-/*-
- * 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.
+/* SPDX-License-Identifier: BSD-3-Clause
+ * Copyright 2015 6WIND S.A.
+ * Copyright 2015 Mellanox Technologies, Ltd
*/
+
#include <unistd.h>
#include <rte_ether.h>
-#include <rte_ethdev_driver.h>
+#include <ethdev_driver.h>
#include <rte_interrupts.h>
#include <rte_alarm.h>
+#include <rte_cycles.h>
+
+#include <mlx5_malloc.h>
#include "mlx5.h"
-#include "mlx5_rxtx.h"
+#include "mlx5_mr.h"
+#include "mlx5_rx.h"
+#include "mlx5_tx.h"
#include "mlx5_utils.h"
+#include "rte_pmd_mlx5.h"
+/**
+ * Stop traffic on Tx queues.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
static void
-priv_txq_stop(struct priv *priv)
+mlx5_txq_stop(struct rte_eth_dev *dev)
{
+ struct mlx5_priv *priv = dev->data->dev_private;
unsigned int i;
for (i = 0; i != priv->txqs_n; ++i)
- mlx5_priv_txq_release(priv, i);
+ mlx5_txq_release(dev, i);
}
+/**
+ * Start traffic on Tx queues.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
static int
-priv_txq_start(struct priv *priv)
+mlx5_txq_start(struct rte_eth_dev *dev)
{
+ struct mlx5_priv *priv = dev->data->dev_private;
unsigned int i;
- int ret = 0;
+ int ret;
- /* 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);
+ struct mlx5_txq_ctrl *txq_ctrl = mlx5_txq_get(dev, i);
+ struct mlx5_txq_data *txq_data = &txq_ctrl->txq;
+ uint32_t flags = MLX5_MEM_RTE | MLX5_MEM_ZERO;
if (!txq_ctrl)
continue;
- LIST_FOREACH(mr, &priv->mr, next) {
- priv_txq_mp2mr_reg(priv, &txq_ctrl->txq, mr->mp, idx++);
- if (idx == MLX5_PMD_TX_MP_CACHE)
- break;
- }
- txq_alloc_elts(txq_ctrl);
- txq_ctrl->ibv = mlx5_priv_txq_ibv_new(priv, i);
- if (!txq_ctrl->ibv) {
- ret = ENOMEM;
+ if (txq_ctrl->type == MLX5_TXQ_TYPE_STANDARD)
+ txq_alloc_elts(txq_ctrl);
+ MLX5_ASSERT(!txq_ctrl->obj);
+ txq_ctrl->obj = mlx5_malloc(flags, sizeof(struct mlx5_txq_obj),
+ 0, txq_ctrl->socket);
+ if (!txq_ctrl->obj) {
+ DRV_LOG(ERR, "Port %u Tx queue %u cannot allocate "
+ "memory resources.", dev->data->port_id,
+ txq_data->idx);
+ rte_errno = ENOMEM;
goto error;
}
+ ret = priv->obj_ops.txq_obj_new(dev, i);
+ if (ret < 0) {
+ mlx5_free(txq_ctrl->obj);
+ txq_ctrl->obj = NULL;
+ goto error;
+ }
+ if (txq_ctrl->type == MLX5_TXQ_TYPE_STANDARD) {
+ size_t size = txq_data->cqe_s * sizeof(*txq_data->fcqs);
+
+ txq_data->fcqs = mlx5_malloc(flags, size,
+ RTE_CACHE_LINE_SIZE,
+ txq_ctrl->socket);
+ if (!txq_data->fcqs) {
+ DRV_LOG(ERR, "Port %u Tx queue %u cannot "
+ "allocate memory (FCQ).",
+ dev->data->port_id, i);
+ rte_errno = ENOMEM;
+ goto error;
+ }
+ }
+ DRV_LOG(DEBUG, "Port %u txq %u updated with %p.",
+ dev->data->port_id, i, (void *)&txq_ctrl->obj);
+ LIST_INSERT_HEAD(&priv->txqsobj, txq_ctrl->obj, next);
}
- ret = priv_tx_uar_remap(priv, priv->ctx->cmd_fd);
- if (ret)
- goto error;
- return ret;
+ return 0;
error:
- priv_txq_stop(priv);
- return ret;
+ ret = rte_errno; /* Save rte_errno before cleanup. */
+ do {
+ mlx5_txq_release(dev, i);
+ } while (i-- != 0);
+ rte_errno = ret; /* Restore rte_errno. */
+ return -rte_errno;
}
+/**
+ * Translate the chunk address to MR key in order to put in into the cache.
+ */
static void
-priv_rxq_stop(struct priv *priv)
+mlx5_rxq_mempool_register_cb(struct rte_mempool *mp, void *opaque,
+ struct rte_mempool_memhdr *memhdr,
+ unsigned int idx)
+{
+ struct mlx5_rxq_data *rxq = opaque;
+
+ RTE_SET_USED(mp);
+ RTE_SET_USED(idx);
+ mlx5_rx_addr2mr(rxq, (uintptr_t)memhdr->addr);
+}
+
+/**
+ * Register Rx queue mempools and fill the Rx queue cache.
+ * This function tolerates repeated mempool registration.
+ *
+ * @param[in] rxq_ctrl
+ * Rx queue control data.
+ *
+ * @return
+ * 0 on success, (-1) on failure and rte_errno is set.
+ */
+static int
+mlx5_rxq_mempool_register(struct mlx5_rxq_ctrl *rxq_ctrl)
{
+ struct mlx5_priv *priv = rxq_ctrl->priv;
+ struct rte_mempool *mp;
+ uint32_t s;
+ int ret = 0;
+
+ mlx5_mr_flush_local_cache(&rxq_ctrl->rxq.mr_ctrl);
+ /* MPRQ mempool is registered on creation, just fill the cache. */
+ if (mlx5_rxq_mprq_enabled(&rxq_ctrl->rxq)) {
+ rte_mempool_mem_iter(rxq_ctrl->rxq.mprq_mp,
+ mlx5_rxq_mempool_register_cb,
+ &rxq_ctrl->rxq);
+ return 0;
+ }
+ for (s = 0; s < rxq_ctrl->rxq.rxseg_n; s++) {
+ mp = rxq_ctrl->rxq.rxseg[s].mp;
+ ret = mlx5_mr_mempool_register(&priv->sh->share_cache,
+ priv->sh->cdev->pd, mp,
+ &priv->mp_id);
+ if (ret < 0 && rte_errno != EEXIST)
+ return ret;
+ rte_mempool_mem_iter(mp, mlx5_rxq_mempool_register_cb,
+ &rxq_ctrl->rxq);
+ }
+ return 0;
+}
+
+/**
+ * Stop traffic on Rx queues.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ */
+static void
+mlx5_rxq_stop(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
unsigned int i;
for (i = 0; i != priv->rxqs_n; ++i)
- mlx5_priv_rxq_release(priv, i);
+ mlx5_rxq_release(dev, i);
}
+/**
+ * Start traffic on Rx queues.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
static int
-priv_rxq_start(struct priv *priv)
+mlx5_rxq_start(struct rte_eth_dev *dev)
{
+ struct mlx5_priv *priv = dev->data->dev_private;
unsigned int i;
int ret = 0;
+ /* Allocate/reuse/resize mempool for Multi-Packet RQ. */
+ if (mlx5_mprq_alloc_mp(dev)) {
+ /* Should not release Rx queues but return immediately. */
+ return -rte_errno;
+ }
+ DRV_LOG(DEBUG, "Port %u device_attr.max_qp_wr is %d.",
+ dev->data->port_id, priv->sh->device_attr.max_qp_wr);
+ DRV_LOG(DEBUG, "Port %u device_attr.max_sge is %d.",
+ dev->data->port_id, priv->sh->device_attr.max_sge);
for (i = 0; i != priv->rxqs_n; ++i) {
- struct mlx5_rxq_ctrl *rxq_ctrl = mlx5_priv_rxq_get(priv, i);
+ struct mlx5_rxq_ctrl *rxq_ctrl = mlx5_rxq_get(dev, i);
if (!rxq_ctrl)
continue;
- ret = rxq_alloc_elts(rxq_ctrl);
+ if (rxq_ctrl->type == MLX5_RXQ_TYPE_STANDARD) {
+ /*
+ * Pre-register the mempools. Regardless of whether
+ * the implicit registration is enabled or not,
+ * Rx mempool destruction is tracked to free MRs.
