/* * drivers/net/gianfar.h * * Gianfar Ethernet Driver * Driver for FEC on MPC8540 and TSEC on MPC8540/MPC8560 * Based on 8260_io/fcc_enet.c * * Author: Andy Fleming * Maintainer: Kumar Gala * * Copyright (c) 2002-2004 Freescale Semiconductor, Inc. * * 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. * * Still left to do: * -Add support for module parameters * -Add patch for ethtool phys id */ #ifndef __GIANFAR_H #define __GIANFAR_H #include <linux/kernel.h> #include <linux/sched.h> #include <linux/string.h> #include <linux/errno.h> #include <linux/slab.h> #include <linux/interrupt.h> #include <linux/init.h> #include <linux/delay.h> #include <linux/netdevice.h> #include <linux/etherdevice.h> #include <linux/skbuff.h> #include <linux/spinlock.h> #include <linux/mm.h> #include <linux/mii.h> #include <linux/phy.h> #include <asm/io.h> #include <asm/irq.h> #include <asm/uaccess.h> #include <linux/module.h> #include <linux/crc32.h> #include <linux/workqueue.h> #include <linux/ethtool.h> /* The maximum number of packets to be handled in one call of gfar_poll */ #define GFAR_DEV_WEIGHT 64 /* Length for FCB */ #define GMAC_FCB_LEN 8 /* Default padding amount */ #define DEFAULT_PADDING 2 /* Number of bytes to align the rx bufs to */ #define RXBUF_ALIGNMENT 64 /* The number of bytes which composes a unit for the purpose of * allocating data buffers. ie-for any given MTU, the data buffer * will be the next highest multiple of 512 bytes. */ #define INCREMENTAL_BUFFER_SIZE 512 #define MAC_ADDR_LEN 6 #define PHY_INIT_TIMEOUT 100000 #define GFAR_PHY_CHANGE_TIME 2 #define DEVICE_NAME "%s: Gianfar Ethernet Controller Version 1.2, " #define DRV_NAME "gfar-enet" extern const char gfar_driver_name[]; extern const char gfar_driver_version[]; /* These need to be powers of 2 for this driver */ #define DEFAULT_TX_RING_SIZE 256 #define DEFAULT_RX_RING_SIZE 256 #define GFAR_RX_MAX_RING_SIZE 256 #define GFAR_TX_MAX_RING_SIZE 256 #define GFAR_MAX_FIFO_THRESHOLD 511 #define GFAR_MAX_FIFO_STARVE 511 #define GFAR_MAX_FIFO_STARVE_OFF 511 #define DEFAULT_RX_BUFFER_SIZE 1536 #define TX_RING_MOD_MASK(size) (size-1) #define RX_RING_MOD_MASK(size) (size-1) #define JUMBO_BUFFER_SIZE 9728 #define JUMBO_FRAME_SIZE 9600 #define DEFAULT_FIFO_TX_THR 0x100 #define DEFAULT_FIFO_TX_STARVE 0x40 #define DEFAULT_FIFO_TX_STARVE_OFF 0x80 #define DEFAULT_BD_STASH 1 #define DEFAULT_STASH_LENGTH 96 #define DEFAULT_STASH_INDEX 0 /* The number of Exact Match registers */ #define GFAR_EM_NUM 15 /* Latency of interface clock in nanoseconds */ /* Interface clock latency , in this case, means the * time described by a value of 1 in the interrupt * coalescing registers' time fields. Since those fields * refer to the time it takes for 64 clocks to pass, the * latencies are as such: * GBIT = 125MHz => 8ns/clock => 8*64 ns / tick * 100 = 25 MHz => 40ns/clock => 40*64 ns / tick * 10 = 2.5 MHz => 400ns/clock => 400*64 ns / tick */ #define GFAR_GBIT_TIME 512 #define GFAR_100_TIME 2560 #define GFAR_10_TIME 25600 #define DEFAULT_TX_COALESCE 1 #define DEFAULT_TXCOUNT 16 #define DEFAULT_TXTIME 21 #define DEFAULT_RXTIME 21 #define DEFAULT_RX_COALESCE 0 #define DEFAULT_RXCOUNT 0 #define GFAR_SUPPORTED (SUPPORTED_10baseT_Half \ | SUPPORTED_10baseT_Full \ | SUPPORTED_100baseT_Half \ | SUPPORTED_100baseT_Full \ | SUPPORTED_Autoneg \ | SUPPORTED_MII) /* TBI register addresses */ #define MII_TBICON 0x11 /* TBICON register bit fields */ #define TBICON_CLK_SELECT 0x0020 /* MAC register bits */ #define MACCFG1_SOFT_RESET 0x80000000 #define MACCFG1_RESET_RX_MC 0x00080000 #define MACCFG1_RESET_TX_MC 0x00040000 #define MACCFG1_RESET_RX_FUN 0x00020000 #define MACCFG1_RESET_TX_FUN 0x00010000 #define MACCFG1_LOOPBACK 0x00000100 #define MACCFG1_RX_FLOW 0x00000020 #define MACCFG1_TX_FLOW 0x00000010 #define MACCFG1_SYNCD_RX_EN 0x00000008 #define MACCFG1_RX_EN 0x00000004 #define MACCFG1_SYNCD_TX_EN 0x00000002 #define MACCFG1_TX_EN 0x00000001 #define MACCFG2_INIT_SETTINGS 0x00007205 #define MACCFG2_FULL_DUPLEX 0x00000001 #define MACCFG2_IF 0x00000300 #define MACCFG2_MII 0x00000100 #define MACCFG2_GMII 0x00000200 #define MACCFG2_HUGEFRAME 0x00000020 #define MACCFG2_LENGTHCHECK 0x00000010 #define MACCFG2_MPEN 0x00000008 #define ECNTRL_INIT_SETTINGS 0x00001000 #define ECNTRL_TBI_MODE 0x00000020 #define ECNTRL_REDUCED_MODE 0x00000010 #define ECNTRL_R100 0x00000008 #define ECNTRL_REDUCED_MII_MODE 0x00000004 #define ECNTRL_SGMII_MODE 0x00000002 #define MRBLR_INIT_SETTINGS DEFAULT_RX_BUFFER_SIZE #define MINFLR_INIT_SETTINGS 0x00000040 /* Init to do tx snooping for buffers and descriptors */ #define DMACTRL_INIT_SETTINGS 0x000000c3 #define DMACTRL_GRS 0x00000010 #define DMACTRL_GTS 0x00000008 #define TSTAT_CLEAR_THALT 0x80000000 /* Interrupt coalescing macros */ #define IC_ICEN 0x80000000 #define IC_ICFT_MASK 0x1fe00000 #define IC_ICFT_SHIFT 21 #define mk_ic_icft(x) \ (((unsigned int)x << IC_ICFT_SHIFT)&IC_ICFT_MASK) #define IC_ICTT_MASK 0x0000ffff #define mk_ic_ictt(x) (x&IC_ICTT_MASK) #define mk_ic_value(count, time) (IC_ICEN | \ mk_ic_icft(count) | \ mk_ic_ictt(time)) #define get_icft_value(ic) (((unsigned long)ic & IC_ICFT_MASK) >> \ IC_ICFT_SHIFT) #define get_ictt_value(ic) ((unsigned long)ic & IC_ICTT_MASK) #define DEFAULT_TXIC mk_ic_value(DEFAULT_TXCOUNT, DEFAULT_TXTIME) #define DEFAULT_RXIC mk_ic_value(DEFAULT_RXCOUNT, DEFAULT_RXTIME) #define skip_bd(bdp, stride, base, ring_size) ({ \ typeof(bdp) new_bd = (bdp) + (stride); \ (new_bd >= (base) + (ring_size)) ? (new_bd - (ring_size)) : new_bd; }) #define next_bd(bdp, base, ring_size) skip_bd(bdp, 1, base, ring_size) #define RCTRL_PAL_MASK 0x001f0000 #define RCTRL_VLEX 0x00002000 #define RCTRL_FILREN 0x00001000 #define RCTRL_GHTX 0x00000400 #define RCTRL_IPCSEN 0x00000200 #define RCTRL_TUCSEN 0x00000100 #define RCTRL_PRSDEP_MASK 0x000000c0 #define RCTRL_PRSDEP_INIT 0x000000c0 #define RCTRL_PROM 0x00000008 #define RCTRL_EMEN 0x00000002 #define RCTRL_REQ_PARSER (RCTRL_VLEX | RCTRL_IPCSEN | \ RCTRL_TUCSEN) #define RCTRL_CHECKSUMMING (RCTRL_IPCSEN | RCTRL_TUCSEN | \ RCTRL_PRSDEP_INIT) #define RCTRL_EXTHASH (RCTRL_GHTX) #define RCTRL_VLAN (RCTRL_PRSDEP_INIT) #define RCTRL_PADDING(x) ((x << 16) & RCTRL_PAL_MASK) #define RSTAT_CLEAR_RHALT 0x00800000 #define TCTRL_IPCSEN 0x00004000 #define TCTRL_TUCSEN 0x00002000 #define TCTRL_VLINS 0x00001000 #define TCTRL_INIT_CSUM (TCTRL_TUCSEN | TCTRL_IPCSEN) #define IEVENT_INIT_CLEAR 0xffffffff #define IEVENT_BABR 0x80000000 #define IEVENT_RXC 0x40000000 #define IEVENT_BSY 0x20000000 #define IEVENT_EBERR 0x10000000 #define IEVENT_MSRO 0x04000000 #define IEVENT_GTSC 0x02000000 #define IEVENT_BABT 0x01000000 #define IEVENT_TXC 0x00800000 #define IEVENT_TXE 0x00400000 #define IEVENT_TXB 0x00200000 #define