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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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14
drivers/net/hamradio/mkiss.c
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@@ -578,8 +578,9 @@ static int ax_open_dev(struct net_device *dev)
#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
/* Return the frame type ID */
static int ax_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
void *daddr, void *saddr, unsigned len)
static int ax_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type, const void *daddr,
const void *saddr, unsigned len)
{
#ifdef CONFIG_INET
if (type != htons(ETH_P_AX25))
@@ -670,6 +671,11 @@ static struct net_device_stats *ax_get_stats(struct net_device *dev)
return &ax->stats;
}
static const struct header_ops ax_header_ops = {
.create = ax_header,
.rebuild = ax_rebuild_header,
};
static void ax_setup(struct net_device *dev)
{
/* Finish setting up the DEVICE info. */
@@ -683,8 +689,8 @@ static void ax_setup(struct net_device *dev)
dev->addr_len = 0;
dev->type = ARPHRD_AX25;
dev->tx_queue_len = 10;
dev->hard_header = ax_header;
dev->rebuild_header = ax_rebuild_header;
dev->header_ops = &ax_header_ops;
memcpy(dev->broadcast, &ax25_bcast, AX25_ADDR_LEN);
memcpy(dev->dev_addr, &ax25_defaddr, AX25_ADDR_LEN);