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annotate packages/devs/eth/arm/ebsa285/current/ChangeLog @ 115:6ed91473a1cd ecos-sw-2000-08-21

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Merge from eCos master repository on 2000-08-21-22:40:54-BST
author jlarmour
date Fri, 25 Aug 2000 17:32:38 +0000
parents 02ea4320376c
children bd1a71e3e476
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115
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1 2000-08-15 Hugo Tyson <hmt@cygnus.co.uk>
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2
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3 * src/if_ebsa285.c (PacketRxReady): Put back the check for very
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4 small packets into the driver; the layer above checks for that
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5 (defensive programming) but only *after* asserting that the size
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6 is large enough, to help detect that scenario from other drivers.
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7 I believe we only have struct ether_header available if CYGPKG_NET
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8 but I could be wrong.
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9 [CASE 104353]
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10
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11 2000-08-08 Hugo Tyson <hmt@cygnus.co.uk>
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12
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13 * src/if_ebsa285.c (eth_set_promiscuous_mode):
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14 - ccs->config_bytes[18]=0x70;
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15 + ccs->config_bytes[18]=0x72; // Keep the Padding Enable bit
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16 ...otherwise short frame sends don't work in promisc mode.
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17 [CASE 104289]
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18
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19 2000-08-07 Gary Thomas <gthomas@redhat.com>
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21 * src/if_ebsa285.c (pciwindow_mem_alloc): Take out very noisy debug.
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22
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23 2000-08-03 Gary Thomas <gthomas@redhat.com>
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24
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25 * src/if_ebsa285.c: Changes for stand-alone mode.
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26
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27 * cdl/ebsa285_eth_drivers.cdl: Ethernet driver package hierarchy changed.
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28 Add option to control number of interfaces.
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29
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30 2000-07-28 Hugo Tyson <hmt@cygnus.co.uk>
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31
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32 * src/if_ebsa285.c (PacketRxReady): Do not attempt to forward
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33 short packets; eth_drv.c assumes there is at least a header there.
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34 (i82559_recv): Also be more careful and ASSERTive about -ve buffer
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35 sizes; be more defensive about sglists. [CASE 104206]
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36
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37 2000-07-26 Gary Thomas <gthomas@redhat.com>
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38
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39 * src/if_ebsa285.c: Update for new eth_drv interfaces.
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40
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41 2000-07-18 Hugo Tyson <hmt@cygnus.co.uk>
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42
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43 * src/if_ebsa285.c (i82559_poll): Fill in the flesh of this, it
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44 just calls ISR and DSR repeatedly.
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45 (i82559_start): Look in the device record for promiscuous mode
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46 flag; it should be passed though the common layer, but it's not
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47 [yet] - this change from Andrew Lunn/ASCOM. Also a fix and delay
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48 to the promisc mode code per se.
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49
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50 2000-07-17 Hugo Tyson <hmt@cygnus.co.uk>
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51
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52 * src/if_ebsa285.c (i82559_poll): New function, just to fill in
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53 the interface record; not used.
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55 2000-06-27 Hugo Tyson <hmt@cygnus.co.uk>
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56
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57 * cdl/ebsa285_eth_drivers.cdl: Add sesquipedalian option
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58 CYGDBG_DEVS_ETH_ARM_EBSA285_KEEP_82559_STATISTICS in (now)
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59 component CYGDBG_DEVS_ETH_ARM_EBSA285_KEEP_STATISTICS to control
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60 keeping (well, harvesting really) the i82559's internal stats.
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61 Reputedly, it doesn't service the net whilst this is happening, so
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62 it could be viewed a bad thing. Hence the option.
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63
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64 * include/ebsa285_info.h: Only describe the I82559_COUNTERS
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65 i82559_counters[2]; structs if full stats are to be kept.
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66
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67 * src/if_ebsa285.c (update_statistics): Only include this if full
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68 stats are to be kept.
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69
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70 2000-06-27 Hugo Tyson <hmt@cygnus.co.uk>
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71
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72 * src/if_ebsa285.c (ResetRxRing): Re-do the management of the
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73 RxRing; have an end-of-list flag (EL) in the last entry, and as
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74 you unload filled slots, drag it round after you.
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75
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76 2000-06-14 Hugo Tyson <hmt@cygnus.co.uk>
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77
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78 * cdl/ebsa285_eth_drivers.cdl: Add option to control statistics
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79 keeping.
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80
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81 * include/ebsa285_info.h: Act on it.
