1 #include <exec/resident.h>
2 #include <exec/memory.h>
3 #include <exec/alerts.h>
5 #include <exec/execbase.h>
6 #include <libraries/expansion.h>
7 #include <dos/filehandler.h>
8 #include <proto/exec.h>
9 #include <proto/utility.h>
10 #include <proto/dos.h>
11 #include <proto/expansion.h>
12 #include <clib/exec_protos.h>
13 #include <clib/alib_protos.h>
14 #include <dos/dostags.h>
15 #include <utility/tagitem.h>
16 #include <exec/lists.h>
17 #include <exec/errors.h>
18 #include <exec/interrupts.h>
19 #include <exec/tasks.h>
20 #include <hardware/intbits.h>
23 #include "../pi-net-enums.h"
25 #include <clib/debug_protos.h>
29 #define WRITESHORT(cmd, val) *(unsigned short *)((unsigned long)(PINET_OFFSET + cmd)) = val;
30 #define WRITELONG(cmd, val) *(unsigned long *)((unsigned long)(PINET_OFFSET + cmd)) = val;
31 #define WRITEBYTE(cmd, val) *(unsigned char *)((unsigned long)(PINET_OFFSET + cmd)) = val;
33 #define READBYTE(cmd, var) var = *(volatile unsigned char *)(PINET_OFFSET + cmd);
34 #define READSHORT(cmd, var) var = *(volatile unsigned short *)(PINET_OFFSET + cmd);
35 #define READLONG(cmd, var) var = *(volatile unsigned long *)(PINET_OFFSET + cmd);
37 //typedef BOOL (*BMFunc)(void* a __asm("a0"), void* b __asm("a1"), long c __asm("d0"));
39 typedef struct BufferManagement
41 struct MinNode bm_Node;
42 BOOL (*bm_CopyFromBuffer)(void* a __asm("a0"), void* b __asm("a1"), long c __asm("d0"));
43 BOOL (*bm_CopyToBuffer)(void* a __asm("a0"), void* b __asm("a1"), long c __asm("d0"));
48 struct Device* pi_dev;
53 struct List read_list;
54 struct SignalSemaphore read_list_sem;
57 struct ExecBase* SysBase = NULL;
59 const char DevName[] = "pi-net.device";
60 const char DevIdString[] = "Pi-NET 0.1";
62 const UWORD DevVersion = 1;
63 const UWORD DevRevision = 0;
67 struct pinet_base *dev_base = NULL;
69 struct WBStartup *_WBenchMsg = NULL;
73 //#define KPrintF(...)
75 uint32_t __UserDevInit(struct Device* dev) {
80 SysBase = *(struct ExecBase **)4L;
82 KPrintF("Initializing net device.\n");
84 dev_base = AllocMem(sizeof(struct pinet_base), MEMF_PUBLIC | MEMF_CLEAR);
85 dev_base->pi_dev = dev;
87 KPrintF("Grabbing MAC.\n");
88 for (int i = 0; i < 6; i++) {
89 READBYTE((PINET_CMD_MAC + i), dev_base->MAC[i]);
91 KPrintF("Grabbing IP.\n");
92 for (int i = 0; i < 4; i++) {
93 READBYTE((PINET_CMD_IP + i), dev_base->IP[i]);
99 uint32_t __UserDevCleanup(void) {
100 KPrintF("Cleaning up.\n");
101 FreeMem(dev_base, sizeof(struct pinet_base));
105 uint32_t __UserDevOpen(struct IORequest *io, uint32_t num, uint32_t flags) {
106 struct IOSana2Req *ioreq = (struct IOSana2Req *)io;
107 uint32_t ok = 0, ret = IOERR_OPENFAIL;
108 struct BufferManagement *bm;
110 KPrintF("Opening net device %ld.\n", num);
