1 | # -*- coding: utf-8 -*- |
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2 | """ |
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3 | ------------------------------------------------------------------------------ |
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4 | Mango 802.11 Reference Design Experiments Framework - Commands |
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5 | ------------------------------------------------------------------------------ |
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6 | License: Copyright 2019 Mango Communications, Inc. All rights reserved. |
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7 | Use and distribution subject to terms in LICENSE.txt |
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8 | ------------------------------------------------------------------------------ |
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9 | |
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10 | This module provides class definitions for all wlan_exp commands. |
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11 | |
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12 | """ |
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13 | |
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14 | import wlan_exp.transport.cmds as cmds |
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15 | import wlan_exp.transport.message as message |
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16 | import wlan_exp.transport.transport_eth_ip_udp as transport |
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17 | |
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18 | __all__ = [# Log command classes |
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19 | 'LogGetEvents', 'LogConfigure', 'LogGetStatus', 'LogGetCapacity', |
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20 | 'LogAddExpInfoEntry', |
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21 | # LTG classes |
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22 | 'LTGConfigure', 'LTGStart', 'LTGStop', 'LTGRemove', 'LTGStatus', |
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23 | # Node command classes |
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24 | 'NodeResetState', 'NodeConfigure', 'NodeProcWLANMACAddr', |
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25 | 'NodeProcTime', 'NodeSetLowToHighFilter', 'NodeProcRandomSeed', |
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26 | 'NodeLowParam', 'NodeProcTxPower', 'NodeProcTxRate', |
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27 | 'NodeProcTxAntMode', 'NodeProcRxAntMode', |
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28 | # Scan command classes |
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29 | 'NodeProcScanParam', 'NodeProcScan', |
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30 | # Association command classes |
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31 | 'NodeConfigBSS', 'NodeDisassociate', 'NodeGetStationInfoList', |
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32 | 'NodeGetNetworkInfo', |
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33 | # Queue command classes |
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34 | 'PurgeAllTxQueues', |
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35 | # AP command classes |
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36 | 'NodeAPConfigure', 'NodeAPAddAssociation', 'NodeAPSetAuthAddrFilter', |
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37 | # STA command classes |
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38 | 'NodeSTASetAID', 'NodeSTAJoin', 'NodeSTAJoinStatus', |
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39 | # IBSS command classes |
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40 | # None |
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41 | # User command classes |
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42 | 'UserSendCmd' |
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43 | ] |
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44 | |
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45 | |
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46 | # Command IDs |
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47 | # Each command is identified by a unique 24-bit integer ID |
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48 | # The IDs defined here must match the corresponding definitions in |
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49 | # wlan_exp_node.h |
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50 | CMDID_NODE_TYPE = 0x000000 |
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51 | CMDID_NODE_INFO = 0x000001 |
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52 | |
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53 | CMDID_NODE_RESET_STATE = 0x001000 |
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54 | CMDID_NODE_CONFIGURE = 0x001001 |
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55 | CMDID_NODE_CONFIG_BSS = 0x001002 |
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56 | CMDID_NODE_TIME = 0x001010 |
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57 | CMDID_NODE_CHANNEL = 0x001011 |
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58 | CMDID_NODE_TX_POWER = 0x001012 |
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59 | CMDID_NODE_TX_RATE = 0x001013 |
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60 | CMDID_NODE_TX_ANT_MODE = 0x001014 |
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61 | CMDID_NODE_RX_ANT_MODE = 0x001015 |
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62 | CMDID_NODE_LOW_TO_HIGH_FILTER = 0x001016 |
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63 | CMDID_NODE_RANDOM_SEED = 0x001017 |
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64 | CMDID_NODE_WLAN_MAC_ADDR = 0x001018 |
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65 | CMDID_NODE_LOW_PARAM = 0x001020 |
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66 | |
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67 | CMD_PARAM_WRITE = 0x00000000 |
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68 | CMD_PARAM_READ = 0x00000001 |
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69 | CMD_PARAM_RSVD = 0xFFFFFFFF |
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70 | |
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71 | CMD_PARAM_SUCCESS = 0x00000000 |
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72 | CMD_PARAM_WARNING = 0xF0000000 |
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73 | CMD_PARAM_ERROR = 0xFF000000 |
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74 | |
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75 | #Note: the following are used as bit masks on the node side |
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76 | CMD_PARAM_TXPARAM_DATA = 0x00000001 |
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77 | CMD_PARAM_TXPARAM_MGMT = 0x00000002 |
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78 | CMD_PARAM_TXPARAM_CTRL = 0x00000004 |
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79 | CMD_PARAM_TXPARAM_ALL = 0x00000007 |
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80 | |
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81 | CMD_PARAM_TXPARAM_ADDR_NONE = 0x00000000 |
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82 | CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST = 0x00000001 |
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83 | CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST = 0x00000002 |
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84 | CMD_PARAM_TXPARAM_ADDR_ALL = 0x00000003 |
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85 | CMD_PARAM_TXPARAM_ADDR_SINGLE = 0x00000004 |
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86 | |
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87 | CMD_PARAM_NODE_CONFIG_ALL = 0xFFFFFFFF |
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88 | |
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89 | CMD_PARAM_NODE_RESET_FLAG_LOG = 0x00000001 |
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90 | CMD_PARAM_NODE_RESET_FLAG_TXRX_COUNTS = 0x00000002 |
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91 | CMD_PARAM_NODE_RESET_FLAG_LTG = 0x00000004 |
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92 | CMD_PARAM_NODE_RESET_FLAG_TX_QUEUES = 0x00000008 |
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93 | CMD_PARAM_NODE_RESET_FLAG_BSS = 0x00000010 |
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94 | CMD_PARAM_NODE_RESET_FLAG_NETWORK_LIST = 0x00000020 |
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95 | CMD_PARAM_NODE_RESET_FLAG_STATION_INFO_LIST = 0x00000040 |
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96 | |
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97 | CMD_PARAM_NODE_CONFIG_FLAG_DSSS_ENABLE = 0x00000001 |
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98 | CMD_PARAM_NODE_CONFIG_FLAG_BEACON_TIME_UPDATE = 0x00000002 |
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99 | CMD_PARAM_NODE_CONFIG_FLAG_ETH_PORTAL = 0x00000004 |
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100 | CMD_PARAM_NODE_CONFIG_SET_WLAN_EXP_PRINT_LEVEL = 0x80000000 |
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101 | |
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102 | ERROR_CONFIG_BSS_BSSID_INVALID = 0x000001 |
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103 | ERROR_CONFIG_BSS_BSSID_INSUFFICIENT_ARGUMENTS = 0x000002 |
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104 | ERROR_CONFIG_BSS_CHANNEL_INVALID = 0x000004 |
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105 | ERROR_CONFIG_BSS_BEACON_INTERVAL_INVALID = 0x000008 |
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106 | ERROR_CONFIG_BSS_HT_CAPABLE_INVALID = 0x000010 |
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107 | ERROR_CONFIG_BSS_DTIM_PERIOD_INVALID = 0x000020 |
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108 | |
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109 | CMD_PARAM_TIME_ADD_TO_LOG = 0x00000002 |
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110 | CMD_PARAM_RSVD_TIME = 0xFFFFFFFF |
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111 | |
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112 | TIME_TYPE_FLOAT = 0x00000000 |
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113 | TIME_TYPE_INT = 0x00000001 |
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114 | |
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115 | CMD_PARAM_RSVD_MAC_ADDR = 0x00000000 |
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116 | |
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117 | CMD_PARAM_NODE_TX_POWER_LOW = 0x00000010 |
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118 | CMD_PARAM_NODE_TX_POWER_ALL = 0x00000020 |
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119 | |
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120 | CMD_PARAM_NODE_TX_ANT_ALL = 0x00000010 |
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121 | |
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122 | CMD_PARAM_RX_FILTER_FCS_GOOD = 0x1000 |
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123 | CMD_PARAM_RX_FILTER_FCS_ALL = 0x2000 |
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124 | CMD_PARAM_RX_FILTER_FCS_NOCHANGE = 0xF000 |
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125 | |
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126 | CMD_PARAM_RX_FILTER_HDR_ADDR_MATCH_MPDU = 0x0001 |
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127 | CMD_PARAM_RX_FILTER_HDR_ALL_MPDU = 0x0002 |
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128 | CMD_PARAM_RX_FILTER_HDR_ALL = 0x0003 |
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129 | CMD_PARAM_RX_FILTER_HDR_NOCHANGE = 0x0FFF |
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130 | |
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131 | CMD_PARAM_RANDOM_SEED_VALID = 0x00000001 |
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132 | CMD_PARAM_RANDOM_SEED_RSVD = 0xFFFFFFFF |
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133 | |
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134 | # Low Param IDs -- in sync with wlan_mac_low.h |
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135 | CMD_PARAM_LOW_PARAM_PKT_DET_MIN_POWER = 0x00000006 |
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136 | CMD_PARAM_LOW_PARAM_PHY_SAMPLE_RATE = 0x00000008 |
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137 | CMD_PARAM_LOW_PARAM_DSSS_PKT_DET_THRESH = 0x0000A000 |
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138 | CMD_PARAM_LOW_PARAM_OFDM_PKT_DET_THRESH = 0x0000B000 |
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139 | CMD_PARAM_LOW_PARAM_OFDM_RX_EN = 0x0000C000 |
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140 | |
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141 | CMD_PARAM_LOW_PARAM_DCF_RTS_THRESH = 0x10000001 |
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142 | CMD_PARAM_LOW_PARAM_DCF_DOT11SHORTRETRY = 0x10000002 |
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143 | CMD_PARAM_LOW_PARAM_DCF_DOT11LONGRETRY = 0x10000003 |
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144 | CMD_PARAM_LOW_PARAM_DCF_CW_EXP_MIN = 0x10000005 |
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145 | CMD_PARAM_LOW_PARAM_DCF_CW_EXP_MAX = 0x10000006 |
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146 | |
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147 | CMD_PARAM_NODE_MIN_MIN_PKT_DET_POWER_DBM = -90 |
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148 | CMD_PARAM_NODE_MAX_MIN_PKT_DET_POWER_DBM = -30 |
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149 | |
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150 | # LTG commands and defined values |
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151 | CMDID_LTG_CONFIG = 0x002000 |
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152 | CMDID_LTG_START = 0x002001 |
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153 | CMDID_LTG_STOP = 0x002002 |
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154 | CMDID_LTG_REMOVE = 0x002003 |
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155 | CMDID_LTG_STATUS = 0x002004 |
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156 | |
