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 	HNAE3_DEV_SUPPORT_PAUSE_B,
94 	HNAE3_DEV_SUPPORT_RAS_IMP_B,
95 	HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B,
96 	HNAE3_DEV_SUPPORT_PORT_VLAN_BYPASS_B,
97 	HNAE3_DEV_SUPPORT_VLAN_FLTR_MDF_B,
98 	HNAE3_DEV_SUPPORT_MC_MAC_MNG_B,
99 };
100 
101 #define hnae3_dev_fd_supported(hdev) \
102 	test_bit(HNAE3_DEV_SUPPORT_FD_B, (hdev)->ae_dev->caps)
103 
104 #define hnae3_dev_gro_supported(hdev) \
105 	test_bit(HNAE3_DEV_SUPPORT_GRO_B, (hdev)->ae_dev->caps)
106 
107 #define hnae3_dev_fec_supported(hdev) \
108 	test_bit(HNAE3_DEV_SUPPORT_FEC_B, (hdev)->ae_dev->caps)
109 
110 #define hnae3_dev_udp_gso_supported(hdev) \
111 	test_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, (hdev)->ae_dev->caps)
112 
113 #define hnae3_dev_qb_supported(hdev) \
114 	test_bit(HNAE3_DEV_SUPPORT_QB_B, (hdev)->ae_dev->caps)
115 
116 #define hnae3_dev_fd_forward_tc_supported(hdev) \
117 	test_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, (hdev)->ae_dev->caps)
118 
119 #define hnae3_dev_ptp_supported(hdev) \
120 	test_bit(HNAE3_DEV_SUPPORT_PTP_B, (hdev)->ae_dev->caps)
121 
122 #define hnae3_dev_int_ql_supported(hdev) \
123 	test_bit(HNAE3_DEV_SUPPORT_INT_QL_B, (hdev)->ae_dev->caps)
124 
125 #define hnae3_dev_hw_csum_supported(hdev) \
126 	test_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, (hdev)->ae_dev->caps)
127 
128 #define hnae3_dev_tx_push_supported(hdev) \
129 	test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, (hdev)->ae_dev->caps)
130 
131 #define hnae3_dev_phy_imp_supported(hdev) \
132 	test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, (hdev)->ae_dev->caps)
133 
134 #define hnae3_dev_ras_imp_supported(hdev) \
135 	test_bit(HNAE3_DEV_SUPPORT_RAS_IMP_B, (hdev)->ae_dev->caps)
136 
137 #define hnae3_dev_tqp_txrx_indep_supported(hdev) \
138 	test_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, (hdev)->ae_dev->caps)
139 
140 #define hnae3_dev_hw_pad_supported(hdev) \
141 	test_bit(HNAE3_DEV_SUPPORT_HW_PAD_B, (hdev)->ae_dev->caps)
142 
143 #define hnae3_dev_stash_supported(hdev) \
144 	test_bit(HNAE3_DEV_SUPPORT_STASH_B, (hdev)->ae_dev->caps)
145 
146 #define hnae3_dev_pause_supported(hdev) \
147 	test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, (hdev)->ae_dev->caps)
148 
149 #define hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev) \
150 	test_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, (ae_dev)->caps)
151 
152 #define hnae3_ae_dev_rxd_adv_layout_supported(ae_dev) \
153 	test_bit(HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, (ae_dev)->caps)
154 
155 #define hnae3_ae_dev_mc_mac_mng_supported(ae_dev) \
156 	test_bit(HNAE3_DEV_SUPPORT_MC_MAC_MNG_B, (ae_dev)->caps)
157 
158 enum HNAE3_PF_CAP_BITS {
