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Merge from eCos master repository on 2001-10-19-06:43:02-BST
author jlarmour
date Fri, 19 Oct 2001 07:02:26 +0000
parents ab68c1701603
children 67850532eebb
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191
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1 2001-10-18 Jonathan Larmour <jlarmour@redhat.com>
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2
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3 * cdl/eth_drivers.cdl: Rename CYGSEM_IO_ETH_DRIVERS_DEBUG to
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4 CYGDBG_IO_ETH_DRIVERS_DEBUG and make it a common option.
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5 Add separate CYGDBG_IO_ETH_DRIVERS_DEBUG_VERBOSITY config.
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6
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7 * include/eth_drv.h: Don't claim BSD if it isn't.
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8 * include/eth_drv_stats.h: Ditto.
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9 * include/netdev.h: Ditto.
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10 * src/net/eth_drv.c: Ditto.
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11 Also use above CDL options to conditionalize debugging (and the
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12 verbosity level).
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13 * src/stand_alone/eth_drv.c: Use above renamed CDL options.
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14
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15 2001-10-11 Gary Thomas <gthomas@redhat.com>
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17 * src/stand_alone/eth_drv.c (eth_drv_recv):
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18 Defensive programming - insure valid packet size.
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19
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20 2001-10-05 Jonathan Larmour <jlarmour@redhat.com>
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21
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22 * src/net/eth_drv.c: Add default implementation of min().
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24 2001-09-26 Jesper Skov <jskov@redhat.com>
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25
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26 * cdl/eth_drivers.cdl: Require the string functions.
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27
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28 * src/stand_alone/eth_drv.c: Fix warnings.
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29
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30 2001-09-25 Hugo Tyson <hmt@redhat.com>
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31
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32 * src/net/eth_drv.c (eth_drv_dsr): Assert that the "sc" given to
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33 eth_drv_dsr() really is a sc from the valid list. This can save a
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34 few hours debug time of a typo.
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35
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36 2001-09-13 Hugo Tyson <hmt@redhat.com>
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37
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38 * src/net/eth_drv.c (eth_drv_tickle_devices): New function to call
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39 can_send() on all devices to allow them to unstick from a lost
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40 interrupt or other wedge - it's up to the device to detect this,
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41 of course, can_send() does not explicitly do this, it's just used
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42 as an opportunity harmlessly to get control into the device so it
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43 can examine its world.
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44
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45 2001-09-05 Gary Thomas <gthomas@redhat.com>
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46
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47 * src/stand_alone/eth_drv.c (eth_drv_init): Don't initialize
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48 structures if ESA is zero. This is used by low level drivers
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49 to indicate that a device is present, but can't currently be
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50 used. The eCos driver handles this case as well.
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51
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52 2001-08-31 Hugo Tyson <hmt@redhat.com>
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53 2001-08-31 Andrew Lunn <Andrew.Lunn@ascom.ch>
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54
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55 * src/net/eth_drv.c (eth_drv_tx_done): Guard against a NULL key
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56 return - which can be caused by race conditions in the driver,
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57 this is the neatest fixup. It's good defensive programming
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58 anyway and ASCOM's tests indicate a benefit for CASE 106059.
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59
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60 2001-08-22 Gary Thomas <gthomas@redhat.com>
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61
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62 * src/stand_alone/eth_drv.c:
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63 printf() is no longer a part of RedBoot. Thus all programs
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64 must use diag_printf() and related functions instead.
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65
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66 * cdl/eth_drivers.cdl: Only enable warning/debug modes if RedBoot
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67 is present as the debug environment (since there are implicit
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68 dependencies on RedBoot functions).
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69
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70 2001-08-20 Jonathan Larmour <jlarmour@redhat.com>
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72 * src/net/eth_drv.c (eth_drv_send): Move endif location to fix build
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73 error.
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75 2001-08-17 Jonathan Larmour <jlarmour@redhat.com>
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76
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77 * cdl/eth_drivers.cdl (CYGSEM_IO_ETH_DRIVERS_DEBUG): Now booldata.
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78 * src/stand_along/eth_drv.c (eth_drv_tx_done): Use different
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79 value of CYGSEM_IO_ETH_DRIVERS_DEBUG for verbosity.
