    /*====================================================================*
     *
     *   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 "AS IS" 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_add.c - Add MCMSA Stream
     *
     *
     *   Contributor(s):
     *	Bill Wike <bill.wike@qca.qualcomm.com>
     *	Nathaniel Houghton <nhoughto@qca.qualcomm.com>
     *	Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    /*====================================================================*"
     *   system header files;
     *--------------------------------------------------------------------*/

    #include <unistd.h>
    #include <stdlib.h>
    #include <stdint.h>
    #include <limits.h>

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

    #include "../tools/getoptv.h"
    #include "../tools/putoptv.h"
    #include "../tools/memory.h"
    #include "../tools/number.h"
    #include "../tools/symbol.h"
    #include "../tools/types.h"
    #include "../tools/flags.h"
    #include "../tools/files.h"
    #include "../tools/error.h"
    #include "../plc/plc.h"
    #include "../plc/coqos.h"

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

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

    #ifndef MAKEFILE
    #include "../plc/Request.c"
    #include "../plc/Confirm.c"
    #include "../plc/Failure.c"
    #include "../plc/Display.c"
    #include "../plc/ReadMME.c"
    #include "../plc/SendMME.c"
    #include "../plc/Devices.c"
    #include "../plc/rules.c"
    #endif

    #ifndef MAKEFILE
    #include "../ether/channel.c"
    #include "../ether/openchannel.c"
    #include "../ether/closechannel.c"
    #include "../ether/readpacket.c"
    #include "../ether/sendpacket.c"
    #endif

    #ifndef MAKEFILE
    #include "../mme/MMECode.c"
    #include "../mme/EthernetHeader.c"
    #include "../mme/QualcommHeader.c"
    #include "../mme/UnwantedMessage.c"
    #endif

    /*====================================================================*
     *
     *   signed add_conn (struct plc * plc, struct connection * connection);
     *
     *
     *
     *   Contributor(s):
     *	Bill Wike <bill.wike@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    static signed add_conn (struct plc * plc, struct connection * connection)

    {
    	struct channel * channel = (struct channel *)(plc->channel);
    	struct message * message = (struct message *)(plc->message);

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

    	struct __packed vs_add_conn_req
    	{
    		struct ethernet_hdr ethernet;
    		struct qualcomm_hdr qualcomm;
    		struct connection connection;
    	}
    	* request = (struct vs_add_conn_req *)(message);
    	struct __packed vs_add_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;
    		uint8_t REJECT_MAC [ETHER_ADDR_LEN];
    		uint16_t CSPEC_VERSION;
    		uint8_t CONN_CAP;
    		uint8_t CONN_COQOS_PRIO;
    		uint16_t CONN_RATE;
    		uint32_t CONN_TTL;
    	}
    	* confirm = (struct vs_add_conn_cnf *)(message);

    #ifndef __GNUC__
    #pragma pack (pop)
    #endif

    	Request (plc, "Add COQOS connection");
    	memset (message, 0, sizeof (* message));
    	EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type);
    	QualcommHeader (&request->qualcomm, 0, (VS_CONN_ADD | MMTYPE_REQ));
    	memcpy (&request->connection, connection, sizeof (struct connection));
    	memcpy (&request->connection.rule.CLASSIFIERS [request->connection.rule.NUM_CLASSIFIERS], &request->connection.cspec, sizeof (request->connection.cspec));
    	plc->packetsize = sizeof (struct vs_add_conn_req);
    	if (SendMME (plc) <= 0)
    	{
    		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
    		return (-1);
    	}
    	while (ReadMME (plc, 0, (VS_CONN_ADD | MMTYPE_CNF)) <= 0)
    	{
    		if (confirm->MSTATUS)
    		{
    			Failure (plc, "Device won't add connection");
    			return (-1);
    		}
    		Confirm (plc, "Setting ...");
    	}
    	return (0);
    }

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

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

    {
    	extern struct channel channel;
    	static char const * optv [] =
    	{
    		"ei:qv",
    		"action priority destination rate ttl operand condition [...] [device] [...]\n\n          where condition is field operator value",
    		"CoQos Stream Utility",
    		"e\tredirect stderr to stdout",

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

    		"i n\thost interface is (n) [" LITERAL (CHANNEL_ETHNUMBER) "]",

    #else

    		"i s\thost interface is (s) [" LITERAL (CHANNEL_ETHDEVICE) "]",

    #endif

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

    #include "../plc/plc.c"

