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unit.c
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#include <exec/memory.h>
#include <exec/execbase.h>
#include <exec/errors.h>
#include <exec/io.h>
#include <exec/devices.h>
#include <exec/interrupts.h>
#include <exec/semaphores.h>
#include <dos/dos.h>
#include <libraries/dos.h>
#include <devices/timer.h>
#include "devices/sana2.h"
#include "devices/sana2specialstats.h"
#include "device.h"
#include "cs8900.h"
#define TASK_PRIORITY 0
#define STACK_SIZE 4096
//#define MAX_TUPLE_SIZE 0xff
//#define TUPLE_BUFFER_SIZE (MAX_TUPLE_SIZE+8)
IMPORT struct ExecBase *AbsExecBase;
//static struct AddressRange *FindMulticastRange(struct DevUnit *unit, ULONG lower_bound_left, UWORD lower_bound_right, ULONG upper_bound_left, UWORD upper_bound_right, struct DevBase *base);
static VOID RxInt (__reg("a1") struct DevUnit *unit);
static VOID CopyPacket (struct DevUnit *unit, struct IOSana2Req *request, UWORD packet_size, UWORD packet_type, BOOL all_read, struct MyBase *base, BOOL emulate);
static BOOL AddressFilter (struct DevUnit *unit, UBYTE *address, struct MyBase *base);
static VOID TxInt (__reg("a1") struct DevUnit *unit);
static VOID TxError (struct DevUnit *unit, struct MyBase *base);
static VOID ReportEvents (struct DevUnit *unit, ULONG events, struct MyBase *base);
static VOID UnitTask ();
VOID DeleteUnit (struct DevUnit *unit, struct MyBase *base);
struct DevUnit *FindUnit (ULONG unit_num, struct MyBase *base);
struct DevUnit *CreateUnit (ULONG unit_num, struct MyBase *base);
struct TypeStats *FindTypeStats (struct DevUnit *unit, struct MinList *list, ULONG packet_type, struct MyBase *base);
VOID FlushUnit (struct DevUnit *unit, UBYTE last_queue, BYTE error, struct MyBase *base);
void InitialiseCard (struct DevUnit *unit, struct MyBase *base);
VOID ConfigureCard (struct DevUnit *unit, struct MyBase *base);
/*****************************************************************************
*
* GetUnit
*
*****************************************************************************/
struct DevUnit *GetUnit (ULONG unit_num, struct MyBase *base) {
struct DevUnit *unit;
unit = FindUnit (unit_num, base);
if (unit == NULL) {
Debug ("\n Unit not found, creating new");
unit = CreateUnit (unit_num, base);
if (unit != NULL) {
Debug ("\n Adding unit to base->units list");
AddTail ((APTR)&(base->units), (APTR)unit);
}
}
return unit;
}
/*****************************************************************************
*
* FindUnit
*
*****************************************************************************/
struct DevUnit *FindUnit (ULONG unit_num, struct MyBase *base) {
struct DevUnit *unit,*tail;
BOOL found;
unit = (APTR)base->units.mlh_Head;
tail = (APTR)&base->units.mlh_Tail;
found = FALSE;
while ((unit != tail) && !found) {
if (unit->unit_num == unit_num)
found = TRUE;
else
unit = (APTR)unit->node.mln_Succ;
}
if (!found)
unit = NULL;
return unit;
}
/*****************************************************************************
*
* CreateUnit
*
*****************************************************************************/
struct DevUnit *CreateUnit (ULONG unit_num, struct MyBase *base) {
BOOL success = TRUE;
struct DevUnit *unit;
struct Task *task;
struct MsgPort *port;
UBYTE i;
APTR stack;
// struct Interrupt *card_removed_int,*card_inserted_int,*card_status_int;
