Re: [PATCH 6/6] net: move qdisc ingress filtering on top of netfilter ingress hooks

Patrick McHardy
2015-04-30T04:05:41Z

On 30.04, Patrick McHardy wrote:
> Regarding TC as a whole, I think the problem is shared between userspace
> and the kernel. iproute TC is certainly completely failed, its unusable
> without looking at the kernel and iproute code, it hasn't even made the
> slightest infrastructrual progess in the past 15 years (*(u16)RTN_DATA(bla))?)
> and that is telling for itself. I don't extend that to ip, even though it
> suffers from the same coding problems, but let's be honest, do you really
> expect some magic is going to happen and TC userspace will suddenly become
> usable?
>
> I don't. And we intend to provide an alternative.

For the sake of completeness - on ingress, this alternativ means simply
ditching TC. On egress, we will provide a nicely integrated way of qdiscs
and classifiers where nftables will obviously respect the qdiscs. On
ingress, there is simply no benefit in doing that at all. Hence Pablo's
patches.