Hello,
I’m working on a mt7621
board with RM500Q-GL
module with openwrt version, 17.01
and kernel 4.4.198
.
I got the qmi_wwan_q
driver from the link below -
https://forums.quectel.com/t/rm500q-linux-drivers/11876
The qmi_wwan_q
driver version is V1.2.1
and that of QConnectManager
is V1.6.1
.
ISSUE:
I’m unable to get the 5G download speed more than 100-110 Mbps
.
The upload speed is about 100Mbps
. When checked on phone, the 5G download speed is about 800Mbps
.
1) What is the cause of download speed getting limited to 110Mbps
? and How can I increase it to about 800Mbps
?
The device is getting connected on 5G (NSA) and is in QMI
mode as can be seen from the AT
commands shown below.
But from the logs, I can see that the device is registered as RMNET/USB device instead of WWAN/QMI device.
[ 238.600722] qmi_wwan_q 2-1:1.4 wwan0: register 'qmi_wwan_q' at usb-1e1c0000.usb-1, RMNET/USB device, 26:5c:b5:e7:46:d3
2) How do i set it back to WWAN/QMI device
?
Also, setting qmap_mode
to 0
doesn’t up the interface without qmap
mode.
insmod qmi_wwan_q.ko qmap_mode=0
Below is the output for usb devices as well as lsusb -t
.
cat /sys/kernel/debug/usb/devices
T: Bus=02 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=5000 MxCh= 1
B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 3.00 Cls=09(hub ) Sub=00 Prot=03 MxPS= 9 #Cfgs= 1
P: Vendor=1d6b ProdID=0003 Rev= 4.04
S: Manufacturer=Linux 4.4.198 xhci-hcd
S: Product=xHCI Host Controller
S: SerialNumber=1e1c0000.usb
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms
T: Bus=02 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=5000 MxCh= 0
D: Ver= 3.20 Cls=00(>ifc ) Sub=00 Prot=00 MxPS= 9 #Cfgs= 1
P: Vendor=2c7c ProdID=0800 Rev= 4.14
S: Manufacturer=Quectel
S: Product=RM500Q-GL
S: SerialNumber=85e399e2
C:* #Ifs= 5 Cfg#= 1 Atr=a0 MxPwr=896mA
I:* If#= 0 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=30 Driver=option
E: Ad=81(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=01(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=83(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
E: Ad=82(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I:* If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=85(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
E: Ad=84(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=03(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I:* If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
E: Ad=87(I) Atr=03(Int.) MxPS= 10 Ivl=32ms
E: Ad=86(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=04(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
I:* If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan_q
E: Ad=88(I) Atr=03(Int.) MxPS= 8 Ivl=32ms
E: Ad=8e(I) Atr=02(Bulk) MxPS=1024 Ivl=0ms
E: Ad=0f(O) Atr=02(Bulk) MxPS=1024 Ivl=0ms
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=480 MxCh= 2
B: Alloc= 0/800 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 2.00 Cls=09(hub ) Sub=00 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=1d6b ProdID=0002 Rev= 4.04
S: Manufacturer=Linux 4.4.198 xhci-hcd
S: Product=xHCI Host Controller
S: SerialNumber=1e1c0000.usb
C:* #Ifs= 1 Cfg#= 1 Atr=e0 MxPwr= 0mA
I:* If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 4 Ivl=256ms
lsusb -t
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=xhci-mtk/1p, 5000M
|__ Port 1: Dev 2, If 0, Class=Vendor Specific Class, Driver=option, 5000M
|__ Port 1: Dev 2, If 1, Class=Vendor Specific Class, Driver=option, 5000M
|__ Port 1: Dev 2, If 2, Class=Vendor Specific Class, Driver=option, 5000M
|__ Port 1: Dev 2, If 3, Class=Vendor Specific Class, Driver=option, 5000M
|__ Port 1: Dev 2, If 4, Class=Vendor Specific Class, Driver=qmi_wwan_q, 5000M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=xhci-mtk/2p, 480M
Below are the logs for insmod -
insmod qmi_wwan_q.ko
[ 238.562782] qmi_wwan_q 2-1:1.4: cdc-wdm0: USB WDM device
[ 238.574453] qmi_wwan_q 2-1:1.4: Quectel RM500Q-GL work on RawIP mode
[ 238.588092] qmi_wwan_q 2-1:1.4: rx_urb_size = 31744
[ 238.600722] qmi_wwan_q 2-1:1.4 wwan0: register 'qmi_wwan_q' at usb-1e1c0000.usb-1, RMNET/USB device, 26:5c:b5:e7:46:d3
[ 238.626013] net wwan0: qmap_register_device wwan0_1
[ 238.630083] IPv6: ADDRCONF(NETDEV_UP): wwan0_1: link is not ready
[ 238.648496] usbcore: registered new interface driver qmi_wwan_q
