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linux/drivers/net/via-velocity.h
Jay Cliburn 83055d46e5 via-velocity: allow MTU size less than 1500 bytes 
Change the minimum allowable MTU size from 1500 bytes to 64 bytes.

Signed-off-by: Jay Cliburn <jacliburn@bellsouth.net>
2006-05-27 21:26:13 +02:00

1880 lines
49 KiB
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/*
* Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
* All rights reserved.
*
* This software may be redistributed and/or modified under
* the terms of the GNU General Public License as published by the Free
* Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* File: via-velocity.h
*
* Purpose: Header file to define driver's private structures.
*
* Author: Chuang Liang-Shing, AJ Jiang
*
* Date: Jan 24, 2003
*/
#ifndef VELOCITY_H
#define VELOCITY_H
#define VELOCITY_TX_CSUM_SUPPORT
#define VELOCITY_NAME "via-velocity"
#define VELOCITY_FULL_DRV_NAM "VIA Networking Velocity Family Gigabit Ethernet Adapter Driver"
#define VELOCITY_VERSION "1.13"
#define PKT_BUF_SZ 1540
#define MAX_UNITS 8
#define OPTION_DEFAULT { [0 ... MAX_UNITS-1] = -1}
#define REV_ID_VT6110 (0)
#define BYTE_REG_BITS_ON(x,p) do { writeb(readb((p))|(x),(p));} while (0)
#define WORD_REG_BITS_ON(x,p) do { writew(readw((p))|(x),(p));} while (0)
#define DWORD_REG_BITS_ON(x,p) do { writel(readl((p))|(x),(p));} while (0)
#define BYTE_REG_BITS_IS_ON(x,p) (readb((p)) & (x))
#define WORD_REG_BITS_IS_ON(x,p) (readw((p)) & (x))
#define DWORD_REG_BITS_IS_ON(x,p) (readl((p)) & (x))
#define BYTE_REG_BITS_OFF(x,p) do { writeb(readb((p)) & (~(x)),(p));} while (0)
#define WORD_REG_BITS_OFF(x,p) do { writew(readw((p)) & (~(x)),(p));} while (0)
#define DWORD_REG_BITS_OFF(x,p) do { writel(readl((p)) & (~(x)),(p));} while (0)
#define BYTE_REG_BITS_SET(x,m,p) do { writeb( (readb((p)) & (~(m))) |(x),(p));} while (0)
#define WORD_REG_BITS_SET(x,m,p) do { writew( (readw((p)) & (~(m))) |(x),(p));} while (0)
#define DWORD_REG_BITS_SET(x,m,p) do { writel( (readl((p)) & (~(m)))|(x),(p));} while (0)
#define VAR_USED(p) do {(p)=(p);} while (0)
/*
* Purpose: Structures for MAX RX/TX descriptors.
*/
#define B_OWNED_BY_CHIP 1
#define B_OWNED_BY_HOST 0
/*
* Bits in the RSR0 register
*/
#define RSR_DETAG 0x0080
#define RSR_SNTAG 0x0040
#define RSR_RXER 0x0020
#define RSR_RL 0x0010
#define RSR_CE 0x0008
#define RSR_FAE 0x0004
#define RSR_CRC 0x0002
#define RSR_VIDM 0x0001
/*
* Bits in the RSR1 register
*/
#define RSR_RXOK 0x8000 // rx OK
#define RSR_PFT 0x4000 // Perfect filtering address match
#define RSR_MAR 0x2000 // MAC accept multicast address packet
#define RSR_BAR 0x1000 // MAC accept broadcast address packet
#define RSR_PHY 0x0800 // MAC accept physical address packet
#define RSR_VTAG 0x0400 // 802.1p/1q tagging packet indicator
#define RSR_STP 0x0200 // start of packet
#define RSR_EDP 0x0100 // end of packet
/*
* Bits in the RSR1 register
*/
#define RSR1_RXOK 0x80 // rx OK
#define RSR1_PFT 0x40 // Perfect filtering address match
#define RSR1_MAR 0x20 // MAC accept multicast address packet
#define RSR1_BAR 0x10 // MAC accept broadcast address packet
#define RSR1_PHY 0x08 // MAC accept physical address packet
#define RSR1_VTAG 0x04 // 802.1p/1q tagging packet indicator
#define RSR1_STP 0x02 // start of packet
#define RSR1_EDP 0x01 // end of packet
/*
* Bits in the CSM register
*/
#define CSM_IPOK 0x40 //IP Checkusm validatiaon ok
#define CSM_TUPOK 0x20 //TCP/UDP Checkusm validatiaon ok
#define CSM_FRAG 0x10 //Fragment IP datagram
#define CSM_IPKT 0x04 //Received an IP packet
#define CSM_TCPKT 0x02 //Received a TCP packet
#define CSM_UDPKT 0x01 //Received a UDP packet
/*
* Bits in the TSR0 register
*/
#define TSR0_ABT 0x0080 // Tx abort because of excessive collision
#define TSR0_OWT 0x0040 // Jumbo frame Tx abort
#define TSR0_OWC 0x0020 // Out of window collision
#define TSR0_COLS 0x0010 // experience collision in this transmit event
#define TSR0_NCR3 0x0008 // collision retry counter[3]
#define TSR0_NCR2 0x0004 // collision retry counter[2]
#define TSR0_NCR1 0x0002 // collision retry counter[1]
#define TSR0_NCR0 0x0001 // collision retry counter[0]
#define TSR0_TERR 0x8000 //
#define TSR0_FDX 0x4000 // current transaction is serviced by full duplex mode
#define TSR0_GMII 0x2000 // current transaction is serviced by GMII mode
#define TSR0_LNKFL 0x1000 // packet serviced during link down
#define TSR0_SHDN 0x0400 // shutdown case
#define TSR0_CRS 0x0200 // carrier sense lost
#define TSR0_CDH 0x0100 // AQE test fail (CD heartbeat)
/*
* Bits in the TSR1 register
*/
#define TSR1_TERR 0x80 //
#define TSR1_FDX 0x40 // current transaction is serviced by full duplex mode
#define TSR1_GMII 0x20 // current transaction is serviced by GMII mode
#define TSR1_LNKFL 0x10 // packet serviced during link down
#define TSR1_SHDN 0x04 // shutdown case
#define TSR1_CRS 0x02 // carrier sense lost
#define TSR1_CDH 0x01 // AQE test fail (CD heartbeat)
//
// Bits in the TCR0 register
//
#define TCR0_TIC 0x80 // assert interrupt immediately while descriptor has been send complete
#define TCR0_PIC 0x40 // priority interrupt request, INA# is issued over adaptive interrupt scheme
#define TCR0_VETAG 0x20 // enable VLAN tag
#define TCR0_IPCK 0x10 // request IP checksum calculation.
#define TCR0_UDPCK 0x08 // request UDP checksum calculation.
#define TCR0_TCPCK 0x04 // request TCP checksum calculation.
#define TCR0_JMBO 0x02 // indicate a jumbo packet in GMAC side
#define TCR0_CRC 0x01 // disable CRC generation
#define TCPLS_NORMAL 3
#define TCPLS_START 2
#define TCPLS_END 1
#define TCPLS_MED 0
// max transmit or receive buffer size
#define CB_RX_BUF_SIZE 2048UL // max buffer size
// NOTE: must be multiple of 4
#define CB_MAX_RD_NUM 512 // MAX # of RD
#define CB_MAX_TD_NUM 256 // MAX # of TD
#define CB_INIT_RD_NUM_3119 128 // init # of RD, for setup VT3119
#define CB_INIT_TD_NUM_3119 64 // init # of TD, for setup VT3119
#define CB_INIT_RD_NUM 128 // init # of RD, for setup default
#define CB_INIT_TD_NUM 64 // init # of TD, for setup default
// for 3119
#define CB_TD_RING_NUM 4 // # of TD rings.