IEVENT_TXF 0x00100000 #define IEVENT_LC 0x00040000 #define IEVENT_CRL 0x00020000 #define IEVENT_XFUN 0x00010000 #define IEVENT_RXB0 0x00008000 #define IEVENT_MAG 0x00000800 #define IEVENT_GRSC 0x00000100 #define IEVENT_RXF0 0x00000080 #define IEVENT_FIR 0x00000008 #define IEVENT_FIQ 0x00000004 #define IEVENT_DPE 0x00000002 #define IEVENT_PERR 0x00000001 #define IEVENT_RX_MASK (IEVENT_RXB0 | IEVENT_RXF0 | IEVENT_BSY) #define IEVENT_TX_MASK (IEVENT_TXB | IEVENT_TXF) #define IEVENT_RTX_MASK (IEVENT_RX_MASK | IEVENT_TX_MASK) #define IEVENT_ERR_MASK \ (IEVENT_RXC | IEVENT_BSY | IEVENT_EBERR | IEVENT_MSRO | \ IEVENT_BABT | IEVENT_TXC | IEVENT_TXE | IEVENT_LC \ | IEVENT_CRL | IEVENT_XFUN | IEVENT_DPE | IEVENT_PERR \ | IEVENT_MAG | IEVENT_BABR) #define IMASK_INIT_CLEAR 0x00000000 #define IMASK_BABR 0x80000000 #define IMASK_RXC 0x40000000 #define IMASK_BSY 0x20000000 #define IMASK_EBERR 0x10000000 #define IMASK_MSRO 0x04000000 #define IMASK_GRSC 0x02000000 #define IMASK_BABT 0x01000000 #define IMASK_TXC 0x00800000 #define IMASK_TXEEN 0x00400000 #define IMASK_TXBEN 0x00200000 #define IMASK_TXFEN 0x00100000 #define IMASK_LC 0x00040000 #define IMASK_CRL 0x00020000 #define IMASK_XFUN 0x00010000 #define IMASK_RXB0 0x00008000 #define IMASK_MAG 0x00000800 #define IMASK_GTSC 0x00000100 #define IMASK_RXFEN0 0x00000080 #define IMASK_FIR 0x00000008 #define IMASK_FIQ 0x00000004 #define IMASK_DPE 0x00000002 #define IMASK_PERR 0x00000001 #define IMASK_DEFAULT (IMASK_TXEEN | IMASK_TXFEN | IMASK_TXBEN | \ IMASK_RXFEN0 | IMASK_BSY | IMASK_EBERR | IMASK_BABR | \ IMASK_XFUN | IMASK_RXC | IMASK_BABT | IMASK_DPE \ | IMASK_PERR) #define IMASK_RTX_DISABLED ((~(IMASK_RXFEN0 | IMASK_TXFEN | IMASK_BSY)) \ & IMASK_DEFAULT) /* Fifo management */ #define FIFO_TX_THR_MASK 0x01ff #define FIFO_TX_STARVE_MASK 0x01ff #define FIFO_TX_STARVE_OFF_MASK 0x01ff /* Attribute fields */ /* This enables rx snooping for buffers and descriptors */ #define ATTR_BDSTASH 0x00000800 #define ATTR_BUFSTASH 0x00004000 #define ATTR_SNOOPING 0x000000c0 #define ATTR_INIT_SETTINGS ATTR_SNOOPING #define ATTRELI_INIT_SETTINGS 0x0 #define ATTRELI_EL_MASK 0x3fff0000 #define ATTRELI_EL(x) (x << 16) #define ATTRELI_EI_MASK 0x00003fff #define ATTRELI_EI(x) (x) #define BD_LFLAG(flags) ((flags) << 16) #define BD_LENGTH_MASK 0x0000ffff /* TxBD status field bits */ #define TXBD_READY 0x8000 #define TXBD_PADCRC 0x4000 #define TXBD_WRAP 0x2000 #define TXBD_INTERRUPT 0x1000 #define TXBD_LAST 0x0800 #define TXBD_CRC 0x0400 #define TXBD_DEF 0x0200 #define TXBD_HUGEFRAME 0x0080 #define TXBD_LATECOLLISION 0x0080 #define TXBD_RETRYLIMIT 0x0040 #define TXBD_RETRYCOUNTMASK 0x003c #define TXBD_UNDERRUN 0x0002 #define TXBD_TOE 0x0002 /* Tx FCB param bits */ #define TXFCB_VLN 0x80 #define TXFCB_IP 0x40 #define TXFCB_IP6 0x20 #define TXFCB_TUP 0x10 #define TXFCB_UDP 0x08 #define TXFCB_CIP 0x04 #define TXFCB_CTU 0x02 #define TXFCB_NPH 0x01 #define TXFCB_DEFAULT (TXFCB_IP|TXFCB_TUP|TXFCB_CTU|TXFCB_NPH) /* RxBD status field bits */ #define RXBD_EMPTY 0x8000 #define RXBD_RO1 0x4000 #define RXBD_WRAP 0x2000 #define RXBD_INTERRUPT 0x1000 #define RXBD_LAST 0x0800 #define RXBD_FIRST 0x0400 #define RXBD_MISS 0x0100 #define RXBD_BROADCAST 0x0080 #define RXBD_MULTICAST 0x0040 #define RXBD_LARGE 0x0020 #define RXBD_NONOCTET 0x0010 #define RXBD_SHORT 0x0008 #define RXBD_CRCERR 0x0004 #define RXBD_OVERRUN 