| 1 |
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/* |
| 2 |
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* ether_beos.cpp - Ethernet device driver, BeOS specific stuff |
| 3 |
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* |
| 4 |
< |
* Basilisk II (C) 1997-1999 Christian Bauer |
| 5 |
< |
* Portions (C) 1997-1999 Marc Hellwig |
| 4 |
> |
* Basilisk II (C) 1997-2008 Christian Bauer |
| 5 |
> |
* Portions written by Marc Hellwig |
| 6 |
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* |
| 7 |
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* This program is free software; you can redistribute it and/or modify |
| 8 |
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* it under the terms of the GNU General Public License as published by |
| 19 |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 20 |
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*/ |
| 21 |
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|
| 22 |
+ |
#include "sysdeps.h" |
| 23 |
+ |
|
| 24 |
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#include <KernelKit.h> |
| 25 |
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#include <AppKit.h> |
| 26 |
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#include <StorageKit.h> |
| 29 |
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#include <stdio.h> |
| 30 |
|
#include <stdlib.h> |
| 31 |
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#include <string.h> |
| 32 |
+ |
#include <sys/socket.h> |
| 33 |
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|
| 31 |
– |
#include "sysdeps.h" |
| 34 |
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#include "cpu_emulation.h" |
| 35 |
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#include "main.h" |
| 36 |
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#include "prefs.h" |
| 66 |
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static uint32 wr_pos; // Current write position in packet buffer |
| 67 |
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static sem_id read_sem, write_sem; // Semaphores to trigger packet reading/writing |
| 68 |
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|
| 69 |
+ |
static int fd = -1; // UDP socket fd |
| 70 |
+ |
static bool udp_tunnel = false; |
| 71 |
+ |
|
| 72 |
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|
| 73 |
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// Prototypes |
| 74 |
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static status_t receive_proc(void *data); |
| 95 |
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|
| 96 |
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|
| 97 |
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/* |
| 98 |
+ |
* Remove all protocols |
| 99 |
+ |
*/ |
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+ |
|
| 101 |
+ |
static void remove_all_protocols(void) |
| 102 |
+ |
{ |
| 103 |
+ |
NetProtocol *p; |
| 104 |
+ |
while ((p = (NetProtocol *)prot_list.RemoveItem((long)0)) != NULL) |
| 105 |
+ |
delete p; |
| 106 |
+ |
} |
| 107 |
+ |
|
| 108 |
+ |
|
| 109 |
+ |
/* |
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* Initialization |
| 111 |
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*/ |
| 112 |
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|
| 113 |
< |
void EtherInit(void) |
| 113 |
> |
bool ether_init(void) |
| 114 |
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{ |
| 115 |
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// Do nothing if no Ethernet device specified |
| 116 |
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if (PrefsFindString("ether") == NULL) |
| 117 |
< |
return; |
| 117 |
> |
return false; |
| 118 |
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|
| 119 |
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// Find net_server team |
