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NetBSD/sys/dev/ic/rtl81x9reg.h
yamt e012617b1e - restructure tx descriptor handling code to decouple 
number of tx descriptors, number of rx descriptors, and number of mbufs.
- bump number of tx descriptors for rtl8169.  64 doesn't seem to be sufficient
  when doing TSO.
2005-03-23 20:23:08 +00:00

570 lines
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/* $NetBSD: rtl81x9reg.h,v 1.12 2005/03/23 20:23:08 yamt Exp $ */
/*
* Copyright (c) 1997, 1998
* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Bill Paul.
* 4. Neither the name of the author nor the names of any co-contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*
* FreeBSD Id: if_rlreg.h,v 1.9 1999/06/20 18:56:09 wpaul Exp
*/
/*
* RealTek 8129/8139 register offsets
*/
#define RTK_IDR0 0x0000 /* ID register 0 (station addr) */
#define RTK_IDR1 0x0001 /* Must use 32-bit accesses (?) */
#define RTK_IDR2 0x0002
#define RTK_IDR3 0x0003
#define RTK_IDR4 0x0004
#define RTK_IDR5 0x0005
/* 0006-0007 reserved */
#define RTK_MAR0 0x0008 /* Multicast hash table */
#define RTK_MAR1 0x0009
#define RTK_MAR2 0x000A
#define RTK_MAR3 0x000B
#define RTK_MAR4 0x000C
#define RTK_MAR5 0x000D
#define RTK_MAR6 0x000E
#define RTK_MAR7 0x000F
#define RTK_TXSTAT0 0x0010 /* status of TX descriptor 0 */
#define RTK_TXSTAT1 0x0014 /* status of TX descriptor 1 */
#define RTK_TXSTAT2 0x0018 /* status of TX descriptor 2 */
#define RTK_TXSTAT3 0x001C /* status of TX descriptor 3 */
#define RTK_TXADDR0 0x0020 /* address of TX descriptor 0 */
#define RTK_TXADDR1 0x0024 /* address of TX descriptor 1 */
#define RTK_TXADDR2 0x0028 /* address of TX descriptor 2 */
#define RTK_TXADDR3 0x002C /* address of TX descriptor 3 */
#define RTK_RXADDR 0x0030 /* RX ring start address */
#define RTK_RX_EARLY_BYTES 0x0034 /* RX early byte count */
#define RTK_RX_EARLY_STAT 0x0036 /* RX early status */
#define RTK_COMMAND 0x0037 /* command register */
#define RTK_CURRXADDR 0x0038 /* current address of packet read */
#define RTK_CURRXBUF 0x003A /* current RX buffer address */
#define RTK_IMR 0x003C /* interrupt mask register */
#define RTK_ISR 0x003E /* interrupt status register */
#define RTK_TXCFG 0x0040 /* transmit config */
#define RTK_RXCFG 0x0044 /* receive config */
#define RTK_TIMERCNT 0x0048 /* timer count register */
#define RTK_MISSEDPKT 0x004C /* missed packet counter */
#define RTK_EECMD 0x0050 /* EEPROM command register */
#define RTK_CFG0 0x0051 /* config register #0 */
#define RTK_CFG1 0x0052 /* config register #1 */
/* 0053-0057 reserved */
#define RTK_MEDIASTAT 0x0058 /* media status register (8139) */
/* 0059-005A reserved */
#define RTK_MII 0x005A /* 8129 chip only */
#define RTK_HALTCLK 0x005B
#define RTK_MULTIINTR 0x005C /* multiple interrupt */
#define RTK_PCIREV 0x005E /* PCI revision value */
/* 005F reserved */
#define RTK_TXSTAT_ALL 0x0060 /* TX status of all descriptors */
/* Direct PHY access registers only available on 8139 */
#define RTK_BMCR 0x0062 /* PHY basic mode control */
#define RTK_BMSR 0x0064 /* PHY basic mode status */
#define RTK_ANAR 0x0066 /* PHY autoneg advert */
#define RTK_LPAR 0x0068 /* PHY link partner ability */
#define RTK_ANER 0x006A /* PHY autoneg expansion */
#define RTK_DISCCNT 0x006C /* disconnect counter */
#define RTK_FALSECAR 0x006E /* false carrier counter */
#define RTK_NWAYTST 0x0070 /* NWAY test register */
#define RTK_RX_ER 0x0072 /* RX_ER counter */
#define RTK_CSCFG 0x0074 /* CS configuration register */
/*
* When operating in special C+ mode, some of the registers in an
* 8139C+ chip have different definitions. These are also used for
* the 8169 gigE chip.
