[PATCH bpf-next 6/7] selftests: bpf: add tests for UDP sockets in sockmap

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Expand the TCP sockmap test suite to also check UDP sockets.

Signed-off-by: Lorenz Bauer <lmb@xxxxxxxxxxxxxx>
---
 .../selftests/bpf/prog_tests/sockmap_listen.c | 92 +++++++++++++------
 1 file changed, 63 insertions(+), 29 deletions(-)

diff --git a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
index 4ba41dd26d6b..72e578a5a5d2 100644
--- a/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
+++ b/tools/testing/selftests/bpf/prog_tests/sockmap_listen.c
@@ -330,7 +330,7 @@ static void test_insert_bound(int family, int sotype, int mapfd)
 	xclose(s);
 }
 
-static void test_insert_listening(int family, int sotype, int mapfd)
+static void test_insert(int family, int sotype, int mapfd)
 {
 	u64 value;
 	u32 key;
@@ -467,7 +467,7 @@ static void test_lookup_32_bit_value(int family, int sotype, int mapfd)
 	xclose(s);
 }
 
-static void test_update_listening(int family, int sotype, int mapfd)
+static void test_update_existing(int family, int sotype, int mapfd)
 {
 	int s1, s2;
 	u64 value;
@@ -1302,11 +1302,15 @@ static void test_reuseport_mixed_groups(int family, int sotype, int sock_map,
 	xclose(s1);
 }
 
-#define TEST(fn)                                                               \
+#define TEST_SOTYPE(fn, sotype)                                                \
 	{                                                                      \
-		fn, #fn                                                        \
+		fn, #fn, sotype                                                \
 	}
 
+#define TEST(fn) TEST_SOTYPE(fn, 0)
+#define TEST_STREAM(fn) TEST_SOTYPE(fn, SOCK_STREAM)
+#define TEST_DGRAM(fn) TEST_SOTYPE(fn, SOCK_DGRAM)
+
 static void test_ops_cleanup(const struct bpf_map *map)
 {
 	const struct bpf_map_def *def;
@@ -1353,18 +1357,31 @@ static const char *map_type_str(const struct bpf_map *map)
 	}
 }
 
+static const char *sotype_str(int sotype)
+{
+	switch (sotype) {
+	case SOCK_DGRAM:
+		return "UDP";
+	case SOCK_STREAM:
+		return "TCP";
+	default:
+		return "unknown";
+	}
+}
+
 static void test_ops(struct test_sockmap_listen *skel, struct bpf_map *map,
 		     int family, int sotype)
 {
 	const struct op_test {
 		void (*fn)(int family, int sotype, int mapfd);
 		const char *name;
+		int sotype;
 	} tests[] = {
 		/* insert */
 		TEST(test_insert_invalid),
 		TEST(test_insert_opened),
-		TEST(test_insert_bound),
-		TEST(test_insert_listening),
+		TEST_STREAM(test_insert_bound),
+		TEST(test_insert),
 		/* delete */
 		TEST(test_delete_after_insert),
 		TEST(test_delete_after_close),
@@ -1373,28 +1390,33 @@ static void test_ops(struct test_sockmap_listen *skel, struct bpf_map *map,
 		TEST(test_lookup_after_delete),
 		TEST(test_lookup_32_bit_value),
 		/* update */
-		TEST(test_update_listening),
+		TEST(test_update_existing),
 		/* races with insert/delete */
-		TEST(test_destroy_orphan_child),
-		TEST(test_syn_recv_insert_delete),
-		TEST(test_race_insert_listen),
+		TEST_STREAM(test_destroy_orphan_child),
+		TEST_STREAM(test_syn_recv_insert_delete),
+		TEST_STREAM(test_race_insert_listen),
 		/* child clone */
-		TEST(test_clone_after_delete),
-		TEST(test_accept_after_delete),
-		TEST(test_accept_before_delete),
+		TEST_STREAM(test_clone_after_delete),
+		TEST_STREAM(test_accept_after_delete),
+		TEST_STREAM(test_accept_before_delete),
 	};
-	const char *family_name, *map_name;
+	const char *family_name, *map_name, *sotype_name;
 	const struct op_test *t;
 	char s[MAX_TEST_NAME];
 	int map_fd;
 
 	family_name = family_str(family);
 	map_name = map_type_str(map);
+	sotype_name = sotype_str(sotype);
 	map_fd = bpf_map__fd(map);
 
