netdev - Re: [PATCH net-next 1/3] netlink: specs: ovs: remove fixed header fields from attrs

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Message-ID: <m2sf455g9o.fsf@gmail.com>
Date: Thu, 14 Dec 2023 08:40:03 +0000
From: Donald Hunter <donald.hunter@...il.com>
To: Jakub Kicinski <kuba@...nel.org>
Cc: davem@...emloft.net,  netdev@...r.kernel.org,  edumazet@...gle.com,
  pabeni@...hat.com
Subject: Re: [PATCH net-next 1/3] netlink: specs: ovs: remove fixed header
 fields from attrs

Jakub Kicinski <kuba@...nel.org> writes:

> Op's "attributes" list is a workaround for families with a single
> attr set. We don't want to render a single huge request structure,
> the same for each op since we know that most ops accept only a small
> set of attributes. "Attributes" list lets us narrow down the attributes
> to what op acctually pays attention to.
>
> It doesn't make sense to put names of fixed headers in there.
> They are not "attributes" and we can't really narrow down the struct
> members.
>
> Remove the fixed header fields from attrs for ovs families
> in preparation for C codegen support.
>
> Signed-off-by: Jakub Kicinski <kuba@...nel.org>

Reviewed-by: Donald Hunter <donald.hunter@...il.com>