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 13f0793..8d64d4c 100644 (file)
--- 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 cd27163..c7965e5 100644 (file)
--- 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 9f36af8..e584d36 100644 (file)
--- 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,