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157 | CMD_PARAM_LTG_ERROR = 0x000001 |
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158 | |
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159 | CMD_PARAM_LTG_ALL_LTGS = 0xFFFFFFFF |
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160 | |
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161 | CMD_PARAM_LTG_CONFIG_FLAG_AUTOSTART = 0x00000001 |
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162 | |
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163 | CMD_PARAM_LTG_RUNNING = 0x00000001 |
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164 | CMD_PARAM_LTG_STOPPED = 0x00000000 |
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165 | |
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166 | |
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167 | # Log commands and defined values |
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168 | CMDID_LOG_CONFIG = 0x003000 |
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169 | CMDID_LOG_GET_STATUS = 0x003001 |
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170 | CMDID_LOG_GET_CAPACITY = 0x003002 |
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171 | CMDID_LOG_GET_ENTRIES = 0x003003 |
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172 | CMDID_LOG_ADD_EXP_INFO_ENTRY = 0x003004 |
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173 | |
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174 | CMD_PARAM_LOG_GET_ALL_ENTRIES = 0xFFFFFFFF |
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175 | |
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176 | CMD_PARAM_LOG_CONFIG_FLAG_LOGGING = 0x00000001 |
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177 | CMD_PARAM_LOG_CONFIG_FLAG_WRAP = 0x00000002 |
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178 | CMD_PARAM_LOG_CONFIG_FLAG_LOG_PAYLOADS = 0x00000004 |
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179 | CMD_PARAM_LOG_CONFIG_FLAG_TXRX_MPDU = 0x00000008 |
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180 | CMD_PARAM_LOG_CONFIG_FLAG_TXRX_CTRL = 0x00000010 |
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181 | |
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182 | |
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183 | # Counts commands and defined values |
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184 | CMDID_COUNTS_GET_TXRX = 0x004001 |
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185 | |
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186 | CMD_PARAM_COUNTS_CONFIG_FLAG_PROMISC = 0x00000001 |
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187 | |
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188 | CMD_PARAM_COUNTS_RETURN_ZEROED_IF_NONE = 0x80000000 |
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189 | |
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190 | |
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191 | # Queue commands and defined values |
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192 | CMDID_PURGE_ALL_TX_QUEUES = 0x005000 |
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193 | |
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194 | |
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195 | # Scan commands and defined values |
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196 | CMDID_NODE_SCAN_PARAM = 0x006000 |
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197 | CMDID_NODE_SCAN = 0x006001 |
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198 | |
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199 | CMD_PARAM_NODE_SCAN_ENABLE = 0x00000001 |
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200 | CMD_PARAM_NODE_SCAN_DISABLE = 0x00000000 |
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201 | |
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202 | |
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203 | # Association commands and defined values |
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204 | CMDID_GET_BSS_MEMBERS = 0x007001 |
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205 | CMDID_GET_BSS_INFO = 0x007002 |
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206 | CMDID_GET_STATION_INFO_LIST = 0x007003 |
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207 | |
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208 | CMDID_NODE_DISASSOCIATE = 0x007010 |
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209 | CMDID_NODE_ADD_ASSOCIATION = 0x007011 |
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210 | ADD_ASSOCIATION_ERROR_MEMORY = 0x000001 |
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211 | ADD_ASSOCIATION_ERROR_TOO_MANY_ASSOC = 0x000002 |
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212 | |
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213 | CMD_PARAM_ADD_ASSOCIATION_DISABLE_INACTIVITY_TIMEOUT = 0x00000001 |
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214 | CMD_PARAM_ADD_ASSOCIATION_HT_CAPABLE_STA = 0x00000004 |
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215 | |
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216 | CMD_PARAM_GET_ALL_ASSOCIATED = 0x0000000000000000 |
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217 | CMD_PARAM_GET_ALL_LIST_ENTRIES = 0x0000000000000000 |
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218 | |
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219 | CMD_PARAM_MAX_SSID_LEN = 32 |
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220 | CMD_PARAM_RSVD_CHANNEL = 0 |
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221 | |
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222 | |
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223 | # AP commands and defined values |
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224 | CMDID_NODE_AP_CONFIG = 0x100000 |
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225 | CMDID_NODE_AP_SET_AUTHENTICATION_ADDR_FILTER = 0x100001 |
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226 | |
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227 | CMD_PARAM_AP_CONFIG_FLAG_DTIM_MULTICAST_BUFFER = 0x00000001 |
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228 | |
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229 | |
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230 | # STA commands and defined values |
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231 | CMDID_NODE_STA_JOIN = 0x100000 |
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232 | CMDID_NODE_STA_JOIN_STATUS = 0x100001 |
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233 | CMDID_NODE_STA_SET_AID = 0x100002 |
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234 | |
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235 | |
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236 | # IBSS commands and defined values |
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237 | |
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238 | |
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239 | # Developer commands and defined values |
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240 | CMDID_DEV_MEM_HIGH = 0xFFF000 |
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241 | CMDID_DEV_MEM_LOW = 0xFFF001 |
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242 | CMDID_DEV_EEPROM = 0xFFF002 |
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243 | |
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244 | |
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245 | # Local Constants |
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246 | _CMD_GROUP_NODE = (cmds.GROUP_NODE << 24) |
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247 | _CMD_GROUP_USER = (cmds.GROUP_USER << 24) |
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248 | |
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249 | |
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250 | #----------------------------------------------------------------------------- |
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251 | # Class Definitions for wlan_exp Commands |
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252 | #----------------------------------------------------------------------------- |
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253 | |
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254 | # TODO: move NODE_TYPE and NODE_INFO commands here when transport.node |
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255 | # is finally stripped down to the bare essentials. For now these commands |
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256 | # must be in transport.node to be accessed during node init, where the |
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257 | # WlanExpTransportNodeFactory subclasses transport.node, not wlan_exp.node |
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258 | |
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259 | #-------------------------------------------- |
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260 | # Log Commands |
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261 | #-------------------------------------------- |
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262 | class LogGetEvents(message.BufferCmd): |
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263 | """Command to retreive log data from a wlan_exp node""" |
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264 | def __init__(self, size, start_byte=0): |
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265 | command = _CMD_GROUP_NODE + CMDID_LOG_GET_ENTRIES |
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266 | |
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267 | if (size == CMD_PARAM_LOG_GET_ALL_ENTRIES): |
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268 | size = message.CMD_BUFFER_GET_SIZE_FROM_DATA |
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269 | |
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270 | super(LogGetEvents, self).__init__( |
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271 | command=command, start_byte=start_byte, size=size) |
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272 | |
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273 | def process_resp(self, resp): |
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274 | return resp |
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275 | |
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276 | # End Class |
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277 | |
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278 | |
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279 | class LogConfigure(message.Cmd): |
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280 | """Command to configure the Event log. |
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281 | |
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282 | Attributes (default state on the node is in CAPS): |
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283 | log_enable -- Enable the event log (TRUE/False) |
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284 | log_wrap_enable -- Enable event log wrapping (True/FALSE) |
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285 | log_full_payloads -- Record full Tx/Rx payloads in event log (True/FALSE) |
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286 | log_txrx_mpdu -- Enable Tx/Rx log entries for MPDU frames (TRUE/False) |
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287 | log_txrx_ctrl -- Enable Tx/Rx log entries for CTRL frames (TRUE/False) |
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288 | """ |
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289 | def __init__(self, log_enable=None, log_wrap_enable=None, |
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290 | log_full_payloads=None, log_txrx_mpdu=None, |
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291 | log_txrx_ctrl=None): |
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292 | super(LogConfigure, self).__init__() |
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293 | self.command = _CMD_GROUP_NODE + CMDID_LOG_CONFIG |
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294 | |
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295 | flags = 0 |
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296 | mask = 0 |
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297 | |
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298 | if log_enable is not None: |
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299 | mask += CMD_PARAM_LOG_CONFIG_FLAG_LOGGING |
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300 | if log_enable: |
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301 | flags += CMD_PARAM_LOG_CONFIG_FLAG_LOGGING |
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302 | |
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303 | if log_wrap_enable is not None: |
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304 | mask += CMD_PARAM_LOG_CONFIG_FLAG_WRAP |
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305 | if log_wrap_enable: |
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306 | flags += CMD_PARAM_LOG_CONFIG_FLAG_WRAP |
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307 | |
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308 | if log_full_payloads is not None: |
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309 | mask += CMD_PARAM_LOG_CONFIG_FLAG_LOG_PAYLOADS |
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310 | if log_full_payloads: |
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311 | flags += CMD_PARAM_LOG_CONFIG_FLAG_LOG_PAYLOADS |
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312 | |
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313 | if log_txrx_mpdu is not None: |
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314 | mask += CMD_PARAM_LOG_CONFIG_FLAG_TXRX_MPDU |
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315 | if log_txrx_mpdu: |
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316 | flags += CMD_PARAM_LOG_CONFIG_FLAG_TXRX_MPDU |
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317 | |
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318 | if log_txrx_ctrl is not None: |
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319 | mask += CMD_PARAM_LOG_CONFIG_FLAG_TXRX_CTRL |
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320 | if log_txrx_ctrl: |
