1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018-2019 Hisilicon Limited.
5 #ifndef _HNS3_ETHDEV_H_
6 #define _HNS3_ETHDEV_H_
14 #include "hns3_fdir.h"
15 #include "hns3_stats.h"
18 #define PCI_VENDOR_ID_HUAWEI 0x19e5
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_200G_RDMA 0xA228
27 #define HNS3_DEV_ID_100G_VF 0xA22E
28 #define HNS3_DEV_ID_100G_RDMA_PFC_VF 0xA22F
30 /* PCI Config offsets */
31 #define HNS3_PCI_REVISION_ID 0x08
32 #define HNS3_PCI_REVISION_ID_LEN 1
34 #define PCI_REVISION_ID_HIP08_B 0x21
35 #define PCI_REVISION_ID_HIP09_A 0x30
37 #define HNS3_PF_FUNC_ID 0
38 #define HNS3_1ST_VF_FUNC_ID 1
40 #define HNS3_UC_MACADDR_NUM 128
41 #define HNS3_VF_UC_MACADDR_NUM 48
42 #define HNS3_MC_MACADDR_NUM 128
44 #define HNS3_MAX_BD_SIZE 65535
45 #define HNS3_MAX_NON_TSO_BD_PER_PKT 8
46 #define HNS3_MAX_TSO_BD_PER_PKT 63
47 #define HNS3_MAX_FRAME_LEN 9728
48 #define HNS3_VLAN_TAG_SIZE 4
49 #define HNS3_DEFAULT_RX_BUF_LEN 2048
50 #define HNS3_MAX_BD_PAYLEN (1024 * 1024 - 1)
51 #define HNS3_MAX_TSO_HDR_SIZE 512
52 #define HNS3_MAX_TSO_HDR_BD_NUM 3
53 #define HNS3_MAX_LRO_SIZE 64512
55 #define HNS3_ETH_OVERHEAD \
56 (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + HNS3_VLAN_TAG_SIZE * 2)
57 #define HNS3_PKTLEN_TO_MTU(pktlen) ((pktlen) - HNS3_ETH_OVERHEAD)
58 #define HNS3_MAX_MTU (HNS3_MAX_FRAME_LEN - HNS3_ETH_OVERHEAD)
59 #define HNS3_DEFAULT_MTU 1500UL
60 #define HNS3_DEFAULT_FRAME_LEN (HNS3_DEFAULT_MTU + HNS3_ETH_OVERHEAD)
61 #define HNS3_MIN_PKT_SIZE 60
66 #define HNS3_MAX_PF_NUM 8
67 #define HNS3_UMV_TBL_SIZE 3072
68 #define HNS3_DEFAULT_UMV_SPACE_PER_PF \
69 (HNS3_UMV_TBL_SIZE / HNS3_MAX_PF_NUM)
71 #define HNS3_PF_CFG_BLOCK_SIZE 32
72 #define HNS3_PF_CFG_DESC_NUM \
73 (HNS3_PF_CFG_BLOCK_SIZE / HNS3_CFG_RD_LEN_BYTES)
75 #define HNS3_DEFAULT_ENABLE_PFC_NUM 0
77 #define HNS3_INTR_UNREG_FAIL_RETRY_CNT 5
78 #define HNS3_INTR_UNREG_FAIL_DELAY_MS 500
80 #define HNS3_QUIT_RESET_CNT 10
81 #define HNS3_QUIT_RESET_DELAY_MS 100
83 #define HNS3_POLL_RESPONE_MS 1
85 #define HNS3_MAX_USER_PRIO 8
95 #define HNS3_SCH_MODE_SP 0
96 #define HNS3_SCH_MODE_DWRR 1
99 uint8_t pg_sch_mode; /* 0: sp; 1: dwrr */
102 uint8_t tc_dwrr[HNS3_MAX_TC_NUM];
105 struct hns3_tc_info {
107 uint8_t tc_sch_mode; /* 0: sp; 1: dwrr */
110 uint8_t up_to_tc_map; /* user priority maping on the TC */
113 struct hns3_dcb_info {
115 uint8_t num_pg; /* It must be 1 if vNET-Base schd */
116 uint8_t pg_dwrr[HNS3_PG_NUM];
117 uint8_t prio_tc[HNS3_MAX_USER_PRIO];
118 struct hns3_pg_info pg_info[HNS3_PG_NUM];
119 struct hns3_tc_info tc_info[HNS3_MAX_TC_NUM];
120 uint8_t hw_pfc_map; /* Allow for packet drop or not on this TC */
121 uint8_t pfc_en; /* Pfc enabled or not for user priority */
124 enum hns3_fc_status {
126 HNS3_FC_STATUS_MAC_PAUSE,
130 struct hns3_tc_queue_info {
131 uint8_t tqp_offset; /* TQP offset from base TQP */
132 uint8_t tqp_count; /* Total TQPs */
133 uint8_t tc; /* TC index */
134 bool enable; /* If this TC is enable or not */
138 uint8_t vmdq_vport_num;
140 uint16_t tqp_desc_num;
142 uint16_t rss_size_max;
145 uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
146 uint8_t default_speed;
147 uint32_t numa_node_map;
148 uint8_t speed_ability;
153 enum hns3_media_type {
154 HNS3_MEDIA_TYPE_UNKNOWN,
155 HNS3_MEDIA_TYPE_FIBER,
156 HNS3_MEDIA_TYPE_COPPER,
157 HNS3_MEDIA_TYPE_BACKPLANE,
158 HNS3_MEDIA_TYPE_NONE,
162 uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
163 bool default_addr_setted; /* whether default addr(mac_addr) is setted */
166 uint8_t link_duplex : 1; /* ETH_LINK_[HALF/FULL]_DUPLEX */
167 uint8_t link_autoneg : 1; /* ETH_LINK_[AUTONEG/FIXED] */
168 uint8_t link_status : 1; /* ETH_LINK_[DOWN/UP] */
169 uint32_t link_speed; /* ETH_SPEED_NUM_ */
172 struct hns3_fake_queue_data {
173 void **rx_queues; /* Array of pointers to fake RX queues. */
174 void **tx_queues; /* Array of pointers to fake TX queues. */
175 uint16_t nb_fake_rx_queues; /* Number of fake RX queues. */
176 uint16_t nb_fake_tx_queues; /* Number of fake TX queues. */
179 #define HNS3_PORT_BASE_VLAN_DISABLE 0
180 #define HNS3_PORT_BASE_VLAN_ENABLE 1
181 struct hns3_port_base_vlan_config {
186 /* Primary process maintains driver state in main thread.
189 * | UNINITIALIZED |<-----------+
190 * +---------------+ |
191 * |.eth_dev_init |.eth_dev_uninit
193 * +---------------+------------+
195 * +---------------+<-----------<---------------+
196 * |.dev_configure | |
198 * +---------------+------------+ |
200 * +---------------+----+ |
202 * | | +---------------+
204 * | | +---------------+
206 * V |.dev_configure |
207 * +---------------+----+ |.dev_close
208 * | CONFIGURED |----------------------------+
209 * +---------------+<-----------+
212 * +---------------+ |
213 * | STARTING |------------^
214 * +---------------+ failed |
216 * | +---------------+
218 * | +---------------+
221 * +---------------+------------+
225 enum hns3_adapter_state {
226 HNS3_NIC_UNINITIALIZED = 0,
227 HNS3_NIC_INITIALIZED,
228 HNS3_NIC_CONFIGURING,
239 /* Reset various stages, execute in order */
240 enum hns3_reset_stage {
241 /* Stop query services, stop transceiver, disable MAC */
243 /* Clear reset completion flags, disable send command */
245 /* Inform IMP to start resetting */
246 RESET_STAGE_REQ_HW_RESET,
247 /* Waiting for hardware reset to complete */
249 /* Reinitialize hardware */
250 RESET_STAGE_DEV_INIT,
251 /* Restore user settings and enable MAC */
253 /* Restart query services, start transceiver */
255 /* Not in reset state */
259 enum hns3_reset_level {
261 HNS3_VF_FUNC_RESET, /* A VF function reset */
263 * All VFs under a PF perform function reset.
264 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
265 * of the reset level and the one defined in kernel driver should be
268 HNS3_VF_PF_FUNC_RESET = 2,
270 * All VFs under a PF perform FLR reset.
