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freebsd/sys/dev/stge/if_stgereg.h
Joel Dahl eac073cde2 The NetBSD Foundation has granted permission to remove clause 3 and 4 from 
their software.

Obtained from:	NetBSD
2010-03-01 16:52:11 +00:00

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/* $NetBSD: if_stgereg.h,v 1.3 2003/02/10 21:10:07 christos Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 THE FOUNDATION OR CONTRIBUTORS
* 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.
*/
/* $FreeBSD$ */
/*
* Sundance Technology PCI vendor ID
*/
#define VENDOR_SUNDANCETI 0x13f0
/*
* Tamarack Microelectronics PCI vendor ID
*/
#define VENDOR_TAMARACK 0x143d
/*
* D-Link Systems PCI vendor ID
*/
#define VENDOR_DLINK 0x1186
/*
* Antares Microsystems PCI vendor ID
*/
#define VENDOR_ANTARES 0x1754
/*
* Sundance Technology device ID
*/
#define DEVICEID_SUNDANCETI_ST1023 0x1023
#define DEVICEID_SUNDANCETI_ST2021 0x2021
#define DEVICEID_TAMARACK_TC9021 0x1021
#define DEVICEID_TAMARACK_TC9021_ALT 0x9021
/*
* D-Link Systems device ID
*/
#define DEVICEID_DLINK_DL4000 0x4000
/*
* Antares Microsystems device ID
*/
#define DEVICEID_ANTARES_TC9021 0x1021
/*
* Register description for the Sundance Tech. TC9021 10/100/1000
* Ethernet controller.
*
* Note that while DMA addresses are all in 64-bit fields, only
* the lower 40 bits of a DMA address are valid.
*/
#if (BUS_SPACE_MAXADDR < 0xFFFFFFFFFF)
#define STGE_DMA_MAXADDR BUS_SPACE_MAXADDR
#else
#define STGE_DMA_MAXADDR 0xFFFFFFFFFF
#endif
/*
* Register access macros
*/
#define CSR_WRITE_4(_sc, reg, val) \
bus_write_4((_sc)->sc_res[0], (reg), (val))
#define CSR_WRITE_2(_sc, reg, val) \
bus_write_2((_sc)->sc_res[0], (reg), (val))
#define CSR_WRITE_1(_sc, reg, val) \
bus_write_1((_sc)->sc_res[0], (reg), (val))
#define CSR_READ_4(_sc, reg) \
bus_read_4((_sc)->sc_res[0], (reg))
#define CSR_READ_2(_sc, reg) \
bus_read_2((_sc)->sc_res[0], (reg))
#define CSR_READ_1(_sc, reg) \
bus_read_1((_sc)->sc_res[0], (reg))
/*
* TC9021 buffer fragment descriptor.
*/
struct stge_frag {
uint64_t frag_word0; /* address, length */
};
#define FRAG_ADDR(x) (((uint64_t)(x)) << 0)
#define FRAG_ADDR_MASK FRAG_ADDR(0xfffffffffULL)
#define FRAG_LEN(x) (((uint64_t)(x)) << 48)
#define FRAG_LEN_MASK FRAG_LEN(0xffffULL)
/*
* TC9021 Transmit Frame Descriptor. Note the number of fragments
* here is arbitrary, but we can't have any more than 15.
*/
#define STGE_NTXFRAGS 15
struct stge_tfd {
uint64_t tfd_next; /* next TFD in list */
uint64_t tfd_control; /* control bits */
/* the buffer fragments */
struct stge_frag tfd_frags[STGE_NTXFRAGS];
};
#define TFD_FrameId(x) ((x) << 0)
#define TFD_FrameId_MAX 0xffff
#define TFD_WordAlign(x) ((x) << 16)
#define TFD_WordAlign_dword 0 /* align to dword in TxFIFO */
#define TFD_WordAlign_word 2 /* align to word in TxFIFO */
#define TFD_WordAlign_disable 1 /* disable alignment */
#define TFD_TCPChecksumEnable (1ULL << 18)
#define TFD_UDPChecksumEnable (1ULL << 19)
#define TFD_IPChecksumEnable (1ULL << 20)
#define TFD_FcsAppendDisable (1ULL << 21)
#define TFD_TxIndicate (1ULL << 22)
#define TFD_TxDMAIndicate (1ULL << 23)
#define TFD_FragCount(x) ((x) << 24)
#define TFD_VLANTagInsert (1ULL << 28)
#define TFD_TFDDone (1ULL << 31)
#define TFD_VID(x) (((uint64_t)(x)) << 32)
#define TFD_CFI (1ULL << 44)
#define TFD_UserPriority(x) (((uint64_t)(x)) << 45)
/*
* TC9021 Receive Frame Descriptor. Each RFD has a single fragment
* in it, and the chip tells us the beginning and end of the frame.
