xref: /dpdk/drivers/net/hns3/hns3_ethdev.h (revision bd711af3)
1 /* SPDX-License-Identifier: BSD-3-Clause
2  * Copyright(c) 2018-2019 Hisilicon Limited.
3  */
4 
5 #ifndef _HNS3_ETHDEV_H_
6 #define _HNS3_ETHDEV_H_
7 
8 #include <sys/time.h>
9 #include <rte_alarm.h>
10 
11 #include "hns3_cmd.h"
12 #include "hns3_mbx.h"
13 #include "hns3_rss.h"
14 #include "hns3_fdir.h"
15 #include "hns3_stats.h"
16 
17 /* Vendor ID */
18 #define PCI_VENDOR_ID_HUAWEI			0x19e5
19 
20 /* Device IDs */
21 #define HNS3_DEV_ID_GE				0xA220
22 #define HNS3_DEV_ID_25GE			0xA221
23 #define HNS3_DEV_ID_25GE_RDMA			0xA222
24 #define HNS3_DEV_ID_50GE_RDMA			0xA224
25 #define HNS3_DEV_ID_100G_RDMA_MACSEC		0xA226
26 #define HNS3_DEV_ID_100G_VF			0xA22E
27 #define HNS3_DEV_ID_100G_RDMA_PFC_VF		0xA22F
28 
29 #define HNS3_UC_MACADDR_NUM		128
30 #define HNS3_VF_UC_MACADDR_NUM		48
31 #define HNS3_MC_MACADDR_NUM		128
32 
33 #define HNS3_MAX_BD_SIZE		65535
34 #define HNS3_MAX_TX_BD_PER_PKT		8
35 #define HNS3_MAX_FRAME_LEN		9728
36 #define HNS3_MIN_FRAME_LEN		64
37 #define HNS3_VLAN_TAG_SIZE		4
38 #define HNS3_DEFAULT_RX_BUF_LEN		2048
39 
40 #define HNS3_ETH_OVERHEAD \
41 	(RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + HNS3_VLAN_TAG_SIZE * 2)
42 #define HNS3_PKTLEN_TO_MTU(pktlen)	((pktlen) - HNS3_ETH_OVERHEAD)
43 #define HNS3_MAX_MTU	(HNS3_MAX_FRAME_LEN - HNS3_ETH_OVERHEAD)
44 #define HNS3_DEFAULT_MTU		1500UL
45 #define HNS3_DEFAULT_FRAME_LEN		(HNS3_DEFAULT_MTU + HNS3_ETH_OVERHEAD)
46 #define HNS3_MIN_PKT_SIZE		60
47 
48 #define HNS3_4_TCS			4
49 #define HNS3_8_TCS			8
50 
51 #define HNS3_MAX_PF_NUM			8
52 #define HNS3_UMV_TBL_SIZE		3072
53 #define HNS3_DEFAULT_UMV_SPACE_PER_PF \
54 	(HNS3_UMV_TBL_SIZE / HNS3_MAX_PF_NUM)
55 
56 #define HNS3_PF_CFG_BLOCK_SIZE		32
57 #define HNS3_PF_CFG_DESC_NUM \
58 	(HNS3_PF_CFG_BLOCK_SIZE / HNS3_CFG_RD_LEN_BYTES)
59 
60 #define HNS3_DEFAULT_ENABLE_PFC_NUM	0
61 
62 #define HNS3_INTR_UNREG_FAIL_RETRY_CNT	5
63 #define HNS3_INTR_UNREG_FAIL_DELAY_MS	500
64 
65 #define HNS3_QUIT_RESET_CNT		10
66 #define HNS3_QUIT_RESET_DELAY_MS	100
67 
68 #define HNS3_POLL_RESPONE_MS		1
69 
70 #define HNS3_MAX_USER_PRIO		8
71 #define HNS3_PG_NUM			4
72 enum hns3_fc_mode {
73 	HNS3_FC_NONE,
74 	HNS3_FC_RX_PAUSE,
75 	HNS3_FC_TX_PAUSE,
76 	HNS3_FC_FULL,
77 	HNS3_FC_DEFAULT
78 };
79 
80 #define HNS3_SCH_MODE_SP	0
