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 7b2fdf3d0SPaul Blakey #include "mod_hdr.h" 8b2fdf3d0SPaul Blakey 944f68ae0SSaeed Mahameed enum { 1044f68ae0SSaeed Mahameed MLX5E_TC_FT_LEVEL = 0, 1144f68ae0SSaeed Mahameed MLX5E_TC_TTC_FT_LEVEL, 1244f68ae0SSaeed Mahameed }; 1344f68ae0SSaeed Mahameed 1444f68ae0SSaeed Mahameed struct mlx5e_tc_table { 156a064674SAriel Levkovich /* Protects the dynamic assignment of the t parameter 166a064674SAriel Levkovich * which is the nic tc root table. 176a064674SAriel Levkovich */ 18b6fac0b4SVlad Buslov struct mutex t_lock; 1944f68ae0SSaeed Mahameed struct mlx5_flow_table *t; 206a064674SAriel Levkovich struct mlx5_fs_chains *chains; 2144f68ae0SSaeed Mahameed 2244f68ae0SSaeed Mahameed struct rhashtable ht; 2344f68ae0SSaeed Mahameed 24dd58edc3SVlad Buslov struct mod_hdr_tbl mod_hdr; 25b32accdaSVlad Buslov struct mutex hairpin_tbl_lock; /* protects hairpin_tbl */ 2644f68ae0SSaeed Mahameed DECLARE_HASHTABLE(hairpin_tbl, 8); 274d8fcf21SAlaa Hleihel 284d8fcf21SAlaa Hleihel struct notifier_block netdevice_nb; 29d48834f9SJiri Pirko struct netdev_net_notifier netdevice_nn; 30aedd133dSAriel Levkovich 31aedd133dSAriel Levkovich struct mlx5_tc_ct_priv *ct; 3244f68ae0SSaeed Mahameed }; 3344f68ae0SSaeed Mahameed 34ec080045SSaeed Mahameed struct mlx5e_flow_table { 35ec080045SSaeed Mahameed int num_groups; 36ec080045SSaeed Mahameed struct mlx5_flow_table *t; 37ec080045SSaeed Mahameed struct mlx5_flow_group **g; 38ec080045SSaeed Mahameed }; 39ec080045SSaeed Mahameed 4044f68ae0SSaeed Mahameed struct mlx5e_l2_rule { 4144f68ae0SSaeed Mahameed u8 addr[ETH_ALEN + 2]; 4244f68ae0SSaeed Mahameed struct mlx5_flow_handle *rule; 4344f68ae0SSaeed Mahameed }; 4444f68ae0SSaeed Mahameed 4544f68ae0SSaeed Mahameed #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE) 4644f68ae0SSaeed Mahameed 4744f68ae0SSaeed Mahameed struct mlx5e_vlan_table { 4844f68ae0SSaeed Mahameed struct mlx5e_flow_table ft; 4944f68ae0SSaeed Mahameed DECLARE_BITMAP(active_cvlans, VLAN_N_VID); 5044f68ae0SSaeed Mahameed DECLARE_BITMAP(active_svlans, VLAN_N_VID); 5144f68ae0SSaeed Mahameed struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID]; 5244f68ae0SSaeed Mahameed struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID]; 5344f68ae0SSaeed Mahameed struct mlx5_flow_handle *untagged_rule; 5444f68ae0SSaeed Mahameed struct mlx5_flow_handle *any_cvlan_rule; 5544f68ae0SSaeed Mahameed struct mlx5_flow_handle *any_svlan_rule; 5644f68ae0SSaeed Mahameed bool cvlan_filter_disabled; 5744f68ae0SSaeed Mahameed }; 5844f68ae0SSaeed Mahameed 5944f68ae0SSaeed Mahameed struct mlx5e_l2_table { 6044f68ae0SSaeed Mahameed struct mlx5e_flow_table ft; 6144f68ae0SSaeed Mahameed struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE]; 6244f68ae0SSaeed Mahameed struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE]; 6344f68ae0SSaeed Mahameed struct mlx5e_l2_rule broadcast; 6444f68ae0SSaeed Mahameed struct mlx5e_l2_rule allmulti; 6544f68ae0SSaeed Mahameed struct mlx5e_l2_rule promisc; 6644f68ae0SSaeed Mahameed bool broadcast_enabled; 6744f68ae0SSaeed