summaryrefslogtreecommitdiff
path: root/drivers/net/ethernet/hisilicon/hns/hnae.h
blob: e9c67c06bfd22514064f4992011b6c5d5b9f2984 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Copyright (c) 2014-2015 Hisilicon Limited.
 */

#ifndef __HNAE_H
#define __HNAE_H

/* Names used in this framework:
 *      ae handle (handle):
 *        a set of queues provided by AE
 *      ring buffer queue (rbq):
 *        the channel between upper layer and the AE, can do tx and rx
 *      ring:
 *        a tx or rx channel within a rbq
 *      ring description (desc):
 *        an element in the ring with packet information
 *      buffer:
 *        a memory region referred by desc with the full packet payload
 *
 * "num" means a static number set as a parameter, "count" mean a dynamic
 *   number set while running
 * "cb" means control block
 */

#include <linux/acpi.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/module.h>
#include <linux/netdevice.h>
#include <linux/notifier.h>
#include <linux/phy.h>
#include <linux/types.h>

#define HNAE_DRIVER_VERSION "2.0"
#define HNAE_DRIVER_NAME "hns"
#define HNAE_COPYRIGHT "Copyright(c) 2015 Huawei Corporation."
#define HNAE_DRIVER_STRING "Hisilicon Network Subsystem Driver"
#define HNAE_DEFAULT_DEVICE_DESCR "Hisilicon Network Subsystem"

#ifdef DEBUG

#ifndef assert
#define assert(expr) \
do { \
	if (!(expr)) { \
		pr_err("Assertion failed! %s, %s, %s, line %d\n", \
			   #expr, __FILE__, __func__, __LINE__); \
	} \
} while (0)
#endif

#else

#ifndef assert
#define assert(expr)
#endif

#endif

#define AE_VERSION_1 ('6' << 16 | '6' << 8 | '0')
#define AE_VERSION_2 ('1' << 24 | '6' << 16 | '1' << 8 | '0')
#define AE_IS_VER1(ver) ((ver) == AE_VERSION_1)
#define AE_NAME_SIZE 16

#define BD_SIZE_2048_MAX_MTU   6000

/* some said the RX and TX RCB format should not be the same in the future. But
 * it is the same now...
 */
#define RCB_REG_BASEADDR_L         0x00 /* P660 support only 32bit accessing */
#define RCB_REG_BASEADDR_H         0x04
#define RCB_REG_BD_NUM             0x08
#define RCB_REG_BD_LEN             0x0C
#define RCB_REG_PKTLINE            0x10
#define RCB_REG_TAIL               0x18
#define RCB_REG_HEAD               0x1C
#define RCB_REG_FBDNUM             0x20
#define RCB_REG_OFFSET             0x24 /* pkt num to be handled */
#define RCB_REG_PKTNUM_RECORD      0x2C /* total pkt received */

#define HNS_RX_HEAD_SIZE 256

#define HNAE_AE_REGISTER 0x1

#define RCB_RING_NAME_LEN (IFNAMSIZ + 4)

#define HNAE_LOWEST_LATENCY_COAL_PARAM	30
#define HNAE_LOW_LATENCY_COAL_PARAM	80
#define HNAE_BULK_LATENCY_COAL_PARAM	150

enum hnae_led_state {
	HNAE_LED_INACTIVE,
	HNAE_LED_ACTIVE,
	HNAE_LED_ON,
	HNAE_LED_OFF
};

#define HNS_RX_FLAG_VLAN_PRESENT 0x1
#define HNS_RX_FLAG_L3ID_IPV4 0x0
#define HNS_RX_FLAG_L3ID_IPV6 0x1
#define HNS_RX_FLAG_L4ID_UDP 0x0
#define HNS_RX_FLAG_L4ID_TCP 0x1
#define HNS_RX_FLAG_L4ID_SCTP 0x3

