[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / icmp.h

/*
 * 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>
 *
 *		This program is free software; you can redistribute it and/or
 *		modify it under the terms of the GNU General Public License
 *		as published by the Free Software Foundation; either version
 *		2 of the License, or (at your option) any later version.
 */
#ifndef _LINUX_ICMP_H
#define	_LINUX_ICMP_H

#include <linux/types.h>

#define ICMP_ECHOREPLY		0	/* Echo Reply			*/
#define ICMP_DEST_UNREACH	3	/* Destination Unreachable	*/
#define ICMP_SOURCE_QUENCH	4	/* Source Quench		*/
#define ICMP_REDIRECT		5	/* Redirect (change route)	*/
#define ICMP_ECHO		8	/* Echo Request			*/
#define ICMP_TIME_EXCEEDED	11	/* Time Exceeded		*/
#define ICMP_PARAMETERPROB	12	/* Parameter Problem		*/
#define ICMP_TIMESTAMP		13	/* Timestamp Request		*/
#define ICMP_TIMESTAMPREPLY	14	/* Timestamp Reply		*/
#define ICMP_INFO_REQUEST	15	/* Information Request		*/
#define ICMP_INFO_REPLY		16	/* Information Reply		*/
#define ICMP_ADDRESS		17	/* Address Mask Request		*/
#define ICMP_ADDRESSREPLY	18	/* Address Mask Reply		*/
#define NR_ICMP_TYPES		18


/* Codes for UNREACH. */
#define ICMP_NET_UNREACH	0	/* Network Unreachable		*/
#define ICMP_HOST_UNREACH	1	/* Host Unreachable		*/
#define ICMP_PROT_UNREACH	2	/* Protocol Unreachable		*/
#define ICMP_PORT_UNREACH	3	/* Port Unreachable		*/
#define ICMP_FRAG_NEEDED	4	/* Fragmentation Needed/DF set	*/
#define ICMP_SR_FAILED		5	/* Source Route failed		*/
#define ICMP_NET_UNKNOWN	6
#define ICMP_HOST_UNKNOWN	7
#define ICMP_HOST_ISOLATED	8
#define ICMP_NET_ANO		9
#define ICMP_HOST_ANO		10
#define ICMP_NET_UNR_TOS	11
#define ICMP_HOST_UNR_TOS	12
#define ICMP_PKT_FILTERED	13	/* Packet filtered */
#define ICMP_PREC_VIOLATION	14	/* Precedence violation */
#define ICMP_PREC_CUTOFF	15	/* Precedence cut off */
#define NR_ICMP_UNREACH		15	/* instead of hardcoding immediate value */

/* Codes for REDIRECT. */
#define ICMP_REDIR_NET		0	/* Redirect Net			*/
#define ICMP_REDIR_HOST		1	/* Redirect Host		*/
#define ICMP_REDIR_NETTOS	2	/* Redirect Net for TOS		*/
#define ICMP_REDIR_HOSTTOS	3	/* Redirect Host for TOS	*/

/* Codes for TIME_EXCEEDED. */
#define ICMP_EXC_TTL		0	/* TTL count exceeded		*/
#define ICMP_EXC_FRAGTIME	1	/* Fragment Reass time exceeded	*/


struct icmphdr {
  __u8		type;
  __u8		code;
  __sum16	checksum;
  union {
	struct {
		__be16	id;
		__be16	sequence;
	} echo;
	__be32	gateway;
	struct {
		__be16	__unused;
		__be16	mtu;
	} frag;
  } un;
};

#ifdef __KERNEL__
#include <linux/skbuff.h>

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

/*
 *	constants for (set|get)sockopt
 */

#define ICMP_FILTER			1

struct icmp_filter {
	__u32		data;
};


