1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2008 Intel Corporation.
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.
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
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.
19 The full GNU General Public License is included in this distribution in
20 the file called "COPYING".
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
27 *******************************************************************************/
29 /* Linux PRO/1000 Ethernet Driver main header file */
34 #include <linux/types.h>
35 #include <linux/timer.h>
36 #include <linux/workqueue.h>
38 #include <linux/netdevice.h>
44 #define ndev_printk(level, netdev, format, arg...) \
45 printk(level "%s: " format, (netdev)->name, ## arg)
48 #define ndev_dbg(netdev, format, arg...) \
49 ndev_printk(KERN_DEBUG , netdev, format, ## arg)
51 #define ndev_dbg(netdev, format, arg...) do { (void)(netdev); } while (0)
54 #define ndev_err(netdev, format, arg...) \
55 ndev_printk(KERN_ERR , netdev, format, ## arg)
56 #define ndev_info(netdev, format, arg...) \
57 ndev_printk(KERN_INFO , netdev, format, ## arg)
58 #define ndev_warn(netdev, format, arg...) \
59 ndev_printk(KERN_WARNING , netdev, format, ## arg)
60 #define ndev_notice(netdev, format, arg...) \
61 ndev_printk(KERN_NOTICE , netdev, format, ## arg)
64 /* Tx/Rx descriptor defines */
65 #define E1000_DEFAULT_TXD 256
66 #define E1000_MAX_TXD 4096
67 #define E1000_MIN_TXD 80
69 #define E1000_DEFAULT_RXD 256
70 #define E1000_MAX_RXD 4096
71 #define E1000_MIN_RXD 80
73 /* Early Receive defines */
74 #define E1000_ERT_2048 0x100
76 #define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */
78 /* How many Tx Descriptors do we need to call netif_wake_queue ? */
79 /* How many Rx Buffers do we bundle into one write to the hardware ? */
80 #define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
82 #define AUTO_ALL_MODES 0
83 #define E1000_EEPROM_APME 0x0400
85 #define E1000_MNG_VLAN_NONE (-1)
87 /* Number of packet split data buffers (not including the header buffer) */
88 #define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1)
99 struct e1000_queue_stats {
104 struct e1000_ps_page {
106 u64 dma; /* must be u64 - written to hw */
110 * wrappers around a pointer to a socket buffer,
111 * so a DMA handle can be stored along with the buffer
113 struct e1000_buffer {
119 unsigned long time_stamp;
124 /* arrays of page information for packet split */
125 struct e1000_ps_page *ps_pages;
131 void *desc; /* pointer to ring memory */
132 dma_addr_t dma; /* phys address of ring */
133 unsigned int size; /* length of ring in bytes */
134 unsigned int count; /* number of desc. in ring */
142 /* array of buffer information structs */
143 struct e1000_buffer *buffer_info;
145 struct sk_buff *rx_skb_top;
147 struct e1000_queue_stats stats;
150 /* PHY register snapshot values */
151 struct e1000_phy_regs {
152 u16 bmcr; /* basic mode control register */
153 u16 bmsr; /* basic mode status register */
154 u16 advertise; /* auto-negotiation advertisement */
155 u16 lpa; /* link partner ability register */
156 u16 expansion; /* auto-negotiation expansion reg */
157 u16 ctrl1000; /* 1000BASE-T control register */
158 u16 stat1000; /* 1000BASE-T status register */
159 u16 estatus; /* extended status register */
162 /* board specific private data structure */
163 struct e1000_adapter {
164 struct timer_list watchdog_timer;
165 struct timer_list phy_info_timer;
166 struct timer_list blink_timer;
168 struct work_struct reset_task;
169 struct work_struct watchdog_task;
171 const struct e1000_info *ei;
173 struct vlan_group *vlgrp;
180 spinlock_t tx_queue_lock; /* prevent concurrent tail updates */
182 /* track device up/down/testing state */
185 /* Interrupt Throttle Rate */
194 struct e1000_ring *tx_ring /* One per active queue */
195 ____cacheline_aligned_in_smp;
197 struct napi_struct napi;
199 unsigned long tx_queue_len;
200 unsigned int restart_queue;
204 u8 tx_timeout_factor;
207 u32 tx_abs_int_delay;
209 unsigned int total_tx_bytes;
210 unsigned int total_tx_packets;
211 unsigned int total_rx_bytes;
212 unsigned int total_rx_packets;
219 u32 tx_timeout_count;
228 bool (*clean_rx) (struct e1000_adapter *adapter,
229 int *work_done, int work_to_do)
230 ____cacheline_aligned_in_smp;
231 void (*alloc_rx_buf) (struct e1000_adapter *adapter,
233 struct e1000_ring *rx_ring;
236 u32 rx_abs_int_delay;
244 u32 alloc_rx_buff_failed;
247 unsigned int rx_ps_pages;
252 /* OS defined structs */
253 struct net_device *netdev;
254 struct pci_dev *pdev;
255 struct net_device_stats net_stats;
256 spinlock_t stats_lock; /* prevent concurrent stats updates */
258 /* structs defined in e1000_hw.h */
261 struct e1000_hw_stats stats;
262 struct e1000_phy_info phy_info;
263 struct e1000_phy_stats phy_stats;
265 /* Snapshot of PHY registers */
