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| author | suz <suz@FreeBSD.org> | 2004-04-01 13:48:23 +0000 |
|---|---|---|
| committer | suz <suz@FreeBSD.org> | 2004-04-01 13:48:23 +0000 |
| commit | d55178321122c344c353bb17a661cc40609f8d73 (patch) | |
| tree | a84c8c7fa5f177dbab865c215141d7ed8f88a9a4 /sys/netinet6 | |
| parent | 5b8456cb6f4a5c05036f4569afe00c8ede26e043 (diff) | |
| download | FreeBSD-src-d55178321122c344c353bb17a661cc40609f8d73.zip FreeBSD-src-d55178321122c344c353bb17a661cc40609f8d73.tar.gz | |
UDP checksum is mandatory in IPv6 (RFC2460 p.28)
Obtained from: KAME
Diffstat (limited to 'sys/netinet6')
| -rw-r--r-- | sys/netinet6/udp6_usrreq.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/sys/netinet6/udp6_usrreq.c b/sys/netinet6/udp6_usrreq.c index 4ab9b35..25bad0f 100644 --- a/sys/netinet6/udp6_usrreq.c +++ b/sys/netinet6/udp6_usrreq.c @@ -168,9 +168,11 @@ udp6_input(mp, offp, proto) /* * Checksum extended UDP header and data. */ - if (uh->uh_sum == 0) + if (uh->uh_sum == 0) { udpstat.udps_nosum++; - else if (in6_cksum(m, IPPROTO_UDP, off, ulen) != 0) { + goto bad; + } + if (in6_cksum(m, IPPROTO_UDP, off, ulen) != 0) { udpstat.udps_badsum++; goto bad; } |
