1 files changed, 97 insertions, 0 deletions
diff --git a/sys/dev/hfa/fore_timer.c b/sys/dev/hfa/fore_timer.c
new file mode 100644
index 0000000..e0d0c0e
--- /dev/null
+++ b/sys/dev/hfa/fore_timer.c
@@ -0,0 +1,97 @@
+/*
+ *
+ * ===================================
+ * HARP  |  Host ATM Research Platform
+ * ===================================
+ *
+ *
+ * This Host ATM Research Platform ("HARP") file (the "Software") is
+ * made available by Network Computing Services, Inc. ("NetworkCS")
+ * "AS IS".  NetworkCS does not provide maintenance, improvements or
+ * support of any kind.
+ *
+ * NETWORKCS MAKES NO WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED,
+ * INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE, AS TO ANY ELEMENT OF THE
+ * SOFTWARE OR ANY SUPPORT PROVIDED IN CONNECTION WITH THIS SOFTWARE.
+ * In no event shall NetworkCS be responsible for any damages, including
+ * but not limited to consequential damages, arising from or relating to
+ * any use of the Software or related support.
+ *
+ * Copyright 1994-1998 Network Computing Services, Inc.
+ *
+ * Copies of this Software may be made, however, the above copyright
+ * notice must be reproduced on all copies.
+ *
+ *	@(#) $Id: fore_timer.c,v 1.5 1997/05/06 22:10:24 mks Exp $
+ *
+ */
+
+/*
+ * FORE Systems 200-Series Adapter Support
+ * ---------------------------------------
+ *
+ * Timer processing
+ *
+ */
+
+#ifndef lint
+static char *RCSid = "@(#) $Id: fore_timer.c,v 1.5 1997/05/06 22:10:24 mks Exp $";
+#endif
+
+#include <dev/hfa/fore_include.h>
+
+
+/*
+ * Process a Fore timer tick
+ * 
+ * This function is called every FORE_TIME_TICK seconds in order to update
+ * all of the unit watchdog timers.  
+ *
+ * Called at splnet.
+ *
+ * Arguments:
+ *	tip	pointer to fore timer control block
+ *
+ * Returns:
+ *	none
+ *
+ */
+void
+fore_timeout(tip)
+	struct atm_time	*tip;
+{
+	Fore_unit	*fup;
+	int		i;
+
+
+	/*
+	 * Schedule next timeout
+	 */
+	atm_timeout(&fore_timer, ATM_HZ * FORE_TIME_TICK, fore_timeout);
+
+	/*
+	 * Run through all units, updating each active timer.
+	 * If an expired timer is found, notify that unit.
+	 */
+	for (i = 0; i < fore_nunits; i++) {
+
+		if ((fup = fore_units[i]) == NULL)
+			continue;
+
+		/*
+		 * Decrement timer, if it's active
+		 */
+		if (fup->fu_timer && (--fup->fu_timer == 0)) {
+
+			/*
+			 * Timeout occurred - go check out the queues
+			 */
+			ATM_DEBUG0("fore_timeout\n");
+			DEVICE_LOCK((Cmn_unit *)fup);
+			fore_watchdog(fup);
+			DEVICE_UNLOCK((Cmn_unit *)fup);
+		}
+	}
+}
+