if_rlreg.h revision 175337
1/*- 2 * Copyright (c) 1997, 1998-2003 3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by Bill Paul. 16 * 4. Neither the name of the author nor the names of any co-contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 30 * THE POSSIBILITY OF SUCH DAMAGE. 31 * 32 * $FreeBSD: head/sys/pci/if_rlreg.h 175337 2008-01-15 01:10:31Z yongari $ 33 */ 34 35/* 36 * RealTek 8129/8139 register offsets 37 */ 38#define RL_IDR0 0x0000 /* ID register 0 (station addr) */ 39#define RL_IDR1 0x0001 /* Must use 32-bit accesses (?) */ 40#define RL_IDR2 0x0002 41#define RL_IDR3 0x0003 42#define RL_IDR4 0x0004 43#define RL_IDR5 0x0005 44 /* 0006-0007 reserved */ 45#define RL_MAR0 0x0008 /* Multicast hash table */ 46#define RL_MAR1 0x0009 47#define RL_MAR2 0x000A 48#define RL_MAR3 0x000B 49#define RL_MAR4 0x000C 50#define RL_MAR5 0x000D 51#define RL_MAR6 0x000E 52#define RL_MAR7 0x000F 53 54#define RL_TXSTAT0 0x0010 /* status of TX descriptor 0 */ 55#define RL_TXSTAT1 0x0014 /* status of TX descriptor 1 */ 56#define RL_TXSTAT2 0x0018 /* status of TX descriptor 2 */ 57#define RL_TXSTAT3 0x001C /* status of TX descriptor 3 */ 58 59#define RL_TXADDR0 0x0020 /* address of TX descriptor 0 */ 60#define RL_TXADDR1 0x0024 /* address of TX descriptor 1 */ 61#define RL_TXADDR2 0x0028 /* address of TX descriptor 2 */ 62#define RL_TXADDR3 0x002C /* address of TX descriptor 3 */ 63 64#define RL_RXADDR 0x0030 /* RX ring start address */ 65#define RL_RX_EARLY_BYTES 0x0034 /* RX early byte count */ 66#define RL_RX_EARLY_STAT 0x0036 /* RX early status */ 67#define RL_COMMAND 0x0037 /* command register */ 68#define RL_CURRXADDR 0x0038 /* current address of packet read */ 69#define RL_CURRXBUF 0x003A /* current RX buffer address */ 70#define RL_IMR 0x003C /* interrupt mask register */ 71#define RL_ISR 0x003E /* interrupt status register */ 72#define RL_TXCFG 0x0040 /* transmit config */ 73#define RL_RXCFG 0x0044 /* receive config */ 74#define RL_TIMERCNT 0x0048 /* timer count register */ 75#define RL_MISSEDPKT 0x004C /* missed packet counter */ 76#define RL_EECMD 0x0050 /* EEPROM command register */ 77#define RL_CFG0 0x0051 /* config register #0 */ 78#define RL_CFG1 0x0052 /* config register #1 */ 79 /* 0053-0057 reserved */ 80#define RL_MEDIASTAT 0x0058 /* media status register (8139) */ 81 /* 0059-005A reserved */ 82#define RL_MII 0x005A /* 8129 chip only */ 83#define RL_HALTCLK 0x005B 84#define RL_MULTIINTR 0x005C /* multiple interrupt */ 85#define RL_PCIREV 0x005E /* PCI revision value */ 86 /* 005F reserved */ 87#define RL_TXSTAT_ALL 0x0060 /* TX status of all descriptors */ 88 89/* Direct PHY access registers only available on 8139 */ 90#define RL_BMCR 0x0062 /* PHY basic mode control */ 91#define RL_BMSR 0x0064 /* PHY basic mode status */ 92#define RL_ANAR 0x0066 /* PHY autoneg advert */ 93#define RL_LPAR 0x0068 /* PHY link partner ability */ 94#define RL_ANER 0x006A /* PHY autoneg expansion */ 95 96#define RL_DISCCNT 0x006C /* disconnect counter */ 97#define RL_FALSECAR 0x006E /* false carrier counter */ 98#define RL_NWAYTST 0x0070 /* NWAY test register */ 99#define RL_RX_ER 0x0072 /* RX_ER counter */ 100#define RL_CSCFG 0x0074 /* CS configuration register */ 101 102/* 103 * When operating in special C+ mode, some of the registers in an 104 * 8139C+ chip have different definitions. These are also used for 105 * the 8169 gigE chip. 106 */ 107#define RL_DUMPSTATS_LO 0x0010 /* counter dump command register */ 108#define RL_DUMPSTATS_HI 0x0014 /* counter dump command register */ 109#define RL_TXLIST_ADDR_LO 0x0020 /* 64 bits, 256 byte alignment */ 110#define RL_TXLIST_ADDR_HI 0x0024 /* 64 bits, 256 byte alignment */ 111#define RL_TXLIST_ADDR_HPRIO_LO 0x0028 /* 64 bits, 256 byte alignment */ 112#define RL_TXLIST_ADDR_HPRIO_HI 0x002C /* 64 bits, 256 byte alignment */ 113#define RL_CFG2 0x0053 114#define RL_TIMERINT 0x0054 /* interrupt on timer expire */ 115#define RL_TXSTART 0x00D9 /* 8 