Commit 08666cbb authored by Felix Fietkau's avatar Felix Fietkau Committed by Jakub Kicinski

net: ethernet: mtk_eth_soc: add support for configuring vlan rx offload

Keep the vlan rx offload feature in sync across all netdevs belonging to the
device, since the feature is global and can't be turned off per MAC
Signed-off-by: default avatarFelix Fietkau <nbd@nbd.name>
Signed-off-by: default avatarJakub Kicinski <kuba@kernel.org>
parent 19048703
...@@ -2724,15 +2724,30 @@ static netdev_features_t mtk_fix_features(struct net_device *dev, ...@@ -2724,15 +2724,30 @@ static netdev_features_t mtk_fix_features(struct net_device *dev,
static int mtk_set_features(struct net_device *dev, netdev_features_t features) static int mtk_set_features(struct net_device *dev, netdev_features_t features)
{ {
int err = 0; struct mtk_mac *mac = netdev_priv(dev);
struct mtk_eth *eth = mac->hw;
netdev_features_t diff = dev->features ^ features;
int i;
if (!((dev->features ^ features) & NETIF_F_LRO)) if ((diff & NETIF_F_LRO) && !(features & NETIF_F_LRO))
mtk_hwlro_netdev_disable(dev);
/* Set RX VLAN offloading */
if (!(diff & NETIF_F_HW_VLAN_CTAG_RX))
return 0; return 0;
if (!(features & NETIF_F_LRO)) mtk_w32(eth, !!(features & NETIF_F_HW_VLAN_CTAG_RX),
mtk_hwlro_netdev_disable(dev); MTK_CDMP_EG_CTRL);
return err; /* sync features with other MAC */
for (i = 0; i < MTK_MAC_COUNT; i++) {
if (!eth->netdev[i] || eth->netdev[i] == dev)
continue;
eth->netdev[i]->features &= ~NETIF_F_HW_VLAN_CTAG_RX;
eth->netdev[i]->features |= features & NETIF_F_HW_VLAN_CTAG_RX;
}
return 0;
} }
/* wait for DMA to finish whatever it is doing before we start using it again */ /* wait for DMA to finish whatever it is doing before we start using it again */
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment