xref: /dpdk/drivers/net/hns3/hns3_ethdev.h (revision 2c7845a7)
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 
47 #define HNS3_4_TCS			4
48 #define HNS3_8_TCS			8
49 
50 #define HNS3_MAX_PF_NUM			8
51 #define HNS3_UMV_TBL_SIZE		3072
52 #define HNS3_DEFAULT_UMV_SPACE_PER_PF \
53 	(HNS3_UMV_TBL_SIZE / HNS3_MAX_PF_NUM)
54 
55 #define HNS3_PF_CFG_BLOCK_SIZE		32
56 #define HNS3_PF_CFG_DESC_NUM \
57 	(HNS3_PF_CFG_BLOCK_SIZE / HNS3_CFG_RD_LEN_BYTES)
58 
59 #define HNS3_DEFAULT_ENABLE_PFC_NUM	0
60 
61 #define HNS3_INTR_UNREG_FAIL_RETRY_CNT	5
62 #define HNS3_INTR_UNREG_FAIL_DELAY_MS	500
63 
64 #define HNS3_QUIT_RESET_CNT		10
65 #define HNS3_QUIT_RESET_DELAY_MS	100
66 
67 #define HNS3_POLL_RESPONE_MS		1
68 
69 #define HNS3_MAX_USER_PRIO		8
70 #define HNS3_PG_NUM			4
71 enum hns3_fc_mode {
72 	HNS3_FC_NONE,
73 	HNS3_FC_RX_PAUSE,
74 	HNS3_FC_TX_PAUSE,
75 	HNS3_FC_FULL,
76 	HNS3_FC_DEFAULT
77 };
78 
79 #define HNS3_SCH_MODE_SP	0
80 #define HNS3_SCH_MODE_DWRR	1
81 struct hns3_pg_info {
82 	uint8_t pg_id;
83 	uint8_t pg_sch_mode;  /* 0: sp; 1: dwrr */
84 	uint8_t tc_bit_map;
85 	uint32_t bw_limit;
86 	uint8_t tc_dwrr[HNS3_MAX_TC_NUM];
87 };
88 
89 struct hns3_tc_info {
90 	uint8_t tc_id;
91 	uint8_t tc_sch_mode;  /* 0: sp; 1: dwrr */
92 	uint8_t pgid;
93 	uint32_t bw_limit;
94 	uint8_t up_to_tc_map; /* user priority maping on the TC */
95 };
96 
97 struct hns3_dcb_info {
98 	uint8_t num_tc;
99 	uint8_t num_pg;     /* It must be 1 if vNET-Base schd */
100 	uint8_t pg_dwrr[HNS3_PG_NUM];
101 	uint8_t prio_tc[HNS3_MAX_USER_PRIO];
102 	struct hns3_pg_info pg_info[HNS3_PG_NUM];
103 	struct hns3_tc_info tc_info[HNS3_MAX_TC_NUM];
104 	uint8_t hw_pfc_map; /* Allow for packet drop or not on this TC */
105 	uint8_t pfc_en; /* Pfc enabled or not for user priority */
106 };
107 
108 enum hns3_fc_status {
109 	HNS3_FC_STATUS_NONE,
110 	HNS3_FC_STATUS_MAC_PAUSE,
111 	HNS3_FC_STATUS_PFC,
112 };
113 
114 struct hns3_tc_queue_info {
115 	uint8_t	tqp_offset;     /* TQP offset from base TQP */
116 	uint8_t	tqp_count;      /* Total TQPs */
117 	uint8_t	tc;             /* TC index */
118 	bool enable;            /* If this TC is enable or not */
119 };
120 
121 struct hns3_cfg {
122 	uint8_t vmdq_vport_num;
123 	uint8_t tc_num;
124 	uint16_t tqp_desc_num;
125 	uint16_t rx_buf_len;
126 	uint16_t rss_size_max;
127 	uint8_t phy_addr;
128 	uint8_t media_type;
129 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
130 	uint8_t default_speed;
131 	uint32_t numa_node_map;
132 	uint8_t speed_ability;
133 	uint16_t umv_space;
134 };
135 
136 /* mac media type */
137 enum hns3_media_type {
138 	HNS3_MEDIA_TYPE_UNKNOWN,
139 	HNS3_MEDIA_TYPE_FIBER,
140 	HNS3_MEDIA_TYPE_COPPER,
141 	HNS3_MEDIA_TYPE_BACKPLANE,
142 	HNS3_MEDIA_TYPE_NONE,
143 };
144 
145 struct hns3_mac {
146 	uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
147 	bool default_addr_setted; /* whether default addr(mac_addr) is setted */
148 	uint8_t media_type;
149 	uint8_t phy_addr;
150 	uint8_t link_duplex  : 1; /* ETH_LINK_[HALF/FULL]_DUPLEX */
151 	uint8_t link_autoneg : 1; /* ETH_LINK_[AUTONEG/FIXED] */
152 	uint8_t link_status  : 1; /* ETH_LINK_[DOWN/UP] */
153 	uint32_t link_speed;      /* ETH_SPEED_NUM_ */
154 };
155 
156 
157 /* Primary process maintains driver state in main thread.
