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 <linux/bitmap.h>
35 #include <net/pkt_cls.h>
36 #include <net/pkt_sched.h>
37 
38 #define HNAE3_MOD_VERSION "1.0"
39 
40 #define HNAE3_MIN_VECTOR_NUM	2 /* first one for misc, another for IO */
41 
42 /* Device version */
43 #define HNAE3_DEVICE_VERSION_V1   0x00020
44 #define HNAE3_DEVICE_VERSION_V2   0x00021
45 #define HNAE3_DEVICE_VERSION_V3   0x00030
46 
47 #define HNAE3_PCI_REVISION_BIT_SIZE		8
48 
49 /* Device IDs */
50 #define HNAE3_DEV_ID_GE				0xA220
51 #define HNAE3_DEV_ID_25GE			0xA221
52 #define HNAE3_DEV_ID_25GE_RDMA			0xA222
53 #define HNAE3_DEV_ID_25GE_RDMA_MACSEC		0xA223
54 #define HNAE3_DEV_ID_50GE_RDMA			0xA224
55 #define HNAE3_DEV_ID_50GE_RDMA_MACSEC		0xA225
56 #define HNAE3_DEV_ID_100G_RDMA_MACSEC		0xA226
57 #define HNAE3_DEV_ID_200G_RDMA			0xA228
58 #define HNAE3_DEV_ID_VF				0xA22E
59 #define HNAE3_DEV_ID_RDMA_DCB_PFC_VF		0xA22F
60 
61 #define HNAE3_CLASS_NAME_SIZE 16
62 
63 #define HNAE3_DEV_INITED_B			0x0
64 #define HNAE3_DEV_SUPPORT_ROCE_B		0x1
65 #define HNAE3_DEV_SUPPORT_DCB_B			0x2
66 #define HNAE3_KNIC_CLIENT_INITED_B		0x3
67 #define HNAE3_UNIC_CLIENT_INITED_B		0x4
68 #define HNAE3_ROCE_CLIENT_INITED_B		0x5
69 
70 #define HNAE3_DEV_SUPPORT_ROCE_DCB_BITS (BIT(HNAE3_DEV_SUPPORT_DCB_B) | \
71 		BIT(HNAE3_DEV_SUPPORT_ROCE_B))
72 
73 #define hnae3_dev_roce_supported(hdev) \
74 	hnae3_get_bit((hdev)->ae_dev->flag, HNAE3_DEV_SUPPORT_ROCE_B)
75 
76 #define hnae3_dev_dcb_supported(hdev) \
77 	hnae3_get_bit((hdev)->ae_dev->flag, HNAE3_DEV_SUPPORT_DCB_B)
78 
79 enum HNAE3_DEV_CAP_BITS {
80 	HNAE3_DEV_SUPPORT_FD_B,
81 	HNAE3_DEV_SUPPORT_GRO_B,
82 	HNAE3_DEV_SUPPORT_FEC_B,
83 	HNAE3_DEV_SUPPORT_UDP_GSO_B,
84 	HNAE3_DEV_SUPPORT_QB_B,
85 	HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B,
86 	HNAE3_DEV_SUPPORT_PTP_B,
87 	HNAE3_DEV_SUPPORT_INT_QL_B,
88 	HNAE3_DEV_SUPPORT_HW_TX_CSUM_B,
89 	HNAE3_DEV_SUPPORT_TX_PUSH_B,
90 	HNAE3_DEV_SUPPORT_PHY_IMP_B,
91 	HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B,
92 	HNAE3_DEV_SUPPORT_HW_PAD_B,
93 	HNAE3_DEV_SUPPORT_STASH_B,
94 	HNAE3_DEV_SUPPORT_UDP_TUNNEL_CSUM_B,
95 	HNAE3_DEV_SUPPORT_PAUSE_B,
96 	HNAE3_DEV_SUPPORT_RAS_IMP_B,
97 	HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B,
98 	HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B,
99 	HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B,
100 	HNAE3_DEV_SUPPORT_MC_MAC_MNG_B,
101 	HNAE3_DEV_SUPPORT_CQ_B,
102 	HNAE3_DEV_SUPPORT_FEC_STATS_B,
103 	HNAE3_DEV_SUPPORT_LANE_NUM_B,
104 	HNAE3_DEV_SUPPORT_WOL_B,
105 	HNAE3_DEV_SUPPORT_TM_FLUSH_B,
106 	HNAE3_DEV_SUPPORT_VF_FAULT_B,
107 };
108 
109 #define hnae3_ae_dev_fd_supported(ae_dev) \
110 		test_bit(HNAE3_DEV_SUPPORT_FD_B, (ae_dev)->caps)
111 
112 #define hnae3_ae_dev_gro_supported(ae_dev) \
113 		test_bit(HNAE3_DEV_SUPPORT_GRO_B, (ae_dev)->caps)
114 
115 #define hnae3_dev_fec_supported(hdev) \
116 	test_bit(HNAE3_DEV_SUPPORT_FEC_B, (hdev)->ae_dev->caps)
117 
118 #define hnae3_dev_udp_gso_supported(hdev) \
119 	test_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, (hdev)->ae_dev->caps)
120 
121 #define hnae3_dev_qb_supported(hdev) \
122 	test_bit(HNAE3_DEV_SUPPORT_QB_B, (hdev)->ae_dev->caps)
123 
124 #define hnae3_dev_fd_forward_tc_supported(hdev) \
125 	test_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, (hdev)->ae_dev->caps)
126 
127 #define hnae3_dev_ptp_supported(hdev) \
128 	test_bit(HNAE3_DEV_SUPPORT_PTP_B, (hdev)->ae_dev->caps)
129 
130 #define hnae3_dev_int_ql_supported(hdev) \
131 	test_bit(HNAE3_DEV_SUPPORT_INT_QL_B, (hdev)->ae_dev->caps)
132 
133 #define hnae3_dev_hw_csum_supported(hdev) \
