AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2025-01-25 00:20:12 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity
bac43b0f11
linux_dsm_epyc7002/drivers/infiniband/sw
History
Bob Pearson 965f559393 RDMA/rxe: Compute PSN windows correctly 
[ Upstream commit bb3ab2979fd69db23328691cb10067861df89037 ]

The code which limited the number of unacknowledged PSNs was incorrect.
The PSNs are limited to 24 bits and wrap back to zero from 0x00ffffff.
The test was computing a 32 bit value which wraps at 32 bits so that
qp->req.psn can appear smaller than the limit when it is actually larger.

Replace '>' test with psn_compare which is used for other PSN comparisons
and correctly handles the 24 bit size.

Fixes: 8700e3e7c4 ("Soft RoCE driver")
Link: https://lore.kernel.org/r/20201013170741.3590-1-rpearson@hpe.com
Signed-off-by: Bob Pearson <rpearson@hpe.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-12-30 11:52:58 +01:00
..
rdmavt RMDA/sw: Don't allow drivers using dma_virt_ops on highmem configs 2020-11-12 13:27:41 -04:00
rxe RDMA/rxe: Compute PSN windows correctly 2020-12-30 11:52:58 +01:00
siw RMDA/sw: Don't allow drivers using dma_virt_ops on highmem configs 2020-11-12 13:27:41 -04:00
Makefile rdma/siw: addition to kernel build environment 2019-07-02 17:03:41 -03:00