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annotate packages/devs/eth/intel/i82559/current/ChangeLog @ 159:511f4dc167f6

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Merge from eCos master repository on 2001-05-18-01:30:05-BST
author jlarmour
date Fri, 18 May 2001 06:32:28 +0000
parents f2545e5de153
children 0d2b193a635f
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159
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1 2001-05-16 Jonathan Larmour <jlarmour@redhat.com>
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2
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3 * src/if_i82559.c (udelay): Use virtual vector rather than assuming
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4 hal_delay_us() exists.
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5
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6 2001-04-09 Hugo Tyson <hmt@redhat.com>
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7
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8 * src/if_i82559.c (pciwindow_mem_alloc): If asked, by
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9 CYGHWR_DEVS_ETH_INTEL_I82559_PCIMEM_DISCONTIGUOUS, check for
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10 breaks in the physical address of PCI window memory, and discard
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11 any block with a break in it, then redo the alloc. This is for
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12 targets where smaller SDRAM chips are fitted than the address
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13 width, so they end up with gaps in (physical) memory.
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14
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15 2001-04-09 Hugo Tyson <hmt@redhat.com>
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16
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17 * src/if_i82559.c (i82559_init): Support hardware with only one
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18 serial EEPROM attached to one device, but multiple devices. This
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19 generally involves moving some decisions for eg. programming
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20 EEPROM or not, optionally from compiletime to runtime. Improved
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21 the diagnostics a bit also, and fixed some bugs.
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22 (eth_set_mac_address): now takes an arg to say whether we want to
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23 program the EEPROM, or are just setting up the chip.
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24 (i82559_ioctl): This is the only place we set that arg to write
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25 the EEPROM, startup never tries to write EEPROM from any external
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26 source such as configured ESA or RedBoot params.
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27
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28 2001-04-09 Hugo Tyson <hmt@redhat.com>
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29
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30 * src/if_i82559.c (i82559_start): Warnings fixed; unused vars
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31 following previous change.
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32
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33 2001-04-09 Hugo Tyson <hmt@redhat.com>
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34
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35 * src/if_i82559.c (i82559_start): Do not wait for command
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36 completion after the initial DUMPSTATS operation. The code to
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37 wait was bogus; it was looking at the structure in the wrong way.
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38 In any case, there is no need to wait, the wait_for_cmd_done() in
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39 any following activity is good enough.
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40
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41 2001-03-28 Hugo Tyson <hmt@redhat.com>
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42
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43 * src/if_i82559.c (update_statistics): Fix warning - only declare
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44 op_i82559 if we use it - from previous change.
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45
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46 2001-03-23 Hugo Tyson <hmt@redhat.com>
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47
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48 * src/if_i82559.c (i82559_can_send, i82559_send): Count up and
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49 down entries into these routines, and always say "no" to
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50 can_send() if we are recursing, ie. within_send != 0. This is a
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51 good idea because it limits stack usage. The recursion happens
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52 because of the very neccessary polling of rx state within the tx
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53 routines - which can deliver packets up into the stack, which can
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54 trigger a response tx and so on... Also fixed a harmless bug
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55 where, after polling, the p_i82559 current device state pointer
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56 pointer to the wrong device, if we polled both devs regardless; it
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57 only caused problems with the within_send recursion count.
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58
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59 * include/i82559_info.h (I82559): Add within_send field.
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60
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61 2001-03-15 Hugo Tyson <hmt@redhat.com>
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62
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63 * src/if_i82559.c (i82559_init): Support external macro
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64 CYGHWR_DEVS_ETH_INTEL_I82559_GET_ESA(...), which if defined, is
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65 used to acquire a MAC address, on the assumption that there is no
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66 EEPROM present. CYGHWR_DEVS_ETH_INTEL_I82559_HAS_NO_EEPROM
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67 confirms that there is no EEPROM attached to the 82559(s) so we
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68 can omit all that code. It's in the negative sense because it's
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69 the unusual case.
