diff options
Diffstat (limited to 'drivers/net/ethernet/mellanox/mlx5/core/en/fs.h')
| -rw-r--r-- | drivers/net/ethernet/mellanox/mlx5/core/en/fs.h | 210 |
1 files changed, 210 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 new file mode 100644 index 000000000000..bbf69e859b78 --- /dev/null +++ b/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h @@ -0,0 +1,210 @@ +/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ +/* Copyright (c) 2018 Mellanox Technologies. */ + +#ifndef __MLX5E_FLOW_STEER_H__ +#define __MLX5E_FLOW_STEER_H__ + +enum { + MLX5E_TC_FT_LEVEL = 0, + MLX5E_TC_TTC_FT_LEVEL, +}; + +struct mlx5e_tc_table { + struct mlx5_flow_table *t; + + struct rhashtable ht; + + DECLARE_HASHTABLE(mod_hdr_tbl, 8); + DECLARE_HASHTABLE(hairpin_tbl, 8); +}; + +struct mlx5e_flow_table { + int num_groups; + struct mlx5_flow_table *t; + struct mlx5_flow_group **g; +}; + +struct mlx5e_l2_rule { + u8 addr[ETH_ALEN + 2]; + struct mlx5_flow_handle *rule; +}; + +#define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE) + +struct mlx5e_vlan_table { + struct mlx5e_flow_table ft; + DECLARE_BITMAP(active_cvlans, VLAN_N_VID); + DECLARE_BITMAP(active_svlans, VLAN_N_VID); + struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID]; + struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID]; + struct mlx5_flow_handle *untagged_rule; + struct mlx5_flow_handle *any_cvlan_rule; + struct mlx5_flow_handle *any_svlan_rule; + bool cvlan_filter_disabled; +}; + +struct mlx5e_l2_table { + struct mlx5e_flow_table ft; + struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE]; + struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE]; + struct mlx5e_l2_rule broadcast; + struct mlx5e_l2_rule allmulti; + struct mlx5e_l2_rule promisc; + bool broadcast_enabled; + bool allmulti_enabled; + bool promisc_enabled; +}; + +enum mlx5e_traffic_types { + MLX5E_TT_IPV4_TCP, + MLX5E_TT_IPV6_TCP, + MLX5E_TT_IPV4_UDP, + MLX5E_TT_IPV6_UDP, + MLX5E_TT_IPV4_IPSEC_AH, + MLX5E_TT_IPV6_IPSEC_AH, + MLX5E_TT_IPV4_IPSEC_ESP, + MLX5E_TT_IPV6_IPSEC_ESP, + MLX5E_TT_IPV4, + MLX5E_TT_IPV6, + MLX5E_TT_ANY, + MLX5E_NUM_TT, + MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY, +}; + +enum mlx5e_tunnel_types { + MLX5E_TT_IPV4_GRE, + MLX5E_TT_IPV6_GRE, + MLX5E_NUM_TUNNEL_TT, +}; + +/* L3/L4 traffic type classifier */ +struct mlx5e_ttc_table { + struct mlx5e_flow_table ft; + struct mlx5_flow_handle *rules[MLX5E_NUM_TT]; + struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT]; +}; + +/* NIC prio FTS */ +enum { + MLX5E_VLAN_FT_LEVEL = 0, + MLX5E_L2_FT_LEVEL, + MLX5E_TTC_FT_LEVEL, + MLX5E_INNER_TTC_FT_LEVEL, +#ifdef CONFIG_MLX5_EN_ARFS + MLX5E_ARFS_FT_LEVEL +#endif +}; + +#ifdef CONFIG_MLX5_EN_RXNFC + +struct mlx5e_ethtool_table { + struct mlx5_flow_table *ft; + int num_rules; +}; + +#define ETHTOOL_NUM_L3_L4_FTS 7 +#define ETHTOOL_NUM_L2_FTS 4 + +struct mlx5e_ethtool_steering { + struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS]; + struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS]; + struct list_head rules; + int tot_num_rules; +}; + +void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv); +void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv); +int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd); +int mlx5e_get_rxnfc(struct net_device *dev, + struct ethtool_rxnfc *info, u32 *rule_locs); +#else +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 + +struct mlx5e_flow_steering { + struct mlx5_flow_namespace *ns; +#ifdef CONFIG_MLX5_EN_RXNFC + struct mlx5e_ethtool_steering ethtool; +#endif + struct mlx5e_tc_table tc; + struct mlx5e_vlan_table vlan; + struct mlx5e_l2_table l2; + struct mlx5e_ttc_table ttc; + struct mlx5e_ttc_table inner_ttc; +#ifdef CONFIG_MLX5_EN_ARFS + struct mlx5e_arfs_tables arfs; +#endif +}; + +struct ttc_params { + struct mlx5_flow_table_attr ft_attr; + u32 any_tt_tirn; + u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; + struct mlx5e_ttc_table *inner_ttc; +}; + +void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params); +void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params); +void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params); + +int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params, + struct mlx5e_ttc_table *ttc); +void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv, + struct mlx5e_ttc_table *ttc); + +int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params, + struct mlx5e_ttc_table *ttc); +void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv, + struct mlx5e_ttc_table *ttc); + +void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft); + +void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv); +void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv); + +int mlx5e_create_flow_steering(struct mlx5e_priv *priv); +void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv); + +#endif /* __MLX5E_FLOW_STEER_H__ */ + |