int lifepoll::inner_poll() {
// AKT: bailIfCalculating() ;
if (isCalculating()) {
// AKT: better to simply ignore user event???
// lifefatal("recursive poll called.") ;
return interrupted ;
}
countdown = POLLINTERVAL ;
calculating++ ;
if (!interrupted)
interrupted = checkevents() ;
calculating-- ;
return interrupted ;
}
static int dev_do_io_2 (struct s2devstruct *dev, uaecptr request, int quick)
{
uae_u8 flags = get_byte (request + 30);
uae_u32 command = get_word (request + 28);
uae_u32 packettype = get_long (request + 32 + 4);
uaecptr data = get_long (request + 32 + 4 + 4 + SANA2_MAX_ADDR_BYTES * 2 + 4);
uae_u32 datalength = get_long (request + 32 + 4 + 4 + SANA2_MAX_ADDR_BYTES * 2);
uaecptr srcaddr = request + 32 + 4 + 4;
uaecptr dstaddr = request + 32 + 4 + 4 + SANA2_MAX_ADDR_BYTES;
uaecptr statdata = get_long (request + 32 + 4 + 4 + SANA2_MAX_ADDR_BYTES * 2 + 4 + 4);
uaecptr buffermgmt = get_long (request + 32 + 4 + 4 + SANA2_MAX_ADDR_BYTES * 2 + 4 + 4 + 4);
uae_u32 io_error = 0;
uae_u32 wire_error = 0;
int i;
int async = 0;
struct priv_s2devstruct *pdev = getps2devstruct (request);
if (log_net)
write_log (_T("S2: C=%02d T=%04X S=%02X%02X%02X%02X%02X%02X D=%02X%02X%02X%02X%02X%02X L=%d D=%08X SD=%08X BM=%08X\n"),
command, packettype,
get_byte (srcaddr + 0), get_byte (srcaddr + 1), get_byte (srcaddr + 2), get_byte (srcaddr + 3), get_byte (srcaddr + 4), get_byte (srcaddr + 5),
get_byte (dstaddr + 0), get_byte (dstaddr + 1), get_byte (dstaddr + 2), get_byte (dstaddr + 3), get_byte (dstaddr + 4), get_byte (dstaddr + 5),
datalength, data, statdata, buffermgmt);
if (command == CMD_READ || command == S2_READORPHAN || command == CMD_WRITE || command == S2_BROADCAST || command == S2_MULTICAST) {
if (!pdev->copyfrombuff || !pdev->copytobuff) {
io_error = S2ERR_BAD_ARGUMENT;
wire_error = S2WERR_BUFF_ERROR;
goto end;
}
}
switch (command)
{
case CMD_READ:
if (!dev->online)
goto offline;
async = 1;
break;
case S2_READORPHAN:
if (!dev->online)
goto offline;
async = 1;
break;
case S2_BROADCAST:
case CMD_WRITE:
if (!dev->online)
goto offline;
if (!checksize (request, dev))
goto toobig;
async = 1;
break;
case S2_MULTICAST:
if (!dev->online)
goto offline;
if ((get_byte (dstaddr + 0) & 1) == 0) {
io_error = S2ERR_BAD_ADDRESS;
wire_error = S2WERR_BAD_MULTICAST;
goto end;
}
if (!checksize (request, dev))
goto toobig;
async = 1;
break;
case CMD_FLUSH:
dev->flush_timeout_cnt = 0;
dev->flush_timeout = FLUSH_TIMEOUT;
if (log_net)
write_log (_T("CMD_FLUSH started %08x\n"), request);
uae_sem_wait (&async_sem);
flush (pdev);
uae_sem_post (&async_sem);
async = 1;
uaenet_vsync_requested++;
break;
case S2_ADDMULTICASTADDRESS:
addmulticastaddresses (dev, amigaaddrto64 (srcaddr), 0);
break;
case S2_DELMULTICASTADDRESS:
if (!delmulticastaddresses (dev, amigaaddrto64 (srcaddr), 0)) {
io_error = S2ERR_BAD_STATE;
wire_error = S2WERR_BAD_MULTICAST;
}
break;
case S2_ADDMULTICASTADDRESSES:
addmulticastaddresses (dev, amigaaddrto64 (srcaddr), amigaaddrto64 (dstaddr));
break;
case S2_DELMULTICASTADDRESSES:
if (!delmulticastaddresses (dev, amigaaddrto64 (srcaddr), amigaaddrto64 (dstaddr))) {
io_error = S2ERR_BAD_STATE;
wire_error = S2WERR_BAD_MULTICAST;
}
break;
case S2_DEVICEQUERY:
{
int size = get_long (statdata);
if (size > 30)
size = 30;
put_long (statdata + 4, size);
if (size >= 12)
put_long (statdata + 8, 0);
if (size >= 16)
put_long (statdata + 12, 0);
if (size >= 18)
