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_SPECIAL_PORT_SW_CKSUM_MODE 0
51 #define HNS3_SPECIAL_PORT_HW_CKSUM_MODE 1
53 #define HNS3_UC_MACADDR_NUM 128
54 #define HNS3_VF_UC_MACADDR_NUM 48
55 #define HNS3_MC_MACADDR_NUM 128
57 #define HNS3_MAX_BD_SIZE 65535
58 #define HNS3_MAX_NON_TSO_BD_PER_PKT 8
59 #define HNS3_MAX_TSO_BD_PER_PKT 63
60 #define HNS3_MAX_FRAME_LEN 9728
61 #define HNS3_VLAN_TAG_SIZE 4
62 #define HNS3_DEFAULT_RX_BUF_LEN 2048
63 #define HNS3_MAX_BD_PAYLEN (1024 * 1024 - 1)
64 #define HNS3_MAX_TSO_HDR_SIZE 512
65 #define HNS3_MAX_TSO_HDR_BD_NUM 3
66 #define HNS3_MAX_LRO_SIZE 64512
68 #define HNS3_ETH_OVERHEAD \
69 (RTE_ETHER_HDR_LEN + RTE_ETHER_CRC_LEN + HNS3_VLAN_TAG_SIZE * 2)
70 #define HNS3_PKTLEN_TO_MTU(pktlen) ((pktlen) - HNS3_ETH_OVERHEAD)
71 #define HNS3_MAX_MTU (HNS3_MAX_FRAME_LEN - HNS3_ETH_OVERHEAD)
72 #define HNS3_DEFAULT_MTU 1500UL
73 #define HNS3_DEFAULT_FRAME_LEN (HNS3_DEFAULT_MTU + HNS3_ETH_OVERHEAD)
74 #define HNS3_HIP08_MIN_TX_PKT_LEN 33
75 #define HNS3_HIP09_MIN_TX_PKT_LEN 9
77 #define HNS3_BITS_PER_BYTE 8
82 #define HNS3_MAX_PF_NUM 8
83 #define HNS3_UMV_TBL_SIZE 3072
84 #define HNS3_DEFAULT_UMV_SPACE_PER_PF \
85 (HNS3_UMV_TBL_SIZE / HNS3_MAX_PF_NUM)
87 #define HNS3_PF_CFG_BLOCK_SIZE 32
88 #define HNS3_PF_CFG_DESC_NUM \
89 (HNS3_PF_CFG_BLOCK_SIZE / HNS3_CFG_RD_LEN_BYTES)
91 #define HNS3_DEFAULT_ENABLE_PFC_NUM 0
93 #define HNS3_INTR_UNREG_FAIL_RETRY_CNT 5
94 #define HNS3_INTR_UNREG_FAIL_DELAY_MS 500
96 #define HNS3_QUIT_RESET_CNT 10
97 #define HNS3_QUIT_RESET_DELAY_MS 100
99 #define HNS3_POLL_RESPONE_MS 1
101 #define HNS3_MAX_USER_PRIO 8
102 #define HNS3_PG_NUM 4
111 #define HNS3_SCH_MODE_SP 0
112 #define HNS3_SCH_MODE_DWRR 1
113 struct hns3_pg_info {
115 uint8_t pg_sch_mode; /* 0: sp; 1: dwrr */
118 uint8_t tc_dwrr[HNS3_MAX_TC_NUM];
121 struct hns3_tc_info {
123 uint8_t tc_sch_mode; /* 0: sp; 1: dwrr */
126 uint8_t up_to_tc_map; /* user priority maping on the TC */
129 struct hns3_dcb_info {
131 uint8_t num_pg; /* It must be 1 if vNET-Base schd */
132 uint8_t pg_dwrr[HNS3_PG_NUM];
133 uint8_t prio_tc[HNS3_MAX_USER_PRIO];
134 struct hns3_pg_info pg_info[HNS3_PG_NUM];
135 struct hns3_tc_info tc_info[HNS3_MAX_TC_NUM];
136 uint8_t hw_pfc_map; /* Allow for packet drop or not on this TC */
137 uint8_t pfc_en; /* Pfc enabled or not for user priority */
140 enum hns3_fc_status {
142 HNS3_FC_STATUS_MAC_PAUSE,
146 struct hns3_tc_queue_info {
147 uint16_t tqp_offset; /* TQP offset from base TQP */
148 uint16_t tqp_count; /* Total TQPs */
149 uint8_t tc; /* TC index */
150 bool enable; /* If this TC is enable or not */
154 uint8_t vmdq_vport_num;
156 uint16_t tqp_desc_num;
158 uint16_t rss_size_max;
161 uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
162 uint8_t default_speed;
163 uint32_t numa_node_map;
164 uint8_t speed_ability;
169 enum hns3_media_type {
170 HNS3_MEDIA_TYPE_UNKNOWN,
171 HNS3_MEDIA_TYPE_FIBER,
172 HNS3_MEDIA_TYPE_COPPER,
173 HNS3_MEDIA_TYPE_BACKPLANE,
174 HNS3_MEDIA_TYPE_NONE,
178 uint8_t mac_addr[RTE_ETHER_ADDR_LEN];
179 bool default_addr_setted; /* whether default addr(mac_addr) is set */
