Re: [net-next,v4] selftests/net/openvswitch: add SCTP flow key test

Jakub Kicinski [off-list ref] writes:

On Mon, 20 Jul 2026 08:42:10 -0400 Aaron Conole wrote:

quoted

quoted

+# sctp_connect_v4 test
+# - sctp(dst=4443) matches client-to-server INIT
+# - sctp(src=4443) matches server-to-client INIT-ACK
+# - remove flows and verify connection fails, reinstall and recover
+test_sctp_connect_v4() {
+	local t="test_sctp_connect_v4"
+
+	which nc >/dev/null 2>&1 || return $ksft_skip
+	nc --sctp -z 127.0.0.1 1 </dev/null 2>/dev/null || return $ksft_skip  

This can probably be instead::

  nc --help 2>&1 | grep -q -- --sctp || return $ksft_skip

This reads nicer to detect SCTP support in 'nc' binary.

Can we use socat ? nc incompatibilities are hard to deal with.

Works for me