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https://git.kernel.org/pub/scm/linux/kernel/git/netdev/net.git/
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be90c7b3d5
These changes are applied to follow the imported packetdrill tests. * Call setsockopt(TCP_FASTOPEN) * Remove unnecessary accept() delay * Add assertion for TCP states * Rename to tcp_fastopen_server_trigger-rst-reconnect.pkt. Signed-off-by: Kuniyuki Iwashima <kuniyu@google.com> Reviewed-by: Willem de Bruijn <willemb@google.com> Link: https://patch.msgid.link/20250927213022.1850048-12-kuniyu@google.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
31 lines
1.1 KiB
Plaintext
31 lines
1.1 KiB
Plaintext
// SPDX-License-Identifier: GPL-2.0
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`./defaults.sh
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./set_sysctls.py /proc/sys/net/ipv4/tcp_timestamps=0`
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0 socket(..., SOCK_STREAM|SOCK_NONBLOCK, IPPROTO_TCP) = 3
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+0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
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+0 bind(3, ..., ...) = 0
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+0 listen(3, 1) = 0
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+0 setsockopt(3, SOL_TCP, TCP_FASTOPEN, [1], 4) = 0
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+0 < S 0:10(10) win 32792 <mss 1460,nop,nop,sackOK,nop,nop,FO TFO_COOKIE>
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+0 > S. 0:0(0) ack 11 win 65535 <mss 1460,nop,nop,sackOK>
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// sk->sk_state is TCP_SYN_RECV
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+0 accept(3, ..., ...) = 4
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+0 %{ assert tcpi_state == TCP_SYN_RECV, tcpi_state }%
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// tcp_disconnect() sets sk->sk_state to TCP_CLOSE
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+0 connect(4, AF_UNSPEC, ...) = 0
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+0 > R. 1:1(0) ack 11 win 65535
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+0 %{ assert tcpi_state == TCP_CLOSE, tcpi_state }%
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// connect() sets sk->sk_state to TCP_SYN_SENT
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+0 fcntl(4, F_SETFL, O_RDWR|O_NONBLOCK) = 0
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+0 connect(4, ..., ...) = -1 EINPROGRESS (Operation is now in progress)
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+0 > S 0:0(0) win 65535 <mss 1460,nop,nop,sackOK,nop,wscale 8>
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+0 %{ assert tcpi_state == TCP_SYN_SENT, tcpi_state }%
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// tp->fastopen_rsk must be NULL
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+1 > S 0:0(0) win 65535 <mss 1460,nop,nop,sackOK,nop,wscale 8>
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