*/
#define RTK_DUMPSTATS_LO 0x0010 /* counter dump command register */
#define RTK_DUMPSTATS_HI 0x0014 /* counter dump command register */
#define RTK_TXLIST_ADDR_LO 0x0020 /* 64 bits, 256 byte alignment */
#define RTK_TXLIST_ADDR_HI 0x0024 /* 64 bits, 256 byte alignment */
#define RTK_TXLIST_ADDR_HPRIO_LO 0x0028 /* 64 bits, 256 byte aligned */
#define RTK_TXLIST_ADDR_HPRIO_HI 0x002C /* 64 bits, 256 byte aligned */
#define RTK_CFG2 0x0053
#define RTK_TIMERINT 0x0054 /* interrupt on timer expire */
#define RTK_TXSTART 0x00D9 /* 8 bits */
#define RTK_CPLUS_CMD 0x00E0 /* 16 bits */
#define RTK_RXLIST_ADDR_LO 0x00E4 /* 64 bits, 256 byte alignment */
#define RTK_RXLIST_ADDR_HI 0x00E8 /* 64 bits, 256 byte alignment */
#define RTK_EARLY_TX_THRESH 0x00EC /* 8 bits */
/*
* Registers specific to the 8169 gigE chip
*/
#define RTK_TIMERINT_8169 0x0058 /* different offset than 8139 */
#define RTK_PHYAR 0x0060
#define RTK_TBICSR 0x0064
#define RTK_TBI_ANAR 0x0068
#define RTK_TBI_LPAR 0x006A
#define RTK_GMEDIASTAT 0x006C /* 8 bits */
#define RTK_MAXRXPKTLEN 0x00DA /* 16 bits, chip multiplies by 8 */
#define RTK_GTXSTART 0x0038 /* 16 bits */
/*
* TX config register bits
*/
#define RTK_TXCFG_CLRABRT 0x00000001 /* retransmit aborted pkt */
#define RTK_TXCFG_MAXDMA 0x00000700 /* max DMA burst size */
#define RTK_TXCFG_CRCAPPEND 0x00010000 /* CRC append (0 = yes) */
#define RTK_TXCFG_LOOPBKTST 0x00060000 /* loopback test */
#define RTK_TXCFG_IFG2 0x00080000 /* 8169 only */
#define RTK_TXCFG_IFG 0x03000000 /* interframe gap */
#define RTK_TXCFG_HWREV 0x7CC00000
#define RTK_LOOPTEST_OFF 0x00000000
#define RTK_LOOPTEST_ON 0x00020000
#define RTK_LOOPTEST_ON_CPLUS 0x00060000
#define RTK_HWREV_8169 0x00000000
#define RTK_HWREV_8169S 0x04000000
#define RTK_HWREV_8110S 0x00800000
#define RTK_HWREV_8139 0x60000000
#define RTK_HWREV_8139A 0x70000000
#define RTK_HWREV_8139AG 0x70800000
#define RTK_HWREV_8139B 0x78000000
#define RTK_HWREV_8130 0x7C000000
#define RTK_HWREV_8139C 0x74000000
#define RTK_HWREV_8139D 0x74400000
#define RTK_HWREV_8139CPLUS 0x74800000
#define RTK_HWREV_8101 0x74c00000
#define RTK_HWREV_8100 0x78800000
#define RTK_TXDMA_16BYTES 0x00000000
#define RTK_TXDMA_32BYTES 0x00000100
#define RTK_TXDMA_64BYTES 0x00000200
#define RTK_TXDMA_128BYTES 0x00000300
#define RTK_TXDMA_256BYTES 0x00000400
#define RTK_TXDMA_512BYTES 0x00000500
#define RTK_TXDMA_1024BYTES 0x00000600
#define RTK_TXDMA_2048BYTES 0x00000700
/*
* Transmit descriptor status register bits.
