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Rev | Author | Line No. | Line |
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1171 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
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1763 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;; |
1171 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
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6 | ;; STACK.INC ;; |
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7 | ;; ;; |
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1763 | hidnplayr | 8 | ;; TCP/IP stack for KolibriOS ;; |
1171 | hidnplayr | 9 | ;; ;; |
10 | ;; Written by hidnplayr@kolibrios.org ;; |
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11 | ;; ;; |
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1763 | hidnplayr | 12 | ;; Some parts of code are based on the work of: ;; |
13 | ;; Mike Hibbett (menuetos network stack) ;; |
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14 | ;; Eugen Brasoveanu (solar os network stack and drivers) ;; |
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15 | ;; mike.dld (kolibrios socket code) ;; |
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1171 | hidnplayr | 16 | ;; ;; |
1763 | hidnplayr | 17 | ;; TCP part is based on 4.4BSD ;; |
18 | ;; ;; |
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1171 | hidnplayr | 19 | ;; GNU GENERAL PUBLIC LICENSE ;; |
20 | ;; Version 2, June 1991 ;; |
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21 | ;; ;; |
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22 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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1159 | hidnplayr | 23 | |
1206 | hidnplayr | 24 | $Revision: 2220 $ |
1159 | hidnplayr | 25 | |
1763 | hidnplayr | 26 | __DEBUG_LEVEL_OLD__ equ __DEBUG_LEVEL__ ; use seperate debug level for network part of kernel |
27 | __DEBUG_LEVEL__ equ 1 |
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1473 | hidnplayr | 28 | |
1159 | hidnplayr | 29 | uglobal |
1763 | hidnplayr | 30 | net_10ms dd ? |
31 | net_tmr_count dw ? |
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1159 | hidnplayr | 32 | endg |
33 | |||
1259 | hidnplayr | 34 | MAX_NET_DEVICES equ 16 |
1159 | hidnplayr | 35 | |
1763 | hidnplayr | 36 | MIN_EPHEMERAL_PORT equ 49152 |
37 | MAX_EPHEMERAL_PORT equ 61000 |
||
1159 | hidnplayr | 38 | |
1514 | hidnplayr | 39 | ; Ethernet protocol numbers |
1519 | hidnplayr | 40 | ETHER_ARP equ 0x0608 |
1733 | hidnplayr | 41 | ETHER_IPv4 equ 0x0008 |
1519 | hidnplayr | 42 | ETHER_PPP_DISCOVERY equ 0x6388 |
43 | ETHER_PPP_SESSION equ 0x6488 |
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1185 | hidnplayr | 44 | |
1514 | hidnplayr | 45 | ;Protocol family |
1774 | hidnplayr | 46 | AF_UNSPEC equ 0 |
47 | AF_UNIX equ 1 |
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48 | AF_INET4 equ 2 |
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49 | AF_INET6 equ 10 |
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1159 | hidnplayr | 50 | |
1514 | hidnplayr | 51 | ; Internet protocol numbers |
1774 | hidnplayr | 52 | IP_PROTO_IP equ 0 |
53 | IP_PROTO_ICMP equ 1 |
||
54 | IP_PROTO_TCP equ 6 |
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55 | IP_PROTO_UDP equ 17 |
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1159 | hidnplayr | 56 | |
1200 | hidnplayr | 57 | ; Socket types |
1774 | hidnplayr | 58 | SOCK_STREAM equ 1 |
59 | SOCK_DGRAM equ 2 |
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60 | SOCK_RAW equ 3 |
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1200 | hidnplayr | 61 | |
1514 | hidnplayr | 62 | ; Socket options |
1885 | hidnplayr | 63 | SO_ACCEPTCON equ 1 shl 0 |
64 | SO_BROADCAST equ 1 shl 1 |
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65 | SO_DEBUG equ 1 shl 2 |
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66 | SO_DONTROUTE equ 1 shl 3 |
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67 | SO_KEEPALIVE equ 1 shl 4 |
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68 | SO_OOBINLINE equ 1 shl 5 |
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69 | SO_REUSEADDR equ 1 shl 6 |
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70 | SO_REUSEPORT equ 1 shl 7 |
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71 | SO_USELOOPBACK equ 1 shl 8 |
