netdev - Re: [PATCH net-next 4/8] sctp: add SCTP_ASCONF

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Date:   Mon, 19 Aug 2019 22:43:03 +0800
From:   Xin Long <lucien.xin@...il.com>
To:     Marcelo Ricardo Leitner <marcelo.leitner@...il.com>
Cc:     network dev <netdev@...r.kernel.org>, linux-sctp@...r.kernel.org,
        Neil Horman <nhorman@...driver.com>,
        davem <davem@...emloft.net>
Subject: Re: [PATCH net-next 4/8] sctp: add SCTP_ASCONF_SUPPORTED sockopt

On Mon, Aug 19, 2019 at 10:30 PM Marcelo Ricardo Leitner
<marcelo.leitner@...il.com> wrote:
>
> On Mon, Aug 19, 2019 at 10:02:46PM +0800, Xin Long wrote:
> > SCTP_ASCONF_SUPPORTED sockopt is used to set enpoint's asconf
> > flag. With this feature, each endpoint will have its own flag
> > for its future asoc's asconf_capable, instead of netns asconf
> > flag.
>
> Is this backed by a RFC? If yes, it should be noted in the patch
> description.
> Quickly searching, I found only FreeBSD references.
RFC doesn't define this sockopt clearly, unlike prsctp and reconfig,
not sure why.
but BSD supports it, so does some userland SCTP.