*/
struct stge_rfd {
uint64_t rfd_next; /* next RFD in list */
uint64_t rfd_status; /* status bits */
struct stge_frag rfd_frag; /* the buffer */
};
/* Low word of rfd_status */
#define RFD_RxStatus(x) ((x) & 0xffffffff)
#define RFD_RxDMAFrameLen(x) ((x) & 0xffff)
#define RFD_RxFIFOOverrun 0x00010000
#define RFD_RxRuntFrame 0x00020000
#define RFD_RxAlignmentError 0x00040000
#define RFD_RxFCSError 0x00080000
#define RFD_RxOversizedFrame 0x00100000
#define RFD_RxLengthError 0x00200000
#define RFD_VLANDetected 0x00400000
#define RFD_TCPDetected 0x00800000
#define RFD_TCPError 0x01000000
#define RFD_UDPDetected 0x02000000
#define RFD_UDPError 0x04000000
#define RFD_IPDetected 0x08000000
#define RFD_IPError 0x10000000
#define RFD_FrameStart 0x20000000
#define RFD_FrameEnd 0x40000000
#define RFD_RFDDone 0x80000000
/* High word of rfd_status */
#define RFD_TCI(x) ((((uint64_t)(x)) >> 32) & 0xffff)
/*
* EEPROM offsets.
*/
#define STGE_EEPROM_ConfigParam 0x00
#define STGE_EEPROM_AsicCtrl 0x01
#define STGE_EEPROM_SubSystemVendorId 0x02
#define STGE_EEPROM_SubSystemId 0x03
#define STGE_EEPROM_LEDMode 0x06
#define STGE_EEPROM_StationAddress0 0x10
#define STGE_EEPROM_StationAddress1 0x11
#define STGE_EEPROM_StationAddress2 0x12
/*
* The TC9021 register space.
*/
#define STGE_DMACtrl 0x00
#define DMAC_RxDMAComplete (1U << 3)
#define DMAC_RxDMAPollNow (1U << 4)
#define DMAC_TxDMAComplete (1U << 11)
#define DMAC_TxDMAPollNow (1U << 12)
#define DMAC_TxDMAInProg (1U << 15)
#define DMAC_RxEarlyDisable (1U << 16)
#define DMAC_MWIDisable (1U << 18)
#define DMAC_TxWriteBackDisable (1U << 19)
#define DMAC_TxBurstLimit(x) ((x) << 20)
#define DMAC_TargetAbort (1U << 30)
#define DMAC_MasterAbort (1U << 31)
#define STGE_RxDMAStatus 0x08
#define STGE_TFDListPtrLo 0x10
#define STGE_TFDListPtrHi 0x14
#define STGE_TxDMABurstThresh 0x18 /* 8-bit */
#define STGE_TxDMAUrgentThresh 0x19 /* 8-bit */
#define STGE_TxDMAPollPeriod 0x1a /* 8-bit, 320ns increments */
#define STGE_RFDListPtrLo 0x1c
#define STGE_RFDListPtrHi 0x20
#define STGE_RxDMABurstThresh 0x24 /* 8-bit */
#define STGE_RxDMAUrgentThresh 0x25 /* 8-bit */
#define STGE_RxDMAPollPeriod 0x26 /* 8-bit, 320ns increments */
#define STGE_RxDMAIntCtrl 0x28
#define RDIC_RxFrameCount(x) ((x) & 0xff)
#define RDIC_PriorityThresh(x) ((x) << 10)
#define RDIC_RxDMAWaitTime(x) ((x) << 16)
/*
* Number of receive frames transferred via DMA before a Rx interrupt is issued.
