numam-dpdk/drivers/net/mvneta/mvneta_ethdev.c
Jerin Jacob 9c99878aa1 log: introduce logtype register macro
Introduce the RTE_LOG_REGISTER macro to avoid the code duplication
in the logtype registration process.

It is a wrapper macro for declaring the logtype, registering it and
setting its level in the constructor context.

Signed-off-by: Jerin Jacob <jerinj@marvell.com>
Acked-by: Adam Dybkowski <adamx.dybkowski@intel.com>
Acked-by: Sachin Saxena <sachin.saxena@nxp.com>
Acked-by: Akhil Goyal <akhil.goyal@nxp.com>
2020-07-03 15:52:51 +02:00

984 lines
22 KiB
C

/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2018 Marvell International Ltd.
* Copyright(c) 2018 Semihalf.
* All rights reserved.
*/
#include <rte_string_fns.h>
#include <rte_ethdev_driver.h>
#include <rte_kvargs.h>
#include <rte_bus_vdev.h>
#include <stdio.h>
#include <fcntl.h>
#include <linux/ethtool.h>
#include <linux/sockios.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <rte_mvep_common.h>
#include "mvneta_rxtx.h"
#define MVNETA_IFACE_NAME_ARG "iface"
#define MVNETA_PKT_SIZE_MAX (16382 - MV_MH_SIZE) /* 9700B */
#define MVNETA_DEFAULT_MTU 1500
#define MVNETA_MAC_ADDRS_MAX 256 /*16 UC, 256 IP, 256 MC/BC */
/** Maximum length of a match string */
#define MVNETA_MATCH_LEN 16
static const char * const valid_args[] = {
MVNETA_IFACE_NAME_ARG,
NULL
};
struct mvneta_ifnames {
const char *names[NETA_NUM_ETH_PPIO];
int idx;
};
static int mvneta_dev_num;
static int mvneta_stats_reset(struct rte_eth_dev *dev);
static int rte_pmd_mvneta_remove(struct rte_vdev_device *vdev);
/**
* Deinitialize packet processor.
*/
static void
mvneta_neta_deinit(void)
{
neta_deinit();
}
/**
* Initialize packet processor.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_neta_init(void)
{
return neta_init();
}
/**
* Callback used by rte_kvargs_process() during argument parsing.
*
* @param key
* Pointer to the parsed key (unused).
* @param value
* Pointer to the parsed value.
* @param extra_args
* Pointer to the extra arguments which contains address of the
* table of pointers to parsed interface names.
*
* @return
* Always 0.
*/
static int
mvneta_ifnames_get(const char *key __rte_unused, const char *value,
void *extra_args)
{
struct mvneta_ifnames *ifnames = extra_args;
ifnames->names[ifnames->idx++] = value;
return 0;
}
/**
* Ethernet device configuration.
*
* Prepare the driver for a given number of TX and RX queues and
* configure RSS if supported.
*
* @param dev
* Pointer to Ethernet device structure.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_dev_configure(struct rte_eth_dev *dev)
{
struct mvneta_priv *priv = dev->data->dev_private;
struct neta_ppio_params *ppio_params;
if (dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_NONE) {
MVNETA_LOG(INFO, "Unsupported RSS and rx multi queue mode %d",
dev->data->dev_conf.rxmode.mq_mode);
if (dev->data->nb_rx_queues > 1)
return -EINVAL;
}
if (dev->data->dev_conf.rxmode.split_hdr_size) {
MVNETA_LOG(INFO, "Split headers not supported");
return -EINVAL;
}
if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
dev->data->mtu = dev->data->dev_conf.rxmode.max_rx_pkt_len -
MRVL_NETA_ETH_HDRS_LEN;
if (dev->data->dev_conf.txmode.offloads & DEV_TX_OFFLOAD_MULTI_SEGS)
priv->multiseg = 1;
ppio_params = &priv->ppio_params;
ppio_params->outqs_params.num_outqs = dev->data->nb_tx_queues;
/* Default: 1 TC, no QoS supported. */
ppio_params->inqs_params.num_tcs = 1;
ppio_params->inqs_params.tcs_params[0].pkt_offset = MRVL_NETA_PKT_OFFS;
priv->ppio_id = dev->data->port_id;
return 0;
}
/**
* DPDK callback to get information about the device.
