diff --git a/sys/Makefile b/sys/Makefile
index e62c085b4a5c..e05016045833 100644
--- a/sys/Makefile
+++ b/sys/Makefile
@@ -1,67 +1,67 @@
 # Directories to include in cscope name file and TAGS.
 CSCOPEDIRS=	bsm cam cddl compat conf contrib crypto ddb dev fs gdb \
 		geom gnu isa kern libkern modules net net80211 \
-		netgraph netinet netinet6 netipsec netpfil \
+		netgraph netinet netinet6 netipsec netlink netpfil \
 		netsmb nfs nfsclient nfsserver nlm ofed opencrypto \
 		rpc security sys ufs vm xdr xen ${CSCOPE_ARCHDIR}
 .if !defined(CSCOPE_ARCHDIR)
 .if defined(ALL_ARCH)
 CSCOPE_ARCHDIR = amd64 arm arm64 i386 powerpc riscv x86
 .else
 CSCOPE_ARCHDIR = ${MACHINE}
 .if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
 CSCOPE_ARCHDIR += x86
 .endif
 .endif
 .endif
 
 HTAGSFLAGS+= -at `awk -F= '/^RELEASE *=/{release=$2}; END {print "FreeBSD", release, "kernel"}' < conf/newvers.sh`
 
 # You need the devel/cscope port for this.
 cscope: cscope.out
 cscope.out: ${.CURDIR}/cscope.files
 	cd ${.CURDIR}; cscope -k -buq -p4 -v
 
 ${.CURDIR}/cscope.files: .PHONY
 	cd ${.CURDIR}; \
 		find ${CSCOPEDIRS} -name "*.[chSsly]" -a -type f > ${.TARGET}
 
 cscope-clean:
 	cd ${.CURDIR}; \
 	    rm -f cscope.files cscope.out cscope.in.out cscope.po.out
 
 #
 # Installs SCM hooks to update the cscope database every time the source tree
 # is updated.
 # cscope understands incremental updates, so it's considerably faster when only
 # a few files have changed.
 #
 HG_DIR=${.CURDIR}/../.hg
 HG_HOOK=if [ \$$HG_ERROR -eq 0 ]; then cd sys && make -m ../share/mk cscope; fi
 cscope-hook:
 	@if [ -d ${HG_DIR} ]; then 					\
 		if [ "`grep hooks ${HG_DIR}/hgrc`" = "" ]; then		\
 			echo "[hooks]" >> ${HG_DIR}/hgrc;		\
 			echo "update = ${HG_HOOK}" >> ${HG_DIR}/hgrc;	\
 			echo "Hook installed in ${HG_DIR}/hgrc";	\
 		else 							\
 			echo "Mercurial update hook already exists.";	\
 		fi;							\
 	fi
 
 # You need the devel/global and one of editor/emacs* ports for that.
 TAGS ${.CURDIR}/TAGS: ${.CURDIR}/cscope.files
 	rm -f ${.CURDIR}/TAGS
 	cd ${.CURDIR}; xargs etags -a < ${.CURDIR}/cscope.files
 
 .if !(make(cscope) || make(cscope-clean) || make(cscope-hook) || make(TAGS))
 .include <src.opts.mk>
 
 # Loadable kernel modules
 
 .if defined(MODULES_WITH_WORLD)
 SUBDIR+=modules
 .endif
 
 .include <bsd.subdir.mk>
 .endif