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freebsd-dev/sys/modules/Makefile
Marko Zec 2aca58e16f Introduce DXR as an IPv4 longest prefix matching / FIB module 
DXR maintains compressed lookup structures with a trivial search
procedure.  A two-stage trie is indexed by the more significant bits of
the search key (IPv4 address), while the remaining bits are used for
finding the next hop in a sorted array.  The tradeoff between memory
footprint and search speed depends on the split between the trie and
the remaining binary search.  The default of 20 bits of the key being
used for trie indexing yields good performance (see below) with
footprints of around 2.5 Bytes per prefix with current BGP snapshots.

Rebuilding lookup structures takes some time, which is compensated for by
batching several RIB change requests into a single FIB update, i.e. FIB
synchronization with the RIB may be delayed for a fraction of a second.
RIB to FIB synchronization, next-hop table housekeeping, and lockless
lookup capability is provided by the FIB_ALGO infrastructure.

DXR works well on modern CPUs with several MBytes of caches, especially
in VMs, where is outperforms other currently available IPv4 FIB
algorithms by a large margin.

Synthetic single-thread LPM throughput test method:

kldload test_lookup; kldload dpdk_lpm4; kldload fib_dxr
sysctl net.route.test.run_lps_rnd=N
sysctl net.route.test.run_lps_seq=N

where N is the number of randomly generated keys (IPv4 addresses) which
should be chosen so that each test iteration runs for several seconds.

Each reported score represents the best of three runs, in million
lookups per second (MLPS), for two bechmarks (RND & SEQ) with two FIBs:

host: single interface address, local subnet route + default route
BGP: snapshot from linx.routeviews.org, 887957 prefixes, 496 next hops

Bhyve VM on an Intel(R) Xeon(R) CPU E5-2670 0 @ 2.60 GHz:
inet.algo         host, RND    host, SEQ    BGP, RND    BGP, SEQ
bsearch4             40.6         20.2         N/A         N/A
radix4                7.8          3.8         1.2         0.6
radix4_lockless      18.0          9.0         1.6         0.8
dpdk_lpm4            14.4          5.0        14.6         5.0
dxr                  70.3         34.7        43.0        19.5

Intel(R) Core(TM) i5-5300U CPU @ 2.30 GHz:
inet.algo         host, RND    host, SEQ    BGP, RND    BGP, SEQ
bsearch4             47.0         23.1         N/A         N/A
radix4                8.5          4.2         1.9         1.0
radix4_lockless      19.2          9.5         2.5         1.2
dpdk_lpm4            31.2          9.4        31.6         9.3
dxr                  84.9         41.4        51.7        23.6

Intel(R) Core(TM) i7-4771 CPU @ 3.50 GHz:
inet.algo         host, RND    host, SEQ    BGP, RND    BGP, SEQ
bsearch4             59.5         29.4         N/A         N/A
radix4               10.8          5.5         2.5         1.3
radix4_lockless      24.7         12.0         3.1         1.6
dpdk_lpm4            29.1          9.0        30.2         9.1
dxr                 101.3         49.9        69.8        32.5

AMD Ryzen 7 3700X 8-Core Processor @ 3.60 GHz:
inet.algo         host, RND    host, SEQ    BGP, RND    BGP, SEQ
bsearch4             70.8         35.4         N/A         N/A
radix4               14.4          7.2         2.8         1.4
radix4_lockless      30.2         15.1         3.7         1.8
dpdk_lpm4            29.9          9.0        30.0         8.9
dxr                 163.3         81.5        99.5        44.4

AMD Ryzen 5 5600X 6-Core Processor @ 3.70 GHz:
inet.algo         host, RND    host, SEQ    BGP, RND    BGP, SEQ
bsearch4             93.6         46.7         N/A         N/A
radix4               18.9          9.3         4.3         2.1
radix4_lockless      37.2         18.6         5.3         2.7
dpdk_lpm4            51.8         15.1        51.6        14.9
dxr                 218.2        103.3       114.0        49.0

Reviewed by:	melifaro
MFC after:	1 week
Differential Revision: https://reviews.freebsd.org/D29821
2021-05-05 13:45:52 +02:00