#define HNS_TXD_ASID_S 0
#define HNS_TXD_ASID_M (0xff << HNS_TXD_ASID_S)
#define HNS_TXD_BUFNUM_S 8
#define HNS_TXD_BUFNUM_M (0x3 << HNS_TXD_BUFNUM_S)
#define HNS_TXD_PORTID_S 10
#define HNS_TXD_PORTID_M (0x7 << HNS_TXD_PORTID_S)

#define HNS_TXD_RA_B 8
#define HNS_TXD_RI_B 9
#define HNS_TXD_L4CS_B 10
#define HNS_TXD_L3CS_B 11
#define HNS_TXD_FE_B 12
#define HNS_TXD_VLD_B 13
#define HNS_TXD_IPOFFSET_S 14
#define HNS_TXD_IPOFFSET_M (0xff << HNS_TXD_IPOFFSET_S)

#define HNS_RXD_IPOFFSET_S 0
#define HNS_RXD_IPOFFSET_M (0xff << HNS_TXD_IPOFFSET_S)
#define HNS_RXD_BUFNUM_S 8
#define HNS_RXD_BUFNUM_M (0x3 << HNS_RXD_BUFNUM_S)
#define HNS_RXD_PORTID_S 10
#define HNS_RXD_PORTID_M (0x7 << HNS_RXD_PORTID_S)
#define HNS_RXD_DMAC_S 13
#define HNS_RXD_DMAC_M (0x3 << HNS_RXD_DMAC_S)
#define HNS_RXD_VLAN_S 15
#define HNS_RXD_VLAN_M (0x3 << HNS_RXD_VLAN_S)
#define HNS_RXD_L3ID_S 17
#define HNS_RXD_L3ID_M (0xf << HNS_RXD_L3ID_S)
#define HNS_RXD_L4ID_S 21
#define HNS_RXD_L4ID_M (0xf << HNS_RXD_L4ID_S)
#define HNS_RXD_FE_B 25
#define HNS_RXD_FRAG_B 26
#define HNS_RXD_VLD_B 27
#define HNS_RXD_L2E_B 28
#define HNS_RXD_L3E_B 29
#define HNS_RXD_L4E_B 30
#define HNS_RXD_DROP_B 31

#define HNS_RXD_VLANID_S 8
#define HNS_RXD_VLANID_M (0xfff << HNS_RXD_VLANID_S)
#define HNS_RXD_CFI_B 20
#define HNS_RXD_PRI_S 21
#define HNS_RXD_PRI_M (0x7 << HNS_RXD_PRI_S)
#define HNS_RXD_ASID_S 24
#define HNS_RXD_ASID_M (0xff << HNS_RXD_ASID_S)

#define HNSV2_TXD_BUFNUM_S 0
#define HNSV2_TXD_BUFNUM_M (0x7 << HNSV2_TXD_BUFNUM_S)
#define HNSV2_TXD_PORTID_S	4
#define HNSV2_TXD_PORTID_M	(0X7 << HNSV2_TXD_PORTID_S)
#define HNSV2_TXD_RI_B   1
#define HNSV2_TXD_L4CS_B   2
#define HNSV2_TXD_L3CS_B   3
#define HNSV2_TXD_FE_B   4
#define HNSV2_TXD_VLD_B  5

#define HNSV2_TXD_TSE_B   0
#define HNSV2_TXD_VLAN_EN_B   1
#define HNSV2_TXD_SNAP_B   2
#define HNSV2_TXD_IPV6_B   3
#define HNSV2_TXD_SCTP_B   4

