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Annotation of XNU/bsd/if/ppc/if_en.h, revision 1.1

1.1     ! root        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 ([email protected]) 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: 

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