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Commit 57afead5 authored by Achiad Shochat's avatar Achiad Shochat Committed by David S. Miller
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net/mlx5e: Have a single RSS Toeplitz hash key 



No need to generate a unique key per TIR.
Generating a single key per netdev and copying it to all
its TIRs.

Signed-off-by: default avatarAchiad Shochat <achiad@mellanox.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 0aa65cc0

drivers/net/ethernet/mellanox/mlx5/core/en.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -273,6 +273,7 @@ struct mlx5e_params { 
	u32 lro_wqe_sz;

	u32 lro_wqe_sz;

	u8  rss_hfunc;

	u8  rss_hfunc;

	u16 tx_max_inline;

	u16 tx_max_inline;

	u8 toeplitz_hash_key[40];

};

};





enum {

enum {

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

+4 −1
Original line number Original line Diff line number Diff line
@@ -1611,7 +1611,7 @@ static void mlx5e_build_tir_ctx(struct mlx5e_priv *priv, u32 *tirc, int tt) 
						       rx_hash_toeplitz_key);

						       rx_hash_toeplitz_key);





			MLX5_SET(tirc, tirc, rx_hash_symmetric, 1);

			MLX5_SET(tirc, tirc, rx_hash_symmetric, 1);

			netdev_rss_key_fill(rss_key, len);

			memcpy(rss_key, priv->params.toeplitz_hash_key, len);

		}

		}

		break;

		break;

	}

	}
@@ -1939,6 +1939,9 @@ static void mlx5e_build_netdev_priv(struct mlx5_core_dev *mdev, 
	priv->params.default_vlan_prio     = 0;

	priv->params.default_vlan_prio     = 0;

	priv->params.rss_hfunc             = ETH_RSS_HASH_XOR;

	priv->params.rss_hfunc             = ETH_RSS_HASH_XOR;





	netdev_rss_key_fill(priv->params.toeplitz_hash_key,

			    sizeof(priv->params.toeplitz_hash_key));



	priv->params.lro_en = false && !!MLX5_CAP_ETH(priv->mdev, lro_cap);

	priv->params.lro_en = false && !!MLX5_CAP_ETH(priv->mdev, lro_cap);

	priv->params.lro_wqe_sz            =

	priv->params.lro_wqe_sz            =

		MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ;

		MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ;