Dave, net/smc code is based on the SMC TCP experimental option. Please apply Hans' patch to fix an inconsistency when SYN cookies are active.
V2 includes the changes proposed by Eric Dumazet. Thanks, Ursula Hans Wippel (1): net/ipv4: disable SMC TCP option with SYN Cookies net/ipv4/syncookies.c | 2 ++ net/ipv4/tcp_input.c | 3 +++ net/ipv6/syncookies.c | 2 ++ 3 files changed, 7 insertions(+) -- 2.13.5