[src/trunk]: src/sys/netinet6 disable ipsec policy caching on pcb, as it seem...

[itojun <itojun%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/ec53a6c44c5f
branches:  trunk
changeset: 526774:ec53a6c44c5f
user:      itojun <itojun%NetBSD.org@localhost>
date:      Fri May 10 05:49:21 2002 +0000

description:
disable ipsec policy caching on pcb, as it seems that there's some reference-
counting mistake that causes panic - see PR 15953 and 13813.

i am unable to find the real cause of problem, so it is a shortterm workaround,
hopefully.

diffstat:

 sys/netinet6/ipsec.c |  12 ++++++++++--
 1 files changed, 10 insertions(+), 2 deletions(-)

diffs (54 lines):

diff -r 823098b4e88f -r ec53a6c44c5f sys/netinet6/ipsec.c
--- a/sys/netinet6/ipsec.c      Fri May 10 05:45:50 2002 +0000
+++ b/sys/netinet6/ipsec.c      Fri May 10 05:49:21 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ipsec.c,v 1.45 2002/05/10 05:38:29 itojun Exp $        */
+/*     $NetBSD: ipsec.c,v 1.46 2002/05/10 05:49:21 itojun Exp $        */
 /*     $KAME: ipsec.c,v 1.125 2001/09/12 23:01:16 sakane Exp $ */
 
 /*
@@ -35,7 +35,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipsec.c,v 1.45 2002/05/10 05:38:29 itojun Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ipsec.c,v 1.46 2002/05/10 05:49:21 itojun Exp $");
 
 #include "opt_inet.h"
 #include "opt_ipsec.h"
@@ -172,6 +172,9 @@
        struct inpcbpolicy *pcbsp;
        int dir;
 {
+#ifndef IPSEC_PCBCACHE
+       return NULL;
+#else
        struct secpolicyindex spidx;
 
        switch (dir) {
@@ -222,6 +225,7 @@
                printf("DP ipsec_checkpcbcache cause refcnt++:%d SP:%p\n",
                pcbsp->cache[dir]->refcnt, pcbsp->cache[dir]));
        return pcbsp->cache[dir];
+#endif
 }
 
 static int
@@ -232,6 +236,9 @@
        int dir;
 {
 
+#ifndef IPSEC_PCBCACHE
+       return EINVAL;
+#else
        switch (dir) {
        case IPSEC_DIR_INBOUND:
        case IPSEC_DIR_OUTBOUND:
@@ -260,6 +267,7 @@
        pcbsp->cachegen[dir] = sp_cachegen;
 
        return 0;
+#endif
 }
 
 static int