*/
#define RTK_TXSTAT_LENMASK 0x00001FFF
#define RTK_TXSTAT_OWN 0x00002000
#define RTK_TXSTAT_TX_UNDERRUN 0x00004000
#define RTK_TXSTAT_TX_OK 0x00008000
#define RTK_TXSTAT_EARLY_THRESH 0x003F0000
#define RTK_TXSTAT_COLLCNT 0x0F000000
#define RTK_TXSTAT_CARR_HBEAT 0x10000000
#define RTK_TXSTAT_OUTOFWIN 0x20000000
#define RTK_TXSTAT_TXABRT 0x40000000
#define RTK_TXSTAT_CARRLOSS 0x80000000
/*
* Interrupt status register bits.
*/
#define RTK_ISR_RX_OK 0x0001
#define RTK_ISR_RX_ERR 0x0002
#define RTK_ISR_TX_OK 0x0004
#define RTK_ISR_TX_ERR 0x0008
#define RTK_ISR_RX_OVERRUN 0x0010
#define RTK_ISR_PKT_UNDERRUN 0x0020
#define RTK_ISR_LINKCHG 0x0020 /* 8169 only */
#define RTK_ISR_FIFO_OFLOW 0x0040 /* 8139 only */
#define RTK_ISR_TX_DESC_UNAVAIL 0x0080 /* C+ only */
#define RTK_ISR_SWI 0x0100 /* C+ only */
#define RTK_ISR_CABLE_LEN_CHGD 0x2000
#define RTK_ISR_PCS_TIMEOUT 0x4000 /* 8129 only */
#define RTK_ISR_TIMEOUT_EXPIRED 0x4000
#define RTK_ISR_SYSTEM_ERR 0x8000
#define RTK_INTRS \
(RTK_ISR_TX_OK|RTK_ISR_RX_OK|RTK_ISR_RX_ERR|RTK_ISR_TX_ERR| \
RTK_ISR_RX_OVERRUN|RTK_ISR_PKT_UNDERRUN|RTK_ISR_FIFO_OFLOW| \
RTK_ISR_PCS_TIMEOUT|RTK_ISR_SYSTEM_ERR)
#define RTK_INTRS_CPLUS \
(RTK_ISR_RX_OK|RTK_ISR_RX_ERR|RTK_ISR_TX_ERR| \
RTK_ISR_RX_OVERRUN|RTK_ISR_PKT_UNDERRUN|RTK_ISR_FIFO_OFLOW| \
RTK_ISR_PCS_TIMEOUT|RTK_ISR_SYSTEM_ERR|RTK_ISR_TIMEOUT_EXPIRED)
/*
* Media status register. (8139 only)
*/
#define RTK_MEDIASTAT_RXPAUSE 0x01
#define RTK_MEDIASTAT_TXPAUSE 0x02
#define RTK_MEDIASTAT_LINK 0x04
#define RTK_MEDIASTAT_SPEED10 0x08
#define RTK_MEDIASTAT_RXFLOWCTL 0x40 /* duplex mode */
#define RTK_MEDIASTAT_TXFLOWCTL 0x80 /* duplex mode */
/*
* Receive config register.
