1 /* 2 * Copyright (c) 2015 National Instruments 3 * 4 * (C) Copyright 2015 5 * Joe Hershberger <joe.hershberger@ni.com> 6 * 7 * SPDX-License-Identifier: GPL-2.0 8 */ 9 10 #include <common.h> 11 #include <dm.h> 12 #include <dm/test.h> 13 #include <dm/ut.h> 14 #include <fdtdec.h> 15 #include <malloc.h> 16 #include <net.h> 17 #include <asm/eth.h> 18 19 DECLARE_GLOBAL_DATA_PTR; 20 21 static int dm_test_eth(struct dm_test_state *dms) 22 { 23 net_ping_ip = string_to_ip("1.1.2.2"); 24 25 setenv("ethact", "eth@10002000"); 26 ut_assertok(net_loop(PING)); 27 ut_asserteq_str("eth@10002000", getenv("ethact")); 28 29 setenv("ethact", "eth@10003000"); 30 ut_assertok(net_loop(PING)); 31 ut_asserteq_str("eth@10003000", getenv("ethact")); 32 33 setenv("ethact", "eth@10004000"); 34 ut_assertok(net_loop(PING)); 35 ut_asserteq_str("eth@10004000", getenv("ethact")); 36 37 return 0; 38 } 39 DM_TEST(dm_test_eth, DM_TESTF_SCAN_FDT); 40 41 static int dm_test_eth_alias(struct dm_test_state *dms) 42 { 43 net_ping_ip = string_to_ip("1.1.2.2"); 44 setenv("ethact", "eth0"); 45 ut_assertok(net_loop(PING)); 46 ut_asserteq_str("eth@10002000", getenv("ethact")); 47 48 setenv("ethact", "eth1"); 49 ut_assertok(net_loop(PING)); 50 ut_asserteq_str("eth@10004000", getenv("ethact")); 51 52 /* Expected to fail since eth2 is not defined in the device tree */ 53 setenv("ethact", "eth2"); 54 ut_assertok(net_loop(PING)); 55 ut_asserteq_str("eth@10002000", getenv("ethact")); 56 57 setenv("ethact", "eth5"); 58 ut_assertok(net_loop(PING)); 59 ut_asserteq_str("eth@10003000", getenv("ethact")); 60 61 return 0; 62 } 63 DM_TEST(dm_test_eth_alias, DM_TESTF_SCAN_FDT); 64 65 static int dm_test_eth_prime(struct dm_test_state *dms) 66 { 67 net_ping_ip = string_to_ip("1.1.2.2"); 68 69 /* Expected to be "eth@10003000" because of ethprime variable */ 70 setenv("ethact", NULL); 71 setenv("ethprime", "eth5"); 72 ut_assertok(net_loop(PING)); 73 ut_asserteq_str("eth@10003000", getenv("ethact")); 74 75 /* Expected to be "eth@10002000" because it is first */ 76 setenv("ethact", NULL); 77 setenv("ethprime", NULL); 78 ut_assertok(net_loop(PING)); 79 ut_asserteq_str("eth@10002000", getenv("ethact")); 80 81 return 0; 82 } 83 DM_TEST(dm_test_eth_prime, DM_TESTF_SCAN_FDT); 84 85 static int dm_test_eth_rotate(struct dm_test_state *dms) 86 { 87 char ethaddr[18]; 88 89 /* Invalidate eth1's MAC address */ 90 net_ping_ip = string_to_ip("1.1.2.2"); 91 strcpy(ethaddr, getenv("eth1addr")); 92 /* Must disable access protection for eth1addr before clearing */ 93 setenv(".flags", "eth1addr"); 94 setenv("eth1addr", NULL); 95 96 /* Make sure that the default is to rotate to the next interface */ 97 setenv("ethact", "eth@10004000"); 98 ut_assertok(net_loop(PING)); 99 ut_asserteq_str("eth@10002000", getenv("ethact")); 100 101 /* If ethrotate is no, then we should fail on a bad MAC */ 102 setenv("ethact", "eth@10004000"); 103 setenv("ethrotate", "no"); 104 ut_asserteq(-EINVAL, net_loop(PING)); 105 ut_asserteq_str("eth@10004000", getenv("ethact")); 106 107 /* Restore the env */ 108 setenv("eth1addr", ethaddr); 109 setenv("ethrotate", NULL); 110 111 /* Invalidate eth0's MAC address */ 112 strcpy(ethaddr, getenv("ethaddr")); 113 /* Must disable access protection for ethaddr before clearing */ 114 setenv(".flags", "ethaddr"); 115 setenv("ethaddr", NULL); 116 117 /* Make sure we can skip invalid devices */ 118 setenv("ethact", "eth@10004000"); 119 ut_assertok(net_loop(PING)); 120 ut_asserteq_str("eth@10004000", getenv("ethact")); 121 122 /* Restore the env */ 123 setenv("ethaddr", ethaddr); 124 setenv(".flags", NULL); 125 126 return 0; 127 } 128 DM_TEST(dm_test_eth_rotate, DM_TESTF_SCAN_FDT); 129 130 static int dm_test_net_retry(struct dm_test_state *dms) 131 { 132 net_ping_ip = string_to_ip("1.1.2.2"); 133 134 /* 135 * eth1 is disabled and netretry is yes, so the ping should succeed and 136 * the active device should be eth0 137 */ 138 sandbox_eth_disable_response(1, true); 139 setenv("ethact", "eth@10004000"); 140 setenv("netretry", "yes"); 141 sandbox_eth_skip_timeout(); 142 ut_assertok(net_loop(PING)); 143 ut_asserteq_str("eth@10002000", getenv("ethact")); 144 145 /* 146 * eth1 is disabled and netretry is no, so the ping should fail and the 147 * active device should be eth1 148 */ 149 setenv("ethact", "eth@10004000"); 150 setenv("netretry", "no"); 151 sandbox_eth_skip_timeout(); 152 ut_asserteq(-ETIMEDOUT, net_loop(PING)); 153 ut_asserteq_str("eth@10004000", getenv("ethact")); 154 155 /* Restore the env */ 156 setenv("netretry", NULL); 157 sandbox_eth_disable_response(1, false); 158 159 return 0; 160 } 161 DM_TEST(dm_test_net_retry, DM_TESTF_SCAN_FDT); 162