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Merge from eCos master repository on 2001-12-07-11:40:47-GMT
author jlarmour
date Fri, 07 Dec 2001 14:15:03 +0000
parents 51b34619b677
children 920b9b754b53
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198
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1 2001-12-04 Richard Sandiford <rsandifo@redhat.com>
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2
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3 * src/stand_alone/eth_drv.c (eth_drv_read): Check that the return
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4 buffer is big enough to hold the packet.
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5
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6 2001-11-28 Jonathan Larmour <jlarmour@redhat.com>
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7
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8 * doc/driver_doc: Mention preferences on how the ESA should be set.
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10 2001-10-30 Jonathan Larmour <jlarmour@redhat.com>
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11
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12 * doc/driver_doc: Add description of poll, deliver and int_vector
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13 driver functions.
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14
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15 2001-10-29 Hugo Tyson <hmt@redhat.com>
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16
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17 * src/net/eth_drv.c (eth_drv_tickle_devices): [CASE 106613] Rather
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18 than calling can_send() in the device driver directly, call our
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19 own eth_drv_send() function which will also dequeue a waiting
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20 packet if we find we indeed can_send(). This helps to recover
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21 from queue full situations within the if_ethersubr layer above.
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22 This change is belt & braces with a similar call in the code which
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23 drops a packet if the queue is full, in the main network code in
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24 net/tcpip/.../src/sys/net/if_ethersubr.c (ether_output); this
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25 change will recover the situation shortly even if the application
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26 gives up trying to send because of ENOBUFS.
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27
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28 2001-10-18 Jonathan Larmour <jlarmour@redhat.com>
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29
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30 * cdl/eth_drivers.cdl: Rename CYGSEM_IO_ETH_DRIVERS_DEBUG to
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31 CYGDBG_IO_ETH_DRIVERS_DEBUG and make it a common option.
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32 Add separate CYGDBG_IO_ETH_DRIVERS_DEBUG_VERBOSITY config.
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33
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34 * include/eth_drv.h: Don't claim BSD if it isn't.
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35 * include/eth_drv_stats.h: Ditto.
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36 * include/netdev.h: Ditto.
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37 * src/net/eth_drv.c: Ditto.
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38 Also use above CDL options to conditionalize debugging (and the
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39 verbosity level).
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40 * src/stand_alone/eth_drv.c: Use above renamed CDL options.
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41
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42 2001-10-11 Gary Thomas <gthomas@redhat.com>
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43
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44 * src/stand_alone/eth_drv.c (eth_drv_recv):
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45 Defensive programming - insure valid packet size.
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46
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47 2001-10-05 Jonathan Larmour <jlarmour@redhat.com>
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48
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49 * src/net/eth_drv.c: Add default implementation of min().
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50
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51 2001-09-26 Jesper Skov <jskov@redhat.com>
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52
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53 * cdl/eth_drivers.cdl: Require the string functions.
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54
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55 * src/stand_alone/eth_drv.c: Fix warnings.
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56
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57 2001-09-25 Hugo Tyson <hmt@redhat.com>
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58
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59 * src/net/eth_drv.c (eth_drv_dsr): Assert that the "sc" given to
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60 eth_drv_dsr() really is a sc from the valid list. This can save a
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61 few hours debug time of a typo.
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62
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63 2001-09-13 Hugo Tyson <hmt@redhat.com>
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64
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65 * src/net/eth_drv.c (eth_drv_tickle_devices): New function to call
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66 can_send() on all devices to allow them to unstick from a lost
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67 interrupt or other wedge - it's up to the device to detect this,
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68 of course, can_send() does not explicitly do this, it's just used
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69 as an opportunity harmlessly to get control into the device so it
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70 can examine its world.
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71
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72 2001-09-05 Gary Thomas <gthomas@redhat.com>
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73
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74 * src/stand_alone/eth_drv.c (eth_drv_init): Don't initialize
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75 structures if ESA is zero. This is used by low level drivers
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76 to indicate that a device is present, but can't currently be
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77 used. The eCos driver handles this case as well.
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78
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79 2001-08-31 Hugo Tyson <hmt@redhat.com>
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80 2001-08-31 Andrew Lunn <Andrew.Lunn@ascom.ch>
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81
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82 * src/net/eth_drv.c (eth_drv_tx_done): Guard against a NULL key
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83 return - which can be caused by race conditions in the driver,
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84 this is the neatest fixup. It's good defensive programming
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85 anyway and ASCOM's tests indicate a benefit for CASE 106059.
