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gerrit-public.fairphone.software / kernel / msm-4.19 / 95582b00838837fc07e042979320caf917ce3fe6 / . / include / linux / icmpv6.h
blob: a8f888976137820e9b6a94a5d6bf37619073d19a [file] [log] [blame]
Greg Kroah-Hartmanb2441312017-11-01 15:07:57 +0100[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]2#ifndef _LINUX_ICMPV6_H
3#define _LINUX_ICMPV6_H
4
Arnaldo Carvalho de Melocc70ab22007-03-13 14:03:22 -0300[diff] [blame]5#include <linux/skbuff.h>
David Howells607ca462012-10-13 10:46:48 +0100[diff] [blame]6#include <uapi/linux/icmpv6.h>
Arnaldo Carvalho de Melocc70ab22007-03-13 14:03:22 -0300[diff] [blame]7
8static inline struct icmp6hdr *icmp6_hdr(const struct sk_buff *skb)
9{
Arnaldo Carvalho de Melo9c702202007-04-25 18:04:18 -0700[diff] [blame]10 return (struct icmp6hdr *)skb_transport_header(skb);
Arnaldo Carvalho de Melocc70ab22007-03-13 14:03:22 -0300[diff] [blame]11}
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]12
13#include <linux/netdevice.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]14
Pravin B Shelar5f5624c2013-04-25 11:08:30 +0000[diff] [blame]15#if IS_ENABLED(CONFIG_IPV6)
16extern void icmpv6_send(struct sk_buff *skb, u8 type, u8 code, __u32 info);
17
Eric Dumazetb1cadc12016-06-18 21:52:02 -0700[diff] [blame]18typedef void ip6_icmp_send_t(struct sk_buff *skb, u8 type, u8 code, __u32 info,
19 const struct in6_addr *force_saddr);
Pravin B Shelar5f5624c2013-04-25 11:08:30 +0000[diff] [blame]20extern int inet6_register_icmp_sender(ip6_icmp_send_t *fn);
21extern int inet6_unregister_icmp_sender(ip6_icmp_send_t *fn);
Eric Dumazet20e19542016-06-18 21:52:06 -0700[diff] [blame]22int ip6_err_gen_icmpv6_unreach(struct sk_buff *skb, int nhs, int type,
23 unsigned int data_len);
Pravin B Shelar5f5624c2013-04-25 11:08:30 +0000[diff] [blame]24
25#else
26
27static inline void icmpv6_send(struct sk_buff *skb,
28 u8 type, u8 code, __u32 info)
29{
30
31}
32#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]33
Denis V. Lunev9b0f9762008-02-29 11:13:15 -0800[diff] [blame]34extern int icmpv6_init(void);
Brian Haleyd5fdd6b2009-06-23 04:31:07 -0700[diff] [blame]35extern int icmpv6_err_convert(u8 type, u8 code,
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]36 int *err);
37extern void icmpv6_cleanup(void);
38extern void icmpv6_param_prob(struct sk_buff *skb,
Brian Haleyd5fdd6b2009-06-23 04:31:07 -0700[diff] [blame]39 u8 code, int pos);
YOSHIFUJI Hideaki95e41e92007-12-06 15:43:30 -0800[diff] [blame]40
David S. Miller4c9483b2011-03-12 16:22:43 -0500[diff] [blame]41struct flowi6;
David S. Millerf59d4382008-03-05 20:58:10 -0800[diff] [blame]42struct in6_addr;
YOSHIFUJI Hideaki95e41e92007-12-06 15:43:30 -0800[diff] [blame]43extern void icmpv6_flow_init(struct sock *sk,
David S. Miller4c9483b2011-03-12 16:22:43 -0500[diff] [blame]44 struct flowi6 *fl6,
YOSHIFUJI Hideaki95e41e92007-12-06 15:43:30 -0800[diff] [blame]45 u8 type,
46 const struct in6_addr *saddr,
47 const struct in6_addr *daddr,
48 int oif);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame]49#endif