1 /* SPDX-License-Identifier: GPL-2.0+ */
2 // Copyright (c) 2016-2017 Hisilicon Limited.
3 
4 #ifndef __HNAE3_H
5 #define __HNAE3_H
6 
7 /* Names used in this framework:
8  *      ae handle (handle):
9  *        a set of queues provided by AE
10  *      ring buffer queue (rbq):
11  *        the channel between upper layer and the AE, can do tx and rx
12  *      ring:
13  *        a tx or rx channel within a rbq
14  *      ring description (desc):
15  *        an element in the ring with packet information
16  *      buffer:
17  *        a memory region referred by desc with the full packet payload
18  *
19  * "num" means a static number set as a parameter, "count" mean a dynamic
20  *   number set while running
21  * "cb" means control block
22  */
23 
24 #include <linux/acpi.h>
25 #include <linux/dcbnl.h>
26 #include <linux/delay.h>
27 #include <linux/device.h>
28 #include <linux/ethtool.h>
29 #include <linux/module.h>
30 #include <linux/netdevice.h>
31 #include <linux/pci.h>
32 #include <linux/pkt_sched.h>
33 #include <linux/types.h>
34 #include <net/pkt_cls.h>
35 
36 #define HNAE3_MOD_VERSION "1.0"
37 
38 #define HNAE3_MIN_VECTOR_NUM	2 /* first one for misc, another for IO */
39 
40 /* Device version */
41 #define HNAE3_DEVICE_VERSION_V1   0x00020
42 #define HNAE3_DEVICE_VERSION_V2   0x00021
43 #define HNAE3_DEVICE_VERSION_V3   0x00030
44 
45 #define HNAE3_PCI_REVISION_BIT_SIZE		8
46 
47 /* Device IDs */
48 #define HNAE3_DEV_ID_GE				0xA220
49 #define HNAE3_DEV_ID_25GE			0xA221
50 #define HNAE3_DEV_ID_25GE_RDMA			0xA222
51 #define HNAE3_DEV_ID_25GE_RDMA_MACSEC		0xA223
52 #define HNAE3_DEV_ID_50GE_RDMA			0xA224
53 #define HNAE3_DEV_ID_50GE_RDMA_MACSEC		0xA225
54 #define HNAE3_DEV_ID_100G_RDMA_MACSEC		0xA226
55 #define HNAE3_DEV_ID_200G_RDMA			0xA228
56 #define HNAE3_DEV_ID_VF				0xA22E
57 #define HNAE3_DEV_ID_RDMA_DCB_PFC_VF		0xA22F
58 
59 #define HNAE3_CLASS_NAME_SIZE 16
60 
61 #define HNAE3_DEV_INITED_B			0x0
62 #define HNAE3_DEV_SUPPORT_ROCE_B		0x1
63 #define HNAE3_DEV_SUPPORT_DCB_B			0x2
64 #define HNAE3_KNIC_CLIENT_INITED_B		0x3
65 #define HNAE3_UNIC_CLIENT_INITED_B		0x4
66 #define HNAE3_ROCE_CLIENT_INITED_B		0x5
67 
68 #define HNAE3_DEV_SUPPORT_ROCE_DCB_BITS (BIT(HNAE3_DEV_SUPPORT_DCB_B) |\
69 		BIT(HNAE3_DEV_SUPPORT_ROCE_B))
70 
71 #define hnae3_dev_roce_supported(hdev) \
72 	hnae3_get_bit((hdev)->ae_dev->flag, HNAE3_DEV_SUPPORT_ROCE_B)
73 
74 #define hnae3_dev_dcb_supported(hdev) \
75 	hnae3_get_bit((hdev)->ae_dev->flag, HNAE3_DEV_SUPPORT_DCB_B)
76 
77 enum HNAE3_DEV_CAP_BITS {
78 	HNAE3_DEV_SUPPORT_FD_B,
79 	HNAE3_DEV_SUPPORT_GRO_B,
80 	HNAE3_DEV_SUPPORT_FEC_B,
81 	HNAE3_DEV_SUPPORT_UDP_GSO_B,
82 	HNAE3_DEV_SUPPORT_QB_B,
83 	HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B,
84 	HNAE3_DEV_SUPPORT_PTP_B,
85 	HNAE3_DEV_SUPPORT_INT_QL_B,
86 	HNAE3_DEV_SUPPORT_HW_TX_CSUM_B,
87 	HNAE3_DEV_SUPPORT_TX_PUSH_B,
88 	HNAE3_DEV_SUPPORT_PHY_IMP_B,
89 	HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B,
90 	HNAE3_DEV_SUPPORT_HW_PAD_B,
91 	HNAE3_DEV_SUPPORT_STASH_B,
92 	HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B,
93 };
94 
95 #define hnae3_dev_fd_supported(hdev) \
96 	test_bit(HNAE3_DEV_SUPPORT_FD_B, (hdev)->ae_dev->caps)
97 
98 #define hnae3_dev_gro_supported(hdev) \
99 	test_bit(HNAE3_DEV_SUPPORT_GRO_B, (hdev)->ae_dev->caps)
100 
101 #define hnae3_dev_fec_supported(hdev) \
102 	test_bit(HNAE3_DEV_SUPPORT_FEC_B, (hdev)->ae_dev->caps)
