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Merge from eCos master repository on 2001-08-22-06:38:55-BST
author jlarmour
date Wed, 22 Aug 2001 06:27:14 +0000
parents 391299f9e541
children f62680ef1804
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181
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1 2001-08-20 Jonathan Larmour <jlarmour@redhat.com>
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2
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3 * src/net/eth_drv.c (eth_drv_send): Move endif location to fix build
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4 error.
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6 2001-08-17 Jonathan Larmour <jlarmour@redhat.com>
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8 * cdl/eth_drivers.cdl (CYGSEM_IO_ETH_DRIVERS_DEBUG): Now booldata.
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9 * src/stand_along/eth_drv.c (eth_drv_tx_done): Use different
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10 value of CYGSEM_IO_ETH_DRIVERS_DEBUG for verbosity.
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11
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12 2001-08-14 Gary Thomas <gthomas@redhat.com>
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13
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14 * src/stand_alone/eth_drv.c (eth_drv_write):
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15 (eth_drv_tx_done):
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16 (eth_drv_read): Better handling of stacking (layering) of drivers.
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17 RedBoot (stand alone code) is designed to call into the eCos
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18 stack and these changes make sure that this is done properly
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19 nested/stacked. These changes also affect the behaviour positively
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20 for CR 902745-CR.
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21
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22 * src/net/eth_drv.c (eth_drv_send): Add locking of driver while
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23 actual hardware routines are involved. Since the same driver
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24 can be shared by both eCos and RedBoot, it is imperative that
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25 additional locking (in the form of locking the scheduler) be
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26 employed during this window to make sure that the hardware is
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27 handled in complete, consistent steps. This helps with known
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28 bug CR 902745-CR.
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29
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30 2001-08-09 Hugo Tyson <hmt@redhat.com>
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31
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32 * src/net/eth_drv.c (eth_drv_recv): Add a pair of
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33 CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP() on entry and exit;
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34 this function is intercalled between RedBoot and the application.
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35 A minor re-org at the ending to accommodate these macros' nesting.
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36 (eth_drv_tx_done): CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP().
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37
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38 * src/stand_alone/eth_drv.c (eth_drv_tx_done): Add a pair of
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39 CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP() on entry and exit;
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40 this function is intercalled between RedBoot and the application.
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41 Also make printing message about "tx_done for other key" also
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42 conditional on net_debug variable - it's commonplace.
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43 (eth_drv_recv): CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP().
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44 (eth_drv_copy_recv): CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP().
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45
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46 2001-07-03 Gary Thomas <gthomas@redhat.com>
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47
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48 * src/net/eth_drv.c (eth_drv_recv): Better cleanup when running
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49 out of mbufs - could have lost mbufs before.
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51 2001-06-21 David Woodhouse <dwmw2@redhat.com>
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52
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53 * src/stand_alone/eth_drv.c: Timeout when waiting for Ethernet
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54 driver to finish sending packet.
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55 * src/stand_alone/eth_drv.c: Don't delay if it's ready immediately.
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57 2001-06-11 Gary Thomas <gthomas@redhat.com>
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58
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59 * cdl/eth_drivers.cdl: Make debug default for RedBoot.
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61 2001-05-22 Jonathan Larmour <jlarmour@redhat.com>
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63 * cdl/eth_drivers.cdl: New option: CYGSEM_IO_ETH_DRIVERS_PASS_PACKETS
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64 which replaces the static define in...
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65 * src/stand_alone_eth_drv.c: Rename ETH_DRV_PASS_PACKETS to
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66 new CDL option above.
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67 Also, ensure references to start_console/end_console are conditional
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68 on CYGSEM_IO_ETH_DRIVERS_DEBUG.
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69
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70 2001-05-22 Hugo Tyson <hmt@redhat.com>
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71 2001-05-22 Sanjay Bisen <Sanjay.Bisen@ascom.ch>
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72
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73 * src/net/eth_drv.c (eth_drv_recv): Patch from Sanjay at Ascom; it
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74 leaked one mbuf if you run out of clusters. Fix is simply to
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75 free m in addition to top.
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76
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77 * src/net/eth_drv.c (eth_drv_run_deliveries): Fixed a warning with
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78 an int cast in HAL_CTRLC_CHECK().
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79
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80 2001-03-21 Gary Thomas <gthomas@redhat.com>
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81
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82 * cdl/eth_drivers.cdl: Fewer buffers needed in stand-alone mode.