159 	HNAE3_PF_SUPPORT_VLAN_FLTR_MDF_B = 0,
160 };
161 #define ring_ptr_move_fw(ring, p) \
162 	((ring)->p = ((ring)->p + 1) % (ring)->desc_num)
163 #define ring_ptr_move_bw(ring, p) \
164 	((ring)->p = ((ring)->p - 1 + (ring)->desc_num) % (ring)->desc_num)
165 
166 struct hnae3_handle;
167 
168 struct hnae3_queue {
169 	void __iomem *io_base;
170 	struct hnae3_ae_algo *ae_algo;
171 	struct hnae3_handle *handle;
172 	int tqp_index;		/* index in a handle */
173 	u32 buf_size;		/* size for hnae_desc->addr, preset by AE */
174 	u16 tx_desc_num;	/* total number of tx desc */
175 	u16 rx_desc_num;	/* total number of rx desc */
176 };
177 
178 struct hns3_mac_stats {
179 	u64 tx_pause_cnt;
180 	u64 rx_pause_cnt;
181 };
182 
183 /* hnae3 loop mode */
184 enum hnae3_loop {
185 	HNAE3_LOOP_APP,
186 	HNAE3_LOOP_SERIAL_SERDES,
187 	HNAE3_LOOP_PARALLEL_SERDES,
188 	HNAE3_LOOP_PHY,
189 	HNAE3_LOOP_NONE,
190 };
191 
192 enum hnae3_client_type {
193 	HNAE3_CLIENT_KNIC,
194 	HNAE3_CLIENT_ROCE,
195 };
196 
197 /* mac media type */
198 enum hnae3_media_type {
199 	HNAE3_MEDIA_TYPE_UNKNOWN,
200 	HNAE3_MEDIA_TYPE_FIBER,
201 	HNAE3_MEDIA_TYPE_COPPER,
202 	HNAE3_MEDIA_TYPE_BACKPLANE,
203 	HNAE3_MEDIA_TYPE_NONE,
204 };
205 
206 /* must be consistent with definition in firmware */
207 enum hnae3_module_type {
208 	HNAE3_MODULE_TYPE_UNKNOWN	= 0x00,
209 	HNAE3_MODULE_TYPE_FIBRE_LR	= 0x01,
210 	HNAE3_MODULE_TYPE_FIBRE_SR	= 0x02,
211 	HNAE3_MODULE_TYPE_AOC		= 0x03,
212 	HNAE3_MODULE_TYPE_CR		= 0x04,
213 	HNAE3_MODULE_TYPE_KR		= 0x05,
214 	HNAE3_MODULE_TYPE_TP		= 0x06,
215 };
216 
217 enum hnae3_fec_mode {
218 	HNAE3_FEC_AUTO = 0,
219 	HNAE3_FEC_BASER,
220 	HNAE3_FEC_RS,
221 	HNAE3_FEC_USER_DEF,
222 };
223 
224 enum hnae3_reset_notify_type {
225 	HNAE3_UP_CLIENT,
226 	HNAE3_DOWN_CLIENT,
227 	HNAE3_INIT_CLIENT,
228 	HNAE3_UNINIT_CLIENT,
229 };
230 
231 enum hnae3_hw_error_type {
232 	HNAE3_PPU_POISON_ERROR,
233 	HNAE3_CMDQ_ECC_ERROR,
234 	HNAE3_IMP_RD_POISON_ERROR,
235 	HNAE3_ROCEE_AXI_RESP_ERROR,
236 };
237 
238 enum hnae3_reset_type {
239 	HNAE3_VF_RESET,
240 	HNAE3_VF_FUNC_RESET,
241 	HNAE3_VF_PF_FUNC_RESET,
242 	HNAE3_VF_FULL_RESET,
243 	HNAE3_FLR_RESET,
244 	HNAE3_FUNC_RESET,
245 	HNAE3_GLOBAL_RESET,
246 	HNAE3_IMP_RESET,
247 	HNAE3_NONE_RESET,
248 	HNAE3_MAX_RESET,
249 };
250 
251 enum hnae3_port_base_vlan_state {
252 	HNAE3_PORT_BASE_VLAN_DISABLE,
253 	HNAE3_PORT_BASE_VLAN_ENABLE,
254 	HNAE3_PORT_BASE_VLAN_MODIFY,
255 	HNAE3_PORT_BASE_VLAN_NOCHANGE,
256 };
257 
258 enum hnae3_dbg_cmd {
259 	HNAE3_DBG_CMD_TM_NODES,
260 	HNAE3_DBG_CMD_TM_PRI,
261 	HNAE3_DBG_CMD_TM_QSET,
262 	HNAE3_DBG_CMD_TM_MAP,
263 	HNAE3_DBG_CMD_TM_PG,
264 	HNAE3_DBG_CMD_TM_PORT,
265 	HNAE3_DBG_CMD_TC_SCH_INFO,
266 	HNAE3_DBG_CMD_QOS_PAUSE_CFG,
