/*- * Copyright (c) 1997, 1998-2003 * Bill Paul . 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: src/sys/pci/if_rlreg.h,v 1.98 2009/08/24 18:58:13 yongari Exp $ */ /* * RealTek 8129/8139 register offsets */ #define RL_IDR0 0x0000 /* ID register 0 (station addr) */ #define RL_IDR1 0x0001 /* Must use 32-bit accesses (?) */ #define RL_IDR2 0x0002 #define RL_IDR3 0x0003 #define RL_IDR4 0x0004 #define RL_IDR5 0x0005 /* 0006-0007 reserved */ #define RL_MAR0 0x0008 /* Multicast hash table */ #define RL_MAR1 0x0009 #define RL_MAR2 0x000A #define RL_MAR3 0x000B #define RL_MAR4 0x000C #define RL_MAR5 0x000D #define RL_MAR6 0x000E #define RL_MAR7 0x000F #define RL_TXSTAT0 0x0010 /* status of TX descriptor 0 */ #define RL_TXSTAT1 0x0014 /* status of TX descriptor 1 */ #define RL_TXSTAT2 0x0018 /* status of TX descriptor 2 */ #define RL_TXSTAT3 0x001C /* status of TX descriptor 3 */ #define RL_TXADDR0 0x0020 /* address of TX descriptor 0 */ #define RL_TXADDR1 0x0024 /* address of TX descriptor 1 */ #define RL_TXADDR2 0x0028 /* address of TX descriptor 2 */ #define RL_TXADDR3 0x002C /* address of TX descriptor 3 */ #define RL_RXADDR 0x0030 /* RX ring start address */ #define RL_RX_EARLY_BYTES 0x0034 /* RX early byte count */ #define RL_RX_EARLY_STAT 0x0036 /* RX early status */ #define RL_COMMAND 0x0037 /* command register */ #define RL_CURRXADDR 0x0038 /* current address of packet read */ #define RL_CURRXBUF 0x003A /* current RX buffer address */ #define RL_IMR 0x003C /* interrupt mask register */ #define RL_ISR 0x003E /* interrupt status register */ #define RL_TXCFG 0x0040 /* transmit config */ #define RL_RXCFG 0x0044 /* receive config */ #define RL_TIMERCNT 0x0048 /* timer count register */ #define RL_MISSEDPKT 0x004C /* missed packet counter */ #define RL_EECMD 0x0050 /* EEPROM command register */ #define RL_CFG0 0x0051 /* config register #0 */ #define RL_CFG1 0x0052 /* config register #1 */ #define RL_CFG2 0x0053 /* config register #2 */ #define RL_CFG3 0x0054 /* config register #3 */ #define RL_CFG4 0x0055 /* config register #4 */ #define RL_CFG5 0x0056 /* config register #5 */ /* 0057 reserved */ #define RL_MEDIASTAT 0x0058 /* media status register (8139) */ /* 0059-005A reserved */ #define RL_MII 0x005A /* 8129 chip only */ #define RL_HALTCLK 0x005B #define RL_MULTIINTR 0x005C /* multiple interrupt */ #define RL_PCIREV 0x005E /* PCI revision value */ /* 005F reserved */ #define RL_TXSTAT_ALL 0x0060 /* TX status of all descriptors */ /* Direct PHY access registers only available on 8139 */ #define RL_BMCR 0x0062 /* PHY basic mode control */ #define RL_BMSR 0x0064 /* PHY basic mode status */ #define RL_ANAR 0x0066 /* PHY autoneg advert */ #define RL_LPAR 0x0068 /* PHY link partner ability */ #define RL_ANER 0x006A /* PHY autoneg expansion */ #define RL_DISCCNT 0x006C /* disconnect counter */ #define RL_FALSECAR 0x006E /* false carrier counter */ #define RL_NWAYTST 0x0070 /* NWAY test register */ #define RL_RX_ER 0x0072 /* RX_ER counter */ #define RL_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 RL_DUMPSTATS_LO 0x0010 /* counter dump command register */ #define RL_DUMPSTATS_HI 0x0014 /* counter dump command register */ #define RL_TXLIST_ADDR_LO 0x0020 /* 64 bits, 256 byte alignment */ #define RL_TXLIST_ADDR_HI 0x0024 /* 64 bits, 256 byte alignment */ #define RL_TXLIST_ADDR_HPRIO_LO 0x0028 /* 64 bits, 256 byte alignment */ #define RL_TXLIST_ADDR_HPRIO_HI 0x002C /* 64 bits, 256 byte alignment */ #define RL_CFG2 0x0053 #define RL_TIMERINT 0x0054 /* interrupt on timer expire */ #define RL_TXSTART 0x00D9 /* 8 bits */ #define RL_CPLUS_CMD 0x00E0 /* 16 bits */ #define RL_RXLIST_ADDR_LO 0x00E4 /* 64 bits, 256 byte alignment */ #define RL_RXLIST_ADDR_HI 0x00E8 /* 64 bits, 256 byte alignment */ #define RL_EARLY_TX_THRESH 0x00EC /* 8 bits */ /* * Registers specific to the 8169 gigE chip */ #define RL_TIMERINT_8169 0x0058 /* different offset than 8139 */ #define RL_PHYAR 0x0060 #define RL_TBICSR 0x0064 #define RL_TBI_ANAR 0x0068 #define RL_TBI_LPAR 0x006A #define RL_GMEDIASTAT 0x006C /* 8 bits */ #define RL_MACDBG 0x006D /* 8 bits, 8168C SPIN2 only */ #define RL_GPIO 0x006E /* 8 bits, 8168C SPIN2 only */ #define RL_MAXRXPKTLEN 0x00DA /* 16 bits, chip multiplies by 8 */ #define RL_GTXSTART 0x0038 /* 8 bits */ /* * TX config register bits */ #define RL_TXCFG_CLRABRT 0x00000001 /* retransmit aborted pkt */ #define RL_TXCFG_MAXDMA 0x00000700 /* max DMA burst size */ #define RL_TXCFG_CRCAPPEND 0x00010000 /* CRC append (0 = yes) */ #define RL_TXCFG_LOOPBKTST 0x00060000 /* loopback test */ #define RL_TXCFG_IFG2 0x00080000 /* 8169 only */ #define RL_TXCFG_IFG 0x03000000 /* interframe gap */ #define RL_TXCFG_HWREV 0x7CC00000 #define RL_LOOPTEST_OFF 0x00000000 #define RL_LOOPTEST_ON 0x00020000 #define RL_LOOPTEST_ON_CPLUS 0x00060000 /* Known revision codes. */ #define RL_HWREV_8169 0x00000000 #define RL_HWREV_8169S 0x00800000 #define RL_HWREV_8110S 0x04000000 #define RL_HWREV_8169_8110SB 0x10000000 #define RL_HWREV_8169_8110SC 0x18000000 #define RL_HWREV_8102EL 0x24800000 #define RL_HWREV_8102EL_SPIN1 0x24c00000 #define RL_HWREV_8168D 0x28000000 #define RL_HWREV_8168DP 0x28800000 #define RL_HWREV_8168_SPIN1 0x30000000 #define RL_HWREV_8100E 0x30800000 #define RL_HWREV_8101E 0x34000000 #define RL_HWREV_8102E 0x34800000 #define RL_HWREV_8168_SPIN2 0x38000000 #define RL_HWREV_8168_SPIN3 0x38400000 #define RL_HWREV_8168C 0x3C000000 #define RL_HWREV_8168C_SPIN2 0x3C400000 #define