From: Yongseok Koh <yskoh@mellanox.com>
Date: Wed, 9 May 2018 11:13:49 +0000 (-0700)
Subject: net/mlx5: add a function to rdma-core glue
X-Git-Url: http://git.droids-corp.org/?a=commitdiff_plain;h=18bee130968a90292cb18730022ddf12d52120f9;p=dpdk.git

net/mlx5: add a function to rdma-core glue

mlx5dv_create_wq() is added for the Multi-Packet RQ (a.k.a Striding RQ).

Signed-off-by: Yongseok Koh <yskoh@mellanox.com>
Acked-by: Shahaf Shuler <shahafs@mellanox.com>
---

diff --git a/drivers/net/mlx5/Makefile b/drivers/net/mlx5/Makefile
index 13f0793345..8d64d4cdf7 100644
--- a/drivers/net/mlx5/Makefile
+++ b/drivers/net/mlx5/Makefile
@@ -97,6 +97,11 @@ mlx5_autoconf.h.new: FORCE
 
 mlx5_autoconf.h.new: $(RTE_SDK)/buildtools/auto-config-h.sh
 	$Q $(RM) -f -- '$@'
+	$Q sh -- '$<' '$@' \
+		HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT \
+		infiniband/mlx5dv.h \
+		enum MLX5DV_CONTEXT_MASK_STRIDING_RQ \
+		$(AUTOCONF_OUTPUT)
 	$Q sh -- '$<' '$@' \
 		HAVE_IBV_DEVICE_TUNNEL_SUPPORT \
 		infiniband/mlx5dv.h \
diff --git a/drivers/net/mlx5/mlx5_glue.c b/drivers/net/mlx5/mlx5_glue.c
index cd27163528..c7965e51fe 100644
--- a/drivers/net/mlx5/mlx5_glue.c
+++ b/drivers/net/mlx5/mlx5_glue.c
@@ -293,6 +293,21 @@ mlx5_glue_dv_create_cq(struct ibv_context *context,
 	return mlx5dv_create_cq(context, cq_attr, mlx5_cq_attr);
 }
 
+static struct ibv_wq *
+mlx5_glue_dv_create_wq(struct ibv_context *context,
+		       struct ibv_wq_init_attr *wq_attr,
+		       struct mlx5dv_wq_init_attr *mlx5_wq_attr)
+{
+#ifndef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
+	(void)context;
+	(void)wq_attr;
+	(void)mlx5_wq_attr;
+	return NULL;
+#else
+	return mlx5dv_create_wq(context, wq_attr, mlx5_wq_attr);
+#endif
+}
+
 static int
 mlx5_glue_dv_query_device(struct ibv_context *ctx,
 			  struct mlx5dv_context *attrs_out)
@@ -368,6 +383,7 @@ const struct mlx5_glue *mlx5_glue = &(const struct mlx5_glue){
 	.port_state_str = mlx5_glue_port_state_str,
 	.cq_ex_to_cq = mlx5_glue_cq_ex_to_cq,
 	.dv_create_cq = mlx5_glue_dv_create_cq,
+	.dv_create_wq = mlx5_glue_dv_create_wq,
 	.dv_query_device = mlx5_glue_dv_query_device,
 	.dv_set_context_attr = mlx5_glue_dv_set_context_attr,
 	.dv_init_obj = mlx5_glue_dv_init_obj,
diff --git a/drivers/net/mlx5/mlx5_glue.h b/drivers/net/mlx5/mlx5_glue.h
index 9f36af81aa..e584d36795 100644
--- a/drivers/net/mlx5/mlx5_glue.h
+++ b/drivers/net/mlx5/mlx5_glue.h
@@ -35,6 +35,10 @@ struct ibv_query_counter_set_attr;
 struct mlx5dv_qp_init_attr;
 #endif
 
+#ifndef HAVE_IBV_DEVICE_STRIDING_RQ_SUPPORT
+struct mlx5dv_wq_init_attr;
+#endif
+
 /* LIB_GLUE_VERSION must be updated every time this structure is modified. */
 struct mlx5_glue {
 	const char *version;
@@ -104,6 +108,10 @@ struct mlx5_glue {
 		(struct ibv_context *context,
 		 struct ibv_cq_init_attr_ex *cq_attr,
 		 struct mlx5dv_cq_init_attr *mlx5_cq_attr);
+	struct ibv_wq *(*dv_create_wq)
+		(struct ibv_context *context,
+		 struct ibv_wq_init_attr *wq_attr,
+		 struct mlx5dv_wq_init_attr *mlx5_wq_attr);
 	int (*dv_query_device)(struct ibv_context *ctx_in,
 			       struct mlx5dv_context *attrs_out);
 	int (*dv_set_context_attr)(struct ibv_context *ibv_ctx,