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path: root/drivers/net/ethernet/cadence
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Diffstat (limited to 'drivers/net/ethernet/cadence')
-rw-r--r--drivers/net/ethernet/cadence/macb.c77
-rw-r--r--drivers/net/ethernet/cadence/macb.h1
2 files changed, 38 insertions, 40 deletions
diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c
index cb07d95e3..d954a97b0 100644
--- a/drivers/net/ethernet/cadence/macb.c
+++ b/drivers/net/ethernet/cadence/macb.c
@@ -304,7 +304,7 @@ static void macb_set_tx_clk(struct clk *clk, int speed, struct net_device *dev)
static void macb_handle_link_change(struct net_device *dev)
{
struct macb *bp = netdev_priv(dev);
- struct phy_device *phydev = bp->phy_dev;
+ struct phy_device *phydev = dev->phydev;
unsigned long flags;
int status_change = 0;
@@ -414,7 +414,6 @@ static int macb_mii_probe(struct net_device *dev)
bp->link = 0;
bp->speed = 0;
bp->duplex = -1;
- bp->phy_dev = phydev;
return 0;
}
@@ -1324,6 +1323,24 @@ dma_error:
return 0;
}
+static inline int macb_clear_csum(struct sk_buff *skb)
+{
+ /* no change for packets without checksum offloading */
+ if (skb->ip_summed != CHECKSUM_PARTIAL)
+ return 0;
+
+ /* make sure we can modify the header */
+ if (unlikely(skb_cow_head(skb, 0)))
+ return -1;
+
+ /* initialize checksum field
+ * This is required - at least for Zynq, which otherwise calculates
+ * wrong UDP header checksums for UDP packets with UDP data len <=2
+ */
+ *(__sum16 *)(skb_checksum_start(skb) + skb->csum_offset) = 0;
+ return 0;
+}
+
static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
{
u16 queue_index = skb_get_queue_mapping(skb);
@@ -1363,6 +1380,11 @@ static int macb_start_xmit(struct sk_buff *skb, struct net_device *dev)
return NETDEV_TX_BUSY;
}
+ if (macb_clear_csum(skb)) {
+ dev_kfree_skb_any(skb);
+ return NETDEV_TX_OK;
+ }
+
/* Map socket buffer for DMA transfer */
if (!macb_tx_map(bp, queue, skb)) {
dev_kfree_skb_any(skb);
@@ -1886,7 +1908,7 @@ static int macb_open(struct net_device *dev)
netif_carrier_off(dev);
/* if the phy is not yet register, retry later*/
- if (!bp->phy_dev)
+ if (!dev->phydev)
return -EAGAIN;
/* RX buffers initialization */
@@ -1905,7 +1927,7 @@ static int macb_open(struct net_device *dev)
macb_init_hw(bp);
/* schedule a link state check */
- phy_start(bp->phy_dev);
+ phy_start(dev->phydev);
netif_tx_start_all_queues(dev);
@@ -1920,8 +1942,8 @@ static int macb_close(struct net_device *dev)
netif_tx_stop_all_queues(dev);
napi_disable(&bp->napi);
- if (bp->phy_dev)
- phy_stop(bp->phy_dev);
+ if (dev->phydev)
+ phy_stop(dev->phydev);
spin_lock_irqsave(&bp->lock, flags);
macb_reset_hw(bp);
@@ -2092,28 +2114,6 @@ static struct net_device_stats *macb_get_stats(struct net_device *dev)
return nstat;
}
-static int macb_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct macb *bp = netdev_priv(dev);
- struct phy_device *phydev = bp->phy_dev;
-
- if (!phydev)
- return -ENODEV;
-
- return phy_ethtool_gset(phydev, cmd);
-}
-
-static int macb_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
-{
- struct macb *bp = netdev_priv(dev);
- struct phy_device *phydev = bp->phy_dev;
-
- if (!phydev)
- return -ENODEV;
-
- return phy_ethtool_sset(phydev, cmd);
-}
-
static int macb_get_regs_len(struct net_device *netdev)
{
return MACB_GREGS_NBR * sizeof(u32);
@@ -2186,19 +2186,17 @@ static int macb_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
}
static const struct ethtool_ops macb_ethtool_ops = {
- .get_settings = macb_get_settings,
- .set_settings = macb_set_settings,
.get_regs_len = macb_get_regs_len,
.get_regs = macb_get_regs,
.get_link = ethtool_op_get_link,
.get_ts_info = ethtool_op_get_ts_info,
.get_wol = macb_get_wol,
.set_wol = macb_set_wol,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
};
static const struct ethtool_ops gem_ethtool_ops = {
- .get_settings = macb_get_settings,
- .set_settings = macb_set_settings,
.get_regs_len = macb_get_regs_len,
.get_regs = macb_get_regs,
.get_link = ethtool_op_get_link,
@@ -2206,12 +2204,13 @@ static const struct ethtool_ops gem_ethtool_ops = {
.get_ethtool_stats = gem_get_ethtool_stats,
.get_strings = gem_get_ethtool_strings,
.get_sset_count = gem_get_sset_count,
+ .get_link_ksettings = phy_ethtool_get_link_ksettings,
+ .set_link_ksettings = phy_ethtool_set_link_ksettings,
};
static int macb_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
- struct macb *bp = netdev_priv(dev);
- struct phy_device *phydev = bp->phy_dev;
+ struct phy_device *phydev = dev->phydev;
if (!netif_running(dev))
return -EINVAL;
@@ -2570,7 +2569,7 @@ static int at91ether_open(struct net_device *dev)
MACB_BIT(HRESP));
/* schedule a link state check */
- phy_start(lp->phy_dev);
+ phy_start(dev->phydev);
netif_start_queue(dev);
@@ -3010,7 +3009,7 @@ static int macb_probe(struct platform_device *pdev)
if (err)
goto err_out_free_netdev;
- phydev = bp->phy_dev;
+ phydev = dev->phydev;
netif_carrier_off(dev);
@@ -3029,7 +3028,7 @@ static int macb_probe(struct platform_device *pdev)
return 0;
err_out_unregister_mdio:
- phy_disconnect(bp->phy_dev);
+ phy_disconnect(dev->phydev);
mdiobus_unregister(bp->mii_bus);
mdiobus_free(bp->mii_bus);
@@ -3057,8 +3056,8 @@ static int macb_remove(struct platform_device *pdev)
if (dev) {
bp = netdev_priv(dev);
- if (bp->phy_dev)
- phy_disconnect(bp->phy_dev);
+ if (dev->phydev)
+ phy_disconnect(dev->phydev);
mdiobus_unregister(bp->mii_bus);
mdiobus_free(bp->mii_bus);
diff --git a/drivers/net/ethernet/cadence/macb.h b/drivers/net/ethernet/cadence/macb.h
index 644743c9c..b6fcf1062 100644
--- a/drivers/net/ethernet/cadence/macb.h
+++ b/drivers/net/ethernet/cadence/macb.h
@@ -823,7 +823,6 @@ struct macb {
struct macb_or_gem_ops macbgem_ops;
struct mii_bus *mii_bus;
- struct phy_device *phy_dev;
int link;
int speed;
int duplex;