@olsen

Hi, I'm getting an error 3 what am I doing wrong?

#include <exec/errors.h>
#include <exec/emulation.h>

#include <stdlib.h>
#include <stdio.h>
#include <proto/exec.h>
#include <proto/dos.h>

#include <devices/sana2.h>


ULONG copy_to_buff_ppc(struct Hook *hook,struct IOSana2Req *sana2req,struct SANA2HookMsg *sana2hookmsg)
{
	return 1;
};


static LONG copy_to_buff_68k(void)
{
	ULONG	*regs;
	uint32	packet_len;
	uint8	*to, *from;

	regs = (ULONG *)(((struct ExecBase *)SysBase)->EmuWS);

	packet_len	= regs[REG68K_D0/ 4]; 
	to			= (uint8 *) regs[REG68K_A0/ 4]; 
	from			= (uint8 *) regs[REG68K_A1/ 4]; 

	printf("old copy_to_buff_68k(void)\n");


	return 1;
}

static LONG copy_from_buff_68k(void)
{
	ULONG	*regs;
	uint32	packet_len;
	uint8	*to;
	uint8	*wds;

	regs = (ULONG *)(((struct ExecBase *)SysBase)->EmuWS);

	packet_len	= regs[REG68K_D0/ 4]; 
	to			= (uint8 *) regs[REG68K_A0/ 4]; 
	wds			= (uint8 *) regs[REG68K_A1/ 4]; 

	printf("old copy_from_buff_68k(void)\n");

	return 1;
}


static CONST ULONG buffer_tags[] =
{
	S2_CopyToBuff, (uint32)©_to_buff_68k,
	S2_CopyFromBuff, (uint32)©_from_buff_68k,
	TAG_END
};

int main()
{
	ULONG hook_tags[] = {
				S2_CopyToBuff, (ULONG) copy_to_buff_ppc,
				TAG_END
			};

	char *dev_name = "eth3com.device";
	int dev_unit = 0;
	int od_error = 1;	// not open error
	struct MsgPort *write_port = NULL, *control_port = NULL;
	struct IOSana2Req *write_io = NULL, *control_io = NULL;
	struct Sana2Hook *sana2_hook;

	int quit = 0;
	int sigs = SIGBREAKF_CTRL_C;
	int rsigs;

	sana2_hook = AllocVec(sizeof(struct Sana2Hook),MEMF_SHARED | MEMF_CLEAR);

	control_port = CreateMsgPort();

	// Create control IORequest
	if (control_io = (struct IOSana2Req *)CreateIORequest(control_port, sizeof(struct IOSana2Req)))
	{
		control_io->ios2_BufferManagement = (void *)&buffer_tags;
		od_error = OpenDevice(dev_name, dev_unit, (struct IORequest *)control_io, 0);
	}

	if (!od_error)
	{
		control_io->ios2_Req.io_Command = S2_SANA2HOOK;
		control_io->ios2_DataLength = sizeof(struct Sana2Hook);

		sana2_hook -> s2h_Methods = hook_tags;

		
		control_io->ios2_Data = sana2_hook;
		printf("hook errror? %d\n",DoIO((struct IORequest *)control_io));

		printf("device is open do some thing!!\n");	
		printf("press CTRL+C to quit\n");

		while( !quit )
		{
			rsigs = Wait( sigs );

			if (rsigs & SIGBREAKF_CTRL_C) quit = 1;
		}

		CloseDevice((struct IORequest *)control_io);
	}

	if (control_io)
	{
		DeleteIORequest( (struct IORequest*) control_io);
	}

	if (control_port)
	{
		DeleteMsgPort(control_port);
	}

}
Last edited by _Steve_ on 16-Jun-2012 at 04:05 PM.
Last edited by NutsAboutAmiga on 15-Jun-2012 at 08:27 PM.
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@NutsAboutAmiga

Quote:

NutsAboutAmiga wrote: @olsen Hi, I'm getting an error 3 what am I doing wrong?

Um, this needs a lot of work...

