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

    /*====================================================================*
     *
     *   signed MDUTrafficStats (struct plc * plc);
     *
     *   plc.h
     *
     *
     *   Contributor(s):
     *      Charles Maier <cmaier@qca.qualcomm.com>
     *
     *--------------------------------------------------------------------*/

    #ifndef MDUTRAFFICSTATS_SOURCE
    #define MDUTRAFFICSTATS_SOURCE

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

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

    /*====================================================================*
     *   constants;
     *--------------------------------------------------------------------*/

    #define CC1_RDRP (1 <<  0)
    #define CC1_RJBR (1 <<  1)
    #define CC1_RFRG (1 <<  2)
    #define CC1_ROVR (1 <<  3)
    #define CC1_RUND (1 <<  4)
    #define CC1_RCSE (1 <<  5)
    #define CC1_RCDE (1 <<  6)
    #define CC1_RFLR (1 <<  7)
    #define CC1_RALN (1 <<  8)
    #define CC1_RXUO (1 <<  9)
    #define CC1_RXPF (1 << 10)
    #define CC1_RXCF (1 << 11)
    #define CC1_RBCA (1 << 12)
    #define CC1_RMCA (1 << 13)
    #define CC1_RFCS (1 << 14)
    #define CC1_RPTK (1 << 15)
    #define CC1_TRMGV (1 << 25)
    #define CC1_TRMAX (1 << 26)
    #define CC1_TR1K (1 << 27)
    #define CC1_TR511 (1 << 28)
    #define CC1_TR255 (1 << 29)
    #define CC1_TR127 (1 << 30)
    #define CC1_TR64 (1 << 31)

    #define CC2_TDRP (1 <<  0)
    #define CC2_TPFH (1 <<  1)
    #define CC2_TNCL (1 <<  2)
    #define CC2_TXCL (1 <<  3)
    #define CC2_TLCL (1 <<  4)
    #define CC2_TMCL (1 <<  5)
    #define CC2_TSCL (1 <<  6)
    #define CC2_TEDF (1 <<  7)
    #define CC2_TDFR (1 <<  8)
    #define CC2_TXPF (1 <<  9)
    #define CC2_TBCA (1 << 10)
    #define CC2_TMCA (1 << 11)
    #define CC2_TPKT (1 << 12)
    #define CC2_TBYT (1 << 13)
    #define CC2_TFRG (1 << 14)
    #define CC2_TUND (1 << 15)
    #define CC2_TOVR (1 << 16)
    #define CC2_TXCF (1 << 17)
    #define CC2_TFCS (1 << 18)
    #define CC2_TJBR (1 << 19)

    #define MASTER_TX_RX 	(1 << 0)
    #define SLAVE_TX_RX 	(1 << 1)
    #define MASTER_FETCH 	(1 << 2)
    #define SLAVE_CLEAR 	(1 << 3)
    #define ETHERNET_STATS 	(1 << 4)

    /*====================================================================*
     *   variables;
     *--------------------------------------------------------------------*/

    /*
     *  Station Statistics;
     */

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

    typedef struct __packed station_stats

    {
    	uint8_t TEI;
    	uint8_t RESULT_CODE;
    	uint32_t UPSTREAM_MME_FRAMES;
    	uint32_t UPSTREAM_ETH_FRAMES_UNI;
    	uint32_t UPSTREAM_ETH_FRAMES_MULTI;
    	uint32_t UPSTREAM_ETH_FRAMES_BROAD;
    	uint32_t UPSTREAM_DROP_MME_FROM_HOST;
    	uint32_t UPSTREAM_DROP_MME_FW_GEN;
    	uint32_t UPSTREAM_DROP_ETH_FROM_HOST;
    	uint32_t DOWNSTREAM_MME_FRAMES;
    	uint32_t DOWNSTREAM_ETH_FRAMES_UNI;
    	uint32_t DOWNSTREAM_ETH_FRAMES_MULTI;
    	uint32_t DOWNSTREAM_ETH_FRAMES_BROAD;
    	uint32_t DOWNSTREAM_DROP_MME_FROM_HOST;
    	uint32_t DOWNSTREAM_DROP_MME_FW_GEN;
    	uint32_t DOWNSTREAM_DROP_ETH_FROM_HOST;
    }

    statistics;

