/*FUNCTION*------------------------------------------------
*
* Function Name: PPP_start
* Comments :
*
*
*END*-----------------------------------------------------*/
void PPP_start(void)
{
uint_32 error;
_rtcs_if_handle ihandle;
MQX_FILE_PTR pfile;
_iopcb_handle pio;
_ppp_handle phandle;
IPCP_DATA_STRUCT ipcp_data;
_PPP_PAP_RSECRETS = rsecrets; /* Require authentication, allow PAP */
_PPP_PAP_LSECRET = &lsecret; /* Allow peer to request PAP */
_PPP_CHAP_LNAME = localname; /* Needed by CHAP */
_PPP_CHAP_RSECRETS = rsecrets; /* Require authentication, allow CHAP */
_PPP_CHAP_LSECRETS = lsecrets; /* Allow peer to request CHAP */
/* Install a route for a default gateway */
RTCS_gate_add(GATE_ADDR, INADDR_ANY, INADDR_ANY);
pfile = fopen(PPP_DEVICE, NULL);
#ifdef PPP_DEVICE_DUN
_io_dun_install("dun:");
pfile = fopen("dun:", (char_ptr)pfile);
#endif
pio = _iopcb_ppphdlc_init(pfile);
_PPP_ACCM = 0;
error = PPP_initialize(pio, &phandle);
if (error) {
printf("\nPPP initialize: %lx", error);
_task_block();
} /* Endif */
_iopcb_open(pio, PPP_lowerup, PPP_lowerdown, phandle);
error = RTCS_if_add(phandle, RTCS_IF_PPP, &ihandle);
if (error) {
printf("\nIF add failed, error = %lx", error);
_task_block();
} /* Endif */
_lwsem_create(&ppp_sem, 0);
_mem_zero(&ipcp_data, sizeof(ipcp_data));
ipcp_data.IP_UP = PPP_linkup;
ipcp_data.IP_DOWN = NULL;
ipcp_data.IP_PARAM = &ppp_sem;
ipcp_data.ACCEPT_LOCAL_ADDR = FALSE;
ipcp_data.ACCEPT_REMOTE_ADDR = FALSE;
ipcp_data.LOCAL_ADDR = PPP_LOCADDR;
ipcp_data.REMOTE_ADDR = PPP_PEERADDR;
ipcp_data.DEFAULT_NETMASK = TRUE;
ipcp_data.DEFAULT_ROUTE = TRUE;
error = RTCS_if_bind_IPCP(ihandle, &ipcp_data);
if (error) {
printf("\nIF bind failed, error = %lx", error);
_task_block();
} /* Endif */
printf("\nPlease initiate PPP connection. Waiting...");
_lwsem_wait(&ppp_sem);
printf("\nPPP device %s bound to %d.%d.%d.%d", PPP_DEVICE, IPBYTES(ipcp_data.LOCAL_ADDR));
}
/*FUNCTION*-------------------------------------------------------------
*
* Function Name : PPP_resume
* Returned Value : RTCS_OK
* Comments :
* Resume PPP FSM and open HDLC layer.
*
*END*-----------------------------------------------------------------*/
uint32_t PPP_resume(_ppp_handle handle)
{
#if RTCSCFG_ENABLE_IP4
PPP_CFG_PTR ppp_ptr = handle;
uint32_t error = RTCS_OK;
/* Reopen low-level device */
ppp_ptr->IOPCB_DEVICE = fopen(ppp_ptr->DEVICE_NAME, NULL);
/* Open HDLC and resume PPP FSM */
_iopcb_open(ppp_ptr->DEVICE, PPP_lowerup, PPP_lowerdown, ppp_ptr);
error = RTCS_task_create("PPP rx", _PPPTASK_priority, _PPPTASK_stacksize + 1000, PPP_rx_task, ppp_ptr);
return(error);
#else
return RTCSERR_IP_IS_DISABLED;
#endif
}
_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 */
/*FUNCTION*------------------------------------------------
*
* Function Name: shell_ppp_start()
* Comments :
* This function start PPP communication and try to establish PPP connection.