*/
#define STGE_RXINT_NFRAME_DEFAULT 8
#define STGE_RXINT_NFRAME_MIN 1
#define STGE_RXINT_NFRAME_MAX 255
/*
* Maximum amount of time (in 64ns increments) to wait before issuing a Rx
* interrupt if number of frames recevied is less than STGE_RXINT_NFRAME
* (STGE_RXINT_NFRAME_MIN <= STGE_RXINT_NFRAME <= STGE_RXINT_NFRAME_MAX)
*/
#define STGE_RXINT_DMAWAIT_DEFAULT 30 /* 30us */
#define STGE_RXINT_DMAWAIT_MIN 0
#define STGE_RXINT_DMAWAIT_MAX 4194
#define STGE_RXINT_USECS2TICK(x) (((x) * 1000)/64)
#define STGE_DebugCtrl 0x2c /* 16-bit */
#define DC_GPIO0Ctrl (1U << 0)
#define DC_GPIO1Ctrl (1U << 1)
#define DC_GPIO0 (1U << 2)
#define DC_GPIO1 (1U << 3)
#define STGE_AsicCtrl 0x30
#define AC_ExpRomDisable (1U << 0)
#define AC_ExpRomSize (1U << 1)
#define AC_PhySpeed10 (1U << 4)
#define AC_PhySpeed100 (1U << 5)
#define AC_PhySpeed1000 (1U << 6)
#define AC_PhyMedia (1U << 7)
#define AC_ForcedConfig(x) ((x) << 8)
#define AC_ForcedConfig_MASK AC_ForcedConfig(7)
#define AC_D3ResetDisable (1U << 11)
#define AC_SpeedupMode (1U << 13)
#define AC_LEDMode (1U << 14)
#define AC_RstOutPolarity (1U << 15)
#define AC_GlobalReset (1U << 16)
#define AC_RxReset (1U << 17)
#define AC_TxReset (1U << 18)
#define AC_DMA (1U << 19)
#define AC_FIFO (1U << 20)
#define AC_Network (1U << 21)
#define AC_Host (1U << 22)
#define AC_AutoInit (1U << 23)
#define AC_RstOut (1U << 24)
#define AC_InterruptRequest (1U << 25)
#define AC_ResetBusy (1U << 26)
#define AC_LEDSpeed (1U << 27)
#define AC_LEDModeBit1 (1U << 29)
#define STGE_FIFOCtrl 0x38 /* 16-bit */
#define FC_RAMTestMode (1U << 0)
#define FC_Transmitting (1U << 14)
#define FC_Receiving (1U << 15)
#define STGE_RxEarlyThresh 0x3a /* 16-bit */
#define STGE_FlowOffThresh 0x3c /* 16-bit */
#define STGE_FlowOnTresh 0x3e /* 16-bit */
#define STGE_TxStartThresh 0x44 /* 16-bit */
#define STGE_EepromData 0x48 /* 16-bit */
#define STGE_EepromCtrl 0x4a /* 16-bit */
#define EC_EepromAddress(x) ((x) & 0xff)
#define EC_EepromOpcode(x) ((x) << 8)
#define EC_OP_WE 0
#define EC_OP_WR 1
#define EC_OP_RR 2
#define EC_OP_ER 3
#define EC_EepromBusy (1U << 15)
#define STGE_ExpRomAddr 0x4c
#define STGE_ExpRomData 0x50 /* 8-bit */
#define STGE_WakeEvent 0x51 /* 8-bit */
#define WE_WakePktEnable (1U << 0)
#define WE_MagicPktEnable (1U << 1)
#define WE_LinkEventEnable (1U << 2)
#define WE_WakePolarity (1U << 3)
#define WE_WakePktEvent (1U << 4)
#define WE_MagicPktEvent (1U << 5)
#define WE_LinkEvent (1U << 6)
#define WE_WakeOnLanEnable (1U << 7)
#define STGE_Countdown 0x54
#define CD_Count(x) ((x) & 0xffff)
#define CD_CountdownSpeed (1U << 24)
#define CD_CountdownMode (1U << 25)
#define CD_CountdownIntEnabled (1U << 26)
#define STGE_IntStatusAck 0x5a /* 16-bit */
#define STGE_IntEnable 0x5c /* 16-bit */
#define STGE_IntStatus 0x5e /* 16-bit */
#define IS_InterruptStatus (1U << 0)
#define IS_HostError (1U << 1)
#define IS_TxComplete (1U << 2)
#define IS_MACControlFrame (1U << 3)
#define IS_RxComplete (1U << 4)
#define IS_RxEarly (1U << 5)
#define IS_InRequested (1U << 6)