81 #define HNS3_SCH_MODE_DWRR	1
82 struct hns3_pg_info {
83 	uint8_t pg_id;
84 	uint8_t pg_sch_mode;  /* 0: sp; 1: dwrr */
85 	uint8_t tc_bit_map;
86 	uint32_t bw_limit;
87 	uint8_t tc_dwrr[HNS3_MAX_TC_NUM];
88 };
89 
90 struct hns3_tc_info {
91 	uint8_t tc_id;
92 	uint8_t tc_sch_mode;  /* 0: sp; 1: dwrr */
93 	uint8_t pgid;
94 	uint32_t bw_limit;
95 	uint8_t up_to_tc_map; /* user priority maping on the TC */
96 };
97 
98 struct hns3_dcb_info {
99 	uint8_t num_tc;
100 	uint8_t num_pg;     /* It must be 1 if vNET-Base schd */
101 	uint8_t pg_dwrr[HNS3_PG_NUM];
102 	uint8_t prio_tc[HNS3_MAX_USER_PRIO];
103 	struct hns3_pg_info pg_info[HNS3_PG_NUM];
104 	struct hns3_tc_info tc_info[HNS3_MAX_TC_NUM];
105 	uint8_t hw_pfc_map; /* Allow for packet drop or not on this TC */
106 	uint8_t pfc_en; /* Pfc enabled or not for user priority */
107 };
108 
109 enum hns3_fc_status {
110 	HNS3_FC_STATUS_NONE,
111 	HNS3_FC_STATUS_MAC_PAUSE,
112 	HNS3_FC_STATUS_PFC,
113 };
114 
115 struct hns3_tc_queue_info {
116 	uint8_t	tqp_offset;     /* TQP offset from base TQP */
117 	uint8_t	tqp_count;      /* Total TQPs */
118 	uint8_t	tc;             /* TC index */
119 	bool enable;            /* If this TC is enable or not */
120 };
121 
122 struct hns3_cfg {
123 	uint8_t vmdq_vport_num;
124 	uint8_t tc_num;
125 	uint16_t tqp_desc_num;
126 	uint16_t rx_buf_len;
127 	uint16_t rss_size_max;
128 	uint8_t phy_addr;
129 	uint8_t media_type;
130 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
131 	uint8_t default_speed;
132 	uint32_t numa_node_map;
133 	uint8_t speed_ability;
134 	uint16_t umv_space;
135 };
136 
137 /* mac media type */
138 enum hns3_media_type {
139 	HNS3_MEDIA_TYPE_UNKNOWN,
140 	HNS3_MEDIA_TYPE_FIBER,
141 	HNS3_MEDIA_TYPE_COPPER,
142 	HNS3_MEDIA_TYPE_BACKPLANE,
143 	HNS3_MEDIA_TYPE_NONE,
144 };
145 
146 struct hns3_mac {
147 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
148 	bool default_addr_setted; /* whether default addr(mac_addr) is setted */
149 	uint8_t media_type;
150 	uint8_t phy_addr;
151 	uint8_t link_duplex  : 1; /* ETH_LINK_[HALF/FULL]_DUPLEX */
152 	uint8_t link_autoneg : 1; /* ETH_LINK_[AUTONEG/FIXED] */
153 	uint8_t link_status  : 1; /* ETH_LINK_[DOWN/UP] */
154 	uint32_t link_speed;      /* ETH_SPEED_NUM_ */
155 };
156 
157 
158 /* Primary process maintains driver state in main thread.
