netdev - Re: [PATCH net-next v5 03/11] tcp: Define IPPROTO

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Message-ID: <69535a97-c505-235d-923c-266e7b3806b3@gmail.com>
Date:   Fri, 20 Dec 2019 07:39:34 -0800
From:   Eric Dumazet <eric.dumazet@...il.com>
To:     Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        netdev@...r.kernel.org, mptcp@...ts.01.org
Subject: Re: [PATCH net-next v5 03/11] tcp: Define IPPROTO_MPTCP



On 12/19/19 2:34 PM, Mat Martineau wrote:
> To open a MPTCP socket with socket(AF_INET, SOCK_STREAM, IPPROTO_MPTCP),
> IPPROTO_MPTCP needs a value that differs from IPPROTO_TCP. The existing
> IPPROTO numbers mostly map directly to IANA-specified protocol numbers.
> MPTCP does not have a protocol number allocated because MPTCP packets
> use the TCP protocol number. Use private number not used OTA.
> 
> Signed-off-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>

Reviewed-by: Eric Dumazet <edumazet@...gle.com>