+ */
+ if (mlx5_rxq_mempool_register(rxq_ctrl) < 0)
+ goto error;
+ ret = rxq_alloc_elts(rxq_ctrl);
+ if (ret)
+ goto error;
+ }
+ MLX5_ASSERT(!rxq_ctrl->obj);
+ rxq_ctrl->obj = mlx5_malloc(MLX5_MEM_RTE | MLX5_MEM_ZERO,
+ sizeof(*rxq_ctrl->obj), 0,
+ rxq_ctrl->socket);
+ if (!rxq_ctrl->obj) {
+ DRV_LOG(ERR,
+ "Port %u Rx queue %u can't allocate resources.",
+ dev->data->port_id, (*priv->rxqs)[i]->idx);
+ rte_errno = ENOMEM;
+ goto error;
+ }
+ ret = priv->obj_ops.rxq_obj_new(dev, i);
+ if (ret) {
+ mlx5_free(rxq_ctrl->obj);
+ goto error;
+ }
+ DRV_LOG(DEBUG, "Port %u rxq %u updated with %p.",
+ dev->data->port_id, i, (void *)&rxq_ctrl->obj);
+ LIST_INSERT_HEAD(&priv->rxqsobj, rxq_ctrl->obj, next);
+ }
+ return 0;
+error:
+ ret = rte_errno; /* Save rte_errno before cleanup. */
+ do {
+ mlx5_rxq_release(dev, i);
+ } while (i-- != 0);
+ rte_errno = ret; /* Restore rte_errno. */
+ return -rte_errno;
+}
+
+/**
+ * Binds Tx queues to Rx queues for hairpin.
+ *
+ * Binds Tx queues to the target Rx queues.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_hairpin_auto_bind(struct rte_eth_dev *dev)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_devx_modify_sq_attr sq_attr = { 0 };
+ struct mlx5_devx_modify_rq_attr rq_attr = { 0 };
+ struct mlx5_txq_ctrl *txq_ctrl;
+ struct mlx5_rxq_ctrl *rxq_ctrl;
+ struct mlx5_devx_obj *sq;
+ struct mlx5_devx_obj *rq;
+ unsigned int i;
+ int ret = 0;
+ bool need_auto = false;
+ uint16_t self_port = dev->data->port_id;
+
+ for (i = 0; i != priv->txqs_n; ++i) {
+ txq_ctrl = mlx5_txq_get(dev, i);
+ if (!txq_ctrl)
+ continue;
+ if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN ||
+ txq_ctrl->hairpin_conf.peers[0].port != self_port) {
+ mlx5_txq_release(dev, i);
+ continue;
+ }
+ if (txq_ctrl->hairpin_conf.manual_bind) {
+ mlx5_txq_release(dev, i);
+ return 0;
+ }
+ need_auto = true;
+ mlx5_txq_release(dev, i);
+ }
+ if (!need_auto)
+ return 0;
+ for (i = 0; i != priv->txqs_n; ++i) {
+ txq_ctrl = mlx5_txq_get(dev, i);
+ if (!txq_ctrl)
+ continue;
+ /* Skip hairpin queues with other peer ports. */
+ if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN ||
+ txq_ctrl->hairpin_conf.peers[0].port != self_port) {
+ mlx5_txq_release(dev, i);
+ continue;
+ }
+ if (!txq_ctrl->obj) {
+ rte_errno = ENOMEM;
+ DRV_LOG(ERR, "port %u no txq object found: %d",
+ dev->data->port_id, i);
+ mlx5_txq_release(dev, i);
+ return -rte_errno;
+ }
+ sq = txq_ctrl->obj->sq;
+ rxq_ctrl = mlx5_rxq_get(dev,
+ txq_ctrl->hairpin_conf.peers[0].queue);
+ if (!rxq_ctrl) {
+ mlx5_txq_release(dev, i);
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u no rxq object found: %d",
+ dev->data->port_id,
+ txq_ctrl->hairpin_conf.peers[0].queue);
+ return -rte_errno;
+ }
+ if (rxq_ctrl->type != MLX5_RXQ_TYPE_HAIRPIN ||
+ rxq_ctrl->hairpin_conf.peers[0].queue != i) {
+ rte_errno = ENOMEM;
+ DRV_LOG(ERR, "port %u Tx queue %d can't be binded to "
+ "Rx queue %d", dev->data->port_id,
+ i, txq_ctrl->hairpin_conf.peers[0].queue);
+ goto error;
+ }
+ rq = rxq_ctrl->obj->rq;
+ if (!rq) {
+ rte_errno = ENOMEM;
+ DRV_LOG(ERR, "port %u hairpin no matching rxq: %d",
+ dev->data->port_id,
+ txq_ctrl->hairpin_conf.peers[0].queue);
+ goto error;
+ }
+ sq_attr.state = MLX5_SQC_STATE_RDY;
+ sq_attr.sq_state = MLX5_SQC_STATE_RST;
+ sq_attr.hairpin_peer_rq = rq->id;
+ sq_attr.hairpin_peer_vhca = priv->config.hca_attr.vhca_id;
+ ret = mlx5_devx_cmd_modify_sq(sq, &sq_attr);
if (ret)
goto error;
- rxq_ctrl->ibv = mlx5_priv_rxq_ibv_new(priv, i);
- if (!rxq_ctrl->ibv) {
- ret = ENOMEM;
+ rq_attr.state = MLX5_SQC_STATE_RDY;
+ rq_attr.rq_state = MLX5_SQC_STATE_RST;
+ rq_attr.hairpin_peer_sq = sq->id;
+ rq_attr.hairpin_peer_vhca = priv->config.hca_attr.vhca_id;
+ ret = mlx5_devx_cmd_modify_rq(rq, &rq_attr);
+ if (ret)
goto error;
+ /* Qs with auto-bind will be destroyed directly. */
+ rxq_ctrl->hairpin_status = 1;
+ txq_ctrl->hairpin_status = 1;
+ mlx5_txq_release(dev, i);
+ mlx5_rxq_release(dev, txq_ctrl->hairpin_conf.peers[0].queue);
+ }
+ return 0;
+error:
+ mlx5_txq_release(dev, i);
+ mlx5_rxq_release(dev, txq_ctrl->hairpin_conf.peers[0].queue);
+ return -rte_errno;
+}
+
+/*
+ * Fetch the peer queue's SW & HW information.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param peer_queue
+ * Index of the queue to fetch the information.