#define CB_MAX_SEG_PER_PKT 7 // max data seg per packet (Tx)
/*
* If collisions excess 15 times , tx will abort, and
* if tx fifo underflow, tx will fail
* we should try to resend it
*/
#define CB_MAX_TX_ABORT_RETRY 3
/*
* Receive descriptor
*/
struct rdesc0 {
u16 RSR; /* Receive status */
u16 len:14; /* Received packet length */
u16 reserved:1;
u16 owner:1; /* Who owns this buffer ? */
};
struct rdesc1 {
u16 PQTAG;
u8 CSM;
u8 IPKT;
};
struct rx_desc {
struct rdesc0 rdesc0;
struct rdesc1 rdesc1;
u32 pa_low; /* Low 32 bit PCI address */
u16 pa_high; /* Next 16 bit PCI address (48 total) */
u16 len:15; /* Frame size */
u16 inten:1; /* Enable interrupt */
} __attribute__ ((__packed__));
/*
* Transmit descriptor
*/
struct tdesc0 {
u16 TSR; /* Transmit status register */
u16 pktsize:14; /* Size of frame */
u16 reserved:1;
u16 owner:1; /* Who owns the buffer */
};
struct pqinf { /* Priority queue info */
u16 VID:12;
u16 CFI:1;
u16 priority:3;
} __attribute__ ((__packed__));
struct tdesc1 {
struct pqinf pqinf;
u8 TCR;
u8 TCPLS:2;
u8 reserved:2;
u8 CMDZ:4;
} __attribute__ ((__packed__));
struct td_buf {
u32 pa_low;
u16 pa_high;
u16 bufsize:14;
u16 reserved:1;
u16 queue:1;
} __attribute__ ((__packed__));
struct tx_desc {
struct tdesc0 tdesc0;
struct tdesc1 tdesc1;
struct td_buf td_buf[7];
};
struct velocity_rd_info {
struct sk_buff *skb;
dma_addr_t skb_dma;
};
/**
* alloc_rd_info - allocate an rd info block
*
* Alocate and initialize a receive info structure used for keeping
* track of kernel side information related to each receive
* descriptor we are using
*/
static inline struct velocity_rd_info *alloc_rd_info(void)
{
struct velocity_rd_info *ptr;
if ((ptr = kmalloc(sizeof(struct velocity_rd_info), GFP_ATOMIC)) == NULL)
return NULL;
else {
memset(ptr, 0, sizeof(struct velocity_rd_info));
return ptr;
}
}
/*
* Used to track transmit side buffers.
*/
struct velocity_td_info {
struct sk_buff *skb;
u8 *buf;
int nskb_dma;
dma_addr_t skb_dma[7];
dma_addr_t buf_dma;
};
enum velocity_owner {
OWNED_BY_HOST = 0,
OWNED_BY_NIC = 1
};
/*
* MAC registers and macros.
*/
#define MCAM_SIZE 64
#define VCAM_SIZE 64
#define TX_QUEUE_NO 4
#define MAX_HW_MIB_COUNTER 32
#define VELOCITY_MIN_MTU (64)
#define VELOCITY_MAX_MTU (9000)
/*
* Registers in the MAC
*/
#define MAC_REG_PAR 0x00 // physical address
#define MAC_REG_RCR 0x06
#define MAC_REG_TCR 0x07
#define MAC_REG_CR0_SET 0x08
#define MAC_REG_CR1_SET 0x09
#define MAC_REG_CR2_SET 0x0A
#define MAC_REG_CR3_SET 0x0B
#define MAC_REG_CR0_CLR 0x0C
#define MAC_REG_CR1_CLR 0x0D
#define MAC_REG_CR2_CLR 0x0E
#define MAC_REG_CR3_CLR 0x0F
#define MAC_REG_MAR 0x10
#define MAC_REG_CAM 0x10
#define MAC_REG_DEC_BASE_HI 0x18
#define MAC_REG_DBF_BASE_HI 0x1C
#define MAC_REG_ISR_CTL 0x20
#define MAC_REG_ISR_HOTMR 0x20
#define MAC_REG_ISR_TSUPTHR 0x20
#define MAC_REG_ISR_RSUPTHR 0x20
#define MAC_REG_ISR_CTL1 0x21
#define MAC_REG_TXE_SR 0x22
#define MAC_REG_RXE_SR 0x23
#define MAC_REG_ISR 0x24
#define MAC_REG_ISR0 0x24
#define MAC_REG_ISR1 0x25
#define MAC_REG_ISR2 0x26
#define MAC_REG_ISR3 0x27
#define MAC_REG_IMR 0x28
#define MAC_REG_IMR0 0x28
#define MAC_REG_IMR1 0x29
#define MAC_REG_IMR2 0x2A
#define MAC_REG_IMR3 0x2B
#define MAC_REG_TDCSR_SET 0x30
#define MAC_REG_RDCSR_SET 0x32
#define MAC_REG_TDCSR_CLR 0x34
#define MAC_REG_RDCSR_CLR 0x36
#define MAC_REG_RDBASE_LO 0x38
#define MAC_REG_RDINDX 0x3C
#define MAC_REG_TDBASE_LO 0x40
#define MAC_REG_RDCSIZE 0x50
#define MAC_REG_TDCSIZE 0x52
#define MAC_REG_TDINDX 0x54
#define MAC_REG_TDIDX0 0x54
#define MAC_REG_TDIDX1 0x56
#define MAC_REG_TDIDX2 0x58
#define MAC_REG_TDIDX3 0x5A
#define MAC_REG_PAUSE_TIMER 0x5C
#define MAC_REG_RBRDU 0x5E
#define MAC_REG_FIFO_TEST0 0x60
#define MAC_REG_FIFO_TEST1 0x64
#define MAC_REG_CAMADDR 0x68
#define MAC_REG_CAMCR 0x69
#define MAC_REG_GFTEST 0x6A
#define MAC_REG_FTSTCMD 0x6B
#define MAC_REG_MIICFG 0x6C
#define MAC_REG_MIISR 0x6D
#define MAC_REG_PHYSR0 0x6E
#define MAC_REG_PHYSR1 0x6F
#define MAC_REG_MIICR 0x70
#define MAC_REG_MIIADR 0x71
#define MAC_REG_MIIDATA 0x72
#define MAC_REG_SOFT_TIMER0 0x74
#define MAC_REG_SOFT_TIMER1 0x76
#define MAC_REG_CFGA 0x78
#define MAC_REG_CFGB 0x79
#define MAC_REG_CFGC 0x7A
#define MAC_REG_CFGD 0x7B
#define MAC_REG_DCFG0 0x7C
#define MAC_REG_DCFG1 0x7D
#define MAC_REG_MCFG0 0x7E
#define MAC_REG_MCFG1 0x7F
#define MAC_REG_TBIST 0x80
#define MAC_REG_RBIST 0x81
#define MAC_REG_PMCC 0x82
#define MAC_REG_STICKHW 0x83
#define MAC_REG_MIBCR 0x84
#define MAC_REG_EERSV 0x85
#define MAC_REG_REVID 0x86
#define MAC_REG_MIBREAD 0x88
#define MAC_REG_BPMA 0x8C
#define MAC_REG_EEWR_DATA 0x8C
#define MAC_REG_BPMD_WR 0x8F
#define MAC_REG_BPCMD 0x90
#define MAC_REG_BPMD_RD 0x91
#define MAC_REG_EECHKSUM 0x92
#define MAC_REG_EECSR 0x93
#define MAC_REG_EERD_DATA 0x94
#define MAC_REG_EADDR 0x96
#define MAC_REG_EMBCMD 0x97
#define MAC_REG_JMPSR0 0x98
#define MAC_REG_JMPSR1 0x99
#define MAC_REG_JMPSR2 0x9A
#define MAC_REG_JMPSR3 0x9B
#define MAC_REG_CHIPGSR 0x9C
#define MAC_REG_TESTCFG 0x9D
#define MAC_REG_DEBUG 0x9E
#define MAC_REG_CHIPGCR 0x9F
#define MAC_REG_WOLCR0_SET 0xA0
#define MAC_REG_WOLCR1_SET 0xA1
#define MAC_REG_PWCFG_SET 0xA2
#define MAC_REG_WOLCFG_SET 0xA3
#define MAC_REG_WOLCR0_CLR 0xA4
#define MAC_REG_WOLCR1_CLR 0xA5
#define MAC_REG_PWCFG_CLR 0xA6
#define MAC_REG_WOLCFG_CLR 0xA7
#define MAC_REG_WOLSR0_SET 0xA8