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1159 | hidnplayr | 72 | |
1885 | hidnplayr | 73 | |
1773 | hidnplayr | 74 | ; Socket States |
1774 | hidnplayr | 75 | SS_NOFDREF equ 0x001 ; no file table ref any more |
76 | SS_ISCONNECTED equ 0x002 ; socket connected to a peer |
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77 | SS_ISCONNECTING equ 0x004 ; in process of connecting to peer |
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78 | SS_ISDISCONNECTING equ 0x008 ; in process of disconnecting |
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79 | SS_CANTSENDMORE equ 0x010 ; can't send more data to peer |
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80 | SS_CANTRCVMORE equ 0x020 ; can't receive more data from peer |
||
81 | SS_RCVATMARK equ 0x040 ; at mark on input |
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82 | SS_ISABORTING equ 0x080 ; aborting fd references - close() |
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83 | SS_RESTARTSYS equ 0x100 ; restart blocked system calls |
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84 | SS_ISDISCONNECTED equ 0x800 ; socket disconnected from peer |
||
1773 | hidnplayr | 85 | |
1774 | hidnplayr | 86 | SS_ASYNC equ 0x100 ; async i/o notify |
87 | SS_ISCONFIRMING equ 0x200 ; deciding to accept connection req |
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88 | SS_MORETOCOME equ 0x400 |
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1773 | hidnplayr | 89 | |
90 | |||
1774 | hidnplayr | 91 | SOCKET_MAXDATA equ 4096*32 ; must be 4096*(power of 2) where 'power of 2' is at least 8 |
1254 | hidnplayr | 92 | |
1514 | hidnplayr | 93 | ; Network driver types |
1774 | hidnplayr | 94 | NET_TYPE_ETH equ 1 |
95 | NET_TYPE_SLIP equ 2 |
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1254 | hidnplayr | 96 | |
1774 | hidnplayr | 97 | MAX_backlog equ 20 ; maximum backlog for stream sockets |
1254 | hidnplayr | 98 | |
1716 | hidnplayr | 99 | ; Error Codes |
1774 | hidnplayr | 100 | ENOBUFS equ 55 |
101 | ECONNREFUSED equ 61 |
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102 | ECONNRESET equ 52 |
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103 | ETIMEDOUT equ 60 |
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104 | ECONNABORTED equ 53 |
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1529 | hidnplayr | 105 | |
1716 | hidnplayr | 106 | |
107 | |||
1514 | hidnplayr | 108 | virtual at 0 |
1254 | hidnplayr | 109 | |
1514 | hidnplayr | 110 | NET_DEVICE: |
1519 | hidnplayr | 111 | |
112 | .type dd ? ; Type field |
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113 | .mtu dd ? ; Maximal Transmission Unit |
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114 | .name dd ? ; Ptr to 0 terminated string |
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115 | |||
116 | .unload dd ? ; Ptrs to driver functions |
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117 | .reset dd ? ; |
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118 | .transmit dd ? ; |
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119 | |||
120 | .bytes_tx dq ? ; Statistics, updated by the driver |
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121 | .bytes_rx dq ? ; |
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122 | .packets_tx dd ? ; |
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123 | .packets_rx dd ? ; |
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124 | |||
1763 | hidnplayr | 125 | ; .hwacc dd ? ; bitmask stating available hardware accelerations (offload engines) |
1529 | hidnplayr | 126 | |
1514 | hidnplayr | 127 | .end: |
1254 | hidnplayr | 128 | |
1514 | hidnplayr | 129 | end virtual |
1254 | hidnplayr | 130 | |
131 | |||
1514 | hidnplayr | 132 | ; Exactly as it says.. |
1318 | hidnplayr | 133 | macro pseudo_random reg { |
134 | add reg, [esp] |
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135 | rol reg, 5 |
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136 | xor reg, [timer_ticks] |
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1529 | hidnplayr | 137 | add reg, [CPU_FREQ] |
1318 | hidnplayr | 138 | imul reg, 214013 |
139 | xor reg, 0xdeadbeef |
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140 | rol reg, 9 |
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1514 | hidnplayr | 141 | } |
