mbufq-less iwn(4)

Rui Paulo rpaulo at me.com
Tue Sep 1 22:20:31 UTC 2015


On Tue, 2015-09-01 at 12:33 -0700, Adrian Chadd wrote:
> hi,
> 
> We have to do mbuf queues in drivers for wifi, because of 11n
> aggregation. So on one hand we want to have if_transmit() apply
> backpressure through the stack, but there's also going to be some
> buffering. :P

net80211 also has an ageq which was added to hold mbufs while the mesh
peer link was being established.

-- 
Rui Paulo


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