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321 | flags += CMD_PARAM_LOG_CONFIG_FLAG_TXRX_CTRL |
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322 | |
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323 | self.add_args(flags) |
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324 | self.add_args(mask) |
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325 | |
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326 | def process_resp(self, resp): |
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327 | pass |
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328 | |
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329 | # End Class |
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330 | |
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331 | |
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332 | class LogGetStatus(message.Cmd): |
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333 | """Command to get the state information about the log.""" |
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334 | def __init__(self): |
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335 | super(LogGetStatus, self).__init__() |
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336 | self.command = _CMD_GROUP_NODE + CMDID_LOG_GET_STATUS |
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337 | |
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338 | def process_resp(self, resp): |
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339 | if resp.resp_is_valid(num_args=4): |
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340 | args = resp.get_args() |
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341 | return (args[0], args[1], args[2], args[3]) |
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342 | else: |
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343 | return (0,0,0,0) |
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344 | |
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345 | # End Class |
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346 | |
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347 | |
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348 | class LogGetCapacity(message.Cmd): |
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349 | """Command to get the log capacity and current use.""" |
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350 | def __init__(self): |
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351 | super(LogGetCapacity, self).__init__() |
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352 | self.command = _CMD_GROUP_NODE + CMDID_LOG_GET_CAPACITY |
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353 | |
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354 | def process_resp(self, resp): |
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355 | if resp.resp_is_valid(num_args=2): |
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356 | args = resp.get_args() |
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357 | return (args[0], args[1]) |
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358 | else: |
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359 | return (0,0) |
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360 | |
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361 | # End Class |
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362 | |
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363 | |
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364 | class LogAddExpInfoEntry(message.Cmd): |
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365 | """Command to write a EXP_INFO Log Entry to the node.""" |
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366 | def __init__(self, info_type, message): |
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367 | super(LogAddExpInfoEntry, self).__init__() |
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368 | self.command = _CMD_GROUP_NODE + CMDID_LOG_ADD_EXP_INFO_ENTRY |
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369 | |
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370 | # u32 Args: |
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371 | # 0: info_type (arbitrary value, writte to log) |
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372 | # 1: msg_len (length of payload message in bytes) |
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373 | |
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374 | self.add_args(info_type) |
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375 | |
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376 | if message is None: |
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377 | self.add_args(0) |
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378 | else: |
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379 | msg_len = len(message) |
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380 | if msg_len > 255: |
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381 | raise Exception('ERROR: EXP_INFO log entry message (len {0}) too long - 255 bytex max'.format(msg_len)) |
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382 | |
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383 | msg_bytes = bytearray(message, 'UTF-8') |
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384 | |
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385 | self.add_args(msg_len) |
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386 | self.set_payload(msg_bytes) |
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387 | |
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388 | def process_resp(self, resp): |
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389 | pass |
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390 | |
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391 | # End Class |
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392 | |
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393 | |
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394 | #-------------------------------------------- |
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395 | # Local Traffic Generation (LTG) Commands |
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396 | #-------------------------------------------- |
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397 | class LTGCommon(message.Cmd): |
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398 | """Common code for LTG Commands.""" |
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399 | name = None |
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400 | |
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401 | def __init__(self, ltg_id=None): |
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402 | super(LTGCommon, self).__init__() |
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403 | |
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404 | if ltg_id is not None: |
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405 | if type(ltg_id) is not int: |
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406 | raise TypeError("LTG ID must be an integer.") |
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407 | self.add_args(ltg_id) |
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408 | else: |
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409 | self.add_args(CMD_PARAM_LTG_ALL_LTGS) |
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410 | |
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411 | def process_resp(self, resp): |
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412 | error_code = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR |
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413 | error_msg = "Could not {0} the LTG with that LTG ID.".format(self.name) |
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414 | status_errors = { error_code : error_msg } |
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415 | |
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416 | if resp.resp_is_valid(num_args=1, |
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417 | status_errors=status_errors, |
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418 | name='for the LTG {0} command'.format(self.name)): |
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419 | args = resp.get_args() |
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420 | return args[0] |
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421 | else: |
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422 | return CMD_PARAM_ERROR |
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423 | |
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424 | # End Class |
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425 | |
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426 | |
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427 | class LTGConfigure(message.Cmd): |
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428 | """Command to configure an LTG with the given traffic flow to the |
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429 | specified node. |
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430 | """ |
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431 | name = 'configure' |
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432 | |
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433 | def __init__(self, traffic_flow, auto_start=False): |
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434 | super(LTGConfigure, self).__init__() |
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435 | self.command = _CMD_GROUP_NODE + CMDID_LTG_CONFIG |
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436 | |
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437 | flags = 0 |
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438 | |
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439 | if auto_start: |
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440 | flags += CMD_PARAM_LTG_CONFIG_FLAG_AUTOSTART |
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441 | |
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442 | # Args: |
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443 | # 0: flags |
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444 | # 1: LTG schedule type (unique value per LTG Schedule class) |
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445 | self.add_args(flags) |
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446 | self.add_args(traffic_flow.ltg_schedule.ltg_type) |
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447 | |
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448 | # Add the serialized LTG flow config as the command payload |
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449 | self.set_payload(bytearray(traffic_flow.serialize())) |
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450 | |
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451 | def process_resp(self, resp): |
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452 | error_code = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR |
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453 | error_msg = "\n\nERROR MESSAGE: Could not create the LTG. Check that the node \n" |
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454 | error_msg += "has enough heap available to perform this operation. Commonly, \n" |
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455 | error_msg += "this can occur if LTGs are not removed (ie 'ltg_remove(ltg_id)') \n" |
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456 | error_msg += "when they are finished being used.\n" |
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457 | status_errors = { error_code : error_msg } |
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458 | |
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459 | if resp.resp_is_valid(num_args=2, |
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460 | status_errors=status_errors, |
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461 | name='for the LTG {0} command'.format(self.name)): |
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462 | args = resp.get_args() |
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463 | return args[1] |
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464 | else: |
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465 | return CMD_PARAM_ERROR |
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466 | |
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467 | # End Class |
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468 | |
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469 | |
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470 | class LTGStart(LTGCommon): |
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471 | """Command to start an LTG. The LTG must have been previously configured. If no |
---|
472 | ltg_id is provided the node will start all LTG instances that are currently configured. |
---|
473 | """ |
---|
474 | name = 'start' |
---|
475 | |
---|
476 | def __init__(self, ltg_id=None): |
---|
477 | super(LTGStart, self).__init__(ltg_id) |
---|
478 | self.command = _CMD_GROUP_NODE + CMDID_LTG_START |
---|
479 | |
---|
480 | # End Class |
---|
481 | |
---|
482 | |
---|
483 | class LTGStop(LTGCommon): |
---|
484 | """Command to stop an LTG. The LTG must have been previously configured. If no |
---|
485 | ltg_id is provided the node will stop all LTG instances that are currently configured. |
---|
486 | """ |
---|
487 | name = 'stop' |
---|
488 | |
---|
489 | def __init__(self, ltg_id=None): |
---|
490 | super(LTGStop, self).__init__(ltg_id) |
---|
491 | self.command = _CMD_GROUP_NODE + CMDID_LTG_STOP |
---|
492 | |
---|
493 | # End Class |
---|
494 | |
---|
495 | |
---|
496 | class LTGRemove(LTGCommon): |
---|
497 | """Command to remove an LTG instance. If no ltg_id is provided the node will remove all |
---|
498 | LTG instances that are currently configured. |
---|
499 | """ |
---|
500 | name = 'remove' |
---|
501 | |
---|
502 | def __init__(self, ltg_id=None): |
---|
503 | super(LTGRemove, self).__init__(ltg_id) |
---|
504 | self.command = _CMD_GROUP_NODE + CMDID_LTG_REMOVE |
---|
505 | |
---|
506 | # End Class |
---|
507 | |
---|
508 | |
---|
509 | class LTGStatus(message.Cmd): |
---|
510 | """Command to get the status of the LTG.""" |
---|
511 | name = 'status' |
---|
512 | |
---|
513 | def __init__(self, ltg_id): |
---|
514 | super(LTGStatus, self).__init__() |
---|
515 | self.command = _CMD_GROUP_NODE + CMDID_LTG_STATUS |
---|
516 | |
---|
517 | if type(ltg_id) is not int: |
---|
518 | raise TypeError("LTG ID must be an integer.") |
---|
519 | self.add_args(ltg_id) |
---|
520 | |
---|
521 | def process_resp(self, resp): |
---|
522 | error_code = CMD_PARAM_ERROR + CMD_PARAM_LTG_ERROR |
---|
523 | error_msg = "\n\nERROR MESSAGE: Could not find status for given LTG ID.\n" |
---|
524 | error_msg += "Please check that it has not been removed." |
---|
525 | status_errors = { error_code : error_msg } |
---|
526 | |
---|
527 | if resp.resp_is_valid(num_args=6, |
---|
528 | status_errors=status_errors, |
---|
529 | name='for the LTG {0} command'.format(self.name)): |
---|
530 | args = resp.get_args() |
---|
531 | |
---|
532 | start_timestamp = (2**32 * args[3]) + args[2] |
---|
533 | stop_timestamp = (2**32 * args[5]) + args[4] |
---|
534 | |
---|
535 | return (True, (args[1] == CMD_PARAM_LTG_RUNNING), start_timestamp, stop_timestamp) |
---|
536 | else: |
---|
537 | return (False, False, 0, 0) |
---|
538 | |
---|
539 | # End Class |
---|
540 | |
---|
541 | |
---|
542 | |
---|
543 | #-------------------------------------------- |
---|
544 | # Configure Node Attribute Commands |
---|
545 | #-------------------------------------------- |
---|
546 | class NodeResetState(message.Cmd): |
---|
547 | """Command to reset the state of a portion of the node defined by the flags. |
---|
548 | |
---|
549 | Attributes: |
---|
550 | flags -- [0] NODE_RESET_LOG |
---|
551 | [1] NODE_RESET_TXRX_STATS |
---|
552 | [2] NODE_RESET_LTG |
---|
553 | [3] NODE_RESET_TX_DATA_QUEUE |
---|
554 | [4] NODE_RESET_FLAG_BSS |
---|
555 | [5] NODE_RESET_FLAG_NETWORK_LIST |
---|
556 | """ |
---|
557 | def __init__(self, flags): |
---|
558 | super(NodeResetState, self).__init__() |
---|
559 | self.command = _CMD_GROUP_NODE + CMDID_NODE_RESET_STATE |
---|
560 | self.add_args(flags) |
---|
561 | |
---|
562 | def process_resp(self, resp): |
---|
563 | pass |
---|
564 | |
---|
565 | # End Class |
---|
566 | |
---|
567 | |
---|
568 | class NodeConfigure(message.Cmd): |
---|
569 | """Command to configure flag parameters on the node |
---|
570 | |
---|
571 | Attributes: |
---|
572 | dsss_enable (bool) -- Whether DSSS packets are received. |
---|
573 | beacon_mac_time_update (bool) -- Whether MAC time is updated from beacons |
---|
574 | print_level (int) -- Controls verbosity of wlan_exp prints to the node's UART |
---|
575 | """ |
---|
576 | def __init__(self, dsss_enable=None, beacon_mac_time_update=None, portal_enable=None, print_level=None): |
---|
577 | super(NodeConfigure, self).__init__() |
---|
578 | self.command = _CMD_GROUP_NODE + CMDID_NODE_CONFIGURE |
---|
579 | |
---|
580 | flags = 0 |
---|
581 | mask = 0 |
---|
582 | level = 0 |
---|
583 | |
---|
584 | if dsss_enable is not None: |
---|
585 | mask += CMD_PARAM_NODE_CONFIG_FLAG_DSSS_ENABLE |
---|
586 | if dsss_enable: |
---|
587 | flags += CMD_PARAM_NODE_CONFIG_FLAG_DSSS_ENABLE |
---|
588 | |
---|
589 | if beacon_mac_time_update is not None: |
---|
590 | mask += CMD_PARAM_NODE_CONFIG_FLAG_BEACON_TIME_UPDATE |
---|
591 | if beacon_mac_time_update: |
---|
592 | flags += CMD_PARAM_NODE_CONFIG_FLAG_BEACON_TIME_UPDATE |
---|
593 | |
---|
594 | if portal_enable is not None: |
---|
595 | mask += CMD_PARAM_NODE_CONFIG_FLAG_ETH_PORTAL |
---|
596 | if portal_enable: |
---|
597 | flags += CMD_PARAM_NODE_CONFIG_FLAG_ETH_PORTAL |
---|
598 | |
---|
599 | if print_level is not None: |
---|
600 | if (type(print_level) is str): |
---|
601 | import wlan_exp.util as util |
---|
602 | level = CMD_PARAM_NODE_CONFIG_SET_WLAN_EXP_PRINT_LEVEL + util.phy_modes[print_level] |
---|
603 | else: |
---|
604 | level = CMD_PARAM_NODE_CONFIG_SET_WLAN_EXP_PRINT_LEVEL + print_level |
---|
605 | |
---|
606 | self.add_args(flags) |
---|
607 | self.add_args(mask) |
---|
608 | self.add_args(level) |
---|
609 | |
---|
610 | def process_resp(self, resp): |
---|
611 | pass |
---|
612 | |
---|
613 | # End Class |
---|
614 | |
---|
615 | |
---|
616 | class NodeProcWLANMACAddr(message.Cmd): |
---|
617 | """Command to get / set the WLAN MAC Address on the node. |
---|
618 | |
---|
619 | Attributes: |
---|
620 | cmd -- Sub-command to send over the command. Valid values are: |
---|
621 | CMD_PARAM_READ |
---|
622 | CMD_PARAM_WRITE |
---|
623 | wlan_mac_addr -- 48-bit MAC address to write (optional) |
---|
624 | """ |
---|
625 | def __init__(self, cmd, wlan_mac_address=None): |
---|
626 | super(NodeProcWLANMACAddr, self).__init__() |
---|
627 | self.command = _CMD_GROUP_NODE + CMDID_NODE_WLAN_MAC_ADDR |
---|
628 | |
---|
629 | if (cmd == CMD_PARAM_WRITE): |
---|
630 | self.add_args(cmd) |
---|
631 | _add_mac_address_to_cmd(self, wlan_mac_address) |
---|
632 | |
---|
633 | elif (cmd == CMD_PARAM_READ): |
---|
634 | self.add_args(cmd) |
---|
635 | |
---|
636 | else: |
---|
637 | msg = "Unsupported command: {0}".format(cmd) |
---|
638 | raise ValueError(msg) |
---|
639 | |
---|
640 | |
---|
641 | def process_resp(self, resp): |
---|
642 | error_code = CMD_PARAM_ERROR |
---|
643 | error_msg = "Could not get / set the WLAN MAC address on the node" |
---|
644 | status_errors = { error_code : error_msg } |
---|
645 | |
---|
646 | if resp.resp_is_valid(num_args=3, status_errors=status_errors, name='from the WLAN Mac Address command'): |
---|
647 | args = resp.get_args() |
---|
648 | addr = (2**32 * args[1]) + args[2] |
---|
649 | else: |
---|
650 | addr = None |
---|
651 | |
---|
652 | return addr |
---|
653 | |
---|
654 | # End Class |
---|
655 | |
---|
656 | |
---|
657 | class NodeProcTime(message.Cmd): |
---|
658 | """Command to get / set the time on the node. |
---|
659 | |
---|
660 | Attributes: |
---|
661 | cmd -- Sub-command to send over the command. Valid values are: |
---|
662 | CMD_PARAM_READ |
---|
663 | CMD_PARAM_WRITE |
---|
664 | TIME_ADD_TO_LOG |
---|
665 | node_time -- Time to set the on the node |
---|
666 | time_id -- ID to use identify the time command in the log. |
---|
667 | """ |
---|
668 | def __init__(self, cmd, node_time, time_id=None): |
---|
669 | super(NodeProcTime, self).__init__() |
---|
670 | self.command = _CMD_GROUP_NODE + CMDID_NODE_TIME |
---|
671 | |
---|
672 | # Read the time as int microseconds |
---|
673 | if (cmd == CMD_PARAM_READ): |
---|
674 | self.add_args(CMD_PARAM_READ) |
---|
675 | self.add_args(CMD_PARAM_RSVD_TIME) # Reads do not need a time_id |
---|
676 | self.add_args(CMD_PARAM_RSVD_TIME) |
---|
677 | self.add_args(CMD_PARAM_RSVD_TIME) |
---|
678 | self.add_args(CMD_PARAM_RSVD_TIME) |
---|
679 | self.add_args(CMD_PARAM_RSVD_TIME) |
---|
680 | |
---|
681 | # Write the time / Add time to log |
---|
682 | else: |
---|
683 | import time |
---|
684 | |
---|
685 | # Set the command |
---|
686 | if (cmd == CMD_PARAM_WRITE): |
---|
687 | self.add_args(CMD_PARAM_WRITE) |
---|
688 | else: |
---|
689 | self.add_args(CMD_PARAM_TIME_ADD_TO_LOG) |
---|
690 | node_time = None |
---|
691 | |
---|
692 | # By default set the time_id to a random number between [0, 2^32) |
---|
693 | if time_id is None: |
---|
694 | import random |
---|
695 | time_id = 2**32 * random.random() |
---|
696 | |
---|
697 | self.add_args(int(time_id)) |
---|
698 | |
---|
699 | # Add the time |
---|
700 | if node_time is not None: |
---|
701 | self.add_args((int(node_time) & 0xFFFFFFFF)) |
---|
702 | self.add_args(((int(node_time) >> 32) & 0xFFFFFFFF)) |
---|
703 | else: |
---|
704 | self.add_args(CMD_PARAM_RSVD_TIME) |
---|
705 | self.add_args(CMD_PARAM_RSVD_TIME) |
---|
706 | |
---|
707 | # Get the current time on the host |
---|
708 | # Convert to int microseconds |
---|
709 | hosttime = time.time() |
---|
710 | time_factor = 6 # Python time functions uses float seconds |
---|
711 | time_to_send = int(round(hosttime, time_factor) * (10**time_factor)) |
---|
712 | self.add_args((time_to_send & 0xFFFFFFFF)) |
---|
713 | self.add_args(((time_to_send >> 32) & 0xFFFFFFFF)) |
---|
714 | |
---|
715 | |
---|
716 | |
---|
717 | def process_resp(self, resp): |
---|
718 | error_code = CMD_PARAM_ERROR |
---|
719 | error_msg = "Could not get / set the time on the node" |
---|
720 | status_errors = { error_code : error_msg } |
---|
721 | |
---|
722 | if resp.resp_is_valid(num_args=5, status_errors=status_errors, name='from the Time command'): |
---|
723 | args = resp.get_args() |
---|
724 | mac_time = (2**32 * args[2]) + args[1] |
---|
725 | sys_time = (2**32 * args[4]) + args[3] |
---|
726 | else: |
---|
727 | mac_time = 0 |
---|
728 | sys_time = 0 |
---|
729 | |
---|
730 | return (mac_time, sys_time) |
---|
731 | |
---|
732 | # End Class |
---|
733 | |
---|
734 | |
---|
735 | class NodeSetLowToHighFilter(message.Cmd): |
---|
736 | """Command to set the low to high filter on the node. |
---|
737 | |
---|
738 | Attributes: |
---|
739 | mac_header -- MAC header filter. Values can be: |
---|
740 | 'MPDU_TO_ME' -- Pass any unicast-to-me or multicast data or |
---|
741 | management packet |
---|
742 | 'ALL_MPDU' -- Pass any data or management packet (no address filter) |
---|
743 | 'ALL' -- Pass any packet (no type or address filters) |
---|
744 | FCS -- FCS status filter. Values can be: |
---|
745 | 'GOOD' -- Pass only packets with good checksum result |
---|
746 | 'ALL' -- Pass packets with any checksum result |
---|
747 | """ |
---|
748 | def __init__(self, cmd, mac_header=None, fcs=None): |
---|
749 | super(NodeSetLowToHighFilter, self).__init__() |
---|
750 | self.command = _CMD_GROUP_NODE + CMDID_NODE_LOW_TO_HIGH_FILTER |
---|
751 | |
---|
752 | self.add_args(cmd) |
---|
753 | |
---|
754 | rx_filter = 0 |
---|
755 | |
---|
756 | if mac_header is None: |
---|
757 | rx_filter += CMD_PARAM_RX_FILTER_HDR_NOCHANGE |
---|
758 | else: |
---|
759 | mac_header = str(mac_header) |
---|
760 | mac_header.upper() |
---|
761 | |
---|
762 | if (mac_header == 'MPDU_TO_ME'): |
---|
763 | rx_filter += CMD_PARAM_RX_FILTER_HDR_ADDR_MATCH_MPDU |
---|
764 | elif (mac_header == 'ALL_MPDU'): |
---|
765 | rx_filter += CMD_PARAM_RX_FILTER_HDR_ALL_MPDU |
---|
766 | elif (mac_header == 'ALL'): |
---|
767 | rx_filter += CMD_PARAM_RX_FILTER_HDR_ALL |
---|
768 | else: |
---|
769 | msg = "WARNING: Not a valid mac_header value.\n" |
---|
770 | msg += " Provided: {0}\n".format(mac_header) |
---|
771 | msg += " Requires: ['MPDU_TO_ME', 'ALL_MPDU', 'ALL']" |
---|
772 | print(msg) |
---|
773 | rx_filter += CMD_PARAM_RX_FILTER_HDR_NOCHANGE |
---|
774 | |
---|
775 | if fcs is None: |
---|
776 | rx_filter += CMD_PARAM_RX_FILTER_FCS_NOCHANGE |
---|
777 | else: |
---|
778 | fcs = str(fcs) |
---|
779 | fcs.upper() |
---|
780 | |
---|
781 | if (fcs == 'GOOD'): |
---|
782 | rx_filter += CMD_PARAM_RX_FILTER_FCS_GOOD |
---|
783 | elif (fcs == 'ALL'): |
---|
784 | rx_filter += CMD_PARAM_RX_FILTER_FCS_ALL |
---|
785 | else: |
---|
786 | msg = "WARNING: Not a valid fcs value.\n" |
---|
787 | msg += " Provided: {0}\n".format(fcs) |
---|
788 | msg += " Requires: ['GOOD', 'ALL']" |
---|
789 | print(msg) |
---|
790 | rx_filter += CMD_PARAM_RX_FILTER_FCS_NOCHANGE |
---|
791 | |
---|
792 | self.add_args(rx_filter) |
---|
793 | |
---|
794 | |
---|
795 | def process_resp(self, resp): |
---|
796 | pass |
---|
797 | |
---|
798 | # End Class |
---|
799 | |
---|
800 | class NodeProcChannel(message.Cmd): |
---|
801 | """Command to get / set the channel of the node. |
---|
802 | |
---|
803 | Attributes: |
---|
804 | cmd -- Sub-command to send over the command. Valid values are: |
---|
805 | CMD_PARAM_READ |
---|
806 | CMD_PARAM_WRITE |
---|
807 | channel -- 802.11 Channel for the node. Should be a valid channel defined |
---|
808 | in wlan_exp.util wlan_channel table. |
---|
809 | """ |
---|
810 | channel = None |
---|
811 | |
---|
812 | def __init__(self, cmd, channel=None): |
---|
813 | super(NodeProcChannel, self).__init__() |
---|
814 | self.command = _CMD_GROUP_NODE + CMDID_NODE_CHANNEL |
---|
815 | |
---|
816 | self.add_args(cmd) |
---|
817 | |
---|
818 | if channel is not None: |
---|
819 | self.channel = _get_channel_number(channel) |
---|
820 | |
---|
821 | if self.channel is not None: |
---|
822 | self.add_args(self.channel) |
---|
823 | else: |
---|
824 | self.add_args(CMD_PARAM_RSVD_CHANNEL) |
---|
825 | |
---|
826 | |
---|
827 | def process_resp(self, resp): |
---|
828 | import wlan_exp.util as util |
---|
829 | error_code = CMD_PARAM_ERROR |
---|
830 | error_msg = "Could not get / set the channel on the node" |
---|
831 | status_errors = { error_code : error_msg } |
---|
832 | |
---|
833 | if resp.resp_is_valid(num_args=2, status_errors=status_errors, name='from the Channel command'): |
---|
834 | args = resp.get_args() |
---|
835 | if self.channel is not None: |
---|
836 | if (args[1] != self.channel): |
---|
837 | msg = "WARNING: Channel mismatch.\n" |
---|
838 | msg += " Tried to set channel to {0}\n".format(self.channel) |
---|
839 | msg += " Actually set channel to {0}\n".format(args[1]) |
---|
840 | print(msg) |
---|
841 | return util.get_channel_info(args[1]) |
---|
842 | else: |
---|
843 | return None |
---|
844 | |
---|
845 | # End Class |
---|
846 | |
---|
847 | class NodeProcRandomSeed(message.Cmd): |
---|
848 | """Command to set the random seed of the node. |
---|
849 | |
---|
850 | If a seed is not provided, then the seed is not updated. |
---|
851 | |
---|
852 | Attributes: |
---|
853 | cmd -- Sub-command to send over the command. Valid values are: |
---|
854 | CMD_PARAM_READ (Not supported) |
---|
855 | CMD_PARAM_WRITE |
---|
856 | high_seed -- Random number generator seed for CPU high |
---|
857 | low_seed -- Random number generator seed for CPU low |
---|
858 | |
---|
859 | import random |
---|
860 | high_seed = random.randint(0, 0xFFFFFFFF) |
---|
861 | """ |
---|
862 | def __init__(self, cmd, high_seed=None, low_seed=None): |
---|
863 | super(NodeProcRandomSeed, self).__init__() |
---|
864 | self.command = _CMD_GROUP_NODE + CMDID_NODE_RANDOM_SEED |
---|
865 | |
---|
866 | if (cmd == CMD_PARAM_READ): |
---|
867 | raise AttributeError("Read not supported for NodeProcRandomSeed.") |
---|
868 | |
---|
869 | self.add_args(CMD_PARAM_WRITE) |
---|
870 | |
---|
871 | if high_seed is not None: |
---|
872 | self.add_args(CMD_PARAM_RANDOM_SEED_VALID) |
---|
873 | self.add_args(high_seed) |
---|
874 | else: |
---|
875 | self.add_args(CMD_PARAM_RANDOM_SEED_RSVD) |
---|
876 | self.add_args(CMD_PARAM_RANDOM_SEED_RSVD) |
---|
877 | |
---|
878 | if low_seed is not None: |
---|
879 | self.add_args(CMD_PARAM_RANDOM_SEED_VALID) |
---|
880 | self.add_args(high_seed) |
---|
881 | else: |
---|
882 | self.add_args(CMD_PARAM_RANDOM_SEED_RSVD) |
---|
883 | self.add_args(CMD_PARAM_RANDOM_SEED_RSVD) |
---|
884 | |
