1/* SPDX-License-Identifier: GPL-2.0 */ 2 3#ifndef _SLIC_H 4#define _SLIC_H 5 6#include <linux/types.h> 7#include <linux/netdevice.h> 8#include <linux/spinlock_types.h> 9#include <linux/dma-mapping.h> 10#include <linux/pci.h> 11#include <linux/list.h> 12#include <linux/u64_stats_sync.h> 13 14#define SLIC_VGBSTAT_XPERR 0x40000000 15#define SLIC_VGBSTAT_XERRSHFT 25 16#define SLIC_VGBSTAT_XCSERR 0x23 17#define SLIC_VGBSTAT_XUFLOW 0x22 18#define SLIC_VGBSTAT_XHLEN 0x20 19#define SLIC_VGBSTAT_NETERR 0x01000000 20#define SLIC_VGBSTAT_NERRSHFT 16 21#define SLIC_VGBSTAT_NERRMSK 0x1ff 22#define SLIC_VGBSTAT_NCSERR 0x103 23#define SLIC_VGBSTAT_NUFLOW 0x102 24#define SLIC_VGBSTAT_NHLEN 0x100 25#define SLIC_VGBSTAT_LNKERR 0x00000080 26#define SLIC_VGBSTAT_LERRMSK 0xff 27#define SLIC_VGBSTAT_LDEARLY 0x86 28#define SLIC_VGBSTAT_LBOFLO 0x85 29#define SLIC_VGBSTAT_LCODERR 0x84 30#define SLIC_VGBSTAT_LDBLNBL 0x83 31#define SLIC_VGBSTAT_LCRCERR 0x82 32#define SLIC_VGBSTAT_LOFLO 0x81 33#define SLIC_VGBSTAT_LUFLO 0x80 34 35#define SLIC_IRHDDR_FLEN_MSK 0x0000ffff 36#define SLIC_IRHDDR_SVALID 0x80000000 37#define SLIC_IRHDDR_ERR 0x10000000 38 39#define SLIC_VRHSTAT_802OE 0x80000000 40#define SLIC_VRHSTAT_TPOFLO 0x10000000 41#define SLIC_VRHSTATB_802UE 0x80000000 42#define SLIC_VRHSTATB_RCVE 0x40000000 43#define SLIC_VRHSTATB_BUFF 0x20000000 44#define SLIC_VRHSTATB_CARRE 0x08000000 45#define SLIC_VRHSTATB_LONGE 0x02000000 46#define SLIC_VRHSTATB_PREA 0x01000000 47#define SLIC_VRHSTATB_CRC 0x00800000 48#define SLIC_VRHSTATB_DRBL 0x00400000 49#define SLIC_VRHSTATB_CODE 0x00200000 50#define SLIC_VRHSTATB_TPCSUM 0x00100000 51#define SLIC_VRHSTATB_TPHLEN 0x00080000 52#define SLIC_VRHSTATB_IPCSUM 0x00040000 53#define SLIC_VRHSTATB_IPLERR 0x00020000 54#define SLIC_VRHSTATB_IPHERR 0x00010000 55 56#define SLIC_CMD_XMT_REQ 0x01 57#define SLIC_CMD_TYPE_DUMB 3 58 59#define SLIC_RESET_MAGIC 0xDEAD 60#define SLIC_ICR_INT_OFF 0 61#define SLIC_ICR_INT_ON 1 62#define SLIC_ICR_INT_MASK 2 63 64#define SLIC_ISR_ERR 0x80000000 65#define SLIC_ISR_RCV 0x40000000 66#define SLIC_ISR_CMD 0x20000000 67#define SLIC_ISR_IO 0x60000000 68#define SLIC_ISR_UPC 0x10000000 69#define SLIC_ISR_LEVENT 0x08000000 70#define SLIC_ISR_RMISS 0x02000000 71#define SLIC_ISR_UPCERR 0x01000000 72#define SLIC_ISR_XDROP 0x00800000 73#define SLIC_ISR_UPCBSY 0x00020000 74 75#define SLIC_ISR_PING_MASK 0x00700000 76#define SLIC_ISR_UPCERR_MASK (SLIC_ISR_UPCERR | SLIC_ISR_UPCBSY) 77#define SLIC_ISR_UPC_MASK (SLIC_ISR_UPC | SLIC_ISR_UPCERR_MASK) 78#define SLIC_WCS_START 0x80000000 79#define SLIC_WCS_COMPARE 0x40000000 80#define