From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by dpdk.org (Postfix) with ESMTP id 3CBF65A97 for ; Tue, 12 May 2015 19:07:01 +0200 (CEST) Received: from orsmga002.jf.intel.com ([10.7.209.21]) by fmsmga103.fm.intel.com with ESMTP; 12 May 2015 10:06:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.13,416,1427785200"; d="scan'208";a="727998154" Received: from irvmail001.ir.intel.com ([163.33.26.43]) by orsmga002.jf.intel.com with ESMTP; 12 May 2015 10:06:02 -0700 Received: from sivswdev01.ir.intel.com (sivswdev01.ir.intel.com [10.237.217.45]) by irvmail001.ir.intel.com (8.14.3/8.13.6/MailSET/Hub) with ESMTP id t4CH61LF021138; Tue, 12 May 2015 18:06:01 +0100 Received: from sivswdev01.ir.intel.com (localhost [127.0.0.1]) by sivswdev01.ir.intel.com with ESMTP id t4CH5wUp013660; Tue, 12 May 2015 18:05:58 +0100 Received: (from bricha3@localhost) by sivswdev01.ir.intel.com with id t4CH5uqH013656; Tue, 12 May 2015 18:05:56 +0100 From: Bruce Richardson To: dev@dpdk.org Date: Tue, 12 May 2015 18:05:02 +0100 Message-Id: <1431450315-13179-7-git-send-email-bruce.richardson@intel.com> X-Mailer: git-send-email 1.7.4.1 In-Reply-To: <1431450315-13179-1-git-send-email-bruce.richardson@intel.com> References: <1431012951-6423-1-git-send-email-bruce.richardson@intel.com> <1431450315-13179-1-git-send-email-bruce.richardson@intel.com> X-Mailman-Approved-At: Tue, 12 May 2015 21:24:38 +0200 Subject: [dpdk-dev] [PATCH 06/19] enic: move enic PMD to drivers directory X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: patches and discussions about DPDK List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 12 May 2015 17:07:05 -0000 move enic PMD to drivers directory Signed-off-by: Bruce Richardson --- drivers/Makefile | 2 +- drivers/enic/LICENSE | 27 + drivers/enic/Makefile | 71 ++ drivers/enic/enic.h | 200 +++++ drivers/enic/enic_clsf.c | 259 ++++++ drivers/enic/enic_compat.h | 147 ++++ drivers/enic/enic_ethdev.c | 640 +++++++++++++++ drivers/enic/enic_main.c | 1117 ++++++++++++++++++++++++++ drivers/enic/enic_res.c | 219 +++++ drivers/enic/enic_res.h | 168 ++++ drivers/enic/rte_pmd_enic_version.map | 4 + drivers/enic/vnic/cq_desc.h | 126 +++ drivers/enic/vnic/cq_enet_desc.h | 261 ++++++ drivers/enic/vnic/rq_enet_desc.h | 76 ++ drivers/enic/vnic/vnic_cq.c | 117 +++ drivers/enic/vnic/vnic_cq.h | 151 ++++ drivers/enic/vnic/vnic_dev.c | 1054 ++++++++++++++++++++++++ drivers/enic/vnic/vnic_dev.h | 212 +++++ drivers/enic/vnic/vnic_devcmd.h | 774 ++++++++++++++++++ drivers/enic/vnic/vnic_enet.h | 78 ++ drivers/enic/vnic/vnic_intr.c | 78 ++ drivers/enic/vnic/vnic_intr.h | 126 +++ drivers/enic/vnic/vnic_nic.h | 88 ++ drivers/enic/vnic/vnic_resource.h | 97 +++ drivers/enic/vnic/vnic_rq.c | 245 ++++++ drivers/enic/vnic/vnic_rq.h | 282 +++++++ drivers/enic/vnic/vnic_rss.c | 85 ++ drivers/enic/vnic/vnic_rss.h | 61 ++ drivers/enic/vnic/vnic_stats.h | 86 ++ drivers/enic/vnic/vnic_wq.c | 245 ++++++ drivers/enic/vnic/vnic_wq.h | 283 +++++++ drivers/enic/vnic/wq_enet_desc.h | 114 +++ lib/Makefile | 1 - lib/librte_pmd_enic/LICENSE | 27 - lib/librte_pmd_enic/Makefile | 71 -- lib/librte_pmd_enic/enic.h | 200 ----- lib/librte_pmd_enic/enic_clsf.c | 259 ------ lib/librte_pmd_enic/enic_compat.h | 147 ---- lib/librte_pmd_enic/enic_ethdev.c | 640 --------------- lib/librte_pmd_enic/enic_main.c | 1117 -------------------------- lib/librte_pmd_enic/enic_res.c | 219 ----- lib/librte_pmd_enic/enic_res.h | 168 ---- lib/librte_pmd_enic/rte_pmd_enic_version.map | 4 - lib/librte_pmd_enic/vnic/cq_desc.h | 126 --- lib/librte_pmd_enic/vnic/cq_enet_desc.h | 261 ------ lib/librte_pmd_enic/vnic/rq_enet_desc.h | 76 -- lib/librte_pmd_enic/vnic/vnic_cq.c | 117 --- lib/librte_pmd_enic/vnic/vnic_cq.h | 151 ---- lib/librte_pmd_enic/vnic/vnic_dev.c | 1054 ------------------------ lib/librte_pmd_enic/vnic/vnic_dev.h | 212 ----- lib/librte_pmd_enic/vnic/vnic_devcmd.h | 774 ------------------ lib/librte_pmd_enic/vnic/vnic_enet.h | 78 -- lib/librte_pmd_enic/vnic/vnic_intr.c | 78 -- lib/librte_pmd_enic/vnic/vnic_intr.h | 126 --- lib/librte_pmd_enic/vnic/vnic_nic.h | 88 -- lib/librte_pmd_enic/vnic/vnic_resource.h | 97 --- lib/librte_pmd_enic/vnic/vnic_rq.c | 245 ------ lib/librte_pmd_enic/vnic/vnic_rq.h | 282 ------- lib/librte_pmd_enic/vnic/vnic_rss.c | 85 -- lib/librte_pmd_enic/vnic/vnic_rss.h | 61 -- lib/librte_pmd_enic/vnic/vnic_stats.h | 86 -- lib/librte_pmd_enic/vnic/vnic_wq.c | 245 ------ lib/librte_pmd_enic/vnic/vnic_wq.h | 283 ------- lib/librte_pmd_enic/vnic/wq_enet_desc.h | 114 --- 64 files changed, 7492 insertions(+), 7493 deletions(-) create mode 100644 drivers/enic/LICENSE create mode 100644 drivers/enic/Makefile create mode 100644 drivers/enic/enic.h create mode 100644 drivers/enic/enic_clsf.c create mode 100644 drivers/enic/enic_compat.h create mode 100644 drivers/enic/enic_ethdev.c create mode 100644 drivers/enic/enic_main.c create mode 100644 drivers/enic/enic_res.c create mode 100644 drivers/enic/enic_res.h create mode 100644 drivers/enic/rte_pmd_enic_version.map create mode 100644 drivers/enic/vnic/cq_desc.h create mode 100644 drivers/enic/vnic/cq_enet_desc.h create mode 100644 drivers/enic/vnic/rq_enet_desc.h create mode 100644 drivers/enic/vnic/vnic_cq.c create mode 100644 drivers/enic/vnic/vnic_cq.h create mode 100644 drivers/enic/vnic/vnic_dev.c create mode 100644 drivers/enic/vnic/vnic_dev.h create mode 100644 drivers/enic/vnic/vnic_devcmd.h create mode 100644 drivers/enic/vnic/vnic_enet.h create mode 100644 drivers/enic/vnic/vnic_intr.c create mode 100644 drivers/enic/vnic/vnic_intr.h create mode 100644 drivers/enic/vnic/vnic_nic.h create mode 100644 drivers/enic/vnic/vnic_resource.h create mode 100644 drivers/enic/vnic/vnic_rq.c create mode 100644 drivers/enic/vnic/vnic_rq.h create mode 100644 drivers/enic/vnic/vnic_rss.c create mode 100644 drivers/enic/vnic/vnic_rss.h create mode 100644 drivers/enic/vnic/vnic_stats.h create mode 100644 drivers/enic/vnic/vnic_wq.c create mode 100644 drivers/enic/vnic/vnic_wq.h create mode 100644 drivers/enic/vnic/wq_enet_desc.h delete mode 100644 lib/librte_pmd_enic/LICENSE delete mode 100644 lib/librte_pmd_enic/Makefile delete mode 100644 lib/librte_pmd_enic/enic.h delete mode 100644 lib/librte_pmd_enic/enic_clsf.c delete mode 100644 lib/librte_pmd_enic/enic_compat.h delete mode 100644 lib/librte_pmd_enic/enic_ethdev.c delete mode 100644 lib/librte_pmd_enic/enic_main.c delete mode 100644 lib/librte_pmd_enic/enic_res.c delete mode 100644 lib/librte_pmd_enic/enic_res.h delete mode 100644 lib/librte_pmd_enic/rte_pmd_enic_version.map delete mode 100644 lib/librte_pmd_enic/vnic/cq_desc.h delete mode 100644 lib/librte_pmd_enic/vnic/cq_enet_desc.h delete mode 100644 lib/librte_pmd_enic/vnic/rq_enet_desc.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_cq.c delete mode 100644 lib/librte_pmd_enic/vnic/vnic_cq.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_dev.c delete mode 100644 lib/librte_pmd_enic/vnic/vnic_dev.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_devcmd.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_enet.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_intr.c delete mode 100644 lib/librte_pmd_enic/vnic/vnic_intr.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_nic.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_resource.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_rq.c delete mode 100644 lib/librte_pmd_enic/vnic/vnic_rq.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_rss.c delete mode 100644 lib/librte_pmd_enic/vnic/vnic_rss.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_stats.h delete mode 100644 lib/librte_pmd_enic/vnic/vnic_wq.c delete mode 100644 lib/librte_pmd_enic/vnic/vnic_wq.h delete mode 100644 lib/librte_pmd_enic/vnic/wq_enet_desc.h diff --git a/drivers/Makefile b/drivers/Makefile index a02b47c..5d1a9c3 100644 --- a/drivers/Makefile +++ b/drivers/Makefile @@ -34,11 +34,11 @@ include $(RTE_SDK)/mk/rte.vars.mk DIRS-$(CONFIG_RTE_LIBRTE_PMD_AF_PACKET) += af_packet DIRS-$(CONFIG_RTE_LIBRTE_PMD_BOND) += bonding DIRS-$(CONFIG_RTE_LIBRTE_E1000_PMD) += e1000 +DIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic #DIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += librte_pmd_ixgbe #DIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += librte_pmd_i40e #DIRS-$(CONFIG_RTE_LIBRTE_FM10K_PMD) += librte_pmd_fm10k #DIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += librte_pmd_mlx4 -#DIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += librte_pmd_enic #DIRS-$(CONFIG_RTE_LIBRTE_PMD_RING) += librte_pmd_ring #DIRS-$(CONFIG_RTE_LIBRTE_PMD_PCAP) += librte_pmd_pcap #DIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += librte_pmd_virtio diff --git a/drivers/enic/LICENSE b/drivers/enic/LICENSE new file mode 100644 index 0000000..46a27a4 --- /dev/null +++ b/drivers/enic/LICENSE @@ -0,0 +1,27 @@ + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. diff --git a/drivers/enic/Makefile b/drivers/enic/Makefile new file mode 100644 index 0000000..bfc0994 --- /dev/null +++ b/drivers/enic/Makefile @@ -0,0 +1,71 @@ +# +# Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. +# Copyright 2007 Nuova Systems, Inc. All rights reserved. +# +# Copyright (c) 2014, Cisco Systems, Inc. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. + +include $(RTE_SDK)/mk/rte.vars.mk + +# +# library name +# +LIB = librte_pmd_enic.a + +EXPORT_MAP := rte_pmd_enic_version.map + +LIBABIVER := 1 + +CFLAGS += -I$(SRCDIR)/vnic/ +CFLAGS += -I$(SRCDIR) +CFLAGS += -O3 +CFLAGS += $(WERROR_FLAGS) -Wno-strict-aliasing + +VPATH += $(SRCDIR)/src + +# +# all source are stored in SRCS-y +# +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic_ethdev.c +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic_main.c +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic_clsf.c +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic_res.c +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_cq.c +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_wq.c +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_dev.c +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_intr.c +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_rq.c +SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_rss.c + +# this lib depends upon: +DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_eal lib/librte_ether +DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_mempool lib/librte_mbuf +DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_net lib/librte_malloc +DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_hash + +include $(RTE_SDK)/mk/rte.lib.mk diff --git a/drivers/enic/enic.h b/drivers/enic/enic.h new file mode 100644 index 0000000..1417b0c --- /dev/null +++ b/drivers/enic/enic.h @@ -0,0 +1,200 @@ +/* + * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id$" + +#ifndef _ENIC_H_ +#define _ENIC_H_ + +#include "vnic_enet.h" +#include "vnic_dev.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_cq.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "vnic_nic.h" +#include "vnic_rss.h" +#include "enic_res.h" + +#define DRV_NAME "enic_pmd" +#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver" +#define DRV_VERSION "1.0.0.5" +#define DRV_COPYRIGHT "Copyright 2008-2015 Cisco Systems, Inc" + +#define ENIC_WQ_MAX 8 +#define ENIC_RQ_MAX 8 +#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX) +#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2) + +#define VLAN_ETH_HLEN 18 + +#define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0) + +#define ENICPMD_BDF_LENGTH 13 /* 0000:00:00.0'\0' */ +#define PKT_TX_TCP_UDP_CKSUM 0x6000 +#define ENIC_CALC_IP_CKSUM 1 +#define ENIC_CALC_TCP_UDP_CKSUM 2 +#define ENIC_MAX_MTU 9000 +#define ENIC_PAGE_SIZE 4096 +#define PAGE_ROUND_UP(x) \ + ((((unsigned long)(x)) + ENIC_PAGE_SIZE-1) & (~(ENIC_PAGE_SIZE-1))) + +#define ENICPMD_VFIO_PATH "/dev/vfio/vfio" +/*#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)*/ + +#define PCI_DEVICE_ID_CISCO_VIC_ENET 0x0043 /* ethernet vnic */ +#define PCI_DEVICE_ID_CISCO_VIC_ENET_VF 0x0071 /* enet SRIOV VF */ + + +#define ENICPMD_FDIR_MAX 64 + +struct enic_fdir_node { + struct rte_eth_fdir_filter filter; + u16 fltr_id; + u16 rq_index; +}; + +struct enic_fdir { + struct rte_eth_fdir_stats stats; + struct rte_hash *hash; + struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX]; +}; + +/* Per-instance private data structure */ +struct enic { + struct enic *next; + struct rte_pci_device *pdev; + struct vnic_enet_config config; + struct vnic_dev_bar bar0; + struct vnic_dev *vdev; + + unsigned int port_id; + struct rte_eth_dev *rte_dev; + struct enic_fdir fdir; + char bdf_name[ENICPMD_BDF_LENGTH]; + int dev_fd; + int iommu_group_fd; + int iommu_groupid; + int eventfd; + uint8_t mac_addr[ETH_ALEN]; + pthread_t err_intr_thread; + int promisc; + int allmulti; + u8 ig_vlan_strip_en; + int link_status; + u8 hw_ip_checksum; + + unsigned int flags; + unsigned int priv_flags; + + /* work queue */ + struct vnic_wq wq[ENIC_WQ_MAX]; + unsigned int wq_count; + + /* receive queue */ + struct vnic_rq rq[ENIC_RQ_MAX]; + unsigned int rq_count; + + /* completion queue */ + struct vnic_cq cq[ENIC_CQ_MAX]; + unsigned int cq_count; + + /* interrupt resource */ + struct vnic_intr intr; + unsigned int intr_count; +}; + +static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq) +{ + return rq; +} + +static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq) +{ + return enic->rq_count + wq; +} + +static inline unsigned int enic_msix_err_intr(__rte_unused struct enic *enic) +{ + return 0; +} + +static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev) +{ + return (struct enic *)eth_dev->data->dev_private; +} + +extern void enic_fdir_stats_get(struct enic *enic, + struct rte_eth_fdir_stats *stats); +extern int enic_fdir_add_fltr(struct enic *enic, + struct rte_eth_fdir_filter *params); +extern int enic_fdir_del_fltr(struct enic *enic, + struct rte_eth_fdir_filter *params); +extern void enic_free_wq(void *txq); +extern int enic_alloc_intr_resources(struct enic *enic); +extern int enic_setup_finish(struct enic *enic); +extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx, + unsigned int socket_id, uint16_t nb_desc); +extern void enic_start_wq(struct enic *enic, uint16_t queue_idx); +extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx); +extern void enic_start_rq(struct enic *enic, uint16_t queue_idx); +extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx); +extern void enic_free_rq(void *rxq); +extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx, + unsigned int socket_id, struct rte_mempool *mp, + uint16_t nb_desc); +extern int enic_set_rss_nic_cfg(struct enic *enic); +extern int enic_set_vnic_res(struct enic *enic); +extern void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size); +extern int enic_enable(struct enic *enic); +extern int enic_disable(struct enic *enic); +extern void enic_remove(struct enic *enic); +extern int enic_get_link_status(struct enic *enic); +extern void enic_dev_stats_get(struct enic *enic, + struct rte_eth_stats *r_stats); +extern void enic_dev_stats_clear(struct enic *enic); +extern void enic_add_packet_filter(struct enic *enic); +extern void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr); +extern void enic_del_mac_address(struct enic *enic); +extern unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq); +extern int enic_send_pkt(struct enic *enic, struct vnic_wq *wq, + struct rte_mbuf *tx_pkt, unsigned short len, + uint8_t sop, uint8_t eop, + uint16_t ol_flags, uint16_t vlan_tag); +extern int enic_poll(struct vnic_rq *rq, struct rte_mbuf **rx_pkts, + unsigned int budget, unsigned int *work_done); +extern int enic_probe(struct enic *enic); +extern int enic_clsf_init(struct enic *enic); +extern void enic_clsf_destroy(struct enic *enic); +#endif /* _ENIC_H_ */ diff --git a/drivers/enic/enic_clsf.c b/drivers/enic/enic_clsf.c new file mode 100644 index 0000000..ca12d2d --- /dev/null +++ b/drivers/enic/enic_clsf.c @@ -0,0 +1,259 @@ +/* + * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id$" + +#include + +#include +#include +#include +#include + +#include "enic_compat.h" +#include "enic.h" +#include "wq_enet_desc.h" +#include "rq_enet_desc.h" +#include "cq_enet_desc.h" +#include "vnic_enet.h" +#include "vnic_dev.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_cq.h" +#include "vnic_intr.h" +#include "vnic_nic.h" + +#ifdef RTE_MACHINE_CPUFLAG_SSE4_2 +#include +#define DEFAULT_HASH_FUNC rte_hash_crc +#else +#include +#define DEFAULT_HASH_FUNC rte_jhash +#endif + +#define SOCKET_0 0 +#define ENICPMD_CLSF_HASH_ENTRIES ENICPMD_FDIR_MAX +#define ENICPMD_CLSF_BUCKET_ENTRIES 4 + +void enic_fdir_stats_get(struct enic *enic, struct rte_eth_fdir_stats *stats) +{ + *stats = enic->fdir.stats; +} + +int enic_fdir_del_fltr(struct enic *enic, struct rte_eth_fdir_filter *params) +{ + int32_t pos; + struct enic_fdir_node *key; + /* See if the key is in the table */ + pos = rte_hash_del_key(enic->fdir.hash, params); + switch (pos) { + case -EINVAL: + case -ENOENT: + enic->fdir.stats.f_remove++; + return -EINVAL; + default: + /* The entry is present in the table */ + key = enic->fdir.nodes[pos]; + + /* Delete the filter */ + vnic_dev_classifier(enic->vdev, CLSF_DEL, + &key->fltr_id, NULL); + rte_free(key); + enic->fdir.nodes[pos] = NULL; + enic->fdir.stats.free++; + enic->fdir.stats.remove++; + break; + } + return 0; +} + +int enic_fdir_add_fltr(struct enic *enic, struct rte_eth_fdir_filter *params) +{ + struct enic_fdir_node *key; + struct filter fltr = {0}; + int32_t pos; + u8 do_free = 0; + u16 old_fltr_id = 0; + u32 flowtype_supported; + u16 flex_bytes; + u16 queue; + + flowtype_supported = ( + (RTE_ETH_FLOW_NONFRAG_IPV4_TCP == params->input.flow_type) || + (RTE_ETH_FLOW_NONFRAG_IPV4_UDP == params->input.flow_type)); + + flex_bytes = ((params->input.flow_ext.flexbytes[1] << 8 & 0xFF00) | + (params->input.flow_ext.flexbytes[0] & 0xFF)); + + if (!enic->fdir.hash || + (params->input.flow_ext.vlan_tci & 0xFFF) || + !flowtype_supported || flex_bytes || + params->action.behavior /* drop */) { + enic->fdir.stats.f_add++; + return -ENOTSUP; + } + + queue = params->action.rx_queue; + /* See if the key is already there in the table */ + pos = rte_hash_del_key(enic->fdir.hash, params); + switch (pos) { + case -EINVAL: + enic->fdir.stats.f_add++; + return -EINVAL; + case -ENOENT: + /* Add a new classifier entry */ + if (!enic->fdir.stats.free) { + enic->fdir.stats.f_add++; + return -ENOSPC; + } + key = rte_zmalloc("enic_fdir_node", + sizeof(struct enic_fdir_node), 0); + if (!key) { + enic->fdir.stats.f_add++; + return -ENOMEM; + } + break; + default: + /* The entry is already present in the table. + * Check if there is a change in queue + */ + key = enic->fdir.nodes[pos]; + enic->fdir.nodes[pos] = NULL; + if (unlikely(key->rq_index == queue)) { + /* Nothing to be done */ + pos = rte_hash_add_key(enic->fdir.hash, params); + enic->fdir.nodes[pos] = key; + enic->fdir.stats.f_add++; + dev_warning(enic, + "FDIR rule is already present\n"); + return 0; + } + + if (likely(enic->fdir.stats.free)) { + /* Add the filter and then delete the old one. + * This is to avoid packets from going into the + * default queue during the window between + * delete and add + */ + do_free = 1; + old_fltr_id = key->fltr_id; + } else { + /* No free slots in the classifier. + * Delete the filter and add the modified one later + */ + vnic_dev_classifier(enic->vdev, CLSF_DEL, + &key->fltr_id, NULL); + enic->fdir.stats.free++; + } + + break; + } + + key->filter = *params; + key->rq_index = queue; + + fltr.type = FILTER_IPV4_5TUPLE; + fltr.u.ipv4.src_addr = rte_be_to_cpu_32( + params->input.flow.ip4_flow.src_ip); + fltr.u.ipv4.dst_addr = rte_be_to_cpu_32( + params->input.flow.ip4_flow.dst_ip); + fltr.u.ipv4.src_port = rte_be_to_cpu_16( + params->input.flow.udp4_flow.src_port); + fltr.u.ipv4.dst_port = rte_be_to_cpu_16( + params->input.flow.udp4_flow.dst_port); + + if (RTE_ETH_FLOW_NONFRAG_IPV4_TCP == params->input.flow_type) + fltr.u.ipv4.protocol = PROTO_TCP; + else + fltr.u.ipv4.protocol = PROTO_UDP; + + fltr.u.ipv4.flags = FILTER_FIELDS_IPV4_5TUPLE; + + if (!vnic_dev_classifier(enic->vdev, CLSF_ADD, &queue, &fltr)) { + key->fltr_id = queue; + } else { + dev_err(enic, "Add classifier entry failed\n"); + enic->fdir.stats.f_add++; + rte_free(key); + return -1; + } + + if (do_free) + vnic_dev_classifier(enic->vdev, CLSF_DEL, &old_fltr_id, NULL); + else{ + enic->fdir.stats.free--; + enic->fdir.stats.add++; + } + + pos = rte_hash_add_key(enic->fdir.hash, (void *)key); + enic->fdir.nodes[pos] = key; + return 0; +} + +void enic_clsf_destroy(struct enic *enic) +{ + u32 index; + struct enic_fdir_node *key; + /* delete classifier entries */ + for (index = 0; index < ENICPMD_FDIR_MAX; index++) { + key = enic->fdir.nodes[index]; + if (key) { + vnic_dev_classifier(enic->vdev, CLSF_DEL, + &key->fltr_id, NULL); + rte_free(key); + } + } + + if (enic->fdir.hash) { + rte_hash_free(enic->fdir.hash); + enic->fdir.hash = NULL; + } +} + +int enic_clsf_init(struct enic *enic) +{ + struct rte_hash_parameters hash_params = { + .name = "enicpmd_clsf_hash", + .entries = ENICPMD_CLSF_HASH_ENTRIES, + .bucket_entries = ENICPMD_CLSF_BUCKET_ENTRIES, + .key_len = RTE_HASH_KEY_LENGTH_MAX, + .hash_func = DEFAULT_HASH_FUNC, + .hash_func_init_val = 0, + .socket_id = SOCKET_0, + }; + + enic->fdir.hash = rte_hash_create(&hash_params); + memset(&enic->fdir.stats, 0, sizeof(enic->fdir.stats)); + enic->fdir.stats.free = ENICPMD_FDIR_MAX; + return (NULL == enic->fdir.hash); +} diff --git a/drivers/enic/enic_compat.h b/drivers/enic/enic_compat.h new file mode 100644 index 0000000..f3598ed --- /dev/null +++ b/drivers/enic/enic_compat.h @@ -0,0 +1,147 @@ +/* + * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id$" + +#ifndef _ENIC_COMPAT_H_ +#define _ENIC_COMPAT_H_ + +#include +#include + +#include +#include +#include + +#define ENIC_PAGE_ALIGN 4096UL +#define ENIC_ALIGN ENIC_PAGE_ALIGN +#define NAME_MAX 255 +#define ETH_ALEN 6 + +#define __iomem + +#define rmb() rte_rmb() /* dpdk rte provided rmb */ +#define wmb() rte_wmb() /* dpdk rte provided wmb */ + +#define le16_to_cpu +#define le32_to_cpu +#define le64_to_cpu +#define cpu_to_le16 +#define cpu_to_le32 +#define cpu_to_le64 + +#ifndef offsetof +#define offsetof(t, m) ((size_t) &((t *)0)->m) +#endif + +#define pr_err(y, args...) dev_err(0, y, ##args) +#define pr_warn(y, args...) dev_warning(0, y, ##args) +#define BUG() pr_err("BUG at %s:%d", __func__, __LINE__) + +#define VNIC_ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a)-1) +#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask)) +#define udelay usleep +#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) + +#define kzalloc(size, flags) calloc(1, size) +#define kfree(x) free(x) + +#define dev_printk(level, fmt, args...) \ + RTE_LOG(level, PMD, "rte_enic_pmd: " fmt, ## args) + +#define dev_err(x, args...) dev_printk(ERR, args) +#define dev_info(x, args...) dev_printk(INFO, args) +#define dev_warning(x, args...) dev_printk(WARNING, args) +#define dev_debug(x, args...) dev_printk(DEBUG, args) + +#define __le16 u16 +#define __le32 u32 +#define __le64 u64 + +typedef unsigned char u8; +typedef unsigned short u16; +typedef unsigned int u32; +typedef unsigned long long u64; +typedef unsigned long long dma_addr_t; + +static inline uint32_t ioread32(volatile void *addr) +{ + return *(volatile uint32_t *)addr; +} + +static inline uint16_t ioread16(volatile void *addr) +{ + return *(volatile uint16_t *)addr; +} + +static inline uint8_t ioread8(volatile void *addr) +{ + return *(volatile uint8_t *)addr; +} + +static inline void iowrite32(uint32_t val, volatile void *addr) +{ + *(volatile uint32_t *)addr = val; +} + +static inline void iowrite16(uint16_t val, volatile void *addr) +{ + *(volatile uint16_t *)addr = val; +} + +static inline void iowrite8(uint8_t val, volatile void *addr) +{ + *(volatile uint8_t *)addr = val; +} + +static inline unsigned int readl(volatile void __iomem *addr) +{ + return *(volatile unsigned int *)addr; +} + +static inline void writel(unsigned int val, volatile void __iomem *addr) +{ + *(volatile unsigned int *)addr = val; +} + +#define min_t(type, x, y) ({ \ + type __min1 = (x); \ + type __min2 = (y); \ + __min1 < __min2 ? __min1 : __min2; }) + +#define max_t(type, x, y) ({ \ + type __max1 = (x); \ + type __max2 = (y); \ + __max1 > __max2 ? __max1 : __max2; }) + +#endif /* _ENIC_COMPAT_H_ */ diff --git a/drivers/enic/enic_ethdev.c b/drivers/enic/enic_ethdev.c new file mode 100644 index 0000000..69ad01b --- /dev/null +++ b/drivers/enic/enic_ethdev.c @@ -0,0 +1,640 @@ +/* + * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id$" + +#include +#include + +#include +#include +#include +#include + +#include "vnic_intr.h" +#include "vnic_cq.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_enet.h" +#include "enic.h" + +#ifdef RTE_LIBRTE_ENIC_DEBUG +#define ENICPMD_FUNC_TRACE() \ + RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__) +#else +#define ENICPMD_FUNC_TRACE() (void)0 +#endif + +/* + * The set of PCI devices this driver supports + */ +static const struct rte_pci_id pci_id_enic_map[] = { +#define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)}, +#ifndef PCI_VENDOR_ID_CISCO +#define PCI_VENDOR_ID_CISCO 0x1137 +#endif +#include "rte_pci_dev_ids.h" +RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET) +RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) +{.vendor_id = 0, /* Sentinal */}, +}; + +static int +enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev, + enum rte_filter_op filter_op, void *arg) +{ + struct enic *enic = pmd_priv(eth_dev); + int ret = 0; + + ENICPMD_FUNC_TRACE(); + if (filter_op == RTE_ETH_FILTER_NOP) + return 0; + + if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH) + return -EINVAL; + + switch (filter_op) { + case RTE_ETH_FILTER_ADD: + case RTE_ETH_FILTER_UPDATE: + ret = enic_fdir_add_fltr(enic, + (struct rte_eth_fdir_filter *)arg); + break; + + case RTE_ETH_FILTER_DELETE: + ret = enic_fdir_del_fltr(enic, + (struct rte_eth_fdir_filter *)arg); + break; + + case RTE_ETH_FILTER_STATS: + enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg); + break; + + case RTE_ETH_FILTER_FLUSH: + case RTE_ETH_FILTER_INFO: + dev_warning(enic, "unsupported operation %u", filter_op); + ret = -ENOTSUP; + break; + default: + dev_err(enic, "unknown operation %u", filter_op); + ret = -EINVAL; + break; + } + return ret; +} + +static int +enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev, + enum rte_filter_type filter_type, + enum rte_filter_op filter_op, + void *arg) +{ + int ret = -EINVAL; + + if (RTE_ETH_FILTER_FDIR == filter_type) + ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg); + else + dev_warning(enic, "Filter type (%d) not supported", + filter_type); + + return ret; +} + +static void enicpmd_dev_tx_queue_release(void *txq) +{ + ENICPMD_FUNC_TRACE(); + enic_free_wq(txq); +} + +static int enicpmd_dev_setup_intr(struct enic *enic) +{ + int ret; + unsigned int index; + + ENICPMD_FUNC_TRACE(); + + /* Are we done with the init of all the queues? */ + for (index = 0; index < enic->cq_count; index++) { + if (!enic->cq[index].ctrl) + break; + } + + if (enic->cq_count != index) + return 0; + + ret = enic_alloc_intr_resources(enic); + if (ret) { + dev_err(enic, "alloc intr failed\n"); + return ret; + } + enic_init_vnic_resources(enic); + + ret = enic_setup_finish(enic); + if (ret) + dev_err(enic, "setup could not be finished\n"); + + return ret; +} + +static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, + uint16_t queue_idx, + uint16_t nb_desc, + unsigned int socket_id, + __rte_unused const struct rte_eth_txconf *tx_conf) +{ + int ret; + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx]; + + ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc); + if (ret) { + dev_err(enic, "error in allocating wq\n"); + return ret; + } + + return enicpmd_dev_setup_intr(enic); +} + +static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev, + uint16_t queue_idx) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + + enic_start_wq(enic, queue_idx); + + return 0; +} + +static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, + uint16_t queue_idx) +{ + int ret; + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + + ret = enic_stop_wq(enic, queue_idx); + if (ret) + dev_err(enic, "error in stopping wq %d\n", queue_idx); + + return ret; +} + +static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev, + uint16_t queue_idx) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + + enic_start_rq(enic, queue_idx); + + return 0; +} + +static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, + uint16_t queue_idx) +{ + int ret; + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + + ret = enic_stop_rq(enic, queue_idx); + if (ret) + dev_err(enic, "error in stopping rq %d\n", queue_idx); + + return ret; +} + +static void enicpmd_dev_rx_queue_release(void *rxq) +{ + ENICPMD_FUNC_TRACE(); + enic_free_rq(rxq); +} + +static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, + uint16_t queue_idx, + uint16_t nb_desc, + unsigned int socket_id, + __rte_unused const struct rte_eth_rxconf *rx_conf, + struct rte_mempool *mp) +{ + int ret; + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx]; + + ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc); + if (ret) { + dev_err(enic, "error in allocating rq\n"); + return ret; + } + + return enicpmd_dev_setup_intr(enic); +} + +static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev, + uint16_t vlan_id, int on) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + if (on) + enic_add_vlan(enic, vlan_id); + else + enic_del_vlan(enic, vlan_id); + return 0; +} + +static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + + if (mask & ETH_VLAN_STRIP_MASK) { + if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip) + enic->ig_vlan_strip_en = 1; + else + enic->ig_vlan_strip_en = 0; + } + enic_set_rss_nic_cfg(enic); + + + if (mask & ETH_VLAN_FILTER_MASK) { + dev_warning(enic, + "Configuration of VLAN filter is not supported\n"); + } + + if (mask & ETH_VLAN_EXTEND_MASK) { + dev_warning(enic, + "Configuration of extended VLAN is not supported\n"); + } +} + +static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev) +{ + int ret; + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + ret = enic_set_vnic_res(enic); + if (ret) { + dev_err(enic, "Set vNIC resource num failed, aborting\n"); + return ret; + } + + if (eth_dev->data->dev_conf.rxmode.split_hdr_size && + eth_dev->data->dev_conf.rxmode.header_split) { + /* Enable header-data-split */ + enic_set_hdr_split_size(enic, + eth_dev->data->dev_conf.rxmode.split_hdr_size); + } + + enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum; + return 0; +} + +/* Start the device. + * It returns 0 on success. + */ +static int enicpmd_dev_start(struct rte_eth_dev *eth_dev) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + return enic_enable(enic); +} + +/* + * Stop device: disable rx and tx functions to allow for reconfiguring. + */ +static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev) +{ + struct rte_eth_link link; + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic_disable(enic); + memset(&link, 0, sizeof(link)); + rte_atomic64_cmpset((uint64_t *)ð_dev->data->dev_link, + *(uint64_t *)ð_dev->data->dev_link, + *(uint64_t *)&link); +} + +/* + * Stop device. + */ +static void enicpmd_dev_close(struct rte_eth_dev *eth_dev) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic_remove(enic); +} + +static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev, + __rte_unused int wait_to_complete) +{ + struct enic *enic = pmd_priv(eth_dev); + int ret; + int link_status = 0; + + ENICPMD_FUNC_TRACE(); + link_status = enic_get_link_status(enic); + ret = (link_status == enic->link_status); + enic->link_status = link_status; + eth_dev->data->dev_link.link_status = link_status; + eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX; + eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev); + return ret; +} + +static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev, + struct rte_eth_stats *stats) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic_dev_stats_get(enic, stats); +} + +static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic_dev_stats_clear(enic); +} + +static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev, + struct rte_eth_dev_info *device_info) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + device_info->max_rx_queues = enic->rq_count; + device_info->max_tx_queues = enic->wq_count; + device_info->min_rx_bufsize = ENIC_MIN_MTU; + device_info->max_rx_pktlen = enic->config.mtu; + device_info->max_mac_addrs = 1; + device_info->rx_offload_capa = + DEV_RX_OFFLOAD_VLAN_STRIP | + DEV_RX_OFFLOAD_IPV4_CKSUM | + DEV_RX_OFFLOAD_UDP_CKSUM | + DEV_RX_OFFLOAD_TCP_CKSUM; + device_info->tx_offload_capa = + DEV_TX_OFFLOAD_VLAN_INSERT | + DEV_TX_OFFLOAD_IPV4_CKSUM | + DEV_TX_OFFLOAD_UDP_CKSUM | + DEV_TX_OFFLOAD_TCP_CKSUM; +} + +static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic->promisc = 1; + enic_add_packet_filter(enic); +} + +static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic->promisc = 0; + enic_add_packet_filter(enic); +} + +static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic->allmulti = 1; + enic_add_packet_filter(enic); +} + +static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic->allmulti = 0; + enic_add_packet_filter(enic); +} + +static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev, + struct ether_addr *mac_addr, + __rte_unused uint32_t index, __rte_unused uint32_t pool) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic_set_mac_address(enic, mac_addr->addr_bytes); +} + +static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index) +{ + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + enic_del_mac_address(enic); +} + + +static uint16_t enicpmd_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, + uint16_t nb_pkts) +{ + unsigned int index; + unsigned int frags; + unsigned int pkt_len; + unsigned int seg_len; + unsigned int inc_len; + unsigned int nb_segs; + struct rte_mbuf *tx_pkt; + struct vnic_wq *wq = (struct vnic_wq *)tx_queue; + struct enic *enic = vnic_dev_priv(wq->vdev); + unsigned short vlan_id; + unsigned short ol_flags; + + for (index = 0; index < nb_pkts; index++) { + tx_pkt = *tx_pkts++; + inc_len = 0; + nb_segs = tx_pkt->nb_segs; + if (nb_segs > vnic_wq_desc_avail(wq)) { + /* wq cleanup and try again */ + if (!enic_cleanup_wq(enic, wq) || + (nb_segs > vnic_wq_desc_avail(wq))) + return index; + } + pkt_len = tx_pkt->pkt_len; + vlan_id = tx_pkt->vlan_tci; + ol_flags = tx_pkt->ol_flags; + for (frags = 0; inc_len < pkt_len; frags++) { + if (!tx_pkt) + break; + seg_len = tx_pkt->data_len; + inc_len += seg_len; + if (enic_send_pkt(enic, wq, tx_pkt, + (unsigned short)seg_len, !frags, + (pkt_len == inc_len), ol_flags, vlan_id)) { + break; + } + tx_pkt = tx_pkt->next; + } + } + + enic_cleanup_wq(enic, wq); + return index; +} + +static uint16_t enicpmd_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, + uint16_t nb_pkts) +{ + struct vnic_rq *rq = (struct vnic_rq *)rx_queue; + unsigned int work_done; + + if (enic_poll(rq, rx_pkts, (unsigned int)nb_pkts, &work_done)) + dev_err(enic, "error in enicpmd poll\n"); + + return work_done; +} + +static const struct eth_dev_ops enicpmd_eth_dev_ops = { + .dev_configure = enicpmd_dev_configure, + .dev_start = enicpmd_dev_start, + .dev_stop = enicpmd_dev_stop, + .dev_set_link_up = NULL, + .dev_set_link_down = NULL, + .dev_close = enicpmd_dev_close, + .promiscuous_enable = enicpmd_dev_promiscuous_enable, + .promiscuous_disable = enicpmd_dev_promiscuous_disable, + .allmulticast_enable = enicpmd_dev_allmulticast_enable, + .allmulticast_disable = enicpmd_dev_allmulticast_disable, + .link_update = enicpmd_dev_link_update, + .stats_get = enicpmd_dev_stats_get, + .stats_reset = enicpmd_dev_stats_reset, + .queue_stats_mapping_set = NULL, + .dev_infos_get = enicpmd_dev_info_get, + .mtu_set = NULL, + .vlan_filter_set = enicpmd_vlan_filter_set, + .vlan_tpid_set = NULL, + .vlan_offload_set = enicpmd_vlan_offload_set, + .vlan_strip_queue_set = NULL, + .rx_queue_start = enicpmd_dev_rx_queue_start, + .rx_queue_stop = enicpmd_dev_rx_queue_stop, + .tx_queue_start = enicpmd_dev_tx_queue_start, + .tx_queue_stop = enicpmd_dev_tx_queue_stop, + .rx_queue_setup = enicpmd_dev_rx_queue_setup, + .rx_queue_release = enicpmd_dev_rx_queue_release, + .rx_queue_count = NULL, + .rx_descriptor_done = NULL, + .tx_queue_setup = enicpmd_dev_tx_queue_setup, + .tx_queue_release = enicpmd_dev_tx_queue_release, + .dev_led_on = NULL, + .dev_led_off = NULL, + .flow_ctrl_get = NULL, + .flow_ctrl_set = NULL, + .priority_flow_ctrl_set = NULL, + .mac_addr_add = enicpmd_add_mac_addr, + .mac_addr_remove = enicpmd_remove_mac_addr, + .fdir_set_masks = NULL, + .filter_ctrl = enicpmd_dev_filter_ctrl, +}; + +struct enic *enicpmd_list_head = NULL; +/* Initialize the driver + * It returns 0 on success. + */ +static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev) +{ + struct rte_pci_device *pdev; + struct rte_pci_addr *addr; + struct enic *enic = pmd_priv(eth_dev); + + ENICPMD_FUNC_TRACE(); + + enic->port_id = eth_dev->data->port_id; + enic->rte_dev = eth_dev; + eth_dev->dev_ops = &enicpmd_eth_dev_ops; + eth_dev->rx_pkt_burst = &enicpmd_recv_pkts; + eth_dev->tx_pkt_burst = &enicpmd_xmit_pkts; + + pdev = eth_dev->pci_dev; + enic->pdev = pdev; + addr = &pdev->addr; + + snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x", + addr->domain, addr->bus, addr->devid, addr->function); + + return enic_probe(enic); +} + +static struct eth_driver rte_enic_pmd = { + { + .name = "rte_enic_pmd", + .id_table = pci_id_enic_map, + .drv_flags = RTE_PCI_DRV_NEED_MAPPING, + }, + .eth_dev_init = eth_enicpmd_dev_init, + .dev_private_size = sizeof(struct enic), +}; + +/* Driver initialization routine. + * Invoked once at EAL init time. + * Register as the [Poll Mode] Driver of Cisco ENIC device. + */ +static int +rte_enic_pmd_init(const char *name __rte_unused, + const char *params __rte_unused) +{ + ENICPMD_FUNC_TRACE(); + + rte_eth_driver_register(&rte_enic_pmd); + return 0; +} + +static struct rte_driver rte_enic_driver = { + .type = PMD_PDEV, + .init = rte_enic_pmd_init, +}; + +PMD_REGISTER_DRIVER(rte_enic_driver); diff --git a/drivers/enic/enic_main.c b/drivers/enic/enic_main.c new file mode 100644 index 0000000..15313c2 --- /dev/null +++ b/drivers/enic/enic_main.c @@ -0,0 +1,1117 @@ +/* + * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id$" + +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#include "enic_compat.h" +#include "enic.h" +#include "wq_enet_desc.h" +#include "rq_enet_desc.h" +#include "cq_enet_desc.h" +#include "vnic_enet.h" +#include "vnic_dev.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_cq.h" +#include "vnic_intr.h" +#include "vnic_nic.h" + +static inline int enic_is_sriov_vf(struct enic *enic) +{ + return enic->pdev->id.device_id == PCI_DEVICE_ID_CISCO_VIC_ENET_VF; +} + +static int is_zero_addr(uint8_t *addr) +{ + return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]); +} + +static int is_mcast_addr(uint8_t *addr) +{ + return addr[0] & 1; +} + +static int is_eth_addr_valid(uint8_t *addr) +{ + return !is_mcast_addr(addr) && !is_zero_addr(addr); +} + +static inline struct rte_mbuf * +enic_rxmbuf_alloc(struct rte_mempool *mp) +{ + struct rte_mbuf *m; + + m = __rte_mbuf_raw_alloc(mp); + __rte_mbuf_sanity_check_raw(m, 0); + return m; +} + +void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size) +{ + vnic_set_hdr_split_size(enic->vdev, split_hdr_size); +} + +static void enic_free_wq_buf(__rte_unused struct vnic_wq *wq, struct vnic_wq_buf *buf) +{ + struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->os_buf; + + rte_mempool_put(mbuf->pool, mbuf); + buf->os_buf = NULL; +} + +static void enic_wq_free_buf(struct vnic_wq *wq, + __rte_unused struct cq_desc *cq_desc, + struct vnic_wq_buf *buf, + __rte_unused void *opaque) +{ + enic_free_wq_buf(wq, buf); +} + +static int enic_wq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc, + __rte_unused u8 type, u16 q_number, u16 completed_index, void *opaque) +{ + struct enic *enic = vnic_dev_priv(vdev); + + vnic_wq_service(&enic->wq[q_number], cq_desc, + completed_index, enic_wq_free_buf, + opaque); + + return 0; +} + +static void enic_log_q_error(struct enic *enic) +{ + unsigned int i; + u32 error_status; + + for (i = 0; i < enic->wq_count; i++) { + error_status = vnic_wq_error_status(&enic->wq[i]); + if (error_status) + dev_err(enic, "WQ[%d] error_status %d\n", i, + error_status); + } + + for (i = 0; i < enic->rq_count; i++) { + error_status = vnic_rq_error_status(&enic->rq[i]); + if (error_status) + dev_err(enic, "RQ[%d] error_status %d\n", i, + error_status); + } +} + +unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq) +{ + unsigned int cq = enic_cq_wq(enic, wq->index); + + /* Return the work done */ + return vnic_cq_service(&enic->cq[cq], + -1 /*wq_work_to_do*/, enic_wq_service, NULL); +} + + +int enic_send_pkt(struct enic *enic, struct vnic_wq *wq, + struct rte_mbuf *tx_pkt, unsigned short len, + uint8_t sop, uint8_t eop, + uint16_t ol_flags, uint16_t vlan_tag) +{ + struct wq_enet_desc *desc = vnic_wq_next_desc(wq); + uint16_t mss = 0; + uint8_t cq_entry = eop; + uint8_t vlan_tag_insert = 0; + uint64_t bus_addr = (dma_addr_t) + (tx_pkt->buf_physaddr + RTE_PKTMBUF_HEADROOM); + + if (sop) { + if (ol_flags & PKT_TX_VLAN_PKT) + vlan_tag_insert = 1; + + if (enic->hw_ip_checksum) { + if (ol_flags & PKT_TX_IP_CKSUM) + mss |= ENIC_CALC_IP_CKSUM; + + if (ol_flags & PKT_TX_TCP_UDP_CKSUM) + mss |= ENIC_CALC_TCP_UDP_CKSUM; + } + } + + wq_enet_desc_enc(desc, + bus_addr, + len, + mss, + 0 /* header_length */, + 0 /* offload_mode WQ_ENET_OFFLOAD_MODE_CSUM */, + eop, + cq_entry, + 0 /* fcoe_encap */, + vlan_tag_insert, + vlan_tag, + 0 /* loopback */); + + vnic_wq_post(wq, (void *)tx_pkt, bus_addr, len, + sop, eop, + 1 /*desc_skip_cnt*/, + cq_entry, + 0 /*compressed send*/, + 0 /*wrid*/); + + return 0; +} + +void enic_dev_stats_clear(struct enic *enic) +{ + if (vnic_dev_stats_clear(enic->vdev)) + dev_err(enic, "Error in clearing stats\n"); +} + +void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats) +{ + struct vnic_stats *stats; + + if (vnic_dev_stats_dump(enic->vdev, &stats)) { + dev_err(enic, "Error in getting stats\n"); + return; + } + + r_stats->ipackets = stats->rx.rx_frames_ok; + r_stats->opackets = stats->tx.tx_frames_ok; + + r_stats->ibytes = stats->rx.rx_bytes_ok; + r_stats->obytes = stats->tx.tx_bytes_ok; + + r_stats->ierrors = stats->rx.rx_errors; + r_stats->oerrors = stats->tx.tx_errors; + + r_stats->imcasts = stats->rx.rx_multicast_frames_ok; + r_stats->rx_nombuf = stats->rx.rx_no_bufs; +} + +void enic_del_mac_address(struct enic *enic) +{ + if (vnic_dev_del_addr(enic->vdev, enic->mac_addr)) + dev_err(enic, "del mac addr failed\n"); +} + +void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr) +{ + int err; + + if (!is_eth_addr_valid(mac_addr)) { + dev_err(enic, "invalid mac address\n"); + return; + } + + err = vnic_dev_del_addr(enic->vdev, mac_addr); + if (err) { + dev_err(enic, "del mac addr failed\n"); + return; + } + + ether_addr_copy((struct ether_addr *)mac_addr, + (struct ether_addr *)enic->mac_addr); + + err = vnic_dev_add_addr(enic->vdev, mac_addr); + if (err) { + dev_err(enic, "add mac addr failed\n"); + return; + } +} + +static void +enic_free_rq_buf(__rte_unused struct vnic_rq *rq, struct vnic_rq_buf *buf) +{ + if (!buf->os_buf) + return; + + rte_pktmbuf_free((struct rte_mbuf *)buf->os_buf); + buf->os_buf = NULL; +} + +void enic_init_vnic_resources(struct enic *enic) +{ + unsigned int error_interrupt_enable = 1; + unsigned int error_interrupt_offset = 0; + unsigned int index = 0; + + for (index = 0; index < enic->rq_count; index++) { + vnic_rq_init(&enic->rq[index], + enic_cq_rq(enic, index), + error_interrupt_enable, + error_interrupt_offset); + } + + for (index = 0; index < enic->wq_count; index++) { + vnic_wq_init(&enic->wq[index], + enic_cq_wq(enic, index), + error_interrupt_enable, + error_interrupt_offset); + } + + vnic_dev_stats_clear(enic->vdev); + + for (index = 0; index < enic->cq_count; index++) { + vnic_cq_init(&enic->cq[index], + 0 /* flow_control_enable */, + 1 /* color_enable */, + 0 /* cq_head */, + 0 /* cq_tail */, + 1 /* cq_tail_color */, + 0 /* interrupt_enable */, + 1 /* cq_entry_enable */, + 0 /* cq_message_enable */, + 0 /* interrupt offset */, + 0 /* cq_message_addr */); + } + + vnic_intr_init(&enic->intr, + enic->config.intr_timer_usec, + enic->config.intr_timer_type, + /*mask_on_assertion*/1); +} + + +static int enic_rq_alloc_buf(struct vnic_rq *rq) +{ + struct enic *enic = vnic_dev_priv(rq->vdev); + dma_addr_t dma_addr; + struct rq_enet_desc *desc = vnic_rq_next_desc(rq); + uint8_t type = RQ_ENET_TYPE_ONLY_SOP; + u16 split_hdr_size = vnic_get_hdr_split_size(enic->vdev); + struct rte_mbuf *mbuf = enic_rxmbuf_alloc(rq->mp); + struct rte_mbuf *hdr_mbuf = NULL; + + if (!mbuf) { + dev_err(enic, "mbuf alloc in enic_rq_alloc_buf failed\n"); + return -1; + } + + if (unlikely(split_hdr_size)) { + if (vnic_rq_desc_avail(rq) < 2) { + rte_mempool_put(mbuf->pool, mbuf); + return -1; + } + hdr_mbuf = enic_rxmbuf_alloc(rq->mp); + if (!hdr_mbuf) { + rte_mempool_put(mbuf->pool, mbuf); + dev_err(enic, + "hdr_mbuf alloc in enic_rq_alloc_buf failed\n"); + return -1; + } + + hdr_mbuf->data_off = RTE_PKTMBUF_HEADROOM; + + hdr_mbuf->nb_segs = 2; + hdr_mbuf->port = enic->port_id; + hdr_mbuf->next = mbuf; + + dma_addr = (dma_addr_t) + (hdr_mbuf->buf_physaddr + hdr_mbuf->data_off); + + rq_enet_desc_enc(desc, dma_addr, type, split_hdr_size); + + vnic_rq_post(rq, (void *)hdr_mbuf, 0 /*os_buf_index*/, dma_addr, + (unsigned int)split_hdr_size, 0 /*wrid*/); + + desc = vnic_rq_next_desc(rq); + type = RQ_ENET_TYPE_NOT_SOP; + } else { + mbuf->nb_segs = 1; + mbuf->port = enic->port_id; + } + + mbuf->data_off = RTE_PKTMBUF_HEADROOM; + mbuf->next = NULL; + + dma_addr = (dma_addr_t) + (mbuf->buf_physaddr + mbuf->data_off); + + rq_enet_desc_enc(desc, dma_addr, type, mbuf->buf_len); + + vnic_rq_post(rq, (void *)mbuf, 0 /*os_buf_index*/, dma_addr, + (unsigned int)mbuf->buf_len, 0 /*wrid*/); + + return 0; +} + +static int enic_rq_indicate_buf(struct vnic_rq *rq, + struct cq_desc *cq_desc, struct vnic_rq_buf *buf, + int skipped, void *opaque) +{ + struct enic *enic = vnic_dev_priv(rq->vdev); + struct rte_mbuf **rx_pkt_bucket = (struct rte_mbuf **)opaque; + struct rte_mbuf *rx_pkt = NULL; + struct rte_mbuf *hdr_rx_pkt = NULL; + + u8 type, color, eop, sop, ingress_port, vlan_stripped; + u8 fcoe, fcoe_sof, fcoe_fc_crc_ok, fcoe_enc_error, fcoe_eof; + u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok; + u8 ipv6, ipv4, ipv4_fragment, fcs_ok, rss_type, csum_not_calc; + u8 packet_error; + u16 q_number, completed_index, bytes_written, vlan_tci, checksum; + u32 rss_hash; + + cq_enet_rq_desc_dec((struct cq_enet_rq_desc *)cq_desc, + &type, &color, &q_number, &completed_index, + &ingress_port, &fcoe, &eop, &sop, &rss_type, + &csum_not_calc, &rss_hash, &bytes_written, + &packet_error, &vlan_stripped, &vlan_tci, &checksum, + &fcoe_sof, &fcoe_fc_crc_ok, &fcoe_enc_error, + &fcoe_eof, &tcp_udp_csum_ok, &udp, &tcp, + &ipv4_csum_ok, &ipv6, &ipv4, &ipv4_fragment, + &fcs_ok); + + rx_pkt = (struct rte_mbuf *)buf->os_buf; + buf->os_buf = NULL; + + if (unlikely(packet_error)) { + dev_err(enic, "packet error\n"); + rx_pkt->data_len = 0; + return 0; + } + + if (unlikely(skipped)) { + rx_pkt->data_len = 0; + return 0; + } + + if (likely(!vnic_get_hdr_split_size(enic->vdev))) { + /* No header split configured */ + *rx_pkt_bucket = rx_pkt; + rx_pkt->pkt_len = bytes_written; + + if (ipv4) { + rx_pkt->ol_flags |= PKT_RX_IPV4_HDR; + if (!csum_not_calc) { + if (unlikely(!ipv4_csum_ok)) + rx_pkt->ol_flags |= PKT_RX_IP_CKSUM_BAD; + + if ((tcp || udp) && (!tcp_udp_csum_ok)) + rx_pkt->ol_flags |= PKT_RX_L4_CKSUM_BAD; + } + } else if (ipv6) + rx_pkt->ol_flags |= PKT_RX_IPV6_HDR; + } else { + /* Header split */ + if (sop && !eop) { + /* This piece is header */ + *rx_pkt_bucket = rx_pkt; + rx_pkt->pkt_len = bytes_written; + } else { + if (sop && eop) { + /* The packet is smaller than split_hdr_size */ + *rx_pkt_bucket = rx_pkt; + rx_pkt->pkt_len = bytes_written; + if (ipv4) { + rx_pkt->ol_flags |= PKT_RX_IPV4_HDR; + if (!csum_not_calc) { + if (unlikely(!ipv4_csum_ok)) + rx_pkt->ol_flags |= + PKT_RX_IP_CKSUM_BAD; + + if ((tcp || udp) && + (!tcp_udp_csum_ok)) + rx_pkt->ol_flags |= + PKT_RX_L4_CKSUM_BAD; + } + } else if (ipv6) + rx_pkt->ol_flags |= PKT_RX_IPV6_HDR; + } else { + /* Payload */ + hdr_rx_pkt = *rx_pkt_bucket; + hdr_rx_pkt->pkt_len += bytes_written; + if (ipv4) { + hdr_rx_pkt->ol_flags |= PKT_RX_IPV4_HDR; + if (!csum_not_calc) { + if (unlikely(!ipv4_csum_ok)) + hdr_rx_pkt->ol_flags |= + PKT_RX_IP_CKSUM_BAD; + + if ((tcp || udp) && + (!tcp_udp_csum_ok)) + hdr_rx_pkt->ol_flags |= + PKT_RX_L4_CKSUM_BAD; + } + } else if (ipv6) + hdr_rx_pkt->ol_flags |= PKT_RX_IPV6_HDR; + + } + } + } + + rx_pkt->data_len = bytes_written; + + if (rss_hash) { + rx_pkt->ol_flags |= PKT_RX_RSS_HASH; + rx_pkt->hash.rss = rss_hash; + } + + if (vlan_tci) { + rx_pkt->ol_flags |= PKT_RX_VLAN_PKT; + rx_pkt->vlan_tci = vlan_tci; + } + + return eop; +} + +static int enic_rq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc, + __rte_unused u8 type, u16 q_number, u16 completed_index, void *opaque) +{ + struct enic *enic = vnic_dev_priv(vdev); + + return vnic_rq_service(&enic->rq[q_number], cq_desc, + completed_index, VNIC_RQ_RETURN_DESC, + enic_rq_indicate_buf, opaque); + +} + +int enic_poll(struct vnic_rq *rq, struct rte_mbuf **rx_pkts, + unsigned int budget, unsigned int *work_done) +{ + struct enic *enic = vnic_dev_priv(rq->vdev); + unsigned int cq = enic_cq_rq(enic, rq->index); + int err = 0; + + *work_done = vnic_cq_service(&enic->cq[cq], + budget, enic_rq_service, (void *)rx_pkts); + + if (*work_done) { + vnic_rq_fill(rq, enic_rq_alloc_buf); + + /* Need at least one buffer on ring to get going */ + if (vnic_rq_desc_used(rq) == 0) { + dev_err(enic, "Unable to alloc receive buffers\n"); + err = -1; + } + } + return err; +} + +static void * +enic_alloc_consistent(__rte_unused void *priv, size_t size, + dma_addr_t *dma_handle, u8 *name) +{ + void *vaddr; + const struct rte_memzone *rz; + *dma_handle = 0; + + rz = rte_memzone_reserve_aligned((const char *)name, + size, 0, 0, ENIC_ALIGN); + if (!rz) { + pr_err("%s : Failed to allocate memory requested for %s", + __func__, name); + return NULL; + } + + vaddr = rz->addr; + *dma_handle = (dma_addr_t)rz->phys_addr; + + return vaddr; +} + +static void +enic_free_consistent(__rte_unused struct rte_pci_device *hwdev, + __rte_unused size_t size, + __rte_unused void *vaddr, + __rte_unused dma_addr_t dma_handle) +{ + /* Nothing to be done */ +} + +static void +enic_intr_handler(__rte_unused struct rte_intr_handle *handle, + void *arg) +{ + struct enic *enic = pmd_priv((struct rte_eth_dev *)arg); + + vnic_intr_return_all_credits(&enic->intr); + + enic_log_q_error(enic); +} + +int enic_enable(struct enic *enic) +{ + unsigned int index; + struct rte_eth_dev *eth_dev = enic->rte_dev; + + eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev); + eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX; + vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */ + + if (enic_clsf_init(enic)) + dev_warning(enic, "Init of hash table for clsf failed."