1318 | hidnplayr | 142 | |
1543 | hidnplayr | 143 | macro ntohd reg { |
1318 | hidnplayr | 144 | |
1514 | hidnplayr | 145 | rol word reg, 8 |
146 | rol dword reg, 16 |
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1529 | hidnplayr | 147 | rol word reg , 8 |
1514 | hidnplayr | 148 | |
1318 | hidnplayr | 149 | } |
150 | |||
1543 | hidnplayr | 151 | macro ntohw reg { |
1514 | hidnplayr | 152 | |
153 | rol word reg, 8 |
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154 | |||
155 | } |
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156 | |||
1159 | hidnplayr | 157 | include "queue.inc" |
1514 | hidnplayr | 158 | |
159 | include "ethernet.inc" |
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1719 | hidnplayr | 160 | |
1514 | hidnplayr | 161 | ;include "slip.inc" |
1719 | hidnplayr | 162 | ;include "pppoe.inc" |
1514 | hidnplayr | 163 | |
1187 | hidnplayr | 164 | include "ARP.inc" |
165 | include "IPv4.inc" |
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1514 | hidnplayr | 166 | |
167 | include "icmp.inc" |
||
168 | include "udp.inc" |
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1249 | hidnplayr | 169 | include "tcp.inc" |
1159 | hidnplayr | 170 | |
1514 | hidnplayr | 171 | include "socket.inc" |
172 | |||
173 | |||
174 | |||
175 | align 4 |
||
176 | uglobal |
||
177 | |||
178 | NET_RUNNING dd ? |
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2220 | hidnplayr | 179 | NET_DRV_LIST rd (MAX_NET_DEVICES + 1) ; device 0 is a link to the default device |
1514 | hidnplayr | 180 | |
181 | endg |
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182 | |||
183 | |||
1257 | hidnplayr | 184 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 185 | ; |
186 | ; stack_init |
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187 | ; |
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188 | ; This function calls all network init procedures |
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189 | ; |
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190 | ; IN: / |
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191 | ; OUT: / |
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192 | ; |
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1257 | hidnplayr | 193 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 194 | align 4 |
195 | stack_init: |
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196 | |||
1514 | hidnplayr | 197 | ; Init the network drivers list |
198 | xor eax, eax |
||
199 | mov edi, NET_RUNNING |
||
2220 | hidnplayr | 200 | mov ecx, (MAX_NET_DEVICES + 2) |
1514 | hidnplayr | 201 | rep stosd |
202 | |||
1529 | hidnplayr | 203 | ; SLIP_init |
204 | ; PPPOE_init |
||
1514 | hidnplayr | 205 | |
1529 | hidnplayr | 206 | IPv4_init |
207 | ICMP_init |
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1514 | hidnplayr | 208 | |
1529 | hidnplayr | 209 | ARP_init |
210 | UDP_init |
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211 | TCP_init |
||
1514 | hidnplayr | 212 | |
1529 | hidnplayr | 213 | SOCKET_init |
1514 | hidnplayr | 214 | |
215 | mov [net_tmr_count], 0 |
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1159 | hidnplayr | 216 | |
217 | ret |
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218 | |||
219 | |||
1257 | hidnplayr | 220 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 221 | ; |
222 | ; stack_handler |
||
223 | ; |
||
1514 | hidnplayr | 224 | ; This function is called in kernel loop |
1159 | hidnplayr | 225 | ; |
226 | ; IN: / |
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227 | ; OUT: / |
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228 | ; |
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1257 | hidnplayr | 229 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 230 | align 4 |
231 | stack_handler: |
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232 | |||
1514 | hidnplayr | 233 | cmp [NET_RUNNING], 0 |
1257 | hidnplayr | 234 | je .exit |
1159 | hidnplayr | 235 | |
1318 | hidnplayr | 236 | ; Test for 10ms tick |
1257 | hidnplayr | 237 | mov eax, [timer_ticks] |
1514 | hidnplayr | 238 | cmp eax, [net_10ms] |
1257 | hidnplayr | 239 | je .exit |
1514 | hidnplayr | 240 | mov [net_10ms], eax |
1159 | hidnplayr | 241 | |
1519 | hidnplayr | 242 | test [net_10ms], 0x0f ; 160ms |
243 | jnz .exit |
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1249 | hidnplayr | 244 | |
