1fe6d86b3SSaeed Mahameed /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ 2fe6d86b3SSaeed Mahameed /* Copyright (c) 2018 Mellanox Technologies. */ 3fe6d86b3SSaeed Mahameed 4fe6d86b3SSaeed Mahameed #ifndef __MLX5E_FLOW_STEER_H__ 5fe6d86b3SSaeed Mahameed #define __MLX5E_FLOW_STEER_H__ 6fe6d86b3SSaeed Mahameed 744f68ae0SSaeed Mahameed enum { 844f68ae0SSaeed Mahameed MLX5E_TC_FT_LEVEL = 0, 944f68ae0SSaeed Mahameed MLX5E_TC_TTC_FT_LEVEL, 1044f68ae0SSaeed Mahameed }; 1144f68ae0SSaeed Mahameed 1244f68ae0SSaeed Mahameed struct mlx5e_tc_table { 13b6fac0b4SVlad Buslov /* protects flow table */ 14b6fac0b4SVlad Buslov struct mutex t_lock; 1544f68ae0SSaeed Mahameed struct mlx5_flow_table *t; 1644f68ae0SSaeed Mahameed 1744f68ae0SSaeed Mahameed struct rhashtable ht; 1844f68ae0SSaeed Mahameed 1944f68ae0SSaeed Mahameed DECLARE_HASHTABLE(mod_hdr_tbl, 8); 2044f68ae0SSaeed Mahameed DECLARE_HASHTABLE(hairpin_tbl, 8); 214d8fcf21SAlaa Hleihel 224d8fcf21SAlaa Hleihel struct notifier_block netdevice_nb; 2344f68ae0SSaeed Mahameed }; 2444f68ae0SSaeed Mahameed 25ec080045SSaeed Mahameed struct mlx5e_flow_table { 26ec080045SSaeed Mahameed int num_groups; 27ec080045SSaeed Mahameed struct mlx5_flow_table *t; 28ec080045SSaeed Mahameed struct mlx5_flow_group **g; 29ec080045SSaeed Mahameed }; 30ec080045SSaeed Mahameed 3144f68ae0SSaeed Mahameed struct mlx5e_l2_rule { 3244f68ae0SSaeed Mahameed u8 addr[ETH_ALEN + 2]; 3344f68ae0SSaeed Mahameed struct mlx5_flow_handle *rule; 3444f68ae0SSaeed Mahameed }; 3544f68ae0SSaeed Mahameed 3644f68ae0SSaeed Mahameed #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE) 3744f68ae0SSaeed Mahameed 3844f68ae0SSaeed Mahameed struct mlx5e_vlan_table { 3944f68ae0SSaeed Mahameed struct mlx5e_flow_table ft; 4044f68ae0SSaeed Mahameed DECLARE_BITMAP(active_cvlans, VLAN_N_VID); 4144f68ae0SSaeed Mahameed DECLARE_BITMAP(active_svlans, VLAN_N_VID); 4244f68ae0SSaeed Mahameed struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID]; 4344f68ae0SSaeed Mahameed struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID]; 4444f68ae0SSaeed Mahameed struct mlx5_flow_handle *untagged_rule; 4544f68ae0SSaeed Mahameed struct mlx5_flow_handle *any_cvlan_rule; 4644f68ae0SSaeed Mahameed struct mlx5_flow_handle *any_svlan_rule; 4744f68ae0SSaeed Mahameed bool cvlan_filter_disabled; 4844f68ae0SSaeed Mahameed }; 4944f68ae0SSaeed Mahameed 5044f68ae0SSaeed Mahameed struct mlx5e_l2_table { 5144f68ae0SSaeed Mahameed struct mlx5e_flow_table ft; 5244f68ae0SSaeed Mahameed struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE]; 5344f68ae0SSaeed Mahameed struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE]; 5444f68ae0SSaeed Mahameed struct mlx5e_l2_rule broadcast; 5544f68ae0SSaeed Mahameed struct mlx5e_l2_rule allmulti; 5644f68ae0SSaeed Mahameed struct mlx5e_l2_rule promisc; 5744f68ae0SSaeed Mahameed bool broadcast_enabled; 5844f68ae0SSaeed Mahameed bool allmulti_enabled; 5944f68ae0SSaeed Mahameed bool promisc_enabled; 6044f68ae0SSaeed Mahameed }; 6144f68ae0SSaeed Mahameed 6244f68ae0SSaeed Mahameed enum mlx5e_traffic_types { 6344f68ae0SSaeed Mahameed