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i_wanna_try_that_again: |
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// It was found, so something else must be wrong |
| 154 |
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if (sheep_net_found) { |
| 155 |
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WarningAlert(GetString(STR_NO_NET_ADDON_WARN)); |
| 156 |
< |
return; |
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> |
return false; |
| 157 |
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} |
| 158 |
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|
| 159 |
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// Not found, inform the user |
| 160 |
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if (!ChoiceAlert(GetString(STR_NET_CONFIG_MODIFY_WARN), GetString(STR_OK_BUTTON), GetString(STR_CANCEL_BUTTON))) |
| 161 |
< |
return; |
| 161 |
> |
return false; |
| 162 |
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|
| 163 |
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// Change the network config file and restart the network |
| 164 |
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fin = fopen("/boot/home/config/settings/network", "r"); |
| 213 |
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area_id handler_buffer; |
| 214 |
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if ((handler_buffer = find_area("packet buffer")) < B_NO_ERROR) { |
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WarningAlert(GetString(STR_NET_ADDON_INIT_FAILED)); |
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< |
return; |
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> |
return false; |
| 217 |
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} |
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if ((buffer_area = clone_area("local packet buffer", (void **)&net_buffer_ptr, B_ANY_ADDRESS, B_READ_AREA | B_WRITE_AREA, handler_buffer)) < B_NO_ERROR) { |
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D(bug("EtherInit: couldn't clone packet area\n")); |
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WarningAlert(GetString(STR_NET_ADDON_CLONE_FAILED)); |
| 221 |
< |
return; |
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> |
return false; |
| 222 |
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} |
| 223 |
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if ((read_sem = create_sem(0, "ether read")) < B_NO_ERROR) { |
| 224 |
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printf("FATAL: can't create Ethernet semaphore\n"); |
| 225 |
< |
return; |
| 225 |
> |
return false; |
| 226 |
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} |
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net_buffer_ptr->read_sem = read_sem; |
| 228 |
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write_sem = net_buffer_ptr->write_sem; |
| 238 |
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D(bug("Ethernet address %02x %02x %02x %02x %02x %02x\n", ether_addr[0], ether_addr[1], ether_addr[2], ether_addr[3], ether_addr[4], ether_addr[5])); |
| 239 |
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|
| 240 |
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// Everything OK |
| 241 |
< |
net_open = true; |
| 241 |
> |
return true; |
| 242 |
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} |
| 243 |
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|
| 244 |
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|
| 246 |
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* Deinitialization |
| 247 |
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*/ |
| 248 |
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|
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< |
void EtherExit(void) |
| 249 |
> |
void ether_exit(void) |
| 250 |