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80
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81 2001-08-14 Gary Thomas <gthomas@redhat.com>
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82
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83 * src/stand_alone/eth_drv.c (eth_drv_write):
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84 (eth_drv_tx_done):
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85 (eth_drv_read): Better handling of stacking (layering) of drivers.
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86 RedBoot (stand alone code) is designed to call into the eCos
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87 stack and these changes make sure that this is done properly
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88 nested/stacked. These changes also affect the behaviour positively
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89 for CR 902745-CR.
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90
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91 * src/net/eth_drv.c (eth_drv_send): Add locking of driver while
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92 actual hardware routines are involved. Since the same driver
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93 can be shared by both eCos and RedBoot, it is imperative that
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94 additional locking (in the form of locking the scheduler) be
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95 employed during this window to make sure that the hardware is
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96 handled in complete, consistent steps. This helps with known
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97 bug CR 902745-CR.
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98
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99 2001-08-09 Hugo Tyson <hmt@redhat.com>
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100
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101 * src/net/eth_drv.c (eth_drv_recv): Add a pair of
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102 CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP() on entry and exit;
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103 this function is intercalled between RedBoot and the application.
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104 A minor re-org at the ending to accommodate these macros' nesting.
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105 (eth_drv_tx_done): CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP().
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106
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107 * src/stand_alone/eth_drv.c (eth_drv_tx_done): Add a pair of
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108 CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP() on entry and exit;
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109 this function is intercalled between RedBoot and the application.
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110 Also make printing message about "tx_done for other key" also
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111 conditional on net_debug variable - it's commonplace.
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112 (eth_drv_recv): CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP().
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113 (eth_drv_copy_recv): CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP().
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114
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115 2001-07-03 Gary Thomas <gthomas@redhat.com>
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116
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117 * src/net/eth_drv.c (eth_drv_recv): Better cleanup when running
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118 out of mbufs - could have lost mbufs before.
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119
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120 2001-06-21 David Woodhouse <dwmw2@redhat.com>
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121
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122 * src/stand_alone/eth_drv.c: Timeout when waiting for Ethernet
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123 driver to finish sending packet.
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124 * src/stand_alone/eth_drv.c: Don't delay if it's ready immediately.
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125
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126 2001-06-11 Gary Thomas <gthomas@redhat.com>
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127
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128 * cdl/eth_drivers.cdl: Make debug default for RedBoot.
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129
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130 2001-05-22 Jonathan Larmour <jlarmour@redhat.com>
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132 * cdl/eth_drivers.cdl: New option: CYGSEM_IO_ETH_DRIVERS_PASS_PACKETS
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133 which replaces the static define in...
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134 * src/stand_alone_eth_drv.c: Rename ETH_DRV_PASS_PACKETS to
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135 new CDL option above.
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136 Also, ensure references to start_console/end_console are conditional
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137 on CYGSEM_IO_ETH_DRIVERS_DEBUG.
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138
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139 2001-05-22 Hugo Tyson <hmt@redhat.com>
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140 2001-05-22 Sanjay Bisen <Sanjay.Bisen@ascom.ch>
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141
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142 * src/net/eth_drv.c (eth_drv_recv): Patch from Sanjay at Ascom; it
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143 leaked one mbuf if you run out of clusters. Fix is simply to
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144 free m in addition to top.
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145
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146 * src/net/eth_drv.c (eth_drv_run_deliveries): Fixed a warning with
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147 an int cast in HAL_CTRLC_CHECK().
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148
156
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149 2001-03-21 Gary Thomas <gthomas@redhat.com>
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150
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151 * cdl/eth_drivers.cdl: Fewer buffers needed in stand-alone mode.
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152
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153 2001-03-12 Hugo Tyson <hmt@redhat.com>
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154
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155 * cdl/eth_drivers.cdl: Permit defines for
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156 CYGPKG_IO_ETH_DRIVERS_STAND_ALONE and CYGPKG_IO_ETH_DRIVERS_NET.
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157 The generic i82559 driver needs to know, unfortunately; it calls
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158 its own DSR directly to unblock after a lost interrupt. And you
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159 mustn't call the DSR under RedBoot == ....STAND_ALONE.
