xref: /openbmc/linux/drivers/net/ethernet/intel/igb/igb.h (revision 4f6cce39)
1 /* Intel(R) Gigabit Ethernet Linux driver
2  * Copyright(c) 2007-2014 Intel Corporation.
3  *
4  * This program is free software; you can redistribute it and/or modify it
5  * under the terms and conditions of the GNU General Public License,
6  * version 2, as published by the Free Software Foundation.
7  *
8  * This program is distributed in the hope it will be useful, but WITHOUT
9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
11  * more details.
12  *
13  * You should have received a copy of the GNU General Public License along with
14  * this program; if not, see <http://www.gnu.org/licenses/>.
15  *
16  * The full GNU General Public License is included in this distribution in
17  * the file called "COPYING".
18  *
19  * Contact Information:
20  * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
21  * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
22  */
23 
24 /* Linux PRO/1000 Ethernet Driver main header file */
25 
26 #ifndef _IGB_H_
27 #define _IGB_H_
28 
29 #include "e1000_mac.h"
30 #include "e1000_82575.h"
31 
32 #include <linux/timecounter.h>
33 #include <linux/net_tstamp.h>
34 #include <linux/ptp_clock_kernel.h>
35 #include <linux/bitops.h>
36 #include <linux/if_vlan.h>
37 #include <linux/i2c.h>
38 #include <linux/i2c-algo-bit.h>
39 #include <linux/pci.h>
40 #include <linux/mdio.h>
41 
42 struct igb_adapter;
43 
44 #define E1000_PCS_CFG_IGN_SD	1
45 
46 /* Interrupt defines */
47 #define IGB_START_ITR		648 /* ~6000 ints/sec */
48 #define IGB_4K_ITR		980
49 #define IGB_20K_ITR		196
50 #define IGB_70K_ITR		56
51 
52 /* TX/RX descriptor defines */
53 #define IGB_DEFAULT_TXD		256
54 #define IGB_DEFAULT_TX_WORK	128
55 #define IGB_MIN_TXD		80
56 #define IGB_MAX_TXD		4096
57 
58 #define IGB_DEFAULT_RXD		256
59 #define IGB_MIN_RXD		80
60 #define IGB_MAX_RXD		4096
61 
62 #define IGB_DEFAULT_ITR		3 /* dynamic */
63 #define IGB_MAX_ITR_USECS	10000
64 #define IGB_MIN_ITR_USECS	10
65 #define NON_Q_VECTORS		1
66 #define MAX_Q_VECTORS		8
67 #define MAX_MSIX_ENTRIES	10
68 
69 /* Transmit and receive queues */
70 #define IGB_MAX_RX_QUEUES	8
71 #define IGB_MAX_RX_QUEUES_82575	4
72 #define IGB_MAX_RX_QUEUES_I211	2
73 #define IGB_MAX_TX_QUEUES	8
74 #define IGB_MAX_VF_MC_ENTRIES	30
75 #define IGB_MAX_VF_FUNCTIONS	8
76 #define IGB_MAX_VFTA_ENTRIES	128
77 #define IGB_82576_VF_DEV_ID	0x10CA
78 #define IGB_I350_VF_DEV_ID	0x1520
79 
80 /* NVM version defines */
81 #define IGB_MAJOR_MASK		0xF000
82 #define IGB_MINOR_MASK		0x0FF0
83 #define IGB_BUILD_MASK		0x000F
84 #define IGB_COMB_VER_MASK	0x00FF
85 #define IGB_MAJOR_SHIFT		12
86 #define IGB_MINOR_SHIFT		4
87 #define IGB_COMB_VER_SHFT	8
88 #define IGB_NVM_VER_INVALID	0xFFFF
89 #define IGB_ETRACK_SHIFT	16
90 #define NVM_ETRACK_WORD		0x0042
91 #define NVM_COMB_VER_OFF	0x0083
92 #define NVM_COMB_VER_PTR	0x003d
93 
94 /* Transmit and receive latency (for PTP timestamps) */
95 #define IGB_I210_TX_LATENCY_10		9542
96 #define IGB_I210_TX_LATENCY_100		1024
97 #define IGB_I210_TX_LATENCY_1000	178