182 uint8_t link_duplex : 1; /* ETH_LINK_[HALF/FULL]_DUPLEX */
183 uint8_t link_autoneg : 1; /* ETH_LINK_[AUTONEG/FIXED] */
184 uint8_t link_status : 1; /* ETH_LINK_[DOWN/UP] */
185 uint32_t link_speed; /* ETH_SPEED_NUM_ */
186 uint32_t supported_capa; /* supported capability for current media */
187 uint32_t advertising; /* advertised capability in the local part */
188 /* advertised capability in the link partner */
189 uint32_t lp_advertising;
190 uint8_t support_autoneg;
193 struct hns3_fake_queue_data {
194 void **rx_queues; /* Array of pointers to fake RX queues. */
195 void **tx_queues; /* Array of pointers to fake TX queues. */
196 uint16_t nb_fake_rx_queues; /* Number of fake RX queues. */
197 uint16_t nb_fake_tx_queues; /* Number of fake TX queues. */
200 #define HNS3_PORT_BASE_VLAN_DISABLE 0
201 #define HNS3_PORT_BASE_VLAN_ENABLE 1
202 struct hns3_port_base_vlan_config {
207 /* Primary process maintains driver state in main thread.
210 * | UNINITIALIZED |<-----------+
211 * +---------------+ |
212 * |.eth_dev_init |.eth_dev_uninit
214 * +---------------+------------+
216 * +---------------+<-----------<---------------+
217 * |.dev_configure | |
219 * +---------------+------------+ |
221 * +---------------+----+ |
223 * | | +---------------+
225 * | | +---------------+
227 * V |.dev_configure |
228 * +---------------+----+ |.dev_close
229 * | CONFIGURED |----------------------------+
230 * +---------------+<-----------+
233 * +---------------+ |
234 * | STARTING |------------^
235 * +---------------+ failed |
237 * | +---------------+
239 * | +---------------+
242 * +---------------+------------+
246 enum hns3_adapter_state {
247 HNS3_NIC_UNINITIALIZED = 0,
248 HNS3_NIC_INITIALIZED,
249 HNS3_NIC_CONFIGURING,
260 /* Reset various stages, execute in order */
261 enum hns3_reset_stage {
262 /* Stop query services, stop transceiver, disable MAC */
264 /* Clear reset completion flags, disable send command */
266 /* Inform IMP to start resetting */
267 RESET_STAGE_REQ_HW_RESET,
268 /* Waiting for hardware reset to complete */
270 /* Reinitialize hardware */
271 RESET_STAGE_DEV_INIT,
272 /* Restore user settings and enable MAC */
274 /* Restart query services, start transceiver */
276 /* Not in reset state */
280 enum hns3_reset_level {
282 HNS3_VF_FUNC_RESET, /* A VF function reset */
284 * All VFs under a PF perform function reset.
285 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
286 * of the reset level and the one defined in kernel driver should be
289 HNS3_VF_PF_FUNC_RESET = 2,
291 * All VFs under a PF perform FLR reset.
292 * Kernel PF driver use mailbox to inform DPDK VF to do reset, the value
293 * of the reset level and the one defined in kernel driver should be
296 * According to the protocol of PCIe, FLR to a PF resets the PF state as
297 * well as the SR-IOV extended capability including VF Enable which
298 * means that VFs no longer exist.
300 * In PF FLR, the register state of VF is not reliable, VF's driver
301 * should not access the registers of the VF device.