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83
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84 2001-03-12 Hugo Tyson <hmt@redhat.com>
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85
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86 * cdl/eth_drivers.cdl: Permit defines for
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87 CYGPKG_IO_ETH_DRIVERS_STAND_ALONE and CYGPKG_IO_ETH_DRIVERS_NET.
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88 The generic i82559 driver needs to know, unfortunately; it calls
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89 its own DSR directly to unblock after a lost interrupt. And you
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90 mustn't call the DSR under RedBoot == ....STAND_ALONE.
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92 2001-01-15 Jesper Skov <jskov@redhat.com>
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93
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94 * src/net/eth_drv.c (eth_drv_init): Do not use enaddr if NULL.
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96 2001-01-07 Gary Thomas <gthomas@redhat.com>
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97
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98 * cdl/eth_drivers.cdl: Add interface 'CYGPKG_NET_DRIVER_FRAMEWORK'
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99 to describe interdependencies between network stack and driver
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100 framework packages.
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102 2001-01-04 Gary Thomas <gthomas@redhat.com>
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103
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104 * src/net/eth_drv.c (eth_drv_tx_done): Update count of Tx packets.
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106 2000-12-11 Gary Thomas <gthomas@redhat.com>
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107
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108 * src/net/eth_drv.c (eth_drv_run_deliveries): Support ^C when
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109 using network based debug channel.
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110
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111 2000-12-02 Gary Thomas <gthomas@redhat.com>
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112
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113 * src/stand_alone/eth_drv.c (eth_drv_write): Debug: dump packet
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114 before calling hardware routine for improved usability.
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115
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116 2000-10-30 Gary Thomas <gthomas@redhat.com>
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117
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118 * include/eth_drv.h: Fix compile error in stand-alone mode.
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119
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120 2000-10-17 Hugo Tyson <hmt@redhat.com>
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121 2000-10-10 Andrew Lunn <Andrew.Lunn@ascom.ch>
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122 * cdl/eth_drivers.cdl: Add configury to disable the warnings about
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123 out of mbufs for receives.
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124
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125 * src/net/eth_drv.c: The changes required for the above.
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126
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127 2000-09-28 Hugo Tyson <hmt@redhat.com>
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128
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129 * src/net/eth_drv.c (eth_drv_run_deliveries): Remove race
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130 condition; a chance to deliver could be delayed until "next time"
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131 if the DSR snuck in just right.
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132
126
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133 2000-09-14 Hugo Tyson <hmt@redhat.com>
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134
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135 * cdl/eth_drivers.cdl: Add configury to control new features. All
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136 is controlled globally by CYGPKG_IO_ETH_DRIVERS_SIMULATED_FAILURES
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137 which is by default off, natch.
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138
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139 * src/net/eth_drv.c (simulate_fail): Implement simulated failures
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140 in ethernet packet delivery - independent tx and rx dropping and
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141 rx packet corruption. Also a "line break" drop-all feature.
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142
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143 2000-09-13 Gary Thomas <gthomas@redhat.com>
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144
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145 * src/stand_alone/eth_drv.c: Take out noisy dump when out of buffers.
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146
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147 2000-09-11 Hugo Tyson <hmt@cygnus.co.uk>
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148
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149 * src/stand_alone/eth_drv.c (eth_drv_write): If we timeout waiting
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150 for the write to complete, do reset the vectors to point to the
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151 application, rather just a bald "return".
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152
124
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153 2000-09-08 Hugo Tyson <hmt@cygnus.co.uk>
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154
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155 * include/netdev.h (NETDEVTAB_ENTRY): Work around feature of new
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156 version of CYG_HAL_TABLE_ENTRY() whereby no spaces are allowed.
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157
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158 2000-09-07 Jonathan Larmour <jlarmour@redhat.com>
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159
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160 * include/netdev.h (cyg_netdevtab_entry_t): Correct syntax for
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161 CYG_HAL_TABLE_TYPE
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162
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163 2000-09-04 Jonathan Larmour <jlarmour@redhat.com>
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164
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165 * include/netdev.h (cyg_netdevtab_entry_t): Apply CYG_HAL_TABLE_TYPE
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166
121
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167 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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168
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169 * src/stand_alone/eth_drv.c (eth_drv_dsr): New function, never
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170 called but maybe referenced in stand_alone context, which lets
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171 redboot work in the new world.
