From: Parav Pandit <parav@mellanox.com>
Date: Sun, 1 Apr 2018 15:08:18 +0300
Subject: RDMA/core: Update query_gid documentation for HCA drivers
Patch-mainline: v4.17-rc1
Git-commit: 72e1ff0fb7e09c34956e4b3f619481da4d9787c1
References: bsc#1103992 FATE#326009
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>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
include/rdma/ib_verbs.h | 4 ++++
1 file changed, 4 insertions(+)
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -2137,6 +2137,10 @@ 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);