---|
885 | def process_resp(self, resp): |
---|
886 | pass |
---|
887 | |
---|
888 | # End Class |
---|
889 | |
---|
890 | |
---|
891 | class NodeLowParam(message.Cmd): |
---|
892 | """Command to set parameter in CPU Low |
---|
893 | |
---|
894 | Attributes: |
---|
895 | cmd -- Sub-command to send over the command. Valid values are: |
---|
896 | CMD_PARAM_READ (Not supported) |
---|
897 | CMD_PARAM_WRITE |
---|
898 | param_id -- ID of parameter to modify |
---|
899 | param_values -- Scalar or list of u32 values to write |
---|
900 | |
---|
901 | """ |
---|
902 | def __init__(self, cmd, param_id, param_values=None): |
---|
903 | super(NodeLowParam, self).__init__() |
---|
904 | |
---|
905 | self.command = _CMD_GROUP_NODE + CMDID_NODE_LOW_PARAM |
---|
906 | |
---|
907 | if (cmd == CMD_PARAM_READ): |
---|
908 | raise AttributeError("Read not supported for NodeLowParam.") |
---|
909 | |
---|
910 | # Caluculate the size of the entire message to CPU Low [PARAM_ID, ARGS[]] |
---|
911 | size = 1 |
---|
912 | if param_values is not None: |
---|
913 | try: |
---|
914 | size += len(param_values) |
---|
915 | except TypeError: |
---|
916 | pass |
---|
917 | |
---|
918 | self.add_args(cmd) |
---|
919 | self.add_args(size) |
---|
920 | self.add_args(param_id) |
---|
921 | |
---|
922 | if param_values is not None: |
---|
923 | try: |
---|
924 | for v in param_values: |
---|
925 | self.add_args(v) |
---|
926 | except TypeError: |
---|
927 | self.add_args(param_values) |
---|
928 | |
---|
929 | def process_resp(self, resp): |
---|
930 | """ Message format: |
---|
931 | respArgs32[0] Status |
---|
932 | """ |
---|
933 | error_code_base = CMD_PARAM_ERROR |
---|
934 | error_code_cw_min = CMD_PARAM_ERROR + CMD_PARAM_LOW_PARAM_DCF_CW_EXP_MIN |
---|
935 | error_code_cw_max = CMD_PARAM_ERROR + CMD_PARAM_LOW_PARAM_DCF_CW_EXP_MAX |
---|
936 | |
---|
937 | status_errors = {error_code_base : "Error setting low parameter", |
---|
938 | error_code_cw_min : "Could not set minimum contention window", |
---|
939 | error_code_cw_max : "Could not set maximum contention window"} |
---|
940 | |
---|
941 | resp.resp_is_valid(num_args=1, status_errors=status_errors, name='from Low Param command') |
---|
942 | |
---|
943 | return None |
---|
944 | |
---|
945 | # End Class |
---|
946 | |
---|
947 | |
---|
948 | class NodeProcTxPower(message.Cmd): |
---|
949 | """Command to set the transmit power of the node. |
---|
950 | |
---|
951 | Attributes: |
---|
952 | cmd -- Sub-command to send over the command. Valid values are: |
---|
953 | CMD_PARAM_WRITE |
---|
954 | |
---|
955 | frame_type -- Valid values are: |
---|
956 | CMD_PARAM_TXPARAM_DATA |
---|
957 | CMD_PARAM_TXPARAM_MGMT |
---|
958 | CMD_PARAM_TXPARAM_CTRL |
---|
959 | CMD_PARAM_TXPARAM_ALL |
---|
960 | |
---|
961 | update_default_unicast -- Valid values are: |
---|
962 | 0 |
---|
963 | 1 |
---|
964 | |
---|
965 | update_default_multicast -- Valid values are: |
---|
966 | 0 |
---|
967 | 1 |
---|
968 | |
---|
969 | power -- Tuple: |
---|
970 | Transmit power (in dBm) |
---|
971 | Maximum transmit power supported by node (in dBm) |
---|
972 | Minimum transmit power supported by node (in dBm) |
---|
973 | |
---|
974 | addr_sel -- Valid values are: |
---|
975 | CMD_PARAM_TXPARAM_ADDR_NONE |
---|
976 | CMD_PARAM_TXPARAM_ADDR_ALL |
---|
977 | CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST |
---|
978 | CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST |
---|
979 | |
---|
980 | device -- 802.11 device for which the rate is being set. |
---|
981 | """ |
---|
982 | max_tx_power = None |
---|
983 | min_tx_power = None |
---|
984 | |
---|
985 | def __init__(self, cmd, frame_type, update_default_unicast, update_default_multicast, power, addr_sel, device=None): |
---|
986 | super(NodeProcTxPower, self).__init__() |
---|
987 | self.command = _CMD_GROUP_NODE + CMDID_NODE_TX_POWER |
---|
988 | mac_address = None |
---|
989 | |
---|
990 | self.add_args(cmd) |
---|
991 | |
---|
992 | self.add_args(self.check_frame_type(frame_type)) |
---|
993 | |
---|
994 | self.add_args(self.check_update_default(update_default_unicast)) |
---|
995 | |
---|
996 | self.add_args(self.check_update_default(update_default_multicast)) |
---|
997 | |
---|
998 | # Get max/min power |
---|
999 | self.max_tx_power = power[1] |
---|
1000 | self.min_tx_power = power[2] |
---|
1001 | self.add_args(self.check_power(power)) |
---|
1002 | |
---|
1003 | self.add_args(self.check_addr_sel(addr_sel)) |
---|
1004 | |
---|
1005 | if device is not None: |
---|
1006 | mac_address = device.wlan_mac_address |
---|
1007 | |
---|
1008 | _add_mac_address_to_cmd(self, mac_address) |
---|
1009 | |
---|
1010 | |
---|
1011 | def check_frame_type(self, frame_type): |
---|
1012 | """Check if frame_type value is valid.""" |
---|
1013 | return_type = None |
---|
1014 | valid_types = [('CMD_PARAM_TXPARAM_DATA', CMD_PARAM_TXPARAM_DATA), |
---|
1015 | ('CMD_PARAM_TXPARAM_MGMT', CMD_PARAM_TXPARAM_MGMT), |
---|
1016 | ('CMD_PARAM_TXPARAM_CTRL', CMD_PARAM_TXPARAM_CTRL), |
---|
1017 | ('CMD_PARAM_TXPARAM_ALL', CMD_PARAM_TXPARAM_ALL)] |
---|
1018 | |
---|
1019 | for tmp_type in valid_types: |
---|
1020 | if (frame_type == tmp_type[1]): |
---|
1021 | return_type = frame_type |
---|
1022 | break |
---|
1023 | |
---|
1024 | if return_type is not None: |
---|
1025 | return return_type |
---|
1026 | else: |
---|
1027 | msg = "The type must be one of: [" |
---|
1028 | for tmp_type in valid_types: |
---|
1029 | msg += "{0} ".format(tmp_type[0]) |
---|
1030 | msg += "]" |
---|
1031 | raise ValueError(msg) |
---|
1032 | |
---|
1033 | def check_update_default(self, update_default): |
---|
1034 | """Check if update_default is valid.""" |
---|
1035 | return_type = None |
---|
1036 | |
---|
1037 | if (update_default == 0) or (update_default == 1): |
---|
1038 | return_type = update_default |
---|
1039 | |
---|
1040 | if return_type is not None: |
---|
1041 | return return_type |
---|
1042 | else: |
---|
1043 | msg = "update_default must be 0 or 1" |
---|
1044 | raise ValueError(msg) |
---|
1045 | |
---|
1046 | def check_addr_sel(self, addr_sel): |
---|
1047 | """Check if addr_sel value is valid.""" |
---|
1048 | return_type = None |
---|
1049 | valid_types = [('CMD_PARAM_TXPARAM_ADDR_NONE', CMD_PARAM_TXPARAM_ADDR_NONE), |
---|
1050 | ('CMD_PARAM_TXPARAM_ADDR_ALL', CMD_PARAM_TXPARAM_ADDR_ALL), |
---|
1051 | ('CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST', CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST), |
---|
1052 | ('CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST', CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST), |
---|
1053 | ('CMD_PARAM_TXPARAM_ADDR_SINGLE', CMD_PARAM_TXPARAM_ADDR_SINGLE)] |
---|
1054 | |
---|
1055 | for tmp_type in valid_types: |
---|
1056 | if (addr_sel == tmp_type[1]): |
---|
1057 | return_type = addr_sel |
---|
1058 | break |
---|
1059 | |
---|
1060 | if return_type is not None: |
---|
1061 | return return_type |
---|
1062 | else: |
---|
1063 | msg = "The type must be one of: [" |
---|
1064 | for tmp_type in valid_types: |
---|
1065 | msg += "{0} ".format(tmp_type[0]) |
---|
1066 | msg += "]" |
---|
1067 | raise ValueError(msg) |
---|
1068 | |
---|
1069 | def check_power(self, power): |
---|
1070 | """Return a valid power (in dBm) from the power tuple.""" |
---|
1071 | if power is None: |
---|
1072 | raise ValueError("Must supply value to set Tx power.") |
---|
1073 | |
---|
1074 | ret_val = power[0] |
---|
1075 | |
---|
1076 | if (power[0] > power[1]): |
---|
1077 | msg = "WARNING: Requested power too high.\n" |
---|
1078 | msg += " Adjusting transmit power from {0} to {1}".format(power[0], power[1]) |
---|
1079 | print(msg) |
---|
1080 | ret_val = power[1] |
---|
1081 | |
---|
1082 | if (power[0] < power[2]): |
---|
1083 | msg = "WARNING: Requested power too low. \n" |
---|
1084 | msg += " Adjusting transmit power from {0} to {1}".format(power[0], power[2]) |
---|
1085 | print(msg) |
---|
1086 | ret_val = power[2] |
---|
1087 | |
---|
1088 | # Shift the value so that there are only positive integers over the wire |
---|
1089 | return (ret_val - power[2]) |
---|
1090 | |
---|
1091 | |
---|
1092 | def process_resp(self, resp): |
---|
1093 | error_code = CMD_PARAM_ERROR |
---|
1094 | error_msg = "Could not get / set the transmit power on the node" |
---|
1095 | status_errors = { error_code : error_msg } |
---|
1096 | |
---|
1097 | if resp.resp_is_valid(num_args=1, status_errors=status_errors, name='from Tx power command'): |
---|
1098 | return None |
---|
1099 | else: |
---|
1100 | return None |
---|
1101 | |
---|
1102 | # End Class |
---|
1103 | |
---|
1104 | |
---|
1105 | class NodeProcTxRate(message.Cmd): |
---|
1106 | """Command to the transmit power of the node. |
---|
1107 | |
---|
1108 | Attributes: |
---|
1109 | cmd -- Sub-command to send over the command. Valid values are: |
---|
1110 | CMD_PARAM_WRITE |
---|
1111 | |
---|
1112 | frame_type -- Valid values are: |
---|
1113 | CMD_PARAM_TXPARAM_DATA |
---|
1114 | CMD_PARAM_TXPARAM_MGMT |
---|
1115 | CMD_PARAM_TXPARAM_CTRL |
---|
1116 | CMD_PARAM_TXPARAM_ALL |
---|
1117 | |
---|
1118 | update_default_unicast -- Valid values are: |
---|
1119 | 0 |
---|
1120 | 1 |
---|
1121 | |
---|
1122 | update_default_multicast -- Valid values are: |
---|
1123 | 0 |
---|
1124 | 1 |
---|
1125 | |
---|
1126 | rate -- Tuple: |
---|
1127 | mcs |
---|
1128 | phy_mode |
---|
1129 | |
---|
1130 | addr_sel -- Valid values are: |
---|
1131 | CMD_PARAM_TXPARAM_ADDR_NONE |
---|
1132 | CMD_PARAM_TXPARAM_ADDR_ALL |
---|
1133 | CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST |
---|
1134 | CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST |
---|
1135 | |
---|
1136 | device -- 802.11 device for which the rate is being set. |
---|
1137 | """ |
---|
1138 | max_tx_power = None |
---|
1139 | min_tx_power = None |
---|
1140 | |
---|
1141 | def __init__(self, cmd, frame_type, update_default_unicast, update_default_multicast, rate, addr_sel, device=None): |
---|
1142 | super(NodeProcTxRate, self).__init__() |
---|
1143 | self.command = _CMD_GROUP_NODE + CMDID_NODE_TX_RATE |
---|
1144 | mac_address = None |
---|
1145 | |
---|
1146 | self.add_args(cmd) |
---|
1147 | |
---|
1148 | self.add_args(self.check_frame_type(frame_type)) |
---|
1149 | |
---|
1150 | self.add_args(self.check_update_default(update_default_unicast)) |
---|
1151 | |
---|
1152 | self.add_args(self.check_update_default(update_default_multicast)) |
---|
1153 | |
---|
1154 | if (rate is not None): |
---|
1155 | mcs = rate[0] |
---|
1156 | phy_mode = rate[1] |
---|
1157 | |
---|
1158 | if (mcs is not None): |
---|
1159 | self.add_args(mcs) |
---|
1160 | else: |
---|
1161 | self.add_args(0) |
---|
1162 | |
---|
1163 | if (phy_mode is not None): |
---|
1164 | if (type(phy_mode) is str): |
---|
1165 | import wlan_exp.util as util |
---|
1166 | self.add_args(util.phy_modes[phy_mode]) |
---|
1167 | else: |
---|
1168 | self.add_args(phy_mode) |
---|
1169 | else: |
---|
1170 | self.add_args(0) |
---|
1171 | |
---|
1172 | self.add_args(self.check_addr_sel(addr_sel)) |
---|
1173 | |
---|
1174 | if device is not None: |
---|
1175 | mac_address = device.wlan_mac_address |
---|
1176 | |
---|
1177 | _add_mac_address_to_cmd(self, mac_address) |
---|
1178 | |
---|
1179 | |
---|
1180 | def check_frame_type(self, frame_type): |
---|
1181 | """Check if frame_type value is valid.""" |
---|
1182 | return_type = None |
---|
1183 | valid_types = [('CMD_PARAM_TXPARAM_DATA', CMD_PARAM_TXPARAM_DATA), |
---|
1184 | ('CMD_PARAM_TXPARAM_MGMT', CMD_PARAM_TXPARAM_MGMT), |
---|
1185 | ('CMD_PARAM_TXPARAM_CTRL', CMD_PARAM_TXPARAM_CTRL), |
---|
1186 | ('CMD_PARAM_TXPARAM_ALL', CMD_PARAM_TXPARAM_ALL)] |
---|
1187 | |
---|
1188 | for tmp_type in valid_types: |
---|
1189 | if (frame_type == tmp_type[1]): |
---|
1190 | return_type = frame_type |
---|
1191 | break |
---|
1192 | |
---|
1193 | if return_type is not None: |
---|
1194 | return return_type |
---|
1195 | else: |
---|
1196 | msg = "The type must be one of: [" |
---|
1197 | for tmp_type in valid_types: |
---|
1198 | msg += "{0} ".format(tmp_type[0]) |
---|
1199 | msg += "]" |
---|
1200 | raise ValueError(msg) |
---|
1201 | |
---|
1202 | def check_update_default(self, update_default): |
---|
1203 | """Check if update_default is valid.""" |
---|
1204 | return_type = None |
---|
1205 | |
---|
1206 | if (update_default == 0) or (update_default == 1): |
---|
1207 | return_type = update_default |
---|
1208 | |
---|
1209 | if return_type is not None: |
---|
1210 | return return_type |
---|
1211 | else: |
---|
1212 | msg = "update_default must be 0 or 1" |
---|
1213 | raise ValueError(msg) |
---|
1214 | |
---|
1215 | def check_addr_sel(self, addr_sel): |
---|
1216 | """Check if addr_sel value is valid.""" |
---|
1217 | return_type = None |
---|
1218 | valid_types = [('CMD_PARAM_TXPARAM_ADDR_NONE', CMD_PARAM_TXPARAM_ADDR_NONE), |
---|
1219 | ('CMD_PARAM_TXPARAM_ADDR_ALL', CMD_PARAM_TXPARAM_ADDR_ALL), |
---|
1220 | ('CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST', CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST), |
---|
1221 | ('CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST', CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST), |
---|
1222 | ('CMD_PARAM_TXPARAM_ADDR_SINGLE', CMD_PARAM_TXPARAM_ADDR_SINGLE)] |
---|
1223 | |
---|
1224 | for tmp_type in valid_types: |
---|
1225 | if (addr_sel == tmp_type[1]): |
---|
1226 | return_type = addr_sel |
---|
1227 | break |
---|
1228 | |
---|
1229 | if return_type is not None: |
---|
1230 | return return_type |
---|
1231 | else: |
---|
1232 | msg = "The type must be one of: [" |
---|
1233 | for tmp_type in valid_types: |
---|
1234 | msg += "{0} ".format(tmp_type[0]) |
---|
1235 | msg += "]" |
---|
1236 | raise ValueError(msg) |
---|
1237 | |
---|
1238 | def process_resp(self, resp): |
---|
1239 | error_code = CMD_PARAM_ERROR |
---|
1240 | error_msg = "Could not get / set the transmit power on the node" |
---|
1241 | status_errors = { error_code : error_msg } |
---|
1242 | |
---|
1243 | if resp.resp_is_valid(num_args=1, status_errors=status_errors, name='from Tx power command'): |
---|
1244 | return None |
---|
1245 | else: |
---|
1246 | return None |
---|
1247 | |
---|
1248 | # End Class |
---|
1249 | |
---|
1250 | |
---|
1251 | class NodeProcTxAntMode(message.Cmd): |
---|
1252 | """Command to set the transmit antenna mode of the node. |
---|
1253 | |
---|
1254 | Attributes: |
---|
1255 | cmd -- Sub-command to send over the command. Valid values are: |
---|
1256 | CMD_PARAM_WRITE |
---|
1257 | |
---|
