Network throughput is, to put it mildly, half-baked.
Higher values, are they even possible via rt2800usb.ko & Co.?
°°°°°°°°°°°°°°°
$ iperf -s -i 1
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.2.5 port 5001 connected with 192.168.2.52 port 57150
[ ID] Interval Transfer Bandwidth
[ 4] 0.0- 1.0 sec 1.56 MBytes 13.1 Mbits/sec
[ 4] 1.0- 2.0 sec 1.82 MBytes 15.3 Mbits/sec
[ 4] 2.0- 3.0 sec 1.74 MBytes 14.6 Mbits/sec
[ 4] 3.0- 4.0 sec 1.86 MBytes 15.6 Mbits/sec
[ 4] 4.0- 5.0 sec 1.94 MBytes 16.3 Mbits/sec
[ 4] 5.0- 6.0 sec 1.92 MBytes 16.1 Mbits/sec
[ 4] 6.0- 7.0 sec 1.85 MBytes 15.5 Mbits/sec
[ 4] 7.0- 8.0 sec 1.82 MBytes 15.2 Mbits/sec
[ 4] 8.0- 9.0 sec 1.75 MBytes 14.7 Mbits/sec
[ 4] 9.0-10.0 sec 1.82 MBytes 15.2 Mbits/sec
[ 4] 0.0-10.4 sec 18.9 MBytes 15.2 Mbits/sec
°°°°°°°°°°°°°°°°°°°°°°°°°°°
$ iperf -c 192.168.2.5 -i 1
------------------------------------------------------------
Client connecting to 192.168.2.5, TCP port 5001
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.52 port 57150 connected with 192.168.2.5 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 1.0 sec 1.75 MBytes 14.7 Mbits/sec
[ 3] 1.0- 2.0 sec 2.00 MBytes 16.8 Mbits/sec
[ 3] 2.0- 3.0 sec 1.75 MBytes 14.7 Mbits/sec
[ 3] 3.0- 4.0 sec 1.88 MBytes 15.7 Mbits/sec
[ 3] 4.0- 5.0 sec 2.00 MBytes 16.8 Mbits/sec
[ 3] 5.0- 6.0 sec 1.88 MBytes 15.7 Mbits/sec
[ 3] 6.0- 7.0 sec 1.75 MBytes 14.7 Mbits/sec
[ 3] 7.0- 8.0 sec 2.25 MBytes 18.9 Mbits/sec
[ 3] 8.0- 9.0 sec 1.38 MBytes 11.5 Mbits/sec
[ 3] 9.0-10.0 sec 2.12 MBytes 17.8 Mbits/sec
[ 3] 0.0-10.1 sec 18.9 MBytes 15.6 Mbits/sec
°°°°°°°°°°°°°°°
$ iperf -s -i 1
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.2.52 port 5001 connected with 192.168.2.5 port 49178
[ ID] Interval Transfer Bandwidth
[ 4] 0.0- 1.0 sec 3.24 MBytes 27.2 Mbits/sec
[ 4] 1.0- 2.0 sec 3.58 MBytes 30.0 Mbits/sec
[ 4] 2.0- 3.0 sec 4.11 MBytes 34.5 Mbits/sec
[ 4] 3.0- 4.0 sec 4.44 MBytes 37.2 Mbits/sec
[ 4] 4.0- 5.0 sec 4.71 MBytes 39.5 Mbits/sec
[ 4] 5.0- 6.0 sec 4.64 MBytes 39.0 Mbits/sec
[ 4] 6.0- 7.0 sec 4.49 MBytes 37.7 Mbits/sec
[ 4] 7.0- 8.0 sec 4.61 MBytes 38.6 Mbits/sec
[ 4] 8.0- 9.0 sec 4.43 MBytes 37.2 Mbits/sec
[ 4] 9.0-10.0 sec 4.66 MBytes 39.1 Mbits/sec
[ 4] 0.0-10.1 sec 43.5 MBytes 36.0 Mbits/sec
°°°°°°°°°°°°°°°°°°°°°°°°°°°°
$ iperf -c 192.168.2.52 -i 1
------------------------------------------------------------
Client connecting to 192.168.2.52, TCP port 5001
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.5 port 49178 connected with 192.168.2.52 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 1.0 sec 3.62 MBytes 30.4 Mbits/sec
[ 3] 1.0- 2.0 sec 3.62 MBytes 30.4 Mbits/sec
