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From: Shreyansh Jain <shreyansh.jain@nxp.com>
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CC: <ferruh.yigit@intel.com>, <hemant.agrawal@nxp.com>
Date: Thu, 28 Sep 2017 17:59:42 +0530
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Subject: [dpdk-dev] [PATCH v6 22/40] net/dpaa: add NXP DPAA PMD driver
skeleton
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A skeleton which would be called after bus device scan. It currently
fails to identify the device.
Signed-off-by: Hemant Agrawal <hemant.agrawal@nxp.com>
Signed-off-by: Shreyansh Jain <shreyansh.jain@nxp.com>
---
MAINTAINERS | 1 +
drivers/net/dpaa/Makefile | 57 +++++++
drivers/net/dpaa/dpaa_ethdev.c | 256 ++++++++++++++++++++++++++++++
drivers/net/dpaa/dpaa_ethdev.h | 127 +++++++++++++++
drivers/net/dpaa/rte_pmd_dpaa_version.map | 4 +
5 files changed, 445 insertions(+)
create mode 100644 drivers/net/dpaa/Makefile
create mode 100644 drivers/net/dpaa/dpaa_ethdev.c
create mode 100644 drivers/net/dpaa/dpaa_ethdev.h
create mode 100644 drivers/net/dpaa/rte_pmd_dpaa_version.map
diff --git a/MAINTAINERS b/MAINTAINERS
index 022715f..9eec984 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -413,6 +413,7 @@ M: Hemant Agrawal <hemant.agrawal@nxp.com>
M: Shreyansh Jain <shreyansh.jain@nxp.com>
F: drivers/bus/dpaa/
F: drivers/mempool/dpaa/
+F: drivers/net/dpaa/
F: doc/guides/nics/dpaa.rst
F: doc/guides/nics/features/dpaa.ini
diff --git a/drivers/net/dpaa/Makefile b/drivers/net/dpaa/Makefile
new file mode 100644
index 0000000..bb305ca
--- /dev/null
+++ b/drivers/net/dpaa/Makefile
@@ -0,0 +1,57 @@
+# BSD LICENSE
+#
+# Copyright 2017 NXP.
+#
+# 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 NXP 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 $(RTE_SDK)/mk/rte.vars.mk
+RTE_SDK_DPAA=$(RTE_SDK)/drivers/net/dpaa
+
+#
+# library name
+#
+LIB = librte_pmd_dpaa.a
+
+CFLAGS := -I$(SRCDIR) $(CFLAGS)
+CFLAGS += -O3 $(WERROR_FLAGS)
+CFLAGS += -I$(RTE_SDK_DPAA)/
+CFLAGS += -I$(RTE_SDK_DPAA)/include
+CFLAGS += -I$(RTE_SDK)/drivers/bus/dpaa
+CFLAGS += -I$(RTE_SDK)/drivers/bus/dpaa/include/
+CFLAGS += -I$(RTE_SDK)/lib/librte_eal/common/include
+CFLAGS += -I$(RTE_SDK)/lib/librte_eal/linuxapp/eal/include
+
+EXPORT_MAP := rte_pmd_dpaa_version.map
+
+LIBABIVER := 1
+
+# Interfaces with DPDK
+SRCS-$(CONFIG_RTE_LIBRTE_DPAA_PMD) += dpaa_ethdev.c
+
+LDLIBS += -lrte_bus_dpaa
+
+include $(RTE_SDK)/mk/rte.lib.mk
diff --git a/drivers/net/dpaa/dpaa_ethdev.c b/drivers/net/dpaa/dpaa_ethdev.c
new file mode 100644
index 0000000..4543dfc
--- /dev/null
+++ b/drivers/net/dpaa/dpaa_ethdev.c
@@ -0,0 +1,256 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright 2016 Freescale Semiconductor, Inc. All rights reserved.
+ * Copyright 2017 NXP.