159  *
160  * +---------------+
161  * | UNINITIALIZED |<-----------+
162  * +---------------+		|
163  *	|.eth_dev_init		|.eth_dev_uninit
164  *	V			|
165  * +---------------+------------+
166  * |  INITIALIZED  |
167  * +---------------+<-----------<---------------+
168  *	|.dev_configure		|		|
169  *	V			|failed		|
170  * +---------------+------------+		|
171  * |  CONFIGURING  |				|
172  * +---------------+----+			|
173  *	|success	|			|
174  *	|		|		+---------------+
175  *	|		|		|    CLOSING    |
176  *	|		|		+---------------+
177  *	|		|			^
178  *	V		|.dev_configure		|
179  * +---------------+----+			|.dev_close
180  * |  CONFIGURED   |----------------------------+
181  * +---------------+<-----------+
182  *	|.dev_start		|
183  *	V			|
184  * +---------------+		|
185  * |   STARTING    |------------^
186  * +---------------+ failed	|
187  *	|success		|
188  *	|		+---------------+
189  *	|		|   STOPPING    |
190  *	|		+---------------+
191  *	|			^
192  *	V			|.dev_stop
193  * +---------------+------------+
194  * |    STARTED    |
195  * +---------------+
196  */
197 enum hns3_adapter_state {
198 	HNS3_NIC_UNINITIALIZED = 0,
199 	HNS3_NIC_INITIALIZED,
200 	HNS3_NIC_CONFIGURING,
201 	HNS3_NIC_CONFIGURED,
202 	HNS3_NIC_STARTING,
203 	HNS3_NIC_STARTED,
204 	HNS3_NIC_STOPPING,
205 	HNS3_NIC_CLOSING,
206 	HNS3_NIC_CLOSED,
207 	HNS3_NIC_REMOVED,
208 	HNS3_NIC_NSTATES
209 };
210 
211 /* Reset various stages, execute in order */
212 enum hns3_reset_stage {
213 	/* Stop query services, stop transceiver, disable MAC */
214 	RESET_STAGE_DOWN,
215 	/* Clear reset completion flags, disable send command */
216 	RESET_STAGE_PREWAIT,
217 	/* Inform IMP to start resetting */
218 	RESET_STAGE_REQ_HW_RESET,
219 	/* Waiting for hardware reset to complete */
220 	RESET_STAGE_WAIT,
221 	/* Reinitialize hardware */
222 	RESET_STAGE_DEV_INIT,
223 	/* Restore user settings and enable MAC */
224 	RESET_STAGE_RESTORE,
225 	/* Restart query services, start transceiver */
226 	RESET_STAGE_DONE,
227 	/* Not in reset state */
228 	RESET_STAGE_NONE,
229 };
230 
231 enum hns3_reset_level {
232 	HNS3_NONE_RESET,
233 	HNS3_VF_FUNC_RESET, /* A VF function reset */
234 	/*
235 	 * All VFs under a PF perform function reset.
236 	 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
237 	 * of the reset level and the one defined in kernel driver should be
238 	 * same.
239 	 */
240 	HNS3_VF_PF_FUNC_RESET = 2,
241 	/*
242 	 * All VFs under a PF perform FLR reset.
243 	 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
244 	 * of the reset level and the one defined in kernel driver should be
245 	 * same.
