numam-dpdk/lib/librte_pmd_bond/rte_eth_bond_pmd.c
David Marchand 78aecefed9 bond: move param parsing in configure step
Rework bond pmd initialisation so that we don't need to modify eal
for this pmd to work.

Signed-off-by: David Marchand <david.marchand@6wind.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Thomas Monjalon <thomas.monjalon@6wind.com>
2014-09-29 11:56:19 +02:00

1227 lines
33 KiB
C

/*-
* BSD LICENSE
*
* Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
* 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 Intel 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 <rte_mbuf.h>
#include <rte_malloc.h>
#include <rte_ethdev.h>
#include <rte_tcp.h>
#include <rte_udp.h>
#include <rte_ip.h>
#include <rte_devargs.h>
#include <rte_kvargs.h>
#include <rte_dev.h>
#include "rte_eth_bond.h"
#include "rte_eth_bond_private.h"
static uint16_t
bond_ethdev_rx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
{
struct bond_dev_private *internals;
uint16_t num_rx_slave = 0;
uint16_t num_rx_total = 0;
int i;
/* Cast to structure, containing bonded device's port id and queue id */
struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
internals = bd_rx_q->dev_private;
switch (internals->mode) {
case BONDING_MODE_ROUND_ROBIN:
case BONDING_MODE_BROADCAST:
case BONDING_MODE_BALANCE:
for (i = 0; i < internals->active_slave_count && nb_pkts; i++) {
/* Offset of pointer to *bufs increases as packets are received
* from other slaves */
num_rx_slave = rte_eth_rx_burst(internals->active_slaves[i],
bd_rx_q->queue_id, bufs + num_rx_total, nb_pkts);
if (num_rx_slave) {
num_rx_total += num_rx_slave;
nb_pkts -= num_rx_slave;
}
}
break;
case BONDING_MODE_ACTIVE_BACKUP:
num_rx_slave = rte_eth_rx_burst(internals->current_primary_port,
bd_rx_q->queue_id, bufs, nb_pkts);
if (num_rx_slave)
num_rx_total = num_rx_slave;
break;
}
return num_rx_total;
}
static uint16_t
bond_ethdev_tx_round_robin(void *queue, struct rte_mbuf **bufs,
uint16_t nb_pkts)
{
struct bond_dev_private *dev_private;
struct bond_tx_queue *bd_tx_q;
struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
uint8_t num_of_slaves;
uint8_t slaves[RTE_MAX_ETHPORTS];
uint16_t num_tx_total = 0;
static int slave_idx = 0;
int i, cs_idx = 0;
bd_tx_q = (struct bond_tx_queue *)queue;
dev_private = bd_tx_q->dev_private;
/* Copy slave list to protect against slave up/down changes during tx
* bursting */
num_of_slaves = dev_private->active_slave_count;
memcpy(slaves, dev_private->active_slaves,
sizeof(dev_private->active_slaves[0]) * num_of_slaves);
if (num_of_slaves < 1)
return num_tx_total;
/* Populate slaves mbuf with which packets are to be sent on it */
for (i = 0; i < nb_pkts; i++) {
cs_idx = (slave_idx + i) % num_of_slaves;
slave_bufs[cs_idx][(slave_nb_pkts[cs_idx])++] = bufs[i];
}
/* increment current slave index so the next call to tx burst starts on the
* next slave */
slave_idx = ++cs_idx;
/* Send packet burst on each slave device */
for (i = 0; i < num_of_slaves; i++)
if (slave_nb_pkts[i] > 0)
num_tx_total += rte_eth_tx_burst(slaves[i],
bd_tx_q->queue_id, slave_bufs[i], slave_nb_pkts[i]);
return num_tx_total;
}
static uint16_t
bond_ethdev_tx_active_backup(void *queue,
struct rte_mbuf **bufs, uint16_t nb_pkts)
{
struct bond_dev_private *internals;
struct bond_tx_queue *bd_tx_q;
bd_tx_q = (struct bond_tx_queue *)queue;
internals = bd_tx_q->dev_private;
if (internals->active_slave_count < 1)
return 0;
return rte_eth_tx_burst(internals->current_primary_port, bd_tx_q->queue_id,
bufs, nb_pkts);
}
static inline uint16_t
ether_hash(struct ether_hdr *eth_hdr)
{
uint16_t *word_src_addr = (uint16_t *)eth_hdr->s_addr.addr_bytes;
uint16_t *word_dst_addr = (uint16_t *)eth_hdr->d_addr.addr_bytes;
return (word_src_addr[0] ^ word_dst_addr[0]) ^
(word_src_addr[1] ^ word_dst_addr[1]) ^
(word_src_addr[2] ^ word_dst_addr[2]);
}
static inline uint32_t
ipv4_hash(struct ipv4_hdr *ipv4_hdr)
{
