/*====================================================================*
*
* 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.
*
*--------------------------------------------------------------------*/
/*====================================================================*
*
* coqos_man.c - Manage MCSMA streams
*
*
* Contributor(s):
* Bill Wike <bill.wike@qca.qualcomm.com>
* Nathaniel Houghton <nhoughto@qca.qualcomm.com>
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
/*====================================================================*"
* system header files;
*--------------------------------------------------------------------*/
#include <unistd.h>
#include <stdlib.h>
#include <stdint.h>
#include <limits.h>
/*====================================================================*
* custom header files;
*--------------------------------------------------------------------*/
#include "../tools/getoptv.h"
#include "../tools/putoptv.h"
#include "../tools/memory.h"
#include "../tools/number.h"
#include "../tools/symbol.h"
#include "../tools/types.h"
#include "../tools/flags.h"
#include "../tools/files.h"
#include "../tools/error.h"
#include "../plc/plc.h"
#include "../plc/coqos.h"
/*====================================================================*
* custom source files;
*--------------------------------------------------------------------*/
#ifndef MAKEFILE
#include "../tools/getoptv.c"
#include "../tools/putoptv.c"
#include "../tools/version.c"
#include "../tools/uintspec.c"
#include "../tools/hexdump.c"
#include "../tools/hexencode.c"
#include "../tools/hexdecode.c"
#include "../tools/todigit.c"
#include "../tools/typename.c"
#include "../tools/error.c"
#include "../tools/synonym.c"
#endif
#ifndef MAKEFILE
#include "../plc/Request.c"
#include "../plc/Confirm.c"
#include "../plc/Failure.c"
#include "../plc/Display.c"
#include "../plc/ReadMME.c"
#include "../plc/SendMME.c"
#include "../plc/Devices.c"
#endif
#ifndef MAKEFILE
#include "../ether/openchannel.c"
#include "../ether/closechannel.c"
#include "../ether/readpacket.c"
#include "../ether/sendpacket.c"
#include "../ether/channel.c"
#endif
#ifndef MAKEFILE
#include "../mme/MMECode.c"
#include "../mme/EthernetHeader.c"
#include "../mme/QualcommHeader.c"
#include "../mme/UnwantedMessage.c"
#endif
/*====================================================================*
*
* signed con_man (struct plc * plc, uint16_t TOT_BW_USED);
*
*
*
* Contributor(s):
* Bill Wike <bill.wike@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
signed con_man (struct plc * plc, uint16_t TOT_BW_USED)
{
struct channel * channel = (struct channel *)(plc->channel);
struct message * message = (struct message *)(plc->message);
#ifndef __GNUC__
#pragma pack (push,1)
#endif
struct __packed vs_con_info_req
{
struct ethernet_hdr ethernet;
struct qualcomm_hdr qualcomm;
uint8_t REQ_TYPE;
uint32_t RSVD;
uint16_t CSPEC_VER;
uint16_t CID;
uint16_t TOT_BW_USED;
}
* request = (struct vs_con_info_req *)(message);
struct __packed vs_con_info_cnf
{
struct ethernet_hdr ethernet;
struct qualcomm_hdr qualcomm;
uint8_t REQ_TYPE;
uint8_t MSTATUS;
uint16_t ERR_REC_CODE;
uint32_t RSVD;
uint8_t NUM_CONN;
struct conn_info CONN_INFO [64];
}
* confirm = (struct vs_con_info_cnf *)(message);
struct conn_info * conn_info =(struct conn_info*)(confirm->CONN_INFO);
struct vs_con_info_cnf *indicate = (struct vs_con_info_cnf *)(message);
struct __packed vs_mod_conn_req
{
struct ethernet_hdr ethernet;
struct qualcomm_hdr qualcomm;
uint32_t REQ_ID;
uint32_t RSVD;
uint16_t CID;
uint8_t MOD_CTRL;
}
* mc_request = (struct vs_mod_conn_req *)(message);
struct __packed vs_mod_conn_cnf
{
struct ethernet_hdr ethernet;
struct qualcomm_hdr qualcomm;
uint32_t REQ_ID;
uint8_t MSTATUS;
uint16_t ERR_REC_CODE;
uint32_t RSVD;
}
* mc_confirm = (struct vs_mod_conn_cnf *)(message);
#ifndef __GNUC__
#pragma pack (pop)
#endif
int i;
int bwused;
int lowest;
uint16_t lowcid;
while (1)
{
Request (plc, "COQOS connection information (requesting bandwidth notification)");
memset (message, 0, sizeof (* message));
EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type);
QualcommHeader (&request->qualcomm, 0, (VS_CONN_INFO | MMTYPE_REQ));
plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
request->REQ_TYPE = 0x04;
request->CID = 0x00;
request->CSPEC_VER = 0x01;
request->TOT_BW_USED = TOT_BW_USED;
if (SendMME (plc) <= 0)
{
error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
return (-1);
}
while (ReadMME (plc, 0, (VS_CONN_INFO | MMTYPE_CNF)) <= 0);
if (confirm->MSTATUS)
{
Failure (plc, "Could not set up bandwidth notification.");
}
else
{
Confirm (plc, "Set up bandwidth monitoring.");
break;
}
sleep (1);
}
while (1)
{
/*
* Wait for indications saying too much bandwidth is
* in use.
