mirror of
https://github.com/the-tcpdump-group/tcpdump.git
synced 2024-11-27 03:53:53 +08:00
rework of the EXT-IS reach and EXT-IP reach subTLV decoders for
easier extensions;
This commit is contained in:
hannes
parent
37cba74a72
commit
ebdd8220c7
173
print-isoclns.c
173
print-isoclns.c
@ -26,7 +26,7 @@
|
||||
|
||||
#ifndef lint
|
||||
static const char rcsid[] =
|
||||
"@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.90 2003-07-01 08:34:30 guy Exp $ (LBL)";
|
||||
"@(#) $Header: /tcpdump/master/tcpdump/print-isoclns.c,v 1.91 2003-07-19 08:54:28 hannes Exp $ (LBL)";
|
||||
#endif
|
||||
|
||||
#ifdef HAVE_CONFIG_H
|
||||
@ -193,9 +193,36 @@ static struct tok isis_tlv_values[] = {
|
||||
#define SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE 20
|
||||
#define SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR 21
|
||||
|
||||
static struct tok isis_ext_is_reach_subtlv_values[] = {
|
||||
{ SUBTLV_EXT_IS_REACH_ADMIN_GROUP, "Administrative groups" },
|
||||
{ SUBTLV_EXT_IS_REACH_LINK_LOCAL_ID, "Link Local Identifier" },
|
||||
{ SUBTLV_EXT_IS_REACH_LINK_REMOTE_ID, "Link Remote Identifier" },
|
||||
{ SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR, "IPv4 interface address" },
|
||||
{ SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR, "IPv4 neighbor address" },
|
||||
{ SUBTLV_EXT_IS_REACH_MAX_LINK_BW, "Maximum link bandwidth" },
|
||||
{ SUBTLV_EXT_IS_REACH_RESERVABLE_BW, "Reservable link bandwidth" },
|
||||
{ SUBTLV_EXT_IS_REACH_UNRESERVED_BW, "Unreserved bandwidth" },
|
||||
{ SUBTLV_EXT_IS_REACH_TE_METRIC, "Traffic Engineering Metric" },
|
||||
{ SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE, "Link Protection Type" },
|
||||
{ SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR, "Interface Switching Capability" },
|
||||
{ 250, "Reserved for cisco specific extensions" },
|
||||
{ 251, "Reserved for cisco specific extensions" },
|
||||
{ 252, "Reserved for cisco specific extensions" },
|
||||
{ 253, "Reserved for cisco specific extensions" },
|
||||
{ 254, "Reserved for cisco specific extensions" },
|
||||
{ 255, "Reserved for future expansion" },
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
#define SUBTLV_IP_REACH_ADMIN_TAG32 1
|
||||
#define SUBTLV_IP_REACH_ADMIN_TAG64 2
|
||||
|
||||
static struct tok isis_ext_ip_reach_subtlv_values[] = {
|
||||
{ SUBTLV_IP_REACH_ADMIN_TAG32, "32-Bit Administrative tag" },
|
||||
{ SUBTLV_IP_REACH_ADMIN_TAG64, "64-Bit Administrative tag" },
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
#define SUBTLV_AUTH_SIMPLE 1
|
||||
#define SUBTLV_AUTH_MD5 54
|
||||
#define SUBTLV_AUTH_MD5_LEN 16
|
||||
@ -774,13 +801,22 @@ isis_print_tlv_ip_reach (const u_int8_t *cp, const char *ident, int length)
|
||||
static int
|
||||
isis_print_ip_reach_subtlv (const u_int8_t *tptr,int subt,int subl,const char *ident) {
|
||||
|
||||
/* first lets see if we know the subTLVs name*/
|
||||
printf("%s%s (subTLV #%u), length: %u",
|
||||
ident,
|
||||
tok2str(isis_ext_ip_reach_subtlv_values,
|
||||
"unknown",
|
||||
subt),
|
||||
subt,
|
||||
subl);
|
||||
|
||||
if (!TTEST2(*tptr,subl))
