]> git.baikalelectronics.ru Git - kernel.git/commit
net/mlx5e: Reset RQ doorbell counter before moving RQ state from RST to RDY
authorAya Levin <ayal@mellanox.com>
Mon, 9 Dec 2019 12:08:18 +0000 (14:08 +0200)
committerSaeed Mahameed <saeedm@mellanox.com>
Wed, 19 Feb 2020 03:01:19 +0000 (19:01 -0800)
commit9920106609e50b1927f2c88a9868ce91b293d9a0
tree2c763a5731f12b2646e5a28ce54d7427a0767f46
parentf75e651d36b6ef901497d608df5040db89b9ed9d
net/mlx5e: Reset RQ doorbell counter before moving RQ state from RST to RDY

Initialize RQ doorbell counters to zero prior to moving an RQ from RST
to RDY state. Per HW spec, when RQ is back to RDY state, the descriptor
ID on the completion is reset. The doorbell record must comply.

Fixes: cc3b057fe1c6 ("net/mlx5e: Report and recover from CQE with error on RQ")
Signed-off-by: Aya Levin <ayal@mellanox.com>
Reported-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
drivers/net/ethernet/mellanox/mlx5/core/wq.c
drivers/net/ethernet/mellanox/mlx5/core/wq.h