[ 3] 2.0- 3.0 sec 4.12 MBytes 34.6 Mbits/sec
[ 3] 3.0- 4.0 sec 4.38 MBytes 36.7 Mbits/sec
[ 3] 4.0- 5.0 sec 4.88 MBytes 40.9 Mbits/sec
[ 3] 5.0- 6.0 sec 4.75 MBytes 39.8 Mbits/sec
[ 3] 6.0- 7.0 sec 4.38 MBytes 36.7 Mbits/sec
[ 3] 7.0- 8.0 sec 4.88 MBytes 40.9 Mbits/sec
[ 3] 8.0- 9.0 sec 4.25 MBytes 35.7 Mbits/sec
[ 3] 9.0-10.0 sec 4.50 MBytes 37.7 Mbits/sec
[ 3] 0.0-10.0 sec 43.5 MBytes 36.5 Mbits/sec
°°°°°°°°°°°°°°°°°°°°°°°°
# lsusb -d 148f:3070 -v
Bus 002 Device 003: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
idVendor 0x148f Ralink Technology, Corp.
idProduct 0x3070 RT2870/RT3070 Wireless Adapter
bcdDevice 1.01
iManufacturer 1 Ralink
iProduct 2 802.11 n WLAN
iSerial 3 1.0
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 67
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0x80
(Bus Powered)
MaxPower 450mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 7
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 5 1.0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x02 EP 2 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x03 EP 3 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x04 EP 4 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x05 EP 5 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x06 EP 6 OUT
bmAttributes 2
Transfer Type Bulk
Synch Type None
Usage Type Data
wMaxPacketSize 0x0200 1x 512 bytes
bInterval 0
Device Qualifier (for other device speed):
bLength 10
bDescriptorType 6
bcdUSB 2.00
bDeviceClass 0 (Defined at Interface level)
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 64
bNumConfigurations 1
Device Status: 0x0000
(Bus Powered)
°°°°°°°°°°°°°°°°°°°°°°
$ modinfo rt2800usb -n
/lib/modules/3.17.2-200.fc20.x86_64/kernel/drivers/net/wireless/rt2x00/rt2800usb.ko.xz
°°°°°°°°°°°°°°°°°°°°°°°°°°°°
# dmesg -t | grep 'rt2\|2-3'
usb 2-3: new high-speed USB device number 3 using ehci-pci
usb 2-3: New USB device found, idVendor=148f, idProduct=3070
usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-3: Product: 802.11 n WLAN
usb 2-3: Manufacturer: Ralink
usb 2-3: SerialNumber: 1.0
usb 2-3: reset high-speed USB device number 3 using ehci-pci
ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3070, rev 0201 detected
ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0005 detected
usbcore: registered new interface driver rt2800usb
rt2800usb 2-3:1.0 wlp0s4f1u3: renamed from wlan0
ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.29
°°°°°°°°°°°°°°°°°°°°°
# iwconfig wlp0s4f1u3
wlp0s4f1u3 IEEE 802.11bgn ESSID:"AP1"
Mode:Managed Frequency:2.437 GHz Access Point: 00:01:02:03:04:05
Bit Rate=45 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=70/70 Signal level=-17 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:1414 Invalid misc:18505 Missed beacon:0
