git: c5f21023771a - main - pf tests: basic max-pkt-rate test

The branch main has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=c5f21023771ad896cee847c67c644aeaa2ed32f9

commit c5f21023771ad896cee847c67c644aeaa2ed32f9
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2025-06-05 16:04:15 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2025-06-25 20:04:14 +0000

    pf tests: basic max-pkt-rate test
    
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
---
 tests/sys/netpfil/pf/Makefile        |  1 +
 tests/sys/netpfil/pf/max_pkt_rate.sh | 82 ++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+)

diff --git a/tests/sys/netpfil/pf/Makefile b/tests/sys/netpfil/pf/Makefile
index e926c9dd50c2..fe2740ed0e7f 100644
--- a/tests/sys/netpfil/pf/Makefile
+++ b/tests/sys/netpfil/pf/Makefile
@@ -22,6 +22,7 @@ ATF_TESTS_SH+=	altq \
 		killstate \
 		macro \
 		match \
+		max_pkt_rate \
 		max_states \
 		mbuf \
 		modulate \
diff --git a/tests/sys/netpfil/pf/max_pkt_rate.sh b/tests/sys/netpfil/pf/max_pkt_rate.sh
new file mode 100644
index 000000000000..d1e92a64de1d
--- /dev/null
+++ b/tests/sys/netpfil/pf/max_pkt_rate.sh
@@ -0,0 +1,82 @@
+#
+# SPDX-License-Identifier: BSD-2-Clause
+#
+# Copyright (c) 2025 Rubicon Communications, LLC (Netgate)
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+#    notice, this list of conditions and the following disclaimer in the
+#    documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+# OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+# HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+# OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+# SUCH DAMAGE.
+
+. $(atf_get_srcdir)/utils.subr
+
+atf_test_case "basic" "cleanup"
+basic_head()
+{
+	atf_set descr 'Basic maximum packet rate test'
+	atf_set require.user root
+}
+
+basic_body()
+{
+	pft_init
+
+	epair=$(vnet_mkepair)
+
+	ifconfig ${epair}a inet 192.0.2.2/24 up
+
+	vnet_mkjail alcatraz ${epair}b
+	jexec alcatraz ifconfig ${epair}b inet 192.0.2.1/24 up
+
+	# Sanity check
+	atf_check -s exit:0 -o ignore \
+	    ping -c 1 192.0.2.1
+
+	jexec alcatraz pfctl -e
+	pft_set_rules alcatraz \
+	    "block" \
+	    "pass in proto icmp max-pkt-rate 2/2"
+
+	# One ping will pass
+	atf_check -s exit:0 -o ignore \
+	    ping -c 1 192.0.2.1
+
+	# As will a second
+	atf_check -s exit:0 -o ignore \
+	    ping -c 1 192.0.2.1
+
+	# But the third should fail
+	atf_check -s exit:2 -o ignore \
+	    ping -c 1 192.0.2.1
+
+	# But three seconds later we can ping again
+	sleep 3
+	atf_check -s exit:0 -o ignore \
+	    ping -c 1 192.0.2.1
+}
+
+basic_cleanup()
+{
+	pft_cleanup
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case "basic"
+}