From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-gw3-out.broadcom.com (mail-gw3-out.broadcom.com [216.31.210.64]) by dpdk.org (Postfix) with ESMTP id 140F2ADBA for ; Sat, 14 May 2016 00:50:57 +0200 (CEST) X-IronPort-AV: E=Sophos;i="5.24,615,1455004800"; d="scan'208";a="94817316" Received: from mail-irv-18.broadcom.com ([10.15.198.37]) by mail-gw3-out.broadcom.com with ESMTP; 13 May 2016 16:06:18 -0700 Received: from mail-irva-12.broadcom.com (mail-irva-12.broadcom.com [10.11.16.101]) by mail-irv-18.broadcom.com (Postfix) with ESMTP id C7AFF82023 for ; Fri, 13 May 2016 15:50:57 -0700 (PDT) Received: from DPDK-C1.broadcom.com (dhcp-10-13-115-104.irv.broadcom.com [10.13.115.104]) by mail-irva-12.broadcom.com (Postfix) with ESMTP id F3DEB13DA7E for ; Fri, 13 May 2016 15:47:03 -0700 (PDT) From: Stephen Hurd To: dev@dpdk.org Date: Fri, 13 May 2016 15:45:56 -0700 Message-Id: <1463179589-82681-7-git-send-email-stephen.hurd@broadcom.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1463179589-82681-1-git-send-email-stephen.hurd@broadcom.com> References: <1463179589-82681-1-git-send-email-stephen.hurd@broadcom.com> Subject: [dpdk-dev] [PATCH v2 07/40] bnxt: declare ring structs and free() func 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: Fri, 13 May 2016 22:50:58 -0000 Declare ring structures and a ring free() function. Signed-off-by: Stephen Hurd Reviewed-by: Ajit Kumar Khaparde --- drivers/net/bnxt/Makefile | 1 + drivers/net/bnxt/bnxt_ring.c | 51 ++++++++++++++++++++++++ drivers/net/bnxt/bnxt_ring.h | 92 ++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 144 insertions(+) create mode 100644 drivers/net/bnxt/bnxt_ring.c create mode 100644 drivers/net/bnxt/bnxt_ring.h diff --git a/drivers/net/bnxt/Makefile b/drivers/net/bnxt/Makefile index c57afaa..757ea62 100644 --- a/drivers/net/bnxt/Makefile +++ b/drivers/net/bnxt/Makefile @@ -50,6 +50,7 @@ EXPORT_MAP := rte_pmd_bnxt_version.map # SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_ethdev.c SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_hwrm.c +SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_ring.c SRCS-$(CONFIG_RTE_LIBRTE_BNXT_PMD) += bnxt_vnic.c # diff --git a/drivers/net/bnxt/bnxt_ring.c b/drivers/net/bnxt/bnxt_ring.c new file mode 100644 index 0000000..0434b07 --- /dev/null +++ b/drivers/net/bnxt/bnxt_ring.c @@ -0,0 +1,51 @@ +/*- + * BSD LICENSE + * + * Copyright(c) Broadcom Limited. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Broadcom Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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 + * OWNER 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 "bnxt.h" +#include "bnxt_ring.h" + +/* + * Generic ring handling + */ + +void bnxt_free_ring(struct bnxt_ring_struct *ring) +{ + /* The actual ring is reserved via rte_memzone_reserve API. + The current document/code indicates that: + "Note: A reserved zone cannot be freed." + */ + if (ring->vmem_size && *ring->vmem) { + memset((char *)*ring->vmem, 0, ring->vmem_size); + *ring->vmem = NULL; + } +} diff --git a/drivers/net/bnxt/bnxt_ring.h b/drivers/net/bnxt/bnxt_ring.h new file mode 100644 index 0000000..f44025c --- /dev/null +++ b/drivers/net/bnxt/bnxt_ring.h @@ -0,0 +1,92 @@ +/*- + * BSD LICENSE + * + * Copyright(c) Broadcom Limited. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * 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. + * * Neither the name of Broadcom Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * 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 + * OWNER 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. + */ + +#ifndef _BNXT_RING_H_ +#define _BNXT_RING_H_ + +#include + +#include + +#define RING_NEXT(ring, idx) (((idx) + 1) & (ring)->ring_mask) + +#define RTE_MBUF_DATA_DMA_ADDR(mb) \ + ((uint64_t) ((mb)->buf_physaddr + (mb)->data_off)) + +#define DB_IDX_MASK 0xffffff +#define DB_IDX_VALID (0x1<<26) +#define DB_IRQ_DIS (0x1<<27) +#define DB_KEY_TX (0x0<<28) +#define DB_KEY_RX (0x1<<28) +#define DB_KEY_CP (0x2<<28) +#define DB_KEY_ST (0x3<<28) +#define DB_KEY_TX_PUSH (0x4<<28) +#define DB_LONG_TX_PUSH (0x2<<24) + +#define DEFAULT_CP_RING_SIZE 256 +#define DEFAULT_RX_RING_SIZE 256 +#define DEFAULT_TX_RING_SIZE 256 + +#define MAX_TPA 128 + +/* TODO: These are derived from the Linux driver assuming 4k pages */ +#define MAX_RX_DESC_CNT (8 * 1024) +#define MAX_TX_DESC_CNT (4 * 1024) +#define MAX_CP_DESC_CNT (16 * 1024) + +#define INVALID_HW_RING_ID ((uint16_t) -1) + +struct bnxt_ring_struct { + void *bd; + phys_addr_t bd_dma; + uint32_t ring_size; + uint32_t ring_mask; + + int vmem_size; + void **vmem; + + uint16_t fw_ring_id; /* Ring id filled by Chimp FW */ +}; + +struct bnxt_ring_grp_info { + uint16_t fw_stats_ctx; + uint16_t fw_grp_id; + uint16_t rx_fw_ring_id; + uint16_t cp_fw_ring_id; + uint16_t ag_fw_ring_id; +}; + +struct bnxt; +void bnxt_free_ring(struct bnxt_ring_struct *ring); + +#endif -- 1.9.1