net/mlx4_en: Add accelerated RFS support

[deliverable/linux.git] / drivers / net / ethernet / mellanox / mlx4 / mlx4_en.h

diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
index a12632150b34c28ce7b21511b33ec788058c4a3f..af34c98d43e5b28eb249b61cd3e4f32225be2011 100644 (file)
--- a/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
+++ b/drivers/net/ethernet/mellanox/mlx4/mlx4_en.h
@@ -43,6 +43,7 @@
 #ifdef CONFIG_MLX4_EN_DCB
 #include <linux/dcbnl.h>
 #endif
+#include <linux/cpu_rmap.h>
 
 #include <linux/mlx4/device.h>
 #include <linux/mlx4/qp.h>
@@ -77,6 +78,9 @@
 #define STATS_DELAY            (HZ / 4)
 #define MAX_NUM_OF_FS_RULES    256
 
+#define MLX4_EN_FILTER_HASH_SHIFT 4
+#define MLX4_EN_FILTER_EXPIRY_QUOTA 60
+
 /* Typical TSO descriptor with 16 gather entries is 352 bytes... */
 #define MAX_DESC_SIZE          512
 #define MAX_DESC_TXBBS         (MAX_DESC_SIZE / TXBB_SIZE)
@@ -523,6 +527,13 @@ struct mlx4_en_priv {
        struct ieee_ets ets;
        u16 maxrate[IEEE_8021QAZ_MAX_TCS];
 #endif
+#ifdef CONFIG_RFS_ACCEL
+       spinlock_t filters_lock;
+       int last_filter_id;
+       struct list_head filters;
+       struct hlist_head filter_hash[1 << MLX4_EN_FILTER_HASH_SHIFT];
+#endif
+
 };
 
 enum mlx4_en_wol {
@@ -602,6 +613,11 @@ int mlx4_en_QUERY_PORT(struct mlx4_en_dev *mdev, u8 port);
 extern const struct dcbnl_rtnl_ops mlx4_en_dcbnl_ops;
 #endif
 
+#ifdef CONFIG_RFS_ACCEL
+void mlx4_en_cleanup_filters(struct mlx4_en_priv *priv,
+                            struct mlx4_en_rx_ring *rx_ring);
+#endif
+
 #define MLX4_EN_NUM_SELF_TEST  5
 void mlx4_en_ex_selftest(struct net_device *dev, u32 *flags, u64 *buf);
 u64 mlx4_en_mac_to_u64(u8 *addr);