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authorParav Pandit <parav@mellanox.com>2018-04-01 15:08:18 +0300
committerJason Gunthorpe <jgg@mellanox.com>2018-04-03 21:09:01 -0600
commit72e1ff0fb7e09c34956e4b3f619481da4d9787c1 (patch)
tree360ca3432af6a0445fbd38fe6c0fa49a7b42181d /include/rdma
parent8435168d50e66fa5eae01852769d20a36f9e5e83 (diff)
downloadlinux-72e1ff0fb7e09c34956e4b3f619481da4d9787c1.tar.bz2
RDMA/core: Update query_gid documentation for HCA drivers
query_gid() should return right GID value for iWarp and IB link layers. It is a no-op for RoCE link layer. Update the documentation to reflect this. Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/rdma')
-rw-r--r--include/rdma/ib_verbs.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 48f416fabe0c..a2f658125795 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2141,6 +2141,10 @@ struct ib_device {
*/
struct net_device *(*get_netdev)(struct ib_device *device,
u8 port_num);
+ /* query_gid should be return GID value for @device, when @port_num
+ * link layer is either IB or iWarp. It is no-op if @port_num port
+ * is RoCE link layer.
+ */
int (*query_gid)(struct ib_device *device,
u8 port_num, int index,
union ib_gid *gid);