0x0002 #define RXBD_TRUNCATED 0x0001 #define RXBD_STATS 0x01ff #define RXBD_ERR (RXBD_LARGE | RXBD_SHORT | RXBD_NONOCTET \ | RXBD_CRCERR | RXBD_OVERRUN \ | RXBD_TRUNCATED) /* Rx FCB status field bits */ #define RXFCB_VLN 0x8000 #define RXFCB_IP 0x4000 #define RXFCB_IP6 0x2000 #define RXFCB_TUP 0x1000 #define RXFCB_CIP 0x0800 #define RXFCB_CTU 0x0400 #define RXFCB_EIP 0x0200 #define RXFCB_ETU 0x0100 #define RXFCB_CSUM_MASK 0x0f00 #define RXFCB_PERR_MASK 0x000c #define RXFCB_PERR_BADL3 0x0008 #define GFAR_INT_NAME_MAX IFNAMSIZ + 4 struct txbd8 { union { struct { u16 status; /* Status Fields */ u16 length; /* Buffer length */ }; u32 lstatus; }; u32 bufPtr; /* Buffer Pointer */ }; struct txfcb { u8 flags; u8 reserved; u8 l4os; /* Level 4 Header Offset */ u8 l3os; /* Level 3 Header Offset */ u16 phcs; /* Pseudo-header Checksum */ u16 vlctl; /* VLAN control word */ }; struct rxbd8 { union { struct { u16 status; /* Status Fields */ u16 length; /* Buffer Length */ }; u32 lstatus; }; u32 bufPtr; /* Buffer Pointer */ }; struct rxfcb { u16 flags; u8 rq; /* Receive Queue index */ u8 pro; /* Layer 4 Protocol */ u16 reserved; u16 vlctl; /* VLAN control word */ }; struct rmon_mib { u32 tr64; /* 0x.680 - Transmit and Receive 64-byte Frame Counter */ u32 tr127; /* 0x.684 - Transmit and Receive 65-127 byte Frame Counter */ u32 tr255; /* 0x.688 - Transmit and Receive 128-255 byte Frame Counter */ u32 tr511; /* 0x.68c - Transmit and Receive 256-511 byte Frame Counter */ u32 tr1k; /* 0x.690 - Transmit and Receive 512-1023 byte Frame Counter */ u32 trmax; /* 0x.694 - Transmit and Receive 1024-1518 byte Frame Counter */ u32 trmgv; /* 0x.698 - Transmit and Receive 1519-1522 byte Good VLAN Frame */ u32 rbyt; /* 0x.69c - Receive Byte Counter */ u32 rpkt; /* 0x.6a0 - Receive Packet Counter */ u32 rfcs; /* 0x.6a4 - Receive FCS Error Counter */ u32 rmca; /* 0x.6a8 - Receive Multicast Packet Counter */ u32 rbca; /* 0x.6ac - Receive Broadcast Packet Counter */ u32 rxcf; /* 0x.6b0 - Receive Control Frame Packet Counter */ u32 rxpf; /* 0x.6b4 - Receive Pause Frame Packet Counter */ u32 rxuo; /* 0x.6b8 - Receive Unknown OP Code Counter */ u32 raln; /* 0x.6bc - Receive Alignment Error Counter */ u32 rflr; /* 0x.6c0 - Receive Frame Length Error Counter */ u32 rcde; /* 0x.6c4 - Receive Code Error Counter */ u32 rcse; /* 0x.6c8 - Receive Carrier Sense Error Counter */ u32 rund; /* 0x.6cc - Receive Undersize Packet Counter */ u32 rovr; /* 0x.6d0 - Receive Oversize Packet Counter */ u32 rfrg; /* 0x.6d4 - Receive Fragments Counter */ u32 rjbr; /* 0x.6d8 - Receive Jabber Counter */ u32 rdrp; /* 0x.6dc - Receive Drop Counter */ u32 tbyt; /* 0x.6e0 - Transmit Byte Counter Counter */ u32 tpkt; /* 0x.6e4 - Transmit Packet Counter */ u32 tmca; /* 0x.6e8 - Transmit Multicast Packet Counter */ u32 tbca; /* 0x.6ec - Transmit Broadcast Packet Counter */ u32 txpf; /* 0x.6f0 - Transmit Pause Control Frame Counter */ u32 tdfr; /* 0x.6f4 - Transmit Deferral Packet Counter */ u32 tedf; /* 0x.6f8 - Transmit Excessive Deferral Packet Counter */ u32 tscl; /* 0x.6fc - Transmit Single Collision Packet Counter */ u32 tmcl; /* 0x.700 - Transmit Multiple Collision Packet Counter */ u32 tlcl; /* 0x.704 - Transmit Late Collision Packet Counter */ u32 txcl; /* 0x.708 - Transmit Excessive Collision Packet Counter */ u32 tncl; /* 0x.70c - Transmit Total Collision Counter */ u8 res1[4]; u32 tdrp; /* 0x.714 - Transmit Drop Frame Counter */ u32 tjbr; /* 0x.718 - Transmit Jabber Frame Counter */ u32 tfcs; /* 0x.71c - Transmit FCS Error Counter */ u32 txcf; /* 0x.720 - Transmit Control Frame Counter */ u32 tovr; /* 0x.724 - Transmit Oversize Frame Counter */ u32 tund; /* 0x.728 - Transmit Undersize Frame Counter */ u32 tfrg; /* 0x.72c - Transmit Fragments Frame Counter */ u32 car1; /* 0x.730 - Carry Register One */ u32 car2; /* 0x.734 - Carry Register Two */ u32 cam1; /* 0x.738 - Carry Mask Register One */ u32 cam2; /* 0x.73c - Carry Mask Register Two */ }; struct gfar_extra_stats { u64 kernel_dropped; u64 rx_large; u64 rx_short; u64 rx_nonoctet; u64 rx_crcerr; u64 rx_overrun; u64 rx_bsy; u64 rx_babr; u64 rx_trunc; u64 eberr; u64 tx_babt; u64 tx_underrun; u64 rx_skbmissing; u64 tx_timeout; }; #define GFAR_RMON_LEN ((sizeof(struct rmon_mib) - 16)/sizeof(u32)) #define GFAR_EXTRA_STATS_LEN (sizeof(struct gfar_extra_stats)/sizeof(u64)) /* Number of stats in the stats structure (ignore car and cam regs)*/ #define GFAR_STATS_LEN (GFAR_RMON_LEN + GFAR_EXTRA_STATS_LEN) #define GFAR_INFOSTR_LEN 32 struct gfar_stats { u64 extra[GFAR_EXTRA_STATS_LEN]; u64 rmon[GFAR_RMON_LEN]; }; struct gfar { u32 tsec_id; /* 0x.000 - Controller ID register */ u8 res1[12]; u32 ievent; /* 0x.010 - Interrupt Event Register */ u32 imask; /* 0x.014 - Interrupt Mask Register */ u32 edis; /* 0x.018 - Error Disabled Register */ u8 res2[4]; u32 ecntrl; /* 0x.020 - Ethernet Control Register */ u32 minflr; /* 0x.024 - Minimum Frame Length Register */ u32 ptv; /* 0x.028 - Pause Time Value Register */ u32 dmactrl; /* 0x.02c - DMA Control Register */ u32 tbipa; /* 0x.030 - TBI PHY Address Register */ u8 res3[88]; u32 fifo_tx_thr; /* 0x.08c - FIFO transmit threshold register */ u8 res4[8]; u32 fifo_tx_starve; /* 0x.098 - FIFO transmit starve register */ u32 fifo_tx_starve_shutoff; /* 0x.09c - FIFO transmit starve shutoff register */ u8 res5[4]; u32 fifo_rx_pause; /* 0x.0a4 - FIFO receive pause threshold register */ u32 fifo_rx_alarm; /* 0x.0a8 - FIFO receive alarm threshold register */ u8 res6[84]; u32 tctrl; /* 0x.100 - Transmit Control Register */ u32 tstat; /* 0x.104 - Transmit Status Register */ u32 dfvlan; /* 0x.108 - Default VLAN Control word */ u32 tbdlen; /* 0x.10c - Transmit Buffer Descriptor Data Length Register */ u32 txic; /* 0x.110 - Transmit Interrupt Coalescing Configuration Register */ u32 tqueue; /* 0x.114 - Transmit queue control register */ u8 res7[40]; u32 tr03wt; /* 0x.140 - TxBD Rings 0-3 round-robin weightings */ u32 tr47wt; /* 0x.144 - TxBD Rings 4-7 round-robin weightings */ u8 res8[52]; u32 tbdbph; /* 0x.17c - Tx data buffer pointer high */ u8 res9a[4]; u32 tbptr0; /* 0x.184 - TxBD Pointer for ring 0 */ u8 res9b[4]; u32 tbptr1; /* 0x.18c - TxBD Pointer for ring 1 */ u8 res9c[4]; u32 tbptr2; /* 0x.194 - TxBD Pointer for ring 2 */ u8 res9d[4]; u32 tbptr3; /* 0x.19c - TxBD Pointer for ring 3 */ u8 res9e[4]; u32 tbptr4; /* 0x.1a4 - TxBD Pointer for ring 4 */ u8 res9f[4]; u32 tbptr5; /* 0x.1ac - TxBD Pointer for ring 5 */ u8 res9g[4]; u32 tbptr6; /* 0x.1b4 - TxBD Pointer for ring 6 */ u8 res9h[4]; u32 tbptr7; /* 0x.1bc - TxBD Pointer for ring 7 */ u8 res9[64]; u32 tbaseh; /* 0x.200 - TxBD base address high */ u32 tbase0; /* 0x.204 - TxBD Base Address of ring 0 */ u8 res10a[4]; u32 tbase1; /* 0x.20c - TxBD Base Address of ring 1 */ u8 res10b[4]; u32 tbase2; /* 0x.214 - TxBD Base Address of ring 2 */ u8 res10c[4]; u32 tbase3; /* 0x.21c - TxBD Base Address of ring 3 */ u8 res10d[4]; u32 tbase4; /* 0x.224 - TxBD Base Address of ring 4 */ u8 res10e[4]; u32 tbase5; /* 0x.22c - TxBD Base Address of ring 5 */ u8 res10f[4]; u32 tbase6; /* 0x.234 - TxBD Base Address of ring 6 */ u8 res10g[4]; u32 tbase7; /* 0x.23c - TxBD Base Address of ring 7 */ u8 res10[192]; u32 rctrl; /* 0x.300 - Receive Control Register */ u32 rstat; /* 0x.304 - Receive Status Register */ u8 res12[8]; u32 rxic; /* 0x.310 - Receive Interrupt Coalescing Configuration Register */ u32 rqueue; /* 0x.314 - Receive queue control register */ u8 res13[24]; u32 rbifx; /* 0x.330 - Receive bit field extract control register */ u32 rqfar; /* 0x.334 - Receive queue filing table address register */ u32 rqfcr; /* 0x.338 - Receive queue filing table control register */ u32 rqfpr; /* 0x.33c - Receive queue filing table property register */ u32 mrblr; /* 0x.340 - Maximum Receive Buffer Length Register */ u8 res14[56]; u32 rbdbph; /* 0x.37c - Rx data buffer pointer high */ u8 res15a[4]; u32 rbptr0; /* 0x.384 - RxBD pointer for ring 0 */ u8 res15b[4]; u32 rbptr1; /* 0x.38c - RxBD pointer for ring 1 */ u8 res15c[4]; u32 rbptr2; /* 0x.394 - RxBD pointer for ring 2 */ u8 res15d[4]; u32 rbptr3; /* 0x.39c - RxBD pointer for ring 3 */ u8 res15e[4]; u32 rbptr4; /* 0x.3a4 - RxBD pointer for ring 4 */ u8 res15f[4]; u32 rbptr5; /* 0x.3ac - RxBD pointer for ring 5 */ u8 res15g[4]; u32 rbptr6; /* 0x.3b4 - RxBD pointer for ring 6 */ u8 res15h[4]; u32 rbptr7; /* 0x.3bc - RxBD pointer for ring 7 */ u8 res16[64]; u32 rbaseh; /* 0x.400 - RxBD base address high */ u32 rbase0; /* 0x.404 - RxBD base address of ring 0 */ u8 res17a[4]; u32 rbase1; /* 0x.40c - RxBD base address of ring 1 */ u8 res17b[4]; u32 rbase2; /* 0x.414 - RxBD base address of ring 2 */ u8 res17c[4]; u32 rbase3; /* 0x.41c - RxBD base address of ring 3 */ u8 res17d[4]; u32 rbase4; /* 0x.424 - RxBD base address of ring 4 */ u8 res17e[4]; u32 rbase5; /* 0x.42c - RxBD base address of ring 5 */ u8 res17f[4]; u32 rbase6; /* 0x.434 - RxBD base address of ring 6 */ u8 res17g[4]; u32 rbase7; /* 0x.43c - RxBD base address of ring 7 */ u8 res17[192]; u32 maccfg1; /* 0x.500 - MAC Configuration 1 Register */ u32 maccfg2; /* 0x.504 - MAC Configuration 2 Register */ u32 ipgifg; /* 0x.508 - Inter Packet Gap/Inter Frame Gap Register */ u32 hafdup; /* 0x.50c - Half Duplex Register */ u32 maxfrm; /* 0x.510 - Maximum Frame Length Register */ u8 res18[12]; u8 gfar_mii_regs[24]; /* See gianfar_phy.h */ u8 res19[4]; u32 ifstat; /* 0x.53c - Interface Status Register */ u32 macstnaddr1; /* 0x.540 - Station Address Part 1 Register */ u32 macstnaddr2; /* 0x.544 - Station Address Part 2 Register */ u32 mac01addr1; /* 0x.548 - MAC exact match address 1, part 1 */ u32 mac01addr2; /* 0x.54c - MAC exact match address 1, part 2 */ u32 mac02addr1; /* 0x.550 - MAC exact match address 2, part 1 */ u32 mac02addr2; /* 0x.554 - MAC exact match address 2, part 2 */ u32 mac03addr1; /* 0x.558 - MAC exact match address 3, part 1 */ u32 mac03addr2; /* 0x.55c - MAC exact match address 3, part 2 */ u32 mac04addr1; /* 0x.560 - MAC exact match address 4, part 1 */ u32 mac04addr2; /* 0x.564 - MAC exact match address 4, part 2 */ u32 mac05addr1; /* 