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/

3 files changed, 6522 insertions, 0 deletions

diff --git a/sys/pci/dc21040reg.h b/sys/pci/dc21040reg.h
new file mode 100644
index 000000000000..bbe5fa2beda1
--- /dev/null
+++ b/sys/pci/dc21040reg.h
@@ -0,0 +1,597 @@
+/*-
+ * Copyright (c) 1994, 1995, 1996 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: dc21040.h,v 1.23 1997/03/15 17:28:19 thomas Exp $
+ */
+
+#if !defined(_DC21040_H)
+#define _DC21040_H
+
+#if defined(BYTE_ORDER) && BYTE_ORDER == BIG_ENDIAN
+#define	TULIP_BITFIELD2(a, b)		      b, a
+#define	TULIP_BITFIELD3(a, b, c)	   c, b, a
+#define	TULIP_BITFIELD4(a, b, c, d)	d, c, b, a
+#else
+#define	TULIP_BITFIELD2(a, b)		a, b
+#define	TULIP_BITFIELD3(a, b, c)	a, b, c
+#define	TULIP_BITFIELD4(a, b, c, d)	a, b, c, d
+#endif
+
+typedef struct {
+    u_int32_t d_status;
+    u_int32_t TULIP_BITFIELD3(d_length1 : 11,
+			      d_length2 : 11,
+			      d_flag : 10);
+    u_int32_t d_addr1;
+    u_int32_t d_addr2;
+} tulip_desc_t;
+
+#define	TULIP_DSTS_OWNER	0x80000000	/* Owner (1 = 21040) */
+#define	TULIP_DSTS_ERRSUM	0x00008000	/* Error Summary */
+/*
+ * Transmit Status
+ */
+#define	TULIP_DSTS_TxBABBLE	0x00004000	/* Transmitter Babbled */
+#define	TULIP_DSTS_TxCARRLOSS	0x00000800	/* Carrier Loss */
+#define	TULIP_DSTS_TxNOCARR	0x00000400	/* No Carrier */
+#define	TULIP_DSTS_TxLATECOLL	0x00000200	/* Late Collision */
+#define	TULIP_DSTS_TxEXCCOLL	0x00000100	/* Excessive Collisions */
+#define	TULIP_DSTS_TxNOHRTBT	0x00000080	/* No Heartbeat */
+#define	TULIP_DSTS_TxCOLLMASK	0x00000078	/* Collision Count (mask) */
+#define	TULIP_DSTS_V_TxCOLLCNT	0x00000003	/* Collision Count (bit) */
+#define	TULIP_DSTS_TxLINKFAIL	0x00000004	/* Link Failure */
+#define	TULIP_DSTS_TxUNDERFLOW	0x00000002	/* Underflow Error */
+#define	TULIP_DSTS_TxDEFERRED	0x00000001	/* Initially Deferred */
+/*
+ * Receive Status
+ */
+#define	TULIP_DSTS_RxBADLENGTH	0x00004000	/* Length Error */
+#define	TULIP_DSTS_RxDATATYPE	0x00003000	/* Data Type */
+#define	TULIP_DSTS_RxRUNT	0x00000800	/* Runt Frame */
+#define	TULIP_DSTS_RxMULTICAST	0x00000400	/* Multicast Frame */
+#define	TULIP_DSTS_RxFIRSTDESC	0x00000200	/* First Descriptor */
+#define	TULIP_DSTS_RxLASTDESC	0x00000100	/* Last Descriptor */
+#define	TULIP_DSTS_RxTOOLONG	0x00000080	/* Frame Too Long */
+#define	TULIP_DSTS_RxCOLLSEEN	0x00000040	/* Collision Seen */
+#define	TULIP_DSTS_RxFRAMETYPE	0x00000020	/* Frame Type */
+#define	TULIP_DSTS_RxWATCHDOG	0x00000010	/* Receive Watchdog */
+#define	TULIP_DSTS_RxDRBBLBIT	0x00000004	/* Dribble Bit */
+#define	TULIP_DSTS_RxBADCRC	0x00000002	/* CRC Error */
+#define	TULIP_DSTS_RxOVERFLOW	0x00000001	/* Overflow */
+
+
+#define	TULIP_DFLAG_ENDRING	0x0008		/* End of Transmit Ring */
+#define	TULIP_DFLAG_CHAIN	0x0004		/* Chain using d_addr2 */
+
+#define	TULIP_DFLAG_TxWANTINTR	0x0200		/* Signal Interrupt on Completion */
+#define	TULIP_DFLAG_TxLASTSEG	0x0100		/* Last Segment */
+#define	TULIP_DFLAG_TxFIRSTSEG	0x0080		/* First Segment */
+#define	TULIP_DFLAG_TxINVRSFILT	0x0040		/* Inverse Filtering */
+#define	TULIP_DFLAG_TxSETUPPKT	0x0020		/* Setup Packet */
+#define	TULIP_DFLAG_TxHASCRC	0x0010		/* Don't Append the CRC */
+#define	TULIP_DFLAG_TxNOPADDING	0x0002		/* Don't AutoPad */
+#define	TULIP_DFLAG_TxHASHFILT	0x0001		/* Hash/Perfect Filtering */
+
+/*
+ * The 21040 Registers (IO Space Addresses)
+ */
+#define	TULIP_REG_BUSMODE	0x00	/* CSR0  -- Bus Mode */
+#define	TULIP_REG_TXPOLL	0x08	/* CSR1  -- Transmit Poll Demand */
+#define	TULIP_REG_RXPOLL	0x10	/* CSR2  -- Receive Poll Demand */
+#define	TULIP_REG_RXLIST	0x18	/* CSR3  -- Receive List Base Addr */
+#define	TULIP_REG_TXLIST	0x20	/* CSR4  -- Transmit List Base Addr */
+#define	TULIP_REG_STATUS	0x28	/* CSR5  -- Status */
+#define	TULIP_REG_CMD		0x30	/* CSR6  -- Command */
+#define	TULIP_REG_INTR		0x38	/* CSR7  -- Interrupt Control */
+#define	TULIP_REG_MISSES	0x40	/* CSR8  -- Missed Frame Counter */
+#define	TULIP_REG_ADDRROM	0x48	/* CSR9  -- ENET ROM Register */
+#define	TULIP_REG_RSRVD		0x50	/* CSR10 -- Reserved */
+#define	TULIP_REG_FULL_DUPLEX	0x58	/* CSR11 -- Full Duplex */
+#define	TULIP_REG_SIA_STATUS	0x60	/* CSR12 -- SIA Status */
+#define	TULIP_REG_SIA_CONN	0x68	/* CSR13 -- SIA Connectivity */
+#define	TULIP_REG_SIA_TXRX	0x70	/* CSR14 -- SIA Tx Rx */
+#define	TULIP_REG_SIA_GEN	0x78	/* CSR15 -- SIA General */
+
+/*
+ * CSR5 -- Status Register
+ * CSR7 -- Interrupt Control
+ */
+#define	TULIP_STS_ERRORMASK	0x03800000L		/* ( R)  Error Bits (Valid when SYSERROR is set) */
+#define	TULIP_STS_ERR_PARITY	0x00000000L		/*        000 - Parity Error (Perform Reset) */
+#define	TULIP_STS_ERR_MASTER	0x00800000L		/*        001 - Master Abort */
+#define	TULIP_STS_ERR_TARGET	0x01000000L		/*        010 - Target Abort */
+#define	TULIP_STS_ERR_SHIFT	23
+#define	TULIP_STS_TXSTATEMASK	0x00700000L		/* ( R)  Transmission Process State */
+#define	TULIP_STS_TXS_RESET	0x00000000L		/*        000 - Rset or transmit jabber expired */
+#define	TULIP_STS_TXS_FETCH	0x00100000L		/*        001 - Fetching transmit descriptor */
+#define	TULIP_STS_TXS_WAITEND	0x00200000L		/*        010 - Wait for end of transmission */
+#define	TULIP_STS_TXS_READING	0x00300000L		/*        011 - Read buffer and enqueue data */
+#define	TULIP_STS_TXS_RSRVD	0x00400000L		/*        100 - Reserved */
+#define	TULIP_STS_TXS_SETUP	0x00500000L		/*        101 - Setup Packet */
+#define	TULIP_STS_TXS_SUSPEND	0x00600000L		/*        110 - Transmit FIFO underflow or an
+								  unavailable transmit descriptor */
+#define	TULIP_STS_TXS_CLOSE	0x00700000L		/*        111 - Close transmit descriptor */
+#define	TULIP_STS_RXSTATEMASK	0x000E0000L		/* ( R)  Receive Process State*/
+#define	TULIP_STS_RXS_STOPPED	0x00000000L		/*        000 - Stopped */
+#define	TULIP_STS_RXS_FETCH	0x00020000L		/*        001 - Running -- Fetch receive descriptor */
+#define	TULIP_STS_RXS_ENDCHECK	0x00040000L		/*        010 - Running -- Check for end of receive
+								  packet before prefetch of next descriptor */
+#define	TULIP_STS_RXS_WAIT	0x00060000L		/*        011 - Running -- Wait for receive packet */
+#define	TULIP_STS_RXS_SUSPEND	0x00080000L		/*        100 - Suspended -- As a result of
+								  unavailable receive buffers */
+#define	TULIP_STS_RXS_CLOSE	0x000A0000L		/*        101 - Running -- Close receive descriptor */
+#define	TULIP_STS_RXS_FLUSH	0x000C0000L		/*        110 - Running -- Flush the current frame
+								  from the receive FIFO as a result of
+								  an unavailable receive buffer */
+#define	TULIP_STS_RXS_DEQUEUE	0x000E0000L		/*        111 - Running -- Dequeue the receive frame
+								  from the receive FIFO into the receive
+								  buffer. */
+#define	TULIP_STS_NORMALINTR	0x00010000L		/* (RW)  Normal Interrupt */
+#define	TULIP_STS_ABNRMLINTR	0x00008000L		/* (RW)  Abnormal Interrupt */
+#define	TULIP_STS_SYSERROR	0x00002000L		/* (RW)  System Error */
+#define	TULIP_STS_LINKFAIL	0x00001000L		/* (RW)  Link Failure (21040) */
+#define	TULIP_STS_FULDPLXSHRT	0x00000800L		/* (RW)  Full Duplex Short Fram Rcvd (21040) */
+#define	TULIP_STS_GPTIMEOUT	0x00000800L		/* (RW)  General Purpose Timeout (21140) */
+#define	TULIP_STS_AUI		0x00000400L		/* (RW)  AUI/TP Switch (21040) */
+#define	TULIP_STS_RXTIMEOUT	0x00000200L		/* (RW)  Receive Watchbog Timeout */
+#define	TULIP_STS_RXSTOPPED	0x00000100L		/* (RW)  Receive Process Stopped */
+#define	TULIP_STS_RXNOBUF	0x00000080L		/* (RW)  Receive Buffer Unavailable */
+#define	TULIP_STS_RXINTR	0x00000040L		/* (RW)  Receive Interrupt */
+#define	TULIP_STS_TXUNDERFLOW	0x00000020L		/* (RW)  Transmit Underflow */
+#define	TULIP_STS_LINKPASS	0x00000010L		/* (RW)  LinkPass (21041) */
+#define	TULIP_STS_TXBABBLE	0x00000008L		/* (RW)  Transmit Jabber Timeout */
+#define	TULIP_STS_TXNOBUF	0x00000004L		/* (RW)  Transmit Buffer Unavailable */
+#define	TULIP_STS_TXSTOPPED	0x00000002L		/* (RW)  Transmit Process Stopped */
+#define	TULIP_STS_TXINTR	0x00000001L		/* (RW)  Transmit Interrupt */
+
+/*
+ * CSR6 -- Command (Operation Mode) Register
+ */
+#define	TULIP_CMD_MUSTBEONE	0x02000000L		/* (RW)  Must Be One (21140) */
+#define	TULIP_CMD_SCRAMBLER	0x01000000L		/* (RW)  Scrambler Mode (21140) */
+#define	TULIP_CMD_PCSFUNCTION	0x00800000L		/* (RW)  PCS Function (21140) */
+#define	TULIP_CMD_TXTHRSHLDCTL	0x00400000L		/* (RW)  Transmit Threshold Mode (21140) */
+#define	TULIP_CMD_STOREFWD	0x00200000L		/* (RW)  Store and Foward (21140) */
+#define	TULIP_CMD_NOHEARTBEAT	0x00080000L		/* (RW)  No Heartbeat (21140) */
+#define	TULIP_CMD_PORTSELECT	0x00040000L		/* (RW)  Post Select (100Mb) (21140) */
+#define	TULIP_CMD_ENHCAPTEFFCT	0x00040000L		/* (RW)  Enhanced Capture Effecty (21041) */
+#define	TULIP_CMD_CAPTREFFCT	0x00020000L		/* (RW)  Capture Effect (!802.3) */
+#define	TULIP_CMD_BACKPRESSURE	0x00010000L		/* (RW)  Back Pressure (!802.3) (21040) */
+#define	TULIP_CMD_THRESHOLDCTL	0x0000C000L		/* (RW)  Threshold Control */
+#define	TULIP_CMD_THRSHLD72	0x00000000L		/*       00 - 72 Bytes */
+#define	TULIP_CMD_THRSHLD96	0x00004000L		/*       01 - 96 Bytes */
+#define	TULIP_CMD_THRSHLD128	0x00008000L		/*       10 - 128 bytes */
+#define	TULIP_CMD_THRSHLD160	0x0000C000L		/*       11 - 160 Bytes */
+#define	TULIP_CMD_TXRUN 	0x00002000L		/* (RW)  Start/Stop Transmitter */
+#define	TULIP_CMD_FORCECOLL	0x00001000L		/* (RW)  Force Collisions */
+#define	TULIP_CMD_OPERMODE	0x00000C00L		/* (RW)  Operating Mode */
+#define	TULIP_CMD_FULLDUPLEX	0x00000200L		/* (RW)  Full Duplex Mode */
+#define	TULIP_CMD_FLAKYOSCDIS	0x00000100L		/* (RW)  Flakey Oscillator Disable */
+#define	TULIP_CMD_ALLMULTI	0x00000080L		/* (RW)  Pass All Multicasts */
+#define	TULIP_CMD_PROMISCUOUS	0x00000040L		/* (RW)  Promiscuous Mode */
+#define	TULIP_CMD_BACKOFFCTR	0x00000020L		/* (RW)  Start/Stop Backoff Counter (!802.3) */
+#define	TULIP_CMD_INVFILTER	0x00000010L		/* (R )  Inverse Filtering */
+#define	TULIP_CMD_PASSBADPKT	0x00000008L		/* (RW)  Pass Bad Frames  */
+#define	TULIP_CMD_HASHONLYFLTR	0x00000004L		/* (R )  Hash Only Filtering */
+#define	TULIP_CMD_RXRUN		0x00000002L		/* (RW)  Start/Stop Receive Filtering */
+#define	TULIP_CMD_HASHPRFCTFLTR	0x00000001L		/* (R )  Hash/Perfect Receive Filtering */
+
+#define TULIP_SIASTS_OTHERRXACTIVITY	0x00000200L
+#define TULIP_SIASTS_RXACTIVITY		0x00000100L
+#define	TULIP_SIASTS_LINKFAIL		0x00000004L
+#define	TULIP_SIACONN_RESET		0x00000000L
+
+/*
+ * 21040 SIA definitions
+ */
+#define	TULIP_21040_PROBE_10BASET_TIMEOUT	2500
+#define	TULIP_21040_PROBE_AUIBNC_TIMEOUT	300
+#define	TULIP_21040_PROBE_EXTSIA_TIMEOUT	300
+
+#define	TULIP_21040_SIACONN_10BASET	0x00008F01L
+#define	TULIP_21040_SIATXRX_10BASET	0x0000FFFFL
+#define	TULIP_21040_SIAGEN_10BASET	0x00000000L
+
+#define	TULIP_21040_SIACONN_10BASET_FD	0x00008F01L
+#define	TULIP_21040_SIATXRX_10BASET_FD	0x0000FFFDL
+#define	TULIP_21040_SIAGEN_10BASET_FD	0x00000000L
+
+#define	TULIP_21040_SIACONN_AUIBNC	0x00008F09L
+#define	TULIP_21040_SIATXRX_AUIBNC	0x00000705L
+#define	TULIP_21040_SIAGEN_AUIBNC	0x00000006L
+
+#define	TULIP_21040_SIACONN_EXTSIA	0x00003041L
+#define	TULIP_21040_SIATXRX_EXTSIA	0x00000000L
+#define	TULIP_21040_SIAGEN_EXTSIA	0x00000006L
+
+/*
+ * 21041 SIA definitions
+ */
+
+#define	TULIP_21041_PROBE_10BASET_TIMEOUT	2500
+#define	TULIP_21041_PROBE_AUIBNC_TIMEOUT	300
+
+#define	TULIP_21041_SIACONN_10BASET		0x0000EF01L
+#define	TULIP_21041_SIATXRX_10BASET		0x0000FF3FL
+#define	TULIP_21041_SIAGEN_10BASET		0x00000000L
+
+#define	TULIP_21041P2_SIACONN_10BASET		0x0000EF01L
+#define	TULIP_21041P2_SIATXRX_10BASET		0x0000FFFFL
+#define	TULIP_21041P2_SIAGEN_10BASET		0x00000000L
+
+#define	TULIP_21041_SIACONN_10BASET_FD		0x0000EF01L
+#define	TULIP_21041_SIATXRX_10BASET_FD		0x0000FF3DL
+#define	TULIP_21041_SIAGEN_10BASET_FD		0x00000000L
+
+#define	TULIP_21041P2_SIACONN_10BASET_FD	0x0000EF01L
+#define	TULIP_21041P2_SIATXRX_10BASET_FD	0x0000FFFFL
+#define	TULIP_21041P2_SIAGEN_10BASET_FD		0x00000000L
+
+#define	TULIP_21041_SIACONN_AUI			0x0000EF09L
+#define	TULIP_21041_SIATXRX_AUI			0x0000F73DL
+#define	TULIP_21041_SIAGEN_AUI			0x0000000EL
+
+#define	TULIP_21041P2_SIACONN_AUI		0x0000EF09L
+#define	TULIP_21041P2_SIATXRX_AUI		0x0000F7FDL
+#define	TULIP_21041P2_SIAGEN_AUI		0x0000000EL
+
+#define	TULIP_21041_SIACONN_BNC			0x0000EF09L
+#define	TULIP_21041_SIATXRX_BNC			0x0000F73DL
+#define	TULIP_21041_SIAGEN_BNC			0x00000006L
+
+#define	TULIP_21041P2_SIACONN_BNC		0x0000EF09L
+#define	TULIP_21041P2_SIATXRX_BNC		0x0000F7FDL
+#define	TULIP_21041P2_SIAGEN_BNC		0x00000006L
+
+/*
+ * 21142 SIA definitions
+ */
+
+#define	TULIP_21142_PROBE_10BASET_TIMEOUT	2500
+#define	TULIP_21142_PROBE_AUIBNC_TIMEOUT	300
+
+#define	TULIP_21142_SIACONN_10BASET		0x00000001L
+#define	TULIP_21142_SIATXRX_10BASET		0x0000F3FFL
+#define	TULIP_21142_SIAGEN_10BASET		0x00000000L
+
+#define	TULIP_21142_SIACONN_10BASET_FD		0x00000001L
+#define	TULIP_21142_SIATXRX_10BASET_FD		0x0000F3FDL
+#define	TULIP_21142_SIAGEN_10BASET_FD		0x00000000L
+
+#define	TULIP_21142_SIACONN_AUI			0x00000009L
+#define	TULIP_21142_SIATXRX_AUI			0x0000F3FDL
+#define	TULIP_21142_SIAGEN_AUI			0x0000000EL
+
+#define	TULIP_21142_SIACONN_BNC			0x00000009L
+#define	TULIP_21142_SIATXRX_BNC			0x0000F3FDL
+#define	TULIP_21142_SIAGEN_BNC			0x00000006L
+
+
+
+
+#define	TULIP_WATCHDOG_TXDISABLE	0x00000001L
+#define	TULIP_WATCHDOG_RXDISABLE	0x00000010L
+
+#define	TULIP_BUSMODE_SWRESET		0x00000001L
+#define	TULIP_BUSMODE_DESCSKIPLEN_MASK	0x0000007CL
+#define	TULIP_BUSMODE_BIGENDIAN		0x00000080L
+#define	TULIP_BUSMODE_BURSTLEN_MASK	0x00003F00L
+#define	TULIP_BUSMODE_BURSTLEN_DEFAULT	0x00000000L
+#define	TULIP_BUSMODE_BURSTLEN_1LW	0x00000100L
+#define	TULIP_BUSMODE_BURSTLEN_2LW	0x00000200L
+#define	TULIP_BUSMODE_BURSTLEN_4LW	0x00000400L
+#define	TULIP_BUSMODE_BURSTLEN_8LW	0x00000800L
+#define	TULIP_BUSMODE_BURSTLEN_16LW	0x00001000L
+#define	TULIP_BUSMODE_BURSTLEN_32LW	0x00002000L
+#define	TULIP_BUSMODE_CACHE_NOALIGN	0x00000000L
+#define	TULIP_BUSMODE_CACHE_ALIGN8	0x00004000L
+#define	TULIP_BUSMODE_CACHE_ALIGN16	0x00008000L
+#define	TULIP_BUSMODE_CACHE_ALIGN32	0x0000C000L
+#define	TULIP_BUSMODE_TXPOLL_NEVER	0x00000000L
+#define	TULIP_BUSMODE_TXPOLL_200000ns	0x00020000L
+#define	TULIP_BUSMODE_TXPOLL_800000ns	0x00040000L
+#define	TULIP_BUSMODE_TXPOLL_1600000ns	0x00060000L
+#define	TULIP_BUSMODE_TXPOLL_12800ns	0x00080000L	/* 21041 only */
+#define	TULIP_BUSMODE_TXPOLL_25600ns	0x000A0000L	/* 21041 only */
+#define	TULIP_BUSMODE_TXPOLL_51200ns	0x000C0000L	/* 21041 only */
+#define	TULIP_BUSMODE_TXPOLL_102400ns	0x000E0000L	/* 21041 only */
+#define	TULIP_BUSMODE_DESC_BIGENDIAN	0x00100000L	/* 21041 only */
+#define	TULIP_BUSMODE_READMULTIPLE	0x00200000L	/* */
+
+#define	TULIP_REG_CFDA			0x40
+#define	TULIP_CFDA_SLEEP		0x80000000L
+#define	TULIP_CFDA_SNOOZE		0x40000000L
+
+#define	TULIP_GP_PINSET			0x00000100L
+/*
+ * These are the defintitions used for the DEC 21140
+ * evaluation board.
+ */
+#define	TULIP_GP_EB_PINS		0x0000001F	/* General Purpose Pin directions */
+#define	TULIP_GP_EB_OK10		0x00000080	/* 10 Mb/sec Signal Detect gep<7> */
+#define	TULIP_GP_EB_OK100		0x00000040	/* 100 Mb/sec Signal Detect gep<6> */
+#define	TULIP_GP_EB_INIT		0x0000000B	/* No loopback --- point-to-point */
+
+/*
+ * These are the defintitions used for the SMC9332 (21140) board.
+ */
+#define	TULIP_GP_SMC_9332_PINS		0x0000003F	/* General Purpose Pin directions */
+#define	TULIP_GP_SMC_9332_OK10		0x00000080	/* 10 Mb/sec Signal Detect gep<7> */
+#define	TULIP_GP_SMC_9332_OK100		0x00000040	/* 100 Mb/sec Signal Detect gep<6> */
+#define	TULIP_GP_SMC_9332_INIT		0x00000009	/* No loopback --- point-to-point */
+
+#define	TULIP_OUI_SMC_0			0x00
+#define	TULIP_OUI_SMC_1			0x00
+#define	TULIP_OUI_SMC_2			0xC0
+
+/*
+ * There are the definitions used for the DEC DE500
+ * 10/100 family of boards
+ */
+#define	TULIP_GP_DE500_PINS		0x0000001FL
+#define	TULIP_GP_DE500_LINK_PASS	0x00000080L
+#define	TULIP_GP_DE500_SYM_LINK		0x00000040L
+#define	TULIP_GP_DE500_SIGNAL_DETECT	0x00000020L
+#define	TULIP_GP_DE500_PHY_RESET	0x00000010L
+#define	TULIP_GP_DE500_HALFDUPLEX	0x00000008L
+#define	TULIP_GP_DE500_PHY_LOOPBACK	0x00000004L
+#define	TULIP_GP_DE500_FORCE_LED	0x00000002L
+#define	TULIP_GP_DE500_FORCE_100	0x00000001L
+
+/*
+ * These are the defintitions used for the Cogent EM100
+ * 21140 board.
+ */
+#define	TULIP_GP_EM100_PINS		0x0000003F	/* General Purpose Pin directions */
+#define	TULIP_GP_EM100_INIT		0x00000009	/* No loopback --- point-to-point */
+#define	TULIP_OUI_COGENT_0		0x00
+#define	TULIP_OUI_COGENT_1		0x00
+#define	TULIP_OUI_COGENT_2		0x92
+#define	TULIP_COGENT_EM100_ID		0x12
+
+
+/*
+ * These are the defintitions used for the Znyx ZX342
+ * 10/100 board
+ */
+#define	TULIP_OUI_ZNYX_0		0x00
+#define	TULIP_OUI_ZNYX_1		0xC0
+#define	TULIP_OUI_ZNYX_2		0x95
+
+#define	TULIP_ZNYX_ID_ZX312		0x0602
+#define	TULIP_ZNYX_ID_ZX312T		0x0622
+#define	TULIP_ZNYX_ID_ZX314_INTA	0x0701
+#define	TULIP_ZNYX_ID_ZX314		0x0711
+#define	TULIP_ZNYX_ID_ZX315_INTA	0x0801
+#define	TULIP_ZNYX_ID_ZX315		0x0811
+#define	TULIP_ZNYX_ID_ZX342		0x0901
+#define	TULIP_ZNYX_ID_ZX342B		0x0921
+#define	TULIP_ZNYX_ID_ZX342_X3		0x0902
+#define	TULIP_ZNYX_ID_ZX342_X4		0x0903
+#define	TULIP_ZNYX_ID_ZX344		0x0A01
+#define	TULIP_ZNYX_ID_ZX351		0x0B01
+#define	TULIP_ZNYX_ID_ZX345		0x0C01
+#define	TULIP_ZNYX_ID_ZX311		0x0D01
+#define	TULIP_ZNYX_ID_ZX346		0x0E01
+
+#define	TULIP_GP_ZX34X_PINS		0x0000001F	/* General Purpose Pin directions */
+#define	TULIP_GP_ZX344_PINS		0x0000000B	/* General Purpose Pin directions */
+#define	TULIP_GP_ZX345_PINS		0x00000003	/* General Purpose Pin directions */
+#define	TULIP_GP_ZX346_PINS		0x00000043	/* General Purpose Pin directions */
+#define	TULIP_GP_ZX34X_LNKFAIL		0x00000080	/* 10Mb/s Link Failure */
+#define	TULIP_GP_ZX34X_SYMDET		0x00000040	/* 100Mb/s Symbol Detect */
+#define	TULIP_GP_ZX345_PHYACT		0x00000040	/* PHY Activity */
+#define	TULIP_GP_ZX34X_SIGDET		0x00000020	/* 100Mb/s Signal Detect */
+#define	TULIP_GP_ZX346_AUTONEG_ENABLED	0x00000020	/* 802.3u autoneg enabled */
+#define	TULIP_GP_ZX342_COLENA		0x00000008	/* 10t Ext LB */
+#define	TULIP_GP_ZX344_ROTINT		0x00000008	/* PPB IRQ rotation */
+#define	TULIP_GP_ZX345_SPEED10		0x00000008	/* 10Mb speed detect */
+#define	TULIP_GP_ZX346_SPEED100		0x00000008	/* 100Mb speed detect */
+#define	TULIP_GP_ZX34X_NCOLENA		0x00000004	/* 10t Int LB */
+#define	TULIP_GP_ZX34X_RXMATCH		0x00000004	/* RX Match */
+#define	TULIP_GP_ZX346_FULLDUPLEX	0x00000004	/* Full Duplex Sensed */
+#define	TULIP_GP_ZX34X_LB102		0x00000002	/* 100tx twister LB */
+#define	TULIP_GP_ZX34X_NLB101		0x00000001	/* PDT/PDR LB */
+#define	TULIP_GP_ZX34X_INIT		0x00000009	
+
+/*
+ * Compex's OUI.  We need to twiddle a bit on their 21041 card.
+ */
+#define	TULIP_OUI_COMPEX_0		0x00
+#define	TULIP_OUI_COMPEX_1		0x80
+#define	TULIP_OUI_COMPEX_2		0x48
+#define	TULIP_21041_COMPEX_XREGDATA	1
+
+/*
+ * Asante's OUI and stuff...
+ */
+#define TULIP_OUI_ASANTE_0		0x00
+#define TULIP_OUI_ASANTE_1		0x00
+#define TULIP_OUI_ASANTE_2		0x94
+#define TULIP_GP_ASANTE_PINS		0x000000bf	/* GP pin config */
+#define TULIP_GP_ASANTE_PHYRESET	0x00000008	/* Reset PHY */
+
+/*
+ * SROM definitions for the 21140 and 21041.
