Mercurial > flash_v2

annotate packages/io/eth/current/ChangeLog @ 121:6bd9d475ed4b ecos-sw-2000-09-04

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Merge from eCos master repository on 2000-09-04-20:50:20-BST
author jlarmour
date Mon, 04 Sep 2000 20:24:12 +0000
parents 77cec8369160
children 0ec04793409a
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121
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1 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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2
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3 * src/stand_alone/eth_drv.c (eth_drv_dsr): New function, never
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4 called but maybe referenced in stand_alone context, which lets
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5 redboot work in the new world.
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6
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7 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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8
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9 * OVERVIEW: This is part of the change to the network stack to
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10 greatly reduce latencies both of (other) DSRs and of thread
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11 scheduling. All the work that the network stack *and* individual
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12 ether drivers used to do in DSRs (including alarm callbacks and
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13 data copies to/from the device memory) is moved into a "fast
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14 network thread" instead. It calls a device's "deliver" function
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15 to do the work that was previously in the DSR. This is a separate
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16 thread so that it can be set higher priority than application
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17 threads in order to minimize packet loss (depending on the
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18 driver), if required (the application threads presumed to be
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19 higher priority in turn than the network thread). A crucial
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20 consequence of this is that we are no longer locking against DSRs,
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21 so a plain mutex can be used rather than the global scheduler
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22 lock, thus simplifying all the splfoo/splx() style functions.
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23
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24 These changes WILL BREAK individual device drivers until they are
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25 updated AND the standalone logical ether driver in this component,
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26 until it is updated also.
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27
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28 * include/eth_drv.h (ETH_DRV_SC): Add "deliver" entry to struct
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29 eth_hwr_funs interface record; declare available DSR and flag for
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30 "needs delivery" in SC status field.
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31
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32 * src/net/eth_drv.c (eth_drv_run_deliveries): New function,
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33 performs callbacks to deliver funcs for all devs that want it.
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34 (eth_drv_dsr): New function, sets flag in sc and calls up to net
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35 stack to schedule the fast network thread.
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36 (eth_drv_send): No need to lock scheduler here.
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37
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38 2000-08-29 Gary Thomas <gthomas@redhat.com>
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39
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40 * src/stand_alone/eth_drv.c: Use null buffer, (char *)0,
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41 instead of wasting memory - low level drivers must be designed
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42 to handle this case.
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43
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44 2000-08-28 Gary Thomas <gthomas@redhat.com>
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45
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46 * src/stand_alone/eth_drv.c: Use new configuration parameters.
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47
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48 * cdl/eth_drivers.cdl: Add new configury to control number of
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49 internal buffers used by this layer. Also exposed some of the
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50 debug flags here.
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52 2000-08-25 Hugo Tyson <hmt@cygnus.co.uk>
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53
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54 * include/eth_drv_stats.h (ether_drv_stats): A little further
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55 diddling; have a bool to say whether the dot3 info is filled in.
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56
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57 2000-08-24 Hugo Tyson <hmt@cygnus.co.uk>
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58
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59 * src/net/eth_drv.c (eth_drv_ioctl): Implement ioctl() calls.
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60 sockio.h numbers SIOCGIFSTATS and SIOCGIFSTATSUD map to
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61 ETH_DRV_GET_IF_STATS and ETH_DRV_GET_IF_STATS_UD respectively.
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62
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63 * include/eth_drv.h (ETH_DRV_GET_IF_STATS_UD): Add new device
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64 interface ioctl() numbers, to get the struct below filled in.
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65 Also pull in the definition include file (below).
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66
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67 * include/eth_drv_stats.h (ether_drv_stats): New file: Define
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68 common structure for ether devices to return stats info to higher
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69 up, via an ioctl() call. SNMP uses this.
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70
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71 2000-08-23 Gary Thomas <gthomas@redhat.com>
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72
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73 * src/stand_alone/eth_drv.c:
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74 * include/eth_drv.h: Low level drivers now need to export a
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75 function which returns the interrupt vector used by that interface.
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76 This allows outside code to determine this in a portable fashion.
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77
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78 2000-08-16 Gary Thomas <gthomas@redhat.com>
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79
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80 * src/stand_alone/eth_drv.c:
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81 * include/eth_drv.h: Clean up warnings (better protyping).
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82
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83 * src/stand_alone/eth_drv.c (eth_drv_write): Abandon sending
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84 packet if device goes not ready for a long time (in some cases,
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85 this is the only indication that the link is down).
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86
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87 2000-08-07 Gary Thomas <gthomas@redhat.com>
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88
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89 * src/net/eth_drv.c (eth_drv_recv): Add safety in case this gets
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90 called [from stand-alone code] while interface is not up.
