1 /******************************************************************************* 2 3 Intel PRO/1000 Linux driver 4 Copyright(c) 1999 - 2012 Intel Corporation. 5 6 This program is free software; you can redistribute it and/or modify it 7 under the terms and conditions of the GNU General Public License, 8 version 2, as published by the Free Software Foundation. 9 10 This program is distributed in the hope it will be useful, but WITHOUT 11 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13 more details. 14 15 You should have received a copy of the GNU General Public License along with 16 this program; if not, write to the Free Software Foundation, Inc., 17 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA. 18 19 The full GNU General Public License is included in this distribution in 20 the file called "COPYING". 21 22 Contact Information: 23 Linux NICS <linux.nics@intel.com> 24 e1000-devel Mailing List <e1000-devel@lists.sourceforge.net> 25 Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497 26 27 *******************************************************************************/ 28 29 /* Linux PRO/1000 Ethernet Driver main header file */ 30 31 #ifndef _E1000_H_ 32 #define _E1000_H_ 33 34 #include <linux/bitops.h> 35 #include <linux/types.h> 36 #include <linux/timer.h> 37 #include <linux/workqueue.h> 38 #include <linux/io.h> 39 #include <linux/netdevice.h> 40 #include <linux/pci.h> 41 #include <linux/pci-aspm.h> 42 #include <linux/crc32.h> 43 #include <linux/if_vlan.h> 44 45 #include "hw.h" 46 47 struct e1000_info; 48 49 #define e_dbg(format, arg...) \ 50 netdev_dbg(hw->adapter->netdev, format, ## arg) 51 #define e_err(format, arg...) \ 52 netdev_err(adapter->netdev, format, ## arg) 53 #define e_info(format, arg...) \ 54 netdev_info(adapter->netdev, format, ## arg) 55 #define e_warn(format, arg...) \ 56 netdev_warn(adapter->netdev, format, ## arg) 57 #define e_notice(format, arg...) \ 58 netdev_notice(adapter->netdev, format, ## arg) 59 60 61 /* Interrupt modes, as used by the IntMode parameter */ 62 #define E1000E_INT_MODE_LEGACY 0 63 #define E1000E_INT_MODE_MSI 1 64 #define E1000E_INT_MODE_MSIX 2 65 66 /* Tx/Rx descriptor defines */ 67 #define E1000_DEFAULT_TXD 256 68 #define E1000_MAX_TXD 4096 69 #define E1000_MIN_TXD 64 70 71 #define E1000_DEFAULT_RXD 256 72 #define E1000_MAX_RXD 4096 73 #define E1000_MIN_RXD 64 74 75 #define E1000_MIN_ITR_USECS 10 /* 100000 irq/sec */ 76 #define E1000_MAX_ITR_USECS 10000 /* 100 irq/sec */ 77 78 /* Early Receive defines */ 79 #define E1000_ERT_2048 0x100 80 81 #define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */ 82 83 /* How many Tx Descriptors do we need to call netif_wake_queue ? */ 84 /* How many Rx Buffers do we bundle into one write to the hardware ? */ 85 #define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */ 86 87 #define AUTO_ALL_MODES 0 88 #define E1000_EEPROM_APME 0x0400 89 90 #define E1000_MNG_VLAN_NONE (-1) 91 92 /* Number of packet split data buffers (not including the header buffer) */ 93 #define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1) 94 95 #define DEFAULT_JUMBO 9234 96 97 /* BM/HV Specific Registers */ 98 #define BM_PORT_CTRL_PAGE 769 99 100 #define PHY_UPPER_SHIFT 21 101 #define BM_PHY_REG(page, reg) \ 102 (((reg) & MAX_PHY_REG_ADDRESS) |\ 103 (((page) & 0xFFFF) << PHY_PAGE_SHIFT) |\ 104 (((reg) & ~MAX_PHY_REG_ADDRESS) << (PHY_UPPER_SHIFT - PHY_PAGE_SHIFT))) 105 106 /* PHY Wakeup Registers and defines */ 107 #define BM_PORT_GEN_CFG PHY_REG(BM_PORT_CTRL_PAGE, 17) 108 #define BM_RCTL PHY_REG(BM_WUC_PAGE, 0) 109 #define BM_WUC PHY_REG(BM_WUC_PAGE, 1) 110 #define BM_WUFC PHY_REG(BM_WUC_PAGE, 2) 