+ */
+#define	SROMXREG	0x0400
+#define SROMSEL         0x0800
+#define SROMRD          0x4000
+#define SROMWR          0x2000
+#define SROMDIN         0x0008
+#define SROMDOUT        0x0004
+#define SROMDOUTON      0x0004
+#define SROMDOUTOFF     0x0004
+#define SROMCLKON       0x0002
+#define SROMCLKOFF      0x0002
+#define SROMCSON        0x0001
+#define SROMCSOFF       0x0001
+#define SROMCS          0x0001
+
+#define	SROMCMD_MODE	4
+#define	SROMCMD_WR	5
+#define	SROMCMD_RD	6
+
+#define	SROM_BITWIDTH	6
+
+/*
+ * MII Definitions for the 21041 and 21140/21140A/21142
+ */
+#define	MII_PREAMBLE		(~0)
+#define	MII_TEST		0xAAAAAAAA
+#define	MII_RDCMD		0xF6		/* 1111.0110 */
+#define	MII_WRCMD		0xF5		/* 1111.0101 */
+#define	MII_DIN			0x00080000
+#define	MII_RD			0x00040000
+#define	MII_WR			0x00000000
+#define	MII_DOUT		0x00020000
+#define	MII_CLK			0x00010000
+#define	MII_CLKON		MII_CLK
+#define	MII_CLKOFF		MII_CLK
+
+#define	PHYREG_CONTROL			0
+#define	PHYREG_STATUS			1
+#define	PHYREG_IDLOW			2
+#define	PHYREG_IDHIGH			3
+#define	PHYREG_AUTONEG_ADVERTISEMENT	4
+#define	PHYREG_AUTONEG_ABILITIES	5
+#define	PHYREG_AUTONEG_EXPANSION	6
+#define	PHYREG_AUTONEG_NEXTPAGE		7
+
+#define	PHYSTS_100BASET4	0x8000
+#define	PHYSTS_100BASETX_FD	0x4000
+#define	PHYSTS_100BASETX	0x2000
+#define	PHYSTS_10BASET_FD	0x1000
+#define	PHYSTS_10BASET		0x0800
+#define	PHYSTS_AUTONEG_DONE	0x0020
+#define	PHYSTS_REMOTE_FAULT	0x0010
+#define	PHYSTS_CAN_AUTONEG	0x0008
+#define	PHYSTS_LINK_UP		0x0004
+#define	PHYSTS_JABBER_DETECT	0x0002
+#define	PHYSTS_EXTENDED_REGS	0x0001
+
+#define	PHYCTL_RESET		0x8000
+#define	PHYCTL_SELECT_100MB	0x2000
+#define	PHYCTL_AUTONEG_ENABLE	0x1000
+#define	PHYCTL_ISOLATE		0x0400
+#define	PHYCTL_AUTONEG_RESTART	0x0200
+#define	PHYCTL_FULL_DUPLEX	0x0100
+
+
+#define MII_RD          0x00040000
+#define MII_WR          0x00000000
+#define MII_DIN         0x00080000
+#define MII_DOUT        0x00020000
+#define MII_DOUTON      MII_DOUT
+#define MII_DOUTOFF     MII_DOUT
+#define MII_CLK		0x00010000
+#define MII_CLKON       MII_CLK
+#define MII_CLKOFF      MII_CLK
+
+/*
+ * Definitions for the DE425.
+ */
+#define	DE425_CFID		0x08	/* Configuration Id */
+#define	DE425_CFCS		0x0C	/* Configuration Command-Status */
+#define	DE425_CFRV		0x18	/* Configuration Revision */
+#define	DE425_CFLT		0x1C	/* Configuration Latency Timer */
+#define	DE425_CBIO		0x28	/* Configuration Base IO Address */
+#define	DE425_CFDA		0x2C	/* Configuration Driver Area */
+#define	DE425_ENETROM_OFFSET	0xC90	/* Offset in I/O space for ENETROM */
+#define	DE425_CFG0		0xC88	/* IRQ register */
+#define	DE425_EISAID		0x10a34250 /* EISA device id */
+#define	DE425_EISA_IOSIZE	0x100
+
+#define	DEC_VENDORID		0x1011
+#define	CHIPID_21040		0x0002
+#define	CHIPID_21140		0x0009
+#define	CHIPID_21041		0x0014
+#define	CHIPID_21142		0x0019
+#define	PCI_VENDORID(x)		((x) & 0xFFFF)
+#define	PCI_CHIPID(x)		(((x) >> 16) & 0xFFFF)
+
+/*
+ * Generic SROM Format
+ *
+ *
+ */
+
+typedef struct {
+    u_int8_t sh_idbuf[18];
+    u_int8_t sh_version;
+    u_int8_t sh_adapter_count;
+    u_int8_t sh_ieee802_address[6];
+} tulip_srom_header_t;
+
+typedef struct {
+    u_int8_t sai_device;
+    u_int8_t sai_leaf_offset_lowbyte;
+    u_int8_t sai_leaf_offset_highbyte;
+} tulip_srom_adapter_info_t;
+
+typedef enum {
+    TULIP_SROM_CONNTYPE_10BASET			=0x0000,
+    TULIP_SROM_CONNTYPE_BNC			=0x0001,
+    TULIP_SROM_CONNTYPE_AUI			=0x0002,
+    TULIP_SROM_CONNTYPE_100BASETX		=0x0003,
+    TULIP_SROM_CONNTYPE_100BASET4		=0x0006,
+    TULIP_SROM_CONNTYPE_100BASEFX		=0x0007,
+    TULIP_SROM_CONNTYPE_MII_10BASET		=0x0009,
+    TULIP_SROM_CONNTYPE_MII_100BASETX		=0x000D,
+    TULIP_SROM_CONNTYPE_MII_100BASET4		=0x000F,
+    TULIP_SROM_CONNTYPE_MII_100BASEFX		=0x0010,
+    TULIP_SROM_CONNTYPE_10BASET_NWAY		=0x0100,
+    TULIP_SROM_CONNTYPE_10BASET_FD		=0x0204,
+    TULIP_SROM_CONNTYPE_MII_10BASET_FD		=0x020A,
+    TULIP_SROM_CONNTYPE_100BASETX_FD		=0x020E,
+    TULIP_SROM_CONNTYPE_MII_100BASETX_FD	=0x0211,
+    TULIP_SROM_CONNTYPE_10BASET_NOLINKPASS	=0x0400,
+    TULIP_SROM_CONNTYPE_AUTOSENSE		=0x0800,
+    TULIP_SROM_CONNTYPE_AUTOSENSE_POWERUP	=0x8800,
+    TULIP_SROM_CONNTYPE_AUTOSENSE_NWAY		=0x9000,
+    TULIP_SROM_CONNTYPE_NOT_USED		=0xFFFF
+} tulip_srom_connection_t;
+
+typedef enum {
+    TULIP_SROM_MEDIA_10BASET			=0x0000,
+    TULIP_SROM_MEDIA_BNC			=0x0001,
+    TULIP_SROM_MEDIA_AUI			=0x0002,
+    TULIP_SROM_MEDIA_100BASETX			=0x0003,
+    TULIP_SROM_MEDIA_10BASET_FD			=0x0004,
+    TULIP_SROM_MEDIA_100BASETX_FD		=0x0005,
+    TULIP_SROM_MEDIA_100BASET4			=0x0006,
+    TULIP_SROM_MEDIA_100BASEFX			=0x0007,
+    TULIP_SROM_MEDIA_100BASEFX_FD		=0x0008
+} tulip_srom_media_t;
+
+#define	TULIP_SROM_21041_EXTENDED	0x40
+
+#define	TULIP_SROM_2114X_NOINDICATOR	0x8000
+#define	TULIP_SROM_2114X_DEFAULT	0x4000
+#define	TULIP_SROM_2114X_POLARITY	0x0080
+#define	TULIP_SROM_2114X_CMDBITS(n)	(((n) & 0x0071) << 18)
+#define	TULIP_SROM_2114X_BITPOS(b)	(1 << (((b) & 0x0E) >> 1))
+
+
+
+#endif /* !defined(_DC21040_H) */
diff --git a/sys/pci/if_de.c b/sys/pci/if_de.c
new file mode 100644
index 000000000000..a2c0916456ed
--- /dev/null
+++ b/sys/pci/if_de.c
@@ -0,0 +1,4958 @@
+/*-
+ * 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_de.c,v 1.85 1997/05/08 16:48:22 thomas Exp $
+ *
+ */
+
+/*
+ * DEC 21040 PCI Ethernet Controller
+ *
+ * Written by Matt Thomas
+ * BPF support code stolen directly from if_ec.c
+ *
+ *   This driver supports the DEC DE435 or any other PCI
+ *   board which support 21040, 21041, or 21140 (mostly).
+ */
+#define	TULIP_HDR_DATA
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/mbuf.h>
+#include <sys/protosw.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <sys/errno.h>
+#include <sys/malloc.h>
+#include <sys/kernel.h>
+#include <sys/proc.h>	/* only for declaration of wakeup() used by vm.h */
+#if defined(__FreeBSD__)
+#include <machine/clock.h>
+#elif defined(__bsdi__) || defined(__NetBSD__)
+#include <sys/device.h>
+#endif
+
+#include <net/if.h>
+#if defined(SIOCSIFMEDIA) && !defined(TULIP_NOIFMEDIA)
+#include <net/if_media.h>
+#endif
+#include <net/if_types.h>
+#include <net/if_dl.h>
+#include <net/route.h>
+#include <net/netisr.h>
+
+#if defined(__bsdi__) && _BSDI_VERSION >= 199701
+#include <dev/mii/mii.h>
+#include <dev/mii/miivar.h>
+#endif
+
+#include "bpfilter.h"
+#if NBPFILTER > 0
+#include <net/bpf.h>
+#include <net/bpfdesc.h>
+#endif
+
+#ifdef INET
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/in_var.h>
+#include <netinet/ip.h>
+#endif
+
+#ifdef NS
+#include <netns/ns.h>
+#include <netns/ns_if.h>
+#endif
+
+#include <vm/vm.h>
+#include <vm/vm_param.h>
+#include <vm/vm_kern.h>
+
+#if defined(__FreeBSD__)
+#include <vm/pmap.h>
+#include <pci.h>
+#include <netinet/if_ether.h>
+#if NPCI > 0
+#include <pci/pcivar.h>
+#include <pci/dc21040reg.h>
+#define	DEVAR_INCLUDE	"pci/if_devar.h"
+#endif
+#endif /* __FreeBSD__ */
+
+#if defined(__bsdi__)
+#include <netinet/if_ether.h>
+#include <i386/pci/ic/dc21040reg.h>
+#include <i386/isa/isa.h>
+#include <i386/isa/icu.h>
+#include <i386/isa/dma.h>
+#include <i386/isa/isavar.h>
+#include <i386/pci/pci.h>
+#if _BSDI_VERSION < 199510
+#include <eisa.h>
+#else
+#define	NEISA 0
+#endif
+#if NEISA > 0 && _BSDI_VERSION >= 199401
+#include <i386/eisa/eisa.h>
+#define	TULIP_EISA
+#endif
+#define	DEVAR_INCLUDE	"i386/pci/if_devar.h"
+#endif /* __bsdi__ */
+
+#if defined(__NetBSD__)
+#include <net/if_ether.h>
+#if defined(INET)
+#include <netinet/if_inarp.h>
+#endif
+#include <machine/bus.h>
+#if defined(__alpha__)
+#include <machine/intr.h>
+#endif
+#include <dev/pci/pcireg.h>
+#include <dev/pci/pcivar.h>
+#include <dev/ic/dc21040reg.h>
+#define	DEVAR_INCLUDE	"dev/pci/if_devar.h"
+#endif /* __NetBSD__ */
+
+/*
+ * Intel CPUs should use I/O mapped access.
+ */
+#if defined(__i386__) || defined(TULIP_EISA)
+#define	TULIP_IOMAPPED
+#endif
+
+#if 0
+/*
+ * This turns on all sort of debugging stuff and make the
+ * driver much larger.
+ */
+#define TULIP_DEBUG
+#endif
+
+#if 0
+#define	TULIP_USE_SOFTINTR
+#endif
+
+#define	TULIP_HZ	10
+
+#include DEVAR_INCLUDE
+/*
+ * This module supports
+ *	the DEC 21040 PCI Ethernet Controller.
+ *	the DEC 21041 PCI Ethernet Controller.
+ *	the DEC 21140 PCI Fast Ethernet Controller.
+ */
+static void tulip_mii_autonegotiate(tulip_softc_t * const sc, const unsigned phyaddr);
+static tulip_intrfunc_t tulip_intr_shared(void *arg);
+static tulip_intrfunc_t tulip_intr_normal(void *arg);
+static void tulip_init(tulip_softc_t * const sc);
+static void tulip_reset(tulip_softc_t * const sc);
+static ifnet_ret_t tulip_ifstart(struct ifnet *ifp);
+static void tulip_rx_intr(tulip_softc_t * const sc);
+static void tulip_addr_filter(tulip_softc_t * const sc);
+static unsigned tulip_mii_readreg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno);
+static void tulip_mii_writereg(tulip_softc_t * const sc, unsigned devaddr, unsigned regno, unsigned data);
+static int tulip_mii_map_abilities(tulip_softc_t * const sc, unsigned abilities);
+static tulip_media_t tulip_mii_phy_readspecific(tulip_softc_t * const sc);
+static int tulip_srom_decode(tulip_softc_t * const sc);
+#if defined(IFM_ETHER)
+static int tulip_ifmedia_change(struct ifnet * const ifp);
+static void tulip_ifmedia_status(struct ifnet * const ifp, struct ifmediareq *req);
+#endif
+/* static void tulip_21140_map_media(tulip_softc_t *sc); */
+
+static void
+tulip_timeout_callback(
+    void *arg)
+{
+    tulip_softc_t * const sc = arg;
+    tulip_spl_t s = TULIP_RAISESPL();
+
+    sc->tulip_flags &= ~TULIP_TIMEOUTPENDING;
+    sc->tulip_probe_timeout -= 1000 / TULIP_HZ;
+    (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_TIMER);
+    TULIP_RESTORESPL(s);
+}
+
+static void
+tulip_timeout(
+    tulip_softc_t * const sc)
+{
+    if (sc->tulip_flags & TULIP_TIMEOUTPENDING)
+	return;
+    sc->tulip_flags |= TULIP_TIMEOUTPENDING;
+    timeout(tulip_timeout_callback, sc, (hz + TULIP_HZ / 2) / TULIP_HZ);
+}
+
+#if defined(TULIP_NEED_FASTTIMEOUT)
+static void
+tulip_fasttimeout_callback(
+    void *arg)
+{
+    tulip_softc_t * const sc = arg;
+    tulip_spl_t s = TULIP_RAISESPL();
+
+    sc->tulip_flags &= ~TULIP_FASTTIMEOUTPENDING;
+    (sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_FASTTIMER);
+    TULIP_RESTORESPL(s);
+}
+
+static void
+tulip_fasttimeout(
+    tulip_softc_t * const sc)
+{
+    if (sc->tulip_flags & TULIP_FASTTIMEOUTPENDING)
+	return;
+    sc->tulip_flags |= TULIP_FASTTIMEOUTPENDING;
+    timeout(tulip_fasttimeout_callback, sc, 1);
+}
+#endif
+
+static int
+tulip_txprobe(
+    tulip_softc_t * const sc)
+{
+    struct mbuf *m;
+    /*
+     * Before we are sure this is the right media we need
+     * to send a small packet to make sure there's carrier.
+     * Strangely, BNC and AUI will 'see" receive data if
+     * either is connected so the transmit is the only way
+     * to verify the connectivity.
+     */
+    MGETHDR(m, M_DONTWAIT, MT_DATA);
+    if (m == NULL)
+	return 0;
+    /*
+     * Construct a LLC TEST message which will point to ourselves.
+     */
+    bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_dhost, 6);
+    bcopy(sc->tulip_enaddr, mtod(m, struct ether_header *)->ether_shost, 6);
+    mtod(m, struct ether_header *)->ether_type = htons(3);
+    mtod(m, unsigned char *)[14] = 0;
+    mtod(m, unsigned char *)[15] = 0;
+    mtod(m, unsigned char *)[16] = 0xE3;	/* LLC Class1 TEST (no poll) */
+    m->m_len = m->m_pkthdr.len = sizeof(struct ether_header) + 3;
+    /*
+     * send it!
+     */
+    sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
+    sc->tulip_flags |= TULIP_TXPROBE_ACTIVE;
+    TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
+    IF_PREPEND(&sc->tulip_if.if_snd, m);
+    tulip_ifstart(&sc->tulip_if);
+    sc->tulip_probe.probe_txprobes++;
+    return 1;
+}
+
+#ifdef BIG_PACKET
+#define TULIP_SIAGEN_WATCHDOG	(sc->tulip_if.if_mtu > ETHERMTU ? TULIP_WATCHDOG_RXDISABLE|TULIP_WATCHDOG_TXDISABLE : 0)
+#else
+#define	TULIP_SIAGEN_WATCHDOG	0
+#endif
+
+static void
+tulip_media_set(
+    tulip_softc_t * const sc,
+    tulip_media_t media)
+{
+    const tulip_media_info_t *mi = sc->tulip_mediums[media];
+
+    if (mi == NULL)
+	return;
+
+    /*
+     * If we are switching media, make sure we don't think there's
+     * any stale RX activity
+     */
+    sc->tulip_flags &= ~TULIP_RXACT;
+    if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
+	TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
+	TULIP_CSR_WRITE(sc, csr_sia_tx_rx,        mi->mi_sia_tx_rx);
+	if (sc->tulip_features & TULIP_HAVE_SIAGP) {
+	    TULIP_CSR_WRITE(sc, csr_sia_general,  mi->mi_sia_gp_control|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
+	    TULIP_CSR_WRITE(sc, csr_sia_general,  mi->mi_sia_gp_data|mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
+	} else {
+	    TULIP_CSR_WRITE(sc, csr_sia_general,  mi->mi_sia_general|TULIP_SIAGEN_WATCHDOG);
+	}
+	TULIP_CSR_WRITE(sc, csr_sia_connectivity, mi->mi_sia_connectivity);
+    } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
+#define	TULIP_GPR_CMDBITS	(TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION|TULIP_CMD_SCRAMBLER|TULIP_CMD_TXTHRSHLDCTL)
+	/*
+	 * If the cmdmode bits don't match the currently operating mode,
+	 * set the cmdmode appropriately and reset the chip.
+	 */
+	if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
+	    sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
+	    sc->tulip_cmdmode |= mi->mi_cmdmode;
+	    tulip_reset(sc);
+	}
+	TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
+	DELAY(10);
+	TULIP_CSR_WRITE(sc, csr_gp, (u_int8_t) mi->mi_gpdata);
+    } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
+	/*
+	 * If the cmdmode bits don't match the currently operating mode,
+	 * set the cmdmode appropriately and reset the chip.
+	 */
+	if (((mi->mi_cmdmode ^ TULIP_CSR_READ(sc, csr_command)) & TULIP_GPR_CMDBITS) != 0) {
+	    sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
+	    sc->tulip_cmdmode |= mi->mi_cmdmode;
+	    tulip_reset(sc);
+	}
+	TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpcontrol);
+	TULIP_CSR_WRITE(sc, csr_sia_general, mi->mi_gpdata);
+    } else if (mi->mi_type == TULIP_MEDIAINFO_MII
+	       && sc->tulip_probe_state != TULIP_PROBE_INACTIVE) {
+	int idx;
+	if (sc->tulip_features & TULIP_HAVE_SIAGP) {
+	    const u_int8_t *dp;
+	    dp = &sc->tulip_rombuf[mi->mi_reset_offset];
+	    for (idx = 0; idx < mi->mi_reset_length; idx++, dp += 2) {
+		DELAY(10);
+		TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
+	    }
+	    sc->tulip_phyaddr = mi->mi_phyaddr;
+	    dp = &sc->tulip_rombuf[mi->mi_gpr_offset];
+	    for (idx = 0; idx < mi->mi_gpr_length; idx++, dp += 2) {
+		DELAY(10);
+		TULIP_CSR_WRITE(sc, csr_sia_general, (dp[0] + 256 * dp[1]) << 16);
+	    }
+	} else {
+	    for (idx = 0; idx < mi->mi_reset_length; idx++) {
+		DELAY(10);
+		TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx]);
+	    }
+	    sc->tulip_phyaddr = mi->mi_phyaddr;
+	    for (idx = 0; idx < mi->mi_gpr_length; idx++) {
+		DELAY(10);
+		TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx]);
+	    }
+	}
+	if (sc->tulip_flags & TULIP_TRYNWAY) {
+	    tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
+	} else if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
+	    u_int32_t data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_CONTROL);
+	    data &= ~(PHYCTL_SELECT_100MB|PHYCTL_FULL_DUPLEX|PHYCTL_AUTONEG_ENABLE);
+	    sc->tulip_flags &= ~TULIP_DIDNWAY;
+	    if (TULIP_IS_MEDIA_FD(media))
+		data |= PHYCTL_FULL_DUPLEX;
+	    if (TULIP_IS_MEDIA_100MB(media))
+		data |= PHYCTL_SELECT_100MB;
+	    tulip_mii_writereg(sc, sc->tulip_phyaddr, PHYREG_CONTROL, data);
+	}
+    }
+}
+
+static void
+tulip_linkup(
+    tulip_softc_t * const sc,
+    tulip_media_t media)
+{
+    if ((sc->tulip_flags & TULIP_LINKUP) == 0)
+	sc->tulip_flags |= TULIP_PRINTLINKUP;
+    sc->tulip_flags |= TULIP_LINKUP;
+    sc->tulip_if.if_flags &= ~IFF_OACTIVE;
+#if 0 /* XXX how does with work with ifmedia? */
+    if ((sc->tulip_flags & TULIP_DIDNWAY) == 0) {
+	if (sc->tulip_if.if_flags & IFF_FULLDUPLEX) {
+	    if (TULIP_CAN_MEDIA_FD(media)
+		    && sc->tulip_mediums[TULIP_FD_MEDIA_OF(media)] != NULL)
+		media = TULIP_FD_MEDIA_OF(media);
+	} else {
+	    if (TULIP_IS_MEDIA_FD(media)
+		    && sc->tulip_mediums[TULIP_HD_MEDIA_OF(media)] != NULL)
+		media = TULIP_HD_MEDIA_OF(media);
+	}
+    }
+#endif
+    if (sc->tulip_media != media) {
+#ifdef TULIP_DEBUG
+	sc->tulip_dbg.dbg_last_media = sc->tulip_media;
+#endif
+	sc->tulip_media = media;
+	sc->tulip_flags |= TULIP_PRINTMEDIA;
+	if (TULIP_IS_MEDIA_FD(sc->tulip_media)) {
+	    sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
+	} else if (sc->tulip_chipid != TULIP_21041 || (sc->tulip_flags & TULIP_DIDNWAY) == 0) {
+	    sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
+	}
+    }
+    /*
+     * We could set probe_timeout to 0 but setting to 3000 puts this
+     * in one central place and the only matters is tulip_link is
+     * followed by a tulip_timeout.  Therefore setting it should not
+     * result in aberrant behavour.
+     */
+    sc->tulip_probe_timeout = 3000;
+    sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
+    sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_TRYNWAY);
+    if (sc->tulip_flags & TULIP_INRESET) {
+	tulip_media_set(sc, sc->tulip_media);
+    } else {
+	tulip_reset(sc);
+	tulip_init(sc);
+    }
+}
+
+static void
+tulip_media_print(
+    tulip_softc_t * const sc)
+{
+    if ((sc->tulip_flags & TULIP_LINKUP) == 0)
+	return;
+    if (sc->tulip_flags & TULIP_PRINTMEDIA) {
+	printf(TULIP_PRINTF_FMT ": enabling %s port\n",
+	       TULIP_PRINTF_ARGS,
+	       tulip_mediums[sc->tulip_media]);
+	sc->tulip_flags &= ~(TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
+    } else if (sc->tulip_flags & TULIP_PRINTLINKUP) {
+	printf(TULIP_PRINTF_FMT ": link up\n", TULIP_PRINTF_ARGS);
+	sc->tulip_flags &= ~TULIP_PRINTLINKUP;
+    }
+}
+
+#if defined(TULIP_DO_GPR_SENSE)
+static tulip_media_t
+tulip_21140_gpr_media_sense(
+    tulip_softc_t * const sc)
+{
+    tulip_media_t maybe_media = TULIP_MEDIA_UNKNOWN;
+    tulip_media_t last_media = TULIP_MEDIA_UNKNOWN;
+    tulip_media_t media;
+
+    /*
+     * If one of the media blocks contained a default media flag,
+     * use that.
+     */
+    for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
+	const tulip_media_info_t *mi;
+	/*
+	 * Media is not supported (or is full-duplex).
+	 */
+	if ((mi = sc->tulip_mediums[media]) == NULL || TULIP_IS_MEDIA_FD(media))
+	    continue;
+	if (mi->mi_type != TULIP_MEDIAINFO_GPR)
+	    continue;
+
+	/*
+	 * Remember the media is this is the "default" media.
+	 */
+	if (mi->mi_default && maybe_media == TULIP_MEDIA_UNKNOWN)
+	    maybe_media = media;
+
+	/*
+	 * No activity mask?  Can't see if it is active if there's no mask.
+	 */
+	if (mi->mi_actmask == 0)
+	    continue;
+
+	/*
+	 * Does the activity data match?
+	 */
+	if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) != mi->mi_actdata)
+	    continue;
+
+#if defined(TULIP_DEBUG)
+	printf(TULIP_PRINTF_FMT ": gpr_media_sense: %s: 0x%02x & 0x%02x == 0x%02x\n",
+	       TULIP_PRINTF_ARGS, tulip_mediums[media],
+	       TULIP_CSR_READ(sc, csr_gp) & 0xFF,
+	       mi->mi_actmask, mi->mi_actdata);
+#endif
+	/*
+	 * It does!  If this is the first media we detected, then 
+	 * remember this media.  If isn't the first, then there were
+	 * multiple matches which we equate to no match (since we don't
+	 * which to select (if any).
+	 */
+	if (last_media == TULIP_MEDIA_UNKNOWN) {
+	    last_media = media;
+	} else if (last_media != media) {
+	    last_media = TULIP_MEDIA_UNKNOWN;
+	}
+    }
+    return (last_media != TULIP_MEDIA_UNKNOWN) ? last_media : maybe_media;
+}
+#endif /* TULIP_DO_GPR_SENSE */
+
+static tulip_link_status_t
+tulip_media_link_monitor(
+    tulip_softc_t * const sc)
+{
+    const tulip_media_info_t * const mi = sc->tulip_mediums[sc->tulip_media];
+    tulip_link_status_t linkup = TULIP_LINK_DOWN;
+
+    if (mi == NULL) {
+#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG)
+	panic("tulip_media_link_monitor: %s: botch at line %d\n",
+	      tulip_mediums[sc->tulip_media],__LINE__);
+#endif
+	return TULIP_LINK_UNKNOWN;
+    }
+
+
+    /*
+     * Have we seen some packets?  If so, the link must be good.
+     */
+    if ((sc->tulip_flags & (TULIP_RXACT|TULIP_LINKUP)) == (TULIP_RXACT|TULIP_LINKUP)) {
+	sc->tulip_flags &= ~TULIP_RXACT;
+	sc->tulip_probe_timeout = 3000;
+	return TULIP_LINK_UP;
+    }
+
+    sc->tulip_flags &= ~TULIP_RXACT;
+    if (mi->mi_type == TULIP_MEDIAINFO_MII) {
+	u_int32_t status;
+	/*
+	 * Read the PHY status register.
+	 */
+	status = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
+	if (status & PHYSTS_AUTONEG_DONE) {
+	    /*
+	     * If the PHY has completed autonegotiation, see the if the
+	     * remote systems abilities have changed.  If so, upgrade or
+	     * downgrade as appropriate.
+	     */
+	    u_int32_t abilities = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_AUTONEG_ABILITIES);
+	    abilities = (abilities << 6) & status;
+	    if (abilities != sc->tulip_abilities) {
+#if defined(TULIP_DEBUG)
+		loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation changed: 0x%04x -> 0x%04x\n",
+			   TULIP_PRINTF_ARGS, sc->tulip_phyaddr,
+			   sc->tulip_abilities, abilities);
+#endif
+		if (tulip_mii_map_abilities(sc, abilities)) {
+		    tulip_linkup(sc, sc->tulip_probe_media);
+		    return TULIP_LINK_UP;
+		}
+		/*
+		 * if we had selected media because of autonegotiation,
+		 * we need to probe for the new media.
+		 */
+		sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
+		if (sc->tulip_flags & TULIP_DIDNWAY)
+		    return TULIP_LINK_DOWN;
+	    }
+	}
+	/*
+	 * The link is now up.  If was down, say its back up.
+	 */
+	if ((status & (PHYSTS_LINK_UP|PHYSTS_REMOTE_FAULT)) == PHYSTS_LINK_UP)
+	    linkup = TULIP_LINK_UP;
+    } else if (mi->mi_type == TULIP_MEDIAINFO_GPR) {
+	/*
+	 * No activity sensor?  Assume all's well.
+	 */
+	if (mi->mi_actmask == 0)
+	    return TULIP_LINK_UNKNOWN;
+	/*
+	 * Does the activity data match?
+	 */
+	if ((TULIP_CSR_READ(sc, csr_gp) & mi->mi_actmask) == mi->mi_actdata)
+	    linkup = TULIP_LINK_UP;
+    } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
+	/*
+	 * Assume non TP ok for now.
+	 */
+	if (!TULIP_IS_MEDIA_TP(sc->tulip_media))
+	    return TULIP_LINK_UNKNOWN;
+	if ((TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL) == 0)
+	    linkup = TULIP_LINK_UP;
+    } else if (mi->mi_type == TULIP_MEDIAINFO_SYM) {
+	return TULIP_LINK_UNKNOWN;
+    }
+    /*
+     * We will wait for 3 seconds until the link goes into suspect mode.
