985 lines
29 KiB
C
985 lines
29 KiB
C
/*-
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* Copyright (c) 1997, 1998-2003
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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/*
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* RealTek 8129/8139 register offsets
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*/
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#define RL_IDR0 0x0000 /* ID register 0 (station addr) */
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#define RL_IDR1 0x0001 /* Must use 32-bit accesses (?) */
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#define RL_IDR2 0x0002
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#define RL_IDR3 0x0003
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#define RL_IDR4 0x0004
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#define RL_IDR5 0x0005
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/* 0006-0007 reserved */
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#define RL_MAR0 0x0008 /* Multicast hash table */
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#define RL_MAR1 0x0009
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#define RL_MAR2 0x000A
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#define RL_MAR3 0x000B
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#define RL_MAR4 0x000C
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#define RL_MAR5 0x000D
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#define RL_MAR6 0x000E
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#define RL_MAR7 0x000F
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#define RL_TXSTAT0 0x0010 /* status of TX descriptor 0 */
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#define RL_TXSTAT1 0x0014 /* status of TX descriptor 1 */
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#define RL_TXSTAT2 0x0018 /* status of TX descriptor 2 */
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#define RL_TXSTAT3 0x001C /* status of TX descriptor 3 */
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#define RL_TXADDR0 0x0020 /* address of TX descriptor 0 */
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#define RL_TXADDR1 0x0024 /* address of TX descriptor 1 */
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#define RL_TXADDR2 0x0028 /* address of TX descriptor 2 */
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#define RL_TXADDR3 0x002C /* address of TX descriptor 3 */
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#define RL_RXADDR 0x0030 /* RX ring start address */
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#define RL_RX_EARLY_BYTES 0x0034 /* RX early byte count */
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#define RL_RX_EARLY_STAT 0x0036 /* RX early status */
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#define RL_COMMAND 0x0037 /* command register */
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#define RL_CURRXADDR 0x0038 /* current address of packet read */
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#define RL_CURRXBUF 0x003A /* current RX buffer address */
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#define RL_IMR 0x003C /* interrupt mask register */
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#define RL_ISR 0x003E /* interrupt status register */
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#define RL_TXCFG 0x0040 /* transmit config */
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#define RL_RXCFG 0x0044 /* receive config */
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#define RL_TIMERCNT 0x0048 /* timer count register */
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#define RL_MISSEDPKT 0x004C /* missed packet counter */
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#define RL_EECMD 0x0050 /* EEPROM command register */
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#define RL_CFG0 0x0051 /* config register #0 */
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#define RL_CFG1 0x0052 /* config register #1 */
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/* 0053-0057 reserved */
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#define RL_MEDIASTAT 0x0058 /* media status register (8139) */
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/* 0059-005A reserved */
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#define RL_MII 0x005A /* 8129 chip only */
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#define RL_HALTCLK 0x005B
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#define RL_MULTIINTR 0x005C /* multiple interrupt */
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#define RL_PCIREV 0x005E /* PCI revision value */
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/* 005F reserved */
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#define RL_TXSTAT_ALL 0x0060 /* TX status of all descriptors */
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/* Direct PHY access registers only available on 8139 */
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#define RL_BMCR 0x0062 /* PHY basic mode control */
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#define RL_BMSR 0x0064 /* PHY basic mode status */
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#define RL_ANAR 0x0066 /* PHY autoneg advert */
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#define RL_LPAR 0x0068 /* PHY link partner ability */
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#define RL_ANER 0x006A /* PHY autoneg expansion */
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#define RL_DISCCNT 0x006C /* disconnect counter */
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#define RL_FALSECAR 0x006E /* false carrier counter */
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#define RL_NWAYTST 0x0070 /* NWAY test register */
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#define RL_RX_ER 0x0072 /* RX_ER counter */
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#define RL_CSCFG 0x0074 /* CS configuration register */
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/*
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* When operating in special C+ mode, some of the registers in an
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* 8139C+ chip have different definitions. These are also used for
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* the 8169 gigE chip.