111 #define BM_WUS PHY_REG(BM_WUC_PAGE, 3) 112 #define BM_RAR_L(_i) (BM_PHY_REG(BM_WUC_PAGE, 16 + ((_i) << 2))) 113 #define BM_RAR_M(_i) (BM_PHY_REG(BM_WUC_PAGE, 17 + ((_i) << 2))) 114 #define BM_RAR_H(_i) (BM_PHY_REG(BM_WUC_PAGE, 18 + ((_i) << 2))) 115 #define BM_RAR_CTRL(_i) (BM_PHY_REG(BM_WUC_PAGE, 19 + ((_i) << 2))) 116 #define BM_MTA(_i) (BM_PHY_REG(BM_WUC_PAGE, 128 + ((_i) << 1))) 117 118 #define BM_RCTL_UPE 0x0001 /* Unicast Promiscuous Mode */ 119 #define BM_RCTL_MPE 0x0002 /* Multicast Promiscuous Mode */ 120 #define BM_RCTL_MO_SHIFT 3 /* Multicast Offset Shift */ 121 #define BM_RCTL_MO_MASK (3 << 3) /* Multicast Offset Mask */ 122 #define BM_RCTL_BAM 0x0020 /* Broadcast Accept Mode */ 123 #define BM_RCTL_PMCF 0x0040 /* Pass MAC Control Frames */ 124 #define BM_RCTL_RFCE 0x0080 /* Rx Flow Control Enable */ 125 126 #define HV_STATS_PAGE 778 127 #define HV_SCC_UPPER PHY_REG(HV_STATS_PAGE, 16) /* Single Collision Count */ 128 #define HV_SCC_LOWER PHY_REG(HV_STATS_PAGE, 17) 129 #define HV_ECOL_UPPER PHY_REG(HV_STATS_PAGE, 18) /* Excessive Coll. Count */ 130 #define HV_ECOL_LOWER PHY_REG(HV_STATS_PAGE, 19) 131 #define HV_MCC_UPPER PHY_REG(HV_STATS_PAGE, 20) /* Multiple Coll. Count */ 132 #define HV_MCC_LOWER PHY_REG(HV_STATS_PAGE, 21) 133 #define HV_LATECOL_UPPER PHY_REG(HV_STATS_PAGE, 23) /* Late Collision Count */ 134 #define HV_LATECOL_LOWER PHY_REG(HV_STATS_PAGE, 24) 135 #define HV_COLC_UPPER PHY_REG(HV_STATS_PAGE, 25) /* Collision Count */ 136 #define HV_COLC_LOWER PHY_REG(HV_STATS_PAGE, 26) 137 #define HV_DC_UPPER PHY_REG(HV_STATS_PAGE, 27) /* Defer Count */ 138 #define HV_DC_LOWER PHY_REG(HV_STATS_PAGE, 28) 139 #define HV_TNCRS_UPPER PHY_REG(HV_STATS_PAGE, 29) /* Transmit with no CRS */ 140 #define HV_TNCRS_LOWER PHY_REG(HV_STATS_PAGE, 30) 141 142 #define E1000_FCRTV_PCH 0x05F40 /* PCH Flow Control Refresh Timer Value */ 143 144 /* BM PHY Copper Specific Status */ 145 #define BM_CS_STATUS 17 146 #define BM_CS_STATUS_LINK_UP 0x0400 147 #define BM_CS_STATUS_RESOLVED 0x0800 148 #define BM_CS_STATUS_SPEED_MASK 0xC000 149 #define BM_CS_STATUS_SPEED_1000 0x8000 150 151 /* 82577 Mobile Phy Status Register */ 152 #define HV_M_STATUS 26 153 #define HV_M_STATUS_AUTONEG_COMPLETE 0x1000 154 #define HV_M_STATUS_SPEED_MASK 0x0300 155 #define HV_M_STATUS_SPEED_1000 0x0200 156 #define HV_M_STATUS_LINK_UP 0x0040 157 158 #define E1000_ICH_FWSM_PCIM2PCI 0x01000000 /* ME PCIm-to-PCI active */ 159 #define E1000_ICH_FWSM_PCIM2PCI_COUNT 2000 160 161 /* Time to wait before putting the device into D3 if there's no link (in ms). */ 162 #define LINK_TIMEOUT 100 163 164 /* Count for polling __E1000_RESET condition every 10-20msec. 165 * Experimentation has shown the reset can take approximately 210msec. 166 */ 167 #define E1000_CHECK_RESET_COUNT 25 168 169 #define DEFAULT_RDTR 0 170 #define DEFAULT_RADV 8 171 #define BURST_RDTR 0x20 172 #define BURST_RADV 0x20 173 174 /* in the case of WTHRESH, it appears at least the 82571/2 hardware 175 * writes back 4 descriptors when WTHRESH=5, and 3 descriptors when 176 * WTHRESH=4, so a setting of 5 gives the most efficient bus 177 * utilization but to avoid possible Tx stalls, set it to 1 178 */ 179 #define E1000_TXDCTL_DMA_BURST_ENABLE \ 180 (E1000_TXDCTL_GRAN | /* set descriptor granularity */ \ 181 E1000_TXDCTL_COUNT_DESC | \ 182 (1 << 16) | /* wthresh must be +1 more than desired */\ 183 (1 << 8) | /* hthresh */ \ 184 0x1f) /* pthresh */ 185 186 #define E1000_RXDCTL_DMA_BURST_ENABLE \ 187 (0x01000000 | /* set descriptor granularity */ \ 188 (4 << 16) | /* set writeback threshold */ \ 189 (4 << 8) | /* set prefetch threshold */ \ 190 0x20) /* set hthresh */ 191 