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| author |   Leon Romanovsky <leonro@mellanox.com> | 2020-05-04 16:25:41 +0300 |
|---|---|---|
| committer |   Jason Gunthorpe <jgg@mellanox.com> | 2020-05-12 19:52:27 -0300 |
| commit | 17793833f81ceb319be599ec09498ec0136d9acf (patch) | |
| tree | 0045a4322114970052d518a5262ab12d3a24317d /include/uapi/rdma/rdma_user_cm.h | |
| parent | RDMA/mlx5: Remove duplicated assignment to variable rcqe_sz (diff) | |
| download | linux-dev-17793833f81ceb319be599ec09498ec0136d9acf.tar.xz linux-dev-17793833f81ceb319be599ec09498ec0136d9acf.zip | |
RDMA/ucma: Return stable IB device index as identifier
The librdmacm uses node_guid as identifier to correlate between IB devices
and CMA devices. However FW resets cause to such "connection" to be lost
and require from the user to restart its application.
Extend UCMA to return IB device index, which is stable identifier.
Link: https://lore.kernel.org/r/20200504132541.355710-1-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'include/uapi/rdma/rdma_user_cm.h')
| -rw-r--r-- | include/uapi/rdma/rdma_user_cm.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/uapi/rdma/rdma_user_cm.h b/include/uapi/rdma/rdma_user_cm.h index e42940a215a3..1bb6e75d254b 100644 --- a/include/uapi/rdma/rdma_user_cm.h +++ b/include/uapi/rdma/rdma_user_cm.h @@ -164,6 +164,8 @@ struct rdma_ucm_query_route_resp { __u32 num_paths; __u8 port_num; __u8 reserved[3]; + __u32 ibdev_index; + __u32 reserved1; }; struct rdma_ucm_query_addr_resp { @@ -175,6 +177,8 @@ struct rdma_ucm_query_addr_resp { __u16 dst_size; struct __kernel_sockaddr_storage src_addr; struct __kernel_sockaddr_storage dst_addr; + __u32 ibdev_index; + __u32 reserved1; }; struct rdma_ucm_query_path_resp { |