Re: [PATCH net-next] net: sched: consolidate tc_classify{,_compat}

[David Miller <davem@davemloft.net>]

From: Daniel Borkmann <daniel@iogearbox.net>
Date: Wed, 26 Aug 2015 23:00:06 +0200

> For classifiers getting invoked via tc_classify(), we always need an
> extra function call into tc_classify_compat(), as both are being
> exported as symbols and tc_classify() itself doesn't do much except
> handling of reclassifications when tp->classify() returned with
> TC_ACT_RECLASSIFY.
> 
> CBQ and ATM are the only qdiscs that directly call into tc_classify_compat(),
> all others use tc_classify(). When tc actions are being configured
> out in the kernel, tc_classify() effectively does nothing besides
> delegating.
> 
> We could spare this layer and consolidate both functions. pktgen on
> single CPU constantly pushing skbs directly into the netif_receive_skb()
> path with a dummy classifier on ingress qdisc attached, improves
> slightly from 22.3Mpps to 23.1Mpps.
> 
> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>

Applied, thanks Daniel.