\ + "Flow director feature will not work\n"); + + /* Fill RQ bufs */ + for (index = 0; index < enic->rq_count; index++) { + vnic_rq_fill(&enic->rq[index], enic_rq_alloc_buf); + + /* Need at least one buffer on ring to get going + */ + if (vnic_rq_desc_used(&enic->rq[index]) == 0) { + dev_err(enic, "Unable to alloc receive buffers\n"); + return -1; + } + } + + for (index = 0; index < enic->wq_count; index++) + vnic_wq_enable(&enic->wq[index]); + for (index = 0; index < enic->rq_count; index++) + vnic_rq_enable(&enic->rq[index]); + + vnic_dev_enable_wait(enic->vdev); + + /* Register and enable error interrupt */ + rte_intr_callback_register(&(enic->pdev->intr_handle), + enic_intr_handler, (void *)enic->rte_dev); + + rte_intr_enable(&(enic->pdev->intr_handle)); + vnic_intr_unmask(&enic->intr); + + return 0; +} + +int enic_alloc_intr_resources(struct enic *enic) +{ + int err; + + dev_info(enic, "vNIC resources used: "\ + "wq %d rq %d cq %d intr %d\n", + enic->wq_count, enic->rq_count, + enic->cq_count, enic->intr_count); + + err = vnic_intr_alloc(enic->vdev, &enic->intr, 0); + if (err) + enic_free_vnic_resources(enic); + + return err; +} + +void enic_free_rq(void *rxq) +{ + struct vnic_rq *rq = (struct vnic_rq *)rxq; + struct enic *enic = vnic_dev_priv(rq->vdev); + + vnic_rq_free(rq); + vnic_cq_free(&enic->cq[rq->index]); +} + +void enic_start_wq(struct enic *enic, uint16_t queue_idx) +{ + vnic_wq_enable(&enic->wq[queue_idx]); +} + +int enic_stop_wq(struct enic *enic, uint16_t queue_idx) +{ + return vnic_wq_disable(&enic->wq[queue_idx]); +} + +void enic_start_rq(struct enic *enic, uint16_t queue_idx) +{ + vnic_rq_enable(&enic->rq[queue_idx]); +} + +int enic_stop_rq(struct enic *enic, uint16_t queue_idx) +{ + return vnic_rq_disable(&enic->rq[queue_idx]); +} + +int enic_alloc_rq(struct enic *enic, uint16_t queue_idx, + unsigned int socket_id, struct rte_mempool *mp, + uint16_t nb_desc) +{ + int err; + struct vnic_rq *rq = &enic->rq[queue_idx]; + + rq->socket_id = socket_id; + rq->mp = mp; + + if (nb_desc) { + if (nb_desc > enic->config.rq_desc_count) { + dev_warning(enic, + "RQ %d - number of rx desc in cmd line (%d)"\ + "is greater than that in the UCSM/CIMC adapter"\ + "policy. Applying the value in the adapter "\ + "policy (%d).\n", + queue_idx, nb_desc, enic->config.rq_desc_count); + } else if (nb_desc != enic->config.rq_desc_count) { + enic->config.rq_desc_count = nb_desc; + dev_info(enic, + "RX Queues - effective number of descs:%d\n", + nb_desc); + } + } + + /* Allocate queue resources */ + err = vnic_rq_alloc(enic->vdev, &enic->rq[queue_idx], queue_idx, + enic->config.rq_desc_count, + sizeof(struct rq_enet_desc)); + if (err) { + dev_err(enic, "error in allocation of rq\n"); + return err; + } + + err = vnic_cq_alloc(enic->vdev, &enic->cq[queue_idx], queue_idx, + socket_id, enic->config.rq_desc_count, + sizeof(struct cq_enet_rq_desc)); + if (err) { + vnic_rq_free(rq); + dev_err(enic, "error in allocation of cq for rq\n"); + } + + return err; +} + +void enic_free_wq(void *txq) +{ + struct vnic_wq *wq = (struct vnic_wq *)txq; + struct enic *enic = vnic_dev_priv(wq->vdev); + + vnic_wq_free(wq); + vnic_cq_free(&enic->cq[enic->rq_count + wq->index]); +} + +int enic_alloc_wq(struct enic *enic, uint16_t queue_idx, + unsigned int socket_id, uint16_t nb_desc) +{ + int err; + struct vnic_wq *wq = &enic->wq[queue_idx]; + unsigned int cq_index = enic_cq_wq(enic, queue_idx); + + wq->socket_id = socket_id; + if (nb_desc) { + if (nb_desc > enic->config.wq_desc_count) { + dev_warning(enic, + "WQ %d - number of tx desc in cmd line (%d)"\ + "is greater than that in the UCSM/CIMC adapter"\ + "policy. Applying the value in the adapter "\ + "policy (%d)\n", + queue_idx, nb_desc, enic->config.wq_desc_count); + } else if (nb_desc != enic->config.wq_desc_count) { + enic->config.wq_desc_count = nb_desc; + dev_info(enic, + "TX Queues - effective number of descs:%d\n", + nb_desc); + } + } + + /* Allocate queue resources */ + err = vnic_wq_alloc(enic->vdev, &enic->wq[queue_idx], queue_idx, + enic->config.wq_desc_count, + sizeof(struct wq_enet_desc)); + if (err) { + dev_err(enic, "error in allocation of wq\n"); + return err; + } + + err = vnic_cq_alloc(enic->vdev, &enic->cq[cq_index], cq_index, + socket_id, enic->config.wq_desc_count, + sizeof(struct cq_enet_wq_desc)); + if (err) { + vnic_wq_free(wq); + dev_err(enic, "error in allocation of cq for wq\n"); + } + + return err; +} + +int enic_disable(struct enic *enic) +{ + unsigned int i; + int err; + + vnic_intr_mask(&enic->intr); + (void)vnic_intr_masked(&enic->intr); /* flush write */ + + vnic_dev_disable(enic->vdev); + + enic_clsf_destroy(enic); + + if (!enic_is_sriov_vf(enic)) + vnic_dev_del_addr(enic->vdev, enic->mac_addr); + + for (i = 0; i < enic->wq_count; i++) { + err = vnic_wq_disable(&enic->wq[i]); + if (err) + return err; + } + for (i = 0; i < enic->rq_count; i++) { + err = vnic_rq_disable(&enic->rq[i]); + if (err) + return err; + } + + vnic_dev_set_reset_flag(enic->vdev, 1); + vnic_dev_notify_unset(enic->vdev); + + for (i = 0; i < enic->wq_count; i++) + vnic_wq_clean(&enic->wq[i], enic_free_wq_buf); + for (i = 0; i < enic->rq_count; i++) + vnic_rq_clean(&enic->rq[i], enic_free_rq_buf); + for (i = 0; i < enic->cq_count; i++) + vnic_cq_clean(&enic->cq[i]); + vnic_intr_clean(&enic->intr); + + return 0; +} + +static int enic_dev_wait(struct vnic_dev *vdev, + int (*start)(struct vnic_dev *, int), + int (*finished)(struct vnic_dev *, int *), + int arg) +{ + int done; + int err; + int i; + + err = start(vdev, arg); + if (err) + return err; + + /* Wait for func to complete...2 seconds max */ + for (i = 0; i < 2000; i++) { + err = finished(vdev, &done); + if (err) + return err; + if (done) + return 0; + usleep(1000); + } + return -ETIMEDOUT; +} + +static int enic_dev_open(struct enic *enic) +{ + int err; + + err = enic_dev_wait(enic->vdev, vnic_dev_open, + vnic_dev_open_done, 0); + if (err) + dev_err(enic_get_dev(enic), + "vNIC device open failed, err %d\n", err); + + return err; +} + +static int enic_set_rsskey(struct enic *enic) +{ + dma_addr_t rss_key_buf_pa; + union vnic_rss_key *rss_key_buf_va = NULL; + static union vnic_rss_key rss_key = { + .key = { + [0] = {.b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101}}, + [1] = {.b = {80, 65, 76, 79, 117, 110, 105, 113, 117, 101}}, + [2] = {.b = {76, 73, 78, 85, 88, 114, 111, 99, 107, 115}}, + [3] = {.b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108}}, + } + }; + int err; + u8 name[NAME_MAX]; + + snprintf((char *)name, NAME_MAX, "rss_key-%s", enic->bdf_name); + rss_key_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_key), + &rss_key_buf_pa, name); + if (!rss_key_buf_va) + return -ENOMEM; + + rte_memcpy(rss_key_buf_va, &rss_key, sizeof(union vnic_rss_key)); + + err = enic_set_rss_key(enic, + rss_key_buf_pa, + sizeof(union vnic_rss_key)); + + enic_free_consistent(enic->pdev, sizeof(union vnic_rss_key), + rss_key_buf_va, rss_key_buf_pa); + + return err; +} + +static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits) +{ + dma_addr_t rss_cpu_buf_pa; + union vnic_rss_cpu *rss_cpu_buf_va = NULL; + int i; + int err; + u8 name[NAME_MAX]; + + snprintf((char *)name, NAME_MAX, "rss_cpu-%s", enic->bdf_name); + rss_cpu_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_cpu), + &rss_cpu_buf_pa, name); + if (!rss_cpu_buf_va) + return -ENOMEM; + + for (i = 0; i < (1 << rss_hash_bits); i++) + (*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count; + + err = enic_set_rss_cpu(enic, + rss_cpu_buf_pa, + sizeof(union vnic_rss_cpu)); + + enic_free_consistent(enic->pdev, sizeof(union vnic_rss_cpu), + rss_cpu_buf_va, rss_cpu_buf_pa); + + return err; +} + +static int enic_set_niccfg(struct enic *enic, u8 rss_default_cpu, + u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable) +{ + const u8 tso_ipid_split_en = 0; + int err; + + /* Enable VLAN tag stripping */ + + err = enic_set_nic_cfg(enic, + rss_default_cpu, rss_hash_type, + rss_hash_bits, rss_base_cpu, + rss_enable, tso_ipid_split_en, + enic->ig_vlan_strip_en); + + return err; +} + +int enic_set_rss_nic_cfg(struct enic *enic) +{ + const u8 rss_default_cpu = 0; + const u8 rss_hash_type = NIC_CFG_RSS_HASH_TYPE_IPV4 | + NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 | + NIC_CFG_RSS_HASH_TYPE_IPV6 | + NIC_CFG_RSS_HASH_TYPE_TCP_IPV6; + const u8 rss_hash_bits = 7; + const u8 rss_base_cpu = 0; + u8 rss_enable = ENIC_SETTING(enic, RSS) && (enic->rq_count > 1); + + if (rss_enable) { + if (!enic_set_rsskey(enic)) { + if (enic_set_rsscpu(enic, rss_hash_bits)) { + rss_enable = 0; + dev_warning(enic, "RSS disabled, "\ + "Failed to set RSS cpu indirection table."); + } + } else { + rss_enable = 0; + dev_warning(enic, + "RSS disabled, Failed to set RSS key.\n"); + } + } + + return enic_set_niccfg(enic, rss_default_cpu, rss_hash_type, + rss_hash_bits, rss_base_cpu, rss_enable); +} + +int enic_setup_finish(struct enic *enic) +{ + int ret; + + ret = enic_set_rss_nic_cfg(enic); + if (ret) { + dev_err(enic, "Failed to config nic, aborting.\n"); + return -1; + } + + vnic_dev_add_addr(enic->vdev, enic->mac_addr); + + /* Default conf */ + vnic_dev_packet_filter(enic->vdev, + 1 /* directed */, + 1 /* multicast */, + 1 /* broadcast */, + 0 /* promisc */, + 1 /* allmulti */); + + enic->promisc = 0; + enic->allmulti = 1; + + return 0; +} + +void enic_add_packet_filter(struct enic *enic) +{ + /* Args -> directed, multicast, broadcast, promisc, allmulti */ + vnic_dev_packet_filter(enic->vdev, 1, 1, 1, + enic->promisc, enic->allmulti); +} + +int enic_get_link_status(struct enic *enic) +{ + return vnic_dev_link_status(enic->vdev); +} + +static void enic_dev_deinit(struct enic *enic) +{ + struct rte_eth_dev *eth_dev = enic->rte_dev; + + rte_free(eth_dev->data->mac_addrs); +} + + +int enic_set_vnic_res(struct enic *enic) +{ + struct rte_eth_dev *eth_dev = enic->rte_dev; + + if ((enic->rq_count < eth_dev->data->nb_rx_queues) || + (enic->wq_count < eth_dev->data->nb_tx_queues)) { + dev_err(dev, "Not enough resources configured, aborting\n"); + return -1; + } + + enic->rq_count = eth_dev->data->nb_rx_queues; + enic->wq_count = eth_dev->data->nb_tx_queues; + if (enic->cq_count < (enic->rq_count + enic->wq_count)) { + dev_err(dev, "Not enough resources configured, aborting\n"); + return -1; + } + + enic->cq_count = enic->rq_count + enic->wq_count; + return 0; +} + +static int enic_dev_init(struct enic *enic) +{ + int err; + struct rte_eth_dev *eth_dev = enic->rte_dev; + + vnic_dev_intr_coal_timer_info_default(enic->vdev); + + /* Get vNIC configuration + */ + err = enic_get_vnic_config(enic); + if (err) { + dev_err(dev, "Get vNIC configuration failed, aborting\n"); + return err; + } + + eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr", ETH_ALEN, 0); + if (!eth_dev->data->mac_addrs) { + dev_err(enic, "mac addr storage alloc failed, aborting.\n"); + return -1; + } + ether_addr_copy((struct ether_addr *) enic->mac_addr, + ð_dev->data->mac_addrs[0]); + + + /* Get available resource counts + */ + enic_get_res_counts(enic); + + vnic_dev_set_reset_flag(enic->vdev, 0); + + return 0; + +} + +int enic_probe(struct enic *enic) +{ + struct rte_pci_device *pdev = enic->pdev; + int err = -1; + + dev_debug(enic, " Initializing ENIC PMD version %s\n", DRV_VERSION); + + enic->bar0.vaddr = (void *)pdev->mem_resource[0].addr; + enic->bar0.len = pdev->mem_resource[0].len; + + /* Register vNIC device */ + enic->vdev = vnic_dev_register(NULL, enic, enic->pdev, &enic->bar0, 1); + if (!enic->vdev) { + dev_err(enic, "vNIC registration failed, aborting\n"); + goto err_out; + } + + vnic_register_cbacks(enic->vdev, + enic_alloc_consistent, + enic_free_consistent); + + /* Issue device open to get device in known state */ + err = enic_dev_open(enic); + if (err) { + dev_err(enic, "vNIC dev open failed, aborting\n"); + goto err_out_unregister; + } + + /* Set ingress vlan rewrite mode before vnic initialization */ + err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev, + IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN); + if (err) { + dev_err(enic, + "Failed to set ingress vlan rewrite mode, aborting.\n"); + goto err_out_dev_close; + } + + /* Issue device init to initialize the vnic-to-switch link. + * We'll start with carrier off and wait for link UP + * notification later to turn on carrier. We don't need + * to wait here for the vnic-to-switch link initialization + * to complete; link UP notification is the indication that + * the process is complete. + */ + + err = vnic_dev_init(enic->vdev, 0); + if (err) { + dev_err(enic, "vNIC dev init failed, aborting\n"); + goto err_out_dev_close; + } + + err = enic_dev_init(enic); + if (err) { + dev_err(enic, "Device initialization failed, aborting\n"); + goto err_out_dev_close; + } + + return 0; + +err_out_dev_close: + vnic_dev_close(enic->vdev); +err_out_unregister: + vnic_dev_unregister(enic->vdev); +err_out: + return err; +} + +void enic_remove(struct enic *enic) +{ + enic_dev_deinit(enic); + vnic_dev_close(enic->vdev); + vnic_dev_unregister(enic->vdev); +} diff --git a/drivers/enic/enic_res.c b/drivers/enic/enic_res.c new file mode 100644 index 0000000..12a337c --- /dev/null +++ b/drivers/enic/enic_res.c @@ -0,0 +1,219 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: enic_res.c 171146 2014-05-02 07:08:20Z ssujith $" + +#include "enic_compat.h" +#include "rte_ethdev.h" +#include "wq_enet_desc.h" +#include "rq_enet_desc.h" +#include "cq_enet_desc.h" +#include "vnic_resource.h" +#include "vnic_enet.h" +#include "vnic_dev.h" +#include "vnic_wq.h" +#include "vnic_rq.h" +#include "vnic_cq.h" +#include "vnic_intr.h" +#include "vnic_stats.h" +#include "vnic_nic.h" +#include "vnic_rss.h" +#include "enic_res.h" +#include "enic.h" + +int enic_get_vnic_config(struct enic *enic) +{ + struct vnic_enet_config *c = &enic->config; + int err; + + err = vnic_dev_get_mac_addr(enic->vdev, enic->mac_addr); + if (err) { + dev_err(enic_get_dev(enic), + "Error getting MAC addr, %d\n", err); + return err; + } + +#define GET_CONFIG(m) \ + do { \ + err = vnic_dev_spec(enic->vdev, \ + offsetof(struct vnic_enet_config, m), \ + sizeof(c->m), &c->m); \ + if (err) { \ + dev_err(enic_get_dev(enic), \ + "Error getting %s, %d\n", #m, err); \ + return err; \ + } \ + } while (0) + + GET_CONFIG(flags); + GET_CONFIG(wq_desc_count); + GET_CONFIG(rq_desc_count); + GET_CONFIG(mtu); + GET_CONFIG(intr_timer_type); + GET_CONFIG(intr_mode); + GET_CONFIG(intr_timer_usec); + GET_CONFIG(loop_tag); + GET_CONFIG(num_arfs); + + c->wq_desc_count = + min_t(u32, ENIC_MAX_WQ_DESCS, + max_t(u32, ENIC_MIN_WQ_DESCS, + c->wq_desc_count)); + c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */ + + c->rq_desc_count = + min_t(u32, ENIC_MAX_RQ_DESCS, + max_t(u32, ENIC_MIN_RQ_DESCS, + c->rq_desc_count)); + c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */ + + if (c->mtu == 0) + c->mtu = 1500; + c->mtu = min_t(u16, ENIC_MAX_MTU, + max_t(u16, ENIC_MIN_MTU, + c->mtu)); + + c->intr_timer_usec = min_t(u32, c->intr_timer_usec, + vnic_dev_get_intr_coal_timer_max(enic->vdev)); + + dev_info(enic_get_dev(enic), + "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x " + "wq/rq %d/%d mtu %d\n", + enic->mac_addr[0], enic->mac_addr[1], enic->mac_addr[2], + enic->mac_addr[3], enic->mac_addr[4], enic->mac_addr[5], + c->wq_desc_count, c->rq_desc_count, c->mtu); + dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s " + "rss %s intr mode %s type %s timer %d usec " + "loopback tag 0x%04x\n", + ENIC_SETTING(enic, TXCSUM) ? "yes" : "no", + ENIC_SETTING(enic, RXCSUM) ? "yes" : "no", + ENIC_SETTING(enic, RSS) ? "yes" : "no", + c->intr_mode == VENET_INTR_MODE_INTX ? "INTx" : + c->intr_mode == VENET_INTR_MODE_MSI ? "MSI" : + c->intr_mode == VENET_INTR_MODE_ANY ? "any" : + "unknown", + c->intr_timer_type == VENET_INTR_TYPE_MIN ? "min" : + c->intr_timer_type == VENET_INTR_TYPE_IDLE ? "idle" : + "unknown", + c->intr_timer_usec, + c->loop_tag); + + return 0; +} + +int enic_add_vlan(struct enic *enic, u16 vlanid) +{ + u64 a0 = vlanid, a1 = 0; + int wait = 1000; + int err; + + err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait); + if (err) + dev_err(enic_get_dev(enic), "Can't add vlan id, %d\n", err); + + return err; +} + +int enic_del_vlan(struct enic *enic, u16 vlanid) +{ + u64 a0 = vlanid, a1 = 0; + int wait = 1000; + int err; + + err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait); + if (err) + dev_err(enic_get_dev(enic), "Can't delete vlan id, %d\n", err); + + return err; +} + +int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, + u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, + u8 ig_vlan_strip_en) +{ + u64 a0, a1; + u32 nic_cfg; + int wait = 1000; + + vnic_set_nic_cfg(&nic_cfg, rss_default_cpu, + rss_hash_type, rss_hash_bits, rss_base_cpu, + rss_enable, tso_ipid_split_en, ig_vlan_strip_en); + + a0 = nic_cfg; + a1 = 0; + + return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait); +} + +int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len) +{ + u64 a0 = (u64)key_pa, a1 = len; + int wait = 1000; + + return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait); +} + +int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len) +{ + u64 a0 = (u64)cpu_pa, a1 = len; + int wait = 1000; + + return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait); +} + +void enic_free_vnic_resources(struct enic *enic) +{ + unsigned int i; + + for (i = 0; i < enic->wq_count; i++) + vnic_wq_free(&enic->wq[i]); + for (i = 0; i < enic->rq_count; i++) + vnic_rq_free(&enic->rq[i]); + for (i = 0; i < enic->cq_count; i++) + vnic_cq_free(&enic->cq[i]); + vnic_intr_free(&enic->intr); +} + +void enic_get_res_counts(struct enic *enic) +{ + enic->wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ); + enic->rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ); + enic->cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ); + enic->intr_count = vnic_dev_get_res_count(enic->vdev, + RES_TYPE_INTR_CTRL); + + dev_info(enic_get_dev(enic), + "vNIC resources avail: wq %d rq %d cq %d intr %d\n", + enic->wq_count, enic->rq_count, + enic->cq_count, enic->intr_count); +} diff --git a/drivers/enic/enic_res.h b/drivers/enic/enic_res.h new file mode 100644 index 0000000..ea60f6a --- /dev/null +++ b/drivers/enic/enic_res.h @@ -0,0 +1,168 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: enic_res.h 173137 2014-05-16 03:27:22Z sanpilla $" + +#ifndef _ENIC_RES_H_ +#define _ENIC_RES_H_ + +#include "wq_enet_desc.h" +#include "rq_enet_desc.h" +#include "vnic_wq.h" +#include "vnic_rq.h" + +#define ENIC_MIN_WQ_DESCS 64 +#define ENIC_MAX_WQ_DESCS 4096 +#define ENIC_MIN_RQ_DESCS 64 +#define ENIC_MAX_RQ_DESCS 4096 + +#define ENIC_MIN_MTU 68 +#define ENIC_MAX_MTU 9000 + +#define ENIC_MULTICAST_PERFECT_FILTERS 32 +#define ENIC_UNICAST_PERFECT_FILTERS 32 + +#define ENIC_NON_TSO_MAX_DESC 16 + +#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0) + +static inline void enic_queue_wq_desc_ex(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, + unsigned int mss_or_csum_offset, unsigned int hdr_len, + int vlan_tag_insert, unsigned int vlan_tag, + int offload_mode, int cq_entry, int sop, int eop, int loopback) +{ + struct wq_enet_desc *desc = vnic_wq_next_desc(wq); + u8 desc_skip_cnt = 1; + u8 compressed_send = 0; + u64 wrid = 0; + + wq_enet_desc_enc(desc, + (u64)dma_addr | VNIC_PADDR_TARGET, + (u16)len, + (u16)mss_or_csum_offset, + (u16)hdr_len, (u8)offload_mode, + (u8)eop, (u8)cq_entry, + 0, /* fcoe_encap */ + (u8)vlan_tag_insert, + (u16)vlan_tag, + (u8)loopback); + + vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop, desc_skip_cnt, + (u8)cq_entry, compressed_send, wrid); +} + +static inline void enic_queue_wq_desc_cont(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, + int eop, int loopback) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + 0, 0, 0, 0, 0, + eop, 0 /* !SOP */, eop, loopback); +} + +static inline void enic_queue_wq_desc(struct vnic_wq *wq, void *os_buf, + dma_addr_t dma_addr, unsigned int len, int vlan_tag_insert, + unsigned int vlan_tag, int eop, int loopback) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + 0, 0, vlan_tag_insert, vlan_tag, + WQ_ENET_OFFLOAD_MODE_CSUM, + eop, 1 /* SOP */, eop, loopback); +} + +static inline void enic_queue_wq_desc_csum(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, + int ip_csum, int tcpudp_csum, int vlan_tag_insert, + unsigned int vlan_tag, int eop, int loopback) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + (ip_csum ? 1 : 0) + (tcpudp_csum ? 2 : 0), + 0, vlan_tag_insert, vlan_tag, + WQ_ENET_OFFLOAD_MODE_CSUM, + eop, 1 /* SOP */, eop, loopback); +} + +static inline void enic_queue_wq_desc_csum_l4(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, + unsigned int csum_offset, unsigned int hdr_len, + int vlan_tag_insert, unsigned int vlan_tag, int eop, int loopback) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + csum_offset, hdr_len, vlan_tag_insert, vlan_tag, + WQ_ENET_OFFLOAD_MODE_CSUM_L4, + eop, 1 /* SOP */, eop, loopback); +} + +static inline void enic_queue_wq_desc_tso(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, unsigned int len, + unsigned int mss, unsigned int hdr_len, int vlan_tag_insert, + unsigned int vlan_tag, int eop, int loopback) +{ + enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, + mss, hdr_len, vlan_tag_insert, vlan_tag, + WQ_ENET_OFFLOAD_MODE_TSO, + eop, 1 /* SOP */, eop, loopback); +} +static inline void enic_queue_rq_desc(struct vnic_rq *rq, + void *os_buf, unsigned int os_buf_index, + dma_addr_t dma_addr, unsigned int len) +{ + struct rq_enet_desc *desc = vnic_rq_next_desc(rq); + u64 wrid = 0; + u8 type = os_buf_index ? + RQ_ENET_TYPE_NOT_SOP : RQ_ENET_TYPE_ONLY_SOP; + + rq_enet_desc_enc(desc, + (u64)dma_addr | VNIC_PADDR_TARGET, + type, (u16)len); + + vnic_rq_post(rq, os_buf, os_buf_index, dma_addr, len, wrid); +} + +struct enic; + +int enic_get_vnic_config(struct enic *); +int enic_add_vlan(struct enic *enic, u16 vlanid); +int enic_del_vlan(struct enic *enic, u16 vlanid); +int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, + u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, + u8 ig_vlan_strip_en); +int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len); +int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len); +void enic_get_res_counts(struct enic *enic); +void enic_init_vnic_resources(struct enic *enic); +int enic_alloc_vnic_resources(struct enic *); +void enic_free_vnic_resources(struct enic *); + +#endif /* _ENIC_RES_H_ */ diff --git a/drivers/enic/rte_pmd_enic_version.map b/drivers/enic/rte_pmd_enic_version.map new file mode 100644 index 0000000..ef35398 --- /dev/null +++ b/drivers/enic/rte_pmd_enic_version.map @@ -0,0 +1,4 @@ +DPDK_2.0 { + + local: *; +}; diff --git a/drivers/enic/vnic/cq_desc.h b/drivers/enic/vnic/cq_desc.h new file mode 100644 index 0000000..c418967 --- /dev/null +++ b/drivers/enic/vnic/cq_desc.h @@ -0,0 +1,126 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: cq_desc.h 129574 2013-04-26 22:11:14Z rfaucett $" + +#ifndef _CQ_DESC_H_ +#define _CQ_DESC_H_ + +/* + * Completion queue descriptor types + */ +enum cq_desc_types { + CQ_DESC_TYPE_WQ_ENET = 0, + CQ_DESC_TYPE_DESC_COPY = 1, + CQ_DESC_TYPE_WQ_EXCH = 2, + CQ_DESC_TYPE_RQ_ENET = 3, + CQ_DESC_TYPE_RQ_FCP = 4, + CQ_DESC_TYPE_IOMMU_MISS = 5, + CQ_DESC_TYPE_SGL = 6, + CQ_DESC_TYPE_CLASSIFIER = 7, + CQ_DESC_TYPE_TEST = 127, +}; + +/* Completion queue descriptor: 16B + * + * All completion queues have this basic layout. The + * type_specfic area is unique for each completion + * queue type. + */ +struct cq_desc { + __le16 completed_index; + __le16 q_number; + u8 type_specfic[11]; + u8 type_color; +}; + +#define CQ_DESC_TYPE_BITS 4 +#define CQ_DESC_TYPE_MASK ((1 << CQ_DESC_TYPE_BITS) - 1) +#define CQ_DESC_COLOR_MASK 1 +#define CQ_DESC_COLOR_SHIFT 7 +#define CQ_DESC_Q_NUM_BITS 10 +#define CQ_DESC_Q_NUM_MASK ((1 << CQ_DESC_Q_NUM_BITS) - 1) +#define CQ_DESC_COMP_NDX_BITS 12 +#define CQ_DESC_COMP_NDX_MASK ((1 << CQ_DESC_COMP_NDX_BITS) - 1) + +static inline void cq_color_enc(struct cq_desc *desc, const u8 color) +{ + if (color) + desc->type_color |= (1 << CQ_DESC_COLOR_SHIFT); + else + desc->type_color &= ~(1 << CQ_DESC_COLOR_SHIFT); +} + +static inline void cq_desc_enc(struct cq_desc *desc, + const u8 type, const u8 color, const u16 q_number, + const u16 completed_index) +{ + desc->type_color = (type & CQ_DESC_TYPE_MASK) | + ((color & CQ_DESC_COLOR_MASK) << CQ_DESC_COLOR_SHIFT); + desc->q_number = cpu_to_le16(q_number & CQ_DESC_Q_NUM_MASK); + desc->completed_index = cpu_to_le16(completed_index & + CQ_DESC_COMP_NDX_MASK); +} + +static inline void cq_desc_dec(const struct cq_desc *desc_arg, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index) +{ + const struct cq_desc *desc = desc_arg; + const u8 type_color = desc->type_color; + + *color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK; + + /* + * Make sure color bit is read from desc *before* other fields + * are read from desc. Hardware guarantees color bit is last + * bit (byte) written. Adding the rmb() prevents the compiler + * and/or CPU from reordering the reads which would potentially + * result in reading stale values. + */ + + rmb(); + + *type = type_color & CQ_DESC_TYPE_MASK; + *q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK; + *completed_index = le16_to_cpu(desc->completed_index) & + CQ_DESC_COMP_NDX_MASK; +} + +static inline void cq_color_dec(const struct cq_desc *desc_arg, u8 *color) +{ + volatile const struct cq_desc *desc = desc_arg; + + *color = (desc->type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK; +} + +#endif /* _CQ_DESC_H_ */ diff --git a/drivers/enic/vnic/cq_enet_desc.h b/drivers/enic/vnic/cq_enet_desc.h new file mode 100644 index 0000000..669a2b5 --- /dev/null +++ b/drivers/enic/vnic/cq_enet_desc.h @@ -0,0 +1,261 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: cq_enet_desc.h 160468 2014-02-18 09:50:15Z gvaradar $" + +#ifndef _CQ_ENET_DESC_H_ +#define _CQ_ENET_DESC_H_ + +#include "cq_desc.h" + +/* Ethernet completion queue descriptor: 16B */ +struct cq_enet_wq_desc { + __le16 completed_index; + __le16 q_number; + u8 reserved[11]; + u8 type_color; +}; + +static inline void cq_enet_wq_desc_enc(struct cq_enet_wq_desc *desc, + u8 type, u8 color, u16 q_number, u16 completed_index) +{ + cq_desc_enc((struct cq_desc *)desc, type, + color, q_number, completed_index); +} + +static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index) +{ + cq_desc_dec((struct cq_desc *)desc, type, + color, q_number, completed_index); +} + +/* Completion queue descriptor: Ethernet receive queue, 16B */ +struct cq_enet_rq_desc { + __le16 completed_index_flags; + __le16 q_number_rss_type_flags; + __le32 rss_hash; + __le16 bytes_written_flags; + __le16 vlan; + __le16 checksum_fcoe; + u8 flags; + u8 type_color; +}; + +#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT (0x1 << 12) +#define CQ_ENET_RQ_DESC_FLAGS_FCOE (0x1 << 13) +#define CQ_ENET_RQ_DESC_FLAGS_EOP (0x1 << 14) +#define CQ_ENET_RQ_DESC_FLAGS_SOP (0x1 << 15) + +#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS 4 +#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \ + ((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1) +#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE 0 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4 1 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4 2 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6 3 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6 4 +#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX 5 +#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX 6 + +#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC (0x1 << 14) + +#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS 14 +#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \ + ((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1) +#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED (0x1 << 14) +#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED (0x1 << 15) + +#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS 12 +#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_MASK \ + ((1 << CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS) - 1) +#define CQ_ENET_RQ_DESC_VLAN_TCI_CFI_MASK (0x1 << 12) +#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS 3 +#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_MASK \ + ((1 << CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS) - 1) +#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_SHIFT 13 + +#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS 8 +#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \ + ((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1) +#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS 8 +#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \ + ((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1) +#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT 8 + +#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK (0x1 << 0) +#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK (0x1 << 0) +#define CQ_ENET_RQ_DESC_FLAGS_UDP (0x1 << 1) +#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR (0x1 << 1) +#define CQ_ENET_RQ_DESC_FLAGS_TCP (0x1 << 2) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK (0x1 << 3) +#define CQ_ENET_RQ_DESC_FLAGS_IPV6 (0x1 << 4) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4 (0x1 << 5) +#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT (0x1 << 6) +#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK (0x1 << 7) + +static inline void cq_enet_rq_desc_enc(struct cq_enet_rq_desc *desc, + u8 type, u8 color, u16 q_number, u16 completed_index, + u8 ingress_port, u8 fcoe, u8 eop, u8 sop, u8 rss_type, u8 csum_not_calc, + u32 rss_hash, u16 bytes_written, u8 packet_error, u8 vlan_stripped, + u16 vlan, u16 checksum, u8 fcoe_sof, u8 fcoe_fc_crc_ok, + u8 fcoe_enc_error, u8 fcoe_eof, u8 tcp_udp_csum_ok, u8 udp, u8 tcp, + u8 ipv4_csum_ok, u8 ipv6, u8 ipv4, u8 ipv4_fragment, u8 fcs_ok) +{ + cq_desc_enc((struct cq_desc *)desc, type, + color, q_number, completed_index); + + desc->completed_index_flags |= cpu_to_le16( + (ingress_port ? CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT : 0) | + (fcoe ? CQ_ENET_RQ_DESC_FLAGS_FCOE : 0) | + (eop ? CQ_ENET_RQ_DESC_FLAGS_EOP : 0) | + (sop ? CQ_ENET_RQ_DESC_FLAGS_SOP : 0)); + + desc->q_number_rss_type_flags |= cpu_to_le16( + ((rss_type & CQ_ENET_RQ_DESC_RSS_TYPE_MASK) << + CQ_DESC_Q_NUM_BITS) | + (csum_not_calc ? CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC : 0)); + + desc->rss_hash = cpu_to_le32(rss_hash); + + desc->bytes_written_flags = cpu_to_le16( + (bytes_written & CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK) | + (packet_error ? CQ_ENET_RQ_DESC_FLAGS_TRUNCATED : 0) | + (vlan_stripped ? CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED : 0)); + + desc->vlan = cpu_to_le16(vlan); + + if (fcoe) { + desc->checksum_fcoe = cpu_to_le16( + (fcoe_sof & CQ_ENET_RQ_DESC_FCOE_SOF_MASK) | + ((fcoe_eof & CQ_ENET_RQ_DESC_FCOE_EOF_MASK) << + CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT)); + } else { + desc->checksum_fcoe = cpu_to_le16(checksum); + } + + desc->flags = + (tcp_udp_csum_ok ? CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK : 0) | + (udp ? CQ_ENET_RQ_DESC_FLAGS_UDP : 0) | + (tcp ? CQ_ENET_RQ_DESC_FLAGS_TCP : 0) | + (ipv4_csum_ok ? CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK : 0) | + (ipv6 ? CQ_ENET_RQ_DESC_FLAGS_IPV6 : 0) | + (ipv4 ? CQ_ENET_RQ_DESC_FLAGS_IPV4 : 0) | + (ipv4_fragment ? CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT : 0) | + (fcs_ok ? CQ_ENET_RQ_DESC_FLAGS_FCS_OK : 0) | + (fcoe_fc_crc_ok ? CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK : 0) | + (fcoe_enc_error ? CQ_ENET_RQ_DESC_FCOE_ENC_ERROR : 0); +} + +static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc, + u8 *type, u8 *color, u16 *q_number, u16 *completed_index, + u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type, + u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error, + u8 *vlan_stripped, u16 *vlan_tci, u16 *checksum, u8 *fcoe_sof, + u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof, + u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok, + u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok) +{ + u16 completed_index_flags; + u16 q_number_rss_type_flags; + u16 bytes_written_flags; + + cq_desc_dec((struct cq_desc *)desc, type, + color, q_number, completed_index); + + completed_index_flags = le16_to_cpu(desc->completed_index_flags); + q_number_rss_type_flags = + le16_to_cpu(desc->q_number_rss_type_flags); + bytes_written_flags = le16_to_cpu(desc->bytes_written_flags); + + *ingress_port = (completed_index_flags & + CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0; + *fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ? + 1 : 0; + *eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ? + 1 : 0; + *sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ? + 1 : 0; + + *rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) & + CQ_ENET_RQ_DESC_RSS_TYPE_MASK); + *csum_not_calc = (q_number_rss_type_flags & + CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0; + + *rss_hash = le32_to_cpu(desc->rss_hash); + + *bytes_written = bytes_written_flags & + CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK; + *packet_error = (bytes_written_flags & + CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0; + *vlan_stripped = (bytes_written_flags & + CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0; + + /* + * Tag Control Information(16) = user_priority(3) + cfi(1) + vlan(12) + */ + *vlan_tci = le16_to_cpu(desc->vlan); + + if (*fcoe) { + *fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) & + CQ_ENET_RQ_DESC_FCOE_SOF_MASK); + *fcoe_fc_crc_ok = (desc->flags & + CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0; + *fcoe_enc_error = (desc->flags & + CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0; + *fcoe_eof = (u8)((le16_to_cpu(desc->checksum_fcoe) >> + CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) & + CQ_ENET_RQ_DESC_FCOE_EOF_MASK); + *checksum = 0; + } else { + *fcoe_sof = 0; + *fcoe_fc_crc_ok = 0; + *fcoe_enc_error = 0; + *fcoe_eof = 0; + *checksum = le16_to_cpu(desc->checksum_fcoe); + } + + *tcp_udp_csum_ok = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0; + *udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0; + *tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0; + *ipv4_csum_ok = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0; + *ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0; + *ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0; + *ipv4_fragment = + (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0; + *fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0; +} + +#endif /* _CQ_ENET_DESC_H_ */ diff --git a/drivers/enic/vnic/rq_enet_desc.h b/drivers/enic/vnic/rq_enet_desc.h new file mode 100644 index 0000000..f38ff2a --- /dev/null +++ b/drivers/enic/vnic/rq_enet_desc.h @@ -0,0 +1,76 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: rq_enet_desc.h 59839 2010-09-27 20:36:31Z roprabhu $" + +#ifndef _RQ_ENET_DESC_H_ +#define _RQ_ENET_DESC_H_ + +/* Ethernet receive queue descriptor: 16B */ +struct rq_enet_desc { + __le64 address; + __le16 length_type; + u8 reserved[6]; +}; + +enum rq_enet_type_types { + RQ_ENET_TYPE_ONLY_SOP = 0, + RQ_ENET_TYPE_NOT_SOP = 1, + RQ_ENET_TYPE_RESV2 = 2, + RQ_ENET_TYPE_RESV3 = 3, +}; + +#define RQ_ENET_ADDR_BITS 64 +#define RQ_ENET_LEN_BITS 14 +#define RQ_ENET_LEN_MASK ((1 << RQ_ENET_LEN_BITS) - 1) +#define RQ_ENET_TYPE_BITS 2 +#define RQ_ENET_TYPE_MASK ((1 << RQ_ENET_TYPE_BITS) - 1) + +static inline void rq_enet_desc_enc(struct rq_enet_desc *desc, + u64 address, u8 type, u16 length) +{ + desc->address = cpu_to_le64(address); + desc->length_type = cpu_to_le16((length & RQ_ENET_LEN_MASK) | + ((type & RQ_ENET_TYPE_MASK) << RQ_ENET_LEN_BITS)); +} + +static inline void rq_enet_desc_dec(struct rq_enet_desc *desc, + u64 *address, u8 *type, u16 *length) +{ + *address = le64_to_cpu(desc->address); + *length = le16_to_cpu(desc->length_type) & RQ_ENET_LEN_MASK; + *type = (u8)((le16_to_cpu(desc->length_type) >> RQ_ENET_LEN_BITS) & + RQ_ENET_TYPE_MASK); +} + +#endif /* _RQ_ENET_DESC_H_ */ diff --git a/drivers/enic/vnic/vnic_cq.c b/drivers/enic/vnic/vnic_cq.c new file mode 100644 index 0000000..cda97e4 --- /dev/null +++ b/drivers/enic/vnic/vnic_cq.c @@ -0,0 +1,117 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_cq.c 171146 2014-05-02 07:08:20Z ssujith $" + +#include "vnic_dev.h" +#include "vnic_cq.h" + +int vnic_cq_mem_size(struct vnic_cq *cq, unsigned int desc_count, + unsigned int desc_size) +{ + int mem_size; + + mem_size = vnic_dev_desc_ring_size(&cq->ring, desc_count, desc_size); + + return mem_size; +} + +void vnic_cq_free(struct vnic_cq *cq) +{ + vnic_dev_free_desc_ring(cq->vdev, &cq->ring); + + cq->ctrl = NULL; +} + +int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index, + unsigned int socket_id, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + char res_name[NAME_MAX]; + static int instance; + + cq->index = index; + cq->vdev = vdev; + + cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index); + if (!cq->ctrl) { + pr_err("Failed to hook CQ[%d] resource\n", index); + return -EINVAL; + } + + snprintf(res_name, sizeof(res_name), "%d-cq-%d", instance++, index); + err = vnic_dev_alloc_desc_ring(vdev, &cq->ring, desc_count, desc_size, + socket_id, res_name); + if (err) + return err; + + return 0; +} + +void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable, + unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail, + unsigned int cq_tail_color, unsigned int interrupt_enable, + unsigned int cq_entry_enable, unsigned int cq_message_enable, + unsigned int interrupt_offset, u64 cq_message_addr) +{ + u64 paddr; + + paddr = (u64)cq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &cq->ctrl->ring_base); + iowrite32(cq->ring.desc_count, &cq->ctrl->ring_size); + iowrite32(flow_control_enable, &cq->ctrl->flow_control_enable); + iowrite32(color_enable, &cq->ctrl->color_enable); + iowrite32(cq_head, &cq->ctrl->cq_head); + iowrite32(cq_tail, &cq->ctrl->cq_tail); + iowrite32(cq_tail_color, &cq->ctrl->cq_tail_color); + iowrite32(interrupt_enable, &cq->ctrl->interrupt_enable); + iowrite32(cq_entry_enable, &cq->ctrl->cq_entry_enable); + iowrite32(cq_message_enable, &cq->ctrl->cq_message_enable); + iowrite32(interrupt_offset, &cq->ctrl->interrupt_offset); + writeq(cq_message_addr, &cq->ctrl->cq_message_addr); + + cq->interrupt_offset = interrupt_offset; +} + +void vnic_cq_clean(struct vnic_cq *cq) +{ + cq->to_clean = 0; + cq->last_color = 0; + + iowrite32(0, &cq->ctrl->cq_head); + iowrite32(0, &cq->ctrl->cq_tail); + iowrite32(1, &cq->ctrl->cq_tail_color); + + vnic_dev_clear_desc_ring(&cq->ring); +} diff --git a/drivers/enic/vnic/vnic_cq.h b/drivers/enic/vnic/vnic_cq.h new file mode 100644 index 0000000..0928d72 --- /dev/null +++ b/drivers/enic/vnic/vnic_cq.h @@ -0,0 +1,151 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_cq.h 173398 2014-05-19 09:17:02Z gvaradar $" + +#ifndef _VNIC_CQ_H_ +#define _VNIC_CQ_H_ + +#include + +#include "cq_desc.h" +#include "vnic_dev.h" + +/* Completion queue control */ +struct vnic_cq_ctrl { + u64 ring_base; /* 0x00 */ + u32 ring_size; /* 0x08 */ + u32 pad0; + u32 flow_control_enable; /* 0x10 */ + u32 pad1; + u32 color_enable; /* 0x18 */ + u32 pad2; + u32 cq_head; /* 0x20 */ + u32 pad3; + u32 cq_tail; /* 0x28 */ + u32 pad4; + u32 cq_tail_color; /* 0x30 */ + u32 pad5; + u32 interrupt_enable; /* 0x38 */ + u32 pad6; + u32 cq_entry_enable; /* 0x40 */ + u32 pad7; + u32 cq_message_enable; /* 0x48 */ + u32 pad8; + u32 interrupt_offset; /* 0x50 */ + u32 pad9; + u64 cq_message_addr; /* 0x58 */ + u32 pad10; +}; + +#ifdef ENIC_AIC +struct vnic_rx_bytes_counter { + unsigned int small_pkt_bytes_cnt; + unsigned int large_pkt_bytes_cnt; +}; +#endif + +struct vnic_cq { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_cq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + unsigned int to_clean; + unsigned int last_color; + unsigned int interrupt_offset; +#ifdef ENIC_AIC + struct vnic_rx_bytes_counter pkt_size_counter; + unsigned int cur_rx_coal_timeval; + unsigned int tobe_rx_coal_timeval; + ktime_t prev_ts; +#endif +}; + +static inline unsigned int vnic_cq_service(struct vnic_cq *cq, + unsigned int work_to_do, + int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc, + u8 type, u16 q_number, u16 completed_index, void *opaque), + void *opaque) +{ + struct cq_desc *cq_desc; + unsigned int work_done = 0; + u16 q_number, completed_index; + u8 type, color; + struct rte_mbuf **rx_pkts = opaque; + unsigned int ret; + + cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs + + cq->ring.desc_size * cq->to_clean); + cq_desc_dec(cq_desc, &type, &color, + &q_number, &completed_index); + + while (color != cq->last_color) { + if (opaque) + opaque = (void *)&(rx_pkts[work_done]); + + ret = (*q_service)(cq->vdev, cq_desc, type, + q_number, completed_index, opaque); + cq->to_clean++; + if (cq->to_clean == cq->ring.desc_count) { + cq->to_clean = 0; + cq->last_color = cq->last_color ? 