#define IS_UpdateStats (1U << 7)
#define IS_LinkEvent (1U << 8)
#define IS_TxDMAComplete (1U << 9)
#define IS_RxDMAComplete (1U << 10)
#define IS_RFDListEnd (1U << 11)
#define IS_RxDMAPriority (1U << 12)
#define STGE_TxStatus 0x60
#define TS_TxError (1U << 0)
#define TS_LateCollision (1U << 2)
#define TS_MaxCollisions (1U << 3)
#define TS_TxUnderrun (1U << 4)
#define TS_TxIndicateReqd (1U << 6)
#define TS_TxComplete (1U << 7)
#define TS_TxFrameId_get(x) ((x) >> 16)
#define STGE_MACCtrl 0x6c
#define MC_IFSSelect(x) ((x) & 3)
#define MC_IFS96bit 0
#define MC_IFS1024bit 1
#define MC_IFS1792bit 2
#define MC_IFS4352bit 3
#define MC_DuplexSelect (1U << 5)
#define MC_RcvLargeFrames (1U << 6)
#define MC_TxFlowControlEnable (1U << 7)
#define MC_RxFlowControlEnable (1U << 8)
#define MC_RcvFCS (1U << 9)
#define MC_FIFOLoopback (1U << 10)
#define MC_MACLoopback (1U << 11)
#define MC_AutoVLANtagging (1U << 12)
#define MC_AutoVLANuntagging (1U << 13)
#define MC_CollisionDetect (1U << 16)
#define MC_CarrierSense (1U << 17)
#define MC_StatisticsEnable (1U << 21)
#define MC_StatisticsDisable (1U << 22)
#define MC_StatisticsEnabled (1U << 23)
#define MC_TxEnable (1U << 24)
#define MC_TxDisable (1U << 25)
#define MC_TxEnabled (1U << 26)
#define MC_RxEnable (1U << 27)
#define MC_RxDisable (1U << 28)
#define MC_RxEnabled (1U << 29)
#define MC_Paused (1U << 30)
#define MC_MASK 0x7fe33fa3
#define STGE_VLANTag 0x70
#define STGE_PhySet 0x75 /* 8-bit */
#define PS_MemLenb9b (1U << 0)
#define PS_MemLen (1U << 1)
#define PS_NonCompdet (1U << 2)
#define STGE_PhyCtrl 0x76 /* 8-bit */
#define PC_MgmtClk (1U << 0)
#define PC_MgmtData (1U << 1)
#define PC_MgmtDir (1U << 2) /* MAC->PHY */
#define PC_PhyDuplexPolarity (1U << 3)
#define PC_PhyDuplexStatus (1U << 4)
#define PC_PhyLnkPolarity (1U << 5)
#define PC_LinkSpeed(x) (((x) >> 6) & 3)
#define PC_LinkSpeed_Down 0
#define PC_LinkSpeed_10 1
#define PC_LinkSpeed_100 2
#define PC_LinkSpeed_1000 3
#define STGE_StationAddress0 0x78 /* 16-bit */
#define STGE_StationAddress1 0x7a /* 16-bit */
#define STGE_StationAddress2 0x7c /* 16-bit */
#define STGE_VLANHashTable 0x7e /* 16-bit */
#define STGE_VLANId 0x80
#define STGE_MaxFrameSize 0x86
#define STGE_ReceiveMode 0x88 /* 16-bit */
#define RM_ReceiveUnicast (1U << 0)
#define RM_ReceiveMulticast (1U << 1)
#define RM_ReceiveBroadcast (1U << 2)
#define RM_ReceiveAllFrames (1U << 3)
#define RM_ReceiveMulticastHash (1U << 4)
#define RM_ReceiveIPMulticast (1U << 5)
#define RM_ReceiveVLANMatch (1U << 8)
#define RM_ReceiveVLANHash (1U << 9)
#define STGE_HashTable0 0x8c
#define STGE_HashTable1 0x90
#define STGE_RMONStatisticsMask 0x98 /* set to disable */
#define STGE_StatisticsMask 0x9c /* set to disable */
#define STGE_RxJumboFrames 0xbc /* 16-bit */
#define STGE_TCPCheckSumErrors 0xc0 /* 16-bit */
#define STGE_IPCheckSumErrors 0xc2 /* 16-bit */
#define STGE_UDPCheckSumErrors 0xc4 /* 16-bit */
#define STGE_TxJumboFrames 0xf4 /* 16-bit */
/*
* TC9021 statistics. Available memory and I/O mapped.