98 #define IGB_I210_RX_LATENCY_10		20662
99 #define IGB_I210_RX_LATENCY_100		2213
100 #define IGB_I210_RX_LATENCY_1000	448
101 
102 struct vf_data_storage {
103 	unsigned char vf_mac_addresses[ETH_ALEN];
104 	u16 vf_mc_hashes[IGB_MAX_VF_MC_ENTRIES];
105 	u16 num_vf_mc_hashes;
106 	u32 flags;
107 	unsigned long last_nack;
108 	u16 pf_vlan; /* When set, guest VLAN config not allowed. */
109 	u16 pf_qos;
110 	u16 tx_rate;
111 	bool spoofchk_enabled;
112 };
113 
114 #define IGB_VF_FLAG_CTS            0x00000001 /* VF is clear to send data */
115 #define IGB_VF_FLAG_UNI_PROMISC    0x00000002 /* VF has unicast promisc */
116 #define IGB_VF_FLAG_MULTI_PROMISC  0x00000004 /* VF has multicast promisc */
117 #define IGB_VF_FLAG_PF_SET_MAC     0x00000008 /* PF has set MAC address */
118 
119 /* RX descriptor control thresholds.
120  * PTHRESH - MAC will consider prefetch if it has fewer than this number of
121  *           descriptors available in its onboard memory.
122  *           Setting this to 0 disables RX descriptor prefetch.
123  * HTHRESH - MAC will only prefetch if there are at least this many descriptors
124  *           available in host memory.
125  *           If PTHRESH is 0, this should also be 0.
126  * WTHRESH - RX descriptor writeback threshold - MAC will delay writing back
127  *           descriptors until either it has this many to write back, or the
128  *           ITR timer expires.
129  */
130 #define IGB_RX_PTHRESH	((hw->mac.type == e1000_i354) ? 12 : 8)
131 #define IGB_RX_HTHRESH	8
132 #define IGB_TX_PTHRESH	((hw->mac.type == e1000_i354) ? 20 : 8)
133 #define IGB_TX_HTHRESH	1
134 #define IGB_RX_WTHRESH	((hw->mac.type == e1000_82576 && \
135 			  (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 4)
136 #define IGB_TX_WTHRESH	((hw->mac.type == e1000_82576 && \
137 			  (adapter->flags & IGB_FLAG_HAS_MSIX)) ? 1 : 16)
138 
139 /* this is the size past which hardware will drop packets when setting LPE=0 */
140 #define MAXIMUM_ETHERNET_VLAN_SIZE 1522
141 
142 /* Supported Rx Buffer Sizes */
143 #define IGB_RXBUFFER_256	256
144 #define IGB_RXBUFFER_2048	2048
145 #define IGB_RX_HDR_LEN		IGB_RXBUFFER_256
146 #define IGB_RX_BUFSZ		IGB_RXBUFFER_2048
147 
148 /* How many Rx Buffers do we bundle into one write to the hardware ? */
149 #define IGB_RX_BUFFER_WRITE	16 /* Must be power of 2 */
150 
151 #define AUTO_ALL_MODES		0
152 #define IGB_EEPROM_APME		0x0400
153 
154 #ifndef IGB_MASTER_SLAVE
155 /* Switch to override PHY master/slave setting */
156 #define IGB_MASTER_SLAVE	e1000_ms_hw_default
157 #endif
158 
159 #define IGB_MNG_VLAN_NONE	-1
160 
161 enum igb_tx_flags {
162 	/* cmd_type flags */
163 	IGB_TX_FLAGS_VLAN	= 0x01,
164 	IGB_TX_FLAGS_TSO	= 0x02,
165 	IGB_TX_FLAGS_TSTAMP	= 0x04,
166 
167 	/* olinfo flags */
168 	IGB_TX_FLAGS_IPV4	= 0x10,
169 	IGB_TX_FLAGS_CSUM	= 0x20,
170 };
171 
172 /* VLAN info */
173 #define IGB_TX_FLAGS_VLAN_MASK	0xffff0000
174 #define IGB_TX_FLAGS_VLAN_SHIFT	16
175 
176 /* The largest size we can write to the descriptor is 65535.  In order to
177  * maintain a power of two alignment we have to limit ourselves to 32K.