return (ipv4_hdr->src_addr ^ ipv4_hdr->dst_addr);
}
static inline uint32_t
ipv6_hash(struct ipv6_hdr *ipv6_hdr)
{
uint32_t *word_src_addr = (uint32_t *)&(ipv6_hdr->src_addr[0]);
uint32_t *word_dst_addr = (uint32_t *)&(ipv6_hdr->dst_addr[0]);
return (word_src_addr[0] ^ word_dst_addr[0]) ^
(word_src_addr[1] ^ word_dst_addr[1]) ^
(word_src_addr[2] ^ word_dst_addr[2]) ^
(word_src_addr[3] ^ word_dst_addr[3]);
}
static uint32_t
udp_hash(struct udp_hdr *hdr)
{
return hdr->src_port ^ hdr->dst_port;
}
static inline uint16_t
xmit_slave_hash(const struct rte_mbuf *buf, uint8_t slave_count, uint8_t policy)
{
struct ether_hdr *eth_hdr;
struct udp_hdr *udp_hdr;
size_t eth_offset = 0;
uint32_t hash = 0;
if (slave_count == 1)
return 0;
switch (policy) {
case BALANCE_XMIT_POLICY_LAYER2:
eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
hash = ether_hash(eth_hdr);
hash ^= hash >> 8;
return hash % slave_count;
case BALANCE_XMIT_POLICY_LAYER23:
eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
if (buf->ol_flags & PKT_RX_VLAN_PKT)
eth_offset = sizeof(struct ether_hdr) + sizeof(struct vlan_hdr);
else
eth_offset = sizeof(struct ether_hdr);
if (buf->ol_flags & PKT_RX_IPV4_HDR) {
struct ipv4_hdr *ipv4_hdr;
ipv4_hdr = (struct ipv4_hdr *)(rte_pktmbuf_mtod(buf,
unsigned char *) + eth_offset);
hash = ether_hash(eth_hdr) ^ ipv4_hash(ipv4_hdr);
} else {
struct ipv6_hdr *ipv6_hdr;
ipv6_hdr = (struct ipv6_hdr *)(rte_pktmbuf_mtod(buf,
unsigned char *) + eth_offset);
hash = ether_hash(eth_hdr) ^ ipv6_hash(ipv6_hdr);
}
break;
case BALANCE_XMIT_POLICY_LAYER34:
if (buf->ol_flags & PKT_RX_VLAN_PKT)
eth_offset = sizeof(struct ether_hdr) + sizeof(struct vlan_hdr);
else
eth_offset = sizeof(struct ether_hdr);
if (buf->ol_flags & PKT_RX_IPV4_HDR) {
struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)
(rte_pktmbuf_mtod(buf, unsigned char *) + eth_offset);
if (ipv4_hdr->next_proto_id == IPPROTO_UDP) {
udp_hdr = (struct udp_hdr *)
(rte_pktmbuf_mtod(buf, unsigned char *) + eth_offset +
sizeof(struct ipv4_hdr));
hash = ipv4_hash(ipv4_hdr) ^ udp_hash(udp_hdr);
} else {
hash = ipv4_hash(ipv4_hdr);
}
} else {
struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)
(rte_pktmbuf_mtod(buf, unsigned char *) + eth_offset);
if (ipv6_hdr->proto == IPPROTO_UDP) {
udp_hdr = (struct udp_hdr *)
(rte_pktmbuf_mtod(buf, unsigned char *) + eth_offset +
sizeof(struct ipv6_hdr));
hash = ipv6_hash(ipv6_hdr) ^ udp_hash(udp_hdr);
} else {
hash = ipv6_hash(ipv6_hdr);
}
}
break;
}
hash ^= hash >> 16;
hash ^= hash >> 8;
return hash % slave_count;
}
static uint16_t
bond_ethdev_tx_balance(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
{
struct bond_dev_private *internals;
struct bond_tx_queue *bd_tx_q;
uint8_t num_of_slaves;
uint8_t slaves[RTE_MAX_ETHPORTS];
uint16_t num_tx_total = 0;
int i, op_slave_id;
struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
bd_tx_q = (struct bond_tx_queue *)queue;
internals = bd_tx_q->dev_private;
/* Copy slave list to protect against slave up/down changes during tx
* bursting */
num_of_slaves = internals->active_slave_count;
memcpy(slaves, internals->active_slaves,
sizeof(internals->active_slaves[0]) * num_of_slaves);
if (num_of_slaves < 1)
return num_tx_total;
/* Populate slaves mbuf with the packets which are to be sent on it */
for (i = 0; i < nb_pkts; i++) {
/* Select output slave using hash based on xmit policy */
op_slave_id = xmit_slave_hash(bufs[i], num_of_slaves,
internals->balance_xmit_policy);
/* Populate slave mbuf arrays with mbufs for that slave */
slave_bufs[op_slave_id][slave_nb_pkts[op_slave_id]++] = bufs[i];
}
/* Send packet burst on each slave device */
for (i = 0; i < num_of_slaves; i++) {
if (slave_nb_pkts[i] > 0) {
num_tx_total += rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
slave_bufs[i], slave_nb_pkts[i]);
}
}
return num_tx_total;
}
static uint16_t
bond_ethdev_tx_burst_broadcast(void *queue, struct rte_mbuf **bufs,
