just merged cosmetic changes from KAME to ease sync between KAME and FreeBSD.

(based on freebsd4-snap-20020128)

Reviewed by:	ume
MFC after:	1 week

1 files changed, 6 insertions, 7 deletions

diff --git a/sys/net/if_gif.c b/sys/net/if_gif.c
index aa8b96a..6af98ce 100644
--- a/sys/net/if_gif.c
+++ b/sys/net/if_gif.c
@@ -1,5 +1,5 @@
 /*	$FreeBSD$	*/
-/*	$KAME: if_gif.c,v 1.47 2001/05/01 05:28:42 itojun Exp $	*/
+/*	$KAME: if_gif.c,v 1.87 2001/10/19 08:50:27 itojun Exp $	*/
 
 /*
  * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
@@ -129,7 +129,7 @@ SYSCTL_NODE(_net_link, IFT_GIF, gif, CTLFLAG_RW, 0,
  * Since, setting a large value to this macro with a careless configuration
  * may introduce system crash, we don't allow any nestings by default.
  * If you need to configure nested gif tunnels, you can define this macro
- * in your kernel configuration file. However, if you do so, please be
+ * in your kernel configuration file.  However, if you do so, please be
  * careful to configure the tunnels so that it won't make a loop.
  */
 #define MAX_GIF_NEST 1
@@ -459,13 +459,12 @@ gif_input(m, af, gifp)
 	 * Put the packet to the network layer input queue according to the
 	 * specified address family.
 	 * Note: older versions of gif_input directly called network layer
-	 * input functions, e.g. ip6_input, here. We changed the policy to
+	 * input functions, e.g. ip6_input, here.  We changed the policy to
 	 * prevent too many recursive calls of such input functions, which
-	 * might cause kernel panic. But the change may introduce another
+	 * might cause kernel panic.  But the change may introduce another
 	 * problem; if the input queue is full, packets are discarded.
-	 * We believed it rarely occurs and changed the policy. If we find
-	 * it occurs more times than we thought, we may change the policy
-	 * again.
+	 * The kernel stack overflow really happened, and we believed
+	 * queue-full rarely occurs, so we changed the policy.
 	 */
 	switch (af) {
 #ifdef INET