Clean import of Matt Thomas's if_de.c driver as of 970508, rev 1.85. The

slightly later one with optional if_media will be imported shortly as well.

Obtained from: Matt Thomas via http://www.3am-software.com/

1 files changed, 967 insertions, 0 deletions

diff --git a/sys/pci/if_devar.h b/sys/pci/if_devar.h
new file mode 100644
index 0000000..20e7424
--- /dev/null
+++ b/sys/pci/if_devar.h
@@ -0,0 +1,967 @@
+/*-
+ * Copyright (c) 1994-1997 Matt Thomas (matt@3am-software.com)
+ * All rights reserved.
+ *
+ * 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. The name of the author may not be used to endorse or promote products
+ *    derived from this software withough specific prior written permission
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
+ *
+ * $Id: if_devar.h,v 1.22 1997/05/08 16:50:06 thomas Exp $
+ */
+
+#if !defined(_DEVAR_H)
+#define _DEVAR_H
+
+#if defined(__NetBSD__)
+typedef bus_addr_t tulip_csrptr_t;
+
+#define TULIP_CSR_READ(sc, csr) \
+    bus_space_read_4((sc)->tulip_bustag, (sc)->tulip_bushandle, (sc)->tulip_csrs.csr)
+#define TULIP_CSR_WRITE(sc, csr, val) \
+    bus_space_write_4((sc)->tulip_bustag, (sc)->tulip_bushandle, (sc)->tulip_csrs.csr, (val))
+
+#define TULIP_CSR_READBYTE(sc, csr) \
+    bus_space_read_1((sc)->tulip_bustag, (sc)->tulip_bushandle, (sc)->tulip_csrs.csr)
+#define TULIP_CSR_WRITEBYTE(sc, csr, val) \
+    bus_space_write_1((sc)->tulip_bustag, (sc)->tulip_bushandle, (sc)->tulip_csrs.csr, (val))
+#endif /* __NetBSD__ */
+
+#ifdef TULIP_IOMAPPED
+#define	TULIP_EISA_CSRSIZE	16
+#define	TULIP_EISA_CSROFFSET	0
+#define	TULIP_PCI_CSRSIZE	8
+#define	TULIP_PCI_CSROFFSET	0
+
+#if !defined(__NetBSD__)
+typedef u_int16_t tulip_csrptr_t;
+
+#define	TULIP_CSR_READ(sc, csr)			(inl((sc)->tulip_csrs.csr))
+#define	TULIP_CSR_WRITE(sc, csr, val)   	outl((sc)->tulip_csrs.csr, val)
+
+#define	TULIP_CSR_READBYTE(sc, csr)		(inb((sc)->tulip_csrs.csr))
+#define	TULIP_CSR_WRITEBYTE(sc, csr, val)	outb((sc)->tulip_csrs.csr, val)
+#endif /* __NetBSD__ */
+
+#else /* TULIP_IOMAPPED */
+
+#define	TULIP_PCI_CSRSIZE	8
+#define	TULIP_PCI_CSROFFSET	0
+
+#if !defined(__NetBSD__)
+typedef volatile u_int32_t *tulip_csrptr_t;
+
+/*
+ * macros to read and write CSRs.  Note that the "0 +" in
+ * READ_CSR is to prevent the macro from being an lvalue
+ * and WRITE_CSR shouldn't be assigned from.
+ */
+#define	TULIP_CSR_READ(sc, csr)		(0 + *(sc)->tulip_csrs.csr)
+#define	TULIP_CSR_WRITE(sc, csr, val)	((void)(*(sc)->tulip_csrs.csr = (val)))
+#endif /* __NetBSD__ */
+
+#endif /* TULIP_IOMAPPED */
+
+/*
+ * This structure contains "pointers" for the registers on
+ * the various 21x4x chips.  CSR0 through CSR8 are common
+ * to all chips.  After that, it gets messy...
+ */
+typedef struct {
+    tulip_csrptr_t csr_busmode;			/* CSR0 */
+    tulip_csrptr_t csr_txpoll;			/* CSR1 */
+    tulip_csrptr_t csr_rxpoll;			/* CSR2 */
+    tulip_csrptr_t csr_rxlist;			/* CSR3 */
+    tulip_csrptr_t csr_txlist;			/* CSR4 */
+    tulip_csrptr_t csr_status;			/* CSR5 */
+    tulip_csrptr_t csr_command;			/* CSR6 */
+    tulip_csrptr_t csr_intr;			/* CSR7 */
+    tulip_csrptr_t csr_missed_frames;		/* CSR8 */
+    tulip_csrptr_t csr_9;			/* CSR9 */
+    tulip_csrptr_t csr_10;			/* CSR10 */
+    tulip_csrptr_t csr_11;			/* CSR11 */
+    tulip_csrptr_t csr_12;			/* CSR12 */
+    tulip_csrptr_t csr_13;			/* CSR13 */
+    tulip_csrptr_t csr_14;			/* CSR14 */
+    tulip_csrptr_t csr_15;			/* CSR15 */
+} tulip_regfile_t;
+
+#define	csr_enetrom		csr_9	/* 21040 */
+#define	csr_reserved		csr_10	/* 21040 */
+#define	csr_full_duplex		csr_11	/* 21040 */
+#define	csr_bootrom		csr_10	/* 21041/21140A/?? */
+#define	csr_gp			csr_12	/* 21140* */
+#define	csr_watchdog		csr_15	/* 21140* */
+#define	csr_gp_timer		csr_11	/* 21041/21140* */
+#define	csr_srom_mii		csr_9	/* 21041/21140* */
+#define	csr_sia_status		csr_12	/* 2104x */
+#define csr_sia_connectivity	csr_13	/* 2104x */
+#define csr_sia_tx_rx		csr_14	/* 2104x */
+#define csr_sia_general		csr_15	/* 2104x */
+
+/*
+ * While 21x4x allows chaining of its descriptors, this driver
+ * doesn't take advantage of it.  We keep the descriptors in a
+ * traditional FIFO ring.  