+ *
+ * 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 Freescale Semiconductor, Inc 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.
+ */
+/* System headers */
+#include <stdio.h>
+#include <inttypes.h>
+#include <unistd.h>
+#include <limits.h>
+#include <sched.h>
+#include <signal.h>
+#include <pthread.h>
+#include <sys/types.h>
+#include <sys/syscall.h>
+
+#include <rte_config.h>
+#include <rte_byteorder.h>
+#include <rte_common.h>
+#include <rte_interrupts.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_pci.h>
+#include <rte_atomic.h>
+#include <rte_branch_prediction.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_tailq.h>
+#include <rte_eal.h>
+#include <rte_alarm.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_malloc.h>
+#include <rte_ring.h>
+
+#include <rte_dpaa_bus.h>
+#include <rte_dpaa_logs.h>
+
+#include <dpaa_ethdev.h>
+
+/* Keep track of whether QMAN and BMAN have been globally initialized */
+static int is_global_init;
+
+static int
+dpaa_eth_dev_configure(struct rte_eth_dev *dev __rte_unused)
+{
+ PMD_INIT_FUNC_TRACE();
+
+ return 0;
+}
+
+static int dpaa_eth_dev_start(struct rte_eth_dev *dev)
+{
+ PMD_INIT_FUNC_TRACE();
+
+ /* Change tx callback to the real one */
+ dev->tx_pkt_burst = NULL;
+
+ return 0;
+}
+
+static void dpaa_eth_dev_stop(struct rte_eth_dev *dev)
+{
+ dev->tx_pkt_burst = NULL;
+}
+
+static void dpaa_eth_dev_close(struct rte_eth_dev *dev __rte_unused)
+{
+ PMD_INIT_FUNC_TRACE();
+}
+
+static struct eth_dev_ops dpaa_devops = {
+ .dev_configure = dpaa_eth_dev_configure,
+ .dev_start = dpaa_eth_dev_start,
+ .dev_stop = dpaa_eth_dev_stop,
+ .dev_close = dpaa_eth_dev_close,
+};
+
+/* Initialise a network interface */
+static int
+dpaa_dev_init(struct rte_eth_dev *eth_dev)
+{
+ int dev_id;
+ struct rte_dpaa_device *dpaa_device;
+ struct dpaa_if *dpaa_intf;
+
+ PMD_INIT_FUNC_TRACE();
+
+ /* For secondary processes, the primary has done all the work */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return 0;
+
+ dpaa_device = DEV_TO_DPAA_DEVICE(eth_dev->device);
+ dev_id = dpaa_device->id.dev_id;
+ dpaa_intf = eth_dev->data->dev_private;
+
+ dpaa_intf->name = dpaa_device->name;
+
+ dpaa_intf->ifid = dev_id;
+
+ eth_dev->dev_ops = &dpaa_devops;
+
+ return 0;
+}
+
+static int
+dpaa_dev_uninit(struct rte_eth_dev *dev)
+{
+ struct dpaa_if *dpaa_intf = dev->data->dev_private;
+
+ PMD_INIT_FUNC_TRACE();
+
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+ return -EPERM;
+
+ if (!dpaa_intf) {
+ DPAA_PMD_WARN("Already closed or not started");
+ return -1;
+ }
+
+ dpaa_eth_dev_close(dev);
+
+ dev->dev_ops = NULL;
+ dev->rx_pkt_burst = NULL;
+ dev->tx_pkt_burst = NULL;
+
+ return 0;
+}
+
+static int
+rte_dpaa_probe(struct rte_dpaa_driver *dpaa_drv,
+ struct rte_dpaa_device *dpaa_dev)
+{
+ int diag;
+ int ret;
+ struct rte_eth_dev *eth_dev;
+
+ PMD_INIT_FUNC_TRACE();
+
+ /* In case of secondary process, the device is already configured
+ * and no further action is required, except portal initialization
+ * and verifying secondary attachment to port name.
