1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2018-2019 Hisilicon Limited.
5 #ifndef _HNS3_ETHDEV_H_
6 #define _HNS3_ETHDEV_H_
9 #include <ethdev_driver.h>
10 #include <rte_byteorder.h>
12 #include <rte_spinlock.h>
17 #include "hns3_fdir.h"
18 #include "hns3_stats.h"
22 #define PCI_VENDOR_ID_HUAWEI 0x19e5
25 #define HNS3_DEV_ID_GE 0xA220
26 #define HNS3_DEV_ID_25GE 0xA221
27 #define HNS3_DEV_ID_25GE_RDMA 0xA222
28 #define HNS3_DEV_ID_50GE_RDMA 0xA224
29 #define HNS3_DEV_ID_100G_RDMA_MACSEC 0xA226
30 #define HNS3_DEV_ID_200G_RDMA 0xA228
31 #define HNS3_DEV_ID_100G_VF 0xA22E
32 #define HNS3_DEV_ID_100G_RDMA_PFC_VF 0xA22F
34 /* PCI Config offsets */
35 #define HNS3_PCI_REVISION_ID 0x08
36 #define HNS3_PCI_REVISION_ID_LEN 1
38 #define PCI_REVISION_ID_HIP08_B 0x21
39 #define PCI_REVISION_ID_HIP09_A 0x30
41 #define HNS3_PF_FUNC_ID 0
42 #define HNS3_1ST_VF_FUNC_ID 1
44 #define HNS3_SW_SHIFT_AND_DISCARD_MODE 0
45 #define HNS3_HW_SHIFT_AND_DISCARD_MODE 1
47 #define HNS3_UNLIMIT_PROMISC_MODE 0
48 #define HNS3_LIMIT_PROMISC_MODE 1
50 #define HNS3_UC_MACADDR_NUM 128
51 #define HNS3_VF_UC_MACADDR_NUM 48
52 #define HNS3_MC_MACADDR_NUM 128
54 #define HNS3_MAX_BD_SIZE 65535
55 #define HNS3_MAX_NON_TSO_BD_PER_PKT 8
56 #define HNS3_MAX_TSO_BD_PER_PKT 63
57 #define HNS3_MAX_FRAME_LEN 9728
58 #define HNS3_VLAN_TAG_SIZE 4
59 #define HNS3_DEFAULT_RX_BUF_LEN 2048
60 #define HNS3_MAX_BD_PAYLEN (1024 * 1024 - 1)
61 #define HNS3_MAX_TSO_HDR_SIZE 512
62 #define HNS3_MAX_TSO_HDR_BD_NUM 3
63 #define HNS3_MAX_LRO_SIZE 64512
65 #define HNS3_ETH_OVERHEAD \
66 (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + HNS3_VLAN_TAG_SIZE * 2)
67 #define HNS3_PKTLEN_TO_MTU(pktlen) ((pktlen) - HNS3_ETH_OVERHEAD)
68 #define HNS3_MAX_MTU (HNS3_MAX_FRAME_LEN - HNS3_ETH_OVERHEAD)
69 #define HNS3_DEFAULT_MTU 1500UL
70 #define HNS3_DEFAULT_FRAME_LEN (HNS3_DEFAULT_MTU + HNS3_ETH_OVERHEAD)
71 #define HNS3_HIP08_MIN_TX_PKT_LEN 33
72 #define HNS3_HIP09_MIN_TX_PKT_LEN 9
74 #define HNS3_BITS_PER_BYTE 8
79 #define HNS3_MAX_PF_NUM 8
80 #define HNS3_UMV_TBL_SIZE 3072
81 #define HNS3_DEFAULT_UMV_SPACE_PER_PF \
82 (HNS3_UMV_TBL_SIZE / HNS3_MAX_PF_NUM)
84 #define HNS3_PF_CFG_BLOCK_SIZE 32
85 #define HNS3_PF_CFG_DESC_NUM \
86 (HNS3_PF_CFG_BLOCK_SIZE / HNS3_CFG_RD_LEN_BYTES)
88 #define HNS3_DEFAULT_ENABLE_PFC_NUM 0
90 #define HNS3_INTR_UNREG_FAIL_RETRY_CNT 5
91 #define HNS3_INTR_UNREG_FAIL_DELAY_MS 500
93 #define HNS3_QUIT_RESET_CNT 10
94 #define HNS3_QUIT_RESET_DELAY_MS 100
96 #define HNS3_POLL_RESPONE_MS 1
98 #define HNS3_MAX_USER_PRIO 8
108 #define HNS3_SCH_MODE_SP 0
109 #define HNS3_SCH_MODE_DWRR 1
110 struct hns3_pg_info {
112 uint8_t pg_sch_mode; /* 0: sp; 1: dwrr */
115 uint8_t tc_dwrr[HNS3_MAX_TC_NUM];
118 struct hns3_tc_info {
120 uint8_t tc_sch_mode; /* 0: sp; 1: dwrr */
123 uint8_t up_to_tc_map; /* user priority maping on the TC */
126 struct hns3_dcb_info {
128 uint8_t num_pg; /* It must be 1 if vNET-Base schd */
129 uint8_t pg_dwrr[HNS3_PG_NUM];
130 uint8_t prio_tc[HNS3_MAX_USER_PRIO];
131 struct hns3_pg_info pg_info[HNS3_PG_NUM];
132 struct hns3_tc_info tc_info[HNS3_MAX_TC_NUM];
133 uint8_t hw_pfc_map; /* Allow for packet drop or not on this TC */
134 uint8_t pfc_en; /* Pfc enabled or not for user priority */
