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[NET]: Move hardware header operations out of netdevice.

Browse source 
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
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40
drivers/ieee1394/eth1394.c
View file

@ -159,15 +159,16 @@ MODULE_PARM_DESC(max_partial_datagrams,
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 @@ static void ether1394_reset_priv(struct net_device *dev, int set_mtu)
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 @@ static void ether1394_init_dev(struct net_device *dev)
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 = &ether1394_header_ops;
SET_ETHTOOL_OPS(dev, &ethtool_ops);
@ -711,8 +716,8 @@ static void ether1394_host_reset(struct hpsb_host *host)
* 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 @@ static int ether1394_header_parse(const struct sk_buff *skb,
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 @@ static int ether1394_header_cache(struct neighbour *neigh, struct hh_cache *hh)
/* 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 @@ static u16 ether1394_parse_encap(struct sk_buff *skb, struct net_device *dev,
}
/* 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;

8
drivers/infiniband/ulp/ipoib/ipoib_main.c
View file

@ -780,7 +780,7 @@ static void ipoib_timeout(struct net_device *dev)
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 @@ void ipoib_dev_cleanup(struct net_device *dev)
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 @@ static void ipoib_setup(struct net_device *dev)
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;

105
drivers/isdn/i4l/isdn_net.c
View file

@ -1873,54 +1873,14 @@ isdn_net_rcv_skb(int idx, struct sk_buff *skb)
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 @@ isdn_net_header(struct sk_buff *skb, struct net_device *dev, unsigned short type
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 @@ isdn_net_rebuild_header(struct sk_buff *skb)
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 @@ static int
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 @@ isdn_net_init(struct net_device *ndev)
/* 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 @@ isdn_net_init(struct net_device *ndev)
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 @@ isdn_net_setcfg(isdn_net_ioctl_cfg * cfg)
}
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_realrm(isdn_net_dev * p, isdn_net_dev * q)
((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 */

9
drivers/media/dvb/dvb-core/dvb_net.c
View file

@ -1225,10 +1225,17 @@ static struct net_device_stats * dvb_net_get_stats(struct net_device *dev)
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 @@ static void dvb_net_setup(struct net_device *dev)
dev->set_mac_address = dvb_net_set_mac;
dev->mtu = 4096;
dev->mc_count = 0;
dev->hard_header_cache = NULL;
dev->flags |= IFF_NOARP;
}

20
drivers/net/appletalk/cops.c
View file

@ -194,10 +194,6 @@ static void cops_timeout(struct net_device *dev);
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 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr)
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 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr)
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;
@ -944,19 +939,6 @@ static void set_multicast_list(struct net_device *dev)
printk("%s: set_multicast_list executed\n", dev->name);
}
/*
* 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.
*/

10
drivers/net/appletalk/ltpc.c
View file

@ -870,15 +870,6 @@ static void set_multicast_list(struct net_device *dev)
/* 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 @@ struct net_device * __init ltpc_probe(void)
/* 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 */

18
drivers/net/arcnet/arcnet.c
View file

@ -102,8 +102,8 @@ static int arcnet_close(struct net_device *dev);
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 @@ static int choose_mtu(void)
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 @@ static void arcdev_setup(struct net_device *dev)
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_close(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)
{
struct arcnet_local *lp = dev->priv;
const struct arcnet_local *lp = netdev_priv(dev);
uint8_t _daddr, proto_num;
struct ArcProto *proto;

13
drivers/net/hamradio/6pack.c
View file

@ -288,7 +288,8 @@ static int sp_close(struct net_device *dev)
/* 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 @@ static int sp_rebuild_header(struct sk_buff *skb)
#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 @@ static void sp_setup(struct net_device *dev)
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 */

3
drivers/net/hamradio/baycom_epp.c
View file

@ -1159,8 +1159,7 @@ static void baycom_probe(struct net_device *dev)
/* 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 */

3
drivers/net/hamradio/bpqether.c
View file

@ -483,8 +483,7 @@ static void bpq_setup(struct net_device *dev)
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;

3
drivers/net/hamradio/dmascc.c
View file

@ -581,8 +581,7 @@ static int __init setup_adapter(int card_base, int type, int n)
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])) {

3
drivers/net/hamradio/hdlcdrv.c
View file

@ -682,8 +682,7 @@ static void hdlcdrv_setup(struct net_device *dev)
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 */

14
drivers/net/hamradio/mkiss.c
View file

@ -578,8 +578,9 @@ static int ax_open_dev(struct net_device *dev)
#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 @@ static struct net_device_stats *ax_get_stats(struct net_device *dev)
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 @@ static void ax_setup(struct net_device *dev)
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);