+     */
+    if (sc->tulip_flags & TULIP_LINKUP) {
+	if (linkup == TULIP_LINK_UP)
+	    sc->tulip_probe_timeout = 3000;
+	if (sc->tulip_probe_timeout > 0)
+	    return TULIP_LINK_UP;
+
+	sc->tulip_flags &= ~TULIP_LINKUP;
+	printf(TULIP_PRINTF_FMT ": link down: cable problem?\n", TULIP_PRINTF_ARGS);
+    }
+#if defined(TULIP_DEBUG)
+    sc->tulip_dbg.dbg_link_downed++;
+#endif
+    return TULIP_LINK_DOWN;
+}
+
+static void
+tulip_media_poll(
+    tulip_softc_t * const sc,
+    tulip_mediapoll_event_t event)
+{
+#if defined(TULIP_DEBUG)
+    sc->tulip_dbg.dbg_events[event]++;
+#endif
+    if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE
+	    && event == TULIP_MEDIAPOLL_TIMER) {
+	switch (tulip_media_link_monitor(sc)) {
+	    case TULIP_LINK_DOWN: {
+		/*
+		 * Link Monitor failed.  Probe for new media.
+		 */
+		event = TULIP_MEDIAPOLL_LINKFAIL;
+		break;
+	    }
+	    case TULIP_LINK_UP: {
+		/*
+		 * Check again soon.
+		 */
+		tulip_timeout(sc);
+		return;
+	    }
+	    case TULIP_LINK_UNKNOWN: {
+		/*
+		 * We can't tell so don't bother.
+		 */
+		return;
+	    }
+	}
+    }
+
+    if (event == TULIP_MEDIAPOLL_LINKFAIL) {
+	if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE) {
+	    if (TULIP_DO_AUTOSENSE(sc)) {
+#if defined(TULIP_DEBUG)
+		sc->tulip_dbg.dbg_link_failures++;
+#endif
+		sc->tulip_media = TULIP_MEDIA_UNKNOWN;
+		tulip_reset(sc);	/* restart probe */
+	    }
+	    return;
+	}
+#if defined(TULIP_DEBUG)
+	sc->tulip_dbg.dbg_link_pollintrs++;
+#endif
+    }
+
+    if (event == TULIP_MEDIAPOLL_START) {
+	sc->tulip_if.if_flags |= IFF_OACTIVE;
+	if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE)
+	    return;
+	sc->tulip_probe_mediamask = 0;
+	sc->tulip_probe_passes = 0;
+#if defined(TULIP_DEBUG)
+	sc->tulip_dbg.dbg_media_probes++;
+#endif
+	/*
+	 * If the SROM contained an explicit media to use, use it.
+	 */
+	sc->tulip_cmdmode &= ~(TULIP_CMD_RXRUN|TULIP_CMD_FULLDUPLEX);
+	sc->tulip_flags |= TULIP_TRYNWAY|TULIP_PROBE1STPASS;
+	sc->tulip_flags &= ~(TULIP_DIDNWAY|TULIP_PRINTMEDIA|TULIP_PRINTLINKUP);
+	/*
+	 * connidx is defaulted to a media_unknown type.
+	 */
+	sc->tulip_probe_media = tulip_srom_conninfo[sc->tulip_connidx].sc_media;
+	if (sc->tulip_probe_media != TULIP_MEDIA_UNKNOWN) {
+	    tulip_linkup(sc, sc->tulip_probe_media);
+	    tulip_timeout(sc);
+	    return;
+	}
+
+	if (sc->tulip_features & TULIP_HAVE_GPR) {
+	    sc->tulip_probe_state = TULIP_PROBE_GPRTEST;
+	    sc->tulip_probe_timeout = 2000;
+	} else {
+	    sc->tulip_probe_media = TULIP_MEDIA_MAX;
+	    sc->tulip_probe_timeout = 0;
+	    sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
+	}
+    }
+
+    /*
+     * Ignore txprobe failures or spurious callbacks.
+     */
+    if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED
+	    && sc->tulip_probe_state != TULIP_PROBE_MEDIATEST) {
+	sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
+	return;
+    }
+
+    /*
+     * If we really transmitted a packet, then that's the media we'll use.
+     */
+    if (event == TULIP_MEDIAPOLL_TXPROBE_OK || event == TULIP_MEDIAPOLL_LINKPASS) {
+	if (event == TULIP_MEDIAPOLL_LINKPASS)
+	    sc->tulip_probe_media = TULIP_MEDIA_10BASET;
+#if defined(TULIP_DEBUG)
+	else
+	    sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
+#endif
+	tulip_linkup(sc, sc->tulip_probe_media);
+	tulip_timeout(sc);
+	return;
+    }
+
+    if (sc->tulip_probe_state == TULIP_PROBE_GPRTEST) {
+#if defined(TULIP_DO_GPR_SENSE)
+	/*
+	 * Check for media via the general purpose register.
+	 *
+	 * Try to sense the media via the GPR.  If the same value
+	 * occurs 3 times in a row then just use that.
+	 */
+	if (sc->tulip_probe_timeout > 0) {
+	    tulip_media_t new_probe_media = tulip_21140_gpr_media_sense(sc);
+#if defined(TULIP_DEBUG)
+	    printf(TULIP_PRINTF_FMT ": media_poll: gpr sensing = %s\n",
+		   TULIP_PRINTF_ARGS, tulip_mediums[new_probe_media]);
+#endif
+	    if (new_probe_media != TULIP_MEDIA_UNKNOWN) {
+		if (new_probe_media == sc->tulip_probe_media) {
+		    if (--sc->tulip_probe_count == 0)
+			tulip_linkup(sc, sc->tulip_probe_media);
+		} else {
+		    sc->tulip_probe_count = 10;
+		}
+	    }
+	    sc->tulip_probe_media = new_probe_media;
+	    tulip_timeout(sc);
+	    return;
+	}
+#endif /* TULIP_DO_GPR_SENSE */
+	/*
+	 * Brute force.  We cycle through each of the media types
+	 * and try to transmit a packet.
+	 */
+	sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
+	sc->tulip_probe_media = TULIP_MEDIA_MAX;
+	sc->tulip_probe_timeout = 0;
+	tulip_timeout(sc);
+	return;
+    }
+
+    if (sc->tulip_probe_state != TULIP_PROBE_MEDIATEST
+	   && (sc->tulip_features & TULIP_HAVE_MII)) {
+	tulip_media_t old_media = sc->tulip_probe_media;
+	tulip_mii_autonegotiate(sc, sc->tulip_phyaddr);
+	switch (sc->tulip_probe_state) {
+	    case TULIP_PROBE_FAILED:
+	    case TULIP_PROBE_MEDIATEST: {
+		/*
+		 * Try the next media.
+		 */
+		sc->tulip_probe_mediamask |= sc->tulip_mediums[sc->tulip_probe_media]->mi_mediamask;
+		sc->tulip_probe_timeout = 0;
+#ifdef notyet
+		if (sc->tulip_probe_state == TULIP_PROBE_FAILED)
+		    break;
+		if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
+		    break;
+		sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 300;
+#endif
+		break;
+	    }
+	    case TULIP_PROBE_PHYAUTONEG: {
+		return;
+	    }
+	    case TULIP_PROBE_INACTIVE: {
+		/*
+		 * Only probe if we autonegotiated a media that hasn't failed.
+		 */
+		sc->tulip_probe_timeout = 0;
+		if (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media)) {
+		    sc->tulip_probe_media = old_media;
+		    break;
+		}
+		tulip_linkup(sc, sc->tulip_probe_media);
+		tulip_timeout(sc);
+		return;
+	    }
+	    default: {
+#if defined(DIAGNOSTIC) || defined(TULIP_DEBUG)
+		panic("tulip_media_poll: botch at line %d\n", __LINE__);
+#endif
+		break;
+	    }
+	}
+    }
+
+    if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED) {
+#if defined(TULIP_DEBUG)
+	sc->tulip_dbg.dbg_txprobes_failed[sc->tulip_probe_media]++;
+#endif
+	sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
+	return;
+    }
+
+    /*
+     * switch to another media if we tried this one enough.
+     */
+    if (/* event == TULIP_MEDIAPOLL_TXPROBE_FAILED || */ sc->tulip_probe_timeout <= 0) {
+#if defined(TULIP_DEBUG)
+	if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
+	    printf(TULIP_PRINTF_FMT ": poll media unknown!\n",
+		   TULIP_PRINTF_ARGS);
+	    sc->tulip_probe_media = TULIP_MEDIA_MAX;
+	}
+#endif
+	/*
+	 * Find the next media type to check for.  Full Duplex
+	 * types are not allowed.
+	 */
+	do {
+	    sc->tulip_probe_media -= 1;
+	    if (sc->tulip_probe_media == TULIP_MEDIA_UNKNOWN) {
+		if (++sc->tulip_probe_passes == 3) {
+		    printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n",
+			   TULIP_PRINTF_ARGS);
+		    if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
+			sc->tulip_if.if_flags &= ~IFF_RUNNING;
+			sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
+			return;
+		    }
+		}
+		sc->tulip_flags ^= TULIP_TRYNWAY;	/* XXX */
+		sc->tulip_probe_mediamask = 0;
+		sc->tulip_probe_media = TULIP_MEDIA_MAX - 1;
+	    }
+	} while (sc->tulip_mediums[sc->tulip_probe_media] == NULL
+		 || (sc->tulip_probe_mediamask & TULIP_BIT(sc->tulip_probe_media))
+		 || TULIP_IS_MEDIA_FD(sc->tulip_probe_media));
+
+#if defined(TULIP_DEBUG)
+	printf(TULIP_PRINTF_FMT ": %s: probing %s\n", TULIP_PRINTF_ARGS,
+	       event == TULIP_MEDIAPOLL_TXPROBE_FAILED ? "txprobe failed" : "timeout",
+	       tulip_mediums[sc->tulip_probe_media]);
+#endif
+	sc->tulip_probe_timeout = TULIP_IS_MEDIA_TP(sc->tulip_probe_media) ? 2500 : 1000;
+	sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
+	sc->tulip_probe.probe_txprobes = 0;
+	tulip_reset(sc);
+	tulip_media_set(sc, sc->tulip_probe_media);
+	sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
+    }
+    tulip_timeout(sc);
+
+    /*
+     * If this is hanging off a phy, we know are doing NWAY and we have
+     * forced the phy to a specific speed.  Wait for link up before
+     * before sending a packet.
+     */
+    switch (sc->tulip_mediums[sc->tulip_probe_media]->mi_type) {
+	case TULIP_MEDIAINFO_MII: {
+	    if (sc->tulip_probe_media != tulip_mii_phy_readspecific(sc))
+		return;
+	    break;
+	}
+	case TULIP_MEDIAINFO_SIA: {
+	    if (TULIP_IS_MEDIA_TP(sc->tulip_probe_media)) {
+		if (TULIP_CSR_READ(sc, csr_sia_status) & TULIP_SIASTS_LINKFAIL)
+		    return;
+		tulip_linkup(sc, sc->tulip_probe_media);
+#ifdef notyet
+		if (sc->tulip_features & TULIP_HAVE_MII)
+		    tulip_timeout(sc);
+#endif
+		return;
+	    }
+	    break;
+	}
+	case TULIP_MEDIAINFO_RESET:
+	case TULIP_MEDIAINFO_SYM:
+	case TULIP_MEDIAINFO_GPR: {
+	    break;
+	}
+    }
+    /*
+     * Try to send a packet.
+     */
+    tulip_txprobe(sc);
+}
+
+static void
+tulip_media_select(
+    tulip_softc_t * const sc)
+{
+    if (sc->tulip_features & TULIP_HAVE_GPR) {
+	TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_PINSET|sc->tulip_gpinit);
+	DELAY(10);
+	TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpdata);
+    }
+    /*
+     * If this board has no media, just return
+     */
+    if (sc->tulip_features & TULIP_HAVE_NOMEDIA)
+	return;
+
+    if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
+	TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
+	(*sc->tulip_boardsw->bd_media_poll)(sc, TULIP_MEDIAPOLL_START);
+    } else {
+	tulip_media_set(sc, sc->tulip_media);
+    }
+}
+
+static void
+tulip_21040_mediainfo_init(
+    tulip_softc_t * const sc,
+    tulip_media_t media)
+{
+    sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_THRSHLD160
+	|TULIP_CMD_BACKOFFCTR;
+    sc->tulip_if.if_baudrate = 10000000;
+
+    if (media == TULIP_MEDIA_10BASET || media == TULIP_MEDIA_UNKNOWN) {
+	TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[0], 21040, 10BASET);
+	TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[1], 21040, 10BASET_FD);
+    }
+
+    if (media == TULIP_MEDIA_AUIBNC || media == TULIP_MEDIA_UNKNOWN) {
+	TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[2], 21040, AUIBNC);
+    }
+
+    if (media == TULIP_MEDIA_UNKNOWN) {
+	TULIP_MEDIAINFO_SIA_INIT(sc, &sc->tulip_mediainfo[3], 21040, EXTSIA);
+    }
+}
+
+static void
+tulip_21040_media_probe(
+    tulip_softc_t * const sc)
+{
+    tulip_21040_mediainfo_init(sc, TULIP_MEDIA_UNKNOWN);
+    return;
+}
+
+static void
+tulip_21040_10baset_only_media_probe(
+    tulip_softc_t * const sc)
+{
+    tulip_21040_mediainfo_init(sc, TULIP_MEDIA_10BASET);
+    tulip_media_set(sc, TULIP_MEDIA_10BASET);
+    sc->tulip_media = TULIP_MEDIA_10BASET;
+}
+
+static void
+tulip_21040_10baset_only_media_select(
+    tulip_softc_t * const sc)
+{
+    sc->tulip_flags |= TULIP_LINKUP;
+    if (sc->tulip_media == TULIP_MEDIA_10BASET_FD) {
+	sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
+	sc->tulip_flags &= ~TULIP_SQETEST;
+    } else {
+	sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
+	sc->tulip_flags |= TULIP_SQETEST;
+    }
+    tulip_media_set(sc, sc->tulip_media);
+}
+
+static void
+tulip_21040_auibnc_only_media_probe(
+    tulip_softc_t * const sc)
+{
+    tulip_21040_mediainfo_init(sc, TULIP_MEDIA_AUIBNC);
+    sc->tulip_flags |= TULIP_SQETEST|TULIP_LINKUP;
+    tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
+    sc->tulip_media = TULIP_MEDIA_AUIBNC;
+}
+
+static void
+tulip_21040_auibnc_only_media_select(
+    tulip_softc_t * const sc)
+{
+    tulip_media_set(sc, TULIP_MEDIA_AUIBNC);
+    sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
+}
+
+static const tulip_boardsw_t tulip_21040_boardsw = {
+    TULIP_21040_GENERIC,
+    tulip_21040_media_probe,
+    tulip_media_select,
+    tulip_media_poll,
+};
+
+static const tulip_boardsw_t tulip_21040_10baset_only_boardsw = {
+    TULIP_21040_GENERIC,
+    tulip_21040_10baset_only_media_probe,
+    tulip_21040_10baset_only_media_select,
+    NULL,
+};
+
+static const tulip_boardsw_t tulip_21040_auibnc_only_boardsw = {
+    TULIP_21040_GENERIC,
+    tulip_21040_auibnc_only_media_probe,
+    tulip_21040_auibnc_only_media_select,
+    NULL,
+};
+
+static void
+tulip_21041_mediainfo_init(
+    tulip_softc_t * const sc)
+{
+    tulip_media_info_t * const mi = sc->tulip_mediainfo;
+
+#ifdef notyet
+    if (sc->tulip_revinfo >= 0x20) {
+	TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, 10BASET);
+	TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, 10BASET_FD);
+	TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041P2, AUI);
+	TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041P2, BNC);
+	return;
+    }
+#endif
+    TULIP_MEDIAINFO_SIA_INIT(sc, &mi[0], 21041, 10BASET);
+    TULIP_MEDIAINFO_SIA_INIT(sc, &mi[1], 21041, 10BASET_FD);
+    TULIP_MEDIAINFO_SIA_INIT(sc, &mi[2], 21041, AUI);
+    TULIP_MEDIAINFO_SIA_INIT(sc, &mi[3], 21041, BNC);
+}
+
+static void
+tulip_21041_media_probe(
+    tulip_softc_t * const sc)
+{
+    sc->tulip_if.if_baudrate = 10000000;
+    sc->tulip_cmdmode |= TULIP_CMD_CAPTREFFCT|TULIP_CMD_ENHCAPTEFFCT
+	|TULIP_CMD_THRSHLD160|TULIP_CMD_BACKOFFCTR;
+    sc->tulip_intrmask |= TULIP_STS_LINKPASS;
+    tulip_21041_mediainfo_init(sc);
+}
+
+static void
+tulip_21041_media_poll(
+    tulip_softc_t * const sc,
+    const tulip_mediapoll_event_t event)
+{
+    u_int32_t sia_status;
+
+#if defined(TULIP_DEBUG)
+    sc->tulip_dbg.dbg_events[event]++;
+#endif
+
+    if (event == TULIP_MEDIAPOLL_LINKFAIL) {
+	if (sc->tulip_probe_state != TULIP_PROBE_INACTIVE
+		|| !TULIP_DO_AUTOSENSE(sc))
+	    return;
+	sc->tulip_media = TULIP_MEDIA_UNKNOWN;
+	tulip_reset(sc);	/* start probe */
+	return;
+    }
+
+    /*
+     * If we've been been asked to start a poll or link change interrupt
+     * restart the probe (and reset the tulip to a known state).
+     */
+    if (event == TULIP_MEDIAPOLL_START) {
+	sc->tulip_if.if_flags |= IFF_OACTIVE;
+	sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_RXRUN);
+#ifdef notyet
+	if (sc->tulip_revinfo >= 0x20) {
+	    sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX;
+	    sc->tulip_flags |= TULIP_DIDNWAY;
+	}
+#endif
+	TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
+	sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
+	sc->tulip_probe_media = TULIP_MEDIA_10BASET;
+	sc->tulip_probe_timeout = TULIP_21041_PROBE_10BASET_TIMEOUT;
+	tulip_media_set(sc, TULIP_MEDIA_10BASET);
+	tulip_timeout(sc);
+	return;
+    }
+
+    if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
+	return;
+
+    if (event == TULIP_MEDIAPOLL_TXPROBE_OK) {
+#if defined(TULIP_DEBUG)
+	sc->tulip_dbg.dbg_txprobes_ok[sc->tulip_probe_media]++;
+#endif
+	tulip_linkup(sc, sc->tulip_probe_media);
+	return;
+    }
+
+    sia_status = TULIP_CSR_READ(sc, csr_sia_status);
+    TULIP_CSR_WRITE(sc, csr_sia_status, sia_status);
+    if ((sia_status & TULIP_SIASTS_LINKFAIL) == 0) {
+	if (sc->tulip_revinfo >= 0x20) {
+	    if (sia_status & (PHYSTS_10BASET_FD << (16 - 6)))
+		sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
+	}
+	/*
+	 * If the link has passed LinkPass, 10baseT is the
+	 * proper media to use.
+	 */
+	tulip_linkup(sc, sc->tulip_probe_media);
+	return;
+    }
+
+    /*
+     * wait for up to 2.4 seconds for the link to reach pass state.
+     * Only then start scanning the other media for activity.
+     * choose media with receive activity over those without.
+     */
+    if (sc->tulip_probe_media == TULIP_MEDIA_10BASET) {
+	if (event != TULIP_MEDIAPOLL_TIMER)
+	    return;
+	if (sc->tulip_probe_timeout > 0
+		&& (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) == 0) {
+	    tulip_timeout(sc);
+	    return;
+	}
+	sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
+	sc->tulip_flags |= TULIP_WANTRXACT;
+	if (sia_status & TULIP_SIASTS_OTHERRXACTIVITY) {
+	    sc->tulip_probe_media = TULIP_MEDIA_BNC;
+	} else {
+	    sc->tulip_probe_media = TULIP_MEDIA_AUI;
+	}
+	tulip_media_set(sc, sc->tulip_probe_media);
+	tulip_timeout(sc);
+	return;
+    }
+
+    /*
+     * If we failed, clear the txprobe active flag.
+     */
+    if (event == TULIP_MEDIAPOLL_TXPROBE_FAILED)
+	sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
+
+
+    if (event == TULIP_MEDIAPOLL_TIMER) {
+	/*
+	 * If we've received something, then that's our link!
+	 */
+	if (sc->tulip_flags & TULIP_RXACT) {
+	    tulip_linkup(sc, sc->tulip_probe_media);
+	    return;
+	}
+	/*
+	 * if no txprobe active  
+	 */
+	if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0
+		&& ((sc->tulip_flags & TULIP_WANTRXACT) == 0
+		    || (sia_status & TULIP_SIASTS_RXACTIVITY))) {
+	    sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
+	    tulip_txprobe(sc);
+	    tulip_timeout(sc);
+	    return;
+	}
+	/*
+	 * Take 2 passes through before deciding to not
+	 * wait for receive activity.  Then take another
+	 * two passes before spitting out a warning.
+	 */
+	if (sc->tulip_probe_timeout <= 0) {
+	    if (sc->tulip_flags & TULIP_WANTRXACT) {
+		sc->tulip_flags &= ~TULIP_WANTRXACT;
+		sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
+	    } else {
+		printf(TULIP_PRINTF_FMT ": autosense failed: cable problem?\n",
+		       TULIP_PRINTF_ARGS);
+		if ((sc->tulip_if.if_flags & IFF_UP) == 0) {
+		    sc->tulip_if.if_flags &= ~IFF_RUNNING;
+		    sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
+		    return;
+		}
+	    }
+	}
+    }
+    
+    /*
+     * Since this media failed to probe, try the other one.
+     */
+    sc->tulip_probe_timeout = TULIP_21041_PROBE_AUIBNC_TIMEOUT;
+    if (sc->tulip_probe_media == TULIP_MEDIA_AUI) {
+	sc->tulip_probe_media = TULIP_MEDIA_BNC;
+    } else {
+	sc->tulip_probe_media = TULIP_MEDIA_AUI;
+    }
+    tulip_media_set(sc, sc->tulip_probe_media);
+    sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
+    tulip_timeout(sc);
+}
+
+static const tulip_boardsw_t tulip_21041_boardsw = {
+    TULIP_21041_GENERIC,
+    tulip_21041_media_probe,
+    tulip_media_select,
+    tulip_21041_media_poll
+};
+
+static const tulip_phy_attr_t tulip_mii_phy_attrlist[] = {
+    { 0x20005c00, 0,		/* 08-00-17 */
+      {
+	{ 0x19, 0x0040, 0x0040 },	/* 10TX */
+	{ 0x19, 0x0040, 0x0000 },	/* 100TX */
+      },
+#if defined(TULIP_DEBUG)
+      "NS DP83840",
+#endif
+    },
+    { 0x0281F400, 0,		/* 00-A0-7D */
+      {
+	{ 0x12, 0x0010, 0x0000 },	/* 10T */
+	{ },				/* 100TX */
+	{ 0x12, 0x0010, 0x0010 },	/* 100T4 */
+	{ 0x12, 0x0008, 0x0008 },	/* FULL_DUPLEX */
+      },
+#if defined(TULIP_DEBUG)
+      "Seeq 80C240"
+#endif
+    },
+#if 0
+    { 0x0015F420, 0,	/* 00-A0-7D */
+      {
+	{ 0x12, 0x0010, 0x0000 },	/* 10T */
+	{ },				/* 100TX */
+	{ 0x12, 0x0010, 0x0010 },	/* 100T4 */
+	{ 0x12, 0x0008, 0x0008 },	/* FULL_DUPLEX */
+      },
+#if defined(TULIP_DEBUG)
+      "Broadcom BCM5000"
+#endif
+    },
+#endif
+    { 0x0281F400, 0,		/* 00-A0-BE */
+      {
+	{ 0x11, 0x8000, 0x0000 },	/* 10T */
+	{ 0x11, 0x8000, 0x8000 },	/* 100TX */
+	{ },				/* 100T4 */
+	{ 0x11, 0x4000, 0x4000 },	/* FULL_DUPLEX */
+      },
+#if defined(TULIP_DEBUG)
+      "ICS 1890"
+#endif 
+    },
+    { 0 }
+};
+
+static tulip_media_t
+tulip_mii_phy_readspecific(
+    tulip_softc_t * const sc)
+{
+    const tulip_phy_attr_t *attr;
+    u_int16_t data;
+    u_int32_t id;
+    unsigned idx = 0;
+    static const tulip_media_t table[] = {
+	TULIP_MEDIA_UNKNOWN,
+	TULIP_MEDIA_10BASET,
+	TULIP_MEDIA_100BASETX,
+	TULIP_MEDIA_100BASET4,
+	TULIP_MEDIA_UNKNOWN,
+	TULIP_MEDIA_10BASET_FD,
+	TULIP_MEDIA_100BASETX_FD,
+	TULIP_MEDIA_UNKNOWN
+    };
+
+    /*
+     * Don't read phy specific registers if link is not up.