RL_HWREV_8168CP 0x3C800000 #define RL_HWREV_8139 0x60000000 #define RL_HWREV_8139A 0x70000000 #define RL_HWREV_8139AG 0x70800000 #define RL_HWREV_8139B 0x78000000 #define RL_HWREV_8130 0x7C000000 #define RL_HWREV_8139C 0x74000000 #define RL_HWREV_8139D 0x74400000 #define RL_HWREV_8139CPLUS 0x74800000 #define RL_HWREV_8101 0x74c00000 #define RL_HWREV_8100 0x78800000 #define RL_HWREV_8169_8110SBL 0x7CC00000 #define RL_HWREV_8169_8110SCE 0x98000000 #define RL_TXDMA_16BYTES 0x00000000 #define RL_TXDMA_32BYTES 0x00000100 #define RL_TXDMA_64BYTES 0x00000200 #define RL_TXDMA_128BYTES 0x00000300 #define RL_TXDMA_256BYTES 0x00000400 #define RL_TXDMA_512BYTES 0x00000500 #define RL_TXDMA_1024BYTES 0x00000600 #define RL_TXDMA_2048BYTES 0x00000700 /* * Transmit descriptor status register bits. */ #define RL_TXSTAT_LENMASK 0x00001FFF #define RL_TXSTAT_OWN 0x00002000 #define RL_TXSTAT_TX_UNDERRUN 0x00004000 #define RL_TXSTAT_TX_OK 0x00008000 #define RL_TXSTAT_EARLY_THRESH 0x003F0000 #define RL_TXSTAT_COLLCNT 0x0F000000 #define RL_TXSTAT_CARR_HBEAT 0x10000000 #define RL_TXSTAT_OUTOFWIN 0x20000000 #define RL_TXSTAT_TXABRT 0x40000000 #define RL_TXSTAT_CARRLOSS 0x80000000 /* * Interrupt status register bits. */ #define RL_ISR_RX_OK 0x0001 #define RL_ISR_RX_ERR 0x0002 #define RL_ISR_TX_OK 0x0004 #define RL_ISR_TX_ERR 0x0008 #define RL_ISR_RX_OVERRUN 0x0010 #define RL_ISR_PKT_UNDERRUN 0x0020 #define RL_ISR_LINKCHG 0x0020 /* 8169 only */ #define RL_ISR_FIFO_OFLOW 0x0040 /* 8139 only */ #define RL_ISR_TX_DESC_UNAVAIL 0x0080 /* C+ only */ #define RL_ISR_SWI 0x0100 /* C+ only */ #define RL_ISR_CABLE_LEN_CHGD 0x2000 #define RL_ISR_PCS_TIMEOUT 0x4000 /* 8129 only */ #define RL_ISR_TIMEOUT_EXPIRED 0x4000 #define RL_ISR_SYSTEM_ERR 0x8000 #define RL_INTRS \ (RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \ RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \ RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR) #ifdef RE_TX_MODERATION #define RL_INTRS_CPLUS \ (RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \ RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \ RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED) #else #define RL_INTRS_CPLUS \ (RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|RL_ISR_TX_OK| \ RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \ RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED) #endif /* * Media status register. (8139 only) */ #define RL_MEDIASTAT_RXPAUSE 0x01 #define RL_MEDIASTAT_TXPAUSE 0x02 #define RL_MEDIASTAT_LINK 0x04 #define RL_MEDIASTAT_SPEED10 0x08 #define RL_MEDIASTAT_RXFLOWCTL 0x40 /* duplex mode */ #define RL_MEDIASTAT_TXFLOWCTL 0x80 /* duplex mode */ /* * Receive config register. */ #define RL_RXCFG_RX_ALLPHYS 0x00000001 /* accept all