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Support for the IS-IS restart signaling TLV #211, from Hannes Gredler

Browse Source 
<hannes@juniper.net>.
This commit is contained in:
guy 2001-12-09 03:43:22 +00:00
parent ff83f3d261
commit 4289270cdb
1 changed files with 25 additions and 4 deletions
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29
print-isoclns.c
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@ -26,7 +26,7 @@
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.32 2001-12-03 09:17:07 guy Exp $ (LBL)";
"@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.33 2001-12-09 03:43:22 guy Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
@ -100,6 +100,7 @@ static const char rcsid[] =
#define TLV_TE_ROUTER_ID 134
#define TLV_EXT_IP_REACH 135
#define TLV_HOSTNAME 137
#define TLV_RESTART_SIGNALING 211
#define TLV_MT_IS_REACH 222
#define TLV_MT_SUPPORTED 229
#define TLV_IP6ADDR 232
@ -136,6 +137,9 @@ static const char rcsid[] =
#define ISIS_MASK_TLV_IP6_IE(x) ((x)&0x40)
#define ISIS_MASK_TLV_IP6_SUBTLV(x) ((x)&0x20)
#define ISIS_MASK_RESTART_RR(x) ((x)&0x1)
#define ISIS_MASK_RESTART_RA(x) ((x)&0x2)
#define ISIS_LSP_TLV_METRIC_SUPPORTED(x) ((x)&0x80)
#define ISIS_LSP_TLV_METRIC_IE(x) ((x)&0x40)
#define ISIS_LSP_TLV_METRIC_UPDOWN(x) ((x)&0x80)
@ -1461,6 +1465,19 @@ static int isis_print (const u_char *p, u_int length)
}
break;
case TLV_RESTART_SIGNALING:
tptr=pptr;
printf("Restart Signaling (%u)",len);
if (!TTEST2(*tptr, 3))
goto trunctlv;
printf("\n\t\t\tRestart Request bit %s, Restart Acknowledgement bit %s\n\t\t\tRemaining holding time: %us",
ISIS_MASK_RESTART_RR(*tptr) ? "set" : "clear",
ISIS_MASK_RESTART_RA(*tptr++) ? "set" : "clear",
EXTRACT_16BITS(tptr));
break;
default:
printf("unknown TLV, type %d, length %d\n\t\t\t", type, len);
tptr=pptr;
@ -1468,10 +1485,14 @@ static int isis_print (const u_char *p, u_int length)
for(i=0;i<len;i++) {
if (!TTEST2(*(tptr+i), 1))
goto trunctlv;
printf("%02x",*(tptr+i));
if (i/2!=(i+1)/2)
printf("%02x",*(tptr+i)); /* formatted hex output of unknown TLV data */
if (i%2)
printf(" ");
}
if (i/16!=(i+1)/16) {
if (i<(len-1))
printf("\n\t\t\t");
}
}
break;
}