Buffalo WI-U3-866Dを追加しました。
結論：iperf3による速度測定
Buffalo WI-U2-433DHP: 65.0 Mbits/sec
Buffalo WI-U3-866D: 197 Mbits/sec
WI-U2-433DHPとWI-U3-866Dは、同じドライバが使えて移行が楽でした。
速度が3倍程度になって大満足です。
lsbsb -tで確認するとUSB2.0による接続となっていますが、これはおそらくドライバの仕様です。
利用するドライバを変更し、USB3.0に変更すると更に速度が向上しそうです。
$ lsusb
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 0d8c:0014 C-Media Electronics, Inc. Audio Adapter (Unitek Y-247A)
Bus 001 Device 003: ID 8087:0a2a Intel Corp.
Bus 001 Device 009: ID 04e6:511a SCM Microsystems, Inc. WI-U3-866D
Bus 001 Device 008: ID 3275:0080 VidzMedia Pte Ltd ThinkPad USB Keyboard with TrackPoint
Bus 001 Device 007: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 010: ID 0411:025d BUFFALO INC. (formerly MelCo., Inc.) WI-U3-866D
Bus 001 Device 006: ID 17ef:6009 Lenovo ThinkPad Keyboard with TrackPoint
Bus 001 Device 005: ID 0411:029b BUFFALO INC. (formerly MelCo., Inc.) 802.11ac WLAN Adapter
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hubBefore: Buffalo WI-U2-433DHP
user@tv-server:~$ lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/7p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/8p, 480M
|__ Port 2: Dev 5, If 0, Class=Vendor Specific Class, Driver=rtl8812au, 480M
|__ Port 3: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 3: Dev 6, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 6: Dev 7, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 4: Dev 9, If 0, Class=Vendor Specific Class, Driver=usbfs, 12M
|__ Port 3: Dev 8, If 0, Class=Vendor Specific Class, Driver=smsusb, 480M
|__ Port 7: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
|__ Port 7: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
|__ Port 8: Dev 4, If 3, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 8: Dev 4, If 1, Class=Audio, Driver=snd-usb-audio, 12M
|__ Port 8: Dev 4, If 2, Class=Audio, Driver=snd-usb-audio, 12M
|__ Port 8: Dev 4, If 0, Class=Audio, Driver=snd-usb-audio, 12Menx7403bdeabc53 IEEE 802.11AC ESSID:"WiFi-AP" Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency:5.5 GHz Access Point: 00:00:00:6E:80:8F
Bit Rate:434 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=99/100 Signal level=-64 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0$ iperf3 -c 192.168.11.102
Connecting to host 192.168.11.102, port 5201
[ 5] local 192.168.11.104 port 64157 connected to 192.168.11.102 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 9.34 MBytes 78.2 Mbits/sec
[ 5] 1.00-2.00 sec 7.31 MBytes 61.1 Mbits/sec
[ 5] 2.00-3.00 sec 8.16 MBytes 68.7 Mbits/sec
[ 5] 3.00-4.00 sec 6.49 MBytes 54.5 Mbits/sec
[ 5] 4.00-5.00 sec 7.84 MBytes 65.8 Mbits/sec
[ 5] 5.00-6.00 sec 7.90 MBytes 66.3 Mbits/sec
[ 5] 6.00-7.00 sec 8.53 MBytes 71.5 Mbits/sec
[ 5] 7.00-8.00 sec 7.54 MBytes 63.2 Mbits/sec
[ 5] 8.00-9.00 sec 7.68 MBytes 64.5 Mbits/sec
[ 5] 9.00-10.00 sec 7.53 MBytes 63.3 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate
[ 5] 0.00-10.00 sec 78.3 MBytes 65.7 Mbits/sec sender
[ 5] 0.00-10.01 sec 77.6 MBytes 65.0 Mbits/sec receiverAfter: Buffalo WI-U3-866D
user@tv-server:~$ lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/7p, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/8p, 480M
|__ Port 2: Dev 5, If 0, Class=Vendor Specific Class, Driver=rtl8812au, 480M
|__ Port 3: Dev 6, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 3: Dev 6, If 1, Class=Human Interface Device, Driver=usbhid, 1.5M
|__ Port 4: Dev 10, If 0, Class=Vendor Specific Class, Driver=rtl8812au, 480M
|__ Port 6: Dev 7, If 0, Class=Hub, Driver=hub/4p, 480M
