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 MLX5E_FS_TT_UDP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
141 MLX5E_FS_TT_ANY_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
142 #ifdef CONFIG_MLX5_EN_TLS
143 MLX5E_ACCEL_FS_TCP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
145 #ifdef CONFIG_MLX5_EN_ARFS
146 MLX5E_ARFS_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
148 #ifdef CONFIG_MLX5_EN_IPSEC
149 MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
150 MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL,
154 #define MLX5E_TTC_NUM_GROUPS 3
155 #define MLX5E_TTC_GROUP1_SIZE (BIT(3) + MLX5E_NUM_TUNNEL_TT)
156 #define MLX5E_TTC_GROUP2_SIZE BIT(1)
157 #define MLX5E_TTC_GROUP3_SIZE BIT(0)
158 #define MLX5E_TTC_TABLE_SIZE (MLX5E_TTC_GROUP1_SIZE +\
159 MLX5E_TTC_GROUP2_SIZE +\
160 MLX5E_TTC_GROUP3_SIZE)
162 #define MLX5E_INNER_TTC_NUM_GROUPS 3
163 #define MLX5E_INNER_TTC_GROUP1_SIZE BIT(3)
164 #define MLX5E_INNER_TTC_GROUP2_SIZE BIT(1)
165 #define MLX5E_INNER_TTC_GROUP3_SIZE BIT(0)
166 #define MLX5E_INNER_TTC_TABLE_SIZE (MLX5E_INNER_TTC_GROUP1_SIZE +\
167 MLX5E_INNER_TTC_GROUP2_SIZE +\
168 MLX5E_INNER_TTC_GROUP3_SIZE)
170 #ifdef CONFIG_MLX5_EN_RXNFC
172 struct mlx5e_ethtool_table {
173 struct mlx5_flow_table *ft;
177 #define ETHTOOL_NUM_L3_L4_FTS 7
178 #define ETHTOOL_NUM_L2_FTS 4
180 struct mlx5e_ethtool_steering {
181 struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
182 struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS];
183 struct list_head rules;
187 void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
188 void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
189 int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd);
190 int mlx5e_ethtool_get_rxnfc(struct net_device *dev,
191 struct ethtool_rxnfc *info, u32 *rule_locs);
193 static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv) { }
194 static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { }
195 static inline int mlx5e_ethtool_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
196 { return -EOPNOTSUPP; }
197 static inline int mlx5e_ethtool_get_rxnfc(struct net_device *dev,
198 struct ethtool_rxnfc *info, u32 *rule_locs)
199 { return -EOPNOTSUPP; }
200 #endif /* CONFIG_MLX5_EN_RXNFC */
202 #ifdef CONFIG_MLX5_EN_ARFS
203 #define ARFS_HASH_SHIFT BITS_PER_BYTE
204 #define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
207 struct mlx5e_flow_table ft;
208 struct mlx5_flow_handle *default_rule;
209 struct hlist_head rules_hash[ARFS_HASH_SIZE];
220 struct mlx5e_arfs_tables {
221 struct arfs_table arfs_tables[ARFS_NUM_TYPES];
222 /* Protect aRFS rules list */
223 spinlock_t arfs_lock;
224 struct list_head rules;
226 struct workqueue_struct *wq;
229 int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
230 void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
231 int mlx5e_arfs_enable(struct mlx5e_priv *priv);
232 int mlx5e_arfs_disable(struct mlx5e_priv *priv);
233 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
234 u16 rxq_index, u32 flow_id);
236 static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; }
237 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
238 static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
239 static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
242 #ifdef CONFIG_MLX5_EN_TLS
243 struct mlx5e_accel_fs_tcp;
250 struct mlx5e_flow_steering {
251 struct mlx5_flow_namespace *ns;
252 struct mlx5_flow_namespace *egress_ns;
253 #ifdef CONFIG_MLX5_EN_RXNFC
254 struct mlx5e_ethtool_steering ethtool;
256 struct mlx5e_tc_table tc;
257 struct mlx5e_promisc_table promisc;
258 struct mlx5e_vlan_table vlan;
259 struct mlx5e_l2_table l2;
260 struct mlx5e_ttc_table ttc;
261 struct mlx5e_ttc_table inner_ttc;
262 #ifdef CONFIG_MLX5_EN_ARFS
263 struct mlx5e_arfs_tables arfs;
265 #ifdef CONFIG_MLX5_EN_TLS
266 struct mlx5e_accel_fs_tcp *accel_tcp;
268 struct mlx5e_fs_udp *udp;
269 struct mlx5e_fs_any *any;
270 struct mlx5e_ptp_fs *ptp_fs;
274 struct mlx5_flow_table_attr ft_attr;
276 u32 indir_tirn[MLX5E_NUM_INDIR_TIRS];
277 struct mlx5e_ttc_table *inner_ttc;
280 void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params);
281 void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params);
282 void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params);
284 int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
285 struct mlx5e_ttc_table *ttc);
286 void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv,
287 struct mlx5e_ttc_table *ttc);
289 int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
290 struct mlx5e_ttc_table *ttc);
291 void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv,
292 struct mlx5e_ttc_table *ttc);
294 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
295 int mlx5e_ttc_fwd_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type,
296 struct mlx5_flow_destination *new_dest);
297 struct mlx5_flow_destination
298 mlx5e_ttc_get_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type);
299 int mlx5e_ttc_fwd_default_dest(struct mlx5e_priv *priv, enum mlx5e_traffic_types type);
301 void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv);
302 void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
304 int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
305 void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
307 u8 mlx5e_get_proto_by_tunnel_type(enum mlx5e_tunnel_types tt);
308 int mlx5e_add_vlan_trap(struct mlx5e_priv *priv, int trap_id, int tir_num);
309 void mlx5e_remove_vlan_trap(struct mlx5e_priv *priv);
310 int mlx5e_add_mac_trap(struct mlx5e_priv *priv, int trap_id, int tir_num);
311 void mlx5e_remove_mac_trap(struct mlx5e_priv *priv);
313 #endif /* __MLX5E_FLOW_STEER_H__ */