MLX5E_TT_IPV4_TCP, 6444f68ae0SSaeed Mahameed MLX5E_TT_IPV6_TCP, 6544f68ae0SSaeed Mahameed MLX5E_TT_IPV4_UDP, 6644f68ae0SSaeed Mahameed MLX5E_TT_IPV6_UDP, 6744f68ae0SSaeed Mahameed MLX5E_TT_IPV4_IPSEC_AH, 6844f68ae0SSaeed Mahameed MLX5E_TT_IPV6_IPSEC_AH, 6944f68ae0SSaeed Mahameed MLX5E_TT_IPV4_IPSEC_ESP, 7044f68ae0SSaeed Mahameed MLX5E_TT_IPV6_IPSEC_ESP, 7144f68ae0SSaeed Mahameed MLX5E_TT_IPV4, 7244f68ae0SSaeed Mahameed MLX5E_TT_IPV6, 7344f68ae0SSaeed Mahameed MLX5E_TT_ANY, 7444f68ae0SSaeed Mahameed MLX5E_NUM_TT, 7544f68ae0SSaeed Mahameed MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY, 7644f68ae0SSaeed Mahameed }; 7744f68ae0SSaeed Mahameed 78d930ac79SAya Levin struct mlx5e_tirc_config { 79d930ac79SAya Levin u8 l3_prot_type; 80d930ac79SAya Levin u8 l4_prot_type; 81d930ac79SAya Levin u32 rx_hash_fields; 82d930ac79SAya Levin }; 83d930ac79SAya Levin 84d930ac79SAya Levin #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ 85d930ac79SAya Levin MLX5_HASH_FIELD_SEL_DST_IP) 86d930ac79SAya Levin #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ 87d930ac79SAya Levin MLX5_HASH_FIELD_SEL_DST_IP |\ 88d930ac79SAya Levin MLX5_HASH_FIELD_SEL_L4_SPORT |\ 89d930ac79SAya Levin MLX5_HASH_FIELD_SEL_L4_DPORT) 90d930ac79SAya Levin #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ 91d930ac79SAya Levin MLX5_HASH_FIELD_SEL_DST_IP |\ 92d930ac79SAya Levin MLX5_HASH_FIELD_SEL_IPSEC_SPI) 93d930ac79SAya Levin 9444f68ae0SSaeed Mahameed enum mlx5e_tunnel_types { 9544f68ae0SSaeed Mahameed MLX5E_TT_IPV4_GRE, 9644f68ae0SSaeed Mahameed MLX5E_TT_IPV6_GRE, 9744f68ae0SSaeed Mahameed MLX5E_NUM_TUNNEL_TT, 9844f68ae0SSaeed Mahameed }; 9944f68ae0SSaeed Mahameed 10044f68ae0SSaeed Mahameed /* L3/L4 traffic type classifier */ 10144f68ae0SSaeed Mahameed struct mlx5e_ttc_table { 10244f68ae0SSaeed Mahameed struct mlx5e_flow_table ft; 10344f68ae0SSaeed Mahameed struct mlx5_flow_handle *rules[MLX5E_NUM_TT]; 10444f68ae0SSaeed Mahameed struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT]; 10544f68ae0SSaeed Mahameed }; 10644f68ae0SSaeed Mahameed 10744f68ae0SSaeed Mahameed /* NIC prio FTS */ 10844f68ae0SSaeed Mahameed enum { 10944f68ae0SSaeed Mahameed MLX5E_VLAN_FT_LEVEL = 0, 11044f68ae0SSaeed Mahameed MLX5E_L2_FT_LEVEL, 11144f68ae0SSaeed Mahameed MLX5E_TTC_FT_LEVEL, 11244f68ae0SSaeed Mahameed MLX5E_INNER_TTC_FT_LEVEL, 11344f68ae0SSaeed Mahameed #ifdef CONFIG_MLX5_EN_ARFS 11444f68ae0SSaeed Mahameed MLX5E_ARFS_FT_LEVEL 11544f68ae0SSaeed Mahameed #endif 11644f68ae0SSaeed Mahameed }; 11744f68ae0SSaeed Mahameed 118fe6d86b3SSaeed Mahameed #ifdef CONFIG_MLX5_EN_RXNFC 119fe6d86b3SSaeed Mahameed 120fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_table { 121fe6d86b3SSaeed Mahameed struct mlx5_flow_table *ft; 122fe6d86b3SSaeed Mahameed int num_rules; 123fe6d86b3SSaeed Mahameed }; 124fe6d86b3SSaeed Mahameed 125fe6d86b3SSaeed Mahameed #define ETHTOOL_NUM_L3_L4_FTS 7 126fe6d86b3SSaeed Mahameed #define ETHTOOL_NUM_L2_FTS 4 127fe6d86b3SSaeed Mahameed 128fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_steering { 129fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS]; 130fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS]; 131fe6d86b3SSaeed Mahameed struct list_head rules; 132fe6d86b3SSaeed Mahameed int tot_num_rules; 133fe6d86b3SSaeed Mahameed }; 134fe6d86b3SSaeed Mahameed 135fe6d86b3SSaeed Mahameed void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv); 136fe6d86b3SSaeed Mahameed void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv); 13779ce39beSSaeed Mahameed int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd); 13879ce39beSSaeed Mahameed int mlx5e_ethtool_get_rxnfc(struct net_device *dev, 139fe6d86b3SSaeed Mahameed struct ethtool_rxnfc *info, u32 *rule_locs); 140fe6d86b3SSaeed Mahameed #else 141fe6d86b3SSaeed Mahameed static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv) { } 142fe6d86b3SSaeed Mahameed static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { } 14379ce39beSSaeed Mahameed static inline int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 14479ce39beSSaeed Mahameed { return -EOPNOTSUPP; } 14579ce39beSSaeed Mahameed static inline int mlx5e_ethtool_get_rxnfc(struct net_device *dev, 14679ce39beSSaeed Mahameed struct ethtool_rxnfc *info, u32 *rule_locs) 14779ce39beSSaeed Mahameed { return -EOPNOTSUPP; } 148fe6d86b3SSaeed Mahameed #endif /* CONFIG_MLX5_EN_RXNFC */ 149fe6d86b3SSaeed Mahameed 150ec080045SSaeed Mahameed #ifdef CONFIG_MLX5_EN_ARFS 151ec080045SSaeed Mahameed #define ARFS_HASH_SHIFT BITS_PER_BYTE 152ec080045SSaeed Mahameed #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE) 153ec080045SSaeed Mahameed 154ec080045SSaeed Mahameed struct arfs_table { 155ec080045SSaeed Mahameed struct mlx5e_flow_table ft; 156ec080045SSaeed Mahameed struct mlx5_flow_handle *default_rule; 157ec080045SSaeed Mahameed struct hlist_head rules_hash[ARFS_HASH_SIZE]; 158ec080045SSaeed Mahameed }; 159ec080045SSaeed Mahameed 160ec080045SSaeed Mahameed enum arfs_type { 161ec080045SSaeed Mahameed ARFS_IPV4_TCP, 162ec080045SSaeed Mahameed ARFS_IPV6_TCP, 163ec080045SSaeed Mahameed ARFS_IPV4_UDP, 164ec080045SSaeed Mahameed ARFS_IPV6_UDP, 165ec080045SSaeed Mahameed ARFS_NUM_TYPES, 166ec080045SSaeed Mahameed }; 167ec080045SSaeed Mahameed 168ec080045SSaeed Mahameed struct mlx5e_arfs_tables { 169ec080045SSaeed Mahameed struct arfs_table arfs_tables[ARFS_NUM_TYPES]; 170ec080045SSaeed Mahameed /* Protect aRFS rules list */ 171ec080045SSaeed Mahameed spinlock_t arfs_lock; 172ec080045SSaeed Mahameed struct list_head rules; 173ec080045SSaeed Mahameed int last_filter_id; 174ec080045SSaeed Mahameed struct workqueue_struct *wq; 175ec080045SSaeed Mahameed }; 176ec080045SSaeed Mahameed 177ec080045SSaeed Mahameed int mlx5e_arfs_create_tables(struct mlx5e_priv *priv); 178ec080045SSaeed Mahameed void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv); 179ec080045SSaeed Mahameed int mlx5e_arfs_enable(struct mlx5e_priv *priv); 180ec080045SSaeed Mahameed int mlx5e_arfs_disable(struct mlx5e_priv *priv); 181ec080045SSaeed Mahameed int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, 182ec080045SSaeed Mahameed u16 rxq_index, u32 flow_id); 183ec080045SSaeed Mahameed #else 