* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-atm.c,v 1.47 2006-02-08 16:50:16 hannes Exp $ (LBL)";
-#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#include "ether.h"
+static const char tstr[] = "[|atm]";
+
#define OAM_CRC10_MASK 0x3ff
#define OAM_PAYLOAD_LEN 48
#define OAM_FUNCTION_SPECIFIC_LEN 45 /* this excludes crc10 and cell-type/function-type */
#define OAM_CELLTYPE_FUNCTYPE_LEN 1
-struct tok oam_f_values[] = {
- { OAMF4SC, "OAM F4 (segment)" },
- { OAMF4EC, "OAM F4 (end)" },
+static const struct tok oam_f_values[] = {
+ { VCI_OAMF4SC, "OAM F4 (segment)" },
+ { VCI_OAMF4EC, "OAM F4 (end)" },
{ 0, NULL }
};
-struct tok atm_pty_values[] = {
+static const struct tok atm_pty_values[] = {
{ 0x0, "user data, uncongested, SDU 0" },
{ 0x1, "user data, uncongested, SDU 1" },
{ 0x2, "user data, congested, SDU 0" },
#define OAM_CELLTYPE_AD 0x8
#define OAM_CELLTYPE_SM 0xf
-struct tok oam_celltype_values[] = {
+static const struct tok oam_celltype_values[] = {
{ OAM_CELLTYPE_FM, "Fault Management" },
{ OAM_CELLTYPE_PM, "Performance Management" },
{ OAM_CELLTYPE_AD, "activate/deactivate" },
#define OAM_FM_FUNCTYPE_CONTCHECK 0x4
#define OAM_FM_FUNCTYPE_LOOPBACK 0x8
-struct tok oam_fm_functype_values[] = {
+static const struct tok oam_fm_functype_values[] = {
{ OAM_FM_FUNCTYPE_AIS, "AIS" },
{ OAM_FM_FUNCTYPE_RDI, "RDI" },
{ OAM_FM_FUNCTYPE_CONTCHECK, "Continuity Check" },
{ 0, NULL }
};
-struct tok oam_pm_functype_values[] = {
+static const struct tok oam_pm_functype_values[] = {
{ 0x0, "Forward Monitoring" },
{ 0x1, "Backward Reporting" },
{ 0x2, "Monitoring and Reporting" },
{ 0, NULL }
};
-struct tok oam_ad_functype_values[] = {
+static const struct tok oam_ad_functype_values[] = {
{ 0x0, "Performance Monitoring" },
{ 0x1, "Continuity Check" },
{ 0, NULL }
#define OAM_FM_LOOPBACK_INDICATOR_MASK 0x1
-struct tok oam_fm_loopback_indicator_values[] = {
+static const struct tok oam_fm_loopback_indicator_values[] = {
{ 0x0, "Reply" },
{ 0x1, "Request" },
{ 0, NULL }
u_int hdrlen = 0;
if (caplen < 8) {
- printf("[|atm]");
+ printf("%s", tstr);
return (caplen);
}
/*
* ATM signalling.
*/
-static struct tok msgtype2str[] = {
+static const struct tok msgtype2str[] = {
{ CALL_PROCEED, "Call_proceeding" },
{ CONNECT, "Connect" },
{ CONNECT_ACK, "Connect_ack" },
bpf_u_int32 call_ref;
if (caplen < PROTO_POS) {
- printf("[|atm]");
+ printf("%s", tstr);
return;
}
if (p[PROTO_POS] == Q2931) {
/*
- * protocol:Q.2931 for User to Network Interface
+ * protocol:Q.2931 for User to Network Interface
* (UNI 3.1) signalling
*/
printf("Q.2931");
if (caplen < MSG_TYPE_POS) {
- printf(" [|atm]");
+ printf(" %s", tstr);
return;
}
printf(":%s ",
tok2str(msgtype2str, "msgtype#%d", p[MSG_TYPE_POS]));
- if (caplen < CALL_REF_POS+3) {
- printf("[|atm]");
- return;
- }
+ /*
+ * The call reference comes before the message type,
+ * so if we know we have the message type, which we
+ * do from the caplen test above, we also know we have
+ * the call reference.
+ */
call_ref = EXTRACT_24BITS(&p[CALL_REF_POS]);
printf("CALL_REF:0x%06x", call_ref);
} else {
if (vpi == 0) {
switch (vci) {
- case PPC:
+ case VCI_PPC:
sig_print(p, caplen);
return;
- case BCC:
+ case VCI_BCC:
printf("broadcast sig: ");
return;
- case OAMF4SC: /* fall through */
- case OAMF4EC:
+ case VCI_OAMF4SC: /* fall through */
+ case VCI_OAMF4EC:
oam_print(p, length, ATM_OAM_HEC);
return;
- case METAC:
+ case VCI_METAC:
printf("meta: ");
return;
- case ILMIC:
+ case VCI_ILMIC:
printf("ilmi: ");
snmp_print(p, length);
return;
u_int8_t unused[28];
};
-
-#define CRC10_POLYNOMIAL 0x633
-static u_int16_t crc10_table[256];
-
-static void
-gen_crc10_table(void)
-{
- register int i, j;
- register u_int16_t accum;
-
- for ( i = 0; i < 256; i++ )
- {
- accum = ((unsigned short) i << 2);
- for ( j = 0; j < 8; j++ )
- {
- if ((accum <<= 1) & 0x400) accum ^= CRC10_POLYNOMIAL;
- }
- crc10_table[i] = accum;
- }
- return;
-}
-
-static u_int16_t
-verify_crc10_cksum(u_int16_t accum, const u_char *p, int length)
-{
- register int i;
-
- for ( i = 0; i < length; i++ )
- {
- accum = ((accum << 8) & 0x3ff)
- ^ crc10_table[( accum >> 2) & 0xff]
- ^ *p++;
- }
- return accum;
-}
-
-int
+int
oam_print (const u_char *p, u_int length, u_int hec) {
u_int32_t cell_header;
tok2str(oam_fm_loopback_indicator_values,
"Unknown",
oam_ptr.oam_fm_loopback->loopback_indicator & OAM_FM_LOOPBACK_INDICATOR_MASK),
- EXTRACT_LE_32BITS(&oam_ptr.oam_fm_loopback->correlation_tag));
+ EXTRACT_32BITS(&oam_ptr.oam_fm_loopback->correlation_tag));
printf("\n\tLocation-ID ");
for (idx = 0; idx < sizeof(oam_ptr.oam_fm_loopback->loopback_id); idx++) {
if (idx % 2) {
break;
case (OAM_CELLTYPE_FM << 4 | OAM_FM_FUNCTYPE_CONTCHECK):
+ /* FIXME */
break;
default:
}
/* crc10 checksum verification */
- gen_crc10_table();
cksum = EXTRACT_16BITS(p + OAM_CELLTYPE_FUNCTYPE_LEN + OAM_FUNCTION_SPECIFIC_LEN)
& OAM_CRC10_MASK;
cksum_shouldbe = verify_crc10_cksum(0, p, OAM_PAYLOAD_LEN);
-
+
printf("\n\tcksum 0x%03x (%scorrect)",
cksum,
cksum_shouldbe == 0 ? "" : "in");
projects / tcpdump / blobdiff