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Add definitions for ICMP router discovery.

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Reviewed by:	wollman
This commit is contained in:
fenner 1996-01-19 01:19:08 +00:00
parent 5afac1da74
commit d9db1417ad
1 changed files with 20 additions and 1 deletions
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21
sys/netinet/ip_icmp.h
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@ -31,7 +31,7 @@
* SUCH DAMAGE.
*
* @(#)ip_icmp.h 8.1 (Berkeley) 6/10/93
* $Id: ip_icmp.h,v 1.4 1995/05/30 08:09:43 rgrimes Exp $
* $Id: ip_icmp.h,v 1.5 1995/11/14 20:34:13 phk Exp $
*/
#ifndef _NETINET_IP_ICMP_H_
@ -42,6 +42,14 @@
* Per RFC 792, September 1981.
*/
/*
* Internal of an ICMP Router Advertisement
*/
struct icmp_ra_addr {
u_int32_t ira_addr;
u_int32_t ira_preference;
};
/*
* Structure of an icmp header.
*/
@ -63,6 +71,12 @@ struct icmp {
n_short ipm_void;
n_short ipm_nextmtu;
} ih_pmtu;
struct ih_rtradv {
u_char irt_num_addrs;
u_char irt_wpa;
u_int16_t irt_lifetime;
} ih_rtradv;
} icmp_hun;
#define icmp_pptr icmp_hun.ih_pptr
#define icmp_gwaddr icmp_hun.ih_gwaddr
@ -71,6 +85,9 @@ struct icmp {
#define icmp_void icmp_hun.ih_void
#define icmp_pmvoid icmp_hun.ih_pmtu.ipm_void
#define icmp_nextmtu icmp_hun.ih_pmtu.ipm_nextmtu
#define icmp_num_addrs icmp_hun.ih_rtradv.irt_num_addrs
#define icmp_wpa icmp_hun.ih_rtradv.irt_wpa
#define icmp_lifetime icmp_hun.ih_rtradv.irt_lifetime
union {
struct id_ts {
n_time its_otime;
@ -81,6 +98,7 @@ struct icmp {
struct ip idi_ip;
/* options and then 64 bits of data */
} id_ip;
struct icmp_ra_addr id_radv;
u_long id_mask;
char id_data[1];
} icmp_dun;
@ -88,6 +106,7 @@ struct icmp {
#define icmp_rtime icmp_dun.id_ts.its_rtime
#define icmp_ttime icmp_dun.id_ts.its_ttime
#define icmp_ip icmp_dun.id_ip.idi_ip
#define icmp_radv icmp_dun.id_radv
#define icmp_mask icmp_dun.id_mask
#define icmp_data icmp_dun.id_data
};