diff options
-rw-r--r-- | tools/testing/selftests/net/packetdrill/tcp_fastopen_server_experimental_option.pkt | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_experimental_option.pkt b/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_experimental_option.pkt new file mode 100644 index 000000000000..c3cb0e8bdcf8 --- /dev/null +++ b/tools/testing/selftests/net/packetdrill/tcp_fastopen_server_experimental_option.pkt @@ -0,0 +1,37 @@ +// 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 |