137 enum hns3_fc_status {
139 HNS3_FC_STATUS_MAC_PAUSE,
143 struct hns3_tc_queue_info {
144 uint16_t tqp_offset; /* TQP offset from base TQP */
145 uint16_t tqp_count; /* Total TQPs */
146 uint8_t tc; /* TC index */
147 bool enable; /* If this TC is enable or not */
151 uint8_t vmdq_vport_num;
153 uint16_t tqp_desc_num;
155 uint16_t rss_size_max;
158 uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
159 uint8_t default_speed;
160 uint32_t numa_node_map;
161 uint8_t speed_ability;
166 enum hns3_media_type {
167 HNS3_MEDIA_TYPE_UNKNOWN,
168 HNS3_MEDIA_TYPE_FIBER,
169 HNS3_MEDIA_TYPE_COPPER,
170 HNS3_MEDIA_TYPE_BACKPLANE,
171 HNS3_MEDIA_TYPE_NONE,
175 uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
176 bool default_addr_setted; /* whether default addr(mac_addr) is set */
179 uint8_t link_duplex : 1; /* ETH_LINK_[HALF/FULL]_DUPLEX */
180 uint8_t link_autoneg : 1; /* ETH_LINK_[AUTONEG/FIXED] */
181 uint8_t link_status : 1; /* ETH_LINK_[DOWN/UP] */
182 uint32_t link_speed; /* ETH_SPEED_NUM_ */
183 uint32_t supported_capa; /* supported capability for current media */
184 uint32_t advertising; /* advertised capability in the local part */
185 /* advertised capability in the link partner */
186 uint32_t lp_advertising;
187 uint8_t support_autoneg;
190 struct hns3_fake_queue_data {
191 void **rx_queues; /* Array of pointers to fake RX queues. */
192 void **tx_queues; /* Array of pointers to fake TX queues. */
193 uint16_t nb_fake_rx_queues; /* Number of fake RX queues. */
194 uint16_t nb_fake_tx_queues; /* Number of fake TX queues. */
197 #define HNS3_PORT_BASE_VLAN_DISABLE 0
198 #define HNS3_PORT_BASE_VLAN_ENABLE 1
199 struct hns3_port_base_vlan_config {
204 /* Primary process maintains driver state in main thread.
207 * | UNINITIALIZED |<-----------+
208 * +---------------+ |
209 * |.eth_dev_init |.eth_dev_uninit
211 * +---------------+------------+
213 * +---------------+<-----------<---------------+
214 * |.dev_configure | |
216 * +---------------+------------+ |
218 * +---------------+----+ |
220 * | | +---------------+
222 * | | +---------------+
224 * V |.dev_configure |
225 * +---------------+----+ |.dev_close
226 * | CONFIGURED |----------------------------+
227 * +---------------+<-----------+
230 * +---------------+ |
231 * | STARTING |------------^
232 * +---------------+ failed |
234 * | +---------------+
236 * | +---------------+
239 * +---------------+------------+
243 enum hns3_adapter_state {
244 HNS3_NIC_UNINITIALIZED = 0,
245 HNS3_NIC_INITIALIZED,
246 HNS3_NIC_CONFIGURING,
257 /* Reset various stages, execute in order */
258 enum hns3_reset_stage {
259 /* Stop query services, stop transceiver, disable MAC */
261 /* Clear reset completion flags, disable send command */
263 /* Inform IMP to start resetting */
264 RESET_STAGE_REQ_HW_RESET,
265 /* Waiting for hardware reset to complete */
267 /* Reinitialize hardware */
268 RESET_STAGE_DEV_INIT,
269 /* Restore user settings and enable MAC */
271 /* Restart query services, start transceiver */
273 /* Not in reset state */
277 enum hns3_reset_level {
279 HNS3_VF_FUNC_RESET, /* A VF function reset */
281 * All VFs under a PF perform function reset.