#define MAC_REG_WOLSR1_SET 0xA9
#define MAC_REG_WOLSR0_CLR 0xAC
#define MAC_REG_WOLSR1_CLR 0xAD
#define MAC_REG_PATRN_CRC0 0xB0
#define MAC_REG_PATRN_CRC1 0xB2
#define MAC_REG_PATRN_CRC2 0xB4
#define MAC_REG_PATRN_CRC3 0xB6
#define MAC_REG_PATRN_CRC4 0xB8
#define MAC_REG_PATRN_CRC5 0xBA
#define MAC_REG_PATRN_CRC6 0xBC
#define MAC_REG_PATRN_CRC7 0xBE
#define MAC_REG_BYTEMSK0_0 0xC0
#define MAC_REG_BYTEMSK0_1 0xC4
#define MAC_REG_BYTEMSK0_2 0xC8
#define MAC_REG_BYTEMSK0_3 0xCC
#define MAC_REG_BYTEMSK1_0 0xD0
#define MAC_REG_BYTEMSK1_1 0xD4
#define MAC_REG_BYTEMSK1_2 0xD8
#define MAC_REG_BYTEMSK1_3 0xDC
#define MAC_REG_BYTEMSK2_0 0xE0
#define MAC_REG_BYTEMSK2_1 0xE4
#define MAC_REG_BYTEMSK2_2 0xE8
#define MAC_REG_BYTEMSK2_3 0xEC
#define MAC_REG_BYTEMSK3_0 0xF0
#define MAC_REG_BYTEMSK3_1 0xF4
#define MAC_REG_BYTEMSK3_2 0xF8
#define MAC_REG_BYTEMSK3_3 0xFC
/*
* Bits in the RCR register
*/
#define RCR_AS 0x80
#define RCR_AP 0x40
#define RCR_AL 0x20
#define RCR_PROM 0x10
#define RCR_AB 0x08
#define RCR_AM 0x04
#define RCR_AR 0x02
#define RCR_SEP 0x01
/*
* Bits in the TCR register
*/
#define TCR_TB2BDIS 0x80
#define TCR_COLTMC1 0x08
#define TCR_COLTMC0 0x04
#define TCR_LB1 0x02 /* loopback[1] */
#define TCR_LB0 0x01 /* loopback[0] */
/*
* Bits in the CR0 register
*/
#define CR0_TXON 0x00000008UL
#define CR0_RXON 0x00000004UL
#define CR0_STOP 0x00000002UL /* stop MAC, default = 1 */
#define CR0_STRT 0x00000001UL /* start MAC */
#define CR0_SFRST 0x00008000UL /* software reset */
#define CR0_TM1EN 0x00004000UL
#define CR0_TM0EN 0x00002000UL
#define CR0_DPOLL 0x00000800UL /* disable rx/tx auto polling */
#define CR0_DISAU 0x00000100UL
#define CR0_XONEN 0x00800000UL
#define CR0_FDXTFCEN 0x00400000UL /* full-duplex TX flow control enable */
#define CR0_FDXRFCEN 0x00200000UL /* full-duplex RX flow control enable */
#define CR0_HDXFCEN 0x00100000UL /* half-duplex flow control enable */
#define CR0_XHITH1 0x00080000UL /* TX XON high threshold 1 */
#define CR0_XHITH0 0x00040000UL /* TX XON high threshold 0 */
#define CR0_XLTH1 0x00020000UL /* TX pause frame low threshold 1 */
#define CR0_XLTH0 0x00010000UL /* TX pause frame low threshold 0 */
#define CR0_GSPRST 0x80000000UL
#define CR0_FORSRST 0x40000000UL
#define CR0_FPHYRST 0x20000000UL
#define CR0_DIAG 0x10000000UL
#define CR0_INTPCTL 0x04000000UL
#define CR0_GINTMSK1 0x02000000UL
#define CR0_GINTMSK0 0x01000000UL
/*
* Bits in the CR1 register
*/
#define CR1_SFRST 0x80 /* software reset */
#define CR1_TM1EN 0x40
#define CR1_TM0EN 0x20
#define CR1_DPOLL 0x08 /* disable rx/tx auto polling */
#define CR1_DISAU 0x01
/*
* Bits in the CR2 register
*/
#define CR2_XONEN 0x80
#define CR2_FDXTFCEN 0x40 /* full-duplex TX flow control enable */
#define CR2_FDXRFCEN 0x20 /* full-duplex RX flow control enable */
#define CR2_HDXFCEN 0x10 /* half-duplex flow control enable */
#define CR2_XHITH1 0x08 /* TX XON high threshold 1 */
#define CR2_XHITH0 0x04 /* TX XON high threshold 0 */
#define CR2_XLTH1 0x02 /* TX pause frame low threshold 1 */
#define CR2_XLTH0 0x01 /* TX pause frame low threshold 0 */
/*
* Bits in the CR3 register
*/
#define CR3_GSPRST 0x80
#define CR3_FORSRST 0x40
#define CR3_FPHYRST 0x20
#define CR3_DIAG 0x10
#define CR3_INTPCTL 0x04
#define CR3_GINTMSK1 0x02
#define CR3_GINTMSK0 0x01
#define ISRCTL_UDPINT 0x8000
#define ISRCTL_TSUPDIS 0x4000
#define ISRCTL_RSUPDIS 0x2000
#define ISRCTL_PMSK1 0x1000
#define ISRCTL_PMSK0 0x0800
#define ISRCTL_INTPD 0x0400
#define ISRCTL_HCRLD 0x0200
#define ISRCTL_SCRLD 0x0100
/*
* Bits in the ISR_CTL1 register
*/
#define ISRCTL1_UDPINT 0x80
#define ISRCTL1_TSUPDIS 0x40
#define ISRCTL1_RSUPDIS 0x20
#define ISRCTL1_PMSK1 0x10
#define ISRCTL1_PMSK0 0x08
#define ISRCTL1_INTPD 0x04
#define ISRCTL1_HCRLD 0x02
#define ISRCTL1_SCRLD 0x01
/*
* Bits in the TXE_SR register
*/
#define TXESR_TFDBS 0x08
#define TXESR_TDWBS 0x04
#define TXESR_TDRBS 0x02
#define TXESR_TDSTR 0x01
/*
* Bits in the RXE_SR register
*/
#define RXESR_RFDBS 0x08
#define RXESR_RDWBS 0x04
#define RXESR_RDRBS 0x02
#define RXESR_RDSTR 0x01
/*
* Bits in the ISR register
*/
#define ISR_ISR3 0x80000000UL
#define ISR_ISR2 0x40000000UL
#define ISR_ISR1 0x20000000UL
#define ISR_ISR0 0x10000000UL
#define ISR_TXSTLI 0x02000000UL
#define ISR_RXSTLI 0x01000000UL
#define ISR_HFLD 0x00800000UL
#define ISR_UDPI 0x00400000UL
#define ISR_MIBFI 0x00200000UL
#define ISR_SHDNI 0x00100000UL
#define ISR_PHYI 0x00080000UL
#define ISR_PWEI 0x00040000UL
#define ISR_TMR1I 0x00020000UL
#define ISR_TMR0I 0x00010000UL
#define ISR_SRCI 0x00008000UL
#define ISR_LSTPEI 0x00004000UL
#define ISR_LSTEI 0x00002000UL
#define ISR_OVFI 0x00001000UL
#define ISR_FLONI 0x00000800UL
#define ISR_RACEI 0x00000400UL
#define ISR_TXWB1I 0x00000200UL
#define ISR_TXWB0I 0x00000100UL
#define ISR_PTX3I 0x00000080UL
#define ISR_PTX2I 0x00000040UL
#define ISR_PTX1I 0x00000020UL
#define ISR_PTX0I 0x00000010UL
#define ISR_PTXI 0x00000008UL
#define ISR_PRXI 0x00000004UL
#define ISR_PPTXI 0x00000002UL
#define ISR_PPRXI 0x00000001UL
/*
* Bits in the IMR register
*/
#define IMR_TXSTLM 0x02000000UL
#define IMR_UDPIM 0x00400000UL
#define IMR_MIBFIM 0x00200000UL
#define IMR_SHDNIM 0x00100000UL
#define IMR_PHYIM 0x00080000UL
#define IMR_PWEIM 0x00040000UL
#define IMR_TMR1IM 0x00020000UL
#define IMR_TMR0IM 0x00010000UL
#define IMR_SRCIM 0x00008000UL
