[TAG] tcp.c and tcp_input inquiry

[René Pfeiffer]

On Jun 03, 2008 at 1414 +0930, Ignacio, Domingo Jr Ostria - igndo001 appeared and said:
> Hi guys,
>  Thank you very much for the help. I finally found the codes after
>  getting the source from www.kernel.org and building it.

Great. :)

> [...] One more question guys, is there a tcp option part in the
>  code ( tcp.c or tcp_input.c) where I can modify and/or insert a new
>  variable like congestion window or rtt? Any help would be
>  appreciated.

The recent kernels starting with 2.6.13 allow TCP congestion algorithms
added as a module. http://acs.lbl.gov/TCP-tuning/linux-2.6.13-tcp.txt
has some short information about that. At the end of my article in LG
#135 (http://www.luchs.at/linuxgazette/135/pfeiffer.html links to a
mirror, I can't reach the main site right now) you can find links to
implementations of congestion algorithms. The code of most modules isn't
too big and you might use one of the implementations to see how it
works. 

Cheers,
Ren?.

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