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/* |
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* ether_beos.cpp - Ethernet device driver, BeOS specific stuff |
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* |
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* Basilisk II (C) 1997-1999 Christian Bauer |
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* Basilisk II (C) 1997-2001 Christian Bauer |
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* Portions (C) 1997-1999 Marc Hellwig |
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* |
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* This program is free software; you can redistribute it and/or modify |
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/* |
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* Remove all protocols |
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*/ |
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|
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static void remove_all_protocols(void) |
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{ |
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NetProtocol *p; |
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while ((p = (NetProtocol *)prot_list.RemoveItem((long)0)) != NULL) |
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delete p; |
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} |
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/* |
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* Initialization |
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*/ |
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void EtherInit(void) |
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bool ether_init(void) |
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{ |
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// Do nothing if no Ethernet device specified |
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if (PrefsFindString("ether") == NULL) |
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return; |
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return false; |
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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 |
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if (sheep_net_found) { |
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WarningAlert(GetString(STR_NO_NET_ADDON_WARN)); |
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return; |
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return false; |
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} |
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// Not found, inform the user |
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if (!ChoiceAlert(GetString(STR_NET_CONFIG_MODIFY_WARN), GetString(STR_OK_BUTTON), GetString(STR_CANCEL_BUTTON))) |
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return; |
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return false; |
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// Change the network config file and restart the network |
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fin = fopen("/boot/home/config/settings/network", "r"); |
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area_id handler_buffer; |
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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; |
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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)); |
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return; |
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return false; |
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} |
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if ((read_sem = create_sem(0, "ether read")) < B_NO_ERROR) { |
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printf("FATAL: can't create Ethernet semaphore\n"); |
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return; |
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return false; |
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} |
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net_buffer_ptr->read_sem = read_sem; |
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write_sem = net_buffer_ptr->write_sem; |
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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])); |
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// Everything OK |
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net_open = true; |
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return true; |
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} |
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* Deinitialization |
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*/ |
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void EtherExit(void) |
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void ether_exit(void) |
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{ |
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if (net_open) { |
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// Close communications with add-on |
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for (int i=0; i<WRITE_PACKET_COUNT; i++) |
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net_buffer_ptr->write[i].cmd = IN_USE | (DEACTIVATE_SHEEP_NET << 8); |
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release_sem(write_sem); |
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// Close communications with add-on |
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for (int i=0; i<WRITE_PACKET_COUNT; i++) |
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net_buffer_ptr->write[i].cmd = IN_USE | (DEACTIVATE_SHEEP_NET << 8); |
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release_sem(write_sem); |
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// Quit reception thread |
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ether_thread_active = false; |
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status_t result; |
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release_sem(read_sem); |
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wait_for_thread(read_thread, &result); |
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// Quit reception thread |
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ether_thread_active = false; |
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status_t result; |
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release_sem(read_sem); |
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wait_for_thread(read_thread, &result); |
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delete_sem(read_sem); |
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delete_area(buffer_area); |
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// Remove all protocols |
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NetProtocol *p; |
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while ((p = (NetProtocol *)prot_list.RemoveItem((long)0)) != NULL) |
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delete p; |
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} |
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delete_sem(read_sem); |
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delete_area(buffer_area); |
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// Remove all protocols |
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remove_all_protocols(); |
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} |
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* Reset |
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*/ |
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void EtherReset(void) |
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void ether_reset(void) |
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{ |
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// Remove all protocols |
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NetProtocol *p; |
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while ((p = (NetProtocol *)prot_list.RemoveItem((long)0)) != NULL) |
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delete p; |
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remove_all_protocols(); |
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} |
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int16 ether_add_multicast(uint32 pb) |
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{ |
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uint8 *addr = Mac2HostAddr(pb + eMultiAddr); |
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net_packet *p = &net_buffer_ptr->write[wr_pos]; |
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if (p->cmd & IN_USE) { |
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D(bug("WARNING: Couldn't enable multicast address\n")); |
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} else { |
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memcpy(p->data, addr, 6); |
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Mac2Host_memcpy(p->data, pb + eMultiAddr, 6); |
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p->length = 6; |
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p->cmd = IN_USE | (ADD_MULTICAST << 8); |
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wr_pos = (wr_pos + 1) % WRITE_PACKET_COUNT; |
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int16 ether_del_multicast(uint32 pb) |
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{ |
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uint8 *addr = Mac2HostAddr(pb + eMultiAddr); |
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net_packet *p = &net_buffer_ptr->write[wr_pos]; |
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if (p->cmd & IN_USE) { |
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D(bug("WARNING: Couldn't enable multicast address\n")); |
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} else { |
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memcpy(p->data, addr, 6); |
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Mac2Host_memcpy(p->data, pb + eMultiAddr, 6); |
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p->length = 6; |
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p->cmd = IN_USE | (REMOVE_MULTICAST << 8); |
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wr_pos = (wr_pos + 1) % WRITE_PACKET_COUNT; |
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} else { |
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// Copy packet to buffer |
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uint8 *start; |
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uint8 *bp = start = p->data; |
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for (;;) { |
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int len = ReadMacInt16(wds); |
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if (len == 0) |
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break; |
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memcpy(bp, Mac2HostAddr(ReadMacInt32(wds + 2)), len); |
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bp += len; |
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wds += 6; |
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} |
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int len = ether_wds_to_buffer(wds, p->data); |
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// Set source address |
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memcpy(start + 6, ether_addr, 6); |
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memcpy(p->data + 6, ether_addr, 6); |
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#if MONITOR |
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bug("Sending Ethernet packet:\n"); |
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for (int i=0; i<(uint32)(bp-start); i++) { |
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bug("%02x ", start[i]); |
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for (int i=0; i<len; i++) { |
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bug("%02x ", p->data[i]); |
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} |
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bug("\n"); |
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#endif |
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// Notify add-on |
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p->length = (uint32)(bp - start); |
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p->length = len; |
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p->cmd = IN_USE | (SHEEP_PACKET << 8); |
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wr_pos = (wr_pos + 1) % WRITE_PACKET_COUNT; |
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release_sem(write_sem); |
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goto next; |
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// Copy header to RHA |
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memcpy(Mac2HostAddr(ether_data + ed_RHA), p->data, 14); |
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Host2Mac_memcpy(ether_data + ed_RHA, p->data, 14); |
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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))); |
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// Call protocol handler |