103 
104 #define hnae3_dev_udp_gso_supported(hdev) \
105 	test_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, (hdev)->ae_dev->caps)
106 
107 #define hnae3_dev_qb_supported(hdev) \
108 	test_bit(HNAE3_DEV_SUPPORT_QB_B, (hdev)->ae_dev->caps)
109 
110 #define hnae3_dev_fd_forward_tc_supported(hdev) \
111 	test_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, (hdev)->ae_dev->caps)
112 
113 #define hnae3_dev_ptp_supported(hdev) \
114 	test_bit(HNAE3_DEV_SUPPORT_PTP_B, (hdev)->ae_dev->caps)
115 
116 #define hnae3_dev_int_ql_supported(hdev) \
117 	test_bit(HNAE3_DEV_SUPPORT_INT_QL_B, (hdev)->ae_dev->caps)
118 
119 #define hnae3_dev_hw_csum_supported(hdev) \
120 	test_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, (hdev)->ae_dev->caps)
121 
122 #define hnae3_dev_tx_push_supported(hdev) \
123 	test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, (hdev)->ae_dev->caps)
124 
125 #define hnae3_dev_phy_imp_supported(hdev) \
126 	test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, (hdev)->ae_dev->caps)
127 
128 #define hnae3_dev_tqp_txrx_indep_supported(hdev) \
129 	test_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, (hdev)->ae_dev->caps)
130 
131 #define hnae3_dev_hw_pad_supported(hdev) \
132 	test_bit(HNAE3_DEV_SUPPORT_HW_PAD_B, (hdev)->ae_dev->caps)
133 
134 #define hnae3_dev_stash_supported(hdev) \
135 	test_bit(HNAE3_DEV_SUPPORT_STASH_B, (hdev)->ae_dev->caps)
136 
137 #define hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev) \
138 	test_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, (ae_dev)->caps)
139 
140 #define ring_ptr_move_fw(ring, p) \
141 	((ring)->p = ((ring)->p + 1) % (ring)->desc_num)
142 #define ring_ptr_move_bw(ring, p) \
143 	((ring)->p = ((ring)->p - 1 + (ring)->desc_num) % (ring)->desc_num)
144 
145 enum hns_desc_type {
146 	DESC_TYPE_UNKNOWN,
147 	DESC_TYPE_SKB,
148 	DESC_TYPE_FRAGLIST_SKB,
149 	DESC_TYPE_PAGE,
150 };
151 
152 struct hnae3_handle;
153 
154 struct hnae3_queue {
155 	void __iomem *io_base;
156 	struct hnae3_ae_algo *ae_algo;
157 	struct hnae3_handle *handle;
158 	int tqp_index;		/* index in a handle */
159 	u32 buf_size;		/* size for hnae_desc->addr, preset by AE */
160 	u16 tx_desc_num;	/* total number of tx desc */
161 	u16 rx_desc_num;	/* total number of rx desc */
162 };
163 
164 struct hns3_mac_stats {
165 	u64 tx_pause_cnt;
166 	u64 rx_pause_cnt;
167 };
168 
169 /* hnae3 loop mode */
170 enum hnae3_loop {
171 	HNAE3_LOOP_APP,
172 	HNAE3_LOOP_SERIAL_SERDES,
173 	HNAE3_LOOP_PARALLEL_SERDES,
174 	HNAE3_LOOP_PHY,
175 	HNAE3_LOOP_NONE,
176 };
177 
178 enum hnae3_client_type {
179 	HNAE3_CLIENT_KNIC,
180 	HNAE3_CLIENT_ROCE,
181 };
182 
183 /* mac media type */
184 enum hnae3_media_type {
185 	HNAE3_MEDIA_TYPE_UNKNOWN,
186 	HNAE3_MEDIA_TYPE_FIBER,
187 	HNAE3_MEDIA_TYPE_COPPER,
188 	HNAE3_MEDIA_TYPE_BACKPLANE,
189 	HNAE3_MEDIA_TYPE_NONE,
190 };
191 
192 /* must be consistent with definition in firmware */
193 enum hnae3_module_type {
194 	HNAE3_MODULE_TYPE_UNKNOWN	= 0x00,
195 	HNAE3_MODULE_TYPE_FIBRE_LR	= 0x01,
196 	HNAE3_MODULE_TYPE_FIBRE_SR	= 0x02,
197 	HNAE3_MODULE_TYPE_AOC		= 0x03,
198 	HNAE3_MODULE_TYPE_CR		= 0x04,
199 	HNAE3_MODULE_TYPE_KR		= 0x05,
200 	HNAE3_MODULE_TYPE_TP		= 0x06,
201 };
202 
203 enum hnae3_fec_mode {
204 	HNAE3_FEC_AUTO = 0,
205 	HNAE3_FEC_BASER,
206 	HNAE3_FEC_RS,
207 	HNAE3_FEC_USER_DEF,
208 };
209 
210 enum hnae3_reset_notify_type {
