icmp.h File Reference

#include "lwip/opt.h"
#include "lwip/pbuf.h"
#include "lwip/ip_addr.h"
#include "lwip/netif.h"

Include dependency graph for icmp.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures
struct	icmp_echo_hdr

Macros
#define	ICMP_ER   0 /* echo reply */
#define	ICMP_DUR   3 /* destination unreachable */
#define	ICMP_SQ   4 /* source quench */
#define	ICMP_RD   5 /* redirect */
#define	ICMP_ECHO   8 /* echo */
#define	ICMP_TE   11 /* time exceeded */
#define	ICMP_PP   12 /* parameter problem */
#define	ICMP_TS   13 /* timestamp */
#define	ICMP_TSR   14 /* timestamp reply */
#define	ICMP_IRQ   15 /* information request */
#define	ICMP_IR   16 /* information reply */
#define	ICMPH_TYPE(hdr)   ((hdr)->type)
#define	ICMPH_CODE(hdr)   ((hdr)->code)
#define	ICMPH_TYPE_SET(hdr, t)   ((hdr)->type = (t))
#define	ICMPH_CODE_SET(hdr, c)   ((hdr)->code = (c))

Enumerations
enum	icmp_dur_type {   ICMP_DUR_NET = 0, ICMP_DUR_HOST = 1, ICMP_DUR_PROTO = 2, ICMP_DUR_PORT = 3,   ICMP_DUR_FRAG = 4, ICMP_DUR_SR = 5 }
enum	icmp_te_type { ICMP_TE_TTL = 0, ICMP_TE_FRAG = 1 }

Variables
PACK_STRUCT_BEGIN struct icmp_echo_hdr	PACK_STRUCT_STRUCT

Macro Definition Documentation

ICMP_DUR

#define ICMP_DUR   3 /* destination unreachable */

Definition at line 45 of file icmp.h.

ICMP_ECHO

#define ICMP_ECHO   8 /* echo */

Definition at line 48 of file icmp.h.

Referenced by ip_router().

ICMP_ER

#define ICMP_ER   0 /* echo reply */

Definition at line 44 of file icmp.h.

Referenced by ip_router().

ICMP_IR

#define ICMP_IR   16 /* information reply */

Definition at line 54 of file icmp.h.

ICMP_IRQ

#define ICMP_IRQ   15 /* information request */

Definition at line 53 of file icmp.h.

ICMP_PP

#define ICMP_PP   12 /* parameter problem */

Definition at line 50 of file icmp.h.

ICMP_RD

#define ICMP_RD   5 /* redirect */

Definition at line 47 of file icmp.h.

ICMP_SQ

#define ICMP_SQ   4 /* source quench */

Definition at line 46 of file icmp.h.

ICMP_TE

#define ICMP_TE   11 /* time exceeded */

Definition at line 49 of file icmp.h.

ICMP_TS

#define ICMP_TS   13 /* timestamp */

Definition at line 51 of file icmp.h.

ICMP_TSR

#define ICMP_TSR   14 /* timestamp reply */

Definition at line 52 of file icmp.h.

ICMPH_CODE

#define ICMPH_CODE

(

hdr

)

((hdr)->code)

Definition at line 96 of file icmp.h.

ICMPH_CODE_SET

#define ICMPH_CODE_SET	(		hdr,
			c
	)		((hdr)->code = (c))

Definition at line 100 of file icmp.h.

ICMPH_TYPE

#define ICMPH_TYPE

(

hdr

)

((hdr)->type)

Definition at line 95 of file icmp.h.

ICMPH_TYPE_SET

#define ICMPH_TYPE_SET	(		hdr,
			t
	)		((hdr)->type = (t))

Combines type and code to an u16_t ÏòICMP±¨ÎÄÊײ¿×Ö¶ÎÖÐдÈëÏàÓ¦Öµ

Definition at line 99 of file icmp.h.

Enumeration Type Documentation

icmp_dur_type

enum icmp_dur_type

Enumerator
ICMP_DUR_NET
ICMP_DUR_HOST
ICMP_DUR_PROTO
ICMP_DUR_PORT
ICMP_DUR_FRAG
ICMP_DUR_SR

Definition at line 56 of file icmp.h.

                   {
  ICMP_DUR_NET = 0,    /* net unreachable */
  ICMP_DUR_HOST = 1,   /* host unreachable */
  ICMP_DUR_PROTO = 2,  /* protocol unreachable */
  ICMP_DUR_PORT = 3,   /* port unreachable */
  ICMP_DUR_FRAG = 4,   /* fragmentation needed and DF set */
  ICMP_DUR_SR = 5      /* source route failed */
};

icmp_te_type

enum icmp_te_type

Enumerator
ICMP_TE_TTL
ICMP_TE_FRAG

Definition at line 65 of file icmp.h.

                  {
  ICMP_TE_TTL = 0,     /* time to live exceeded in transit */
  ICMP_TE_FRAG = 1     /* fragment reassembly time exceeded */
};

Variable Documentation

PACK_STRUCT_STRUCT

PACK_STRUCT_BEGIN struct icmp_echo_hdr PACK_STRUCT_STRUCT