diff options
Diffstat (limited to 'bcmdhd/dhdutil/include/proto/ethernet.h')
| -rw-r--r-- | bcmdhd/dhdutil/include/proto/ethernet.h | 184 |
1 files changed, 119 insertions, 65 deletions
diff --git a/bcmdhd/dhdutil/include/proto/ethernet.h b/bcmdhd/dhdutil/include/proto/ethernet.h index 8480bca..46c2b95 100644 --- a/bcmdhd/dhdutil/include/proto/ethernet.h +++ b/bcmdhd/dhdutil/include/proto/ethernet.h @@ -1,8 +1,8 @@ /* * From FreeBSD 2.2.7: Fundamental constants relating to ethernet. * - * Copyright (C) 1999-2012, Broadcom Corporation - * + * Copyright (C) 1999-2013, Broadcom Corporation + * * Permission to use, copy, modify, and/or distribute this software for any * purpose with or without fee is hereby granted, provided that the above * copyright notice and this permission notice appear in all copies. @@ -15,68 +15,90 @@ * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. * - * $Id: ethernet.h 309193 2012-01-19 00:03:57Z $ + * $Id: ethernet.h 384540 2013-02-12 04:28:58Z $ */ - -#ifndef _NET_ETHERNET_H_ +#ifndef _NET_ETHERNET_H_ /* use native BSD ethernet.h when available */ #define _NET_ETHERNET_H_ #ifndef _TYPEDEFS_H_ #include "typedefs.h" #endif - +/* This marks the start of a packed structure section. */ #include <packed_section_start.h> - +/* + * 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_IPV6 0x86dd /* IPv6 */ +#define ETHER_TYPE_BRCM 0x886c /* Broadcom Corp. */ +#define ETHER_TYPE_802_1X 0x888e /* 802.1x */ +#ifdef PLC +#define ETHER_TYPE_88E1 0x88e1 /* GIGLE */ +#define ETHER_TYPE_8912 0x8912 /* GIGLE */ +#define ETHER_TYPE_GIGLED 0xffff /* GIGLE */ +#endif /* PLC */ +#define ETHER_TYPE_802_1X_PREAUTH 0x88c7 /* 802.1x preauthentication */ +#define ETHER_TYPE_WAI 0x88b4 /* WAI */ +#define ETHER_TYPE_89_0D 0x890d /* 89-0d frame for TDLS */ + +#define ETHER_TYPE_PPP_SES 0x8864 /* PPPoE Session */ + +/* Broadcom subtype follows ethertype; First 2 bytes are reserved; Next 2 are subtype; */ +#define ETHER_BRCM_SUBTYPE_LEN 4 /* Broadcom 4 byte subtype */ + +/* 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 */ -#define ETHER_TYPE_MIN 0x0600 -#define ETHER_TYPE_IP 0x0800 -#define ETHER_TYPE_ARP 0x0806 -#define ETHER_TYPE_8021Q 0x8100 -#define ETHER_TYPE_IPV6 0x86dd -#define ETHER_TYPE_BRCM 0x886c -#define ETHER_TYPE_802_1X 0x888e -#define ETHER_TYPE_802_1X_PREAUTH 0x88c7 -#define ETHER_TYPE_WAI 0x88b4 -#define ETHER_TYPE_89_0D 0x890d - -#define ETHER_TYPE_IPV6 0x86dd - - -#define ETHER_BRCM_SUBTYPE_LEN 4 - - -#define ETHER_DEST_OFFSET (0 * ETHER_ADDR_LEN) -#define ETHER_SRC_OFFSET (1 * ETHER_ADDR_LEN) -#define ETHER_TYPE_OFFSET (2 * ETHER_ADDR_LEN) - - +/* + * A macro to validate a length with + */ #define ETHER_IS_VALID_LEN(foo) \ ((foo) >= ETHER_MIN_LEN && (foo) <= ETHER_MAX_LEN) @@ -89,61 +111,91 @@ ((uint8 *)ea)[5] = ((mgrp_ip) >> 0) & 0xff; \ } -#ifndef __INCif_etherh - +#ifndef __INCif_etherh /* Quick and ugly hack for VxWorks */ +/* + * Structure of a 10Mb/s Ethernet header. + */ BWL_PRE_PACKED_STRUCT struct ether_header { uint8 ether_dhost[ETHER_ADDR_LEN]; uint8 ether_shost[ETHER_ADDR_LEN]; uint16 ether_type; } BWL_POST_PACKED_STRUCT; - +/* + * Structure of a 48-bit Ethernet address. + */ BWL_PRE_PACKED_STRUCT struct ether_addr { uint8 octet[ETHER_ADDR_LEN]; } BWL_POST_PACKED_STRUCT; -#endif - +#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] & 0xfd)) #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 eacmp(a, b) ((((const uint16 *)(a))[0] ^ ((const uint16 *)(b))[0]) | \ + (((const uint16 *)(a))[1] ^ ((const uint16 *)(b))[1]) | \ + (((const uint16 *)(a))[2] ^ ((const uint16 *)(b))[2])) + +#define ether_cmp(a, b) eacmp(a, b) + +/* copy an ethernet address - assumes the pointers can be referenced as shorts */ +#define eacopy(s, d) \ +do { \ + ((uint16 *)(d))[0] = ((const uint16 *)(s))[0]; \ + ((uint16 *)(d))[1] = ((const uint16 *)(s))[1]; \ + ((uint16 *)(d))[2] = ((const uint16 *)(s))[2]; \ +} while (0) -#define ether_cmp(a, b) (!(((short*)(a))[0] == ((short*)(b))[0]) | \ - !(((short*)(a))[1] == ((short*)(b))[1]) | \ - !(((short*)(a))[2] == ((short*)(b))[2])) +#define ether_copy(s, d) eacopy(s, d) +/* Copy an ethernet address in reverse order */ +#define ether_rcopy(s, d) \ +do { \ + ((uint16 *)(d))[2] = ((uint16 *)(s))[2]; \ + ((uint16 *)(d))[1] = ((uint16 *)(s))[1]; \ + ((uint16 *)(d))[0] = ((uint16 *)(s))[0]; \ +} while (0) -#define ether_copy(s, d) { \ - ((short*)(d))[0] = ((const short*)(s))[0]; \ - ((short*)(d))[1] = ((const short*)(s))[1]; \ - ((short*)(d))[2] = ((const short*)(s))[2]; } 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}}; - -#define ETHER_ISBCAST(ea) ((((uint8 *)(ea))[0] & \ - ((uint8 *)(ea))[1] & \ - ((uint8 *)(ea))[2] & \ - ((uint8 *)(ea))[3] & \ - ((uint8 *)(ea))[4] & \ - ((uint8 *)(ea))[5]) == 0xff) -#define ETHER_ISNULLADDR(ea) ((((uint8 *)(ea))[0] | \ - ((uint8 *)(ea))[1] | \ - ((uint8 *)(ea))[2] | \ - ((uint8 *)(ea))[3] | \ - ((uint8 *)(ea))[4] | \ - ((uint8 *)(ea))[5]) == 0) - +static const struct ether_addr ether_ipv6_mcast = {{0x33, 0x33, 0x00, 0x00, 0x00, 0x01}}; + +#define ETHER_ISBCAST(ea) ((((const uint8 *)(ea))[0] & \ + ((const uint8 *)(ea))[1] & \ + ((const uint8 *)(ea))[2] & \ + ((const uint8 *)(ea))[3] & \ + ((const uint8 *)(ea))[4] & \ + ((const uint8 *)(ea))[5]) == 0xff) +#define ETHER_ISNULLADDR(ea) ((((const uint8 *)(ea))[0] | \ + ((const uint8 *)(ea))[1] | \ + ((const uint8 *)(ea))[2] | \ + ((const uint8 *)(ea))[3] | \ + ((const uint8 *)(ea))[4] | \ + ((const uint8 *)(ea))[5]) == 0) + +#define ETHER_ISNULLDEST(da) ((((const uint16 *)(da))[0] | \ + ((const uint16 *)(da))[1] | \ + ((const uint16 *)(da))[2]) == 0) +#define ETHER_ISNULLSRC(sa) ETHER_ISNULLDEST(sa) #define ETHER_MOVE_HDR(d, s) \ do { \ @@ -152,7 +204,9 @@ do { \ *(struct ether_header *)(d) = t; \ } while (0) +#define ETHER_ISUCAST(ea) ((((uint8 *)(ea))[0] & 0x01) == 0) +/* This marks the end of a packed structure section. */ #include <packed_section_end.h> -#endif +#endif /* _NET_ETHERNET_H_ */ |