271 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
272 * of the reset level and the one defined in kernel driver should be
275 HNS3_VF_FULL_RESET = 3,
276 HNS3_FLR_RESET, /* A VF perform FLR reset */
277 /* All VFs under the rootport perform a global or IMP reset */
279 HNS3_FUNC_RESET, /* A PF function reset */
280 /* All PFs under the rootport perform a global reset */
282 HNS3_IMP_RESET, /* All PFs under the rootport perform a IMP reset */
286 enum hns3_wait_result {
293 #define HNS3_RESET_SYNC_US 100000
295 struct hns3_reset_stats {
296 uint64_t request_cnt; /* Total request reset times */
297 uint64_t global_cnt; /* Total GLOBAL reset times */
298 uint64_t imp_cnt; /* Total IMP reset times */
299 uint64_t exec_cnt; /* Total reset executive times */
300 uint64_t success_cnt; /* Total reset successful times */
301 uint64_t fail_cnt; /* Total reset failed times */
302 uint64_t merge_cnt; /* Total merged in high reset times */
305 typedef bool (*check_completion_func)(struct hns3_hw *hw);
307 struct hns3_wait_data {
312 enum hns3_wait_result result;
313 check_completion_func check_completion;
316 struct hns3_reset_ops {
317 void (*reset_service)(void *arg);
318 int (*stop_service)(struct hns3_adapter *hns);
319 int (*prepare_reset)(struct hns3_adapter *hns);
320 int (*wait_hardware_ready)(struct hns3_adapter *hns);
321 int (*reinit_dev)(struct hns3_adapter *hns);
322 int (*restore_conf)(struct hns3_adapter *hns);
323 int (*start_service)(struct hns3_adapter *hns);
333 struct hns3_reset_data {
334 enum hns3_reset_stage stage;
335 rte_atomic16_t schedule;
336 /* Reset flag, covering the entire reset process */
337 rte_atomic16_t resetting;
338 /* Used to disable sending cmds during reset */
339 rte_atomic16_t disable_cmd;
340 /* The reset level being processed */
341 enum hns3_reset_level level;
342 /* Reset level set, each bit represents a reset level */
344 /* Request reset level set, from interrupt or mailbox */
346 int attempts; /* Reset failure retry */
347 int retries; /* Timeout failure retry in reset_post */
349 * At the time of global or IMP reset, the command cannot be sent to
350 * stop the tx/rx queues. Tx/Rx queues may be access mbuf during the
351 * reset process, so the mbuf is required to be released after the reset
352 * is completed.The mbuf_deferred_free is used to mark whether mbuf
353 * needs to be released.
355 bool mbuf_deferred_free;
356 struct timeval start_time;
357 struct hns3_reset_stats stats;
358 const struct hns3_reset_ops *ops;
359 struct hns3_wait_data *wait_data;
363 struct rte_eth_dev_data *data;
365 uint8_t revision; /* PCI revision, low byte of class word */
367 struct hns3_mbx_resp_status mbx_resp; /* mailbox response */
368 struct hns3_mbx_arq_ring arq; /* mailbox async rx queue */
369 pthread_t irq_thread_id;
371 unsigned int secondary_cnt; /* Number of secondary processes init'd. */
372 struct hns3_tqp_stats tqp_stats;
373 /* Include Mac stats | Rx stats | Tx stats */
374 struct hns3_mac_stats mac_stats;
378 uint16_t total_tqps_num; /* total task queue pairs of this PF */
379 uint16_t tqps_num; /* num task queue pairs of this function */
380 uint16_t intr_tqps_num; /* num queue pairs mapping interrupt */
381 uint16_t rss_size_max; /* HW defined max RSS task queue */
382 uint16_t num_tx_desc; /* desc num of per tx queue */
383 uint16_t num_rx_desc; /* desc num of per rx queue */
385 struct rte_ether_addr mc_addrs[HNS3_MC_MACADDR_NUM];
386 int mc_addrs_num; /* Multicast mac addresses number */
388 /* The configuration info of RSS */
389 struct hns3_rss_conf rss_info;
390 bool rss_dis_flag; /* disable rss flag. true: disable, false: enable */
392 uint8_t num_tc; /* Total number of enabled TCs */
394 enum hns3_fc_mode current_mode;
395 enum hns3_fc_mode requested_mode;
396 struct hns3_dcb_info dcb_info;
397 enum hns3_fc_status current_fc_status; /* current flow control status */
398 struct hns3_tc_queue_info tc_queue[HNS3_MAX_TC_NUM];
399 uint16_t used_rx_queues;
400 uint16_t used_tx_queues;
402 /* Config max queue numbers between rx and tx queues from user */
403 uint16_t cfg_max_queues;
404 struct hns3_fake_queue_data fkq_data; /* fake queue data */
405 uint16_t alloc_rss_size; /* RX queue number per TC */
406 uint16_t tx_qnum_per_tc; /* TX queue number per TC */
410 struct hns3_port_base_vlan_config port_base_vlan_cfg;
412 * PMD setup and configuration is not thread safe. Since it is not
413 * performance sensitive, it is better to guarantee thread-safety
414 * and add device level lock. Adapter control operations which
415 * change its state should acquire the lock.
