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/*-
* Copyright (c) 2001 Wind River Systems
* Copyright (c) 1997, 1998, 1999, 2000, 2001
* Bill Paul <wpaul@bsdi.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. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
* 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.
*
* $FreeBSD: release/9.1.0/sys/dev/nge/if_ngereg.h 227277 2011-11-06 21:09:10Z marius $
*/
#define NGE_CSR 0x00
#define NGE_CFG 0x04
#define NGE_MEAR 0x08
#define NGE_PCITST 0x0C
#define NGE_ISR 0x10
#define NGE_IMR 0x14
#define NGE_IER 0x18
#define NGE_IHR 0x1C
#define NGE_TX_LISTPTR_LO 0x20
#define NGE_TX_LISTPTR_HI 0x24
#define NGE_TX_LISTPTR NGE_TX_LISTPTR_LO
#define NGE_TX_CFG 0x28
#define NGE_GPIO 0x2C
#define NGE_RX_LISTPTR_LO 0x30
#define NGE_RX_LISTPTR_HI 0x34
#define NGE_RX_LISTPTR NGE_RX_LISTPTR_LO
#define NGE_RX_CFG 0x38
#define NGE_PRIOQCTL 0x3C
#define NGE_WOLCSR 0x40
#define NGE_PAUSECSR 0x44
#define NGE_RXFILT_CTL 0x48
#define NGE_RXFILT_DATA 0x4C
#define NGE_BOOTROM_ADDR 0x50
#define NGE_BOOTROM_DATA 0x54
#define NGE_SILICONREV 0x58
#define NGE_MIBCTL 0x5C
#define NGE_MIB_RXERRPKT 0x60
#define NGE_MIB_RXERRFCS 0x64
#define NGE_MIB_RXERRMISSEDPKT 0x68
#define NGE_MIB_RXERRALIGN 0x6C
#define NGE_MIB_RXERRSYM 0x70
#define NGE_MIB_RXERRGIANT 0x74
#define NGE_MIB_RXERRRANGLEN 0x78
#define NGE_MIB_RXBADOPCODE 0x7C
#define NGE_MIB_RXPAUSEPKTS 0x80
#define NGE_MIB_TXPAUSEPKTS 0x84
#define NGE_MIB_TXERRSQE 0x88
#define NGE_TXPRIOQ_PTR1 0xA0
#define NGE_TXPRIOQ_PTR2 0xA4
#define NGE_TXPRIOQ_PTR3 0xA8
#define NGE_RXPRIOQ_PTR1 0xB0
#define NGE_RXPRIOQ_PTR2 0xB4
#define NGE_RXPRIOQ_PTR3 0xB8
#define NGE_VLAN_IP_RXCTL 0xBC
#define NGE_VLAN_IP_TXCTL 0xC0
#define NGE_VLAN_DATA 0xC4
#define NGE_CLKRUN 0xCC
#define NGE_TBI_BMCR 0xE0
#define NGE_TBI_BMSR 0xE4
#define NGE_TBI_ANAR 0xE8
#define NGE_TBI_ANLPAR 0xEC
#define NGE_TBI_ANER 0xF0
#define NGE_TBI_ESR 0xF4
/* Control/status register */
#define NGE_CSR_TX_ENABLE 0x00000001
#define NGE_CSR_TX_DISABLE 0x00000002
#define NGE_CSR_RX_ENABLE 0x00000004
#define NGE_CSR_RX_DISABLE 0x00000008
#define NGE_CSR_TX_RESET 0x00000010
#define NGE_CSR_RX_RESET 0x00000020
#define NGE_CSR_SOFTINTR 0x00000080
#define NGE_CSR_RESET 0x00000100
#define NGE_CSR_TX_PRIOQ_ENB0 0x00000200
#define NGE_CSR_TX_PRIOQ_ENB1 0x00000400
#define NGE_CSR_TX_PRIOQ_ENB2 0x00000800
#define NGE_CSR_TX_PRIOQ_ENB3 0x00001000
#define NGE_CSR_RX_PRIOQ_ENB0 0x00002000
#define NGE_CSR_RX_PRIOQ_ENB1 0x00004000
#define NGE_CSR_RX_PRIOQ_ENB2 0x00008000
#define NGE_CSR_RX_PRIOQ_ENB3 0x00010000
/* Configuration register */
#define NGE_CFG_BIGENDIAN 0x00000001
#define NGE_CFG_EXT_125MHZ 0x00000002
#define NGE_CFG_BOOTROM_DIS 0x00000004
#define NGE_CFG_PERR_DETECT 0x00000008
