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net/mlx5e: Have a single RSS Toeplitz hash key

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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: Achiad Shochat <achiad@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Achiad Shochat 2015-08-16 16:04:45 +03:00 committed by David S. Miller
parent 0aa65cc0c2
commit 57afead544
2 changed files with 5 additions and 1 deletions
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1
drivers/net/ethernet/mellanox/mlx5/core/en.h
View File

@ -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 {

5
drivers/net/ethernet/mellanox/mlx5/core/en_main.c
View File

@ -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;