Rev 1529 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1171 | hidnplayr | 1 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
2 | ;; ;; |
||
1514 | hidnplayr | 3 | ;; Copyright (C) KolibriOS team 2004-2010. All rights reserved. ;; |
1171 | hidnplayr | 4 | ;; Distributed under terms of the GNU General Public License ;; |
5 | ;; ;; |
||
6 | ;; STACK.INC ;; |
||
7 | ;; ;; |
||
8 | ;; BASIC TCP/IP stack for KolibriOS ;; |
||
9 | ;; ;; |
||
10 | ;; Written by hidnplayr@kolibrios.org ;; |
||
11 | ;; ;; |
||
12 | ;; based on the work of Mike Hibbett, mikeh@oceanfree.net ;; |
||
13 | ;; but also Paolo Franchetti ;; |
||
14 | ;; ;; |
||
15 | ;; GNU GENERAL PUBLIC LICENSE ;; |
||
16 | ;; Version 2, June 1991 ;; |
||
17 | ;; ;; |
||
18 | ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; |
||
1159 | hidnplayr | 19 | |
1206 | hidnplayr | 20 | $Revision: 1543 $ |
1159 | hidnplayr | 21 | |
1473 | hidnplayr | 22 | __DEBUG_LEVEL_OLD__ equ __DEBUG_LEVEL__ |
23 | __DEBUG_LEVEL__ equ 1 ; this sets the debug level for network part of kernel |
||
24 | |||
1159 | hidnplayr | 25 | uglobal |
1514 | hidnplayr | 26 | net_10ms dd ? |
27 | net_tmr_count dw ? |
||
1159 | hidnplayr | 28 | endg |
29 | |||
1259 | hidnplayr | 30 | MAX_NET_DEVICES equ 16 |
1159 | hidnplayr | 31 | |
1514 | hidnplayr | 32 | ETH_QUEUE equ 0 ; 1 = enable / 0 = disable |
33 | |||
1185 | hidnplayr | 34 | MIN_EPHEMERAL_PORT equ 49152 |
35 | MAX_EPHEMERAL_PORT equ 61000 |
||
1159 | hidnplayr | 36 | |
1514 | hidnplayr | 37 | ; Ethernet protocol numbers |
1519 | hidnplayr | 38 | ETHER_ARP equ 0x0608 |
39 | ETHER_IPv4 equ 0x0008 ; Reversed from 0800 for intel |
||
40 | ETHER_PPP_DISCOVERY equ 0x6388 |
||
41 | ETHER_PPP_SESSION equ 0x6488 |
||
1185 | hidnplayr | 42 | |
1514 | hidnplayr | 43 | ;Protocol family |
1254 | hidnplayr | 44 | AF_UNSPEC equ 0 |
1249 | hidnplayr | 45 | AF_UNIX equ 1 |
1159 | hidnplayr | 46 | AF_INET4 equ 2 |
47 | ;AF_AX25 equ 3 |
||
48 | ;AF_IPX equ 4 |
||
49 | ;AF_APPLETALK equ 5 |
||
50 | ;AF_NETROM equ 6 |
||
51 | ;AF_BRIDGE equ 7 |
||
52 | ;AF_AAL5 equ 8 |
||
53 | ;AF_X25 equ 9 |
||
1514 | hidnplayr | 54 | AF_INET6 equ 10 |
1159 | hidnplayr | 55 | ;AF_MAX equ 12 |
56 | |||
1514 | hidnplayr | 57 | ; Internet protocol numbers |
1159 | hidnplayr | 58 | IP_PROTO_IP equ 0 |
59 | IP_PROTO_ICMP equ 1 |
||
60 | IP_PROTO_TCP equ 6 |
||
61 | IP_PROTO_UDP equ 17 |
||
62 | |||
1200 | hidnplayr | 63 | ; Socket types |
1514 | hidnplayr | 64 | SOCK_STREAM equ 1 |
65 | SOCK_DGRAM equ 2 |
||
66 | SOCK_RAW equ 3 |
||
1200 | hidnplayr | 67 | |
1514 | hidnplayr | 68 | ; Socket options |
1529 | hidnplayr | 69 | SO_ACCEPTCON equ 1 |
1159 | hidnplayr | 70 | |
1529 | hidnplayr | 71 | SOCKET_MAXDATA equ 4096*32 ; must be 4096*(power of 2) where 'power of 2' is at least 8 |
1254 | hidnplayr | 72 | |
1514 | hidnplayr | 73 | ; Network driver types |
74 | NET_TYPE_ETH equ 1 |
||
