484d1b6892
takes care of all the 10/100 and gigE PCI drivers that I've done. Next will be the wireless drivers, then the USB ones. I may pick up some stragglers along the way. I'm sort of playing this by ear: if anyone spots any places where I've screwed up horribly, please let me know.
516 lines
15 KiB
C
516 lines
15 KiB
C
/*
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* Copyright (c) 1997, 1998
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* Rhine register definitions.
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*/
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#define VR_PAR0 0x00 /* node address 0 to 4 */
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#define VR_PAR1 0x04 /* node address 2 to 6 */
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#define VR_RXCFG 0x06 /* receiver config register */
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#define VR_TXCFG 0x07 /* transmit config register */
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#define VR_COMMAND 0x08 /* command register */
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#define VR_ISR 0x0C /* interrupt/status register */
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#define VR_IMR 0x0E /* interrupt mask register */
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#define VR_MAR0 0x10 /* multicast hash 0 */
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#define VR_MAR1 0x14 /* multicast hash 1 */
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#define VR_RXADDR 0x18 /* rx descriptor list start addr */
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#define VR_TXADDR 0x1C /* tx descriptor list start addr */
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#define VR_CURRXDESC0 0x20
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#define VR_CURRXDESC1 0x24
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#define VR_CURRXDESC2 0x28
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#define VR_CURRXDESC3 0x2C
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#define VR_NEXTRXDESC0 0x30
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#define VR_NEXTRXDESC1 0x34
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#define VR_NEXTRXDESC2 0x38
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#define VR_NEXTRXDESC3 0x3C
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#define VR_CURTXDESC0 0x40
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#define VR_CURTXDESC1 0x44
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#define VR_CURTXDESC2 0x48
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#define VR_CURTXDESC3 0x4C
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#define VR_NEXTTXDESC0 0x50
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#define VR_NEXTTXDESC1 0x54
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#define VR_NEXTTXDESC2 0x58
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#define VR_NEXTTXDESC3 0x5C
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#define VR_CURRXDMA 0x60 /* current RX DMA address */
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#define VR_CURTXDMA 0x64 /* current TX DMA address */
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#define VR_TALLYCNT 0x68 /* tally counter test register */
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#define VR_PHYADDR 0x6C
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#define VR_MIISTAT 0x6D
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#define VR_BCR0 0x6E
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#define VR_BCR1 0x6F
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#define VR_MIICMD 0x70
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#define VR_MIIADDR 0x71
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#define VR_MIIDATA 0x72
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#define VR_EECSR 0x74
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#define VR_TEST 0x75
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#define VR_GPIO 0x76
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#define VR_CONFIG 0x78
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#define VR_MPA_CNT 0x7C
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#define VR_CRC_CNT 0x7E
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/*
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* RX config bits.
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*/
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#define VR_RXCFG_RX_ERRPKTS 0x01
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#define VR_RXCFG_RX_RUNT 0x02
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#define VR_RXCFG_RX_MULTI 0x04
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#define VR_RXCFG_RX_BROAD 0x08
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#define VR_RXCFG_RX_PROMISC 0x10
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#define VR_RXCFG_RX_THRESH 0xE0
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#define VR_RXTHRESH_32BYTES 0x00
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#define VR_RXTHRESH_64BYTES 0x20
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#define VR_RXTHRESH_128BYTES 0x40
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#define VR_RXTHRESH_256BYTES 0x60
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#define VR_RXTHRESH_512BYTES 0x80
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#define VR_RXTHRESH_768BYTES 0xA0
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#define VR_RXTHRESH_1024BYTES 0xC0
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#define VR_RXTHRESH_STORENFWD 0xE0
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/*
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* TX config bits.
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*/
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#define VR_TXCFG_RSVD0 0x01
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#define VR_TXCFG_LOOPBKMODE 0x06
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#define VR_TXCFG_BACKOFF 0x08
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#define VR_TXCFG_RSVD1 0x10
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#define VR_TXCFG_TX_THRESH 0xE0
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#define VR_TXTHRESH_32BYTES 0x00
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#define VR_TXTHRESH_64BYTES 0x20
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#define VR_TXTHRESH_128BYTES 0x40
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#define VR_TXTHRESH_256BYTES 0x60
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#define VR_TXTHRESH_512BYTES 0x80
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#define VR_TXTHRESH_768BYTES 0xA0
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#define VR_TXTHRESH_1024BYTES 0xC0
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#define VR_TXTHRESH_STORENFWD 0xE0
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/*
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* Command register bits.
