path: root/include/rdma/ib_verbs.h
diff options
authorDanit Goldberg <danitg@mellanox.com>2019-07-05 19:21:57 +0300
committerJason Gunthorpe <jgg@mellanox.com>2019-07-08 14:26:37 -0300
commit89705e92700170888236555fe91b45e4c1bb0985 (patch)
tree1c391de45ce67230703b5b68727d235ed8700f41 /include/rdma/ib_verbs.h
parentdocs: infiniband: add it to the driver-api bookset (diff)
IB/mlx5: Report correctly tag matching rendezvous capability
Userspace expects the IB_TM_CAP_RC bit to indicate that the device supports RC transport tag matching with rendezvous offload. However the firmware splits this into two capabilities for eager and rendezvous tag matching. Only if the FW supports both modes should userspace be told the tag matching capability is available. Cc: <stable@vger.kernel.org> # 4.13 Fixes: eb761894351d ("IB/mlx5: Fill XRQ capabilities") Signed-off-by: Danit Goldberg <danitg@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Reviewed-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to '')
1 files changed, 2 insertions, 2 deletions
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index 50806bef9f20..4053be51b7fa 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -307,8 +307,8 @@ struct ib_rss_caps {
enum ib_tm_cap_flags {
- /* Support tag matching on RC transport */
- IB_TM_CAP_RC = 1 << 0,
+ /* Support tag matching with rendezvous offload for RC transport */
+ IB_TM_CAP_RNDV_RC = 1 << 0,
struct ib_tm_caps {