303 HNS3_VF_FULL_RESET = 3,
304 HNS3_FLR_RESET, /* A VF perform FLR reset */
305 /* All VFs under the rootport perform a global or IMP reset */
307 HNS3_FUNC_RESET, /* A PF function reset */
308 /* All PFs under the rootport perform a global reset */
310 HNS3_IMP_RESET, /* All PFs under the rootport perform a IMP reset */
314 enum hns3_wait_result {
321 #define HNS3_RESET_SYNC_US 100000
323 struct hns3_reset_stats {
324 uint64_t request_cnt; /* Total request reset times */
325 uint64_t global_cnt; /* Total GLOBAL reset times */
326 uint64_t imp_cnt; /* Total IMP reset times */
327 uint64_t exec_cnt; /* Total reset executive times */
328 uint64_t success_cnt; /* Total reset successful times */
329 uint64_t fail_cnt; /* Total reset failed times */
330 uint64_t merge_cnt; /* Total merged in high reset times */
333 typedef bool (*check_completion_func)(struct hns3_hw *hw);
335 struct hns3_wait_data {
340 enum hns3_wait_result result;
341 check_completion_func check_completion;
344 struct hns3_reset_ops {
345 void (*reset_service)(void *arg);
346 int (*stop_service)(struct hns3_adapter *hns);
347 int (*prepare_reset)(struct hns3_adapter *hns);
348 int (*wait_hardware_ready)(struct hns3_adapter *hns);
349 int (*reinit_dev)(struct hns3_adapter *hns);
350 int (*restore_conf)(struct hns3_adapter *hns);
351 int (*start_service)(struct hns3_adapter *hns);
361 struct hns3_reset_data {
362 enum hns3_reset_stage stage;
364 /* Reset flag, covering the entire reset process */
366 /* Used to disable sending cmds during reset */
367 uint16_t disable_cmd;
368 /* The reset level being processed */
369 enum hns3_reset_level level;
370 /* Reset level set, each bit represents a reset level */
372 /* Request reset level set, from interrupt or mailbox */
374 int attempts; /* Reset failure retry */
375 int retries; /* Timeout failure retry in reset_post */
377 * At the time of global or IMP reset, the command cannot be sent to
378 * stop the tx/rx queues. Tx/Rx queues may be access mbuf during the
379 * reset process, so the mbuf is required to be released after the reset
380 * is completed.The mbuf_deferred_free is used to mark whether mbuf
381 * needs to be released.
383 bool mbuf_deferred_free;
384 struct timeval start_time;
385 struct hns3_reset_stats stats;
386 const struct hns3_reset_ops *ops;
387 struct hns3_wait_data *wait_data;
390 #define HNS3_INTR_MAPPING_VEC_RSV_ONE 0
391 #define HNS3_INTR_MAPPING_VEC_ALL 1
393 #define HNS3_INTR_COALESCE_GL_UINT_2US 0
394 #define HNS3_INTR_COALESCE_GL_UINT_1US 1
396 #define HNS3_INTR_QL_NONE 0
398 struct hns3_queue_intr {
400 * interrupt mapping mode.
402 * HNS3_INTR_MAPPING_VEC_RSV_ONE/HNS3_INTR_MAPPING_VEC_ALL
404 * - HNS3_INTR_MAPPING_VEC_RSV_ONE
405 * For some versions of hardware network engine, because of the
406 * hardware constraint, we need implement clearing the mapping
407 * relationship configurations by binding all queues to the last
408 * interrupt vector and reserving the last interrupt vector. This
409 * method results in a decrease of the maximum queues when upper
410 * applications call the rte_eth_dev_configure API function to
411 * enable Rx interrupt.
413 * - HNS3_INTR_MAPPING_VEC_ALL
414 * PMD driver can map/unmmap all interrupt vectors with queues When
415 * Rx interrupt in enabled.
