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e1000.h
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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 <[email protected]>
24  e1000-devel Mailing List <[email protected]>
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 /*
165  * Count for polling __E1000_RESET condition every 10-20msec.
166  * Experimentation has shown the reset can take approximately 210msec.
167  */
168 #define E1000_CHECK_RESET_COUNT 25
169 
170 #define DEFAULT_RDTR 0
171 #define DEFAULT_RADV 8
172 #define BURST_RDTR 0x20
173 #define BURST_RADV 0x20
174 
175 /*
176  * in the case of WTHRESH, it appears at least the 82571/2 hardware
177  * writes back 4 descriptors when WTHRESH=5, and 3 descriptors when
178  * WTHRESH=4, so a setting of 5 gives the most efficient bus
179  * utilization but to avoid possible Tx stalls, set it to 1
180  */
181 #define E1000_TXDCTL_DMA_BURST_ENABLE \
182  (E1000_TXDCTL_GRAN | /* set descriptor granularity */ \
183  E1000_TXDCTL_COUNT_DESC | \
184  (1 << 16) | /* wthresh must be +1 more than desired */\
185  (1 << 8) | /* hthresh */ \
186  0x1f) /* pthresh */
187 
188 #define E1000_RXDCTL_DMA_BURST_ENABLE \
189  (0x01000000 | /* set descriptor granularity */ \
190  (4 << 16) | /* set writeback threshold */ \
191  (4 << 8) | /* set prefetch threshold */ \
192  0x20) /* set hthresh */
193 
194 #define E1000_TIDV_FPD (1 << 31)
195 #define E1000_RDTR_FPD (1 << 31)
196 
197 enum e1000_boards {
198  board_82571,
199  board_82572,
200  board_82573,
201  board_82574,
202  board_82583,
203  board_80003es2lan,
204  board_ich8lan,
205  board_ich9lan,
206  board_ich10lan,
207  board_pchlan,
208  board_pch2lan,
209  board_pch_lpt,
210 };
211 
212 struct e1000_ps_page {
213  struct page *page;
214  u64 dma; /* must be u64 - written to hw */
215 };
216 
217 /*
218  * wrappers around a pointer to a socket buffer,
219  * so a DMA handle can be stored along with the buffer
220  */
221 struct e1000_buffer {
222  dma_addr_t dma;
223  struct sk_buff *skb;
224  union {
225  /* Tx */
226  struct {
227  unsigned long time_stamp;
228  u16 length;
229  u16 next_to_watch;
230  unsigned int segs;
231  unsigned int bytecount;
232  u16 mapped_as_page;
233  };
234  /* Rx */
235  struct {
236  /* arrays of page information for packet split */
237  struct e1000_ps_page *ps_pages;
238  struct page *page;
239  };
240  };
241 };
242 
243 struct e1000_ring {
244  struct e1000_adapter *adapter; /* back pointer to adapter */
245  void *desc; /* pointer to ring memory */
246  dma_addr_t dma; /* phys address of ring */
247  unsigned int size; /* length of ring in bytes */
248  unsigned int count; /* number of desc. in ring */
249 
250  u16 next_to_use;
251  u16 next_to_clean;
252 
253  void __iomem *head;
254  void __iomem *tail;
255 
256  /* array of buffer information structs */
257  struct e1000_buffer *buffer_info;
258 
259  char name[IFNAMSIZ + 5];
260  u32 ims_val;
261  u32 itr_val;
262  void __iomem *itr_register;
263  int set_itr;
264 
265  struct sk_buff *rx_skb_top;
266 };
267 
268 /* PHY register snapshot values */
269 struct e1000_phy_regs {
270  u16 bmcr; /* basic mode control register */
271  u16 bmsr; /* basic mode status register */
272  u16 advertise; /* auto-negotiation advertisement */
273  u16 lpa; /* link partner ability register */
274  u16 expansion; /* auto-negotiation expansion reg */
275  u16 ctrl1000; /* 1000BASE-T control register */
276  u16 stat1000; /* 1000BASE-T status register */
277  u16 estatus; /* extended status register */
278 };
279 
280 /* board specific private data structure */
281 struct e1000_adapter {
282  struct timer_list watchdog_timer;
283  struct timer_list phy_info_timer;
284  struct timer_list blink_timer;
285 
286  struct work_struct reset_task;
287  struct work_struct watchdog_task;
288 
