[Winpcap-users] compiling npf driver and packet library on vista

Jigar Shah jno_u at hotmail.com
Tue Aug 18 11:22:24 PDT 2009

Thanks a lot Gianluca  I will surely have a look at wcap.dll code.


From: gianluca.varenni at cacetech.com
To: winpcap-users at winpcap.org
Date: Thu, 13 Aug 2009 11:42:19 -0700
Subject: Re: [Winpcap-users] compiling npf driver and packet library on vista


  ----- Original Message ----- 
  Jigar Shah 
  To: winpcap-users at winpcap.org 
  Sent: Wednesday, August 12, 2009 12:30 
  Subject: [Winpcap-users] compiling npf 
  driver and packet library on vista

  Hi All,

I want my application talk to driver and receive the 
  packets captured  from air. And for the same I need protocol driver to 
  talk pull the packets from the driver and put them to user buffer. I have 4.1 
  wpcap source.

I have few questions. It would be great if some one can 
  help me with them:

1. Compilation environment for npf (protocol driver) 
  and packet library.
Please follow the directions in the WinPcap 
developer's pack, or online at

2. Will I have to do any changes in packet library to make it work 
  for my driver to push the packets up the application?
Integrating support for a new "driver" can be 
tricky. I suggest you to integrate it at the wpcap.dll level, it's much easier 
than integrating it into packet.dll. If you modify wpcap.dll, I suggest you to 
download the sources for 4.1beta5 and have a look at how I added support for the 
TurboCap cards in the files pcap-tc.h and pcap-tc.c

3. Are there any odds that needs to be taken care in Vista? I am new 
  to this part of windows.


Your help is greatly appreciated 
Have a nice day


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