417 uint8_t mapping_mode;
419 * The unit of GL(gap limiter) configuration for interrupt coalesce of
422 * HNS3_INTR_COALESCE_GL_UINT_2US/HNS3_INTR_COALESCE_GL_UINT_1US
425 /* The max QL(quantity limiter) value */
429 #define HNS3_TSO_SW_CAL_PSEUDO_H_CSUM 0
430 #define HNS3_TSO_HW_CAL_PSEUDO_H_CSUM 1
432 #define HNS3_PKTS_DROP_STATS_MODE1 0
433 #define HNS3_PKTS_DROP_STATS_MODE2 1
436 struct rte_eth_dev_data *data;
438 uint8_t revision; /* PCI revision, low byte of class word */
440 struct hns3_mbx_resp_status mbx_resp; /* mailbox response */
441 struct hns3_mbx_arq_ring arq; /* mailbox async rx queue */
442 pthread_t irq_thread_id;
444 unsigned int secondary_cnt; /* Number of secondary processes init'd. */
445 struct hns3_tqp_stats tqp_stats;
446 /* Include Mac stats | Rx stats | Tx stats */
447 struct hns3_mac_stats mac_stats;
448 struct hns3_rx_missed_stats imissed_stats;
449 uint64_t oerror_stats;
453 uint16_t total_tqps_num; /* total task queue pairs of this PF */
454 uint16_t tqps_num; /* num task queue pairs of this function */
455 uint16_t intr_tqps_num; /* num queue pairs mapping interrupt */
456 uint16_t rss_size_max; /* HW defined max RSS task queue */
457 uint16_t rx_buf_len; /* hold min hardware rx buf len */
458 uint16_t num_tx_desc; /* desc num of per tx queue */
459 uint16_t num_rx_desc; /* desc num of per rx queue */
460 uint32_t mng_entry_num; /* number of manager table entry */
461 uint32_t mac_entry_num; /* number of mac-vlan table entry */
463 struct rte_ether_addr mc_addrs[HNS3_MC_MACADDR_NUM];
464 int mc_addrs_num; /* Multicast mac addresses number */
466 /* The configuration info of RSS */
467 struct hns3_rss_conf rss_info;
468 bool rss_dis_flag; /* disable rss flag. true: disable, false: enable */
469 uint16_t rss_ind_tbl_size;
470 uint16_t rss_key_size;
472 uint8_t num_tc; /* Total number of enabled TCs */
474 enum hns3_fc_mode current_mode;
475 enum hns3_fc_mode requested_mode;
476 struct hns3_dcb_info dcb_info;
477 enum hns3_fc_status current_fc_status; /* current flow control status */
478 struct hns3_tc_queue_info tc_queue[HNS3_MAX_TC_NUM];
479 uint16_t used_rx_queues;
480 uint16_t used_tx_queues;
482 /* Config max queue numbers between rx and tx queues from user */
483 uint16_t cfg_max_queues;
484 struct hns3_fake_queue_data fkq_data; /* fake queue data */
485 uint16_t alloc_rss_size; /* RX queue number per TC */
486 uint16_t tx_qnum_per_tc; /* TX queue number per TC */
489 uint32_t max_tm_rate;
491 * The minimum length of the packet supported by hardware in the Tx
494 uint32_t min_tx_pkt_len;
496 struct hns3_queue_intr intr;
500 * HNS3_TSO_SW_CAL_PSEUDO_H_CSUM/HNS3_TSO_HW_CAL_PSEUDO_H_CSUM
502 * - HNS3_TSO_SW_CAL_PSEUDO_H_CSUM
503 * In this mode, because of the hardware constraint, network driver
504 * software need erase the L4 len value of the TCP pseudo header
505 * and recalculate the TCP pseudo header checksum of packets that
508 * - HNS3_TSO_HW_CAL_PSEUDO_H_CSUM
509 * In this mode, hardware support recalculate the TCP pseudo header
510 * checksum of packets that need TSO, so network driver software
511 * not need to recalculate it.
517 * HNS3_SW_SHIFT_AND_DISCARD_MODE/HNS3_HW_SHFIT_AND_DISCARD_MODE
519 * - HNS3_SW_SHIFT_AND_DISCARD_MODE
520 * For some versions of hardware network engine, because of the
521 * hardware limitation, PMD driver needs to detect the PVID status
522 * to work with haredware to implement PVID-related functions.
523 * For example, driver need discard the stripped PVID tag to ensure
524 * the PVID will not report to mbuf and shift the inserted VLAN tag
525 * to avoid port based VLAN covering it.
527 * - HNS3_HW_SHIT_AND_DISCARD_MODE
528 * PMD driver does not need to process PVID-related functions in
529 * I/O process, Hardware will adjust the sequence between port based
530 * VLAN tag and BD VLAN tag automatically and VLAN tag stripped by
531 * PVID will be invisible to driver. And in this mode, hns3 is able
532 * to send a multi-layer VLAN packets when hw VLAN insert offload
539 * HNS3_UNLIMIT_PROMISC_MODE/HNS3_LIMIT_PROMISC_MODE
541 * - HNS3_UNLIMIT_PROMISC_MODE
542 * In this mode, TX unicast promisc will be configured when promisc
543 * is set, driver can receive all the ingress and outgoing traffic.
544 * In the words, all the ingress packets, all the packets sent from
545 * the PF and other VFs on the same physical port.
547 * - HNS3_LIMIT_PROMISC_MODE
548 * In this mode, TX unicast promisc is shutdown when promisc mode
549 * is set. So, driver will only receive all the ingress traffic.