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*/
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#define RL_DUMPSTATS_LO 0x0010 /* counter dump command register */
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#define RL_DUMPSTATS_HI 0x0014 /* counter dump command register */
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#define RL_TXLIST_ADDR_LO 0x0020 /* 64 bits, 256 byte alignment */
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#define RL_TXLIST_ADDR_HI 0x0024 /* 64 bits, 256 byte alignment */
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#define RL_TXLIST_ADDR_HPRIO_LO 0x0028 /* 64 bits, 256 byte alignment */
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#define RL_TXLIST_ADDR_HPRIO_HI 0x002C /* 64 bits, 256 byte alignment */
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#define RL_CFG2 0x0053
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#define RL_TIMERINT 0x0054 /* interrupt on timer expire */
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#define RL_TXSTART 0x00D9 /* 8 bits */
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#define RL_CPLUS_CMD 0x00E0 /* 16 bits */
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#define RL_RXLIST_ADDR_LO 0x00E4 /* 64 bits, 256 byte alignment */
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#define RL_RXLIST_ADDR_HI 0x00E8 /* 64 bits, 256 byte alignment */
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#define RL_EARLY_TX_THRESH 0x00EC /* 8 bits */
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/*
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* Registers specific to the 8169 gigE chip
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*/
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#define RL_TIMERINT_8169 0x0058 /* different offset than 8139 */
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#define RL_PHYAR 0x0060
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#define RL_TBICSR 0x0064
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#define RL_TBI_ANAR 0x0068
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#define RL_TBI_LPAR 0x006A
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#define RL_GMEDIASTAT 0x006C /* 8 bits */
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#define RL_MAXRXPKTLEN 0x00DA /* 16 bits, chip multiplies by 8 */
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#define RL_GTXSTART 0x0038 /* 16 bits */
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/*
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* TX config register bits
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*/
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#define RL_TXCFG_CLRABRT 0x00000001 /* retransmit aborted pkt */
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#define RL_TXCFG_MAXDMA 0x00000700 /* max DMA burst size */
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#define RL_TXCFG_CRCAPPEND 0x00010000 /* CRC append (0 = yes) */
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#define RL_TXCFG_LOOPBKTST 0x00060000 /* loopback test */
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#define RL_TXCFG_IFG2 0x00080000 /* 8169 only */
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#define RL_TXCFG_IFG 0x03000000 /* interframe gap */
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#define RL_TXCFG_HWREV 0x7CC00000
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#define RL_LOOPTEST_OFF 0x00000000
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#define RL_LOOPTEST_ON 0x00020000
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#define RL_LOOPTEST_ON_CPLUS 0x00060000
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/* Known revision codes. */
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#define RL_HWREV_8169 0x00000000
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#define RL_HWREV_8110S 0x00800000
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#define RL_HWREV_8169S 0x04000000
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#define RL_HWREV_8169_8110SB 0x10000000
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#define RL_HWREV_8169_8110SC 0x18000000
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#define RL_HWREV_8168_SPIN1 0x30000000
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#define RL_HWREV_8100E 0x30800000
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#define RL_HWREV_8101E 0x34000000
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#define RL_HWREV_8168_SPIN2 0x38000000
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#define RL_HWREV_8139 0x60000000
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#define RL_HWREV_8139A 0x70000000
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#define RL_HWREV_8139AG 0x70800000
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#define RL_HWREV_8139B 0x78000000
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#define RL_HWREV_8130 0x7C000000
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#define RL_HWREV_8139C 0x74000000
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#define RL_HWREV_8139D 0x74400000
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#define RL_HWREV_8139CPLUS 0x74800000
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#define RL_HWREV_8101 0x74c00000
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#define RL_HWREV_8100 0x78800000
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#define RL_TXDMA_16BYTES 0x00000000
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#define RL_TXDMA_32BYTES 0x00000100
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#define RL_TXDMA_64BYTES 0x00000200
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#define RL_TXDMA_128BYTES 0x00000300
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#define RL_TXDMA_256BYTES 0x00000400
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#define RL_TXDMA_512BYTES 0x00000500
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#define RL_TXDMA_1024BYTES 0x00000600
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#define RL_TXDMA_2048BYTES 0x00000700
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/*
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* Transmit descriptor status register bits.
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*/
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#define RL_TXSTAT_LENMASK 0x00001FFF
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#define RL_TXSTAT_OWN 0x00002000
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#define RL_TXSTAT_TX_UNDERRUN 0x00004000
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#define RL_TXSTAT_TX_OK 0x00008000
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#define RL_TXSTAT_EARLY_THRESH 0x003F0000
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#define RL_TXSTAT_COLLCNT 0x0F000000
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#define RL_TXSTAT_CARR_HBEAT 0x10000000
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#define RL_TXSTAT_OUTOFWIN 0x20000000
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#define RL_TXSTAT_TXABRT 0x40000000
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#define RL_TXSTAT_CARRLOSS 0x80000000
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/*
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* Interrupt status register bits.
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*/
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#define RL_ISR_RX_OK 0x0001
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#define RL_ISR_RX_ERR 0x0002
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#define RL_ISR_TX_OK 0x0004
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#define RL_ISR_TX_ERR 0x0008
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#define RL_ISR_RX_OVERRUN 0x0010
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#define RL_ISR_PKT_UNDERRUN 0x0020
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#define RL_ISR_LINKCHG 0x0020 /* 8169 only */
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#define RL_ISR_FIFO_OFLOW 0x0040 /* 8139 only */
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#define RL_ISR_TX_DESC_UNAVAIL 0x0080 /* C+ only */
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#define RL_ISR_SWI 0x0100 /* C+ only */
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#define RL_ISR_CABLE_LEN_CHGD 0x2000
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#define RL_ISR_PCS_TIMEOUT 0x4000 /* 8129 only */
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#define RL_ISR_TIMEOUT_EXPIRED 0x4000
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#define RL_ISR_SYSTEM_ERR 0x8000
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#define RL_INTRS \
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(RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \
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RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
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RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR)
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#ifdef RE_TX_MODERATION
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#define RL_INTRS_CPLUS \
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(RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \
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RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
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RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED)
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#else
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#define RL_INTRS_CPLUS \
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(RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|RL_ISR_TX_OK| \
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RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
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RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED)
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#endif
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/*
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* Media status register. (8139 only)
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*/
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#define RL_MEDIASTAT_RXPAUSE 0x01
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#define RL_MEDIASTAT_TXPAUSE 0x02
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#define RL_MEDIASTAT_LINK 0x04
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#define RL_MEDIASTAT_SPEED10 0x08
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#define RL_MEDIASTAT_RXFLOWCTL 0x40 /* duplex mode */
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#define RL_MEDIASTAT_TXFLOWCTL 0x80 /* duplex mode */
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/*
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* Receive config register.
