+++ /dev/null
-/*
- * From FreeBSD 2.2.7: Fundamental constants relating to ethernet.
- *
- * Copyright 2007, 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.
- *
- */
-
-#ifndef _NET_ETHERNET_H_ /* use native BSD ethernet.h when available */
-#define _NET_ETHERNET_H_
-
-#ifndef _TYPEDEFS_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.
- */
-#define ETHER_ADDR_LEN 6
-
-/*
- * The number of bytes in the type field.
- */
-#define ETHER_TYPE_LEN 2
-
-/*
- * The number of bytes in the trailing CRC field.
- */
-#define ETHER_CRC_LEN 4
-
-/*
- * The length of the combined header.
- */
-#define ETHER_HDR_LEN (ETHER_ADDR_LEN * 2 + ETHER_TYPE_LEN)
-
-/*
- * The minimum packet length.
- */
-#define ETHER_MIN_LEN 64
-
-/*
- * The minimum packet user data length.
- */
-#define ETHER_MIN_DATA 46
-
-/*
- * The maximum packet length.
- */
-#define ETHER_MAX_LEN 1518
-
-/*
- * The maximum packet user data length.
- */
-#define ETHER_MAX_DATA 1500
-
-/* ether types */
-#define ETHER_TYPE_MIN 0x0600 /* Anything less than MIN is a length */
-#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
-
-/* 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 * ETHER_ADDR_LEN) /* dest address offset */
-#define ETHER_SRC_OFFSET (1 * ETHER_ADDR_LEN) /* src address offset */
-#define ETHER_TYPE_OFFSET (2 * ETHER_ADDR_LEN) /* 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 __INCif_etherh /* Quick and ugly hack for VxWorks */
-/*
- * Structure of a 10Mb/s Ethernet header.
- */
-struct ether_header {
- uint8 ether_dhost[ETHER_ADDR_LEN];
- uint8 ether_shost[ETHER_ADDR_LEN];
- uint16 ether_type;
-} PACKED;
-
-/*
- * Structure of a 48-bit Ethernet address.
- */
-struct ether_addr {
- uint8 octet[ETHER_ADDR_LEN];
-} PACKED;
-#endif /* !__INCif_etherh Quick and ugly hack for VxWorks */
-
-/*
- * Takes a pointer, set, test, clear, toggle locally admininistered
- * address bit in the 48-bit Ethernet address.
- */
-#define ETHER_SET_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] | 2))
-#define ETHER_IS_LOCALADDR(ea) (((uint8 *)(ea))[0] & 2)
-#define ETHER_CLR_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] & 0xd))
-#define ETHER_TOGGLE_LOCALADDR(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] ^ 2))
-
-/* Takes a pointer, marks unicast address bit in the MAC address */
-#define ETHER_SET_UNICAST(ea) (((uint8 *)(ea))[0] = (((uint8 *)(ea))[0] & ~1))
-
-/*
- * Takes a pointer, returns true if a 48-bit multicast address
- * (including broadcast, since it is all ones)
- */
-#define ETHER_ISMULTI(ea) (((const 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)
- */
-#define ETHER_ISBCAST(ea) ((((uint8 *)(ea))[0] & \
- ((uint8 *)(ea))[1] & \
- ((uint8 *)(ea))[2] & \
- ((uint8 *)(ea))[3] & \
- ((uint8 *)(ea))[4] & \
- ((uint8 *)(ea))[5]) == 0xff)
-
-static const struct ether_addr ether_bcast = {{255, 255, 255, 255, 255, 255}};
-static const struct ether_addr ether_null = {{0, 0, 0, 0, 0, 0}};
-
-/*
- * Takes a pointer, returns true if a 48-bit null address (all zeros)
- */
-#define ETHER_ISNULLADDR(ea) ((((uint8 *)(ea))[0] | \
- ((uint8 *)(ea))[1] | \
- ((uint8 *)(ea))[2] | \
- ((uint8 *)(ea))[3] | \
- ((uint8 *)(ea))[4] | \
- ((uint8 *)(ea))[5]) == 0)
-
-#undef PACKED
-#if !defined(__GNUC__)
-#pragma pack()
-#endif
-
-#endif /* _NET_ETHERNET_H_ */
projects / openwrt / staging / florian.git / blobdiff