[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/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c
index b31f900..dc9dce2 100644
--- a/drivers/ieee1394/eth1394.c
+++ b/drivers/ieee1394/eth1394.c
@@ -159,15 +159,16 @@
static int ether1394_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);
static int ether1394_rebuild_header(struct sk_buff *skb);
static int ether1394_header_parse(const struct sk_buff *skb,
unsigned char *haddr);
-static int ether1394_header_cache(struct neighbour *neigh, struct hh_cache *hh);
+static int ether1394_header_cache(const struct neighbour *neigh,
+ struct hh_cache *hh);
static void ether1394_header_cache_update(struct hh_cache *hh,
- struct net_device *dev,
- unsigned char *haddr);
+ const struct net_device *dev,
+ const unsigned char *haddr);
static int ether1394_tx(struct sk_buff *skb, struct net_device *dev);
static void ether1394_iso(struct hpsb_iso *iso);
@@ -507,6 +508,14 @@
spin_unlock_irqrestore(&priv->lock, flags);
}
+static const struct header_ops ether1394_header_ops = {
+ .create = ether1394_header,
+ .rebuild = ether1394_rebuild_header,
+ .cache = ether1394_header_cache,
+ .cache_update = ether1394_header_cache_update,
+ .parse = ether1394_header_parse,
+};
+
static void ether1394_init_dev(struct net_device *dev)
{
dev->open = ether1394_open;
@@ -516,11 +525,7 @@
dev->tx_timeout = ether1394_tx_timeout;
dev->change_mtu = ether1394_change_mtu;
- dev->hard_header = ether1394_header;
- dev->rebuild_header = ether1394_rebuild_header;
- dev->hard_header_cache = ether1394_header_cache;
- dev->header_cache_update= ether1394_header_cache_update;
- dev->hard_header_parse = ether1394_header_parse;
+ dev->header_ops = ðer1394_header_ops;
SET_ETHTOOL_OPS(dev, ðtool_ops);
@@ -711,8 +716,8 @@
* saddr=NULL means use device source address
* daddr=NULL means leave destination address (eg unresolved arp). */
static int ether1394_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 eth1394hdr *eth =
(struct eth1394hdr *)skb_push(skb, ETH1394_HLEN);
@@ -759,7 +764,8 @@
return ETH1394_ALEN;
}
-static int ether1394_header_cache(struct neighbour *neigh, struct hh_cache *hh)
+static int ether1394_header_cache(const struct neighbour *neigh,
+ struct hh_cache *hh)
{
unsigned short type = hh->hh_type;
struct net_device *dev = neigh->dev;
@@ -778,8 +784,8 @@
/* Called by Address Resolution module to notify changes in address. */
static void ether1394_header_cache_update(struct hh_cache *hh,
- struct net_device *dev,
- unsigned char * haddr)
+ const struct net_device *dev,
+ const unsigned char * haddr)
{
memcpy((u8 *)hh->hh_data + 16 - ETH1394_HLEN, haddr, dev->addr_len);
}
@@ -899,8 +905,8 @@
}
/* Now add the ethernet header. */
- if (dev->hard_header(skb, dev, ntohs(ether_type), &dest_hw, NULL,
- skb->len) >= 0)
+ if (dev_hard_header(skb, dev, ntohs(ether_type), &dest_hw, NULL,
+ skb->len) >= 0)
ret = ether1394_type_trans(skb, dev);
return ret;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index b1c3d6c..2bd76ef 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -780,7 +780,7 @@
static int ipoib_hard_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 ipoib_header *header;
@@ -940,6 +940,10 @@
priv->tx_ring = NULL;
}
+static const struct header_ops ipoib_header_ops = {
+ .create = ipoib_hard_header,
+};
+
static void ipoib_setup(struct net_device *dev)
{
struct ipoib_dev_priv *priv = netdev_priv(dev);
@@ -950,7 +954,7 @@
dev->hard_start_xmit = ipoib_start_xmit;
dev->get_stats = ipoib_get_stats;
dev->tx_timeout = ipoib_timeout;
- dev->hard_header = ipoib_hard_header;
+ dev->header_ops = &ipoib_header_ops;
dev->set_multicast_list = ipoib_set_mcast_list;
dev->neigh_setup = ipoib_neigh_setup_dev;
diff --git a/drivers/isdn/i4l/isdn_net.c b/drivers/isdn/i4l/isdn_net.c
index aa83277..5454660 100644
--- a/drivers/isdn/i4l/isdn_net.c
+++ b/drivers/isdn/i4l/isdn_net.c
@@ -1873,54 +1873,14 @@
return 0;
}
-static int
-my_eth_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned len)
-{
- struct ethhdr *eth = (struct ethhdr *) skb_push(skb, ETH_HLEN);
-
- /*
- * Set the protocol type. For a packet of type ETH_P_802_3 we
- * put the length here instead. It is up to the 802.2 layer to
- * carry protocol information.
- */
-
- if (type != ETH_P_802_3)
- eth->h_proto = htons(type);
- else
- eth->h_proto = htons(len);
-
- /*
- * Set the source hardware address.
- */
- if (saddr)
- memcpy(eth->h_source, saddr, dev->addr_len);
- else
- memcpy(eth->h_source, dev->dev_addr, dev->addr_len);
-
- /*
- * Anyway, the loopback-device should never use this function...
- */
-
- if (dev->flags & (IFF_LOOPBACK | IFF_NOARP)) {
- memset(eth->h_dest, 0, dev->addr_len);
- return ETH_HLEN /*(dev->hard_header_len)*/;
- }
- if (daddr) {
- memcpy(eth->h_dest, daddr, dev->addr_len);
- return ETH_HLEN /*dev->hard_header_len*/;
- }
- return -ETH_HLEN /*dev->hard_header_len*/;
-}
-
/*
* build an header
* depends on encaps that is being used.
*/
-static int
-isdn_net_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned plen)
+static int isdn_net_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned plen)
{
isdn_net_local *lp = dev->priv;
unsigned char *p;
@@ -1928,7 +1888,7 @@
switch (lp->p_encap) {
case ISDN_NET_ENCAP_ETHER:
- len = my_eth_header(skb, dev, type, daddr, saddr, plen);
+ len = eth_header(skb, dev, type, daddr, saddr, plen);
break;
#ifdef CONFIG_ISDN_PPP
case ISDN_NET_ENCAP_SYNCPPP:
@@ -2005,6 +1965,32 @@
return ret;
}
+static int isdn_header_cache(const struct neighbour *neigh, struct hh_cache *hh)
+{
+ const struct net_device *dev = neigh->dev;
+ isdn_net_local *lp = dev->priv;
+
+ if (lp->p_encap == ISDN_NET_ENCAP_ETHER)
+ return eth_header_cache(neigh, hh);
+ return -1;
+}
+
+static void isdn_header_cache_update(struct hh_cache *hh,
+ const struct net_device *dev,
+ const unsigned char *haddr)
+{
+ isdn_net_local *lp = dev->priv;
+ if (lp->p_encap == ISDN_NET_ENCAP_ETHER)
+ return eth_header_cache_update(hh, dev, haddr);
+}
+
+static const struct header_ops isdn_header_ops = {
+ .create = isdn_net_header,
+ .rebuild = isdn_net_rebuild_header,
+ .cache = isdn_header_cache,
+ .cache_update = isdn_header_cache_update,
+};
+
/*
* Interface-setup. (just after registering a new interface)
*/
@@ -2012,18 +1998,12 @@
isdn_net_init(struct net_device *ndev)
{
ushort max_hlhdr_len = 0;
- isdn_net_local *lp = (isdn_net_local *) ndev->priv;
- int drvidx, i;
+ int drvidx;
ether_setup(ndev);
- lp->org_hhc = ndev->hard_header_cache;
- lp->org_hcu = ndev->header_cache_update;
+ ndev->header_ops = NULL;
/* Setup the generic properties */
-
- ndev->hard_header = NULL;
- ndev->hard_header_cache = NULL;
- ndev->header_cache_update = NULL;
ndev->mtu = 1500;
ndev->flags = IFF_NOARP|IFF_POINTOPOINT;
ndev->type = ARPHRD_ETHER;
@@ -2032,9 +2012,6 @@
/* for clients with MPPP maybe higher values better */
ndev->tx_queue_len = 30;
- for (i = 0; i < ETH_ALEN; i++)
- ndev->broadcast[i] = 0xff;
-
/* The ISDN-specific entries in the device structure. */
ndev->open = &isdn_net_open;
ndev->hard_start_xmit = &isdn_net_start_xmit;
@@ -2052,7 +2029,6 @@
ndev->hard_header_len = ETH_HLEN + max_hlhdr_len;
ndev->stop = &isdn_net_close;
ndev->get_stats = &isdn_net_get_stats;
- ndev->rebuild_header = &isdn_net_rebuild_header;
ndev->do_ioctl = NULL;
return 0;
}
@@ -2861,21 +2837,14 @@
}
if (cfg->p_encap != lp->p_encap) {
if (cfg->p_encap == ISDN_NET_ENCAP_RAWIP) {
- p->dev.hard_header = NULL;
- p->dev.hard_header_cache = NULL;
- p->dev.header_cache_update = NULL;
+ p->dev.header_ops = NULL;
p->dev.flags = IFF_NOARP|IFF_POINTOPOINT;
} else {
- p->dev.hard_header = isdn_net_header;
- if (cfg->p_encap == ISDN_NET_ENCAP_ETHER) {
- p->dev.hard_header_cache = lp->org_hhc;
- p->dev.header_cache_update = lp->org_hcu;
+ p->dev.header_ops = &isdn_header_ops;
+ if (cfg->p_encap == ISDN_NET_ENCAP_ETHER)
p->dev.flags = IFF_BROADCAST | IFF_MULTICAST;
- } else {
- p->dev.hard_header_cache = NULL;
- p->dev.header_cache_update = NULL;
+ else
p->dev.flags = IFF_NOARP|IFF_POINTOPOINT;
- }
}
}
lp->p_encap = cfg->p_encap;
@@ -3127,8 +3096,6 @@
((isdn_net_local *) (p->local->master->priv))->slave = p->local->slave;
} else {
/* Unregister only if it's a master-device */
- p->dev.hard_header_cache = p->local->org_hhc;