bits */ 116#define RL_CPLUS_CMD 0x00E0 /* 16 bits */ 117#define RL_RXLIST_ADDR_LO 0x00E4 /* 64 bits, 256 byte alignment */ 118#define RL_RXLIST_ADDR_HI 0x00E8 /* 64 bits, 256 byte alignment */ 119#define RL_EARLY_TX_THRESH 0x00EC /* 8 bits */ 120 121/* 122 * Registers specific to the 8169 gigE chip 123 */ 124#define RL_TIMERINT_8169 0x0058 /* different offset than 8139 */ 125#define RL_PHYAR 0x0060 126#define RL_TBICSR 0x0064 127#define RL_TBI_ANAR 0x0068 128#define RL_TBI_LPAR 0x006A 129#define RL_GMEDIASTAT 0x006C /* 8 bits */ 130#define RL_MAXRXPKTLEN 0x00DA /* 16 bits, chip multiplies by 8 */ 131#define RL_GTXSTART 0x0038 /* 8 bits */ 132 133/* 134 * TX config register bits 135 */ 136#define RL_TXCFG_CLRABRT 0x00000001 /* retransmit aborted pkt */ 137#define RL_TXCFG_MAXDMA 0x00000700 /* max DMA burst size */ 138#define RL_TXCFG_CRCAPPEND 0x00010000 /* CRC append (0 = yes) */ 139#define RL_TXCFG_LOOPBKTST 0x00060000 /* loopback test */ 140#define RL_TXCFG_IFG2 0x00080000 /* 8169 only */ 141#define RL_TXCFG_IFG 0x03000000 /* interframe gap */ 142#define RL_TXCFG_HWREV 0x7CC00000 143 144#define RL_LOOPTEST_OFF 0x00000000 145#define RL_LOOPTEST_ON 0x00020000 146#define RL_LOOPTEST_ON_CPLUS 0x00060000 147 148/* Known revision codes. */ 149 150#define RL_HWREV_8169 0x00000000 151#define RL_HWREV_8110S 0x00800000 152#define RL_HWREV_8169S 0x04000000 153#define RL_HWREV_8169_8110SB 0x10000000 154#define RL_HWREV_8169_8110SC 0x18000000 155#define RL_HWREV_8168_SPIN1 0x30000000 156#define RL_HWREV_8100E 0x30800000 157#define RL_HWREV_8101E 0x34000000 158#define RL_HWREV_8168_SPIN2 0x38000000 159#define RL_HWREV_8168_SPIN3 0x38400000 160#define RL_HWREV_8139 0x60000000 161#define RL_HWREV_8139A 0x70000000 162#define RL_HWREV_8139AG 0x70800000 163#define RL_HWREV_8139B 0x78000000 164#define RL_HWREV_8130 0x7C000000 165#define RL_HWREV_8139C 0x74000000 166#define RL_HWREV_8139D 0x74400000 167#define RL_HWREV_8139CPLUS 0x74800000 168#define RL_HWREV_8101 0x74c00000 169#define RL_HWREV_8100 0x78800000 170 171#define RL_TXDMA_16BYTES 0x00000000 172#define RL_TXDMA_32BYTES 0x00000100 173#define RL_TXDMA_64BYTES 0x00000200 174#define RL_TXDMA_128BYTES 0x00000300 175#define RL_TXDMA_256BYTES 0x00000400 176#define RL_TXDMA_512BYTES 0x00000500 177#define RL_TXDMA_1024BYTES 0x00000600 178#define RL_TXDMA_2048BYTES 0x00000700 179 180/* 181 * Transmit descriptor status register bits. 182 */ 183#define RL_TXSTAT_LENMASK 0x00001FFF 184#define RL_TXSTAT_OWN 0x00002000 185#define RL_TXSTAT_TX_UNDERRUN 0x00004000 186#define RL_TXSTAT_TX_OK 0x00008000 187#define RL_TXSTAT_EARLY_THRESH 0x003F0000 188#define RL_TXSTAT_COLLCNT 0x0F000000 189#define RL_TXSTAT_CARR_HBEAT 0x10000000 190#define RL_TXSTAT_OUTOFWIN 0x20000000 191#define RL_TXSTAT_TXABRT 0x40000000 192#define RL_TXSTAT_CARRLOSS 0x80000000 193 194/* 195 * Interrupt status register bits. 196 */ 197#define RL_ISR_RX_OK 0x0001 198#define RL_ISR_RX_ERR 0x0002 199#define RL_ISR_TX_OK 0x0004 200#define RL_ISR_TX_ERR 0x0008 201#define RL_ISR_RX_OVERRUN 0x0010 202#define RL_ISR_PKT_UNDERRUN 0x0020 203#define RL_ISR_LINKCHG 0x0020 /* 8169 only */ 204#define RL_ISR_FIFO_OFLOW 0x0040 /* 8139 only */ 205#define RL_ISR_TX_DESC_UNAVAIL 0x0080 /* C+ only */ 206#define RL_ISR_SWI 0x0100 /* C+ only */ 207#define RL_ISR_CABLE_LEN_CHGD 0x2000 208#define RL_ISR_PCS_TIMEOUT 0x4000 /* 8129 only */ 209#define RL_ISR_TIMEOUT_EXPIRED 0x4000 210#define RL_ISR_SYSTEM_ERR 0x8000 211 212#define RL_INTRS \ 213 (RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \ 214 RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \ 215 RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR) 216 217#ifdef RE_TX_MODERATION 218#define RL_INTRS_CPLUS \ 219 (RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \ 220 RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \ 221 RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED) 222#else 223#define RL_INTRS_CPLUS \ 224 (RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|RL_ISR_TX_OK| \ 225 RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \ 226 RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED) 227#endif 228 229/* 230 * Media status register. (8139 only) 231 */ 232#define RL_MEDIASTAT_RXPAUSE 0x01 233#define RL_MEDIASTAT_TXPAUSE 0x02 234#define RL_MEDIASTAT_LINK 0x04 235#define RL_MEDIASTAT_SPEED10 0x08 236#define RL_MEDIASTAT_RXFLOWCTL 0x40 /* duplex mode */ 237#define RL_MEDIASTAT_TXFLOWCTL 0x80 /* duplex mode */ 238 239/* 240 * Receive config register. 