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

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)

10
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,
@ -317,7 +316,10 @@ static struct hdlc_proto proto = {
.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 @@ 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;