Add spl() protection to remove that the timer is invoked multiple

times resulting in higher bandwidth and lower delays.
Reported-by: Jamshid Madhavi

1 files changed, 5 insertions, 3 deletions

diff --git a/sys/netinet/ip_dummynet.c b/sys/netinet/ip_dummynet.c
index c097f7c..e1c45e8 100644
--- a/sys/netinet/ip_dummynet.c
+++ b/sys/netinet/ip_dummynet.c
@@ -10,7 +10,7 @@
  *
  * This software is provided ``AS IS'' without any warranties of any kind.
  *
- *	$Id: ip_dummynet.c,v 1.14 1999/05/04 16:20:30 luigi Exp $
+ *	$Id: ip_dummynet.c,v 1.15 1999/05/06 22:08:57 peter Exp $
  */
 
 /*
@@ -274,8 +274,10 @@ dummynet(void * __unused unused)
     /*
      * finally, if some queue has data, restart the timer.
      */
+    s = splimp();
     dn_idle = 1;
     dn_restart();
+    splx(s);
 }
 
 /*
@@ -373,9 +375,9 @@ dummynet_io(int pipe_nr, int dir,
     if (pipe->r.head == pkt) {       /* process immediately */
         dn_move(pipe, 1);
     }
-    splx(s);
     if (dn_idle)
 	dn_restart();
+    splx(s);
     return 0;
 }
 
@@ -603,7 +605,7 @@ ip_dn_ctl(struct sockopt *sopt)
 static void
 ip_dn_init(void)
 {
-    printf("DUMMYNET initialized (990504)\n");
+    printf("DUMMYNET initialized (990811)\n");
     all_pipes = NULL ;
     ip_dn_ctl_ptr = ip_dn_ctl;
 }