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