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authorOr Gerlitz <ogerlitz@mellanox.com>2011-11-26 19:54:58 +0000
committerDavid S. Miller <davem@davemloft.net>2011-11-27 17:17:03 -0500
commit876f6e67d1c617c098c67934a8d00b065bb9688b (patch)
tree1d66f498806971c4369f6d152046bcb163ee528f /include/linux/mlx4
parentfd4f862717ece652a76b4bb6c6d2c9656dbf0f7e (diff)
net/mlx4: move RSS related definitions to be global
Towards adding RSS support for IB drivers/application who use the mlx4 HW, make the RSS related definitions global and change the mlx4_en driver to use them. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/linux/mlx4')
-rw-r--r--include/linux/mlx4/qp.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index 48cc4cb9785..6562ff6aa9d 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -97,6 +97,33 @@ enum {
MLX4_QP_BIT_RIC = 1 << 4,
};
+enum {
+ MLX4_RSS_HASH_XOR = 0,
+ MLX4_RSS_HASH_TOP = 1,
+
+ MLX4_RSS_UDP_IPV6 = 1 << 0,
+ MLX4_RSS_UDP_IPV4 = 1 << 1,
+ MLX4_RSS_TCP_IPV6 = 1 << 2,
+ MLX4_RSS_IPV6 = 1 << 3,
+ MLX4_RSS_TCP_IPV4 = 1 << 4,
+ MLX4_RSS_IPV4 = 1 << 5,
+
+ /* offset of mlx4_rss_context within mlx4_qp_context.pri_path */
+ MLX4_RSS_OFFSET_IN_QPC_PRI_PATH = 0x24,
+ /* offset of being RSS indirection QP within mlx4_qp_context.flags */
+ MLX4_RSS_QPC_FLAG_OFFSET = 13,
+};
+
+struct mlx4_rss_context {
+ __be32 base_qpn;
+ __be32 default_qpn;
+ u16 reserved;
+ u8 hash_fn;
+ u8 flags;
+ __be32 rss_key[10];
+ __be32 base_qpn_udp;
+};
+
struct mlx4_qp_path {
u8 fl;
u8 reserved1[2];