| /* D-Link DL2000-based Gigabit Ethernet Adapter Linux driver */ |
| /* |
| Copyright (c) 2001, 2002 by D-Link Corporation |
| Written by Edward Peng.<edward_peng@dlink.com.tw> |
| Created 03-May-2001, base on Linux' sundance.c. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| */ |
| |
| #ifndef __DL2K_H__ |
| #define __DL2K_H__ |
| |
| #include <linux/module.h> |
| #include <linux/kernel.h> |
| #include <linux/string.h> |
| #include <linux/timer.h> |
| #include <linux/errno.h> |
| #include <linux/ioport.h> |
| #include <linux/slab.h> |
| #include <linux/interrupt.h> |
| #include <linux/pci.h> |
| #include <linux/netdevice.h> |
| #include <linux/etherdevice.h> |
| #include <linux/skbuff.h> |
| #include <linux/crc32.h> |
| #include <linux/ethtool.h> |
| #include <linux/mii.h> |
| #include <linux/bitops.h> |
| #include <asm/processor.h> /* Processor type for cache alignment. */ |
| #include <asm/io.h> |
| #include <asm/uaccess.h> |
| #include <linux/delay.h> |
| #include <linux/spinlock.h> |
| #include <linux/time.h> |
| #define TX_RING_SIZE 256 |
| #define TX_QUEUE_LEN (TX_RING_SIZE - 1) /* Limit ring entries actually used.*/ |
| #define RX_RING_SIZE 256 |
| #define TX_TOTAL_SIZE TX_RING_SIZE*sizeof(struct netdev_desc) |
| #define RX_TOTAL_SIZE RX_RING_SIZE*sizeof(struct netdev_desc) |
| |
| /* Offsets to the device registers. |
| Unlike software-only systems, device drivers interact with complex hardware. |
| It's not useful to define symbolic names for every register bit in the |
| device. The name can only partially document the semantics and make |
| the driver longer and more difficult to read. |
| In general, only the important configuration values or bits changed |
| multiple times should be defined symbolically. |
| */ |
| enum dl2x_offsets { |
| /* I/O register offsets */ |
| DMACtrl = 0x00, |
| RxDMAStatus = 0x08, |
| TFDListPtr0 = 0x10, |
| TFDListPtr1 = 0x14, |
| TxDMABurstThresh = 0x18, |
| TxDMAUrgentThresh = 0x19, |
| TxDMAPollPeriod = 0x1a, |
| RFDListPtr0 = 0x1c, |
| RFDListPtr1 = 0x20, |
| RxDMABurstThresh = 0x24, |
| RxDMAUrgentThresh = 0x25, |
| RxDMAPollPeriod = 0x26, |
| RxDMAIntCtrl = 0x28, |
| DebugCtrl = 0x2c, |
| ASICCtrl = 0x30, |
| FifoCtrl = 0x38, |
| RxEarlyThresh = 0x3a, |
| FlowOffThresh = 0x3c, |
| FlowOnThresh = 0x3e, |
| TxStartThresh = 0x44, |
| EepromData = 0x48, |
| EepromCtrl = 0x4a, |
| ExpromAddr = 0x4c, |
| Exprodata = 0x50, |
| WakeEvent = 0x51, |
| CountDown = 0x54, |
| IntStatusAck = 0x5a, |
| IntEnable = 0x5c, |
| IntStatus = 0x5e, |
| TxStatus = 0x60, |
| MACCtrl = 0x6c, |
| VLANTag = 0x70, |
| PhyCtrl = 0x76, |
| StationAddr0 = 0x78, |
| StationAddr1 = 0x7a, |
| StationAddr2 = 0x7c, |
| VLANId = 0x80, |
| MaxFrameSize = 0x86, |
| ReceiveMode = 0x88, |
| HashTable0 = 0x8c, |
| HashTable1 = 0x90, |
| RmonStatMask = 0x98, |
| StatMask = 0x9c, |
| RxJumboFrames = 0xbc, |
| TCPCheckSumErrors = 0xc0, |
| IPCheckSumErrors = 0xc2, |
| UDPCheckSumErrors = 0xc4, |
| TxJumboFrames = 0xf4, |
| /* Ethernet MIB statistic register offsets */ |
| OctetRcvOk = 0xa8, |
| McstOctetRcvOk = 0xac, |
| BcstOctetRcvOk = 0xb0, |
| FramesRcvOk = 0xb4, |
| McstFramesRcvdOk = 0xb8, |
| BcstFramesRcvdOk = 0xbe, |
