1 files changed, 0 insertions, 112 deletions
diff --git a/misc/zaptel/files/patch-ztdummy::ztdummy.c b/misc/zaptel/files/patch-ztdummy::ztdummy.c
deleted file mode 100644
index 908b8cdb4650..000000000000
--- a/misc/zaptel/files/patch-ztdummy::ztdummy.c
+++ /dev/null
@@ -1,112 +0,0 @@
---- ztdummy/ztdummy.c.orig	Mon Jul 30 15:11:25 2007
-+++ ztdummy/ztdummy.c	Mon Jul 30 15:11:32 2007
-@@ -22,6 +22,10 @@
-  * along with this program; if not, write to the Free Software
-  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-  *
-+ * Rewritten to use the time of day clock (which should be ntp synced
-+ * for this to work perfectly) by David G. Lawrence <dg@dglawrence.com>.
-+ * July 27th, 2007.
-+ *
-  */
- 
- #include <sys/cdefs.h>
-@@ -45,26 +49,82 @@
- 
- MALLOC_DEFINE(M_ZTD, "ztdummy", "ztdummy interface data structures");
- 
-+#ifndef timersub
-+#define timersub(tvp, uvp, vvp)                                         \
-+        do {                                                            \
-+                (vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;          \
-+                (vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;       \
-+                if ((vvp)->tv_usec < 0) {                               \
-+                        (vvp)->tv_sec--;                                \
-+                        (vvp)->tv_usec += 1000000;                      \
-+                }                                                       \
-+        } while (0)
-+#endif
- 
- static struct callout_handle ztdummy_timer_handle = CALLOUT_HANDLE_INITIALIZER(&ztdummy_timer_handle);
- 
- static struct ztdummy *ztd;
- 
- static int debug = 0;
-+static struct timeval basetime, curtime, sleeptime;
- 
- static __inline void ztdummy_timer(void* arg )
- {
--	int i,j;
-+	int i, ticks;
- 
--	j = max(1, 1000/hz);
--	
--	for(i=0; i < j; i++) {
-+loop:
-+	for (i = 0; i < hz / 100; i++) {
- 		zt_receive(&ztd->span);
- 		zt_transmit(&ztd->span);
- 	}
--	
--	ztdummy_timer_handle = timeout(ztdummy_timer, NULL, hz/1000);
- 
-+fixtime:
-+	microtime(&curtime);
-+
-+	/*
-+	 * Sleep until the next 10ms boundry.
-+	 */
-+	basetime.tv_usec += 10000;
-+	if (basetime.tv_usec >= 1000000) {
-+		basetime.tv_sec++;
-+		basetime.tv_usec -= 1000000;
-+	}
-+	timersub(&basetime, &curtime, &sleeptime);
-+
-+	/*
-+	 * Detect if we've gotten behind and need to start our processing
-+	 * immediately.
-+	 */
-+	if (sleeptime.tv_sec < 0 || sleeptime.tv_usec == 0) {
-+		/*
-+		 * Limit how far we can get behind to something reasonable (1 sec)
-+		 * so that we don't go nuts when something (ntp or admin) sets the
-+		 * clock forward by a large amount.
-+		 */
-+		if (sleeptime.tv_sec < -1) {
-+			basetime.tv_sec = curtime.tv_sec;
-+			basetime.tv_usec = curtime.tv_usec;
-+			goto fixtime;
-+		}
-+		goto loop;
-+	}
-+	/*
-+	 * Detect if something is messing with the system clock by
-+	 * checking that the sleep time is no more than 20ms and
-+	 * resetting our base time if it is. This case will occur if
-+	 * the system clock has been reset to an earlier time.
-+	 */
-+	if (sleeptime.tv_sec > 0 || sleeptime.tv_usec > 20000) {
-+		basetime.tv_sec = curtime.tv_sec;
-+		basetime.tv_usec = curtime.tv_usec;
-+		goto fixtime;
-+	}
-+
-+	ticks = sleeptime.tv_usec * hz / 1000000;
-+	if (ticks == 0)
-+		goto loop;
-+
-+	ztdummy_timer_handle = timeout(ztdummy_timer, NULL, ticks);
- }
- 
- static int ztdummy_initialize(struct ztdummy *ztd)
-@@ -102,7 +162,8 @@
- 		return -ENODEV;
- 	}
- 
--	ztdummy_timer_handle = timeout(ztdummy_timer, NULL, hz/1000);
-+	microtime(&basetime);
-+	ztdummy_timer_handle = timeout(ztdummy_timer, NULL, 1);
-     
- 	if (debug)
- 		printf("ztdummy: init() finished\n");