178  */
179 #define IGB_MAX_TXD_PWR	15
180 #define IGB_MAX_DATA_PER_TXD	(1u << IGB_MAX_TXD_PWR)
181 
182 /* Tx Descriptors needed, worst case */
183 #define TXD_USE_COUNT(S) DIV_ROUND_UP((S), IGB_MAX_DATA_PER_TXD)
184 #define DESC_NEEDED (MAX_SKB_FRAGS + 4)
185 
186 /* EEPROM byte offsets */
187 #define IGB_SFF_8472_SWAP		0x5C
188 #define IGB_SFF_8472_COMP		0x5E
189 
190 /* Bitmasks */
191 #define IGB_SFF_ADDRESSING_MODE		0x4
192 #define IGB_SFF_8472_UNSUP		0x00
193 
194 /* wrapper around a pointer to a socket buffer,
195  * so a DMA handle can be stored along with the buffer
196  */
197 struct igb_tx_buffer {
198 	union e1000_adv_tx_desc *next_to_watch;
199 	unsigned long time_stamp;
200 	struct sk_buff *skb;
201 	unsigned int bytecount;
202 	u16 gso_segs;
203 	__be16 protocol;
204 
205 	DEFINE_DMA_UNMAP_ADDR(dma);
206 	DEFINE_DMA_UNMAP_LEN(len);
207 	u32 tx_flags;
208 };
209 
210 struct igb_rx_buffer {
211 	dma_addr_t dma;
212 	struct page *page;
213 #if (BITS_PER_LONG > 32) || (PAGE_SIZE >= 65536)
214 	__u32 page_offset;
215 #else
216 	__u16 page_offset;
217 #endif
218 	__u16 pagecnt_bias;
219 };
220 
221 struct igb_tx_queue_stats {
222 	u64 packets;
223 	u64 bytes;
224 	u64 restart_queue;
225 	u64 restart_queue2;
226 };
227 
228 struct igb_rx_queue_stats {
229 	u64 packets;
230 	u64 bytes;
231 	u64 drops;
232 	u64 csum_err;
233 	u64 alloc_failed;
234 };
235 
236 struct igb_ring_container {
237 	struct igb_ring *ring;		/* pointer to linked list of rings */
238 	unsigned int total_bytes;	/* total bytes processed this int */
239 	unsigned int total_packets;	/* total packets processed this int */
240 	u16 work_limit;			/* total work allowed per interrupt */
241 	u8 count;			/* total number of rings in vector */
242 	u8 itr;				/* current ITR setting for ring */
243 };
244 
245 struct igb_ring {
246 	struct igb_q_vector *q_vector;	/* backlink to q_vector */
247 	struct net_device *netdev;	/* back pointer to net_device */
248 	struct device *dev;		/* device pointer for dma mapping */
249 	union {				/* array of buffer info structs */
250 		struct igb_tx_buffer *tx_buffer_info;
251 		struct igb_rx_buffer *rx_buffer_info;
252 	};
253 	void *desc;			/* descriptor ring memory */
254 	unsigned long flags;		/* ring specific flags */
255 	void __iomem *tail;		/* pointer to ring tail register */
256 	dma_addr_t dma;			/* phys address of the ring */
257 	unsigned int  size;		/* length of desc. ring in bytes */
258 
259 	u16 count;			/* number of desc. in the ring */
260 	u8 queue_index;			/* logical index of the ring*/
261 	u8 reg_idx;			/* physical index of the ring */
262 
263 	/* everything past this point are written often */
264 	u16 next_to_clean;
265 	u16 next_to_use;
266 	u16 next_to_alloc;
267 
268 	union {
269 		/* TX */
270 		struct {
271 			struct igb_tx_queue_stats tx_stats;
272 			struct u64_stats_sync tx_syncp;