+ */
+typedef struct {
+    tulip_desc_t *ri_first;	/* first entry in ring */
+    tulip_desc_t *ri_last;	/* one after last entry */
+    tulip_desc_t *ri_nextin;	/* next to processed by host */
+    tulip_desc_t *ri_nextout;	/* next to processed by adapter */
+    int ri_max;
+    int ri_free;
+} tulip_ringinfo_t;
+
+/*
+ * The 21040 has a stupid restriction in that the receive
+ * buffers must be longword aligned.  But since Ethernet
+ * headers are not a multiple of longwords in size this forces
+ * the data to non-longword aligned.  Since IP requires the
+ * data to be longword aligned, we need to copy it after it has
+ * been DMA'ed in our memory.
+ *
+ * Since we have to copy it anyways, we might as well as allocate
+ * dedicated receive space for the input.  This allows to use a
+ * small receive buffer size and more ring entries to be able to
+ * better keep with a flood of tiny Ethernet packets.
+ *
+ * The receive space MUST ALWAYS be a multiple of the page size.
+ * And the number of receive descriptors multiplied by the size
+ * of the receive buffers must equal the recevive space.  This
+ * is so that we can manipulate the page tables so that even if a
+ * packet wraps around the end of the receive space, we can 
+ * treat it as virtually contiguous.
+ *
+ * The above used to be true (the stupid restriction is still true)
+ * but we gone to directly DMA'ing into MBUFs (unless it's on an 
+ * architecture which can't handle unaligned accesses) because with
+ * 100Mb/s cards the copying is just too much of a hit.
+ */
+#if defined(__alpha__)
+#define	TULIP_COPY_RXDATA	1
+#endif
+
+#define	TULIP_TXTIMER		4
+#define	TULIP_RXDESCS		48
+#define	TULIP_TXDESCS		128
+#define	TULIP_RXQ_TARGET	32
+#if TULIP_RXQ_TARGET >= TULIP_RXDESCS
+#error TULIP_RXQ_TARGET must be less than TULIP_RXDESCS
+#endif
+#define	TULIP_RX_BUFLEN		((MCLBYTES < 2048 ? MCLBYTES : 2048) - 16)
+
+/*
+ * Forward reference to make C happy.
+ */
+typedef struct _tulip_softc_t tulip_softc_t;
+
+/*
+ * The various controllers support.  Technically the DE425 is just
+ * a 21040 on EISA.  But since it remarkably difference from normal
+ * 21040s, we give it its own chip id.
+ */
+
+typedef enum {
+    TULIP_21040, TULIP_DE425,
+    TULIP_21041,
+    TULIP_21140, TULIP_21140A, TULIP_21142,
+    TULIP_21143,
+    TULIP_CHIPID_UNKNOWN
+} tulip_chipid_t;
+
+/*
+ * Various physical media types supported.
+ * BNCAUI is BNC or AUI since on the 21040 you can't really tell
+ * which is in use.
+ */
+typedef enum {
+    TULIP_MEDIA_UNKNOWN,
+    TULIP_MEDIA_10BASET,
+    TULIP_MEDIA_10BASET_FD,
+    TULIP_MEDIA_BNC,
+    TULIP_MEDIA_AUI,
+    TULIP_MEDIA_EXTSIA,
+    TULIP_MEDIA_AUIBNC,
+    TULIP_MEDIA_100BASETX,
+    TULIP_MEDIA_100BASETX_FD,
+    TULIP_MEDIA_100BASET4,
+    TULIP_MEDIA_100BASEFX,
+    TULIP_MEDIA_100BASEFX_FD,
+    TULIP_MEDIA_MAX
+} tulip_media_t;
+
+#define	TULIP_BIT(b)		(1L << ((int)(b)))
+#define	TULIP_FDBIT(m)		(1L << ((int)TULIP_MEDIA_ ## m ## _FD))
+#define	TULIP_MBIT(m)		(1L << ((int)TULIP_MEDIA_ ## m ))
+#define	TULIP_IS_MEDIA_FD(m)	(TULIP_BIT(m) & \
+				 (TULIP_FDBIT(10BASET) \
+				  |TULIP_FDBIT(100BASETX) \
+				  |TULIP_FDBIT(100BASEFX)))
+#define	TULIP_CAN_MEDIA_FD(m)	(TULIP_BIT(m) & \
+				 (TULIP_MBIT(10BASET) \
+				  |TULIP_MBIT(100BASETX) \
+				  |TULIP_MBIT(100BASEFX)))
+#define	TULIP_FD_MEDIA_OF(m)	((tulip_media_t)((m) + 1))
+#define	TULIP_HD_MEDIA_OF(m)	((tulip_media_t)((m) - 1))
+#define	TULIP_IS_MEDIA_100MB(m)	((m) >= TULIP_MEDIA_100BASETX)
+#define	TULIP_IS_MEDIA_TP(m)	((TULIP_BIT(m) & \
+				  (TULIP_MBIT(BNC) \
+				   |TULIP_MBIT(AUI) \
+				   |TULIP_MBIT(AUIBNC) \
+				   |TULIP_MBIT(EXTSIA))) == 0)
+
+#define	TULIP_SROM_ATTR_MII		0x0100
+#define	TULIP_SROM_ATTR_NWAY		0x0200
+#define	TULIP_SROM_ATTR_AUTOSENSE	0x0400
+#define	TULIP_SROM_ATTR_POWERUP		0x0800
+#define	TULIP_SROM_ATTR_NOLINKPASS	0x1000
+
+typedef struct {
+    enum {
+	TULIP_MEDIAINFO_SIA,
+	TULIP_MEDIAINFO_GPR,
+	TULIP_MEDIAINFO_MII,
+	TULIP_MEDIAINFO_RESET,
+	TULIP_MEDIAINFO_SYM
+    } mi_type;
+    union {
+	struct {
+	    u_int16_t sia_connectivity;
+	    u_int16_t sia_tx_rx;
+	    u_int16_t sia_general;
+	    u_int32_t sia_gp_control;	/* 21142/21143 */
+	    u_int32_t sia_gp_data;	/* 21142/21143 */
+	} un_sia;
+	struct {
+	    u_int32_t gpr_cmdmode;
+	    u_int32_t gpr_gpcontrol;	/* 21142/21143 */
+	    u_int32_t gpr_gpdata;
+	    u_int8_t gpr_actmask;
+	    u_int8_t gpr_actdata;