*
* @param dev
* Pointer to Ethernet device structure (unused).
* @param info
* Info structure output buffer.
*/
static int
mvneta_dev_infos_get(struct rte_eth_dev *dev __rte_unused,
struct rte_eth_dev_info *info)
{
info->speed_capa = ETH_LINK_SPEED_10M |
ETH_LINK_SPEED_100M |
ETH_LINK_SPEED_1G |
ETH_LINK_SPEED_2_5G;
info->max_rx_queues = MRVL_NETA_RXQ_MAX;
info->max_tx_queues = MRVL_NETA_TXQ_MAX;
info->max_mac_addrs = MVNETA_MAC_ADDRS_MAX;
info->rx_desc_lim.nb_max = MRVL_NETA_RXD_MAX;
info->rx_desc_lim.nb_min = MRVL_NETA_RXD_MIN;
info->rx_desc_lim.nb_align = MRVL_NETA_RXD_ALIGN;
info->tx_desc_lim.nb_max = MRVL_NETA_TXD_MAX;
info->tx_desc_lim.nb_min = MRVL_NETA_TXD_MIN;
info->tx_desc_lim.nb_align = MRVL_NETA_TXD_ALIGN;
info->rx_offload_capa = MVNETA_RX_OFFLOADS;
info->rx_queue_offload_capa = MVNETA_RX_OFFLOADS;
info->tx_offload_capa = MVNETA_TX_OFFLOADS;
info->tx_queue_offload_capa = MVNETA_TX_OFFLOADS;
/* By default packets are dropped if no descriptors are available */
info->default_rxconf.rx_drop_en = 1;
/* Deferred tx queue start is not supported */
info->default_txconf.tx_deferred_start = 0;
info->default_txconf.offloads = 0;
info->max_rx_pktlen = MVNETA_PKT_SIZE_MAX;
return 0;
}
/**
* Return supported packet types.
*
* @param dev
* Pointer to Ethernet device structure (unused).
*
* @return
* Const pointer to the table with supported packet types.
*/
static const uint32_t *
mvneta_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused)
{
static const uint32_t ptypes[] = {
RTE_PTYPE_L2_ETHER,
RTE_PTYPE_L2_ETHER_VLAN,
RTE_PTYPE_L3_IPV4,
RTE_PTYPE_L3_IPV6,
RTE_PTYPE_L4_TCP,
RTE_PTYPE_L4_UDP
};
return ptypes;
}
/**
* DPDK callback to change the MTU.
*
* Setting the MTU affects hardware MRU (packets larger than the MRU
* will be dropped).
*
* @param dev
* Pointer to Ethernet device structure.
* @param mtu
* New MTU.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
{
struct mvneta_priv *priv = dev->data->dev_private;
uint16_t mbuf_data_size = 0; /* SW buffer size */
uint16_t mru;
int ret;
mru = MRVL_NETA_MTU_TO_MRU(mtu);
/*
* min_rx_buf_size is equal to mbuf data size
* if pmd didn't set it differently
*/
mbuf_data_size = dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM;
/* Prevent PMD from:
* - setting mru greater than the mbuf size resulting in
* hw and sw buffer size mismatch
* - setting mtu that requires the support of scattered packets
* when this feature has not been enabled/supported so far.