418 enum hns3_adapter_state adapter_state;
419 struct hns3_reset_data reset;
422 #define HNS3_FLAG_TC_BASE_SCH_MODE 1
423 #define HNS3_FLAG_VNET_BASE_SCH_MODE 2
425 struct hns3_err_msix_intr_stats {
426 uint64_t mac_afifo_tnl_intr_cnt;
427 uint64_t ppu_mpf_abnormal_intr_st2_cnt;
428 uint64_t ssu_port_based_pf_intr_cnt;
429 uint64_t ppp_pf_abnormal_intr_cnt;
430 uint64_t ppu_pf_abnormal_intr_cnt;
433 /* vlan entry information. */
434 struct hns3_user_vlan_table {
435 LIST_ENTRY(hns3_user_vlan_table) next;
440 /* Vlan tag configuration for RX direction */
441 struct hns3_rx_vtag_cfg {
442 uint8_t rx_vlan_offload_en; /* Whether enable rx vlan offload */
443 uint8_t strip_tag1_en; /* Whether strip inner vlan tag */
444 uint8_t strip_tag2_en; /* Whether strip outer vlan tag */
445 uint8_t vlan1_vlan_prionly; /* Inner VLAN Tag up to descriptor Enable */
446 uint8_t vlan2_vlan_prionly; /* Outer VLAN Tag up to descriptor Enable */
449 /* Vlan tag configuration for TX direction */
450 struct hns3_tx_vtag_cfg {
451 bool accept_tag1; /* Whether accept tag1 packet from host */
452 bool accept_untag1; /* Whether accept untag1 packet from host */
455 bool insert_tag1_en; /* Whether insert inner vlan tag */
456 bool insert_tag2_en; /* Whether insert outer vlan tag */
457 uint16_t default_tag1; /* The default inner vlan tag to insert */
458 uint16_t default_tag2; /* The default outer vlan tag to insert */
461 struct hns3_vtag_cfg {
462 struct hns3_rx_vtag_cfg rx_vcfg;
463 struct hns3_tx_vtag_cfg tx_vcfg;
466 /* Request types for IPC. */
467 enum hns3_mp_req_type {
468 HNS3_MP_REQ_START_RXTX = 1,
469 HNS3_MP_REQ_STOP_RXTX,
473 /* Pameters for IPC. */
474 struct hns3_mp_param {
475 enum hns3_mp_req_type type;
480 /* Request timeout for IPC. */
481 #define HNS3_MP_REQ_TIMEOUT_SEC 5
483 /* Key string for IPC. */
484 #define HNS3_MP_NAME "net_hns3_mp"
487 struct hns3_adapter *adapter;
489 uint16_t func_num; /* num functions of this pf, include pf and vfs */
491 uint32_t pkt_buf_size; /* Total pf buf size for tx/rx */
492 uint32_t tx_buf_size; /* Tx buffer size for each TC */
493 uint32_t dv_buf_size; /* Dv buffer size for each TC */
495 uint16_t mps; /* Max packet size */
498 uint8_t tc_max; /* max number of tc driver supported */
499 uint8_t local_max_tc; /* max number of local tc */
501 uint8_t prio_tc[HNS3_MAX_USER_PRIO]; /* TC indexed by prio */
503 bool support_fc_autoneg; /* support FC autonegotiate */
505 uint16_t wanted_umv_size;
506 uint16_t max_umv_size;
507 uint16_t used_umv_size;
509 /* Statistics information for abnormal interrupt */
510 struct hns3_err_msix_intr_stats abn_int_stats;
512 bool support_sfp_query;
514 struct hns3_vtag_cfg vtag_config;
515 LIST_HEAD(vlan_tbl, hns3_user_vlan_table) vlan_list;
517 struct hns3_fdir_info fdir; /* flow director info */
518 LIST_HEAD(counters, hns3_flow_counter) flow_counters;
522 struct hns3_adapter *adapter;
525 struct hns3_adapter {
528 /* Specific for PF or VF */
529 bool is_vf; /* false - PF, true - VF */
536 #define HNS3_DEV_SUPPORT_DCB_B 0x0
537 #define HNS3_DEV_SUPPORT_COPPER_B 0x1
539 #define hns3_dev_dcb_supported(hw) \
540 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_DCB_B)
542 #define hns3_dev_copper_supported(hw) \
543 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_COPPER_B)
545 #define HNS3_DEV_PRIVATE_TO_HW(adapter) \
546 (&((struct hns3_adapter *)adapter)->hw)
547 #define HNS3_DEV_PRIVATE_TO_ADAPTER(adapter) \
548 ((struct hns3_adapter *)adapter)
549 #define HNS3_DEV_PRIVATE_TO_PF(adapter) \
550 (&((struct hns3_adapter *)adapter)->pf)
551 #define HNS3VF_DEV_PRIVATE_TO_VF(adapter) \