Mahameed bool allmulti_enabled; 6844f68ae0SSaeed Mahameed bool promisc_enabled; 6944f68ae0SSaeed Mahameed }; 7044f68ae0SSaeed Mahameed 7144f68ae0SSaeed Mahameed enum mlx5e_traffic_types { 7244f68ae0SSaeed Mahameed MLX5E_TT_IPV4_TCP, 7344f68ae0SSaeed Mahameed MLX5E_TT_IPV6_TCP, 7444f68ae0SSaeed Mahameed MLX5E_TT_IPV4_UDP, 7544f68ae0SSaeed Mahameed MLX5E_TT_IPV6_UDP, 7644f68ae0SSaeed Mahameed MLX5E_TT_IPV4_IPSEC_AH, 7744f68ae0SSaeed Mahameed MLX5E_TT_IPV6_IPSEC_AH, 7844f68ae0SSaeed Mahameed MLX5E_TT_IPV4_IPSEC_ESP, 7944f68ae0SSaeed Mahameed MLX5E_TT_IPV6_IPSEC_ESP, 8044f68ae0SSaeed Mahameed MLX5E_TT_IPV4, 8144f68ae0SSaeed Mahameed MLX5E_TT_IPV6, 8244f68ae0SSaeed Mahameed MLX5E_TT_ANY, 8344f68ae0SSaeed Mahameed MLX5E_NUM_TT, 8444f68ae0SSaeed Mahameed MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY, 8544f68ae0SSaeed Mahameed }; 8644f68ae0SSaeed Mahameed 87d930ac79SAya Levin struct mlx5e_tirc_config { 88d930ac79SAya Levin u8 l3_prot_type; 89d930ac79SAya Levin u8 l4_prot_type; 90d930ac79SAya Levin u32 rx_hash_fields; 91d930ac79SAya Levin }; 92d930ac79SAya Levin 93d930ac79SAya Levin #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ 94d930ac79SAya Levin MLX5_HASH_FIELD_SEL_DST_IP) 95d930ac79SAya Levin #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ 96d930ac79SAya Levin MLX5_HASH_FIELD_SEL_DST_IP |\ 97d930ac79SAya Levin MLX5_HASH_FIELD_SEL_L4_SPORT |\ 98d930ac79SAya Levin MLX5_HASH_FIELD_SEL_L4_DPORT) 99d930ac79SAya Levin #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ 100d930ac79SAya Levin MLX5_HASH_FIELD_SEL_DST_IP |\ 101d930ac79SAya Levin MLX5_HASH_FIELD_SEL_IPSEC_SPI) 102d930ac79SAya Levin 10344f68ae0SSaeed Mahameed enum mlx5e_tunnel_types { 10444f68ae0SSaeed Mahameed MLX5E_TT_IPV4_GRE, 10544f68ae0SSaeed Mahameed MLX5E_TT_IPV6_GRE, 106a795d8dbSAya Levin MLX5E_TT_IPV4_IPIP, 107a795d8dbSAya Levin MLX5E_TT_IPV6_IPIP, 108a795d8dbSAya Levin MLX5E_TT_IPV4_IPV6, 109a795d8dbSAya Levin MLX5E_TT_IPV6_IPV6, 11044f68ae0SSaeed Mahameed MLX5E_NUM_TUNNEL_TT, 11144f68ae0SSaeed Mahameed }; 11244f68ae0SSaeed Mahameed 113a49e1f31SAya Levin bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev); 114a49e1f31SAya Levin 115b8922a73SSaeed Mahameed struct mlx5e_ttc_rule { 116b8922a73SSaeed Mahameed struct mlx5_flow_handle *rule; 117b8922a73SSaeed Mahameed struct mlx5_flow_destination default_dest; 118b8922a73SSaeed Mahameed }; 119b8922a73SSaeed Mahameed 12044f68ae0SSaeed Mahameed /* L3/L4 traffic type classifier */ 12144f68ae0SSaeed Mahameed struct mlx5e_ttc_table { 12244f68ae0SSaeed Mahameed struct mlx5e_flow_table ft; 123b8922a73SSaeed Mahameed struct mlx5e_ttc_rule rules[MLX5E_NUM_TT]; 12444f68ae0SSaeed Mahameed struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT]; 12544f68ae0SSaeed Mahameed }; 12644f68ae0SSaeed Mahameed 12744f68ae0SSaeed Mahameed /* NIC prio FTS */ 12844f68ae0SSaeed Mahameed enum { 12944f68ae0SSaeed Mahameed MLX5E_VLAN_FT_LEVEL = 0, 13044f68ae0SSaeed Mahameed MLX5E_L2_FT_LEVEL, 13144f68ae0SSaeed Mahameed MLX5E_TTC_FT_LEVEL, 13244f68ae0SSaeed Mahameed MLX5E_INNER_TTC_FT_LEVEL, 