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Commit 4246f698 authored by Roi Dayan's avatar Roi Dayan Committed by Saeed Mahameed
Browse files

net/mlx5e: Fix traffic being dropped on VF representor 



Increase representor netdev RQ size to avoid dropped packets.
The current size (two) is just too small to keep up with
conventional slow path traffic patterns.
Also match the SQ size to the RQ size.

Fixes: cb67b832 ("net/mlx5e: Introduce SRIOV VF representors")
Signed-off-by: default avatarRoi Dayan <roid@mellanox.com>
Reviewed-by: default avatarPaul Blakey <paulb@mellanox.com>
Reviewed-by: default avatarOr Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: default avatarSaeed Mahameed <saeedm@mellanox.com>
parent b392a207

drivers/net/ethernet/mellanox/mlx5/core/en_rep.c

+7 −2
Original line number Original line Diff line number Diff line
@@ -44,6 +44,11 @@ 
#include "en_tc.h"

#include "en_tc.h"

#include "fs_core.h"

#include "fs_core.h"





#define MLX5E_REP_PARAMS_LOG_SQ_SIZE \

	max(0x6, MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE)

#define MLX5E_REP_PARAMS_LOG_RQ_SIZE \

	max(0x6, MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE)



static const char mlx5e_rep_driver_name[] = "mlx5e_rep";

static const char mlx5e_rep_driver_name[] = "mlx5e_rep";





static void mlx5e_rep_get_drvinfo(struct net_device *dev,

static void mlx5e_rep_get_drvinfo(struct net_device *dev,
@@ -878,9 +883,9 @@ static void mlx5e_build_rep_params(struct mlx5_core_dev *mdev, 
					 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :

					 MLX5_CQ_PERIOD_MODE_START_FROM_CQE :

					 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;

					 MLX5_CQ_PERIOD_MODE_START_FROM_EQE;





	params->log_sq_size = MLX5E_PARAMS_MINIMUM_LOG_SQ_SIZE;

	params->log_sq_size = MLX5E_REP_PARAMS_LOG_SQ_SIZE;

	params->rq_wq_type  = MLX5_WQ_TYPE_LINKED_LIST;

	params->rq_wq_type  = MLX5_WQ_TYPE_LINKED_LIST;

	params->log_rq_size = MLX5E_PARAMS_MINIMUM_LOG_RQ_SIZE;

	params->log_rq_size = MLX5E_REP_PARAMS_LOG_RQ_SIZE;





	params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);

	params->rx_dim_enabled = MLX5_CAP_GEN(mdev, cq_moderation);

	mlx5e_set_rx_cq_mode_params(params, cq_period_mode);

	mlx5e_set_rx_cq_mode_params(params, cq_period_mode);