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  /* this does all the common and the specific ctl work */
37  void ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg,
38  			   struct sk_buff *skb);
39  void ip6_datagram_recv_common_ctl(struct sock *sk, struct msghdr *msg,
40  				  struct sk_buff *skb);
41  void ip6_datagram_recv_specific_ctl(struct sock *sk, struct msghdr *msg,
42  				    struct sk_buff *skb);
43  
44  int ip6_datagram_send_ctl(struct net *net, struct sock *sk, struct msghdr *msg,
45  			  struct flowi6 *fl6, struct ipcm6_cookie *ipc6);
46  
47  void __ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp,
48  			       __u16 srcp, __u16 destp, int rqueue, int bucket);
49  static inline void
ip6_dgram_sock_seq_show(struct seq_file * seq,struct sock * sp,__u16 srcp,__u16 destp,int bucket)50  ip6_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  #define IPV6_SEQ_DGRAM_HEADER					       \
60  	"  sl  "						       \
61  	"local_address                         "		       \
62  	"remote_address                        "		       \
63  	"st tx_queue rx_queue tr tm->when retrnsmt"		       \
64  	"   uid  timeout inode ref pointer drops\n"
65  
66  #endif
67