xref: /f-stack/lib/Makefile (revision e2e96b59) 
1#
2# Copyright (c) 2013 Patrick Kelsey. All rights reserved.
3# Copyright (C) 2017-2021 THL A29 Limited, a Tencent company.
4# All rights reserved.
5#
6# Derived in part from libuinet's Makefile.
7#
8# Derived from FreeBSD auto-generated kernel Makefile and
9# machine-specific Makefile templates
10#
11
12TOPDIR?=${CURDIR}/..
13S=${TOPDIR}/freebsd
14C=${TOPDIR}/freebsd/contrib/ck/include
15MACHINE_INCLUDES_ROOT:=${CURDIR}/machine_include
16OVERRIDE_INCLUDES_ROOT:=${CURDIR}/include
17X86_INCLUDES=0
18PREFIX=/usr/local
19PREFIX_LIB=${PREFIX}/lib
20PREFIX_INCLUDE=/usr/local/include
21PREFIX_BIN=/usr/local/bin
22F-STACK_CONF=/etc/f-stack.conf
23F-STACK_VERSION=1.22
24
25HOST_OS:=$(shell uname -s)
26
27DEBUG=-O0 -gdwarf-2 -g3 -Wno-format-truncation
28
29FF_KNI=1
30
31#FF_FLOW_ISOLATE=1
32
33# NETGRAPH drivers ipfw
34#FF_NETGRAPH=1
35#FF_IPFW=1
36
37#FF_USE_PAGE_ARRAY=1
38
39FF_INET6=1
40
41# TCPHPTS drivers rack and bbr
42FF_TCPHPTS=1
43FF_EXTRA_TCP_STACKS=1
44
45include ${TOPDIR}/mk/kern.pre.mk
46
47ifneq ($(shell pkg-config --exists libdpdk && echo 0),0)
48$(error "no installation of DPDK found, maybe you shuld export environment variable `PKG_CONFIG_PATH`")
49endif
50
51PKGCONF ?= pkg-config
52
53DPDK_CFLAGS= -Wall -Wno-deprecated-declarations -Werror $(shell $(PKGCONF) --cflags libdpdk)
54
55KERNPREINCLUDES:= ${INCLUDES}
56INCLUDES= -I${OVERRIDE_INCLUDES_ROOT} ${KERNPREINCLUDES}
57INCLUDES+= -I./machine_include
58INCLUDES+= -I./opt
59
60# Include search path for files that only include host OS headers
61HOST_INCLUDES= -I.
62ifndef DEBUG
63HOST_CFLAGS = -O2 -frename-registers  -funswitch-loops -fweb -Wno-format-truncation
64else
65HOST_CFLAGS = ${DEBUG}
66endif
67
68ifdef FF_KNI
69HOST_CFLAGS+= -DFF_KNI
70endif
71
72HOST_CFLAGS+= ${DPDK_CFLAGS}
73HOST_CFLAGS+= ${CONF_CFLAGS}
74
75ifdef FF_FLOW_ISOLATE
76HOST_CFLAGS+= -DFF_FLOW_ISOLATE
77endif
78
79ifdef FF_NETGRAPH
80HOST_CFLAGS+= -DFF_NETGRAPH
81endif
82
83ifdef FF_IPFW
84HOST_CFLAGS+= -DFF_IPFW
85endif
86
87ifdef FF_USE_PAGE_ARRAY
88HOST_CFLAGS+= -DFF_USE_PAGE_ARRAY
89endif
90
91HOST_CFLAGS+= -DINET
92CFLAGS+= -DINET
93
94ifdef FF_INET6
95HOST_CFLAGS+= -DINET6
96CFLAGS+= -DINET6
97endif
98
99ifdef FF_TCPHPTS
100CFLAGS+= -DTCPHPTS -DRATELIMIT
101endif
102
103HOST_C= ${CC} -c $(HOST_CFLAGS) ${HOST_INCLUDES} ${WERROR} ${PROF} $<
104
105
106ifneq ($(filter amd64 i386,${MACHINE_CPUARCH}),)
107X86_INCLUDES=1
108endif
109
110
111#
112# Distilled from FreeBSD src/sys/conf/Makefile.amd64
113#
114ifeq (${MACHINE_CPUARCH},amd64)
115endif
116
117#
118# Distilled from FreeBSD src/sys/conf/Makefile.arm
119#
120ifeq (${MACHINE_CPUARCH},arm)
121
122ifneq (${COMPILER_TYPE},clang)
123CFLAGS += -mno-thumb-interwork
124endif
125
126endif
127
128#
129# fix the MACHINE_CPUARCH to match the FreeBSD directory name
130#
131ifeq (${MACHINE_CPUARCH},aarch64)
132MACHINE_CPUARCH=arm64
133endif
134
135
136#
137# Distilled from FreeBSD src/sys/conf/Makefile.i386
138#
139ifeq (${MACHINE_CPUARCH},i386)
140MACHINE=i386
141endif
142
143
144#
145# Distilled from FreeBSD src/sys/conf/Makefile.mips
146#
147ifeq (${MACHINE_CPUARCH},mips)
148
149# We default to the MIPS32 ISA, if none specified in the
150# kernel configuration file.
