1 /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2 /* Copyright (c) 2018 Mellanox Technologies. */
3
4 #ifndef __MLX5E_FLOW_STEER_H__
5 #define __MLX5E_FLOW_STEER_H__
6
7 #include "mod_hdr.h"
8 #include "lib/fs_ttc.h"
9
10 struct mlx5e_post_act;
11 struct mlx5e_tc_table;
12
13 enum {
14 MLX5E_TC_FT_LEVEL = 0,
15 MLX5E_TC_TTC_FT_LEVEL,
16 MLX5E_TC_MISS_LEVEL,
17 };
18
19 enum {
20 MLX5E_TC_PRIO = 0,
21 MLX5E_NIC_PRIO
22 };
23
24 struct mlx5e_flow_table {
25 int num_groups;
26 struct mlx5_flow_table *t;
27 struct mlx5_flow_group **g;
28 };
29
30 struct mlx5e_l2_rule {
31 u8 addr[ETH_ALEN + 2];
32 struct mlx5_flow_handle *rule;
33 };
34
35 #define MLX5E_L2_ADDR_HASH_SIZE BIT(BITS_PER_BYTE)
36
37 struct mlx5e_promisc_table {
38 struct mlx5e_flow_table ft;
39 struct mlx5_flow_handle *rule;
40 };
41
42 /* Forward declaration and APIs to get private fields of vlan_table */
43 struct mlx5e_vlan_table;
44 unsigned long *mlx5e_vlan_get_active_svlans(struct mlx5e_vlan_table *vlan);
45 struct mlx5_flow_table *mlx5e_vlan_get_flowtable(struct mlx5e_vlan_table *vlan);
46
47 struct mlx5e_l2_table {
48 struct mlx5e_flow_table ft;
49 struct hlist_head netdev_uc[MLX5E_L2_ADDR_HASH_SIZE];
50 struct hlist_head netdev_mc[MLX5E_L2_ADDR_HASH_SIZE];
51 struct mlx5e_l2_rule broadcast;
52 struct mlx5e_l2_rule allmulti;
53 struct mlx5_flow_handle *trap_rule;
54 bool broadcast_enabled;
55 bool allmulti_enabled;
56 bool promisc_enabled;
57 };
58
59 #define MLX5E_NUM_INDIR_TIRS (MLX5_NUM_TT - 1)
60
61 #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\
62 MLX5_HASH_FIELD_SEL_DST_IP)
63 #define MLX5_HASH_IP_L4PORTS (MLX5_HASH_FIELD_SEL_SRC_IP |\
64 MLX5_HASH_FIELD_SEL_DST_IP |\
65 MLX5_HASH_FIELD_SEL_L4_SPORT |\
66 MLX5_HASH_FIELD_SEL_L4_DPORT)
67 #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\
68 MLX5_HASH_FIELD_SEL_DST_IP |\
69 MLX5_HASH_FIELD_SEL_IPSEC_SPI)
70
71 /* NIC prio FTS */
72 enum {
73 MLX5E_PROMISC_FT_LEVEL,
74 MLX5E_VLAN_FT_LEVEL,
75 MLX5E_L2_FT_LEVEL,
76 MLX5E_TTC_FT_LEVEL,
77 MLX5E_INNER_TTC_FT_LEVEL,
78 MLX5E_FS_TT_UDP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
79 MLX5E_FS_TT_ANY_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
80 #ifdef CONFIG_MLX5_EN_TLS
81 MLX5E_ACCEL_FS_TCP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
82 #endif
83 #ifdef CONFIG_MLX5_EN_ARFS
84 MLX5E_ARFS_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
85 #endif
86 #ifdef CONFIG_MLX5_EN_IPSEC
87 MLX5E_ACCEL_FS_ESP_FT_LEVEL = MLX5E_INNER_TTC_FT_LEVEL + 1,
88 MLX5E_ACCEL_FS_ESP_FT_ERR_LEVEL,
89 #endif
90 };
91
92 struct mlx5e_flow_steering;
93 struct mlx5e_rx_res;
94
95 #ifdef CONFIG_MLX5_EN_ARFS
96 struct mlx5e_arfs_tables;
97
98 int mlx5e_arfs_create_tables(struct mlx5e_flow_steering *fs,
99 struct mlx5e_rx_res *rx_res, bool ntuple);
