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			DeviceIdent.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 DeviceIdent (struct plc * plc);
 *
 *   plc.h
 *
 *   This plugin for program plc reads the first block of a device
 *   PIB using VS_RD_MOD and updates the plc structure with device
 *   network identity information, including MAC, DAK and NMK;
 *
 *
 *   Contributor(s):
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

#ifndef DEVICEIDENT_SOURCE
#define DEVICEIDENT_SOURCE

#include &lt;string.h&gt;

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

signed DeviceIdent (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_rd_mod_request
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MODULEID;
		uint8_t MACCESS;
		uint16_t MLENGTH;
		uint32_t MOFFSET;
		uint8_t MSECRET [16];
	}
	* request = (struct vs_rd_mod_request *) (message);
	struct __packed vs_rd_mod_confirm
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t MSTATUS;
		uint8_t RES [3];
		uint8_t MODULEID;
		uint8_t RESERVED;
		uint16_t MLENGTH;
		uint32_t MOFFSET;
		uint32_t MCHKSUM;
		struct simple_pib IDENT;
	}
	* confirm = (struct vs_rd_mod_confirm *) (message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	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_RD_MOD | MMTYPE_REQ));
	plc-&gt;packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
	request-&gt;MODULEID = VS_MODULE_PIB;
	request-&gt;MLENGTH = HTOLE16 (sizeof (confirm-&gt;IDENT));
	request-&gt;MOFFSET = 0;
	if (SendMME (plc) &lt;= 0)
	{
		error (1, errno, CHANNEL_CANTSEND);
	}
	while (ReadMME (plc, 0, (VS_RD_MOD | MMTYPE_CNF)) &lt;= 0)
	{
		plc-&gt;flags |= PLC_BAILOUT;
		Failure (plc, PLC_NODETECT);
	}
	if (confirm-&gt;MSTATUS)
	{
		Failure (plc, PLC_WONTDOIT);
	}
	memcpy (plc-&gt;MAC, confirm-&gt;IDENT.MAC, sizeof (plc-&gt;MAC));
	memcpy (plc-&gt;DAK, confirm-&gt;IDENT.DAK, sizeof (plc-&gt;DAK));
	memcpy (plc-&gt;NMK, confirm-&gt;IDENT.NMK, sizeof (plc-&gt;NMK));
	return (0);
}

#endif


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