1
2
3
4#ifndef __MLX5E_FLOW_STEER_H__
5#define __MLX5E_FLOW_STEER_H__
6
7enum {
8 MLX5E_TC_FT_LEVEL = 0,
9 MLX5E_TC_TTC_FT_LEVEL,
10};
11
12struct mlx5e_tc_table {
13 struct mlx5_flow_table *t;
14
15 struct rhashtable ht;
16
17 DECLARE_HASHTABLE(mod_hdr_tbl, 8);
18 DECLARE_HASHTABLE(hairpin_tbl, 8);
19
20 struct notifier_block netdevice_nb;
21};
22
23struct mlx5e_flow_table {
24 int num_groups;
25 struct mlx5_flow_table *t;
26 struct mlx5_flow_group **g;
27};
28
29struct mlx5e_l2_rule {
30 u8 addr[ETH_ALEN + 2];
31 struct mlx5_flow_handle *rule;
32};
33
34#define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
35
36struct mlx5e_vlan_table {
37 struct mlx5e_flow_table ft;
38 DECLARE_BITMAP(active_cvlans, VLAN_N_VID);
39 DECLARE_BITMAP(active_svlans, VLAN_N_VID);
40 struct mlx5_flow_handle *active_cvlans_rule[VLAN_N_VID];
41 struct mlx5_flow_handle *active_svlans_rule[VLAN_N_VID];
42 struct mlx5_flow_handle *untagged_rule;
43 struct mlx5_flow_handle *any_cvlan_rule;
44 struct mlx5_flow_handle *any_svlan_rule;
45 bool cvlan_filter_disabled;
46};
47
48struct mlx5e_l2_table {
49 struct mlx5e_flow_table ft;
50 struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
51 struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
52 struct mlx5e_l2_rule broadcast;
53 struct mlx5e_l2_rule allmulti;
54 struct mlx5e_l2_rule promisc;
55 bool broadcast_enabled;
56 bool allmulti_enabled;
57 bool promisc_enabled;
58};
59
60enum mlx5e_traffic_types {
61 MLX5E_TT_IPV4_TCP,
62 MLX5E_TT_IPV6_TCP,
63 MLX5E_TT_IPV4_UDP,
64 MLX5E_TT_IPV6_UDP,
65 MLX5E_TT_IPV4_IPSEC_AH,
66 MLX5E_TT_IPV6_IPSEC_AH,
67 MLX5E_TT_IPV4_IPSEC_ESP,
68 MLX5E_TT_IPV6_IPSEC_ESP,
69 MLX5E_TT_IPV4,
70 MLX5E_TT_IPV6,
71 MLX5E_TT_ANY,
72 MLX5E_NUM_TT,
73 MLX5E_NUM_INDIR_TIRS = MLX5E_TT_ANY,
74};
75
76struct mlx5e_tirc_config {
77 u8 l3_prot_type;
78 u8 l4_prot_type;
79 u32 rx_hash_fields;
80};
81
82#define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\
83 MLX5_HASH_FIELD_SEL_DST_IP)
84#define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\
85 MLX5_HASH_FIELD_SEL_DST_IP |\
86 MLX5_HASH_FIELD_SEL_L4_SPORT |\
87 MLX5_HASH_FIELD_SEL_L4_DPORT)
88#define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\
89 MLX5_HASH_FIELD_SEL_DST_IP |\
90 MLX5_HASH_FIELD_SEL_IPSEC_SPI)
91
92enum mlx5e_tunnel_types {
93 MLX5E_TT_IPV4_GRE,
94 MLX5E_TT_IPV6_GRE,
95 MLX5E_NUM_TUNNEL_TT,
96};
97
98
99struct mlx5e_ttc_table {
100 struct mlx5e_flow_table ft;
101 struct mlx5_flow_handle *rules[MLX5E_NUM_TT];
102 struct mlx5_flow_handle *tunnel_rules[MLX5E_NUM_TUNNEL_TT];
103};
104
105
106enum {
107 MLX5E_VLAN_FT_LEVEL = 0,
108 MLX5E_L2_FT_LEVEL,
109 MLX5E_TTC_FT_LEVEL,
110 MLX5E_INNER_TTC_FT_LEVEL,
111#ifdef CONFIG_MLX5_EN_ARFS
112 MLX5E_ARFS_FT_LEVEL
113#endif
114};
115
116#ifdef CONFIG_MLX5_EN_RXNFC
117
118struct mlx5e_ethtool_table {
119 struct mlx5_flow_table *ft;
120 int num_rules;
121};
122
123#define ETHTOOL_NUM_L3_L4_FTS 7
124#define ETHTOOL_NUM_L2_FTS 4
125
126struct mlx5e_ethtool_steering {
127 struct mlx5e_ethtool_table l3_l4_ft[ETHTOOL_NUM_L3_L4_FTS];
128 struct mlx5e_ethtool_table l2_ft[ETHTOOL_NUM_L2_FTS];
129 struct list_head rules;
130 int tot_num_rules;
131};
132
133void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv);