|__ Port 4: Dev 9, If 0, Class=Vendor Specific Class, Driver=usbfs, 12M
|__ Port 3: Dev 8, If 0, Class=Vendor Specific Class, Driver=smsusb, 480M
|__ Port 7: Dev 3, If 0, Class=Wireless, Driver=btusb, 12M
|__ Port 7: Dev 3, If 1, Class=Wireless, Driver=btusb, 12M
|__ Port 8: Dev 4, If 3, Class=Human Interface Device, Driver=usbhid, 12M
|__ Port 8: Dev 4, If 1, Class=Audio, Driver=snd-usb-audio, 12M
|__ Port 8: Dev 4, If 2, Class=Audio, Driver=snd-usb-audio, 12M
|__ Port 8: Dev 4, If 0, Class=Audio, Driver=snd-usb-audio, 12Menx8857eebb524d IEEE 802.11AC ESSID:"WiFi-AP" Nickname:"<WIFI@REALTEK>"
Mode:Managed Frequency:5.5 GHz Access Point: 00:00:00:6E:80:8F
Bit Rate:867 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Power Management:off
Link Quality=100/100 Signal level=-61 dBm Noise level=0 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0$ iperf3 -c 192.168.11.118
Connecting to host 192.168.11.118, port 5201
[ 5] local 192.168.11.104 port 65390 connected to 192.168.11.118 port 5201
[ ID] Interval Transfer Bitrate
[ 5] 0.00-1.00 sec 24.9 MBytes 209 Mbits/sec
[ 5] 1.00-2.00 sec 24.0 MBytes 201 Mbits/sec
[ 5] 2.00-3.00 sec 24.7 MBytes 207 Mbits/sec
[ 5] 3.00-4.00 sec 23.5 MBytes 197 Mbits/sec
[ 5] 4.00-5.00 sec 23.4 MBytes 196 Mbits/sec
[ 5] 5.00-6.00 sec 21.8 MBytes 183 Mbits/sec
[ 5] 6.00-7.00 sec 21.7 MBytes 182 Mbits/sec
[ 5] 7.00-8.00 sec 22.2 MBytes 186 Mbits/sec
[ 5] 8.00-9.00 sec 24.3 MBytes 203 Mbits/sec
[ 5] 9.00-10.00 sec 24.9 MBytes 209 Mbits/sec
- - - - - - - - - - - - - - - - - - - - - - - - -
[ ID] Interval Transfer Bitrate
[ 5] 0.00-10.00 sec 235 MBytes 197 Mbits/sec sender
[ 5] 0.00-10.01 sec 234 MBytes 196 Mbits/sec receiver
iperf Done.lsmod
$ lsmod
Module Size Used by
xt_nat 16384 16
xt_tcpudp 20480 24
smsdvb 36864 3
dvb_core 143360 1 smsdvb
smsusb 28672 0
smsmdtv 69632 2 smsusb,smsdvb
8812au 987136 0
md4 16384 0
nls_utf8 16384 2
cifs 1077248 2
fscache 376832 1 cifs
libdes 24576 1 cifs
veth 28672 0
xt_conntrack 16384 2
xt_MASQUERADE 20480 6
nf_conntrack_netlink 49152 0
nfnetlink 16384 2 nf_conntrack_netlink
xfrm_user 36864 1
xfrm_algo 16384 1 xfrm_user
xt_addrtype 16384 2
iptable_filter 16384 1
iptable_nat 16384 4
nf_nat 45056 3 xt_nat,iptable_nat,xt_MASQUERADE
nf_conntrack 147456 5 xt_conntrack,nf_nat,xt_nat,nf_conntrack_netlink,xt_MASQUERADE
nf_defrag_ipv6 24576 1 nf_conntrack
nf_defrag_ipv4 16384 1 nf_conntrack
libcrc32c 16384 2 nf_conntrack,nf_nat
bpfilter 884736 0
br_netfilter 28672 0
bridge 192512 1 br_netfilter
stp 16384 1 bridge
llc 16384 2 bridge,stp
aufs 258048 0
overlay 118784 3
ccm 20480 6
rfcomm 81920 16
cmac 16384 4
algif_hash 16384 1
algif_skcipher 16384 1
af_alg 28672 6 algif_hash,algif_skcipher
bnep 24576 2
intel_rapl_msr 20480 0
intel_rapl_common 28672 1 intel_rapl_msr
nls_iso8859_1 16384 1
intel_pmc_bxt 16384 0
mei_hdcp 24576 0
intel_telemetry_pltdrv 20480 0
intel_punit_ipc 16384 1 intel_telemetry_pltdrv
intel_telemetry_core 20480 1 intel_telemetry_pltdrv
snd_sof_pci 24576 0
snd_hda_codec_hdmi 61440 1
snd_sof_intel_byt 20480 1 snd_sof_pci
snd_sof_intel_ipc 20480 1 snd_sof_intel_byt
x86_pkg_temp_thermal 20480 0
snd_sof_intel_hda_common 77824 1 snd_sof_pci
intel_powerclamp 20480 0
snd_soc_hdac_hda 24576 1 snd_sof_intel_hda_common
coretemp 20480 0
snd_sof_xtensa_dsp 16384 2 snd_sof_intel_hda_common,snd_sof_intel_byt
snd_sof_intel_hda 20480 1 snd_sof_intel_hda_common
kvm_intel 286720 0
snd_sof 122880 4 snd_sof_pci,snd_sof_intel_hda_common,snd_sof_intel_byt,snd_sof_intel_ipc
snd_soc_rt298 45056 0
snd_soc_rt286 45056 0
