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Re: d80211: How does TX flow control work?

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On Tuesday 01 May 2007 11:25, Jiri Benc wrote:
> On Tue, 01 May 2007 16:18:52 +0200, Jan Kiszka wrote:
> > Already tried this lethal command? Works "fine" here...
> >
> > #tc qdisc del dev wmaster0 root
>
> I cannot reproduce it too.
>
I can reproduce it. I thought qdiscs couldn't be changed without taking the 
interface down first.. which is not true. It merely waits for things to quiet 
down before swapping out the qdisc.

Some code in ieee80211_master_start_xmit probably will be needed to correctly 
handle things if the ieee80211 qdisc isn't installed. I don't see an easy way 
to prevent things from working all the time if the qdisc is removed.

-Michael Wu

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