241 */ 242#define RL_RXCFG_RX_ALLPHYS 0x00000001 /* accept all nodes */ 243#define RL_RXCFG_RX_INDIV 0x00000002 /* match filter */ 244#define RL_RXCFG_RX_MULTI 0x00000004 /* accept all multicast */ 245#define RL_RXCFG_RX_BROAD 0x00000008 /* accept all broadcast */ 246#define RL_RXCFG_RX_RUNT 0x00000010 247#define RL_RXCFG_RX_ERRPKT 0x00000020 248#define RL_RXCFG_WRAP 0x00000080 249#define RL_RXCFG_MAXDMA 0x00000700 250#define RL_RXCFG_BUFSZ 0x00001800 251#define RL_RXCFG_FIFOTHRESH 0x0000E000 252#define RL_RXCFG_EARLYTHRESH 0x07000000 253 254#define RL_RXDMA_16BYTES 0x00000000 255#define RL_RXDMA_32BYTES 0x00000100 256#define RL_RXDMA_64BYTES 0x00000200 257#define RL_RXDMA_128BYTES 0x00000300 258#define RL_RXDMA_256BYTES 0x00000400 259#define RL_RXDMA_512BYTES 0x00000500 260#define RL_RXDMA_1024BYTES 0x00000600 261#define RL_RXDMA_UNLIMITED 0x00000700 262 263#define RL_RXBUF_8 0x00000000 264#define RL_RXBUF_16 0x00000800 265#define RL_RXBUF_32 0x00001000 266#define RL_RXBUF_64 0x00001800 267 268#define RL_RXFIFO_16BYTES 0x00000000 269#define RL_RXFIFO_32BYTES 0x00002000 270#define RL_RXFIFO_64BYTES 0x00004000 271#define RL_RXFIFO_128BYTES 0x00006000 272#define RL_RXFIFO_256BYTES 0x00008000 273#define RL_RXFIFO_512BYTES 0x0000A000 274#define RL_RXFIFO_1024BYTES 0x0000C000 275#define RL_RXFIFO_NOTHRESH 0x0000E000 276 277/* 278 * Bits in RX status header (included with RX'ed packet 279 * in ring buffer). 280 */ 281#define RL_RXSTAT_RXOK 0x00000001 282#define RL_RXSTAT_ALIGNERR 0x00000002 283#define RL_RXSTAT_CRCERR 0x00000004 284#define RL_RXSTAT_GIANT 0x00000008 285#define RL_RXSTAT_RUNT 0x00000010 286#define RL_RXSTAT_BADSYM 0x00000020 287#define RL_RXSTAT_BROAD 0x00002000 288#define RL_RXSTAT_INDIV 0x00004000 289#define RL_RXSTAT_MULTI 0x00008000 290#define RL_RXSTAT_LENMASK 0xFFFF0000 291 292#define RL_RXSTAT_UNFINISHED 0xFFF0 /* DMA still in progress */ 293/* 294 * Command register. 295 */ 296#define RL_CMD_EMPTY_RXBUF 0x0001 297#define RL_CMD_TX_ENB 0x0004 298#define RL_CMD_RX_ENB 0x0008 299#define RL_CMD_RESET 0x0010 300 301/* 302 * EEPROM control register 303 */ 304#define RL_EE_DATAOUT 0x01 /* Data out */ 305#define RL_EE_DATAIN 0x02 /* Data in */ 306#define RL_EE_CLK 0x04 /* clock */ 307#define RL_EE_SEL 0x08 /* chip select */ 308#define RL_EE_MODE (0x40|0x80) 309 310#define RL_EEMODE_OFF 0x00 311#define RL_EEMODE_AUTOLOAD 0x40 312#define RL_EEMODE_PROGRAM 0x80 313#define RL_EEMODE_WRITECFG (0x80|0x40) 314 315/* 9346 EEPROM commands */ 316#define RL_9346_ADDR_LEN 6 /* 93C46 1K: 128x16 */ 317#define RL_9356_ADDR_LEN 8 /* 93C56 2K: 256x16 */ 318 319#define RL_9346_WRITE 0x5 320#define RL_9346_READ 0x6 321#define RL_9346_ERASE 0x7 322#define RL_9346_EWEN 0x4 323#define RL_9346_EWEN_ADDR 0x30 324#define RL_9456_EWDS 0x4 325#define RL_9346_EWDS_ADDR 0x00 326 327#define RL_EECMD_WRITE 0x140 328#define RL_EECMD_READ_6BIT 0x180 329#define RL_EECMD_READ_8BIT 0x600 330#define RL_EECMD_ERASE 0x1c0 331 332#define RL_EE_ID 0x00 333#define RL_EE_PCI_VID 0x01 334#define RL_EE_PCI_DID 0x02 335/* Location of station address inside EEPROM */ 336#define RL_EE_EADDR 0x07 337 338/* 339 * MII register (8129 only) 340 */ 341#define RL_MII_CLK 0x01 342#define RL_MII_DATAIN 0x02 343#define RL_MII_DATAOUT 0x04 344#define RL_MII_DIR 0x80 /* 0 == input, 1 == output */ 345 346/* 347 * Config 0 register 348 */ 349#define RL_CFG0_ROM0 0x01 350#define RL_CFG0_ROM1 0x02 