282 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
283 * of the reset level and the one defined in kernel driver should be
286 HNS3_VF_PF_FUNC_RESET = 2,
288 * All VFs under a PF perform FLR reset.
289 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
290 * of the reset level and the one defined in kernel driver should be
293 * According to the protocol of PCIe, FLR to a PF resets the PF state as
294 * well as the SR-IOV extended capability including VF Enable which
295 * means that VFs no longer exist.
297 * In PF FLR, the register state of VF is not reliable, VF's driver
298 * should not access the registers of the VF device.
300 HNS3_VF_FULL_RESET = 3,
301 HNS3_FLR_RESET, /* A VF perform FLR reset */
302 /* All VFs under the rootport perform a global or IMP reset */
304 HNS3_FUNC_RESET, /* A PF function reset */
305 /* All PFs under the rootport perform a global reset */
307 HNS3_IMP_RESET, /* All PFs under the rootport perform a IMP reset */
311 enum hns3_wait_result {
318 #define HNS3_RESET_SYNC_US 100000
320 struct hns3_reset_stats {
321 uint64_t request_cnt; /* Total request reset times */
322 uint64_t global_cnt; /* Total GLOBAL reset times */
323 uint64_t imp_cnt; /* Total IMP reset times */
324 uint64_t exec_cnt; /* Total reset executive times */
325 uint64_t success_cnt; /* Total reset successful times */
326 uint64_t fail_cnt; /* Total reset failed times */
327 uint64_t merge_cnt; /* Total merged in high reset times */
330 typedef bool (*check_completion_func)(struct hns3_hw *hw);
332 struct hns3_wait_data {
337 enum hns3_wait_result result;
338 check_completion_func check_completion;
341 struct hns3_reset_ops {
342 void (*reset_service)(void *arg);
343 int (*stop_service)(struct hns3_adapter *hns);
344 int (*prepare_reset)(struct hns3_adapter *hns);
345 int (*wait_hardware_ready)(struct hns3_adapter *hns);
346 int (*reinit_dev)(struct hns3_adapter *hns);
347 int (*restore_conf)(struct hns3_adapter *hns);
348 int (*start_service)(struct hns3_adapter *hns);
358 struct hns3_reset_data {
359 enum hns3_reset_stage stage;
361 /* Reset flag, covering the entire reset process */
363 /* Used to disable sending cmds during reset */
364 uint16_t disable_cmd;
365 /* The reset level being processed */
366 enum hns3_reset_level level;
367 /* Reset level set, each bit represents a reset level */
369 /* Request reset level set, from interrupt or mailbox */
371 int attempts; /* Reset failure retry */
372 int retries; /* Timeout failure retry in reset_post */
374 * At the time of global or IMP reset, the command cannot be sent to
375 * stop the tx/rx queues. Tx/Rx queues may be access mbuf during the
376 * reset process, so the mbuf is required to be released after the reset
377 * is completed.The mbuf_deferred_free is used to mark whether mbuf
378 * needs to be released.
380 bool mbuf_deferred_free;
381 struct timeval start_time;
382 struct hns3_reset_stats stats;
383 const struct hns3_reset_ops *ops;
384 struct hns3_wait_data *wait_data;
387 #define HNS3_INTR_MAPPING_VEC_RSV_ONE 0
388 #define HNS3_INTR_MAPPING_VEC_ALL 1
390 #define HNS3_INTR_COALESCE_GL_UINT_2US 0
391 #define HNS3_INTR_COALESCE_GL_UINT_1US 1
393 #define HNS3_INTR_QL_NONE 0
395 struct hns3_queue_intr {
397 * interrupt mapping mode.
399 * HNS3_INTR_MAPPING_VEC_RSV_ONE/HNS3_INTR_MAPPING_VEC_ALL
401 * - HNS3_INTR_MAPPING_VEC_RSV_ONE
402 * For some versions of hardware network engine, because of the
403 * hardware constraint, we need implement clearing the mapping
404 * relationship configurations by binding all queues to the last
405 * interrupt vector and reserving the last interrupt vector. This
406 * method results in a decrease of the maximum queues when upper
407 * applications call the rte_eth_dev_configure API function to
408 * enable Rx interrupt.
