blob: cf4c1a44264f77493a9afa1a1d6f5156aa5c20c8 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
/* Cisco IGRP definitions */
/* IGRP Header */
struct igrphdr {
#if BYTE_ORDER == LITTLE_ENDIAN
u_char ig_op:4; /* opcode */
u_char ig_v:4; /* protocol version number */
#else
u_char ig_v:4; /* protocol version number */
u_char ig_op:4; /* opcode */
#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 ! */
|
