[Bridge] [PATCH net-next] net: bridge: add support for port isolation

[David Miller]

From: Nikolay Aleksandrov <nikolay at cumulusnetworks.com>
Date: Thu, 24 May 2018 11:56:48 +0300

> This patch adds support for a new port flag - BR_ISOLATED. If it is set
> then isolated ports cannot communicate between each other, but they can
> still communicate with non-isolated ports. The same can be achieved via
> ACLs but they can't scale with large number of ports and also the
> complexity of the rules grows. This feature can be used to achieve
> isolated vlan functionality (similar to pvlan) as well, though currently
> it will be port-wide (for all vlans on the port). The new test in
> should_deliver uses data that is already cache hot and the new boolean
> is used to avoid an additional source port test in should_deliver.
> 
> Signed-off-by: Nikolay Aleksandrov <nikolay at cumulusnetworks.com>

Applied, thanks Nikolay.