1529 | hidnplayr | 245 | TCP_timer_160ms |
1159 | hidnplayr | 246 | |
1519 | hidnplayr | 247 | test [net_10ms], 0x3f ; 640ms |
248 | jnz .exit |
||
249 | |||
1529 | hidnplayr | 250 | TCP_timer_640ms |
251 | ARP_decrease_entry_ttls |
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252 | IPv4_decrease_fragment_ttls |
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1159 | hidnplayr | 253 | |
254 | .exit: |
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1257 | hidnplayr | 255 | ret |
1159 | hidnplayr | 256 | |
257 | |||
1514 | hidnplayr | 258 | |
1249 | hidnplayr | 259 | ;----------------------------------------------------------------- |
260 | ; |
||
2220 | hidnplayr | 261 | ; NET_add_device: |
1514 | hidnplayr | 262 | ; |
263 | ; This function is called by the network drivers, |
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264 | ; to register each running NIC to the kernel |
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265 | ; |
||
266 | ; IN: Pointer to device structure in ebx |
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267 | ; OUT: Device num in eax, -1 on error |
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268 | ; |
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269 | ;----------------------------------------------------------------- |
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270 | align 4 |
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271 | NET_add_device: |
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272 | |||
2220 | hidnplayr | 273 | DEBUGF 1,"NET_Add_Device: %x\n", ebx ;;; TODO: use mutex to lock net device list |
1514 | hidnplayr | 274 | |
275 | mov eax, [NET_RUNNING] |
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276 | cmp eax, MAX_NET_DEVICES |
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277 | jge .error |
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278 | |||
279 | ;---------------------------------- |
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280 | ; Check if device is already listed |
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281 | mov eax, ebx |
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2220 | hidnplayr | 282 | mov ecx, MAX_NET_DEVICES ; We need to check whole list because a device may be removed without re-organizing list |
283 | mov edi, NET_DRV_LIST+4 |
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1514 | hidnplayr | 284 | |
2220 | hidnplayr | 285 | repne scasd ; See if device is already in the list |
1514 | hidnplayr | 286 | jz .error |
287 | |||
288 | ;---------------------------- |
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289 | ; Find empty slot in the list |
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290 | xor eax, eax |
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291 | mov ecx, MAX_NET_DEVICES |
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2220 | hidnplayr | 292 | mov edi, NET_DRV_LIST+4 |
1514 | hidnplayr | 293 | |
294 | repne scasd |
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295 | jnz .error |
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296 | |||
297 | sub edi, 4 |
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298 | |||
2220 | hidnplayr | 299 | ;----------------------------- |
300 | ; Add device to the found slot |
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301 | mov [edi], ebx ; add device to list |
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1514 | hidnplayr | 302 | |
2220 | hidnplayr | 303 | mov eax, edi ; Calculate device number in eax |
304 | sub eax, NET_DRV_LIST |
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305 | shr eax, 2 |
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1514 | hidnplayr | 306 | |
2220 | hidnplayr | 307 | inc [NET_RUNNING] ; Indicate that one more network device is up and running |
1514 | hidnplayr | 308 | |
2220 | hidnplayr | 309 | cmp eax, 1 ; If it's the first network device, try to set it as default |
310 | jne @f |
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311 | push eax |
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312 | call NET_set_default |
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313 | pop eax |
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314 | @@: |
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1514 | hidnplayr | 315 | |
