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; 3044f68ae0SSaeed Mahameed }; 3144f68ae0SSaeed Mahameed 32ec080045SSaeed Mahameed struct mlx5e_flow_table { 33ec080045SSaeed Mahameed int num_groups; 34ec080045SSaeed Mahameed struct mlx5_flow_table *t; 35ec080045SSaeed Mahameed struct mlx5_flow_group **g; 36ec080045SSaeed Mahameed }; 37ec080045SSaeed Mahameed 3844f68ae0SSaeed Mahameed struct mlx5e_l2_rule { 3944f68ae0SSaeed Mahameed u8 addr[ETH_ALEN + 2]; 4044f68ae0SSaeed Mahameed struct mlx5_flow_handle *rule; 4144f68ae0SSaeed Mahameed }; 4244f68ae0SSaeed Mahameed 4344f68ae0SSaeed Mahameed #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE) 4444f68ae0SSaeed Mahameed 4544f68ae0SSaeed Mahameed struct mlx5e_vlan_table { 4644f68ae0SSaeed Mahameed struct mlx5e_flow_table ft; 4744f68ae0SSaeed Mahameed DECLARE_BITMAP(active_cvlans, VLAN_N_VID); 4844f68ae0SSaeed Mahameed DECLARE_BITMAP(active_svlans, VLAN_N_VID); 4944f68ae0SSaeed Mahameed struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID]; 5044f68ae0SSaeed Mahameed struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID]; 5144f68ae0SSaeed Mahameed struct mlx5_flow_handle *untagged_rule; 5244f68ae0SSaeed Mahameed struct mlx5_flow_handle *any_cvlan_rule; 5344f68ae0SSaeed Mahameed struct mlx5_flow_handle *any_svlan_rule; 5444f68ae0SSaeed Mahameed bool cvlan_filter_disabled; 5544f68ae0SSaeed Mahameed }; 5644f68ae0SSaeed Mahameed 5744f68ae0SSaeed Mahameed struct mlx5e_l2_table { 5844f68ae0SSaeed Mahameed struct mlx5e_flow_table ft; 5944f68ae0SSaeed Mahameed struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE]; 6044f68ae0SSaeed Mahameed struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE]; 6144f68ae0SSaeed Mahameed struct mlx5e_l2_rule broadcast; 6244f68ae0SSaeed Mahameed struct mlx5e_l2_rule allmulti; 6344f68ae0SSaeed Mahameed struct mlx5e_l2_rule promisc; 6444f68ae0SSaeed Mahameed bool broadcast_enabled; 6544f68ae0SSaeed Mahameed bool allmulti_enabled; 6644f68ae0SSaeed Mahameed bool promisc_enabled; 6744f68ae0SSaeed Mahameed }; 6844f68ae0SSaeed Mahameed 6944f68ae0SSaeed Mahameed enum mlx5e_traffic_types { 7044f68ae0SSaeed Mahameed MLX5E_TT_IPV4_TCP, 7144f68ae0SSaeed Mahameed MLX5E_TT_IPV6_TCP, 7244f68ae0SSaeed Mahameed MLX5E_TT_IPV4_UDP, 7344f68ae0SSaeed Mahameed MLX5E_TT_IPV6_UDP, 7444f68ae0SSaeed Mahameed MLX5E_TT_IPV4_IPSEC_AH, 7544f68ae0SSaeed Mahameed MLX5E_TT_IPV6_IPSEC_AH, 7644f68ae0SSaeed Mahameed MLX5E_TT_IPV4_IPSEC_ESP, 7744f68ae0SSaeed Mahameed MLX5E_TT_IPV6_IPSEC_ESP, 7844f68ae0SSaeed Mahameed MLX5E_TT_IPV4, 7944f68ae0SSaeed Mahameed MLX5E_TT_IPV6, 8044f68ae0SSaeed Mahameed MLX5E_TT_ANY, 8144f68ae0SSaeed Mahameed MLX5E_NUM_TT, 8244f68ae0SSaeed Mahameed MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY, 8344f68ae0SSaeed Mahameed }; 8444f68ae0SSaeed Mahameed 85d930ac79SAya Levin struct mlx5e_tirc_config { 86d930ac79SAya Levin u8 l3_prot_type; 87d930ac79SAya Levin u8 l4_prot_type; 88d930ac79SAya Levin u32 rx_hash_fields; 89d930ac79SAya Levin }; 90d930ac79SAya Levin 91d930ac79SAya Levin #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ 92d930ac79SAya Levin MLX5_HASH_FIELD_SEL_DST_IP) 93d930ac79SAya Levin #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\ 94d930ac79SAya Levin MLX5_HASH_FIELD_SEL_DST_IP |\ 95d930ac79SAya Levin MLX5_HASH_FIELD_SEL_L4_SPORT |\ 96d930ac79SAya Levin MLX5_HASH_FIELD_SEL_L4_DPORT) 97d930ac79SAya Levin #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ 98d930ac79SAya Levin MLX5_HASH_FIELD_SEL_DST_IP |\ 99d930ac79SAya Levin MLX5_HASH_FIELD_SEL_IPSEC_SPI) 100d930ac79SAya