151ARCH_FLAGS?=-march=mips32
152
153HACK_EXTRA_FLAGS=-shared
154
155CFLAGS+=${EXTRA_FLAGS} $(ARCH_FLAGS)
156HACK_EXTRA_FLAGS+=${EXTRA_FLAGS} $(ARCH_FLAGS)
157endif
158
159CFLAGS+= -DFSTACK
160
161# add for LVS tcp option toa, disabled by default
162# CFLAGS+= -DLVS_TCPOPT_TOA
163
164VPATH+= $S/${MACHINE_CPUARCH}/${MACHINE_CPUARCH}
165VPATH+= $S/kern
166VPATH+= $S/x86
167VPATH+= $S/crypto
168VPATH+= $S/crypto/aesni
169VPATH+= $S/crypto/blowfish
170VPATH+= $S/crypto/camellia
171VPATH+= $S/crypto/des
172VPATH+= $S/crypto/rijndael
173VPATH+= $S/crypto/sha2
174VPATH+= $S/crypto/siphash
175VPATH+= $S/net
176VPATH+= $S/net/route
177ifdef FF_NETGRAPH
178VPATH+= $S/netgraph
179endif
180VPATH+= $S/netinet
181VPATH+= $S/netinet/libalias
182VPATH+= $S/netinet/cc
183ifdef FF_INET6
184VPATH+= $S/netinet6
185endif
186ifdef FF_EXTRA_TCP_STACKS
187VPATH+= $S/netinet/tcp_stacks
188endif
189VPATH+= $S/netipsec
190ifdef FF_IPFW
191VPATH+= $S/netpfil/ipfw
192endif
193VPATH+= $S/opencrypto
194VPATH+= $S/vm
195VPATH+= $S/libkern
196
197
198FF_SRCS+=                     \
199	ff_compat.c           \
200	ff_glue.c             \
201	ff_freebsd_init.c     \
202	ff_init_main.c        \
203	ff_kern_condvar.c     \
204	ff_kern_environment.c \
205	ff_kern_intr.c        \
206	ff_kern_subr.c        \
207	ff_kern_synch.c       \
208	ff_kern_timeout.c     \
209	ff_subr_epoch.c       \
210	ff_lock.c             \
211	ff_syscall_wrapper.c  \
212	ff_subr_prf.c         \
213	ff_vfs_ops.c          \
214	ff_veth.c             \
215	ff_route.c
216
217ifdef FF_NETGRAPH
218FF_SRCS+=                   \
219        ff_ng_base.c        \
220        ff_ngctl.c
221endif
222
223FF_HOST_SRCS+=              \
224	ff_host_interface.c \
225	ff_config.c         \
226	ff_ini_parser.c     \
227	ff_dpdk_if.c        \
228	ff_dpdk_pcap.c      \
229	ff_epoll.c          \
230	ff_init.c
231
232ifdef FF_KNI
233FF_HOST_SRCS+=              \
234	ff_dpdk_kni.c
235endif
236
237ifdef FF_USE_PAGE_ARRAY
238FF_HOST_SRCS+=              \
239  ff_memory.c
240endif
241
242ifdef FF_IPSEC
243CRYPTO_ASM_SRCS+=                       \
244	aesencdec_${MACHINE_CPUARCH}.S  \
245	aeskeys_${MACHINE_CPUARCH}.S
246
247CRYPTO_SRCS+=               \
248	aesni.c	            \
249	aesni_wrap.c        \
250	bf_ecb.c            \
251	bf_enc.c            \
252	bf_skey.c           \
253	camellia.c          \
254	camellia-api.c      \
255	des_ecb.c           \
256	des_enc.c           \
257	des_setkey.c        \
258	rijndael-alg-fst.c  \