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160
149
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161 2001-01-15 Jesper Skov <jskov@redhat.com>
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162
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163 * src/net/eth_drv.c (eth_drv_init): Do not use enaddr if NULL.
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164
148
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165 2001-01-07 Gary Thomas <gthomas@redhat.com>
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166
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167 * cdl/eth_drivers.cdl: Add interface 'CYGPKG_NET_DRIVER_FRAMEWORK'
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168 to describe interdependencies between network stack and driver
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169 framework packages.
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170
147
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171 2001-01-04 Gary Thomas <gthomas@redhat.com>
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172
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173 * src/net/eth_drv.c (eth_drv_tx_done): Update count of Tx packets.
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174
145
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175 2000-12-11 Gary Thomas <gthomas@redhat.com>
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176
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177 * src/net/eth_drv.c (eth_drv_run_deliveries): Support ^C when
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178 using network based debug channel.
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179
143
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180 2000-12-02 Gary Thomas <gthomas@redhat.com>
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181
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182 * src/stand_alone/eth_drv.c (eth_drv_write): Debug: dump packet
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183 before calling hardware routine for improved usability.
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184
132
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185 2000-10-30 Gary Thomas <gthomas@redhat.com>
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186
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187 * include/eth_drv.h: Fix compile error in stand-alone mode.
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188
130
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189 2000-10-17 Hugo Tyson <hmt@redhat.com>
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190 2000-10-10 Andrew Lunn <Andrew.Lunn@ascom.ch>
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191 * cdl/eth_drivers.cdl: Add configury to disable the warnings about
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192 out of mbufs for receives.
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193
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194 * src/net/eth_drv.c: The changes required for the above.
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195
128
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196 2000-09-28 Hugo Tyson <hmt@redhat.com>
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197
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198 * src/net/eth_drv.c (eth_drv_run_deliveries): Remove race
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199 condition; a chance to deliver could be delayed until "next time"
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200 if the DSR snuck in just right.
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201
126
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202 2000-09-14 Hugo Tyson <hmt@redhat.com>
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203
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204 * cdl/eth_drivers.cdl: Add configury to control new features. All
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205 is controlled globally by CYGPKG_IO_ETH_DRIVERS_SIMULATED_FAILURES
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206 which is by default off, natch.
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207
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208 * src/net/eth_drv.c (simulate_fail): Implement simulated failures
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209 in ethernet packet delivery - independent tx and rx dropping and
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210 rx packet corruption. Also a "line break" drop-all feature.
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211
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212 2000-09-13 Gary Thomas <gthomas@redhat.com>
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213
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214 * src/stand_alone/eth_drv.c: Take out noisy dump when out of buffers.
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215
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216 2000-09-11 Hugo Tyson <hmt@cygnus.co.uk>
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217
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218 * src/stand_alone/eth_drv.c (eth_drv_write): If we timeout waiting
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219 for the write to complete, do reset the vectors to point to the
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220 application, rather just a bald "return".
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221
124
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222 2000-09-08 Hugo Tyson <hmt@cygnus.co.uk>
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223
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224 * include/netdev.h (NETDEVTAB_ENTRY): Work around feature of new
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225 version of CYG_HAL_TABLE_ENTRY() whereby no spaces are allowed.
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226
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227 2000-09-07 Jonathan Larmour <jlarmour@redhat.com>
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228
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229 * include/netdev.h (cyg_netdevtab_entry_t): Correct syntax for
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230 CYG_HAL_TABLE_TYPE
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231
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232 2000-09-04 Jonathan Larmour <jlarmour@redhat.com>
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233
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234 * include/netdev.h (cyg_netdevtab_entry_t): Apply CYG_HAL_TABLE_TYPE
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235
121
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236 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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237
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238 * src/stand_alone/eth_drv.c (eth_drv_dsr): New function, never
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239 called but maybe referenced in stand_alone context, which lets
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240 redboot work in the new world.