289  const struct e1000_info *ei;
290 
291  unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
292  u32 bd_number;
293  u32 rx_buffer_len;
294  u16 mng_vlan_id;
295  u16 link_speed;
296  u16 link_duplex;
297  u16 eeprom_vers;
298 
299  /* track device up/down/testing state */
300  unsigned long state;
301 
302  /* Interrupt Throttle Rate */
303  u32 itr;
304  u32 itr_setting;
305  u16 tx_itr;
306  u16 rx_itr;
307 
308  /*
309  * Tx
310  */
311  struct e1000_ring *tx_ring /* One per active queue */
312  ____cacheline_aligned_in_smp;
313  u32 tx_fifo_limit;
314 
315  struct napi_struct napi;
316 
317  unsigned int restart_queue;
318  u32 txd_cmd;
319 
320  bool detect_tx_hung;
321  bool tx_hang_recheck;
322  u8 tx_timeout_factor;
323 
324  u32 tx_int_delay;
325  u32 tx_abs_int_delay;
326 
327  unsigned int total_tx_bytes;
328  unsigned int total_tx_packets;
329  unsigned int total_rx_bytes;
330  unsigned int total_rx_packets;
331 
332  /* Tx stats */
333  u64 tpt_old;
334  u64 colc_old;
335  u32 gotc;
336  u64 gotc_old;
337  u32 tx_timeout_count;
338  u32 tx_fifo_head;
339  u32 tx_head_addr;
340  u32 tx_fifo_size;
341  u32 tx_dma_failed;
342 
343  /*
344  * Rx
345  */
346  bool (*clean_rx) (struct e1000_ring *ring, int *work_done,
347  int work_to_do) ____cacheline_aligned_in_smp;
348  void (*alloc_rx_buf) (struct e1000_ring *ring, int cleaned_count,
349  gfp_t gfp);
350  struct e1000_ring *rx_ring;
351 
352  u32 rx_int_delay;
353  u32 rx_abs_int_delay;
354 
355  /* Rx stats */
356  u64 hw_csum_err;
357  u64 hw_csum_good;
358  u64 rx_hdr_split;
359  u32 gorc;
360  u64 gorc_old;
361  u32 alloc_rx_buff_failed;
362  u32 rx_dma_failed;
363 
364  unsigned int rx_ps_pages;
365  u16 rx_ps_bsize0;
366  u32 max_frame_size;
367  u32 min_frame_size;
368 
369  /* OS defined structs */
370  struct net_device *netdev;
371  struct pci_dev *pdev;
372 
373  /* structs defined in e1000_hw.h */
374  struct e1000_hw hw;
375 
376  spinlock_t stats64_lock;
377  struct e1000_hw_stats stats;
378  struct e1000_phy_info phy_info;
379  struct e1000_phy_stats phy_stats;
380 
381  /* Snapshot of PHY registers */
382  struct e1000_phy_regs phy_regs;
383 
384  struct e1000_ring test_tx_ring;
385  struct e1000_ring test_rx_ring;
386  u32 test_icr;
387 
388  u32 msg_enable;
389  unsigned int num_vectors;
390  struct msix_entry *msix_entries;
391  int int_mode;
392  u32 eiac_mask;
393 
394  u32 eeprom_wol;
395  u32 wol;
396  u32 pba;
397  u32 max_hw_frame_size;
398 
399  bool fc_autoneg;
400 
401  unsigned int flags;
402  unsigned int flags2;
403  struct work_struct downshift_task;
404  struct work_struct update_phy_task;
405  struct work_struct print_hang_task;
406 
407  bool idle_check;
408  int phy_hang_count;
409 
410  u16 tx_ring_count;
411  u16 rx_ring_count;
412 };
413 
414 struct e1000_info {
415  enum e1000_mac_type mac;
416  unsigned int flags;
417  unsigned int flags2;
418  u32 pba;
419  u32 max_hw_frame_size;
420  s32 (*get_variants)(struct e1000_adapter *);
421  const struct e1000_mac_operations *mac_ops;
422  const struct e1000_phy_operations *phy_ops;
423  const struct e1000_nvm_operations *nvm_ops;
424 };
425 
426 /* hardware capability, feature, and workaround flags */
427 #define FLAG_HAS_AMT (1 << 0)
428 #define FLAG_HAS_FLASH (1 << 1)
429 #define FLAG_HAS_HW_VLAN_FILTER (1 << 2)
430 #define FLAG_HAS_WOL (1 << 3)
431 /* reserved bit4 */
432 #define FLAG_HAS_CTRLEXT_ON_LOAD (1 << 5)
433 #define FLAG_HAS_SWSM_ON_LOAD (1 << 6)
434 #define FLAG_HAS_JUMBO_FRAMES (1 << 7)
435 #define FLAG_READ_ONLY_NVM (1 << 8)
436 #define FLAG_IS_ICH (1 << 9)
437 #define FLAG_HAS_MSIX (1 << 10)
438 #define FLAG_HAS_SMART_POWER_DOWN (1 << 11)
439 #define FLAG_IS_QUAD_PORT_A (1 << 12)
440 #define FLAG_IS_QUAD_PORT (1 << 13)
441 /* reserved bit14 */
442 #define FLAG_APME_IN_WUC (1 << 15)
443 #define FLAG_APME_IN_CTRL3 (1 << 16)