192 #define E1000_TIDV_FPD (1 << 31) 193 #define E1000_RDTR_FPD (1 << 31) 194 195 enum e1000_boards { 196 board_82571, 197 board_82572, 198 board_82573, 199 board_82574, 200 board_82583, 201 board_80003es2lan, 202 board_ich8lan, 203 board_ich9lan, 204 board_ich10lan, 205 board_pchlan, 206 board_pch2lan, 207 board_pch_lpt, 208 }; 209 210 struct e1000_ps_page { 211 struct page *page; 212 u64 dma; /* must be u64 - written to hw */ 213 }; 214 215 /* wrappers around a pointer to a socket buffer, 216 * so a DMA handle can be stored along with the buffer 217 */ 218 struct e1000_buffer { 219 dma_addr_t dma; 220 struct sk_buff *skb; 221 union { 222 /* Tx */ 223 struct { 224 unsigned long time_stamp; 225 u16 length; 226 u16 next_to_watch; 227 unsigned int segs; 228 unsigned int bytecount; 229 u16 mapped_as_page; 230 }; 231 /* Rx */ 232 struct { 233 /* arrays of page information for packet split */ 234 struct e1000_ps_page *ps_pages; 235 struct page *page; 236 }; 237 }; 238 }; 239 240 struct e1000_ring { 241 struct e1000_adapter *adapter; /* back pointer to adapter */ 242 void *desc; /* pointer to ring memory */ 243 dma_addr_t dma; /* phys address of ring */ 244 unsigned int size; /* length of ring in bytes */ 245 unsigned int count; /* number of desc. in ring */ 246 247 u16 next_to_use; 248 u16 next_to_clean; 249 250 void __iomem *head; 251 void __iomem *tail; 252 253 /* array of buffer information structs */ 254 struct e1000_buffer *buffer_info; 255 256 char name[IFNAMSIZ + 5]; 257 u32 ims_val; 258 u32 itr_val; 259 void __iomem *itr_register; 260 int set_itr; 261 262 struct sk_buff *rx_skb_top; 263 }; 264 265 /* PHY register snapshot values */ 266 struct e1000_phy_regs { 267 u16 bmcr; /* basic mode control register */ 268 u16 bmsr; /* basic mode status register */ 269 u16 advertise; /* auto-negotiation advertisement */ 270 u16 lpa; /* link partner ability register */ 271 u16 expansion; /* auto-negotiation expansion reg */ 272 u16 ctrl1000; /* 1000BASE-T control register */ 273 u16 stat1000; /* 1000BASE-T status register */ 274 u16 estatus; /* extended status register */ 275 }; 276 277 /* board specific private data structure */ 278 struct e1000_adapter { 279 struct timer_list watchdog_timer; 280 struct timer_list phy_info_timer; 281 struct timer_list blink_timer; 282 283 struct work_struct reset_task; 284 struct work_struct watchdog_task; 285 286 const struct e1000_info *ei; 287 288 unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)]; 289 u32 bd_number; 290 u32 rx_buffer_len; 291 u16 mng_vlan_id; 292 u16 link_speed; 293 u16 link_duplex; 294 u16 eeprom_vers; 295 296 /* track device up/down/testing state */ 297 unsigned long state; 298 299 /* Interrupt Throttle Rate */ 300 u32 itr; 301 u32 itr_setting; 302 u16 tx_itr; 303 u16 rx_itr; 304 305 /* Tx */ 306 struct e1000_ring *tx_ring /* One per active queue */ 307 ____cacheline_aligned_in_smp; 308 u32 tx_fifo_limit; 309 310 struct napi_struct napi; 311 312 unsigned int uncorr_errors; /* uncorrectable ECC errors */ 313 unsigned int corr_errors; /* correctable ECC errors */ 314 unsigned int restart_queue; 315 u32 txd_cmd; 316 317 bool detect_tx_hung; 318 bool tx_hang_recheck; 319 u8 tx_timeout_factor; 320 321 u32 tx_int_delay; 322 u32 tx_abs_int_delay; 323 324 unsigned int total_tx_bytes; 325 unsigned int total_tx_packets; 326 unsigned int total_rx_bytes; 327 unsigned int total_rx_packets; 328 329 /* Tx stats */ 330 u64 tpt_old; 331 u64 colc_old; 332 u32 gotc; 333 u64 gotc_old; 334 u32 tx_timeout_count; 335 u32 tx_fifo_head; 336 u32 tx_head_addr; 337 u32 tx_fifo_size; 338 u32 tx_dma_failed; 339 340 /* Rx */ 341 bool (*clean_rx) (struct e1000_ring *ring, int *work_done, 342 int work_to_do) ____cacheline_aligned_in_smp; 343 void (*alloc_rx_buf) (struct e1000_ring *ring, int cleaned_count, 344 gfp_t gfp); 345 struct e1000_ring *rx_ring; 346 347 u32 rx_int_delay; 348 u32 rx_abs_int_delay; 349 350 /* Rx stats */ 351 u64 hw_csum_err; 352 u64 hw_csum_good; 353 u64 rx_hdr_split; 354 u32 gorc; 355 u64 gorc_old; 356 u32 alloc_rx_buff_failed; 357 u32 rx_dma_failed; 358 359 unsigned int rx_ps_pages; 360 u16 rx_ps_bsize0; 361 u32 max_frame_size; 362 u32 min_frame_size; 363 364 /* OS defined structs */ 365 struct net_device *netdev; 366 struct pci_dev *pdev; 367 368 /* structs defined in e1000_hw.h */ 369 struct e1000_hw hw; 370 371 spinlock_t stats64_lock; 372 struct e1000_hw_stats stats; 373 struct e1000_phy_info phy_info; 374 struct e1000_phy_stats phy_stats; 375 376 /* Snapshot of PHY registers */ 377 struct e1000_phy_regs phy_regs; 378 379 struct e1000_ring test_tx_ring; 380 struct e1000_ring test_rx_ring; 381 u32 test_icr; 382 383 u32 msg_enable; 384 unsigned int num_vectors; 385 struct msix_entry *msix_entries; 386 int int_mode; 387 u32 eiac_mask; 388 389 u32 eeprom_wol; 390 u32 wol; 391 u32 pba; 392 u32 max_hw_frame_size; 393 394 bool fc_autoneg; 395 396 unsigned int flags; 397 unsigned int flags2; 398 struct work_struct downshift_task; 399 struct work_struct update_phy_task; 400 struct work_struct print_hang_task; 401 402 bool idle_check; 403 int phy_hang_count; 404 405 u16 tx_ring_count; 406 u16 rx_ring_count; 407 }; 408 409 struct e1000_info { 410 enum e1000_mac_type mac; 411 unsigned int flags; 412 unsigned int flags2; 413 u32 pba; 414 u32 max_hw_frame_size; 415 s32 (*get_variants)(struct e1000_adapter *); 416 const struct e1000_mac_operations *mac_ops; 417 const struct e1000_phy_operations *phy_ops; 418 const struct e1000_nvm_operations *nvm_ops; 419 }; 420 421 /* hardware capability, feature, and workaround flags */ 422 #define FLAG_HAS_AMT (1 << 0) 423 #define FLAG_HAS_FLASH (1 << 1) 424 #define FLAG_HAS_HW_VLAN_FILTER (1 << 2) 425 #define FLAG_HAS_WOL (1 << 3) 426 /* reserved bit4 */ 427 #define FLAG_HAS_CTRLEXT_ON_LOAD (1 << 5) 428 #define FLAG_HAS_SWSM_ON_LOAD (1 << 6) 429 #define FLAG_HAS_JUMBO_FRAMES (1 << 7) 430 #define FLAG_READ_ONLY_NVM (1 << 8) 431 #define FLAG_IS_ICH (1 << 9) 432 #define FLAG_HAS_MSIX (1 << 10) 433 #define FLAG_HAS_SMART_POWER_DOWN (1 << 11) 434 #define FLAG_IS_QUAD_PORT_A (1 << 12) 435 #define FLAG_IS_QUAD_PORT (1 << 13) 436 /* reserved bit14 */ 437 #define FLAG_APME_IN_WUC (1 << 15) 438 #define FLAG_APME_IN_CTRL3 (1 << 16) 439 #define FLAG_APME_CHECK_PORT_B (1 << 17) 440 #define FLAG_DISABLE_FC_PAUSE_TIME (1 << 18) 441 #define FLAG_NO_WAKE_UCAST (1 << 19) 442 #define FLAG_MNG_PT_ENABLED (1 << 20) 443 #define FLAG_RESET_OVERWRITES_LAA (1 << 21) 444 #define FLAG_TARC_SPEED_MODE_BIT (1 << 22) 445 #define FLAG_TARC_SET_BIT_ZERO (1 << 23) 446 #define FLAG_RX_NEEDS_RESTART (1 << 24) 447 #define FLAG_LSC_GIG_SPEED_DROP (1 << 25) 448 #define FLAG_SMART_POWER_DOWN (1 << 26) 449 #define FLAG_MSI_ENABLED (1 << 27) 450 /* reserved (1 << 28) */ 451 #define FLAG_TSO_FORCE (1 << 29) 452 #define FLAG_RX_RESTART_NOW (1 << 30) 453 #define FLAG_MSI_TEST_FAILED (1 << 31) 454 455 #define FLAG2_CRC_STRIPPING (1 << 0) 456 #define FLAG2_HAS_PHY_WAKEUP (1 << 1) 457 #define FLAG2_IS_DISCARDING (1 << 2) 458 #define FLAG2_DISABLE_ASPM_L1 (1 << 3) 459 #define FLAG2_HAS_PHY_STATS (1 << 4) 460 #define FLAG2_HAS_EEE (1 << 5) 461 #define FLAG2_DMA_BURST (1 << 6) 462 #define FLAG2_DISABLE_ASPM_L0S (1 << 7) 463 #define FLAG2_DISABLE_AIM (1 << 8) 464 #define FLAG2_CHECK_PHY_HANG (1 << 9) 465 #define FLAG2_NO_DISABLE_RX (1 << 10) 466 #define