/* 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" #include "lib/fs_ttc.h" struct mlx5e_post_act; enum { MLX5E_TC_FT_LEVEL = 0, MLX5E_TC_TTC_FT_LEVEL, MLX5E_TC_MISS_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_flow_table *miss_t; struct mlx5_fs_chains *chains; struct mlx5e_post_act *post_act; 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 mapping_ctx *mapping; }; 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_promisc_table { struct mlx5e_flow_table ft; struct mlx5_flow_handle *rule; }; /* Forward declaration and APIs to get private fields of vlan_table */ struct mlx5e_vlan_table; unsigned long *mlx5e_vlan_get_active_svlans(struct mlx5e_vlan_table *vlan); struct mlx5_flow_table *mlx5e_vlan_get_flowtable(struct mlx5e_vlan_table *vlan); 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 mlx5_flow_handle *trap_rule; bool broadcast_enabled; bool allmulti_enabled; bool promisc_enabled; }; #define MLX5E_NUM_INDIR_TIRS (MLX5_NUM_TT - 1) #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) /* NIC prio FTS */ enum { MLX5E_PROMISC_FT_LEVEL, MLX5E_VLAN_FT_LEVEL, MLX5E_L2_FT_LEVEL, MLX5E_TTC_FT_LEVEL, MLX5E_INNER_TTC_FT_LEVEL, MLX5E_FS_TT_UDP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1, MLX5E_FS_TT_ANY_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1, #ifdef CONFIG_MLX5_EN_TLS MLX5E_ACCEL_FS_TCP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1, #endif #ifdef CONFIG_MLX5_EN_ARFS MLX5E_ARFS_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1, #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 }; struct mlx5e_priv; #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 struct mlx5e_arfs_tables; 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_fs_udp; struct mlx5e_fs_any; struct mlx5e_ptp_fs; 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_promisc_table promisc; struct mlx5e_vlan_table *vlan; struct mlx5e_l2_table l2; struct mlx5_ttc_table *ttc; struct mlx5_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 mlx5e_fs_udp *udp; struct mlx5e_fs_any *any; struct mlx5e_ptp_fs *ptp_fs; }; void mlx5e_set_ttc_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params, bool tunnel); void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv); int mlx5e_create_ttc_table(struct mlx5e_priv *priv); 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); int mlx5e_fs_init(struct mlx5e_priv *priv); void mlx5e_fs_cleanup(struct mlx5e_priv *priv); int mlx5e_add_vlan_trap(struct mlx5e_priv *priv, int trap_id, int tir_num); void mlx5e_remove_vlan_trap(struct mlx5e_priv *priv); int mlx5e_add_mac_trap(struct mlx5e_priv *priv, int trap_id, int tir_num); void mlx5e_remove_mac_trap(struct mlx5e_priv *priv); #endif /* __MLX5E_FLOW_STEER_H__ */