Hi, I think you could implement a kernel module that registers a netfilter hook. Your hook would capture TCP packets and send those packets via the NIC. I suggest you have a look at http://www.netfilter.org. Thomas. ----- Original Message ----- From: "Dennis Dungs" <Dennis.Dungs@freenet.de> To: <linux-net@vger.kernel.org> Sent: Tuesday, September 16, 2003 7:31 PM Subject: Kernel Modification needed > Hi, > > I'm newbie in Kernel programming and this mailing list, so forgive me asking > and some probably stupid question or statements. > I want to experiment with some sort of TCP Proxy, which will implement a > kind of Snoop Protocol to empower the wireless link for some percent ;-). > I thought, if its possible to write just a user-program to implement this > functionality. I looked a the code of the pcap library to capture packets, > but couldn't find any kind of counterpart to send packets via the NIC. So I > have to change the current TCP implementation. Am I right or have just > something not considered/overlooked. Anyway, I think such a solution > wouldn't be very efficient. > Can you think perhaps of another solution? > > Thanks in advance, > Dennis > > > - > : send the line "unsubscribe linux-net" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