*/
#define RTK_RXCFG_RX_ALLPHYS 0x00000001 /* accept all nodes */
#define RTK_RXCFG_RX_INDIV 0x00000002 /* match filter */
#define RTK_RXCFG_RX_MULTI 0x00000004 /* accept all multicast */
#define RTK_RXCFG_RX_BROAD 0x00000008 /* accept all broadcast */
#define RTK_RXCFG_RX_RUNT 0x00000010
#define RTK_RXCFG_RX_ERRPKT 0x00000020
#define RTK_RXCFG_WRAP 0x00000080
#define RTK_RXCFG_MAXDMA 0x00000700
#define RTK_RXCFG_BUFSZ 0x00001800
#define RTK_RXCFG_FIFOTHRESH 0x0000E000
#define RTK_RXCFG_EARLYTHRESH 0x07000000
#define RTK_RXDMA_16BYTES 0x00000000
#define RTK_RXDMA_32BYTES 0x00000100
#define RTK_RXDMA_64BYTES 0x00000200
#define RTK_RXDMA_128BYTES 0x00000300
#define RTK_RXDMA_256BYTES 0x00000400
#define RTK_RXDMA_512BYTES 0x00000500
#define RTK_RXDMA_1024BYTES 0x00000600
#define RTK_RXDMA_UNLIMITED 0x00000700
#define RTK_RXBUF_8 0x00000000
#define RTK_RXBUF_16 0x00000800
#define RTK_RXBUF_32 0x00001000
#define RTK_RXBUF_64 0x00001800
#define RTK_RXFIFO_16BYTES 0x00000000
#define RTK_RXFIFO_32BYTES 0x00002000
#define RTK_RXFIFO_64BYTES 0x00004000
#define RTK_RXFIFO_128BYTES 0x00006000
#define RTK_RXFIFO_256BYTES 0x00008000
#define RTK_RXFIFO_512BYTES 0x0000A000
#define RTK_RXFIFO_1024BYTES 0x0000C000
#define RTK_RXFIFO_NOTHRESH 0x0000E000
/*
* Bits in RX status header (included with RX'ed packet
* in ring buffer).
*/
#define RTK_RXSTAT_RXOK 0x00000001
#define RTK_RXSTAT_ALIGNERR 0x00000002
#define RTK_RXSTAT_CRCERR 0x00000004
#define RTK_RXSTAT_GIANT 0x00000008
#define RTK_RXSTAT_RUNT 0x00000010
#define RTK_RXSTAT_BADSYM 0x00000020
#define RTK_RXSTAT_BROAD 0x00002000
#define RTK_RXSTAT_INDIV 0x00004000
#define RTK_RXSTAT_MULTI 0x00008000
#define RTK_RXSTAT_LENMASK 0xFFFF0000
#define RTK_RXSTAT_UNFINISHED 0xFFF0 /* DMA still in progress */
/*
* Command register.
*/
#define RTK_CMD_EMPTY_RXBUF 0x0001
#define RTK_CMD_TX_ENB 0x0004
#define RTK_CMD_RX_ENB 0x0008
#define RTK_CMD_RESET 0x0010
/*
* EEPROM control register
*/
#define RTK_EE_DATAOUT 0x01 /* Data out */
#define RTK_EE_DATAIN 0x02 /* Data in */
#define RTK_EE_CLK 0x04 /* clock */
#define RTK_EE_SEL 0x08 /* chip select */
#define RTK_EE_MODE (0x40|0x80)
#define RTK_EEMODE_OFF 0x00
#define RTK_EEMODE_AUTOLOAD 0x40
#define RTK_EEMODE_PROGRAM 0x80
#define RTK_EEMODE_WRITECFG (0x80|0x40)
/* 9346/9356 EEPROM commands */
#define RTK_EEADDR_LEN0 6 /* 9346 */
#define RTK_EEADDR_LEN1 8 /* 9356 */
#define RTK_EECMD_LEN 4
#define RTK_EECMD_WRITE 0x5 /* 0101b */
#define RTK_EECMD_READ 0x6 /* 0110b */
#define RTK_EECMD_ERASE 0x7 /* 0111b */
#define RTK_EE_ID 0x00
#define RTK_EE_PCI_VID 0x01
#define RTK_EE_PCI_DID 0x02
/* Location of station address inside EEPROM */
#define RTK_EE_EADDR0 0x07
#define RTK_EE_EADDR1 0x08
#define RTK_EE_EADDR2 0x09
/*
* MII register (8129 only)
*/
#define RTK_MII_CLK 0x01
#define RTK_MII_DATAIN 0x02
#define RTK_MII_DATAOUT 0x04
#define RTK_MII_DIR 0x80 /* 0 == input, 1 == output */
/*
* Config 0 register