| MacControlFramesRcvd = 0xc6, |
| FrameTooLongErrors = 0xc8, |
| InRangeLengthErrors = 0xca, |
| FramesCheckSeqErrors = 0xcc, |
| FramesLostRxErrors = 0xce, |
| OctetXmtOk = 0xd0, |
| McstOctetXmtOk = 0xd4, |
| BcstOctetXmtOk = 0xd8, |
| FramesXmtOk = 0xdc, |
| McstFramesXmtdOk = 0xe0, |
| FramesWDeferredXmt = 0xe4, |
| LateCollisions = 0xe8, |
| MultiColFrames = 0xec, |
| SingleColFrames = 0xf0, |
| BcstFramesXmtdOk = 0xf6, |
| CarrierSenseErrors = 0xf8, |
| MacControlFramesXmtd = 0xfa, |
| FramesAbortXSColls = 0xfc, |
| FramesWEXDeferal = 0xfe, |
| /* RMON statistic register offsets */ |
| EtherStatsCollisions = 0x100, |
| EtherStatsOctetsTransmit = 0x104, |
| EtherStatsPktsTransmit = 0x108, |
| EtherStatsPkts64OctetTransmit = 0x10c, |
| EtherStats65to127OctetsTransmit = 0x110, |
| EtherStatsPkts128to255OctetsTransmit = 0x114, |
| EtherStatsPkts256to511OctetsTransmit = 0x118, |
| EtherStatsPkts512to1023OctetsTransmit = 0x11c, |
| EtherStatsPkts1024to1518OctetsTransmit = 0x120, |
| EtherStatsCRCAlignErrors = 0x124, |
| EtherStatsUndersizePkts = 0x128, |
| EtherStatsFragments = 0x12c, |
| EtherStatsJabbers = 0x130, |
| EtherStatsOctets = 0x134, |
| EtherStatsPkts = 0x138, |
| EtherStats64Octets = 0x13c, |
| EtherStatsPkts65to127Octets = 0x140, |
| EtherStatsPkts128to255Octets = 0x144, |
| EtherStatsPkts256to511Octets = 0x148, |
| EtherStatsPkts512to1023Octets = 0x14c, |
| EtherStatsPkts1024to1518Octets = 0x150, |
| }; |
| |
| /* Bits in the interrupt status/mask registers. */ |
| enum IntStatus_bits { |
| InterruptStatus = 0x0001, |
| HostError = 0x0002, |
| MACCtrlFrame = 0x0008, |
| TxComplete = 0x0004, |
| RxComplete = 0x0010, |
| RxEarly = 0x0020, |
| IntRequested = 0x0040, |
| UpdateStats = 0x0080, |
| LinkEvent = 0x0100, |
| TxDMAComplete = 0x0200, |
| RxDMAComplete = 0x0400, |
| RFDListEnd = 0x0800, |
| RxDMAPriority = 0x1000, |
| }; |
| |
| /* Bits in the ReceiveMode register. */ |
| enum ReceiveMode_bits { |
| ReceiveUnicast = 0x0001, |
| ReceiveMulticast = 0x0002, |
| ReceiveBroadcast = 0x0004, |
| ReceiveAllFrames = 0x0008, |
| ReceiveMulticastHash = 0x0010, |
| ReceiveIPMulticast = 0x0020, |
| ReceiveVLANMatch = 0x0100, |
| ReceiveVLANHash = 0x0200, |
| }; |
| /* Bits in MACCtrl. */ |
| enum MACCtrl_bits { |
| DuplexSelect = 0x20, |
| TxFlowControlEnable = 0x80, |
| RxFlowControlEnable = 0x0100, |
| RcvFCS = 0x200, |
| AutoVLANtagging = 0x1000, |
| AutoVLANuntagging = 0x2000, |
| StatsEnable = 0x00200000, |
| StatsDisable = 0x00400000, |
| StatsEnabled = 0x00800000, |
| TxEnable = 0x01000000, |
| TxDisable = 0x02000000, |
| TxEnabled = 0x04000000, |
| RxEnable = 0x08000000, |
| RxDisable = 0x10000000, |
| RxEnabled = 0x20000000, |
| }; |
| |
| enum ASICCtrl_LoWord_bits { |
| PhyMedia = 0x0080, |
| }; |
| |
| enum ASICCtrl_HiWord_bits { |
| GlobalReset = 0x0001, |
| RxReset = 0x0002, |
| TxReset = 0x0004, |
| DMAReset = 0x0008, |
| FIFOReset = 0x0010, |
| NetworkReset = 0x0020, |
| HostReset = 0x0040, |
| ResetBusy = 0x0400, |
| }; |
| |
| /* Transmit Frame Control bits */ |
| enum TFC_bits { |
| DwordAlign = 0x00000000, |
| WordAlignDisable = 0x00030000, |
| WordAlign = 0x00020000, |
| TCPChecksumEnable = 0x00040000, |
