1 /*******************************************************************************
3 Intel PRO/1000 Linux driver
4 Copyright(c) 1999 - 2007 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: %s: " format, (netdev)->dev.parent->bus_id, \
46 (netdev)->name, ## arg)
49 #define ndev_dbg(netdev, format, arg...) \
50 ndev_printk(KERN_DEBUG , netdev, format, ## arg)
52 #define ndev_dbg(netdev, format, arg...) do { (void)(netdev); } while (0)
55 #define ndev_err(netdev, format, arg...) \
56 ndev_printk(KERN_ERR , netdev, format, ## arg)
57 #define ndev_info(netdev, format, arg...) \
58 ndev_printk(KERN_INFO , netdev, format, ## arg)
59 #define ndev_warn(netdev, format, arg...) \
60 ndev_printk(KERN_WARNING , netdev, format, ## arg)
61 #define ndev_notice(netdev, format, arg...) \
62 ndev_printk(KERN_NOTICE , netdev, format, ## arg)
65 /* TX/RX descriptor defines */
66 #define E1000_DEFAULT_TXD 256
67 #define E1000_MAX_TXD 4096
68 #define E1000_MIN_TXD 80
70 #define E1000_DEFAULT_RXD 256
71 #define E1000_MAX_RXD 4096
72 #define E1000_MIN_RXD 80
74 /* Early Receive defines */
75 #define E1000_ERT_2048 0x100
77 #define E1000_FC_PAUSE_TIME 0x0680 /* 858 usec */
79 /* How many Tx Descriptors do we need to call netif_wake_queue ? */
80 /* How many Rx Buffers do we bundle into one write to the hardware ? */
81 #define E1000_RX_BUFFER_WRITE 16 /* Must be power of 2 */
83 #define AUTO_ALL_MODES 0
84 #define E1000_EEPROM_APME 0x0400
86 #define E1000_MNG_VLAN_NONE (-1)
88 /* Number of packet split data buffers (not including the header buffer) */
89 #define PS_PAGE_BUFFERS (MAX_PS_BUFFERS - 1)
100 struct e1000_queue_stats {
105 struct e1000_ps_page {
107 u64 dma; /* must be u64 - written to hw */
111 * wrappers around a pointer to a socket buffer,
112 * so a DMA handle can be stored along with the buffer
114 struct e1000_buffer {
120 unsigned long time_stamp;
125 /* arrays of page information for packet split */
126 struct e1000_ps_page *ps_pages;
132 void *desc; /* pointer to ring memory */
133 dma_addr_t dma; /* phys address of ring */
134 unsigned int size; /* length of ring in bytes */
135 unsigned int count; /* number of desc. in ring */
143 /* array of buffer information structs */
144 struct e1000_buffer *buffer_info;
146 struct sk_buff *rx_skb_top;
148 struct e1000_queue_stats stats;
151 /* board specific private data structure */
152 struct e1000_adapter {
153 struct timer_list watchdog_timer;
154 struct timer_list phy_info_timer;
155 struct timer_list blink_timer;
157 struct work_struct reset_task;
158 struct work_struct watchdog_task;
160 const struct e1000_info *ei;
162 struct vlan_group *vlgrp;
169 spinlock_t tx_queue_lock; /* prevent concurrent tail updates */
171 /* this is still needed for 82571 and above */
174 /* track device up/down/testing state */
177 /* Interrupt Throttle Rate */
186 struct e1000_ring *tx_ring /* One per active queue */
187 ____cacheline_aligned_in_smp;
189 struct napi_struct napi;
191 unsigned long tx_queue_len;
192 unsigned int restart_queue;
196 u8 tx_timeout_factor;
199 u32 tx_abs_int_delay;
201 unsigned int total_tx_bytes;
202 unsigned int total_tx_packets;
203 unsigned int total_rx_bytes;
204 unsigned int total_rx_packets;
211 u32 tx_timeout_count;
220 bool (*clean_rx) (struct e1000_adapter *adapter,
221 int *work_done, int work_to_do)
222 ____cacheline_aligned_in_smp;
223 void (*alloc_rx_buf) (struct e1000_adapter *adapter,
225 struct e1000_ring *rx_ring;
228 u32 rx_abs_int_delay;
236 u32 alloc_rx_buff_failed;
239 unsigned int rx_ps_pages;
