1*f85d9c45SChia-Yu Chang// Test AccECN flags bleach 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 < SEWA 0:0(0) win 32792 <mss 1050,nop,nop,sackOK,nop,wscale 8> 13*f85d9c45SChia-Yu Chang+.002 > SW. 0:0(0) ack 1 <mss 1460,ECN e1b 1 ceb 0 e0b 1,nop,nop,nop,sackOK,nop,wscale 8> 14*f85d9c45SChia-Yu Chang+0.05 < [ect0] . 1:1(0) ack 1 win 320 <ECN e0b 1 ceb 0 e1b 1,nop> 15*f85d9c45SChia-Yu Chang+.002 accept(3, ..., ...) = 4 16*f85d9c45SChia-Yu Chang 17*f85d9c45SChia-Yu Chang+0.01 %{ assert tcpi_delivered_ce == 0, tcpi_delivered_ce }% 18*f85d9c45SChia-Yu Chang 19*f85d9c45SChia-Yu Chang+0.01 write(4, ..., 1000) = 1000 20*f85d9c45SChia-Yu Chang+.002 > [noecn] EAP. 1:1001(1000) ack 1 <ECN e1b 1 ceb 0 e0b 1,nop> 21*f85d9c45SChia-Yu Chang+0.05 < [ect0] EAP. 1:1(0) ack 1001 win 320 22*f85d9c45SChia-Yu Chang 23*f85d9c45SChia-Yu Chang+0.01 %{ assert tcpi_delivered_ce == 0, tcpi_delivered_ce }% 24