SLIC_RCVWCS_BEGIN 0x40000000 81#define SLIC_RCVWCS_FINISH 0x80000000 82 83#define SLIC_MIICR_REG_16 0x00100000 84#define SLIC_MRV_REG16_XOVERON 0x0068 85 86#define SLIC_GIG_LINKUP 0x0001 87#define SLIC_GIG_FULLDUPLEX 0x0002 88#define SLIC_GIG_SPEED_MASK 0x000C 89#define SLIC_GIG_SPEED_1000 0x0008 90#define SLIC_GIG_SPEED_100 0x0004 91#define SLIC_GIG_SPEED_10 0x0000 92 93#define SLIC_GMCR_RESET 0x80000000 94#define SLIC_GMCR_GBIT 0x20000000 95#define SLIC_GMCR_FULLD 0x10000000 96#define SLIC_GMCR_GAPBB_SHIFT 14 97#define SLIC_GMCR_GAPR1_SHIFT 7 98#define SLIC_GMCR_GAPR2_SHIFT 0 99#define SLIC_GMCR_GAPBB_1000 0x60 100#define SLIC_GMCR_GAPR1_1000 0x2C 101#define SLIC_GMCR_GAPR2_1000 0x40 102#define SLIC_GMCR_GAPBB_100 0x70 103#define SLIC_GMCR_GAPR1_100 0x2C 104#define SLIC_GMCR_GAPR2_100 0x40 105 106#define SLIC_XCR_RESET 0x80000000 107#define SLIC_XCR_XMTEN 0x40000000 108#define SLIC_XCR_PAUSEEN 0x20000000 109#define SLIC_XCR_LOADRNG 0x10000000 110 111#define SLIC_GXCR_RESET 0x80000000 112#define SLIC_GXCR_XMTEN 0x40000000 113#define SLIC_GXCR_PAUSEEN 0x20000000 114 115#define SLIC_GRCR_RESET 0x80000000 116#define SLIC_GRCR_RCVEN 0x40000000 117#define SLIC_GRCR_RCVALL 0x20000000 118#define SLIC_GRCR_RCVBAD 0x10000000 119#define SLIC_GRCR_CTLEN 0x08000000 120#define SLIC_GRCR_ADDRAEN 0x02000000 121#define SLIC_GRCR_HASHSIZE_SHIFT 17 122#define SLIC_GRCR_HASHSIZE 14 123 124/* Reset Register */ 125#define SLIC_REG_RESET 0x0000 126/* Interrupt Control Register */ 127#define SLIC_REG_ICR 0x0008 128/* Interrupt status pointer */ 129#define SLIC_REG_ISP 0x0010 130/* Interrupt status */ 131#define SLIC_REG_ISR 0x0018 132/* Header buffer address reg 133 * 31-8 - phy addr of set of contiguous hdr buffers 134 * 7-0 - number of buffers passed 135 * Buffers are 256 bytes long on 256-byte boundaries. 136 */ 137#define SLIC_REG_HBAR 0x0020 138/* Data buffer handle & address reg 139 * 4 sets of registers; Buffers are 2K bytes long 2 per 4K page. 140 */ 141#define SLIC_REG_DBAR 0x0028 142/* Xmt Cmd buf addr regs. 143 * 1 per XMT interface 144 * 31-5 - phy addr of host command buffer 145 * 4-0 - length of cmd in multiples of 32 bytes 146 * Buffers are 32 bytes up to 512 bytes long 147 */ 148#define SLIC_REG_CBAR 0x0030 149/* Write control store */ 150#define SLIC_REG_WCS 0x0034 151/*Response buffer address reg. 152 * 31-8 - phy addr of set of contiguous response buffers 153 * 7-0 - number of buffers passed 154 * Buffers are 32 bytes long on 32-byte boundaries. 