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authorjlemon <jlemon@FreeBSD.org>2000-05-25 02:27:14 +0000
committerjlemon <jlemon@FreeBSD.org>2000-05-25 02:27:14 +0000
commitc7424ba4ea1cc29b26397bc475bd5932e7a9c7c0 (patch)
tree87c6ee8446e3c267129d72a39452f2d9aaf2e544
parent3040b8e8351eea54cb7e0173c96f40c89cbd9bc2 (diff)
downloadFreeBSD-src-c7424ba4ea1cc29b26397bc475bd5932e7a9c7c0.zip
FreeBSD-src-c7424ba4ea1cc29b26397bc475bd5932e7a9c7c0.tar.gz
Mark the checksum as complete when looping back multicast packets.
Submitted by: Jeff Gibbons <jgibbons@n2.net>
-rw-r--r--sys/netinet/ip_output.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/netinet/ip_output.c b/sys/netinet/ip_output.c
index 52db099..8faed58 100644
--- a/sys/netinet/ip_output.c
+++ b/sys/netinet/ip_output.c
@@ -1868,6 +1868,12 @@ ip_mloopback(ifp, m, dst, hlen)
copym->m_pkthdr.rcvif = ifp;
ip_input(copym);
#else
+ /* if the checksum hasn't been computed, mark it as valid */
+ if (copym->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {
+ copym->m_pkthdr.csum_flags |=
+ CSUM_DATA_VALID | CSUM_PSEUDO_HDR;
+ copym->m_pkthdr.csum_data = 0xffff;
+ }
if_simloop(ifp, copym, dst->sin_family, 0);
#endif
}
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