From ebb1bb401303ffac0ee994ba8ed9dfd24bb2ac5f Mon Sep 17 00:00:00 2001 From: Horatiu Vultur Date: Tue, 16 Mar 2021 21:10:17 +0100 Subject: net: ocelot: Add PGID_BLACKHOLE Add a new PGID that is used not to forward frames anywhere. It is used by MRP to make sure that MRP Test frames will not reach CPU port. Signed-off-by: Horatiu Vultur Signed-off-by: David S. Miller --- drivers/net/ethernet/mscc/ocelot.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/net') diff --git a/drivers/net/ethernet/mscc/ocelot.c b/drivers/net/ethernet/mscc/ocelot.c index 46e5c9136bac..f74d7cf002a5 100644 --- a/drivers/net/ethernet/mscc/ocelot.c +++ b/drivers/net/ethernet/mscc/ocelot.c @@ -2051,6 +2051,9 @@ int ocelot_init(struct ocelot *ocelot) ocelot_write_rix(ocelot, val, ANA_PGID_PGID, i); } + + ocelot_write_rix(ocelot, 0, ANA_PGID_PGID, PGID_BLACKHOLE); + /* Allow broadcast and unknown L2 multicast to the CPU. */ ocelot_rmw_rix(ocelot, ANA_PGID_PGID_PGID(BIT(ocelot->num_phys_ports)), ANA_PGID_PGID_PGID(BIT(ocelot->num_phys_ports)), -- cgit v1.2.3-59-g8ed1b