351#define RL_CFG0_ROM2 0x04 352#define RL_CFG0_PL0 0x08 353#define RL_CFG0_PL1 0x10 354#define RL_CFG0_10MBPS 0x20 /* 10 Mbps internal mode */ 355#define RL_CFG0_PCS 0x40 356#define RL_CFG0_SCR 0x80 357 358/* 359 * Config 1 register 360 */ 361#define RL_CFG1_PWRDWN 0x01 362#define RL_CFG1_SLEEP 0x02 363#define RL_CFG1_IOMAP 0x04 364#define RL_CFG1_MEMMAP 0x08 365#define RL_CFG1_RSVD 0x10 366#define RL_CFG1_DRVLOAD 0x20 367#define RL_CFG1_LED0 0x40 368#define RL_CFG1_FULLDUPLEX 0x40 /* 8129 only */ 369#define RL_CFG1_LED1 0x80 370 371/* 372 * 8139C+ register definitions 373 */ 374 375/* RL_DUMPSTATS_LO register */ 376 377#define RL_DUMPSTATS_START 0x00000008 378 379/* Transmit start register */ 380 381#define RL_TXSTART_SWI 0x01 /* generate TX interrupt */ 382#define RL_TXSTART_START 0x40 /* start normal queue transmit */ 383#define RL_TXSTART_HPRIO_START 0x80 /* start hi prio queue transmit */ 384 385/* 386 * Config 2 register, 8139C+/8169/8169S/8110S only 387 */ 388#define RL_CFG2_BUSFREQ 0x07 389#define RL_CFG2_BUSWIDTH 0x08 390#define RL_CFG2_AUXPWRSTS 0x10 391 392#define RL_BUSFREQ_33MHZ 0x00 393#define RL_BUSFREQ_66MHZ 0x01 394 395#define RL_BUSWIDTH_32BITS 0x00 396#define RL_BUSWIDTH_64BITS 0x08 397 398/* C+ mode command register */ 399 400#define RL_CPLUSCMD_TXENB 0x0001 /* enable C+ transmit mode */ 401#define RL_CPLUSCMD_RXENB 0x0002 /* enable C+ receive mode */ 402#define RL_CPLUSCMD_PCI_MRW 0x0008 /* enable PCI multi-read/write */ 403#define RL_CPLUSCMD_PCI_DAC 0x0010 /* PCI dual-address cycle only */ 404#define RL_CPLUSCMD_RXCSUM_ENB 0x0020 /* enable RX checksum offload */ 405#define RL_CPLUSCMD_VLANSTRIP 0x0040 /* enable VLAN tag stripping */ 406 407/* C+ early transmit threshold */ 408 409#define RL_EARLYTXTHRESH_CNT 0x003F /* byte count times 8 */ 410 411/* 412 * Gigabit PHY access register (8169 only) 413 */ 414 415#define RL_PHYAR_PHYDATA 0x0000FFFF 416#define RL_PHYAR_PHYREG 0x001F0000 417#define RL_PHYAR_BUSY 0x80000000 418 419/* 420 * Gigabit media status (8169 only) 421 */ 422#define RL_GMEDIASTAT_FDX 0x01 /* full duplex */ 423#define RL_GMEDIASTAT_LINK 0x02 /* link up */ 424#define RL_GMEDIASTAT_10MBPS 0x04 /* 10mps link */ 425#define RL_GMEDIASTAT_100MBPS 0x08 /* 100mbps link */ 426#define RL_GMEDIASTAT_1000MBPS 0x10 /* gigE link */ 427#define RL_GMEDIASTAT_RXFLOW 0x20 /* RX flow control on */ 428#define RL_GMEDIASTAT_TXFLOW 0x40 /* TX flow control on */ 429#define RL_GMEDIASTAT_TBI 0x80 /* TBI enabled */ 430 431/* 432 * The RealTek doesn't use a fragment-based descriptor mechanism. 433 * Instead, there are only four register sets, each or which represents 434 * one 'descriptor.' Basically, each TX descriptor is just a contiguous 435 * packet buffer (32-bit aligned!) and we place the buffer addresses in 436 * the registers so the chip knows where they are. 437 * 438 * We can sort of kludge together the same kind of buffer management 439 * used in previous drivers, but we have to do buffer copies almost all 440 * the time, so it doesn't really buy us much. 441 * 442 * For reception, there's just one large buffer where the chip stores 443 * all received packets. 444 */ 445 446#define RL_RX_BUF_SZ RL_RXBUF_64 447#define RL_RXBUFLEN (1 << ((RL_RX_BUF_SZ >> 11) + 13)) 448#define RL_TX_LIST_CNT 4 449#define RL_MIN_FRAMELEN 60 450#define RL_TXTHRESH(x) ((x) << 11) 451#define RL_TX_THRESH_INIT 96 452#define RL_RX_FIFOTHRESH RL_RXFIFO_NOTHRESH 453#define RL_RX_MAXDMA RL_RXDMA_UNLIMITED 454#define RL_TX_MAXDMA RL_TXDMA_2048BYTES 455 456#define RL_RXCFG_CONFIG (RL_RX_FIFOTHRESH|RL_RX_MAXDMA|RL_RX_BUF_SZ) 457#define RL_TXCFG_CONFIG (RL_TXCFG_IFG|RL_TX_MAXDMA) 458 459#define RL_ETHER_ALIGN 2 460 461struct rl_chain_data { 462 uint16_t cur_rx; 463 uint8_t *rl_rx_buf; 464 uint8_t *rl_rx_buf_ptr; 465 bus_dmamap_t rl_rx_dmamap; 466 467 struct mbuf *rl_tx_chain[RL_TX_LIST_CNT]; 468 bus_dmamap_t rl_tx_dmamap[RL_TX_LIST_CNT]; 469 uint8_t last_tx; 470 uint8_t cur_tx; 471}; 472 