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[NET]: Move hardware header operations out of netdevice.

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Since hardware header operations are part of the protocol class
not the device instance, make them into a separate object and
save memory.

Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2007-10-09 01:40:57 -07:00 • committed by David S. Miller
parent b95cce3576
commit 3b04ddde02
65 changed files with 479 additions and 473 deletions
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15
drivers/net/macvlan.c
View file

@ -164,8 +164,8 @@ static int macvlan_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
static int macvlan_hard_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type, void *daddr, void *saddr,
unsigned len)
unsigned short type, const void *daddr,
const void *saddr, unsigned len)
{
const struct macvlan_dev *vlan = netdev_priv(dev);
struct net_device *lowerdev = vlan->lowerdev;
@ -174,6 +174,15 @@ static int macvlan_hard_header(struct sk_buff *skb, struct net_device *dev,
saddr ? : dev->dev_addr, len);
}
static const struct header_ops macvlan_hard_header_ops = {
.create = macvlan_hard_header,
.rebuild = eth_rebuild_header,
.parse = eth_header_parse,
.rebuild = eth_rebuild_header,
.cache = eth_header_cache,
.cache_update = eth_header_cache_update,
};
static int macvlan_open(struct net_device *dev)
{
struct macvlan_dev *vlan = netdev_priv(dev);
@ -295,9 +304,9 @@ static void macvlan_setup(struct net_device *dev)
dev->change_mtu = macvlan_change_mtu;
dev->change_rx_flags = macvlan_change_rx_flags;
dev->set_multicast_list = macvlan_set_multicast_list;
dev->hard_header = macvlan_hard_header;
dev->hard_start_xmit = macvlan_hard_start_xmit;
dev->destructor = free_netdev;
dev->header_ops = &macvlan_hard_header_ops,
dev->ethtool_ops = &macvlan_ethtool_ops;
dev->tx_queue_len = 0;
}