134 	test_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, (hdev)->ae_dev->caps)
135 
136 #define hnae3_dev_tx_push_supported(hdev) \
137 	test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, (hdev)->ae_dev->caps)
138 
139 #define hnae3_dev_phy_imp_supported(hdev) \
140 	test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, (hdev)->ae_dev->caps)
141 
142 #define hnae3_dev_ras_imp_supported(hdev) \
143 	test_bit(HNAE3_DEV_SUPPORT_RAS_IMP_B, (hdev)->ae_dev->caps)
144 
145 #define hnae3_dev_tqp_txrx_indep_supported(hdev) \
146 	test_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, (hdev)->ae_dev->caps)
147 
148 #define hnae3_dev_hw_pad_supported(hdev) \
149 	test_bit(HNAE3_DEV_SUPPORT_HW_PAD_B, (hdev)->ae_dev->caps)
150 
151 #define hnae3_dev_stash_supported(hdev) \
152 	test_bit(HNAE3_DEV_SUPPORT_STASH_B, (hdev)->ae_dev->caps)
153 
154 #define hnae3_dev_pause_supported(hdev) \
155 	test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, (hdev)->ae_dev->caps)
156 
157 #define hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev) \
158 	test_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, (ae_dev)->caps)
159 
160 #define hnae3_ae_dev_rxd_adv_layout_supported(ae_dev) \
161 	test_bit(HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, (ae_dev)->caps)
162 
163 #define hnae3_ae_dev_mc_mac_mng_supported(ae_dev) \
164 	test_bit(HNAE3_DEV_SUPPORT_MC_MAC_MNG_B, (ae_dev)->caps)
165 
166 #define hnae3_ae_dev_cq_supported(ae_dev) \
167 	test_bit(HNAE3_DEV_SUPPORT_CQ_B, (ae_dev)->caps)
168 
169 #define hnae3_ae_dev_fec_stats_supported(ae_dev) \
170 	test_bit(HNAE3_DEV_SUPPORT_FEC_STATS_B, (ae_dev)->caps)
171 
172 #define hnae3_ae_dev_lane_num_supported(ae_dev) \
173 	test_bit(HNAE3_DEV_SUPPORT_LANE_NUM_B, (ae_dev)->caps)
174 
175 #define hnae3_ae_dev_wol_supported(ae_dev) \
176 	test_bit(HNAE3_DEV_SUPPORT_WOL_B, (ae_dev)->caps)
177 
178 #define hnae3_ae_dev_tm_flush_supported(hdev) \
179 	test_bit(HNAE3_DEV_SUPPORT_TM_FLUSH_B, (hdev)->ae_dev->caps)
180 
181 #define hnae3_ae_dev_vf_fault_supported(ae_dev) \
182 	test_bit(HNAE3_DEV_SUPPORT_VF_FAULT_B, (ae_dev)->caps)
183 
184 enum HNAE3_PF_CAP_BITS {
185 	HNAE3_PF_SUPPORT_VLAN_FLTR_MDF_B = 0,
186 };
187 #define ring_ptr_move_fw(ring, p) \
188 	((ring)->p = ((ring)->p + 1) % (ring)->desc_num)
189 #define ring_ptr_move_bw(ring, p) \
190 	((ring)->p = ((ring)->p - 1 + (ring)->desc_num) % (ring)->desc_num)
191 
192 struct hnae3_handle;
193 
194 struct hnae3_queue {
195 	void __iomem *io_base;
196 	void __iomem *mem_base;
197 	struct hnae3_ae_algo *ae_algo;
198 	struct hnae3_handle *handle;
199 	int tqp_index;		/* index in a handle */
200 	u32 buf_size;		/* size for hnae_desc->addr, preset by AE */
201 	u16 tx_desc_num;	/* total number of tx desc */
202 	u16 rx_desc_num;	/* total number of rx desc */
203 };
204 
205 struct hns3_mac_stats {
206 	u64 tx_pause_cnt;
207 	u64 rx_pause_cnt;
208 };
209 
210 /* hnae3 loop mode */
211 enum hnae3_loop {
212 	HNAE3_LOOP_EXTERNAL,
213 	HNAE3_LOOP_APP,
214 	HNAE3_LOOP_SERIAL_SERDES,
215 	HNAE3_LOOP_PARALLEL_SERDES,
216 	HNAE3_LOOP_PHY,
217 	HNAE3_LOOP_NONE,
218 };
219 
220 enum hnae3_client_type {
221 	HNAE3_CLIENT_KNIC,
222 	HNAE3_CLIENT_ROCE,
223 };
224 
225 /* mac media type */
226 enum hnae3_media_type {
227 	HNAE3_MEDIA_TYPE_UNKNOWN,
228 	HNAE3_MEDIA_TYPE_FIBER,
229 	HNAE3_MEDIA_TYPE_COPPER,
230 	HNAE3_MEDIA_TYPE_BACKPLANE,
231 	HNAE3_MEDIA_TYPE_NONE,
232 };
233 
234 /* must be consistent with definition in firmware */
235 enum hnae3_module_type {
236 	HNAE3_MODULE_TYPE_UNKNOWN	= 0x00,
237 	HNAE3_MODULE_TYPE_FIBRE_LR	= 0x01,
238 	HNAE3_MODULE_TYPE_FIBRE_SR	= 0x02,
239 	HNAE3_MODULE_TYPE_AOC		= 0x03,
