1 | /** |
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2 | * @file IxEthDBAPI.c |
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3 | * |
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4 | * @brief Implementation of the public API |
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5 | * |
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6 | * @par |
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7 | * IXP400 SW Release version 2.0 |
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8 | * |
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9 | * -- Copyright Notice -- |
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10 | * |
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11 | * @par |
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12 | * Copyright 2001-2005, Intel Corporation. |
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13 | * All rights reserved. |
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14 | * |
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15 | * @par |
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16 | * Redistribution and use in source and binary forms, with or without |
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17 | * modification, are permitted provided that the following conditions |
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18 | * are met: |
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19 | * 1. Redistributions of source code must retain the above copyright |
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20 | * notice, this list of conditions and the following disclaimer. |
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21 | * 2. Redistributions in binary form must reproduce the above copyright |
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22 | * notice, this list of conditions and the following disclaimer in the |
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23 | * documentation and/or other materials provided with the distribution. |
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24 | * 3. Neither the name of the Intel Corporation nor the names of its contributors |
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25 | * may be used to endorse or promote products derived from this software |
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26 | * without specific prior written permission. |
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27 | * |
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28 | * @par |
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29 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' |
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30 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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31 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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32 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE |
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33 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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34 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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35 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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36 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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37 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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38 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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39 | * SUCH DAMAGE. |
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40 | * |
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41 | * @par |
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42 | * -- End of Copyright Notice -- |
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43 | */ |
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44 | |
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45 | #include "IxEthDB_p.h" |
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46 | #include "IxFeatureCtrl.h" |
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47 | |
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48 | extern HashTable dbHashtable; |
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49 | extern IxEthDBPortMap overflowUpdatePortList; |
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50 | extern BOOL ixEthDBPortUpdateRequired[IX_ETH_DB_MAX_RECORD_TYPE_INDEX + 1]; |
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51 | |
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52 | IX_ETH_DB_PUBLIC |
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53 | IxEthDBStatus ixEthDBFilteringStaticEntryProvision(IxEthDBPortId portID, IxEthDBMacAddr *macAddr) |
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54 | { |
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55 | IX_ETH_DB_CHECK_PORT(portID); |
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56 | |
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57 | IX_ETH_DB_CHECK_SINGLE_NPE(portID); |
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58 | |
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59 | IX_ETH_DB_CHECK_REFERENCE(macAddr); |
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60 | |
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61 | IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING); |
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62 | |
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63 | return ixEthDBTriggerAddPortUpdate(macAddr, portID, TRUE); |
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64 | } |
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65 | |
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66 | IX_ETH_DB_PUBLIC |
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67 | IxEthDBStatus ixEthDBFilteringDynamicEntryProvision(IxEthDBPortId portID, IxEthDBMacAddr *macAddr) |
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68 | { |
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69 | IX_ETH_DB_CHECK_PORT(portID); |
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70 | |
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71 | IX_ETH_DB_CHECK_SINGLE_NPE(portID); |
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72 | |
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73 | IX_ETH_DB_CHECK_REFERENCE(macAddr); |
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74 | |
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75 | IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING); |
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76 | |
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77 | return ixEthDBTriggerAddPortUpdate(macAddr, portID, FALSE); |
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78 | } |
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79 | |
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80 | IX_ETH_DB_PUBLIC |
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81 | IxEthDBStatus ixEthDBFilteringEntryDelete(IxEthDBMacAddr *macAddr) |
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82 | { |
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83 | HashNode *searchResult; |
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84 | |
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85 | IX_ETH_DB_CHECK_REFERENCE(macAddr); |
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86 | |
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87 | searchResult = ixEthDBSearch(macAddr, IX_ETH_DB_ALL_FILTERING_RECORDS); |
