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net: renesas: rswitch: add modifiable ageing time

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Allow the setting of the MAC table aging in the R-Car S4 Rswitch
using the SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME attribute.

Signed-off-by: Michael Dege <michael.dege@renesas.com>
Link: https://patch.msgid.link/20250901-add_l2_switching-v5-4-5f13e46860d5@renesas.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Michael Dege 2025-09-01 06:58:08 +02:00 committed by Paolo Abeni
parent b7502b1043
commit 92e913a3df
1 changed files with 20 additions and 0 deletions
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20
drivers/net/ethernet/renesas/rswitch_l2.c
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@ -193,6 +193,24 @@ static int rswitch_netdevice_event(struct notifier_block *nb,
return NOTIFY_OK;
}
static int rswitch_update_ageing_time(struct net_device *ndev, clock_t time)
{
struct rswitch_device *rdev = netdev_priv(ndev);
u32 reg_val;
if (!is_rdev(ndev))
return -ENODEV;
if (!FIELD_FIT(FWMACAGC_MACAGT, time))
return -EINVAL;
reg_val = FIELD_PREP(FWMACAGC_MACAGT, time);
reg_val |= FWMACAGC_MACAGE | FWMACAGC_MACAGSL;
iowrite32(reg_val, rdev->priv->addr + FWMACAGC);
return 0;
}
static int rswitch_port_attr_set(struct net_device *ndev, const void *ctx,
const struct switchdev_attr *attr,
struct netlink_ext_ack *extack)
@ -200,6 +218,8 @@ static int rswitch_port_attr_set(struct net_device *ndev, const void *ctx,
switch (attr->id) {
case SWITCHDEV_ATTR_ID_PORT_STP_STATE:
return rswitch_port_update_stp_state(ndev, attr->u.stp_state);
case SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME:
return rswitch_update_ageing_time(ndev, attr->u.ageing_time);
default:
return -EOPNOTSUPP;
}