+	    u_int8_t gpr_default : 1;
+	} un_gpr;
+	struct {
+	    u_int32_t mii_mediamask;
+	    u_int16_t mii_capabilities;
+	    u_int16_t mii_advertisement;
+	    u_int16_t mii_full_duplex;
+	    u_int16_t mii_tx_threshold;
+	    u_int16_t mii_interrupt;	/* 21142/21143 */
+	    u_int8_t mii_phyaddr;
+	    u_int8_t mii_gpr_length;
+	    u_int8_t mii_gpr_offset;
+	    u_int8_t mii_reset_length;
+	    u_int8_t mii_reset_offset;
+	    u_int32_t mii_phyid;
+	} un_mii;
+    } mi_un;
+} tulip_media_info_t;
+
+#define	mi_sia_connectivity	mi_un.un_sia.sia_connectivity
+#define	mi_sia_tx_rx		mi_un.un_sia.sia_tx_rx
+#define mi_sia_general		mi_un.un_sia.sia_general
+#define	mi_sia_gp_control	mi_un.un_sia.sia_gp_control
+#define	mi_sia_gp_data		mi_un.un_sia.sia_gp_data
+
+#define	mi_gpcontrol		mi_un.un_gpr.gpr_gpcontrol
+#define	mi_gpdata		mi_un.un_gpr.gpr_gpdata
+#define	mi_actmask		mi_un.un_gpr.gpr_actmask
+#define	mi_actdata		mi_un.un_gpr.gpr_actdata
+#define	mi_default		mi_un.un_gpr.gpr_default
+#define	mi_cmdmode		mi_un.un_gpr.gpr_cmdmode
+
+#define	mi_phyaddr		mi_un.un_mii.mii_phyaddr
+#define	mi_gpr_length		mi_un.un_mii.mii_gpr_length
+#define	mi_gpr_offset		mi_un.un_mii.mii_gpr_offset
+#define	mi_reset_length		mi_un.un_mii.mii_reset_length
+#define	mi_reset_offset		mi_un.un_mii.mii_reset_offset
+#define	mi_capabilities		mi_un.un_mii.mii_capabilities
+#define	mi_advertisement	mi_un.un_mii.mii_advertisement
+#define	mi_full_duplex		mi_un.un_mii.mii_full_duplex
+#define	mi_tx_threshold		mi_un.un_mii.mii_tx_threshold
+#define	mi_mediamask		mi_un.un_mii.mii_mediamask
+#define	mi_mii_interrupt	mi_un.un_mii.mii_interrupt
+#define	mi_phyid		mi_un.un_mii.mii_phyid
+
+#define	TULIP_MEDIAINFO_SIA_INIT(sc, mi, chipid, media) do { \
+    (mi)->mi_type = TULIP_MEDIAINFO_SIA; \
+    sc->tulip_mediums[TULIP_MEDIA_ ## media] = (mi); \
+    (mi)->mi_sia_connectivity = TULIP_ ## chipid ## _SIACONN_ ## media; \
+    (mi)->mi_sia_tx_rx        = TULIP_ ## chipid ## _SIATXRX_ ## media; \
+    (mi)->mi_sia_general      = TULIP_ ## chipid ## _SIAGEN_ ## media; \
+} while (0)
+
+#define TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, media) do {	\
+    if ((sc)->tulip_mediums[TULIP_MEDIA_ ## media] == NULL	\
+	    && ((mi)->mi_capabilities & PHYSTS_ ## media)) {	\
+	(sc)->tulip_mediums[TULIP_MEDIA_ ## media] = (mi);	\
+	(mi)->mi_mediamask |= TULIP_BIT(TULIP_MEDIA_ ## media);	\
+    } \
+} while (0)
+
+#define	TULIP_MII_NOPHY		32
+/*
+ * Some boards need to treated specially.  The following enumeration
+ * identifies the cards with quirks (or those we just want to single
+ * out for special merit or scorn).
+ */
+typedef enum {
+    TULIP_21040_GENERIC,		/* Generic 21040 (works with most any board) */
+    TULIP_21140_ISV,			/* Digital Semicondutor 21140 ISV SROM Format */
+    TULIP_21142_ISV,			/* Digital Semicondutor 21142 ISV SROM Format */
+    TULIP_21143_ISV,			/* Digital Semicondutor 21143 ISV SROM Format */
+    TULIP_21140_DEC_EB,			/* Digital Semicondutor 21140 Evaluation Board */
+    TULIP_21140_MII,			/* 21140[A] with MII */
+    TULIP_21140_DEC_DE500,		/* Digital DE500-?? 10/100 */
+    TULIP_21140_SMC_9332,		/* SMC 9332 */
+    TULIP_21140_COGENT_EM100,		/* Cogent EM100 100 only */
+    TULIP_21140_ZNYX_ZX34X,		/* ZNYX ZX342 10/100 */
+    TULIP_21140_ASANTE,			/* AsanteFast 10/100 */
+    TULIP_21041_GENERIC			/* Generic 21041 card */
+} tulip_board_t;
+
+typedef enum {
+    TULIP_MEDIAPOLL_TIMER,		/* 100ms timer fired */
+    TULIP_MEDIAPOLL_FASTTIMER,		/* <100ms timer fired */
+    TULIP_MEDIAPOLL_LINKFAIL,		/* called from interrupt routine */
+    TULIP_MEDIAPOLL_LINKPASS,		/* called from interrupt routine */
+    TULIP_MEDIAPOLL_START,		/* start a media probe (called from reset) */
+    TULIP_MEDIAPOLL_TXPROBE_OK,		/* txprobe succeeded */
+    TULIP_MEDIAPOLL_TXPROBE_FAILED,	/* txprobe failed */
+    TULIP_MEDIAPOLL_MAX
+} tulip_mediapoll_event_t;
+
+typedef enum {
+    TULIP_LINK_DOWN,			/* Link is down */
+    TULIP_LINK_UP,			/* link is ok */
+    TULIP_LINK_UNKNOWN			/* we can't tell either way */
+} tulip_link_status_t;
+
+
+/*
+ * This data structure is used to abstract out the quirks.
+ * media_probe  = tries to determine the media type.
+ * media_select = enables the current media (or autosenses)
+ * media_poll	= autosenses media
+ * media_preset = 21140, etal requires bit to set before the
+ *		  the software reset; hence pre-set.  Should be
+ *		  pre-reset but that's ugly.
