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			coqos_mod.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.  
 *
 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   coqos_mod.c - Modify MCMSA stream
 *
 *
 *   Contributor(s):
 *	Bill Wike &lt;bill.wike@qca.qualcomm.com&gt;
 *	Nathaniel Houghton &lt;nhoughto@qca.qualcomm.com&gt;
 *      Charles Maier &lt;cmaier@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

/*====================================================================*&quot;
 *   system header files;
 *--------------------------------------------------------------------*/

#include &lt;unistd.h&gt;
#include &lt;stdlib.h&gt;
#include &lt;stdint.h&gt;
#include &lt;limits.h&gt;

/*====================================================================*
 *   custom header files;
 *--------------------------------------------------------------------*/

#include &quot;../tools/getoptv.h&quot;
#include &quot;../tools/putoptv.h&quot;
#include &quot;../tools/memory.h&quot;
#include &quot;../tools/number.h&quot;
#include &quot;../tools/symbol.h&quot;
#include &quot;../tools/types.h&quot;
#include &quot;../tools/flags.h&quot;
#include &quot;../tools/files.h&quot;
#include &quot;../tools/error.h&quot;
#include &quot;../plc/plc.h&quot;

/*====================================================================*
 *   custom source files;
 *--------------------------------------------------------------------*/

#ifndef MAKEFILE
#include &quot;../tools/getoptv.c&quot;
#include &quot;../tools/putoptv.c&quot;
#include &quot;../tools/version.c&quot;
#include &quot;../tools/hexdump.c&quot;
#include &quot;../tools/hexencode.c&quot;
#include &quot;../tools/bytespec.c&quot;
#include &quot;../tools/ipv4spec.c&quot;
#include &quot;../tools/ipv6spec.c&quot;
#include &quot;../tools/hexdecode.c&quot;
#include &quot;../tools/todigit.c&quot;
#include &quot;../tools/typename.c&quot;
#include &quot;../tools/error.c&quot;
#include &quot;../tools/synonym.c&quot;
#include &quot;../tools/lookup.c&quot;
#include &quot;../tools/assist.c&quot;
#include &quot;../tools/codelist.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../plc/Request.c&quot;
#include &quot;../plc/Confirm.c&quot;
#include &quot;../plc/Display.c&quot;
#include &quot;../plc/Failure.c&quot;
#include &quot;../plc/ReadMME.c&quot;
#include &quot;../plc/SendMME.c&quot;
#include &quot;../plc/Devices.c&quot;
#include &quot;../mme/EthernetHeader.c&quot;
#include &quot;../mme/QualcommHeader.c&quot;
#include &quot;../mme/UnwantedMessage.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../ether/channel.c&quot;
#include &quot;../ether/openchannel.c&quot;
#include &quot;../ether/closechannel.c&quot;
#include &quot;../ether/readpacket.c&quot;
#include &quot;../ether/sendpacket.c&quot;
#endif

#ifndef MAKEFILE
#include &quot;../mme/MMECode.c&quot;
#endif

/*====================================================================*
 *   constants;
 *--------------------------------------------------------------------*/

#define ACTION &quot;action&quot;

/*====================================================================*
 *   program variables;
 *--------------------------------------------------------------------*/

#define ACTION_SPND 0x00
#define ACTION_RES 0x01

static struct _code_ const actions [] =

{
	{
		ACTION_SPND,
		&quot;suspend&quot;
	},
	{
		ACTION_RES,
		&quot;resume&quot;
	}
};

/*====================================================================*
 *
 *   signed mod_conn (struct plc * plc, uint8_t TYPE, uint16_t CID);
 *
 *
 *
 *   Contributor(s):
 *	Bill Wike &lt;bill.wike@qca.qualcomm.com&gt;
 *
 *--------------------------------------------------------------------*/

static signed mod_conn (struct plc * plc, uint8_t TYPE, uint16_t CID)

