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| author | Honggang LI <honggangli@163.com> | 2024-05-23 17:46:17 +0800 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2024-06-09 11:51:32 +0300 |
| commit | f67ac0061c7614c1548963d3ef1ee1606efd8636 (patch) | |
| tree | badb2888aa59932108bbdb240083b8929d807f9b /tools/perf/scripts/python/exported-sql-viewer.py | |
| parent | 03fa18a992d5626fd7bf3557a52e826bf8b326b3 (diff) | |
RDMA/rxe: Fix responder length checking for UD request packets
According to the IBA specification:
If a UD request packet is detected with an invalid length, the request
shall be an invalid request and it shall be silently dropped by
the responder. The responder then waits for a new request packet.
commit 689c5421bfe0 ("RDMA/rxe: Fix incorrect responder length checking")
defers responder length check for UD QPs in function `copy_data`.
But it introduces a regression issue for UD QPs.
When the packet size is too large to fit in the receive buffer.
`copy_data` will return error code -EINVAL. Then `send_data_in`
will return RESPST_ERR_MALFORMED_WQE. UD QP will transfer into
ERROR state.
Fixes: 689c5421bfe0 ("RDMA/rxe: Fix incorrect responder length checking")
Signed-off-by: Honggang LI <honggangli@163.com>
Link: https://lore.kernel.org/r/20240523094617.141148-1-honggangli@163.com
Reviewed-by: Zhu Yanjun <yanjun.zhu@linux.dev>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/exported-sql-viewer.py')
0 files changed, 0 insertions, 0 deletions