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Re: [PATCH 5/5] mac80211: set NETIF_F_LLTX when using intermediate tx queues

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On Tue, Apr 16, 2019 at 10:04:24AM +0200, Arend Van Spriel wrote:
> 
> I was just writing up an email clarifying my question. But let me summarize
> this email thread. The patch from Felix adds this flag in mac80211 for
> drivers that indicate to support pulling packets from the internal TXQ in
> mac80211. I found it is deprecated, but as Felix mentioned it is used in
> various parts of the network subsystem, ie. batman-adv, bridge, vlan, tunnel
> implementations. So its use seems to be restricted rather than deprecated.
> Given your response above I guess my question would be to get details about
> what you call "proper design" as I think you are saying with that it is not
> needed, right?

Essentially the only time it would be OK to use LLTX in its current
form is if you have no TX queue/congestion feedback which is clearly
not the case with wireless drivers.

Chers,
-- 
Email: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt



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