0 : 1; + } + + cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs + + cq->ring.desc_size * cq->to_clean); + cq_desc_dec(cq_desc, &type, &color, + &q_number, &completed_index); + + if (ret) + work_done++; + if (work_done >= work_to_do) + break; + } + + return work_done; +} + +void vnic_cq_free(struct vnic_cq *cq); +int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index, + unsigned int socket_id, + unsigned int desc_count, unsigned int desc_size); +void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable, + unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail, + unsigned int cq_tail_color, unsigned int interrupt_enable, + unsigned int cq_entry_enable, unsigned int message_enable, + unsigned int interrupt_offset, u64 message_addr); +void vnic_cq_clean(struct vnic_cq *cq); +int vnic_cq_mem_size(struct vnic_cq *cq, unsigned int desc_count, + unsigned int desc_size); + +#endif /* _VNIC_CQ_H_ */ diff --git a/drivers/enic/vnic/vnic_dev.c b/drivers/enic/vnic/vnic_dev.c new file mode 100644 index 0000000..f566734 --- /dev/null +++ b/drivers/enic/vnic/vnic_dev.c @@ -0,0 +1,1054 @@ +/* + * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id$" + +#include +#include +#include + +#include "vnic_dev.h" +#include "vnic_resource.h" +#include "vnic_devcmd.h" +#include "vnic_stats.h" + + +enum vnic_proxy_type { + PROXY_NONE, + PROXY_BY_BDF, + PROXY_BY_INDEX, +}; + +struct vnic_res { + void __iomem *vaddr; + dma_addr_t bus_addr; + unsigned int count; +}; + +struct vnic_intr_coal_timer_info { + u32 mul; + u32 div; + u32 max_usec; +}; + +struct vnic_dev { + void *priv; + struct rte_pci_device *pdev; + struct vnic_res res[RES_TYPE_MAX]; + enum vnic_dev_intr_mode intr_mode; + struct vnic_devcmd __iomem *devcmd; + struct vnic_devcmd_notify *notify; + struct vnic_devcmd_notify notify_copy; + dma_addr_t notify_pa; + u32 notify_sz; + dma_addr_t linkstatus_pa; + struct vnic_stats *stats; + dma_addr_t stats_pa; + struct vnic_devcmd_fw_info *fw_info; + dma_addr_t fw_info_pa; + enum vnic_proxy_type proxy; + u32 proxy_index; + u64 args[VNIC_DEVCMD_NARGS]; + u16 split_hdr_size; + int in_reset; + struct vnic_intr_coal_timer_info intr_coal_timer_info; + void *(*alloc_consistent)(void *priv, size_t size, + dma_addr_t *dma_handle, u8 *name); + void (*free_consistent)(struct rte_pci_device *hwdev, + size_t size, void *vaddr, + dma_addr_t dma_handle); +}; + +#define VNIC_MAX_RES_HDR_SIZE \ + (sizeof(struct vnic_resource_header) + \ + sizeof(struct vnic_resource) * RES_TYPE_MAX) +#define VNIC_RES_STRIDE 128 + +void *vnic_dev_priv(struct vnic_dev *vdev) +{ + return vdev->priv; +} + +void vnic_register_cbacks(struct vnic_dev *vdev, + void *(*alloc_consistent)(void *priv, size_t size, + dma_addr_t *dma_handle, u8 *name), + void (*free_consistent)(struct rte_pci_device *hwdev, + size_t size, void *vaddr, + dma_addr_t dma_handle)) +{ + vdev->alloc_consistent = alloc_consistent; + vdev->free_consistent = free_consistent; +} + +static int vnic_dev_discover_res(struct vnic_dev *vdev, + struct vnic_dev_bar *bar, unsigned int num_bars) +{ + struct vnic_resource_header __iomem *rh; + struct mgmt_barmap_hdr __iomem *mrh; + struct vnic_resource __iomem *r; + u8 type; + + if (num_bars == 0) + return -EINVAL; + + if (bar->len < VNIC_MAX_RES_HDR_SIZE) { + pr_err("vNIC BAR0 res hdr length error\n"); + return -EINVAL; + } + + rh = bar->vaddr; + mrh = bar->vaddr; + if (!rh) { + pr_err("vNIC BAR0 res hdr not mem-mapped\n"); + return -EINVAL; + } + + /* Check for mgmt vnic in addition to normal vnic */ + if ((ioread32(&rh->magic) != VNIC_RES_MAGIC) || + (ioread32(&rh->version) != VNIC_RES_VERSION)) { + if ((ioread32(&mrh->magic) != MGMTVNIC_MAGIC) || + (ioread32(&mrh->version) != MGMTVNIC_VERSION)) { + pr_err("vNIC BAR0 res magic/version error " \ + "exp (%lx/%lx) or (%lx/%lx), curr (%x/%x)\n", + VNIC_RES_MAGIC, VNIC_RES_VERSION, + MGMTVNIC_MAGIC, MGMTVNIC_VERSION, + ioread32(&rh->magic), ioread32(&rh->version)); + return -EINVAL; + } + } + + if (ioread32(&mrh->magic) == MGMTVNIC_MAGIC) + r = (struct vnic_resource __iomem *)(mrh + 1); + else + r = (struct vnic_resource __iomem *)(rh + 1); + + + while ((type = ioread8(&r->type)) != RES_TYPE_EOL) { + u8 bar_num = ioread8(&r->bar); + u32 bar_offset = ioread32(&r->bar_offset); + u32 count = ioread32(&r->count); + u32 len; + + r++; + + if (bar_num >= num_bars) + continue; + + if (!bar[bar_num].len || !bar[bar_num].vaddr) + continue; + + switch (type) { + case RES_TYPE_WQ: + case RES_TYPE_RQ: + case RES_TYPE_CQ: + case RES_TYPE_INTR_CTRL: + /* each count is stride bytes long */ + len = count * VNIC_RES_STRIDE; + if (len + bar_offset > bar[bar_num].len) { + pr_err("vNIC BAR0 resource %d " \ + "out-of-bounds, offset 0x%x + " \ + "size 0x%x > bar len 0x%lx\n", + type, bar_offset, + len, + bar[bar_num].len); + return -EINVAL; + } + break; + case RES_TYPE_INTR_PBA_LEGACY: + case RES_TYPE_DEVCMD: + len = count; + break; + default: + continue; + } + + vdev->res[type].count = count; + vdev->res[type].vaddr = (char __iomem *)bar[bar_num].vaddr + + bar_offset; + vdev->res[type].bus_addr = bar[bar_num].bus_addr + bar_offset; + } + + return 0; +} + +unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, + enum vnic_res_type type) +{ + return vdev->res[type].count; +} + +void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, + unsigned int index) +{ + if (!vdev->res[type].vaddr) + return NULL; + + switch (type) { + case RES_TYPE_WQ: + case RES_TYPE_RQ: + case RES_TYPE_CQ: + case RES_TYPE_INTR_CTRL: + return (char __iomem *)vdev->res[type].vaddr + + index * VNIC_RES_STRIDE; + default: + return (char __iomem *)vdev->res[type].vaddr; + } +} + +unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size) +{ + /* The base address of the desc rings must be 512 byte aligned. + * Descriptor count is aligned to groups of 32 descriptors. A + * count of 0 means the maximum 4096 descriptors. Descriptor + * size is aligned to 16 bytes. + */ + + unsigned int count_align = 32; + unsigned int desc_align = 16; + + ring->base_align = 512; + + if (desc_count == 0) + desc_count = 4096; + + ring->desc_count = VNIC_ALIGN(desc_count, count_align); + + ring->desc_size = VNIC_ALIGN(desc_size, desc_align); + + ring->size = ring->desc_count * ring->desc_size; + ring->size_unaligned = ring->size + ring->base_align; + + return ring->size_unaligned; +} + +void vnic_set_hdr_split_size(struct vnic_dev *vdev, u16 size) +{ + vdev->split_hdr_size = size; +} + +u16 vnic_get_hdr_split_size(struct vnic_dev *vdev) +{ + return vdev->split_hdr_size; +} + +void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring) +{ + memset(ring->descs, 0, ring->size); +} + +int vnic_dev_alloc_desc_ring(__attribute__((unused)) struct vnic_dev *vdev, + struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size, unsigned int socket_id, + char *z_name) +{ + const struct rte_memzone *rz; + + vnic_dev_desc_ring_size(ring, desc_count, desc_size); + + rz = rte_memzone_reserve_aligned(z_name, + ring->size_unaligned, socket_id, + 0, ENIC_ALIGN); + if (!rz) { + pr_err("Failed to allocate ring (size=%d), aborting\n", + (int)ring->size); + return -ENOMEM; + } + + ring->descs_unaligned = rz->addr; + if (!ring->descs_unaligned) { + pr_err("Failed to map allocated ring (size=%d), aborting\n", + (int)ring->size); + return -ENOMEM; + } + + ring->base_addr_unaligned = (dma_addr_t)rz->phys_addr; + + ring->base_addr = VNIC_ALIGN(ring->base_addr_unaligned, + ring->base_align); + ring->descs = (u8 *)ring->descs_unaligned + + (ring->base_addr - ring->base_addr_unaligned); + + vnic_dev_clear_desc_ring(ring); + + ring->desc_avail = ring->desc_count - 1; + + return 0; +} + +void vnic_dev_free_desc_ring(__attribute__((unused)) struct vnic_dev *vdev, + struct vnic_dev_ring *ring) +{ + if (ring->descs) + ring->descs = NULL; +} + +static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + int wait) +{ + struct vnic_devcmd __iomem *devcmd = vdev->devcmd; + unsigned int i; + int delay; + u32 status; + int err; + + status = ioread32(&devcmd->status); + if (status == 0xFFFFFFFF) { + /* PCI-e target device is gone */ + return -ENODEV; + } + if (status & STAT_BUSY) { + + pr_err("Busy devcmd %d\n", _CMD_N(cmd)); + return -EBUSY; + } + + if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) { + for (i = 0; i < VNIC_DEVCMD_NARGS; i++) + writeq(vdev->args[i], &devcmd->args[i]); + wmb(); /* complete all writes initiated till now */ + } + + iowrite32(cmd, &devcmd->cmd); + + if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT)) + return 0; + + for (delay = 0; delay < wait; delay++) { + + udelay(100); + + status = ioread32(&devcmd->status); + if (status == 0xFFFFFFFF) { + /* PCI-e target device is gone */ + return -ENODEV; + } + + if (!(status & STAT_BUSY)) { + if (status & STAT_ERROR) { + err = -(int)readq(&devcmd->args[0]); + if (cmd != CMD_CAPABILITY) + pr_err("Devcmd %d failed " \ + "with error code %d\n", + _CMD_N(cmd), err); + return err; + } + + if (_CMD_DIR(cmd) & _CMD_DIR_READ) { + rmb();/* finish all reads initiated till now */ + for (i = 0; i < VNIC_DEVCMD_NARGS; i++) + vdev->args[i] = readq(&devcmd->args[i]); + } + + return 0; + } + } + + pr_err("Timedout devcmd %d\n", _CMD_N(cmd)); + return -ETIMEDOUT; +} + +static int vnic_dev_cmd_proxy(struct vnic_dev *vdev, + enum vnic_devcmd_cmd proxy_cmd, enum vnic_devcmd_cmd cmd, + u64 *a0, u64 *a1, int wait) +{ + u32 status; + int err; + + memset(vdev->args, 0, sizeof(vdev->args)); + + vdev->args[0] = vdev->proxy_index; + vdev->args[1] = cmd; + vdev->args[2] = *a0; + vdev->args[3] = *a1; + + err = _vnic_dev_cmd(vdev, proxy_cmd, wait); + if (err) + return err; + + status = (u32)vdev->args[0]; + if (status & STAT_ERROR) { + err = (int)vdev->args[1]; + if (err != ERR_ECMDUNKNOWN || + cmd != CMD_CAPABILITY) + pr_err("Error %d proxy devcmd %d\n", err, _CMD_N(cmd)); + return err; + } + + *a0 = vdev->args[1]; + *a1 = vdev->args[2]; + + return 0; +} + +static int vnic_dev_cmd_no_proxy(struct vnic_dev *vdev, + enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait) +{ + int err; + + vdev->args[0] = *a0; + vdev->args[1] = *a1; + + err = _vnic_dev_cmd(vdev, cmd, wait); + + *a0 = vdev->args[0]; + *a1 = vdev->args[1]; + + return err; +} + +void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index) +{ + vdev->proxy = PROXY_BY_INDEX; + vdev->proxy_index = index; +} + +void vnic_dev_cmd_proxy_by_bdf_start(struct vnic_dev *vdev, u16 bdf) +{ + vdev->proxy = PROXY_BY_BDF; + vdev->proxy_index = bdf; +} + +void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev) +{ + vdev->proxy = PROXY_NONE; + vdev->proxy_index = 0; +} + +int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + u64 *a0, u64 *a1, int wait) +{ + memset(vdev->args, 0, sizeof(vdev->args)); + + switch (vdev->proxy) { + case PROXY_BY_INDEX: + return vnic_dev_cmd_proxy(vdev, CMD_PROXY_BY_INDEX, cmd, + a0, a1, wait); + case PROXY_BY_BDF: + return vnic_dev_cmd_proxy(vdev, CMD_PROXY_BY_BDF, cmd, + a0, a1, wait); + case PROXY_NONE: + default: + return vnic_dev_cmd_no_proxy(vdev, cmd, a0, a1, wait); + } +} + +static int vnic_dev_capable(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd) +{ + u64 a0 = (u32)cmd, a1 = 0; + int wait = 1000; + int err; + + err = vnic_dev_cmd(vdev, CMD_CAPABILITY, &a0, &a1, wait); + + return !(err || a0); +} + +int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, size_t size, + void *value) +{ + u64 a0, a1; + int wait = 1000; + int err; + + a0 = offset; + a1 = size; + + err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait); + + switch (size) { + case 1: + *(u8 *)value = (u8)a0; + break; + case 2: + *(u16 *)value = (u16)a0; + break; + case 4: + *(u32 *)value = (u32)a0; + break; + case 8: + *(u64 *)value = a0; + break; + default: + BUG(); + break; + } + + return err; +} + +int vnic_dev_stats_clear(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + + return vnic_dev_cmd(vdev, CMD_STATS_CLEAR, &a0, &a1, wait); +} + +int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats) +{ + u64 a0, a1; + int wait = 1000; + static u32 instance; + char name[NAME_MAX]; + + if (!vdev->stats) { + snprintf((char *)name, sizeof(name), + "vnic_stats-%d", instance++); + vdev->stats = vdev->alloc_consistent(vdev->priv, + sizeof(struct vnic_stats), &vdev->stats_pa, (u8 *)name); + if (!vdev->stats) + return -ENOMEM; + } + + *stats = vdev->stats; + a0 = vdev->stats_pa; + a1 = sizeof(struct vnic_stats); + + return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait); +} + +int vnic_dev_close(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + + return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait); +} + +/** Deprecated. @see vnic_dev_enable_wait */ +int vnic_dev_enable(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + + return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait); +} + +int vnic_dev_enable_wait(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + + if (vnic_dev_capable(vdev, CMD_ENABLE_WAIT)) + return vnic_dev_cmd(vdev, CMD_ENABLE_WAIT, &a0, &a1, wait); + else + return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait); +} + +int vnic_dev_disable(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + + return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait); +} + +int vnic_dev_open(struct vnic_dev *vdev, int arg) +{ + u64 a0 = (u32)arg, a1 = 0; + int wait = 1000; + + return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait); +} + +int vnic_dev_open_done(struct vnic_dev *vdev, int *done) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + + *done = 0; + + err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait); + if (err) + return err; + + *done = (a0 == 0); + + return 0; +} + +int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg) +{ + u64 a0 = (u32)arg, a1 = 0; + int wait = 1000; + + return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait); +} + +int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + + *done = 0; + + err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait); + if (err) + return err; + + *done = (a0 == 0); + + return 0; +} + +int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr) +{ + u64 a0, a1 = 0; + int wait = 1000; + int err, i; + + for (i = 0; i < ETH_ALEN; i++) + mac_addr[i] = 0; + + err = vnic_dev_cmd(vdev, CMD_GET_MAC_ADDR, &a0, &a1, wait); + if (err) + return err; + + for (i = 0; i < ETH_ALEN; i++) + mac_addr[i] = ((u8 *)&a0)[i]; + + return 0; +} + +int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, + int broadcast, int promisc, int allmulti) +{ + u64 a0, a1 = 0; + int wait = 1000; + int err; + + a0 = (directed ? CMD_PFILTER_DIRECTED : 0) | + (multicast ? CMD_PFILTER_MULTICAST : 0) | + (broadcast ? CMD_PFILTER_BROADCAST : 0) | + (promisc ? CMD_PFILTER_PROMISCUOUS : 0) | + (allmulti ? CMD_PFILTER_ALL_MULTICAST : 0); + + err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait); + if (err) + pr_err("Can't set packet filter\n"); + + return err; +} + +int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + int i; + + for (i = 0; i < ETH_ALEN; i++) + ((u8 *)&a0)[i] = addr[i]; + + err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait); + if (err) + pr_err("Can't add addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], + err); + + return err; +} + +int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + int err; + int i; + + for (i = 0; i < ETH_ALEN; i++) + ((u8 *)&a0)[i] = addr[i]; + + err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait); + if (err) + pr_err("Can't del addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", + addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], + err); + + return err; +} + +int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev, + u8 ig_vlan_rewrite_mode) +{ + u64 a0 = ig_vlan_rewrite_mode, a1 = 0; + int wait = 1000; + + if (vnic_dev_capable(vdev, CMD_IG_VLAN_REWRITE_MODE)) + return vnic_dev_cmd(vdev, CMD_IG_VLAN_REWRITE_MODE, + &a0, &a1, wait); + else + return 0; +} + +int vnic_dev_raise_intr(struct vnic_dev *vdev, u16 intr) +{ + u64 a0 = intr, a1 = 0; + int wait = 1000; + int err; + + err = vnic_dev_cmd(vdev, CMD_IAR, &a0, &a1, wait); + if (err) + pr_err("Failed to raise INTR[%d], err %d\n", intr, err); + + return err; +} + +void vnic_dev_set_reset_flag(struct vnic_dev *vdev, int state) +{ + vdev->in_reset = state; +} + +static inline int vnic_dev_in_reset(struct vnic_dev *vdev) +{ + return vdev->in_reset; +} + +int vnic_dev_notify_setcmd(struct vnic_dev *vdev, + void *notify_addr, dma_addr_t notify_pa, u16 intr) +{ + u64 a0, a1; + int wait = 1000; + int r; + + memset(notify_addr, 0, sizeof(struct vnic_devcmd_notify)); + if (!vnic_dev_in_reset(vdev)) { + vdev->notify = notify_addr; + vdev->notify_pa = notify_pa; + } + + a0 = (u64)notify_pa; + a1 = ((u64)intr << 32) & 0x0000ffff00000000ULL; + a1 += sizeof(struct vnic_devcmd_notify); + + r = vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); + if (!vnic_dev_in_reset(vdev)) + vdev->notify_sz = (r == 0) ? (u32)a1 : 0; + + return r; +} + +int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr) +{ + void *notify_addr = NULL; + dma_addr_t notify_pa = 0; + char name[NAME_MAX]; + static u32 instance; + + if (vdev->notify || vdev->notify_pa) { + pr_warn("notify block %p still allocated.\n" \ + "Ignore if restarting port\n", vdev->notify); + return -EINVAL; + } + + if (!vnic_dev_in_reset(vdev)) { + snprintf((char *)name, sizeof(name), + "vnic_notify-%d", instance++); + notify_addr = vdev->alloc_consistent(vdev->priv, + sizeof(struct vnic_devcmd_notify), + ¬ify_pa, (u8 *)name); + if (!notify_addr) + return -ENOMEM; + } + + return vnic_dev_notify_setcmd(vdev, notify_addr, notify_pa, intr); +} + +int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev) +{ + u64 a0, a1; + int wait = 1000; + int err; + + a0 = 0; /* paddr = 0 to unset notify buffer */ + a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */ + a1 += sizeof(struct vnic_devcmd_notify); + + err = vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); + if (!vnic_dev_in_reset(vdev)) { + vdev->notify = NULL; + vdev->notify_pa = 0; + vdev->notify_sz = 0; + } + + return err; +} + +int vnic_dev_notify_unset(struct vnic_dev *vdev) +{ + if (vdev->notify && !vnic_dev_in_reset(vdev)) { + vdev->free_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_notify), + vdev->notify, + vdev->notify_pa); + } + + return vnic_dev_notify_unsetcmd(vdev); +} + +static int vnic_dev_notify_ready(struct vnic_dev *vdev) +{ + u32 *words; + unsigned int nwords = vdev->notify_sz / 4; + unsigned int i; + u32 csum; + + if (!vdev->notify || !vdev->notify_sz) + return 0; + + do { + csum = 0; + rte_memcpy(&vdev->notify_copy, vdev->notify, vdev->notify_sz); + words = (u32 *)&vdev->notify_copy; + for (i = 1; i < nwords; i++) + csum += words[i]; + } while (csum != words[0]); + + return 1; +} + +int vnic_dev_init(struct vnic_dev *vdev, int arg) +{ + u64 a0 = (u32)arg, a1 = 0; + int wait = 1000; + int r = 0; + + if (vnic_dev_capable(vdev, CMD_INIT)) + r = vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait); + else { + vnic_dev_cmd(vdev, CMD_INIT_v1, &a0, &a1, wait); + if (a0 & CMD_INITF_DEFAULT_MAC) { + /* Emulate these for old CMD_INIT_v1 which + * didn't pass a0 so no CMD_INITF_*. + */ + vnic_dev_cmd(vdev, CMD_GET_MAC_ADDR, &a0, &a1, wait); + vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait); + } + } + return r; +} + +int vnic_dev_deinit(struct vnic_dev *vdev) +{ + u64 a0 = 0, a1 = 0; + int wait = 1000; + + return vnic_dev_cmd(vdev, CMD_DEINIT, &a0, &a1, wait); +} + +void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev) +{ + /* Default: hardware intr coal timer is in units of 1.5 usecs */ + vdev->intr_coal_timer_info.mul = 2; + vdev->intr_coal_timer_info.div = 3; + vdev->intr_coal_timer_info.max_usec = + vnic_dev_intr_coal_timer_hw_to_usec(vdev, 0xffff); +} + +int vnic_dev_link_status(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.link_state; +} + +u32 vnic_dev_port_speed(struct vnic_dev *vdev) +{ + if (!vnic_dev_notify_ready(vdev)) + return 0; + + return vdev->notify_copy.port_speed; +} + +void vnic_dev_set_intr_mode(struct vnic_dev *vdev, + enum vnic_dev_intr_mode intr_mode) +{ + vdev->intr_mode = intr_mode; +} + +enum vnic_dev_intr_mode vnic_dev_get_intr_mode( + struct vnic_dev *vdev) +{ + return vdev->intr_mode; +} + +u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec) +{ + return (usec * vdev->intr_coal_timer_info.mul) / + vdev->intr_coal_timer_info.div; +} + +u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles) +{ + return (hw_cycles * vdev->intr_coal_timer_info.div) / + vdev->intr_coal_timer_info.mul; +} + +u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev) +{ + return vdev->intr_coal_timer_info.max_usec; +} + +void vnic_dev_unregister(struct vnic_dev *vdev) +{ + if (vdev) { + if (vdev->notify) + vdev->free_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_notify), + vdev->notify, + vdev->notify_pa); + if (vdev->stats) + vdev->free_consistent(vdev->pdev, + sizeof(struct vnic_stats), + vdev->stats, vdev->stats_pa); + if (vdev->fw_info) + vdev->free_consistent(vdev->pdev, + sizeof(struct vnic_devcmd_fw_info), + vdev->fw_info, vdev->fw_info_pa); + kfree(vdev); + } +} + +struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, + void *priv, struct rte_pci_device *pdev, struct vnic_dev_bar *bar, + unsigned int num_bars) +{ + if (!vdev) { + vdev = kzalloc(sizeof(struct vnic_dev), GFP_ATOMIC); + if (!vdev) + return NULL; + } + + vdev->priv = priv; + vdev->pdev = pdev; + + if (vnic_dev_discover_res(vdev, bar, num_bars)) + goto err_out; + + vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); + if (!vdev->devcmd) + goto err_out; + + return vdev; + +err_out: + vnic_dev_unregister(vdev); + return NULL; +} + +struct rte_pci_device *vnic_dev_get_pdev(struct vnic_dev *vdev) +{ + return vdev->pdev; +} + +int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr) +{ + u64 a0, a1 = 0; + int wait = 1000; + int i; + + for (i = 0; i < ETH_ALEN; i++) + ((u8 *)&a0)[i] = mac_addr[i]; + + return vnic_dev_cmd(vdev, CMD_SET_MAC_ADDR, &a0, &a1, wait); +} + +/* + * vnic_dev_classifier: Add/Delete classifier entries + * @vdev: vdev of the device + * @cmd: CLSF_ADD for Add filter + * CLSF_DEL for Delete filter + * @entry: In case of ADD filter, the caller passes the RQ number in this + * variable. + * This function stores the filter_id returned by the + * firmware in the same variable before return; + * + * In case of DEL filter, the caller passes the RQ number. Return + * value is irrelevant. + * @data: filter data + */ +int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry, + struct filter *data) +{ + u64 a0, a1; + int wait = 1000; + dma_addr_t tlv_pa; + int ret = -EINVAL; + struct filter_tlv *tlv, *tlv_va; + struct filter_action *action; + u64 tlv_size; + static unsigned int unique_id; + char z_name[RTE_MEMZONE_NAMESIZE]; + + if (cmd == CLSF_ADD) { + tlv_size = sizeof(struct filter) + + sizeof(struct filter_action) + + 2*sizeof(struct filter_tlv); + snprintf((char *)z_name, sizeof(z_name), + "vnic_clsf_%d", unique_id++); + tlv_va = vdev->alloc_consistent(vdev->priv, + tlv_size, &tlv_pa, (u8 *)z_name); + if (!tlv_va) + return -ENOMEM; + tlv = tlv_va; + a0 = tlv_pa; + a1 = tlv_size; + memset(tlv, 0, tlv_size); + tlv->type = CLSF_TLV_FILTER; + tlv->length = sizeof(struct filter); + *(struct filter *)&tlv->val = *data; + + tlv = (struct filter_tlv *)((char *)tlv + + sizeof(struct filter_tlv) + + sizeof(struct filter)); + + tlv->type = CLSF_TLV_ACTION; + tlv->length = sizeof(struct filter_action); + action = (struct filter_action *)&tlv->val; + action->type = FILTER_ACTION_RQ_STEERING; + action->u.rq_idx = *entry; + + ret = vnic_dev_cmd(vdev, CMD_ADD_FILTER, &a0, &a1, wait); + *entry = (u16)a0; + vdev->free_consistent(vdev->pdev, tlv_size, tlv_va, tlv_pa); + } else if (cmd == CLSF_DEL) { + a0 = *entry; + ret = vnic_dev_cmd(vdev, CMD_DEL_FILTER, &a0, &a1, wait); + } + + return ret; +} diff --git a/drivers/enic/vnic/vnic_dev.h b/drivers/enic/vnic/vnic_dev.h new file mode 100644 index 0000000..f583357 --- /dev/null +++ b/drivers/enic/vnic/vnic_dev.h @@ -0,0 +1,212 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_dev.h 196958 2014-11-04 18:23:37Z xuywang $" + +#ifndef _VNIC_DEV_H_ +#define _VNIC_DEV_H_ + +#include "enic_compat.h" +#include "rte_pci.h" +#include "vnic_resource.h" +#include "vnic_devcmd.h" + +#ifndef VNIC_PADDR_TARGET +#define VNIC_PADDR_TARGET 0x0000000000000000ULL +#endif + +#ifndef readq +static inline u64 readq(void __iomem *reg) +{ + return ((u64)readl((char *)reg + 0x4UL) << 32) | + (u64)readl(reg); +} + +static inline void writeq(u64 val, void __iomem *reg) +{ + writel(val & 0xffffffff, reg); + writel((u32)(val >> 32), (char *)reg + 0x4UL); +} +#endif + +#undef pr_fmt +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt + +enum vnic_dev_intr_mode { + VNIC_DEV_INTR_MODE_UNKNOWN, + VNIC_DEV_INTR_MODE_INTX, + VNIC_DEV_INTR_MODE_MSI, + VNIC_DEV_INTR_MODE_MSIX, +}; + +struct vnic_dev_bar { + void __iomem *vaddr; + dma_addr_t bus_addr; + unsigned long len; +}; + +struct vnic_dev_ring { + void *descs; + size_t size; + dma_addr_t base_addr; + size_t base_align; + void *descs_unaligned; + size_t size_unaligned; + dma_addr_t base_addr_unaligned; + unsigned int desc_size; + unsigned int desc_count; + unsigned int desc_avail; +}; + +struct vnic_dev_iomap_info { + dma_addr_t bus_addr; + unsigned long len; + void __iomem *vaddr; +}; + +struct vnic_dev; +struct vnic_stats; + +void *vnic_dev_priv(struct vnic_dev *vdev); +unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, + enum vnic_res_type type); +void vnic_register_cbacks(struct vnic_dev *vdev, + void *(*alloc_consistent)(void *priv, size_t size, + dma_addr_t *dma_handle, u8 *name), + void (*free_consistent)(struct rte_pci_device *hwdev, + size_t size, void *vaddr, + dma_addr_t dma_handle)); +void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, + unsigned int index); +dma_addr_t vnic_dev_get_res_bus_addr(struct vnic_dev *vdev, + enum vnic_res_type type, unsigned int index); +uint8_t vnic_dev_get_res_bar(struct vnic_dev *vdev, + enum vnic_res_type type); +uint32_t vnic_dev_get_res_offset(struct vnic_dev *vdev, + enum vnic_res_type type, unsigned int index); +unsigned long vnic_dev_get_res_type_len(struct vnic_dev *vdev, + enum vnic_res_type type); +unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size); +void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring); +void vnic_set_hdr_split_size(struct vnic_dev *vdev, u16 size); +u16 vnic_get_hdr_split_size(struct vnic_dev *vdev); +int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, + unsigned int desc_count, unsigned int desc_size, unsigned int socket_id, + char *z_name); +void vnic_dev_free_desc_ring(struct vnic_dev *vdev, + struct vnic_dev_ring *ring); +int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + u64 *a0, u64 *a1, int wait); +int vnic_dev_cmd_args(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, + u64 *args, int nargs, int wait); +void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index); +void vnic_dev_cmd_proxy_by_bdf_start(struct vnic_dev *vdev, u16 bdf); +void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev); +int vnic_dev_fw_info(struct vnic_dev *vdev, + struct vnic_devcmd_fw_info **fw_info); +int vnic_dev_asic_info(struct vnic_dev *vdev, u16 *asic_type, u16 *asic_rev); +int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, size_t size, + void *value); +int vnic_dev_stats_clear(struct vnic_dev *vdev); +int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats); +int vnic_dev_hang_notify(struct vnic_dev *vdev); +int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, + int broadcast, int promisc, int allmulti); +int vnic_dev_packet_filter_all(struct vnic_dev *vdev, int directed, + int multicast, int broadcast, int promisc, int allmulti); +int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr); +int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr); +int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); +int vnic_dev_raise_intr(struct vnic_dev *vdev, u16 intr); +int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr); +void vnic_dev_set_reset_flag(struct vnic_dev *vdev, int state); +int vnic_dev_notify_unset(struct vnic_dev *vdev); +int vnic_dev_notify_setcmd(struct vnic_dev *vdev, + void *notify_addr, dma_addr_t notify_pa, u16 intr); +int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev); +int vnic_dev_link_status(struct vnic_dev *vdev); +u32 vnic_dev_port_speed(struct vnic_dev *vdev); +u32 vnic_dev_msg_lvl(struct vnic_dev *vdev); +u32 vnic_dev_mtu(struct vnic_dev *vdev); +u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev); +u32 vnic_dev_notify_status(struct vnic_dev *vdev); +u32 vnic_dev_uif(struct vnic_dev *vdev); +int vnic_dev_close(struct vnic_dev *vdev); +int vnic_dev_enable(struct vnic_dev *vdev); +int vnic_dev_enable_wait(struct vnic_dev *vdev); +int vnic_dev_disable(struct vnic_dev *vdev); +int vnic_dev_open(struct vnic_dev *vdev, int arg); +int vnic_dev_open_done(struct vnic_dev *vdev, int *done); +int vnic_dev_init(struct vnic_dev *vdev, int arg); +int vnic_dev_init_done(struct vnic_dev *vdev, int *done, int *err); +int vnic_dev_init_prov(struct vnic_dev *vdev, u8 *buf, u32 len); +int vnic_dev_deinit(struct vnic_dev *vdev); +void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev); +int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev); +int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg); +int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done); +int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg); +int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done); +void vnic_dev_set_intr_mode(struct vnic_dev *vdev, + enum vnic_dev_intr_mode intr_mode); +enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev); +u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec); +u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles); +u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev); +void vnic_dev_unregister(struct vnic_dev *vdev); +int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev, + u8 ig_vlan_rewrite_mode); +struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, + void *priv, struct rte_pci_device *pdev, struct vnic_dev_bar *bar, + unsigned int num_bars); +struct rte_pci_device *vnic_dev_get_pdev(struct vnic_dev *vdev); +int vnic_dev_cmd_init(struct vnic_dev *vdev, int fallback); +int vnic_dev_get_size(void); +int vnic_dev_int13(struct vnic_dev *vdev, u64 arg, u32 op); +int vnic_dev_perbi(struct vnic_dev *vdev, u64 arg, u32 op); +u32 vnic_dev_perbi_rebuild_cnt(struct vnic_dev *vdev); +int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len); +int vnic_dev_enable2(struct vnic_dev *vdev, int active); +int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status); +int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status); +int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); +int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry, + struct filter *data); +#ifdef ENIC_VXLAN +int vnic_dev_overlay_offload_enable_disable(struct vnic_dev *vdev, + u8 overlay, u8 config); +int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay, + u16 vxlan_udp_port_number); +#endif +#endif /* _VNIC_DEV_H_ */ diff --git a/drivers/enic/vnic/vnic_devcmd.h b/drivers/enic/vnic/vnic_devcmd.h new file mode 100644 index 0000000..e7ecf31 --- /dev/null +++ b/drivers/enic/vnic/vnic_devcmd.h @@ -0,0 +1,774 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_devcmd.h 173135 2014-05-16 03:14:07Z sanpilla $" + +#ifndef _VNIC_DEVCMD_H_ +#define _VNIC_DEVCMD_H_ + +#define _CMD_NBITS 14 +#define _CMD_VTYPEBITS 10 +#define _CMD_FLAGSBITS 6 +#define _CMD_DIRBITS 2 + +#define _CMD_NMASK ((1 << _CMD_NBITS)-1) +#define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1) +#define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1) +#define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1) + +#define _CMD_NSHIFT 0 +#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS) +#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS) +#define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS) + +/* + * Direction bits (from host perspective). + */ +#define _CMD_DIR_NONE 0U +#define _CMD_DIR_WRITE 1U +#define _CMD_DIR_READ 2U +#define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ) + +/* + * Flag bits. + */ +#define _CMD_FLAGS_NONE 0U +#define _CMD_FLAGS_NOWAIT 1U + +/* + * vNIC type bits. + */ +#define _CMD_VTYPE_NONE 0U +#define _CMD_VTYPE_ENET 1U +#define _CMD_VTYPE_FC 2U +#define _CMD_VTYPE_SCSI 4U +#define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI) + +/* + * Used to create cmds.. + */ +#define _CMDCF(dir, flags, vtype, nr) \ + (((dir) << _CMD_DIRSHIFT) | \ + ((flags) << _CMD_FLAGSSHIFT) | \ + ((vtype) << _CMD_VTYPESHIFT) | \ + ((nr) << _CMD_NSHIFT)) +#define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr) +#define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr) + +/* + * Used to decode cmds.. + */ +#define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK) +#define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK) +#define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK) +#define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK) + +enum vnic_devcmd_cmd { + CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0), + + /* + * mcpu fw info in mem: + * in: + * (u64)a0=paddr to struct vnic_devcmd_fw_info + * action: + * Fills in struct vnic_devcmd_fw_info (128 bytes) + * note: + * An old definition of CMD_MCPU_FW_INFO + */ + CMD_MCPU_FW_INFO_OLD = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1), + + /* + * mcpu fw info in mem: + * in: + * (u64)a0=paddr to struct vnic_devcmd_fw_info + * (u16)a1=size of the structure + * out: + * (u16)a1=0 for in:a1 = 0, + * data size actually written for other values. + * action: + * Fills in first 128 bytes of vnic_devcmd_fw_info for in:a1 = 0, + * first in:a1 bytes for 0 < in:a1 <= 132, + * 132 bytes for other values of in:a1. + * note: + * CMD_MCPU_FW_INFO and CMD_MCPU_FW_INFO_OLD have the same enum 1 + * for source compatibility. + */ + CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 1), + + /* dev-specific block member: + * in: (u16)a0=offset,(u8)a1=size + * out: a0=value */ + CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2), + + /* stats clear */ + CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3), + + /* stats dump in mem: (u64)a0=paddr to stats area, + * (u16)a1=sizeof stats area */ + CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4), + + /* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */ + CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7), + + /* set Rx packet filter for all: (u32)a0=filters (see CMD_PFILTER_*) */ + CMD_PACKET_FILTER_ALL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 7), + + /* hang detection notification */ + CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8), + + /* MAC address in (u48)a0 */ + CMD_GET_MAC_ADDR = _CMDC(_CMD_DIR_READ, + _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9), + + /* add addr from (u48)a0 */ + CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE, + _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12), + + /* del addr from (u48)a0 */ + CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE, + _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13), + + /* add VLAN id in (u16)a0 */ + CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14), + + /* del VLAN id in (u16)a0 */ + CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15), + + /* nic_cfg in (u32)a0 */ + CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16), + + /* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */ + CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17), + + /* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */ + CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18), + + /* initiate softreset */ + CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19), + + /* softreset status: + * out: a0=0 reset complete, a0=1 reset in progress */ + CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20), + + /* set struct vnic_devcmd_notify buffer in mem: + * in: + * (u64)a0=paddr to notify (set paddr=0 to unset) + * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify) + * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr) + * out: + * (u32)a1 = effective size + */ + CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21), + + /* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct, + * (u8)a1=PXENV_UNDI_xxx */ + CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22), + + /* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */ + CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23), + + /* open status: + * out: a0=0 open complete, a0=1 open in progress */ + CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24), + + /* close vnic */ + CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25), + + /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */ +/***** Replaced by CMD_INIT *****/ + CMD_INIT_v1 = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26), + + /* variant of CMD_INIT, with provisioning info + * (u64)a0=paddr of vnic_devcmd_provinfo + * (u32)a1=sizeof provision info */ + CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27), + + /* enable virtual link */ + CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28), + + /* enable virtual link, waiting variant. */ + CMD_ENABLE_WAIT = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28), + + /* disable virtual link */ + CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29), + + /* stats dump sum of all vnic stats on same uplink in mem: + * (u64)a0=paddr + * (u16)a1=sizeof stats area */ + CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30), + + /* init status: + * out: a0=0 init complete, a0=1 init in progress + * if a0=0, a1=errno */ + CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31), + + /* INT13 API: (u64)a0=paddr to vnic_int13_params struct + * (u32)a1=INT13_CMD_xxx */ + CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32), + + /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */ + CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33), + + /* undo initialize of virtual link */ + CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34), + + /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */ + CMD_INIT = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 35), + + /* check fw capability of a cmd: + * in: (u32)a0=cmd + * out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */ + CMD_CAPABILITY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36), + + /* persistent binding info + * in: (u64)a0=paddr of arg + * (u32)a1=CMD_PERBI_XXX */ + CMD_PERBI = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37), + + /* Interrupt Assert Register functionality + * in: (u16)a0=interrupt number to assert + */ + CMD_IAR = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38), + + /* initiate hangreset, like softreset after hang detected */ + CMD_HANG_RESET = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39), + + /* hangreset status: + * out: a0=0 reset complete, a0=1 reset in progress */ + CMD_HANG_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40), + + /* + * Set hw ingress packet vlan rewrite mode: + * in: (u32)a0=new vlan rewrite mode + * out: (u32)a0=old vlan rewrite mode */ + CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41), + + /* + * in: (u16)a0=bdf of target vnic + * (u32)a1=cmd to proxy + * a2-a15=args to cmd in a1 + * out: (u32)a0=status of proxied cmd + * a1-a15=out args of proxied cmd */ + CMD_PROXY_BY_BDF = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42), + + /* + * As for BY_BDF except a0 is index of hvnlink subordinate vnic + * or SR-IOV virtual vnic + */ + CMD_PROXY_BY_INDEX = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43), + + /* + * For HPP toggle: + * adapter-info-get + * in: (u64)a0=phsical address of buffer passed in from caller. + * (u16)a1=size of buffer specified in a0. + * out: (u64)a0=phsical address of buffer passed in from caller. + * (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or + * 0 if no VIF-CONFIG-INFO TLV was ever received. */ + CMD_CONFIG_INFO_GET = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44), + + /* + * INT13 API: (u64)a0=paddr to vnic_int13_params struct + * (u32)a1=INT13_CMD_xxx + */ + CMD_INT13_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 45), + + /* + * Set default vlan: + * in: (u16)a0=new default vlan + * (u16)a1=zero for overriding vlan with param a0, + * non-zero for resetting vlan to the default + * out: (u16)a0=old default vlan + */ + CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46), + + /* init_prov_info2: + * Variant of CMD_INIT_PROV_INFO, where it will not try to enable + * the vnic until CMD_ENABLE2 is issued. + * (u64)a0=paddr of vnic_devcmd_provinfo + * (u32)a1=sizeof provision info */ + CMD_INIT_PROV_INFO2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47), + + /* enable2: + * (u32)a0=0 ==> standby + * =CMD_ENABLE2_ACTIVE ==> active + */ + CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48), + + /* + * cmd_status: + * Returns the status of the specified command + * Input: + * a0 = command for which status is being queried. + * Possible values are: + * CMD_SOFT_RESET + * CMD_HANG_RESET + * CMD_OPEN + * CMD_INIT + * CMD_INIT_PROV_INFO + * CMD_DEINIT + * CMD_INIT_PROV_INFO2 + * CMD_ENABLE2 + * Output: + * if status == STAT_ERROR + * a0 = ERR_ENOTSUPPORTED - status for command in a0 is + * not supported + * if status == STAT_NONE + * a0 = status of the devcmd specified in a0 as follows. + * ERR_SUCCESS - command in a0 completed successfully + * ERR_EINPROGRESS - command in a0 is still in progress + */ + CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49), + + /* + * Returns interrupt coalescing timer conversion factors. + * After calling this devcmd, ENIC driver can convert + * interrupt coalescing timer in usec into CPU cycles as follows: + * + * intr_timer_cycles = intr_timer_usec * multiplier / divisor + * + * Interrupt coalescing timer in usecs can be be converted/obtained + * from CPU cycles as follows: + * + * intr_timer_usec = intr_timer_cycles * divisor / multiplier + * + * in: none + * out: (u32)a0 = multiplier + * (u32)a1 = divisor + * (u32)a2 = maximum timer value in usec + */ + CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50), + + /* + * ISCSI DUMP API: + * in: (u64)a0=paddr of the param or param itself + * (u32)a1=ISCSI_CMD_xxx + */ + CMD_ISCSI_DUMP_REQ = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 51), + + /* + * ISCSI DUMP STATUS API: + * in: (u32)a0=cmd tag + * in: (u32)a1=ISCSI_CMD_xxx + * out: (u32)a0=cmd status + */ + CMD_ISCSI_DUMP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 52), + + /* + * Subvnic migration from MQ <--> VF. + * Enable the LIF migration from MQ to VF and vice versa. MQ and VF + * indexes are statically bound at the time of initialization. + * Based on the + * direction of migration, the resources of either MQ or the VF shall + * be attached to the LIF. + * in: (u32)a0=Direction of Migration + * 0=> Migrate to VF + * 1=> Migrate to MQ + * (u32)a1=VF index (MQ index) + */ + CMD_MIGRATE_SUBVNIC = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 53), + + + /* + * Register / Deregister the notification block for MQ subvnics + * in: + * (u64)a0=paddr to notify (set paddr=0 to unset) + * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify) + * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr) + * out: + * (u32)a1 = effective size + */ + CMD_SUBVNIC_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 54), + + /* + * Set the predefined mac address as default + * in: + * (u48)a0=mac addr + */ + CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55), + + /* Update the provisioning info of the given VIF + * (u64)a0=paddr of vnic_devcmd_provinfo + * (u32)a1=sizeof provision info */ + CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56), + + /* + * Initialization for the devcmd2 interface. + * in: (u64) a0=host result buffer physical address + * in: (u16) a1=number of entries in result buffer + */ + CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57), + + /* + * Add a filter. + * in: (u64) a0= filter address + * (u32) a1= size of filter + * out: (u32) a0=filter identifier + */ + CMD_ADD_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 58), + + /* + * Delete a filter. + * in: (u32) a0=filter identifier + */ + CMD_DEL_FILTER = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 59), + + /* + * Enable a Queue Pair in User space NIC + * in: (u32) a0=Queue Pair number + * (u32) a1= command + */ + CMD_QP_ENABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 60), + + /* + * Disable a Queue Pair in User space NIC + * in: (u32) a0=Queue Pair number + * (u32) a1= command + */ + CMD_QP_DISABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 61), + + /* + * Stats dump Queue Pair in User space NIC + * in: (u32) a0=Queue Pair number + * (u64) a1=host buffer addr for status dump + * (u32) a2=length of the buffer + */ + CMD_QP_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 62), + + /* + * Clear stats for Queue Pair in User space NIC + * in: (u32) a0=Queue Pair number + */ + CMD_QP_STATS_CLEAR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 63), + + /* + * Enable/Disable overlay offloads on the given vnic + * in: (u8) a0 = OVERLAY_FEATURE_NVGRE : NVGRE + * a0 = OVERLAY_FEATURE_VXLAN : VxLAN + * in: (u8) a1 = OVERLAY_OFFLOAD_ENABLE : Enable + * a1 = OVERLAY_OFFLOAD_DISABLE : Disable + */ + CMD_OVERLAY_OFFLOAD_ENABLE_DISABLE = + _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 72), + + /* + * Configuration of overlay offloads feature on a given vNIC + * in: (u8) a0 = DEVCMD_OVERLAY_NVGRE : NVGRE + * a0 = DEVCMD_OVERLAY_VXLAN : VxLAN + * in: (u8) a1 = VXLAN_PORT_UPDATE : VxLAN + * in: (u16) a2 = unsigned short int port information + */ + CMD_OVERLAY_OFFLOAD_CFG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 73), +}; + +/* CMD_ENABLE2 flags */ +#define CMD_ENABLE2_STANDBY 0x0 +#define CMD_ENABLE2_ACTIVE 0x1 + +/* flags for CMD_OPEN */ +#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */ + +/* flags for CMD_INIT */ +#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */ + +/* flags for CMD_PACKET_FILTER */ +#define CMD_PFILTER_DIRECTED 0x01 +#define CMD_PFILTER_MULTICAST 0x02 +#define CMD_PFILTER_BROADCAST 