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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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4449 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2014. All rights reserved. ;; |
3545 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;; GNU GENERAL PUBLIC LICENSE ;; |
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7 | ;; Version 2, June 1991 ;; |
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8 | ;; ;; |
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9 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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10 | |||
3845 | hidnplayr | 11 | ; This macro will prepend driver name to all debug output through DEBUGF macro |
12 | ; The driver name is taken from my_service label |
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13 | |||
14 | if defined my_service |
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15 | |||
16 | macro DEBUGF _level,_format, [args] { |
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17 | common DEBUGF _level, "%s: " # _format, my_service, args |
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18 | } |
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19 | |||
20 | end if |
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21 | |||
4449 | hidnplayr | 22 | include 'pci.inc' |
23 | include 'mii.inc' |
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24 | |||
3545 | hidnplayr | 25 | ; Kernel variables |
26 | |||
27 | PAGESIZE = 4096 |
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28 | |||
29 | ; network driver types |
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30 | |||
31 | NET_TYPE_ETH = 1 |
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32 | NET_TYPE_SLIP = 2 |
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33 | |||
34 | ; link state |
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35 | |||
36 | ETH_LINK_DOWN = 0 ; Link is down |
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37 | ETH_LINK_UNKOWN = 1b ; There could be an active link |
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38 | ETH_LINK_FD = 10b ; full duplex flag |
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39 | ETH_LINK_10M = 100b ; 10 mbit |
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40 | ETH_LINK_100M = 1000b ; 100 mbit |
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41 | ETH_LINK_1G = 10000b ; gigabit |
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42 | |||
43 | |||
44 | LAST_IO = 0 |
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45 | macro set_io addr { |
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46 | |||
47 | if addr = 0 |
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48 | mov edx, [device.io_addr] |
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49 | else if addr = LAST_IO |
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50 | else |
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51 | add edx, addr - LAST_IO |
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52 | end if |
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53 | |||
54 | LAST_IO = addr |
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55 | } |
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56 | |||
57 | macro allocate_and_clear dest, size, err { |
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58 | |||
59 | ; We need to allocate at least 8 pages, if we want a continuous memory in ram |
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60 | push edx |
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61 | if (size < 8*4096) & (size > 4096) |
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62 | stdcall KernelAlloc, 8*4096 |
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63 | else |
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64 | stdcall KernelAlloc, size |
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65 | end if |
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66 | pop edx |
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67 | |||
68 | test eax, eax |
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69 | jz err |
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70 | mov dest, eax ; Save the address to it into the device struct |
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71 | mov edi, eax ; look at last part of code! |
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72 | |||
73 | ; Release the unused pages (if any) |
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74 | if (size < 8*4096) & (size > 4096) |
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75 | add eax, (size/4096+1)*4096 |
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76 | mov ecx, 8-(size/4096+1) |
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77 | push edx |
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78 | call ReleasePages |
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79 | pop edx |
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80 | end if |
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81 | |||
82 | ; Clear the allocated buffer |
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83 | mov ecx, size/4 ; divide by 4 because of DWORD |
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84 | xor eax, eax |
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85 | rep stosd |
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86 | |||
3635 | hidnplayr | 87 | if (size - size/4*4) |
88 | mov ecx, size - size/4*4 |
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89 | rep stosb |
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90 | end if |
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91 | |||
3545 | hidnplayr | 92 | } |
93 | |||
94 | |||
95 | if used null_op |
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96 | align 4 |
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97 | null_op: |
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98 | or eax, -1 |
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99 | ret |
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100 | |||
101 | end if |
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102 | |||
103 | |||
104 | macro GetRealAddr { ; input and output is eax |
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105 | |||
106 | push ax |
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107 | call GetPgAddr |
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108 | and word[esp], PAGESIZE - 1 |
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109 | or ax, word[esp] |
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110 | inc esp |
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111 | inc esp |
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112 | |||
113 | } |
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114 | |||
115 | macro NET_DEVICE { |
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116 | |||
117 | .type dd ? ; Type field |
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118 | .mtu dd ? ; Maximal Transmission Unit |
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119 | .name dd ? ; Ptr to 0 terminated string |
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120 | |||
121 | .unload dd ? ; Ptrs to driver functions |
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122 | .reset dd ? ; |
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123 | .transmit dd ? ; |
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124 | |||
125 | .bytes_tx dq ? ; Statistics, updated by the driver |
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126 | .bytes_rx dq ? ; |
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127 | .packets_tx dd ? ; |
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128 | .packets_rx dd ? ; |
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129 | |||
130 | .state dd ? ; link state (0 = no link) |
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131 | .hwacc dd ? ; bitmask stating enabled HW accelerations |
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132 | |||
133 | .end: |
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134 | } |
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135 | |||
136 | |||
137 | macro ETH_DEVICE { |
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138 | NET_DEVICE |
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139 | |||
140 | .mac dp ? |
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141 | dw ? ; qword alignment |
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142 | |||
143 | } |
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144 | |||
145 | |||
146 | |||
147 | macro SLIP_DEVICE { |
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148 | NET_DEVICE |
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149 | |||
150 | }>> |