+     */
+    data = tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_STATUS);
+    if ((data & (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS)) != (PHYSTS_LINK_UP|PHYSTS_EXTENDED_REGS))
+	return TULIP_MEDIA_UNKNOWN;
+
+    id = (tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDLOW) << 16) |
+	tulip_mii_readreg(sc, sc->tulip_phyaddr, PHYREG_IDHIGH);
+    for (attr = tulip_mii_phy_attrlist;; attr++) {
+	if (attr->attr_id == 0)
+	    return TULIP_MEDIA_UNKNOWN;
+	if ((id & ~0x0F) == attr->attr_id)
+	    break;
+    }
+
+    if (attr->attr_modes[PHY_MODE_100TX].pm_regno) {
+	const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100TX];
+	data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
+	if ((data & pm->pm_mask) == pm->pm_value)
+	    idx = 2;
+    }
+    if (idx == 0 && attr->attr_modes[PHY_MODE_100T4].pm_regno) {
+	const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_100T4];
+	data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
+	if ((data & pm->pm_mask) == pm->pm_value)
+	    idx = 3;
+    }
+    if (idx == 0 && attr->attr_modes[PHY_MODE_10T].pm_regno) {
+	const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_10T];
+	data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
+	if ((data & pm->pm_mask) == pm->pm_value)
+	    idx = 1;
+    } 
+    if (idx != 0 && attr->attr_modes[PHY_MODE_FULLDUPLEX].pm_regno) {
+	const tulip_phy_modedata_t * const pm = &attr->attr_modes[PHY_MODE_FULLDUPLEX];
+	data = tulip_mii_readreg(sc, sc->tulip_phyaddr, pm->pm_regno);
+	idx += ((data & pm->pm_mask) == pm->pm_value ? 4 : 0);
+    }
+    return table[idx];
+}
+
+static unsigned
+tulip_mii_get_phyaddr(
+    tulip_softc_t * const sc,
+    unsigned offset)
+{
+    unsigned phyaddr;
+
+    for (phyaddr = 1; phyaddr < 32; phyaddr++) {
+	unsigned status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
+	if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
+	    continue;
+	if (offset == 0)
+	    return phyaddr;
+	offset--;
+    }
+    if (offset == 0) {
+	unsigned status = tulip_mii_readreg(sc, 0, PHYREG_STATUS);
+	if (status == 0 || status == 0xFFFF || status < PHYSTS_10BASET)
+	    return TULIP_MII_NOPHY;
+	return 0;
+    }
+    return TULIP_MII_NOPHY;
+}
+
+static int
+tulip_mii_map_abilities(
+    tulip_softc_t * const sc,
+    unsigned abilities)
+{
+    sc->tulip_abilities = abilities;
+    if (abilities & PHYSTS_100BASETX_FD) {
+	sc->tulip_probe_media = TULIP_MEDIA_100BASETX_FD;
+    } else if (abilities & PHYSTS_100BASET4) {
+	sc->tulip_probe_media = TULIP_MEDIA_100BASET4;
+    } else if (abilities & PHYSTS_100BASETX) {
+	sc->tulip_probe_media = TULIP_MEDIA_100BASETX;
+    } else if (abilities & PHYSTS_10BASET_FD) {
+	sc->tulip_probe_media = TULIP_MEDIA_10BASET_FD;
+    } else if (abilities & PHYSTS_10BASET) {
+	sc->tulip_probe_media = TULIP_MEDIA_10BASET;
+    } else {
+	sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
+	return 0;
+    }
+    sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
+    return 1;
+}
+
+static void
+tulip_mii_autonegotiate(
+    tulip_softc_t * const sc,
+    const unsigned phyaddr)
+{
+    switch (sc->tulip_probe_state) {
+        case TULIP_PROBE_MEDIATEST:
+        case TULIP_PROBE_INACTIVE: {
+	    sc->tulip_flags |= TULIP_DIDNWAY;
+	    tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, PHYCTL_RESET);
+	    sc->tulip_probe_timeout = 3000;
+	    sc->tulip_intrmask |= TULIP_STS_ABNRMLINTR|TULIP_STS_NORMALINTR;
+	    sc->tulip_probe_state = TULIP_PROBE_PHYRESET;
+	    /* FALL THROUGH */
+	}
+        case TULIP_PROBE_PHYRESET: {
+	    u_int32_t status;
+	    u_int32_t data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
+	    if (data & PHYCTL_RESET) {
+		if (sc->tulip_probe_timeout > 0) {
+		    tulip_timeout(sc);
+		    return;
+		}
+		printf(TULIP_PRINTF_FMT "(phy%d): error: reset of PHY never completed!\n",
+			   TULIP_PRINTF_ARGS, phyaddr);
+		sc->tulip_flags &= ~TULIP_TXPROBE_ACTIVE;
+		sc->tulip_probe_state = TULIP_PROBE_FAILED;
+		sc->tulip_if.if_flags &= ~(IFF_UP|IFF_RUNNING);
+		return;
+	    }
+	    status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
+	    if ((status & PHYSTS_CAN_AUTONEG) == 0) {
+#if defined(TULIP_DEBUG)
+		loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation disabled\n",
+			   TULIP_PRINTF_ARGS, phyaddr);
+#endif
+		sc->tulip_flags &= ~TULIP_DIDNWAY;
+		sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
+		return;
+	    }
+	    if (tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT) != ((status >> 6) | 0x01))
+		tulip_mii_writereg(sc, phyaddr, PHYREG_AUTONEG_ADVERTISEMENT, (status >> 6) | 0x01);
+	    tulip_mii_writereg(sc, phyaddr, PHYREG_CONTROL, data|PHYCTL_AUTONEG_RESTART|PHYCTL_AUTONEG_ENABLE);
+	    data = tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL);
+#if defined(TULIP_DEBUG)
+	    if ((data & PHYCTL_AUTONEG_ENABLE) == 0)
+		loudprintf(TULIP_PRINTF_FMT "(phy%d): oops: enable autonegotiation failed: 0x%04x\n",
+			   TULIP_PRINTF_ARGS, phyaddr, data);
+	    else
+		loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation restarted: 0x%04x\n",
+			   TULIP_PRINTF_ARGS, phyaddr, data);
+	    sc->tulip_dbg.dbg_nway_starts++;
+#endif
+	    sc->tulip_probe_state = TULIP_PROBE_PHYAUTONEG;
+	    sc->tulip_probe_timeout = 3000;
+	    /* FALL THROUGH */
+	}
+        case TULIP_PROBE_PHYAUTONEG: {
+	    u_int32_t status = tulip_mii_readreg(sc, phyaddr, PHYREG_STATUS);
+	    u_int32_t data;
+	    if ((status & PHYSTS_AUTONEG_DONE) == 0) {
+		if (sc->tulip_probe_timeout > 0) {
+		    tulip_timeout(sc);
+		    return;
+		}
+#if defined(TULIP_DEBUG)
+		loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation timeout: sts=0x%04x, ctl=0x%04x\n",
+			   TULIP_PRINTF_ARGS, phyaddr, status,
+			   tulip_mii_readreg(sc, phyaddr, PHYREG_CONTROL));
+#endif
+		sc->tulip_flags &= ~TULIP_DIDNWAY;
+		sc->tulip_probe_state = TULIP_PROBE_MEDIATEST;
+		return;
+	    }
+	    data = tulip_mii_readreg(sc, phyaddr, PHYREG_AUTONEG_ABILITIES);
+#if defined(TULIP_DEBUG)
+	    loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation complete: 0x%04x\n",
+		       TULIP_PRINTF_ARGS, phyaddr, data);
+#endif
+	    data = (data << 6) & status;
+	    if (!tulip_mii_map_abilities(sc, data))
+		sc->tulip_flags &= ~TULIP_DIDNWAY;
+	    return;
+	}
+	default: {
+#if defined(DIAGNOSTIC)
+	    panic("tulip_media_poll: botch at line %d\n", __LINE__);
+#endif
+	    break;
+	}
+    }
+#if defined(TULIP_DEBUG)
+    loudprintf(TULIP_PRINTF_FMT "(phy%d): autonegotiation failure: state = %d\n",
+	       TULIP_PRINTF_ARGS, phyaddr, sc->tulip_probe_state);
+	    sc->tulip_dbg.dbg_nway_failures++;
+#endif
+}
+
+static void
+tulip_2114x_media_preset(
+    tulip_softc_t * const sc)
+{
+    const tulip_media_info_t *mi = NULL;
+    tulip_media_t media = sc->tulip_media;
+
+    if (sc->tulip_probe_state == TULIP_PROBE_INACTIVE)
+	media = sc->tulip_media;
+    else
+	media = sc->tulip_probe_media;
+    
+    sc->tulip_cmdmode &= ~TULIP_CMD_PORTSELECT;
+    sc->tulip_flags &= ~TULIP_SQETEST;
+    if (media != TULIP_MEDIA_UNKNOWN) {
+#if defined(TULIP_DEBUG)
+	if (media < TULIP_MEDIA_MAX && sc->tulip_mediums[media] != NULL) {
+#endif
+	    mi = sc->tulip_mediums[media];
+	    if (mi->mi_type == TULIP_MEDIAINFO_MII) {
+		sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
+	    } else if (mi->mi_type == TULIP_MEDIAINFO_GPR
+		       || mi->mi_type == TULIP_MEDIAINFO_SYM) {
+		sc->tulip_cmdmode &= ~TULIP_GPR_CMDBITS;
+		sc->tulip_cmdmode |= mi->mi_cmdmode;
+	    } else if (mi->mi_type == TULIP_MEDIAINFO_SIA) {
+		TULIP_CSR_WRITE(sc, csr_sia_connectivity, TULIP_SIACONN_RESET);
+	    }
+#if defined(TULIP_DEBUG)
+	} else {
+	    printf(TULIP_PRINTF_FMT ": preset: bad media %d!\n",
+		   TULIP_PRINTF_ARGS, media);
+	}
+#endif
+    }
+    switch (media) {
+	case TULIP_MEDIA_BNC:
+	case TULIP_MEDIA_AUI:
+	case TULIP_MEDIA_10BASET: {
+	    sc->tulip_cmdmode &= ~TULIP_CMD_FULLDUPLEX;
+	    sc->tulip_cmdmode |= TULIP_CMD_TXTHRSHLDCTL;
+	    sc->tulip_if.if_baudrate = 10000000;
+	    sc->tulip_flags |= TULIP_SQETEST;
+	    break;
+	}
+	case TULIP_MEDIA_10BASET_FD: {
+	    sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL;
+	    sc->tulip_if.if_baudrate = 10000000;
+	    break;
+	}
+	case TULIP_MEDIA_100BASEFX:
+	case TULIP_MEDIA_100BASET4:
+	case TULIP_MEDIA_100BASETX: {
+	    sc->tulip_cmdmode &= ~(TULIP_CMD_FULLDUPLEX|TULIP_CMD_TXTHRSHLDCTL);
+	    sc->tulip_cmdmode |= TULIP_CMD_PORTSELECT;
+	    sc->tulip_if.if_baudrate = 100000000;
+	    break;
+	}
+	case TULIP_MEDIA_100BASEFX_FD:
+	case TULIP_MEDIA_100BASETX_FD: {
+	    sc->tulip_cmdmode |= TULIP_CMD_FULLDUPLEX|TULIP_CMD_PORTSELECT;
+	    sc->tulip_cmdmode &= ~TULIP_CMD_TXTHRSHLDCTL;
+	    sc->tulip_if.if_baudrate = 100000000;
+	    break;
+	}
+	default: {
+	    break;
+	}
+    }
+    TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
+}
+
+/*
+ ********************************************************************
+ *  Start of 21140/21140A support which does not use the MII interface 
+ */
+
+static void
+tulip_null_media_poll(
+    tulip_softc_t * const sc,
+    tulip_mediapoll_event_t event)
+{
+#if defined(TULIP_DEBUG)
+    sc->tulip_dbg.dbg_events[event]++;
+#endif
+#if defined(DIAGNOSTIC)
+    printf(TULIP_PRINTF_FMT ": botch(media_poll) at line %d\n",
+	   TULIP_PRINTF_ARGS, __LINE__);
+#endif
+}
+
+__inline__ static void
+tulip_21140_mediainit(
+    tulip_softc_t * const sc,
+    tulip_media_info_t * const mip,
+    tulip_media_t const media,
+    unsigned gpdata,
+    unsigned cmdmode)
+{
+    sc->tulip_mediums[media] = mip;
+    mip->mi_type = TULIP_MEDIAINFO_GPR;
+    mip->mi_cmdmode = cmdmode;
+    mip->mi_gpdata = gpdata;
+}
+
+static void
+tulip_21140_evalboard_media_probe(
+    tulip_softc_t * const sc)
+{
+    tulip_media_info_t *mip = sc->tulip_mediainfo;
+
+    sc->tulip_gpinit = TULIP_GP_EB_PINS;
+    sc->tulip_gpdata = TULIP_GP_EB_INIT;
+    TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_PINS);
+    TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EB_INIT);
+    TULIP_CSR_WRITE(sc, csr_command,
+	TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
+	TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
+    TULIP_CSR_WRITE(sc, csr_command,
+	TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
+    DELAY(1000000);
+    if ((TULIP_CSR_READ(sc, csr_gp) & TULIP_GP_EB_OK100) != 0) {
+	sc->tulip_media = TULIP_MEDIA_10BASET;
+    } else {
+	sc->tulip_media = TULIP_MEDIA_100BASETX;
+    }
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
+			  TULIP_GP_EB_INIT,
+			  TULIP_CMD_TXTHRSHLDCTL);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
+			  TULIP_GP_EB_INIT,
+			  TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
+			  TULIP_GP_EB_INIT,
+			  TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
+			      |TULIP_CMD_SCRAMBLER);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
+			  TULIP_GP_EB_INIT,
+			  TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
+			      |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
+}
+
+static const tulip_boardsw_t tulip_21140_eb_boardsw = {
+    TULIP_21140_DEC_EB,
+    tulip_21140_evalboard_media_probe,
+    tulip_media_select,
+    tulip_null_media_poll,
+    tulip_2114x_media_preset,
+};
+
+static void
+tulip_21140_smc9332_media_probe(
+    tulip_softc_t * const sc)
+{
+    tulip_media_info_t *mip = sc->tulip_mediainfo;
+    int idx, cnt = 0;
+
+    TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT|TULIP_CMD_MUSTBEONE);
+    TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
+    DELAY(10);	/* Wait 10 microseconds (actually 50 PCI cycles but at 
+		   33MHz that comes to two microseconds but wait a
+		   bit longer anyways) */
+    TULIP_CSR_WRITE(sc, csr_command, TULIP_CMD_PORTSELECT |
+	TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
+    sc->tulip_gpinit = TULIP_GP_SMC_9332_PINS;
+    sc->tulip_gpdata = TULIP_GP_SMC_9332_INIT;
+    TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_PINS|TULIP_GP_PINSET);
+    TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_SMC_9332_INIT);
+    DELAY(200000);
+    for (idx = 1000; idx > 0; idx--) {
+	u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
+	if ((csr & (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) == (TULIP_GP_SMC_9332_OK10|TULIP_GP_SMC_9332_OK100)) {
+	    if (++cnt > 100)
+		break;
+	} else if ((csr & TULIP_GP_SMC_9332_OK10) == 0) {
+	    break;
+	} else {
+	    cnt = 0;
+	}
+	DELAY(1000);
+    }
+    sc->tulip_media = cnt > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
+			  TULIP_GP_SMC_9332_INIT,
+			  TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
+			      |TULIP_CMD_SCRAMBLER);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
+			  TULIP_GP_SMC_9332_INIT,
+			  TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
+			      |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
+			  TULIP_GP_SMC_9332_INIT,
+			  TULIP_CMD_TXTHRSHLDCTL);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
+			  TULIP_GP_SMC_9332_INIT,
+			  TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
+}
+ 
+static const tulip_boardsw_t tulip_21140_smc9332_boardsw = {
+    TULIP_21140_SMC_9332,
+    tulip_21140_smc9332_media_probe,
+    tulip_media_select,
+    tulip_null_media_poll,
+    tulip_2114x_media_preset,
+};
+
+static void
+tulip_21140_cogent_em100_media_probe(
+    tulip_softc_t * const sc)
+{
+    tulip_media_info_t *mip = sc->tulip_mediainfo;
+
+    sc->tulip_gpinit = TULIP_GP_EM100_PINS;
+    sc->tulip_gpdata = TULIP_GP_EM100_INIT;
+    TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_PINS);
+    TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_EM100_INIT);
+    TULIP_CSR_WRITE(sc, csr_command,
+	TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
+	TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
+    TULIP_CSR_WRITE(sc, csr_command,
+	TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
+    sc->tulip_media = TULIP_MEDIA_100BASETX;
+
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
+			  TULIP_GP_EM100_INIT,
+			  TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
+			      |TULIP_CMD_SCRAMBLER);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
+			  TULIP_GP_EM100_INIT,
+			  TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
+			      |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
+}
+
+static const tulip_boardsw_t tulip_21140_cogent_em100_boardsw = {
+    TULIP_21140_COGENT_EM100,
+    tulip_21140_cogent_em100_media_probe,
+    tulip_media_select,
+    tulip_null_media_poll,
+    tulip_2114x_media_preset
+};
+
+static void
+tulip_21140_znyx_zx34x_media_probe(
+    tulip_softc_t * const sc)
+{
+    tulip_media_info_t *mip = sc->tulip_mediainfo;
+    int cnt10 = 0, cnt100 = 0, idx;
+
+    sc->tulip_gpinit = TULIP_GP_ZX34X_PINS;
+    sc->tulip_gpdata = TULIP_GP_ZX34X_INIT;
+    TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_PINS);
+    TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ZX34X_INIT);
+    TULIP_CSR_WRITE(sc, csr_command,
+	TULIP_CSR_READ(sc, csr_command) | TULIP_CMD_PORTSELECT |
+	TULIP_CMD_PCSFUNCTION | TULIP_CMD_SCRAMBLER | TULIP_CMD_MUSTBEONE);
+    TULIP_CSR_WRITE(sc, csr_command,
+	TULIP_CSR_READ(sc, csr_command) & ~TULIP_CMD_TXTHRSHLDCTL);
+
+    DELAY(200000);
+    for (idx = 1000; idx > 0; idx--) {
+	u_int32_t csr = TULIP_CSR_READ(sc, csr_gp);
+	if ((csr & (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) == (TULIP_GP_ZX34X_LNKFAIL|TULIP_GP_ZX34X_SYMDET|TULIP_GP_ZX34X_SIGDET)) {
+	    if (++cnt100 > 100)
+		break;
+	} else if ((csr & TULIP_GP_ZX34X_LNKFAIL) == 0) {
+	    if (++cnt10 > 100)
+		break;
+	} else {
+	    cnt10 = 0;
+	    cnt100 = 0;
+	}
+	DELAY(1000);
+    }
+    sc->tulip_media = cnt100 > 100 ? TULIP_MEDIA_100BASETX : TULIP_MEDIA_10BASET;
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET,
+			  TULIP_GP_ZX34X_INIT,
+			  TULIP_CMD_TXTHRSHLDCTL);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_10BASET_FD,
+			  TULIP_GP_ZX34X_INIT,
+			  TULIP_CMD_TXTHRSHLDCTL|TULIP_CMD_FULLDUPLEX);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX,
+			  TULIP_GP_ZX34X_INIT,
+			  TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
+			      |TULIP_CMD_SCRAMBLER);
+    tulip_21140_mediainit(sc, mip++, TULIP_MEDIA_100BASETX_FD,
+			  TULIP_GP_ZX34X_INIT,
+			  TULIP_CMD_PORTSELECT|TULIP_CMD_PCSFUNCTION
+			      |TULIP_CMD_SCRAMBLER|TULIP_CMD_FULLDUPLEX);
+}
+
+static const tulip_boardsw_t tulip_21140_znyx_zx34x_boardsw = {
+    TULIP_21140_ZNYX_ZX34X,
+    tulip_21140_znyx_zx34x_media_probe,
+    tulip_media_select,
+    tulip_null_media_poll,
+    tulip_2114x_media_preset,
+};
+
+static void
+tulip_2114x_media_probe(
+    tulip_softc_t * const sc)
+{
+    sc->tulip_cmdmode |= TULIP_CMD_STOREFWD|TULIP_CMD_MUSTBEONE
+	|TULIP_CMD_BACKOFFCTR;
+}
+
+static const tulip_boardsw_t tulip_2114x_isv_boardsw = {
+    TULIP_21140_ISV,
+    tulip_2114x_media_probe,
+    tulip_media_select,
+    tulip_media_poll,
+    tulip_2114x_media_preset,
+};
+
+/*
+ * ******** END of chip-specific handlers. ***********
+ */
+
+/*
+ * Code the read the SROM and MII bit streams (I2C)
+ */
+static void
+tulip_delay_300ns(
+    tulip_softc_t * const sc)
+{
+    int idx;
+    for (idx = (300 / 33) + 1; idx > 0; idx--)
+	(void) TULIP_CSR_READ(sc, csr_busmode);
+}
+
+#define EMIT    do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0)
+
+static void
+tulip_srom_idle(
+    tulip_softc_t * const sc)
+{
+    unsigned bit, csr;
+    
+    csr  = SROMSEL ; EMIT;
+    csr  = SROMSEL | SROMRD; EMIT;  
+    csr ^= SROMCS; EMIT;
+    csr ^= SROMCLKON; EMIT;
+
+    /*
+     * Write 25 cycles of 0 which will force the SROM to be idle.
+     */
+    for (bit = 3 + SROM_BITWIDTH + 16; bit > 0; bit--) {
+        csr ^= SROMCLKOFF; EMIT;    /* clock low; data not valid */
+        csr ^= SROMCLKON; EMIT;     /* clock high; data valid */
+    }
+    csr ^= SROMCLKOFF; EMIT;
+    csr ^= SROMCS; EMIT;
+    csr  = 0; EMIT;
+}
+
+     
+static void
+tulip_srom_read(
+    tulip_softc_t * const sc)
+{   
+    int idx; 
+    const unsigned bitwidth = SROM_BITWIDTH;
+    const unsigned cmdmask = (SROMCMD_RD << bitwidth);
+    const unsigned msb = 1 << (bitwidth + 3 - 1);
+    unsigned lastidx = (1 << bitwidth) - 1;
+
+    tulip_srom_idle(sc);
+
+    for (idx = 0; idx <= lastidx; idx++) {
+        unsigned lastbit, data, bits, bit, csr;
+	csr  = SROMSEL ;	        EMIT;
+        csr  = SROMSEL | SROMRD;        EMIT;
+        csr ^= SROMCSON;                EMIT;
+        csr ^=            SROMCLKON;    EMIT;
+    
+        lastbit = 0;
+        for (bits = idx|cmdmask, bit = bitwidth + 3; bit > 0; bit--, bits <<= 1) {
+            const unsigned thisbit = bits & msb;
+            csr ^= SROMCLKOFF; EMIT;    /* clock low; data not valid */
+            if (thisbit != lastbit) {
+                csr ^= SROMDOUT; EMIT;  /* clock low; invert data */
+            } else {
+		EMIT;
+	    }
+            csr ^= SROMCLKON; EMIT;     /* clock high; data valid */
+            lastbit = thisbit;
+        }
+        csr ^= SROMCLKOFF; EMIT;
+
+        for (data = 0, bits = 0; bits < 16; bits++) {
+            data <<= 1;
+            csr ^= SROMCLKON; EMIT;     /* clock high; data valid */ 
+            data |= TULIP_CSR_READ(sc, csr_srom_mii) & SROMDIN ? 1 : 0;
+            csr ^= SROMCLKOFF; EMIT;    /* clock low; data not valid */
+        }
+	sc->tulip_rombuf[idx*2] = data & 0xFF;
+	sc->tulip_rombuf[idx*2+1] = data >> 8;
+	csr  = SROMSEL | SROMRD; EMIT;
+	csr  = 0; EMIT;
+    }
+    tulip_srom_idle(sc);
+}
+
+#define MII_EMIT    do { TULIP_CSR_WRITE(sc, csr_srom_mii, csr); tulip_delay_300ns(sc); } while (0)
+
+static void
+tulip_mii_writebits(
+    tulip_softc_t * const sc,
+    unsigned data,
+    unsigned bits)
+{
+    unsigned msb = 1 << (bits - 1);
+    unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
+    unsigned lastbit = (csr & MII_DOUT) ? msb : 0;
+
+    csr |= MII_WR; MII_EMIT;  		/* clock low; assert write */
+
+    for (; bits > 0; bits--, data <<= 1) {
+	const unsigned thisbit = data & msb;
+	if (thisbit != lastbit) {
+	    csr ^= MII_DOUT; MII_EMIT;  /* clock low; invert data */
+	}
+	csr ^= MII_CLKON; MII_EMIT;     /* clock high; data valid */
+	lastbit = thisbit;
+	csr ^= MII_CLKOFF; MII_EMIT;    /* clock low; data not valid */
+    }
+}
+
+static void
+tulip_mii_turnaround(
+    tulip_softc_t * const sc,
+    unsigned cmd)
+{
+    unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
+
+    if (cmd == MII_WRCMD) {
+	csr |= MII_DOUT; MII_EMIT;	/* clock low; change data */
+	csr ^= MII_CLKON; MII_EMIT;	/* clock high; data valid */
+	csr ^= MII_CLKOFF; MII_EMIT;	/* clock low; data not valid */
+	csr ^= MII_DOUT; MII_EMIT;	/* clock low; change data */
+    } else {
+	csr |= MII_RD; MII_EMIT;	/* clock low; switch to read */
+    }
+    csr ^= MII_CLKON; MII_EMIT;		/* clock high; data valid */
+    csr ^= MII_CLKOFF; MII_EMIT;	/* clock low; data not valid */
+}
+
+static unsigned
+tulip_mii_readbits(
+    tulip_softc_t * const sc)
+{
+    unsigned data;
+    unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
+    int idx;
+
+    for (idx = 0, data = 0; idx < 16; idx++) {
+	data <<= 1;	/* this is NOOP on the first pass through */
+	csr ^= MII_CLKON; MII_EMIT;	/* clock high; data valid */
+	if (TULIP_CSR_READ(sc, csr_srom_mii) & MII_DIN)
+	    data |= 1;
+	csr ^= MII_CLKOFF; MII_EMIT;	/* clock low; data not valid */
+    }
+    csr ^= MII_RD; MII_EMIT;		/* clock low; turn off read */
+
+    return data;
+}
+
+static unsigned
+tulip_mii_readreg(
+    tulip_softc_t * const sc,
+    unsigned devaddr,
+    unsigned regno)
+{
+    unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
+    unsigned data;
+
+    csr &= ~(MII_RD|MII_CLK); MII_EMIT;
+    tulip_mii_writebits(sc, MII_PREAMBLE, 32);
+    tulip_mii_writebits(sc, MII_RDCMD, 8);
+    tulip_mii_writebits(sc, devaddr, 5);
+    tulip_mii_writebits(sc, regno, 5);
+    tulip_mii_turnaround(sc, MII_RDCMD);
+
+    data = tulip_mii_readbits(sc);
+#if defined(TULIP_DEBUG)
+    sc->tulip_dbg.dbg_phyregs[regno][0] = data;
+    sc->tulip_dbg.dbg_phyregs[regno][1]++;
+#endif
+    return data;
+}
+
+static void
+tulip_mii_writereg(
+    tulip_softc_t * const sc,
+    unsigned devaddr,
+    unsigned regno,
+    unsigned data)
+{
+    unsigned csr = TULIP_CSR_READ(sc, csr_srom_mii) & (MII_RD|MII_DOUT|MII_CLK);
+    csr &= ~(MII_RD|MII_CLK); MII_EMIT;
+    tulip_mii_writebits(sc, MII_PREAMBLE, 32);
+    tulip_mii_writebits(sc, MII_WRCMD, 8);
+    tulip_mii_writebits(sc, devaddr, 5);
+    tulip_mii_writebits(sc, regno, 5);
+    tulip_mii_turnaround(sc, MII_WRCMD);
+    tulip_mii_writebits(sc, data, 16);
+#if defined(TULIP_DEBUG)
+    sc->tulip_dbg.dbg_phyregs[regno][2] = data;
+    sc->tulip_dbg.dbg_phyregs[regno][3]++;
+#endif
+}
+
+#define	tulip_mchash(mca)	(tulip_crc32(mca, 6) & 0x1FF)
+#define	tulip_srom_crcok(databuf)	( \
+    ((tulip_crc32(databuf, 126) & 0xFFFF) ^ 0xFFFF)== \
+     ((databuf)[126] | ((databuf)[127] << 8)))
+
+static unsigned
+tulip_crc32(
+    const unsigned char *databuf,
+    size_t datalen)
+{
+    u_int idx, bit, data, crc = 0xFFFFFFFFUL;
+
+    for (idx = 0; idx < datalen; idx++)
+        for (data = *databuf++, bit = 0; bit < 8; bit++, data >>= 1)
+            crc = (crc >> 1) ^ (((crc ^ data) & 1) ? TULIP_CRC32_POLY : 0);
+    return crc;
+}
+
+static void
+tulip_identify_dec_nic(
+    tulip_softc_t * const sc)
+{
+    strcpy(sc->tulip_boardid, "DEC ");
+#define D0	4
+    if (sc->tulip_chipid <= TULIP_DE425)
+	return;
+    if (bcmp(sc->tulip_rombuf + 29, "DE500", 5) == 0
+	|| bcmp(sc->tulip_rombuf + 29, "DE450", 5) == 0) {
+	bcopy(sc->tulip_rombuf + 29, &sc->tulip_boardid[D0], 8);
+	sc->tulip_boardid[D0+8] = ' ';
+    }
+#undef D0
+}
+
+static void
+tulip_identify_znyx_nic(
+    tulip_softc_t * const sc)
+{
+    unsigned id = 0;
+    strcpy(sc->tulip_boardid, "ZNYX ZX3XX ");
+    if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
+	unsigned znyx_ptr;
+	sc->tulip_boardid[8] = '4';
+	znyx_ptr = sc->tulip_rombuf[124] + 256 * sc->tulip_rombuf[125];
+	if (znyx_ptr < 26 || znyx_ptr > 116) {
+	    sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
+	    return;
+	}
+	/* ZX344 = 0010 .. 0013FF
+	 */
+	if (sc->tulip_rombuf[znyx_ptr] == 0x4A
+		&& sc->tulip_rombuf[znyx_ptr + 1] == 0x52
+		&& sc->tulip_rombuf[znyx_ptr + 2] == 0x01) {
+	    id = sc->tulip_rombuf[znyx_ptr + 5] + 256 * sc->tulip_rombuf[znyx_ptr + 4];
+	    if ((id >> 8) == (TULIP_ZNYX_ID_ZX342 >> 8)) {
+		sc->tulip_boardid[9] = '2';
+		if (id == TULIP_ZNYX_ID_ZX342B) {
+		    sc->tulip_boardid[10] = 'B';
+		    sc->tulip_boardid[11] = ' ';
+		}
+		sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
+	    } else if (id == TULIP_ZNYX_ID_ZX344) {
+		sc->tulip_boardid[10] = '4';
+		sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
+	    } else if (id == TULIP_ZNYX_ID_ZX345) {
+		sc->tulip_boardid[9] = (sc->tulip_rombuf[19] > 1) ? '8' : '5';
+	    } else if (id == TULIP_ZNYX_ID_ZX346) {
+		sc->tulip_boardid[9] = '6';
+	    } else if (id == TULIP_ZNYX_ID_ZX351) {
+		sc->tulip_boardid[8] = '5';
+		sc->tulip_boardid[9] = '1';
+	    }
+	}
+	if (id == 0) {
+	    /*
+	     * Assume it's a ZX342...
