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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, <waltje@uWalt.NL.Mugnet.ORG> |
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 | ||
e60ab84d | 46 | int icmp_rcv(struct sk_buff *skb); |
32bbd879 | 47 | int icmp_err(struct sk_buff *skb, u32 info); |
e60ab84d JP |
48 | int icmp_init(void); |
49 | void icmp_out_count(struct net *net, unsigned char type); | |
1da177e4 | 50 | |
1da177e4 | 51 | #endif /* _ICMP_H */ |