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70
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71 2001-03-13 Hugo Tyson <hmt@redhat.com>
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72
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73 * src/if_i82559.c (CYGHWR_DEVS_ETH_INTEL_I82559_DEMUX_ALL): Fully
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74 enable "DEMUX_ALL" option; all devices are scanned for
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75 activity/wedging/interrupts at every opportunity. Multiple
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76 devices on the same interrupts are now supported.
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77
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78 2001-03-12 Hugo Tyson <hmt@redhat.com>
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79
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80 * src/if_i82559.c (i82559_configure): New routine combines actions
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81 of eth_set_promiscuous_mode() and eth_set_config() both of which
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82 disappear. Thus the device is always configured correctly from
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83 the start. [from a patch from Martin Buck <martin.buck@ascom.ch>
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84 via the EBSA285 driver]
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85 (eth_dsr): Do not call upper layer unless we are in a networked
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86 [non-RedBoot, non-polled] environment. This is necessary because
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87 we call our own DSR from foreground to unstick after a lost
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88 interrupt.
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89 (find_82559s_match_func): New routine to discover disparate
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90 devices on the PCI bus. Used in pci_init_find_82559s().
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91 (dump_txcb): Various junk debug functions removed.
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92
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93 2001-03-12 Hugo Tyson <hmt@redhat.com>
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94
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95 * src/if_i82559.c: Some tidying up, and two main additions to the
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96 mechanisms used for managing this nasty entomological device.
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97 (i82559_can_send): [amongst other places] if it is defined, use
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98 CYGHWR_DEVS_ETH_INTEL_I82559_MISSED_INTERRUPT(p_i82559) to detect
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99 that we missed an interrupt - and if so, call the ISR and DSR
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100 directly. This is necessary for edge-triggered interrupt
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101 controllers being fed by this level-sending device, where an
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102 internal event in the device can keep the line low after the code
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103 thinks that all events have been handled.
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104 (Check82559TxLockupTimeout): This routine runs a timeout (if the
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105 HAL provides a pair of watchdog-like macros) which performs a
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106 selective reset of the device if it takes too long to transmit.
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107 This happens rarely, but when it happens this is the only way out;
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108 the tx machine is fixated on one tx and never comes out of it.
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109
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110
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111 Sadly these two techniques to escape lockup only work if the
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112 driver is called (ie. the stack tries to tx); incoming packets
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113 cannot unwedge a device. We might need to add a poll from the
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114 stack in future if this causes problems.
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115
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116 * include/i82559_info.h (I82559): Added two words for managing tx
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117 lockup timeouts since this must be per-device.
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118
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119 2001-03-02 Hugo Tyson <hmt@redhat.com>
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120
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121 * src/if_i82559.c: Remove "Platform specific - defaults provided"
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122 definitions for CYGHWR_INTEL_I82559_PCI_MEM_MAP_BASE/SIZE; all
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123 platforms now provide these.
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124 Added a little further disclaimer to the comment about LE/BE/GE.
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125
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126 2001-03-01 Hugo Tyson <hmt@redhat.com>
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127
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128 * src/if_i82559.c: Global change: what was HAL_READ_UINTxx or
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129 HAL_WRITE_UINTxx are now READMEMxx or WRITEMEMxx - just
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130 convenience macros that do all the volatile casts we want there.
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131 Definitions of INL, INW, INB and OUTL, OUTW, OUTB recast in terms
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132 of HAL_READ_UINTxx or HAL_WRITE_UINTxx so that they will use
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133 proper IO operations on those CISCy mainframes that have a special
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134 way of doing IO.
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135
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136 2001-03-01 Hugo Tyson <hmt@redhat.com>
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137
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138 * src/if_i82559.c: Much more configury added, so that I can use it
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139 with a new target board. Including, but not limited to:
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140
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141 o An essay about addressing, big endian, little endian and GIB
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142 endian (sic) and how we treat the various types of access within
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143 this module. In other words, a lot of comments.
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144
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145 o CYGNUM_DEVS_ETH_INTEL_I82559_SEPARATE_MUX_INTERRUPT to clarify
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146 that such an interrupt is SEPARATE from any simplex intrs that are
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147 also available.
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148
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149 o CYGHWR_DEVS_ETH_INTEL_I82559_DEMUX_ALL for hardware where the
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150 the only interrupt is a multiplexed (wire or'd) one. Plus
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151 associated macros for direct manipulation of interrupt masks and
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152 acknowledgments.
