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#include <rtems.h>
#include <rtems/rtems_bsdnet.h>
#include "pppd.h"
#include "rtemspppd.h"
/* define pppd function prototypes */
extern void pppasyncattach(void);
extern int pppdmain(int, char **);
/* define global variables */
rtems_id rtems_pppd_taskid;
rtems_pppd_hookfunction rtems_pppd_errorfp;
rtems_pppd_hookfunction rtems_pppd_exitfp;
static rtems_task pppTask(rtems_task_argument arg)
{
rtems_status_code sc = RTEMS_SUCCESSFUL;
rtems_option options;
rtems_event_set in;
rtems_event_set out;
int iStatus;
/* call function to setup ppp line discipline */
pppasyncattach();
/* enter processing loop */
in = (RTEMS_EVENT_29 | RTEMS_EVENT_30);
options = (RTEMS_EVENT_ANY | RTEMS_WAIT);
while ( sc == RTEMS_SUCCESSFUL ) {
/* wait for the next event */
sc = rtems_event_receive(in, options, RTEMS_NO_TIMEOUT, &out);
if ( sc == RTEMS_SUCCESSFUL ) {
/* determine which event was sent */
if ( out & RTEMS_EVENT_29 ) {
/* terminate event received */
/* set value to break out of event loop */
sc = RTEMS_UNSATISFIED;
}
else if ( out & RTEMS_EVENT_30 ) {
/* connect request */
/* execute the pppd main code */
iStatus = pppdmain(0, NULL);
if ( iStatus == EXIT_OK ) {
/* check exit callback */
if ( rtems_pppd_exitfp ) {
(*rtems_pppd_exitfp)();
}
}
else {
/* check error callback */
if ( rtems_pppd_errorfp ) {
(*rtems_pppd_errorfp)();
}
}
}
}
}
/* terminate myself */
rtems_pppd_taskid = 0;
rtems_task_delete(RTEMS_SELF);
}
int rtems_pppd_initialize(void)
{
int iReturn = (int)-1;
rtems_unsigned32 priority = 100;
rtems_status_code status;
rtems_name taskName;
/* determine priority value */
if ( rtems_bsdnet_config.network_task_priority ) {
priority = rtems_bsdnet_config.network_task_priority;
}
/* initialize the exit hook */
rtems_pppd_exitfp = (rtems_pppd_hookfunction)0;
/* create the rtems task */
taskName = rtems_build_name( 'p', 'p', 'p', 'd' );
status = rtems_task_create(taskName, priority, 8192,
(RTEMS_PREEMPT|RTEMS_NO_TIMESLICE|RTEMS_NO_ASR|RTEMS_INTERRUPT_LEVEL(0)),
RTEMS_NO_FLOATING_POINT|RTEMS_LOCAL,
&rtems_pppd_taskid);
if ( status == RTEMS_SUCCESSFUL ) {
status = rtems_task_start(rtems_pppd_taskid, pppTask, 0);
if ( status == RTEMS_SUCCESSFUL ) {
iReturn = rtems_pppd_reset_options();
}
}
return ( iReturn );
}
int rtems_pppd_terminate(void)
{
/* send terminate signal to pppd task */
rtems_event_send(rtems_pppd_taskid, RTEMS_EVENT_29);
/* call the disconnect function */
rtems_pppd_disconnect();
return ( 0 );
}
int rtems_pppd_reset_options(void)
{
int i;
struct protent *protp;
/*
* Initialize to the standard option set, then parse, in order,
* the system options file, the user's options file,
* the tty's options file, and the command line arguments.
*/
for (i = 0; (protp = protocols[i]) != NULL; ++i)
(*protp->init)(0);
return ( 0 );
}
int rtems_pppd_set_hook(int id, rtems_pppd_hookfunction hookfp)
{
int iReturn = (int)0;
switch ( id ) {
case RTEMS_PPPD_LINKUP_HOOK:
auth_linkup_hook = hookfp;
break;
case RTEMS_PPPD_LINKDOWN_HOOK:
auth_linkdown_hook = hookfp;
break;
case RTEMS_PPPD_IPUP_HOOK:
ip_up_hook = hookfp;
break;
case RTEMS_PPPD_IPDOWN_HOOK:
ip_down_hook = hookfp;
break;
case RTEMS_PPPD_ERROR_HOOK:
rtems_pppd_errorfp = hookfp;
break;
case RTEMS_PPPD_EXIT_HOOK:
rtems_pppd_exitfp = hookfp;
break;
default:
iReturn = (int)-1;
break;
}
return ( iReturn );
}
int rtems_pppd_set_dialer(rtems_pppd_dialerfunction dialerfp)
{
pppd_dialer = dialerfp;
return ( (int)0 );
}
int rtems_pppd_set_option(const char *pOption, const char *pValue)
{
int iReturn = (int)0;
int prevPhase;
struct wordlist option;
struct wordlist value;
if ( pOption != (const char *)0 ) {
/* initialize the values */
option.word = (char *)pOption;
option.next = (struct wordlist *)0;
if ( pValue != (const char *)0 ) {
option.next = &value;
value.word = (char *)pValue;
value.next = (struct wordlist *)0;
}
/* save current phase value */
prevPhase = phase;
phase = PHASE_INITIALIZE;
/* process option and reset phase value */
iReturn = options_from_list(&option, 1);
phase = prevPhase;
}
return ( iReturn );
}
int rtems_pppd_connect(void)
{
/* send connect signal to pppd task */
rtems_event_send(rtems_pppd_taskid, RTEMS_EVENT_30);
return ( 0 );
}
int rtems_pppd_disconnect(void)
{
/* set pppd global variables to disconnect */
persist = 0;
kill_link = 1;
/* send event to wake up the pppd code */
/* pretend its a serial interrput */
rtems_event_send(rtems_pppd_taskid, RTEMS_EVENT_31);
return ( 0 );
}
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