From ccad637b0c57de1825ffd34c311bf71487545ac2 Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Wed, 19 Nov 2008 22:42:31 -0800 Subject: [PATCH] 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 Signed-off-by: David S. Miller --- drivers/usb/gadget/u_ether.c | 4 ++-- include/linux/etherdevice.h | 4 ++++ net/ethernet/eth.c | 13 ++++++++----- 3 files changed, 14 insertions(+), 7 deletions(-) diff --git a/drivers/usb/gadget/u_ether.c b/drivers/usb/gadget/u_ether.c index 00fa5239879..d9739d52f8f 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 25d62e6e329..0e5e9706003 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 b9d85af2dd3..a87a171d991 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 = ð_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; -- 2.41.1