netdev - Re: [PATCH net-next v3] net: add sysctl to disable rfc4862 5.5.3e lifetime handling

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Message-ID: <ZQrpKEHqeeTd4j5b@nanopsycho>
Date: Wed, 20 Sep 2023 14:44:24 +0200
From: Jiri Pirko <jiri@...nulli.us>
To: Patrick Rohr <prohr@...gle.com>
Cc: "David S. Miller" <davem@...emloft.net>,
	Linux Network Development Mailing List <netdev@...r.kernel.org>,
	Maciej Żenczykowski <maze@...gle.com>,
	Lorenzo Colitti <lorenzo@...gle.com>,
	Jen Linkova <furry@...gle.com>
Subject: Re: [PATCH net-next v3] net: add sysctl to disable rfc4862 5.5.3e
 lifetime handling

Tue, Sep 19, 2023 at 08:04:11PM CEST, prohr@...gle.com wrote:
>This change adds a sysctl to opt-out of RFC4862 section 5.5.3e's valid
>lifetime derivation mechanism.
>
>RFC4862 section 5.5.3e prescribes that the valid lifetime in a Router
>Advertisement PIO shall be ignored if it less than 2 hours and to reset
>the lifetime of the corresponding address to 2 hours. An in-progress
>6man draft (see draft-ietf-6man-slaac-renum-07 section 4.2) is currently
>looking to remove this mechanism. While this draft has not been moving
>particularly quickly for other reasons, there is widespread consensus on
>section 4.2 which updates RFC4862 section 5.5.3e.
>
>Cc: Maciej Żenczykowski <maze@...gle.com>
>Cc: Lorenzo Colitti <lorenzo@...gle.com>
>Cc: Jen Linkova <furry@...gle.com>
>Cc: Jiri Pirko <jiri@...nulli.us>
>Signed-off-by: Patrick Rohr <prohr@...gle.com>

Reviewed-by: Jiri Pirko <jiri@...dia.com>