+ * @param current_info
+ * Pointer to the input peer information, not used currently.
+ * @param peer_info
+ * Pointer to the structure to store the information, output.
+ * @param direction
+ * Positive to get the RxQ information, zero to get the TxQ information.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_hairpin_queue_peer_update(struct rte_eth_dev *dev, uint16_t peer_queue,
+ struct rte_hairpin_peer_info *current_info,
+ struct rte_hairpin_peer_info *peer_info,
+ uint32_t direction)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ RTE_SET_USED(current_info);
+
+ if (dev->data->dev_started == 0) {
+ rte_errno = EBUSY;
+ DRV_LOG(ERR, "peer port %u is not started",
+ dev->data->port_id);
+ return -rte_errno;
+ }
+ /*
+ * Peer port used as egress. In the current design, hairpin Tx queue
+ * will be bound to the peer Rx queue. Indeed, only the information of
+ * peer Rx queue needs to be fetched.
+ */
+ if (direction == 0) {
+ struct mlx5_txq_ctrl *txq_ctrl;
+
+ txq_ctrl = mlx5_txq_get(dev, peer_queue);
+ if (txq_ctrl == NULL) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "Failed to get port %u Tx queue %d",
+ dev->data->port_id, peer_queue);
+ return -rte_errno;
+ }
+ if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u queue %d is not a hairpin Txq",
+ dev->data->port_id, peer_queue);
+ mlx5_txq_release(dev, peer_queue);
+ return -rte_errno;
+ }
+ if (txq_ctrl->obj == NULL || txq_ctrl->obj->sq == NULL) {
+ rte_errno = ENOMEM;
+ DRV_LOG(ERR, "port %u no Txq object found: %d",
+ dev->data->port_id, peer_queue);
+ mlx5_txq_release(dev, peer_queue);
+ return -rte_errno;
+ }
+ peer_info->qp_id = txq_ctrl->obj->sq->id;
+ peer_info->vhca_id = priv->config.hca_attr.vhca_id;
+ /* 1-to-1 mapping, only the first one is used. */
+ peer_info->peer_q = txq_ctrl->hairpin_conf.peers[0].queue;
+ peer_info->tx_explicit = txq_ctrl->hairpin_conf.tx_explicit;
+ peer_info->manual_bind = txq_ctrl->hairpin_conf.manual_bind;
+ mlx5_txq_release(dev, peer_queue);
+ } else { /* Peer port used as ingress. */
+ struct mlx5_rxq_ctrl *rxq_ctrl;
+
+ rxq_ctrl = mlx5_rxq_get(dev, peer_queue);
+ if (rxq_ctrl == NULL) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "Failed to get port %u Rx queue %d",
+ dev->data->port_id, peer_queue);
+ return -rte_errno;
}
+ if (rxq_ctrl->type != MLX5_RXQ_TYPE_HAIRPIN) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u queue %d is not a hairpin Rxq",
+ dev->data->port_id, peer_queue);
+ mlx5_rxq_release(dev, peer_queue);
+ return -rte_errno;
+ }
+ if (rxq_ctrl->obj == NULL || rxq_ctrl->obj->rq == NULL) {
+ rte_errno = ENOMEM;
+ DRV_LOG(ERR, "port %u no Rxq object found: %d",
+ dev->data->port_id, peer_queue);
+ mlx5_rxq_release(dev, peer_queue);
+ return -rte_errno;
+ }
+ peer_info->qp_id = rxq_ctrl->obj->rq->id;
+ peer_info->vhca_id = priv->config.hca_attr.vhca_id;
+ peer_info->peer_q = rxq_ctrl->hairpin_conf.peers[0].queue;
+ peer_info->tx_explicit = rxq_ctrl->hairpin_conf.tx_explicit;
+ peer_info->manual_bind = rxq_ctrl->hairpin_conf.manual_bind;
+ mlx5_rxq_release(dev, peer_queue);
}
- return -ret;
+ return 0;
+}
+
+/*
+ * Bind the hairpin queue with the peer HW information.
+ * This needs to be called twice both for Tx and Rx queues of a pair.
+ * If the queue is already bound, it is considered successful.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param cur_queue
+ * Index of the queue to change the HW configuration to bind.
+ * @param peer_info
+ * Pointer to information of the peer queue.
+ * @param direction
+ * Positive to configure the TxQ, zero to configure the RxQ.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_hairpin_queue_peer_bind(struct rte_eth_dev *dev, uint16_t cur_queue,
+ struct rte_hairpin_peer_info *peer_info,
+ uint32_t direction)
+{
+ int ret = 0;
+
+ /*
+ * Consistency checking of the peer queue: opposite direction is used
+ * to get the peer queue info with ethdev port ID, no need to check.
+ */
+ if (peer_info->peer_q != cur_queue) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u queue %d and peer queue %d mismatch",
+ dev->data->port_id, cur_queue, peer_info->peer_q);
+ return -rte_errno;
+ }
+ if (direction != 0) {
+ struct mlx5_txq_ctrl *txq_ctrl;
+ struct mlx5_devx_modify_sq_attr sq_attr = { 0 };
+
+ txq_ctrl = mlx5_txq_get(dev, cur_queue);
+ if (txq_ctrl == NULL) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "Failed to get port %u Tx queue %d",
+ dev->data->port_id, cur_queue);
+ return -rte_errno;
+ }
+ if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u queue %d not a hairpin Txq",
+ dev->data->port_id, cur_queue);
+ mlx5_txq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ if (txq_ctrl->obj == NULL || txq_ctrl->obj->sq == NULL) {
+ rte_errno = ENOMEM;
+ DRV_LOG(ERR, "port %u no Txq object found: %d",
+ dev->data->port_id, cur_queue);
+ mlx5_txq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ if (txq_ctrl->hairpin_status != 0) {
+ DRV_LOG(DEBUG, "port %u Tx queue %d is already bound",
+ dev->data->port_id, cur_queue);
+ mlx5_txq_release(dev, cur_queue);
+ return 0;
+ }
+ /*
+ * All queues' of one port consistency checking is done in the
+ * bind() function, and that is optional.