+ */
+ if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
+ eth_dev = rte_eth_dev_attach_secondary(dpaa_dev->name);
+ if (!eth_dev)
+ return -ENOMEM;
+ return 0;
+ }
+
+ if (!is_global_init) {
+ /* One time load of Qman/Bman drivers */
+ ret = qman_global_init();
+ if (ret) {
+ DPAA_PMD_ERR("QMAN initialization failed: %d",
+ ret);
+ return ret;
+ }
+ ret = bman_global_init();
+ if (ret) {
+ DPAA_PMD_ERR("BMAN initialization failed: %d",
+ ret);
+ return ret;
+ }
+
+ is_global_init = 1;
+ }
+
+ ret = rte_dpaa_portal_init((void *)1);
+ if (ret) {
+ DPAA_PMD_ERR("Unable to initialize portal");
+ return ret;
+ }
+
+ eth_dev = rte_eth_dev_allocate(dpaa_dev->name);
+ if (eth_dev == NULL)
+ return -ENOMEM;
+
+ eth_dev->data->dev_private = rte_zmalloc(
+ "ethdev private structure",
+ sizeof(struct dpaa_if),
+ RTE_CACHE_LINE_SIZE);
+ if (!eth_dev->data->dev_private) {
+ DPAA_PMD_ERR("Cannot allocate memzone for port data");
+ rte_eth_dev_release_port(eth_dev);
+ return -ENOMEM;
+ }
+
+ eth_dev->device = &dpaa_dev->device;
+ eth_dev->device->driver = &dpaa_drv->driver;
+ dpaa_dev->eth_dev = eth_dev;
+
+ /* Invoke PMD device initialization function */
+ diag = dpaa_dev_init(eth_dev);
+ if (diag == 0)
+ return 0;
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_free(eth_dev->data->dev_private);
+
+ rte_eth_dev_release_port(eth_dev);
+ return diag;
+}
+
+static int
+rte_dpaa_remove(struct rte_dpaa_device *dpaa_dev)
+{
+ struct rte_eth_dev *eth_dev;
+
+ PMD_INIT_FUNC_TRACE();
+
+ eth_dev = dpaa_dev->eth_dev;
+ dpaa_dev_uninit(eth_dev);
+
+ if (rte_eal_process_type() == RTE_PROC_PRIMARY)
+ rte_free(eth_dev->data->dev_private);
+
+ rte_eth_dev_release_port(eth_dev);
+
+ return 0;
+}
+
+static struct rte_dpaa_driver rte_dpaa_pmd = {
+ .drv_type = FSL_DPAA_ETH,
+ .probe = rte_dpaa_probe,
+ .remove = rte_dpaa_remove,
+};
+
+RTE_PMD_REGISTER_DPAA(net_dpaa, rte_dpaa_pmd);
diff --git a/drivers/net/dpaa/dpaa_ethdev.h b/drivers/net/dpaa/dpaa_ethdev.h
new file mode 100644
index 0000000..2f25acb
--- /dev/null
+++ b/drivers/net/dpaa/dpaa_ethdev.h
@@ -0,0 +1,127 @@
+/*-
+ * BSD LICENSE
+ *
+ * Copyright (c) 2014-2016 Freescale Semiconductor, Inc. All rights reserved.
+ * Copyright 2017 NXP.
