netdev - [PATCH bpf-next 08/13] selftests/bpf: Pass just bpf_map to xdp_context

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Message-Id: <20250630-skb-metadata-thru-dynptr-v1-8-f17da13625d8@cloudflare.com>
Date: Mon, 30 Jun 2025 16:55:41 +0200
From: Jakub Sitnicki <jakub@...udflare.com>
To: bpf@...r.kernel.org
Cc: Alexei Starovoitov <ast@...nel.org>, 
 Arthur Fabre <arthur@...hurfabre.com>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Jesper Dangaard Brouer <hawk@...nel.org>, 
 Jesse Brandeburg <jbrandeburg@...udflare.com>, 
 Joanne Koong <joannelkoong@...il.com>, 
 Lorenzo Bianconi <lorenzo@...nel.org>, 
 Toke Høiland-Jørgensen <thoiland@...hat.com>, 
 Yan Zhai <yan@...udflare.com>, netdev@...r.kernel.org, 
 kernel-team@...udflare.com, Stanislav Fomichev <sdf@...ichev.me>
Subject: [PATCH bpf-next 08/13] selftests/bpf: Pass just bpf_map to
 xdp_context_test helper

Prepare for parametrizing the xdp_context tests. The assert_test_result
helper doesn't need the whole skeleton. Pass just what it needs.

Signed-off-by: Jakub Sitnicki <jakub@...udflare.com>
---
 tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c | 11 +++++------
 1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c b/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c
index b9d9f0a502ce..0134651d94ab 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_context_test_run.c
@@ -156,15 +156,14 @@ static int send_test_packet(int ifindex)
 	return -1;
 }
 
-static void assert_test_result(struct test_xdp_meta *skel)
+static void assert_test_result(const struct bpf_map *result_map)
 {
 	int err;
 	__u32 map_key = 0;
 	__u8 map_value[TEST_PAYLOAD_LEN];
 
-	err = bpf_map__lookup_elem(skel->maps.test_result, &map_key,
-				   sizeof(map_key), &map_value,
-				   TEST_PAYLOAD_LEN, BPF_ANY);
+	err = bpf_map__lookup_elem(result_map, &map_key, sizeof(map_key),
+				   &map_value, TEST_PAYLOAD_LEN, BPF_ANY);
 	if (!ASSERT_OK(err, "lookup test_result"))
 		return;
 
@@ -248,7 +247,7 @@ void test_xdp_context_veth(void)
 	if (!ASSERT_OK(ret, "send_test_packet"))
 		goto close;
 
-	assert_test_result(skel);
+	assert_test_result(skel->maps.test_result);
 
 close:
 	close_netns(nstoken);
@@ -313,7 +312,7 @@ void test_xdp_context_tuntap(void)
 	if (!ASSERT_EQ(ret, sizeof(packet), "write packet"))
 		goto close;
 
-	assert_test_result(skel);
+	assert_test_result(skel->maps.test_result);
 
 close:
 	if (tap_fd >= 0)

-- 
2.43.0