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RDMA/cma: Provide ECE reject reason

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IBTA declares "vendor option not supported" reject reason in REJ messages
if passive side doesn't want to accept proposed ECE options.

Due to the fact that ECE is managed by userspace, there is a need to let
users to provide such rejected reason.

Link: https://lore.kernel.org/r/20200526103304.196371-7-leon@kernel.org
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky
2020-05-26 13:33:04 +03:00
committed by Jason Gunthorpe
parent 0cb15372a6
commit 8094ba0ace
9 changed files with 34 additions and 14 deletions
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3
include/uapi/rdma/rdma_user_cm.h
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@@ -238,7 +238,8 @@ struct rdma_ucm_accept {
struct rdma_ucm_reject {
__u32 id;
__u8 private_data_len;
__u8 reserved[3];
__u8 reason;
__u8 reserved[2];
__u8 private_data[RDMA_MAX_PRIVATE_DATA];
};