diff options
| -rw-r--r-- | drivers/net/ethernet/airoha/airoha_eth.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/net/ethernet/airoha/airoha_eth.c b/drivers/net/ethernet/airoha/airoha_eth.c index 54a239ab10aa..f3a61879e284 100644 --- a/drivers/net/ethernet/airoha/airoha_eth.c +++ b/drivers/net/ethernet/airoha/airoha_eth.c @@ -1705,6 +1705,20 @@ static void airoha_dev_get_stats64(struct net_device *dev, } while (u64_stats_fetch_retry(&port->stats.syncp, start)); } +static int airoha_dev_change_mtu(struct net_device *dev, int mtu) +{ + struct airoha_gdm_port *port = netdev_priv(dev); + struct airoha_eth *eth = port->qdma->eth; + u32 len = ETH_HLEN + mtu + ETH_FCS_LEN; + + airoha_fe_rmw(eth, REG_GDM_LEN_CFG(port->id), + GDM_LONG_LEN_MASK, + FIELD_PREP(GDM_LONG_LEN_MASK, len)); + WRITE_ONCE(dev->mtu, mtu); + + return 0; +} + static u16 airoha_dev_select_queue(struct net_device *dev, struct sk_buff *skb, struct net_device *sb_dev) { @@ -2400,6 +2414,7 @@ static const struct net_device_ops airoha_netdev_ops = { .ndo_init = airoha_dev_init, .ndo_open = airoha_dev_open, .ndo_stop = airoha_dev_stop, + .ndo_change_mtu = airoha_dev_change_mtu, .ndo_select_queue = airoha_dev_select_queue, .ndo_start_xmit = airoha_dev_xmit, .ndo_get_stats64 = airoha_dev_get_stats64, |