211 	HNAE3_UP_CLIENT,
212 	HNAE3_DOWN_CLIENT,
213 	HNAE3_INIT_CLIENT,
214 	HNAE3_UNINIT_CLIENT,
215 };
216 
217 enum hnae3_hw_error_type {
218 	HNAE3_PPU_POISON_ERROR,
219 	HNAE3_CMDQ_ECC_ERROR,
220 	HNAE3_IMP_RD_POISON_ERROR,
221 	HNAE3_ROCEE_AXI_RESP_ERROR,
222 };
223 
224 enum hnae3_reset_type {
225 	HNAE3_VF_RESET,
226 	HNAE3_VF_FUNC_RESET,
227 	HNAE3_VF_PF_FUNC_RESET,
228 	HNAE3_VF_FULL_RESET,
229 	HNAE3_FLR_RESET,
230 	HNAE3_FUNC_RESET,
231 	HNAE3_GLOBAL_RESET,
232 	HNAE3_IMP_RESET,
233 	HNAE3_UNKNOWN_RESET,
234 	HNAE3_NONE_RESET,
235 	HNAE3_MAX_RESET,
236 };
237 
238 enum hnae3_port_base_vlan_state {
239 	HNAE3_PORT_BASE_VLAN_DISABLE,
240 	HNAE3_PORT_BASE_VLAN_ENABLE,
241 	HNAE3_PORT_BASE_VLAN_MODIFY,
242 	HNAE3_PORT_BASE_VLAN_NOCHANGE,
243 };
244 
245 struct hnae3_vector_info {
246 	u8 __iomem *io_addr;
247 	int vector;
248 };
249 
250 #define HNAE3_RING_TYPE_B 0
251 #define HNAE3_RING_TYPE_TX 0
252 #define HNAE3_RING_TYPE_RX 1
253 #define HNAE3_RING_GL_IDX_S 0
254 #define HNAE3_RING_GL_IDX_M GENMASK(1, 0)
255 #define HNAE3_RING_GL_RX 0
256 #define HNAE3_RING_GL_TX 1
257 
258 #define HNAE3_FW_VERSION_BYTE3_SHIFT	24
259 #define HNAE3_FW_VERSION_BYTE3_MASK	GENMASK(31, 24)
260 #define HNAE3_FW_VERSION_BYTE2_SHIFT	16
261 #define HNAE3_FW_VERSION_BYTE2_MASK	GENMASK(23, 16)
262 #define HNAE3_FW_VERSION_BYTE1_SHIFT	8
263 #define HNAE3_FW_VERSION_BYTE1_MASK	GENMASK(15, 8)
264 #define HNAE3_FW_VERSION_BYTE0_SHIFT	0
265 #define HNAE3_FW_VERSION_BYTE0_MASK	GENMASK(7, 0)
266 
267 struct hnae3_ring_chain_node {
268 	struct hnae3_ring_chain_node *next;
269 	u32 tqp_index;
270 	u32 flag;
271 	u32 int_gl_idx;
272 };
273 
274 #define HNAE3_IS_TX_RING(node) \
275 	(((node)->flag & 1 << HNAE3_RING_TYPE_B) == HNAE3_RING_TYPE_TX)
276 
277 /* device specification info from firmware */
278 struct hnae3_dev_specs {
279 	u32 mac_entry_num; /* number of mac-vlan table entry */
280 	u32 mng_entry_num; /* number of manager table entry */
281 	u32 max_tm_rate;
282 	u16 rss_ind_tbl_size;
283 	u16 rss_key_size;
284 	u16 int_ql_max; /* max value of interrupt coalesce based on INT_QL */
285 	u16 max_int_gl; /* max value of interrupt coalesce based on INT_GL */
286 	u8 max_non_tso_bd_num; /* max BD number of one non-TSO packet */
287 	u16 max_frm_size;
288 	u16 max_qset_num;
289 };
290 
291 struct hnae3_client_ops {
292 	int (*init_instance)(struct hnae3_handle *handle);
293 	void (*uninit_instance)(struct hnae3_handle *handle, bool reset);
294 	void (*link_status_change)(struct hnae3_handle *handle, bool state);
295 	int (*reset_notify)(struct hnae3_handle *handle,
296 			    enum hnae3_reset_notify_type type);
297 	void (*process_hw_error)(struct hnae3_handle *handle,
298 				 enum hnae3_hw_error_type);
299 };
300 
301 #define HNAE3_CLIENT_NAME_LENGTH 16
302 struct hnae3_client {
303 	char name[HNAE3_CLIENT_NAME_LENGTH];
304 	unsigned long state;
305 	enum hnae3_client_type type;
306 	const struct hnae3_client_ops *ops;
307 	struct list_head node;
308 };
309 
310 #define HNAE3_DEV_CAPS_MAX_NUM	96
311 struct hnae3_ae_dev {
312 	struct pci_dev *pdev;
313 	const struct hnae3_ae_ops *ops;
314 	struct list_head node;
315 	u32 flag;
316 	unsigned long hw_err_reset_req;
317 	struct hnae3_dev_specs dev_specs;
318 	u32 dev_version;
319 	unsigned long caps[BITS_TO_LONGS(HNAE3_DEV_CAPS_MAX_NUM)];
320 	void *priv;
321 };
322 
323 /* This struct defines the operation on the handle.