- p->dev.header_cache_update = p->local->org_hcu;
unregister_netdev(&p->dev);
}
/* Unlink device from chain */
diff --git a/drivers/media/dvb/dvb-core/dvb_net.c b/drivers/media/dvb/dvb-core/dvb_net.c
index bdd7970..06800e5 100644
--- a/drivers/media/dvb/dvb-core/dvb_net.c
+++ b/drivers/media/dvb/dvb-core/dvb_net.c
@@ -1225,10 +1225,17 @@
return &((struct dvb_net_priv*) dev->priv)->stats;
}
+static const struct header_ops dvb_header_ops = {
+ .create = eth_header,
+ .parse = eth_header_parse,
+ .rebuild = eth_rebuild_header,
+};
+
static void dvb_net_setup(struct net_device *dev)
{
ether_setup(dev);
+ dev->header_ops = &dvb_header_ops;
dev->open = dvb_net_open;
dev->stop = dvb_net_stop;
dev->hard_start_xmit = dvb_net_tx;
@@ -1237,7 +1244,7 @@
dev->set_mac_address = dvb_net_set_mac;
dev->mtu = 4096;
dev->mc_count = 0;
- dev->hard_header_cache = NULL;
+
dev->flags |= IFF_NOARP;
}
diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c
index c4b560d..92c3a4c 100644
--- a/drivers/net/appletalk/cops.c
+++ b/drivers/net/appletalk/cops.c
@@ -194,10 +194,6 @@
static void cops_rx (struct net_device *dev);
static int cops_send_packet (struct sk_buff *skb, struct net_device *dev);
static void set_multicast_list (struct net_device *dev);
-static int cops_hard_header (struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr,
- unsigned len);
-
static int cops_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
static int cops_close (struct net_device *dev);
static struct net_device_stats *cops_get_stats (struct net_device *dev);
@@ -331,7 +327,6 @@
dev->base_addr = ioaddr;
lp = netdev_priv(dev);
- memset(lp, 0, sizeof(struct cops_local));
spin_lock_init(&lp->lock);
/* Copy local board variable to lp struct. */
@@ -340,7 +335,7 @@
dev->hard_start_xmit = cops_send_packet;
dev->tx_timeout = cops_timeout;
dev->watchdog_timeo = HZ * 2;
- dev->hard_header = cops_hard_header;
+
dev->get_stats = cops_get_stats;
dev->open = cops_open;
dev->stop = cops_close;
@@ -945,19 +940,6 @@
}
/*
- * Another Dummy function to keep the Appletalk layer happy.
- */
-
-static int cops_hard_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr,
- unsigned len)
-{
- if(cops_debug >= 3)
- printk("%s: cops_hard_header executed. Wow!\n", dev->name);
- return 0;
-}
-
-/*
* System ioctls for the COPS LocalTalk card.
*/
diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c
index cb4744e..6ab2c2d 100644
--- a/drivers/net/appletalk/ltpc.c
+++ b/drivers/net/appletalk/ltpc.c
@@ -870,15 +870,6 @@
/* Actually netatalk needs fixing! */
}
-static int ltpc_hard_header (struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr, void *saddr, unsigned len)
-{
- if(debug & DEBUG_VERBOSE)
- printk("ltpc_hard_header called for device %s\n",
- dev->name);
- return 0;
-}
-
static int ltpc_poll_counter;
static void ltpc_poll(unsigned long l)
@@ -1141,7 +1132,6 @@
/* Fill in the fields of the device structure with ethernet-generic values. */
dev->hard_start_xmit = ltpc_xmit;
- dev->hard_header = ltpc_hard_header;
dev->get_stats = ltpc_get_stats;
/* add the ltpc-specific things */
diff --git a/drivers/net/arcnet/arcnet.c b/drivers/net/arcnet/arcnet.c
index 681e20b..c59c806 100644
--- a/drivers/net/arcnet/arcnet.c
+++ b/drivers/net/arcnet/arcnet.c
@@ -102,8 +102,8 @@
static int arcnet_send_packet(struct sk_buff *skb, struct net_device *dev);
static void arcnet_timeout(struct net_device *dev);
static int arcnet_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);
static int arcnet_rebuild_header(struct sk_buff *skb);
static struct net_device_stats *arcnet_get_stats(struct net_device *dev);
static int go_tx(struct net_device *dev);
@@ -317,11 +317,17 @@
return mtu == 65535 ? XMTU : mtu;
}
+static const struct header_ops arcnet_header_ops = {
+ .create = arcnet_header,
+ .rebuild = arcnet_rebuild_header,
+};
+
/* Setup a struct device for ARCnet. */
static void arcdev_setup(struct net_device *dev)
{
dev->type = ARPHRD_ARCNET;
+ dev->header_ops = &arcnet_header_ops;
dev->hard_header_len = sizeof(struct archdr);
dev->mtu = choose_mtu();
@@ -342,8 +348,6 @@
dev->hard_start_xmit = arcnet_send_packet;
dev->tx_timeout = arcnet_timeout;
dev->get_stats = arcnet_get_stats;
- dev->hard_header = arcnet_header;
- dev->rebuild_header = arcnet_rebuild_header;
}
struct net_device *alloc_arcdev(char *name)
@@ -488,10 +492,10 @@
static int arcnet_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 arcnet_local *lp = dev->priv;
+ const struct arcnet_local *lp = netdev_priv(dev);
uint8_t _daddr, proto_num;
struct ArcProto *proto;
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;
diff --git a/drivers/net/loopback.c b/drivers/net/loopback.c
index f11120b..b6d4ae3 100644
--- a/drivers/net/loopback.c
+++ b/drivers/net/loopback.c
@@ -221,22 +221,17 @@
}
/*
- * The loopback device is special. There is only one instance and
- * it is statically allocated. Don't do this for other devices.
+ * The loopback device is special. There is only one instance.
*/
static void loopback_setup(struct net_device *dev)
{
dev->get_stats = &get_stats;
dev->mtu = (16 * 1024) + 20 + 20 + 12;
dev->hard_start_xmit = loopback_xmit;
- dev->hard_header = eth_header;
- dev->hard_header_cache = eth_header_cache;
- dev->header_cache_update = eth_header_cache_update;
dev->hard_header_len = ETH_HLEN; /* 14 */
dev->addr_len = ETH_ALEN; /* 6 */
dev->tx_queue_len = 0;
dev->type = ARPHRD_LOOPBACK; /* 0x0001*/
- dev->rebuild_header = eth_rebuild_header;
dev->flags = IFF_LOOPBACK;
dev->features = NETIF_F_SG | NETIF_F_FRAGLIST
#ifdef LOOPBACK_TSO
@@ -247,6 +242,7 @@
| NETIF_F_LLTX
| NETIF_F_NETNS_LOCAL,
dev->ethtool_ops = &loopback_ethtool_ops;
+ dev->header_ops = ð_header_ops;
dev->init = loopback_dev_init;
dev->destructor = loopback_dev_free;
}
diff --git a/drivers/net/macvlan.c b/drivers/net/macvlan.c
index a22087c..b7c81c8 100644
--- a/drivers/net/macvlan.c
+++ b/drivers/net/macvlan.c
@@ -164,8 +164,8 @@
}
static int macvlan_hard_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)
{
const struct macvlan_dev *vlan = netdev_priv(dev);
struct net_device *lowerdev = vlan->lowerdev;
@@ -174,6 +174,15 @@
saddr ? : dev->dev_addr, len);
}
+static const struct header_ops macvlan_hard_header_ops = {
+ .create = macvlan_hard_header,
+ .rebuild = eth_rebuild_header,
+ .parse = eth_header_parse,
+ .rebuild = eth_rebuild_header,
+ .cache = eth_header_cache,
+ .cache_update = eth_header_cache_update,
+};
+
static int macvlan_open(struct net_device *dev)
{
struct macvlan_dev *vlan = netdev_priv(dev);
@@ -295,9 +304,9 @@
dev->change_mtu = macvlan_change_mtu;
dev->change_rx_flags = macvlan_change_rx_flags;
dev->set_multicast_list = macvlan_set_multicast_list;
- dev->hard_header = macvlan_hard_header;
dev->hard_start_xmit = macvlan_hard_start_xmit;
dev->destructor = free_netdev;
+ dev->header_ops = &macvlan_hard_header_ops,
dev->ethtool_ops = &macvlan_ethtool_ops;
dev->tx_queue_len = 0;
}
diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c
index d68ee51..8d29319 100644
--- a/drivers/net/myri_sbus.c
+++ b/drivers/net/myri_sbus.c
@@ -676,8 +676,9 @@
* saddr=NULL means use device source address
* daddr=NULL means leave destination address (eg unresolved arp)
*/
-static int myri_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned len)
+static int myri_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, const void *daddr,
+ const void *saddr, unsigned len)
{
struct ethhdr *eth = (struct ethhdr *) skb_push(skb, ETH_HLEN);
unsigned char *pad = (unsigned char *) skb_push(skb, MYRI_PAD_LEN);
@@ -759,18 +760,18 @@
return 0;
}
-int myri_header_cache(struct neighbour *neigh, struct hh_cache *hh)
+static int myri_header_cache(const struct neighbour *neigh, struct hh_cache *hh)
{
unsigned short type = hh->hh_type;
unsigned char *pad;
struct ethhdr *eth;
- struct net_device *dev = neigh->dev;
+ const struct net_device *dev = neigh->dev;
pad = ((unsigned char *) hh->hh_data) +
HH_DATA_OFF(sizeof(*eth) + MYRI_PAD_LEN);
eth = (struct ethhdr *) (pad + MYRI_PAD_LEN);
- if (type == __constant_htons(ETH_P_802_3))
+ if (type == htons(ETH_P_802_3))
return -1;
/* Refill MyriNet padding identifiers, this is just being anal. */
@@ -786,7 +787,9 @@
/* Called by Address Resolution module to notify changes in address. */
