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/* |
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* ether_amiga.cpp - Ethernet device driver, AmigaOS 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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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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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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// Initialize protocol list |
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NewList(&prot_list); |
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goto open_error; |
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// Everything OK |
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net_open = true; |
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return; |
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return true; |
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open_error: |
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net_proc = NULL; |
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DeleteMsgPort(reply_port); |
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reply_port = NULL; |
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} |
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return false; |
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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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// Stop process |
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if (net_proc) { |
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void EtherReset(void) |
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{ |
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// Remove all protocols |
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if (net_open) |
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if (net_proc) |
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send_to_proc(MSG_CLEANUP); |
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} |
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static __saveds void net_func(void) |
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{ |
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const char *str; |
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BYTE od_error; |
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struct MsgPort *write_port = NULL, *control_port = NULL; |
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struct IOSana2Req *write_io = NULL, *control_io = NULL; |
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bool opened = false; |
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// Parse device name |
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char dev_name[256]; |
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ULONG dev_unit; |
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if (sscanf(PrefsFindString("ether"), "%[^/]/%ld", dev_name, &dev_unit) < 2) |
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|
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str = PrefsFindString("ether"); |
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if (str) |
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{ |
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const char *FirstSlash = strchr(str, '/'); |
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const char *LastSlash = strrchr(str, '/'); |
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|
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if (FirstSlash && FirstSlash && FirstSlash != LastSlash) |
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{ |
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// Device name contains path, i.e. "Networks/xyzzy.device" |
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const char *lp = str; |
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char *dp = dev_name; |
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|
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while (lp != LastSlash) |
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*dp++ = *lp++; |
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*dp = '\0'; |
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if (strlen(dev_name) < 1) |
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goto quit; |
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if (1 != sscanf(LastSlash, "/%ld", &dev_unit)) |
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goto quit; |
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// printf("dev=<%s> unit=%d\n", dev_name, dev_unit); |
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} |
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else |
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{ |
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if (2 != sscanf(str, "%[^/]/%ld", dev_name, &dev_unit)) |
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goto quit; |
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} |
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} |
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else |
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goto quit; |
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// Open device |
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control_io->ios2_BufferManagement = buffer_tags; |
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if (OpenDevice((UBYTE *)dev_name, dev_unit, (struct IORequest *)control_io, 0) || control_io->ios2_Req.io_Device == 0) |
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od_error = OpenDevice((UBYTE *)dev_name, dev_unit, (struct IORequest *)control_io, 0); |
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if (0 != od_error || control_io->ios2_Req.io_Device == 0) |
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{ |
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printf("WARNING: OpenDevice(<%s>, unit=%d) returned error %d)\n", (UBYTE *)dev_name, dev_unit, od_error); |
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goto quit; |
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} |
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opened = true; |
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// Is it Ethernet? |
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case MSG_ADD_MULTI: |
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control_io->ios2_Req.io_Command = S2_ADDMULTICASTADDRESS; |
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memcpy(control_io->ios2_SrcAddr, Mac2HostAddr(msg->pointer + eMultiAddr), 6); |
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Mac2Host_memcpy(control_io->ios2_SrcAddr, msg->pointer + eMultiAddr, 6); |
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DoIO((struct IORequest *)control_io); |
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if (control_io->ios2_Req.io_Error == S2ERR_NOT_SUPPORTED) { |
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WarningAlert(GetString(STR_NO_MULTICAST_WARN)); |
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case MSG_DEL_MULTI: |
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control_io->ios2_Req.io_Command = S2_DELMULTICASTADDRESS; |
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memcpy(control_io->ios2_SrcAddr, Mac2HostAddr(msg->pointer + eMultiAddr), 6); |
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Mac2Host_memcpy(control_io->ios2_SrcAddr, msg->pointer + eMultiAddr, 6); |
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DoIO((struct IORequest *)control_io); |
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if (control_io->ios2_Req.io_Error) |
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msg->result = eMultiErr; |
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// Get destination address, set source address |
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uint32 hdr = ReadMacInt32(wds + 2); |
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memcpy(write_io->ios2_DstAddr, Mac2HostAddr(hdr), 6); |
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memcpy(Mac2HostAddr(hdr + 6), ether_addr, 6); |
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Mac2Host_memcpy(write_io->ios2_DstAddr, hdr, 6); |
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Host2Mac_memcpy(hdr + 6, ether_addr, 6); |
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// Get packet type |
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uint32 type = ReadMacInt16(hdr + 12); |
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continue; |
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// Copy header to RHA |
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memcpy(Mac2HostAddr(ether_data + ed_RHA), io->ios2_Data, 14); |
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Host2Mac_memcpy(ether_data + ed_RHA, io->ios2_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 |
