[PATCH net-next v3 2/3] net: dsa: rzn1-a5psw: add support for .port_bridge_flags

Clément Léger
2023-02-08T16:16:26Z

When running vlan test (bridge_vlan_aware/unaware.sh), there were some
failure due to the lack .port_bridge_flag function to disable port
flooding. Implement this operation for BR_LEARNING, BR_FLOOD,
BR_MCAST_FLOOD and BR_BCAST_FLOOD.

Signed-off-by: Clément Léger <clement.leger@bootlin.com>
---
drivers/net/dsa/rzn1_a5psw.c | 45 ++++++++++++++++++++++++++++++++++++
1 file changed, 45 insertions(+)

diff --git a/drivers/net/dsa/rzn1_a5psw.c b/drivers/net/dsa/rzn1_a5psw.c
index 8b7d4a371f8b..0ce3948952db 100644
--- a/drivers/net/dsa/rzn1_a5psw.c
+++ b/drivers/net/dsa/rzn1_a5psw.c
@@ -342,6 +342,49 @@ static void a5psw_port_bridge_leave(struct dsa_switch *ds, int port,
a5psw->br_dev = NULL;
}

+static int a5psw_port_pre_bridge_flags(struct dsa_switch *ds, int port,
+ struct switchdev_brport_flags flags,
+ struct netlink_ext_ack *extack)
+{
+ if (flags.mask & ~(BR_LEARNING | BR_FLOOD | BR_MCAST_FLOOD |
+ BR_BCAST_FLOOD))
+ return -EINVAL;
+
+ return 0;
+}
+
+static int
+a5psw_port_bridge_flags(struct dsa_switch *ds, int port,
+ struct switchdev_brport_flags flags,
+ struct netlink_ext_ack *extack)
+{
+ struct a5psw *a5psw = ds->priv;
+ u32 val;
+
+ if (flags.mask & BR_LEARNING) {
+ val = flags.val & BR_LEARNING ? 0 : A5PSW_INPUT_LEARN_DIS(port);
+ a5psw_reg_rmw(a5psw, A5PSW_INPUT_LEARN,
+ A5PSW_INPUT_LEARN_DIS(port), val);
+ }
+
+ if (flags.mask & BR_FLOOD) {
+ val = flags.val & BR_FLOOD ? BIT(port) : 0;
+ a5psw_reg_rmw(a5psw, A5PSW_UCAST_DEF_MASK, BIT(port), val);
+ }
+
+ if (flags.mask & BR_MCAST_FLOOD) {
+ val = flags.val & BR_MCAST_FLOOD ? BIT(port) : 0;
+ a5psw_reg_rmw(a5psw, A5PSW_MCAST_DEF_MASK, BIT(port), val);
+ }
+
+ if (flags.mask & BR_BCAST_FLOOD) {
+ val = flags.val & BR_BCAST_FLOOD ? BIT(port) : 0;
+ a5psw_reg_rmw(a5psw, A5PSW_BCAST_DEF_MASK, BIT(port), val);
+ }
+
+ return 0;
+}
+
static void a5psw_port_stp_state_set(struct dsa_switch *ds, int port, u8 state)
{
u32 mask = A5PSW_INPUT_LEARN_DIS(port) | A5PSW_INPUT_LEARN_BLOCK(port);
@@ -754,6 +797,8 @@ static const struct dsa_switch_ops a5psw_switch_ops = {
.set_ageing_time = a5psw_set_ageing_time,
.port_bridge_join = a5psw_port_bridge_join,
.port_bridge_leave = a5psw_port_bridge_leave,
+ .port_pre_bridge_flags = a5psw_port_pre_bridge_flags,
+ .port_bridge_flags = a5psw_port_bridge_flags,
.port_stp_state_set = a5psw_port_stp_state_set,
.port_fast_age = a5psw_port_fast_age,
.port_fdb_add = a5psw_port_fdb_add,
--
2.39.0