+ */
+ if (peer_info->tx_explicit !=
+ txq_ctrl->hairpin_conf.tx_explicit) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u Tx queue %d and peer Tx rule mode"
+ " mismatch", dev->data->port_id, cur_queue);
+ mlx5_txq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ if (peer_info->manual_bind !=
+ txq_ctrl->hairpin_conf.manual_bind) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u Tx queue %d and peer binding mode"
+ " mismatch", dev->data->port_id, cur_queue);
+ mlx5_txq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ sq_attr.state = MLX5_SQC_STATE_RDY;
+ sq_attr.sq_state = MLX5_SQC_STATE_RST;
+ sq_attr.hairpin_peer_rq = peer_info->qp_id;
+ sq_attr.hairpin_peer_vhca = peer_info->vhca_id;
+ ret = mlx5_devx_cmd_modify_sq(txq_ctrl->obj->sq, &sq_attr);
+ if (ret == 0)
+ txq_ctrl->hairpin_status = 1;
+ mlx5_txq_release(dev, cur_queue);
+ } else {
+ struct mlx5_rxq_ctrl *rxq_ctrl;
+ struct mlx5_devx_modify_rq_attr rq_attr = { 0 };
+
+ rxq_ctrl = mlx5_rxq_get(dev, cur_queue);
+ if (rxq_ctrl == NULL) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "Failed to get port %u Rx queue %d",
+ dev->data->port_id, cur_queue);
+ return -rte_errno;
+ }
+ if (rxq_ctrl->type != MLX5_RXQ_TYPE_HAIRPIN) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u queue %d not a hairpin Rxq",
+ dev->data->port_id, cur_queue);
+ mlx5_rxq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ if (rxq_ctrl->obj == NULL || rxq_ctrl->obj->rq == NULL) {
+ rte_errno = ENOMEM;
+ DRV_LOG(ERR, "port %u no Rxq object found: %d",
+ dev->data->port_id, cur_queue);
+ mlx5_rxq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ if (rxq_ctrl->hairpin_status != 0) {
+ DRV_LOG(DEBUG, "port %u Rx queue %d is already bound",
+ dev->data->port_id, cur_queue);
+ mlx5_rxq_release(dev, cur_queue);
+ return 0;
+ }
+ if (peer_info->tx_explicit !=
+ rxq_ctrl->hairpin_conf.tx_explicit) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u Rx queue %d and peer Tx rule mode"
+ " mismatch", dev->data->port_id, cur_queue);
+ mlx5_rxq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ if (peer_info->manual_bind !=
+ rxq_ctrl->hairpin_conf.manual_bind) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u Rx queue %d and peer binding mode"
+ " mismatch", dev->data->port_id, cur_queue);
+ mlx5_rxq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ rq_attr.state = MLX5_SQC_STATE_RDY;
+ rq_attr.rq_state = MLX5_SQC_STATE_RST;
+ rq_attr.hairpin_peer_sq = peer_info->qp_id;
+ rq_attr.hairpin_peer_vhca = peer_info->vhca_id;
+ ret = mlx5_devx_cmd_modify_rq(rxq_ctrl->obj->rq, &rq_attr);
+ if (ret == 0)
+ rxq_ctrl->hairpin_status = 1;
+ mlx5_rxq_release(dev, cur_queue);
+ }
+ return ret;
+}
+
+/*
+ * Unbind the hairpin queue and reset its HW configuration.
+ * This needs to be called twice both for Tx and Rx queues of a pair.
+ * If the queue is already unbound, it is considered successful.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param cur_queue
+ * Index of the queue to change the HW configuration to unbind.
+ * @param direction
+ * Positive to reset the TxQ, zero to reset the RxQ.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_hairpin_queue_peer_unbind(struct rte_eth_dev *dev, uint16_t cur_queue,
+ uint32_t direction)
+{
+ int ret = 0;
+
+ if (direction != 0) {
+ struct mlx5_txq_ctrl *txq_ctrl;
+ struct mlx5_devx_modify_sq_attr sq_attr = { 0 };
+
+ txq_ctrl = mlx5_txq_get(dev, cur_queue);
+ if (txq_ctrl == NULL) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "Failed to get port %u Tx queue %d",
+ dev->data->port_id, cur_queue);
+ return -rte_errno;
+ }
+ if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u queue %d not a hairpin Txq",
+ dev->data->port_id, cur_queue);
+ mlx5_txq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ /* Already unbound, return success before obj checking. */
+ if (txq_ctrl->hairpin_status == 0) {
+ DRV_LOG(DEBUG, "port %u Tx queue %d is already unbound",
+ dev->data->port_id, cur_queue);
+ mlx5_txq_release(dev, cur_queue);
+ return 0;
+ }
+ if (!txq_ctrl->obj || !txq_ctrl->obj->sq) {
+ rte_errno = ENOMEM;
+ DRV_LOG(ERR, "port %u no Txq object found: %d",
+ dev->data->port_id, cur_queue);
+ mlx5_txq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ sq_attr.state = MLX5_SQC_STATE_RST;
+ sq_attr.sq_state = MLX5_SQC_STATE_RST;
+ ret = mlx5_devx_cmd_modify_sq(txq_ctrl->obj->sq, &sq_attr);
+ if (ret == 0)
+ txq_ctrl->hairpin_status = 0;
+ mlx5_txq_release(dev, cur_queue);
+ } else {
+ struct mlx5_rxq_ctrl *rxq_ctrl;
+ struct mlx5_devx_modify_rq_attr rq_attr = { 0 };
+
+ rxq_ctrl = mlx5_rxq_get(dev, cur_queue);
+ if (rxq_ctrl == NULL) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "Failed to get port %u Rx queue %d",
+ dev->data->port_id, cur_queue);
+ return -rte_errno;
+ }
+ if (rxq_ctrl->type != MLX5_RXQ_TYPE_HAIRPIN) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u queue %d not a hairpin Rxq",
+ dev->data->port_id, cur_queue);
+ mlx5_rxq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ if (rxq_ctrl->hairpin_status == 0) {
+ DRV_LOG(DEBUG, "port %u Rx queue %d is already unbound",
+ dev->data->port_id, cur_queue);
+ mlx5_rxq_release(dev, cur_queue);
+ return 0;
+ }
+ if (rxq_ctrl->obj == NULL || rxq_ctrl->obj->rq == NULL) {
+ rte_errno = ENOMEM;
+ DRV_LOG(ERR, "port %u no Rxq object found: %d",
+ dev->data->port_id, cur_queue);
+ mlx5_rxq_release(dev, cur_queue);
+ return -rte_errno;
+ }
+ rq_attr.state = MLX5_SQC_STATE_RST;
+ rq_attr.rq_state = MLX5_SQC_STATE_RST;
+ ret = mlx5_devx_cmd_modify_rq(rxq_ctrl->obj->rq, &rq_attr);
+ if (ret == 0)
+ rxq_ctrl->hairpin_status = 0;
+ mlx5_rxq_release(dev, cur_queue);
+ }
+ return ret;
+}
+
+/*
+ * Bind the hairpin port pairs, from the Tx to the peer Rx.
+ * This function only supports to bind the Tx to one Rx.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param rx_port
+ * Port identifier of the Rx port.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_hairpin_bind_single_port(struct rte_eth_dev *dev, uint16_t rx_port)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ int ret = 0;
+ struct mlx5_txq_ctrl *txq_ctrl;
+ uint32_t i;
+ struct rte_hairpin_peer_info peer = {0xffffff};
+ struct rte_hairpin_peer_info cur;
+ const struct rte_eth_hairpin_conf *conf;
+ uint16_t num_q = 0;
+ uint16_t local_port = priv->dev_data->port_id;
+ uint32_t manual;
+ uint32_t explicit;
+ uint16_t rx_queue;
+
+ if (mlx5_eth_find_next(rx_port, dev->device) != rx_port) {
+ rte_errno = ENODEV;
+ DRV_LOG(ERR, "Rx port %u does not belong to mlx5", rx_port);
+ return -rte_errno;
+ }
+ /*
+ * Before binding TxQ to peer RxQ, first round loop will be used for
+ * checking the queues' configuration consistency. This would be a
+ * little time consuming but better than doing the rollback.