155 */ 156#define SLIC_REG_RBAR 0x0038 157/* Read statistics (UPR) */ 158#define SLIC_REG_RSTAT 0x0040 159/* Read link status */ 160#define SLIC_REG_LSTAT 0x0048 161/* Write Mac Config */ 162#define SLIC_REG_WMCFG 0x0050 163/* Write phy register */ 164#define SLIC_REG_WPHY 0x0058 165/* Rcv Cmd buf addr reg */ 166#define SLIC_REG_RCBAR 0x0060 167/* Read SLIC Config*/ 168#define SLIC_REG_RCONFIG 0x0068 169/* Interrupt aggregation time */ 170#define SLIC_REG_INTAGG 0x0070 171/* Write XMIT config reg */ 172#define SLIC_REG_WXCFG 0x0078 173/* Write RCV config reg */ 174#define SLIC_REG_WRCFG 0x0080 175/* Write rcv addr a low */ 176#define SLIC_REG_WRADDRAL 0x0088 177/* Write rcv addr a high */ 178#define SLIC_REG_WRADDRAH 0x0090 179/* Write rcv addr b low */ 180#define SLIC_REG_WRADDRBL 0x0098 181/* Write rcv addr b high */ 182#define SLIC_REG_WRADDRBH 0x00a0 183/* Low bits of mcast mask */ 184#define SLIC_REG_MCASTLOW 0x00a8 185/* High bits of mcast mask */ 186#define SLIC_REG_MCASTHIGH 0x00b0 187/* Ping the card */ 188#define SLIC_REG_PING 0x00b8 189/* Dump command */ 190#define SLIC_REG_DUMP_CMD 0x00c0 191/* Dump data pointer */ 192#define SLIC_REG_DUMP_DATA 0x00c8 193/* Read card's pci_status register */ 194#define SLIC_REG_PCISTATUS 0x00d0 195/* Write hostid field */ 196#define SLIC_REG_WRHOSTID 0x00d8 197/* Put card in a low power state */ 198#define SLIC_REG_LOW_POWER 0x00e0 199/* Force slic into quiescent state before soft reset */ 200#define SLIC_REG_QUIESCE 0x00e8 201/* Reset interface queues */ 202#define SLIC_REG_RESET_IFACE 0x00f0 203/* Register is only written when it has changed. 204 * Bits 63-32 for host i/f addrs. 205 */ 206#define SLIC_REG_ADDR_UPPER 0x00f8 207/* 64 bit Header buffer address reg */ 208#define SLIC_REG_HBAR64 0x0100 209/* 64 bit Data buffer handle & address reg */ 210#define SLIC_REG_DBAR64 0x0108 211/* 64 bit Xmt Cmd buf addr regs. */ 212#define SLIC_REG_CBAR64 0x0110 213/* 64 bit Response buffer address reg.*/ 214#define SLIC_REG_RBAR64 0x0118 215/* 64 bit Rcv Cmd buf addr reg*/ 216#define SLIC_REG_RCBAR64 0x0120 217/* Read statistics (64 bit UPR) */ 218#define SLIC_REG_RSTAT64 0x0128 219/* Download Gigabit RCV sequencer ucode */ 220#define SLIC_REG_RCV_WCS 0x0130 221/* Write VlanId field */ 222#define SLIC_REG_WRVLANID 0x0138 223/* Read Transformer info */ 224#define SLIC_REG_READ_XF_INFO 0x0140 225/* Write Transformer info */ 226#define SLIC_REG_WRITE_XF_INFO 0x0148 227/* Write card ticks per second */ 228#define SLIC_REG_TICKS_PER_SEC 0x0170 229#define SLIC_REG_HOSTID 0x1554 230 231#define PCI_VENDOR_ID_ALACRITECH 0x139A 232#define PCI_DEVICE_ID_ALACRITECH_MOJAVE 0x0005 233#define PCI_SUBDEVICE_ID_ALACRITECH_1000X1 