473#define RL_INC(x) (x = (x + 1) % RL_TX_LIST_CNT) 474#define RL_CUR_TXADDR(x) ((x->rl_cdata.cur_tx * 4) + RL_TXADDR0) 475#define RL_CUR_TXSTAT(x) ((x->rl_cdata.cur_tx * 4) + RL_TXSTAT0) 476#define RL_CUR_TXMBUF(x) (x->rl_cdata.rl_tx_chain[x->rl_cdata.cur_tx]) 477#define RL_CUR_DMAMAP(x) (x->rl_cdata.rl_tx_dmamap[x->rl_cdata.cur_tx]) 478#define RL_LAST_TXADDR(x) ((x->rl_cdata.last_tx * 4) + RL_TXADDR0) 479#define RL_LAST_TXSTAT(x) ((x->rl_cdata.last_tx * 4) + RL_TXSTAT0) 480#define RL_LAST_TXMBUF(x) (x->rl_cdata.rl_tx_chain[x->rl_cdata.last_tx]) 481#define RL_LAST_DMAMAP(x) (x->rl_cdata.rl_tx_dmamap[x->rl_cdata.last_tx]) 482 483struct rl_type { 484 uint16_t rl_vid; 485 uint16_t rl_did; 486 int rl_basetype; 487 char *rl_name; 488}; 489 490struct rl_hwrev { 491 uint32_t rl_rev; 492 int rl_type; 493 char *rl_desc; 494}; 495 496struct rl_mii_frame { 497 uint8_t mii_stdelim; 498 uint8_t mii_opcode; 499 uint8_t mii_phyaddr; 500 uint8_t mii_regaddr; 501 uint8_t mii_turnaround; 502 uint16_t mii_data; 503}; 504 505/* 506 * MII constants 507 */ 508#define RL_MII_STARTDELIM 0x01 509#define RL_MII_READOP 0x02 510#define RL_MII_WRITEOP 0x01 511#define RL_MII_TURNAROUND 0x02 512 513#define RL_8129 1 514#define RL_8139 2 515#define RL_8139CPLUS 3 516#define RL_8169 4 517 518#define RL_ISCPLUS(x) ((x)->rl_type == RL_8139CPLUS || \ 519 (x)->rl_type == RL_8169) 520 521/* 522 * The 8139C+ and 8160 gigE chips support descriptor-based TX 523 * and RX. In fact, they even support TCP large send. Descriptors 524 * must be allocated in contiguous blocks that are aligned on a 525 * 256-byte boundary. The rings can hold a maximum of 64 descriptors. 526 */ 527 528/* 529 * RX/TX descriptor definition. When large send mode is enabled, the 530 * lower 11 bits of the TX rl_cmd word are used to hold the MSS, and 531 * the checksum offload bits are disabled. The structure layout is 532 * the same for RX and TX descriptors 533 */ 534 535struct rl_desc { 536 uint32_t rl_cmdstat; 537 uint32_t rl_vlanctl; 538 uint32_t rl_bufaddr_lo; 539 uint32_t rl_bufaddr_hi; 540}; 541 542#define RL_TDESC_CMD_FRAGLEN 0x0000FFFF 543#define RL_TDESC_CMD_TCPCSUM 0x00010000 /* TCP checksum enable */ 544#define RL_TDESC_CMD_UDPCSUM 0x00020000 /* UDP checksum enable */ 545#define RL_TDESC_CMD_IPCSUM 0x00040000 /* IP header checksum enable */ 546#define RL_TDESC_CMD_MSSVAL 0x07FF0000 /* Large send MSS value */ 547#define RL_TDESC_CMD_MSSVAL_SHIFT 16 /* Large send MSS value shift */ 548#define RL_TDESC_CMD_LGSEND 0x08000000 /* TCP large send enb */ 549#define RL_TDESC_CMD_EOF 0x10000000 /* end of frame marker */ 550#define RL_TDESC_CMD_SOF 0x20000000 /* start of frame marker */ 551#define RL_TDESC_CMD_EOR 0x40000000 /* end of ring marker */ 552#define RL_TDESC_CMD_OWN 0x80000000 /* chip owns descriptor */ 553 554#define RL_TDESC_VLANCTL_TAG 0x00020000 /* Insert VLAN tag */ 555#define RL_TDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */ 556 557/* 558 * Error bits are valid only on the last descriptor of a frame 559 * (i.e. RL_TDESC_CMD_EOF == 1) 560 */ 561 562#define RL_TDESC_STAT_COLCNT 0x000F0000 /* collision count */ 563#define RL_TDESC_STAT_EXCESSCOL 0x00100000 /* excessive collisions */ 564#define RL_TDESC_STAT_LINKFAIL 0x00200000 /* link faulure */ 565#define RL_TDESC_STAT_OWINCOL 0x00400000 /* out-of-window collision */ 566#define RL_TDESC_STAT_TXERRSUM 0x00800000 /* transmit error summary */ 567#define RL_TDESC_STAT_UNDERRUN 0x02000000 /* TX underrun occured */ 568#define RL_TDESC_STAT_OWN 0x80000000 569 570/* 571 * RX descriptor cmd/vlan definitions 572 */ 573 574#define RL_RDESC_CMD_EOR 0x40000000 575#define RL_RDESC_CMD_OWN 0x80000000 576#define RL_RDESC_CMD_BUFLEN 0x00001FFF 577 578#define RL_RDESC_STAT_OWN 0x80000000 579#define RL_RDESC_STAT_EOR 0x40000000 580#define RL_RDESC_STAT_SOF 0x20000000 581#define RL_RDESC_STAT_EOF 0x10000000 582#define RL_RDESC_STAT_FRALIGN 0x08000000 /* frame alignment error */ 583#define