snd_hda_ext_core 32768 3 snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
kvm 712704 1 kvm_intel
snd_soc_acpi_intel_match 45056 2 snd_sof_pci,snd_sof_intel_hda_common
snd_soc_acpi 16384 3 snd_soc_acpi_intel_match,snd_sof_intel_hda_common,snd_sof_intel_byt
ledtrig_audio 16384 1 snd_sof
snd_soc_rl6347a 16384 2 snd_soc_rt298,snd_soc_rt286
crct10dif_pclmul 16384 1
ghash_clmulni_intel 16384 0
i915 2203648 11
snd_soc_core 270336 5 snd_soc_rt298,snd_soc_rt286,snd_sof,snd_sof_intel_hda_common,snd_soc_hdac_hda
snd_compress 28672 1 snd_soc_core
ac97_bus 16384 1 snd_soc_core
snd_pcm_dmaengine 16384 1 snd_soc_core
snd_hda_intel 53248 1
snd_intel_dspcfg 28672 3 snd_hda_intel,snd_sof_pci,snd_sof_intel_hda_common
snd_hda_codec 139264 3 snd_hda_codec_hdmi,snd_hda_intel,snd_soc_hdac_hda
snd_hda_core 94208 7 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_ext_core,snd_hda_codec,snd_sof_intel_hda_common,snd_soc_hdac_hda,snd_sof_intel_hda
snd_usb_audio 282624 2
aesni_intel 372736 9
crypto_simd 16384 1 aesni_intel
cryptd 24576 3 crypto_simd,ghash_clmulni_intel
snd_usbmidi_lib 36864 1 snd_usb_audio
glue_helper 16384 1 aesni_intel
rapl 20480 0
snd_hwdep 20480 2 snd_usb_audio,snd_hda_codec
intel_cstate 20480 0
mc 57344 4 smsusb,snd_usb_audio,smsdvb,dvb_core
snd_seq_midi 20480 0
iwlmvm 393216 0
snd_seq_midi_event 16384 1 snd_seq_midi
drm_kms_helper 217088 1 i915
snd_pcm 114688 12 snd_hda_codec_hdmi,snd_soc_rt298,snd_hda_intel,snd_usb_audio,snd_soc_rt286,snd_hda_codec,snd_sof,snd_sof_intel_hda_common,snd_compress,snd_soc_core,snd_hda_core,snd_pcm_dmaengine
snd_rawmidi 36864 2 snd_seq_midi,snd_usbmidi_lib
mac80211 905216 1 iwlmvm
input_leds 16384 0
btusb 57344 0
libarc4 16384 2 cifs,mac80211
btrtl 24576 1 btusb
btbcm 16384 1 btusb
btintel 28672 1 btusb
bluetooth 581632 41 btrtl,btintel,btbcm,bnep,btusb,rfcomm
iwlwifi 352256 1 iwlmvm
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
ecdh_generic 16384 2 bluetooth
ecc 32768 1 ecdh_generic
cec 53248 2 drm_kms_helper,i915
rc_core 61440 2 smsmdtv,cec
efi_pstore 16384 0
i2c_algo_bit 16384 1 i915
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_timer 40960 2 snd_seq,snd_pcm
fb_sys_fops 16384 1 drm_kms_helper
cfg80211 778240 3 iwlmvm,iwlwifi,mac80211
syscopyarea 16384 1 drm_kms_helper
mei_me 40960 1
sysfillrect 16384 1 drm_kms_helper
intel_xhci_usb_role_switch 16384 0
sysimgblt 16384 1 drm_kms_helper
mac_hid 16384 0
snd 94208 19 snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_usb_audio,snd_usbmidi_lib,snd_hda_codec,snd_timer,snd_compress,snd_soc_core,snd_pcm,snd_rawmidi
roles 16384 1 intel_xhci_usb_role_switch
mei 106496 3 mei_hdcp,mei_me
soundcore 16384 1 snd
sch_fq_codel 20480 10
parport_pc 45056 0
ppdev 24576 0
lp 20480 0
parport 65536 3 parport_pc,lp,ppdev
drm 552960 6 drm_kms_helper,i915
ip_tables 32768 2 iptable_filter,iptable_nat
x_tables 49152 7 xt_conntrack,iptable_filter,xt_tcpudp,xt_addrtype,xt_nat,ip_tables,xt_MASQUERADE
autofs4 45056 2
hid_lenovo 24576 0
hid_generic 16384 0
usbhid 57344 0
hid 135168 3 usbhid,hid_generic,hid_lenovo
mmc_block 49152 3
crc32_pclmul 16384 0
r8169 77824 0
ahci 40960 1
libahci 36864 1 ahci
sdhci_pci 53248 0
i2c_i801 32768 0
lpc_ich 24576 0
i2c_smbus 20480 1 i2c_i801
cqhci 28672 1 sdhci_pci
xhci_pci 20480 0
sdhci 69632 1 sdhci_pci
xhci_pci_renesas 20480 1 xhci_pci
realtek 24576 1
video 49152 1 i915
pinctrl_broxton 40960 2
pinctrl_intel 28672 2 pinctrl_broxton
~$modinfo
$ modinfo 8812au
filename: /lib/modules/5.8.0-59-generic/kernel/drivers/net/wireless/8812au.ko
version: v4.2.3
author: Realtek Semiconductor Corp.
