[IPV6]: Support IPV6_{RECV,}TCLASS socket options / ancillary data.
[linux-2.6.git] / include / net / transp_v6.h
1 #ifndef _TRANSP_V6_H
2 #define _TRANSP_V6_H
3
4 #include <net/checksum.h>
5
6 /*
7  *      IPv6 transport protocols
8  */
9
10 #ifdef __KERNEL__
11
12 extern struct proto rawv6_prot;
13 extern struct proto udpv6_prot;
14 extern struct proto tcpv6_prot;
15
16 struct flowi;
17
18 /* extention headers */
19 extern void                             ipv6_rthdr_init(void);
20 extern void                             ipv6_frag_init(void);
21 extern void                             ipv6_nodata_init(void);
22 extern void                             ipv6_destopt_init(void);
23
24 /* transport protocols */
25 extern void                             rawv6_init(void);
26 extern void                             udpv6_init(void);
27 extern void                             tcpv6_init(void);
28
29 extern int                              udpv6_connect(struct sock *sk,
30                                                       struct sockaddr *uaddr,
31                                                       int addr_len);
32
33 extern int                      datagram_recv_ctl(struct sock *sk,
34                                                   struct msghdr *msg,
35                                                   struct sk_buff *skb);
36
37 extern int                      datagram_send_ctl(struct msghdr *msg,
38                                                   struct flowi *fl,
39                                                   struct ipv6_txoptions *opt,
40                                                   int *hlimit, int *tclass);
41
42 #define         LOOPBACK4_IPV6          __constant_htonl(0x7f000006)
43
44 /*
45  *      address family specific functions
46  */
47 extern struct tcp_func  ipv4_specific;
48
49 extern int inet6_destroy_sock(struct sock *sk);
50
51 #endif
52
53 #endif