+	     */
+	    sc->tulip_boardsw = &tulip_21140_znyx_zx34x_boardsw;
+	}
+	return;
+    }
+    sc->tulip_boardid[8] = '1';
+    if (sc->tulip_chipid == TULIP_21041) {
+	sc->tulip_boardid[10] = '1';
+	return;
+    }
+    if (sc->tulip_rombuf[32] == 0x4A && sc->tulip_rombuf[33] == 0x52) {
+	id = sc->tulip_rombuf[37] + 256 * sc->tulip_rombuf[36];
+	if (id == TULIP_ZNYX_ID_ZX312T) {
+	    sc->tulip_boardid[9] = '2';
+	    sc->tulip_boardid[10] = 'T';
+	    sc->tulip_boardid[11] = ' ';
+	    sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
+	} else if (id == TULIP_ZNYX_ID_ZX314_INTA) {
+	    sc->tulip_boardid[9] = '4';
+	    sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
+	    sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
+	} else if (id == TULIP_ZNYX_ID_ZX314) {
+	    sc->tulip_boardid[9] = '4';
+	    sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
+	    sc->tulip_features |= TULIP_HAVE_BASEROM;
+	} else if (id == TULIP_ZNYX_ID_ZX315_INTA) {
+	    sc->tulip_boardid[9] = '5';
+	    sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
+	} else if (id == TULIP_ZNYX_ID_ZX315) {
+	    sc->tulip_boardid[9] = '5';
+	    sc->tulip_features |= TULIP_HAVE_BASEROM;
+	} else {
+	    id = 0;
+	}
+    }		    
+    if (id == 0) {
+	if ((sc->tulip_enaddr[3] & ~3) == 0xF0 && (sc->tulip_enaddr[5] & 3) == 0) {
+	    sc->tulip_boardid[9] = '4';
+	    sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
+	    sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
+	} else if ((sc->tulip_enaddr[3] & ~3) == 0xF4 && (sc->tulip_enaddr[5] & 1) == 0) {
+	    sc->tulip_boardid[9] = '5';
+	    sc->tulip_boardsw = &tulip_21040_boardsw;
+	    sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
+	} else if ((sc->tulip_enaddr[3] & ~3) == 0xEC) {
+	    sc->tulip_boardid[9] = '2';
+	    sc->tulip_boardsw = &tulip_21040_boardsw;
+	}
+    }
+}
+
+static void
+tulip_identify_smc_nic(
+    tulip_softc_t * const sc)
+{
+    u_int32_t id1, id2, ei;
+    int auibnc = 0, utp = 0;
+    char *cp;
+
+    strcpy(sc->tulip_boardid, "SMC ");
+    if (sc->tulip_chipid == TULIP_21041)
+	return;
+    if (sc->tulip_chipid != TULIP_21040) {
+	if (sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
+	    strcpy(&sc->tulip_boardid[4], "9332DST ");
+	    sc->tulip_boardsw = &tulip_21140_smc9332_boardsw;
+	} else if (sc->tulip_features & (TULIP_HAVE_BASEROM|TULIP_HAVE_SLAVEDROM)) {
+	    strcpy(&sc->tulip_boardid[4], "9332BDT ");
+	} else {
+	    strcpy(&sc->tulip_boardid[4], "9334BDT ");
+	}
+	return;
+    }
+    id1 = sc->tulip_rombuf[0x60] | (sc->tulip_rombuf[0x61] << 8);
+    id2 = sc->tulip_rombuf[0x62] | (sc->tulip_rombuf[0x63] << 8);
+    ei  = sc->tulip_rombuf[0x66] | (sc->tulip_rombuf[0x67] << 8);
+
+    strcpy(&sc->tulip_boardid[4], "8432");
+    cp = &sc->tulip_boardid[8];
+    if ((id1 & 1) == 0)
+	*cp++ = 'B', auibnc = 1;
+    if ((id1 & 0xFF) > 0x32)
+	*cp++ = 'T', utp = 1;
+    if ((id1 & 0x4000) == 0)
+	*cp++ = 'A', auibnc = 1;
+    if (id2 == 0x15) {
+	sc->tulip_boardid[7] = '4';
+	*cp++ = '-';
+	*cp++ = 'C';
+	*cp++ = 'H';
+	*cp++ = (ei ? '2' : '1');
+    }
+    *cp++ = ' ';
+    *cp = '\0';
+    if (utp && !auibnc)
+	sc->tulip_boardsw = &tulip_21040_10baset_only_boardsw;
+    else if (!utp && auibnc)
+	sc->tulip_boardsw = &tulip_21040_auibnc_only_boardsw;
+}
+
+static void
+tulip_identify_cogent_nic(
+    tulip_softc_t * const sc)
+{
+    strcpy(sc->tulip_boardid, "Cogent ");
+    if (sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A) {
+	if (sc->tulip_rombuf[32] == TULIP_COGENT_EM100_ID)
+	    sc->tulip_boardsw = &tulip_21140_cogent_em100_boardsw;
+	/*
+	 * Magic number (0x24001109U) is the SubVendor (0x2400) and
+	 * SubDevId (0x1109) for the ANA6944TX (EM440TX).
+	 */
+	if (*(u_int32_t *) sc->tulip_rombuf == 0x24001109U
+		&& (sc->tulip_features & TULIP_HAVE_BASEROM)) {
+	    /*
+	     * Cogent (Adaptec) is still mapping all INTs to INTA of
+	     * first 21140.  Dumb!  Dumb!
+	     */
+	    sc->tulip_features |= TULIP_HAVE_SHAREDINTR;
+	}
+    } else if (sc->tulip_chipid == TULIP_21040) {
+	sc->tulip_features |= TULIP_HAVE_SHAREDINTR|TULIP_HAVE_BASEROM;
+    }
+}
+
+static void
+tulip_identify_asante_nic(
+    tulip_softc_t * const sc)
+{
+    strcpy(sc->tulip_boardid, "Asante ");
+    if ((sc->tulip_chipid == TULIP_21140 || sc->tulip_chipid == TULIP_21140A)
+	    && sc->tulip_boardsw != &tulip_2114x_isv_boardsw) {
+	tulip_media_info_t *mi = sc->tulip_mediainfo;
+	int idx;
+	/*
+	 * The Asante Fast Ethernet doesn't always ship with a valid
+	 * new format SROM.  So if isn't in the new format, we cheat
+	 * set it up as if we had.
+	 */
+
+	sc->tulip_gpinit = TULIP_GP_ASANTE_PINS;
+	sc->tulip_gpdata = 0;
+
+	TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PINS|TULIP_GP_PINSET);
+	TULIP_CSR_WRITE(sc, csr_gp, TULIP_GP_ASANTE_PHYRESET);
+	DELAY(100);
+	TULIP_CSR_WRITE(sc, csr_gp, 0);
+
+	mi->mi_type = TULIP_MEDIAINFO_MII;
+	mi->mi_gpr_length = 0;
+	mi->mi_gpr_offset = 0;
+	mi->mi_reset_length = 0;
+	mi->mi_reset_offset = 0;;
+
+	mi->mi_phyaddr = TULIP_MII_NOPHY;
+	for (idx = 20; idx > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx--) {
+	    DELAY(10000);
+	    mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, 0);
+	}
+	if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
+	    printf(TULIP_PRINTF_FMT ": can't find phy 0\n", TULIP_PRINTF_ARGS);
+	    return;
+	}
+
+	sc->tulip_features |= TULIP_HAVE_MII;
+	mi->mi_capabilities  = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
+	mi->mi_advertisement = PHYSTS_10BASET|PHYSTS_10BASET_FD|PHYSTS_100BASETX|PHYSTS_100BASETX_FD;
+	mi->mi_full_duplex   = PHYSTS_10BASET_FD|PHYSTS_100BASETX_FD;
+	mi->mi_tx_threshold  = PHYSTS_10BASET|PHYSTS_10BASET_FD;
+	TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
+	TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
+	TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
+	TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
+	TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
+	mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
+	    tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
+
+	sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
+    }
+}
+
+static int
+tulip_srom_decode(
+    tulip_softc_t * const sc)
+{
+    int idx1, idx2, idx3;
+
+    const tulip_srom_header_t *shp = (tulip_srom_header_t *) &sc->tulip_rombuf[0];
+    const tulip_srom_adapter_info_t *saip = (tulip_srom_adapter_info_t *) (shp + 1);
+    tulip_srom_media_t srom_media;
+    tulip_media_info_t *mi = sc->tulip_mediainfo;
+    const u_int8_t *dp;
+    u_int32_t leaf_offset, blocks, data;
+
+    for (idx1 = 0; idx1 < shp->sh_adapter_count; idx1++, saip++) {
+	if (shp->sh_adapter_count == 1)
+	    break;
+	if (saip->sai_device == sc->tulip_pci_devno)
+	    break;
+    }
+    /*
+     * Didn't find the right media block for this card.
+     */
+    if (idx1 == shp->sh_adapter_count)
+	return 0;
+
+    /*
+     * Save the hardware address.
+     */
+    bcopy((caddr_t) shp->sh_ieee802_address, (caddr_t) sc->tulip_enaddr, 6);
+    /*
+     * If this is a multiple port card, add the adapter index to the last
+     * byte of the hardware address.  (if it isn't multiport, adding 0
+     * won't hurt.
+     */
+    sc->tulip_enaddr[5] += idx1;
+
+    leaf_offset = saip->sai_leaf_offset_lowbyte
+	+ saip->sai_leaf_offset_highbyte * 256;
+    dp = sc->tulip_rombuf + leaf_offset;
+	
+    sc->tulip_conntype = (tulip_srom_connection_t) (dp[0] + dp[1] * 256); dp += 2;
+
+    for (idx2 = 0;; idx2++) {
+	if (tulip_srom_conninfo[idx2].sc_type == sc->tulip_conntype
+	        || tulip_srom_conninfo[idx2].sc_type == TULIP_SROM_CONNTYPE_NOT_USED)
+	    break;
+    }
+    sc->tulip_connidx = idx2;
+
+    if (sc->tulip_chipid == TULIP_21041) {
+	blocks = *dp++;
+	for (idx2 = 0; idx2 < blocks; idx2++) {
+	    tulip_media_t media;
+	    data = *dp++;
+	    srom_media = (tulip_srom_media_t) (data & 0x3F);
+	    for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
+		if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
+		    break;
+	    }
+	    media = tulip_srom_mediums[idx3].sm_type;
+	    if (media != TULIP_MEDIA_UNKNOWN) {
+		if (data & TULIP_SROM_21041_EXTENDED) {
+		    mi->mi_type = TULIP_MEDIAINFO_SIA;
+		    sc->tulip_mediums[media] = mi;
+		    mi->mi_sia_connectivity = dp[0] + dp[1] * 256;
+		    mi->mi_sia_tx_rx        = dp[2] + dp[3] * 256;
+		    mi->mi_sia_general      = dp[4] + dp[5] * 256;
+		    mi++;
+		} else {
+		    switch (media) {
+			case TULIP_MEDIA_BNC: {
+			    TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC);
+			    mi++;
+			    break;
+			}
+			case TULIP_MEDIA_AUI: {
+			    TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI);
+			    mi++;
+			    break;
+			}
+			case TULIP_MEDIA_10BASET: {
+			    TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET);
+			    mi++;
+			    break;
+			}
+			case TULIP_MEDIA_10BASET_FD: {
+			    TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD);
+			    mi++;
+			    break;
+			}
+			default: {
+			    break;
+			}
+		    }
+		}
+	    }
+	    if (data & TULIP_SROM_21041_EXTENDED)	
+		dp += 6;
+	}
+#ifdef notdef
+	if (blocks == 0) {
+	    TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, BNC); mi++;
+	    TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, AUI); mi++;
+	    TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET); mi++;
+	    TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21041, 10BASET_FD); mi++;
+	}
+#endif
+    } else {
+	unsigned length, type;
+	tulip_media_t gp_media = TULIP_MEDIA_UNKNOWN;
+	if (sc->tulip_features & TULIP_HAVE_GPR)
+	    sc->tulip_gpinit = *dp++;
+	blocks = *dp++;
+	for (idx2 = 0; idx2 < blocks; idx2++) {
+	    const u_int8_t *ep;
+	    if ((*dp & 0x80) == 0) {
+		length = 4;
+		type = 0;
+	    } else {
+		length = (*dp++ & 0x7f) - 1;
+		type = *dp++ & 0x3f;
+	    }
+	    ep = dp + length;
+	    switch (type & 0x3f) {
+		case 0: {	/* 21140[A] GPR block */
+		    tulip_media_t media;
+		    srom_media = (tulip_srom_media_t) dp[0];
+		    for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
+			if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
+			    break;
+		    }
+		    media = tulip_srom_mediums[idx3].sm_type;
+		    if (media == TULIP_MEDIA_UNKNOWN)
+			break;
+		    mi->mi_type = TULIP_MEDIAINFO_GPR;
+		    sc->tulip_mediums[media] = mi;
+		    mi->mi_gpdata = dp[1];
+		    if (media > gp_media && !TULIP_IS_MEDIA_FD(media)) {
+			sc->tulip_gpdata = mi->mi_gpdata;
+			gp_media = media;
+		    }
+		    data = dp[2] + dp[3] * 256;
+		    mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
+		    if (data & TULIP_SROM_2114X_NOINDICATOR) {
+			mi->mi_actmask = 0;
+		    } else {
+#if 0
+			mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
+#endif
+			mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
+			mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
+		    }
+		    mi++;
+		    break;
+		}
+		case 1: {	/* 21140[A] MII block */
+		    const unsigned phyno = *dp++;
+		    mi->mi_type = TULIP_MEDIAINFO_MII;
+		    mi->mi_gpr_length = *dp++;
+		    mi->mi_gpr_offset = dp - sc->tulip_rombuf;
+		    dp += mi->mi_gpr_length;
+		    mi->mi_reset_length = *dp++;
+		    mi->mi_reset_offset = dp - sc->tulip_rombuf;
+		    dp += mi->mi_reset_length;
+
+		    /*
+		     * Before we probe for a PHY, use the GPR information
+		     * to select it.  If we don't, it may be inaccessible.
+		     */
+		    TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_gpinit|TULIP_GP_PINSET);
+		    for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++) {
+			DELAY(10);
+			TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_reset_offset + idx3]);
+		    }
+		    sc->tulip_phyaddr = mi->mi_phyaddr;
+		    for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++) {
+			DELAY(10);
+			TULIP_CSR_WRITE(sc, csr_gp, sc->tulip_rombuf[mi->mi_gpr_offset + idx3]);
+		    }
+
+		    /*
+		     * At least write something!
+		     */
+		    if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
+			TULIP_CSR_WRITE(sc, csr_gp, 0);
+
+		    mi->mi_phyaddr = TULIP_MII_NOPHY;
+		    for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
+			DELAY(10000);
+			mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
+		    }
+		    if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
+			printf(TULIP_PRINTF_FMT ": can't find phy %d\n",
+			       TULIP_PRINTF_ARGS, phyno);
+			break;
+		    }
+		    sc->tulip_features |= TULIP_HAVE_MII;
+		    mi->mi_capabilities  = dp[0] + dp[1] * 256; dp += 2;
+		    mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
+		    mi->mi_full_duplex   = dp[0] + dp[1] * 256; dp += 2;
+		    mi->mi_tx_threshold  = dp[0] + dp[1] * 256; dp += 2;
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
+		    mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
+			tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
+		    mi++;
+		    break;
+		}
+		case 2: {	/* 2114[23] SIA block */
+		    tulip_media_t media;
+		    srom_media = (tulip_srom_media_t) dp[0];
+		    for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
+			if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
+			    break;
+		    }
+		    media = tulip_srom_mediums[idx3].sm_type;
+		    if (media == TULIP_MEDIA_UNKNOWN)
+			break;
+		    mi->mi_type = TULIP_MEDIAINFO_SIA;
+		    sc->tulip_mediums[media] = mi;
+		    if (type & 0x40) {
+			mi->mi_sia_connectivity = dp[0] + dp[1] * 256;
+			mi->mi_sia_tx_rx        = dp[2] + dp[3] * 256;
+			mi->mi_sia_general      = dp[4] + dp[5] * 256;
+			dp += 6;
+		    } else {
+			switch (media) {
+			    case TULIP_MEDIA_BNC: {
+				TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, BNC);
+				break;
+			    }
+			    case TULIP_MEDIA_AUI: {
+				TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, AUI);
+				break;
+			    }
+			    case TULIP_MEDIA_10BASET: {
+				TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET);
+				break;
+			    }
+			    case TULIP_MEDIA_10BASET_FD: {
+				TULIP_MEDIAINFO_SIA_INIT(sc, mi, 21142, 10BASET_FD);
+				break;
+			    }
+			    default: {
+				goto bad_media;
+			    }
+			}
+		    }
+		    mi->mi_sia_gp_control = (dp[0] + dp[1] * 256) << 16;
+		    mi->mi_sia_gp_data    = (dp[2] + dp[3] * 256) << 16;
+		    mi++;
+		  bad_media:
+		    break;
+		}
+		case 3: {	/* 2114[23] MII PHY block */
+		    const unsigned phyno = *dp++;
+		    const u_int8_t *dp0;
+		    mi->mi_type = TULIP_MEDIAINFO_MII;
+		    mi->mi_gpr_length = *dp++;
+		    mi->mi_gpr_offset = dp - sc->tulip_rombuf;
+		    dp += 2 * mi->mi_gpr_length;
+		    mi->mi_reset_length = *dp++;
+		    mi->mi_reset_offset = dp - sc->tulip_rombuf;
+		    dp += 2 * mi->mi_reset_length;
+
+		    dp0 = &sc->tulip_rombuf[mi->mi_reset_offset];
+		    for (idx3 = 0; idx3 < mi->mi_reset_length; idx3++, dp0 += 2) {
+			DELAY(10);
+			TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
+		    }
+		    sc->tulip_phyaddr = mi->mi_phyaddr;
+		    dp0 = &sc->tulip_rombuf[mi->mi_gpr_offset];
+		    for (idx3 = 0; idx3 < mi->mi_gpr_length; idx3++, dp0 += 2) {
+			DELAY(10);
+			TULIP_CSR_WRITE(sc, csr_sia_general, (dp0[0] + 256 * dp0[1]) << 16);
+		    }
+
+		    if (mi->mi_reset_length == 0 && mi->mi_gpr_length == 0)
+			TULIP_CSR_WRITE(sc, csr_sia_general, 0);
+
+		    mi->mi_phyaddr = TULIP_MII_NOPHY;
+		    for (idx3 = 20; idx3 > 0 && mi->mi_phyaddr == TULIP_MII_NOPHY; idx3--) {
+			DELAY(10000);
+			mi->mi_phyaddr = tulip_mii_get_phyaddr(sc, phyno);
+		    }
+		    if (mi->mi_phyaddr == TULIP_MII_NOPHY) {
+			printf(TULIP_PRINTF_FMT ": can't find phy %d\n",
+			       TULIP_PRINTF_ARGS, phyno);
+			break;
+		    }
+		    sc->tulip_features |= TULIP_HAVE_MII;
+		    mi->mi_capabilities  = dp[0] + dp[1] * 256; dp += 2;
+		    mi->mi_advertisement = dp[0] + dp[1] * 256; dp += 2;
+		    mi->mi_full_duplex   = dp[0] + dp[1] * 256; dp += 2;
+		    mi->mi_tx_threshold  = dp[0] + dp[1] * 256; dp += 2;
+		    mi->mi_mii_interrupt = dp[0] + dp[1] * 256; dp += 2;
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX_FD);
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASETX);
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 100BASET4);
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET_FD);
+		    TULIP_MEDIAINFO_ADD_CAPABILITY(sc, mi, 10BASET);
+		    mi->mi_phyid = (tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDLOW) << 16) |
+			tulip_mii_readreg(sc, mi->mi_phyaddr, PHYREG_IDHIGH);
+		    mi++;
+		    break;
+		}
+		case 4: {	/* 21143 SYM block */
+		    tulip_media_t media;
+		    srom_media = (tulip_srom_media_t) dp[0];
+		    for (idx3 = 0; tulip_srom_mediums[idx3].sm_type != TULIP_MEDIA_UNKNOWN; idx3++) {
+			if (tulip_srom_mediums[idx3].sm_srom_type == srom_media)
+			    break;
+		    }
+		    media = tulip_srom_mediums[idx3].sm_type;
+		    if (media == TULIP_MEDIA_UNKNOWN)
+			break;
+		    mi->mi_type = TULIP_MEDIAINFO_SYM;
+		    sc->tulip_mediums[media] = mi;
+		    mi->mi_gpcontrol = (dp[1] + dp[2] * 256) << 16;
+		    mi->mi_gpdata    = (dp[3] + dp[4] * 256) << 16;
+		    data = dp[5] + dp[6] * 256;
+		    mi->mi_cmdmode = TULIP_SROM_2114X_CMDBITS(data);
+		    if (data & TULIP_SROM_2114X_NOINDICATOR) {
+			mi->mi_actmask = 0;
+		    } else {
+			mi->mi_default = (data & TULIP_SROM_2114X_DEFAULT) != 0;
+			mi->mi_actmask = TULIP_SROM_2114X_BITPOS(data);
+			mi->mi_actdata = (data & TULIP_SROM_2114X_POLARITY) ? 0 : mi->mi_actmask;
+		    }
+		    mi++;
+		    break;
+		}
+#if 0
+		case 5: {	/* 21143 Reset block */
+		    mi->mi_type = TULIP_MEDIAINFO_RESET;
+		    mi->mi_reset_length = *dp++;
+		    mi->mi_reset_offset = dp - sc->tulip_rombuf;
+		    dp += 2 * mi->mi_reset_length;
+		    mi++;
+		    break;
+		}
+#endif
+		default: {
+		}
+	    }
+	    dp = ep;
+	}
+    }
+    return mi - sc->tulip_mediainfo;
+}
+
+static const struct {
+    void (*vendor_identify_nic)(tulip_softc_t * const sc);
+    unsigned char vendor_oui[3];
+} tulip_vendors[] = {
+    { tulip_identify_dec_nic,		{ 0x08, 0x00, 0x2B } },
+    { tulip_identify_dec_nic,		{ 0x00, 0x00, 0xF8 } },
+    { tulip_identify_smc_nic,		{ 0x00, 0x00, 0xC0 } },
+    { tulip_identify_smc_nic,		{ 0x00, 0xE0, 0x29 } },
+    { tulip_identify_znyx_nic,		{ 0x00, 0xC0, 0x95 } },
+    { tulip_identify_cogent_nic,	{ 0x00, 0x00, 0x92 } },
+    { tulip_identify_asante_nic,	{ 0x00, 0x00, 0x94 } },
+    { NULL }
+};
+
+/*
+ * This deals with the vagaries of the address roms and the
+ * brain-deadness that various vendors commit in using them.
+ */
+static int
+tulip_read_macaddr(
+    tulip_softc_t * const sc)
+{
+    int cksum, rom_cksum, idx;
+    u_int32_t csr;
+    unsigned char tmpbuf[8];
+    static const u_char testpat[] = { 0xFF, 0, 0x55, 0xAA, 0xFF, 0, 0x55, 0xAA };
+
+    sc->tulip_connidx = TULIP_SROM_LASTCONNIDX;
+
+    if (sc->tulip_chipid == TULIP_21040) {
+	TULIP_CSR_WRITE(sc, csr_enetrom, 1);
+	for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
+	    int cnt = 0;
+	    while (((csr = TULIP_CSR_READ(sc, csr_enetrom)) & 0x80000000L) && cnt < 10000)
+		cnt++;
+	    sc->tulip_rombuf[idx] = csr & 0xFF;
+	}
+	sc->tulip_boardsw = &tulip_21040_boardsw;
+#if defined(TULIP_EISA)
+    } else if (sc->tulip_chipid == TULIP_DE425) {
+	int cnt;
+	for (idx = 0, cnt = 0; idx < sizeof(testpat) && cnt < 32; cnt++) {
+	    tmpbuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom);
+	    if (tmpbuf[idx] == testpat[idx])
+		++idx;
+	    else
+		idx = 0;
+	}
+	for (idx = 0; idx < 32; idx++)
+	    sc->tulip_rombuf[idx] = TULIP_CSR_READBYTE(sc, csr_enetrom);
+	sc->tulip_boardsw = &tulip_21040_boardsw;
+#endif /* TULIP_EISA */
+    } else {
+	if (sc->tulip_chipid == TULIP_21041) {
+	    /*
+	     * Thankfully all 21041's act the same.
+	     */
+	    sc->tulip_boardsw = &tulip_21041_boardsw;
+	} else {
+	    /*
+	     * Assume all 21140 board are compatible with the
+	     * DEC 10/100 evaluation board.  Not really valid but
+	     * it's the best we can do until every one switches to
+	     * the new SROM format.
+	     */
+	     
+	    sc->tulip_boardsw = &tulip_21140_eb_boardsw;
+	}
+	tulip_srom_read(sc);
+	if (tulip_srom_crcok(sc->tulip_rombuf)) {
+	    /*
+	     * SROM CRC is valid therefore it must be in the
+	     * new format.
+	     */
+	    sc->tulip_features |= TULIP_HAVE_ISVSROM;
+	} else if (sc->tulip_rombuf[126] == 0xff && sc->tulip_rombuf[127] == 0xFF) {
+	    /*
+	     * No checksum is present.  See if the SROM id checks out;
+	     * the first 18 bytes should be 0 followed by a 1 followed
+	     * by the number of adapters (which we don't deal with yet).
+	     */
+	    for (idx = 0; idx < 18; idx++) {
+		if (sc->tulip_rombuf[idx] != 0)
+		    break;
+	    }
+	    if (idx == 18 && sc->tulip_rombuf[18] == 1 && sc->tulip_rombuf[19] != 0)
+		sc->tulip_features |= TULIP_HAVE_ISVSROM;
+	}
+	if ((sc->tulip_features & TULIP_HAVE_ISVSROM) && tulip_srom_decode(sc)) {
+	    if (sc->tulip_chipid != TULIP_21041)
+		sc->tulip_boardsw = &tulip_2114x_isv_boardsw;
+
+	    /*
+	     * If the SROM specifies more than one adapter, tag this as a
+	     * BASE rom.
+	     */
+	    if (sc->tulip_rombuf[19] > 1)
+		sc->tulip_features |= TULIP_HAVE_BASEROM;
+	    if (sc->tulip_boardsw == NULL)
+		return -6;
+	    goto check_oui;
+	}
+    }
+
+
+    if (bcmp(&sc->tulip_rombuf[0], &sc->tulip_rombuf[16], 8) != 0) {
+	/*
+	 * Some folks don't use the standard ethernet rom format
+	 * but instead just put the address in the first 6 bytes
+	 * of the rom and let the rest be all 0xffs.  (Can we say
+	 * ZNYX???) (well sometimes they put in a checksum so we'll
+	 * start at 8).
+	 */
+	for (idx = 8; idx < 32; idx++) {
+	    if (sc->tulip_rombuf[idx] != 0xFF)
+		return -4;
+	}
+	/*
+	 * Make sure the address is not multicast or locally assigned
+	 * that the OUI is not 00-00-00.
+	 */
+	if ((sc->tulip_rombuf[0] & 3) != 0)
+	    return -4;
+	if (sc->tulip_rombuf[0] == 0 && sc->tulip_rombuf[1] == 0
+		&& sc->tulip_rombuf[2] == 0)
+	    return -4;
+	bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6);
+	sc->tulip_features |= TULIP_HAVE_OKROM;
+	goto check_oui;
+    } else {
+	/*
+	 * A number of makers of multiport boards (ZNYX and Cogent)
+	 * only put on one address ROM on their 21040 boards.  So
+	 * if the ROM is all zeros (or all 0xFFs), look at the
+	 * previous configured boards (as long as they are on the same
+	 * PCI bus and the bus number is non-zero) until we find the
+	 * master board with address ROM.  We then use its address ROM
+	 * as the base for this board.  (we add our relative board
+	 * to the last byte of its address).
+	 */
+	for (idx = 0; idx < sizeof(sc->tulip_rombuf); idx++) {
+	    if (sc->tulip_rombuf[idx] != 0 && sc->tulip_rombuf[idx] != 0xFF)
+		break;
+	}
+	if (idx == sizeof(sc->tulip_rombuf)) {
+	    int root_unit;
+	    tulip_softc_t *root_sc = NULL;
+	    for (root_unit = sc->tulip_unit - 1; root_unit >= 0; root_unit--) {
+		root_sc = TULIP_UNIT_TO_SOFTC(root_unit);
+		if (root_sc == NULL || (root_sc->tulip_features & (TULIP_HAVE_OKROM|TULIP_HAVE_SLAVEDROM)) == TULIP_HAVE_OKROM)
+		    break;
+		root_sc = NULL;
+	    }
+	    if (root_sc != NULL && (root_sc->tulip_features & TULIP_HAVE_BASEROM)
+		    && root_sc->tulip_chipid == sc->tulip_chipid
+		    && root_sc->tulip_pci_busno == sc->tulip_pci_busno) {
+		sc->tulip_features |= TULIP_HAVE_SLAVEDROM;
+		sc->tulip_boardsw = root_sc->tulip_boardsw;
+		strcpy(sc->tulip_boardid, root_sc->tulip_boardid);
+		if (sc->tulip_boardsw->bd_type == TULIP_21140_ISV) {
+		    bcopy(root_sc->tulip_rombuf, sc->tulip_rombuf,
+			  sizeof(sc->tulip_rombuf));
+		    if (!tulip_srom_decode(sc))
+			return -5;
+		} else {
+		    bcopy(root_sc->tulip_enaddr, sc->tulip_enaddr, 6);
+		    sc->tulip_enaddr[5] += sc->tulip_unit - root_sc->tulip_unit;
+		}
+		/*
+		 * Now for a truly disgusting kludge: all 4 21040s on
+		 * the ZX314 share the same INTA line so the mapping
+		 * setup by the BIOS on the PCI bridge is worthless.
+		 * Rather than reprogramming the value in the config
+		 * register, we will handle this internally.
+		 */
+		if (root_sc->tulip_features & TULIP_HAVE_SHAREDINTR) {
+		    sc->tulip_slaves = root_sc->tulip_slaves;
+		    root_sc->tulip_slaves = sc;
+		    sc->tulip_features |= TULIP_HAVE_SLAVEDINTR;
+		}
+		return 0;
+	    }
+	}
+    }
+
+    /*
+     * This is the standard DEC address ROM test.
+     */
+
+    if (bcmp(&sc->tulip_rombuf[24], testpat, 8) != 0)
+	return -3;
+
+    tmpbuf[0] = sc->tulip_rombuf[15]; tmpbuf[1] = sc->tulip_rombuf[14];
+    tmpbuf[2] = sc->tulip_rombuf[13]; tmpbuf[3] = sc->tulip_rombuf[12];
+    tmpbuf[4] = sc->tulip_rombuf[11]; tmpbuf[5] = sc->tulip_rombuf[10];
+    tmpbuf[6] = sc->tulip_rombuf[9];  tmpbuf[7] = sc->tulip_rombuf[8];
+    if (bcmp(&sc->tulip_rombuf[0], tmpbuf, 8) != 0)
+	return -2;
+
+    bcopy(sc->tulip_rombuf, sc->tulip_enaddr, 6);
+
+    cksum = *(u_int16_t *) &sc->tulip_enaddr[0];
+    cksum *= 2;
+    if (cksum > 65535) cksum -= 65535;
+    cksum += *(u_int16_t *) &sc->tulip_enaddr[2];
+    if (cksum > 65535) cksum -= 65535;
+    cksum *= 2;
+    if (cksum > 65535) cksum -= 65535;
+    cksum += *(u_int16_t *) &sc->tulip_enaddr[4];
+    if (cksum >= 65535) cksum -= 65535;
+
+    rom_cksum = *(u_int16_t *) &sc->tulip_rombuf[6];
+	
+    if (cksum != rom_cksum)
+	return -1;
+
+  check_oui:
+    /*
+     * Check for various boards based on OUI.  Did I say braindead?