uint16_t nb_pkts)
{
struct bond_dev_private *internals;
struct bond_tx_queue *bd_tx_q;
uint8_t num_of_slaves;
uint8_t slaves[RTE_MAX_ETHPORTS];
uint16_t num_tx_total = 0;
int i;
bd_tx_q = (struct bond_tx_queue *)queue;
internals = bd_tx_q->dev_private;
/* Copy slave list to protect against slave up/down changes during tx
* bursting */
num_of_slaves = internals->active_slave_count;
memcpy(slaves, internals->active_slaves,
sizeof(internals->active_slaves[0]) * num_of_slaves);
if (num_of_slaves < 1)
return 0;
/* Increment reference count on mbufs */
for (i = 0; i < nb_pkts; i++)
rte_mbuf_refcnt_update(bufs[i], num_of_slaves - 1);
/* Transmit burst on each active slave */
for (i = 0; i < num_of_slaves; i++)
num_tx_total += rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
bufs, nb_pkts);
return num_tx_total;
}
void
link_properties_set(struct rte_eth_dev *bonded_eth_dev,
struct rte_eth_link *slave_dev_link)
{
struct rte_eth_link *bonded_dev_link = &bonded_eth_dev->data->dev_link;
struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
if (slave_dev_link->link_status &&
bonded_eth_dev->data->dev_started) {
bonded_dev_link->link_duplex = slave_dev_link->link_duplex;
bonded_dev_link->link_speed = slave_dev_link->link_speed;
internals->link_props_set = 1;
}
}
void
link_properties_reset(struct rte_eth_dev *bonded_eth_dev)
{
struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
memset(&(bonded_eth_dev->data->dev_link), 0,
sizeof(bonded_eth_dev->data->dev_link));
internals->link_props_set = 0;
}
int
link_properties_valid(struct rte_eth_link *bonded_dev_link,
struct rte_eth_link *slave_dev_link)
{
if (bonded_dev_link->link_duplex != slave_dev_link->link_duplex ||
bonded_dev_link->link_speed != slave_dev_link->link_speed)
return -1;
return 0;
}
int
mac_address_set(struct rte_eth_dev *eth_dev, struct ether_addr *new_mac_addr)
{
struct ether_addr *mac_addr;
mac_addr = eth_dev->data->mac_addrs;
if (eth_dev == NULL) {
RTE_LOG(ERR, PMD, "%s: NULL pointer eth_dev specified\n", __func__);
return -1;
}
if (new_mac_addr == NULL) {
RTE_LOG(ERR, PMD, "%s: NULL pointer MAC specified\n", __func__);
return -1;
}
/* if new MAC is different to current MAC then update */
if (memcmp(mac_addr, new_mac_addr, sizeof(*mac_addr)) != 0)
memcpy(mac_addr, new_mac_addr, sizeof(*mac_addr));
return 0;
}
int
mac_address_slaves_update(struct rte_eth_dev *bonded_eth_dev)
{
struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
int i;
/* Update slave devices MAC addresses */
if (internals->slave_count < 1)
return -1;
switch (internals->mode) {
case BONDING_MODE_ROUND_ROBIN:
case BONDING_MODE_BALANCE:
case BONDING_MODE_BROADCAST:
for (i = 0; i < internals->slave_count; i++) {
if (mac_address_set(&rte_eth_devices[internals->slaves[i]],
bonded_eth_dev->data->mac_addrs)) {
RTE_LOG(ERR, PMD,
"%s: Failed to update port Id %d MAC address\n",
__func__, internals->slaves[i]);
return -1;
}
}
break;
case BONDING_MODE_ACTIVE_BACKUP:
default:
for (i = 0; i < internals->slave_count; i++) {
if (internals->slaves[i] == internals->current_primary_port) {
if (mac_address_set(&rte_eth_devices[internals->primary_port],
bonded_eth_dev->data->mac_addrs)) {
RTE_LOG(ERR, PMD,
"%s: Failed to update port Id %d MAC address\n",
__func__, internals->current_primary_port);
}
} else {
struct slave_conf *conf =
slave_config_get(internals, internals->slaves[i]);
if (mac_address_set(&rte_eth_devices[internals->slaves[i]],
&conf->mac_addr)) {
RTE_LOG(ERR, PMD,
"%s: Failed to update port Id %d MAC address\n",
__func__, internals->slaves[i]);
return -1;
}
}
}
}
return 0;
}
int
bond_ethdev_mode_set(struct rte_eth_dev *eth_dev, int mode)
{
struct bond_dev_private *internals;
internals = eth_dev->data->dev_private;
switch (mode) {
case BONDING_MODE_ROUND_ROBIN:
eth_dev->tx_pkt_burst = bond_ethdev_tx_round_robin;
break;
case BONDING_MODE_ACTIVE_BACKUP:
eth_dev->tx_pkt_burst = bond_ethdev_tx_active_backup;
