/*====================================================================*
*
* 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.
*
*--------------------------------------------------------------------*/
/*====================================================================*"
*
* PLCHostBoot.c -
*
*
* Contributor(s):
* Charles Maier <cmaier@qca.qualcomm.com>
* Nathaniel Houghton <nhoughto@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
#ifndef PLCHOSTBOOT_SOURCE
#define PLCHOSTBOOT_SOURCE
#include <unistd.h>
#include <errno.h>
#include <sys/socket.h>
#include <sys/un.h>
#include "../tools/error.h"
#include "../tools/files.h"
#include "../tools/flags.h"
#include "../plc/plc.h"
#define MESSAGE "Starting PLC Host Server\n"
#define SOCKETNAME "/tmp/socket"
static bool done = false;
void terminate (signo_t signal)
{
done = true;
return;
}
static signed opensocket (char const * socketname)
{
signed fd;
struct sockaddr_un sockaddr_un =
{
#ifdef __OpenBSD__
0,
#endif
AF_UNIX,
"/tmp/socket"
};
strncpy (sockaddr_un.sun_path, socketname, sizeof (sockaddr_un.sun_path));
#ifdef __OpenBSD__
sockaddr_un.sun_len = SUN_LEN (&sockaddr_un);
#endif
if (unlink (sockaddr_un.sun_path))
{
if (errno != ENOENT)
{
error (1, errno, "%s", sockaddr_un.sun_path);
}
}
if ((fd = socket (AF_UNIX, SOCK_DGRAM, 0)) == -1)
{
error (1, errno, "%s", sockaddr_un.sun_path);
}
if (bind (fd, (struct sockaddr *)(&sockaddr_un), sizeof (sockaddr_un)) == -1)
{
error (1, errno, "%s", sockaddr_un.sun_path);
}
if (chmod (sockaddr_un.sun_path, 0666) == -1)
{
error (1, errno, "%s", sockaddr_un.sun_path);
}
return (fd);
}
/*====================================================================*
*
* signed PLCHostBoot (struct plc * plc, char const * socket, signed timer);
*
* int6k.h
*
* wait indefinitely for VS_HOST_ACTION messages; service the device
* only; it will stop dead - like a bug! - on error;
*
*
* Contributor(s):
* Charles Maier <cmaier@qca.qualcomm.com>
*
*--------------------------------------------------------------------*/
signed PLCHostBoot (struct plc * plc, char const * socket, unsigned timer)
{
byte buffer [3000];
struct plctopology * plctopology = (struct plctopology *)(buffer);
struct channel * channel = (struct channel *)(plc->channel);
struct message * message = (struct message *)(plc->message);
#ifndef __GNUC__
#pragma pack (push,1)
#endif
struct __packed vs_host_action_ind
{
struct ethernet_hdr ethernet;
struct qualcomm_hdr intellon;
uint8_t MACTION;
uint8_t MAJOR_VERSION;
uint8_t MINOR_VERSION;
}
* indicate = (struct vs_host_action_ind *) (message);
#ifndef __GNUC__
#pragma pack (pop)
#endif
signed fd = opensocket (socket);
char const * NVM = plc->NVM.name;
char const * PIB = plc->PIB.name;
unsigned action;
signed status;
memset (buffer, 0, sizeof (buffer));
write (fd, MESSAGE, strlen (MESSAGE));
while (!done)
{
status = ReadMME (plc, 0, (VS_HOST_ACTION | MMTYPE_IND));
if (status < 0)
{
break;
}
if (status < 1)
{
PLCTopology (channel, message, plctopology);
PLCTopologyPrint (plctopology);
continue;
}
action = indicate->MACTION;
memcpy (channel->peer, indicate->ethernet.OSA, sizeof (channel->peer));
if (HostActionResponse (plc))
{
return (-1);
}
if (action == 0x00)
{
if (BootDevice1 (plc))
{
return (-1);
}
if (_anyset (plc->flags, PLC_FLASH_DEVICE))
{
FlashDevice1 (plc);
}
continue;
}
if (action == 0x01)
{
close (plc->NVM.file);
if (ReadFirmware1 (plc))
{
return (-1);
}
if ((plc->NVM.file = open (plc->NVM.name = plc->nvm.name, O_BINARY|O_RDONLY)) == -1)
{
error (1, errno, "%s", plc->NVM.name);
}
if (ResetDevice (plc))
{
return (-1);
}
continue;
}
if (action == 0x02)
{
close (plc->PIB.file);
if (ReadParameters (plc))
{
return (-1);
}
if ((plc->PIB.file = open (plc->PIB.name = plc->pib.name, O_BINARY|O_RDONLY)) == -1)
{
error (1, errno, "%s", plc->PIB.name);
}
if (ResetDevice (plc))
{
return (-1);
}
continue;
}
if (action == 0x03)
{
close (plc->PIB.file);
if (ReadParameters (plc))
{
return (-1);
}
if ((plc->PIB.file = open (plc->PIB.name = plc->pib.name, O_BINARY|O_RDONLY)) == -1)
{
error (1, errno, "%s", plc->PIB.name);
}
close (plc->NVM.file);
if (ReadFirmware1 (plc))
{
return (-1);
}
if ((plc->NVM.file = open (plc->NVM.name = plc->nvm.name, O_BINARY|O_RDONLY)) == -1)
{
error (1, errno, "%s", plc->NVM.name);
}
if (ResetDevice (plc))
{
return (-1);
}
continue;
}
if (action == 0x04)
{
if (InitDevice (plc))
{
return (-1);
}
continue;
}
if (action == 0x05)
{
close (plc->NVM.file);
if ((plc->NVM.file = open (plc->NVM.name = NVM, O_BINARY|O_RDONLY)) == -1)
{
error (1, errno, "%s", plc->NVM.name);
}
close (plc->PIB.file);
if ((plc->PIB.file = open (plc->PIB.name = PIB, O_BINARY|O_RDONLY)) == -1)
{
error (1, errno, "%s", plc->PIB.name);
}
if (ResetDevice (plc))
{
return (-1);
}
continue;
}
if (action == 0x06)
{
close (plc->PIB.file);
if (ReadParameters (plc))
{
return (-1);
}
if ((plc->PIB.file = open (plc->PIB.name = plc->pib.name, O_BINARY|O_RDONLY)) == -1)
{
error (1, errno, "%s", plc->PIB.name);
}
continue;
}
error (0, ENOSYS, "Host Action 0x%02X", action);
}
close (fd);
return (0);
}
#endif