#define NGE_CFG_DEFER_DISABLE 0x00000010
#define NGE_CFG_OUTOFWIN_TIMER 0x00000020
#define NGE_CFG_SINGLE_BACKOFF 0x00000040
#define NGE_CFG_PCIREQ_ALG 0x00000080
#define NGE_CFG_EXTSTS_ENB 0x00000100
#define NGE_CFG_PHY_DIS 0x00000200
#define NGE_CFG_PHY_RST 0x00000400
#define NGE_CFG_64BIT_ADDR_ENB 0x00000800
#define NGE_CFG_64BIT_DATA_ENB 0x00001000
#define NGE_CFG_64BIT_PCI_DET 0x00002000
#define NGE_CFG_64BIT_TARG 0x00004000
#define NGE_CFG_MWI_DIS 0x00008000
#define NGE_CFG_MRM_DIS 0x00010000
#define NGE_CFG_TMRTST 0x00020000
#define NGE_CFG_PHYINTR_SPD 0x00040000
#define NGE_CFG_PHYINTR_LNK 0x00080000
#define NGE_CFG_PHYINTR_DUP 0x00100000
#define NGE_CFG_MODE_1000 0x00400000
#define NGE_CFG_TBI_EN 0x01000000
#define NGE_CFG_DUPLEX_STS 0x10000000
#define NGE_CFG_SPEED_STS 0x60000000
#define NGE_CFG_LINK_STS 0x80000000
/* MII/EEPROM control register */
#define NGE_MEAR_EE_DIN 0x00000001
#define NGE_MEAR_EE_DOUT 0x00000002
#define NGE_MEAR_EE_CLK 0x00000004
#define NGE_MEAR_EE_CSEL 0x00000008
#define NGE_MEAR_MII_DATA 0x00000010
#define NGE_MEAR_MII_DIR 0x00000020
#define NGE_MEAR_MII_CLK 0x00000040
#define NGE_EECMD_WRITE 0x140
#define NGE_EECMD_READ 0x180
#define NGE_EECMD_ERASE 0x1c0
#define NGE_EE_NODEADDR 0xA
/* PCI control register */
#define NGE_PCICTL_SRAMADDR 0x0000001F
#define NGE_PCICTL_RAMTSTENB 0x00000020
#define NGE_PCICTL_TXTSTENB 0x00000040
#define NGE_PCICTL_RXTSTENB 0x00000080
#define NGE_PCICTL_BMTSTENB 0x00000200
#define NGE_PCICTL_RAMADDR 0x001F0000
#define NGE_PCICTL_ROMTIME 0x0F000000
#define NGE_PCICTL_DISCTEST 0x40000000
/* Interrupt/status register */
#define NGE_ISR_RX_OK 0x00000001
#define NGE_ISR_RX_DESC_OK 0x00000002
#define NGE_ISR_RX_ERR 0x00000004
#define NGE_ISR_RX_EARLY 0x00000008
#define NGE_ISR_RX_IDLE 0x00000010
#define NGE_ISR_RX_OFLOW 0x00000020
#define NGE_ISR_TX_OK 0x00000040
#define NGE_ISR_TX_DESC_OK 0x00000080
#define NGE_ISR_TX_ERR 0x00000100
#define NGE_ISR_TX_IDLE 0x00000200
#define NGE_ISR_TX_UFLOW 0x00000400
#define NGE_ISR_MIB_SERVICE 0x00000800
#define NGE_ISR_SOFTINTR 0x00001000
#define NGE_ISR_PME_EVENT 0x00002000
#define NGE_ISR_PHY_INTR 0x00004000
#define NGE_ISR_HIBITS 0x00008000
#define NGE_ISR_RX_FIFO_OFLOW 0x00010000
#define NGE_ISR_TGT_ABRT 0x00020000
#define NGE_ISR_BM_ABRT 0x00040000
#define NGE_ISR_SYSERR 0x00080000
#define NGE_ISR_PARITY_ERR 0x00100000
#define NGE_ISR_RX_RESET_DONE 0x00200000
#define NGE_ISR_TX_RESET_DONE 0x00400000
#define NGE_ISR_RX_PRIOQ_DESC0 0x00800000
#define NGE_ISR_RX_PRIOQ_DESC1 0x01000000
#define NGE_ISR_RX_PRIOQ_DESC2 0x02000000
#define NGE_ISR_RX_PRIOQ_DESC3 0x04000000
#define NGE_ISR_TX_PRIOQ_DESC0 0x08000000
#define NGE_ISR_TX_PRIOQ_DESC1 0x10000000