1258 | frame_type -- Valid values are: |
---|
1259 | CMD_PARAM_TXPARAM_DATA |
---|
1260 | CMD_PARAM_TXPARAM_MGMT |
---|
1261 | CMD_PARAM_TXPARAM_CTRL |
---|
1262 | CMD_PARAM_TXPARAM_ALL |
---|
1263 | |
---|
1264 | update_default_unicast -- Valid values are: |
---|
1265 | 0 |
---|
1266 | 1 |
---|
1267 | |
---|
1268 | update_default_multicast -- Valid values are: |
---|
1269 | 0 |
---|
1270 | 1 |
---|
1271 | |
---|
1272 | ant_mode -- Transmit antenna mode for the node |
---|
1273 | |
---|
1274 | addr_sel -- Valid values are: |
---|
1275 | CMD_PARAM_TXPARAM_ADDR_NONE |
---|
1276 | CMD_PARAM_TXPARAM_ADDR_ALL |
---|
1277 | CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST |
---|
1278 | CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST |
---|
1279 | |
---|
1280 | device -- 802.11 device for which the rate is being set. |
---|
1281 | """ |
---|
1282 | max_tx_power = None |
---|
1283 | min_tx_power = None |
---|
1284 | |
---|
1285 | def __init__(self, cmd, frame_type, update_default_unicast, update_default_multicast, ant_mode, addr_sel, device=None): |
---|
1286 | super(NodeProcTxAntMode, self).__init__() |
---|
1287 | self.command = _CMD_GROUP_NODE + CMDID_NODE_TX_ANT_MODE |
---|
1288 | mac_address = None |
---|
1289 | |
---|
1290 | self.add_args(cmd) |
---|
1291 | |
---|
1292 | self.add_args(self.check_frame_type(frame_type)) |
---|
1293 | |
---|
1294 | self.add_args(self.check_update_default(update_default_unicast)) |
---|
1295 | |
---|
1296 | self.add_args(self.check_update_default(update_default_multicast)) |
---|
1297 | |
---|
1298 | if ant_mode is not None: |
---|
1299 | self.add_args(self.check_ant_mode(ant_mode)) |
---|
1300 | else: |
---|
1301 | self.add_args(0) |
---|
1302 | |
---|
1303 | self.add_args(self.check_addr_sel(addr_sel)) |
---|
1304 | |
---|
1305 | if device is not None: |
---|
1306 | mac_address = device.wlan_mac_address |
---|
1307 | |
---|
1308 | _add_mac_address_to_cmd(self, mac_address) |
---|
1309 | |
---|
1310 | |
---|
1311 | def check_frame_type(self, frame_type): |
---|
1312 | """Check if frame_type value is valid.""" |
---|
1313 | return_type = None |
---|
1314 | valid_types = [('CMD_PARAM_TXPARAM_DATA', CMD_PARAM_TXPARAM_DATA), |
---|
1315 | ('CMD_PARAM_TXPARAM_MGMT', CMD_PARAM_TXPARAM_MGMT), |
---|
1316 | ('CMD_PARAM_TXPARAM_CTRL', CMD_PARAM_TXPARAM_CTRL), |
---|
1317 | ('CMD_PARAM_TXPARAM_ALL', CMD_PARAM_TXPARAM_ALL)] |
---|
1318 | |
---|
1319 | for tmp_type in valid_types: |
---|
1320 | if (frame_type == tmp_type[1]): |
---|
1321 | return_type = frame_type |
---|
1322 | break |
---|
1323 | |
---|
1324 | if return_type is not None: |
---|
1325 | return return_type |
---|
1326 | else: |
---|
1327 | msg = "The type must be one of: [" |
---|
1328 | for tmp_type in valid_types: |
---|
1329 | msg += "{0} ".format(tmp_type[0]) |
---|
1330 | msg += "]" |
---|
1331 | raise ValueError(msg) |
---|
1332 | |
---|
1333 | def check_update_default(self, update_default): |
---|
1334 | """Check if update_default is valid.""" |
---|
1335 | return_type = None |
---|
1336 | |
---|
1337 | if (update_default == 0) or (update_default == 1): |
---|
1338 | return_type = update_default |
---|
1339 | |
---|
1340 | if return_type is not None: |
---|
1341 | return return_type |
---|
1342 | else: |
---|
1343 | msg = "update_default must be 0 or 1" |
---|
1344 | raise ValueError(msg) |
---|
1345 | |
---|
1346 | def check_addr_sel(self, addr_sel): |
---|
1347 | """Check if addr_sel value is valid.""" |
---|
1348 | return_type = None |
---|
1349 | valid_types = [('CMD_PARAM_TXPARAM_ADDR_NONE', CMD_PARAM_TXPARAM_ADDR_NONE), |
---|
1350 | ('CMD_PARAM_TXPARAM_ADDR_ALL', CMD_PARAM_TXPARAM_ADDR_ALL), |
---|
1351 | ('CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST', CMD_PARAM_TXPARAM_ADDR_ALL_UNICAST), |
---|
1352 | ('CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST', CMD_PARAM_TXPARAM_ADDR_ALL_MULTICAST), |
---|
1353 | ('CMD_PARAM_TXPARAM_ADDR_SINGLE', CMD_PARAM_TXPARAM_ADDR_SINGLE)] |
---|
1354 | |
---|
1355 | for tmp_type in valid_types: |
---|
1356 | if (addr_sel == tmp_type[1]): |
---|
1357 | return_type = addr_sel |
---|
1358 | break |
---|
1359 | |
---|
1360 | if return_type is not None: |
---|
1361 | return return_type |
---|
1362 | else: |
---|
1363 | msg = "The type must be one of: [" |
---|
1364 | for tmp_type in valid_types: |
---|
1365 | msg += "{0} ".format(tmp_type[0]) |
---|
1366 | msg += "]" |
---|
1367 | raise ValueError(msg) |
---|
1368 | |
---|
1369 | def check_ant_mode(self, ant_mode): |
---|
1370 | """Check the antenna mode to see if it is valid.""" |
---|
1371 | import wlan_exp.util as util |
---|
1372 | try: |
---|
1373 | return util.wlan_tx_ant_modes[ant_mode] |
---|
1374 | except KeyError: |
---|
1375 | msg = "The antenna mode must be one of: " |
---|
1376 | for k in sorted(util.wlan_tx_ant_modes.keys()): |
---|
1377 | msg += "'{0}' ".format(k) |
---|
1378 | raise ValueError(msg) |
---|
1379 | |
---|
1380 | |
---|
1381 | def process_resp(self, resp): |
---|
1382 | error_code = CMD_PARAM_ERROR |
---|
1383 | error_msg = "Could not get / set the transmit power on the node" |
---|
1384 | status_errors = { error_code : error_msg } |
---|
1385 | |
---|
1386 | if resp.resp_is_valid(num_args=1, status_errors=status_errors, name='from Tx power command'): |
---|
1387 | return None |
---|
1388 | else: |
---|
1389 | return None |
---|
1390 | |
---|
1391 | # End Class |
---|
1392 | |
---|
1393 | |
---|
1394 | class NodeProcRxAntMode(message.Cmd): |
---|
1395 | """Command to get / set the receive antenna mode of the node. |
---|
1396 | |
---|
1397 | Attributes: |
---|
1398 | cmd -- Sub-command to send over the command. Valid values are: |
---|
1399 | CMD_PARAM_READ |
---|
1400 | CMD_PARAM_WRITE |
---|
1401 | ant_mode -- Receive antenna mode for the node. Checking is |
---|
1402 | done both in the command and on the node. The current |
---|
1403 | antenna mode will be returned by the node. |
---|
1404 | """ |
---|
1405 | def __init__(self, cmd, ant_mode=None): |
---|
1406 | super(NodeProcRxAntMode, self).__init__() |
---|
1407 | self.command = _CMD_GROUP_NODE + CMDID_NODE_RX_ANT_MODE |
---|
1408 | |
---|
1409 | self.add_args(cmd) |
---|
1410 | if ant_mode is not None: |
---|
1411 | self.add_args(self.check_ant_mode(ant_mode)) |
---|
1412 | else: |
---|
1413 | self.add_args(CMD_PARAM_NODE_CONFIG_ALL) |
---|
1414 | |
---|
1415 | |
---|
1416 | def check_ant_mode(self, ant_mode): |
---|
1417 | """Check the antenna mode to see if it is valid.""" |
---|
1418 | import wlan_exp.util as util |
---|
1419 | try: |
---|
1420 | return util.wlan_rx_ant_modes[ant_mode] |
---|
1421 | except KeyError: |
---|
1422 | msg = "The antenna mode must be one of: " |
---|
1423 | for k in sorted(util.wlan_rx_ant_modes.keys()): |
---|
1424 | msg += "'{0}' ".format(k) |
---|
1425 | raise ValueError(msg) |
---|
1426 | |
---|
1427 | def process_resp(self, resp): |
---|
1428 | import wlan_exp.util as util |
---|
1429 | |
---|
1430 | error_code = CMD_PARAM_ERROR |
---|
1431 | error_msg = "Could get / set receive antenna mode of the node" |
---|
1432 | status_errors = { error_code : error_msg } |
---|
1433 | |
---|
1434 | if resp.resp_is_valid(num_args=2, status_errors=status_errors, name='from Rx antenna mode command'): |
---|
1435 | args = resp.get_args() |
---|
1436 | |
---|
1437 | ant_mode = [k for k, v in util.wlan_rx_ant_modes.items() if v == args[1]] |
---|
1438 | |
---|
1439 | if ant_mode: |
---|
1440 | return ant_mode[0] |
---|
1441 | else: |
---|
1442 | msg = "Invalid antenna mode returned by node: {0}\n".format(args[1]) |
---|
1443 | raise ValueError(msg) |
---|
1444 | else: |
---|
1445 | return CMD_PARAM_ERROR |
---|
1446 | |
---|
1447 | # End Class |
---|
1448 | |
---|
1449 | |
---|
1450 | |
---|
1451 | #-------------------------------------------- |
---|
1452 | # Scan Commands |
---|
1453 | #-------------------------------------------- |
---|
1454 | class NodeProcScanParam(message.Cmd): |
---|
1455 | """Command to configure the scan parameters |
---|
1456 | |
---|
1457 | Attributes: |
---|
1458 | cmd -- Command for Process Scan Param: |
---|
1459 | CMD_PARAM_WRITE |
---|
1460 | time_per_channel -- Time (in float sec) to spend on each channel (optional) |
---|
1461 | num_probe_tx_per_channel -- Time (in float sec) to wait between each probe transmission (optional) |
---|
1462 | channel_list -- List of channels to scan (optional) |
---|
1463 | ssid -- SSID (optional) |
---|
1464 | """ |
---|
1465 | time_type = None |
---|
1466 | |
---|
1467 | def __init__(self, cmd, time_per_channel=None, num_probe_tx_per_channel=None, channel_list=None, ssid=None): |
---|
1468 | super(NodeProcScanParam, self).__init__() |
---|
1469 | self.command = _CMD_GROUP_NODE + CMDID_NODE_SCAN_PARAM |
---|
1470 | |
---|
1471 | if (cmd == CMD_PARAM_WRITE): |
---|
1472 | self.add_args(cmd) |
---|
1473 | |
---|
1474 | # Add the time_per_channel to the command |
---|
1475 | #_add_time_to_cmd32(self, time_per_channel) |
---|
1476 | |
---|
1477 | if time_per_channel is not None: |
---|
1478 | # Convert to int microseconds |
---|
1479 | # time_per_channel is forced to float in set_scan_parameters |
---|
1480 | time_factor = 6 # Python time functions uses float seconds |
---|
1481 | time_to_send = int(round(time_per_channel, time_factor) * (10**time_factor)) |
---|
1482 | |
---|
1483 | if (time_to_send > 0xFFFFFFFF): |
---|
1484 | time_to_send = 0xFFFFFFFF |
---|
1485 | print("WARNING: Time value (in microseconds) exceeds 32-bits. Saturating to 0xFFFFFFFF.\n") |
---|
1486 | |
---|
1487 | self.add_args((time_to_send & 0xFFFFFFFF)) |
---|
1488 | else: |
---|
1489 | self.add_args(CMD_PARAM_RSVD_TIME) |
---|
1490 | |
---|
1491 | |
---|
1492 | # Add num_probe_tx_per_channel to the command |
---|
1493 | if num_probe_tx_per_channel is not None: |
---|
1494 | self.add_args(num_probe_tx_per_channel) |
---|
1495 | else: |
---|
1496 | self.add_args(CMD_PARAM_RSVD) |
---|
1497 | |
---|
1498 | # Format the channel list |
---|
1499 | if channel_list is not None: |
---|
1500 | self.add_args(len(channel_list)) |
---|
1501 | |
---|
1502 | for channel in channel_list: |
---|
1503 | self.add_channel(channel) |
---|
1504 | else: |
---|
1505 | self.add_args(CMD_PARAM_RSVD) |
---|
1506 | |
---|
1507 | # Add SSID |
---|
1508 | # - SSID should be added last to the command so that the corresponding |
---|
1509 | # C code does not have to compute the index of the next argument |
---|
1510 | # after the SSID |
---|
1511 | if ssid is not None: |
---|
1512 | _add_ssid_to_cmd(self, ssid) |
---|
1513 | else: |
---|
1514 | self.add_args(CMD_PARAM_RSVD) |
---|
1515 | |
---|
1516 | else: |
---|
1517 | msg = "Unsupported command: {0}".format(cmd) |
---|
1518 | raise ValueError(msg) |
---|
1519 | |
---|
1520 | |
---|
1521 | def add_channel(self, channel): |
---|
1522 | """Internal method to add a channel""" |
---|
1523 | import wlan_exp.util as util |
---|
1524 | |
---|
1525 | if channel not in util.wlan_channels: |
---|
1526 | msg = "Unknown channel: {0}".format(channel) |
---|
1527 | raise ValueError(msg) |
---|
1528 | |
---|
1529 | self.add_args(channel) |
---|
1530 | |
---|
1531 | |
---|
1532 | def process_resp(self, resp): |
---|
1533 | error_code = CMD_PARAM_ERROR |
---|
1534 | error_msg = "Could not set scan parameters." |
---|
1535 | status_errors = { error_code : error_msg } |
---|
1536 | |
---|
1537 | if (resp.resp_is_valid(num_args=1, status_errors=status_errors, name='from Scan parameter command')): |
---|
1538 | return True |
---|
1539 | else: |
---|
1540 | return False |
---|
1541 | |
---|
1542 | # End Class |
---|
1543 | |
---|
1544 | |
---|
1545 | class NodeProcScan(message.Cmd): |
---|
1546 | """Command to enable / disable active scan |
---|
1547 | |
---|
1548 | Attributes: |
---|
1549 | enable -- Enabling (True) or disabling (False) active scan |
---|
1550 | """ |
---|
1551 | def __init__(self, enable=None): |
---|
1552 | super(NodeProcScan, self).__init__() |
---|
1553 | self.command = _CMD_GROUP_NODE + CMDID_NODE_SCAN |
---|
1554 | |
---|
1555 | if enable is None: |
---|
1556 | self.add_args(CMD_PARAM_RSVD) |
---|
1557 | else: |
---|
1558 | if enable: |
---|
1559 | self.add_args(CMD_PARAM_NODE_SCAN_ENABLE) |
---|
1560 | else: |
---|
1561 | self.add_args(CMD_PARAM_NODE_SCAN_DISABLE) |
---|
1562 | |
---|
1563 | def process_resp(self, resp): |
---|
1564 | ret_val = False |
---|
1565 | |
---|
1566 | if (resp.resp_is_valid(num_args=2, name='from Scan command')): |
---|
1567 | args = resp.get_args() |
---|
1568 | status = args[0] |
---|
1569 | |
---|
1570 | # Check status |
---|
1571 | if (status & CMD_PARAM_ERROR): |
---|
1572 | msg = "ERROR: Could not start scan:\n" |
---|
1573 | msg += " Node BSS must be None. Use conifgure_bss(None) before\n" |
---|
1574 | msg += " starting scan.\n" |
---|
1575 | print(msg) |
---|
1576 | ret_val = False |
---|
1577 | else: |
---|
1578 | if (args[1] == 1): |
---|
1579 | ret_val = True |
---|
1580 | else: |
---|
1581 | ret_val = False |
---|
1582 | |
---|
1583 | return ret_val |
---|
1584 | |
---|
1585 | # End Class |
---|
1586 | |
---|
1587 | |
---|
1588 | |
---|
1589 | #-------------------------------------------- |
---|
1590 | # Association Commands |
---|
1591 | #-------------------------------------------- |
---|
1592 | class NodeConfigBSS(message.Cmd): |
---|
1593 | """Command to configure the BSS on the node. |
---|
1594 | |
---|
1595 | Command assumes all parameters are appropriately validated and processed. |
---|
1596 | |
---|
1597 | Attributes: |
---|
1598 | bssid (int): 48-bit ID of the BSS either as a integer; A value of |
---|
1599 | None will remove current BSS on the node (similar to node.reset(bss=True)); |
---|
1600 | A value of False will not update the current bssid. |
---|
1601 | ssid (str): SSID string (Must be 32 characters or less); A value of |
---|
1602 | None will not update the current SSID. |
---|
1603 | channel (int): Channel on which the BSS operates; A value of None will |
---|
1604 | not update the current channel. |
---|
1605 | beacon_interval (int): Integer number of beacon Time Units in [1, 65534] |
---|
1606 | (http://en.wikipedia.org/wiki/TU_(Time_Unit); a TU is 1024 microseconds); |
---|
1607 | A value of None will disable beacons; A value of False will not |
---|
1608 | update the current beacon interval. |
---|
1609 | dtim_period (int): Integer number of beacon intervals between DTIMs |
---|
1610 | ht_capable (bool): TBD. A value of None will not update the current |
---|
1611 | value of HT capable. |
---|
1612 | """ |
---|
1613 | bssid = None |
---|
1614 | ssid = None |
---|
1615 | channel = None |
