diff mbox series

[08/14] net/mlx5: switch to the shared Protection Domain

Message ID 1553155888-27498-9-git-send-email-viacheslavo@mellanox.com (mailing list archive)
State Superseded, archived
Delegated to: Shahaf Shuler
Headers show
Series net/mlx5: add support for multiport IB devices | expand

Checks

Context Check Description
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Slava Ovsiienko March 21, 2019, 8:11 a.m. UTC
The PMD code is updated to use Protected Domain from the
the shared IB device context. The Domain is shared between
all devices belonging to the same multiport Infiniband device.
If IB device has only one port, the PD is not shared, because
there is only ethernet device created over IB one.

Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>
---
 drivers/net/mlx5/mlx5.c     |  1 -
 drivers/net/mlx5/mlx5.h     |  1 -
 drivers/net/mlx5/mlx5_mr.c  |  4 ++--
 drivers/net/mlx5/mlx5_rxq.c | 10 +++++-----
 drivers/net/mlx5/mlx5_txq.c |  2 +-
 5 files changed, 8 insertions(+), 10 deletions(-)

Comments

Shahaf Shuler March 21, 2019, 12:14 p.m. UTC | #1
Thursday, March 21, 2019 10:11 AM, Viacheslav Ovsiienko:
> Subject: [PATCH 08/14] net/mlx5: switch to the shared Protection Domain
> 
> The PMD code is updated to use Protected Domain from the the shared IB
> device context. The Domain is shared between all devices belonging to the
> same multiport Infiniband device.
> If IB device has only one port, the PD is not shared, because there is only
> ethernet device created over IB one.
> 
> Signed-off-by: Viacheslav Ovsiienko <viacheslavo@mellanox.com>

