#include "config.h"
#endif
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
#include "netdissect.h"
-#include "extract.h" /* must come after interface.h */
+#include "extract.h"
/* Cisco IGRP definitions */
/* IGRP Header */
struct igrphdr {
- u_int8_t ig_vop; /* protocol version number / opcode */
+ uint8_t ig_vop; /* protocol version number / opcode */
#define IGRP_V(x) (((x) & 0xf0) >> 4)
#define IGRP_OP(x) ((x) & 0x0f)
- u_int8_t ig_ed; /* edition number */
- u_int16_t ig_as; /* autonomous system number */
- u_int16_t ig_ni; /* number of subnet in local net */
- u_int16_t ig_ns; /* number of networks in AS */
- u_int16_t ig_nx; /* number of networks ouside AS */
- u_int16_t ig_sum; /* checksum of IGRP header & data */
+ uint8_t ig_ed; /* edition number */
+ uint16_t ig_as; /* autonomous system number */
+ uint16_t ig_ni; /* number of subnet in local net */
+ uint16_t ig_ns; /* number of networks in AS */
+ uint16_t ig_nx; /* number of networks ouside AS */
+ uint16_t ig_sum; /* checksum of IGRP header & data */
};
#define IGRP_UPDATE 1
/* IGRP routing entry */
struct igrprte {
- u_int8_t igr_net[3]; /* 3 significant octets of IP address */
- u_int8_t igr_dly[3]; /* delay in tens of microseconds */
- u_int8_t igr_bw[3]; /* bandwidth in units of 1 kb/s */
- u_int8_t igr_mtu[2]; /* MTU in octets */
- u_int8_t igr_rel; /* percent packets successfully tx/rx */
- u_int8_t igr_ld; /* percent of channel occupied */
- u_int8_t igr_hct; /* hop count */
+ uint8_t igr_net[3]; /* 3 significant octets of IP address */
+ uint8_t igr_dly[3]; /* delay in tens of microseconds */
+ uint8_t igr_bw[3]; /* bandwidth in units of 1 kb/s */
+ uint8_t igr_mtu[2]; /* MTU in octets */
+ uint8_t igr_rel; /* percent packets successfully tx/rx */
+ uint8_t igr_ld; /* percent of channel occupied */
+ uint8_t igr_hct; /* hop count */
};
#define IGRP_RTE_SIZE 14 /* don't believe sizeof ! */
static void
-igrp_entry_print(netdissect_options *ndo, register struct igrprte *igr,
+igrp_entry_print(netdissect_options *ndo, register const struct igrprte *igr,
register int is_interior, register int is_exterior)
{
register u_int delay, bandwidth;
void
igrp_print(netdissect_options *ndo, register const u_char *bp, u_int length)
{
- register struct igrphdr *hdr;
- register u_char *cp;
+ register const struct igrphdr *hdr;
+ register const u_char *cp;
u_int nint, nsys, next;
- hdr = (struct igrphdr *)bp;
- cp = (u_char *)(hdr + 1);
+ hdr = (const struct igrphdr *)bp;
+ cp = (const u_char *)(hdr + 1);
ND_PRINT((ndo, "igrp:"));
/* Header */
while (length >= IGRP_RTE_SIZE) {
if (nint > 0) {
ND_TCHECK2(*cp, IGRP_RTE_SIZE);
- igrp_entry_print(ndo, (struct igrprte *)cp, 1, 0);
+ igrp_entry_print(ndo, (const struct igrprte *)cp, 1, 0);
--nint;
} else if (nsys > 0) {
ND_TCHECK2(*cp, IGRP_RTE_SIZE);
- igrp_entry_print(ndo, (struct igrprte *)cp, 0, 0);
+ igrp_entry_print(ndo, (const struct igrprte *)cp, 0, 0);
--nsys;
} else if (next > 0) {
ND_TCHECK2(*cp, IGRP_RTE_SIZE);
- igrp_entry_print(ndo, (struct igrprte *)cp, 0, 1);
+ igrp_entry_print(ndo, (const struct igrprte *)cp, 0, 1);
--next;
} else {
ND_PRINT((ndo, " [extra bytes %d]", length));