0x04 +#define CMD_PFILTER_PROMISCUOUS 0x08 +#define CMD_PFILTER_ALL_MULTICAST 0x10 + +/* Commands for CMD_QP_ENABLE/CM_QP_DISABLE */ +#define CMD_QP_RQWQ 0x0 + +/* rewrite modes for CMD_IG_VLAN_REWRITE_MODE */ +#define IG_VLAN_REWRITE_MODE_DEFAULT_TRUNK 0 +#define IG_VLAN_REWRITE_MODE_UNTAG_DEFAULT_VLAN 1 +#define IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN 2 +#define IG_VLAN_REWRITE_MODE_PASS_THRU 3 + +enum vnic_devcmd_status { + STAT_NONE = 0, + STAT_BUSY = 1 << 0, /* cmd in progress */ + STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */ +}; + +enum vnic_devcmd_error { + ERR_SUCCESS = 0, + ERR_EINVAL = 1, + ERR_EFAULT = 2, + ERR_EPERM = 3, + ERR_EBUSY = 4, + ERR_ECMDUNKNOWN = 5, + ERR_EBADSTATE = 6, + ERR_ENOMEM = 7, + ERR_ETIMEDOUT = 8, + ERR_ELINKDOWN = 9, + ERR_EMAXRES = 10, + ERR_ENOTSUPPORTED = 11, + ERR_EINPROGRESS = 12, + ERR_MAX +}; + +/* + * note: hw_version and asic_rev refer to the same thing, + * but have different formats. hw_version is + * a 32-byte string (e.g. "A2") and asic_rev is + * a 16-bit integer (e.g. 0xA2). + */ +struct vnic_devcmd_fw_info { + char fw_version[32]; + char fw_build[32]; + char hw_version[32]; + char hw_serial_number[32]; + u16 asic_type; + u16 asic_rev; +}; + +enum fwinfo_asic_type { + FWINFO_ASIC_TYPE_UNKNOWN, + FWINFO_ASIC_TYPE_PALO, + FWINFO_ASIC_TYPE_SERENO, +}; + + +struct vnic_devcmd_notify { + u32 csum; /* checksum over following words */ + + u32 link_state; /* link up == 1 */ + u32 port_speed; /* effective port speed (rate limit) */ + u32 mtu; /* MTU */ + u32 msglvl; /* requested driver msg lvl */ + u32 uif; /* uplink interface */ + u32 status; /* status bits (see VNIC_STF_*) */ + u32 error; /* error code (see ERR_*) for first ERR */ + u32 link_down_cnt; /* running count of link down transitions */ + u32 perbi_rebuild_cnt; /* running count of perbi rebuilds */ +}; +#define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */ +#define VNIC_STF_STD_PAUSE 0x0002 /* standard link-level pause on */ +#define VNIC_STF_PFC_PAUSE 0x0004 /* priority flow control pause on */ +/* all supported status flags */ +#define VNIC_STF_ALL (VNIC_STF_FATAL_ERR |\ + VNIC_STF_STD_PAUSE |\ + VNIC_STF_PFC_PAUSE |\ + 0) + +struct vnic_devcmd_provinfo { + u8 oui[3]; + u8 type; + u8 data[0]; +}; + +/* + * These are used in flags field of different filters to denote + * valid fields used. + */ +#define FILTER_FIELD_VALID(fld) (1 << (fld - 1)) + +#define FILTER_FIELDS_USNIC (FILTER_FIELD_VALID(1) | \ + FILTER_FIELD_VALID(2) | \ + FILTER_FIELD_VALID(3) | \ + FILTER_FIELD_VALID(4)) + +#define FILTER_FIELDS_IPV4_5TUPLE (FILTER_FIELD_VALID(1) | \ + FILTER_FIELD_VALID(2) | \ + FILTER_FIELD_VALID(3) | \ + FILTER_FIELD_VALID(4) | \ + FILTER_FIELD_VALID(5)) + +#define FILTER_FIELDS_MAC_VLAN (FILTER_FIELD_VALID(1) | \ + FILTER_FIELD_VALID(2)) + +#define FILTER_FIELD_USNIC_VLAN FILTER_FIELD_VALID(1) +#define FILTER_FIELD_USNIC_ETHTYPE FILTER_FIELD_VALID(2) +#define FILTER_FIELD_USNIC_PROTO FILTER_FIELD_VALID(3) +#define FILTER_FIELD_USNIC_ID FILTER_FIELD_VALID(4) + +struct filter_usnic_id { + u32 flags; + u16 vlan; + u16 ethtype; + u8 proto_version; + u32 usnic_id; +} __attribute__((packed)); + +#define FILTER_FIELD_5TUP_PROTO FILTER_FIELD_VALID(1) +#define FILTER_FIELD_5TUP_SRC_AD FILTER_FIELD_VALID(2) +#define FILTER_FIELD_5TUP_DST_AD FILTER_FIELD_VALID(3) +#define FILTER_FIELD_5TUP_SRC_PT FILTER_FIELD_VALID(4) +#define FILTER_FIELD_5TUP_DST_PT FILTER_FIELD_VALID(5) + +/* Enums for the protocol field. */ +enum protocol_e { + PROTO_UDP = 0, + PROTO_TCP = 1, +}; + +struct filter_ipv4_5tuple { + u32 flags; + u32 protocol; + u32 src_addr; + u32 dst_addr; + u16 src_port; + u16 dst_port; +} __attribute__((packed)); + +#define FILTER_FIELD_VMQ_VLAN FILTER_FIELD_VALID(1) +#define FILTER_FIELD_VMQ_MAC FILTER_FIELD_VALID(2) + +struct filter_mac_vlan { + u32 flags; + u16 vlan; + u8 mac_addr[6]; +} __attribute__((packed)); + +/* Specifies the filter_action type. */ +enum { + FILTER_ACTION_RQ_STEERING = 0, + FILTER_ACTION_MAX +}; + +struct filter_action { + u32 type; + union { + u32 rq_idx; + } u; +} __attribute__((packed)); + +/* Specifies the filter type. */ +enum filter_type { + FILTER_USNIC_ID = 0, + FILTER_IPV4_5TUPLE = 1, + FILTER_MAC_VLAN = 2, + FILTER_MAX +}; + +struct filter { + u32 type; + union { + struct filter_usnic_id usnic; + struct filter_ipv4_5tuple ipv4; + struct filter_mac_vlan mac_vlan; + } u; +} __attribute__((packed)); + +enum { + CLSF_TLV_FILTER = 0, + CLSF_TLV_ACTION = 1, +}; + +#define FILTER_MAX_BUF_SIZE 100 /* Maximum size of buffer to CMD_ADD_FILTER */ + +struct filter_tlv { + uint32_t type; + uint32_t length; + uint32_t val[0]; +}; + +enum { + CLSF_ADD = 0, + CLSF_DEL = 1, +}; + +/* + * Writing cmd register causes STAT_BUSY to get set in status register. + * When cmd completes, STAT_BUSY will be cleared. + * + * If cmd completed successfully STAT_ERROR will be clear + * and args registers contain cmd-specific results. + * + * If cmd error, STAT_ERROR will be set and args[0] contains error code. + * + * status register is read-only. While STAT_BUSY is set, + * all other register contents are read-only. + */ + +/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */ +#define VNIC_DEVCMD_NARGS 15 +struct vnic_devcmd { + u32 status; /* RO */ + u32 cmd; /* RW */ + u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */ +}; + +/* + * Version 2 of the interface. + * + * Some things are carried over, notably the vnic_devcmd_cmd enum. + */ + +/* + * Flags for vnic_devcmd2.flags + */ + +#define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */ + +#define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS +struct vnic_devcmd2 { + u16 pad; + u16 flags; + u32 cmd; /* same command #defines as original */ + u64 args[VNIC_DEVCMD2_NARGS]; +}; + +#define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS +struct devcmd2_result { + u64 results[VNIC_DEVCMD2_NRESULTS]; + u32 pad; + u16 completed_index; /* into copy WQ */ + u8 error; /* same error codes as original */ + u8 color; /* 0 or 1 as with completion queues */ +}; + +#define DEVCMD2_RING_SIZE 32 +#define DEVCMD2_DESC_SIZE 128 + +#define DEVCMD2_RESULTS_SIZE_MAX ((1 << 16) - 1) + +/* Overlay related definitions */ + +/* + * This enum lists the flag associated with each of the overlay features + */ +typedef enum { + OVERLAY_FEATURE_NVGRE = 1, + OVERLAY_FEATURE_VXLAN, + OVERLAY_FEATURE_MAX, +} overlay_feature_t; + +#define OVERLAY_OFFLOAD_ENABLE 0 +#define OVERLAY_OFFLOAD_DISABLE 1 + +#define OVERLAY_CFG_VXLAN_PORT_UPDATE 0 +#endif /* _VNIC_DEVCMD_H_ */ diff --git a/drivers/enic/vnic/vnic_enet.h b/drivers/enic/vnic/vnic_enet.h new file mode 100644 index 0000000..9d3cc07 --- /dev/null +++ b/drivers/enic/vnic/vnic_enet.h @@ -0,0 +1,78 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_enet.h 175806 2014-06-04 19:31:17Z rfaucett $" + +#ifndef _VNIC_ENIC_H_ +#define _VNIC_ENIC_H_ + +/* Device-specific region: enet configuration */ +struct vnic_enet_config { + u32 flags; + u32 wq_desc_count; + u32 rq_desc_count; + u16 mtu; + u16 intr_timer_deprecated; + u8 intr_timer_type; + u8 intr_mode; + char devname[16]; + u32 intr_timer_usec; + u16 loop_tag; + u16 vf_rq_count; + u16 num_arfs; + u64 mem_paddr; +}; + +#define VENETF_TSO 0x1 /* TSO enabled */ +#define VENETF_LRO 0x2 /* LRO enabled */ +#define VENETF_RXCSUM 0x4 /* RX csum enabled */ +#define VENETF_TXCSUM 0x8 /* TX csum enabled */ +#define VENETF_RSS 0x10 /* RSS enabled */ +#define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */ +#define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */ +#define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */ +#define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */ +#define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */ +#define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */ +#define VENETF_LOOP 0x800 /* Loopback enabled */ +#define VENETF_VMQ 0x4000 /* using VMQ flag for VMware NETQ */ +#define VENETF_VXLAN 0x10000 /* VxLAN offload */ +#define VENETF_NVGRE 0x20000 /* NVGRE offload */ +#define VENET_INTR_TYPE_MIN 0 /* Timer specs min interrupt spacing */ +#define VENET_INTR_TYPE_IDLE 1 /* Timer specs idle time before irq */ + +#define VENET_INTR_MODE_ANY 0 /* Try MSI-X, then MSI, then INTx */ +#define VENET_INTR_MODE_MSI 1 /* Try MSI then INTx */ +#define VENET_INTR_MODE_INTX 2 /* Try INTx only */ + +#endif /* _VNIC_ENIC_H_ */ diff --git a/drivers/enic/vnic/vnic_intr.c b/drivers/enic/vnic/vnic_intr.c new file mode 100644 index 0000000..84368af --- /dev/null +++ b/drivers/enic/vnic/vnic_intr.c @@ -0,0 +1,78 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_intr.c 171146 2014-05-02 07:08:20Z ssujith $" + +#include "vnic_dev.h" +#include "vnic_intr.h" + +void vnic_intr_free(struct vnic_intr *intr) +{ + intr->ctrl = NULL; +} + +int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, + unsigned int index) +{ + intr->index = index; + intr->vdev = vdev; + + intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index); + if (!intr->ctrl) { + pr_err("Failed to hook INTR[%d].ctrl resource\n", index); + return -EINVAL; + } + + return 0; +} + +void vnic_intr_init(struct vnic_intr *intr, u32 coalescing_timer, + unsigned int coalescing_type, unsigned int mask_on_assertion) +{ + vnic_intr_coalescing_timer_set(intr, coalescing_timer); + iowrite32(coalescing_type, &intr->ctrl->coalescing_type); + iowrite32(mask_on_assertion, &intr->ctrl->mask_on_assertion); + iowrite32(0, &intr->ctrl->int_credits); +} + +void vnic_intr_coalescing_timer_set(struct vnic_intr *intr, + u32 coalescing_timer) +{ + iowrite32(vnic_dev_intr_coal_timer_usec_to_hw(intr->vdev, + coalescing_timer), &intr->ctrl->coalescing_timer); +} + +void vnic_intr_clean(struct vnic_intr *intr) +{ + iowrite32(0, &intr->ctrl->int_credits); +} diff --git a/drivers/enic/vnic/vnic_intr.h b/drivers/enic/vnic/vnic_intr.h new file mode 100644 index 0000000..ecb82bf --- /dev/null +++ b/drivers/enic/vnic/vnic_intr.h @@ -0,0 +1,126 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_intr.h 171146 2014-05-02 07:08:20Z ssujith $" + +#ifndef _VNIC_INTR_H_ +#define _VNIC_INTR_H_ + + +#include "vnic_dev.h" + +#define VNIC_INTR_TIMER_TYPE_ABS 0 +#define VNIC_INTR_TIMER_TYPE_QUIET 1 + +/* Interrupt control */ +struct vnic_intr_ctrl { + u32 coalescing_timer; /* 0x00 */ + u32 pad0; + u32 coalescing_value; /* 0x08 */ + u32 pad1; + u32 coalescing_type; /* 0x10 */ + u32 pad2; + u32 mask_on_assertion; /* 0x18 */ + u32 pad3; + u32 mask; /* 0x20 */ + u32 pad4; + u32 int_credits; /* 0x28 */ + u32 pad5; + u32 int_credit_return; /* 0x30 */ + u32 pad6; +}; + +struct vnic_intr { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_intr_ctrl __iomem *ctrl; /* memory-mapped */ +}; + +static inline void vnic_intr_unmask(struct vnic_intr *intr) +{ + iowrite32(0, &intr->ctrl->mask); +} + +static inline void vnic_intr_mask(struct vnic_intr *intr) +{ + iowrite32(1, &intr->ctrl->mask); +} + +static inline int vnic_intr_masked(struct vnic_intr *intr) +{ + return ioread32(&intr->ctrl->mask); +} + +static inline void vnic_intr_return_credits(struct vnic_intr *intr, + unsigned int credits, int unmask, int reset_timer) +{ +#define VNIC_INTR_UNMASK_SHIFT 16 +#define VNIC_INTR_RESET_TIMER_SHIFT 17 + + u32 int_credit_return = (credits & 0xffff) | + (unmask ? (1 << VNIC_INTR_UNMASK_SHIFT) : 0) | + (reset_timer ? (1 << VNIC_INTR_RESET_TIMER_SHIFT) : 0); + + iowrite32(int_credit_return, &intr->ctrl->int_credit_return); +} + +static inline unsigned int vnic_intr_credits(struct vnic_intr *intr) +{ + return ioread32(&intr->ctrl->int_credits); +} + +static inline void vnic_intr_return_all_credits(struct vnic_intr *intr) +{ + unsigned int credits = vnic_intr_credits(intr); + int unmask = 1; + int reset_timer = 1; + + vnic_intr_return_credits(intr, credits, unmask, reset_timer); +} + +static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba) +{ + /* read PBA without clearing */ + return ioread32(legacy_pba); +} + +void vnic_intr_free(struct vnic_intr *intr); +int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, + unsigned int index); +void vnic_intr_init(struct vnic_intr *intr, u32 coalescing_timer, + unsigned int coalescing_type, unsigned int mask_on_assertion); +void vnic_intr_coalescing_timer_set(struct vnic_intr *intr, + u32 coalescing_timer); +void vnic_intr_clean(struct vnic_intr *intr); + +#endif /* _VNIC_INTR_H_ */ diff --git a/drivers/enic/vnic/vnic_nic.h b/drivers/enic/vnic/vnic_nic.h new file mode 100644 index 0000000..332cfb4 --- /dev/null +++ b/drivers/enic/vnic/vnic_nic.h @@ -0,0 +1,88 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_nic.h 59839 2010-09-27 20:36:31Z roprabhu $" + +#ifndef _VNIC_NIC_H_ +#define _VNIC_NIC_H_ + +#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD 0xffUL +#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT 0 +#define NIC_CFG_RSS_HASH_TYPE (0xffUL << 8) +#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD 0xffUL +#define NIC_CFG_RSS_HASH_TYPE_SHIFT 8 +#define NIC_CFG_RSS_HASH_BITS (7UL << 16) +#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD 7UL +#define NIC_CFG_RSS_HASH_BITS_SHIFT 16 +#define NIC_CFG_RSS_BASE_CPU (7UL << 19) +#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD 7UL +#define NIC_CFG_RSS_BASE_CPU_SHIFT 19 +#define NIC_CFG_RSS_ENABLE (1UL << 22) +#define NIC_CFG_RSS_ENABLE_MASK_FIELD 1UL +#define NIC_CFG_RSS_ENABLE_SHIFT 22 +#define NIC_CFG_TSO_IPID_SPLIT_EN (1UL << 23) +#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD 1UL +#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT 23 +#define NIC_CFG_IG_VLAN_STRIP_EN (1UL << 24) +#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL +#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT 24 + +#define NIC_CFG_RSS_HASH_TYPE_IPV4 (1 << 1) +#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 (1 << 2) +#define NIC_CFG_RSS_HASH_TYPE_IPV6 (1 << 3) +#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6 (1 << 4) +#define NIC_CFG_RSS_HASH_TYPE_IPV6_EX (1 << 5) +#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX (1 << 6) + +static inline void vnic_set_nic_cfg(u32 *nic_cfg, + u8 rss_default_cpu, u8 rss_hash_type, + u8 rss_hash_bits, u8 rss_base_cpu, + u8 rss_enable, u8 tso_ipid_split_en, + u8 ig_vlan_strip_en) +{ + *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) | + ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD) + << NIC_CFG_RSS_HASH_TYPE_SHIFT) | + ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD) + << NIC_CFG_RSS_HASH_BITS_SHIFT) | + ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD) + << NIC_CFG_RSS_BASE_CPU_SHIFT) | + ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD) + << NIC_CFG_RSS_ENABLE_SHIFT) | + ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD) + << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) | + ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD) + << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT); +} + +#endif /* _VNIC_NIC_H_ */ diff --git a/drivers/enic/vnic/vnic_resource.h b/drivers/enic/vnic/vnic_resource.h new file mode 100644 index 0000000..2512712 --- /dev/null +++ b/drivers/enic/vnic/vnic_resource.h @@ -0,0 +1,97 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_resource.h 196958 2014-11-04 18:23:37Z xuywang $" + +#ifndef _VNIC_RESOURCE_H_ +#define _VNIC_RESOURCE_H_ + +#define VNIC_RES_MAGIC 0x766E6963L /* 'vnic' */ +#define VNIC_RES_VERSION 0x00000000L +#define MGMTVNIC_MAGIC 0x544d474dL /* 'MGMT' */ +#define MGMTVNIC_VERSION 0x00000000L + +/* The MAC address assigned to the CFG vNIC is fixed. */ +#define MGMTVNIC_MAC { 0x02, 0x00, 0x54, 0x4d, 0x47, 0x4d } + +/* vNIC resource types */ +enum vnic_res_type { + RES_TYPE_EOL, /* End-of-list */ + RES_TYPE_WQ, /* Work queues */ + RES_TYPE_RQ, /* Receive queues */ + RES_TYPE_CQ, /* Completion queues */ + RES_TYPE_MEM, /* Window to dev memory */ + RES_TYPE_NIC_CFG, /* Enet NIC config registers */ + RES_TYPE_RSS_KEY, /* Enet RSS secret key */ + RES_TYPE_RSS_CPU, /* Enet RSS indirection table */ + RES_TYPE_TX_STATS, /* Netblock Tx statistic regs */ + RES_TYPE_RX_STATS, /* Netblock Rx statistic regs */ + RES_TYPE_INTR_CTRL, /* Interrupt ctrl table */ + RES_TYPE_INTR_TABLE, /* MSI/MSI-X Interrupt table */ + RES_TYPE_INTR_PBA, /* MSI/MSI-X PBA table */ + RES_TYPE_INTR_PBA_LEGACY, /* Legacy intr status */ + RES_TYPE_DEBUG, /* Debug-only info */ + RES_TYPE_DEV, /* Device-specific region */ + RES_TYPE_DEVCMD, /* Device command region */ + RES_TYPE_PASS_THRU_PAGE, /* Pass-thru page */ + RES_TYPE_SUBVNIC, /* subvnic resource type */ + RES_TYPE_MQ_WQ, /* MQ Work queues */ + RES_TYPE_MQ_RQ, /* MQ Receive queues */ + RES_TYPE_MQ_CQ, /* MQ Completion queues */ + RES_TYPE_DEPRECATED1, /* Old version of devcmd 2 */ + RES_TYPE_DEVCMD2, /* Device control region */ + RES_TYPE_MAX, /* Count of resource types */ +}; + +struct vnic_resource_header { + u32 magic; + u32 version; +}; + +struct mgmt_barmap_hdr { + u32 magic; /* magic number */ + u32 version; /* header format version */ + u16 lif; /* loopback lif for mgmt frames */ + u16 pci_slot; /* installed pci slot */ + char serial[16]; /* card serial number */ +}; + +struct vnic_resource { + u8 type; + u8 bar; + u8 pad[2]; + u32 bar_offset; + u32 count; +}; + +#endif /* _VNIC_RESOURCE_H_ */ diff --git a/drivers/enic/vnic/vnic_rq.c b/drivers/enic/vnic/vnic_rq.c new file mode 100644 index 0000000..3a4b65a --- /dev/null +++ b/drivers/enic/vnic/vnic_rq.c @@ -0,0 +1,245 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_rq.c 171146 2014-05-02 07:08:20Z ssujith $" + +#include "vnic_dev.h" +#include "vnic_rq.h" + +static int vnic_rq_alloc_bufs(struct vnic_rq *rq) +{ + struct vnic_rq_buf *buf; + unsigned int i, j, count = rq->ring.desc_count; + unsigned int blks = VNIC_RQ_BUF_BLKS_NEEDED(count); + + for (i = 0; i < blks; i++) { + rq->bufs[i] = kzalloc(VNIC_RQ_BUF_BLK_SZ(count), GFP_ATOMIC); + if (!rq->bufs[i]) + return -ENOMEM; + } + + for (i = 0; i < blks; i++) { + buf = rq->bufs[i]; + for (j = 0; j < VNIC_RQ_BUF_BLK_ENTRIES(count); j++) { + buf->index = i * VNIC_RQ_BUF_BLK_ENTRIES(count) + j; + buf->desc = (u8 *)rq->ring.descs + + rq->ring.desc_size * buf->index; + if (buf->index + 1 == count) { + buf->next = rq->bufs[0]; + break; + } else if (j + 1 == VNIC_RQ_BUF_BLK_ENTRIES(count)) { + buf->next = rq->bufs[i + 1]; + } else { + buf->next = buf + 1; + buf++; + } + } + } + + rq->to_use = rq->to_clean = rq->bufs[0]; + + return 0; +} + +int vnic_rq_mem_size(struct vnic_rq *rq, unsigned int desc_count, + unsigned int desc_size) +{ + int mem_size = 0; + + mem_size += vnic_dev_desc_ring_size(&rq->ring, desc_count, desc_size); + + mem_size += VNIC_RQ_BUF_BLKS_NEEDED(rq->ring.desc_count) * + VNIC_RQ_BUF_BLK_SZ(rq->ring.desc_count); + + return mem_size; +} + +void vnic_rq_free(struct vnic_rq *rq) +{ + struct vnic_dev *vdev; + unsigned int i; + + vdev = rq->vdev; + + vnic_dev_free_desc_ring(vdev, &rq->ring); + + for (i = 0; i < VNIC_RQ_BUF_BLKS_MAX; i++) { + if (rq->bufs[i]) { + kfree(rq->bufs[i]); + rq->bufs[i] = NULL; + } + } + + rq->ctrl = NULL; +} + +int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + char res_name[NAME_MAX]; + static int instance; + + rq->index = index; + rq->vdev = vdev; + + rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index); + if (!rq->ctrl) { + pr_err("Failed to hook RQ[%d] resource\n", index); + return -EINVAL; + } + + vnic_rq_disable(rq); + + snprintf(res_name, sizeof(res_name), "%d-rq-%d", instance++, index); + err = vnic_dev_alloc_desc_ring(vdev, &rq->ring, desc_count, desc_size, + rq->socket_id, res_name); + if (err) + return err; + + err = vnic_rq_alloc_bufs(rq); + if (err) { + vnic_rq_free(rq); + return err; + } + + return 0; +} + +void vnic_rq_init_start(struct vnic_rq *rq, unsigned int cq_index, + unsigned int fetch_index, unsigned int posted_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) +{ + u64 paddr; + unsigned int count = rq->ring.desc_count; + + paddr = (u64)rq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &rq->ctrl->ring_base); + iowrite32(count, &rq->ctrl->ring_size); + iowrite32(cq_index, &rq->ctrl->cq_index); + iowrite32(error_interrupt_enable, &rq->ctrl->error_interrupt_enable); + iowrite32(error_interrupt_offset, &rq->ctrl->error_interrupt_offset); + iowrite32(0, &rq->ctrl->dropped_packet_count); + iowrite32(0, &rq->ctrl->error_status); + iowrite32(fetch_index, &rq->ctrl->fetch_index); + iowrite32(posted_index, &rq->ctrl->posted_index); + + rq->to_use = rq->to_clean = + &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES(count)] + [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES(count)]; +} + +void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) +{ + u32 fetch_index = 0; + /* Use current fetch_index as the ring starting point */ + fetch_index = ioread32(&rq->ctrl->fetch_index); + + if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */ + /* Hardware surprise removal: reset fetch_index */ + fetch_index = 0; + } + + vnic_rq_init_start(rq, cq_index, + fetch_index, fetch_index, + error_interrupt_enable, + error_interrupt_offset); +} + +void vnic_rq_error_out(struct vnic_rq *rq, unsigned int error) +{ + iowrite32(error, &rq->ctrl->error_status); +} + +unsigned int vnic_rq_error_status(struct vnic_rq *rq) +{ + return ioread32(&rq->ctrl->error_status); +} + +void vnic_rq_enable(struct vnic_rq *rq) +{ + iowrite32(1, &rq->ctrl->enable); +} + +int vnic_rq_disable(struct vnic_rq *rq) +{ + unsigned int wait; + + iowrite32(0, &rq->ctrl->enable); + + /* Wait for HW to ACK disable request */ + for (wait = 0; wait < 1000; wait++) { + if (!(ioread32(&rq->ctrl->running))) + return 0; + udelay(10); + } + + pr_err("Failed to disable RQ[%d]\n", rq->index); + + return -ETIMEDOUT; +} + +void vnic_rq_clean(struct vnic_rq *rq, + void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf)) +{ + struct vnic_rq_buf *buf; + u32 fetch_index; + unsigned int count = rq->ring.desc_count; + + buf = rq->to_clean; + + while (vnic_rq_desc_used(rq) > 0) { + + (*buf_clean)(rq, buf); + + buf = rq->to_clean = buf->next; + rq->ring.desc_avail++; + } + + /* Use current fetch_index as the ring starting point */ + fetch_index = ioread32(&rq->ctrl->fetch_index); + + if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */ + /* Hardware surprise removal: reset fetch_index */ + fetch_index = 0; + } + rq->to_use = rq->to_clean = + &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES(count)] + [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES(count)]; + iowrite32(fetch_index, &rq->ctrl->posted_index); + + vnic_dev_clear_desc_ring(&rq->ring); +} diff --git a/drivers/enic/vnic/vnic_rq.h b/drivers/enic/vnic/vnic_rq.h new file mode 100644 index 0000000..54b6612 --- /dev/null +++ b/drivers/enic/vnic/vnic_rq.h @@ -0,0 +1,282 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_rq.h 180262 2014-07-02 07:57:43Z gvaradar $" + +#ifndef _VNIC_RQ_H_ +#define _VNIC_RQ_H_ + + +#include "vnic_dev.h" +#include "vnic_cq.h" + +/* Receive queue control */ +struct vnic_rq_ctrl { + u64 ring_base; /* 0x00 */ + u32 ring_size; /* 0x08 */ + u32 pad0; + u32 posted_index; /* 0x10 */ + u32 pad1; + u32 cq_index; /* 0x18 */ + u32 pad2; + u32 enable; /* 0x20 */ + u32 pad3; + u32 running; /* 0x28 */ + u32 pad4; + u32 fetch_index; /* 0x30 */ + u32 pad5; + u32 error_interrupt_enable; /* 0x38 */ + u32 pad6; + u32 error_interrupt_offset; /* 0x40 */ + u32 pad7; + u32 error_status; /* 0x48 */ + u32 pad8; + u32 dropped_packet_count; /* 0x50 */ + u32 pad9; + u32 dropped_packet_count_rc; /* 0x58 */ + u32 pad10; +}; + +/* Break the vnic_rq_buf allocations into blocks of 32/64 entries */ +#define VNIC_RQ_BUF_MIN_BLK_ENTRIES 32 +#define VNIC_RQ_BUF_DFLT_BLK_ENTRIES 64 +#define VNIC_RQ_BUF_BLK_ENTRIES(entries) \ + ((unsigned int)((entries < VNIC_RQ_BUF_DFLT_BLK_ENTRIES) ? \ + VNIC_RQ_BUF_MIN_BLK_ENTRIES : VNIC_RQ_BUF_DFLT_BLK_ENTRIES)) +#define VNIC_RQ_BUF_BLK_SZ(entries) \ + (VNIC_RQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_rq_buf)) +#define VNIC_RQ_BUF_BLKS_NEEDED(entries) \ + DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES(entries)) +#define VNIC_RQ_BUF_BLKS_MAX VNIC_RQ_BUF_BLKS_NEEDED(4096) + +struct vnic_rq_buf { + struct vnic_rq_buf *next; + dma_addr_t dma_addr; + void *os_buf; + unsigned int os_buf_index; + unsigned int len; + unsigned int index; + void *desc; + uint64_t wr_id; +}; + +struct vnic_rq { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_rq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + struct vnic_rq_buf *bufs[VNIC_RQ_BUF_BLKS_MAX]; + struct vnic_rq_buf *to_use; + struct vnic_rq_buf *to_clean; + void *os_buf_head; + unsigned int pkts_outstanding; + + unsigned int socket_id; + struct rte_mempool *mp; +}; + +static inline unsigned int vnic_rq_desc_avail(struct vnic_rq *rq) +{ + /* how many does SW own? */ + return rq->ring.desc_avail; +} + +static inline unsigned int vnic_rq_desc_used(struct vnic_rq *rq) +{ + /* how many does HW own? */ + return rq->ring.desc_count - rq->ring.desc_avail - 1; +} + +static inline void *vnic_rq_next_desc(struct vnic_rq *rq) +{ + return rq->to_use->desc; +} + +static inline unsigned int vnic_rq_next_index(struct vnic_rq *rq) +{ + return rq->to_use->index; +} + +static inline void vnic_rq_post(struct vnic_rq *rq, + void *os_buf, unsigned int os_buf_index, + dma_addr_t dma_addr, unsigned int len, + uint64_t wrid) +{ + struct vnic_rq_buf *buf = rq->to_use; + + buf->os_buf = os_buf; + buf->os_buf_index = os_buf_index; + buf->dma_addr = dma_addr; + buf->len = len; + buf->wr_id = wrid; + + buf = buf->next; + rq->to_use = buf; + rq->ring.desc_avail--; + + /* Move the posted_index every nth descriptor + */ + +#ifndef VNIC_RQ_RETURN_RATE +#define VNIC_RQ_RETURN_RATE 0xf /* keep 2^n - 1 */ +#endif + + if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) { + /* Adding write memory barrier prevents compiler and/or CPU + * reordering, thus avoiding descriptor posting before + * descriptor is initialized. Otherwise, hardware can read + * stale descriptor fields. + */ + wmb(); + iowrite32(buf->index, &rq->ctrl->posted_index); + } +} + +static inline void vnic_rq_post_commit(struct vnic_rq *rq, + void *os_buf, unsigned int os_buf_index, + dma_addr_t dma_addr, unsigned int len) +{ + struct vnic_rq_buf *buf = rq->to_use; + + buf->os_buf = os_buf; + buf->os_buf_index = os_buf_index; + buf->dma_addr = dma_addr; + buf->len = len; + + buf = buf->next; + rq->to_use = buf; + rq->ring.desc_avail--; + + /* Move the posted_index every descriptor + */ + + /* Adding write memory barrier prevents compiler and/or CPU + * reordering, thus avoiding descriptor posting before + * descriptor is initialized. Otherwise, hardware can read + * stale descriptor fields. + */ + wmb(); + iowrite32(buf->index, &rq->ctrl->posted_index); +} + +static inline void vnic_rq_return_descs(struct vnic_rq *rq, unsigned int count) +{ + rq->ring.desc_avail += count; +} + +enum desc_return_options { + VNIC_RQ_RETURN_DESC, + VNIC_RQ_DEFER_RETURN_DESC, +}; + +static inline int vnic_rq_service(struct vnic_rq *rq, + struct cq_desc *cq_desc, u16 completed_index, + int desc_return, int (*buf_service)(struct vnic_rq *rq, + struct cq_desc *cq_desc, struct vnic_rq_buf *buf, + int skipped, void *opaque), void *opaque) +{ + struct vnic_rq_buf *buf; + int skipped; + int eop = 0; + + buf = rq->to_clean; + while (1) { + + skipped = (buf->index != completed_index); + + if ((*buf_service)(rq, cq_desc, buf, skipped, opaque)) + eop++; + + if (desc_return == VNIC_RQ_RETURN_DESC) + rq->ring.desc_avail++; + + rq->to_clean = buf->next; + + if (!skipped) + break; + + buf = rq->to_clean; + } + return eop; +} + +static inline int vnic_rq_fill(struct vnic_rq *rq, + int (*buf_fill)(struct vnic_rq *rq)) +{ + int err; + + while (vnic_rq_desc_avail(rq) > 0) { + + err = (*buf_fill)(rq); + if (err) + return err; + } + + return 0; +} + +static inline int vnic_rq_fill_count(struct vnic_rq *rq, + int (*buf_fill)(struct vnic_rq *rq), unsigned int count) +{ + int err; + + while ((vnic_rq_desc_avail(rq) > 0) && (count--)) { + + err = (*buf_fill)(rq); + if (err) + return err; + } + + return 0; +} + +void vnic_rq_free(struct vnic_rq *rq); +int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, + unsigned int desc_count, unsigned int desc_size); +void vnic_rq_init_start(struct vnic_rq *rq, unsigned int cq_index, + unsigned int fetch_index, unsigned int posted_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); +void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); +void vnic_rq_error_out(struct vnic_rq *rq, unsigned int error); +unsigned int vnic_rq_error_status(struct vnic_rq *rq); +void vnic_rq_enable(struct vnic_rq *rq); +int vnic_rq_disable(struct vnic_rq *rq); +void vnic_rq_clean(struct vnic_rq *rq, + void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf)); +int vnic_rq_mem_size(struct vnic_rq *rq, unsigned int desc_count, + unsigned int desc_size); + +#endif /* _VNIC_RQ_H_ */ diff --git a/drivers/enic/vnic/vnic_rss.c b/drivers/enic/vnic/vnic_rss.c new file mode 100644 index 0000000..5ff76b1 --- /dev/null +++ b/drivers/enic/vnic/vnic_rss.c @@ -0,0 +1,85 @@ +/* + * Copyright 2008 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id$" + +#include "enic_compat.h" +#include "vnic_rss.h" + +void vnic_set_rss_key(union vnic_rss_key *rss_key, u8 *key) +{ + u32 i; + u32 *p; + u16 *q; + + for (i = 0; i < 4; ++i) { + p = (u32 *)(key + (10 * i)); + iowrite32(*p++, &rss_key->key[i].b[0]); + iowrite32(*p++, &rss_key->key[i].b[4]); + q = (u16 *)p; + iowrite32(*q, &rss_key->key[i].b[8]); + } +} + +void vnic_set_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu) +{ + u32 i; + u32 *p = (u32 *)cpu; + + for (i = 0; i < 32; ++i) + iowrite32(*p++, &rss_cpu->cpu[i].b[0]); +} + +void vnic_get_rss_key(union vnic_rss_key *rss_key, u8 *key) +{ + u32 i; + u32 *p; + u16 *q; + + for (i = 0; i < 4; ++i) { + p = (u32 *)(key + (10 * i)); + *p++ = ioread32(&rss_key->key[i].b[0]); + *p++ = ioread32(&rss_key->key[i].b[4]); + q = (u16 *)p; + *q = (u16)ioread32(&rss_key->key[i].b[8]); + } +} + +void vnic_get_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu) +{ + u32 i; + u32 *p = (u32 *)cpu; + + for (i = 0; i < 32; ++i) + *p++ = ioread32(&rss_cpu->cpu[i].b[0]); +} diff --git a/drivers/enic/vnic/vnic_rss.h b/drivers/enic/vnic/vnic_rss.h new file mode 100644 index 0000000..45ed3d2 --- /dev/null +++ b/drivers/enic/vnic/vnic_rss.h @@ -0,0 +1,61 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ +#ident "$Id: vnic_rss.h 64224 2010-11-09 19:43:13Z vkolluri $" + +#ifndef _VNIC_RSS_H_ +#define _VNIC_RSS_H_ + +/* RSS key array */ +union vnic_rss_key { + struct { + u8 b[10]; + u8 b_pad[6]; + } key[4]; + u64 raw[8]; +}; + +/* RSS cpu array */ +union vnic_rss_cpu { + struct { + u8 b[4]; + u8 b_pad[4]; + } cpu[32]; + u64 raw[32]; +}; + +void vnic_set_rss_key(union vnic_rss_key *rss_key, u8 *key); +void vnic_set_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu); +void vnic_get_rss_key(union vnic_rss_key *rss_key, u8 *key); +void vnic_get_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu); + +#endif /* _VNIC_RSS_H_ */ diff --git a/drivers/enic/vnic/vnic_stats.h b/drivers/enic/vnic/vnic_stats.h new file mode 100644 index 0000000..ac5aa72 --- /dev/null +++ b/drivers/enic/vnic/vnic_stats.h @@ -0,0 +1,86 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_stats.h 84040 2011-08-09 23:38:43Z dwang2 $" + +#ifndef _VNIC_STATS_H_ +#define _VNIC_STATS_H_ + +/* Tx statistics */ +struct vnic_tx_stats { + u64 tx_frames_ok; + u64 tx_unicast_frames_ok; + u64 tx_multicast_frames_ok; + u64 tx_broadcast_frames_ok; + u64 tx_bytes_ok; + u64 tx_unicast_bytes_ok; + u64 tx_multicast_bytes_ok; + u64 tx_broadcast_bytes_ok; + u64 tx_drops; + u64 tx_errors; + u64 tx_tso; + u64 rsvd[16]; +}; + +/* Rx statistics */ +struct vnic_rx_stats { + u64 rx_frames_ok; + u64 rx_frames_total; + u64 rx_unicast_frames_ok; + u64 rx_multicast_frames_ok; + u64 rx_broadcast_frames_ok; + u64 rx_bytes_ok; + u64 rx_unicast_bytes_ok; + u64 rx_multicast_bytes_ok; + u64 rx_broadcast_bytes_ok; + u64 rx_drop; + u64 rx_no_bufs; + u64 rx_errors; + u64 rx_rss; + u64 rx_crc_errors; + u64 rx_frames_64; + u64 rx_frames_127; + u64 rx_frames_255; + u64 rx_frames_511; + u64 rx_frames_1023; + u64 rx_frames_1518; + u64 rx_frames_to_max; + u64 rsvd[16]; +}; + +struct vnic_stats { + struct vnic_tx_stats tx; + struct vnic_rx_stats rx; +}; + +#endif /* _VNIC_STATS_H_ */ diff --git a/drivers/enic/vnic/vnic_wq.c b/drivers/enic/vnic/vnic_wq.c new file mode 100644 index 0000000..e52cef0 --- /dev/null +++ b/drivers/enic/vnic/vnic_wq.c @@ -0,0 +1,245 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_wq.c 183023 2014-07-22 23:47:25Z xuywang $" + +#include "vnic_dev.h" +#include "vnic_wq.h" + +static inline +int vnic_wq_get_ctrl(struct vnic_dev *vdev, struct vnic_wq *wq, + unsigned int index, enum vnic_res_type res_type) +{ + wq->ctrl = vnic_dev_get_res(vdev, res_type, index); + if (!wq->ctrl) + return -EINVAL; + return 0; +} + +static inline +int vnic_wq_alloc_ring(struct vnic_dev *vdev, struct vnic_wq *wq, + unsigned int desc_count, unsigned int desc_size) +{ + char res_name[NAME_MAX]; + static int instance; + + snprintf(res_name, sizeof(res_name), "%d-wq-%d", instance++, wq->index); + return vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size, + wq->socket_id, res_name); +} + +static int vnic_wq_alloc_bufs(struct vnic_wq *wq) +{ + struct vnic_wq_buf *buf; + unsigned int i, j, count = wq->ring.desc_count; + unsigned int blks = VNIC_WQ_BUF_BLKS_NEEDED(count); + + for (i = 0; i < blks; i++) { + wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ(count), GFP_ATOMIC); + if (!wq->bufs[i]) + return -ENOMEM; + } + + for (i = 0; i < blks; i++) { + buf = wq->bufs[i]; + for (j = 0; j < VNIC_WQ_BUF_BLK_ENTRIES(count); j++) { + buf->index = i * VNIC_WQ_BUF_BLK_ENTRIES(count) + j; + buf->desc = (u8 *)wq->ring.descs + + wq->ring.desc_size * buf->index; + if (buf->index + 1 == count) { + buf->next = wq->bufs[0]; + break; + } else if (j + 1 == VNIC_WQ_BUF_BLK_ENTRIES(count)) { + buf->next = wq->bufs[i + 1]; + } else { + buf->next = buf + 1; + buf++; + } + } + } + + wq->to_use = wq->to_clean = wq->bufs[0]; + + return 0; +} + +void vnic_wq_free(struct vnic_wq *wq) +{ + struct vnic_dev *vdev; + unsigned int i; + + vdev = wq->vdev; + + vnic_dev_free_desc_ring(vdev, &wq->ring); + + for (i = 0; i < VNIC_WQ_BUF_BLKS_MAX; i++) { + if (wq->bufs[i]) { + kfree(wq->bufs[i]); + wq->bufs[i] = NULL; + } + } + + wq->ctrl = NULL; +} + +int vnic_wq_mem_size(struct vnic_wq *wq, unsigned int desc_count, + unsigned int desc_size) +{ + int mem_size = 0; + + mem_size += vnic_dev_desc_ring_size(&wq->ring, desc_count, desc_size); + + mem_size += VNIC_WQ_BUF_BLKS_NEEDED(wq->ring.desc_count) * + VNIC_WQ_BUF_BLK_SZ(wq->ring.desc_count); + + return mem_size; +} + + +int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, + unsigned int desc_count, unsigned int desc_size) +{ + int err; + + wq->index = index; + wq->vdev = vdev; + + err = vnic_wq_get_ctrl(vdev, wq, index, RES_TYPE_WQ); + if (err) { + pr_err("Failed to hook WQ[%d] resource, err %d\n", index, err); + return err; + } + + vnic_wq_disable(wq); + + err = vnic_wq_alloc_ring(vdev, wq, desc_count, desc_size); + if (err) + return err; + + err = vnic_wq_alloc_bufs(wq); + if (err) { + vnic_wq_free(wq); + return err; + } + + return 0; +} + +void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index, + unsigned int fetch_index, unsigned int posted_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) +{ + u64 paddr; + unsigned int count = wq->ring.desc_count; + + paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET; + writeq(paddr, &wq->ctrl->ring_base); + iowrite32(count, &wq->ctrl->ring_size); + iowrite32(fetch_index, &wq->ctrl->fetch_index); + iowrite32(posted_index, &wq->ctrl->posted_index); + iowrite32(cq_index, &wq->ctrl->cq_index); + iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable); + iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset); + iowrite32(0, &wq->ctrl->error_status); + + wq->to_use = wq->to_clean = + &wq->bufs[fetch_index / VNIC_WQ_BUF_BLK_ENTRIES(count)] + [fetch_index % VNIC_WQ_BUF_BLK_ENTRIES(count)]; +} + +void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset) +{ + vnic_wq_init_start(wq, cq_index, 0, 0, + error_interrupt_enable, + error_interrupt_offset); +} + +void vnic_wq_error_out(struct vnic_wq *wq, unsigned int error) +{ + iowrite32(error, &wq->ctrl->error_status); +} + +unsigned int vnic_wq_error_status(struct vnic_wq *wq) +{ + return ioread32(&wq->ctrl->error_status); +} + +void vnic_wq_enable(struct vnic_wq *wq) +{ + iowrite32(1, &wq->ctrl->enable); +} + +int vnic_wq_disable(struct vnic_wq *wq) +{ + unsigned int wait; + + iowrite32(0, &wq->ctrl->enable); + + /* Wait for HW to ACK disable request */ + for (wait = 0; wait < 1000; wait++) { + if (!(ioread32(&wq->ctrl->running))) + return 0; + udelay(10); + } + + pr_err("Failed to disable WQ[%d]\n", wq->index); + + return -ETIMEDOUT; +} + +void vnic_wq_clean(struct vnic_wq *wq, + void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)) +{ + struct vnic_wq_buf *buf; + + buf = wq->to_clean; + + while (vnic_wq_desc_used(wq) > 0) { + + (*buf_clean)(wq, buf); + + buf = wq->to_clean = buf->next; + wq->ring.desc_avail++; + } + + wq->to_use = wq->to_clean = wq->bufs[0]; + + iowrite32(0, &wq->ctrl->fetch_index); + iowrite32(0, &wq->ctrl->posted_index); + iowrite32(0, &wq->ctrl->error_status); + + vnic_dev_clear_desc_ring(&wq->ring); +} diff --git a/drivers/enic/vnic/vnic_wq.h b/drivers/enic/vnic/vnic_wq.h new file mode 100644 index 0000000..f8219ad --- /dev/null +++ b/drivers/enic/vnic/vnic_wq.h @@ -0,0 +1,283 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: vnic_wq.h 183023 2014-07-22 23:47:25Z xuywang $" + +#ifndef _VNIC_WQ_H_ +#define _VNIC_WQ_H_ + + +#include "vnic_dev.h" +#include "vnic_cq.h" + +/* Work queue control */ +struct vnic_wq_ctrl { + u64 ring_base; /* 0x00 */ + u32 ring_size; /* 0x08 */ + u32 pad0; + u32 posted_index; /* 0x10 */ + u32 pad1; + u32 cq_index; /* 0x18 */ + u32 pad2; + u32 enable; /* 0x20 */ + u32 pad3; + u32 running; /* 0x28 */ + u32 pad4; + u32 fetch_index; /* 0x30 */ + u32 pad5; + u32 dca_value; /* 0x38 */ + u32 pad6; + u32 error_interrupt_enable; /* 0x40 */ + u32 pad7; + u32 error_interrupt_offset; /* 0x48 */ + u32 pad8; + u32 error_status; /* 0x50 */ + u32 pad9; +}; + +struct vnic_wq_buf { + struct vnic_wq_buf *next; + dma_addr_t dma_addr; + void *os_buf; + unsigned int len; + unsigned int index; + int sop; + void *desc; + uint64_t wr_id; /* Cookie */ + uint8_t cq_entry; /* Gets completion event from hw */ + uint8_t desc_skip_cnt; /* Num descs to occupy */ + uint8_t compressed_send; /* Both hdr and payload in one desc */ +}; + +/* Break the vnic_wq_buf allocations into blocks of 32/64 entries */ +#define VNIC_WQ_BUF_MIN_BLK_ENTRIES 32 +#define VNIC_WQ_BUF_DFLT_BLK_ENTRIES 64 +#define VNIC_WQ_BUF_BLK_ENTRIES(entries) \ + ((unsigned int)((entries < VNIC_WQ_BUF_DFLT_BLK_ENTRIES) ? \ + VNIC_WQ_BUF_MIN_BLK_ENTRIES : VNIC_WQ_BUF_DFLT_BLK_ENTRIES)) +#define VNIC_WQ_BUF_BLK_SZ(entries) \ + (VNIC_WQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_wq_buf)) +#define VNIC_WQ_BUF_BLKS_NEEDED(entries) \ + DIV_ROUND_UP(entries, VNIC_WQ_BUF_BLK_ENTRIES(entries)) +#define VNIC_WQ_BUF_BLKS_MAX VNIC_WQ_BUF_BLKS_NEEDED(4096) + +struct vnic_wq { + unsigned int index; + struct vnic_dev *vdev; + struct vnic_wq_ctrl __iomem *ctrl; /* memory-mapped */ + struct vnic_dev_ring ring; + struct vnic_wq_buf *bufs[VNIC_WQ_BUF_BLKS_MAX]; + struct vnic_wq_buf *to_use; + struct vnic_wq_buf *to_clean; + unsigned int pkts_outstanding; + unsigned int socket_id; +}; + +static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq) +{ + /* how many does SW own? */ + return wq->ring.desc_avail; +} + +static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq) +{ + /* how many does HW own? */ + return wq->ring.desc_count - wq->ring.desc_avail - 1; +} + +static inline void *vnic_wq_next_desc(struct vnic_wq *wq) +{ + return wq->to_use->desc; +} + +#define PI_LOG2_CACHE_LINE_SIZE 5 +#define PI_INDEX_BITS 12 +#define PI_INDEX_MASK ((1U << PI_INDEX_BITS) - 1) +#define PI_PREFETCH_LEN_MASK ((1U << PI_LOG2_CACHE_LINE_SIZE) - 1) +#define PI_PREFETCH_LEN_OFF 16 +#define PI_PREFETCH_ADDR_BITS 43 +#define PI_PREFETCH_ADDR_MASK ((1ULL << PI_PREFETCH_ADDR_BITS) - 1) +#define PI_PREFETCH_ADDR_OFF 21 + +/** How many cache lines are touched by buffer (addr, len). */ +static inline unsigned int num_cache_lines_touched(dma_addr_t addr, + unsigned int len) +{ + const unsigned long mask = PI_PREFETCH_LEN_MASK; + const unsigned long laddr = (unsigned long)addr; + unsigned long lines, equiv_len; + /* A. If addr is aligned, our solution is just to round up len to the + next boundary. + + e.g. addr = 0, len = 48 + +--------------------+ + |XXXXXXXXXXXXXXXXXXXX| 32-byte cacheline a + +--------------------+ + |XXXXXXXXXX | cacheline b + +--------------------+ + + B. If addr is not aligned, however, we may use an extra + cacheline. e.g. addr = 12, len = 22 + + +--------------------+ + | XXXXXXXXXXXXX| + +--------------------+ + |XX | + +--------------------+ + + Our solution is to make the problem equivalent to case A + above by adding the empty space in the first cacheline to the length: + unsigned long len; + + +--------------------+ + |eeeeeeeXXXXXXXXXXXXX| "e" is empty space, which we add to len + +--------------------+ + |XX | + +--------------------+ + + */ + equiv_len = len + (laddr & mask); + + /* Now we can just round up this len to the next 32-byte boundary. */ + lines = (equiv_len + mask) & (~mask); + + /* Scale bytes -> cachelines. */ + return lines >> PI_LOG2_CACHE_LINE_SIZE; +} + +static inline u64 vnic_cached_posted_index(dma_addr_t addr, unsigned int len, + unsigned int index) +{ + unsigned int num_cache_lines = num_cache_lines_touched(addr, len); + /* Wish we could avoid a branch here. We could have separate + * vnic_wq_post() and vinc_wq_post_inline(), the latter + * only supporting < 1k (2^5 * 2^5) sends, I suppose. This would + * eliminate the if (eop) branch as well. + */ + if (num_cache_lines > PI_PREFETCH_LEN_MASK) + num_cache_lines = 0; + return (index & PI_INDEX_MASK) | + ((num_cache_lines & PI_PREFETCH_LEN_MASK) << PI_PREFETCH_LEN_OFF) | + (((addr >> PI_LOG2_CACHE_LINE_SIZE) & + PI_PREFETCH_ADDR_MASK) << PI_PREFETCH_ADDR_OFF); +} + +static inline void vnic_wq_post(struct vnic_wq *wq, + void *os_buf, dma_addr_t dma_addr, + unsigned int len, int sop, int eop, + uint8_t desc_skip_cnt, uint8_t cq_entry, + uint8_t compressed_send, uint64_t wrid) +{ + struct vnic_wq_buf *buf = wq->to_use; + + buf->sop = sop; + buf->cq_entry = cq_entry; + buf->compressed_send = compressed_send; + buf->desc_skip_cnt = desc_skip_cnt; + buf->os_buf = os_buf; + buf->dma_addr = dma_addr; + buf->len = len; + buf->wr_id = wrid; + + buf = buf->next; + if (eop) { +#ifdef DO_PREFETCH + uint64_t wr = vnic_cached_posted_index(dma_addr, len, + buf->index); +#endif + /* Adding write memory barrier prevents compiler and/or CPU + * reordering, thus avoiding descriptor posting before + * descriptor is initialized. Otherwise, hardware can read + * stale descriptor fields. + */ + wmb(); +#ifdef DO_PREFETCH + /* Intel chipsets seem to limit the rate of PIOs that we can + * push on the bus. Thus, it is very important to do a single + * 64 bit write here. With two 32-bit writes, my maximum + * pkt/sec rate was cut almost in half. -AJF + */ + iowrite64((uint64_t)wr, &wq->ctrl->posted_index); +#else + iowrite32(buf->index, &wq->ctrl->posted_index); +#endif + } + wq->to_use = buf; + + wq->ring.desc_avail -= desc_skip_cnt; +} + +static inline void vnic_wq_service(struct vnic_wq *wq, + struct cq_desc *cq_desc, u16 completed_index, + void (*buf_service)(struct vnic_wq *wq, + struct cq_desc *cq_desc, struct vnic_wq_buf *buf, void *opaque), + void *opaque) +{ + struct vnic_wq_buf *buf; + + buf = wq->to_clean; + while (1) { + + (*buf_service)(wq, cq_desc, buf, opaque); + + wq->ring.desc_avail++; + + wq->to_clean = buf->next; + + if (buf->index == completed_index) + break; + + buf = wq->to_clean; + } +} + +void vnic_wq_free(struct vnic_wq *wq); +int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, + unsigned int desc_count, unsigned int desc_size); +void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index, + unsigned int fetch_index, unsigned int posted_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); +void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, + unsigned int error_interrupt_enable, + unsigned int error_interrupt_offset); +void vnic_wq_error_out(struct vnic_wq *wq, unsigned int error); +unsigned int vnic_wq_error_status(struct vnic_wq *wq); +void vnic_wq_enable(struct vnic_wq *wq); +int vnic_wq_disable(struct vnic_wq *wq); +void vnic_wq_clean(struct vnic_wq *wq, + void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)); +int vnic_wq_mem_size(struct vnic_wq *wq, unsigned int desc_count, + unsigned int desc_size); + +#endif /* _VNIC_WQ_H_ */ diff --git a/drivers/enic/vnic/wq_enet_desc.h b/drivers/enic/vnic/wq_enet_desc.h new file mode 100644 index 0000000..ff2b768 --- /dev/null +++ b/drivers/enic/vnic/wq_enet_desc.h @@ -0,0 +1,114 @@ +/* + * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. + * Copyright 2007 Nuova Systems, Inc. All rights reserved. + * + * Copyright (c) 2014, Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + */ +#ident "$Id: wq_enet_desc.h 59839 2010-09-27 20:36:31Z roprabhu $" + +#ifndef _WQ_ENET_DESC_H_ +#define _WQ_ENET_DESC_H_ + +/* Ethernet work queue descriptor: 16B */ +struct wq_enet_desc { + __le64 address; + __le16 length; + __le16 mss_loopback; + __le16 header_length_flags; + __le16 vlan_tag; +}; + +#define WQ_ENET_ADDR_BITS 64 +#define WQ_ENET_LEN_BITS 14 +#define WQ_ENET_LEN_MASK ((1 << WQ_ENET_LEN_BITS) - 1) +#define WQ_ENET_MSS_BITS 14 +#define WQ_ENET_MSS_MASK ((1 << WQ_ENET_MSS_BITS) - 1) +#define WQ_ENET_MSS_SHIFT 2 +#define WQ_ENET_LOOPBACK_SHIFT 1 +#define WQ_ENET_HDRLEN_BITS 10 +#define WQ_ENET_HDRLEN_MASK ((1 << WQ_ENET_HDRLEN_BITS) - 1) +#define WQ_ENET_FLAGS_OM_BITS 2 +#define WQ_ENET_FLAGS_OM_MASK ((1 << WQ_ENET_FLAGS_OM_BITS) - 1) +#define WQ_ENET_FLAGS_EOP_SHIFT 12 +#define WQ_ENET_FLAGS_CQ_ENTRY_SHIFT 13 +#define WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT 14 +#define WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT 15 + +#define WQ_ENET_OFFLOAD_MODE_CSUM 0 +#define WQ_ENET_OFFLOAD_MODE_RESERVED 1 +#define