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RDMA/core: Update query_gid documentation for HCA drivers

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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>
This commit is contained in:
Parav Pandit 2018-04-01 15:08:18 +03:00 committed by Jason Gunthorpe
parent 8435168d50
commit 72e1ff0fb7
1 changed files with 4 additions and 0 deletions
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4
include/rdma/ib_verbs.h
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@ -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);