+ */
+
+typedef struct {
+    tulip_board_t bd_type;
+    void (*bd_media_probe)(tulip_softc_t * const sc);
+    void (*bd_media_select)(tulip_softc_t * const sc);
+    void (*bd_media_poll)(tulip_softc_t * const sc, tulip_mediapoll_event_t event);
+    void (*bd_media_preset)(tulip_softc_t * const sc);
+#if defined(__bsdi__) && _BSDI_VERSION >= 199701
+    struct ifmedia_entry *bd_media_list;
+    int bd_media_cnt;
+    int bd_media_options_mask;
+#endif
+} tulip_boardsw_t;
+
+/*
+ * The next few declarations are for MII/PHY based board.
+ *
+ *    The first enumeration identifies a superset of various datums
+ * that can be obtained from various PHY chips.  Not all PHYs will
+ * support all datums.
+ *    The modedata structure indicates what register contains
+ * a datum, what mask is applied the register contents, and what the
+ * result should be.
+ *    The attr structure records information about a supported PHY.
+ *    The phy structure records information about a PHY instance.
+ */
+
+typedef enum {
+    PHY_MODE_10T,
+    PHY_MODE_100TX,
+    PHY_MODE_100T4,
+    PHY_MODE_FULLDUPLEX,
+    PHY_MODE_MAX
+} tulip_phy_mode_t;
+
+typedef struct {
+    u_int16_t pm_regno;
+    u_int16_t pm_mask;
+    u_int16_t pm_value;
+} tulip_phy_modedata_t;
+
+typedef struct {
+    u_int32_t attr_id;
+    u_int16_t attr_flags;
+#define	PHY_NEED_HARD_RESET	0x0001
+#define	PHY_DUAL_CYCLE_TA	0x0002
+    tulip_phy_modedata_t attr_modes[PHY_MODE_MAX];
+#ifdef TULIP_DEBUG
+    const char *attr_name;
+#endif
+} tulip_phy_attr_t;
+
+/*
+ * Various probe states used when trying to autosense the media.
+ */
+
+typedef enum {
+    TULIP_PROBE_INACTIVE,
+    TULIP_PROBE_PHYRESET,
+    TULIP_PROBE_PHYAUTONEG,
+    TULIP_PROBE_GPRTEST,
+    TULIP_PROBE_MEDIATEST,
+    TULIP_PROBE_FAILED
+} tulip_probe_state_t;
+
+typedef struct {
+    /*
+     * Transmit Statistics
+     */
+    u_int32_t dot3StatsSingleCollisionFrames;
+    u_int32_t dot3StatsMultipleCollisionFrames;
+    u_int32_t dot3StatsSQETestErrors;
+    u_int32_t dot3StatsDeferredTransmissions;
+    u_int32_t dot3StatsLateCollisions;
+    u_int32_t dot3StatsExcessiveCollisions;
+    u_int32_t dot3StatsInternalMacTransmitErrors;
+    u_int32_t dot3StatsCarrierSenseErrors;
+    /*
+     * Receive Statistics
+     */
+    u_int32_t dot3StatsMissedFrames;	/* not in rfc1650! */
+    u_int32_t dot3StatsAlignmentErrors;
+    u_int32_t dot3StatsFCSErrors;
+    u_int32_t dot3StatsFrameTooLongs;
+    u_int32_t dot3StatsInternalMacReceiveErrors;
+} tulip_dot3_stats_t;
+
+/*
+ * Now to important stuff.  This is softc structure (where does softc
+ * come from??? No idea) for the tulip device.  
+ *
+ */
+struct _tulip_softc_t {
+#if defined(__bsdi__)
+    struct device tulip_dev;		/* base device */
+    struct isadev tulip_id;		/* ISA device */
+    struct intrhand tulip_ih;		/* intrrupt vectoring */
+    struct atshutdown tulip_ats;	/* shutdown hook */
+#if _BSDI_VERSION < 199401
+    caddr_t tulip_bpf;			/* for BPF */
+#else
+    prf_t tulip_pf;			/* printf function */
+#if _BSDI_VERSION >= 199701
+    struct mii_data tulip_mii;		/* Generic MII and media data */
+#define	tulip_ifmedia tulip_mii.mii_media
+#endif /* _BSDI_VERSION >= 199701 */
+#endif /* _BSDI_VERSION < 199401 */
+#endif /* __bsdi__ */
+#if defined(__NetBSD__)
+    struct device tulip_dev;		/* base device */
+    void *tulip_ih;			/* intrrupt vectoring */
+    void *tulip_ats;			/* shutdown hook */
+    bus_space_tag_t tulip_bustag;
+    bus_space_handle_t tulip_bushandle;	/* CSR region handle */
+    pci_chipset_tag_t tulip_pc;
+    struct ethercom tulip_ec;
+    u_int8_t tulip_enaddr[ETHER_ADDR_LEN];
+#endif
+#if !defined(tulip_ifmedia) && defined(IFM_ETHER)
+    struct ifmedia tulip_ifmedia;
+#endif
+#if !defined(__NetBSD__)
+    struct arpcom tulip_ac;
+#endif
+    tulip_regfile_t tulip_csrs;
+    u_int32_t tulip_flags;
+#define	TULIP_WANTSETUP		0x00000001
+#define	TULIP_WANTHASHPERFECT	0x00000002
+#define	TULIP_WANTHASHONLY	0x00000004
+#define	TULIP_DOINGSETUP	0x00000008
+#define	TULIP_PRINTMEDIA	0x00000010
+#define	TULIP_TXPROBE_ACTIVE	0x00000020
+#define	TULIP_ALLMULTI		0x00000040
+#define	TULIP_WANTRXACT		0x00000080
+#define	TULIP_RXACT		0x00000100
+#define	TULIP_INRESET		0x00000200
+#define	TULIP_NEEDRESET		0x00000400
+#define	TULIP_SQETEST		0x00000800
+#define	TULIP_xxxxxx0		0x00001000
+#define	TULIP_xxxxxx1		0x00002000
+#define	TULIP_xxxxxx2		0x00004000
+#define	TULIP_xxxxxx3		0x00008000
+#define	TULIP_NOAUTOSENSE	0x00010000
+#define	TULIP_PRINTLINKUP	0x00020000
+#define	TULIP_LINKUP		0x00040000
+#define	TULIP_RXBUFSLOW		0x00080000