2220 | hidnplayr | 316 | DEBUGF 1,"Device number: %u\n", eax |
317 | ret |
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1514 | hidnplayr | 318 | |
2220 | hidnplayr | 319 | .error: |
320 | or eax, -1 |
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321 | DEBUGF 2,"Adding network device failed\n" |
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322 | ret |
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1514 | hidnplayr | 323 | |
324 | |||
325 | |||
2220 | hidnplayr | 326 | ;----------------------------------------------------------------- |
327 | ; |
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328 | ; NET_set_default |
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329 | ; |
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330 | ; API to set the default interface |
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331 | ; |
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332 | ; IN: Device num in eax |
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333 | ; OUT: Device num in eax, -1 on error |
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334 | ; |
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335 | ;----------------------------------------------------------------- |
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336 | align 4 |
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337 | NET_set_default: |
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1514 | hidnplayr | 338 | |
2220 | hidnplayr | 339 | DEBUGF 1,"NET_set_default %x\n", eax |
1514 | hidnplayr | 340 | |
2220 | hidnplayr | 341 | cmp eax, MAX_NET_DEVICES |
342 | jge .error |
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1514 | hidnplayr | 343 | |
2220 | hidnplayr | 344 | cmp [NET_DRV_LIST+eax*4], 0 |
345 | je .error |
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346 | |||
347 | push [NET_DRV_LIST+eax*4] |
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348 | pop [NET_DRV_LIST] |
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349 | |||
350 | DEBUGF 1,"Device number %u is now default!\n", eax |
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1514 | hidnplayr | 351 | ret |
352 | |||
353 | .error: |
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354 | or eax, -1 |
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2220 | hidnplayr | 355 | DEBUGF 2,"Setting default network device failed\n" |
1514 | hidnplayr | 356 | ret |
357 | |||
358 | |||
359 | ;----------------------------------------------------------------- |
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360 | ; |
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361 | ; NET_Remove_Device: |
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362 | ; |
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363 | ; This function is called by etwork drivers, |
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364 | ; to unregister network devices from the kernel |
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2220 | hidnplayr | 365 | ; d |
1514 | hidnplayr | 366 | ; IN: Pointer to device structure in ebx |
367 | ; OUT: eax: -1 on error |
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368 | ; |
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369 | ;----------------------------------------------------------------- |
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370 | align 4 |
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371 | NET_remove_device: |
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372 | |||
373 | cmp [NET_RUNNING], 0 |
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374 | je .error |
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375 | |||
2220 | hidnplayr | 376 | cmp [NET_DRV_LIST], ebx |
377 | jne @f |
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378 | mov [NET_DRV_LIST], 0 |
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379 | cmp [NET_RUNNING], 1 |
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380 | je @f |
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381 | ; there are still active devices, find one and make it default |
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382 | xor eax, eax |
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383 | mov ecx, MAX_NET_DEVICES |