246 	 */
247 	HNS3_VF_FULL_RESET = 3,
248 	HNS3_FLR_RESET,     /* A VF perform FLR reset */
249 	/* All VFs under the rootport perform a global or IMP reset */
250 	HNS3_VF_RESET,
251 	HNS3_FUNC_RESET,    /* A PF function reset */
252 	/* All PFs under the rootport perform a global reset */
253 	HNS3_GLOBAL_RESET,
254 	HNS3_IMP_RESET,     /* All PFs under the rootport perform a IMP reset */
255 	HNS3_MAX_RESET
256 };
257 
258 enum hns3_wait_result {
259 	HNS3_WAIT_UNKNOWN,
260 	HNS3_WAIT_REQUEST,
261 	HNS3_WAIT_SUCCESS,
262 	HNS3_WAIT_TIMEOUT
263 };
264 
265 #define HNS3_RESET_SYNC_US 100000
266 
267 struct hns3_reset_stats {
268 	uint64_t request_cnt; /* Total request reset times */
269 	uint64_t global_cnt;  /* Total GLOBAL reset times */
270 	uint64_t imp_cnt;     /* Total IMP reset times */
271 	uint64_t exec_cnt;    /* Total reset executive times */
272 	uint64_t success_cnt; /* Total reset successful times */
273 	uint64_t fail_cnt;    /* Total reset failed times */
274 	uint64_t merge_cnt;   /* Total merged in high reset times */
275 };
276 
277 typedef bool (*check_completion_func)(struct hns3_hw *hw);
278 
279 struct hns3_wait_data {
280 	void *hns;
281 	uint64_t end_ms;
282 	uint64_t interval;
283 	int16_t count;
284 	enum hns3_wait_result result;
285 	check_completion_func check_completion;
286 };
287 
288 struct hns3_reset_ops {
289 	void (*reset_service)(void *arg);
290 	int (*stop_service)(struct hns3_adapter *hns);
291 	int (*prepare_reset)(struct hns3_adapter *hns);
292 	int (*wait_hardware_ready)(struct hns3_adapter *hns);
293 	int (*reinit_dev)(struct hns3_adapter *hns);
294 	int (*restore_conf)(struct hns3_adapter *hns);
295 	int (*start_service)(struct hns3_adapter *hns);
296 };
297 
298 enum hns3_schedule {
299 	SCHEDULE_NONE,
300 	SCHEDULE_PENDING,
301 	SCHEDULE_REQUESTED,
302 	SCHEDULE_DEFERRED,
303 };
304 
305 struct hns3_reset_data {
306 	enum hns3_reset_stage stage;
307 	rte_atomic16_t schedule;
308 	/* Reset flag, covering the entire reset process */
309 	rte_atomic16_t resetting;
310 	/* Used to disable sending cmds during reset */
311 	rte_atomic16_t disable_cmd;
312 	/* The reset level being processed */
313 	enum hns3_reset_level level;
314 	/* Reset level set, each bit represents a reset level */
315 	uint64_t pending;
316 	/* Request reset level set, from interrupt or mailbox */
317 	uint64_t request;
318 	int attempts; /* Reset failure retry */
319 	int retries;  /* Timeout failure retry in reset_post */
320 	/*
321 	 * At the time of global or IMP reset, the command cannot be sent to
322 	 * stop the tx/rx queues. Tx/Rx queues may be access mbuf during the
323 	 * reset process, so the mbuf is required to be released after the reset
324 	 * is completed.The mbuf_deferred_free is used to mark whether mbuf
325 	 * needs to be released.
326 	 */
327 	bool mbuf_deferred_free;
328 	struct timeval start_time;
329 	struct hns3_reset_stats stats;
330 	const struct hns3_reset_ops *ops;
331 	struct hns3_wait_data *wait_data;
332 };
333 
334 struct hns3_hw {
335 	struct rte_eth_dev_data *data;
336 	void *io_base;
337 	struct hns3_cmq cmq;
338 	struct hns3_mbx_resp_status mbx_resp; /* mailbox response */
339 	struct hns3_mbx_arq_ring arq;         /* mailbox async rx queue */
340 	pthread_t irq_thread_id;
341 	struct hns3_mac mac;
342 	unsigned int secondary_cnt; /* Number of secondary processes init'd. */
343 	struct hns3_tqp_stats tqp_stats;
344 	/* Include Mac stats | Rx stats | Tx stats */
345 	struct hns3_mac_stats mac_stats;
346 	uint32_t fw_version;
347 
348 	uint16_t num_msi;
349 	uint16_t total_tqps_num;    /* total task queue pairs of this PF */
350 	uint16_t tqps_num;          /* num task queue pairs of this function */
351 	uint16_t rss_size_max;      /* HW defined max RSS task queue */
352 	uint16_t rx_buf_len;
353 	uint16_t num_tx_desc;       /* desc num of per tx queue */
354 	uint16_t num_rx_desc;       /* desc num of per rx queue */
355 
356 	struct rte_ether_addr mc_addrs[HNS3_MC_MACADDR_NUM];
357 	int mc_addrs_num; /* Multicast mac addresses number */
358 
359 	/* The configuration info of RSS */
360 	struct hns3_rss_conf rss_info;
361 
362 	uint8_t num_tc;             /* Total number of enabled TCs */
363 	uint8_t hw_tc_map;
364 	enum hns3_fc_mode current_mode;
365 	enum hns3_fc_mode requested_mode;
366 	struct hns3_dcb_info dcb_info;
367 	enum hns3_fc_status current_fc_status; /* current flow control status */
368 	struct hns3_tc_queue_info tc_queue[HNS3_MAX_TC_NUM];
369 	uint16_t alloc_tqps;
370 	uint16_t alloc_rss_size;    /* Queue number per TC */
371 
372 	uint32_t flag;
373 	/*
374 	 * PMD setup and configuration is not thread safe. Since it is not
375 	 * performance sensitive, it is better to guarantee thread-safety
376 	 * and add device level lock. Adapter control operations which
377 	 * change its state should acquire the lock.
