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  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * MacOSX Mace driver
  24  * Defines and device state
  25  * Dieter Siegmund (dieter@next.com) Thu Feb 27 18:25:33 PST 1997
  26  * - ripped off code from MK/LINUX
  27  */
  28
  29 #define PG_SIZE         0x1000UL
  30 #define PG_MASK         (PG_SIZE - 1UL)
  31
  32 #define ETHERMTU                1500
  33 #define ETHER_RX_NUM_DBDMA_BUFS 32
  34 #define ETHERNET_BUF_SIZE       (ETHERMTU + 36)
  35 #define ETHER_MIN_PACKET        64
  36 #define TX_NUM_DBDMA            6
  37
  38 #define DBDMA_ETHERNET_EOP      0x40
  39
  40 typedef struct mace_s {
  41     struct arpcom               en_arpcom;
  42     struct mace_board *         ereg;   /* ethernet register set address */
  43     unsigned char               macaddr[NUM_EN_ADDR_BYTES]; /* mac address */
  44     int                         chip_id;
  45     dbdma_command_t             *rv_dma;
  46     dbdma_command_t             *tx_dma;
  47     unsigned char               *rv_dma_area;
  48     unsigned char               *tx_dma_area;
  49     unsigned char               multi_mask[8]; /* Multicast mask */
  50     unsigned char               multi_use[64]; /* Per-mask-bit use count */
  51     int                         rv_tail;
  52     int                         rv_head;
  53     int                         tx_busy;
  54     int                         txintr;
  55     int                         rxintr;
  56     int                         txwatchdog;
  57     int                         ready;
  58     int                         promisc;        /* IFF_PROMISC state */
  59 } mace_t;
  60