#define IMR_LSTPEIM 0x00004000UL
#define IMR_LSTEIM 0x00002000UL
#define IMR_OVFIM 0x00001000UL
#define IMR_FLONIM 0x00000800UL
#define IMR_RACEIM 0x00000400UL
#define IMR_TXWB1IM 0x00000200UL
#define IMR_TXWB0IM 0x00000100UL
#define IMR_PTX3IM 0x00000080UL
#define IMR_PTX2IM 0x00000040UL
#define IMR_PTX1IM 0x00000020UL
#define IMR_PTX0IM 0x00000010UL
#define IMR_PTXIM 0x00000008UL
#define IMR_PRXIM 0x00000004UL
#define IMR_PPTXIM 0x00000002UL
#define IMR_PPRXIM 0x00000001UL
/* 0x0013FB0FUL = initial value of IMR */
#define INT_MASK_DEF (IMR_PPTXIM|IMR_PPRXIM|IMR_PTXIM|IMR_PRXIM|\
IMR_PWEIM|IMR_TXWB0IM|IMR_TXWB1IM|IMR_FLONIM|\
IMR_OVFIM|IMR_LSTEIM|IMR_LSTPEIM|IMR_SRCIM|IMR_MIBFIM|\
IMR_SHDNIM|IMR_TMR1IM|IMR_TMR0IM|IMR_TXSTLM)
/*
* Bits in the TDCSR0/1, RDCSR0 register
*/
#define TRDCSR_DEAD 0x0008
#define TRDCSR_WAK 0x0004
#define TRDCSR_ACT 0x0002
#define TRDCSR_RUN 0x0001
/*
* Bits in the CAMADDR register
*/
#define CAMADDR_CAMEN 0x80
#define CAMADDR_VCAMSL 0x40
/*
* Bits in the CAMCR register
*/
#define CAMCR_PS1 0x80
#define CAMCR_PS0 0x40
#define CAMCR_AITRPKT 0x20
#define CAMCR_AITR16 0x10
#define CAMCR_CAMRD 0x08
#define CAMCR_CAMWR 0x04
#define CAMCR_PS_CAM_MASK 0x40
#define CAMCR_PS_CAM_DATA 0x80
#define CAMCR_PS_MAR 0x00
/*
* Bits in the MIICFG register
*/
#define MIICFG_MPO1 0x80
#define MIICFG_MPO0 0x40
#define MIICFG_MFDC 0x20
/*
* Bits in the MIISR register
*/
#define MIISR_MIDLE 0x80
/*
* Bits in the PHYSR0 register
*/
#define PHYSR0_PHYRST 0x80
#define PHYSR0_LINKGD 0x40
#define PHYSR0_FDPX 0x10
#define PHYSR0_SPDG 0x08
#define PHYSR0_SPD10 0x04
#define PHYSR0_RXFLC 0x02
#define PHYSR0_TXFLC 0x01
/*
* Bits in the PHYSR1 register
*/
#define PHYSR1_PHYTBI 0x01
/*
* Bits in the MIICR register
*/
#define MIICR_MAUTO 0x80
#define MIICR_RCMD 0x40
#define MIICR_WCMD 0x20
#define MIICR_MDPM 0x10
#define MIICR_MOUT 0x08
#define MIICR_MDO 0x04
#define MIICR_MDI 0x02
#define MIICR_MDC 0x01
/*
* Bits in the MIIADR register
*/
#define MIIADR_SWMPL 0x80
/*
* Bits in the CFGA register
*/
#define CFGA_PMHCTG 0x08
#define CFGA_GPIO1PD 0x04
#define CFGA_ABSHDN 0x02
#define CFGA_PACPI 0x01
/*
* Bits in the CFGB register
*/
#define CFGB_GTCKOPT 0x80
#define CFGB_MIIOPT 0x40
#define CFGB_CRSEOPT 0x20
#define CFGB_OFSET 0x10
#define CFGB_CRANDOM 0x08
#define CFGB_CAP 0x04
#define CFGB_MBA 0x02
#define CFGB_BAKOPT 0x01
/*
* Bits in the CFGC register
*/
#define CFGC_EELOAD 0x80
#define CFGC_BROPT 0x40
#define CFGC_DLYEN 0x20
#define CFGC_DTSEL 0x10
#define CFGC_BTSEL 0x08
#define CFGC_BPS2 0x04 /* bootrom select[2] */
#define CFGC_BPS1 0x02 /* bootrom select[1] */
#define CFGC_BPS0 0x01 /* bootrom select[0] */
/*
* Bits in the CFGD register
*/
#define CFGD_IODIS 0x80
#define CFGD_MSLVDACEN 0x40
#define CFGD_CFGDACEN 0x20
#define CFGD_PCI64EN 0x10
#define CFGD_HTMRL4 0x08
/*
* Bits in the DCFG1 register
*/
#define DCFG_XMWI 0x8000
#define DCFG_XMRM 0x4000
#define DCFG_XMRL 0x2000
#define DCFG_PERDIS 0x1000
#define DCFG_MRWAIT 0x0400
#define DCFG_MWWAIT 0x0200
#define DCFG_LATMEN 0x0100
/*
* Bits in the MCFG0 register
*/
#define MCFG_RXARB 0x0080
#define MCFG_RFT1 0x0020
#define MCFG_RFT0 0x0010
#define MCFG_LOWTHOPT 0x0008
#define MCFG_PQEN 0x0004
#define MCFG_RTGOPT 0x0002
#define MCFG_VIDFR 0x0001
/*
* Bits in the MCFG1 register
*/
#define MCFG_TXARB 0x8000
#define MCFG_TXQBK1 0x0800
#define MCFG_TXQBK0 0x0400
#define MCFG_TXQNOBK 0x0200
#define MCFG_SNAPOPT 0x0100
/*
* Bits in the PMCC register
*/
#define PMCC_DSI 0x80
#define PMCC_D2_DIS 0x40
#define PMCC_D1_DIS 0x20
#define PMCC_D3C_EN 0x10
#define PMCC_D3H_EN 0x08
#define PMCC_D2_EN 0x04
#define PMCC_D1_EN 0x02
#define PMCC_D0_EN 0x01
/*
* Bits in STICKHW
*/
#define STICKHW_SWPTAG 0x10
#define STICKHW_WOLSR 0x08
#define STICKHW_WOLEN 0x04
#define STICKHW_DS1 0x02 /* R/W by software/cfg cycle */
#define STICKHW_DS0 0x01 /* suspend well DS write port */
/*
* Bits in the MIBCR register
*/
#define MIBCR_MIBISTOK 0x80
#define MIBCR_MIBISTGO 0x40
#define MIBCR_MIBINC 0x20
#define MIBCR_MIBHI 0x10
#define MIBCR_MIBFRZ 0x08
#define MIBCR_MIBFLSH 0x04
#define MIBCR_MPTRINI 0x02
#define MIBCR_MIBCLR 0x01
/*
* Bits in the EERSV register
*/
#define EERSV_BOOT_RPL ((u8) 0x01) /* Boot method selection for VT6110 */
#define EERSV_BOOT_MASK ((u8) 0x06)
#define EERSV_BOOT_INT19 ((u8) 0x00)
#define EERSV_BOOT_INT18 ((u8) 0x02)
#define EERSV_BOOT_LOCAL ((u8) 0x04)
#define EERSV_BOOT_BEV ((u8) 0x06)
/*
* Bits in BPCMD
*/
#define BPCMD_BPDNE 0x80
#define BPCMD_EBPWR 0x02
#define BPCMD_EBPRD 0x01
/*
* Bits in the EECSR register
*/
#define EECSR_EMBP 0x40 /* eeprom embeded programming */
#define EECSR_RELOAD 0x20 /* eeprom content reload */
#define EECSR_DPM 0x10 /* eeprom direct programming */
#define EECSR_ECS 0x08 /* eeprom CS pin */
#define EECSR_ECK 0x04 /* eeprom CK pin */
#define EECSR_EDI 0x02 /* eeprom DI pin */
#define EECSR_EDO 0x01 /* eeprom DO pin */
/*
* Bits in the EMBCMD register
*/
#define EMBCMD_EDONE 0x80
#define EMBCMD_EWDIS 0x08
#define EMBCMD_EWEN 0x04
#define EMBCMD_EWR 0x02
#define EMBCMD_ERD 0x01
/*
* Bits in TESTCFG register
*/
#define TESTCFG_HBDIS 0x80
/*
* Bits in CHIPGCR register
*/
#define CHIPGCR_FCGMII 0x80
#define CHIPGCR_FCFDX 0x40
#define CHIPGCR_FCRESV 0x20
#define CHIPGCR_FCMODE 0x10
#define CHIPGCR_LPSOPT 0x08
#define CHIPGCR_TM1US 0x04
#define CHIPGCR_TM0US 0x02