break;
case BONDING_MODE_BALANCE:
eth_dev->tx_pkt_burst = bond_ethdev_tx_balance;
break;
case BONDING_MODE_BROADCAST:
eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_broadcast;
break;
default:
return -1;
}
eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
internals->mode = mode;
return 0;
}
int
slave_configure(struct rte_eth_dev *bonded_eth_dev,
struct rte_eth_dev *slave_eth_dev)
{
struct bond_rx_queue *bd_rx_q;
struct bond_tx_queue *bd_tx_q;
int q_id;
/* Stop slave */
rte_eth_dev_stop(slave_eth_dev->data->port_id);
/* Enable interrupts on slave device */
slave_eth_dev->data->dev_conf.intr_conf.lsc = 1;
if (rte_eth_dev_configure(slave_eth_dev->data->port_id,
bonded_eth_dev->data->nb_rx_queues,
bonded_eth_dev->data->nb_tx_queues,
&(slave_eth_dev->data->dev_conf)) != 0) {
RTE_LOG(ERR, PMD, "Cannot configure slave device: port=%u\n",
slave_eth_dev->data->port_id);
return -1;
}
/* Setup Rx Queues */
for (q_id = 0; q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
if (rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
bd_rx_q->nb_rx_desc,
rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
&(bd_rx_q->rx_conf), bd_rx_q->mb_pool) != 0) {
RTE_LOG(ERR, PMD, "rte_eth_rx_queue_setup: port=%d queue_id %d\n",
slave_eth_dev->data->port_id, q_id);
return -1;
}
}
/* Setup Tx Queues */
for (q_id = 0; q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
if (rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,
bd_tx_q->nb_tx_desc,
rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
&bd_tx_q->tx_conf) != 0) {
RTE_LOG(ERR, PMD, "rte_eth_tx_queue_setup: port=%d queue_id %d\n",
slave_eth_dev->data->port_id, q_id);
return -1;
}
}
/* Start device */
if (rte_eth_dev_start(slave_eth_dev->data->port_id) != 0) {
RTE_LOG(ERR, PMD, "rte_eth_dev_start: port=%u\n",
slave_eth_dev->data->port_id);
return -1;
}
return 0;
}
struct slave_conf *
slave_config_get(struct bond_dev_private *internals, uint8_t slave_port_id)
{
int i;
for (i = 0; i < internals->slave_count; i++) {
if (internals->presisted_slaves_conf[i].port_id == slave_port_id)
return &internals->presisted_slaves_conf[i];
}
return NULL;
}
void
slave_config_clear(struct bond_dev_private *internals,
struct rte_eth_dev *slave_eth_dev)
{
int i, found = 0;
for (i = 0; i < internals->slave_count; i++) {
if (internals->presisted_slaves_conf[i].port_id ==
slave_eth_dev->data->port_id) {
found = 1;
memset(&internals->presisted_slaves_conf[i], 0,
sizeof(internals->presisted_slaves_conf[i]));
}
if (found && i < (internals->slave_count - 1)) {
memcpy(&internals->presisted_slaves_conf[i],
&internals->presisted_slaves_conf[i+1],
sizeof(internals->presisted_slaves_conf[i]));
}
}
}
void
slave_config_store(struct bond_dev_private *internals,
struct rte_eth_dev *slave_eth_dev)
{
struct slave_conf *presisted_slave_conf =
&internals->presisted_slaves_conf[internals->slave_count];
presisted_slave_conf->port_id = slave_eth_dev->data->port_id;
memcpy(&(presisted_slave_conf->mac_addr), slave_eth_dev->data->mac_addrs,
sizeof(struct ether_addr));
}
void
bond_ethdev_primary_set(struct bond_dev_private *internals,
uint8_t slave_port_id)
{
int i;
if (internals->active_slave_count < 1)
internals->current_primary_port = slave_port_id;
else
/* Search bonded device slave ports for new proposed primary port */
for (i = 0; i < internals->active_slave_count; i++) {
if (internals->active_slaves[i] == slave_port_id)
internals->current_primary_port = slave_port_id;
}
}
static void
bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev);
static int
bond_ethdev_start(struct rte_eth_dev *eth_dev)
{
struct bond_dev_private *internals;
int i;
/* slave eth dev will be started by bonded device */
if (valid_bonded_ethdev(eth_dev)) {
RTE_LOG(ERR, PMD,
"%s: user tried to explicitly start a slave eth_dev (%d) of the bonded eth_dev\n",
__func__, eth_dev->data->port_id);
return -1;
}
eth_dev->data->dev_link.link_status = 1;