*/
if (!dev->data->scattered_rx &&
(mru + MRVL_NETA_PKT_OFFS > mbuf_data_size)) {
mru = mbuf_data_size - MRVL_NETA_PKT_OFFS;
mtu = MRVL_NETA_MRU_TO_MTU(mru);
MVNETA_LOG(WARNING, "MTU too big, max MTU possible limitted by"
" current mbuf size: %u. Set MTU to %u, MRU to %u",
mbuf_data_size, mtu, mru);
}
if (mtu < RTE_ETHER_MIN_MTU || mru > MVNETA_PKT_SIZE_MAX) {
MVNETA_LOG(ERR, "Invalid MTU [%u] or MRU [%u]", mtu, mru);
return -EINVAL;
}
dev->data->mtu = mtu;
dev->data->dev_conf.rxmode.max_rx_pkt_len = mru - MV_MH_SIZE;
if (!priv->ppio)
/* It is OK. New MTU will be set later on mvneta_dev_start */
return 0;
ret = neta_ppio_set_mru(priv->ppio, mru);
if (ret) {
MVNETA_LOG(ERR, "Failed to change MRU");
return ret;
}
ret = neta_ppio_set_mtu(priv->ppio, mtu);
if (ret) {
MVNETA_LOG(ERR, "Failed to change MTU");
return ret;
}
MVNETA_LOG(INFO, "MTU changed to %u, MRU = %u", mtu, mru);
return 0;
}
/**
* DPDK callback to bring the link up.
*
* @param dev
* Pointer to Ethernet device structure.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_dev_set_link_up(struct rte_eth_dev *dev)
{
struct mvneta_priv *priv = dev->data->dev_private;
if (!priv->ppio)
return 0;
return neta_ppio_enable(priv->ppio);
}
/**
* DPDK callback to bring the link down.
*
* @param dev
* Pointer to Ethernet device structure.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_dev_set_link_down(struct rte_eth_dev *dev)
{
struct mvneta_priv *priv = dev->data->dev_private;
if (!priv->ppio)
return 0;
return neta_ppio_disable(priv->ppio);
}
/**
* DPDK callback to start the device.
*
* @param dev
* Pointer to Ethernet device structure.
*
* @return
* 0 on success, negative errno value on failure.
*/
static int
mvneta_dev_start(struct rte_eth_dev *dev)
{
struct mvneta_priv *priv = dev->data->dev_private;
char match[MVNETA_MATCH_LEN];
int ret = 0, i;
if (priv->ppio)
return mvneta_dev_set_link_up(dev);
strlcpy(match, dev->data->name, sizeof(match));
priv->ppio_params.match = match;
priv->ppio_params.inqs_params.mtu = dev->data->mtu;
ret = neta_ppio_init(&priv->ppio_params, &priv->ppio);
if (ret) {
MVNETA_LOG(ERR, "Failed to init ppio");
return ret;
}
priv->ppio_id = priv->ppio->port_id;
mvneta_stats_reset(dev);
/*
* In case there are some some stale uc/mc mac addresses flush them
* here. It cannot be done during mvneta_dev_close() as port information
* is already gone at that point (due to neta_ppio_deinit() in
* mvneta_dev_stop()).
*/
if (!priv->uc_mc_flushed) {
ret = neta_ppio_flush_mac_addrs(priv->ppio, 0, 1);
if (ret) {
MVNETA_LOG(ERR,
"Failed to flush uc/mc filter list");
goto out;
}
priv->uc_mc_flushed = 1;
}
ret = mvneta_alloc_rx_bufs(dev);
if (ret)
goto out;
ret = mvneta_mtu_set(dev, dev->data->mtu);
if (ret) {
MVNETA_LOG(ERR, "Failed to set MTU %d", dev->data->mtu);
goto out;
}
ret = mvneta_dev_set_link_up(dev);
if (ret) {
MVNETA_LOG(ERR, "Failed to set link up");
goto out;
}
/* start tx queues */
for (i = 0; i < dev->data->nb_tx_queues; i++)
dev->data->tx_queue_state[i] = RTE_ETH_QUEUE_STATE_STARTED;
mvneta_set_tx_function(dev);
return 0;
out:
MVNETA_LOG(ERR, "Failed to start device");
neta_ppio_deinit(priv->ppio);
return ret;
}
/**
* DPDK callback to stop the device.