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{ |
| 251 |
< |
if (net_open) { |
| 251 |
> |
// Close communications with add-on |
| 252 |
> |
for (int i=0; i<WRITE_PACKET_COUNT; i++) |
| 253 |
> |
net_buffer_ptr->write[i].cmd = IN_USE | (DEACTIVATE_SHEEP_NET << 8); |
| 254 |
> |
release_sem(write_sem); |
| 255 |
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|
| 256 |
< |
// Close communications with add-on |
| 257 |
< |
for (int i=0; i<WRITE_PACKET_COUNT; i++) |
| 258 |
< |
net_buffer_ptr->write[i].cmd = IN_USE | (DEACTIVATE_SHEEP_NET << 8); |
| 259 |
< |
release_sem(write_sem); |
| 256 |
> |
// Quit reception thread |
| 257 |
> |
ether_thread_active = false; |
| 258 |
> |
status_t result; |
| 259 |
> |
release_sem(read_sem); |
| 260 |
> |
wait_for_thread(read_thread, &result); |
| 261 |
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|
| 262 |
< |
// Quit reception thread |
| 263 |
< |
ether_thread_active = false; |
| 264 |
< |
status_t result; |
| 265 |
< |
release_sem(read_sem); |
| 266 |
< |
wait_for_thread(read_thread, &result); |
| 246 |
< |
|
| 247 |
< |
delete_sem(read_sem); |
| 248 |
< |
delete_area(buffer_area); |
| 249 |
< |
|
| 250 |
< |
// Remove all protocols |
| 251 |
< |
NetProtocol *p; |
| 252 |
< |
while ((p = (NetProtocol *)prot_list.RemoveItem((long)0)) != NULL) |
| 253 |
< |
delete p; |
| 254 |
< |
} |
| 262 |
> |
delete_sem(read_sem); |
| 263 |
> |
delete_area(buffer_area); |
| 264 |
> |
|
| 265 |
> |
// Remove all protocols |
| 266 |
> |
remove_all_protocols(); |
| 267 |
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} |
| 268 |
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|
| 269 |
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|
| 271 |
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* Reset |
| 272 |
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*/ |
| 273 |
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|
| 274 |
< |
void EtherReset(void) |
| 274 |
> |
void ether_reset(void) |
| 275 |
|
{ |
| 276 |
< |
// Remove all protocols |
| 265 |
< |
NetProtocol *p; |
| 266 |
< |
while ((p = (NetProtocol *)prot_list.RemoveItem((long)0)) != NULL) |
| 267 |
< |
delete p; |
| 276 |
> |
remove_all_protocols(); |
| 277 |
|
} |
| 278 |
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|
| 279 |
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|
| 283 |
|
|
| 284 |
|
int16 ether_add_multicast(uint32 pb) |
| 285 |
|
{ |
| 277 |
– |
uint8 *addr = Mac2HostAddr(pb + eMultiAddr); |
| 286 |
|
net_packet *p = &net_buffer_ptr->write[wr_pos]; |
| 287 |
|
if (p->cmd & IN_USE) { |
| 288 |
|
D(bug("WARNING: Couldn't enable multicast address\n")); |
| 289 |
|
} else { |
| 290 |
< |
memcpy(p->data, addr, 6); |
| 290 |
> |
Mac2Host_memcpy(p->data, pb + eMultiAddr, 6); |
| 291 |
|
p->length = 6; |
| 292 |
|
p->cmd = IN_USE | (ADD_MULTICAST << 8); |
| 293 |
|
wr_pos = (wr_pos + 1) % WRITE_PACKET_COUNT; |
| 303 |
|
|
| 304 |
|
int16 ether_del_multicast(uint32 pb) |
| 305 |
|
{ |
| 298 |
– |
uint8 *addr = Mac2HostAddr(pb + eMultiAddr); |
| 306 |
|
net_packet *p = &net_buffer_ptr->write[wr_pos]; |
| 307 |
|
if (p->cmd & IN_USE) { |
| 308 |
|
D(bug("WARNING: Couldn't enable multicast address\n")); |
| 309 |
|
} else { |
| 310 |
< |
memcpy(p->data, addr, 6); |
| 310 |
> |
Mac2Host_memcpy(p->data, pb + eMultiAddr, 6); |
| 311 |
|
p->length = 6; |
| 312 |
|
p->cmd = IN_USE | (REMOVE_MULTICAST << 8); |
| 313 |
|
wr_pos = (wr_pos + 1) % WRITE_PACKET_COUNT; |
| 366 |
|
} else { |
| 367 |
|
|
| 368 |
|
// Copy packet to buffer |
| 369 |
< |
uint8 *start; |
| 363 |
< |
uint8 *bp = start = p->data; |
| 364 |
< |
for (;;) { |
| 365 |
< |
int len = ReadMacInt16(wds); |
| 366 |
< |
if (len == 0) |
| 367 |
< |
break; |
| 368 |
< |
memcpy(bp, Mac2HostAddr(ReadMacInt32(wds + 2)), len); |
| 369 |
< |
bp += len; |
| 370 |
< |
