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// 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
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