xref: /linux/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_trigger-rst-reconnect.pkt (revision ec2e0fb07d789976c601bec19ecced7a501c3705)
1*be90c7b3SKuniyuki Iwashima// SPDX-License-Identifier: GPL-2.0
2*be90c7b3SKuniyuki Iwashima`./defaults.sh
3*be90c7b3SKuniyuki Iwashima ./set_sysctls.py /proc/sys/net/ipv4/tcp_timestamps=0`
4*be90c7b3SKuniyuki Iwashima
5*be90c7b3SKuniyuki Iwashima    0 socket(..., SOCK_STREAM|SOCK_NONBLOCK, IPPROTO_TCP) = 3
6*be90c7b3SKuniyuki Iwashima   +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
7*be90c7b3SKuniyuki Iwashima   +0 bind(3, ..., ...) = 0
8*be90c7b3SKuniyuki Iwashima   +0 listen(3, 1) = 0
9*be90c7b3SKuniyuki Iwashima   +0 setsockopt(3, SOL_TCP, TCP_FASTOPEN, [1], 4) = 0
10*be90c7b3SKuniyuki Iwashima
11*be90c7b3SKuniyuki Iwashima   +0 < S 0:10(10) win 32792 <mss 1460,nop,nop,sackOK,nop,nop,FO TFO_COOKIE>
12*be90c7b3SKuniyuki Iwashima   +0 > S. 0:0(0) ack 11 win 65535 <mss 1460,nop,nop,sackOK>
13*be90c7b3SKuniyuki Iwashima
14*be90c7b3SKuniyuki Iwashima// sk->sk_state is TCP_SYN_RECV
15*be90c7b3SKuniyuki Iwashima   +0 accept(3, ..., ...) = 4
16*be90c7b3SKuniyuki Iwashima   +0 %{ assert tcpi_state == TCP_SYN_RECV, tcpi_state }%
17*be90c7b3SKuniyuki Iwashima
18*be90c7b3SKuniyuki Iwashima// tcp_disconnect() sets sk->sk_state to TCP_CLOSE
19*be90c7b3SKuniyuki Iwashima   +0 connect(4, AF_UNSPEC, ...) = 0
20*be90c7b3SKuniyuki Iwashima   +0 > R. 1:1(0) ack 11 win 65535
21*be90c7b3SKuniyuki Iwashima   +0 %{ assert tcpi_state == TCP_CLOSE, tcpi_state }%
22*be90c7b3SKuniyuki Iwashima
23*be90c7b3SKuniyuki Iwashima// connect() sets sk->sk_state to TCP_SYN_SENT
24*be90c7b3SKuniyuki Iwashima   +0 fcntl(4, F_SETFL, O_RDWR|O_NONBLOCK) = 0
25*be90c7b3SKuniyuki Iwashima   +0 connect(4, ..., ...) = -1 EINPROGRESS (Operation is now in progress)
26*be90c7b3SKuniyuki Iwashima   +0 > S 0:0(0) win 65535 <mss 1460,nop,nop,sackOK,nop,wscale 8>
27*be90c7b3SKuniyuki Iwashima   +0 %{ assert tcpi_state == TCP_SYN_SENT, tcpi_state }%
28*be90c7b3SKuniyuki Iwashima
29*be90c7b3SKuniyuki Iwashima// tp->fastopen_rsk must be NULL
30*be90c7b3SKuniyuki Iwashima   +1 > S 0:0(0) win 65535 <mss 1460,nop,nop,sackOK,nop,wscale 8>
31