267 	HNAE3_DBG_CMD_QOS_PRI_MAP,
268 	HNAE3_DBG_CMD_QOS_BUF_CFG,
269 	HNAE3_DBG_CMD_DEV_INFO,
270 	HNAE3_DBG_CMD_TX_BD,
271 	HNAE3_DBG_CMD_RX_BD,
272 	HNAE3_DBG_CMD_MAC_UC,
273 	HNAE3_DBG_CMD_MAC_MC,
274 	HNAE3_DBG_CMD_MNG_TBL,
275 	HNAE3_DBG_CMD_LOOPBACK,
276 	HNAE3_DBG_CMD_PTP_INFO,
277 	HNAE3_DBG_CMD_INTERRUPT_INFO,
278 	HNAE3_DBG_CMD_RESET_INFO,
279 	HNAE3_DBG_CMD_IMP_INFO,
280 	HNAE3_DBG_CMD_NCL_CONFIG,
281 	HNAE3_DBG_CMD_REG_BIOS_COMMON,
282 	HNAE3_DBG_CMD_REG_SSU,
283 	HNAE3_DBG_CMD_REG_IGU_EGU,
284 	HNAE3_DBG_CMD_REG_RPU,
285 	HNAE3_DBG_CMD_REG_NCSI,
286 	HNAE3_DBG_CMD_REG_RTC,
287 	HNAE3_DBG_CMD_REG_PPP,
288 	HNAE3_DBG_CMD_REG_RCB,
289 	HNAE3_DBG_CMD_REG_TQP,
290 	HNAE3_DBG_CMD_REG_MAC,
291 	HNAE3_DBG_CMD_REG_DCB,
292 	HNAE3_DBG_CMD_VLAN_CONFIG,
293 	HNAE3_DBG_CMD_QUEUE_MAP,
294 	HNAE3_DBG_CMD_RX_QUEUE_INFO,
295 	HNAE3_DBG_CMD_TX_QUEUE_INFO,
296 	HNAE3_DBG_CMD_FD_TCAM,
297 	HNAE3_DBG_CMD_FD_COUNTER,
298 	HNAE3_DBG_CMD_MAC_TNL_STATUS,
299 	HNAE3_DBG_CMD_SERV_INFO,
300 	HNAE3_DBG_CMD_UMV_INFO,
301 	HNAE3_DBG_CMD_UNKNOWN,
302 };
303 
304 struct hnae3_vector_info {
305 	u8 __iomem *io_addr;
306 	int vector;
307 };
308 
309 #define HNAE3_RING_TYPE_B 0
310 #define HNAE3_RING_TYPE_TX 0
311 #define HNAE3_RING_TYPE_RX 1
312 #define HNAE3_RING_GL_IDX_S 0
313 #define HNAE3_RING_GL_IDX_M GENMASK(1, 0)
314 #define HNAE3_RING_GL_RX 0
315 #define HNAE3_RING_GL_TX 1
316 
317 #define HNAE3_FW_VERSION_BYTE3_SHIFT	24
318 #define HNAE3_FW_VERSION_BYTE3_MASK	GENMASK(31, 24)
319 #define HNAE3_FW_VERSION_BYTE2_SHIFT	16
320 #define HNAE3_FW_VERSION_BYTE2_MASK	GENMASK(23, 16)
321 #define HNAE3_FW_VERSION_BYTE1_SHIFT	8
322 #define HNAE3_FW_VERSION_BYTE1_MASK	GENMASK(15, 8)
323 #define HNAE3_FW_VERSION_BYTE0_SHIFT	0
324 #define HNAE3_FW_VERSION_BYTE0_MASK	GENMASK(7, 0)
325 
326 struct hnae3_ring_chain_node {
327 	struct hnae3_ring_chain_node *next;
328 	u32 tqp_index;
329 	u32 flag;
330 	u32 int_gl_idx;
331 };
332 
333 #define HNAE3_IS_TX_RING(node) \
334 	(((node)->flag & 1 << HNAE3_RING_TYPE_B) == HNAE3_RING_TYPE_TX)
335 
336 /* device specification info from firmware */
337 struct hnae3_dev_specs {
338 	u32 mac_entry_num; /* number of mac-vlan table entry */
339 	u32 mng_entry_num; /* number of manager table entry */
340 	u32 max_tm_rate;
341 	u16 rss_ind_tbl_size;
342 	u16 rss_key_size;
343 	u16 int_ql_max; /* max value of interrupt coalesce based on INT_QL */
344 	u16 max_int_gl; /* max value of interrupt coalesce based on INT_GL */
345 	u8 max_non_tso_bd_num; /* max BD number of one non-TSO packet */
346 	u16 max_frm_size;
347 	u16 max_qset_num;
348 	u16 umv_size;
349 	u16 mc_mac_size;
350 };
351 
352 struct hnae3_client_ops {
353 	int (*init_instance)(struct hnae3_handle *handle);