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91
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92 * src/stand_alone/eth_drv.c:
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93 * include/eth_drv.h: Rework to more fully support mixed stand-alone
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94 and system (eCos) stacks.
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95
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96 2000-08-03 Gary Thomas <gthomas@redhat.com>
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97
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98 * cdl/eth_drivers.cdl: Reparent within I/O, not NET. This allows
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99 for stand-alone use as well as support for other stack implementations.
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100
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101 2000-07-28 Hugo Tyson <hmt@cygnus.co.uk>
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102
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103 * src/eth_drv.c (eth_drv_recv): Assert that the length we're asked
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104 to deal with is at least an ether header, and also be defensive in
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105 any case; discard small packets. [CASE 104206]
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106
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107 2000-07-26 Gary Thomas <gthomas@redhat.com>
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108
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109 * src/eth_drv.c:
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110 * include/eth_drv.h: Change interfaces used by hardware layer to
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111 be "soft" (pointers to functions). This will allow those drivers
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112 to be shared by applications and the ROM/debug environment.
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113
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114 2000-07-15 Gary Thomas <gthomas@redhat.com>
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115
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116 * include/eth_drv.h: Add [initial] extensions to let this
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117 layer work either in an eCos environment or stand-alone.
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118
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119 2000-07-11 Gary Thomas <gthomas@redhat.com>
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120
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121 * include/eth_drv.h: Add minimal PCMCIA support.
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122
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123 * src/eth_drv.c (eth_drv_netdev): New function - used to find the
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124 ethernet device info for PCMCIA devices.
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125
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126 2000-06-23 Hugo Tyson <hmt@cygnus.co.uk>
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127
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128 * src/eth_drv.c (eth_drv_send): Do not consume an SG entry for
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129 zero length data; tolerate overflow of the SG. Before this, pings
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130 of 6000 bytes crashed the system!
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131
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132 You can now set net_debug to 2 to get quieter output; 1 gives the
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133 whole packet dump as before.
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134
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135 * include/eth_drv.h (MAX_ETH_DRV_SG): Make this 16 so that an MTU
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136 made of all mbufs will not overflow.
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137
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138 2000-03-28 Gary Thomas <gthomas@redhat.com>
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139
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140 * src/eth_drv.c (eth_drv_recv): Tolerate running out of MBUFs
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141 instead of "panic"ing.
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142
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143 2000-03-08 Gary Thomas <gthomas@redhat.com>
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144
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145 * src/eth_drv.c: Add some function [block] comments.
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146 (eth_drv_send): Use eCos scheduler lock instead of interrupt lock.
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147
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148 2000-03-08 Hugo Tyson <hmt@cygnus.co.uk>
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149
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150 * doc/driver_doc: Add some clarification about what's called when,
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151 proofreading results, shorter lines so I can print it nicely.
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152
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153 2000-03-06 Gary Thomas <gthomas@redhat.com>
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154
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155 * src/eth_drv.c:
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156 * include/eth_drv.h:
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157 * doc/driver_doc: Remove generic "priv"ate references.
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158
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159 2000-02-29 Gary Thomas <gthomas@cygnus.co.uk>
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160
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161 * src/eth_drv.c:
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162 * include/eth_drv.h: New expanded API for hardware drivers.
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163
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164 2000-02-18 Gary Thomas <gthomas@cygnus.co.uk>
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165
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166 * src/eth_drv.c (eth_drv_send): Disable interrupts while initiating
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167 the buffer send - avoid a possible race.
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168
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169 2000-02-08 John Dallaway <jld@cygnus.co.uk>
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170
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171 * cdl/eth_drivers.cdl:
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172 Reparent under CYGPKG_NET and tidy display strings.
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173
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174 //===========================================================================
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175 //####COPYRIGHTBEGIN####
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176 //
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177 // -------------------------------------------
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178 // The contents of this file are subject to the Red Hat eCos Public License
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179 // Version 1.1 (the "License"); you may not use this file except in
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180 // compliance with the License. You may obtain a copy of the License at
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181 // http://www.redhat.com/
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182 //
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183 // Software distributed under the License is distributed on an "AS IS"
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184 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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185 // License for the specific language governing rights and limitations under
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186 // the License.
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187 //
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188 // The Original Code is eCos - Embedded Configurable Operating System,
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189 // released September 30, 1998.
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190 //
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191 // The Initial Developer of the Original Code is Red Hat.
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192 // Portions created by Red Hat are
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193 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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194 // All Rights Reserved.
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195 // -------------------------------------------
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196 //
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197 //####COPYRIGHTEND####
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198 //===========================================================================
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199
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200
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201