240 	HNAE3_MODULE_TYPE_CR		= 0x04,
241 	HNAE3_MODULE_TYPE_KR		= 0x05,
242 	HNAE3_MODULE_TYPE_TP		= 0x06,
243 };
244 
245 enum hnae3_fec_mode {
246 	HNAE3_FEC_AUTO = 0,
247 	HNAE3_FEC_BASER,
248 	HNAE3_FEC_RS,
249 	HNAE3_FEC_LLRS,
250 	HNAE3_FEC_NONE,
251 	HNAE3_FEC_USER_DEF,
252 };
253 
254 enum hnae3_reset_notify_type {
255 	HNAE3_UP_CLIENT,
256 	HNAE3_DOWN_CLIENT,
257 	HNAE3_INIT_CLIENT,
258 	HNAE3_UNINIT_CLIENT,
259 };
260 
261 enum hnae3_hw_error_type {
262 	HNAE3_PPU_POISON_ERROR,
263 	HNAE3_CMDQ_ECC_ERROR,
264 	HNAE3_IMP_RD_POISON_ERROR,
265 	HNAE3_ROCEE_AXI_RESP_ERROR,
266 };
267 
268 enum hnae3_reset_type {
269 	HNAE3_VF_RESET,
270 	HNAE3_VF_FUNC_RESET,
271 	HNAE3_VF_PF_FUNC_RESET,
272 	HNAE3_VF_FULL_RESET,
273 	HNAE3_FLR_RESET,
274 	HNAE3_FUNC_RESET,
275 	HNAE3_GLOBAL_RESET,
276 	HNAE3_IMP_RESET,
277 	HNAE3_NONE_RESET,
278 	HNAE3_VF_EXP_RESET,
279 	HNAE3_MAX_RESET,
280 };
281 
282 enum hnae3_port_base_vlan_state {
283 	HNAE3_PORT_BASE_VLAN_DISABLE,
284 	HNAE3_PORT_BASE_VLAN_ENABLE,
285 	HNAE3_PORT_BASE_VLAN_MODIFY,
286 	HNAE3_PORT_BASE_VLAN_NOCHANGE,
287 };
288 
289 enum hnae3_dbg_cmd {
290 	HNAE3_DBG_CMD_TM_NODES,
291 	HNAE3_DBG_CMD_TM_PRI,
292 	HNAE3_DBG_CMD_TM_QSET,
293 	HNAE3_DBG_CMD_TM_MAP,
294 	HNAE3_DBG_CMD_TM_PG,
295 	HNAE3_DBG_CMD_TM_PORT,
296 	HNAE3_DBG_CMD_TC_SCH_INFO,
297 	HNAE3_DBG_CMD_QOS_PAUSE_CFG,
298 	HNAE3_DBG_CMD_QOS_PRI_MAP,
299 	HNAE3_DBG_CMD_QOS_DSCP_MAP,
300 	HNAE3_DBG_CMD_QOS_BUF_CFG,
301 	HNAE3_DBG_CMD_DEV_INFO,
302 	HNAE3_DBG_CMD_TX_BD,
303 	HNAE3_DBG_CMD_RX_BD,
304 	HNAE3_DBG_CMD_MAC_UC,
305 	HNAE3_DBG_CMD_MAC_MC,
306 	HNAE3_DBG_CMD_MNG_TBL,
307 	HNAE3_DBG_CMD_LOOPBACK,
308 	HNAE3_DBG_CMD_PTP_INFO,
309 	HNAE3_DBG_CMD_INTERRUPT_INFO,
310 	HNAE3_DBG_CMD_RESET_INFO,
311 	HNAE3_DBG_CMD_IMP_INFO,
312 	HNAE3_DBG_CMD_NCL_CONFIG,
313 	HNAE3_DBG_CMD_REG_BIOS_COMMON,
314 	HNAE3_DBG_CMD_REG_SSU,
315 	HNAE3_DBG_CMD_REG_IGU_EGU,
316 	HNAE3_DBG_CMD_REG_RPU,
317 	HNAE3_DBG_CMD_REG_NCSI,
318 	HNAE3_DBG_CMD_REG_RTC,
319 	HNAE3_DBG_CMD_REG_PPP,
320 	HNAE3_DBG_CMD_REG_RCB,
321 	HNAE3_DBG_CMD_REG_TQP,
322 	HNAE3_DBG_CMD_REG_MAC,
323 	HNAE3_DBG_CMD_REG_DCB,
324 	HNAE3_DBG_CMD_VLAN_CONFIG,
325 	HNAE3_DBG_CMD_QUEUE_MAP,
326 	HNAE3_DBG_CMD_RX_QUEUE_INFO,
327 	HNAE3_DBG_CMD_TX_QUEUE_INFO,
328 	HNAE3_DBG_CMD_FD_TCAM,
329 	HNAE3_DBG_CMD_FD_COUNTER,
330 	HNAE3_DBG_CMD_MAC_TNL_STATUS,
331 	HNAE3_DBG_CMD_SERV_INFO,
332 	HNAE3_DBG_CMD_UMV_INFO,
333 	HNAE3_DBG_CMD_PAGE_POOL_INFO,
334 	HNAE3_DBG_CMD_COAL_INFO,
335 	HNAE3_DBG_CMD_UNKNOWN,
336 };
337 
338 enum hnae3_tc_map_mode {
339 	HNAE3_TC_MAP_MODE_PRIO,
340 	HNAE3_TC_MAP_MODE_DSCP,
341 };
342 
343 struct hnae3_vector_info {
344 	u8 __iomem *io_addr;
345 	int vector;
346 };
347 
348 #define HNAE3_RING_TYPE_B 0
349 #define HNAE3_RING_TYPE_TX 0
350 #define HNAE3_RING_TYPE_RX 1
351 #define HNAE3_RING_GL_IDX_S 0
352 #define HNAE3_RING_GL_IDX_M GENMASK(1, 0)
353 #define HNAE3_RING_GL_RX 0
354 #define HNAE3_RING_GL_TX 1
355 
356 #define HNAE3_FW_VERSION_BYTE3_SHIFT	24
357 #define HNAE3_FW_VERSION_BYTE3_MASK	GENMASK(31, 24)
358 #define HNAE3_FW_VERSION_BYTE2_SHIFT	16
359 #define HNAE3_FW_VERSION_BYTE2_MASK	GENMASK(23, 16)
360 #define HNAE3_FW_VERSION_BYTE1_SHIFT	8
361 #define HNAE3_FW_VERSION_BYTE1_MASK	GENMASK(15, 8)
362 #define HNAE3_FW_VERSION_BYTE0_SHIFT	0
363 #define HNAE3_FW_VERSION_BYTE0_MASK	GENMASK(7, 0)
364 
365 struct hnae3_ring_chain_node {
366 	struct hnae3_ring_chain_node *next;
367 	u32 tqp_index;
368 	u32 flag;
369 	u32 int_gl_idx;
370 };
371 
372 #define HNAE3_IS_TX_RING(node) \
373 	(((node)->flag & 1 << HNAE3_RING_TYPE_B) == HNAE3_RING_TYPE_TX)
374 
375 /* device specification info from firmware */
376 struct hnae3_dev_specs {