eth_dev->data->dev_started = 1;
internals = eth_dev->data->dev_private;
if (internals->slave_count == 0) {
RTE_LOG(ERR, PMD,
"%s: Cannot start port since there are no slave devices\n",
__func__);
return -1;
}
if (internals->user_defined_mac == 0) {
struct slave_conf *conf = slave_config_get(internals,
internals->primary_port);
if (mac_address_set(eth_dev, &(conf->mac_addr)) != 0) {
RTE_LOG(ERR, PMD,
"bonded port (%d) failed to update mac address",
eth_dev->data->port_id);
return -1;
}
}
/* Update all slave devices MACs*/
if (mac_address_slaves_update(eth_dev) != 0)
return -1;
/* If bonded device is configure in promiscuous mode then re-apply config */
if (internals->promiscuous_en)
bond_ethdev_promiscuous_enable(eth_dev);
/* Reconfigure each slave device if starting bonded device */
for (i = 0; i < internals->slave_count; i++) {
if (slave_configure(eth_dev, &(rte_eth_devices[internals->slaves[i]]))
!= 0) {
RTE_LOG(ERR, PMD, "bonded port "
"(%d) failed to reconfigure slave device (%d)\n)",
eth_dev->data->port_id, internals->slaves[i]);
return -1;
}
}
if (internals->user_defined_primary_port)
bond_ethdev_primary_set(internals, internals->primary_port);
return 0;
}
static void
bond_ethdev_stop(struct rte_eth_dev *eth_dev)
{
struct bond_dev_private *internals = eth_dev->data->dev_private;
internals->active_slave_count = 0;
eth_dev->data->dev_link.link_status = 0;
eth_dev->data->dev_started = 0;
}
static void
bond_ethdev_close(struct rte_eth_dev *dev __rte_unused)
{
}
/* forward declaration */
static int bond_ethdev_configure(struct rte_eth_dev *dev);
static void
bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
{
dev_info->driver_name = driver_name;
dev_info->max_mac_addrs = 1;
dev_info->max_rx_pktlen = (uint32_t)2048;
dev_info->max_rx_queues = (uint16_t)128;
dev_info->max_tx_queues = (uint16_t)512;
dev_info->min_rx_bufsize = 0;
dev_info->pci_dev = dev->pci_dev;
}
static int
bond_ethdev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
uint16_t nb_rx_desc, unsigned int socket_id __rte_unused,
const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool)
{
struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)
rte_zmalloc_socket(NULL, sizeof(struct bond_rx_queue),
0, dev->pci_dev->numa_node);
if (bd_rx_q == NULL)
return -1;
bd_rx_q->queue_id = rx_queue_id;
bd_rx_q->dev_private = dev->data->dev_private;
bd_rx_q->nb_rx_desc = nb_rx_desc;
memcpy(&(bd_rx_q->rx_conf), rx_conf, sizeof(struct rte_eth_rxconf));
bd_rx_q->mb_pool = mb_pool;
dev->data->rx_queues[rx_queue_id] = bd_rx_q;
return 0;
}
static int
bond_ethdev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
uint16_t nb_tx_desc, unsigned int socket_id __rte_unused,
const struct rte_eth_txconf *tx_conf)
{
struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)
rte_zmalloc_socket(NULL, sizeof(struct bond_tx_queue),
0, dev->pci_dev->numa_node);
if (bd_tx_q == NULL)
return -1;
bd_tx_q->queue_id = tx_queue_id;
bd_tx_q->dev_private = dev->data->dev_private;
bd_tx_q->nb_tx_desc = nb_tx_desc;
memcpy(&(bd_tx_q->tx_conf), tx_conf, sizeof(bd_tx_q->tx_conf));
dev->data->tx_queues[tx_queue_id] = bd_tx_q;
return 0;
}
static void
bond_ethdev_rx_queue_release(void *queue)
{
if (queue == NULL)
return;
rte_free(queue);
}
static void
bond_ethdev_tx_queue_release(void *queue)
{
if (queue == NULL)
return;
rte_free(queue);
}
static int
bond_ethdev_link_update(struct rte_eth_dev *bonded_eth_dev,
int wait_to_complete)
{
struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
if (!bonded_eth_dev->data->dev_started ||
internals->active_slave_count == 0) {
bonded_eth_dev->data->dev_link.link_status = 0;
return 0;
} else {
struct rte_eth_dev *slave_eth_dev;
int i, link_up = 0;
for (i = 0; i < internals->active_slave_count; i++) {
slave_eth_dev = &rte_eth_devices[internals->active_slaves[i]];
(*slave_eth_dev->dev_ops->link_update)(slave_eth_dev,
wait_to_complete);
