#include <rte_interrupts.h>
#include <rte_alarm.h>
+#include <mlx5_malloc.h>
+
#include "mlx5.h"
+#include "mlx5_mr.h"
#include "mlx5_rxtx.h"
#include "mlx5_utils.h"
+#include "rte_pmd_mlx5.h"
/**
* Stop traffic on Tx queues.
for (i = 0; i != priv->txqs_n; ++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;
- txq_alloc_elts(txq_ctrl);
- txq_ctrl->ibv = mlx5_txq_ibv_new(dev, i);
- if (!txq_ctrl->ibv) {
+ 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);
}
return 0;
error:
struct mlx5_priv *priv = dev->data->dev_private;
unsigned int i;
int ret = 0;
- enum mlx5_rxq_obj_type obj_type = MLX5_RXQ_OBJ_TYPE_IBV;
- for (i = 0; i < priv->rxqs_n; ++i) {
- if ((*priv->rxqs)[i]->lro) {
- obj_type = MLX5_RXQ_OBJ_TYPE_DEVX_RQ;
- break;
- }
- }
/* 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_rxq_get(dev, i);
- struct rte_mempool *mp;
if (!rxq_ctrl)
continue;
- /* Pre-register Rx mempool. */
- mp = mlx5_rxq_mprq_enabled(&rxq_ctrl->rxq) ?
- rxq_ctrl->rxq.mprq_mp : rxq_ctrl->rxq.mp;
- DRV_LOG(DEBUG,
- "port %u Rx queue %u registering"
- " mp %s having %u chunks",
- dev->data->port_id, rxq_ctrl->rxq.idx,
- mp->name, mp->nb_mem_chunks);
- mlx5_mr_update_mp(dev, &rxq_ctrl->rxq.mr_ctrl, mp);
- ret = rxq_alloc_elts(rxq_ctrl);
- if (ret)
+ if (rxq_ctrl->type == MLX5_RXQ_TYPE_STANDARD) {
+ /* Pre-register Rx mempools. */
+ if (mlx5_rxq_mprq_enabled(&rxq_ctrl->rxq)) {
+ mlx5_mr_update_mp(dev, &rxq_ctrl->rxq.mr_ctrl,
+ rxq_ctrl->rxq.mprq_mp);
+ } else {
+ uint32_t s;
+
+ for (s = 0; s < rxq_ctrl->rxq.rxseg_n; s++)
+ mlx5_mr_update_mp
+ (dev, &rxq_ctrl->rxq.mr_ctrl,
+ rxq_ctrl->rxq.rxseg[s].mp);
+ }
+ 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;
- rxq_ctrl->obj = mlx5_rxq_obj_new(dev, i, obj_type);
- if (!rxq_ctrl->obj)
+ }
+ ret = priv->obj_ops.rxq_obj_new(dev, i);
+ if (ret) {
+ mlx5_free(rxq_ctrl->obj);
goto error;
- if (obj_type == MLX5_RXQ_OBJ_TYPE_IBV)
- rxq_ctrl->wqn = rxq_ctrl->obj->wq->wq_num;
- else if (obj_type == MLX5_RXQ_OBJ_TYPE_DEVX_RQ)
- rxq_ctrl->wqn = rxq_ctrl->obj->rq->id;
+ }
+ 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:
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;
+
+ 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;
+ }
+ 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;
+ 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;
+ 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 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, priv->pci_dev) != 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:
+ /*
+ * 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, priv->pci_dev) != 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;
+ struct mlx5_priv *priv = dev->data->dev_private;
+
+ /*
+ * 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, priv->pci_dev) {
+ 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, priv->pci_dev)
+ 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;
+ struct mlx5_priv *priv = dev->data->dev_private;
+
+ if (rx_port == RTE_MAX_ETHPORTS)
+ MLX5_ETH_FOREACH_DEV(p, priv->pci_dev) {
+ ret = mlx5_hairpin_unbind_single_port(dev, p);
+ if (ret != 0)
+ return ret;
+ }
+ else
+ ret = mlx5_hairpin_bind_single_port(dev, rx_port);
+ return ret;
+}
+
/**
* DPDK callback to start the device.
*
{
struct mlx5_priv *priv = dev->data->dev_private;
int ret;
+ int fine_inline;
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;
+ }
ret = mlx5_txq_start(dev);
if (ret) {
DRV_LOG(ERR, "port %u Tx queue allocation failed: %s",
dev->data->port_id, strerror(rte_errno));
- return -rte_errno;
+ goto error;
}
ret = mlx5_rxq_start(dev);
if (ret) {
DRV_LOG(ERR, "port %u Rx queue allocation failed: %s",
dev->data->port_id, strerror(rte_errno));
- mlx5_txq_stop(dev);
- return -rte_errno;
+ goto error;
}
+ ret = mlx5_hairpin_auto_bind(dev);
+ if (ret) {
+ DRV_LOG(ERR, "port %u hairpin 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) {
dev->data->port_id);
goto error;
}
- mlx5_stats_init(dev);
+ mlx5_os_stats_init(dev);
ret = mlx5_traffic_enable(dev);
if (ret) {
- DRV_LOG(DEBUG, "port %u failed to set defaults flows",
+ DRV_LOG(ERR, "port %u failed to set defaults flows",
dev->data->port_id);
goto error;
}
- ret = mlx5_flow_start(dev, &priv->flows);
+ /* 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 set flows",
- dev->data->port_id);
+ DRV_LOG(DEBUG, "port %u failed to start default actions: %s",
+ dev->data->port_id, strerror(rte_errno));
goto error;
}
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_req_start_rxtx(dev);
- mlx5_dev_interrupt_handler_install(dev);
+ 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;
- mlx5_flow_stop(dev, &priv->flows);
+ mlx5_flow_stop_default(dev);
mlx5_traffic_disable(dev);
mlx5_txq_stop(dev);
mlx5_rxq_stop(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 mlx5_priv *priv = dev->data->dev_private;
dev->tx_pkt_burst = removed_tx_burst;
rte_wmb();
/* Disable datapath on secondary process. */
- mlx5_mp_req_stop_rxtx(dev);
+ mlx5_mp_os_req_stop_rxtx(dev);
usleep(1000 * priv->rxqs_n);
DRV_LOG(DEBUG, "port %u stopping device", dev->data->port_id);
- mlx5_flow_stop(dev, &priv->flows);
+ 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, &priv->flows, true);
mlx5_rx_intr_vec_disable(dev);
- mlx5_dev_interrupt_handler_uninstall(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);
+ mlx5_txpp_stop(dev);
+
+ return 0;
}
/**
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;
+ if (txq_ctrl->type == MLX5_TXQ_TYPE_HAIRPIN) {
+ 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) {
+ 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) {
return 0;
error:
ret = rte_errno; /* Save rte_errno before cleanup. */
- mlx5_flow_list_flush(dev, &priv->ctrl_flows);
+ mlx5_flow_list_flush(dev, &priv->ctrl_flows, false);
rte_errno = ret; /* Restore rte_errno. */
return -rte_errno;
}
{
struct mlx5_priv *priv = dev->data->dev_private;
- mlx5_flow_list_flush(dev, &priv->ctrl_flows);
+ mlx5_flow_list_flush(dev, &priv->ctrl_flows, false);
}
/**
git.droids-corp.org / dpdk.git / blobdiff