378 	 */
379 	rte_spinlock_t lock;
380 	enum hns3_adapter_state adapter_state;
381 	struct hns3_reset_data reset;
382 };
383 
384 #define HNS3_FLAG_TC_BASE_SCH_MODE		1
385 #define HNS3_FLAG_VNET_BASE_SCH_MODE		2
386 
387 struct hns3_err_msix_intr_stats {
388 	uint64_t mac_afifo_tnl_intr_cnt;
389 	uint64_t ppu_mpf_abnormal_intr_st2_cnt;
390 	uint64_t ssu_port_based_pf_intr_cnt;
391 	uint64_t ppp_pf_abnormal_intr_cnt;
392 	uint64_t ppu_pf_abnormal_intr_cnt;
393 };
394 
395 /* vlan entry information. */
396 struct hns3_user_vlan_table {
397 	LIST_ENTRY(hns3_user_vlan_table) next;
398 	bool hd_tbl_status;
399 	uint16_t vlan_id;
400 };
401 
402 struct hns3_port_base_vlan_config {
403 	uint16_t state;
404 	uint16_t pvid;
405 };
406 
407 /* Vlan tag configuration for RX direction */
408 struct hns3_rx_vtag_cfg {
409 	uint8_t rx_vlan_offload_en; /* Whether enable rx vlan offload */
410 	uint8_t strip_tag1_en;      /* Whether strip inner vlan tag */
411 	uint8_t strip_tag2_en;      /* Whether strip outer vlan tag */
412 	uint8_t vlan1_vlan_prionly; /* Inner VLAN Tag up to descriptor Enable */
413 	uint8_t vlan2_vlan_prionly; /* Outer VLAN Tag up to descriptor Enable */
414 };
415 
416 /* Vlan tag configuration for TX direction */
417 struct hns3_tx_vtag_cfg {
418 	bool accept_tag1;           /* Whether accept tag1 packet from host */
419 	bool accept_untag1;         /* Whether accept untag1 packet from host */
420 	bool accept_tag2;
421 	bool accept_untag2;
422 	bool insert_tag1_en;        /* Whether insert inner vlan tag */
423 	bool insert_tag2_en;        /* Whether insert outer vlan tag */
424 	uint16_t default_tag1;      /* The default inner vlan tag to insert */
425 	uint16_t default_tag2;      /* The default outer vlan tag to insert */
426 };
427 
428 struct hns3_vtag_cfg {
429 	struct hns3_rx_vtag_cfg rx_vcfg;
430 	struct hns3_tx_vtag_cfg tx_vcfg;
431 };
432 
433 /* Request types for IPC. */
434 enum hns3_mp_req_type {
435 	HNS3_MP_REQ_START_RXTX = 1,
436 	HNS3_MP_REQ_STOP_RXTX,
437 	HNS3_MP_REQ_MAX
438 };
439 
440 /* Pameters for IPC. */
441 struct hns3_mp_param {
442 	enum hns3_mp_req_type type;
443 	int port_id;
444 	int result;
445 };
446 
447 /* Request timeout for IPC. */
448 #define HNS3_MP_REQ_TIMEOUT_SEC 5
449 
450 /* Key string for IPC. */
451 #define HNS3_MP_NAME "net_hns3_mp"
452 
453 struct hns3_pf {
454 	struct hns3_adapter *adapter;
455 	bool is_main_pf;
456 
457 	uint32_t pkt_buf_size; /* Total pf buf size for tx/rx */
458 	uint32_t tx_buf_size; /* Tx buffer size for each TC */