|
||||
goto trunctlv;
|
||||
|
||||
switch(subt) {
|
||||
case SUBTLV_IP_REACH_ADMIN_TAG32:
|
||||
while (subl >= 4) {
|
||||
if (!TTEST2(*tptr,4))
|
||||
goto trunctlv;
|
||||
printf("%s32-Bit Administrative tag: 0x%08x (=%u)",
|
||||
ident,
|
||||
printf(", 0x%08x (=%u)",
|
||||
EXTRACT_32BITS(tptr),
|
||||
EXTRACT_32BITS(tptr));
|
||||
tptr+=4;
|
||||
@ -789,10 +825,7 @@ isis_print_ip_reach_subtlv (const u_int8_t *tptr,int subt,int subl,const char *i
|
||||
break;
|
||||
case SUBTLV_IP_REACH_ADMIN_TAG64:
|
||||
while (subl >= 8) {
|
||||
if (!TTEST2(*tptr,8))
|
||||
goto trunctlv;
|
||||
printf("%s64-Bit Administrative tag: 0x%08x%08x",
|
||||
ident,
|
||||
printf(", 0x%08x%08x",
|
||||
EXTRACT_32BITS(tptr),
|
||||
EXTRACT_32BITS(tptr+4));
|
||||
tptr+=8;
|
||||
@ -800,10 +833,6 @@ isis_print_ip_reach_subtlv (const u_int8_t *tptr,int subt,int subl,const char *i
|
||||
}
|
||||
break;
|
||||
default:
|
||||
printf("%sunknown subTLV, type %d, length %d",
|
||||
ident,
|
||||
subt,
|
||||
subl);
|
||||
if(!print_unknown_data(tptr,"\n\t\t ",
|
||||
subl))
|
||||
return(0);
|
||||
@ -830,49 +859,35 @@ isis_print_is_reach_subtlv (const u_int8_t *tptr,int subt,int subl,const char *i
|
||||
u_int32_t i;
|
||||
} bw;
|
||||
|
||||
/* first lets see if we know the subTLVs name*/
|
||||
printf("%s%s (subTLV #%u), length: %u",
|
||||
ident,
|
||||
tok2str(isis_ext_is_reach_subtlv_values,
|
||||
"unknown",
|
||||
subt),
|
||||
subt,
|
||||
subl);
|
||||
|
||||
if (!TTEST2(*tptr,subl))
|
||||
goto trunctlv;
|
||||
|
||||
switch(subt) {
|
||||
case SUBTLV_EXT_IS_REACH_ADMIN_GROUP:
|
||||
if (!TTEST2(*tptr,4))
|
||||
goto trunctlv;
|
||||
printf("%sAdministrative groups: 0x%08x",
|
||||
ident,
|
||||
EXTRACT_32BITS(tptr));
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_ADMIN_GROUP:
|
||||
case SUBTLV_EXT_IS_REACH_LINK_LOCAL_ID:
|
||||
if (!TTEST2(*tptr,4))
|
||||
goto trunctlv;
|
||||
printf("%sLink Local Identifier: 0x%08x",
|
||||
ident,
|
||||
EXTRACT_32BITS(tptr));
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_LINK_REMOTE_ID:
|
||||
if (!TTEST2(*tptr,4))
|
||||
goto trunctlv;
|
||||
printf("%sLink Remote Identifier: 0x%08x",
|
||||
ident,
|
||||
EXTRACT_32BITS(tptr));
|
||||
printf(", 0x%08x", EXTRACT_32BITS(tptr));
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR:
|
||||
case SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR:
|
||||
printf(", %s", ipaddr_string(tptr));
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_MAX_LINK_BW :
|
||||
if (!TTEST2(*tptr,4))
|
||||
goto trunctlv;
|
||||
case SUBTLV_EXT_IS_REACH_RESERVABLE_BW:
|
||||
bw.i = EXTRACT_32BITS(tptr);
|
||||
printf("%sMaximum link bandwidth : %.3f Mbps",
|
||||
ident,
|
||||
bw.f*8/1000000 );
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_RESERVABLE_BW :
|
||||
if (!TTEST2(*tptr,4))
|
||||
goto trunctlv;
|
||||
bw.i = EXTRACT_32BITS(tptr);
|
||||
printf("%sReservable link bandwidth: %.3f Mbps",
|
||||
ident,
|
||||
bw.f*8/1000000 );
|
||||
printf(", %.3f Mbps", bw.f*8/1000000 );
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_UNRESERVED_BW :
|
||||
