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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/802/tr.c
parentb95cce3576813ac3f86bafa6b5daaaaf7574b0fe (diff)
[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/802/tr.c')
-rw-r--r--net/802/tr.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/802/tr.c b/net/802/tr.c
index aa3c2e936ab..a2bd0f2e3af 100644
--- a/net/802/tr.c
+++ b/net/802/tr.c
@@ -100,7 +100,7 @@ static inline unsigned long rif_hash(const unsigned char *addr)
static int tr_header(struct sk_buff *skb, struct net_device *dev,
unsigned short type,
- void *daddr, void *saddr, unsigned len)
+ const void *daddr, const void *saddr, unsigned len)
{
struct trh_hdr *trh;
int hdr_len;
@@ -142,7 +142,7 @@ static int tr_header(struct sk_buff *skb, struct net_device *dev,
if(daddr)
{
memcpy(trh->daddr,daddr,dev->addr_len);
- tr_source_route(skb,trh,dev);
+ tr_source_route(skb, trh, dev);
return(hdr_len);
}
@@ -247,7 +247,8 @@ __be16 tr_type_trans(struct sk_buff *skb, struct net_device *dev)
* We try to do source routing...
*/
-void tr_source_route(struct sk_buff *skb,struct trh_hdr *trh,struct net_device *dev)
+void tr_source_route(struct sk_buff *skb,struct trh_hdr *trh,
+ struct net_device *dev)
{
int slack;
unsigned int hash;
@@ -592,14 +593,18 @@ static const struct file_operations rif_seq_fops = {
#endif
+static const struct header_ops tr_header_ops = {
+ .create = tr_header,
+ .rebuild= tr_rebuild_header,
+};
+
static void tr_setup(struct net_device *dev)
{
/*
* Configure and register
*/
- dev->hard_header = tr_header;
- dev->rebuild_header = tr_rebuild_header;
+ dev->header_ops = &tr_header_ops;
dev->type = ARPHRD_IEEE802_TR;
dev->hard_header_len = TR_HLEN;