273 			struct u64_stats_sync tx_syncp2;
274 		};
275 		/* RX */
276 		struct {
277 			struct sk_buff *skb;
278 			struct igb_rx_queue_stats rx_stats;
279 			struct u64_stats_sync rx_syncp;
280 		};
281 	};
282 } ____cacheline_internodealigned_in_smp;
283 
284 struct igb_q_vector {
285 	struct igb_adapter *adapter;	/* backlink */
286 	int cpu;			/* CPU for DCA */
287 	u32 eims_value;			/* EIMS mask value */
288 
289 	u16 itr_val;
290 	u8 set_itr;
291 	void __iomem *itr_register;
292 
293 	struct igb_ring_container rx, tx;
294 
295 	struct napi_struct napi;
296 	struct rcu_head rcu;	/* to avoid race with update stats on free */
297 	char name[IFNAMSIZ + 9];
298 
299 	/* for dynamic allocation of rings associated with this q_vector */
300 	struct igb_ring ring[0] ____cacheline_internodealigned_in_smp;
301 };
302 
303 enum e1000_ring_flags_t {
304 	IGB_RING_FLAG_RX_SCTP_CSUM,
305 	IGB_RING_FLAG_RX_LB_VLAN_BSWAP,
306 	IGB_RING_FLAG_TX_CTX_IDX,
307 	IGB_RING_FLAG_TX_DETECT_HANG
308 };
309 
310 #define IGB_TXD_DCMD (E1000_ADVTXD_DCMD_EOP | E1000_ADVTXD_DCMD_RS)
311 
312 #define IGB_RX_DESC(R, i)	\
313 	(&(((union e1000_adv_rx_desc *)((R)->desc))[i]))
314 #define IGB_TX_DESC(R, i)	\
315 	(&(((union e1000_adv_tx_desc *)((R)->desc))[i]))
316 #define IGB_TX_CTXTDESC(R, i)	\
317 	(&(((struct e1000_adv_tx_context_desc *)((R)->desc))[i]))
318 
319 /* igb_test_staterr - tests bits within Rx descriptor status and error fields */
320 static inline __le32 igb_test_staterr(union e1000_adv_rx_desc *rx_desc,
321 				      const u32 stat_err_bits)
322 {
323 	return rx_desc->wb.upper.status_error & cpu_to_le32(stat_err_bits);
324 }
325 
326 /* igb_desc_unused - calculate if we have unused descriptors */
327 static inline int igb_desc_unused(struct igb_ring *ring)
328 {
329 	if (ring->next_to_clean > ring->next_to_use)
330 		return ring->next_to_clean - ring->next_to_use - 1;
331 
332 	return ring->count + ring->next_to_clean - ring->next_to_use - 1;
333 }
334 
335 #ifdef CONFIG_IGB_HWMON
336 
337 #define IGB_HWMON_TYPE_LOC	0
338 #define IGB_HWMON_TYPE_TEMP	1
339 #define IGB_HWMON_TYPE_CAUTION	2
340 #define IGB_HWMON_TYPE_MAX	3
341 
342 struct hwmon_attr {
343 	struct device_attribute dev_attr;
344 	struct e1000_hw *hw;
345 	struct e1000_thermal_diode_data *sensor;
346 	char name[12];
347 	};
348 
349 struct hwmon_buff {
350 	struct attribute_group group;
351 	const struct attribute_group *groups[2];
352 	struct attribute *attrs[E1000_MAX_SENSORS * 4 + 1];
353 	struct hwmon_attr hwmon_list[E1000_MAX_SENSORS * 4];
354 	unsigned int n_hwmon;
355 	};
356 #endif
357 
358 /* The number of L2 ether-type filter registers, Index 3 is reserved
359  * for PTP 1588 timestamp
360  */
361 #define MAX_ETYPE_FILTER	(4 - 1)
362 /* ETQF filter list: one static filter per filter consumer. This is
363  * to avoid filter collisions later. Add new filters here!!