158  *
159  * +---------------+
160  * | UNINITIALIZED |<-----------+
161  * +---------------+		|
162  *	|.eth_dev_init		|.eth_dev_uninit
163  *	V			|
164  * +---------------+------------+
165  * |  INITIALIZED  |
166  * +---------------+<-----------<---------------+
167  *	|.dev_configure		|		|
168  *	V			|failed		|
169  * +---------------+------------+		|
170  * |  CONFIGURING  |				|
171  * +---------------+----+			|
172  *	|success	|			|
173  *	|		|		+---------------+
174  *	|		|		|    CLOSING    |
175  *	|		|		+---------------+
176  *	|		|			^
177  *	V		|.dev_configure		|
178  * +---------------+----+			|.dev_close
179  * |  CONFIGURED   |----------------------------+
180  * +---------------+<-----------+
181  *	|.dev_start		|
182  *	V			|
183  * +---------------+		|
184  * |   STARTING    |------------^
185  * +---------------+ failed	|
186  *	|success		|
187  *	|		+---------------+
188  *	|		|   STOPPING    |
189  *	|		+---------------+
190  *	|			^
191  *	V			|.dev_stop
192  * +---------------+------------+
193  * |    STARTED    |
194  * +---------------+
195  */
196 enum hns3_adapter_state {
197 	HNS3_NIC_UNINITIALIZED = 0,
198 	HNS3_NIC_INITIALIZED,
199 	HNS3_NIC_CONFIGURING,
200 	HNS3_NIC_CONFIGURED,
201 	HNS3_NIC_STARTING,
202 	HNS3_NIC_STARTED,
203 	HNS3_NIC_STOPPING,
204 	HNS3_NIC_CLOSING,
205 	HNS3_NIC_CLOSED,
206 	HNS3_NIC_REMOVED,
207 	HNS3_NIC_NSTATES
208 };
209 
210 /* Reset various stages, execute in order */
211 enum hns3_reset_stage {
212 	/* Stop query services, stop transceiver, disable MAC */
213 	RESET_STAGE_DOWN,
214 	/* Clear reset completion flags, disable send command */
215 	RESET_STAGE_PREWAIT,
216 	/* Inform IMP to start resetting */
217 	RESET_STAGE_REQ_HW_RESET,
218 	/* Waiting for hardware reset to complete */
219 	RESET_STAGE_WAIT,
220 	/* Reinitialize hardware */
221 	RESET_STAGE_DEV_INIT,
222 	/* Restore user settings and enable MAC */
223 	RESET_STAGE_RESTORE,
224 	/* Restart query services, start transceiver */
225 	RESET_STAGE_DONE,
226 	/* Not in reset state */
227 	RESET_STAGE_NONE,
228 };
229 
230 enum hns3_reset_level {
231 	HNS3_NONE_RESET,
232 	HNS3_VF_FUNC_RESET, /* A VF function reset */
233 	/*
234 	 * All VFs under a PF perform function reset.
235 	 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
236 	 * of the reset level and the one defined in kernel driver should be
237 	 * same.
238 	 */
239 	HNS3_VF_PF_FUNC_RESET = 2,
240 	/*
241 	 * All VFs under a PF perform FLR reset.
242 	 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
243 	 * of the reset level and the one defined in kernel driver should be
244 	 * same.