354 	void (*uninit_instance)(struct hnae3_handle *handle, bool reset);
355 	void (*link_status_change)(struct hnae3_handle *handle, bool state);
356 	int (*reset_notify)(struct hnae3_handle *handle,
357 			    enum hnae3_reset_notify_type type);
358 	void (*process_hw_error)(struct hnae3_handle *handle,
359 				 enum hnae3_hw_error_type);
360 };
361 
362 #define HNAE3_CLIENT_NAME_LENGTH 16
363 struct hnae3_client {
364 	char name[HNAE3_CLIENT_NAME_LENGTH];
365 	unsigned long state;
366 	enum hnae3_client_type type;
367 	const struct hnae3_client_ops *ops;
368 	struct list_head node;
369 };
370 
371 #define HNAE3_DEV_CAPS_MAX_NUM	96
372 struct hnae3_ae_dev {
373 	struct pci_dev *pdev;
374 	const struct hnae3_ae_ops *ops;
375 	struct list_head node;
376 	u32 flag;
377 	unsigned long hw_err_reset_req;
378 	struct hnae3_dev_specs dev_specs;
379 	u32 dev_version;
380 	unsigned long caps[BITS_TO_LONGS(HNAE3_DEV_CAPS_MAX_NUM)];
381 	void *priv;
382 };
383 
384 /* This struct defines the operation on the handle.
385  *
386  * init_ae_dev(): (mandatory)
387  *   Get PF configure from pci_dev and initialize PF hardware
388  * uninit_ae_dev()
389  *   Disable PF device and release PF resource
390  * register_client
391  *   Register client to ae_dev
392  * unregister_client()
393  *   Unregister client from ae_dev
394  * start()
395  *   Enable the hardware
396  * stop()
397  *   Disable the hardware
398  * start_client()
399  *   Inform the hclge that client has been started
400  * stop_client()
401  *   Inform the hclge that client has been stopped
402  * get_status()
403  *   Get the carrier state of the back channel of the handle, 1 for ok, 0 for
404  *   non-ok
405  * get_ksettings_an_result()
406  *   Get negotiation status,speed and duplex
407  * get_media_type()
408  *   Get media type of MAC
409  * check_port_speed()
410  *   Check target speed whether is supported
411  * adjust_link()
412  *   Adjust link status
413  * set_loopback()
414  *   Set loopback
415  * set_promisc_mode
416  *   Set promisc mode
417  * request_update_promisc_mode
418  *   request to hclge(vf) to update promisc mode
419  * set_mtu()
420  *   set mtu
421  * get_pauseparam()
422  *   get tx and rx of pause frame use
423  * set_pauseparam()
424  *   set tx and rx of pause frame use
425  * set_autoneg()
426  *   set auto autonegotiation of pause frame use
427  * get_autoneg()
428  *   get auto autonegotiation of pause frame use
429  * restart_autoneg()
430  *   restart autonegotiation
431  * halt_autoneg()
432  *   halt/resume autonegotiation when autonegotiation on
433  * get_coalesce_usecs()
434  *   get usecs to delay a TX interrupt after a packet is sent
435  * get_rx_max_coalesced_frames()
436  *   get Maximum number of packets to be sent before a TX interrupt.