*/
#define RTK_CFG0_ROM0 0x01
#define RTK_CFG0_ROM1 0x02
#define RTK_CFG0_ROM2 0x04
#define RTK_CFG0_PL0 0x08
#define RTK_CFG0_PL1 0x10
#define RTK_CFG0_10MBPS 0x20 /* 10 Mbps internal mode */
#define RTK_CFG0_PCS 0x40
#define RTK_CFG0_SCR 0x80
/*
* Config 1 register
*/
#define RTK_CFG1_PWRDWN 0x01
#define RTK_CFG1_SLEEP 0x02
#define RTK_CFG1_IOMAP 0x04
#define RTK_CFG1_MEMMAP 0x08
#define RTK_CFG1_RSVD 0x10
#define RTK_CFG1_DRVLOAD 0x20
#define RTK_CFG1_LED0 0x40
#define RTK_CFG1_FULLDUPLEX 0x40 /* 8129 only */
#define RTK_CFG1_LED1 0x80
/*
* 8139C+ register definitions
*/
/* RTK_DUMPSTATS_LO register */
#define RTK_DUMPSTATS_START 0x00000008
/* Transmit start register */
#define RTK_TXSTART_SWI 0x01 /* generate TX interrupt */
#define RTK_TXSTART_START 0x40 /* start normal queue transmit */
#define RTK_TXSTART_HPRIO_START 0x80 /* start hi prio queue transmit */
/*
* Config 2 register, 8139C+/8169/8169S/8110S only
*/
#define RTK_CFG2_BUSFREQ 0x07
#define RTK_CFG2_BUSWIDTH 0x08
#define RTK_CFG2_AUXPWRSTS 0x10
#define RTK_BUSFREQ_33MHZ 0x00
#define RTK_BUSFREQ_66MHZ 0x01
#define RTK_BUSWIDTH_32BITS 0x00
#define RTK_BUSWIDTH_64BITS 0x08
/* C+ mode command register */
#define RTK_CPLUSCMD_TXENB 0x0001 /* enable C+ transmit mode */
#define RTK_CPLUSCMD_RXENB 0x0002 /* enable C+ receive mode */
#define RTK_CPLUSCMD_PCI_MRW 0x0008 /* enable PCI multi-read/write */
#define RTK_CPLUSCMD_PCI_DAC 0x0010 /* PCI dual-address cycle only */
#define RTK_CPLUSCMD_RXCSUM_ENB 0x0020 /* enable RX checksum offload */
#define RTK_CPLUSCMD_VLANSTRIP 0x0040 /* enable VLAN tag stripping */
/* C+ early transmit threshold */
#define RTK_EARLYTXTHRESH_CNT 0x003F /* byte count times 8 */
/*
* Gigabit PHY access register (8169 only)
*/
#define RTK_PHYAR_PHYDATA 0x0000FFFF
#define RTK_PHYAR_PHYREG 0x001F0000
#define RTK_PHYAR_BUSY 0x80000000
/*
* Gigabit media status (8169 only)
*/
#define RTK_GMEDIASTAT_FDX 0x01 /* full duplex */
#define RTK_GMEDIASTAT_LINK 0x02 /* link up */
#define RTK_GMEDIASTAT_10MBPS 0x04 /* 10mps link */
#define RTK_GMEDIASTAT_100MBPS 0x08 /* 100mbps link */
#define RTK_GMEDIASTAT_1000MBPS 0x10 /* gigE link */
#define RTK_GMEDIASTAT_RXFLOW 0x20 /* RX flow control on */
#define RTK_GMEDIASTAT_TXFLOW 0x40 /* TX flow control on */
#define RTK_GMEDIASTAT_TBI 0x80 /* TBI enabled */
/*
* The RealTek doesn't use a fragment-based descriptor mechanism.
* Instead, there are only four register sets, each or which represents
* one 'descriptor.' Basically, each TX descriptor is just a contiguous
* packet buffer (32-bit aligned!) and we place the buffer addresses in
* the registers so the chip knows where they are.
*
* We can sort of kludge together the same kind of buffer management
* used in previous drivers, but we have to do buffer copies almost all
* the time, so it doesn't really buy us much.
*
* For reception, there's just one large buffer where the chip stores
* all received packets.