377 	u32 mac_entry_num; /* number of mac-vlan table entry */
378 	u32 mng_entry_num; /* number of manager table entry */
379 	u32 max_tm_rate;
380 	u16 rss_ind_tbl_size;
381 	u16 rss_key_size;
382 	u16 int_ql_max; /* max value of interrupt coalesce based on INT_QL */
383 	u16 max_int_gl; /* max value of interrupt coalesce based on INT_GL */
384 	u8 max_non_tso_bd_num; /* max BD number of one non-TSO packet */
385 	u16 max_frm_size;
386 	u16 max_qset_num;
387 	u16 umv_size;
388 	u16 mc_mac_size;
389 	u32 mac_stats_num;
390 	u8 tnl_num;
391 	u8 hilink_version;
392 };
393 
394 struct hnae3_client_ops {
395 	int (*init_instance)(struct hnae3_handle *handle);
396 	void (*uninit_instance)(struct hnae3_handle *handle, bool reset);
397 	void (*link_status_change)(struct hnae3_handle *handle, bool state);
398 	int (*reset_notify)(struct hnae3_handle *handle,
399 			    enum hnae3_reset_notify_type type);
400 	void (*process_hw_error)(struct hnae3_handle *handle,
401 				 enum hnae3_hw_error_type);
402 };
403 
404 #define HNAE3_CLIENT_NAME_LENGTH 16
405 struct hnae3_client {
406 	char name[HNAE3_CLIENT_NAME_LENGTH];
407 	unsigned long state;
408 	enum hnae3_client_type type;
409 	const struct hnae3_client_ops *ops;
410 	struct list_head node;
411 };
412 
413 #define HNAE3_DEV_CAPS_MAX_NUM	96
414 struct hnae3_ae_dev {
415 	struct pci_dev *pdev;
416 	const struct hnae3_ae_ops *ops;
417 	struct list_head node;
418 	u32 flag;
419 	unsigned long hw_err_reset_req;
420 	struct hnae3_dev_specs dev_specs;
421 	u32 dev_version;
422 	DECLARE_BITMAP(caps, HNAE3_DEV_CAPS_MAX_NUM);
423 	void *priv;
424 };
425 
426 /* This struct defines the operation on the handle.
427  *
428  * init_ae_dev(): (mandatory)
429  *   Get PF configure from pci_dev and initialize PF hardware
430  * uninit_ae_dev()
431  *   Disable PF device and release PF resource
432  * register_client
433  *   Register client to ae_dev
434  * unregister_client()
435  *   Unregister client from ae_dev
436  * start()
437  *   Enable the hardware
438  * stop()
439  *   Disable the hardware
440  * start_client()
441  *   Inform the hclge that client has been started
442  * stop_client()
443  *   Inform the hclge that client has been stopped
444  * get_status()
445  *   Get the carrier state of the back channel of the handle, 1 for ok, 0 for
446  *   non-ok
447  * get_ksettings_an_result()
448  *   Get negotiation status,speed and duplex
449  * get_media_type()
450  *   Get media type of MAC
451  * check_port_speed()
452  *   Check target speed whether is supported
453  * adjust_link()
454  *   Adjust link status
455  * set_loopback()
456  *   Set loopback
457  * set_promisc_mode
458  *   Set promisc mode
459  * request_update_promisc_mode
460  *   request to hclge(vf) to update promisc mode
461  * set_mtu()
462  *   set mtu
463  * get_pauseparam()
464  *   get tx and rx of pause frame use
465  * set_pauseparam()
466  *   set tx and rx of pause frame use
467  * set_autoneg()
468  *   set auto autonegotiation of pause frame use
469  * get_autoneg()
470  *   get auto autonegotiation of pause frame use
471  * restart_autoneg()
472  *   restart autonegotiation
473  * halt_autoneg()
474  *   halt/resume autonegotiation when autonegotiation on
475  * get_coalesce_usecs()
476  *   get usecs to delay a TX interrupt after a packet is sent
477  * get_rx_max_coalesced_frames()
478  *   get Maximum number of packets to be sent before a TX interrupt.
479  * set_coalesce_usecs()
480  *   set usecs to delay a TX interrupt after a packet is sent
481  * set_coalesce_frames()
482  *   set Maximum number of packets to be sent before a TX interrupt.
