Rev 2888 | Go to most recent revision | Show entire file | Regard whitespace | Details | Blame | Last modification | View Log | RSS feed
| Rev 2888 | Rev 2891 | ||
|---|---|---|---|
| Line 14... | Line 14... | ||
| 14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
14 | ;; GNU GENERAL PUBLIC LICENSE ;; |
| 15 | ;; Version 2, June- 1991 ;; |
15 | ;; Version 2, June- 1991 ;; |
| 16 | ;; ;; |
16 | ;; ;; |
| 17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
| Line 18... | Line 18... | ||
| 18 | 18 | ||
| Line 19... | Line 19... | ||
| 19 | $Revision: 2888 $ |
19 | $Revision: 2891 $ |
| 20 | 20 | ||
| 21 | ARP_NO_ENTRY = 0 |
21 | ARP_NO_ENTRY = 0 |
| 22 | ARP_VALID_MAPPING = 1 |
22 | ARP_VALID_MAPPING = 1 |
| Line 161... | Line 161... | ||
| 161 | ; |
161 | ; |
| 162 | ;----------------------------------------------------------------- |
162 | ;----------------------------------------------------------------- |
| 163 | align 4 |
163 | align 4 |
| 164 | ARP_input: |
164 | ARP_input: |
| Line 165... | Line -... | ||
| 165 | - | ||
| 166 | DEBUGF 1,"ARP_input - start\n" |
165 | |
| 167 | cmp ecx, sizeof.ARP_header |
166 | cmp ecx, sizeof.ARP_header |
| Line 168... | Line 167... | ||
| 168 | jb .exit |
167 | jb .exit |
| 169 | 168 | ||
| Line 170... | Line 169... | ||
| 170 | ;--------------------- |
169 | ;--------------------- |
| 171 | ; Handle Reply packets |
170 | ; Handle Reply packets |
| Line 172... | Line 171... | ||
| 172 | 171 | ||
| 173 | cmp [edx + ARP_header.Opcode], ARP_REP_OPCODE |
172 | cmp [edx + ARP_header.Opcode], ARP_REP_OPCODE |
| 174 | jne .maybe_request |
173 | jne .maybe_request |
| Line 175... | Line 174... | ||
| 175 | 174 | ||
| 176 | DEBUGF 1,"ARP_input - it's a reply packet from %u.%u.%u.%u\n",\ |
175 | DEBUGF 1,"ARP_input: got reply packet from %u.%u.%u.%u\n",\ |
| Line 192... | Line 191... | ||
| 192 | jnz .loop |
191 | jnz .loop |
| Line 193... | Line 192... | ||
| 193 | 192 | ||
| Line 194... | Line 193... | ||
| 194 | jmp .exit |
193 | jmp .exit |
| 195 | 194 | ||
| Line 196... | Line 195... | ||
| 196 | .gotit: |
195 | .gotit: |
| 197 | DEBUGF 1,"ARP_input - found matching entry\n" |
196 | DEBUGF 1,"ARP_input: found matching entry\n" |
| Line 198... | Line 197... | ||
| 198 | 197 | ||
| Line 199... | Line 198... | ||
| 199 | cmp [esi + ARP_entry.TTL], ARP_STATIC_ENTRY ; if it is a static entry, dont touch it |
198 | cmp [esi + ARP_entry.TTL], ARP_STATIC_ENTRY ; if it is a static entry, dont touch it |
| 200 | je .exit |
199 | je .exit |
| Line 201... | Line 200... | ||
| 201 | 200 | ||
| Line 220... | Line 219... | ||
| 220 | jne .exit |
219 | jne .exit |
| Line 221... | Line 220... | ||
| 221 | 220 | ||
| 222 | call NET_ptr_to_num |
221 | call NET_ptr_to_num |
| 223 | cmp edi, -1 |
222 | cmp edi, -1 |
| 224 | jz .exit |
223 | jz .exit |
| 225 | DEBUGF 1,"ARP Request packet through device: %u\n", edi |
224 | DEBUGF 1,"ARP_input: got request packet through device: %u\n", edi |
| Line 226... | Line 225... | ||
| 226 | inc [ARP_PACKETS_RX+4*edi] |
225 | inc [ARP_PACKETS_RX + 4*edi] |
| 227 | 226 | ||
| 228 | mov eax, [IP_LIST+4*edi] |
227 | mov eax, [IP_LIST + 4*edi] |
| Line 262... | Line 261... | ||
| 262 | movsd |
261 | movsd |
| 263 | movsw |
262 | movsw |
| 264 | ; mov ax , ETHER_ARP ; It's already there, I'm sure of it! |
263 | ; mov ax , ETHER_ARP ; It's already there, I'm sure of it! |
| 265 | ; stosw |
264 | ; stosw |
| Line 266... | Line 265... | ||
| 266 | 265 | ||
| Line 267... | Line 266... | ||
| 267 | DEBUGF 1,"ARP_input - Sending reply \n" |
266 | DEBUGF 1,"ARP_input: Sending reply\n" |
| 268 | 267 | ||
| Line 269... | Line 268... | ||
| 269 | call [ebx + NET_DEVICE.transmit] |
268 | call [ebx + NET_DEVICE.transmit] |