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88 | |
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89 | if (searchResult == NULL) |
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90 | { |
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91 | return IX_ETH_DB_NO_SUCH_ADDR; /* not found */ |
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92 | } |
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93 | |
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94 | ixEthDBReleaseHashNode(searchResult); |
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95 | |
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96 | /* build a remove event and place it on the event queue */ |
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97 | return ixEthDBTriggerRemovePortUpdate(macAddr, ((MacDescriptor *) searchResult->data)->portID); |
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98 | } |
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99 | |
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100 | IX_ETH_DB_PUBLIC |
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101 | void ixEthDBDatabaseMaintenance() |
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102 | { |
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103 | HashIterator iterator; |
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104 | UINT32 portIndex; |
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105 | BOOL agingRequired = FALSE; |
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106 | |
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107 | /* ports who will have deleted records and therefore will need updating */ |
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108 | IxEthDBPortMap triggerPorts; |
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109 | |
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110 | if (IX_FEATURE_CTRL_SWCONFIG_ENABLED != |
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111 | ixFeatureCtrlSwConfigurationCheck (IX_FEATURECTRL_ETH_LEARNING)) |
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112 | { |
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113 | return; |
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114 | } |
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115 | |
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116 | SET_EMPTY_DEPENDENCY_MAP(triggerPorts); |
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117 | |
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118 | /* check if there's at least a port that needs aging */ |
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119 | for (portIndex = 0 ; portIndex < IX_ETH_DB_NUMBER_OF_PORTS ; portIndex++) |
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120 | { |
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121 | if (ixEthDBPortInfo[portIndex].agingEnabled && ixEthDBPortInfo[portIndex].enabled) |
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122 | { |
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123 | agingRequired = TRUE; |
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124 | } |
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125 | } |
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126 | |
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127 | if (agingRequired) |
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128 | { |
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129 | /* ask each NPE port to write back the database for aging inspection */ |
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130 | for (portIndex = 0 ; portIndex < IX_ETH_DB_NUMBER_OF_PORTS ; portIndex++) |
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131 | { |
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132 | if (ixEthDBPortDefinitions[portIndex].type == IX_ETH_NPE |
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133 | && ixEthDBPortInfo[portIndex].agingEnabled |
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134 | && ixEthDBPortInfo[portIndex].enabled) |
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135 | { |
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136 | IxNpeMhMessage message; |
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137 | IX_STATUS result; |
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138 | |
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139 | /* send EDB_GetMACAddressDatabase message */ |
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140 | FILL_GETMACADDRESSDATABASE(message, |
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141 | 0 /* unused */, |
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142 | IX_OSAL_MMU_VIRT_TO_PHYS(ixEthDBPortInfo[portIndex].updateMethod.npeUpdateZone)); |
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143 | |
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144 | IX_ETHDB_SEND_NPE_MSG(IX_ETH_DB_PORT_ID_TO_NPE(portIndex), message, result); |
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145 | |
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146 | if (result == IX_SUCCESS) |
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147 | { |
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148 | /* analyze NPE copy */ |
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149 | ixEthDBNPESyncScan(portIndex, ixEthDBPortInfo[portIndex].updateMethod.npeUpdateZone, FULL_ELT_BYTE_SIZE); |
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150 | |
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151 | IX_ETH_DB_SUPPORT_TRACE("DB: (API) Finished scanning NPE tree on port %d\n", portIndex); |
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152 | } |
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153 | else |
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154 | { |
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155 | ixEthDBPortInfo[portIndex].agingEnabled = FALSE; |
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156 | ixEthDBPortInfo[portIndex].updateMethod.updateEnabled = FALSE; |
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157 | ixEthDBPortInfo[portIndex].updateMethod.userControlled = TRUE; |
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158 | |
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159 | ixOsalLog(IX_OSAL_LOG_LVL_FATAL, |
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160 | IX_OSAL_LOG_DEV_STDOUT, |
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161 | "EthDB: (Maintenance) warning, disabling aging and updates for port %d (assumed dead)\n", |
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162 | portIndex, 0, 0, 0, 0, 0); |
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163 | |
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164 | ixEthDBDatabaseClear(portIndex, IX_ETH_DB_ALL_RECORD_TYPES); |
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165 | } |
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166 | } |
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167 | } |
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168 | |
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169 | /* browse database and age entries */ |
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170 | BUSY_RETRY(ixEthDBInitHashIterator(&dbHashtable, &iterator)); |
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171 | |
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172 | while (IS_ITERATOR_VALID(&iterator)) |
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173 | { |
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174 | MacDescriptor *descriptor = (MacDescriptor *) iterator.node->data; |
