netdev - Re: [RFC PATCH 4/5] net: filter: run cgroup eBPF programs

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Message-ID: <20160817145851.GA6299@htj.duckdns.org>
Date:	Wed, 17 Aug 2016 10:58:52 -0400
From:	Tejun Heo <htejun@...com>
To:	Daniel Mack <daniel@...que.org>
CC:	<daniel@...earbox.net>, <ast@...com>, <davem@...emloft.net>,
	<kafai@...com>, <fw@...len.de>, <pablo@...filter.org>,
	<harald@...hat.com>, <netdev@...r.kernel.org>
Subject: Re: [RFC PATCH 4/5] net: filter: run cgroup eBPF programs

On Wed, Aug 17, 2016 at 04:36:02PM +0200, Daniel Mack wrote:
> On 08/17/2016 04:23 PM, Tejun Heo wrote:
> > On Wed, Aug 17, 2016 at 04:00:47PM +0200, Daniel Mack wrote:
> >> @@ -78,6 +116,12 @@ int sk_filter_trim_cap(struct sock *sk, struct sk_buff *skb, unsigned int cap)
> >>  	if (skb_pfmemalloc(skb) && !sock_flag(sk, SOCK_MEMALLOC))
> >>  		return -ENOMEM;
> >>  
> >> +#ifdef CONFIG_CGROUP_BPF
> >> +	err = sk_filter_cgroup_bpf(sk, skb, BPF_ATTACH_TYPE_CGROUP_INGRESS);
> >> +	if (err)
> >> +		return err;
> >> +#endif
> > 
> > Hmm... where does egress hook into?
> 
> As stated in the cover letter, that's an open question on my list.

lol sorry about that.  :)

-- 
tejun