550 * The packets sent from the PF and other VFs on the same physical
551 * port won't be copied to the function which has set promisc mode.
553 uint8_t promisc_mode;
556 * drop_stats_mode mode.
558 * HNS3_PKTS_DROP_STATS_MODE1/HNS3_PKTS_DROP_STATS_MODE2
560 * - HNS3_PKTS_DROP_STATS_MODE1
561 * This mode for kunpeng920. In this mode, port level imissed stats
562 * is supported. It only includes RPU drop stats.
564 * - HNS3_PKTS_DROP_STATS_MODE2
565 * This mode for kunpeng930. In this mode, imissed stats and oerrors
566 * stats is supported. Function level imissed stats is supported. It
567 * includes RPU drop stats in VF, and includes both RPU drop stats
568 * and SSU drop stats in PF. Oerror stats is also supported in PF.
570 uint8_t drop_stats_mode;
572 uint8_t max_non_tso_bd_num; /* max BD number of one non-TSO packet */
576 * HNS3_SPECIAL_PORT_HW_CKSUM_MODE/HNS3_SPECIAL_PORT_SW_CKSUM_MODE
578 * - HNS3_SPECIAL_PORT_SW_CKSUM_MODE
579 * In this mode, HW can not do checksum for special UDP port like
580 * 4789, 4790, 6081 for non-tunnel UDP packets and UDP tunnel
581 * packets without the PKT_TX_TUNEL_MASK in the mbuf. So, PMD need
582 * do the checksum for these packets to avoid a checksum error.
584 * - HNS3_SPECIAL_PORT_HW_CKSUM_MODE
585 * In this mode, HW does not have the preceding problems and can
586 * directly calculate the checksum of these UDP packets.
588 uint8_t udp_cksum_mode;
590 struct hns3_port_base_vlan_config port_base_vlan_cfg;
592 * PMD setup and configuration is not thread safe. Since it is not
593 * performance sensitive, it is better to guarantee thread-safety
594 * and add device level lock. Adapter control operations which
595 * change its state should acquire the lock.
598 enum hns3_adapter_state adapter_state;
599 struct hns3_reset_data reset;
602 #define HNS3_FLAG_TC_BASE_SCH_MODE 1
603 #define HNS3_FLAG_VNET_BASE_SCH_MODE 2
605 /* vlan entry information. */
606 struct hns3_user_vlan_table {
607 LIST_ENTRY(hns3_user_vlan_table) next;
612 /* Vlan tag configuration for RX direction */
613 struct hns3_rx_vtag_cfg {
614 bool rx_vlan_offload_en; /* Whether enable rx vlan offload */
615 bool strip_tag1_en; /* Whether strip inner vlan tag */
616 bool strip_tag2_en; /* Whether strip outer vlan tag */
618 * If strip_tag_en is enabled, this bit decide whether to map the vlan
621 bool strip_tag1_discard_en;
622 bool strip_tag2_discard_en;
624 * If this bit is enabled, only map inner/outer priority to descriptor
625 * and the vlan tag is always 0.
627 bool vlan1_vlan_prionly;
628 bool vlan2_vlan_prionly;
631 /* Vlan tag configuration for TX direction */
632 struct hns3_tx_vtag_cfg {
633 bool accept_tag1; /* Whether accept tag1 packet from host */
634 bool accept_untag1; /* Whether accept untag1 packet from host */
637 bool insert_tag1_en; /* Whether insert outer vlan tag */
638 bool insert_tag2_en; /* Whether insert inner vlan tag */
640 * In shift mode, hw will shift the sequence of port based VLAN and
643 bool tag_shift_mode_en; /* hw shift vlan tag automatically */
644 uint16_t default_tag1; /* The default outer vlan tag to insert */
645 uint16_t default_tag2; /* The default inner vlan tag to insert */
648 struct hns3_vtag_cfg {
649 struct hns3_rx_vtag_cfg rx_vcfg;
650 struct hns3_tx_vtag_cfg tx_vcfg;
653 /* Request types for IPC. */
654 enum hns3_mp_req_type {
655 HNS3_MP_REQ_START_RXTX = 1,
656 HNS3_MP_REQ_STOP_RXTX,
660 /* Pameters for IPC. */
661 struct hns3_mp_param {
662 enum hns3_mp_req_type type;
667 /* Request timeout for IPC. */
668 #define HNS3_MP_REQ_TIMEOUT_SEC 5
670 /* Key string for IPC. */
671 #define HNS3_MP_NAME "net_hns3_mp"
673 #define HNS3_L2TBL_NUM 4
674 #define HNS3_L3TBL_NUM 16
675 #define HNS3_L4TBL_NUM 16
676 #define HNS3_OL2TBL_NUM 4
677 #define HNS3_OL3TBL_NUM 16
678 #define HNS3_OL4TBL_NUM 16
679 #define HNS3_PTYPE_NUM 256
681 struct hns3_ptype_table {
683 * The next fields used to calc packet-type by the
684 * L3_ID/L4_ID/OL3_ID/OL4_ID from the Rx descriptor.
