Add a basic table entry counter regression test.

Reviewed by:	kp
MFC after:	2 weeks
Differential Revision:	https://reviews.freebsd.org/D24809

tests/sys/netpfil/pf/Makefile

@@ -16,6 +16,7 @@ ATF_TESTS_SH+=	anchor \
 		route_to \
 		synproxy \
 		set_skip \
+		table \
 		pfsync	\
 		icmp
 

tests/sys/netpfil/pf/table.sh

@@ -0,0 +1,115 @@
+# $FreeBSD$
+#
+# SPDX-License-Identifier: BSD-2-Clause-FreeBSD
+#
+# Copyright (c) 2020 Mark Johnston <markj@FreeBSD.org>
+#
+# 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.
+
+. $(atf_get_srcdir)/utils.subr
+
+TABLE_STATS_ZERO_REGEXP='Packets: 0[[:space:]]*Bytes: 0[[:space:]]'
+TABLE_STATS_NONZERO_REGEXP='Packets: [1-9][0-9]*[[:space:]]*Bytes: [1-9][0-9]*[[:space:]]'
+
+atf_test_case "v4_counters" "cleanup"
+v4_counters_head()
+{
+	atf_set descr 'Verify per-address counters for v4'
+	atf_set require.user root
+}
+
+v4_counters_body()
+{
+	pft_init
+
+	epair_send=$(vnet_mkepair)
+	ifconfig ${epair_send}a 192.0.2.1/24 up
+
+	vnet_mkjail alcatraz ${epair_send}b
+	jexec alcatraz ifconfig ${epair_send}b 192.0.2.2/24 up
+	jexec alcatraz pfctl -e
+
+	pft_set_rules alcatraz \
+	    "table <foo> counters { 192.0.2.1 }" \
+	    "block all" \
+	    "pass in from <foo> to any" \
+	    "pass out from any to <foo>"
+
+	atf_check -s exit:0 -o ignore ping -c 3 192.0.2.2
+
+	atf_check -s exit:0 -e ignore \
+	    -o match:'In/Block:.*'"$TABLE_STATS_ZERO_REGEXP" \
+	    -o match:'In/Pass:.*'"$TABLE_STATS_NONZERO_REGEXP" \
+	    -o match:'Out/Block:.*'"$TABLE_STATS_ZERO_REGEXP" \
+	    -o match:'Out/Pass:.*'"$TABLE_STATS_NONZERO_REGEXP" \
+	    jexec alcatraz pfctl -t foo -T show -vv
+}
+
+v4_counters_cleanup()
+{
+	pft_cleanup
+}
+
+atf_test_case "v6_counters" "cleanup"
+v6_counters_head()
+{
+	atf_set descr 'Verify per-address counters for v6'
+	atf_set require.user root
+}
+
+v6_counters_body()
+{
+	pft_init
+
+	epair_send=$(vnet_mkepair)
+	ifconfig ${epair_send}a inet6 2001:db8:42::1/64 up no_dad -ifdisabled
+
+	vnet_mkjail alcatraz ${epair_send}b
+	jexec alcatraz ifconfig ${epair_send}b inet6 2001:db8:42::2/64 up no_dad
+	jexec alcatraz pfctl -e
+
+	pft_set_rules alcatraz \
+	    "table <foo6> counters { 2001:db8:42::1 }" \
+	    "block all" \
+	    "pass in from <foo6> to any" \
+	    "pass out from any to <foo6>"
+
+	atf_check -s exit:0 -o ignore ping6 -c 3 2001:db8:42::2
+
+	atf_check -s exit:0 -e ignore \
+	    -o match:'In/Block:.*'"$TABLE_STATS_ZERO_REGEXP" \
+	    -o match:'In/Pass:.*'"$TABLE_STATS_NONZERO_REGEXP" \
+	    -o match:'Out/Block:.*'"$TABLE_STATS_ZERO_REGEXP" \
+	    -o match:'Out/Pass:.*'"$TABLE_STATS_NONZERO_REGEXP" \
+	    jexec alcatraz pfctl -t foo6 -T show -vv
+}
+
+v6_counters_cleanup()
+{
+	pft_cleanup
+}
+
+atf_init_test_cases()
+{
+	atf_add_test_case "v4_counters"
+	atf_add_test_case "v6_counters"
+}