75 | NET_TYPE_SLIP equ 2 |
||
1254 | hidnplayr | 76 | |
1543 | hidnplayr | 77 | MAX_backlog equ 20 ; maximum backlog for stream sockets |
1254 | hidnplayr | 78 | |
1529 | hidnplayr | 79 | |
1514 | hidnplayr | 80 | virtual at 0 |
1254 | hidnplayr | 81 | |
1514 | hidnplayr | 82 | NET_DEVICE: |
1519 | hidnplayr | 83 | |
84 | .type dd ? ; Type field |
||
85 | .mtu dd ? ; Maximal Transmission Unit |
||
86 | .name dd ? ; Ptr to 0 terminated string |
||
87 | |||
88 | .unload dd ? ; Ptrs to driver functions |
||
89 | .reset dd ? ; |
||
90 | .transmit dd ? ; |
||
91 | |||
92 | .bytes_tx dq ? ; Statistics, updated by the driver |
||
93 | .bytes_rx dq ? ; |
||
94 | .packets_tx dd ? ; |
||
95 | .packets_rx dd ? ; |
||
96 | |||
1529 | hidnplayr | 97 | ; .chksum dd ? ; bitmask stating available checksum routines on hardware |
98 | |||
1514 | hidnplayr | 99 | .end: |
1254 | hidnplayr | 100 | |
1514 | hidnplayr | 101 | end virtual |
1254 | hidnplayr | 102 | |
103 | |||
1514 | hidnplayr | 104 | ; Exactly as it says.. |
1318 | hidnplayr | 105 | macro pseudo_random reg { |
106 | add reg, [esp] |
||
107 | rol reg, 5 |
||
108 | xor reg, [timer_ticks] |
||
1529 | hidnplayr | 109 | add reg, [CPU_FREQ] |
1318 | hidnplayr | 110 | imul reg, 214013 |
111 | xor reg, 0xdeadbeef |
||
112 | rol reg, 9 |
||
1514 | hidnplayr | 113 | } |
1318 | hidnplayr | 114 | |
1543 | hidnplayr | 115 | macro ntohd reg { |
1318 | hidnplayr | 116 | |
1514 | hidnplayr | 117 | rol word reg, 8 |
118 | rol dword reg, 16 |
||
1529 | hidnplayr | 119 | rol word reg , 8 |
1514 | hidnplayr | 120 | |
1318 | hidnplayr | 121 | } |
122 | |||
1543 | hidnplayr | 123 | macro ntohw reg { |
1514 | hidnplayr | 124 | |
125 | rol word reg, 8 |
||
126 | |||
127 | } |
||
128 | |||
129 | |||
1529 | hidnplayr | 130 | macro packet_to_debug { ; set esi to packet you want to print, ecx to number of bytes |
131 | |||
132 | local .loop |
||
133 | |||
134 | .loop: |
||
135 | lodsb |
||
136 | DEBUGF 1,"%x ", eax:2 |
||
137 | loop @r |
||
138 | |||
139 | } |
||
140 | |||
141 | |||
1159 | hidnplayr | 142 | include "queue.inc" |
1514 | hidnplayr | 143 | |
144 | include "ethernet.inc" |
||
145 | ;include "slip.inc" |
||
146 | |||
1187 | hidnplayr | 147 | include "ARP.inc" |
148 | include "IPv4.inc" |
||
1514 | hidnplayr | 149 | |
150 | include "icmp.inc" |
||
151 | include "udp.inc" |
||
1249 | hidnplayr | 152 | include "tcp.inc" |
1159 | hidnplayr | 153 | |
1514 | hidnplayr | 154 | include "socket.inc" |
155 | |||
156 | |||
157 | |||
158 | align 4 |
||
159 | uglobal |
||
160 | |||
161 | NET_RUNNING dd ? |
||
162 | NET_DRV_LIST rd MAX_NET_DEVICES |
||
163 | |||
164 | endg |
||
165 | |||
166 | |||
1257 | hidnplayr | 167 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 168 | ; |
169 | ; stack_init |
||
170 | ; |
||
171 | ; This function calls all network init procedures |
||
172 | ; |
||
173 | ; IN: / |
||
174 | ; OUT: / |