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384 | mov edi, NET_DRV_LIST+4 |
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385 | repe scasd |
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386 | jz @f |
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387 | push dword [edi-4] |
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388 | pop [NET_DRV_LIST] |
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389 | @@: |
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390 | |||
1514 | hidnplayr | 391 | ;---------------------------- |
392 | ; Find the driver in the list |
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393 | |||
394 | mov eax, ebx |
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395 | mov ecx, MAX_NET_DEVICES |
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2220 | hidnplayr | 396 | mov edi, NET_DRV_LIST+4 |
1514 | hidnplayr | 397 | |
398 | repne scasd |
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399 | jnz .error |
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400 | |||
401 | ;------------------------ |
||
402 | ; Remove it from the list |
||
403 | |||
404 | xor eax, eax |
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405 | mov dword [edi-4], eax |
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406 | |||
407 | dec [NET_RUNNING] |
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408 | ret |
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409 | |||
410 | .error: |
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411 | or eax, -1 |
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412 | ret |
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413 | |||
414 | |||
415 | |||
416 | ;----------------------------------------------------------------- |
||
417 | ; |
||
418 | ; NET_ptr_to_num |
||
419 | ; |
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420 | ; IN: ebx = ptr to device struct |
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421 | ; OUT: edi = -1 on error, device number otherwise |
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422 | ; |
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423 | ;----------------------------------------------------------------- |
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424 | align 4 |
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425 | NET_ptr_to_num: |
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426 | push ecx |
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427 | |||
428 | mov ecx, MAX_NET_DEVICES |
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2220 | hidnplayr | 429 | mov edi, NET_DRV_LIST+4 |
1514 | hidnplayr | 430 | |
431 | .loop: |
||
432 | cmp ebx, [edi] |
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433 | jz .found |
||
434 | add edi, 4 |
||
435 | dec ecx |
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436 | jnz .loop |
||
437 | |||
438 | ; repnz scasd could work too if eax is used instead of ebx! |
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439 | |||
440 | or edi, -1 |
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441 | |||
442 | pop ecx |
||
443 | ret |
||
444 | |||
445 | .found: |
||
446 | sub edi, NET_DRV_LIST |
||
447 | shr edi, 2 |
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448 | |||
449 | pop ecx |
||
450 | ret |
||
451 | |||
452 | ;----------------------------------------------------------------- |
||
453 | ; |
||
1249 | hidnplayr | 454 | ; checksum_1 |
455 | ; |
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1482 | hidnplayr | 456 | ; This is the first of two functions needed to calculate a checksum. |
1249 | hidnplayr | 457 | ; |
1473 | hidnplayr | 458 | ; IN: edx = start offset for semi-checksum |
1249 | hidnplayr | 459 | ; esi = pointer to data |
460 | ; ecx = data size |
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461 | ; OUT: edx = semi-checksum |
||
462 | ; |
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1473 | hidnplayr | 463 | ; |
464 | ; Code was optimized by diamond |
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465 | ; |
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1249 | hidnplayr | 466 | ;----------------------------------------------------------------- |
467 | align 4 |
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468 | checksum_1: |
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1159 | hidnplayr | 469 | |