+#define	TULIP_NOMESSAGES	0x00100000
+#define	TULIP_SYSTEMERROR	0x00200000
+#define	TULIP_TIMEOUTPENDING	0x00400000
+#define	TULIP_FASTTIMEOUTPENDING	0x00800000
+#define	TULIP_TRYNWAY		0x01000000
+#define	TULIP_DIDNWAY		0x02000000
+#define	TULIP_RXIGNORE		0x04000000
+#define	TULIP_PROBE1STPASS	0x08000000
+#define	TULIP_DEVICEPROBE	0x10000000
+#define	TULIP_PROMISC		0x20000000
+#define	TULIP_HASHONLY		0x40000000
+    /* only 1 bit left! */
+    u_int32_t tulip_features;	/* static bits indicating features of chip */
+#define	TULIP_HAVE_GPR		0x00000001	/* have gp register (140[A]) */
+#define	TULIP_HAVE_RXBADOVRFLW	0x00000002	/* RX corrupts on overflow */
+#define	TULIP_HAVE_POWERMGMT	0x00000004	/* Snooze/sleep modes */
+#define	TULIP_HAVE_MII		0x00000008	/* Some medium on MII */
+#define	TULIP_HAVE_SIANWAY	0x00000010	/* SIA does NWAY */
+#define	TULIP_HAVE_DUALSENSE	0x00000020	/* SIA senses both AUI & TP */
+#define	TULIP_HAVE_SIAGP	0x00000040	/* SIA has a GP port */
+#define	TULIP_HAVE_BROKEN_HASH	0x00000080	/* Broken Multicast Hash */
+#define	TULIP_HAVE_ISVSROM	0x00000100	/* uses ISV SROM Format */
+#define	TULIP_HAVE_BASEROM	0x00000200	/* Board ROM can be cloned */
+#define	TULIP_HAVE_SLAVEDROM	0x00000400	/* Board ROM cloned */
+#define	TULIP_HAVE_SLAVEDINTR	0x00000800	/* Board slaved interrupt */
+#define	TULIP_HAVE_SHAREDINTR	0x00001000	/* Board shares interrupts */
+#define	TULIP_HAVE_OKROM	0x00002000	/* ROM was recognized */
+#define	TULIP_HAVE_NOMEDIA	0x00004000	/* did not detect any media */
+    u_int32_t tulip_intrmask;	/* our copy of csr_intr */
+    u_int32_t tulip_cmdmode;	/* our copy of csr_cmdmode */
+    u_int32_t tulip_last_system_error : 3;	/* last system error (only value is TULIP_SYSTEMERROR is also set) */
+    u_int32_t tulip_txtimer : 2;	/* transmission timer */
+    u_int32_t tulip_system_errors;	/* number of system errors encountered */
+    u_int32_t tulip_statusbits;	/* status bits from CSR5 that may need to be printed */
+
+    tulip_media_info_t *tulip_mediums[TULIP_MEDIA_MAX];	/* indexes into mediainfo */
+    tulip_media_t tulip_media;			/* current media type */
+    u_int32_t tulip_abilities;	/* remote system's abiltities (as defined in IEEE 802.3u) */
+
+    u_int8_t tulip_revinfo;			/* revision of chip */
+    u_int8_t tulip_phyaddr;			/* 0..31 -- address of current phy */
+    u_int8_t tulip_gpinit;			/* active pins on 21140 */
+    u_int8_t tulip_gpdata;			/* default gpdata for 21140 */
+
+    struct {
+	u_int8_t probe_count;			/* count of probe operations */
+	int32_t probe_timeout;			/* time in ms of probe timeout */
+	tulip_probe_state_t probe_state;	/* current media probe state */
+	tulip_media_t probe_media;		/* current media being probed */
+	u_int32_t probe_mediamask;		/* medias checked */
+	u_int32_t probe_passes;			/* times autosense failed */
+	u_int32_t probe_txprobes;		/* txprobes attempted */
+    } tulip_probe;
+#define	tulip_probe_count	tulip_probe.probe_count
+#define	tulip_probe_timeout	tulip_probe.probe_timeout
+#define	tulip_probe_state	tulip_probe.probe_state
+#define	tulip_probe_media	tulip_probe.probe_media
+#define	tulip_probe_mediamask	tulip_probe.probe_mediamask
+#define	tulip_probe_passes	tulip_probe.probe_passes
+
+    tulip_chipid_t tulip_chipid;		/* type of chip we are using */
+    const tulip_boardsw_t *tulip_boardsw;	/* board/chip characteristics */
+    tulip_softc_t *tulip_slaves;		/* slaved devices (ZX3xx) */
+#if defined(TULIP_DEBUG)
+    /*
+     * Debugging/Statistical information
+     */
+    struct {
+	tulip_media_t dbg_last_media;
+	u_int32_t dbg_intrs;
+	u_int32_t dbg_media_probes;
+	u_int32_t dbg_txprobe_nocarr;
+	u_int32_t dbg_txprobe_exccoll;
+	u_int32_t dbg_link_downed;
+	u_int32_t dbg_link_suspected;
+	u_int32_t dbg_link_intrs;
+	u_int32_t dbg_link_pollintrs;
+	u_int32_t dbg_link_failures;
+	u_int32_t dbg_nway_starts;
+	u_int32_t dbg_nway_failures;
+	u_int16_t dbg_phyregs[32][4];
+	u_int32_t dbg_rxlowbufs;
+	u_int32_t dbg_rxintrs;
+	u_int32_t dbg_last_rxintrs;
+	u_int32_t dbg_high_rxintrs_hz;
+	u_int32_t dbg_txprobes_ok[TULIP_MEDIA_MAX];
+	u_int32_t dbg_txprobes_failed[TULIP_MEDIA_MAX];
+	u_int32_t dbg_events[TULIP_MEDIAPOLL_MAX];
+	u_int32_t dbg_rxpktsperintr[TULIP_RXDESCS];
+    } tulip_dbg;
+#endif
+    struct ifqueue tulip_txq;
+    struct ifqueue tulip_rxq;
+    tulip_dot3_stats_t tulip_dot3stats;
+    tulip_ringinfo_t tulip_rxinfo;
+    tulip_ringinfo_t tulip_txinfo;
+    tulip_media_info_t tulip_mediainfo[10];
+    /*
+     * The setup buffers for sending the setup frame to the chip.
+     * one is the one being sent while the other is the one being
+     * filled.
