From 741af0053b43d8b9a688a12c57ece62338616ae8 Mon Sep 17 00:00:00 2001 From: Ido Schimmel Date: Wed, 28 Oct 2015 10:16:54 +0100 Subject: switchdev: Add support for flood control Allow devices supporting this feature to control the flooding of unknown unicast traffic, by making switchdev infrastructure propagate this setting to the switch driver. Signed-off-by: Ido Schimmel Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- Documentation/networking/switchdev.txt | 3 +++ 1 file changed, 3 insertions(+) (limited to 'Documentation/networking') diff --git a/Documentation/networking/switchdev.txt b/Documentation/networking/switchdev.txt index 0714fe555016..ce510e1a3e87 100644 --- a/Documentation/networking/switchdev.txt +++ b/Documentation/networking/switchdev.txt @@ -298,6 +298,9 @@ packets up to the bridge driver for flooding. This is not ideal as the number of ports scale in the L2 domain as the device is much more efficient at flooding packets that software. +If supported by the device, flood control can be offloaded to it, preventing +certain netdevs from flooding unicast traffic for which there is no FDB entry. + IGMP Snooping ^^^^^^^^^^^^^ -- cgit v1.2.3