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153
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154 o Support for external definition from the platform HAL or driver
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155 config module of CYGHWR_INTEL_I82559_PCI_MEM_MAP_BASE and SIZE.
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156 Also CYGHWR_INTEL_I82559_PCI_VIRT_TO_BUS.
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157
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158 o LE definitions of a few macros that were missing.
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159
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160 o Separated definitions of structure offsets from BE/LE
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161 definitions of consts within the words. Offsets vary with GIB
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162 endian, for those CPUs who just flip bits. No change for BE
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163 machines, needed for LE machines to work. To enable address-flip
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164 within structures, define CYG_ADDRESSING_IS_GIBENDIAN.
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165
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166 o Re-org of mux/simplex deliver and isr's for new configuration.
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167
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168 o Couple of extra debug printouts.
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169
151
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170 2001-01-26 Jesper Skov <jskov@redhat.com>
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171
156
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172 * src/if_i82559.c: Added FIXME for promiscuous mode.
151
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173
150
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174 2001-01-25 Jesper Skov <jskov@redhat.com>
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175
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176 * src/if_i82559.c: Replace CYGNUM_HAL_INTERRUPT_PCI_IRQ with
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177 CYGNUM_DEVS_ETH_INTEL_I82559_MUX_INTERRUPT which platform .inl
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178 must provide when appropriate. Changed _deliver functions to match
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179 _isr functions.
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180 * include/i82559_info.h: Remove debug hacks.
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181 Fix declaration.
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182
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183 * src/if_i82559.c: Moved device descriptors into platform header.
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184 Allow individual devices to hardwire ESA. Handle N devices instead
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185 of just 1 or 2.
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186 * include/i82559_info.h: ESA hardwired flag added.
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187 * cdl/intel_i82559_eth_drivers.cdl: Device details moved to
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188 platform CDL.
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189
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190 * src/if_i82559.c (i82559_start): Poll status after dump command.
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191
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192 2001-01-24 Jesper Skov <jskov@redhat.com>
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193
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194 * src/if_i82559.c: [changes from yesterday] Some more endian
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195 fiddle, and the device coughs out the initial ARP packets.
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196 (wait_for_cmd_done): semantics changed to wait for pending CU
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197 cmds.
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198 (i82559_reset): Cleaned up to spec. Init register bases after
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199 reset.
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200 Fix initialization of hardwired ESA.
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201 Correct configuration command.
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202 Fix rcv len masking.
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203 (eth_set_mac_address): Set driver's ESA as well. Proper check for
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204 completion.
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205 Fix LE structure offsets.
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206 (i82559_start): Call new eth_set_config to enable device. Last
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207 hacks cleaned up.
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208 Remove a few printfs.
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209
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210 2001-01-23 Jesper Skov <jskov@redhat.com>
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211
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212 * src/if_i82559.c: Debug hackery and some endian issues resolved.
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213
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214 2001-01-22 Jesper Skov <jskov@redhat.com>
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215
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216 * src/if_i82559.c: Major changes, getting rid of device structures
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217 in favor of HAL IO accessor macros. Also added endian conversion
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218 macros where required.
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219 * include/i82559_info.h: Change type of device structures to char.
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220
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221 2001-01-19 Jesper Skov <jskov@redhat.com>
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222
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223 * cdl/intel_i82559_eth_drivers.cdl: Hack for just one interface
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224 now.
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225 * src/if_i82559.c: Fix IO functions. Handle EEPROM not being
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226 attached to device.
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227
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228 * src/if_i82559.c: Use uncached/physical address translation
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229 macros.
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230
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231 2001-01-15 Jesper Skov <jskov@redhat.com>
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232
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233 * src/if_i82559.c: Handle endian differences between controller
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234 and CPU. Leave usdelay to HAL. Hack around PCI-base-at-0
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235 assumption.
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236 Increase SK_DELAY (not that it changed anything, but now it's to
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237 the spec), hardwire static ESA.
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238
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239 2001-01-12 Jesper Skov <jskov@redhat.com>
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240
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241 * src/if_i82559.c (pci_init_find_82559s): Check that device has
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242 been found before accessing it.