RL_RDESC_STAT_MCAST 0x04000000 /* multicast pkt received */ 584#define RL_RDESC_STAT_UCAST 0x02000000 /* unicast pkt received */ 585#define RL_RDESC_STAT_BCAST 0x01000000 /* broadcast pkt received */ 586#define RL_RDESC_STAT_BUFOFLOW 0x00800000 /* out of buffer space */ 587#define RL_RDESC_STAT_FIFOOFLOW 0x00400000 /* FIFO overrun */ 588#define RL_RDESC_STAT_GIANT 0x00200000 /* pkt > 4096 bytes */ 589#define RL_RDESC_STAT_RXERRSUM 0x00100000 /* RX error summary */ 590#define RL_RDESC_STAT_RUNT 0x00080000 /* runt packet received */ 591#define RL_RDESC_STAT_CRCERR 0x00040000 /* CRC error */ 592#define RL_RDESC_STAT_PROTOID 0x00030000 /* Protocol type */ 593#define RL_RDESC_STAT_IPSUMBAD 0x00008000 /* IP header checksum bad */ 594#define RL_RDESC_STAT_UDPSUMBAD 0x00004000 /* UDP checksum bad */ 595#define RL_RDESC_STAT_TCPSUMBAD 0x00002000 /* TCP checksum bad */ 596#define RL_RDESC_STAT_FRAGLEN 0x00001FFF /* RX'ed frame/frag len */ 597#define RL_RDESC_STAT_GFRAGLEN 0x00003FFF /* RX'ed frame/frag len */ 598#define RL_RDESC_STAT_ERRS (RL_RDESC_STAT_GIANT|RL_RDESC_STAT_RUNT| \ 599 RL_RDESC_STAT_CRCERR) 600 601#define RL_RDESC_VLANCTL_TAG 0x00010000 /* VLAN tag available 602 (rl_vlandata valid)*/ 603#define RL_RDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */ 604 605#define RL_PROTOID_NONIP 0x00000000 606#define RL_PROTOID_TCPIP 0x00010000 607#define RL_PROTOID_UDPIP 0x00020000 608#define RL_PROTOID_IP 0x00030000 609#define RL_TCPPKT(x) (((x) & RL_RDESC_STAT_PROTOID) == \ 610 RL_PROTOID_TCPIP) 611#define RL_UDPPKT(x) (((x) & RL_RDESC_STAT_PROTOID) == \ 612 RL_PROTOID_UDPIP) 613 614/* 615 * Statistics counter structure (8139C+ and 8169 only) 616 */ 617struct rl_stats { 618 uint32_t rl_tx_pkts_lo; 619 uint32_t rl_tx_pkts_hi; 620 uint32_t rl_tx_errs_lo; 621 uint32_t rl_tx_errs_hi; 622 uint32_t rl_tx_errs; 623 uint16_t rl_missed_pkts; 624 uint16_t rl_rx_framealign_errs; 625 uint32_t rl_tx_onecoll; 626 uint32_t rl_tx_multicolls; 627 uint32_t rl_rx_ucasts_hi; 628 uint32_t rl_rx_ucasts_lo; 629 uint32_t rl_rx_bcasts_lo; 630 uint32_t rl_rx_bcasts_hi; 631 uint32_t rl_rx_mcasts; 632 uint16_t rl_tx_aborts; 633 uint16_t rl_rx_underruns; 634}; 635 636/* 637 * Rx/Tx descriptor parameters (8139C+ and 8169 only) 638 * 639 * 8139C+ 640 * Number of descriptors supported : up to 64 641 * Descriptor alignment : 256 bytes 642 * Tx buffer : At least 4 bytes in length. 643 * Rx buffer : At least 8 bytes in length and 8 bytes alignment required. 644 * 645 * 8169 646 * Number of descriptors supported : up to 1024 647 * Descriptor alignment : 256 bytes 648 * Tx buffer : At least 4 bytes in length. 649 * Rx buffer : At least 8 bytes in length and 8 bytes alignment required. 650 */ 651#ifndef __NO_STRICT_ALIGNMENT 652#define RE_FIXUP_RX 1 653#endif 654 655#define RL_8169_TX_DESC_CNT 256 656#define RL_8169_RX_DESC_CNT 256 657#define RL_8139_TX_DESC_CNT 64 658#define RL_8139_RX_DESC_CNT 64 659#define RL_TX_DESC_CNT RL_8169_TX_DESC_CNT 660#define RL_RX_DESC_CNT RL_8169_RX_DESC_CNT 661#define RL_NTXSEGS 32 662 663#define RL_RING_ALIGN 256 664#define RL_IFQ_MAXLEN 512 665#define RL_TX_DESC_NXT(sc,x) ((x + 1) & ((sc)->rl_ldata.rl_tx_desc_cnt - 1)) 666#define RL_TX_DESC_PRV(sc,x) ((x - 1) & ((sc)->rl_ldata.rl_tx_desc_cnt - 1)) 667#define RL_RX_DESC_NXT(sc,x) ((x + 1) & ((sc)->rl_ldata.rl_rx_desc_cnt - 1)) 668#define RL_OWN(x) (le32toh((x)->rl_cmdstat) & RL_RDESC_STAT_OWN) 669#define RL_RXBYTES(x) (le32toh((x)->rl_cmdstat) & sc->rl_rxlenmask) 670#define RL_PKTSZ(x) ((x)/* >> 3*/) 671#ifdef RE_FIXUP_RX 672#define RE_ETHER_ALIGN sizeof(uint64_t) 673#define RE_RX_DESC_BUFLEN (MCLBYTES - RE_ETHER_ALIGN) 674#else 675#define RE_ETHER_ALIGN 0 676#define RE_RX_DESC_BUFLEN MCLBYTES 677#endif 678 679#define RL_MSI_MESSAGES 2 680 681#define RL_ADDR_LO(y) ((uint64_t) (y) & 0xFFFFFFFF) 682#define RL_ADDR_HI(y) ((uint64_t) (y) >> 32) 683 684/* see comment in dev/re/if_re.c */ 685#define RL_JUMBO_FRAMELEN 7440 686#define RL_JUMBO_MTU (RL_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN) 687 688struct rl_txdesc { 689 struct mbuf *tx_m; 690 bus_dmamap_t tx_dmamap; 691}; 692 693struct rl_rxdesc { 694 struct mbuf *rx_m; 695 bus_dmamap_t rx_dmamap; 696 bus_size_t rx_size; 697}; 698 699struct rl_list_data { 700 struct rl_txdesc rl_tx_desc[RL_TX_DESC_CNT]; 701 struct rl_rxdesc rl_rx_desc[RL_RX_DESC_CNT]; 702 int rl_tx_desc_cnt; 703 int rl_rx_desc_cnt; 704 int rl_tx_prodidx; 705 int rl_rx_prodidx; 706 int rl_tx_considx; 707 int rl_tx_free; 708 bus_dma_tag_t rl_tx_mtag; /* mbuf TX mapping tag */ 709 bus_dma_tag_t rl_rx_mtag; /* mbuf RX mapping tag */ 710 bus_dmamap_t rl_rx_sparemap; 711 bus_dma_tag_t rl_stag; /* stats mapping tag */ 712 bus_dmamap_t rl_smap; /* stats map */ 713 struct rl_stats *rl_stats; 714 bus_addr_t rl_stats_addr; 715 bus_dma_tag_t rl_rx_list_tag; 716 bus_dmamap_t rl_rx_list_map; 717 struct rl_desc *rl_rx_list; 718 bus_addr_t rl_rx_list_addr; 719 bus_dma_tag_t rl_tx_list_tag; 720 bus_dmamap_t rl_tx_list_map; 721 struct rl_desc *rl_tx_list; 722 bus_addr_t rl_tx_list_addr; 723}; 724 725struct rl_softc { 726 struct ifnet *rl_ifp; /* interface info */ 727 bus_space_handle_t rl_bhandle; /* bus space handle */ 728 bus_space_tag_t rl_btag; /* bus space tag */ 729 device_t rl_dev; 730 struct resource *rl_res; 731 struct resource *rl_irq[RL_MSI_MESSAGES]; 732 void *rl_intrhand[RL_MSI_MESSAGES]; 733 device_t rl_miibus; 734 bus_dma_tag_t rl_parent_tag; 735 bus_dma_tag_t rl_tag; 736 uint8_t rl_type; 737 int rl_eecmd_read; 738 int rl_eewidth; 739 uint8_t rl_stats_no_timeout; 740 int rl_txthresh; 741 struct rl_chain_data rl_cdata; 742 struct rl_list_data rl_ldata; 743 struct callout rl_stat_callout; 744 int rl_watchdog_timer; 745 struct mtx rl_mtx; 746 struct mbuf *rl_head; 747 struct mbuf *rl_tail; 748 uint32_t rl_hwrev; 749 uint32_t rl_rxlenmask; 750 int rl_testmode; 751 int rl_if_flags; 752 int suspended; /* 0 = normal 1 = suspended */ 753#ifdef DEVICE_POLLING 754 int rxcycles; 755#endif 756 757 struct task rl_txtask; 758 struct task rl_inttask; 759 760 int rl_txstart; 761 int rl_link; 762 int rl_msi; 763}; 764 765#define RL_LOCK(_sc) mtx_lock(&(_sc)->rl_mtx) 766#define RL_UNLOCK(_sc) mtx_unlock(&(_sc)->rl_mtx) 767#define RL_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->rl_mtx, MA_OWNED) 768 769/* 770 * register space access macros 771 */ 772#define CSR_WRITE_STREAM_4(sc, reg, val) \ 773 bus_space_write_stream_4(sc->rl_btag, sc->rl_bhandle, reg, val) 774#define CSR_WRITE_4(sc, reg, val) \ 775 bus_space_write_4(sc->rl_btag, sc->rl_bhandle, reg, val) 776#define CSR_WRITE_2(sc, reg, val) \ 777 bus_space_write_2(sc->rl_btag, sc->rl_bhandle, reg, val) 778#define CSR_WRITE_1(sc, reg, val) \ 779 bus_space_write_1(sc->rl_btag, sc->rl_bhandle, reg, val) 780 781#define CSR_READ_4(sc, reg) \ 782 bus_space_read_4(sc->rl_btag, sc->rl_bhandle, reg) 783#define CSR_READ_2(sc, reg) \ 784 bus_space_read_2(sc->rl_btag, sc->rl_bhandle, reg) 785#define CSR_READ_1(sc, reg) \ 786 bus_space_read_1(sc->rl_btag, sc->rl_bhandle, reg) 787 788#define CSR_SETBIT_1(sc, offset, val) \ 789 CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) | (val)) 790 791#define CSR_CLRBIT_1(sc, offset, val) \ 792 CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) & ~(val)) 793 794#define CSR_SETBIT_2(sc, offset, val) \ 795 CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) | (val)) 796 797#define CSR_CLRBIT_2(sc, offset, val) \ 798 CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) & ~(val)) 799 800#define CSR_SETBIT_4(sc, offset, val) \ 801 CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) | (val)) 802 803#define CSR_CLRBIT_4(sc, offset, val) \ 804 CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) & ~(val)) 805 806#define RL_TIMEOUT 1000 807 808/* 809 * General constants that are fun to know. 810 * 811 * RealTek PCI vendor ID 812 */ 813#define RT_VENDORID 0x10EC 814 815/* 816 * RealTek chip device IDs. 817 */ 