-void myri_header_cache_update(struct hh_cache *hh, struct net_device *dev, unsigned char * haddr)
+void myri_header_cache_update(struct hh_cache *hh,
+ const struct net_device *dev,
+ const unsigned char * haddr)
{
memcpy(((u8*)hh->hh_data) + HH_DATA_OFF(sizeof(struct ethhdr)),
haddr, dev->addr_len);
@@ -881,6 +884,13 @@
}
#endif
+static const struct header_ops myri_header_ops = {
+ .create = myri_header,
+ .rebuild = myri_rebuild_header,
+ .cache = myri_header_cache,
+ .cache_update = myri_header_cache_update,
+};
+
static int __devinit myri_ether_init(struct sbus_dev *sdev)
{
static int num;
@@ -1065,11 +1075,9 @@
dev->mtu = MYRINET_MTU;
dev->change_mtu = myri_change_mtu;
- dev->hard_header = myri_header;
- dev->rebuild_header = myri_rebuild_header;
+ dev->header_ops = &myri_header_ops;
+
dev->hard_header_len = (ETH_HLEN + MYRI_PAD_LEN);
- dev->hard_header_cache = myri_header_cache;
- dev->header_cache_update= myri_header_cache_update;
/* Load code onto the LANai. */
DET(("Loading LANAI firmware\n"));
diff --git a/drivers/net/plip.c b/drivers/net/plip.c
index c17d9ac..b5e9981 100644
--- a/drivers/net/plip.c
+++ b/drivers/net/plip.c
@@ -148,9 +148,9 @@
/* Functions for DEV methods */
static int plip_tx_packet(struct sk_buff *skb, struct net_device *dev);
static int plip_hard_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr,
- void *saddr, unsigned len);
-static int plip_hard_header_cache(struct neighbour *neigh,
+ unsigned short type, const void *daddr,
+ const void *saddr, unsigned len);
+static int plip_hard_header_cache(const struct neighbour *neigh,
struct hh_cache *hh);
static int plip_open(struct net_device *dev);
static int plip_close(struct net_device *dev);
@@ -219,11 +219,6 @@
int is_deferred;
int port_owner;
int should_relinquish;
- int (*orig_hard_header)(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr,
- void *saddr, unsigned len);
- int (*orig_hard_header_cache)(struct neighbour *neigh,
- struct hh_cache *hh);
spinlock_t lock;
atomic_t kill_timer;
struct semaphore killed_timer_sem;
@@ -265,6 +260,11 @@
return port->ops->read_status (port);
}
+static const struct header_ops plip_header_ops = {
+ .create = plip_hard_header,
+ .cache = plip_hard_header_cache,
+};
+
/* Entry point of PLIP driver.
Probe the hardware, and register/initialize the driver.
@@ -284,17 +284,12 @@
dev->open = plip_open;
dev->stop = plip_close;
dev->do_ioctl = plip_ioctl;
- dev->header_cache_update = NULL;
+
dev->tx_queue_len = 10;
dev->flags = IFF_POINTOPOINT|IFF_NOARP;
memset(dev->dev_addr, 0xfc, ETH_ALEN);
- /* Set the private structure */
- nl->orig_hard_header = dev->hard_header;
- dev->hard_header = plip_hard_header;
-
- nl->orig_hard_header_cache = dev->hard_header_cache;
- dev->hard_header_cache = plip_hard_header_cache;
+ dev->header_ops = &plip_header_ops;
nl->port_owner = 0;
@@ -993,14 +988,14 @@
}
static void
-plip_rewrite_address(struct net_device *dev, struct ethhdr *eth)
+plip_rewrite_address(const struct net_device *dev, struct ethhdr *eth)
{
- struct in_device *in_dev;
+ const struct in_device *in_dev = dev->ip_ptr;
- if ((in_dev=dev->ip_ptr) != NULL) {
+ if (in_dev) {
/* Any address will do - we take the first */
- struct in_ifaddr *ifa=in_dev->ifa_list;
- if (ifa != NULL) {
+ const struct in_ifaddr *ifa = in_dev->ifa_list;
+ if (ifa) {
memcpy(eth->h_source, dev->dev_addr, 6);
memset(eth->h_dest, 0xfc, 2);
memcpy(eth->h_dest+2, &ifa->ifa_address, 4);
@@ -1010,26 +1005,25 @@
static int
plip_hard_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 net_local *nl = netdev_priv(dev);
int ret;
- if ((ret = nl->orig_hard_header(skb, dev, type, daddr, saddr, len)) >= 0)
+ ret = eth_header(skb, dev, type, daddr, saddr, len);
+ if (ret >= 0)
plip_rewrite_address (dev, (struct ethhdr *)skb->data);
return ret;
}
-int plip_hard_header_cache(struct neighbour *neigh,
+int plip_hard_header_cache(const struct neighbour *neigh,
struct hh_cache *hh)
{
- struct net_local *nl = neigh->dev->priv;
int ret;
- if ((ret = nl->orig_hard_header_cache(neigh, hh)) == 0)
- {
+ ret = eth_header_cache(neigh, hh);
+ if (ret == 0) {
struct ethhdr *eth;
eth = (struct ethhdr*)(((u8*)hh->hh_data) +
diff --git a/drivers/net/shaper.c b/drivers/net/shaper.c
index 315feba..228f650 100644
--- a/drivers/net/shaper.c
+++ b/drivers/net/shaper.c
@@ -331,15 +331,16 @@
*/
static int shaper_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 shaper *sh=dev->priv;
int v;
if(sh_debug)
printk("Shaper header\n");
- skb->dev=sh->dev;
- v=sh->hard_header(skb,sh->dev,type,daddr,saddr,len);
- skb->dev=dev;
+ skb->dev = sh->dev;
+ v = dev_hard_header(skb, sh->dev, type, daddr, saddr, len);
+ skb->dev = dev;
return v;
}
@@ -351,7 +352,7 @@
if(sh_debug)
printk("Shaper rebuild header\n");
skb->dev=sh->dev;
- v=sh->rebuild_header(skb);
+ v = sh->dev->header_ops->rebuild(skb);
skb->dev=dev;
return v;
}
@@ -415,51 +416,17 @@
#endif
+static const struct header_ops shaper_ops = {
+ .create = shaper_header,
+ .rebuild = shaper_rebuild_header,
+};
+
static int shaper_attach(struct net_device *shdev, struct shaper *sh, struct net_device *dev)
{
sh->dev = dev;
- sh->hard_start_xmit=dev->hard_start_xmit;
sh->get_stats=dev->get_stats;
- if(dev->hard_header)
- {
- sh->hard_header=dev->hard_header;
- shdev->hard_header = shaper_header;
- }
- else
- shdev->hard_header = NULL;
- if(dev->rebuild_header)
- {
- sh->rebuild_header = dev->rebuild_header;
- shdev->rebuild_header = shaper_rebuild_header;
- }
- else
- shdev->rebuild_header = NULL;
-
-#if 0
- if(dev->hard_header_cache)
- {
- sh->hard_header_cache = dev->hard_header_cache;
- shdev->hard_header_cache= shaper_cache;
- }
- else
- {
- shdev->hard_header_cache= NULL;
- }
-
- if(dev->header_cache_update)
- {
- sh->header_cache_update = dev->header_cache_update;
- shdev->header_cache_update = shaper_cache_update;
- }
- else
- shdev->header_cache_update= NULL;
-#else
- shdev->header_cache_update = NULL;
- shdev->hard_header_cache = NULL;
-#endif
shdev->neigh_setup = shaper_neigh_setup_dev;
-
shdev->hard_header_len=dev->hard_header_len;
shdev->type=dev->type;
shdev->addr_len=dev->addr_len;
@@ -542,12 +509,6 @@
* Handlers for when we attach to a device.
*/
- dev->hard_header = shaper_header;
- dev->rebuild_header = shaper_rebuild_header;
-#if 0
- dev->hard_header_cache = shaper_cache;
- dev->header_cache_update= shaper_cache_update;
-#endif
dev->neigh_setup = shaper_neigh_setup_dev;
dev->do_ioctl = shaper_ioctl;
dev->hard_header_len = 0;
diff --git a/drivers/net/skfp/skfddi.c b/drivers/net/skfp/skfddi.c
index ca50870..7cf9b9f 100644
--- a/drivers/net/skfp/skfddi.c
+++ b/drivers/net/skfp/skfddi.c
@@ -260,7 +260,6 @@
dev->set_multicast_list = &skfp_ctl_set_multicast_list;
dev->set_mac_address = &skfp_ctl_set_mac_address;
dev->do_ioctl = &skfp_ioctl;
- dev->header_cache_update = NULL; /* not supported */
SET_NETDEV_DEV(dev, &pdev->dev);
diff --git a/drivers/net/wan/cycx_x25.c b/drivers/net/wan/cycx_x25.c
index 46e0531..8a1778c 100644
--- a/drivers/net/wan/cycx_x25.c
+++ b/drivers/net/wan/cycx_x25.c
@@ -131,14 +131,15 @@
cycx_wan_del_if(struct wan_device *wandev, struct net_device *dev);
/* Network device interface */
-static int cycx_netdevice_init(struct net_device *dev),
- cycx_netdevice_open(struct net_device *dev),
- cycx_netdevice_stop(struct net_device *dev),
- cycx_netdevice_hard_header(struct sk_buff *skb,
- struct net_device *dev, u16 type,
- void *daddr, void *saddr, unsigned len),
- cycx_netdevice_rebuild_header(struct sk_buff *skb),
- cycx_netdevice_hard_start_xmit(struct sk_buff *skb,
+static int cycx_netdevice_init(struct net_device *dev);
+static int cycx_netdevice_open(struct net_device *dev);
+static int cycx_netdevice_stop(struct net_device *dev);
+static int cycx_netdevice_hard_header(struct sk_buff *skb,
+ struct net_device *dev, u16 type,
+ const void *daddr, const void *saddr,
+ unsigned len);
+static int cycx_netdevice_rebuild_header(struct sk_buff *skb);
+static int cycx_netdevice_hard_start_xmit(struct sk_buff *skb,
struct net_device *dev);
static struct net_device_stats *
@@ -468,7 +469,14 @@
return 0;
}
+
/* Network Device Interface */
+
+static const struct header_ops cycx_header_ops = {
+ .create = cycx_netdevice_hard_header,
+ .rebuild = cycx_netdevice_rebuild_header,
+};
+
/* Initialize Linux network interface.
