csu3_am335x/EVSE/GPL/open-plc-utils-0.3/plc/plc.c

/*====================================================================*
 *
 *   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.
 *
 *--------------------------------------------------------------------*/

/*====================================================================*
 *
 *   plc.c - Qualcomm Atheros Powerline Data Structure;
 *
 *   this structure contains information needed to perform various
 *   operations on Qualcomm Atheros powerline devices; it represents
 *   one instance of a device and could easily be converted to an
 *   object in the future;
 *
 *   this structure points to a channel and a message structure;
 *
 *
 *   Contributor(s):
 *      Charles Maier
 *      Alex Vasquez
 *
 *--------------------------------------------------------------------*/

#ifndef PLC_SOURCE
#define PLC_SOURCE

#include "../plc/plc.h"
#include "../ether/channel.h"

struct plc plc =

{
	(struct channel *) (& channel),
	(struct message *) (0),
	(void *) (0),
	0,

/*
 * Local Device Address (LDA) buffer needed by all operations;
 */

	{
		0x00,
		0x00,
		0x00,
		0x00,
		0x00,
		0x00
	},

/*
 * Remote Device Address (RDA) buffer needed by selected operations;
 */

	{
		0x00,
		0x00,
		0x00,
		0x00,
		0x00,
		0x00
	},

/*
 *   Network Membership Key (NMK) needed by VS_SET_KEY operations;
 *   The default is an encrypted version of password "HomePlugAV";
 */

	{
		0x50,
		0xD3,
		0xE4,
		0x93,
		0x3F,
		0x85,
		0x5B,
		0x70,
		0x40,
		0x78,
		0x4D,
		0xF8,
		0x15,
		0xAA,
		0x8D,
		0xB7
	},

/*
 *   Device Access Key (DAK) needed for VS_SET_KEY operations;
 *   The default is an encrypted version of password "HomePlugAV";
 */

	{
		0x68,
		0x9F,
		0x07,
		0x4B,
		0x8B,
		0x02,
		0x75,
		0xA2,
		0x71,
		0x0B,
		0x0B,
		0x57,
		0x79,
		0xAD,
		0x16,
		0x30
	},

/*
 * struct _file_ CFG; MAC software will be read from this file and
 * written to RAM for each device specified on the command line;
 * some tools use this file for the panther/lynx softloader;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ cfg; SDRAM configuration will be read from flash
 * on the specified device and written to this file;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ SFT; softloader file to be written to flash
 * memory;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ sft; softloader file to be read from flash
 * memory;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ NVM; runtime firmware will be read from this file
 * and written to RAM for each device specified on the command line;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ nvm; MAC software will be read from SDRAM on the
 * specified device and written to this file; interlocks elsewhere
 * in the code should prevent this file from being overwritten
 * multiple times, by accident, and ensure that it is created before
 * and new MAC software is written to device RAM;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ PIB; PIB information will be read from this file
 * and written to RAM for each device specified on the command line;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ pib; PIB information will be read from SDRAM on
 * the specified device and written to this file; interlocks elsewhere
 * in the code should prevent this file from being overwritten
 * multiple times, by accident, and ensure that it is created before
 * any new PIB software is written to device RAM;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ XML; optional XML PIB edit instructions; this is an
 * advanced feature;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ rpt; Watchdog Report data will be read from the device
 * and written to this file;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 * struct _file_ socket;
 */

	{
		(file_t) (-1),
		(char const *) (0)
	},

/*
 *   miscellaneous small integers used as needed when arguments
 *   are required for an MME;
 */

	HARDWAREID,
	SOFTWAREID,
	PLCSESSION,
	HOSTACTION,
	SECTORCODE,
	MODULECODE,
	PUSHBUTTON,
	READACTION,
	PLCOUPLING,
	FLASH_SIZE,

/*
 *   various boolean flags; bailout causes exit on first failure;
 *   timeout indicates a real timeout; count is the loop counter;
 *   pause is a loop wait timer; values are declared as constants
 *   above;
 */

	PLC_STATE,
	PLC_TIMER,
	PLC_SLEEP,
	PLC_COUNT,
	PLC_INDEX,
	PLC_FLAGS,
	PLC_FLAGS
};

#if defined (__linux__) || defined (__APPLE__) || defined (__OpenBSD__) || defined (__NetBSD__) || defined (__FreeBSD__)
#define RANDOMIZE_COOKIE 1
#endif

#ifdef RANDOMIZE_COOKIE
{
	int f;
	f = open("/dev/urandom", O_BINARY|O_RDONLY);
	if (f >= 0) {
		do {
			read(f, &plc.cookie, sizeof plc.cookie);
		} while (plc.cookie == PLCSESSION || plc.cookie == 0 || plc.cookie == 0xFFFFFFFF);
		close(f);
	}
}
#endif
#endif