+
 	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
-		snprintf(s, sizeof(s), "%s %s %s", map_name, family_name,
-			 t->name);
+		snprintf(s, sizeof(s), "%s %s %s %s", map_name, family_name,
+			 sotype_name, t->name);
+
+		if (t->sotype != 0 && t->sotype != sotype)
+			continue;
 
 		if (!test__start_subtest(s))
 			continue;
@@ -1411,22 +1433,28 @@ static void test_redir(struct test_sockmap_listen *skel, struct bpf_map *map,
 		void (*fn)(struct test_sockmap_listen *skel,
 			   struct bpf_map *map, int family, int sotype);
 		const char *name;
+		int sotype;
 	} tests[] = {
-		TEST(test_skb_redir_to_connected),
-		TEST(test_skb_redir_to_listening),
-		TEST(test_msg_redir_to_connected),
-		TEST(test_msg_redir_to_listening),
+		TEST_STREAM(test_skb_redir_to_connected),
+		TEST_STREAM(test_skb_redir_to_listening),
+		TEST_STREAM(test_msg_redir_to_connected),
+		TEST_STREAM(test_msg_redir_to_listening),
 	};
-	const char *family_name, *map_name;
+	const char *family_name, *map_name, *sotype_name;
 	const struct redir_test *t;
 	char s[MAX_TEST_NAME];
 
 	family_name = family_str(family);
 	map_name = map_type_str(map);
+	sotype_name = sotype_str(sotype);
 
 	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
-		snprintf(s, sizeof(s), "%s %s %s", map_name, family_name,
-			 t->name);
+		snprintf(s, sizeof(s), "%s %s %s %s", map_name, family_name,
+			 sotype_name, t->name);
+
+		if (t->sotype != 0 && t->sotype != sotype)
+			continue;
+
 		if (!test__start_subtest(s))
 			continue;
 
@@ -1441,26 +1469,31 @@ static void test_reuseport(struct test_sockmap_listen *skel,
 		void (*fn)(int family, int sotype, int socket_map,
 			   int verdict_map, int reuseport_prog);
 		const char *name;
+		int sotype;
 	} tests[] = {
-		TEST(test_reuseport_select_listening),
-		TEST(test_reuseport_select_connected),
-		TEST(test_reuseport_mixed_groups),
+		TEST_STREAM(test_reuseport_select_listening),
+		TEST_STREAM(test_reuseport_select_connected),
+		TEST_STREAM(test_reuseport_mixed_groups),
 	};
 	int socket_map, verdict_map, reuseport_prog;
-	const char *family_name, *map_name;
+	const char *family_name, *map_name, *sotype_name;
 	const struct reuseport_test *t;
 	char s[MAX_TEST_NAME];
 
 	family_name = family_str(family);
 	map_name = map_type_str(map);
+	sotype_name = sotype_str(sotype);
 
 	socket_map = bpf_map__fd(map);
 	verdict_map = bpf_map__fd(skel->maps.verdict_map);
 	reuseport_prog = bpf_program__fd(skel->progs.prog_reuseport);
 
 	for (t = tests; t < tests + ARRAY_SIZE(tests); t++) {
-		snprintf(s, sizeof(s), "%s %s %s", map_name, family_name,
-			 t->name);
+		snprintf(s, sizeof(s), "%s %s %s %s", map_name, family_name,
+			 sotype_name, t->name);
+
+		if (t->sotype != 0 && t->sotype != sotype)
+			continue;
 
 		if (!test__start_subtest(s))
 			continue;
@@ -1473,6 +1506,7 @@ static void run_tests(struct test_sockmap_listen *skel, struct bpf_map *map,
 		      int family)
 {
 	test_ops(skel, map, family, SOCK_STREAM);
+	test_ops(skel, map, family, SOCK_DGRAM);
 	test_redir(skel, map, family, SOCK_STREAM);
 	test_reuseport(skel, map, family, SOCK_STREAM);
 }
-- 
2.20.1




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