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| author |   Saeed Mahameed <saeedm@mellanox.com> | 2018-07-12 03:01:26 -0700 |
|---|---|---|
| committer | Saeed Mahameed <saeedm@mellanox.com> | 2018-08-13 12:50:17 -0700 |
| commit | ec080045977073c5e69a7fddee3a8aef9bf62881 (patch) | |
| tree | 126d3bb094a79c08adf2090dd2d7e05c5c596fbe /drivers/net/ethernet/mellanox/mlx5/core/en | |
| parent | net/mlx5e: Add CONFIG_MLX5_EN_RXNFC for ethtool rx nfc (diff) | |
| download | linux-dev-ec080045977073c5e69a7fddee3a8aef9bf62881.tar.xz linux-dev-ec080045977073c5e69a7fddee3a8aef9bf62881.zip | |
net/mlx5e: Add CONFIG_MLX5_EN_ARFS for accelerated flow steering support
Add new mlx5 Kconfig flag to allow selecting accelerated flow steering
support, and compile out en_arfs.c if not selected.
Move arfs declarations and definitions to en/fs.h header file.
Signed-off-by: Saeed Mahameed <saeedm@mellanox.com>
Reviewed-by: Moshe Shemesh <moshe@mellanox.com>
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/fs.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h index 50b0784787bc..adc00ae7e9e9 100644 --- a/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h @@ -4,6 +4,12 @@ #ifndef __MLX5E_FLOW_STEER_H__ #define __MLX5E_FLOW_STEER_H__ +struct mlx5e_flow_table { + int num_groups; + struct mlx5_flow_table *t; + struct mlx5_flow_group **g; +}; + #ifdef CONFIG_MLX5_EN_RXNFC struct mlx5e_ethtool_table { @@ -31,5 +37,45 @@ static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv) { } static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { } #endif /* CONFIG_MLX5_EN_RXNFC */ +#ifdef CONFIG_MLX5_EN_ARFS +#define ARFS_HASH_SHIFT BITS_PER_BYTE +#define ARFS_HASH_SIZE BIT(BITS_PER_BYTE) + +struct arfs_table { + struct mlx5e_flow_table ft; + struct mlx5_flow_handle *default_rule; + struct hlist_head rules_hash[ARFS_HASH_SIZE]; +}; + +enum arfs_type { + ARFS_IPV4_TCP, + ARFS_IPV6_TCP, + ARFS_IPV4_UDP, + ARFS_IPV6_UDP, + ARFS_NUM_TYPES, +}; + +struct mlx5e_arfs_tables { + struct arfs_table arfs_tables[ARFS_NUM_TYPES]; + /* Protect aRFS rules list */ + spinlock_t arfs_lock; + struct list_head rules; + int last_filter_id; + struct workqueue_struct *wq; +}; + +int mlx5e_arfs_create_tables(struct mlx5e_priv *priv); +void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv); +int mlx5e_arfs_enable(struct mlx5e_priv *priv); +int mlx5e_arfs_disable(struct mlx5e_priv *priv); +int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, + u16 rxq_index, u32 flow_id); +#else +static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; } +static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {} +static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; } +static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; } +#endif + #endif /* __MLX5E_FLOW_STEER_H__ */ |