686 uint32_t l2l3table[HNS3_L2TBL_NUM][HNS3_L3TBL_NUM];
687 uint32_t l4table[HNS3_L4TBL_NUM];
688 uint32_t inner_l2table[HNS3_L2TBL_NUM];
689 uint32_t inner_l3table[HNS3_L3TBL_NUM];
690 uint32_t inner_l4table[HNS3_L4TBL_NUM];
691 uint32_t ol2table[HNS3_OL2TBL_NUM];
692 uint32_t ol3table[HNS3_OL3TBL_NUM];
693 uint32_t ol4table[HNS3_OL4TBL_NUM];
696 * The next field used to calc packet-type by the PTYPE from the Rx
697 * descriptor, it functions only when firmware report the capability of
698 * HNS3_CAPS_RXD_ADV_LAYOUT_B and driver enabled it.
700 uint32_t ptype[HNS3_PTYPE_NUM] __rte_cache_min_aligned;
703 #define HNS3_FIXED_MAX_TQP_NUM_MODE 0
704 #define HNS3_FLEX_MAX_TQP_NUM_MODE 1
707 struct hns3_adapter *adapter;
709 uint16_t func_num; /* num functions of this pf, include pf and vfs */
713 * tqp_config_mode value range:
714 * HNS3_FIXED_MAX_TQP_NUM_MODE,
715 * HNS3_FLEX_MAX_TQP_NUM_MODE
717 * - HNS3_FIXED_MAX_TQP_NUM_MODE
718 * There is a limitation on the number of pf interrupts available for
719 * on some versions of network engines. In this case, the maximum
720 * queue number of pf can not be greater than the interrupt number,
721 * such as pf of network engine with revision_id 0x21. So the maximum
722 * number of queues must be fixed.
724 * - HNS3_FLEX_MAX_TQP_NUM_MODE
725 * In this mode, the maximum queue number of pf has not any constraint
726 * and comes from the macro RTE_LIBRTE_HNS3_MAX_TQP_NUM_PER_PF
727 * in the config file. Users can modify the macro according to their
728 * own application scenarios, which is more flexible to use.
730 uint8_t tqp_config_mode;
732 uint32_t pkt_buf_size; /* Total pf buf size for tx/rx */
733 uint32_t tx_buf_size; /* Tx buffer size for each TC */
734 uint32_t dv_buf_size; /* Dv buffer size for each TC */
736 uint16_t mps; /* Max packet size */
739 uint8_t tc_max; /* max number of tc driver supported */
740 uint8_t local_max_tc; /* max number of local tc */
742 uint8_t prio_tc[HNS3_MAX_USER_PRIO]; /* TC indexed by prio */
744 bool support_fc_autoneg; /* support FC autonegotiate */
746 uint16_t wanted_umv_size;
747 uint16_t max_umv_size;
748 uint16_t used_umv_size;
750 bool support_sfp_query;
751 uint32_t fec_mode; /* current FEC mode for ethdev */
753 struct hns3_vtag_cfg vtag_config;
754 LIST_HEAD(vlan_tbl, hns3_user_vlan_table) vlan_list;
756 struct hns3_fdir_info fdir; /* flow director info */
757 LIST_HEAD(counters, hns3_flow_counter) flow_counters;
759 struct hns3_tm_conf tm_conf;
763 struct hns3_adapter *adapter;
766 struct hns3_adapter {
769 /* Specific for PF or VF */
770 bool is_vf; /* false - PF, true - VF */
776 bool rx_simple_allowed;
778 bool tx_simple_allowed;
781 uint32_t rx_func_hint;
782 uint32_t tx_func_hint;
784 struct hns3_ptype_table ptype_tbl __rte_cache_min_aligned;
788 HNS3_IO_FUNC_HINT_NONE = 0,
789 HNS3_IO_FUNC_HINT_VEC,
790 HNS3_IO_FUNC_HINT_SVE,
791 HNS3_IO_FUNC_HINT_SIMPLE,
792 HNS3_IO_FUNC_HINT_COMMON
795 #define HNS3_DEVARG_RX_FUNC_HINT "rx_func_hint"
796 #define HNS3_DEVARG_TX_FUNC_HINT "tx_func_hint"
798 #define HNS3_DEV_SUPPORT_DCB_B 0x0
799 #define HNS3_DEV_SUPPORT_COPPER_B 0x1
800 #define HNS3_DEV_SUPPORT_UDP_GSO_B 0x2
801 #define HNS3_DEV_SUPPORT_FD_QUEUE_REGION_B 0x3
802 #define HNS3_DEV_SUPPORT_PTP_B 0x4
803 #define HNS3_DEV_SUPPORT_TX_PUSH_B 0x5
804 #define HNS3_DEV_SUPPORT_INDEP_TXRX_B 0x6
805 #define HNS3_DEV_SUPPORT_STASH_B 0x7
806 #define HNS3_DEV_SUPPORT_RXD_ADV_LAYOUT_B 0x9
