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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _LINUX_ICMPV6_H |
3 | #define _LINUX_ICMPV6_H | |
4 | ||
cc70ab26 | 5 | #include <linux/skbuff.h> |
607ca46e | 6 | #include <uapi/linux/icmpv6.h> |
cc70ab26 ACM |
7 | |
8 | static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb) | |
9 | { | |
9c70220b | 10 | return (struct icmp6hdr *)skb_transport_header(skb); |
cc70ab26 | 11 | } |
1da177e4 LT |
12 | |
13 | #include <linux/netdevice.h> | |
1da177e4 | 14 | |
5f5624cf PS |
15 | #if IS_ENABLED(CONFIG_IPV6) |
16 | extern void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info); | |
17 | ||
b1cadc1a ED |
18 | typedef void ip6_icmp_send_t(struct sk_buff *skb, u8 type, u8 code, __u32 info, |
19 | const struct in6_addr *force_saddr); | |
5f5624cf PS |
20 | extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn); |
21 | extern int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn); | |
20e1954f ED |
22 | int ip6_err_gen_icmpv6_unreach(struct sk_buff *skb, int nhs, int type, |
23 | unsigned int data_len); | |
5f5624cf PS |
24 | |
25 | #else | |
26 | ||
27 | static inline void icmpv6_send(struct sk_buff *skb, | |
28 | u8 type, u8 code, __u32 info) | |
29 | { | |
30 | ||
31 | } | |
32 | #endif | |
1da177e4 | 33 | |
9b0f976f | 34 | extern int icmpv6_init(void); |
d5fdd6ba | 35 | extern int icmpv6_err_convert(u8 type, u8 code, |
1da177e4 LT |
36 | int *err); |
37 | extern void icmpv6_cleanup(void); | |
38 | extern void icmpv6_param_prob(struct sk_buff *skb, | |
d5fdd6ba | 39 | u8 code, int pos); |
95e41e93 | 40 | |
4c9483b2 | 41 | struct flowi6; |
f59d4389 | 42 | struct in6_addr; |
95e41e93 | 43 | extern void icmpv6_flow_init(struct sock *sk, |
4c9483b2 | 44 | struct flowi6 *fl6, |
95e41e93 YH |
45 | u8 type, |
46 | const struct in6_addr *saddr, | |
47 | const struct in6_addr *daddr, | |
48 | int oif); | |
15122464 MC |
49 | |
50 | static inline bool icmpv6_is_err(int type) | |
51 | { | |
52 | switch (type) { | |
53 | case ICMPV6_DEST_UNREACH: | |
54 | case ICMPV6_PKT_TOOBIG: | |
55 | case ICMPV6_TIME_EXCEED: | |
56 | case ICMPV6_PARAMPROB: | |
57 | return true; | |
58 | } | |
59 | ||
60 | return false; | |
61 | } | |
62 | ||
1da177e4 | 63 | #endif |