[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>
diff --git a/drivers/net/hamradio/6pack.c b/drivers/net/hamradio/6pack.c
index 0a84732..ecd156d 100644
--- a/drivers/net/hamradio/6pack.c
+++ b/drivers/net/hamradio/6pack.c
@@ -288,7 +288,8 @@
/* 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 @@
#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 @@
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 */
diff --git a/drivers/net/hamradio/baycom_epp.c b/drivers/net/hamradio/baycom_epp.c
index 355c6cf..1a5a75a 100644
--- a/drivers/net/hamradio/baycom_epp.c
+++ b/drivers/net/hamradio/baycom_epp.c
@@ -1159,8 +1159,7 @@
/* Fill in the fields of the device structure */
bc->skb = NULL;
- dev->hard_header = ax25_hard_header;
- dev->rebuild_header = ax25_rebuild_header;
+ dev->header_ops = &ax25_header_ops;
dev->set_mac_address = baycom_set_mac_address;
dev->type = ARPHRD_AX25; /* AF_AX25 device */
diff --git a/drivers/net/hamradio/bpqether.c b/drivers/net/hamradio/bpqether.c
index 4bff23e..5ddf8b0 100644
--- a/drivers/net/hamradio/bpqether.c
+++ b/drivers/net/hamradio/bpqether.c
@@ -483,8 +483,7 @@
dev->flags = 0;
#if defined(CONFIG_AX25) || defined(CONFIG_AX25_MODULE)
- dev->hard_header = ax25_hard_header;
- dev->rebuild_header = ax25_rebuild_header;
+ dev->header_ops = &ax25_header_ops;
#endif
dev->type = ARPHRD_AX25;
diff --git a/drivers/net/hamradio/dmascc.c b/drivers/net/hamradio/dmascc.c
index 205f096..bc02e46 100644
--- a/drivers/net/hamradio/dmascc.c
+++ b/drivers/net/hamradio/dmascc.c
@@ -581,8 +581,7 @@
dev->do_ioctl = scc_ioctl;
dev->hard_start_xmit = scc_send_packet;
dev->get_stats = scc_get_stats;
- dev->hard_header = ax25_hard_header;
- dev->rebuild_header = ax25_rebuild_header;
+ dev->header_ops = &ax25_header_ops;
dev->set_mac_address = scc_set_mac_address;
}
if (register_netdev(info->dev[0])) {
diff --git a/drivers/net/hamradio/hdlcdrv.c b/drivers/net/hamradio/hdlcdrv.c
index b33adc6..ae9629f 100644
--- a/drivers/net/hamradio/hdlcdrv.c
+++ b/drivers/net/hamradio/hdlcdrv.c
@@ -682,8 +682,7 @@
s->skb = NULL;
- dev->hard_header = ax25_hard_header;
- dev->rebuild_header = ax25_rebuild_header;
+ dev->header_ops = &ax25_header_ops;
dev->set_mac_address = hdlcdrv_set_mac_address;
dev->type = ARPHRD_AX25; /* AF_AX25 device */
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index d08fbc3..9e43c47 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -578,8 +578,9 @@
#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 @@
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 @@
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);
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index 39b3b82..353d13e 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -1551,8 +1551,8 @@
dev->stop = scc_net_close;
dev->hard_start_xmit = scc_net_tx;
- dev->hard_header = ax25_hard_header;
- dev->rebuild_header = ax25_rebuild_header;
+ dev->header_ops = &ax25_header_ops;
+
dev->set_mac_address = scc_net_set_mac_address;
dev->get_stats = scc_net_get_stats;
dev->do_ioctl = scc_net_ioctl;
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index 401724d..1c94286 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -1097,8 +1097,7 @@
skb_queue_head_init(&yp->send_queue);
- dev->hard_header = ax25_hard_header;
- dev->rebuild_header = ax25_rebuild_header;
+ dev->header_ops = &ax25_header_ops;
dev->set_mac_address = yam_set_mac_address;