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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 ModuleSession (struct plc * plc, unsigned modules, struct vs_module_spec * vs_module_spec);
*
* Establish a module download session; the session expires after
* 30 minutes; the session is lost if no modules are committed in
* that time; the timeout is set to 10 seconds so that the device
* has enouth time to reply;
*
* array vs_module_spec contains information about each module in
* this session;
*
*
*--------------------------------------------------------------------*/
#ifndef MODULESESSION_SOURCE
#define MODULESESSION_SOURCE
#include "../tools/error.h"
#include "../plc/plc.h"
signed ModuleSession (struct plc * plc, unsigned modules, struct vs_module_spec * vs_module_spec)
{
struct channel * channel = (struct channel *)(plc->channel);
struct message * message = (struct message *)(plc->message);
#ifndef __GNUC__
#pragma pack (push,1)
#endif
struct __packed vs_module_operation_start_request
{
struct ethernet_hdr ethernet;
struct qualcomm_hdr qualcomm;
uint32_t RESERVED1;
uint8_t NUM_OP_DATA;
struct __packed
{
uint16_t MOD_OP;
uint16_t MOD_OP_DATA_LEN;
uint32_t MOD_OP_RSVD;
uint32_t MOD_OP_SESSION_ID;
uint8_t NUM_MODULES;
}
MODULE_SPEC;
struct vs_module_spec MOD_OP_SPEC [10];
}
* request = (struct vs_module_operation_start_request *)(message);
struct __packed vs_module_operation_start_confirm
{
struct ethernet_hdr ethernet;
struct qualcomm_hdr qualcomm;
uint16_t MSTATUS;
uint16_t ERR_REC_CODE;
uint32_t RESERVED;
uint8_t NUM_OP_DATA;
struct __packed
{
uint16_t MOD_OP;
uint16_t MOD_OP_DATA_LEN;
uint32_t MOD_OP_RSVD;
uint32_t MOD_OP_SESSION_ID;
uint8_t NUM_MODULES;
}
MODULE_SPEC;
struct __packed
{
uint16_t MOD_STATUS;
uint16_t ERR_REC_CODE;
}
MOD_OP_DATA [1];
}
* confirm = (struct vs_module_operation_start_confirm *)(message);
#ifndef __GNUC__
#pragma pack (pop)
#endif
unsigned timer = channel->timeout;
struct vs_module_spec * request_spec = (struct vs_module_spec *)(&request->MOD_OP_SPEC);
Request (plc, "Start Module Write Session");
memset (message, 0, sizeof (* message));
EthernetHeader (&request->ethernet, channel->peer, channel->host, channel->type);
QualcommHeader (&request->qualcomm, 0, (VS_MODULE_OPERATION | MMTYPE_REQ));
plc->packetsize = sizeof (* request);
request->NUM_OP_DATA = 1;
request->MODULE_SPEC.MOD_OP = HTOLE16 (PLC_MOD_OP_START_SESSION);
request->MODULE_SPEC.MOD_OP_DATA_LEN = HTOLE16 ((uint16_t)(sizeof (request->MODULE_SPEC)) + modules * sizeof (struct vs_module_spec));
request->MODULE_SPEC.MOD_OP_SESSION_ID = HTOLE32 (plc->cookie);
request->MODULE_SPEC.NUM_MODULES = modules;
while (modules--)
{
request_spec->MODULE_ID = HTOLE16 (vs_module_spec->MODULE_ID);
request_spec->MODULE_SUB_ID = HTOLE16 (vs_module_spec->MODULE_SUB_ID);
request_spec->MODULE_LENGTH = HTOLE32 (vs_module_spec->MODULE_LENGTH);
request_spec->MODULE_CHKSUM = vs_module_spec->MODULE_CHKSUM;
vs_module_spec++;
request_spec++;
}
if (SendMME (plc) <= 0)
{
error (PLC_EXIT (plc), errno, CHANNEL_CANTSEND);
return (-1);
}
channel->timeout = PLC_MODULE_REQUEST_TIMEOUT;
do {
if (ReadMME (plc, 0, (VS_MODULE_OPERATION | MMTYPE_CNF)) <= 0)
{
error (PLC_EXIT (plc), errno, CHANNEL_CANTREAD);
channel->timeout = timer;
return (-1);
}
} while (confirm->MODULE_SPEC.MOD_OP != HTOLE16 (PLC_MOD_OP_START_SESSION) ||
confirm->MODULE_SPEC.MOD_OP_SESSION_ID != HTOLE32 (plc->cookie));
channel->timeout = timer;
if (confirm->MSTATUS)
{
Failure (plc, PLC_WONTDOIT);
return (-1);
}
return (0);
}
#endif
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