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authorHoratiu Vultur <horatiu.vultur@microchip.com>2021-12-18 22:49:45 +0100
committerDavid S. Miller <davem@davemloft.net>2021-12-20 11:44:06 +0000
commite14f72398df4aaa0063a324a3ba4b37e3c86514a (patch)
treecb7587bfa9315c590dc69ec45e89bb0d6982864d /drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c
parent6d2c186afa5d5dd416c9e854e428095a117c57b3 (diff)
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: Horatiu Vultur <horatiu.vultur@microchip.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c')
-rw-r--r--drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c39
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c b/drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c
index 81e37624b553..af058700a95b 100644
--- a/drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c
+++ b/drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c
@@ -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;