+ */
+ for (i = 0; i != priv->txqs_n; i++) {
+ txq_ctrl = mlx5_txq_get(dev, i);
+ if (txq_ctrl == NULL)
+ continue;
+ if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN) {
+ mlx5_txq_release(dev, i);
+ continue;
+ }
+ /*
+ * All hairpin Tx queues of a single port that connected to the
+ * same peer Rx port should have the same "auto binding" and
+ * "implicit Tx flow" modes.
+ * Peer consistency checking will be done in per queue binding.
+ */
+ conf = &txq_ctrl->hairpin_conf;
+ if (conf->peers[0].port == rx_port) {
+ if (num_q == 0) {
+ manual = conf->manual_bind;
+ explicit = conf->tx_explicit;
+ } else {
+ if (manual != conf->manual_bind ||
+ explicit != conf->tx_explicit) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u queue %d mode"
+ " mismatch: %u %u, %u %u",
+ local_port, i, manual,
+ conf->manual_bind, explicit,
+ conf->tx_explicit);
+ mlx5_txq_release(dev, i);
+ return -rte_errno;
+ }
+ }
+ num_q++;
+ }
+ mlx5_txq_release(dev, i);
+ }
+ /* Once no queue is configured, success is returned directly. */
+ if (num_q == 0)
+ return ret;
+ /* All the hairpin TX queues need to be traversed again. */
+ for (i = 0; i != priv->txqs_n; i++) {
+ txq_ctrl = mlx5_txq_get(dev, i);
+ if (txq_ctrl == NULL)
+ continue;
+ if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN) {
+ mlx5_txq_release(dev, i);
+ continue;
+ }
+ if (txq_ctrl->hairpin_conf.peers[0].port != rx_port) {
+ mlx5_txq_release(dev, i);
+ continue;
+ }
+ rx_queue = txq_ctrl->hairpin_conf.peers[0].queue;
+ /*
+ * Fetch peer RxQ's information.
+ * No need to pass the information of the current queue.
+ */
+ ret = rte_eth_hairpin_queue_peer_update(rx_port, rx_queue,
+ NULL, &peer, 1);
+ if (ret != 0) {
+ mlx5_txq_release(dev, i);
+ goto error;
+ }
+ /* Accessing its own device, inside mlx5 PMD. */
+ ret = mlx5_hairpin_queue_peer_bind(dev, i, &peer, 1);
+ if (ret != 0) {
+ mlx5_txq_release(dev, i);
+ goto error;
+ }
+ /* Pass TxQ's information to peer RxQ and try binding. */
+ cur.peer_q = rx_queue;
+ cur.qp_id = txq_ctrl->obj->sq->id;
+ cur.vhca_id = priv->config.hca_attr.vhca_id;
+ cur.tx_explicit = txq_ctrl->hairpin_conf.tx_explicit;
+ cur.manual_bind = txq_ctrl->hairpin_conf.manual_bind;
+ /*
+ * In order to access another device in a proper way, RTE level
+ * private function is needed.
+ */
+ ret = rte_eth_hairpin_queue_peer_bind(rx_port, rx_queue,
+ &cur, 0);
+ if (ret != 0) {
+ mlx5_txq_release(dev, i);
+ goto error;
+ }
+ mlx5_txq_release(dev, i);
+ }
+ return 0;
error:
- priv_rxq_stop(priv);
- return -ret;
+ /*
+ * Do roll-back process for the queues already bound.
+ * No need to check the return value of the queue unbind function.
+ */
+ do {
+ /* No validation is needed here. */
+ txq_ctrl = mlx5_txq_get(dev, i);
+ if (txq_ctrl == NULL)
+ continue;
+ rx_queue = txq_ctrl->hairpin_conf.peers[0].queue;
+ rte_eth_hairpin_queue_peer_unbind(rx_port, rx_queue, 0);
+ mlx5_hairpin_queue_peer_unbind(dev, i, 1);
+ mlx5_txq_release(dev, i);
+ } while (i--);
+ return ret;
+}
+
+/*
+ * Unbind the hairpin port pair, HW configuration of both devices will be clear
+ * and status will be reset for all the queues used between the them.
+ * This function only supports to unbind the Tx from one Rx.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param rx_port
+ * Port identifier of the Rx port.
+ *
+ * @return
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
+ */
+static int
+mlx5_hairpin_unbind_single_port(struct rte_eth_dev *dev, uint16_t rx_port)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_txq_ctrl *txq_ctrl;
+ uint32_t i;
+ int ret;
+ uint16_t cur_port = priv->dev_data->port_id;
+
+ if (mlx5_eth_find_next(rx_port, dev->device) != rx_port) {
+ rte_errno = ENODEV;
+ DRV_LOG(ERR, "Rx port %u does not belong to mlx5", rx_port);
+ return -rte_errno;
+ }
+ for (i = 0; i != priv->txqs_n; i++) {
+ uint16_t rx_queue;
+
+ txq_ctrl = mlx5_txq_get(dev, i);
+ if (txq_ctrl == NULL)
+ continue;
+ if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN) {
+ mlx5_txq_release(dev, i);
+ continue;
+ }
+ if (txq_ctrl->hairpin_conf.peers[0].port != rx_port) {
+ mlx5_txq_release(dev, i);
+ continue;
+ }
+ /* Indeed, only the first used queue needs to be checked. */
+ if (txq_ctrl->hairpin_conf.manual_bind == 0) {
+ if (cur_port != rx_port) {
+ rte_errno = EINVAL;
+ DRV_LOG(ERR, "port %u and port %u are in"
+ " auto-bind mode", cur_port, rx_port);
+ mlx5_txq_release(dev, i);
+ return -rte_errno;
+ } else {
+ return 0;
+ }
+ }
+ rx_queue = txq_ctrl->hairpin_conf.peers[0].queue;
+ mlx5_txq_release(dev, i);
+ ret = rte_eth_hairpin_queue_peer_unbind(rx_port, rx_queue, 0);
+ if (ret) {
+ DRV_LOG(ERR, "port %u Rx queue %d unbind - failure",
+ rx_port, rx_queue);
+ return ret;
+ }
+ ret = mlx5_hairpin_queue_peer_unbind(dev, i, 1);
+ if (ret) {
+ DRV_LOG(ERR, "port %u Tx queue %d unbind - failure",
+ cur_port, i);
+ return ret;
+ }
+ }
+ return 0;
+}
+
+/*
+ * Bind hairpin ports, Rx could be all ports when using RTE_MAX_ETHPORTS.
+ * @see mlx5_hairpin_bind_single_port()
+ */
+int
+mlx5_hairpin_bind(struct rte_eth_dev *dev, uint16_t rx_port)
+{
+ int ret = 0;
+ uint16_t p, pp;
+
+ /*
+ * If the Rx port has no hairpin configuration with the current port,
+ * the binding will be skipped in the called function of single port.
