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Date:      Fri, 15 Jun 2012 14:23:47 +0200
From:      Monthadar Al Jaberi <monthadar@gmail.com>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        freebsd-current@freebsd.org, freebsd-wireless@freebsd.org
Subject:   Re: ath(4) now defaults to 802.11n on GENERIC/i386 and GENERIC/amd64
Message-ID:  <CA%2BsBSo%2BhFCvf%2BuE2FJ_0VsciUcrpa8tbrjcVu3_weU-QqWt-_Q@mail.gmail.com>
In-Reply-To: <CAJ-VmokTXZJ41YO1Z2K7cRbLUspNFNyJh08=Nh%2BFoGxuWXKbvg@mail.gmail.com>
References:  <CAJ-Vmok=9RosrDPHveJWA_%2B2Av=%2BOnstHU7W=QmNpmUHiANR9w@mail.gmail.com> <CAJ-VmokTXZJ41YO1Z2K7cRbLUspNFNyJh08=Nh%2BFoGxuWXKbvg@mail.gmail.com>

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On Fri, Jun 15, 2012 at 11:00 AM, Adrian Chadd <adrian@freebsd.org> wrote:
> On 15 June 2012 01:17, Adrian Chadd <adrian@freebsd.org> wrote:
>> Hi,
>>
>> I've flipped on ATH_ENABLE_11N and the interrupt mitigation in i386
>> and amd64 GENERIC.
>
> [snip]
>
>> If you have problems, please read the wiki article:
>> http://wiki.freebsd.org/dev/ath(4) - specifically the bits where I
>> tell you to compile with the debugging and diagnostic stuff in your
>> -HEAD kernel, including the HAL/driver diagnostic APIs and tools.
>
> I've also just created a wiki page which provides a very basic
> overview of the debugging tools for the driver:
>
> http://wiki.freebsd.org/dev/ath(4)/Debugging
>
> I'll write one for net80211 tomorrow. It turns out 'wlanstats' is
> really damned helpful.

Thank you for the wiki! :)

But I am having a problem with athsurvey which is just reporting:

         min                   avg                   max
  tx%  rx%  bc%  ec%    tx%  rx%  bc%  ec%    tx%  rx%  bc%  ec%
(100.0 100.0 100.0 100.0) ( 0.0  0.0  0.0  0.0) ( 0.0  0.0  0.0  0.0)
(100.0 100.0 100.0 100.0) ( 0.0  0.0  0.0  0.0) ( 0.0  0.0  0.0  0.0)

athdebug is returning with:
athdebug: sysctl-get(dev.ath.0.debug): Cannot allocate memory

This is in my kernel config:
...
# Atheros wireless NICs
device		ath             # Atheros interface support
device		ath_pci		# Atheros PCI/Cardbus bus
options 	ATH_DEBUG
options		ATH_DIAGAPI
options		ATH_ENABLE_11N
options		AH_DEBUG
options		AH_DEBUG_ALQ
options		ALQ
device		ath_hal
option		AH_SUPPORT_AR5416
device		ath_rate_sample
option		AH_RXCFG_SDMAMW_4BYTES
option		AH_AR5416_INTERRUPT_MITIGATION
# There's no DFS radar detection support yet so this won't actually
# detect radars.  It however does enable the rest of the channel change
# machinery so DFS can be debugged.
option		ATH_ENABLE_DFS


pciconf -lbvc gives:
ath0@pci0:0:17:0:       class=0x020000 card=0x30020777 chip=0x001b168c
rev=0x01 hdr=0x00
    vendor     = 'Atheros Communications Inc.'
    device     = 'AR5413 802.11abg NIC'
    class      = network
    subclass   = ethernet
    bar   [10] = type Memory, range 32, base 0x10000000, size 65536, enabled
    cap 01[44] = powerspec 2  supports D0 D3  current D0


I am running head@235822



>
>
>
> adrian
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-- 
Monthadar Al Jaberi



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