#endif	/* _LINUX_ICMP_H */
Commit	Line	Data
1da177e4 LT	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 protocol.
	7	*
	8	* Version: @(#)icmp.h 1.0.3 04/28/93
	9	*
	10	* Author: Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
	11	*
	12	* This program is free software; you can redistribute it and/or
	13	* modify it under the terms of the GNU General Public License
	14	* as published by the Free Software Foundation; either version
	15	* 2 of the License, or (at your option) any later version.
	16	*/
	17	#ifndef _LINUX_ICMP_H
	18	#define _LINUX_ICMP_H
	19
	20	#include <linux/types.h>
	21
	22	#define ICMP_ECHOREPLY 0 /* Echo Reply */
	23	#define ICMP_DEST_UNREACH 3 /* Destination Unreachable */
	24	#define ICMP_SOURCE_QUENCH 4 /* Source Quench */
	25	#define ICMP_REDIRECT 5 /* Redirect (change route) */
	26	#define ICMP_ECHO 8 /* Echo Request */
	27	#define ICMP_TIME_EXCEEDED 11 /* Time Exceeded */
	28	#define ICMP_PARAMETERPROB 12 /* Parameter Problem */
	29	#define ICMP_TIMESTAMP 13 /* Timestamp Request */
	30	#define ICMP_TIMESTAMPREPLY 14 /* Timestamp Reply */
	31	#define ICMP_INFO_REQUEST 15 /* Information Request */
	32	#define ICMP_INFO_REPLY 16 /* Information Reply */
	33	#define ICMP_ADDRESS 17 /* Address Mask Request */
	34	#define ICMP_ADDRESSREPLY 18 /* Address Mask Reply */
	35	#define NR_ICMP_TYPES 18
	36
	37
	38	/* Codes for UNREACH. */
	39	#define ICMP_NET_UNREACH 0 /* Network Unreachable */
	40	#define ICMP_HOST_UNREACH 1 /* Host Unreachable */
	41	#define ICMP_PROT_UNREACH 2 /* Protocol Unreachable */
	42	#define ICMP_PORT_UNREACH 3 /* Port Unreachable */
	43	#define ICMP_FRAG_NEEDED 4 /* Fragmentation Needed/DF set */
	44	#define ICMP_SR_FAILED 5 /* Source Route failed */
	45	#define ICMP_NET_UNKNOWN 6
	46	#define ICMP_HOST_UNKNOWN 7
	47	#define ICMP_HOST_ISOLATED 8
	48	#define ICMP_NET_ANO 9
	49	#define ICMP_HOST_ANO 10
	50	#define ICMP_NET_UNR_TOS 11
	51	#define ICMP_HOST_UNR_TOS 12
	52	#define ICMP_PKT_FILTERED 13 /* Packet filtered */
	53	#define ICMP_PREC_VIOLATION 14 /* Precedence violation */
	54	#define ICMP_PREC_CUTOFF 15 /* Precedence cut off */
	55	#define NR_ICMP_UNREACH 15 /* instead of hardcoding immediate value */
	56
	57	/* Codes for REDIRECT. */
	58	#define ICMP_REDIR_NET 0 /* Redirect Net */
	59	#define ICMP_REDIR_HOST 1 /* Redirect Host */
	60	#define ICMP_REDIR_NETTOS 2 /* Redirect Net for TOS */
	61	#define ICMP_REDIR_HOSTTOS 3 /* Redirect Host for TOS */
	62
	63	/* Codes for TIME_EXCEEDED. */
	64	#define ICMP_EXC_TTL 0 /* TTL count exceeded */
65	#define ICMP_EXC_FRAGTIME 1 /* Fragment Reass time exceeded */
66
67
68	struct icmphdr {
69	__u8 type;
70	__u8 code;
9981a0e3	71	__sum16 checksum;
1da177e4 LT	72	union {
1da177e4 LT	73	struct {
b1dd39ac AV	74	__be16 id;
b1dd39ac AV	75	__be16 sequence;
1da177e4	76	} echo;
b1dd39ac	77	__be32 gateway;
1da177e4	78	struct {
b1dd39ac AV	79	__be16 __unused;
b1dd39ac AV	80	__be16 mtu;
1da177e4 LT	81	} frag;
	82	} un;
	83	};
	84
88c7664f ACM	85	#ifdef __KERNEL__
	86	#include <linux/skbuff.h>
	87
	88	static inline struct icmphdr icmp_hdr(const struct sk_buff skb)
	89	{
9c70220b	90	return (struct icmphdr *)skb_transport_header(skb);
88c7664f ACM	91	}
	92	#endif
	93
1da177e4 LT	94	/*
	95	* constants for (set\|get)sockopt
	96	*/
	97
	98	#define ICMP_FILTER 1
	99
	100	struct icmp_filter {
	101	__u32 data;
	102	};
	103
	104
	105	#endif /* _LINUX_ICMP_H */