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[RFC,v3,04/10] tcp: Add MPTCP option number

Message ID 20191009230809.27387-5-mathew.j.martineau@linux.intel.com
State RFC
Delegated to: David Miller
Headers show
Series Multipath TCP prerequisites | expand

Commit Message

Mat Martineau Oct. 9, 2019, 11:08 p.m. UTC
TCP option 30 is allocated for MPTCP by the IANA.

Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
---
 include/net/tcp.h | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/include/net/tcp.h b/include/net/tcp.h
index c9a3f9688223..382e245a7909 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