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86
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87 2001-08-22 Gary Thomas <gthomas@redhat.com>
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88
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89 * src/stand_alone/eth_drv.c:
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90 printf() is no longer a part of RedBoot. Thus all programs
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91 must use diag_printf() and related functions instead.
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92
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93 * cdl/eth_drivers.cdl: Only enable warning/debug modes if RedBoot
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94 is present as the debug environment (since there are implicit
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95 dependencies on RedBoot functions).
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96
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97 2001-08-20 Jonathan Larmour <jlarmour@redhat.com>
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98
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99 * src/net/eth_drv.c (eth_drv_send): Move endif location to fix build
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100 error.
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101
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102 2001-08-17 Jonathan Larmour <jlarmour@redhat.com>
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103
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104 * cdl/eth_drivers.cdl (CYGSEM_IO_ETH_DRIVERS_DEBUG): Now booldata.
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105 * src/stand_along/eth_drv.c (eth_drv_tx_done): Use different
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106 value of CYGSEM_IO_ETH_DRIVERS_DEBUG for verbosity.
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107
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108 2001-08-14 Gary Thomas <gthomas@redhat.com>
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109
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110 * src/stand_alone/eth_drv.c (eth_drv_write):
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111 (eth_drv_tx_done):
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112 (eth_drv_read): Better handling of stacking (layering) of drivers.
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113 RedBoot (stand alone code) is designed to call into the eCos
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114 stack and these changes make sure that this is done properly
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115 nested/stacked. These changes also affect the behaviour positively
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116 for CR 902745-CR.
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117
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118 * src/net/eth_drv.c (eth_drv_send): Add locking of driver while
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119 actual hardware routines are involved. Since the same driver
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120 can be shared by both eCos and RedBoot, it is imperative that
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121 additional locking (in the form of locking the scheduler) be
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122 employed during this window to make sure that the hardware is
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123 handled in complete, consistent steps. This helps with known
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124 bug CR 902745-CR.
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125
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126 2001-08-09 Hugo Tyson <hmt@redhat.com>
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127
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128 * src/net/eth_drv.c (eth_drv_recv): Add a pair of
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129 CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP() on entry and exit;
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130 this function is intercalled between RedBoot and the application.
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131 A minor re-org at the ending to accommodate these macros' nesting.
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132 (eth_drv_tx_done): CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP().
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133
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134 * src/stand_alone/eth_drv.c (eth_drv_tx_done): Add a pair of
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135 CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP() on entry and exit;
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136 this function is intercalled between RedBoot and the application.
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137 Also make printing message about "tx_done for other key" also
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138 conditional on net_debug variable - it's commonplace.
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139 (eth_drv_recv): CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP().
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140 (eth_drv_copy_recv): CYGARC_HAL_SAVE_GP()/CYGARC_HAL_RESTORE_GP().
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141
169
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142 2001-07-03 Gary Thomas <gthomas@redhat.com>
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143
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144 * src/net/eth_drv.c (eth_drv_recv): Better cleanup when running
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145 out of mbufs - could have lost mbufs before.
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146
163
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147 2001-06-21 David Woodhouse <dwmw2@redhat.com>
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148
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149 * src/stand_alone/eth_drv.c: Timeout when waiting for Ethernet
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150 driver to finish sending packet.
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151 * src/stand_alone/eth_drv.c: Don't delay if it's ready immediately.
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152
162
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153 2001-06-11 Gary Thomas <gthomas@redhat.com>
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154
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155 * cdl/eth_drivers.cdl: Make debug default for RedBoot.
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156
160
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157 2001-05-22 Jonathan Larmour <jlarmour@redhat.com>
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158
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159 * cdl/eth_drivers.cdl: New option: CYGSEM_IO_ETH_DRIVERS_PASS_PACKETS
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160 which replaces the static define in...
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161 * src/stand_alone_eth_drv.c: Rename ETH_DRV_PASS_PACKETS to
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162 new CDL option above.
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163 Also, ensure references to start_console/end_console are conditional
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164 on CYGSEM_IO_ETH_DRIVERS_DEBUG.
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165
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166 2001-05-22 Hugo Tyson <hmt@redhat.com>
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167 2001-05-22 Sanjay Bisen <Sanjay.Bisen@ascom.ch>
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168
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169 * src/net/eth_drv.c (eth_drv_recv): Patch from Sanjay at Ascom; it
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170 leaked one mbuf if you run out of clusters. Fix is simply to
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171 free m in addition to top.
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172
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173 * src/net/eth_drv.c (eth_drv_run_deliveries): Fixed a warning with
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174 an int cast in HAL_CTRLC_CHECK().