#define CHIPGCR_PHYINTEN 0x01
/*
* Bits in WOLCR0
*/
#define WOLCR_MSWOLEN7 0x0080 /* enable pattern match filtering */
#define WOLCR_MSWOLEN6 0x0040
#define WOLCR_MSWOLEN5 0x0020
#define WOLCR_MSWOLEN4 0x0010
#define WOLCR_MSWOLEN3 0x0008
#define WOLCR_MSWOLEN2 0x0004
#define WOLCR_MSWOLEN1 0x0002
#define WOLCR_MSWOLEN0 0x0001
#define WOLCR_ARP_EN 0x0001
/*
* Bits in WOLCR1
*/
#define WOLCR_LINKOFF_EN 0x0800 /* link off detected enable */
#define WOLCR_LINKON_EN 0x0400 /* link on detected enable */
#define WOLCR_MAGIC_EN 0x0200 /* magic packet filter enable */
#define WOLCR_UNICAST_EN 0x0100 /* unicast filter enable */
/*
* Bits in PWCFG
*/
#define PWCFG_PHYPWOPT 0x80 /* internal MII I/F timing */
#define PWCFG_PCISTICK 0x40 /* PCI sticky R/W enable */
#define PWCFG_WOLTYPE 0x20 /* pulse(1) or button (0) */
#define PWCFG_LEGCY_WOL 0x10
#define PWCFG_PMCSR_PME_SR 0x08
#define PWCFG_PMCSR_PME_EN 0x04 /* control by PCISTICK */
#define PWCFG_LEGACY_WOLSR 0x02 /* Legacy WOL_SR shadow */
#define PWCFG_LEGACY_WOLEN 0x01 /* Legacy WOL_EN shadow */
/*
* Bits in WOLCFG
*/
#define WOLCFG_PMEOVR 0x80 /* for legacy use, force PMEEN always */
#define WOLCFG_SAM 0x20 /* accept multicast case reset, default=0 */
#define WOLCFG_SAB 0x10 /* accept broadcast case reset, default=0 */
#define WOLCFG_SMIIACC 0x08 /* ?? */
#define WOLCFG_SGENWH 0x02
#define WOLCFG_PHYINTEN 0x01 /* 0:PHYINT trigger enable, 1:use internal MII
to report status change */
/*
* Bits in WOLSR1
*/
#define WOLSR_LINKOFF_INT 0x0800
#define WOLSR_LINKON_INT 0x0400
#define WOLSR_MAGIC_INT 0x0200
#define WOLSR_UNICAST_INT 0x0100
/*
* Ethernet address filter type
*/
#define PKT_TYPE_NONE 0x0000 /* Turn off receiver */
#define PKT_TYPE_DIRECTED 0x0001 /* obselete, directed address is always accepted */
#define PKT_TYPE_MULTICAST 0x0002
#define PKT_TYPE_ALL_MULTICAST 0x0004
#define PKT_TYPE_BROADCAST 0x0008
#define PKT_TYPE_PROMISCUOUS 0x0020
#define PKT_TYPE_LONG 0x2000 /* NOTE.... the definition of LONG is >2048 bytes in our chip */
#define PKT_TYPE_RUNT 0x4000
#define PKT_TYPE_ERROR 0x8000 /* Accept error packets, e.g. CRC error */
/*
* Loopback mode
*/
#define MAC_LB_NONE 0x00
#define MAC_LB_INTERNAL 0x01
#define MAC_LB_EXTERNAL 0x02
/*
* Enabled mask value of irq
*/
#if defined(_SIM)
#define IMR_MASK_VALUE 0x0033FF0FUL /* initial value of IMR
set IMR0 to 0x0F according to spec */
#else
#define IMR_MASK_VALUE 0x0013FB0FUL /* initial value of IMR
ignore MIBFI,RACEI to
reduce intr. frequency
NOTE.... do not enable NoBuf int mask at driver driver
when (1) NoBuf -> RxThreshold = SF
(2) OK -> RxThreshold = original value
*/
#endif
/*
* Revision id
*/
#define REV_ID_VT3119_A0 0x00
#define REV_ID_VT3119_A1 0x01
#define REV_ID_VT3216_A0 0x10
/*
* Max time out delay time
*/
#define W_MAX_TIMEOUT 0x0FFFU
/*
* MAC registers as a structure. Cannot be directly accessed this
* way but generates offsets for readl/writel() calls
*/
struct mac_regs {
volatile u8 PAR[6]; /* 0x00 */
volatile u8 RCR;
volatile u8 TCR;
volatile u32 CR0Set; /* 0x08 */
volatile u32 CR0Clr; /* 0x0C */
volatile u8 MARCAM[8]; /* 0x10 */
volatile u32 DecBaseHi; /* 0x18 */
volatile u16 DbfBaseHi; /* 0x1C */
volatile u16 reserved_1E;
volatile u16 ISRCTL; /* 0x20 */
volatile u8 TXESR;
volatile u8 RXESR;
volatile u32 ISR; /* 0x24 */
volatile u32 IMR;
volatile u32 TDStatusPort; /* 0x2C */
volatile u16 TDCSRSet; /* 0x30 */
volatile u8 RDCSRSet;
volatile u8 reserved_33;
volatile u16 TDCSRClr;
volatile u8 RDCSRClr;
volatile u8 reserved_37;
volatile u32 RDBaseLo; /* 0x38 */
volatile u16 RDIdx; /* 0x3C */
volatile u16 reserved_3E;
volatile u32 TDBaseLo[4]; /* 0x40 */
volatile u16 RDCSize; /* 0x50 */
volatile u16 TDCSize; /* 0x52 */
volatile u16 TDIdx[4]; /* 0x54 */
volatile u16 tx_pause_timer; /* 0x5C */
volatile u16 RBRDU; /* 0x5E */
volatile u32 FIFOTest0; /* 0x60 */
volatile u32 FIFOTest1; /* 0x64 */
volatile u8 CAMADDR; /* 0x68 */
volatile u8 CAMCR; /* 0x69 */
volatile u8 GFTEST; /* 0x6A */
volatile u8 FTSTCMD; /* 0x6B */
volatile u8 MIICFG; /* 0x6C */
volatile u8 MIISR;
volatile u8 PHYSR0;
volatile u8 PHYSR1;
volatile u8 MIICR;
volatile u8 MIIADR;
volatile u16 MIIDATA;
volatile u16 SoftTimer0; /* 0x74 */
volatile u16 SoftTimer1;
volatile u8 CFGA; /* 0x78 */
volatile u8 CFGB;
volatile u8 CFGC;
volatile u8 CFGD;
volatile u16 DCFG; /* 0x7C */
volatile u16 MCFG;
volatile u8 TBIST; /* 0x80 */
volatile u8 RBIST;
volatile u8 PMCPORT;
volatile u8 STICKHW;
volatile u8 MIBCR; /* 0x84 */
volatile u8 reserved_85;
volatile u8 rev_id;
volatile u8 PORSTS;
volatile u32 MIBData; /* 0x88 */
volatile u16 EEWrData;
volatile u8 reserved_8E;
volatile u8 BPMDWr;
volatile u8 BPCMD;
volatile u8 BPMDRd;
volatile u8 EECHKSUM; /* 0x92 */
volatile u8 EECSR;
volatile u16 EERdData; /* 0x94 */
volatile u8 EADDR;
volatile u8 EMBCMD;
volatile u8 JMPSR0; /* 0x98 */
volatile u8 JMPSR1;
volatile u8 JMPSR2;
volatile u8 JMPSR3;
volatile u8 CHIPGSR; /* 0x9C */
volatile u8 TESTCFG;
volatile u8 DEBUG;
volatile u8 CHIPGCR;
volatile u16 WOLCRSet; /* 0xA0 */
volatile u8 PWCFGSet;
volatile u8 WOLCFGSet;
volatile u16 WOLCRClr; /* 0xA4 */
volatile u8 PWCFGCLR;
volatile u8 WOLCFGClr;
volatile u16 WOLSRSet; /* 0xA8 */
volatile u16 reserved_AA;
volatile u16 WOLSRClr; /* 0xAC */
volatile u16 reserved_AE;
volatile u16 PatternCRC[8]; /* 0xB0 */
volatile u32 ByteMask[4][4]; /* 0xC0 */