°°°°°°°°°°°°°°°°°°°°
# iw wlp0s4f1u3 info
Interface wlp0s4f1u3
ifindex 5
wdev 0x1
addr 00:02:04:08:04:02
type managed
wiphy 0
channel 6 (2437 MHz), width: 40 MHz, center1: 2427 MHz
°°°°°°°°°°°°°°°°°°°°
# iw wlp0s4f1u3 link
Connected to 00:01:02:03:04:05 (on wlp0s4f1u3)
SSID: AP1
freq: 2437
RX: 3943127090 bytes (5404885 packets)
TX: 235612402 bytes (2728395 packets)
signal: -17 dBm
tx bitrate: 45.0 MBit/s MCS 2 40MHz short GI
bss flags: short-slot-time
dtim period: 1
beacon int: 100
°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
# iw wlp0s4f1u3 station dump
Station 00:01:02:03:04:05 (on wlp0s4f1u3)
inactive time: 0 ms
rx bytes: 3943288404
rx packets: 5404992
tx bytes: 235616874
tx packets: 2728447
tx retries: 567959
tx failed: 1414
signal: -17 dBm
signal avg: -17 dBm
tx bitrate: 45.0 MBit/s MCS 2 40MHz short GI
rx bitrate: 108.0 MBit/s MCS 5 40MHz
authorized: yes
authenticated: yes
preamble: long
WMM/WME: yes
MFP: no
TDLS peer: no
°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
# iw wlp0s4f1u3 scan | grep associated -A50
BSS 00:01:02:03:04:05(on wlp0s4f1u3) -- associated
TSF: 132040964986 usec (1d, 12:40:40)
freq: 2437
beacon interval: 100 TUs
capability: ESS Privacy ShortSlotTime (0x0411)
signal: -13.00 dBm
last seen: 176 ms ago
Information elements from Probe Response frame:
SSID: AP1
Supported rates: 1.0* 2.0* 5.5* 11.0* 6.0 9.0 12.0 18.0
DS Parameter set: channel 6
ERP: <no flags>
Extended supported rates: 24.0 36.0 48.0 54.0
HT capabilities:
Capabilities: 0x186e
HT20/HT40
SM Power Save disabled
RX HT20 SGI
RX HT40 SGI
No RX STBC
Max AMSDU length: 7935 bytes
DSSS/CCK HT40
Maximum RX AMPDU length 32767 bytes (exponent: 0x002)
Minimum RX AMPDU time spacing: 16 usec (0x07)
HT RX MCS rate indexes supported: 0-15
HT TX MCS rate indexes are undefined
HT operation:
* primary channel: 6
* secondary channel offset: below
* STA channel width: any
* RIFS: 0
* HT protection: no
* non-GF present: 0
* OBSS non-GF present: 0
* dual beacon: 0
* dual CTS protection: 0
* STBC beacon: 0
* L-SIG TXOP Prot: 0
* PCO active: 0
* PCO phase: 0
RSN: * Version: 1
* Group cipher: CCMP
* Pairwise ciphers: CCMP
* Authentication suites: PSK
* Capabilities: 1-PTKSA-RC 1-GTKSA-RC (0x0000)
WMM: * Parameter version 1
* BE: CW 15-1023, AIFSN 3
* BK: CW 15-1023, AIFSN 7
* VI: CW 7-15, AIFSN 2, TXOP 3008 usec
* VO: CW 3-7, AIFSN 2, TXOP 1504 usec
°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°°
# iw list / iw phy0 info
Wiphy phy0
max # scan SSIDs: 4
max scan IEs length: 2257 bytes
Coverage class: 0 (up to 0m)
Device supports RSN-IBSS.