437  * set_coalesce_usecs()
438  *   set usecs to delay a TX interrupt after a packet is sent
439  * set_coalesce_frames()
440  *   set Maximum number of packets to be sent before a TX interrupt.
441  * get_mac_addr()
442  *   get mac address
443  * set_mac_addr()
444  *   set mac address
445  * add_uc_addr
446  *   Add unicast addr to mac table
447  * rm_uc_addr
448  *   Remove unicast addr from mac table
449  * set_mc_addr()
450  *   Set multicast address
451  * add_mc_addr
452  *   Add multicast address to mac table
453  * rm_mc_addr
454  *   Remove multicast address from mac table
455  * update_stats()
456  *   Update Old network device statistics
457  * get_mac_stats()
458  *   get mac pause statistics including tx_cnt and rx_cnt
459  * get_ethtool_stats()
460  *   Get ethtool network device statistics
461  * get_strings()
462  *   Get a set of strings that describe the requested objects
463  * get_sset_count()
464  *   Get number of strings that @get_strings will write
465  * update_led_status()
466  *   Update the led status
467  * set_led_id()
468  *   Set led id
469  * get_regs()
470  *   Get regs dump
471  * get_regs_len()
472  *   Get the len of the regs dump
473  * get_rss_key_size()
474  *   Get rss key size
475  * get_rss()
476  *   Get rss table
477  * set_rss()
478  *   Set rss table
479  * get_tc_size()
480  *   Get tc size of handle
481  * get_vector()
482  *   Get vector number and vector information
483  * put_vector()
484  *   Put the vector in hdev
485  * map_ring_to_vector()
486  *   Map rings to vector
487  * unmap_ring_from_vector()
488  *   Unmap rings from vector
489  * reset_queue()
490  *   Reset queue
491  * get_fw_version()
492  *   Get firmware version
493  * get_mdix_mode()
494  *   Get media typr of phy
495  * enable_vlan_filter()
496  *   Enable vlan filter
497  * set_vlan_filter()
498  *   Set vlan filter config of Ports
499  * set_vf_vlan_filter()
500  *   Set vlan filter config of vf
501  * enable_hw_strip_rxvtag()
502  *   Enable/disable hardware strip vlan tag of packets received
503  * set_gro_en
504  *   Enable/disable HW GRO
505  * add_arfs_entry
506  *   Check the 5-tuples of flow, and create flow director rule
507  * get_vf_config
508  *   Get the VF configuration setting by the host
509  * set_vf_link_state
510  *   Set VF link status
511  * set_vf_spoofchk
512  *   Enable/disable spoof check for specified vf
513  * set_vf_trust
514  *   Enable/disable trust for specified vf, if the vf being trusted, then
515  *   it can enable promisc mode
516  * set_vf_rate
517  *   Set the max tx rate of specified vf.
518  * set_vf_mac
519  *   Configure the default MAC for specified VF
520  * get_module_eeprom
521  *   Get the optical module eeprom info.
522  * add_cls_flower
523  *   Add clsflower rule
524  * del_cls_flower
525  *   Delete clsflower rule
526  * cls_flower_active
527  *   Check if any cls flower rule exist
528  * dbg_read_cmd
529  *   Execute debugfs read command.
