diff options
| author | Aya Levin <ayal@mellanox.com> | 2019-12-09 15:08:18 +0300 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2020-02-19 06:01:19 +0300 |
| commit | 5ee090ed0da649b1febae2b7c285ac77d1e55a0c (patch) | |
| tree | 2c763a5731f12b2646e5a28ce54d7427a0767f46 /drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h | |
| parent | 3d9c5e023a0dbf3e117bb416cfefd9405bf5af0c (diff) | |
| download | linux-5ee090ed0da649b1febae2b7c285ac77d1e55a0c.tar.xz | |
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: 8276ea1353a4 ("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>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h index 7c8796d9743f..a226277b0980 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/txrx.h @@ -179,6 +179,14 @@ mlx5e_tx_dma_unmap(struct device *pdev, struct mlx5e_sq_dma *dma) } } +static inline void mlx5e_rqwq_reset(struct mlx5e_rq *rq) +{ + if (rq->wq_type == MLX5_WQ_TYPE_LINKED_LIST_STRIDING_RQ) + mlx5_wq_ll_reset(&rq->mpwqe.wq); + else + mlx5_wq_cyc_reset(&rq->wqe.wq); +} + /* SW parser related functions */ struct mlx5e_swp_spec { |