From: Stanislaw Gruszka <sgruszka@redhat.com>
To: Emmanuel Grumbach <egrumbach@gmail.com>
Cc: linux-wireless@vger.kernel.org,
Emmanuel Grumbach <emmanuel.grumbach@intel.com>
Subject: Re: [PATCH] iwlwifi: disable TX AMPDU by default for iwldvm
Date: Wed, 12 Feb 2014 10:21:51 +0100 [thread overview]
Message-ID: <20140212092150.GC1315@redhat.com> (raw)
In-Reply-To: <20140212091008.GB1315@redhat.com>
On Wed, Feb 12, 2014 at 10:10:08AM +0100, Stanislaw Gruszka wrote:
> On Wed, Feb 12, 2014 at 10:54:29AM +0200, Emmanuel Grumbach wrote:
> > From: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
> >
> > We have had a bug in TX AMPDU in iwldvm for a very long
> > time. This bug has been raised in many bugzillas and threads
> > on linux-wireless mailing list.
> >
> > The bug is in firmware and we won't be able to fix it in the
> > near future. Hence, we prefer to disable TX AMPDU by default
> > in iwldvm. This doesn't affect iwlmvm which supports 7160 /
> > 3160 and up.
>
> ...
>
> > #define IWL_DISABLE_HT_ALL BIT(0)
> > -#define IWL_DISABLE_HT_TXAGG BIT(1)
>
> Whouln't simple change, by setting disable_11=2 by default, make
> the same effect, and allow easly to enable TX aggregation (without
> kernel recompile) ?
Also, does the bug affect all iwldvm devices ? They have different
firmware images, so I wonder if this is needed for all DVM devices.
Stanislaw
next prev parent reply other threads:[~2014-02-12 9:22 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-02-12 8:51 pull request: iwlwifi 2013-02-12 Emmanuel Grumbach
2014-02-12 8:54 ` [PATCH] iwlwifi: disable TX AMPDU by default for iwldvm Emmanuel Grumbach
2014-02-12 9:10 ` Stanislaw Gruszka
2014-02-12 9:21 ` Stanislaw Gruszka [this message]
2014-02-12 9:35 ` Grumbach, Emmanuel
2014-02-12 9:43 ` Sujith Manoharan
2014-02-12 9:45 ` Grumbach, Emmanuel
2014-02-12 9:53 ` Sujith Manoharan
2014-02-12 10:41 ` Stanislaw Gruszka
2014-02-12 9:08 ` pull request: iwlwifi 2014-02-12 (FIXED) Emmanuel Grumbach
2014-02-12 9:09 ` [PATCH] iwlwifi: disable TX AMPDU by default for iwldvm Emmanuel Grumbach
2014-02-12 11:19 ` [RFC] iwlwifi: refactor the TX / RX ampdu override Emmanuel Grumbach
2014-02-12 12:13 ` Stanislaw Gruszka
2014-02-12 12:27 ` Grumbach, Emmanuel
2014-02-12 14:04 ` Stanislaw Gruszka
2014-02-12 20:28 ` Emmanuel Grumbach
2014-02-13 7:54 ` Stanislaw Gruszka
2014-02-13 12:28 ` [PATCH] iwlwifi: disable TX AMPDU by default for iwldvm Emmanuel Grumbach
2014-02-12 11:02 ` pull request: iwlwifi 2014-02-12 (FIXED) Emmanuel Grumbach
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