WQ_ENET_OFFLOAD_MODE_CSUM_L4 2 +#define WQ_ENET_OFFLOAD_MODE_TSO 3 + +static inline void wq_enet_desc_enc(struct wq_enet_desc *desc, + u64 address, u16 length, u16 mss, u16 header_length, + u8 offload_mode, u8 eop, u8 cq_entry, u8 fcoe_encap, + u8 vlan_tag_insert, u16 vlan_tag, u8 loopback) +{ + desc->address = cpu_to_le64(address); + desc->length = cpu_to_le16(length & WQ_ENET_LEN_MASK); + desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) << + WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT); + desc->header_length_flags = cpu_to_le16( + (header_length & WQ_ENET_HDRLEN_MASK) | + (offload_mode & WQ_ENET_FLAGS_OM_MASK) << WQ_ENET_HDRLEN_BITS | + (eop & 1) << WQ_ENET_FLAGS_EOP_SHIFT | + (cq_entry & 1) << WQ_ENET_FLAGS_CQ_ENTRY_SHIFT | + (fcoe_encap & 1) << WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT | + (vlan_tag_insert & 1) << WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT); + desc->vlan_tag = cpu_to_le16(vlan_tag); +} + +static inline void wq_enet_desc_dec(struct wq_enet_desc *desc, + u64 *address, u16 *length, u16 *mss, u16 *header_length, + u8 *offload_mode, u8 *eop, u8 *cq_entry, u8 *fcoe_encap, + u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback) +{ + *address = le64_to_cpu(desc->address); + *length = le16_to_cpu(desc->length) & WQ_ENET_LEN_MASK; + *mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) & + WQ_ENET_MSS_MASK; + *loopback = (u8)((le16_to_cpu(desc->mss_loopback) >> + WQ_ENET_LOOPBACK_SHIFT) & 1); + *header_length = le16_to_cpu(desc->header_length_flags) & + WQ_ENET_HDRLEN_MASK; + *offload_mode = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_HDRLEN_BITS) & WQ_ENET_FLAGS_OM_MASK); + *eop = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_EOP_SHIFT) & 1); + *cq_entry = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_CQ_ENTRY_SHIFT) & 1); + *fcoe_encap = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT) & 1); + *vlan_tag_insert = (u8)((le16_to_cpu(desc->header_length_flags) >> + WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT) & 1); + *vlan_tag = le16_to_cpu(desc->vlan_tag); +} + +#endif /* _WQ_ENET_DESC_H_ */ diff --git a/lib/Makefile b/lib/Makefile index a54af9d..305a105 100644 --- a/lib/Makefile +++ b/lib/Makefile @@ -45,7 +45,6 @@ DIRS-$(CONFIG_RTE_LIBRTE_IXGBE_PMD) += librte_pmd_ixgbe DIRS-$(CONFIG_RTE_LIBRTE_I40E_PMD) += librte_pmd_i40e DIRS-$(CONFIG_RTE_LIBRTE_FM10K_PMD) += librte_pmd_fm10k DIRS-$(CONFIG_RTE_LIBRTE_MLX4_PMD) += librte_pmd_mlx4 -DIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += librte_pmd_enic DIRS-$(CONFIG_RTE_LIBRTE_PMD_RING) += librte_pmd_ring DIRS-$(CONFIG_RTE_LIBRTE_PMD_PCAP) += librte_pmd_pcap DIRS-$(CONFIG_RTE_LIBRTE_VIRTIO_PMD) += librte_pmd_virtio diff --git a/lib/librte_pmd_enic/LICENSE b/lib/librte_pmd_enic/LICENSE deleted file mode 100644 index 46a27a4..0000000 --- a/lib/librte_pmd_enic/LICENSE +++ /dev/null @@ -1,27 +0,0 @@ - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. diff --git a/lib/librte_pmd_enic/Makefile b/lib/librte_pmd_enic/Makefile deleted file mode 100644 index bfc0994..0000000 --- a/lib/librte_pmd_enic/Makefile +++ /dev/null @@ -1,71 +0,0 @@ -# -# Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. -# Copyright 2007 Nuova Systems, Inc. All rights reserved. -# -# Copyright (c) 2014, Cisco Systems, Inc. -# All rights reserved. -# -# Redistribution and use in source and binary forms, with or without -# modification, are permitted provided that the following conditions -# are met: -# -# 1. Redistributions of source code must retain the above copyright -# notice, this list of conditions and the following disclaimer. -# -# 2. Redistributions in binary form must reproduce the above copyright -# notice, this list of conditions and the following disclaimer in -# the documentation and/or other materials provided with the -# distribution. -# -# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS -# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT -# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS -# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE -# COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, -# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, -# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; -# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT -# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN -# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE -# POSSIBILITY OF SUCH DAMAGE. - -include $(RTE_SDK)/mk/rte.vars.mk - -# -# library name -# -LIB = librte_pmd_enic.a - -EXPORT_MAP := rte_pmd_enic_version.map - -LIBABIVER := 1 - -CFLAGS += -I$(SRCDIR)/vnic/ -CFLAGS += -I$(SRCDIR) -CFLAGS += -O3 -CFLAGS += $(WERROR_FLAGS) -Wno-strict-aliasing - -VPATH += $(SRCDIR)/src - -# -# all source are stored in SRCS-y -# -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic_ethdev.c -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic_main.c -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic_clsf.c -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += enic_res.c -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_cq.c -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_wq.c -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_dev.c -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_intr.c -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_rq.c -SRCS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += vnic/vnic_rss.c - -# this lib depends upon: -DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_eal lib/librte_ether -DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_mempool lib/librte_mbuf -DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_net lib/librte_malloc -DEPDIRS-$(CONFIG_RTE_LIBRTE_ENIC_PMD) += lib/librte_hash - -include $(RTE_SDK)/mk/rte.lib.mk diff --git a/lib/librte_pmd_enic/enic.h b/lib/librte_pmd_enic/enic.h deleted file mode 100644 index 1417b0c..0000000 --- a/lib/librte_pmd_enic/enic.h +++ /dev/null @@ -1,200 +0,0 @@ -/* - * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id$" - -#ifndef _ENIC_H_ -#define _ENIC_H_ - -#include "vnic_enet.h" -#include "vnic_dev.h" -#include "vnic_wq.h" -#include "vnic_rq.h" -#include "vnic_cq.h" -#include "vnic_intr.h" -#include "vnic_stats.h" -#include "vnic_nic.h" -#include "vnic_rss.h" -#include "enic_res.h" - -#define DRV_NAME "enic_pmd" -#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver" -#define DRV_VERSION "1.0.0.5" -#define DRV_COPYRIGHT "Copyright 2008-2015 Cisco Systems, Inc" - -#define ENIC_WQ_MAX 8 -#define ENIC_RQ_MAX 8 -#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX) -#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2) - -#define VLAN_ETH_HLEN 18 - -#define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0) - -#define ENICPMD_BDF_LENGTH 13 /* 0000:00:00.0'\0' */ -#define PKT_TX_TCP_UDP_CKSUM 0x6000 -#define ENIC_CALC_IP_CKSUM 1 -#define ENIC_CALC_TCP_UDP_CKSUM 2 -#define ENIC_MAX_MTU 9000 -#define ENIC_PAGE_SIZE 4096 -#define PAGE_ROUND_UP(x) \ - ((((unsigned long)(x)) + ENIC_PAGE_SIZE-1) & (~(ENIC_PAGE_SIZE-1))) - -#define ENICPMD_VFIO_PATH "/dev/vfio/vfio" -/*#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)*/ - -#define PCI_DEVICE_ID_CISCO_VIC_ENET 0x0043 /* ethernet vnic */ -#define PCI_DEVICE_ID_CISCO_VIC_ENET_VF 0x0071 /* enet SRIOV VF */ - - -#define ENICPMD_FDIR_MAX 64 - -struct enic_fdir_node { - struct rte_eth_fdir_filter filter; - u16 fltr_id; - u16 rq_index; -}; - -struct enic_fdir { - struct rte_eth_fdir_stats stats; - struct rte_hash *hash; - struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX]; -}; - -/* Per-instance private data structure */ -struct enic { - struct enic *next; - struct rte_pci_device *pdev; - struct vnic_enet_config config; - struct vnic_dev_bar bar0; - struct vnic_dev *vdev; - - unsigned int port_id; - struct rte_eth_dev *rte_dev; - struct enic_fdir fdir; - char bdf_name[ENICPMD_BDF_LENGTH]; - int dev_fd; - int iommu_group_fd; - int iommu_groupid; - int eventfd; - uint8_t mac_addr[ETH_ALEN]; - pthread_t err_intr_thread; - int promisc; - int allmulti; - u8 ig_vlan_strip_en; - int link_status; - u8 hw_ip_checksum; - - unsigned int flags; - unsigned int priv_flags; - - /* work queue */ - struct vnic_wq wq[ENIC_WQ_MAX]; - unsigned int wq_count; - - /* receive queue */ - struct vnic_rq rq[ENIC_RQ_MAX]; - unsigned int rq_count; - - /* completion queue */ - struct vnic_cq cq[ENIC_CQ_MAX]; - unsigned int cq_count; - - /* interrupt resource */ - struct vnic_intr intr; - unsigned int intr_count; -}; - -static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq) -{ - return rq; -} - -static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq) -{ - return enic->rq_count + wq; -} - -static inline unsigned int enic_msix_err_intr(__rte_unused struct enic *enic) -{ - return 0; -} - -static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev) -{ - return (struct enic *)eth_dev->data->dev_private; -} - -extern void enic_fdir_stats_get(struct enic *enic, - struct rte_eth_fdir_stats *stats); -extern int enic_fdir_add_fltr(struct enic *enic, - struct rte_eth_fdir_filter *params); -extern int enic_fdir_del_fltr(struct enic *enic, - struct rte_eth_fdir_filter *params); -extern void enic_free_wq(void *txq); -extern int enic_alloc_intr_resources(struct enic *enic); -extern int enic_setup_finish(struct enic *enic); -extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx, - unsigned int socket_id, uint16_t nb_desc); -extern void enic_start_wq(struct enic *enic, uint16_t queue_idx); -extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx); -extern void enic_start_rq(struct enic *enic, uint16_t queue_idx); -extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx); -extern void enic_free_rq(void *rxq); -extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx, - unsigned int socket_id, struct rte_mempool *mp, - uint16_t nb_desc); -extern int enic_set_rss_nic_cfg(struct enic *enic); -extern int enic_set_vnic_res(struct enic *enic); -extern void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size); -extern int enic_enable(struct enic *enic); -extern int enic_disable(struct enic *enic); -extern void enic_remove(struct enic *enic); -extern int enic_get_link_status(struct enic *enic); -extern void enic_dev_stats_get(struct enic *enic, - struct rte_eth_stats *r_stats); -extern void enic_dev_stats_clear(struct enic *enic); -extern void enic_add_packet_filter(struct enic *enic); -extern void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr); -extern void enic_del_mac_address(struct enic *enic); -extern unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq); -extern int enic_send_pkt(struct enic *enic, struct vnic_wq *wq, - struct rte_mbuf *tx_pkt, unsigned short len, - uint8_t sop, uint8_t eop, - uint16_t ol_flags, uint16_t vlan_tag); -extern int enic_poll(struct vnic_rq *rq, struct rte_mbuf **rx_pkts, - unsigned int budget, unsigned int *work_done); -extern int enic_probe(struct enic *enic); -extern int enic_clsf_init(struct enic *enic); -extern void enic_clsf_destroy(struct enic *enic); -#endif /* _ENIC_H_ */ diff --git a/lib/librte_pmd_enic/enic_clsf.c b/lib/librte_pmd_enic/enic_clsf.c deleted file mode 100644 index ca12d2d..0000000 --- a/lib/librte_pmd_enic/enic_clsf.c +++ /dev/null @@ -1,259 +0,0 @@ -/* - * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id$" - -#include - -#include -#include -#include -#include - -#include "enic_compat.h" -#include "enic.h" -#include "wq_enet_desc.h" -#include "rq_enet_desc.h" -#include "cq_enet_desc.h" -#include "vnic_enet.h" -#include "vnic_dev.h" -#include "vnic_wq.h" -#include "vnic_rq.h" -#include "vnic_cq.h" -#include "vnic_intr.h" -#include "vnic_nic.h" - -#ifdef RTE_MACHINE_CPUFLAG_SSE4_2 -#include -#define DEFAULT_HASH_FUNC rte_hash_crc -#else -#include -#define DEFAULT_HASH_FUNC rte_jhash -#endif - -#define SOCKET_0 0 -#define ENICPMD_CLSF_HASH_ENTRIES ENICPMD_FDIR_MAX -#define ENICPMD_CLSF_BUCKET_ENTRIES 4 - -void enic_fdir_stats_get(struct enic *enic, struct rte_eth_fdir_stats *stats) -{ - *stats = enic->fdir.stats; -} - -int enic_fdir_del_fltr(struct enic *enic, struct rte_eth_fdir_filter *params) -{ - int32_t pos; - struct enic_fdir_node *key; - /* See if the key is in the table */ - pos = rte_hash_del_key(enic->fdir.hash, params); - switch (pos) { - case -EINVAL: - case -ENOENT: - enic->fdir.stats.f_remove++; - return -EINVAL; - default: - /* The entry is present in the table */ - key = enic->fdir.nodes[pos]; - - /* Delete the filter */ - vnic_dev_classifier(enic->vdev, CLSF_DEL, - &key->fltr_id, NULL); - rte_free(key); - enic->fdir.nodes[pos] = NULL; - enic->fdir.stats.free++; - enic->fdir.stats.remove++; - break; - } - return 0; -} - -int enic_fdir_add_fltr(struct enic *enic, struct rte_eth_fdir_filter *params) -{ - struct enic_fdir_node *key; - struct filter fltr = {0}; - int32_t pos; - u8 do_free = 0; - u16 old_fltr_id = 0; - u32 flowtype_supported; - u16 flex_bytes; - u16 queue; - - flowtype_supported = ( - (RTE_ETH_FLOW_NONFRAG_IPV4_TCP == params->input.flow_type) || - (RTE_ETH_FLOW_NONFRAG_IPV4_UDP == params->input.flow_type)); - - flex_bytes = ((params->input.flow_ext.flexbytes[1] << 8 & 0xFF00) | - (params->input.flow_ext.flexbytes[0] & 0xFF)); - - if (!enic->fdir.hash || - (params->input.flow_ext.vlan_tci & 0xFFF) || - !flowtype_supported || flex_bytes || - params->action.behavior /* drop */) { - enic->fdir.stats.f_add++; - return -ENOTSUP; - } - - queue = params->action.rx_queue; - /* See if the key is already there in the table */ - pos = rte_hash_del_key(enic->fdir.hash, params); - switch (pos) { - case -EINVAL: - enic->fdir.stats.f_add++; - return -EINVAL; - case -ENOENT: - /* Add a new classifier entry */ - if (!enic->fdir.stats.free) { - enic->fdir.stats.f_add++; - return -ENOSPC; - } - key = rte_zmalloc("enic_fdir_node", - sizeof(struct enic_fdir_node), 0); - if (!key) { - enic->fdir.stats.f_add++; - return -ENOMEM; - } - break; - default: - /* The entry is already present in the table. - * Check if there is a change in queue - */ - key = enic->fdir.nodes[pos]; - enic->fdir.nodes[pos] = NULL; - if (unlikely(key->rq_index == queue)) { - /* Nothing to be done */ - pos = rte_hash_add_key(enic->fdir.hash, params); - enic->fdir.nodes[pos] = key; - enic->fdir.stats.f_add++; - dev_warning(enic, - "FDIR rule is already present\n"); - return 0; - } - - if (likely(enic->fdir.stats.free)) { - /* Add the filter and then delete the old one. - * This is to avoid packets from going into the - * default queue during the window between - * delete and add - */ - do_free = 1; - old_fltr_id = key->fltr_id; - } else { - /* No free slots in the classifier. - * Delete the filter and add the modified one later - */ - vnic_dev_classifier(enic->vdev, CLSF_DEL, - &key->fltr_id, NULL); - enic->fdir.stats.free++; - } - - break; - } - - key->filter = *params; - key->rq_index = queue; - - fltr.type = FILTER_IPV4_5TUPLE; - fltr.u.ipv4.src_addr = rte_be_to_cpu_32( - params->input.flow.ip4_flow.src_ip); - fltr.u.ipv4.dst_addr = rte_be_to_cpu_32( - params->input.flow.ip4_flow.dst_ip); - fltr.u.ipv4.src_port = rte_be_to_cpu_16( - params->input.flow.udp4_flow.src_port); - fltr.u.ipv4.dst_port = rte_be_to_cpu_16( - params->input.flow.udp4_flow.dst_port); - - if (RTE_ETH_FLOW_NONFRAG_IPV4_TCP == params->input.flow_type) - fltr.u.ipv4.protocol = PROTO_TCP; - else - fltr.u.ipv4.protocol = PROTO_UDP; - - fltr.u.ipv4.flags = FILTER_FIELDS_IPV4_5TUPLE; - - if (!vnic_dev_classifier(enic->vdev, CLSF_ADD, &queue, &fltr)) { - key->fltr_id = queue; - } else { - dev_err(enic, "Add classifier entry failed\n"); - enic->fdir.stats.f_add++; - rte_free(key); - return -1; - } - - if (do_free) - vnic_dev_classifier(enic->vdev, CLSF_DEL, &old_fltr_id, NULL); - else{ - enic->fdir.stats.free--; - enic->fdir.stats.add++; - } - - pos = rte_hash_add_key(enic->fdir.hash, (void *)key); - enic->fdir.nodes[pos] = key; - return 0; -} - -void enic_clsf_destroy(struct enic *enic) -{ - u32 index; - struct enic_fdir_node *key; - /* delete classifier entries */ - for (index = 0; index < ENICPMD_FDIR_MAX; index++) { - key = enic->fdir.nodes[index]; - if (key) { - vnic_dev_classifier(enic->vdev, CLSF_DEL, - &key->fltr_id, NULL); - rte_free(key); - } - } - - if (enic->fdir.hash) { - rte_hash_free(enic->fdir.hash); - enic->fdir.hash = NULL; - } -} - -int enic_clsf_init(struct enic *enic) -{ - struct rte_hash_parameters hash_params = { - .name = "enicpmd_clsf_hash", - .entries = ENICPMD_CLSF_HASH_ENTRIES, - .bucket_entries = ENICPMD_CLSF_BUCKET_ENTRIES, - .key_len = RTE_HASH_KEY_LENGTH_MAX, - .hash_func = DEFAULT_HASH_FUNC, - .hash_func_init_val = 0, - .socket_id = SOCKET_0, - }; - - enic->fdir.hash = rte_hash_create(&hash_params); - memset(&enic->fdir.stats, 0, sizeof(enic->fdir.stats)); - enic->fdir.stats.free = ENICPMD_FDIR_MAX; - return (NULL == enic->fdir.hash); -} diff --git a/lib/librte_pmd_enic/enic_compat.h b/lib/librte_pmd_enic/enic_compat.h deleted file mode 100644 index f3598ed..0000000 --- a/lib/librte_pmd_enic/enic_compat.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id$" - -#ifndef _ENIC_COMPAT_H_ -#define _ENIC_COMPAT_H_ - -#include -#include - -#include -#include -#include - -#define ENIC_PAGE_ALIGN 4096UL -#define ENIC_ALIGN ENIC_PAGE_ALIGN -#define NAME_MAX 255 -#define ETH_ALEN 6 - -#define __iomem - -#define rmb() rte_rmb() /* dpdk rte provided rmb */ -#define wmb() rte_wmb() /* dpdk rte provided wmb */ - -#define le16_to_cpu -#define le32_to_cpu -#define le64_to_cpu -#define cpu_to_le16 -#define cpu_to_le32 -#define cpu_to_le64 - -#ifndef offsetof -#define offsetof(t, m) ((size_t) &((t *)0)->m) -#endif - -#define pr_err(y, args...) dev_err(0, y, ##args) -#define pr_warn(y, args...) dev_warning(0, y, ##args) -#define BUG() pr_err("BUG at %s:%d", __func__, __LINE__) - -#define VNIC_ALIGN(x, a) __ALIGN_MASK(x, (typeof(x))(a)-1) -#define __ALIGN_MASK(x, mask) (((x)+(mask))&~(mask)) -#define udelay usleep -#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d)) - -#define kzalloc(size, flags) calloc(1, size) -#define kfree(x) free(x) - -#define dev_printk(level, fmt, args...) \ - RTE_LOG(level, PMD, "rte_enic_pmd: " fmt, ## args) - -#define dev_err(x, args...) dev_printk(ERR, args) -#define dev_info(x, args...) dev_printk(INFO, args) -#define dev_warning(x, args...) dev_printk(WARNING, args) -#define dev_debug(x, args...) dev_printk(DEBUG, args) - -#define __le16 u16 -#define __le32 u32 -#define __le64 u64 - -typedef unsigned char u8; -typedef unsigned short u16; -typedef unsigned int u32; -typedef unsigned long long u64; -typedef unsigned long long dma_addr_t; - -static inline uint32_t ioread32(volatile void *addr) -{ - return *(volatile uint32_t *)addr; -} - -static inline uint16_t ioread16(volatile void *addr) -{ - return *(volatile uint16_t *)addr; -} - -static inline uint8_t ioread8(volatile void *addr) -{ - return *(volatile uint8_t *)addr; -} - -static inline void iowrite32(uint32_t val, volatile void *addr) -{ - *(volatile uint32_t *)addr = val; -} - -static inline void iowrite16(uint16_t val, volatile void *addr) -{ - *(volatile uint16_t *)addr = val; -} - -static inline void iowrite8(uint8_t val, volatile void *addr) -{ - *(volatile uint8_t *)addr = val; -} - -static inline unsigned int readl(volatile void __iomem *addr) -{ - return *(volatile unsigned int *)addr; -} - -static inline void writel(unsigned int val, volatile void __iomem *addr) -{ - *(volatile unsigned int *)addr = val; -} - -#define min_t(type, x, y) ({ \ - type __min1 = (x); \ - type __min2 = (y); \ - __min1 < __min2 ? __min1 : __min2; }) - -#define max_t(type, x, y) ({ \ - type __max1 = (x); \ - type __max2 = (y); \ - __max1 > __max2 ? __max1 : __max2; }) - -#endif /* _ENIC_COMPAT_H_ */ diff --git a/lib/librte_pmd_enic/enic_ethdev.c b/lib/librte_pmd_enic/enic_ethdev.c deleted file mode 100644 index 69ad01b..0000000 --- a/lib/librte_pmd_enic/enic_ethdev.c +++ /dev/null @@ -1,640 +0,0 @@ -/* - * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id$" - -#include -#include - -#include -#include -#include -#include - -#include "vnic_intr.h" -#include "vnic_cq.h" -#include "vnic_wq.h" -#include "vnic_rq.h" -#include "vnic_enet.h" -#include "enic.h" - -#ifdef RTE_LIBRTE_ENIC_DEBUG -#define ENICPMD_FUNC_TRACE() \ - RTE_LOG(DEBUG, PMD, "ENICPMD trace: %s\n", __func__) -#else -#define ENICPMD_FUNC_TRACE() (void)0 -#endif - -/* - * The set of PCI devices this driver supports - */ -static const struct rte_pci_id pci_id_enic_map[] = { -#define RTE_PCI_DEV_ID_DECL_ENIC(vend, dev) {RTE_PCI_DEVICE(vend, dev)}, -#ifndef PCI_VENDOR_ID_CISCO -#define PCI_VENDOR_ID_CISCO 0x1137 -#endif -#include "rte_pci_dev_ids.h" -RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET) -RTE_PCI_DEV_ID_DECL_ENIC(PCI_VENDOR_ID_CISCO, PCI_DEVICE_ID_CISCO_VIC_ENET_VF) -{.vendor_id = 0, /* Sentinal */}, -}; - -static int -enicpmd_fdir_ctrl_func(struct rte_eth_dev *eth_dev, - enum rte_filter_op filter_op, void *arg) -{ - struct enic *enic = pmd_priv(eth_dev); - int ret = 0; - - ENICPMD_FUNC_TRACE(); - if (filter_op == RTE_ETH_FILTER_NOP) - return 0; - - if (arg == NULL && filter_op != RTE_ETH_FILTER_FLUSH) - return -EINVAL; - - switch (filter_op) { - case RTE_ETH_FILTER_ADD: - case RTE_ETH_FILTER_UPDATE: - ret = enic_fdir_add_fltr(enic, - (struct rte_eth_fdir_filter *)arg); - break; - - case RTE_ETH_FILTER_DELETE: - ret = enic_fdir_del_fltr(enic, - (struct rte_eth_fdir_filter *)arg); - break; - - case RTE_ETH_FILTER_STATS: - enic_fdir_stats_get(enic, (struct rte_eth_fdir_stats *)arg); - break; - - case RTE_ETH_FILTER_FLUSH: - case RTE_ETH_FILTER_INFO: - dev_warning(enic, "unsupported operation %u", filter_op); - ret = -ENOTSUP; - break; - default: - dev_err(enic, "unknown operation %u", filter_op); - ret = -EINVAL; - break; - } - return ret; -} - -static int -enicpmd_dev_filter_ctrl(struct rte_eth_dev *dev, - enum rte_filter_type filter_type, - enum rte_filter_op filter_op, - void *arg) -{ - int ret = -EINVAL; - - if (RTE_ETH_FILTER_FDIR == filter_type) - ret = enicpmd_fdir_ctrl_func(dev, filter_op, arg); - else - dev_warning(enic, "Filter type (%d) not supported", - filter_type); - - return ret; -} - -static void enicpmd_dev_tx_queue_release(void *txq) -{ - ENICPMD_FUNC_TRACE(); - enic_free_wq(txq); -} - -static int enicpmd_dev_setup_intr(struct enic *enic) -{ - int ret; - unsigned int index; - - ENICPMD_FUNC_TRACE(); - - /* Are we done with the init of all the queues? */ - for (index = 0; index < enic->cq_count; index++) { - if (!enic->cq[index].ctrl) - break; - } - - if (enic->cq_count != index) - return 0; - - ret = enic_alloc_intr_resources(enic); - if (ret) { - dev_err(enic, "alloc intr failed\n"); - return ret; - } - enic_init_vnic_resources(enic); - - ret = enic_setup_finish(enic); - if (ret) - dev_err(enic, "setup could not be finished\n"); - - return ret; -} - -static int enicpmd_dev_tx_queue_setup(struct rte_eth_dev *eth_dev, - uint16_t queue_idx, - uint16_t nb_desc, - unsigned int socket_id, - __rte_unused const struct rte_eth_txconf *tx_conf) -{ - int ret; - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - eth_dev->data->tx_queues[queue_idx] = (void *)&enic->wq[queue_idx]; - - ret = enic_alloc_wq(enic, queue_idx, socket_id, nb_desc); - if (ret) { - dev_err(enic, "error in allocating wq\n"); - return ret; - } - - return enicpmd_dev_setup_intr(enic); -} - -static int enicpmd_dev_tx_queue_start(struct rte_eth_dev *eth_dev, - uint16_t queue_idx) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - - enic_start_wq(enic, queue_idx); - - return 0; -} - -static int enicpmd_dev_tx_queue_stop(struct rte_eth_dev *eth_dev, - uint16_t queue_idx) -{ - int ret; - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - - ret = enic_stop_wq(enic, queue_idx); - if (ret) - dev_err(enic, "error in stopping wq %d\n", queue_idx); - - return ret; -} - -static int enicpmd_dev_rx_queue_start(struct rte_eth_dev *eth_dev, - uint16_t queue_idx) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - - enic_start_rq(enic, queue_idx); - - return 0; -} - -static int enicpmd_dev_rx_queue_stop(struct rte_eth_dev *eth_dev, - uint16_t queue_idx) -{ - int ret; - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - - ret = enic_stop_rq(enic, queue_idx); - if (ret) - dev_err(enic, "error in stopping rq %d\n", queue_idx); - - return ret; -} - -static void enicpmd_dev_rx_queue_release(void *rxq) -{ - ENICPMD_FUNC_TRACE(); - enic_free_rq(rxq); -} - -static int enicpmd_dev_rx_queue_setup(struct rte_eth_dev *eth_dev, - uint16_t queue_idx, - uint16_t nb_desc, - unsigned int socket_id, - __rte_unused const struct rte_eth_rxconf *rx_conf, - struct rte_mempool *mp) -{ - int ret; - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - eth_dev->data->rx_queues[queue_idx] = (void *)&enic->rq[queue_idx]; - - ret = enic_alloc_rq(enic, queue_idx, socket_id, mp, nb_desc); - if (ret) { - dev_err(enic, "error in allocating rq\n"); - return ret; - } - - return enicpmd_dev_setup_intr(enic); -} - -static int enicpmd_vlan_filter_set(struct rte_eth_dev *eth_dev, - uint16_t vlan_id, int on) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - if (on) - enic_add_vlan(enic, vlan_id); - else - enic_del_vlan(enic, vlan_id); - return 0; -} - -static void enicpmd_vlan_offload_set(struct rte_eth_dev *eth_dev, int mask) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - - if (mask & ETH_VLAN_STRIP_MASK) { - if (eth_dev->data->dev_conf.rxmode.hw_vlan_strip) - enic->ig_vlan_strip_en = 1; - else - enic->ig_vlan_strip_en = 0; - } - enic_set_rss_nic_cfg(enic); - - - if (mask & ETH_VLAN_FILTER_MASK) { - dev_warning(enic, - "Configuration of VLAN filter is not supported\n"); - } - - if (mask & ETH_VLAN_EXTEND_MASK) { - dev_warning(enic, - "Configuration of extended VLAN is not supported\n"); - } -} - -static int enicpmd_dev_configure(struct rte_eth_dev *eth_dev) -{ - int ret; - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - ret = enic_set_vnic_res(enic); - if (ret) { - dev_err(enic, "Set vNIC resource num failed, aborting\n"); - return ret; - } - - if (eth_dev->data->dev_conf.rxmode.split_hdr_size && - eth_dev->data->dev_conf.rxmode.header_split) { - /* Enable header-data-split */ - enic_set_hdr_split_size(enic, - eth_dev->data->dev_conf.rxmode.split_hdr_size); - } - - enic->hw_ip_checksum = eth_dev->data->dev_conf.rxmode.hw_ip_checksum; - return 0; -} - -/* Start the device. - * It returns 0 on success. - */ -static int enicpmd_dev_start(struct rte_eth_dev *eth_dev) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - return enic_enable(enic); -} - -/* - * Stop device: disable rx and tx functions to allow for reconfiguring. - */ -static void enicpmd_dev_stop(struct rte_eth_dev *eth_dev) -{ - struct rte_eth_link link; - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic_disable(enic); - memset(&link, 0, sizeof(link)); - rte_atomic64_cmpset((uint64_t *)ð_dev->data->dev_link, - *(uint64_t *)ð_dev->data->dev_link, - *(uint64_t *)&link); -} - -/* - * Stop device. - */ -static void enicpmd_dev_close(struct rte_eth_dev *eth_dev) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic_remove(enic); -} - -static int enicpmd_dev_link_update(struct rte_eth_dev *eth_dev, - __rte_unused int wait_to_complete) -{ - struct enic *enic = pmd_priv(eth_dev); - int ret; - int link_status = 0; - - ENICPMD_FUNC_TRACE(); - link_status = enic_get_link_status(enic); - ret = (link_status == enic->link_status); - enic->link_status = link_status; - eth_dev->data->dev_link.link_status = link_status; - eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX; - eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev); - return ret; -} - -static void enicpmd_dev_stats_get(struct rte_eth_dev *eth_dev, - struct rte_eth_stats *stats) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic_dev_stats_get(enic, stats); -} - -static void enicpmd_dev_stats_reset(struct rte_eth_dev *eth_dev) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic_dev_stats_clear(enic); -} - -static void enicpmd_dev_info_get(struct rte_eth_dev *eth_dev, - struct rte_eth_dev_info *device_info) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - device_info->max_rx_queues = enic->rq_count; - device_info->max_tx_queues = enic->wq_count; - device_info->min_rx_bufsize = ENIC_MIN_MTU; - device_info->max_rx_pktlen = enic->config.mtu; - device_info->max_mac_addrs = 1; - device_info->rx_offload_capa = - DEV_RX_OFFLOAD_VLAN_STRIP | - DEV_RX_OFFLOAD_IPV4_CKSUM | - DEV_RX_OFFLOAD_UDP_CKSUM | - DEV_RX_OFFLOAD_TCP_CKSUM; - device_info->tx_offload_capa = - DEV_TX_OFFLOAD_VLAN_INSERT | - DEV_TX_OFFLOAD_IPV4_CKSUM | - DEV_TX_OFFLOAD_UDP_CKSUM | - DEV_TX_OFFLOAD_TCP_CKSUM; -} - -static void enicpmd_dev_promiscuous_enable(struct rte_eth_dev *eth_dev) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic->promisc = 1; - enic_add_packet_filter(enic); -} - -static void enicpmd_dev_promiscuous_disable(struct rte_eth_dev *eth_dev) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic->promisc = 0; - enic_add_packet_filter(enic); -} - -static void enicpmd_dev_allmulticast_enable(struct rte_eth_dev *eth_dev) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic->allmulti = 1; - enic_add_packet_filter(enic); -} - -static void enicpmd_dev_allmulticast_disable(struct rte_eth_dev *eth_dev) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic->allmulti = 0; - enic_add_packet_filter(enic); -} - -static void enicpmd_add_mac_addr(struct rte_eth_dev *eth_dev, - struct ether_addr *mac_addr, - __rte_unused uint32_t index, __rte_unused uint32_t pool) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic_set_mac_address(enic, mac_addr->addr_bytes); -} - -static void enicpmd_remove_mac_addr(struct rte_eth_dev *eth_dev, __rte_unused uint32_t index) -{ - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - enic_del_mac_address(enic); -} - - -static uint16_t enicpmd_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts, - uint16_t nb_pkts) -{ - unsigned int index; - unsigned int frags; - unsigned int pkt_len; - unsigned int seg_len; - unsigned int inc_len; - unsigned int nb_segs; - struct rte_mbuf *tx_pkt; - struct vnic_wq *wq = (struct vnic_wq *)tx_queue; - struct enic *enic = vnic_dev_priv(wq->vdev); - unsigned short vlan_id; - unsigned short ol_flags; - - for (index = 0; index < nb_pkts; index++) { - tx_pkt = *tx_pkts++; - inc_len = 0; - nb_segs = tx_pkt->nb_segs; - if (nb_segs > vnic_wq_desc_avail(wq)) { - /* wq cleanup and try again */ - if (!enic_cleanup_wq(enic, wq) || - (nb_segs > vnic_wq_desc_avail(wq))) - return index; - } - pkt_len = tx_pkt->pkt_len; - vlan_id = tx_pkt->vlan_tci; - ol_flags = tx_pkt->ol_flags; - for (frags = 0; inc_len < pkt_len; frags++) { - if (!tx_pkt) - break; - seg_len = tx_pkt->data_len; - inc_len += seg_len; - if (enic_send_pkt(enic, wq, tx_pkt, - (unsigned short)seg_len, !frags, - (pkt_len == inc_len), ol_flags, vlan_id)) { - break; - } - tx_pkt = tx_pkt->next; - } - } - - enic_cleanup_wq(enic, wq); - return index; -} - -static uint16_t enicpmd_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts, - uint16_t nb_pkts) -{ - struct vnic_rq *rq = (struct vnic_rq *)rx_queue; - unsigned int work_done; - - if (enic_poll(rq, rx_pkts, (unsigned int)nb_pkts, &work_done)) - dev_err(enic, "error in enicpmd poll\n"); - - return work_done; -} - -static const struct eth_dev_ops enicpmd_eth_dev_ops = { - .dev_configure = enicpmd_dev_configure, - .dev_start = enicpmd_dev_start, - .dev_stop = enicpmd_dev_stop, - .dev_set_link_up = NULL, - .dev_set_link_down = NULL, - .dev_close = enicpmd_dev_close, - .promiscuous_enable = enicpmd_dev_promiscuous_enable, - .promiscuous_disable = enicpmd_dev_promiscuous_disable, - .allmulticast_enable = enicpmd_dev_allmulticast_enable, - .allmulticast_disable = enicpmd_dev_allmulticast_disable, - .link_update = enicpmd_dev_link_update, - .stats_get = enicpmd_dev_stats_get, - .stats_reset = enicpmd_dev_stats_reset, - .queue_stats_mapping_set = NULL, - .dev_infos_get = enicpmd_dev_info_get, - .mtu_set = NULL, - .vlan_filter_set = enicpmd_vlan_filter_set, - .vlan_tpid_set = NULL, - .vlan_offload_set = enicpmd_vlan_offload_set, - .vlan_strip_queue_set = NULL, - .rx_queue_start = enicpmd_dev_rx_queue_start, - .rx_queue_stop = enicpmd_dev_rx_queue_stop, - .tx_queue_start = enicpmd_dev_tx_queue_start, - .tx_queue_stop = enicpmd_dev_tx_queue_stop, - .rx_queue_setup = enicpmd_dev_rx_queue_setup, - .rx_queue_release = enicpmd_dev_rx_queue_release, - .rx_queue_count = NULL, - .rx_descriptor_done = NULL, - .tx_queue_setup = enicpmd_dev_tx_queue_setup, - .tx_queue_release = enicpmd_dev_tx_queue_release, - .dev_led_on = NULL, - .dev_led_off = NULL, - .flow_ctrl_get = NULL, - .flow_ctrl_set = NULL, - .priority_flow_ctrl_set = NULL, - .mac_addr_add = enicpmd_add_mac_addr, - .mac_addr_remove = enicpmd_remove_mac_addr, - .fdir_set_masks = NULL, - .filter_ctrl = enicpmd_dev_filter_ctrl, -}; - -struct enic *enicpmd_list_head = NULL; -/* Initialize the driver - * It returns 0 on success. - */ -static int eth_enicpmd_dev_init(struct rte_eth_dev *eth_dev) -{ - struct rte_pci_device *pdev; - struct rte_pci_addr *addr; - struct enic *enic = pmd_priv(eth_dev); - - ENICPMD_FUNC_TRACE(); - - enic->port_id = eth_dev->data->port_id; - enic->rte_dev = eth_dev; - eth_dev->dev_ops = &enicpmd_eth_dev_ops; - eth_dev->rx_pkt_burst = &enicpmd_recv_pkts; - eth_dev->tx_pkt_burst = &enicpmd_xmit_pkts; - - pdev = eth_dev->pci_dev; - enic->pdev = pdev; - addr = &pdev->addr; - - snprintf(enic->bdf_name, ENICPMD_BDF_LENGTH, "%04x:%02x:%02x.%x", - addr->domain, addr->bus, addr->devid, addr->function); - - return enic_probe(enic); -} - -static struct eth_driver rte_enic_pmd = { - { - .name = "rte_enic_pmd", - .id_table = pci_id_enic_map, - .drv_flags = RTE_PCI_DRV_NEED_MAPPING, - }, - .eth_dev_init = eth_enicpmd_dev_init, - .dev_private_size = sizeof(struct enic), -}; - -/* Driver initialization routine. - * Invoked once at EAL init time. - * Register as the [Poll Mode] Driver of Cisco ENIC device. - */ -static int -rte_enic_pmd_init(const char *name __rte_unused, - const char *params __rte_unused) -{ - ENICPMD_FUNC_TRACE(); - - rte_eth_driver_register(&rte_enic_pmd); - return 0; -} - -static struct rte_driver rte_enic_driver = { - .type = PMD_PDEV, - .init = rte_enic_pmd_init, -}; - -PMD_REGISTER_DRIVER(rte_enic_driver); diff --git a/lib/librte_pmd_enic/enic_main.c b/lib/librte_pmd_enic/enic_main.c deleted file mode 100644 index 15313c2..0000000 --- a/lib/librte_pmd_enic/enic_main.c +++ /dev/null @@ -1,1117 +0,0 @@ -/* - * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id$" - -#include - -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include - -#include "enic_compat.h" -#include "enic.h" -#include "wq_enet_desc.h" -#include "rq_enet_desc.h" -#include "cq_enet_desc.h" -#include "vnic_enet.h" -#include "vnic_dev.h" -#include "vnic_wq.h" -#include "vnic_rq.h" -#include "vnic_cq.h" -#include "vnic_intr.h" -#include "vnic_nic.h" - -static inline int enic_is_sriov_vf(struct enic *enic) -{ - return enic->pdev->id.device_id == PCI_DEVICE_ID_CISCO_VIC_ENET_VF; -} - -static int is_zero_addr(uint8_t *addr) -{ - return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]); -} - -static int is_mcast_addr(uint8_t *addr) -{ - return addr[0] & 1; -} - -static int is_eth_addr_valid(uint8_t *addr) -{ - return !is_mcast_addr(addr) && !is_zero_addr(addr); -} - -static inline struct rte_mbuf * -enic_rxmbuf_alloc(struct rte_mempool *mp) -{ - struct rte_mbuf *m; - - m = __rte_mbuf_raw_alloc(mp); - __rte_mbuf_sanity_check_raw(m, 0); - return m; -} - -void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size) -{ - vnic_set_hdr_split_size(enic->vdev, split_hdr_size); -} - -static void enic_free_wq_buf(__rte_unused struct vnic_wq *wq, struct vnic_wq_buf *buf) -{ - struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->os_buf; - - rte_mempool_put(mbuf->pool, mbuf); - buf->os_buf = NULL; -} - -static void enic_wq_free_buf(struct vnic_wq *wq, - __rte_unused struct cq_desc *cq_desc, - struct vnic_wq_buf *buf, - __rte_unused void *opaque) -{ - enic_free_wq_buf(wq, buf); -} - -static int enic_wq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc, - __rte_unused u8 type, u16 q_number, u16 completed_index, void *opaque) -{ - struct enic *enic = vnic_dev_priv(vdev); - - vnic_wq_service(&enic->wq[q_number], cq_desc, - completed_index, enic_wq_free_buf, - opaque); - - return 0; -} - -static void enic_log_q_error(struct enic *enic) -{ - unsigned int i; - u32 error_status; - - for (i = 0; i < enic->wq_count; i++) { - error_status = vnic_wq_error_status(&enic->wq[i]); - if (error_status) - dev_err(enic, "WQ[%d] error_status %d\n", i, - error_status); - } - - for (i = 0; i < enic->rq_count; i++) { - error_status = vnic_rq_error_status(&enic->rq[i]); - if (error_status) - dev_err(enic, "RQ[%d] error_status %d\n", i, - error_status); - } -} - -unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq) -{ - unsigned int cq = enic_cq_wq(enic, wq->index); - - /* Return the work done */ - return vnic_cq_service(&enic->cq[cq], - -1 /*wq_work_to_do*/, enic_wq_service, NULL); -} - - -int enic_send_pkt(struct enic *enic, struct vnic_wq *wq, - struct rte_mbuf *tx_pkt, unsigned short len, - uint8_t sop, uint8_t eop, - uint16_t ol_flags, uint16_t vlan_tag) -{ - struct wq_enet_desc *desc = vnic_wq_next_desc(wq); - uint16_t mss = 0; - uint8_t cq_entry = eop; - uint8_t vlan_tag_insert = 0; - uint64_t bus_addr = (dma_addr_t) - (tx_pkt->buf_physaddr + RTE_PKTMBUF_HEADROOM); - - if (sop) { - if (ol_flags & PKT_TX_VLAN_PKT) - vlan_tag_insert = 1; - - if (enic->hw_ip_checksum) { - if (ol_flags & PKT_TX_IP_CKSUM) - mss |= ENIC_CALC_IP_CKSUM; - - if (ol_flags & PKT_TX_TCP_UDP_CKSUM) - mss |= ENIC_CALC_TCP_UDP_CKSUM; - } - } - - wq_enet_desc_enc(desc, - bus_addr, - len, - mss, - 0 /* header_length */, - 0 /* offload_mode WQ_ENET_OFFLOAD_MODE_CSUM */, - eop, - cq_entry, - 0 /* fcoe_encap */, - vlan_tag_insert, - vlan_tag, - 0 /* loopback */); - - vnic_wq_post(wq, (void *)tx_pkt, bus_addr, len, - sop, eop, - 1 /*desc_skip_cnt*/, - cq_entry, - 0 /*compressed send*/, - 0 /*wrid*/); - - return 0; -} - -void enic_dev_stats_clear(struct enic *enic) -{ - if (vnic_dev_stats_clear(enic->vdev)) - dev_err(enic, "Error in clearing stats\n"); -} - -void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats) -{ - struct vnic_stats *stats; - - if (vnic_dev_stats_dump(enic->vdev, &stats)) { - dev_err(enic, "Error in getting stats\n"); - return; - } - - r_stats->ipackets = stats->rx.rx_frames_ok; - r_stats->opackets = stats->tx.tx_frames_ok; - - r_stats->ibytes = stats->rx.rx_bytes_ok; - r_stats->obytes = stats->tx.tx_bytes_ok; - - r_stats->ierrors = stats->rx.rx_errors; - r_stats->oerrors = stats->tx.tx_errors; - - r_stats->imcasts = stats->rx.rx_multicast_frames_ok; - r_stats->rx_nombuf = stats->rx.rx_no_bufs; -} - -void enic_del_mac_address(struct enic *enic) -{ - if (vnic_dev_del_addr(enic->vdev, enic->mac_addr)) - dev_err(enic, "del mac addr failed\n"); -} - -void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr) -{ - int err; - - if (!is_eth_addr_valid(mac_addr)) { - dev_err(enic, "invalid mac address\n"); - return; - } - - err = vnic_dev_del_addr(enic->vdev, mac_addr); - if (err) { - dev_err(enic, "del mac addr failed\n"); - return; - } - - ether_addr_copy((struct ether_addr *)mac_addr, - (struct ether_addr *)enic->mac_addr); - - err = vnic_dev_add_addr(enic->vdev, mac_addr); - if (err) { - dev_err(enic, "add mac addr failed\n"); - return; - } -} - -static void -enic_free_rq_buf(__rte_unused struct vnic_rq *rq, struct vnic_rq_buf *buf) -{ - if (!buf->os_buf) - return; - - rte_pktmbuf_free((struct rte_mbuf *)buf->os_buf); - buf->os_buf = NULL; -} - -void enic_init_vnic_resources(struct enic *enic) -{ - unsigned int error_interrupt_enable = 1; - unsigned int error_interrupt_offset = 0; - unsigned int index = 0; - - for (index = 0; index < enic->rq_count; index++) { - vnic_rq_init(&enic->rq[index], - enic_cq_rq(enic, index), - error_interrupt_enable, - error_interrupt_offset); - } - - for (index = 0; index < enic->wq_count; index++) { - vnic_wq_init(&enic->wq[index], - enic_cq_wq(enic, index), - error_interrupt_enable, - error_interrupt_offset); - } - - vnic_dev_stats_clear(enic->vdev); - - for (index = 0; index < enic->cq_count; index++) { - vnic_cq_init(&enic->cq[index], - 0 /* flow_control_enable */, - 1 /* color_enable */, - 0 /* cq_head */, - 0 /* cq_tail */, - 1 /* cq_tail_color */, - 0 /* interrupt_enable */, - 1 /* cq_entry_enable */, - 0 /* cq_message_enable */, - 0 /* interrupt offset */, - 0 /* cq_message_addr */); - } - - vnic_intr_init(&enic->intr, - enic->config.intr_timer_usec, - enic->config.intr_timer_type, - /*mask_on_assertion*/1); -} - - -static int enic_rq_alloc_buf(struct vnic_rq *rq) -{ - struct enic *enic = vnic_dev_priv(rq->vdev); - dma_addr_t dma_addr; - struct rq_enet_desc *desc = vnic_rq_next_desc(rq); - uint8_t type = RQ_ENET_TYPE_ONLY_SOP; - u16 split_hdr_size = vnic_get_hdr_split_size(enic->vdev); - struct rte_mbuf *mbuf = enic_rxmbuf_alloc(rq->mp); - struct rte_mbuf *hdr_mbuf = NULL; - - if (!mbuf) { - dev_err(enic, "mbuf alloc in enic_rq_alloc_buf failed\n"); - return -1; - } - - if (unlikely(split_hdr_size)) { - if (vnic_rq_desc_avail(rq) < 2) { - rte_mempool_put(mbuf->pool, mbuf); - return -1; - } - hdr_mbuf = enic_rxmbuf_alloc(rq->mp); - if (!hdr_mbuf) { - rte_mempool_put(mbuf->pool, mbuf); - dev_err(enic, - "hdr_mbuf alloc in enic_rq_alloc_buf failed\n"); - return -1; - } - - hdr_mbuf->data_off = RTE_PKTMBUF_HEADROOM; - - hdr_mbuf->nb_segs = 2; - hdr_mbuf->port = enic->port_id; - hdr_mbuf->next = mbuf; - - dma_addr = (dma_addr_t) - (hdr_mbuf->buf_physaddr + hdr_mbuf->data_off); - - rq_enet_desc_enc(desc, dma_addr, type, split_hdr_size); - - vnic_rq_post(rq, (void *)hdr_mbuf, 0 /*os_buf_index*/, dma_addr, - (unsigned int)split_hdr_size, 0 /*wrid*/); - - desc = vnic_rq_next_desc(rq); - type = RQ_ENET_TYPE_NOT_SOP; - } else { - mbuf->nb_segs = 1; - mbuf->port = enic->port_id; - } - - mbuf->data_off = RTE_PKTMBUF_HEADROOM; - mbuf->next = NULL; - - dma_addr = (dma_addr_t) - (mbuf->buf_physaddr + mbuf->data_off); - - rq_enet_desc_enc(desc, dma_addr, type, mbuf->buf_len); - - vnic_rq_post(rq, (void *)mbuf, 0 /*os_buf_index*/, dma_addr, - (unsigned int)mbuf->buf_len, 0 /*wrid*/); - - return 0; -} - -static int enic_rq_indicate_buf(struct vnic_rq *rq, - struct cq_desc *cq_desc, struct vnic_rq_buf *buf, - int skipped, void *opaque) -{ - struct enic *enic = vnic_dev_priv(rq->vdev); - struct rte_mbuf **rx_pkt_bucket = (struct rte_mbuf **)opaque; - struct rte_mbuf *rx_pkt = NULL; - struct rte_mbuf *hdr_rx_pkt = NULL; - - u8 type, color, eop, sop, ingress_port, vlan_stripped; - u8 fcoe, fcoe_sof, fcoe_fc_crc_ok, fcoe_enc_error, fcoe_eof; - u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok; - u8 ipv6, ipv4, ipv4_fragment, fcs_ok, rss_type, csum_not_calc; - u8 packet_error; - u16 q_number, completed_index, bytes_written, vlan_tci, checksum; - u32 rss_hash; - - cq_enet_rq_desc_dec((struct cq_enet_rq_desc *)cq_desc, - &type, &color, &q_number, &completed_index, - &ingress_port, &fcoe, &eop, &sop, &rss_type, - &csum_not_calc, &rss_hash, &bytes_written, - &packet_error, &vlan_stripped, &vlan_tci, &checksum, - &fcoe_sof, &fcoe_fc_crc_ok, &fcoe_enc_error, - &fcoe_eof, &tcp_udp_csum_ok, &udp, &tcp, - &ipv4_csum_ok, &ipv6, &ipv4, &ipv4_fragment, - &fcs_ok); - - rx_pkt = (struct rte_mbuf *)buf->os_buf; - buf->os_buf = NULL; - - if (unlikely(packet_error)) { - dev_err(enic, "packet error\n"); - rx_pkt->data_len = 0; - return 0; - } - - if (unlikely(skipped)) { - rx_pkt->data_len = 0; - return 0; - } - - if (likely(!vnic_get_hdr_split_size(enic->vdev))) { - /* No header split configured */ - *rx_pkt_bucket = rx_pkt; - rx_pkt->pkt_len = bytes_written; - - if (ipv4) { - rx_pkt->ol_flags |= PKT_RX_IPV4_HDR; - if (!csum_not_calc) { - if (unlikely(!ipv4_csum_ok)) - rx_pkt->ol_flags |= PKT_RX_IP_CKSUM_BAD; - - if ((tcp || udp) && (!tcp_udp_csum_ok)) - rx_pkt->ol_flags |= PKT_RX_L4_CKSUM_BAD; - } - } else if (ipv6) - rx_pkt->ol_flags |= PKT_RX_IPV6_HDR; - } else { - /* Header split */ - if (sop && !eop) { - /* This piece is header */ - *rx_pkt_bucket = rx_pkt; - rx_pkt->pkt_len = bytes_written; - } else { - if (sop && eop) { - /* The packet is smaller than split_hdr_size */ - *rx_pkt_bucket = rx_pkt; - rx_pkt->pkt_len = bytes_written; - if (ipv4) { - rx_pkt->ol_flags |= PKT_RX_IPV4_HDR; - if (!csum_not_calc) { - if (unlikely(!ipv4_csum_ok)) - rx_pkt->ol_flags |= - PKT_RX_IP_CKSUM_BAD; - - if ((tcp || udp) && - (!tcp_udp_csum_ok)) - rx_pkt->ol_flags |= - PKT_RX_L4_CKSUM_BAD; - } - } else if (ipv6) - rx_pkt->ol_flags |= PKT_RX_IPV6_HDR; - } else { - /* Payload */ - hdr_rx_pkt = *rx_pkt_bucket; - hdr_rx_pkt->pkt_len += bytes_written; - if (ipv4) { - hdr_rx_pkt->ol_flags |= PKT_RX_IPV4_HDR; - if (!csum_not_calc) { - if (unlikely(!ipv4_csum_ok)) - hdr_rx_pkt->ol_flags |= - PKT_RX_IP_CKSUM_BAD; - - if ((tcp || udp) && - (!tcp_udp_csum_ok)) - hdr_rx_pkt->ol_flags |= - PKT_RX_L4_CKSUM_BAD; - } - } else if (ipv6) - hdr_rx_pkt->ol_flags |= PKT_RX_IPV6_HDR; - - } - } - } - - rx_pkt->data_len = bytes_written; - - if (rss_hash) { - rx_pkt->ol_flags |= PKT_RX_RSS_HASH; - rx_pkt->hash.rss = rss_hash; - } - - if (vlan_tci) { - rx_pkt->ol_flags |= PKT_RX_VLAN_PKT; - rx_pkt->vlan_tci = vlan_tci; - } - - return eop; -} - -static int enic_rq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc, - __rte_unused u8 type, u16 q_number, u16 completed_index, void *opaque) -{ - struct enic *enic = vnic_dev_priv(vdev); - - return vnic_rq_service(&enic->rq[q_number], cq_desc, - completed_index, VNIC_RQ_RETURN_DESC, - enic_rq_indicate_buf, opaque); - -} - -int enic_poll(struct vnic_rq *rq, struct rte_mbuf **rx_pkts, - unsigned int budget, unsigned int *work_done) -{ - struct enic *enic = vnic_dev_priv(rq->vdev); - unsigned int cq = enic_cq_rq(enic, rq->index); - int err = 0; - - *work_done = vnic_cq_service(&enic->cq[cq], - budget, enic_rq_service, (void *)rx_pkts); - - if (*work_done) { - vnic_rq_fill(rq, enic_rq_alloc_buf); - - /* Need at least one buffer on ring to get going */ - if (vnic_rq_desc_used(rq) == 0) { - dev_err(enic, "Unable to alloc receive buffers\n"); - err = -1; - } - } - return err; -} - -static void * -enic_alloc_consistent(__rte_unused void *priv, size_t size, - dma_addr_t *dma_handle, u8 *name) -{ - void *vaddr; - const struct rte_memzone *rz; - *dma_handle = 0; - - rz = rte_memzone_reserve_aligned((const char *)name, - size, 0, 0, ENIC_ALIGN); - if (!rz) { - pr_err("%s : Failed to allocate memory requested for %s", - __func__, name); - return NULL; - } - - vaddr = rz->addr; - *dma_handle = (dma_addr_t)rz->phys_addr; - - return vaddr; -} - -static void -enic_free_consistent(__rte_unused struct rte_pci_device *hwdev, - __rte_unused size_t size, - __rte_unused void *vaddr, - __rte_unused dma_addr_t dma_handle) -{ - /* Nothing to be done */ -} - -static void -enic_intr_handler(__rte_unused struct rte_intr_handle *handle, - void *arg) -{ - struct enic *enic = pmd_priv((struct rte_eth_dev *)arg); - - vnic_intr_return_all_credits(&enic->intr); - - enic_log_q_error(enic); -} - -int enic_enable(struct enic *enic) -{ - unsigned int index; - struct rte_eth_dev *eth_dev = enic->rte_dev; - - eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev); - eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX; - vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */ - - if (enic_clsf_init(enic)) - dev_warning(enic, "Init of hash table for clsf failed."