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Old 05-02-2013, 04:40 PM   #1
Registered: Oct 2007
Location: BC, Canada
Distribution: Fedora, Debian
Posts: 210

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Mapping Kernel 3.x Network Subsystems

Hi all,

A friend and I are looking to learn in-depth the Linux kernel network stack from driver to userspace. We both have a fair amount of C programming and have alot of networking/iptables knowledge. I have also programmed using NFqueue (and its libraries) and understand its mechanisms.

Besides just looking at the source code, where would you start? Most of the documentation I have seen is 2.6.x or 2.4.x, so if you were going to work your way through the kernel and its subsystems; what would you do? what tools or configs would you use?
Old 05-12-2013, 01:18 PM   #2
Registered: Feb 2002
Location: Grenoble
Distribution: Debian
Posts: 9,545

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You can try the book Understanding Linux Network Internals. It's 2.6, but the concepts didn't change that much.


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