/* Helpers to program the MAC core */
struct stmmac_ops {
/* MAC core initialization */
- void (*core_init)(struct mac_device_info *hw, int mtu);
+ void (*core_init)(struct mac_device_info *hw, struct net_device *dev);
/* Enable the MAC RX/TX */
void (*set_mac)(void __iomem *ioaddr, bool enable);
/* Enable and verify that the IPC module is supported */
return 0;
}
-static void sun8i_dwmac_core_init(struct mac_device_info *hw, int mtu)
+static void sun8i_dwmac_core_init(struct mac_device_info *hw,
+ struct net_device *dev)
{
void __iomem *ioaddr = hw->pcsr;
u32 v;
#include <linux/crc32.h>
#include <linux/slab.h>
#include <linux/ethtool.h>
+#include <net/dsa.h>
#include <asm/io.h>
#include "stmmac_pcs.h"
#include "dwmac1000.h"
-static void dwmac1000_core_init(struct mac_device_info *hw, int mtu)
+static void dwmac1000_core_init(struct mac_device_info *hw,
+ struct net_device *dev)
{
void __iomem *ioaddr = hw->pcsr;
u32 value = readl(ioaddr + GMAC_CONTROL);
+ int mtu = dev->mtu;
/* Configure GMAC core */
value |= GMAC_CORE_INIT;
+ /* Clear ACS bit because Ethernet switch tagging formats such as
+ * Broadcom tags can look like invalid LLC/SNAP packets and cause the
+ * hardware to truncate packets on reception.
+ */
+ if (netdev_uses_dsa(dev))
+ value &= ~GMAC_CONTROL_ACS;
+
if (mtu > 1500)
value |= GMAC_CONTROL_2K;
if (mtu > 2000)
*******************************************************************************/
#include <linux/crc32.h>
+#include <net/dsa.h>
#include <asm/io.h>
#include "dwmac100.h"
-static void dwmac100_core_init(struct mac_device_info *hw, int mtu)
+static void dwmac100_core_init(struct mac_device_info *hw,
+ struct net_device *dev)
{
void __iomem *ioaddr = hw->pcsr;
u32 value = readl(ioaddr + MAC_CONTROL);
- writel((value | MAC_CORE_INIT), ioaddr + MAC_CONTROL);
+ value |= MAC_CORE_INIT;
+
+ /* Clear ASTP bit because Ethernet switch tagging formats such as
+ * Broadcom tags can look like invalid LLC/SNAP packets and cause the
+ * hardware to truncate packets on reception.
+ */
+ if (netdev_uses_dsa(dev))
+ value &= ~MAC_CONTROL_ASTP;
+
+ writel(value, ioaddr + MAC_CONTROL);
#ifdef STMMAC_VLAN_TAG_USED
writel(ETH_P_8021Q, ioaddr + MAC_VLAN1);
#include <linux/slab.h>
#include <linux/ethtool.h>
#include <linux/io.h>
+#include <net/dsa.h>
#include "stmmac_pcs.h"
#include "dwmac4.h"
-static void dwmac4_core_init(struct mac_device_info *hw, int mtu)
+static void dwmac4_core_init(struct mac_device_info *hw,
+ struct net_device *dev)
{
void __iomem *ioaddr = hw->pcsr;
u32 value = readl(ioaddr + GMAC_CONFIG);
+ int mtu = dev->mtu;
value |= GMAC_CORE_INIT;
+ /* Clear ACS bit because Ethernet switch tagging formats such as
+ * Broadcom tags can look like invalid LLC/SNAP packets and cause the
+ * hardware to truncate packets on reception.
+ */
+ if (netdev_uses_dsa(dev))
+ value &= ~GMAC_CONFIG_ACS;
+
if (mtu > 1500)
value |= GMAC_CONFIG_2K;
if (mtu > 2000)
}
/* Initialize the MAC Core */
- priv->hw->mac->core_init(priv->hw, dev->mtu);
+ priv->hw->mac->core_init(priv->hw, dev);
/* Initialize MTL*/
if (priv->synopsys_id >= DWMAC_CORE_4_00)