530  * set_tx_hwts_info
531  *   Save information for 1588 tx packet
532  * get_rx_hwts
533  *   Get 1588 rx hwstamp
534  * get_ts_info
535  *   Get phc info
536  */
537 struct hnae3_ae_ops {
538 	int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
539 	void (*uninit_ae_dev)(struct hnae3_ae_dev *ae_dev);
540 	void (*reset_prepare)(struct hnae3_ae_dev *ae_dev,
541 			      enum hnae3_reset_type rst_type);
542 	void (*reset_done)(struct hnae3_ae_dev *ae_dev);
543 	int (*init_client_instance)(struct hnae3_client *client,
544 				    struct hnae3_ae_dev *ae_dev);
545 	void (*uninit_client_instance)(struct hnae3_client *client,
546 				       struct hnae3_ae_dev *ae_dev);
547 	int (*start)(struct hnae3_handle *handle);
548 	void (*stop)(struct hnae3_handle *handle);
549 	int (*client_start)(struct hnae3_handle *handle);
550 	void (*client_stop)(struct hnae3_handle *handle);
551 	int (*get_status)(struct hnae3_handle *handle);
552 	void (*get_ksettings_an_result)(struct hnae3_handle *handle,
553 					u8 *auto_neg, u32 *speed, u8 *duplex);
554 
555 	int (*cfg_mac_speed_dup_h)(struct hnae3_handle *handle, int speed,
556 				   u8 duplex);
557 
558 	void (*get_media_type)(struct hnae3_handle *handle, u8 *media_type,
559 			       u8 *module_type);
560 	int (*check_port_speed)(struct hnae3_handle *handle, u32 speed);
561 	void (*get_fec)(struct hnae3_handle *handle, u8 *fec_ability,
562 			u8 *fec_mode);
563 	int (*set_fec)(struct hnae3_handle *handle, u32 fec_mode);
564 	void (*adjust_link)(struct hnae3_handle *handle, int speed, int duplex);
565 	int (*set_loopback)(struct hnae3_handle *handle,
566 			    enum hnae3_loop loop_mode, bool en);
567 
568 	int (*set_promisc_mode)(struct hnae3_handle *handle, bool en_uc_pmc,
569 				bool en_mc_pmc);
570 	void (*request_update_promisc_mode)(struct hnae3_handle *handle);
571 	int (*set_mtu)(struct hnae3_handle *handle, int new_mtu);
572 
573 	void (*get_pauseparam)(struct hnae3_handle *handle,
574 			       u32 *auto_neg, u32 *rx_en, u32 *tx_en);
575 	int (*set_pauseparam)(struct hnae3_handle *handle,
576 			      u32 auto_neg, u32 rx_en, u32 tx_en);
577 
578 	int (*set_autoneg)(struct hnae3_handle *handle, bool enable);
579 	int (*get_autoneg)(struct hnae3_handle *handle);
580 	int (*restart_autoneg)(struct hnae3_handle *handle);
581 	int (*halt_autoneg)(struct hnae3_handle *handle, bool halt);
582 
583 	void (*get_coalesce_usecs)(struct hnae3_handle *handle,
584 				   u32 *tx_usecs, u32 *rx_usecs);
585 	void (*get_rx_max_coalesced_frames)(struct hnae3_handle *handle,
586 					    u32 *tx_frames, u32 *rx_frames);
587 	int (*set_coalesce_usecs)(struct hnae3_handle *handle, u32 timeout);
588 	int (*set_coalesce_frames)(struct hnae3_handle *handle,
589 				   u32 coalesce_frames);
590 	void (*get_coalesce_range)(struct hnae3_handle *handle,
591 				   u32 *tx_frames_low, u32 *rx_frames_low,
592 				   u32 *tx_frames_high, u32 *rx_frames_high,
593 				   u32 *tx_usecs_low, u32 *rx_usecs_low,
594 				   u32 *tx_usecs_high, u32 *rx_usecs_high);
595 
596 	void (*get_mac_addr)(struct hnae3_handle *handle, u8 *p);
597 	int (*set_mac_addr)(struct hnae3_handle *handle, void *p,
598 			    bool is_first);
599 	int (*do_ioctl)(struct hnae3_handle *handle,
600 			struct ifreq *ifr, int cmd);
601 	int (*add_uc_addr)(struct hnae3_handle *handle,
602 			   const unsigned char *addr);
603 	int (*rm_uc_addr)(struct hnae3_handle *handle,