Debug ("\n CreateUnit");
Flush (base->log);
unit = (APTR) AllocMem (sizeof (struct DevUnit), MEMF_CLEAR);
if (unit == NULL)
success = FALSE;
if (success) {
unit->unit_num = unit_num;
unit->device = base;
InitSemaphore (&unit->access_lock);
/* Set up packet filter command */
// unit->rx_filter_cmd=EL3CMD_SETRXFILTER|EL3CMD_SETRXFILTERF_BCAST
// |EL3CMD_SETRXFILTERF_UCAST;
/* Create the message ports for queueing requests */
for (i = 0; i < REQUEST_QUEUE_COUNT; i ++) {
unit->request_ports [i] = port = (APTR) AllocMem (sizeof (struct MsgPort),
MEMF_PUBLIC | MEMF_CLEAR);
if (port == NULL)
success = FALSE;
if (success) {
NewList (&port->mp_MsgList);
port->mp_Flags = PA_IGNORE;
port->mp_SigTask = &unit->tx_int;
}
}
// unit->tuple_buffer=
// AllocVec(TUPLE_BUFFER_SIZE,MEMF_ANY);
unit->rx_buffer = (APTR) AllocVec ((MAX_PACKET_SIZE + 3) &~ 3, MEMF_PUBLIC);
unit->tx_buffer = (APTR) AllocVec (MAX_PACKET_SIZE, MEMF_PUBLIC);
if (/*(unit->tuple_buffer==NULL)||*/
(unit->rx_buffer == NULL) || (unit->tx_buffer == NULL))
success = FALSE;
}
if (success) {
NewList ((APTR)&unit->openers);
NewList ((APTR)&unit->type_trackers);
NewList ((APTR)&unit->multicast_ranges);
/* Initialise transmit and receive interrupts */
unit->rx_int.is_Node.ln_Name = (TEXT *)device_name;
unit->rx_int.is_Node.ln_Pri = 16;
unit->rx_int.is_Code = RxInt;
unit->rx_int.is_Data = unit;
unit->tx_int.is_Node.ln_Name = (TEXT *)device_name;
unit->tx_int.is_Code = TxInt;
unit->tx_int.is_Data = unit;
unit->request_ports [WRITE_QUEUE]->mp_Flags = PA_SOFTINT;
}
if (success) {
InitialiseCard (unit, base);
ConfigureCard (unit, base);
/* Create a new task */
unit->task = task = (struct Task *) AllocMem (sizeof(struct Task), MEMF_PUBLIC | MEMF_CLEAR);
if (task == NULL)
success = FALSE;
}
if (success) {
stack = (APTR) AllocMem (STACK_SIZE, MEMF_PUBLIC);
if (stack == NULL)
success = FALSE;
}
if (success) {
/* Initialise and start task */
task->tc_Node.ln_Type = NT_TASK;
task->tc_Node.ln_Pri = TASK_PRIORITY;
task->tc_Node.ln_Name = (APTR)device_name;
task->tc_SPUpper = (APTR)((ULONG)stack + STACK_SIZE);
task->tc_SPLower = stack;
task->tc_SPReg = (APTR)((ULONG)stack + STACK_SIZE);
NewList (&task->tc_MemEntry);
if (AddTask (task, UnitTask, NULL) == NULL)
success = FALSE;
}
/* Send the unit to the new task */
if (success) {
task->tc_UserData = unit;
Debug ("\n AddTask () success");
}
if (!success) {
DeleteUnit (unit, base);
unit = NULL;
}
return unit;
}
/*****************************************************************************
*
* DeleteUnit
*
*****************************************************************************/
VOID DeleteUnit (struct DevUnit *unit, struct MyBase *base) {
UBYTE i;
struct Task *task;
Debug ("\n DeleteUnit");
if (unit != NULL) {
task = unit->task;
if (task != NULL) {
if (task->tc_SPLower != NULL) {
RemTask (task);
FreeMem (task->tc_SPLower, STACK_SIZE);
}
FreeMem (task, sizeof (struct Task));
}
for (i = 0; i < REQUEST_QUEUE_COUNT; i ++) {
if (unit->request_ports [i] != NULL)
FreeMem (unit->request_ports [i], sizeof (struct MsgPort));
}
// FreeVec(unit->tuple_buffer);
FreeVec (unit->tx_buffer);
FreeVec (unit->rx_buffer);
FreeMem (unit, sizeof (struct DevUnit));
}
return;
}
/*****************************************************************************
*
* GoOnline
*
*****************************************************************************/
VOID GoOnline (struct DevUnit *unit, struct MyBase *base) {