483  * get_mac_addr()
484  *   get mac address
485  * set_mac_addr()
486  *   set mac address
487  * add_uc_addr
488  *   Add unicast addr to mac table
489  * rm_uc_addr
490  *   Remove unicast addr from mac table
491  * set_mc_addr()
492  *   Set multicast address
493  * add_mc_addr
494  *   Add multicast address to mac table
495  * rm_mc_addr
496  *   Remove multicast address from mac table
497  * update_stats()
498  *   Update Old network device statistics
499  * get_mac_stats()
500  *   get mac pause statistics including tx_cnt and rx_cnt
501  * get_ethtool_stats()
502  *   Get ethtool network device statistics
503  * get_strings()
504  *   Get a set of strings that describe the requested objects
505  * get_sset_count()
506  *   Get number of strings that @get_strings will write
507  * update_led_status()
508  *   Update the led status
509  * set_led_id()
510  *   Set led id
511  * get_regs()
512  *   Get regs dump
513  * get_regs_len()
514  *   Get the len of the regs dump
515  * get_rss_key_size()
516  *   Get rss key size
517  * get_rss()
518  *   Get rss table
519  * set_rss()
520  *   Set rss table
521  * get_tc_size()
522  *   Get tc size of handle
523  * get_vector()
524  *   Get vector number and vector information
525  * put_vector()
526  *   Put the vector in hdev
527  * map_ring_to_vector()
528  *   Map rings to vector
529  * unmap_ring_from_vector()
530  *   Unmap rings from vector
531  * reset_queue()
532  *   Reset queue
533  * get_fw_version()
534  *   Get firmware version
535  * get_mdix_mode()
536  *   Get media typr of phy
537  * enable_vlan_filter()
538  *   Enable vlan filter
539  * set_vlan_filter()
540  *   Set vlan filter config of Ports
541  * set_vf_vlan_filter()
542  *   Set vlan filter config of vf
543  * enable_hw_strip_rxvtag()
544  *   Enable/disable hardware strip vlan tag of packets received
545  * set_gro_en
546  *   Enable/disable HW GRO
547  * add_arfs_entry
548  *   Check the 5-tuples of flow, and create flow director rule
549  * get_vf_config
550  *   Get the VF configuration setting by the host
551  * set_vf_link_state
552  *   Set VF link status
553  * set_vf_spoofchk
554  *   Enable/disable spoof check for specified vf
555  * set_vf_trust
556  *   Enable/disable trust for specified vf, if the vf being trusted, then
557  *   it can enable promisc mode
558  * set_vf_rate
559  *   Set the max tx rate of specified vf.
560  * set_vf_mac
561  *   Configure the default MAC for specified VF
562  * get_module_eeprom
563  *   Get the optical module eeprom info.
564  * add_cls_flower
565  *   Add clsflower rule
566  * del_cls_flower
567  *   Delete clsflower rule
568  * cls_flower_active
569  *   Check if any cls flower rule exist
570  * dbg_read_cmd
571  *   Execute debugfs read command.
572  * set_tx_hwts_info
573  *   Save information for 1588 tx packet
574  * get_rx_hwts
575  *   Get 1588 rx hwstamp
576  * get_ts_info
577  *   Get phc info
578  * clean_vf_config
579  *   Clean residual vf info after disable sriov
580  * get_wol
581  *   Get wake on lan info
582  * set_wol
583  *   Config wake on lan
584  */
585 struct hnae3_ae_ops {
586 	int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
587 	void (*uninit_ae_dev)(struct hnae3_ae_dev *ae_dev);
588 	void (*reset_prepare)(struct hnae3_ae_dev *ae_dev,
589 			      enum hnae3_reset_type rst_type);
590 	void (*reset_done)(struct hnae3_ae_dev *ae_dev);
591 	int (*init_client_instance)(struct hnae3_client *client,
592 				    struct hnae3_ae_dev *ae_dev);
593 	void (*uninit_client_instance)(struct hnae3_client *client,
594 				       struct hnae3_ae_dev *ae_dev);
595 	int (*start)(struct hnae3_handle *handle);
596 	void (*stop)(struct hnae3_handle *handle);
597 	int (*client_start)(struct hnae3_handle *handle);
598 	void (*client_stop)(struct hnae3_handle *handle);
599 	int (*get_status)(struct hnae3_handle *handle);
600 	void (*get_ksettings_an_result)(struct hnae3_handle *handle,
601 					u8 *auto_neg, u32 *speed, u8 *duplex,
602 					u32 *lane_num);
603 
604 	int (*cfg_mac_speed_dup_h)(struct hnae3_handle *handle, int speed,
605 				   u8 duplex, u8 lane_num);
606 
607 	void (*get_media_type)(struct hnae3_handle *handle, u8 *media_type,
608 			       u8 *module_type);
609 	int (*check_port_speed)(struct hnae3_handle *handle, u32 speed);
610 	void (*get_fec_stats)(struct hnae3_handle *handle,
611 			      struct ethtool_fec_stats *fec_stats);
612 	void (*get_fec)(struct hnae3_handle *handle, u8 *fec_ability,
613 			u8 *fec_mode);
614 	int (*set_fec)(struct hnae3_handle *handle, u32 fec_mode);
615 	void (*adjust_link)(struct hnae3_handle *handle, int speed, int duplex);
616 	int (*set_loopback)(struct hnae3_handle *handle,
617 			    enum hnae3_loop loop_mode, bool en);
618 
619 	int (*set_promisc_mode)(struct hnae3_handle *handle, bool en_uc_pmc,
620 				bool en_mc_pmc);
621 	void (*request_update_promisc_mode)(struct hnae3_handle *handle);
622 	int (*set_mtu)(struct hnae3_handle *handle, int new_mtu);
623 
624 	void (*get_pauseparam)(struct hnae3_handle *handle,
625 			       u32 *auto_neg, u32 *rx_en, u32 *tx_en);
626 	int (*set_pauseparam)(struct hnae3_handle *handle,
627 			      u32 auto_neg, u32 rx_en, u32 tx_en);
628 
