1 files changed, 6 insertions, 2 deletions

diff --git a/include/linux/if_ether.h b/include/linux/if_ether.h
index 5f9297793661..e157c1399b61 100644
--- a/include/linux/if_ether.h
+++ b/include/linux/if_ether.h
@@ -90,6 +90,7 @@
 #define ETH_P_WAN_PPP   0x0007          /* Dummy type for WAN PPP frames*/
 #define ETH_P_PPP_MP    0x0008          /* Dummy type for PPP MP frames */
 #define ETH_P_LOCALTALK 0x0009          /* Localtalk pseudo type        */
+#define ETH_P_CAN       0x000C          /* Controller Area Network      */
 #define ETH_P_PPPTALK   0x0010          /* Dummy type for Atalk over PPP*/
 #define ETH_P_TR_802_2  0x0011          /* 802.2 frames                 */
 #define ETH_P_MOBITEX   0x0015          /* Mobitex (kaz@cafe.net)       */
@@ -123,12 +124,15 @@ int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
 extern struct ctl_table ether_table[];
 #endif
 
+extern ssize_t sysfs_format_mac(char *buf, const unsigned char *addr, int len);
+
 /*
  *      Display a 6 byte device address (MAC) in a readable format.
  */
+extern char *print_mac(char *buf, const unsigned char *addr);
 #define MAC_FMT "%02x:%02x:%02x:%02x:%02x:%02x"
-extern char *print_mac(char *buf, const u8 *addr);
-#define DECLARE_MAC_BUF(var) char var[18] __maybe_unused
+#define MAC_BUF_SIZE    18
+#define DECLARE_MAC_BUF(var) char var[MAC_BUF_SIZE] __maybe_unused
 
 #endif