uint_32 PPP_initialize
(
_iopcb_handle device,
/* [IN] - I/O stream to use */
_ppp_handle _PTR_ handle
/* [OUT] - the PPP state structure */
)
{ /* Body */
#if RTCSCFG_ENABLE_IP4
PPP_CFG_PTR ppp_ptr;
uint_32 i, error;
/* Allocate the state structure */
ppp_ptr = PPP_memalloc(sizeof(PPP_CFG));
if (!ppp_ptr) {
return RTCSERR_PPP_ALLOC_FAILED;
} /* Endif */
/* Initialize it */
PPP_memzero(ppp_ptr, sizeof(PPP_CFG));
ppp_ptr->LINK_STATE = FALSE;
ppp_ptr->DEVICE = device;
for (i = 0; i < PPP_CALL_MAX; i++) {
ppp_ptr->LCP_CALL[i].CALLBACK = NULL;
ppp_ptr->LCP_CALL[i].PARAM = NULL;
} /* Endfor */
ppp_ptr->PROT_CALLS = NULL;
ppp_ptr->RECV_OPTIONS = &PPP_DEFAULT_OPTIONS;
ppp_ptr->SEND_OPTIONS = &PPP_DEFAULT_OPTIONS;
/* Initialize the lwsem */
if (PPP_mutex_init(&ppp_ptr->MUTEX)) {
return RTCSERR_PPP_INIT_MUTEX_FAILED;
} /* Endif */
/* Initialize LCP */
error = LCP_init(ppp_ptr);
if (error) {
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return error;
} /* Endif */
/* Initialize CCP */
error = CCP_init(ppp_ptr);
if (error) {
LCP_destroy(ppp_ptr);
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return error;
} /* Endif */
CCP_open(ppp_ptr);
/* Create a pool of message buffers */
ppp_ptr->MSG_POOL = RTCS_msgpool_create(sizeof(PPP_MESSAGE),
PPP_MESSAGE_INITCOUNT, PPP_MESSAGE_GROWTH, PPP_MESSAGE_LIMIT);
if (ppp_ptr->MSG_POOL == MSGPOOL_NULL_POOL_ID) {
CCP_destroy(ppp_ptr);
LCP_destroy(ppp_ptr);
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return RTCSERR_PPP_CREATE_PKT_POOL_FAILED;
} /* Endif */
/* Create the Tx Task */
error = RTCS_task_create("PPP tx", _PPPTASK_priority,
_PPPTASK_stacksize + 1000,
PPP_tx_task, ppp_ptr);
if (error) {
RTCS_msgpool_destroy(ppp_ptr->MSG_POOL);
CCP_destroy(ppp_ptr);
LCP_destroy(ppp_ptr);
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return error;
} /* Endif */
/* Create the Rx Task */
/* Set task ready for run */
ppp_ptr->STOP_RX = FALSE;
error = RTCS_task_create("PPP rx", _PPPTASK_priority,
_PPPTASK_stacksize + 1000,
PPP_rx_task, ppp_ptr);
if (error) {
RTCS_msgpool_destroy(ppp_ptr->MSG_POOL);
CCP_destroy(ppp_ptr);
LCP_destroy(ppp_ptr);
PPP_mutex_destroy(&ppp_ptr->MUTEX);
return error;
} /* Endif */
/* Return the handle */
ppp_ptr->VALID = PPP_VALID;
*handle = ppp_ptr;
return PPP_OK;
#else
return RTCSERR_IP_IS_DISABLED;
#endif /* RTCSCFG_ENABLE_IP4 */
} /* Endbody */
_ppp_handle PPP_init
(
PPP_PARAM_STRUCT* params
)
{ /* Body */
#if RTCSCFG_ENABLE_IP4
PPP_CFG_PTR ppp_ptr;
uint32_t error;
IPCP_DATA_STRUCT ipcp_data;
int stage = 0;
/* Allocate the state structure */
ppp_ptr = _mem_alloc_zero(sizeof(PPP_CFG));
if (!ppp_ptr)
{
return(NULL);
}
ppp_ptr->DEVICE_NAME = _mem_alloc_zero(strlen(params->device)+1);