0x0005 234#define PCI_SUBDEVICE_ID_ALACRITECH_1000X1_2 0x0006 235#define PCI_SUBDEVICE_ID_ALACRITECH_1000X1F 0x0007 236#define PCI_SUBDEVICE_ID_ALACRITECH_CICADA 0x0008 237#define PCI_SUBDEVICE_ID_ALACRITECH_SES1001T 0x2006 238#define PCI_SUBDEVICE_ID_ALACRITECH_SES1001F 0x2007 239#define PCI_DEVICE_ID_ALACRITECH_OASIS 0x0007 240#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XT 0x000B 241#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2002XF 0x000C 242#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XT 0x000D 243#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2001XF 0x000E 244#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104EF 0x000F 245#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2104ET 0x0010 246#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102EF 0x0011 247#define PCI_SUBDEVICE_ID_ALACRITECH_SEN2102ET 0x0012 248 249/* Note: power of two required for number descriptors */ 250#define SLIC_NUM_RX_LES 256 251#define SLIC_RX_BUFF_SIZE 2048 252#define SLIC_RX_BUFF_ALIGN 256 253#define SLIC_RX_BUFF_HDR_SIZE 34 254#define SLIC_MAX_REQ_RX_DESCS 1 255 256#define SLIC_NUM_TX_DESCS 256 257#define SLIC_TX_DESC_ALIGN 32 258#define SLIC_MIN_TX_WAKEUP_DESCS 10 259#define SLIC_MAX_REQ_TX_DESCS 1 260#define SLIC_MAX_TX_COMPLETIONS 100 261 262#define SLIC_NUM_STAT_DESCS 128 263#define SLIC_STATS_DESC_ALIGN 256 264 265#define SLIC_NUM_STAT_DESC_ARRAYS 4 266#define SLIC_INVALID_STAT_DESC_IDX 0xffffffff 267 268#define SLIC_UPR_LSTAT 0 269#define SLIC_UPR_CONFIG 1 270 271#define SLIC_EEPROM_SIZE 128 272#define SLIC_EEPROM_MAGIC 0xa5a5 273 274#define SLIC_FIRMWARE_MOJAVE "slicoss/gbdownload.sys" 275#define SLIC_FIRMWARE_OASIS "slicoss/oasisdownload.sys" 276#define SLIC_RCV_FIRMWARE_MOJAVE "slicoss/gbrcvucode.sys" 277#define SLIC_RCV_FIRMWARE_OASIS "slicoss/oasisrcvucode.sys" 278#define SLIC_FIRMWARE_MIN_SIZE 64 279#define SLIC_FIRMWARE_MAX_SECTIONS 3 280 281#define SLIC_MODEL_MOJAVE 0 282#define SLIC_MODEL_OASIS 1 283 284#define SLIC_INC_STATS_COUNTER(st, counter) \ 285do { \ 286 u64_stats_update_begin(&(st)->syncp); \ 287 (st)->counter++; \ 288 u64_stats_update_end(&(st)->syncp); \ 289} while (0) 290 291#define SLIC_GET_STATS_COUNTER(newst, st, counter) \ 292{ \ 293 unsigned int start; \ 294 do { \ 295 start = u64_stats_fetch_begin(&(st)->syncp); \ 296 newst = (st)->counter; \ 297 } while (u64_stats_fetch_retry(&(st)->syncp, start)); \ 298} 299 300struct slic_upr { 301 dma_addr_t paddr; 302 unsigned int type; 303 struct list_head list; 304}; 305 306struct slic_upr_list { 307 bool pending; 308 struct list_head list; 309 /* upr