*/
#ifdef dreamcast
#define RTK_RX_BUF_SZ RTK_RXBUF_16
#else
#define RTK_RX_BUF_SZ RTK_RXBUF_64
#endif
#define RTK_RXBUFLEN (1 << ((RTK_RX_BUF_SZ >> 11) + 13))
#define RTK_TX_LIST_CNT 4
#define RTK_TX_EARLYTHRESH ((256 / 32) << 16)
#define RTK_RX_FIFOTHRESH RTK_RXFIFO_256BYTES
#define RTK_RX_MAXDMA RTK_RXDMA_256BYTES
#define RTK_TX_MAXDMA RTK_TXDMA_256BYTES
#define RTK_RXCFG_CONFIG (RTK_RX_FIFOTHRESH|RTK_RX_MAXDMA|RTK_RX_BUF_SZ)
#define RTK_TXCFG_CONFIG (RTK_TXCFG_IFG|RTK_TX_MAXDMA)
/*
* The 8139C+ and 8160 gigE chips support descriptor-based TX
* and RX. In fact, they even support TCP large send. Descriptors
* must be allocated in contiguous blocks that are aligned on a
* 256-byte boundary. The rings can hold a maximum of 64 descriptors.
*/
/*
* RX/TX descriptor definition. When large send mode is enabled, the
* lower 11 bits of the TX rtk_cmd word are used to hold the MSS, and
* the checksum offload bits are disabled. The structure layout is
* the same for RX and TX descriptors
*/
struct rtk_desc {
u_int32_t rtk_cmdstat;
u_int32_t rtk_vlanctl;
u_int32_t rtk_bufaddr_lo;
u_int32_t rtk_bufaddr_hi;
};
#define RTK_TDESC_CMD_FRAGLEN 0x0000FFFF
#define RTK_TDESC_CMD_TCPCSUM 0x00010000 /* TCP checksum enable */
#define RTK_TDESC_CMD_UDPCSUM 0x00020000 /* UDP checksum enable */
#define RTK_TDESC_CMD_IPCSUM 0x00040000 /* IP header checksum enable */
#define RTK_TDESC_CMD_MSSVAL 0x07FF0000 /* Large send MSS value */
#define RTK_TDESC_CMD_MSSVAL_SHIFT 16 /* Shift of the above */
#define RTK_TDESC_CMD_LGSEND 0x08000000 /* TCP large send enb */
#define RTK_TDESC_CMD_EOF 0x10000000 /* end of frame marker */
#define RTK_TDESC_CMD_SOF 0x20000000 /* start of frame marker */
#define RTK_TDESC_CMD_EOR 0x40000000 /* end of ring marker */
#define RTK_TDESC_CMD_OWN 0x80000000 /* chip owns descriptor */
#define RTK_TDESC_VLANCTL_TAG 0x00020000 /* Insert VLAN tag */
#define RTK_TDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */
/*
* Error bits are valid only on the last descriptor of a frame
* (i.e. RTK_TDESC_CMD_EOF == 1)
*/
#define RTK_TDESC_STAT_COLCNT 0x000F0000 /* collision count */
#define RTK_TDESC_STAT_EXCESSCOL 0x00100000 /* excessive collisions */
#define RTK_TDESC_STAT_LINKFAIL 0x00200000 /* link faulure */
#define RTK_TDESC_STAT_OWINCOL 0x00400000 /* out-of-window collision */
#define RTK_TDESC_STAT_TXERRSUM 0x00800000 /* transmit error summary */
#define RTK_TDESC_STAT_UNDERRUN 0x02000000 /* TX underrun occurred */
#define RTK_TDESC_STAT_OWN 0x80000000
/*
* RX descriptor cmd/vlan definitions
*/
#define RTK_RDESC_CMD_EOR 0x40000000
#define RTK_RDESC_CMD_OWN 0x80000000
#define RTK_RDESC_CMD_BUFLEN 0x00001FFF
#define RTK_RDESC_STAT_OWN 0x80000000
#define RTK_RDESC_STAT_EOR 0x40000000
#define RTK_RDESC_STAT_SOF 0x20000000