444 #define FLAG_APME_CHECK_PORT_B (1 << 17)
445 #define FLAG_DISABLE_FC_PAUSE_TIME (1 << 18)
446 #define FLAG_NO_WAKE_UCAST (1 << 19)
447 #define FLAG_MNG_PT_ENABLED (1 << 20)
448 #define FLAG_RESET_OVERWRITES_LAA (1 << 21)
449 #define FLAG_TARC_SPEED_MODE_BIT (1 << 22)
450 #define FLAG_TARC_SET_BIT_ZERO (1 << 23)
451 #define FLAG_RX_NEEDS_RESTART (1 << 24)
452 #define FLAG_LSC_GIG_SPEED_DROP (1 << 25)
453 #define FLAG_SMART_POWER_DOWN (1 << 26)
454 #define FLAG_MSI_ENABLED (1 << 27)
455 /* reserved (1 << 28) */
456 #define FLAG_TSO_FORCE (1 << 29)
457 #define FLAG_RX_RESTART_NOW (1 << 30)
458 #define FLAG_MSI_TEST_FAILED (1 << 31)
459 
460 #define FLAG2_CRC_STRIPPING (1 << 0)
461 #define FLAG2_HAS_PHY_WAKEUP (1 << 1)
462 #define FLAG2_IS_DISCARDING (1 << 2)
463 #define FLAG2_DISABLE_ASPM_L1 (1 << 3)
464 #define FLAG2_HAS_PHY_STATS (1 << 4)
465 #define FLAG2_HAS_EEE (1 << 5)
466 #define FLAG2_DMA_BURST (1 << 6)
467 #define FLAG2_DISABLE_ASPM_L0S (1 << 7)
468 #define FLAG2_DISABLE_AIM (1 << 8)
469 #define FLAG2_CHECK_PHY_HANG (1 << 9)
470 #define FLAG2_NO_DISABLE_RX (1 << 10)
471 #define FLAG2_PCIM2PCI_ARBITER_WA (1 << 11)
472 #define FLAG2_DFLT_CRC_STRIPPING (1 << 12)
473 
474 #define E1000_RX_DESC_PS(R, i) \
475  (&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
476 #define E1000_RX_DESC_EXT(R, i) \
477  (&(((union e1000_rx_desc_extended *)((R).desc))[i]))
478 #define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
479 #define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
480 #define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
481 
482 enum e1000_state_t {
483  __E1000_TESTING,
484  __E1000_RESETTING,
485  __E1000_ACCESS_SHARED_RESOURCE,
486  __E1000_DOWN
487 };
488 
489 enum latency_range {
490  lowest_latency = 0,
491  low_latency = 1,
492  bulk_latency = 2,
493  latency_invalid = 255
494 };
495 
496 extern char e1000e_driver_name[];
497 extern const char e1000e_driver_version[];
498 
499 extern void e1000e_check_options(struct e1000_adapter *adapter);
500 extern void e1000e_set_ethtool_ops(struct net_device *netdev);
501 
502 extern int e1000e_up(struct e1000_adapter *adapter);
503 extern void e1000e_down(struct e1000_adapter *adapter);
504 extern void e1000e_reinit_locked(struct e1000_adapter *adapter);
505 extern void e1000e_reset(struct e1000_adapter *adapter);
506 extern void e1000e_power_up_phy(struct e1000_adapter *adapter);
507 extern int e1000e_setup_rx_resources(struct e1000_ring *ring);
508 extern int e1000e_setup_tx_resources(struct e1000_ring *ring);
509 extern void e1000e_free_rx_resources(struct e1000_ring *ring);
510 extern void e1000e_free_tx_resources(struct e1000_ring *ring);
511 extern struct rtnl_link_stats64 *e1000e_get_stats64(struct net_device *netdev,
512  struct rtnl_link_stats64
513  *stats);
514 extern void e1000e_set_interrupt_capability(struct e1000_adapter *adapter);
515 extern void e1000e_reset_interrupt_capability(struct e1000_adapter *adapter);
516 extern void e1000e_get_hw_control(struct e1000_adapter *adapter);
517 extern void e1000e_release_hw_control(struct e1000_adapter *adapter);
518 extern void e1000e_write_itr(struct e1000_adapter *adapter, u32 itr);
519 
520 extern unsigned int copybreak;
521 
522 extern char *e1000e_get_hw_dev_name(struct e1000_hw *hw);
523 
524 extern const struct e1000_info e1000_82571_info;
525 extern const struct e1000_info e1000_82572_info;
526 extern const struct e1000_info e1000_82573_info;
527 extern const struct e1000_info e1000_82574_info;
528 extern const struct e1000_info e1000_82583_info;
529 extern const struct e1000_info e1000_ich8_info;
530 extern const struct e1000_info e1000_ich9_info;
531 extern const struct e1000_info e1000_ich10_info;
532 extern const struct e1000_info e1000_pch_info;
533 extern const struct e1000_info e1000_pch2_info;