*
* This routine is called only once for each interface, during Linux network
@@ -483,8 +491,8 @@
/* Initialize device driver entry points */
dev->open = cycx_netdevice_open;
dev->stop = cycx_netdevice_stop;
- dev->hard_header = cycx_netdevice_hard_header;
- dev->rebuild_header = cycx_netdevice_rebuild_header;
+ dev->header_ops = &cycx_header_ops;
+
dev->hard_start_xmit = cycx_netdevice_hard_start_xmit;
dev->get_stats = cycx_netdevice_get_stats;
@@ -554,7 +562,8 @@
* Return: media header length. */
static int cycx_netdevice_hard_header(struct sk_buff *skb,
struct net_device *dev, u16 type,
- void *daddr, void *saddr, unsigned len)
+ const void *daddr, const void *saddr,
+ unsigned len)
{
skb->protocol = type;
diff --git a/drivers/net/wan/dlci.c b/drivers/net/wan/dlci.c
index bc12810..96b2324 100644
--- a/drivers/net/wan/dlci.c
+++ b/drivers/net/wan/dlci.c
@@ -66,8 +66,8 @@
*/
static int dlci_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 frhdr hdr;
struct dlci_local *dlp;
@@ -485,6 +485,10 @@
return(err);
}
+static const struct header_ops dlci_header_ops = {
+ .create = dlci_header,
+};
+
static void dlci_setup(struct net_device *dev)
{
struct dlci_local *dlp = dev->priv;
@@ -494,7 +498,7 @@
dev->stop = dlci_close;
dev->do_ioctl = dlci_dev_ioctl;
dev->hard_start_xmit = dlci_transmit;
- dev->hard_header = dlci_header;
+ dev->header_ops = &dlci_header_ops;
dev->get_stats = dlci_get_stats;
dev->change_mtu = dlci_change_mtu;
dev->destructor = free_netdev;
diff --git a/drivers/net/wan/hdlc.c b/drivers/net/wan/hdlc.c
index ee23b91..d553e6f 100644
--- a/drivers/net/wan/hdlc.c
+++ b/drivers/net/wan/hdlc.c
@@ -232,6 +232,8 @@
return -EINVAL;
}
+static const struct header_ops hdlc_null_ops;
+
static void hdlc_setup_dev(struct net_device *dev)
{
/* Re-init all variables changed by HDLC protocol drivers,
@@ -243,13 +245,9 @@
dev->type = ARPHRD_RAWHDLC;
dev->hard_header_len = 16;
dev->addr_len = 0;
- dev->hard_header = NULL;
- dev->rebuild_header = NULL;
- dev->set_mac_address = NULL;
- dev->hard_header_cache = NULL;
- dev->header_cache_update = NULL;
+ dev->header_ops = &hdlc_null_ops;
+
dev->change_mtu = hdlc_change_mtu;
- dev->hard_header_parse = NULL;
}
static void hdlc_setup(struct net_device *dev)
diff --git a/drivers/net/wan/hdlc_cisco.c b/drivers/net/wan/hdlc_cisco.c
index 9ec6cf2..038a6e7 100644
--- a/drivers/net/wan/hdlc_cisco.c
+++ b/drivers/net/wan/hdlc_cisco.c
@@ -74,7 +74,7 @@
static int cisco_hard_header(struct sk_buff *skb, struct net_device *dev,
- u16 type, void *daddr, void *saddr,
+ u16 type, const void *daddr, const void *saddr,
unsigned int len)
{
struct hdlc_header *data;
@@ -309,7 +309,6 @@
}
-
static struct hdlc_proto proto = {
.start = cisco_start,
.stop = cisco_stop,
@@ -317,7 +316,10 @@
.ioctl = cisco_ioctl,
.module = THIS_MODULE,
};
-
+
+static const struct header_ops cisco_header_ops = {
+ .create = cisco_hard_header,
+};
static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr)
{
@@ -365,7 +367,7 @@
memcpy(&state(hdlc)->settings, &new_settings, size);
dev->hard_start_xmit = hdlc->xmit;
- dev->hard_header = cisco_hard_header;
+ dev->header_ops = &cisco_header_ops;
dev->type = ARPHRD_CISCO;
netif_dormant_on(dev);
return 0;
diff --git a/drivers/net/wan/hdlc_ppp.c b/drivers/net/wan/hdlc_ppp.c
index 4591437..3caeb52 100644
--- a/drivers/net/wan/hdlc_ppp.c
+++ b/drivers/net/wan/hdlc_ppp.c
@@ -73,7 +73,7 @@
sppp_close(dev);
sppp_detach(dev);
- dev->rebuild_header = NULL;
+
dev->change_mtu = state(hdlc)->old_change_mtu;
dev->mtu = HDLC_MAX_MTU;
dev->hard_header_len = 16;
diff --git a/drivers/net/wan/lmc/lmc_proto.c b/drivers/net/wan/lmc/lmc_proto.c
index 31e17995..426c067 100644
--- a/drivers/net/wan/lmc/lmc_proto.c
+++ b/drivers/net/wan/lmc/lmc_proto.c
@@ -111,7 +111,7 @@
* They set a few basics because they don't use sync_ppp
*/
dev->flags |= IFF_POINTOPOINT;
- dev->hard_header = NULL;
+
dev->hard_header_len = 0;
dev->addr_len = 0;
}
diff --git a/drivers/net/wan/syncppp.c b/drivers/net/wan/syncppp.c
index 5c71af6..232ecba 100644
--- a/drivers/net/wan/syncppp.c
+++ b/drivers/net/wan/syncppp.c
@@ -359,8 +359,10 @@
* Handle transmit packets.
*/
-static int sppp_hard_header(struct sk_buff *skb, struct net_device *dev, __u16 type,
- void *daddr, void *saddr, unsigned int len)
+static int sppp_hard_header(struct sk_buff *skb,
+ struct net_device *dev, __u16 type,
+ const void *daddr, const void *saddr,
+ unsigned int len)
{
struct sppp *sp = (struct sppp *)sppp_of(dev);
struct ppp_header *h;
@@ -392,10 +394,9 @@
return sizeof(struct ppp_header);
}
-static int sppp_rebuild_header(struct sk_buff *skb)
-{
- return 0;
-}
+static const struct header_ops sppp_header_ops = {
+ .create = sppp_hard_header,
+};
/*
* Send keepalive packets, every 10 seconds.
@@ -1098,8 +1099,8 @@
* hard_start_xmit.