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175 | UINT32 *age = NULL; |
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176 | BOOL staticEntry = TRUE; |
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177 | |
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178 | if (descriptor->type == IX_ETH_DB_FILTERING_RECORD) |
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179 | { |
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180 | age = &descriptor->recordData.filteringData.age; |
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181 | staticEntry = descriptor->recordData.filteringData.staticEntry; |
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182 | } |
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183 | else if (descriptor->type == IX_ETH_DB_FILTERING_VLAN_RECORD) |
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184 | { |
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185 | age = &descriptor->recordData.filteringVlanData.age; |
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186 | staticEntry = descriptor->recordData.filteringVlanData.staticEntry; |
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187 | } |
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188 | else |
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189 | { |
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190 | staticEntry = TRUE; |
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191 | } |
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192 | |
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193 | if (ixEthDBPortInfo[descriptor->portID].agingEnabled && (staticEntry == FALSE)) |
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194 | { |
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195 | /* manually increment the age if the port has no such capability */ |
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196 | if ((ixEthDBPortDefinitions[descriptor->portID].capabilities & IX_ETH_ENTRY_AGING) == 0) |
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197 | { |
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198 | *age += (IX_ETH_DB_MAINTENANCE_TIME / 60); |
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199 | } |
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200 | |
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201 | /* age entry if it exceeded the maximum time to live */ |
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202 | if (*age >= (IX_ETH_DB_LEARNING_ENTRY_AGE_TIME / 60)) |
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203 | { |
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204 | /* add port to the set of update trigger ports */ |
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205 | JOIN_PORT_TO_MAP(triggerPorts, descriptor->portID); |
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206 | |
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207 | /* delete entry */ |
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208 | BUSY_RETRY(ixEthDBRemoveEntryAtHashIterator(&dbHashtable, &iterator)); |
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209 | } |
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210 | else |
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211 | { |
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212 | /* move to the next record */ |
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213 | BUSY_RETRY(ixEthDBIncrementHashIterator(&dbHashtable, &iterator)); |
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214 | } |
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215 | } |
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216 | else |
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217 | { |
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218 | /* move to the next record */ |
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219 | BUSY_RETRY(ixEthDBIncrementHashIterator(&dbHashtable, &iterator)); |
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220 | } |
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221 | } |
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222 | |
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223 | /* update ports which lost records */ |
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224 | ixEthDBUpdatePortLearningTrees(triggerPorts); |
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225 | } |
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226 | } |
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227 | |
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228 | IX_ETH_DB_PUBLIC |
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229 | IxEthDBStatus ixEthDBDatabaseClear(IxEthDBPortId portID, IxEthDBRecordType recordType) |
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230 | { |
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231 | IxEthDBPortMap triggerPorts; |
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232 | HashIterator iterator; |
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233 | |
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234 | if (portID >= IX_ETH_DB_NUMBER_OF_PORTS && portID != IX_ETH_DB_ALL_PORTS) |
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235 | { |
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236 | return IX_ETH_DB_INVALID_PORT; |
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237 | } |
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238 | |
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239 | /* check if the user passes some extra bits */ |
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240 | if ((recordType | IX_ETH_DB_ALL_RECORD_TYPES) != IX_ETH_DB_ALL_RECORD_TYPES) |
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241 | { |
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242 | return IX_ETH_DB_INVALID_ARG; |
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243 | } |
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244 | |
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245 | SET_EMPTY_DEPENDENCY_MAP(triggerPorts); |
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246 | |
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247 | /* browse database and age entries */ |
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248 | BUSY_RETRY(ixEthDBInitHashIterator(&dbHashtable, &iterator)); |
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249 | |
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250 | while (IS_ITERATOR_VALID(&iterator)) |
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251 | { |
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252 | MacDescriptor *descriptor = (MacDescriptor *) iterator.node->data; |
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253 | |
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254 | if (((descriptor->portID == portID) || (portID == IX_ETH_DB_ALL_PORTS)) |
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255 | && ((descriptor->type & recordType) != 0)) |
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256 | { |
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257 | /* add to trigger if automatic updates are required */ |
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258 | if (ixEthDBPortUpdateRequired[descriptor->type]) |
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259 | { |
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260 | /* add port to the set of update trigger ports */ |
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261 | JOIN_PORT_TO_MAP(triggerPorts, descriptor->portID); |
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262 | } |
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263 | |
