| // 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 |
| |
