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由 Ido Schimmel 提交于
Currently, each FIB (IPv4 / IPv6) in a virtual router holds a prefix usage that is used to choose a matching LPM tree, but also to check if the FIB is empty, so that the LPM tree could be unbound. Next patches will remove the reliance on the per-FIB prefix usage for LPM tree matching. Keeping it only to check if the FIB is empty is a waste, since we can use the nodes ({Prefix, Length}) list instead. Signed-off-by: NIdo Schimmel <idosch@mellanox.com> Signed-off-by: NJiri Pirko <jiri@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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