FLAG2_PCIM2PCI_ARBITER_WA (1 << 11) 467 #define FLAG2_DFLT_CRC_STRIPPING (1 << 12) 468 469 #define E1000_RX_DESC_PS(R, i) \ 470 (&(((union e1000_rx_desc_packet_split *)((R).desc))[i])) 471 #define E1000_RX_DESC_EXT(R, i) \ 472 (&(((union e1000_rx_desc_extended *)((R).desc))[i])) 473 #define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i])) 474 #define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc) 475 #define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc) 476 477 enum e1000_state_t { 478 __E1000_TESTING, 479 __E1000_RESETTING, 480 __E1000_ACCESS_SHARED_RESOURCE, 481 __E1000_DOWN 482 }; 483 484 enum latency_range { 485 lowest_latency = 0, 486 low_latency = 1, 487 bulk_latency = 2, 488 latency_invalid = 255 489 }; 490 491 extern char e1000e_driver_name[]; 492 extern const char e1000e_driver_version[]; 493 494 extern void e1000e_check_options(struct e1000_adapter *adapter); 495 extern void e1000e_set_ethtool_ops(struct net_device *netdev); 496 497 extern int e1000e_up(struct e1000_adapter *adapter); 498 extern void e1000e_down(struct e1000_adapter *adapter); 499 extern void e1000e_reinit_locked(struct e1000_adapter *adapter); 500 extern void e1000e_reset(struct e1000_adapter *adapter); 501 extern void e1000e_power_up_phy(struct e1000_adapter *adapter); 502 extern int e1000e_setup_rx_resources(struct e1000_ring *ring); 503 extern int e1000e_setup_tx_resources(struct e1000_ring *ring); 504 extern void e1000e_free_rx_resources(struct e1000_ring *ring); 505 extern void e1000e_free_tx_resources(struct e1000_ring *ring); 506 extern struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev, 507 struct rtnl_link_stats64 508 *stats); 509 extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter); 510 extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter); 511 extern void e1000e_get_hw_control(struct e1000_adapter *adapter); 512 extern void e1000e_release_hw_control(struct e1000_adapter *adapter); 513 extern void e1000e_write_itr(struct e1000_adapter *adapter, u32 itr); 514 515 extern unsigned int copybreak; 516 517 extern char *e1000e_get_hw_dev_name(struct e1000_hw *hw); 518 519 extern const struct e1000_info e1000_82571_info; 520 extern const struct e1000_info e1000_82572_info; 521 extern const struct e1000_info e1000_82573_info; 522 extern const struct e1000_info e1000_82574_info; 523 extern const struct e1000_info e1000_82583_info; 524 extern const struct e1000_info e1000_ich8_info; 525 extern const struct e1000_info e1000_ich9_info; 526 extern const struct e1000_info e1000_ich10_info; 527 extern const struct e1000_info e1000_pch_info; 528 extern const struct e1000_info e1000_pch2_info; 529 extern const struct e1000_info e1000_pch_lpt_info; 530 extern const struct e1000_info e1000_es2_info; 531 532 extern s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num, 533 u32 pba_num_size); 534 535 extern s32 e1000e_commit_phy(struct e1000_hw *hw); 536 537 extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw); 538 539 extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw); 540 extern void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state); 541 542 extern void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw); 543 extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw, 544 bool state); 545 extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw); 546 extern void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw); 547 extern void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw); 548 extern void e1000_resume_workarounds_pchlan(struct e1000_hw *hw); 549 extern s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable); 550 extern