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RDMA/bnxt_re: Fix incorrect AVID type in WQE structure

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[ Upstream commit 9ab20f76ae9fad55ebaf36bdff04aea1c2552374 ]

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: 1ac5a40479 ("RDMA/bnxt_re: Add bnxt_re RoCE driver")
Link: https://patch.msgid.link/r/[email protected]
Reviewed-by: Selvin Xavier <[email protected]>
Reviewed-by: Chandramohan Akula <[email protected]>
Signed-off-by: Saravanan Vajravel <[email protected]>
Signed-off-by: Kalesh AP <[email protected]>
Signed-off-by: Selvin Xavier <[email protected]>
Signed-off-by: Jason Gunthorpe <[email protected]>
Signed-off-by: Leon Romanovsky <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
This commit is contained in:
Saravanan Vajravel 2024-09-18 20:05:57 -07:00 • committed by Greg Kroah-Hartman
commit 17648b72cb
1 changed files with 1 additions and 1 deletions
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2
drivers/infiniband/hw/bnxt_re/qplib_fp.h
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@ -150,7 +150,7 @@ struct bnxt_qplib_swqe {
};
u32 q_key;
u32 dst_qp;
u16 avid;
u32 avid;
} send;
/* Send Raw Ethernet and QP1 */