+     */
+    for (idx = 0; tulip_vendors[idx].vendor_identify_nic != NULL; idx++) {
+	if (bcmp((caddr_t) sc->tulip_enaddr,
+		 (caddr_t) tulip_vendors[idx].vendor_oui, 3) == 0) {
+	    (*tulip_vendors[idx].vendor_identify_nic)(sc);
+	    break;
+	}
+    }
+
+    sc->tulip_features |= TULIP_HAVE_OKROM;
+    return 0;
+}
+
+#if defined(IFM_ETHER)
+static void
+tulip_ifmedia_add(
+    tulip_softc_t * const sc)
+{
+    tulip_media_t media;
+    int medias = 0;
+
+    for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
+	if (sc->tulip_mediums[media] != NULL) {
+	    ifmedia_add(&sc->tulip_ifmedia, tulip_media_to_ifmedia[media],
+			0, 0);
+	    medias++;
+	}
+    }
+    if (medias == 0) {
+	sc->tulip_features |= TULIP_HAVE_NOMEDIA;
+	ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE, 0, 0);
+	ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_NONE);
+    } else if (sc->tulip_media == TULIP_MEDIA_UNKNOWN) {
+	ifmedia_add(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO, 0, 0);
+	ifmedia_set(&sc->tulip_ifmedia, IFM_ETHER | IFM_AUTO);
+    } else {
+	ifmedia_set(&sc->tulip_ifmedia, tulip_media_to_ifmedia[sc->tulip_media]);
+	sc->tulip_flags |= TULIP_PRINTMEDIA;
+	tulip_linkup(sc, sc->tulip_media);
+    }
+}
+
+static int
+tulip_ifmedia_change(
+    struct ifnet * const ifp)
+{
+    tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
+
+    sc->tulip_flags |= TULIP_NEEDRESET;
+    sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
+    sc->tulip_media = TULIP_MEDIA_UNKNOWN;
+    if (IFM_SUBTYPE(sc->tulip_ifmedia.ifm_media) != IFM_AUTO) {
+	tulip_media_t media;
+	for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
+	    if (sc->tulip_mediums[media] != NULL
+		&& sc->tulip_ifmedia.ifm_media == tulip_media_to_ifmedia[media]) {
+		sc->tulip_flags |= TULIP_PRINTMEDIA;
+		sc->tulip_flags &= ~TULIP_DIDNWAY;
+		tulip_linkup(sc, media);
+		return 0;
+	    }
+	}
+    }
+    sc->tulip_flags &= ~(TULIP_TXPROBE_ACTIVE|TULIP_WANTRXACT);
+    tulip_reset(sc);
+    tulip_init(sc);
+    return 0;
+}
+
+/*
+ * Media status callback
+ */
+static void
+tulip_ifmedia_status(
+    struct ifnet * const ifp,
+    struct ifmediareq *req)
+{
+    tulip_softc_t *sc = TULIP_IFP_TO_SOFTC(ifp);
+
+#if defined(__bsdi__)
+    if (sc->tulip_mii.mii_instance != 0) {
+	mii_pollstat(&sc->tulip_mii);
+	req->ifm_active = sc->tulip_mii.mii_media_active;
+	req->ifm_status = sc->tulip_mii.mii_media_status;
+	return;
+    }
+#endif
+    if (sc->tulip_media == TULIP_MEDIA_UNKNOWN)
+	return;
+
+    req->ifm_status = IFM_AVALID;
+    if (sc->tulip_flags & TULIP_LINKUP)
+	req->ifm_status |= IFM_ACTIVE;
+
+    req->ifm_active = tulip_media_to_ifmedia[sc->tulip_media];
+}
+#endif
+
+static void
+tulip_addr_filter(
+    tulip_softc_t * const sc)
+{
+    struct ether_multistep step;
+    struct ether_multi *enm;
+
+    sc->tulip_flags &= ~(TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY|TULIP_ALLMULTI);
+    sc->tulip_flags |= TULIP_WANTSETUP;
+    sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
+    sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
+#if defined(IFF_ALLMULTI)    
+    sc->tulip_if.if_flags &= ~IFF_ALLMULTI;
+#endif
+    if (sc->tulip_multicnt > 14) {
+	u_int32_t *sp = sc->tulip_setupdata;
+	unsigned hash;
+	/*
+	 * Some early passes of the 21140 have broken implementations of
+	 * hash-perfect mode.  When we get too many multicasts for perfect
+	 * filtering with these chips, we need to switch into hash-only
+	 * mode (this is better than all-multicast on network with lots
+	 * of multicast traffic).
+	 */
+	if (sc->tulip_features & TULIP_HAVE_BROKEN_HASH)
+	    sc->tulip_flags |= TULIP_WANTHASHONLY;
+	else
+	    sc->tulip_flags |= TULIP_WANTHASHPERFECT;
+	/*
+	 * If we have more than 14 multicasts, we have
+	 * go into hash perfect mode (512 bit multicast
+	 * hash and one perfect hardware).
+	 */
+	bzero(sc->tulip_setupdata, sizeof(sc->tulip_setupdata));
+	ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm);
+	while (enm != NULL) {
+		if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) {
+		    hash = tulip_mchash(enm->enm_addrlo);
+		    sp[hash >> 4] |= 1 << (hash & 0xF);
+		} else {
+		    sc->tulip_flags |= TULIP_ALLMULTI;
+		    sc->tulip_flags &= ~(TULIP_WANTHASHONLY|TULIP_WANTHASHPERFECT);
+		    break;
+		}
+		ETHER_NEXT_MULTI(step, enm);
+	}
+	/*
+	 * No reason to use a hash if we are going to be
+	 * receiving every multicast.
+	 */
+	if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
+	    hash = tulip_mchash(etherbroadcastaddr);
+	    sp[hash >> 4] |= 1 << (hash & 0xF);
+	    if (sc->tulip_flags & TULIP_WANTHASHONLY) {
+		hash = tulip_mchash(sc->tulip_enaddr);
+		sp[hash >> 4] |= 1 << (hash & 0xF);
+	    } else {
+		sp[39] = ((u_int16_t *) sc->tulip_enaddr)[0]; 
+		sp[40] = ((u_int16_t *) sc->tulip_enaddr)[1]; 
+		sp[41] = ((u_int16_t *) sc->tulip_enaddr)[2];
+	    }
+	}
+    }
+    if ((sc->tulip_flags & (TULIP_WANTHASHPERFECT|TULIP_WANTHASHONLY)) == 0) {
+	u_int32_t *sp = sc->tulip_setupdata;
+	int idx = 0;
+	if ((sc->tulip_flags & TULIP_ALLMULTI) == 0) {
+	    /*
+	     * Else can get perfect filtering for 16 addresses.
+	     */
+	    ETHER_FIRST_MULTI(step, TULIP_ETHERCOM(sc), enm);
+	    for (; enm != NULL; idx++) {
+		if (bcmp(enm->enm_addrlo, enm->enm_addrhi, 6) == 0) {
+		    *sp++ = ((u_int16_t *) enm->enm_addrlo)[0]; 
+		    *sp++ = ((u_int16_t *) enm->enm_addrlo)[1]; 
+		    *sp++ = ((u_int16_t *) enm->enm_addrlo)[2];
+		} else {
+		    sc->tulip_flags |= TULIP_ALLMULTI;
+		    break;
+		}
+		ETHER_NEXT_MULTI(step, enm);
+	    }
+	    /*
+	     * Add the broadcast address.
+	     */
+	    idx++;
+	    *sp++ = 0xFFFF;
+	    *sp++ = 0xFFFF;
+	    *sp++ = 0xFFFF;
+	}
+	/*
+	 * Pad the rest with our hardware address
+	 */
+	for (; idx < 16; idx++) {
+	    *sp++ = ((u_int16_t *) sc->tulip_enaddr)[0]; 
+	    *sp++ = ((u_int16_t *) sc->tulip_enaddr)[1]; 
+	    *sp++ = ((u_int16_t *) sc->tulip_enaddr)[2];
+	}
+    }
+#if defined(IFF_ALLMULTI)
+    if (sc->tulip_flags & TULIP_ALLMULTI)
+	sc->tulip_if.if_flags |= IFF_ALLMULTI;
+#endif
+}
+
+static void
+tulip_reset(
+    tulip_softc_t * const sc)
+{
+    tulip_ringinfo_t *ri;
+    tulip_desc_t *di;
+    u_int32_t inreset = (sc->tulip_flags & TULIP_INRESET);
+
+    /*
+     * Brilliant.  Simply brilliant.  When switching modes/speeds
+     * on a 2114*, you need to set the appriopriate MII/PCS/SCL/PS
+     * bits in CSR6 and then do a software reset to get the 21140
+     * to properly reset its internal pathways to the right places.
+     *   Grrrr.
+     */
+    if (sc->tulip_boardsw->bd_media_preset != NULL)
+	(*sc->tulip_boardsw->bd_media_preset)(sc);
+
+    TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
+    DELAY(10);	/* Wait 10 microseconds (actually 50 PCI cycles but at 
+		   33MHz that comes to two microseconds but wait a
+		   bit longer anyways) */
+
+    if (!inreset) {
+	sc->tulip_flags |= TULIP_INRESET;
+	sc->tulip_flags &= ~(TULIP_NEEDRESET|TULIP_RXBUFSLOW);
+	sc->tulip_if.if_flags &= ~IFF_OACTIVE;
+    }
+
+    TULIP_CSR_WRITE(sc, csr_txlist, TULIP_KVATOPHYS(sc, &sc->tulip_txinfo.ri_first[0]));
+    TULIP_CSR_WRITE(sc, csr_rxlist, TULIP_KVATOPHYS(sc, &sc->tulip_rxinfo.ri_first[0]));
+    TULIP_CSR_WRITE(sc, csr_busmode,
+		    (1 << (TULIP_BURSTSIZE(sc->tulip_unit) + 8))
+		    |TULIP_BUSMODE_CACHE_ALIGN8
+		    |TULIP_BUSMODE_READMULTIPLE
+		    |(BYTE_ORDER != LITTLE_ENDIAN ? TULIP_BUSMODE_BIGENDIAN : 0));
+
+    sc->tulip_txtimer = 0;
+    sc->tulip_txq.ifq_maxlen = TULIP_TXDESCS;
+    /*
+     * Free all the mbufs that were on the transmit ring.
+     */
+    for (;;) {
+	struct mbuf *m;
+	IF_DEQUEUE(&sc->tulip_txq, m);
+	if (m == NULL)
+	    break;
+	m_freem(m);
+    }
+
+    ri = &sc->tulip_txinfo;
+    ri->ri_nextin = ri->ri_nextout = ri->ri_first;
+    ri->ri_free = ri->ri_max;
+    for (di = ri->ri_first; di < ri->ri_last; di++)
+	di->d_status = 0;
+
+    /*
+     * We need to collect all the mbufs were on the 
+     * receive ring before we reinit it either to put
+     * them back on or to know if we have to allocate
+     * more.
+     */
+    ri = &sc->tulip_rxinfo;
+    ri->ri_nextin = ri->ri_nextout = ri->ri_first;
+    ri->ri_free = ri->ri_max;
+    for (di = ri->ri_first; di < ri->ri_last; di++) {
+	di->d_status = 0;
+	di->d_length1 = 0; di->d_addr1 = 0;
+	di->d_length2 = 0; di->d_addr2 = 0;
+    }
+    for (;;) {
+	struct mbuf *m;
+	IF_DEQUEUE(&sc->tulip_rxq, m);
+	if (m == NULL)
+	    break;
+	m_freem(m);
+    }
+
+    /*
+     * If tulip_reset is being called recurisvely, exit quickly knowing
+     * that when the outer tulip_reset returns all the right stuff will
+     * have happened.
+     */
+    if (inreset)
+	return;
+
+    sc->tulip_intrmask |= TULIP_STS_NORMALINTR|TULIP_STS_RXINTR|TULIP_STS_TXINTR
+	|TULIP_STS_ABNRMLINTR|TULIP_STS_SYSERROR|TULIP_STS_TXSTOPPED
+	    |TULIP_STS_TXBABBLE|TULIP_STS_LINKFAIL|TULIP_STS_RXSTOPPED;
+
+    if ((sc->tulip_flags & TULIP_DEVICEPROBE) == 0)
+	(*sc->tulip_boardsw->bd_media_select)(sc);
+#if defined(TULIP_DEBUG)
+    if ((sc->tulip_flags & TULIP_NEEDRESET) == TULIP_NEEDRESET)
+	printf(TULIP_PRINTF_FMT ": tulip_reset: additional reset needed?!?\n",
+	       TULIP_PRINTF_ARGS);
+#endif
+    tulip_media_print(sc);
+    if (sc->tulip_features & TULIP_HAVE_DUALSENSE)
+	TULIP_CSR_WRITE(sc, csr_sia_status, TULIP_CSR_READ(sc, csr_sia_status));
+
+    sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_WANTSETUP|TULIP_INRESET
+			 |TULIP_RXACT);
+    tulip_addr_filter(sc);
+}
+
+static void
+tulip_init(
+    tulip_softc_t * const sc)
+{
+    if (sc->tulip_if.if_flags & IFF_UP) {
+	if ((sc->tulip_if.if_flags & IFF_RUNNING) == 0) {
+	    /* initialize the media */
+	    tulip_reset(sc);
+	}
+	sc->tulip_if.if_flags |= IFF_RUNNING;
+	if (sc->tulip_if.if_flags & IFF_PROMISC) {
+	    sc->tulip_flags |= TULIP_PROMISC;
+	    sc->tulip_cmdmode |= TULIP_CMD_PROMISCUOUS;
+	} else {
+	    sc->tulip_flags &= ~TULIP_PROMISC;
+	    sc->tulip_cmdmode &= ~TULIP_CMD_PROMISCUOUS;
+	    if (sc->tulip_flags & TULIP_ALLMULTI) {
+		sc->tulip_cmdmode |= TULIP_CMD_ALLMULTI;
+	    } else {
+		sc->tulip_cmdmode &= ~TULIP_CMD_ALLMULTI;
+	    }
+	}
+	sc->tulip_cmdmode |= TULIP_CMD_TXRUN;
+	if ((sc->tulip_flags & (TULIP_TXPROBE_ACTIVE|TULIP_WANTSETUP)) == 0) {
+	    tulip_rx_intr(sc);
+	    sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
+	    sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
+	} else {
+	    sc->tulip_if.if_flags |= IFF_OACTIVE;
+	    sc->tulip_cmdmode &= ~TULIP_CMD_RXRUN;
+	    sc->tulip_intrmask &= ~TULIP_STS_RXSTOPPED;
+	}
+	TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
+	TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
+	tulip_ifstart(&sc->tulip_if);
+    } else {
+	sc->tulip_if.if_flags &= ~IFF_RUNNING;
+	tulip_reset(sc);
+    }
+}
+
+static void
+tulip_rx_intr(
+    tulip_softc_t * const sc)
+{
+    tulip_ringinfo_t * const ri = &sc->tulip_rxinfo;
+    struct ifnet * const ifp = &sc->tulip_if;
+    int fillok = 1;
+#if defined(TULIP_DEBUG)
+    int cnt = 0;
+#endif
+
+    for (;;) {
+	struct ether_header eh;
+	tulip_desc_t *eop = ri->ri_nextin;
+	int total_len = 0, last_offset = 0;
+	struct mbuf *ms = NULL, *me = NULL;
+	int accept = 0;
+
+	if (fillok && sc->tulip_rxq.ifq_len < TULIP_RXQ_TARGET)
+	    goto queue_mbuf;
+
+#if defined(TULIP_DEBUG)
+	if (cnt == ri->ri_max)
+	    break;
+#endif
+	/*
+	 * If the TULIP has no descriptors, there can't be any receive
+	 * descriptors to process.
+ 	 */
+	if (eop == ri->ri_nextout)
+	    break;
+	    
+	/*
+	 * 90% of the packets will fit in one descriptor.  So we optimize
+	 * for that case.
+	 */
+	if ((((volatile tulip_desc_t *) eop)->d_status & (TULIP_DSTS_OWNER|TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) == (TULIP_DSTS_RxFIRSTDESC|TULIP_DSTS_RxLASTDESC)) {
+	    IF_DEQUEUE(&sc->tulip_rxq, ms);
+	    me = ms;
+	} else {
+	    /*
+	     * If still owned by the TULIP, don't touch it.
+	     */
+	    if (((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER)
+		break;
+
+	    /*
+	     * It is possible (though improbable unless the BIG_PACKET support
+	     * is enabled or MCLBYTES < 1518) for a received packet to cross
+	     * more than one receive descriptor.  
+	     */
+	    while ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_RxLASTDESC) == 0) {
+		if (++eop == ri->ri_last)
+		    eop = ri->ri_first;
+		if (eop == ri->ri_nextout || ((((volatile tulip_desc_t *) eop)->d_status & TULIP_DSTS_OWNER))) {
+#if defined(TULIP_DEBUG)
+		    sc->tulip_dbg.dbg_rxintrs++;
+		    sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
+#endif
+		    return;
+		}
+		total_len++;
+	    }
+
+	    /*
+	     * Dequeue the first buffer for the start of the packet.  Hopefully
+	     * this will be the only one we need to dequeue.  However, if the
+	     * packet consumed multiple descriptors, then we need to dequeue
+	     * those buffers and chain to the starting mbuf.  All buffers but
+	     * the last buffer have the same length so we can set that now.
+	     * (we add to last_offset instead of multiplying since we normally
+	     * won't go into the loop and thereby saving a ourselves from
+	     * doing a multiplication by 0 in the normal case).
+	     */
+	    IF_DEQUEUE(&sc->tulip_rxq, ms);
+	    for (me = ms; total_len > 0; total_len--) {
+		me->m_len = TULIP_RX_BUFLEN;
+		last_offset += TULIP_RX_BUFLEN;
+		IF_DEQUEUE(&sc->tulip_rxq, me->m_next);
+		me = me->m_next;
+	    }
+	}
+
+	/*
+	 *  Now get the size of received packet (minus the CRC).
+	 */
+	total_len = ((eop->d_status >> 16) & 0x7FFF) - 4;
+	if ((sc->tulip_flags & TULIP_RXIGNORE) == 0
+		&& ((eop->d_status & TULIP_DSTS_ERRSUM) == 0
+#ifdef BIG_PACKET
+		     || (total_len <= sc->tulip_if.if_mtu + sizeof(struct ether_header) && 
+			 (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxRUNT|
+					  TULIP_DSTS_RxCOLLSEEN|TULIP_DSTS_RxBADCRC|
+					  TULIP_DSTS_RxOVERFLOW)) == 0)
+#endif
+		)) {
+	    me->m_len = total_len - last_offset;
+	    eh = *mtod(ms, struct ether_header *);
+#if NBPFILTER > 0
+	    if (sc->tulip_bpf != NULL)
+		if (me == ms)
+		    TULIP_BPF_TAP(sc, mtod(ms, caddr_t), total_len);
+		else
+		    TULIP_BPF_MTAP(sc, ms);
+#endif
+	    sc->tulip_flags |= TULIP_RXACT;
+	    if ((sc->tulip_flags & (TULIP_PROMISC|TULIP_HASHONLY))
+		    && (eh.ether_dhost[0] & 1) == 0
+		    && !TULIP_ADDREQUAL(eh.ether_dhost, sc->tulip_enaddr))
+		    goto next;
+	    accept = 1;
+	    total_len -= sizeof(struct ether_header);
+	} else {
+	    ifp->if_ierrors++;
+	    if (eop->d_status & (TULIP_DSTS_RxBADLENGTH|TULIP_DSTS_RxOVERFLOW|TULIP_DSTS_RxWATCHDOG)) {
+		sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
+	    } else {
+		const char *error = NULL;
+		if (eop->d_status & TULIP_DSTS_RxTOOLONG) {
+		    sc->tulip_dot3stats.dot3StatsFrameTooLongs++;
+		    error = "frame too long";
+		}
+		if (eop->d_status & TULIP_DSTS_RxBADCRC) {
+		    if (eop->d_status & TULIP_DSTS_RxDRBBLBIT) {
+			sc->tulip_dot3stats.dot3StatsAlignmentErrors++;
+			error = "alignment error";
+		    } else {
+			sc->tulip_dot3stats.dot3StatsFCSErrors++;
+			error = "bad crc";
+		    }
+		}
+		if (error != NULL && (sc->tulip_flags & TULIP_NOMESSAGES) == 0) {
+		    printf(TULIP_PRINTF_FMT ": receive: " TULIP_EADDR_FMT ": %s\n",
+			   TULIP_PRINTF_ARGS,
+			   TULIP_EADDR_ARGS(mtod(ms, u_char *) + 6),
+			   error);
+		    sc->tulip_flags |= TULIP_NOMESSAGES;
+		}
+	    }
+	}
+      next:
+#if defined(TULIP_DEBUG)
+	cnt++;
+#endif
+	ifp->if_ipackets++;
+	if (++eop == ri->ri_last)
+	    eop = ri->ri_first;
+	ri->ri_nextin = eop;
+      queue_mbuf:
+	/*
+	 * Either we are priming the TULIP with mbufs (m == NULL)
+	 * or we are about to accept an mbuf for the upper layers
+	 * so we need to allocate an mbuf to replace it.  If we
+	 * can't replace it, send up it anyways.  This may cause
+	 * us to drop packets in the future but that's better than
+	 * being caught in livelock.
+	 *
+	 * Note that if this packet crossed multiple descriptors
+	 * we don't even try to reallocate all the mbufs here.
+	 * Instead we rely on the test of the beginning of
+	 * the loop to refill for the extra consumed mbufs.
+	 */
+	if (accept || ms == NULL) {
+	    struct mbuf *m0;
+	    MGETHDR(m0, M_DONTWAIT, MT_DATA);
+	    if (m0 != NULL) {
+#if defined(TULIP_COPY_RXDATA)
+		if (!accept || total_len >= MHLEN) {
+#endif
+		    MCLGET(m0, M_DONTWAIT);
+		    if ((m0->m_flags & M_EXT) == 0) {
+			m_freem(m0);
+			m0 = NULL;
+		    }
+#if defined(TULIP_COPY_RXDATA)
+		}
+#endif
+	    }
+	    if (accept
+#if defined(TULIP_COPY_RXDATA)
+		&& m0 != NULL
+#endif
+		) {
+#if defined(__bsdi__)
+		eh.ether_type = ntohs(eh.ether_type);
+#endif
+#if !defined(TULIP_COPY_RXDATA)
+		ms->m_data += sizeof(struct ether_header);
+		ms->m_len -= sizeof(struct ether_header);
+		ms->m_pkthdr.len = total_len;
+		ms->m_pkthdr.rcvif = ifp;
+		ether_input(ifp, &eh, ms);
+#else
+#ifdef BIG_PACKET
+#error BIG_PACKET is incompatible with TULIP_COPY_RXDATA
+#endif
+		if (ms == me)
+		    bcopy(mtod(ms, caddr_t) + sizeof(struct ether_header),
+			  mtod(m0, caddr_t), total_len);
+		else
+		    m_copydata(ms, 0, total_len, mtod(m0, caddr_t));
+		m0->m_len = m0->m_pkthdr.len = total_len;
+		m0->m_pkthdr.rcvif = ifp;
+		ether_input(ifp, &eh, m0);
+		m0 = ms;
+#endif
+	    }
+	    ms = m0;
+	}
+	if (ms == NULL) {
+	    /*
+	     * Couldn't allocate a new buffer.  Don't bother 
+	     * trying to replenish the receive queue.
+	     */
+	    fillok = 0;
+	    sc->tulip_flags |= TULIP_RXBUFSLOW;
+#if defined(TULIP_DEBUG)
+	    sc->tulip_dbg.dbg_rxlowbufs++;
+#endif
+	    continue;
+	}
+	/*
+	 * Now give the buffer(s) to the TULIP and save in our
+	 * receive queue.
+	 */
+	do {
+	    ri->ri_nextout->d_length1 = TULIP_RX_BUFLEN;
+	    ri->ri_nextout->d_addr1 = TULIP_KVATOPHYS(sc, mtod(ms, caddr_t));
+	    ri->ri_nextout->d_status = TULIP_DSTS_OWNER;
+	    if (++ri->ri_nextout == ri->ri_last)
+		ri->ri_nextout = ri->ri_first;
+	    me = ms->m_next;
+	    ms->m_next = NULL;
+	    IF_ENQUEUE(&sc->tulip_rxq, ms);
+	} while ((ms = me) != NULL);
+
+	if (sc->tulip_rxq.ifq_len >= TULIP_RXQ_TARGET)
+	    sc->tulip_flags &= ~TULIP_RXBUFSLOW;
+    }
+
+#if defined(TULIP_DEBUG)
+    sc->tulip_dbg.dbg_rxintrs++;
+    sc->tulip_dbg.dbg_rxpktsperintr[cnt]++;
+#endif
+}
+
+static int
+tulip_tx_intr(
+    tulip_softc_t * const sc)
+{
+    tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
+    struct mbuf *m;
+    int xmits = 0;
+
+    while (ri->ri_free < ri->ri_max) {
+	if (((volatile tulip_desc_t *) ri->ri_nextin)->d_status & TULIP_DSTS_OWNER)
+	    break;
+
+	if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxLASTSEG) {
+	    if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxSETUPPKT) {
+		/*
+		 * We've just finished processing a setup packet.
+		 * Mark that we finished it.  If there's not
+		 * another pending, startup the TULIP receiver.
+		 * Make sure we ack the RXSTOPPED so we won't get
+		 * an abormal interrupt indication.
+		 */
+		sc->tulip_flags &= ~(TULIP_DOINGSETUP|TULIP_HASHONLY);
+		if (ri->ri_nextin->d_flag & TULIP_DFLAG_TxINVRSFILT)
+		    sc->tulip_flags |= TULIP_HASHONLY;
+		if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == 0) {
+		    tulip_rx_intr(sc);
+		    sc->tulip_cmdmode |= TULIP_CMD_RXRUN;
+		    sc->tulip_intrmask |= TULIP_STS_RXSTOPPED;
+		    TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
+		    TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
+		    TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
+		}
+	    } else {
+		tulip_desc_t * const nextin = ri->ri_nextin;
+		IF_DEQUEUE(&sc->tulip_txq, m);
+		m_freem(m);
+		if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
+		    tulip_mediapoll_event_t event = TULIP_MEDIAPOLL_TXPROBE_OK;
+		    if (nextin->d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxEXCCOLL)) {
+#if defined(TULIP_DEBUG)
+			if (nextin->d_status & TULIP_DSTS_TxNOCARR)
+			    sc->tulip_dbg.dbg_txprobe_nocarr++;
+			if (nextin->d_status & TULIP_DSTS_TxEXCCOLL)
+			    sc->tulip_dbg.dbg_txprobe_exccoll++;
+#endif
+			event = TULIP_MEDIAPOLL_TXPROBE_FAILED;
+		    }
+		    (*sc->tulip_boardsw->bd_media_poll)(sc, event);
+		    /*
+		     * Escape from the loop before media poll has reset the TULIP!
+		     */
+		    break;
+		} else {
+		    xmits++;
+		    if (nextin->d_status & TULIP_DSTS_ERRSUM) {
+			sc->tulip_if.if_oerrors++;
+			if (nextin->d_status & TULIP_DSTS_TxEXCCOLL)
+			    sc->tulip_dot3stats.dot3StatsExcessiveCollisions++;
+			if (nextin->d_status & TULIP_DSTS_TxLATECOLL)
+			    sc->tulip_dot3stats.dot3StatsLateCollisions++;
+			if (nextin->d_status & (TULIP_DSTS_TxNOCARR|TULIP_DSTS_TxCARRLOSS))
+			    sc->tulip_dot3stats.dot3StatsCarrierSenseErrors++;
+			if (nextin->d_status & (TULIP_DSTS_TxUNDERFLOW|TULIP_DSTS_TxBABBLE))
+			    sc->tulip_dot3stats.dot3StatsInternalMacTransmitErrors++;
+		    } else {
+			u_int32_t collisions = 
+			    (nextin->d_status & TULIP_DSTS_TxCOLLMASK)
+				>> TULIP_DSTS_V_TxCOLLCNT;
+			sc->tulip_if.if_collisions += collisions;
+			if (collisions == 1)
+			    sc->tulip_dot3stats.dot3StatsSingleCollisionFrames++;
+			else if (collisions > 1)
+			    sc->tulip_dot3stats.dot3StatsMultipleCollisionFrames++;
+			else if (nextin->d_status & TULIP_DSTS_TxDEFERRED)
+			    sc->tulip_dot3stats.dot3StatsDeferredTransmissions++;
+			/*
+			 * SQE is only valid for 10baseT/BNC/AUI when not
+			 * running in full-duplex.  In order to speed up the
+			 * test, the corresponding bit in tulip_flags needs to
+			 * set as well to get us to count SQE Test Errors.
+			 */
+			if (nextin->d_status & TULIP_DSTS_TxNOHRTBT & sc->tulip_flags)
+			    sc->tulip_dot3stats.dot3StatsSQETestErrors++;
+		    }
+		}
+	    }
+	}
+
+	if (++ri->ri_nextin == ri->ri_last)
+	    ri->ri_nextin = ri->ri_first;
+
+	ri->ri_free++;
+	if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
+	    sc->tulip_if.if_flags &= ~IFF_OACTIVE;
+    }
+    /*
+     * If nothing left to transmit, disable the timer.
+     * Else if progress, reset the timer back to 2 ticks.