| UDPChecksumEnable = 0x00080000, |
| IPChecksumEnable = 0x00100000, |
| FCSAppendDisable = 0x00200000, |
| TxIndicate = 0x00400000, |
| TxDMAIndicate = 0x00800000, |
| FragCountShift = 24, |
| VLANTagInsert = 0x0000000010000000, |
| TFDDone = 0x80000000, |
| VIDShift = 32, |
| UsePriorityShift = 48, |
| }; |
| |
| /* Receive Frames Status bits */ |
| enum RFS_bits { |
| RxFIFOOverrun = 0x00010000, |
| RxRuntFrame = 0x00020000, |
| RxAlignmentError = 0x00040000, |
| RxFCSError = 0x00080000, |
| RxOverSizedFrame = 0x00100000, |
| RxLengthError = 0x00200000, |
| VLANDetected = 0x00400000, |
| TCPDetected = 0x00800000, |
| TCPError = 0x01000000, |
| UDPDetected = 0x02000000, |
| UDPError = 0x04000000, |
| IPDetected = 0x08000000, |
| IPError = 0x10000000, |
| FrameStart = 0x20000000, |
| FrameEnd = 0x40000000, |
| RFDDone = 0x80000000, |
| TCIShift = 32, |
| RFS_Errors = 0x003f0000, |
| }; |
| |
| #define MII_RESET_TIME_OUT 10000 |
| /* MII register */ |
| enum _mii_reg { |
| MII_PHY_SCR = 16, |
| }; |
| |
| /* PCS register */ |
| enum _pcs_reg { |
| PCS_BMCR = 0, |
| PCS_BMSR = 1, |
| PCS_ANAR = 4, |
| PCS_ANLPAR = 5, |
| PCS_ANER = 6, |
| PCS_ANNPT = 7, |
| PCS_ANLPRNP = 8, |
| PCS_ESR = 15, |
| }; |
| |
| /* IEEE Extened Status Register */ |
| enum _mii_esr { |
| MII_ESR_1000BX_FD = 0x8000, |
| MII_ESR_1000BX_HD = 0x4000, |
| MII_ESR_1000BT_FD = 0x2000, |
| MII_ESR_1000BT_HD = 0x1000, |
| }; |
| /* PHY Specific Control Register */ |
| #if 0 |
| typedef union t_MII_PHY_SCR { |
| u16 image; |
| struct { |
| u16 disable_jabber:1; // bit 0 |
| u16 polarity_reversal:1; // bit 1 |
| u16 SEQ_test:1; // bit 2 |
| u16 _bit_3:1; // bit 3 |
| u16 disable_CLK125:1; // bit 4 |
| u16 mdi_crossover_mode:2; // bit 6:5 |
| u16 enable_ext_dist:1; // bit 7 |
| u16 _bit_8_9:2; // bit 9:8 |
| u16 force_link:1; // bit 10 |
| u16 assert_CRS:1; // bit 11 |
| u16 rcv_fifo_depth:2; // bit 13:12 |
| u16 xmit_fifo_depth:2; // bit 15:14 |
| } bits; |
| } PHY_SCR_t, *PPHY_SCR_t; |
| #endif |
| |
| typedef enum t_MII_ADMIN_STATUS { |
| adm_reset, |
| adm_operational, |
| adm_loopback, |
| adm_power_down, |
| adm_isolate |
| } MII_ADMIN_t, *PMII_ADMIN_t; |
| |
| /* Physical Coding Sublayer Management (PCS) */ |
| /* PCS control and status registers bitmap as the same as MII */ |
| /* PCS Extended Status register bitmap as the same as MII */ |
| /* PCS ANAR */ |
| enum _pcs_anar { |
| PCS_ANAR_NEXT_PAGE = 0x8000, |
| PCS_ANAR_REMOTE_FAULT = 0x3000, |
| PCS_ANAR_ASYMMETRIC = 0x0100, |
| PCS_ANAR_PAUSE = 0x0080, |
| PCS_ANAR_HALF_DUPLEX = 0x0040, |
| PCS_ANAR_FULL_DUPLEX = 0x0020, |
| }; |
| /* PCS ANLPAR */ |
| enum _pcs_anlpar { |
| PCS_ANLPAR_NEXT_PAGE = PCS_ANAR_NEXT_PAGE, |
| PCS_ANLPAR_REMOTE_FAULT = PCS_ANAR_REMOTE_FAULT, |
| PCS_ANLPAR_ASYMMETRIC = PCS_ANAR_ASYMMETRIC, |
| PCS_ANLPAR_PAUSE = PCS_ANAR_PAUSE, |
| PCS_ANLPAR_HALF_DUPLEX = PCS_ANAR_HALF_DUPLEX, |
| PCS_ANLPAR_FULL_DUPLEX = PCS_ANAR_FULL_DUPLEX, |
| }; |
| |
| typedef struct t_SROM { |
| u16 config_param; /* 0x00 */ |
| u16 asic_ctrl; /* 0x02 */ |
| u16 sub_vendor_id; /* 0x04 */ |
| u16 sub_system_id; /* 0x06 */ |
| u16 reserved1[12]; /* 0x08-0x1f */ |
| u8 mac_addr[6]; /* 0x20-0x25 */ |
| u8 reserved2[10]; /* 0x26-0x2f */ |