*/
- dev->hard_header = sppp_hard_header;
- dev->rebuild_header = sppp_rebuild_header;
+ dev->header_ops = &sppp_header_ops;
+
dev->tx_queue_len = 10;
dev->type = ARPHRD_HDLC;
dev->addr_len = 0;
@@ -1115,8 +1116,6 @@
dev->stop = sppp_close;
#endif
dev->change_mtu = sppp_change_mtu;
- dev->hard_header_cache = NULL;
- dev->header_cache_update = NULL;
dev->flags = IFF_MULTICAST|IFF_POINTOPOINT|IFF_NOARP;
}
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index cd03a61..074055e 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2696,9 +2696,13 @@
return rc;
}
+static const struct header_ops airo_header_ops = {
+ .parse = wll_header_parse,
+};
+
static void wifi_setup(struct net_device *dev)
{
- dev->hard_header_parse = wll_header_parse;
+ dev->header_ops = &airo_header_ops;
dev->hard_start_xmit = &airo_start_xmit11;
dev->get_stats = &airo_get_stats;
dev->set_mac_address = &airo_set_mac_address;
diff --git a/drivers/net/wireless/hostap/hostap.h b/drivers/net/wireless/hostap/hostap.h
index ef37a75..951df83 100644
--- a/drivers/net/wireless/hostap/hostap.h
+++ b/drivers/net/wireless/hostap/hostap.h
@@ -30,8 +30,7 @@
const struct hfa384x_rx_frame *rx);
void hostap_dump_tx_header(const char *name,
const struct hfa384x_tx_frame *tx);
-int hostap_80211_header_parse(struct sk_buff *skb, unsigned char *haddr);
-int hostap_80211_prism_header_parse(struct sk_buff *skb, unsigned char *haddr);
+extern const struct header_ops hostap_80211_ops;
int hostap_80211_get_hdrlen(u16 fc);
struct net_device_stats *hostap_get_stats(struct net_device *dev);
void hostap_setup_dev(struct net_device *dev, local_info_t *local,
diff --git a/drivers/net/wireless/hostap/hostap_hw.c b/drivers/net/wireless/hostap/hostap_hw.c
index 7fa7ab0..b20bb01 100644
--- a/drivers/net/wireless/hostap/hostap_hw.c
+++ b/drivers/net/wireless/hostap/hostap_hw.c
@@ -3258,11 +3258,10 @@
INIT_LIST_HEAD(&local->bss_list);
hostap_setup_dev(dev, local, 1);
- local->saved_eth_header_parse = dev->hard_header_parse;
dev->hard_start_xmit = hostap_master_start_xmit;
dev->type = ARPHRD_IEEE80211;
- dev->hard_header_parse = hostap_80211_header_parse;
+ dev->header_ops = &hostap_80211_ops;
rtnl_lock();
ret = dev_alloc_name(dev, "wifi%d");
diff --git a/drivers/net/wireless/hostap/hostap_ioctl.c b/drivers/net/wireless/hostap/hostap_ioctl.c
index 7036ecf..40f516d 100644
--- a/drivers/net/wireless/hostap/hostap_ioctl.c
+++ b/drivers/net/wireless/hostap/hostap_ioctl.c
@@ -897,11 +897,8 @@
if (local->monitor_type == PRISM2_MONITOR_PRISM ||
local->monitor_type == PRISM2_MONITOR_CAPHDR) {
dev->type = ARPHRD_IEEE80211_PRISM;
- dev->hard_header_parse =
- hostap_80211_prism_header_parse;
} else {
dev->type = ARPHRD_IEEE80211;
- dev->hard_header_parse = hostap_80211_header_parse;
}
}
@@ -1141,7 +1138,7 @@
printk(KERN_DEBUG "%s: Disabling monitor mode\n", dev->name);
dev->type = ARPHRD_ETHER;
- dev->hard_header_parse = local->saved_eth_header_parse;
+
if (local->func->cmd(dev, HFA384X_CMDCODE_TEST |
(HFA384X_TEST_STOP << 8),
0, NULL, NULL))
diff --git a/drivers/net/wireless/hostap/hostap_main.c b/drivers/net/wireless/hostap/hostap_main.c
index 4cb09d8..b75cf92 100644
--- a/drivers/net/wireless/hostap/hostap_main.c
+++ b/drivers/net/wireless/hostap/hostap_main.c
@@ -594,24 +594,27 @@
}
-int hostap_80211_header_parse(struct sk_buff *skb, unsigned char *haddr)
+int hostap_80211_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{
- memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
- return ETH_ALEN;
-}
+ struct hostap_interface *iface = netdev_priv(skb->dev);
+ local_info_t *local = iface->local;
+ if (local->monitor_type == PRISM2_MONITOR_PRISM ||
+ local->monitor_type == PRISM2_MONITOR_CAPHDR) {
+ const unsigned char *mac = skb_mac_header(skb);
-int hostap_80211_prism_header_parse(struct sk_buff *skb, unsigned char *haddr)
-{
- const unsigned char *mac = skb_mac_header(skb);
+ if (*(u32 *)mac == LWNG_CAP_DID_BASE) {
+ memcpy(haddr,
+ mac + sizeof(struct linux_wlan_ng_prism_hdr) + 10,
+ ETH_ALEN); /* addr2 */
+ } else { /* (*(u32 *)mac == htonl(LWNG_CAPHDR_VERSION)) */
+ memcpy(haddr,
+ mac + sizeof(struct linux_wlan_ng_cap_hdr) + 10,
+ ETH_ALEN); /* addr2 */
+ }
+ } else
+ memcpy(haddr, skb_mac_header(skb) + 10, ETH_ALEN); /* addr2 */
- if (*(u32 *)mac == LWNG_CAP_DID_BASE) {
- memcpy(haddr, mac + sizeof(struct linux_wlan_ng_prism_hdr) + 10,
- ETH_ALEN); /* addr2 */
- } else { /* (*(u32 *)mac == htonl(LWNG_CAPHDR_VERSION)) */
- memcpy(haddr, mac + sizeof(struct linux_wlan_ng_cap_hdr) + 10,
- ETH_ALEN); /* addr2 */
- }
return ETH_ALEN;
}
@@ -843,6 +846,15 @@
local->func->schedule_reset(local);
}
+const struct header_ops hostap_80211_ops = {
+ .create = eth_header,
+ .rebuild = eth_rebuild_header,
+ .cache = eth_header_cache,
+ .cache_update = eth_header_cache_update,
+
+ .parse = hostap_80211_header_parse,
+};
+EXPORT_SYMBOL(hostap_80211_ops);
void hostap_setup_dev(struct net_device *dev, local_info_t *local,
int main_dev)
@@ -883,7 +895,6 @@
netif_stop_queue(dev);
}
-
static int hostap_enable_hostapd(local_info_t *local, int rtnl_locked)
{
struct net_device *dev = local->dev;
@@ -901,7 +912,7 @@
local->apdev->hard_start_xmit = hostap_mgmt_start_xmit;
local->apdev->type = ARPHRD_IEEE80211;
- local->apdev->hard_header_parse = hostap_80211_header_parse;
+ local->apdev->header_ops = &hostap_80211_ops;
return 0;
}
diff --git a/drivers/net/wireless/hostap/hostap_wlan.h b/drivers/net/wireless/hostap/hostap_wlan.h
index a42325c1..c27b2c1 100644
--- a/drivers/net/wireless/hostap/hostap_wlan.h
+++ b/drivers/net/wireless/hostap/hostap_wlan.h
@@ -736,8 +736,6 @@
PRISM2_MONITOR_80211 = 0, PRISM2_MONITOR_PRISM = 1,
PRISM2_MONITOR_CAPHDR = 2
} monitor_type;
- int (*saved_eth_header_parse)(struct sk_buff *skb,
- unsigned char *haddr);
int monitor_allow_fcserr;
int hostapd; /* whether user space daemon, hostapd, is used for AP
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index 404cd15..4bd14b3 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -1631,8 +1631,8 @@
*/
static int strip_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 strip *strip_info = netdev_priv(dev);
STRIP_Header *header = (STRIP_Header *) skb_push(skb, sizeof(STRIP_Header));
@@ -2497,6 +2497,11 @@
return 0;
}
+static const struct header_ops strip_header_ops = {
+ .create = strip_header,
+ .rebuild = strip_rebuild_header,
+};
+
/*
* This routine is called by DDI when the
* (dynamically assigned) device is registered
@@ -2531,8 +2536,8 @@
dev->open = strip_open_low;
dev->stop = strip_close_low;
dev->hard_start_xmit = strip_xmit;
- dev->hard_header = strip_header;
- dev->rebuild_header = strip_rebuild_header;
+ dev->header_ops = &strip_header_ops;
+
dev->set_mac_address = strip_set_mac_address;
dev->get_stats = strip_get_stats;
dev->change_mtu = strip_change_mtu;
diff --git a/drivers/s390/net/qeth.h b/drivers/s390/net/qeth.h
index 6d49598..8c6b72d 100644
--- a/drivers/s390/net/qeth.h
+++ b/drivers/s390/net/qeth.h
@@ -833,8 +833,7 @@
struct qeth_qdio_info qdio;
struct qeth_perf_stats perf_stats;
int use_hard_stop;
- int (*orig_hard_header)(struct sk_buff *,struct net_device *,
- unsigned short,void *,void *,unsigned);
+ const struct header_ops *orig_header_ops;
struct qeth_osn_info osn_info;
atomic_t force_alloc_skb;
};
diff --git a/drivers/s390/net/qeth_main.c b/drivers/s390/net/qeth_main.c
index 65225b3..778ddfb 100644
--- a/drivers/s390/net/qeth_main.c
+++ b/drivers/s390/net/qeth_main.c
@@ -160,6 +160,9 @@
static void
qeth_setadp_promisc_mode(struct qeth_card *);
+static int
+qeth_hard_header_parse(const struct sk_buff *skb, unsigned char *haddr);
+
static void
qeth_notify_processes(void)
{
@@ -3787,8 +3790,8 @@
/*hard_header fake function; used in case fake_ll is set */
static int
qeth_fake_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)
{
if(dev->type == ARPHRD_IEEE802_TR){
struct trh_hdr *hdr;
@@ -3811,6 +3814,11 @@
}
}
+static const struct header_ops qeth_fake_ops = {
+ .create = qeth_fake_header,
+ .parse = qeth_hard_header_parse,
+};
+
static int
qeth_send_packet(struct qeth_card *, struct sk_buff *);
@@ -4649,7 +4657,7 @@
[qeth_get_priority_queue(card, skb, ipv, cast_type)];
if (!card->options.layer2) {
ipv = qeth_get_ip_version(skb);
- if ((card->dev->hard_header == qeth_fake_header) && ipv) {
+ if ((card->dev->header_ops == &qeth_fake_ops) && ipv) {
new_skb = qeth_pskb_unshare(skb, GFP_ATOMIC);
if (!new_skb)
return -ENOMEM;
@@ -6566,6 +6574,9 @@
const struct qeth_card *card;
const struct ethhdr *eth;
+ if (dev->type != ARPHRD_IEEE802_TR)
+ return 0;
+
card = qeth_get_card_from_dev(skb->dev);
if (card->options.layer2)
goto haveheader;
@@ -6596,6 +6607,10 @@
return ETH_ALEN;
}