if (slave_eth_dev->data->dev_link.link_status == 1) {
link_up = 1;
break;
}
}
bonded_eth_dev->data->dev_link.link_status = link_up;
}
return 0;
}
static void
bond_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
{
struct bond_dev_private *internals = dev->data->dev_private;
struct rte_eth_stats slave_stats;
int i;
/* clear bonded stats before populating from slaves */
memset(stats, 0, sizeof(*stats));
for (i = 0; i < internals->slave_count; i++) {
rte_eth_stats_get(internals->slaves[i], &slave_stats);
stats->ipackets += slave_stats.ipackets;
stats->opackets += slave_stats.opackets;
stats->ibytes += slave_stats.ibytes;
stats->obytes += slave_stats.obytes;
stats->ierrors += slave_stats.ierrors;
stats->oerrors += slave_stats.oerrors;
stats->imcasts += slave_stats.imcasts;
stats->rx_nombuf += slave_stats.rx_nombuf;
stats->fdirmatch += slave_stats.fdirmatch;
stats->fdirmiss += slave_stats.fdirmiss;
stats->tx_pause_xon += slave_stats.tx_pause_xon;
stats->rx_pause_xon += slave_stats.rx_pause_xon;
stats->tx_pause_xoff += slave_stats.tx_pause_xoff;
stats->rx_pause_xoff += slave_stats.rx_pause_xoff;
}
}
static void
bond_ethdev_stats_reset(struct rte_eth_dev *dev)
{
struct bond_dev_private *internals = dev->data->dev_private;
int i;
for (i = 0; i < internals->slave_count; i++)
rte_eth_stats_reset(internals->slaves[i]);
}
static void
bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev)
{
struct bond_dev_private *internals = eth_dev->data->dev_private;
int i;
internals->promiscuous_en = 1;
switch (internals->mode) {
/* Promiscuous mode is propagated to all slaves */
case BONDING_MODE_ROUND_ROBIN:
case BONDING_MODE_BALANCE:
case BONDING_MODE_BROADCAST:
for (i = 0; i < internals->slave_count; i++)
rte_eth_promiscuous_enable(internals->slaves[i]);
break;
/* Promiscuous mode is propagated only to primary slave */
case BONDING_MODE_ACTIVE_BACKUP:
default:
rte_eth_promiscuous_enable(internals->current_primary_port);
}
}
static void
bond_ethdev_promiscuous_disable(struct rte_eth_dev *dev)
{
struct bond_dev_private *internals = dev->data->dev_private;
int i;
internals->promiscuous_en = 0;
switch (internals->mode) {
/* Promiscuous mode is propagated to all slaves */
case BONDING_MODE_ROUND_ROBIN:
case BONDING_MODE_BALANCE:
case BONDING_MODE_BROADCAST:
for (i = 0; i < internals->slave_count; i++)
rte_eth_promiscuous_disable(internals->slaves[i]);
break;
/* Promiscuous mode is propagated only to primary slave */
case BONDING_MODE_ACTIVE_BACKUP:
default:
rte_eth_promiscuous_disable(internals->current_primary_port);
}
}
void
bond_ethdev_lsc_event_callback(uint8_t port_id, enum rte_eth_event_type type,
void *param)
{
struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
struct bond_dev_private *internals;
struct rte_eth_link link;
int i, valid_slave = 0, active_pos = -1;
if (type != RTE_ETH_EVENT_INTR_LSC || param == NULL)
return;
bonded_eth_dev = &rte_eth_devices[*(uint8_t *)param];
slave_eth_dev = &rte_eth_devices[port_id];
if (valid_bonded_ethdev(bonded_eth_dev))
return;
internals = bonded_eth_dev->data->dev_private;
/* If the device isn't started don't handle interrupts */
if (!bonded_eth_dev->data->dev_started)
return;
/* verify that port_id is a valid slave of bonded port */
for (i = 0; i < internals->slave_count; i++) {
if (internals->slaves[i] == port_id) {
valid_slave = 1;
break;
}
}
if (!valid_slave)
return;
/* Search for port in active port list */
for (i = 0; i < internals->active_slave_count; i++) {
if (port_id == internals->active_slaves[i]) {
active_pos = i;
break;
}
}
rte_eth_link_get_nowait(port_id, &link);
if (link.link_status) {
if (active_pos >= 0)
return;
/* if no active slave ports then set this port to be primary port */
if (internals->active_slave_count < 1) {
/* If first active slave, then change link status */
bonded_eth_dev->data->dev_link.link_status = 1;
internals->current_primary_port = port_id;
