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authorMat Martineau <mathew.j.martineau@linux.intel.com>2020-01-09 18:59:16 +0300
committerDavid S. Miller <davem@davemloft.net>2020-01-10 05:41:41 +0300
commitfaf391c3826cd29feae02078ca2022d2f912f7cc (patch)
treee096ae26bf0bc57e2c09bccc208799efe4db30e0 /tools/include
parentbf9765145b856fa2e238a5b8a54453795ba30ad6 (diff)
downloadlinux-faf391c3826cd29feae02078ca2022d2f912f7cc.tar.xz
tcp: Define IPPROTO_MPTCP
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. Reviewed-by: Eric Dumazet <edumazet@google.com> Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/include')
-rw-r--r--tools/include/uapi/linux/in.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/include/uapi/linux/in.h b/tools/include/uapi/linux/in.h
index e7ad9d350a28..1521073b6348 100644
--- a/tools/include/uapi/linux/in.h
+++ b/tools/include/uapi/linux/in.h
@@ -76,6 +76,8 @@ enum {
#define IPPROTO_MPLS IPPROTO_MPLS
IPPROTO_RAW = 255, /* Raw IP packets */
#define IPPROTO_RAW IPPROTO_RAW
+ IPPROTO_MPTCP = 262, /* Multipath TCP connection */
+#define IPPROTO_MPTCP IPPROTO_MPTCP
IPPROTO_MAX
};
#endif