552 (&((struct hns3_adapter *)adapter)->vf)
553 #define HNS3_DEV_HW_TO_ADAPTER(hw) \
554 container_of(hw, struct hns3_adapter, hw)
556 #define hns3_set_field(origin, mask, shift, val) \
558 (origin) &= (~(mask)); \
559 (origin) |= ((val) << (shift)) & (mask); \
561 #define hns3_get_field(origin, mask, shift) \
562 (((origin) & (mask)) >> (shift))
563 #define hns3_set_bit(origin, shift, val) \
564 hns3_set_field((origin), (0x1UL << (shift)), (shift), (val))
565 #define hns3_get_bit(origin, shift) \
566 hns3_get_field((origin), (0x1UL << (shift)), (shift))
569 * upper_32_bits - return bits 32-63 of a number
570 * A basic shift-right of a 64- or 32-bit quantity. Use this to suppress
571 * the "right shift count >= width of type" warning when that quantity is
574 #define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
576 /* lower_32_bits - return bits 0-31 of a number */
577 #define lower_32_bits(n) ((uint32_t)(n))
579 #define BIT(nr) (1UL << (nr))
581 #define BITS_PER_LONG (__SIZEOF_LONG__ * 8)
582 #define GENMASK(h, l) \
583 (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
585 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
586 #define rounddown(x, y) ((x) - ((x) % (y)))
588 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
590 #define max_t(type, x, y) ({ \
593 __max1 > __max2 ? __max1 : __max2; })
595 static inline void hns3_write_reg(void *base, uint32_t reg, uint32_t value)
597 rte_write32(value, (volatile void *)((char *)base + reg));
600 static inline uint32_t hns3_read_reg(void *base, uint32_t reg)
602 return rte_read32((volatile void *)((char *)base + reg));
605 #define hns3_write_dev(a, reg, value) \
606 hns3_write_reg((a)->io_base, (reg), (value))
608 #define hns3_read_dev(a, reg) \
609 hns3_read_reg((a)->io_base, (reg))
611 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
613 #define NEXT_ITEM_OF_ACTION(act, actions, index) \
615 act = (actions) + (index); \
616 while (act->type == RTE_FLOW_ACTION_TYPE_VOID) { \
618 act = actions + index; \
622 #define MSEC_PER_SEC 1000L
623 #define USEC_PER_MSEC 1000L
625 static inline uint64_t
626 get_timeofday_ms(void)
630 (void)gettimeofday(&tv, NULL);
632 return (uint64_t)tv.tv_sec * MSEC_PER_SEC + tv.tv_usec / USEC_PER_MSEC;
635 static inline uint64_t
636 hns3_atomic_test_bit(unsigned int nr, volatile uint64_t *addr)
640 res = (__atomic_load_n(addr, __ATOMIC_RELAXED) & (1UL << nr)) != 0;
645 hns3_atomic_set_bit(unsigned int nr, volatile uint64_t *addr)
647 __atomic_fetch_or(addr, (1UL << nr), __ATOMIC_RELAXED);
651 hns3_atomic_clear_bit(unsigned int nr, volatile uint64_t *addr)
653 __atomic_fetch_and(addr, ~(1UL << nr), __ATOMIC_RELAXED);
656 static inline int64_t
657 hns3_test_and_clear_bit(unsigned int nr, volatile uint64_t *addr)
659 uint64_t mask = (1UL << nr);
661 return __atomic_fetch_and(addr, ~mask, __ATOMIC_RELAXED) & mask;
664 int hns3_buffer_alloc(struct hns3_hw *hw);
665 int hns3_dev_filter_ctrl(struct rte_eth_dev *dev,
666 enum rte_filter_type filter_type,
667 enum rte_filter_op filter_op, void *arg);
668 bool hns3_is_reset_pending(struct hns3_adapter *hns);
669 bool hns3vf_is_reset_pending(struct hns3_adapter *hns);
670 void hns3_update_link_status(struct hns3_hw *hw);
673 is_reset_pending(struct hns3_adapter *hns)
677 ret = hns3vf_is_reset_pending(hns);
679 ret = hns3_is_reset_pending(hns);
683 static inline uint64_t
684 hns3_txvlan_cap_get(struct hns3_hw *hw)
686 if (hw->port_base_vlan_cfg.state)
687 return DEV_TX_OFFLOAD_VLAN_INSERT;
689 return DEV_TX_OFFLOAD_VLAN_INSERT | DEV_TX_OFFLOAD_QINQ_INSERT;
692 #endif /* _HNS3_ETHDEV_H_ */