1 | /* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */ |
2 | /* Copyright (c) 2018 Mellanox Technologies. */ |
3 | |
4 | #ifndef __MLX5_EN_TC_TUNNEL_H__ |
5 | #define __MLX5_EN_TC_TUNNEL_H__ |
6 | |
7 | #include <linux/netdevice.h> |
8 | #include <linux/mlx5/fs.h> |
9 | #include <net/pkt_cls.h> |
10 | #include <linux/netlink.h> |
11 | #include "en.h" |
12 | #include "en_rep.h" |
13 | |
14 | #ifdef CONFIG_MLX5_ESWITCH |
15 | |
16 | enum { |
17 | MLX5E_TC_TUNNEL_TYPE_UNKNOWN, |
18 | MLX5E_TC_TUNNEL_TYPE_VXLAN, |
19 | MLX5E_TC_TUNNEL_TYPE_GENEVE, |
20 | MLX5E_TC_TUNNEL_TYPE_GRETAP, |
21 | MLX5E_TC_TUNNEL_TYPE_MPLSOUDP, |
22 | }; |
23 | |
24 | struct mlx5e_encap_key { |
25 | const struct ip_tunnel_key *ip_tun_key; |
26 | struct mlx5e_tc_tunnel *tc_tunnel; |
27 | }; |
28 | |
29 | struct mlx5e_tc_tunnel { |
30 | int tunnel_type; |
31 | enum mlx5_flow_match_level match_level; |
32 | |
33 | bool (*can_offload)(struct mlx5e_priv *priv); |
34 | int (*calc_hlen)(struct mlx5e_encap_entry *e); |
35 | int (*init_encap_attr)(struct net_device *tunnel_dev, |
36 | struct mlx5e_priv *priv, |
37 | struct mlx5e_encap_entry *e, |
38 | struct netlink_ext_ack *extack); |
39 | int (*generate_ip_tun_hdr)(char buf[], |
40 | __u8 *ip_proto, |
41 | struct mlx5e_encap_entry *e); |
42 | int (*parse_udp_ports)(struct mlx5e_priv *priv, |
43 | struct mlx5_flow_spec *spec, |
44 | struct flow_cls_offload *f, |
45 | void *, |
46 | void *); |
47 | int (*parse_tunnel)(struct mlx5e_priv *priv, |
48 | struct mlx5_flow_spec *spec, |
49 | struct flow_cls_offload *f, |
50 | void *, |
51 | void *); |
52 | bool (*encap_info_equal)(struct mlx5e_encap_key *a, |
53 | struct mlx5e_encap_key *b); |
54 | int (*get_remote_ifindex)(struct net_device *mirred_dev); |
55 | }; |
56 | |
57 | extern struct mlx5e_tc_tunnel vxlan_tunnel; |
58 | extern struct mlx5e_tc_tunnel geneve_tunnel; |
59 | extern struct mlx5e_tc_tunnel gre_tunnel; |
60 | extern struct mlx5e_tc_tunnel mplsoudp_tunnel; |
61 | |
62 | struct mlx5e_tc_tunnel *mlx5e_get_tc_tun(struct net_device *tunnel_dev); |
63 | |
64 | int mlx5e_tc_tun_init_encap_attr(struct net_device *tunnel_dev, |
65 | struct mlx5e_priv *priv, |
66 | struct mlx5e_encap_entry *e, |
67 | struct netlink_ext_ack *extack); |
68 | |
69 | int (struct mlx5e_priv *priv, |
70 | struct net_device *mirred_dev, |
71 | struct mlx5e_encap_entry *e); |
72 | int (struct mlx5e_priv *priv, |
73 | struct net_device *mirred_dev, |
74 | struct mlx5e_encap_entry *e); |
75 | |
76 | #if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6) |
77 | int (struct mlx5e_priv *priv, |
78 | struct net_device *mirred_dev, |
79 | struct mlx5e_encap_entry *e); |
80 | int (struct mlx5e_priv *priv, |
81 | struct net_device *mirred_dev, |
82 | struct mlx5e_encap_entry *e); |
83 | #else |
84 | static inline int |
85 | mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv, |
86 | struct net_device *mirred_dev, |
87 | struct mlx5e_encap_entry *e) |
88 | { return -EOPNOTSUPP; } |
89 | static inline int |
90 | mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv, |
91 | struct net_device *mirred_dev, |
92 | struct mlx5e_encap_entry *e) |
93 | { return -EOPNOTSUPP; } |
94 | #endif |
95 | int mlx5e_tc_tun_route_lookup(struct mlx5e_priv *priv, |
96 | struct mlx5_flow_spec *spec, |
97 | struct mlx5_flow_attr *attr, |
98 | struct net_device *filter_dev); |
99 | |
100 | bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv, |
101 | struct net_device *netdev); |
102 | |
103 | int mlx5e_tc_tun_parse(struct net_device *filter_dev, |
104 | struct mlx5e_priv *priv, |
105 | struct mlx5_flow_spec *spec, |
106 | struct flow_cls_offload *f, |
107 | u8 *match_level); |
108 | |
109 | int mlx5e_tc_tun_parse_udp_ports(struct mlx5e_priv *priv, |
110 | struct mlx5_flow_spec *spec, |
111 | struct flow_cls_offload *f, |
112 | void *, |
113 | void *); |
114 | |
115 | bool mlx5e_tc_tun_encap_info_equal_generic(struct mlx5e_encap_key *a, |
116 | struct mlx5e_encap_key *b); |
117 | |
118 | bool mlx5e_tc_tun_encap_info_equal_options(struct mlx5e_encap_key *a, |
119 | struct mlx5e_encap_key *b, |
120 | __be16 tun_flags); |
121 | #endif /* CONFIG_MLX5_ESWITCH */ |
122 | |
123 | #endif //__MLX5_EN_TC_TUNNEL_H__ |
124 | |