netdev - [PATCH bpf v2 3/4] selftests/bpf: Add netkit tests for mac address

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Message-Id: <20240524163619.26001-3-daniel@iogearbox.net>
Date: Fri, 24 May 2024 18:36:18 +0200
From: Daniel Borkmann <daniel@...earbox.net>
To: martin.lau@...nel.org
Cc: razor@...ckwall.org,
	bpf@...r.kernel.org,
	netdev@...r.kernel.org,
	Daniel Borkmann <daniel@...earbox.net>
Subject: [PATCH bpf v2 3/4] selftests/bpf: Add netkit tests for mac address

This adds simple tests around setting MAC addresses in the different
netkit modes.

Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
---
 tools/testing/selftests/bpf/prog_tests/tc_netkit.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/tools/testing/selftests/bpf/prog_tests/tc_netkit.c b/tools/testing/selftests/bpf/prog_tests/tc_netkit.c
index 15ee7b2fc410..18b2e969a456 100644
--- a/tools/testing/selftests/bpf/prog_tests/tc_netkit.c
+++ b/tools/testing/selftests/bpf/prog_tests/tc_netkit.c
@@ -73,6 +73,16 @@ static int create_netkit(int mode, int policy, int peer_policy, int *ifindex,
 			 "up primary");
 	ASSERT_OK(system("ip addr add dev " netkit_name " 10.0.0.1/24"),
 			 "addr primary");
+
+	if (mode == NETKIT_L3) {
+		ASSERT_EQ(system("ip link set dev " netkit_name
+				 " addr ee:ff:bb:cc:aa:dd 2> /dev/null"), 512,
+				 "set hwaddress");
+	} else {
+		ASSERT_OK(system("ip link set dev " netkit_name
+				 " addr ee:ff:bb:cc:aa:dd"),
+				 "set hwaddress");
+	}
 	if (same_netns) {
 		ASSERT_OK(system("ip link set dev " netkit_peer " up"),
 				 "up peer");
-- 
2.34.1