[ 238.676590] IPv6: ADDRCONF(NETDEV_UP): wwan0: link is not ready
Below are the logs quectel-CM tool -
./quectel-CM &
[ main.c-0847: 06-04_03:59:58:025] QConnectManager_Linux_V1.6.1
[ device.c-0293: 06-04_03:59:58:045] Find /sys/bus/usb/devices/2-1 idVendor=0x2c7c idProduct=0x800, bus=0x002, dev=0x002
[ device.c-0377: 06-04_03:59:58:049] Auto find qmichannel = /dev/cdc-wdm0
[ device.c-0378: 06-04_03:59:58:050] Auto find usbnet_adapter = wwan0
[ device.c-0573: 06-04_03:59:58:052] netcard driver = qmi_wwan_q, driver version = V1.2.1
[qmap_bridge_mode.c-0322: 06-04_03:59:58:060] qmap_mode = 1, qmap_version = 9, qmap_size = 31744, muxid = 0x81, qmap_netcard = wwan0_1
[ main.c-0667: 06-04_03:59:58:061] Modem works in QMI mode
[ QmiWwanCM.c-0341: 06-04_03:59:58:083] cdc_wdm_fd = 7
[ QmiWwanCM.c-0177: 06-04_03:59:58:440] Get clientWDS = 15
[ QmiWwanCM.c-0178: 06-04_03:59:58:472] Get clientDMS = 1
[ QmiWwanCM.c-0179: 06-04_03:59:58:505] Get clientNAS = 4
[ QmiWwanCM.c-0183: 06-04_03:59:58:536] Get clientUIM = 1
[ QmiWwanCM.c-0184: 06-04_03:59:58:568] Get clientWDA = 1
[ QMIThread.c-2183: 06-04_03:59:58:600] requestBaseBandVersion RM500QGLABR11A06M4G
[ QMIThread.c[ 2480.442447] net wwan0: ul_data_aggregation_max_datagrams=11, ul_data_aggregation_max_size=4096, dl_minimum_padding=0
-0752: 06-04_03:59:58:632] qmap_settings.rx_urb_size = 31744
[ QMIThread.c-0761: 06-04_03:59:58:633] qmap_settings.ul_data_aggregation_max_datagrams = 11
[ QMIThread.c-0767: 06-04_03:59:58:633] qmap_settings.ul_data_aggregation_max_size = 4096
[ QMIThread.c-0773: 06-04_03:59:58:634] qmap_settings.dl_minimum_padding = 0
[ QMIThread.c-0968: 06-04_03:59:58:760] requestGetSIMStatus SIMStatus: SIM_READY
[ QMIThread.c-2063: 06-04_03:59:58:792] requestGetProfile[1] airtelgprs.com///0/IPV4
[ QMIThread.c-1634: 06-04_03:59:58:824] requestRegistrationState2 MCC: 404, MNC: 45, PS: Attached, DataCap: 5G_NSA
[ QMIThread.c-1769: 06-04_03:59:58:856] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED
[ udhcpc.c-0034: 06-04_03:59:58:865] ifconfig wwan0 down
[ udhcpc.c-0034: 06-04_03:59:58:878] ifconfig wwan0_1 0.0.0.0
[ udhcpc.c-0034: 06-04_03:59:58:888] ifconfig wwan0_1 down
[ QMIThread.c-1815: 06-04_03:59:58:920] requestSetupDataCall WdsConnectionIPv4Handle: 0xfaa330c0
[ 2480.857293] net wwan0: link_state 0x0 -> 0x1
[ udhcpc.c-0034: 06-04_03:59:59:058] ifconfig wwan0 up
[ udhcpc.c-0034: 06-04_03:59:59:070] ifconfig wwan0_1 up
[ udhcpc.c-0159: 06-04_03:59:59:100] busybox udhcpc -f -n -q -t 5 -i wwan0_1
udhcpc: started, v1.25.1
udhcpc: sending discover
udhcpc: sending select for 10.14.9.116
udhcpc: lease of 10.14.9.116 obtained, lease time 7200
[ udhcpc.c-0169: 06-04_03:59:59:493] udhcpc: ifconfig wwan0_1 10.14.9.116 netmask 255.255.255.248 broadcast +
[ udhcpc.c-0169: 06-04_03:59:59:507] udhcpc: setting default routers: 10.14.9.117
I get IP on wwan0_1
–
wwan0 Link encap:Ethernet HWaddr 26:5C:B5:E7:46:D3
inet6 addr: fe80::245c:b5ff:fee7:46d3/64 Scope:Link
UP RUNNING NOARP MTU:1500 Metric:1
RX packets:2 errors:0 dropped:0 overruns:0 frame:0
TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:632 (632.0 B) TX bytes:672 (672.0 B)
wwan0_1 Link encap:Ethernet HWaddr 26:5C:B5:E7:46:D3
inet addr:10.14.9.116 Mask:255.255.255.248
inet6 addr: fe80::245c:b5ff:fee7:46d3/64 Scope:Link
UP RUNNING NOARP MTU:1500 Metric:1
RX packets:2 errors:0 dropped:0 overruns:0 frame:0
TX packets:2 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:640 (640.0 B) TX bytes:672 (672.0 B)
Port /dev/ttyUSB2
Press CTRL-A Z for help on special keys
at
OK
ATI
Quectel
RM500Q-GL
Revision: RM500QGLABR11A06M4G
OK
at+cops?
+COPS: 0,0,"IND airtel airtel",13
OK
AT+QNWPREFCFG= "mode_pref"
+QNWPREFCFG: "mode_pref",AUTO
OK
at+qcfg="usbnet"
+QCFG: "usbnet",0
OK
AT+QENG="servingcell"
+QENG: "servingcell","NOCONN"
+QENG: "LTE","FDD",404,45,2C0830C,340,1301,3,5,5,2042,-80,-10,-51,14,13,-90,-
+QENG:"NR5G-NSA",404,45,20,-80,16,-11,627936,78,12,1
OK
at+cgdcont?
+CGDCONT: 1,"IP","airtelgprs.com","0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
+CGDCONT: 2,"IPV4V6","ims","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
+CGDCONT: 3,"IPV4V6","sos","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,1,,,,,,,,,"",,,,0
+CGDCONT: 4,"IPV4V6","airtelgprs.com","0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0",0,0,0,0,,,,,,,,,"",,,,0
OK