1 #ifndef _LINUX_ICMPV6_H 2 #define _LINUX_ICMPV6_H 3 4 #include <linux/skbuff.h> 5 #include <uapi/linux/icmpv6.h> 6 7 static 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) 15 extern void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info); 16 17 typedef void ip6_icmp_send_t(struct sk_buff *skb, u8 type, u8 code, __u32 info); 18 extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn); 19 extern int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn); 20 21 #else 22 23 static inline void icmpv6_send(struct sk_buff *skb, 24 u8 type, u8 code, __u32 info) 25 { 26 27 } 28 #endif 29 30 extern int icmpv6_init(void); 31 extern int icmpv6_err_convert(u8 type, u8 code, 32 int *err); 33 extern void icmpv6_cleanup(void); 34 extern void icmpv6_param_prob(struct sk_buff *skb, 35 u8 code, int pos); 36 37 struct flowi6; 38 struct in6_addr; 39 extern 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