//volatile UBYTE *io_base;
UWORD transceiver;
/* Choose interrupts */
unit->flags |= UNITF_ONLINE;
// Enable RX and TX
ppPoke (PP_LineCTL, PP_LineCTL_Rx | PP_LineCTL_Tx);
/* Record start time and report Online event */
// GetSysTime (&unit->stats.LastStart);
ReportEvents (unit, S2EVENT_ONLINE, base);
return;
}
/*****************************************************************************
*
* GoOffline
*
*****************************************************************************/
VOID GoOffline (struct DevUnit *unit, struct MyBase *base) {
// volatile UBYTE *io_base;
// io_base = unit->io_base;
unit->flags &= ~UNITF_ONLINE;
// if((unit->flags&UNITF_HAVEADAPTER)!=0)
if (1)
{
/* Stop interrupts */
/* Stop transmission and reception */
ppPoke (PP_LineCTL, ppPeek (PP_LineCTL) & ~(PP_LineCTL_Rx | PP_LineCTL_Tx));
/* Turn off media functions */
}
/* Flush pending read and write requests */
FlushUnit (unit, WRITE_QUEUE, S2ERR_OUTOFSERVICE, base);
/* Report Offline event and return */
ReportEvents (unit, S2EVENT_OFFLINE, base);
return;
}
struct TypeStats *FindTypeStats (struct DevUnit *unit, struct MinList *list,
ULONG packet_type, struct MyBase *base) {
struct TypeStats *stats, *tail;
BOOL found;
stats = (APTR)list->mlh_Head;
tail = (APTR)&list->mlh_Tail;
found = FALSE;
while ((stats != tail) && !found) {
if(stats->packet_type == packet_type)
found = TRUE;
else
stats = (APTR)stats->node.mln_Succ;
}
if (!found)
stats = NULL;
return stats;
}
VOID FlushUnit (struct DevUnit *unit, UBYTE last_queue, BYTE error, struct MyBase *base) {
struct IORequest *request;
UBYTE i;
struct Opener *opener, *tail;
/* Abort queued requests */
for (i = 0; i <= last_queue; i++) {
while ((request = (APTR)GetMsg (unit->request_ports [i])) != NULL) {
request->io_Error = IOERR_ABORTED;
ReplyMsg ((APTR)request);
}
}
#if 1
opener = (APTR)unit->openers.mlh_Head;
tail = (APTR)&unit->openers.mlh_Tail;
/* Flush every opener's read queue */
while (opener != tail) {
while ((request = (APTR)GetMsg (&opener->read_port)) != NULL) {
request->io_Error = error;
ReplyMsg ((APTR)request);
}
opener = (APTR)opener->node.mln_Succ;
}
#else
opener = request->ios2_BufferManagement;
while ((request = (APTR)GetMsg (&opener->read_port)) != NULL) {
request->io_Error = IOERR_ABORTED;
ReplyMsg ((APTR)request);
}
#endif
/* Return */
return;
}
UBYTE emulated_packet [] = {
0xfe, 0xed, 0xfa, 0xce, 0xaa, 0x55,
0xde, 0xad, 0xbe, 0xef, 0xff, 0x00,
0x77, 0x77,
0x00, 0x01,
0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a
};
/*****************************************************************************
*
* RxInt
*
*****************************************************************************/
static VOID RxInt (__reg("a1") struct DevUnit *unit) {
UWORD rx_status, packet_size;
struct MyBase *base;
BOOL is_orphan, accepted;
ULONG packet_type;
UWORD status;
UBYTE *p, *end;
UBYTE *buffer;
struct IOSana2Req *request, *request_tail;
struct Opener *opener, *opener_tail;
struct TypeStats *tracker;
UWORD r;
BOOL emulate = FALSE;
base = unit->device;
buffer = unit->rx_buffer;
end = (UBYTE *)(buffer + HEADER_SIZE);
rx_status = 0; // hack
if (1) {
// do {
// ((rx_status=LEWordIn(io_base+EL3REG_RXSTATUS))
// &EL3REG_RXSTATUSF_INCOMPLETE)==0
// r = ppPeek (PP_RER);
// if (r & 0x0004) {
// // CS8900 present, PP_RER should read xxx4