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*/
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#define RL_RXCFG_RX_ALLPHYS 0x00000001 /* accept all nodes */
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#define RL_RXCFG_RX_INDIV 0x00000002 /* match filter */
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#define RL_RXCFG_RX_MULTI 0x00000004 /* accept all multicast */
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#define RL_RXCFG_RX_BROAD 0x00000008 /* accept all broadcast */
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#define RL_RXCFG_RX_RUNT 0x00000010
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#define RL_RXCFG_RX_ERRPKT 0x00000020
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#define RL_RXCFG_WRAP 0x00000080
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#define RL_RXCFG_MAXDMA 0x00000700
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#define RL_RXCFG_BUFSZ 0x00001800
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#define RL_RXCFG_FIFOTHRESH 0x0000E000
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#define RL_RXCFG_EARLYTHRESH 0x07000000
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#define RL_RXDMA_16BYTES 0x00000000
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#define RL_RXDMA_32BYTES 0x00000100
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#define RL_RXDMA_64BYTES 0x00000200
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#define RL_RXDMA_128BYTES 0x00000300
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#define RL_RXDMA_256BYTES 0x00000400
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#define RL_RXDMA_512BYTES 0x00000500
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#define RL_RXDMA_1024BYTES 0x00000600
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#define RL_RXDMA_UNLIMITED 0x00000700
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#define RL_RXBUF_8 0x00000000
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#define RL_RXBUF_16 0x00000800
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#define RL_RXBUF_32 0x00001000
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#define RL_RXBUF_64 0x00001800
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#define RL_RXFIFO_16BYTES 0x00000000
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#define RL_RXFIFO_32BYTES 0x00002000
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#define RL_RXFIFO_64BYTES 0x00004000
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#define RL_RXFIFO_128BYTES 0x00006000
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#define RL_RXFIFO_256BYTES 0x00008000
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#define RL_RXFIFO_512BYTES 0x0000A000
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#define RL_RXFIFO_1024BYTES 0x0000C000
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#define RL_RXFIFO_NOTHRESH 0x0000E000
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/*
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* Bits in RX status header (included with RX'ed packet
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* in ring buffer).
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*/
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#define RL_RXSTAT_RXOK 0x00000001
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#define RL_RXSTAT_ALIGNERR 0x00000002
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#define RL_RXSTAT_CRCERR 0x00000004
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#define RL_RXSTAT_GIANT 0x00000008
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#define RL_RXSTAT_RUNT 0x00000010
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#define RL_RXSTAT_BADSYM 0x00000020
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#define RL_RXSTAT_BROAD 0x00002000
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#define RL_RXSTAT_INDIV 0x00004000
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#define RL_RXSTAT_MULTI 0x00008000
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#define RL_RXSTAT_LENMASK 0xFFFF0000
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#define RL_RXSTAT_UNFINISHED 0xFFF0 /* DMA still in progress */
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/*
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* Command register.
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*/
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#define RL_CMD_EMPTY_RXBUF 0x0001
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#define RL_CMD_TX_ENB 0x0004
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#define RL_CMD_RX_ENB 0x0008
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#define RL_CMD_RESET 0x0010
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/*
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* EEPROM control register
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*/
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#define RL_EE_DATAOUT 0x01 /* Data out */
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#define RL_EE_DATAIN 0x02 /* Data in */
