1// Test TS progress filtering 2--tcp_ts_tick_usecs=1000 3--tolerance_usecs=7000 4 5`./defaults.sh 6sysctl -q net.ipv4.tcp_ecn=3 7` 8 9 0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3 10 +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 11 +0 bind(3, ..., ...) = 0 12 +0 listen(3, 1) = 0 13 14 +0 < SEWA 0:0(0) win 32792 <mss 1050,sackOK,TS val 1 ecr 0,nop,wscale 8> 15+.002 > SW. 0:0(0) ack 1 <mss 1460,sackOK,TS val 10 ecr 1,ECN e1b 1 ceb 0 e0b 1,nop,nop,wscale 8> 16+0.05 < [ect0] W. 1:1(0) ack 1 win 264 <nop,nop,TS val 2 ecr 10> 17+.002 accept(3, ..., ...) = 4 18 19+0.01 %{ assert tcpi_delivered_ce == 0, tcpi_delivered_ce }% 20 21+0.01 write(4, ..., 1000) = 1000 22+.002 > [ect0] EAP. 1:1001(1000) ack 1 <nop,nop,TS val 83 ecr 2> 23 // Fake CE and claim no progress 24+0.05 < [ect0] WA. 1:1(0) ack 1 win 264 <nop,nop,TS val 2 ecr 83> 25 26+0.01 %{ assert tcpi_delivered_ce == 0, tcpi_delivered_ce }% 27