Levin 10144f68ae0SSaeed Mahameed enum mlx5e_tunnel_types { 10244f68ae0SSaeed Mahameed MLX5E_TT_IPV4_GRE, 10344f68ae0SSaeed Mahameed MLX5E_TT_IPV6_GRE, 104a795d8dbSAya Levin MLX5E_TT_IPV4_IPIP, 105a795d8dbSAya Levin MLX5E_TT_IPV6_IPIP, 106a795d8dbSAya Levin MLX5E_TT_IPV4_IPV6, 107a795d8dbSAya Levin MLX5E_TT_IPV6_IPV6, 10844f68ae0SSaeed Mahameed MLX5E_NUM_TUNNEL_TT, 10944f68ae0SSaeed Mahameed }; 11044f68ae0SSaeed Mahameed 111a49e1f31SAya Levin bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev); 112a49e1f31SAya Levin 113b8922a73SSaeed Mahameed struct mlx5e_ttc_rule { 114b8922a73SSaeed Mahameed struct mlx5_flow_handle *rule; 115b8922a73SSaeed Mahameed struct mlx5_flow_destination default_dest; 116b8922a73SSaeed Mahameed }; 117b8922a73SSaeed Mahameed 11844f68ae0SSaeed Mahameed /* L3/L4 traffic type classifier */ 11944f68ae0SSaeed Mahameed struct mlx5e_ttc_table { 12044f68ae0SSaeed Mahameed struct mlx5e_flow_table ft; 121b8922a73SSaeed Mahameed struct mlx5e_ttc_rule rules[MLX5E_NUM_TT]; 12244f68ae0SSaeed Mahameed struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT]; 12344f68ae0SSaeed Mahameed }; 12444f68ae0SSaeed Mahameed 12544f68ae0SSaeed Mahameed /* NIC prio FTS */ 12644f68ae0SSaeed Mahameed enum { 12744f68ae0SSaeed Mahameed MLX5E_VLAN_FT_LEVEL = 0, 12844f68ae0SSaeed Mahameed MLX5E_L2_FT_LEVEL, 12944f68ae0SSaeed Mahameed MLX5E_TTC_FT_LEVEL, 13044f68ae0SSaeed Mahameed MLX5E_INNER_TTC_FT_LEVEL, 131c062d52aSBoris Pismenny #ifdef CONFIG_MLX5_EN_TLS 132c062d52aSBoris Pismenny MLX5E_ACCEL_FS_TCP_FT_LEVEL, 133c062d52aSBoris Pismenny #endif 13444f68ae0SSaeed Mahameed #ifdef CONFIG_MLX5_EN_ARFS 1355e466345SHuy Nguyen MLX5E_ARFS_FT_LEVEL, 1365e466345SHuy Nguyen #endif 1375e466345SHuy Nguyen #ifdef CONFIG_MLX5_EN_IPSEC 1385e466345SHuy Nguyen MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1, 1395e466345SHuy Nguyen MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL, 14044f68ae0SSaeed Mahameed #endif 14144f68ae0SSaeed Mahameed }; 14244f68ae0SSaeed Mahameed 1436412bb39SEli Cohen #define MLX5E_TTC_NUM_GROUPS 3 1446412bb39SEli Cohen #define MLX5E_TTC_GROUP1_SIZE (BIT(3) + MLX5E_NUM_TUNNEL_TT) 1456412bb39SEli Cohen #define MLX5E_TTC_GROUP2_SIZE BIT(1) 1466412bb39SEli Cohen #define MLX5E_TTC_GROUP3_SIZE BIT(0) 1476412bb39SEli Cohen #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\ 1486412bb39SEli Cohen MLX5E_TTC_GROUP2_SIZE +\ 1496412bb39SEli Cohen MLX5E_TTC_GROUP3_SIZE) 1506412bb39SEli Cohen 1516412bb39SEli Cohen #define MLX5E_INNER_TTC_NUM_GROUPS 3 1526412bb39SEli Cohen #define MLX5E_INNER_TTC_GROUP1_SIZE BIT(3) 1536412bb39SEli Cohen #define MLX5E_INNER_TTC_GROUP2_SIZE BIT(1) 1546412bb39SEli Cohen #define MLX5E_INNER_TTC_GROUP3_SIZE BIT(0) 1556412bb39SEli Cohen #define MLX5E_INNER_TTC_TABLE_SIZE (MLX5E_INNER_TTC_GROUP1_SIZE +\ 1566412bb39SEli Cohen MLX5E_INNER_TTC_GROUP2_SIZE +\ 1576412bb39SEli Cohen MLX5E_INNER_TTC_GROUP3_SIZE) 1586412bb39SEli Cohen 159fe6d86b3SSaeed Mahameed #ifdef CONFIG_MLX5_EN_RXNFC 160fe6d86b3SSaeed Mahameed 161fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_table { 162fe6d86b3SSaeed Mahameed struct mlx5_flow_table *ft; 163fe6d86b3SSaeed Mahameed int num_rules; 164fe6d86b3SSaeed Mahameed }; 165fe6d86b3SSaeed Mahameed 166fe6d86b3SSaeed Mahameed #define ETHTOOL_NUM_L3_L4_FTS 7 167fe6d86b3SSaeed Mahameed #define ETHTOOL_NUM_L2_FTS 4 168fe6d86b3SSaeed Mahameed 169fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_steering { 170fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS]; 171fe6d86b3SSaeed Mahameed struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS]; 