*
* @param dev
* Pointer to Ethernet device structure.
*/
static void
mvneta_dev_stop(struct rte_eth_dev *dev)
{
struct mvneta_priv *priv = dev->data->dev_private;
if (!priv->ppio)
return;
mvneta_dev_set_link_down(dev);
mvneta_flush_queues(dev);
neta_ppio_deinit(priv->ppio);
priv->ppio = NULL;
}
/**
* DPDK callback to close the device.
*
* @param dev
* Pointer to Ethernet device structure.
*/
static void
mvneta_dev_close(struct rte_eth_dev *dev)
{
struct mvneta_priv *priv = dev->data->dev_private;
int i;
if (priv->ppio)
mvneta_dev_stop(dev);
for (i = 0; i < dev->data->nb_rx_queues; i++) {
mvneta_rx_queue_release(dev->data->rx_queues[i]);
dev->data->rx_queues[i] = NULL;
}
for (i = 0; i < dev->data->nb_tx_queues; i++) {
mvneta_tx_queue_release(dev->data->tx_queues[i]);
dev->data->tx_queues[i] = NULL;
}
mvneta_dev_num--;
if (mvneta_dev_num == 0) {
MVNETA_LOG(INFO, "Perform MUSDK deinit");
mvneta_neta_deinit();
rte_mvep_deinit(MVEP_MOD_T_NETA);
}
}
/**
* DPDK callback to retrieve physical link information.
*
* @param dev
* Pointer to Ethernet device structure.
* @param wait_to_complete
* Wait for request completion (ignored).
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_link_update(struct rte_eth_dev *dev, int wait_to_complete __rte_unused)
{
/*
* TODO
* once MUSDK provides necessary API use it here
*/
struct mvneta_priv *priv = dev->data->dev_private;
struct ethtool_cmd edata;
struct ifreq req;
int ret, fd, link_up;
if (!priv->ppio)
return -EPERM;
edata.cmd = ETHTOOL_GSET;
strcpy(req.ifr_name, dev->data->name);
req.ifr_data = (void *)&edata;
fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd == -1)
return -EFAULT;
ret = ioctl(fd, SIOCETHTOOL, &req);
if (ret == -1) {
close(fd);
return -EFAULT;
}
close(fd);
switch (ethtool_cmd_speed(&edata)) {
case SPEED_10:
dev->data->dev_link.link_speed = ETH_SPEED_NUM_10M;
break;
case SPEED_100:
dev->data->dev_link.link_speed = ETH_SPEED_NUM_100M;
break;
case SPEED_1000:
dev->data->dev_link.link_speed = ETH_SPEED_NUM_1G;
break;
case SPEED_2500:
dev->data->dev_link.link_speed = ETH_SPEED_NUM_2_5G;
break;
default:
dev->data->dev_link.link_speed = ETH_SPEED_NUM_NONE;
}
dev->data->dev_link.link_duplex = edata.duplex ? ETH_LINK_FULL_DUPLEX :
ETH_LINK_HALF_DUPLEX;
dev->data->dev_link.link_autoneg = edata.autoneg ? ETH_LINK_AUTONEG :
ETH_LINK_FIXED;
neta_ppio_get_link_state(priv->ppio, &link_up);
dev->data->dev_link.link_status = link_up ? ETH_LINK_UP : ETH_LINK_DOWN;
return 0;
}
/**
* DPDK callback to enable promiscuous mode.
*
* @param dev
* Pointer to Ethernet device structure.
*
* @return
* always 0
*/
static int
mvneta_promiscuous_enable(struct rte_eth_dev *dev)
{
struct mvneta_priv *priv = dev->data->dev_private;
int ret, en;
if (!priv->ppio)
return 0;
neta_ppio_get_promisc(priv->ppio, &en);
if (en) {
MVNETA_LOG(INFO, "Promiscuous already enabled");
return 0;
}
ret = neta_ppio_set_promisc(priv->ppio, 1);
if (ret)
MVNETA_LOG(ERR, "Failed to enable promiscuous mode");
return 0;
}
/**
* DPDK callback to disable allmulticast mode.