629 	int (*set_autoneg)(struct hnae3_handle *handle, bool enable);
630 	int (*get_autoneg)(struct hnae3_handle *handle);
631 	int (*restart_autoneg)(struct hnae3_handle *handle);
632 	int (*halt_autoneg)(struct hnae3_handle *handle, bool halt);
633 
634 	void (*get_coalesce_usecs)(struct hnae3_handle *handle,
635 				   u32 *tx_usecs, u32 *rx_usecs);
636 	void (*get_rx_max_coalesced_frames)(struct hnae3_handle *handle,
637 					    u32 *tx_frames, u32 *rx_frames);
638 	int (*set_coalesce_usecs)(struct hnae3_handle *handle, u32 timeout);
639 	int (*set_coalesce_frames)(struct hnae3_handle *handle,
640 				   u32 coalesce_frames);
641 	void (*get_coalesce_range)(struct hnae3_handle *handle,
642 				   u32 *tx_frames_low, u32 *rx_frames_low,
643 				   u32 *tx_frames_high, u32 *rx_frames_high,
644 				   u32 *tx_usecs_low, u32 *rx_usecs_low,
645 				   u32 *tx_usecs_high, u32 *rx_usecs_high);
646 
647 	void (*get_mac_addr)(struct hnae3_handle *handle, u8 *p);
648 	int (*set_mac_addr)(struct hnae3_handle *handle, const void *p,
649 			    bool is_first);
650 	int (*do_ioctl)(struct hnae3_handle *handle,
651 			struct ifreq *ifr, int cmd);
652 	int (*add_uc_addr)(struct hnae3_handle *handle,
653 			   const unsigned char *addr);
654 	int (*rm_uc_addr)(struct hnae3_handle *handle,
655 			  const unsigned char *addr);
656 	int (*set_mc_addr)(struct hnae3_handle *handle, void *addr);
657 	int (*add_mc_addr)(struct hnae3_handle *handle,
658 			   const unsigned char *addr);
659 	int (*rm_mc_addr)(struct hnae3_handle *handle,
660 			  const unsigned char *addr);
661 	void (*set_tso_stats)(struct hnae3_handle *handle, int enable);
662 	void (*update_stats)(struct hnae3_handle *handle);
663 	void (*get_stats)(struct hnae3_handle *handle, u64 *data);
664 	void (*get_mac_stats)(struct hnae3_handle *handle,
665 			      struct hns3_mac_stats *mac_stats);
666 	void (*get_strings)(struct hnae3_handle *handle,
667 			    u32 stringset, u8 *data);
668 	int (*get_sset_count)(struct hnae3_handle *handle, int stringset);
669 
670 	void (*get_regs)(struct hnae3_handle *handle, u32 *version,
671 			 void *data);
672 	int (*get_regs_len)(struct hnae3_handle *handle);
673 
674 	u32 (*get_rss_key_size)(struct hnae3_handle *handle);
675 	int (*get_rss)(struct hnae3_handle *handle, u32 *indir, u8 *key,
676 		       u8 *hfunc);
677 	int (*set_rss)(struct hnae3_handle *handle, const u32 *indir,
678 		       const u8 *key, const u8 hfunc);
679 	int (*set_rss_tuple)(struct hnae3_handle *handle,
680 			     struct ethtool_rxnfc *cmd);
681 	int (*get_rss_tuple)(struct hnae3_handle *handle,
682 			     struct ethtool_rxnfc *cmd);
683 
684 	int (*get_tc_size)(struct hnae3_handle *handle);
685 
686 	int (*get_vector)(struct hnae3_handle *handle, u16 vector_num,
687 			  struct hnae3_vector_info *vector_info);
688 	int (*put_vector)(struct hnae3_handle *handle, int vector_num);
689 	int (*map_ring_to_vector)(struct hnae3_handle *handle,
690 				  int vector_num,
691 				  struct hnae3_ring_chain_node *vr_chain);
692 	int (*unmap_ring_from_vector)(struct hnae3_handle *handle,
693 				      int vector_num,
694 				      struct hnae3_ring_chain_node *vr_chain);
695 
696 	int (*reset_queue)(struct hnae3_handle *handle);
697 	u32 (*get_fw_version)(struct hnae3_handle *handle);
698 	void (*get_mdix_mode)(struct hnae3_handle *handle,
699 			      u8 *tp_mdix_ctrl, u8 *tp_mdix);
700 
701 	int (*enable_vlan_filter)(struct hnae3_handle *handle, bool enable);
702 	int (*set_vlan_filter)(struct hnae3_handle *handle, __be16 proto,
703 			       u16 vlan_id, bool is_kill);
704 	int (*set_vf_vlan_filter)(struct hnae3_handle *handle, int vfid,
705 				  u16 vlan, u8 qos, __be16 proto);
706 	int (*enable_hw_strip_rxvtag)(struct hnae3_handle *handle, bool enable);
707 	void (*reset_event)(struct pci_dev *pdev, struct hnae3_handle *handle);
708 	enum hnae3_reset_type (*get_reset_level)(struct hnae3_ae_dev *ae_dev,
709 						 unsigned long *addr);
710 	void (*set_default_reset_request)(struct hnae3_ae_dev *ae_dev,
711 					  enum hnae3_reset_type rst_type);
712 	void (*get_channels)(struct hnae3_handle *handle,
713 			     struct ethtool_channels *ch);
714 	void (*get_tqps_and_rss_info)(struct hnae3_handle *h,
715 				      u16 *alloc_tqps, u16 *max_rss_size);
716 	int (*set_channels)(struct hnae3_handle *handle, u32 new_tqps_num,
717 			    bool rxfh_configured);
718 	void (*get_flowctrl_adv)(struct hnae3_handle *handle,
719 				 u32 *flowctrl_adv);
720 	int (*set_led_id)(struct hnae3_handle *handle,
721 			  enum ethtool_phys_id_state status);
722 	void (*get_link_mode)(struct hnae3_handle *handle,
723 			      unsigned long *supported,
724 			      unsigned long *advertising);
725 	int (*add_fd_entry)(struct hnae3_handle *handle,
726 			    struct ethtool_rxnfc *cmd);
727 	int (*del_fd_entry)(struct hnae3_handle *handle,
728 			    struct ethtool_rxnfc *cmd);
729 	int (*get_fd_rule_cnt)(struct hnae3_handle *handle,
730 			       struct ethtool_rxnfc *cmd);
731 	int (*get_fd_rule_info)(struct hnae3_handle *handle,
732 				struct ethtool_rxnfc *cmd);
733 	int (*get_fd_all_rules)(struct hnae3_handle *handle,
734 				struct ethtool_rxnfc *cmd, u32 *rule_locs);
735 	void (*enable_fd)(struct hnae3_handle *handle, bool enable);
