netdev - Re: [PATCH net-next 04/12] netfilter: rpfilter: Unmask upper DSCP bits

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Message-ID: <ZsX+x32u37WIYqVA@debian>
Date: Wed, 21 Aug 2024 16:50:47 +0200
From: Guillaume Nault <gnault@...hat.com>
To: Ido Schimmel <idosch@...dia.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, kuba@...nel.org,
	pabeni@...hat.com, edumazet@...gle.com, dsahern@...nel.org,
	fw@...len.de, martin.lau@...ux.dev, daniel@...earbox.net,
	john.fastabend@...il.com, ast@...nel.org, pablo@...filter.org,
	kadlec@...filter.org, willemdebruijn.kernel@...il.com,
	bpf@...r.kernel.org, netfilter-devel@...r.kernel.org,
	coreteam@...filter.org
Subject: Re: [PATCH net-next 04/12] netfilter: rpfilter: Unmask upper DSCP
 bits

On Wed, Aug 21, 2024 at 03:52:43PM +0300, Ido Schimmel wrote:
> The rpfilter match performs a reverse path filter test on a packet by
> performing a FIB lookup with the source and destination addresses
> swapped.
> 
> Unmask the upper DSCP bits of the DS field of the tested packet so that
> in the future the FIB lookup could be performed according to the full
> DSCP value.

Reviewed-by: Guillaume Nault <gnault@...hat.com>