Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
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linux
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,
18 const struct in6_addr *force_saddr);
19extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn);
20extern int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn);
21int ip6_err_gen_icmpv6_unreach(struct sk_buff *skb, int nhs, int type,
22 unsigned int data_len);
23
24#else
25
26static inline void icmpv6_send(struct sk_buff *skb,
27 u8 type, u8 code, __u32 info)
28{
29
30}
31#endif
32
33extern int icmpv6_init(void);
34extern int icmpv6_err_convert(u8 type, u8 code,
35 int *err);
36extern void icmpv6_cleanup(void);
37extern void icmpv6_param_prob(struct sk_buff *skb,
38 u8 code, int pos);
39
40struct flowi6;
41struct in6_addr;
42extern void icmpv6_flow_init(struct sock *sk,
43 struct flowi6 *fl6,
44 u8 type,
45 const struct in6_addr *saddr,
46 const struct in6_addr *daddr,
47 int oif);
48#endif