netfilter: nft_set_rbtree: add timeout support

Add garbage collection logic to expire elements stored in the rb-tree
representation.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2018-05-16 22:58:34 +02:00
commit 8d8540c4f5