\ - "Flow director feature will not work\n"); - - /* Fill RQ bufs */ - for (index = 0; index < enic->rq_count; index++) { - vnic_rq_fill(&enic->rq[index], enic_rq_alloc_buf); - - /* Need at least one buffer on ring to get going - */ - if (vnic_rq_desc_used(&enic->rq[index]) == 0) { - dev_err(enic, "Unable to alloc receive buffers\n"); - return -1; - } - } - - for (index = 0; index < enic->wq_count; index++) - vnic_wq_enable(&enic->wq[index]); - for (index = 0; index < enic->rq_count; index++) - vnic_rq_enable(&enic->rq[index]); - - vnic_dev_enable_wait(enic->vdev); - - /* Register and enable error interrupt */ - rte_intr_callback_register(&(enic->pdev->intr_handle), - enic_intr_handler, (void *)enic->rte_dev); - - rte_intr_enable(&(enic->pdev->intr_handle)); - vnic_intr_unmask(&enic->intr); - - return 0; -} - -int enic_alloc_intr_resources(struct enic *enic) -{ - int err; - - dev_info(enic, "vNIC resources used: "\ - "wq %d rq %d cq %d intr %d\n", - enic->wq_count, enic->rq_count, - enic->cq_count, enic->intr_count); - - err = vnic_intr_alloc(enic->vdev, &enic->intr, 0); - if (err) - enic_free_vnic_resources(enic); - - return err; -} - -void enic_free_rq(void *rxq) -{ - struct vnic_rq *rq = (struct vnic_rq *)rxq; - struct enic *enic = vnic_dev_priv(rq->vdev); - - vnic_rq_free(rq); - vnic_cq_free(&enic->cq[rq->index]); -} - -void enic_start_wq(struct enic *enic, uint16_t queue_idx) -{ - vnic_wq_enable(&enic->wq[queue_idx]); -} - -int enic_stop_wq(struct enic *enic, uint16_t queue_idx) -{ - return vnic_wq_disable(&enic->wq[queue_idx]); -} - -void enic_start_rq(struct enic *enic, uint16_t queue_idx) -{ - vnic_rq_enable(&enic->rq[queue_idx]); -} - -int enic_stop_rq(struct enic *enic, uint16_t queue_idx) -{ - return vnic_rq_disable(&enic->rq[queue_idx]); -} - -int enic_alloc_rq(struct enic *enic, uint16_t queue_idx, - unsigned int socket_id, struct rte_mempool *mp, - uint16_t nb_desc) -{ - int err; - struct vnic_rq *rq = &enic->rq[queue_idx]; - - rq->socket_id = socket_id; - rq->mp = mp; - - if (nb_desc) { - if (nb_desc > enic->config.rq_desc_count) { - dev_warning(enic, - "RQ %d - number of rx desc in cmd line (%d)"\ - "is greater than that in the UCSM/CIMC adapter"\ - "policy. Applying the value in the adapter "\ - "policy (%d).\n", - queue_idx, nb_desc, enic->config.rq_desc_count); - } else if (nb_desc != enic->config.rq_desc_count) { - enic->config.rq_desc_count = nb_desc; - dev_info(enic, - "RX Queues - effective number of descs:%d\n", - nb_desc); - } - } - - /* Allocate queue resources */ - err = vnic_rq_alloc(enic->vdev, &enic->rq[queue_idx], queue_idx, - enic->config.rq_desc_count, - sizeof(struct rq_enet_desc)); - if (err) { - dev_err(enic, "error in allocation of rq\n"); - return err; - } - - err = vnic_cq_alloc(enic->vdev, &enic->cq[queue_idx], queue_idx, - socket_id, enic->config.rq_desc_count, - sizeof(struct cq_enet_rq_desc)); - if (err) { - vnic_rq_free(rq); - dev_err(enic, "error in allocation of cq for rq\n"); - } - - return err; -} - -void enic_free_wq(void *txq) -{ - struct vnic_wq *wq = (struct vnic_wq *)txq; - struct enic *enic = vnic_dev_priv(wq->vdev); - - vnic_wq_free(wq); - vnic_cq_free(&enic->cq[enic->rq_count + wq->index]); -} - -int enic_alloc_wq(struct enic *enic, uint16_t queue_idx, - unsigned int socket_id, uint16_t nb_desc) -{ - int err; - struct vnic_wq *wq = &enic->wq[queue_idx]; - unsigned int cq_index = enic_cq_wq(enic, queue_idx); - - wq->socket_id = socket_id; - if (nb_desc) { - if (nb_desc > enic->config.wq_desc_count) { - dev_warning(enic, - "WQ %d - number of tx desc in cmd line (%d)"\ - "is greater than that in the UCSM/CIMC adapter"\ - "policy. Applying the value in the adapter "\ - "policy (%d)\n", - queue_idx, nb_desc, enic->config.wq_desc_count); - } else if (nb_desc != enic->config.wq_desc_count) { - enic->config.wq_desc_count = nb_desc; - dev_info(enic, - "TX Queues - effective number of descs:%d\n", - nb_desc); - } - } - - /* Allocate queue resources */ - err = vnic_wq_alloc(enic->vdev, &enic->wq[queue_idx], queue_idx, - enic->config.wq_desc_count, - sizeof(struct wq_enet_desc)); - if (err) { - dev_err(enic, "error in allocation of wq\n"); - return err; - } - - err = vnic_cq_alloc(enic->vdev, &enic->cq[cq_index], cq_index, - socket_id, enic->config.wq_desc_count, - sizeof(struct cq_enet_wq_desc)); - if (err) { - vnic_wq_free(wq); - dev_err(enic, "error in allocation of cq for wq\n"); - } - - return err; -} - -int enic_disable(struct enic *enic) -{ - unsigned int i; - int err; - - vnic_intr_mask(&enic->intr); - (void)vnic_intr_masked(&enic->intr); /* flush write */ - - vnic_dev_disable(enic->vdev); - - enic_clsf_destroy(enic); - - if (!enic_is_sriov_vf(enic)) - vnic_dev_del_addr(enic->vdev, enic->mac_addr); - - for (i = 0; i < enic->wq_count; i++) { - err = vnic_wq_disable(&enic->wq[i]); - if (err) - return err; - } - for (i = 0; i < enic->rq_count; i++) { - err = vnic_rq_disable(&enic->rq[i]); - if (err) - return err; - } - - vnic_dev_set_reset_flag(enic->vdev, 1); - vnic_dev_notify_unset(enic->vdev); - - for (i = 0; i < enic->wq_count; i++) - vnic_wq_clean(&enic->wq[i], enic_free_wq_buf); - for (i = 0; i < enic->rq_count; i++) - vnic_rq_clean(&enic->rq[i], enic_free_rq_buf); - for (i = 0; i < enic->cq_count; i++) - vnic_cq_clean(&enic->cq[i]); - vnic_intr_clean(&enic->intr); - - return 0; -} - -static int enic_dev_wait(struct vnic_dev *vdev, - int (*start)(struct vnic_dev *, int), - int (*finished)(struct vnic_dev *, int *), - int arg) -{ - int done; - int err; - int i; - - err = start(vdev, arg); - if (err) - return err; - - /* Wait for func to complete...2 seconds max */ - for (i = 0; i < 2000; i++) { - err = finished(vdev, &done); - if (err) - return err; - if (done) - return 0; - usleep(1000); - } - return -ETIMEDOUT; -} - -static int enic_dev_open(struct enic *enic) -{ - int err; - - err = enic_dev_wait(enic->vdev, vnic_dev_open, - vnic_dev_open_done, 0); - if (err) - dev_err(enic_get_dev(enic), - "vNIC device open failed, err %d\n", err); - - return err; -} - -static int enic_set_rsskey(struct enic *enic) -{ - dma_addr_t rss_key_buf_pa; - union vnic_rss_key *rss_key_buf_va = NULL; - static union vnic_rss_key rss_key = { - .key = { - [0] = {.b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101}}, - [1] = {.b = {80, 65, 76, 79, 117, 110, 105, 113, 117, 101}}, - [2] = {.b = {76, 73, 78, 85, 88, 114, 111, 99, 107, 115}}, - [3] = {.b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108}}, - } - }; - int err; - u8 name[NAME_MAX]; - - snprintf((char *)name, NAME_MAX, "rss_key-%s", enic->bdf_name); - rss_key_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_key), - &rss_key_buf_pa, name); - if (!rss_key_buf_va) - return -ENOMEM; - - rte_memcpy(rss_key_buf_va, &rss_key, sizeof(union vnic_rss_key)); - - err = enic_set_rss_key(enic, - rss_key_buf_pa, - sizeof(union vnic_rss_key)); - - enic_free_consistent(enic->pdev, sizeof(union vnic_rss_key), - rss_key_buf_va, rss_key_buf_pa); - - return err; -} - -static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits) -{ - dma_addr_t rss_cpu_buf_pa; - union vnic_rss_cpu *rss_cpu_buf_va = NULL; - int i; - int err; - u8 name[NAME_MAX]; - - snprintf((char *)name, NAME_MAX, "rss_cpu-%s", enic->bdf_name); - rss_cpu_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_cpu), - &rss_cpu_buf_pa, name); - if (!rss_cpu_buf_va) - return -ENOMEM; - - for (i = 0; i < (1 << rss_hash_bits); i++) - (*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count; - - err = enic_set_rss_cpu(enic, - rss_cpu_buf_pa, - sizeof(union vnic_rss_cpu)); - - enic_free_consistent(enic->pdev, sizeof(union vnic_rss_cpu), - rss_cpu_buf_va, rss_cpu_buf_pa); - - return err; -} - -static int enic_set_niccfg(struct enic *enic, u8 rss_default_cpu, - u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable) -{ - const u8 tso_ipid_split_en = 0; - int err; - - /* Enable VLAN tag stripping */ - - err = enic_set_nic_cfg(enic, - rss_default_cpu, rss_hash_type, - rss_hash_bits, rss_base_cpu, - rss_enable, tso_ipid_split_en, - enic->ig_vlan_strip_en); - - return err; -} - -int enic_set_rss_nic_cfg(struct enic *enic) -{ - const u8 rss_default_cpu = 0; - const u8 rss_hash_type = NIC_CFG_RSS_HASH_TYPE_IPV4 | - NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 | - NIC_CFG_RSS_HASH_TYPE_IPV6 | - NIC_CFG_RSS_HASH_TYPE_TCP_IPV6; - const u8 rss_hash_bits = 7; - const u8 rss_base_cpu = 0; - u8 rss_enable = ENIC_SETTING(enic, RSS) && (enic->rq_count > 1); - - if (rss_enable) { - if (!enic_set_rsskey(enic)) { - if (enic_set_rsscpu(enic, rss_hash_bits)) { - rss_enable = 0; - dev_warning(enic, "RSS disabled, "\ - "Failed to set RSS cpu indirection table."); - } - } else { - rss_enable = 0; - dev_warning(enic, - "RSS disabled, Failed to set RSS key.\n"); - } - } - - return enic_set_niccfg(enic, rss_default_cpu, rss_hash_type, - rss_hash_bits, rss_base_cpu, rss_enable); -} - -int enic_setup_finish(struct enic *enic) -{ - int ret; - - ret = enic_set_rss_nic_cfg(enic); - if (ret) { - dev_err(enic, "Failed to config nic, aborting.\n"); - return -1; - } - - vnic_dev_add_addr(enic->vdev, enic->mac_addr); - - /* Default conf */ - vnic_dev_packet_filter(enic->vdev, - 1 /* directed */, - 1 /* multicast */, - 1 /* broadcast */, - 0 /* promisc */, - 1 /* allmulti */); - - enic->promisc = 0; - enic->allmulti = 1; - - return 0; -} - -void enic_add_packet_filter(struct enic *enic) -{ - /* Args -> directed, multicast, broadcast, promisc, allmulti */ - vnic_dev_packet_filter(enic->vdev, 1, 1, 1, - enic->promisc, enic->allmulti); -} - -int enic_get_link_status(struct enic *enic) -{ - return vnic_dev_link_status(enic->vdev); -} - -static void enic_dev_deinit(struct enic *enic) -{ - struct rte_eth_dev *eth_dev = enic->rte_dev; - - rte_free(eth_dev->data->mac_addrs); -} - - -int enic_set_vnic_res(struct enic *enic) -{ - struct rte_eth_dev *eth_dev = enic->rte_dev; - - if ((enic->rq_count < eth_dev->data->nb_rx_queues) || - (enic->wq_count < eth_dev->data->nb_tx_queues)) { - dev_err(dev, "Not enough resources configured, aborting\n"); - return -1; - } - - enic->rq_count = eth_dev->data->nb_rx_queues; - enic->wq_count = eth_dev->data->nb_tx_queues; - if (enic->cq_count < (enic->rq_count + enic->wq_count)) { - dev_err(dev, "Not enough resources configured, aborting\n"); - return -1; - } - - enic->cq_count = enic->rq_count + enic->wq_count; - return 0; -} - -static int enic_dev_init(struct enic *enic) -{ - int err; - struct rte_eth_dev *eth_dev = enic->rte_dev; - - vnic_dev_intr_coal_timer_info_default(enic->vdev); - - /* Get vNIC configuration - */ - err = enic_get_vnic_config(enic); - if (err) { - dev_err(dev, "Get vNIC configuration failed, aborting\n"); - return err; - } - - eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr", ETH_ALEN, 0); - if (!eth_dev->data->mac_addrs) { - dev_err(enic, "mac addr storage alloc failed, aborting.\n"); - return -1; - } - ether_addr_copy((struct ether_addr *) enic->mac_addr, - ð_dev->data->mac_addrs[0]); - - - /* Get available resource counts - */ - enic_get_res_counts(enic); - - vnic_dev_set_reset_flag(enic->vdev, 0); - - return 0; - -} - -int enic_probe(struct enic *enic) -{ - struct rte_pci_device *pdev = enic->pdev; - int err = -1; - - dev_debug(enic, " Initializing ENIC PMD version %s\n", DRV_VERSION); - - enic->bar0.vaddr = (void *)pdev->mem_resource[0].addr; - enic->bar0.len = pdev->mem_resource[0].len; - - /* Register vNIC device */ - enic->vdev = vnic_dev_register(NULL, enic, enic->pdev, &enic->bar0, 1); - if (!enic->vdev) { - dev_err(enic, "vNIC registration failed, aborting\n"); - goto err_out; - } - - vnic_register_cbacks(enic->vdev, - enic_alloc_consistent, - enic_free_consistent); - - /* Issue device open to get device in known state */ - err = enic_dev_open(enic); - if (err) { - dev_err(enic, "vNIC dev open failed, aborting\n"); - goto err_out_unregister; - } - - /* Set ingress vlan rewrite mode before vnic initialization */ - err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev, - IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN); - if (err) { - dev_err(enic, - "Failed to set ingress vlan rewrite mode, aborting.\n"); - goto err_out_dev_close; - } - - /* Issue device init to initialize the vnic-to-switch link. - * We'll start with carrier off and wait for link UP - * notification later to turn on carrier. We don't need - * to wait here for the vnic-to-switch link initialization - * to complete; link UP notification is the indication that - * the process is complete. - */ - - err = vnic_dev_init(enic->vdev, 0); - if (err) { - dev_err(enic, "vNIC dev init failed, aborting\n"); - goto err_out_dev_close; - } - - err = enic_dev_init(enic); - if (err) { - dev_err(enic, "Device initialization failed, aborting\n"); - goto err_out_dev_close; - } - - return 0; - -err_out_dev_close: - vnic_dev_close(enic->vdev); -err_out_unregister: - vnic_dev_unregister(enic->vdev); -err_out: - return err; -} - -void enic_remove(struct enic *enic) -{ - enic_dev_deinit(enic); - vnic_dev_close(enic->vdev); - vnic_dev_unregister(enic->vdev); -} diff --git a/lib/librte_pmd_enic/enic_res.c b/lib/librte_pmd_enic/enic_res.c deleted file mode 100644 index 12a337c..0000000 --- a/lib/librte_pmd_enic/enic_res.c +++ /dev/null @@ -1,219 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: enic_res.c 171146 2014-05-02 07:08:20Z ssujith $" - -#include "enic_compat.h" -#include "rte_ethdev.h" -#include "wq_enet_desc.h" -#include "rq_enet_desc.h" -#include "cq_enet_desc.h" -#include "vnic_resource.h" -#include "vnic_enet.h" -#include "vnic_dev.h" -#include "vnic_wq.h" -#include "vnic_rq.h" -#include "vnic_cq.h" -#include "vnic_intr.h" -#include "vnic_stats.h" -#include "vnic_nic.h" -#include "vnic_rss.h" -#include "enic_res.h" -#include "enic.h" - -int enic_get_vnic_config(struct enic *enic) -{ - struct vnic_enet_config *c = &enic->config; - int err; - - err = vnic_dev_get_mac_addr(enic->vdev, enic->mac_addr); - if (err) { - dev_err(enic_get_dev(enic), - "Error getting MAC addr, %d\n", err); - return err; - } - -#define GET_CONFIG(m) \ - do { \ - err = vnic_dev_spec(enic->vdev, \ - offsetof(struct vnic_enet_config, m), \ - sizeof(c->m), &c->m); \ - if (err) { \ - dev_err(enic_get_dev(enic), \ - "Error getting %s, %d\n", #m, err); \ - return err; \ - } \ - } while (0) - - GET_CONFIG(flags); - GET_CONFIG(wq_desc_count); - GET_CONFIG(rq_desc_count); - GET_CONFIG(mtu); - GET_CONFIG(intr_timer_type); - GET_CONFIG(intr_mode); - GET_CONFIG(intr_timer_usec); - GET_CONFIG(loop_tag); - GET_CONFIG(num_arfs); - - c->wq_desc_count = - min_t(u32, ENIC_MAX_WQ_DESCS, - max_t(u32, ENIC_MIN_WQ_DESCS, - c->wq_desc_count)); - c->wq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */ - - c->rq_desc_count = - min_t(u32, ENIC_MAX_RQ_DESCS, - max_t(u32, ENIC_MIN_RQ_DESCS, - c->rq_desc_count)); - c->rq_desc_count &= 0xffffffe0; /* must be aligned to groups of 32 */ - - if (c->mtu == 0) - c->mtu = 1500; - c->mtu = min_t(u16, ENIC_MAX_MTU, - max_t(u16, ENIC_MIN_MTU, - c->mtu)); - - c->intr_timer_usec = min_t(u32, c->intr_timer_usec, - vnic_dev_get_intr_coal_timer_max(enic->vdev)); - - dev_info(enic_get_dev(enic), - "vNIC MAC addr %02x:%02x:%02x:%02x:%02x:%02x " - "wq/rq %d/%d mtu %d\n", - enic->mac_addr[0], enic->mac_addr[1], enic->mac_addr[2], - enic->mac_addr[3], enic->mac_addr[4], enic->mac_addr[5], - c->wq_desc_count, c->rq_desc_count, c->mtu); - dev_info(enic_get_dev(enic), "vNIC csum tx/rx %s/%s " - "rss %s intr mode %s type %s timer %d usec " - "loopback tag 0x%04x\n", - ENIC_SETTING(enic, TXCSUM) ? "yes" : "no", - ENIC_SETTING(enic, RXCSUM) ? "yes" : "no", - ENIC_SETTING(enic, RSS) ? "yes" : "no", - c->intr_mode == VENET_INTR_MODE_INTX ? "INTx" : - c->intr_mode == VENET_INTR_MODE_MSI ? "MSI" : - c->intr_mode == VENET_INTR_MODE_ANY ? "any" : - "unknown", - c->intr_timer_type == VENET_INTR_TYPE_MIN ? "min" : - c->intr_timer_type == VENET_INTR_TYPE_IDLE ? "idle" : - "unknown", - c->intr_timer_usec, - c->loop_tag); - - return 0; -} - -int enic_add_vlan(struct enic *enic, u16 vlanid) -{ - u64 a0 = vlanid, a1 = 0; - int wait = 1000; - int err; - - err = vnic_dev_cmd(enic->vdev, CMD_VLAN_ADD, &a0, &a1, wait); - if (err) - dev_err(enic_get_dev(enic), "Can't add vlan id, %d\n", err); - - return err; -} - -int enic_del_vlan(struct enic *enic, u16 vlanid) -{ - u64 a0 = vlanid, a1 = 0; - int wait = 1000; - int err; - - err = vnic_dev_cmd(enic->vdev, CMD_VLAN_DEL, &a0, &a1, wait); - if (err) - dev_err(enic_get_dev(enic), "Can't delete vlan id, %d\n", err); - - return err; -} - -int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, - u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, - u8 ig_vlan_strip_en) -{ - u64 a0, a1; - u32 nic_cfg; - int wait = 1000; - - vnic_set_nic_cfg(&nic_cfg, rss_default_cpu, - rss_hash_type, rss_hash_bits, rss_base_cpu, - rss_enable, tso_ipid_split_en, ig_vlan_strip_en); - - a0 = nic_cfg; - a1 = 0; - - return vnic_dev_cmd(enic->vdev, CMD_NIC_CFG, &a0, &a1, wait); -} - -int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len) -{ - u64 a0 = (u64)key_pa, a1 = len; - int wait = 1000; - - return vnic_dev_cmd(enic->vdev, CMD_RSS_KEY, &a0, &a1, wait); -} - -int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len) -{ - u64 a0 = (u64)cpu_pa, a1 = len; - int wait = 1000; - - return vnic_dev_cmd(enic->vdev, CMD_RSS_CPU, &a0, &a1, wait); -} - -void enic_free_vnic_resources(struct enic *enic) -{ - unsigned int i; - - for (i = 0; i < enic->wq_count; i++) - vnic_wq_free(&enic->wq[i]); - for (i = 0; i < enic->rq_count; i++) - vnic_rq_free(&enic->rq[i]); - for (i = 0; i < enic->cq_count; i++) - vnic_cq_free(&enic->cq[i]); - vnic_intr_free(&enic->intr); -} - -void enic_get_res_counts(struct enic *enic) -{ - enic->wq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_WQ); - enic->rq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_RQ); - enic->cq_count = vnic_dev_get_res_count(enic->vdev, RES_TYPE_CQ); - enic->intr_count = vnic_dev_get_res_count(enic->vdev, - RES_TYPE_INTR_CTRL); - - dev_info(enic_get_dev(enic), - "vNIC resources avail: wq %d rq %d cq %d intr %d\n", - enic->wq_count, enic->rq_count, - enic->cq_count, enic->intr_count); -} diff --git a/lib/librte_pmd_enic/enic_res.h b/lib/librte_pmd_enic/enic_res.h deleted file mode 100644 index ea60f6a..0000000 --- a/lib/librte_pmd_enic/enic_res.h +++ /dev/null @@ -1,168 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: enic_res.h 173137 2014-05-16 03:27:22Z sanpilla $" - -#ifndef _ENIC_RES_H_ -#define _ENIC_RES_H_ - -#include "wq_enet_desc.h" -#include "rq_enet_desc.h" -#include "vnic_wq.h" -#include "vnic_rq.h" - -#define ENIC_MIN_WQ_DESCS 64 -#define ENIC_MAX_WQ_DESCS 4096 -#define ENIC_MIN_RQ_DESCS 64 -#define ENIC_MAX_RQ_DESCS 4096 - -#define ENIC_MIN_MTU 68 -#define ENIC_MAX_MTU 9000 - -#define ENIC_MULTICAST_PERFECT_FILTERS 32 -#define ENIC_UNICAST_PERFECT_FILTERS 32 - -#define ENIC_NON_TSO_MAX_DESC 16 - -#define ENIC_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0) - -static inline void enic_queue_wq_desc_ex(struct vnic_wq *wq, - void *os_buf, dma_addr_t dma_addr, unsigned int len, - unsigned int mss_or_csum_offset, unsigned int hdr_len, - int vlan_tag_insert, unsigned int vlan_tag, - int offload_mode, int cq_entry, int sop, int eop, int loopback) -{ - struct wq_enet_desc *desc = vnic_wq_next_desc(wq); - u8 desc_skip_cnt = 1; - u8 compressed_send = 0; - u64 wrid = 0; - - wq_enet_desc_enc(desc, - (u64)dma_addr | VNIC_PADDR_TARGET, - (u16)len, - (u16)mss_or_csum_offset, - (u16)hdr_len, (u8)offload_mode, - (u8)eop, (u8)cq_entry, - 0, /* fcoe_encap */ - (u8)vlan_tag_insert, - (u16)vlan_tag, - (u8)loopback); - - vnic_wq_post(wq, os_buf, dma_addr, len, sop, eop, desc_skip_cnt, - (u8)cq_entry, compressed_send, wrid); -} - -static inline void enic_queue_wq_desc_cont(struct vnic_wq *wq, - void *os_buf, dma_addr_t dma_addr, unsigned int len, - int eop, int loopback) -{ - enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, - 0, 0, 0, 0, 0, - eop, 0 /* !SOP */, eop, loopback); -} - -static inline void enic_queue_wq_desc(struct vnic_wq *wq, void *os_buf, - dma_addr_t dma_addr, unsigned int len, int vlan_tag_insert, - unsigned int vlan_tag, int eop, int loopback) -{ - enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, - 0, 0, vlan_tag_insert, vlan_tag, - WQ_ENET_OFFLOAD_MODE_CSUM, - eop, 1 /* SOP */, eop, loopback); -} - -static inline void enic_queue_wq_desc_csum(struct vnic_wq *wq, - void *os_buf, dma_addr_t dma_addr, unsigned int len, - int ip_csum, int tcpudp_csum, int vlan_tag_insert, - unsigned int vlan_tag, int eop, int loopback) -{ - enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, - (ip_csum ? 1 : 0) + (tcpudp_csum ? 2 : 0), - 0, vlan_tag_insert, vlan_tag, - WQ_ENET_OFFLOAD_MODE_CSUM, - eop, 1 /* SOP */, eop, loopback); -} - -static inline void enic_queue_wq_desc_csum_l4(struct vnic_wq *wq, - void *os_buf, dma_addr_t dma_addr, unsigned int len, - unsigned int csum_offset, unsigned int hdr_len, - int vlan_tag_insert, unsigned int vlan_tag, int eop, int loopback) -{ - enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, - csum_offset, hdr_len, vlan_tag_insert, vlan_tag, - WQ_ENET_OFFLOAD_MODE_CSUM_L4, - eop, 1 /* SOP */, eop, loopback); -} - -static inline void enic_queue_wq_desc_tso(struct vnic_wq *wq, - void *os_buf, dma_addr_t dma_addr, unsigned int len, - unsigned int mss, unsigned int hdr_len, int vlan_tag_insert, - unsigned int vlan_tag, int eop, int loopback) -{ - enic_queue_wq_desc_ex(wq, os_buf, dma_addr, len, - mss, hdr_len, vlan_tag_insert, vlan_tag, - WQ_ENET_OFFLOAD_MODE_TSO, - eop, 1 /* SOP */, eop, loopback); -} -static inline void enic_queue_rq_desc(struct vnic_rq *rq, - void *os_buf, unsigned int os_buf_index, - dma_addr_t dma_addr, unsigned int len) -{ - struct rq_enet_desc *desc = vnic_rq_next_desc(rq); - u64 wrid = 0; - u8 type = os_buf_index ? - RQ_ENET_TYPE_NOT_SOP : RQ_ENET_TYPE_ONLY_SOP; - - rq_enet_desc_enc(desc, - (u64)dma_addr | VNIC_PADDR_TARGET, - type, (u16)len); - - vnic_rq_post(rq, os_buf, os_buf_index, dma_addr, len, wrid); -} - -struct enic; - -int enic_get_vnic_config(struct enic *); -int enic_add_vlan(struct enic *enic, u16 vlanid); -int enic_del_vlan(struct enic *enic, u16 vlanid); -int enic_set_nic_cfg(struct enic *enic, u8 rss_default_cpu, u8 rss_hash_type, - u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable, u8 tso_ipid_split_en, - u8 ig_vlan_strip_en); -int enic_set_rss_key(struct enic *enic, dma_addr_t key_pa, u64 len); -int enic_set_rss_cpu(struct enic *enic, dma_addr_t cpu_pa, u64 len); -void enic_get_res_counts(struct enic *enic); -void enic_init_vnic_resources(struct enic *enic); -int enic_alloc_vnic_resources(struct enic *); -void enic_free_vnic_resources(struct enic *); - -#endif /* _ENIC_RES_H_ */ diff --git a/lib/librte_pmd_enic/rte_pmd_enic_version.map b/lib/librte_pmd_enic/rte_pmd_enic_version.map deleted file mode 100644 index ef35398..0000000 --- a/lib/librte_pmd_enic/rte_pmd_enic_version.map +++ /dev/null @@ -1,4 +0,0 @@ -DPDK_2.0 { - - local: *; -}; diff --git a/lib/librte_pmd_enic/vnic/cq_desc.h b/lib/librte_pmd_enic/vnic/cq_desc.h deleted file mode 100644 index c418967..0000000 --- a/lib/librte_pmd_enic/vnic/cq_desc.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: cq_desc.h 129574 2013-04-26 22:11:14Z rfaucett $" - -#ifndef _CQ_DESC_H_ -#define _CQ_DESC_H_ - -/* - * Completion queue descriptor types - */ -enum cq_desc_types { - CQ_DESC_TYPE_WQ_ENET = 0, - CQ_DESC_TYPE_DESC_COPY = 1, - CQ_DESC_TYPE_WQ_EXCH = 2, - CQ_DESC_TYPE_RQ_ENET = 3, - CQ_DESC_TYPE_RQ_FCP = 4, - CQ_DESC_TYPE_IOMMU_MISS = 5, - CQ_DESC_TYPE_SGL = 6, - CQ_DESC_TYPE_CLASSIFIER = 7, - CQ_DESC_TYPE_TEST = 127, -}; - -/* Completion queue descriptor: 16B - * - * All completion queues have this basic layout. The - * type_specfic area is unique for each completion - * queue type. - */ -struct cq_desc { - __le16 completed_index; - __le16 q_number; - u8 type_specfic[11]; - u8 type_color; -}; - -#define CQ_DESC_TYPE_BITS 4 -#define CQ_DESC_TYPE_MASK ((1 << CQ_DESC_TYPE_BITS) - 1) -#define CQ_DESC_COLOR_MASK 1 -#define CQ_DESC_COLOR_SHIFT 7 -#define CQ_DESC_Q_NUM_BITS 10 -#define CQ_DESC_Q_NUM_MASK ((1 << CQ_DESC_Q_NUM_BITS) - 1) -#define CQ_DESC_COMP_NDX_BITS 12 -#define CQ_DESC_COMP_NDX_MASK ((1 << CQ_DESC_COMP_NDX_BITS) - 1) - -static inline void cq_color_enc(struct cq_desc *desc, const u8 color) -{ - if (color) - desc->type_color |= (1 << CQ_DESC_COLOR_SHIFT); - else - desc->type_color &= ~(1 << CQ_DESC_COLOR_SHIFT); -} - -static inline void cq_desc_enc(struct cq_desc *desc, - const u8 type, const u8 color, const u16 q_number, - const u16 completed_index) -{ - desc->type_color = (type & CQ_DESC_TYPE_MASK) | - ((color & CQ_DESC_COLOR_MASK) << CQ_DESC_COLOR_SHIFT); - desc->q_number = cpu_to_le16(q_number & CQ_DESC_Q_NUM_MASK); - desc->completed_index = cpu_to_le16(completed_index & - CQ_DESC_COMP_NDX_MASK); -} - -static inline void cq_desc_dec(const struct cq_desc *desc_arg, - u8 *type, u8 *color, u16 *q_number, u16 *completed_index) -{ - const struct cq_desc *desc = desc_arg; - const u8 type_color = desc->type_color; - - *color = (type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK; - - /* - * Make sure color bit is read from desc *before* other fields - * are read from desc. Hardware guarantees color bit is last - * bit (byte) written. Adding the rmb() prevents the compiler - * and/or CPU from reordering the reads which would potentially - * result in reading stale values. - */ - - rmb(); - - *type = type_color & CQ_DESC_TYPE_MASK; - *q_number = le16_to_cpu(desc->q_number) & CQ_DESC_Q_NUM_MASK; - *completed_index = le16_to_cpu(desc->completed_index) & - CQ_DESC_COMP_NDX_MASK; -} - -static inline void cq_color_dec(const struct cq_desc *desc_arg, u8 *color) -{ - volatile const struct cq_desc *desc = desc_arg; - - *color = (desc->type_color >> CQ_DESC_COLOR_SHIFT) & CQ_DESC_COLOR_MASK; -} - -#endif /* _CQ_DESC_H_ */ diff --git a/lib/librte_pmd_enic/vnic/cq_enet_desc.h b/lib/librte_pmd_enic/vnic/cq_enet_desc.h deleted file mode 100644 index 669a2b5..0000000 --- a/lib/librte_pmd_enic/vnic/cq_enet_desc.h +++ /dev/null @@ -1,261 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: cq_enet_desc.h 160468 2014-02-18 09:50:15Z gvaradar $" - -#ifndef _CQ_ENET_DESC_H_ -#define _CQ_ENET_DESC_H_ - -#include "cq_desc.h" - -/* Ethernet completion queue descriptor: 16B */ -struct cq_enet_wq_desc { - __le16 completed_index; - __le16 q_number; - u8 reserved[11]; - u8 type_color; -}; - -static inline void cq_enet_wq_desc_enc(struct cq_enet_wq_desc *desc, - u8 type, u8 color, u16 q_number, u16 completed_index) -{ - cq_desc_enc((struct cq_desc *)desc, type, - color, q_number, completed_index); -} - -static inline void cq_enet_wq_desc_dec(struct cq_enet_wq_desc *desc, - u8 *type, u8 *color, u16 *q_number, u16 *completed_index) -{ - cq_desc_dec((struct cq_desc *)desc, type, - color, q_number, completed_index); -} - -/* Completion queue descriptor: Ethernet receive queue, 16B */ -struct cq_enet_rq_desc { - __le16 completed_index_flags; - __le16 q_number_rss_type_flags; - __le32 rss_hash; - __le16 bytes_written_flags; - __le16 vlan; - __le16 checksum_fcoe; - u8 flags; - u8 type_color; -}; - -#define CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT (0x1 << 12) -#define CQ_ENET_RQ_DESC_FLAGS_FCOE (0x1 << 13) -#define CQ_ENET_RQ_DESC_FLAGS_EOP (0x1 << 14) -#define CQ_ENET_RQ_DESC_FLAGS_SOP (0x1 << 15) - -#define CQ_ENET_RQ_DESC_RSS_TYPE_BITS 4 -#define CQ_ENET_RQ_DESC_RSS_TYPE_MASK \ - ((1 << CQ_ENET_RQ_DESC_RSS_TYPE_BITS) - 1) -#define CQ_ENET_RQ_DESC_RSS_TYPE_NONE 0 -#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv4 1 -#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv4 2 -#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6 3 -#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6 4 -#define CQ_ENET_RQ_DESC_RSS_TYPE_IPv6_EX 5 -#define CQ_ENET_RQ_DESC_RSS_TYPE_TCP_IPv6_EX 6 - -#define CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC (0x1 << 14) - -#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS 14 -#define CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK \ - ((1 << CQ_ENET_RQ_DESC_BYTES_WRITTEN_BITS) - 1) -#define CQ_ENET_RQ_DESC_FLAGS_TRUNCATED (0x1 << 14) -#define CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED (0x1 << 15) - -#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS 12 -#define CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_MASK \ - ((1 << CQ_ENET_RQ_DESC_VLAN_TCI_VLAN_BITS) - 1) -#define CQ_ENET_RQ_DESC_VLAN_TCI_CFI_MASK (0x1 << 12) -#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS 3 -#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_MASK \ - ((1 << CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_BITS) - 1) -#define CQ_ENET_RQ_DESC_VLAN_TCI_USER_PRIO_SHIFT 13 - -#define CQ_ENET_RQ_DESC_FCOE_SOF_BITS 8 -#define CQ_ENET_RQ_DESC_FCOE_SOF_MASK \ - ((1 << CQ_ENET_RQ_DESC_FCOE_SOF_BITS) - 1) -#define CQ_ENET_RQ_DESC_FCOE_EOF_BITS 8 -#define CQ_ENET_RQ_DESC_FCOE_EOF_MASK \ - ((1 << CQ_ENET_RQ_DESC_FCOE_EOF_BITS) - 1) -#define CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT 8 - -#define CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK (0x1 << 0) -#define CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK (0x1 << 0) -#define CQ_ENET_RQ_DESC_FLAGS_UDP (0x1 << 1) -#define CQ_ENET_RQ_DESC_FCOE_ENC_ERROR (0x1 << 1) -#define CQ_ENET_RQ_DESC_FLAGS_TCP (0x1 << 2) -#define CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK (0x1 << 3) -#define CQ_ENET_RQ_DESC_FLAGS_IPV6 (0x1 << 4) -#define CQ_ENET_RQ_DESC_FLAGS_IPV4 (0x1 << 5) -#define CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT (0x1 << 6) -#define CQ_ENET_RQ_DESC_FLAGS_FCS_OK (0x1 << 7) - -static inline void cq_enet_rq_desc_enc(struct cq_enet_rq_desc *desc, - u8 type, u8 color, u16 q_number, u16 completed_index, - u8 ingress_port, u8 fcoe, u8 eop, u8 sop, u8 rss_type, u8 csum_not_calc, - u32 rss_hash, u16 bytes_written, u8 packet_error, u8 vlan_stripped, - u16 vlan, u16 checksum, u8 fcoe_sof, u8 fcoe_fc_crc_ok, - u8 fcoe_enc_error, u8 fcoe_eof, u8 tcp_udp_csum_ok, u8 udp, u8 tcp, - u8 ipv4_csum_ok, u8 ipv6, u8 ipv4, u8 ipv4_fragment, u8 fcs_ok) -{ - cq_desc_enc((struct cq_desc *)desc, type, - color, q_number, completed_index); - - desc->completed_index_flags |= cpu_to_le16( - (ingress_port ? CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT : 0) | - (fcoe ? CQ_ENET_RQ_DESC_FLAGS_FCOE : 0) | - (eop ? CQ_ENET_RQ_DESC_FLAGS_EOP : 0) | - (sop ? CQ_ENET_RQ_DESC_FLAGS_SOP : 0)); - - desc->q_number_rss_type_flags |= cpu_to_le16( - ((rss_type & CQ_ENET_RQ_DESC_RSS_TYPE_MASK) << - CQ_DESC_Q_NUM_BITS) | - (csum_not_calc ? CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC : 0)); - - desc->rss_hash = cpu_to_le32(rss_hash); - - desc->bytes_written_flags = cpu_to_le16( - (bytes_written & CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK) | - (packet_error ? CQ_ENET_RQ_DESC_FLAGS_TRUNCATED : 0) | - (vlan_stripped ? CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED : 0)); - - desc->vlan = cpu_to_le16(vlan); - - if (fcoe) { - desc->checksum_fcoe = cpu_to_le16( - (fcoe_sof & CQ_ENET_RQ_DESC_FCOE_SOF_MASK) | - ((fcoe_eof & CQ_ENET_RQ_DESC_FCOE_EOF_MASK) << - CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT)); - } else { - desc->checksum_fcoe = cpu_to_le16(checksum); - } - - desc->flags = - (tcp_udp_csum_ok ? CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK : 0) | - (udp ? CQ_ENET_RQ_DESC_FLAGS_UDP : 0) | - (tcp ? CQ_ENET_RQ_DESC_FLAGS_TCP : 0) | - (ipv4_csum_ok ? CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK : 0) | - (ipv6 ? CQ_ENET_RQ_DESC_FLAGS_IPV6 : 0) | - (ipv4 ? CQ_ENET_RQ_DESC_FLAGS_IPV4 : 0) | - (ipv4_fragment ? CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT : 0) | - (fcs_ok ? CQ_ENET_RQ_DESC_FLAGS_FCS_OK : 0) | - (fcoe_fc_crc_ok ? CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK : 0) | - (fcoe_enc_error ? CQ_ENET_RQ_DESC_FCOE_ENC_ERROR : 0); -} - -static inline void cq_enet_rq_desc_dec(struct cq_enet_rq_desc *desc, - u8 *type, u8 *color, u16 *q_number, u16 *completed_index, - u8 *ingress_port, u8 *fcoe, u8 *eop, u8 *sop, u8 *rss_type, - u8 *csum_not_calc, u32 *rss_hash, u16 *bytes_written, u8 *packet_error, - u8 *vlan_stripped, u16 *vlan_tci, u16 *checksum, u8 *fcoe_sof, - u8 *fcoe_fc_crc_ok, u8 *fcoe_enc_error, u8 *fcoe_eof, - u8 *tcp_udp_csum_ok, u8 *udp, u8 *tcp, u8 *ipv4_csum_ok, - u8 *ipv6, u8 *ipv4, u8 *ipv4_fragment, u8 *fcs_ok) -{ - u16 completed_index_flags; - u16 q_number_rss_type_flags; - u16 bytes_written_flags; - - cq_desc_dec((struct cq_desc *)desc, type, - color, q_number, completed_index); - - completed_index_flags = le16_to_cpu(desc->completed_index_flags); - q_number_rss_type_flags = - le16_to_cpu(desc->q_number_rss_type_flags); - bytes_written_flags = le16_to_cpu(desc->bytes_written_flags); - - *ingress_port = (completed_index_flags & - CQ_ENET_RQ_DESC_FLAGS_INGRESS_PORT) ? 1 : 0; - *fcoe = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_FCOE) ? - 1 : 0; - *eop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_EOP) ? - 1 : 0; - *sop = (completed_index_flags & CQ_ENET_RQ_DESC_FLAGS_SOP) ? - 1 : 0; - - *rss_type = (u8)((q_number_rss_type_flags >> CQ_DESC_Q_NUM_BITS) & - CQ_ENET_RQ_DESC_RSS_TYPE_MASK); - *csum_not_calc = (q_number_rss_type_flags & - CQ_ENET_RQ_DESC_FLAGS_CSUM_NOT_CALC) ? 1 : 0; - - *rss_hash = le32_to_cpu(desc->rss_hash); - - *bytes_written = bytes_written_flags & - CQ_ENET_RQ_DESC_BYTES_WRITTEN_MASK; - *packet_error = (bytes_written_flags & - CQ_ENET_RQ_DESC_FLAGS_TRUNCATED) ? 1 : 0; - *vlan_stripped = (bytes_written_flags & - CQ_ENET_RQ_DESC_FLAGS_VLAN_STRIPPED) ? 1 : 0; - - /* - * Tag Control Information(16) = user_priority(3) + cfi(1) + vlan(12) - */ - *vlan_tci = le16_to_cpu(desc->vlan); - - if (*fcoe) { - *fcoe_sof = (u8)(le16_to_cpu(desc->checksum_fcoe) & - CQ_ENET_RQ_DESC_FCOE_SOF_MASK); - *fcoe_fc_crc_ok = (desc->flags & - CQ_ENET_RQ_DESC_FCOE_FC_CRC_OK) ? 1 : 0; - *fcoe_enc_error = (desc->flags & - CQ_ENET_RQ_DESC_FCOE_ENC_ERROR) ? 1 : 0; - *fcoe_eof = (u8)((le16_to_cpu(desc->checksum_fcoe) >> - CQ_ENET_RQ_DESC_FCOE_EOF_SHIFT) & - CQ_ENET_RQ_DESC_FCOE_EOF_MASK); - *checksum = 0; - } else { - *fcoe_sof = 0; - *fcoe_fc_crc_ok = 0; - *fcoe_enc_error = 0; - *fcoe_eof = 0; - *checksum = le16_to_cpu(desc->checksum_fcoe); - } - - *tcp_udp_csum_ok = - (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP_UDP_CSUM_OK) ? 1 : 0; - *udp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_UDP) ? 1 : 0; - *tcp = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_TCP) ? 1 : 0; - *ipv4_csum_ok = - (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_CSUM_OK) ? 1 : 0; - *ipv6 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV6) ? 1 : 0; - *ipv4 = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4) ? 1 : 0; - *ipv4_fragment = - (desc->flags & CQ_ENET_RQ_DESC_FLAGS_IPV4_FRAGMENT) ? 1 : 0; - *fcs_ok = (desc->flags & CQ_ENET_RQ_DESC_FLAGS_FCS_OK) ? 1 : 0; -} - -#endif /* _CQ_ENET_DESC_H_ */ diff --git a/lib/librte_pmd_enic/vnic/rq_enet_desc.h b/lib/librte_pmd_enic/vnic/rq_enet_desc.h deleted file mode 100644 index f38ff2a..0000000 --- a/lib/librte_pmd_enic/vnic/rq_enet_desc.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: rq_enet_desc.h 59839 2010-09-27 20:36:31Z roprabhu $" - -#ifndef _RQ_ENET_DESC_H_ -#define _RQ_ENET_DESC_H_ - -/* Ethernet receive queue descriptor: 16B */ -struct rq_enet_desc { - __le64 address; - __le16 length_type; - u8 reserved[6]; -}; - -enum rq_enet_type_types { - RQ_ENET_TYPE_ONLY_SOP = 0, - RQ_ENET_TYPE_NOT_SOP = 1, - RQ_ENET_TYPE_RESV2 = 2, - RQ_ENET_TYPE_RESV3 = 3, -}; - -#define RQ_ENET_ADDR_BITS 64 -#define RQ_ENET_LEN_BITS 14 -#define RQ_ENET_LEN_MASK ((1 << RQ_ENET_LEN_BITS) - 1) -#define RQ_ENET_TYPE_BITS 2 -#define RQ_ENET_TYPE_MASK ((1 << RQ_ENET_TYPE_BITS) - 1) - -static inline void rq_enet_desc_enc(struct rq_enet_desc *desc, - u64 address, u8 type, u16 length) -{ - desc->address = cpu_to_le64(address); - desc->length_type = cpu_to_le16((length & RQ_ENET_LEN_MASK) | - ((type & RQ_ENET_TYPE_MASK) << RQ_ENET_LEN_BITS)); -} - -static inline void rq_enet_desc_dec(struct rq_enet_desc *desc, - u64 *address, u8 *type, u16 *length) -{ - *address = le64_to_cpu(desc->address); - *length = le16_to_cpu(desc->length_type) & RQ_ENET_LEN_MASK; - *type = (u8)((le16_to_cpu(desc->length_type) >> RQ_ENET_LEN_BITS) & - RQ_ENET_TYPE_MASK); -} - -#endif /* _RQ_ENET_DESC_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_cq.c b/lib/librte_pmd_enic/vnic/vnic_cq.c deleted file mode 100644 index cda97e4..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_cq.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_cq.c 171146 2014-05-02 07:08:20Z ssujith $" - -#include "vnic_dev.h" -#include "vnic_cq.h" - -int vnic_cq_mem_size(struct vnic_cq *cq, unsigned int desc_count, - unsigned int desc_size) -{ - int mem_size; - - mem_size = vnic_dev_desc_ring_size(&cq->ring, desc_count, desc_size); - - return mem_size; -} - -void vnic_cq_free(struct vnic_cq *cq) -{ - vnic_dev_free_desc_ring(cq->vdev, &cq->ring); - - cq->ctrl = NULL; -} - -int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index, - unsigned int socket_id, - unsigned int desc_count, unsigned int desc_size) -{ - int err; - char res_name[NAME_MAX]; - static int instance; - - cq->index = index; - cq->vdev = vdev; - - cq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_CQ, index); - if (!cq->ctrl) { - pr_err("Failed to hook CQ[%d] resource\n", index); - return -EINVAL; - } - - snprintf(res_name, sizeof(res_name), "%d-cq-%d", instance++, index); - err = vnic_dev_alloc_desc_ring(vdev, &cq->ring, desc_count, desc_size, - socket_id, res_name); - if (err) - return err; - - return 0; -} - -void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable, - unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail, - unsigned int cq_tail_color, unsigned int interrupt_enable, - unsigned int cq_entry_enable, unsigned int cq_message_enable, - unsigned int interrupt_offset, u64 cq_message_addr) -{ - u64 paddr; - - paddr = (u64)cq->ring.base_addr | VNIC_PADDR_TARGET; - writeq(paddr, &cq->ctrl->ring_base); - iowrite32(cq->ring.desc_count, &cq->ctrl->ring_size); - iowrite32(flow_control_enable, &cq->ctrl->flow_control_enable); - iowrite32(color_enable, &cq->ctrl->color_enable); - iowrite32(cq_head, &cq->ctrl->cq_head); - iowrite32(cq_tail, &cq->ctrl->cq_tail); - iowrite32(cq_tail_color, &cq->ctrl->cq_tail_color); - iowrite32(interrupt_enable, &cq->ctrl->interrupt_enable); - iowrite32(cq_entry_enable, &cq->ctrl->cq_entry_enable); - iowrite32(cq_message_enable, &cq->ctrl->cq_message_enable); - iowrite32(interrupt_offset, &cq->ctrl->interrupt_offset); - writeq(cq_message_addr, &cq->ctrl->cq_message_addr); - - cq->interrupt_offset = interrupt_offset; -} - -void vnic_cq_clean(struct vnic_cq *cq) -{ - cq->to_clean = 0; - cq->last_color = 0; - - iowrite32(0, &cq->ctrl->cq_head); - iowrite32(0, &cq->ctrl->cq_tail); - iowrite32(1, &cq->ctrl->cq_tail_color); - - vnic_dev_clear_desc_ring(&cq->ring); -} diff --git a/lib/librte_pmd_enic/vnic/vnic_cq.h b/lib/librte_pmd_enic/vnic/vnic_cq.h deleted file mode 100644 index 0928d72..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_cq.h +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_cq.h 173398 2014-05-19 09:17:02Z gvaradar $" - -#ifndef _VNIC_CQ_H_ -#define _VNIC_CQ_H_ - -#include - -#include "cq_desc.h" -#include "vnic_dev.h" - -/* Completion queue control */ -struct vnic_cq_ctrl { - u64 ring_base; /* 0x00 */ - u32 ring_size; /* 0x08 */ - u32 pad0; - u32 flow_control_enable; /* 0x10 */ - u32 pad1; - u32 color_enable; /* 0x18 */ - u32 pad2; - u32 cq_head; /* 0x20 */ - u32 pad3; - u32 cq_tail; /* 0x28 */ - u32 pad4; - u32 cq_tail_color; /* 0x30 */ - u32 pad5; - u32 interrupt_enable; /* 0x38 */ - u32 pad6; - u32 cq_entry_enable; /* 0x40 */ - u32 pad7; - u32 cq_message_enable; /* 0x48 */ - u32 pad8; - u32 interrupt_offset; /* 0x50 */ - u32 pad9; - u64 cq_message_addr; /* 0x58 */ - u32 pad10; -}; - -#ifdef ENIC_AIC -struct vnic_rx_bytes_counter { - unsigned int small_pkt_bytes_cnt; - unsigned int large_pkt_bytes_cnt; -}; -#endif - -struct vnic_cq { - unsigned int index; - struct vnic_dev *vdev; - struct vnic_cq_ctrl __iomem *ctrl; /* memory-mapped */ - struct vnic_dev_ring ring; - unsigned int to_clean; - unsigned int last_color; - unsigned int interrupt_offset; -#ifdef ENIC_AIC - struct vnic_rx_bytes_counter pkt_size_counter; - unsigned int cur_rx_coal_timeval; - unsigned int tobe_rx_coal_timeval; - ktime_t prev_ts; -#endif -}; - -static inline unsigned int vnic_cq_service(struct vnic_cq *cq, - unsigned int work_to_do, - int (*q_service)(struct vnic_dev *vdev, struct cq_desc *cq_desc, - u8 type, u16 q_number, u16 completed_index, void *opaque), - void *opaque) -{ - struct cq_desc *cq_desc; - unsigned int work_done = 0; - u16 q_number, completed_index; - u8 type, color; - struct rte_mbuf **rx_pkts = opaque; - unsigned int ret; - - cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs + - cq->ring.desc_size * cq->to_clean); - cq_desc_dec(cq_desc, &type, &color, - &q_number, &completed_index); - - while (color != cq->last_color) { - if (opaque) - opaque = (void *)&(rx_pkts[work_done]); - - ret = (*q_service)(cq->vdev, cq_desc, type, - q_number, completed_index, opaque); - cq->to_clean++; - if (cq->to_clean == cq->ring.desc_count) { - cq->to_clean = 0; - cq->last_color = cq->last_color ? 0 : 1; - } - - cq_desc = (struct cq_desc *)((u8 *)cq->ring.descs + - cq->ring.desc_size * cq->to_clean); - cq_desc_dec(cq_desc, &type, &color, - &q_number, &completed_index); - - if (ret) - work_done++; - if (work_done >= work_to_do) - break; - } - - return work_done; -} - -void vnic_cq_free(struct vnic_cq *cq); -int vnic_cq_alloc(struct vnic_dev *vdev, struct vnic_cq *cq, unsigned int index, - unsigned int socket_id, - unsigned int desc_count, unsigned int desc_size); -void vnic_cq_init(struct vnic_cq *cq, unsigned int flow_control_enable, - unsigned int color_enable, unsigned int cq_head, unsigned int cq_tail, - unsigned int cq_tail_color, unsigned int interrupt_enable, - unsigned int cq_entry_enable, unsigned int message_enable, - unsigned int interrupt_offset, u64 message_addr); -void vnic_cq_clean(struct vnic_cq *cq); -int vnic_cq_mem_size(struct vnic_cq *cq, unsigned int desc_count, - unsigned int desc_size); - -#endif /* _VNIC_CQ_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_dev.c b/lib/librte_pmd_enic/vnic/vnic_dev.c deleted file mode 100644 index f566734..