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241
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242 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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243
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244 * OVERVIEW: This is part of the change to the network stack to
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245 greatly reduce latencies both of (other) DSRs and of thread
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246 scheduling. All the work that the network stack *and* individual
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247 ether drivers used to do in DSRs (including alarm callbacks and
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248 data copies to/from the device memory) is moved into a "fast
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249 network thread" instead. It calls a device's "deliver" function
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250 to do the work that was previously in the DSR. This is a separate
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251 thread so that it can be set higher priority than application
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252 threads in order to minimize packet loss (depending on the
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253 driver), if required (the application threads presumed to be
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254 higher priority in turn than the network thread). A crucial
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255 consequence of this is that we are no longer locking against DSRs,
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256 so a plain mutex can be used rather than the global scheduler
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257 lock, thus simplifying all the splfoo/splx() style functions.
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258
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259 These changes WILL BREAK individual device drivers until they are
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260 updated AND the standalone logical ether driver in this component,
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261 until it is updated also.
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262
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263 * include/eth_drv.h (ETH_DRV_SC): Add "deliver" entry to struct
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264 eth_hwr_funs interface record; declare available DSR and flag for
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265 "needs delivery" in SC status field.
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266
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267 * src/net/eth_drv.c (eth_drv_run_deliveries): New function,
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268 performs callbacks to deliver funcs for all devs that want it.
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269 (eth_drv_dsr): New function, sets flag in sc and calls up to net
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270 stack to schedule the fast network thread.
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271 (eth_drv_send): No need to lock scheduler here.
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272
119
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273 2000-08-29 Gary Thomas <gthomas@redhat.com>
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274
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275 * src/stand_alone/eth_drv.c: Use null buffer, (char *)0,
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276 instead of wasting memory - low level drivers must be designed
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277 to handle this case.
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278
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279 2000-08-28 Gary Thomas <gthomas@redhat.com>
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280
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281 * src/stand_alone/eth_drv.c: Use new configuration parameters.
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282
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283 * cdl/eth_drivers.cdl: Add new configury to control number of
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284 internal buffers used by this layer. Also exposed some of the
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285 debug flags here.
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286
117
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287 2000-08-25 Hugo Tyson <hmt@cygnus.co.uk>
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288
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289 * include/eth_drv_stats.h (ether_drv_stats): A little further
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290 diddling; have a bool to say whether the dot3 info is filled in.
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291
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292 2000-08-24 Hugo Tyson <hmt@cygnus.co.uk>
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293
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294 * src/net/eth_drv.c (eth_drv_ioctl): Implement ioctl() calls.
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295 sockio.h numbers SIOCGIFSTATS and SIOCGIFSTATSUD map to
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296 ETH_DRV_GET_IF_STATS and ETH_DRV_GET_IF_STATS_UD respectively.
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297
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298 * include/eth_drv.h (ETH_DRV_GET_IF_STATS_UD): Add new device
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299 interface ioctl() numbers, to get the struct below filled in.
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300 Also pull in the definition include file (below).
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301
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302 * include/eth_drv_stats.h (ether_drv_stats): New file: Define
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303 common structure for ether devices to return stats info to higher
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304 up, via an ioctl() call. SNMP uses this.
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305
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306 2000-08-23 Gary Thomas <gthomas@redhat.com>
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307
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308 * src/stand_alone/eth_drv.c:
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309 * include/eth_drv.h: Low level drivers now need to export a
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310 function which returns the interrupt vector used by that interface.
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311 This allows outside code to determine this in a portable fashion.
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312
115
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313 2000-08-16 Gary Thomas <gthomas@redhat.com>
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314
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315 * src/stand_alone/eth_drv.c:
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316 * include/eth_drv.h: Clean up warnings (better protyping).
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317
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318 * src/stand_alone/eth_drv.c (eth_drv_write): Abandon sending
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319 packet if device goes not ready for a long time (in some cases,
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320 this is the only indication that the link is down).
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321
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322 2000-08-07 Gary Thomas <gthomas@redhat.com>
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323
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324 * src/net/eth_drv.c (eth_drv_recv): Add safety in case this gets
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325 called [from stand-alone code] while interface is not up.
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326
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327 * src/stand_alone/eth_drv.c:
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328 * include/eth_drv.h: Rework to more fully support mixed stand-alone
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329 and system (eCos) stacks.
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330
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331 2000-08-03 Gary Thomas <gthomas@redhat.com>
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332
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333 * cdl/eth_drivers.cdl: Reparent within I/O, not NET. This allows
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334 for stand-alone use as well as support for other stack implementations.