printf("%sUnreserved bandwidth:",ident);
|
||||
for (i = 0; i < 8; i++) {
|
||||
if (!TTEST2(*(tptr+i*4),4))
|
||||
goto trunctlv;
|
||||
bw.i = EXTRACT_32BITS(tptr);
|
||||
printf("%s priority level %d: %.3f Mbps",
|
||||
ident,
|
||||
@ -881,55 +896,21 @@ isis_print_is_reach_subtlv (const u_int8_t *tptr,int subt,int subl,const char *i
|
||||
}
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_TE_METRIC:
|
||||
if (!TTEST2(*tptr,3))
|
||||
goto trunctlv;
|
||||
printf("%sTraffic Engineering Metric: %d",
|
||||
ident,
|
||||
EXTRACT_24BITS(tptr));
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_IPV4_INTF_ADDR:
|
||||
if (!TTEST2(*tptr,4))
|
||||
goto trunctlv;
|
||||
printf("%sIPv4 interface address: %s",
|
||||
ident,
|
||||
ipaddr_string(tptr));
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_IPV4_NEIGHBOR_ADDR:
|
||||
if (!TTEST2(*tptr,4))
|
||||
goto trunctlv;
|
||||
printf("%sIPv4 neighbor address: %s",
|
||||
ident,
|
||||
ipaddr_string(tptr));
|
||||
printf(", %u", EXTRACT_24BITS(tptr));
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_LINK_PROTECTION_TYPE:
|
||||
if (!TTEST2(*tptr,2))
|
||||
goto trunctlv;
|
||||
printf("%sLink Protection Type: %s, Priority %u",
|
||||
ident,
|
||||
bittok2str(gmpls_link_prot_values, "none", *tptr),
|
||||
printf(", %s, Priority %u",
|
||||
bittok2str(gmpls_link_prot_values, "none", *tptr),
|
||||
*(tptr+1));
|
||||
break;
|
||||
case SUBTLV_EXT_IS_REACH_INTF_SW_CAP_DESCR:
|
||||
printf("%sInterface Switching Capability",ident);
|
||||
|
||||
if (!TTEST2(*tptr,1))
|
||||
goto trunctlv;
|
||||
printf("%s Interface Switching Capability:%s",
|
||||
ident,
|
||||
tok2str(gmpls_switch_cap_values, "Unknown", *(tptr)));
|
||||
|
||||
if (!TTEST2(*(tptr+1),1))
|
||||
goto trunctlv;
|
||||
printf(", LSP Encoding: %s",
|
||||
tok2str(gmpls_encoding_values, "Unknown", *(tptr+1)));
|
||||
|
||||
if (!TTEST2(*(tptr+2),2)) /* skip 2 res. bytes */
|
||||
goto trunctlv;
|
||||
|
||||
printf("%s Max LSP Bandwidth:",ident);
|
||||
for (i = 0; i < 8; i++) {
|
||||
if (!TTEST2(*(tptr+(i*4)+4),4))
|
||||
goto trunctlv;
|
||||
bw.i = EXTRACT_32BITS(tptr);
|
||||
printf("%s priority level %d: %.3f Mbps",
|
||||
ident,
|
||||
@ -941,33 +922,13 @@ isis_print_is_reach_subtlv (const u_int8_t *tptr,int subt,int subl,const char *i
|
||||
not specified so just lets hexdump what is left */
|
||||
if(subl>0){
|
||||
if(!print_unknown_data(tptr,"\n\t\t ",
|
||||
subl-36))
|
||||
subl-36))
|
||||
return(0);
|
||||
}
|
||||
break;
|
||||
case 250:
|
||||
case 251:
|
||||
case 252:
|
||||
case 253:
|
||||
case 254:
|
||||
printf("%sReserved for cisco specific extensions, type %d, length %d",
|
||||
ident,
|
||||
subt,
|
||||
subl);
|
||||
break;
|
||||
case 255:
|
||||
printf("%sReserved for future expansion, type %d, length %d",
|
||||
ident,
|
||||
subt,
|
||||
subl);
|
||||
break;
|
||||
default:
|
||||
printf("%sunknown subTLV, type %d, length %d",
|
||||
ident,
|
||||
subt,
|
||||
subl);
|
||||
if(!print_unknown_data(tptr,"\n\t\t ",
|
||||
subl))
|
||||
subl))
|
||||
return(0);
|
||||
break;
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user