xref: /linux/tools/testing/selftests/net/packetdrill/tcp_accecn_synack_ect1.pkt (revision c17ee635fd3a482b2ad2bf5e269755c2eae5f25e)
1*f85d9c45SChia-Yu Chang// Test SYN=0 reflector
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) = 4
8*f85d9c45SChia-Yu Chang+.002 ... 0.052 connect(4, ..., ...) = 0
9*f85d9c45SChia-Yu Chang
10*f85d9c45SChia-Yu Chang+.002 > SEWA 0:0(0) <mss 1460,sackOK,TS val 100 ecr 0,nop,wscale 8>
11*f85d9c45SChia-Yu Chang+0.05 < [ect1] SW. 0:0(0) ack 1 win 32767 <mss 1460,ECN e0b 1 ceb 0 e1b 1,nop,nop,nop,sackOK,nop,wscale 8>
12*f85d9c45SChia-Yu Chang+.002 > [ect0] EW. 1:1(0) ack 1 <ECN e1b 1 ceb 0 e0b 1,nop>
13*f85d9c45SChia-Yu Chang
14*f85d9c45SChia-Yu Chang+0.01 write(4, ..., 100) = 100
15*f85d9c45SChia-Yu Chang+.002 > [ect0] P.5 1:101(100) ack 1 <ECN e1b 1 ceb 0 e0b 1,nop>
16*f85d9c45SChia-Yu Chang+0.05 < [ect1] P.5 1:1(0) ack 101 win 256 <ECN e0b 101 ceb 0 e1b 1,nop>
17*f85d9c45SChia-Yu Chang
18*f85d9c45SChia-Yu Chang+0.01 < [ect1] P.5 1:101(100) ack 101 win 256 <ECN e0b 1 ceb 0 e1b 1,nop>
19*f85d9c45SChia-Yu Chang+.002 > [ect0] .5 101:101(0) ack 101 <ECN e1b 101 ceb 0 e0b 1,nop>
20*f85d9c45SChia-Yu Chang+0 read(4, ..., 100) = 100
21*f85d9c45SChia-Yu Chang
22*f85d9c45SChia-Yu Chang+0 close(4) = 0
23*f85d9c45SChia-Yu Chang+0 > F5. 101:101(0) ack 101 <...>
24*f85d9c45SChia-Yu Chang+0.1 < R. 101:101(0) ack 102 win 4242
25