133c062d52aSBoris Pismenny #ifdef CONFIG_MLX5_EN_TLS 134c062d52aSBoris Pismenny MLX5E_ACCEL_FS_TCP_FT_LEVEL, 135c062d52aSBoris Pismenny #endif 13644f68ae0SSaeed Mahameed #ifdef CONFIG_MLX5_EN_ARFS 1375e466345SHuy Nguyen MLX5E_ARFS_FT_LEVEL, 1385e466345SHuy Nguyen #endif 1395e466345SHuy Nguyen #ifdef CONFIG_MLX5_EN_IPSEC 1405e466345SHuy Nguyen MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1, 1415e466345SHuy Nguyen MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL, 14244f68ae0SSaeed Mahameed #endif 14344f68ae0SSaeed Mahameed }; 14444f68ae0SSaeed Mahameed 1456412bb39SEli Cohen #define MLX5E_TTC_NUM_GROUPS 3 1466412bb39SEli Cohen #define MLX5E_TTC_GROUP1_SIZE (BIT(3) + MLX5E_NUM_TUNNEL_TT) 1476412bb39SEli Cohen #define MLX5E_TTC_GROUP2_SIZE BIT(1) 1486412bb39SEli Cohen #define MLX5E_TTC_GROUP3_SIZE BIT(0) 1496412bb39SEli Cohen #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\ 1506412bb39SEli Cohen MLX5E_TTC_GROUP2_SIZE +\ 1516412bb39SEli Cohen MLX5E_TTC_GROUP3_SIZE) 1526412bb39SEli Cohen 1536412bb39SEli Cohen #define MLX5E_INNER_TTC_NUM_GROUPS 3 1546412bb39SEli Cohen #define MLX5E_INNER_TTC_GROUP1_SIZE BIT(3) 1556412bb39SEli Cohen #define MLX5E_INNER_TTC_GROUP2_SIZE BIT(1) 1566412bb39SEli Cohen #define MLX5E_INNER_TTC_GROUP3_SIZE BIT(0) 1576412bb39SEli Cohen #define MLX5E_INNER_TTC_TABLE_SIZE (MLX5E_INNER_TTC_GROUP1_SIZE +\ 1586412bb39SEli Cohen MLX5E_INNER_TTC_GROUP2_SIZE +\ 1596412bb39SEli Cohen MLX5E_INNER_TTC_GROUP3_SIZE) 1606412bb39SEli Cohen 161fe6d86b3SSaeed Mahameed #ifdef CONFIG_MLX5_EN_RXNFC 162fe6d86b3SSaeed Mahameed 163fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_table { 164fe6d86b3SSaeed Mahameed struct mlx5_flow_table *ft; 165fe6d86b3SSaeed Mahameed int num_rules; 166fe6d86b3SSaeed Mahameed }; 167fe6d86b3SSaeed Mahameed 168fe6d86b3SSaeed Mahameed #define ETHTOOL_NUM_L3_L4_FTS 7 169fe6d86b3SSaeed Mahameed #define ETHTOOL_NUM_L2_FTS 4 170fe6d86b3SSaeed Mahameed 171fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_steering { 172fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS]; 173fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS]; 174fe6d86b3SSaeed Mahameed struct list_head rules; 175fe6d86b3SSaeed Mahameed int tot_num_rules; 176fe6d86b3SSaeed Mahameed }; 177fe6d86b3SSaeed Mahameed 178fe6d86b3SSaeed Mahameed void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv); 179fe6d86b3SSaeed Mahameed void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv); 18079ce39beSSaeed Mahameed int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd); 18179ce39beSSaeed Mahameed int mlx5e_ethtool_get_rxnfc(struct net_device *dev, 182fe6d86b3SSaeed Mahameed struct ethtool_rxnfc *info, u32 *rule_locs); 183fe6d86b3SSaeed Mahameed #else 184fe6d86b3SSaeed Mahameed static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv) { } 185fe6d86b3SSaeed Mahameed static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { } 18679ce39beSSaeed Mahameed static inline int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 18779ce39beSSaeed Mahameed { return -EOPNOTSUPP; } 18879ce39beSSaeed