core/en/fs.h

0001 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
0002 /* Copyright (c) 2018 Mellanox Technologies. */
0003
0004 #ifndef __MLX5E_FLOW_STEER_H__
0005 #define __MLX5E_FLOW_STEER_H__
0006
0007 #include "mod_hdr.h"
0008 #include "lib/fs_ttc.h"
0009
0010 struct mlx5e_post_act;
0011
0012 enum {
0013     MLX5E_TC_FT_LEVEL = 0,
0014     MLX5E_TC_TTC_FT_LEVEL,
0015     MLX5E_TC_MISS_LEVEL,
0016 };
0017
0018 struct mlx5e_flow_table {
0019     int num_groups;
0020     struct mlx5_flow_table *t;
0021     struct mlx5_flow_group **g;
0022 };
0023
0024 struct mlx5e_l2_rule {
0025     u8  addr[ETH_ALEN + 2];
0026     struct mlx5_flow_handle *rule;
0027 };
0028
0029 #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
0030
0031 struct mlx5e_promisc_table {
0032     struct mlx5e_flow_table ft;
0033     struct mlx5_flow_handle *rule;
0034 };
0035
0036 /* Forward declaration and APIs to get private fields of vlan_table */
0037 struct mlx5e_vlan_table;
0038 unsigned long *mlx5e_vlan_get_active_svlans(struct mlx5e_vlan_table *vlan);
0039 struct mlx5_flow_table *mlx5e_vlan_get_flowtable(struct mlx5e_vlan_table *vlan);
0040
0041 struct mlx5e_l2_table {
0042     struct mlx5e_flow_table    ft;
0043     struct hlist_head          netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
0044     struct hlist_head          netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
0045     struct mlx5e_l2_rule       broadcast;
0046     struct mlx5e_l2_rule       allmulti;
0047     struct mlx5_flow_handle    *trap_rule;
0048     bool                       broadcast_enabled;
0049     bool                       allmulti_enabled;
0050     bool                       promisc_enabled;
0051 };
0052
0053 #define MLX5E_NUM_INDIR_TIRS (MLX5_NUM_TT - 1)
0054
0055 #define MLX5_HASH_IP        (MLX5_HASH_FIELD_SEL_SRC_IP   |\
0056                  MLX5_HASH_FIELD_SEL_DST_IP)
0057 #define MLX5_HASH_IP_L4PORTS    (MLX5_HASH_FIELD_SEL_SRC_IP   |\
0058                  MLX5_HASH_FIELD_SEL_DST_IP   |\
0059                  MLX5_HASH_FIELD_SEL_L4_SPORT |\
0060                  MLX5_HASH_FIELD_SEL_L4_DPORT)
0061 #define MLX5_HASH_IP_IPSEC_SPI  (MLX5_HASH_FIELD_SEL_SRC_IP   |\
0062                  MLX5_HASH_FIELD_SEL_DST_IP   |\
0063                  MLX5_HASH_FIELD_SEL_IPSEC_SPI)
0064
0065 /* NIC prio FTS */
0066 enum {
0067     MLX5E_PROMISC_FT_LEVEL,
0068     MLX5E_VLAN_FT_LEVEL,
0069     MLX5E_L2_FT_LEVEL,
0070     MLX5E_TTC_FT_LEVEL,
0071     MLX5E_INNER_TTC_FT_LEVEL,
0072     MLX5E_FS_TT_UDP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
0073     MLX5E_FS_TT_ANY_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
0074 #ifdef CONFIG_MLX5_EN_TLS
0075     MLX5E_ACCEL_FS_TCP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
0076 #endif
0077 #ifdef CONFIG_MLX5_EN_ARFS
0078     MLX5E_ARFS_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
0079 #endif
0080 #ifdef CONFIG_MLX5_EN_IPSEC
0081     MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
0082     MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL,
0083 #endif
0084 };
0085
0086 struct mlx5e_priv;
0087
0088 #ifdef CONFIG_MLX5_EN_RXNFC
0089
0090 struct mlx5e_ethtool_table {
0091     struct mlx5_flow_table *ft;
0092     int                    num_rules;
0093 };
0094
0095 #define ETHTOOL_NUM_L3_L4_FTS 7
0096 #define ETHTOOL_NUM_L2_FTS 4
0097
0098 struct mlx5e_ethtool_steering {
0099     struct mlx5e_ethtool_table      l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
0100     struct mlx5e_ethtool_table      l2_ft[ETHTOOL_NUM_L2_FTS];
0101     struct list_head                rules;
0102     int                             tot_num_rules;
0103 };
0104
0105 void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
0106 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
0107 int mlx5e_ethtool_set_rxnfc(struct mlx5e_priv *priv, struct ethtool_rxnfc *cmd);
0108 int mlx5e_ethtool_get_rxnfc(struct mlx5e_priv *priv,
0109                 struct ethtool_rxnfc *info, u32 *rule_locs);