324  *
325  * init_ae_dev(): (mandatory)
326  *   Get PF configure from pci_dev and initialize PF hardware
327  * uninit_ae_dev()
328  *   Disable PF device and release PF resource
329  * register_client
330  *   Register client to ae_dev
331  * unregister_client()
332  *   Unregister client from ae_dev
333  * start()
334  *   Enable the hardware
335  * stop()
336  *   Disable the hardware
337  * start_client()
338  *   Inform the hclge that client has been started
339  * stop_client()
340  *   Inform the hclge that client has been stopped
341  * get_status()
342  *   Get the carrier state of the back channel of the handle, 1 for ok, 0 for
343  *   non-ok
344  * get_ksettings_an_result()
345  *   Get negotiation status,speed and duplex
346  * get_media_type()
347  *   Get media type of MAC
348  * check_port_speed()
349  *   Check target speed whether is supported
350  * adjust_link()
351  *   Adjust link status
352  * set_loopback()
353  *   Set loopback
354  * set_promisc_mode
355  *   Set promisc mode
356  * request_update_promisc_mode
357  *   request to hclge(vf) to update promisc mode
358  * set_mtu()
359  *   set mtu
360  * get_pauseparam()
361  *   get tx and rx of pause frame use
362  * set_pauseparam()
363  *   set tx and rx of pause frame use
364  * set_autoneg()
365  *   set auto autonegotiation of pause frame use
366  * get_autoneg()
367  *   get auto autonegotiation of pause frame use
368  * restart_autoneg()
369  *   restart autonegotiation
370  * halt_autoneg()
371  *   halt/resume autonegotiation when autonegotiation on
372  * get_coalesce_usecs()
373  *   get usecs to delay a TX interrupt after a packet is sent
374  * get_rx_max_coalesced_frames()
375  *   get Maximum number of packets to be sent before a TX interrupt.
376  * set_coalesce_usecs()
377  *   set usecs to delay a TX interrupt after a packet is sent
378  * set_coalesce_frames()
379  *   set Maximum number of packets to be sent before a TX interrupt.
380  * get_mac_addr()
381  *   get mac address
382  * set_mac_addr()
383  *   set mac address
384  * add_uc_addr
385  *   Add unicast addr to mac table
386  * rm_uc_addr
387  *   Remove unicast addr from mac table
388  * set_mc_addr()
389  *   Set multicast address
390  * add_mc_addr
391  *   Add multicast address to mac table
392  * rm_mc_addr
393  *   Remove multicast address from mac table
394  * update_stats()
395  *   Update Old network device statistics
396  * get_mac_stats()
397  *   get mac pause statistics including tx_cnt and rx_cnt
398  * get_ethtool_stats()
399  *   Get ethtool network device statistics
400  * get_strings()
401  *   Get a set of strings that describe the requested objects
402  * get_sset_count()
403  *   Get number of strings that @get_strings will write
404  * update_led_status()
405  *   Update the led status
406  * set_led_id()
407  *   Set led id
408  * get_regs()
409  *   Get regs dump
410  * get_regs_len()
411  *   Get the len of the regs dump
412  * get_rss_key_size()
413  *   Get rss key size
414  * get_rss()
415  *   Get rss table
416  * set_rss()
417  *   Set rss table
418  * get_tc_size()
419  *   Get tc size of handle
420  * get_vector()
421  *   Get vector number and vector information
422  * put_vector()
423  *   Put the vector in hdev
424  * map_ring_to_vector()
425  *   Map rings to vector
426  * unmap_ring_from_vector()
427  *   Unmap rings from vector
428  * reset_queue()
429  *   Reset queue
430  * get_fw_version()
431  *   Get firmware version
432  * get_mdix_mode()
433  *   Get media typr of phy
434  * enable_vlan_filter()
435  *   Enable vlan filter
436  * set_vlan_filter()
437  *   Set vlan filter config of Ports
438  * set_vf_vlan_filter()
439  *   Set vlan filter config of vf
440  * enable_hw_strip_rxvtag()
441  *   Enable/disable hardware strip vlan tag of packets received
442  * set_gro_en
443  *   Enable/disable HW GRO
444  * add_arfs_entry
445  *   Check the 5-tuples of flow, and create flow director rule
446  * get_vf_config
447  *   Get the VF configuration setting by the host
448  * set_vf_link_state
449  *   Set VF link status
450  * set_vf_spoofchk
451  *   Enable/disable spoof check for specified vf
452  * set_vf_trust
453  *   Enable/disable trust for specified vf, if the vf being trusted, then
454  *   it can enable promisc mode
455  * set_vf_rate
456  *   Set the max tx rate of specified vf.
