bsd/if/ppc/if_en.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * MacOSX Mace driver
  27  * Defines and device state
  28  * Dieter Siegmund (dieter@next.com) Thu Feb 27 18:25:33 PST 1997
  29  * - ripped off code from MK/LINUX
  30  */
  31
  32 #define PG_SIZE         0x1000UL
  33 #define PG_MASK         (PG_SIZE - 1UL)
  34
  35 #define ETHERMTU                1500
  36 #define ETHER_RX_NUM_DBDMA_BUFS 32
  37 #define ETHERNET_BUF_SIZE       (ETHERMTU + 36)
  38 #define ETHER_MIN_PACKET        64
  39 #define TX_NUM_DBDMA            6
  40
  41 #define DBDMA_ETHERNET_EOP      0x40
  42
  43 typedef struct mace_s {
  44     struct arpcom               en_arpcom;
  45     struct mace_board *         ereg;   /* ethernet register set address */
  46     unsigned char               macaddr[NUM_EN_ADDR_BYTES]; /* mac address */
  47     int                         chip_id;
  48     dbdma_command_t             *rv_dma;
  49     dbdma_command_t             *tx_dma;
  50     unsigned char               *rv_dma_area;
  51     unsigned char               *tx_dma_area;
  52     unsigned char               multi_mask[8]; /* Multicast mask */
  53     unsigned char               multi_use[64]; /* Per-mask-bit use count */
  54     int                         rv_tail;
  55     int                         rv_head;
  56     int                         tx_busy;
  57     int                         txintr;
  58     int                         rxintr;
  59     int                         txwatchdog;
  60     int                         ready;
  61     int                         promisc;        /* IFF_PROMISC state */
  62 } mace_t;
  63