Question about tlv message support

[NorthPole]

Hello everyone

I'm completely new to linux kernel and I would be grateful if you
could help me get started.
I read some basic things about the kernel. But I couldnt find anything
relevant to the question below.

So: Does the kernel have any support for the construction and encoding
of type/length/value (TLV) or other information element messages?
 if it has(or if you dont know) where can I find a list or more documentation?