nodes */ #define RL_RXCFG_RX_INDIV 0x00000002 /* match filter */ #define RL_RXCFG_RX_MULTI 0x00000004 /* accept all multicast */ #define RL_RXCFG_RX_BROAD 0x00000008 /* accept all broadcast */ #define RL_RXCFG_RX_RUNT 0x00000010 #define RL_RXCFG_RX_ERRPKT 0x00000020 #define RL_RXCFG_WRAP 0x00000080 #define RL_RXCFG_MAXDMA 0x00000700 #define RL_RXCFG_BUFSZ 0x00001800 #define RL_RXCFG_FIFOTHRESH 0x0000E000 #define RL_RXCFG_EARLYTHRESH 0x07000000 #define RL_RXDMA_16BYTES 0x00000000 #define RL_RXDMA_32BYTES 0x00000100 #define RL_RXDMA_64BYTES 0x00000200 #define RL_RXDMA_128BYTES 0x00000300 #define RL_RXDMA_256BYTES 0x00000400 #define RL_RXDMA_512BYTES 0x00000500 #define RL_RXDMA_1024BYTES 0x00000600 #define RL_RXDMA_UNLIMITED 0x00000700 #define RL_RXBUF_8 0x00000000 #define RL_RXBUF_16 0x00000800 #define RL_RXBUF_32 0x00001000 #define RL_RXBUF_64 0x00001800 #define RL_RXFIFO_16BYTES 0x00000000 #define RL_RXFIFO_32BYTES 0x00002000 #define RL_RXFIFO_64BYTES 0x00004000 #define RL_RXFIFO_128BYTES 0x00006000 #define RL_RXFIFO_256BYTES 0x00008000 #define RL_RXFIFO_512BYTES 0x0000A000 #define RL_RXFIFO_1024BYTES 0x0000C000 #define RL_RXFIFO_NOTHRESH 0x0000E000 /* * Bits in RX status header (included with RX'ed packet * in ring buffer). */ #define RL_RXSTAT_RXOK 0x00000001 #define RL_RXSTAT_ALIGNERR 0x00000002 #define RL_RXSTAT_CRCERR 0x00000004 #define RL_RXSTAT_GIANT 0x00000008 #define RL_RXSTAT_RUNT 0x00000010 #define RL_RXSTAT_BADSYM 0x00000020 #define RL_RXSTAT_BROAD 0x00002000 #define RL_RXSTAT_INDIV 0x00004000 #define RL_RXSTAT_MULTI 0x00008000 #define RL_RXSTAT_LENMASK 0xFFFF0000 #define RL_RXSTAT_UNFINISHED 0xFFF0 /* DMA still in progress */ /* * Command register. */ #define RL_CMD_EMPTY_RXBUF 0x0001 #define RL_CMD_TX_ENB 0x0004 #define RL_CMD_RX_ENB 0x0008 #define RL_CMD_RESET 0x0010 #define RL_CMD_STOPREQ 0x0080 /* * Twister register values. These are completely undocumented and derived * from public sources. */ #define RL_CSCFG_LINK_OK 0x0400 #define RL_CSCFG_CHANGE 0x0800 #define RL_CSCFG_STATUS 0xf000 #define RL_CSCFG_ROW3 0x7000 #define RL_CSCFG_ROW2 0x3000 #define RL_CSCFG_ROW1 0x1000 #define RL_CSCFG_LINK_DOWN_OFF_CMD 0x03c0 #define RL_CSCFG_LINK_DOWN_CMD 0xf3c0 #define RL_NWAYTST_RESET 0 #define RL_NWAYTST_CBL_TEST 0x20 #define RL_PARA78 0x78 #define RL_PARA78_DEF 0x78fa8388 #define RL_PARA7C 0x7C #define RL_PARA7C_DEF 0xcb38de43 #define RL_PARA7C_RETUNE 0xfb38de03 /* * EEPROM control register */ #define RL_EE_DATAOUT 0x01 /* Data out */ #define RL_EE_DATAIN 0x02 /* Data in */ #define RL_EE_CLK 0x04 /* clock */ #define RL_EE_SEL 0x08 /* chip select */ #define RL_EE_MODE (0x40|0x80) #define RL_EEMODE_OFF 0x00 #define RL_EEMODE_AUTOLOAD 0x40 #define RL_EEMODE_PROGRAM 0x80 #define