    #ifndef __GNUC__
    #pragma pack (pop)
    #endif

    /*
     *  Ethernet Statistics;
     */

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

    typedef struct __packed ethernet_stats

    {
    	uint16_t HW_MODULE_TYPE;
    	uint16_t HW_MODULE_STATS_LEN;
    	uint32_t TR64;
    	uint32_t TR127;
    	uint32_t TR255;
    	uint32_t TR511;
    	uint32_t TR1K;
    	uint32_t TRMAX;
    	uint32_t TRMGV;
    	uint32_t RBYT;
    	uint32_t RBKT;
    	uint32_t RFCS;
    	uint32_t RFCA;
    	uint32_t RBCA;
    	uint32_t RXCF;
    	uint32_t RXPF;
    	uint32_t RXUO;
    	uint32_t RALN;
    	uint32_t RFLR;
    	uint32_t RCDE;
    	uint32_t RCSE;
    	uint32_t RUND;
    	uint32_t ROVR;
    	uint32_t RFRG;
    	uint32_t RJBR;
    	uint32_t RDRP;
    	uint32_t TBYT;
    	uint32_t TPKT;
    	uint32_t TMCA;
    	uint32_t TBCA;
    	uint32_t TXPF;
    	uint32_t TDFR;
    	uint32_t TEDF;
    	uint32_t TSCL;
    	uint32_t TMCL;
    	uint32_t TLCL;
    	uint32_t TXCL;
    	uint32_t TNCL;
    	uint32_t TPFH;
    	uint32_t TDRP;
    	uint32_t TJBR;
    	uint32_t TFCS;
    	uint32_t TXCF;
    	uint32_t TOVR;
    	uint32_t TUND;
    	uint32_t TFRG;
    	uint32_t CARRY1;
    	uint32_t CARRY2;
    }

    ethernet_stats;

    #ifndef __GNUC__
    #pragma pack (pop)
    #endif

    /*
     *   Classification Counters
     */

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

    typedef struct __packed class_counters

    {
    	uint16_t HW_MODULE_TYPE;
    	uint16_t HW_MODULE_STATS_LEN;
    	uint32_t IcvFailure;
    	uint32_t InvalidMacFrame;
    	uint32_t CorruptedMacFrameHeader;
    	uint32_t MacDaCompareRule;
    	uint32_t PriorityOrTHresholdLessWatermark;
    	uint32_t OversizePacket;
    	uint32_t Other;
    	uint32_t SA_Learning;
    }

    class_counters;

    #ifndef __GNUC__
    #pragma pack (pop)
    #endif

    /*====================================================================*
     *
     *   void StationStats (struct plc * plc, struct station_stats * stats);
     *
     *   display station statistics in human readable format; there may
     *   be one or more such functions depending on the audience; this
     *   output was designed by the Product Verification Team in Ocala;
     *
     *
     *--------------------------------------------------------------------*/

    static void StationStats (struct plc * plc, struct station_stats * stats)

    {
    	fprintf (stderr, "TEI %d\n", stats->TEI);
    	fprintf (stderr, "ERR 0x%02X\n", stats->RESULT_CODE);
    	fprintf (stderr, "UPSTREAM_MME 0x%08X\n", stats->UPSTREAM_MME_FRAMES);
    	fprintf (stderr, "UPSTREAM_UNICAST 0x%08X\n", stats->UPSTREAM_ETH_FRAMES_UNI);
    	fprintf (stderr, "UPSTREAM_MULTICAST 0x%08X\n", stats->UPSTREAM_ETH_FRAMES_MULTI);
    	fprintf (stderr, "UPSTREAM_BROADCAST 0x%08X\n", stats->UPSTREAM_ETH_FRAMES_BROAD);
    	fprintf (stderr, "UPSTREAM_DROP_HOST_MME 0x%08X\n", stats->UPSTREAM_DROP_MME_FROM_HOST);
    	fprintf (stderr, "UPSTREAM_DROP_FW_MME 0x%08X\n", stats->UPSTREAM_DROP_MME_FW_GEN);
    	fprintf (stderr, "UPSTREAM_DROP_HOST_ETH 0x%08X\n", stats->UPSTREAM_DROP_ETH_FROM_HOST);
    	fprintf (stderr, "DOWNSTREAM_MME 0x%08X\n", stats->DOWNSTREAM_MME_FRAMES);
    	fprintf (stderr, "DOWNSTREAM_UNICAST 0x%08X\n", stats->DOWNSTREAM_ETH_FRAMES_UNI);
    	fprintf (stderr, "DOWNSTREAM_MULTICAST 0x%08X\n", stats->DOWNSTREAM_ETH_FRAMES_MULTI);
    	fprintf (stderr, "DOWNSTREAM_BROADCAST 0x%08X\n", stats->DOWNSTREAM_ETH_FRAMES_BROAD);
    	fprintf (stderr, "DOWNSTREAM_DROP_HOST_MME 0x%08X\n", stats->DOWNSTREAM_DROP_MME_FROM_HOST);
    	fprintf (stderr, "DOWNSTREAM_DROP_FW_MME 0x%08X\n", stats->DOWNSTREAM_DROP_MME_FW_GEN);
    	fprintf (stderr, "DOWNSTREAM_DROP_HOST_ETH 0x%08X\n", stats->DOWNSTREAM_DROP_ETH_FROM_HOST);
    	fprintf (stderr, "\n");
    	return;
    }

