ip_icmp.h File Reference

Interface control message protocol definitions. More...

#include <sys/types.h>
#include <net/if_arp.h>
#include <netinet/ip.h>

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Data Structures
struct	icmp
	ICMP protocol header structure. More...
Defines
#define	ICMP_ECHOREPLY   0
	Echo reply type.
#define	ICMP_UNREACH   3
	Destination unreachable type.
#define	ICMP_UNREACH_NET   0
	Destination unreachable: Bad net code.
#define	ICMP_UNREACH_HOST   1
	Destination unreachable: Bad host.
#define	ICMP_UNREACH_PROTOCOL   2
	Destination unreachable: Bad protocol.
#define	ICMP_UNREACH_PORT   3
	Destination unreachable: Bad port.
#define	ICMP_UNREACH_NEEDFRAG   4
	Destination unreachable: Fragmentation needed.
#define	ICMP_UNREACH_SRCFAIL   5
	Destination unreachable: Source route failed.
#define	ICMP_UNREACH_NET_UNKNOWN   6
	Destination unreachable: Unknown net.
#define	ICMP_UNREACH_HOST_UNKNOWN   7
	Destination unreachable: Unknown host.
#define	ICMP_UNREACH_ISOLATED   8
	Destination unreachable: Source host isolated.
#define	ICMP_UNREACH_NET_PROHIB   9
	Destination unreachable: Net access prohibited.
#define	ICMP_UNREACH_HOST_PROHIB   10
	Destination unreachable: Host access prohibited.
#define	ICMP_UNREACH_TOSNET   11
	Destination unreachable: Bad tos for net.
#define	ICMP_UNREACH_TOSHOST   12
	Destination unreachable: Bad tos for host.
#define	ICMP_SOURCEQUENCH   4
	Packet lost type.
#define	ICMP_REDIRECT   5
	Shorter route type.
#define	ICMP_REDIRECT_NET   0
	Shorter route for network.
#define	ICMP_REDIRECT_HOST   1
	Shorter route for host.
#define	ICMP_REDIRECT_TOSNET   2
	Shorter route for tos and net.
#define	ICMP_REDIRECT_TOSHOST   3
	Shorter route for tos and host.
#define	ICMP_ECHO   8
	Echo reply type.
#define	ICMP_ROUTERADVERT   9
	Router advertisement type.
#define	ICMP_ROUTERSOLICIT   10
	Router solicitation type.
#define	ICMP_TIMXCEED   11
	Time exceeded type.
#define	ICMP_TIMXCEED_INTRANS   0
	Time exceeded in transit.
#define	ICMP_TIMXCEED_REASS   1
	Time exceeded in reassembly.
#define	ICMP_PARAMPROB   12
	Bad IP header type.
#define	ICMP_PARAMPROB_OPTABSENT   1
	Bad IP header: Required option missing.
#define	ICMP_TSTAMP   13
	Timestamp request type.
#define	ICMP_TSTAMPREPLY   14
	Timestamp reply type.
#define	ICMP_IREQ   15
	Information request type.
#define	ICMP_IREQREPLY   16
	Information reply type.
#define	ICMP_MASKREQ   17
	Address mask request type.
#define	ICMP_MASKREPLY   18
	Address mask reply type.
#define	ICMP_MAXTYPE   18
	Maximum ICMP type number.
#define	ICMP_MINLEN   8
	Lower bounds on packet length.
Typedefs
typedef struct icmp	ICMPHDR
	ICMP protocol header type.

---

Detailed Description

Interface control message protocol definitions.

RFC 792.

---

Define Documentation

#define ICMP_ECHOREPLY   0

Echo reply type.

Examples:

pingnet/pingnet.c.

Referenced by NutIcmpInput().

#define ICMP_UNREACH   3

Destination unreachable type.

Referenced by NutIcmpInput(), NutIpInput(), and NutUdpInput().

#define ICMP_UNREACH_NET   0

Destination unreachable: Bad net code.

#define ICMP_UNREACH_HOST   1

Destination unreachable: Bad host.

#define ICMP_UNREACH_PROTOCOL   2

Destination unreachable: Bad protocol.

Referenced by NutIpInput().

#define ICMP_UNREACH_PORT   3

Destination unreachable: Bad port.

Referenced by NutUdpInput().

#define ICMP_UNREACH_NEEDFRAG   4

Destination unreachable: Fragmentation needed.

#define ICMP_UNREACH_SRCFAIL   5

Destination unreachable: Source route failed.

#define ICMP_UNREACH_NET_UNKNOWN   6

Destination unreachable: Unknown net.

#define ICMP_UNREACH_HOST_UNKNOWN   7

Destination unreachable: Unknown host.

#define ICMP_UNREACH_ISOLATED   8

Destination unreachable: Source host isolated.

#define ICMP_UNREACH_NET_PROHIB   9

Destination unreachable: Net access prohibited.

#define ICMP_UNREACH_HOST_PROHIB   10

Destination unreachable: Host access prohibited.

#define ICMP_UNREACH_TOSNET   11

Destination unreachable: Bad tos for net.

#define ICMP_UNREACH_TOSHOST   12

Destination unreachable: Bad tos for host.

#define ICMP_SOURCEQUENCH   4

Packet lost type.

#define ICMP_REDIRECT   5

Shorter route type.

#define ICMP_REDIRECT_NET   0

Shorter route for network.

#define ICMP_REDIRECT_HOST   1

Shorter route for host.

#define ICMP_REDIRECT_TOSNET   2

Shorter route for tos and net.

#define ICMP_REDIRECT_TOSHOST   3

Shorter route for tos and host.

#define ICMP_ECHO   8

Echo reply type.

Examples:

pingnet/pingnet.c.

Referenced by NutIcmpInput().

#define ICMP_ROUTERADVERT   9

Router advertisement type.

#define ICMP_ROUTERSOLICIT   10

Router solicitation type.

#define ICMP_TIMXCEED   11

Time exceeded type.

#define ICMP_TIMXCEED_INTRANS   0

Time exceeded in transit.

#define ICMP_TIMXCEED_REASS   1

Time exceeded in reassembly.

#define ICMP_PARAMPROB   12

Bad IP header type.

#define ICMP_PARAMPROB_OPTABSENT   1

Bad IP header: Required option missing.

#define ICMP_TSTAMP   13

Timestamp request type.

#define ICMP_TSTAMPREPLY   14

Timestamp reply type.

#define ICMP_IREQ   15

Information request type.

#define ICMP_IREQREPLY   16

Information reply type.

#define ICMP_MASKREQ   17

Address mask request type.

#define ICMP_MASKREPLY   18

Address mask reply type.

#define ICMP_MAXTYPE   18

Maximum ICMP type number.

#define ICMP_MINLEN   8

Lower bounds on packet length.

---

Typedef Documentation

ICMPHDR

ICMP protocol header type.