+ * Device started status will be checked only before the queue
+ * information updating.
+ */
+ if (rx_port == RTE_MAX_ETHPORTS) {
+ MLX5_ETH_FOREACH_DEV(p, dev->device) {
+ ret = mlx5_hairpin_bind_single_port(dev, p);
+ if (ret != 0)
+ goto unbind;
+ }
+ return ret;
+ } else {
+ return mlx5_hairpin_bind_single_port(dev, rx_port);
+ }
+unbind:
+ MLX5_ETH_FOREACH_DEV(pp, dev->device)
+ if (pp < p)
+ mlx5_hairpin_unbind_single_port(dev, pp);
+ return ret;
+}
+
+/*
+ * Unbind hairpin ports, Rx could be all ports when using RTE_MAX_ETHPORTS.
+ * @see mlx5_hairpin_unbind_single_port()
+ */
+int
+mlx5_hairpin_unbind(struct rte_eth_dev *dev, uint16_t rx_port)
+{
+ int ret = 0;
+ uint16_t p;
+
+ if (rx_port == RTE_MAX_ETHPORTS)
+ MLX5_ETH_FOREACH_DEV(p, dev->device) {
+ ret = mlx5_hairpin_unbind_single_port(dev, p);
+ if (ret != 0)
+ return ret;
+ }
+ else
+ ret = mlx5_hairpin_unbind_single_port(dev, rx_port);
+ return ret;
+}
+
+/*
+ * DPDK callback to get the hairpin peer ports list.
+ * This will return the actual number of peer ports and save the identifiers
+ * into the array (sorted, may be different from that when setting up the
+ * hairpin peer queues).
+ * The peer port ID could be the same as the port ID of the current device.
+ *
+ * @param dev
+ * Pointer to Ethernet device structure.
+ * @param peer_ports
+ * Pointer to array to save the port identifiers.
+ * @param len
+ * The length of the array.
+ * @param direction
+ * Current port to peer port direction.
+ * positive - current used as Tx to get all peer Rx ports.
+ * zero - current used as Rx to get all peer Tx ports.
+ *
+ * @return
+ * 0 or positive value on success, actual number of peer ports.
+ * a negative errno value otherwise and rte_errno is set.
+ */
+int
+mlx5_hairpin_get_peer_ports(struct rte_eth_dev *dev, uint16_t *peer_ports,
+ size_t len, uint32_t direction)
+{
+ struct mlx5_priv *priv = dev->data->dev_private;
+ struct mlx5_txq_ctrl *txq_ctrl;
+ struct mlx5_rxq_ctrl *rxq_ctrl;
+ uint32_t i;
+ uint16_t pp;
+ uint32_t bits[(RTE_MAX_ETHPORTS + 31) / 32] = {0};
+ int ret = 0;
+
+ if (direction) {
+ for (i = 0; i < priv->txqs_n; i++) {
+ txq_ctrl = mlx5_txq_get(dev, i);
+ if (!txq_ctrl)
+ continue;
+ if (txq_ctrl->type != MLX5_TXQ_TYPE_HAIRPIN) {
+ mlx5_txq_release(dev, i);
+ continue;
+ }
+ pp = txq_ctrl->hairpin_conf.peers[0].port;
+ if (pp >= RTE_MAX_ETHPORTS) {
+ rte_errno = ERANGE;
+ mlx5_txq_release(dev, i);
+ DRV_LOG(ERR, "port %hu queue %u peer port "
+ "out of range %hu",
+ priv->dev_data->port_id, i, pp);
+ return -rte_errno;
+ }
+ bits[pp / 32] |= 1 << (pp % 32);
+ mlx5_txq_release(dev, i);
+ }
+ } else {
+ for (i = 0; i < priv->rxqs_n; i++) {
+ rxq_ctrl = mlx5_rxq_get(dev, i);
+ if (!rxq_ctrl)
+ continue;
+ if (rxq_ctrl->type != MLX5_RXQ_TYPE_HAIRPIN) {
+ mlx5_rxq_release(dev, i);
+ continue;
+ }
+ pp = rxq_ctrl->hairpin_conf.peers[0].port;
+ if (pp >= RTE_MAX_ETHPORTS) {
+ rte_errno = ERANGE;
+ mlx5_rxq_release(dev, i);
+ DRV_LOG(ERR, "port %hu queue %u peer port "
+ "out of range %hu",
+ priv->dev_data->port_id, i, pp);
+ return -rte_errno;
+ }
+ bits[pp / 32] |= 1 << (pp % 32);
+ mlx5_rxq_release(dev, i);
+ }
+ }
+ for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
+ if (bits[i / 32] & (1 << (i % 32))) {
+ if ((size_t)ret >= len) {
+ rte_errno = E2BIG;
+ return -rte_errno;
+ }
+ peer_ports[ret++] = i;
+ }
+ }
+ return ret;
}
/**
* Pointer to Ethernet device structure.
*
* @return
- * 0 on success, negative errno value on failure.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
mlx5_dev_start(struct rte_eth_dev *dev)
{
- struct priv *priv = dev->data->dev_private;
- struct mlx5_mr *mr = NULL;
- int err;
+ struct mlx5_priv *priv = dev->data->dev_private;
+ int ret;
+ int fine_inline;
- dev->data->dev_started = 1;
- priv_lock(priv);
- err = priv_flow_create_drop_queue(priv);
- if (err) {
- ERROR("%p: Drop queue allocation failed: %s",
- (void *)dev, strerror(err));
+ DRV_LOG(DEBUG, "port %u starting device", dev->data->port_id);
+ fine_inline = rte_mbuf_dynflag_lookup
+ (RTE_PMD_MLX5_FINE_GRANULARITY_INLINE, NULL);
+ if (fine_inline >= 0)
+ rte_net_mlx5_dynf_inline_mask = 1UL << fine_inline;
+ else
+ rte_net_mlx5_dynf_inline_mask = 0;
+ if (dev->data->nb_rx_queues > 0) {
+ ret = mlx5_dev_configure_rss_reta(dev);
+ if (ret) {
+ DRV_LOG(ERR, "port %u reta config failed: %s",
+ dev->data->port_id, strerror(rte_errno));
+ return -rte_errno;
+ }
+ }
+ ret = mlx5_txpp_start(dev);
+ if (ret) {
+ DRV_LOG(ERR, "port %u Tx packet pacing init failed: %s",
+ dev->data->port_id, strerror(rte_errno));
+ goto error;
+ }
+ if ((priv->sh->devx && priv->config.dv_flow_en &&
+ priv->config.dest_tir) && priv->obj_ops.lb_dummy_queue_create) {
+ ret = priv->obj_ops.lb_dummy_queue_create(dev);
+ if (ret)
+ goto error;
+ }
+ ret = mlx5_txq_start(dev);
+ if (ret) {
+ DRV_LOG(ERR, "port %u Tx queue allocation failed: %s",
+ dev->data->port_id, strerror(rte_errno));
goto error;
}
- 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));
+ ret = mlx5_rxq_start(dev);
+ if (ret) {
+ DRV_LOG(ERR, "port %u Rx queue allocation failed: %s",
+ dev->data->port_id, strerror(rte_errno));
+ goto error;
+ }
+ /*
+ * Such step will be skipped if there is no hairpin TX queue configured
+ * with RX peer queue from the same device.