s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable); 551 extern void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw); 552 553 extern s32 e1000e_check_for_copper_link(struct e1000_hw *hw); 554 extern s32 e1000e_check_for_fiber_link(struct e1000_hw *hw); 555 extern s32 e1000e_check_for_serdes_link(struct e1000_hw *hw); 556 extern s32 e1000e_setup_led_generic(struct e1000_hw *hw); 557 extern s32 e1000e_cleanup_led_generic(struct e1000_hw *hw); 558 extern s32 e1000e_led_on_generic(struct e1000_hw *hw); 559 extern s32 e1000e_led_off_generic(struct e1000_hw *hw); 560 extern s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw); 561 extern void e1000_set_lan_id_multi_port_pcie(struct e1000_hw *hw); 562 extern void e1000_set_lan_id_single_port(struct e1000_hw *hw); 563 extern s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex); 564 extern s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed, u16 *duplex); 565 extern s32 e1000e_disable_pcie_master(struct e1000_hw *hw); 566 extern s32 e1000e_get_auto_rd_done(struct e1000_hw *hw); 567 extern s32 e1000e_id_led_init_generic(struct e1000_hw *hw); 568 extern void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw); 569 extern s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw); 570 extern s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw); 571 extern s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw); 572 extern s32 e1000e_setup_link_generic(struct e1000_hw *hw); 573 extern void e1000_clear_vfta_generic(struct e1000_hw *hw); 574 extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count); 575 extern void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw, 576 u8 *mc_addr_list, 577 u32 mc_addr_count); 578 extern void e1000e_rar_set_generic(struct e1000_hw *hw, u8 *addr, u32 index); 579 extern s32 e1000e_set_fc_watermarks(struct e1000_hw *hw); 580 extern void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop); 581 extern s32 e1000e_get_hw_semaphore(struct e1000_hw *hw); 582 extern s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data); 583 extern void e1000e_config_collision_dist_generic(struct e1000_hw *hw); 584 extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw); 585 extern s32 e1000e_force_mac_fc(struct e1000_hw *hw); 586 extern s32 e1000e_blink_led_generic(struct e1000_hw *hw); 587 extern void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value); 588 extern s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw); 589 extern void e1000e_reset_adaptive(struct e1000_hw *hw); 590 extern void e1000e_update_adaptive(struct e1000_hw *hw); 591 592 extern s32 e1000e_setup_copper_link(struct e1000_hw *hw); 593 extern s32 e1000e_get_phy_id(struct e1000_hw *hw); 594 extern void e1000e_put_hw_semaphore(struct e1000_hw *hw); 595 extern s32 e1000e_check_reset_block_generic(struct e1000_hw *hw); 596 extern s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw); 597 extern s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw); 598 extern s32 e1000e_get_phy_info_igp(struct e1000_hw *hw); 599 extern s32 e1000_set_page_igp(struct e1000_hw *hw, u16 page); 600 extern s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data); 601 extern s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, 602 u16 *data); 603 extern s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw); 604 extern s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active); 605 extern s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data); 606 extern s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset, 607 u16 data); 608 extern s32 e1000e_phy_sw_reset(struct e1000_hw *hw); 609 extern