Mahameed static inline int mlx5e_ethtool_get_rxnfc(struct net_device *dev, 18979ce39beSSaeed Mahameed struct ethtool_rxnfc *info, u32 *rule_locs) 19079ce39beSSaeed Mahameed { return -EOPNOTSUPP; } 191fe6d86b3SSaeed Mahameed #endif /* CONFIG_MLX5_EN_RXNFC */ 192fe6d86b3SSaeed Mahameed 193ec080045SSaeed Mahameed #ifdef CONFIG_MLX5_EN_ARFS 194ec080045SSaeed Mahameed #define ARFS_HASH_SHIFT BITS_PER_BYTE 195ec080045SSaeed Mahameed #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE) 196ec080045SSaeed Mahameed 197ec080045SSaeed Mahameed struct arfs_table { 198ec080045SSaeed Mahameed struct mlx5e_flow_table ft; 199ec080045SSaeed Mahameed struct mlx5_flow_handle *default_rule; 200ec080045SSaeed Mahameed struct hlist_head rules_hash[ARFS_HASH_SIZE]; 201ec080045SSaeed Mahameed }; 202ec080045SSaeed Mahameed 203ec080045SSaeed Mahameed enum arfs_type { 204ec080045SSaeed Mahameed ARFS_IPV4_TCP, 205ec080045SSaeed Mahameed ARFS_IPV6_TCP, 206ec080045SSaeed Mahameed ARFS_IPV4_UDP, 207ec080045SSaeed Mahameed ARFS_IPV6_UDP, 208ec080045SSaeed Mahameed ARFS_NUM_TYPES, 209ec080045SSaeed Mahameed }; 210ec080045SSaeed Mahameed 211ec080045SSaeed Mahameed struct mlx5e_arfs_tables { 212ec080045SSaeed Mahameed struct arfs_table arfs_tables[ARFS_NUM_TYPES]; 213ec080045SSaeed Mahameed /* Protect aRFS rules list */ 214ec080045SSaeed Mahameed spinlock_t arfs_lock; 215ec080045SSaeed Mahameed struct list_head rules; 216ec080045SSaeed Mahameed int last_filter_id; 217ec080045SSaeed Mahameed struct workqueue_struct *wq; 218ec080045SSaeed Mahameed }; 219ec080045SSaeed Mahameed 220ec080045SSaeed Mahameed int mlx5e_arfs_create_tables(struct mlx5e_priv *priv); 221ec080045SSaeed Mahameed void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv); 222ec080045SSaeed Mahameed int mlx5e_arfs_enable(struct mlx5e_priv *priv); 223ec080045SSaeed Mahameed int mlx5e_arfs_disable(struct mlx5e_priv *priv); 224ec080045SSaeed Mahameed int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, 225ec080045SSaeed Mahameed u16 rxq_index, u32 flow_id); 226ec080045SSaeed Mahameed #else 227ec080045SSaeed Mahameed static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; } 228ec080045SSaeed Mahameed static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {} 229ec080045SSaeed Mahameed static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; } 230ec080045SSaeed Mahameed static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; } 231ec080045SSaeed Mahameed #endif 232ec080045SSaeed Mahameed 233c062d52aSBoris Pismenny #ifdef CONFIG_MLX5_EN_TLS 234c062d52aSBoris Pismenny struct mlx5e_accel_fs_tcp; 235c062d52aSBoris Pismenny #endif 236c062d52aSBoris Pismenny 23744f68ae0SSaeed Mahameed struct mlx5e_flow_steering { 23844f68ae0SSaeed Mahameed struct mlx5_flow_namespace *ns; 23944f68ae0SSaeed Mahameed #ifdef CONFIG_MLX5_EN_RXNFC 24044f68ae0SSaeed Mahameed struct mlx5e_ethtool_steering ethtool; 24144f68ae0SSaeed Mahameed #endif 24244f68ae0SSaeed Mahameed struct mlx5e_tc_table tc; 24344f68ae0SSaeed Mahameed struct mlx5e_vlan_table vlan; 24444f68ae0SSaeed Mahameed struct mlx5e_l2_table