@@ -40,6 +40,7 @@
#define MAX_SINGLE_PACKET_SIZE (9000)
#define LAN75XX_EEPROM_MAGIC (0x7500)
#define EEPROM_MAC_OFFSET (0x01)
+#define DEFAULT_TX_CSUM_ENABLE (true)
#define DEFAULT_RX_CSUM_ENABLE (true)
#define SMSC75XX_INTERNAL_PHY_ID (1)
#define SMSC75XX_TX_OVERHEAD (8)
@@ -625,6 +626,8 @@ static const struct ethtool_ops smsc75xx_ethtool_ops = {
.get_eeprom_len = smsc75xx_ethtool_get_eeprom_len,
.get_eeprom = smsc75xx_ethtool_get_eeprom,
.set_eeprom = smsc75xx_ethtool_set_eeprom,
+ .get_tx_csum = ethtool_op_get_tx_csum,
+ .set_tx_csum = ethtool_op_set_tx_hw_csum,
.get_rx_csum = smsc75xx_ethtool_get_rx_csum,
.set_rx_csum = smsc75xx_ethtool_set_rx_csum,
};
@@ -943,6 +946,7 @@ static int smsc75xx_reset(struct usbnet *dev)
netif_dbg(dev, ifup, dev->net, "RFE_CTL set to 0x%08x", pdata->rfe_ctl);
/* Enable or disable checksum offload engines */
+ ethtool_op_set_tx_hw_csum(dev->net, DEFAULT_TX_CSUM_ENABLE);
ret = smsc75xx_set_rx_csum_offload(dev);
check_warn_return(ret, "Failed to set rx csum offload: %d", ret);
@@ -1190,6 +1194,9 @@ static struct sk_buff *smsc75xx_tx_fixup(struct usbnet *dev,
tx_cmd_a = (u32)(skb->len & TX_CMD_A_LEN) | TX_CMD_A_FCS;
+ if (skb->ip_summed == CHECKSUM_PARTIAL)
+ tx_cmd_a |= TX_CMD_A_IPE | TX_CMD_A_TPE;
+
tx_cmd_b = 0;
skb_push(skb, 4);
Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com> --- drivers/net/usb/smsc75xx.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-)