csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/plc/RxRates1.c

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

/*====================================================================*
 *
 *   signed RxRates1 (struct plc * plc);
 *
 *   An INT6x00 only version;
 *
 *   Contributor(s):
 *      Charles Maier <cmaier@qca.qualcomm.com>
 *
 *--------------------------------------------------------------------*/

#ifndef RXRATES1_SOURCE
#define RXRATES1_SOURCE

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

#include "../tools/types.h"
#include "../tools/flags.h"
#include "../tools/error.h"
#include "../plc/plc.h"

signed RxRates1 (struct plc * plc)

{
	extern const byte broadcast [ETHER_ADDR_LEN];
	struct channel * channel = (struct channel *) (plc->channel);
	struct message * message = (struct message *) (plc->message);

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

	struct __packed vs_nw_info_request
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
	}
	* request = (struct vs_nw_info_request *) (message);
	struct __packed vs_nw_info_confirm
	{
		struct ethernet_hdr ethernet;
		struct qualcomm_hdr qualcomm;
		uint8_t data [1];
	}
	* confirm = (struct vs_nw_info_confirm *) (message);
	struct __packed station
	{
		uint8_t MAC [ETHER_ADDR_LEN];
		uint8_t TEI;
		uint8_t BDA [ETHER_ADDR_LEN];
		uint8_t AVGTX;
		uint8_t AVGRX;
	}
	* station;
	struct __packed network
	{
		uint8_t NID [7];
		uint8_t SNID;
		uint8_t TEI;
		uint8_t ROLE;
		uint8_t CCO_MAC [ETHER_ADDR_LEN];
		uint8_t CCO_TEI;
		uint8_t NUMSTAS;
		struct station stations [1];
	}
	* network;
	struct __packed networks
	{
		uint8_t NUMAVLNS;
		struct network networks [1];
	}
	* networks = (struct networks *) (confirm->data);

#ifndef __GNUC__
#pragma pack (pop)
#endif

	memset (message, 0, sizeof (* message));
	EthernetHeader (& request->ethernet, channel->peer, channel->host, channel->type);
	QualcommHeader (& request->qualcomm, 0, (VS_NW_INFO | MMTYPE_REQ));
	plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
	if (SendMME (plc) <= 0)
	{
		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
		return (-1);
	}
	while (ReadMME (plc, 0, (VS_NW_INFO | MMTYPE_CNF)) > 0)
	{
		network = (struct network *) (& networks->networks);
		while (networks->NUMAVLNS--)
		{
			station = (struct station *) (& network->stations);
			while (network->NUMSTAS--)
			{
				if (memcmp (station->MAC, broadcast, sizeof (broadcast)))
				{
					if (_anyset (plc->flags, PLC_UNCODED_RATES))
					{
						station->AVGTX = ((station->AVGTX * 21) >> 4);
						station->AVGRX = ((station->AVGRX * 21) >> 4);
					}
					printf ("%d", _anyset (plc->flags, PLC_TXONLY)? station->AVGTX: station->AVGRX);
					if (network->NUMSTAS)
					{
						printf (", ");
					}
				}
				station++;
			}
			printf ("\n");
			network = (struct network *) (station);
		}
		fflush (stdout);
	}
	return (0);
}

#endif