#define RTK_RDESC_STAT_EOF 0x10000000
#define RTK_RDESC_STAT_FRALIGN 0x08000000 /* frame alignment error */
#define RTK_RDESC_STAT_MCAST 0x04000000 /* multicast pkt received */
#define RTK_RDESC_STAT_UCAST 0x02000000 /* unicast pkt received */
#define RTK_RDESC_STAT_BCAST 0x01000000 /* broadcast pkt received */
#define RTK_RDESC_STAT_BUFOFLOW 0x00800000 /* out of buffer space */
#define RTK_RDESC_STAT_FIFOOFLOW 0x00400000 /* FIFO overrun */
#define RTK_RDESC_STAT_GIANT 0x00200000 /* pkt > 4096 bytes */
#define RTK_RDESC_STAT_RXERRSUM 0x00100000 /* RX error summary */
#define RTK_RDESC_STAT_RUNT 0x00080000 /* runt packet received */
#define RTK_RDESC_STAT_CRCERR 0x00040000 /* CRC error */
#define RTK_RDESC_STAT_PROTOID 0x00030000 /* Protocol type */
#define RTK_RDESC_STAT_IPSUMBAD 0x00008000 /* IP header checksum bad */
#define RTK_RDESC_STAT_UDPSUMBAD 0x00004000 /* UDP checksum bad */
#define RTK_RDESC_STAT_TCPSUMBAD 0x00002000 /* TCP checksum bad */
#define RTK_RDESC_STAT_FRAGLEN 0x00001FFF /* RX'ed frame/frag len */
#define RTK_RDESC_STAT_GFRAGLEN 0x00003FFF /* RX'ed frame/frag len */
#define RTK_RDESC_VLANCTL_TAG 0x00010000 /* VLAN tag available
(rtk_vlandata valid)*/
#define RTK_RDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */
#define RTK_PROTOID_NONIP 0x00000000
#define RTK_PROTOID_TCPIP 0x00010000
#define RTK_PROTOID_UDPIP 0x00020000
#define RTK_PROTOID_IP 0x00030000
#define RTK_TCPPKT(x) (((x) & RTK_RDESC_STAT_PROTOID) == \
RTK_PROTOID_TCPIP)
#define RTK_UDPPKT(x) (((x) & RTK_RDESC_STAT_PROTOID) == \
RTK_PROTOID_UDPIP)
/*
* Statistics counter structure (8139C+ and 8169 only)
*/
struct rtk_stats {
u_int32_t rtk_tx_pkts_lo;
u_int32_t rtk_tx_pkts_hi;
u_int32_t rtk_tx_errs_lo;
u_int32_t rtk_tx_errs_hi;
u_int32_t rtk_tx_errs;
u_int16_t rtk_missed_pkts;
u_int16_t rtk_rx_framealign_errs;
u_int32_t rtk_tx_onecoll;
u_int32_t rtk_tx_multicolls;
u_int32_t rtk_rx_ucasts_hi;
u_int32_t rtk_rx_ucasts_lo;
u_int32_t rtk_rx_bcasts_lo;
u_int32_t rtk_rx_bcasts_hi;
u_int32_t rtk_rx_mcasts;
u_int16_t rtk_tx_aborts;
u_int16_t rtk_rx_underruns;
};
#define RTK_RX_DESC_CNT 64
#define RTK_TX_DESC_CNT_8139 64
#define RTK_TX_DESC_CNT_8169 1024
#define RTK_RX_LIST_SZ (RTK_RX_DESC_CNT * sizeof(struct rtk_desc))
#define RTK_RING_ALIGN 256
#define RTK_IFQ_MAXLEN 512
#define RTK_OWN(x) (le32toh((x)->rtk_cmdstat) & RTK_RDESC_STAT_OWN)
#define RTK_RXBYTES(x) (le32toh((x)->rtk_cmdstat) & sc->rtk_rxlenmask)
#define RTK_PKTSZ(x) ((x)/* >> 3*/)
#define RTK_ADDR_LO(y) ((u_int64_t) (y) & 0xFFFFFFFF)
#define RTK_ADDR_HI(y) ((u_int64_t) (y) >> 32)
#define RTK_JUMBO_FRAMELEN 9018
#define RTK_JUMBO_MTU (RTK_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
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