wds += 6; |
| 371 |
< |
} |
| 372 |
< |
|
| 373 |
< |
// Set source address |
| 374 |
< |
memcpy(start + 6, ether_addr, 6); |
| 369 |
> |
int len = ether_wds_to_buffer(wds, p->data); |
| 370 |
|
|
| 371 |
|
#if MONITOR |
| 372 |
|
bug("Sending Ethernet packet:\n"); |
| 373 |
< |
for (int i=0; i<(uint32)(bp-start); i++) { |
| 374 |
< |
bug("%02x ", start[i]); |
| 373 |
> |
for (int i=0; i<len; i++) { |
| 374 |
> |
bug("%02x ", p->data[i]); |
| 375 |
|
} |
| 376 |
|
bug("\n"); |
| 377 |
|
#endif |
| 378 |
|
|
| 379 |
|
// Notify add-on |
| 380 |
< |
p->length = (uint32)(bp - start); |
| 380 |
> |
p->length = len; |
| 381 |
|
p->cmd = IN_USE | (SHEEP_PACKET << 8); |
| 382 |
|
wr_pos = (wr_pos + 1) % WRITE_PACKET_COUNT; |
| 383 |
|
release_sem(write_sem); |
| 387 |
|
|
| 388 |
|
|
| 389 |
|
/* |
| 390 |
< |
* Packet reception thread |
| 390 |
> |
* Packet reception thread (non-UDP) |
| 391 |
|
*/ |
| 392 |
|
|
| 393 |
|
static status_t receive_proc(void *data) |
| 405 |
|
|
| 406 |
|
|
| 407 |
|
/* |
| 408 |
+ |
* Packet reception thread (UDP) |
| 409 |
+ |
*/ |
| 410 |
+ |
|
| 411 |
+ |
static status_t receive_proc_udp(void *data) |
| 412 |
+ |
{ |
| 413 |
+ |
while (ether_thread_active) { |
| 414 |
+ |
fd_set readfds; |
| 415 |
+ |
FD_ZERO(&readfds); |
| 416 |
+ |
FD_SET(fd, &readfds); |
| 417 |
+ |
struct timeval timeout; |
| 418 |
+ |
timeout.tv_sec = 1; |
| 419 |
+ |
timeout.tv_usec = 0; |
| 420 |
+ |
if (select(fd+1, &readfds, NULL, NULL, &timeout) > 0) { |
| 421 |
+ |
D(bug(" packet received, triggering Ethernet interrupt\n")); |
| 422 |
+ |
SetInterruptFlag(INTFLAG_ETHER); |
| 423 |
+ |
TriggerInterrupt(); |
| 424 |
+ |
} |
| 425 |
+ |
} |
| 426 |
+ |
return 0; |
| 427 |
+ |
} |
| 428 |
+ |
|
| 429 |
+ |
|
| 430 |
+ |
/* |
| 431 |
+ |
* Start UDP packet reception thread |
| 432 |
+ |
*/ |
| 433 |
+ |
|
| 434 |
+ |
bool ether_start_udp_thread(int socket_fd) |
| 435 |
+ |
{ |
| 436 |
+ |
fd = socket_fd; |
| 437 |
+ |
udp_tunnel = true; |
| 438 |
+ |
ether_thread_active = true; |
| 439 |
+ |
read_thread = spawn_thread(receive_proc_udp, "UDP Receiver", B_URGENT_DISPLAY_PRIORITY, NULL); |
| 440 |
+ |
resume_thread(read_thread); |
| 441 |
+ |
return true; |
| 442 |
+ |
} |
| 443 |
+ |
|
| 444 |
+ |
|
| 445 |
+ |
/* |
| 446 |
+ |
* Stop UDP packet reception thread |
| 447 |
+ |
*/ |
| 448 |
+ |
|
| 449 |
+ |
void ether_stop_udp_thread(void) |
| 450 |
+ |
{ |
| 451 |
+ |
ether_thread_active = false; |
| 452 |
+ |
status_t result; |
| 453 |
+ |
wait_for_thread(read_thread, &result); |
| 454 |
+ |
} |
| 455 |
+ |
|
| 456 |
+ |
|
| 457 |
+ |
/* |
| 458 |
|
* Ethernet interrupt - activate deferred tasks to call IODone or protocol handlers |
| 459 |
|
*/ |
| 460 |
|
|
| 461 |
|
void EtherInterrupt(void) |
| 462 |
|
{ |
| 463 |
|
D(bug("EtherIRQ\n")); |
| 464 |
+ |
EthernetPacket ether_packet; |
| 465 |
+ |
uint32 packet = ether_packet.addr(); |
| 466 |
+ |
|
| 467 |
+ |
if (udp_tunnel) { |
| 468 |
+ |
|
| 469 |
+ |
ssize_t length; |
| 470 |
|
|
| 471 |
< |
// Call protocol handler for received packets |
| 472 |
< |
net_packet *p = &net_buffer_ptr->read[rd_pos]; |
| 473 |
< |
while (p->cmd & IN_USE) { |
| 474 |
< |
if ((p->cmd >> 8) == SHEEP_PACKET) { |
| 471 |
> |
// Read packets from socket and hand to ether_udp_read() for processing |
| 472 |
> |
while (true) { |
| 473 |
> |
struct sockaddr_in from; |
| 474 |
> |
socklen_t from_len = sizeof(from); |
| 475 |
> |
length = recvfrom(fd, Mac2HostAddr(packet), 1514, 0, (struct sockaddr *)&from, &from_len); |
| 476 |
> |
if (length < 14) |
| 477 |
> |
break; |
| 478 |
> |
ether_udp_read(packet, length, &from); |
| 479 |
> |
} |
| 480 |
> |
|
| 481 |
> |
} else { |
| 482 |
> |
|
| 483 |
> |
// Call protocol handler for received packets |
| 484 |
> |
net_packet *p = &net_buffer_ptr->read[rd_pos]; |
| 485 |
> |
while (p->cmd & IN_USE) { |
