On Mon, Jul 18, 2016 at 02:46:21PM -0400, Vivien Didelot wrote: > Some switches provide a Rsvd2CPU mechanism used to choose which of the > 16 reserved multicast destination addresses matching 01:80:c2:00:00:0x > should be considered as MGMT and thus forwarded to the CPU port. > > Other switches extend this mechanism to also configure as MGMT the > additional 16 reserved multicast addresses matching 01:80:c2:00:00:2x. > > This mechanism is exposed via two registers in Global 2, and an Rsvd2CPU > enable bit in the management register. > > Newer chip (such as 88E6390) has replaced these registers with a new > indirect MGMT mechanism in Global 1. > > The patch adds two MV88E6XXX_FLAG_G2_MGMT_EN_{0,2}X flags to describe > the presence of these Global 2 registers. If 88E6390 support is added, a > MV88E6XXX_FLAG_G1_MGMT_CTRL flag will be needed to setup Rsvd2CPU. > > Note: all switches still support in parallel the ATU Load operation with > an MGMT Entry State to forward such frames in a less convenient way. > > net: dsa: mv88e6xxx: add cap for MGMT Enable 2x
We seem to have an extra subject line here? > Signed-off-by: Vivien Didelot <vivien.dide...@savoirfairelinux.com> Reviewed-by: Andrew Lunn <and...@lunn.ch> Andrew