#define NGE_ISR_TX_PRIOQ_DESC2 0x20000000
#define NGE_ISR_TX_PRIOQ_DESC3 0x40000000
/* Interrupt mask register */
#define NGE_IMR_RX_OK 0x00000001
#define NGE_IMR_RX_DESC_OK 0x00000002
#define NGE_IMR_RX_ERR 0x00000004
#define NGE_IMR_RX_EARLY 0x00000008
#define NGE_IMR_RX_IDLE 0x00000010
#define NGE_IMR_RX_OFLOW 0x00000020
#define NGE_IMR_TX_OK 0x00000040
#define NGE_IMR_TX_DESC_OK 0x00000080
#define NGE_IMR_TX_ERR 0x00000100
#define NGE_IMR_TX_IDLE 0x00000200
#define NGE_IMR_TX_UFLOW 0x00000400
#define NGE_IMR_MIB_SERVICE 0x00000800
#define NGE_IMR_SOFTINTR 0x00001000
#define NGE_IMR_PME_EVENT 0x00002000
#define NGE_IMR_PHY_INTR 0x00004000
#define NGE_IMR_HIBITS 0x00008000
#define NGE_IMR_RX_FIFO_OFLOW 0x00010000
#define NGE_IMR_TGT_ABRT 0x00020000
#define NGE_IMR_BM_ABRT 0x00040000
#define NGE_IMR_SYSERR 0x00080000
#define NGE_IMR_PARITY_ERR 0x00100000
#define NGE_IMR_RX_RESET_DONE 0x00200000
#define NGE_IMR_TX_RESET_DONE 0x00400000
#define NGE_IMR_RX_PRIOQ_DESC0 0x00800000
#define NGE_IMR_RX_PRIOQ_DESC1 0x01000000
#define NGE_IMR_RX_PRIOQ_DESC2 0x02000000
#define NGE_IMR_RX_PRIOQ_DESC3 0x04000000
#define NGE_IMR_TX_PRIOQ_DESC0 0x08000000
#define NGE_IMR_TX_PRIOQ_DESC1 0x10000000
#define NGE_IMR_TX_PRIOQ_DESC2 0x20000000
#define NGE_IMR_TX_PRIOQ_DESC3 0x40000000
#define NGE_INTRS \
(NGE_IMR_RX_OFLOW|NGE_IMR_TX_UFLOW|NGE_IMR_TX_OK|\
NGE_IMR_TX_IDLE|NGE_IMR_RX_OK|NGE_IMR_RX_ERR|\
NGE_IMR_SYSERR|NGE_IMR_PHY_INTR|\
NGE_IMR_RX_IDLE|NGE_IMR_RX_FIFO_OFLOW)
/* Interrupt enable register */
#define NGE_IER_INTRENB 0x00000001
/* Interrupt moderation timer register */
#define NGE_IHR_HOLDOFF 0x000000FF
#define NGE_IHR_HOLDCTL 0x00000100
/* Transmit configuration register */
#define NGE_TXCFG_DRAIN_THRESH 0x000000FF /* 32-byte units */
#define NGE_TXCFG_FILL_THRESH 0x0000FF00 /* 32-byte units */
#define NGE_1000MB_BURST_DIS 0x00080000
#define NGE_TXCFG_DMABURST 0x00700000
#define NGE_TXCFG_ECRETRY 0x00800000
#define NGE_TXCFG_AUTOPAD 0x10000000
#define NGE_TXCFG_LOOPBK 0x20000000
#define NGE_TXCFG_IGN_HBEAT 0x40000000
#define NGE_TXCFG_IGN_CARR 0x80000000
#define NGE_TXCFG_DRAIN(x) (((x) >> 5) & NGE_TXCFG_DRAIN_THRESH)
#define NGE_TXCFG_FILL(x) ((((x) >> 5) << 8) & NGE_TXCFG_FILL_THRESH)
#define NGE_TXDMA_1024BYTES 0x00000000
#define NGE_TXDMA_8BYTES 0x00100000
#define NGE_TXDMA_16BYTES 0x00200000
#define NGE_TXDMA_32BYTES 0x00300000
#define NGE_TXDMA_64BYTES 0x00400000
#define NGE_TXDMA_128BYTES 0x00500000
#define NGE_TXDMA_256BYTES 0x00600000
#define NGE_TXDMA_512BYTES 0x00700000
#define NGE_TXCFG \
(NGE_TXDMA_512BYTES|NGE_TXCFG_AUTOPAD|\
NGE_TXCFG_FILL(64)|NGE_TXCFG_DRAIN(6400))
/* GPIO register */
#define NGE_GPIO_GP1_OUT 0x00000001
#define NGE_GPIO_GP2_OUT 0x00000002
#define NGE_GPIO_GP3_OUT 0x00000004