Supported Ciphers:
* WEP40 (00-0f-ac:1)
* WEP104 (00-0f-ac:5)
* TKIP (00-0f-ac:2)
* CCMP (00-0f-ac:4)
Available Antennas: TX 0 RX 0
Supported interface modes:
* IBSS
* managed
* AP
* AP/VLAN
* WDS
* monitor
* mesh point
Band 1:
Capabilities: 0x172
HT20/HT40
Static SM Power Save
RX Greenfield
RX HT20 SGI
RX HT40 SGI
RX STBC 1-stream
Max AMSDU length: 3839 bytes
No DSSS/CCK HT40
Maximum RX AMPDU length 65535 bytes (exponent: 0x003)
Minimum RX AMPDU time spacing: 2 usec (0x04)
HT RX MCS rate indexes supported: 0-7, 32
TX unequal modulation not supported
HT TX Max spatial streams: 1
HT TX MCS rate indexes supported may differ
Bitrates (non-HT):
* 1.0 Mbps
* 2.0 Mbps (short preamble supported)
* 5.5 Mbps (short preamble supported)
* 11.0 Mbps (short preamble supported)
* 6.0 Mbps
* 9.0 Mbps
* 12.0 Mbps
* 18.0 Mbps
* 24.0 Mbps
* 36.0 Mbps
* 48.0 Mbps
* 54.0 Mbps
Frequencies:
* 2412 MHz [1] (20.0 dBm)
* 2417 MHz [2] (20.0 dBm)
* 2422 MHz [3] (20.0 dBm)
* 2427 MHz [4] (20.0 dBm)
* 2432 MHz [5] (20.0 dBm)
* 2437 MHz [6] (20.0 dBm)
* 2442 MHz [7] (20.0 dBm)
* 2447 MHz [8] (20.0 dBm)
* 2452 MHz [9] (20.0 dBm)
* 2457 MHz [10] (20.0 dBm)
* 2462 MHz [11] (20.0 dBm)
* 2467 MHz [12] (20.0 dBm)
* 2472 MHz [13] (20.0 dBm)
* 2484 MHz [14] (disabled)
Supported commands:
* new_interface
* set_interface
* new_key
* start_ap
* new_station
* new_mpath
* set_mesh_config
* set_bss
* authenticate
* associate
* deauthenticate
* disassociate
* join_ibss
* join_mesh
* set_tx_bitrate_mask
* frame
* frame_wait_cancel
* set_wiphy_netns
* set_channel
* set_wds_peer
* probe_client
* set_noack_map
* register_beacons
* start_p2p_device
* set_mcast_rate
* Unknown command (104)
* connect
* disconnect
Supported TX frame types:
* IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
* P2P-device: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
Supported RX frame types:
* IBSS: 0x40 0xb0 0xc0 0xd0
* managed: 0x40 0xd0
* AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
* AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
* mesh point: 0xb0 0xc0 0xd0
* P2P-client: 0x40 0xd0
* P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
* P2P-device: 0x40 0xd0
software interface modes (can always be added):
* AP/VLAN
* monitor
valid interface combinations:
* #{ AP, mesh point } <= 8,
total <= 8, #channels <= 1
HT Capability overrides:
* MCS: ff ff ff ff ff ff ff ff ff ff
* maximum A-MSDU length
* supported channel width
* short GI for 40 MHz
* max A-MPDU length exponent
* min MPDU start spacing
Device supports TX status socket option.
Device supports HT-IBSS.
Device supports low priority scan.
Device supports scan flush.
Device supports AP scan.
°°°°°°°°
poma
Comparing
- 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
& rt2800usb.ko & Co. / rt2870.bin
- 0bda:8171 Realtek Semiconductor Corp. RTL8188SU 802.11n WLAN Adapter
& r8712u.ko / rtl8712u.bin
Realtek RTL8188SU easily outperformes Ralink RT3070
in managed i.e. Station (STA) infrastructure mode, despite
...
r8712u: module is from the staging directory, the quality is unknown, you have been warned.
r8712u: Staging version
...
With the very same Access Point - AP1.
In this test, Realtek is the king of the road.
- Net draft
RT3070/RTL8188SU Wi-Fi <~20cm LOS~> AP1 Wi-Fi <-> 100Mbit Ethernet switch <-> Ethernet
???????????????
$ iperf -s -i 1
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.2.5 port 5001 connected with 192.168.2.43 port 43008
[ ID] Interval Transfer Bandwidth
[ 4] 0.0- 1.0 sec 11.0 MBytes 92.3 Mbits/sec
[ 4] 1.0- 2.0 sec 11.2 MBytes 94.0 Mbits/sec
[ 4] 2.0- 3.0 sec 11.2 MBytes 94.2 Mbits/sec
[ 4] 3.0- 4.0 sec 10.0 MBytes 83.9 Mbits/sec
[ 4] 4.0- 5.0 sec 11.2 MBytes 94.1 Mbits/sec
[ 4] 5.0- 6.0 sec 11.2 MBytes 94.2 Mbits/sec
[ 4] 6.0- 7.0 sec 11.2 MBytes 94.2 Mbits/sec
[ 4] 7.0- 8.0 sec 11.2 MBytes 94.2 Mbits/sec
[ 4] 8.0- 9.0 sec 11.2 MBytes 94.2 Mbits/sec
[ 4] 9.0-10.0 sec 11.2 MBytes 94.1 Mbits/sec
[ 4] 0.0-10.1 sec 112 MBytes 92.9 Mbits/sec
???????????????????????????
