text: #ifndef __LINUX_ETHERDEVICE_WRAPPER_H
  #define __LINUX_ETHERDEVICE_WRAPPER_H 1
  
  #include <linux/version.h>
  #include_next <linux/etherdevice.h>
  
  #ifndef HAVE_ETH_HW_ADDR_RANDOM
  #if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,36)
  static inline void eth_hw_addr_random(struct net_device *dev)
  {
  	random_ether_addr(dev->dev_addr);
  }
  #elif LINUX_VERSION_CODE < KERNEL_VERSION(3,4,0)
  static inline void eth_hw_addr_random(struct net_device *dev)
  {
  	dev_hw_addr_random(dev, dev->dev_addr);
  }
  #endif
  #endif
  
  #endif
  