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// SPDX-License-Identifier: GPL-2.0
--mss=1000
`./defaults.sh`
0 `nstat -n`
// Establish a connection.
+0 socket(..., SOCK_STREAM, IPPROTO_TCP) = 3
+0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0
+0 setsockopt(3, SOL_SOCKET, SO_RCVBUF, [20000], 4) = 0
+0 bind(3, ..., ...) = 0
+0 listen(3, 1) = 0
+0 < S 0:0(0) win 32792 <mss 1000,nop,wscale 7>
+0 > S. 0:0(0) ack 1 win 18980 <mss 1460,nop,wscale 0>
+.1 < . 1:1(0) ack 1 win 257
+0 accept(3, ..., ...) = 4
+0 < P. 1:20001(20000) ack 1 win 257
+.04 > . 1:1(0) ack 20001 win 18000
+0 setsockopt(4, SOL_SOCKET, SO_RCVBUF, [12000], 4) = 0
+0 < P. 20001:80001(60000) ack 1 win 257
+0 > . 1:1(0) ack 20001 win 18000
+0 read(4, ..., 20000) = 20000
// A too big packet is accepted if the receive queue is empty
+0 < P. 20001:80001(60000) ack 1 win 257
+0 > . 1:1(0) ack 80001 win 0
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