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*/
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#define VR_CMD_INIT 0x0001
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#define VR_CMD_START 0x0002
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#define VR_CMD_STOP 0x0004
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#define VR_CMD_RX_ON 0x0008
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#define VR_CMD_TX_ON 0x0010
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#define VR_CMD_TX_GO 0x0020
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#define VR_CMD_RX_GO 0x0040
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#define VR_CMD_RSVD 0x0080
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#define VR_CMD_RX_EARLY 0x0100
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#define VR_CMD_TX_EARLY 0x0200
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#define VR_CMD_FULLDUPLEX 0x0400
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#define VR_CMD_TX_NOPOLL 0x0800
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#define VR_CMD_RESET 0x8000
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/*
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* Interrupt status bits.
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*/
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#define VR_ISR_RX_OK 0x0001 /* packet rx ok */
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#define VR_ISR_TX_OK 0x0002 /* packet tx ok */
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#define VR_ISR_RX_ERR 0x0004 /* packet rx with err */
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#define VR_ISR_TX_ABRT 0x0008 /* tx aborted due to excess colls */
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#define VR_ISR_TX_UNDERRUN 0x0010 /* tx buffer underflow */
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#define VR_ISR_RX_NOBUF 0x0020 /* no rx buffer available */
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#define VR_ISR_BUSERR 0x0040 /* PCI bus error */
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#define VR_ISR_STATSOFLOW 0x0080 /* stats counter oflow */
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#define VR_ISR_RX_EARLY 0x0100 /* rx early */
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#define VR_ISR_LINKSTAT 0x0200 /* MII status change */
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#define VR_ISR_RX_OFLOW 0x0400 /* rx FIFO overflow */
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#define VR_ISR_RX_DROPPED 0x0800
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#define VR_ISR_RX_NOBUF2 0x1000
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#define VR_ISR_TX_ABRT2 0x2000
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#define VR_ISR_LINKSTAT2 0x4000
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#define VR_ISR_MAGICPACKET 0x8000
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/*
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* Interrupt mask bits.
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*/
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#define VR_IMR_RX_OK 0x0001 /* packet rx ok */
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#define VR_IMR_TX_OK 0x0002 /* packet tx ok */
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#define VR_IMR_RX_ERR 0x0004 /* packet rx with err */
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#define VR_IMR_TX_ABRT 0x0008 /* tx aborted due to excess colls */
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#define VR_IMR_TX_UNDERRUN 0x0010 /* tx buffer underflow */
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#define VR_IMR_RX_NOBUF 0x0020 /* no rx buffer available */
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#define VR_IMR_BUSERR 0x0040 /* PCI bus error */
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#define VR_IMR_STATSOFLOW 0x0080 /* stats counter oflow */
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#define VR_IMR_RX_EARLY 0x0100 /* rx early */
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#define VR_IMR_LINKSTAT 0x0200 /* MII status change */
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#define VR_IMR_RX_OFLOW 0x0400 /* rx FIFO overflow */
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#define VR_IMR_RX_DROPPED 0x0800
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#define VR_IMR_RX_NOBUF2 0x1000
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#define VR_IMR_TX_ABRT2 0x2000
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#define VR_IMR_LINKSTAT2 0x4000
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#define VR_IMR_MAGICPACKET 0x8000
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#define VR_INTRS \
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(VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF| \
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VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR| \
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VR_IMR_RX_ERR|VR_ISR_RX_DROPPED)
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/*
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* MII status register.
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*/
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#define VR_MIISTAT_SPEED 0x01
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#define VR_MIISTAT_LINKFAULT 0x02
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#define VR_MIISTAT_MGTREADERR 0x04
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#define VR_MIISTAT_MIIERR 0x08
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#define VR_MIISTAT_PHYOPT 0x10
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#define VR_MIISTAT_MDC_SPEED 0x20
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#define VR_MIISTAT_RSVD 0x40
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#define VR_MIISTAT_GPIO1POLL 0x80
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/*
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* MII command register bits.
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*/
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#define VR_MIICMD_CLK 0x01
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#define VR_MIICMD_DATAOUT 0x02
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#define VR_MIICMD_DATAIN 0x04
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#define VR_MIICMD_DIR 0x08
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#define VR_MIICMD_DIRECTPGM 0x10
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#define VR_MIICMD_WRITE_ENB 0x20
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#define VR_MIICMD_READ_ENB 0x40
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#define VR_MIICMD_AUTOPOLL 0x80
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/*
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* EEPROM control bits.
