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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 /net/rose/rose_dev.c
parentb95cce3576813ac3f86bafa6b5daaaaf7574b0fe (diff)
downloadop-kernel-dev-3b04ddde02cf1b6f14f2697da5c20eca5715017f.zip
op-kernel-dev-3b04ddde02cf1b6f14f2697da5c20eca5715017f.tar.gz
[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 'net/rose/rose_dev.c')
-rw-r--r--net/rose/rose_dev.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/net/rose/rose_dev.c b/net/rose/rose_dev.c
index 8d88795..1b6741f 100644
--- a/net/rose/rose_dev.c
+++ b/net/rose/rose_dev.c
@@ -35,8 +35,9 @@
#include <net/ax25.h>
#include <net/rose.h>
-static int rose_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned len)
+static int rose_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned len)
{
unsigned char *buff = skb_push(skb, ROSE_MIN_LEN + 2);
@@ -148,6 +149,11 @@ static struct net_device_stats *rose_get_stats(struct net_device *dev)
return netdev_priv(dev);
}
+static const struct header_ops rose_header_ops = {
+ .create = rose_header,
+ .rebuild= rose_rebuild_header,
+};
+
void rose_setup(struct net_device *dev)
{
dev->mtu = ROSE_MAX_PACKET_SIZE - 2;
@@ -155,11 +161,10 @@ void rose_setup(struct net_device *dev)
dev->open = rose_open;
dev->stop = rose_close;
- dev->hard_header = rose_header;
+ dev->header_ops = &rose_header_ops;
dev->hard_header_len = AX25_BPQ_HEADER_LEN + AX25_MAX_HEADER_LEN + ROSE_MIN_LEN;
dev->addr_len = ROSE_ADDR_LEN;
dev->type = ARPHRD_ROSE;
- dev->rebuild_header = rose_rebuild_header;
dev->set_mac_address = rose_set_mac_address;
/* New-style flags. */
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