4
drivers/net/hamradio/scc.c
View file

@ -1551,8 +1551,8 @@ static void scc_net_setup(struct net_device *dev)
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;

3
drivers/net/hamradio/yam.c
View file

@ -1097,8 +1097,7 @@ static void yam_setup(struct net_device *dev)
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;

8
drivers/net/loopback.c
View file

@ -221,22 +221,17 @@ static void loopback_dev_free(struct net_device *dev)
}
/*
* 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 @@ static void loopback_setup(struct net_device *dev)
| NETIF_F_LLTX
| NETIF_F_NETNS_LOCAL,
dev->ethtool_ops = &loopback_ethtool_ops;
dev->header_ops = &eth_header_ops;
dev->init = loopback_dev_init;
dev->destructor = loopback_dev_free;
}

15
drivers/net/macvlan.c
View file

@ -164,8 +164,8 @@ static int macvlan_hard_start_xmit(struct sk_buff *skb, struct net_device *dev)
}
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 @@ static int macvlan_hard_header(struct sk_buff *skb, struct net_device *dev,
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 @@ static void macvlan_setup(struct net_device *dev)
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;
}

28
drivers/net/myri_sbus.c
View file

@ -676,8 +676,9 @@ static int myri_start_xmit(struct sk_buff *skb, struct net_device *dev)
* 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 @@ static int myri_rebuild_header(struct sk_buff *skb)
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 @@ int myri_header_cache(struct neighbour *neigh, struct hh_cache *hh)
/* 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 @@ static void dump_eeprom(struct myri_eth *mp)
}
#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 @@ static int __devinit myri_ether_init(struct sbus_dev *sdev)
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"));

50
drivers/net/plip.c
View file

@ -148,9 +148,9 @@ static void plip_interrupt(int irq, void *dev_id);
/* 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 @@ struct net_local {
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 @@ static inline unsigned char read_status (struct net_device *dev)
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 @@ plip_init_netdev(struct net_device *dev)
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 @@ plip_tx_packet(struct sk_buff *skb, struct net_device *dev)
}
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 @@ plip_rewrite_address(struct net_device *dev, struct ethhdr *eth)
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) +

61
drivers/net/shaper.c
View file

@ -331,15 +331,16 @@ static int shaper_close(struct net_device *dev)
*/
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 @@ static int shaper_rebuild_header(struct sk_buff *skb)
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 @@ static int shaper_neigh_setup_dev(struct net_device *dev, struct neigh_parms *p)
#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 @@ static void __init shaper_setup(struct net_device *dev)
* 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;

1
drivers/net/skfp/skfddi.c
View file

@ -260,7 +260,6 @@ static int skfp_init_one(struct pci_dev *pdev,
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);

31
drivers/net/wan/cycx_x25.c
View file

@ -131,14 +131,15 @@ static int cycx_wan_update(struct wan_device *wandev),
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 @@ static int cycx_wan_del_if(struct wan_device *wandev, struct net_device *dev)
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 @@ static int cycx_netdevice_init(struct net_device *dev)
/* 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 @@ static int cycx_netdevice_stop(struct net_device *dev)
* 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;

10
drivers/net/wan/dlci.c
View file

@ -66,8 +66,8 @@ static void dlci_setup(struct net_device *);
*/
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 @@ static int dlci_ioctl(unsigned int cmd, void __user *arg)
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 @@ static void dlci_setup(struct net_device *dev)
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;

10
drivers/net/wan/hdlc.c
View file

@ -232,6 +232,8 @@ int hdlc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
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 @@ static void hdlc_setup_dev(struct net_device *dev)
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)

8
drivers/net/wan/hdlc_cisco.c
View file

@ -74,7 +74,7 @@ static inline struct cisco_state * state(hdlc_device *hdlc)
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 void cisco_stop(struct net_device *dev)
}
static struct hdlc_proto proto = {
.start = cisco_start,
.stop = cisco_stop,
@ -318,6 +317,9 @@ static struct hdlc_proto proto = {
.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 @@ static int cisco_ioctl(struct net_device *dev, struct ifreq *ifr)
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;

2
drivers/net/wan/hdlc_ppp.c
View file

@ -73,7 +73,7 @@ static void ppp_close(struct net_device *dev)
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;

2
drivers/net/wan/lmc/lmc_proto.c
View file

@ -111,7 +111,7 @@ void lmc_proto_attach(lmc_softc_t *sc) /*FOLD00*/
* 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;
}

