projects / linux-block.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 protocol. | |
| 8 | * | |
| 9 | * Version: @(#)icmp.h 1.0.3 04/28/93 | |
| 10 | * | |
| 11 | * Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG> | |
| 1da177e4 LT |
12 | */ |
| 13 | #ifndef _LINUX_ICMP_H | |
| 14 | #define _LINUX_ICMP_H | |
| 15 | ||
| 88c7664f | 16 | #include <linux/skbuff.h> |
| 607ca46e | 17 | #include <uapi/linux/icmp.h> |
| eba75c58 | 18 | #include <uapi/linux/errqueue.h> |
| 88c7664f ACM |
19 | |
| 20 | static inline struct icmphdr *icmp_hdr(const struct sk_buff *skb) | |
| 21 | { | |
| 9c70220b | 22 | return (struct icmphdr *)skb_transport_header(skb); |
| 88c7664f | 23 | } |
| 15122464 MC |
24 | |
| 25 | static inline bool icmp_is_err(int type) | |
| 26 | { | |
| 27 | switch (type) { | |
| 28 | case ICMP_DEST_UNREACH: | |
| 29 | case ICMP_SOURCE_QUENCH: | |
| 30 | case ICMP_REDIRECT: | |
| 31 | case ICMP_TIME_EXCEEDED: | |
| 32 | case ICMP_PARAMETERPROB: | |
| 33 | return true; | |
| 34 | } | |
| 35 | ||
| 36 | return false; | |
| 37 | } | |
| 38 | ||
| eba75c58 | 39 | void ip_icmp_error_rfc4884(const struct sk_buff *skb, |
| 178c49d9 WB |
40 | struct sock_ee_data_rfc4884 *out, |
| 41 | int thlen, int off); | |
| eba75c58 | 42 | |
| 1da177e4 | 43 | #endif /* _LINUX_ICMP_H */ |