0110 #else
0111 static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv)    { }
0112 static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { }
0113 static inline int mlx5e_ethtool_set_rxnfc(struct mlx5e_priv *priv, struct ethtool_rxnfc *cmd)
0114 { return -EOPNOTSUPP; }
0115 static inline int mlx5e_ethtool_get_rxnfc(struct mlx5e_priv *priv,
0116                       struct ethtool_rxnfc *info, u32 *rule_locs)
0117 { return -EOPNOTSUPP; }
0118 #endif /* CONFIG_MLX5_EN_RXNFC */
0119
0120 #ifdef CONFIG_MLX5_EN_ARFS
0121 struct mlx5e_arfs_tables;
0122
0123 int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
0124 void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
0125 int mlx5e_arfs_enable(struct mlx5e_priv *priv);
0126 int mlx5e_arfs_disable(struct mlx5e_priv *priv);
0127 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
0128             u16 rxq_index, u32 flow_id);
0129 #else
0130 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; }
0131 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
0132 static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
0133 static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
0134 #endif
0135
0136 #ifdef CONFIG_MLX5_EN_TLS
0137 struct mlx5e_accel_fs_tcp;
0138 #endif
0139
0140 struct mlx5e_profile;
0141 struct mlx5e_fs_udp;
0142 struct mlx5e_fs_any;
0143 struct mlx5e_ptp_fs;
0144
0145 struct mlx5e_flow_steering {
0146     bool                state_destroy;
0147     bool                vlan_strip_disable;
0148     struct mlx5_core_dev        *mdev;
0149     struct mlx5_flow_namespace      *ns;
0150 #ifdef CONFIG_MLX5_EN_RXNFC
0151     struct mlx5e_ethtool_steering   ethtool;
0152 #endif
0153     struct mlx5e_tc_table           *tc;
0154     struct mlx5e_promisc_table      promisc;
0155     struct mlx5e_vlan_table         *vlan;
0156     struct mlx5e_l2_table           l2;
0157     struct mlx5_ttc_table           *ttc;
0158     struct mlx5_ttc_table           *inner_ttc;
0159 #ifdef CONFIG_MLX5_EN_ARFS
0160     struct mlx5e_arfs_tables       *arfs;
0161 #endif
0162 #ifdef CONFIG_MLX5_EN_TLS
0163     struct mlx5e_accel_fs_tcp      *accel_tcp;
0164 #endif
0165     struct mlx5e_fs_udp            *udp;
0166     struct mlx5e_fs_any            *any;
0167     struct mlx5e_ptp_fs            *ptp_fs;
0168 };
0169
0170 void mlx5e_set_ttc_params(struct mlx5e_priv *priv,
0171               struct ttc_params *ttc_params, bool tunnel);
0172
0173 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv);
0174 int mlx5e_create_ttc_table(struct mlx5e_priv *priv);
0175
0176 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
0177
0178 void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv);
0179 void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
0180
0181 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
0182 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
0183
0184 struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile,
0185                       struct mlx5_core_dev *mdev,
0186                       bool state_destroy);
0187 void mlx5e_fs_cleanup(struct mlx5e_flow_steering *fs);
0188
0189 int mlx5e_add_vlan_trap(struct mlx5e_priv *priv, int  trap_id, int tir_num);
0190 void mlx5e_remove_vlan_trap(struct mlx5e_priv *priv);
0191 int mlx5e_add_mac_trap(struct mlx5e_priv *priv, int  trap_id, int tir_num);
0192 void mlx5e_remove_mac_trap(struct mlx5e_priv *priv);
0193 void mlx5e_fs_set_rx_mode_work(struct mlx5e_flow_steering *fs, struct net_device *netdev);
0194 int mlx5e_fs_vlan_rx_add_vid(struct mlx5e_flow_steering *fs,
0195                  struct net_device *netdev,
0196                  __be16 proto, u16 vid);
0197 int mlx5e_fs_vlan_rx_kill_vid(struct mlx5e_flow_steering *fs,
0198                   struct net_device *netdev,
0199                   __be16 proto, u16 vid);
0200 void mlx5e_fs_init_l2_addr(struct mlx5e_flow_steering *fs, struct net_device *netdev);
0201 #endif /* __MLX5E_FLOW_STEER_H__ */
0202