// emulate = FALSE;
// }
// if ((r & PP_RER_RxOK) || emulate) {
if (1) {
/* Read packet header */
is_orphan = TRUE;
if (emulate)
packet_size = 64; // rx_status /*& EL3REG_RXSTATUS_SIZEMASK */;
else {
// Read status and packet size
status = peek (0x44000001);
status += peek (0x44000000) << 8;
packet_size = peek (0x44000000);
packet_size += peek (0x44000001) << 8;
}
p = (UBYTE *)buffer;
r = 0; // use r var as an index
while (p < end)
if (emulate)
*p++ = emulated_packet [r++]; //LongIn(io_base+EL3REG_DATA0);
else {
*p++ = peek (0x44000000);
*p++ = peek (0x44000001);
}
if (AddressFilter (unit, buffer + PACKET_DEST, base)) {
packet_type = BEWord (*((UWORD *)(buffer + PACKET_TYPE)));
opener = (APTR)unit->openers.mlh_Head;
opener_tail = (APTR)&unit->openers.mlh_Tail;
/* Offer packet to every opener */
while (opener != opener_tail) {
request = (APTR)opener->read_port.mp_MsgList.lh_Head;
request_tail = (APTR)&opener->read_port.mp_MsgList.lh_Tail;
accepted = FALSE;
/* Offer packet to each request until it's accepted */
while ((request != request_tail) && !accepted) {
if (request->ios2_PacketType == packet_type
|| request->ios2_PacketType <= MTU
&& packet_type <= MTU) {
CopyPacket (unit, request, packet_size, packet_type,
!is_orphan, base, emulate);
accepted = TRUE;
}
request = (APTR)request->ios2_Req.io_Message.mn_Node.ln_Succ;
}
if (accepted)
is_orphan = FALSE;
opener = (APTR)opener->node.mln_Succ;
}
/* If packet was unwanted, give it to S2_READORPHAN request */
if (is_orphan) {
unit->stats.UnknownTypesReceived ++;
if (!IsMsgPortEmpty (unit->request_ports [ADOPT_QUEUE])) {
CopyPacket (unit, (APTR)unit->request_ports [ADOPT_QUEUE]->mp_MsgList.lh_Head,
packet_size, packet_type,
TRUE /* FALSE */, base, emulate);
}
}
/* Update remaining statistics */
unit->stats.PacketsReceived ++;
tracker = FindTypeStats (unit, &unit->type_trackers, packet_type, base);
if (tracker != NULL) {
tracker->stats.PacketsReceived ++;
tracker->stats.BytesReceived += packet_size;
}
}
}
else {
unit->stats.BadData ++;
ReportEvents (unit, S2EVENT_ERROR | S2EVENT_HARDWARE | S2EVENT_RX, base);
}
/* Discard packet */
// Disable(); /* Needed? */
// LEWordOut(io_base+EL3REG_COMMAND,EL3CMD_RXDISCARD);
// while((LEWordIn(io_base+EL3REG_STATUS)&
// EL3REG_STATUSF_CMDINPROGRESS)!=0);
// Enable();
} //while (ppPeek (PP_RER != 0x0004));
/* Return */
// LEWordOut(io_base+EL3REG_COMMAND,EL3CMD_SETINTMASK|INT_MASK);
return;
}
/*****************************************************************************
*
* CopyPacket
*
*****************************************************************************/
static VOID CopyPacket (struct DevUnit *unit, struct IOSana2Req *request,
UWORD packet_size, UWORD packet_type, BOOL all_read, struct MyBase *base,
BOOL emulate) {
//volatile UBYTE *io_base;
struct Opener *opener;
UBYTE *buffer;
BOOL filtered = FALSE;
UBYTE *p, *end;
/* Set multicast and broadcast flags */
// io_base=unit->io_base;
buffer = unit->rx_buffer;
request->ios2_Req.io_Flags &= ~(SANA2IOF_BCAST | SANA2IOF_MCAST); // clear bcast and mcast flags
if ((*((ULONG *)(buffer + PACKET_DEST)) == 0xffffffff) &&
(*((UWORD *)(buffer + PACKET_DEST + 4)) == 0xffff))
request->ios2_Req.io_Flags |= SANA2IOF_BCAST;
else if ((buffer [PACKET_DEST] & 0x1) != 0)
request->ios2_Req.io_Flags |= SANA2IOF_MCAST;
/* Set source and destination addresses and packet type */