#define NGE_GPIO_GP4_OUT 0x00000008
#define NGE_GPIO_GP5_OUT 0x00000010
#define NGE_GPIO_GP1_OUTENB 0x00000020
#define NGE_GPIO_GP2_OUTENB 0x00000040
#define NGE_GPIO_GP3_OUTENB 0x00000080
#define NGE_GPIO_GP4_OUTENB 0x00000100
#define NGE_GPIO_GP5_OUTENB 0x00000200
#define NGE_GPIO_GP1_IN 0x00000400
#define NGE_GPIO_GP2_IN 0x00000800
#define NGE_GPIO_GP3_IN 0x00001000
#define NGE_GPIO_GP4_IN 0x00002000
#define NGE_GPIO_GP5_IN 0x00004000
/* Receive configuration register */
#define NGE_RXCFG_DRAIN_THRESH 0x0000003E /* 8-byte units */
#define NGE_RXCFG_DMABURST 0x00700000
#define NGE_RXCFG_RX_RANGEERR 0x04000000 /* accept in-range err frames */
#define NGE_RXCFG_RX_GIANTS 0x08000000 /* accept packets > 1518 bytes */
#define NGE_RXCFG_RX_FDX 0x10000000 /* full duplex receive */
#define NGE_RXCFG_RX_NOCRC 0x20000000 /* strip CRC */
#define NGE_RXCFG_RX_RUNT 0x40000000 /* accept short frames */
#define NGE_RXCFG_RX_BADPKTS 0x80000000 /* accept error frames */
#define NGE_RXCFG_DRAIN(x) ((((x) >> 3) << 1) & NGE_RXCFG_DRAIN_THRESH)
#define NGE_RXDMA_1024BYTES 0x00000000
#define NGE_RXDMA_8BYTES 0x00100000
#define NGE_RXDMA_16BYTES 0x00200000
#define NGE_RXDMA_32YTES 0x00300000
#define NGE_RXDMA_64BYTES 0x00400000
#define NGE_RXDMA_128BYTES 0x00500000
#define NGE_RXDMA_256BYTES 0x00600000
#define NGE_RXDMA_512BYTES 0x00700000
/*
* DP83820/DP83821 with H/W VLAN stripping does not accept short VLAN
* tagged packets such as ARP, short icmp echo request, etc. It seems
* that MAC checks frame length for VLAN tagged packets after stripping
* the VLAN tag. For short VLAN tagged packets it would would be 56
* (64 - CRC - VLAN info) bytes in length after stripping VLAN tag.
* If the VLAN tag stripped frames are less than 60 bytes in length
* the hardware think it received runt packets!
* Therefore we should accept runt frames to get VLAN tagged ARP
* packets. In addition, it is known that some revisions of
* DP83820/DP83821 have another bug that prevent fragmented IP packets
* from accepting. So we also should accept errored frames.
*/
#define NGE_RXCFG \
(NGE_RXCFG_DRAIN(64) | NGE_RXDMA_256BYTES| \
NGE_RXCFG_RX_RANGEERR | NGE_RXCFG_RX_BADPKTS | NGE_RXCFG_RX_RUNT | \
NGE_RXCFG_RX_GIANTS | NGE_RXCFG_RX_NOCRC)
/* Priority queue control */
#define NGE_PRIOQCTL_TXPRIO_ENB 0x00000001
#define NGE_PRIOQCTL_TXFAIR_ENB 0x00000002
#define NGE_PRIOQCTL_RXPRIO 0x0000000C
#define NGE_RXPRIOQ_DISABLED 0x00000000
#define NGE_RXPRIOQ_TWOQS 0x00000004
#define NGE_RXPRIOQ_THREEQS 0x00000008
#define NGE_RXPRIOQ_FOURQS 0x0000000C
/* Wake On LAN command/status register */
#define NGE_WOLCSR_WAKE_ON_PHYINTR 0x00000001
#define NGE_WOLCSR_WAKE_ON_UNICAST 0x00000002
#define NGE_WOLCSR_WAKE_ON_MULTICAST 0x00000004