/* hardware spec ring buffer format */
struct __packed hnae_desc {
	__le64 addr;
	union {
		struct {
			union {
				__le16 asid_bufnum_pid;
				__le16 asid;
			};
			__le16 send_size;
			union {
				__le32 flag_ipoffset;
				struct {
					__u8 bn_pid;
					__u8 ra_ri_cs_fe_vld;
					__u8 ip_offset;
					__u8 tse_vlan_snap_v6_sctp_nth;
				};
			};
			__le16 mss;
			__u8 l4_len;
			__u8 reserved1;
			__le16 paylen;
			__u8 vmid;
			__u8 qid;
			__le32 reserved2[2];
		} tx;

		struct {
			__le32 ipoff_bnum_pid_flag;
			__le16 pkt_len;
			__le16 size;
			union {
				__le32 vlan_pri_asid;
				struct {
					__le16 asid;
					__le16 vlan_cfi_pri;
				};
			};
			__le32 rss_hash;
			__le32 reserved_1[2];
		} rx;
	};
};

struct hnae_desc_cb {
	dma_addr_t dma; /* dma address of this desc */
	void *buf;      /* cpu addr for a desc */

	/* priv data for the desc, e.g. skb when use with ip stack*/
	void *priv;
	u32 page_offset;
	u32 length;     /* length of the buffer */

	u16 reuse_flag;

       /* desc type, used by the ring user to mark the type of the priv data */
	u16 type;
};

#define setflags(flags, bits) ((flags) |= (bits))
#define unsetflags(flags, bits) ((flags) &= ~(bits))

/* hnae_ring->flags fields */
#define RINGF_DIR 0x1	    /* TX or RX ring, set if TX */
#define is_tx_ring(ring) ((ring)->flags & RINGF_DIR)
#define is_rx_ring(ring) (!is_tx_ring(ring))
#define ring_to_dma_dir(ring) (is_tx_ring(ring) ? \
	DMA_TO_DEVICE : DMA_FROM_DEVICE)

struct ring_stats {
	u64 io_err_cnt;
	u64 sw_err_cnt;
	u64 seg_pkt_cnt;
	union {
		struct {
			u64 tx_pkts;
			u64 tx_bytes;
			u64 tx_err_cnt;
			u64 restart_queue;
			u64 tx_busy;
		};
		struct {
			u64 rx_pkts;
			u64 rx_bytes;
			u64 rx_err_cnt;
			u64 reuse_pg_cnt;
			u64 err_pkt_len;
			u64 non_vld_descs;
			u64 err_bd_num;
			u64 l2_err;
			u64 l3l4_csum_err;
		};
	};
};

struct hnae_queue;

struct hnae_ring {
	u8 __iomem *io_base; /* base io address for the ring */
	struct hnae_desc *desc; /* dma map address space */
	struct hnae_desc_cb *desc_cb;
	struct hnae_queue *q;
	int irq;
	char ring_name[RCB_RING_NAME_LEN];

	/* statistic */
	struct ring_stats stats;

	/* ring lock for poll one */
	spinlock_t lock;

	dma_addr_t desc_dma_addr;
	u32 buf_size;       /* size for hnae_desc->addr, preset by AE */
	u16 desc_num;       /* total number of desc */
	u16 max_desc_num_per_pkt;
	u16 max_raw_data_sz_per_desc;
	u16 max_pkt_size;
	int next_to_use;    /* idx of next spare desc */

	/* idx of lastest sent desc, the ring is empty when equal to
	 * next_to_use
	 */
	int next_to_clean;

	int flags;          /* ring attribute */
	int irq_init_flag;

	/* total rx bytes after last rx rate calucated */
	u64 coal_last_rx_bytes;
	unsigned long coal_last_jiffies;
	u32 coal_param;
	u32 coal_rx_rate;	/* rx rate in MB */
};

#define ring_ptr_move_fw(ring, p) \
	((ring)->p = ((ring)->p + 1) % (ring)->desc_num)
#define ring_ptr_move_bw(ring, p) \
	((ring)->p = ((ring)->p - 1 + (ring)->desc_num) % (ring)->desc_num)

enum hns_desc_type {
	DESC_TYPE_SKB,
	DESC_TYPE_PAGE,
};

#define assert_is_ring_idx(ring, idx) \
	assert((idx) >= 0 && (idx) < (ring)->desc_num)