} __attribute__ ((__packed__));
enum hw_mib {
HW_MIB_ifRxAllPkts = 0,
HW_MIB_ifRxOkPkts,
HW_MIB_ifTxOkPkts,
HW_MIB_ifRxErrorPkts,
HW_MIB_ifRxRuntOkPkt,
HW_MIB_ifRxRuntErrPkt,
HW_MIB_ifRx64Pkts,
HW_MIB_ifTx64Pkts,
HW_MIB_ifRx65To127Pkts,
HW_MIB_ifTx65To127Pkts,
HW_MIB_ifRx128To255Pkts,
HW_MIB_ifTx128To255Pkts,
HW_MIB_ifRx256To511Pkts,
HW_MIB_ifTx256To511Pkts,
HW_MIB_ifRx512To1023Pkts,
HW_MIB_ifTx512To1023Pkts,
HW_MIB_ifRx1024To1518Pkts,
HW_MIB_ifTx1024To1518Pkts,
HW_MIB_ifTxEtherCollisions,
HW_MIB_ifRxPktCRCE,
HW_MIB_ifRxJumboPkts,
HW_MIB_ifTxJumboPkts,
HW_MIB_ifRxMacControlFrames,
HW_MIB_ifTxMacControlFrames,
HW_MIB_ifRxPktFAE,
HW_MIB_ifRxLongOkPkt,
HW_MIB_ifRxLongPktErrPkt,
HW_MIB_ifTXSQEErrors,
HW_MIB_ifRxNobuf,
HW_MIB_ifRxSymbolErrors,
HW_MIB_ifInRangeLengthErrors,
HW_MIB_ifLateCollisions,
HW_MIB_SIZE
};
enum chip_type {
CHIP_TYPE_VT6110 = 1,
};
struct velocity_info_tbl {
enum chip_type chip_id;
char *name;
int io_size;
int txqueue;
u32 flags;
};
#define mac_hw_mibs_init(regs) {\
BYTE_REG_BITS_ON(MIBCR_MIBFRZ,&((regs)->MIBCR));\
BYTE_REG_BITS_ON(MIBCR_MIBCLR,&((regs)->MIBCR));\
do {}\
while (BYTE_REG_BITS_IS_ON(MIBCR_MIBCLR,&((regs)->MIBCR)));\
BYTE_REG_BITS_OFF(MIBCR_MIBFRZ,&((regs)->MIBCR));\
}
#define mac_read_isr(regs) readl(&((regs)->ISR))
#define mac_write_isr(regs, x) writel((x),&((regs)->ISR))
#define mac_clear_isr(regs) writel(0xffffffffL,&((regs)->ISR))
#define mac_write_int_mask(mask, regs) writel((mask),&((regs)->IMR));
#define mac_disable_int(regs) writel(CR0_GINTMSK1,&((regs)->CR0Clr))
#define mac_enable_int(regs) writel(CR0_GINTMSK1,&((regs)->CR0Set))
#define mac_hw_mibs_read(regs, MIBs) {\
int i;\
BYTE_REG_BITS_ON(MIBCR_MPTRINI,&((regs)->MIBCR));\
for (i=0;i<HW_MIB_SIZE;i++) {\
(MIBs)[i]=readl(&((regs)->MIBData));\
}\
}
#define mac_set_dma_length(regs, n) {\
BYTE_REG_BITS_SET((n),0x07,&((regs)->DCFG));\
}
#define mac_set_rx_thresh(regs, n) {\
BYTE_REG_BITS_SET((n),(MCFG_RFT0|MCFG_RFT1),&((regs)->MCFG));\
}
#define mac_rx_queue_run(regs) {\
writeb(TRDCSR_RUN, &((regs)->RDCSRSet));\
}
#define mac_rx_queue_wake(regs) {\
writeb(TRDCSR_WAK, &((regs)->RDCSRSet));\
}
#define mac_tx_queue_run(regs, n) {\
writew(TRDCSR_RUN<<((n)*4),&((regs)->TDCSRSet));\
}
#define mac_tx_queue_wake(regs, n) {\
writew(TRDCSR_WAK<<(n*4),&((regs)->TDCSRSet));\
}
#define mac_eeprom_reload(regs) {\
int i=0;\
BYTE_REG_BITS_ON(EECSR_RELOAD,&((regs)->EECSR));\
do {\
udelay(10);\
if (i++>0x1000) {\
break;\
}\
}while (BYTE_REG_BITS_IS_ON(EECSR_RELOAD,&((regs)->EECSR)));\
}
enum velocity_cam_type {
VELOCITY_VLAN_ID_CAM = 0,
VELOCITY_MULTICAST_CAM
};
/**
* mac_get_cam_mask - Read a CAM mask
* @regs: register block for this velocity
* @mask: buffer to store mask
* @cam_type: CAM to fetch
*
* Fetch the mask bits of the selected CAM and store them into the
* provided mask buffer.
*/
static inline void mac_get_cam_mask(struct mac_regs __iomem * regs, u8 * mask, enum velocity_cam_type cam_type)
{
int i;
/* Select CAM mask */
BYTE_REG_BITS_SET(CAMCR_PS_CAM_MASK, CAMCR_PS1 | CAMCR_PS0, &regs->CAMCR);
if (cam_type == VELOCITY_VLAN_ID_CAM)
writeb(CAMADDR_VCAMSL, &regs->CAMADDR);
else
writeb(0, &regs->CAMADDR);
/* read mask */
for (i = 0; i < 8; i++)
*mask++ = readb(&(regs->MARCAM[i]));
/* disable CAMEN */
writeb(0, &regs->CAMADDR);
/* Select mar */
BYTE_REG_BITS_SET(CAMCR_PS_MAR, CAMCR_PS1 | CAMCR_PS0, &regs->CAMCR);
}
/**
* mac_set_cam_mask - Set a CAM mask
* @regs: register block for this velocity
* @mask: CAM mask to load
* @cam_type: CAM to store
*
* Store a new mask into a CAM
*/
static inline void mac_set_cam_mask(struct mac_regs __iomem * regs, u8 * mask, enum velocity_cam_type cam_type)
{
int i;
/* Select CAM mask */
BYTE_REG_BITS_SET(CAMCR_PS_CAM_MASK, CAMCR_PS1 | CAMCR_PS0, &regs->CAMCR);
if (cam_type == VELOCITY_VLAN_ID_CAM)
writeb(CAMADDR_CAMEN | CAMADDR_VCAMSL, &regs->CAMADDR);
else
writeb(CAMADDR_CAMEN, &regs->CAMADDR);
for (i = 0; i < 8; i++) {
writeb(*mask++, &(regs->MARCAM[i]));
}
/* disable CAMEN */
writeb(0, &regs->CAMADDR);
/* Select mar */
BYTE_REG_BITS_SET(CAMCR_PS_MAR, CAMCR_PS1 | CAMCR_PS0, &regs->CAMCR);
}
/**
* mac_set_cam - set CAM data
* @regs: register block of this velocity
* @idx: Cam index
* @addr: 2 or 6 bytes of CAM data
* @cam_type: CAM to load
*
* Load an address or vlan tag into a CAM
*/
static inline void mac_set_cam(struct mac_regs __iomem * regs, int idx, u8 *addr, enum velocity_cam_type cam_type)
{
int i;
/* Select CAM mask */
BYTE_REG_BITS_SET(CAMCR_PS_CAM_DATA, CAMCR_PS1 | CAMCR_PS0, &regs->CAMCR);
idx &= (64 - 1);
if (cam_type == VELOCITY_VLAN_ID_CAM)
writeb(CAMADDR_CAMEN | CAMADDR_VCAMSL | idx, &regs->CAMADDR);
else
writeb(CAMADDR_CAMEN | idx, &regs->CAMADDR);
if (cam_type == VELOCITY_VLAN_ID_CAM)
writew(*((u16 *) addr), &regs->MARCAM[0]);
else {
for (i = 0; i < 6; i++) {
writeb(*addr++, &(regs->MARCAM[i]));
}
}
BYTE_REG_BITS_ON(CAMCR_CAMWR, &regs->CAMCR);
udelay(10);
writeb(0, &regs->CAMADDR);
/* Select mar */
BYTE_REG_BITS_SET(CAMCR_PS_MAR, CAMCR_PS1 | CAMCR_PS0, &regs->CAMCR);
}
/**
* mac_get_cam - fetch CAM data
* @regs: register block of this velocity
* @idx: Cam index
* @addr: buffer to hold up to 6 bytes of CAM data
* @cam_type: CAM to load
*
* Load an address or vlan tag from a CAM into the buffer provided by
* the caller. VLAN tags are 2 bytes the address cam entries are 6.
