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 bool broadcast_enabled;
72 bool allmulti_enabled;
76 enum mlx5e_traffic_types {
81 MLX5E_TT_IPV4_IPSEC_AH,
82 MLX5E_TT_IPV6_IPSEC_AH,
83 MLX5E_TT_IPV4_IPSEC_ESP,
84 MLX5E_TT_IPV6_IPSEC_ESP,
89 MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY,
92 struct mlx5e_tirc_config {
98 #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\
99 MLX5_HASH_FIELD_SEL_DST_IP)
100 #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\
101 MLX5_HASH_FIELD_SEL_DST_IP |\
102 MLX5_HASH_FIELD_SEL_L4_SPORT |\
103 MLX5_HASH_FIELD_SEL_L4_DPORT)
104 #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\
105 MLX5_HASH_FIELD_SEL_DST_IP |\
106 MLX5_HASH_FIELD_SEL_IPSEC_SPI)
108 enum mlx5e_tunnel_types {
118 bool mlx5e_tunnel_inner_ft_supported(struct mlx5_core_dev *mdev);
120 struct mlx5e_ttc_rule {
121 struct mlx5_flow_handle *rule;
122 struct mlx5_flow_destination default_dest;
125 /* L3/L4 traffic type classifier */
126 struct mlx5e_ttc_table {
127 struct mlx5e_flow_table ft;
128 struct mlx5e_ttc_rule rules[MLX5E_NUM_TT];
129 struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT];
134 MLX5E_PROMISC_FT_LEVEL,
138 MLX5E_INNER_TTC_FT_LEVEL,
139 #ifdef CONFIG_MLX5_EN_TLS
140 MLX5E_ACCEL_FS_TCP_FT_LEVEL,
142 #ifdef CONFIG_MLX5_EN_ARFS
145 #ifdef CONFIG_MLX5_EN_IPSEC
146 MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
147 MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL,
151 #define MLX5E_TTC_NUM_GROUPS 3
152 #define MLX5E_TTC_GROUP1_SIZE (BIT(3) + MLX5E_NUM_TUNNEL_TT)
153 #define MLX5E_TTC_GROUP2_SIZE BIT(1)
154 #define MLX5E_TTC_GROUP3_SIZE BIT(0)
155 #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\
156 MLX5E_TTC_GROUP2_SIZE +\
157 MLX5E_TTC_GROUP3_SIZE)
159 #define MLX5E_INNER_TTC_NUM_GROUPS 3
160 #define MLX5E_INNER_TTC_GROUP1_SIZE BIT(3)
161 #define MLX5E_INNER_TTC_GROUP2_SIZE BIT(1)
162 #define MLX5E_INNER_TTC_GROUP3_SIZE BIT(0)
163 #define MLX5E_INNER_TTC_TABLE_SIZE (MLX5E_INNER_TTC_GROUP1_SIZE +\
164 MLX5E_INNER_TTC_GROUP2_SIZE +\
165 MLX5E_INNER_TTC_GROUP3_SIZE)
167 #ifdef CONFIG_MLX5_EN_RXNFC
169 struct mlx5e_ethtool_table {
170 struct mlx5_flow_table *ft;
174 #define ETHTOOL_NUM_L3_L4_FTS 7
175 #define ETHTOOL_NUM_L2_FTS 4
177 struct mlx5e_ethtool_steering {
178 struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
179 struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS];
180 struct list_head rules;
184 void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
185 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
186 int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd);
187 int mlx5e_ethtool_get_rxnfc(struct net_device *dev,
188 struct ethtool_rxnfc *info, u32 *rule_locs);
190 static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv) { }
191 static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { }
192 static inline int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
193 { return -EOPNOTSUPP; }
194 static inline int mlx5e_ethtool_get_rxnfc(struct net_device *dev,
195 struct ethtool_rxnfc *info, u32 *rule_locs)
196 { return -EOPNOTSUPP; }
197 #endif /* CONFIG_MLX5_EN_RXNFC */
199 #ifdef CONFIG_MLX5_EN_ARFS
200 #define ARFS_HASH_SHIFT BITS_PER_BYTE
201 #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
204 struct mlx5e_flow_table ft;
205 struct mlx5_flow_handle *default_rule;
206 struct hlist_head rules_hash[ARFS_HASH_SIZE];
217 struct mlx5e_arfs_tables {
218 struct arfs_table arfs_tables[ARFS_NUM_TYPES];
219 /* Protect aRFS rules list */
220 spinlock_t arfs_lock;
221 struct list_head rules;
223 struct workqueue_struct *wq;
226 int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
227 void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
228 int mlx5e_arfs_enable(struct mlx5e_priv *priv);
229 int mlx5e_arfs_disable(struct mlx5e_priv *priv);
230 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
231 u16 rxq_index, u32 flow_id);
233 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; }
234 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
235 static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
236 static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
239 #ifdef CONFIG_MLX5_EN_TLS
240 struct mlx5e_accel_fs_tcp;
243 struct mlx5e_flow_steering {
244 struct mlx5_flow_namespace *ns;
245 struct mlx5_flow_namespace *egress_ns;
246 #ifdef CONFIG_MLX5_EN_RXNFC
247 struct mlx5e_ethtool_steering ethtool;
249 struct mlx5e_tc_table tc;
250 struct mlx5e_promisc_table promisc;
251 struct mlx5e_vlan_table vlan;
252 struct mlx5e_l2_table l2;
253 struct mlx5e_ttc_table ttc;
254 struct mlx5e_ttc_table inner_ttc;
255 #ifdef CONFIG_MLX5_EN_ARFS
256 struct mlx5e_arfs_tables arfs;
258 #ifdef CONFIG_MLX5_EN_TLS
259 struct mlx5e_accel_fs_tcp *accel_tcp;
264 struct mlx5_flow_table_attr ft_attr;
266 u32 indir_tirn[MLX5E_NUM_INDIR_TIRS];
267 struct mlx5e_ttc_table *inner_ttc;
270 void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params);
271 void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params);
272 void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params);
274 int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
275 struct mlx5e_ttc_table *ttc);
276 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv,
277 struct mlx5e_ttc_table *ttc);
279 int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
280 struct mlx5e_ttc_table *ttc);
281 void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv,
282 struct mlx5e_ttc_table *ttc);
284 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
285 int mlx5e_ttc_fwd_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type,
286 struct mlx5_flow_destination *new_dest);
287 struct mlx5_flow_destination
288 mlx5e_ttc_get_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type);
289 int mlx5e_ttc_fwd_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type);
291 void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv);
292 void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
294 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
295 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
297 u8 mlx5e_get_proto_by_tunnel_type(enum mlx5e_tunnel_types tt);
298 int mlx5e_add_vlan_trap(struct mlx5e_priv *priv, int trap_id, int tir_num);
299 void mlx5e_remove_vlan_trap(struct mlx5e_priv *priv);
301 #endif /* __MLX5E_FLOW_STEER_H__ */