Hi,

I am looking for some white paper or some slides which explain deeply
how the data structures related to the frames are organized in fd.io.

 Specifically, I need to create a mind map of the following data
structures in the code –

vlib_frame_t
vlib_next_frame_t
vlib_pending_frame_t

Then the presence of next_frames and pending_frames in
vlib_node_main_t, and the presence of next_frame_index in
vlib_node_runtime_t.

Some graphical description of how the frames are organized, which one
pointing to what from the above and so forth.

This will help in critically understanding the lifecycle of a frame (I
do understand in general in terms of a plugin, but want to see the
organization slightly more deeply). I believe I can figure all this
out if I haggle enough with the code (and which I would have to do
eventually if I want to get far and have taken a pass at it), but if
someone has done this hard work and created some kind of a friendly
document around this, I would lap it up before making another pass at
the code.

Regards
-Prashant

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