From: Felix Fietkau <nbd@openwrt.org>
To: Larry Finger <Larry.Finger@lwfinger.net>
Cc: Johannes Berg <johannes@sipsolutions.net>,
linux-wireless <linux-wireless@vger.kernel.org>
Subject: Re: Regression in commit 0d528d8
Date: Thu, 10 Oct 2013 23:35:38 +0200 [thread overview]
Message-ID: <52571DAA.60502@openwrt.org> (raw)
In-Reply-To: <52571723.5020000@lwfinger.net>
On 2013-10-10 11:07 PM, Larry Finger wrote:
> Commit 0d528d8 by Felix Fietkau, entitled "mac80211: improve the rate control
> API", causes the rtlwifi-family of drivers to be unable to connect to an 802.11g
> network. A bisection led to this commit, which was confirmed by reversing the patch.
>
> The drivers can connect to a 802.11n networks, which is why the problem has gone
> undetected from kernel 3.10 till now.
>
> These drivers use the rate-control mechanism in their firmware. I suspect that
> this is causing the problem. What actions do the drivers need to take that were
> not required before this patch?
I don't recall any necessary extra actions introduced by this patch.
Please compare the rate selection info passed to the driver before and
after this patch, by dumping info->control.rates.
- Felix
next prev parent reply other threads:[~2013-10-10 21:35 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-10 21:07 Regression in commit 0d528d8 Larry Finger
2013-10-10 21:35 ` Felix Fietkau [this message]
2013-10-11 19:42 ` Larry Finger
2013-10-11 19:47 ` Felix Fietkau
2013-10-11 19:59 ` Larry Finger
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