[Click] User and Kernel communication

[Beyers Cronje]

Hi Ramanathan,

To communicate from click kernel to userlevel use ToHost or ToHostSniffers.
Comms from userlevel to click kernel is slighty more complex and can be
established with FromHost element
http://www.read.cs.ucla.edu/click/elements/fromhost or via read/write
handlers depending on what info you want to communcate.

There might be other ways but I'm not familiar with them.

Beyers


On 3/24/06, Ramanathan Palaniappan <ramwisc at gmail.com> wrote:
>
> Hi,
>
> I am writing a click element that periodically, has to process packets and
> cluster them into separate groups based on some metric. The clustering
> code
> is already available but the problem is that it makes heavy use of C++ STL
> libraries and hence, is unusable within the kernel. I am planning to have
> the clustering module as it is in user space and I am trying to establish
> communication between click in kernel mode and the clustering module (in
> user space).  The data transfer has to take place in both the directions.
> What is the best way to do it ? Any suggestions would be greatly
> appreciated.
>
> Thanks,
> Ramanathan
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