First thing, if you are opening a network device driver, you ought to set the station address of the device. For an Ethernet device, the station address is the transport layer address which the driver listens to when it receives data, and which is also used for mapping IPv4 addresses to Ethernet hardware addresses.

The station address needs to be set up once, the first time a network device is opened. It's safe to set it again, in which case the driver will ignore it, and all devices are supposed to support the command, even if they don't actually have a station address to set.

Here's how it works, in a nutshell:

struct IOSana2Req * s2req;
int error;

// Get the hardware default address
s2req->ios2_Req.io_Command = S2_GETSTATIONADDRESS;
DoIO((struct IORequest *)s2req);

// Use the default address as the station address
memcpy(s2req->ios2_SrcAddr,s2req->ios2_DstAddr,sizeof(s2req->ios2_DstAddr));

s2req->ios2_Req.io_Command = S2_CONFIGINTERFACE;
s2req->ios2_WireError = 0;

error = DoIO((struct IORequest *)s2req);
if(error != 0)
{
   // Check if this is something serious, or if the address
   // is already configured (not an error)
   if(s2req->ios2_WireError != 0 && s2req->ios2_WireError != S2WERR_IS_CONFIGURED)
      printf("something's up: %d, %d\n",error,s2req->ios2_WireError);
}

LONG s2_copy_to_buff(APTR to_buffer,const UBYTE * from,ULONG len);

LONG s2_copy_from_buff(UBYTE * to,const APTR from_buffer,ULONG len);

@olsen

Thanks, I see if get stuff working when I get home.

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@Dirk-B

I think conversion of IPv6 to IPv4 is possible, while its true you have more IP’s in IPv6 then IPv4, it’s not true that you are going to access all IP’s of IPv6 in a day, so what I’m saying is that IPv6 can temporary be assigned to a local IPv4 addresses for a day, all you need virtual DNS and gateway take care of the virtualization.

1. Local PC asks Virtual DNS server for IP of name ‘blabla’
2. Virtual DNS server ask Real DNS server for IPv6,
3. IPv6 IP stored in routing table, a virtual ip 11.0.0.1 is assigned to IPv6, (etch time virtual address is incremented 11.0.0.2 is next to be assigned)
4. virtual DNS returns virtual IPv4 address to local pc.

5. Local PC connects to 11.0.0.1 over the virtual router,
6. virtual router convert IPv4 into IPv6 using the routing table.

If 11.0.0.1 is not used for 12 hour is the virtual DNS entry and Virtual Route entry is dropped.

This way might be able to use 11.0.0.0/8 for virtualization, that’s 16777216 addresses that can assigned and re assigned over and over again, while your computer might not have the capacity to store so many virtual entries that not needed anyway because you only need to have number IP’s you accessed in maybe last hour .

It’s like whit ARP table it normally no more than 4 or 5 entries as list is often flushed.

There are probably a few security analysts that jump on me now if they read what I have suggested, they most likely hate it, because it makes all internet addresses anonymous, just looking IP’s will totally useless as identification, it also makes it hard to block IP addresses in programs, but that’s the job of a firewall not the program right?

Last edited by NutsAboutAmiga on 20-Jun-2012 at 03:57 PM.
Last edited by NutsAboutAmiga on 19-Jun-2012 at 10:58 PM.
Last edited by NutsAboutAmiga on 19-Jun-2012 at 10:00 PM.

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@NutsAboutAmiga and all

Thanks for the explanation.

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@NutsAboutAmiga

AFAIK, IP6 is not simply a bigger ip adress. The packets send/received are different as well for instance. Sending a IP6 packet to an IP4 adress would need some conversions as well if even possible.

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@Seer

Well yes… you need two way handshake, and you need to repackage etch package content, recalculate the CRC etc.

Last edited by NutsAboutAmiga on 20-Jun-2012 at 01:46 PM.

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@NutsAboutAmiga

Somehow I still don't think it's feasable to do. If it was easy, then I would think the adoption of IP6 would have happened several years ago.