+     */
+    u_int32_t tulip_setupbuf[192/sizeof(u_int32_t)];
+    u_int32_t tulip_setupdata[192/sizeof(u_int32_t)];
+    char tulip_boardid[16];		/* buffer for board ID */
+    u_int8_t tulip_rombuf[128];
+    u_int8_t tulip_pci_busno;		/* needed for multiport boards */
+    u_int8_t tulip_pci_devno;		/* needed for multiport boards */
+    u_int8_t tulip_connidx;
+    tulip_srom_connection_t tulip_conntype;
+    tulip_desc_t tulip_rxdescs[TULIP_RXDESCS];
+    tulip_desc_t tulip_txdescs[TULIP_TXDESCS];
+};
+
+#if defined(IFM_ETHER)
+#define	TULIP_DO_AUTOSENSE(sc)	(IFM_SUBTYPE((sc)->tulip_ifmedia.ifm_media) == IFM_AUTO)
+#else
+#define	TULIP_DO_AUTOSENSE(sc)	(((sc)->tulip_flags & TULIP_NOAUTOSENSE) == 0)
+#endif
+
+
+#if defined(TULIP_HDR_DATA)
+static const char * const tulip_chipdescs[] = { 
+    "21040 [10Mb/s]",
+#if defined(TULIP_EISA)
+    "DE425 [10Mb/s]",
+#else
+    NULL,
+#endif
+    "21041 [10Mb/s]",
+    "21140 [10-100Mb/s]",
+    "21140A [10-100Mb/s]",
+    "21142 [10-100Mb/s]",
+    "21143 [10-100Mb/s]",
+};
+
+static const char * const tulip_mediums[] = {
+    "unknown",			/* TULIP_MEDIA_UNKNOWN */
+    "10baseT",			/* TULIP_MEDIA_10BASET */
+    "Full Duplex 10baseT",	/* TULIP_MEDIA_10BASET_FD */
+    "BNC",			/* TULIP_MEDIA_BNC */
+    "AUI",			/* TULIP_MEDIA_AUI */
+    "External SIA",		/* TULIP_MEDIA_EXTSIA */
+    "AUI/BNC",			/* TULIP_MEDIA_AUIBNC */
+    "100baseTX",		/* TULIP_MEDIA_100BASET */
+    "Full Duplex 100baseTX",	/* TULIP_MEDIA_100BASET_FD */
+    "100baseT4",		/* TULIP_MEDIA_100BASET4 */
+    "100baseFX",		/* TULIP_MEDIA_100BASEFX */
+    "Full Duplex 100baseFX",	/* TULIP_MEDIA_100BASEFX_FD */
+};
+
+#if defined(IFM_ETHER)
+static const int tulip_media_to_ifmedia[] = {
+    IFM_ETHER | IFM_NONE,		/* TULIP_MEDIA_UNKNOWN */
+    IFM_ETHER | IFM_10_T,		/* TULIP_MEDIA_10BASET */
+    IFM_ETHER | IFM_10_T | IFM_FDX,	/* TULIP_MEDIA_10BASET_FD */
+    IFM_ETHER | IFM_10_2,		/* TULIP_MEDIA_BNC */
+    IFM_ETHER | IFM_10_5,		/* TULIP_MEDIA_AUI */
+    IFM_ETHER | IFM_MANUAL,		/* TULIP_MEDIA_EXTSIA */
+    IFM_ETHER | IFM_10_5,		/* TULIP_MEDIA_AUIBNC */
+    IFM_ETHER | IFM_100_TX,		/* TULIP_MEDIA_100BASET */
+    IFM_ETHER | IFM_100_TX | IFM_FDX,	/* TULIP_MEDIA_100BASET_FD */
+    IFM_ETHER | IFM_100_T4,		/* TULIP_MEDIA_100BASET4 */
+    IFM_ETHER | IFM_100_FX,		/* TULIP_MEDIA_100BASEFX */
+    IFM_ETHER | IFM_100_FX | IFM_FDX,	/* TULIP_MEDIA_100BASEFX_FD */
+};
+#endif /* defined(IFM_ETHER) */
+
+static const char * const tulip_system_errors[] = {
+    "parity error",
+    "master abort",
+    "target abort",
+    "reserved #3",
+    "reserved #4",
+    "reserved #5",
+    "reserved #6",
+    "reserved #7",
+};
+
+static const char * const tulip_status_bits[] = {
+    NULL,
+    "transmit process stopped",
+    NULL,
+    "transmit jabber timeout",
+
+    NULL,
+    "transmit underflow",
+    NULL,
+    "receive underflow",
+
+    "receive process stopped",
+    "receive watchdog timeout",
+    NULL,
+    NULL,
+
+    "link failure",
+    NULL,
+    NULL,
+};
+
+static const struct {
+    tulip_srom_connection_t sc_type;
+    tulip_media_t sc_media;
+    u_int32_t sc_attrs;
+} tulip_srom_conninfo[] = {
+    { TULIP_SROM_CONNTYPE_10BASET,		TULIP_MEDIA_10BASET },
+    { TULIP_SROM_CONNTYPE_BNC,			TULIP_MEDIA_BNC },
+    { TULIP_SROM_CONNTYPE_AUI,			TULIP_MEDIA_AUI },
+    { TULIP_SROM_CONNTYPE_100BASETX,		TULIP_MEDIA_100BASETX },
+    { TULIP_SROM_CONNTYPE_100BASET4,		TULIP_MEDIA_100BASET4 },
+    { TULIP_SROM_CONNTYPE_100BASEFX,		TULIP_MEDIA_100BASEFX },
+    { TULIP_SROM_CONNTYPE_MII_10BASET,		TULIP_MEDIA_10BASET,
+		TULIP_SROM_ATTR_MII },
+    { TULIP_SROM_CONNTYPE_MII_100BASETX,	TULIP_MEDIA_100BASETX,
+		TULIP_SROM_ATTR_MII },
+    { TULIP_SROM_CONNTYPE_MII_100BASET4,	TULIP_MEDIA_100BASET4,
+		TULIP_SROM_ATTR_MII },
+    { TULIP_SROM_CONNTYPE_MII_100BASEFX,	TULIP_MEDIA_100BASEFX,
+		TULIP_SROM_ATTR_MII },