CopyMem (buffer + PACKET_SOURCE, request->ios2_SrcAddr, ADDRESS_SIZE);
CopyMem (buffer + PACKET_DEST, request->ios2_DstAddr, ADDRESS_SIZE);
request->ios2_PacketType = packet_type;
/* Read rest of packet */
// if (!all_read) {
if (1) { // HAHAHACK
UWORD i;
p = (UBYTE *)(buffer + ((PACKET_DATA + 1) & ~1)); // p=(ULONG *)(buffer+((PACKET_DATA+3)&~3));
end = (UBYTE *)(buffer + packet_size);
i = 0;
while (p < end)
if (emulate)
*p++ = emulated_packet [i]; //LongIn(io_base+EL3REG_DATA0);
else {
*p++ = peek (0x44000000);
*p++ = peek (0x44000001);
}
}
if ((request->ios2_Req.io_Flags & SANA2IOF_RAW) == 0) {
packet_size -= PACKET_DATA;
buffer += PACKET_DATA;
}
#ifdef USE_HACKS
else
packet_size += 4; /* Needed for Shapeshifter & Fusion */
#endif
request->ios2_DataLength = packet_size;
/* Filter packet */
opener = request->ios2_BufferManagement;
if ((request->ios2_Req.io_Command == CMD_READ) &&
(opener->filter_hook != NULL))
if (!CallHookPkt (opener->filter_hook, request, buffer))
filtered = TRUE;
if (!filtered) {
/* Copy packet into opener's buffer and reply packet */
if (!opener->rx_function (request->ios2_Data, buffer, packet_size)) {
request->ios2_Req.io_Error = S2ERR_NO_RESOURCES;
request->ios2_WireError = S2WERR_BUFF_ERROR;
ReportEvents (unit,
S2EVENT_ERROR | S2EVENT_SOFTWARE | S2EVENT_BUFF | S2EVENT_RX, base);
}
Remove ((APTR)request);
ReplyMsg ((APTR)request);
}
return;
}
/*****************************************************************************
*
* AddressFilter
*
*****************************************************************************/
static BOOL AddressFilter (struct DevUnit *unit, UBYTE *address, struct MyBase *base) {
struct AddressRange *range, *tail;
BOOL accept = TRUE;
ULONG address_left;
UWORD address_right;
/* Check whether address is unicast/broadcast or multicast */
address_left = BELong (*((ULONG *)address));
address_right = BEWord (*((UWORD *)(address + 4)));
if (((address_left & 0x01000000) != 0) &&
!((address_left == 0xffffffff) && (address_right == 0xffff))) {
/* Check if this multicast address is wanted */
range = (APTR)unit->multicast_ranges.mlh_Head;
tail = (APTR)&unit->multicast_ranges.mlh_Tail;
accept = FALSE;
while ((range != tail) && !accept) {
if (((address_left > range->lower_bound_left) ||
(address_left == range->lower_bound_left) &&
(address_right >= range->lower_bound_right)) &&
((address_left < range->upper_bound_left) ||
(address_left == range->upper_bound_left) &&
(address_right <= range->upper_bound_right)))
accept = TRUE;
range = (APTR)range->node.mln_Succ;
}
if (!accept)
unit->special_stats [S2SS_ETHERNET_BADMULTICAST & 0xffff] ++;
}
return accept;
}
/*****************************************************************************
*
* TxInt
*
*****************************************************************************/
static VOID TxInt (__reg("a1") struct DevUnit *unit) {
UWORD packet_size, data_size, send_size;
struct MyBase *base;
struct IOSana2Req *request;
BOOL proceed = TRUE;
struct Opener *opener;
UBYTE *buffer, *end, wire_error;
ULONG *(*dma_tx_function)(APTR __reg("a0"));
BYTE error;
struct MsgPort *port;
struct TypeStats *tracker;
base = unit->device;
port = unit->request_ports [WRITE_QUEUE];
while (proceed && (!IsMsgPortEmpty (port))) {
// run once DEBUG
//if (!IsMsgPortEmpty (port)) {
error = 0;
request = (APTR)port->mp_MsgList.lh_Head;
data_size = packet_size = request->ios2_DataLength;
