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RDMA/mlx5: Add a umr recovery flow

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[ Upstream commit 158e71bb69 ]

When a UMR fails, the UMR QP state changes to an error state. Therefore,
all the further UMR operations will fail too.

Add a recovery flow to the UMR QP, and repost the flushed WQEs.

Link: https://lore.kernel.org/r/6cc24816cca049bd8541317f5e41d3ac659445d3.1652588303.git.leonro@nvidia.com
Signed-off-by: Aharon Landau <aharonl@nvidia.com>
Reviewed-by: Michael Guralnik <michaelgur@nvidia.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Stable-dep-of: 9b7d4be967 ("RDMA/mlx5: Fix UMR cleanup on error flow of driver init")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Aharon Landau 2022-05-15 07:19:53 +03:00 • committed by Greg Kroah-Hartman
commit d8f7bff9a4
3 changed files with 83 additions and 11 deletions
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