1*f85d9c45SChia-Yu Chang// Test AccECN ECN field reflector in SYNACK 2*f85d9c45SChia-Yu Chang 3*f85d9c45SChia-Yu Chang`./defaults.sh 4*f85d9c45SChia-Yu Changsysctl -q net.ipv4.tcp_ecn=3 5*f85d9c45SChia-Yu Chang` 6*f85d9c45SChia-Yu Chang 7*f85d9c45SChia-Yu Chang 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 8*f85d9c45SChia-Yu Chang +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 9*f85d9c45SChia-Yu Chang +0 bind(3, ..., ...) = 0 10*f85d9c45SChia-Yu Chang +0 listen(3, 1) = 0 11*f85d9c45SChia-Yu Chang 12*f85d9c45SChia-Yu Chang +0 < [ce] SEWA 0:0(0) win 32792 <mss 1050,nop,nop,sackOK,nop,wscale 8> 13*f85d9c45SChia-Yu Chang+.002 > SWA. 0:0(0) ack 1 <mss 1460,ECN e1b 1 ceb 0 e0b 1,nop,nop,nop,sackOK,nop,wscale 8> 14