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			WatchdogReport.c
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/*====================================================================*
 *
 *   Copyright (c) 2013 Qualcomm Atheros, Inc.
 *
 *   All rights reserved.
 *
 *   Redistribution and use in source and binary forms, with or 
 *   without modification, are permitted (subject to the limitations 
 *   in the disclaimer below) provided that the following conditions 
 *   are met:
 *
 *   * Redistributions of source code must retain the above copyright 
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above 
 *     copyright notice, this list of conditions and the following 
 *     disclaimer in the documentation and/or other materials 
 *     provided with the distribution.
 *
 *   * Neither the name of Qualcomm Atheros nor the names of 
 *     its contributors may be used to endorse or promote products 
 *     derived from this software without specific prior written 
 *     permission.
 *
 *   NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE 
 *   GRANTED BY THIS LICENSE. THIS SOFTWARE IS PROVIDED BY THE 
 *   COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot; AND ANY EXPRESS OR 
 *   IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 
 *   WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 
 *   PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER 
 *   OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
 *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 
 *   NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 
 *   LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
 *   HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
 *   CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE 
 *   OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 
 *   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  
 *
 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   signed WatchdogReport (struct plc * plc);
 *
 *   plc.h
 *
 *   Read the watchdog report using VS_WD_RPT and write it to a file
 *   in binary format; this file can be sent to Atheros Support for
 *   analysis;
 *
 *   The VS_WD_RPT message returns an indication, not a confirmation
 *    message;
 *
 *
 *   Contributor(s):
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

#ifndef WATCHDOGREPORT_SOURCE
#define WATCHDOGREPORT_SOURCE

#include &lt;stdint.h&gt;
#include &lt;unistd.h&gt;
#include &lt;memory.h&gt;

#include &quot;../plc/plc.h&quot;
#include &quot;../tools/error.h&quot;
#include &quot;../tools/flags.h&quot;
#include &quot;../tools/files.h&quot;
#include &quot;../tools/memory.h&quot;
#include &quot;../tools/format.h&quot;

signed WatchdogReport (struct plc * plc)

{
	struct channel * channel = (struct channel *)(plc-&gt;channel);
	struct message * message = (struct message *)(plc-&gt;message);

#ifndef __GNUC__
#pragma pack (push,1)
#endif

	struct __packed vs_wd_rpt_request
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint16_t SESSIONID;
		uint8_t CLR;
	}
	* request = (struct vs_wd_rpt_request *) (message);
	struct __packed vs_wd_rpt_ind
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MSTATUS;
		uint16_t SESSIONID;
		uint8_t NUMPARTS;
		uint8_t CURPART;
		uint16_t RDATALENGTH;
		uint8_t RDATAOFFSET;
		uint8_t RDATA [1];
	}
	* indicate = (struct vs_wd_rpt_ind *) (message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	Request (plc, &quot;Read Watchdog Report&quot;);
	memset (message, 0, sizeof (* message));
	EthernetHeader (&amp;request-&gt;ethernet, channel-&gt;peer, channel-&gt;host, channel-&gt;type);
	QualcommHeader (&amp;request-&gt;qualcomm, 0, (VS_WD_RPT | MMTYPE_REQ));
	request-&gt;SESSIONID = HTOLE32 (plc-&gt;cookie);
	request-&gt;CLR = plc-&gt;readaction;
	plc-&gt;packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
	if (SendMME (plc) &lt;= 0)
	{
		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
		return (-1);
	}
	do
	{
		if (ReadMME (plc, 0, (VS_WD_RPT | MMTYPE_IND)) &lt;= 0)
		{
			error (PLC_EXIT (plc), errno, CHANNEL_CANTREAD);
			return (-1);
		}
		if (indicate-&gt;MSTATUS)
		{
			Failure (plc, PLC_WONTDOIT);
			return (-1);
		}
		if (write (plc-&gt;rpt.file, indicate-&gt;RDATA + indicate-&gt;RDATAOFFSET, LE16TOH (indicate-&gt;RDATALENGTH)) != LE16TOH (indicate-&gt;RDATALENGTH))
		{
			Failure (plc, FILE_CANTSAVE, plc-&gt;rpt.name);
			return (-1);
		}
	}
	while (indicate-&gt;CURPART &lt; indicate-&gt;NUMPARTS);
	Confirm (plc, &quot;Read %s&quot;, plc-&gt;rpt.name);
	return (0);
}

#endif


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