From e611b132f9b8abe35b362e5870b74bce94a1e58e Mon Sep 17 00:00:00 2001
From: Adam <you@example.com>
Date: Sat, 16 May 2020 20:51:50 -0700
Subject: initial commit

---
 private/ntos/ndis/digi/pcimac/cm_timer.c | 78 ++++++++++++++++++++++++++++++++
 1 file changed, 78 insertions(+)
 create mode 100644 private/ntos/ndis/digi/pcimac/cm_timer.c

(limited to 'private/ntos/ndis/digi/pcimac/cm_timer.c')

diff --git a/private/ntos/ndis/digi/pcimac/cm_timer.c b/private/ntos/ndis/digi/pcimac/cm_timer.c
new file mode 100644
index 000000000..20ce83bd0
--- /dev/null
+++ b/private/ntos/ndis/digi/pcimac/cm_timer.c
@@ -0,0 +1,78 @@
+/*
+ * CM_TIMER.C - time code for cm module
+ */
+
+#include	<ndis.h>
+#include	<ndiswan.h>
+#include	<mytypes.h>
+#include	<mydefs.h>
+#include	<disp.h>
+#include	<util.h>
+#include	<opcodes.h>
+#include	<adapter.h>
+#include	<idd.h>
+#include    <mtl.h>
+#include	<cm.h>
+
+/* timer values defined here */
+#define     T1      30  /* 30 seconds to leave connection transient state */
+#define     T2      4   /* 4 seconds to activate permanent connection */
+
+/* timer tick entry point. called no faster then once a second! */
+INT
+cm__timer_tick(CM *cm)
+{
+    ULONG   n;
+    BOOL    disc_by_idle_timer = FALSE;
+
+    /* check for dead-man time in transient state */
+    if ( (cm->state == CM_ST_IN_SYNC) || (cm->state == CM_ST_IN_ACT) )
+    {
+        if ( (ut_time_now() - cm->timeout) > T1 )
+        {
+            disc_all:
+            for ( n = 0 ; n < cm->dprof.chan_num ; n++ )
+                if ( !cm->dprof.chan_tbl[n].gave_up )
+                    cm__disc_rq(cm->dprof.chan_tbl + n);
+
+            return(cm__deactivate_conn(cm, disc_by_idle_timer));
+        }
+    }
+
+    /* if active now, check for idle timers */
+    if ( cm->state == CM_ST_ACTIVE )
+    {
+        if ( (cm->dprof.rx_idle_timer &&
+              ((ut_time_now() - cm->rx_last_frame_time) > cm->dprof.rx_idle_timer)) ||
+             (cm->dprof.tx_idle_timer &&
+              ((ut_time_now() - cm->tx_last_frame_time) > cm->dprof.tx_idle_timer)) )
+        {
+            disc_by_idle_timer = TRUE;
+            goto disc_all;
+		}
+    }
+
+    /* check if connection has to activate as being permanent */
+    if ( (cm->state == CM_ST_WAIT_ACT) && cm->dprof.permanent )
+    {
+        if ( (ut_time_now() - cm->timeout) > T2 )
+        {
+            cm->state = CM_ST_IN_ACT;
+            cm->timeout = ut_time_now();
+            return(cm__initiate_conn(cm));
+        }
+    }
+
+    /* if in_sync, resend uus on channels requiring it */
+	//
+	// if we are stuck in sync state the resend uus on all channels requiring it
+	// if we are in an ACTIVE state and the PPPToDKF Flag is set we need to send
+	// uus until they acknowledged
+	//
+    if ( cm->state == CM_ST_IN_SYNC || (cm->state == CM_ST_ACTIVE && cm->PPPToDKF))
+        for ( n = 0 ; n < cm->dprof.chan_num ; n++ )
+            if ( cm->dprof.chan_tbl[n].ustate == CM_US_UUS_SEND )
+                cm__tx_uus_pkt(cm->dprof.chan_tbl + n, CM_ASSOC_RQ, 0);
+}
+
+
-- 
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