Cregit: Linux 5.6: icmp.h

Contributors: 5
Author	Tokens	Token Proportion	Commits	Commit Proportion
Matteo Croce	37	46.25%	1	14.29%
Arnaldo Carvalho de Melo	32	40.00%	3	42.86%
Linus Torvalds (pre-git)	7	8.75%	1	14.29%
Thomas Gleixner	2	2.50%	1	14.29%
David Howells	2	2.50%	1	14.29%
Total	80		7

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 *		operating system.  INET is implemented using the  BSD Socket
 *		interface as the means of communication with the user level.
 *
 *		Definitions for the ICMP protocol.
 *
 * Version:	@(#)icmp.h	1.0.3	04/28/93
 *
 * Author:	Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
 */
#ifndef _LINUX_ICMP_H
#define	_LINUX_ICMP_H

#include <linux/skbuff.h>
#include <uapi/linux/icmp.h>

static inline struct icmphdr *icmp_hdr(const struct sk_buff *skb)
{
	return (struct icmphdr *)skb_transport_header(skb);
}

static inline bool icmp_is_err(int type)
{
	switch (type) {
	case ICMP_DEST_UNREACH:
	case ICMP_SOURCE_QUENCH:
	case ICMP_REDIRECT:
	case ICMP_TIME_EXCEEDED:
	case ICMP_PARAMETERPROB:
		return true;
	}

	return false;
}

#endif	/* _LINUX_ICMP_H */