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243 (pci_init_find_82559s): Only delay if devices were
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244 found. Recognize 82559ER code as well.
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245
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246 2001-01-10 Jesper Skov <jskov@redhat.com>
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247
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248 * src/if_i82559.c: Minor hacks to get it to build.
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249 * include/i82559_info.h: Same.
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250 * cdl/intel_i82559_eth_drivers.cdl: Same.
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251
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252 2000-12-07 Jesper Skov <jskov@redhat.com>
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253
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254 * cdl/intel_i82559_eth_drivers.cdl: Cloned from the EBSA driver.
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255 * include/i82559_info.h: Same.
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256 * src/if_i82559.c: Same.
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257
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258 2000-11-19 Gary Thomas <gthomas@redhat.com>
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259
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260 * src/if_ebsa285.c (pci_init_find_82559s): Intel has at least
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261 two devices equivalent to the 82559. Support both (0x1229, 0x01030).
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262
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263 2000-10-05 Hugo Tyson <hmt@redhat.com>
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264
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265 * src/if_ebsa285.c: Deal with device interrupts in a nested
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266 fashion - disable/restore is the semantics now, rather than
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267 unconditionally unmasking. Also go directly to the 21285 PIC's
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268 interrupt control registers to gain atomicity for these. Poll for
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269 ready received packets when acknowledging an interrupt in the
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270 tranmitting world; a race here could lose an Rx interrupt. Which
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271 doesn't matter on a busy system, but in quieter times... there
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272 will always be such a race because of the vague way the i82559's
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273 status bits reflect how it's yanking the interrupt line; you have
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274 to poll until the interrupt is gone before returning else spurious
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275 interrupt failures occur. The issue is to close the window as
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276 tightly as possible, which this change achieves at a minor cost in
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277 performance - because of the time spent polling when not required.
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278
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279 2000-09-11 Hugo Tyson <hmt@cygnus.co.uk>
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280
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281 * src/if_ebsa285.c (i82559_poll): Only diddle the interface we
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282 were asked to. This is more correct in terms of the intent of the
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283 API, though it shouldn't really be necessary.
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284
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285 2000-09-06 Hugo Tyson <hmt@cygnus.co.uk>
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286
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287 * src/if_ebsa285.c (pci_init_find_82559s): Add asserts and an
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288 unconditional check that the PCI window as configured matches the
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289 address and size of the pci_window region from the MLT. This is
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290 here because at present the MLT and CT cannot intercommunicate
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291 enough. The separation of the PCI window is needed because
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292 otherwise the malloc heap will eat all memory. [This is related
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293 to CR 902624-CR, "MLT needs to be configuration aware"]
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294
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295 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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296
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297 * OVERVIEW: This is part of the change to the network stack to
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298 greatly reduce latencies both of (other) DSRs and of thread
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299 scheduling. All the work that the network stack *and* individual
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300 ether drivers used to do in DSRs (including alarm callbacks and
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301 data copies to/from the device memory) is moved into a "fast
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302 network thread" instead. It calls a device's "deliver" function
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303 to do the work that was previously in the DSR. This is a separate
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304 thread so that it can be set higher priority than application
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305 threads in order to minimize packet loss (depending on the
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306 driver), if required (the application threads presumed to be
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307 higher priority in turn than the network thread). A crucial
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308 consequence of this is that we are no longer locking against DSRs,
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309 so a plain mutex can be used rather than the global scheduler
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310 lock, thus simplifying all the splfoo/splx() style functions.
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311
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312 * src/if_ebsa285.c: Minor: fix the big assert in i82559_send()
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313 which suffered a race condition when called from the fast thread
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314 rather than from a DSR. Major: Add a "deliver" entry to the
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315 interface record for the "fast thread" implementation of the
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316 network internal comms system. Provide a pass-up DSR to the
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317 logical ether driver's DSR and appropriate delivery routine(s).
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318 i82559_poll() now calls i82559_deliver() rather than the DSR. Add
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319 valid data for mux'd DSR to pass on up.