/* the distance between [begin, end) in a ring buffer
 * note: there is a unuse slot between the begin and the end
 */
static inline int ring_dist(struct hnae_ring *ring, int begin, int end)
{
	assert_is_ring_idx(ring, begin);
	assert_is_ring_idx(ring, end);

	return (end - begin + ring->desc_num) % ring->desc_num;
}

static inline int ring_space(struct hnae_ring *ring)
{
	return ring->desc_num -
		ring_dist(ring, ring->next_to_clean, ring->next_to_use) - 1;
}

static inline int is_ring_empty(struct hnae_ring *ring)
{
	assert_is_ring_idx(ring, ring->next_to_use);
	assert_is_ring_idx(ring, ring->next_to_clean);

	return ring->next_to_use == ring->next_to_clean;
}

#define hnae_buf_size(_ring) ((_ring)->buf_size)
#define hnae_page_order(_ring) (get_order(hnae_buf_size(_ring)))
#define hnae_page_size(_ring) (PAGE_SIZE << hnae_page_order(_ring))

struct hnae_handle;

/* allocate and dma map space for hnae desc */
struct hnae_buf_ops {
	int (*alloc_buffer)(struct hnae_ring *ring, struct hnae_desc_cb *cb);
	void (*free_buffer)(struct hnae_ring *ring, struct hnae_desc_cb *cb);
	int (*map_buffer)(struct hnae_ring *ring, struct hnae_desc_cb *cb);
	void (*unmap_buffer)(struct hnae_ring *ring, struct hnae_desc_cb *cb);
};

struct hnae_queue {
	u8 __iomem *io_base;
	phys_addr_t phy_base;
	struct hnae_ae_dev *dev;	/* the device who use this queue */
	struct hnae_ring rx_ring ____cacheline_internodealigned_in_smp;
	struct hnae_ring tx_ring ____cacheline_internodealigned_in_smp;
	struct hnae_handle *handle;
};

/*hnae loop mode*/
enum hnae_loop {
	MAC_INTERNALLOOP_MAC = 0,
	MAC_INTERNALLOOP_SERDES,
	MAC_INTERNALLOOP_PHY,
	MAC_LOOP_PHY_NONE,
	MAC_LOOP_NONE,
};

/*hnae port type*/
enum hnae_port_type {
	HNAE_PORT_SERVICE = 0,
	HNAE_PORT_DEBUG
};

/* mac media type */
enum hnae_media_type {
	HNAE_MEDIA_TYPE_UNKNOWN = 0,
	HNAE_MEDIA_TYPE_FIBER,
	HNAE_MEDIA_TYPE_COPPER,
	HNAE_MEDIA_TYPE_BACKPLANE,
};

