From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Westphal <fw@strlen.de>
Subject: Re: Attribute failed policy validation
Date: Wed, 24 Oct 2018 15:07:42 +0200
Message-ID: <20181024130742.777kcbzp667mo5rm@breakpoint.cc>
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Cc: netdev@vger.kernel.org, dsahern@gmail.com
To: Marco Berizzi <pupilla@libero.it>
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Marco Berizzi <pupilla@libero.it> wrote:

[ CC David ]

> root@Calimero:~# tc qdisc add dev eth0 root handle 1:0 hfsc default 1
> Error: Attribute failed policy validation.

caused by:
commit 8b4c3cdd9dd8290343ce959a132d3b334062c5b9
net: sched: Add policy validation for tc attributes

Looks like TCA_OPTIONS is NLA_BINARY in hfsc case, so
we can't enforce NLA_NESTED :-(