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

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.

Eugenia Emantayev committed 9 years ago

Commit d1c61e61 parent 2e50b261 file · +1 −1Browse files

Unified · Split

drivers/net/ethernet/mellanox/mlx5/core/en.h+1−1

@@ -67,7 +67,7 @@ · 66 unmodified lines
67	#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa	67	#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE 0xa
68	#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd	68	#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE 0xd
69		69
70	#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x1	70	#define MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE_MPW 0x2
71	#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW 0x3	71	#define MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE_MPW 0x3
72	#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW 0x6	72	#define MLX5E_PARAMS_MAXIMUM_LOG_RQ_SIZE_MPW 0x6
73		73