1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright 2020-2021 NXP Semiconductors
4  */
5 
6 #include <net/dsa.h>
7 #include <dm/test.h>
8 #include <test/ut.h>
9 #include <net.h>
10 #include <dm/uclass-internal.h>
11 #include <dm/device-internal.h>
12 
13 /* This test exercises the major dsa.h API functions, after making sure
14  * that the DSA ports and the master Eth are correctly probed.
15  */
dm_test_dsa_probe(struct unit_test_state * uts)16 static int dm_test_dsa_probe(struct unit_test_state *uts)
17 {
18 	struct udevice *dev_dsa, *dev_port, *dev_master;
19 	struct dsa_pdata *dsa_pdata;
20 	enum uclass_id id;
21 
22 	id = uclass_get_by_name("dsa");
23 	ut_assert(id == UCLASS_DSA);
24 
25 	ut_assertok(uclass_find_device_by_name(UCLASS_DSA, "dsa-test",
26 					       &dev_dsa));
27 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "dsa-test-eth",
28 					       &dev_master));
29 	ut_assertok(device_probe(dev_master));
30 
31 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "dsa-test@0",
32 					       &dev_port));
33 	ut_assertok(device_probe(dev_port));
34 
35 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "dsa-test@1",
36 					       &dev_port));
37 	ut_assertok(device_probe(dev_port));
38 
39 	/* exercise DSA API */
40 	dsa_pdata = dev_get_uclass_plat(dev_dsa);
41 	ut_assertnonnull(dsa_pdata);
42 	/* includes CPU port */
43 	ut_assert(dsa_pdata->num_ports == 3);
44 
45 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "lan0",
46 					       &dev_port));
47 	ut_assertok(device_probe(dev_port));
48 
49 	ut_assertok(uclass_find_device_by_name(UCLASS_ETH, "lan1",
50 					       &dev_port));
51 	ut_assertok(device_probe(dev_port));
52 
53 	dev_master = dsa_get_master(dev_dsa);
54 	ut_assertnonnull(dev_master);
55 	ut_asserteq_str("dsa-test-eth", dev_master->name);
56 
57 	return 0;
58 }
59 
60 DM_TEST(dm_test_dsa_probe, UT_TESTF_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 	net_ping_ip = string_to_ip("1.2.3.5");
68 
69 	env_set("ethact", "eth2");
70 	ut_assertok(net_loop(PING));
71 
72 	env_set("ethact", "lan0");
73 	ut_assertok(net_loop(PING));
74 	env_set("ethact", "lan1");
75 	ut_assertok(net_loop(PING));
76 
77 	env_set("ethact", "");
78 
79 	return 0;
80 }
81 
82 DM_TEST(dm_test_dsa, UT_TESTF_SCAN_FDT);
83