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*/
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#define VR_EECSR_DATAIN 0x01 /* data out */
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#define VR_EECSR_DATAOUT 0x02 /* data in */
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#define VR_EECSR_CLK 0x04 /* clock */
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#define VR_EECSR_CS 0x08 /* chip select */
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#define VR_EECSR_DPM 0x10
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#define VR_EECSR_LOAD 0x20
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#define VR_EECSR_EMBP 0x40
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#define VR_EECSR_EEPR 0x80
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#define VR_EECMD_WRITE 0x140
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#define VR_EECMD_READ 0x180
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#define VR_EECMD_ERASE 0x1c0
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/*
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* Test register bits.
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*/
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#define VR_TEST_TEST0 0x01
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#define VR_TEST_TEST1 0x02
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#define VR_TEST_TEST2 0x04
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#define VR_TEST_TSTUD 0x08
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#define VR_TEST_TSTOV 0x10
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#define VR_TEST_BKOFF 0x20
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#define VR_TEST_FCOL 0x40
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#define VR_TEST_HBDES 0x80
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/*
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* Config register bits.
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*/
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#define VR_CFG_GPIO2OUTENB 0x00000001
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#define VR_CFG_GPIO2OUT 0x00000002 /* gen. purp. pin */
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#define VR_CFG_GPIO2IN 0x00000004 /* gen. purp. pin */
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#define VR_CFG_AUTOOPT 0x00000008 /* enable rx/tx autopoll */
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#define VR_CFG_MIIOPT 0x00000010
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#define VR_CFG_MMIENB 0x00000020 /* memory mapped mode enb */
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#define VR_CFG_JUMPER 0x00000040 /* PHY and oper. mode select */
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#define VR_CFG_EELOAD 0x00000080 /* enable EEPROM programming */
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#define VR_CFG_LATMENB 0x00000100 /* larency timer effect enb. */
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#define VR_CFG_MRREADWAIT 0x00000200
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#define VR_CFG_MRWRITEWAIT 0x00000400
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#define VR_CFG_RX_ARB 0x00000800
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#define VR_CFG_TX_ARB 0x00001000
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#define VR_CFG_READMULTI 0x00002000
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#define VR_CFG_TX_PACE 0x00004000
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#define VR_CFG_TX_QDIS 0x00008000
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#define VR_CFG_ROMSEL0 0x00010000
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#define VR_CFG_ROMSEL1 0x00020000
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#define VR_CFG_ROMSEL2 0x00040000
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#define VR_CFG_ROMTIMESEL 0x00080000
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#define VR_CFG_RSVD0 0x00100000
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#define VR_CFG_ROMDLY 0x00200000
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#define VR_CFG_ROMOPT 0x00400000
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#define VR_CFG_RSVD1 0x00800000
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#define VR_CFG_BACKOFFOPT 0x01000000
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#define VR_CFG_BACKOFFMOD 0x02000000
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#define VR_CFG_CAPEFFECT 0x04000000
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#define VR_CFG_BACKOFFRAND 0x08000000
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#define VR_CFG_MAGICKPACKET 0x10000000
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#define VR_CFG_PCIREADLINE 0x20000000
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#define VR_CFG_DIAG 0x40000000
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#define VR_CFG_GPIOEN 0x80000000
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/*
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* Rhine TX/RX list structure.
