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authorUrsula Braun <ubraun@linux.vnet.ibm.com>2017-10-25 11:01:45 +0200
committerDavid S. Miller <davem@davemloft.net>2017-10-26 18:00:29 +0900
commit60e2a7780793bae0debc275a9ccd57f7da0cf195 (patch)
tree8b65c6c4eb3194718df692952e1b5d547c53de2f /include/net/inet_sock.h
parent145686baab68e9c7594fe9269f47da479c25ad79 (diff)
tcp: TCP experimental option for SMC
The SMC protocol [1] relies on the use of a new TCP experimental option [2, 3]. With this option, SMC capabilities are exchanged between peers during the TCP three way handshake. This patch adds support for this experimental option to TCP. References: [1] SMC-R Informational RFC: http://www.rfc-editor.org/info/rfc7609 [2] Shared Use of TCP Experimental Options RFC 6994: https://tools.ietf.org/rfc/rfc6994.txt [3] IANA ExID SMCR: http://www.iana.org/assignments/tcp-parameters/tcp-parameters.xhtml#tcp-exids Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/inet_sock.h')
-rw-r--r--include/net/inet_sock.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 425752f768d2..c49938d1481a 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -92,7 +92,8 @@ struct inet_request_sock {
wscale_ok : 1,
ecn_ok : 1,
acked : 1,
- no_srccheck: 1;
+ no_srccheck: 1,
+ smc_ok : 1;
kmemcheck_bitfield_end(flags);
u32 ir_mark;
union {