818#define RT_DEVICEID_8129 0x8129 819#define RT_DEVICEID_8101E 0x8136 820#define RT_DEVICEID_8138 0x8138 821#define RT_DEVICEID_8139 0x8139 822#define RT_DEVICEID_8169SC 0x8167 823#define RT_DEVICEID_8168 0x8168 824#define RT_DEVICEID_8169 0x8169 825#define RT_DEVICEID_8100 0x8100 826 827#define RT_REVID_8139CPLUS 0x20 828 829/* 830 * Accton PCI vendor ID 831 */ 832#define ACCTON_VENDORID 0x1113 833 834/* 835 * Accton MPX 5030/5038 device ID. 836 */ 837#define ACCTON_DEVICEID_5030 0x1211 838 839/* 840 * Nortel PCI vendor ID 841 */ 842#define NORTEL_VENDORID 0x126C 843 844/* 845 * Delta Electronics Vendor ID. 846 */ 847#define DELTA_VENDORID 0x1500 848 849/* 850 * Delta device IDs. 851 */ 852#define DELTA_DEVICEID_8139 0x1360 853 854/* 855 * Addtron vendor ID. 856 */ 857#define ADDTRON_VENDORID 0x4033 858 859/* 860 * Addtron device IDs. 861 */ 862#define ADDTRON_DEVICEID_8139 0x1360 863 864/* 865 * D-Link vendor ID. 866 */ 867#define DLINK_VENDORID 0x1186 868 869/* 870 * D-Link DFE-530TX+ device ID 871 */ 872#define DLINK_DEVICEID_530TXPLUS 0x1300 873 874/* 875 * D-Link DFE-5280T device ID 876 */ 877#define DLINK_DEVICEID_528T 0x4300 878 879/* 880 * D-Link DFE-690TXD device ID 881 */ 882#define DLINK_DEVICEID_690TXD 0x1340 883 884/* 885 * Corega K.K vendor ID 886 */ 887#define COREGA_VENDORID 0x1259 888 889/* 890 * Corega FEther CB-TXD device ID 891 */ 892#define COREGA_DEVICEID_FETHERCBTXD 0xa117 893 894/* 895 * Corega FEtherII CB-TXD device ID 896 */ 897#define COREGA_DEVICEID_FETHERIICBTXD 0xa11e 898 899/* 900 * Corega CG-LAPCIGT device ID 901 */ 902#define COREGA_DEVICEID_CGLAPCIGT 0xc107 903 904/* 905 * Linksys vendor ID 906 */ 907#define LINKSYS_VENDORID 0x1737 908 909/* 910 * Linksys EG1032 device ID 911 */ 912#define LINKSYS_DEVICEID_EG1032 0x1032 913 914/* 915 * Linksys EG1032 rev 3 sub-device ID 916 */ 917#define LINKSYS_SUBDEVICE_EG1032_REV3 0x0024 918 919/* 920 * Peppercon vendor ID 921 */ 922#define PEPPERCON_VENDORID 0x1743 923 924/* 925 * Peppercon ROL-F device ID 926 */ 927#define PEPPERCON_DEVICEID_ROLF 0x8139 928 929/* 930 * Planex Communications, Inc. vendor ID 931 */ 932#define PLANEX_VENDORID 0x14ea 933 934/* 935 * Planex FNW-3603-TX device ID 936 */ 937#define PLANEX_DEVICEID_FNW3603TX 0xab06 938 939/* 940 * Planex FNW-3800-TX device ID 941 */ 942#define PLANEX_DEVICEID_FNW3800TX 0xab07 943 944/* 945 * LevelOne vendor ID 946 */ 947#define LEVEL1_VENDORID 0x018A 948 949/* 950 * LevelOne FPC-0106TX devide ID 951 */ 952#define LEVEL1_DEVICEID_FPC0106TX 0x0106 953 954/* 955 * Compaq vendor ID 956 */ 957#define CP_VENDORID 0x021B 958 959/* 960 * Edimax vendor ID 961 */ 962#define EDIMAX_VENDORID 0x13D1 963 964/* 965 * Edimax EP-4103DL cardbus device ID 966 */ 967#define EDIMAX_DEVICEID_EP4103DL 0xAB06 968 969/* US Robotics vendor ID */ 970 971#define USR_VENDORID 0x16EC 972 973/* US Robotics 997902 device ID */ 974 975#define USR_DEVICEID_997902 0x0116 976 977/* 978 * PCI low memory base and low I/O base register, and 979 * other PCI registers. 980 */ 981 982#define RL_PCI_VENDOR_ID 0x00 983#define RL_PCI_DEVICE_ID 0x02 984#define RL_PCI_COMMAND 0x04 985#define RL_PCI_STATUS 0x06 986#define RL_PCI_CLASSCODE 0x09 987#define RL_PCI_LATENCY_TIMER 0x0D 988#define RL_PCI_HEADER_TYPE 0x0E 989#define RL_PCI_LOIO 0x10 990#define RL_PCI_LOMEM 0x14 991#define RL_PCI_BIOSROM 0x30 992#define RL_PCI_INTLINE 0x3C 993#define RL_PCI_INTPIN 0x3D 994#define RL_PCI_MINGNT 0x3E 995#define RL_PCI_MINLAT 0x0F 996#define RL_PCI_RESETOPT 0x48 997#define RL_PCI_EEPROM_DATA 0x4C 998 999#define RL_PCI_CAPID 0x50 /* 8 bits */ 1000#define RL_PCI_NEXTPTR 0x51 /* 8 bits */ 1001#define RL_PCI_PWRMGMTCAP 0x52 /* 16 bits */ 1002#define RL_PCI_PWRMGMTCTRL 0x54 /* 16 bits */ 1003 1004#define RL_PSTATE_MASK 0x0003 1005#define RL_PSTATE_D0 0x0000 1006#define RL_PSTATE_D1 0x0002 1007#define RL_PSTATE_D2 0x0002 1008#define RL_PSTATE_D3 0x0003 1009#define RL_PME_EN 0x0010 1010#define RL_PME_STATUS 0x8000 1011