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264 | /* delete entry */ |
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265 | BUSY_RETRY(ixEthDBRemoveEntryAtHashIterator(&dbHashtable, &iterator)); |
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266 | } |
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267 | else |
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268 | { |
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269 | /* move to the next record */ |
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270 | BUSY_RETRY(ixEthDBIncrementHashIterator(&dbHashtable, &iterator)); |
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271 | } |
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272 | } |
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273 | |
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274 | /* update ports which lost records */ |
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275 | ixEthDBUpdatePortLearningTrees(triggerPorts); |
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276 | |
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277 | return IX_ETH_DB_SUCCESS; |
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278 | } |
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279 | |
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280 | IX_ETH_DB_PUBLIC |
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281 | IxEthDBStatus ixEthDBFilteringPortSearch(IxEthDBPortId portID, IxEthDBMacAddr *macAddr) |
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282 | { |
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283 | HashNode *searchResult; |
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284 | IxEthDBStatus result = IX_ETH_DB_NO_SUCH_ADDR; |
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285 | |
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286 | IX_ETH_DB_CHECK_PORT(portID); |
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287 | |
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288 | IX_ETH_DB_CHECK_SINGLE_NPE(portID); |
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289 | |
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290 | IX_ETH_DB_CHECK_REFERENCE(macAddr); |
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291 | |
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292 | IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING); |
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293 | |
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294 | searchResult = ixEthDBSearch(macAddr, IX_ETH_DB_ALL_FILTERING_RECORDS); |
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295 | |
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296 | if (searchResult == NULL) |
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297 | { |
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298 | return IX_ETH_DB_NO_SUCH_ADDR; /* not found */ |
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299 | } |
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300 | |
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301 | if (((MacDescriptor *) (searchResult->data))->portID == portID) |
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302 | { |
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303 | result = IX_ETH_DB_SUCCESS; /* address and port match */ |
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304 | } |
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305 | |
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306 | ixEthDBReleaseHashNode(searchResult); |
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307 | |
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308 | return result; |
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309 | } |
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310 | |
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311 | IX_ETH_DB_PUBLIC |
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312 | IxEthDBStatus ixEthDBFilteringDatabaseSearch(IxEthDBPortId *portID, IxEthDBMacAddr *macAddr) |
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313 | { |
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314 | HashNode *searchResult; |
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315 | |
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316 | IX_ETH_DB_CHECK_REFERENCE(portID); |
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317 | |
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318 | IX_ETH_DB_CHECK_REFERENCE(macAddr); |
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319 | |
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320 | searchResult = ixEthDBSearch(macAddr, IX_ETH_DB_ALL_FILTERING_RECORDS); |
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321 | |
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322 | if (searchResult == NULL) |
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323 | { |
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324 | return IX_ETH_DB_NO_SUCH_ADDR; /* not found */ |
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325 | } |
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326 | |
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327 | /* return the port ID */ |
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328 | *portID = ((MacDescriptor *) searchResult->data)->portID; |
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329 | |
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330 | ixEthDBReleaseHashNode(searchResult); |
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331 | |
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332 | return IX_ETH_DB_SUCCESS; |
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333 | } |
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334 | |
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335 | IX_ETH_DB_PUBLIC |
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336 | IxEthDBStatus ixEthDBPortAgingDisable(IxEthDBPortId portID) |
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337 | { |
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338 | IX_ETH_DB_CHECK_PORT(portID); |
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339 | |
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340 | IX_ETH_DB_CHECK_SINGLE_NPE(portID); |
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341 | |
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342 | IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING); |
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343 | |
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344 | ixEthDBPortInfo[portID].agingEnabled = FALSE; |
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345 | |
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346 | return IX_ETH_DB_SUCCESS; |
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347 | } |
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348 | |
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349 | IX_ETH_DB_PUBLIC |
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350 | IxEthDBStatus ixEthDBPortAgingEnable(IxEthDBPortId portID) |
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351 | { |
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352 | IX_ETH_DB_CHECK_PORT(portID); |
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353 | |
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354 | IX_ETH_DB_CHECK_SINGLE_NPE(portID); |
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355 | |
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356 | IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_LEARNING); |
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357 | |