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172
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173 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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174
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175 * OVERVIEW: This is part of the change to the network stack to
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176 greatly reduce latencies both of (other) DSRs and of thread
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177 scheduling. All the work that the network stack *and* individual
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178 ether drivers used to do in DSRs (including alarm callbacks and
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179 data copies to/from the device memory) is moved into a "fast
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180 network thread" instead. It calls a device's "deliver" function
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181 to do the work that was previously in the DSR. This is a separate
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182 thread so that it can be set higher priority than application
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183 threads in order to minimize packet loss (depending on the
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184 driver), if required (the application threads presumed to be
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185 higher priority in turn than the network thread). A crucial
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186 consequence of this is that we are no longer locking against DSRs,
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187 so a plain mutex can be used rather than the global scheduler
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188 lock, thus simplifying all the splfoo/splx() style functions.
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189
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190 These changes WILL BREAK individual device drivers until they are
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191 updated AND the standalone logical ether driver in this component,
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192 until it is updated also.
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193
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194 * include/eth_drv.h (ETH_DRV_SC): Add "deliver" entry to struct
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195 eth_hwr_funs interface record; declare available DSR and flag for
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196 "needs delivery" in SC status field.
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197
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198 * src/net/eth_drv.c (eth_drv_run_deliveries): New function,
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199 performs callbacks to deliver funcs for all devs that want it.
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200 (eth_drv_dsr): New function, sets flag in sc and calls up to net
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201 stack to schedule the fast network thread.
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202 (eth_drv_send): No need to lock scheduler here.
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203
119
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204 2000-08-29 Gary Thomas <gthomas@redhat.com>
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205
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206 * src/stand_alone/eth_drv.c: Use null buffer, (char *)0,
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207 instead of wasting memory - low level drivers must be designed
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208 to handle this case.
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209
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210 2000-08-28 Gary Thomas <gthomas@redhat.com>
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211
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212 * src/stand_alone/eth_drv.c: Use new configuration parameters.
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213
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214 * cdl/eth_drivers.cdl: Add new configury to control number of
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215 internal buffers used by this layer. Also exposed some of the
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216 debug flags here.
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217
117
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218 2000-08-25 Hugo Tyson <hmt@cygnus.co.uk>
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219
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220 * include/eth_drv_stats.h (ether_drv_stats): A little further
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221 diddling; have a bool to say whether the dot3 info is filled in.
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222
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223 2000-08-24 Hugo Tyson <hmt@cygnus.co.uk>
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224
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225 * src/net/eth_drv.c (eth_drv_ioctl): Implement ioctl() calls.
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226 sockio.h numbers SIOCGIFSTATS and SIOCGIFSTATSUD map to
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227 ETH_DRV_GET_IF_STATS and ETH_DRV_GET_IF_STATS_UD respectively.
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228
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229 * include/eth_drv.h (ETH_DRV_GET_IF_STATS_UD): Add new device
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230 interface ioctl() numbers, to get the struct below filled in.
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231 Also pull in the definition include file (below).
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232
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233 * include/eth_drv_stats.h (ether_drv_stats): New file: Define
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234 common structure for ether devices to return stats info to higher
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235 up, via an ioctl() call. SNMP uses this.
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236
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237 2000-08-23 Gary Thomas <gthomas@redhat.com>
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238
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239 * src/stand_alone/eth_drv.c:
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240 * include/eth_drv.h: Low level drivers now need to export a
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241 function which returns the interrupt vector used by that interface.
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242 This allows outside code to determine this in a portable fashion.
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243
115
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244 2000-08-16 Gary Thomas <gthomas@redhat.com>
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245
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246 * src/stand_alone/eth_drv.c:
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247 * include/eth_drv.h: Clean up warnings (better protyping).
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248
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249 * src/stand_alone/eth_drv.c (eth_drv_write): Abandon sending
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250 packet if device goes not ready for a long time (in some cases,
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251 this is the only indication that the link is down).
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252
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253 2000-08-07 Gary Thomas <gthomas@redhat.com>
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254
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255 * src/net/eth_drv.c (eth_drv_recv): Add safety in case this gets
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256 called [from stand-alone code] while interface is not up.
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257
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258 * src/stand_alone/eth_drv.c:
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259 * include/eth_drv.h: Rework to more fully support mixed stand-alone
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260 and system (eCos) stacks.