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320
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321 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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322
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323 * tests/test_net_realtime.h: Tighten up the latency requirements
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324 by a factor of 5; it all seems happy, so committed.
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325
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326 2000-08-25 Hugo Tyson <hmt@cygnus.co.uk>
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327
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328 * src/if_ebsa285.c (i82559_ioctl): A little further diddling; have
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329 a bool to say whether the dot3 info is filled in.
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330
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331 2000-08-24 Hugo Tyson <hmt@cygnus.co.uk>
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332
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333 * cdl/ebsa285_eth_drivers.cdl: Do not export a symbol for the
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334 device info file (include/ebsa285_info.h) since nobody needs
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335 (portably) to include it now.
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336
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337 * src/if_ebsa285.c (i82559_ioctl): Handle new ioctl calls
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338 ETH_DRV_GET_IF_STATS_UD and ETH_DRV_GET_IF_STATS to get loads of
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339 statistical information out. _UD means update. The nonUD one can
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340 be used instead mostly, if we find the performance hit too large.
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341 This should allow SNMP (a) to not explode, (b) to get useful info
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342 out of other device implementations than this one.
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343
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344 * include/ebsa285_info.h: Remove all the macro cruft for feature
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345 detecting of lots of individual statistics; we now just have a
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346 catch-all struct that SNMP uses, defined in the common ether
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347 driver environment.
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348
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349 2000-08-15 Hugo Tyson <hmt@cygnus.co.uk>
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350
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351 * src/if_ebsa285.c (PacketRxReady): Put back the check for very
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352 small packets into the driver; the layer above checks for that
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353 (defensive programming) but only *after* asserting that the size
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354 is large enough, to help detect that scenario from other drivers.
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355 I believe we only have struct ether_header available if CYGPKG_NET
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356 but I could be wrong.
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357 [CASE 104353]
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358
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359 2000-08-08 Hugo Tyson <hmt@cygnus.co.uk>
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360
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361 * src/if_ebsa285.c (eth_set_promiscuous_mode):
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362 - ccs->config_bytes[18]=0x70;
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363 + ccs->config_bytes[18]=0x72; // Keep the Padding Enable bit
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364 ...otherwise short frame sends don't work in promisc mode.
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365 [CASE 104289]
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366
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367 2000-08-07 Gary Thomas <gthomas@redhat.com>
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368
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369 * src/if_ebsa285.c (pciwindow_mem_alloc): Take out very noisy debug.
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370
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371 2000-08-03 Gary Thomas <gthomas@redhat.com>
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372
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373 * src/if_ebsa285.c: Changes for stand-alone mode.
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374
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375 * cdl/ebsa285_eth_drivers.cdl: Ethernet driver package hierarchy changed.
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376 Add option to control number of interfaces.
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377
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378 2000-07-28 Hugo Tyson <hmt@cygnus.co.uk>
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379
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380 * src/if_ebsa285.c (PacketRxReady): Do not attempt to forward
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381 short packets; eth_drv.c assumes there is at least a header there.
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382 (i82559_recv): Also be more careful and ASSERTive about -ve buffer
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383 sizes; be more defensive about sglists. [CASE 104206]
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384
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385 2000-07-26 Gary Thomas <gthomas@redhat.com>
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386
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387 * src/if_ebsa285.c: Update for new eth_drv interfaces.
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388
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389 2000-07-18 Hugo Tyson <hmt@cygnus.co.uk>
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390
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391 * src/if_ebsa285.c (i82559_poll): Fill in the flesh of this, it
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392 just calls ISR and DSR repeatedly.
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393 (i82559_start): Look in the device record for promiscuous mode
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394 flag; it should be passed though the common layer, but it's not
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395 [yet] - this change from Andrew Lunn/ASCOM. Also a fix and delay
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396 to the promisc mode code per se.
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397
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398 2000-07-17 Hugo Tyson <hmt@cygnus.co.uk>
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diff changeset
399
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400 * src/if_ebsa285.c (i82559_poll): New function, just to fill in
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jlarmour
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401 the interface record; not used.
