1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _TRANSP_V6_H
3#define _TRANSP_V6_H
4
5#include <net/checksum.h>
6
7/* IPv6 transport protocols */
8extern struct proto rawv6_prot;
9extern struct proto udpv6_prot;
10extern struct proto udplitev6_prot;
11extern struct proto tcpv6_prot;
12extern struct proto pingv6_prot;
13
14struct flowi6;
15
16/* extension headers */
17int ipv6_exthdrs_init(void);
18void ipv6_exthdrs_exit(void);
19int ipv6_frag_init(void);
20void ipv6_frag_exit(void);
21
22/* transport protocols */
23int pingv6_init(void);
24void pingv6_exit(void);
25int rawv6_init(void);
26void rawv6_exit(void);
27int udpv6_init(void);
28void udpv6_exit(void);
29int udplitev6_init(void);
30void udplitev6_exit(void);
31int tcpv6_init(void);
32void tcpv6_exit(void);
33
34int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
35
36/* this does all the common and the specific ctl work */
37void ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg,
38 struct sk_buff *skb);
39void ip6_datagram_recv_common_ctl(struct sock *sk, struct msghdr *msg,
40 struct sk_buff *skb);
41void ip6_datagram_recv_specific_ctl(struct sock *sk, struct msghdr *msg,
42 struct sk_buff *skb);
43
44int ip6_datagram_send_ctl(struct net *net, struct sock *sk, struct msghdr *msg,
45 struct flowi6 *fl6, struct ipcm6_cookie *ipc6);
46
47void __ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp,
48 __u16 srcp, __u16 destp, int rqueue, int bucket);
49static inline void
50ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp, __u16 srcp,
51 __u16 destp, int bucket)
52{
53 __ip6_dgram_sock_seq_show(seq, sp, srcp, destp, sk_rmem_alloc_get(sp),
54 bucket);
55}
56
57#define LOOPBACK4_IPV6 cpu_to_be32(0x7f000006)
58
59/* address family specific functions */
60extern const struct inet_connection_sock_af_ops ipv4_specific;
61
62void inet6_destroy_sock(struct sock *sk);
63
64#define IPV6_SEQ_DGRAM_HEADER \
65 " sl " \
66 "local_address " \
67 "remote_address " \
68 "st tx_queue rx_queue tr tm->when retrnsmt" \
69 " uid timeout inode ref pointer drops\n"
70
71#endif
72