1249 | hidnplayr | 470 | shr ecx, 1 |
471 | pushf |
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1473 | hidnplayr | 472 | jz .no_2 |
1159 | hidnplayr | 473 | |
1473 | hidnplayr | 474 | shr ecx, 1 |
475 | pushf |
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476 | jz .no_4 |
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477 | |||
478 | shr ecx, 1 |
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479 | pushf |
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480 | jz .no_8 |
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481 | |||
482 | .loop: |
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483 | add dl, [esi+1] |
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484 | adc dh, [esi+0] |
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485 | |||
486 | adc dl, [esi+3] |
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487 | adc dh, [esi+2] |
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488 | |||
489 | adc dl, [esi+5] |
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490 | adc dh, [esi+4] |
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491 | |||
492 | adc dl, [esi+7] |
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493 | adc dh, [esi+6] |
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494 | |||
495 | adc edx, 0 |
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496 | add esi, 8 |
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497 | |||
498 | dec ecx |
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499 | jnz .loop |
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500 | |||
501 | adc edx, 0 |
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502 | |||
503 | .no_8: |
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1249 | hidnplayr | 504 | popf |
1473 | hidnplayr | 505 | jnc .no_4 |
506 | |||
507 | add dl, [esi+1] |
||
508 | adc dh, [esi+0] |
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509 | |||
510 | adc dl, [esi+3] |
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511 | adc dh, [esi+2] |
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512 | |||
513 | adc edx, 0 |
||
514 | add esi, 4 |
||
515 | |||
516 | .no_4: |
||
517 | popf |
||
518 | jnc .no_2 |
||
519 | |||
520 | add dl, [esi+1] |
||
521 | adc dh, [esi+0] |
||
522 | |||
523 | adc edx, 0 |
||
1483 | hidnplayr | 524 | inc esi |
525 | inc esi |
||
1473 | hidnplayr | 526 | |
527 | .no_2: |
||
528 | popf |
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1249 | hidnplayr | 529 | jnc .end |
1159 | hidnplayr | 530 | |
1473 | hidnplayr | 531 | add dh, [esi+0] |
1251 | clevermous | 532 | adc edx, 0 |
1473 | hidnplayr | 533 | .end: |
534 | ret |
||
1159 | hidnplayr | 535 | |
1249 | hidnplayr | 536 | ;----------------------------------------------------------------- |
537 | ; |
||
538 | ; checksum_2 |
||
539 | ; |
||
540 | ; This function calculates the final ip/tcp/udp checksum for you |
||
541 | ; |
||
542 | ; IN: edx = semi-checksum |
||
543 | ; OUT: dx = checksum (in INET byte order) |
||
544 | ; |
||
545 | ;----------------------------------------------------------------- |
||
546 | align 4 |
||
547 | checksum_2: |
||
548 | |||
549 | mov ecx, edx |
||
550 | shr ecx, 16 |
||
551 | and edx, 0xffff |
||
552 | add edx, ecx |
||
553 | |||
1482 | hidnplayr | 554 | mov ecx, edx |
555 | shr ecx, 16 |
||
1529 | hidnplayr | 556 | add dx, cx |
557 | test dx, dx ; it seems that ZF is not set when CF is set :( |
||
1249 | hidnplayr | 558 | not dx |
559 | jnz .not_zero |
||
560 | dec dx |
||
561 | .not_zero: |
||
562 | xchg dl, dh |
||
563 | |||
1529 | hidnplayr | 564 | DEBUGF 1,"Checksum: %x\n", dx |
1249 | hidnplayr | 565 | |
566 | ret |
||
567 | |||
568 | |||
569 | |||
1159 | hidnplayr | 570 | ;---------------------------------------------------------------- |
571 | ; |
||
1171 | hidnplayr | 572 | ; System function to work with network devices (73) |
1159 | hidnplayr | 573 | ; |
574 | ;---------------------------------------------------------------- |
||
575 | align 4 |
||
576 | sys_network: |
||
577 | |||
1196 | hidnplayr | 578 | cmp ebx, -1 |
579 | jne @f |
||
580 | |||
1514 | hidnplayr | 581 | mov eax, [NET_RUNNING] |
1196 | hidnplayr | 582 | jmp .return |
583 | |||
584 | @@: |
||
2220 | hidnplayr | 585 | cmp bh, MAX_NET_DEVICES ; Check if device number exists |