245 	 */
246 	HNS3_VF_FULL_RESET = 3,
247 	HNS3_FLR_RESET,     /* A VF perform FLR reset */
248 	/* All VFs under the rootport perform a global or IMP reset */
249 	HNS3_VF_RESET,
250 	HNS3_FUNC_RESET,    /* A PF function reset */
251 	/* All PFs under the rootport perform a global reset */
252 	HNS3_GLOBAL_RESET,
253 	HNS3_IMP_RESET,     /* All PFs under the rootport perform a IMP reset */
254 	HNS3_MAX_RESET
255 };
256 
257 enum hns3_wait_result {
258 	HNS3_WAIT_UNKNOWN,
259 	HNS3_WAIT_REQUEST,
260 	HNS3_WAIT_SUCCESS,
261 	HNS3_WAIT_TIMEOUT
262 };
263 
264 #define HNS3_RESET_SYNC_US 100000
265 
266 struct hns3_reset_stats {
267 	uint64_t request_cnt; /* Total request reset times */
268 	uint64_t global_cnt;  /* Total GLOBAL reset times */
269 	uint64_t imp_cnt;     /* Total IMP reset times */
270 	uint64_t exec_cnt;    /* Total reset executive times */
271 	uint64_t success_cnt; /* Total reset successful times */
272 	uint64_t fail_cnt;    /* Total reset failed times */
273 	uint64_t merge_cnt;   /* Total merged in high reset times */
274 };
275 
276 typedef bool (*check_completion_func)(struct hns3_hw *hw);
277 
278 struct hns3_wait_data {
279 	void *hns;
280 	uint64_t end_ms;
281 	uint64_t interval;
282 	int16_t count;
283 	enum hns3_wait_result result;
284 	check_completion_func check_completion;
285 };
286 
287 struct hns3_reset_ops {
288 	void (*reset_service)(void *arg);
289 	int (*stop_service)(struct hns3_adapter *hns);
290 	int (*prepare_reset)(struct hns3_adapter *hns);
291 	int (*wait_hardware_ready)(struct hns3_adapter *hns);
292 	int (*reinit_dev)(struct hns3_adapter *hns);
293 	int (*restore_conf)(struct hns3_adapter *hns);
294 	int (*start_service)(struct hns3_adapter *hns);
295 };
296 
297 enum hns3_schedule {
298 	SCHEDULE_NONE,
299 	SCHEDULE_PENDING,
300 	SCHEDULE_REQUESTED,
301 	SCHEDULE_DEFERRED,
302 };
303 
304 struct hns3_reset_data {
305 	enum hns3_reset_stage stage;
306 	rte_atomic16_t schedule;
307 	/* Reset flag, covering the entire reset process */
308 	rte_atomic16_t resetting;
309 	/* Used to disable sending cmds during reset */
310 	rte_atomic16_t disable_cmd;
311 	/* The reset level being processed */
312 	enum hns3_reset_level level;
313 	/* Reset level set, each bit represents a reset level */
314 	uint64_t pending;
315 	/* Request reset level set, from interrupt or mailbox */
316 	uint64_t request;
317 	int attempts; /* Reset failure retry */
318 	int retries;  /* Timeout failure retry in reset_post */
319 	/*
320 	 * At the time of global or IMP reset, the command cannot be sent to
321 	 * stop the tx/rx queues. Tx/Rx queues may be access mbuf during the
322 	 * reset process, so the mbuf is required to be released after the reset
323 	 * is completed.The mbuf_deferred_free is used to mark whether mbuf
324 	 * needs to be released.
