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netdev: expose ethernet address primitives

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When ethernet devices are converted, the function pointer setup
by eth_setup() need to be done during intialization.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger 2008-11-19 22:42:31 -08:00 committed by David S. Miller
parent eeda3fd64f
commit ccad637b0c
3 changed files with 14 additions and 7 deletions
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4
drivers/usb/gadget/u_ether.c
View file

@ -146,7 +146,7 @@ static inline int qlen(struct usb_gadget *gadget)
/* NETWORK DRIVER HOOKUP (to the layer above this driver) */
static int eth_change_mtu(struct net_device *net, int new_mtu)
static int ueth_change_mtu(struct net_device *net, int new_mtu)
{
struct eth_dev *dev = netdev_priv(net);
unsigned long flags;
@ -764,7 +764,7 @@ int __init gether_setup(struct usb_gadget *g, u8 ethaddr[ETH_ALEN])
if (ethaddr)
memcpy(ethaddr, dev->host_mac, ETH_ALEN);
net->change_mtu = eth_change_mtu;
net->change_mtu = ueth_change_mtu;
net->hard_start_xmit = eth_start_xmit;
net->open = eth_open;
net->stop = eth_stop;

4
include/linux/etherdevice.h
View file

@ -41,6 +41,10 @@ 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 int eth_mac_addr(struct net_device *dev, void *p);
extern int eth_change_mtu(struct net_device *dev, int new_mtu);
extern int eth_validate_addr(struct net_device *dev);
extern struct net_device *alloc_etherdev_mq(int sizeof_priv, unsigned int queue_count);

13
net/ethernet/eth.c
View file

@ -282,7 +282,7 @@ EXPORT_SYMBOL(eth_header_cache_update);
* This doesn't change hardware matching, so needs to be overridden
* for most real devices.
*/
static int eth_mac_addr(struct net_device *dev, void *p)
int eth_mac_addr(struct net_device *dev, void *p)
{
struct sockaddr *addr = p;
@ -293,6 +293,7 @@ static int eth_mac_addr(struct net_device *dev, void *p)
memcpy(dev->dev_addr, addr->sa_data, ETH_ALEN);
return 0;
}
EXPORT_SYMBOL(eth_mac_addr);
/**
* eth_change_mtu - set new MTU size
@ -302,21 +303,23 @@ static int eth_mac_addr(struct net_device *dev, void *p)
* Allow changing MTU size. Needs to be overridden for devices
* supporting jumbo frames.
*/
static int eth_change_mtu(struct net_device *dev, int new_mtu)
int eth_change_mtu(struct net_device *dev, int new_mtu)
{
if (new_mtu < 68 || new_mtu > ETH_DATA_LEN)
return -EINVAL;
dev->mtu = new_mtu;
return 0;
}
EXPORT_SYMBOL(eth_change_mtu);
static int eth_validate_addr(struct net_device *dev)
int eth_validate_addr(struct net_device *dev)
{
if (!is_valid_ether_addr(dev->dev_addr))
return -EADDRNOTAVAIL;
return 0;
}
EXPORT_SYMBOL(eth_validate_addr);
const struct header_ops eth_header_ops ____cacheline_aligned = {
.create = eth_header,
@ -334,11 +337,11 @@ const struct header_ops eth_header_ops ____cacheline_aligned = {
void ether_setup(struct net_device *dev)
{
dev->header_ops = &eth_header_ops;
#ifdef CONFIG_COMPAT_NET_DEV_OPS
dev->change_mtu = eth_change_mtu;
dev->set_mac_address = eth_mac_addr;
dev->validate_addr = eth_validate_addr;
#endif
dev->type = ARPHRD_ETHER;
dev->hard_header_len = ETH_HLEN;
dev->mtu = ETH_DATA_LEN;