Add implementations for the mv88e6xxx switches to connect with the
generic dsa operations for configuring the port MTU.
Signed-off-by: Chris Packham <chris.pack...@alliedtelesis.co.nz>
---
drivers/net/dsa/mv88e6xxx/chip.c | 26 ++++++++++++++++++++++++++
1 file changed, 26 insertions(+)
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index c2a4ac99545d..04e4a7291d14 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -2841,6 +2841,30 @@ static int mv88e6xxx_devlink_param_set(struct dsa_switch
*ds, u32 id,
return err;
}
+static int mv88e6xxx_port_change_mtu(struct dsa_switch *ds, int port,
+ int new_mtu)
+{
+ struct mv88e6xxx_chip *chip = ds->priv;
+ int err = -EOPNOTSUPP;
+
+ mv88e6xxx_reg_lock(chip);
+ if (chip->info->ops->port_set_jumbo_size)
+ err = chip->info->ops->port_set_jumbo_size(chip, port, new_mtu);
+ mv88e6xxx_reg_unlock(chip);
+
+ return err;
+}
+
+static int mv88e6xxx_port_max_mtu(struct dsa_switch *ds, int port)
+{
+ struct mv88e6xxx_chip *chip = ds->priv;
+
+ if (chip->info->ops->port_set_jumbo_size)
+ return 10240;
+
+ return 1518;
+}
+
static const struct devlink_param mv88e6xxx_devlink_params[] = {
DSA_DEVLINK_PARAM_DRIVER(MV88E6XXX_DEVLINK_PARAM_ID_ATU_HASH,
"ATU_hash", DEVLINK_PARAM_TYPE_U8,
@@ -5562,6 +5586,8 @@ static const struct dsa_switch_ops mv88e6xxx_switch_ops =
{
.get_ts_info = mv88e6xxx_get_ts_info,
.devlink_param_get = mv88e6xxx_devlink_param_get,
.devlink_param_set = mv88e6xxx_devlink_param_set,
+ .port_change_mtu = mv88e6xxx_port_change_mtu,
+ .port_max_mtu = mv88e6xxx_port_max_mtu,
};
static int mv88e6xxx_register_switch(struct mv88e6xxx_chip *chip)
--
2.27.0