*/
#define STGE_OctetRcvOk 0xa8
#define STGE_McstOctetRcvdOk 0xac
#define STGE_BcstOctetRcvdOk 0xb0
#define STGE_FramesRcvdOk 0xb4
#define STGE_McstFramesRcvdOk 0xb8
#define STGE_BcstFramesRcvdOk 0xbe /* 16-bit */
#define STGE_MacControlFramesRcvd 0xc6 /* 16-bit */
#define STGE_FrameTooLongErrors 0xc8 /* 16-bit */
#define STGE_InRangeLengthErrors 0xca /* 16-bit */
#define STGE_FramesCheckSeqErrors 0xcc /* 16-bit */
#define STGE_FramesLostRxErrors 0xce /* 16-bit */
#define STGE_OctetXmtdOk 0xd0
#define STGE_McstOctetXmtdOk 0xd4
#define STGE_BcstOctetXmtdOk 0xd8
#define STGE_FramesXmtdOk 0xdc
#define STGE_McstFramesXmtdOk 0xe0
#define STGE_FramesWDeferredXmt 0xe4
#define STGE_LateCollisions 0xe8
#define STGE_MultiColFrames 0xec
#define STGE_SingleColFrames 0xf0
#define STGE_BcstFramesXmtdOk 0xf6 /* 16-bit */
#define STGE_CarrierSenseErrors 0xf8 /* 16-bit */
#define STGE_MacControlFramesXmtd 0xfa /* 16-bit */
#define STGE_FramesAbortXSColls 0xfc /* 16-bit */
#define STGE_FramesWEXDeferal 0xfe /* 16-bit */
/*
* RMON-compatible statistics. Only accessible if memory-mapped.
*/
#define STGE_EtherStatsCollisions 0x100
#define STGE_EtherStatsOctetsTransmit 0x104
#define STGE_EtherStatsPktsTransmit 0x108
#define STGE_EtherStatsPkts64OctetsTransmit 0x10c
#define STGE_EtherStatsPkts64to127OctetsTransmit 0x110
#define STGE_EtherStatsPkts128to255OctetsTransmit 0x114
#define STGE_EtherStatsPkts256to511OctetsTransmit 0x118
#define STGE_EtherStatsPkts512to1023OctetsTransmit 0x11c
#define STGE_EtherStatsPkts1024to1518OctetsTransmit 0x120
#define STGE_EtherStatsCRCAlignErrors 0x124
#define STGE_EtherStatsUndersizePkts 0x128
#define STGE_EtherStatsFragments 0x12c
#define STGE_EtherStatsJabbers 0x130
#define STGE_EtherStatsOctets 0x134
#define STGE_EtherStatsPkts 0x138
#define STGE_EtherStatsPkts64Octets 0x13c
#define STGE_EtherStatsPkts65to127Octets 0x140
#define STGE_EtherStatsPkts128to255Octets 0x144
#define STGE_EtherStatsPkts256to511Octets 0x148
#define STGE_EtherStatsPkts512to1023Octets 0x14c
#define STGE_EtherStatsPkts1024to1518Octets 0x150
/*
* Transmit descriptor list size.
*/
#define STGE_TX_RING_CNT 256
#define STGE_TX_LOWAT (STGE_TX_RING_CNT/32)
#define STGE_TX_HIWAT (STGE_TX_RING_CNT - STGE_TX_LOWAT)
/*
* Receive descriptor list size.
