int
ether_encap_print(u_short ethertype, const u_char *p,
u_int length, u_int caplen)
{
extracted_ethertype = ethertype;
switch (ethertype) {
case ETHERTYPE_IP:
ip_print(p, length);
return (1);
case ETHERTYPE_ARP:
case ETHERTYPE_REVARP:
arp_print(p, length, caplen);
return (1);
case ETHERTYPE_DN:
decnet_print(p, length, caplen);
return (1);
case ETHERTYPE_ATALK:
if (vflag)
fputs("et1 ", stdout);
atalk_print(p, length);
return (1);
case ETHERTYPE_AARP:
aarp_print(p, length);
return (1);
case ETHERTYPE_LAT:
case ETHERTYPE_SCA:
case ETHERTYPE_MOPRC:
case ETHERTYPE_MOPDL:
/* default_print for now */
default:
return (0);
}
}
/*
* This is the top level routine of the printer. 'p' is the points
* to the LLC/SNAP header of the packet, 'tvp' is the timestamp,
* 'length' is the length of the packet off the wire, and 'caplen'
* is the number of bytes actually captured.
*/
void
atm_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
{
u_int caplen = h->caplen;
u_int length = h->len;
u_short ethertype;
ts_print(&h->ts);
if (caplen < 8) {
printf("[|atm]");
goto out;
}
if (p[0] != 0xaa || p[1] != 0xaa || p[2] != 0x03) {
/*XXX assume 802.6 MAC header from fore driver */
if (eflag)
printf("%04x%04x %04x%04x ",
p[0] << 24 | p[1] << 16 | p[2] << 8 | p[3],
p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7],
p[8] << 24 | p[9] << 16 | p[10] << 8 | p[11],
p[12] << 24 | p[13] << 16 | p[14] << 8 | p[15]);
p += 20;
length -= 20;
caplen -= 20;
}
ethertype = p[6] << 8 | p[7];
if (eflag)
printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
p[0], p[1], p[2], /* dsap/ssap/ctrl */
p[3], p[4], p[5], /* manufacturer's code */
ethertype);
/*
* Some printers want to get back at the ethernet addresses,
* and/or check that they're not walking off the end of the packet.
* Rather than pass them all the way down, we set these globals.
*/
packetp = p;
snapend = p + caplen;
length -= 8;
caplen -= 8;
p += 8;
switch (ethertype) {
case ETHERTYPE_IP:
ip_print(p, length);
break;
#ifdef INET6
case ETHERTYPE_IPV6:
ip6_print(p, length);
break;
#endif /*INET6*/
/*XXX this probably isn't right */
case ETHERTYPE_ARP:
case ETHERTYPE_REVARP:
arp_print(p, length, caplen);
break;
#ifdef notyet
case ETHERTYPE_DN:
decnet_print(p, length, caplen);
break;
case ETHERTYPE_ATALK:
if (vflag)
fputs("et1 ", stdout);
atalk_print(p, length);
break;
case ETHERTYPE_AARP:
aarp_print(p, length);
break;
case ETHERTYPE_LAT:
case ETHERTYPE_MOPRC:
case ETHERTYPE_MOPDL:
/* default_print for now */
#endif
default:
/* ether_type not known, print raw packet */
if (!eflag)
printf("%02x %02x %02x %02x-%02x-%02x %04x: ",
p[0], p[1], p[2], /* dsap/ssap/ctrl */
p[3], p[4], p[5], /* manufacturer's code */
ethertype);
if (!xflag && !qflag)
default_print(p, caplen);
}
if (xflag)
default_print(p, caplen);
out:
putchar('\n');
}
int
ethertype_print(netdissect_options *ndo,
u_short ether_type, const u_char *p,
u_int length, u_int caplen)
{
switch (ether_type) {
case ETHERTYPE_IP:
ip_print(ndo, p, length);
return (1);
case ETHERTYPE_IPV6:
ip6_print(ndo, p, length);
return (1);
case ETHERTYPE_ARP:
case ETHERTYPE_REVARP:
arp_print(ndo, p, length, caplen);
return (1);
case ETHERTYPE_DN:
decnet_print(ndo, p, length, caplen);
return (1);
case ETHERTYPE_ATALK:
if (ndo->ndo_vflag)
ND_PRINT((ndo, "et1 "));
atalk_print(ndo, p, length);
return (1);
case ETHERTYPE_AARP:
aarp_print(ndo, p, length);
return (1);
case ETHERTYPE_IPX:
ND_PRINT((ndo, "(NOV-ETHII) "));
ipx_print(ndo, p, length);
return (1);
case ETHERTYPE_ISO:
isoclns_print(ndo, p + 1, length - 1, length - 1);
return(1);
case ETHERTYPE_PPPOED:
case ETHERTYPE_PPPOES:
case ETHERTYPE_PPPOED2:
case ETHERTYPE_PPPOES2:
pppoe_print(ndo, p, length);
return (1);
case ETHERTYPE_EAPOL:
eap_print(ndo, p, length);
return (1);
case ETHERTYPE_RRCP:
rrcp_print(ndo, p - 14 , length + 14);
return (1);
case ETHERTYPE_PPP:
if (length) {
ND_PRINT((ndo, ": "));
ppp_print(ndo, p, length);
}
return (1);
case ETHERTYPE_MPCP:
mpcp_print(ndo, p, length);
return (1);
case ETHERTYPE_SLOW:
slow_print(ndo, p, length);
return (1);
case ETHERTYPE_CFM:
case ETHERTYPE_CFM_OLD:
cfm_print(ndo, p, length);
return (1);
case ETHERTYPE_LLDP:
lldp_print(ndo, p, length);
return (1);
case ETHERTYPE_LOOPBACK:
loopback_print(ndo, p, length);
return (1);
case ETHERTYPE_MPLS:
case ETHERTYPE_MPLS_MULTI:
mpls_print(ndo, p, length);
return (1);
case ETHERTYPE_TIPC:
tipc_print(ndo, p, length, caplen);
return (1);
case ETHERTYPE_MS_NLB_HB:
msnlb_print(ndo, p);
return (1);
case ETHERTYPE_GEONET_OLD:
case ETHERTYPE_GEONET:
geonet_print(ndo, p-14, p, length);
return (1);
case ETHERTYPE_CALM_FAST:
calm_fast_print(ndo, p-14, p, length);
return (1);
case ETHERTYPE_AOE:
aoe_print(ndo, p, length);
return (1);
case ETHERTYPE_LAT:
case ETHERTYPE_SCA:
case ETHERTYPE_MOPRC:
case ETHERTYPE_MOPDL:
case ETHERTYPE_IEEE1905_1:
/* default_print for now */
default:
return (0);
}
}