259	rijndael-api.c      \
260	sha1.c              \
261	sha256c.c           \
262	sha512c.c           \
263	siphash.c
264else
265CRYPTO_SRCS+=               \
266	sha1.c              \
267	siphash.c
268endif
269
270KERN_SRCS+=                 \
271	kern_descrip.c      \
272	kern_event.c        \
273	kern_fail.c         \
274	kern_khelp.c        \
275	kern_hhook.c        \
276	kern_linker.c       \
277	kern_mbuf.c         \
278	kern_module.c       \
279	kern_mtxpool.c      \
280	kern_ntptime.c      \
281	kern_osd.c          \
282	kern_sysctl.c       \
283	kern_tc.c           \
284	kern_uuid.c         \
285	link_elf.c          \
286	md5c.c              \
287	subr_capability.c   \
288	subr_counter.c      \
289	subr_eventhandler.c \
290	subr_kobj.c         \
291	subr_lock.c         \
292	subr_module.c       \
293	subr_param.c        \
294	subr_pcpu.c         \
295	subr_sbuf.c         \
296	subr_taskqueue.c    \
297	subr_unit.c         \
298	subr_smr.c          \
299	sys_capability.c    \
300	sys_generic.c       \
301	sys_socket.c        \
302	uipc_accf.c         \
303	uipc_mbuf.c         \
304	uipc_mbuf2.c        \
305	uipc_domain.c       \
306	uipc_sockbuf.c      \
307	uipc_socket.c       \
308	uipc_syscalls.c
309
310
311KERN_MHEADERS+=		\
312	bus_if.m	\
313	device_if.m	\
314	linker_if.m
315
316
317KERN_MSRCS+=		\
318	linker_if.m
319
320ifeq (${MACHINE_CPUARCH},arm64)
321LIBKERN_SRCS+=		 \
322	bcd.c		 \
323	inet_ntoa.c	 \
324	jenkins_hash.c   \
325	strlcpy.c	 \
326	strnlen.c        \
327	fls.c		 \
328	flsl.c
329else
330LIBKERN_SRCS+=		 \
331	bcd.c		 \
332	gsb_crc32.c	 \
333	inet_ntoa.c	 \
334	jenkins_hash.c   \
335	strlcpy.c	 \
336	strnlen.c
337endif
338
339
340MACHINE_SRCS+=		 \
341	in_cksum.c
342
343
344NET_SRCS+=		 \
345	bpf.c		 \
346	bridgestp.c      \
347	if.c		 \
348	if_bridge.c      \
349	if_clone.c	 \
350	if_dead.c	 \
351	if_ethersubr.c	 \
352	if_loop.c	 \
353	if_llatbl.c	 \
354	if_media.c       \
355	if_spppfr.c      \
356	if_spppsubr.c    \
357	if_vlan.c        \
358	if_vxlan.c       \
359	in_fib.c	 \
360	in_gif.c         \
361	ip_reass.c	 \
362	netisr.c	 \
363	pfil.c		 \
364	radix.c		 \
365	raw_cb.c	 \
366	raw_usrreq.c	 \
367	route.c		 \
368	route_ctl.c	 \
369	route_tables.c	 \
370	route_helpers.c	 \
371	route_ifaddrs.c	 \
372	route_temporal.c \
373	nhop_utils.c	 \
374	nhop.c		 \
375	nhop_ctl.c	 \
376	rtsock.c         \
377	slcompress.c
378
379ifdef FF_NETGRAPH
380NETGRAPH_SRCS +=         \
381	ng_async.c       \