+static const struct header_ops qeth_null_ops = {
+ .parse = qeth_hard_header_parse,
+};
+
static int
qeth_netdev_init(struct net_device *dev)
{
@@ -6620,12 +6635,8 @@
dev->vlan_rx_kill_vid = qeth_vlan_rx_kill_vid;
dev->vlan_rx_add_vid = qeth_vlan_rx_add_vid;
#endif
- if (qeth_get_netdev_flags(card) & IFF_NOARP) {
- dev->rebuild_header = NULL;
- dev->hard_header = NULL;
- dev->header_cache_update = NULL;
- dev->hard_header_cache = NULL;
- }
+ dev->header_ops = &qeth_null_ops;
+
#ifdef CONFIG_QETH_IPV6
/*IPv6 address autoconfiguration stuff*/
if (!(card->info.unique_id & UNIQUE_ID_NOT_BY_CARD))
@@ -6633,11 +6644,8 @@
#endif
if (card->options.fake_ll &&
(qeth_get_netdev_flags(card) & IFF_NOARP))
- dev->hard_header = qeth_fake_header;
- if (dev->type == ARPHRD_IEEE802_TR)
- dev->hard_header_parse = NULL;
- else
- dev->hard_header_parse = qeth_hard_header_parse;
+ dev->header_ops = &qeth_fake_ops;
+
dev->set_mac_address = qeth_layer2_set_mac_address;
dev->flags |= qeth_get_netdev_flags(card);
if ((card->options.fake_broadcast) ||
@@ -6740,10 +6748,10 @@
}
/*network device will be recovered*/
if (card->dev) {
- card->dev->hard_header = card->orig_hard_header;
+ card->dev->header_ops = card->orig_header_ops;
if (card->options.fake_ll &&
(qeth_get_netdev_flags(card) & IFF_NOARP))
- card->dev->hard_header = qeth_fake_header;
+ card->dev->header_ops = &qeth_fake_ops;
return 0;
}
/* at first set_online allocate netdev */
@@ -6757,7 +6765,7 @@
goto out;
}
card->dev->priv = card;
- card->orig_hard_header = card->dev->hard_header;
+ card->orig_header_ops = card->dev->header_ops;
card->dev->type = qeth_get_arphdr_type(card->info.type,
card->info.link_type);
card->dev->init = qeth_netdev_init;
@@ -8308,7 +8316,7 @@
if (card == NULL)
goto out;
if((card->options.layer2) ||
- (card->dev->hard_header == qeth_fake_header))
+ (card->dev->header_ops == &qeth_fake_ops))
goto out;
rcu_read_lock();
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 6cdb973..b7558ec 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -29,15 +29,19 @@
#include <linux/random.h>
#ifdef __KERNEL__
-extern int eth_header(struct sk_buff *skb, struct net_device *dev,
- unsigned short type, void *daddr,
- void *saddr, unsigned len);
-extern int eth_rebuild_header(struct sk_buff *skb);
extern __be16 eth_type_trans(struct sk_buff *skb, struct net_device *dev);
-extern void eth_header_cache_update(struct hh_cache *hh, struct net_device *dev,
- unsigned char * haddr);
-extern int eth_header_cache(struct neighbour *neigh,
- struct hh_cache *hh);
+extern const struct header_ops eth_header_ops;
+
+extern int eth_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned len);
+extern int eth_rebuild_header(struct sk_buff *skb);
+extern int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
+extern int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh);
+extern void eth_header_cache_update(struct hh_cache *hh,
+ const struct net_device *dev,
+ const unsigned char *haddr);
+
extern struct net_device *alloc_etherdev_mq(int sizeof_priv, unsigned int queue_count);
#define alloc_etherdev(sizeof_priv) alloc_etherdev_mq(sizeof_priv, 1)
diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 0e791e2c..5f92977 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -117,6 +117,8 @@
return (struct ethhdr *)skb_mac_header(skb);
}
+int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
+
#ifdef CONFIG_SYSCTL
extern struct ctl_table ether_table[];
#endif
diff --git a/include/linux/if_shaper.h b/include/linux/if_shaper.h
index 5157474..3b1b7ba 100644
--- a/include/linux/if_shaper.h
+++ b/include/linux/if_shaper.h
@@ -25,17 +25,6 @@
an empty queue */
spinlock_t lock;
struct net_device *dev;
- int (*hard_start_xmit) (struct sk_buff *skb,
- struct net_device *dev);
- int (*hard_header) (struct sk_buff *skb,
- struct net_device *dev,
- unsigned short type,
- void *daddr,
- void *saddr,
- unsigned len);
- int (*rebuild_header)(struct sk_buff *skb);
- int (*hard_header_cache)(struct neighbour *neigh, struct hh_cache *hh);
- void (*header_cache_update)(struct hh_cache *hh, struct net_device *dev, unsigned char * haddr);
struct net_device_stats* (*get_stats)(struct net_device *dev);
struct timer_list timer;
};
diff --git a/include/linux/isdn.h b/include/linux/isdn.h
index 3c7875b..a6fb366 100644
--- a/include/linux/isdn.h
+++ b/include/linux/isdn.h
@@ -353,13 +353,6 @@
/* a particular channel (including */
/* the frame_cnt */
- int (*org_hhc)(
- struct neighbour *neigh,
- struct hh_cache *hh);
- /* Ptr to orig. header_cache_update */
- void (*org_hcu)(struct hh_cache *,
- struct net_device *,
- unsigned char *);
int pppbind; /* ippp device for bindings */
int dialtimeout; /* How long shall we try on dialing? (jiffies) */
int dialwait; /* How long shall we wait after failed attempt? (jiffies) */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index aae9ec3..91cd3f3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -250,6 +250,19 @@
#define LL_RESERVED_SPACE_EXTRA(dev,extra) \
((((dev)->hard_header_len+extra)&~(HH_DATA_MOD - 1)) + HH_DATA_MOD)
+struct header_ops {
+ int (*create) (struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, const void *daddr,
+ const void *saddr, unsigned len);
+ int (*parse)(const struct sk_buff *skb, unsigned char *haddr);
+ int (*rebuild)(struct sk_buff *skb);
+#define HAVE_HEADER_CACHE
+ int (*cache)(const struct neighbour *neigh, struct hh_cache *hh);
+ void (*cache_update)(struct hh_cache *hh,
+ const struct net_device *dev,
+ const unsigned char *haddr);
+};
+
/* These flag bits are private to the generic network queueing
* layer, they may not be explicitly referenced by any other
* code.
@@ -492,6 +505,9 @@
#endif
const struct ethtool_ops *ethtool_ops;
+ /* Hardware header description */
+ const struct header_ops *header_ops;
+
/*
* This marks the end of the "visible" part of the structure. All
* fields hereafter are internal to the system, and may change at
@@ -615,13 +631,6 @@
int (*open)(struct net_device *dev);
int (*stop)(struct net_device *dev);
#define HAVE_NETDEV_POLL
- int (*hard_header) (struct sk_buff *skb,
- struct net_device *dev,
- unsigned short type,
- void *daddr,
- void *saddr,
- unsigned len);
- int (*rebuild_header)(struct sk_buff *skb);
#define HAVE_CHANGE_RX_FLAGS
void (*change_rx_flags)(struct net_device *dev,
int flags);
@@ -638,12 +647,6 @@
#define HAVE_SET_CONFIG
int (*set_config)(struct net_device *dev,
struct ifmap *map);
-#define HAVE_HEADER_CACHE
- int (*hard_header_cache)(struct neighbour *neigh,
- struct hh_cache *hh);
- void (*header_cache_update)(struct hh_cache *hh,
- struct net_device *dev,
- unsigned char * haddr);
#define HAVE_CHANGE_MTU
int (*change_mtu)(struct net_device *dev, int new_mtu);
@@ -657,8 +660,6 @@
void (*vlan_rx_kill_vid)(struct net_device *dev,
unsigned short vid);
- int (*hard_header_parse)(const struct sk_buff *skb,
- unsigned char *haddr);
int (*neigh_setup)(struct net_device *dev, struct neigh_parms *);
#ifdef CONFIG_NETPOLL
struct netpoll_info *npinfo;
@@ -802,11 +803,13 @@
static inline int dev_hard_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)
{
- if (!dev->hard_header)
+ if (!dev->header_ops)
return 0;
- return dev->hard_header(skb, dev, type, daddr, saddr, len);
+
+ return dev->header_ops->create(skb, dev, type, daddr, saddr, len);
}
static inline int dev_parse_header(const struct sk_buff *skb,
@@ -814,9 +817,9 @@
{
const struct net_device *dev = skb->dev;
- if (!dev->hard_header_parse)
+ if (!dev->header_ops->parse)
return 0;
- return dev->hard_header_parse(skb, haddr);
+ return dev->header_ops->parse(skb, haddr);
}
typedef int gifconf_func_t(struct net_device * dev, char __user * bufptr, int len);
diff --git a/include/net/ax25.h b/include/net/ax25.h
index 99a4e36..4e3cd93 100644
--- a/include/net/ax25.h
+++ b/include/net/ax25.h
@@ -363,8 +363,11 @@
extern int ax25_kiss_rcv(struct sk_buff *, struct net_device *, struct packet_type *, struct net_device *);
/* ax25_ip.c */
-extern int ax25_hard_header(struct sk_buff *, struct net_device *, unsigned short, void *, void *, unsigned int);
+extern int ax25_hard_header(struct sk_buff *, struct net_device *,
+ unsigned short, const void *,
+ const void *, unsigned int);
extern int ax25_rebuild_header(struct sk_buff *);
+extern const struct header_ops ax25_header_ops;
/* ax25_out.c */
extern ax25_cb *ax25_send_frame(struct sk_buff *, int, ax25_address *, ax25_address *, ax25_digi *, struct net_device *);
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 9e22526..ab61809 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -97,10 +97,9 @@
/* Calculate maximal size of packet seen by hard_start_xmit
routine of this device.