    /*====================================================================*
     *
     *   void EthernetStats (struct plc * plc, struct ethernet_stats * stats);
     *
     *
     *--------------------------------------------------------------------*/

    static void EthernetStats (struct plc * plc, struct ethernet_stats * stats)

    {
    	return;
    }

    /*====================================================================*
     *
     *   void ClassificationCounters (struct plc * plc, struct class_counters * counters);
     *
     *
     *--------------------------------------------------------------------*/

    #if 0

    static void ClassificationCounters (struct plc * plc, struct class_counters * counters)

    {
    	return;
    }

    #endif

    /*====================================================================*
     *
     *   signed MDUTrafficStats (struct plc * plc, uint8_t command, uint8_t session, uint8_t slave);
     *
     *   request MDU traffic statistics using one VS_MDU_TRAFFIC_STATS
     *   request type; different types of confirmations are returned
     *   depending on the type of request;
     *
     *
     *--------------------------------------------------------------------*/

    signed MDUTrafficStats (struct plc * plc, uint8_t command, uint8_t session, uint8_t slave)

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

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

    	struct __packed vs_mdu_station_stats_request
    	{
    		struct ethernet_hdr ethernet;
    		struct qualcomm_hdr qualcomm;
    		uint8_t COMMAND;
    		uint8_t SESSION;
    		uint32_t SLAVE_BITMAP [8];
    	}
    	* request = (struct vs_mdu_station_stats_request *) (message);
    	struct __packed vs_mdu_traffic_master_confirm
    	{
    		struct ethernet_hdr ethernet;
    		struct qualcomm_hdr qualcomm;
    		uint8_t COMMAND;
    		uint8_t SESSION;
    		uint16_t RESERVED;
    		uint8_t NUM_SLAVES;
    		uint8_t NUM_SLAVES_LEFT;
    		uint16_t STATS_LEN;
    		struct station_stats STATS [1];
    	}
    	* master_confirm = (struct vs_mdu_traffic_master_confirm *) (message);
    	struct __packed vs_mdu_traffic_slave_confirm
    	{
    		struct ethernet_hdr ethernet;
    		struct qualcomm_hdr qualcomm;
    		uint8_t COMMAND;
    		uint8_t SESSION;
    		uint16_t STATS_LEN;
    		struct station_stats STATS [1];
    	}
    	* slave_confirm = (struct vs_mdu_traffic_slave_confirm *) (message);

    #if 1

    	struct __packed vs_eth_hardware_stats_confirm
    	{
    		struct ethernet_hdr ethernet;
    		struct qualcomm_hdr qualcomm;
    		uint8_t COMMAND;
    		uint8_t SESSION;
    		uint8_t CHIPTYPE;
    		uint8_t STATUS;
    		uint16_t STATS_LEN;
    		struct ethernet_stats STATS [1];
    	}
    	* ether_confirm = (struct vs_eth_hardware_stats_confirm *) (message);

    #endif

    #ifndef __GNUC__
    #pragma pack (pop)
    #endif

    	Request (plc, "Request MDU Traffic Statistics (1)");
    	memset (message, 0, sizeof (* message));
    	EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type);
    	QualcommHeader (&request->qualcomm, 0, (VS_MDU_TRAFFIC_STATS | MMTYPE_REQ));
    	request->COMMAND = command;
    	request->SESSION = session;
    	set32bitmap (request->SLAVE_BITMAP, slave);
    	plc->packetsize = sizeof (* request);
    	if (SendMME (plc) <= 0)
    	{
    		error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
    		return (-1);
    	}
    	while (ReadMME (plc, 0, (VS_MDU_TRAFFIC_STATS | MMTYPE_CNF)) > 0)
    	{
    		if ((request->COMMAND > 0x00) && (request->COMMAND < 0x0020))
    		{
    			struct station_stats * stats;
    			unsigned count;
    			if (_anyset (request->COMMAND, MASTER_TX_RX | SLAVE_TX_RX))
    			{
    				stats = master_confirm->STATS;
    				count = LE16TOH (master_confirm->STATS_LEN);
    			}
    			else
    			{
    				stats = slave_confirm->STATS;
    				count = LE16TOH (slave_confirm->STATS_LEN);
    			}
    			while (count >= sizeof (struct station_stats))
    			{
    				StationStats (plc, stats++);
    				count -= sizeof (struct station_stats);
    			}
    			continue;
    		}
    		if ((request->COMMAND >= 0x20) && (request->COMMAND < 0x24))
    		{
    			EthernetStats (plc, ether_confirm->STATS);
    			continue;
    		}
    		if ((request->COMMAND >= 0x24) && (request->COMMAND < 0x28))
    		{
    			EthernetStats (plc, ether_confirm->STATS);
    			continue;
    		}
    		if ((request->COMMAND >= 0x28) && (request->COMMAND < 0x32))
    		{
    			EthernetStats (plc, ether_confirm->STATS);
    			continue;
    		}
    	}
    	return (0);
    }

    #endif

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