1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2018 Mellanox Technologies. */
4 #ifndef __MLX5E_FLOW_STEER_H__
5 #define __MLX5E_FLOW_STEER_H__
10 MLX5E_TC_FT_LEVEL = 0,
11 MLX5E_TC_TTC_FT_LEVEL,
14 struct mlx5e_tc_table {
15 /* Protects the dynamic assignment of the t parameter
16 * which is the nic tc root table.
19 struct mlx5_flow_table *t;
20 struct mlx5_fs_chains *chains;
24 struct mod_hdr_tbl mod_hdr;
25 struct mutex hairpin_tbl_lock; /* protects hairpin_tbl */
26 DECLARE_HASHTABLE(hairpin_tbl, 8);
28 struct notifier_block netdevice_nb;
29 struct netdev_net_notifier netdevice_nn;
31 struct mlx5_tc_ct_priv *ct;
34 struct mlx5e_flow_table {
36 struct mlx5_flow_table *t;
37 struct mlx5_flow_group **g;
40 struct mlx5e_l2_rule {
41 u8 addr[ETH_ALEN + 2];
42 struct mlx5_flow_handle *rule;
45 #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
47 struct mlx5e_promisc_table {
48 struct mlx5e_flow_table ft;
49 struct mlx5_flow_handle *rule;
52 struct mlx5e_vlan_table {
53 struct mlx5e_flow_table ft;
54 DECLARE_BITMAP(active_cvlans, VLAN_N_VID);
55 DECLARE_BITMAP(active_svlans, VLAN_N_VID);
56 struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID];
57 struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID];
58 struct mlx5_flow_handle *untagged_rule;
59 struct mlx5_flow_handle *any_cvlan_rule;
60 struct mlx5_flow_handle *any_svlan_rule;
61 struct mlx5_flow_handle *trap_rule;
62 bool cvlan_filter_disabled;
65 struct mlx5e_l2_table {
66 struct mlx5e_flow_table ft;
67 struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
68 struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
69 struct mlx5e_l2_rule broadcast;
70 struct mlx5e_l2_rule allmulti;
71 struct mlx5_flow_handle *trap_rule;
72 bool broadcast_enabled;
73 bool allmulti_enabled;
77 enum mlx5e_traffic_types {
82 MLX5E_TT_IPV4_IPSEC_AH,
83 MLX5E_TT_IPV6_IPSEC_AH,
84 MLX5E_TT_IPV4_IPSEC_ESP,
85 MLX5E_TT_IPV6_IPSEC_ESP,
90 MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY,
93 struct mlx5e_tirc_config {
99 #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\
100 MLX5_HASH_FIELD_SEL_DST_IP)
101 #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\
102 MLX5_HASH_FIELD_SEL_DST_IP |\
103 MLX5_HASH_FIELD_SEL_L4_SPORT |\
104 MLX5_HASH_FIELD_SEL_L4_DPORT)
105 #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\
106 MLX5_HASH_FIELD_SEL_DST_IP |\
107 MLX5_HASH_FIELD_SEL_IPSEC_SPI)
109 enum mlx5e_tunnel_types {
119 bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev);
121 struct mlx5e_ttc_rule {
122 struct mlx5_flow_handle *rule;
123 struct mlx5_flow_destination default_dest;
126 /* L3/L4 traffic type classifier */
127 struct mlx5e_ttc_table {
128 struct mlx5e_flow_table ft;
129 struct mlx5e_ttc_rule rules[MLX5E_NUM_TT];
130 struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT];
135 MLX5E_PROMISC_FT_LEVEL,
139 MLX5E_INNER_TTC_FT_LEVEL,
140 #ifdef CONFIG_MLX5_EN_TLS
141 MLX5E_ACCEL_FS_TCP_FT_LEVEL,
143 #ifdef CONFIG_MLX5_EN_ARFS
146 #ifdef CONFIG_MLX5_EN_IPSEC
147 MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
148 MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL,
152 #define MLX5E_TTC_NUM_GROUPS 3
153 #define MLX5E_TTC_GROUP1_SIZE (BIT(3) + MLX5E_NUM_TUNNEL_TT)
154 #define MLX5E_TTC_GROUP2_SIZE BIT(1)
155 #define MLX5E_TTC_GROUP3_SIZE BIT(0)
156 #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\
157 MLX5E_TTC_GROUP2_SIZE +\
158 MLX5E_TTC_GROUP3_SIZE)
160 #define MLX5E_INNER_TTC_NUM_GROUPS 3
161 #define MLX5E_INNER_TTC_GROUP1_SIZE BIT(3)
162 #define MLX5E_INNER_TTC_GROUP2_SIZE BIT(1)
163 #define MLX5E_INNER_TTC_GROUP3_SIZE BIT(0)
164 #define MLX5E_INNER_TTC_TABLE_SIZE (MLX5E_INNER_TTC_GROUP1_SIZE +\
165 MLX5E_INNER_TTC_GROUP2_SIZE +\
166 MLX5E_INNER_TTC_GROUP3_SIZE)
168 #ifdef CONFIG_MLX5_EN_RXNFC
170 struct mlx5e_ethtool_table {
171 struct mlx5_flow_table *ft;
175 #define ETHTOOL_NUM_L3_L4_FTS 7
176 #define ETHTOOL_NUM_L2_FTS 4
178 struct mlx5e_ethtool_steering {
179 struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
180 struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS];
