xref: /linux/tools/testing/selftests/net/packetdrill/tcp_accecn_tsprogress.pkt (revision c17ee635fd3a482b2ad2bf5e269755c2eae5f25e)
1*f85d9c45SChia-Yu Chang// Test TS progress filtering
2*f85d9c45SChia-Yu Chang--tcp_ts_tick_usecs=1000
3*f85d9c45SChia-Yu Chang
4*f85d9c45SChia-Yu Chang`./defaults.sh
5*f85d9c45SChia-Yu Changsysctl -q net.ipv4.tcp_ecn=3
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 1050,sackOK,TS val 1 ecr 0,nop,wscale 8>
14*f85d9c45SChia-Yu Chang+.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>
15*f85d9c45SChia-Yu Chang+0.05 < [ect0] W. 1:1(0) ack 1 win 264 <nop,nop,TS val 2 ecr 10>
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, ..., 1000) = 1000
21*f85d9c45SChia-Yu Chang+.002 > [ect0] EAP. 1:1001(1000) ack 1 <nop,nop,TS val 83 ecr 2>
22*f85d9c45SChia-Yu Chang  // Fake CE and claim no progress
23*f85d9c45SChia-Yu Chang+0.05 < [ect0] WA. 1:1(0) ack 1 win 264 <nop,nop,TS val 3 ecr 83>
24*f85d9c45SChia-Yu Chang
25*f85d9c45SChia-Yu Chang+0.01 %{ assert tcpi_delivered_ce == 1, tcpi_delivered_ce }%
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