annotate packages/io/eth/current/cdl/eth_drivers.cdl @ 160:0d0f03f76f6a

Merge from eCos master repository on 2001-06-01-18:52:13-BST
author jlarmour
date Fri, 01 Jun 2001 22:16:29 +0000
parents b939e9cada46
children 2395031e7a66
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1 # ====================================================================
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2 #
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3 # eth_drivers.cdl
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4 #
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5 # Ethernet drivers - platform independent support
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6 #
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7 # ====================================================================
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8 #####COPYRIGHTBEGIN####
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9 #
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10 # -------------------------------------------
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11 # The contents of this file are subject to the Red Hat eCos Public License
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12 # Version 1.1 (the "License"); you may not use this file except in
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13 # compliance with the License. You may obtain a copy of the License at
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14 # http://www.redhat.com/
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15 #
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16 # Software distributed under the License is distributed on an "AS IS"
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17 # basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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18 # License for the specific language governing rights and limitations under
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19 # the License.
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20 #
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21 # The Original Code is eCos - Embedded Configurable Operating System,
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22 # released September 30, 1998.
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23 #
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24 # The Initial Developer of the Original Code is Red Hat.
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25 # Portions created by Red Hat are
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26 # Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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27 # All Rights Reserved.
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28 # -------------------------------------------
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29 #
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30 #####COPYRIGHTEND####
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31 # ====================================================================
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32 ######DESCRIPTIONBEGIN####
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33 #
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34 # Author(s): gthomas
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35 # Original data: gthomas
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36 # Contributors:
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37 # Date: 2000-01-25
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38 #
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39 #####DESCRIPTIONEND####
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40 #
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41 # ====================================================================
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42
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43 cdl_package CYGPKG_IO_ETH_DRIVERS {
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44 display "Common ethernet support"
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45 include_dir .
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46 parent CYGPKG_IO
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47 description "Platform independent ethernet drivers"
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48
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49 implements CYGPKG_NET_DRIVER_FRAMEWORK
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50
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51 cdl_component CYGPKG_IO_ETH_DRIVERS_NET {
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52 display "Support for standard eCos TCP/IP stack."
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53 flavor bool
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54 active_if CYGPKG_NET
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55 default_value 1
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56 compile net/eth_drv.c
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57
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58 cdl_option CYGPKG_IO_ETH_DRIVERS_WARN_NO_MBUFS {
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59 display "Warn when there are no more mbufs"
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60 flavor bool
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61 default_value 1
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62 description "
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63 Warnings about running out of mbufs are printed to the
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64 diagnostic output channel via diag_printf() if this option
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65 is enabled. Mbufs are the network stack's basic dynamic
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66 memory objects that hold all packets in transit; running
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67 out is bad for performance but not fatal, not a crash.
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68 You might want to turn off the warnings to preserve realtime
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69 properties of the system even in extremis."
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70 }
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71
126
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72 cdl_component CYGPKG_IO_ETH_DRIVERS_SIMULATED_FAILURES {
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73 display "Simulate network failures for testing"
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74 flavor bool
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75 default_value 0
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76 description "
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77 This package contains a suite of simulated failure modes
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78 for the ethernet device layer, including dropping and/or
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79 corrupting received packets, dropping packets queued for
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80 transmission, and simulating a complete network break.
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81 It requires the kernel as a source of time information."
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82
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83 cdl_option CYGPKG_IO_ETH_DRIVERS_SIMULATE_DROP_RX {
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84 display "Drop incoming packets (percentage)"
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85 flavor booldata
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86 legal_values 10 50 80
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87 default_value 10
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88 }
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89
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90 cdl_option CYGPKG_IO_ETH_DRIVERS_SIMULATE_CORRUPT_RX {
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91 display "Corrupt incoming packets (percentage)"
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92 flavor booldata
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93 legal_values 10 50 80
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94 default_value 10
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95 }
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96
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97 cdl_option CYGPKG_IO_ETH_DRIVERS_SIMULATE_DROP_TX {
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98 display "Drop outgoing packets (percentage)"
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99 flavor booldata
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100 legal_values 10 50 80
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101 default_value 10
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102 }
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103
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104 cdl_option CYGPKG_IO_ETH_DRIVERS_SIMULATE_LINE_CUT {
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105 display "Simulate a line cut from time to time"
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106 flavor bool
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107 default_value 0
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108 description "
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109 This option causes the system to drop all packets for a
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110 short random period (10s of seconds), and then act
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111 normally for up to 4 times that long. This simulates your
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112 sysadmin fiddling with plugs in the network switch
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113 cupboard."
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114 }
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115 }
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116 }
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117
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118 cdl_component CYGPKG_IO_ETH_DRIVERS_STAND_ALONE {
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119 display "Support for stand-alone network stack."
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120 flavor bool
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121 active_if !CYGPKG_NET
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122 default_value 1
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123 compile stand_alone/eth_drv.c
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124
160
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125 cdl_option CYGSEM_IO_ETH_DRIVERS_PASS_PACKETS {
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126 display "Pass packets to an alternate stack"
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127 flavor bool
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128 default_value { 0 != CYGPKG_REDBOOT_NETWORKING }
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129 description "
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130 Define this to allow packets seen by this layer to be
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131 passed on to the previous logical layer, i.e. when
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132 stand-alone processing replaces system (eCos) processing."
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133 }
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134
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135 cdl_option CYGNUM_IO_ETH_DRIVERS_NUM_PKT {
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136 display "Number of \[network\] buffers"
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137 flavor data
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138 default_value 4
119
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139 legal_values 2 to 32
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140 description "
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141 This option is used to allocate space to buffer incoming network
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142 packets. These buffers are used to hold data until they can be
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143 logically processed by higher layers."
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144 }
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145
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146 cdl_option CYGSEM_IO_ETH_DRIVERS_WARN {
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147 display "Show driver warnings"
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148 flavor bool
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149 default_value 0
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150 description "
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151 Selecting this option will allows the stand-alone ethernet driver
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152 to display warnings on the system console when incoming network
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153 packets are being discarded due to lack of buffer space."
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154 }
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155
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156 cdl_option CYGSEM_IO_ETH_DRIVERS_DEBUG {
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157 display "Print driver debug information"
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158 flavor bool
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159 default_value 0
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160 description "
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161 Selecting this option will enable the stand-alone driver to print
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162 lots of information. Useful only when getting a low-level hardware
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163 driver to work."
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164 }
115
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165 }
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166
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167 cdl_component CYGPKG_IO_ETH_DRIVERS_OPTIONS {
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168 display "Common ethernet support build options"
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169 flavor none
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170 no_define
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171
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172 cdl_option CYGPKG_IO_ETH_DRIVERS_CFLAGS_ADD {
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173 display "Additional compiler flags"
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174 flavor data
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175 no_define
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176 default_value { "-D_KERNEL -D__ECOS" }
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177 description "
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178 This option modifies the set of compiler flags for
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179 building the common ethernet support package. These flags are used in addition
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180 to the set of global flags."
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181 }
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182 }
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183 }