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Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +01001/* SPDX-License-Identifier: GPL-2.0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -07002#ifndef _TRANSP_V6_H
3#define _TRANSP_V6_H
4
5#include <net/checksum.h>
Jakub Kicinski949d6b42022-07-20 16:57:58 -07006#include <net/sock.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -07007
Joe Perchesf145b672013-06-02 07:04:26 +00008/* IPv6 transport protocols */
9extern struct proto rawv6_prot;
10extern struct proto udpv6_prot;
11extern struct proto udplitev6_prot;
12extern struct proto tcpv6_prot;
13extern struct proto pingv6_prot;
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
David S. Miller4c9483b2011-03-12 16:22:43 -050015struct flowi6;
Jakub Kicinski949d6b42022-07-20 16:57:58 -070016struct ipcm6_cookie;
Linus Torvalds1da177e2005-04-16 15:20:36 -070017
Lucas De Marchi25985ed2011-03-30 22:57:33 -030018/* extension headers */
Joe Perchesf145b672013-06-02 07:04:26 +000019int ipv6_exthdrs_init(void);
20void ipv6_exthdrs_exit(void);
21int ipv6_frag_init(void);
22void ipv6_frag_exit(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070023
24/* transport protocols */
Joe Perchesf145b672013-06-02 07:04:26 +000025int pingv6_init(void);
26void pingv6_exit(void);
27int rawv6_init(void);
28void rawv6_exit(void);
29int udpv6_init(void);
30void udpv6_exit(void);
31int udplitev6_init(void);
32void udplitev6_exit(void);
33int tcpv6_init(void);
34void tcpv6_exit(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -070035
Joe Perchesf145b672013-06-02 07:04:26 +000036int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
Linus Torvalds1da177e2005-04-16 15:20:36 -070037
Hannes Frederic Sowa4b261c752014-01-20 03:43:08 +010038/* this does all the common and the specific ctl work */
39void ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg,
40 struct sk_buff *skb);
41void ip6_datagram_recv_common_ctl(struct sock *sk, struct msghdr *msg,
42 struct sk_buff *skb);
43void ip6_datagram_recv_specific_ctl(struct sock *sk, struct msghdr *msg,
44 struct sk_buff *skb);
Linus Torvalds1da177e2005-04-16 15:20:36 -070045
Joe Perchesf145b672013-06-02 07:04:26 +000046int ip6_datagram_send_ctl(struct net *net, struct sock *sk, struct msghdr *msg,
Willem de Bruijn5fdaa882018-07-06 10:12:57 -040047 struct flowi6 *fl6, struct ipcm6_cookie *ipc6);
Linus Torvalds1da177e2005-04-16 15:20:36 -070048
Paolo Abeni6c206b22018-06-08 11:35:40 +020049void __ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp,
50 __u16 srcp, __u16 destp, int rqueue, int bucket);
51static inline void
52ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp, __u16 srcp,
53 __u16 destp, int bucket)
54{
55 __ip6_dgram_sock_seq_show(seq, sp, srcp, destp, sk_rmem_alloc_get(sp),
56 bucket);
57}
Lorenzo Colitti17ef66af2013-05-31 15:05:48 +000058
Joe Perchesf145b672013-06-02 07:04:26 +000059#define LOOPBACK4_IPV6 cpu_to_be32(0x7f000006)
Linus Torvalds1da177e2005-04-16 15:20:36 -070060
Joe Perchesf145b672013-06-02 07:04:26 +000061#define IPV6_SEQ_DGRAM_HEADER \
62 " sl " \
63 "local_address " \
64 "remote_address " \
65 "st tx_queue rx_queue tr tm->when retrnsmt" \
66 " uid timeout inode ref pointer drops\n"
Lorenzo Colitti17ef66af2013-05-31 15:05:48 +000067
Linus Torvalds1da177e2005-04-16 15:20:36 -070068#endif