s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw); 610 extern s32 e1000e_get_cfg_done(struct e1000_hw *hw); 611 extern s32 e1000e_get_cable_length_m88(struct e1000_hw *hw); 612 extern s32 e1000e_get_phy_info_m88(struct e1000_hw *hw); 613 extern s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data); 614 extern s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data); 615 extern s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw); 616 extern enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id); 617 extern s32 e1000e_determine_phy_address(struct e1000_hw *hw); 618 extern s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data); 619 extern s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data); 620 extern s32 e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, 621 u16 *phy_reg); 622 extern s32 e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw, 623 u16 *phy_reg); 624 extern s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data); 625 extern s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data); 626 extern void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl); 627 extern s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data); 628 extern s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, 629 u16 data); 630 extern s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data); 631 extern s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset, 632 u16 *data); 633 extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations, 634 u32 usec_interval, bool *success); 635 extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw); 636 extern void e1000_power_up_phy_copper(struct e1000_hw *hw); 637 extern void e1000_power_down_phy_copper(struct e1000_hw *hw); 638 extern s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data); 639 extern s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data); 640 extern s32 e1000e_check_downshift(struct e1000_hw *hw); 641 extern s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data); 642 extern s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, 643 u16 *data); 644 extern s32 e1000_read_phy_reg_page_hv(struct e1000_hw *hw, u32 offset, 645 u16 *data); 646 extern s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data); 647 extern s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset, 648 u16 data); 649 extern s32 e1000_write_phy_reg_page_hv(struct e1000_hw *hw, u32 offset, 650 u16 data); 651 extern s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw); 652 extern s32 e1000_copper_link_setup_82577(struct e1000_hw *hw); 653 extern s32 e1000_check_polarity_82577(struct e1000_hw *hw); 654 extern s32 e1000_get_phy_info_82577(struct e1000_hw *hw); 655 extern s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw); 656 extern s32 e1000_get_cable_length_82577(struct e1000_hw *hw); 657 658 extern s32 e1000_check_polarity_m88(struct e1000_hw *hw); 659 extern s32 e1000_get_phy_info_ife(struct e1000_hw *hw); 660 extern s32 e1000_check_polarity_ife(struct e1000_hw *hw); 661 extern s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw); 662 extern s32 e1000_check_polarity_igp(struct e1000_hw *hw); 663 extern bool e1000_check_phy_82574(struct e1000_hw *hw); 664 665 static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw) 666 { 667 return hw->phy.ops.reset(hw); 668 } 669 670 static inline s32 e1e_rphy(struct e1000_hw *hw, u32 offset, u16 *data) 671 { 672 return hw->phy.ops.read_reg(hw, offset, data); 673 } 674 675 static inline s32 e1e_rphy_locked(struct e1000_hw *hw, u32 offset, u16 *data) 676 { 677 return hw->phy.ops.read_reg_locked(hw, offset, data); 678 } 679 680 static inline s32 e1e_wphy(struct e1000_hw *hw, u32 offset, u16 data) 681 { 682 return hw->phy.ops.write_reg(hw, offset, data); 683 } 684 685 static inline s32 e1e_wphy_locked(struct e1000_hw *hw, u32 offset, u16 data) 686 { 687 return hw->phy.ops.write_reg_locked(hw, offset, data); 688 } 689 690 static inline s32 e1000_get_cable_length(struct e1000_hw *hw) 691 { 692 return hw->phy.ops.get_cable_length(hw); 693 } 694 695 extern s32 e1000e_acquire_nvm(struct e1000_hw *hw); 696 extern s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data); 697 extern s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw); 698 extern s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg); 699 extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data); 700 extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw); 701 extern void e1000e_release_nvm(struct e1000_hw *hw); 702 extern void e1000e_reload_nvm_generic(struct e1000_hw *hw); 703 extern s32 e1000_read_mac_addr_generic(struct e1000_hw *hw); 704 705 static inline s32 e1000e_read_mac_addr(struct e1000_hw *hw) 706 { 707 if (hw->mac.ops.read_mac_addr) 708 return hw->mac.ops.read_mac_addr(hw); 709 710 return e1000_read_mac_addr_generic(hw); 711 } 712 713 static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw) 714 { 715 return hw->nvm.ops.validate(hw); 716 } 717 718 static inline s32 e1000e_update_nvm_checksum(struct e1000_hw *hw) 719 { 720 return hw->nvm.ops.update(hw); 721 } 722 723 static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 724 { 725 return hw->nvm.ops.read(hw, offset, words, data); 726 } 727 728 static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data) 729 { 730 return hw->nvm.ops.write(hw, offset, words, data); 731 } 732 733 static inline s32 e1000_get_phy_info(struct e1000_hw *hw) 734 { 735 return hw->phy.ops.get_info(hw); 736 } 737 738 extern bool e1000e_check_mng_mode_generic(struct e1000_hw *hw); 739 extern bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw); 740 extern s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length); 741 742 static inline u32 __er32(struct e1000_hw *hw, unsigned long reg) 743 { 744 return readl(hw->hw_addr + reg); 745 } 746 747 #define er32(reg) __er32(hw, E1000_##reg) 748 749 /** 750 * __ew32_prepare - prepare to write to MAC CSR register on certain parts 751 * @hw: pointer to the HW structure 752 * 753 * When updating the MAC CSR registers, the Manageability Engine (ME) could 754 * be accessing the registers at the same time. Normally, this is handled in 755 * h/w by an arbiter but on some parts there is a bug that acknowledges Host 756 * accesses later than it should which could result in the register to have 757 * an incorrect value. Workaround this by checking the FWSM register which 758 * has bit 24 set while ME is accessing MAC CSR registers, wait if it is set 759 * and try again a number of times. 760 **/ 761 static inline s32 __ew32_prepare(struct e1000_hw *hw) 762 { 763 s32 i = E1000_ICH_FWSM_PCIM2PCI_COUNT; 764 765 while ((er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI) && --i) 766 udelay(50); 767 768 return i; 769 } 770 771 static inline void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val) 772 { 773 if (hw->adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA) 774 __ew32_prepare(hw); 775 776 writel(val, hw->hw_addr + reg); 777 } 778 779 #define ew32(reg, val) __ew32(hw, E1000_##reg, (val)) 780 781 #define e1e_flush() er32(STATUS) 782 783 #define E1000_WRITE_REG_ARRAY(a, reg, offset, value) \ 784 (__ew32((a), (reg + ((offset) << 2)), (value))) 785 786 #define E1000_READ_REG_ARRAY(a, reg, offset) \ 787 (readl((a)->hw_addr + reg + ((offset) << 2))) 788 789 #endif /* _E1000_H_ */ 790