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jlarmour
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diff changeset
402
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jlarmour
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403 2000-06-27 Hugo Tyson <hmt@cygnus.co.uk>
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404
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405 * cdl/ebsa285_eth_drivers.cdl: Add sesquipedalian option
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406 CYGDBG_DEVS_ETH_ARM_EBSA285_KEEP_82559_STATISTICS in (now)
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407 component CYGDBG_DEVS_ETH_ARM_EBSA285_KEEP_STATISTICS to control
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jlarmour
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408 keeping (well, harvesting really) the i82559's internal stats.
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409 Reputedly, it doesn't service the net whilst this is happening, so
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jlarmour
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410 it could be viewed a bad thing. Hence the option.
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jlarmour
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diff changeset
411
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412 * include/ebsa285_info.h: Only describe the I82559_COUNTERS
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413 i82559_counters[2]; structs if full stats are to be kept.
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jlarmour
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414
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415 * src/if_ebsa285.c (update_statistics): Only include this if full
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jlarmour
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416 stats are to be kept.
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417
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418 2000-06-27 Hugo Tyson <hmt@cygnus.co.uk>
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419
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420 * src/if_ebsa285.c (ResetRxRing): Re-do the management of the
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421 RxRing; have an end-of-list flag (EL) in the last entry, and as
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jlarmour
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422 you unload filled slots, drag it round after you.
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423
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424 2000-06-14 Hugo Tyson <hmt@cygnus.co.uk>
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425
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426 * cdl/ebsa285_eth_drivers.cdl: Add option to control statistics
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jlarmour
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427 keeping.
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jlarmour
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428
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429 * include/ebsa285_info.h: Act on it.
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430
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431 2000-06-13 Hugo Tyson <hmt@cygnus.co.uk>
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432
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433 * cdl/ebsa285_eth_drivers.cdl: Properly include the new header
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434 file and define symbols to allow client code to get at it without
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jlarmour
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435 knowing the particular device driver name.
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436
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437 * include/ebsa285_info.h: New file: export various statistics
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438 information about the driver for use by monitoring and
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diff changeset
439 network-management systems. This requires exposing the
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440 (otherwise) internal structures of the driver.
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441
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442 * src/if_ebsa285.c: remove a lot of structure definitions &c that
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jlarmour
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443 are now necessarily in the new header; add a couple of new
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jlarmour
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444 routines which provide status and update statistics from the
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jlarmour
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445 device into memory; tidy up control of whether stats-keeping is
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jlarmour
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446 enabled.
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447
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448 2000-06-06 Hugo Tyson <hmt@cygnus.co.uk>
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449
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450 * cdl/ebsa285_eth_drivers.cdl (define_proc): Add #define of
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451 CYGDAT_DEVS_ETH_DESCRIPTION in the config file for information.
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452
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453 2000-05-12 Hugo Tyson <hmt@cygnus.co.uk>
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454
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455 * tests/test_net_realtime.h (tnr_print_activity): New routine to
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jlarmour
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456 check the system is working, tidied up the API. It works!
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jlarmour
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diff changeset
457
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458 2000-05-11 Hugo Tyson <hmt@cygnus.co.uk>
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459
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460 * cdl/ebsa285_eth_drivers.cdl: Added export of the test header
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jlarmour
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461 below, and config opts for controlling EEPROM writing and all the
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462 status chatter as the device starts up.
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463
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464 * src/if_ebsa285.c: Reworked the code for reading and setting the
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465 EEPROM that holds the MAC address. This is very ugly, but now
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jlarmour
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466 more reliable. Also tidied up printing cruft with neater
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jlarmour
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467 configury, and made it an option (for safety) whether it's
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468 possible to write the EEPROM at all.
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469
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470 * tests/test_net_realtime.h: New file - it is intended to be used
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471 by networking tests to verify that latency is not compromised by
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472 the stack and driver. It's very platform specific, hence the
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jlarmour
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473 location in here. This is a preliminary version only.
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474
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475 2000-04-27 Hugo Tyson <hmt@cygnus.co.uk>
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476
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477 * src/if_ebsa285.c: A serious re-write. This cuts out a lot of
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jlarmour
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478 code from the old version and improves the performance greatly.
