2 * Routines for decoding Lucent/Ascend packet traces
4 * $Id: packet-ascend.c,v 1.8 1999/11/16 11:42:25 guy Exp $
6 * Ethereal - Network traffic analyzer
7 * By Gerald Combs <gerald@zing.org>
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version 2
12 * of the License, or (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
28 #ifdef HAVE_SYS_TYPES_H
29 # include <sys/types.h>
36 static int proto_ascend = -1;
37 static int hf_link_type = -1;
38 static int hf_session_id = -1;
39 static int hf_called_number = -1;
40 static int hf_chunk = -1;
41 static int hf_task = -1;
42 static int hf_user_name = -1;
44 static gint ett_raw = -1;
46 static const value_string encaps_vals[] = {
47 {ASCEND_PFX_WDS_X, "PPP Transmit"},
48 {ASCEND_PFX_WDS_R, "PPP Receive" },
49 {ASCEND_PFX_WDD, "Ethernet" },
53 dissect_ascend( const u_char *pd, frame_data *fd, proto_tree *tree ) {
57 /* load the top pane info. This should be overwritten by
58 the next protocol in the stack */
59 if(check_col(fd, COL_RES_DL_SRC))
60 col_add_str(fd, COL_RES_DL_SRC, "N/A" );
61 if(check_col(fd, COL_RES_DL_DST))
62 col_add_str(fd, COL_RES_DL_DST, "N/A" );
63 if(check_col(fd, COL_PROTOCOL))
64 col_add_str(fd, COL_PROTOCOL, "N/A" );
65 if(check_col(fd, COL_INFO))
66 col_add_str(fd, COL_INFO, "Lucent/Ascend packet trace" );
68 /* populate a tree in the second pane with the status of the link
71 ti = proto_tree_add_text(tree, 0, 0, "Lucent/Ascend packet trace" );
72 fh_tree = proto_item_add_subtree(ti, ett_raw);
73 proto_tree_add_item(fh_tree, hf_link_type, 0, 0,
74 fd->pseudo_header.ascend.type);
75 if (fd->pseudo_header.ascend.type == ASCEND_PFX_WDD) {
76 proto_tree_add_item(fh_tree, hf_called_number, 0, 0,
77 fd->pseudo_header.ascend.call_num);
78 proto_tree_add_item(fh_tree, hf_chunk, 0, 0,
79 fd->pseudo_header.ascend.chunk);
80 proto_tree_add_item_hidden(fh_tree, hf_session_id, 0, 0, 0);
81 } else { /* It's wandsession data */
82 proto_tree_add_item(fh_tree, hf_user_name, 0, 0,
83 fd->pseudo_header.ascend.user);
84 proto_tree_add_item(fh_tree, hf_session_id, 0, 0,
85 fd->pseudo_header.ascend.sess);
86 proto_tree_add_item_hidden(fh_tree, hf_chunk, 0, 0, 0);
88 proto_tree_add_item(fh_tree, hf_task, 0, 0, fd->pseudo_header.ascend.task);
91 switch (fd->pseudo_header.ascend.type) {
92 case ASCEND_PFX_WDS_X:
93 case ASCEND_PFX_WDS_R:
94 dissect_ppp(pd, fd, tree);
97 dissect_eth(pd, 0, fd, tree);
105 proto_register_ascend(void)
107 static hf_register_info hf[] = {
109 { "Link type", "ascend.type", FT_UINT32, BASE_DEC, VALS(encaps_vals), 0x0,
113 { "Session ID", "ascend.sess", FT_UINT32, BASE_DEC, NULL, 0x0,
117 { "Called number", "ascend.number", FT_STRING, BASE_NONE, NULL, 0x0,
121 { "WDD Chunk", "ascend.chunk", FT_UINT32, BASE_HEX, NULL, 0x0,
125 { "Task", "ascend.task", FT_UINT32, BASE_HEX, NULL, 0x0,
129 { "User name", "ascend.user", FT_STRING, BASE_NONE, NULL, 0x0,
132 static gint *ett[] = {
136 proto_ascend = proto_register_protocol("Lucent/Ascend debug output", "ascend");
137 proto_register_field_array(proto_ascend, hf, array_length(hf));
138 proto_register_subtree_array(ett, array_length(ett));