457  * set_vf_mac
458  *   Configure the default MAC for specified VF
459  * get_module_eeprom
460  *   Get the optical module eeprom info.
461  * add_cls_flower
462  *   Add clsflower rule
463  * del_cls_flower
464  *   Delete clsflower rule
465  * cls_flower_active
466  *   Check if any cls flower rule exist
467  * dbg_read_cmd
468  *   Execute debugfs read command.
469  */
470 struct hnae3_ae_ops {
471 	int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
472 	void (*uninit_ae_dev)(struct hnae3_ae_dev *ae_dev);
473 	void (*flr_prepare)(struct hnae3_ae_dev *ae_dev);
474 	void (*flr_done)(struct hnae3_ae_dev *ae_dev);
475 	int (*init_client_instance)(struct hnae3_client *client,
476 				    struct hnae3_ae_dev *ae_dev);
477 	void (*uninit_client_instance)(struct hnae3_client *client,
478 				       struct hnae3_ae_dev *ae_dev);
479 	int (*start)(struct hnae3_handle *handle);
480 	void (*stop)(struct hnae3_handle *handle);
481 	int (*client_start)(struct hnae3_handle *handle);
482 	void (*client_stop)(struct hnae3_handle *handle);
483 	int (*get_status)(struct hnae3_handle *handle);
484 	void (*get_ksettings_an_result)(struct hnae3_handle *handle,
485 					u8 *auto_neg, u32 *speed, u8 *duplex);
486 
487 	int (*cfg_mac_speed_dup_h)(struct hnae3_handle *handle, int speed,
488 				   u8 duplex);
489 
490 	void (*get_media_type)(struct hnae3_handle *handle, u8 *media_type,
491 			       u8 *module_type);
492 	int (*check_port_speed)(struct hnae3_handle *handle, u32 speed);
493 	void (*get_fec)(struct hnae3_handle *handle, u8 *fec_ability,
494 			u8 *fec_mode);
495 	int (*set_fec)(struct hnae3_handle *handle, u32 fec_mode);
496 	void (*adjust_link)(struct hnae3_handle *handle, int speed, int duplex);
497 	int (*set_loopback)(struct hnae3_handle *handle,
498 			    enum hnae3_loop loop_mode, bool en);
499 
500 	int (*set_promisc_mode)(struct hnae3_handle *handle, bool en_uc_pmc,
501 				bool en_mc_pmc);
502 	void (*request_update_promisc_mode)(struct hnae3_handle *handle);
503 	int (*set_mtu)(struct hnae3_handle *handle, int new_mtu);
504 
505 	void (*get_pauseparam)(struct hnae3_handle *handle,
506 			       u32 *auto_neg, u32 *rx_en, u32 *tx_en);
507 	int (*set_pauseparam)(struct hnae3_handle *handle,
508 			      u32 auto_neg, u32 rx_en, u32 tx_en);
509 
510 	int (*set_autoneg)(struct hnae3_handle *handle, bool enable);
511 	int (*get_autoneg)(struct hnae3_handle *handle);
512 	int (*restart_autoneg)(struct hnae3_handle *handle);
513 	int (*halt_autoneg)(struct hnae3_handle *handle, bool halt);
514 
515 	void (*get_coalesce_usecs)(struct hnae3_handle *handle,
516 				   u32 *tx_usecs, u32 *rx_usecs);
517 	void (*get_rx_max_coalesced_frames)(struct hnae3_handle *handle,
518 					    u32 *tx_frames, u32 *rx_frames);
519 	int (*set_coalesce_usecs)(struct hnae3_handle *handle, u32 timeout);
520 	int (*set_coalesce_frames)(struct hnae3_handle *handle,
521 				   u32 coalesce_frames);
522 	void (*get_coalesce_range)(struct hnae3_handle *handle,
523 				   u32 *tx_frames_low, u32 *rx_frames_low,
524 				   u32 *tx_frames_high, u32 *rx_frames_high,
525 				   u32 *tx_usecs_low, u32 *rx_usecs_low,
526 				   u32 *tx_usecs_high, u32 *rx_usecs_high);
527 
528 	void (*get_mac_addr)(struct hnae3_handle *handle, u8 *p);
529 	int (*set_mac_addr)(struct hnae3_handle *handle, void *p,
530 			    bool is_first);
531 	int (*do_ioctl)(struct hnae3_handle *handle,
532 			struct ifreq *ifr, int cmd);
533 	int (*add_uc_addr)(struct hnae3_handle *handle,
534 			   const unsigned char *addr);
535 	int (*rm_uc_addr)(struct hnae3_handle *handle,
536 			  const unsigned char *addr);
537 	int (*set_mc_addr)(struct hnae3_handle *handle, void *addr);
538 	int (*add_mc_addr)(struct hnae3_handle *handle,
539 			   const unsigned char *addr);
540 	int (*rm_mc_addr)(struct hnae3_handle *handle,
541 			  const unsigned char *addr);
