[src/trunk]: src/sys/dist/ipf/netinet fr_check_wrapper6: handle M_CSUM_TCPv6|...

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

details:   https://anonhg.NetBSD.org/src/rev/7ead7af07f03
branches:  trunk
changeset: 583551:7ead7af07f03
user:      yamt <yamt%NetBSD.org@localhost>
date:      Thu Aug 11 13:01:38 2005 +0000

description:
fr_check_wrapper6: handle M_CSUM_TCPv6|M_CSUM_UDPv6.

diffstat:

 sys/dist/ipf/netinet/ip_fil_netbsd.c |  18 +++++++++++++++++-
 1 files changed, 17 insertions(+), 1 deletions(-)

diffs (32 lines):

diff -r beea88a61a0b -r 7ead7af07f03 sys/dist/ipf/netinet/ip_fil_netbsd.c
--- a/sys/dist/ipf/netinet/ip_fil_netbsd.c      Thu Aug 11 13:01:24 2005 +0000
+++ b/sys/dist/ipf/netinet/ip_fil_netbsd.c      Thu Aug 11 13:01:38 2005 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ip_fil_netbsd.c,v 1.14 2005/05/29 21:57:49 christos Exp $      */
+/*     $NetBSD: ip_fil_netbsd.c,v 1.15 2005/08/11 13:01:38 yamt Exp $  */
 
 /*
  * Copyright (C) 1993-2003 by Darren Reed.
@@ -206,6 +206,22 @@
 struct ifnet *ifp;
 int dir;
 {
+#if defined(INET6)
+#if defined(M_CSUM_TCPv6)
+       /*
+        * If the packet is out-bound, we can't delay checksums
+        * here.  For in-bound, the checksum has already been
+        * validated.
+        */
+       if (dir == PFIL_OUT) {
+               if ((*mp)->m_pkthdr.csum_flags & (M_CSUM_TCPv6|M_CSUM_UDPv6)) {
+                       in6_delayed_cksum(*mp);
+                       (*mp)->m_pkthdr.csum_flags &=
+                           ~(M_CSUM_TCPv6|M_CSUM_UDPv6);
+               }
+       }
+#endif /* M_CSUM_TCPv6 */
+#endif /* INET6 */
 
        return (fr_check(mtod(*mp, struct ip *), sizeof(struct ip6_hdr),
            ifp, (dir == PFIL_OUT), mp));