FS#45263 - iwconfig fails to display Link Quality

Attached to Project: Arch Linux
Opened by Fritz Reichwald (V155) - Monday, 08 June 2015, 13:10 GMT
Last edited by Doug Newgard (Scimmia) - Thursday, 11 June 2015, 15:23 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To No-one
Architecture x86_64
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 0
Private No

Details

Running latest stable arch and recognized that iwconfig does not display the
correct Link Quality and Signal Strength.

I executed: »iwconfig wlp3s0«
To compare it with another value I ran »iw wlp3s0 link« (there the field is called "signal")
I also recognized that the output of iwconfig does not change over time for the
2 named Fields.
To get more information I did: »strace iwconfig wlp3s0« and got:
"ioctl(3, SIOCGIWSENS, 0x7fff82bf2ac0) = -1 EOPNOTSUPP (Operation not supported)"
(And also for 2 other calls a 'not supported'
Because latest iwconfig version is more than 1 year old there might be a change
in the api in the meantime.
Full strace output can be found here: https://paste.xinu.at/tLteE/

Some Versioninformation:
Linux: 4.0.4-2-ARCH #1 SMP PREEMPT Fri May 22 03:05:23 UTC 2015 x86_64 GNU/Linux
iwconfig: wireless_tools 30.pre9-1

(as a following error wireless_link_qual_perc in conky does not work too)

Kind regards
Fritz
This task depends upon

Closed by  Doug Newgard (Scimmia)
Thursday, 11 June 2015, 15:23 GMT
Reason for closing:  Upstream
Comment by Jan de Groot (JGC) - Monday, 08 June 2015, 17:35 GMT
Wireless-tools is deprecated and doesn't support all features in current drivers. Use iw instead.
Comment by Fritz Reichwald (V155) - Tuesday, 09 June 2015, 10:17 GMT
Ok. Thanks for the answer and sry for the noise.

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