| /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
| /* Copyright (c) 2018 Mellanox Technologies. */ |
| |
| #ifndef __MLX5E_FLOW_STEER_H__ |
| #define __MLX5E_FLOW_STEER_H__ |
| |
| #include "mod_hdr.h" |
| |
| enum { |
| MLX5E_TC_FT_LEVEL = 0, |
| MLX5E_TC_TTC_FT_LEVEL, |
| }; |
| |
| struct mlx5e_tc_table { |
| /* Protects the dynamic assignment of the t parameter |
| * which is the nic tc root table. |
| */ |
| struct mutex t_lock; |
| struct mlx5_flow_table *t; |
| struct mlx5_fs_chains *chains; |
| |
| struct rhashtable ht; |
| |
| struct mod_hdr_tbl mod_hdr; |
| struct mutex hairpin_tbl_lock; /* protects hairpin_tbl */ |
| DECLARE_HASHTABLE(hairpin_tbl, 8); |
| |
| struct notifier_block netdevice_nb; |
| struct netdev_net_notifier netdevice_nn; |
| |
| struct mlx5_tc_ct_priv *ct; |
| }; |
| |
| 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, |
| }; |
| |
| struct mlx5e_tirc_config { |
| u8 l3_prot_type; |
| u8 l4_prot_type; |
| u32 rx_hash_fields; |
| }; |
| |
| #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
| MLX5_HASH_FIELD_SEL_DST_IP) |
| #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
| MLX5_HASH_FIELD_SEL_DST_IP |\ |
| MLX5_HASH_FIELD_SEL_L4_SPORT |\ |
| MLX5_HASH_FIELD_SEL_L4_DPORT) |
| #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ |
| MLX5_HASH_FIELD_SEL_DST_IP |\ |
| MLX5_HASH_FIELD_SEL_IPSEC_SPI) |
| |
| enum mlx5e_tunnel_types { |
| MLX5E_TT_IPV4_GRE, |
| MLX5E_TT_IPV6_GRE, |
| MLX5E_TT_IPV4_IPIP, |
| MLX5E_TT_IPV6_IPIP, |
| MLX5E_TT_IPV4_IPV6, |
| MLX5E_TT_IPV6_IPV6, |
| MLX5E_NUM_TUNNEL_TT, |
| }; |
| |
| bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev); |
| |
| struct mlx5e_ttc_rule { |
| struct mlx5_flow_handle *rule; |
| struct mlx5_flow_destination default_dest; |
| }; |
| |
| /* L3/L4 traffic type classifier */ |
| struct mlx5e_ttc_table { |
| struct mlx5e_flow_table ft; |
| struct mlx5e_ttc_rule 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_TLS |
| MLX5E_ACCEL_FS_TCP_FT_LEVEL, |
| #endif |
| #ifdef CONFIG_MLX5_EN_ARFS |
| MLX5E_ARFS_FT_LEVEL, |
| #endif |
| #ifdef CONFIG_MLX5_EN_IPSEC |
| MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1, |
| MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL, |
| #endif |
| }; |
| |
| #define MLX5E_TTC_NUM_GROUPS 3 |
| #define MLX5E_TTC_GROUP1_SIZE (BIT(3) + MLX5E_NUM_TUNNEL_TT) |
| #define MLX5E_TTC_GROUP2_SIZE BIT(1) |
| #define MLX5E_TTC_GROUP3_SIZE BIT(0) |
| #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\ |
| MLX5E_TTC_GROUP2_SIZE +\ |
| MLX5E_TTC_GROUP3_SIZE) |
| |
| #define MLX5E_INNER_TTC_NUM_GROUPS 3 |
| #define MLX5E_INNER_TTC_GROUP1_SIZE BIT(3) |
| #define MLX5E_INNER_TTC_GROUP2_SIZE BIT(1) |
| #define MLX5E_INNER_TTC_GROUP3_SIZE BIT(0) |
| #define MLX5E_INNER_TTC_TABLE_SIZE (MLX5E_INNER_TTC_GROUP1_SIZE +\ |
| MLX5E_INNER_TTC_GROUP2_SIZE +\ |
| MLX5E_INNER_TTC_GROUP3_SIZE) |
| |
| #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_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd); |
| int mlx5e_ethtool_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) { } |
| static inline int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) |
| { return -EOPNOTSUPP; } |
| static inline int mlx5e_ethtool_get_rxnfc(struct net_device *dev, |
| struct ethtool_rxnfc *info, u32 *rule_locs) |
| { return -EOPNOTSUPP; } |
| #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 |
| |
| #ifdef CONFIG_MLX5_EN_TLS |
| struct mlx5e_accel_fs_tcp; |
| #endif |
| |
| struct mlx5e_flow_steering { |
| struct mlx5_flow_namespace *ns; |
| struct mlx5_flow_namespace *egress_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 |
| #ifdef CONFIG_MLX5_EN_TLS |
| struct mlx5e_accel_fs_tcp *accel_tcp; |
| #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); |
| int mlx5e_ttc_fwd_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type, |
| struct mlx5_flow_destination *new_dest); |
| struct mlx5_flow_destination |
| mlx5e_ttc_get_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type); |
| int mlx5e_ttc_fwd_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type); |
| |
| 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); |
| |
| u8 mlx5e_get_proto_by_tunnel_type(enum mlx5e_tunnel_types tt); |
| |
| #endif /* __MLX5E_FLOW_STEER_H__ */ |
| |