projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 2874c5fd | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 1da177e4 LT |
2 | /* |
| 3 | * INET An implementation of the TCP/IP protocol suite for the LINUX | |
| 4 | * operating system. INET is implemented using the BSD Socket | |
| 5 | * interface as the means of communication with the user level. | |
| 6 | * | |
| 7 | * Definitions for the ICMP module. | |
| 8 | * | |
| 9 | * Version: @(#)icmp.h 1.0.4 05/13/93 | |
| 10 | * | |
| 02c30a84 | 11 | * Authors: Ross Biro |
| 1da177e4 | 12 | * Fred N. van Kempen, <[email protected]> |
| 1da177e4 LT |
13 | */ |
| 14 | #ifndef _ICMP_H | |
| 15 | #define _ICMP_H | |
| 16 | ||
| 1da177e4 | 17 | #include <linux/icmp.h> |
| 1da177e4 | 18 | |
| 14c85021 | 19 | #include <net/inet_sock.h> |
| 1da177e4 | 20 | #include <net/snmp.h> |
| 9ef6b42a | 21 | #include <net/ip.h> |
| 1da177e4 LT |
22 | |
| 23 | struct icmp_err { | |
| 24 | int errno; | |
| 95c96174 | 25 | unsigned int fatal:1; |
| 1da177e4 LT |
26 | }; |
| 27 | ||
| e754834e | 28 | extern const struct icmp_err icmp_err_convert[]; |
| b60538a0 | 29 | #define ICMP_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.icmp_statistics, field) |
| 13415e46 | 30 | #define __ICMP_INC_STATS(net, field) __SNMP_INC_STATS((net)->mib.icmp_statistics, field) |
| acb32ba3 | 31 | #define ICMPMSGOUT_INC_STATS(net, field) SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field+256) |
| 214d3f1f | 32 | #define ICMPMSGIN_INC_STATS(net, field) SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field) |
| 1da177e4 | 33 | |
| 14c85021 ACM |
34 | struct dst_entry; |
| 35 | struct net_proto_family; | |
| 36 | struct sk_buff; | |
| 0388b004 | 37 | struct net; |
| 14c85021 | 38 | |
| 9ef6b42a NS |
39 | void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info, |
| 40 | const struct ip_options *opt); | |
| 41 | static inline void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) | |
| 42 | { | |
| 43 | __icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt); | |
| 44 | } | |
| 45 | ||
| 0b41713b JD |
46 | #if IS_ENABLED(CONFIG_NF_NAT) |
| 47 | void icmp_ndo_send(struct sk_buff *skb_in, int type, int code, __be32 info); | |
| 48 | #else | |
| ee576c47 JD |
49 | static inline void icmp_ndo_send(struct sk_buff *skb_in, int type, int code, __be32 info) |
| 50 | { | |
| 51 | struct ip_options opts = { 0 }; | |
| 52 | __icmp_send(skb_in, type, code, info, &opts); | |
| 53 | } | |
| 0b41713b JD |
54 | #endif |
| 55 | ||
| e60ab84d | 56 | int icmp_rcv(struct sk_buff *skb); |
| 32bbd879 | 57 | int icmp_err(struct sk_buff *skb, u32 info); |
| e60ab84d JP |
58 | int icmp_init(void); |
| 59 | void icmp_out_count(struct net *net, unsigned char type); | |
| 1fd07f33 | 60 | bool icmp_build_probe(struct sk_buff *skb, struct icmphdr *icmphdr); |
| 1da177e4 | 61 | |
| 1da177e4 | 62 | #endif /* _ICMP_H */ |