459 	uint32_t dv_buf_size; /* Dv buffer size for each TC */
460 
461 	uint16_t mps; /* Max packet size */
462 
463 	uint8_t tx_sch_mode;
464 	uint8_t tc_max; /* max number of tc driver supported */
465 	uint8_t local_max_tc; /* max number of local tc */
466 	uint8_t pfc_max;
467 	uint8_t prio_tc[HNS3_MAX_USER_PRIO]; /* TC indexed by prio */
468 	uint16_t pause_time;
469 	bool support_fc_autoneg;       /* support FC autonegotiate */
470 
471 	uint16_t wanted_umv_size;
472 	uint16_t max_umv_size;
473 	uint16_t used_umv_size;
474 
475 	/* Statistics information for abnormal interrupt */
476 	struct hns3_err_msix_intr_stats abn_int_stats;
477 
478 	bool support_sfp_query;
479 
480 	struct hns3_vtag_cfg vtag_config;
481 	struct hns3_port_base_vlan_config port_base_vlan_cfg;
482 	LIST_HEAD(vlan_tbl, hns3_user_vlan_table) vlan_list;
483 
484 	struct hns3_fdir_info fdir; /* flow director info */
485 	LIST_HEAD(counters, hns3_flow_counter) flow_counters;
486 };
487 
488 struct hns3_vf {
489 	struct hns3_adapter *adapter;
490 };
491 
492 struct hns3_adapter {
493 	struct hns3_hw hw;
494 
495 	/* Specific for PF or VF */
496 	bool is_vf; /* false - PF, true - VF */
497 	union {
498 		struct hns3_pf pf;
499 		struct hns3_vf vf;
500 	};
501 };
502 
503 #define HNS3_DEV_SUPPORT_DCB_B			0x0
504 
505 #define hns3_dev_dcb_supported(hw) \
506 	hns3_get_bit((hw)->flag, HNS3_DEV_SUPPORT_DCB_B)
507 
508 #define HNS3_DEV_PRIVATE_TO_HW(adapter) \
509 	(&((struct hns3_adapter *)adapter)->hw)
510 #define HNS3_DEV_PRIVATE_TO_ADAPTER(adapter) \
511 	((struct hns3_adapter *)adapter)
512 #define HNS3_DEV_PRIVATE_TO_PF(adapter) \
513 	(&((struct hns3_adapter *)adapter)->pf)
514 #define HNS3VF_DEV_PRIVATE_TO_VF(adapter) \
515 	(&((struct hns3_adapter *)adapter)->vf)
516 #define HNS3_DEV_HW_TO_ADAPTER(hw) \
517 	container_of(hw, struct hns3_adapter, hw)
518 
519 #define hns3_set_field(origin, mask, shift, val) \
520 	do { \
521 		(origin) &= (~(mask)); \
522 		(origin) |= ((val) << (shift)) & (mask); \
523 	} while (0)
524 #define hns3_get_field(origin, mask, shift) \
525 	(((origin) & (mask)) >> (shift))
526 #define hns3_set_bit(origin, shift, val) \
527 	hns3_set_field((origin), (0x1UL << (shift)), (shift), (val))
528 #define hns3_get_bit(origin, shift) \
529 	hns3_get_field((origin), (0x1UL << (shift)), (shift))
530 
531 /*
532  * upper_32_bits - return bits 32-63 of a number
533  * A basic shift-right of a 64- or 32-bit quantity. Use this to suppress
534  * the "right shift count >= width of type" warning when that quantity is
535  * 32-bits.