$ iperf -c 192.168.2.5 -i 1
------------------------------------------------------------
Client connecting to 192.168.2.5, TCP port 5001
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.43 port 43008 connected with 192.168.2.5 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 1.0 sec 11.5 MBytes 96.5 Mbits/sec
[ 3] 1.0- 2.0 sec 11.2 MBytes 94.4 Mbits/sec
[ 3] 2.0- 3.0 sec 11.4 MBytes 95.4 Mbits/sec
[ 3] 3.0- 4.0 sec 9.88 MBytes 82.8 Mbits/sec
[ 3] 4.0- 5.0 sec 11.2 MBytes 94.4 Mbits/sec
[ 3] 5.0- 6.0 sec 11.1 MBytes 93.3 Mbits/sec
[ 3] 6.0- 7.0 sec 11.2 MBytes 94.4 Mbits/sec
[ 3] 7.0- 8.0 sec 11.4 MBytes 95.4 Mbits/sec
[ 3] 8.0- 9.0 sec 11.1 MBytes 93.3 Mbits/sec
[ 3] 9.0-10.0 sec 11.4 MBytes 95.4 Mbits/sec
[ 3] 0.0-10.0 sec 112 MBytes 93.5 Mbits/sec
????????????????????????????????????????????????
$ iperf -s -i 1
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
[ 4] local 192.168.2.43 port 5001 connected with 192.168.2.5 port 47065
[ ID] Interval Transfer Bandwidth
[ 4] 0.0- 1.0 sec 9.34 MBytes 78.3 Mbits/sec
[ 4] 1.0- 2.0 sec 10.5 MBytes 88.5 Mbits/sec
[ 4] 2.0- 3.0 sec 11.0 MBytes 92.6 Mbits/sec
[ 4] 3.0- 4.0 sec 11.0 MBytes 92.4 Mbits/sec
[ 4] 4.0- 5.0 sec 11.1 MBytes 93.3 Mbits/sec
[ 4] 5.0- 6.0 sec 10.9 MBytes 91.7 Mbits/sec
[ 4] 6.0- 7.0 sec 11.2 MBytes 93.9 Mbits/sec
[ 4] 7.0- 8.0 sec 11.2 MBytes 93.6 Mbits/sec
[ 4] 8.0- 9.0 sec 11.0 MBytes 92.7 Mbits/sec
[ 4] 9.0-10.0 sec 11.2 MBytes 93.6 Mbits/sec
[ 4] 0.0-10.1 sec 110 MBytes 91.1 Mbits/sec
????????????????????????????
$ iperf -c 192.168.2.43 -i 1
------------------------------------------------------------
Client connecting to 192.168.2.43, TCP port 5001
TCP window size: 85.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.2.5 port 47065 connected with 192.168.2.43 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 1.0 sec 10.0 MBytes 83.9 Mbits/sec
[ 3] 1.0- 2.0 sec 10.4 MBytes 87.0 Mbits/sec
[ 3] 2.0- 3.0 sec 11.5 MBytes 96.5 Mbits/sec
[ 3] 3.0- 4.0 sec 11.2 MBytes 94.4 Mbits/sec
[ 3] 4.0- 5.0 sec 10.8 MBytes 90.2 Mbits/sec
[ 3] 5.0- 6.0 sec 11.2 MBytes 94.4 Mbits/sec
[ 3] 6.0- 7.0 sec 11.4 MBytes 95.4 Mbits/sec
[ 3] 7.0- 8.0 sec 11.0 MBytes 92.3 Mbits/sec
[ 3] 8.0- 9.0 sec 11.2 MBytes 94.4 Mbits/sec
[ 3] 9.0-10.0 sec 11.1 MBytes 93.3 Mbits/sec
[ 3] 0.0-10.0 sec 110 MBytes 91.9 Mbits/sec
?????????????????????