807 #define HNS3_DEV_SUPPORT_OUTER_UDP_CKSUM_B 0xA
809 #define hns3_dev_dcb_supported(hw) \
810 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_DCB_B)
812 /* Support copper media type */
813 #define hns3_dev_copper_supported(hw) \
814 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_COPPER_B)
816 /* Support UDP GSO offload */
817 #define hns3_dev_udp_gso_supported(hw) \
818 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_UDP_GSO_B)
820 /* Support the queue region action rule of flow directory */
821 #define hns3_dev_fd_queue_region_supported(hw) \
822 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_FD_QUEUE_REGION_B)
824 /* Support PTP timestamp offload */
825 #define hns3_dev_ptp_supported(hw) \
826 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_PTP_B)
828 #define hns3_dev_tx_push_supported(hw) \
829 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_TX_PUSH_B)
831 /* Support to Independently enable/disable/reset Tx or Rx queues */
832 #define hns3_dev_indep_txrx_supported(hw) \
833 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_INDEP_TXRX_B)
835 #define hns3_dev_stash_supported(hw) \
836 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_STASH_B)
838 #define hns3_dev_rxd_adv_layout_supported(hw) \
839 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_RXD_ADV_LAYOUT_B)
841 #define hns3_dev_outer_udp_cksum_supported(hw) \
842 hns3_get_bit((hw)->capability, HNS3_DEV_SUPPORT_OUTER_UDP_CKSUM_B)
844 #define HNS3_DEV_PRIVATE_TO_HW(adapter) \
845 (&((struct hns3_adapter *)adapter)->hw)
846 #define HNS3_DEV_PRIVATE_TO_PF(adapter) \
847 (&((struct hns3_adapter *)adapter)->pf)
848 #define HNS3_DEV_HW_TO_ADAPTER(hw) \
849 container_of(hw, struct hns3_adapter, hw)
851 static inline struct hns3_pf *HNS3_DEV_HW_TO_PF(struct hns3_hw *hw)
853 struct hns3_adapter *adapter = HNS3_DEV_HW_TO_ADAPTER(hw);
857 #define hns3_set_field(origin, mask, shift, val) \
859 (origin) &= (~(mask)); \
860 (origin) |= ((val) << (shift)) & (mask); \
862 #define hns3_get_field(origin, mask, shift) \
863 (((origin) & (mask)) >> (shift))
864 #define hns3_set_bit(origin, shift, val) \
865 hns3_set_field((origin), (0x1UL << (shift)), (shift), (val))
866 #define hns3_get_bit(origin, shift) \
867 hns3_get_field((origin), (0x1UL << (shift)), (shift))
869 #define hns3_gen_field_val(mask, shift, val) (((val) << (shift)) & (mask))
872 * upper_32_bits - return bits 32-63 of a number
873 * A basic shift-right of a 64- or 32-bit quantity. Use this to suppress
874 * the "right shift count >= width of type" warning when that quantity is
877 #define upper_32_bits(n) ((uint32_t)(((n) >> 16) >> 16))
879 /* lower_32_bits - return bits 0-31 of a number */
880 #define lower_32_bits(n) ((uint32_t)(n))
882 #define BIT(nr) (1UL << (nr))
884 #define BIT_ULL(x) (1ULL << (x))
886 #define BITS_PER_LONG (__SIZEOF_LONG__ * 8)
887 #define GENMASK(h, l) \
888 (((~0UL) << (l)) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
890 #define roundup(x, y) ((((x) + ((y) - 1)) / (y)) * (y))
891 #define rounddown(x, y) ((x) - ((x) % (y)))
893 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
896 * Because hardware always access register in little-endian mode based on hns3
897 * network engine, so driver should also call rte_cpu_to_le_32 to convert data
898 * in little-endian mode before writing register and call rte_le_to_cpu_32 to
899 * convert data after reading from register.