#define NGE_WOLCSR_WAKE_ON_BROADCAST 0x00000008
#define NGE_WOLCSR_WAKE_ON_ARP 0x00000010
#define NGE_WOLCSR_WAKE_ON_PAT0_MATCH 0x00000020
#define NGE_WOLCSR_WAKE_ON_PAT1_MATCH 0x00000040
#define NGE_WOLCSR_WAKE_ON_PAT2_MATCH 0x00000080
#define NGE_WOLCSR_WAKE_ON_PAT3_MATCH 0x00000100
#define NGE_WOLCSR_WAKE_ON_MAGICPKT 0x00000200
#define NGE_WOLCSR_SECUREON_ENB 0x00000400
#define NGE_WOLCSR_SECUREON_HACK 0x00200000
#define NGE_WOLCSR_PHYINTR 0x00400000
#define NGE_WOLCSR_UNICAST 0x00800000
#define NGE_WOLCSR_MULTICAST 0x01000000
#define NGE_WOLCSR_BROADCAST 0x02000000
#define NGE_WOLCSR_ARP_RCVD 0x04000000
#define NGE_WOLCSR_PAT0_MATCH 0x08000000
#define NGE_WOLCSR_PAT1_MATCH 0x10000000
#define NGE_WOLCSR_PAT2_MATCH 0x20000000
#define NGE_WOLCSR_PAT3_MATCH 0x40000000
#define NGE_WOLCSR_MAGICPKT 0x80000000
/* Pause control/status register */
#define NGE_PAUSECSR_CNT 0x0000FFFF
#define NGE_PAUSECSR_PFRAME_SENT 0x00020000
#define NGE_PAUSECSR_RX_DATAFIFO_THR_LO 0x000C0000
#define NGE_PAUSECSR_RX_DATAFIFO_THR_HI 0x00300000
#define NGE_PAUSECSR_RX_STATFIFO_THR_LO 0x00C00000
#define NGE_PAUSECSR_RX_STATFIFO_THR_HI 0x03000000
#define NGE_PAUSECSR_PFRAME_RCVD 0x08000000
#define NGE_PAUSECSR_PAUSE_ACTIVE 0x10000000
#define NGE_PAUSECSR_PAUSE_ON_DA 0x20000000 /* pause on direct addr */
#define NGE_PAUSECSR_PAUSE_ON_MCAST 0x40000000 /* pause on mcast */
#define NGE_PAUSECSR_PAUSE_ENB 0x80000000
/* Receive filter/match control message */
#define MGE_RXFILTCTL_ADDR 0x000003FF
#define NGE_RXFILTCTL_ULMASK 0x00080000
#define NGE_RXFILTCTL_UCHASH 0x00100000
#define NGE_RXFILTCTL_MCHASH 0x00200000
#define NGE_RXFILTCTL_ARP 0x00400000
#define NGE_RXFILTCTL_PMATCH0 0x00800000
#define NGE_RXFILTCTL_PMATCH1 0x01000000
#define NGE_RXFILTCTL_PMATCH2 0x02000000
#define NGE_RXFILTCTL_PMATCH3 0x04000000
#define NGE_RXFILTCTL_PERFECT 0x08000000
#define NGE_RXFILTCTL_ALLPHYS 0x10000000
#define NGE_RXFILTCTL_ALLMULTI 0x20000000
#define NGE_RXFILTCTL_BROAD 0x40000000
#define NGE_RXFILTCTL_ENABLE 0x80000000
#define NGE_FILTADDR_PAR0 0x00000000
#define NGE_FILTADDR_PAR1 0x00000002
#define NGE_FILTADDR_PAR2 0x00000004
#define NGE_FILTADDR_PMATCH0 0x00000006
#define NGE_FILTADDR_PMATCH1 0x00000008
#define NGE_FILTADDR_SOPASS0 0x0000000A
#define NGE_FILTADDR_SOPASS1 0x0000000C
#define NGE_FILTADDR_SOPASS2 0x0000000E
#define NGE_FILTADDR_FMEM_LO 0x00000100
#define NGE_FILTADDR_FMEM_HI 0x000003FE
#define NGE_FILTADDR_MCAST_LO 0x00000100 /* start of multicast filter */
#define NGE_FILTADDR_MCAST_HI 0x000001FE /* end of multicast filter */
#define NGE_MCAST_FILTER_LEN 256 /* bytes */
#define NGE_FILTADDR_PBUF0 0x00000200 /* pattern buffer 0 */
#define NGE_FILTADDR_PBUF1 0x00000280 /* pattern buffer 1 */
