On Fri, Dec 15, 2023 at 02:36:25AM +0000, Dmitry Safonov wrote: > Check that a rare functionality of TCP named self-connect works with > TCP-AO. This "under the cover" also checks TCP simultaneous connect > (TCP_SYN_RECV socket state), which would be harder to check other ways. > > In order to verify that it's indeed TCP simultaneous connect, check > the counters TCPChallengeACK and TCPSYNChallenge. > > Sample of the output: > > # ./self-connect_ipv6 > > 1..4 > > # 1738[lib/setup.c:254] rand seed 1696451931 > > TAP version 13 > > ok 1 self-connect(same keyids): connect TCPAOGood 0 => 24 > > ok 2 self-connect(different keyids): connect TCPAOGood 26 => 50 > > ok 3 self-connect(restore): connect TCPAOGood 52 => 97 > > ok 4 self-connect(restore, different keyids): connect TCPAOGood 99 => 144 > > # Totals: pass:4 fail:0 xfail:0 xpass:0 skip:0 error:0 > > Signed-off-by: Dmitry Safonov <dima@xxxxxxxxxx> Tested-by: Hangbin Liu <liuhangbin@xxxxxxxxx>
