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authorStephen Hemminger <shemminger@linux-foundation.org>2007-10-09 01:40:57 -0700
committerDavid S. Miller <davem@sunset.davemloft.net>2007-10-10 16:52:52 -0700
commit3b04ddde02cf1b6f14f2697da5c20eca5715017f (patch)
tree9da1341a5a399a507b5ea6bf5a3047506b8d8f8f /drivers/net/hamradio/6pack.c
parentb95cce3576813ac3f86bafa6b5daaaaf7574b0fe (diff)
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[NET]: Move hardware header operations out of netdevice.
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>
Diffstat (limited to 'drivers/net/hamradio/6pack.c')
-rw-r--r--drivers/net/hamradio/6pack.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 0a847326a5e..ecd156def03 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -288,7 +288,8 @@ static int sp_close(struct net_device *dev)
/* Return the frame type ID */
static int sp_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)
{
#ifdef CONFIG_INET
if (type != htons(ETH_P_AX25))
@@ -323,6 +324,11 @@ static int sp_rebuild_header(struct sk_buff *skb)
#endif
}
+static const struct header_ops sp_header_ops = {
+ .create = sp_header,
+ .rebuild = sp_rebuild_header,
+};
+
static void sp_setup(struct net_device *dev)
{
/* Finish setting up the DEVICE info. */
@@ -331,14 +337,15 @@ static void sp_setup(struct net_device *dev)
dev->open = sp_open_dev;
dev->destructor = free_netdev;
dev->stop = sp_close;
- dev->hard_header = sp_header;
+
dev->get_stats = sp_get_stats;
dev->set_mac_address = sp_set_mac_address;
dev->hard_header_len = AX25_MAX_HEADER_LEN;
+ dev->header_ops = &sp_header_ops;
+
dev->addr_len = AX25_ADDR_LEN;
dev->type = ARPHRD_AX25;
dev->tx_queue_len = 10;
- dev->rebuild_header = sp_rebuild_header;
dev->tx_timeout = NULL;
/* Only activated in AX.25 mode */