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#define RL_EE_CLK 0x04 /* clock */
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#define RL_EE_SEL 0x08 /* chip select */
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#define RL_EE_MODE (0x40|0x80)
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#define RL_EEMODE_OFF 0x00
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#define RL_EEMODE_AUTOLOAD 0x40
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#define RL_EEMODE_PROGRAM 0x80
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#define RL_EEMODE_WRITECFG (0x80|0x40)
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/* 9346 EEPROM commands */
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#define RL_9346_WRITE 0x5
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#define RL_9346_READ 0x6
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#define RL_9346_ERASE 0x7
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#define RL_9346_EWEN 0x4
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#define RL_9346_EWEN_ADDR 0x30
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#define RL_9456_EWDS 0x4
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#define RL_9346_EWDS_ADDR 0x00
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#define RL_EECMD_WRITE 0x140
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#define RL_EECMD_READ_6BIT 0x180
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#define RL_EECMD_READ_8BIT 0x600
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#define RL_EECMD_ERASE 0x1c0
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#define RL_EE_ID 0x00
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#define RL_EE_PCI_VID 0x01
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#define RL_EE_PCI_DID 0x02
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/* Location of station address inside EEPROM */
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#define RL_EE_EADDR 0x07
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/*
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* MII register (8129 only)
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*/
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#define RL_MII_CLK 0x01
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#define RL_MII_DATAIN 0x02
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#define RL_MII_DATAOUT 0x04
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#define RL_MII_DIR 0x80 /* 0 == input, 1 == output */
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/*
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* Config 0 register
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*/
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#define RL_CFG0_ROM0 0x01
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#define RL_CFG0_ROM1 0x02
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#define RL_CFG0_ROM2 0x04
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#define RL_CFG0_PL0 0x08
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#define RL_CFG0_PL1 0x10
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#define RL_CFG0_10MBPS 0x20 /* 10 Mbps internal mode */
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#define RL_CFG0_PCS 0x40
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#define RL_CFG0_SCR 0x80
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/*
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* Config 1 register
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*/
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#define RL_CFG1_PWRDWN 0x01
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#define RL_CFG1_SLEEP 0x02
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#define RL_CFG1_IOMAP 0x04
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#define RL_CFG1_MEMMAP 0x08
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#define RL_CFG1_RSVD 0x10
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#define RL_CFG1_DRVLOAD 0x20
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#define RL_CFG1_LED0 0x40
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#define RL_CFG1_FULLDUPLEX 0x40 /* 8129 only */
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#define RL_CFG1_LED1 0x80
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/*
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* 8139C+ register definitions
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*/
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/* RL_DUMPSTATS_LO register */
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#define RL_DUMPSTATS_START 0x00000008
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/* Transmit start register */
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#define RL_TXSTART_SWI 0x01 /* generate TX interrupt */
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#define RL_TXSTART_START 0x40 /* start normal queue transmit */
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#define RL_TXSTART_HPRIO_START 0x80 /* start hi prio queue transmit */