if ((request->ios2_Req.io_Flags & SANA2IOF_RAW) == 0)
packet_size += PACKET_DATA;
// Bid for buffer space on the chip by writing the transmit command
// to the TxCMD port and the length to TxLength port then checking
// the BusSt register
ppPoke (PP_TxCommand, PP_TxCmd_TxStart_Full);
ppPoke (PP_TxLength, packet_size);
// if (ppPeek (PP_BusStat) & PP_BusStat_TxRDY) {
while ((ppPeek (PP_BusStat) & PP_BusStat_TxRDY) == 0);
if (1) {
// if(LEWordIn(io_base+EL3REG_TXSPACE)>PREAMBLE_SIZE+packet_size)
// if (1) {
/* Write packet preamble */
// LELongOut (io_base + EL3REG_DATA0, packet_size);
/* Write packet header */
send_size = (packet_size + 1) & (~0x1);
if ((request->ios2_Req.io_Flags & SANA2IOF_RAW) == 0) {
/*
LongToTxDataPort0 (*((ULONG *)request->ios2_DstAddr));
WordToTxDataPort0 (*((UWORD *)(request->ios2_DstAddr + 4)));
WordToTxDataPort0 (*((UWORD *)unit->address));
LongToTxDataPort0 (*((ULONG *)(unit->address + 2)));
WordToTxDataPort0 (request->ios2_PacketType);
*/
poke (0x44000000, request->ios2_DstAddr [0]);
poke (0x44000001, request->ios2_DstAddr [1]);
poke (0x44000000, request->ios2_DstAddr [2]);
poke (0x44000001, request->ios2_DstAddr [3]);
poke (0x44000000, request->ios2_DstAddr [4]);
poke (0x44000001, request->ios2_DstAddr [5]);
poke (0x44000000, unit->address [0]);
poke (0x44000001, unit->address [1]);
poke (0x44000000, unit->address [2]);
poke (0x44000001, unit->address [3]);
poke (0x44000000, unit->address [4]);
poke (0x44000001, unit->address [5]);
poke (0x44000000, (request->ios2_PacketType >> 8) & 0xff); // Big-endian
poke (0x44000001, request->ios2_PacketType & 0xff);
// LongOut(io_base+EL3REG_DATA0,*((ULONG *)request->ios2_DstAddr));
// WordOut(io_base+EL3REG_DATA0,*((UWORD *)(request->ios2_DstAddr+4)));
// WordOut(io_base+EL3REG_DATA0,*((UWORD *)unit->address));
// LongOut(io_base+EL3REG_DATA0,*((ULONG *)(unit->address+2)));
// BEWordOut(io_base+EL3REG_DATA0,request->ios2_PacketType);
send_size -= PACKET_DATA;
}
/* Get packet data */
opener = (APTR)request->ios2_BufferManagement;
dma_tx_function = opener->dma_tx_function;
if (dma_tx_function != NULL)
buffer = (UBYTE *)dma_tx_function (request->ios2_Data);
else
buffer = NULL;
if (buffer == NULL) {
buffer = (UBYTE *)unit->tx_buffer;
if (!opener->tx_function (buffer, request->ios2_Data, data_size)) {
error = S2ERR_NO_RESOURCES;
wire_error = S2WERR_BUFF_ERROR;
ReportEvents (unit,
S2EVENT_ERROR | S2EVENT_SOFTWARE | S2EVENT_BUFF | S2EVENT_TX,
base);
}
}
/* Write packet data */
if (error == 0) {
end = buffer + send_size;
while (buffer < end) {
// LongOut(io_base+EL3REG_DATA0,*buffer++);
//WordToTxDataPort0 (*((UWORD *)buffer));
poke (0x44000000, *buffer++);
poke (0x44000001, *buffer++);
}
if ((send_size & 0x1) != 0) {
// WordToTxDataPort0 (*((UWORD *)buffer));
poke (0x44000000, *buffer++);
poke (0x44000001, *buffer++);
}
}
/* Reply packet */
request->ios2_Req.io_Error = error;
request->ios2_WireError = wire_error;
Remove ((APTR)request);
ReplyMsg ((APTR)request);
/* Update statistics */
if (error == 0) {
unit->stats.PacketsSent ++;
tracker = FindTypeStats (unit, &unit->type_trackers,
request->ios2_PacketType,
base);
if (tracker != NULL) {
tracker->stats.PacketsSent ++;
tracker->stats.BytesSent += packet_size;
}
}
}
else
proceed = FALSE;
}
if (proceed)
unit->request_ports [WRITE_QUEUE]->mp_Flags = PA_SOFTINT;
else {
