netdev - Re: [PATCH net-next v4 3/4] bpf: BPF for lightweight tunnel infrastructure

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Message-ID: <20161201162850.GB31300@pox.localdomain>
Date:   Thu, 1 Dec 2016 17:28:50 +0100
From:   Thomas Graf <tgraf@...g.ch>
To:     Daniel Borkmann <daniel@...earbox.net>
Cc:     davem@...emloft.net, netdev@...r.kernel.org,
        alexei.starovoitov@...il.com, tom@...bertland.com,
        roopa@...ulusnetworks.com, hannes@...essinduktion.org
Subject: Re: [PATCH net-next v4 3/4] bpf: BPF for lightweight tunnel
 infrastructure

On 12/01/16 at 01:08pm, Daniel Borkmann wrote:
> For the verifier change in may_access_direct_pkt_data(), would be
> great if you could later on follow up with a selftest-suite case,
> one where BPF_PROG_TYPE_LWT_IN/OUT prog tries to write and fails,
> and one where BPF_PROG_TYPE_LWT_IN/OUT prog uses pkt data to pass
> to helpers, for example, so that we can keep testing it when future
> changes in that area are made. Thanks.

Good idea, will do.