{
	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_mod_conn_req
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint32_t REQ_ID;
		uint32_t RSVD;
		uint16_t CID;
		uint8_t MOD_CTRL;
	}
	* request = (struct vs_mod_conn_req *)(message);
	struct __packed vs_mod_conn_cnf
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint32_t REQ_ID;
		uint8_t MSTATUS;
		uint16_t ERR_REC_CODE;
		uint32_t RSVD;
		uint16_t CID;
	}
	* confirm = (struct vs_mod_conn_cnf *)(message);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	Request (plc, &quot;COQOS modify connection&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_CONN_MOD | MMTYPE_REQ));
	plc-&gt;packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
	request-&gt;MOD_CTRL = TYPE;
	request-&gt;CID = CID;
	if (SendMME (plc) &lt;= 0)
	{
		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
		return (-1);
	}
	while (ReadMME (plc, 0, (VS_CONN_MOD | MMTYPE_CNF)) &gt; 0)
	{
		if (confirm-&gt;MSTATUS)
		{
			Failure (plc, PLC_WONTDOIT);
			return (-1);
		}
		Confirm (plc, &quot;%s connection %04X&quot;, (TYPE == ACTION_SPND)? &quot;Suspended&quot;: &quot;Resumed&quot;, CID);
	}
	return (0);
}

/*====================================================================*
 *
 *   int main (int argc, char const * argv[]);
 *
 *
 *--------------------------------------------------------------------*/

int main (int argc, char const * argv [])

{
	extern struct channel channel;
	static char const * optv [] =
	{
		&quot;ei:qv&quot;,
		&quot;spnd,res cid&quot;,
		&quot;CoQos Stream Utility&quot;,
		&quot;e\tredirect stderr to stdout&quot;,

#if defined (WINPCAP) || defined (LIBPCAP)

		&quot;i n\thost interface is (n) [&quot; LITERAL (CHANNEL_ETHNUMBER) &quot;]&quot;,

#else

		&quot;i s\thost interface is (s) [&quot; LITERAL (CHANNEL_ETHDEVICE) &quot;]&quot;,

#endif

		&quot;q\tquiet mode&quot;,
		&quot;v\tverbose mode&quot;,
		(char const *) (0)
	};

#include &quot;../plc/plc.c&quot;

	uint16_t cid;
	uint8_t type;
	signed code;
	signed c;
	if (getenv (PLCDEVICE))
	{

#if defined (WINPCAP) || defined (LIBPCAP)

		channel.ifindex = atoi (getenv (PLCDEVICE));

#else

		channel.ifname = strdup (getenv (PLCDEVICE));

#endif

	}
	optind = 1;
	while ((c = getoptv (argc, argv, optv)) != -1)
	{
		switch (c)
		{
		case 'e':
			dup2 (STDOUT_FILENO, STDERR_FILENO);
			break;
		case 'i':

#if defined (WINPCAP) || defined (LIBPCAP)

			channel.ifindex = atoi (optarg);

#else

			channel.ifname = optarg;

#endif

			break;
		case 'q':
			_setbits (channel.flags, CHANNEL_SILENCE);
			_setbits (plc.flags, PLC_SILENCE);
			break;
		case 'v':
			_setbits (channel.flags, CHANNEL_VERBOSE);
			_setbits (plc.flags, PLC_VERBOSE);
			break;
		default:
			break;
		}
	}
	argc -= optind;
	argv += optind;
	if ((code = lookup (* argv++, actions, SIZEOF (actions))) == -1)
	{
		assist (*--argv, ACTION, actions, SIZEOF (actions));
	}
	type = (uint8_t)(code);
	argc--;
	if (argc == 0)
	{
		error (1, ECANCELED, &quot;Missing CID&quot;);
	}
	if (!hexencode ((uint8_t *)(&amp;cid), sizeof (cid), * argv++))
	{
		error (1, errno, &quot;Invalid CID&quot;);
	}
	cid = htons (cid);
	argc--;
	openchannel (&amp;channel);
	if (!(plc.message = malloc (sizeof (* plc.message))))
	{
		error (1, errno, PLC_NOMEMORY);
	}
	if (!argc)
	{
		mod_conn (&amp;plc, type, cid);
	}
	while ((argc) &amp;&amp; (* argv))
	{
		if (!hexencode (channel.peer, sizeof (channel.peer), synonym (* argv, devices, SIZEOF (devices))))
		{
			error (1, errno, PLC_BAD_MAC, * argv);
		}
		mod_conn (&amp;plc, type, cid);
		argc--;
		argv++;
	}
	free (plc.message);
	closechannel (&amp;channel);
	exit (0);
}


</pre>
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