1
2
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
16enum {
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
24struct mlx5e_encap_key {
25 const struct ip_tunnel_key *ip_tun_key;
26 struct mlx5e_tc_tunnel *tc_tunnel;
27};
28
29struct 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 *headers_c,
46 void *headers_v);
47 int (*parse_tunnel)(struct mlx5e_priv *priv,
48 struct mlx5_flow_spec *spec,
49 struct flow_cls_offload *f,
50 void *headers_c,
51 void *headers_v);
52 bool (*encap_info_equal)(struct mlx5e_encap_key *a,
53 struct mlx5e_encap_key *b);
54};
55
56extern struct mlx5e_tc_tunnel vxlan_tunnel;
57extern struct mlx5e_tc_tunnel geneve_tunnel;
58extern struct mlx5e_tc_tunnel gre_tunnel;
59extern struct mlx5e_tc_tunnel mplsoudp_tunnel;
60
61struct mlx5e_tc_tunnel *mlx5e_get_tc_tun(struct net_device *tunnel_dev);
62
63int mlx5e_tc_tun_init_encap_attr(struct net_device *tunnel_dev,
64 struct mlx5e_priv *priv,
65 struct mlx5e_encap_entry *e,
66 struct netlink_ext_ack *extack);
67
68int mlx5e_tc_tun_create_header_ipv4(struct mlx5e_priv *priv,
69 struct net_device *mirred_dev,
70 struct mlx5e_encap_entry *e);
71int mlx5e_tc_tun_update_header_ipv4(struct mlx5e_priv *priv,
72 struct net_device *mirred_dev,
73 struct mlx5e_encap_entry *e);
74
75#if IS_ENABLED(CONFIG_INET) && IS_ENABLED(CONFIG_IPV6)
76int mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
77 struct net_device *mirred_dev,
78 struct mlx5e_encap_entry *e);
79int mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
80 struct net_device *mirred_dev,
81 struct mlx5e_encap_entry *e);
82#else
83static inline int
84mlx5e_tc_tun_create_header_ipv6(struct mlx5e_priv *priv,
85 struct net_device *mirred_dev,
86 struct mlx5e_encap_entry *e)
87{ return -EOPNOTSUPP; }
88static inline int
89mlx5e_tc_tun_update_header_ipv6(struct mlx5e_priv *priv,
90 struct net_device *mirred_dev,
91 struct mlx5e_encap_entry *e)
92{ return -EOPNOTSUPP; }
93#endif
94int mlx5e_tc_tun_route_lookup(struct mlx5e_priv *priv,
95 struct mlx5_flow_spec *spec,
96 struct mlx5_flow_attr *attr);
97
98bool mlx5e_tc_tun_device_to_offload(struct mlx5e_priv *priv,
99 struct net_device *netdev);
100
101int mlx5e_tc_tun_parse(struct net_device *filter_dev,
102 struct mlx5e_priv *priv,
103 struct mlx5_flow_spec *spec,
104 struct flow_cls_offload *f,
105 u8 *match_level);
106
107int mlx5e_tc_tun_parse_udp_ports(struct mlx5e_priv *priv,
108 struct mlx5_flow_spec *spec,
109 struct flow_cls_offload *f,
110 void *headers_c,
111 void *headers_v);
112
113bool mlx5e_tc_tun_encap_info_equal_generic(struct mlx5e_encap_key *a,
114 struct mlx5e_encap_key *b);
115
116#endif
117
118#endif
119
