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test/dm/eth.c
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/* * Copyright (c) 2015 National Instruments * * (C) Copyright 2015 * Joe Hershberger <joe.hershberger@ni.com> * * SPDX-License-Identifier: GPL-2.0 */ #include <common.h> #include <dm.h> #include <fdtdec.h> #include <malloc.h> #include <net.h> #include <dm/test.h> #include <dm/device-internal.h> #include <dm/uclass-internal.h> #include <asm/eth.h> #include <test/ut.h> 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"); env_set("ethact", "eth@10002000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", env_get("ethact")); env_set("ethact", "eth@10003000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10003000", env_get("ethact")); env_set("ethact", "eth@10004000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10004000", env_get("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"); env_set("ethact", "eth0"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", env_get("ethact")); env_set("ethact", "eth1"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10004000", env_get("ethact")); /* Expected to fail since eth2 is not defined in the device tree */ env_set("ethact", "eth2"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", env_get("ethact")); env_set("ethact", "eth5"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10003000", env_get("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 */ env_set("ethact", NULL); env_set("ethprime", "eth5"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10003000", env_get("ethact")); /* Expected to be "eth@10002000" because it is first */ env_set("ethact", NULL); env_set("ethprime", NULL); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", env_get("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; memset(ethaddr, '\0', sizeof(ethaddr)); 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 */ strncpy(ethaddr[i], env_get(addrname[i]), 17); /* Must disable access protection for ethaddr before clearing */ env_set(".flags", addrname[i]); env_set(addrname[i], NULL); } /* Set ethact to "eth@10002000" */ env_set("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 */ env_set(".flags", addrname[i]); env_set(addrname[i], ethaddr[i]); /* Probe the device again */ ut_assertok(device_probe(dev[i])); } env_set(".flags", NULL); env_set("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 */ env_set("ethact", "eth@10004000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", env_get("ethact")); /* If ethrotate is no, then we should fail on a bad MAC */ env_set("ethact", "eth@10004000"); env_set("ethrotate", "no"); ut_asserteq(-EINVAL, net_loop(PING)); ut_asserteq_str("eth@10004000", env_get("ethact")); return 0; } static int _dm_test_eth_rotate2(struct unit_test_state *uts) { /* Make sure we can skip invalid devices */ env_set("ethact", "eth@10004000"); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10004000", env_get("ethact")); /* Make sure we can handle device name which is not eth# */ env_set("ethact", "sbe5"); ut_assertok(net_loop(PING)); ut_asserteq_str("sbe5", env_get("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 */ memset(ethaddr, '\0', sizeof(ethaddr)); strncpy(ethaddr, env_get("eth1addr"), 17); /* Must disable access protection for eth1addr before clearing */ env_set(".flags", "eth1addr"); env_set("eth1addr", NULL); retval = _dm_test_eth_rotate1(uts); /* Restore the env */ env_set("eth1addr", ethaddr); env_set("ethrotate", NULL); if (!retval) { /* Invalidate eth0's MAC address */ strncpy(ethaddr, env_get("ethaddr"), 17); /* Must disable access protection for ethaddr before clearing */ env_set(".flags", "ethaddr"); env_set("ethaddr", NULL); retval = _dm_test_eth_rotate2(uts); /* Restore the env */ env_set("ethaddr", ethaddr); } /* Restore the env */ env_set(".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); env_set("ethact", "eth@10004000"); env_set("netretry", "yes"); sandbox_eth_skip_timeout(); ut_assertok(net_loop(PING)); ut_asserteq_str("eth@10002000", env_get("ethact")); /* * eth1 is disabled and netretry is no, so the ping should fail and the * active device should be eth1 */ env_set("ethact", "eth@10004000"); env_set("netretry", "no"); sandbox_eth_skip_timeout(); ut_asserteq(-ETIMEDOUT, net_loop(PING)); ut_asserteq_str("eth@10004000", env_get("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 */ env_set("netretry", NULL); sandbox_eth_disable_response(1, false); return retval; } DM_TEST(dm_test_net_retry, DM_TESTF_SCAN_FDT); |