604 			  const unsigned char *addr);
605 	int (*set_mc_addr)(struct hnae3_handle *handle, void *addr);
606 	int (*add_mc_addr)(struct hnae3_handle *handle,
607 			   const unsigned char *addr);
608 	int (*rm_mc_addr)(struct hnae3_handle *handle,
609 			  const unsigned char *addr);
610 	void (*set_tso_stats)(struct hnae3_handle *handle, int enable);
611 	void (*update_stats)(struct hnae3_handle *handle,
612 			     struct net_device_stats *net_stats);
613 	void (*get_stats)(struct hnae3_handle *handle, u64 *data);
614 	void (*get_mac_stats)(struct hnae3_handle *handle,
615 			      struct hns3_mac_stats *mac_stats);
616 	void (*get_strings)(struct hnae3_handle *handle,
617 			    u32 stringset, u8 *data);
618 	int (*get_sset_count)(struct hnae3_handle *handle, int stringset);
619 
620 	void (*get_regs)(struct hnae3_handle *handle, u32 *version,
621 			 void *data);
622 	int (*get_regs_len)(struct hnae3_handle *handle);
623 
624 	u32 (*get_rss_key_size)(struct hnae3_handle *handle);
625 	int (*get_rss)(struct hnae3_handle *handle, u32 *indir, u8 *key,
626 		       u8 *hfunc);
627 	int (*set_rss)(struct hnae3_handle *handle, const u32 *indir,
628 		       const u8 *key, const u8 hfunc);
629 	int (*set_rss_tuple)(struct hnae3_handle *handle,
630 			     struct ethtool_rxnfc *cmd);
631 	int (*get_rss_tuple)(struct hnae3_handle *handle,
632 			     struct ethtool_rxnfc *cmd);
633 
634 	int (*get_tc_size)(struct hnae3_handle *handle);
635 
636 	int (*get_vector)(struct hnae3_handle *handle, u16 vector_num,
637 			  struct hnae3_vector_info *vector_info);
638 	int (*put_vector)(struct hnae3_handle *handle, int vector_num);
639 	int (*map_ring_to_vector)(struct hnae3_handle *handle,
640 				  int vector_num,
641 				  struct hnae3_ring_chain_node *vr_chain);
642 	int (*unmap_ring_from_vector)(struct hnae3_handle *handle,
643 				      int vector_num,
644 				      struct hnae3_ring_chain_node *vr_chain);
645 
646 	int (*reset_queue)(struct hnae3_handle *handle);
647 	u32 (*get_fw_version)(struct hnae3_handle *handle);
648 	void (*get_mdix_mode)(struct hnae3_handle *handle,
649 			      u8 *tp_mdix_ctrl, u8 *tp_mdix);
650 
651 	int (*enable_vlan_filter)(struct hnae3_handle *handle, bool enable);
652 	int (*set_vlan_filter)(struct hnae3_handle *handle, __be16 proto,
653 			       u16 vlan_id, bool is_kill);
654 	int (*set_vf_vlan_filter)(struct hnae3_handle *handle, int vfid,
655 				  u16 vlan, u8 qos, __be16 proto);
656 	int (*enable_hw_strip_rxvtag)(struct hnae3_handle *handle, bool enable);
657 	void (*reset_event)(struct pci_dev *pdev, struct hnae3_handle *handle);
658 	enum hnae3_reset_type (*get_reset_level)(struct hnae3_ae_dev *ae_dev,
659 						 unsigned long *addr);
660 	void (*set_default_reset_request)(struct hnae3_ae_dev *ae_dev,
661 					  enum hnae3_reset_type rst_type);
662 	void (*get_channels)(struct hnae3_handle *handle,
663 			     struct ethtool_channels *ch);
664 	void (*get_tqps_and_rss_info)(struct hnae3_handle *h,
665 				      u16 *alloc_tqps, u16 *max_rss_size);
666 	int (*set_channels)(struct hnae3_handle *handle, u32 new_tqps_num,
667 			    bool rxfh_configured);
668 	void (*get_flowctrl_adv)(struct hnae3_handle *handle,
669 				 u32 *flowctrl_adv);
670 	int (*set_led_id)(struct hnae3_handle *handle,
671 			  enum ethtool_phys_id_state status);
672 	void (*get_link_mode)(struct hnae3_handle *handle,