RL_EEMODE_WRITECFG (0x80|0x40) /* 9346 EEPROM commands */ #define RL_9346_ADDR_LEN 6 /* 93C46 1K: 128x16 */ #define RL_9356_ADDR_LEN 8 /* 93C56 2K: 256x16 */ #define RL_9346_WRITE 0x5 #define RL_9346_READ 0x6 #define RL_9346_ERASE 0x7 #define RL_9346_EWEN 0x4 #define RL_9346_EWEN_ADDR 0x30 #define RL_9456_EWDS 0x4 #define RL_9346_EWDS_ADDR 0x00 #define RL_EECMD_WRITE 0x140 #define RL_EECMD_READ_6BIT 0x180 #define RL_EECMD_READ_8BIT 0x600 #define RL_EECMD_ERASE 0x1c0 #define RL_EE_ID 0x00 #define RL_EE_PCI_VID 0x01 #define RL_EE_PCI_DID 0x02 /* Location of station address inside EEPROM */ #define RL_EE_EADDR 0x07 /* * MII register (8129 only) */ #define RL_MII_CLK 0x01 #define RL_MII_DATAIN 0x02 #define RL_MII_DATAOUT 0x04 #define RL_MII_DIR 0x80 /* 0 == input, 1 == output */ /* * Config 0 register */ #define RL_CFG0_ROM0 0x01 #define RL_CFG0_ROM1 0x02 #define RL_CFG0_ROM2 0x04 #define RL_CFG0_PL0 0x08 #define RL_CFG0_PL1 0x10 #define RL_CFG0_10MBPS 0x20 /* 10 Mbps internal mode */ #define RL_CFG0_PCS 0x40 #define RL_CFG0_SCR 0x80 /* * Config 1 register */ #define RL_CFG1_PWRDWN 0x01 #define RL_CFG1_PME 0x01 #define RL_CFG1_SLEEP 0x02 #define RL_CFG1_VPDEN 0x02 #define RL_CFG1_IOMAP 0x04 #define RL_CFG1_MEMMAP 0x08 #define RL_CFG1_RSVD 0x10 #define RL_CFG1_LWACT 0x10 #define RL_CFG1_DRVLOAD 0x20 #define RL_CFG1_LED0 0x40 #define RL_CFG1_FULLDUPLEX 0x40 /* 8129 only */ #define RL_CFG1_LED1 0x80 /* * Config 2 register */ #define RL_CFG2_PCI33MHZ 0x00 #define RL_CFG2_PCI66MHZ 0x01 #define RL_CFG2_PCI64BIT 0x08 #define RL_CFG2_AUXPWR 0x10 #define RL_CFG2_MSI 0x20 /* * Config 3 register */ #define RL_CFG3_GRANTSEL 0x80 #define RL_CFG3_WOL_MAGIC 0x20 #define RL_CFG3_WOL_LINK 0x10 #define RL_CFG3_FAST_B2B 0x01 /* * Config 4 register */ #define RL_CFG4_LWPTN 0x04 #define RL_CFG4_LWPME 0x10 /* * Config 5 register */ #define RL_CFG5_WOL_BCAST 0x40 #define RL_CFG5_WOL_MCAST 0x20 #define RL_CFG5_WOL_UCAST 0x10 #define RL_CFG5_WOL_LANWAKE 0x02 #define RL_CFG5_PME_STS 0x01 /* * 8139C+ register definitions */ /* RL_DUMPSTATS_LO register */ #define RL_DUMPSTATS_START 0x00000008 /* Transmit start register */ #define RL_TXSTART_SWI 0x01 /* generate TX interrupt */ #define RL_TXSTART_START 0x40 /* start normal queue transmit */ #define RL_TXSTART_HPRIO_START 0x80 /* start hi prio queue transmit */ /* * Config 2 register, 8139C+/8169/8169S/8110S only */ #define RL_CFG2_BUSFREQ 0x07 #define RL_CFG2_BUSWIDTH 0x08 #define RL_CFG2_AUXPWRSTS 0x10 #define RL_BUSFREQ_33MHZ 0x00 #define RL_BUSFREQ_66MHZ 0x01 #define RL_BUSWIDTH_32BITS 0x00 #define RL_BUSWIDTH_64BITS 0x08 /* C+ mode command register */ #define RL_CPLUSCMD_TXENB 0x0001 /* enable C+ transmit mode */ #define RL_CPLUSCMD_RXENB 0x0002 /* enable C+ receive