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479
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480 The cruft was mainly doing lots of explicit event communication
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481 between the ISR and DSR, when in fact all the state needed is
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482 present in the tx/rx rings. So both ISRs and DSRs regard their
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483 call as an opportunity to progress everything they can, rather
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jlarmour
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484 than only dealing with one interrupt cause at a time; the
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jlarmour
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diff changeset
485 connection between them is now rather looser.
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486
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487 Interrups can now be re-enabled after the ISR (in other words they
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488 are not masked in the ISR), no need to wait for the DSR, but in
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489 consequence some DSR code must mask/unmask intrs as it works.
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490
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jlarmour
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491 The 82559 appears to be a little slow in reacting to commands and
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492 state changes, so some interrupts were being lost - or persisting
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jlarmour
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493 beyond their desired life - so there's some kinda polling code to
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jlarmour
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494 deal with that also. We also rely on the foreground to kind of
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495 poll in the same way, in the send/can_send calls - we know the
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496 stack will re-try if necessary, though this is rare.
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497
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498 The driver now works (albeit at much reduced performance) with as
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jlarmour
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499 few as 6 rx and tx buffers - in other words the "queue full/out of
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jlarmour
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diff changeset
500 rx buffers" states have been tested and all is well. It works
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jlarmour
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501 generally fine with 8 buffers of each kind.
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jlarmour
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502
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diff changeset
503 The mux ISR and DSR are now rather more polled than the old
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jlarmour
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diff changeset
504 versions; we just try to do things with both devices (if active)
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jlarmour
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diff changeset
505 by simply calling each unitary ISR/DSR respectively.
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jlarmour
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506
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jlarmour
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507 I also re-ordered some of the code, moving utilities to the end of
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jlarmour
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diff changeset
508 the file and grouping together Tx and Rx machines a bit better.
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jlarmour
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diff changeset
509
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diff changeset
510 2000-04-13 Hugo Tyson <hmt@cygnus.co.uk>
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511
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512 * src/if_ebsa285.c: Attribution to Ron Spence, Pacific Softworks
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jlarmour
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513 added as a contributor.
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diff changeset
514
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jlarmour
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diff changeset
515 2000-04-07 Hugo Tyson <hmt@cygnus.co.uk>
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516
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517 * ecos.db: Re-organize device packages. This is a massive change
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518 involving deleting all the sources for serial and ethernet drivers
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jlarmour
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diff changeset
519 from where they used to live in
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520 packages/io/serial/current/src/ARCH/PLATFORM.[ch]
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521 packages/net/drivers/eth/PLATFORM/current/src/...
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522 and reinstating them in
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jlarmour
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diff changeset
523 packages/devs/serial/ARCH/PLATFORM/current/src/...
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diff changeset
524 packages/devs/eth/ARCH/PLATFORM/current/src/...
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525
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jlarmour
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diff changeset
526 All these new packages are properly defined in ecos.db, and are
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jlarmour
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diff changeset
527 all of type "hardware" so that a "target" can grab them.
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528
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jlarmour
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529 This directory layout is descriptive of the devices we have right
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jlarmour
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diff changeset
530 now, arch and platform are separate levels just to make it easier
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jlarmour
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531 to navigate in the filesystem and similar to the HAL structure in
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jlarmour
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532 the filesystem.
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jlarmour
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diff changeset
533
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534 It is *not* prescriptive of future work; for example, the mythical
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535 common highly-portable 16550 serial driver which works on many
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536 targets would be called "devs/serial/s16550/current", or a serial
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537 device for a particular board (cogent springs to mind) that can
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538 work with different CPUs fitted is "devs/serial/cogent/current".
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539
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540 Changelogs have been preserved and replicated over all the new
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541 packages, so that no history is lost.
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542
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543 The contents of individual source files are unchanged; they build
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544 in just the same emvironment except for a very few cases where the
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545 config file name changed in this movement.
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546
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547 Targets in ecos.db have been redefined to bring in all relevant
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548 hardware packages including net and serial drivers (but the newly
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549 included packages are only active if their desired parent is
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550 available.)
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551
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552 The names of CDL options (and their #defines of course) stay the
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553 same for the serial drivers, for backward compatibility.
