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Date: Sun, 17 Apr 2011 12:15:47 +0200 (CEST)
From: Michał Mirosław <mirq-linux@...e.qmqm.pl>
To: netdev@...r.kernel.org
Cc: Kristoffer Glembo <kristoffer@...sler.com>
Subject: [PATCH] net: greth: convert to hw_features
Note: Driver modifies its struct net_device_ops. This will break if used for
multiple devices that are not all the same (if that HW config is possible).
Signed-off-by: Michał Mirosław <mirq-linux@...e.qmqm.pl>
---
drivers/net/greth.c | 46 ++++------------------------------------------
drivers/net/greth.h | 4 ----
2 files changed, 4 insertions(+), 46 deletions(-)
diff --git a/drivers/net/greth.c b/drivers/net/greth.c
index 396ff7d..f181304 100644
--- a/drivers/net/greth.c
+++ b/drivers/net/greth.c
@@ -901,7 +901,7 @@ static int greth_rx_gbit(struct net_device *dev, int limit)
skb_put(skb, pkt_len);
- if (greth->flags & GRETH_FLAG_RX_CSUM && hw_checksummed(status))
+ if (dev->features & NETIF_F_RXCSUM && hw_checksummed(status))
skb->ip_summed = CHECKSUM_UNNECESSARY;
else
skb_checksum_none_assert(skb);
@@ -1142,41 +1142,6 @@ static void greth_get_regs(struct net_device *dev, struct ethtool_regs *regs, vo
buff[i] = greth_read_bd(&greth_regs[i]);
}
-static u32 greth_get_rx_csum(struct net_device *dev)
-{
- struct greth_private *greth = netdev_priv(dev);
- return (greth->flags & GRETH_FLAG_RX_CSUM) != 0;
-}
-
-static int greth_set_rx_csum(struct net_device *dev, u32 data)
-{
- struct greth_private *greth = netdev_priv(dev);
-
- spin_lock_bh(&greth->devlock);
-
- if (data)
- greth->flags |= GRETH_FLAG_RX_CSUM;
- else
- greth->flags &= ~GRETH_FLAG_RX_CSUM;
-
- spin_unlock_bh(&greth->devlock);
-
- return 0;
-}
-
-static u32 greth_get_tx_csum(struct net_device *dev)
-{
- return (dev->features & NETIF_F_IP_CSUM) != 0;
-}
-
-static int greth_set_tx_csum(struct net_device *dev, u32 data)
-{
- netif_tx_lock_bh(dev);
- ethtool_op_set_tx_csum(dev, data);
- netif_tx_unlock_bh(dev);
- return 0;
-}
-
static const struct ethtool_ops greth_ethtool_ops = {
.get_msglevel = greth_get_msglevel,
.set_msglevel = greth_set_msglevel,
@@ -1185,10 +1150,6 @@ static const struct ethtool_ops greth_ethtool_ops = {
.get_drvinfo = greth_get_drvinfo,
.get_regs_len = greth_get_regs_len,
.get_regs = greth_get_regs,
- .get_rx_csum = greth_get_rx_csum,
- .set_rx_csum = greth_set_rx_csum,
- .get_tx_csum = greth_get_tx_csum,
- .set_tx_csum = greth_set_tx_csum,
.get_link = ethtool_op_get_link,
};
@@ -1570,9 +1531,10 @@ static int __devinit greth_of_probe(struct platform_device *ofdev)
GRETH_REGSAVE(regs->status, 0xFF);
if (greth->gbit_mac) {
- dev->features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_HIGHDMA;
+ dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM |
+ NETIF_F_RXCSUM;
+ dev->features = dev->hw_features | NETIF_F_HIGHDMA;
greth_netdev_ops.ndo_start_xmit = greth_start_xmit_gbit;
- greth->flags = GRETH_FLAG_RX_CSUM;
}
if (greth->multicast) {
diff --git a/drivers/net/greth.h b/drivers/net/greth.h
index be0f206..9a0040d 100644
--- a/drivers/net/greth.h
+++ b/drivers/net/greth.h
@@ -77,9 +77,6 @@
*/
#define MAX_FRAME_SIZE 1520
-/* Flags */
-#define GRETH_FLAG_RX_CSUM 0x1
-
/* GRETH APB registers */
struct greth_regs {
u32 control;
@@ -133,7 +130,6 @@ struct greth_private {
unsigned int duplex;
u32 msg_enable;
- u32 flags;
u8 phyaddr;
u8 multicast;
--
1.7.2.5
--
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