242 /* OS defined structs */
243 struct net_device *netdev;
244 struct pci_dev *pdev;
245 struct net_device_stats net_stats;
246 spinlock_t stats_lock; /* prevent concurrent stats updates */
248 /* structs defined in e1000_hw.h */
251 struct e1000_hw_stats stats;
252 struct e1000_phy_info phy_info;
253 struct e1000_phy_stats phy_stats;
255 struct e1000_ring test_tx_ring;
256 struct e1000_ring test_rx_ring;
267 unsigned long led_status;
273 enum e1000_mac_type mac;
276 s32 (*get_invariants)(struct e1000_adapter *);
277 struct e1000_mac_operations *mac_ops;
278 struct e1000_phy_operations *phy_ops;
279 struct e1000_nvm_operations *nvm_ops;
282 /* hardware capability, feature, and workaround flags */
283 #define FLAG_HAS_AMT (1 << 0)
284 #define FLAG_HAS_FLASH (1 << 1)
285 #define FLAG_HAS_HW_VLAN_FILTER (1 << 2)
286 #define FLAG_HAS_WOL (1 << 3)
287 #define FLAG_HAS_ERT (1 << 4)
288 #define FLAG_HAS_CTRLEXT_ON_LOAD (1 << 5)
289 #define FLAG_HAS_SWSM_ON_LOAD (1 << 6)
290 #define FLAG_HAS_JUMBO_FRAMES (1 << 7)
291 #define FLAG_HAS_ASPM (1 << 8)
292 #define FLAG_HAS_STATS_ICR_ICT (1 << 9)
293 #define FLAG_HAS_STATS_PTC_PRC (1 << 10)
294 #define FLAG_HAS_SMART_POWER_DOWN (1 << 11)
295 #define FLAG_IS_QUAD_PORT_A (1 << 12)
296 #define FLAG_IS_QUAD_PORT (1 << 13)
297 #define FLAG_TIPG_MEDIUM_FOR_80003ESLAN (1 << 14)
298 #define FLAG_APME_IN_WUC (1 << 15)
299 #define FLAG_APME_IN_CTRL3 (1 << 16)
300 #define FLAG_APME_CHECK_PORT_B (1 << 17)
301 #define FLAG_DISABLE_FC_PAUSE_TIME (1 << 18)
302 #define FLAG_NO_WAKE_UCAST (1 << 19)
303 #define FLAG_MNG_PT_ENABLED (1 << 20)
304 #define FLAG_RESET_OVERWRITES_LAA (1 << 21)
305 #define FLAG_TARC_SPEED_MODE_BIT (1 << 22)
306 #define FLAG_TARC_SET_BIT_ZERO (1 << 23)
307 #define FLAG_RX_NEEDS_RESTART (1 << 24)
308 #define FLAG_LSC_GIG_SPEED_DROP (1 << 25)
309 #define FLAG_SMART_POWER_DOWN (1 << 26)
310 #define FLAG_MSI_ENABLED (1 << 27)
311 #define FLAG_RX_CSUM_ENABLED (1 << 28)
312 #define FLAG_TSO_FORCE (1 << 29)
314 #define E1000_RX_DESC_PS(R, i) \
315 (&(((union e1000_rx_desc_packet_split *)((R).desc))[i]))
316 #define E1000_GET_DESC(R, i, type) (&(((struct type *)((R).desc))[i]))
317 #define E1000_RX_DESC(R, i) E1000_GET_DESC(R, i, e1000_rx_desc)
318 #define E1000_TX_DESC(R, i) E1000_GET_DESC(R, i, e1000_tx_desc)
319 #define E1000_CONTEXT_DESC(R, i) E1000_GET_DESC(R, i, e1000_context_desc)
331 latency_invalid = 255
334 extern char e1000e_driver_name[];
335 extern const char e1000e_driver_version[];
337 extern void e1000e_check_options(struct e1000_adapter *adapter);
338 extern void e1000e_set_ethtool_ops(struct net_device *netdev);
340 extern int e1000e_up(struct e1000_adapter *adapter);
341 extern void e1000e_down(struct e1000_adapter *adapter);
342 extern void e1000e_reinit_locked(struct e1000_adapter *adapter);
343 extern void e1000e_reset(struct e1000_adapter *adapter);
344 extern void e1000e_power_up_phy(struct e1000_adapter *adapter);
345 extern int e1000e_setup_rx_resources(struct e1000_adapter *adapter);
346 extern int e1000e_setup_tx_resources(struct e1000_adapter *adapter);
347 extern void e1000e_free_rx_resources(struct e1000_adapter *adapter);
348 extern void e1000e_free_tx_resources(struct e1000_adapter *adapter);
349 extern void e1000e_update_stats(struct e1000_adapter *adapter);
351 extern unsigned int copybreak;
353 extern char *e1000e_get_hw_dev_name(struct e1000_hw *hw);
355 extern struct e1000_info e1000_82571_info;
356 extern struct e1000_info e1000_82572_info;
357 extern struct e1000_info e1000_82573_info;
358 extern struct e1000_info e1000_ich8_info;
