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/* ethertype.c
* Routines for calling the right protocol for the ethertype.
* This is called by both packet-eth.c (Ethernet II) and packet-llc.c (SNAP)
*
* $Id: ethertype.c,v 1.15 1999/06/22 22:02:11 gram Exp $
*
* Gilbert Ramirez <gram@verdict.uthscsa.edu>
*
* Ethereal - Network traffic analyzer
* By Gerald Combs <gerald@zing.org>
* Copyright 1998 Gerald Combs
*
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
#include <glib.h>
#include "packet.h"
#include "etypes.h"
gchar *
ethertype_to_str(guint16 etype, const char *fmt)
{
static const value_string etype_vals[] = {
{ETHERTYPE_IP, "IP" },
{ETHERTYPE_IPv6, "IPv6" },
{ETHERTYPE_ARP, "ARP" },
{ETHERTYPE_REVARP, "RARP" },
{ETHERTYPE_ATALK, "Appletalk" },
{ETHERTYPE_AARP, "AARP" },
{ETHERTYPE_IPX, "Netware IPX/SPX"},
{ETHERTYPE_VINES, "Vines" },
{ETHERTYPE_CDP, "CDP" }, /* Cisco Discovery Protocol */
{ETHERTYPE_TRAIN, "Netmon Train" },
{ETHERTYPE_LOOP, "Loopback" }, /* Ethernet Loopback */
{ETHERTYPE_PPPOED, "PPPoE Discovery"},
{ETHERTYPE_PPPOES, "PPPoE Session" },
{0, NULL } };
return val_to_str(etype, etype_vals, fmt);
}
void
capture_ethertype(guint16 etype, int offset,
const u_char *pd, guint32 cap_len, packet_counts *ld)
{
switch (etype) {
case ETHERTYPE_IP:
capture_ip(pd, offset, cap_len, ld);
break;
default:
ld->other++;
break;
}
}
void
ethertype(guint16 etype, int offset,
const u_char *pd, frame_data *fd, proto_tree *tree, proto_tree
*fh_tree)
{
if (tree) {
proto_tree_add_item(fh_tree, offset - 2, 2, "Type: %s (0x%04x)",
ethertype_to_str(etype, "Unknown"), etype);
}
switch (etype) {
case ETHERTYPE_IP:
dissect_ip(pd, offset, fd, tree);
break;
case ETHERTYPE_IPv6:
dissect_ipv6(pd, offset, fd, tree);
break;
case ETHERTYPE_ARP:
dissect_arp(pd, offset, fd, tree);
break;
case ETHERTYPE_REVARP:
dissect_arp(pd, offset, fd, tree);
break;
case ETHERTYPE_ATALK:
dissect_ddp(pd, offset, fd, tree);
break;
case ETHERTYPE_AARP:
dissect_aarp(pd, offset, fd, tree);
break;
case ETHERTYPE_IPX:
dissect_ipx(pd, offset, fd, tree);
break;
case ETHERTYPE_VINES:
dissect_vines(pd, offset, fd, tree);
break;
case ETHERTYPE_CDP:
dissect_cdp(pd, offset, fd, tree);
break;
case ETHERTYPE_LOOP:
dissect_data(pd, offset, fd, tree);
if (check_col(fd, COL_PROTOCOL)) { col_add_fstr(fd, COL_PROTOCOL, "LOOP"); }
break;
case ETHERTYPE_PPPOED:
dissect_pppoed(pd, offset, fd, tree);
break;
case ETHERTYPE_PPPOES:
dissect_pppoes(pd, offset, fd, tree);
break;
default:
dissect_data(pd, offset, fd, tree);
if (check_col(fd, COL_PROTOCOL)) { col_add_fstr(fd, COL_PROTOCOL, "0x%04x", etype); }
break;
}
}
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