*/
-static inline unsigned psched_mtu(struct net_device *dev)
+static inline unsigned psched_mtu(const struct net_device *dev)
{
- unsigned mtu = dev->mtu;
- return dev->hard_header ? mtu + dev->hard_header_len : mtu;
+ return dev->mtu + dev->hard_header_len;
}
#endif
diff --git a/net/802/fc.c b/net/802/fc.c
index 675d9ba..cb3475e 100644
--- a/net/802/fc.c
+++ b/net/802/fc.c
@@ -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 @@
#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;
diff --git a/net/802/fddi.c b/net/802/fddi.c
index 91dde41..0549317 100644
--- a/net/802/fddi.c
+++ b/net/802/fddi.c
@@ -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 @@
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 */
diff --git a/net/802/hippi.c b/net/802/hippi.c
index 87ffc12..e35dc1e 100644
--- a/net/802/hippi.c
+++ b/net/802/hippi.c
@@ -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 @@
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;
/*
diff --git a/net/802/tr.c b/net/802/tr.c
index aa3c2e9..a2bd0f2 100644
--- a/net/802/tr.c
+++ b/net/802/tr.c
@@ -100,7 +100,7 @@
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 @@
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 @@
* 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 @@
#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;
diff --git a/net/8021q/vlan.c b/net/8021q/vlan.c
index 4d003e3..f2bee23 100644
--- a/net/8021q/vlan.c
+++ b/net/8021q/vlan.c
@@ -314,6 +314,12 @@
*/
static struct lock_class_key vlan_netdev_xmit_lock_key;
+static const struct header_ops vlan_header_ops = {
+ .create = vlan_dev_hard_header,
+ .rebuild = vlan_dev_rebuild_header,
+ .parse = eth_header_parse,
+};
+
static int vlan_dev_init(struct net_device *dev)
{
struct net_device *real_dev = VLAN_DEV_INFO(dev)->real_dev;
@@ -331,18 +337,14 @@
memcpy(dev->broadcast, real_dev->broadcast, dev->addr_len);
if (real_dev->features & NETIF_F_HW_VLAN_TX) {
- dev->hard_header = real_dev->hard_header;
+ dev->header_ops = real_dev->header_ops;
dev->hard_header_len = real_dev->hard_header_len;
dev->hard_start_xmit = vlan_dev_hwaccel_hard_start_xmit;
- dev->rebuild_header = real_dev->rebuild_header;
} else {
- dev->hard_header = vlan_dev_hard_header;
+ dev->header_ops = &vlan_header_ops;
dev->hard_header_len = real_dev->hard_header_len + VLAN_HLEN;
dev->hard_start_xmit = vlan_dev_hard_start_xmit;
- dev->rebuild_header = vlan_dev_rebuild_header;
}
- dev->hard_header_parse = real_dev->hard_header_parse;
- dev->hard_header_cache = NULL;
lockdep_set_class(&dev->_xmit_lock, &vlan_netdev_xmit_lock_key);
return 0;
diff --git a/net/8021q/vlan.h b/net/8021q/vlan.h
index 7df5b29..cf4a80d 100644
--- a/net/8021q/vlan.h
+++ b/net/8021q/vlan.h
@@ -53,8 +53,8 @@
int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
struct packet_type *ptype, struct net_device *orig_dev);
int vlan_dev_hard_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);
int vlan_dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
int vlan_dev_hwaccel_hard_start_xmit(struct sk_buff *skb, struct net_device *dev);
int vlan_dev_change_mtu(struct net_device *dev, int new_mtu);
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index ca8090f..1a1740a 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -343,8 +343,8 @@
* physical devices.
*/
int vlan_dev_hard_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 vlan_hdr *vhdr;
unsigned short veth_TCI = 0;
diff --git a/net/appletalk/dev.c b/net/appletalk/dev.c
index 9e4dffc..d856a62 100644
--- a/net/appletalk/dev.c
+++ b/net/appletalk/dev.c
@@ -24,11 +24,7 @@
/* Fill in the fields of the device structure with localtalk-generic values. */
dev->change_mtu = ltalk_change_mtu;
- dev->hard_header = NULL;
- dev->rebuild_header = NULL;
dev->set_mac_address = ltalk_mac_addr;
- dev->hard_header_cache = NULL;
- dev->header_cache_update= NULL;
dev->type = ARPHRD_LOCALTLK;
dev->hard_header_len = LTALK_HLEN;
diff --git a/net/ax25/ax25_ip.c b/net/ax25/ax25_ip.c
index 930e491..f047a57 100644
--- a/net/ax25/ax25_ip.c
+++ b/net/ax25/ax25_ip.c
@@ -46,7 +46,9 @@
#ifdef CONFIG_INET
-int ax25_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, void *daddr, void *saddr, unsigned len)
+int ax25_hard_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, const void *daddr,
+ const void *saddr, unsigned len)
{
unsigned char *buff;
@@ -215,7 +217,9 @@
#else /* INET */
-int ax25_hard_header(struct sk_buff *skb, struct net_device *dev, unsigned short type, void *daddr, void *saddr, unsigned len)
+int ax25_hard_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type, const void *daddr,
+ const void *saddr, unsigned len)
{
return -AX25_HEADER_LEN;
}
@@ -227,5 +231,12 @@
#endif
+const struct header_ops ax25_header_ops = {
+ .create = ax25_hard_header,
+ .rebuild = ax25_rebuild_header,
+};
+
EXPORT_SYMBOL(ax25_hard_header);
EXPORT_SYMBOL(ax25_rebuild_header);
+EXPORT_SYMBOL(ax25_header_ops);
+
diff --git a/net/core/dev.c b/net/core/dev.c
index 3923d51..d998646 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -967,14 +967,6 @@
request_module("%s", name);
}
-static int default_rebuild_header(struct sk_buff *skb)
-{
- printk(KERN_DEBUG "%s: default_rebuild_header called -- BUG!\n",
- skb->dev ? skb->dev->name : "NULL!!!");
- kfree_skb(skb);
- return 1;
-}
-
/**
* dev_open - prepare an interface for use.
* @dev: device to open
@@ -3561,14 +3553,6 @@
}
}
- /*
- * nil rebuild_header routine,
- * that should be never called and used as just bug trap.
- */
-
- if (!dev->rebuild_header)
- dev->rebuild_header = default_rebuild_header;
-
ret = netdev_register_kobject(dev);
if (ret)
goto err_uninit;
diff --git a/net/core/neighbour.c b/net/core/neighbour.c
index 10bcb9f..c52df85 100644
--- a/net/core/neighbour.c
+++ b/net/core/neighbour.c
@@ -897,8 +897,8 @@
static void neigh_update_hhs(struct neighbour *neigh)
{
struct hh_cache *hh;
- void (*update)(struct hh_cache*, struct net_device*, unsigned char *) =
- neigh->dev->header_cache_update;
+ void (*update)(struct hh_cache*, const struct net_device*, const unsigned char *)
+ = neigh->dev->header_ops->cache_update;
if (update) {
for (hh = neigh->hh; hh; hh = hh->hh_next) {
@@ -1095,7 +1095,8 @@
hh->hh_type = protocol;
atomic_set(&hh->hh_refcnt, 0);
hh->hh_next = NULL;
- if (dev->hard_header_cache(n, hh)) {
+
+ if (dev->header_ops->cache(n, hh)) {
kfree(hh);
hh = NULL;
} else {
@@ -1127,7 +1128,7 @@
if (dev_hard_header(skb, dev, ntohs(skb->protocol), NULL, NULL,
skb->len) < 0 &&
- dev->rebuild_header(skb))
+ dev->header_ops->rebuild(skb))
return 0;
return dev_queue_xmit(skb);
@@ -1149,7 +1150,7 @@
if (!neigh_event_send(neigh, skb)) {
int err;
struct net_device *dev = neigh->dev;
- if (dev->hard_header_cache && !dst->hh) {
+ if (dev->header_ops->cache && !dst->hh) {
write_lock_bh(&neigh->lock);
if (!dst->hh)
neigh_hh_init(neigh, dst, dst->ops->protocol);
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index bdeb2f0..ed8a3d4 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -75,8 +75,9 @@
* Set the protocol type. For a packet of type ETH_P_802_3 we put the length
* in here instead. It is up to the 802.2 layer to carry protocol information.
*/
-int eth_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned len)
+int eth_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned len)
{
struct ethhdr *eth = (struct ethhdr *)skb_push(skb, ETH_HLEN);
@@ -109,6 +110,7 @@
return -ETH_HLEN;
}
+EXPORT_SYMBOL(eth_header);
/**
* eth_rebuild_header- rebuild the Ethernet MAC header.
@@ -141,6 +143,7 @@
return 0;
}
+EXPORT_SYMBOL(eth_rebuild_header);
/**
* eth_type_trans - determine the packet's protocol ID.
@@ -207,12 +210,13 @@
* @skb: packet to extract header from
* @haddr: destination buffer
*/
-static int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr)
+int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr)
{
const struct ethhdr *eth = eth_hdr(skb);
memcpy(haddr, eth->h_source, ETH_ALEN);
return ETH_ALEN;
}
+EXPORT_SYMBOL(eth_header_parse);
/**
* eth_header_cache - fill cache entry from neighbour
@@ -220,11 +224,11 @@
* @hh: destination cache entry
* Create an Ethernet header template from the neighbour.
*/
-int eth_header_cache(struct neighbour *neigh, struct hh_cache *hh)
+int eth_header_cache(const struct neighbour *neigh, struct hh_cache *hh)
{
__be16 type = hh->hh_type;
struct ethhdr *eth;
- struct net_device *dev = neigh->dev;
+ const struct net_device *dev = neigh->dev;
eth = (struct ethhdr *)
(((u8 *) hh->hh_data) + (HH_DATA_OFF(sizeof(*eth))));
@@ -238,6 +242,7 @@
hh->hh_len = ETH_HLEN;
return 0;
}
+EXPORT_SYMBOL(eth_header_cache);
/**
* eth_header_cache_update - update cache entry
@@ -247,12 +252,14 @@
*
* Called by Address Resolution module to notify changes in address.
