diff options
author | Eric Dumazet <edumazet@google.com> | 2014-11-16 06:23:16 -0800 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-11-16 15:59:13 -0500 |
commit | b9d1ab7eb42ede51ffbb6cafffd0a521b30c12e1 (patch) | |
tree | 98b5fe3058b3ec7e8743444fa277bfe8a98891c9 /drivers/net/ethernet/mellanox/mlx4/en_rx.c | |
parent | 9913c61c4486e2452ca848729dede6038adb6ec2 (diff) | |
download | op-kernel-dev-b9d1ab7eb42ede51ffbb6cafffd0a521b30c12e1.zip op-kernel-dev-b9d1ab7eb42ede51ffbb6cafffd0a521b30c12e1.tar.gz |
mlx4: use netdev_rss_key_fill() helper
Use of well known RSS key increases attack surface.
Switch to a random one, using generic helper so that all
ports share a common key.
Also provide ethtool -x support to fetch RSS key
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Amir Vadai <amirv@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx4/en_rx.c')
-rw-r--r-- | drivers/net/ethernet/mellanox/mlx4/en_rx.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx4/en_rx.c b/drivers/net/ethernet/mellanox/mlx4/en_rx.c index ccd9517..b7bda89 100644 --- a/drivers/net/ethernet/mellanox/mlx4/en_rx.c +++ b/drivers/net/ethernet/mellanox/mlx4/en_rx.c @@ -1169,9 +1169,6 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv) int i, qpn; int err = 0; int good_qps = 0; - static const u32 rsskey[10] = { 0xD181C62C, 0xF7F4DB5B, 0x1983A2FC, - 0x943E1ADB, 0xD9389E6B, 0xD1039C2C, 0xA74499AD, - 0x593D56D9, 0xF3253C06, 0x2ADC1FFC}; en_dbg(DRV, priv, "Configuring rss steering\n"); err = mlx4_qp_reserve_range(mdev->dev, priv->rx_ring_num, @@ -1226,8 +1223,7 @@ int mlx4_en_config_rss_steer(struct mlx4_en_priv *priv) rss_context->flags = rss_mask; rss_context->hash_fn = MLX4_RSS_HASH_TOP; - for (i = 0; i < 10; i++) - rss_context->rss_key[i] = cpu_to_be32(rsskey[i]); + netdev_rss_key_fill(rss_context->rss_key, MLX4_EN_RSS_KEY_SIZE); err = mlx4_qp_to_ready(mdev->dev, &priv->res.mtt, &context, &rss_map->indir_qp, &rss_map->indir_state); |