---|
1616 | beacon_interval = None |
---|
1617 | dtim_period = None |
---|
1618 | ht_capable = None |
---|
1619 | |
---|
1620 | |
---|
1621 | def __init__(self, bssid=False, ssid=None, channel=None, beacon_interval=False, dtim_period=None, ht_capable=None): |
---|
1622 | super(NodeConfigBSS, self).__init__() |
---|
1623 | self.command = _CMD_GROUP_NODE + CMDID_NODE_CONFIG_BSS |
---|
1624 | |
---|
1625 | import wlan_exp.info as info |
---|
1626 | |
---|
1627 | # Create BSS Config struct |
---|
1628 | bss_config_update = info.BSSConfigUpdate(bssid=bssid, ssid=ssid, channel=channel, |
---|
1629 | beacon_interval=beacon_interval, |
---|
1630 | dtim_period=dtim_period, |
---|
1631 | ht_capable=ht_capable) |
---|
1632 | |
---|
1633 | # Set local variables for error messages |
---|
1634 | self.bssid = bssid |
---|
1635 | self.ssid = ssid |
---|
1636 | self.channel = channel |
---|
1637 | self.beacon_interval = beacon_interval |
---|
1638 | self.dtim_period = dtim_period |
---|
1639 | self.ht_capable = ht_capable |
---|
1640 | |
---|
1641 | # Convert BSSConfigUpdate() to bytes for transfer over-the-wire |
---|
1642 | cmd_payload = bytearray(bss_config_update.serialize()) |
---|
1643 | |
---|
1644 | # Add the raw struct bytes to the command |
---|
1645 | self.set_payload(cmd_payload) |
---|
1646 | |
---|
1647 | def process_resp(self, resp): |
---|
1648 | # Check number of arguments |
---|
1649 | if (resp.resp_is_valid(num_args=1, name='from config BSS command')): |
---|
1650 | # All error checking is done by the individual implementations |
---|
1651 | return resp.get_args() |
---|
1652 | else: |
---|
1653 | return False |
---|
1654 | |
---|
1655 | # End Class |
---|
1656 | |
---|
1657 | |
---|
1658 | class NodeDisassociate(message.Cmd): |
---|
1659 | """Command to remove associations from the association table.""" |
---|
1660 | description = None |
---|
1661 | |
---|
1662 | def __init__(self, device=None): |
---|
1663 | super(NodeDisassociate, self).__init__() |
---|
1664 | self.command = _CMD_GROUP_NODE + CMDID_NODE_DISASSOCIATE |
---|
1665 | |
---|
1666 | if device is not None: |
---|
1667 | self.description = device.description |
---|
1668 | mac_address = device.wlan_mac_address |
---|
1669 | else: |
---|
1670 | self.description = "All nodes" |
---|
1671 | mac_address = CMD_PARAM_GET_ALL_ASSOCIATED |
---|
1672 | |
---|
1673 | _add_mac_address_to_cmd(self, mac_address) |
---|
1674 | |
---|
1675 | |
---|
1676 | def process_resp(self, resp): |
---|
1677 | error_code = CMD_PARAM_ERROR |
---|
1678 | error_msg = "Could not disassociate from {0}.".format(self.description) |
---|
1679 | status_errors = { error_code : error_msg } |
---|
1680 | |
---|
1681 | resp.resp_is_valid(num_args=1, status_errors=status_errors, |
---|
1682 | name='from Disassociate command') |
---|
1683 | |
---|
1684 | # End Class |
---|
1685 | |
---|
1686 | |
---|
1687 | class NodeGetBSSMembers(message.BufferCmd): |
---|
1688 | """Command to get BSS Members.""" |
---|
1689 | def __init__(self, node=None): |
---|
1690 | super(NodeGetBSSMembers, self).__init__() |
---|
1691 | self.command = _CMD_GROUP_NODE + CMDID_GET_BSS_MEMBERS |
---|
1692 | self.timestamp_in_hdr = True |
---|
1693 | |
---|
1694 | mac_address = CMD_PARAM_GET_ALL_ASSOCIATED |
---|
1695 | |
---|
1696 | _add_mac_address_to_cmd(self, mac_address) |
---|
1697 | |
---|
1698 | |
---|
1699 | def process_resp(self, resp): |
---|
1700 | # Contains a Buffer of all station infos. Need to convert to a list |
---|
1701 | # of StationInfo() |
---|
1702 | import wlan_exp.info as info |
---|
1703 | |
---|
1704 | index = 0 |
---|
1705 | data = resp.get_bytes() |
---|
1706 | ret_val = info.deserialize_info_buffer(data[index:], "StationInfo()") |
---|
1707 | |
---|
1708 | # Copy the buffer's retrieval timestamp (extracted from the list_retrieval_header) |
---|
1709 | # into each station_info dictionary |
---|
1710 | for si in ret_val: |
---|
1711 | si['retrieval_timestamp'] = resp.retrieval_timestamp |
---|
1712 | |
---|
1713 | return ret_val |
---|
1714 | |
---|
1715 | # End Class |
---|
1716 | |
---|
1717 | class NodeGetStationInfoList(message.BufferCmd): |
---|
1718 | """Command to get list of all Station Infos.""" |
---|
1719 | def __init__(self, mac_addr=None): |
---|
1720 | super(NodeGetStationInfoList, self).__init__() |
---|
1721 | self.command = _CMD_GROUP_NODE + CMDID_GET_STATION_INFO_LIST |
---|
1722 | self.timestamp_in_hdr = True |
---|
1723 | |
---|
1724 | if mac_addr: |
---|
1725 | _add_mac_address_to_cmd(self, mac_addr) |
---|
1726 | else: |
---|
1727 | _add_mac_address_to_cmd(self, CMD_PARAM_GET_ALL_LIST_ENTRIES) |
---|
1728 | |
---|
1729 | |
---|
1730 | def process_resp(self, resp): |
---|
1731 | # Contains a Buffer of all station infos. Need to convert to a list |
---|
1732 | # of StationInfo() |
---|
1733 | import wlan_exp.info as info |
---|
1734 | |
---|
1735 | index = 0 |
---|
1736 | data = resp.get_bytes() |
---|
1737 | ret_val = info.deserialize_info_buffer(data[index:], "StationInfo()") |
---|
1738 | |
---|
1739 | # Copy the buffer's retrieval timestamp (extracted from the list_retrieval_header) |
---|
1740 | # into each station_info dictionary |
---|
1741 | for si in ret_val: |
---|
1742 | si['retrieval_timestamp'] = resp.retrieval_timestamp |
---|
1743 | |
---|
1744 | return ret_val |
---|
1745 | |
---|
1746 | # End Class |
---|
1747 | |
---|
1748 | class NodeGetNetworkInfo(message.BufferCmd): |
---|
1749 | """Command to get the Network info for a given BSS ID.""" |
---|
1750 | def __init__(self, bssid=None): |
---|
1751 | super(NodeGetNetworkInfo, self).__init__() |
---|
1752 | self.command = _CMD_GROUP_NODE + CMDID_GET_BSS_INFO |
---|
1753 | self.timestamp_in_hdr = True |
---|
1754 | |
---|
1755 | if bssid is None: |
---|
1756 | self.add_args(CMD_PARAM_RSVD) |
---|
1757 | self.add_args(CMD_PARAM_RSVD) |
---|
1758 | else: |
---|
1759 | if type(bssid) is str: |
---|
1760 | bssid = CMD_PARAM_GET_ALL_ASSOCIATED # If BSSID is a string, then get all bss info |
---|
1761 | |
---|
1762 | _add_mac_address_to_cmd(self, bssid) |
---|
1763 | |
---|
1764 | |
---|
1765 | def process_resp(self, resp): |
---|
1766 | # Contains a Buffer of all Network infos. Need to convert to a list of NetworkInfo() |
---|
1767 | import wlan_exp.info as info |
---|
1768 | |
---|
1769 | index = 0 |
---|
1770 | data = resp.get_bytes() |
---|
1771 | ret_val = info.deserialize_info_buffer(data[index:], "NetworkInfo()") |
---|
1772 | |
---|
1773 | # Copy the buffer's retrieval timestamp (extracted from the list_retrieval_header) |
---|
1774 | # into each network_info dictionary |
---|
1775 | for ni in ret_val: |
---|
1776 | ni['retrieval_timestamp'] = resp.retrieval_timestamp |
---|
1777 | |
---|
1778 | return ret_val |
---|
1779 | |
---|
1780 | # End Class |
---|
1781 | |
---|
1782 | |
---|
1783 | |
---|
1784 | #-------------------------------------------- |
---|
1785 | # Queue Commands |
---|
1786 | #-------------------------------------------- |
---|
1787 | class PurgeAllTxQueues(message.Cmd): |
---|
1788 | """Command to purge all data transmit queues on the node.""" |
---|
1789 | def __init__(self): |
---|
1790 | super(PurgeAllTxQueues, self).__init__() |
---|
1791 | self.command = _CMD_GROUP_NODE + CMDID_PURGE_ALL_TX_QUEUES |
---|
1792 | |
---|
1793 | def process_resp(self, resp): |
---|
1794 | pass |
---|
1795 | |
---|
1796 | # End Class |
---|
1797 | |
---|
1798 | |
---|
1799 | |
---|
1800 | #-------------------------------------------- |
---|
1801 | # AP Specific Commands |
---|
1802 | #-------------------------------------------- |
---|
1803 | class NodeAPConfigure(message.Cmd): |
---|
1804 | """Command to configure the AP. |
---|
1805 | |
---|
1806 | Attributes (default state on the node is in CAPS): |
---|
1807 | dtim_multicast_buffering -- Enable DTIM multicast buffering (TRUE/False) |
---|
1808 | """ |
---|
1809 | def __init__(self, dtim_multicast_buffering=None): |
---|
1810 | super(NodeAPConfigure, self).__init__() |
---|
1811 | self.command = _CMD_GROUP_NODE + CMDID_NODE_AP_CONFIG |
---|
1812 | |
---|
1813 | flags = 0 |
---|
1814 | mask = 0 |
---|
1815 | |
---|
1816 | if dtim_multicast_buffering is not None: |
---|
1817 | mask += CMD_PARAM_AP_CONFIG_FLAG_DTIM_MULTICAST_BUFFER |
---|
1818 | if dtim_multicast_buffering: |
---|
1819 | flags += CMD_PARAM_AP_CONFIG_FLAG_DTIM_MULTICAST_BUFFER |
---|
1820 | |
---|
1821 | self.add_args(flags) |
---|
1822 | self.add_args(mask) |
---|
1823 | |
---|
1824 | def process_resp(self, resp): |
---|
1825 | pass |
---|
1826 | |
---|
1827 | # End Class |
---|
1828 | |
---|
1829 | |
---|
1830 | class NodeAPAddAssociation(message.Cmd): |
---|
1831 | """Command to add station to the association table on the AP. |
---|
1832 | |
---|
1833 | Attributes: |
---|
1834 | device -- Device to add to the association table |
---|
1835 | disable_timeout -- Disable the AP's inactivity check for this STA |
---|
1836 | """ |
---|
1837 | description = None |
---|
1838 | |
---|
1839 | def __init__(self, device, disable_timeout=None): |
---|
1840 | super(NodeAPAddAssociation, self).__init__() |
---|
1841 | self.command = _CMD_GROUP_NODE + CMDID_NODE_ADD_ASSOCIATION |
---|
1842 | |
---|
1843 | flags = 0 |
---|
1844 | mask = 0 |
---|
1845 | |
---|
1846 | if disable_timeout is not None: |
---|
1847 | mask += CMD_PARAM_ADD_ASSOCIATION_DISABLE_INACTIVITY_TIMEOUT |
---|
1848 | if disable_timeout: |
---|
1849 | flags += CMD_PARAM_ADD_ASSOCIATION_DISABLE_INACTIVITY_TIMEOUT |
---|
1850 | |
---|
1851 | # Set the station_info ht_capable flag based on the device's ht_capable attribute |
---|
1852 | mask += CMD_PARAM_ADD_ASSOCIATION_HT_CAPABLE_STA |
---|
1853 | if device.ht_capable: |
---|
1854 | flags += CMD_PARAM_ADD_ASSOCIATION_HT_CAPABLE_STA |
---|
1855 | |
---|
1856 | self.add_args(flags) |
---|
1857 | self.add_args(mask) |
---|
1858 | |
---|
1859 | self.description = device.description |
---|
1860 | mac_address = device.wlan_mac_address |
---|
1861 | |
---|
1862 | _add_mac_address_to_cmd(self, mac_address) |
---|
1863 | |
---|
1864 | |
---|
1865 | def process_resp(self, resp): |
---|
1866 | error_code = CMD_PARAM_ERROR |
---|
1867 | error_msg = "Could not add {0} to AP association table. ".format(self.description) |
---|
1868 | |
---|
1869 | args = resp.get_args() |
---|
1870 | if (len(args) == 2): |
---|
1871 | if(args[1] == ADD_ASSOCIATION_ERROR_TOO_MANY_ASSOC): |
---|
1872 | error_msg += "AP has too many associations." |
---|
1873 | elif(args[1] == ADD_ASSOCIATION_ERROR_MEMORY): |
---|
1874 | error_msg += "AP has insufficient memory." |
---|
1875 | |
---|
1876 | status_errors = { error_code : error_msg } |
---|
1877 | |
---|
1878 | if (resp.resp_is_valid(num_args=2, status_errors=status_errors, |
---|
1879 | name='from AP associate command')): |
---|
1880 | args = resp.get_args() |
---|
1881 | return args[1] |
---|
1882 | else: |
---|
1883 | return CMD_PARAM_ERROR |
---|
1884 | |
---|
1885 | # End Class |
---|
1886 | |
---|
1887 | |
---|
1888 | class NodeAPSetAuthAddrFilter(message.Cmd): |
---|
1889 | """Command to set the authentication address filter on the node. |
---|
1890 | |
---|
1891 | Attributes: |
---|
1892 | allow -- List of (address, mask) tuples that will be used to filter addresses |
---|
1893 | on the node. |
---|
1894 | |
---|
1895 | For the mask, bits that are 0 are treated as "any" and bits that are 1 are |
---|
1896 | treated as "must equal". For the address, locations of one bits in the mask |
---|
1897 | must match the incoming addresses to pass the filter. |
---|
1898 | """ |
---|
1899 | def __init__(self, allow): |
---|
1900 | super(NodeAPSetAuthAddrFilter, self).__init__() |
---|
1901 | self.command = _CMD_GROUP_NODE + CMDID_NODE_AP_SET_AUTHENTICATION_ADDR_FILTER |
---|
1902 | |
---|
1903 | length = len(allow) |
---|
1904 | |
---|
1905 | if (length > 50): |
---|
1906 | msg = "Currently, the wlan_exp framework does not support more than " |
---|
1907 | msg += "50 address ranges in the association address filter." |
---|
1908 | raise AttributeError(msg) |
---|
1909 | |
---|
1910 | self.add_args(CMD_PARAM_WRITE) |
---|
1911 | self.add_args(length) |
---|
1912 | |
---|
1913 | for addr_range in allow: |
---|
1914 | self.add_args(((addr_range[0] >> 32) & 0xFFFF)) |
---|
1915 | self.add_args((addr_range[0] & 0xFFFFFFFF)) |
---|
1916 | self.add_args(((addr_range[1] >> 32) & 0xFFFF)) |
---|
1917 | self.add_args((addr_range[1] & 0xFFFFFFFF)) |
---|
1918 | |
---|
1919 | |
---|
1920 | def process_resp(self, resp): |
---|
1921 | error_code = CMD_PARAM_ERROR |
---|
1922 | error_msg = "Could not set authentication address filter on the node." |
---|
1923 | status_errors = { error_code : error_msg } |
---|
1924 | |
---|
1925 | resp.resp_is_valid(num_args=1, status_errors=status_errors, |
---|
1926 | name='from AP set association address filter command') |
---|
1927 | |
---|
1928 | # End Class |
---|
1929 | |
---|
1930 | |
---|
1931 | |
---|
1932 | #-------------------------------------------- |
---|
1933 | # STA Specific Commands |
---|
1934 | #-------------------------------------------- |
---|
1935 | class NodeSTASetAID(message.Cmd): |
---|
1936 | """Command to get the AID of the node""" |
---|
1937 | def __init__(self, aid): |
---|
1938 | super(NodeSTASetAID, self).__init__() |
---|
1939 | self.command = _CMD_GROUP_NODE + CMDID_NODE_STA_SET_AID |
---|
1940 | |
---|
1941 | if ((aid < 1) or (aid > 255)): |
---|
1942 | raise AttributeError("AID value must be in [1, 255].") |
---|
1943 | |
---|
1944 | self.add_args(aid) |
---|
1945 | |
---|
1946 | |
---|
1947 | def process_resp(self, resp): |
---|
1948 | error_code = CMD_PARAM_ERROR |
---|
1949 | error_msg = "Could not set the AID of node." |
---|
1950 | status_errors = { error_code : error_msg } |
---|
1951 | |
---|
1952 | if (resp.resp_is_valid(num_args=1, status_errors=status_errors, name='from set AID command')): |
---|
1953 | return True |
---|
1954 | else: |
---|
1955 | return False |
---|
1956 | |
---|
1957 | # End Class |
---|
1958 | |
---|
1959 | |
---|
1960 | class NodeSTAJoin(message.Cmd): |
---|
1961 | """Command to join a given BSS. The resulting behavior of the STA depends on which arguments |
---|
1962 | are proived. |
---|
1963 | |
---|
1964 | If only an SSID is provided the STA will start its scanning state machine to search for a BSS |
---|
1965 | with a matching SSID and will attempt to join the first matching network. |
---|
1966 | |
---|
1967 | If BSSID, SSID and channel are all provided the STA will immediately attempt joining the specified |
---|
1968 | BSS without performing a scan. |
---|
1969 | |
---|