266 struct e1000_phy_regs phy_regs;
268 struct e1000_ring test_tx_ring;
269 struct e1000_ring test_rx_ring;
280 unsigned long led_status;
286 enum e1000_mac_type mac;
289 s32 (*get_variants)(struct e1000_adapter *);
290 struct e1000_mac_operations *mac_ops;
291 struct e1000_phy_operations *phy_ops;
292 struct e1000_nvm_operations *nvm_ops;
295 /* hardware capability, feature, and workaround flags */
296 #define FLAG_HAS_AMT (1 << 0)
297 #define FLAG_HAS_FLASH (1 << 1)
298 #define FLAG_HAS_HW_VLAN_FILTER (1 << 2)
299 #define FLAG_HAS_WOL (1 << 3)
300 #define FLAG_HAS_ERT (1 << 4)
301 #define FLAG_HAS_CTRLEXT_ON_LOAD (1 << 5)
302 #define FLAG_HAS_SWSM_ON_LOAD (1 << 6)
303 #define FLAG_HAS_JUMBO_FRAMES (1 << 7)
304 #define FLAG_HAS_SMART_POWER_DOWN (1 << 11)
305 #define FLAG_IS_QUAD_PORT_A (1 << 12)
306 #define FLAG_IS_QUAD_PORT (1 << 13)
307 #define FLAG_TIPG_MEDIUM_FOR_80003ESLAN (1 << 14)
308 #define FLAG_APME_IN_WUC (1 << 15)
309 #define FLAG_APME_IN_CTRL3 (1 << 16)
310 #define FLAG_APME_CHECK_PORT_B (1 << 17)
311 #define FLAG_DISABLE_FC_PAUSE_TIME (1 << 18)
312 #define FLAG_NO_WAKE_UCAST (1 << 19)
313 #define FLAG_MNG_PT_ENABLED (1 << 20)
314 #define FLAG_RESET_OVERWRITES_LAA (1 << 21)
315 #define FLAG_TARC_SPEED_MODE_BIT (1 << 22)
316 #define FLAG_TARC_SET_BIT_ZERO (1 << 23)
317 #define FLAG_RX_NEEDS_RESTART (1 << 24)
318 #define FLAG_LSC_GIG_SPEED_DROP (1 << 25)
319 #define FLAG_SMART_POWER_DOWN (1 << 26)
320 #define FLAG_MSI_ENABLED (1 << 27)
321 #define FLAG_RX_CSUM_ENABLED (1 << 28)
322 #define FLAG_TSO_FORCE (1 << 29)
323 #define FLAG_RX_RESTART_NOW (1 << 30)
325 #define E1000_RX_DESC_PS(R, i) \
326 (&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
327 #define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
328 #define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
329 #define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
330 #define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
342 latency_invalid = 255
345 extern char e1000e_driver_name[];
346 extern const char e1000e_driver_version[];
348 extern void e1000e_check_options(struct e1000_adapter *adapter);
349 extern void e1000e_set_ethtool_ops(struct net_device *netdev);
351 extern int e1000e_up(struct e1000_adapter *adapter);
352 extern void e1000e_down(struct e1000_adapter *adapter);
353 extern void e1000e_reinit_locked(struct e1000_adapter *adapter);
354 extern void e1000e_reset(struct e1000_adapter *adapter);
355 extern void e1000e_power_up_phy(struct e1000_adapter *adapter);
356 extern int e1000e_setup_rx_resources(struct e1000_adapter *adapter);
357 extern int e1000e_setup_tx_resources(struct e1000_adapter *adapter);
358 extern void e1000e_free_rx_resources(struct e1000_adapter *adapter);
359 extern void e1000e_free_tx_resources(struct e1000_adapter *adapter);
360 extern void e1000e_update_stats(struct e1000_adapter *adapter);
362 extern unsigned int copybreak;
364 extern char *e1000e_get_hw_dev_name(struct e1000_hw *hw);
366 extern struct e1000_info e1000_82571_info;
367 extern struct e1000_info e1000_82572_info;
368 extern struct e1000_info e1000_82573_info;
369 extern struct e1000_info e1000_ich8_info;
370 extern struct e1000_info e1000_ich9_info;
371 extern struct e1000_info e1000_es2_info;
373 extern s32 e1000e_read_pba_num(struct e1000_hw *hw, u32 *pba_num);
375 extern s32 e1000e_commit_phy(struct e1000_hw *hw);
377 extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw);
379 extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw);
380 extern void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state);
382 extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
384 extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
385 extern void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
387 extern s32 e1000e_check_for_copper_link(struct e1000_hw *hw);
388 extern s32 e1000e_check_for_fiber_link(struct e1000_hw *hw);
389 extern s32 e1000e_check_for_serdes_link(struct e1000_hw *hw);
390 extern s32 e1000e_cleanup_led_generic(struct e1000_hw *hw);
391 extern s32 e1000e_led_on_generic(struct e1000_hw *hw);
392 extern s32 e1000e_led_off_generic(struct e1000_hw *hw);
393 extern s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw);
394 extern s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex);
395 extern s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed, u16 *duplex);
396 extern s32 e1000e_disable_pcie_master(struct e1000_hw *hw);
397 extern s32 e1000e_get_auto_rd_done(struct e1000_hw *hw);
398 extern s32 e1000e_id_led_init(struct e1000_hw *hw);
399 extern void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw);
400 extern s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw);
401 extern s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw);
402 extern s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw);