19
drivers/net/wan/syncppp.c
View file

@ -359,8 +359,10 @@ done:
* 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 @@ static int sppp_hard_header(struct sk_buff *skb, struct net_device *dev, __u16 t
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 @@ void sppp_attach(struct ppp_device *pd)
* 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 @@ void sppp_attach(struct ppp_device *pd)
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;
}

6
drivers/net/wireless/airo.c
View file

@ -2696,9 +2696,13 @@ static int mpi_map_card(struct airo_info *ai, struct pci_dev *pci)
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;

3
drivers/net/wireless/hostap/hostap.h
View file

@ -30,8 +30,7 @@ void hostap_dump_rx_header(const char *name,
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,

3
drivers/net/wireless/hostap/hostap_hw.c
View file

@ -3258,11 +3258,10 @@ while (0)
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");

5
drivers/net/wireless/hostap/hostap_ioctl.c
View file

@ -897,11 +897,8 @@ static void hostap_monitor_set_type(local_info_t *local)
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 @@ static int hostap_monitor_mode_disable(local_info_t *local)
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))

43
drivers/net/wireless/hostap/hostap_main.c
View file

@ -594,24 +594,27 @@ 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_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 @@ static void prism2_tx_timeout(struct net_device *dev)
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 @@ void hostap_setup_dev(struct net_device *dev, local_info_t *local,
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 @@ static int hostap_enable_hostapd(local_info_t *local, int rtnl_locked)
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;
}

2
drivers/net/wireless/hostap/hostap_wlan.h
View file

@ -736,8 +736,6 @@ struct local_info {
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

13
drivers/net/wireless/strip.c
View file

@ -1631,8 +1631,8 @@ static void strip_IdleTask(unsigned long parameter)
*/
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 @@ static int strip_close_low(struct net_device *dev)
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 @@ static void strip_dev_setup(struct net_device *dev)
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;

3
drivers/s390/net/qeth.h
View file

@ -833,8 +833,7 @@ struct qeth_card {
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;
};

44
drivers/s390/net/qeth_main.c
View file

@ -160,6 +160,9 @@ qeth_set_multicast_list(struct net_device *);
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 @@ qeth_get_netdevice(enum qeth_card_types type, enum qeth_link_types linktype)
/*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 @@ qeth_fake_header(struct sk_buff *skb, struct net_device *dev,
}
}
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_send_packet(struct qeth_card *card, struct sk_buff *skb)
[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 @@ qeth_hard_header_parse(const struct sk_buff *skb, unsigned char *haddr)
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 @@ haveheader:
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 @@ qeth_netdev_init(struct net_device *dev)
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 @@ qeth_netdev_init(struct net_device *dev)
#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 @@ retry:
}
/*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 @@ retry:
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 @@ qeth_arp_constructor(struct neighbour *neigh)
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();

20
include/linux/etherdevice.h
View file

@ -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)

2
include/linux/if_ether.h
View file

@ -117,6 +117,8 @@ static inline struct ethhdr *eth_hdr(const struct sk_buff *skb)
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

11
include/linux/if_shaper.h
View file

@ -25,17 +25,6 @@ struct shaper
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;
};

7
include/linux/isdn.h
View file

@ -353,13 +353,6 @@ typedef struct isdn_net_local_s {
/* 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) */

43
include/linux/netdevice.h
View file

@ -250,6 +250,19 @@ struct hh_cache
#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 @@ struct net_device
#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 @@ struct net_device
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 @@ struct net_device
#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 @@ struct net_device
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 @@ extern int netpoll_trap(void);
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 @@ static inline int dev_parse_header(const struct sk_buff *skb,
{
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);

5
include/net/ax25.h
View file

@ -363,8 +363,11 @@ extern int ax25_rx_iframe(ax25_cb *, struct sk_buff *);
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 *);

5
include/net/pkt_sched.h
View file

@ -97,10 +97,9 @@ extern int tc_classify(struct sk_buff *skb, struct tcf_proto *tp,
/* 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

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;

14
net/8021q/vlan.c
View file

@ -314,6 +314,12 @@ int unregister_vlan_device(struct net_device *dev)
*/
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 @@ static int vlan_dev_init(struct net_device *dev)
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;

4
net/8021q/vlan.h
View file

@ -53,8 +53,8 @@ int vlan_dev_rebuild_header(struct sk_buff *skb);
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);