list lock */ 310 spinlock_t lock; 311}; 312 313/* SLIC EEPROM structure for Mojave */ 314struct slic_mojave_eeprom { 315 __le16 id; /* 00 EEPROM/FLASH Magic code 'A5A5'*/ 316 __le16 eeprom_code_size;/* 01 Size of EEPROM Codes (bytes * 4)*/ 317 __le16 flash_size; /* 02 Flash size */ 318 __le16 eeprom_size; /* 03 EEPROM Size */ 319 __le16 vendor_id; /* 04 Vendor ID */ 320 __le16 dev_id; /* 05 Device ID */ 321 u8 rev_id; /* 06 Revision ID */ 322 u8 class_code[3]; /* 07 Class Code */ 323 u8 irqpin_dbg; /* 08 Debug Interrupt pin */ 324 u8 irqpin; /* Network Interrupt Pin */ 325 u8 min_grant; /* 09 Minimum grant */ 326 u8 max_lat; /* Maximum Latency */ 327 __le16 pci_stat; /* 10 PCI Status */ 328 __le16 sub_vendor_id; /* 11 Subsystem Vendor Id */ 329 __le16 sub_id; /* 12 Subsystem ID */ 330 __le16 dev_id_dbg; /* 13 Debug Device Id */ 331 __le16 ramrom; /* 14 Dram/Rom function */ 332 __le16 dram_size2pci; /* 15 DRAM size to PCI (bytes * 64K) */ 333 __le16 rom_size2pci; /* 16 ROM extension size to PCI (bytes * 4k) */ 334 u8 pad[2]; /* 17 Padding */ 335 u8 freetime; /* 18 FreeTime setting */ 336 u8 ifctrl; /* 10-bit interface control (Mojave only) */ 337 __le16 dram_size; /* 19 DRAM size (bytes * 64k) */ 338 u8 mac[ETH_ALEN]; /* 20 MAC addresses */ 339 u8 mac2[ETH_ALEN]; 340 u8 pad2[6]; 341 u16 dev_id2; /* Device ID for 2nd PCI function */ 342 u8 irqpin2; /* Interrupt pin for 2nd PCI function */ 343 u8 class_code2[3]; /* Class Code for 2nd PCI function */ 344 u16 cfg_byte6; /* Config Byte 6 */ 345 u16 pme_cap; /* Power Mgment capabilities */ 346 u16 nwclk_ctrl; /* NetworkClockControls */ 347 u8 fru_format; /* Alacritech FRU format type */ 348 u8 fru_assembly[6]; /* Alacritech FRU information */ 349 u8 fru_rev[2]; 350 u8 fru_serial[14]; 351 u8 fru_pad[3]; 352 u8 oem_fru[28]; /* optional OEM FRU format type */ 353 u8 pad3[4]; /* Pad to 128 bytes - includes 2 cksum bytes 354 * (if OEM FRU info exists) and two unusable 355 * bytes at the end 356 */ 357}; 358 359/* SLIC EEPROM structure for Oasis */ 360struct slic_oasis_eeprom { 361 __le16 id; /* 00 EEPROM/FLASH Magic code 'A5A5' */ 362 __le16 eeprom_code_size;/* 01 Size of EEPROM Codes (bytes * 4)*/ 363 __le16 spidev0_cfg; /* 02 Flash Config for SPI device 0 */ 364 __le16 spidev1_cfg; /* 03 Flash Config for SPI device 1 */ 365 __le16 vendor_id; /* 04 Vendor ID */ 366 __le16 dev_id; /* 05 Device ID (function 0) */ 367 u8 rev_id; /* 06 Revision ID */ 368 u8 class_code0[3]; /* 07 Class Code for PCI function 0 */ 369 u8 irqpin1; /* 08 Interrupt pin for PCI function 1*/ 370 u8 class_code1[3]; /* 09 Class Code for