git: 4ffb7d1300a6 - main - pf tests: Test EtherType filtering

The branch main has been updated by kp:

URL: https://cgit.FreeBSD.org/src/commit/?id=4ffb7d1300a6e4d46ab7fe212509ba32555d1024

commit 4ffb7d1300a6e4d46ab7fe212509ba32555d1024
Author:     Kristof Provost <kp@FreeBSD.org>
AuthorDate: 2021-02-10 09:42:06 +0000
Commit:     Kristof Provost <kp@FreeBSD.org>
CommitDate: 2022-03-02 16:00:05 +0000

    pf tests: Test EtherType filtering
    
    Test filtering packets by their EtherType (i.e. ARP/IPv4/IPv6/...).
    
    Sponsored by:   Rubicon Communications, LLC ("Netgate")
    Differential Revision:  https://reviews.freebsd.org/D31745
---
 tests/sys/netpfil/pf/ether.sh | 43 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 43 insertions(+)

diff --git a/tests/sys/netpfil/pf/ether.sh b/tests/sys/netpfil/pf/ether.sh
index 2781dda611e5..273c5654afa5 100644
--- a/tests/sys/netpfil/pf/ether.sh
+++ b/tests/sys/netpfil/pf/ether.sh
@@ -91,7 +91,50 @@ mac_cleanup()
 	pft_cleanup
 }
 
+atf_test_case "proto" "cleanup"
+proto_head()
+{
+	atf_set descr 'Test EtherType filtering'
+	atf_set require.user root
+}
+
+proto_body()
+{
+	pft_init
+
+	epair=$(vnet_mkepair)
+	epair_a_mac=$(ifconfig ${epair}a ether | awk '/ether/ { print $2; }')
+
+	ifconfig ${epair}a 192.0.2.1/24 up
+
+	vnet_mkjail alcatraz ${epair}b
+	jexec alcatraz ifconfig ${epair}b 192.0.2.2/24 up
+
+	pft_set_rules alcatraz \
+		"ether block proto 0x0810"
+	jexec alcatraz pfctl -e
+
+	atf_check -s exit:0 -o ignore ping -c 1 -t 1 192.0.2.2
+
+	# Block IP
+	pft_set_rules alcatraz \
+		"ether block proto 0x0800"
+	atf_check -s exit:2 -o ignore ping -c 1 -t 1 192.0.2.2
+
+	# Block ARP
+	pft_set_rules alcatraz \
+		"ether block proto 0x0806"
+	arp -d 192.0.2.2
+	atf_check -s exit:2 -o ignore ping -c 1 -t 1 192.0.2.2
+}
+
+proto_cleanup()
+{
+	pft_cleanup
+}
+
 atf_init_test_cases()
 {
 	atf_add_test_case "mac"
+	atf_add_test_case "proto"
 }