1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _TRANSP_V6_H
3 #define _TRANSP_V6_H
4 
5 #include <net/checksum.h>
6 #include <net/sock.h>
7 
8 /* IPv6 transport protocols */
9 extern struct proto rawv6_prot;
10 extern struct proto udpv6_prot;
11 extern struct proto udplitev6_prot;
12 extern struct proto tcpv6_prot;
13 extern struct proto pingv6_prot;
14 
15 struct flowi6;
16 struct ipcm6_cookie;
17 
18 /* extension headers */
19 int ipv6_exthdrs_init(void);
20 void ipv6_exthdrs_exit(void);
21 int ipv6_frag_init(void);
22 void ipv6_frag_exit(void);
23 
24 /* transport protocols */
25 int pingv6_init(void);
26 void pingv6_exit(void);
27 int rawv6_init(void);
28 void rawv6_exit(void);
29 int udpv6_init(void);
30 void udpv6_exit(void);
31 int udplitev6_init(void);
32 void udplitev6_exit(void);
33 int tcpv6_init(void);
34 void tcpv6_exit(void);
35 
36 int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len);
37 
38 /* this does all the common and the specific ctl work */
39 void ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg,
40 			   struct sk_buff *skb);
41 void ip6_datagram_recv_common_ctl(struct sock *sk, struct msghdr *msg,
42 				  struct sk_buff *skb);
43 void ip6_datagram_recv_specific_ctl(struct sock *sk, struct msghdr *msg,
44 				    struct sk_buff *skb);
45 
46 int ip6_datagram_send_ctl(struct net *net, struct sock *sk, struct msghdr *msg,
47 			  struct flowi6 *fl6, struct ipcm6_cookie *ipc6);
48 
49 void __ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp,
50 			       __u16 srcp, __u16 destp, int rqueue, int bucket);
51 static inline void
ip6_dgram_sock_seq_show(struct seq_file * seq,struct sock * sp,__u16 srcp,__u16 destp,int bucket)52 ip6_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 }
58 
59 #define LOOPBACK4_IPV6 cpu_to_be32(0x7f000006)
60 
61 void inet6_destroy_sock(struct sock *sk);
62 
63 #define IPV6_SEQ_DGRAM_HEADER					       \
64 	"  sl  "						       \
65 	"local_address                         "		       \
66 	"remote_address                        "		       \
67 	"st tx_queue rx_queue tr tm->when retrnsmt"		       \
68 	"   uid  timeout inode ref pointer drops\n"
69 
70 #endif
71