| u8 sib[204]; /* 0x30-0xfb */ |
| u32 crc; /* 0xfc-0xff */ |
| } SROM_t, *PSROM_t; |
| |
| /* Ioctl custom data */ |
| struct ioctl_data { |
| char signature[10]; |
| int cmd; |
| int len; |
| char *data; |
| }; |
| |
| /* The Rx and Tx buffer descriptors. */ |
| struct netdev_desc { |
| __le64 next_desc; |
| __le64 status; |
| __le64 fraginfo; |
| }; |
| |
| #define PRIV_ALIGN 15 /* Required alignment mask */ |
| /* Use __attribute__((aligned (L1_CACHE_BYTES))) to maintain alignment |
| within the structure. */ |
| struct netdev_private { |
| /* Descriptor rings first for alignment. */ |
| struct netdev_desc *rx_ring; |
| struct netdev_desc *tx_ring; |
| struct sk_buff *rx_skbuff[RX_RING_SIZE]; |
| struct sk_buff *tx_skbuff[TX_RING_SIZE]; |
| dma_addr_t tx_ring_dma; |
| dma_addr_t rx_ring_dma; |
| struct pci_dev *pdev; |
| void __iomem *ioaddr; |
| void __iomem *eeprom_addr; |
| spinlock_t tx_lock; |
| spinlock_t rx_lock; |
| struct net_device_stats stats; |
| unsigned int rx_buf_sz; /* Based on MTU+slack. */ |
| unsigned int speed; /* Operating speed */ |
| unsigned int vlan; /* VLAN Id */ |
| unsigned int chip_id; /* PCI table chip id */ |
| unsigned int rx_coalesce; /* Maximum frames each RxDMAComplete intr */ |
| unsigned int rx_timeout; /* Wait time between RxDMAComplete intr */ |
| unsigned int tx_coalesce; /* Maximum frames each tx interrupt */ |
| unsigned int full_duplex:1; /* Full-duplex operation requested. */ |
| unsigned int an_enable:2; /* Auto-Negotiated Enable */ |
| unsigned int jumbo:1; /* Jumbo frame enable */ |
| unsigned int coalesce:1; /* Rx coalescing enable */ |
| unsigned int tx_flow:1; /* Tx flow control enable */ |
| unsigned int rx_flow:1; /* Rx flow control enable */ |
| unsigned int phy_media:1; /* 1: fiber, 0: copper */ |
| unsigned int link_status:1; /* Current link status */ |
| struct netdev_desc *last_tx; /* Last Tx descriptor used. */ |
| unsigned long cur_rx, old_rx; /* Producer/consumer ring indices */ |
| unsigned long cur_tx, old_tx; |
| struct timer_list timer; |
| int wake_polarity; |
| char name[256]; /* net device description */ |
| u8 duplex_polarity; |
| u16 mcast_filter[4]; |
| u16 advertising; /* NWay media advertisement */ |
| u16 negotiate; /* Negotiated media */ |
| int phy_addr; /* PHY addresses. */ |
| }; |
| |
| /* The station address location in the EEPROM. */ |
| /* The struct pci_device_id consist of: |
| vendor, device Vendor and device ID to match (or PCI_ANY_ID) |
| subvendor, subdevice Subsystem vendor and device ID to match (or PCI_ANY_ID) |
| class Device class to match. The class_mask tells which bits |
| class_mask of the class are honored during the comparison. |
| driver_data Data private to the driver. |
| */ |
| |
| static const struct pci_device_id rio_pci_tbl[] = { |
| {0x1186, 0x4000, PCI_ANY_ID, PCI_ANY_ID, }, |
| {0x13f0, 0x1021, PCI_ANY_ID, PCI_ANY_ID, }, |
| { } |
| }; |
| MODULE_DEVICE_TABLE (pci, rio_pci_tbl); |
| #define TX_TIMEOUT (4*HZ) |
| #define PACKET_SIZE 1536 |
| #define MAX_JUMBO 8000 |
| #define RIO_IO_SIZE 340 |
| #define DEFAULT_RXC 5 |
| #define DEFAULT_RXT 750 |
| #define DEFAULT_TXC 1 |
| #define MAX_TXC 8 |
| #endif /* __DL2K_H__ */ |
