/drivers/net/ethernet/mellanox/mlx5/core/en/fs.h
C Header | 283 lines | 231 code | 44 blank | 8 comment | 0 complexity | f4be407db8760901e2f5be061c4fa40f MD5 | raw file
- /* 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 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;
- };
- 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_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
- };
- #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
- 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 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 mlx5e_fs_udp *udp;
- struct mlx5e_fs_any *any;
- struct mlx5e_ptp_fs *ptp_fs;
- };
- 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);
- 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__ */