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358 | ixEthDBPortInfo[portID].agingEnabled = TRUE; |
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359 | |
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360 | return IX_ETH_DB_SUCCESS; |
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361 | } |
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362 | |
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363 | IX_ETH_DB_PUBLIC |
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364 | IxEthDBStatus ixEthDBFilteringPortUpdatingSearch(IxEthDBPortId *portID, IxEthDBMacAddr *macAddr) |
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365 | { |
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366 | HashNode *searchResult; |
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367 | MacDescriptor *descriptor; |
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368 | |
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369 | IX_ETH_DB_CHECK_REFERENCE(portID); |
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370 | |
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371 | IX_ETH_DB_CHECK_REFERENCE(macAddr); |
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372 | |
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373 | searchResult = ixEthDBSearch(macAddr, IX_ETH_DB_ALL_FILTERING_RECORDS); |
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374 | |
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375 | if (searchResult == NULL) |
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376 | { |
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377 | return IX_ETH_DB_NO_SUCH_ADDR; /* not found */ |
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378 | } |
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379 | |
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380 | descriptor = (MacDescriptor *) searchResult->data; |
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381 | |
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382 | /* return the port ID */ |
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383 | *portID = descriptor->portID; |
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384 | |
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385 | /* reset entry age */ |
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386 | if (descriptor->type == IX_ETH_DB_FILTERING_RECORD) |
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387 | { |
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388 | descriptor->recordData.filteringData.age = 0; |
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389 | } |
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390 | else |
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391 | { |
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392 | descriptor->recordData.filteringVlanData.age = 0; |
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393 | } |
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394 | |
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395 | ixEthDBReleaseHashNode(searchResult); |
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396 | |
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397 | return IX_ETH_DB_SUCCESS; |
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398 | } |
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399 | |
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400 | IX_ETH_DB_PUBLIC |
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401 | IxEthDBStatus ixEthDBPortDependencyMapSet(IxEthDBPortId portID, IxEthDBPortMap dependencyPortMap) |
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402 | { |
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403 | IX_ETH_DB_CHECK_PORT(portID); |
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404 | |
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405 | IX_ETH_DB_CHECK_SINGLE_NPE(portID); |
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406 | |
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407 | IX_ETH_DB_CHECK_REFERENCE(dependencyPortMap); |
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408 | |
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409 | IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_FILTERING); |
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410 | |
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411 | /* force bit at offset 255 to 0 (reserved) */ |
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412 | dependencyPortMap[31] &= 0xFE; |
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413 | |
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414 | COPY_DEPENDENCY_MAP(ixEthDBPortInfo[portID].dependencyPortMap, dependencyPortMap); |
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415 | |
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416 | return IX_ETH_DB_SUCCESS; |
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417 | } |
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418 | |
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419 | IX_ETH_DB_PUBLIC |
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420 | IxEthDBStatus ixEthDBPortDependencyMapGet(IxEthDBPortId portID, IxEthDBPortMap dependencyPortMap) |
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421 | { |
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422 | IX_ETH_DB_CHECK_PORT(portID); |
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423 | |
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424 | IX_ETH_DB_CHECK_SINGLE_NPE(portID); |
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425 | |
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426 | IX_ETH_DB_CHECK_REFERENCE(dependencyPortMap); |
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427 | |
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428 | IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_FILTERING); |
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429 | |
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430 | COPY_DEPENDENCY_MAP(dependencyPortMap, ixEthDBPortInfo[portID].dependencyPortMap); |
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431 | |
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432 | return IX_ETH_DB_SUCCESS; |
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433 | } |
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434 | |
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435 | IX_ETH_DB_PUBLIC |
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436 | IxEthDBStatus ixEthDBPortUpdateEnableSet(IxEthDBPortId portID, BOOL enableUpdate) |
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437 | { |
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438 | IX_ETH_DB_CHECK_PORT(portID); |
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439 | |
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440 | IX_ETH_DB_CHECK_SINGLE_NPE(portID); |
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441 | |
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442 | IX_ETH_DB_CHECK_FEATURE(portID, IX_ETH_DB_FILTERING); |
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443 | |
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444 | ixEthDBPortInfo[portID].updateMethod.updateEnabled = enableUpdate; |
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445 | ixEthDBPortInfo[portID].updateMethod.userControlled = TRUE; |
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446 | |
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447 | return IX_ETH_DB_SUCCESS; |
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448 | } |
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