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/* packet-qcdiag_msg.c
* Routines for Qualcomm DIAG MSG packet handling
*
* (C) 2016-2017 by Harald Welte <laforge@gnumonks.org>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "config.h"
#include <epan/packet.h>
#include "packet-qcdiag.h"
static int proto_qcdiag_msg = -1;
static int hf_qcdiag_msg_ts_type = -1;
static int hf_qcdiag_msg_num_args = -1;
static int hf_qcdiag_msg_drop_cnt = -1;
static int hf_qcdiag_msg_line_nr = -1;
static int hf_qcdiag_msg_subsys_id = -1;
static int hf_qcdiag_msg_subsys_mask = -1;
static int hf_qcdiag_msg_fmt_str = -1;
static int hf_qcdiag_msg_file_name = -1;
static int hf_qcdiag_msg_argument = -1;
static gint ett_qcdiag_msg = -1;
#define MAX_ARGS 16
static int
dissect_qcdiag_msg(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void * data _U_)
{
proto_item *ti;
proto_tree *diag_msg_tree;
gint offset = 1; /* command already dissected by proto-qcdiag.c */
guint num_args, line_nr, subsys_id, subsys_mask, i;
const guint8 *fmtstr, *file_name;
guint args[MAX_ARGS];
col_set_str(pinfo->cinfo, COL_PROTOCOL, "QCDIAG-MSG");
ti = proto_tree_add_item(tree, proto_qcdiag_msg, tvb, 0, -1, ENC_NA);
diag_msg_tree = proto_item_add_subtree(ti, ett_qcdiag_msg);
proto_tree_add_item(diag_msg_tree, hf_qcdiag_msg_ts_type, tvb, offset++, 1, ENC_NA);
proto_tree_add_item_ret_uint(diag_msg_tree, hf_qcdiag_msg_num_args, tvb, offset++, 1, ENC_NA, &num_args);
proto_tree_add_item(diag_msg_tree, hf_qcdiag_msg_drop_cnt, tvb, offset++, 1, ENC_NA);
/* timestamp */
offset += 8;
proto_tree_add_item_ret_uint(diag_msg_tree, hf_qcdiag_msg_line_nr, tvb, offset, 2, ENC_LITTLE_ENDIAN, &line_nr);
offset += 2;
proto_tree_add_item_ret_uint(diag_msg_tree, hf_qcdiag_msg_subsys_id, tvb, offset, 2, ENC_LITTLE_ENDIAN, &subsys_id);
offset += 2;
proto_tree_add_item_ret_uint(diag_msg_tree, hf_qcdiag_msg_subsys_mask, tvb, offset, 4, ENC_LITTLE_ENDIAN, &subsys_mask);
offset += 4;
/* Append all arguments */
for (i = 0; i < num_args; i++) {
if (i < MAX_ARGS)
proto_tree_add_item_ret_uint(diag_msg_tree, hf_qcdiag_msg_argument, tvb, offset, 4, ENC_LITTLE_ENDIAN, &args[i]);
else
proto_tree_add_item(diag_msg_tree, hf_qcdiag_msg_argument, tvb, offset, 4, ENC_LITTLE_ENDIAN);
offset += 4;
}
proto_tree_add_item_ret_string(diag_msg_tree, hf_qcdiag_msg_fmt_str, tvb, offset, -1, ENC_ASCII, wmem_packet_scope(), &fmtstr);
offset += tvb_strsize(tvb, offset);
proto_tree_add_item_ret_string(diag_msg_tree, hf_qcdiag_msg_file_name, tvb, offset, -1, ENC_ASCII, wmem_packet_scope(), &file_name);
offset += tvb_strsize(tvb, offset);
col_append_fstr(pinfo->cinfo, COL_INFO, "%s:%u ", file_name, line_nr);
switch (num_args) {
case 0:
col_append_str(pinfo->cinfo, COL_INFO, fmtstr);
break;
case 1:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0]);
break;
case 2:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1]);
break;
case 3:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2]);
break;
case 4:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3]);
break;
case 5:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4]);
break;
case 6:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5]);
break;
case 7:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6]);
break;
case 8:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7]);
break;
case 9:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
args[8]);
break;
case 10:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
args[8], args[9]);
break;
case 11:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
args[8], args[9], args[10]);
break;
case 12:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
args[8], args[9], args[10], args[11]);
break;
case 13:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
args[8], args[9], args[10], args[11], args[12]);
break;
case 14:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
args[8], args[9], args[10], args[11], args[12], args[13]);
break;
case 15:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
args[8], args[9], args[10], args[11], args[12], args[13], args[14]);
break;
case 16:
col_append_fstr(pinfo->cinfo, COL_INFO, fmtstr, args[0], args[1], args[2], args[3], args[4], args[5], args[6], args[7],
args[8], args[9], args[10], args[11], args[12], args[13], args[14], args[15]);
break;
}
return tvb_captured_length(tvb);
}
void
proto_register_qcdiag_msg(void)
{
static hf_register_info hf[] = {
{ &hf_qcdiag_msg_ts_type, { "Timestamp Type", "qcdiag_msg.ts_type",
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
{ &hf_qcdiag_msg_num_args, { "Number of Arguments", "qcdiag_msg.num_args",
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
{ &hf_qcdiag_msg_drop_cnt, { "Dropped message count", "qcdiag_msg.num_drop_cnt",
FT_UINT8, BASE_DEC, NULL, 0, NULL, HFILL } },
{ &hf_qcdiag_msg_line_nr, { "Line Number", "qcdiag_msg.line_nr",
FT_UINT16, BASE_DEC, NULL, 0, NULL, HFILL } },
{ &hf_qcdiag_msg_subsys_id, { "Subsystem ID", "qcdiag_msg.subsys_id",
FT_UINT16, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_qcdiag_msg_subsys_mask, { "Subsystem Mask", "qcdiag_msg.subsys_mask",
FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL } },
{ &hf_qcdiag_msg_fmt_str, { "Format String", "qcdiag_msg.fmt_str",
FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL } },
{ &hf_qcdiag_msg_file_name, { "File Name", "qcdiag_msg.fmt_str",
FT_STRINGZ, BASE_NONE, NULL, 0, NULL, HFILL } },
{ &hf_qcdiag_msg_argument, { "Argument", "qcdiag_msg.argument",
FT_UINT32, BASE_HEX, NULL, 0, NULL, HFILL } },
};
static gint *ett[] = {
&ett_qcdiag_msg
};
proto_qcdiag_msg = proto_register_protocol("Qualcomm DIAG Msg", "QCDIAG MSG", "qcdiag_msg");
proto_register_field_array(proto_qcdiag_msg, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
}
void
proto_reg_handoff_qcdiag_msg(void)
{
dissector_handle_t qcdiag_msg_handle;
qcdiag_msg_handle = create_dissector_handle(dissect_qcdiag_msg, proto_qcdiag_msg);
dissector_add_uint("qcdiag.cmd", DIAG_EXT_MSG_F, qcdiag_msg_handle);
}
/*
* Editor modelines - http://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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