1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright 2020-2021 NXP
4  */
5 
6 #include <env.h>
7 #include <net/dsa.h>
8 #include <dm/test.h>
9 #include <test/ut.h>
10 #include <net.h>
11 #include <dm/uclass-internal.h>
12 #include <dm/device-internal.h>
13 
14 /* This test exercises the major dsa.h API functions, after making sure
15  * that the DSA ports and the master Eth are correctly probed.
16  */
dm_test_dsa_probe(struct unit_test_state * uts)17 static int dm_test_dsa_probe(struct unit_test_state *uts)
18 {
19 	struct udevice *dev_dsa, *dev_port, *dev_master;
20 	struct dsa_pdata *dsa_pdata;
21 	enum uclass_id id;
22 
23 	id = uclass_get_by_name("dsa");
24 	ut_assert(id == UCLASS_DSA);
25 
26 	ut_assertok(uclass_find_device_by_name(UCLASS_DSA, "dsa-test",
27 					       &dev_dsa));
28 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "dsa-test-eth",
29 					       &dev_master));
30 	ut_assertok(device_probe(dev_master));
31 
32 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "dsa-test@0",
33 					       &dev_port));
34 	ut_assertok(device_probe(dev_port));
35 
36 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "dsa-test@1",
37 					       &dev_port));
38 	ut_assertok(device_probe(dev_port));
39 
40 	/* exercise DSA API */
41 	dsa_pdata = dev_get_uclass_plat(dev_dsa);
42 	ut_assertnonnull(dsa_pdata);
43 	/* includes CPU port */
44 	ut_assert(dsa_pdata->num_ports == 3);
45 
46 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "lan0",
47 					       &dev_port));
48 	ut_assertok(device_probe(dev_port));
49 
50 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "lan1",
51 					       &dev_port));
52 	ut_assertok(device_probe(dev_port));
53 
54 	dev_master = dsa_get_master(dev_dsa);
55 	ut_assertnonnull(dev_master);
56 	ut_asserteq_str("dsa-test-eth", dev_master->name);
57 
58 	return 0;
59 }
60 DM_TEST(dm_test_dsa_probe, UTF_SCAN_FDT);
61 
62 /* This test sends ping requests with the local address through each DSA port
63  * via the sandbox DSA master Eth.
64  */
dm_test_dsa(struct unit_test_state * uts)65 static int dm_test_dsa(struct unit_test_state *uts)
66 {
67 	char *argv[] = { "ping", "1.1.2.2" };
68 
69 	env_set("ethact", "eth2");
70 	ut_assertok(do_ping(NULL, 0, ARRAY_SIZE(argv), argv));
71 
72 	env_set("ethact", "lan0");
73 	ut_assertok(do_ping(NULL, 0, ARRAY_SIZE(argv), argv));
74 	env_set("ethact", "lan1");
75 	ut_assertok(do_ping(NULL, 0, ARRAY_SIZE(argv), argv));
76 
77 	env_set("ethact", "");
78 
79 	return 0;
80 }
81 DM_TEST(dm_test_dsa, UTF_SCAN_FDT);
82