*
* @param dev
* Pointer to Ethernet device structure.
*
* @return
* always 0
*/
static int
mvneta_promiscuous_disable(struct rte_eth_dev *dev)
{
struct mvneta_priv *priv = dev->data->dev_private;
int ret, en;
if (!priv->ppio)
return 0;
neta_ppio_get_promisc(priv->ppio, &en);
if (!en) {
MVNETA_LOG(INFO, "Promiscuous already disabled");
return 0;
}
ret = neta_ppio_set_promisc(priv->ppio, 0);
if (ret)
MVNETA_LOG(ERR, "Failed to disable promiscuous mode");
return 0;
}
/**
* DPDK callback to remove a MAC address.
*
* @param dev
* Pointer to Ethernet device structure.
* @param index
* MAC address index.
*/
static void
mvneta_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
{
struct mvneta_priv *priv = dev->data->dev_private;
char buf[RTE_ETHER_ADDR_FMT_SIZE];
int ret;
if (!priv->ppio)
return;
ret = neta_ppio_remove_mac_addr(priv->ppio,
dev->data->mac_addrs[index].addr_bytes);
if (ret) {
rte_ether_format_addr(buf, sizeof(buf),
&dev->data->mac_addrs[index]);
MVNETA_LOG(ERR, "Failed to remove mac %s", buf);
}
}
/**
* DPDK callback to add a MAC address.
*
* @param dev
* Pointer to Ethernet device structure.
* @param mac_addr
* MAC address to register.
* @param index
* MAC address index.
* @param vmdq
* VMDq pool index to associate address with (unused).
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_mac_addr_add(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
uint32_t index, uint32_t vmdq __rte_unused)
{
struct mvneta_priv *priv = dev->data->dev_private;
char buf[RTE_ETHER_ADDR_FMT_SIZE];
int ret;
if (index == 0)
/* For setting index 0, mrvl_mac_addr_set() should be used.*/
return -1;
if (!priv->ppio)
return 0;
ret = neta_ppio_add_mac_addr(priv->ppio, mac_addr->addr_bytes);
if (ret) {
rte_ether_format_addr(buf, sizeof(buf), mac_addr);
MVNETA_LOG(ERR, "Failed to add mac %s", buf);
return -1;
}
return 0;
}
/**
* DPDK callback to set the primary MAC address.
*
* @param dev
* Pointer to Ethernet device structure.
* @param mac_addr
* MAC address to register.
*/
static int
mvneta_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr)
{
struct mvneta_priv *priv = dev->data->dev_private;
int ret;
if (!priv->ppio)
return -EINVAL;
ret = neta_ppio_set_mac_addr(priv->ppio, mac_addr->addr_bytes);
if (ret) {
char buf[RTE_ETHER_ADDR_FMT_SIZE];
rte_ether_format_addr(buf, sizeof(buf), mac_addr);
MVNETA_LOG(ERR, "Failed to set mac to %s", buf);
}
return 0;
}
/**
* DPDK callback to get device statistics.
*
* @param dev
* Pointer to Ethernet device structure.
* @param stats
* Stats structure output buffer.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
struct mvneta_priv *priv = dev->data->dev_private;
struct neta_ppio_statistics ppio_stats;
unsigned int ret;
if (!priv->ppio)
return -EPERM;
ret = neta_ppio_get_statistics(priv->ppio, &ppio_stats);
if (unlikely(ret)) {
MVNETA_LOG(ERR, "Failed to update port statistics");
return ret;
}
stats->ipackets += ppio_stats.rx_packets +
ppio_stats.rx_broadcast_packets +
ppio_stats.rx_multicast_packets -
priv->prev_stats.ipackets;
stats->opackets += ppio_stats.tx_packets +
ppio_stats.tx_broadcast_packets +
ppio_stats.tx_multicast_packets -
priv->prev_stats.opackets;
stats->ibytes += ppio_stats.rx_bytes - priv->prev_stats.ibytes;
stats->obytes += ppio_stats.tx_bytes - priv->prev_stats.obytes;
stats->imissed += ppio_stats.rx_discard +
ppio_stats.rx_overrun -
priv->prev_stats.imissed;
stats->ierrors = ppio_stats.rx_packets_err -
priv->prev_stats.ierrors;
stats->oerrors = ppio_stats.tx_errors - priv->prev_stats.oerrors;
return 0;
}
/**
* DPDK callback to clear device statistics.