+    { TULIP_SROM_CONNTYPE_10BASET_NWAY,		TULIP_MEDIA_10BASET,
+		TULIP_SROM_ATTR_NWAY },
+    { TULIP_SROM_CONNTYPE_10BASET_FD,		TULIP_MEDIA_10BASET_FD },
+    { TULIP_SROM_CONNTYPE_MII_10BASET_FD,	TULIP_MEDIA_10BASET_FD,
+		TULIP_SROM_ATTR_MII },
+    { TULIP_SROM_CONNTYPE_100BASETX_FD,		TULIP_MEDIA_100BASETX_FD },
+    { TULIP_SROM_CONNTYPE_MII_100BASETX_FD,	TULIP_MEDIA_100BASETX_FD,
+		TULIP_SROM_ATTR_MII },
+    { TULIP_SROM_CONNTYPE_10BASET_NOLINKPASS,	TULIP_MEDIA_10BASET,
+		TULIP_SROM_ATTR_NOLINKPASS },
+    { TULIP_SROM_CONNTYPE_AUTOSENSE,		TULIP_MEDIA_UNKNOWN,
+		TULIP_SROM_ATTR_AUTOSENSE },
+    { TULIP_SROM_CONNTYPE_AUTOSENSE_POWERUP,	TULIP_MEDIA_UNKNOWN,
+		TULIP_SROM_ATTR_AUTOSENSE|TULIP_SROM_ATTR_POWERUP },
+    { TULIP_SROM_CONNTYPE_AUTOSENSE_NWAY,	TULIP_MEDIA_UNKNOWN,
+		TULIP_SROM_ATTR_AUTOSENSE|TULIP_SROM_ATTR_NWAY },
+    { TULIP_SROM_CONNTYPE_NOT_USED,		TULIP_MEDIA_UNKNOWN }
+};
+#define	TULIP_SROM_LASTCONNIDX	\
+		(sizeof(tulip_srom_conninfo)/sizeof(tulip_srom_conninfo[0]) - 1)
+
+static const struct {
+    tulip_media_t sm_type;
+    tulip_srom_media_t sm_srom_type;
+} tulip_srom_mediums[] = {
+    { 	TULIP_MEDIA_100BASEFX_FD,	TULIP_SROM_MEDIA_100BASEFX_FD	},
+    {	TULIP_MEDIA_100BASEFX,		TULIP_SROM_MEDIA_100BASEFX	},
+    {	TULIP_MEDIA_100BASET4,		TULIP_SROM_MEDIA_100BASET4	},
+    {	TULIP_MEDIA_100BASETX_FD,	TULIP_SROM_MEDIA_100BASETX_FD	},
+    {	TULIP_MEDIA_100BASETX,		TULIP_SROM_MEDIA_100BASETX	},
+    {	TULIP_MEDIA_10BASET_FD,		TULIP_SROM_MEDIA_10BASET_FD	},
+    {	TULIP_MEDIA_AUI,		TULIP_SROM_MEDIA_AUI		},
+    {	TULIP_MEDIA_BNC,		TULIP_SROM_MEDIA_BNC		},
+    {	TULIP_MEDIA_10BASET,		TULIP_SROM_MEDIA_10BASET	},
+    {	TULIP_MEDIA_UNKNOWN						}
+};
+#endif /* TULIP_HDR_DATA */
+
+/*
+ * This driver supports a maximum of 32 tulip boards.
+ * This should be enough for the forseeable future.
+ */
+#define	TULIP_MAX_DEVICES	32
+
+#if defined(TULIP_USE_SOFTINTR) && defined(TULIP_HDR_DATA)
+static u_int32_t tulip_softintr_mask;
+static int tulip_softintr_last_unit;
+static int tulip_softintr_max_unit;
+static void tulip_softintr(void);
+#endif
+
+#ifdef notyet
+#define	SIOCGADDRROM		_IOW('i', 240, struct ifreq)	/* get 128 bytes of ROM */
+#define	SIOCGCHIPID		_IOWR('i', 241, struct ifreq)	/* get chipid */
+#endif
+
+#if defined(__FreeBSD__)
+typedef void ifnet_ret_t;
+typedef int ioctl_cmd_t;
+#if defined(TULIP_HDR_DATA)
+static tulip_softc_t *tulips[TULIP_MAX_DEVICES];
+#endif
+#if BSD >= 199506
+#define TULIP_IFP_TO_SOFTC(ifp) ((tulip_softc_t *)((ifp)->if_softc))
+#if NBPFILTER > 0
+#define	TULIP_BPF_MTAP(sc, m)	bpf_mtap(&(sc)->tulip_if, m)
+#define	TULIP_BPF_TAP(sc, p, l)	bpf_tap(&(sc)->tulip_if, p, l)
+#define	TULIP_BPF_ATTACH(sc)	bpfattach(&(sc)->tulip_if, DLT_EN10MB, sizeof(struct ether_header))
+#endif
+#define	tulip_intrfunc_t	void
+#define	TULIP_VOID_INTRFUNC
+#define	IFF_NOTRAILERS		0
+#define	CLBYTES			PAGE_SIZE
+#if 0
+#define	TULIP_KVATOPHYS(sc, va)	kvtop(va)
+#endif
+#define	TULIP_EADDR_FMT		"%6D"
+#define	TULIP_EADDR_ARGS(addr)	addr, ":"
+#else
+extern int bootverbose;
+#define TULIP_IFP_TO_SOFTC(ifp)         (TULIP_UNIT_TO_SOFTC((ifp)->if_unit))
+#include <sys/devconf.h>
+#define	TULIP_DEVCONF
+#endif
+#if defined(TULIP_USE_SOFTINTR)
+NETISR_SET(NETISR_DE, tulip_softintr);
+#endif
+#define	TULIP_UNIT_TO_SOFTC(unit)	(tulips[unit])
+#define	TULIP_BURSTSIZE(unit)		pci_max_burst_len
+#define	loudprintf			if (bootverbose) printf
+#endif
+
+#if defined(__bsdi__)
+typedef int ifnet_ret_t;
+typedef u_long ioctl_cmd_t;
+extern struct cfdriver decd;
+#define	TULIP_UNIT_TO_SOFTC(unit)	((tulip_softc_t *) decd.cd_devs[unit])
+#define TULIP_IFP_TO_SOFTC(ifp)		(TULIP_UNIT_TO_SOFTC((ifp)->if_unit))
+#if _BSDI_VERSION >= 199510
+#if 0
+#define	TULIP_BURSTSIZE(unit)		log2_burst_size
+#endif
+#define	loudprintf			aprint_verbose
+#define	printf				(*sc->tulip_pf)
+#define	MCNT(x) (sizeof(x) / sizeof(struct ifmedia_entry))
