From: Vivien Didelot <vivien.dide...@savoirfairelinux.com> Date: Fri, 19 May 2017 17:00:35 -0400
> DSA is by nature the support for a switch fabric, which can be composed > of a single, or multiple interconnected Ethernet switch chips. > > The current DSA core behavior is to identify the slave port targeted by > a request (e.g. adding a VLAN entry), and program the switch chip to > which it belongs accordingly. > > This is problematic in a multi-chip environment, since all chips of a > fabric must be aware of most configuration changes. Here are some > concrete examples in a 3-chip environment: ... > This patch series uses the notification chain introduced for bridging, > to notify not only bridge, but switchdev attributes and objects events > to all switch chips of the fabric. Andrew or Florian, can I get a review? I audited the slave-->port transformations and they all look good.