netdev - Re: [PATCH net-next v2 08/11] vxlan: Add an attribute to make VXLAN header validation configurable

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Message-ID: <72119ee0-8ac3-44dc-958c-86a615e26d74@blackwall.org>
Date: Fri, 6 Dec 2024 11:47:57 +0200
From: Nikolay Aleksandrov <razor@...ckwall.org>
To: Petr Machata <petrm@...dia.com>, "David S. Miller" <davem@...emloft.net>,
 Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
 Paolo Abeni <pabeni@...hat.com>, Andrew Lunn <andrew+netdev@...n.ch>,
 netdev@...r.kernel.org
Cc: Simon Horman <horms@...nel.org>, Ido Schimmel <idosch@...dia.com>,
 mlxsw@...dia.com, Menglong Dong <menglong8.dong@...il.com>,
 Guillaume Nault <gnault@...hat.com>,
 Alexander Lobakin <aleksander.lobakin@...el.com>,
 Breno Leitao <leitao@...ian.org>
Subject: Re: [PATCH net-next v2 08/11] vxlan: Add an attribute to make VXLAN
 header validation configurable

On 12/5/24 17:40, Petr Machata wrote:
> The set of bits that the VXLAN netdevice currently considers reserved is
> defined by the features enabled at the netdevice construction. In order to
> make this configurable, add an attribute, IFLA_VXLAN_RESERVED_BITS. The
> payload is a pair of big-endian u32's covering the VXLAN header. This is
> validated against the set of flags used by the various enabled VXLAN
> features, and attempts to override bits used by an enabled feature are
> bounced.
> 
> Signed-off-by: Petr Machata <petrm@...dia.com>
> Reviewed-by: Ido Schimmel <idosch@...dia.com>
> ---
> 
> Notes:
> CC: Menglong Dong <menglong8.dong@...il.com>
> CC: Guillaume Nault <gnault@...hat.com>
> CC: Alexander Lobakin <aleksander.lobakin@...el.com>
> CC: Breno Leitao <leitao@...ian.org>
> 

Reviewed-by: Nikolay Aleksandrov <razor@...ckwall.org>