mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-04 09:09:56 +00:00
37 lines
1.0 KiB
C
37 lines
1.0 KiB
C
/* Cisco IGRP definitions */
|
|
|
|
/* IGRP Header */
|
|
|
|
struct igrphdr {
|
|
#ifdef WORDS_BIGENDIAN
|
|
u_char ig_v:4; /* protocol version number */
|
|
u_char ig_op:4; /* opcode */
|
|
#else
|
|
u_char ig_op:4; /* opcode */
|
|
u_char ig_v:4; /* protocol version number */
|
|
#endif
|
|
u_char ig_ed; /* edition number */
|
|
u_short ig_as; /* autonomous system number */
|
|
u_short ig_ni; /* number of subnet in local net */
|
|
u_short ig_ns; /* number of networks in AS */
|
|
u_short ig_nx; /* number of networks ouside AS */
|
|
u_short ig_sum; /* checksum of IGRP header & data */
|
|
};
|
|
|
|
#define IGRP_UPDATE 1
|
|
#define IGRP_REQUEST 2
|
|
|
|
/* IGRP routing entry */
|
|
|
|
struct igrprte {
|
|
u_char igr_net[3]; /* 3 significant octets of IP address */
|
|
u_char igr_dly[3]; /* delay in tens of microseconds */
|
|
u_char igr_bw[3]; /* bandwidth in units of 1 kb/s */
|
|
u_char igr_mtu[2]; /* MTU in octets */
|
|
u_char igr_rel; /* percent packets successfully tx/rx */
|
|
u_char igr_ld; /* percent of channel occupied */
|
|
u_char igr_hct; /* hop count */
|
|
};
|
|
|
|
#define IGRP_RTE_SIZE 14 /* don't believe sizeof ! */
|