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- /*
- * INET An implementation of the TCP/IP protocol suite for the LINUX
- * operating system. INET is implemented using the BSD Socket
- * interface as the means of communication with the user level.
- *
- * Definitions for the ARP protocol module.
- *
- * Version: @(#)arp.h 1.0.6 05/21/93
- *
- * Authors: Ross Biro, <bir7@leland.Stanford.Edu>
- * Fred N. van Kempen, <waltje@uWalt.NL.Mugnet.ORG>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
- #ifndef _ARP_H
- #define _ARP_H
-
- #define ARP_TABLE_SIZE 16 /* size of ARP table */
- #define ARP_TIMEOUT 30000 /* five minutes */
- #define ARP_RES_TIME 250 /* 2.5 seconds */
-
- #define ARP_MAX_TRIES 3 /* max # of tries to send ARP */
- #define ARP_QUEUE_MAGIC 0x0432447A /* magic # for queues */
-
-
- /* This structure defines the ARP mapping cache. */
- struct arp_table {
- struct arp_table *next;
- volatile unsigned long last_used;
- unsigned int flags;
- #if 1
- unsigned long ip;
- #else
- unsigned char pa[MAX_ADDR_LEN];
- unsigned char plen;
- unsigned char ptype;
- #endif
- unsigned char ha[MAX_ADDR_LEN];
- unsigned char hlen;
- unsigned char htype;
- };
-
-
- /* This is also used in "sock.c" and "tcp.c" - YUCK! - FvK */
- extern struct sk_buff *arp_q;
-
-
- extern void arp_destroy(unsigned long paddr);
- extern int arp_rcv(struct sk_buff *skb, struct device *dev,
- struct packet_type *pt);
- extern int arp_find(unsigned char *haddr, unsigned long paddr,
- struct device *dev, unsigned long saddr);
- extern void arp_add(unsigned long addr, unsigned char *haddr,
- struct device *dev);
- extern void arp_add_broad(unsigned long addr, struct device *dev);
- extern void arp_queue(struct sk_buff *skb);
- extern int arp_get_info(char *buffer);
- extern int arp_ioctl(unsigned int cmd, void *arg);
- extern void arp_destroy_maybe(unsigned long paddr);
-
- #endif /* _ARP_H */
-