On Fri, 2 Oct 2020 16:04:21 -0700 Jakub Kicinski wrote: > On Fri, 2 Oct 2020 12:56:43 +0300 Grygorii Strashko wrote: > > On 02/10/2020 02:08, Jakub Kicinski wrote: > > > On Thu, 1 Oct 2020 13:52:50 +0300 Grygorii Strashko wrote: > > >> This series adds multi-port support in mac-only mode (multi MAC mode) to TI > > >> AM65x CPSW driver in preparation for enabling support for multi-port devices, > > >> like Main CPSW0 on K3 J721E SoC or future CPSW3g on K3 AM64x SoC. > > >> > > >> The multi MAC mode is implemented by configuring every enabled port in "mac-only" > > >> mode (all ingress packets are sent only to the Host port and egress packets > > >> directed to target Ext. Port) and creating separate net_device for > > >> every enabled Ext. port. > > > > > > Do I get it right that you select the mode based on platform? Can the > > > other mode still be supported on these platforms? > > > > > > Is this a transition to normal DSA mode where ports always have netdevs? > > > > The idea here is to start in multi mac mode by default, as we still > > have pretty high demand for this. Then, and we are working on it, the > > switchdev mode is going to be introduces (not DSA). The switch > > between modes will happen by using devlink option - the approach is > > similar to what was used for Sitara CPSW cpsw_new.c driver [1]. > > What's unclear from the patches is whether the default configuration > for already supported platforms will change? > > All the patches sound like they are "in preparation for support of K3 > J721E" etc. So this is just code restructuring with no user-visible > changes? Another way of putting the question perhaps would be - is num_ports always 1 for existing platforms?