l2; 24544f68ae0SSaeed Mahameed struct mlx5e_ttc_table ttc; 24644f68ae0SSaeed Mahameed struct mlx5e_ttc_table inner_ttc; 24744f68ae0SSaeed Mahameed #ifdef CONFIG_MLX5_EN_ARFS 24844f68ae0SSaeed Mahameed struct mlx5e_arfs_tables arfs; 24944f68ae0SSaeed Mahameed #endif 250c062d52aSBoris Pismenny #ifdef CONFIG_MLX5_EN_TLS 251c062d52aSBoris Pismenny struct mlx5e_accel_fs_tcp *accel_tcp; 252c062d52aSBoris Pismenny #endif 25344f68ae0SSaeed Mahameed }; 25444f68ae0SSaeed Mahameed 25544f68ae0SSaeed Mahameed struct ttc_params { 25644f68ae0SSaeed Mahameed struct mlx5_flow_table_attr ft_attr; 25744f68ae0SSaeed Mahameed u32 any_tt_tirn; 25844f68ae0SSaeed Mahameed u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 25944f68ae0SSaeed Mahameed struct mlx5e_ttc_table *inner_ttc; 26044f68ae0SSaeed Mahameed }; 26144f68ae0SSaeed Mahameed 26244f68ae0SSaeed Mahameed void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params); 26344f68ae0SSaeed Mahameed void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params); 26444f68ae0SSaeed Mahameed void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params); 26544f68ae0SSaeed Mahameed 26644f68ae0SSaeed Mahameed int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params, 26744f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 26844f68ae0SSaeed Mahameed void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv, 26944f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 27044f68ae0SSaeed Mahameed 27144f68ae0SSaeed Mahameed int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params, 27244f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 27344f68ae0SSaeed Mahameed void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv, 27444f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 27544f68ae0SSaeed Mahameed 27644f68ae0SSaeed Mahameed void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft); 277b8922a73SSaeed Mahameed int mlx5e_ttc_fwd_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type, 278b8922a73SSaeed Mahameed struct mlx5_flow_destination *new_dest); 279b8922a73SSaeed Mahameed struct mlx5_flow_destination 280b8922a73SSaeed Mahameed mlx5e_ttc_get_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type); 281b8922a73SSaeed Mahameed int mlx5e_ttc_fwd_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type); 28244f68ae0SSaeed Mahameed 28344f68ae0SSaeed Mahameed void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv); 28444f68ae0SSaeed Mahameed void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv); 28544f68ae0SSaeed Mahameed 28644f68ae0SSaeed Mahameed int mlx5e_create_flow_steering(struct mlx5e_priv *priv); 28744f68ae0SSaeed Mahameed void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv); 28844f68ae0SSaeed Mahameed 289e3a53bc5SMarina Varshaver bool mlx5e_tunnel_proto_supported(struct mlx5_core_dev *mdev, u8 proto_type); 290e3a53bc5SMarina Varshaver bool mlx5e_any_tunnel_proto_supported(struct mlx5_core_dev *mdev); 291e3a53bc5SMarina Varshaver 292fe6d86b3SSaeed Mahameed #endif /* __MLX5E_FLOW_STEER_H__ */ 293fe6d86b3SSaeed Mahameed 294