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From: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
To: Daniel Drake <dsd-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
	Stefano Brivio <st3-sGOZH3hwPm2sTnJN9+BGXg@public.gmane.org>,
	John Linville <linville-2XuSBdqkA4R54TAoqtyWWQ@public.gmane.org>,
	Michael Buesch <mb-fseUSCV1ubazQB+pC5nmwQ@public.gmane.org>,
	Bcm43xx-dev-0fE9KPoRgkgATYTw5x5z8w@public.gmane.org,
	Larry Finger
	<Larry.Finger-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
Subject: Re: [PATCH] softmac: remove netif_tx_disable when scanning
Date: Sun, 26 Nov 2006 11:07:16 +0100	[thread overview]
Message-ID: <1164535636.21459.7.camel@johannes.berg> (raw)
In-Reply-To: <45691273.9090803-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>


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On Sat, 2006-11-25 at 23:05 -0500, Daniel Drake wrote:

> Surely disabling the queue actually makes sense, in order to avoid 
> frames designated for the "current session" being transmitted on 
> different channels during scanning?

Also, for bcm43xx this isn't a problem since the firmware (optionally
but we use that afaik) takes care of not transmitting frames that are
tagged for a different channel than currently tuned to. This is
necessary because the packets travel through a FIFO and radio tuning is
done by the driver without it knowing how much is still in the FIFO and
a full disable is quite expensive (in terms of the time needed.)

johannes

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  parent reply	other threads:[~2006-11-26 10:07 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-11-26  0:16 [PATCH] softmac: remove netif_tx_disable when scanning Larry Finger
2006-11-26  4:05 ` Daniel Drake
2006-11-26 10:03   ` Johannes Berg
2006-11-26 12:12     ` Michael Buesch
     [not found]       ` <200611261312.20442.mb-fseUSCV1ubazQB+pC5nmwQ@public.gmane.org>
2006-11-26 13:05         ` Larry Finger
     [not found]           ` <4569912C.1000506-tQ5ms3gMjBLk1uMJSBkQmQ@public.gmane.org>
2006-11-26 13:06             ` Michael Buesch
     [not found]     ` <1164535408.21459.3.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
2006-11-26 16:37       ` Daniel Drake
2006-11-26 16:51         ` Johannes Berg
     [not found]           ` <1164559882.22909.5.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
2006-11-26 18:25             ` Daniel Drake
2006-11-26 18:40               ` Johannes Berg
     [not found]                 ` <1164566436.22909.26.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
2006-11-26 19:03                   ` Larry Finger
2006-11-27  4:13                   ` Daniel Drake
2006-11-27 15:49         ` Michael Buesch
     [not found]   ` <45691273.9090803-aBrp7R+bbdUdnm+yROfE0A@public.gmane.org>
2006-11-26 10:07     ` Johannes Berg [this message]
2006-11-26 12:25   ` Michael Buesch

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