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175
156
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176 2001-03-21 Gary Thomas <gthomas@redhat.com>
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177
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178 * cdl/eth_drivers.cdl: Fewer buffers needed in stand-alone mode.
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179
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180 2001-03-12 Hugo Tyson <hmt@redhat.com>
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181
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182 * cdl/eth_drivers.cdl: Permit defines for
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183 CYGPKG_IO_ETH_DRIVERS_STAND_ALONE and CYGPKG_IO_ETH_DRIVERS_NET.
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184 The generic i82559 driver needs to know, unfortunately; it calls
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185 its own DSR directly to unblock after a lost interrupt. And you
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186 mustn't call the DSR under RedBoot == ....STAND_ALONE.
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187
149
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188 2001-01-15 Jesper Skov <jskov@redhat.com>
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189
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190 * src/net/eth_drv.c (eth_drv_init): Do not use enaddr if NULL.
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191
148
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192 2001-01-07 Gary Thomas <gthomas@redhat.com>
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193
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194 * cdl/eth_drivers.cdl: Add interface 'CYGPKG_NET_DRIVER_FRAMEWORK'
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195 to describe interdependencies between network stack and driver
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196 framework packages.
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197
147
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198 2001-01-04 Gary Thomas <gthomas@redhat.com>
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199
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200 * src/net/eth_drv.c (eth_drv_tx_done): Update count of Tx packets.
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201
145
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202 2000-12-11 Gary Thomas <gthomas@redhat.com>
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203
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204 * src/net/eth_drv.c (eth_drv_run_deliveries): Support ^C when
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205 using network based debug channel.
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206
143
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207 2000-12-02 Gary Thomas <gthomas@redhat.com>
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208
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209 * src/stand_alone/eth_drv.c (eth_drv_write): Debug: dump packet
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210 before calling hardware routine for improved usability.
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211
132
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212 2000-10-30 Gary Thomas <gthomas@redhat.com>
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213
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214 * include/eth_drv.h: Fix compile error in stand-alone mode.
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215
130
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216 2000-10-17 Hugo Tyson <hmt@redhat.com>
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217 2000-10-10 Andrew Lunn <Andrew.Lunn@ascom.ch>
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218 * cdl/eth_drivers.cdl: Add configury to disable the warnings about
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219 out of mbufs for receives.
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220
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221 * src/net/eth_drv.c: The changes required for the above.
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222
128
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223 2000-09-28 Hugo Tyson <hmt@redhat.com>
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224
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225 * src/net/eth_drv.c (eth_drv_run_deliveries): Remove race
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226 condition; a chance to deliver could be delayed until "next time"
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227 if the DSR snuck in just right.
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228
126
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229 2000-09-14 Hugo Tyson <hmt@redhat.com>
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230
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231 * cdl/eth_drivers.cdl: Add configury to control new features. All
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232 is controlled globally by CYGPKG_IO_ETH_DRIVERS_SIMULATED_FAILURES
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233 which is by default off, natch.
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234
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235 * src/net/eth_drv.c (simulate_fail): Implement simulated failures
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236 in ethernet packet delivery - independent tx and rx dropping and
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237 rx packet corruption. Also a "line break" drop-all feature.
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238
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239 2000-09-13 Gary Thomas <gthomas@redhat.com>
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240
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241 * src/stand_alone/eth_drv.c: Take out noisy dump when out of buffers.
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242
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243 2000-09-11 Hugo Tyson <hmt@cygnus.co.uk>
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244
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245 * src/stand_alone/eth_drv.c (eth_drv_write): If we timeout waiting
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246 for the write to complete, do reset the vectors to point to the
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247 application, rather just a bald "return".
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248
124
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249 2000-09-08 Hugo Tyson <hmt@cygnus.co.uk>
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250
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251 * include/netdev.h (NETDEVTAB_ENTRY): Work around feature of new
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252 version of CYG_HAL_TABLE_ENTRY() whereby no spaces are allowed.
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253
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254 2000-09-07 Jonathan Larmour <jlarmour@redhat.com>
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255
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256 * include/netdev.h (cyg_netdevtab_entry_t): Correct syntax for
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257 CYG_HAL_TABLE_TYPE
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258
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259 2000-09-04 Jonathan Larmour <jlarmour@redhat.com>
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260
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261 * include/netdev.h (cyg_netdevtab_entry_t): Apply CYG_HAL_TABLE_TYPE
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262
121
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263 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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264
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265 * src/stand_alone/eth_drv.c (eth_drv_dsr): New function, never
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266 called but maybe referenced in stand_alone context, which lets
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267 redboot work in the new world.
