xnu-2782.30.5.tar.gz

[apple/xnu.git] / bsd / net / if_arp.h

diff --git a/bsd/net/if_arp.h b/bsd/net/if_arp.h
index 24caabe6323f7a08216bfeb962b69bde0aea262a..5ea11325385da76393081cbc9fa13e0f06963295 100644 (file)
--- a/bsd/net/if_arp.h
+++ b/bsd/net/if_arp.h
@@ -1,23 +1,29 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License").  You may not use this file except in compliance with the
- * License.  Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * 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
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * 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.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Copyright (c) 1986, 1993
@@ -57,6 +63,7 @@
 
 #ifndef _NET_IF_ARP_H_
 #define        _NET_IF_ARP_H_
+#include <stdint.h>
 #include <sys/appleapiopts.h>
 #include <netinet/in.h>
 
@@ -114,4 +121,32 @@ struct arpreq {
 #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) */
+};
+
+#ifdef BSD_KERNEL_PRIVATE
+extern struct arpstat arpstat;
+#endif /* BSD_KERNEL_PRIVATE */
+
 #endif /* !_NET_IF_ARP_H_ */