Re: TCP as a module

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Hi Aruna

Thanks a lot! I changed the Kconfig to tristate and set the
config_INET=m. I also needed to add "depends on CONFIG_INET" to other
config options those depend on INET. I could build it. But when I
reboot,  I got the following error and it doesn't boot. Giving up :-(

error getting socket: Address family not supported by protocol
error initializing udev control socket

I'm trying to write a Media-friendly TCP (by implementing a new
option). Please let me know if you have any suggestion.

Many thanks
Tamim

On Mon, Nov 14, 2016 at 7:17 AM, Aruna Hewapathirane
<aruna.hewapathirane@xxxxxxxxx> wrote:
>> Currently TCP is statically linked to the kernel.
>
> Correct, so how is this done and where ? Once you figure that part
> out you have what you need to do what you want to :)
>
>> How can I make it a loadable module?
>
> Change into your source tree, look for this file:
> linux-4.7.2/linux-4.7.2/net/Kconfig
>
> Kconfig  is used by the KBuild system that menuconfig uses.
>
> Look for the section:
> config INET
> bool "TCP/IP networking" <-- change bool to tristate, save and run make
> menuconfig.
>
> Now you can ask menuconfig to build TCP as a module.
>
> But... it may be better to if you can use:
> https://www.kernel.org/doc/Documentation/networking/ip-sysctl.txt
>
> One last thing, heed the warnings in Kconfig they are there for a reason.
>
> Good luck and what exactly are you trying to do ? Am curious.
>
> Aruna ( Shrugs and gets ready to duck a flying trout Valdis may send my way
> :)



-- 
Tamim
PhD Student/Graduate Assistant
CS Department, Kent State University
Kent, OH 44240
http://web.cs.kent.edu/~mislam4/

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