svn commit: r297014 - head/sys/netipsec

[Andrey V. Elsukov]

Author: ae
Date: Fri Mar 18 09:03:00 2016
New Revision: 297014
URL: https://svnweb.freebsd.org/changeset/base/297014

Log:
  Fix handling of net.inet.ipsec.dfbit=2 variable.
  IP_DF macro is in host bytes order, but ip_off field is in network bytes
  order. So, use htons() for correct check.

Modified:
  head/sys/netipsec/ipsec_output.c

Modified: head/sys/netipsec/ipsec_output.c
==============================================================================
--- head/sys/netipsec/ipsec_output.c	Fri Mar 18 08:47:17 2016	(r297013)
+++ head/sys/netipsec/ipsec_output.c	Fri Mar 18 09:03:00 2016	(r297014)
@@ -441,7 +441,7 @@ ipsec_encap(struct mbuf **mp, struct sec
 			setdf = V_ip4_ipsec_dfbit;
 			break;
 		default:/* propagate to outer header */
-			setdf = (ip->ip_off & ntohs(IP_DF)) != 0;
+			setdf = (ip->ip_off & htons(IP_DF)) != 0;
 		}
 		itos = ip->ip_tos;
 		break;