diff options
Diffstat (limited to 'package/wlcompat/src/include/proto/ethernet.h')
| -rw-r--r-- | package/wlcompat/src/include/proto/ethernet.h | 118 |
1 files changed, 52 insertions, 66 deletions
diff --git a/package/wlcompat/src/include/proto/ethernet.h b/package/wlcompat/src/include/proto/ethernet.h index 173464af6..38313ce52 100644 --- a/package/wlcompat/src/include/proto/ethernet.h +++ b/package/wlcompat/src/include/proto/ethernet.h @@ -1,14 +1,16 @@ -/******************************************************************************* - * $Id$ - * 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_ @@ -17,111 +19,80 @@ #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. @@ -130,16 +101,21 @@ struct ether_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 @@ -147,6 +123,18 @@ struct ether_addr { */ #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) */ @@ -169,11 +157,9 @@ static const struct ether_addr ether_bcast = {{255, 255, 255, 255, 255, 255}}; ((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_ */ |