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 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