845 lines
13 KiB
Makefile
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# $FreeBSD$
SYSDIR?=${SRCTOP}/sys
.include "${SYSDIR}/conf/kern.opts.mk"
SUBDIR_PARALLEL=
# Modules that include binary-only blobs of microcode should be selectable by
# MK_SOURCELESS_UCODE option (see below).
.include "${SYSDIR}/conf/config.mk"
.if defined(MODULES_OVERRIDE) && !defined(ALL_MODULES)
SUBDIR=${MODULES_OVERRIDE}
.else
SUBDIR= \
${_3dfx} \
${_3dfx_linux} \
${_aac} \
${_aacraid} \
accf_data \
accf_dns \
accf_http \
acl_nfs4 \
acl_posix1e \
${_acpi} \
ae \
${_aesni} \
age \
${_agp} \
ahci \
aic7xxx \
alc \
ale \
alq \
${_amd_ecc_inject} \
${_amdgpio} \
${_amdsbwd} \
${_amdsmn} \
${_amdtemp} \
amr \
${_an} \
${_aout} \
${_arcmsr} \
${_allwinner} \
${_armv8crypto} \
${_asmc} \
ata \
ath \
ath_dfs \
ath_hal \
ath_hal_ar5210 \
ath_hal_ar5211 \
ath_hal_ar5212 \
ath_hal_ar5416 \
ath_hal_ar9300 \
ath_main \
ath_rate \
ath_pci \
${_autofs} \
axgbe \
backlight \
${_bce} \
${_bcm283x_clkman} \
${_bcm283x_pwm} \
bfe \
bge \
bhnd \
${_bxe} \
${_bios} \
${_blake2} \
bnxt \
bridgestp \
bwi \
bwn \
${_bytgpio} \
${_chvgpio} \
cam \
${_cardbus} \
${_carp} \
cas \
${_cbb} \
cc \
${_ccp} \
cd9660 \
cd9660_iconv \
${_ce} \
${_cfi} \
${_chromebook_platform} \
${_ciss} \
cloudabi \
${_cloudabi32} \
${_cloudabi64} \
${_coretemp} \
${_cp} \
${_cpsw} \
${_cpuctl} \
${_cpufreq} \
${_crypto} \
${_cryptodev} \
ctl \
${_cxgb} \
${_cxgbe} \
dc \
dcons \
dcons_crom \
${_dpdk_lpm4} \
${_dpdk_lpm6} \
${_dpms} \
dummynet \
${_dwwdt} \
${_efirt} \
${_em} \
${_ena} \
esp \
${_et} \
evdev \
${_exca} \
ext2fs \
fdc \
fdescfs \
${_ffec} \
${_fib_dxr} \
filemon \
firewire \
firmware \
${_ftwd} \
fusefs \
${_fxp} \
gem \
geom \
${_glxiic} \
${_glxsb} \
gpio \
hid \
hifn \
${_hpt27xx} \
${_hptiop} \
${_hptmv} \
${_hptnr} \
${_hptrr} \
hwpmc \
${_hwpmc_mips24k} \
${_hwpmc_mips74k} \
${_hyperv} \
i2c \
${_iavf} \
${_ibcore} \
${_ichwd} \
${_ice} \
${_ice_ddp} \
${_ida} \
if_bridge \
if_disc \
if_edsc \
${_if_enc} \
if_epair \
${_if_gif} \
${_if_gre} \
${_if_me} \
if_infiniband \
if_lagg \
${_if_stf} \
if_tuntap \
if_vlan \
if_vxlan \
iflib \
${_iir} \
imgact_binmisc \
${_intelspi} \
${_io} \
${_ioat} \
${_ipoib} \
${_ipdivert} \
${_ipfilter} \
${_ipfw} \
ipfw_nat \
${_ipfw_nat64} \
${_ipfw_nptv6} \
${_ipfw_pmod} \
${_ipmi} \
ip6_mroute_mod \
ip_mroute_mod \
${_ips} \
${_ipsec} \
${_ipw} \
${_ipwfw} \
${_isci} \
${_iser} \
isp \
${_ispfw} \
${_itwd} \
${_iwi} \
${_iwifw} \
${_iwm} \
${_iwmfw} \
${_iwn} \
${_iwnfw} \
${_ix} \
${_ixv} \
${_ixl} \
jme \
kbdmux \
kgssapi \
kgssapi_krb5 \
khelp \
krpc \
ksyms \
${_ktls_ocf} \
le \
lge \
libalias \
libiconv \
libmchain \
