#define ETH_ZLEN 60 /* Min. octets in frame sans FCS */
#define ETH_DATA_LEN 1500 /* Max. octets in payload */
#define ETH_FRAME_LEN 1514 /* Max. octets in frame sans FCS */
+#define ETH_FCS_LEN 4 /* Octets in the FCS */
/*
* These are the defined Ethernet Protocol ID's.
return (struct ethhdr *)skb_mac_header(skb);
}
+int eth_header_parse(const struct sk_buff *skb, unsigned char *haddr);
+
#ifdef CONFIG_SYSCTL
extern struct ctl_table ether_table[];
#endif
+
+/*
+ * Display a 6 byte device address (MAC) in a readable format.
+ */
+#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
+
#endif
#endif /* _LINUX_IF_ETHER_H */