382	ng_atmllc.c      \
383	ng_bridge.c      \
384	ng_car.c         \
385	ng_cisco.c       \
386	ng_deflate.c     \
387	ng_echo.c        \
388	ng_eiface.c      \
389	ng_etf.c         \
390	ng_ether.c       \
391	ng_ether_echo.c  \
392	ng_frame_relay.c \
393	ng_gif.c         \
394	ng_gif_demux.c   \
395	ng_hole.c        \
396	ng_hub.c         \
397	ng_iface.c       \
398	ng_ip_input.c    \
399	ng_ipfw.c        \
400	ng_ksocket.c     \
401	ng_l2tp.c        \
402	ng_lmi.c         \
403	ng_nat.c         \
404	ng_one2many.c    \
405	ng_parse.c       \
406	ng_patch.c       \
407	ng_pipe.c        \
408	ng_ppp.c         \
409	ng_pppoe.c       \
410	ng_pptpgre.c     \
411	ng_pred1.c       \
412	ng_rfc1490.c     \
413	ng_sample.c      \
414	ng_socket.c      \
415	ng_source.c      \
416	ng_split.c       \
417	ng_sppp.c        \
418	ng_tag.c         \
419	ng_tcpmss.c      \
420	ng_tee.c         \
421	ng_UI.c          \
422	ng_vjc.c         \
423	ng_vlan.c
424endif
425
426NETINET_SRCS+=		\
427	if_ether.c	\
428	if_gif.c        \
429	igmp.c		\
430	in.c		\
431	in_mcast.c	\
432	in_pcb.c	\
433	in_proto.c	\
434	in_rmx.c	\
435	ip_carp.c	\
436	ip_divert.c     \
437	ip_ecn.c        \
438	ip_encap.c	\
439	ip_fastfwd.c	\
440	ip_icmp.c	\
441	ip_id.c		\
442	ip_input.c	\
443	ip_mroute.c     \
444	ip_options.c	\
445	ip_output.c	\
446	raw_ip.c	\
447	tcp_debug.c	\
448	tcp_hostcache.c	\
449	tcp_input.c	\
450	tcp_lro.c	\
451	tcp_offload.c	\
452	tcp_output.c	\
453	tcp_reass.c	\
454	tcp_sack.c	\
455	tcp_subr.c	\
456	tcp_syncache.c	\
457	tcp_timer.c	\
458	tcp_timewait.c	\
459	tcp_usrreq.c	\
460	udp_usrreq.c	\
461	cc.c		\
462	cc_newreno.c    \
463	cc_htcp.c       \
464	cc_cubic.c      \
465	alias.c         \
466	alias_db.c      \
467	alias_mod.c     \
468	alias_proxy.c   \
469	alias_sctp.c    \
470	alias_util.c
471
472ifdef FF_INET6
473NETINET6_SRCS+=		\
474	dest6.c		\
475	frag6.c		\
476	icmp6.c		\
477	in6.c		\
478	in6_ifattach.c	\
479	in6_mcast.c	\
480	in6_pcb.c	\
481	in6_pcbgroup.c	\
482	in6_proto.c	\
483	in6_rmx.c	\
484	in6_src.c	\
485	ip6_forward.c	\
486	ip6_id.c	\
487	ip6_input.c	\
488	ip6_fastfwd.c	\
489	ip6_mroute.c	\
490	ip6_output.c	\
491	mld6.c		\
492	nd6.c		\
493	nd6_nbr.c	\
494	nd6_rtr.c	\
495	raw_ip6.c	\
496	route6.c	\
497	scope6.c	\
498	send.c		\
499	udp6_usrreq.c	\
500	in6_cksum.c	\
501	in6_fib.c	\
502	in6_gif.c
503	#ip6_gre.c
504	#ip6_ipsec.c
505	#sctp6_usrreq.c
506	#in6_rss.c
507
508ifdef FF_TCPHPTS
509EXTRA_TCP_STACKS_SRCS+=		\
510	tcp_hpts.c
511endif
512