*/
#define STGE_RX_RING_CNT 256
#define STGE_MAXTXSEGS STGE_NTXFRAGS
#define STGE_JUMBO_FRAMELEN 9022
#define STGE_JUMBO_MTU \
(STGE_JUMBO_FRAMELEN - ETHER_HDR_LEN - ETHER_CRC_LEN)
struct stge_txdesc {
struct mbuf *tx_m; /* head of our mbuf chain */
bus_dmamap_t tx_dmamap; /* our DMA map */
STAILQ_ENTRY(stge_txdesc) tx_q;
};
STAILQ_HEAD(stge_txdq, stge_txdesc);
struct stge_rxdesc {
struct mbuf *rx_m;
bus_dmamap_t rx_dmamap;
};
#define STGE_ADDR_LO(x) ((u_int64_t) (x) & 0xffffffff)
#define STGE_ADDR_HI(x) ((u_int64_t) (x) >> 32)
#define STGE_RING_ALIGN 8
struct stge_chain_data{
bus_dma_tag_t stge_parent_tag;
bus_dma_tag_t stge_tx_tag;
struct stge_txdesc stge_txdesc[STGE_TX_RING_CNT];
struct stge_txdq stge_txfreeq;
struct stge_txdq stge_txbusyq;
bus_dma_tag_t stge_rx_tag;
struct stge_rxdesc stge_rxdesc[STGE_RX_RING_CNT];
bus_dma_tag_t stge_tx_ring_tag;
bus_dmamap_t stge_tx_ring_map;
bus_dma_tag_t stge_rx_ring_tag;
bus_dmamap_t stge_rx_ring_map;
bus_dmamap_t stge_rx_sparemap;
int stge_tx_prod;
int stge_tx_cons;
int stge_tx_cnt;
int stge_rx_cons;
#ifdef DEVICE_POLLING
int stge_rxcycles;
#endif
int stge_rxlen;
struct mbuf *stge_rxhead;
struct mbuf *stge_rxtail;
};
struct stge_ring_data {
struct stge_tfd *stge_tx_ring;
bus_addr_t stge_tx_ring_paddr;
struct stge_rfd *stge_rx_ring;
bus_addr_t stge_rx_ring_paddr;
};
#define STGE_TX_RING_ADDR(sc, i) \
((sc)->sc_rdata.stge_tx_ring_paddr + sizeof(struct stge_tfd) * (i))
#define STGE_RX_RING_ADDR(sc, i) \
((sc)->sc_rdata.stge_rx_ring_paddr + sizeof(struct stge_rfd) * (i))
#define STGE_TX_RING_SZ \
(sizeof(struct stge_tfd) * STGE_TX_RING_CNT)
#define STGE_RX_RING_SZ \
(sizeof(struct stge_rfd) * STGE_RX_RING_CNT)
/*
* Software state per device.
*/
struct stge_softc {
struct ifnet *sc_ifp; /* interface info */
device_t sc_dev;
device_t sc_miibus;
struct resource *sc_res[2];
struct resource_spec *sc_spec;
void *sc_ih; /* interrupt cookie */
int sc_rev; /* silicon revision */
struct callout sc_tick_ch; /* tick callout */
struct stge_chain_data sc_cdata;
struct stge_ring_data sc_rdata;
int sc_if_flags;
int sc_if_framesize;
int sc_txthresh; /* Tx threshold */
uint32_t sc_usefiber:1; /* if we're fiber */
uint32_t sc_stge1023:1; /* are we a 1023 */
uint32_t sc_DMACtrl; /* prototype DMACtrl reg. */
uint32_t sc_MACCtrl; /* prototype MacCtrl reg. */
uint16_t sc_IntEnable; /* prototype IntEnable reg. */
uint16_t sc_led; /* LED conf. from EEPROM */
uint8_t sc_PhyCtrl; /* prototype PhyCtrl reg. */
int sc_suspended;
int sc_detach;
int sc_rxint_nframe;
int sc_rxint_dmawait;
int sc_nerr;
int sc_watchdog_timer;
int sc_link;
struct task sc_link_task;
struct mtx sc_mii_mtx; /* MII mutex */
struct mtx sc_mtx;
};
#define STGE_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
#define STGE_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
#define STGE_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->sc_mtx, MA_OWNED)
#define STGE_MII_LOCK(_sc) mtx_lock(&(_sc)->sc_mii_mtx)
#define STGE_MII_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mii_mtx)
#define STGE_MAXERR 5
#define STGE_RXCHAIN_RESET(_sc) \
do { \
(_sc)->sc_cdata.stge_rxhead = NULL; \
(_sc)->sc_cdata.stge_rxtail = NULL; \
(_sc)->sc_cdata.stge_rxlen = 0; \
} while (/*CONSTCOND*/0)
#define STGE_TIMEOUT 1000
struct stge_mii_frame {
uint8_t mii_stdelim;
uint8_t mii_opcode;
uint8_t mii_phyaddr;
uint8_t mii_regaddr;
uint8_t mii_turnaround;
uint16_t mii_data;
};
/*
* MII constants
*/
#define STGE_MII_STARTDELIM 0x01
#define STGE_MII_READOP 0x02
#define STGE_MII_WRITEOP 0x01
#define STGE_MII_TURNAROUND 0x02
#define STGE_RESET_NONE 0x00
#define STGE_RESET_TX 0x01
#define STGE_RESET_RX 0x02
#define STGE_RESET_FULL 0x04
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