| 486 |
> |
if ((p->cmd >> 8) == SHEEP_PACKET) { |
| 487 |
> |
Host2Mac_memcpy(packet, p->data, p->length); |
| 488 |
|
#if MONITOR |
| 489 |
< |
bug("Receiving Ethernet packet:\n"); |
| 490 |
< |
for (int i=0; i<p->length; i++) { |
| 491 |
< |
bug("%02x ", p->data[i]); |
| 492 |
< |
} |
| 493 |
< |
bug("\n"); |
| 489 |
> |
bug("Receiving Ethernet packet:\n"); |
| 490 |
> |
for (int i=0; i<p->length; i++) { |
| 491 |
> |
bug("%02x ", ReadMacInt8(packet + i)); |
| 492 |
> |
} |
| 493 |
> |
bug("\n"); |
| 494 |
|
#endif |
| 495 |
< |
// Get packet type |
| 496 |
< |
uint16 type = ntohs(*(uint16 *)(p->data + 12)); |
| 495 |
> |
// Get packet type |
| 496 |
> |
uint16 type = ReadMacInt16(packet + 12); |
| 497 |
|
|
| 498 |
< |
// Look for protocol |
| 499 |
< |
NetProtocol *prot = find_protocol(type); |
| 500 |
< |
if (prot == NULL) |
| 501 |
< |
goto next; |
| 502 |
< |
|
| 503 |
< |
// No default handler |
| 504 |
< |
if (prot->handler == 0) |
| 505 |
< |
goto next; |
| 506 |
< |
|
| 507 |
< |
// Copy header to RHA |
| 508 |
< |
memcpy(Mac2HostAddr(ether_data + ed_RHA), p->data, 14); |
| 509 |
< |
D(bug(" header %08lx%04lx %08lx%04lx %04lx\n", ReadMacInt32(ether_data + ed_RHA), ReadMacInt16(ether_data + ed_RHA + 4), ReadMacInt32(ether_data + ed_RHA + 6), ReadMacInt16(ether_data + ed_RHA + 10), ReadMacInt16(ether_data + ed_RHA + 12))); |
| 510 |
< |
|
| 511 |
< |
// Call protocol handler |
| 512 |
< |
M68kRegisters r; |
| 513 |
< |
r.d[0] = type; // Packet type |
| 514 |
< |
r.d[1] = p->length - 14; // Remaining packet length (without header, for ReadPacket) |
| 515 |
< |
r.a[0] = (uint32)p->data + 14; // Pointer to packet (host address, for ReadPacket) |
| 516 |
< |
r.a[3] = ether_data + ed_RHA + 14; // Pointer behind header in RHA |
| 517 |
< |
r.a[4] = ether_data + ed_ReadPacket; // Pointer to ReadPacket/ReadRest routines |
| 518 |
< |
D(bug(" calling protocol handler %08lx, type %08lx, length %08lx, data %08lx, rha %08lx, read_packet %08lx\n", prot->handler, r.d[0], r.d[1], r.a[0], r.a[3], r.a[4])); |
| 519 |
< |
Execute68k(prot->handler, &r); |
| 498 |
> |
// Look for protocol |
| 499 |
> |
NetProtocol *prot = find_protocol(type); |
| 500 |
> |
if (prot == NULL) |
| 501 |
> |
goto next; |
| 502 |
> |
|
| 503 |
> |
// No default handler |
| 504 |
> |
if (prot->handler == 0) |
| 505 |
> |
goto next; |
| 506 |
> |
|
| 507 |
> |
// Copy header to RHA |
| 508 |
> |
Mac2Mac_memcpy(ether_data + ed_RHA, packet, 14); |
| 509 |
> |
D(bug(" header %08lx%04lx %08lx%04lx %04lx\n", ReadMacInt32(ether_data + ed_RHA), ReadMacInt16(ether_data + ed_RHA + 4), ReadMacInt32(ether_data + ed_RHA + 6), ReadMacInt16(ether_data + ed_RHA + 10), ReadMacInt16(ether_data + ed_RHA + 12))); |
| 510 |
> |
|
| 511 |
> |
// Call protocol handler |
| 512 |
> |
M68kRegisters r; |
| 513 |
> |
r.d[0] = type; // Packet type |
| 514 |
> |
r.d[1] = p->length - 14; // Remaining packet length (without header, for ReadPacket) |
| 515 |
> |
r.a[0] = packet + 14; // Pointer to packet (Mac address, for ReadPacket) |
| 516 |
> |
r.a[3] = ether_data + ed_RHA + 14; // Pointer behind header in RHA |
| 517 |
> |
r.a[4] = ether_data + ed_ReadPacket; // Pointer to ReadPacket/ReadRest routines |
| 518 |
> |
D(bug(" calling protocol handler %08lx, type %08lx, length %08lx, data %08lx, rha %08lx, read_packet %08lx\n", prot->handler, r.d[0], r.d[1], r.a[0], r.a[3], r.a[4])); |
| 519 |
> |
Execute68k(prot->handler, &r); |
| 520 |
> |
} |
| 521 |
> |
next: p->cmd = 0; // Free packet |
| 522 |
> |
rd_pos = (rd_pos + 1) % READ_PACKET_COUNT; |
| 523 |
> |
p = &net_buffer_ptr->read[rd_pos]; |
| 524 |
|
} |
| 457 |
– |
next: p->cmd = 0; // Free packet |
| 458 |
– |
rd_pos = (rd_pos + 1) % READ_PACKET_COUNT; |
| 459 |
– |
p = &net_buffer_ptr->read[rd_pos]; |
| 525 |
|
} |
| 526 |
|
D(bug(" EtherIRQ done\n")); |
| 527 |
|
} |