325 	 */
326 	bool mbuf_deferred_free;
327 	struct timeval start_time;
328 	struct hns3_reset_stats stats;
329 	const struct hns3_reset_ops *ops;
330 	struct hns3_wait_data *wait_data;
331 };
332 
333 struct hns3_hw {
334 	struct rte_eth_dev_data *data;
335 	void *io_base;
336 	struct hns3_cmq cmq;
337 	struct hns3_mbx_resp_status mbx_resp; /* mailbox response */
338 	struct hns3_mbx_arq_ring arq;         /* mailbox async rx queue */
339 	pthread_t irq_thread_id;
340 	struct hns3_mac mac;
341 	unsigned int secondary_cnt; /* Number of secondary processes init'd. */
342 	struct hns3_tqp_stats tqp_stats;
343 	/* Include Mac stats | Rx stats | Tx stats */
344 	struct hns3_mac_stats mac_stats;
345 	uint32_t fw_version;
346 
347 	uint16_t num_msi;
348 	uint16_t total_tqps_num;    /* total task queue pairs of this PF */
349 	uint16_t tqps_num;          /* num task queue pairs of this function */
350 	uint16_t rss_size_max;      /* HW defined max RSS task queue */
351 	uint16_t rx_buf_len;
352 	uint16_t num_tx_desc;       /* desc num of per tx queue */
353 	uint16_t num_rx_desc;       /* desc num of per rx queue */
354 
355 	struct rte_ether_addr mc_addrs[HNS3_MC_MACADDR_NUM];
356 	int mc_addrs_num; /* Multicast mac addresses number */
357 
358 	/* The configuration info of RSS */
359 	struct hns3_rss_conf rss_info;
360 
361 	uint8_t num_tc;             /* Total number of enabled TCs */
362 	uint8_t hw_tc_map;
363 	enum hns3_fc_mode current_mode;
364 	enum hns3_fc_mode requested_mode;
365 	struct hns3_dcb_info dcb_info;
366 	enum hns3_fc_status current_fc_status; /* current flow control status */
367 	struct hns3_tc_queue_info tc_queue[HNS3_MAX_TC_NUM];
368 	uint16_t alloc_tqps;
369 	uint16_t alloc_rss_size;    /* Queue number per TC */
370 
371 	uint32_t flag;
372 	/*
373 	 * PMD setup and configuration is not thread safe. Since it is not
374 	 * performance sensitive, it is better to guarantee thread-safety
375 	 * and add device level lock. Adapter control operations which
376 	 * change its state should acquire the lock.
377 	 */
378 	rte_spinlock_t lock;
379 	enum hns3_adapter_state adapter_state;
380 	struct hns3_reset_data reset;
381 };
382 
383 #define HNS3_FLAG_TC_BASE_SCH_MODE		1
384 #define HNS3_FLAG_VNET_BASE_SCH_MODE		2
385 
386 struct hns3_err_msix_intr_stats {
387 	uint64_t mac_afifo_tnl_intr_cnt;
388 	uint64_t ppu_mpf_abnormal_intr_st2_cnt;
389 	uint64_t ssu_port_based_pf_intr_cnt;
390 	uint64_t ppp_pf_abnormal_intr_cnt;
391 	uint64_t ppu_pf_abnormal_intr_cnt;
392 };
393 
394 /* vlan entry information. */
395 struct hns3_user_vlan_table {
396 	LIST_ENTRY(hns3_user_vlan_table) next;
397 	bool hd_tbl_status;
398 	uint16_t vlan_id;
399 };
400 
401 struct hns3_port_base_vlan_config {
402 	uint16_t state;
403 	uint16_t pvid;
404 };
405 
406 /* Vlan tag configuration for RX direction */
407 struct hns3_rx_vtag_cfg {
408 	uint8_t rx_vlan_offload_en; /* Whether enable rx vlan offload */
409 	uint8_t strip_tag1_en;      /* Whether strip inner vlan tag */
410 	uint8_t strip_tag2_en;      /* Whether strip outer vlan tag */
411 	uint8_t vlan1_vlan_prionly; /* Inner VLAN Tag up to descriptor Enable */
412 	uint8_t vlan2_vlan_prionly; /* Outer VLAN Tag up to descriptor Enable */
413 };
414 
415 /* Vlan tag configuration for TX direction */
416 struct hns3_tx_vtag_cfg {
417 	bool accept_tag1;           /* Whether accept tag1 packet from host */
418 	bool accept_untag1;         /* Whether accept untag1 packet from host */
419 	bool accept_tag2;
420 	bool accept_untag2;
421 	bool insert_tag1_en;        /* Whether insert inner vlan tag */