mode */ #define RL_CPLUSCMD_PCI_MRW 0x0008 /* enable PCI multi-read/write */ #define RL_CPLUSCMD_PCI_DAC 0x0010 /* PCI dual-address cycle only */ #define RL_CPLUSCMD_RXCSUM_ENB 0x0020 /* enable RX checksum offload */ #define RL_CPLUSCMD_VLANSTRIP 0x0040 /* enable VLAN tag stripping */ #define RL_CPLUSCMD_MACSTAT_DIS 0x0080 /* 8168B/C/CP */ #define RL_CPLUSCMD_ASF 0x0100 /* 8168C/CP */ #define RL_CPLUSCMD_DBG_SEL 0x0200 /* 8168C/CP */ #define RL_CPLUSCMD_FORCE_TXFC 0x0400 /* 8168C/CP */ #define RL_CPLUSCMD_FORCE_RXFC 0x0800 /* 8168C/CP */ #define RL_CPLUSCMD_FORCE_HDPX 0x1000 /* 8168C/CP */ #define RL_CPLUSCMD_NORMAL_MODE 0x2000 /* 8168C/CP */ #define RL_CPLUSCMD_DBG_ENB 0x4000 /* 8168C/CP */ #define RL_CPLUSCMD_BIST_ENB 0x8000 /* 8168C/CP */ /* C+ early transmit threshold */ #define RL_EARLYTXTHRESH_CNT 0x003F /* byte count times 8 */ /* * Gigabit PHY access register (8169 only) */ #define RL_PHYAR_PHYDATA 0x0000FFFF #define RL_PHYAR_PHYREG 0x001F0000 #define RL_PHYAR_BUSY 0x80000000 /* * Gigabit media status (8169 only) */ #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_TX_8139_BUF_ALIGN 4 #define RL_RX_8139_BUF_ALIGN 8 #define RL_RX_8139_BUF_RESERVE sizeof(int64_t) #define RL_RX_8139_BUF_GUARD_SZ \ (ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN + RL_RX_8139_BUF_RESERVE) #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) #ifndef __rtems__ #define RL_ETHER_ALIGN 2 #else #define RL_ETHER_ALIGN 0 #endif /* * re(4) hardware ip4csum-tx could be mangled with 28 bytes or less IP packets. */ #define RL_IP4CSUMTX_MINLEN 28 #define RL_IP4CSUMTX_PADLEN (ETHER_HDR_LEN + RL_IP4CSUMTX_MINLEN) struct rl_chain_data { uint16_t cur_rx; uint8_t *rl_rx_buf; uint8_t *rl_rx_buf_ptr; struct mbuf *rl_tx_chain[RL_TX_LIST_CNT]; bus_dmamap_t rl_tx_dmamap[RL_TX_LIST_CNT]; bus_dma_tag_t rl_tx_tag; bus_dma_tag_t rl_rx_tag; bus_dmamap_t rl_rx_dmamap; bus_addr_t rl_rx_buf_paddr; 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 */ /* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */ #define RL_TDESC_CMD_UDPCSUMV2 0x80000000 #define RL_TDESC_CMD_TCPCSUMV2 0x40000000 #define RL_TDESC_CMD_IPCSUMV2 0x20000000 /* * 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_UDP 0x00020000 /* UDP, 8168C/CP, 8111C/CP */ #define RL_RDESC_STAT_TCP 0x00010000 /* TCP, 8168C/CP, 8111C/CP */ #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 */ /* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */ #define RL_RDESC_IPV6 0x80000000 #define RL_RDESC_IPV4 0x40000000 #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) * * 8139C+ * Number of descriptors supported : up to 64 * Descriptor alignment : 256 bytes * Tx buffer : At least 4 bytes in length. * Rx buffer : At least 8 bytes in length and 8 