28 lines
785 B
Plaintext
28 lines
785 B
Plaintext
// SPDX-License-Identifier: GPL-2.0
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--mss=1000
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`./defaults.sh
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sysctl -q net.ipv4.tcp_rmem="4096 131072 $((32*1024*1024))"`
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+0 socket(..., SOCK_STREAM, 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 < S 0:0(0) win 65535 <mss 1000,nop,nop,sackOK,nop,wscale 7>
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+0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,nop,wscale 10>
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+.1 < . 1:1(0) ack 1 win 257
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+0 accept(3, ..., ...) = 4
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+0 < . 2001:11001(9000) ack 1 win 257
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+0 > . 1:1(0) ack 1 win 81 <nop,nop,sack 2001:11001>
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// check that ooo packet properly updates tcpi_rcv_mss
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+0 %{ assert tcpi_rcv_mss == 1000, tcpi_rcv_mss }%
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+0 < . 11001:21001(10000) ack 1 win 257
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+0 > . 1:1(0) ack 1 win 81 <nop,nop,sack 2001:21001>
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