Modify the code to allow passing the link layer of a port from kernel to user.
Update ibv_query_port.3 man page with the change.

Signed-off-by: Eli Cohen <e...@mellanox.co.il>
---
 include/infiniband/kern-abi.h |    3 ++-
 man/ibv_query_port.3          |    1 +
 src/cmd.c                     |    1 +
 3 files changed, 4 insertions(+), 1 deletions(-)

diff --git a/include/infiniband/kern-abi.h b/include/infiniband/kern-abi.h
index 0db083a..619ea7e 100644
--- a/include/infiniband/kern-abi.h
+++ b/include/infiniband/kern-abi.h
@@ -223,7 +223,8 @@ struct ibv_query_port_resp {
        __u8  active_width;
        __u8  active_speed;
        __u8  phys_state;
-       __u8  reserved[3];
+       __u8  link_layer;
+       __u8  reserved[2];
 };
 
 struct ibv_alloc_pd {
diff --git a/man/ibv_query_port.3 b/man/ibv_query_port.3
index 882470d..6d8b873 100644
--- a/man/ibv_query_port.3
+++ b/man/ibv_query_port.3
@@ -44,6 +44,7 @@ uint8_t                 init_type_reply;/* Type of 
initialization performed by S
 uint8_t                 active_width;   /* Currently active link width */
 uint8_t                 active_speed;   /* Currently active link speed */
 uint8_t                 phys_state;     /* Physical port state */
+uint8_t                 link_layer;     /* link layer protocol of the port */  
         
 .in -8
 };
 .sp
diff --git a/src/cmd.c b/src/cmd.c
index cbd5288..39af833 100644
--- a/src/cmd.c
+++ b/src/cmd.c
@@ -196,6 +196,7 @@ int ibv_cmd_query_port(struct ibv_context *context, uint8_t 
port_num,
        port_attr->active_width    = resp.active_width;
        port_attr->active_speed    = resp.active_speed;
        port_attr->phys_state      = resp.phys_state;
+       port_attr->link_layer      = resp.link_layer;
 
        return 0;
 }
-- 
1.7.2

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