100 void mlx5e_arfs_destroy_tables(struct mlx5e_flow_steering *fs, bool ntuple);
101 int mlx5e_arfs_enable(struct mlx5e_flow_steering *fs);
102 int mlx5e_arfs_disable(struct mlx5e_flow_steering *fs);
103 int mlx5e_rx_flow_steer(struct net_device *dev, const struct sk_buff *skb,
104 u16 rxq_index, u32 flow_id);
105 #else
mlx5e_arfs_create_tables(struct mlx5e_flow_steering * fs,struct mlx5e_rx_res * rx_res,bool ntuple)106 static inline int mlx5e_arfs_create_tables(struct mlx5e_flow_steering *fs,
107 struct mlx5e_rx_res *rx_res, bool ntuple)
108 { return 0; }
mlx5e_arfs_destroy_tables(struct mlx5e_flow_steering * fs,bool ntuple)109 static inline void mlx5e_arfs_destroy_tables(struct mlx5e_flow_steering *fs, bool ntuple) {}
mlx5e_arfs_enable(struct mlx5e_flow_steering * fs)110 static inline int mlx5e_arfs_enable(struct mlx5e_flow_steering *fs)
111 { return -EOPNOTSUPP; }
mlx5e_arfs_disable(struct mlx5e_flow_steering * fs)112 static inline int mlx5e_arfs_disable(struct mlx5e_flow_steering *fs)
113 { return -EOPNOTSUPP; }
114 #endif
115
116 #ifdef CONFIG_MLX5_EN_TLS
117 struct mlx5e_accel_fs_tcp;
118 #endif
119
120 struct mlx5e_profile;
121 struct mlx5e_fs_udp;
122 struct mlx5e_fs_any;
123 struct mlx5e_ptp_fs;
124
125 void mlx5e_set_ttc_params(struct mlx5e_flow_steering *fs,
126 struct mlx5e_rx_res *rx_res,
127 struct ttc_params *ttc_params, bool tunnel);
128
129 void mlx5e_destroy_ttc_table(struct mlx5e_flow_steering *fs);
130 int mlx5e_create_ttc_table(struct mlx5e_flow_steering *fs,
131 struct mlx5e_rx_res *rx_res);
132
133 void mlx5e_destroy_flow_table(struct mlx5e_flow_table *ft);
134
135 void mlx5e_enable_cvlan_filter(struct mlx5e_flow_steering *fs, bool promisc);
136 void mlx5e_disable_cvlan_filter(struct mlx5e_flow_steering *fs, bool promisc);
137
138 int mlx5e_create_flow_steering(struct mlx5e_flow_steering *fs,
139 struct mlx5e_rx_res *rx_res,
140 const struct mlx5e_profile *profile,
141 struct net_device *netdev);
142 void mlx5e_destroy_flow_steering(struct mlx5e_flow_steering *fs, bool ntuple,
143 const struct mlx5e_profile *profile);
144
145 struct mlx5e_flow_steering *mlx5e_fs_init(const struct mlx5e_profile *profile,
146 struct mlx5_core_dev *mdev,
147 bool state_destroy);
148 void mlx5e_fs_cleanup(struct mlx5e_flow_steering *fs);
149 struct mlx5e_vlan_table *mlx5e_fs_get_vlan(struct mlx5e_flow_steering *fs);
150 void mlx5e_fs_set_tc(struct mlx5e_flow_steering *fs, struct mlx5e_tc_table *tc);
151 struct mlx5e_tc_table *mlx5e_fs_get_tc(struct mlx5e_flow_steering *fs);
152 struct mlx5e_l2_table *mlx5e_fs_get_l2(struct mlx5e_flow_steering *fs);
153 struct mlx5_flow_namespace *mlx5e_fs_get_ns(struct mlx5e_flow_steering *fs, bool egress);
154 void mlx5e_fs_set_ns(struct mlx5e_flow_steering *fs, struct mlx5_flow_namespace *ns, bool egress);
