diff options
| author | Michael Dege <michael.dege@renesas.com> | 2025-09-01 06:58:08 +0200 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2025-09-04 09:43:23 +0200 |
| commit | 92e913a3df3c4567309bd98d7a3f2fcd5b0d0191 (patch) | |
| tree | a43ab063a32dfc6d8e1192880327c63dd4488408 | |
| parent | b7502b1043de86967ff341819d05e09a8dbe8b2b (diff) | |
net: renesas: rswitch: add modifiable ageing time
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>
| -rw-r--r-- | drivers/net/ethernet/renesas/rswitch_l2.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/net/ethernet/renesas/rswitch_l2.c b/drivers/net/ethernet/renesas/rswitch_l2.c index 49a24464dbb0..4a69ec77d69c 100644 --- a/drivers/net/ethernet/renesas/rswitch_l2.c +++ b/drivers/net/ethernet/renesas/rswitch_l2.c @@ -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; } |