netdev - [PATCH net-next v6 04/11] tcp: Add MPTCP option number

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Message-Id: <20200108011921.28942-5-mathew.j.martineau@linux.intel.com>
Date:   Tue,  7 Jan 2020 17:19:14 -0800
From:   Mat Martineau <mathew.j.martineau@...ux.intel.com>
To:     netdev@...r.kernel.org, mptcp@...ts.01.org
Cc:     Mat Martineau <mathew.j.martineau@...ux.intel.com>,
        Eric Dumazet <edumazet@...gle.com>
Subject: [PATCH net-next v6 04/11] tcp: Add MPTCP option number

TCP option 30 is allocated for MPTCP by the IANA.

Reviewed-by: Eric Dumazet <edumazet@...gle.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@...ux.intel.com>
---
 include/net/tcp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 7df37e2fddca..85f1d7ff6e8b 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -182,6 +182,7 @@ void tcp_time_wait(struct sock *sk, int state, int timeo);
 #define TCPOPT_SACK             5       /* SACK Block */
 #define TCPOPT_TIMESTAMP	8	/* Better RTT estimations/PAWS */
 #define TCPOPT_MD5SIG		19	/* MD5 Signature (RFC2385) */
+#define TCPOPT_MPTCP		30	/* Multipath TCP (RFC6824) */
 #define TCPOPT_FASTOPEN		34	/* Fast open (RFC7413) */
 #define TCPOPT_EXP		254	/* Experimental */
 /* Magic number to be after the option value for sharing TCP
-- 
2.24.1