/*
* This is the top level routine of the printer. 'p' points
* to the SunATM pseudo-header for the packet, 'h->ts' is the timestamp,
* 'h->len' is the length of the packet off the wire, and 'h->caplen'
* is the number of bytes actually captured.
*/
u_int
sunatm_if_print(const struct pcap_pkthdr *h, const u_char *p)
{
u_int caplen = h->caplen;
u_int length = h->len;
u_short vci;
u_char vpi;
u_int traftype;
if (caplen < PKT_BEGIN_POS) {
printf("[|atm]");
return (caplen);
}
if (eflag) {
if (p[DIR_POS] & 0x80)
printf("Tx: ");
else
printf("Rx: ");
}
switch (p[DIR_POS] & 0x0f) {
case PT_LANE:
traftype = ATM_LANE;
break;
case PT_LLC:
traftype = ATM_LLC;
break;
default:
traftype = ATM_UNKNOWN;
break;
}
vci = EXTRACT_16BITS(&p[VCI_POS]);
vpi = p[VPI_POS];
p += PKT_BEGIN_POS;
caplen -= PKT_BEGIN_POS;
length -= PKT_BEGIN_POS;
atm_print(vpi, vci, traftype, p, length, caplen);
return (PKT_BEGIN_POS);
}
/*
* This is the top level routine of the printer. 'p' points
* to the SunATM pseudo-header for the packet, 'h->ts' is the timestamp,
* 'h->len' is the length of the packet off the wire, and 'h->caplen'
* is the number of bytes actually captured.
*/
u_int
sunatm_if_print(netdissect_options *ndo,
const struct pcap_pkthdr *h, const u_char *p)
{
u_int caplen = h->caplen;
u_int length = h->len;
u_short vci;
u_char vpi;
u_int traftype;
if (caplen < PKT_BEGIN_POS) {
ND_PRINT((ndo, "[|atm]"));
return (caplen);
}
if (ndo->ndo_eflag) {
ND_PRINT((ndo, p[DIR_POS] & 0x80 ? "Tx: " : "Rx: "));
}
switch (p[DIR_POS] & 0x0f) {
case PT_LANE:
traftype = ATM_LANE;
break;
case PT_LLC:
traftype = ATM_LLC;
break;
default:
traftype = ATM_UNKNOWN;
break;
}
vci = EXTRACT_16BITS(&p[VCI_POS]);
vpi = p[VPI_POS];
p += PKT_BEGIN_POS;
caplen -= PKT_BEGIN_POS;
length -= PKT_BEGIN_POS;
atm_print(ndo, vpi, vci, traftype, p, length, caplen);
return (PKT_BEGIN_POS);
}