||
175 | ; |
||
1257 | hidnplayr | 176 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 177 | align 4 |
178 | stack_init: |
||
179 | |||
1514 | hidnplayr | 180 | ; Init the network drivers list |
181 | xor eax, eax |
||
182 | mov edi, NET_RUNNING |
||
183 | mov ecx, MAX_NET_DEVICES + 1 |
||
184 | rep stosd |
||
185 | |||
1529 | hidnplayr | 186 | ETH_init |
187 | ; SLIP_init |
||
188 | ; PPPOE_init |
||
1514 | hidnplayr | 189 | |
1529 | hidnplayr | 190 | IPv4_init |
191 | ICMP_init |
||
1514 | hidnplayr | 192 | |
1529 | hidnplayr | 193 | ARP_init |
194 | UDP_init |
||
195 | TCP_init |
||
1514 | hidnplayr | 196 | |
1529 | hidnplayr | 197 | SOCKET_init |
1514 | hidnplayr | 198 | |
199 | mov [net_tmr_count], 0 |
||
1159 | hidnplayr | 200 | |
201 | ret |
||
202 | |||
203 | |||
1257 | hidnplayr | 204 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 205 | ; |
206 | ; stack_handler |
||
207 | ; |
||
1514 | hidnplayr | 208 | ; This function is called in kernel loop |
1159 | hidnplayr | 209 | ; |
210 | ; IN: / |
||
211 | ; OUT: / |
||
212 | ; |
||
1257 | hidnplayr | 213 | ;----------------------------------------------------------------- |
1159 | hidnplayr | 214 | align 4 |
215 | stack_handler: |
||
216 | |||
1514 | hidnplayr | 217 | cmp [NET_RUNNING], 0 |
1257 | hidnplayr | 218 | je .exit |
1159 | hidnplayr | 219 | |
1318 | hidnplayr | 220 | ; Test for 10ms tick |
1257 | hidnplayr | 221 | mov eax, [timer_ticks] |
1514 | hidnplayr | 222 | cmp eax, [net_10ms] |
1257 | hidnplayr | 223 | je .exit |
1514 | hidnplayr | 224 | mov [net_10ms], eax |
1159 | hidnplayr | 225 | |
1519 | hidnplayr | 226 | test [net_10ms], 0x0f ; 160ms |
227 | jnz .exit |
||
1249 | hidnplayr | 228 | |
1529 | hidnplayr | 229 | TCP_timer_160ms |
1159 | hidnplayr | 230 | |
1519 | hidnplayr | 231 | test [net_10ms], 0x3f ; 640ms |
232 | jnz .exit |
||
233 | |||
1529 | hidnplayr | 234 | TCP_timer_640ms |
235 | ARP_decrease_entry_ttls |
||
236 | IPv4_decrease_fragment_ttls |
||
1159 | hidnplayr | 237 | |
238 | .exit: |
||
1257 | hidnplayr | 239 | ret |
1159 | hidnplayr | 240 | |
241 | |||
1514 | hidnplayr | 242 | |
1249 | hidnplayr | 243 | ;----------------------------------------------------------------- |
244 | ; |
||
1514 | hidnplayr | 245 | ; NET_Add_Device: |
246 | ; |
||
247 | ; This function is called by the network drivers, |
||
248 | ; to register each running NIC to the kernel |
||
249 | ; |
||
250 | ; IN: Pointer to device structure in ebx |
||
251 | ; OUT: Device num in eax, -1 on error |
||
252 | ; |
||
253 | ;----------------------------------------------------------------- |
||
254 | align 4 |
||
255 | NET_add_device: |
||
256 | |||
257 | DEBUGF 1,"NET_Add_Device: %x\n", ebx |
||
258 | |||
259 | mov eax, [NET_RUNNING] |
||
260 | cmp eax, MAX_NET_DEVICES |
||
261 | jge .error |
||
262 | |||
263 | ;---------------------------------- |
||
264 | ; Check if device is already listed |