736 	int (*add_arfs_entry)(struct hnae3_handle *handle, u16 queue_id,
737 			      u16 flow_id, struct flow_keys *fkeys);
738 	int (*dbg_read_cmd)(struct hnae3_handle *handle, enum hnae3_dbg_cmd cmd,
739 			    char *buf, int len);
740 	pci_ers_result_t (*handle_hw_ras_error)(struct hnae3_ae_dev *ae_dev);
741 	bool (*get_hw_reset_stat)(struct hnae3_handle *handle);
742 	bool (*ae_dev_resetting)(struct hnae3_handle *handle);
743 	unsigned long (*ae_dev_reset_cnt)(struct hnae3_handle *handle);
744 	int (*set_gro_en)(struct hnae3_handle *handle, bool enable);
745 	u16 (*get_global_queue_id)(struct hnae3_handle *handle, u16 queue_id);
746 	void (*set_timer_task)(struct hnae3_handle *handle, bool enable);
747 	int (*mac_connect_phy)(struct hnae3_handle *handle);
748 	void (*mac_disconnect_phy)(struct hnae3_handle *handle);
749 	int (*get_vf_config)(struct hnae3_handle *handle, int vf,
750 			     struct ifla_vf_info *ivf);
751 	int (*set_vf_link_state)(struct hnae3_handle *handle, int vf,
752 				 int link_state);
753 	int (*set_vf_spoofchk)(struct hnae3_handle *handle, int vf,
754 			       bool enable);
755 	int (*set_vf_trust)(struct hnae3_handle *handle, int vf, bool enable);
756 	int (*set_vf_rate)(struct hnae3_handle *handle, int vf,
757 			   int min_tx_rate, int max_tx_rate, bool force);
758 	int (*set_vf_mac)(struct hnae3_handle *handle, int vf, u8 *p);
759 	int (*get_module_eeprom)(struct hnae3_handle *handle, u32 offset,
760 				 u32 len, u8 *data);
761 	bool (*get_cmdq_stat)(struct hnae3_handle *handle);
762 	int (*add_cls_flower)(struct hnae3_handle *handle,
763 			      struct flow_cls_offload *cls_flower, int tc);
764 	int (*del_cls_flower)(struct hnae3_handle *handle,
765 			      struct flow_cls_offload *cls_flower);
766 	bool (*cls_flower_active)(struct hnae3_handle *handle);
767 	int (*get_phy_link_ksettings)(struct hnae3_handle *handle,
768 				      struct ethtool_link_ksettings *cmd);
769 	int (*set_phy_link_ksettings)(struct hnae3_handle *handle,
770 				      const struct ethtool_link_ksettings *cmd);
771 	bool (*set_tx_hwts_info)(struct hnae3_handle *handle,
772 				 struct sk_buff *skb);
773 	void (*get_rx_hwts)(struct hnae3_handle *handle, struct sk_buff *skb,
774 			    u32 nsec, u32 sec);
775 	int (*get_ts_info)(struct hnae3_handle *handle,
776 			   struct ethtool_ts_info *info);
777 	int (*get_link_diagnosis_info)(struct hnae3_handle *handle,
778 				       u32 *status_code);
779 	void (*clean_vf_config)(struct hnae3_ae_dev *ae_dev, int num_vfs);
780 	int (*get_dscp_prio)(struct hnae3_handle *handle, u8 dscp,
781 			     u8 *tc_map_mode, u8 *priority);
782 	void (*get_wol)(struct hnae3_handle *handle,
783 			struct ethtool_wolinfo *wol);
784 	int (*set_wol)(struct hnae3_handle *handle,
785 		       struct ethtool_wolinfo *wol);
786 };
787 
788 struct hnae3_dcb_ops {
789 	/* IEEE 802.1Qaz std */
790 	int (*ieee_getets)(struct hnae3_handle *, struct ieee_ets *);
791 	int (*ieee_setets)(struct hnae3_handle *, struct ieee_ets *);
792 	int (*ieee_getpfc)(struct hnae3_handle *, struct ieee_pfc *);
793 	int (*ieee_setpfc)(struct hnae3_handle *, struct ieee_pfc *);
794 	int (*ieee_setapp)(struct hnae3_handle *h, struct dcb_app *app);
795 	int (*ieee_delapp)(struct hnae3_handle *h, struct dcb_app *app);
796 
797 	/* DCBX configuration */
798 	u8   (*getdcbx)(struct hnae3_handle *);
799 	u8   (*setdcbx)(struct hnae3_handle *, u8);
800 
801 	int (*setup_tc)(struct hnae3_handle *handle,
802 			struct tc_mqprio_qopt_offload *mqprio_qopt);
803 };
804 
805 struct hnae3_ae_algo {
806 	const struct hnae3_ae_ops *ops;
807 	struct list_head node;
808 	const struct pci_device_id *pdev_id_table;
809 };
810 
811 #define HNAE3_INT_NAME_LEN        32
812 #define HNAE3_ITR_COUNTDOWN_START 100
813 
814 #define HNAE3_MAX_TC		8
815 #define HNAE3_MAX_USER_PRIO	8
816 struct hnae3_tc_info {
817 	u8 prio_tc[HNAE3_MAX_USER_PRIO]; /* TC indexed by prio */
818 	u16 tqp_count[HNAE3_MAX_TC];
819 	u16 tqp_offset[HNAE3_MAX_TC];
820 	u8 max_tc; /* Total number of TCs */
821 	u8 num_tc; /* Total number of enabled TCs */
822 	bool mqprio_active;
823 	bool mqprio_destroy;
824 	bool dcb_ets_active;
825 };
826 
827 #define HNAE3_MAX_DSCP			64
828 #define HNAE3_PRIO_ID_INVALID		0xff
829 struct hnae3_knic_private_info {
830 	struct net_device *netdev; /* Set by KNIC client when init instance */
831 	u16 rss_size;		   /* Allocated RSS queues */
832 	u16 req_rss_size;
833 	u16 rx_buf_len;
834 	u16 num_tx_desc;
835 	u16 num_rx_desc;
836 	u32 tx_spare_buf_size;
837 
838 	struct hnae3_tc_info tc_info;
839 	u8 tc_map_mode;
840 	u8 dscp_app_cnt;
841 	u8 dscp_prio[HNAE3_MAX_DSCP];
842 
843 	u16 num_tqps;		  /* total number of TQPs in this handle */
844 	struct hnae3_queue **tqp;  /* array base of all TQPs in this instance */
845 	const struct hnae3_dcb_ops *dcb_ops;
846 
847 	u16 int_rl_setting;
848 	void __iomem *io_base;
849 };
850 
851 struct hnae3_roce_private_info {
852 	struct net_device *netdev;
853 	void __iomem *roce_io_base;
854 	void __iomem *roce_mem_base;
855 	int base_vector;
856 	int num_vectors;
857 
858 	/* The below attributes defined for RoCE client, hnae3 gives
859 	 * initial values to them, and RoCE client can modify and use
860 	 * them.