put_word (statdata + 16, ADDR_SIZE * 8);
if (size >= 22)
put_long (statdata + 18, dev->td->mtu);
if (size >= 26)
put_long (statdata + 22, 10000000);
if (size >= 30)
put_long (statdata + 26, S2WireType_Ethernet);
}
break;
case S2_GETTYPESTATS:
if (pdev->trackcnt) {
put_long (statdata + 0, pdev->packetssent);
put_long (statdata + 4, pdev->packetsreceived);
put_long (statdata + 8, pdev->bytessent);
put_long (statdata + 12, pdev->bytesreceived);
put_long (statdata + 16, pdev->packetsdropped);
} else {
io_error = S2ERR_BAD_STATE;
wire_error = S2WERR_NOT_TRACKED;
}
break;
case S2_GETGLOBALSTATS:
put_long (statdata + 0, dev->packetsreceived);
put_long (statdata + 4, dev->packetssent);
put_long (statdata + 8, dev->baddata);
put_long (statdata + 12, dev->overruns);
put_long (statdata + 16, 0);
put_long (statdata + 20, dev->unknowntypesreceived);
put_long (statdata + 24, dev->reconfigurations);
put_long (statdata + 28, dev->online_secs);
put_long (statdata + 32, dev->online_micro);
break;
case S2_GETSPECIALSTATS:
put_long (statdata + 1, 0);
break;
case S2_GETSTATIONADDRESS:
for (i = 0; i < ADDR_SIZE; i++) {
put_byte (srcaddr + i, dev->td->mac[i]);
put_byte (dstaddr + i, dev->td->mac[i]);
}
break;
case S2_CONFIGINTERFACE:
if (dev->configured) {
io_error = S2ERR_BAD_STATE;
wire_error = S2WERR_IS_CONFIGURED;
} else {
dev->configured = TRUE;
}
break;
case S2_ONLINE:
if (!dev->configured) {
io_error = S2ERR_BAD_STATE;
wire_error = S2WERR_NOT_CONFIGURED;
}
if (!dev->adapter) {
io_error = S2ERR_OUTOFSERVICE;
wire_error = S2WERR_RCVREL_HDW_ERR;
}
if (!io_error) {
uaenet_vsync_requested++;
async = 1;
}
break;
case S2_TRACKTYPE:
if (packettype <= 65535) {
if (pdev->tracks[packettype]) {
io_error = S2ERR_BAD_STATE;
wire_error = S2WERR_ALREADY_TRACKED;
} else {
pdev->tracks[packettype] = 1;
pdev->trackcnt++;
}
} else {
io_error = S2ERR_BAD_ARGUMENT;
}
break;
case S2_UNTRACKTYPE:
if (packettype <= 65535) {
if (!pdev->tracks[packettype]) {
io_error = S2ERR_BAD_STATE;
wire_error = S2WERR_NOT_TRACKED;
} else {
pdev->tracks[packettype] = 0;
pdev->trackcnt--;
}
} else {
io_error = S2ERR_BAD_ARGUMENT;
}
break;
case S2_OFFLINE:
if (dev->online) {
dev->online = 0;
checkevents (dev, S2EVENT_OFFLINE, 1);
}
break;
case S2_ONEVENT:
{
uae_u32 events;
uae_u32 wanted_events = get_long (request + 32);
if (wanted_events & ~KNOWN_EVENTS) {
io_error = S2ERR_NOT_SUPPORTED;
events = S2WERR_BAD_EVENT;
} else {
if (dev->online)
events = S2EVENT_ONLINE;
else
events = S2EVENT_OFFLINE;
events &= wanted_events;
if (events) {
wire_error = events;
} else {
async = 1;
}
}
}
break;
default:
io_error = IOERR_NOCMD;
break;
offline:
io_error = S2ERR_OUTOFSERVICE;
wire_error = S2WERR_UNIT_OFFLINE;
break;
toobig:
io_error = S2ERR_MTU_EXCEEDED;
wire_error = S2WERR_GENERIC_ERROR;
break;
}
end:
if (log_net && (io_error || wire_error))
write_log (_T("-> %d (%d)\n"), io_error, wire_error);
put_long (request + 32, wire_error);
put_byte (request + 31, io_error);
return async;
}
static uae_u32 REGPARAM2 uaenet_int_handler (TrapContext *ctx)
{
int i, j;
int gotit;
struct asyncreq *ar;
if (uae_sem_trywait (&async_sem)) {
uaenet_int_requested = 0;
uaenet_int_late = 1;
return 0;
}
for (i = 0; i < MAX_OPEN_DEVICES; i++)
pdevst[i].tmp = 0;
for (i = 0; i < MAX_TOTAL_NET_DEVICES; i++) {
struct s2devstruct *dev = &devst[i];
struct s2packet *p;
if (dev->online) {
while (dev->readqueue) {
uae_u16 type;
p = dev->readqueue;