1159 | hidnplayr | 586 | jge .doesnt_exist |
587 | |||
588 | mov esi, ebx |
||
589 | and esi, 0x0000ff00 |
||
590 | shr esi, 6 |
||
591 | |||
2220 | hidnplayr | 592 | cmp dword [esi + NET_DRV_LIST], 0 ; check if driver is running |
1159 | hidnplayr | 593 | je .doesnt_exist |
594 | |||
2220 | hidnplayr | 595 | |
596 | |||
597 | test bl, bl ; 0 = Get device type (ethernet/token ring/...) |
||
1159 | hidnplayr | 598 | jnz @f |
1514 | hidnplayr | 599 | |
1192 | hidnplayr | 600 | xor eax, eax |
601 | jmp .return |
||
1159 | hidnplayr | 602 | |
603 | |||
604 | @@: |
||
605 | dec bl ; 1 = Get device name |
||
606 | jnz @f |
||
607 | |||
1514 | hidnplayr | 608 | mov esi, [esi + NET_DRV_LIST] |
1519 | hidnplayr | 609 | mov esi, [esi + NET_DEVICE.name] |
1159 | hidnplayr | 610 | mov edi, ecx |
611 | |||
612 | mov ecx, 64 ; max length |
||
613 | repnz movsb |
||
614 | |||
1192 | hidnplayr | 615 | xor eax, eax |
616 | jmp .return |
||
1159 | hidnplayr | 617 | |
1192 | hidnplayr | 618 | @@: |
1159 | hidnplayr | 619 | |
1192 | hidnplayr | 620 | dec bl ; 2 = Reset the device |
621 | jnz @f |
||
622 | |||
1514 | hidnplayr | 623 | mov esi, [esi + NET_DRV_LIST] |
1519 | hidnplayr | 624 | call [esi + NET_DEVICE.reset] |
1192 | hidnplayr | 625 | jmp .return |
626 | |||
1159 | hidnplayr | 627 | @@: |
1192 | hidnplayr | 628 | |
629 | dec bl ; 3 = Stop driver for this device |
||
630 | jnz @f |
||
631 | |||
1514 | hidnplayr | 632 | mov esi, [esi + NET_DRV_LIST] |
1519 | hidnplayr | 633 | call [esi + NET_DEVICE.unload] |
1192 | hidnplayr | 634 | jmp .return |
635 | |||
636 | @@: |
||
1249 | hidnplayr | 637 | dec bl ; 4 = Get driver pointer |
638 | jnz @f |
||
1192 | hidnplayr | 639 | |
1249 | hidnplayr | 640 | ; ..; |
2220 | hidnplayr | 641 | xor eax, eax |
642 | jmp .return |
||
1249 | hidnplayr | 643 | |
644 | |||
645 | @@: |
||
2220 | hidnplayr | 646 | dec bl ; 5 = Get driver name |
647 | jnz @f |
||
1249 | hidnplayr | 648 | |
2220 | hidnplayr | 649 | ; ..; |
650 | xor eax, eax |
||
651 | jmp .return |
||
652 | |||
653 | |||
654 | @@: |
||
655 | dec bl ; 6 = Set default device |
||
656 | jnz @f |
||
657 | |||
658 | mov eax, esi |
||
659 | call NET_set_default |
||
660 | jmp .return |
||
661 | |||
662 | |||
663 | @@: |
||
664 | |||
1159 | hidnplayr | 665 | .doesnt_exist: |
666 | DEBUGF 1,"sys_network: invalid device/function specified!\n" |
||
667 | mov eax, -1 |
||
668 | |||
1192 | hidnplayr | 669 | .return: |
670 | mov [esp+28+4], eax |
||
1159 | hidnplayr | 671 | ret |
672 | |||
673 | |||
674 | ;---------------------------------------------------------------- |
||
675 | ; |
||
1514 | hidnplayr | 676 | ; System function to work with protocols (75) |
1159 | hidnplayr | 677 | ; |
678 | ;---------------------------------------------------------------- |
||
679 | align 4 |
||
680 | sys_protocols: |
||
681 | cmp bh, MAX_NET_DEVICES ; Check if device number exists |
||
682 | jge .doesnt_exist |
||
683 | |||
684 | mov esi, ebx |
||
685 | and esi, 0x0000ff00 |
||
1514 | hidnplayr | 686 | shr esi, 6 ; now we have the device num * 4 in esi |
687 | cmp dword [esi + NET_DRV_LIST], 0 ; check if driver is running |
||
1159 | hidnplayr | 688 | je .doesnt_exist |
689 | |||
690 | push .return ; return address (we will be using jumps instead of calls) |
||
691 | |||
692 | mov eax, ebx ; set ax to protocol number |
||
693 | shr eax, 16 ; |
||
694 | |||
695 | cmp ax , IP_PROTO_IP |
||
696 | je IPv4_API |
||
697 | |||
698 | cmp ax , IP_PROTO_ICMP |
||
699 | je ICMP_API |
||
700 | |||
701 | cmp ax , IP_PROTO_UDP |
||
702 | je UDP_API |
||
703 | |||
1171 | hidnplayr | 704 | cmp ax , IP_PROTO_TCP |
1254 | hidnplayr | 705 | je TCP_API |
1159 | hidnplayr | 706 | |
1171 | hidnplayr | 707 | cmp ax , ETHER_ARP |
1159 | hidnplayr | 708 | je ARP_API |
709 | |||
1519 | hidnplayr | 710 | cmp ax , 1337 ;;;;; |
1159 | hidnplayr | 711 | je ETH_API |
712 | |||
1171 | hidnplayr | 713 | add esp, 4 ; if we reached here, no function was called, so we need to balance stack |
1159 | hidnplayr | 714 | |
715 | .doesnt_exist: |
||
1519 | hidnplayr | 716 | DEBUGF 1,"sys_protocols: protocol %u doesnt exist on device %u!\n", ax, bh |
1159 | hidnplayr | 717 | mov eax, -1 |
718 | |||
719 | .return: |
||
1171 | hidnplayr | 720 | mov [esp+28+4], eax |
1257 | hidnplayr | 721 | ret |
1473 | hidnplayr | 722 | |
723 | |||
724 | __DEBUG_LEVEL__ equ __DEBUG_LEVEL_OLD__ |