+ */
+ ret = mlx5_hairpin_auto_bind(dev);
+ if (ret) {
+ DRV_LOG(ERR, "port %u hairpin auto binding failed: %s",
+ dev->data->port_id, strerror(rte_errno));
+ goto error;
+ }
+ /* Set started flag here for the following steps like control flow. */
+ dev->data->dev_started = 1;
+ ret = mlx5_rx_intr_vec_enable(dev);
+ if (ret) {
+ DRV_LOG(ERR, "port %u Rx interrupt vector creation failed",
+ dev->data->port_id);
goto error;
}
- err = priv_rxq_start(priv);
- if (err) {
- ERROR("%p: RXQ allocation failed: %s",
- (void *)dev, strerror(err));
+ mlx5_os_stats_init(dev);
+ ret = mlx5_traffic_enable(dev);
+ if (ret) {
+ DRV_LOG(ERR, "port %u failed to set defaults flows",
+ dev->data->port_id);
goto error;
}
- err = priv_rx_intr_vec_enable(priv);
- if (err) {
- ERROR("%p: RX interrupt vector creation failed",
- (void *)priv);
+ /* Set a mask and offset of dynamic metadata flows into Rx queues. */
+ mlx5_flow_rxq_dynf_metadata_set(dev);
+ /* Set flags and context to convert Rx timestamps. */
+ mlx5_rxq_timestamp_set(dev);
+ /* Set a mask and offset of scheduling on timestamp into Tx queues. */
+ mlx5_txq_dynf_timestamp_set(dev);
+ /*
+ * In non-cached mode, it only needs to start the default mreg copy
+ * action and no flow created by application exists anymore.
+ * But it is worth wrapping the interface for further usage.
+ */
+ ret = mlx5_flow_start_default(dev);
+ if (ret) {
+ DRV_LOG(DEBUG, "port %u failed to start default actions: %s",
+ dev->data->port_id, strerror(rte_errno));
goto error;
}
- priv_xstats_init(priv);
- /* Update link status and Tx/Rx callbacks for the first time. */
- memset(&dev->data->dev_link, 0, sizeof(struct rte_eth_link));
- INFO("Forcing port %u link to be up", dev->data->port_id);
- err = priv_force_link_status_change(priv, ETH_LINK_UP);
- if (err) {
- DEBUG("Failed to set port %u link to be up",
- dev->data->port_id);
+ if (mlx5_dev_ctx_shared_mempool_subscribe(dev) != 0) {
+ DRV_LOG(ERR, "port %u failed to subscribe for mempool life cycle: %s",
+ dev->data->port_id, rte_strerror(rte_errno));
goto error;
}
- priv_dev_interrupt_handler_install(priv, dev);
- priv_unlock(priv);
+ rte_wmb();
+ dev->tx_pkt_burst = mlx5_select_tx_function(dev);
+ dev->rx_pkt_burst = mlx5_select_rx_function(dev);
+ /* Enable datapath on secondary process. */
+ mlx5_mp_os_req_start_rxtx(dev);
+ if (priv->sh->intr_handle.fd >= 0) {
+ priv->sh->port[priv->dev_port - 1].ih_port_id =
+ (uint32_t)dev->data->port_id;
+ } else {
+ DRV_LOG(INFO, "port %u starts without LSC and RMV interrupts.",
+ dev->data->port_id);
+ dev->data->dev_conf.intr_conf.lsc = 0;
+ dev->data->dev_conf.intr_conf.rmv = 0;
+ }
+ if (priv->sh->intr_handle_devx.fd >= 0)
+ priv->sh->port[priv->dev_port - 1].devx_ih_port_id =
+ (uint32_t)dev->data->port_id;
return 0;
error:
+ ret = rte_errno; /* Save rte_errno before cleanup. */
/* Rollback. */
dev->data->dev_started = 0;
- for (mr = LIST_FIRST(&priv->mr); mr; mr = LIST_FIRST(&priv->mr))
- priv_mr_release(priv, mr);
- priv_flow_stop(priv, &priv->flows);
- priv_dev_traffic_disable(priv, dev);
- priv_txq_stop(priv);
- priv_rxq_stop(priv);
- priv_flow_delete_drop_queue(priv);
- priv_unlock(priv);
- return err;
+ mlx5_flow_stop_default(dev);
+ mlx5_traffic_disable(dev);
+ mlx5_txq_stop(dev);
+ mlx5_rxq_stop(dev);
+ if (priv->obj_ops.lb_dummy_queue_release)
+ priv->obj_ops.lb_dummy_queue_release(dev);
+ mlx5_txpp_stop(dev); /* Stop last. */
+ rte_errno = ret; /* Restore rte_errno. */
+ return -rte_errno;
}
/**
* @param dev
* Pointer to Ethernet device structure.
*/
-void
+int
mlx5_dev_stop(struct rte_eth_dev *dev)
{
- struct priv *priv = dev->data->dev_private;
- struct mlx5_mr *mr;
+ struct mlx5_priv *priv = dev->data->dev_private;
- 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_flow_stop(priv, &priv->flows);
- priv_dev_traffic_disable(priv, dev);
- priv_rx_intr_vec_disable(priv);
- priv_dev_interrupt_handler_uninstall(priv, dev);
- priv_txq_stop(priv);
- priv_rxq_stop(priv);
- for (mr = LIST_FIRST(&priv->mr); mr; mr = LIST_FIRST(&priv->mr))
- priv_mr_release(priv, mr);
- priv_flow_delete_drop_queue(priv);
- priv_unlock(priv);
+ /* Disable datapath on secondary process. */
+ mlx5_mp_os_req_stop_rxtx(dev);
+ rte_delay_us_sleep(1000 * priv->rxqs_n);
+ DRV_LOG(DEBUG, "port %u stopping device", dev->data->port_id);
+ mlx5_flow_stop_default(dev);
+ /* Control flows for default traffic can be removed firstly. */
+ mlx5_traffic_disable(dev);
+ /* All RX queue flags will be cleared in the flush interface. */
+ mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_GEN, true);
+ mlx5_flow_meter_rxq_flush(dev);
+ mlx5_rx_intr_vec_disable(dev);
+ priv->sh->port[priv->dev_port - 1].ih_port_id = RTE_MAX_ETHPORTS;
+ priv->sh->port[priv->dev_port - 1].devx_ih_port_id = RTE_MAX_ETHPORTS;
+ mlx5_txq_stop(dev);
+ mlx5_rxq_stop(dev);
+ if (priv->obj_ops.lb_dummy_queue_release)
+ priv->obj_ops.lb_dummy_queue_release(dev);
+ mlx5_txpp_stop(dev);
+
+ return 0;
}
/**
* Enable traffic flows configured by control plane
*
- * @param priv
+ * @param dev
* Pointer to Ethernet device private data.
* @param dev
* Pointer to Ethernet device structure.