if (ppp_ptr->DEVICE_NAME == NULL)
{
_mem_free(ppp_ptr);
return(NULL);
}
strcpy(ppp_ptr->DEVICE_NAME, params->device);
/* Stage 0 - Open low level device */
ppp_ptr->IOPCB_DEVICE = fopen(params->device, NULL);
if (ppp_ptr->IOPCB_DEVICE == NULL)
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
stage++;
/* Stage 1 - Initialize HDLC and lwsem */
ppp_ptr->DEVICE = _iopcb_ppphdlc_init(ppp_ptr->IOPCB_DEVICE);
if (ppp_ptr->DEVICE == NULL)
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
ppp_ptr->RECV_OPTIONS = &PPP_DEFAULT_OPTIONS;
ppp_ptr->SEND_OPTIONS = &PPP_DEFAULT_OPTIONS;
if (_lwsem_create(&ppp_ptr->MUTEX, 1))
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
stage++;
/* Stage 2 - Initialize LCP */
error = LCP_init(ppp_ptr);
if (error)
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
stage++;
/* Stage 3 - Initialize and open CCP */
/*
error = CCP_init(ppp_ptr);
if (error)
{
PPP_init_fail(ppp_ptr, stage);
return error;
}
CCP_open(ppp_ptr);
*/
stage++;
/* Stage 4 - Create a pool of message buffers */
ppp_ptr->MSG_POOL = RTCS_msgpool_create(sizeof(PPP_MESSAGE), PPP_MESSAGE_INITCOUNT, PPP_MESSAGE_GROWTH, PPP_MESSAGE_LIMIT);
if (ppp_ptr->MSG_POOL == MSGPOOL_NULL_POOL_ID)
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
stage++;
/* Stage 5 - Create the Tx Task */
error = RTCS_task_create("PPP tx", _PPPTASK_priority, _PPPTASK_stacksize + 1000, PPP_tx_task, ppp_ptr);
if (error)
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
stage++;
/* Stage 6 - Create the Rx Task */
ppp_ptr->STOP_RX = FALSE;
error = RTCS_task_create("PPP rx", _PPPTASK_priority, _PPPTASK_stacksize + 1000, PPP_rx_task, ppp_ptr);
if (error)
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
stage++;
/* Stage 7 - Open HDLC layer */
error = _iopcb_open(ppp_ptr->DEVICE, PPP_lowerup, PPP_lowerdown, ppp_ptr);
if (error != PPPHDLC_OK)
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
ppp_ptr->VALID = PPP_VALID;
stage++;
/* Stage 8 - Add PPP interface to RTCS */
error = RTCS_if_add(ppp_ptr, RTCS_IF_PPP, &ppp_ptr->IF_HANDLE);
if (error != RTCS_OK)
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
stage++;
/* Stage 9 - Bind IP address to PPP interface */
_mem_zero(&ipcp_data, sizeof(ipcp_data));
ipcp_data.IP_UP = params->up;
ipcp_data.IP_DOWN = params->down;
ipcp_data.IP_PARAM = params->callback_param;
if(params->listen_flag == 0)
{
ipcp_data.ACCEPT_LOCAL_ADDR = TRUE;
ipcp_data.ACCEPT_REMOTE_ADDR = TRUE;
}
else
{
ipcp_data.ACCEPT_LOCAL_ADDR = FALSE;
ipcp_data.ACCEPT_REMOTE_ADDR = FALSE;
}
ipcp_data.LOCAL_ADDR = params->local_addr;
ipcp_data.REMOTE_ADDR = params->remote_addr;
ipcp_data.DEFAULT_NETMASK = TRUE;
ipcp_data.DEFAULT_ROUTE = TRUE;
error = RTCS_if_bind_IPCP(ppp_ptr->IF_HANDLE, &ipcp_data);