410 * - HNS3_INTR_MAPPING_VEC_ALL
411 * PMD driver can map/unmmap all interrupt vectors with queues When
412 * Rx interrupt in enabled.
414 uint8_t mapping_mode;
416 * The unit of GL(gap limiter) configuration for interrupt coalesce of
419 * HNS3_INTR_COALESCE_GL_UINT_2US/HNS3_INTR_COALESCE_GL_UINT_1US
422 /* The max QL(quantity limiter) value */
426 #define HNS3_TSO_SW_CAL_PSEUDO_H_CSUM 0
427 #define HNS3_TSO_HW_CAL_PSEUDO_H_CSUM 1
429 #define HNS3_PKTS_DROP_STATS_MODE1 0
430 #define HNS3_PKTS_DROP_STATS_MODE2 1
433 struct rte_eth_dev_data *data;
435 uint8_t revision; /* PCI revision, low byte of class word */
437 struct hns3_mbx_resp_status mbx_resp; /* mailbox response */
438 struct hns3_mbx_arq_ring arq; /* mailbox async rx queue */
439 pthread_t irq_thread_id;
441 unsigned int secondary_cnt; /* Number of secondary processes init'd. */
442 struct hns3_tqp_stats tqp_stats;
443 /* Include Mac stats | Rx stats | Tx stats */
444 struct hns3_mac_stats mac_stats;
445 struct hns3_rx_missed_stats imissed_stats;
446 uint64_t oerror_stats;
450 uint16_t total_tqps_num; /* total task queue pairs of this PF */
451 uint16_t tqps_num; /* num task queue pairs of this function */
452 uint16_t intr_tqps_num; /* num queue pairs mapping interrupt */
453 uint16_t rss_size_max; /* HW defined max RSS task queue */
454 uint16_t rx_buf_len; /* hold min hardware rx buf len */
455 uint16_t num_tx_desc; /* desc num of per tx queue */
456 uint16_t num_rx_desc; /* desc num of per rx queue */
457 uint32_t mng_entry_num; /* number of manager table entry */
458 uint32_t mac_entry_num; /* number of mac-vlan table entry */
460 struct rte_ether_addr mc_addrs[HNS3_MC_MACADDR_NUM];
461 int mc_addrs_num; /* Multicast mac addresses number */
463 /* The configuration info of RSS */
464 struct hns3_rss_conf rss_info;
465 bool rss_dis_flag; /* disable rss flag. true: disable, false: enable */
466 uint16_t rss_ind_tbl_size;
467 uint16_t rss_key_size;
469 uint8_t num_tc; /* Total number of enabled TCs */
471 enum hns3_fc_mode current_mode;
472 enum hns3_fc_mode requested_mode;
473 struct hns3_dcb_info dcb_info;
474 enum hns3_fc_status current_fc_status; /* current flow control status */
475 struct hns3_tc_queue_info tc_queue[HNS3_MAX_TC_NUM];
476 uint16_t used_rx_queues;
477 uint16_t used_tx_queues;
479 /* Config max queue numbers between rx and tx queues from user */
480 uint16_t cfg_max_queues;
481 struct hns3_fake_queue_data fkq_data; /* fake queue data */
482 uint16_t alloc_rss_size; /* RX queue number per TC */
483 uint16_t tx_qnum_per_tc; /* TX queue number per TC */
486 uint32_t max_tm_rate;
488 * The minimum length of the packet supported by hardware in the Tx
491 uint32_t min_tx_pkt_len;
493 struct hns3_queue_intr intr;
497 * HNS3_TSO_SW_CAL_PSEUDO_H_CSUM/HNS3_TSO_HW_CAL_PSEUDO_H_CSUM
499 * - HNS3_TSO_SW_CAL_PSEUDO_H_CSUM
500 * In this mode, because of the hardware constraint, network driver
501 * software need erase the L4 len value of the TCP pseudo header
502 * and recalculate the TCP pseudo header checksum of packets that
505 * - HNS3_TSO_HW_CAL_PSEUDO_H_CSUM
506 * In this mode, hardware support recalculate the TCP pseudo header
507 * checksum of packets that need TSO, so network driver software
508 * not need to recalculate it.
514 * HNS3_SW_SHIFT_AND_DISCARD_MODE/HNS3_HW_SHFIT_AND_DISCARD_MODE
516 * - HNS3_SW_SHIFT_AND_DISCARD_MODE
517 * For some versions of hardware network engine, because of the
518 * hardware limitation, PMD driver needs to detect the PVID status
519 * to work with haredware to implement PVID-related functions.