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_dev.c +++ /dev/null @@ -1,1054 +0,0 @@ -/* - * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id$" - -#include -#include -#include - -#include "vnic_dev.h" -#include "vnic_resource.h" -#include "vnic_devcmd.h" -#include "vnic_stats.h" - - -enum vnic_proxy_type { - PROXY_NONE, - PROXY_BY_BDF, - PROXY_BY_INDEX, -}; - -struct vnic_res { - void __iomem *vaddr; - dma_addr_t bus_addr; - unsigned int count; -}; - -struct vnic_intr_coal_timer_info { - u32 mul; - u32 div; - u32 max_usec; -}; - -struct vnic_dev { - void *priv; - struct rte_pci_device *pdev; - struct vnic_res res[RES_TYPE_MAX]; - enum vnic_dev_intr_mode intr_mode; - struct vnic_devcmd __iomem *devcmd; - struct vnic_devcmd_notify *notify; - struct vnic_devcmd_notify notify_copy; - dma_addr_t notify_pa; - u32 notify_sz; - dma_addr_t linkstatus_pa; - struct vnic_stats *stats; - dma_addr_t stats_pa; - struct vnic_devcmd_fw_info *fw_info; - dma_addr_t fw_info_pa; - enum vnic_proxy_type proxy; - u32 proxy_index; - u64 args[VNIC_DEVCMD_NARGS]; - u16 split_hdr_size; - int in_reset; - struct vnic_intr_coal_timer_info intr_coal_timer_info; - void *(*alloc_consistent)(void *priv, size_t size, - dma_addr_t *dma_handle, u8 *name); - void (*free_consistent)(struct rte_pci_device *hwdev, - size_t size, void *vaddr, - dma_addr_t dma_handle); -}; - -#define VNIC_MAX_RES_HDR_SIZE \ - (sizeof(struct vnic_resource_header) + \ - sizeof(struct vnic_resource) * RES_TYPE_MAX) -#define VNIC_RES_STRIDE 128 - -void *vnic_dev_priv(struct vnic_dev *vdev) -{ - return vdev->priv; -} - -void vnic_register_cbacks(struct vnic_dev *vdev, - void *(*alloc_consistent)(void *priv, size_t size, - dma_addr_t *dma_handle, u8 *name), - void (*free_consistent)(struct rte_pci_device *hwdev, - size_t size, void *vaddr, - dma_addr_t dma_handle)) -{ - vdev->alloc_consistent = alloc_consistent; - vdev->free_consistent = free_consistent; -} - -static int vnic_dev_discover_res(struct vnic_dev *vdev, - struct vnic_dev_bar *bar, unsigned int num_bars) -{ - struct vnic_resource_header __iomem *rh; - struct mgmt_barmap_hdr __iomem *mrh; - struct vnic_resource __iomem *r; - u8 type; - - if (num_bars == 0) - return -EINVAL; - - if (bar->len < VNIC_MAX_RES_HDR_SIZE) { - pr_err("vNIC BAR0 res hdr length error\n"); - return -EINVAL; - } - - rh = bar->vaddr; - mrh = bar->vaddr; - if (!rh) { - pr_err("vNIC BAR0 res hdr not mem-mapped\n"); - return -EINVAL; - } - - /* Check for mgmt vnic in addition to normal vnic */ - if ((ioread32(&rh->magic) != VNIC_RES_MAGIC) || - (ioread32(&rh->version) != VNIC_RES_VERSION)) { - if ((ioread32(&mrh->magic) != MGMTVNIC_MAGIC) || - (ioread32(&mrh->version) != MGMTVNIC_VERSION)) { - pr_err("vNIC BAR0 res magic/version error " \ - "exp (%lx/%lx) or (%lx/%lx), curr (%x/%x)\n", - VNIC_RES_MAGIC, VNIC_RES_VERSION, - MGMTVNIC_MAGIC, MGMTVNIC_VERSION, - ioread32(&rh->magic), ioread32(&rh->version)); - return -EINVAL; - } - } - - if (ioread32(&mrh->magic) == MGMTVNIC_MAGIC) - r = (struct vnic_resource __iomem *)(mrh + 1); - else - r = (struct vnic_resource __iomem *)(rh + 1); - - - while ((type = ioread8(&r->type)) != RES_TYPE_EOL) { - u8 bar_num = ioread8(&r->bar); - u32 bar_offset = ioread32(&r->bar_offset); - u32 count = ioread32(&r->count); - u32 len; - - r++; - - if (bar_num >= num_bars) - continue; - - if (!bar[bar_num].len || !bar[bar_num].vaddr) - continue; - - switch (type) { - case RES_TYPE_WQ: - case RES_TYPE_RQ: - case RES_TYPE_CQ: - case RES_TYPE_INTR_CTRL: - /* each count is stride bytes long */ - len = count * VNIC_RES_STRIDE; - if (len + bar_offset > bar[bar_num].len) { - pr_err("vNIC BAR0 resource %d " \ - "out-of-bounds, offset 0x%x + " \ - "size 0x%x > bar len 0x%lx\n", - type, bar_offset, - len, - bar[bar_num].len); - return -EINVAL; - } - break; - case RES_TYPE_INTR_PBA_LEGACY: - case RES_TYPE_DEVCMD: - len = count; - break; - default: - continue; - } - - vdev->res[type].count = count; - vdev->res[type].vaddr = (char __iomem *)bar[bar_num].vaddr + - bar_offset; - vdev->res[type].bus_addr = bar[bar_num].bus_addr + bar_offset; - } - - return 0; -} - -unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, - enum vnic_res_type type) -{ - return vdev->res[type].count; -} - -void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, - unsigned int index) -{ - if (!vdev->res[type].vaddr) - return NULL; - - switch (type) { - case RES_TYPE_WQ: - case RES_TYPE_RQ: - case RES_TYPE_CQ: - case RES_TYPE_INTR_CTRL: - return (char __iomem *)vdev->res[type].vaddr + - index * VNIC_RES_STRIDE; - default: - return (char __iomem *)vdev->res[type].vaddr; - } -} - -unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring, - unsigned int desc_count, unsigned int desc_size) -{ - /* The base address of the desc rings must be 512 byte aligned. - * Descriptor count is aligned to groups of 32 descriptors. A - * count of 0 means the maximum 4096 descriptors. Descriptor - * size is aligned to 16 bytes. - */ - - unsigned int count_align = 32; - unsigned int desc_align = 16; - - ring->base_align = 512; - - if (desc_count == 0) - desc_count = 4096; - - ring->desc_count = VNIC_ALIGN(desc_count, count_align); - - ring->desc_size = VNIC_ALIGN(desc_size, desc_align); - - ring->size = ring->desc_count * ring->desc_size; - ring->size_unaligned = ring->size + ring->base_align; - - return ring->size_unaligned; -} - -void vnic_set_hdr_split_size(struct vnic_dev *vdev, u16 size) -{ - vdev->split_hdr_size = size; -} - -u16 vnic_get_hdr_split_size(struct vnic_dev *vdev) -{ - return vdev->split_hdr_size; -} - -void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring) -{ - memset(ring->descs, 0, ring->size); -} - -int vnic_dev_alloc_desc_ring(__attribute__((unused)) struct vnic_dev *vdev, - struct vnic_dev_ring *ring, - unsigned int desc_count, unsigned int desc_size, unsigned int socket_id, - char *z_name) -{ - const struct rte_memzone *rz; - - vnic_dev_desc_ring_size(ring, desc_count, desc_size); - - rz = rte_memzone_reserve_aligned(z_name, - ring->size_unaligned, socket_id, - 0, ENIC_ALIGN); - if (!rz) { - pr_err("Failed to allocate ring (size=%d), aborting\n", - (int)ring->size); - return -ENOMEM; - } - - ring->descs_unaligned = rz->addr; - if (!ring->descs_unaligned) { - pr_err("Failed to map allocated ring (size=%d), aborting\n", - (int)ring->size); - return -ENOMEM; - } - - ring->base_addr_unaligned = (dma_addr_t)rz->phys_addr; - - ring->base_addr = VNIC_ALIGN(ring->base_addr_unaligned, - ring->base_align); - ring->descs = (u8 *)ring->descs_unaligned + - (ring->base_addr - ring->base_addr_unaligned); - - vnic_dev_clear_desc_ring(ring); - - ring->desc_avail = ring->desc_count - 1; - - return 0; -} - -void vnic_dev_free_desc_ring(__attribute__((unused)) struct vnic_dev *vdev, - struct vnic_dev_ring *ring) -{ - if (ring->descs) - ring->descs = NULL; -} - -static int _vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, - int wait) -{ - struct vnic_devcmd __iomem *devcmd = vdev->devcmd; - unsigned int i; - int delay; - u32 status; - int err; - - status = ioread32(&devcmd->status); - if (status == 0xFFFFFFFF) { - /* PCI-e target device is gone */ - return -ENODEV; - } - if (status & STAT_BUSY) { - - pr_err("Busy devcmd %d\n", _CMD_N(cmd)); - return -EBUSY; - } - - if (_CMD_DIR(cmd) & _CMD_DIR_WRITE) { - for (i = 0; i < VNIC_DEVCMD_NARGS; i++) - writeq(vdev->args[i], &devcmd->args[i]); - wmb(); /* complete all writes initiated till now */ - } - - iowrite32(cmd, &devcmd->cmd); - - if ((_CMD_FLAGS(cmd) & _CMD_FLAGS_NOWAIT)) - return 0; - - for (delay = 0; delay < wait; delay++) { - - udelay(100); - - status = ioread32(&devcmd->status); - if (status == 0xFFFFFFFF) { - /* PCI-e target device is gone */ - return -ENODEV; - } - - if (!(status & STAT_BUSY)) { - if (status & STAT_ERROR) { - err = -(int)readq(&devcmd->args[0]); - if (cmd != CMD_CAPABILITY) - pr_err("Devcmd %d failed " \ - "with error code %d\n", - _CMD_N(cmd), err); - return err; - } - - if (_CMD_DIR(cmd) & _CMD_DIR_READ) { - rmb();/* finish all reads initiated till now */ - for (i = 0; i < VNIC_DEVCMD_NARGS; i++) - vdev->args[i] = readq(&devcmd->args[i]); - } - - return 0; - } - } - - pr_err("Timedout devcmd %d\n", _CMD_N(cmd)); - return -ETIMEDOUT; -} - -static int vnic_dev_cmd_proxy(struct vnic_dev *vdev, - enum vnic_devcmd_cmd proxy_cmd, enum vnic_devcmd_cmd cmd, - u64 *a0, u64 *a1, int wait) -{ - u32 status; - int err; - - memset(vdev->args, 0, sizeof(vdev->args)); - - vdev->args[0] = vdev->proxy_index; - vdev->args[1] = cmd; - vdev->args[2] = *a0; - vdev->args[3] = *a1; - - err = _vnic_dev_cmd(vdev, proxy_cmd, wait); - if (err) - return err; - - status = (u32)vdev->args[0]; - if (status & STAT_ERROR) { - err = (int)vdev->args[1]; - if (err != ERR_ECMDUNKNOWN || - cmd != CMD_CAPABILITY) - pr_err("Error %d proxy devcmd %d\n", err, _CMD_N(cmd)); - return err; - } - - *a0 = vdev->args[1]; - *a1 = vdev->args[2]; - - return 0; -} - -static int vnic_dev_cmd_no_proxy(struct vnic_dev *vdev, - enum vnic_devcmd_cmd cmd, u64 *a0, u64 *a1, int wait) -{ - int err; - - vdev->args[0] = *a0; - vdev->args[1] = *a1; - - err = _vnic_dev_cmd(vdev, cmd, wait); - - *a0 = vdev->args[0]; - *a1 = vdev->args[1]; - - return err; -} - -void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index) -{ - vdev->proxy = PROXY_BY_INDEX; - vdev->proxy_index = index; -} - -void vnic_dev_cmd_proxy_by_bdf_start(struct vnic_dev *vdev, u16 bdf) -{ - vdev->proxy = PROXY_BY_BDF; - vdev->proxy_index = bdf; -} - -void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev) -{ - vdev->proxy = PROXY_NONE; - vdev->proxy_index = 0; -} - -int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, - u64 *a0, u64 *a1, int wait) -{ - memset(vdev->args, 0, sizeof(vdev->args)); - - switch (vdev->proxy) { - case PROXY_BY_INDEX: - return vnic_dev_cmd_proxy(vdev, CMD_PROXY_BY_INDEX, cmd, - a0, a1, wait); - case PROXY_BY_BDF: - return vnic_dev_cmd_proxy(vdev, CMD_PROXY_BY_BDF, cmd, - a0, a1, wait); - case PROXY_NONE: - default: - return vnic_dev_cmd_no_proxy(vdev, cmd, a0, a1, wait); - } -} - -static int vnic_dev_capable(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd) -{ - u64 a0 = (u32)cmd, a1 = 0; - int wait = 1000; - int err; - - err = vnic_dev_cmd(vdev, CMD_CAPABILITY, &a0, &a1, wait); - - return !(err || a0); -} - -int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, size_t size, - void *value) -{ - u64 a0, a1; - int wait = 1000; - int err; - - a0 = offset; - a1 = size; - - err = vnic_dev_cmd(vdev, CMD_DEV_SPEC, &a0, &a1, wait); - - switch (size) { - case 1: - *(u8 *)value = (u8)a0; - break; - case 2: - *(u16 *)value = (u16)a0; - break; - case 4: - *(u32 *)value = (u32)a0; - break; - case 8: - *(u64 *)value = a0; - break; - default: - BUG(); - break; - } - - return err; -} - -int vnic_dev_stats_clear(struct vnic_dev *vdev) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - - return vnic_dev_cmd(vdev, CMD_STATS_CLEAR, &a0, &a1, wait); -} - -int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats) -{ - u64 a0, a1; - int wait = 1000; - static u32 instance; - char name[NAME_MAX]; - - if (!vdev->stats) { - snprintf((char *)name, sizeof(name), - "vnic_stats-%d", instance++); - vdev->stats = vdev->alloc_consistent(vdev->priv, - sizeof(struct vnic_stats), &vdev->stats_pa, (u8 *)name); - if (!vdev->stats) - return -ENOMEM; - } - - *stats = vdev->stats; - a0 = vdev->stats_pa; - a1 = sizeof(struct vnic_stats); - - return vnic_dev_cmd(vdev, CMD_STATS_DUMP, &a0, &a1, wait); -} - -int vnic_dev_close(struct vnic_dev *vdev) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - - return vnic_dev_cmd(vdev, CMD_CLOSE, &a0, &a1, wait); -} - -/** Deprecated. @see vnic_dev_enable_wait */ -int vnic_dev_enable(struct vnic_dev *vdev) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - - return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait); -} - -int vnic_dev_enable_wait(struct vnic_dev *vdev) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - - if (vnic_dev_capable(vdev, CMD_ENABLE_WAIT)) - return vnic_dev_cmd(vdev, CMD_ENABLE_WAIT, &a0, &a1, wait); - else - return vnic_dev_cmd(vdev, CMD_ENABLE, &a0, &a1, wait); -} - -int vnic_dev_disable(struct vnic_dev *vdev) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - - return vnic_dev_cmd(vdev, CMD_DISABLE, &a0, &a1, wait); -} - -int vnic_dev_open(struct vnic_dev *vdev, int arg) -{ - u64 a0 = (u32)arg, a1 = 0; - int wait = 1000; - - return vnic_dev_cmd(vdev, CMD_OPEN, &a0, &a1, wait); -} - -int vnic_dev_open_done(struct vnic_dev *vdev, int *done) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - int err; - - *done = 0; - - err = vnic_dev_cmd(vdev, CMD_OPEN_STATUS, &a0, &a1, wait); - if (err) - return err; - - *done = (a0 == 0); - - return 0; -} - -int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg) -{ - u64 a0 = (u32)arg, a1 = 0; - int wait = 1000; - - return vnic_dev_cmd(vdev, CMD_SOFT_RESET, &a0, &a1, wait); -} - -int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - int err; - - *done = 0; - - err = vnic_dev_cmd(vdev, CMD_SOFT_RESET_STATUS, &a0, &a1, wait); - if (err) - return err; - - *done = (a0 == 0); - - return 0; -} - -int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr) -{ - u64 a0, a1 = 0; - int wait = 1000; - int err, i; - - for (i = 0; i < ETH_ALEN; i++) - mac_addr[i] = 0; - - err = vnic_dev_cmd(vdev, CMD_GET_MAC_ADDR, &a0, &a1, wait); - if (err) - return err; - - for (i = 0; i < ETH_ALEN; i++) - mac_addr[i] = ((u8 *)&a0)[i]; - - return 0; -} - -int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, - int broadcast, int promisc, int allmulti) -{ - u64 a0, a1 = 0; - int wait = 1000; - int err; - - a0 = (directed ? CMD_PFILTER_DIRECTED : 0) | - (multicast ? CMD_PFILTER_MULTICAST : 0) | - (broadcast ? CMD_PFILTER_BROADCAST : 0) | - (promisc ? CMD_PFILTER_PROMISCUOUS : 0) | - (allmulti ? CMD_PFILTER_ALL_MULTICAST : 0); - - err = vnic_dev_cmd(vdev, CMD_PACKET_FILTER, &a0, &a1, wait); - if (err) - pr_err("Can't set packet filter\n"); - - return err; -} - -int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - int err; - int i; - - for (i = 0; i < ETH_ALEN; i++) - ((u8 *)&a0)[i] = addr[i]; - - err = vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait); - if (err) - pr_err("Can't add addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", - addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], - err); - - return err; -} - -int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - int err; - int i; - - for (i = 0; i < ETH_ALEN; i++) - ((u8 *)&a0)[i] = addr[i]; - - err = vnic_dev_cmd(vdev, CMD_ADDR_DEL, &a0, &a1, wait); - if (err) - pr_err("Can't del addr [%02x:%02x:%02x:%02x:%02x:%02x], %d\n", - addr[0], addr[1], addr[2], addr[3], addr[4], addr[5], - err); - - return err; -} - -int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev, - u8 ig_vlan_rewrite_mode) -{ - u64 a0 = ig_vlan_rewrite_mode, a1 = 0; - int wait = 1000; - - if (vnic_dev_capable(vdev, CMD_IG_VLAN_REWRITE_MODE)) - return vnic_dev_cmd(vdev, CMD_IG_VLAN_REWRITE_MODE, - &a0, &a1, wait); - else - return 0; -} - -int vnic_dev_raise_intr(struct vnic_dev *vdev, u16 intr) -{ - u64 a0 = intr, a1 = 0; - int wait = 1000; - int err; - - err = vnic_dev_cmd(vdev, CMD_IAR, &a0, &a1, wait); - if (err) - pr_err("Failed to raise INTR[%d], err %d\n", intr, err); - - return err; -} - -void vnic_dev_set_reset_flag(struct vnic_dev *vdev, int state) -{ - vdev->in_reset = state; -} - -static inline int vnic_dev_in_reset(struct vnic_dev *vdev) -{ - return vdev->in_reset; -} - -int vnic_dev_notify_setcmd(struct vnic_dev *vdev, - void *notify_addr, dma_addr_t notify_pa, u16 intr) -{ - u64 a0, a1; - int wait = 1000; - int r; - - memset(notify_addr, 0, sizeof(struct vnic_devcmd_notify)); - if (!vnic_dev_in_reset(vdev)) { - vdev->notify = notify_addr; - vdev->notify_pa = notify_pa; - } - - a0 = (u64)notify_pa; - a1 = ((u64)intr << 32) & 0x0000ffff00000000ULL; - a1 += sizeof(struct vnic_devcmd_notify); - - r = vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); - if (!vnic_dev_in_reset(vdev)) - vdev->notify_sz = (r == 0) ? (u32)a1 : 0; - - return r; -} - -int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr) -{ - void *notify_addr = NULL; - dma_addr_t notify_pa = 0; - char name[NAME_MAX]; - static u32 instance; - - if (vdev->notify || vdev->notify_pa) { - pr_warn("notify block %p still allocated.\n" \ - "Ignore if restarting port\n", vdev->notify); - return -EINVAL; - } - - if (!vnic_dev_in_reset(vdev)) { - snprintf((char *)name, sizeof(name), - "vnic_notify-%d", instance++); - notify_addr = vdev->alloc_consistent(vdev->priv, - sizeof(struct vnic_devcmd_notify), - ¬ify_pa, (u8 *)name); - if (!notify_addr) - return -ENOMEM; - } - - return vnic_dev_notify_setcmd(vdev, notify_addr, notify_pa, intr); -} - -int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev) -{ - u64 a0, a1; - int wait = 1000; - int err; - - a0 = 0; /* paddr = 0 to unset notify buffer */ - a1 = 0x0000ffff00000000ULL; /* intr num = -1 to unreg for intr */ - a1 += sizeof(struct vnic_devcmd_notify); - - err = vnic_dev_cmd(vdev, CMD_NOTIFY, &a0, &a1, wait); - if (!vnic_dev_in_reset(vdev)) { - vdev->notify = NULL; - vdev->notify_pa = 0; - vdev->notify_sz = 0; - } - - return err; -} - -int vnic_dev_notify_unset(struct vnic_dev *vdev) -{ - if (vdev->notify && !vnic_dev_in_reset(vdev)) { - vdev->free_consistent(vdev->pdev, - sizeof(struct vnic_devcmd_notify), - vdev->notify, - vdev->notify_pa); - } - - return vnic_dev_notify_unsetcmd(vdev); -} - -static int vnic_dev_notify_ready(struct vnic_dev *vdev) -{ - u32 *words; - unsigned int nwords = vdev->notify_sz / 4; - unsigned int i; - u32 csum; - - if (!vdev->notify || !vdev->notify_sz) - return 0; - - do { - csum = 0; - rte_memcpy(&vdev->notify_copy, vdev->notify, vdev->notify_sz); - words = (u32 *)&vdev->notify_copy; - for (i = 1; i < nwords; i++) - csum += words[i]; - } while (csum != words[0]); - - return 1; -} - -int vnic_dev_init(struct vnic_dev *vdev, int arg) -{ - u64 a0 = (u32)arg, a1 = 0; - int wait = 1000; - int r = 0; - - if (vnic_dev_capable(vdev, CMD_INIT)) - r = vnic_dev_cmd(vdev, CMD_INIT, &a0, &a1, wait); - else { - vnic_dev_cmd(vdev, CMD_INIT_v1, &a0, &a1, wait); - if (a0 & CMD_INITF_DEFAULT_MAC) { - /* Emulate these for old CMD_INIT_v1 which - * didn't pass a0 so no CMD_INITF_*. - */ - vnic_dev_cmd(vdev, CMD_GET_MAC_ADDR, &a0, &a1, wait); - vnic_dev_cmd(vdev, CMD_ADDR_ADD, &a0, &a1, wait); - } - } - return r; -} - -int vnic_dev_deinit(struct vnic_dev *vdev) -{ - u64 a0 = 0, a1 = 0; - int wait = 1000; - - return vnic_dev_cmd(vdev, CMD_DEINIT, &a0, &a1, wait); -} - -void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev) -{ - /* Default: hardware intr coal timer is in units of 1.5 usecs */ - vdev->intr_coal_timer_info.mul = 2; - vdev->intr_coal_timer_info.div = 3; - vdev->intr_coal_timer_info.max_usec = - vnic_dev_intr_coal_timer_hw_to_usec(vdev, 0xffff); -} - -int vnic_dev_link_status(struct vnic_dev *vdev) -{ - if (!vnic_dev_notify_ready(vdev)) - return 0; - - return vdev->notify_copy.link_state; -} - -u32 vnic_dev_port_speed(struct vnic_dev *vdev) -{ - if (!vnic_dev_notify_ready(vdev)) - return 0; - - return vdev->notify_copy.port_speed; -} - -void vnic_dev_set_intr_mode(struct vnic_dev *vdev, - enum vnic_dev_intr_mode intr_mode) -{ - vdev->intr_mode = intr_mode; -} - -enum vnic_dev_intr_mode vnic_dev_get_intr_mode( - struct vnic_dev *vdev) -{ - return vdev->intr_mode; -} - -u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec) -{ - return (usec * vdev->intr_coal_timer_info.mul) / - vdev->intr_coal_timer_info.div; -} - -u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles) -{ - return (hw_cycles * vdev->intr_coal_timer_info.div) / - vdev->intr_coal_timer_info.mul; -} - -u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev) -{ - return vdev->intr_coal_timer_info.max_usec; -} - -void vnic_dev_unregister(struct vnic_dev *vdev) -{ - if (vdev) { - if (vdev->notify) - vdev->free_consistent(vdev->pdev, - sizeof(struct vnic_devcmd_notify), - vdev->notify, - vdev->notify_pa); - if (vdev->stats) - vdev->free_consistent(vdev->pdev, - sizeof(struct vnic_stats), - vdev->stats, vdev->stats_pa); - if (vdev->fw_info) - vdev->free_consistent(vdev->pdev, - sizeof(struct vnic_devcmd_fw_info), - vdev->fw_info, vdev->fw_info_pa); - kfree(vdev); - } -} - -struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, - void *priv, struct rte_pci_device *pdev, struct vnic_dev_bar *bar, - unsigned int num_bars) -{ - if (!vdev) { - vdev = kzalloc(sizeof(struct vnic_dev), GFP_ATOMIC); - if (!vdev) - return NULL; - } - - vdev->priv = priv; - vdev->pdev = pdev; - - if (vnic_dev_discover_res(vdev, bar, num_bars)) - goto err_out; - - vdev->devcmd = vnic_dev_get_res(vdev, RES_TYPE_DEVCMD, 0); - if (!vdev->devcmd) - goto err_out; - - return vdev; - -err_out: - vnic_dev_unregister(vdev); - return NULL; -} - -struct rte_pci_device *vnic_dev_get_pdev(struct vnic_dev *vdev) -{ - return vdev->pdev; -} - -int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr) -{ - u64 a0, a1 = 0; - int wait = 1000; - int i; - - for (i = 0; i < ETH_ALEN; i++) - ((u8 *)&a0)[i] = mac_addr[i]; - - return vnic_dev_cmd(vdev, CMD_SET_MAC_ADDR, &a0, &a1, wait); -} - -/* - * vnic_dev_classifier: Add/Delete classifier entries - * @vdev: vdev of the device - * @cmd: CLSF_ADD for Add filter - * CLSF_DEL for Delete filter - * @entry: In case of ADD filter, the caller passes the RQ number in this - * variable. - * This function stores the filter_id returned by the - * firmware in the same variable before return; - * - * In case of DEL filter, the caller passes the RQ number. Return - * value is irrelevant. - * @data: filter data - */ -int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry, - struct filter *data) -{ - u64 a0, a1; - int wait = 1000; - dma_addr_t tlv_pa; - int ret = -EINVAL; - struct filter_tlv *tlv, *tlv_va; - struct filter_action *action; - u64 tlv_size; - static unsigned int unique_id; - char z_name[RTE_MEMZONE_NAMESIZE]; - - if (cmd == CLSF_ADD) { - tlv_size = sizeof(struct filter) + - sizeof(struct filter_action) + - 2*sizeof(struct filter_tlv); - snprintf((char *)z_name, sizeof(z_name), - "vnic_clsf_%d", unique_id++); - tlv_va = vdev->alloc_consistent(vdev->priv, - tlv_size, &tlv_pa, (u8 *)z_name); - if (!tlv_va) - return -ENOMEM; - tlv = tlv_va; - a0 = tlv_pa; - a1 = tlv_size; - memset(tlv, 0, tlv_size); - tlv->type = CLSF_TLV_FILTER; - tlv->length = sizeof(struct filter); - *(struct filter *)&tlv->val = *data; - - tlv = (struct filter_tlv *)((char *)tlv + - sizeof(struct filter_tlv) + - sizeof(struct filter)); - - tlv->type = CLSF_TLV_ACTION; - tlv->length = sizeof(struct filter_action); - action = (struct filter_action *)&tlv->val; - action->type = FILTER_ACTION_RQ_STEERING; - action->u.rq_idx = *entry; - - ret = vnic_dev_cmd(vdev, CMD_ADD_FILTER, &a0, &a1, wait); - *entry = (u16)a0; - vdev->free_consistent(vdev->pdev, tlv_size, tlv_va, tlv_pa); - } else if (cmd == CLSF_DEL) { - a0 = *entry; - ret = vnic_dev_cmd(vdev, CMD_DEL_FILTER, &a0, &a1, wait); - } - - return ret; -} diff --git a/lib/librte_pmd_enic/vnic/vnic_dev.h b/lib/librte_pmd_enic/vnic/vnic_dev.h deleted file mode 100644 index f583357..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_dev.h +++ /dev/null @@ -1,212 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_dev.h 196958 2014-11-04 18:23:37Z xuywang $" - -#ifndef _VNIC_DEV_H_ -#define _VNIC_DEV_H_ - -#include "enic_compat.h" -#include "rte_pci.h" -#include "vnic_resource.h" -#include "vnic_devcmd.h" - -#ifndef VNIC_PADDR_TARGET -#define VNIC_PADDR_TARGET 0x0000000000000000ULL -#endif - -#ifndef readq -static inline u64 readq(void __iomem *reg) -{ - return ((u64)readl((char *)reg + 0x4UL) << 32) | - (u64)readl(reg); -} - -static inline void writeq(u64 val, void __iomem *reg) -{ - writel(val & 0xffffffff, reg); - writel((u32)(val >> 32), (char *)reg + 0x4UL); -} -#endif - -#undef pr_fmt -#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt - -enum vnic_dev_intr_mode { - VNIC_DEV_INTR_MODE_UNKNOWN, - VNIC_DEV_INTR_MODE_INTX, - VNIC_DEV_INTR_MODE_MSI, - VNIC_DEV_INTR_MODE_MSIX, -}; - -struct vnic_dev_bar { - void __iomem *vaddr; - dma_addr_t bus_addr; - unsigned long len; -}; - -struct vnic_dev_ring { - void *descs; - size_t size; - dma_addr_t base_addr; - size_t base_align; - void *descs_unaligned; - size_t size_unaligned; - dma_addr_t base_addr_unaligned; - unsigned int desc_size; - unsigned int desc_count; - unsigned int desc_avail; -}; - -struct vnic_dev_iomap_info { - dma_addr_t bus_addr; - unsigned long len; - void __iomem *vaddr; -}; - -struct vnic_dev; -struct vnic_stats; - -void *vnic_dev_priv(struct vnic_dev *vdev); -unsigned int vnic_dev_get_res_count(struct vnic_dev *vdev, - enum vnic_res_type type); -void vnic_register_cbacks(struct vnic_dev *vdev, - void *(*alloc_consistent)(void *priv, size_t size, - dma_addr_t *dma_handle, u8 *name), - void (*free_consistent)(struct rte_pci_device *hwdev, - size_t size, void *vaddr, - dma_addr_t dma_handle)); -void __iomem *vnic_dev_get_res(struct vnic_dev *vdev, enum vnic_res_type type, - unsigned int index); -dma_addr_t vnic_dev_get_res_bus_addr(struct vnic_dev *vdev, - enum vnic_res_type type, unsigned int index); -uint8_t vnic_dev_get_res_bar(struct vnic_dev *vdev, - enum vnic_res_type type); -uint32_t vnic_dev_get_res_offset(struct vnic_dev *vdev, - enum vnic_res_type type, unsigned int index); -unsigned long vnic_dev_get_res_type_len(struct vnic_dev *vdev, - enum vnic_res_type type); -unsigned int vnic_dev_desc_ring_size(struct vnic_dev_ring *ring, - unsigned int desc_count, unsigned int desc_size); -void vnic_dev_clear_desc_ring(struct vnic_dev_ring *ring); -void vnic_set_hdr_split_size(struct vnic_dev *vdev, u16 size); -u16 vnic_get_hdr_split_size(struct vnic_dev *vdev); -int vnic_dev_alloc_desc_ring(struct vnic_dev *vdev, struct vnic_dev_ring *ring, - unsigned int desc_count, unsigned int desc_size, unsigned int socket_id, - char *z_name); -void vnic_dev_free_desc_ring(struct vnic_dev *vdev, - struct vnic_dev_ring *ring); -int vnic_dev_cmd(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, - u64 *a0, u64 *a1, int wait); -int vnic_dev_cmd_args(struct vnic_dev *vdev, enum vnic_devcmd_cmd cmd, - u64 *args, int nargs, int wait); -void vnic_dev_cmd_proxy_by_index_start(struct vnic_dev *vdev, u16 index); -void vnic_dev_cmd_proxy_by_bdf_start(struct vnic_dev *vdev, u16 bdf); -void vnic_dev_cmd_proxy_end(struct vnic_dev *vdev); -int vnic_dev_fw_info(struct vnic_dev *vdev, - struct vnic_devcmd_fw_info **fw_info); -int vnic_dev_asic_info(struct vnic_dev *vdev, u16 *asic_type, u16 *asic_rev); -int vnic_dev_spec(struct vnic_dev *vdev, unsigned int offset, size_t size, - void *value); -int vnic_dev_stats_clear(struct vnic_dev *vdev); -int vnic_dev_stats_dump(struct vnic_dev *vdev, struct vnic_stats **stats); -int vnic_dev_hang_notify(struct vnic_dev *vdev); -int vnic_dev_packet_filter(struct vnic_dev *vdev, int directed, int multicast, - int broadcast, int promisc, int allmulti); -int vnic_dev_packet_filter_all(struct vnic_dev *vdev, int directed, - int multicast, int broadcast, int promisc, int allmulti); -int vnic_dev_add_addr(struct vnic_dev *vdev, u8 *addr); -int vnic_dev_del_addr(struct vnic_dev *vdev, u8 *addr); -int vnic_dev_get_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); -int vnic_dev_raise_intr(struct vnic_dev *vdev, u16 intr); -int vnic_dev_notify_set(struct vnic_dev *vdev, u16 intr); -void vnic_dev_set_reset_flag(struct vnic_dev *vdev, int state); -int vnic_dev_notify_unset(struct vnic_dev *vdev); -int vnic_dev_notify_setcmd(struct vnic_dev *vdev, - void *notify_addr, dma_addr_t notify_pa, u16 intr); -int vnic_dev_notify_unsetcmd(struct vnic_dev *vdev); -int vnic_dev_link_status(struct vnic_dev *vdev); -u32 vnic_dev_port_speed(struct vnic_dev *vdev); -u32 vnic_dev_msg_lvl(struct vnic_dev *vdev); -u32 vnic_dev_mtu(struct vnic_dev *vdev); -u32 vnic_dev_link_down_cnt(struct vnic_dev *vdev); -u32 vnic_dev_notify_status(struct vnic_dev *vdev); -u32 vnic_dev_uif(struct vnic_dev *vdev); -int vnic_dev_close(struct vnic_dev *vdev); -int vnic_dev_enable(struct vnic_dev *vdev); -int vnic_dev_enable_wait(struct vnic_dev *vdev); -int vnic_dev_disable(struct vnic_dev *vdev); -int vnic_dev_open(struct vnic_dev *vdev, int arg); -int vnic_dev_open_done(struct vnic_dev *vdev, int *done); -int vnic_dev_init(struct vnic_dev *vdev, int arg); -int vnic_dev_init_done(struct vnic_dev *vdev, int *done, int *err); -int vnic_dev_init_prov(struct vnic_dev *vdev, u8 *buf, u32 len); -int vnic_dev_deinit(struct vnic_dev *vdev); -void vnic_dev_intr_coal_timer_info_default(struct vnic_dev *vdev); -int vnic_dev_intr_coal_timer_info(struct vnic_dev *vdev); -int vnic_dev_soft_reset(struct vnic_dev *vdev, int arg); -int vnic_dev_soft_reset_done(struct vnic_dev *vdev, int *done); -int vnic_dev_hang_reset(struct vnic_dev *vdev, int arg); -int vnic_dev_hang_reset_done(struct vnic_dev *vdev, int *done); -void vnic_dev_set_intr_mode(struct vnic_dev *vdev, - enum vnic_dev_intr_mode intr_mode); -enum vnic_dev_intr_mode vnic_dev_get_intr_mode(struct vnic_dev *vdev); -u32 vnic_dev_intr_coal_timer_usec_to_hw(struct vnic_dev *vdev, u32 usec); -u32 vnic_dev_intr_coal_timer_hw_to_usec(struct vnic_dev *vdev, u32 hw_cycles); -u32 vnic_dev_get_intr_coal_timer_max(struct vnic_dev *vdev); -void vnic_dev_unregister(struct vnic_dev *vdev); -int vnic_dev_set_ig_vlan_rewrite_mode(struct vnic_dev *vdev, - u8 ig_vlan_rewrite_mode); -struct vnic_dev *vnic_dev_register(struct vnic_dev *vdev, - void *priv, struct rte_pci_device *pdev, struct vnic_dev_bar *bar, - unsigned int num_bars); -struct rte_pci_device *vnic_dev_get_pdev(struct vnic_dev *vdev); -int vnic_dev_cmd_init(struct vnic_dev *vdev, int fallback); -int vnic_dev_get_size(void); -int vnic_dev_int13(struct vnic_dev *vdev, u64 arg, u32 op); -int vnic_dev_perbi(struct vnic_dev *vdev, u64 arg, u32 op); -u32 vnic_dev_perbi_rebuild_cnt(struct vnic_dev *vdev); -int vnic_dev_init_prov2(struct vnic_dev *vdev, u8 *buf, u32 len); -int vnic_dev_enable2(struct vnic_dev *vdev, int active); -int vnic_dev_enable2_done(struct vnic_dev *vdev, int *status); -int vnic_dev_deinit_done(struct vnic_dev *vdev, int *status); -int vnic_dev_set_mac_addr(struct vnic_dev *vdev, u8 *mac_addr); -int vnic_dev_classifier(struct vnic_dev *vdev, u8 cmd, u16 *entry, - struct filter *data); -#ifdef ENIC_VXLAN -int vnic_dev_overlay_offload_enable_disable(struct vnic_dev *vdev, - u8 overlay, u8 config); -int vnic_dev_overlay_offload_cfg(struct vnic_dev *vdev, u8 overlay, - u16 vxlan_udp_port_number); -#endif -#endif /* _VNIC_DEV_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_devcmd.h b/lib/librte_pmd_enic/vnic/vnic_devcmd.h deleted file mode 100644 index e7ecf31..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_devcmd.h +++ /dev/null @@ -1,774 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_devcmd.h 173135 2014-05-16 03:14:07Z sanpilla $" - -#ifndef _VNIC_DEVCMD_H_ -#define _VNIC_DEVCMD_H_ - -#define _CMD_NBITS 14 -#define _CMD_VTYPEBITS 10 -#define _CMD_FLAGSBITS 6 -#define _CMD_DIRBITS 2 - -#define _CMD_NMASK ((1 << _CMD_NBITS)-1) -#define _CMD_VTYPEMASK ((1 << _CMD_VTYPEBITS)-1) -#define _CMD_FLAGSMASK ((1 << _CMD_FLAGSBITS)-1) -#define _CMD_DIRMASK ((1 << _CMD_DIRBITS)-1) - -#define _CMD_NSHIFT 0 -#define _CMD_VTYPESHIFT (_CMD_NSHIFT+_CMD_NBITS) -#define _CMD_FLAGSSHIFT (_CMD_VTYPESHIFT+_CMD_VTYPEBITS) -#define _CMD_DIRSHIFT (_CMD_FLAGSSHIFT+_CMD_FLAGSBITS) - -/* - * Direction bits (from host perspective). - */ -#define _CMD_DIR_NONE 0U -#define _CMD_DIR_WRITE 1U -#define _CMD_DIR_READ 2U -#define _CMD_DIR_RW (_CMD_DIR_WRITE | _CMD_DIR_READ) - -/* - * Flag bits. - */ -#define _CMD_FLAGS_NONE 0U -#define _CMD_FLAGS_NOWAIT 1U - -/* - * vNIC type bits. - */ -#define _CMD_VTYPE_NONE 0U -#define _CMD_VTYPE_ENET 1U -#define _CMD_VTYPE_FC 2U -#define _CMD_VTYPE_SCSI 4U -#define _CMD_VTYPE_ALL (_CMD_VTYPE_ENET | _CMD_VTYPE_FC | _CMD_VTYPE_SCSI) - -/* - * Used to create cmds.. - */ -#define _CMDCF(dir, flags, vtype, nr) \ - (((dir) << _CMD_DIRSHIFT) | \ - ((flags) << _CMD_FLAGSSHIFT) | \ - ((vtype) << _CMD_VTYPESHIFT) | \ - ((nr) << _CMD_NSHIFT)) -#define _CMDC(dir, vtype, nr) _CMDCF(dir, 0, vtype, nr) -#define _CMDCNW(dir, vtype, nr) _CMDCF(dir, _CMD_FLAGS_NOWAIT, vtype, nr) - -/* - * Used to decode cmds.. - */ -#define _CMD_DIR(cmd) (((cmd) >> _CMD_DIRSHIFT) & _CMD_DIRMASK) -#define _CMD_FLAGS(cmd) (((cmd) >> _CMD_FLAGSSHIFT) & _CMD_FLAGSMASK) -#define _CMD_VTYPE(cmd) (((cmd) >> _CMD_VTYPESHIFT) & _CMD_VTYPEMASK) -#define _CMD_N(cmd) (((cmd) >> _CMD_NSHIFT) & _CMD_NMASK) - -enum vnic_devcmd_cmd { - CMD_NONE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_NONE, 0), - - /* - * mcpu fw info in mem: - * in: - * (u64)a0=paddr to struct vnic_devcmd_fw_info - * action: - * Fills in struct vnic_devcmd_fw_info (128 bytes) - * note: - * An old definition of CMD_MCPU_FW_INFO - */ - CMD_MCPU_FW_INFO_OLD = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 1), - - /* - * mcpu fw info in mem: - * in: - * (u64)a0=paddr to struct vnic_devcmd_fw_info - * (u16)a1=size of the structure - * out: - * (u16)a1=0 for in:a1 = 0, - * data size actually written for other values. - * action: - * Fills in first 128 bytes of vnic_devcmd_fw_info for in:a1 = 0, - * first in:a1 bytes for 0 < in:a1 <= 132, - * 132 bytes for other values of in:a1. - * note: - * CMD_MCPU_FW_INFO and CMD_MCPU_FW_INFO_OLD have the same enum 1 - * for source compatibility. - */ - CMD_MCPU_FW_INFO = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 1), - - /* dev-specific block member: - * in: (u16)a0=offset,(u8)a1=size - * out: a0=value */ - CMD_DEV_SPEC = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 2), - - /* stats clear */ - CMD_STATS_CLEAR = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 3), - - /* stats dump in mem: (u64)a0=paddr to stats area, - * (u16)a1=sizeof stats area */ - CMD_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 4), - - /* set Rx packet filter: (u32)a0=filters (see CMD_PFILTER_*) */ - CMD_PACKET_FILTER = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 7), - - /* set Rx packet filter for all: (u32)a0=filters (see CMD_PFILTER_*) */ - CMD_PACKET_FILTER_ALL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 7), - - /* hang detection notification */ - CMD_HANG_NOTIFY = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 8), - - /* MAC address in (u48)a0 */ - CMD_GET_MAC_ADDR = _CMDC(_CMD_DIR_READ, - _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 9), - - /* add addr from (u48)a0 */ - CMD_ADDR_ADD = _CMDCNW(_CMD_DIR_WRITE, - _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 12), - - /* del addr from (u48)a0 */ - CMD_ADDR_DEL = _CMDCNW(_CMD_DIR_WRITE, - _CMD_VTYPE_ENET | _CMD_VTYPE_FC, 13), - - /* add VLAN id in (u16)a0 */ - CMD_VLAN_ADD = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 14), - - /* del VLAN id in (u16)a0 */ - CMD_VLAN_DEL = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 15), - - /* nic_cfg in (u32)a0 */ - CMD_NIC_CFG = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 16), - - /* union vnic_rss_key in mem: (u64)a0=paddr, (u16)a1=len */ - CMD_RSS_KEY = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 17), - - /* union vnic_rss_cpu in mem: (u64)a0=paddr, (u16)a1=len */ - CMD_RSS_CPU = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 18), - - /* initiate softreset */ - CMD_SOFT_RESET = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 19), - - /* softreset status: - * out: a0=0 reset complete, a0=1 reset in progress */ - CMD_SOFT_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 20), - - /* set struct vnic_devcmd_notify buffer in mem: - * in: - * (u64)a0=paddr to notify (set paddr=0 to unset) - * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify) - * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr) - * out: - * (u32)a1 = effective size - */ - CMD_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 21), - - /* UNDI API: (u64)a0=paddr to s_PXENV_UNDI_ struct, - * (u8)a1=PXENV_UNDI_xxx */ - CMD_UNDI = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 22), - - /* initiate open sequence (u32)a0=flags (see CMD_OPENF_*) */ - CMD_OPEN = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 23), - - /* open status: - * out: a0=0 open complete, a0=1 open in progress */ - CMD_OPEN_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 24), - - /* close vnic */ - CMD_CLOSE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 25), - - /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */ -/***** Replaced by CMD_INIT *****/ - CMD_INIT_v1 = _CMDCNW(_CMD_DIR_READ, _CMD_VTYPE_ALL, 26), - - /* variant of CMD_INIT, with provisioning info - * (u64)a0=paddr of vnic_devcmd_provinfo - * (u32)a1=sizeof provision info */ - CMD_INIT_PROV_INFO = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 27), - - /* enable virtual link */ - CMD_ENABLE = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28), - - /* enable virtual link, waiting variant. */ - CMD_ENABLE_WAIT = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 28), - - /* disable virtual link */ - CMD_DISABLE = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 29), - - /* stats dump sum of all vnic stats on same uplink in mem: - * (u64)a0=paddr - * (u16)a1=sizeof stats area */ - CMD_STATS_DUMP_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 30), - - /* init status: - * out: a0=0 init complete, a0=1 init in progress - * if a0=0, a1=errno */ - CMD_INIT_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 31), - - /* INT13 API: (u64)a0=paddr to vnic_int13_params struct - * (u32)a1=INT13_CMD_xxx */ - CMD_INT13 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_FC, 32), - - /* logical uplink enable/disable: (u64)a0: 0/1=disable/enable */ - CMD_LOGICAL_UPLINK = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 33), - - /* undo initialize of virtual link */ - CMD_DEINIT = _CMDCNW(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 34), - - /* initialize virtual link: (u32)a0=flags (see CMD_INITF_*) */ - CMD_INIT = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 35), - - /* check fw capability of a cmd: - * in: (u32)a0=cmd - * out: (u32)a0=errno, 0:valid cmd, a1=supported VNIC_STF_* bits */ - CMD_CAPABILITY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 36), - - /* persistent binding info - * in: (u64)a0=paddr of arg - * (u32)a1=CMD_PERBI_XXX */ - CMD_PERBI = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_FC, 37), - - /* Interrupt Assert Register functionality - * in: (u16)a0=interrupt number to assert - */ - CMD_IAR = _CMDCNW(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 38), - - /* initiate hangreset, like softreset after hang detected */ - CMD_HANG_RESET = _CMDC(_CMD_DIR_NONE, _CMD_VTYPE_ALL, 39), - - /* hangreset status: - * out: a0=0 reset complete, a0=1 reset in progress */ - CMD_HANG_RESET_STATUS = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 40), - - /* - * Set hw ingress packet vlan rewrite mode: - * in: (u32)a0=new vlan rewrite mode - * out: (u32)a0=old vlan rewrite mode */ - CMD_IG_VLAN_REWRITE_MODE = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 41), - - /* - * in: (u16)a0=bdf of target vnic - * (u32)a1=cmd to proxy - * a2-a15=args to cmd in a1 - * out: (u32)a0=status of proxied cmd - * a1-a15=out args of proxied cmd */ - CMD_PROXY_BY_BDF = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 42), - - /* - * As for BY_BDF except a0 is index of hvnlink subordinate vnic - * or SR-IOV virtual vnic - */ - CMD_PROXY_BY_INDEX = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 43), - - /* - * For HPP toggle: - * adapter-info-get - * in: (u64)a0=phsical address of buffer passed in from caller. - * (u16)a1=size of buffer specified in a0. - * out: (u64)a0=phsical address of buffer passed in from caller. - * (u16)a1=actual bytes from VIF-CONFIG-INFO TLV, or - * 0 if no VIF-CONFIG-INFO TLV was ever received. */ - CMD_CONFIG_INFO_GET = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 44), - - /* - * INT13 API: (u64)a0=paddr to vnic_int13_params struct - * (u32)a1=INT13_CMD_xxx - */ - CMD_INT13_ALL = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 45), - - /* - * Set default vlan: - * in: (u16)a0=new default vlan - * (u16)a1=zero for overriding vlan with param a0, - * non-zero for resetting vlan to the default - * out: (u16)a0=old default vlan - */ - CMD_SET_DEFAULT_VLAN = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 46), - - /* init_prov_info2: - * Variant of CMD_INIT_PROV_INFO, where it will not try to enable - * the vnic until CMD_ENABLE2 is issued. - * (u64)a0=paddr of vnic_devcmd_provinfo - * (u32)a1=sizeof provision info */ - CMD_INIT_PROV_INFO2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 47), - - /* enable2: - * (u32)a0=0 ==> standby - * =CMD_ENABLE2_ACTIVE ==> active - */ - CMD_ENABLE2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 48), - - /* - * cmd_status: - * Returns the status of the specified command - * Input: - * a0 = command for which status is being queried. - * Possible values are: - * CMD_SOFT_RESET - * CMD_HANG_RESET - * CMD_OPEN - * CMD_INIT - * CMD_INIT_PROV_INFO - * CMD_DEINIT - * CMD_INIT_PROV_INFO2 - * CMD_ENABLE2 - * Output: - * if status == STAT_ERROR - * a0 = ERR_ENOTSUPPORTED - status for command in a0 is - * not supported - * if status == STAT_NONE - * a0 = status of the devcmd specified in a0 as follows. - * ERR_SUCCESS - command in a0 completed successfully - * ERR_EINPROGRESS - command in a0 is still in progress - */ - CMD_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 49), - - /* - * Returns interrupt coalescing timer conversion factors. - * After calling this devcmd, ENIC driver can convert - * interrupt coalescing timer in usec into CPU cycles as follows: - * - * intr_timer_cycles = intr_timer_usec * multiplier / divisor - * - * Interrupt coalescing timer in usecs can be be converted/obtained - * from CPU cycles as follows: - * - * intr_timer_usec = intr_timer_cycles * divisor / multiplier - * - * in: none - * out: (u32)a0 = multiplier - * (u32)a1 = divisor - * (u32)a2 = maximum timer value in usec - */ - CMD_INTR_COAL_CONVERT = _CMDC(_CMD_DIR_READ, _CMD_VTYPE_ALL, 50), - - /* - * ISCSI DUMP API: - * in: (u64)a0=paddr of the param or param itself - * (u32)a1=ISCSI_CMD_xxx - */ - CMD_ISCSI_DUMP_REQ = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 51), - - /* - * ISCSI DUMP STATUS API: - * in: (u32)a0=cmd tag - * in: (u32)a1=ISCSI_CMD_xxx - * out: (u32)a0=cmd status - */ - CMD_ISCSI_DUMP_STATUS = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 52), - - /* - * Subvnic migration from MQ <--> VF. - * Enable the LIF migration from MQ to VF and vice versa. MQ and VF - * indexes are statically bound at the time of initialization. - * Based on the - * direction of migration, the resources of either MQ or the VF shall - * be attached to the LIF. - * in: (u32)a0=Direction of Migration - * 0=> Migrate to VF - * 1=> Migrate to MQ - * (u32)a1=VF index (MQ index) - */ - CMD_MIGRATE_SUBVNIC = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 53), - - - /* - * Register / Deregister the notification block for MQ subvnics - * in: - * (u64)a0=paddr to notify (set paddr=0 to unset) - * (u32)a1 & 0x00000000ffffffff=sizeof(struct vnic_devcmd_notify) - * (u16)a1 & 0x0000ffff00000000=intr num (-1 for no intr) - * out: - * (u32)a1 = effective size - */ - CMD_SUBVNIC_NOTIFY = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ALL, 54), - - /* - * Set the predefined mac address as default - * in: - * (u48)a0=mac addr - */ - CMD_SET_MAC_ADDR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 55), - - /* Update the provisioning info of the given VIF - * (u64)a0=paddr of vnic_devcmd_provinfo - * (u32)a1=sizeof provision info */ - CMD_PROV_INFO_UPDATE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 56), - - /* - * Initialization for the devcmd2 interface. - * in: (u64) a0=host result buffer physical address - * in: (u16) a1=number of entries in result buffer - */ - CMD_INITIALIZE_DEVCMD2 = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ALL, 57), - - /* - * Add a filter. - * in: (u64) a0= filter address - * (u32) a1= size of filter - * out: (u32) a0=filter identifier - */ - CMD_ADD_FILTER = _CMDC(_CMD_DIR_RW, _CMD_VTYPE_ENET, 58), - - /* - * Delete a filter. - * in: (u32) a0=filter identifier - */ - CMD_DEL_FILTER = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 59), - - /* - * Enable a Queue Pair in User space NIC - * in: (u32) a0=Queue Pair number - * (u32) a1= command - */ - CMD_QP_ENABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 60), - - /* - * Disable a Queue Pair in User space NIC - * in: (u32) a0=Queue Pair number - * (u32) a1= command - */ - CMD_QP_DISABLE = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 61), - - /* - * Stats dump Queue Pair in User space NIC - * in: (u32) a0=Queue Pair number - * (u64) a1=host buffer addr for status dump - * (u32) a2=length of the buffer - */ - CMD_QP_STATS_DUMP = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 62), - - /* - * Clear stats for Queue Pair in User space NIC - * in: (u32) a0=Queue Pair number - */ - CMD_QP_STATS_CLEAR = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 63), - - /* - * Enable/Disable overlay offloads on the given vnic - * in: (u8) a0 = OVERLAY_FEATURE_NVGRE : NVGRE - * a0 = OVERLAY_FEATURE_VXLAN : VxLAN - * in: (u8) a1 = OVERLAY_OFFLOAD_ENABLE : Enable - * a1 = OVERLAY_OFFLOAD_DISABLE : Disable - */ - CMD_OVERLAY_OFFLOAD_ENABLE_DISABLE = - _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 72), - - /* - * Configuration of overlay offloads feature on a given vNIC - * in: (u8) a0 = DEVCMD_OVERLAY_NVGRE : NVGRE - * a0 = DEVCMD_OVERLAY_VXLAN : VxLAN - * in: (u8) a1 = VXLAN_PORT_UPDATE : VxLAN - * in: (u16) a2 = unsigned short int port information - */ - CMD_OVERLAY_OFFLOAD_CFG = _CMDC(_CMD_DIR_WRITE, _CMD_VTYPE_ENET, 73), -}; - -/* CMD_ENABLE2 flags */ -#define CMD_ENABLE2_STANDBY 0x0 -#define CMD_ENABLE2_ACTIVE 0x1 - -/* flags for CMD_OPEN */ -#define CMD_OPENF_OPROM 0x1 /* open coming from option rom */ - -/* flags for CMD_INIT */ -#define CMD_INITF_DEFAULT_MAC 0x1 /* init with default mac addr */ - -/* flags for CMD_PACKET_FILTER */ -#define CMD_PFILTER_DIRECTED 0x01 -#define CMD_PFILTER_MULTICAST 0x02 -#define CMD_PFILTER_BROADCAST 0x04 -#define CMD_PFILTER_PROMISCUOUS 0x08 -#define CMD_PFILTER_ALL_MULTICAST 0x10 - -/* Commands for CMD_QP_ENABLE/CM_QP_DISABLE */ -#define CMD_QP_RQWQ 0x0 - -/* rewrite modes for CMD_IG_VLAN_REWRITE_MODE */ -#define IG_VLAN_REWRITE_MODE_DEFAULT_TRUNK 0 -#define IG_VLAN_REWRITE_MODE_UNTAG_DEFAULT_VLAN 1 -#define IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN 2 -#define IG_VLAN_REWRITE_MODE_PASS_THRU 3 - -enum vnic_devcmd_status { - STAT_NONE = 0, - STAT_BUSY = 1 << 0, /* cmd in progress */ - STAT_ERROR = 1 << 1, /* last cmd caused error (code in a0) */ -}; - -enum vnic_devcmd_error { - ERR_SUCCESS = 0, - ERR_EINVAL = 1, - ERR_EFAULT = 2, - ERR_EPERM = 3, - ERR_EBUSY = 4, - ERR_ECMDUNKNOWN = 5, - ERR_EBADSTATE = 6, - ERR_ENOMEM = 7, - ERR_ETIMEDOUT = 8, - ERR_ELINKDOWN = 9, - ERR_EMAXRES = 10, - ERR_ENOTSUPPORTED = 11, - ERR_EINPROGRESS = 12, - ERR_MAX -}; - -/* - * note: hw_version and asic_rev refer to the same thing, - * but have different formats. hw_version is - * a 32-byte string (e.g. "A2") and asic_rev is - * a 16-bit integer (e.g. 0xA2). - */ -struct vnic_devcmd_fw_info { - char fw_version[32]; - char fw_build[32]; - char hw_version[32]; - char hw_serial_number[32]; - u16 asic_type; - u16 asic_rev; -}; - -enum fwinfo_asic_type { - FWINFO_ASIC_TYPE_UNKNOWN, - FWINFO_ASIC_TYPE_PALO, - FWINFO_ASIC_TYPE_SERENO, -}; - - -struct vnic_devcmd_notify { - u32 csum; /* checksum over following words */ - - u32 link_state; /* link up == 1 */ - u32 port_speed; /* effective port speed (rate limit) */ - u32 mtu; /* MTU */ - u32 msglvl; /* requested driver msg lvl */ - u32 uif; /* uplink interface */ - u32 status; /* status bits (see VNIC_STF_*) */ - u32 error; /* error code (see ERR_*) for first ERR */ - u32 link_down_cnt; /* running count of link down transitions */ - u32 perbi_rebuild_cnt; /* running count of perbi rebuilds */ -}; -#define VNIC_STF_FATAL_ERR 0x0001 /* fatal fw error */ -#define VNIC_STF_STD_PAUSE 0x0002 /* standard link-level pause on */ -#define VNIC_STF_PFC_PAUSE 0x0004 /* priority flow control pause on */ -/* all supported status flags */ -#define VNIC_STF_ALL (VNIC_STF_FATAL_ERR |\ - VNIC_STF_STD_PAUSE |\ - VNIC_STF_PFC_PAUSE |\ - 0) - -struct vnic_devcmd_provinfo { - u8 oui[3]; - u8 type; - u8 data[0]; -}; - -/* - * These are used in flags field of different filters to denote - * valid fields used. - */ -#define FILTER_FIELD_VALID(fld) (1 << (fld - 1)) - -#define FILTER_FIELDS_USNIC (FILTER_FIELD_VALID(1) | \ - FILTER_FIELD_VALID(2) | \ - FILTER_FIELD_VALID(3) | \ - FILTER_FIELD_VALID(4)) - -#define FILTER_FIELDS_IPV4_5TUPLE (FILTER_FIELD_VALID(1) | \ - FILTER_FIELD_VALID(2) | \ - FILTER_FIELD_VALID(3) | \ - FILTER_FIELD_VALID(4) | \ - FILTER_FIELD_VALID(5)) - -#define FILTER_FIELDS_MAC_VLAN (FILTER_FIELD_VALID(1) | \ - FILTER_FIELD_VALID(2)) - -#define FILTER_FIELD_USNIC_VLAN FILTER_FIELD_VALID(1) -#define FILTER_FIELD_USNIC_ETHTYPE FILTER_FIELD_VALID(2) -#define FILTER_FIELD_USNIC_PROTO FILTER_FIELD_VALID(3) -#define FILTER_FIELD_USNIC_ID FILTER_FIELD_VALID(4) - -struct filter_usnic_id { - u32 flags; - u16 vlan; - u16 ethtype; - u8 proto_version; - u32 usnic_id; -} __attribute__((packed)); - -#define FILTER_FIELD_5TUP_PROTO FILTER_FIELD_VALID(1) -#define FILTER_FIELD_5TUP_SRC_AD FILTER_FIELD_VALID(2) -#define FILTER_FIELD_5TUP_DST_AD FILTER_FIELD_VALID(3) -#define FILTER_FIELD_5TUP_SRC_PT FILTER_FIELD_VALID(4) -#define FILTER_FIELD_5TUP_DST_PT FILTER_FIELD_VALID(5) - -/* Enums for the protocol field. */ -enum protocol_e { - PROTO_UDP = 0, - PROTO_TCP = 1, -}; - -struct filter_ipv4_5tuple { - u32 flags; - u32 protocol; - u32 src_addr; - u32 dst_addr; - u16 src_port; - u16 dst_port; -} __attribute__((packed)); - -#define FILTER_FIELD_VMQ_VLAN FILTER_FIELD_VALID(1) -#define FILTER_FIELD_VMQ_MAC FILTER_FIELD_VALID(2) - -struct filter_mac_vlan { - u32 flags; - u16 vlan; - u8 mac_addr[6]; -} __attribute__((packed)); - -/* Specifies the filter_action type. */ -enum { - FILTER_ACTION_RQ_STEERING = 0, - FILTER_ACTION_MAX -}; - -struct filter_action { - u32 type; - union { - u32 rq_idx; - } u; -} __attribute__((packed)); - -/* Specifies the filter type. */ -enum filter_type { - FILTER_USNIC_ID = 0, - FILTER_IPV4_5TUPLE = 1, - FILTER_MAC_VLAN = 2, - FILTER_MAX -}; - -struct filter { - u32 type; - union { - struct filter_usnic_id usnic; - struct filter_ipv4_5tuple ipv4; - struct filter_mac_vlan mac_vlan; - } u; -} __attribute__((packed)); - -enum { - CLSF_TLV_FILTER = 0, - CLSF_TLV_ACTION = 1, -}; - -#define FILTER_MAX_BUF_SIZE 100 /* Maximum size of buffer to CMD_ADD_FILTER */ - -struct filter_tlv { - uint32_t type; - uint32_t length; - uint32_t val[0]; -}; - -enum { - CLSF_ADD = 0, - CLSF_DEL = 1, -}; - -/* - * Writing cmd register causes STAT_BUSY to get set in status register. - * When cmd completes, STAT_BUSY will be cleared. - * - * If cmd completed successfully STAT_ERROR will be clear - * and args registers contain cmd-specific results. - * - * If cmd error, STAT_ERROR will be set and args[0] contains error code. - * - * status register is read-only. While STAT_BUSY is set, - * all other register contents are read-only. - */ - -/* Make sizeof(vnic_devcmd) a power-of-2 for I/O BAR. */ -#define VNIC_DEVCMD_NARGS 15 -struct vnic_devcmd { - u32 status; /* RO */ - u32 cmd; /* RW */ - u64 args[VNIC_DEVCMD_NARGS]; /* RW cmd args (little-endian) */ -}; - -/* - * Version 2 of the interface. - * - * Some things are carried over, notably the vnic_devcmd_cmd enum. - */ - -/* - * Flags for vnic_devcmd2.flags - */ - -#define DEVCMD2_FNORESULT 0x1 /* Don't copy result to host */ - -#define VNIC_DEVCMD2_NARGS VNIC_DEVCMD_NARGS -struct vnic_devcmd2 { - u16 pad; - u16 flags; - u32 cmd; /* same command #defines as original */ - u64 args[VNIC_DEVCMD2_NARGS]; -}; - -#define VNIC_DEVCMD2_NRESULTS VNIC_DEVCMD_NARGS -struct devcmd2_result { - u64 results[VNIC_DEVCMD2_NRESULTS]; - u32 pad; - u16 completed_index; /* into copy WQ */ - u8 error; /* same error codes as original */ - u8 color; /* 0 or 1 as with completion queues */ -}; - -#define DEVCMD2_RING_SIZE 32 -#define DEVCMD2_DESC_SIZE 128 - -#define DEVCMD2_RESULTS_SIZE_MAX ((1 << 16) - 1) - -/* Overlay related definitions */ - -/* - * This enum lists the flag associated with each of the overlay features - */ -typedef enum { - OVERLAY_FEATURE_NVGRE = 1, - OVERLAY_FEATURE_VXLAN, - OVERLAY_FEATURE_MAX, -} overlay_feature_t; - -#define OVERLAY_OFFLOAD_ENABLE 0 -#define OVERLAY_OFFLOAD_DISABLE 1 - -#define OVERLAY_CFG_VXLAN_PORT_UPDATE 0 -#endif /* _VNIC_DEVCMD_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_enet.h b/lib/librte_pmd_enic/vnic/vnic_enet.h deleted file mode 100644 index 9d3cc07..