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net/mlx5e: Increase Striding RQ minimum size limit to 4 multi-packet WQEs

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This is to prevent the case of working with a single MPWQE
(1 WQE is always reserved as RQ is linked-list).
When the WQE is fully consumed, HW should still have available buffer
in order not to drop packets.

Fixes: 461017cb006a ("net/mlx5e: Support RX multi-packet WQE (Striding RQ)")
Signed-off-by: Eugenia Emantayev <eugenia@mellanox.com>
Reviewed-by: Tariq Toukan <tariqt@mellanox.com>
Cc: kernel-team@fb.com
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
This commit is contained in:
Eugenia Emantayev 2017-01-12 17:11:45 +02:00 committed by Saeed Mahameed
parent 2e50b26195
commit d1c61e6d79
1 changed files with 1 additions and 1 deletions
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2
drivers/net/ethernet/mellanox/mlx5/core/en.h
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@ -67,7 +67,7 @@
#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd
#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x1
#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x2
#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW 0x3
#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW 0x6