*END*-----------------------------------------------------*/
void shell_ppp_start(SHELL_PPP_LINK_PTR ppp_current)
{
uint_32 error;
_ip_address local_address;
_ip_address peer_address=0;
IPCP_DATA_STRUCT ipcp_data;
/* This is configuration for PAP. */
char* localname = ppp_current->LOCAL_NAME;
char* localsecret = ppp_current->LOCAL_PASSWORD;
PPP_SECRET lsecret;
if(default_ppp.SERVER_FLAG==0)
{ /* Setup PAP for client mode.*/
lsecret.PPP_ID_LENGTH = strlen(localname);
lsecret.PPP_PW_LENGTH = strlen(localsecret);
lsecret.PPP_ID_PTR = localname;
lsecret.PPP_PW_PTR = localsecret;
_PPP_PAP_LSECRET = &lsecret; /* lsecrets */
_PPP_PAP_RSECRETS = NULL; /* rsecrets */
_PPP_CHAP_LNAME = NULL; /* localname */
_PPP_CHAP_LSECRETS = NULL; /* lsecrets */
_PPP_CHAP_RSECRETS = NULL; /* rsecrets */
}
else if(default_ppp.SERVER_FLAG==1)
{ /* Setup PAP for server mode.*/
_PPP_PAP_LSECRET = NULL; /* lsecrets */
_PPP_PAP_RSECRETS = ppp_current->rsecrets; /* rsecrets */
_PPP_CHAP_LNAME = NULL; /* localname */
_PPP_CHAP_LSECRETS = NULL; /* lsecrets */
_PPP_CHAP_RSECRETS = NULL; /* rsecrets */
}
else
{
ppp_current->PPP_HANDLE = NULL;
return;
}
/* Install a route for a default gateway */
RTCS_gate_add(ppp_current->PPP_GATE_ADDR, INADDR_ANY, INADDR_ANY);
ppp_current->PPP_IO_DRIVER_HANDLE = _iopcb_ppphdlc_init(ppp_current->PPP_DEV_HANDLE);
_PPP_ACCM = 0;
error = PPP_initialize(ppp_current->PPP_IO_DRIVER_HANDLE, &ppp_current->PPP_HANDLE);
if (error)
{
printf("\n PPP initialize: %lx", error);
_task_block();
}
_iopcb_open(ppp_current->PPP_IO_DRIVER_HANDLE, PPP_lowerup, PPP_lowerdown,ppp_current->PPP_HANDLE);
error = RTCS_if_add(ppp_current->PPP_HANDLE, RTCS_IF_PPP, &ppp_current->PPP_IF_HANDLE);
if (error)
{
printf("\n IF add failed, error = %lx", error);
_task_block();
}
_lwsem_create(&ppp_current->PPP_SEM, 0);
_mem_zero(&ipcp_data, sizeof(ipcp_data));
ipcp_data.IP_UP = PPP_linkup;
ipcp_data.IP_DOWN = PPP_linkdown;
ipcp_data.IP_PARAM = &ppp_current->PPP_SEM;
if(default_ppp.SERVER_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 = ppp_current->PPP_LOCAL_ADDRESS;
ipcp_data.REMOTE_ADDR = ppp_current->PPP_REMOTE_ADDRESS;
ipcp_data.DEFAULT_NETMASK = TRUE;
ipcp_data.DEFAULT_ROUTE = TRUE;
error = RTCS_if_bind_IPCP(ppp_current->PPP_IF_HANDLE, &ipcp_data);
if (error)
{
printf("\n IF bind failed, error = %lx", error);
_task_block();
}
/*In case "client" we need wait for connection to server*/
if(default_ppp.SERVER_FLAG==0)
{
printf("\n Please wait initiate PPP connection. Waiting...\n");
/*Handshake with RAS server */
/* 10 attempts to connect */
error = 0;
while (error < 10)
{
if (PPP_link == FALSE)
{
_time_delay(1000);
}
else
{
printf("\n PPP_link = %d, time = %d\n",PPP_link,error);
break;
}
error ++;
}
if (PPP_link == TRUE)
{
local_address = IPCP_get_local_addr(ppp_current->PPP_IF_HANDLE);
peer_address = IPCP_get_peer_addr(ppp_current->PPP_IF_HANDLE);
printf("\n PPP device on %s is bound on.\n", ppp_current->PPP_CONNECTION_DEVICE );
printf(" PPP local address is : %d.%d.%d.%d\n", IPBYTES(local_address));
printf(" PPP remote address is : %d.%d.%d.%d\n", IPBYTES(peer_address));
printf(" Now PPP connection is established on %d.%d.%d.%d\n", IPBYTES(peer_address));
}
else
{
if(ppp_current->PPP_HANDLE)
{
/* clean up all PPP structure */
error = PPP_shutdown(ppp_current->PPP_HANDLE);
}
ppp_current->PPP_HANDLE = NULL;
/* We shoul remove route to clear part block. */
RTCS_gate_remove(ppp_current->PPP_GATE_ADDR, INADDR_ANY, INADDR_ANY);
}
}
else
{
/* In case of "server" we do not need wait at all. */
printf("\n PPP server ready and waiting for connection.\n");
}
}
