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net: dm9000: convert to hw_features 

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Michał Mirosław 2011-04-15 04:50:49 +00:00 committed by David S. Miller
parent 6de240b7f7
commit c88fcb3d82
1 changed files with 14 additions and 45 deletions
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59
drivers/net/dm9000.c
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@ -131,8 +131,6 @@ typedef struct board_info {
u32 msg_enable;
u32 wake_state;
int rx_csum;
int can_csum;
int ip_summed;
} board_info_t;
@ -470,47 +468,20 @@ static int dm9000_nway_reset(struct net_device *dev)
return mii_nway_restart(&dm->mii);
}
static uint32_t dm9000_get_rx_csum(struct net_device *dev)
{
board_info_t *dm = to_dm9000_board(dev);
return dm->rx_csum;
}
static int dm9000_set_rx_csum_unlocked(struct net_device *dev, uint32_t data)
{
board_info_t *dm = to_dm9000_board(dev);
if (dm->can_csum) {
dm->rx_csum = data;
iow(dm, DM9000_RCSR, dm->rx_csum ? RCSR_CSUM : 0);
return 0;
}
return -EOPNOTSUPP;
}
static int dm9000_set_rx_csum(struct net_device *dev, uint32_t data)
static int dm9000_set_features(struct net_device *dev, u32 features)
{
board_info_t *dm = to_dm9000_board(dev);
u32 changed = dev->features ^ features;
unsigned long flags;
int ret;
if (!(changed & NETIF_F_RXCSUM))
return 0;
spin_lock_irqsave(&dm->lock, flags);
ret = dm9000_set_rx_csum_unlocked(dev, data);
iow(dm, DM9000_RCSR, (features & NETIF_F_RXCSUM) ? RCSR_CSUM : 0);
spin_unlock_irqrestore(&dm->lock, flags);
return ret;
}
static int dm9000_set_tx_csum(struct net_device *dev, uint32_t data)
{
board_info_t *dm = to_dm9000_board(dev);
int ret = -EOPNOTSUPP;
if (dm->can_csum)
ret = ethtool_op_set_tx_csum(dev, data);
return ret;
return 0;
}
static u32 dm9000_get_link(struct net_device *dev)
@ -643,10 +614,6 @@ static const struct ethtool_ops dm9000_ethtool_ops = {
.get_eeprom_len = dm9000_get_eeprom_len,
.get_eeprom = dm9000_get_eeprom,
.set_eeprom = dm9000_set_eeprom,
.get_rx_csum = dm9000_get_rx_csum,
.set_rx_csum = dm9000_set_rx_csum,
.get_tx_csum = ethtool_op_get_tx_csum,
.set_tx_csum = dm9000_set_tx_csum,
};
static void dm9000_show_carrier(board_info_t *db,
@ -800,7 +767,9 @@ dm9000_init_dm9000(struct net_device *dev)
db->io_mode = ior(db, DM9000_ISR) >> 6; /* ISR bit7:6 keeps I/O mode */
/* Checksum mode */
dm9000_set_rx_csum_unlocked(dev, db->rx_csum);
if (dev->hw_features & NETIF_F_RXCSUM)
iow(dm, DM9000_RCSR,
(dev->features & NETIF_F_RXCSUM) ? RCSR_CSUM : 0);
iow(db, DM9000_GPCR, GPCR_GEP_CNTL); /* Let GPIO0 output */
@ -1049,7 +1018,7 @@ dm9000_rx(struct net_device *dev)
/* Pass to upper layer */
skb->protocol = eth_type_trans(skb, dev);
if (db->rx_csum) {
if (dev->features & NETIF_F_RXCSUM) {
if ((((rxbyte & 0x1c) << 3) & rxbyte) == 0)
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
@ -1358,6 +1327,7 @@ static const struct net_device_ops dm9000_netdev_ops = {
.ndo_set_multicast_list = dm9000_hash_table,
.ndo_do_ioctl = dm9000_ioctl,
.ndo_change_mtu = eth_change_mtu,
.ndo_set_features = dm9000_set_features,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = eth_mac_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER
@ -1551,9 +1521,8 @@ dm9000_probe(struct platform_device *pdev)
/* dm9000a/b are capable of hardware checksum offload */
if (db->type == TYPE_DM9000A || db->type == TYPE_DM9000B) {
db->can_csum = 1;
db->rx_csum = 1;
ndev->features |= NETIF_F_IP_CSUM;
ndev->hw_features = NETIF_F_RXCSUM | NETIF_F_IP_CSUM;
ndev->features |= ndev->hw_features;
}
/* from this point we assume that we have found a DM9000 */