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

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Message-ID: <20190425083558.p3kqodaawr2jcfhr@gondor.apana.org.au>
Date:   Thu, 25 Apr 2019 16:35:58 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Johannes Berg <johannes@...solutions.net>
Cc:     Toke Høiland-Jørgensen <toke@...hat.com>,
        Arend Van Spriel <arend.vanspriel@...adcom.com>,
        Felix Fietkau <nbd@....name>, linux-wireless@...r.kernel.org,
        Eric Dumazet <eric.dumazet@...il.com>, netdev@...r.kernel.org
Subject: Re: [PATCH 5/5] mac80211: set NETIF_F_LLTX when using intermediate
 tx queues

On Tue, Apr 23, 2019 at 02:41:33PM +0200, Johannes Berg wrote:
>
> I guess there might be value in returning NET_XMIT_CN anyway, but I
> think you're right in that we can never return anything but
> NET_XMIT_SUCCESS or NET_XMIT_CN since we never drop this new packet,
> just older ones.
> 
> Which, btw, is exactly the same with net/sched/sch_fq_codel.c, AFAICT?

Pretty sure codel does return NET_XMIT_CN.

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