||
265 | mov eax, ebx |
||
266 | mov ecx, MAX_NET_DEVICES ; We need to check whole list because a device may be removed without re-organizing list |
||
267 | mov edi, NET_DRV_LIST |
||
268 | |||
269 | repne scasd ; See if device is already in the list |
||
270 | jz .error |
||
271 | |||
272 | ;---------------------------- |
||
273 | ; Find empty slot in the list |
||
274 | xor eax, eax |
||
275 | mov ecx, MAX_NET_DEVICES |
||
276 | mov edi, NET_DRV_LIST |
||
277 | |||
278 | repne scasd |
||
279 | jnz .error |
||
280 | |||
281 | sub edi, 4 |
||
282 | |||
283 | cmp [ebx + NET_DEVICE.type], NET_TYPE_ETH |
||
284 | je .ethernet |
||
285 | |||
286 | cmp [ebx + NET_DEVICE.type], NET_TYPE_SLIP |
||
287 | je .slip |
||
288 | |||
289 | DEBUGF 1,"Unknown network device type: %u\n", [ebx + NET_DEVICE.type] |
||
290 | jmp .error |
||
291 | |||
292 | .ethernet: |
||
1529 | hidnplayr | 293 | DEBUGF 1,"Trying to add an ethernet device\n" |
1514 | hidnplayr | 294 | |
295 | inc [ETH_RUNNING] ; Indicate that one more ethernet device is up and running |
||
296 | jmp .add_it |
||
297 | |||
298 | .slip: |
||
1529 | hidnplayr | 299 | DEBUGF 1,"Trying to add a slip device\n" |
1514 | hidnplayr | 300 | ;;;; |
301 | jmp .error |
||
302 | |||
303 | |||
304 | .add_it: |
||
305 | |||
306 | ;----------------------------- |
||
307 | ; Add device to the found slot |
||
308 | mov [edi], ebx ; add device to list |
||
309 | |||
310 | sub edi, NET_DRV_LIST ; Calculate device number in eax |
||
311 | mov eax, edi ; |
||
312 | shr eax, 2 |
||
313 | |||
314 | inc [NET_RUNNING] ; Indicate that one more network device is up and running |
||
315 | |||
316 | DEBUGF 1,"Device number: %u\n",eax |
||
317 | ret |
||
318 | |||
319 | .error: |
||
320 | or eax, -1 |
||
321 | DEBUGF 2,"Adding network device failed\n" |
||
322 | ret |
||
323 | |||
324 | |||
325 | |||
326 | ;----------------------------------------------------------------- |
||
327 | ; |
||
328 | ; NET_Remove_Device: |
||
329 | ; |
||
330 | ; This function is called by etwork drivers, |
||
331 | ; to unregister network devices from the kernel |
||
332 | ; |
||
333 | ; IN: Pointer to device structure in ebx |
||
334 | ; OUT: eax: -1 on error |
||
335 | ; |
||
336 | ;----------------------------------------------------------------- |
||
337 | align 4 |
||
338 | NET_remove_device: |
||
339 | |||
340 | cmp [NET_RUNNING], 0 |
||
341 | je .error |
||
342 | |||
343 | ;---------------------------- |
||
344 | ; Find the driver in the list |
||
345 | |||
346 | mov eax, ebx |
||
347 | mov ecx, MAX_NET_DEVICES |
||
348 | mov edi, NET_DRV_LIST |
||
349 | |||
350 | repne scasd |
||
351 | jnz .error |
||
352 | |||
353 | ;------------------------ |
||
354 | ; Remove it from the list |
||
355 | |||
356 | xor eax, eax |
||
357 | mov dword [edi-4], eax |
||
358 | |||
359 | dec [NET_RUNNING] |
||
360 | ret |
||
361 | |||
