[2f1b930] | 1 | |
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| 2 | #include <rtems.h> |
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| 3 | #include "pppd.h" |
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| 4 | #include "rtemspppd.h" |
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| 5 | |
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| 6 | |
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| 7 | /* define pppd function prototypes */ |
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| 8 | extern void pppasyncattach(void); |
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| 9 | extern int pppdmain(int, char **); |
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| 10 | |
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| 11 | /* define global variables */ |
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| 12 | rtems_id rtems_pppd_taskid; |
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| 13 | |
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| 14 | |
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| 15 | static rtems_task pppTask(rtems_task_argument arg) |
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| 16 | { |
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| 17 | rtems_status_code sc = RTEMS_SUCCESSFUL; |
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| 18 | rtems_option options; |
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| 19 | rtems_event_set in; |
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| 20 | rtems_event_set out; |
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| 21 | |
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| 22 | /* call function to setup ppp line discipline */ |
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| 23 | pppasyncattach(); |
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| 24 | |
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| 25 | /* enter processing loop */ |
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| 26 | in = (RTEMS_EVENT_29 | RTEMS_EVENT_30); |
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| 27 | options = (RTEMS_EVENT_ANY | RTEMS_WAIT); |
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| 28 | while ( sc == RTEMS_SUCCESSFUL ) { |
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| 29 | /* wait for the next event */ |
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| 30 | sc = rtems_event_receive(in, options, RTEMS_NO_TIMEOUT, &out); |
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| 31 | if ( sc == RTEMS_SUCCESSFUL ) { |
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| 32 | /* determine which event was sent */ |
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| 33 | if ( out & RTEMS_EVENT_29 ) { |
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| 34 | /* terminate event received */ |
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| 35 | /* set value to break out of event loop */ |
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| 36 | sc = RTEMS_UNSATISFIED; |
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| 37 | } |
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| 38 | else if ( out & RTEMS_EVENT_30 ) { |
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| 39 | /* connect request */ |
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| 40 | /* execute the pppd main code */ |
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| 41 | pppdmain(0, NULL); |
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| 42 | } |
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| 43 | } |
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| 44 | } |
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| 45 | |
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| 46 | /* terminate myself */ |
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| 47 | rtems_task_delete(RTEMS_SELF); |
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| 48 | } |
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| 49 | |
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| 50 | int rtems_pppd_initialize(void) |
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| 51 | { |
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| 52 | int iReturn = (int)-1; |
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| 53 | rtems_status_code status; |
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| 54 | rtems_name taskName; |
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| 55 | |
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| 56 | taskName = rtems_build_name( 'p', 'p', 'p', 'd' ); |
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| 57 | status = rtems_task_create(taskName, |
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| 58 | RTEMS_PPPD_TASK_PRIORITY, |
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| 59 | RTEMS_PPPD_TASK_STACK_SIZE, |
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| 60 | RTEMS_PPPD_TASK_INITIAL_MODES, |
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| 61 | RTEMS_DEFAULT_ATTRIBUTES, |
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| 62 | &rtems_pppd_taskid); |
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| 63 | if ( status == RTEMS_SUCCESSFUL ) { |
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| 64 | status = rtems_task_start(rtems_pppd_taskid, pppTask, 0); |
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| 65 | if ( status == RTEMS_SUCCESSFUL ) { |
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| 66 | iReturn = rtems_pppd_reset_options(); |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | return ( iReturn ); |
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| 71 | } |
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| 72 | |
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| 73 | int rtems_pppd_terminate(void) |
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| 74 | { |
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| 75 | /* send terminate signal to pppd task */ |
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| 76 | rtems_event_send(rtems_pppd_taskid, RTEMS_EVENT_29); |
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| 77 | |
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| 78 | /* call the disconnect function */ |
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| 79 | rtems_pppd_disconnect(); |
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| 80 | |
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| 81 | return ( 0 ); |
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| 82 | } |
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| 83 | |
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| 84 | int rtems_pppd_reset_options(void) |
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| 85 | { |
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| 86 | int i; |
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| 87 | struct protent *protp; |
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| 88 | |
