IB/uverbs: Return link layer type to userspace for query port operation

Signed-off-by: Eli Cohen <eli@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

2 files changed, 4 insertions, 1 deletions

diff --git a/drivers/infiniband/core/uverbs_cmd.c b/drivers/infiniband/core/uverbs_cmd.c
index 6fcfbeb24a23..b342248aec05 100644
--- a/drivers/infiniband/core/uverbs_cmd.c
+++ b/drivers/infiniband/core/uverbs_cmd.c
@@ -460,6 +460,8 @@ ssize_t ib_uverbs_query_port(struct ib_uverbs_file *file,
         resp.active_width    = attr.active_width;
         resp.active_speed    = attr.active_speed;
         resp.phys_state      = attr.phys_state;
+        resp.link_layer      = rdma_port_get_link_layer(file->device->ib_dev,
+                                                        cmd.port_num);
 
         if (copy_to_user((void __user *) (unsigned long) cmd.response,
                          &resp, sizeof resp))
diff --git a/include/rdma/ib_user_verbs.h b/include/rdma/ib_user_verbs.h
index a17f77106149..fe5b05177a2c 100644
--- a/include/rdma/ib_user_verbs.h
+++ b/include/rdma/ib_user_verbs.h
@@ -205,7 +205,8 @@ struct ib_uverbs_query_port_resp {
         __u8  active_width;
         __u8  active_speed;
         __u8  phys_state;
-        __u8  reserved[3];
+        __u8  link_layer;
+        __u8  reserved[2];
 };
 
 struct ib_uverbs_alloc_pd {