364  *
365  * Current filters:		Filter 3
366  */
367 #define IGB_ETQF_FILTER_1588	3
368 
369 #define IGB_N_EXTTS	2
370 #define IGB_N_PEROUT	2
371 #define IGB_N_SDP	4
372 #define IGB_RETA_SIZE	128
373 
374 enum igb_filter_match_flags {
375 	IGB_FILTER_FLAG_ETHER_TYPE = 0x1,
376 	IGB_FILTER_FLAG_VLAN_TCI   = 0x2,
377 };
378 
379 #define IGB_MAX_RXNFC_FILTERS 16
380 
381 /* RX network flow classification data structure */
382 struct igb_nfc_input {
383 	/* Byte layout in order, all values with MSB first:
384 	 * match_flags - 1 byte
385 	 * etype - 2 bytes
386 	 * vlan_tci - 2 bytes
387 	 */
388 	u8 match_flags;
389 	__be16 etype;
390 	__be16 vlan_tci;
391 };
392 
393 struct igb_nfc_filter {
394 	struct hlist_node nfc_node;
395 	struct igb_nfc_input filter;
396 	u16 etype_reg_index;
397 	u16 sw_idx;
398 	u16 action;
399 };
400 
401 /* board specific private data structure */
402 struct igb_adapter {
403 	unsigned long active_vlans[BITS_TO_LONGS(VLAN_N_VID)];
404 
405 	struct net_device *netdev;
406 
407 	unsigned long state;
408 	unsigned int flags;
409 
410 	unsigned int num_q_vectors;
411 	struct msix_entry msix_entries[MAX_MSIX_ENTRIES];
412 
413 	/* Interrupt Throttle Rate */
414 	u32 rx_itr_setting;
415 	u32 tx_itr_setting;
416 	u16 tx_itr;
417 	u16 rx_itr;
418 
419 	/* TX */
420 	u16 tx_work_limit;
421 	u32 tx_timeout_count;
422 	int num_tx_queues;
423 	struct igb_ring *tx_ring[16];
424 
425 	/* RX */
426 	int num_rx_queues;
427 	struct igb_ring *rx_ring[16];
428 
429 	u32 max_frame_size;
430 	u32 min_frame_size;
431 
432 	struct timer_list watchdog_timer;
433 	struct timer_list phy_info_timer;
434 
435 	u16 mng_vlan_id;
436 	u32 bd_number;
437 	u32 wol;
438 	u32 en_mng_pt;
439 	u16 link_speed;
440 	u16 link_duplex;
441 
442 	u8 __iomem *io_addr; /* Mainly for iounmap use */
443 
444 	struct work_struct reset_task;
445 	struct work_struct watchdog_task;
446 	bool fc_autoneg;
447 	u8  tx_timeout_factor;
448 	struct timer_list blink_timer;
449 	unsigned long led_status;
450 
451 	/* OS defined structs */
452 	struct pci_dev *pdev;
453 
454 	spinlock_t stats64_lock;
455 	struct rtnl_link_stats64 stats64;
456 
457 	/* structs defined in e1000_hw.h */
458 	struct e1000_hw hw;
459 	struct e1000_hw_stats stats;
460 	struct e1000_phy_info phy_info;
461 
462 	u32 test_icr;
463 	struct igb_ring test_tx_ring;
464 	struct igb_ring test_rx_ring;
465 
466 	int msg_enable;
467 
468 	struct igb_q_vector *q_vector[MAX_Q_VECTORS];
469 	u32 eims_enable_mask;
470 	u32 eims_other;
471 
472 	/* to not mess up cache alignment, always add to the bottom */
473 	u16 tx_ring_count;
474 	u16 rx_ring_count;
475 	unsigned int vfs_allocated_count;
476 	struct vf_data_storage *vf_data;
477 	int vf_rate_link_speed;
478 	u32 rss_queues;
479 	u32 wvbr;
480 	u32 *shadow_vfta;
481 
482 	struct ptp_clock *ptp_clock;
483 	struct ptp_clock_info ptp_caps;
484 	struct delayed_work ptp_overflow_work;
485 	struct work_struct ptp_tx_work;
486 	struct sk_buff *ptp_tx_skb;
