Atheros chip for FreeBSD Access Point
rank1seeker at gmail.com
rank1seeker at gmail.com
Sun Dec 16 18:53:06 UTC 2012
> On 16 December 2012 06:38, <rank1seeker at gmail.com> wrote:
> > I need a card(PCI/PCIe) with Atheros bassed chip, for hostAP with 5Ghz
+ n support
>
> Hi!
>
> > After searching '/sys/dev/ath' for 'hostap' on '9.0-RELEASE-p5',
'AR5416' came out as a lattest chip, which supports it + N ready +
supports 5ghz + supports hardware encription
> > Exactlly ALL requierements which I target for!
>
> Yup!
>
> > However looking at:
> > http://wiki.freebsd.org/dev/ath_hal%284%29/HardwareSupport
> > Scetion: 'Known chipset issues/limitations/bugs'
> > --------
> > AR5416 (Mine choice) / AR5418
> >
> > interrupt read-and-clear bug
>
> Every chip up until the AR938x has this bug. It's ok, I've worked around
it.
>
> > PHY register read corruption bug
>
> I need to finish this WAR, but it's not a problem.
>
> > 8K max aggregate size if RTS protected, otherwise 64K max size
>
> This results in reduced throughput in 802.11n modes. It's fine, you
> can still get > 150mbit TCP out of it in quiet conditions; it just
> means in noisier conditions the smaller RTS size means you end up with
> lower performance.
>
> > radar detection limited to primary channel only
>
> We don't do radar detection yet, so no worries.
>
> > can't do 4-addr frames with aggregation; thus it can't participate
in WDS without local (Atheros) extensions
>
> I haven't made WDS + 11n work right.
>
> > block-ack issues with multi-ssid mode (?); thus aggregation is only
supported on the first (lowest?) mac address. Or, just don't create more
than one virtual 11n-enabled interface.
>
> Yup, only one VAP supported for 11n + aggregation.
>
> > --------
> > I can't decrypt those sentences, so ...
> > Should I be worried about them, as AP must give best speed and
reliability.
>
> Then you shouldn't go with the AR5416.
> >
> >
> > Then again, looking at lattes 'AR9287' chip - my WOULD_LIKE choice
>
> The AR9287 has almost all of the above bugs fixed. But it's only 2GHz.
> > --------
> > AR9227/AR9287
> >
> > interrupt read-and-clear bug
> > --------
> >
> > But it doesn't seem to support hostAP mode!
>
> It does!
>
> > If it does, then correct me!
> > Rememeber, I was searching '9.0-RELEASE-p5' code tree!
> >
> >
> > Looks like my best bet is:
> > AR5416 (with radio AR5133), but latest is AR9287
>
> Yes, but if you need 2/5GHz support, I suggest grabbing an
> AR9220/AR9280 and using that.
>
> > Additionally 'AR5416' supports hardware encription, does 'AR9287' too?
>
> Yup, all the Atheros chips support hardware encryption. Everything
> AR5212 and later supports all of the encryption types.
>
>
>
> Adrian
Thank you Adrian
So you've said: 'AR9280'
It's only bug is:
--
baseband hangs?
--
Whatever it means. ;)
At which aspects is 'AR9280' inferior to 'AR9287'?
I've found cards bassed on it here:
http://www.wikidevi.com/wiki/Special:Ask?title=Special%3AAsk&q=%5B%5BChip1+model%3A%3AAR9280%5D%5D&po=%3FInterface%0D%0A%3FFCC+ID%0D%0A%3FVendor+ID%0D%0A%3FDevice+ID%0D%0A%3FSubvendor+ID%0D%0A%3FSubdevice+ID%0D%0A%3FChip1+model%0D%0A%3FSupported+802dot11+protocols%0D%0A%3FMIMO+status%0D%0A%3FOUI%0D%0A&sort_num=&order_num=ASC&eq=yes&p%5Bformat%5D=broadtable&p%5Blimit%5D=500&p%5Bsort%5D=&p%5Boffset%5D=&p%5Bheaders%5D=show&p%5Bmainlabel%5D=&p%5Blink%5D=all&p%5Bsearchlabel%5D=&p%5Bintro%5D=&p%5Boutro%5D=&p%5Bdefault%5D=&p%5Bclass%5D=sortable+wikitable+smwtable&eq=yes
None can be found in Croatia, so ...
http://www.ebay.com/itm/Atheros-AR9280-AR5BDT92-PCI-e-Desktop-Wi-Fi-WLAN-Card-/120705075663
Atheros AR9280 AR5BDT92 PCI-e Desktop Wi Fi WLAN Card
But as I have a Dell Latitude D830, with a FULL SIZE Mini PCIe Broadcom
card, which is unusable on FreeBSD
I've found this (SAME chip):
http://www.ebay.com/itm/Atheros-AR9280-AR5009-AR5BHB92-Half-Mini-PCIe-Wireless-WLAN-WIFI-Card-802-11-n-/120774611736
Atheros AR9280 AR5009 AR5BHB92 Half Mini PCIe Wireless WLAN WIFI Card
802.11 n
Would Dell's BIOS sabotage it as "not on the white list"?
Also would I really need this extension:
http://www.ebay.com/itm/Bracket-Intel-BroadCom-Atheros-Ralink-Realtek-Half-Mini-PCIe-WLAN-Card-Full-/140833618674
Bracket Half Mini PCIe WLAN Card to Full
Domagoj
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