/* This struct defines the operation on the handle.
 *
 * get_handle(): (mandatory)
 *   Get a handle from AE according to its name and options.
 *   the AE driver should manage the space used by handle and its queues while
 *   the HNAE framework will allocate desc and desc_cb for all rings in the
 *   queues.
 * put_handle():
 *   Release the handle.
 * start():
 *   Enable the hardware, include all queues
 * stop():
 *   Disable the hardware
 * set_opts(): (mandatory)
 *   Set options to the AE
 * get_opts(): (mandatory)
 *   Get options from the AE
 * get_status():
 *   Get the carrier state of the back channel of the handle, 1 for ok, 0 for
 *   non-ok
 * toggle_ring_irq(): (mandatory)
 *   Set the ring irq to be enabled(0) or disable(1)
 * toggle_queue_status(): (mandatory)
 *   Set the queue to be enabled(1) or disable(0), this will not change the
 *   ring irq state
 * adjust_link()
 *   adjust link status
 * set_loopback()
 *   set loopback
 * get_ring_bdnum_limit()
 *   get ring bd number limit
 * get_pauseparam()
 *   get tx and rx of pause frame use
 * set_autoneg()
 *   set auto autonegotiation of pause frame use
 * get_autoneg()
 *   get auto autonegotiation of pause frame use
 * set_pauseparam()
 *   set tx and rx of pause frame use
 * get_coalesce_usecs()
 *   get usecs to delay a TX interrupt after a packet is sent
 * get_rx_max_coalesced_frames()
 *   get Maximum number of packets to be sent before a TX interrupt.
 * set_coalesce_usecs()
 *   set usecs to delay a TX interrupt after a packet is sent
 * set_coalesce_frames()
 *   set Maximum number of packets to be sent before a TX interrupt.
 * get_ringnum()
 *   get RX/TX ring number
 * get_max_ringnum()
 *   get RX/TX ring maximum number
 * get_mac_addr()
 *   get mac address
 * set_mac_addr()
 *   set mac address
 * clr_mc_addr()
 *   clear mcast tcam table
 * set_mc_addr()
 *   set multicast mode
 * add_uc_addr()
 *   add ucast address
 * rm_uc_addr()
 *   remove ucast address
 * set_mtu()
 *   set mtu
 * update_stats()
 *   update Old network device statistics
 * get_ethtool_stats()
 *   get ethtool network device statistics
 * get_strings()
 *   get a set of strings that describe the requested objects
 * get_sset_count()
 *   get number of strings that @get_strings will write
 * update_led_status()
 *   update the led status
 * set_led_id()
 *   set led id
 * get_regs()
 *   get regs dump
 * get_regs_len()
 *   get the len of the regs dump
 */
struct hnae_ae_ops {
	struct hnae_handle *(*get_handle)(struct hnae_ae_dev *dev,
					  u32 port_id);
	void (*put_handle)(struct hnae_handle *handle);
	void (*init_queue)(struct hnae_queue *q);
	void (*fini_queue)(struct hnae_queue *q);
	int (*start)(struct hnae_handle *handle);
	void (*stop)(struct hnae_handle *handle);
	void (*reset)(struct hnae_handle *handle);
	int (*set_opts)(struct hnae_handle *handle, int type, void *opts);
	int (*get_opts)(struct hnae_handle *handle, int type, void **opts);
	int (*get_status)(struct hnae_handle *handle);
	int (*get_info)(struct hnae_handle *handle,
			u8 *auto_neg, u16 *speed, u8 *duplex);
	void (*toggle_ring_irq)(struct hnae_ring *ring, u32 val);
	void (*adjust_link)(struct hnae_handle *handle, int speed, int duplex);
	bool (*need_adjust_link)(struct hnae_handle *handle,
				 int speed, int duplex);
	int (*set_loopback)(struct hnae_handle *handle,
			    enum hnae_loop loop_mode, int en);
	void (*get_ring_bdnum_limit)(struct hnae_queue *queue,
				     u32 *uplimit);
	void (*get_pauseparam)(struct hnae_handle *handle,
			       u32 *auto_neg, u32 *rx_en, u32 *tx_en);
	int (*set_autoneg)(struct hnae_handle *handle, u8 enable);
	int (*get_autoneg)(struct hnae_handle *handle);
	int (*set_pauseparam)(struct hnae_handle *handle,
			      u32 auto_neg, u32 rx_en, u32 tx_en);
	void (*get_coalesce_usecs)(struct hnae_handle *handle,
				   u32 *tx_usecs, u32 *rx_usecs);
	void (*get_max_coalesced_frames)(struct hnae_handle *handle,
					 u32 *tx_frames, u32 *rx_frames);
	int (*set_coalesce_usecs)(struct hnae_handle *handle, u32 timeout);
	int (*set_coalesce_frames)(struct hnae_handle *handle,
				   u32 tx_frames, u32 rx_frames);
	void (*get_coalesce_range)(struct hnae_handle *handle,
				   u32 *tx_frames_low, u32 *rx_frames_low,
				   u32 *tx_frames_high, u32 *rx_frames_high,
				   u32 *tx_usecs_low, u32 *rx_usecs_low,
				   u32 *tx_usecs_high, u32 *rx_usecs_high);
	void (*set_promisc_mode)(struct hnae_handle *handle, u32 en);
	int (*get_mac_addr)(struct hnae_handle *handle, void **p);
	int (*set_mac_addr)(struct hnae_handle *handle, void *p);
	int (*add_uc_addr)(struct hnae_handle *handle,
			   const unsigned char *addr);
	int (*rm_uc_addr)(struct hnae_handle *handle,
			  const unsigned char *addr);
	int (*clr_mc_addr)(struct hnae_handle *handle);
	int (*set_mc_addr)(struct hnae_handle *handle, void *addr);
	int (*set_mtu)(struct hnae_handle *handle, int new_mtu);
	void (*set_tso_stats)(struct hnae_handle *handle, int enable);
	void (*update_stats)(struct hnae_handle *handle,
			     struct net_device_stats *net_stats);
	void (*get_stats)(struct hnae_handle *handle, u64 *data);
	void (*get_strings)(struct hnae_handle *handle,
			    u32 stringset, u8 *data);
	int (*get_sset_count)(struct hnae_handle *handle, int stringset);
	void (*update_led_status)(struct hnae_handle *handle);
	int (*set_led_id)(struct hnae_handle *handle,
			  enum hnae_led_state status);
	void (*get_regs)(struct hnae_handle *handle, void *data);
	int (*get_regs_len)(struct hnae_handle *handle);
	u32	(*get_rss_key_size)(struct hnae_handle *handle);
	u32	(*get_rss_indir_size)(struct hnae_handle *handle);
	int	(*get_rss)(struct hnae_handle *handle, u32 *indir, u8 *key,
			   u8 *hfunc);
	int	(*set_rss)(struct hnae_handle *handle, const u32 *indir,
			   const u8 *key, const u8 hfunc);
};