172fe6d86b3SSaeed Mahameed struct list_head rules; 173fe6d86b3SSaeed Mahameed int tot_num_rules; 174fe6d86b3SSaeed Mahameed }; 175fe6d86b3SSaeed Mahameed 176fe6d86b3SSaeed Mahameed void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv); 177fe6d86b3SSaeed Mahameed void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv); 17879ce39beSSaeed Mahameed int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd); 17979ce39beSSaeed Mahameed int mlx5e_ethtool_get_rxnfc(struct net_device *dev, 180fe6d86b3SSaeed Mahameed struct ethtool_rxnfc *info, u32 *rule_locs); 181fe6d86b3SSaeed Mahameed #else 182fe6d86b3SSaeed Mahameed static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv) { } 183fe6d86b3SSaeed Mahameed static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { } 18479ce39beSSaeed Mahameed static inline int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd) 18579ce39beSSaeed Mahameed { return -EOPNOTSUPP; } 18679ce39beSSaeed Mahameed static inline int mlx5e_ethtool_get_rxnfc(struct net_device *dev, 18779ce39beSSaeed Mahameed struct ethtool_rxnfc *info, u32 *rule_locs) 18879ce39beSSaeed Mahameed { return -EOPNOTSUPP; } 189fe6d86b3SSaeed Mahameed #endif /* CONFIG_MLX5_EN_RXNFC */ 190fe6d86b3SSaeed Mahameed 191ec080045SSaeed Mahameed #ifdef CONFIG_MLX5_EN_ARFS 192ec080045SSaeed Mahameed #define ARFS_HASH_SHIFT BITS_PER_BYTE 193ec080045SSaeed Mahameed #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE) 194ec080045SSaeed Mahameed 195ec080045SSaeed Mahameed struct arfs_table { 196ec080045SSaeed Mahameed struct mlx5e_flow_table ft; 197ec080045SSaeed Mahameed struct mlx5_flow_handle *default_rule; 198ec080045SSaeed Mahameed struct hlist_head rules_hash[ARFS_HASH_SIZE]; 199ec080045SSaeed Mahameed }; 200ec080045SSaeed Mahameed 201ec080045SSaeed Mahameed enum arfs_type { 202ec080045SSaeed Mahameed ARFS_IPV4_TCP, 203ec080045SSaeed Mahameed ARFS_IPV6_TCP, 204ec080045SSaeed Mahameed ARFS_IPV4_UDP, 205ec080045SSaeed Mahameed ARFS_IPV6_UDP, 206ec080045SSaeed Mahameed ARFS_NUM_TYPES, 207ec080045SSaeed Mahameed }; 208ec080045SSaeed Mahameed 209ec080045SSaeed Mahameed struct mlx5e_arfs_tables { 210ec080045SSaeed Mahameed struct arfs_table arfs_tables[ARFS_NUM_TYPES]; 211ec080045SSaeed Mahameed /* Protect aRFS rules list */ 212ec080045SSaeed Mahameed spinlock_t arfs_lock; 213ec080045SSaeed Mahameed struct list_head rules; 214ec080045SSaeed Mahameed int last_filter_id; 215ec080045SSaeed Mahameed struct workqueue_struct *wq; 216ec080045SSaeed Mahameed }; 217ec080045SSaeed Mahameed 218ec080045SSaeed Mahameed int mlx5e_arfs_create_tables(struct mlx5e_priv *priv); 219ec080045SSaeed Mahameed void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv); 220ec080045SSaeed Mahameed int mlx5e_arfs_enable(struct mlx5e_priv *priv); 221ec080045SSaeed Mahameed int mlx5e_arfs_disable(struct mlx5e_priv *priv); 222ec080045SSaeed Mahameed int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb, 223ec080045SSaeed Mahameed u16 rxq_index, u32 flow_id); 224ec080045SSaeed Mahameed #else 225ec080045SSaeed Mahameed static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; } 226ec080045SSaeed Mahameed static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {} 227ec080045SSaeed Mahameed static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; } 228ec080045SSaeed Mahameed static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; } 229ec080045SSaeed Mahameed #endif 230ec080045SSaeed Mahameed 231c062d52aSBoris Pismenny #ifdef CONFIG_MLX5_EN_TLS 232c062d52aSBoris Pismenny struct