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3545 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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3 | ;; Copyright (C) KolibriOS team 2004-2012. All rights reserved. ;; |
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4 | ;; Distributed under terms of the GNU General Public License ;; |
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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 | |||
11 | include 'pci.inc' |
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12 | include 'mii.inc' |
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13 | |||
14 | ; Kernel variables |
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15 | |||
16 | PAGESIZE = 4096 |
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17 | PG_SW = 0x003 |
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18 | PG_NOCACHE = 0x018 |
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19 | |||
20 | |||
21 | ; network driver types |
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22 | |||
23 | NET_TYPE_ETH = 1 |
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24 | NET_TYPE_SLIP = 2 |
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25 | |||
26 | ; link state |
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27 | |||
28 | ETH_LINK_DOWN = 0 ; Link is down |
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29 | ETH_LINK_UNKOWN = 1b ; There could be an active link |
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30 | ETH_LINK_FD = 10b ; full duplex flag |
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31 | ETH_LINK_10M = 100b ; 10 mbit |
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32 | ETH_LINK_100M = 1000b ; 100 mbit |
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33 | ETH_LINK_1G = 10000b ; gigabit |
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34 | |||
35 | |||
36 | LAST_IO = 0 |
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37 | macro set_io addr { |
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38 | |||
39 | if addr = 0 |
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40 | mov edx, [device.io_addr] |
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41 | else if addr = LAST_IO |
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42 | else |
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43 | add edx, addr - LAST_IO |
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44 | end if |
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45 | |||
46 | LAST_IO = addr |
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47 | } |
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48 | |||
49 | macro allocate_and_clear dest, size, err { |
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50 | |||
51 | ; We need to allocate at least 8 pages, if we want a continuous memory in ram |
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52 | push edx |
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53 | if (size < 8*4096) & (size > 4096) |
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54 | stdcall KernelAlloc, 8*4096 |
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55 | else |
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56 | stdcall KernelAlloc, size |
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57 | end if |
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58 | pop edx |
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59 | |||
60 | test eax, eax |
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61 | jz err |
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62 | mov dest, eax ; Save the address to it into the device struct |
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63 | mov edi, eax ; look at last part of code! |
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64 | |||
65 | ; Release the unused pages (if any) |
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66 | if (size < 8*4096) & (size > 4096) |
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67 | add eax, (size/4096+1)*4096 |
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68 | mov ecx, 8-(size/4096+1) |
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69 | push edx |
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70 | call ReleasePages |
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71 | pop edx |
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72 | end if |
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73 | |||
74 | ; Clear the allocated buffer |
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75 | mov ecx, size/4 ; divide by 4 because of DWORD |
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76 | xor eax, eax |
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77 | rep stosd |
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78 | |||
79 | } |
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80 | |||
81 | struc IOCTL { |
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82 | .handle dd ? |
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83 | .io_code dd ? |
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84 | .input dd ? |
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85 | .inp_size dd ? |
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86 | .output dd ? |
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87 | .out_size dd ? |
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88 | } |
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89 | |||
90 | virtual at edx |
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91 | IOCTL IOCTL |
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92 | end virtual |
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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 | }>> |