lindebugfs \
linuxkpi \
${_lio} \
lpt \
mac_biba \
mac_bsdextended \
mac_ifoff \
mac_lomac \
mac_mls \
mac_none \
mac_ntpd \
mac_partition \
mac_portacl \
mac_seeotheruids \
mac_stub \
mac_test \
${_malo} \
md \
mdio \
mem \
mfi \
mii \
mlx \
mlxfw \
${_mlx4} \
${_mlx4ib} \
${_mlx4en} \
${_mlx5} \
${_mlx5en} \
${_mlx5ib} \
${_mly} \
mmc \
mmcsd \
${_mpr} \
${_mps} \
mpt \
mqueue \
mrsas \
msdosfs \
msdosfs_iconv \
msk \
${_mthca} \
mvs \
mwl \
${_mwlfw} \
mxge \
my \
${_nctgpio} \
${_netgraph} \
${_nfe} \
nfscl \
nfscommon \
nfsd \
nfslockd \
nfssvc \
nge \
nmdm \
nullfs \
${_ntb} \
${_nvd} \
${_nvdimm} \
${_nvme} \
${_nvram} \
oce \
${_ocs_fc} \
${_ossl} \
otus \
${_otusfw} \
ow \
${_padlock} \
${_padlock_rng} \
${_pccard} \
${_pchtherm} \
${_pcfclock} \
${_pf} \
${_pflog} \
${_pfsync} \
plip \
${_pms} \
ppbus \
ppc \
ppi \
pps \
procfs \
proto \
pseudofs \
${_pst} \
pty \
puc \
pwm \
${_qat} \
${_qatfw} \
${_qlxge} \
${_qlxgb} \
${_qlxgbe} \
${_qlnx} \
ral \
${_ralfw} \
${_random_fortuna} \
${_random_other} \
rc4 \
${_rdma} \
${_rdrand_rng} \
re \
rl \
${_rockchip} \
rtsx \
rtwn \
rtwn_pci \
rtwn_usb \
${_rtwnfw} \
${_s3} \
${_safe} \
safexcel \
${_sbni} \
scc \
${_sctp} \
sdhci \
${_sdhci_acpi} \
sdhci_pci \
sdio \
sem \
send \
${_sfxge} \
sge \
${_sgx} \
${_sgx_linux} \
siftr \
siis \
sis \
sk \
${_smartpqi} \
smbfs \
snp \
sound \
${_speaker} \
spi \
${_splash} \
${_sppp} \
ste \
stge \
${_sume} \
${_superio} \
${_sym} \
${_syscons} \
sysvipc \
tcp \
${_ti} \
tmpfs \
${_toecore} \
${_tpm} \
${_twa} \
twe \
tws \
uart \
udf \
udf_iconv \
ufs \
uinput \
unionfs \
usb \
${_vesa} \
virtio \
vge \
${_viawd} \
videomode \
vkbd \
${_vmd} \
${_vmm} \
${_vmware} \
vr \
vte \
${_wbwd} \
wlan \
wlan_acl \
wlan_amrr \
wlan_ccmp \
wlan_rssadapt \
wlan_tkip \
wlan_wep \
wlan_xauth \
${_wpi} \
${_wpifw} \
${_x86bios} \
xdr \
xl \
xz \
zlib
.if ${MK_AUTOFS} != "no" || defined(ALL_MODULES)
_autofs= autofs
.endif
.if ${MK_CDDL} != "no" || defined(ALL_MODULES)
.if (${MACHINE_CPUARCH} != "arm" || ${MACHINE_ARCH:Marmv[67]*} != "") && \
${MACHINE_CPUARCH} != "mips"
.if ${KERN_OPTS:MKDTRACE_HOOKS}
SUBDIR+= dtrace
.endif
.endif
SUBDIR+= opensolaris
.endif
.if ${MK_CRYPT} != "no" || defined(ALL_MODULES)
.if exists(${SRCTOP}/sys/opencrypto)
_crypto= crypto
_cryptodev= cryptodev
_random_fortuna=random_fortuna
_random_other= random_other
_ktls_ocf= ktls_ocf
.endif
.endif
.if ${MK_CUSE} != "no" || defined(ALL_MODULES)
SUBDIR+= cuse
.endif
.if ${MK_EFI} != "no"
.if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64"
_efirt= efirt
.endif
.endif
.if (${MK_INET_SUPPORT} != "no" || ${MK_INET6_SUPPORT} != "no") || \
defined(ALL_MODULES)