155 #ifdef CONFIG_MLX5_EN_RXNFC
156 struct mlx5e_ethtool_steering *mlx5e_fs_get_ethtool(struct mlx5e_flow_steering *fs);
157 #endif
158 struct mlx5_ttc_table *mlx5e_fs_get_ttc(struct mlx5e_flow_steering *fs, bool inner);
159 void mlx5e_fs_set_ttc(struct mlx5e_flow_steering *fs, struct mlx5_ttc_table *ttc, bool inner);
160 #ifdef CONFIG_MLX5_EN_ARFS
161 struct mlx5e_arfs_tables *mlx5e_fs_get_arfs(struct mlx5e_flow_steering *fs);
162 void mlx5e_fs_set_arfs(struct mlx5e_flow_steering *fs, struct mlx5e_arfs_tables *arfs);
163 #endif
164 struct mlx5e_ptp_fs *mlx5e_fs_get_ptp(struct mlx5e_flow_steering *fs);
165 void mlx5e_fs_set_ptp(struct mlx5e_flow_steering *fs, struct mlx5e_ptp_fs *ptp_fs);
166 struct mlx5e_fs_any *mlx5e_fs_get_any(struct mlx5e_flow_steering *fs);
167 void mlx5e_fs_set_any(struct mlx5e_flow_steering *fs, struct mlx5e_fs_any *any);
168 struct mlx5e_fs_udp *mlx5e_fs_get_udp(struct mlx5e_flow_steering *fs);
169 void mlx5e_fs_set_udp(struct mlx5e_flow_steering *fs, struct mlx5e_fs_udp *udp);
170 #ifdef CONFIG_MLX5_EN_TLS
171 struct mlx5e_accel_fs_tcp *mlx5e_fs_get_accel_tcp(struct mlx5e_flow_steering *fs);
172 void mlx5e_fs_set_accel_tcp(struct mlx5e_flow_steering *fs, struct mlx5e_accel_fs_tcp *accel_tcp);
173 #endif
174 void mlx5e_fs_set_state_destroy(struct mlx5e_flow_steering *fs, bool state_destroy);
175 void mlx5e_fs_set_vlan_strip_disable(struct mlx5e_flow_steering *fs, bool vlan_strip_disable);
176
177 struct mlx5_core_dev *mlx5e_fs_get_mdev(struct mlx5e_flow_steering *fs);
178 int mlx5e_add_vlan_trap(struct mlx5e_flow_steering *fs, int trap_id, int tir_num);
179 void mlx5e_remove_vlan_trap(struct mlx5e_flow_steering *fs);
180 int mlx5e_add_mac_trap(struct mlx5e_flow_steering *fs, int trap_id, int tir_num);
181 void mlx5e_remove_mac_trap(struct mlx5e_flow_steering *fs);
182 void mlx5e_fs_set_rx_mode_work(struct mlx5e_flow_steering *fs, struct net_device *netdev);
183 int mlx5e_fs_vlan_rx_add_vid(struct mlx5e_flow_steering *fs,
184 struct net_device *netdev,
185 __be16 proto, u16 vid);
186 int mlx5e_fs_vlan_rx_kill_vid(struct mlx5e_flow_steering *fs,
187 struct net_device *netdev,
188 __be16 proto, u16 vid);
189 void mlx5e_fs_init_l2_addr(struct mlx5e_flow_steering *fs, struct net_device *netdev);
190
191 #define fs_err(fs, fmt, ...) \
192 mlx5_core_err(mlx5e_fs_get_mdev(fs), fmt, ##__VA_ARGS__)
193
194 #define fs_dbg(fs, fmt, ...) \
195 mlx5_core_dbg(mlx5e_fs_get_mdev(fs), fmt, ##__VA_ARGS__)
196
197 #define fs_warn(fs, fmt, ...) \
198 mlx5_core_warn(mlx5e_fs_get_mdev(fs), fmt, ##__VA_ARGS__)
199
200 #define fs_warn_once(fs, fmt, ...) \
201 mlx5_core_warn_once(mlx5e_fs_get_mdev(fs), fmt, ##__VA_ARGS__)
202
203 #endif /* __MLX5E_FLOW_STEER_H__ */
204
205