LXR linux/include/net/transp

   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