362 | .error: |
||
363 | or eax, -1 |
||
364 | ret |
||
365 | |||
366 | |||
367 | |||
368 | ;----------------------------------------------------------------- |
||
369 | ; |
||
370 | ; NET_ptr_to_num |
||
371 | ; |
||
372 | ; IN: ebx = ptr to device struct |
||
373 | ; OUT: edi = -1 on error, device number otherwise |
||
374 | ; |
||
375 | ;----------------------------------------------------------------- |
||
376 | align 4 |
||
377 | NET_ptr_to_num: |
||
378 | push ecx |
||
379 | |||
380 | mov ecx, MAX_NET_DEVICES |
||
381 | mov edi, NET_DRV_LIST |
||
382 | |||
383 | .loop: |
||
384 | cmp ebx, [edi] |
||
385 | jz .found |
||
386 | add edi, 4 |
||
387 | dec ecx |
||
388 | jnz .loop |
||
389 | |||
390 | ; repnz scasd could work too if eax is used instead of ebx! |
||
391 | |||
392 | or edi, -1 |
||
393 | |||
394 | pop ecx |
||
395 | ret |
||
396 | |||
397 | .found: |
||
398 | sub edi, NET_DRV_LIST |
||
399 | shr edi, 2 |
||
400 | |||
401 | pop ecx |
||
402 | ret |
||
403 | |||
404 | ;----------------------------------------------------------------- |
||
405 | ; |
||
1249 | hidnplayr | 406 | ; checksum_1 |
407 | ; |
||
1482 | hidnplayr | 408 | ; This is the first of two functions needed to calculate a checksum. |
1249 | hidnplayr | 409 | ; |
1473 | hidnplayr | 410 | ; IN: edx = start offset for semi-checksum |
1249 | hidnplayr | 411 | ; esi = pointer to data |
412 | ; ecx = data size |
||
413 | ; OUT: edx = semi-checksum |
||
414 | ; |
||
1473 | hidnplayr | 415 | ; |
416 | ; Code was optimized by diamond |
||
417 | ; |
||
1249 | hidnplayr | 418 | ;----------------------------------------------------------------- |
419 | align 4 |
||
420 | checksum_1: |
||
1159 | hidnplayr | 421 | |
1249 | hidnplayr | 422 | shr ecx, 1 |
423 | pushf |
||
1473 | hidnplayr | 424 | jz .no_2 |
1159 | hidnplayr | 425 | |
1473 | hidnplayr | 426 | shr ecx, 1 |
427 | pushf |
||
428 | jz .no_4 |
||
429 | |||
430 | shr ecx, 1 |
||
431 | pushf |
||
432 | jz .no_8 |
||
433 | |||
434 | .loop: |
||
435 | add dl, [esi+1] |
||
436 | adc dh, [esi+0] |
||
437 | |||
438 | adc dl, [esi+3] |
||
439 | adc dh, [esi+2] |
||
440 | |||
441 | adc dl, [esi+5] |
||
442 | adc dh, [esi+4] |
||
443 | |||
444 | adc dl, [esi+7] |
||
445 | adc dh, [esi+6] |
||
446 | |||
447 | adc edx, 0 |
||
448 | add esi, 8 |
||
449 | |||
450 | dec ecx |
||
451 | jnz .loop |
||
452 | |||
453 | adc edx, 0 |
||
454 | |||
455 | .no_8: |
||
1249 | hidnplayr | 456 | popf |
1473 | hidnplayr | 457 | jnc .no_4 |
458 | |||
459 | add dl, [esi+1] |
||
460 | adc dh, [esi+0] |
||
461 | |||
462 | adc dl, [esi+3] |
||
463 | adc dh, [esi+2] |
||
464 | |||
465 | adc edx, 0 |
||
466 | add esi, 4 |
||
467 | |||
468 | .no_4: |
||
469 | popf |
||
470 | jnc .no_2 |
||
471 | |||
472 | add dl, [esi+1] |
||
473 | adc dh, [esi+0] |
||
474 | |||
475 | adc edx, 0 |
||
1483 | hidnplayr | 476 | inc esi |
477 | inc esi |
||