struct hnae_ae_dev {
	struct device cls_dev; /* the class dev */
	struct device *dev; /* the presented dev */
	struct hnae_ae_ops *ops;
	struct list_head node;
	struct module *owner; /* the module who provides this dev */
	int id;
	char name[AE_NAME_SIZE];
	struct list_head handle_list;
	spinlock_t lock; /* lock to protect the handle_list */
};

struct hnae_handle {
	struct device *owner_dev; /* the device which make use of this handle */
	struct hnae_ae_dev *dev;  /* the device who provides this handle */
	struct phy_device *phy_dev;
	phy_interface_t phy_if;
	u32 if_support;
	int q_num;
	int vf_id;
	unsigned long coal_last_jiffies;
	u32 coal_param;		/* self adapt coalesce param */
	/* the ring index of last ring that set coal param */
	u32 coal_ring_idx;
	u32 eport_id;
	u32 dport_id;	/* v2 tx bd should fill the dport_id */
	bool coal_adapt_en;
	enum hnae_port_type port_type;
	enum hnae_media_type media_type;
	struct list_head node;    /* list to hnae_ae_dev->handle_list */
	struct hnae_buf_ops *bops; /* operation for the buffer */
	struct hnae_queue **qs;  /* array base of all queues */
};

#define ring_to_dev(ring) ((ring)->q->dev->dev)

struct hnae_handle *hnae_get_handle(struct device *owner_dev,
				    const struct fwnode_handle	*fwnode,
				    u32 port_id,
				    struct hnae_buf_ops *bops);

void hnae_put_handle(struct hnae_handle *handle);
int hnae_ae_register(struct hnae_ae_dev *dev, struct module *owner);
void hnae_ae_unregister(struct hnae_ae_dev *dev);

int hnae_register_notifier(struct notifier_block *nb);
void hnae_unregister_notifier(struct notifier_block *nb);
int hnae_reinit_handle(struct hnae_handle *handle);

#define hnae_queue_xmit(q, buf_num) writel_relaxed(buf_num, \
	(q)->tx_ring.io_base + RCB_REG_TAIL)

