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Annotation of XNU/bsd/if/ppc/if_en.h, revision 1.1.1.1

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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