111 dev_base->unit.unit_OpenCnt++;
113 if (num == 0 && dev_base->unit.unit_OpenCnt == 1) {
114 //KPrintF("Trying to alloc buffer management.\n");
115 //if ((bm = (struct BufferManagement*)AllocVec(sizeof(struct BufferManagement), MEMF_CLEAR | MEMF_PUBLIC))) {
116 //KPrintF("Setting up buffer copy funcs (1).\n");
117 //bm->bm_CopyToBuffer = (BOOL *)GetTagData(S2_CopyToBuff, 0, (struct TagItem *)ioreq->ios2_BufferManagement);
118 //KPrintF("Setting up buffer copy funcs (2).\n");
119 //bm->bm_CopyFromBuffer = (BOOL *)GetTagData(S2_CopyFromBuff, 0, (struct TagItem *)ioreq->ios2_BufferManagement);
121 KPrintF("Doing more things.\n");
122 ioreq->ios2_BufferManagement = NULL;//(VOID *)bm;
123 ioreq->ios2_Req.io_Error = 0;
124 ioreq->ios2_Req.io_Unit = (struct Unit *)&dev_base->unit;
125 ioreq->ios2_Req.io_Device = (struct Device *)dev_base->pi_dev;
127 KPrintF("New list.\n");
129 NewList(&dev_base->read_list);
130 InitSemaphore(&dev_base->read_list_sem);
137 if (ret == IOERR_OPENFAIL) {
138 KPrintF("Failed to open device. Already open?\n");
141 KPrintF("Device opened, yay.\n");
143 ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_REPLYMSG;
145 KPrintF("Opened device, return code: %ld\n", ret);
150 uint32_t __UserDevClose(struct IORequest *io) {
154 uint32_t pinet_read_frame(struct IOSana2Req *ioreq) {
159 struct BufferManagement *bm;
161 /*uint8_t* frm = (uint8_t *)(PINET_OFFSET + PINET_CMD_FRAME);
162 uint32_t sz = ((uint32_t)frm[0] << 8) | ((uint32_t)frm[1]);
163 uint32_t ser = ((uint32_t)frm[2] << 8) | ((uint32_t)frm[3]);
164 uint16_t tp = ((uint16_t)frm[16] << 8) | ((uint16_t)frm[17]);
166 if (req->ios2_Req.io_Flags & SANA2IOF_RAW) {
169 req->ios2_Req.io_Flags = SANA2IOF_RAW;
172 frame_ptr = frm + 4 + ETH_HDR_SIZE;
173 datasize = sz - ETH_HDR_SIZE;
174 req->ios2_Req.io_Flags = 0;
177 req->ios2_DataLength = datasize;
179 //D(("datasize: %lx\n",datasize));
180 //D(("frame_ptr: %lx\n",frame_ptr));
181 //D(("ios2_Data: %lx\n",req->ios2_Data));
182 //D(("bufmgmt: %lx\n",req->ios2_BufferManagement));
184 // copy frame to device user (probably tcp/ip system)
185 bm = (struct BufferManagement *)req->ios2_BufferManagement;
186 if (!(*bm->bm_CopyToBuffer)(req->ios2_Data, frame_ptr, datasize)) {
187 //D(("rx copybuf error\n"));
188 req->ios2_Req.io_Error = S2ERR_SOFTWARE;
189 req->ios2_WireError = S2WERR_BUFF_ERROR;
193 req->ios2_Req.io_Error = req->ios2_WireError = 0;
197 memcpy(req->ios2_SrcAddr, frame+4+6, HW_ADDRFIELDSIZE);
198 memcpy(req->ios2_DstAddr, frame+4, HW_ADDRFIELDSIZE);
200 //D(("RXSZ %ld\n",(LONG)sz));
201 //D(("RXPT %ld\n",(LONG)tp));
203 //D(("RXSER %ld\n",(LONG)ser));
204 //D(("RXDST %lx...\n",*((ULONG*)(req->ios2_DstAddr))));
205 //D(("RXSRC %lx\n",*((ULONG*)(req->ios2_SrcAddr))));
