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Message-ID: <54DCAFD2.3050103@yahoo.no>
Date: Thu, 12 Feb 2015 14:51:14 +0100
From: Gisle Vanem <gvanem AT yahoo DOT no>
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To: djgpp AT delorie DOT com
Subject: Re: Develop djgpp program using Windows 7 ?
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Reply-To: djgpp AT delorie DOT com

Georg Potthast wrote:

> I also use WattTCP for network access based on a packet driver. Will that work with your port?

I've also upgraded from Win-XP (since many years) and moved to
Windows-8.1.

Regarding a "packet driver", I tried getting the excellent SwsVPkt
'virtual packet driver' from Laurence Rust [1] to work in Win-8.x,
but failed. I assume it has something to do with the "new" NDIS 6.2+
bindings/API. But WinPcap (npf.sys) works fine; although that doesn't
help for DOS-program in e.g. DOS-box AFAICS. (DOS-box/djgpp/Watt-32
programs remains to be tested under Win-8.x).

SwsVpkt also works for 32-bit Windows programs; ref. my
src/swsvpkt.c + src/winpkt.c in Watt-32.

[1]. http://www.softsystem.co.uk/products/swsvpkt.htm :

   "The SwsVpkt Virtual Packet Driver provides an implementation
    of the packet driver specification enabling DOS networking
    applications to run on Windows XP, 2000 and NT4.
    SwsVpkt also enables Win32 user mode programs to
    perform raw Ethernet frame I/O. "

   and the worst news: "In line with our policy on Windows products,
     SwsVpkt will no longer be developed or supported by Software Systems."

-----

So all in all, if one cannot install a compatible pktdrvr API for
DOS programs, one is screwed.


-- 
--gv