[Reclaiming buffer][202012] Support reclaiming buffer in traditional buffer model #2063
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What I did
It's to port #2011 to 202012
To reclaim reserved buffer.
As the way to do it differs among vendors,
buffermgrd
will:Signed-off-by: Stephen Sun [email protected]
Why I did it
To support reclaiming reserved buffer when a port is shut down on Mellanox platform in traditional buffer model.
How I verified it
Regression test and vs test.
Details if related