/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2016 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
*/
#ifndef _NET_IF_ARP_H_
-#define _NET_IF_ARP_H_
+#define _NET_IF_ARP_H_
+#include <stdint.h>
#include <sys/appleapiopts.h>
#include <netinet/in.h>
* arp_tha and arp_tpa in that order, according to the lengths
* specified. Field names used correspond to RFC 826.
*/
-struct arphdr {
- u_short ar_hrd; /* format of hardware address */
-#define ARPHRD_ETHER 1 /* ethernet hardware format */
-#define ARPHRD_IEEE802 6 /* token-ring hardware format */
-#define ARPHRD_FRELAY 15 /* frame relay hardware format */
-#define ARPHRD_IEEE1394 24 /* IEEE1394 hardware address */
+struct arphdr {
+ u_short ar_hrd; /* format of hardware address */
+#define ARPHRD_ETHER 1 /* ethernet hardware format */
+#define ARPHRD_IEEE802 6 /* token-ring hardware format */
+#define ARPHRD_FRELAY 15 /* frame relay hardware format */
+#define ARPHRD_IEEE1394 24 /* IEEE1394 hardware address */
#define ARPHRD_IEEE1394_EUI64 27 /* IEEE1394 EUI-64 */
- u_short ar_pro; /* format of protocol address */
- u_char ar_hln; /* length of hardware address */
- u_char ar_pln; /* length of protocol address */
- u_short ar_op; /* one of: */
-#define ARPOP_REQUEST 1 /* request to resolve address */
-#define ARPOP_REPLY 2 /* response to previous request */
-#define ARPOP_REVREQUEST 3 /* request protocol address given hardware */
-#define ARPOP_REVREPLY 4 /* response giving protocol address */
-#define ARPOP_INVREQUEST 8 /* request to identify peer */
-#define ARPOP_INVREPLY 9 /* response identifying peer */
+ u_short ar_pro; /* format of protocol address */
+ u_char ar_hln; /* length of hardware address */
+ u_char ar_pln; /* length of protocol address */
+ u_short ar_op; /* one of: */
+#define ARPOP_REQUEST 1 /* request to resolve address */
+#define ARPOP_REPLY 2 /* response to previous request */
+#define ARPOP_REVREQUEST 3 /* request protocol address given hardware */
+#define ARPOP_REVREPLY 4 /* response giving protocol address */
+#define ARPOP_INVREQUEST 8 /* request to identify peer */
+#define ARPOP_INVREPLY 9 /* response identifying peer */
/*
* The remaining fields are variable in size,
* according to the sizes above.
*/
#ifdef COMMENT_ONLY
- u_char ar_sha[]; /* sender hardware address */
- u_char ar_spa[]; /* sender protocol address */
- u_char ar_tha[]; /* target hardware address */
- u_char ar_tpa[]; /* target protocol address */
+ u_char ar_sha[]; /* sender hardware address */
+ u_char ar_spa[]; /* sender protocol address */
+ u_char ar_tha[]; /* target hardware address */
+ u_char ar_tpa[]; /* target protocol address */
#endif
};
* ARP ioctl request
*/
struct arpreq {
- struct sockaddr arp_pa; /* protocol address */
- struct sockaddr arp_ha; /* hardware address */
- int arp_flags; /* flags */
+ struct sockaddr arp_pa; /* protocol address */
+ struct sockaddr arp_ha; /* hardware address */
+ int arp_flags; /* flags */
};
/* arp_flags and at_flags field values */
-#define ATF_INUSE 0x01 /* entry in use */
-#define ATF_COM 0x02 /* completed entry (enaddr valid) */
-#define ATF_PERM 0x04 /* permanent entry */
-#define ATF_PUBL 0x08 /* publish entry (respond for other host) */
-#define ATF_USETRAILERS 0x10 /* has requested trailers */
+#define ATF_INUSE 0x01 /* entry in use */
+#define ATF_COM 0x02 /* completed entry (enaddr valid) */
+#define ATF_PERM 0x04 /* permanent entry */
+#define ATF_PUBL 0x08 /* publish entry (respond for other host) */
+#define ATF_USETRAILERS 0x10 /* has requested trailers */
+
+struct arpstat {
+ /* Normal things that happen: */
+ uint32_t txrequests; /* # of ARP requests sent by this host. */
+ uint32_t txreplies; /* # of ARP replies sent by this host. */
+ uint32_t txannounces; /* # of ARP announcements sent by this host. */
+ uint32_t rxrequests; /* # of ARP requests received by this host. */
+ uint32_t rxreplies; /* # of ARP replies received by this host. */
+ uint32_t received; /* # of ARP packets received by this host. */
+
+ /* Abnormal event and error counting: */
+ uint32_t txconflicts; /* # of ARP conflict probes sent */
+ uint32_t invalidreqs; /* # of invalid ARP resolve requests */
+ uint32_t reqnobufs; /* # of failed requests due to no memory */
+ uint32_t dropped; /* # of packets dropped waiting for a reply. */
+ uint32_t purged; /* # of packets purged while removing entries */
+ uint32_t timeouts; /* # of times with entries removed */
+ /* due to timeout. */
+ uint32_t dupips; /* # of duplicate IPs detected. */
+
+ /* General statistics */
+ uint32_t inuse; /* # of ARP entries in routing table */
+ uint32_t txurequests; /* # of ARP requests sent (unicast) */
+ uint32_t held; /* # of packets held waiting for a reply */
+};
+
+#ifdef BSD_KERNEL_PRIVATE
+extern struct arpstat arpstat;
+#endif /* BSD_KERNEL_PRIVATE */
#endif /* !_NET_IF_ARP_H_ */
projects / apple / xnu.git / blobdiff