206 //D(("RXSRC %lx\n",*((ULONG*)(frame_ptr))));
209 for (int i=0; i<HW_ADDRFIELDSIZE; i++) {
210 if (frame[i+4] != 0xff) {
216 req->ios2_Req.io_Flags |= SANA2IOF_BCAST;
219 req->ios2_PacketType = tp;*/
224 void pinet_write_frame(struct IOSana2Req *ioreq) {
228 void exit(int status) { }
230 ADDTABL_1(__BeginIO,a1);
231 void __BeginIO(struct IORequest *io) {
232 struct IOSana2Req *ioreq = (struct IOSana2Req *)io;
233 ULONG unit = (ULONG)ioreq->ios2_Req.io_Unit;
236 ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_MESSAGE;
237 ioreq->ios2_Req.io_Error = S2ERR_NO_ERROR;
238 ioreq->ios2_WireError = S2WERR_GENERIC_ERROR;
240 //D(("BeginIO command %ld unit %ld\n",(LONG)ioreq->ios2_Req.io_Command,unit));
242 switch( ioreq->ios2_Req.io_Command ) {
245 if (pinet_read_frame(ioreq) != 0) {
246 ioreq->ios2_Req.io_Error = S2ERR_BAD_ARGUMENT;
247 ioreq->ios2_WireError = S2WERR_BUFF_ERROR;
252 KPrintF("Broadcast\n");
253 if (ioreq->ios2_DstAddr) {
254 for (int i = 0; i < ADDRFIELDSIZE; i++) {
255 ioreq->ios2_DstAddr[i] = 0xFF;
258 KPrintF("Invalid ios2_DstAddr\n");
263 pinet_write_frame(ioreq);
268 ioreq->ios2_Req.io_Flags &= ~SANA2IOF_QUICK;
273 case S2_CONFIGINTERFACE: /* forward request */
276 case S2_GETSTATIONADDRESS:
277 for (int i = 0; i < ADDRFIELDSIZE; i++) {
278 ioreq->ios2_SrcAddr[i] = dev_base->MAC[i];
279 ioreq->ios2_DstAddr[i] = dev_base->MAC[i];
282 case S2_DEVICEQUERY: {
283 struct Sana2DeviceQuery *devquery;
285 devquery = ioreq->ios2_StatData;
286 devquery->DevQueryFormat = 0;
287 devquery->DeviceLevel = 0;
289 if (devquery->SizeAvailable >= 18)
290 devquery->AddrFieldSize = ADDRFIELDSIZE * 8;
291 if (devquery->SizeAvailable >= 22)
292 devquery->MTU = 1500;
293 if (devquery->SizeAvailable >= 26)
294 devquery->BPS = 1000 * 1000 * 100;
295 if (devquery->SizeAvailable >= 30)
296 devquery->HardwareType = S2WireType_Ethernet;
298 devquery->SizeSupplied = (devquery->SizeAvailable < 30) ? devquery->SizeAvailable : 30;
301 case S2_GETSPECIALSTATS: {
302 struct Sana2SpecialStatHeader *s2ssh = (struct Sana2SpecialStatHeader *)ioreq->ios2_StatData;
303 s2ssh->RecordCountSupplied = 0;
307 uint8_t cmd = ioreq->ios2_Req.io_Command;
308 KPrintF("Unknown/unhandled IO command %lx\n", cmd);
309 ioreq->ios2_Req.io_Error = S2ERR_NOT_SUPPORTED;
310 ioreq->ios2_WireError = S2WERR_GENERIC_ERROR;
316 if (!(ioreq->ios2_Req.io_Flags & SANA2IOF_QUICK)) {
317 ReplyMsg((struct Message *)ioreq);
319 ioreq->ios2_Req.io_Message.mn_Node.ln_Type = NT_REPLYMSG;
324 ADDTABL_1(__AbortIO,a1);
325 void __AbortIO(struct IORequest* ioreq) {
326 struct IOSana2Req* ios2 = (struct IOSana2Req*)ioreq;
329 ioreq->io_Error = IOERR_ABORTED;
330 ios2->ios2_WireError = 0;
333 ADDTABL_1(__TermIO,a1);
334 void __TermIO(struct IORequest *ioreq) {