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| 89 | /* |
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| 90 | * Initialize to the standard option set, then parse, in order, |
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| 91 | * the system options file, the user's options file, |
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| 92 | * the tty's options file, and the command line arguments. |
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| 93 | */ |
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| 94 | for (i = 0; (protp = protocols[i]) != NULL; ++i) |
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| 95 | (*protp->init)(0); |
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| 96 | |
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| 97 | return ( 0 ); |
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| 98 | } |
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| 99 | |
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| 100 | int rtems_pppd_set_hook(int id, rtems_pppd_hookfunction hookfp) |
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| 101 | { |
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| 102 | int iReturn = (int)0; |
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| 103 | |
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| 104 | switch ( id ) { |
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| 105 | case RTEMS_PPPD_LINKUP_HOOK: |
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| 106 | auth_linkup_hook = hookfp; |
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| 107 | break; |
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| 108 | case RTEMS_PPPD_LINKDOWN_HOOK: |
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| 109 | auth_linkdown_hook = hookfp; |
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| 110 | break; |
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| 111 | case RTEMS_PPPD_IPUP_HOOK: |
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| 112 | ip_up_hook = hookfp; |
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| 113 | break; |
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| 114 | case RTEMS_PPPD_IPDOWN_HOOK: |
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| 115 | ip_down_hook = hookfp; |
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| 116 | break; |
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| 117 | default: |
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| 118 | iReturn = (int)-1; |
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| 119 | break; |
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| 120 | } |
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| 121 | |
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| 122 | return ( iReturn ); |
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| 123 | } |
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| 124 | |
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| 125 | int rtems_pppd_set_option(const char *pOption, const char *pValue) |
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| 126 | { |
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| 127 | int iReturn = (int)0; |
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| 128 | int prevPhase; |
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| 129 | struct wordlist option; |
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| 130 | struct wordlist value; |
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| 131 | |
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| 132 | if ( pOption != (const char *)0 ) { |
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| 133 | /* initialize the values */ |
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| 134 | option.word = (char *)pOption; |
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| 135 | option.next = (struct wordlist *)0; |
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| 136 | if ( pValue != (const char *)0 ) { |
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| 137 | option.next = &value; |
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| 138 | value.word = (char *)pValue; |
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| 139 | value.next = (struct wordlist *)0; |
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| 140 | } |
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| 141 | |
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| 142 | /* save current phase value */ |
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| 143 | prevPhase = phase; |
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| 144 | phase = PHASE_INITIALIZE; |
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| 145 | |
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| 146 | /* process option and reset phase value */ |
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| 147 | iReturn = options_from_list(&option, 1); |
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| 148 | phase = prevPhase; |
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| 149 | } |
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| 150 | |
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| 151 | return ( iReturn ); |
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| 152 | } |
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| 153 | |
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| 154 | int rtems_pppd_connect(void) |
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| 155 | { |
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| 156 | /* send connect signal to pppd task */ |
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| 157 | rtems_event_send(rtems_pppd_taskid, RTEMS_EVENT_30); |
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| 158 | |
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| 159 | return ( 0 ); |
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| 160 | } |
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| 161 | |
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| 162 | int rtems_pppd_disconnect(void) |
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| 163 | { |
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| 164 | /* set pppd global variables to disconnect */ |
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| 165 | persist = 0; |
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| 166 | kill_link = 1; |
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| 167 | |
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| 168 | /* send event to wake up the pppd code */ |
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| 169 | /* pretend its a serial interrput */ |
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| 170 | rtems_event_send(rtems_pppd_taskid, RTEMS_EVENT_31); |
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| 171 | |
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| 172 | return ( 0 ); |
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| 173 | } |
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