| xj | b04a402 | 2021-11-25 15:01:52 +0800 | [diff] [blame] | 1 | /* |
| 2 | * INET An implementation of the TCP/IP protocol suite for the LINUX |
| 3 | * operating system. INET is implemented using the BSD Socket |
| 4 | * interface as the means of communication with the user level. |
| 5 | * |
| 6 | * Definitions for the ICMP module. |
| 7 | * |
| 8 | * Version: @(#)icmp.h 1.0.4 05/13/93 |
| 9 | * |
| 10 | * Authors: Ross Biro |
| 11 | * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> |
| 12 | * |
| 13 | * This program is free software; you can redistribute it and/or |
| 14 | * modify it under the terms of the GNU General Public License |
| 15 | * as published by the Free Software Foundation; either version |
| 16 | * 2 of the License, or (at your option) any later version. |
| 17 | */ |
| 18 | #ifndef _ICMP_H |
| 19 | #define _ICMP_H |
| 20 | |
| 21 | #include <linux/icmp.h> |
| 22 | |
| 23 | #include <net/inet_sock.h> |
| 24 | #include <net/snmp.h> |
| 25 | #include <net/ip.h> |
| 26 | |
| 27 | struct icmp_err { |
| 28 | int errno; |
| 29 | unsigned int fatal:1; |
| 30 | }; |
| 31 | |
| 32 | extern const struct icmp_err icmp_err_convert[]; |
| 33 | #define ICMP_INC_STATS(net, field) SNMP_INC_STATS((net)->mib.icmp_statistics, field) |
| 34 | #define __ICMP_INC_STATS(net, field) __SNMP_INC_STATS((net)->mib.icmp_statistics, field) |
| 35 | #define ICMPMSGOUT_INC_STATS(net, field) SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field+256) |
| 36 | #define ICMPMSGIN_INC_STATS(net, field) SNMP_INC_STATS_ATOMIC_LONG((net)->mib.icmpmsg_statistics, field) |
| 37 | |
| 38 | struct dst_entry; |
| 39 | struct net_proto_family; |
| 40 | struct sk_buff; |
| 41 | struct net; |
| 42 | |
| 43 | void __icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info, |
| 44 | const struct ip_options *opt); |
| 45 | static inline void icmp_send(struct sk_buff *skb_in, int type, int code, __be32 info) |
| 46 | { |
| 47 | __icmp_send(skb_in, type, code, info, &IPCB(skb_in)->opt); |
| 48 | } |
| 49 | |
| 50 | int icmp_rcv(struct sk_buff *skb); |
| 51 | void icmp_err(struct sk_buff *skb, u32 info); |
| 52 | int icmp_init(void); |
| 53 | void icmp_out_count(struct net *net, unsigned char type); |
| 54 | |
| 55 | #endif /* _ICMP_H */ |