487 	struct hwtstamp_config tstamp_config;
488 	unsigned long ptp_tx_start;
489 	unsigned long last_rx_ptp_check;
490 	unsigned long last_rx_timestamp;
491 	unsigned int ptp_flags;
492 	spinlock_t tmreg_lock;
493 	struct cyclecounter cc;
494 	struct timecounter tc;
495 	u32 tx_hwtstamp_timeouts;
496 	u32 rx_hwtstamp_cleared;
497 	bool pps_sys_wrap_on;
498 
499 	struct ptp_pin_desc sdp_config[IGB_N_SDP];
500 	struct {
501 		struct timespec64 start;
502 		struct timespec64 period;
503 	} perout[IGB_N_PEROUT];
504 
505 	char fw_version[32];
506 #ifdef CONFIG_IGB_HWMON
507 	struct hwmon_buff *igb_hwmon_buff;
508 	bool ets;
509 #endif
510 	struct i2c_algo_bit_data i2c_algo;
511 	struct i2c_adapter i2c_adap;
512 	struct i2c_client *i2c_client;
513 	u32 rss_indir_tbl_init;
514 	u8 rss_indir_tbl[IGB_RETA_SIZE];
515 
516 	unsigned long link_check_timeout;
517 	int copper_tries;
518 	struct e1000_info ei;
519 	u16 eee_advert;
520 
521 	/* RX network flow classification support */
522 	struct hlist_head nfc_filter_list;
523 	unsigned int nfc_filter_count;
524 	/* lock for RX network flow classification filter */
525 	spinlock_t nfc_lock;
526 	bool etype_bitmap[MAX_ETYPE_FILTER];
527 };
528 
529 /* flags controlling PTP/1588 function */
530 #define IGB_PTP_ENABLED		BIT(0)
531 #define IGB_PTP_OVERFLOW_CHECK	BIT(1)
532 
533 #define IGB_FLAG_HAS_MSI		BIT(0)
534 #define IGB_FLAG_DCA_ENABLED		BIT(1)
535 #define IGB_FLAG_QUAD_PORT_A		BIT(2)
536 #define IGB_FLAG_QUEUE_PAIRS		BIT(3)
537 #define IGB_FLAG_DMAC			BIT(4)
538 #define IGB_FLAG_RSS_FIELD_IPV4_UDP	BIT(6)
539 #define IGB_FLAG_RSS_FIELD_IPV6_UDP	BIT(7)
540 #define IGB_FLAG_WOL_SUPPORTED		BIT(8)
541 #define IGB_FLAG_NEED_LINK_UPDATE	BIT(9)
542 #define IGB_FLAG_MEDIA_RESET		BIT(10)
543 #define IGB_FLAG_MAS_CAPABLE		BIT(11)
544 #define IGB_FLAG_MAS_ENABLE		BIT(12)
545 #define IGB_FLAG_HAS_MSIX		BIT(13)
546 #define IGB_FLAG_EEE			BIT(14)
547 #define IGB_FLAG_VLAN_PROMISC		BIT(15)
548 
549 /* Media Auto Sense */
550 #define IGB_MAS_ENABLE_0		0X0001
551 #define IGB_MAS_ENABLE_1		0X0002
552 #define IGB_MAS_ENABLE_2		0X0004
553 #define IGB_MAS_ENABLE_3		0X0008
554 
555 /* DMA Coalescing defines */
556 #define IGB_MIN_TXPBSIZE	20408
557 #define IGB_TX_BUF_4096		4096
558 #define IGB_DMCTLX_DCFLUSH_DIS	0x80000000  /* Disable DMA Coal Flush */
559 
560 #define IGB_82576_TSYNC_SHIFT	19
561 #define IGB_TS_HDR_LEN		16
562 enum e1000_state_t {
563 	__IGB_TESTING,
564 	__IGB_RESETTING,
565 	__IGB_DOWN,
566 	__IGB_PTP_TX_IN_PROGRESS,
567 };
568 
569 enum igb_boards {
570 	board_82575,
571 };
572 
573 extern char igb_driver_name[];
574 extern char igb_driver_version[];
575 
576 int igb_open(struct net_device *netdev);
577 int igb_close(struct net_device *netdev);
578 int igb_up(struct igb_adapter *);
579 void igb_down(struct igb_adapter *);
580 void igb_reinit_locked(struct igb_adapter *);
581 void igb_reset(struct igb_adapter *);
582 int igb_reinit_queues(struct igb_adapter *);
583 void igb_write_rss_indir_tbl(struct igb_adapter *);
