netdev - Re: [PATCH] net-ipv6-ndisc: add support for RFC7710 RA Captive Portal Identifier

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Message-Id: <20190722.121107.493176692915633338.davem@davemloft.net>
Date:   Mon, 22 Jul 2019 12:11:07 -0700 (PDT)
From:   David Miller <davem@...emloft.net>
To:     zenczykowski@...il.com
Cc:     maze@...gle.com, netdev@...r.kernel.org, lorenzo@...gle.com,
        reminv@...gle.com, raorn@...rn.name
Subject: Re: [PATCH] net-ipv6-ndisc: add support for RFC7710 RA Captive
 Portal Identifier

From: Maciej Żenczykowski <zenczykowski@...il.com>
Date: Thu, 18 Jul 2019 23:30:03 -0700

> From: Maciej Żenczykowski <maze@...gle.com>
> 
> This is trivial since we already have support for the entirely
> identical (from the kernel's point of view) RDNSS and DNSSL that
> also contain opaque data that needs to be passed down to userspace.
> 
> As specified in RFC7710, Captive Portal option contains a URL.
> 8-bit identifier of the option type as assigned by the IANA is 37.
> This option should also be treated as userland.
> 
> Hence, treat ND option 37 as userland (Captive Portal support)
> 
> See:
>   https://tools.ietf.org/html/rfc7710
>   https://www.iana.org/assignments/icmpv6-parameters/icmpv6-parameters.xhtml
> 
> Fixes: e35f30c131a56
> Signed-off-by: Maciej Żenczykowski <maze@...gle.com>

Applied to net-next.