+#elif _BSDI_VERSION <= 199401
+#define	DRQNONE				0
+#define	loudprintf			printf
+static void
+arp_ifinit(
+    struct arpcom *ac,
+    struct ifaddr *ifa)
+{
+    ac->ac_ipaddr = IA_SIN(ifa)->sin_addr;
+    arpwhohas(ac, &ac->ac_ipaddr);
+}
+#endif
+#endif	/* __bsdi__ */
+
+#if defined(__NetBSD__)
+typedef void ifnet_ret_t;
+typedef u_long ioctl_cmd_t;
+extern struct cfattach de_ca;
+extern struct cfdriver de_cd;
+#define	TULIP_UNIT_TO_SOFTC(unit)	((tulip_softc_t *) de_cd.cd_devs[unit])
+#define TULIP_IFP_TO_SOFTC(ifp)         ((tulip_softc_t *)((ifp)->if_softc))
+#define	tulip_unit			tulip_dev.dv_unit
+#define	tulip_xname			tulip_if.if_xname
+#define	TULIP_RAISESPL()		splnet()
+#define	TULIP_RAISESOFTSPL()		splsoftnet()
+#define	TULIP_RESTORESPL(s)		splx(s)
+#define	tulip_if			tulip_ec.ec_if
+#define	tulip_enaddr			tulip_enaddr
+#define	tulip_multicnt			tulip_ec.ec_multicnt
+#define	TULIP_ETHERCOM(sc)		(&(sc)->tulip_ec)
+#define	TULIP_ARP_IFINIT(sc, ifa)	arp_ifinit(&(sc)->tulip_if, (ifa))
+#define	TULIP_ETHER_IFATTACH(sc)	ether_ifattach(&(sc)->tulip_if, (sc)->tulip_enaddr)
+#define	loudprintf			printf
+#define	TULIP_PRINTF_FMT		"%s"
+#define	TULIP_PRINTF_ARGS		sc->tulip_xname
+#if defined(__alpha__)
+/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */
+#define TULIP_KVATOPHYS(sc, va)		alpha_XXX_dmamap((vm_offset_t)(va))
+#endif
+#endif	/* __NetBSD__ */
+
+#ifndef TULIP_PRINTF_FMT
+#define	TULIP_PRINTF_FMT		"%s%d"
+#endif
+#ifndef TULIP_PRINTF_ARGS
+#define	TULIP_PRINTF_ARGS		sc->tulip_name, sc->tulip_unit
+#endif
+
+#ifndef TULIP_BURSTSIZE
+#define	TULIP_BURSTSIZE(unit)		3
+#endif
+
+#ifndef	tulip_if
+#define	tulip_if	tulip_ac.ac_if
+#endif
+#ifndef tulip_unit
+#define	tulip_unit	tulip_if.if_unit
+#endif
+#define	tulip_name	tulip_if.if_name
+#ifndef tulip_enaddr
+#define	tulip_enaddr	tulip_ac.ac_enaddr
+#endif
+#ifndef tulip_multicnt
+#define	tulip_multicnt	tulip_ac.ac_multicnt
+#endif
+
+#if !defined(TULIP_ETHERCOM)
+#define	TULIP_ETHERCOM(sc)		(&(sc)->tulip_ac)
+#endif
+
+#if !defined(TULIP_ARP_IFINIT)
+#define	TULIP_ARP_IFINIT(sc, ifa)	arp_ifinit(TULIP_ETHERCOM(sc), (ifa))
+#endif
+
+#if !defined(TULIP_ETHER_IFATTACH)
+#define	TULIP_ETHER_IFATTACH(sc)	ether_ifattach(&(sc)->tulip_if)
+#endif
+
+#if !defined(tulip_bpf) && (!defined(__bsdi__) || _BSDI_VERSION >= 199401)
+#define	tulip_bpf	tulip_if.if_bpf
+#endif
+
+#if !defined(tulip_intrfunc_t)
+#define	tulip_intrfunc_t	int
+#endif
+
+#if !defined(TULIP_KVATOPHYS)
+#define	TULIP_KVATOPHYS(sc, va)	vtophys(va)
+#endif
+
+#ifndef TULIP_RAISESPL
+#define	TULIP_RAISESPL()		splimp()
+#endif
+#ifndef TULIP_RAISESOFTSPL
+#define	TULIP_RAISESOFTSPL()		splnet()
+#endif
+#ifndef TULUP_RESTORESPL
+#define	TULIP_RESTORESPL(s)		splx(s)
+#endif
+
+/*
+ * While I think FreeBSD's 2.2 change to the bpf is a nice simplification,
+ * it does add yet more conditional code to this driver.  Sigh.
+ */
+#if !defined(TULIP_BPF_MTAP) && NBPFILTER > 0
+#define	TULIP_BPF_MTAP(sc, m)	bpf_mtap((sc)->tulip_bpf, m)
+#define	TULIP_BPF_TAP(sc, p, l)	bpf_tap((sc)->tulip_bpf, p, l)
+#define	TULIP_BPF_ATTACH(sc)	bpfattach(&(sc)->tulip_bpf, &(sc)->tulip_if, DLT_EN10MB, sizeof(struct ether_header))
+#endif
+
+/*
+ * However, this change to FreeBSD I am much less enamored with.
+ */
+#if !defined(TULIP_EADDR_FMT)
+#define	TULIP_EADDR_FMT		"%s"
+#define	TULIP_EADDR_ARGS(addr)	ether_sprintf(addr)
+#endif
+
+#define	TULIP_CRC32_POLY	0xEDB88320UL	/* CRC-32 Poly -- Little Endian */
+#define	TULIP_MAX_TXSEG		30
+
+#define	TULIP_ADDREQUAL(a1, a2) \
+	(((u_int16_t *)a1)[0] == ((u_int16_t *)a2)[0] \
+	 && ((u_int16_t *)a1)[1] == ((u_int16_t *)a2)[1] \
+	 && ((u_int16_t *)a1)[2] == ((u_int16_t *)a2)[2])
+#define	TULIP_ADDRBRDCST(a1) \
+	(((u_int16_t *)a1)[0] == 0xFFFFU \
+	 && ((u_int16_t *)a1)[1] == 0xFFFFU \
+	 && ((u_int16_t *)a1)[2] == 0xFFFFU)
+
+typedef int tulip_spl_t;
+
+#endif /* !defined(_DEVAR_H) */