+ *
+ * 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 Freescale Semiconductor, Inc 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 __DPAA_ETHDEV_H__
+#define __DPAA_ETHDEV_H__
+
+/* System headers */
+#include <stdbool.h>
+#include <rte_ethdev.h>
+
+#include <fsl_usd.h>
+#include <fsl_qman.h>
+#include <fsl_bman.h>
+#include <of.h>
+#include <netcfg.h>
+
+#define DPAA_MBUF_HW_ANNOTATION 64
+#define DPAA_FD_PTA_SIZE 64
+
+#if (DPAA_MBUF_HW_ANNOTATION + DPAA_FD_PTA_SIZE) > RTE_PKTMBUF_HEADROOM
+#error "Annotation requirement is more than RTE_PKTMBUF_HEADROOM"
+#endif
+
+/* we will re-use the HEADROOM for annotation in RX */
+#define DPAA_HW_BUF_RESERVE 0
+#define DPAA_PACKET_LAYOUT_ALIGN 64
+
+/* Alignment to use for cpu-local structs to avoid coherency problems. */
+#define MAX_CACHELINE 64
+
+#define DPAA_MIN_RX_BUF_SIZE 512
+#define DPAA_MAX_RX_PKT_LEN 10240
+
+/* RX queue tail drop threshold
+ * currently considering 32 KB packets.
+ */
+#define CONG_THRESHOLD_RX_Q (32 * 1024)
+
+/*max mac filter for memac(8) including primary mac addr*/
+#define DPAA_MAX_MAC_FILTER (MEMAC_NUM_OF_PADDRS + 1)
+
+/*Maximum number of slots available in TX ring*/
+#define MAX_TX_RING_SLOTS 8
+
+/* PCD frame queues */
+#define DPAA_PCD_FQID_START 0x400
+#define DPAA_PCD_FQID_MULTIPLIER 0x100
+#define DPAA_DEFAULT_NUM_PCD_QUEUES 1
+
+#define DPAA_IF_TX_PRIORITY 3
+#define DPAA_IF_RX_PRIORITY 4
+#define DPAA_IF_DEBUG_PRIORITY 7
+
+#define DPAA_IF_RX_ANNOTATION_STASH 1
+#define DPAA_IF_RX_DATA_STASH 1
+#define DPAA_IF_RX_CONTEXT_STASH 0
+
+/* Each "debug" FQ is represented by one of these */
+#define DPAA_DEBUG_FQ_RX_ERROR 0
+#define DPAA_DEBUG_FQ_TX_ERROR 1
+
+#define DPAA_TX_CKSUM_OFFLOAD_MASK ( \
+ PKT_TX_IP_CKSUM | \
+ PKT_TX_TCP_CKSUM | \
+ PKT_TX_UDP_CKSUM)
+
+/* DPAA Frame descriptor macros */
+
+#define DPAA_FD_CMD_FCO 0x80000000
+/**< Frame queue Context Override */
+#define DPAA_FD_CMD_RPD 0x40000000
+/**< Read Prepended Data */
+#define DPAA_FD_CMD_UPD 0x20000000
+/**< Update Prepended Data */
+#define DPAA_FD_CMD_DTC 0x10000000
+/**< Do IP/TCP/UDP Checksum */
+#define DPAA_FD_CMD_DCL4C 0x10000000
+/**< Didn't calculate L4 Checksum */
+#define DPAA_FD_CMD_CFQ 0x00ffffff
+/**< Confirmation Frame Queue */
+
+/* Each network interface is represented by one of these */
+struct dpaa_if {
+ int valid;
+ char *name;
+ const struct fm_eth_port_cfg *cfg;
+ struct qman_fq *rx_queues;
+ struct qman_fq *tx_queues;
+ struct qman_fq debug_queues[2];
+ uint16_t nb_rx_queues;
+ uint16_t nb_tx_queues;
+ uint32_t ifid;
+ struct fman_if *fif;
+ struct dpaa_bp_info *bp_info;
+ struct rte_eth_fc_conf *fc_conf;
+};
+
+#endif
diff --git a/drivers/net/dpaa/rte_pmd_dpaa_version.map b/drivers/net/dpaa/rte_pmd_dpaa_version.map
new file mode 100644
index 0000000..a70bd19
--- /dev/null
+++ b/drivers/net/dpaa/rte_pmd_dpaa_version.map
@@ -0,0 +1,4 @@
+DPDK_17.11 {
+
+ local: *;
+};
--
2.9.3