drivers/staging/rtl8712/ethernet.h

   1 /******************************************************************************
   2  *
   3  * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms of version 2 of the GNU General Public License as
   7  * published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  12  * more details.
  13  *
  14  * You should have received a copy of the GNU General Public License along with
  15  * this program; if not, write to the Free Software Foundation, Inc.,
  16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
  17  *
  18  * Modifications for inclusion into the Linux staging tree are
  19  * Copyright(c) 2010 Larry Finger. All rights reserved.
  20  *
  21  * Contact information:
  22  * WLAN FAE <wlanfae@realtek.com>
  23  * Larry Finger <Larry.Finger@lwfinger.net>
  24  *
  25  ******************************************************************************/
  26 #ifndef __INC_ETHERNET_H
  27 #define __INC_ETHERNET_H
  28
  29 #define ETHERNET_ADDRESS_LENGTH         6       /*!< Ethernet Address Length*/
  30 #define ETHERNET_HEADER_SIZE            14      /*!< Ethernet Header Length*/
  31 #define LLC_HEADER_SIZE                 6       /*!< LLC Header Length*/
  32 #define TYPE_LENGTH_FIELD_SIZE          2       /*!< Type/Length Size*/
  33 #define MINIMUM_ETHERNET_PACKET_SIZE    60      /*!< Min Ethernet Packet Size*/
  34 #define MAXIMUM_ETHERNET_PACKET_SIZE    1514    /*!< Max Ethernet Packet Size*/
  35
  36 /*!< Is Multicast Address? */
  37 #define RT_ETH_IS_MULTICAST(_pAddr)     ((((u8 *)(_pAddr))[0]&0x01) != 0)
  38 /*!< Is Broadcast Address? */
  39 #define RT_ETH_IS_BROADCAST(_pAddr)     (                               \
  40                         ((u8 *)(_pAddr))[0] == 0xff     &&              \
  41                         ((u8 *)(_pAddr))[1] == 0xff     &&              \
  42                         ((u8 *)(_pAddr))[2] == 0xff     &&              \
  43                         ((u8 *)(_pAddr))[3] == 0xff     &&              \
  44                         ((u8 *)(_pAddr))[4] == 0xff     &&              \
  45                         ((u8 *)(_pAddr))[5] == 0xff)
  46
  47 #endif /* #ifndef __INC_ETHERNET_H */
  48