513ifdef FF_EXTRA_TCP_STACKS
514EXTRA_TCP_STACKS_SRCS+=		\
515	subr_filter.c		\
516	tcp_ratelimit.c		\
517	arc4random_uniform.c	\
518	sack_filter.c		\
519	rack_bbr_common.c	\
520	rack.c			\
521	bbr.c
522endif
523
524ifndef FF_KNI
525FF_HOST_SRCS+=         \
526        ff_dpdk_kni.c
527endif
528endif
529
530ifdef FF_IPFW
531NETIPFW_SRCS+=             \
532	ip_fw_dynamic.c \
533	ip_fw_eaction.c \
534	ip_fw_iface.c   \
535	ip_fw_log.c     \
536	ip_fw_nat.c     \
537	ip_fw_pfil.c    \
538	ip_fw_sockopt.c \
539	ip_fw_table.c   \
540	ip_fw_table_algo.c  \
541	ip_fw_table_value.c \
542	ip_fw2.c
543endif
544
545ifdef FF_IPSEC
546NETINET_SRCS+=		\
547	ip_ipsec.c
548ifdef FF_INET6
549NETINET6_SRCS+=		\
550	ip6_ipsec.c
551endif
552endif
553
554
555ifdef FF_IPSEC
556NETIPSEC_SRCS+=		\
557	ipsec.c		\
558	ipsec_input.c	\
559	ipsec_mbuf.c	\
560	ipsec_output.c	\
561	key.c		\
562	key_debug.c	\
563	keysock.c	\
564	xform_ah.c	\
565	xform_esp.c	\
566	xform_ipcomp.c
567endif
568
569# only if TCP_SIGNTAURE is defined
570#xform_tcp.c
571
572ifdef FF_IPSEC
573OPENCRYPTO_SRCS+=	\
574	cast.c		\
575	criov.c		\
576	crypto.c	\
577	cryptosoft.c	\
578	deflate.c	\
579	rmd160.c	\
580	skipjack.c	\
581	xform.c
582endif
583
584#	cryptodev.c
585
586OPENCRYPTO_MHEADERS= cryptodev_if.m
587OPENCRYPTO_MSRCS= cryptodev_if.m
588
589VM_SRCS+=		\
590	uma_core.c
591
592
593MHEADERS= $(patsubst %.m,%.h,${KERN_MHEADERS})
594MHEADERS+= vnode_if.h vnode_if_newproto.h vnode_if_typedef.h
595MHEADERS+= $(patsubst %.m,%.h,${OPENCRYPTO_MHEADERS})
596
597MSRCS= $(patsubst %.m,%.c,${KERN_MSRCS})
598MSRCS+= $(patsubst %.m,%.c,${OPENCRYPTO_MSRCS})
599
600ASM_SRCS = ${CRYPTO_ASM_SRCS}
601
602SRCS=  ${FF_SRCS} ${CRYPTO_SRCS} ${KERN_SRCS} ${LIBKERN_SRCS} ${MACHINE_SRCS}
603SRCS+= ${MSRCS} ${NET_SRCS} ${NETGRAPH_SRCS} ${NETINET_SRCS} ${NETINET6_SRCS} ${EXTRA_TCP_STACKS_SRCS}
604SRCS+= ${NETIPSEC_SRCS} ${NETIPFW_SRCS} ${OPENCRYPTO_SRCS} ${VM_SRCS}
605
606# If witness is enabled.
607# SRCS+= ${KERN_WITNESS_SRCS}
608
609# Extra FreeBSD kernel module srcs.
610SRCS+= ${KMOD_SRCS}
611
612HOST_SRCS = ${FF_HOST_SRCS}
613
614ASM_OBJS+= $(patsubst %.S,%.o,${ASM_SRCS})
615OBJS+= $(patsubst %.c,%.o,${SRCS})
616HOST_OBJS+= $(patsubst %.c,%.o,${HOST_SRCS})
617
618all: libfstack.a
619
620#
621# The library is built by first incrementally linking all the object
622# to resolve internal references.  Then, all symbols are made local.
623# Then, only the symbols that are part of the  API are made
624# externally available.