bytes alignment required. * * 8169 * Number of descriptors supported : up to 1024 * Descriptor alignment : 256 bytes * Tx buffer : At least 4 bytes in length. * Rx buffer : At least 8 bytes in length and 8 bytes alignment required. */ #ifndef __NO_STRICT_ALIGNMENT #define RE_FIXUP_RX 1 #endif #define RL_8169_TX_DESC_CNT 256 #define RL_8169_RX_DESC_CNT 256 #define RL_8139_TX_DESC_CNT 64 #define RL_8139_RX_DESC_CNT 64 #define RL_TX_DESC_CNT RL_8169_TX_DESC_CNT #define RL_RX_DESC_CNT RL_8169_RX_DESC_CNT #define RL_NTXSEGS 32 #define RL_RING_ALIGN 256 #define RL_IFQ_MAXLEN 512 #define RL_TX_DESC_NXT(sc,x) ((x + 1) & ((sc)->rl_ldata.rl_tx_desc_cnt - 1)) #define RL_TX_DESC_PRV(sc,x) ((x - 1) & ((sc)->rl_ldata.rl_tx_desc_cnt - 1)) #define RL_RX_DESC_NXT(sc,x) ((x + 1) & ((sc)->rl_ldata.rl_rx_desc_cnt - 1)) #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_MSI_MESSAGES 1 #define RL_ADDR_LO(y) ((uint64_t) (y) & 0xFFFFFFFF) #define RL_ADDR_HI(y) ((uint64_t) (y) >> 32) /* * The number of bits reserved for MSS in RealTek controllers is * 11bits. This limits the maximum interface MTU size in TSO case * as upper stack should not generate TCP segments with MSS greater * than the limit. */ #define RL_TSO_MTU (2047 - ETHER_HDR_LEN - ETHER_CRC_LEN) /* 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) #define RL_MAX_FRAMELEN \ (ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN - ETHER_HDR_LEN - ETHER_CRC_LEN) struct rl_txdesc { struct mbuf *tx_m; bus_dmamap_t tx_dmamap; }; struct rl_rxdesc { struct mbuf *rx_m; bus_dmamap_t rx_dmamap; bus_size_t rx_size; }; struct rl_list_data { struct rl_txdesc rl_tx_desc[RL_TX_DESC_CNT]; struct rl_rxdesc rl_rx_desc[RL_RX_DESC_CNT]; int rl_tx_desc_cnt; int rl_rx_desc_cnt; int rl_tx_prodidx; int rl_rx_prodidx; int rl_tx_considx; int rl_tx_free; bus_dma_tag_t rl_tx_mtag; /* mbuf TX mapping tag */ bus_dma_tag_t rl_rx_mtag; /* mbuf RX mapping tag */ bus_dmamap_t rl_rx_sparemap; 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; }; enum rl_twist { DONE, CHK_LINK, FIND_ROW, SET_PARAM, RECHK_LONG, RETUNE }; 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; int rl_res_id; int rl_res_type; struct resource *rl_irq[RL_MSI_MESSAGES]; void *rl_intrhand[RL_MSI_MESSAGES]; device_t rl_miibus; bus_dma_tag_t rl_parent_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 rl_if_flags; int rl_twister_enable; enum rl_twist rl_twister; int rl_twist_row; int rl_twist_col; int suspended; /* 0 = normal 1 = suspended */ #ifdef DEVICE_POLLING int rxcycles; #endif struct task rl_txtask; struct task rl_inttask; int rl_txstart; uint32_t rl_flags; #define RL_FLAG_MSI 0x0001 #define RL_FLAG_AUTOPAD 0x0002 #define RL_FLAG_PHYWAKE 0x0008 #define RL_FLAG_NOJUMBO 0x0010 #define RL_FLAG_PAR 