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79 lines
2.3 KiB
79 lines
2.3 KiB
/*
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* CM_TIMER.C - time code for cm module
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*/
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#include <ndis.h>
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//#include <ndismini.h>
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#include <ndiswan.h>
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#include <mytypes.h>
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#include <mydefs.h>
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#include <disp.h>
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#include <util.h>
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#include <opcodes.h>
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#include <adapter.h>
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#include <idd.h>
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#include <mtl.h>
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#include <cm.h>
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/* timer values defined here */
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#define T1 30 /* 30 seconds to leave connection transient state */
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#define T2 4 /* 4 seconds to activate permanent connection */
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/* timer tick entry point. called no faster then once a second! */
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INT
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cm__timer_tick(CM *cm)
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{
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ULONG n;
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BOOL disc_by_idle_timer = FALSE;
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/* check for dead-man time in transient state */
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if ( (cm->state == CM_ST_IN_SYNC) || (cm->state == CM_ST_IN_ACT) )
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{
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if ( (ut_time_now() - cm->timeout) > T1 )
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{
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disc_all:
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for ( n = 0 ; n < cm->dprof.chan_num ; n++ )
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if ( !cm->dprof.chan_tbl[n].gave_up )
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cm__disc_rq(cm->dprof.chan_tbl + n);
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return(cm__deactivate_conn(cm, disc_by_idle_timer));
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}
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}
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/* if active now, check for idle timers */
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if ( cm->state == CM_ST_ACTIVE )
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{
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if ( (cm->dprof.rx_idle_timer &&
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((ut_time_now() - cm->rx_last_frame_time) > cm->dprof.rx_idle_timer)) ||
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(cm->dprof.tx_idle_timer &&
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((ut_time_now() - cm->tx_last_frame_time) > cm->dprof.tx_idle_timer)) )
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{
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disc_by_idle_timer = TRUE;
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goto disc_all;
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}
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}
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/* check if connection has to activate as being permanent */
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if ( (cm->state == CM_ST_WAIT_ACT) && cm->dprof.permanent )
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{
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if ( (ut_time_now() - cm->timeout) > T2 )
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{
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cm->state = CM_ST_IN_ACT;
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cm->timeout = ut_time_now();
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return(cm__initiate_conn(cm));
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}
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}
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/* if in_sync, resend uus on channels requiring it */
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//
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// if we are stuck in sync state the resend uus on all channels requiring it
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// if we are in an ACTIVE state and the PPPToDKF Flag is set we need to send
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// uus until they acknowledged
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//
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if ( cm->state == CM_ST_IN_SYNC || (cm->state == CM_ST_ACTIVE && cm->PPPToDKF))
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for ( n = 0 ; n < cm->dprof.chan_num ; n++ )
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if ( cm->dprof.chan_tbl[n].ustate == CM_US_UUS_SEND )
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cm__tx_uus_pkt(cm->dprof.chan_tbl + n, CM_ASSOC_RQ, 0);
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}
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