Messages in this thread | | | Date | Fri, 01 Oct 1999 13:44:11 +0200 | From | Florian Heinz <> | Subject | Re: dns->tcp/ip->ethernet |
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Hi, > I developing a Real-Time network protocol to work under Linux > ipv4. In the first phase of the project I took only the hardware > addresses to make the connections between PC's for not to worry about > the TCP and IP stuff and socket implementation, just for testing > purposes. My idea is to come up with a user level real-time socket > implementation and now I am in the process of reading the TCP/IP code to > find where the hostnames turn into TCP and IP addresses and finally where The kernel-networkcode doesn't care about hostnames... That's done in userspace (gethostbyname is a library-function, not a syscall)
> these turn into hardware addresses. I would like my protocol to work in > an environment in which TCP/IP is operating. > > I have found arp_find() and other functions that seems to look at the > route table and obtain the hardware addresses, but they are so inmersed > into the design of the TCP/IP that I have not clear idea how to use them. Agree! I'm seeking myself for a way to send "hand-made" tcp/ip-packets without having to care about the datalink-level-headers... This part has changed since 2.0.x and now I'm _really_ stuck...
Florian
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