PCI function 1 */ 371 u8 irqpin2; /* 10 Interrupt pin for PCI function 2*/ 372 u8 irqpin0; /* Interrupt pin for PCI function 0*/ 373 u8 min_grant; /* 11 Minimum grant */ 374 u8 max_lat; /* Maximum Latency */ 375 __le16 sub_vendor_id; /* 12 Subsystem Vendor Id */ 376 __le16 sub_id; /* 13 Subsystem ID */ 377 __le16 flash_size; /* 14 Flash size (bytes / 4K) */ 378 __le16 dram_size2pci; /* 15 DRAM size to PCI (bytes / 64K) */ 379 __le16 rom_size2pci; /* 16 Flash (ROM extension) size to PCI 380 * (bytes / 4K) 381 */ 382 __le16 dev_id1; /* 17 Device Id (function 1) */ 383 __le16 dev_id2; /* 18 Device Id (function 2) */ 384 __le16 dev_stat_cfg; /* 19 Device Status Config Bytes 6-7 */ 385 __le16 pme_cap; /* 20 Power Mgment capabilities */ 386 u8 msi_cap; /* 21 MSI capabilities */ 387 u8 clock_div; /* Clock divider */ 388 __le16 pci_stat_lo; /* 22 PCI Status bits 15:0 */ 389 __le16 pci_stat_hi; /* 23 PCI Status bits 31:16 */ 390 __le16 dram_cfg_lo; /* 24 DRAM Configuration bits 15:0 */ 391 __le16 dram_cfg_hi; /* 25 DRAM Configuration bits 31:16 */ 392 __le16 dram_size; /* 26 DRAM size (bytes / 64K) */ 393 __le16 gpio_tbi_ctrl; /* 27 GPIO/TBI controls for functions 1/0 */ 394 __le16 eeprom_size; /* 28 EEPROM Size */ 395 u8 mac[ETH_ALEN]; /* 29 MAC addresses (2 ports) */ 396 u8 mac2[ETH_ALEN]; 397 u8 fru_format; /* 35 Alacritech FRU format type */ 398 u8 fru_assembly[6]; /* Alacritech FRU information */ 399 u8 fru_rev[2]; 400 u8 fru_serial[14]; 401 u8 fru_pad[3]; 402 u8 oem_fru[28]; /* optional OEM FRU information */ 403 u8 pad[4]; /* Pad to 128 bytes - includes 2 checksum bytes 404 * (if OEM FRU info exists) and two unusable 405 * bytes at the end 406 */ 407}; 408 409struct slic_stats { 410 u64 rx_packets; 411 u64 rx_bytes; 412 u64 rx_mcasts; 413 u64 rx_errors; 414 u64 tx_packets; 415 u64 tx_bytes; 416 /* HW STATS */ 417 u64 rx_buff_miss; 418 u64 tx_dropped; 419 u64 irq_errs; 420 /* transport layer */ 421 u64 rx_tpcsum; 422 u64 rx_tpoflow; 423 u64 rx_tphlen; 424 /* ip layer */ 425 u64 rx_ipcsum; 426 u64 rx_iplen; 427 u64 rx_iphlen; 428 /* link layer */ 429 u64 rx_early; 430 u64 rx_buffoflow; 431 u64 rx_lcode; 432 u64 rx_drbl; 433 u64 rx_crc; 434 u64 rx_oflow802; 435 u64 rx_uflow802; 436 /* oasis only */ 437 u64 tx_carrier; 438 struct u64_stats_sync syncp; 439}; 440 441struct slic_shmem_data { 442 __le32 isr; 443 __le32 link; 444}; 445 446struct slic_shmem { 447 dma_addr_t isr_paddr; 448 dma_addr_t link_paddr; 449 struct slic_shmem_data *shmem_data; 450}; 451 452struct slic_rx_info_oasis { 453 __le32 frame_status; 454 __le32 frame_status_b; 455 __le32 time_stamp; 