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2886 | 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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1472 | hidnplayr | 10 | |
2886 | hidnplayr | 11 | include 'bus/pci.inc' |
1472 | hidnplayr | 12 | |
1556 | hidnplayr | 13 | ; Kernel variables |
1472 | hidnplayr | 14 | |
2887 | hidnplayr | 15 | PAGESIZE = 4096 |
16 | PG_SW = 0x003 |
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2935 | hidnplayr | 17 | PG_NOCACHE = 0x018 |
1472 | hidnplayr | 18 | |
1556 | hidnplayr | 19 | |
1514 | hidnplayr | 20 | ; network driver types |
1472 | hidnplayr | 21 | |
2887 | hidnplayr | 22 | NET_TYPE_ETH = 1 |
23 | NET_TYPE_SLIP = 2 |
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1514 | hidnplayr | 24 | |
3346 | hidnplayr | 25 | ; link state |
1514 | hidnplayr | 26 | |
3346 | hidnplayr | 27 | ETH_LINK_DOWN = 0 ; Link is down |
28 | ETH_LINK_UNKOWN = 1b ; There could be an active link |
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29 | ETH_LINK_FD = 10b ; full duplex flag |
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30 | ETH_LINK_10M = 100b ; 10 mbit |
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31 | ETH_LINK_100M = 1000b ; 100 mbit |
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32 | ETH_LINK_1G = 10000b ; gigabit |
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33 | |||
34 | |||
2886 | hidnplayr | 35 | LAST_IO = 0 |
2887 | hidnplayr | 36 | macro set_io addr { |
1514 | hidnplayr | 37 | |
2886 | hidnplayr | 38 | if addr = 0 |
39 | mov edx, [device.io_addr] |
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40 | else if addr = LAST_IO |
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41 | else |
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42 | add edx, addr - LAST_IO |
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43 | end if |
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1472 | hidnplayr | 44 | |
2886 | hidnplayr | 45 | LAST_IO = addr |
1472 | hidnplayr | 46 | } |
47 | |||
2887 | hidnplayr | 48 | macro allocate_and_clear dest, size, err { |
1472 | hidnplayr | 49 | |
50 | ; We need to allocate at least 8 pages, if we want a continuous memory in ram |
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2886 | hidnplayr | 51 | push edx |
1472 | hidnplayr | 52 | if (size < 8*4096) & (size > 4096) |
2886 | hidnplayr | 53 | stdcall KernelAlloc, 8*4096 |
1472 | hidnplayr | 54 | else |
2886 | hidnplayr | 55 | stdcall KernelAlloc, size |
1472 | hidnplayr | 56 | end if |
2886 | hidnplayr | 57 | pop edx |
1521 | hidnplayr | 58 | |
2886 | hidnplayr | 59 | test eax, eax |
60 | jz err |
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61 | mov dest, eax ; Save the address to it into the device struct |
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62 | mov edi, eax ; look at last part of code! |
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1472 | hidnplayr | 63 | |
64 | ; Release the unused pages (if any) |
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65 | if (size < 8*4096) & (size > 4096) |
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2886 | hidnplayr | 66 | add eax, (size/4096+1)*4096 |
67 | mov ecx, 8-(size/4096+1) |
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68 | push edx |
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69 | call ReleasePages |
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70 | pop edx |
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1472 | hidnplayr | 71 | end if |
72 | |||
73 | ; Clear the allocated buffer |
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2886 | hidnplayr | 74 | mov ecx, size/4 ; divide by 4 because of DWORD |
75 | xor eax, eax |
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76 | rep stosd |
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1472 | hidnplayr | 77 | |
78 | } |
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79 | |||
2887 | hidnplayr | 80 | struc IOCTL { |
81 | .handle dd ? |
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82 | .io_code dd ? |
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83 | .input dd ? |
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84 | .inp_size dd ? |
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85 | .output dd ? |
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86 | .out_size dd ? |
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1472 | hidnplayr | 87 | } |
88 | |||
89 | virtual at edx |
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90 | IOCTL IOCTL |
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91 | end virtual |
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92 | |||
93 | |||
94 | if used null_op |
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95 | align 4 |
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96 | null_op: |
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2886 | hidnplayr | 97 | or eax, -1 |
98 | ret |
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1472 | hidnplayr | 99 | |
100 | end if |
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101 | |||
102 | |||
2887 | hidnplayr | 103 | macro GetRealAddr { ; input and output is eax |
1472 | hidnplayr | 104 | |
2886 | hidnplayr | 105 | push ax |
106 | call GetPgAddr |
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107 | and word[esp], PAGESIZE - 1 |
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108 | or ax, word[esp] |
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109 | inc esp |
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110 | inc esp |
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1472 | hidnplayr | 111 | |
1492 | hidnplayr | 112 | } |
113 | |||
2887 | hidnplayr | 114 | macro NET_DEVICE { |
1519 | hidnplayr | 115 | |
2886 | hidnplayr | 116 | .type dd ? ; Type field |
117 | .mtu dd ? ; Maximal Transmission Unit |
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118 | .name dd ? ; Ptr to 0 terminated string |
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1519 | hidnplayr | 119 | |
2886 | hidnplayr | 120 | .unload dd ? ; Ptrs to driver functions |
121 | .reset dd ? ; |
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122 | .transmit dd ? ; |
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1519 | hidnplayr | 123 | |
2886 | hidnplayr | 124 | .bytes_tx dq ? ; Statistics, updated by the driver |
125 | .bytes_rx dq ? ; |
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126 | .packets_tx dd ? ; |
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127 | .packets_rx dd ? ; |
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1519 | hidnplayr | 128 | |
3346 | hidnplayr | 129 | .state dd ? ; link state (0 = no link) |
130 | .hwacc dd ? ; bitmask stating enabled HW accelerations |
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131 | |||
2886 | hidnplayr | 132 | .end: |
1514 | hidnplayr | 133 | } |
1492 | hidnplayr | 134 | |
1529 | hidnplayr | 135 | |
2887 | hidnplayr | 136 | macro ETH_DEVICE { |
137 | NET_DEVICE |
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1519 | hidnplayr | 138 | |
2886 | hidnplayr | 139 | .mac dp ? |
3346 | hidnplayr | 140 | dw ? ; qword alignment |
1519 | hidnplayr | 141 | |
1492 | hidnplayr | 142 | } |
143 | |||
1502 | hidnplayr | 144 | |
145 | |||
2887 | hidnplayr | 146 | macro SLIP_DEVICE { |
2886 | hidnplayr | 147 | NET_DEVICE |
1519 | hidnplayr | 148 | |
1529 | hidnplayr | 149 | }>> |