359 extern struct e1000_info e1000_ich9_info;
360 extern struct e1000_info e1000_es2_info;
362 extern s32 e1000e_read_part_num(struct e1000_hw *hw, u32 *part_num);
364 extern s32 e1000e_commit_phy(struct e1000_hw *hw);
366 extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw);
368 extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw);
369 extern void e1000e_set_laa_state_82571(struct e1000_hw *hw, bool state);
371 extern void e1000e_set_kmrn_lock_loss_workaround_ich8lan(struct e1000_hw *hw,
373 extern void e1000e_igp3_phy_powerdown_workaround_ich8lan(struct e1000_hw *hw);
374 extern void e1000e_gig_downshift_workaround_ich8lan(struct e1000_hw *hw);
376 extern s32 e1000e_check_for_copper_link(struct e1000_hw *hw);
377 extern s32 e1000e_check_for_fiber_link(struct e1000_hw *hw);
378 extern s32 e1000e_check_for_serdes_link(struct e1000_hw *hw);
379 extern s32 e1000e_cleanup_led_generic(struct e1000_hw *hw);
380 extern s32 e1000e_led_on_generic(struct e1000_hw *hw);
381 extern s32 e1000e_led_off_generic(struct e1000_hw *hw);
382 extern s32 e1000e_get_bus_info_pcie(struct e1000_hw *hw);
383 extern s32 e1000e_get_speed_and_duplex_copper(struct e1000_hw *hw, u16 *speed, u16 *duplex);
384 extern s32 e1000e_get_speed_and_duplex_fiber_serdes(struct e1000_hw *hw, u16 *speed, u16 *duplex);
385 extern s32 e1000e_disable_pcie_master(struct e1000_hw *hw);
386 extern s32 e1000e_get_auto_rd_done(struct e1000_hw *hw);
387 extern s32 e1000e_id_led_init(struct e1000_hw *hw);
388 extern void e1000e_clear_hw_cntrs_base(struct e1000_hw *hw);
389 extern s32 e1000e_setup_fiber_serdes_link(struct e1000_hw *hw);
390 extern s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw);
391 extern s32 e1000e_copper_link_setup_igp(struct e1000_hw *hw);
392 extern s32 e1000e_setup_link(struct e1000_hw *hw);
393 extern void e1000e_clear_vfta(struct e1000_hw *hw);
394 extern void e1000e_init_rx_addrs(struct e1000_hw *hw, u16 rar_count);
395 extern void e1000e_mc_addr_list_update_generic(struct e1000_hw *hw,
396 u8 *mc_addr_list, u32 mc_addr_count,
397 u32 rar_used_count, u32 rar_count);
398 extern void e1000e_rar_set(struct e1000_hw *hw, u8 *addr, u32 index);
399 extern s32 e1000e_set_fc_watermarks(struct e1000_hw *hw);
400 extern void e1000e_set_pcie_no_snoop(struct e1000_hw *hw, u32 no_snoop);
401 extern s32 e1000e_get_hw_semaphore(struct e1000_hw *hw);
402 extern s32 e1000e_valid_led_default(struct e1000_hw *hw, u16 *data);
403 extern void e1000e_config_collision_dist(struct e1000_hw *hw);
404 extern s32 e1000e_config_fc_after_link_up(struct e1000_hw *hw);
405 extern s32 e1000e_force_mac_fc(struct e1000_hw *hw);
406 extern s32 e1000e_blink_led(struct e1000_hw *hw);
407 extern void e1000e_write_vfta(struct e1000_hw *hw, u32 offset, u32 value);
408 extern void e1000e_reset_adaptive(struct e1000_hw *hw);
409 extern void e1000e_update_adaptive(struct e1000_hw *hw);
411 extern s32 e1000e_setup_copper_link(struct e1000_hw *hw);
412 extern s32 e1000e_get_phy_id(struct e1000_hw *hw);
413 extern void e1000e_put_hw_semaphore(struct e1000_hw *hw);
414 extern s32 e1000e_check_reset_block_generic(struct e1000_hw *hw);
415 extern s32 e1000e_phy_force_speed_duplex_igp(struct e1000_hw *hw);
416 extern s32 e1000e_get_cable_length_igp_2(struct e1000_hw *hw);
417 extern s32 e1000e_get_phy_info_igp(struct e1000_hw *hw);
418 extern s32 e1000e_read_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 *data);
419 extern s32 e1000e_phy_hw_reset_generic(struct e1000_hw *hw);
420 extern s32 e1000e_set_d3_lplu_state(struct e1000_hw *hw, bool active);