# iwconfig wlp0s4f1u3
wlp0s4f1u3 IEEE 802.11bgn ESSID:"AP1" Nickname:"rtl_wifi"
Mode:Managed Frequency:2.437 GHz Access Point: 00:01:02:03:04:05
Bit Rate:150 Mb/s Sensitivity:0/0
Retry:off RTS thr:off Fragment thr:off
Encryption key:****-****-****-****-****-****-****-**** Security mode:open
Power Management:off
Link Quality=100/100 Signal level=100/100 Noise level=0/100
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
???????????????????????????????
$ dmesg -t | grep 'r8712u\|2-3'
usb 2-3: new high-speed USB device number 3 using ehci-pci
usb 2-3: New USB device found, idVendor=0bda, idProduct=8171
usb 2-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
usb 2-3: Product: RTL8188S WLAN Adapter
usb 2-3: Manufacturer: Manufacturer Realtek
usb 2-3: SerialNumber: 00e04c000001
r8712u: module is from the staging directory, the quality is unknown, you have been warned.
r8712u: Staging version
r8712u: register rtl8712_netdev_ops to netdev_ops
usb 2-3: r8712u: USB_SPEED_HIGH with 4 endpoints
usb 2-3: r8712u: Boot from EFUSE: Autoload OK
usb 2-3: r8712u: CustomerID = 0x0000
usb 2-3: r8712u: MAC Address from efuse = 00:01:05:09:0b:0d
usb 2-3: r8712u: Loading firmware from "rtlwifi/rtl8712u.bin"
usbcore: registered new interface driver r8712u
r8712u 2-3:1.0 wlp0s4f1u3: renamed from wlan0
r8712u 2-3:1.0 wlp0s4f1u3: 1 RCR=0x153f00e
r8712u 2-3:1.0 wlp0s4f1u3: 2 RCR=0x553f00e
???????????????????
$ modinfo r8712u -n
/lib/modules/3.17.2-200.fc20.x86_64/kernel/drivers/staging/rtl8712/r8712u.ko.xz
???????????????????????????????????????????????????????????????????????????????
However, it is important to note,
despite the relatively low throughput
- 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
& rt2800usb.ko & Co. / rt2870.bin
is the combination full featured
http://wireless.kernel.org/en/users/Drivers - rt2800usb
??????????????????
On the other side,
despite the great throughput
- 0bda:8171 Realtek Semiconductor Corp. RTL8188SU 802.11n WLAN Adapter
& r8712u.ko / rtl8712u.bin
is the combination supports only managed i.e. Station (STA) infrastructure mode
Besides it needs some help with the suspend/resume cycle
Kernel module(r8712u) reload - suspend/resume - systemd
http://www.spinics.net/lists/linux-wireless/msg128666.html
http://wireless.kernel.org/en/users/Documentation/modes#Station_.28STA.29_infrastructure_mode
http://wireless.kernel.org/en/users/Drivers - r8712u
http://wireless.kernel.org/en/users/Drivers/rtl819x#staging_drivers - r8712u
http://wireless.kernel.org/en/users/Drivers/rtl819x#rtlwifi - rtl8192su
??????????? ??????????????????? ????????????????????
- 0bda:8171 Realtek Semiconductor Corp. RTL8188SU 802.11n WLAN Adapter
& rtl8192su.ko / rtl8192sufw.bin
is the combination supports master i.e. AccessPoint (AP) infrastructure mode,
and testing has proved, with the very low throughput, but still usable
RTL8188SU(rtl8192su) & rtl8192sufw-ap.bin
http://www.spinics.net/lists/linux-wireless/msg128031.html
http://goo.gl/3O3Tz4
poma
On Sun, Nov 02, 2014 at 06:59:15AM +0100, poma wrote:
> Higher values, are they even possible via rt2800usb.ko & Co.?
Yes.
> ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3070, rev 0201 detected
> ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0005 detected
On the same RT and RF chipsets with TP-link WR-1043ND access point I have:
# iperf -c 192.168.1.105 -i 1
------------------------------------------------------------
Client connecting to 192.168.1.105, TCP port 5001
TCP window size: 45.0 KByte (default)
------------------------------------------------------------
[ 3] local 192.168.1.100 port 56993 connected with 192.168.1.105 port 5001
[ ID] Interval Transfer Bandwidth
[ 3] 0.0- 1.0 sec 4.75 MBytes 39.8 Mbits/sec
[ 3] 1.0- 2.0 sec 8.12 MBytes 68.2 Mbits/sec
[ 3] 2.0- 3.0 sec 8.00 MBytes 67.1 Mbits/sec
[ 3] 3.0- 4.0 sec 8.75 MBytes 73.4 Mbits/sec
[ 3] 4.0- 5.0 sec 7.00 MBytes 58.7 Mbits/sec
[ 3] 5.0- 6.0 sec 9.00 MBytes 75.5 Mbits/sec
[ 3] 6.0- 7.0 sec 8.25 MBytes 69.2 Mbits/sec
[ 3] 7.0- 8.0 sec 7.75 MBytes 65.0 Mbits/sec
[ 3] 8.0- 9.0 sec 8.75 MBytes 73.4 Mbits/sec
[ 3] 9.0-10.0 sec 7.75 MBytes 65.0 Mbits/sec
[ 3] 0.0-10.0 sec 78.2 MBytes 65.5 Mbits/sec
Stanislaw
On 02.11.2014 14:00, Stanislaw Gruszka wrote:
> On Sun, Nov 02, 2014 at 06:59:15AM +0100, poma wrote:
>> Higher values, are they even possible via rt2800usb.ko & Co.?
>
> Yes.
>
>> ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 3070, rev 0201 detected
>> ieee80211 phy0: rt2x00_set_rf: Info - RF chipset 0005 detected
>
> On the same RT and RF chipsets with TP-link WR-1043ND access point I have:
>
> # iperf -c 192.168.1.105 -i 1
> ------------------------------------------------------------
> Client connecting to 192.168.1.105, TCP port 5001
> TCP window size: 45.0 KByte (default)
> ------------------------------------------------------------
> [ 3] local 192.168.1.100 port 56993 connected with 192.168.1.105 port 5001
> [ ID] Interval Transfer Bandwidth
> [ 3] 0.0- 1.0 sec 4.75 MBytes 39.8 Mbits/sec
> [ 3] 1.0- 2.0 sec 8.12 MBytes 68.2 Mbits/sec
> [ 3] 2.0- 3.0 sec 8.00 MBytes 67.1 Mbits/sec
> [ 3] 3.0- 4.0 sec 8.75 MBytes 73.4 Mbits/sec
> [ 3] 4.0- 5.0 sec 7.00 MBytes 58.7 Mbits/sec
> [ 3] 5.0- 6.0 sec 9.00 MBytes 75.5 Mbits/sec
> [ 3] 6.0- 7.0 sec 8.25 MBytes 69.2 Mbits/sec
> [ 3] 7.0- 8.0 sec 7.75 MBytes 65.0 Mbits/sec
> [ 3] 8.0- 9.0 sec 8.75 MBytes 73.4 Mbits/sec
> [ 3] 9.0-10.0 sec 7.75 MBytes 65.0 Mbits/sec
> [ 3] 0.0-10.0 sec 78.2 MBytes 65.5 Mbits/sec
>
> Stanislaw
>
For you this are the solid results?