534 extern const struct e1000_info e1000_pch_lpt_info;
535 extern const struct e1000_info e1000_es2_info;
536 
537 extern s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num,
538  u32 pba_num_size);
539 
540 extern s32 e1000e_commit_phy(struct e1000_hw *hw);
541 
542 extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw);
543 
544 extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw);
545 extern void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state);
546 
547 extern void e1000e_write_protect_nvm_ich8lan(struct e1000_hw *hw);
548 extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
549  bool state);
550 extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
551 extern void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
552 extern void e1000_suspend_workarounds_ich8lan(struct e1000_hw *hw);
553 extern void e1000_resume_workarounds_pchlan(struct e1000_hw *hw);
554 extern s32 e1000_configure_k1_ich8lan(struct e1000_hw *hw, bool k1_enable);
555 extern s32 e1000_lv_jumbo_workaround_ich8lan(struct e1000_hw *hw, bool enable);
556 extern void e1000_copy_rx_addrs_to_phy_ich8lan(struct e1000_hw *hw);
557 
558 extern s32 e1000e_check_for_copper_link(struct e1000_hw *hw);
559 extern s32 e1000e_check_for_fiber_link(struct e1000_hw *hw);
560 extern s32 e1000e_check_for_serdes_link(struct e1000_hw *hw);
561 extern s32 e1000e_setup_led_generic(struct e1000_hw *hw);
562 extern s32 e1000e_cleanup_led_generic(struct e1000_hw *hw);
563 extern s32 e1000e_led_on_generic(struct e1000_hw *hw);
564 extern s32 e1000e_led_off_generic(struct e1000_hw *hw);
565 extern s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw);
566 extern void e1000_set_lan_id_multi_port_pcie(struct e1000_hw *hw);
567 extern void e1000_set_lan_id_single_port(struct e1000_hw *hw);
568 extern s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex);
569 extern s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed, u16 *duplex);
570 extern s32 e1000e_disable_pcie_master(struct e1000_hw *hw);
571 extern s32 e1000e_get_auto_rd_done(struct e1000_hw *hw);
572 extern s32 e1000e_id_led_init_generic(struct e1000_hw *hw);
573 extern void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw);
574 extern s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw);
575 extern s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw);
576 extern s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw);
577 extern s32 e1000e_setup_link_generic(struct e1000_hw *hw);
578 extern void e1000_clear_vfta_generic(struct e1000_hw *hw);
579 extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
580 extern void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
581  u8 *mc_addr_list,
582  u32 mc_addr_count);
583 extern void e1000e_rar_set_generic(struct e1000_hw *hw, u8 *addr, u32 index);
584 extern s32 e1000e_set_fc_watermarks(struct e1000_hw *hw);
585 extern void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop);
586 extern s32 e1000e_get_hw_semaphore(struct e1000_hw *hw);
587 extern s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data);
588 extern void e1000e_config_collision_dist_generic(struct e1000_hw *hw);
589 extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw);
590 extern s32 e1000e_force_mac_fc(struct e1000_hw *hw);
591 extern s32 e1000e_blink_led_generic(struct e1000_hw *hw);
592 extern void e1000_write_vfta_generic(struct e1000_hw *hw, u32 offset, u32 value);
593 extern s32 e1000_check_alt_mac_addr_generic(struct e1000_hw *hw);
594 extern void e1000e_reset_adaptive(struct e1000_hw *hw);
595 extern void e1000e_update_adaptive(struct e1000_hw *hw);
596 
597 extern s32 e1000e_setup_copper_link(struct e1000_hw *hw);
598 extern s32 e1000e_get_phy_id(struct e1000_hw *hw);
599 extern void e1000e_put_hw_semaphore(struct e1000_hw *hw);
600 extern s32 e1000e_check_reset_block_generic(struct e1000_hw *hw);
