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freebsd-skq/sys/pci/dc21040.h
David Greenman 9b3fdc5a9f Fixed mbuf leak and panic that occurred when packets got too memory 
fragmented.
Added support for Cogent em100 boards.
Fixed bug that caused BPF to toggle the card to UTP.
Various other improvements.

Submitted by:	Matt Thomas and David Greenman
1995-05-05 20:09:51 +00:00

300 lines
14 KiB
C
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/*-
* Copyright (c) 1994, 1995 Matt Thomas (thomas@lkg.dec.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 1.3 1995/05/05 19:44:34 thomas Exp $
*
* $Log: dc21040.h,v $
* Revision 1.3 1995/05/05 19:44:34 thomas
* cogent em100 support
*
* Revision 1.1 1994/10/01 20:16:45 wollman
* Add Matt Thomas's DC21040 PCI Ethernet driver. (This is turning out
* to be quite a popular chip, so expect to see a number of products
* based on it.)
*
* Revision 1.2 1994/08/15 20:42:25 thomas
* misc additions
*
* Revision 1.1 1994/08/12 21:02:46 thomas
* Initial revision
*
* Revision 1.8 1994/08/05 20:20:54 thomas
* Enable change log
*
* Revision 1.7 1994/08/05 20:20:14 thomas
* *** empty log message ***
*
*/
#if !defined(_DC21040_H)
#define _DC21040_H
typedef signed int tulip_sint32_t;
typedef unsigned int tulip_uint32_t;
#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 {
tulip_uint32_t d_status;
tulip_uint32_t TULIP_BITFIELD3(d_length1 : 11,
d_length2 : 11,
d_flag : 10);
tulip_uint32_t d_addr1;
tulip_uint32_t d_addr2;
} tulip_desc_t;
#define TULIP_DSTS_OWNER 0x80000000 /* Owner (1 = DC21040) */
#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 DC21040 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_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 (DC21040) */
#define TULIP_STS_FULDPLXSHRT 0x00000800L /* (RW) Full Duplex Short Fram Rcvd (DC21040) */
#define TULIP_STS_GPTIMEOUT 0x00000800L /* (RW) General Purpose Timeout (DC21140) */
#define TULIP_STS_AUI 0x00000400L /* (RW) AUI/TP Switch (DC21040) */
#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_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 (DC21140) */
#define TULIP_CMD_SCRAMBLER 0x01000000L /* (RW) Scrambler Mode (DC21140) */
#define TULIP_CMD_PCSFUNCTION 0x00800000L /* (RW) PCS Function (DC21140) */
#define TULIP_CMD_TXTHRSHLDCTL 0x00400000L /* (RW) Transmit Threshold Mode (DC21140) */
#define TULIP_CMD_STOREFWD 0x00200000L /* (RW) Store and Foward (DC21140) */
#define TULIP_CMD_NOHEARTBEAT 0x00080000L /* (RW) No Heartbeat (DC21140) */
#define TULIP_CMD_PORTSELECT 0x00040000L /* (RW) Post Select (100Mb) (DC21140) */
#define TULIP_CMD_CAPTREFFCT 0x00020000L /* (RW) Capture Effect (!802.3) */
#define TULIP_CMD_BACKPRESSURE 0x00010000L /* (RW) Back Pressure (!802.3) (DC21040) */
#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_FULLDULPEX 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_LINKFAIL 0x00000004L
#define TULIP_SIACONN_RESET 0x00000000L
#define TULIP_SIACONN_AUI 0x0000000DL
#define TULIP_SIACONN_10BASET 0x00000005L
#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_200us 0x00020000L
#define TULIP_BUSMODE_TXPOLL_800us 0x00040000L
#define TULIP_BUSMODE_TXPOLL_1600us 0x00060000L
/*
* These are the defintitions used for the DEC DC21140
* evaluation board.
*/
#define TULIP_GP_EB_PINS 0x0000011F /* 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 */
/*
* There are the definitions used for the DEC DE500-XA
* 10/100 board
*/
#define TULIP_GP_DE500_PINS 0x0000010FL
#define TULIP_GP_DE500_NOTOK_10 0x00000080L
#define TULIP_GP_DE500_NOTOK_100 0x00000040L
#define TULIP_GP_DE500_HALFDUPLEX 0x00000008L
#define TULIP_GP_DE500_FORCE_100 0x00000001L
/*
* These are the defintitions used for the Cogent EM100
* DC21140 board.
*/
#define TULIP_GP_EM100_PINS 0x0000013F /* 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 0x94
#define TULIP_COGENT_EM100_ID 0x12
/*
* SROM definitions for the DC21140 and DC21041.
*/
#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
#endif /* !defined(_DC21040_H) */
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