/* * Copyright (c) 2015 National Instruments * * (C) Copyright 2015 * Joe Hershberger * * SPDX-License-Identifier: GPL-2.0 */ #include #include #include #include #include #include #include #include #include #include DECLARE_GLOBAL_DATA_PTR; #define DM_TEST_ETH_NUM 4 static int dm_test_eth(struct unit_test_state *uts) { net_ping_ip = string_to_ip("1.1.2.2"); setenv("ethact", "eth@10002000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", getenv("ethact")); setenv("ethact", "eth@10003000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10003000", getenv("ethact")); setenv("ethact", "eth@10004000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10004000", getenv("ethact")); return 0; } DM_TEST(dm_test_eth, DM_TESTF_SCAN_FDT); static int dm_test_eth_alias(struct unit_test_state *uts) { net_ping_ip = string_to_ip("1.1.2.2"); setenv("ethact", "eth0"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", getenv("ethact")); setenv("ethact", "eth1"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10004000", getenv("ethact")); /* Expected to fail since eth2 is not defined in the device tree */ setenv("ethact", "eth2"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", getenv("ethact")); setenv("ethact", "eth5"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10003000", getenv("ethact")); return 0; } DM_TEST(dm_test_eth_alias, DM_TESTF_SCAN_FDT); static int dm_test_eth_prime(struct unit_test_state *uts) { net_ping_ip = string_to_ip("1.1.2.2"); /* Expected to be "eth@10003000" because of ethprime variable */ setenv("ethact", NULL); setenv("ethprime", "eth5"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10003000", getenv("ethact")); /* Expected to be "eth@10002000" because it is first */ setenv("ethact", NULL); setenv("ethprime", NULL); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", getenv("ethact")); return 0; } DM_TEST(dm_test_eth_prime, DM_TESTF_SCAN_FDT); /** * This test case is trying to test the following scenario: * - All ethernet devices are not probed * - "ethaddr" for all ethernet devices are not set * - "ethact" is set to a valid ethernet device name * * With Sandbox default test configuration, all ethernet devices are * probed after power-up, so we have to manually create such scenario: * - Remove all ethernet devices * - Remove all "ethaddr" environment variables * - Set "ethact" to the first ethernet device * * Do a ping test to see if anything goes wrong. */ static int dm_test_eth_act(struct unit_test_state *uts) { struct udevice *dev[DM_TEST_ETH_NUM]; const char *ethname[DM_TEST_ETH_NUM] = {"eth@10002000", "eth@10003000", "sbe5", "eth@10004000"}; const char *addrname[DM_TEST_ETH_NUM] = {"ethaddr", "eth5addr", "eth3addr", "eth1addr"}; char ethaddr[DM_TEST_ETH_NUM][18]; int i; net_ping_ip = string_to_ip("1.1.2.2"); /* Prepare the test scenario */ for (i = 0; i < DM_TEST_ETH_NUM; i++) { ut_assertok(uclass_find_device_by_name(UCLASS_ETH, ethname[i], &dev[i])); ut_assertok(device_remove(dev[i], DM_REMOVE_NORMAL)); /* Invalidate MAC address */ strcpy(ethaddr[i], getenv(addrname[i])); /* Must disable access protection for ethaddr before clearing */ setenv(".flags", addrname[i]); setenv(addrname[i], NULL); } /* Set ethact to "eth@10002000" */ setenv("ethact", ethname[0]); /* Segment fault might happen if something is wrong */ ut_asserteq(-ENODEV, net_loop(PING)); for (i = 0; i < DM_TEST_ETH_NUM; i++) { /* Restore the env */ setenv(".flags", addrname[i]); setenv(addrname[i], ethaddr[i]); /* Probe the device again */ ut_assertok(device_probe(dev[i])); } setenv(".flags", NULL); setenv("ethact", NULL); return 0; } DM_TEST(dm_test_eth_act, DM_TESTF_SCAN_FDT); /* The asserts include a return on fail; cleanup in the caller */ static int _dm_test_eth_rotate1(struct unit_test_state *uts) { /* Make sure that the default is to rotate to the next interface */ setenv("ethact", "eth@10004000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", getenv("ethact")); /* If ethrotate is no, then we should fail on a bad MAC */ setenv("ethact", "eth@10004000"); setenv("ethrotate", "no"); ut_asserteq(-EINVAL, net_loop(PING)); ut_asserteq_str("eth@10004000", getenv("ethact")); return 0; } static int _dm_test_eth_rotate2(struct unit_test_state *uts) { /* Make sure we can skip invalid devices */ setenv("ethact", "eth@10004000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10004000", getenv("ethact")); /* Make sure we can handle device name which is not eth# */ setenv("ethact", "sbe5"); ut_assertok(net_loop(PING)); ut_asserteq_str("sbe5", getenv("ethact")); return 0; } static int dm_test_eth_rotate(struct unit_test_state *uts) { char ethaddr[18]; int retval; /* Set target IP to mock ping */ net_ping_ip = string_to_ip("1.1.2.2"); /* Invalidate eth1's MAC address */ strcpy(ethaddr, getenv("eth1addr")); /* Must disable access protection for eth1addr before clearing */ setenv(".flags", "eth1addr"); setenv("eth1addr", NULL); retval = _dm_test_eth_rotate1(uts); /* Restore the env */ setenv("eth1addr", ethaddr); setenv("ethrotate", NULL); if (!retval) { /* Invalidate eth0's MAC address */ strcpy(ethaddr, getenv("ethaddr")); /* Must disable access protection for ethaddr before clearing */ setenv(".flags", "ethaddr"); setenv("ethaddr", NULL); retval = _dm_test_eth_rotate2(uts); /* Restore the env */ setenv("ethaddr", ethaddr); } /* Restore the env */ setenv(".flags", NULL); return retval; } DM_TEST(dm_test_eth_rotate, DM_TESTF_SCAN_FDT); /* The asserts include a return on fail; cleanup in the caller */ static int _dm_test_net_retry(struct unit_test_state *uts) { /* * eth1 is disabled and netretry is yes, so the ping should succeed and * the active device should be eth0 */ sandbox_eth_disable_response(1, true); setenv("ethact", "eth@10004000"); setenv("netretry", "yes"); sandbox_eth_skip_timeout(); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", getenv("ethact")); /* * eth1 is disabled and netretry is no, so the ping should fail and the * active device should be eth1 */ setenv("ethact", "eth@10004000"); setenv("netretry", "no"); sandbox_eth_skip_timeout(); ut_asserteq(-ETIMEDOUT, net_loop(PING)); ut_asserteq_str("eth@10004000", getenv("ethact")); return 0; } static int dm_test_net_retry(struct unit_test_state *uts) { int retval; net_ping_ip = string_to_ip("1.1.2.2"); retval = _dm_test_net_retry(uts); /* Restore the env */ setenv("netretry", NULL); sandbox_eth_disable_response(1, false); return retval; } DM_TEST(dm_test_net_retry, DM_TESTF_SCAN_FDT);