6a6b6828fe
RSS hash configuration is currently ignored by the PMD, this commits removes the RSS feature on promiscuous mode. This functionality will be added in a later commit. Signed-off-by: Nelio Laranjeiro <nelio.laranjeiro@6wind.com> Acked-by: Yongseok Koh <yskoh@mellanox.com>
248 lines
6.3 KiB
C
248 lines
6.3 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright 2015 6WIND S.A.
|
|
* Copyright 2015 Mellanox.
|
|
*
|
|
* 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 6WIND S.A. 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 <unistd.h>
|
|
|
|
#include <rte_ether.h>
|
|
#include <rte_ethdev.h>
|
|
#include <rte_interrupts.h>
|
|
#include <rte_alarm.h>
|
|
|
|
#include "mlx5.h"
|
|
#include "mlx5_rxtx.h"
|
|
#include "mlx5_utils.h"
|
|
|
|
static void
|
|
priv_txq_stop(struct priv *priv)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i != priv->txqs_n; ++i)
|
|
mlx5_priv_txq_release(priv, i);
|
|
}
|
|
|
|
static int
|
|
priv_txq_start(struct priv *priv)
|
|
{
|
|
unsigned int i;
|
|
int ret = 0;
|
|
|
|
/* Add memory regions to Tx queues. */
|
|
for (i = 0; i != priv->txqs_n; ++i) {
|
|
unsigned int idx = 0;
|
|
struct mlx5_mr *mr;
|
|
struct mlx5_txq_ctrl *txq_ctrl = mlx5_priv_txq_get(priv, i);
|
|
|
|
if (!txq_ctrl)
|
|
continue;
|
|
LIST_FOREACH(mr, &priv->mr, next)
|
|
priv_txq_mp2mr_reg(priv, &txq_ctrl->txq, mr->mp, idx++);
|
|
txq_alloc_elts(txq_ctrl);
|
|
txq_ctrl->ibv = mlx5_priv_txq_ibv_new(priv, i);
|
|
if (!txq_ctrl->ibv) {
|
|
ret = ENOMEM;
|
|
goto error;
|
|
}
|
|
}
|
|
return -ret;
|
|
error:
|
|
priv_txq_stop(priv);
|
|
return -ret;
|
|
}
|
|
|
|
static void
|
|
priv_rxq_stop(struct priv *priv)
|
|
{
|
|
unsigned int i;
|
|
|
|
for (i = 0; i != priv->rxqs_n; ++i)
|
|
mlx5_priv_rxq_release(priv, i);
|
|
}
|
|
|
|
static int
|
|
priv_rxq_start(struct priv *priv)
|
|
{
|
|
unsigned int i;
|
|
int ret = 0;
|
|
|
|
for (i = 0; i != priv->rxqs_n; ++i) {
|
|
struct mlx5_rxq_ctrl *rxq_ctrl = mlx5_priv_rxq_get(priv, i);
|
|
|
|
if (!rxq_ctrl)
|
|
continue;
|
|
ret = rxq_alloc_elts(rxq_ctrl);
|
|
if (ret)
|
|
goto error;
|
|
rxq_ctrl->ibv = mlx5_priv_rxq_ibv_new(priv, i);
|
|
if (!rxq_ctrl->ibv) {
|
|
ret = ENOMEM;
|
|
goto error;
|
|
}
|
|
}
|
|
return -ret;
|
|
error:
|
|
priv_rxq_stop(priv);
|
|
return -ret;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to start the device.
|
|
*
|
|
* Simulate device start by attaching all configured flows.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
*
|
|
* @return
|
|
* 0 on success, negative errno value on failure.