536  */
537 #define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
538 
539 /* lower_32_bits - return bits 0-31 of a number */
540 #define lower_32_bits(n) ((uint32_t)(n))
541 
542 #define BIT(nr) (1UL << (nr))
543 
544 #define BITS_PER_LONG	(__SIZEOF_LONG__ * 8)
545 #define GENMASK(h, l) \
546 	(((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
547 
548 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
549 #define rounddown(x, y) ((x) - ((x) % (y)))
550 
551 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
552 
553 #define max_t(type, x, y) ({                    \
554 	type __max1 = (x);                      \
555 	type __max2 = (y);                      \
556 	__max1 > __max2 ? __max1 : __max2; })
557 
558 static inline void hns3_write_reg(void *base, uint32_t reg, uint32_t value)
559 {
560 	rte_write32(value, (volatile void *)((char *)base + reg));
561 }
562 
563 static inline uint32_t hns3_read_reg(void *base, uint32_t reg)
564 {
565 	return rte_read32((volatile void *)((char *)base + reg));
566 }
567 
568 #define hns3_write_dev(a, reg, value) \
569 	hns3_write_reg((a)->io_base, (reg), (value))
570 
571 #define hns3_read_dev(a, reg) \
572 	hns3_read_reg((a)->io_base, (reg))
573 
574 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
575 
576 #define NEXT_ITEM_OF_ACTION(act, actions, index)                        \
577 	do {								\
578 		act = (actions) + (index);				\
579 		while (act->type == RTE_FLOW_ACTION_TYPE_VOID) {	\
580 			(index)++;					\
581 			act = actions + index;				\
582 		}							\
583 	} while (0)
584 
585 #define MSEC_PER_SEC              1000L
586 #define USEC_PER_MSEC             1000L
587 
588 static inline uint64_t
589 get_timeofday_ms(void)
590 {
591 	struct timeval tv;
592 
593 	(void)gettimeofday(&tv, NULL);
594 
595 	return (uint64_t)tv.tv_sec * MSEC_PER_SEC + tv.tv_usec / USEC_PER_MSEC;
596 }
597 
598 static inline uint64_t
599 hns3_atomic_test_bit(unsigned int nr, volatile uint64_t *addr)
600 {
601 	uint64_t res;
602 
603 	res = (__atomic_load_n(addr, __ATOMIC_RELAXED) & (1UL << nr)) != 0;
604 	return res;
605 }
606 
607 static inline void
608 hns3_atomic_set_bit(unsigned int nr, volatile uint64_t *addr)
609 {
610 	__atomic_fetch_or(addr, (1UL << nr), __ATOMIC_RELAXED);
611 }
612 
613 static inline void
614 hns3_atomic_clear_bit(unsigned int nr, volatile uint64_t *addr)
615 {
616 	__atomic_fetch_and(addr, ~(1UL << nr), __ATOMIC_RELAXED);
617 }
618 
619 static inline int64_t
620 hns3_test_and_clear_bit(unsigned int nr, volatile uint64_t *addr)
621 {
622 	uint64_t mask = (1UL << nr);
623 
624 	return __atomic_fetch_and(addr, ~mask, __ATOMIC_RELAXED) & mask;
625 }
626 
627 int hns3_buffer_alloc(struct hns3_hw *hw);
628 int hns3_config_gro(struct hns3_hw *hw, bool en);
629 int hns3_dev_filter_ctrl(struct rte_eth_dev *dev,
630 			 enum rte_filter_type filter_type,
631 			 enum rte_filter_op filter_op, void *arg);
632 bool hns3_is_reset_pending(struct hns3_adapter *hns);
633 bool hns3vf_is_reset_pending(struct hns3_adapter *hns);
634 
635 static inline bool
636 is_reset_pending(struct hns3_adapter *hns)
637 {
638 	bool ret;
639 	if (hns->is_vf)
640 		ret = hns3vf_is_reset_pending(hns);
641 	else
642 		ret = hns3_is_reset_pending(hns);
643 	return ret;
644 }
645 
646 #endif /* _HNS3_ETHDEV_H_ */
647