0x.568 - MAC exact match address 5, part 1 */ u32 mac05addr2; /* 0x.56c - MAC exact match address 5, part 2 */ u32 mac06addr1; /* 0x.570 - MAC exact match address 6, part 1 */ u32 mac06addr2; /* 0x.574 - MAC exact match address 6, part 2 */ u32 mac07addr1; /* 0x.578 - MAC exact match address 7, part 1 */ u32 mac07addr2; /* 0x.57c - MAC exact match address 7, part 2 */ u32 mac08addr1; /* 0x.580 - MAC exact match address 8, part 1 */ u32 mac08addr2; /* 0x.584 - MAC exact match address 8, part 2 */ u32 mac09addr1; /* 0x.588 - MAC exact match address 9, part 1 */ u32 mac09addr2; /* 0x.58c - MAC exact match address 9, part 2 */ u32 mac10addr1; /* 0x.590 - MAC exact match address 10, part 1*/ u32 mac10addr2; /* 0x.594 - MAC exact match address 10, part 2*/ u32 mac11addr1; /* 0x.598 - MAC exact match address 11, part 1*/ u32 mac11addr2; /* 0x.59c - MAC exact match address 11, part 2*/ u32 mac12addr1; /* 0x.5a0 - MAC exact match address 12, part 1*/ u32 mac12addr2; /* 0x.5a4 - MAC exact match address 12, part 2*/ u32 mac13addr1; /* 0x.5a8 - MAC exact match address 13, part 1*/ u32 mac13addr2; /* 0x.5ac - MAC exact match address 13, part 2*/ u32 mac14addr1; /* 0x.5b0 - MAC exact match address 14, part 1*/ u32 mac14addr2; /* 0x.5b4 - MAC exact match address 14, part 2*/ u32 mac15addr1; /* 0x.5b8 - MAC exact match address 15, part 1*/ u32 mac15addr2; /* 0x.5bc - MAC exact match address 15, part 2*/ u8 res20[192]; struct rmon_mib rmon; /* 0x.680-0x.73c */ u32 rrej; /* 0x.740 - Receive filer rejected packet counter */ u8 res21[188]; u32 igaddr0; /* 0x.800 - Indivdual/Group address register 0*/ u32 igaddr1; /* 0x.804 - Indivdual/Group address register 1*/ u32 igaddr2; /* 0x.808 - Indivdual/Group address register 2*/ u32 igaddr3; /* 0x.80c - Indivdual/Group address register 3*/ u32 igaddr4; /* 0x.810 - Indivdual/Group address register 4*/ u32 igaddr5; /* 0x.814 - Indivdual/Group address register 5*/ u32 igaddr6; /* 0x.818 - Indivdual/Group address register 6*/ u32 igaddr7; /* 0x.81c - Indivdual/Group address register 7*/ u8 res22[96]; u32 gaddr0; /* 0x.880 - Group address register 0 */ u32 gaddr1; /* 0x.884 - Group address register 1 */ u32 gaddr2; /* 0x.888 - Group address register 2 */ u32 gaddr3; /* 0x.88c - Group address register 3 */ u32 gaddr4; /* 0x.890 - Group address register 4 */ u32 gaddr5; /* 0x.894 - Group address register 5 */ u32 gaddr6; /* 0x.898 - Group address register 6 */ u32 gaddr7; /* 0x.89c - Group address register 7 */ u8 res23a[352]; u32 fifocfg; /* 0x.a00 - FIFO interface config register */ u8 res23b[252]; u8 res23c[248]; u32 attr; /* 0x.bf8 - Attributes Register */ u32 attreli; /* 0x.bfc - Attributes Extract Length and Extract Index Register */ u8 res24[1024]; }; /* Flags related to gianfar device features */ #define FSL_GIANFAR_DEV_HAS_GIGABIT 0x00000001 #define FSL_GIANFAR_DEV_HAS_COALESCE 0x00000002 #define FSL_GIANFAR_DEV_HAS_RMON 0x00000004 #define FSL_GIANFAR_DEV_HAS_MULTI_INTR 0x00000008 #define FSL_GIANFAR_DEV_HAS_CSUM 0x00000010 #define FSL_GIANFAR_DEV_HAS_VLAN 0x00000020 #define FSL_GIANFAR_DEV_HAS_EXTENDED_HASH 0x00000040 #define FSL_GIANFAR_DEV_HAS_PADDING 0x00000080 #define FSL_GIANFAR_DEV_HAS_MAGIC_PACKET 0x00000100 #define FSL_GIANFAR_DEV_HAS_BD_STASHING 0x00000200 #define FSL_GIANFAR_DEV_HAS_BUF_STASHING 0x00000400 /* Struct stolen almost completely (and shamelessly) from the