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/*
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* Config 2 register, 8139C+/8169/8169S/8110S only
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*/
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#define RL_CFG2_BUSFREQ 0x07
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#define RL_CFG2_BUSWIDTH 0x08
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#define RL_CFG2_AUXPWRSTS 0x10
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#define RL_BUSFREQ_33MHZ 0x00
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#define RL_BUSFREQ_66MHZ 0x01
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#define RL_BUSWIDTH_32BITS 0x00
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#define RL_BUSWIDTH_64BITS 0x08
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/* C+ mode command register */
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#define RL_CPLUSCMD_TXENB 0x0001 /* enable C+ transmit mode */
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#define RL_CPLUSCMD_RXENB 0x0002 /* enable C+ receive mode */
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#define RL_CPLUSCMD_PCI_MRW 0x0008 /* enable PCI multi-read/write */
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#define RL_CPLUSCMD_PCI_DAC 0x0010 /* PCI dual-address cycle only */
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#define RL_CPLUSCMD_RXCSUM_ENB 0x0020 /* enable RX checksum offload */
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#define RL_CPLUSCMD_VLANSTRIP 0x0040 /* enable VLAN tag stripping */
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/* C+ early transmit threshold */
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#define RL_EARLYTXTHRESH_CNT 0x003F /* byte count times 8 */
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/*
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* Gigabit PHY access register (8169 only)
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*/
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#define RL_PHYAR_PHYDATA 0x0000FFFF
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#define RL_PHYAR_PHYREG 0x001F0000
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#define RL_PHYAR_BUSY 0x80000000
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/*
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* Gigabit media status (8169 only)
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*/
|
|
#define RL_GMEDIASTAT_FDX 0x01 /* full duplex */
|
|
#define RL_GMEDIASTAT_LINK 0x02 /* link up */
|
|
#define RL_GMEDIASTAT_10MBPS 0x04 /* 10mps link */
|
|
#define RL_GMEDIASTAT_100MBPS 0x08 /* 100mbps link */
|
|
#define RL_GMEDIASTAT_1000MBPS 0x10 /* gigE link */
|
|
#define RL_GMEDIASTAT_RXFLOW 0x20 /* RX flow control on */
|
|
#define RL_GMEDIASTAT_TXFLOW 0x40 /* TX flow control on */
|
|
#define RL_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.
|
|
*/
|
|
|
|
#define RL_RX_BUF_SZ RL_RXBUF_64
|
|
#define RL_RXBUFLEN (1 << ((RL_RX_BUF_SZ >> 11) + 13))
|
|
#define RL_TX_LIST_CNT 4
|
|
#define RL_MIN_FRAMELEN 60
|
|
#define RL_TXTHRESH(x) ((x) << 11)
|
|
#define RL_TX_THRESH_INIT 96
|
|
#define RL_RX_FIFOTHRESH RL_RXFIFO_NOTHRESH
|
|
#define RL_RX_MAXDMA RL_RXDMA_UNLIMITED
|
|
#define RL_TX_MAXDMA RL_TXDMA_2048BYTES
|
|
|
|
#define RL_RXCFG_CONFIG (RL_RX_FIFOTHRESH|RL_RX_MAXDMA|RL_RX_BUF_SZ)
|
|
#define RL_TXCFG_CONFIG (RL_TXCFG_IFG|RL_TX_MAXDMA)
|
|
|
|
#define RL_ETHER_ALIGN 2
|
|
|
|
struct rl_chain_data {
|
|
uint16_t cur_rx;
|
|
uint8_t *rl_rx_buf;
|
|
uint8_t *rl_rx_buf_ptr;
|
|
bus_dmamap_t rl_rx_dmamap;
|
|
|
|
struct mbuf *rl_tx_chain[RL_TX_LIST_CNT];
|
|
bus_dmamap_t rl_tx_dmamap[RL_TX_LIST_CNT];
|
|
uint8_t last_tx;
|
|
uint8_t cur_tx;
|
|
};
|
|
|
|
#define RL_INC(x) (x = (x + 1) % RL_TX_LIST_CNT)
|
|
#define RL_CUR_TXADDR(x) ((x->rl_cdata.cur_tx * 4) + RL_TXADDR0)
|
|
#define RL_CUR_TXSTAT(x) ((x->rl_cdata.cur_tx * 4) + RL_TXSTAT0)
|
|
#define RL_CUR_TXMBUF(x) (x->rl_cdata.rl_tx_chain[x->rl_cdata.cur_tx])
|
|
#define RL_CUR_DMAMAP(x) (x->rl_cdata.rl_tx_dmamap[x->rl_cdata.cur_tx])
|
|
#define RL_LAST_TXADDR(x) ((x->rl_cdata.last_tx * 4) + RL_TXADDR0)
|
|
#define RL_LAST_TXSTAT(x) ((x->rl_cdata.last_tx * 4) + RL_TXSTAT0)
|
|
#define RL_LAST_TXMBUF(x) (x->rl_cdata.rl_tx_chain[x->rl_cdata.last_tx])
|
|
#define RL_LAST_DMAMAP(x) (x->rl_cdata.rl_tx_dmamap[x->rl_cdata.last_tx])
|
|
|
|
struct rl_type {
|
|
uint16_t rl_vid;
|
|
uint16_t rl_did;
|
|
int rl_basetype;
|
|
char *rl_name;
|
|
};
|
|
|
|
struct rl_hwrev {
|
|
uint32_t rl_rev;
|
|
int rl_type;
|
|
char *rl_desc;
|
|
};
|
|
|
|
struct rl_mii_frame {
|
|
uint8_t mii_stdelim;
|
|
uint8_t mii_opcode;
|
|
uint8_t mii_phyaddr;
|
|
uint8_t mii_regaddr;
|
|
uint8_t mii_turnaround;
|
|
uint16_t mii_data;
|
|
};
|
|
|
|
/*
|
|
* MII constants
|
|
*/
|
|
#define RL_MII_STARTDELIM 0x01
|
|
#define RL_MII_READOP 0x02
|
|
#define RL_MII_WRITEOP 0x01
|
|
#define RL_MII_TURNAROUND 0x02
|
|
|
|
#define RL_8129 1
|
|
#define RL_8139 2
|
|
#define RL_8139CPLUS 3
