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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
Download Patch File Download Diff File Expand all files Collapse all files

11
net/802/fc.c
View File

@@ -35,7 +35,7 @@
static int fc_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 fch_hdr *fch;
int hdr_len;
@@ -95,11 +95,14 @@ static int fc_rebuild_header(struct sk_buff *skb)
#endif
}
static const struct header_ops fc_header_ops = {
.create = fc_header,
.rebuild = fc_rebuild_header,
};
static void fc_setup(struct net_device *dev)
{
dev->hard_header = fc_header;
dev->rebuild_header = fc_rebuild_header;
dev->header_ops = &fc_header_ops;
dev->type = ARPHRD_IEEE802;
dev->hard_header_len = FC_HLEN;
dev->mtu = 2024;

10
net/802/fddi.c
View File

@@ -52,7 +52,7 @@
static int fddi_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)
{
int hl = FDDI_K_SNAP_HLEN;
struct fddihdr *fddi;
@@ -175,11 +175,15 @@ static int fddi_change_mtu(struct net_device *dev, int new_mtu)
return(0);
}
static const struct header_ops fddi_header_ops = {
.create = fddi_header,
.rebuild = fddi_rebuild_header,
};
static void fddi_setup(struct net_device *dev)
{
dev->change_mtu = fddi_change_mtu;
dev->hard_header = fddi_header;
dev->rebuild_header = fddi_rebuild_header;
dev->header_ops = &fddi_header_ops;
dev->type = ARPHRD_FDDI;
dev->hard_header_len = FDDI_K_SNAP_HLEN+3; /* Assume 802.2 SNAP hdr len + 3 pad bytes */

16
net/802/hippi.c
View File

@@ -45,8 +45,8 @@
*/
static int hippi_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)
{
struct hippi_hdr *hip = (struct hippi_hdr *)skb_push(skb, HIPPI_HLEN);
struct hippi_cb *hcb = (struct hippi_cb *) skb->cb;
@@ -182,16 +182,18 @@ static int hippi_neigh_setup_dev(struct net_device *dev, struct neigh_parms *p)
return 0;
}
static const struct header_ops hippi_header_ops = {
.create = hippi_header,
.rebuild = hippi_rebuild_header,
};
static void hippi_setup(struct net_device *dev)
{
dev->set_multicast_list = NULL;
dev->change_mtu = hippi_change_mtu;
dev->hard_header = hippi_header;
dev->rebuild_header = hippi_rebuild_header;
dev->header_ops = &hippi_header_ops;
dev->set_mac_address = hippi_mac_addr;
dev->hard_header_parse = NULL;
dev->hard_header_cache = NULL;
dev->header_cache_update = NULL;
dev->neigh_setup = hippi_neigh_setup_dev;
/*

15
net/802/tr.c
View File

@@ -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;