#define NGE_FILTADDR_PBUF2 0x00000300 /* pattern buffer 2 */
#define NGE_FILTADDR_PBUF3 0x00000380 /* pattern buffer 3 */
/* MIB control register */
#define NGE_MIBCTL_WARNTEST 0x00000001
#define NGE_MIBCTL_FREEZE_CNT 0x00000002
#define NGE_MIBCTL_CLEAR_CNT 0x00000004
#define NGE_MIBCTL_STROBE_CNT 0x00000008
/* VLAN/IP RX control register */
#define NGE_VIPRXCTL_TAG_DETECT_ENB 0x00000001
#define NGE_VIPRXCTL_TAG_STRIP_ENB 0x00000002
#define NGE_VIPRXCTL_DROP_TAGGEDPKTS 0x00000004
#define NGE_VIPRXCTL_DROP_UNTAGGEDPKTS 0x00000008
#define NGE_VIPRXCTL_IPCSUM_ENB 0x00000010
#define NGE_VIPRXCTL_REJECT_BADIPCSUM 0x00000020
#define NGE_VIPRXCTL_REJECT_BADTCPCSUM 0x00000040
#define NGE_VIPRXCTL_REJECT_BADUDPCSUM 0x00000080
/* VLAN/IP TX control register */
#define NGE_VIPTXCTL_TAG_ALL 0x00000001
#define NGE_VIPTXCTL_TAG_PER_PKT 0x00000002
#define NGE_VIPTXCTL_CSUM_ALL 0x00000004
#define NGE_VIPTXCTL_CSUM_PER_PKT 0x00000008
/* VLAN data register */
#define NGE_VLANDATA_VTYPE 0x0000FFFF
#define NGE_VLANDATA_VTCI 0xFFFF0000
/* Clockrun register */
#define NGE_CLKRUN_PMESTS 0x00008000
#define NGE_CLKRUN_PMEENB 0x00000100
#define NGE_CLNRUN_CLKRUN_ENB 0x00000001
/* TBI BMCR */
#define NGE_TBIBMCR_RESTART_ANEG 0x00000200
#define NGE_TBIBMCR_ENABLE_ANEG 0x00001000
#define NGE_TBIBMCR_LOOPBACK 0x00004000
/* TBI BMSR */
#define NGE_TBIBMSR_ANEG_DONE 0x00000004
#define NGE_TBIBMSR_LINKSTAT 0x00000020
/* TBI ANAR */
#define NGE_TBIANAR_HDX 0x00000020
#define NGE_TBIANAR_FDX 0x00000040
#define NGE_TBIANAR_PS1 0x00000080
#define NGE_TBIANAR_PS2 0x00000100
#define NGE_TBIANAR_PCAP 0x00000180
#define NGE_TBIANAR_REMFAULT 0x00003000
#define NGE_TBIANAR_NEXTPAGE 0x00008000
/* TBI ANLPAR */
#define NGE_TBIANLPAR_HDX 0x00000020
#define NGE_TBIANLPAR_FDX 0x00000040
#define NGE_TBIANAR_PS1 0x00000080
#define NGE_TBIANAR_PS2 0x00000100
#define NGE_TBIANLPAR_PCAP 0x00000180
#define NGE_TBIANLPAR_REMFAULT 0x00003000
#define NGE_TBIANLPAR_NEXTPAGE 0x00008000
/* TBI ANER */
#define NGE_TBIANER_PAGERCVD 0x00000002
#define NGE_TBIANER_NEXTPGABLE 0x00000004
/* TBI EXTSTS */
#define NGE_TBIEXTSTS_HXD 0x00004000
#define NGE_TBIEXTSTS_FXD 0x00008000
/*
* DMA descriptor structures. The RX and TX descriptor formats are
* deliberately designed to be similar to facilitate passing them between
* RX and TX queues on multiple controllers, in the case where you have
* multiple MACs in a switching configuration. With the 83820, the pointer
* values can be either 64 bits or 32 bits depending on how the chip is
* configured. For the 83821, the fields are always 32-bits. There is
* also an optional extended status field for VLAN and TCP/IP checksum
* functions. We use the checksum feature so we enable the use of this
* field. Descriptors must be 64-bit aligned.