542 	void (*set_tso_stats)(struct hnae3_handle *handle, int enable);
543 	void (*update_stats)(struct hnae3_handle *handle,
544 			     struct net_device_stats *net_stats);
545 	void (*get_stats)(struct hnae3_handle *handle, u64 *data);
546 	void (*get_mac_stats)(struct hnae3_handle *handle,
547 			      struct hns3_mac_stats *mac_stats);
548 	void (*get_strings)(struct hnae3_handle *handle,
549 			    u32 stringset, u8 *data);
550 	int (*get_sset_count)(struct hnae3_handle *handle, int stringset);
551 
552 	void (*get_regs)(struct hnae3_handle *handle, u32 *version,
553 			 void *data);
554 	int (*get_regs_len)(struct hnae3_handle *handle);
555 
556 	u32 (*get_rss_key_size)(struct hnae3_handle *handle);
557 	int (*get_rss)(struct hnae3_handle *handle, u32 *indir, u8 *key,
558 		       u8 *hfunc);
559 	int (*set_rss)(struct hnae3_handle *handle, const u32 *indir,
560 		       const u8 *key, const u8 hfunc);
561 	int (*set_rss_tuple)(struct hnae3_handle *handle,
562 			     struct ethtool_rxnfc *cmd);
563 	int (*get_rss_tuple)(struct hnae3_handle *handle,
564 			     struct ethtool_rxnfc *cmd);
565 
566 	int (*get_tc_size)(struct hnae3_handle *handle);
567 
568 	int (*get_vector)(struct hnae3_handle *handle, u16 vector_num,
569 			  struct hnae3_vector_info *vector_info);
570 	int (*put_vector)(struct hnae3_handle *handle, int vector_num);
571 	int (*map_ring_to_vector)(struct hnae3_handle *handle,
572 				  int vector_num,
573 				  struct hnae3_ring_chain_node *vr_chain);
574 	int (*unmap_ring_from_vector)(struct hnae3_handle *handle,
575 				      int vector_num,
576 				      struct hnae3_ring_chain_node *vr_chain);
577 
578 	int (*reset_queue)(struct hnae3_handle *handle, u16 queue_id);
579 	u32 (*get_fw_version)(struct hnae3_handle *handle);
580 	void (*get_mdix_mode)(struct hnae3_handle *handle,
581 			      u8 *tp_mdix_ctrl, u8 *tp_mdix);
582 
583 	void (*enable_vlan_filter)(struct hnae3_handle *handle, bool enable);
584 	int (*set_vlan_filter)(struct hnae3_handle *handle, __be16 proto,
585 			       u16 vlan_id, bool is_kill);
586 	int (*set_vf_vlan_filter)(struct hnae3_handle *handle, int vfid,
587 				  u16 vlan, u8 qos, __be16 proto);
588 	int (*enable_hw_strip_rxvtag)(struct hnae3_handle *handle, bool enable);
589 	void (*reset_event)(struct pci_dev *pdev, struct hnae3_handle *handle);
590 	enum hnae3_reset_type (*get_reset_level)(struct hnae3_ae_dev *ae_dev,
591 						 unsigned long *addr);
592 	void (*set_default_reset_request)(struct hnae3_ae_dev *ae_dev,
593 					  enum hnae3_reset_type rst_type);
594 	void (*get_channels)(struct hnae3_handle *handle,
595 			     struct ethtool_channels *ch);
596 	void (*get_tqps_and_rss_info)(struct hnae3_handle *h,
597 				      u16 *alloc_tqps, u16 *max_rss_size);
598 	int (*set_channels)(struct hnae3_handle *handle, u32 new_tqps_num,
599 			    bool rxfh_configured);
600 	void (*get_flowctrl_adv)(struct hnae3_handle *handle,
601 				 u32 *flowctrl_adv);
602 	int (*set_led_id)(struct hnae3_handle *handle,
603 			  enum ethtool_phys_id_state status);
604 	void (*get_link_mode)(struct hnae3_handle *handle,
605 			      unsigned long *supported,
606 			      unsigned long *advertising);
607 	int (*add_fd_entry)(struct hnae3_handle *handle,
608 			    struct ethtool_rxnfc *cmd);
609 	int (*del_fd_entry)(struct hnae3_handle *handle,
610 			    struct ethtool_rxnfc *cmd);
611 	void (*del_all_fd_entries)(struct hnae3_handle *handle,
612 				   bool clear_list);
613 	int (*get_fd_rule_cnt)(struct hnae3_handle *handle,
614 			       struct ethtool_rxnfc *cmd);
615 	int (*get_fd_rule_info)(struct hnae3_handle *handle,
616 				struct ethtool_rxnfc *cmd);
617 	int (*get_fd_all_rules)(struct hnae3_handle *handle,
618 				struct ethtool_rxnfc *cmd, u32 *rule_locs);
619 	void (*enable_fd)(struct hnae3_handle *handle, bool enable);
620 	int (*add_arfs_entry)(struct hnae3_handle *handle, u16 queue_id,