|
|
#define RL_8169 4
|
|
|
|
#define RL_ISCPLUS(x) ((x)->rl_type == RL_8139CPLUS || \
|
|
(x)->rl_type == RL_8169)
|
|
|
|
/*
|
|
* 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 rl_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 rl_desc {
|
|
uint32_t rl_cmdstat;
|
|
uint32_t rl_vlanctl;
|
|
uint32_t rl_bufaddr_lo;
|
|
uint32_t rl_bufaddr_hi;
|
|
};
|
|
|
|
#define RL_TDESC_CMD_FRAGLEN 0x0000FFFF
|
|
#define RL_TDESC_CMD_TCPCSUM 0x00010000 /* TCP checksum enable */
|
|
#define RL_TDESC_CMD_UDPCSUM 0x00020000 /* UDP checksum enable */
|
|
#define RL_TDESC_CMD_IPCSUM 0x00040000 /* IP header checksum enable */
|
|
#define RL_TDESC_CMD_MSSVAL 0x07FF0000 /* Large send MSS value */
|
|
#define RL_TDESC_CMD_MSSVAL_SHIFT 16 /* Large send MSS value shift */
|
|
#define RL_TDESC_CMD_LGSEND 0x08000000 /* TCP large send enb */
|
|
#define RL_TDESC_CMD_EOF 0x10000000 /* end of frame marker */
|
|
#define RL_TDESC_CMD_SOF 0x20000000 /* start of frame marker */
|
|
#define RL_TDESC_CMD_EOR 0x40000000 /* end of ring marker */
|
|
#define RL_TDESC_CMD_OWN 0x80000000 /* chip owns descriptor */
|
|
|
|
#define RL_TDESC_VLANCTL_TAG 0x00020000 /* Insert VLAN tag */
|
|
#define RL_TDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */
|
|
|
|
/*
|
|
* Error bits are valid only on the last descriptor of a frame
|
|
* (i.e. RL_TDESC_CMD_EOF == 1)
|
|
*/
|
|
|
|
#define RL_TDESC_STAT_COLCNT 0x000F0000 /* collision count */
|
|
#define RL_TDESC_STAT_EXCESSCOL 0x00100000 /* excessive collisions */
|
|
#define RL_TDESC_STAT_LINKFAIL 0x00200000 /* link faulure */
|
|
#define RL_TDESC_STAT_OWINCOL 0x00400000 /* out-of-window collision */
|
|
#define RL_TDESC_STAT_TXERRSUM 0x00800000 /* transmit error summary */
|
|
#define RL_TDESC_STAT_UNDERRUN 0x02000000 /* TX underrun occured */
|
|
#define RL_TDESC_STAT_OWN 0x80000000
|
|
|
|
/*
|
|
* RX descriptor cmd/vlan definitions
|
|
*/
|
|
|
|
#define RL_RDESC_CMD_EOR 0x40000000
|
|
#define RL_RDESC_CMD_OWN 0x80000000
|
|
#define RL_RDESC_CMD_BUFLEN 0x00001FFF
|
|
|
|
#define RL_RDESC_STAT_OWN 0x80000000
|
|
#define RL_RDESC_STAT_EOR 0x40000000
|
|
#define RL_RDESC_STAT_SOF 0x20000000
|
|
#define RL_RDESC_STAT_EOF 0x10000000
|
|
#define RL_RDESC_STAT_FRALIGN 0x08000000 /* frame alignment error */
|
|
#define RL_RDESC_STAT_MCAST 0x04000000 /* multicast pkt received */
|
|
#define RL_RDESC_STAT_UCAST 0x02000000 /* unicast pkt received */
|
|
#define RL_RDESC_STAT_BCAST 0x01000000 /* broadcast pkt received */
|
|
#define RL_RDESC_STAT_BUFOFLOW 0x00800000 /* out of buffer space */
|
|
#define RL_RDESC_STAT_FIFOOFLOW 0x00400000 /* FIFO overrun */
|
|
#define RL_RDESC_STAT_GIANT 0x00200000 /* pkt > 4096 bytes */
|
|
#define RL_RDESC_STAT_RXERRSUM 0x00100000 /* RX error summary */
|
|
#define RL_RDESC_STAT_RUNT 0x00080000 /* runt packet received */
|
|
#define RL_RDESC_STAT_CRCERR 0x00040000 /* CRC error */
|
|
#define RL_RDESC_STAT_PROTOID 0x00030000 /* Protocol type */
|
|
#define RL_RDESC_STAT_IPSUMBAD 0x00008000 /* IP header checksum bad */
|
|
#define RL_RDESC_STAT_UDPSUMBAD 0x00004000 /* UDP checksum bad */
|
|
#define RL_RDESC_STAT_TCPSUMBAD 0x00002000 /* TCP checksum bad */
|
|
#define RL_RDESC_STAT_FRAGLEN 0x00001FFF /* RX'ed frame/frag len */
|
|
#define RL_RDESC_STAT_GFRAGLEN 0x00003FFF /* RX'ed frame/frag len */
|
|
#define RL_RDESC_STAT_ERRS (RL_RDESC_STAT_GIANT|RL_RDESC_STAT_RUNT| \
|
|
RL_RDESC_STAT_CRCERR)
|
|
|
|
#define RL_RDESC_VLANCTL_TAG 0x00010000 /* VLAN tag available
|
|
(rl_vlandata valid)*/
|
|
#define RL_RDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */
|
|
|
|
#define RL_PROTOID_NONIP 0x00000000
|
|
#define RL_PROTOID_TCPIP 0x00010000
|
|
#define RL_PROTOID_UDPIP 0x00020000
|
|
#define RL_PROTOID_IP 0x00030000
|
|
#define RL_TCPPKT(x) (((x) & RL_RDESC_STAT_PROTOID) == \
|
|
RL_PROTOID_TCPIP)
|
|
#define RL_UDPPKT(x) (((x) & RL_RDESC_STAT_PROTOID) == \
|
|
RL_PROTOID_UDPIP)
|
|
|
|
/*
|
|
* Statistics counter structure (8139C+ and 8169 only)
|
|
*/
|
|
struct rl_stats {
|
|
uint32_t rl_tx_pkts_lo;
|
|
uint32_t rl_tx_pkts_hi;
|
|
uint32_t rl_tx_errs_lo;
|
|
uint32_t rl_tx_errs_hi;
|
|
uint32_t rl_tx_errs;
|
|
uint16_t rl_missed_pkts;
|
|
uint16_t rl_rx_framealign_errs;
|
|
uint32_t rl_tx_onecoll;
|
|
uint32_t rl_tx_multicolls;
|
|
uint32_t rl_rx_ucasts_hi;
|
|
uint32_t rl_rx_ucasts_lo;
|
|
uint32_t rl_rx_bcasts_lo;
|
|
uint32_t rl_rx_bcasts_hi;
|
|
uint32_t rl_rx_mcasts;
|
|
uint16_t rl_tx_aborts;
|
|
uint16_t rl_rx_underruns;
|
|
};
|
|
|
|
/*
|
|
* Rx/Tx descriptor parameters (8139C+ and 8169 only)
|
|
*
|
|
* Tx/Rx count must be equal. Shared code like re_dma_map_desc assumes this.
|
|
* Buffers must be a multiple of 8 bytes. Currently limit to 64 descriptors
|
|
* due to the 8139C+. We need to put the number of descriptors in the ring
|
|
* structure and use that value instead.
|
|
*/
|
|
#ifndef __NO_STRICT_ALIGNMENT
|
|
#define RE_FIXUP_RX 1
|
|
#endif
|
|
|
|
#define RL_TX_DESC_CNT 64
|
|
#define RL_RX_DESC_CNT RL_TX_DESC_CNT
|
|
|
|
#define RL_RX_LIST_SZ (RL_RX_DESC_CNT * sizeof(struct rl_desc))
|
|