520 * For example, driver need discard the stripped PVID tag to ensure
521 * the PVID will not report to mbuf and shift the inserted VLAN tag
522 * to avoid port based VLAN covering it.
524 * - HNS3_HW_SHIT_AND_DISCARD_MODE
525 * PMD driver does not need to process PVID-related functions in
526 * I/O process, Hardware will adjust the sequence between port based
527 * VLAN tag and BD VLAN tag automatically and VLAN tag stripped by
528 * PVID will be invisible to driver. And in this mode, hns3 is able
529 * to send a multi-layer VLAN packets when hw VLAN insert offload
536 * HNS3_UNLIMIT_PROMISC_MODE/HNS3_LIMIT_PROMISC_MODE
538 * - HNS3_UNLIMIT_PROMISC_MODE
539 * In this mode, TX unicast promisc will be configured when promisc
540 * is set, driver can receive all the ingress and outgoing traffic.
541 * In the words, all the ingress packets, all the packets sent from
542 * the PF and other VFs on the same physical port.
544 * - HNS3_LIMIT_PROMISC_MODE
545 * In this mode, TX unicast promisc is shutdown when promisc mode
546 * is set. So, driver will only receive all the ingress traffic.
547 * The packets sent from the PF and other VFs on the same physical
548 * port won't be copied to the function which has set promisc mode.
550 uint8_t promisc_mode;
553 * drop_stats_mode mode.
555 * HNS3_PKTS_DROP_STATS_MODE1/HNS3_PKTS_DROP_STATS_MODE2
557 * - HNS3_PKTS_DROP_STATS_MODE1
558 * This mode for kunpeng920. In this mode, port level imissed stats
559 * is supported. It only includes RPU drop stats.
561 * - HNS3_PKTS_DROP_STATS_MODE2
562 * This mode for kunpeng930. In this mode, imissed stats and oerrors
563 * stats is supported. Function level imissed stats is supported. It
564 * includes RPU drop stats in VF, and includes both RPU drop stats
565 * and SSU drop stats in PF. Oerror stats is also supported in PF.
567 uint8_t drop_stats_mode;
569 uint8_t max_non_tso_bd_num; /* max BD number of one non-TSO packet */
571 struct hns3_port_base_vlan_config port_base_vlan_cfg;
573 * PMD setup and configuration is not thread safe. Since it is not
574 * performance sensitive, it is better to guarantee thread-safety
575 * and add device level lock. Adapter control operations which
576 * change its state should acquire the lock.
579 enum hns3_adapter_state adapter_state;
580 struct hns3_reset_data reset;
583 #define HNS3_FLAG_TC_BASE_SCH_MODE 1
584 #define HNS3_FLAG_VNET_BASE_SCH_MODE 2
586 /* vlan entry information. */
587 struct hns3_user_vlan_table {
588 LIST_ENTRY(hns3_user_vlan_table) next;
593 /* Vlan tag configuration for RX direction */
594 struct hns3_rx_vtag_cfg {
595 bool rx_vlan_offload_en; /* Whether enable rx vlan offload */
596 bool strip_tag1_en; /* Whether strip inner vlan tag */
597 bool strip_tag2_en; /* Whether strip outer vlan tag */
599 * If strip_tag_en is enabled, this bit decide whether to map the vlan
602 bool strip_tag1_discard_en;
603 bool strip_tag2_discard_en;
605 * If this bit is enabled, only map inner/outer priority to descriptor
606 * and the vlan tag is always 0.