403 extern s32 e1000e_setup_link(struct e1000_hw *hw);
404 extern void e1000e_clear_vfta(struct e1000_hw *hw);
405 extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
406 extern void e1000e_update_mc_addr_list_generic(struct e1000_hw *hw,
411 extern void e1000e_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
412 extern s32 e1000e_set_fc_watermarks(struct e1000_hw *hw);
413 extern void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop);
414 extern s32 e1000e_get_hw_semaphore(struct e1000_hw *hw);
415 extern s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data);
416 extern void e1000e_config_collision_dist(struct e1000_hw *hw);
417 extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw);
418 extern s32 e1000e_force_mac_fc(struct e1000_hw *hw);
419 extern s32 e1000e_blink_led(struct e1000_hw *hw);
420 extern void e1000e_write_vfta(struct e1000_hw *hw, u32 offset, u32 value);
421 extern void e1000e_reset_adaptive(struct e1000_hw *hw);
422 extern void e1000e_update_adaptive(struct e1000_hw *hw);
424 extern s32 e1000e_setup_copper_link(struct e1000_hw *hw);
425 extern s32 e1000e_get_phy_id(struct e1000_hw *hw);
426 extern void e1000e_put_hw_semaphore(struct e1000_hw *hw);
427 extern s32 e1000e_check_reset_block_generic(struct e1000_hw *hw);
428 extern s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw);
429 extern s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw);
430 extern s32 e1000e_get_phy_info_igp(struct e1000_hw *hw);
431 extern s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
432 extern s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw);
433 extern s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active);
434 extern s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
435 extern s32 e1000e_phy_sw_reset(struct e1000_hw *hw);
436 extern s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw);
437 extern s32 e1000e_get_cfg_done(struct e1000_hw *hw);
438 extern s32 e1000e_get_cable_length_m88(struct e1000_hw *hw);
439 extern s32 e1000e_get_phy_info_m88(struct e1000_hw *hw);
440 extern s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data);
441 extern s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data);
442 extern enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id);
443 extern void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl);
444 extern s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data);
445 extern s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data);
446 extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
447 u32 usec_interval, bool *success);
448 extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw);
449 extern s32 e1000e_check_downshift(struct e1000_hw *hw);
451 static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
453 return hw->phy.ops.reset_phy(hw);
456 static inline s32 e1000_check_reset_block(struct e1000_hw *hw)
458 return hw->phy.ops.check_reset_block(hw);
461 static inline s32 e1e_rphy(struct e1000_hw *hw, u32 offset, u16 *data)
463 return hw->phy.ops.read_phy_reg(hw, offset, data);
466 static inline s32 e1e_wphy(struct e1000_hw *hw, u32 offset, u16 data)
468 return hw->phy.ops.write_phy_reg(hw, offset, data);
471 static inline s32 e1000_get_cable_length(struct e1000_hw *hw)
473 return hw->phy.ops.get_cable_length(hw);
476 extern s32 e1000e_acquire_nvm(struct e1000_hw *hw);
477 extern s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
478 extern s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw);
479 extern s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg);
480 extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
481 extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw);
482 extern void e1000e_release_nvm(struct e1000_hw *hw);
483 extern void e1000e_reload_nvm(struct e1000_hw *hw);
484 extern s32 e1000e_read_mac_addr(struct e1000_hw *hw);
486 static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
488 return hw->nvm.ops.validate_nvm(hw);
491 static inline s32 e1000e_update_nvm_checksum(struct e1000_hw *hw)
493 return hw->nvm.ops.update_nvm(hw);
496 static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
498 return hw->nvm.ops.read_nvm(hw, offset, words, data);
501 static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
503 return hw->nvm.ops.write_nvm(hw, offset, words, data);
506 static inline s32 e1000_get_phy_info(struct e1000_hw *hw)
508 return hw->phy.ops.get_phy_info(hw);
511 extern bool e1000e_check_mng_mode(struct e1000_hw *hw);
512 extern bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw);
513 extern s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length);
515 static inline u32 __er32(struct e1000_hw *hw, unsigned long reg)
517 return readl(hw->hw_addr + reg);
520 static inline void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val)
522 writel(val, hw->hw_addr + reg);
525 #endif /* _E1000_H_ */