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_enet.h +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_enet.h 175806 2014-06-04 19:31:17Z rfaucett $" - -#ifndef _VNIC_ENIC_H_ -#define _VNIC_ENIC_H_ - -/* Device-specific region: enet configuration */ -struct vnic_enet_config { - u32 flags; - u32 wq_desc_count; - u32 rq_desc_count; - u16 mtu; - u16 intr_timer_deprecated; - u8 intr_timer_type; - u8 intr_mode; - char devname[16]; - u32 intr_timer_usec; - u16 loop_tag; - u16 vf_rq_count; - u16 num_arfs; - u64 mem_paddr; -}; - -#define VENETF_TSO 0x1 /* TSO enabled */ -#define VENETF_LRO 0x2 /* LRO enabled */ -#define VENETF_RXCSUM 0x4 /* RX csum enabled */ -#define VENETF_TXCSUM 0x8 /* TX csum enabled */ -#define VENETF_RSS 0x10 /* RSS enabled */ -#define VENETF_RSSHASH_IPV4 0x20 /* Hash on IPv4 fields */ -#define VENETF_RSSHASH_TCPIPV4 0x40 /* Hash on TCP + IPv4 fields */ -#define VENETF_RSSHASH_IPV6 0x80 /* Hash on IPv6 fields */ -#define VENETF_RSSHASH_TCPIPV6 0x100 /* Hash on TCP + IPv6 fields */ -#define VENETF_RSSHASH_IPV6_EX 0x200 /* Hash on IPv6 extended fields */ -#define VENETF_RSSHASH_TCPIPV6_EX 0x400 /* Hash on TCP + IPv6 ext. fields */ -#define VENETF_LOOP 0x800 /* Loopback enabled */ -#define VENETF_VMQ 0x4000 /* using VMQ flag for VMware NETQ */ -#define VENETF_VXLAN 0x10000 /* VxLAN offload */ -#define VENETF_NVGRE 0x20000 /* NVGRE offload */ -#define VENET_INTR_TYPE_MIN 0 /* Timer specs min interrupt spacing */ -#define VENET_INTR_TYPE_IDLE 1 /* Timer specs idle time before irq */ - -#define VENET_INTR_MODE_ANY 0 /* Try MSI-X, then MSI, then INTx */ -#define VENET_INTR_MODE_MSI 1 /* Try MSI then INTx */ -#define VENET_INTR_MODE_INTX 2 /* Try INTx only */ - -#endif /* _VNIC_ENIC_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_intr.c b/lib/librte_pmd_enic/vnic/vnic_intr.c deleted file mode 100644 index 84368af..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_intr.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_intr.c 171146 2014-05-02 07:08:20Z ssujith $" - -#include "vnic_dev.h" -#include "vnic_intr.h" - -void vnic_intr_free(struct vnic_intr *intr) -{ - intr->ctrl = NULL; -} - -int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, - unsigned int index) -{ - intr->index = index; - intr->vdev = vdev; - - intr->ctrl = vnic_dev_get_res(vdev, RES_TYPE_INTR_CTRL, index); - if (!intr->ctrl) { - pr_err("Failed to hook INTR[%d].ctrl resource\n", index); - return -EINVAL; - } - - return 0; -} - -void vnic_intr_init(struct vnic_intr *intr, u32 coalescing_timer, - unsigned int coalescing_type, unsigned int mask_on_assertion) -{ - vnic_intr_coalescing_timer_set(intr, coalescing_timer); - iowrite32(coalescing_type, &intr->ctrl->coalescing_type); - iowrite32(mask_on_assertion, &intr->ctrl->mask_on_assertion); - iowrite32(0, &intr->ctrl->int_credits); -} - -void vnic_intr_coalescing_timer_set(struct vnic_intr *intr, - u32 coalescing_timer) -{ - iowrite32(vnic_dev_intr_coal_timer_usec_to_hw(intr->vdev, - coalescing_timer), &intr->ctrl->coalescing_timer); -} - -void vnic_intr_clean(struct vnic_intr *intr) -{ - iowrite32(0, &intr->ctrl->int_credits); -} diff --git a/lib/librte_pmd_enic/vnic/vnic_intr.h b/lib/librte_pmd_enic/vnic/vnic_intr.h deleted file mode 100644 index ecb82bf..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_intr.h +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_intr.h 171146 2014-05-02 07:08:20Z ssujith $" - -#ifndef _VNIC_INTR_H_ -#define _VNIC_INTR_H_ - - -#include "vnic_dev.h" - -#define VNIC_INTR_TIMER_TYPE_ABS 0 -#define VNIC_INTR_TIMER_TYPE_QUIET 1 - -/* Interrupt control */ -struct vnic_intr_ctrl { - u32 coalescing_timer; /* 0x00 */ - u32 pad0; - u32 coalescing_value; /* 0x08 */ - u32 pad1; - u32 coalescing_type; /* 0x10 */ - u32 pad2; - u32 mask_on_assertion; /* 0x18 */ - u32 pad3; - u32 mask; /* 0x20 */ - u32 pad4; - u32 int_credits; /* 0x28 */ - u32 pad5; - u32 int_credit_return; /* 0x30 */ - u32 pad6; -}; - -struct vnic_intr { - unsigned int index; - struct vnic_dev *vdev; - struct vnic_intr_ctrl __iomem *ctrl; /* memory-mapped */ -}; - -static inline void vnic_intr_unmask(struct vnic_intr *intr) -{ - iowrite32(0, &intr->ctrl->mask); -} - -static inline void vnic_intr_mask(struct vnic_intr *intr) -{ - iowrite32(1, &intr->ctrl->mask); -} - -static inline int vnic_intr_masked(struct vnic_intr *intr) -{ - return ioread32(&intr->ctrl->mask); -} - -static inline void vnic_intr_return_credits(struct vnic_intr *intr, - unsigned int credits, int unmask, int reset_timer) -{ -#define VNIC_INTR_UNMASK_SHIFT 16 -#define VNIC_INTR_RESET_TIMER_SHIFT 17 - - u32 int_credit_return = (credits & 0xffff) | - (unmask ? (1 << VNIC_INTR_UNMASK_SHIFT) : 0) | - (reset_timer ? (1 << VNIC_INTR_RESET_TIMER_SHIFT) : 0); - - iowrite32(int_credit_return, &intr->ctrl->int_credit_return); -} - -static inline unsigned int vnic_intr_credits(struct vnic_intr *intr) -{ - return ioread32(&intr->ctrl->int_credits); -} - -static inline void vnic_intr_return_all_credits(struct vnic_intr *intr) -{ - unsigned int credits = vnic_intr_credits(intr); - int unmask = 1; - int reset_timer = 1; - - vnic_intr_return_credits(intr, credits, unmask, reset_timer); -} - -static inline u32 vnic_intr_legacy_pba(u32 __iomem *legacy_pba) -{ - /* read PBA without clearing */ - return ioread32(legacy_pba); -} - -void vnic_intr_free(struct vnic_intr *intr); -int vnic_intr_alloc(struct vnic_dev *vdev, struct vnic_intr *intr, - unsigned int index); -void vnic_intr_init(struct vnic_intr *intr, u32 coalescing_timer, - unsigned int coalescing_type, unsigned int mask_on_assertion); -void vnic_intr_coalescing_timer_set(struct vnic_intr *intr, - u32 coalescing_timer); -void vnic_intr_clean(struct vnic_intr *intr); - -#endif /* _VNIC_INTR_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_nic.h b/lib/librte_pmd_enic/vnic/vnic_nic.h deleted file mode 100644 index 332cfb4..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_nic.h +++ /dev/null @@ -1,88 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_nic.h 59839 2010-09-27 20:36:31Z roprabhu $" - -#ifndef _VNIC_NIC_H_ -#define _VNIC_NIC_H_ - -#define NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD 0xffUL -#define NIC_CFG_RSS_DEFAULT_CPU_SHIFT 0 -#define NIC_CFG_RSS_HASH_TYPE (0xffUL << 8) -#define NIC_CFG_RSS_HASH_TYPE_MASK_FIELD 0xffUL -#define NIC_CFG_RSS_HASH_TYPE_SHIFT 8 -#define NIC_CFG_RSS_HASH_BITS (7UL << 16) -#define NIC_CFG_RSS_HASH_BITS_MASK_FIELD 7UL -#define NIC_CFG_RSS_HASH_BITS_SHIFT 16 -#define NIC_CFG_RSS_BASE_CPU (7UL << 19) -#define NIC_CFG_RSS_BASE_CPU_MASK_FIELD 7UL -#define NIC_CFG_RSS_BASE_CPU_SHIFT 19 -#define NIC_CFG_RSS_ENABLE (1UL << 22) -#define NIC_CFG_RSS_ENABLE_MASK_FIELD 1UL -#define NIC_CFG_RSS_ENABLE_SHIFT 22 -#define NIC_CFG_TSO_IPID_SPLIT_EN (1UL << 23) -#define NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD 1UL -#define NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT 23 -#define NIC_CFG_IG_VLAN_STRIP_EN (1UL << 24) -#define NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD 1UL -#define NIC_CFG_IG_VLAN_STRIP_EN_SHIFT 24 - -#define NIC_CFG_RSS_HASH_TYPE_IPV4 (1 << 1) -#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 (1 << 2) -#define NIC_CFG_RSS_HASH_TYPE_IPV6 (1 << 3) -#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6 (1 << 4) -#define NIC_CFG_RSS_HASH_TYPE_IPV6_EX (1 << 5) -#define NIC_CFG_RSS_HASH_TYPE_TCP_IPV6_EX (1 << 6) - -static inline void vnic_set_nic_cfg(u32 *nic_cfg, - u8 rss_default_cpu, u8 rss_hash_type, - u8 rss_hash_bits, u8 rss_base_cpu, - u8 rss_enable, u8 tso_ipid_split_en, - u8 ig_vlan_strip_en) -{ - *nic_cfg = (rss_default_cpu & NIC_CFG_RSS_DEFAULT_CPU_MASK_FIELD) | - ((rss_hash_type & NIC_CFG_RSS_HASH_TYPE_MASK_FIELD) - << NIC_CFG_RSS_HASH_TYPE_SHIFT) | - ((rss_hash_bits & NIC_CFG_RSS_HASH_BITS_MASK_FIELD) - << NIC_CFG_RSS_HASH_BITS_SHIFT) | - ((rss_base_cpu & NIC_CFG_RSS_BASE_CPU_MASK_FIELD) - << NIC_CFG_RSS_BASE_CPU_SHIFT) | - ((rss_enable & NIC_CFG_RSS_ENABLE_MASK_FIELD) - << NIC_CFG_RSS_ENABLE_SHIFT) | - ((tso_ipid_split_en & NIC_CFG_TSO_IPID_SPLIT_EN_MASK_FIELD) - << NIC_CFG_TSO_IPID_SPLIT_EN_SHIFT) | - ((ig_vlan_strip_en & NIC_CFG_IG_VLAN_STRIP_EN_MASK_FIELD) - << NIC_CFG_IG_VLAN_STRIP_EN_SHIFT); -} - -#endif /* _VNIC_NIC_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_resource.h b/lib/librte_pmd_enic/vnic/vnic_resource.h deleted file mode 100644 index 2512712..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_resource.h +++ /dev/null @@ -1,97 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_resource.h 196958 2014-11-04 18:23:37Z xuywang $" - -#ifndef _VNIC_RESOURCE_H_ -#define _VNIC_RESOURCE_H_ - -#define VNIC_RES_MAGIC 0x766E6963L /* 'vnic' */ -#define VNIC_RES_VERSION 0x00000000L -#define MGMTVNIC_MAGIC 0x544d474dL /* 'MGMT' */ -#define MGMTVNIC_VERSION 0x00000000L - -/* The MAC address assigned to the CFG vNIC is fixed. */ -#define MGMTVNIC_MAC { 0x02, 0x00, 0x54, 0x4d, 0x47, 0x4d } - -/* vNIC resource types */ -enum vnic_res_type { - RES_TYPE_EOL, /* End-of-list */ - RES_TYPE_WQ, /* Work queues */ - RES_TYPE_RQ, /* Receive queues */ - RES_TYPE_CQ, /* Completion queues */ - RES_TYPE_MEM, /* Window to dev memory */ - RES_TYPE_NIC_CFG, /* Enet NIC config registers */ - RES_TYPE_RSS_KEY, /* Enet RSS secret key */ - RES_TYPE_RSS_CPU, /* Enet RSS indirection table */ - RES_TYPE_TX_STATS, /* Netblock Tx statistic regs */ - RES_TYPE_RX_STATS, /* Netblock Rx statistic regs */ - RES_TYPE_INTR_CTRL, /* Interrupt ctrl table */ - RES_TYPE_INTR_TABLE, /* MSI/MSI-X Interrupt table */ - RES_TYPE_INTR_PBA, /* MSI/MSI-X PBA table */ - RES_TYPE_INTR_PBA_LEGACY, /* Legacy intr status */ - RES_TYPE_DEBUG, /* Debug-only info */ - RES_TYPE_DEV, /* Device-specific region */ - RES_TYPE_DEVCMD, /* Device command region */ - RES_TYPE_PASS_THRU_PAGE, /* Pass-thru page */ - RES_TYPE_SUBVNIC, /* subvnic resource type */ - RES_TYPE_MQ_WQ, /* MQ Work queues */ - RES_TYPE_MQ_RQ, /* MQ Receive queues */ - RES_TYPE_MQ_CQ, /* MQ Completion queues */ - RES_TYPE_DEPRECATED1, /* Old version of devcmd 2 */ - RES_TYPE_DEVCMD2, /* Device control region */ - RES_TYPE_MAX, /* Count of resource types */ -}; - -struct vnic_resource_header { - u32 magic; - u32 version; -}; - -struct mgmt_barmap_hdr { - u32 magic; /* magic number */ - u32 version; /* header format version */ - u16 lif; /* loopback lif for mgmt frames */ - u16 pci_slot; /* installed pci slot */ - char serial[16]; /* card serial number */ -}; - -struct vnic_resource { - u8 type; - u8 bar; - u8 pad[2]; - u32 bar_offset; - u32 count; -}; - -#endif /* _VNIC_RESOURCE_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_rq.c b/lib/librte_pmd_enic/vnic/vnic_rq.c deleted file mode 100644 index 3a4b65a..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_rq.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_rq.c 171146 2014-05-02 07:08:20Z ssujith $" - -#include "vnic_dev.h" -#include "vnic_rq.h" - -static int vnic_rq_alloc_bufs(struct vnic_rq *rq) -{ - struct vnic_rq_buf *buf; - unsigned int i, j, count = rq->ring.desc_count; - unsigned int blks = VNIC_RQ_BUF_BLKS_NEEDED(count); - - for (i = 0; i < blks; i++) { - rq->bufs[i] = kzalloc(VNIC_RQ_BUF_BLK_SZ(count), GFP_ATOMIC); - if (!rq->bufs[i]) - return -ENOMEM; - } - - for (i = 0; i < blks; i++) { - buf = rq->bufs[i]; - for (j = 0; j < VNIC_RQ_BUF_BLK_ENTRIES(count); j++) { - buf->index = i * VNIC_RQ_BUF_BLK_ENTRIES(count) + j; - buf->desc = (u8 *)rq->ring.descs + - rq->ring.desc_size * buf->index; - if (buf->index + 1 == count) { - buf->next = rq->bufs[0]; - break; - } else if (j + 1 == VNIC_RQ_BUF_BLK_ENTRIES(count)) { - buf->next = rq->bufs[i + 1]; - } else { - buf->next = buf + 1; - buf++; - } - } - } - - rq->to_use = rq->to_clean = rq->bufs[0]; - - return 0; -} - -int vnic_rq_mem_size(struct vnic_rq *rq, unsigned int desc_count, - unsigned int desc_size) -{ - int mem_size = 0; - - mem_size += vnic_dev_desc_ring_size(&rq->ring, desc_count, desc_size); - - mem_size += VNIC_RQ_BUF_BLKS_NEEDED(rq->ring.desc_count) * - VNIC_RQ_BUF_BLK_SZ(rq->ring.desc_count); - - return mem_size; -} - -void vnic_rq_free(struct vnic_rq *rq) -{ - struct vnic_dev *vdev; - unsigned int i; - - vdev = rq->vdev; - - vnic_dev_free_desc_ring(vdev, &rq->ring); - - for (i = 0; i < VNIC_RQ_BUF_BLKS_MAX; i++) { - if (rq->bufs[i]) { - kfree(rq->bufs[i]); - rq->bufs[i] = NULL; - } - } - - rq->ctrl = NULL; -} - -int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, - unsigned int desc_count, unsigned int desc_size) -{ - int err; - char res_name[NAME_MAX]; - static int instance; - - rq->index = index; - rq->vdev = vdev; - - rq->ctrl = vnic_dev_get_res(vdev, RES_TYPE_RQ, index); - if (!rq->ctrl) { - pr_err("Failed to hook RQ[%d] resource\n", index); - return -EINVAL; - } - - vnic_rq_disable(rq); - - snprintf(res_name, sizeof(res_name), "%d-rq-%d", instance++, index); - err = vnic_dev_alloc_desc_ring(vdev, &rq->ring, desc_count, desc_size, - rq->socket_id, res_name); - if (err) - return err; - - err = vnic_rq_alloc_bufs(rq); - if (err) { - vnic_rq_free(rq); - return err; - } - - return 0; -} - -void vnic_rq_init_start(struct vnic_rq *rq, unsigned int cq_index, - unsigned int fetch_index, unsigned int posted_index, - unsigned int error_interrupt_enable, - unsigned int error_interrupt_offset) -{ - u64 paddr; - unsigned int count = rq->ring.desc_count; - - paddr = (u64)rq->ring.base_addr | VNIC_PADDR_TARGET; - writeq(paddr, &rq->ctrl->ring_base); - iowrite32(count, &rq->ctrl->ring_size); - iowrite32(cq_index, &rq->ctrl->cq_index); - iowrite32(error_interrupt_enable, &rq->ctrl->error_interrupt_enable); - iowrite32(error_interrupt_offset, &rq->ctrl->error_interrupt_offset); - iowrite32(0, &rq->ctrl->dropped_packet_count); - iowrite32(0, &rq->ctrl->error_status); - iowrite32(fetch_index, &rq->ctrl->fetch_index); - iowrite32(posted_index, &rq->ctrl->posted_index); - - rq->to_use = rq->to_clean = - &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES(count)] - [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES(count)]; -} - -void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index, - unsigned int error_interrupt_enable, - unsigned int error_interrupt_offset) -{ - u32 fetch_index = 0; - /* Use current fetch_index as the ring starting point */ - fetch_index = ioread32(&rq->ctrl->fetch_index); - - if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */ - /* Hardware surprise removal: reset fetch_index */ - fetch_index = 0; - } - - vnic_rq_init_start(rq, cq_index, - fetch_index, fetch_index, - error_interrupt_enable, - error_interrupt_offset); -} - -void vnic_rq_error_out(struct vnic_rq *rq, unsigned int error) -{ - iowrite32(error, &rq->ctrl->error_status); -} - -unsigned int vnic_rq_error_status(struct vnic_rq *rq) -{ - return ioread32(&rq->ctrl->error_status); -} - -void vnic_rq_enable(struct vnic_rq *rq) -{ - iowrite32(1, &rq->ctrl->enable); -} - -int vnic_rq_disable(struct vnic_rq *rq) -{ - unsigned int wait; - - iowrite32(0, &rq->ctrl->enable); - - /* Wait for HW to ACK disable request */ - for (wait = 0; wait < 1000; wait++) { - if (!(ioread32(&rq->ctrl->running))) - return 0; - udelay(10); - } - - pr_err("Failed to disable RQ[%d]\n", rq->index); - - return -ETIMEDOUT; -} - -void vnic_rq_clean(struct vnic_rq *rq, - void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf)) -{ - struct vnic_rq_buf *buf; - u32 fetch_index; - unsigned int count = rq->ring.desc_count; - - buf = rq->to_clean; - - while (vnic_rq_desc_used(rq) > 0) { - - (*buf_clean)(rq, buf); - - buf = rq->to_clean = buf->next; - rq->ring.desc_avail++; - } - - /* Use current fetch_index as the ring starting point */ - fetch_index = ioread32(&rq->ctrl->fetch_index); - - if (fetch_index == 0xFFFFFFFF) { /* check for hardware gone */ - /* Hardware surprise removal: reset fetch_index */ - fetch_index = 0; - } - rq->to_use = rq->to_clean = - &rq->bufs[fetch_index / VNIC_RQ_BUF_BLK_ENTRIES(count)] - [fetch_index % VNIC_RQ_BUF_BLK_ENTRIES(count)]; - iowrite32(fetch_index, &rq->ctrl->posted_index); - - vnic_dev_clear_desc_ring(&rq->ring); -} diff --git a/lib/librte_pmd_enic/vnic/vnic_rq.h b/lib/librte_pmd_enic/vnic/vnic_rq.h deleted file mode 100644 index 54b6612..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_rq.h +++ /dev/null @@ -1,282 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_rq.h 180262 2014-07-02 07:57:43Z gvaradar $" - -#ifndef _VNIC_RQ_H_ -#define _VNIC_RQ_H_ - - -#include "vnic_dev.h" -#include "vnic_cq.h" - -/* Receive queue control */ -struct vnic_rq_ctrl { - u64 ring_base; /* 0x00 */ - u32 ring_size; /* 0x08 */ - u32 pad0; - u32 posted_index; /* 0x10 */ - u32 pad1; - u32 cq_index; /* 0x18 */ - u32 pad2; - u32 enable; /* 0x20 */ - u32 pad3; - u32 running; /* 0x28 */ - u32 pad4; - u32 fetch_index; /* 0x30 */ - u32 pad5; - u32 error_interrupt_enable; /* 0x38 */ - u32 pad6; - u32 error_interrupt_offset; /* 0x40 */ - u32 pad7; - u32 error_status; /* 0x48 */ - u32 pad8; - u32 dropped_packet_count; /* 0x50 */ - u32 pad9; - u32 dropped_packet_count_rc; /* 0x58 */ - u32 pad10; -}; - -/* Break the vnic_rq_buf allocations into blocks of 32/64 entries */ -#define VNIC_RQ_BUF_MIN_BLK_ENTRIES 32 -#define VNIC_RQ_BUF_DFLT_BLK_ENTRIES 64 -#define VNIC_RQ_BUF_BLK_ENTRIES(entries) \ - ((unsigned int)((entries < VNIC_RQ_BUF_DFLT_BLK_ENTRIES) ? \ - VNIC_RQ_BUF_MIN_BLK_ENTRIES : VNIC_RQ_BUF_DFLT_BLK_ENTRIES)) -#define VNIC_RQ_BUF_BLK_SZ(entries) \ - (VNIC_RQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_rq_buf)) -#define VNIC_RQ_BUF_BLKS_NEEDED(entries) \ - DIV_ROUND_UP(entries, VNIC_RQ_BUF_BLK_ENTRIES(entries)) -#define VNIC_RQ_BUF_BLKS_MAX VNIC_RQ_BUF_BLKS_NEEDED(4096) - -struct vnic_rq_buf { - struct vnic_rq_buf *next; - dma_addr_t dma_addr; - void *os_buf; - unsigned int os_buf_index; - unsigned int len; - unsigned int index; - void *desc; - uint64_t wr_id; -}; - -struct vnic_rq { - unsigned int index; - struct vnic_dev *vdev; - struct vnic_rq_ctrl __iomem *ctrl; /* memory-mapped */ - struct vnic_dev_ring ring; - struct vnic_rq_buf *bufs[VNIC_RQ_BUF_BLKS_MAX]; - struct vnic_rq_buf *to_use; - struct vnic_rq_buf *to_clean; - void *os_buf_head; - unsigned int pkts_outstanding; - - unsigned int socket_id; - struct rte_mempool *mp; -}; - -static inline unsigned int vnic_rq_desc_avail(struct vnic_rq *rq) -{ - /* how many does SW own? */ - return rq->ring.desc_avail; -} - -static inline unsigned int vnic_rq_desc_used(struct vnic_rq *rq) -{ - /* how many does HW own? */ - return rq->ring.desc_count - rq->ring.desc_avail - 1; -} - -static inline void *vnic_rq_next_desc(struct vnic_rq *rq) -{ - return rq->to_use->desc; -} - -static inline unsigned int vnic_rq_next_index(struct vnic_rq *rq) -{ - return rq->to_use->index; -} - -static inline void vnic_rq_post(struct vnic_rq *rq, - void *os_buf, unsigned int os_buf_index, - dma_addr_t dma_addr, unsigned int len, - uint64_t wrid) -{ - struct vnic_rq_buf *buf = rq->to_use; - - buf->os_buf = os_buf; - buf->os_buf_index = os_buf_index; - buf->dma_addr = dma_addr; - buf->len = len; - buf->wr_id = wrid; - - buf = buf->next; - rq->to_use = buf; - rq->ring.desc_avail--; - - /* Move the posted_index every nth descriptor - */ - -#ifndef VNIC_RQ_RETURN_RATE -#define VNIC_RQ_RETURN_RATE 0xf /* keep 2^n - 1 */ -#endif - - if ((buf->index & VNIC_RQ_RETURN_RATE) == 0) { - /* Adding write memory barrier prevents compiler and/or CPU - * reordering, thus avoiding descriptor posting before - * descriptor is initialized. Otherwise, hardware can read - * stale descriptor fields. - */ - wmb(); - iowrite32(buf->index, &rq->ctrl->posted_index); - } -} - -static inline void vnic_rq_post_commit(struct vnic_rq *rq, - void *os_buf, unsigned int os_buf_index, - dma_addr_t dma_addr, unsigned int len) -{ - struct vnic_rq_buf *buf = rq->to_use; - - buf->os_buf = os_buf; - buf->os_buf_index = os_buf_index; - buf->dma_addr = dma_addr; - buf->len = len; - - buf = buf->next; - rq->to_use = buf; - rq->ring.desc_avail--; - - /* Move the posted_index every descriptor - */ - - /* Adding write memory barrier prevents compiler and/or CPU - * reordering, thus avoiding descriptor posting before - * descriptor is initialized. Otherwise, hardware can read - * stale descriptor fields. - */ - wmb(); - iowrite32(buf->index, &rq->ctrl->posted_index); -} - -static inline void vnic_rq_return_descs(struct vnic_rq *rq, unsigned int count) -{ - rq->ring.desc_avail += count; -} - -enum desc_return_options { - VNIC_RQ_RETURN_DESC, - VNIC_RQ_DEFER_RETURN_DESC, -}; - -static inline int vnic_rq_service(struct vnic_rq *rq, - struct cq_desc *cq_desc, u16 completed_index, - int desc_return, int (*buf_service)(struct vnic_rq *rq, - struct cq_desc *cq_desc, struct vnic_rq_buf *buf, - int skipped, void *opaque), void *opaque) -{ - struct vnic_rq_buf *buf; - int skipped; - int eop = 0; - - buf = rq->to_clean; - while (1) { - - skipped = (buf->index != completed_index); - - if ((*buf_service)(rq, cq_desc, buf, skipped, opaque)) - eop++; - - if (desc_return == VNIC_RQ_RETURN_DESC) - rq->ring.desc_avail++; - - rq->to_clean = buf->next; - - if (!skipped) - break; - - buf = rq->to_clean; - } - return eop; -} - -static inline int vnic_rq_fill(struct vnic_rq *rq, - int (*buf_fill)(struct vnic_rq *rq)) -{ - int err; - - while (vnic_rq_desc_avail(rq) > 0) { - - err = (*buf_fill)(rq); - if (err) - return err; - } - - return 0; -} - -static inline int vnic_rq_fill_count(struct vnic_rq *rq, - int (*buf_fill)(struct vnic_rq *rq), unsigned int count) -{ - int err; - - while ((vnic_rq_desc_avail(rq) > 0) && (count--)) { - - err = (*buf_fill)(rq); - if (err) - return err; - } - - return 0; -} - -void vnic_rq_free(struct vnic_rq *rq); -int vnic_rq_alloc(struct vnic_dev *vdev, struct vnic_rq *rq, unsigned int index, - unsigned int desc_count, unsigned int desc_size); -void vnic_rq_init_start(struct vnic_rq *rq, unsigned int cq_index, - unsigned int fetch_index, unsigned int posted_index, - unsigned int error_interrupt_enable, - unsigned int error_interrupt_offset); -void vnic_rq_init(struct vnic_rq *rq, unsigned int cq_index, - unsigned int error_interrupt_enable, - unsigned int error_interrupt_offset); -void vnic_rq_error_out(struct vnic_rq *rq, unsigned int error); -unsigned int vnic_rq_error_status(struct vnic_rq *rq); -void vnic_rq_enable(struct vnic_rq *rq); -int vnic_rq_disable(struct vnic_rq *rq); -void vnic_rq_clean(struct vnic_rq *rq, - void (*buf_clean)(struct vnic_rq *rq, struct vnic_rq_buf *buf)); -int vnic_rq_mem_size(struct vnic_rq *rq, unsigned int desc_count, - unsigned int desc_size); - -#endif /* _VNIC_RQ_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_rss.c b/lib/librte_pmd_enic/vnic/vnic_rss.c deleted file mode 100644 index 5ff76b1..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_rss.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Copyright 2008 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id$" - -#include "enic_compat.h" -#include "vnic_rss.h" - -void vnic_set_rss_key(union vnic_rss_key *rss_key, u8 *key) -{ - u32 i; - u32 *p; - u16 *q; - - for (i = 0; i < 4; ++i) { - p = (u32 *)(key + (10 * i)); - iowrite32(*p++, &rss_key->key[i].b[0]); - iowrite32(*p++, &rss_key->key[i].b[4]); - q = (u16 *)p; - iowrite32(*q, &rss_key->key[i].b[8]); - } -} - -void vnic_set_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu) -{ - u32 i; - u32 *p = (u32 *)cpu; - - for (i = 0; i < 32; ++i) - iowrite32(*p++, &rss_cpu->cpu[i].b[0]); -} - -void vnic_get_rss_key(union vnic_rss_key *rss_key, u8 *key) -{ - u32 i; - u32 *p; - u16 *q; - - for (i = 0; i < 4; ++i) { - p = (u32 *)(key + (10 * i)); - *p++ = ioread32(&rss_key->key[i].b[0]); - *p++ = ioread32(&rss_key->key[i].b[4]); - q = (u16 *)p; - *q = (u16)ioread32(&rss_key->key[i].b[8]); - } -} - -void vnic_get_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu) -{ - u32 i; - u32 *p = (u32 *)cpu; - - for (i = 0; i < 32; ++i) - *p++ = ioread32(&rss_cpu->cpu[i].b[0]); -} diff --git a/lib/librte_pmd_enic/vnic/vnic_rss.h b/lib/librte_pmd_enic/vnic/vnic_rss.h deleted file mode 100644 index 45ed3d2..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_rss.h +++ /dev/null @@ -1,61 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -#ident "$Id: vnic_rss.h 64224 2010-11-09 19:43:13Z vkolluri $" - -#ifndef _VNIC_RSS_H_ -#define _VNIC_RSS_H_ - -/* RSS key array */ -union vnic_rss_key { - struct { - u8 b[10]; - u8 b_pad[6]; - } key[4]; - u64 raw[8]; -}; - -/* RSS cpu array */ -union vnic_rss_cpu { - struct { - u8 b[4]; - u8 b_pad[4]; - } cpu[32]; - u64 raw[32]; -}; - -void vnic_set_rss_key(union vnic_rss_key *rss_key, u8 *key); -void vnic_set_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu); -void vnic_get_rss_key(union vnic_rss_key *rss_key, u8 *key); -void vnic_get_rss_cpu(union vnic_rss_cpu *rss_cpu, u8 *cpu); - -#endif /* _VNIC_RSS_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_stats.h b/lib/librte_pmd_enic/vnic/vnic_stats.h deleted file mode 100644 index ac5aa72..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_stats.h +++ /dev/null @@ -1,86 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_stats.h 84040 2011-08-09 23:38:43Z dwang2 $" - -#ifndef _VNIC_STATS_H_ -#define _VNIC_STATS_H_ - -/* Tx statistics */ -struct vnic_tx_stats { - u64 tx_frames_ok; - u64 tx_unicast_frames_ok; - u64 tx_multicast_frames_ok; - u64 tx_broadcast_frames_ok; - u64 tx_bytes_ok; - u64 tx_unicast_bytes_ok; - u64 tx_multicast_bytes_ok; - u64 tx_broadcast_bytes_ok; - u64 tx_drops; - u64 tx_errors; - u64 tx_tso; - u64 rsvd[16]; -}; - -/* Rx statistics */ -struct vnic_rx_stats { - u64 rx_frames_ok; - u64 rx_frames_total; - u64 rx_unicast_frames_ok; - u64 rx_multicast_frames_ok; - u64 rx_broadcast_frames_ok; - u64 rx_bytes_ok; - u64 rx_unicast_bytes_ok; - u64 rx_multicast_bytes_ok; - u64 rx_broadcast_bytes_ok; - u64 rx_drop; - u64 rx_no_bufs; - u64 rx_errors; - u64 rx_rss; - u64 rx_crc_errors; - u64 rx_frames_64; - u64 rx_frames_127; - u64 rx_frames_255; - u64 rx_frames_511; - u64 rx_frames_1023; - u64 rx_frames_1518; - u64 rx_frames_to_max; - u64 rsvd[16]; -}; - -struct vnic_stats { - struct vnic_tx_stats tx; - struct vnic_rx_stats rx; -}; - -#endif /* _VNIC_STATS_H_ */ diff --git a/lib/librte_pmd_enic/vnic/vnic_wq.c b/lib/librte_pmd_enic/vnic/vnic_wq.c deleted file mode 100644 index e52cef0..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_wq.c +++ /dev/null @@ -1,245 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_wq.c 183023 2014-07-22 23:47:25Z xuywang $" - -#include "vnic_dev.h" -#include "vnic_wq.h" - -static inline -int vnic_wq_get_ctrl(struct vnic_dev *vdev, struct vnic_wq *wq, - unsigned int index, enum vnic_res_type res_type) -{ - wq->ctrl = vnic_dev_get_res(vdev, res_type, index); - if (!wq->ctrl) - return -EINVAL; - return 0; -} - -static inline -int vnic_wq_alloc_ring(struct vnic_dev *vdev, struct vnic_wq *wq, - unsigned int desc_count, unsigned int desc_size) -{ - char res_name[NAME_MAX]; - static int instance; - - snprintf(res_name, sizeof(res_name), "%d-wq-%d", instance++, wq->index); - return vnic_dev_alloc_desc_ring(vdev, &wq->ring, desc_count, desc_size, - wq->socket_id, res_name); -} - -static int vnic_wq_alloc_bufs(struct vnic_wq *wq) -{ - struct vnic_wq_buf *buf; - unsigned int i, j, count = wq->ring.desc_count; - unsigned int blks = VNIC_WQ_BUF_BLKS_NEEDED(count); - - for (i = 0; i < blks; i++) { - wq->bufs[i] = kzalloc(VNIC_WQ_BUF_BLK_SZ(count), GFP_ATOMIC); - if (!wq->bufs[i]) - return -ENOMEM; - } - - for (i = 0; i < blks; i++) { - buf = wq->bufs[i]; - for (j = 0; j < VNIC_WQ_BUF_BLK_ENTRIES(count); j++) { - buf->index = i * VNIC_WQ_BUF_BLK_ENTRIES(count) + j; - buf->desc = (u8 *)wq->ring.descs + - wq->ring.desc_size * buf->index; - if (buf->index + 1 == count) { - buf->next = wq->bufs[0]; - break; - } else if (j + 1 == VNIC_WQ_BUF_BLK_ENTRIES(count)) { - buf->next = wq->bufs[i + 1]; - } else { - buf->next = buf + 1; - buf++; - } - } - } - - wq->to_use = wq->to_clean = wq->bufs[0]; - - return 0; -} - -void vnic_wq_free(struct vnic_wq *wq) -{ - struct vnic_dev *vdev; - unsigned int i; - - vdev = wq->vdev; - - vnic_dev_free_desc_ring(vdev, &wq->ring); - - for (i = 0; i < VNIC_WQ_BUF_BLKS_MAX; i++) { - if (wq->bufs[i]) { - kfree(wq->bufs[i]); - wq->bufs[i] = NULL; - } - } - - wq->ctrl = NULL; -} - -int vnic_wq_mem_size(struct vnic_wq *wq, unsigned int desc_count, - unsigned int desc_size) -{ - int mem_size = 0; - - mem_size += vnic_dev_desc_ring_size(&wq->ring, desc_count, desc_size); - - mem_size += VNIC_WQ_BUF_BLKS_NEEDED(wq->ring.desc_count) * - VNIC_WQ_BUF_BLK_SZ(wq->ring.desc_count); - - return mem_size; -} - - -int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, - unsigned int desc_count, unsigned int desc_size) -{ - int err; - - wq->index = index; - wq->vdev = vdev; - - err = vnic_wq_get_ctrl(vdev, wq, index, RES_TYPE_WQ); - if (err) { - pr_err("Failed to hook WQ[%d] resource, err %d\n", index, err); - return err; - } - - vnic_wq_disable(wq); - - err = vnic_wq_alloc_ring(vdev, wq, desc_count, desc_size); - if (err) - return err; - - err = vnic_wq_alloc_bufs(wq); - if (err) { - vnic_wq_free(wq); - return err; - } - - return 0; -} - -void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index, - unsigned int fetch_index, unsigned int posted_index, - unsigned int error_interrupt_enable, - unsigned int error_interrupt_offset) -{ - u64 paddr; - unsigned int count = wq->ring.desc_count; - - paddr = (u64)wq->ring.base_addr | VNIC_PADDR_TARGET; - writeq(paddr, &wq->ctrl->ring_base); - iowrite32(count, &wq->ctrl->ring_size); - iowrite32(fetch_index, &wq->ctrl->fetch_index); - iowrite32(posted_index, &wq->ctrl->posted_index); - iowrite32(cq_index, &wq->ctrl->cq_index); - iowrite32(error_interrupt_enable, &wq->ctrl->error_interrupt_enable); - iowrite32(error_interrupt_offset, &wq->ctrl->error_interrupt_offset); - iowrite32(0, &wq->ctrl->error_status); - - wq->to_use = wq->to_clean = - &wq->bufs[fetch_index / VNIC_WQ_BUF_BLK_ENTRIES(count)] - [fetch_index % VNIC_WQ_BUF_BLK_ENTRIES(count)]; -} - -void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, - unsigned int error_interrupt_enable, - unsigned int error_interrupt_offset) -{ - vnic_wq_init_start(wq, cq_index, 0, 0, - error_interrupt_enable, - error_interrupt_offset); -} - -void vnic_wq_error_out(struct vnic_wq *wq, unsigned int error) -{ - iowrite32(error, &wq->ctrl->error_status); -} - -unsigned int vnic_wq_error_status(struct vnic_wq *wq) -{ - return ioread32(&wq->ctrl->error_status); -} - -void vnic_wq_enable(struct vnic_wq *wq) -{ - iowrite32(1, &wq->ctrl->enable); -} - -int vnic_wq_disable(struct vnic_wq *wq) -{ - unsigned int wait; - - iowrite32(0, &wq->ctrl->enable); - - /* Wait for HW to ACK disable request */ - for (wait = 0; wait < 1000; wait++) { - if (!(ioread32(&wq->ctrl->running))) - return 0; - udelay(10); - } - - pr_err("Failed to disable WQ[%d]\n", wq->index); - - return -ETIMEDOUT; -} - -void vnic_wq_clean(struct vnic_wq *wq, - void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)) -{ - struct vnic_wq_buf *buf; - - buf = wq->to_clean; - - while (vnic_wq_desc_used(wq) > 0) { - - (*buf_clean)(wq, buf); - - buf = wq->to_clean = buf->next; - wq->ring.desc_avail++; - } - - wq->to_use = wq->to_clean = wq->bufs[0]; - - iowrite32(0, &wq->ctrl->fetch_index); - iowrite32(0, &wq->ctrl->posted_index); - iowrite32(0, &wq->ctrl->error_status); - - vnic_dev_clear_desc_ring(&wq->ring); -} diff --git a/lib/librte_pmd_enic/vnic/vnic_wq.h b/lib/librte_pmd_enic/vnic/vnic_wq.h deleted file mode 100644 index f8219ad..0000000 --- a/lib/librte_pmd_enic/vnic/vnic_wq.h +++ /dev/null @@ -1,283 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: vnic_wq.h 183023 2014-07-22 23:47:25Z xuywang $" - -#ifndef _VNIC_WQ_H_ -#define _VNIC_WQ_H_ - - -#include "vnic_dev.h" -#include "vnic_cq.h" - -/* Work queue control */ -struct vnic_wq_ctrl { - u64 ring_base; /* 0x00 */ - u32 ring_size; /* 0x08 */ - u32 pad0; - u32 posted_index; /* 0x10 */ - u32 pad1; - u32 cq_index; /* 0x18 */ - u32 pad2; - u32 enable; /* 0x20 */ - u32 pad3; - u32 running; /* 0x28 */ - u32 pad4; - u32 fetch_index; /* 0x30 */ - u32 pad5; - u32 dca_value; /* 0x38 */ - u32 pad6; - u32 error_interrupt_enable; /* 0x40 */ - u32 pad7; - u32 error_interrupt_offset; /* 0x48 */ - u32 pad8; - u32 error_status; /* 0x50 */ - u32 pad9; -}; - -struct vnic_wq_buf { - struct vnic_wq_buf *next; - dma_addr_t dma_addr; - void *os_buf; - unsigned int len; - unsigned int index; - int sop; - void *desc; - uint64_t wr_id; /* Cookie */ - uint8_t cq_entry; /* Gets completion event from hw */ - uint8_t desc_skip_cnt; /* Num descs to occupy */ - uint8_t compressed_send; /* Both hdr and payload in one desc */ -}; - -/* Break the vnic_wq_buf allocations into blocks of 32/64 entries */ -#define VNIC_WQ_BUF_MIN_BLK_ENTRIES 32 -#define VNIC_WQ_BUF_DFLT_BLK_ENTRIES 64 -#define VNIC_WQ_BUF_BLK_ENTRIES(entries) \ - ((unsigned int)((entries < VNIC_WQ_BUF_DFLT_BLK_ENTRIES) ? \ - VNIC_WQ_BUF_MIN_BLK_ENTRIES : VNIC_WQ_BUF_DFLT_BLK_ENTRIES)) -#define VNIC_WQ_BUF_BLK_SZ(entries) \ - (VNIC_WQ_BUF_BLK_ENTRIES(entries) * sizeof(struct vnic_wq_buf)) -#define VNIC_WQ_BUF_BLKS_NEEDED(entries) \ - DIV_ROUND_UP(entries, VNIC_WQ_BUF_BLK_ENTRIES(entries)) -#define VNIC_WQ_BUF_BLKS_MAX VNIC_WQ_BUF_BLKS_NEEDED(4096) - -struct vnic_wq { - unsigned int index; - struct vnic_dev *vdev; - struct vnic_wq_ctrl __iomem *ctrl; /* memory-mapped */ - struct vnic_dev_ring ring; - struct vnic_wq_buf *bufs[VNIC_WQ_BUF_BLKS_MAX]; - struct vnic_wq_buf *to_use; - struct vnic_wq_buf *to_clean; - unsigned int pkts_outstanding; - unsigned int socket_id; -}; - -static inline unsigned int vnic_wq_desc_avail(struct vnic_wq *wq) -{ - /* how many does SW own? */ - return wq->ring.desc_avail; -} - -static inline unsigned int vnic_wq_desc_used(struct vnic_wq *wq) -{ - /* how many does HW own? */ - return wq->ring.desc_count - wq->ring.desc_avail - 1; -} - -static inline void *vnic_wq_next_desc(struct vnic_wq *wq) -{ - return wq->to_use->desc; -} - -#define PI_LOG2_CACHE_LINE_SIZE 5 -#define PI_INDEX_BITS 12 -#define PI_INDEX_MASK ((1U << PI_INDEX_BITS) - 1) -#define PI_PREFETCH_LEN_MASK ((1U << PI_LOG2_CACHE_LINE_SIZE) - 1) -#define PI_PREFETCH_LEN_OFF 16 -#define PI_PREFETCH_ADDR_BITS 43 -#define PI_PREFETCH_ADDR_MASK ((1ULL << PI_PREFETCH_ADDR_BITS) - 1) -#define PI_PREFETCH_ADDR_OFF 21 - -/** How many cache lines are touched by buffer (addr, len). */ -static inline unsigned int num_cache_lines_touched(dma_addr_t addr, - unsigned int len) -{ - const unsigned long mask = PI_PREFETCH_LEN_MASK; - const unsigned long laddr = (unsigned long)addr; - unsigned long lines, equiv_len; - /* A. If addr is aligned, our solution is just to round up len to the - next boundary. - - e.g. addr = 0, len = 48 - +--------------------+ - |XXXXXXXXXXXXXXXXXXXX| 32-byte cacheline a - +--------------------+ - |XXXXXXXXXX | cacheline b - +--------------------+ - - B. If addr is not aligned, however, we may use an extra - cacheline. e.g. addr = 12, len = 22 - - +--------------------+ - | XXXXXXXXXXXXX| - +--------------------+ - |XX | - +--------------------+ - - Our solution is to make the problem equivalent to case A - above by adding the empty space in the first cacheline to the length: - unsigned long len; - - +--------------------+ - |eeeeeeeXXXXXXXXXXXXX| "e" is empty space, which we add to len - +--------------------+ - |XX | - +--------------------+ - - */ - equiv_len = len + (laddr & mask); - - /* Now we can just round up this len to the next 32-byte boundary. */ - lines = (equiv_len + mask) & (~mask); - - /* Scale bytes -> cachelines. */ - return lines >> PI_LOG2_CACHE_LINE_SIZE; -} - -static inline u64 vnic_cached_posted_index(dma_addr_t addr, unsigned int len, - unsigned int index) -{ - unsigned int num_cache_lines = num_cache_lines_touched(addr, len); - /* Wish we could avoid a branch here. We could have separate - * vnic_wq_post() and vinc_wq_post_inline(), the latter - * only supporting < 1k (2^5 * 2^5) sends, I suppose. This would - * eliminate the if (eop) branch as well. - */ - if (num_cache_lines > PI_PREFETCH_LEN_MASK) - num_cache_lines = 0; - return (index & PI_INDEX_MASK) | - ((num_cache_lines & PI_PREFETCH_LEN_MASK) << PI_PREFETCH_LEN_OFF) | - (((addr >> PI_LOG2_CACHE_LINE_SIZE) & - PI_PREFETCH_ADDR_MASK) << PI_PREFETCH_ADDR_OFF); -} - -static inline void vnic_wq_post(struct vnic_wq *wq, - void *os_buf, dma_addr_t dma_addr, - unsigned int len, int sop, int eop, - uint8_t desc_skip_cnt, uint8_t cq_entry, - uint8_t compressed_send, uint64_t wrid) -{ - struct vnic_wq_buf *buf = wq->to_use; - - buf->sop = sop; - buf->cq_entry = cq_entry; - buf->compressed_send = compressed_send; - buf->desc_skip_cnt = desc_skip_cnt; - buf->os_buf = os_buf; - buf->dma_addr = dma_addr; - buf->len = len; - buf->wr_id = wrid; - - buf = buf->next; - if (eop) { -#ifdef DO_PREFETCH - uint64_t wr = vnic_cached_posted_index(dma_addr, len, - buf->index); -#endif - /* Adding write memory barrier prevents compiler and/or CPU - * reordering, thus avoiding descriptor posting before - * descriptor is initialized. Otherwise, hardware can read - * stale descriptor fields. - */ - wmb(); -#ifdef DO_PREFETCH - /* Intel chipsets seem to limit the rate of PIOs that we can - * push on the bus. Thus, it is very important to do a single - * 64 bit write here. With two 32-bit writes, my maximum - * pkt/sec rate was cut almost in half. -AJF - */ - iowrite64((uint64_t)wr, &wq->ctrl->posted_index); -#else - iowrite32(buf->index, &wq->ctrl->posted_index); -#endif - } - wq->to_use = buf; - - wq->ring.desc_avail -= desc_skip_cnt; -} - -static inline void vnic_wq_service(struct vnic_wq *wq, - struct cq_desc *cq_desc, u16 completed_index, - void (*buf_service)(struct vnic_wq *wq, - struct cq_desc *cq_desc, struct vnic_wq_buf *buf, void *opaque), - void *opaque) -{ - struct vnic_wq_buf *buf; - - buf = wq->to_clean; - while (1) { - - (*buf_service)(wq, cq_desc, buf, opaque); - - wq->ring.desc_avail++; - - wq->to_clean = buf->next; - - if (buf->index == completed_index) - break; - - buf = wq->to_clean; - } -} - -void vnic_wq_free(struct vnic_wq *wq); -int vnic_wq_alloc(struct vnic_dev *vdev, struct vnic_wq *wq, unsigned int index, - unsigned int desc_count, unsigned int desc_size); -void vnic_wq_init_start(struct vnic_wq *wq, unsigned int cq_index, - unsigned int fetch_index, unsigned int posted_index, - unsigned int error_interrupt_enable, - unsigned int error_interrupt_offset); -void vnic_wq_init(struct vnic_wq *wq, unsigned int cq_index, - unsigned int error_interrupt_enable, - unsigned int error_interrupt_offset); -void vnic_wq_error_out(struct vnic_wq *wq, unsigned int error); -unsigned int vnic_wq_error_status(struct vnic_wq *wq); -void vnic_wq_enable(struct vnic_wq *wq); -int vnic_wq_disable(struct vnic_wq *wq); -void vnic_wq_clean(struct vnic_wq *wq, - void (*buf_clean)(struct vnic_wq *wq, struct vnic_wq_buf *buf)); -int vnic_wq_mem_size(struct vnic_wq *wq, unsigned int desc_count, - unsigned int desc_size); - -#endif /* _VNIC_WQ_H_ */ diff --git a/lib/librte_pmd_enic/vnic/wq_enet_desc.h b/lib/librte_pmd_enic/vnic/wq_enet_desc.h deleted file mode 100644 index ff2b768..0000000 --- a/lib/librte_pmd_enic/vnic/wq_enet_desc.h +++ /dev/null @@ -1,114 +0,0 @@ -/* - * Copyright 2008-2010 Cisco Systems, Inc. All rights reserved. - * Copyright 2007 Nuova Systems, Inc. All rights reserved. - * - * Copyright (c) 2014, Cisco Systems, Inc. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - * - */ -#ident "$Id: wq_enet_desc.h 59839 2010-09-27 20:36:31Z roprabhu $" - -#ifndef _WQ_ENET_DESC_H_ -#define _WQ_ENET_DESC_H_ - -/* Ethernet work queue descriptor: 16B */ -struct wq_enet_desc { - __le64 address; - __le16 length; - __le16 mss_loopback; - __le16 header_length_flags; - __le16 vlan_tag; -}; - -#define WQ_ENET_ADDR_BITS 64 -#define WQ_ENET_LEN_BITS 14 -#define WQ_ENET_LEN_MASK ((1 << WQ_ENET_LEN_BITS) - 1) -#define WQ_ENET_MSS_BITS 14 -#define WQ_ENET_MSS_MASK ((1 << WQ_ENET_MSS_BITS) - 1) -#define WQ_ENET_MSS_SHIFT 2 -#define WQ_ENET_LOOPBACK_SHIFT 1 -#define WQ_ENET_HDRLEN_BITS 10 -#define WQ_ENET_HDRLEN_MASK ((1 << WQ_ENET_HDRLEN_BITS) - 1) -#define WQ_ENET_FLAGS_OM_BITS 2 -#define WQ_ENET_FLAGS_OM_MASK ((1 << WQ_ENET_FLAGS_OM_BITS) - 1) -#define WQ_ENET_FLAGS_EOP_SHIFT 12 -#define WQ_ENET_FLAGS_CQ_ENTRY_SHIFT 13 -#define WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT 14 -#define WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT 15 - -#define WQ_ENET_OFFLOAD_MODE_CSUM 0 -#define WQ_ENET_OFFLOAD_MODE_RESERVED 1 -#define WQ_ENET_OFFLOAD_MODE_CSUM_L4 2 -#define WQ_ENET_OFFLOAD_MODE_TSO 3 - -static inline void wq_enet_desc_enc(struct wq_enet_desc *desc, - u64 address, u16 length, u16 mss, u16 header_length, - u8 offload_mode, u8 eop, u8 cq_entry, u8 fcoe_encap, - u8 vlan_tag_insert, u16 vlan_tag, u8 loopback) -{ - desc->address = cpu_to_le64(address); - desc->length = cpu_to_le16(length & WQ_ENET_LEN_MASK); - desc->mss_loopback = cpu_to_le16((mss & WQ_ENET_MSS_MASK) << - WQ_ENET_MSS_SHIFT | (loopback & 1) << WQ_ENET_LOOPBACK_SHIFT); - desc->header_length_flags = cpu_to_le16( - (header_length & WQ_ENET_HDRLEN_MASK) | - (offload_mode & WQ_ENET_FLAGS_OM_MASK) << WQ_ENET_HDRLEN_BITS | - (eop & 1) << WQ_ENET_FLAGS_EOP_SHIFT | - (cq_entry & 1) << WQ_ENET_FLAGS_CQ_ENTRY_SHIFT | - (fcoe_encap & 1) << WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT | - (vlan_tag_insert & 1) << WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT); - desc->vlan_tag = cpu_to_le16(vlan_tag); -} - -static inline void wq_enet_desc_dec(struct wq_enet_desc *desc, - u64 *address, u16 *length, u16 *mss, u16 *header_length, - u8 *offload_mode, u8 *eop, u8 *cq_entry, u8 *fcoe_encap, - u8 *vlan_tag_insert, u16 *vlan_tag, u8 *loopback) -{ - *address = le64_to_cpu(desc->address); - *length = le16_to_cpu(desc->length) & WQ_ENET_LEN_MASK; - *mss = (le16_to_cpu(desc->mss_loopback) >> WQ_ENET_MSS_SHIFT) & - WQ_ENET_MSS_MASK; - *loopback = (u8)((le16_to_cpu(desc->mss_loopback) >> - WQ_ENET_LOOPBACK_SHIFT) & 1); - *header_length = le16_to_cpu(desc->header_length_flags) & - WQ_ENET_HDRLEN_MASK; - *offload_mode = (u8)((le16_to_cpu(desc->header_length_flags) >> - WQ_ENET_HDRLEN_BITS) & WQ_ENET_FLAGS_OM_MASK); - *eop = (u8)((le16_to_cpu(desc->header_length_flags) >> - WQ_ENET_FLAGS_EOP_SHIFT) & 1); - *cq_entry = (u8)((le16_to_cpu(desc->header_length_flags) >> - WQ_ENET_FLAGS_CQ_ENTRY_SHIFT) & 1); - *fcoe_encap = (u8)((le16_to_cpu(desc->header_length_flags) >> - WQ_ENET_FLAGS_FCOE_ENCAP_SHIFT) & 1); - *vlan_tag_insert = (u8)((le16_to_cpu(desc->header_length_flags) >> - WQ_ENET_FLAGS_VLAN_TAG_INSERT_SHIFT) & 1); - *vlan_tag = le16_to_cpu(desc->vlan_tag); -} - -#endif /* _WQ_ENET_DESC_H_ */ -- 2.1.0