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 <fdtdec.h> 13 #include <malloc.h> 14 #include <net.h> 15 #include <dm/test.h> 16 #include <asm/eth.h> 17 #include <test/ut.h> 18 19 DECLARE_GLOBAL_DATA_PTR; 20 21 static int dm_test_eth(struct unit_test_state *uts) 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 unit_test_state *uts) 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 unit_test_state *uts) 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 /* The asserts include a return on fail; cleanup in the caller */ 86 static int _dm_test_eth_rotate1(struct unit_test_state *uts) 87 { 88 /* Make sure that the default is to rotate to the next interface */ 89 setenv("ethact", "eth@10004000"); 90 ut_assertok(net_loop(PING)); 91 ut_asserteq_str("eth@10002000", getenv("ethact")); 92 93 /* If ethrotate is no, then we should fail on a bad MAC */ 94 setenv("ethact", "eth@10004000"); 95 setenv("ethrotate", "no"); 96 ut_asserteq(-EINVAL, net_loop(PING)); 97 ut_asserteq_str("eth@10004000", getenv("ethact")); 98 99 return 0; 100 } 101 102 static int _dm_test_eth_rotate2(struct unit_test_state *uts) 103 { 104 /* Make sure we can skip invalid devices */ 105 setenv("ethact", "eth@10004000"); 106 ut_assertok(net_loop(PING)); 107 ut_asserteq_str("eth@10004000", getenv("ethact")); 108 109 return 0; 110 } 111 112 static int dm_test_eth_rotate(struct unit_test_state *uts) 113 { 114 char ethaddr[18]; 115 int retval; 116 117 /* Set target IP to mock ping */ 118 net_ping_ip = string_to_ip("1.1.2.2"); 119 120 /* Invalidate eth1's MAC address */ 121 strcpy(ethaddr, getenv("eth1addr")); 122 /* Must disable access protection for eth1addr before clearing */ 123 setenv(".flags", "eth1addr"); 124 setenv("eth1addr", NULL); 125 126 retval = _dm_test_eth_rotate1(uts); 127 128 /* Restore the env */ 129 setenv("eth1addr", ethaddr); 130 setenv("ethrotate", NULL); 131 132 if (!retval) { 133 /* Invalidate eth0's MAC address */ 134 strcpy(ethaddr, getenv("ethaddr")); 135 /* Must disable access protection for ethaddr before clearing */ 136 setenv(".flags", "ethaddr"); 137 setenv("ethaddr", NULL); 138 139 retval = _dm_test_eth_rotate2(uts); 140 141 /* Restore the env */ 142 setenv("ethaddr", ethaddr); 143 } 144 /* Restore the env */ 145 setenv(".flags", NULL); 146 147 return retval; 148 } 149 DM_TEST(dm_test_eth_rotate, DM_TESTF_SCAN_FDT); 150 151 /* The asserts include a return on fail; cleanup in the caller */ 152 static int _dm_test_net_retry(struct unit_test_state *uts) 153 { 154 /* 155 * eth1 is disabled and netretry is yes, so the ping should succeed and 156 * the active device should be eth0 157 */ 158 sandbox_eth_disable_response(1, true); 159 setenv("ethact", "eth@10004000"); 160 setenv("netretry", "yes"); 161 sandbox_eth_skip_timeout(); 162 ut_assertok(net_loop(PING)); 163 ut_asserteq_str("eth@10002000", getenv("ethact")); 164 165 /* 166 * eth1 is disabled and netretry is no, so the ping should fail and the 167 * active device should be eth1 168 */ 169 setenv("ethact", "eth@10004000"); 170 setenv("netretry", "no"); 171 sandbox_eth_skip_timeout(); 172 ut_asserteq(-ETIMEDOUT, net_loop(PING)); 173 ut_asserteq_str("eth@10004000", getenv("ethact")); 174 175 return 0; 176 } 177 178 static int dm_test_net_retry(struct unit_test_state *uts) 179 { 180 int retval; 181 182 net_ping_ip = string_to_ip("1.1.2.2"); 183 184 retval = _dm_test_net_retry(uts); 185 186 /* Restore the env */ 187 setenv("netretry", NULL); 188 sandbox_eth_disable_response(1, false); 189 190 return retval; 191 } 192 DM_TEST(dm_test_net_retry, DM_TESTF_SCAN_FDT); 193