1473 | hidnplayr | 478 | |
479 | .no_2: |
||
480 | popf |
||
1249 | hidnplayr | 481 | jnc .end |
1159 | hidnplayr | 482 | |
1473 | hidnplayr | 483 | add dh, [esi+0] |
1251 | clevermous | 484 | adc edx, 0 |
1473 | hidnplayr | 485 | .end: |
486 | ret |
||
1159 | hidnplayr | 487 | |
1249 | hidnplayr | 488 | ;----------------------------------------------------------------- |
489 | ; |
||
490 | ; checksum_2 |
||
491 | ; |
||
492 | ; This function calculates the final ip/tcp/udp checksum for you |
||
493 | ; |
||
494 | ; IN: edx = semi-checksum |
||
495 | ; OUT: dx = checksum (in INET byte order) |
||
496 | ; |
||
497 | ;----------------------------------------------------------------- |
||
498 | align 4 |
||
499 | checksum_2: |
||
500 | |||
501 | mov ecx, edx |
||
502 | shr ecx, 16 |
||
503 | and edx, 0xffff |
||
504 | add edx, ecx |
||
505 | |||
1482 | hidnplayr | 506 | mov ecx, edx |
507 | shr ecx, 16 |
||
1529 | hidnplayr | 508 | add dx, cx |
509 | test dx, dx ; it seems that ZF is not set when CF is set :( |
||
1249 | hidnplayr | 510 | not dx |
511 | jnz .not_zero |
||
512 | dec dx |
||
513 | .not_zero: |
||
514 | xchg dl, dh |
||
515 | |||
1529 | hidnplayr | 516 | DEBUGF 1,"Checksum: %x\n", dx |
1249 | hidnplayr | 517 | |
518 | ret |
||
519 | |||
520 | |||
521 | |||
1159 | hidnplayr | 522 | ;---------------------------------------------------------------- |
523 | ; |
||
1171 | hidnplayr | 524 | ; System function to work with network devices (73) |
1159 | hidnplayr | 525 | ; |
526 | ;---------------------------------------------------------------- |
||
527 | align 4 |
||
528 | sys_network: |
||
529 | |||
1196 | hidnplayr | 530 | cmp ebx, -1 |
531 | jne @f |
||
532 | |||
1514 | hidnplayr | 533 | mov eax, [NET_RUNNING] |
1196 | hidnplayr | 534 | jmp .return |
535 | |||
536 | @@: |
||
1159 | hidnplayr | 537 | cmp bh, MAX_NET_DEVICES ; Check if device number exists |
538 | jge .doesnt_exist |
||
539 | |||
540 | mov esi, ebx |
||
541 | and esi, 0x0000ff00 |
||
542 | shr esi, 6 |
||
543 | |||
1514 | hidnplayr | 544 | cmp dword [esi + NET_DRV_LIST], 0 ; check if driver is running |
1159 | hidnplayr | 545 | je .doesnt_exist |
546 | |||
1514 | hidnplayr | 547 | test bl, bl ; 0 = Get device type (ethernet/token ring/...) |
1159 | hidnplayr | 548 | jnz @f |
1514 | hidnplayr | 549 | |
1192 | hidnplayr | 550 | xor eax, eax |
551 | jmp .return |
||
1159 | hidnplayr | 552 | |
553 | |||
554 | @@: |
||
555 | dec bl ; 1 = Get device name |
||
556 | jnz @f |
||
557 | |||
1514 | hidnplayr | 558 | mov esi, [esi + NET_DRV_LIST] |
1519 | hidnplayr | 559 | mov esi, [esi + NET_DEVICE.name] |
1159 | hidnplayr | 560 | mov edi, ecx |
561 | |||
562 | mov ecx, 64 ; max length |
||
563 | repnz movsb |
||
564 | |||
1192 | hidnplayr | 565 | xor eax, eax |
566 | jmp .return |
||
1159 | hidnplayr | 567 | |
1192 | hidnplayr | 568 | @@: |
1159 | hidnplayr | 569 | |
