svn commit: r294703 - head/sys/dev/hyperv/netvsc
Sepherosa Ziehau
sephe at FreeBSD.org
Mon Jan 25 05:25:41 UTC 2016
Author: sephe
Date: Mon Jan 25 05:25:39 2016
New Revision: 294703
URL: https://svnweb.freebsd.org/changeset/base/294703
Log:
hyperv/hn: Trust host TCP segment checksum verification by default.
According to all available information, VMSWITCH always does the
TCP segment checksum verification before sending the segment to
guest.
Reviewed by: adrian, delphij, Hongjiang Zhang <honzhan microsoft com>
Approved by: adrian (mentor)
Sponsored by: Microsoft OSTC
Differential Revision: https://reviews.freebsd.org/D4991
Modified:
head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c
==============================================================================
--- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Mon Jan 25 05:18:57 2016 (r294702)
+++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Mon Jan 25 05:25:39 2016 (r294703)
@@ -206,7 +206,7 @@ struct hn_txdesc {
int hv_promisc_mode = 0; /* normal mode by default */
/* Trust tcp segements verification on host side. */
-static int hn_trust_hosttcp = 0;
+static int hn_trust_hosttcp = 1;
TUNABLE_INT("dev.hn.trust_hosttcp", &hn_trust_hosttcp);
#if __FreeBSD_version >= 1100045
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