|
|
*/
|
|
int
|
|
mlx5_dev_start(struct rte_eth_dev *dev)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
struct mlx5_mr *mr = NULL;
|
|
int err;
|
|
|
|
if (mlx5_is_secondary())
|
|
return -E_RTE_SECONDARY;
|
|
|
|
priv_lock(priv);
|
|
DEBUG("%p: allocating and configuring hash RX queues", (void *)dev);
|
|
rte_mempool_walk(mlx5_mp2mr_iter, priv);
|
|
err = priv_txq_start(priv);
|
|
if (err) {
|
|
ERROR("%p: TXQ allocation failed: %s",
|
|
(void *)dev, strerror(err));
|
|
goto error;
|
|
}
|
|
/* Update send callback. */
|
|
priv_dev_select_tx_function(priv, dev);
|
|
err = priv_rxq_start(priv);
|
|
if (err) {
|
|
ERROR("%p: RXQ allocation failed: %s",
|
|
(void *)dev, strerror(err));
|
|
goto error;
|
|
}
|
|
/* Update receive callback. */
|
|
priv_dev_select_rx_function(priv, dev);
|
|
err = priv_create_hash_rxqs(priv);
|
|
if (!err)
|
|
err = priv_rehash_flows(priv);
|
|
else {
|
|
ERROR("%p: an error occurred while configuring hash RX queues:"
|
|
" %s",
|
|
(void *)priv, strerror(err));
|
|
goto error;
|
|
}
|
|
if (dev->data->promiscuous)
|
|
mlx5_promiscuous_enable(dev);
|
|
else if (dev->data->all_multicast)
|
|
mlx5_allmulticast_enable(dev);
|
|
err = priv_flow_start(priv, &priv->ctrl_flows);
|
|
if (err) {
|
|
ERROR("%p: an error occurred while configuring control flows:"
|
|
" %s",
|
|
(void *)priv, strerror(err));
|
|
goto error;
|
|
}
|
|
err = priv_flow_start(priv, &priv->flows);
|
|
if (err) {
|
|
ERROR("%p: an error occurred while configuring flows:"
|
|
" %s",
|
|
(void *)priv, strerror(err));
|
|
goto error;
|
|
}
|
|
err = priv_rx_intr_vec_enable(priv);
|
|
if (err) {
|
|
ERROR("%p: RX interrupt vector creation failed",
|
|
(void *)priv);
|
|
goto error;
|
|
}
|
|
priv_dev_interrupt_handler_install(priv, dev);
|
|
priv_xstats_init(priv);
|
|
priv_unlock(priv);
|
|
return 0;
|
|
error:
|
|
/* Rollback. */
|
|
LIST_FOREACH(mr, &priv->mr, next)
|
|
priv_mr_release(priv, mr);
|
|
priv_special_flow_disable_all(priv);
|
|
priv_mac_addrs_disable(priv);
|
|
priv_destroy_hash_rxqs(priv);
|
|
priv_flow_stop(priv, &priv->flows);
|
|
priv_flow_flush(priv, &priv->ctrl_flows);
|
|
priv_rxq_stop(priv);
|
|
priv_txq_stop(priv);
|
|
priv_unlock(priv);
|
|
return -err;
|
|
}
|
|
|
|
/**
|
|
* DPDK callback to stop the device.
|
|
*
|
|
* Simulate device stop by detaching all configured flows.
|
|
*
|
|
* @param dev
|
|
* Pointer to Ethernet device structure.
|
|
*/
|
|
void
|
|
mlx5_dev_stop(struct rte_eth_dev *dev)
|
|
{
|
|
struct priv *priv = dev->data->dev_private;
|
|
struct mlx5_mr *mr;
|
|
|
|
if (mlx5_is_secondary())
|
|
return;
|
|
|
|
priv_lock(priv);
|
|
dev->data->dev_started = 0;
|
|
/* Prevent crashes when queues are still in use. */
|
|
dev->rx_pkt_burst = removed_rx_burst;
|
|
dev->tx_pkt_burst = removed_tx_burst;
|
|
rte_wmb();
|
|
usleep(1000 * priv->rxqs_n);
|
|
DEBUG("%p: cleaning up and destroying hash RX queues", (void *)dev);
|
|
priv_special_flow_disable_all(priv);
|
|
priv_mac_addrs_disable(priv);
|
|
priv_destroy_hash_rxqs(priv);
|
|
priv_flow_stop(priv, &priv->flows);
|
|
priv_flow_flush(priv, &priv->ctrl_flows);
|
|
priv_rx_intr_vec_disable(priv);
|
|
priv_dev_interrupt_handler_uninstall(priv, dev);
|
|
priv_txq_stop(priv);
|
|
priv_rxq_stop(priv);
|
|
LIST_FOREACH(mr, &priv->mr, next) {
|
|
priv_mr_release(priv, mr);
|
|
}
|
|
priv_unlock(priv);
|
|
}
|