*/
struct nge_desc_64 {
/* Hardware descriptor section */
uint32_t nge_next_lo;
uint32_t nge_next_hi;
uint32_t nge_ptr_lo;
uint32_t nge_ptr_hi;
uint32_t nge_cmdsts;
uint32_t nge_extsts;
};
struct nge_desc_32 {
/* Hardware descriptor section */
uint32_t nge_next;
uint32_t nge_ptr;
uint32_t nge_cmdsts;
uint32_t nge_extsts;
};
#define nge_desc nge_desc_32
#define NGE_CMDSTS_BUFLEN 0x0000FFFF
#define NGE_CMDSTS_PKT_OK 0x08000000
#define NGE_CMDSTS_CRC 0x10000000
#define NGE_CMDSTS_INTR 0x20000000
#define NGE_CMDSTS_MORE 0x40000000
#define NGE_CMDSTS_OWN 0x80000000
#define NGE_INC(x, y) (x) = ((x) + 1) % y
#define NGE_RXSTAT_RANGELENERR 0x00010000
#define NGE_RXSTAT_LOOPBK 0x00020000
#define NGE_RXSTAT_ALIGNERR 0x00040000
#define NGE_RXSTAT_CRCERR 0x00080000
#define NGE_RXSTAT_SYMBOLERR 0x00100000
#define NGE_RXSTAT_RUNT 0x00200000
#define NGE_RXSTAT_GIANT 0x00400000
#define NGE_RXSTAT_DSTCLASS 0x01800000
#define NGE_RXSTAT_OVERRUN 0x02000000
#define NGE_RXSTAT_RX_ABORT 0x04000000
#define NGE_DSTCLASS_REJECT 0x00000000
#define NGE_DSTCLASS_UNICAST 0x00800000
#define NGE_DSTCLASS_MULTICAST 0x01000000
#define NGE_DSTCLASS_BROADCAST 0x02000000
#define NGE_TXSTAT_COLLCNT 0x000F0000
#define NGE_TXSTAT_EXCESSCOLLS 0x00100000
#define NGE_TXSTAT_OUTOFWINCOLL 0x00200000
#define NGE_TXSTAT_EXCESS_DEFER 0x00400000
#define NGE_TXSTAT_DEFERED 0x00800000
#define NGE_TXSTAT_CARR_LOST 0x01000000
#define NGE_TXSTAT_UNDERRUN 0x02000000
#define NGE_TXSTAT_TX_ABORT 0x04000000
#define NGE_TXEXTSTS_VLAN_TCI 0x0000FFFF
#define NGE_TXEXTSTS_VLANPKT 0x00010000
#define NGE_TXEXTSTS_IPCSUM 0x00020000
#define NGE_TXEXTSTS_TCPCSUM 0x00080000
#define NGE_TXEXTSTS_UDPCSUM 0x00200000
#define NGE_RXEXTSTS_VTCI 0x0000FFFF
#define NGE_RXEXTSTS_VLANPKT 0x00010000
#define NGE_RXEXTSTS_IPPKT 0x00020000
#define NGE_RXEXTSTS_IPCSUMERR 0x00040000
#define NGE_RXEXTSTS_TCPPKT 0x00080000
#define NGE_RXEXTSTS_TCPCSUMERR 0x00100000
#define NGE_RXEXTSTS_UDPPKT 0x00200000
#define NGE_RXEXTSTS_UDPCSUMERR 0x00400000
#define NGE_TX_RING_CNT 256
#define NGE_RX_RING_CNT 256
#define NGE_TX_RING_SIZE sizeof(struct nge_desc) * NGE_TX_RING_CNT
#define NGE_RX_RING_SIZE sizeof(struct nge_desc) * NGE_RX_RING_CNT
#define NGE_RING_ALIGN sizeof(uint64_t)
#define NGE_RX_ALIGN sizeof(uint64_t)
#define NGE_MAXTXSEGS 16
#define NGE_ADDR_LO(x) ((uint64_t)(x) & 0xffffffff)
#define NGE_ADDR_HI(x) ((uint64_t)(x) >> 32)
#define NGE_TX_RING_ADDR(sc, i) \
((sc)->nge_rdata.nge_tx_ring_paddr + sizeof(struct nge_desc) * (i))
#define NGE_RX_RING_ADDR(sc, i) \
((sc)->nge_rdata.nge_rx_ring_paddr + sizeof(struct nge_desc) * (i))
struct nge_txdesc {
struct mbuf *tx_m;
bus_dmamap_t tx_dmamap;
};
struct nge_rxdesc {
struct mbuf *rx_m;
bus_dmamap_t rx_dmamap;
};
struct nge_chain_data {
bus_dma_tag_t nge_parent_tag;
bus_dma_tag_t nge_tx_tag;
struct nge_txdesc nge_txdesc[NGE_TX_RING_CNT];
bus_dma_tag_t nge_rx_tag;
struct nge_rxdesc nge_rxdesc[NGE_RX_RING_CNT];
bus_dma_tag_t nge_tx_ring_tag;
bus_dma_tag_t nge_rx_ring_tag;
bus_dmamap_t nge_tx_ring_map;
bus_dmamap_t nge_rx_ring_map;
bus_dmamap_t nge_rx_sparemap;
int nge_tx_prod;
int nge_tx_cons;
int nge_tx_cnt;
int nge_rx_cons;
};
struct nge_ring_data {
struct nge_desc *nge_tx_ring;
bus_addr_t nge_tx_ring_paddr;
struct nge_desc *nge_rx_ring;
bus_addr_t nge_rx_ring_paddr;
};
/*
* NatSemi PCI vendor ID.
