-/*******************************************************************************
- * $Id$
- * Copyright 2004, Broadcom Corporation
- * All Rights Reserved.
- *
- * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
- * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
- * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
- * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+/*
* From FreeBSD 2.2.7: Fundamental constants relating to ethernet.
- ******************************************************************************/
+ *
+ * Copyright 2006, Broadcom Corporation
+ * All Rights Reserved.
+ *
+ * THIS SOFTWARE IS OFFERED "AS IS", AND BROADCOM GRANTS NO WARRANTIES OF ANY
+ * KIND, EXPRESS OR IMPLIED, BY STATUTE, COMMUNICATION OR OTHERWISE. BROADCOM
+ * SPECIFICALLY DISCLAIMS ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A SPECIFIC PURPOSE OR NONINFRINGEMENT CONCERNING THIS SOFTWARE.
+ *
+ * $Id$
+ */
#ifndef _NET_ETHERNET_H_ /* use native BSD ethernet.h when available */
#define _NET_ETHERNET_H_
#include "typedefs.h"
#endif
+/* enable structure packing */
#if defined(__GNUC__)
#define PACKED __attribute__((packed))
#else
+#pragma pack(1)
#define PACKED
#endif
/*
* The number of bytes in an ethernet (MAC) address.
*/
-#ifndef ETHER_ADDR_LEN
#define ETHER_ADDR_LEN 6
-#endif
/*
* The number of bytes in the type field.
*/
-#ifndef ETHER_TYPE_LEN
#define ETHER_TYPE_LEN 2
-#endif
/*
* The number of bytes in the trailing CRC field.
*/
-#ifndef ETHER_CRC_LEN
#define ETHER_CRC_LEN 4
-#endif
/*
* The length of the combined header.
*/
-#ifndef ETHER_HDR_LEN
#define ETHER_HDR_LEN (ETHER_ADDR_LEN*2+ETHER_TYPE_LEN)
-#endif
/*
* The minimum packet length.
*/
-#ifndef ETHER_MIN_LEN
#define ETHER_MIN_LEN 64
-#endif
/*
* The minimum packet user data length.
*/
-#ifndef ETHER_MIN_DATA
#define ETHER_MIN_DATA 46
-#endif
/*
* The maximum packet length.
*/
-#ifndef ETHER_MAX_LEN
#define ETHER_MAX_LEN 1518
-#endif
/*
* The maximum packet user data length.
*/
#define ETHER_MAX_DATA 1500
-/*
- * Used to uniquely identify a 802.1q VLAN-tagged header.
- */
-#define VLAN_TAG 0x8100
-
-/*
- * Located after dest & src address in ether header.
- */
-#define VLAN_FIELDS_OFFSET (ETHER_ADDR_LEN * 2)
-
-/*
- * 4 bytes of vlan field info.
- */
-#define VLAN_FIELDS_SIZE 4
-
-/* location of bits in 16-bit vlan fields */
-#define VLAN_PRI_SHIFT 13 /* user priority */
-#define VLAN_CFI_SHIFT 12 /* canonical format indicator bit */
-
-/* 3 bits of priority */
-#define VLAN_PRI_MASK 7
-/* 12 bits of vlan identfier (VID) */
-#define VLAN_VID_MASK 0xFFF /* VLAN identifier (VID) field */
-
-struct vlan_tags {
- uint16 tag_type; /* 0x8100 for VLAN */
- uint16 tag_control; /* prio | cfi | vid */
-} PACKED ;
-
-/* 802.1X ethertype */
-
+/* ether types */
#define ETHER_TYPE_IP 0x0800 /* IP */
+#define ETHER_TYPE_ARP 0x0806 /* ARP */
+#define ETHER_TYPE_8021Q 0x8100 /* 802.1Q */
#define ETHER_TYPE_BRCM 0x886c /* Broadcom Corp. */
#define ETHER_TYPE_802_1X 0x888e /* 802.1x */
+#ifdef BCMWPA2
+#define ETHER_TYPE_802_1X_PREAUTH 0x88c7 /* 802.1x preauthentication */
+#endif
-#define ETHER_BRCM_SUBTYPE_LEN 4 /* Broadcom 4byte subtype follows ethertype */
+/* Broadcom subtype follows ethertype; First 2 bytes are reserved; Next 2 are subtype; */
+#define ETHER_BRCM_SUBTYPE_LEN 4 /* Broadcom 4 byte subtype */
#define ETHER_BRCM_CRAM 0x1 /* Broadcom subtype cram protocol */
+/* ether header */
+#define ETHER_DEST_OFFSET 0 /* dest address offset */
+#define ETHER_SRC_OFFSET 6 /* src address offset */
+#define ETHER_TYPE_OFFSET 12 /* ether type offset */
+
/*
* A macro to validate a length with
*/
#define ETHER_IS_VALID_LEN(foo) \
((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN)
-#ifndef __NET_ETHERNET_H
+
#ifndef __INCif_etherh /* Quick and ugly hack for VxWorks */
/*
* Structure of a 10Mb/s Ethernet header.
uint8 ether_dhost[ETHER_ADDR_LEN];
uint8 ether_shost[ETHER_ADDR_LEN];
uint16 ether_type;
-} PACKED ;
+} PACKED;
/*
* Structure of a 48-bit Ethernet address.
*/
struct ether_addr {
uint8 octet[ETHER_ADDR_LEN];
-} PACKED ;
-#endif
-#endif
+} PACKED;
+#endif /* !__INCif_etherh Quick and ugly hack for VxWorks */
+
+/*
+ * Takes a pointer, sets locally admininistered
+ * address bit in the 48-bit Ethernet address.
+ */
+#define ETHER_SET_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] | 2))
/*
* Takes a pointer, returns true if a 48-bit multicast address
*/
#define ETHER_ISMULTI(ea) (((uint8 *)(ea))[0] & 1)
+
+/* compare two ethernet addresses - assumes the pointers can be referenced as shorts */
+#define ether_cmp(a, b) (!(((short*)a)[0] == ((short*)b)[0]) | \
+ !(((short*)a)[1] == ((short*)b)[1]) | \
+ !(((short*)a)[2] == ((short*)b)[2]))
+
+/* copy an ethernet address - assumes the pointers can be referenced as shorts */
+#define ether_copy(s, d) { \
+ ((short*)d)[0] = ((short*)s)[0]; \
+ ((short*)d)[1] = ((short*)s)[1]; \
+ ((short*)d)[2] = ((short*)s)[2]; }
+
/*
* Takes a pointer, returns true if a 48-bit broadcast (all ones)
*/
((uint8 *)(ea))[4] | \
((uint8 *)(ea))[5]) == 0)
-/* Differentiated Services Codepoint - lower 6 bits of tos in iphdr */
-#define DSCP_PRI_MASK 0x3F /* bits 0-6 */
-#define DSCP_WME_PRI_MASK 0x38 /* bits 3-6 */
-#define DSCP_WME_PRI_SHIFT 3
-
#undef PACKED
+#if !defined(__GNUC__)
+#pragma pack()
+#endif
#endif /* _NET_ETHERNET_H_ */
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