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authorEric Dumazet <edumazet@google.com>2014-11-16 06:23:16 -0800
committerDavid S. Miller <davem@davemloft.net>2014-11-16 15:59:13 -0500
commitb9d1ab7eb42ede51ffbb6cafffd0a521b30c12e1 (patch)
tree98b5fe3058b3ec7e8743444fa277bfe8a98891c9 /include/linux/mlx4
parent9913c61c4486e2452ca848729dede6038adb6ec2 (diff)
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 'include/linux/mlx4')
-rw-r--r--include/linux/mlx4/qp.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 5f4e36cf0091..467ccdf94c98 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -120,13 +120,15 @@ enum {
MLX4_RSS_QPC_FLAG_OFFSET = 13,
};
+#define MLX4_EN_RSS_KEY_SIZE 40
+
struct mlx4_rss_context {
__be32 base_qpn;
__be32 default_qpn;
u16 reserved;
u8 hash_fn;
u8 flags;
- __be32 rss_key[10];
+ __be32 rss_key[MLX4_EN_RSS_KEY_SIZE / sizeof(__be32)];
__be32 base_qpn_udp;
};