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authorAharon Landau <aharonl@nvidia.com>2022-05-15 06:19:53 +0200
committerLeon Romanovsky <leonro@nvidia.com>2022-06-07 11:57:41 +0200
commit158e71bb69e368b8b33e8b7c4ac8c111da0c1ae2 (patch)
tree25467e144ee8975363db933b9cc9b7db84ee225f /drivers/infiniband/hw/mlx5/cq.c
parentRDMA/hfi1: Fix typo in comment (diff)
downloadlinux-158e71bb69e368b8b33e8b7c4ac8c111da0c1ae2.tar.xz
linux-158e71bb69e368b8b33e8b7c4ac8c111da0c1ae2.zip
RDMA/mlx5: Add a umr recovery flow
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>
Diffstat (limited to 'drivers/infiniband/hw/mlx5/cq.c')
-rw-r--r--drivers/infiniband/hw/mlx5/cq.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/infiniband/hw/mlx5/cq.c b/drivers/infiniband/hw/mlx5/cq.c
index 08371a80fdc2..be189e0525de 100644
--- a/drivers/infiniband/hw/mlx5/cq.c
+++ b/drivers/infiniband/hw/mlx5/cq.c
@@ -523,6 +523,10 @@ repoll:
"Requestor" : "Responder", cq->mcq.cqn);
mlx5_ib_dbg(dev, "syndrome 0x%x, vendor syndrome 0x%x\n",
err_cqe->syndrome, err_cqe->vendor_err_synd);
+ if (wc->status != IB_WC_WR_FLUSH_ERR &&
+ (*cur_qp)->type == MLX5_IB_QPT_REG_UMR)
+ dev->umrc.state = MLX5_UMR_STATE_RECOVER;
+
if (opcode == MLX5_CQE_REQ_ERR) {
wq = &(*cur_qp)->sq;
wqe_ctr = be16_to_cpu(cqe64->wqe_counter);