608 bool vlan1_vlan_prionly;
609 bool vlan2_vlan_prionly;
612 /* Vlan tag configuration for TX direction */
613 struct hns3_tx_vtag_cfg {
614 bool accept_tag1; /* Whether accept tag1 packet from host */
615 bool accept_untag1; /* Whether accept untag1 packet from host */
618 bool insert_tag1_en; /* Whether insert outer vlan tag */
619 bool insert_tag2_en; /* Whether insert inner vlan tag */
621 * In shift mode, hw will shift the sequence of port based VLAN and
624 bool tag_shift_mode_en; /* hw shift vlan tag automatically */
625 uint16_t default_tag1; /* The default outer vlan tag to insert */
626 uint16_t default_tag2; /* The default inner vlan tag to insert */
629 struct hns3_vtag_cfg {
630 struct hns3_rx_vtag_cfg rx_vcfg;
631 struct hns3_tx_vtag_cfg tx_vcfg;
634 /* Request types for IPC. */
635 enum hns3_mp_req_type {
636 HNS3_MP_REQ_START_RXTX = 1,
637 HNS3_MP_REQ_STOP_RXTX,
641 /* Pameters for IPC. */
642 struct hns3_mp_param {
643 enum hns3_mp_req_type type;
648 /* Request timeout for IPC. */
649 #define HNS3_MP_REQ_TIMEOUT_SEC 5
651 /* Key string for IPC. */
652 #define HNS3_MP_NAME "net_hns3_mp"
654 #define HNS3_L2TBL_NUM 4
655 #define HNS3_L3TBL_NUM 16
656 #define HNS3_L4TBL_NUM 16
657 #define HNS3_OL2TBL_NUM 4
658 #define HNS3_OL3TBL_NUM 16
659 #define HNS3_OL4TBL_NUM 16
660 #define HNS3_PTYPE_NUM 256
662 struct hns3_ptype_table {
664 * The next fields used to calc packet-type by the
665 * L3_ID/L4_ID/OL3_ID/OL4_ID from the Rx descriptor.
667 uint32_t l2l3table[HNS3_L2TBL_NUM][HNS3_L3TBL_NUM];
668 uint32_t l4table[HNS3_L4TBL_NUM];
669 uint32_t inner_l2table[HNS3_L2TBL_NUM];
670 uint32_t inner_l3table[HNS3_L3TBL_NUM];
671 uint32_t inner_l4table[HNS3_L4TBL_NUM];
672 uint32_t ol2table[HNS3_OL2TBL_NUM];
673 uint32_t ol3table[HNS3_OL3TBL_NUM];
674 uint32_t ol4table[HNS3_OL4TBL_NUM];
677 * The next field used to calc packet-type by the PTYPE from the Rx
678 * descriptor, it functions only when firmware report the capability of
679 * HNS3_CAPS_RXD_ADV_LAYOUT_B and driver enabled it.
681 uint32_t ptype[HNS3_PTYPE_NUM] __rte_cache_min_aligned;
684 #define HNS3_FIXED_MAX_TQP_NUM_MODE 0
685 #define HNS3_FLEX_MAX_TQP_NUM_MODE 1
688 struct hns3_adapter *adapter;
690 uint16_t func_num; /* num functions of this pf, include pf and vfs */
694 * tqp_config_mode value range:
695 * HNS3_FIXED_MAX_TQP_NUM_MODE,
696 * HNS3_FLEX_MAX_TQP_NUM_MODE
698 * - HNS3_FIXED_MAX_TQP_NUM_MODE
699 * There is a limitation on the number of pf interrupts available for
700 * on some versions of network engines. In this case, the maximum
701 * queue number of pf can not be greater than the interrupt number,
702 * such as pf of network engine with revision_id 0x21. So the maximum
703 * number of queues must be fixed.
705 * - HNS3_FLEX_MAX_TQP_NUM_MODE
706 * In this mode, the maximum queue number of pf has not any constraint
707 * and comes from the macro RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF
708 * in the config file. Users can modify the macro according to their
709 * own application scenarios, which is more flexible to use.
711 uint8_t tqp_config_mode;
713 uint32_t pkt_buf_size; /* Total pf buf size for tx/rx */
714 uint32_t tx_buf_size; /* Tx buffer size for each TC */
715 uint32_t dv_buf_size; /* Dv buffer size for each TC */
717 uint16_t mps; /* Max packet size */
720 uint8_t tc_max; /* max number of tc driver supported */
721 uint8_t local_max_tc; /* max number of local tc */
723 uint8_t prio_tc[HNS3_MAX_USER_PRIO]; /* TC indexed by prio */
725 bool support_fc_autoneg; /* support FC autonegotiate */
727 uint16_t wanted_umv_size;
728 uint16_t max_umv_size;
729 uint16_t used_umv_size;
731 bool support_sfp_query;
732 uint32_t fec_mode; /* current FEC mode for ethdev */
734 struct hns3_vtag_cfg vtag_config;
735 LIST_HEAD(vlan_tbl, hns3_user_vlan_table) vlan_list;
737 struct hns3_fdir_info fdir; /* flow director info */
738 LIST_HEAD(counters, hns3_flow_counter) flow_counters;
740 struct hns3_tm_conf tm_conf;
744 struct hns3_adapter *adapter;
747 struct hns3_adapter {
750 /* Specific for PF or VF */
751 bool is_vf; /* false - PF, true - VF */
757 bool rx_simple_allowed;
759 bool tx_simple_allowed;
