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-rw-r--r--include/linux/if_ether.h8
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
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