One would expect a little more detail from you, man. :)
Care to share what are AP's:
- hardware revision
- firmware
- basic and advanced wireless settings
DD-WRT
http://www.dd-wrt.com/wiki/index.php/Supported_Devices_802.11n#TP-Link
- Model : WR1043N(D)
- H.W. : v1.1/4/5
- Platform & Frequency [MHz] : AR9132 @ 400
- RAM [MB] : 32
- Flash Mem. [MB] : 8
- Wireless NIC : Atheros ar9103 3x3 MIMO
- WLAN standard [802.11] : b/g/n
- Serial port : 1
- JTAG port : 1
- Eth. port count : 1 Gbit WAN 4 Gbit LAN
- Volt. Input [V/A] : 12V 1.5A
- Special Features notes : USB
- min required DD-WRT version: WR1043ND v.24 SP2 - build 13972 - 20100223
- Notes for Running DD-WRT : N clients connect only at G tx/rx rate,
everything else working
OpenWrt
http://wiki.openwrt.org/toh/tp-link/tl-wr1043nd
TP-Link TL-WR1043ND
- HW Version: 1.x : 2.x
- CPU : Atheros AR9132 @ 400MHz : Qualcomm Atheros QCA9558 @ 720MHz
- Ram : 32 MB : 64 MB
- Flash : 8 MB : 8 MB
- Network : 4x1 : 4x1
- Gigabit : Yes : Yes
- USB : Yes : Yes
- Serial : Yes : Yes
- JTag : Yes : No
Gargoyle
http://www.gargoyle-router.com/wiki/doku.php?id=supported_routers_-_tested_routers
TP-Link TL-WR1043ND v1-1.8
TP-LINK
http://www.tp-link.com/en/products/details/?model=TL-WR1043ND
poma
Performance with this firmware versions are even worse
ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.22
ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.233
ieee80211 phy0: rt2x00lib_request_firmware: Info - Loading firmware file 'rt2870.bin'
ieee80211 phy0: rt2x00lib_request_firmware: Info - Firmware detected - version: 0.33
????????????????????????????????????????????????????????????????????????????????????????????
Haueu this is interesting, original module rt3070sta/rt5572sta achieves the same performance
as the rt2800usb & Co. with firmware rt2870.bin version: 0.29, those with the beginning of the thread.
rt3070sta: module verification failed: signature and/or required key missing - tainting kernel
rtusb init --->
usbcore: registered new interface driver rt2870
<==== rt28xx_init, Status=0
# iwconfig ra0
ra0 Ralink STA ESSID:"AP1" Nickname:"RT2870STA"
Mode:Managed Frequency=2.437 GHz Access Point: 00:01:02:03:04:05
Bit Rate=135 Mb/s
RTS thr:off Fragment thr:off
Encryption key:...-...-...-...-...-...-...-...
Link Quality=100/100 Signal level:-17 dBm Noise level:-83 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
$ modinfo rt3070sta
filename: /lib/modules/3.17.2-200.fc20.x86_64/updates/rt3070sta.ko
version: 2.3.0.4
license: GPL
description: RT2870 Wireless Lan Linux Driver
author: Paul Lin <[email protected]>
srcversion: 0939A5C859E365CD0DC9707
alias: usb:v177Fp0153d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v148Fp2070d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0789p0166d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07FAp7712d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v13D3p3321d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v13D3p3307d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v083ApA703d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v5A57p0282d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p821Ad*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p3821d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p822Ad*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p871Ad*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p3871d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p3822d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p6899d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p870Ad*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p3870d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p899Ad*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v203Dp14A9d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0B05p1784d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v20B8p8888d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v203Dp1480d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v04BBp0948d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v04BBp0947d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v04BBp0945d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v5A57p0283d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v5A57p5257d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1D4Dp000Ed*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1D4Dp000Cd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07D1p3C17d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07D1p3C16d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07D1p3C0Fd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07D1p3C0Ed*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07D1p3C0Dd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07D1p3C0Ad*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1EDAp2310d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1A32p0304d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v7392p7711d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07B8p3072d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07B8p3071d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v07B8p3070d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v2019pAB25d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1044p800Dd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v13D3p3305d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v13D3p3273d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1740p9709d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1740p9708d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1740p9707d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1740p9706d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1740p9705d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v1740p9703d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v083ApA702d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v083ApA701d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v083Ap7511d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v18C5p0012d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v14B2p3C12d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DF6p0047d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DF6p0048d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DF6p0042d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DF6p003Ed*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p822Bd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p871Bd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p822Cd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p871Cd*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v0DB0p3820d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v148Fp3072d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v148Fp3071d*dc*dsc*dp*ic*isc*ip*in*
alias: usb:v148Fp3070d*dc*dsc*dp*ic*isc*ip*in*
depends:
vermagic: 3.17.2-200.fc20.x86_64 SMP mod_unload
parm: mac:rt28xx: wireless mac addr (charp)