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261
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262 2000-08-03 Gary Thomas <gthomas@redhat.com>
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263
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264 * cdl/eth_drivers.cdl: Reparent within I/O, not NET. This allows
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265 for stand-alone use as well as support for other stack implementations.
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266
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267 2000-07-28 Hugo Tyson <hmt@cygnus.co.uk>
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268
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269 * src/eth_drv.c (eth_drv_recv): Assert that the length we're asked
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270 to deal with is at least an ether header, and also be defensive in
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271 any case; discard small packets. [CASE 104206]
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272
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273 2000-07-26 Gary Thomas <gthomas@redhat.com>
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274
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275 * src/eth_drv.c:
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276 * include/eth_drv.h: Change interfaces used by hardware layer to
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277 be "soft" (pointers to functions). This will allow those drivers
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278 to be shared by applications and the ROM/debug environment.
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279
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280 2000-07-15 Gary Thomas <gthomas@redhat.com>
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281
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282 * include/eth_drv.h: Add [initial] extensions to let this
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283 layer work either in an eCos environment or stand-alone.
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284
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285 2000-07-11 Gary Thomas <gthomas@redhat.com>
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286
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287 * include/eth_drv.h: Add minimal PCMCIA support.
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288
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289 * src/eth_drv.c (eth_drv_netdev): New function - used to find the
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290 ethernet device info for PCMCIA devices.
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291
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292 2000-06-23 Hugo Tyson <hmt@cygnus.co.uk>
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293
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294 * src/eth_drv.c (eth_drv_send): Do not consume an SG entry for
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295 zero length data; tolerate overflow of the SG. Before this, pings
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296 of 6000 bytes crashed the system!
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297
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298 You can now set net_debug to 2 to get quieter output; 1 gives the
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299 whole packet dump as before.
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300
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301 * include/eth_drv.h (MAX_ETH_DRV_SG): Make this 16 so that an MTU
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302 made of all mbufs will not overflow.
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303
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304 2000-03-28 Gary Thomas <gthomas@redhat.com>
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305
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306 * src/eth_drv.c (eth_drv_recv): Tolerate running out of MBUFs
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307 instead of "panic"ing.
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308
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309 2000-03-08 Gary Thomas <gthomas@redhat.com>
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310
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311 * src/eth_drv.c: Add some function [block] comments.
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312 (eth_drv_send): Use eCos scheduler lock instead of interrupt lock.
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313
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314 2000-03-08 Hugo Tyson <hmt@cygnus.co.uk>
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315
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316 * doc/driver_doc: Add some clarification about what's called when,
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317 proofreading results, shorter lines so I can print it nicely.
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318
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319 2000-03-06 Gary Thomas <gthomas@redhat.com>
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320
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321 * src/eth_drv.c:
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322 * include/eth_drv.h:
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323 * doc/driver_doc: Remove generic "priv"ate references.
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324
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325 2000-02-29 Gary Thomas <gthomas@cygnus.co.uk>
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326
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327 * src/eth_drv.c:
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328 * include/eth_drv.h: New expanded API for hardware drivers.
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329
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330 2000-02-18 Gary Thomas <gthomas@cygnus.co.uk>
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331
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332 * src/eth_drv.c (eth_drv_send): Disable interrupts while initiating
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333 the buffer send - avoid a possible race.
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334
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335 2000-02-08 John Dallaway <jld@cygnus.co.uk>
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336
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337 * cdl/eth_drivers.cdl:
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338 Reparent under CYGPKG_NET and tidy display strings.
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339
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340 //===========================================================================
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341 //####COPYRIGHTBEGIN####
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342 //
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343 // -------------------------------------------
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344 // The contents of this file are subject to the Red Hat eCos Public License
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345 // Version 1.1 (the "License"); you may not use this file except in
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346 // compliance with the License. You may obtain a copy of the License at
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347 // http://www.redhat.com/
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348 //
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349 // Software distributed under the License is distributed on an "AS IS"
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350 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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351 // License for the specific language governing rights and limitations under
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352 // the License.
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353 //
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354 // The Original Code is eCos - Embedded Configurable Operating System,
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355 // released September 30, 1998.
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356 //
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357 // The Initial Developer of the Original Code is Red Hat.
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358 // Portions created by Red Hat are
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359 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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360 // All Rights Reserved.
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361 // -------------------------------------------
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362 //
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363 //####COPYRIGHTEND####
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364 //===========================================================================
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365
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366
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367