netdev - Re: [patch net-next] docs: netlink: add NLMSG_DONE message format for doit actions

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Date: Wed, 29 Nov 2023 07:16:56 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Jiri Pirko <jiri@...nulli.us>
Cc: netdev@...r.kernel.org, pabeni@...hat.com, davem@...emloft.net,
 edumazet@...gle.com, corbet@....net
Subject: Re: [patch net-next] docs: netlink: add NLMSG_DONE message format
 for doit actions

On Wed, 29 Nov 2023 15:46:15 +0100 Jiri Pirko wrote:
> >> In case NLMSG_DONE message is sent as a reply to doit action, multiple
> >> kernel implementation do not send anything else than struct nlmsghdr.
> >> Add this note to the Netlink intro documentation.  
> >
> >You mean when the reply has F_MULTI set, correct?  
> 
> Well, that would be ideal. However, that flag is parallel to NLMSG_DONE.
> I see that at least drivers/connector/connector.c does not set this flag
> when sending NLMSG_DONE type.

connector is a really bad example, the doc would have to say "some
families use NLMSG_DONE as an actual message type which may have pretty
much anything attached to it". It's not worth it, sorry.
-- 
pw-bot: reject