FCC enet source * (Ok, that's not so true anymore, but there is a family resemblence) * The GFAR buffer descriptors track the ring buffers. The rx_bd_base * and tx_bd_base always point to the currently available buffer. * The dirty_tx tracks the current buffer that is being sent by the * controller. The cur_tx and dirty_tx are equal under both completely * empty and completely full conditions. The empty/ready indicator in * the buffer descriptor determines the actual condition. */ struct gfar_private { /* Fields controlled by TX lock */ spinlock_t txlock; /* Pointer to the array of skbuffs */ struct sk_buff ** tx_skbuff; /* next free skb in the array */ u16 skb_curtx; /* First skb in line to be transmitted */ u16 skb_dirtytx; /* Configuration info for the coalescing features */ unsigned char txcoalescing; unsigned long txic; /* Buffer descriptor pointers */ dma_addr_t tx_bd_dma_base; struct txbd8 *tx_bd_base; /* First tx buffer descriptor */ struct txbd8 *cur_tx; /* Next free ring entry */ struct txbd8 *dirty_tx; /* First buffer in line to be transmitted */ unsigned int tx_ring_size; unsigned int num_txbdfree; /* number of TxBDs free */ /* RX Locked fields */ spinlock_t rxlock; struct device_node *node; struct net_device *ndev; struct of_device *ofdev; struct napi_struct napi; /* skb array and index */ struct sk_buff ** rx_skbuff; u16 skb_currx; /* RX Coalescing values */ unsigned char rxcoalescing; unsigned long rxic; struct rxbd8 *rx_bd_base; /* First Rx buffers */ struct rxbd8 *cur_rx; /* Next free rx ring entry */ /* RX parameters */ unsigned int rx_ring_size; unsigned int rx_buffer_size; unsigned int rx_stash_size; unsigned int rx_stash_index; struct sk_buff_head rx_recycle; struct vlan_group *vlgrp; /* Unprotected fields */ /* Pointer to the GFAR memory mapped Registers */ struct gfar __iomem *regs; /* Hash registers and their width */ u32 __iomem *hash_regs[16]; int hash_width; /* global parameters */ unsigned int fifo_threshold; unsigned int fifo_starve; unsigned int fifo_starve_off; /* Bitfield update lock */ spinlock_t bflock; phy_interface_t interface; struct device_node *phy_node; struct device_node *tbi_node; u32 device_flags; unsigned char rx_csum_enable:1, extended_hash:1, bd_stash_en:1, wol_en:1; /* Wake-on-LAN enabled */ unsigned short padding; unsigned int interruptTransmit; unsigned int interruptReceive; unsigned int interruptError; /* PHY stuff */ struct phy_device *phydev; struct mii_bus *mii_bus; int oldspeed; int oldduplex; int oldlink; uint32_t msg_enable; struct work_struct reset_task; char int_name_tx[GFAR_INT_NAME_MAX]; char int_name_rx[GFAR_INT_NAME_MAX]; char int_name_er[GFAR_INT_NAME_MAX]; /* Network Statistics */ struct gfar_extra_stats extra_stats; }; static inline u32 gfar_read(volatile unsigned __iomem *addr) { u32 val; val = in_be32(addr); return val; } static inline void gfar_write(volatile unsigned __iomem *addr, u32 val) { out_be32(addr, val); } extern irqreturn_t gfar_receive(int irq, void *dev_id); extern int startup_gfar(struct net_device *dev); extern void stop_gfar(struct net_device *dev); extern void gfar_halt(struct net_device *dev); extern void gfar_phy_test(struct mii_bus *bus, struct phy_device *phydev, int enable, u32 regnum, u32 read); void gfar_init_sysfs(struct net_device *dev); extern const struct ethtool_ops gfar_ethtool_ops; #endif /* __GIANFAR_H */