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268
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269 2000-09-01 Hugo Tyson <hmt@cygnus.co.uk>
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270
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271 * OVERVIEW: This is part of the change to the network stack to
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272 greatly reduce latencies both of (other) DSRs and of thread
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273 scheduling. All the work that the network stack *and* individual
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274 ether drivers used to do in DSRs (including alarm callbacks and
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275 data copies to/from the device memory) is moved into a "fast
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276 network thread" instead. It calls a device's "deliver" function
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277 to do the work that was previously in the DSR. This is a separate
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278 thread so that it can be set higher priority than application
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279 threads in order to minimize packet loss (depending on the
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280 driver), if required (the application threads presumed to be
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281 higher priority in turn than the network thread). A crucial
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282 consequence of this is that we are no longer locking against DSRs,
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283 so a plain mutex can be used rather than the global scheduler
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284 lock, thus simplifying all the splfoo/splx() style functions.
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285
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286 These changes WILL BREAK individual device drivers until they are
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287 updated AND the standalone logical ether driver in this component,
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288 until it is updated also.
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289
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290 * include/eth_drv.h (ETH_DRV_SC): Add "deliver" entry to struct
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291 eth_hwr_funs interface record; declare available DSR and flag for
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292 "needs delivery" in SC status field.
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293
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294 * src/net/eth_drv.c (eth_drv_run_deliveries): New function,
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295 performs callbacks to deliver funcs for all devs that want it.
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296 (eth_drv_dsr): New function, sets flag in sc and calls up to net
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297 stack to schedule the fast network thread.
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298 (eth_drv_send): No need to lock scheduler here.
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299
119
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300 2000-08-29 Gary Thomas <gthomas@redhat.com>
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301
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302 * src/stand_alone/eth_drv.c: Use null buffer, (char *)0,
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303 instead of wasting memory - low level drivers must be designed
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304 to handle this case.
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305
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306 2000-08-28 Gary Thomas <gthomas@redhat.com>
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307
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308 * src/stand_alone/eth_drv.c: Use new configuration parameters.
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309
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310 * cdl/eth_drivers.cdl: Add new configury to control number of
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311 internal buffers used by this layer. Also exposed some of the
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312 debug flags here.
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313
117
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314 2000-08-25 Hugo Tyson <hmt@cygnus.co.uk>
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315
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316 * include/eth_drv_stats.h (ether_drv_stats): A little further
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317 diddling; have a bool to say whether the dot3 info is filled in.
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318
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319 2000-08-24 Hugo Tyson <hmt@cygnus.co.uk>
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320
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321 * src/net/eth_drv.c (eth_drv_ioctl): Implement ioctl() calls.
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322 sockio.h numbers SIOCGIFSTATS and SIOCGIFSTATSUD map to
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323 ETH_DRV_GET_IF_STATS and ETH_DRV_GET_IF_STATS_UD respectively.
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324
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325 * include/eth_drv.h (ETH_DRV_GET_IF_STATS_UD): Add new device
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326 interface ioctl() numbers, to get the struct below filled in.
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327 Also pull in the definition include file (below).
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328
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329 * include/eth_drv_stats.h (ether_drv_stats): New file: Define
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330 common structure for ether devices to return stats info to higher
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331 up, via an ioctl() call. SNMP uses this.
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332
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333 2000-08-23 Gary Thomas <gthomas@redhat.com>
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334
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335 * src/stand_alone/eth_drv.c:
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336 * include/eth_drv.h: Low level drivers now need to export a
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337 function which returns the interrupt vector used by that interface.
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338 This allows outside code to determine this in a portable fashion.
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339
115
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340 2000-08-16 Gary Thomas <gthomas@redhat.com>
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341
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342 * src/stand_alone/eth_drv.c:
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343 * include/eth_drv.h: Clean up warnings (better protyping).
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344
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345 * src/stand_alone/eth_drv.c (eth_drv_write): Abandon sending
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346 packet if device goes not ready for a long time (in some cases,
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347 this is the only indication that the link is down).
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348
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349 2000-08-07 Gary Thomas <gthomas@redhat.com>
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350
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351 * src/net/eth_drv.c (eth_drv_recv): Add safety in case this gets
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352 called [from stand-alone code] while interface is not up.
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353
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354 * src/stand_alone/eth_drv.c:
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355 * include/eth_drv.h: Rework to more fully support mixed stand-alone
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356 and system (eCos) stacks.