335 struct IOSana2Req* ios2 = (struct IOSana2Req*)ioreq;
337 if (!(ios2->ios2_Req.io_Flags & SANA2IOF_QUICK)) {
338 ReplyMsg((struct Message *)ioreq);
340 ioreq->io_Message.mn_Node.ln_Type = NT_REPLYMSG;
344 /*ULONG get_frame_serial(UBYTE* frame) {
345 UBYTE* frm = (UBYTE*)frame;
346 ULONG ser = ((ULONG)frm[2]<<8)|((ULONG)frm[3]);
350 ULONG read_frame(struct IOSana2Req *req, volatile UBYTE *frame)
356 struct BufferManagement *bm;
358 UBYTE* frm = (UBYTE*)frame;
359 ULONG sz = ((ULONG)frm[0]<<8)|((ULONG)frm[1]);
360 ULONG ser = ((ULONG)frm[2]<<8)|((ULONG)frm[3]);
361 USHORT tp = ((USHORT)frm[16]<<8)|((USHORT)frm[17]);
363 if (req->ios2_Req.io_Flags & SANA2IOF_RAW) {
366 req->ios2_Req.io_Flags = SANA2IOF_RAW;
369 frame_ptr = frm+4+HW_ETH_HDR_SIZE;
370 datasize = sz-HW_ETH_HDR_SIZE;
371 req->ios2_Req.io_Flags = 0;
374 req->ios2_DataLength = datasize;
376 //D(("datasize: %lx\n",datasize));
377 //D(("frame_ptr: %lx\n",frame_ptr));
378 //D(("ios2_Data: %lx\n",req->ios2_Data));
379 //D(("bufmgmt: %lx\n",req->ios2_BufferManagement));
381 // copy frame to device user (probably tcp/ip system)
382 bm = (struct BufferManagement *)req->ios2_BufferManagement;
383 if (!(*bm->bm_CopyToBuffer)(req->ios2_Data, frame_ptr, datasize)) {
384 //D(("rx copybuf error\n"));
385 req->ios2_Req.io_Error = S2ERR_SOFTWARE;
386 req->ios2_WireError = S2WERR_BUFF_ERROR;
390 req->ios2_Req.io_Error = req->ios2_WireError = 0;
394 memcpy(req->ios2_SrcAddr, frame+4+6, HW_ADDRFIELDSIZE);
395 memcpy(req->ios2_DstAddr, frame+4, HW_ADDRFIELDSIZE);
397 //D(("RXSZ %ld\n",(LONG)sz));
398 //D(("RXPT %ld\n",(LONG)tp));
400 //D(("RXSER %ld\n",(LONG)ser));
401 //D(("RXDST %lx...\n",*((ULONG*)(req->ios2_DstAddr))));
402 //D(("RXSRC %lx\n",*((ULONG*)(req->ios2_SrcAddr))));
403 //D(("RXSRC %lx\n",*((ULONG*)(frame_ptr))));
406 for (int i=0; i<HW_ADDRFIELDSIZE; i++) {
407 if (frame[i+4] != 0xff) {
413 req->ios2_Req.io_Flags |= SANA2IOF_BCAST;
416 req->ios2_PacketType = tp;
421 ULONG write_frame(struct IOSana2Req *req, UBYTE *frame)
424 struct BufferManagement *bm;
427 if (req->ios2_Req.io_Flags & SANA2IOF_RAW) {
428 sz = req->ios2_DataLength;
430 sz = req->ios2_DataLength + HW_ETH_HDR_SIZE;
431 *((USHORT*)(frame+6+6)) = (USHORT)req->ios2_PacketType;
432 memcpy(frame, req->ios2_DstAddr, HW_ADDRFIELDSIZE);
433 memcpy(frame+6, HW_MAC, HW_ADDRFIELDSIZE);
434 frame+=HW_ETH_HDR_SIZE;
438 bm = (struct BufferManagement *)req->ios2_BufferManagement;
440 if (!(*bm->bm_CopyFromBuffer)(frame, req->ios2_Data, req->ios2_DataLength)) {
441 rc = 1; // FIXME error code
442 //D(("tx copybuf err\n"));
445 // buffer was copied to zz9000, send it
446 volatile USHORT* reg = (volatile USHORT*)(ZZ9K_REGS+0x80); // FIXME send_frame reg
452 D(("tx err: %d\n",rc));