1*f85d9c45SChia-Yu Chang// Test a large ACK (at ACE field max delta) 2*f85d9c45SChia-Yu Chang 3*f85d9c45SChia-Yu Chang`./defaults.sh 4*f85d9c45SChia-Yu Changsysctl -q net.ipv4.tcp_ecn=3 5*f85d9c45SChia-Yu Changsysctl -q net.ipv4.tcp_ecn_option=0 6*f85d9c45SChia-Yu Chang` 7*f85d9c45SChia-Yu Chang 8*f85d9c45SChia-Yu Chang 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 9*f85d9c45SChia-Yu Chang +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 10*f85d9c45SChia-Yu Chang +0 bind(3, ..., ...) = 0 11*f85d9c45SChia-Yu Chang +0 listen(3, 1) = 0 12*f85d9c45SChia-Yu Chang 13*f85d9c45SChia-Yu Chang +0 < SEWA 0:0(0) win 32792 <mss 1460,nop,nop,sackOK,nop,wscale 8> 14*f85d9c45SChia-Yu Chang+.002 > SW. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 8> 15*f85d9c45SChia-Yu Chang+0.05 < [ect0] W. 1:1(0) ack 1 win 264 16*f85d9c45SChia-Yu Chang+.002 accept(3, ..., ...) = 4 17*f85d9c45SChia-Yu Chang 18*f85d9c45SChia-Yu Chang+0.01 %{ assert tcpi_delivered_ce == 0, tcpi_delivered_ce }% 19*f85d9c45SChia-Yu Chang 20*f85d9c45SChia-Yu Chang+0.01 write(4, ..., 14600) = 14600 21*f85d9c45SChia-Yu Chang+.002 > [ect0] P.5 1:14601(14600) ack 1 22*f85d9c45SChia-Yu Chang // Fake CE 23*f85d9c45SChia-Yu Chang+0.05 < [ect0] .4 1:1(0) ack 14601 win 264 24*f85d9c45SChia-Yu Chang 25*f85d9c45SChia-Yu Chang+0.01 %{ assert tcpi_delivered_ce == 7, tcpi_delivered_ce }% 26