/* Inherit eth dev link properties from first active slave */
link_properties_set(bonded_eth_dev,
&(slave_eth_dev->data->dev_link));
}
internals->active_slaves[internals->active_slave_count++] = port_id;
/* If user has defined the primary port then default to using it */
if (internals->user_defined_primary_port &&
internals->primary_port == port_id)
bond_ethdev_primary_set(internals, port_id);
} else {
if (active_pos < 0)
return;
/* Remove from active slave list */
for (i = active_pos; i < (internals->active_slave_count - 1); i++)
internals->active_slaves[i] = internals->active_slaves[i+1];
internals->active_slave_count--;
/* No active slaves, change link status to down and reset other
* link properties */
if (internals->active_slave_count < 1) {
bonded_eth_dev->data->dev_link.link_status = 0;
link_properties_reset(bonded_eth_dev);
}
/* Update primary id, take first active slave from list or if none
* available set to -1 */
if (port_id == internals->current_primary_port) {
if (internals->active_slave_count > 0)
bond_ethdev_primary_set(internals,
internals->active_slaves[0]);
else
internals->current_primary_port = internals->primary_port;
}
}
}
struct eth_dev_ops default_dev_ops = {
.dev_start = bond_ethdev_start,
.dev_stop = bond_ethdev_stop,
.dev_close = bond_ethdev_close,
.dev_configure = bond_ethdev_configure,
.dev_infos_get = bond_ethdev_info,
.rx_queue_setup = bond_ethdev_rx_queue_setup,
.tx_queue_setup = bond_ethdev_tx_queue_setup,
.rx_queue_release = bond_ethdev_rx_queue_release,
.tx_queue_release = bond_ethdev_tx_queue_release,
.link_update = bond_ethdev_link_update,
.stats_get = bond_ethdev_stats_get,
.stats_reset = bond_ethdev_stats_reset,
.promiscuous_enable = bond_ethdev_promiscuous_enable,
.promiscuous_disable = bond_ethdev_promiscuous_disable
};
static int
bond_init(const char *name, const char *params)
{
struct bond_dev_private *internals;
struct rte_kvargs *kvlist;
uint8_t bonding_mode, socket_id;
int arg_count, port_id;
RTE_LOG(INFO, EAL, "Initializing pmd_bond for %s\n", name);
kvlist = rte_kvargs_parse(params, pmd_bond_init_valid_arguments);
if (kvlist == NULL)
return -1;
/* Parse link bonding mode */
if (rte_kvargs_count(kvlist, PMD_BOND_MODE_KVARG) == 1) {
if (rte_kvargs_process(kvlist, PMD_BOND_MODE_KVARG,
&bond_ethdev_parse_slave_mode_kvarg, &bonding_mode) != 0) {
RTE_LOG(ERR, EAL, "Invalid mode for bonded device %s\n", name);
return -1;
}
} else {
RTE_LOG(ERR, EAL,
"Mode must be specified only once for bonded device %s\n",
name);
return -1;
}
/* Parse socket id to create bonding device on */
arg_count = rte_kvargs_count(kvlist, PMD_BOND_SOCKET_ID_KVARG);
if (arg_count == 1) {
if (rte_kvargs_process(kvlist, PMD_BOND_SOCKET_ID_KVARG,
&bond_ethdev_parse_socket_id_kvarg, &socket_id) != 0) {
RTE_LOG(ERR, EAL,
"Invalid socket Id specified for bonded device %s\n",
name);
return -1;
}
} else if (arg_count > 1) {
RTE_LOG(ERR, EAL,
"Socket Id can be specified only once for bonded device %s\n",
name);
return -1;
} else {
socket_id = rte_socket_id();
}
/* Create link bonding eth device */
port_id = rte_eth_bond_create(name, bonding_mode, socket_id);
if (port_id < 0) {
RTE_LOG(ERR, EAL,
"Failed to create socket %s in mode %u on socket %u.\n",
name, bonding_mode, socket_id);
return -1;
}
internals = rte_eth_devices[port_id].data->dev_private;
internals->kvlist = kvlist;
RTE_LOG(INFO, EAL,
"Create bonded device %s on port %d in mode %u on socket %u.\n",
name, port_id, bonding_mode, socket_id);
return 0;
}
/* this part will resolve the slave portids after all the other pdev and vdev
* have been allocated */
static int
bond_ethdev_configure(struct rte_eth_dev *dev)
{
char *name = dev->data->name;
struct bond_dev_private *internals = dev->data->dev_private;
struct rte_kvargs *kvlist = internals->kvlist;
int arg_count, port_id = dev - rte_eth_devices;
/*
* if no kvlist, it means that this bonded device has been created
* through the bonding api.