584 int igb_set_spd_dplx(struct igb_adapter *, u32, u8);
585 int igb_setup_tx_resources(struct igb_ring *);
586 int igb_setup_rx_resources(struct igb_ring *);
587 void igb_free_tx_resources(struct igb_ring *);
588 void igb_free_rx_resources(struct igb_ring *);
589 void igb_configure_tx_ring(struct igb_adapter *, struct igb_ring *);
590 void igb_configure_rx_ring(struct igb_adapter *, struct igb_ring *);
591 void igb_setup_tctl(struct igb_adapter *);
592 void igb_setup_rctl(struct igb_adapter *);
593 netdev_tx_t igb_xmit_frame_ring(struct sk_buff *, struct igb_ring *);
594 void igb_unmap_and_free_tx_resource(struct igb_ring *, struct igb_tx_buffer *);
595 void igb_alloc_rx_buffers(struct igb_ring *, u16);
596 void igb_update_stats(struct igb_adapter *, struct rtnl_link_stats64 *);
597 bool igb_has_link(struct igb_adapter *adapter);
598 void igb_set_ethtool_ops(struct net_device *);
599 void igb_power_up_link(struct igb_adapter *);
600 void igb_set_fw_version(struct igb_adapter *);
601 void igb_ptp_init(struct igb_adapter *adapter);
602 void igb_ptp_stop(struct igb_adapter *adapter);
603 void igb_ptp_reset(struct igb_adapter *adapter);
604 void igb_ptp_suspend(struct igb_adapter *adapter);
605 void igb_ptp_rx_hang(struct igb_adapter *adapter);
606 void igb_ptp_rx_rgtstamp(struct igb_q_vector *q_vector, struct sk_buff *skb);
607 void igb_ptp_rx_pktstamp(struct igb_q_vector *q_vector, unsigned char *va,
608 			 struct sk_buff *skb);
609 int igb_ptp_set_ts_config(struct net_device *netdev, struct ifreq *ifr);
610 int igb_ptp_get_ts_config(struct net_device *netdev, struct ifreq *ifr);
611 void igb_set_flag_queue_pairs(struct igb_adapter *, const u32);
612 #ifdef CONFIG_IGB_HWMON
613 void igb_sysfs_exit(struct igb_adapter *adapter);
614 int igb_sysfs_init(struct igb_adapter *adapter);
615 #endif
616 static inline s32 igb_reset_phy(struct e1000_hw *hw)
617 {
618 	if (hw->phy.ops.reset)
619 		return hw->phy.ops.reset(hw);
620 
621 	return 0;
622 }
623 
624 static inline s32 igb_read_phy_reg(struct e1000_hw *hw, u32 offset, u16 *data)
625 {
626 	if (hw->phy.ops.read_reg)
627 		return hw->phy.ops.read_reg(hw, offset, data);
628 
629 	return 0;
630 }
631 
632 static inline s32 igb_write_phy_reg(struct e1000_hw *hw, u32 offset, u16 data)
633 {
634 	if (hw->phy.ops.write_reg)
635 		return hw->phy.ops.write_reg(hw, offset, data);
636 
637 	return 0;
638 }
639 
640 static inline s32 igb_get_phy_info(struct e1000_hw *hw)
641 {
642 	if (hw->phy.ops.get_phy_info)
643 		return hw->phy.ops.get_phy_info(hw);
644 
645 	return 0;
646 }
647 
648 static inline struct netdev_queue *txring_txq(const struct igb_ring *tx_ring)
649 {
650 	return netdev_get_tx_queue(tx_ring->netdev, tx_ring->queue_index);
651 }
652 
653 int igb_add_filter(struct igb_adapter *adapter,
654 		   struct igb_nfc_filter *input);
655 int igb_erase_filter(struct igb_adapter *adapter,
656 		     struct igb_nfc_filter *input);
657 
658 #endif /* _IGB_H_ */
659