Author: cy
Date: Fri Sep 11 16:52:13 2015
New Revision: 287675
URL: https://svnweb.freebsd.org/changeset/base/287675
Log:
Revert ip_fil_freebsd.c -r287674. This should not have gone in yet.
Modified:
head/sys/contrib/ipfilter/netinet/ip_fil_freebsd.c
Modified: head/sys/contrib/ipfilter/netinet/ip_fil_freebsd.c
==============================================================================
--- head/sys/contrib/ipfilter/netinet/ip_fil_freebsd.c Fri Sep 11 16:49:52
2015 (r287674)
+++ head/sys/contrib/ipfilter/netinet/ip_fil_freebsd.c Fri Sep 11 16:52:13
2015 (r287675)
@@ -1104,18 +1104,6 @@ ipf_checkv4sum(fin)
return -1;
}
if (m->m_pkthdr.csum_flags & CSUM_DATA_VALID) {
- /* UDP may have zero checksum */
- if (fin->fin_p == IPPROTO_UDP && (fin->fin_flx &
(FI_FRAG|FI_SHORT|FI_BAD)) == 0) {
- udphdr_t *udp = fin->fin_dp;
- if (udp->uh_sum == 0) {
- /* we're good no matter what the hardware
checksum flags
- and csum_data say (handling of csum_data for
zero UDP
- checksum is not consistent across all
drivers) */
- fin->fin_cksum = 1;
- return 0;
- }
- }
-
if (m->m_pkthdr.csum_flags & CSUM_PSEUDO_HDR)
sum = m->m_pkthdr.csum_data;
else
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