+     */
+    if (ri->ri_free == ri->ri_max || (sc->tulip_flags & TULIP_TXPROBE_ACTIVE))
+	sc->tulip_txtimer = 0;
+    else if (xmits > 0)
+	sc->tulip_txtimer = TULIP_TXTIMER;
+    sc->tulip_if.if_opackets += xmits;
+    return xmits;
+}
+
+static void
+tulip_print_abnormal_interrupt(
+    tulip_softc_t * const sc,
+    u_int32_t csr)
+{
+    const char * const *msgp = tulip_status_bits;
+    const char *sep;
+
+    csr &= (1 << (sizeof(tulip_status_bits)/sizeof(tulip_status_bits[0]))) - 1;
+    printf(TULIP_PRINTF_FMT ": abnormal interrupt:", TULIP_PRINTF_ARGS);
+    for (sep = " "; csr != 0; csr >>= 1, msgp++) {
+	if ((csr & 1) && *msgp != NULL) {
+	    printf("%s%s", sep, *msgp);
+	    sep = ", ";
+	}
+    }
+    printf("\n");
+}
+
+static void
+tulip_intr_handler(
+    tulip_softc_t * const sc,
+    int *progress_p)
+{
+    u_int32_t csr;
+
+    while ((csr = TULIP_CSR_READ(sc, csr_status)) & sc->tulip_intrmask) {
+	*progress_p = 1;
+	TULIP_CSR_WRITE(sc, csr_status, csr);
+
+	if (csr & TULIP_STS_SYSERROR) {
+	    sc->tulip_last_system_error = (csr & TULIP_STS_ERRORMASK) >> TULIP_STS_ERR_SHIFT;
+	    if (sc->tulip_flags & TULIP_NOMESSAGES) {
+		sc->tulip_flags |= TULIP_SYSTEMERROR;
+	    } else {
+		printf(TULIP_PRINTF_FMT ": system error: %s\n",
+		       TULIP_PRINTF_ARGS,
+		       tulip_system_errors[sc->tulip_last_system_error]);
+	    }
+	    sc->tulip_flags |= TULIP_NEEDRESET;
+	    sc->tulip_system_errors++;
+	    break;
+	}
+	if (csr & (TULIP_STS_LINKPASS|TULIP_STS_LINKFAIL)) {
+#if defined(TULIP_DEBUG)
+	    sc->tulip_dbg.dbg_link_intrs++;
+#endif
+	    if (sc->tulip_boardsw->bd_media_poll != NULL) {
+		(*sc->tulip_boardsw->bd_media_poll)(sc, csr & TULIP_STS_LINKFAIL
+						    ? TULIP_MEDIAPOLL_LINKFAIL
+						    : TULIP_MEDIAPOLL_LINKPASS);
+		csr &= ~TULIP_STS_ABNRMLINTR;
+	    }
+	    tulip_media_print(sc);
+	}
+	if (csr & (TULIP_STS_RXINTR|TULIP_STS_RXNOBUF)) {
+	    u_int32_t misses = TULIP_CSR_READ(sc, csr_missed_frames);
+	    if (csr & TULIP_STS_RXNOBUF)
+		sc->tulip_dot3stats.dot3StatsMissedFrames += misses & 0xFFFF;
+	    /*
+	     * Pass 2.[012] of the 21140A-A[CDE] may hang and/or corrupt data
+	     * on receive overflows.
+	     */
+	   if ((misses & 0x0FFE0000) && (sc->tulip_features & TULIP_HAVE_RXBADOVRFLW)) {
+		sc->tulip_dot3stats.dot3StatsInternalMacReceiveErrors++;
+		/*
+		 * Stop the receiver process and spin until it's stopped.
+		 * Tell rx_intr to drop the packets it dequeues.
+		 */
+		TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode & ~TULIP_CMD_RXRUN);
+		while ((TULIP_CSR_READ(sc, csr_status) & TULIP_STS_RXSTOPPED) == 0)
+		    ;
+		TULIP_CSR_WRITE(sc, csr_status, TULIP_STS_RXSTOPPED);
+		sc->tulip_flags |= TULIP_RXIGNORE;
+	    }
+	    tulip_rx_intr(sc);
+	    if (sc->tulip_flags & TULIP_RXIGNORE) {
+		/*
+		 * Restart the receiver.
+		 */
+		sc->tulip_flags &= ~TULIP_RXIGNORE;
+		TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
+	    }
+	}
+	if (csr & TULIP_STS_ABNRMLINTR) {
+	    u_int32_t tmp = csr & sc->tulip_intrmask
+		& ~(TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR);
+	    if (sc->tulip_flags & TULIP_NOMESSAGES) {
+		sc->tulip_statusbits |= tmp;
+	    } else {
+		tulip_print_abnormal_interrupt(sc, tmp);
+		sc->tulip_flags |= TULIP_NOMESSAGES;
+	    }
+	    TULIP_CSR_WRITE(sc, csr_command, sc->tulip_cmdmode);
+	}
+	if (sc->tulip_txinfo.ri_free < sc->tulip_txinfo.ri_max) {
+	    tulip_tx_intr(sc);
+	    if ((sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
+		tulip_ifstart(&sc->tulip_if);
+	}
+    }
+    if (sc->tulip_flags & TULIP_NEEDRESET) {
+	tulip_reset(sc);
+	tulip_init(sc);
+    }
+}
+
+#if defined(TULIP_USE_SOFTINTR)
+/*
+ * This is a experimental idea to alleviate problems due to interrupt
+ * livelock.  What is interrupt livelock?  It's when you spend all your
+ * time servicing device interrupts and never drop below device ipl
+ * to do "useful" work.
+ *
+ * So what we do here is see if the device needs service and if so,
+ * disable interrupts (dismiss the interrupt), place it in a list of devices
+ * needing service, and issue a network software interrupt.
+ *
+ * When our network software interrupt routine gets called, we simply
+ * walk done the list of devices that we have created and deal with them
+ * at splnet/splsoftnet.
+ *
+ */
+static void
+tulip_hardintr_handler(
+    tulip_softc_t * const sc,
+    int *progress_p)
+{
+    if (TULIP_CSR_READ(sc, csr_status) & (TULIP_STS_NORMALINTR|TULIP_STS_ABNRMLINTR) == 0)
+	return;
+    *progress_p = 1;
+    /*
+     * disable interrupts
+     */
+    TULIP_CSR_WRITE(sc, csr_intr, 0);
+    /*
+     * mark it as needing a software interrupt
+     */
+    tulip_softintr_mask |= (1U << sc->tulip_unit);
+}
+
+static void
+tulip_softintr(
+    void)
+{
+    u_int32_t softintr_mask, mask;
+    int progress = 0;
+    int unit;
+    tulip_spl_t s;
+
+    /*
+     * Copy mask to local copy and reset global one to 0.
+     */
+    s = TULIP_RAISESPL();
+    softintr_mask = tulip_softintr_mask;
+    tulip_softintr_mask = 0;
+    TULIP_RESTORESPL(s);
+
+    /*
+     * Optimize for the single unit case.
+     */
+    if (tulip_softintr_max_unit == 0) {
+	if (softintr_mask & 1) {
+	    tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(0);
+	    /*
+	     * Handle the "interrupt" and then reenable interrupts
+	     */
+	    softintr_mask = 0;
+	    tulip_intr_handler(sc, &progress);
+	    TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
+	}
+	return;
+    }
+
+    /*
+     * Handle all "queued" interrupts in a round robin fashion.
+     * This is done so as not to favor a particular interface.
+     */
+    unit = tulip_softintr_last_unit;
+    mask = (1U << unit);
+    while (softintr_mask != 0) {
+	if (tulip_softintr_max_unit == unit) {
+	    unit  = 0; mask   = 1;
+	} else {
+	    unit += 1; mask <<= 1;
+	}
+	if (softintr_mask & mask) {
+	    tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(unit);
+	    /*
+	     * Handle the "interrupt" and then reenable interrupts
+	     */
+	    softintr_mask ^= mask;
+	    tulip_intr_handler(sc, &progress);
+	    TULIP_CSR_WRITE(sc, csr_intr, sc->tulip_intrmask);
+	}
+    }
+
+    /*
+     * Save where we ending up.
+     */
+    tulip_softintr_last_unit = unit;
+}
+#endif	/* TULIP_USE_SOFTINTR */
+
+static tulip_intrfunc_t
+tulip_intr_shared(
+    void *arg)
+{
+    tulip_softc_t * sc;
+    int progress = 0;
+
+    for (sc = (tulip_softc_t *) arg; sc != NULL; sc = sc->tulip_slaves) {
+#if defined(TULIP_DEBUG)
+	sc->tulip_dbg.dbg_intrs++;
+#endif
+#if defined(TULIP_USE_SOFTINTR)
+	tulip_hardintr_handler(sc, &progress);
+#else
+	tulip_intr_handler(sc, &progress);
+#endif
+    }
+#if defined(TULIP_USE_SOFTINTR)
+    if (progress)
+	schednetisr(NETISR_DE);
+#endif
+#if !defined(TULIP_VOID_INTRFUNC)
+    return progress;
+#endif
+}
+
+static tulip_intrfunc_t
+tulip_intr_normal(
+    void *arg)
+{
+    tulip_softc_t * sc = (tulip_softc_t *) arg;
+    int progress = 0;
+
+#if defined(TULIP_DEBUG)
+    sc->tulip_dbg.dbg_intrs++;
+#endif
+#if defined(TULIP_USE_SOFTINTR)
+    tulip_hardintr_handler(sc, &progress);
+    if (progress)
+	schednetisr(NETISR_DE);
+#else
+    tulip_intr_handler(sc, &progress);
+#endif
+#if !defined(TULIP_VOID_INTRFUNC)
+    return progress;
+#endif
+}
+
+/*
+ * This routine is entered at splnet() (splsoftnet() on NetBSD)
+ * and thereby imposes no problems when TULIP_USE_SOFTINTR is 
+ * defined or not.
+ */
+static int
+tulip_ifioctl(
+    struct ifnet * const ifp,
+    ioctl_cmd_t cmd,
+    caddr_t data)
+{
+    tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
+    struct ifaddr *ifa = (struct ifaddr *)data;
+    struct ifreq *ifr = (struct ifreq *) data;
+    tulip_spl_t s;
+    int error = 0;
+
+#if defined(TULIP_USE_SOFTINTR)
+    s = TULIP_RAISESOFTSPL();
+#else
+    s = TULIP_RAISESPL();
+#endif
+    switch (cmd) {
+	case SIOCSIFADDR: {
+	    ifp->if_flags |= IFF_UP;
+	    switch(ifa->ifa_addr->sa_family) {
+#ifdef INET
+		case AF_INET: {
+		    tulip_init(sc);
+		    TULIP_ARP_IFINIT(sc, ifa);
+		    break;
+		}
+#endif /* INET */
+
+#ifdef NS
+		/*
+		 * This magic copied from if_is.c; I don't use XNS,
+		 * so I have no way of telling if this actually
+		 * works or not.
+		 */
+		case AF_NS: {
+		    struct ns_addr *ina = &(IA_SNS(ifa)->sns_addr);
+		    if (ns_nullhost(*ina)) {
+			ina->x_host = *(union ns_host *)(sc->tulip_enaddr);
+		    } else {
+			ifp->if_flags &= ~IFF_RUNNING;
+			bcopy((caddr_t)ina->x_host.c_host,
+			      (caddr_t)sc->tulip_enaddr,
+			      sizeof(sc->tulip_enaddr));
+		    }
+		    tulip_init(sc);
+		    break;
+		}
+#endif /* NS */
+
+		default: {
+		    tulip_init(sc);
+		    break;
+		}
+	    }
+	    break;
+	}
+	case SIOCGIFADDR: {
+	    bcopy((caddr_t) sc->tulip_enaddr,
+		  (caddr_t) ((struct sockaddr *)&ifr->ifr_data)->sa_data,
+		  6);
+	    break;
+	}
+
+	case SIOCSIFFLAGS: {
+#if !defined(IFM_ETHER)
+	    int flags = 0;
+	    if (ifp->if_flags & IFF_LINK0) flags |= 1;
+	    if (ifp->if_flags & IFF_LINK1) flags |= 2;
+	    if (ifp->if_flags & IFF_LINK2) flags |= 4;
+	    if (flags == 7) {
+		ifp->if_flags &= ~(IFF_LINK0|IFF_LINK1|IFF_LINK2);
+		sc->tulip_media = TULIP_MEDIA_UNKNOWN;
+		sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
+		sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP|TULIP_NOAUTOSENSE);
+		tulip_reset(sc);
+	    } else if (flags) {
+		tulip_media_t media;
+		for (media = TULIP_MEDIA_UNKNOWN; media < TULIP_MEDIA_MAX; media++) {
+		    if (sc->tulip_mediums[media] != NULL && --flags == 0) {
+			sc->tulip_flags |= TULIP_NOAUTOSENSE;
+			if (sc->tulip_media != media)
+			    tulip_linkup(sc, media);
+			break;
+		    }
+		}
+		if (flags)
+		    printf(TULIP_PRINTF_FMT ": ignored invalid media request\n");
+	    }
+#endif
+	    tulip_init(sc);
+	    break;
+	}
+
+#if defined(SIOCSIFMEDIA)
+	case SIOCSIFMEDIA:
+	case SIOCGIFMEDIA: {
+	    error = ifmedia_ioctl(ifp, ifr, &sc->tulip_ifmedia, cmd);
+	    break;
+	}
+#endif
+
+	case SIOCADDMULTI:
+	case SIOCDELMULTI: {
+	    /*
+	     * Update multicast listeners
+	     */
+	    if (cmd == SIOCADDMULTI)
+		error = ether_addmulti(ifr, TULIP_ETHERCOM(sc));
+	    else
+		error = ether_delmulti(ifr, TULIP_ETHERCOM(sc));
+
+	    if (error == ENETRESET) {
+		tulip_addr_filter(sc);		/* reset multicast filtering */
+		tulip_init(sc);
+		error = 0;
+	    }
+	    break;
+	}
+#if defined(SIOCSIFMTU)
+#if !defined(ifr_mtu)
+#define ifr_mtu ifr_metric
+#endif
+	case SIOCSIFMTU:
+	    /*
+	     * Set the interface MTU.
+	     */
+	    if (ifr->ifr_mtu > ETHERMTU
+#ifdef BIG_PACKET
+		    && sc->tulip_chipid != TULIP_21140
+		    && sc->tulip_chipid != TULIP_21140A
+		    && sc->tulip_chipid != TULIP_21041
+#endif
+		) {
+		error = EINVAL;
+		break;
+	    }
+	    ifp->if_mtu = ifr->ifr_mtu;
+#ifdef BIG_PACKET
+	    tulip_reset(sc);
+	    tulip_init(sc);
+#endif
+	    break;
+#endif /* SIOCSIFMTU */
+
+#ifdef SIOCGADDRROM
+	case SIOCGADDRROM: {
+	    error = copyout(sc->tulip_rombuf, ifr->ifr_data, sizeof(sc->tulip_rombuf));
+	    break;
+	}
+#endif
+#ifdef SIOCGCHIPID
+	case SIOCGCHIPID: {
+	    ifr->ifr_metric = (int) sc->tulip_chipid;
+	    break;
+	}
+#endif
+	default: {
+	    error = EINVAL;
+	    break;
+	}
+    }
+
+    TULIP_RESTORESPL(s);
+    return error;
+}
+
+/*
+ * This routine gets called at device spl (from ether_output).  This might
+ * pose a problem for TULIP_USE_SOFTINTR if ether_output is called at
+ * device spl from another driver.
+ */
+static ifnet_ret_t
+tulip_ifstart(
+    struct ifnet * const ifp)
+{
+    tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
+    struct ifqueue * const ifq = &ifp->if_snd;
+    tulip_ringinfo_t * const ri = &sc->tulip_txinfo;
+    struct mbuf *m, *m0, *next_m0;
+
+    if ((ifp->if_flags & IFF_RUNNING) == 0
+	    && (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) == 0)
+	return;
+
+    for (;;) {
+	tulip_desc_t *eop, *nextout;
+	int segcnt, free, recopy;
+	u_int32_t d_status;
+
+	if ((sc->tulip_flags & (TULIP_WANTSETUP|TULIP_TXPROBE_ACTIVE)) == TULIP_WANTSETUP) {
+#if defined(TULIP_DEBUG)
+	    if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
+		printf(TULIP_PRINTF_FMT ": ifstart: tx not running\n",
+		       TULIP_PRINTF_ARGS);
+		ifp->if_flags |= IFF_OACTIVE;
+		return;
+	    }
+#endif
+	    if ((sc->tulip_flags & TULIP_DOINGSETUP) || ri->ri_free == 1) {
+		ifp->if_flags |= IFF_OACTIVE;
+		return;
+	    }
+	    bcopy(sc->tulip_setupdata, sc->tulip_setupbuf,
+		   sizeof(sc->tulip_setupbuf));
+	    sc->tulip_flags &= ~TULIP_WANTSETUP;
+	    sc->tulip_flags |= TULIP_DOINGSETUP;
+	    ri->ri_free--;
+	    nextout = ri->ri_nextout;
+	    nextout->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
+	    nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG|TULIP_DFLAG_TxLASTSEG
+		    |TULIP_DFLAG_TxSETUPPKT|TULIP_DFLAG_TxWANTINTR;
+	    if (sc->tulip_flags & TULIP_WANTHASHPERFECT)
+		nextout->d_flag |= TULIP_DFLAG_TxHASHFILT;
+	    else if (sc->tulip_flags & TULIP_WANTHASHONLY)
+		nextout->d_flag |= TULIP_DFLAG_TxHASHFILT|TULIP_DFLAG_TxINVRSFILT;
+	    nextout->d_length1 = sizeof(sc->tulip_setupbuf);
+	    nextout->d_addr1 = TULIP_KVATOPHYS(sc, sc->tulip_setupbuf);
+	    nextout->d_length2 = 0;
+	    nextout->d_addr2 = 0;
+	    /*
+	     * Advance the ring for the next transmit packet.
+	     */
+	    if (++ri->ri_nextout == ri->ri_last)
+		ri->ri_nextout = ri->ri_first;
+	    /*
+	     * Make sure the next descriptor is owned by us since it
+	     * may have been set up above if we ran out of room in the
+	     * ring.
+	     */
+	    ri->ri_nextout->d_status = 0;
+	    nextout->d_status = TULIP_DSTS_OWNER;
+	    TULIP_CSR_WRITE(sc, csr_txpoll, 1);
+	}
+
+	IF_DEQUEUE(ifq, m);
+	if (m == NULL)
+	    break;
+
+#if defined(TULIP_DEBUG)
+	if ((sc->tulip_cmdmode & TULIP_CMD_TXRUN) == 0) {
+	    printf(TULIP_PRINTF_FMT ": ifstart%s: tx not running\n",
+		   TULIP_PRINTF_ARGS,
+		   (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) ? "(probe)" : "");
+	    ifp->if_flags |= IFF_OACTIVE;
+	    IF_PREPEND(ifq, m);
+	    return;
+	}
+#endif
+
+	/*
+	 * Now we try to fill in our transmit descriptors.  This is
+	 * a bit reminiscent of going on the Ark two by two
+	 * since each descriptor for the TULIP can describe
+	 * two buffers.  So we advance through packet filling
+	 * each of the two entries at a time to to fill each
+	 * descriptor.  Clear the first and last segment bits
+	 * in each descriptor (actually just clear everything
+	 * but the end-of-ring or chain bits) to make sure
+	 * we don't get messed up by previously sent packets.
+	 *
+	 * We may fail to put the entire packet on the ring if
+	 * there is either not enough ring entries free or if the
+	 * packet has more than MAX_TXSEG segments.  In the former
+	 * case we will just wait for the ring to empty.  In the
+	 * latter case we have to recopy.
+	 */
+	d_status = 0;
+	recopy = 0;
+	eop = nextout = ri->ri_nextout;
+	m0 = m;
+	segcnt = 0;
+	free = ri->ri_free;
+	do {
+	    int len = m0->m_len;
+	    caddr_t addr = mtod(m0, caddr_t);
+	    unsigned clsize = CLBYTES - (((u_long) addr) & (CLBYTES-1));
+
+	    next_m0 = m0->m_next;
+	    while (len > 0) {
+		unsigned slen = min(len, clsize);
+#ifdef BIG_PACKET
+		int partial = 0;
+		if (slen >= 2048)
+		    slen = 2040, partial = 1;
+#endif
+		segcnt++;
+		if (segcnt > TULIP_MAX_TXSEG) {
+		    recopy = 1;
+		    next_m0 = NULL; /* to break out of outside loop */
+		    break;
+		}
+		if (segcnt & 1) {
+		    if (--free == 0) {
+			/*
+			 * There's no more room but since nothing
+			 * has been committed at this point, just
+			 * show output is active, put back the
+			 * mbuf and return.
+			 */
+			ifp->if_flags |= IFF_OACTIVE;
+			IF_PREPEND(ifq, m);
+			return;
+		    }
+		    eop = nextout;
+		    if (++nextout == ri->ri_last)
+			nextout = ri->ri_first;
+		    eop->d_flag &= TULIP_DFLAG_ENDRING|TULIP_DFLAG_CHAIN;
+		    eop->d_status = d_status;
+		    eop->d_addr1 = TULIP_KVATOPHYS(sc, addr);
+		    eop->d_length1 = slen;
+		} else {
+		    /*
+		     *  Fill in second half of descriptor
+		     */
+		    eop->d_addr2 = TULIP_KVATOPHYS(sc, addr);
+		    eop->d_length2 = slen;
+		}
+		d_status = TULIP_DSTS_OWNER;
+		len -= slen;
+		addr += slen;
+#ifdef BIG_PACKET
+		if (partial)
+		    continue;
+#endif
+		clsize = CLBYTES;
+	    }
+	} while ((m0 = next_m0) != NULL);
+
+	/*
+	 * The packet exceeds the number of transmit buffer
+	 * entries that we can use for one packet, so we have
+	 * recopy it into one mbuf and then try again.
+	 */
+	if (recopy) {
+	    MGETHDR(m0, M_DONTWAIT, MT_DATA);
+	    if (m0 != NULL) {
+		if (m->m_pkthdr.len > MHLEN) {
+		    MCLGET(m0, M_DONTWAIT);
+		    if ((m0->m_flags & M_EXT) == 0) {
+			m_freem(m);
+			m_freem(m0);
+			continue;
+		    }
+		}
+		m_copydata(m, 0, m->m_pkthdr.len, mtod(m0, caddr_t));
+		m0->m_pkthdr.len = m0->m_len = m->m_pkthdr.len;
+		IF_PREPEND(ifq, m0);
+	    }
+	    m_freem(m);
+	    continue;
+	}
+
+	/*
+	 * The descriptors have been filled in.  Now get ready
+	 * to transmit.
+	 */
+#if NBPFILTER > 0
+	if (sc->tulip_bpf != NULL)
+	    TULIP_BPF_MTAP(sc, m);
+#endif
+	IF_ENQUEUE(&sc->tulip_txq, m);
+
+	/*
+	 * Make sure the next descriptor after this packet is owned
+	 * by us since it may have been set up above if we ran out
+	 * of room in the ring.
+	 */
+	nextout->d_status = 0;
+
+	/*
+	 * If we only used the first segment of the last descriptor,
+	 * make sure the second segment will not be used.
+	 */
+	if (segcnt & 1) {
+	    eop->d_addr2 = 0;
+	    eop->d_length2 = 0;
+	}
+
+	/*
+	 * Mark the last and first segments, indicate we want a transmit
+	 * complete interrupt, give the descriptors to the TULIP, and tell
+	 * it to transmit!
+	 */
+	eop->d_flag |= TULIP_DFLAG_TxLASTSEG|TULIP_DFLAG_TxWANTINTR;
+
+	/*
+	 * Note that ri->ri_nextout is still the start of the packet
+	 * and until we set the OWNER bit, we can still back out of
+	 * everything we have done.
+	 */
+	ri->ri_nextout->d_flag |= TULIP_DFLAG_TxFIRSTSEG;
+	ri->ri_nextout->d_status = TULIP_DSTS_OWNER;
+
+	/*
+	 * This advances the ring for us.
+	 */
+	ri->ri_nextout = nextout;
+	ri->ri_free = free;
+
+	TULIP_CSR_WRITE(sc, csr_txpoll, 1);
+
+	if (sc->tulip_flags & TULIP_TXPROBE_ACTIVE) {
+	    ifp->if_flags |= IFF_OACTIVE;
+	    return;
+	}
+	if (sc->tulip_txtimer == 0)
+	    sc->tulip_txtimer = TULIP_TXTIMER;
+    }
+    if (m != NULL) {
+	ifp->if_flags |= IFF_OACTIVE;
+	IF_PREPEND(ifq, m);
+    }
+}
+
+/*
+ * Even though this routine runs at device spl, it does not break
+ * our use of splnet (splsoftnet under NetBSD) for the majority
+ * of this driver (if TULIP_USE_SOFTINTR defined) since 
+ * if_watcbog is called from if_watchdog which is called from
+ * splsoftclock which is below spl[soft]net.
+ */
+static void
+tulip_ifwatchdog(
+    struct ifnet *ifp)
+{
+    tulip_softc_t * const sc = TULIP_IFP_TO_SOFTC(ifp);
+
+#if defined(TULIP_DEBUG)
+    u_int32_t rxintrs = sc->tulip_dbg.dbg_rxintrs - sc->tulip_dbg.dbg_last_rxintrs;
+    if (rxintrs > sc->tulip_dbg.dbg_high_rxintrs_hz)
+	sc->tulip_dbg.dbg_high_rxintrs_hz = rxintrs;
+    sc->tulip_dbg.dbg_last_rxintrs = sc->tulip_dbg.dbg_rxintrs;
+#endif /* TULIP_DEBUG */
+
+    sc->tulip_if.if_timer = 1;
+    /*
+     * These should be rare so do a bulk test up front so we can just skip
+     * them if needed.
+     */
+    if (sc->tulip_flags & (TULIP_SYSTEMERROR|TULIP_RXBUFSLOW|TULIP_NOMESSAGES)) {
+	/*
+	 * If the number of receive buffer is low, try to refill
+	 */
+	if (sc->tulip_flags & TULIP_RXBUFSLOW)
+	    tulip_rx_intr(sc);
+
+	if (sc->tulip_flags & TULIP_SYSTEMERROR) {
+	    printf(TULIP_PRINTF_FMT ": %d system errors: last was %s\n",
+		   TULIP_PRINTF_ARGS, sc->tulip_system_errors,
+		   tulip_system_errors[sc->tulip_last_system_error]);
+	}
+	if (sc->tulip_statusbits) {
+	    tulip_print_abnormal_interrupt(sc, sc->tulip_statusbits);
+	    sc->tulip_statusbits = 0;
+	}
+
+	sc->tulip_flags &= ~(TULIP_NOMESSAGES|TULIP_SYSTEMERROR);
+    }
+
+    if (sc->tulip_txtimer && --sc->tulip_txtimer == 0) {
+	printf(TULIP_PRINTF_FMT ": transmission timeout\n", TULIP_PRINTF_ARGS);
+	if (TULIP_DO_AUTOSENSE(sc)) {
+	    sc->tulip_media = TULIP_MEDIA_UNKNOWN;
+	    sc->tulip_probe_state = TULIP_PROBE_INACTIVE;
+	    sc->tulip_flags &= ~(TULIP_WANTRXACT|TULIP_LINKUP);
+	}
+	tulip_reset(sc);
+	tulip_init(sc);
+    }
+}
+#if defined(__bsdi__) || (defined(__FreeBSD__) && BSD < 199506)
+static ifnet_ret_t
+tulip_ifwatchdog_wrapper(
+    int unit)
+{
+    tulip_ifwatchdog(&TULIP_UNIT_TO_SOFTC(unit)->tulip_if);
+}
+#define	tulip_ifwatchdog	tulip_ifwatchdog_wrapper
+#endif
+
+/*
+ * All printf's are real as of now!
+ */
+#ifdef printf
+#undef printf
+#endif
+#if !defined(IFF_NOTRAILERS)
+#define IFF_NOTRAILERS		0
+#endif
+
+static void
+tulip_attach(
+    tulip_softc_t * const sc)
+{
+    struct ifnet * const ifp = &sc->tulip_if;
+
+    ifp->if_flags = IFF_BROADCAST|IFF_SIMPLEX|IFF_NOTRAILERS|IFF_MULTICAST;
+    ifp->if_ioctl = tulip_ifioctl;
+    ifp->if_start = tulip_ifstart;
+    ifp->if_watchdog = tulip_ifwatchdog;
+    ifp->if_timer = 1;
+#if !defined(__bsdi__) || _BSDI_VERSION < 199401
+    ifp->if_output = ether_output;
+#endif
+#if defined(__bsdi__) && _BSDI_VERSION < 199401
+    ifp->if_mtu = ETHERMTU;
+#endif
+  
+#if defined(__bsdi__) && _BSDI_VERSION >= 199510
+    aprint_naive(": DEC Ethernet");
+    aprint_normal(": %s%s", sc->tulip_boardid,
+        tulip_chipdescs[sc->tulip_chipid]);
+    aprint_verbose(" pass %d.%d", (sc->tulip_revinfo & 0xF0) >> 4,
+        sc->tulip_revinfo & 0x0F);
+    printf("\n");
+    sc->tulip_pf = aprint_normal;
+    aprint_normal(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n",
+		  TULIP_PRINTF_ARGS,
+		  TULIP_EADDR_ARGS(sc->tulip_enaddr));
+#else
+    printf(
+#if defined(__bsdi__)
+	   "\n"
+#endif
+	   TULIP_PRINTF_FMT ": %s%s pass %d.%d\n",
+	   TULIP_PRINTF_ARGS,
+	   sc->tulip_boardid,
+	   tulip_chipdescs[sc->tulip_chipid],
+	   (sc->tulip_revinfo & 0xF0) >> 4,
+	   sc->tulip_revinfo & 0x0F);
+    printf(TULIP_PRINTF_FMT ": address " TULIP_EADDR_FMT "\n",
+	   TULIP_PRINTF_ARGS,
+	   TULIP_EADDR_ARGS(sc->tulip_enaddr));
+#endif
+
+#if defined(__alpha__)
+    /*
+     * In case the SRM console told us about a bogus media,
+     * we need to check to be safe.
