netdev - Re: Advice on user space application integration with tc

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Message-ID: <20170516082500.GB15081@vergenet.net>
Date:   Tue, 16 May 2017 10:25:04 +0200
From:   Simon Horman <simon.horman@...ronome.com>
To:     Morgan Yang <morgan.yang1982@...il.com>
Cc:     Cong Wang <xiyou.wangcong@...il.com>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>
Subject: Re: Advice on user space application integration with tc

On Mon, May 15, 2017 at 01:39:27PM -0700, Morgan Yang wrote:
> I tried on both stock CentOS 7.3 and Ubuntu 16.04 and tc-skbmod was
> not support (I built tc from the latest versions of iproute2). For
> tc-pedit, examples from man tc-pedit such as "pedit ex munge" were not
> supported, but "pedit munge offset" is.

Please don't top-post on netdev.

Unless I understand things "pedit ex munge" uses new features of ped which
were introduced in v4.11. So yes, you would need a new kernel - or a
backport to an old one - in order to use that feature.