csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/plc/WatchdogReport.c

/*====================================================================*
*
*   Copyright (c) 2013 Qualcomm Atheros, Inc.
*
*   All rights reserved.
*
*====================================================================*/

/*====================================================================*
 *
 *   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 <cmaier@qca.qualcomm.com>
 *
 *--------------------------------------------------------------------*/

#ifndef WATCHDOGREPORT_SOURCE
#define WATCHDOGREPORT_SOURCE

#include <stdint.h>
#include <unistd.h>
#include <memory.h>

#include "../plc/plc.h"
#include "../tools/error.h"
#include "../tools/flags.h"
#include "../tools/files.h"
#include "../tools/memory.h"
#include "../tools/format.h"

signed WatchdogReport (struct plc * plc)

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

#endif