762 uint32_t rx_func_hint;
763 uint32_t tx_func_hint;
765 struct hns3_ptype_table ptype_tbl __rte_cache_min_aligned;
769 HNS3_IO_FUNC_HINT_NONE = 0,
770 HNS3_IO_FUNC_HINT_VEC,
771 HNS3_IO_FUNC_HINT_SVE,
772 HNS3_IO_FUNC_HINT_SIMPLE,
773 HNS3_IO_FUNC_HINT_COMMON
776 #define HNS3_DEVARG_RX_FUNC_HINT "rx_func_hint"
777 #define HNS3_DEVARG_TX_FUNC_HINT "tx_func_hint"
779 #define HNS3_DEV_SUPPORT_DCB_B 0x0
780 #define HNS3_DEV_SUPPORT_COPPER_B 0x1
781 #define HNS3_DEV_SUPPORT_UDP_GSO_B 0x2
782 #define HNS3_DEV_SUPPORT_FD_QUEUE_REGION_B 0x3
783 #define HNS3_DEV_SUPPORT_PTP_B 0x4
784 #define HNS3_DEV_SUPPORT_TX_PUSH_B 0x5
785 #define HNS3_DEV_SUPPORT_INDEP_TXRX_B 0x6
786 #define HNS3_DEV_SUPPORT_STASH_B 0x7
787 #define HNS3_DEV_SUPPORT_RXD_ADV_LAYOUT_B 0x9
788 #define HNS3_DEV_SUPPORT_OUTER_UDP_CKSUM_B 0xA
790 #define hns3_dev_dcb_supported(hw) \
791 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_DCB_B)
793 /* Support copper media type */
794 #define hns3_dev_copper_supported(hw) \
795 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_COPPER_B)
797 /* Support UDP GSO offload */
798 #define hns3_dev_udp_gso_supported(hw) \
799 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_UDP_GSO_B)
801 /* Support the queue region action rule of flow directory */
802 #define hns3_dev_fd_queue_region_supported(hw) \
803 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_FD_QUEUE_REGION_B)
805 /* Support PTP timestamp offload */
806 #define hns3_dev_ptp_supported(hw) \
807 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_PTP_B)
809 #define hns3_dev_tx_push_supported(hw) \
810 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_TX_PUSH_B)
812 /* Support to Independently enable/disable/reset Tx or Rx queues */
813 #define hns3_dev_indep_txrx_supported(hw) \
814 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_INDEP_TXRX_B)
816 #define hns3_dev_stash_supported(hw) \
817 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_STASH_B)
819 #define hns3_dev_rxd_adv_layout_supported(hw) \
820 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_RXD_ADV_LAYOUT_B)
822 #define hns3_dev_outer_udp_cksum_supported(hw) \
823 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_OUTER_UDP_CKSUM_B)
825 #define HNS3_DEV_PRIVATE_TO_HW(adapter) \
826 (&((struct hns3_adapter *)adapter)->hw)
827 #define HNS3_DEV_PRIVATE_TO_PF(adapter) \
828 (&((struct hns3_adapter *)adapter)->pf)
829 #define HNS3_DEV_HW_TO_ADAPTER(hw) \
830 container_of(hw, struct hns3_adapter, hw)
832 static inline struct hns3_pf *HNS3_DEV_HW_TO_PF(struct hns3_hw *hw)
834 struct hns3_adapter *adapter = HNS3_DEV_HW_TO_ADAPTER(hw);
838 #define hns3_set_field(origin, mask, shift, val) \
840 (origin) &= (~(mask)); \
841 (origin) |= ((val) << (shift)) & (mask); \
843 #define hns3_get_field(origin, mask, shift) \
844 (((origin) & (mask)) >> (shift))
845 #define hns3_set_bit(origin, shift, val) \
846 hns3_set_field((origin), (0x1UL << (shift)), (shift), (val))
847 #define hns3_get_bit(origin, shift) \
848 hns3_get_field((origin), (0x1UL << (shift)), (shift))
850 #define hns3_gen_field_val(mask, shift, val) (((val) << (shift)) & (mask))
853 * upper_32_bits - return bits 32-63 of a number
854 * A basic shift-right of a 64- or 32-bit quantity. Use this to suppress
855 * the "right shift count >= width of type" warning when that quantity is
858 #define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
860 /* lower_32_bits - return bits 0-31 of a number */
861 #define lower_32_bits(n) ((uint32_t)(n))
863 #define BIT(nr) (1UL << (nr))
865 #define BIT_ULL(x) (1ULL << (x))
867 #define BITS_PER_LONG (__SIZEOF_LONG__ * 8)
868 #define GENMASK(h, l) \
869 (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
871 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
872 #define rounddown(x, y) ((x) - ((x) % (y)))
874 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
877 * Because hardware always access register in little-endian mode based on hns3
878 * network engine, so driver should also call rte_cpu_to_le_32 to convert data
879 * in little-endian mode before writing register and call rte_le_to_cpu_32 to
880 * convert data after reading from register.
