From: Luis R. Rodriguez <lrodriguez@atheros.com>
To: ath9k-devel@lists.ath9k.org
Subject: [ath9k-devel] [AR9160]: 3 RX chain operation in 11abg legacy-only mode?
Date: Mon, 27 Sep 2010 11:19:52 -0700 [thread overview]
Message-ID: <20100927181952.GC2429@tux> (raw)
In-Reply-To: <AANLkTinnxd4AtQoF8w-TwomGG_3S0YR+1OBpu+MC9kL=@mail.gmail.com>
On Sat, Sep 25, 2010 at 08:14:43PM -0700, Adrian Chadd wrote:
> Hi,
>
> FreeBSD's AR9160 support enables all three RX chains in legacy mode.
> The ath9k codebase doesn't - it calibrates all three chains, but the
> ADC calibration results in legacy mode give all 0x0's for chain 1 and 2.
> (And seemingly invalid results for chain 0 in 11g mode, but that's another
> issue which I am hoping someone will comment on.)
>
> Is there any benefit or detriment to leaving RX chains 1 and 2 enabled
> when in 11a/11bg mode? Does the unit do any kind of multipath
> discrimination?
Good question, not sure, but I can see the benefit of enabling other
chains for selection diversity for legacy, perhaps we just never
bothered implementing that on ath9k on Linux.
Luis
next prev parent reply other threads:[~2010-09-27 18:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-26 3:14 [ath9k-devel] [AR9160]: 3 RX chain operation in 11abg legacy-only mode? Adrian Chadd
2010-09-27 18:19 ` Luis R. Rodriguez [this message]
2010-09-27 19:25 ` Felix
2010-09-27 19:33 ` Luis R. Rodriguez
2010-09-27 20:32 ` Felix
2010-09-27 20:41 ` Daniel Halperin
2010-09-27 20:53 ` Luis R. Rodriguez
2010-09-28 0:04 ` Adrian Chadd
2010-09-28 0:22 ` Adrian Chadd
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