#define RL_TX_LIST_SZ (RL_TX_DESC_CNT * sizeof(struct rl_desc))
|
|
#define RL_RING_ALIGN 256
|
|
#define RL_IFQ_MAXLEN 512
|
|
#define RL_DESC_INC(x) (x = (x + 1) % RL_TX_DESC_CNT)
|
|
#define RL_OWN(x) (le32toh((x)->rl_cmdstat) & RL_RDESC_STAT_OWN)
|
|
#define RL_RXBYTES(x) (le32toh((x)->rl_cmdstat) & sc->rl_rxlenmask)
|
|
#define RL_PKTSZ(x) ((x)/* >> 3*/)
|
|
#ifdef RE_FIXUP_RX
|
|
#define RE_ETHER_ALIGN sizeof(uint64_t)
|
|
#define RE_RX_DESC_BUFLEN (MCLBYTES - RE_ETHER_ALIGN)
|
|
#else
|
|
#define RE_ETHER_ALIGN 0
|
|
#define RE_RX_DESC_BUFLEN MCLBYTES
|
|
#endif
|
|
|
|
#define RL_ADDR_LO(y) ((uint64_t) (y) & 0xFFFFFFFF)
|
|
#define RL_ADDR_HI(y) ((uint64_t) (y) >> 32)
|
|
|
|
/* see comment in dev/re/if_re.c */
|
|
#define RL_JUMBO_FRAMELEN 7440
|
|
#define RL_JUMBO_MTU (RL_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
|
|
|
|
struct rl_softc;
|
|
|
|
struct rl_dmaload_arg {
|
|
struct rl_softc *sc;
|
|
int rl_idx;
|
|
int rl_maxsegs;
|
|
uint32_t rl_flags;
|
|
struct rl_desc *rl_ring;
|
|
};
|
|
|
|
struct rl_list_data {
|
|
struct mbuf *rl_tx_mbuf[RL_TX_DESC_CNT];
|
|
struct mbuf *rl_rx_mbuf[RL_RX_DESC_CNT];
|
|
int rl_tx_prodidx;
|
|
int rl_rx_prodidx;
|
|
int rl_tx_considx;
|
|
int rl_tx_free;
|
|
bus_dmamap_t rl_tx_dmamap[RL_TX_DESC_CNT];
|
|
bus_dmamap_t rl_rx_dmamap[RL_RX_DESC_CNT];
|
|
bus_dma_tag_t rl_mtag; /* mbuf mapping tag */
|
|
bus_dma_tag_t rl_stag; /* stats mapping tag */
|
|
bus_dmamap_t rl_smap; /* stats map */
|
|
struct rl_stats *rl_stats;
|
|
bus_addr_t rl_stats_addr;
|
|
bus_dma_tag_t rl_rx_list_tag;
|
|
bus_dmamap_t rl_rx_list_map;
|
|
struct rl_desc *rl_rx_list;
|
|
bus_addr_t rl_rx_list_addr;
|
|
bus_dma_tag_t rl_tx_list_tag;
|
|
bus_dmamap_t rl_tx_list_map;
|
|
struct rl_desc *rl_tx_list;
|
|
bus_addr_t rl_tx_list_addr;
|
|
};
|
|
|
|
struct rl_softc {
|
|
struct ifnet *rl_ifp; /* interface info */
|
|
bus_space_handle_t rl_bhandle; /* bus space handle */
|
|
bus_space_tag_t rl_btag; /* bus space tag */
|
|
device_t rl_dev;
|
|
struct resource *rl_res;
|
|
struct resource *rl_irq;
|
|
void *rl_intrhand;
|
|
device_t rl_miibus;
|
|
bus_dma_tag_t rl_parent_tag;
|
|
bus_dma_tag_t rl_tag;
|
|
uint8_t rl_type;
|
|
int rl_eecmd_read;
|
|
int rl_eewidth;
|
|
uint8_t rl_stats_no_timeout;
|
|
int rl_txthresh;
|
|
struct rl_chain_data rl_cdata;
|
|
struct rl_list_data rl_ldata;
|
|
struct callout rl_stat_callout;
|
|
int rl_watchdog_timer;
|
|
struct mtx rl_mtx;
|
|
struct mbuf *rl_head;
|
|
struct mbuf *rl_tail;
|
|
uint32_t rl_hwrev;
|
|
uint32_t rl_rxlenmask;
|
|
int rl_testmode;
|
|
int suspended; /* 0 = normal 1 = suspended */
|
|
#ifdef DEVICE_POLLING
|
|
int rxcycles;
|
|
#endif
|
|
|
|
struct task rl_txtask;
|
|
struct task rl_inttask;
|
|
|
|
struct mtx rl_intlock;
|
|
int rl_txstart;
|
|
int rl_link;
|
|
};
|
|
|
|
#define RL_LOCK(_sc) mtx_lock(&(_sc)->rl_mtx)
|
|
#define RL_UNLOCK(_sc) mtx_unlock(&(_sc)->rl_mtx)
|
|
#define RL_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->rl_mtx, MA_OWNED)
|
|
|
|
/*
|
|
* register space access macros
|
|
*/
|
|
#define CSR_WRITE_STREAM_4(sc, reg, val) \
|
|
bus_space_write_stream_4(sc->rl_btag, sc->rl_bhandle, reg, val)
|
|
#define CSR_WRITE_4(sc, reg, val) \
|
|
bus_space_write_4(sc->rl_btag, sc->rl_bhandle, reg, val)
|
|
#define CSR_WRITE_2(sc, reg, val) \
|
|
bus_space_write_2(sc->rl_btag, sc->rl_bhandle, reg, val)
|
|
#define CSR_WRITE_1(sc, reg, val) \
|
|
bus_space_write_1(sc->rl_btag, sc->rl_bhandle, reg, val)
|
|
|
|
#define CSR_READ_4(sc, reg) \
|
|
bus_space_read_4(sc->rl_btag, sc->rl_bhandle, reg)
|
|
#define CSR_READ_2(sc, reg) \
|
|
bus_space_read_2(sc->rl_btag, sc->rl_bhandle, reg)
|
|
#define CSR_READ_1(sc, reg) \
|
|
bus_space_read_1(sc->rl_btag, sc->rl_bhandle, reg)
|
|
|
|
#define CSR_SETBIT_1(sc, offset, val) \
|
|
CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) | (val))
|
|
|
|
#define CSR_CLRBIT_1(sc, offset, val) \
|
|
CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) & ~(val))
|
|
|
|
#define CSR_SETBIT_2(sc, offset, val) \
|
|
CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) | (val))
|
|
|
|
#define CSR_CLRBIT_2(sc, offset, val) \
|
|
CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) & ~(val))
|
|
|
|
#define CSR_SETBIT_4(sc, offset, val) \
|
|
CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) | (val))
|
|
|
|
#define CSR_CLRBIT_4(sc, offset, val) \
|
|
CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) & ~(val))
|
|
|
|
#define RL_TIMEOUT 1000
|
|
|
|
/*
|
|
* General constants that are fun to know.
|
|
*
|
|
* RealTek PCI vendor ID
|
|
*/
|
|
#define RT_VENDORID 0x10EC
|
|
|
|
/*
|
|
* RealTek chip device IDs.
|
|
*/
|
|
#define RT_DEVICEID_8129 0x8129
|
|
#define RT_DEVICEID_8101E 0x8136
|
|
#define RT_DEVICEID_8138 0x8138
|
|
#define RT_DEVICEID_8139 0x8139
|
|
#define RT_DEVICEID_8169SC 0x8167
|
|
#define RT_DEVICEID_8168 0x8168
|
|
#define RT_DEVICEID_8169 0x8169
|
|
#define RT_DEVICEID_8100 0x8100
|
|
|
|
#define RT_REVID_8139CPLUS 0x20
|
|
|
|
/*
|
|
* Accton PCI vendor ID
|
|
*/
|
|
#define ACCTON_VENDORID 0x1113
|
|
|
|
/*
|
|
* Accton MPX 5030/5038 device ID.
