Commit e14f7239 authored by Horatiu Vultur's avatar Horatiu Vultur Committed by David S. Miller
Browse files

net: lan966x: Extend switchdev bridge flags 



Currently allow a port to be part or not of the multicast flooding mask.
By implementing the switchdev calls SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS
and SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS.

Signed-off-by: default avatarHoratiu Vultur <horatiu.vultur@microchip.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 6d2c186a

drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c

+39 −0
Original line number Diff line number Diff line
@@ -9,6 +9,39 @@ static struct notifier_block lan966x_netdevice_nb __read_mostly; 
static struct notifier_block lan966x_switchdev_nb __read_mostly;

static struct notifier_block lan966x_switchdev_blocking_nb __read_mostly;



static void lan966x_port_set_mcast_flood(struct lan966x_port *port,

					 bool enabled)

{

	u32 val = lan_rd(port->lan966x, ANA_PGID(PGID_MC));



	val = ANA_PGID_PGID_GET(val);

	if (enabled)

		val |= BIT(port->chip_port);

	else

		val &= ~BIT(port->chip_port);



	lan_rmw(ANA_PGID_PGID_SET(val),

		ANA_PGID_PGID,

		port->lan966x, ANA_PGID(PGID_MC));

}



static void lan966x_port_bridge_flags(struct lan966x_port *port,

				      struct switchdev_brport_flags flags)

{

	if (flags.mask & BR_MCAST_FLOOD)

		lan966x_port_set_mcast_flood(port,

					     !!(flags.val & BR_MCAST_FLOOD));

}



static int lan966x_port_pre_bridge_flags(struct lan966x_port *port,

					 struct switchdev_brport_flags flags)

{

	if (flags.mask & ~BR_MCAST_FLOOD)

		return -EINVAL;



	return 0;

}



static void lan966x_update_fwd_mask(struct lan966x *lan966x)

{

	int i;
@@ -67,6 +100,12 @@ static int lan966x_port_attr_set(struct net_device *dev, const void *ctx, 
		return 0;



	switch (attr->id) {

	case SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS:

		lan966x_port_bridge_flags(port, attr->u.brport_flags);

		break;

	case SWITCHDEV_ATTR_ID_PORT_PRE_BRIDGE_FLAGS:

		err = lan966x_port_pre_bridge_flags(port, attr->u.brport_flags);

		break;

	case SWITCHDEV_ATTR_ID_PORT_STP_STATE:

		lan966x_port_stp_state_set(port, attr->u.stp_state);

		break;