1#ifndef _LINUX_ICMPV6_H 2#define _LINUX_ICMPV6_H 3 4#include <linux/skbuff.h> 5#include <uapi/linux/icmpv6.h> 6 7static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb) 8{ 9 return (struct icmp6hdr *)skb_transport_header(skb); 10} 11 12#include <linux/netdevice.h> 13 14#if IS_ENABLED(CONFIG_IPV6) 15extern void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info); 16 17typedef void ip6_icmp_send_t(struct sk_buff *skb, u8 type, u8 code, __u32 info); 18extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn); 19extern int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn); 20 21#else 22 23static inline void icmpv6_send(struct sk_buff *skb, 24 u8 type, u8 code, __u32 info) 25{ 26 27} 28#endif 29 30extern int icmpv6_init(void); 31extern int icmpv6_err_convert(u8 type, u8 code, 32 int *err); 33extern void icmpv6_cleanup(void); 34extern void icmpv6_param_prob(struct sk_buff *skb, 35 u8 code, int pos); 36 37struct flowi6; 38struct in6_addr; 39extern void icmpv6_flow_init(struct sock *sk, 40 struct flowi6 *fl6, 41 u8 type, 42 const struct in6_addr *saddr, 43 const struct in6_addr *daddr, 44 int oif); 45#endif 46