|
|
*/
|
|
#define ACCTON_DEVICEID_5030 0x1211
|
|
|
|
/*
|
|
* Nortel PCI vendor ID
|
|
*/
|
|
#define NORTEL_VENDORID 0x126C
|
|
|
|
/*
|
|
* Delta Electronics Vendor ID.
|
|
*/
|
|
#define DELTA_VENDORID 0x1500
|
|
|
|
/*
|
|
* Delta device IDs.
|
|
*/
|
|
#define DELTA_DEVICEID_8139 0x1360
|
|
|
|
/*
|
|
* Addtron vendor ID.
|
|
*/
|
|
#define ADDTRON_VENDORID 0x4033
|
|
|
|
/*
|
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* Addtron device IDs.
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*/
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#define ADDTRON_DEVICEID_8139 0x1360
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/*
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* D-Link vendor ID.
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*/
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#define DLINK_VENDORID 0x1186
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/*
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* D-Link DFE-530TX+ device ID
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*/
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#define DLINK_DEVICEID_530TXPLUS 0x1300
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/*
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* D-Link DFE-5280T device ID
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*/
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#define DLINK_DEVICEID_528T 0x4300
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/*
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* D-Link DFE-690TXD device ID
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*/
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#define DLINK_DEVICEID_690TXD 0x1340
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/*
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* Corega K.K vendor ID
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*/
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#define COREGA_VENDORID 0x1259
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/*
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* Corega FEther CB-TXD device ID
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*/
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#define COREGA_DEVICEID_FETHERCBTXD 0xa117
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/*
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* Corega FEtherII CB-TXD device ID
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*/
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#define COREGA_DEVICEID_FETHERIICBTXD 0xa11e
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/*
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* Corega CG-LAPCIGT device ID
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*/
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#define COREGA_DEVICEID_CGLAPCIGT 0xc107
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/*
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* Linksys vendor ID
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*/
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#define LINKSYS_VENDORID 0x1737
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/*
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* Linksys EG1032 device ID
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*/
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#define LINKSYS_DEVICEID_EG1032 0x1032
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/*
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* Linksys EG1032 rev 3 sub-device ID
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*/
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#define LINKSYS_SUBDEVICE_EG1032_REV3 0x0024
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/*
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* Peppercon vendor ID
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*/
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#define PEPPERCON_VENDORID 0x1743
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/*
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* Peppercon ROL-F device ID
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|
*/
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#define PEPPERCON_DEVICEID_ROLF 0x8139
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/*
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* Planex Communications, Inc. vendor ID
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|
*/
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#define PLANEX_VENDORID 0x14ea
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/*
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* Planex FNW-3800-TX device ID
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|
*/
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#define PLANEX_DEVICEID_FNW3800TX 0xab07
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/*
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* LevelOne vendor ID
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|
*/
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#define LEVEL1_VENDORID 0x018A
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/*
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* LevelOne FPC-0106TX devide ID
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|
*/
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#define LEVEL1_DEVICEID_FPC0106TX 0x0106
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|
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/*
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* Compaq vendor ID
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|
*/
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#define CP_VENDORID 0x021B
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/*
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* Edimax vendor ID
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|
*/
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#define EDIMAX_VENDORID 0x13D1
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|
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/*
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* Edimax EP-4103DL cardbus device ID
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|
*/
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|
#define EDIMAX_DEVICEID_EP4103DL 0xAB06
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/* US Robotics vendor ID */
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#define USR_VENDORID 0x16EC
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|
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/* US Robotics 997902 device ID */
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|
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#define USR_DEVICEID_997902 0x0116
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|
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/*
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* PCI low memory base and low I/O base register, and
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* other PCI registers.
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*/
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#define RL_PCI_VENDOR_ID 0x00
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#define RL_PCI_DEVICE_ID 0x02
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#define RL_PCI_COMMAND 0x04
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#define RL_PCI_STATUS 0x06
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|
#define RL_PCI_CLASSCODE 0x09
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|
#define RL_PCI_LATENCY_TIMER 0x0D
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|
#define RL_PCI_HEADER_TYPE 0x0E
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|
#define RL_PCI_LOIO 0x10
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|
#define RL_PCI_LOMEM 0x14
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|
#define RL_PCI_BIOSROM 0x30
|
|
#define RL_PCI_INTLINE 0x3C
|
|
#define RL_PCI_INTPIN 0x3D
|
|
#define RL_PCI_MINGNT 0x3E
|
|
#define RL_PCI_MINLAT 0x0F
|
|
#define RL_PCI_RESETOPT 0x48
|
|
#define RL_PCI_EEPROM_DATA 0x4C
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|
|
|
#define RL_PCI_CAPID 0x50 /* 8 bits */
|
|
#define RL_PCI_NEXTPTR 0x51 /* 8 bits */
|
|
#define RL_PCI_PWRMGMTCAP 0x52 /* 16 bits */
|
|
#define RL_PCI_PWRMGMTCTRL 0x54 /* 16 bits */
|
|
|
|
#define RL_PSTATE_MASK 0x0003
|
|
#define RL_PSTATE_D0 0x0000
|
|
#define RL_PSTATE_D1 0x0002
|
|
#define RL_PSTATE_D2 0x0002
|
|
#define RL_PSTATE_D3 0x0003
|
|
#define RL_PME_EN 0x0010
|
|
#define RL_PME_STATUS 0x8000
|