*/
if (!kvlist)
return 0;
/* Parse MAC address for bonded device */
arg_count = rte_kvargs_count(kvlist, PMD_BOND_MAC_ADDR_KVARG);
if (arg_count == 1) {
struct ether_addr bond_mac;
if (rte_kvargs_process(kvlist, PMD_BOND_MAC_ADDR_KVARG,
&bond_ethdev_parse_bond_mac_addr_kvarg, &bond_mac) < 0) {
RTE_LOG(INFO, EAL, "Invalid mac address for bonded device %s\n",
name);
return -1;
}
/* Set MAC address */
if (rte_eth_bond_mac_address_set(port_id, &bond_mac) != 0) {
RTE_LOG(ERR, EAL,
"Failed to set mac address on bonded device %s\n",
name);
return -1;
}
} else if (arg_count > 1) {
RTE_LOG(ERR, EAL,
"MAC address can be specified only once for bonded device %s\n",
name);
return -1;
}
/* Parse/set balance mode transmit policy */
arg_count = rte_kvargs_count(kvlist, PMD_BOND_XMIT_POLICY_KVARG);
if (arg_count == 1) {
uint8_t xmit_policy;
if (rte_kvargs_process(kvlist, PMD_BOND_XMIT_POLICY_KVARG,
&bond_ethdev_parse_balance_xmit_policy_kvarg, &xmit_policy) !=
0) {
RTE_LOG(INFO, EAL,
"Invalid xmit policy specified for bonded device %s\n",
name);
return -1;
}
/* Set balance mode transmit policy*/
if (rte_eth_bond_xmit_policy_set(port_id, xmit_policy) != 0) {
RTE_LOG(ERR, EAL,
"Failed to set balance xmit policy on bonded device %s\n",
name);
return -1;
}
} else if (arg_count > 1) {
RTE_LOG(ERR, EAL,
"Transmit policy can be specified only once for bonded device %s\n",
name);
return -1;
}
/* Parse/add slave ports to bonded device */
if (rte_kvargs_count(kvlist, PMD_BOND_SLAVE_PORT_KVARG) > 0) {
struct bond_ethdev_slave_ports slave_ports;
unsigned i;
memset(&slave_ports, 0, sizeof(slave_ports));
if (rte_kvargs_process(kvlist, PMD_BOND_SLAVE_PORT_KVARG,
&bond_ethdev_parse_slave_port_kvarg, &slave_ports) != 0) {
RTE_LOG(ERR, EAL,
"Failed to parse slave ports for bonded device %s\n",
name);
return -1;
}
for (i = 0; i < slave_ports.slave_count; i++) {
if (rte_eth_bond_slave_add(port_id, slave_ports.slaves[i]) != 0) {
RTE_LOG(ERR, EAL,
"Failed to add port %d as slave to bonded device %s\n",
slave_ports.slaves[i], name);
}
}
} else {
RTE_LOG(INFO, EAL, "No slaves specified for bonded device %s\n", name);
return -1;
}
/* Parse/set primary slave port id*/
arg_count = rte_kvargs_count(kvlist, PMD_BOND_PRIMARY_SLAVE_KVARG);
if (arg_count == 1) {
uint8_t primary_slave_port_id;
if (rte_kvargs_process(kvlist,
PMD_BOND_PRIMARY_SLAVE_KVARG,
&bond_ethdev_parse_primary_slave_port_id_kvarg,
&primary_slave_port_id) < 0) {
RTE_LOG(INFO, EAL,
"Invalid primary slave port id specified for bonded device %s\n",
name);
return -1;
}
/* Set balance mode transmit policy*/
if (rte_eth_bond_primary_set(port_id, (uint8_t)primary_slave_port_id)
!= 0) {
RTE_LOG(ERR, EAL,
"Failed to set primary slave port %d on bonded device %s\n",
primary_slave_port_id, name);
return -1;
}
} else if (arg_count > 1) {
RTE_LOG(INFO, EAL,
"Primary slave can be specified only once for bonded device %s\n",
name);
return -1;
}
return 0;
}
static struct rte_driver bond_drv = {
.name = "eth_bond",
.type = PMD_VDEV,
.init = bond_init,
};
PMD_REGISTER_DRIVER(bond_drv);