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*/
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struct vr_desc {
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u_int32_t vr_status;
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u_int32_t vr_ctl;
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u_int32_t vr_ptr1;
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u_int32_t vr_ptr2;
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};
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#define vr_data vr_ptr1
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#define vr_next vr_ptr2
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#define VR_RXSTAT_RXERR 0x00000001
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#define VR_RXSTAT_CRCERR 0x00000002
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#define VR_RXSTAT_FRAMEALIGNERR 0x00000004
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#define VR_RXSTAT_FIFOOFLOW 0x00000008
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#define VR_RXSTAT_GIANT 0x00000010
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#define VR_RXSTAT_RUNT 0x00000020
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#define VR_RXSTAT_BUSERR 0x00000040
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#define VR_RXSTAT_BUFFERR 0x00000080
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#define VR_RXSTAT_LASTFRAG 0x00000100
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#define VR_RXSTAT_FIRSTFRAG 0x00000200
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#define VR_RXSTAT_RLINK 0x00000400
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#define VR_RXSTAT_RX_PHYS 0x00000800
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#define VR_RXSTAT_RX_BROAD 0x00001000
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#define VR_RXSTAT_RX_MULTI 0x00002000
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#define VR_RXSTAT_RX_OK 0x00004000
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#define VR_RXSTAT_RXLEN 0x07FF0000
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#define VR_RXSTAT_RXLEN_EXT 0x78000000
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#define VR_RXSTAT_OWN 0x80000000
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#define VR_RXBYTES(x) ((x & VR_RXSTAT_RXLEN) >> 16)
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#define VR_RXSTAT (VR_RXSTAT_FIRSTFRAG|VR_RXSTAT_LASTFRAG|VR_RXSTAT_OWN)
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#define VR_RXCTL_BUFLEN 0x000007FF
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#define VR_RXCTL_BUFLEN_EXT 0x00007800
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#define VR_RXCTL_CHAIN 0x00008000
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#define VR_RXCTL_RX_INTR 0x00800000
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#define VR_RXCTL (VR_RXCTL_CHAIN|VR_RXCTL_RX_INTR)
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#define VR_TXSTAT_DEFER 0x00000001
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#define VR_TXSTAT_UNDERRUN 0x00000002
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#define VR_TXSTAT_COLLCNT 0x00000078
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#define VR_TXSTAT_SQE 0x00000080
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#define VR_TXSTAT_ABRT 0x00000100
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#define VR_TXSTAT_LATECOLL 0x00000200
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#define VR_TXSTAT_CARRLOST 0x00000400
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#define VR_TXSTAT_BUSERR 0x00002000
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#define VR_TXSTAT_JABTIMEO 0x00004000
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#define VR_TXSTAT_ERRSUM 0x00008000
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#define VR_TXSTAT_OWN 0x80000000
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#define VR_TXCTL_BUFLEN 0x000007FF
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#define VR_TXCTL_BUFLEN_EXT 0x00007800
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#define VR_TXCTL_TLINK 0x00008000
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#define VR_TXCTL_FIRSTFRAG 0x00200000
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#define VR_TXCTL_LASTFRAG 0x00400000
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#define VR_TXCTL_FINT 0x00800000
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#define VR_MAXFRAGS 16
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#define VR_RX_LIST_CNT 64
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#define VR_TX_LIST_CNT 128
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#define VR_MIN_FRAMELEN 60
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#define VR_FRAMELEN 1536
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#define VR_RXLEN 1520
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#define VR_TXOWN(x) x->vr_ptr->vr_status
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struct vr_list_data {
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struct vr_desc vr_rx_list[VR_RX_LIST_CNT];
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struct vr_desc vr_tx_list[VR_TX_LIST_CNT];
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};
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struct vr_chain {
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struct vr_desc *vr_ptr;
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struct mbuf *vr_mbuf;
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struct vr_chain *vr_nextdesc;
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};
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struct vr_chain_onefrag {
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struct vr_desc *vr_ptr;
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struct mbuf *vr_mbuf;
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struct vr_chain_onefrag *vr_nextdesc;
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};
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struct vr_chain_data {
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struct vr_chain_onefrag vr_rx_chain[VR_RX_LIST_CNT];
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struct vr_chain vr_tx_chain[VR_TX_LIST_CNT];
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struct vr_chain_onefrag *vr_rx_head;
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struct vr_chain *vr_tx_head;
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struct vr_chain *vr_tx_tail;
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struct vr_chain *vr_tx_free;
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};
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struct vr_type {
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u_int16_t vr_vid;
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u_int16_t vr_did;
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char *vr_name;
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};
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struct vr_mii_frame {
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u_int8_t mii_stdelim;
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u_int8_t mii_opcode;