621 			      u16 flow_id, struct flow_keys *fkeys);
622 	int (*dbg_run_cmd)(struct hnae3_handle *handle, const char *cmd_buf);
623 	int (*dbg_read_cmd)(struct hnae3_handle *handle, const char *cmd_buf,
624 			    char *buf, int len);
625 	pci_ers_result_t (*handle_hw_ras_error)(struct hnae3_ae_dev *ae_dev);
626 	bool (*get_hw_reset_stat)(struct hnae3_handle *handle);
627 	bool (*ae_dev_resetting)(struct hnae3_handle *handle);
628 	unsigned long (*ae_dev_reset_cnt)(struct hnae3_handle *handle);
629 	int (*set_gro_en)(struct hnae3_handle *handle, bool enable);
630 	u16 (*get_global_queue_id)(struct hnae3_handle *handle, u16 queue_id);
631 	void (*set_timer_task)(struct hnae3_handle *handle, bool enable);
632 	int (*mac_connect_phy)(struct hnae3_handle *handle);
633 	void (*mac_disconnect_phy)(struct hnae3_handle *handle);
634 	int (*get_vf_config)(struct hnae3_handle *handle, int vf,
635 			     struct ifla_vf_info *ivf);
636 	int (*set_vf_link_state)(struct hnae3_handle *handle, int vf,
637 				 int link_state);
638 	int (*set_vf_spoofchk)(struct hnae3_handle *handle, int vf,
639 			       bool enable);
640 	int (*set_vf_trust)(struct hnae3_handle *handle, int vf, bool enable);
641 	int (*set_vf_rate)(struct hnae3_handle *handle, int vf,
642 			   int min_tx_rate, int max_tx_rate, bool force);
643 	int (*set_vf_mac)(struct hnae3_handle *handle, int vf, u8 *p);
644 	int (*get_module_eeprom)(struct hnae3_handle *handle, u32 offset,
645 				 u32 len, u8 *data);
646 	bool (*get_cmdq_stat)(struct hnae3_handle *handle);
647 	int (*add_cls_flower)(struct hnae3_handle *handle,
648 			      struct flow_cls_offload *cls_flower, int tc);
649 	int (*del_cls_flower)(struct hnae3_handle *handle,
650 			      struct flow_cls_offload *cls_flower);
651 	bool (*cls_flower_active)(struct hnae3_handle *handle);
652 };
653 
654 struct hnae3_dcb_ops {
655 	/* IEEE 802.1Qaz std */
656 	int (*ieee_getets)(struct hnae3_handle *, struct ieee_ets *);
657 	int (*ieee_setets)(struct hnae3_handle *, struct ieee_ets *);
658 	int (*ieee_getpfc)(struct hnae3_handle *, struct ieee_pfc *);
659 	int (*ieee_setpfc)(struct hnae3_handle *, struct ieee_pfc *);
660 
661 	/* DCBX configuration */
662 	u8   (*getdcbx)(struct hnae3_handle *);
663 	u8   (*setdcbx)(struct hnae3_handle *, u8);
664 
665 	int (*setup_tc)(struct hnae3_handle *handle,
666 			struct tc_mqprio_qopt_offload *mqprio_qopt);
667 };
668 
669 struct hnae3_ae_algo {
670 	const struct hnae3_ae_ops *ops;
671 	struct list_head node;
672 	const struct pci_device_id *pdev_id_table;
673 };
674 
675 #define HNAE3_INT_NAME_LEN        32
676 #define HNAE3_ITR_COUNTDOWN_START 100
677 
678 #define HNAE3_MAX_TC		8
679 #define HNAE3_MAX_USER_PRIO	8
680 struct hnae3_tc_info {
681 	u8 prio_tc[HNAE3_MAX_USER_PRIO]; /* TC indexed by prio */
682 	u16 tqp_count[HNAE3_MAX_TC];
683 	u16 tqp_offset[HNAE3_MAX_TC];
684 	unsigned long tc_en; /* bitmap of TC enabled */
685 	u8 num_tc; /* Total number of enabled TCs */
686 	bool mqprio_active;
687 };
688 
689 struct hnae3_knic_private_info {
690 	struct net_device *netdev; /* Set by KNIC client when init instance */
691 	u16 rss_size;		   /* Allocated RSS queues */
692 	u16 req_rss_size;
693 	u16 rx_buf_len;
694 	u16 num_tx_desc;
695 	u16 num_rx_desc;
696 
697 	struct hnae3_tc_info tc_info;
698 
699 	u16 num_tqps;		  /* total number of TQPs in this handle */
700 	struct hnae3_queue **tqp;  /* array base of all TQPs in this instance */
701 	const struct hnae3_dcb_ops *dcb_ops;
702 
703 	u16 int_rl_setting;
704 	enum pkt_hash_types rss_type;
705 };
706 
707 struct hnae3_roce_private_info {
708 	struct net_device *netdev;
709 	void __iomem *roce_io_base;
710 	void __iomem *roce_mem_base;
711 	int base_vector;
712 	int num_vectors;
713 
714 	/* The below attributes defined for RoCE client, hnae3 gives
715 	 * initial values to them, and RoCE client can modify and use
716 	 * them.
