iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net: lan966x: Extend switchdev bridge flags

Browse Source 
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>
This commit is contained in:
Horatiu Vultur
2021-12-18 22:49:45 +01:00
committed by David S. Miller
parent 6d2c186afa
commit e14f72398d
1 changed files with 39 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
drivers/net/ethernet/microchip/lan966x/lan966x_switchdev.c
View File

@@ -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;