184ec080045SSaeed Mahameed static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; } 185ec080045SSaeed Mahameed static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {} 186ec080045SSaeed Mahameed static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; } 187ec080045SSaeed Mahameed static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; } 188ec080045SSaeed Mahameed #endif 189ec080045SSaeed Mahameed 19044f68ae0SSaeed Mahameed struct mlx5e_flow_steering { 19144f68ae0SSaeed Mahameed struct mlx5_flow_namespace *ns; 19244f68ae0SSaeed Mahameed #ifdef CONFIG_MLX5_EN_RXNFC 19344f68ae0SSaeed Mahameed struct mlx5e_ethtool_steering ethtool; 19444f68ae0SSaeed Mahameed #endif 19544f68ae0SSaeed Mahameed struct mlx5e_tc_table tc; 19644f68ae0SSaeed Mahameed struct mlx5e_vlan_table vlan; 19744f68ae0SSaeed Mahameed struct mlx5e_l2_table l2; 19844f68ae0SSaeed Mahameed struct mlx5e_ttc_table ttc; 19944f68ae0SSaeed Mahameed struct mlx5e_ttc_table inner_ttc; 20044f68ae0SSaeed Mahameed #ifdef CONFIG_MLX5_EN_ARFS 20144f68ae0SSaeed Mahameed struct mlx5e_arfs_tables arfs; 20244f68ae0SSaeed Mahameed #endif 20344f68ae0SSaeed Mahameed }; 20444f68ae0SSaeed Mahameed 20544f68ae0SSaeed Mahameed struct ttc_params { 20644f68ae0SSaeed Mahameed struct mlx5_flow_table_attr ft_attr; 20744f68ae0SSaeed Mahameed u32 any_tt_tirn; 20844f68ae0SSaeed Mahameed u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 20944f68ae0SSaeed Mahameed struct mlx5e_ttc_table *inner_ttc; 21044f68ae0SSaeed Mahameed }; 21144f68ae0SSaeed Mahameed 21244f68ae0SSaeed Mahameed void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params); 21344f68ae0SSaeed Mahameed void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params); 21444f68ae0SSaeed Mahameed void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params); 21544f68ae0SSaeed Mahameed 21644f68ae0SSaeed Mahameed int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params, 21744f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 21844f68ae0SSaeed Mahameed void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv, 21944f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 22044f68ae0SSaeed Mahameed 22144f68ae0SSaeed Mahameed int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params, 22244f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 22344f68ae0SSaeed Mahameed void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv, 22444f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 22544f68ae0SSaeed Mahameed 22644f68ae0SSaeed Mahameed void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft); 22744f68ae0SSaeed Mahameed 22844f68ae0SSaeed Mahameed void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv); 22944f68ae0SSaeed Mahameed void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv); 23044f68ae0SSaeed Mahameed 23144f68ae0SSaeed Mahameed int mlx5e_create_flow_steering(struct mlx5e_priv *priv); 23244f68ae0SSaeed Mahameed void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv); 23344f68ae0SSaeed Mahameed 234fe6d86b3SSaeed Mahameed #endif /* __MLX5E_FLOW_STEER_H__ */ 235fe6d86b3SSaeed Mahameed 236