[PATCH net-next v8 8/9] net: lan966x: Extend switchdev bridge flags
flat view
STALE1757d
From: Horatiu Vultur <horatiu.vultur@microchip.com>
Date: 2021-12-18 21:48:40
Also in:
lkml, netdev
Subsystem:
microchip lan966x ethernet driver, networking drivers, the rest · Maintainers:
Horatiu Vultur, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Revision v8 of 5 in this series.
Revisions (5)
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> --- .../microchip/lan966x/lan966x_switchdev.c | 39 +++++++++++++++++++ 1 file changed, 39 insertions(+)
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;
--
2.33.0