if (error != RTCS_OK)
{
PPP_init_fail(ppp_ptr, stage);
return(NULL);
}
params->if_handle = ppp_ptr->IF_HANDLE;
stage++;
/* Stage 10 - Init complete, return handle */
return(ppp_ptr);
#else
return(NULL);
#endif /* RTCSCFG_ENABLE_IP4 */
} /* Endbody */
uint_32 RTCS_create
(
void
)
{ /* Body */
RTCS_DATA_PTR RTCS_data_ptr;
SOCKET_CONFIG_STRUCT_PTR socket_cfg_ptr;
uint_32 error;
/*
** Check and see if this is the first time we have initialized,
*/
if (RTCS_get_data() != NULL) {
return RTCSERR_INITIALIZED;
}
//
RTCS_data_ptr = RTCS_mem_alloc_system_zero(sizeof(RTCS_DATA));
if (RTCS_data_ptr == NULL) {
error = RTCSERR_OUT_OF_MEMORY;
} else {
_mem_set_type(RTCS_data_ptr, MEM_TYPE_RTCS_DATA);
RTCS_set_data(RTCS_data_ptr);
/*
** Initialize socket state
*/
socket_cfg_ptr = RTCS_mem_alloc_system_zero(sizeof(SOCKET_CONFIG_STRUCT));
if (socket_cfg_ptr == NULL) {
error = RTCSERR_OUT_OF_MEMORY;
} else {
_mem_set_type(socket_cfg_ptr, MEM_TYPE_SOCKET_CONFIG_STRUCT);
socket_cfg_ptr->INITIALIZED = TRUE;
socket_cfg_ptr->SOCKET_HEAD = NULL;
socket_cfg_ptr->SOCKET_TAIL = NULL;
RTCS_mutex_init(&socket_cfg_ptr->SOCK_MUTEX);
RTCS_setcfg(SOCKET, socket_cfg_ptr);
/*
** Initialize global data
*/
_IP_forward = FALSE;
_TCP_bypass_rx = FALSE;
_TCP_bypass_tx = FALSE;
RTCS_data_ptr->VERSION = RTCS_VERSION;
#if RTCSCFG_LOG_SOCKET_API||RTCSCFG_LOG_PCB
RTCS_data_ptr->RTCS_LOG_PROTCOUNT = RTCSLOG_PROT_MAX;
RTCSLOG_disable(RTCS_LOGCTRL_ALL);
#endif
RTCS_data_ptr->TCPIP_qid = RTCS_msgq_get_id(0,TCPIP_QUEUE);
/*
** Create a pool of buffers for use in communicating to the TCP/IP task.
*/
RTCS_data_ptr->TCPIP_msg_pool = RTCS_msgpool_create(sizeof(TCPIP_MESSAGE),
_RTCS_msgpool_init, _RTCS_msgpool_grow, _RTCS_msgpool_max);
if (RTCS_data_ptr->TCPIP_msg_pool == MSGPOOL_NULL_POOL_ID) {
RTCS_log_error( ERROR_TCPIP, RTCSERR_CREATE_POOL_FAILED, 0, 0, 0);
error = RTCSERR_CREATE_POOL_FAILED;
} else {
/*
** Create the socket partition
*/
RTCS_data_ptr->RTCS_socket_partition = RTCS_part_create(sizeof(SOCKET_STRUCT),
_RTCS_socket_part_init, _RTCS_socket_part_grow, _RTCS_socket_part_max, NULL, NULL);
if (RTCS_data_ptr->RTCS_socket_partition == 0) {
RTCS_log_error(ERROR_RTCS, RTCSERR_CREATE_PARTITION_FAILED, 0, 0, 0);
error = RTCSERR_CREATE_PARTITION_FAILED;
} else {
/*
** Create TCPIP task
*/
error = RTCS_task_create("TCP/IP", _RTCSTASK_priority, _RTCSTASK_stacksize, TCPIP_task, NULL);
if (error) {
RTCS_part_destroy(RTCS_data_ptr->RTCS_socket_partition);
}
}
if (error) {
RTCS_msgpool_destroy( RTCS_data_ptr->TCPIP_msg_pool );
}
}
if (error) {
RTCS_setcfg(SOCKET, NULL);
_mem_free(socket_cfg_ptr);
}
}
if (error) {
RTCS_set_data(NULL);
_mem_free(RTCS_data_ptr);
}
}
return error;
} /* Endbody */
