| // SPDX-License-Identifier: GPL-2.0 |
| // |
| // Basic TFO server test |
| // |
| // Test zero-payload packet w/ valid TFO cookie - a TFO socket will |
| // still be created and accepted but read() will not return until a |
| // later pkt with 10 byte. |
| |
| `./defaults.sh` |
| |
| 0 socket(..., SOCK_STREAM|SOCK_NONBLOCK, IPPROTO_TCP) = 3 |
| +0 setsockopt(3, SOL_SOCKET, SO_REUSEADDR, [1], 4) = 0 |
| +0 bind(3, ..., ...) = 0 |
| +0 listen(3, 1) = 0 |
| +0 setsockopt(3, SOL_TCP, TCP_FASTOPEN, [1], 4) = 0 |
| |
| +0 < S 0:0(0) win 32792 <mss 1460,sackOK,nop,nop,FO TFO_COOKIE,nop,nop> |
| +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK> |
| +0 accept(3, ..., ...) = 4 |
| +0 %{ assert (tcpi_options & TCPI_OPT_SYN_DATA) == 0, tcpi_options }% |
| |
| // A TFO socket is created and is writable. |
| +0 write(4, ..., 100) = 100 |
| +0 > P. 1:101(100) ack 1 |
| +0...0.300 read(4, ..., 512) = 10 |
| +.3 < P. 1:11(10) ack 1 win 5840 |