Acked-by: Shahaf Shuler <shahafs@mellaonx.com>
diff mbox series

Patch

diff --git a/drivers/net/mlx5/mlx5.c b/drivers/net/mlx5/mlx5.c
index b3060de..16134de 100644
--- a/drivers/net/mlx5/mlx5.c
+++ b/drivers/net/mlx5/mlx5.c
@@ -1114,7 +1114,6 @@  struct mlx5_dev_spawn_data {
 	priv->ctx = sh->ctx;
 	priv->ibv_port = spawn->ibv_port;
 	priv->device_attr = sh->device_attr;
-	priv->pd = sh->pd;
 	priv->mtu = ETHER_MTU;
 #ifndef RTE_ARCH_64
 	/* Initialize UAR access locks for 32bit implementations. */
diff --git a/drivers/net/mlx5/mlx5.h b/drivers/net/mlx5/mlx5.h
index fb9ed3b..219addd 100644
--- a/drivers/net/mlx5/mlx5.h
+++ b/drivers/net/mlx5/mlx5.h
@@ -228,7 +228,6 @@  struct mlx5_priv {
 	uint32_t ibv_port; /* IB device port number. */
 	struct ibv_context *ctx; /* Verbs context. */
 	struct ibv_device_attr_ex device_attr; /* Device properties. */
-	struct ibv_pd *pd; /* Protection Domain. */
 	struct ether_addr mac[MLX5_MAX_MAC_ADDRESSES]; /* MAC addresses. */
 	BITFIELD_DECLARE(mac_own, uint64_t, MLX5_MAX_MAC_ADDRESSES);
 	/* Bit-field of MAC addresses owned by the PMD. */
diff --git a/drivers/net/mlx5/mlx5_mr.c b/drivers/net/mlx5/mlx5_mr.c
index 700d83d..f7eb9a5 100644
--- a/drivers/net/mlx5/mlx5_mr.c
+++ b/drivers/net/mlx5/mlx5_mr.c
@@ -719,7 +719,7 @@  struct mr_update_mp_data {
 	 * mlx5_alloc_buf_extern() which eventually calls rte_malloc_socket()
 	 * through mlx5_alloc_verbs_buf().
 	 */
-	mr->ibv_mr = mlx5_glue->reg_mr(priv->pd, (void *)data.start, len,
+	mr->ibv_mr = mlx5_glue->reg_mr(priv->sh->pd, (void *)data.start, len,
 				       IBV_ACCESS_LOCAL_WRITE);
 	if (mr->ibv_mr == NULL) {
 		DEBUG("port %u fail to create a verbs MR for address (%p)",
@@ -1156,7 +1156,7 @@  struct mr_update_mp_data {
 	}
 	DRV_LOG(DEBUG, "port %u register MR for chunk #%d of mempool (%s)",
 		dev->data->port_id, mem_idx, mp->name);
-	mr->ibv_mr = mlx5_glue->reg_mr(priv->pd, (void *)addr, len,
+	mr->ibv_mr = mlx5_glue->reg_mr(priv->sh->pd, (void *)addr, len,
 				       IBV_ACCESS_LOCAL_WRITE);
 	if (mr->ibv_mr == NULL) {
 		DRV_LOG(WARNING,
diff --git a/drivers/net/mlx5/mlx5_rxq.c b/drivers/net/mlx5/mlx5_rxq.c
index 2f60999..0496c4e 100644
--- a/drivers/net/mlx5/mlx5_rxq.c
+++ b/drivers/net/mlx5/mlx5_rxq.c
@@ -867,7 +867,7 @@  struct mlx5_rxq_ibv *
 		.max_wr = wqe_n >> rxq_data->sges_n,
 		/* Max number of scatter/gather elements in a WR. */
 		.max_sge = 1 << rxq_data->sges_n,
-		.pd = priv->pd,
+		.pd = priv->sh->pd,
 		.cq = tmpl->cq,
 		.comp_mask =
 			IBV_WQ_FLAGS_CVLAN_STRIPPING |
@@ -1831,7 +1831,7 @@  struct mlx5_hrxq *
 				.rx_hash_fields_mask = hash_fields,
 			},
 			.rwq_ind_tbl = ind_tbl->ind_table,
-			.pd = priv->pd,
+			.pd = priv->sh->pd,
 		 },
 		 &qp_init_attr);
 #else
@@ -1850,7 +1850,7 @@  struct mlx5_hrxq *
 				.rx_hash_fields_mask = hash_fields,
 			},
 			.rwq_ind_tbl = ind_tbl->ind_table,
-			.pd = priv->pd,
+			.pd = priv->sh->pd,
 		 });
 #endif
 	if (!qp) {
@@ -2006,7 +2006,7 @@  struct mlx5_rxq_ibv *
 			.wq_type = IBV_WQT_RQ,
 			.max_wr = 1,
 			.max_sge = 1,
-			.pd = priv->pd,
+			.pd = priv->sh->pd,
 			.cq = cq,
 		 });
 	if (!wq) {
@@ -2160,7 +2160,7 @@  struct mlx5_hrxq *
 				.rx_hash_fields_mask = 0,
 				},
 			.rwq_ind_tbl = ind_tbl->ind_table,
-			.pd = priv->pd
+			.pd = priv->sh->pd
 		 });
 	if (!qp) {
 		DEBUG("port %u cannot allocate QP for drop queue",
diff --git a/drivers/net/mlx5/mlx5_txq.c b/drivers/net/mlx5/mlx5_txq.c
index d185617..d3a5498 100644
--- a/drivers/net/mlx5/mlx5_txq.c
+++ b/drivers/net/mlx5/mlx5_txq.c
@@ -426,7 +426,7 @@  struct mlx5_txq_ibv *
 		 * Tx burst.
 		 */
 		.sq_sig_all = 0,
-		.pd = priv->pd,
+		.pd = priv->sh->pd,
 		.comp_mask = IBV_QP_INIT_ATTR_PD,
 	};
 	if (txq_data->max_inline)