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ipv6: Move ipv6 stubs to a separate header file
[linux.git] / include / net / ipv6_stubs.h
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _IPV6_STUBS_H
3 #define _IPV6_STUBS_H
4
5 #include <linux/in6.h>
6 #include <linux/netdevice.h>
7 #include <linux/skbuff.h>
8 #include <net/dst.h>
9 #include <net/flow.h>
10 #include <net/neighbour.h>
11 #include <net/sock.h>
12
13 /* structs from net/ip6_fib.h */
14 struct fib6_info;
15
16 /* This is ugly, ideally these symbols should be built
17  * into the core kernel.
18  */
19 struct ipv6_stub {
20         int (*ipv6_sock_mc_join)(struct sock *sk, int ifindex,
21                                  const struct in6_addr *addr);
22         int (*ipv6_sock_mc_drop)(struct sock *sk, int ifindex,
23                                  const struct in6_addr *addr);
24         int (*ipv6_dst_lookup)(struct net *net, struct sock *sk,
25                                struct dst_entry **dst, struct flowi6 *fl6);
26         int (*ipv6_route_input)(struct sk_buff *skb);
27
28         struct fib6_table *(*fib6_get_table)(struct net *net, u32 id);
29         struct fib6_info *(*fib6_lookup)(struct net *net, int oif,
30                                          struct flowi6 *fl6, int flags);
31         struct fib6_info *(*fib6_table_lookup)(struct net *net,
32                                               struct fib6_table *table,
33                                               int oif, struct flowi6 *fl6,
34                                               int flags);
35         struct fib6_info *(*fib6_multipath_select)(const struct net *net,
36                                                    struct fib6_info *f6i,
37                                                    struct flowi6 *fl6, int oif,
38                                                    const struct sk_buff *skb,
39                                                    int strict);
40         u32 (*ip6_mtu_from_fib6)(struct fib6_info *f6i, struct in6_addr *daddr,
41                                  struct in6_addr *saddr);
42
43         void (*udpv6_encap_enable)(void);
44         void (*ndisc_send_na)(struct net_device *dev, const struct in6_addr *daddr,
45                               const struct in6_addr *solicited_addr,
46                               bool router, bool solicited, bool override, bool inc_opt);
47         struct neigh_table *nd_tbl;
48 };
49 extern const struct ipv6_stub *ipv6_stub __read_mostly;
50
51 /* A stub used by bpf helpers. Similarly ugly as ipv6_stub */
52 struct ipv6_bpf_stub {
53         int (*inet6_bind)(struct sock *sk, struct sockaddr *uaddr, int addr_len,
54                           bool force_bind_address_no_port, bool with_lock);
55         struct sock *(*udp6_lib_lookup)(struct net *net,
56                                      const struct in6_addr *saddr, __be16 sport,
57                                      const struct in6_addr *daddr, __be16 dport,
58                                      int dif, int sdif, struct udp_table *tbl,
59                                      struct sk_buff *skb);
60 };
61 extern const struct ipv6_bpf_stub *ipv6_bpf_stub __read_mostly;
62
63 #endif