625#
626libfstack.a: machine_includes ff_api.symlist ${MHEADERS} ${MSRCS} ${HOST_OBJS} ${ASM_OBJS} ${OBJS}
627	${LD} -d -r -o $*.ro ${ASM_OBJS} ${OBJS}
628	nm $*.ro  | grep -v ' U ' | cut -d ' ' -f 3 > $*_localize_list.tmp
629	objcopy --localize-symbols=$*_localize_list.tmp $*.ro
630	rm $*_localize_list.tmp
631	objcopy --globalize-symbols=ff_api.symlist $*.ro
632	rm -f $@
633	ar -cqs $@ $*.ro ${HOST_OBJS}
634	rm -f $*.ro
635
636${HOST_OBJS}: %.o: %.c
637	${HOST_C}
638
639${ASM_OBJS}: %.o: %.S ${IMACROS_FILE}
640	${NORMAL_S}
641
642${OBJS}: %.o: %.c ${IMACROS_FILE}
643	${NORMAL_C}
644
645
646.SUFFIXES: .m
647
648.m.c:
649	${AWK} -f $S/tools/makeobjops.awk $< -c
650
651.m.h:
652	${AWK} -f $S/tools/makeobjops.awk $< -h
653
654.PHONY: clean
655clean:
656	rm -f libfstack.a
657	rm -f ${MHEADERS} ${MSRCS} ${HOST_OBJS} ${ASM_OBJS} ${OBJS} ${PROGRAM} ${IMACROS_FILE}
658	rm -rf ${MACHINE_INCLUDES_ROOT}
659
660
661.PHONY: machine_includes
662machine_includes:
663	@rm -rf ${MACHINE_INCLUDES_ROOT}
664	@mkdir -p ${MACHINE_INCLUDES_ROOT}/machine
665	@cp -r $S/${MACHINE_CPUARCH}/include/* ${MACHINE_INCLUDES_ROOT}/machine
666	@if [ "${X86_INCLUDES}" != "0" ]; then 				\
667		mkdir -p ${MACHINE_INCLUDES_ROOT}/x86;			\
668		cp -r $S/x86/include/* ${MACHINE_INCLUDES_ROOT}/x86;	\
669	fi
670
671#
672# Distilled from FreeBSD src/sys/conf/kern.post.mk
673#
674vnode_if.h vnode_if_newproto.h vnode_if_typedef.h: $S/tools/vnode_if.awk \
675    $S/kern/vnode_if.src
676vnode_if.h: vnode_if_newproto.h vnode_if_typedef.h
677	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -h
678vnode_if_newproto.h:
679	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -p
680vnode_if_typedef.h:
681	${AWK} -f $S/tools/vnode_if.awk $S/kern/vnode_if.src -q
682
683include ${TOPDIR}/mk/kern.mk
684
685install:
686	rm -rf ${PREFIX_LIB}/libfstack.a.${F-STACK_VERSION}
687	rm -rf ${PREFIX_LIB}/libfstack.a
688	rm -rf ${PREFIX_INCLUDE}/ff_config.h
689	rm -rf ${PREFIX_INCLUDE}/ff_api.h
690	rm -rf ${PREFIX_INCLUDE}/ff_event.h
691	rm -rf ${PREFIX_INCLUDE}/ff_errno.h
692	rm -rf ${PREFIX_INCLUDE}/ff_epoll.h
693	rm -rf ${PREFIX_BIN}/ff_start
694
695	cp -f libfstack.a ${PREFIX_LIB}/libfstack.a.${F-STACK_VERSION}
696	ln -sf ${PREFIX_LIB}/libfstack.a.${F-STACK_VERSION} ${PREFIX_LIB}/libfstack.a
697	cp -f ff_config.h ${PREFIX_INCLUDE}/ff_config.h
698	cp -f ff_api.h ${PREFIX_INCLUDE}/ff_api.h
699	cp -f ff_event.h ${PREFIX_INCLUDE}/ff_event.h
700	cp -f ff_errno.h ${PREFIX_INCLUDE}/ff_errno.h
701	cp -f ff_epoll.h ${PREFIX_INCLUDE}/ff_epoll.h
702	cp -f ${TOPDIR}/start.sh ${PREFIX_BIN}/ff_start
703	test -f '${F-STACK_CONF}' || cp -f ${TOPDIR}/config.ini ${F-STACK_CONF}
704
705uninstall:
706	rm -rf ${PREFIX_LIB}/libfstack.a.${F-STACK_VERSION}
707	rm -rf ${PREFIX_LIB}/libfstack.a
708	rm -rf ${PREFIX_INCLUDE}/ff_config.h
709	rm -rf ${PREFIX_INCLUDE}/ff_api.h
710	rm -rf ${PREFIX_INCLUDE}/ff_event.h
711	rm -rf ${PREFIX_INCLUDE}/ff_errno.h
712	rm -rf ${PREFIX_INCLUDE}/ff_epoll.h
713	rm -rf ${PREFIX_BIN}/ff_start
714	rm -rf ${F-STACK_CONF}
715
716