_carp= carp
_toecore= toecore
_if_enc= if_enc
_if_gif= if_gif
_if_gre= if_gre
_ipfw_pmod= ipfw_pmod
.if ${KERN_OPTS:MIPSEC_SUPPORT} && !${KERN_OPTS:MIPSEC}
_ipsec= ipsec
.endif
.if ${KERN_OPTS:MSCTP_SUPPORT} || ${KERN_OPTS:MSCTP}
_sctp= sctp
.endif
.endif
.if (${MK_INET_SUPPORT} != "no" && ${MK_INET6_SUPPORT} != "no") || \
defined(ALL_MODULES)
_if_stf= if_stf
.endif
.if ${MK_INET_SUPPORT} != "no" || defined(ALL_MODULES)
_if_me= if_me
_ipdivert= ipdivert
_ipfw= ipfw
.if ${MK_INET6_SUPPORT} != "no" || defined(ALL_MODULES)
_ipfw_nat64= ipfw_nat64
.endif
.endif
.if ${MK_INET6_SUPPORT} != "no" || defined(ALL_MODULES)
_ipfw_nptv6= ipfw_nptv6
.endif
.if ${MK_IPFILTER} != "no" || defined(ALL_MODULES)
_ipfilter= ipfilter
.endif
.if ${MK_INET_SUPPORT} != "no" && ${KERN_OPTS:MFIB_ALGO}
_dpdk_lpm4= dpdk_lpm4
_fib_dxr= fib_dxr
.endif
.if ${MK_INET6_SUPPORT} != "no" && ${KERN_OPTS:MFIB_ALGO}
_dpdk_lpm6= dpdk_lpm6
.endif
.if ${MK_ISCSI} != "no" || defined(ALL_MODULES)
SUBDIR+= cfiscsi
SUBDIR+= iscsi
SUBDIR+= iscsi_initiator
.endif
.if !empty(OPT_FDT)
SUBDIR+= fdt
.endif
# Linuxulator
.if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64" || \
${MACHINE_CPUARCH} == "i386"
SUBDIR+= linprocfs
SUBDIR+= linsysfs
.endif
.if ${MACHINE_CPUARCH} == "amd64" || ${MACHINE_CPUARCH} == "i386"
SUBDIR+= linux
.endif
.if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64"
SUBDIR+= linux64
SUBDIR+= linux_common
.endif
.if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64" || \
${MACHINE_CPUARCH} == "i386"
_ena= ena
.if ${MK_OFED} != "no" || defined(ALL_MODULES)
_ibcore= ibcore
_ipoib= ipoib
_iser= iser
.endif
_ipmi= ipmi
_mlx4= mlx4
_mlx5= mlx5
.if (${MK_INET_SUPPORT} != "no" && ${MK_INET6_SUPPORT} != "no") || \
defined(ALL_MODULES)
_mlx4en= mlx4en
_mlx5en= mlx5en
.endif
.if ${MK_OFED} != "no" || defined(ALL_MODULES)
_mthca= mthca
_mlx4ib= mlx4ib
_mlx5ib= mlx5ib
.endif
_ossl= ossl
_vmware= vmware
.endif
.if ${MK_NETGRAPH} != "no" || defined(ALL_MODULES)
_netgraph= netgraph
.endif
.if (${MK_PF} != "no" && (${MK_INET_SUPPORT} != "no" || \
${MK_INET6_SUPPORT} != "no")) || defined(ALL_MODULES)
_pf= pf
_pflog= pflog
.if ${MK_INET_SUPPORT} != "no"
_pfsync= pfsync
.endif
.endif
.if ${MK_SOURCELESS_UCODE} != "no"
_bce= bce
_fxp= fxp
_ispfw= ispfw
_ti= ti
.if ${MACHINE_CPUARCH} != "mips"
_mwlfw= mwlfw
_otusfw= otusfw
_ralfw= ralfw
_rtwnfw= rtwnfw
.endif
.endif
.if ${MK_SOURCELESS_UCODE} != "no" && ${MACHINE_CPUARCH} != "arm" && \
${MACHINE_CPUARCH} != "mips" && \
${MACHINE_ARCH} != "powerpc" && ${MACHINE_ARCH} != "powerpcspe" && \
${MACHINE_CPUARCH} != "riscv"
_cxgbe= cxgbe
.endif
.if ${MACHINE_ARCH} == "amd64" || ${MACHINE_ARCH} == "arm64"
