xnu-3248.40.184.tar.gz

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

diff --git a/bsd/net/ethernet.h b/bsd/net/ethernet.h
index a053dd85339c91a3fae8c6d0a3c5b17180bfa72a..aea52bc2041bbf22692c0776a5b8f5c5dae188b9 100644 (file)
--- a/bsd/net/ethernet.h
+++ b/bsd/net/ethernet.h
@@ -1,31 +1,29 @@
 /*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
+ * Copyright (c) 2000-2010 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
- * @APPLE_LICENSE_OSREFERENCE_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
+ * 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 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.
- *
- * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * Fundamental constants relating to ethernet.
@@ -35,6 +33,7 @@
 #ifndef _NET_ETHERNET_H_
 #define _NET_ETHERNET_H_
 #include <sys/appleapiopts.h>
+#include <sys/types.h>         /* u_ types */
 
 /*
  * The number of bytes in an ethernet (MAC) address.
@@ -66,6 +65,14 @@
  */
 #define        ETHER_MAX_LEN           1518
 
+/*
+ * Mbuf adjust factor to force 32-bit alignment of IP header.
+ * Drivers should do m_adj(m, ETHER_ALIGN) when setting up a
+ * receive so the upper layers get the IP header properly aligned
+ * past the 14-byte Ethernet header.
+ */
+#define ETHER_ALIGN             2       /* driver adjust for IP hdr alignment */
+
 /*
  * A macro to validate a length with
  */
@@ -96,6 +103,8 @@ struct       ether_addr {
 #define ETHERTYPE_REVARP       0x8035  /* reverse Addr. resolution protocol */
 #define        ETHERTYPE_VLAN          0x8100  /* IEEE 802.1Q VLAN tagging */
 #define ETHERTYPE_IPV6         0x86dd  /* IPv6 */
+#define ETHERTYPE_PAE          0x888e  /* EAPOL PAE/802.1x */
+#define ETHERTYPE_RSN_PREAUTH  0x88c7  /* 802.11i / RSN Pre-Authentication */
 #define        ETHERTYPE_LOOPBACK      0x9000  /* used to test interfaces */
 /* XXX - add more useful types here */
 
@@ -119,7 +128,26 @@ struct     ether_addr *ether_aton(const char *);
 
 #ifdef BSD_KERNEL_PRIVATE
 extern u_char  etherbroadcastaddr[ETHER_ADDR_LEN];
-#endif
+
+
+static __inline__ int
+_ether_cmp(const void * a, const void * b)
+{
+       const u_int16_t * a_s = (const u_int16_t *)a;
+       const u_int16_t * b_s = (const u_int16_t *)b;
+       
+       if (a_s[0] != b_s[0]
+               || a_s[1] != b_s[1]
+               || a_s[2] != b_s[2]) {
+               return (1);
+       }
+       return (0);
+}
+
+#endif /* BSD_KERNEL_PRIVATE */
+
+#define ETHER_IS_MULTICAST(addr) (*(addr) & 0x01) /* is address mcast/bcast? */
+
 #endif /* KERNEL_PRIVATE */
 
 #ifndef KERNEL