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u_int8_t mii_phyaddr;
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u_int8_t mii_regaddr;
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u_int8_t mii_turnaround;
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u_int16_t mii_data;
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};
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/*
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* MII constants
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*/
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#define VR_MII_STARTDELIM 0x01
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#define VR_MII_READOP 0x02
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#define VR_MII_WRITEOP 0x01
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#define VR_MII_TURNAROUND 0x02
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#define VR_FLAG_FORCEDELAY 1
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#define VR_FLAG_SCHEDDELAY 2
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#define VR_FLAG_DELAYTIMEO 3
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struct vr_softc {
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struct arpcom arpcom; /* interface info */
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bus_space_handle_t vr_bhandle; /* bus space handle */
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bus_space_tag_t vr_btag; /* bus space tag */
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struct resource *vr_res;
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struct resource *vr_irq;
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void *vr_intrhand;
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device_t vr_miibus;
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struct vr_type *vr_info; /* Rhine adapter info */
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u_int8_t vr_unit; /* interface number */
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u_int8_t vr_type;
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struct vr_list_data *vr_ldata;
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struct vr_chain_data vr_cdata;
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struct callout_handle vr_stat_ch;
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struct mtx vr_mtx;
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};
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#define VR_LOCK(_sc) mtx_enter(&(_sc)->vr_mtx, MTX_DEF)
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#define VR_UNLOCK(_sc) mtx_exit(&(_sc)->vr_mtx, MTX_DEF)
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/*
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* register space access macros
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*/
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#define CSR_WRITE_4(sc, reg, val) \
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bus_space_write_4(sc->vr_btag, sc->vr_bhandle, reg, val)
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#define CSR_WRITE_2(sc, reg, val) \
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bus_space_write_2(sc->vr_btag, sc->vr_bhandle, reg, val)
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#define CSR_WRITE_1(sc, reg, val) \
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bus_space_write_1(sc->vr_btag, sc->vr_bhandle, reg, val)
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#define CSR_READ_4(sc, reg) \
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bus_space_read_4(sc->vr_btag, sc->vr_bhandle, reg)
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#define CSR_READ_2(sc, reg) \
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bus_space_read_2(sc->vr_btag, sc->vr_bhandle, reg)
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#define CSR_READ_1(sc, reg) \
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bus_space_read_1(sc->vr_btag, sc->vr_bhandle, reg)
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#define VR_TIMEOUT 1000
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#define ETHER_ALIGN 2
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|
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/*
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* General constants that are fun to know.
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|
*
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* VIA vendor ID
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|
*/
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#define VIA_VENDORID 0x1106
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|
|
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/*
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* VIA Rhine device IDs.
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|
*/
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|
#define VIA_DEVICEID_RHINE 0x3043
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#define VIA_DEVICEID_RHINE_II 0x6100
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#define VIA_DEVICEID_RHINE_II_2 0x3065
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|
|
|
/*
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|
* Delta Electronics device ID.
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|
*/
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|
#define DELTA_VENDORID 0x1500
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|
|
|
/*
|
|
* Delta device IDs.
|
|
*/
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|
#define DELTA_DEVICEID_RHINE_II 0x1320
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|
|
|
/*
|
|
* Addtron vendor ID.
|
|
*/
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|
#define ADDTRON_VENDORID 0x4033
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|
|
|
/*
|
|
* Addtron device IDs.
|
|
*/
|
|
#define ADDTRON_DEVICEID_RHINE_II 0x1320
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|
|
|
|
|
/*
|
|
* PCI low memory base and low I/O base register, and
|
|
* other PCI registers.
|
|
*/
|
|
|
|
#define VR_PCI_VENDOR_ID 0x00
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|
#define VR_PCI_DEVICE_ID 0x02
|
|
#define VR_PCI_COMMAND 0x04
|
|
#define VR_PCI_STATUS 0x06
|
|
#define VR_PCI_CLASSCODE 0x09
|
|
#define VR_PCI_LATENCY_TIMER 0x0D
|
|
#define VR_PCI_HEADER_TYPE 0x0E
|
|
#define VR_PCI_LOIO 0x10
|
|
#define VR_PCI_LOMEM 0x14
|
|
#define VR_PCI_BIOSROM 0x30
|
|
#define VR_PCI_INTLINE 0x3C
|
|
#define VR_PCI_INTPIN 0x3D
|
|
#define VR_PCI_MINGNT 0x3E
|
|
#define VR_PCI_MINLAT 0x0F
|
|
#define VR_PCI_RESETOPT 0x48
|
|
#define VR_PCI_EEPROM_DATA 0x4C
|
|
|
|
/* power management registers */
|
|
#define VR_PCI_CAPID 0xDC /* 8 bits */
|
|
#define VR_PCI_NEXTPTR 0xDD /* 8 bits */
|
|
#define VR_PCI_PWRMGMTCAP 0xDE /* 16 bits */
|
|
#define VR_PCI_PWRMGMTCTRL 0xE0 /* 16 bits */
|
|
|
|
#define VR_PSTATE_MASK 0x0003
|
|
#define VR_PSTATE_D0 0x0000
|
|
#define VR_PSTATE_D1 0x0002
|
|
#define VR_PSTATE_D2 0x0002
|
|
#define VR_PSTATE_D3 0x0003
|
|
#define VR_PME_EN 0x0010
|
|
#define VR_PME_STATUS 0x8000
|
|
|
|
|
|
#ifdef __alpha__
|
|
#undef vtophys
|
|
#define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va)
|
|
#endif
|