421 extern s32 e1000e_write_phy_reg_igp(struct e1000_hw *hw, u32 offset, u16 data);
422 extern s32 e1000e_phy_sw_reset(struct e1000_hw *hw);
423 extern s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw);
424 extern s32 e1000e_get_cfg_done(struct e1000_hw *hw);
425 extern s32 e1000e_get_cable_length_m88(struct e1000_hw *hw);
426 extern s32 e1000e_get_phy_info_m88(struct e1000_hw *hw);
427 extern s32 e1000e_read_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 *data);
428 extern s32 e1000e_write_phy_reg_m88(struct e1000_hw *hw, u32 offset, u16 data);
429 extern enum e1000_phy_type e1000e_get_phy_type_from_id(u32 phy_id);
430 extern void e1000e_phy_force_speed_duplex_setup(struct e1000_hw *hw, u16 *phy_ctrl);
431 extern s32 e1000e_write_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 data);
432 extern s32 e1000e_read_kmrn_reg(struct e1000_hw *hw, u32 offset, u16 *data);
433 extern s32 e1000e_phy_has_link_generic(struct e1000_hw *hw, u32 iterations,
434 u32 usec_interval, bool *success);
435 extern s32 e1000e_phy_reset_dsp(struct e1000_hw *hw);
436 extern s32 e1000e_check_downshift(struct e1000_hw *hw);
438 static inline s32 e1000_phy_hw_reset(struct e1000_hw *hw)
440 return hw->phy.ops.reset_phy(hw);
443 static inline s32 e1000_check_reset_block(struct e1000_hw *hw)
445 return hw->phy.ops.check_reset_block(hw);
448 static inline s32 e1e_rphy(struct e1000_hw *hw, u32 offset, u16 *data)
450 return hw->phy.ops.read_phy_reg(hw, offset, data);
453 static inline s32 e1e_wphy(struct e1000_hw *hw, u32 offset, u16 data)
455 return hw->phy.ops.write_phy_reg(hw, offset, data);
458 static inline s32 e1000_get_cable_length(struct e1000_hw *hw)
460 return hw->phy.ops.get_cable_length(hw);
463 extern s32 e1000e_acquire_nvm(struct e1000_hw *hw);
464 extern s32 e1000e_write_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
465 extern s32 e1000e_update_nvm_checksum_generic(struct e1000_hw *hw);
466 extern s32 e1000e_poll_eerd_eewr_done(struct e1000_hw *hw, int ee_reg);
467 extern s32 e1000e_read_nvm_spi(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
468 extern s32 e1000e_read_nvm_eerd(struct e1000_hw *hw, u16 offset, u16 words, u16 *data);
469 extern s32 e1000e_validate_nvm_checksum_generic(struct e1000_hw *hw);
470 extern void e1000e_release_nvm(struct e1000_hw *hw);
471 extern void e1000e_reload_nvm(struct e1000_hw *hw);
472 extern s32 e1000e_read_mac_addr(struct e1000_hw *hw);
474 static inline s32 e1000_validate_nvm_checksum(struct e1000_hw *hw)
476 return hw->nvm.ops.validate_nvm(hw);
479 static inline s32 e1000e_update_nvm_checksum(struct e1000_hw *hw)
481 return hw->nvm.ops.update_nvm(hw);
484 static inline s32 e1000_read_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
486 return hw->nvm.ops.read_nvm(hw, offset, words, data);
489 static inline s32 e1000_write_nvm(struct e1000_hw *hw, u16 offset, u16 words, u16 *data)
491 return hw->nvm.ops.write_nvm(hw, offset, words, data);
494 static inline s32 e1000_get_phy_info(struct e1000_hw *hw)
496 return hw->phy.ops.get_phy_info(hw);
499 extern bool e1000e_check_mng_mode(struct e1000_hw *hw);
500 extern bool e1000e_enable_tx_pkt_filtering(struct e1000_hw *hw);
501 extern s32 e1000e_mng_write_dhcp_info(struct e1000_hw *hw, u8 *buffer, u16 length);
503 static inline u32 __er32(struct e1000_hw *hw, unsigned long reg)
505 return readl(hw->hw_addr + reg);
508 static inline void __ew32(struct e1000_hw *hw, unsigned long reg, u32 val)
510 writel(val, hw->hw_addr + reg);
513 #endif /* _E1000_H_ */