717 	 */
718 	unsigned long reset_state;
719 	unsigned long instance_state;
720 	unsigned long state;
721 };
722 
723 #define HNAE3_SUPPORT_APP_LOOPBACK    BIT(0)
724 #define HNAE3_SUPPORT_PHY_LOOPBACK    BIT(1)
725 #define HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK	BIT(2)
726 #define HNAE3_SUPPORT_VF	      BIT(3)
727 #define HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK	BIT(4)
728 
729 #define HNAE3_USER_UPE		BIT(0)	/* unicast promisc enabled by user */
730 #define HNAE3_USER_MPE		BIT(1)	/* mulitcast promisc enabled by user */
731 #define HNAE3_BPE		BIT(2)	/* broadcast promisc enable */
732 #define HNAE3_OVERFLOW_UPE	BIT(3)	/* unicast mac vlan overflow */
733 #define HNAE3_OVERFLOW_MPE	BIT(4)	/* multicast mac vlan overflow */
734 #define HNAE3_VLAN_FLTR		BIT(5)	/* enable vlan filter */
735 #define HNAE3_UPE		(HNAE3_USER_UPE | HNAE3_OVERFLOW_UPE)
736 #define HNAE3_MPE		(HNAE3_USER_MPE | HNAE3_OVERFLOW_MPE)
737 
738 enum hnae3_pflag {
739 	HNAE3_PFLAG_LIMIT_PROMISC,
740 	HNAE3_PFLAG_MAX
741 };
742 
743 struct hnae3_handle {
744 	struct hnae3_client *client;
745 	struct pci_dev *pdev;
746 	void *priv;
747 	struct hnae3_ae_algo *ae_algo;  /* the class who provides this handle */
748 	u64 flags; /* Indicate the capabilities for this handle */
749 
750 	union {
751 		struct net_device *netdev; /* first member */
752 		struct hnae3_knic_private_info kinfo;
753 		struct hnae3_roce_private_info rinfo;
754 	};
755 
756 	u32 numa_node_mask;	/* for multi-chip support */
757 
758 	enum hnae3_port_base_vlan_state port_base_vlan_state;
759 
760 	u8 netdev_flags;
761 	struct dentry *hnae3_dbgfs;
762 
763 	/* Network interface message level enabled bits */
764 	u32 msg_enable;
765 
766 	unsigned long supported_pflags;
767 	unsigned long priv_flags;
768 };
769 
770 #define hnae3_set_field(origin, mask, shift, val) \
771 	do { \
772 		(origin) &= (~(mask)); \
773 		(origin) |= ((val) << (shift)) & (mask); \
774 	} while (0)
775 #define hnae3_get_field(origin, mask, shift) (((origin) & (mask)) >> (shift))
776 
777 #define hnae3_set_bit(origin, shift, val) \
778 	hnae3_set_field(origin, 0x1 << (shift), shift, val)
779 #define hnae3_get_bit(origin, shift) \
780 	hnae3_get_field(origin, 0x1 << (shift), shift)
781 
782 #define HNAE3_DBG_TM_NODES		"tm_nodes"
783 #define HNAE3_DBG_TM_PRI		"tm_priority"
784 #define HNAE3_DBG_TM_QSET		"tm_qset"
785 
786 int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev);
787 void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev);
788 
789 void hnae3_unregister_ae_algo(struct hnae3_ae_algo *ae_algo);
790 void hnae3_register_ae_algo(struct hnae3_ae_algo *ae_algo);
791 
792 void hnae3_unregister_client(struct hnae3_client *client);
793 int hnae3_register_client(struct hnae3_client *client);
794 
795 void hnae3_set_client_init_flag(struct hnae3_client *client,
796 				struct hnae3_ae_dev *ae_dev,
797 				unsigned int inited);
798 #endif
799