Author: ae
Date: Thu May 14 11:47:18 2015
New Revision: 282894
URL: https://svnweb.freebsd.org/changeset/base/282894
Log:
MFC r282578:
Mark data checksum as valid for multicast packets, that we send back
to myself via simloop.
Also remove duplicate check under #ifdef DIAGNOSTIC.
PR: 180065
Modified:
stable/10/sys/netinet6/ip6_output.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/sys/netinet6/ip6_output.c
==============================================================================
--- stable/10/sys/netinet6/ip6_output.c Thu May 14 11:37:36 2015
(r282893)
+++ stable/10/sys/netinet6/ip6_output.c Thu May 14 11:47:18 2015
(r282894)
@@ -2816,14 +2816,6 @@ ip6_mloopback(struct ifnet *ifp, struct
if (copym == NULL)
return;
}
-
-#ifdef DIAGNOSTIC
- if (copym->m_len < sizeof(*ip6)) {
- m_freem(copym);
- return;
- }
-#endif
-
ip6 = mtod(copym, struct ip6_hdr *);
/*
* clear embedded scope identifiers if necessary.
@@ -2831,7 +2823,11 @@ ip6_mloopback(struct ifnet *ifp, struct
*/
in6_clearscope(&ip6->ip6_src);
in6_clearscope(&ip6->ip6_dst);
-
+ if (copym->m_pkthdr.csum_flags & CSUM_DELAY_DATA_IPV6) {
+ copym->m_pkthdr.csum_flags |= CSUM_DATA_VALID_IPV6 |
+ CSUM_PSEUDO_HDR;
+ copym->m_pkthdr.csum_data = 0xffff;
+ }
(void)if_simloop(ifp, copym, dst->sin6_family, 0);
}
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