422 	bool insert_tag2_en;        /* Whether insert outer vlan tag */
423 	uint16_t default_tag1;      /* The default inner vlan tag to insert */
424 	uint16_t default_tag2;      /* The default outer vlan tag to insert */
425 };
426 
427 struct hns3_vtag_cfg {
428 	struct hns3_rx_vtag_cfg rx_vcfg;
429 	struct hns3_tx_vtag_cfg tx_vcfg;
430 };
431 
432 /* Request types for IPC. */
433 enum hns3_mp_req_type {
434 	HNS3_MP_REQ_START_RXTX = 1,
435 	HNS3_MP_REQ_STOP_RXTX,
436 	HNS3_MP_REQ_MAX
437 };
438 
439 /* Pameters for IPC. */
440 struct hns3_mp_param {
441 	enum hns3_mp_req_type type;
442 	int port_id;
443 	int result;
444 };
445 
446 /* Request timeout for IPC. */
447 #define HNS3_MP_REQ_TIMEOUT_SEC 5
448 
449 /* Key string for IPC. */
450 #define HNS3_MP_NAME "net_hns3_mp"
451 
452 struct hns3_pf {
453 	struct hns3_adapter *adapter;
454 	bool is_main_pf;
455 
456 	uint32_t pkt_buf_size; /* Total pf buf size for tx/rx */
457 	uint32_t tx_buf_size; /* Tx buffer size for each TC */
458 	uint32_t dv_buf_size; /* Dv buffer size for each TC */
459 
460 	uint16_t mps; /* Max packet size */
461 
462 	uint8_t tx_sch_mode;
463 	uint8_t tc_max; /* max number of tc driver supported */
464 	uint8_t local_max_tc; /* max number of local tc */
465 	uint8_t pfc_max;
466 	uint8_t prio_tc[HNS3_MAX_USER_PRIO]; /* TC indexed by prio */
467 	uint16_t pause_time;
468 	bool support_fc_autoneg;       /* support FC autonegotiate */
469 
470 	uint16_t wanted_umv_size;
471 	uint16_t max_umv_size;
472 	uint16_t used_umv_size;
473 
474 	/* Statistics information for abnormal interrupt */
475 	struct hns3_err_msix_intr_stats abn_int_stats;
476 
477 	bool support_sfp_query;
478 
479 	struct hns3_vtag_cfg vtag_config;
480 	struct hns3_port_base_vlan_config port_base_vlan_cfg;
481 	LIST_HEAD(vlan_tbl, hns3_user_vlan_table) vlan_list;
482 
483 	struct hns3_fdir_info fdir; /* flow director info */
484 	LIST_HEAD(counters, hns3_flow_counter) flow_counters;
485 };
486 
487 struct hns3_vf {
488 	struct hns3_adapter *adapter;
489 };
490 
491 struct hns3_adapter {
492 	struct hns3_hw hw;
493 
494 	/* Specific for PF or VF */
495 	bool is_vf; /* false - PF, true - VF */
496 	union {
497 		struct hns3_pf pf;
498 		struct hns3_vf vf;
499 	};
500 };
501 
502 #define HNS3_DEV_SUPPORT_DCB_B			0x0
503 
504 #define hns3_dev_dcb_supported(hw) \
505 	hns3_get_bit((hw)->flag, HNS3_DEV_SUPPORT_DCB_B)
506 
507 #define HNS3_DEV_PRIVATE_TO_HW(adapter) \
508 	(&((struct hns3_adapter *)adapter)->hw)
509 #define HNS3_DEV_PRIVATE_TO_ADAPTER(adapter) \
510 	((struct hns3_adapter *)adapter)
511 #define HNS3_DEV_PRIVATE_TO_PF(adapter) \
512 	(&((struct hns3_adapter *)adapter)->pf)
513 #define HNS3VF_DEV_PRIVATE_TO_VF(adapter) \
514 	(&((struct hns3_adapter *)adapter)->vf)
515 #define HNS3_DEV_HW_TO_ADAPTER(hw) \
516 	container_of(hw, struct hns3_adapter, hw)
517 
518 #define hns3_set_field(origin, mask, shift, val) \
519 	do { \
520 		(origin) &= (~(mask)); \
521 		(origin) |= ((val) << (shift)) & (mask); \
522 	} while (0)
523 #define hns3_get_field(origin, mask, shift) \
524 	(((origin) & (mask)) >> (shift))
525 #define hns3_set_bit(origin, shift, val) \
526 	hns3_set_field((origin), (0x1UL << (shift)), (shift), (val))
527 #define hns3_get_bit(origin, shift) \
528 	hns3_get_field((origin), (0x1UL << (shift)), (shift))
529 
530 /*
531  * upper_32_bits - return bits 32-63 of a number
532  * A basic shift-right of a 64- or 32-bit quantity. Use this to suppress
533  * the "right shift count >= width of type" warning when that quantity is
534  * 32-bits.