    	struct connection connection;
    	struct MMEClassifier * rule = (struct MMEClassifier *)(&connection.rule.CLASSIFIERS);
    	uint16_t * word;
    	uint8_t * byte;
    	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;
    	memset (&connection, 0, sizeof (connection));
    	if ((code = lookup (* argv++, actions, SIZEOF (actions))) == -1)
    	{
    		assist (*--argv, CLASSIFIER_ACTION_NAME, actions, SIZEOF (actions));
    	}
    	connection.cspec.CONN_CAP = (uint8_t)(code);
    	argc--;
    	if (!argc)
    	{
    		error (1, ECANCELED, "Expected Priority: 0-15");
    	}
    	connection.cspec.CONN_COQOS_PRIO = (uint8_t)(uintspec (* argv++, 0, 15));
    	argc--;
    	if (!argc)
    	{
    		error (1, ECANCELED, "Expected Destination MAC Address");
    	}
    	if (!hexencode (connection.APP_DA, sizeof (connection.APP_DA), synonym (* argv++, devices, SIZEOF (devices))))
    	{
    		error (1, errno, "Invalid MAC=[%s]", *--argv);
    	}
    	argc--;
    	if (!argc)
    	{
    		error (1, ECANCELED, "Expected Data Rate: 10-9000 (kbps)");
    	}
    	connection.cspec.CONN_RATE = (uint16_t)(uintspec (* argv++, 1, 9000));
    	argc--;
    	if (!argc)
    	{
    		error (1, ECANCELED, "Expected TTL: 10000-2000000 (microseconds)");
    	}
    	connection.cspec.CONN_TTL = (uint32_t)(uintspec (* argv++, 10000, 2000000));
    	argc--;
    	if ((code = lookup (* argv++, operands, SIZEOF (operands))) == -1)
    	{
    		assist (*--argv, CLASSIFIER_OPERAND_NAME, operands, SIZEOF (operands));
    	}
    	connection.rule.MOPERAND = (uint8_t)(code);
    	argc--;
    	while ((* argv) && (lookup (* argv, controls, SIZEOF (controls)) == -1))
    	{
    		if ((code = lookup (* argv++, fields, SIZEOF (fields))) == -1)
    		{
    			assist (*--argv, CLASSIFIER_FIELD_NAME, fields, SIZEOF (fields));
    		}
    		rule->CR_PID = (uint8_t)(code);
    		argc--;
    		if ((code = lookup (* argv++, operators, SIZEOF (operators))) == -1)
    		{
    			assist (*--argv, CLASSIFIER_OPERATOR_NAME, operators, SIZEOF (operators));
    		}
    		rule->CR_OPERAND = (uint8_t)(code);
    		argc--;
    		if (!argc || !* argv)
    		{
    			error (1, ENOTSUP, "Have %s '%s' without any value", CLASSIFIER_OPERATOR_NAME, *--argv);
    		}
    		switch (rule->CR_PID)
    		{
    		case FIELD_ETH_SA:
    		case FIELD_ETH_DA:
    			bytespec (* argv++, rule->CR_VALUE, ETHER_ADDR_LEN);
    			break;
    		case FIELD_IPV4_SA:
    		case FIELD_IPV4_DA:
    			ipv4spec (* argv++, rule->CR_VALUE);
    			break;
    		case FIELD_IPV6_SA:
    		case FIELD_IPV6_DA:
    			ipv6spec (* argv++, rule->CR_VALUE);
    			break;
    		case FIELD_VLAN_UP:
    		case FIELD_IPV4_TOS:
    		case FIELD_IPV4_PROT:
    			byte = (uint8_t *)(rule->CR_VALUE);
    			*byte = (uint8_t)(basespec (* argv++, 0, sizeof (* byte)));
    			break;
    		case FIELD_VLAN_ID:
    		case FIELD_TCP_SP:
    		case FIELD_TCP_DP:
    		case FIELD_UDP_SP:
    		case FIELD_UDP_DP:
    		case FIELD_IP_SP:
    		case FIELD_IP_DP:
    			word = (uint16_t *)(rule->CR_VALUE);
    			*word = (uint16_t)(basespec (* argv++, 0, sizeof (* word)));
    			*word = htons (*word);
    			break;
    		case FIELD_ETH_TYPE:
    			word = (uint16_t *)(rule->CR_VALUE);
    			*word = (uint16_t)(basespec (* argv++, 0, sizeof (* word)));
    			*word = htons (*word);
    			break;
    		case FIELD_HPAV_MME:
    			bytespec (* argv++, rule->CR_VALUE, sizeof (uint8_t) + sizeof (uint16_t));
    			byte = (uint8_t *)(rule->CR_VALUE);
    			HTOBE16 ((uint16_t)(* ++byte));
    			break;
    		case FIELD_IPV6_TC:
    		case FIELD_IPV6_FL:
    		case FIELD_TCP_ACK:
    		default:
    			error (1, ENOTSUP, "Field '%s' (0x%02X)", argv [-2], rule->CR_PID);
    			break;
    		}
    		connection.rule.NUM_CLASSIFIERS++;
    		if (connection.rule.NUM_CLASSIFIERS > RULE_MAX_CLASSIFIERS)
    		{
    			error (1, ENOTSUP, "More than %d classifiers in rule", RULE_MAX_CLASSIFIERS);
    		}
    		rule++;
    		argc--;
    	}
    	connection.cspec.CSPEC_VERSION = 0x0001;
    	openchannel (&channel);
    	if (!(plc.message = malloc (sizeof (* plc.message))))
    	{
    		error (1, errno, PLC_NOMEMORY);
    	}
    	if (!argc)
    	{
    		add_conn (&plc, &connection);
    	}
    	while ((argc) && (* argv))
    	{
    		if (!hexencode (channel.peer, sizeof (channel.peer), synonym (* argv, devices, SIZEOF (devices))))
    		{
    			error (1, errno, PLC_BAD_MAC, * argv);
    		}
    		add_conn (&plc, &connection);
    		argc--;
    		argv++;
    	}
    	free (plc.message);
    	closechannel (&channel);
    	exit (0);
    }

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