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82
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83 2000-06-13 Hugo Tyson <hmt@cygnus.co.uk>
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84
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85 * cdl/ebsa285_eth_drivers.cdl: Properly include the new header
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86 file and define symbols to allow client code to get at it without
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87 knowing the particular device driver name.
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88
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89 * include/ebsa285_info.h: New file: export various statistics
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90 information about the driver for use by monitoring and
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91 network-management systems. This requires exposing the
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92 (otherwise) internal structures of the driver.
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93
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94 * src/if_ebsa285.c: remove a lot of structure definitions &c that
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95 are now necessarily in the new header; add a couple of new
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96 routines which provide status and update statistics from the
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97 device into memory; tidy up control of whether stats-keeping is
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98 enabled.
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99
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100 2000-06-06 Hugo Tyson <hmt@cygnus.co.uk>
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101
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102 * cdl/ebsa285_eth_drivers.cdl (define_proc): Add #define of
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103 CYGDAT_DEVS_ETH_DESCRIPTION in the config file for information.
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104
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105 2000-05-12 Hugo Tyson <hmt@cygnus.co.uk>
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106
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107 * tests/test_net_realtime.h (tnr_print_activity): New routine to
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108 check the system is working, tidied up the API. It works!
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109
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110 2000-05-11 Hugo Tyson <hmt@cygnus.co.uk>
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111
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112 * cdl/ebsa285_eth_drivers.cdl: Added export of the test header
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113 below, and config opts for controlling EEPROM writing and all the
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114 status chatter as the device starts up.
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115
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116 * src/if_ebsa285.c: Reworked the code for reading and setting the
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117 EEPROM that holds the MAC address. This is very ugly, but now
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118 more reliable. Also tidied up printing cruft with neater
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119 configury, and made it an option (for safety) whether it's
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120 possible to write the EEPROM at all.
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121
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122 * tests/test_net_realtime.h: New file - it is intended to be used
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123 by networking tests to verify that latency is not compromised by
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124 the stack and driver. It's very platform specific, hence the
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125 location in here. This is a preliminary version only.
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126
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127 2000-04-27 Hugo Tyson <hmt@cygnus.co.uk>
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128
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129 * src/if_ebsa285.c: A serious re-write. This cuts out a lot of
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130 code from the old version and improves the performance greatly.
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131
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132 The cruft was mainly doing lots of explicit event communication
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133 between the ISR and DSR, when in fact all the state needed is
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134 present in the tx/rx rings. So both ISRs and DSRs regard their
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135 call as an opportunity to progress everything they can, rather
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136 than only dealing with one interrupt cause at a time; the
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137 connection between them is now rather looser.
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138
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139 Interrups can now be re-enabled after the ISR (in other words they
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140 are not masked in the ISR), no need to wait for the DSR, but in
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141 consequence some DSR code must mask/unmask intrs as it works.
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142
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143 The 82559 appears to be a little slow in reacting to commands and
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144 state changes, so some interrupts were being lost - or persisting
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145 beyond their desired life - so there's some kinda polling code to
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146 deal with that also. We also rely on the foreground to kind of
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147 poll in the same way, in the send/can_send calls - we know the
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148 stack will re-try if necessary, though this is rare.
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149
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150 The driver now works (albeit at much reduced performance) with as
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151 few as 6 rx and tx buffers - in other words the "queue full/out of
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152 rx buffers" states have been tested and all is well. It works
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153 generally fine with 8 buffers of each kind.
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154
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155 The mux ISR and DSR are now rather more polled than the old
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156 versions; we just try to do things with both devices (if active)
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157 by simply calling each unitary ISR/DSR respectively.
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158
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159 I also re-ordered some of the code, moving utilities to the end of
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160 the file and grouping together Tx and Rx machines a bit better.
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161
82
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162 2000-04-13 Hugo Tyson <hmt@cygnus.co.uk>
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163
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164 * src/if_ebsa285.c: Attribution to Ron Spence, Pacific Softworks
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165 added as a contributor.
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166
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167 2000-04-07 Hugo Tyson <hmt@cygnus.co.uk>
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168
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169 * ecos.db: Re-organize device packages. This is a massive change
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170 involving deleting all the sources for serial and ethernet drivers
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171 from where they used to live in
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172 packages/io/serial/current/src/ARCH/PLATFORM.[ch]
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173 packages/net/drivers/eth/PLATFORM/current/src/...
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174 and reinstating them in
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175 packages/devs/serial/ARCH/PLATFORM/current/src/...
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176 packages/devs/eth/ARCH/PLATFORM/current/src/...
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177
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178 All these new packages are properly defined in ecos.db, and are
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179 all of type "hardware" so that a "target" can grab them.