181 struct list_head rules;
185 void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
186 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
187 int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd);
188 int mlx5e_ethtool_get_rxnfc(struct net_device *dev,
189 struct ethtool_rxnfc *info, u32 *rule_locs);
191 static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv) { }
192 static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { }
193 static inline int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
194 { return -EOPNOTSUPP; }
195 static inline int mlx5e_ethtool_get_rxnfc(struct net_device *dev,
196 struct ethtool_rxnfc *info, u32 *rule_locs)
197 { return -EOPNOTSUPP; }
198 #endif /* CONFIG_MLX5_EN_RXNFC */
200 #ifdef CONFIG_MLX5_EN_ARFS
201 #define ARFS_HASH_SHIFT BITS_PER_BYTE
202 #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
205 struct mlx5e_flow_table ft;
206 struct mlx5_flow_handle *default_rule;
207 struct hlist_head rules_hash[ARFS_HASH_SIZE];
218 struct mlx5e_arfs_tables {
219 struct arfs_table arfs_tables[ARFS_NUM_TYPES];
220 /* Protect aRFS rules list */
221 spinlock_t arfs_lock;
222 struct list_head rules;
224 struct workqueue_struct *wq;
227 int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
228 void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
229 int mlx5e_arfs_enable(struct mlx5e_priv *priv);
230 int mlx5e_arfs_disable(struct mlx5e_priv *priv);
231 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
232 u16 rxq_index, u32 flow_id);
234 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; }
235 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
236 static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
237 static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
240 #ifdef CONFIG_MLX5_EN_TLS
241 struct mlx5e_accel_fs_tcp;
244 struct mlx5e_flow_steering {
245 struct mlx5_flow_namespace *ns;
246 struct mlx5_flow_namespace *egress_ns;
247 #ifdef CONFIG_MLX5_EN_RXNFC
248 struct mlx5e_ethtool_steering ethtool;
250 struct mlx5e_tc_table tc;
251 struct mlx5e_promisc_table promisc;
252 struct mlx5e_vlan_table vlan;
253 struct mlx5e_l2_table l2;
254 struct mlx5e_ttc_table ttc;
255 struct mlx5e_ttc_table inner_ttc;
256 #ifdef CONFIG_MLX5_EN_ARFS
257 struct mlx5e_arfs_tables arfs;
259 #ifdef CONFIG_MLX5_EN_TLS
260 struct mlx5e_accel_fs_tcp *accel_tcp;
265 struct mlx5_flow_table_attr ft_attr;
267 u32 indir_tirn[MLX5E_NUM_INDIR_TIRS];
268 struct mlx5e_ttc_table *inner_ttc;
271 void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params);
272 void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params);
273 void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params);
275 int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
276 struct mlx5e_ttc_table *ttc);
277 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv,
278 struct mlx5e_ttc_table *ttc);
280 int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
281 struct mlx5e_ttc_table *ttc);
282 void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv,
283 struct mlx5e_ttc_table *ttc);
285 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
286 int mlx5e_ttc_fwd_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type,
287 struct mlx5_flow_destination *new_dest);
288 struct mlx5_flow_destination
289 mlx5e_ttc_get_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type);
290 int mlx5e_ttc_fwd_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type);
292 void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv);
293 void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
295 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
296 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
298 u8 mlx5e_get_proto_by_tunnel_type(enum mlx5e_tunnel_types tt);
299 int mlx5e_add_vlan_trap(struct mlx5e_priv *priv, int trap_id, int tir_num);
300 void mlx5e_remove_vlan_trap(struct mlx5e_priv *priv);
301 int mlx5e_add_mac_trap(struct mlx5e_priv *priv, int trap_id, int tir_num);
302 void mlx5e_remove_mac_trap(struct mlx5e_priv *priv);
304 #endif /* __MLX5E_FLOW_STEER_H__ */