1970 | Attributes: |
---|
1971 | ssid -- SSID of BSS to join. If value is None, then this will |
---|
1972 | stop the join process |
---|
1973 | bssid -- (optional) BSSID of the BSS to join |
---|
1974 | channel -- (optional) Channel of BSS to join |
---|
1975 | """ |
---|
1976 | def __init__(self, ssid, bssid=None, channel=None): |
---|
1977 | super(NodeSTAJoin, self).__init__() |
---|
1978 | self.command = _CMD_GROUP_NODE + CMDID_NODE_STA_JOIN |
---|
1979 | |
---|
1980 | # Add BSSID |
---|
1981 | # - Command assumes that this is a valid bssid |
---|
1982 | if bssid is None: |
---|
1983 | bssid = None |
---|
1984 | else: |
---|
1985 | # Check that a channel is specified |
---|
1986 | if channel is None: |
---|
1987 | raise AttributeError("Join must specify both BSSID and channel if either BSSID or channel is specified.") |
---|
1988 | |
---|
1989 | _add_mac_address_to_cmd(self, bssid) |
---|
1990 | |
---|
1991 | # Add Channel |
---|
1992 | # - Command assumes that this is a valid channel |
---|
1993 | if channel is None: |
---|
1994 | channel = 0 |
---|
1995 | else: |
---|
1996 | # Check that a bssid is specified |
---|
1997 | if bssid is None: |
---|
1998 | raise AttributeError("Join must specify both BSSID and channel if either BSSID or channel is specified.") |
---|
1999 | |
---|
2000 | self.add_args(channel) |
---|
2001 | |
---|
2002 | # Add SSID |
---|
2003 | # - SSID should be added last to the command so that the corresponding |
---|
2004 | # C code does not have to compute the index of the next argument |
---|
2005 | # after the SSID |
---|
2006 | if ssid is None: |
---|
2007 | self.add_args(CMD_PARAM_RSVD) |
---|
2008 | else: |
---|
2009 | _add_ssid_to_cmd(self, ssid) |
---|
2010 | |
---|
2011 | |
---|
2012 | def process_resp(self, resp): |
---|
2013 | error_code = CMD_PARAM_ERROR |
---|
2014 | error_msg = "Could not join the network." |
---|
2015 | status_errors = { error_code : error_msg } |
---|
2016 | |
---|
2017 | if (resp.resp_is_valid(num_args=1, status_errors=status_errors, name='from Join command')): |
---|
2018 | return True |
---|
2019 | else: |
---|
2020 | return False |
---|
2021 | |
---|
2022 | # End Class |
---|
2023 | |
---|
2024 | |
---|
2025 | class NodeSTAJoinStatus(message.Cmd): |
---|
2026 | """Command to get the join status of the node""" |
---|
2027 | def __init__(self): |
---|
2028 | super(NodeSTAJoinStatus, self).__init__() |
---|
2029 | self.command = _CMD_GROUP_NODE + CMDID_NODE_STA_JOIN_STATUS |
---|
2030 | |
---|
2031 | |
---|
2032 | def process_resp(self, resp): |
---|
2033 | error_code = CMD_PARAM_ERROR |
---|
2034 | error_msg = "Could not get join status of node." |
---|
2035 | status_errors = { error_code : error_msg } |
---|
2036 | |
---|
2037 | if (resp.resp_is_valid(num_args=2, status_errors=status_errors, name='from Join Status command')): |
---|
2038 | args = resp.get_args() |
---|
2039 | if (args[1] == 1): |
---|
2040 | return True |
---|
2041 | else: |
---|
2042 | return False |
---|
2043 | else: |
---|
2044 | return False |
---|
2045 | |
---|
2046 | # End Class |
---|
2047 | |
---|
2048 | |
---|
2049 | |
---|
2050 | #-------------------------------------------- |
---|
2051 | # IBSS Specific Commands |
---|
2052 | #-------------------------------------------- |
---|
2053 | |
---|
2054 | |
---|
2055 | |
---|
2056 | #-------------------------------------------- |
---|
2057 | # Memory Access Commands - For developer use only |
---|
2058 | #-------------------------------------------- |
---|
2059 | class NodeMemAccess(message.Cmd): |
---|
2060 | """Command to read/write memory in CPU High / CPU Low |
---|
2061 | |
---|
2062 | Attributes: |
---|
2063 | cmd -- Sub-command to send over the command. Valid values are: |
---|
2064 | CMD_PARAM_READ |
---|
2065 | CMD_PARAM_WRITE |
---|
2066 | high -- True for CPU_High access, False for CPU_Low |
---|
2067 | |
---|
2068 | address -- u32 memory address to read/write |
---|
2069 | |
---|
2070 | values -- When cmd==CMD_PARAM_WRITE, scalar or list of u32 values to write |
---|
2071 | When cmd==CMD_PARAM_READ, None |
---|
2072 | |
---|
2073 | length -- When cmd==CMD_PARAM_WRITE, None |
---|
2074 | When cmd==CMD_PARAM_READ, number of u32 values to read starting at address |
---|
2075 | """ |
---|
2076 | _read_len = None |
---|
2077 | |
---|
2078 | def __init__(self, cmd, high, address, values=None, length=None): |
---|
2079 | super(NodeMemAccess, self).__init__() |
---|
2080 | if (high): |
---|
2081 | self.command = _CMD_GROUP_NODE + CMDID_DEV_MEM_HIGH |
---|
2082 | else: |
---|
2083 | self.command = _CMD_GROUP_NODE + CMDID_DEV_MEM_LOW |
---|
2084 | |
---|
2085 | self.add_args(cmd) |
---|
2086 | self.add_args(address) |
---|
2087 | self.add_args(length) |
---|
2088 | |
---|
2089 | if (cmd == CMD_PARAM_READ): |
---|
2090 | self._read_len = length |
---|
2091 | |
---|
2092 | elif (cmd == CMD_PARAM_WRITE): |
---|
2093 | try: |
---|
2094 | for v in values: |
---|
2095 | self.add_args(v) |
---|
2096 | except TypeError: |
---|
2097 | self.add_args(values) |
---|
2098 | |
---|
2099 | else: |
---|
2100 | raise Exception('ERROR: NodeMemAccess constructor arguments invalid') |
---|
2101 | |
---|
2102 | |
---|
2103 | def process_resp(self, resp): |
---|
2104 | error_code = CMD_PARAM_ERROR |
---|
2105 | error_msg = "Memory access failed." |
---|
2106 | status_errors = { error_code : error_msg } |
---|
2107 | |
---|
2108 | if (self._read_len is not None): |
---|
2109 | # Read command |
---|
2110 | if (self.command == _CMD_GROUP_NODE + CMDID_DEV_MEM_HIGH): |
---|
2111 | msg = "from CPU High Mem read command" |
---|
2112 | else: |
---|
2113 | msg = "from CPU Low Mem read command" |
---|
2114 | |
---|
2115 | if resp.resp_is_valid(num_args=(2 + self._read_len), status_errors=status_errors, name=msg): |
---|
2116 | args = resp.get_args() |
---|
2117 | |
---|
2118 | if (len(args) == 3): |
---|
2119 | return args[2] |
---|
2120 | elif (len(args) > 3): |
---|
2121 | return args[2:] |
---|
2122 | else: |
---|
2123 | raise Exception('ERROR: Invalid memory read response. Num Args = {0}'.format(len(args))) |
---|
2124 | else: |
---|
2125 | return CMD_PARAM_ERROR |
---|
2126 | else: |
---|
2127 | # Write command |
---|
2128 | if (self.command == _CMD_GROUP_NODE + CMDID_DEV_MEM_HIGH): |
---|
2129 | msg = "from CPU High Mem write command" |
---|
2130 | else: |
---|
2131 | msg = "from CPU Low Mem write command" |
---|
2132 | |
---|
2133 | if resp.resp_is_valid(num_args=1, status_errors=status_errors, name=msg): |
---|
2134 | pass |
---|
2135 | else: |
---|
2136 | return CMD_PARAM_ERROR |
---|
2137 | |
---|
2138 | # End ClassNodeAPProcBeaconInterval |
---|
2139 | |
---|
2140 | |
---|
2141 | |
---|
2142 | #-------------------------------------------- |
---|
2143 | # EEPROM Access Commands - For developer use only |
---|
2144 | #-------------------------------------------- |
---|
2145 | class NodeEEPROMAccess(message.Cmd): |
---|
2146 | """Command to read/write EEPROM |
---|
2147 | |
---|
2148 | Attributes: |
---|
2149 | cmd -- Sub-command to send over the command. Valid values are: |
---|
2150 | CMD_PARAM_READ |
---|
2151 | CMD_PARAM_WRITE |
---|
2152 | address -- u16 memory address to read/write |
---|
2153 | |
---|
2154 | values -- When cmd==CMD_PARAM_WRITE, scalar or list of u8 values to write |
---|
2155 | When cmd==CMD_PARAM_READ, None |
---|
2156 | |
---|
2157 | length -- When cmd==CMD_PARAM_WRITE, number of u8 values to write |
---|
2158 | When cmd==CMD_PARAM_READ, number of u8 values to read |
---|
2159 | |
---|
2160 | on_board -- True for "On Board" EEPROM access, False for "FMC" EEPROM access |
---|
2161 | """ |
---|
2162 | _read_len = None |
---|
2163 | |
---|
2164 | def __init__(self, cmd, address, values=None, length=None, on_board=True): |
---|
2165 | super(NodeEEPROMAccess, self).__init__() |
---|
2166 | self.command = _CMD_GROUP_NODE + CMDID_DEV_EEPROM |
---|
2167 | |
---|
2168 | self.add_args(cmd) |
---|
2169 | self.add_args(on_board) |
---|
2170 | self.add_args(address) |
---|
2171 | self.add_args(length) |
---|
2172 | |
---|
2173 | if (cmd == CMD_PARAM_READ): |
---|
2174 | self._read_len = length |
---|
2175 | |
---|
2176 | elif (cmd == CMD_PARAM_WRITE): |
---|
2177 | try: |
---|
2178 | for v in values: |
---|
2179 | self.add_args(v) |
---|
2180 | except TypeError: |
---|
2181 | self.add_args(values) |
---|
2182 | |
---|
2183 | else: |
---|
2184 | raise Exception('ERROR: NodeEEPROMAccess constructor arguments invalid') |
---|
2185 | |
---|
2186 | |
---|
2187 | def process_resp(self, resp): |
---|
2188 | error_code = CMD_PARAM_ERROR |
---|
2189 | error_msg = "Memory access failed." |
---|
2190 | status_errors = { error_code : error_msg } |
---|
2191 | |
---|
2192 | if (self._read_len is not None): |
---|
2193 | # Read command |
---|
2194 | msg = "from EEPROM write command" |
---|
2195 | |
---|
2196 | if resp.resp_is_valid(num_args=(2 + self._read_len), status_errors=status_errors, name=msg): |
---|
2197 | args = resp.get_args() |
---|
2198 | |
---|
2199 | if (len(args) == 3): |
---|
2200 | return args[2] |
---|
2201 | elif (len(args) > 3): |
---|
2202 | return args[2:] |
---|
2203 | else: |
---|
2204 | raise Exception('ERROR: Invalid EEPROM read response: Num Args = {0}'.format(len(args))) |
---|
2205 | else: |
---|
2206 | return CMD_PARAM_ERROR |
---|
2207 | else: |
---|
2208 | # Write command |
---|
2209 | msg = "from EEPROM write command" |
---|
2210 | |
---|
2211 | if resp.resp_is_valid(num_args=1, status_errors=status_errors, name=msg): |
---|
2212 | pass |
---|
2213 | else: |
---|
2214 | return CMD_PARAM_ERROR |
---|
2215 | |
---|
2216 | # End Class |
---|
2217 | |
---|
2218 | |
---|
2219 | |
---|
2220 | #-------------------------------------------- |
---|
2221 | # User Commands |
---|
2222 | #-------------------------------------------- |
---|
2223 | class UserSendCmd(message.Cmd): |
---|
2224 | """Command to send User Command to the node |
---|
2225 | |
---|
2226 | Attributes: |
---|
2227 | cmdid -- User-defined Command ID |
---|
2228 | args -- Scalar or list of u32 arguments to write |
---|
2229 | """ |
---|
2230 | def __init__(self, cmd_id, args=None): |
---|
2231 | super(UserSendCmd, self).__init__() |
---|
2232 | |
---|
2233 | self.command = _CMD_GROUP_USER + cmd_id |
---|
2234 | |
---|
2235 | if args is not None: |
---|
2236 | try: |
---|
2237 | for a in args: |
---|
2238 | self.add_args(a) |
---|
2239 | except TypeError: |
---|
2240 | self.add_args(args) |
---|
2241 | |
---|
2242 | |
---|
2243 | def process_resp(self, resp): |
---|
2244 | """ Message format: |
---|
2245 | respArgs32[0] Status |
---|
2246 | """ |
---|
2247 | args = resp.get_args() |
---|
2248 | |
---|
2249 | try: |
---|
2250 | return args[0:] |
---|
2251 | except: |
---|
2252 | return None |
---|
2253 | |
---|
2254 | # End Class |
---|
2255 | |
---|
2256 | |
---|
2257 | |
---|
2258 | #-------------------------------------------- |
---|
2259 | # Misc Helper methods |
---|
2260 | #-------------------------------------------- |
---|
2261 | def _add_mac_address_to_cmd(cmd, mac_address): |
---|
2262 | if mac_address is not None: |
---|
2263 | if type(mac_address) is str: |
---|
2264 | import wlan_exp.util as util |
---|
2265 | mac_address = util.str_to_mac_addr(mac_address) |
---|
2266 | |
---|
2267 | cmd.add_args(((mac_address >> 32) & 0xFFFF)) |
---|
2268 | cmd.add_args((mac_address & 0xFFFFFFFF)) |
---|
2269 | else: |
---|
2270 | cmd.add_args(CMD_PARAM_RSVD_MAC_ADDR) |
---|
2271 | cmd.add_args(CMD_PARAM_RSVD_MAC_ADDR) |
---|
2272 | |
---|
2273 | # End def |
---|
2274 | |
---|
2275 | |
---|
2276 | def _add_ssid_to_cmd(cmd, ssid): |
---|
2277 | """Internal method to add an ssid to the given command""" |
---|
2278 | import struct |
---|
2279 | |
---|
2280 | ssid_len = len(ssid) |
---|
2281 | |
---|
2282 | if (ssid_len > CMD_PARAM_MAX_SSID_LEN): |
---|
2283 | ssid_len = CMD_PARAM_MAX_SSID_LEN |
---|
2284 | ssid = ssid[:CMD_PARAM_MAX_SSID_LEN] |
---|
2285 | |
---|
2286 | msg = "WARNING: Maximum SSID length is {0} ".format(CMD_PARAM_MAX_SSID_LEN) |
---|
2287 | msg += "truncating to {0}.".format(ssid) |
---|
2288 | print(msg) |
---|
2289 | |
---|
2290 | cmd.add_args(ssid_len) |
---|
2291 | |
---|
2292 | # Null-teriminate the string for C |
---|
2293 | ssid += "\0" |
---|
2294 | ssid_buf = bytearray(ssid, 'UTF-8') |
---|
2295 | |
---|
2296 | # Zero pad so that the ssid buffer is 32-bit aligned |
---|
2297 | if ((len(ssid_buf) % 4) != 0): |
---|
2298 | ssid_buf += bytearray(4 - (len(ssid_buf) % 4)) |
---|
2299 | |
---|
2300 | idx = 0 |
---|
2301 | while (idx < len(ssid_buf)): |
---|
2302 | arg = struct.unpack_from('!I', ssid_buf[idx:idx+4]) |
---|
2303 | cmd.add_args(arg[0]) |
---|
2304 | idx += 4 |
---|
2305 | |
---|
2306 | # End def |
---|
2307 | |
---|
2308 | def _get_ssid_from_resp(resp, status_errors): |
---|
2309 | """Internal method to process an SSID from a response.""" |
---|
2310 | args = resp.get_args() |
---|
2311 | arg_length = len(args) |
---|
2312 | |
---|
2313 | resp.resp_is_valid(num_args=arg_length, status_errors=status_errors, |
---|
2314 | name='while processing SSID') |
---|
2315 | |
---|
2316 | # Actually check the number of arguments |
---|
2317 | if(arg_length >= 2): |
---|
2318 | length = args[1] |
---|
2319 | else: |
---|
2320 | raise Exception('ERROR: invalid response to process SSID - N_ARGS = {0}'.format(len(args))) |
---|
2321 | |
---|
2322 | # Get the SSID from the response |
---|
2323 | if (length > 0): |
---|
2324 | import struct |
---|
2325 | ssid_buffer = struct.pack('!%dI' % (arg_length - 2), *args[2:] ) |
---|
2326 | ssid_tuple = struct.unpack_from('!%ds' % length, ssid_buffer) |
---|
2327 | |
---|
2328 | # Python 3 vs 2 issue |
---|
2329 | try: |
---|
2330 | ssid = str(ssid_tuple[0], encoding='UTF-8') |
---|
2331 | except TypeError: |
---|
2332 | ssid = str(ssid_tuple[0]) |
---|
2333 | else: |
---|
2334 | ssid = "" |
---|
2335 | |
---|
2336 | return ssid |
---|
2337 | |
---|
2338 | # End def |
---|
2339 | |
---|
2340 | def _get_channel_number(channel): |
---|
2341 | """Internal method to get the channel number.""" |
---|
2342 | try: |
---|
2343 | my_channel = channel['index'] |
---|
2344 | except (KeyError, TypeError): |
---|
2345 | import wlan_exp.util as util |
---|
2346 | |
---|
2347 | tmp_chan = util.get_channel_info(channel) |
---|
2348 | |
---|
2349 | if tmp_chan is not None: |
---|
2350 | my_channel = tmp_chan['channel'] |
---|
2351 | else: |
---|
2352 | msg = "Unknown channel: {0}".format(channel) |
---|
2353 | raise ValueError(msg) |
---|
2354 | |
---|
2355 | return my_channel |
---|
2356 | |
---|
2357 | # End def |
---|