Re: [PATCH v2 net-next 0/3] bpf: share helpers between tracing and networking

From	Daniel Borkmann <daniel@iogearbox.net>
Newsgroups	linux.kernel
Subject	Re: [PATCH v2 net-next 0/3] bpf: share helpers between tracing and networking
Date	2015-06-18 10:20 +0200
Message-ID	<pCDdh-2KO-41@gated-at.bofh.it> (permalink)
References	<pAJwt-83z-3@gated-at.bofh.it> <pBLFT-15x-1@gated-at.bofh.it> <pBPTb-73O-3@gated-at.bofh.it> <pBVlW-6Fd-63@gated-at.bofh.it> <pC2GK-wu-11@gated-at.bofh.it>
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On 06/16/2015 07:10 PM, Alexei Starovoitov wrote:
...
> Ideally we would allow a blend of tracing and networking programs,
> then the best solution would be one or two stable tracepoints in
> networking stack where skb is visible and receiving/transmitting task
> is also visible, then skb->len and task->pid together would give nice
> foundation for accurate stats.

I think combining both seems interesting anyway, we need to find
a way to make this gluing of both worlds easy to use, though. It's
certainly interesting for stats/diagnostics, but one wouldn't be
able to use the current/future skb eBPF helpers from {cls,act}_bpf
in that context.
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Re: [PATCH v2 net-next 0/3] bpf: share helpers between tracing and  networking Daniel Borkmann <daniel@iogearbox.net> - 2015-06-18 10:20 +0200

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