*/
static inline void mac_get_cam(struct mac_regs __iomem * regs, int idx, u8 *addr, enum velocity_cam_type cam_type)
{
int i;
/* Select CAM mask */
BYTE_REG_BITS_SET(CAMCR_PS_CAM_DATA, CAMCR_PS1 | CAMCR_PS0, &regs->CAMCR);
idx &= (64 - 1);
if (cam_type == VELOCITY_VLAN_ID_CAM)
writeb(CAMADDR_CAMEN | CAMADDR_VCAMSL | idx, &regs->CAMADDR);
else
writeb(CAMADDR_CAMEN | idx, &regs->CAMADDR);
BYTE_REG_BITS_ON(CAMCR_CAMRD, &regs->CAMCR);
udelay(10);
if (cam_type == VELOCITY_VLAN_ID_CAM)
*((u16 *) addr) = readw(&(regs->MARCAM[0]));
else
for (i = 0; i < 6; i++, addr++)
*((u8 *) addr) = readb(&(regs->MARCAM[i]));
writeb(0, &regs->CAMADDR);
/* Select mar */
BYTE_REG_BITS_SET(CAMCR_PS_MAR, CAMCR_PS1 | CAMCR_PS0, &regs->CAMCR);
}
/**
* mac_wol_reset - reset WOL after exiting low power
* @regs: register block of this velocity
*
* Called after we drop out of wake on lan mode in order to
* reset the Wake on lan features. This function doesn't restore
* the rest of the logic from the result of sleep/wakeup
*/
static inline void mac_wol_reset(struct mac_regs __iomem * regs)
{
/* Turn off SWPTAG right after leaving power mode */
BYTE_REG_BITS_OFF(STICKHW_SWPTAG, &regs->STICKHW);
/* clear sticky bits */
BYTE_REG_BITS_OFF((STICKHW_DS1 | STICKHW_DS0), &regs->STICKHW);
BYTE_REG_BITS_OFF(CHIPGCR_FCGMII, &regs->CHIPGCR);
BYTE_REG_BITS_OFF(CHIPGCR_FCMODE, &regs->CHIPGCR);
/* disable force PME-enable */
writeb(WOLCFG_PMEOVR, &regs->WOLCFGClr);
/* disable power-event config bit */
writew(0xFFFF, &regs->WOLCRClr);
/* clear power status */
writew(0xFFFF, &regs->WOLSRClr);
}
/*
* Header for WOL definitions. Used to compute hashes
*/
typedef u8 MCAM_ADDR[ETH_ALEN];
struct arp_packet {
u8 dest_mac[ETH_ALEN];
u8 src_mac[ETH_ALEN];
u16 type;
u16 ar_hrd;
u16 ar_pro;
u8 ar_hln;
u8 ar_pln;
u16 ar_op;
u8 ar_sha[ETH_ALEN];
u8 ar_sip[4];
u8 ar_tha[ETH_ALEN];
u8 ar_tip[4];
} __attribute__ ((__packed__));
struct _magic_packet {
u8 dest_mac[6];
u8 src_mac[6];
u16 type;
u8 MAC[16][6];
u8 password[6];
} __attribute__ ((__packed__));
/*
* Store for chip context when saving and restoring status. Not
* all fields are saved/restored currently.
*/
struct velocity_context {
u8 mac_reg[256];
MCAM_ADDR cam_addr[MCAM_SIZE];
u16 vcam[VCAM_SIZE];
u32 cammask[2];
u32 patcrc[2];
u32 pattern[8];
};
/*
* MII registers.
*/
/*
* Registers in the MII (offset unit is WORD)
*/
#define MII_REG_BMCR 0x00 // physical address
#define MII_REG_BMSR 0x01 //
#define MII_REG_PHYID1 0x02 // OUI
#define MII_REG_PHYID2 0x03 // OUI + Module ID + REV ID
#define MII_REG_ANAR 0x04 //
#define MII_REG_ANLPAR 0x05 //
#define MII_REG_G1000CR 0x09 //
#define MII_REG_G1000SR 0x0A //
#define MII_REG_MODCFG 0x10 //
#define MII_REG_TCSR 0x16 //
#define MII_REG_PLED 0x1B //
// NS, MYSON only
#define MII_REG_PCR 0x17 //
// ESI only
#define MII_REG_PCSR 0x17 //
#define MII_REG_AUXCR 0x1C //
// Marvell 88E1000/88E1000S
#define MII_REG_PSCR 0x10 // PHY specific control register
//
// Bits in the BMCR register
//
#define BMCR_RESET 0x8000 //
#define BMCR_LBK 0x4000 //
#define BMCR_SPEED100 0x2000 //
#define BMCR_AUTO 0x1000 //
#define BMCR_PD 0x0800 //
#define BMCR_ISO 0x0400 //
#define BMCR_REAUTO 0x0200 //
#define BMCR_FDX 0x0100 //
#define BMCR_SPEED1G 0x0040 //
//
// Bits in the BMSR register
//
#define BMSR_AUTOCM 0x0020 //
#define BMSR_LNK 0x0004 //
//
// Bits in the ANAR register
//
#define ANAR_ASMDIR 0x0800 // Asymmetric PAUSE support
#define ANAR_PAUSE 0x0400 // Symmetric PAUSE Support
#define ANAR_T4 0x0200 //
#define ANAR_TXFD 0x0100 //
#define ANAR_TX 0x0080 //
#define ANAR_10FD 0x0040 //
#define ANAR_10 0x0020 //
//
// Bits in the ANLPAR register
//
#define ANLPAR_ASMDIR 0x0800 // Asymmetric PAUSE support
#define ANLPAR_PAUSE 0x0400 // Symmetric PAUSE Support
#define ANLPAR_T4 0x0200 //
#define ANLPAR_TXFD 0x0100 //
#define ANLPAR_TX 0x0080 //
#define ANLPAR_10FD 0x0040 //
#define ANLPAR_10 0x0020 //
//
// Bits in the G1000CR register
//
#define G1000CR_1000FD 0x0200 // PHY is 1000-T Full-duplex capable
#define G1000CR_1000 0x0100 // PHY is 1000-T Half-duplex capable
//
// Bits in the G1000SR register
//
#define G1000SR_1000FD 0x0800 // LP PHY is 1000-T Full-duplex capable
#define G1000SR_1000 0x0400 // LP PHY is 1000-T Half-duplex capable
#define TCSR_ECHODIS 0x2000 //
#define AUXCR_MDPPS 0x0004 //
// Bits in the PLED register
#define PLED_LALBE 0x0004 //
// Marvell 88E1000/88E1000S Bits in the PHY specific control register (10h)
#define PSCR_ACRSTX 0x0800 // Assert CRS on Transmit
#define PHYID_CICADA_CS8201 0x000FC410UL
#define PHYID_VT3216_32BIT 0x000FC610UL
#define PHYID_VT3216_64BIT 0x000FC600UL
#define PHYID_MARVELL_1000 0x01410C50UL
#define PHYID_MARVELL_1000S 0x01410C40UL
#define PHYID_REV_ID_MASK 0x0000000FUL
#define PHYID_GET_PHY_REV_ID(i) ((i) & PHYID_REV_ID_MASK)
#define PHYID_GET_PHY_ID(i) ((i) & ~PHYID_REV_ID_MASK)
#define MII_REG_BITS_ON(x,i,p) do {\
u16 w;\
velocity_mii_read((p),(i),&(w));\
(w)|=(x);\
velocity_mii_write((p),(i),(w));\
} while (0)
#define MII_REG_BITS_OFF(x,i,p) do {\
u16 w;\
velocity_mii_read((p),(i),&(w));\
(w)&=(~(x));\
velocity_mii_write((p),(i),(w));\
} while (0)
#define MII_REG_BITS_IS_ON(x,i,p) ({\
u16 w;\
velocity_mii_read((p),(i),&(w));\
((int) ((w) & (x)));})
#define MII_GET_PHY_ID(p) ({\
u32 id;\
velocity_mii_read((p),MII_REG_PHYID2,(u16 *) &id);\
velocity_mii_read((p),MII_REG_PHYID1,((u16 *) &id)+1);\
(id);})
/*
* Inline debug routine
*/
enum velocity_msg_level {
MSG_LEVEL_ERR = 0, //Errors that will cause abnormal operation.
MSG_LEVEL_NOTICE = 1, //Some errors need users to be notified.
MSG_LEVEL_INFO = 2, //Normal message.
MSG_LEVEL_VERBOSE = 3, //Will report all trival errors.
MSG_LEVEL_DEBUG = 4 //Only for debug purpose.