535  */
536 #define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
537 
538 /* lower_32_bits - return bits 0-31 of a number */
539 #define lower_32_bits(n) ((uint32_t)(n))
540 
541 #define BIT(nr) (1UL << (nr))
542 
543 #define BITS_PER_LONG	(__SIZEOF_LONG__ * 8)
544 #define GENMASK(h, l) \
545 	(((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
546 
547 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
548 #define rounddown(x, y) ((x) - ((x) % (y)))
549 
550 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
551 
552 #define max_t(type, x, y) ({                    \
553 	type __max1 = (x);                      \
554 	type __max2 = (y);                      \
555 	__max1 > __max2 ? __max1 : __max2; })
556 
557 static inline void hns3_write_reg(void *base, uint32_t reg, uint32_t value)
558 {
559 	rte_write32(value, (volatile void *)((char *)base + reg));
560 }
561 
562 static inline uint32_t hns3_read_reg(void *base, uint32_t reg)
563 {
564 	return rte_read32((volatile void *)((char *)base + reg));
565 }
566 
567 #define hns3_write_dev(a, reg, value) \
568 	hns3_write_reg((a)->io_base, (reg), (value))
569 
570 #define hns3_read_dev(a, reg) \
571 	hns3_read_reg((a)->io_base, (reg))
572 
573 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
574 
575 #define NEXT_ITEM_OF_ACTION(act, actions, index)                        \
576 	do {								\
577 		act = (actions) + (index);				\
578 		while (act->type == RTE_FLOW_ACTION_TYPE_VOID) {	\
579 			(index)++;					\
580 			act = actions + index;				\
581 		}							\
582 	} while (0)
583 
584 #define MSEC_PER_SEC              1000L
585 #define USEC_PER_MSEC             1000L
586 
587 static inline uint64_t
588 get_timeofday_ms(void)
589 {
590 	struct timeval tv;
591 
592 	(void)gettimeofday(&tv, NULL);
593 
594 	return (uint64_t)tv.tv_sec * MSEC_PER_SEC + tv.tv_usec / USEC_PER_MSEC;
595 }
596 
597 static inline uint64_t
598 hns3_atomic_test_bit(unsigned int nr, volatile uint64_t *addr)
599 {
600 	uint64_t res;
601 
602 	res = (__atomic_load_n(addr, __ATOMIC_RELAXED) & (1UL << nr)) != 0;
603 	return res;
604 }
605 
606 static inline void
607 hns3_atomic_set_bit(unsigned int nr, volatile uint64_t *addr)
608 {
609 	__atomic_fetch_or(addr, (1UL << nr), __ATOMIC_RELAXED);
610 }
611 
612 static inline void
613 hns3_atomic_clear_bit(unsigned int nr, volatile uint64_t *addr)
614 {
615 	__atomic_fetch_and(addr, ~(1UL << nr), __ATOMIC_RELAXED);
616 }
617 
618 static inline int64_t
619 hns3_test_and_clear_bit(unsigned int nr, volatile uint64_t *addr)
620 {
621 	uint64_t mask = (1UL << nr);
622 
623 	return __atomic_fetch_and(addr, ~mask, __ATOMIC_RELAXED) & mask;
624 }
625 
626 int hns3_buffer_alloc(struct hns3_hw *hw);
627 int hns3_config_gro(struct hns3_hw *hw, bool en);
628 int hns3_dev_filter_ctrl(struct rte_eth_dev *dev,
629 			 enum rte_filter_type filter_type,
630 			 enum rte_filter_op filter_op, void *arg);
631 bool hns3_is_reset_pending(struct hns3_adapter *hns);
632 bool hns3vf_is_reset_pending(struct hns3_adapter *hns);
633 
634 static inline bool
635 is_reset_pending(struct hns3_adapter *hns)
636 {
637 	bool ret;
638 	if (hns->is_vf)
639 		ret = hns3vf_is_reset_pending(hns);
640 	else
641 		ret = hns3_is_reset_pending(hns);
642 	return ret;
643 }
644 
645 #endif /* _HNS3_ETHDEV_H_ */
646