456 __le32 checksum; 457}; 458 459struct slic_rx_info_mojave { 460 __le32 frame_status; 461 __le16 byte_cnt; 462 __le16 tp_chksum; 463 __le16 ctx_hash; 464 __le16 mac_hash; 465 __le16 buff_lnk; 466}; 467 468struct slic_stat_desc { 469 __le32 hnd; 470 __u8 pad[8]; 471 __le32 status; 472 __u8 pad2[16]; 473}; 474 475struct slic_stat_queue { 476 struct slic_stat_desc *descs[SLIC_NUM_STAT_DESC_ARRAYS]; 477 dma_addr_t paddr[SLIC_NUM_STAT_DESC_ARRAYS]; 478 unsigned int addr_offset[SLIC_NUM_STAT_DESC_ARRAYS]; 479 unsigned int active_array; 480 unsigned int len; 481 unsigned int done_idx; 482 size_t mem_size; 483}; 484 485struct slic_tx_desc { 486 __le32 hnd; 487 __le32 rsvd; 488 u8 cmd; 489 u8 flags; 490 __le16 rsvd2; 491 __le32 totlen; 492 __le32 paddrl; 493 __le32 paddrh; 494 __le32 len; 495 __le32 type; 496}; 497 498struct slic_tx_buffer { 499 struct sk_buff *skb; 500 DEFINE_DMA_UNMAP_ADDR(map_addr); 501 DEFINE_DMA_UNMAP_LEN(map_len); 502 struct slic_tx_desc *desc; 503 dma_addr_t desc_paddr; 504}; 505 506struct slic_tx_queue { 507 struct dma_pool *dma_pool; 508 struct slic_tx_buffer *txbuffs; 509 unsigned int len; 510 unsigned int put_idx; 511 unsigned int done_idx; 512}; 513 514struct slic_rx_desc { 515 u8 pad[16]; 516 __le32 buffer; 517 __le32 length; 518 __le32 status; 519}; 520 521struct slic_rx_buffer { 522 struct sk_buff *skb; 523 DEFINE_DMA_UNMAP_ADDR(map_addr); 524 DEFINE_DMA_UNMAP_LEN(map_len); 525 unsigned int addr_offset; 526}; 527 528struct slic_rx_queue { 529 struct slic_rx_buffer *rxbuffs; 530 unsigned int len; 531 unsigned int done_idx; 532 unsigned int put_idx; 533}; 534 535struct slic_device { 536 struct pci_dev *pdev; 537 struct net_device *netdev; 538 void __iomem *regs; 539 /* upper address setting lock */ 540 spinlock_t upper_lock; 541 struct slic_shmem shmem; 542 struct napi_struct napi; 543 struct slic_rx_queue rxq; 544 struct slic_tx_queue txq; 545 struct slic_stat_queue stq; 546 struct slic_stats stats; 547 struct slic_upr_list upr_list; 548 /* link configuration lock */ 549 spinlock_t link_lock; 550 bool promisc; 551 int speed; 552 unsigned int duplex; 553 bool is_fiber; 554 unsigned char model; 555}; 556 557static inline u32 slic_read(struct slic_device *sdev, unsigned int reg) 558{ 559 return ioread32(sdev->regs + reg); 560} 561 562static inline void slic_write(struct slic_device *sdev, unsigned int reg, 563 u32 val) 564{ 565 iowrite32(val, sdev->regs + reg); 566} 567 568static inline void slic_flush_write(struct slic_device *sdev) 569{ 570 (void)ioread32(sdev->regs + SLIC_REG_HOSTID); 571} 572 573#endif /* _SLIC_H */ 574