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357
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358 2000-08-03 Gary Thomas <gthomas@redhat.com>
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359
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360 * cdl/eth_drivers.cdl: Reparent within I/O, not NET. This allows
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361 for stand-alone use as well as support for other stack implementations.
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362
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363 2000-07-28 Hugo Tyson <hmt@cygnus.co.uk>
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364
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365 * src/eth_drv.c (eth_drv_recv): Assert that the length we're asked
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366 to deal with is at least an ether header, and also be defensive in
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367 any case; discard small packets. [CASE 104206]
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368
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369 2000-07-26 Gary Thomas <gthomas@redhat.com>
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370
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371 * src/eth_drv.c:
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372 * include/eth_drv.h: Change interfaces used by hardware layer to
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373 be "soft" (pointers to functions). This will allow those drivers
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374 to be shared by applications and the ROM/debug environment.
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375
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376 2000-07-15 Gary Thomas <gthomas@redhat.com>
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377
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378 * include/eth_drv.h: Add [initial] extensions to let this
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379 layer work either in an eCos environment or stand-alone.
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380
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381 2000-07-11 Gary Thomas <gthomas@redhat.com>
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382
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383 * include/eth_drv.h: Add minimal PCMCIA support.
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384
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385 * src/eth_drv.c (eth_drv_netdev): New function - used to find the
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386 ethernet device info for PCMCIA devices.
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387
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388 2000-06-23 Hugo Tyson <hmt@cygnus.co.uk>
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389
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390 * src/eth_drv.c (eth_drv_send): Do not consume an SG entry for
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391 zero length data; tolerate overflow of the SG. Before this, pings
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392 of 6000 bytes crashed the system!
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393
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394 You can now set net_debug to 2 to get quieter output; 1 gives the
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395 whole packet dump as before.
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396
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397 * include/eth_drv.h (MAX_ETH_DRV_SG): Make this 16 so that an MTU
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398 made of all mbufs will not overflow.
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399
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400 2000-03-28 Gary Thomas <gthomas@redhat.com>
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401
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402 * src/eth_drv.c (eth_drv_recv): Tolerate running out of MBUFs
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403 instead of "panic"ing.
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404
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405 2000-03-08 Gary Thomas <gthomas@redhat.com>
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406
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407 * src/eth_drv.c: Add some function [block] comments.
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408 (eth_drv_send): Use eCos scheduler lock instead of interrupt lock.
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409
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410 2000-03-08 Hugo Tyson <hmt@cygnus.co.uk>
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411
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412 * doc/driver_doc: Add some clarification about what's called when,
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413 proofreading results, shorter lines so I can print it nicely.
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414
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415 2000-03-06 Gary Thomas <gthomas@redhat.com>
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416
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417 * src/eth_drv.c:
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418 * include/eth_drv.h:
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419 * doc/driver_doc: Remove generic "priv"ate references.
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420
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421 2000-02-29 Gary Thomas <gthomas@cygnus.co.uk>
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422
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423 * src/eth_drv.c:
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424 * include/eth_drv.h: New expanded API for hardware drivers.
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425
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426 2000-02-18 Gary Thomas <gthomas@cygnus.co.uk>
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427
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428 * src/eth_drv.c (eth_drv_send): Disable interrupts while initiating
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429 the buffer send - avoid a possible race.
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430
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431 2000-02-08 John Dallaway <jld@cygnus.co.uk>
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432
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433 * cdl/eth_drivers.cdl:
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434 Reparent under CYGPKG_NET and tidy display strings.
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435
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436 //===========================================================================
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437 //####COPYRIGHTBEGIN####
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438 //
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439 // -------------------------------------------
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440 // The contents of this file are subject to the Red Hat eCos Public License
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441 // Version 1.1 (the "License"); you may not use this file except in
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442 // compliance with the License. You may obtain a copy of the License at
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443 // http://www.redhat.com/
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444 //
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445 // Software distributed under the License is distributed on an "AS IS"
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446 // basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
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447 // License for the specific language governing rights and limitations under
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448 // the License.
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449 //
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450 // The Original Code is eCos - Embedded Configurable Operating System,
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451 // released September 30, 1998.
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452 //
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453 // The Initial Developer of the Original Code is Red Hat.
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454 // Portions created by Red Hat are
182
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455 // Copyright (C) 1998, 1999, 2000, 2001 Red Hat, Inc.
115
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456 // All Rights Reserved.
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457 // -------------------------------------------
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458 //
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459 //####COPYRIGHTEND####
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460 //===========================================================================
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461
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462
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463