]> www.infradead.org Git - linux.git/commit
RDMA/bnxt_re: Fix incorrect AVID type in WQE structure
authorSaravanan Vajravel <saravanan.vajravel@broadcom.com>
Thu, 19 Sep 2024 03:05:57 +0000 (20:05 -0700)
committerLeon Romanovsky <leon@kernel.org>
Tue, 8 Oct 2024 07:12:20 +0000 (10:12 +0300)
commit9ab20f76ae9fad55ebaf36bdff04aea1c2552374
tree614a1c74f352bf26f69eac7ce6a2610461e50f75
parent3fc5410f225d1651580a4aeb7c72f55e28673b53
RDMA/bnxt_re: Fix incorrect AVID type in WQE structure

Driver uses internal data structure to construct WQE frame.
It used avid type as u16 which can accommodate up to 64K AVs.
When outstanding AVID crosses 64K, driver truncates AVID and
hence it uses incorrect AVID to WR. This leads to WR failure
due to invalid AV ID and QP is moved to error state with reason
set to 19 (INVALID AVID). When RDMA CM path is used, this issue
hits QP1 and it is moved to error state

Fixes: 1ac5a4047975 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Link: https://patch.msgid.link/r/1726715161-18941-3-git-send-email-selvin.xavier@broadcom.com
Reviewed-by: Selvin Xavier <selvin.xavier@broadcom.com>
Reviewed-by: Chandramohan Akula <chandramohan.akula@broadcom.com>
Signed-off-by: Saravanan Vajravel <saravanan.vajravel@broadcom.com>
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
drivers/infiniband/hw/bnxt_re/qplib_fp.h