csu3_am335x/EVSE/GPL/plc-utils.LNX.2.1.20/source/plc/NetworkInformation1.c

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

/*====================================================================*
 *
 *   signed NetworkInformation1 (struct channel * channel);
 *
 *   plc.h
 *
 *   Request network membership information for the peer device using
 *   a VS_NW_INFO message;
 *
 *   This function is similar to function NetworkInfo() but the output
 *   format is different;
 *
 *   See the Atheros HomePlug AV Firmware Technical Reference Manual
 *   for more information;
 *
 *   Contributor(s):
 *      Charles Maier <cmaier@qca.qualcomm.com>
 *
 *--------------------------------------------------------------------*/

#ifndef NETWORKINFORMATION1_SOURCE
#define NETWORKINFORMATION1_SOURCE

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

#include "../plc/plc.h"
#include "../tools/memory.h"
#include "../tools/number.h"
#include "../tools/error.h"

signed NetworkInformation1 (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_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));
	if (sendpacket (channel, message, (ETHER_MIN_LEN - ETHER_CRC_LEN)) <= 0)
	{
		error (1, errno, CHANNEL_CANTSEND);
	}
	if (readpacket (channel, message, sizeof (* message)) <= 0)
	{
		error (1, errno, CHANNEL_CANTREAD);
	}
	network = (struct network *) (& networks->networks);
	while (networks->NUMAVLNS--)
	{
		char string [24];
		printf (" NID %20s", hexstring (string, sizeof (string), network->NID, sizeof (network->NID)));
		printf (" SNID %03d", network->SNID);
		printf ("\n");
		printf (" %s", (network->TEI == network->CCO_TEI)? "CCO": "STA");
		printf (" TEI %03d", network->TEI);
		printf (" MAC %17s", hexstring (string, sizeof (string), request->ethernet.OSA, sizeof (request->ethernet.OSA)));
		printf (" BDA %17s", hexstring (string, sizeof (string), request->ethernet.ODA, sizeof (request->ethernet.ODA)));
		printf ("\n");
		station = (struct station *) (& network->stations);
		while (network->NUMSTAS--)
		{
			printf (" %s", (station->TEI == network->CCO_TEI)? "CCO": "STA");
			printf (" TEI %03d", station->TEI);
			printf (" MAC %17s", hexstring (string, sizeof (string), station->MAC, sizeof (station->MAC)));
			printf (" BDA %17s", hexstring (string, sizeof (string), station->BDA, sizeof (station->BDA)));
			printf (" TX %03d", station->AVGTX);
			printf (" RX %03d", station->AVGRX);
			printf ("\n");
			station++;
		}
		network = (struct network *) (station);
	}
	return (0);
}

#endif