_ice= ice
.if ${MK_SOURCELESS_UCODE} != "no"
_ice_ddp= ice_ddp
.endif
.endif
# These rely on 64bit atomics
.if ${MACHINE_ARCH} != "powerpc" && ${MACHINE_ARCH} != "powerpcspe" && \
${MACHINE_CPUARCH} != "mips"
_mps= mps
_mpr= mpr
.endif
.if ${MK_TESTS} != "no" || defined(ALL_MODULES)
SUBDIR+= tests
.endif
.if ${MK_ZFS} != "no" || (defined(ALL_MODULES) && ${MACHINE_CPUARCH} != "powerpc")
SUBDIR+= zfs
.endif
.if (${MACHINE_CPUARCH} == "mips" && ${MACHINE_ARCH:Mmips64} == "")
_hwpmc_mips24k= hwpmc_mips24k
_hwpmc_mips74k= hwpmc_mips74k
.endif
.if ${MACHINE_CPUARCH} != "aarch64" && ${MACHINE_CPUARCH} != "arm" && \
${MACHINE_CPUARCH} != "mips" && ${MACHINE_CPUARCH} != "powerpc" && \
${MACHINE_CPUARCH} != "riscv"
_syscons= syscons
.endif
.if ${MACHINE_CPUARCH} != "mips"
# no BUS_SPACE_UNSPECIFIED
# No barrier instruction support (specific to this driver)
_sym= sym
# intr_disable() is a macro, causes problems
.if ${MK_SOURCELESS_UCODE} != "no"
_cxgb= cxgb
.endif
.endif
.if ${MACHINE_CPUARCH} == "aarch64"
_allwinner= allwinner
_armv8crypto= armv8crypto
_dwwdt= dwwdt
_em= em
_rockchip= rockchip
.endif
.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
_agp= agp
_an= an
_aout= aout
_bios= bios
.if ${MK_SOURCELESS_UCODE} != "no"
_bxe= bxe
.endif
_cardbus= cardbus
_cbb= cbb
_cpuctl= cpuctl
_cpufreq= cpufreq
_dpms= dpms
_em= em
_et= et
_ftwd= ftwd
_exca= exca
_io= io
_itwd= itwd
_ix= ix
_ixv= ixv
.if ${MK_SOURCELESS_UCODE} != "no"
_lio= lio
.endif
_nctgpio= nctgpio
_ntb= ntb
_ocs_fc= ocs_fc
_pccard= pccard
_qat= qat
_qatfw= qatfw
.if ${MK_OFED} != "no" || defined(ALL_MODULES)
_rdma= rdma
.endif
_safe= safe
_speaker= speaker
_splash= splash
_sppp= sppp
_wbwd= wbwd
_aac= aac
_aacraid= aacraid
_acpi= acpi
.if ${MK_CRYPT} != "no" || defined(ALL_MODULES)
_aesni= aesni
.endif
_amd_ecc_inject=amd_ecc_inject
_amdsbwd= amdsbwd
_amdsmn= amdsmn
_amdtemp= amdtemp
_arcmsr= arcmsr
_asmc= asmc
.if ${MK_CRYPT} != "no" || defined(ALL_MODULES)
_blake2= blake2
.endif
_bytgpio= bytgpio
_chvgpio= chvgpio
_ciss= ciss
_chromebook_platform= chromebook_platform
_coretemp= coretemp
.if ${MK_SOURCELESS_HOST} != "no" && empty(KCSAN_ENABLED)
_hpt27xx= hpt27xx
.endif
_hptiop= hptiop
.if ${MK_SOURCELESS_HOST} != "no" && empty(KCSAN_ENABLED)
_hptmv= hptmv
_hptnr= hptnr
_hptrr= hptrr
.endif
_hyperv= hyperv
_ichwd= ichwd
_ida= ida
_iir= iir
_intelspi= intelspi
_ips= ips
_isci= isci
_ipw= ipw
_iwi= iwi
_iwm= iwm
_iwn= iwn
.if ${MK_SOURCELESS_UCODE} != "no"
_ipwfw= ipwfw
_iwifw= iwifw
_iwmfw= iwmfw
_iwnfw= iwnfw
.endif
_mly= mly
_nfe= nfe
_nvd= nvd
_nvme= nvme
_nvram= nvram
.if ${MK_CRYPT} != "no" || defined(ALL_MODULES)
_padlock= padlock
