netdev: expose ethernet address primitives

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>

3 files changed, 14 insertions, 7 deletions

diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c
index 00fa5239879d..d9739d52f8f5 100644
--- a/drivers/usb/gadget/u_ether.c
+++ b/drivers/usb/gadget/u_ether.c
@@ -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;
diff --git a/include/linux/etherdevice.h b/include/linux/etherdevice.h
index 25d62e6e3290..0e5e97060034 100644
--- a/include/linux/etherdevice.h
+++ b/include/linux/etherdevice.h
@@ -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);
diff --git a/net/ethernet/eth.c b/net/ethernet/eth.c
index b9d85af2dd31..a87a171d9914 100644
--- a/net/ethernet/eth.c
+++ b/net/ethernet/eth.c
@@ -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;