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/*====================================================================*
*
* 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 Traffic1 (struct plc * plc);
*
* generate bi-directional traffic between a local device and all
* remote devices on a powerline network; remote devices need not
* be connected; no traffic is generated between remote devices;
*
* this function is similar to NetworkTraffic but takes less time
* since not all powerline paths are exercised and those that are
* can be exercised in parallel;
*
* this function is for INT6x00 chipsets only due to changes in chip
* design; use Traffic2 for AR7x00 chipsets;
*
*
* Contributor(s):
* Charles Maier
* Matthieu Poullet
*
*--------------------------------------------------------------------*/
#ifndef TRAFFIC1_SOURCE
#define TRAFFIC1_SOURCE
#include <memory.h>
#include <errno.h>
#include "../tools/memory.h"
#include "../tools/error.h"
#include "../tools/flags.h"
#include "../mme/mme.h"
#include "../plc/plc.h"
signed Traffic1 (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
byte bridgelist [255] [ETHER_ADDR_LEN];
unsigned bridges = LocalDevices (channel, message, bridgelist, sizeof (bridgelist));
while (bridges--)
{
byte devicelist [255] [ETHER_ADDR_LEN];
unsigned devices = 0;
memset (message, 0, sizeof (* message));
EthernetHeader (&request->ethernet, bridgelist [bridges], 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 (0, errno, CHANNEL_CANTSEND);
continue;
}
if (ReadMME (plc, 0, (VS_NW_INFO | MMTYPE_CNF)) <= 0)
{
error (0, errno, CHANNEL_CANTREAD);
continue;
}
memcpy (devicelist [devices++], request->ethernet.OSA, sizeof (devicelist [0]));
network = (struct network *)(&networks->networks);
while (networks->NUMAVLNS--)
{
station = (struct station *)(&network->stations);
while (network->NUMSTAS--)
{
memcpy (devicelist [devices++], station->MAC, sizeof (devicelist [0]));
station++;
}
network = (struct network *)(station);
}
while (devices-- > 1)
{
Transmit (plc, devicelist [0], devicelist [devices]);
Antiphon (plc, devicelist [devices], devicelist [0]);
}
}
return (0);
}
#endif
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