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Diffstat (limited to 'sys')
-rw-r--r--sys/netinet6/frag6.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/sys/netinet6/frag6.c b/sys/netinet6/frag6.c
index b0aa5fe6573e..df1f72285faf 100644
--- a/sys/netinet6/frag6.c
+++ b/sys/netinet6/frag6.c
@@ -528,6 +528,11 @@ insert:
af6 = ip6af->ip6af_down;
frag6_deq(ip6af);
while (af6 != (struct ip6asfrag *)q6) {
+ m->m_pkthdr.csum_flags &=
+ IP6_REASS_MBUF(af6)->m_pkthdr.csum_flags;
+ m->m_pkthdr.csum_data +=
+ IP6_REASS_MBUF(af6)->m_pkthdr.csum_data;
+
af6dwn = af6->ip6af_down;
frag6_deq(af6);
while (t->m_next)
@@ -538,6 +543,10 @@ insert:
af6 = af6dwn;
}
+ while (m->m_pkthdr.csum_data & 0xffff0000)
+ m->m_pkthdr.csum_data = (m->m_pkthdr.csum_data & 0xffff) +
+ (m->m_pkthdr.csum_data >> 16);
+
/* adjust offset to point where the original next header starts */
offset = ip6af->ip6af_offset - sizeof(struct ip6_frag);
free(ip6af, M_FTABLE);