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From: Oleksij Rempel <fishor@gmx.net>
To: ath9k-devel@lists.ath9k.org
Subject: [ath9k-devel] [USB] AR7010+AR9280 missing tx_bitrate at 5GHz
Date: Wed, 21 Oct 2015 14:52:14 +0200	[thread overview]
Message-ID: <56278A7E.7070803@gmx.net> (raw)
In-Reply-To: <56265C46.3090107@gmail.com>

Hi,

suddenly i can't provide any help here until you get latest wifi code +
latest firmware for this adapter.

Am 20.10.2015 um 17:22 schrieb ferran:
> Hello everyone,
> 
> I have been working around a bad behaviour with Linux Penguin's
> TPE-NUSBDB, that uses AR7010 and AR9280 chips.  I have found that
> cfg80211 reports weird tx bitrates when the device is  operating at mesh
> mode at 5GHz band. From inside mac80211, the reported rate is zero,
> which makes it lethal to calculate a frame duration due to div by zero.
> From iw part, the reported values is sometimes "518", sometimes  just
> invalid characters. I have checked that it only happens at 5GHz.
> 
> ###
> $ iw --version
> iw version 4.1
> 
> $ uname -a
> Linux raspberrypi 3.10-3-rpi #1 Debian 3.10.11-1+rpi7 (2014-05-05)
> armv6l  GNU/Linux
> 
> $ iw dev mesh0 station dump
> Station e0:ca:94:5f:xx:xx (on mesh0)
> [...]
> tx bitrate:    518.0 MBit/s
> rx bitrate:    6.0 MBit/s
> ###
> 
> By the moment I haven't been able to test it in a newer kernel. For mesh
> mode to work, I need to disable "no-IR" flag configuring a new db.txt
> for CRDA.
> 
> I have read "usb related issues" on ath9k_htc firmware github page
> (https://github.com/qca/open-ath9k-htc-firmware/wiki/usb-related-issues)
> but I can't relate directly any of them to my problem. Is this already
> covered?
> 
> Thank you in advance for your time and work!
> Ferran
> 
> _______________________________________________
> ath9k-devel mailing list
> ath9k-devel at lists.ath9k.org
> https://lists.ath9k.org/mailman/listinfo/ath9k-devel
> 


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  reply	other threads:[~2015-10-21 12:52 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-10-20 15:22 [ath9k-devel] [USB] AR7010+AR9280 missing tx_bitrate at 5GHz ferran
2015-10-21 12:52 ` Oleksij Rempel [this message]
2015-10-23 15:42   ` ferran

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