901 * Here the driver encapsulates the data conversion operation in the register
902 * read/write operation function as below:
906 * Therefore, when calling these functions, conversion is not required again.
908 static inline void hns3_write_reg(void *base, uint32_t reg, uint32_t value)
910 rte_write32(rte_cpu_to_le_32(value),
911 (volatile void *)((char *)base + reg));
915 * The optimized function for writing registers used in the '.rx_pkt_burst' and
916 * '.tx_pkt_burst' ops implementation function.
918 static inline void hns3_write_reg_opt(volatile void *addr, uint32_t value)
921 rte_write32_relaxed(rte_cpu_to_le_32(value), addr);
924 static inline uint32_t hns3_read_reg(void *base, uint32_t reg)
926 uint32_t read_val = rte_read32((volatile void *)((char *)base + reg));
927 return rte_le_to_cpu_32(read_val);
930 #define hns3_write_dev(a, reg, value) \
931 hns3_write_reg((a)->io_base, (reg), (value))
933 #define hns3_read_dev(a, reg) \
934 hns3_read_reg((a)->io_base, (reg))
936 #define ARRAY_SIZE(x) RTE_DIM(x)
938 #define NEXT_ITEM_OF_ACTION(act, actions, index) \
940 act = (actions) + (index); \
941 while (act->type == RTE_FLOW_ACTION_TYPE_VOID) { \
943 act = actions + index; \
947 #define MSEC_PER_SEC 1000L
948 #define USEC_PER_MSEC 1000L
950 static inline uint64_t
951 get_timeofday_ms(void)
955 (void)gettimeofday(&tv, NULL);
957 return (uint64_t)tv.tv_sec * MSEC_PER_SEC + tv.tv_usec / USEC_PER_MSEC;
960 static inline uint64_t
961 hns3_atomic_test_bit(unsigned int nr, volatile uint64_t *addr)
965 res = (__atomic_load_n(addr, __ATOMIC_RELAXED) & (1UL << nr)) != 0;
970 hns3_atomic_set_bit(unsigned int nr, volatile uint64_t *addr)
972 __atomic_fetch_or(addr, (1UL << nr), __ATOMIC_RELAXED);
976 hns3_atomic_clear_bit(unsigned int nr, volatile uint64_t *addr)
978 __atomic_fetch_and(addr, ~(1UL << nr), __ATOMIC_RELAXED);
981 static inline int64_t
982 hns3_test_and_clear_bit(unsigned int nr, volatile uint64_t *addr)
984 uint64_t mask = (1UL << nr);
986 return __atomic_fetch_and(addr, ~mask, __ATOMIC_RELAXED) & mask;
989 int hns3_buffer_alloc(struct hns3_hw *hw);
990 int hns3_dev_flow_ops_get(struct rte_eth_dev *dev,
991 const struct rte_flow_ops **ops);
992 bool hns3_is_reset_pending(struct hns3_adapter *hns);
993 bool hns3vf_is_reset_pending(struct hns3_adapter *hns);
994 void hns3_update_link_status_and_event(struct hns3_hw *hw);
995 void hns3_ether_format_addr(char *buf, uint16_t size,
996 const struct rte_ether_addr *ether_addr);
997 int hns3_dev_infos_get(struct rte_eth_dev *eth_dev,
998 struct rte_eth_dev_info *info);
999 void hns3vf_update_link_status(struct hns3_hw *hw, uint8_t link_status,
1000 uint32_t link_speed, uint8_t link_duplex);
1001 void hns3_parse_devargs(struct rte_eth_dev *dev);
1004 is_reset_pending(struct hns3_adapter *hns)
1008 ret = hns3vf_is_reset_pending(hns);
1010 ret = hns3_is_reset_pending(hns);
1014 static inline uint64_t
1015 hns3_txvlan_cap_get(struct hns3_hw *hw)
1017 if (hw->port_base_vlan_cfg.state)
1018 return DEV_TX_OFFLOAD_VLAN_INSERT;
1020 return DEV_TX_OFFLOAD_VLAN_INSERT | DEV_TX_OFFLOAD_QINQ_INSERT;
1023 #endif /* _HNS3_ETHDEV_H_ */