#ifndef assert
#define assert(cond)
#endif

static inline int hnae_reserve_buffer_map(struct hnae_ring *ring,
					  struct hnae_desc_cb *cb)
{
	struct hnae_buf_ops *bops = ring->q->handle->bops;
	int ret;

	ret = bops->alloc_buffer(ring, cb);
	if (ret)
		goto out;

	ret = bops->map_buffer(ring, cb);
	if (ret)
		goto out_with_buf;

	return 0;

out_with_buf:
	bops->free_buffer(ring, cb);
out:
	return ret;
}

static inline int hnae_alloc_buffer_attach(struct hnae_ring *ring, int i)
{
	int ret = hnae_reserve_buffer_map(ring, &ring->desc_cb[i]);

	if (ret)
		return ret;

	ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma);

	return 0;
}

static inline void hnae_buffer_detach(struct hnae_ring *ring, int i)
{
	ring->q->handle->bops->unmap_buffer(ring, &ring->desc_cb[i]);
	ring->desc[i].addr = 0;
}

static inline void hnae_free_buffer_detach(struct hnae_ring *ring, int i)
{
	struct hnae_buf_ops *bops = ring->q->handle->bops;
	struct hnae_desc_cb *cb = &ring->desc_cb[i];

	if (!ring->desc_cb[i].dma)
		return;

	hnae_buffer_detach(ring, i);
	bops->free_buffer(ring, cb);
}

/* detach a in-used buffer and replace with a reserved one  */
static inline void hnae_replace_buffer(struct hnae_ring *ring, int i,
				       struct hnae_desc_cb *res_cb)
{
	struct hnae_buf_ops *bops = ring->q->handle->bops;

	bops->unmap_buffer(ring, &ring->desc_cb[i]);
	ring->desc_cb[i] = *res_cb;
	ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma);
	ring->desc[i].rx.ipoff_bnum_pid_flag = 0;
}

static inline void hnae_reuse_buffer(struct hnae_ring *ring, int i)
{
	ring->desc_cb[i].reuse_flag = 0;
	ring->desc[i].addr = cpu_to_le64(ring->desc_cb[i].dma
		+ ring->desc_cb[i].page_offset);
	ring->desc[i].rx.ipoff_bnum_pid_flag = 0;
}

/* when reinit buffer size, we should reinit buffer description */
static inline void hnae_reinit_all_ring_desc(struct hnae_handle *h)
{
	int i, j;
	struct hnae_ring *ring;

	for (i = 0; i < h->q_num; i++) {
		ring = &h->qs[i]->rx_ring;
		for (j = 0; j < ring->desc_num; j++)
			ring->desc[j].addr = cpu_to_le64(ring->desc_cb[j].dma);
	}

	wmb();	/* commit all data before submit */
}

/* when reinit buffer size, we should reinit page offset */
static inline void hnae_reinit_all_ring_page_off(struct hnae_handle *h)
{
	int i, j;
	struct hnae_ring *ring;

	for (i = 0; i < h->q_num; i++) {
		ring = &h->qs[i]->rx_ring;
		for (j = 0; j < ring->desc_num; j++) {
			ring->desc_cb[j].page_offset = 0;
			if (ring->desc[j].addr !=
			    cpu_to_le64(ring->desc_cb[j].dma))
				ring->desc[j].addr =
					cpu_to_le64(ring->desc_cb[j].dma);
		}
	}

	wmb();	/* commit all data before submit */
}

#define hnae_set_field(origin, mask, shift, val) \
	do { \
		(origin) &= (~(mask)); \
		(origin) |= ((val) << (shift)) & (mask); \
	} while (0)

#define hnae_set_bit(origin, shift, val) \
	hnae_set_field((origin), (0x1 << (shift)), (shift), (val))

#define hnae_get_field(origin, mask, shift) (((origin) & (mask)) >> (shift))

#define hnae_get_bit(origin, shift) \
	hnae_get_field((origin), (0x1 << (shift)), (shift))

#endif