netdev - Re: [PATCH] ipv4: allow newer DSCP values in ip rules

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Message-ID: <20181120084844.GA16862@rnd.infotecs.ru>
Date:   Tue, 20 Nov 2018 11:48:46 +0300
From:   Pavel Balaev <mail@...d.so>
To:     David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH] ipv4: allow newer DSCP values in ip rules

On Mon, Nov 19, 2018 at 03:11:29PM -0800, David Miller wrote:
> From: Pavel Balaev <mail@...d.so>
> Date: Mon, 19 Nov 2018 12:00:45 +0300
> 
> > After this patch this one can use it: 
> 
> You can "configure it" but it doesn't work at all.
> 
> Did you test this in any way beyond simply dumping the FIB rule
> tables?
> 
> The whole kernel masks the TOS value using RT_TOS() so it is going to
> clear out those extra bits every time the configured value actually
> gets used.
Ok, I got it. I'll test RFC2597 values with full scheme and tries to
make it works.