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 tcpv6_prot; 12 extern struct proto pingv6_prot; 13 14 struct flowi6; 15 struct ipcm6_cookie; 16 17 /* extension headers */ 18 int ipv6_exthdrs_init(void); 19 void ipv6_exthdrs_exit(void); 20 int ipv6_frag_init(void); 21 void ipv6_frag_exit(void); 22 23 /* transport protocols */ 24 int pingv6_init(void); 25 void pingv6_exit(void); 26 int rawv6_init(void); 27 void rawv6_exit(void); 28 int udpv6_init(void); 29 void udpv6_exit(void); 30 int tcpv6_init(void); 31 void tcpv6_exit(void); 32 33 /* this does all the common and the specific ctl work */ 34 void ip6_datagram_recv_ctl(struct sock *sk, struct msghdr *msg, 35 struct sk_buff *skb); 36 void ip6_datagram_recv_common_ctl(struct sock *sk, struct msghdr *msg, 37 struct sk_buff *skb); 38 void ip6_datagram_recv_specific_ctl(struct sock *sk, struct msghdr *msg, 39 struct sk_buff *skb); 40 41 int ip6_datagram_send_ctl(struct net *net, struct sock *sk, struct msghdr *msg, 42 struct flowi6 *fl6, struct ipcm6_cookie *ipc6); 43 44 void __ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp, 45 __u16 srcp, __u16 destp, int rqueue, int bucket); 46 static inline void 47 ip6_dgram_sock_seq_show(struct seq_file *seq, struct sock *sp, __u16 srcp, 48 __u16 destp, int bucket) 49 { 50 __ip6_dgram_sock_seq_show(seq, sp, srcp, destp, sk_rmem_alloc_get(sp), 51 bucket); 52 } 53 54 #define LOOPBACK4_IPV6 cpu_to_be32(0x7f000006) 55 56 #define IPV6_SEQ_DGRAM_HEADER \ 57 " sl " \ 58 "local_address " \ 59 "remote_address " \ 60 "st tx_queue rx_queue tr tm->when retrnsmt" \ 61 " uid timeout inode ref pointer drops\n" 62 63 #endif 64