*/
while (ReadMME (plc, 0, (VS_CONN_INFO | MMTYPE_IND)) <= 0)
{
continue;
}
if (indicate->MSTATUS)
{
Failure (plc, "Connection Info Indicate error");
continue;
}
printf ("Number of Connections: %d\n", indicate->NUM_CONN);
conn_info = (struct conn_info *)(confirm->CONN_INFO);
bwused = 0;
lowest = conn_info->CONN_COQOS_PRIO;
lowcid = conn_info->CID;
for (i = 0; i < indicate->NUM_CONN; i++)
{
bwused += conn_info->BW_USED;
if (conn_info->CONN_COQOS_PRIO < lowest)
{
lowest = conn_info->CONN_COQOS_PRIO;
lowcid = conn_info->CID;
}
conn_info++;
}
printf ("Total bandwidth used: %d\n", bwused);
if (bwused <= TOT_BW_USED)
{
continue;
}
printf ("Bandwidth limit exceeded dropping: %04X\n", lowcid);
Request (plc, "COQOS Modify Connection (suspend)");
memset (message, 0, sizeof (* message));
EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type);
QualcommHeader (&request->qualcomm, 0, (VS_CONN_MOD | MMTYPE_REQ));
plc->packetsize = (ETHER_MIN_LEN - ETHER_CRC_LEN);
mc_request->MOD_CTRL = 0x00;
mc_request->CID = lowcid;
if (SendMME (plc) <= 0)
{
error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
return (-1);
}
while (ReadMME (plc, 0, (VS_CONN_MOD | MMTYPE_CNF)) <= 0);
if (mc_confirm->MSTATUS)
{
Failure (plc, "Could not suspend stream.");
continue;
}
printf ("Connection ID: %04X suspended\n", lowcid);
sleep (5);
/* flush out old data */
while (ReadMME (plc, 0, (VS_CONN_INFO | MMTYPE_IND)) > 0);
}
return (0);
}
/*====================================================================*
*
* int main (int argc, char const * argv[]);
*
*
*--------------------------------------------------------------------*/
int main (int argc, char const * argv [])
{
extern struct channel channel;
static char const * optv [] =
{
"ei:qv",
"limit [device] [...]",
"CoQos Stream Utility",
"e\tredirect stderr to stdout",
#if defined (WINPCAP) || defined (LIBPCAP)
"i n\thost interface is (n) [" LITERAL (CHANNEL_ETHNUMBER) "]",
#else
"i s\thost interface is (s) [" LITERAL (CHANNEL_ETHDEVICE) "]",
#endif
"q\tquiet mode",
"v\tverbose mode",
(char const *) (0)
};
#include "../plc/plc.c"
uint16_t limit;
signed c;
if (getenv (PLCDEVICE))
{
#if defined (WINPCAP) || defined (LIBPCAP)
channel.ifindex = atoi (getenv (PLCDEVICE));
#else
channel.ifname = strdup (getenv (PLCDEVICE));
#endif
}
optind = 1;
while ((c = getoptv (argc, argv, optv)) != -1)
{
switch (c)
{
case 'e':
dup2 (STDOUT_FILENO, STDERR_FILENO);
break;
case 'i':
#if defined (WINPCAP) || defined (LIBPCAP)
channel.ifindex = atoi (optarg);
#else
channel.ifname = optarg;
#endif
break;
case 'q':
_setbits (channel.flags, CHANNEL_SILENCE);
_setbits (plc.flags, PLC_SILENCE);
break;
case 'v':
_setbits (channel.flags, CHANNEL_VERBOSE);
_setbits (plc.flags, PLC_VERBOSE);
break;
default:
break;
}
}
argc -= optind;
argv += optind;
if (!argc)
{
error (1, ECANCELED, "No limit given");
}
limit = (uint16_t)(uintspec (* argv++, 10, 90000));
argc--;
openchannel (&channel);
if (!(plc.message = malloc (sizeof (* plc.message))))
{
error (1, errno, PLC_NOMEMORY);
}
if (!argc)
{
con_man (&plc, limit);
}
while ((argc) && (* argv))
{
if (!hexencode (channel.peer, sizeof (channel.peer), synonym (* argv, devices, SIZEOF (devices))))
{
error (1, errno, PLC_BAD_MAC, * argv);
}
con_man (&plc, limit);
argc--;
argv++;
}
free (plc.message);
closechannel (&channel);
exit (0);
}