// LEWordOut(io_base+EL3REG_COMMAND,EL3CMD_SETTXTHRESH
// |(PREAMBLE_SIZE+packet_size));
unit->request_ports [WRITE_QUEUE]->mp_Flags = PA_IGNORE;
}
return;
}
static VOID TxError (struct DevUnit *unit, struct MyBase *base) {
volatile UBYTE *io_base;
UBYTE tx_status, flags = 0;
io_base = unit->io_base;
/* Gather all errors */
/* Restart transmitter if necessary */
/*
if((flags&EL3REG_TXSTATUSF_JABBER)!=0)
{
Disable();
LEWordOut(io_base+EL3REG_COMMAND,EL3CMD_TXRESET);
while((LEWordIn(io_base+EL3REG_STATUS)&
EL3REG_STATUSF_CMDINPROGRESS)!=0);
Enable();
}
if((flags&(EL3REG_TXSTATUSF_JABBER|EL3REG_TXSTATUSF_OVERFLOW))!=0)
LEWordOut(io_base+EL3REG_COMMAND,EL3CMD_TXENABLE);
*/
/* Report the error(s) */
ReportEvents (unit, S2EVENT_ERROR | S2EVENT_HARDWARE | S2EVENT_TX, base);
return;
}
static VOID ReportEvents (struct DevUnit *unit, ULONG events, struct MyBase *base) {
struct IOSana2Req *request, *tail, *next_request;
struct List *list;
list = &unit->request_ports [EVENT_QUEUE]->mp_MsgList;
next_request = (APTR)list->lh_Head;
tail = (APTR)&list->lh_Tail;
Disable ();
while (next_request != tail) {
request = next_request;
next_request = (APTR)request->ios2_Req.io_Message.mn_Node.ln_Succ;
if ((request->ios2_WireError & events) != 0) {
request->ios2_WireError = events;
Remove ((APTR)request);
ReplyMsg ((APTR)request);
}
}
Enable ();
return;
}
UBYTE fakeMAC [6] = {0x00, 0x44, 0x66, 0x88, 0xaa, 0xcc};
/*****************************************************************************
*
* InitialiseCard
*
*****************************************************************************/
void InitialiseCard (struct DevUnit *unit, struct MyBase *base) {
UBYTE *p, i;
// Get default MAC address
p = unit->default_address;
for (i = 0; i < ADDRESS_SIZE; i ++) {
*p++ = fakeMAC [i];
}
}
/*****************************************************************************
*
* ConfigureCard
*
*****************************************************************************/
VOID ConfigureCard (struct DevUnit *unit, struct MyBase *base) {
volatile UBYTE *io_base;
UBYTE i;
/* Set MAC address */
for (i = 0; i < ADDRESS_SIZE; i += 2)
// ByteOut (io_base+EL3REG_ADDRESS0+i,unit->address[i]);
ppPoke (PP_IA + i, unit->address [i] + (unit->address [i + 1] << 8));
/* Decide on promiscuous mode */
if ((unit->flags & UNITF_PROM) != 0)
ppPoke (PP_RxCTL, PP_RxCTL_Promiscuous | PP_RxCTL_RxOK /*| PP_RxCTL_RUNT */);
else
ppPoke (PP_RxCTL, PP_RxCTL_IA | PP_RxCTL_Broadcast | PP_RxCTL_RxOK);
/* Go online */
GoOnline (unit, base);
/* Return */
return;
}
#define INTERVAL_MICROSECONDS 20000
/*****************************************************************************
*
* UnitTask
*
*****************************************************************************/
static VOID UnitTask () {
struct Task *task;
struct IORequest *request;
struct DevUnit *unit;
struct MyBase *base;
struct DOSBase *DOSBase;
struct MsgPort *general_port;
struct MsgPort *timer_port;
struct timerequest *TimerIO;
ULONG signals,
wait_signals,
general_port_signal,
timer_port_signal;
/* Get parameters */
task = AbsExecBase->ThisTask;
unit = task->tc_UserData;
base = unit->device;
/* Activate general request port */
general_port = unit->request_ports [GENERAL_QUEUE];
general_port->mp_SigTask = task;
general_port->mp_SigBit = AllocSignal (-1);
general_port_signal = 1 << general_port->mp_SigBit;
general_port->mp_Flags = PA_SIGNAL;