[3/5] net/mlx5: register multiple pool for Rx queue

Message ID 1603381371-5360-4-git-send-email-viacheslavo@nvidia.com (mailing list archive)
State Superseded, archived
Delegated to: Raslan Darawsheh
Headers
Series net/mlx5: add Rx buffer split support |

Checks

Context Check Description
ci/checkpatch success coding style OK

Commit Message

Slava Ovsiienko Oct. 22, 2020, 3:42 p.m. UTC
  The split feature for receiving packets was added to the mlx5
PMD, now Rx queue can receive the data to the buffers belonging
to the different pools and the memory of all the involved pool
must be registered for DMA operations in order to allow hardware
to store the data.

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@nvidia.com>
---
 drivers/net/mlx5/mlx5_mr.c      |  3 +++
 drivers/net/mlx5/mlx5_trigger.c | 20 ++++++++++++--------
 2 files changed, 15 insertions(+), 8 deletions(-)
  

Patch

diff --git a/drivers/net/mlx5/mlx5_mr.c b/drivers/net/mlx5/mlx5_mr.c
index dbcf0aa..c308ecc 100644
--- a/drivers/net/mlx5/mlx5_mr.c
+++ b/drivers/net/mlx5/mlx5_mr.c
@@ -536,6 +536,9 @@  struct mr_update_mp_data {
 		.ret = 0,
 	};
 
+	DRV_LOG(DEBUG, "Port %u Rx queue registering mp %s "
+		       "having %u chunks.", dev->data->port_id,
+		       mp->name, mp->nb_mem_chunks);
 	rte_mempool_mem_iter(mp, mlx5_mr_update_mp_cb, &data);
 	if (data.ret < 0 && rte_errno == ENXIO) {
 		/* Mempool may have externally allocated memory. */
diff --git a/drivers/net/mlx5/mlx5_trigger.c b/drivers/net/mlx5/mlx5_trigger.c
index 7735f02..19f2d66 100644
--- a/drivers/net/mlx5/mlx5_trigger.c
+++ b/drivers/net/mlx5/mlx5_trigger.c
@@ -145,18 +145,22 @@ 
 		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;
 		if (rxq_ctrl->type == MLX5_RXQ_TYPE_STANDARD) {
-			/* 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);
+			/* 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;