#include "mlx5.h"
#include "mlx5_rxtx.h"
#include "mlx5_utils.h"
+#include "rte_pmd_mlx5.h"
/**
* Stop traffic on Tx queues.
unsigned int i;
int ret = 0;
enum mlx5_rxq_obj_type obj_type = MLX5_RXQ_OBJ_TYPE_IBV;
+ struct mlx5_rxq_data *rxq = NULL;
for (i = 0; i < priv->rxqs_n; ++i) {
- if ((*priv->rxqs)[i]->lro) {
+ rxq = (*priv->rxqs)[i];
+
+ if (rxq && rxq->lro) {
obj_type = MLX5_RXQ_OBJ_TYPE_DEVX_RQ;
break;
}
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_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;
+}
+
/**
* 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_txq_start(dev);
if (ret) {
DRV_LOG(ERR, "port %u Tx queue allocation failed: %s",
mlx5_txq_stop(dev);
return -rte_errno;
}
+ ret = mlx5_hairpin_bind(dev);
+ if (ret) {
+ DRV_LOG(ERR, "port %u hairpin binding failed: %s",
+ dev->data->port_id, strerror(rte_errno));
+ mlx5_txq_stop(dev);
+ return -rte_errno;
+ }
dev->data->dev_started = 1;
ret = mlx5_rx_intr_vec_enable(dev);
if (ret) {
unsigned int j;
int ret;
- if (priv->config.dv_esw_en && !priv->config.vf)
- if (!mlx5_flow_create_esw_table_zero_flow(dev))
- goto error;
+ /*
+ * 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->isolated)
return 0;
if (dev->data->promiscuous) {
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