static int sb1000_open(struct net_device *dev);
static int sb1000_dev_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd);
static int sb1000_start_xmit(struct sk_buff *skb, struct net_device *dev);
static int sb1000_open(struct net_device *dev);
static int sb1000_dev_ioctl (struct net_device *dev, struct ifreq *ifr, int cmd);
static int sb1000_start_xmit(struct sk_buff *skb, struct net_device *dev);