601 extern s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw);
602 extern s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw);
603 extern s32 e1000e_get_phy_info_igp(struct e1000_hw *hw);
604 extern s32 e1000_set_page_igp(struct e1000_hw *hw, u16 page);
605 extern s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
606 extern s32 e1000e_read_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset,
607  u16 *data);
608 extern s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw);
609 extern s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active);
610 extern s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
611 extern s32 e1000e_write_phy_reg_igp_locked(struct e1000_hw *hw, u32 offset,
612  u16 data);
613 extern s32 e1000e_phy_sw_reset(struct e1000_hw *hw);
614 extern s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw);
615 extern s32 e1000e_get_cfg_done(struct e1000_hw *hw);
616 extern s32 e1000e_get_cable_length_m88(struct e1000_hw *hw);
617 extern s32 e1000e_get_phy_info_m88(struct e1000_hw *hw);
618 extern s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data);
619 extern s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data);
620 extern s32 e1000e_phy_init_script_igp3(struct e1000_hw *hw);
621 extern enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id);
622 extern s32 e1000e_determine_phy_address(struct e1000_hw *hw);
623 extern s32 e1000e_write_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 data);
624 extern s32 e1000e_read_phy_reg_bm(struct e1000_hw *hw, u32 offset, u16 *data);
625 extern s32 e1000_enable_phy_wakeup_reg_access_bm(struct e1000_hw *hw,
626  u16 *phy_reg);
627 extern s32 e1000_disable_phy_wakeup_reg_access_bm(struct e1000_hw *hw,
628  u16 *phy_reg);
629 extern s32 e1000e_read_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 *data);
630 extern s32 e1000e_write_phy_reg_bm2(struct e1000_hw *hw, u32 offset, u16 data);
631 extern void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl);
632 extern s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data);
633 extern s32 e1000e_write_kmrn_reg_locked(struct e1000_hw *hw, u32 offset,
634  u16 data);
635 extern s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data);
636 extern s32 e1000e_read_kmrn_reg_locked(struct e1000_hw *hw, u32 offset,
637  u16 *data);
638 extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
639  u32 usec_interval, bool *success);
640 extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw);
641 extern void e1000_power_up_phy_copper(struct e1000_hw *hw);
642 extern void e1000_power_down_phy_copper(struct e1000_hw *hw);
643 extern s32 e1000e_read_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 *data);
644 extern s32 e1000e_write_phy_reg_mdic(struct e1000_hw *hw, u32 offset, u16 data);
645 extern s32 e1000e_check_downshift(struct e1000_hw *hw);
646 extern s32 e1000_read_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 *data);
647 extern s32 e1000_read_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset,
648  u16 *data);
649 extern s32 e1000_read_phy_reg_page_hv(struct e1000_hw *hw, u32 offset,
650  u16 *data);
651 extern s32 e1000_write_phy_reg_hv(struct e1000_hw *hw, u32 offset, u16 data);
652 extern s32 e1000_write_phy_reg_hv_locked(struct e1000_hw *hw, u32 offset,
653  u16 data);
654 extern s32 e1000_write_phy_reg_page_hv(struct e1000_hw *hw, u32 offset,
655  u16 data);
656 extern s32 e1000_link_stall_workaround_hv(struct e1000_hw *hw);
657 extern s32 e1000_copper_link_setup_82577(struct e1000_hw *hw);
658 extern s32 e1000_check_polarity_82577(struct e1000_hw *hw);
659 extern s32 e1000_get_phy_info_82577(struct e1000_hw *hw);
660 extern s32 e1000_phy_force_speed_duplex_82577(struct e1000_hw *hw);
661 extern s32 e1000_get_cable_length_82577(struct e1000_hw *hw);
662 
663 extern s32 e1000_check_polarity_m88(struct e1000_hw *hw);