*/
-void eth_header_cache_update(struct hh_cache *hh, struct net_device *dev,
- unsigned char *haddr)
+void eth_header_cache_update(struct hh_cache *hh,
+ const struct net_device *dev,
+ const unsigned char *haddr)
{
memcpy(((u8 *) hh->hh_data) + HH_DATA_OFF(sizeof(struct ethhdr)),
haddr, ETH_ALEN);
}
+EXPORT_SYMBOL(eth_header_cache_update);
/**
* eth_mac_addr - set new Ethernet hardware address
@@ -291,6 +298,14 @@
return 0;
}
+const struct header_ops eth_header_ops ____cacheline_aligned = {
+ .create = eth_header,
+ .parse = eth_header_parse,
+ .rebuild = eth_rebuild_header,
+ .cache = eth_header_cache,
+ .cache_update = eth_header_cache_update,
+};
+
/**
* ether_setup - setup Ethernet network device
* @dev: network device
@@ -298,13 +313,10 @@
*/
void ether_setup(struct net_device *dev)
{
+ dev->header_ops = ð_header_ops;
+
dev->change_mtu = eth_change_mtu;
- dev->hard_header = eth_header;
- dev->rebuild_header = eth_rebuild_header;
dev->set_mac_address = eth_mac_addr;
- dev->hard_header_cache = eth_header_cache;
- dev->header_cache_update= eth_header_cache_update;
- dev->hard_header_parse = eth_header_parse;
dev->type = ARPHRD_ETHER;
dev->hard_header_len = ETH_HLEN;
diff --git a/net/ipv4/arp.c b/net/ipv4/arp.c
index 5b24c65..d824819 100644
--- a/net/ipv4/arp.c
+++ b/net/ipv4/arp.c
@@ -253,7 +253,7 @@
neigh->parms = neigh_parms_clone(parms);
rcu_read_unlock();
- if (dev->hard_header == NULL) {
+ if (!dev->header_ops) {
neigh->nud_state = NUD_NOARP;
neigh->ops = &arp_direct_ops;
neigh->output = neigh->ops->queue_xmit;
@@ -310,10 +310,12 @@
neigh->nud_state = NUD_NOARP;
memcpy(neigh->ha, dev->broadcast, dev->addr_len);
}
- if (dev->hard_header_cache)
+
+ if (dev->header_ops->cache)
neigh->ops = &arp_hh_ops;
else
neigh->ops = &arp_generic_ops;
+
if (neigh->nud_state&NUD_VALID)
neigh->output = neigh->ops->connected_output;
else
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index ffa9f1c..f151900 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -684,7 +684,7 @@
goto tx_error;
}
- if (dev->hard_header) {
+ if (dev->header_ops) {
gre_hlen = 0;
tiph = (struct iphdr*)skb->data;
} else {
@@ -1063,8 +1063,9 @@
*/
-static int ipgre_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned len)
+static int ipgre_header(struct sk_buff *skb, struct net_device *dev,
+ unsigned short type,
+ const void *daddr, const void *saddr, unsigned len)
{
struct ip_tunnel *t = netdev_priv(dev);
struct iphdr *iph = (struct iphdr *)skb_push(skb, t->hlen);
@@ -1091,6 +1092,10 @@
return -t->hlen;
}
+static const struct header_ops ipgre_header_ops = {
+ .create = ipgre_header,
+};
+
static int ipgre_open(struct net_device *dev)
{
struct ip_tunnel *t = netdev_priv(dev);
@@ -1187,7 +1192,7 @@
if (!iph->saddr)
return -EINVAL;
dev->flags = IFF_BROADCAST;
- dev->hard_header = ipgre_header;
+ dev->header_ops = &ipgre_header_ops;
dev->open = ipgre_open;
dev->stop = ipgre_close;
}
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 77f67b7..699f067 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -169,7 +169,7 @@
IP_INC_STATS(IPSTATS_MIB_OUTBCASTPKTS);
/* Be paranoid, rather than too clever. */
- if (unlikely(skb_headroom(skb) < hh_len && dev->hard_header)) {
+ if (unlikely(skb_headroom(skb) < hh_len && dev->header_ops)) {
struct sk_buff *skb2;
skb2 = skb_realloc_headroom(skb, LL_RESERVED_SPACE(dev));
diff --git a/net/ipv6/ndisc.c b/net/ipv6/ndisc.c
index 7ea5a50..b761dbe 100644
--- a/net/ipv6/ndisc.c
+++ b/net/ipv6/ndisc.c
@@ -354,7 +354,7 @@
rcu_read_unlock();
neigh->type = is_multicast ? RTN_MULTICAST : RTN_UNICAST;
- if (dev->hard_header == NULL) {
+ if (!dev->header_ops) {
neigh->nud_state = NUD_NOARP;
neigh->ops = &ndisc_direct_ops;
neigh->output = neigh->ops->queue_xmit;
@@ -371,7 +371,7 @@
neigh->nud_state = NUD_NOARP;
memcpy(neigh->ha, dev->broadcast, dev->addr_len);
}
- if (dev->hard_header_cache)
+ if (dev->header_ops->cache)
neigh->ops = &ndisc_hh_ops;
else
neigh->ops = &ndisc_generic_ops;
@@ -807,7 +807,7 @@
neigh_update(neigh, lladdr, NUD_STALE,
NEIGH_UPDATE_F_WEAK_OVERRIDE|
NEIGH_UPDATE_F_OVERRIDE);
- if (neigh || !dev->hard_header) {
+ if (neigh || !dev->header_ops) {
ndisc_send_na(dev, neigh, saddr, &msg->target,
is_router,
1, (ifp != NULL && inc), inc);
diff --git a/net/mac80211/ieee80211.c b/net/mac80211/ieee80211.c
index 0cdcf0d..57ec888 100644
--- a/net/mac80211/ieee80211.c
+++ b/net/mac80211/ieee80211.c
@@ -228,7 +228,6 @@
dev->open = ieee80211_mgmt_open;
dev->stop = ieee80211_mgmt_stop;
dev->type = ARPHRD_IEEE80211_PRISM;
- dev->hard_header_parse = header_parse_80211;
dev->uninit = ieee80211_if_reinit;
dev->destructor = ieee80211_if_free;
}
@@ -546,10 +545,19 @@
netif_tx_unlock(local->mdev);
}
+static const struct header_ops ieee80211_header_ops = {
+ .create = eth_header,
+ .parse = header_parse_80211,
+ .rebuild = eth_rebuild_header,
+ .cache = eth_header_cache,
+ .cache_update = eth_header_cache_update,
+};
+
/* Must not be called for mdev and apdev */
void ieee80211_if_setup(struct net_device *dev)
{
ether_setup(dev);
+ dev->header_ops = &ieee80211_header_ops;
dev->hard_start_xmit = ieee80211_subif_start_xmit;
dev->wireless_handlers = &ieee80211_iw_handler_def;
dev->set_multicast_list = ieee80211_set_multicast_list;
@@ -1197,7 +1205,7 @@
mdev->open = ieee80211_master_open;
mdev->stop = ieee80211_master_stop;
mdev->type = ARPHRD_IEEE80211;
- mdev->hard_header_parse = header_parse_80211;
+ mdev->header_ops = &ieee80211_header_ops;
sdata->type = IEEE80211_IF_TYPE_AP;
sdata->dev = mdev;
diff --git a/net/netrom/nr_dev.c b/net/netrom/nr_dev.c
index c7b5d93..8c68da5 100644
--- a/net/netrom/nr_dev.c
+++ b/net/netrom/nr_dev.c
@@ -95,8 +95,9 @@
#endif
-static int nr_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
- void *daddr, void *saddr, unsigned len)
+static int nr_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, NR_NETWORK_LEN + NR_TRANSPORT_LEN);
@@ -193,6 +194,12 @@
return &nr->stats;
}
+static const struct header_ops nr_header_ops = {
+ .create = nr_header,
+ .rebuild= nr_rebuild_header,
+};
+
+
void nr_setup(struct net_device *dev)
{
dev->mtu = NR_MAX_PACKET_SIZE;
@@ -200,11 +207,10 @@
dev->open = nr_open;
dev->stop = nr_close;
- dev->hard_header = nr_header;
+ dev->header_ops = &nr_header_ops;
dev->hard_header_len = NR_NETWORK_LEN + NR_TRANSPORT_LEN;
dev->addr_len = AX25_ADDR_LEN;
dev->type = ARPHRD_NETROM;
- dev->rebuild_header = nr_rebuild_header;
dev->set_mac_address = nr_set_mac_address;
/* New-style flags. */
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index c9ee343..e11000a 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -389,7 +389,7 @@
skb_reset_network_header(skb);
/* Try to align data part correctly */
- if (dev->hard_header) {
+ if (dev->header_ops) {
skb->data -= dev->hard_header_len;
skb->tail -= dev->hard_header_len;
if (len < dev->hard_header_len)
@@ -466,7 +466,7 @@
skb->dev = dev;
- if (dev->hard_header) {
+ if (dev->header_ops) {
/* The device has an explicit notion of ll header,
exported to higher levels.
@@ -581,7 +581,7 @@
sk = pt->af_packet_priv;
po = pkt_sk(sk);
- if (dev->hard_header) {
+ if (dev->header_ops) {
if (sk->sk_type != SOCK_DGRAM)
skb_push(skb, skb->data - skb_mac_header(skb));
else if (skb->pkt_type == PACKET_OUTGOING) {
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 @@
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 @@
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. */
diff --git a/net/sched/sch_teql.c b/net/sched/sch_teql.c
index d13970f..be57cf3 100644
--- a/net/sched/sch_teql.c
+++ b/net/sched/sch_teql.c
@@ -249,10 +249,10 @@
return (skb_res == NULL) ? -EAGAIN : 1;
}
-static __inline__ int
-teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, struct net_device *dev)
+static inline int teql_resolve(struct sk_buff *skb,
+ struct sk_buff *skb_res, struct net_device *dev)
{
- if (dev->hard_header == NULL ||
+ if (dev->header_ops == NULL ||
skb->dst == NULL ||
skb->dst->neighbour == NULL)
return 0;