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 */ 8 extern struct proto rawv6_prot; 9 extern struct proto udpv6_prot; 10 extern struct proto udplitev6_prot; 11 extern struct proto tcpv6_prot; 12 extern struct proto pingv6_prot; 13 14 struct flowi6; 15 16 /* extension headers */ 17 int ipv6_exthdrs_init(void); 18 void ipv6_exthdrs_exit(void); 19 int ipv6_frag_init(void); 20 void ipv6_frag_exit(void); 21 22 /* transport protocols */ 23 int pingv6_init(void); 24 void pingv6_exit(void); 25 int rawv6_init(void); 26 void rawv6_exit(void); 27 int udpv6_init(void); 28 void udpv6_exit(void); 29 int udplitev6_init(void); 30 void udplitev6_exit(void); 31 int tcpv6_init(void); 32 void tcpv6_exit(void); 33 34 int udpv6_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len); 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 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 /* address family specific functions */ 60 extern const struct inet_connection_sock_af_ops ipv4_specific; 61 62 void 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