| 270 | ret |
269 | ret |
| 271 | 270 | ||
| Line 272... | Line 271... | ||
| 272 | .exit: |
271 | .exit: |
| 273 | call kernel_free |
272 | call kernel_free |
| Line 274... | Line 273... | ||
| 274 | add esp, 4 ; pop (balance stack) |
273 | add esp, 4 ; pop (balance stack) |
| 275 | 274 | ||
| Line 287... | Line 286... | ||
| 287 | ; |
286 | ; |
| 288 | ;--------------------------------------------------------------------------- |
287 | ;--------------------------------------------------------------------------- |
| 289 | align 4 |
288 | align 4 |
| 290 | ARP_output_request: |
289 | ARP_output_request: |
| Line 291... | Line -... | ||
| 291 | - | ||
| 292 | DEBUGF 1,"Create ARP Packet\n" |
- | |
| 293 | 290 | ||
| 294 | push eax ; DestIP |
291 | push eax ; DestIP |
| Line -... | Line 292... | ||
| - | 292 | pushd [IP_LIST + edi] ; SenderIP |
|
| - | 293 | ||
| - | 294 | DEBUGF 1,"ARP_output_request: ip=%u.%u.%u.%u\n",\ |
|
| 295 | pushd [IP_LIST+edi] ; SenderIP |
295 | [esp]:1, [esp + 1]:1, [esp + 2]:1, [esp + 3]:1 |
| Line 296... | Line 296... | ||
| 296 | 296 | ||
| 297 | mov ebx, [NET_DRV_LIST+edi] ; device ptr |
297 | mov ebx, [NET_DRV_LIST + edi] ; device ptr |
| 298 | 298 | ||
| Line 323... | Line 323... | ||
| 323 | stosd ; |
323 | stosd ; |
| 324 | stosw ; |
324 | stosw ; |
| 325 | pop eax ; DestIP |
325 | pop eax ; DestIP |
| 326 | stosd ; |
326 | stosd ; |
| Line 327... | Line 327... | ||
| 327 | 327 | ||
| Line 328... | Line 328... | ||
| 328 | DEBUGF 1,"ARP Packet for device %x created successfully\n", ebx |
328 | DEBUGF 1,"ARP_output_request: device=%x\n", ebx |
| 329 | 329 | ||
| 330 | push edx ecx |
330 | push edx ecx |
| Line 331... | Line 331... | ||
| 331 | call [ebx + NET_DEVICE.transmit] |
331 | call [ebx + NET_DEVICE.transmit] |
| 332 | ret |
332 | ret |
| 333 | 333 | ||
| 334 | .exit: |
334 | .exit: |
| 335 | add esp, 4+4 |
335 | add esp, 4 + 4 |
| Line 336... | Line 336... | ||
| 336 | DEBUGF 1,"Create ARP Packet - failed\n" |
336 | DEBUGF 1,"ARP_output_request: failed\n" |
| Line 390... | Line 390... | ||
| 390 | rep movsw |
390 | rep movsw |
| Line 391... | Line 391... | ||
| 391 | 391 | ||
| 392 | lea esi, [edi - sizeof.ARP_entry] |
392 | lea esi, [edi - sizeof.ARP_entry] |
| 393 | inc [NumARP] |
393 | inc [NumARP] |
| 394 | pop eax |
394 | pop eax |
| Line 395... | Line -... | ||
| 395 | DEBUGF 1,"entry %u created\n", eax |
- | |
| 396 | - | ||
| 397 | .exit: |
395 | DEBUGF 1,"entry=%u\n", eax |
| Line 398... | Line 396... | ||
| 398 | DEBUGF 1,"exiting\n" |
396 | |
| 399 | ret |
397 | ret |
| 400 | 398 | ||
| 401 | .error: |
399 | .error: |
| Line 402... | Line 400... | ||
| 402 | DEBUGF 1,"error!\n" |
400 | DEBUGF 1,"failed\n" |
| Line 413... | Line 411... | ||
| 413 | ; |
411 | ; |
| 414 | ;----------------------------------------------------------------- |
412 | ;----------------------------------------------------------------- |
| 415 | align 4 |
413 | align 4 |
| 416 | ARP_del_entry: |
414 | ARP_del_entry: |
| Line 417... | Line 415... | ||
| 417 | 415 | ||
| Line 418... | Line 416... | ||
| 418 | DEBUGF 1,"ARP_del_entry %x, total entrys: %u\n", esi, [NumARP] |
416 | DEBUGF 1,"ARP_del_entry: entry=%u entrys=%u\n", esi, [NumARP] |
| 419 | 417 | ||
| 420 | mov ecx, ARP_table + (ARP_TABLE_SIZE - 1) * sizeof.ARP_entry |
418 | mov ecx, ARP_table + (ARP_TABLE_SIZE - 1) * sizeof.ARP_entry |
| Line 421... | Line 419... | ||
| 421 | sub ecx, esi |
419 | sub ecx, esi |
| 422 | shr ecx, 1 |
420 | shr ecx, 1 |
| 423 | 421 | ||
| Line 424... | Line 422... | ||
| 424 | mov edi, esi |
422 | mov edi, esi |
| 425 | lea esi, [edi + sizeof.ARP_entry] |
423 | lea esi, [edi + sizeof.ARP_entry] |
| Line 426... | Line 424... | ||
| 426 | rep movsw |
424 | rep movsw |