description: Realtek Wireless Lan Driver
license: GPL
srcversion: ABAC4A158AD3DA33BA2553B
alias: usb:v2357p0120d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2357p011Ed*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp0823d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v3823p6249d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2001p3318d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDApA811d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v04BBp0959d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v04BBp0953d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v056Ep4007d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0411p029Bd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0411p0242d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2019pAB32d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0846p9052d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2001p3314d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v7392pA813d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v7392pA812d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v7392pA811d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp8822d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp0821d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp0811d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2604p0012d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp8812d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0411p025Dd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2357p0122d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2357p010Ed*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2357p010Dd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2357p0103d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2357p0101d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v20F4p805Bd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2001p3316d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2001p3315d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07B8p8812d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2019pAB30d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1740p0100d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v13B1p003Fd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1058p0632d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2001p3313d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0586p3426d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0E66p0022d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0B05p17D2d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0409p0408d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0789p016Ed*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v04BBp0952d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DF6p0074d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v7392pA822d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2001p330Ed*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v050Dp1109d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2604p0012d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v050Dp1106d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp881Cd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp881Bd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp881Ad*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0BDAp8812d*dc*dsc*dp*ic*isc*ip*in*
depends:
retpoline: Y
name: 8812au
vermagic: 5.8.0-59-generic SMP mod_unload modversions
parm: rtw_ips_mode:The default IPS mode (int)
parm: rtw_regulatory_id:int
parm: ifname:The default name to allocate for first interface (charp)
parm: if2name:The default name to allocate for second interface (charp)
parm: rtw_initmac:charp
parm: rtw_channel_plan:int
parm: rtw_chip_version:int
parm: rtw_rfintfs:int
parm: rtw_lbkmode:int
parm: rtw_network_mode:int
parm: rtw_channel:int
parm: rtw_mp_mode:int
parm: rtw_wmm_enable:int
parm: rtw_vrtl_carrier_sense:int
parm: rtw_vcs_type:int
parm: rtw_busy_thresh:int
parm: rtw_ht_enable:int
parm: rtw_bw_mode:int
parm: rtw_ampdu_enable:int
parm: rtw_rx_stbc:int
parm: rtw_ampdu_amsdu:int
parm: rtw_vht_enable:int
parm: rtw_lowrate_two_xmit:int
parm: rtw_rf_config:int
parm: rtw_power_mgnt:int
parm: rtw_smart_ps:int
parm: rtw_low_power:int
parm: rtw_wifi_spec:int
parm: rtw_antdiv_cfg:int
parm: rtw_antdiv_type:int
parm: rtw_enusbss:int
parm: rtw_hwpdn_mode:int
parm: rtw_hwpwrp_detect:int
parm: rtw_hw_wps_pbc:int
parm: rtw_max_roaming_times:The max roaming times to try (uint)
parm: rtw_mc2u_disable:int
parm: rtw_80211d:Enable 802.11d mechanism (int)
parm: rtw_notch_filter:0:Disable, 1:Enable, 2:Enable only for P2P (uint)
parm: rtw_led_enable:Enable status LED (int)WiFiドライバ導入時の記録
Buffalo WI-U2-433DHPをubuntu20.04で利用できるまでの手順です。
(function(b,c,f,g...
mamimu-memo.com
2021-07-17 06:54