};
#ifdef VELOCITY_DEBUG
#define ASSERT(x) { \
if (!(x)) { \
printk(KERN_ERR "assertion %s failed: file %s line %d\n", #x,\
__FUNCTION__, __LINE__);\
BUG(); \
}\
}
#define VELOCITY_DBG(p,args...) printk(p, ##args)
#else
#define ASSERT(x)
#define VELOCITY_DBG(x)
#endif
#define VELOCITY_PRT(l, p, args...) do {if (l<=msglevel) printk( p ,##args);} while (0)
#define VELOCITY_PRT_CAMMASK(p,t) {\
int i;\
if ((t)==VELOCITY_MULTICAST_CAM) {\
for (i=0;i<(MCAM_SIZE/8);i++)\
printk("%02X",(p)->mCAMmask[i]);\
}\
else {\
for (i=0;i<(VCAM_SIZE/8);i++)\
printk("%02X",(p)->vCAMmask[i]);\
}\
printk("\n");\
}
#define VELOCITY_WOL_MAGIC 0x00000000UL
#define VELOCITY_WOL_PHY 0x00000001UL
#define VELOCITY_WOL_ARP 0x00000002UL
#define VELOCITY_WOL_UCAST 0x00000004UL
#define VELOCITY_WOL_BCAST 0x00000010UL
#define VELOCITY_WOL_MCAST 0x00000020UL
#define VELOCITY_WOL_MAGIC_SEC 0x00000040UL
/*
* Flags for options
*/
#define VELOCITY_FLAGS_TAGGING 0x00000001UL
#define VELOCITY_FLAGS_TX_CSUM 0x00000002UL
#define VELOCITY_FLAGS_RX_CSUM 0x00000004UL
#define VELOCITY_FLAGS_IP_ALIGN 0x00000008UL
#define VELOCITY_FLAGS_VAL_PKT_LEN 0x00000010UL
#define VELOCITY_FLAGS_FLOW_CTRL 0x01000000UL
/*
* Flags for driver status
*/
#define VELOCITY_FLAGS_OPENED 0x00010000UL
#define VELOCITY_FLAGS_VMNS_CONNECTED 0x00020000UL
#define VELOCITY_FLAGS_VMNS_COMMITTED 0x00040000UL
#define VELOCITY_FLAGS_WOL_ENABLED 0x00080000UL
/*
* Flags for MII status
*/
#define VELOCITY_LINK_FAIL 0x00000001UL
#define VELOCITY_SPEED_10 0x00000002UL
#define VELOCITY_SPEED_100 0x00000004UL
#define VELOCITY_SPEED_1000 0x00000008UL
#define VELOCITY_DUPLEX_FULL 0x00000010UL
#define VELOCITY_AUTONEG_ENABLE 0x00000020UL
#define VELOCITY_FORCED_BY_EEPROM 0x00000040UL
/*
* For velocity_set_media_duplex
*/
#define VELOCITY_LINK_CHANGE 0x00000001UL
enum speed_opt {
SPD_DPX_AUTO = 0,
SPD_DPX_100_HALF = 1,
SPD_DPX_100_FULL = 2,
SPD_DPX_10_HALF = 3,
SPD_DPX_10_FULL = 4
};
enum velocity_init_type {
VELOCITY_INIT_COLD = 0,
VELOCITY_INIT_RESET,
VELOCITY_INIT_WOL
};
enum velocity_flow_cntl_type {
FLOW_CNTL_DEFAULT = 1,
FLOW_CNTL_TX,
FLOW_CNTL_RX,
FLOW_CNTL_TX_RX,
FLOW_CNTL_DISABLE,
};
struct velocity_opt {
int numrx; /* Number of RX descriptors */
int numtx; /* Number of TX descriptors */
enum speed_opt spd_dpx; /* Media link mode */
int vid; /* vlan id */
int DMA_length; /* DMA length */
int rx_thresh; /* RX_THRESH */
int flow_cntl;
int wol_opts; /* Wake on lan options */
int td_int_count;
int int_works;
int rx_bandwidth_hi;
int rx_bandwidth_lo;
int rx_bandwidth_en;
u32 flags;
};
struct velocity_info {
struct list_head list;
struct pci_dev *pdev;
struct net_device *dev;
struct net_device_stats stats;
dma_addr_t rd_pool_dma;
dma_addr_t td_pool_dma[TX_QUEUE_NO];
dma_addr_t tx_bufs_dma;
u8 *tx_bufs;
u8 ip_addr[4];
enum chip_type chip_id;
struct mac_regs __iomem * mac_regs;
unsigned long memaddr;
unsigned long ioaddr;
u32 io_size;
u8 rev_id;
#define AVAIL_TD(p,q) ((p)->options.numtx-((p)->td_used[(q)]))
int num_txq;
volatile int td_used[TX_QUEUE_NO];
int td_curr[TX_QUEUE_NO];
int td_tail[TX_QUEUE_NO];
struct tx_desc *td_rings[TX_QUEUE_NO];
struct velocity_td_info *td_infos[TX_QUEUE_NO];
int rd_curr;
int rd_dirty;
u32 rd_filled;
struct rx_desc *rd_ring;
struct velocity_rd_info *rd_info; /* It's an array */
#define GET_RD_BY_IDX(vptr, idx) (vptr->rd_ring[idx])
u32 mib_counter[MAX_HW_MIB_COUNTER];
struct velocity_opt options;
u32 int_mask;
u32 flags;
int rx_buf_sz;
u32 mii_status;
u32 phy_id;
int multicast_limit;
u8 vCAMmask[(VCAM_SIZE / 8)];
u8 mCAMmask[(MCAM_SIZE / 8)];
spinlock_t lock;
int wol_opts;
u8 wol_passwd[6];
struct velocity_context context;
u32 ticks;
u32 rx_bytes;
};
/**
* velocity_get_ip - find an IP address for the device
* @vptr: Velocity to query
*
* Dig out an IP address for this interface so that we can
* configure wakeup with WOL for ARP. If there are multiple IP
* addresses on this chain then we use the first - multi-IP WOL is not
* supported.
*
* CHECK ME: locking
*/
static inline int velocity_get_ip(struct velocity_info *vptr)
{
struct in_device *in_dev = (struct in_device *) vptr->dev->ip_ptr;
struct in_ifaddr *ifa;
if (in_dev != NULL) {
ifa = (struct in_ifaddr *) in_dev->ifa_list;
if (ifa != NULL) {
memcpy(vptr->ip_addr, &ifa->ifa_address, 4);
return 0;
}
}
return -ENOENT;
}
/**
* velocity_update_hw_mibs - fetch MIB counters from chip
* @vptr: velocity to update
*
* The velocity hardware keeps certain counters in the hardware
* side. We need to read these when the user asks for statistics
* or when they overflow (causing an interrupt). The read of the
* statistic clears it, so we keep running master counters in user
* space.
*/
static inline void velocity_update_hw_mibs(struct velocity_info *vptr)
{
u32 tmp;
int i;
BYTE_REG_BITS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR));
while (BYTE_REG_BITS_IS_ON(MIBCR_MIBFLSH, &(vptr->mac_regs->MIBCR)));
BYTE_REG_BITS_ON(MIBCR_MPTRINI, &(vptr->mac_regs->MIBCR));
for (i = 0; i < HW_MIB_SIZE; i++) {
tmp = readl(&(vptr->mac_regs->MIBData)) & 0x00FFFFFFUL;
vptr->mib_counter[i] += tmp;
}
}
/**
* init_flow_control_register - set up flow control
* @vptr: velocity to configure
*
* Configure the flow control registers for this velocity device.
*/
static inline void init_flow_control_register(struct velocity_info *vptr)
{
struct mac_regs __iomem * regs = vptr->mac_regs;
/* Set {XHITH1, XHITH0, XLTH1, XLTH0} in FlowCR1 to {1, 0, 1, 1}
depend on RD=64, and Turn on XNOEN in FlowCR1 */
writel((CR0_XONEN | CR0_XHITH1 | CR0_XLTH1 | CR0_XLTH0), &regs->CR0Set);
writel((CR0_FDXTFCEN | CR0_FDXRFCEN | CR0_HDXFCEN | CR0_XHITH0), &regs->CR0Clr);
/* Set TxPauseTimer to 0xFFFF */
writew(0xFFFF, &regs->tx_pause_timer);
/* Initialize RBRDU to Rx buffer count. */
writew(vptr->options.numrx, &regs->RBRDU);
}
#endif
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