Add trunk(4) module.

sys/modules/Makefile

@@ -113,6 +113,7 @@ SUBDIR=	${_3dfx} \
 	if_sl \
 	if_stf \
 	if_tap \
+	if_trunk \
 	if_tun \
 	if_vlan \
 	${_iir} \

sys/modules/if_trunk/Makefile

@@ -0,0 +1,19 @@
+# $FreeBSD$
+
+.include <bsd.own.mk>
+
+.PATH:	${.CURDIR}/../../net
+KMOD=	if_trunk
+SRCS=	if_trunk.c ieee8023ad_lacp.c opt_inet.h opt_inet6.h
+
+.if !defined(KERNBUILDDIR)
+opt_inet.h:
+	echo "#define INET 1" > ${.TARGET}
+
+.if ${MK_INET6_SUPPORT} != "no"
+opt_inet6.h:
+	echo "#define INET6 1" > ${.TARGET}
+.endif
+.endif
+
+.include <bsd.kmod.mk>