*
* @param dev
* Pointer to Ethernet device structure.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_stats_reset(struct rte_eth_dev *dev)
{
struct mvneta_priv *priv = dev->data->dev_private;
unsigned int ret;
if (!priv->ppio)
return 0;
ret = mvneta_stats_get(dev, &priv->prev_stats);
if (unlikely(ret))
MVNETA_LOG(ERR, "Failed to reset port statistics");
return ret;
}
static const struct eth_dev_ops mvneta_ops = {
.dev_configure = mvneta_dev_configure,
.dev_start = mvneta_dev_start,
.dev_stop = mvneta_dev_stop,
.dev_set_link_up = mvneta_dev_set_link_up,
.dev_set_link_down = mvneta_dev_set_link_down,
.dev_close = mvneta_dev_close,
.link_update = mvneta_link_update,
.promiscuous_enable = mvneta_promiscuous_enable,
.promiscuous_disable = mvneta_promiscuous_disable,
.mac_addr_remove = mvneta_mac_addr_remove,
.mac_addr_add = mvneta_mac_addr_add,
.mac_addr_set = mvneta_mac_addr_set,
.mtu_set = mvneta_mtu_set,
.stats_get = mvneta_stats_get,
.stats_reset = mvneta_stats_reset,
.dev_infos_get = mvneta_dev_infos_get,
.dev_supported_ptypes_get = mvneta_dev_supported_ptypes_get,
.rxq_info_get = mvneta_rxq_info_get,
.txq_info_get = mvneta_txq_info_get,
.rx_queue_setup = mvneta_rx_queue_setup,
.rx_queue_release = mvneta_rx_queue_release,
.tx_queue_setup = mvneta_tx_queue_setup,
.tx_queue_release = mvneta_tx_queue_release,
};
/**
* Create device representing Ethernet port.
*
* @param name
* Pointer to the port's name.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
mvneta_eth_dev_create(struct rte_vdev_device *vdev, const char *name)
{
int ret, fd = socket(AF_INET, SOCK_DGRAM, 0);
struct rte_eth_dev *eth_dev;
struct mvneta_priv *priv;
struct ifreq req;
eth_dev = rte_eth_dev_allocate(name);
if (!eth_dev)
return -ENOMEM;
priv = rte_zmalloc_socket(name, sizeof(*priv), 0, rte_socket_id());
if (!priv) {
ret = -ENOMEM;
goto out_free;
}
eth_dev->data->dev_private = priv;
eth_dev->data->mac_addrs =
rte_zmalloc("mac_addrs",
RTE_ETHER_ADDR_LEN * MVNETA_MAC_ADDRS_MAX, 0);
if (!eth_dev->data->mac_addrs) {
MVNETA_LOG(ERR, "Failed to allocate space for eth addrs");
ret = -ENOMEM;
goto out_free;
}
memset(&req, 0, sizeof(req));
strcpy(req.ifr_name, name);
ret = ioctl(fd, SIOCGIFHWADDR, &req);
if (ret)
goto out_free;
memcpy(eth_dev->data->mac_addrs[0].addr_bytes,
req.ifr_addr.sa_data, RTE_ETHER_ADDR_LEN);
eth_dev->data->kdrv = RTE_KDRV_NONE;
eth_dev->device = &vdev->device;
eth_dev->rx_pkt_burst = mvneta_rx_pkt_burst;
mvneta_set_tx_function(eth_dev);
eth_dev->dev_ops = &mvneta_ops;
/* Flag to call rte_eth_dev_release_port() in rte_eth_dev_close(). */
eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
rte_eth_dev_probing_finish(eth_dev);
return 0;
out_free:
rte_eth_dev_release_port(eth_dev);
return ret;
}
/**
* Cleanup previously created device representing Ethernet port.