882 * Here the driver encapsulates the data conversion operation in the register
883 * read/write operation function as below:
887 * Therefore, when calling these functions, conversion is not required again.
889 static inline void hns3_write_reg(void *base, uint32_t reg, uint32_t value)
891 rte_write32(rte_cpu_to_le_32(value),
892 (volatile void *)((char *)base + reg));
896 * The optimized function for writing registers used in the '.rx_pkt_burst' and
897 * '.tx_pkt_burst' ops implementation function.
899 static inline void hns3_write_reg_opt(volatile void *addr, uint32_t value)
902 rte_write32_relaxed(rte_cpu_to_le_32(value), addr);
905 static inline uint32_t hns3_read_reg(void *base, uint32_t reg)
907 uint32_t read_val = rte_read32((volatile void *)((char *)base + reg));
908 return rte_le_to_cpu_32(read_val);
911 #define hns3_write_dev(a, reg, value) \
912 hns3_write_reg((a)->io_base, (reg), (value))
914 #define hns3_read_dev(a, reg) \
915 hns3_read_reg((a)->io_base, (reg))
917 #define ARRAY_SIZE(x) RTE_DIM(x)
919 #define NEXT_ITEM_OF_ACTION(act, actions, index) \
921 act = (actions) + (index); \
922 while (act->type == RTE_FLOW_ACTION_TYPE_VOID) { \
924 act = actions + index; \
928 #define MSEC_PER_SEC 1000L
929 #define USEC_PER_MSEC 1000L
931 static inline uint64_t
932 get_timeofday_ms(void)
936 (void)gettimeofday(&tv, NULL);
938 return (uint64_t)tv.tv_sec * MSEC_PER_SEC + tv.tv_usec / USEC_PER_MSEC;
941 static inline uint64_t
942 hns3_atomic_test_bit(unsigned int nr, volatile uint64_t *addr)
946 res = (__atomic_load_n(addr, __ATOMIC_RELAXED) & (1UL << nr)) != 0;
951 hns3_atomic_set_bit(unsigned int nr, volatile uint64_t *addr)
953 __atomic_fetch_or(addr, (1UL << nr), __ATOMIC_RELAXED);
957 hns3_atomic_clear_bit(unsigned int nr, volatile uint64_t *addr)
959 __atomic_fetch_and(addr, ~(1UL << nr), __ATOMIC_RELAXED);
962 static inline int64_t
963 hns3_test_and_clear_bit(unsigned int nr, volatile uint64_t *addr)
965 uint64_t mask = (1UL << nr);
967 return __atomic_fetch_and(addr, ~mask, __ATOMIC_RELAXED) & mask;
970 int hns3_buffer_alloc(struct hns3_hw *hw);
971 int hns3_dev_flow_ops_get(struct rte_eth_dev *dev,
972 const struct rte_flow_ops **ops);
973 bool hns3_is_reset_pending(struct hns3_adapter *hns);
974 bool hns3vf_is_reset_pending(struct hns3_adapter *hns);
975 void hns3_update_link_status_and_event(struct hns3_hw *hw);
976 void hns3_ether_format_addr(char *buf, uint16_t size,
977 const struct rte_ether_addr *ether_addr);
978 int hns3_dev_infos_get(struct rte_eth_dev *eth_dev,
979 struct rte_eth_dev_info *info);
980 void hns3vf_update_link_status(struct hns3_hw *hw, uint8_t link_status,
981 uint32_t link_speed, uint8_t link_duplex);
982 void hns3_parse_devargs(struct rte_eth_dev *dev);
985 is_reset_pending(struct hns3_adapter *hns)
989 ret = hns3vf_is_reset_pending(hns);
991 ret = hns3_is_reset_pending(hns);
995 static inline uint64_t
996 hns3_txvlan_cap_get(struct hns3_hw *hw)
998 if (hw->port_base_vlan_cfg.state)
999 return DEV_TX_OFFLOAD_VLAN_INSERT;
1001 return DEV_TX_OFFLOAD_VLAN_INSERT | DEV_TX_OFFLOAD_QINQ_INSERT;
1004 #endif /* _HNS3_ETHDEV_H_ */