Add new type kernel module for pf (includes pflog, but not pfsync).

sys/modules/pf/Makefile

@@ -0,0 +1,23 @@
+# $NetBSD: Makefile,v 1.1 2010/04/12 14:05:38 ahoka Exp $
+
+.include "../Makefile.inc"
+
+.PATH:	${S}/dist/pf/net ${S}/dist/pf/netinet
+
+KMOD=   pf
+
+SRCS=	if_compat.c
+SRCS+=	if_pflog.c
+SRCS+=	pf.c
+SRCS+=	pf_if.c
+SRCS+=	pf_ioctl.c
+SRCS+=	pf_mtag.c
+SRCS+=	pf_norm.c
+SRCS+=	pf_osfp.c
+SRCS+=	pf_ruleset.c
+SRCS+=	pf_table.c
+SRCS+=	tcp_rndiss.c
+
+CPPFLAGS+=	-I${S}/dist/pf -I${S} -DINET6 -DINET
+
+.include <bsd.kmodule.mk>

sys/modules/pf/bpfilter.h

@@ -0,0 +1,2 @@
+/* $NetBSD: bpfilter.h,v 1.1 2010/04/12 14:05:38 ahoka Exp $ */
+#define NBPFILTER 1

sys/modules/pf/pf.h

@@ -0,0 +1,2 @@
+/* $NetBSD: pf.h,v 1.1 2010/04/12 14:05:38 ahoka Exp $ */
+#define NPF 1

sys/modules/pf/pflog.h

@@ -0,0 +1,2 @@
+/* $NetBSD: pflog.h,v 1.1 2010/04/12 14:05:38 ahoka Exp $ */
+#define NPFLOG 1

sys/modules/pf/pfsync.h

@@ -0,0 +1,2 @@
+/* $NetBSD: pfsync.h,v 1.1 2010/04/12 14:05:38 ahoka Exp $ */
+#define NPFSYNC 0