+     */
+    if (sc->tulip_mediums[sc->tulip_media] == NULL)
+	sc->tulip_media = TULIP_MEDIA_UNKNOWN;
+#endif
+
+    (*sc->tulip_boardsw->bd_media_probe)(sc);
+#if defined(IFM_ETHER)
+    ifmedia_init(&sc->tulip_ifmedia, 0,
+		 tulip_ifmedia_change,
+		 tulip_ifmedia_status);
+#else
+    {
+	tulip_media_t media;
+	int cnt;
+	printf(TULIP_PRINTF_FMT ": media:", TULIP_PRINTF_ARGS);
+	for (media = TULIP_MEDIA_UNKNOWN, cnt = 1; cnt < 7 && media < TULIP_MEDIA_MAX; media++) {
+	    if (sc->tulip_mediums[media] != NULL) {
+		printf(" %d=\"%s\"", cnt, tulip_mediums[media]);
+		cnt++;
+	    }
+	}
+	if (cnt == 1) {
+	    sc->tulip_features |= TULIP_HAVE_NOMEDIA;
+	    printf(" none\n");
+	} else {
+	    printf("\n");
+	}
+    }
+#endif
+    sc->tulip_flags &= ~TULIP_DEVICEPROBE;
+#if defined(IFM_ETHER)
+    tulip_ifmedia_add(sc);
+#endif
+
+    tulip_reset(sc);
+
+#if defined(__bsdi__) && _BSDI_VERSION >= 199510
+    sc->tulip_pf = printf;
+    TULIP_ETHER_IFATTACH(sc);
+#else
+    if_attach(ifp);
+#if defined(__NetBSD__) || (defined(__FreeBSD__) && BSD >= 199506)
+    TULIP_ETHER_IFATTACH(sc);
+#endif
+#endif /* __bsdi__ */
+
+#if NBPFILTER > 0
+    TULIP_BPF_ATTACH(sc);
+#endif
+}
+
+static void
+tulip_initcsrs(
+    tulip_softc_t * const sc,
+    tulip_csrptr_t csr_base,
+    size_t csr_size)
+{
+    sc->tulip_csrs.csr_busmode		= csr_base +  0 * csr_size;
+    sc->tulip_csrs.csr_txpoll		= csr_base +  1 * csr_size;
+    sc->tulip_csrs.csr_rxpoll		= csr_base +  2 * csr_size;
+    sc->tulip_csrs.csr_rxlist		= csr_base +  3 * csr_size;
+    sc->tulip_csrs.csr_txlist		= csr_base +  4 * csr_size;
+    sc->tulip_csrs.csr_status		= csr_base +  5 * csr_size;
+    sc->tulip_csrs.csr_command		= csr_base +  6 * csr_size;
+    sc->tulip_csrs.csr_intr		= csr_base +  7 * csr_size;
+    sc->tulip_csrs.csr_missed_frames	= csr_base +  8 * csr_size;
+    sc->tulip_csrs.csr_9		= csr_base +  9 * csr_size;
+    sc->tulip_csrs.csr_10		= csr_base + 10 * csr_size;
+    sc->tulip_csrs.csr_11		= csr_base + 11 * csr_size;
+    sc->tulip_csrs.csr_12		= csr_base + 12 * csr_size;
+    sc->tulip_csrs.csr_13		= csr_base + 13 * csr_size;
+    sc->tulip_csrs.csr_14		= csr_base + 14 * csr_size;
+    sc->tulip_csrs.csr_15		= csr_base + 15 * csr_size;
+#if defined(TULIP_EISA)
+    sc->tulip_csrs.csr_enetrom		= csr_base + DE425_ENETROM_OFFSET;
+#endif
+}
+
+static void
+tulip_initring(
+    tulip_softc_t * const sc,
+    tulip_ringinfo_t * const ri,
+    tulip_desc_t *descs,
+    int ndescs)
+{
+    ri->ri_max = ndescs;
+    ri->ri_first = descs;
+    ri->ri_last = ri->ri_first + ri->ri_max;
+    bzero((caddr_t) ri->ri_first, sizeof(ri->ri_first[0]) * ri->ri_max);
+    ri->ri_last[-1].d_flag = TULIP_DFLAG_ENDRING;
+}
+
+/*
+ * This is the PCI configuration support.  Since the 21040 is available
+ * on both EISA and PCI boards, one must be careful in how defines the
+ * 21040 in the config file.
+ */
+
+#define	PCI_CFID	0x00	/* Configuration ID */
+#define	PCI_CFCS	0x04	/* Configurtion Command/Status */
+#define	PCI_CFRV	0x08	/* Configuration Revision */
+#define	PCI_CFLT	0x0c	/* Configuration Latency Timer */
+#define	PCI_CBIO	0x10	/* Configuration Base IO Address */
+#define	PCI_CBMA	0x14	/* Configuration Base Memory Address */
+#define	PCI_CFIT	0x3c	/* Configuration Interrupt */
+#define	PCI_CFDA	0x40	/* Configuration Driver Area */
+
+#if defined(TULIP_EISA)
+static const int tulip_eisa_irqs[4] = { IRQ5, IRQ9, IRQ10, IRQ11 };
+#endif
+
+#if defined(__FreeBSD__)
+
+#define	TULIP_PCI_ATTACH_ARGS	pcici_t config_id, int unit
+#define	TULIP_SHUTDOWN_ARGS	int howto, void * arg
+
+#if defined(TULIP_DEVCONF)
+static void tulip_shutdown(TULIP_SHUTDOWN_ARGS);
+
+static int
+tulip_pci_shutdown(
+    struct kern_devconf * const kdc,
+    int force)
+{
+    if (kdc->kdc_unit < TULIP_MAX_DEVICES) {
+	tulip_softc_t * const sc = TULIP_UNIT_TO_SOFTC(kdc->kdc_unit);
+	if (sc != NULL)
+	    tulip_shutdown(0, sc);
+    }
+    (void) dev_detach(kdc);
+    return 0;
+}
+#endif
+
+static char*
+tulip_pci_probe(
+    pcici_t config_id,
+    pcidi_t device_id)
+{
+    if (PCI_VENDORID(device_id) != DEC_VENDORID)
+	return NULL;
+    if (PCI_CHIPID(device_id) == CHIPID_21040)
+	return "Digital 21040 Ethernet";
+    if (PCI_CHIPID(device_id) == CHIPID_21041)
+	return "Digital 21041 Ethernet";
+    if (PCI_CHIPID(device_id) == CHIPID_21140) {
+	u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF;
+	if (revinfo >= 0x20)
+	    return "Digital 21140A Fast Ethernet";
+	else
+	    return "Digital 21140 Fast Ethernet";
+    }
+    if (PCI_CHIPID(device_id) == CHIPID_21142) {
+	u_int32_t revinfo = pci_conf_read(config_id, PCI_CFRV) & 0xFF;
+	if (revinfo >= 0x20)
+	    return "Digital 21143 Fast Ethernet";
+	else
+	    return "Digital 21142 Fast Ethernet";
+    }
+    return NULL;
+}
+
+static void  tulip_pci_attach(TULIP_PCI_ATTACH_ARGS);
+static u_long tulip_pci_count;
+
+struct pci_device dedevice = {
+    "de",
+    tulip_pci_probe,
+    tulip_pci_attach,
+   &tulip_pci_count,
+#if defined(TULIP_DEVCONF)
+    tulip_pci_shutdown,
+#endif
+};
+
+DATA_SET (pcidevice_set, dedevice);
+#endif /* __FreeBSD__ */
+
+#if defined(__bsdi__)
+#define	TULIP_PCI_ATTACH_ARGS	struct device * const parent, struct device * const self, void * const aux
+#define	TULIP_SHUTDOWN_ARGS	void *arg
+
+static int
+tulip_pci_match(
+    pci_devaddr_t *pa)
+{
+    int irq;
+    unsigned id;
+
+    id = pci_inl(pa, PCI_VENDOR_ID);
+    if (PCI_VENDORID(id) != DEC_VENDORID)
+	return 0;
+    id = PCI_CHIPID(id);
+    if (id != CHIPID_21040 && id != CHIPID_21041
+	    && id != CHIPID_21140 && id != CHIPID_21142)
+	return 0;
+    irq = pci_inl(pa, PCI_I_LINE) & 0xFF;
+    if (irq == 0 || irq >= 16) {
+	printf("de?: invalid IRQ %d; skipping\n", irq);
+	return 0;
+    }
+    return 1;
+}
+
+static int
+tulip_probe(
+    struct device *parent,
+    struct cfdata *cf,
+    void *aux)
+{
+    struct isa_attach_args * const ia = (struct isa_attach_args *) aux;
+    unsigned irq, slot;
+    pci_devaddr_t *pa;
+
+#if _BSDI_VERSION >= 199401
+    switch (ia->ia_bustype) {
+    case BUS_PCI:
+#endif
+	pa = pci_scan(tulip_pci_match);
+	if (pa == NULL)
+	    return 0;
+
+	irq = (1 << (pci_inl(pa, PCI_I_LINE) & 0xFF));
+
+	/* Get the base address; assume the BIOS set it up correctly */
+#if defined(TULIP_IOMAPPED)
+	ia->ia_maddr = NULL;
+	ia->ia_msize = 0;
+	ia->ia_iobase = pci_inl(pa, PCI_CBIO) & ~7;
+	pci_outl(pa, PCI_CBIO, 0xFFFFFFFF);
+	ia->ia_iosize = ((~pci_inl(pa, PCI_CBIO)) | 7) + 1;
+	pci_outl(pa, PCI_CBIO, (int) ia->ia_iobase);
+
+	/* Disable memory space access */
+	pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~2);
+#else
+	ia->ia_maddr = (caddr_t) (pci_inl(pa, PCI_CBMA) & ~7);
+	pci_outl(pa, PCI_CBMA, 0xFFFFFFFF);
+	ia->ia_msize = ((~pci_inl(pa, PCI_CBMA)) | 7) + 1;
+	pci_outl(pa, PCI_CBMA, (int) ia->ia_maddr);
+	ia->ia_iobase = 0;
+	ia->ia_iosize = 0;
+
+	/* Disable I/O space access */
+	pci_outl(pa, PCI_COMMAND, pci_inl(pa, PCI_COMMAND) & ~1);
+#endif /* TULIP_IOMAPPED */
+
+	ia->ia_aux = (void *) pa;
+#if _BSDI_VERSION >= 199401
+	break;
+
+#if defined(TULIP_EISA)
+    case BUS_EISA: {
+	unsigned tmp;
+
+	if ((slot = eisa_match(cf, ia)) == 0)
+	    return 0;
+	ia->ia_iobase = slot << 12;
+	ia->ia_iosize = EISA_NPORT;
+	eisa_slotalloc(slot);
+	tmp = inb(ia->ia_iobase + DE425_CFG0);
+	irq = tulip_eisa_irqs[(tmp >> 1) & 0x03];
+	/*
+	 * Until BSD/OS likes level interrupts, force
+	 * the DE425 into edge-triggered mode.
+	 */
+	if ((tmp & 1) == 0)
+	    outb(ia->ia_iobase + DE425_CFG0, tmp | 1);
+	/*
+	 * CBIO needs to map to the EISA slot
+	 * enable I/O access and Master
+	 */
+	outl(ia->ia_iobase + DE425_CBIO, ia->ia_iobase);
+	outl(ia->ia_iobase + DE425_CFCS, 5 | inl(ia->ia_iobase + DE425_CFCS));
+	ia->ia_aux = NULL;
+	break;
+    }
+#endif /* TULIP_EISA */
+    default:
+	return 0;
+    }
+#endif
+
+    /* PCI bus masters don't use host DMA channels */
+    ia->ia_drq = DRQNONE;
+
+    if (ia->ia_irq != IRQUNK && irq != ia->ia_irq) {
+	printf("de%d: error: desired IRQ of %d does not match device's "
+	    "actual IRQ of %d,\n",
+	       cf->cf_unit,
+	       ffs(ia->ia_irq) - 1, ffs(irq) - 1);
+	return 0;
+    }
+    if (ia->ia_irq == IRQUNK)
+	ia->ia_irq = irq;
+#ifdef IRQSHARE
+    ia->ia_irq |= IRQSHARE;
+#endif
+    return 1;
+}
+
+static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS);
+
+#if defined(TULIP_EISA)
+static char *tulip_eisa_ids[] = {
+    "DEC4250",
+    NULL
+};
+#endif
+
+struct cfdriver decd = {
+    0, "de", tulip_probe, tulip_pci_attach,
+#if _BSDI_VERSION >= 199401
+    DV_IFNET,
+#endif
+    sizeof(tulip_softc_t),
+#if defined(TULIP_EISA)
+    tulip_eisa_ids
+#endif
+};
+
+#endif /* __bsdi__ */
+
+#if defined(__NetBSD__)
+#define	TULIP_PCI_ATTACH_ARGS	struct device * const parent, struct device * const self, void * const aux
+#define	TULIP_SHUTDOWN_ARGS	void *arg
+static int
+tulip_pci_probe(
+    struct device *parent,
+#ifdef __BROKEN_INDIRECT_CONFIG
+    void *match,
+#else
+    struct cfdata *match,
+#endif
+    void *aux)
+{
+    struct pci_attach_args *pa = (struct pci_attach_args *) aux;
+
+    if (PCI_VENDORID(pa->pa_id) != DEC_VENDORID)
+	return 0;
+    if (PCI_CHIPID(pa->pa_id) == CHIPID_21040
+	    || PCI_CHIPID(pa->pa_id) == CHIPID_21041
+	    || PCI_CHIPID(pa->pa_id) == CHIPID_21140
+	    || PCI_CHIPID(pa->pa_id) == CHIPID_21142)
+	return 1;
+
+    return 0;
+}
+
+static void tulip_pci_attach(TULIP_PCI_ATTACH_ARGS);
+
+struct cfattach de_ca = {
+    sizeof(tulip_softc_t), tulip_pci_probe, tulip_pci_attach
+};
+
+struct cfdriver de_cd = {
+    0, "de", DV_IFNET
+};
+
+#endif /* __NetBSD__ */
+
+static void
+tulip_shutdown(
+    TULIP_SHUTDOWN_ARGS)
+{
+    tulip_softc_t * const sc = arg;
+    TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
+    DELAY(10);	/* Wait 10 microseconds (actually 50 PCI cycles but at 
+		   33MHz that comes to two microseconds but wait a
+		   bit longer anyways) */
+}
+
+static void
+tulip_pci_attach(
+    TULIP_PCI_ATTACH_ARGS)
+{
+#if defined(__FreeBSD__)
+    tulip_softc_t *sc;
+#define	PCI_CONF_WRITE(r, v)	pci_conf_write(config_id, (r), (v))
+#define	PCI_CONF_READ(r)	pci_conf_read(config_id, (r))
+#define	PCI_GETBUSDEVINFO(sc)	((void)((sc)->tulip_pci_busno = ((config_id.cfg1 >> 16) & 0xFF), /* XXX */ \
+					(sc)->tulip_pci_devno = ((config_id.cfg1 >> 11) & 0x1F))) /* XXX */
+#endif
+#if defined(__bsdi__)
+    tulip_softc_t * const sc = (tulip_softc_t *) self;
+    struct isa_attach_args * const ia = (struct isa_attach_args *) aux;
+    pci_devaddr_t *pa = (pci_devaddr_t *) ia->ia_aux;
+    const int unit = sc->tulip_dev.dv_unit;
+#define	PCI_CONF_WRITE(r, v)	pci_outl(pa, (r), (v))
+#define	PCI_CONF_READ(r)	pci_inl(pa, (r))
+#define	PCI_GETBUSDEVINFO(sc)	((void)((sc)->tulip_pci_busno = pa->d_bus, \
+					(sc)->tulip_pci_devno = pa->d_agent))
+#endif
+#if defined(__NetBSD__)
+    tulip_softc_t * const sc = (tulip_softc_t *) self;
+    struct pci_attach_args * const pa = (struct pci_attach_args *) aux;
+    const int unit = sc->tulip_dev.dv_unit;
+#define	PCI_CONF_WRITE(r, v)	pci_conf_write(pa->pa_pc, pa->pa_tag, (r), (v))
+#define	PCI_CONF_READ(r)	pci_conf_read(pa->pa_pc, pa->pa_tag, (r))
+#define	PCI_GETBUSDEVINFO(sc)	do { \
+	int busno, devno, funcno; \
+	pci_decompose_tag(pa->pa_pc, pa->pa_tag, &busno, &devno, &funcno); \
+	(sc)->tulip_pci_busno = busno; \
+	(sc)->tulip_pci_devno = devno; \
+    } while (0)
+#endif /* __NetBSD__ */
+    int retval, idx;
+    u_int32_t revinfo, cfdainfo, id;
+#if !defined(TULIP_IOMAPPED) && defined(__FreeBSD__)
+    vm_offset_t pa_csrs;
+#endif
+    unsigned csroffset = TULIP_PCI_CSROFFSET;
+    unsigned csrsize = TULIP_PCI_CSRSIZE;
+    tulip_csrptr_t csr_base;
+    tulip_chipid_t chipid = TULIP_CHIPID_UNKNOWN;
+
+    if (unit >= TULIP_MAX_DEVICES) {
+#ifdef __FreeBSD__
+	printf("de%d", unit);
+#endif
+	printf(": not configured; limit of %d reached or exceeded\n",
+	       TULIP_MAX_DEVICES);
+	return;
+    }
+
+#if defined(__bsdi__)
+    if (pa != NULL) {
+	revinfo = pci_inl(pa, PCI_CFRV) & 0xFF;
+	id = pci_inl(pa, PCI_CFID);
+	cfdainfo = pci_inl(pa, PCI_CFDA);
+#if defined(TULIP_EISA)
+    } else {
+	revinfo = inl(ia->ia_iobase + DE425_CFRV) & 0xFF;
+	csroffset = TULIP_EISA_CSROFFSET;
+	csrsize = TULIP_EISA_CSRSIZE;
+	chipid = TULIP_DE425;
+	cfdainfo = 0;
+#endif /* TULIP_EISA */
+    }
+#else /* __bsdi__ */
+    revinfo  = PCI_CONF_READ(PCI_CFRV) & 0xFF;
+    id       = PCI_CONF_READ(PCI_CFID);
+    cfdainfo = PCI_CONF_READ(PCI_CFDA);
+#endif /* __bsdi__ */
+
+    if (PCI_VENDORID(id) == DEC_VENDORID) {
+	if (PCI_CHIPID(id) == CHIPID_21040) chipid = TULIP_21040;
+	else if (PCI_CHIPID(id) == CHIPID_21140) {
+	    chipid = (revinfo >= 0x20) ? TULIP_21140A : TULIP_21140;
+	} else if (PCI_CHIPID(id) == CHIPID_21142) {
+	    chipid = (revinfo >= 0x20) ? TULIP_21143 : TULIP_21142;
+	}
+	else if (PCI_CHIPID(id) == CHIPID_21041) chipid = TULIP_21041;
+	else if (PCI_CHIPID(id) == CHIPID_21142) chipid = TULIP_21142;
+    }
+    if (chipid == TULIP_CHIPID_UNKNOWN)
+	return;
+
+    if ((chipid == TULIP_21040 || chipid == TULIP_DE425) && revinfo < 0x20) {
+#ifdef __FreeBSD__
+	printf("de%d", unit);
+#endif
+	printf(": not configured; 21040 pass 2.0 required (%d.%d found)\n",
+	       revinfo >> 4, revinfo & 0x0f);
+	return;
+    } else if (chipid == TULIP_21140 && revinfo < 0x11) {
+#ifndef __FreeBSD__
+	printf("\n");
+#endif
+	printf("de%d: not configured; 21140 pass 1.1 required (%d.%d found)\n",
+	       unit, revinfo >> 4, revinfo & 0x0f);
+	return;
+    }
+
+#if defined(__FreeBSD__)
+    sc = (tulip_softc_t *) malloc(sizeof(*sc), M_DEVBUF, M_NOWAIT);
+    if (sc == NULL)
+	return;
+    bzero(sc, sizeof(*sc));				/* Zero out the softc*/
+#endif
+
+    PCI_GETBUSDEVINFO(sc);
+    sc->tulip_chipid = chipid;
+    sc->tulip_flags |= TULIP_DEVICEPROBE;
+    if (chipid == TULIP_21140 || chipid == TULIP_21140A)
+	sc->tulip_features |= TULIP_HAVE_GPR;
+    if (chipid == TULIP_21140A && revinfo <= 0x22)
+	sc->tulip_features |= TULIP_HAVE_RXBADOVRFLW;
+    if (chipid == TULIP_21140)
+	sc->tulip_features |= TULIP_HAVE_BROKEN_HASH;
+    if (chipid != TULIP_21040 && chipid != TULIP_DE425 && chipid != TULIP_21140)
+	sc->tulip_features |= TULIP_HAVE_POWERMGMT;
+    if (chipid == TULIP_21041 || chipid == TULIP_21142 || chipid == TULIP_21143) {
+	sc->tulip_features |= TULIP_HAVE_DUALSENSE;
+	if (chipid != TULIP_21041 || sc->tulip_revinfo >= 0x20)
+	    sc->tulip_features |= TULIP_HAVE_SIANWAY;
+	if (chipid != TULIP_21041)
+	    sc->tulip_features |= TULIP_HAVE_SIAGP|TULIP_HAVE_RXBADOVRFLW;
+    }
+
+    if (sc->tulip_features & TULIP_HAVE_POWERMGMT
+	    && (cfdainfo & (TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE))) {
+	cfdainfo &= ~(TULIP_CFDA_SLEEP|TULIP_CFDA_SNOOZE);
+	PCI_CONF_WRITE(PCI_CFDA, cfdainfo);
+	DELAY(11*1000);
+    }
+#if defined(__alpha__)
+    /*
+     * The Alpha SRM console encodes a console set media in the driver
+     * part of the CFDA register.  Note that the Multia presents a
+     * problem in that its BNC mode is really EXTSIA.  So in that case
+     * force a probe.
+     */
+    switch ((cfdainfo >> 8) & 0xff) {
+    case 1: sc->tulip_media = chipid > TULIP_DE425 ? TULIP_MEDIA_AUI : TULIP_MEDIA_AUIBNC;
+    case 2: sc->tulip_media = chipid > TULIP_DE425 ? TULIP_MEDIA_BNC : TULIP_MEDIA_UNKNOWN;
+    case 3: sc->tulip_media = TULIP_MEDIA_10BASET;
+    case 4: sc->tulip_media = TULIP_MEDIA_10BASET_FD;
+    case 5: sc->tulip_media = TULIP_MEDIA_100BASETX;
+    case 6: sc->tulip_media = TULIP_MEDIA_100BASETX_FD;
+    }
+#endif
+
+#if defined(__NetBSD__)
+    bcopy(self->dv_xname, sc->tulip_if.if_xname, IFNAMSIZ);
+    sc->tulip_if.if_softc = sc;
+    sc->tulip_pc = pa->pa_pc;
+#else
+    sc->tulip_unit = unit;
+    sc->tulip_name = "de";
+#endif
+    sc->tulip_revinfo = revinfo;
+#if defined(__FreeBSD__)
+#if BSD >= 199506
+    sc->tulip_if.if_softc = sc;
+#endif
+#if defined(TULIP_IOMAPPED)
+    retval = pci_map_port(config_id, PCI_CBIO, &csr_base);
+#else
+    retval = pci_map_mem(config_id, PCI_CBMA, (vm_offset_t *) &csr_base, &pa_csrs);
+#endif
+    if (!retval) {
+	free((caddr_t) sc, M_DEVBUF);
+	return;
+    }
+    tulips[unit] = sc;
+#endif /* __FreeBSD__ */
+
+#if defined(__bsdi__)
+    sc->tulip_pf = printf;
+#if defined(TULIP_IOMAPPED)
+    csr_base = ia->ia_iobase;
+#else
+    csr_base = (vm_offset_t) mapphys((vm_offset_t) ia->ia_maddr, ia->ia_msize);
+#endif
+#endif /* __bsdi__ */
+
+#if defined(__NetBSD__)
+    csr_base = 0;
+    if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_IO, 0,
+		       &sc->tulip_bustag, &sc->tulip_bushandle, NULL, NULL)
+	&& pci_mapreg_map(pa, PCI_CBMA,
+			  PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
+			  &sc->tulip_bustag, &sc->tulip_bushandle,
+			  NULL, NULL) == 0) {
+        printf(": unable to map device registers\n");
+        return;
+    }
+#endif /* __NetBSD__ */
+
+    tulip_initcsrs(sc, csr_base + csroffset, csrsize);
+    tulip_initring(sc, &sc->tulip_rxinfo, sc->tulip_rxdescs, TULIP_RXDESCS);
+    tulip_initring(sc, &sc->tulip_txinfo, sc->tulip_txdescs, TULIP_TXDESCS);
+
+    /*
+     * Make sure there won't be any interrupts or such...
+     */
+    TULIP_CSR_WRITE(sc, csr_busmode, TULIP_BUSMODE_SWRESET);
+    DELAY(100);	/* Wait 10 microseconds (actually 50 PCI cycles but at 
+		   33MHz that comes to two microseconds but wait a
+		   bit longer anyways) */
+
+    if ((retval = tulip_read_macaddr(sc)) < 0) {
+#if defined(__FreeBSD__)
+	printf(TULIP_PRINTF_FMT, TULIP_PRINTF_ARGS);
+#endif
+	printf(": can't read ENET ROM (why=%d) (", retval);
+	for (idx = 0; idx < 32; idx++)
+	    printf("%02x", sc->tulip_rombuf[idx]);
+	printf("\n");
+	printf(TULIP_PRINTF_FMT ": %s%s pass %d.%d\n",
+	       TULIP_PRINTF_ARGS,
+	       sc->tulip_boardid, tulip_chipdescs[sc->tulip_chipid],
+	       (sc->tulip_revinfo & 0xF0) >> 4, sc->tulip_revinfo & 0x0F);
+	printf(TULIP_PRINTF_FMT ": address unknown\n", TULIP_PRINTF_ARGS);
+    } else {
+	tulip_spl_t s;
+	tulip_intrfunc_t (*intr_rtn)(void *) = tulip_intr_normal;
+
+	if (sc->tulip_features & TULIP_HAVE_SHAREDINTR)
+	    intr_rtn = tulip_intr_shared;
+
+#if defined(__NetBSD__)
+	if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) {
+	    pci_intr_handle_t intrhandle;
+	    const char *intrstr;
+
+	    if (pci_intr_map(pa->pa_pc, pa->pa_intrtag, pa->pa_intrpin,
+			     pa->pa_intrline, &intrhandle)) {
+		printf(": couldn't map interrupt\n");
+		return;
+	    }
+	    intrstr = pci_intr_string(pa->pa_pc, intrhandle);
+	    sc->tulip_ih = pci_intr_establish(pa->pa_pc, intrhandle, IPL_NET,
+					      intr_rtn, sc);
+	    if (sc->tulip_ih == NULL)
+		printf(": couldn't establish interrupt");
+	    if (intrstr != NULL)
+		printf(" at %s", intrstr);
+	    printf("\n");
+	    if (sc->tulip_ih == NULL)
+		return;
+	}
+	sc->tulip_ats = shutdownhook_establish(tulip_shutdown, sc);
+	if (sc->tulip_ats == NULL)
+	    printf("\n%s: warning: couldn't establish shutdown hook\n",
+		   sc->tulip_xname);
+#endif
+#if defined(__FreeBSD__)
+	if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) {
+	    if (!pci_map_int (config_id, intr_rtn, (void*) sc, &net_imask)) {
+		printf(TULIP_PRINTF_FMT ": couldn't map interrupt\n",
+		       TULIP_PRINTF_ARGS);
+		return;
+	    }
+	}
+#if !defined(TULIP_DEVCONF)
+	at_shutdown(tulip_shutdown, sc, SHUTDOWN_POST_SYNC);
+#endif
+#endif
+#if defined(__bsdi__)
+	if ((sc->tulip_features & TULIP_HAVE_SLAVEDINTR) == 0) {
+	    isa_establish(&sc->tulip_id, &sc->tulip_dev);
+
+	    sc->tulip_ih.ih_fun = intr_rtn;
+	    sc->tulip_ih.ih_arg = (void *) sc;
+	    intr_establish(ia->ia_irq, &sc->tulip_ih, DV_NET);
+	}
+
+	sc->tulip_ats.func = tulip_shutdown;
+	sc->tulip_ats.arg = (void *) sc;
+	atshutdown(&sc->tulip_ats, ATSH_ADD);
+#endif
+#if defined(TULIP_USE_SOFTINTR)
+	if (sc->tulip_unit > tulip_softintr_max_unit)
+	    tulip_softintr_max_unit = sc->tulip_unit;
+#endif
+
+	s = TULIP_RAISESPL();
+	tulip_reset(sc);
+	tulip_attach(sc);
+	TULIP_RESTORESPL(s);
+    }
+}
diff --git a/sys/pci/if_devar.h b/sys/pci/if_devar.h
new file mode 100644
index 000000000000..20e742483fa0
--- /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) */