_padlock_rng= padlock_rng
_rdrand_rng= rdrand_rng
.endif
_pchtherm = pchtherm
_s3= s3
_sdhci_acpi= sdhci_acpi
_superio= superio
_tpm= tpm
_twa= twa
_vesa= vesa
_viawd= viawd
_wpi= wpi
.if ${MK_SOURCELESS_UCODE} != "no"
_wpifw= wpifw
.endif
_x86bios= x86bios
.endif
.if ${MACHINE_CPUARCH} == "amd64"
_amdgpio= amdgpio
_ccp= ccp
_iavf= iavf
_ioat= ioat
_ixl= ixl
_nvdimm= nvdimm
_pms= pms
_qlxge= qlxge
_qlxgb= qlxgb
_sume= sume
_vmd= vmd
.if ${MK_SOURCELESS_UCODE} != "no"
_qlxgbe= qlxgbe
_qlnx= qlnx
.endif
_sfxge= sfxge
_sgx= sgx
_sgx_linux= sgx_linux
_smartpqi= smartpqi
.if ${MK_BHYVE} != "no" || defined(ALL_MODULES)
.if ${KERN_OPTS:MSMP}
_vmm= vmm
.endif
.endif
.endif
.if ${MACHINE_CPUARCH} == "i386"
# XXX some of these can move to the general case when de-i386'ed
# XXX some of these can move now, but are untested on other architectures.
_3dfx= 3dfx
_3dfx_linux= 3dfx_linux
.if ${MK_SOURCELESS_HOST} != "no"
_ce= ce
.endif
.if ${MK_SOURCELESS_HOST} != "no"
_cp= cp
.endif
_glxiic= glxiic
_glxsb= glxsb
_pcfclock= pcfclock
_pst= pst
_sbni= sbni
.endif
.if ${MACHINE_ARCH} == "armv7"
_cfi= cfi
_cpsw= cpsw
.endif
.if ${MACHINE_CPUARCH} == "powerpc"
_aacraid= aacraid
_agp= agp
_an= an
_cardbus= cardbus
_cbb= cbb
_cfi= cfi
_cpufreq= cpufreq
_exca= exca
_ffec= ffec
_nvd= nvd
_nvme= nvme
_pccard= pccard
.endif
.if ${MACHINE_ARCH:Mpowerpc64*} != ""
_ipmi= ipmi
_ixl= ixl
_nvram= opal_nvram
.endif
.if ${MACHINE_CPUARCH} == "powerpc" && ${MACHINE_ARCH} != "powerpcspe"
# Don't build powermac_nvram for powerpcspe, it's never supported.
_nvram+= powermac_nvram
.endif
.if (${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64" || \
${MACHINE_ARCH:Marmv[67]*} != "" || ${MACHINE_CPUARCH} == "i386")
_cloudabi32= cloudabi32
.endif
.if ${MACHINE_CPUARCH} == "aarch64" || ${MACHINE_CPUARCH} == "amd64"
_cloudabi64= cloudabi64
.endif
.endif
.if ${MACHINE_ARCH:Marmv[67]*} != "" || ${MACHINE_CPUARCH} == "aarch64"
_bcm283x_clkman= bcm283x_clkman
_bcm283x_pwm= bcm283x_pwm
.endif
.if !(${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} < 110000)
# LLVM 10 crashes when building if_malo_pci.c, fixed in LLVM11:
# https://bugs.llvm.org/show_bug.cgi?id=44351
_malo= malo
.endif
SUBDIR+=${MODULES_EXTRA}
.for reject in ${WITHOUT_MODULES}
SUBDIR:= ${SUBDIR:N${reject}}
.endfor
# Calling kldxref(8) for each module is expensive.
.if !defined(NO_XREF)
.MAKEFLAGS+= -DNO_XREF
afterinstall: .PHONY
@if type kldxref >/dev/null 2>&1; then \
${ECHO} ${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
${KLDXREF_CMD} ${DESTDIR}${KMODDIR}; \
fi
.endif
SUBDIR:= ${SUBDIR:u:O}
.include <bsd.subdir.mk>
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