type = (p->data[2 * ADDR_SIZE] << 8) | p->data[2 * ADDR_SIZE + 1];
ar = dev->ar;
gotit = 0;
while (ar) {
if (!ar->ready) {
uaecptr request = ar->request;
int command = get_word (request + 28);
uae_u32 packettype = get_long (request + 32 + 4);
if (command == CMD_READ && (packettype == type || (packettype <= 1500 && type <= 1500))) {
struct priv_s2devstruct *pdev = getps2devstruct (request);
if (pdev && pdev->tmp == 0) {
if (handleread (ctx, pdev, request, p->data, p->len, command)) {
if (log_net)
write_log (_T("-> %p Accepted, CMD_READ, REQ=%08X LEN=%d\n"), p, request, p->len);
ar->ready = 1;
write_comm_pipe_u32 (&dev->requests, request, 1);
dev->packetsreceived++;
gotit = 1;
pdev->tmp = 1;
} else {
if (log_net)
write_log (_T("-> %p PacketFilter() rejected, CMD_READ, REQ=%08X LEN=%d\n"), p, request, p->len);
pdev->tmp = -1;
}
}
}
}
ar = ar->next;
}
ar = dev->ar;
while (ar) {
if (!ar->ready) {
uaecptr request = ar->request;
int command = get_word (request + 28);
if (command == S2_READORPHAN) {
struct priv_s2devstruct *pdev = getps2devstruct (request);
if (pdev && pdev->tmp <= 0) {
if (log_net)
write_log (_T("-> %p Accepted, S2_READORPHAN, REQ=%08X LEN=%d\n"), p, request, p->len);
handleread (ctx, pdev, request, p->data, p->len, command);
ar->ready = 1;
write_comm_pipe_u32 (&dev->requests, request, 1);
dev->packetsreceived++;
dev->unknowntypesreceived++;
gotit = 1;
pdev->tmp = 1;
}
}
}
ar = ar->next;
}
if (!gotit) {
if (log_net)
write_log (_T("-> %p packet dropped, LEN=%d\n"), p, p->len);
for (j = 0; j < MAX_OPEN_DEVICES; j++) {
if (pdevst[j].unit == dev->unit) {
if (pdevst[j].tracks[type])
pdevst[j].packetsdropped++;
}
}
}
dev->readqueue = dev->readqueue->next;
freepacket (p);
}
} else {
while (dev->readqueue) {
p = dev->readqueue;
dev->readqueue = dev->readqueue->next;
freepacket (p);
}
}
ar = dev->ar;
while (ar) {
if (!ar->ready) {
uaecptr request = ar->request;
int command = get_word (request + 28);
if (command == S2_ONLINE) {
struct priv_s2devstruct *pdev = getps2devstruct (request);
dev->packetsreceived = 0;
dev->packetssent = 0;
dev->baddata = 0;
dev->overruns = 0;
dev->unknowntypesreceived = 0;
dev->reconfigurations = 0;
if (pdev && pdev->timerbase) {
m68k_areg (regs, 0) = pdev->tempbuf;
CallLib (ctx, pdev->timerbase, -0x42); /* GetSysTime() */
} else {
put_long (pdev->tempbuf + 0, 0);
put_long (pdev->tempbuf + 4, 0);
}
dev->online_secs = get_long (pdev->tempbuf + 0);
dev->online_micro = get_long (pdev->tempbuf + 4);
checkevents (dev, S2EVENT_ONLINE, 0);
dev->online = 1;
ar->ready = 1;
write_comm_pipe_u32 (&dev->requests, request, 1);
uaenet_vsync_requested--;
} else if (command == CMD_FLUSH) {
/* do not reply CMD_FLUSH until all other requests are gone */
if (dev->ar->next == NULL) {
if (log_net)
write_log (_T("CMD_FLUSH replied %08x\n"), request);
ar->ready = 1;
write_comm_pipe_u32 (&dev->requests, request, 1);
uaenet_vsync_requested--;
} else {
struct priv_s2devstruct *pdev = getps2devstruct (request);
if (pdev) {
dev->flush_timeout--;
if (dev->flush_timeout <= 0) {
dev->flush_timeout = FLUSH_TIMEOUT;
if (dev->flush_timeout_cnt > 1)
write_log (_T("WARNING: %s:%d CMD_FLUSH possibly frozen..\n"), getdevname(), pdev->unit);
dev->flush_timeout_cnt++;
flush (pdev);
}
}
}
}
}
ar = ar->next;
}
}
if (uaenet_int_late)
uaenet_int_requested = 1;
else
uaenet_int_requested = 0;
uaenet_int_late = 0;
uae_sem_post (&async_sem);
return 0;
}
