X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Flinux%2Fif_arp.h;h=e80b7f88f7c6cda4c2cb8e42c0675b868124afc7;hb=136cfa28615ccce0f9374811480e0b81c4191ea5;hp=7f5714214ee35e787aa77dfbd3b8cf63d21ca620;hpb=bd6d610a14f2ed896b76dfb61fbdec829e44b8d3;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/linux/if_arp.h b/include/linux/if_arp.h
index 7f57142..e80b7f8 100644
--- a/include/linux/if_arp.h
+++ b/include/linux/if_arp.h
@@ -52,6 +52,7 @@
 #define ARPHRD_ROSE	270
 #define ARPHRD_X25	271		/* CCITT X.25			*/
 #define ARPHRD_HWX25	272		/* Boards with X.25 in firmware	*/
+#define ARPHRD_CAN	280		/* Controller Area Network      */
 #define ARPHRD_PPP	512
 #define ARPHRD_CISCO	513		/* Cisco HDLC	 		*/
 #define ARPHRD_HDLC	ARPHRD_CISCO
@@ -85,6 +86,10 @@
 #define ARPHRD_IEEE80211 801		/* IEEE 802.11			*/
 #define ARPHRD_IEEE80211_PRISM 802	/* IEEE 802.11 + Prism2 header  */
 #define ARPHRD_IEEE80211_RADIOTAP 803	/* IEEE 802.11 + radiotap header */
+#define ARPHRD_IEEE802154	  804
+
+#define ARPHRD_PHONET	820		/* PhoNet media type		*/
+#define ARPHRD_PHONET_PIPE 821		/* PhoNet pipe header		*/
 
 #define ARPHRD_VOID	  0xFFFF	/* Void type, nothing is known */
 #define ARPHRD_NONE	  0xFFFE	/* zero header length */
@@ -128,8 +133,7 @@ struct arpreq_old {
  *	This structure defines an ethernet arp header.
  */
 
-struct arphdr
-{
+struct arphdr {
 	__be16		ar_hrd;		/* format of hardware address	*/
 	__be16		ar_pro;		/* format of protocol address	*/
 	unsigned char	ar_hln;		/* length of hardware address	*/
@@ -148,4 +152,19 @@ struct arphdr
 
 };
 
+#ifdef __KERNEL__
+#include <linux/skbuff.h>
+
+static inline struct arphdr *arp_hdr(const struct sk_buff *skb)
+{
+	return (struct arphdr *)skb_network_header(skb);
+}
+
+static inline int arp_hdr_len(struct net_device *dev)
+{
+	/* ARP header, plus 2 device addresses, plus 2 IP addresses. */
+	return sizeof(struct arphdr) + (dev->addr_len + sizeof(u32)) * 2;
+}
+#endif
+
 #endif	/* _LINUX_IF_ARP_H */