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335
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336 2000-07-28 Hugo Tyson <hmt@cygnus.co.uk>
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337
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338 * src/eth_drv.c (eth_drv_recv): Assert that the length we're asked
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339 to deal with is at least an ether header, and also be defensive in
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340 any case; discard small packets. [CASE 104206]
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341
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342 2000-07-26 Gary Thomas <gthomas@redhat.com>
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343
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344 * src/eth_drv.c:
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345 * include/eth_drv.h: Change interfaces used by hardware layer to
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346 be "soft" (pointers to functions). This will allow those drivers
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347 to be shared by applications and the ROM/debug environment.
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348
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349 2000-07-15 Gary Thomas <gthomas@redhat.com>
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350
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351 * include/eth_drv.h: Add [initial] extensions to let this
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352 layer work either in an eCos environment or stand-alone.
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353
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354 2000-07-11 Gary Thomas <gthomas@redhat.com>
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355
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356 * include/eth_drv.h: Add minimal PCMCIA support.
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357
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358 * src/eth_drv.c (eth_drv_netdev): New function - used to find the
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359 ethernet device info for PCMCIA devices.
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360
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361 2000-06-23 Hugo Tyson <hmt@cygnus.co.uk>
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362
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363 * src/eth_drv.c (eth_drv_send): Do not consume an SG entry for
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364 zero length data; tolerate overflow of the SG. Before this, pings
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365 of 6000 bytes crashed the system!
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366
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367 You can now set net_debug to 2 to get quieter output; 1 gives the
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368 whole packet dump as before.
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369
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370 * include/eth_drv.h (MAX_ETH_DRV_SG): Make this 16 so that an MTU
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371 made of all mbufs will not overflow.
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372
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373 2000-03-28 Gary Thomas <gthomas@redhat.com>
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374
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375 * src/eth_drv.c (eth_drv_recv): Tolerate running out of MBUFs
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376 instead of "panic"ing.
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377
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378 2000-03-08 Gary Thomas <gthomas@redhat.com>
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379
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380 * src/eth_drv.c: Add some function [block] comments.
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381 (eth_drv_send): Use eCos scheduler lock instead of interrupt lock.
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382
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383 2000-03-08 Hugo Tyson <hmt@cygnus.co.uk>
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384
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385 * doc/driver_doc: Add some clarification about what's called when,
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386 proofreading results, shorter lines so I can print it nicely.
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387
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388 2000-03-06 Gary Thomas <gthomas@redhat.com>
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389
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390 * src/eth_drv.c:
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391 * include/eth_drv.h:
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392 * doc/driver_doc: Remove generic "priv"ate references.
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393
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394 2000-02-29 Gary Thomas <gthomas@cygnus.co.uk>
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395
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396 * src/eth_drv.c:
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397 * include/eth_drv.h: New expanded API for hardware drivers.
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398
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399 2000-02-18 Gary Thomas <gthomas@cygnus.co.uk>
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400
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401 * src/eth_drv.c (eth_drv_send): Disable interrupts while initiating
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402 the buffer send - avoid a possible race.
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403
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404 2000-02-08 John Dallaway <jld@cygnus.co.uk>
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405
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406 * cdl/eth_drivers.cdl:
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407 Reparent under CYGPKG_NET and tidy display strings.
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408
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409 //===========================================================================
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410 //####COPYRIGHTBEGIN####
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411 //
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412 // -------------------------------------------
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413 // The contents of this file are subject to the Red Hat eCos Public License
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414 // Version 1.1 (the "License"); you may not use this file except in
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415 // compliance with the License. You may obtain a copy of the License at
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416 // http://www.redhat.com/
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417 //
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418 // Software distributed under the License is distributed on an "AS IS"
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419 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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420 // License for the specific language governing rights and limitations under
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421 // the License.
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422 //
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423 // The Original Code is eCos - Embedded Configurable Operating System,
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424 // released September 30, 1998.
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425 //
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426 // The Initial Developer of the Original Code is Red Hat.
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427 // Portions created by Red Hat are
182
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428 // Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
115
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429 // All Rights Reserved.
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430 // -------------------------------------------
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431 //
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432 //####COPYRIGHTEND####
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433 //===========================================================================
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434
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435
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436