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554
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555 * templates/*/current.ect: these have had CYGPKG_IO_SERIAL added
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556 rather than it being in (almost) all target definitions.
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557
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558 2000-03-29 Hugo Tyson <hmt@cygnus.co.uk>
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559
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560 * src/if_ebsa285.c (i82559_recv): Be happy with NULLs in the
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561 SGlist; it means the caller is out of memory so drop the packet on
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562 the floor. Also remove a completely redundant test.
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563
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564 2000-03-06 Hugo Tyson <hmt@cygnus.co.uk>
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565
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566 * src/if_ebsa285.c (i82559_can_send): Update net driver to new
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jlarmour
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567 interface style. This is incomplete wrt promiscuous mode, but
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568 that's probably about all.
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569
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570 2000-02-14 Gary Thomas <gthomas@cygnus.co.uk>
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571
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572 * cdl/ebsa285_eth_drivers.cdl: Update CDL to indicate multiple
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573 interface support.
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diff changeset
574
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575 2000-02-14 Hugo Tyson <hmt@cygnus.co.uk>
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576
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577 * src/if_ebsa285.c (pci_init_find_82559s): Tidy comments somewhat
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578 and set debug and stats collecting defines to most friendly
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579 settings.
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580
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581 2000-02-10 Hugo Tyson <hmt@cygnus.co.uk>
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582
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583 * src/if_ebsa285.c (PacketRxReady): Fix bug; current descriptor
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584 was not being write back for the callback to use. Hence asserts
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585 on state of rfd were firing in busy times - that leading rfd had
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586 already been drained.
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587
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588 Also rationalized meaning of DEBUG printy symbols a bit - it's now
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589 chatty during startup/foreground manipulations but not in any
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jlarmour
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diff changeset
590 performance related activities ie. rx or tx.
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591
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diff changeset
592 2000-02-09 John Dallaway <jld@cygnus.co.uk>
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593
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594 * cdl/ebsa285_eth_drivers.cdl:
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595
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596 Reparent under CYGPKG_NET_ETH_DRIVERS and tidy display strings.
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597
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diff changeset
598 2000-02-08 Hugo Tyson <hmt@cygnus.co.uk>
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diff changeset
599
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diff changeset
600 * src/if_ebsa285.c: New File.
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diff changeset
601 * cdl/ebsa285_eth_drivers.cdl: New File.
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diff changeset
602
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jlarmour
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diff changeset
603 Initial Checkin of EBSA285 Ethernet driver.
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jlarmour
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diff changeset
604
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605 It's one monolithic file at present, and should be split up into a
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606 more generic Intel 82559 driver plus platform-specific parts (PCI
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jlarmour
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diff changeset
607 et al) plus eCos/Red-Hat-BSD-stack parts.
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608
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609 //===========================================================================
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610 //####COPYRIGHTBEGIN####
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611 //
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612 // -------------------------------------------
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613 // The contents of this file are subject to the Red Hat eCos Public License
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614 // Version 1.1 (the "License"); you may not use this file except in
f0e3fb000de8 Merge from eCos master repository on 2001-01-26-06:43:02-GMT
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diff changeset
615 // compliance with the License. You may obtain a copy of the License at
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parents:
diff changeset
616 // http://www.redhat.com/
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617 //
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618 // Software distributed under the License is distributed on an "AS IS"
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619 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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parents:
diff changeset
620 // License for the specific language governing rights and limitations under
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jlarmour
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diff changeset
621 // the License.
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622 //
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623 // The Original Code is eCos - Embedded Configurable Operating System,
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624 // released September 30, 1998.
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625 //
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jlarmour
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626 // The Initial Developer of the Original Code is Red Hat.
f0e3fb000de8 Merge from eCos master repository on 2001-01-26-06:43:02-GMT
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parents:
diff changeset
627 // Portions created by Red Hat are
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jlarmour
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diff changeset
628 // Copyright (C) 1998, 1999, 2000 Red Hat, Inc.
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jlarmour
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629 // All Rights Reserved.
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630 // -------------------------------------------
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631 //
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diff changeset
632 //####COPYRIGHTEND####
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633 //===========================================================================
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diff changeset
634
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635
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636