861 	 */
862 	unsigned long reset_state;
863 	unsigned long instance_state;
864 	unsigned long state;
865 };
866 
867 #define HNAE3_SUPPORT_APP_LOOPBACK    BIT(0)
868 #define HNAE3_SUPPORT_PHY_LOOPBACK    BIT(1)
869 #define HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK	BIT(2)
870 #define HNAE3_SUPPORT_VF	      BIT(3)
871 #define HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK	BIT(4)
872 #define HNAE3_SUPPORT_EXTERNAL_LOOPBACK	BIT(5)
873 
874 #define HNAE3_USER_UPE		BIT(0)	/* unicast promisc enabled by user */
875 #define HNAE3_USER_MPE		BIT(1)	/* mulitcast promisc enabled by user */
876 #define HNAE3_BPE		BIT(2)	/* broadcast promisc enable */
877 #define HNAE3_OVERFLOW_UPE	BIT(3)	/* unicast mac vlan overflow */
878 #define HNAE3_OVERFLOW_MPE	BIT(4)	/* multicast mac vlan overflow */
879 #define HNAE3_UPE		(HNAE3_USER_UPE | HNAE3_OVERFLOW_UPE)
880 #define HNAE3_MPE		(HNAE3_USER_MPE | HNAE3_OVERFLOW_MPE)
881 
882 enum hnae3_pflag {
883 	HNAE3_PFLAG_LIMIT_PROMISC,
884 	HNAE3_PFLAG_MAX
885 };
886 
887 struct hnae3_handle {
888 	struct hnae3_client *client;
889 	struct pci_dev *pdev;
890 	void *priv;
891 	struct hnae3_ae_algo *ae_algo;  /* the class who provides this handle */
892 	u64 flags; /* Indicate the capabilities for this handle */
893 
894 	union {
895 		struct net_device *netdev; /* first member */
896 		struct hnae3_knic_private_info kinfo;
897 		struct hnae3_roce_private_info rinfo;
898 	};
899 
900 	u32 numa_node_mask;	/* for multi-chip support */
901 
902 	enum hnae3_port_base_vlan_state port_base_vlan_state;
903 
904 	u8 netdev_flags;
905 	struct dentry *hnae3_dbgfs;
906 	/* protects concurrent contention between debugfs commands */
907 	struct mutex dbgfs_lock;
908 	char **dbgfs_buf;
909 
910 	/* Network interface message level enabled bits */
911 	u32 msg_enable;
912 
913 	unsigned long supported_pflags;
914 	unsigned long priv_flags;
915 };
916 
917 #define hnae3_set_field(origin, mask, shift, val) \
918 	do { \
919 		(origin) &= (~(mask)); \
920 		(origin) |= ((val) << (shift)) & (mask); \
921 	} while (0)
922 #define hnae3_get_field(origin, mask, shift) (((origin) & (mask)) >> (shift))
923 
924 #define hnae3_set_bit(origin, shift, val) \
925 	hnae3_set_field(origin, 0x1 << (shift), shift, val)
926 #define hnae3_get_bit(origin, shift) \
927 	hnae3_get_field(origin, 0x1 << (shift), shift)
928 
929 #define HNAE3_FORMAT_MAC_ADDR_LEN	18
930 #define HNAE3_FORMAT_MAC_ADDR_OFFSET_0	0
931 #define HNAE3_FORMAT_MAC_ADDR_OFFSET_4	4
932 #define HNAE3_FORMAT_MAC_ADDR_OFFSET_5	5
933 
934 static inline void hnae3_format_mac_addr(char *format_mac_addr,
935 					 const u8 *mac_addr)
936 {
937 	snprintf(format_mac_addr, HNAE3_FORMAT_MAC_ADDR_LEN, "%02x:**:**:**:%02x:%02x",
938 		 mac_addr[HNAE3_FORMAT_MAC_ADDR_OFFSET_0],
939 		 mac_addr[HNAE3_FORMAT_MAC_ADDR_OFFSET_4],
940 		 mac_addr[HNAE3_FORMAT_MAC_ADDR_OFFSET_5]);
941 }
942 
943 int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev);
944 void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev);
945 
946 void hnae3_unregister_ae_algo_prepare(struct hnae3_ae_algo *ae_algo);
947 void hnae3_unregister_ae_algo(struct hnae3_ae_algo *ae_algo);
948 void hnae3_register_ae_algo(struct hnae3_ae_algo *ae_algo);
949 
950 void hnae3_unregister_client(struct hnae3_client *client);
951 int hnae3_register_client(struct hnae3_client *client);
952 
953 void hnae3_set_client_init_flag(struct hnae3_client *client,
954 				struct hnae3_ae_dev *ae_dev,
955 				unsigned int inited);
956 #endif
957