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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>
This commit is contained in:
Shreyansh Jain 2017-09-28 17:59:42 +05:30 committed by Ferruh Yigit
parent a960306c06
commit ff9e112d78
5 changed files with 445 additions and 0 deletions
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1
MAINTAINERS
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@ -414,6 +414,7 @@ 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

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drivers/net/dpaa/Makefile Normal file
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# 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

256
drivers/net/dpaa/dpaa_ethdev.c Normal file
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/*-
* 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);

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drivers/net/dpaa/dpaa_ethdev.h Normal file
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/*-
* 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

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drivers/net/dpaa/rte_pmd_dpaa_version.map Normal file
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DPDK_17.11 {
local: *;
};