*/
#define NGE_VENDORID 0x100B
/*
* 83820/83821 PCI device IDs
*/
#define NGE_DEVICEID 0x0022
struct nge_type {
uint16_t nge_vid;
uint16_t nge_did;
const char *nge_name;
};
#define NGE_JUMBO_FRAMELEN 9022
#define NGE_JUMBO_MTU \
(NGE_JUMBO_FRAMELEN - sizeof(struct ether_vlan_header) - ETHER_CRC_LEN)
/* Statistics counters. */
struct nge_stats {
uint32_t rx_pkts_errs;
uint32_t rx_crc_errs;
uint32_t rx_fifo_oflows;
uint32_t rx_align_errs;
uint32_t rx_sym_errs;
uint32_t rx_pkts_jumbos;
uint32_t rx_len_errs;
uint32_t rx_unctl_frames;
uint32_t rx_pause;
uint32_t tx_pause;
uint32_t tx_seq_errs;
};
struct nge_softc {
struct ifnet *nge_ifp;
device_t nge_dev;
struct resource *nge_res;
int nge_res_type;
int nge_res_id;
struct resource *nge_irq;
void *nge_intrhand;
device_t nge_miibus;
int nge_if_flags;
uint32_t nge_flags;
#define NGE_FLAG_TBI 0x0002
#define NGE_FLAG_SUSPENDED 0x2000
#define NGE_FLAG_DETACH 0x4000
#define NGE_FLAG_LINK 0x8000
struct nge_chain_data nge_cdata;
struct nge_ring_data nge_rdata;
struct callout nge_stat_ch;
struct nge_stats nge_stats;
struct mtx nge_mtx;
#ifdef DEVICE_POLLING
int rxcycles;
#endif
int nge_watchdog_timer;
int nge_int_holdoff;
struct mbuf *nge_head;
struct mbuf *nge_tail;
};
#define NGE_LOCK_INIT(_sc, _name) \
mtx_init(&(_sc)->nge_mtx, _name, MTX_NETWORK_LOCK, MTX_DEF)
#define NGE_LOCK(_sc) mtx_lock(&(_sc)->nge_mtx)
#define NGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->nge_mtx, MA_OWNED)
#define NGE_UNLOCK(_sc) mtx_unlock(&(_sc)->nge_mtx)
#define NGE_LOCK_DESTROY(_sc) mtx_destroy(&(_sc)->nge_mtx)
/*
* register space access macros
*/
#define CSR_WRITE_4(sc, reg, val) \
bus_write_4((sc)->nge_res, reg, val)
#define CSR_BARRIER_4(sc, reg, flags) \
bus_barrier((sc)->nge_res, reg, 4, flags)
#define CSR_READ_4(sc, reg) \
bus_read_4((sc)->nge_res, reg)
#define NGE_TIMEOUT 1000
#define NGE_INT_HOLDOFF_DEFAULT 1
#define NGE_INT_HOLDOFF_MIN 0
#define NGE_INT_HOLDOFF_MAX 255
/*
* PCI low memory base and low I/O base register, and
* other PCI registers.
*/
#define NGE_PCI_VENDOR_ID 0x00
#define NGE_PCI_DEVICE_ID 0x02
#define NGE_PCI_COMMAND 0x04
#define NGE_PCI_STATUS 0x06
#define NGE_PCI_REVID 0x08
#define NGE_PCI_CLASSCODE 0x09
#define NGE_PCI_CACHELEN 0x0C
#define NGE_PCI_LATENCY_TIMER 0x0D
#define NGE_PCI_HEADER_TYPE 0x0E
#define NGE_PCI_LOIO 0x10
#define NGE_PCI_LOMEM 0x14
#define NGE_PCI_BIOSROM 0x30
#define NGE_PCI_INTLINE 0x3C
#define NGE_PCI_INTPIN 0x3D
#define NGE_PCI_MINGNT 0x3E
#define NGE_PCI_MINLAT 0x0F
#define NGE_PCI_RESETOPT 0x48
#define NGE_PCI_EEPROM_DATA 0x4C
/* power management registers */
#define NGE_PCI_CAPID 0x50 /* 8 bits */
#define NGE_PCI_NEXTPTR 0x51 /* 8 bits */
#define NGE_PCI_PWRMGMTCAP 0x52 /* 16 bits */
#define NGE_PCI_PWRMGMTCTRL 0x54 /* 16 bits */
#define NGE_PSTATE_MASK 0x0003
#define NGE_PSTATE_D0 0x0000
#define NGE_PSTATE_D1 0x0001
#define NGE_PSTATE_D2 0x0002
#define NGE_PSTATE_D3 0x0003
#define NGE_PME_EN 0x0010
#define NGE_PME_STATUS 0x8000