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180
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181 This directory layout is descriptive of the devices we have right
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182 now, arch and platform are separate levels just to make it easier
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183 to navigate in the filesystem and similar to the HAL structure in
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184 the filesystem.
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185
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186 It is *not* prescriptive of future work; for example, the mythical
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187 common highly-portable 16550 serial driver which works on many
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188 targets would be called "devs/serial/s16550/current", or a serial
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189 device for a particular board (cogent springs to mind) that can
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190 work with different CPUs fitted is "devs/serial/cogent/current".
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191
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192 Changelogs have been preserved and replicated over all the new
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193 packages, so that no history is lost.
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194
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195 The contents of individual source files are unchanged; they build
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196 in just the same emvironment except for a very few cases where the
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197 config file name changed in this movement.
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198
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199 Targets in ecos.db have been redefined to bring in all relevant
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200 hardware packages including net and serial drivers (but the newly
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201 included packages are only active if their desired parent is
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202 available.)
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203
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204 The names of CDL options (and their #defines of course) stay the
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205 same for the serial drivers, for backward compatibility.
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206
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207 * templates/*/current.ect: these have had CYGPKG_IO_SERIAL added
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208 rather than it being in (almost) all target definitions.
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209
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210 2000-03-29 Hugo Tyson <hmt@cygnus.co.uk>
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211
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212 * src/if_ebsa285.c (i82559_recv): Be happy with NULLs in the
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213 SGlist; it means the caller is out of memory so drop the packet on
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214 the floor. Also remove a completely redundant test.
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215
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216 2000-03-06 Hugo Tyson <hmt@cygnus.co.uk>
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217
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218 * src/if_ebsa285.c (i82559_can_send): Update net driver to new
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219 interface style. This is incomplete wrt promiscuous mode, but
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220 that's probably about all.
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221
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222 2000-02-14 Gary Thomas <gthomas@cygnus.co.uk>
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223
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224 * cdl/ebsa285_eth_drivers.cdl: Update CDL to indicate multiple
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225 interface support.
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226
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227 2000-02-14 Hugo Tyson <hmt@cygnus.co.uk>
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228
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229 * src/if_ebsa285.c (pci_init_find_82559s): Tidy comments somewhat
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230 and set debug and stats collecting defines to most friendly
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231 settings.
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232
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233 2000-02-10 Hugo Tyson <hmt@cygnus.co.uk>
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234
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235 * src/if_ebsa285.c (PacketRxReady): Fix bug; current descriptor
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236 was not being write back for the callback to use. Hence asserts
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237 on state of rfd were firing in busy times - that leading rfd had
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238 already been drained.
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239
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240 Also rationalized meaning of DEBUG printy symbols a bit - it's now
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241 chatty during startup/foreground manipulations but not in any
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242 performance related activities ie. rx or tx.
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243
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244 2000-02-09 John Dallaway <jld@cygnus.co.uk>
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245
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246 * cdl/ebsa285_eth_drivers.cdl:
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247
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248 Reparent under CYGPKG_NET_ETH_DRIVERS and tidy display strings.
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249
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250 2000-02-08 Hugo Tyson <hmt@cygnus.co.uk>
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251
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252 * src/if_ebsa285.c: New File.
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253 * cdl/ebsa285_eth_drivers.cdl: New File.
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254
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255 Initial Checkin of EBSA285 Ethernet driver.
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256
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257 It's one monolithic file at present, and should be split up into a
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258 more generic Intel 82559 driver plus platform-specific parts (PCI
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259 et al) plus eCos/Red-Hat-BSD-stack parts.
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260
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261 //===========================================================================
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262 //####COPYRIGHTBEGIN####
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263 //
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264 // -------------------------------------------
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265 // The contents of this file are subject to the Red Hat eCos Public License
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266 // Version 1.1 (the "License"); you may not use this file except in
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267 // compliance with the License. You may obtain a copy of the License at
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268 // http://www.redhat.com/
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269 //
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270 // Software distributed under the License is distributed on an "AS IS"
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271 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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272 // License for the specific language governing rights and limitations under
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273 // the License.
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274 //
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275 // The Original Code is eCos - Embedded Configurable Operating System,
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276 // released September 30, 1998.
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277 //
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278 // The Initial Developer of the Original Code is Red Hat.
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279 // Portions created by Red Hat are
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280 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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281 // All Rights Reserved.
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282 // -------------------------------------------
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283 //
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284 //####COPYRIGHTEND####
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285 //===========================================================================
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286
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