*
* @param eth_dev
* Pointer to the corresponding rte_eth_dev structure.
*/
static void
mvneta_eth_dev_destroy(struct rte_eth_dev *eth_dev)
{
rte_eth_dev_release_port(eth_dev);
}
/**
* Cleanup previously created device representing Ethernet port.
*
* @param name
* Pointer to the port name.
*/
static void
mvneta_eth_dev_destroy_name(const char *name)
{
struct rte_eth_dev *eth_dev;
eth_dev = rte_eth_dev_allocated(name);
if (!eth_dev)
return;
mvneta_eth_dev_destroy(eth_dev);
}
/**
* DPDK callback to register the virtual device.
*
* @param vdev
* Pointer to the virtual device.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
rte_pmd_mvneta_probe(struct rte_vdev_device *vdev)
{
struct rte_kvargs *kvlist;
struct mvneta_ifnames ifnames;
int ret = -EINVAL;
uint32_t i, ifnum;
const char *params;
params = rte_vdev_device_args(vdev);
if (!params)
return -EINVAL;
kvlist = rte_kvargs_parse(params, valid_args);
if (!kvlist)
return -EINVAL;
ifnum = rte_kvargs_count(kvlist, MVNETA_IFACE_NAME_ARG);
if (ifnum > RTE_DIM(ifnames.names))
goto out_free_kvlist;
ifnames.idx = 0;
rte_kvargs_process(kvlist, MVNETA_IFACE_NAME_ARG,
mvneta_ifnames_get, &ifnames);
/*
* The below system initialization should be done only once,
* on the first provided configuration file
*/
if (mvneta_dev_num)
goto init_devices;
MVNETA_LOG(INFO, "Perform MUSDK initializations");
ret = rte_mvep_init(MVEP_MOD_T_NETA, kvlist);
if (ret)
goto out_free_kvlist;
ret = mvneta_neta_init();
if (ret) {
MVNETA_LOG(ERR, "Failed to init NETA!");
rte_mvep_deinit(MVEP_MOD_T_NETA);
goto out_free_kvlist;
}
init_devices:
for (i = 0; i < ifnum; i++) {
MVNETA_LOG(INFO, "Creating %s", ifnames.names[i]);
ret = mvneta_eth_dev_create(vdev, ifnames.names[i]);
if (ret)
goto out_cleanup;
mvneta_dev_num++;
}
rte_kvargs_free(kvlist);
return 0;
out_cleanup:
rte_pmd_mvneta_remove(vdev);
out_free_kvlist:
rte_kvargs_free(kvlist);
return ret;
}
/**
* DPDK callback to remove virtual device.
*
* @param vdev
* Pointer to the removed virtual device.
*
* @return
* 0 on success, negative error value otherwise.
*/
static int
rte_pmd_mvneta_remove(struct rte_vdev_device *vdev)
{
uint16_t port_id;
RTE_ETH_FOREACH_DEV(port_id) {
if (rte_eth_devices[port_id].device != &vdev->device)
continue;
rte_eth_dev_close(port_id);
}
return 0;
}
static struct rte_vdev_driver pmd_mvneta_drv = {
.probe = rte_pmd_mvneta_probe,
.remove = rte_pmd_mvneta_remove,
};
RTE_PMD_REGISTER_VDEV(net_mvneta, pmd_mvneta_drv);
RTE_PMD_REGISTER_PARAM_STRING(net_mvneta, "iface=<ifc>");
RTE_LOG_REGISTER(mvneta_logtype, pmd.net.mvneta, NOTICE);