| // SPDX-License-Identifier: GPL-2.0 |
| // |
| // Test the Experimental Option |
| // |
| // SYN w/ FOEXP w/o cookie must generates SYN+ACK w/ FOEXP |
| // w/ a valid cookie, and the cookie must be the same one |
| // with one generated by IANA FO |
| |
| `./defaults.sh` |
| |
| // Request a TFO cookie by Experimental Option |
| // This must generate the same TFO_COOKIE |
| 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 0:10(10) win 32792 <mss 1460,sackOK,nop,nop,FOEXP> |
| +0 > S. 0:0(0) ack 1 <mss 1460,nop,nop,sackOK,FOEXP TFO_COOKIE> |
| |
| +0 close(3) = 0 |
| |
| // Test if FOEXP with a valid cookie creates a TFO socket |
| 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 0:10(10) win 32792 <mss 1460,sackOK,nop,nop,FOEXP TFO_COOKIE> |
| +0 > S. 0:0(0) ack 11 <mss 1460,nop,nop,sackOK> |
| |
| +0 accept(3, ..., ...) = 4 |
| +0 %{ assert (tcpi_options & TCPI_OPT_SYN_DATA) != 0, tcpi_options }% |
| |
| +0 read(4, ..., 512) = 10 |
