[ath9k-devel] ath9k_htc test release: please test

[Oleksij Rempel <linux@rempel-privat.de>]

Hi Vikranth,

i was not able to reproduce your issue. For some time you have sended
some kernel debug messages. Plase send kernel patch you used to get this
result. Describe host configuration and kind of monitored traffik needed
to reproduce it.

Am 17.10.2013 15:31, schrieb vikranth reddy:
> Hi Oleksij, Adrian
> 
> Thanks for Reply.
> 
> We are using Sony-UWA BR100 Adapter with AR7010+AR9280 chipset. We are
> using compat-wireless-3.6.8 in x86 machine with Intel Core i5.
> 
> In monitor mode, we see for some packets the TSF difference is negative
> for consecutive captured packets, which confuses our analysis software
> in application. 
> 
> Last year Nov, Adrian had given a test-release with a fix for this
> issue, I was wondering whether this fix is updated in latest ath9k_htc
> firmware or not.
> 
> Thanks
> Vikranth
> 
> 
> On Wed, Oct 16, 2013 at 8:41 PM, Oleksij Rempel <linux@rempel-privat.de
> <mailto:linux@rempel-privat.de>> wrote:
> 
>     Hi Vikranth,
> 
>     i can't find detailed description of this problem.
>     Can you please attach patches you use for debugging and information
>     about
>     your testing setup, hw, usb controller, etc.  Please describe
>     symptom of this
>     problem, for example connection lost etc.
> 
>     Am 16.10.2013 12:19, schrieb vikranth reddy:
> 
>     > Hi Adrian, List,
>     >
>     > We are still finding the same negative timestamp difference (between
>     > consecutive packets) issue with some of packets, with latest ath9_htc
>     > open-source firmware version.
>     >
>     > Adrian,
>     >
>     > Did you add this fix into open-source version of ath9k_htc
>     > firmware already? or still its not updated in it.
>     >
>     >
>     > Thanks
>     > Vikranth
>     >
>     >
>     >
>     >
>     > On Tue, Dec 4, 2012 at 11:36 AM, vikranth reddy
>     > <vikranth.reddydeveloper@gmail.com
>     <mailto:vikranth.reddydeveloper@gmail.com>
>     > <mailto:vikranth.reddydeveloper@gmail.com
>     <mailto:vikranth.reddydeveloper@gmail.com>>> wrote:
>     >
>     > Hi Adrian,
>     >
>     > Sorry for delayed reply!
>     >
>     > Here the debug-logs are added only for the cases where there is
>     > negative time-difference, not for success case. Logs below, that you
>     > pointed out, are not from consecutive packets.
>     >
>     >
>     > > Nov 29 10 36 49 [ 122.787519] #######now = 64609 prev =
>     > 2683598441314 diff = -2683598376705
>     > > Nov 29 10 36 49 [ 122.947963] #######now = 2683598748946 prev
>     > = 2684354687871 diff = -755938925
>     >
>     > All the guys here, who reported as successfully working, have tested
>     > with AR9271 not with AR7010+AR9280. Not sure if there is any
>     > difference between two firmwares (htc_7010.fw and htc_9271.fw). ?
>     >
>     > Like you mentioned we are measuring time-difference between two
>     > consecutive packets, irrespective of packet-type. That might have an
>     > issue still.
>     >
>     > Hope to see a fix for this issue in next official release
>     >
>     > Thanks for your support on this issue.
>     >
>     > Thanks
>     > Vikranth
>     >
>     > On Fri, Nov 30, 2012 at 11:13 PM, Adrian Chadd <adrian@freebsd.org
>     <mailto:adrian@freebsd.org>
>     > <mailto:adrian at freebsd.org <mailto:adrian@freebsd.org>>> wrote:
>     >
>     > As I said, the cozybit guys reported that the TSF increment is
>     > behaving correctly. Maybe it's only behaving correctly for beacons
>     > here, hm.
>     >
>     > Also, look:
>     >
>     > > Nov 29 10 36 49 [ 122.787519] #######now = 64609 prev =
>     > 2683598441314 diff = -2683598376705
>     > > Nov 29 10 36 49 [ 122.947963] #######now = 2683598748946
>     > prev = 2684354687871 diff = -755938925
>     >
>     > Your now/prev values are all messed up, the second prev should been
>     > 64609, right?
>     >
>     > In any case, unless it's really obvious to fix, I'm just going to
>     > leave this as-is as it's the same behaviour as previous firmware.
>     > (Which is my aim here..)
>     >
>     >
>     > Adrian


-- 
Regards,
Oleksij