*
* @return
- * 0 on success.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
-priv_dev_traffic_enable(struct priv *priv, struct rte_eth_dev *dev)
+mlx5_traffic_enable(struct rte_eth_dev *dev)
{
+ struct mlx5_priv *priv = dev->data->dev_private;
struct rte_flow_item_eth bcast = {
.dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
};
.dst.addr_bytes = "\xff\xff\xff\xff\xff\xff",
};
const unsigned int vlan_filter_n = priv->vlan_filter_n;
- const struct ether_addr cmp = {
+ const struct rte_ether_addr cmp = {
.addr_bytes = "\x00\x00\x00\x00\x00\x00",
};
unsigned int i;
unsigned int j;
int ret;
+ /*
+ * Hairpin txq default flow should be created no matter if it is
+ * isolation mode. Or else all the packets to be sent will be sent
+ * out directly without the TX flow actions, e.g. encapsulation.
+ */
+ for (i = 0; i != priv->txqs_n; ++i) {
+ struct mlx5_txq_ctrl *txq_ctrl = mlx5_txq_get(dev, i);
+ if (!txq_ctrl)
+ continue;
+ /* Only Tx implicit mode requires the default Tx flow. */
+ if (txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN &&
+ txq_ctrl->hairpin_conf.tx_explicit == 0 &&
+ txq_ctrl->hairpin_conf.peers[0].port ==
+ priv->dev_data->port_id) {
+ ret = mlx5_ctrl_flow_source_queue(dev, i);
+ if (ret) {
+ mlx5_txq_release(dev, i);
+ goto error;
+ }
+ }
+ mlx5_txq_release(dev, i);
+ }
+ if (priv->config.dv_esw_en && !priv->config.vf && !priv->config.sf) {
+ if (mlx5_flow_create_esw_table_zero_flow(dev))
+ priv->fdb_def_rule = 1;
+ else
+ DRV_LOG(INFO, "port %u FDB default rule cannot be"
+ " configured - only Eswitch group 0 flows are"
+ " supported.", dev->data->port_id);
+ }
+ if (!priv->config.lacp_by_user && priv->pf_bond >= 0) {
+ ret = mlx5_flow_lacp_miss(dev);
+ if (ret)
+ DRV_LOG(INFO, "port %u LACP rule cannot be created - "
+ "forward LACP to kernel.", dev->data->port_id);
+ else
+ DRV_LOG(INFO, "LACP traffic will be missed in port %u."
+ , dev->data->port_id);
+ }
if (priv->isolated)
return 0;
if (dev->data->promiscuous) {
.type = 0,
};
- claim_zero(mlx5_ctrl_flow(dev, &promisc, &promisc));
- return 0;
+ ret = mlx5_ctrl_flow(dev, &promisc, &promisc);
+ if (ret)
+ goto error;
}
if (dev->data->all_multicast) {
struct rte_flow_item_eth multicast = {
.type = 0,
};
- claim_zero(mlx5_ctrl_flow(dev, &multicast, &multicast));
+ ret = mlx5_ctrl_flow(dev, &multicast, &multicast);
+ if (ret)
+ goto error;
} else {
/* Add broadcast/multicast flows. */
for (i = 0; i != vlan_filter_n; ++i) {
struct rte_flow_item_vlan vlan_spec = {
.tci = rte_cpu_to_be_16(vlan),
};
- struct rte_flow_item_vlan vlan_mask = {
- .tci = 0xffff,
- };
+ struct rte_flow_item_vlan vlan_mask =
+ rte_flow_item_vlan_mask;
ret = mlx5_ctrl_flow_vlan(dev, &bcast, &bcast,
&vlan_spec, &vlan_mask);
goto error;
ret = mlx5_ctrl_flow(dev, &ipv6_multi_spec,
&ipv6_multi_mask);
- if (ret)
- goto error;
+ if (ret) {
+ /* Do not fail on IPv6 broadcast creation failure. */
+ DRV_LOG(WARNING,
+ "IPv6 broadcast is not supported");
+ ret = 0;
+ }
}
}
/* Add MAC address flows. */
for (i = 0; i != MLX5_MAX_MAC_ADDRESSES; ++i) {
- struct ether_addr *mac = &dev->data->mac_addrs[i];
+ struct rte_ether_addr *mac = &dev->data->mac_addrs[i];
if (!memcmp(mac, &cmp, sizeof(*mac)))
continue;
memcpy(&unicast.dst.addr_bytes,
mac->addr_bytes,
- ETHER_ADDR_LEN);
+ RTE_ETHER_ADDR_LEN);
for (j = 0; j != vlan_filter_n; ++j) {
uint16_t vlan = priv->vlan_filter[j];
struct rte_flow_item_vlan vlan_spec = {
.tci = rte_cpu_to_be_16(vlan),
};
- struct rte_flow_item_vlan vlan_mask = {
- .tci = 0xffff,
- };
+ struct rte_flow_item_vlan vlan_mask =
+ rte_flow_item_vlan_mask;
ret = mlx5_ctrl_flow_vlan(dev, &unicast,
&unicast_mask,
goto error;
}
if (!vlan_filter_n) {
- ret = mlx5_ctrl_flow(dev, &unicast,
- &unicast_mask);
+ ret = mlx5_ctrl_flow(dev, &unicast, &unicast_mask);
if (ret)
goto error;
}
}
return 0;
error:
- return rte_errno;
+ ret = rte_errno; /* Save rte_errno before cleanup. */
+ mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_CTL, false);
+ rte_errno = ret; /* Restore rte_errno. */
+ return -rte_errno;
}
/**
* Disable traffic flows configured by control plane
*
- * @param priv
- * Pointer to Ethernet device private data.
* @param dev
- * Pointer to Ethernet device structure.
- *
- * @return
- * 0 on success.
- */
-int
-priv_dev_traffic_disable(struct priv *priv, struct rte_eth_dev *dev)
-{
- (void)dev;
- priv_flow_flush(priv, &priv->ctrl_flows);
- return 0;
-}
-
-/**
- * Restart traffic flows configured by control plane
- *
- * @param priv
* Pointer to Ethernet device private data.
- * @param dev
- * Pointer to Ethernet device structure.
- *
- * @return
- * 0 on success.
*/
-int
-priv_dev_traffic_restart(struct priv *priv, struct rte_eth_dev *dev)
+void
+mlx5_traffic_disable(struct rte_eth_dev *dev)
{
- if (dev->data->dev_started) {
- priv_dev_traffic_disable(priv, dev);
- priv_dev_traffic_enable(priv, dev);
- }
- return 0;
+ mlx5_flow_list_flush(dev, MLX5_FLOW_TYPE_CTL, false);
}
/**
* Restart traffic flows configured by control plane
*
* @param dev
- * Pointer to Ethernet device structure.
+ * Pointer to Ethernet device private data.
*
* @return
- * 0 on success.
+ * 0 on success, a negative errno value otherwise and rte_errno is set.
*/
int
mlx5_traffic_restart(struct rte_eth_dev *dev)
{
- struct priv *priv = dev->data->dev_private;
-
- priv_lock(priv);
- priv_dev_traffic_restart(priv, dev);
- priv_unlock(priv);
+ if (dev->data->dev_started) {
+ mlx5_traffic_disable(dev);
+ return mlx5_traffic_enable(dev);
+ }
return 0;
}
git.droids-corp.org / dpdk.git / blobdiff