How to obtain Link Quality information

Iñaki Pascual ipascual at
Wed Jul 13 08:37:10 PDT 2016

Hi Ben,

yes, I tried, it shows signal value but not link quality :(

onet at sc229:~$ iw dev wlan2 station dump
Station 04:f0:21:18:26:af (on wlan2)
     inactive time:    65 ms
     rx bytes:    3102896
     rx packets:    87403
     tx bytes:    0
     tx packets:    0
     tx retries:    0
     tx failed:    0
     signal:      -63 dBm
     signal avg:    -62 dBm
     tx bitrate:    6.0 MBit/s
     rx bitrate:    6.0 MBit/s
     authorized:    yes
     authenticated:    yes
     preamble:    long
     WMM/WME:    yes
     MFP:        no
     TDLS peer:    no
     connected time:    4476 seconds
monet at sc229:~$



On 13/07/16 16:40, Ben Greear wrote:
> On 07/13/2016 07:10 AM, Iñaki Pascual wrote:
>> Hi everyone,
>> I am trying to get link quality information from an 802.11ac 
>> interface and it looks like the only way is to use "iw wlan2 scan". I 
>> don't like this solution as
>> it scans all channels and takes a while.
>> If I try "cat /proc/net/wireless" (this would be my preferred option) 
>> the output is empty and I am not able to get this information with 
>> any other tool. Below
>> is the output for some commands I tried.
>> I am using kernel 4.2 with ath10k and Candela firmware 10.1 on a 
>> Qualcomm Atheros QCA988x
>> Any ideas on how can I get the link quality information?
> Did you try:
> iw dev wlan0 station dump
> If you want tx rate reporting, you need to run my driver patches as well
> as my firmware, but rx-rate should be reported with stock driver
> (and stock firmware, for that matter)...
> Thanks,
> Ben

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