-/* if_ether.h 6.2 83/09/26 */
+/*
+ * Copyright (c) 1982, 1986 Regents of the University of California.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that the above copyright notice and this paragraph are
+ * duplicated in all such forms and that any documentation,
+ * advertising materials, and other materials related to such
+ * distribution and use acknowledge that the software was developed
+ * by the University of California, Berkeley. The name of the
+ * University may not be used to endorse or promote products derived
+ * from this software without specific prior written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
+ * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ * @(#)if_ether.h 7.3 (Berkeley) %G%
+ */
/*
* Structure of a 10Mb/s Ethernet header.
u_short ether_type;
};
-#define ETHERPUP_PUPTYPE 0x0200 /* PUP protocol */
-#define ETHERPUP_IPTYPE 0x0800 /* IP protocol */
-#define ETHERPUP_ARPTYPE 0x0806 /* Addr. resolution protocol */
+#define ETHERTYPE_PUP 0x0200 /* PUP protocol */
+#define ETHERTYPE_IP 0x0800 /* IP protocol */
+#define ETHERTYPE_ARP 0x0806 /* Addr. resolution protocol */
/*
- * The ETHERPUP_NTRAILER packet types starting at ETHERPUP_TRAIL have
- * (type-ETHERPUP_TRAIL)*512 bytes of data followed
- * by a PUP type (as given above) and then the (variable-length) header.
+ * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have
+ * (type-ETHERTYPE_TRAIL)*512 bytes of data followed
+ * by an ETHER type (as given above) and then the (variable-length) header.
*/
-#define ETHERPUP_TRAIL 0x1000 /* Trailer PUP */
-#define ETHERPUP_NTRAILER 16
+#define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */
+#define ETHERTYPE_NTRAILER 16
#define ETHERMTU 1500
#define ETHERMIN (60-14)
* RFC 826.
*/
struct ether_arp {
- u_short arp_hrd; /* format of hardware address */
-#define ARPHRD_ETHER 1 /* ethernet hardware address */
- u_short arp_pro; /* format of proto. address (ETHERPUP_IPTYPE) */
- u_char arp_hln; /* length of hardware address (6) */
- u_char arp_pln; /* length of protocol address (4) */
- u_short arp_op;
-#define ARPOP_REQUEST 1 /* request to resolve address */
-#define ARPOP_REPLY 2 /* response to previous request */
+ struct arphdr ea_hdr; /* fixed-size header */
u_char arp_sha[6]; /* sender hardware address */
u_char arp_spa[4]; /* sender protocol address */
u_char arp_tha[6]; /* target hardware address */
u_char arp_tpa[4]; /* target protocol address */
};
+#define arp_hrd ea_hdr.ar_hrd
+#define arp_pro ea_hdr.ar_pro
+#define arp_hln ea_hdr.ar_hln
+#define arp_pln ea_hdr.ar_pln
+#define arp_op ea_hdr.ar_op
+
/*
* Structure shared between the ethernet driver modules and
* begins with this structure.
*/
struct arpcom {
- struct ifnet ac_if; /* network-visible interface */
- u_char ac_enaddr[6]; /* ethernet hardware address */
- struct arpcom *ac_ac; /* link to next ether driver */
+ struct ifnet ac_if; /* network-visible interface */
+ u_char ac_enaddr[6]; /* ethernet hardware address */
+ struct in_addr ac_ipaddr; /* copy of ip address- XXX */
+};
+
+/*
+ * Internet to ethernet address resolution table.
+ */
+struct arptab {
+ struct in_addr at_iaddr; /* internet address */
+ u_char at_enaddr[6]; /* ethernet address */
+ u_char at_timer; /* minutes since last reference */
+ u_char at_flags; /* flags */
+ struct mbuf *at_hold; /* last packet until resolved/timeout */
};
#ifdef KERNEL
-u_char etherbroadcastaddr[6]; /* 6 bytes of 0xFF */
-struct in_addr arpmyaddr();
+u_char etherbroadcastaddr[6];
struct arptab *arptnew();
+char *ether_sprintf();
#endif