0x0020 #define RL_FLAG_DESCV2 0x0040 #define RL_FLAG_MACSTAT 0x0080 #define RL_FLAG_FASTETHER 0x0100 #define RL_FLAG_CMDSTOP 0x0200 #define RL_FLAG_MACRESET 0x0400 #define RL_FLAG_WOLRXENB 0x1000 #define RL_FLAG_MACSLEEP 0x2000 #define RL_FLAG_PCIE 0x4000 #define RL_FLAG_LINK 0x8000 }; #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 #define RL_PHY_TIMEOUT 2000 /* * General constants that are fun to know. * * RealTek PCI vendor ID */ #define RT_VENDORID 0x10EC /* * RealTek chip device IDs. */ #define RT_DEVICEID_8139D 0x8039 #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 /* * Addtron device IDs. */ #define ADDTRON_DEVICEID_8139 0x1360 /* * D-Link vendor ID. */ #define DLINK_VENDORID 0x1186 /* * D-Link DFE-530TX+ device ID */ #define DLINK_DEVICEID_530TXPLUS 0x1300 /* * D-Link DFE-5280T device ID */ #define DLINK_DEVICEID_528T 0x4300 /* * D-Link DFE-690TXD device ID */ #define DLINK_DEVICEID_690TXD 0x1340 /* * Corega K.K vendor ID */ #define COREGA_VENDORID 0x1259 /* * Corega FEther CB-TXD device ID */ #define COREGA_DEVICEID_FETHERCBTXD 0xa117 /* * Corega FEtherII CB-TXD device ID */ #define COREGA_DEVICEID_FETHERIICBTXD 0xa11e /* * Corega CG-LAPCIGT device ID */ #define COREGA_DEVICEID_CGLAPCIGT 0xc107 /* * Linksys vendor ID */ #define LINKSYS_VENDORID 0x1737 /* * Linksys EG1032 device ID */ #define LINKSYS_DEVICEID_EG1032 0x1032 /* * Linksys EG1032 rev 3 sub-device ID */ #define LINKSYS_SUBDEVICE_EG1032_REV3 0x0024 /* * Peppercon vendor ID */ #define PEPPERCON_VENDORID 0x1743 /* * Peppercon ROL-F device ID */ #define PEPPERCON_DEVICEID_ROLF 0x8139 /* * Planex Communications, Inc. vendor ID */ #define PLANEX_VENDORID 0x14ea /* * Planex FNW-3603-TX device ID */ #define PLANEX_DEVICEID_FNW3603TX 0xab06 /* * Planex FNW-3800-TX device ID */ #define PLANEX_DEVICEID_FNW3800TX 0xab07 /* * LevelOne vendor ID */ #define LEVEL1_VENDORID 0x018A /* * LevelOne FPC-0106TX devide ID */ #define LEVEL1_DEVICEID_FPC0106TX 0x0106 /* * Compaq vendor ID */ #define CP_VENDORID 0x021B /* * Edimax vendor ID */ #define EDIMAX_VENDORID 0x13D1 /* * Edimax EP-4103DL cardbus device ID */ #define EDIMAX_DEVICEID_EP4103DL 0xAB06 /* US Robotics vendor ID */ #define USR_VENDORID 0x16EC /* US Robotics 997902 device ID */ #define USR_DEVICEID_997902 0x0116 /* * PCI low memory base and low I/O base register, and * other PCI registers. */ #define RL_PCI_VENDOR_ID 0x00 #define RL_PCI_DEVICE_ID 0x02 #define RL_PCI_COMMAND 0x04 #define RL_PCI_STATUS 0x06 #define RL_PCI_CLASSCODE 0x09 #define RL_PCI_LATENCY_TIMER 0x0D #define RL_PCI_HEADER_TYPE 0x0E #define RL_PCI_LOIO 0x10 #define RL_PCI_LOMEM 0x14 #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 #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