Date:	Sun, 29 Apr 2012 19:49:36 +0200
From:	Sedat Dilek <sedat.dilek@...glemail.com>
To:	admin <admin@...dplug.net>
Cc:	Jim Cromie <jim.cromie@...il.com>,
	Lennert Buytenhek <buytenh@...tstofly.org>,
	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: [PATCH] mwl8k: Add 0x2a02 PCI device-id (Marvell 88W8361)

On Sun, Apr 29, 2012 at 7:34 PM, admin <admin@...dplug.net> wrote:
> On 04/29/2012 01:26 AM, Sedat Dilek wrote:
>>
>> On Sun, Apr 29, 2012 at 1:11 AM, Jim Cromie<jim.cromie@...il.com>  wrote:
>>>
>>> On Sat, Apr 28, 2012 at 4:49 PM, Sedat Dilek<sedat.dilek@...glemail.com>
>>>  wrote:
>>>>
>>>> On Sun, Apr 29, 2012 at 12:36 AM, Jim Cromie<jim.cromie@...il.com>
>>>>  wrote:
>>>>>>>
>>>>>>> As already pointed out, no Marwell WLAN hardware here. Marvell comics
>>>>>>> of course :-).
>>>
>>> (I had to leave that one..:-)
>>>
>>>
>>>
>>>>>> A new tarball from lautriv with same outputs as before, but now tested
>>>>>> with Linux-3.4-rc4.
>>>>>>
>>>>>> - Sedat -
>>>>>
>>>>>
>>>>> heres my logs, using firmware extracted by Sedat's script,
>>>>> and the patch on mwl8k.c
>>>>>
>>>>> bottom-line, it appears to be working.
>>>>>
>>>>> its contents are a bit more pedantic, and includes data for
>>>>> another wifi card (rtl8180 based) also in the box.
>>>>> It was obtained by this script:
>>>>>
>>>>> #!/bin/bash
>>>>>
>>>>> # dmesg (Linux-3.3.3)
>>>>> # e_n_a (/etc/network/interfaces)
>>>>> # ifconfig output
>>>>> # iwconfig output
>>>>> # iw_phy output
>>>>> # ps_axu (WPA) output
>>>>>
>>>>> devs="wlan0 wlan1"
>>>>> apmac=00:14:d1:e8:65:0a
>>>>>
>>>>> loudly () {
>>>>>    echo "# $@"
>>>>>    fname=`echo $@ | sed -e 's/ /-/g'`
>>>>>    $@ 2>  $fname-err | tee $fname
>>>>>    [ $? != 0 ]&&  echo non-zero exit on $fname: $?
>>>>>    [ -s $fname-err ] || rm $fname-err
>>>>> }
>>>>>
>>>>> ( iw --debug event -f>  iw-event-f )&
>>>>> pid_event=$!
>>>>>
>>>>> for N in 0 1 ; do
>>>>>    loudly iw dev wlan$N interface add fish$N type monitor # flags none
>>>>>    loudly iw dev fish$N set channel 8
>>>>>    loudly ifconfig fish$N up
>>>>>    ( tcpdump -i fish$N -s 65000 -p -U -w  fish$N.dump )&
>>>>>    pid_dump_fish$N=$!
>>>>> done
>>>>>
>>>>> loudly iw list
>>>>>
>>>>> #loudly iwspy
>>>>> # gives: Interface doesn't support wireless statistic collection
>>>>>
>>>>> for dev in $devs ; do
>>>>>    loudly ifconfig $dev
>>>>>    loudly iwconfig $dev
>>>>>    loudly iwlist $dev scan
>>>>>    loudly iw dev $dev info
>>>>>    loudly iw dev $dev link
>>>>>    loudly iw dev $dev scan
>>>>>    loudly iw dev $dev survey dump
>>>>> done
>>>>>
>>>>> for phy in $phys ; do
>>>>>    loudly iw phy $phy info
>>>>> done
>>>>>
>>>>> # these are unsupported on wlan0
>>>>> loudly iw dev wlan1 survey dump
>>>>> loudly iw dev wlan1 station dump
>>>>> loudly iw dev wlan1 station get $apmac
>>>>>
>>>>>
>>>>> for N in 0 1 ; do
>>>>>    loudly iw dev fish$N del
>>>>> done
>>>>>
>>>>> kill $pid_dump_fish0 $pid_dump_fish0
>>>>> kill $pid_event
>>>>>
>>>>> dmesg>  dmesg
>>>>>
>>>>> grep -vE '^#|key' /etc/network/interfaces>  e_n_a
>>>>>
>>>>> exit
>>>>
>>>> Hi Jim,
>>>>
>>>> thanks for your testing and the nice testcase-script!
>>>>
>>>> lautriv you wanna run some more tests with Jim's script?
>>>>
>>>> Jim, how stable/fast/reliable is your WLAN connection?
>>>> Suspend/resume tested?
>>>
>>> I havent tested reliability in any way.
>>> in fact, I havent tested any data-xfer per se,
>>> will do an iperf test soon.
>>>
>>> That said, bitrate is quite low, I havent looked at why.
>>>
>>> jimc@...mly:~/projects/lx/wifi/mwl8k-8361p-logs$ grep -i MBit *
>>> iw-dev-wlan0-link:      tx bitrate: 11.0 MBit/s
>>> iw-dev-wlan1-link:      tx bitrate: 1.0 MBit/s
>>> iw-dev-wlan1-station-dump:      tx bitrate:     1.0 MBit/s
>>> iw-dev-wlan1-station-get-00:14:d1:e8:65:0a:     tx bitrate:     1.0
>>> MBit/s
>>>
>>> my laptop is much faster than both cards in the soekris box, to same AP
>>>
>>> Connected to 00:14:d1:e8:65:0a (on wlan0)
>>>        SSID: yoduh
>>>        freq: 2447
>>>        RX: 191134302 bytes (2120068 packets)
>>>        TX: 17440426 bytes (120666 packets)
>>>        signal: -45 dBm
>>>        tx bitrate: 54.0 MBit/s
>>>
>>>        bss flags:
>>>        dtim period:    0
>>>        beacon int:     100
>>>
>>>
>>> If you all have some suggestions on this, Id like to hear them.
>>> And of course, any other testing you'd like too.
>>>
>>>
>>>> Hope this helps to get native Linux support for 8361p.
>>>
>>> hear hear.
>>> FWIW,  I pulled this card out of a dead Netgear WNR854T,
>>> which is linux based (and GPL compliant)
>>>
>>>> Regards,
>>>> - Sedat -
>>>>
>>>> P.S.: BTW, only to clarify it should be "e_n_i" as short-form for
>>>> /etc/network/interfaces file, but e_n_a sounds more female and nicer
>>>> :-).
>>>
>>> I caught that, but it wasnt worth "correcting" ;-)
>>>
>>> thanks
>>> Jim
>>
>> Unfortunately, [1] says not much about debugging.
>> Anyway, Lennert has some new informations.
>> Let's see what the experts will say.
>>
>> - Sedat -
>>
>> [1] http://wireless.kernel.org/en/users/Drivers/mwl8k
>>
>
> ok, as far as i can see for now, it looks like the actual solution is
> ignoring/rejecting any manual command to set parameters, neither iwconfig
> nor iw will change any settings. wpa_sup brings the card up and does also
> WPA2 but nothing else is tuneable thus a connection via 1Mb/s.
>
> attaching a tarball from the results of the script which produced 42 files
> of output.
>

Credits for the script go to Jim, not me!

- Sedat -
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