4
net/8021q/vlan_dev.c
View file

@ -343,8 +343,8 @@ static inline unsigned short vlan_dev_get_egress_qos_mask(struct net_device* dev
* 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;

4
net/appletalk/dev.c
View file

@ -24,11 +24,7 @@ static void ltalk_setup(struct net_device *dev)
/* 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;

15
net/ax25/ax25_ip.c
View file

@ -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 @@ put:
#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 @@ int ax25_rebuild_header(struct sk_buff *skb)
#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);

16
net/core/dev.c
View file

@ -967,14 +967,6 @@ void dev_load(struct net *net, const char *name)
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 @@ int register_netdevice(struct net_device *dev)
}
}
/*
* 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;

11
net/core/neighbour.c
View file

@ -897,8 +897,8 @@ out_unlock_bh:
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 @@ static void neigh_hh_init(struct neighbour *n, struct dst_entry *dst,
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 @@ int neigh_compat_output(struct sk_buff *skb)
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 @@ int neigh_resolve_output(struct sk_buff *skb)
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);

36
net/ethernet/eth.c
View file

@ -75,8 +75,9 @@ __setup("ether=", netdev_boot_setup);
* 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 @@ int eth_header(struct sk_buff *skb, struct net_device *dev, unsigned short type,
return -ETH_HLEN;
}
EXPORT_SYMBOL(eth_header);
/**
* eth_rebuild_header- rebuild the Ethernet MAC header.
@ -141,6 +143,7 @@ int eth_rebuild_header(struct sk_buff *skb)
return 0;
}
EXPORT_SYMBOL(eth_rebuild_header);
/**
* eth_type_trans - determine the packet's protocol ID.
@ -207,12 +210,13 @@ EXPORT_SYMBOL(eth_type_trans);
* @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 @@ static int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr)
* @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 @@ int eth_header_cache(struct neighbour *neigh, struct hh_cache *hh)
hh->hh_len = ETH_HLEN;
return 0;
}
EXPORT_SYMBOL(eth_header_cache);
/**
* eth_header_cache_update - update cache entry
@ -247,12 +252,14 @@ int eth_header_cache(struct neighbour *neigh, struct hh_cache *hh)
*
* 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 @@ static int eth_change_mtu(struct net_device *dev, int new_mtu)
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 @@ static int eth_change_mtu(struct net_device *dev, int new_mtu)
*/
void ether_setup(struct net_device *dev)
{
dev->header_ops = &eth_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;

6
net/ipv4/arp.c
View file

@ -253,7 +253,7 @@ static int arp_constructor(struct neighbour *neigh)
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 @@ static int arp_constructor(struct neighbour *neigh)
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

13
net/ipv4/ip_gre.c
View file

@ -684,7 +684,7 @@ static int ipgre_tunnel_xmit(struct sk_buff *skb, struct net_device *dev)
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_tunnel_change_mtu(struct net_device *dev, int new_mtu)
*/
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 @@ static int ipgre_header(struct sk_buff *skb, struct net_device *dev, unsigned sh
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 @@ static int ipgre_tunnel_init(struct net_device *dev)
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;
}

2
net/ipv4/ip_output.c
View file

@ -169,7 +169,7 @@ static inline int ip_finish_output2(struct sk_buff *skb)
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));

6
net/ipv6/ndisc.c
View file

@ -354,7 +354,7 @@ static int ndisc_constructor(struct neighbour *neigh)
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 @@ static int ndisc_constructor(struct neighbour *neigh)
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 @@ static void ndisc_recv_ns(struct sk_buff *skb)
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);

12
net/mac80211/ieee80211.c
View file

@ -228,7 +228,6 @@ void ieee80211_if_mgmt_setup(struct net_device *dev)
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 @@ static void ieee80211_set_multicast_list(struct net_device *dev)
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 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len,
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;

14
net/netrom/nr_dev.c
View file

@ -95,8 +95,9 @@ static int nr_rebuild_header(struct sk_buff *skb)
#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 @@ static struct net_device_stats *nr_get_stats(struct net_device *dev)
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 @@ void nr_setup(struct net_device *dev)
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. */

6
net/packet/af_packet.c
View file

@ -389,7 +389,7 @@ static int packet_sendmsg_spkt(struct kiocb *iocb, struct socket *sock,
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 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev, struct packet
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 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev, struct packe
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) {

13
net/rose/rose_dev.c
View file

@ -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. */

6
net/sched/sch_teql.c
View file

@ -249,10 +249,10 @@ __teql_resolve(struct sk_buff *skb, struct sk_buff *skb_res, struct net_device *
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;