Just that for instance an IP4 header is more complex then IP6 and you would need to build a new header for the packet in a way that IP4 accepts it (note that the header in ip6 should be bigger then ip4), plus you would need to send at least 2 ipv4 packets for every 1 IP6 packet (I think). I'm also not sure how you would handle the bigger payloads then IP4 would allow.

Also, you talk about dns, but I'm uncertain how you could get an IP6 dns if the stack only has an ip4 able dns?

Wouldn't the time spend on this be better used to create a new network stack? (Not to put you off, I know programmers dont like these questions (the "is it not better to spend time on" part)

Last edited by Seer on 20-Jun-2012 at 02:34 PM.

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@Seer

Probably, but let’s say you have more the one computer in your house that does not support IPv6.

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@Seer

tho working with an existing stack makes learning the basics a bit easier even if it is better to start over.

Last edited by jkirk on 20-Jun-2012 at 04:44 PM.

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@jkirk

I won’t promise anything it’s just an experiment, a jigsaw puzzle whit many components.

I hope to be able implement stuff in stages, unlike roadshow / sana2, Infinity stack will be divided in to many separate libraries; this means that parts can be taken out and replaced or improved.

You won’t need to stack up bunch of CMD_READ request to the devices, like whit sana2.

For now I think concentrate on getting network working in Basilisk whit the sana2 implementation.

Infinity will get sana2 gateway driver, it will work as translation layer between two different api’s.

I have no intention of coping existing API, this will be clean start, it also means that no existing application will be able to use Infinity for a long time to come.
While I might be able to produce an ARP.library from my ARP plugin tomorrow it’s of no or little use to anyone besides someone like me who is working on creating a new network stack, (yeh network stack, not tcp/ip stack)
Note there are many parts that have to work.

IPv4 (implemented)
IPv6 (started on, untested)
NDP (Network discovery protocol, think it is used by IPv6, not implemented, don’t think we need it, to speak IPv6)
TCP (partly implemented, problems whit handshake, MacOS knows about me but thinks the connection is lost)
ICMP (implemented, and working, ping protocol)
UDP (implemented, a simple protocol, that does not care for package loss)
ARP (implemented)
DHCP client (not implemented)
IPX/SPX (optimal, not implemented)
PPP (not implemented, used serial or cable modems, don’t think we need that)

The current implantation also has

“Like layer” a low level layer for distributing packages based on their mac address, it unclear at the moment if all traffic should go into this API, or if some packages should be allowed to go from device to device, to avoid overhead.

“connections” layer to keep track of sequence numbers, handshaking, in and out going port numbers.

“routing api” a api used when sender don’t know where to send traffic, currently its not implemented, instead when conection is created a ARP request will be sent to get mac address, if its not found then the connection failed.

“socket api” upper layer needs lots of work!!

“common api” standard api for plugin interface, checksums.

Last edited by NutsAboutAmiga on 21-Jun-2012 at 05:04 PM.
Last edited by NutsAboutAmiga on 20-Jun-2012 at 08:51 PM.
Last edited by NutsAboutAmiga on 20-Jun-2012 at 08:07 PM.

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@NutsAboutAmiga

One word of advice: if you are going to break down your design into components which would be implemented as shared libraries, you'll want to make sure that the library names all begin with a common prefix. Here's why: the Amiga library "name space" is flat, and no authority exists which watches over it, preventing name space collisions.

So, for example, instead of using "arp.library" for the ARP specific portions of your design, you might want to use "jigsaw-arp.library" instead (if you want to call your TCP/IP stack "jigsaw", that is).

@NutsAboutAmiga

Quote:

For now I think I concentrate on getting network working in Basilisk whit the sana2 implementation.

http://www.os4depot.net/index.php?function=uploads

uploaded all my changes to basilisk II.
(I think, replace the binary file when exit code is fixed.)

Last edited by NutsAboutAmiga on 22-Jun-2012 at 02:13 PM.

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@olsen

yes I was will, put prefix on all libraries I create.

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