664 extern s32 e1000_get_phy_info_ife(struct e1000_hw *hw);
665 extern s32 e1000_check_polarity_ife(struct e1000_hw *hw);
666 extern s32 e1000_phy_force_speed_duplex_ife(struct e1000_hw *hw);
667 extern s32 e1000_check_polarity_igp(struct e1000_hw *hw);
668 extern bool e1000_check_phy_82574(struct e1000_hw *hw);
669 
670 static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
671 {
672  return hw->phy.ops.reset(hw);
673 }
674 
675 static inline s32 e1e_rphy(struct e1000_hw *hw, u32 offset, u16 *data)
676 {
677  return hw->phy.ops.read_reg(hw, offset, data);
678 }
679 
680 static inline s32 e1e_rphy_locked(struct e1000_hw *hw, u32 offset, u16 *data)
681 {
682  return hw->phy.ops.read_reg_locked(hw, offset, data);
683 }
684 
685 static inline s32 e1e_wphy(struct e1000_hw *hw, u32 offset, u16 data)
686 {
687  return hw->phy.ops.write_reg(hw, offset, data);
688 }
689 
690 static inline s32 e1e_wphy_locked(struct e1000_hw *hw, u32 offset, u16 data)
691 {
692  return hw->phy.ops.write_reg_locked(hw, offset, data);
693 }
694 
695 static inline s32 e1000_get_cable_length(struct e1000_hw *hw)
696 {
697  return hw->phy.ops.get_cable_length(hw);
698 }
699 
700 extern s32 e1000e_acquire_nvm(struct e1000_hw *hw);
701 extern s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
702 extern s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw);
703 extern s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg);
704 extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
705 extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw);
706 extern void e1000e_release_nvm(struct e1000_hw *hw);
707 extern void e1000e_reload_nvm_generic(struct e1000_hw *hw);
708 extern s32 e1000_read_mac_addr_generic(struct e1000_hw *hw);
709 
710 static inline s32 e1000e_read_mac_addr(struct e1000_hw *hw)
711 {
712  if (hw->mac.ops.read_mac_addr)
713  return hw->mac.ops.read_mac_addr(hw);
714 
715  return e1000_read_mac_addr_generic(hw);
716 }
717 
718 static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
719 {
720  return hw->nvm.ops.validate(hw);
721 }
722 
723 static inline s32 e1000e_update_nvm_checksum(struct e1000_hw *hw)
724 {
725  return hw->nvm.ops.update(hw);
726 }
727 
728 static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
729 {
730  return hw->nvm.ops.read(hw, offset, words, data);
731 }
732 
733 static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
734 {
735  return hw->nvm.ops.write(hw, offset, words, data);
736 }
737 
738 static inline s32 e1000_get_phy_info(struct e1000_hw *hw)
739 {
740  return hw->phy.ops.get_info(hw);
741 }
742 
743 extern bool e1000e_check_mng_mode_generic(struct e1000_hw *hw);
744 extern bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw);
745 extern s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length);
746 
747 static inline u32 __er32(struct e1000_hw *hw, unsigned long reg)
748 {
749  return readl(hw->hw_addr + reg);
750 }
751 
752 #define er32(reg) __er32(hw, E1000_##reg)
753 
766 static inline s32 __ew32_prepare(struct e1000_hw *hw)
767 {
768  s32 i = E1000_ICH_FWSM_PCIM2PCI_COUNT;
769 
770  while ((er32(FWSM) & E1000_ICH_FWSM_PCIM2PCI) && --i)
771  udelay(50);
772 
773  return i;
774 }
775 
776 static inline void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val)
777 {
778  if (hw->adapter->flags2 & FLAG2_PCIM2PCI_ARBITER_WA)
779  __ew32_prepare(hw);
780 
781  writel(val, hw->hw_addr + reg);
782 }
783 
784 #define ew32(reg, val) __ew32(hw, E1000_##reg, (val))
785 
786 #define e1e_flush() er32(STATUS)
787 
788 #define E1000_WRITE_REG_ARRAY(a, reg, offset, value) \
789  (__ew32((a), (reg + ((offset) << 2)), (value)))
790 
791 #define E1000_READ_REG_ARRAY(a, reg, offset) \
792  (readl((a)->hw_addr + reg + ((offset) << 2)))
793 
794 #endif /* _E1000_H_ */
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