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| 15 | ;; Version 2, June 1991 ;; |
15 | ;; Version 2, June 1991 ;; |
| 16 | ;; ;; |
16 | ;; ;; |
| 17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
17 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
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| 18 | 18 | ||
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| 19 | 19 | ||
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| 20 | $Revision: 1514 $ |
20 | $Revision: 1519 $ |
| Line 207... | Line 207... | ||
| 207 | call checksum_2 |
207 | call checksum_2 |
| 208 | mov ax , dx |
208 | mov ax , dx |
| 209 | pop ecx edx ebx |
209 | pop ecx edx ebx |
| 210 | mov word [edx + ICMP_Packet.Checksum], ax |
210 | mov word [edx + ICMP_Packet.Checksum], ax |
| Line 211... | Line 211... | ||
| 211 | 211 | ||
| 212 | jmp NET_send ; Send the reply |
212 | call [ebx + NET_DEVICE.transmit] |
| Line 213... | Line 213... | ||
| 213 | ; and return to caller of this proc |
213 | ret |
| Line 249... | Line 249... | ||
| 249 | mov eax, esi |
249 | mov eax, esi |
| 250 | pop esi |
250 | pop esi |
| 251 | add esp, 4 |
251 | add esp, 4 |
| 252 | sub edx, esi |
252 | sub edx, esi |
| 253 | mov edi, edx |
253 | mov edi, edx |
| 254 | ;;; jmp SOCKET_input |
254 | jmp SOCKET_input |
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| 255 | 255 | ||
| 256 | .dump: |
256 | .dump: |
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| 257 | DEBUGF 1,"ICMP_Handler - dumping\n" |
257 | DEBUGF 1,"ICMP_Handler - dumping\n" |
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| 262 | ret |
262 | ret |
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| 263 | 263 | ||
| 264 | 264 | ||
| 265 | ;----------------------------------------------------------------- |
- | |
| 266 | ; |
- | |
| 267 | ; Note: ICMP only works on top of IP protocol :) |
265 | ;----------------------------------------------------------------- |
| 268 | ; |
266 | ; |
| 269 | ; inputs: |
267 | ; ICMP_output |
| 270 | ; |
268 | ; |
| 271 | ; eax = dest ip |
269 | ; IN: eax = dest ip |
| 272 | ; ebx = source ip |
270 | ; ebx = source ip |
| 273 | ; ecx = data length |
271 | ; ecx = data length |
| 274 | ; dh = type |
272 | ; dh = type |
| Line 279... | Line 277... | ||
| 279 | ; |
277 | ; |
| 280 | ;----------------------------------------------------------------- |
278 | ;----------------------------------------------------------------- |
| 281 | align 4 |
279 | align 4 |
| 282 | ICMP_output: |
280 | ICMP_output: |
| Line 283... | Line 281... | ||
| 283 | 281 | ||
| Line 284... | Line 282... | ||
| 284 | DEBUGF 1,"Create ICMP Packet\n" |
282 | DEBUGF 1,"Creating ICMP Packet\n" |
| Line 285... | Line 283... | ||
| 285 | 283 | ||
| 286 | push esi edi edx |
284 | push esi edi edx |
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| 318 | pop cx |
316 | pop cx |
| 319 | and cx , 3 |
317 | and cx , 3 |
| 320 | rep movsb |
318 | rep movsb |
| Line 321... | Line 319... | ||
| 321 | 319 | ||
| 322 | sub edi, edx ;;; TODO: find a better way to remember start of packet |
- | |
| 323 | mov ecx, [ebx + ETH_DEVICE.transmit] |
320 | sub edi, edx ;;; TODO: find a better way to remember start of packet |
| 324 | push edx edi ecx |
321 | push edx edi |
| 325 | DEBUGF 1,"Sending ICMP Packet\n" |
322 | DEBUGF 1,"Sending ICMP Packet\n" |
| 326 | ret ; Send the packet (create_packet routine outputs pointer to routine to send packet in eax) |
323 | call [ebx + NET_DEVICE.transmit] |
| 327 | 324 | ret |
|
| 328 | .exit: |
325 | .exit: |
| 329 | DEBUGF 1,"Creating ICMP Packet failed\n" |
326 | DEBUGF 1,"Creating ICMP Packet failed\n" |
| 330 | add esp, 3*4 |
327 | add esp, 3*4 |