FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/elinkxlvar.h

     /*      $NetBSD: elinkxlvar.h,v 1.20 2008/04/28 20:23:49 martin Exp $   */
     
     /*-
      * Copyright (c) 1998 The NetBSD Foundation, Inc.
      * All rights reserved.
      *
      * This code is derived from software contributed to The NetBSD Foundation
      * by Frank van der Linden.
      *
     * Redistribution and use in source and binary forms, with or without
     * modification, are permitted provided that the following conditions
     * are met:
     * 1. Redistributions of source code must retain the above copyright
     *    notice, this list of conditions and the following disclaimer.
     * 2. Redistributions in binary form must reproduce the above copyright
     *    notice, this list of conditions and the following disclaimer in the
     *    documentation and/or other materials provided with the distribution.
     *
     * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     * POSSIBILITY OF SUCH DAMAGE.
     */
    
    #include "rnd.h"
    
    #if NRND > 0
    #include <sys/rnd.h>
    #endif
    
    /*
     * Ethernet software status per interface.
     */
    struct ex_softc {
            device_t sc_dev;
            void *sc_ih;
    
            struct ethercom sc_ethercom;    /* Ethernet common part         */
            bus_space_tag_t sc_iot;         /* bus cookie                   */
            bus_space_handle_t sc_ioh;      /* bus i/o handle               */
            bus_dma_tag_t sc_dmat;          /* bus dma tag */
            bus_dmamap_t sc_dpd_dmamap;
            bus_dmamap_t sc_upd_dmamap;
    #define sc_upddma       sc_upd_dmamap->dm_segs[0].ds_addr
    #define sc_dpddma       sc_dpd_dmamap->dm_segs[0].ds_addr
            struct ex_upd *sc_upd;
            struct ex_dpd *sc_dpd;
            bus_dmamap_t sc_tx_dmamaps[EX_NDPD];    /* DMA maps for DPDs    */
            bus_dmamap_t sc_rx_dmamaps[EX_NUPD];    /* DMA maps for UPDs    */
            struct ex_rxdesc sc_rxdescs[EX_NUPD];
            struct ex_txdesc sc_txdescs[EX_NDPD];
    
            struct ex_rxdesc *rx_head;
            struct ex_rxdesc *rx_tail;
    
            struct ex_txdesc *tx_head;
            struct ex_txdesc *tx_tail;
            struct ex_txdesc *tx_free;
            struct ex_txdesc *tx_ftail;
    
            int tx_start_thresh;            /* Current TX_start_thresh.     */
            int tx_succ_ok;                 /* # packets sent in sequence   */
    
            u_int ex_connectors;            /* Connectors on this card.     */
            mii_data_t ex_mii;              /* mii bus data                 */
            struct callout ex_mii_callout;  /* mii callout                  */
            u_int ex_conf;                  /* config flags */
    
    #define EX_CONF_MII             0x0001  /* has MII bus */
    #define EX_CONF_INTPHY          0x0002  /* has internal PHY */
    #define EX_CONF_90XB            0x0004  /* is 90xB */
    #define EX_CONF_INV_LED_POLARITY 0x0010 /* CardBus & MiniPCI: LED polarity */
    #define EX_CONF_PHY_POWER       0x0020  /* CardBus & MiniPCI: PHY power */
    #define EX_CONF_EEPROM_OFF      0x0040  /* EEPROM is offset by 0x30 */
    #define EX_CONF_EEPROM_8BIT     0x0080  /* 8 bit EEPROM */
    #define EX_CONF_PCI_FUNCREG     0x0100  /* Has PCI function registers */
    #define EX_CONF_RESETHACK       0x0200  /* Hack to make reset work on 556B */
    #define EX_CONF_NO_XCVR_PWR     0x0400  /* Hack to enable later 556B xcvr */
    
    #define EX_XCVR_PWR_MAGICBITS   0x0900  /* NO_XCVR_PWR magic value */
    
    
            /*
             * XXX code duplication from elink3var.h
             */
            u_int   ex_flags;               /* capabilities flag (from EEPROM) */
    #define EX_FLAGS_PNP                    0x0001
    #define EX_FLAGS_FULLDUPLEX             0x0002
    #define EX_FLAGS_LARGEPKT               0x0004  /* 4k packet support */
    #define EX_FLAGS_SLAVEDMA               0x0008
    #define EX_FLAGS_SECONDDMA              0x0010
    #define EX_FLAGS_FULLDMA                0x0020
   #define EX_FLAGS_FRAGMENTDMA            0x0040
   #define EX_FLAGS_CRC_PASSTHRU           0x0080
   #define EX_FLAGS_TXDONE                 0x0100
   #define EX_FLAGS_NO_TXLENGTH            0x0200
   #define EX_FLAGS_RXREPEAT               0x0400
   #define EX_FLAGS_SNOOPING               0x0800
   #define EX_FLAGS_100MBIT                0x1000
   #define EX_FLAGS_POWERMGMT              0x2000
   #define EX_FLAGS_ATTACHED               0x4000  /* attach has succeeded */
   
           u_char  ex_bustype;             /* parent bus type (currently unused) */
   
   #define EX_BUS_PCI      0
   #define EX_BUS_CARDBUS  1
   
   #if NRND > 0
           rndsource_element_t rnd_source;
   #endif
   
           /* power management hooks */
           int (*enable)(struct ex_softc *);
           void (*disable)(struct ex_softc *);
           int enabled;
   
           /* interrupt acknowledge hook */
           void (*intr_ack)(struct ex_softc *);
   
           bus_dma_segment_t sc_useg, sc_dseg;
           int sc_urseg, sc_drseg;
   
           short sc_if_flags;
   };
   
   #define ex_waitcmd(sc) \
           do { \
                   int stat; \
                   do { \
                           stat = bus_space_read_2((sc)->sc_iot, (sc)->sc_ioh, \
                               ELINK_STATUS); \
                   } while ((stat & COMMAND_IN_PROGRESS) && (stat != 0xffff)); \
           } while (0)\
   
   u_int16_t exreadeeprom(bus_space_tag_t, bus_space_handle_t, int);
   void    ex_config(struct ex_softc *);
   
   int     ex_intr(void *);
   void    ex_stop(struct ifnet *, int);
   void    ex_watchdog(struct ifnet *);
   int     ex_ioctl(struct ifnet *ifp, u_long, void *);
   int     ex_activate(device_t, enum devact);
   int     ex_detach(struct ex_softc *);
   
   int     ex_enable(struct ex_softc *);
   void    ex_disable(struct ex_softc *);

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