mlx5e_accel_fs_tcp; 233c062d52aSBoris Pismenny #endif 234c062d52aSBoris Pismenny 23544f68ae0SSaeed Mahameed struct mlx5e_flow_steering { 23644f68ae0SSaeed Mahameed struct mlx5_flow_namespace *ns; 23744f68ae0SSaeed Mahameed #ifdef CONFIG_MLX5_EN_RXNFC 23844f68ae0SSaeed Mahameed struct mlx5e_ethtool_steering ethtool; 23944f68ae0SSaeed Mahameed #endif 24044f68ae0SSaeed Mahameed struct mlx5e_tc_table tc; 24144f68ae0SSaeed Mahameed struct mlx5e_vlan_table vlan; 24244f68ae0SSaeed Mahameed struct mlx5e_l2_table l2; 24344f68ae0SSaeed Mahameed struct mlx5e_ttc_table ttc; 24444f68ae0SSaeed Mahameed struct mlx5e_ttc_table inner_ttc; 24544f68ae0SSaeed Mahameed #ifdef CONFIG_MLX5_EN_ARFS 24644f68ae0SSaeed Mahameed struct mlx5e_arfs_tables arfs; 24744f68ae0SSaeed Mahameed #endif 248c062d52aSBoris Pismenny #ifdef CONFIG_MLX5_EN_TLS 249c062d52aSBoris Pismenny struct mlx5e_accel_fs_tcp *accel_tcp; 250c062d52aSBoris Pismenny #endif 25144f68ae0SSaeed Mahameed }; 25244f68ae0SSaeed Mahameed 25344f68ae0SSaeed Mahameed struct ttc_params { 25444f68ae0SSaeed Mahameed struct mlx5_flow_table_attr ft_attr; 25544f68ae0SSaeed Mahameed u32 any_tt_tirn; 25644f68ae0SSaeed Mahameed u32 indir_tirn[MLX5E_NUM_INDIR_TIRS]; 25744f68ae0SSaeed Mahameed struct mlx5e_ttc_table *inner_ttc; 25844f68ae0SSaeed Mahameed }; 25944f68ae0SSaeed Mahameed 26044f68ae0SSaeed Mahameed void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params); 26144f68ae0SSaeed Mahameed void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params); 26244f68ae0SSaeed Mahameed void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params); 26344f68ae0SSaeed Mahameed 26444f68ae0SSaeed Mahameed int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params, 26544f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 26644f68ae0SSaeed Mahameed void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv, 26744f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 26844f68ae0SSaeed Mahameed 26944f68ae0SSaeed Mahameed int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params, 27044f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 27144f68ae0SSaeed Mahameed void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv, 27244f68ae0SSaeed Mahameed struct mlx5e_ttc_table *ttc); 27344f68ae0SSaeed Mahameed 27444f68ae0SSaeed Mahameed void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft); 275b8922a73SSaeed Mahameed int mlx5e_ttc_fwd_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type, 276b8922a73SSaeed Mahameed struct mlx5_flow_destination *new_dest); 277b8922a73SSaeed Mahameed struct mlx5_flow_destination 278b8922a73SSaeed Mahameed mlx5e_ttc_get_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type); 279b8922a73SSaeed Mahameed int mlx5e_ttc_fwd_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type); 28044f68ae0SSaeed Mahameed 28144f68ae0SSaeed Mahameed void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv); 28244f68ae0SSaeed Mahameed void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv); 28344f68ae0SSaeed Mahameed 28444f68ae0SSaeed Mahameed int mlx5e_create_flow_steering(struct mlx5e_priv *priv); 28544f68ae0SSaeed Mahameed void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv); 28644f68ae0SSaeed Mahameed 287e3a53bc5SMarina Varshaver bool mlx5e_tunnel_proto_supported(struct mlx5_core_dev *mdev, u8 proto_type); 288e3a53bc5SMarina Varshaver bool mlx5e_any_tunnel_proto_supported(struct mlx5_core_dev *mdev); 289e3a53bc5SMarina Varshaver 290fe6d86b3SSaeed Mahameed #endif /* __MLX5E_FLOW_STEER_H__ */ 291fe6d86b3SSaeed Mahameed 292