1192 | hidnplayr | 570 | dec bl ; 2 = Reset the device |
571 | jnz @f |
||
572 | |||
1514 | hidnplayr | 573 | mov esi, [esi + NET_DRV_LIST] |
1519 | hidnplayr | 574 | call [esi + NET_DEVICE.reset] |
1192 | hidnplayr | 575 | jmp .return |
576 | |||
1159 | hidnplayr | 577 | @@: |
1192 | hidnplayr | 578 | |
579 | dec bl ; 3 = Stop driver for this device |
||
580 | jnz @f |
||
581 | |||
1514 | hidnplayr | 582 | mov esi, [esi + NET_DRV_LIST] |
1519 | hidnplayr | 583 | call [esi + NET_DEVICE.unload] |
1192 | hidnplayr | 584 | jmp .return |
585 | |||
586 | @@: |
||
1249 | hidnplayr | 587 | dec bl ; 4 = Get driver pointer |
588 | jnz @f |
||
1192 | hidnplayr | 589 | |
1249 | hidnplayr | 590 | ; ..; |
591 | |||
592 | |||
593 | @@: |
||
594 | ; ... ; 5 Get driver name |
||
595 | |||
1159 | hidnplayr | 596 | .doesnt_exist: |
597 | DEBUGF 1,"sys_network: invalid device/function specified!\n" |
||
598 | mov eax, -1 |
||
599 | |||
1192 | hidnplayr | 600 | .return: |
601 | mov [esp+28+4], eax |
||
1159 | hidnplayr | 602 | ret |
603 | |||
604 | |||
605 | ;---------------------------------------------------------------- |
||
606 | ; |
||
1514 | hidnplayr | 607 | ; System function to work with protocols (75) |
1159 | hidnplayr | 608 | ; |
609 | ;---------------------------------------------------------------- |
||
610 | align 4 |
||
611 | sys_protocols: |
||
612 | cmp bh, MAX_NET_DEVICES ; Check if device number exists |
||
613 | jge .doesnt_exist |
||
614 | |||
615 | mov esi, ebx |
||
616 | and esi, 0x0000ff00 |
||
1514 | hidnplayr | 617 | shr esi, 6 ; now we have the device num * 4 in esi |
618 | cmp dword [esi + NET_DRV_LIST], 0 ; check if driver is running |
||
1159 | hidnplayr | 619 | je .doesnt_exist |
620 | |||
621 | push .return ; return address (we will be using jumps instead of calls) |
||
622 | |||
623 | mov eax, ebx ; set ax to protocol number |
||
624 | shr eax, 16 ; |
||
625 | |||
626 | cmp ax , IP_PROTO_IP |
||
627 | je IPv4_API |
||
628 | |||
629 | cmp ax , IP_PROTO_ICMP |
||
630 | je ICMP_API |
||
631 | |||
632 | cmp ax , IP_PROTO_UDP |
||
633 | je UDP_API |
||
634 | |||
1171 | hidnplayr | 635 | cmp ax , IP_PROTO_TCP |
1254 | hidnplayr | 636 | je TCP_API |
1159 | hidnplayr | 637 | |
1171 | hidnplayr | 638 | cmp ax , ETHER_ARP |
1159 | hidnplayr | 639 | je ARP_API |
640 | |||
1519 | hidnplayr | 641 | cmp ax , 1337 ;;;;; |
1159 | hidnplayr | 642 | je ETH_API |
643 | |||
1171 | hidnplayr | 644 | add esp, 4 ; if we reached here, no function was called, so we need to balance stack |
1159 | hidnplayr | 645 | |
646 | .doesnt_exist: |
||
1519 | hidnplayr | 647 | DEBUGF 1,"sys_protocols: protocol %u doesnt exist on device %u!\n", ax, bh |
1159 | hidnplayr | 648 | mov eax, -1 |
649 | |||
650 | .return: |
||
1171 | hidnplayr | 651 | mov [esp+28+4], eax |
1257 | hidnplayr | 652 | ret |
1473 | hidnplayr | 653 | |
654 | |||
655 | __DEBUG_LEVEL__ equ __DEBUG_LEVEL_OLD__ |