134void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv);
135int mlx5e_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd);
136int mlx5e_get_rxnfc(struct net_device *dev,
137 struct ethtool_rxnfc *info, u32 *rule_locs);
138#else
139static inline void mlx5e_ethtool_init_steering(struct mlx5e_priv *priv) { }
140static inline void mlx5e_ethtool_cleanup_steering(struct mlx5e_priv *priv) { }
141#endif
142
143#ifdef CONFIG_MLX5_EN_ARFS
144#define ARFS_HASH_SHIFT BITS_PER_BYTE
145#define ARFS_HASH_SIZE BIT(BITS_PER_BYTE)
146
147struct arfs_table {
148 struct mlx5e_flow_table ft;
149 struct mlx5_flow_handle *default_rule;
150 struct hlist_head rules_hash[ARFS_HASH_SIZE];
151};
152
153enum arfs_type {
154 ARFS_IPV4_TCP,
155 ARFS_IPV6_TCP,
156 ARFS_IPV4_UDP,
157 ARFS_IPV6_UDP,
158 ARFS_NUM_TYPES,
159};
160
161struct mlx5e_arfs_tables {
162 struct arfs_table arfs_tables[ARFS_NUM_TYPES];
163
164 spinlock_t arfs_lock;
165 struct list_head rules;
166 int last_filter_id;
167 struct workqueue_struct *wq;
168};
169
170int mlx5e_arfs_create_tables(struct mlx5e_priv *priv);
171void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv);
172int mlx5e_arfs_enable(struct mlx5e_priv *priv);
173int mlx5e_arfs_disable(struct mlx5e_priv *priv);
174int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
175 u16 rxq_index, u32 flow_id);
176#else
177static inline int mlx5e_arfs_create_tables(struct mlx5e_priv *priv) { return 0; }
178static inline void mlx5e_arfs_destroy_tables(struct mlx5e_priv *priv) {}
179static inline int mlx5e_arfs_enable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
180static inline int mlx5e_arfs_disable(struct mlx5e_priv *priv) { return -EOPNOTSUPP; }
181#endif
182
183struct mlx5e_flow_steering {
184 struct mlx5_flow_namespace *ns;
185#ifdef CONFIG_MLX5_EN_RXNFC
186 struct mlx5e_ethtool_steering ethtool;
187#endif
188 struct mlx5e_tc_table tc;
189 struct mlx5e_vlan_table vlan;
190 struct mlx5e_l2_table l2;
191 struct mlx5e_ttc_table ttc;
192 struct mlx5e_ttc_table inner_ttc;
193#ifdef CONFIG_MLX5_EN_ARFS
194 struct mlx5e_arfs_tables arfs;
195#endif
196};
197
198struct ttc_params {
199 struct mlx5_flow_table_attr ft_attr;
200 u32 any_tt_tirn;
201 u32 indir_tirn[MLX5E_NUM_INDIR_TIRS];
202 struct mlx5e_ttc_table *inner_ttc;
203};
204
205void mlx5e_set_ttc_basic_params(struct mlx5e_priv *priv, struct ttc_params *ttc_params);
206void mlx5e_set_ttc_ft_params(struct ttc_params *ttc_params);
207void mlx5e_set_inner_ttc_ft_params(struct ttc_params *ttc_params);
208
209int mlx5e_create_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
210 struct mlx5e_ttc_table *ttc);
211void mlx5e_destroy_ttc_table(struct mlx5e_priv *priv,
212 struct mlx5e_ttc_table *ttc);
213
214int mlx5e_create_inner_ttc_table(struct mlx5e_priv *priv, struct ttc_params *params,
215 struct mlx5e_ttc_table *ttc);
216void mlx5e_destroy_inner_ttc_table(struct mlx5e_priv *priv,
217 struct mlx5e_ttc_table *ttc);
218
219void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
220
221void mlx5e_enable_cvlan_filter(struct mlx5e_priv *priv);
222void mlx5e_disable_cvlan_filter(struct mlx5e_priv *priv);
223
224int mlx5e_create_flow_steering(struct mlx5e_priv *priv);
225void mlx5e_destroy_flow_steering(struct mlx5e_priv *priv);
226
227#endif
228
229
