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From: Andy Furniss <adf.lists@gmail.com>
To: lartc@vger.kernel.org
Subject: Re: tc filter fw flowid and masks
Date: Tue, 28 Mar 2017 09:24:58 +0000	[thread overview]
Message-ID: <c2d79955-c4cd-e557-be14-a88be45675f4@gmail.com> (raw)
In-Reply-To: <CAGmni9ontC=uz=ZbrgjG4z0KzLLy5mBQB9pnfStBNoxpyESP3w@mail.gmail.com>

Salatiel Filho wrote:
> Hi guys, when i mark a packet using, for example,
> # iptables ...  -j MARK --set-mark 10
> i can match it using
> #tc filter add dev ... handle 10 fw flowid 1:10
>
> But how can i match it using tc filter if the mark using iptables has a mask?
> # iptables ... -j MARK --set-mark 10/0xff
>
> The mark is needed because there are a few QOS scripts that set marks
> using masks 0xff00.
>
> When using maks i am always getting in to the default tc class.

Maybe you need to put 0x everywhere you can.

Like Marco I would have said use u32 mark match, but I
have seen router setups that seem to use fw with masks.

untested but maybe something like -

iptables ... -j MARK --set-mark 0x10/0xff

tc filter add dev ... handle 0x10/0xff fw flowid 1:10

  parent reply	other threads:[~2017-03-28  9:24 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-03-28  7:19 tc filter fw flowid and masks Salatiel Filho
2017-03-28  7:27 ` Marco Gaiarin
2017-03-28  9:24 ` Andy Furniss [this message]
2017-03-28  9:33 ` Phil Sutter
2017-03-29 16:13 ` Marco Gaiarin
2017-03-29 16:58 ` Phil Sutter

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