673 			      unsigned long *supported,
674 			      unsigned long *advertising);
675 	int (*add_fd_entry)(struct hnae3_handle *handle,
676 			    struct ethtool_rxnfc *cmd);
677 	int (*del_fd_entry)(struct hnae3_handle *handle,
678 			    struct ethtool_rxnfc *cmd);
679 	int (*get_fd_rule_cnt)(struct hnae3_handle *handle,
680 			       struct ethtool_rxnfc *cmd);
681 	int (*get_fd_rule_info)(struct hnae3_handle *handle,
682 				struct ethtool_rxnfc *cmd);
683 	int (*get_fd_all_rules)(struct hnae3_handle *handle,
684 				struct ethtool_rxnfc *cmd, u32 *rule_locs);
685 	void (*enable_fd)(struct hnae3_handle *handle, bool enable);
686 	int (*add_arfs_entry)(struct hnae3_handle *handle, u16 queue_id,
687 			      u16 flow_id, struct flow_keys *fkeys);
688 	int (*dbg_read_cmd)(struct hnae3_handle *handle, enum hnae3_dbg_cmd cmd,
689 			    char *buf, int len);
690 	pci_ers_result_t (*handle_hw_ras_error)(struct hnae3_ae_dev *ae_dev);
691 	bool (*get_hw_reset_stat)(struct hnae3_handle *handle);
692 	bool (*ae_dev_resetting)(struct hnae3_handle *handle);
693 	unsigned long (*ae_dev_reset_cnt)(struct hnae3_handle *handle);
694 	int (*set_gro_en)(struct hnae3_handle *handle, bool enable);
695 	u16 (*get_global_queue_id)(struct hnae3_handle *handle, u16 queue_id);
696 	void (*set_timer_task)(struct hnae3_handle *handle, bool enable);
697 	int (*mac_connect_phy)(struct hnae3_handle *handle);
698 	void (*mac_disconnect_phy)(struct hnae3_handle *handle);
699 	int (*get_vf_config)(struct hnae3_handle *handle, int vf,
700 			     struct ifla_vf_info *ivf);
701 	int (*set_vf_link_state)(struct hnae3_handle *handle, int vf,
702 				 int link_state);
703 	int (*set_vf_spoofchk)(struct hnae3_handle *handle, int vf,
704 			       bool enable);
705 	int (*set_vf_trust)(struct hnae3_handle *handle, int vf, bool enable);
706 	int (*set_vf_rate)(struct hnae3_handle *handle, int vf,
707 			   int min_tx_rate, int max_tx_rate, bool force);
708 	int (*set_vf_mac)(struct hnae3_handle *handle, int vf, u8 *p);
709 	int (*get_module_eeprom)(struct hnae3_handle *handle, u32 offset,
710 				 u32 len, u8 *data);
711 	bool (*get_cmdq_stat)(struct hnae3_handle *handle);
712 	int (*add_cls_flower)(struct hnae3_handle *handle,
713 			      struct flow_cls_offload *cls_flower, int tc);
714 	int (*del_cls_flower)(struct hnae3_handle *handle,
715 			      struct flow_cls_offload *cls_flower);
716 	bool (*cls_flower_active)(struct hnae3_handle *handle);
717 	int (*get_phy_link_ksettings)(struct hnae3_handle *handle,
718 				      struct ethtool_link_ksettings *cmd);
719 	int (*set_phy_link_ksettings)(struct hnae3_handle *handle,
720 				      const struct ethtool_link_ksettings *cmd);
721 	bool (*set_tx_hwts_info)(struct hnae3_handle *handle,
722 				 struct sk_buff *skb);
723 	void (*get_rx_hwts)(struct hnae3_handle *handle, struct sk_buff *skb,
724 			    u32 nsec, u32 sec);
725 	int (*get_ts_info)(struct hnae3_handle *handle,
726 			   struct ethtool_ts_info *info);
727 	int (*get_link_diagnosis_info)(struct hnae3_handle *handle,
728 				       u32 *status_code);
729 };
730 
731 struct hnae3_dcb_ops {
732 	/* IEEE 802.1Qaz std */
733 	int (*ieee_getets)(struct hnae3_handle *, struct ieee_ets *);
734 	int (*ieee_setets)(struct hnae3_handle *, struct ieee_ets *);
735 	int (*ieee_getpfc)(struct hnae3_handle *, struct ieee_pfc *);
736 	int (*ieee_setpfc)(struct hnae3_handle *, struct ieee_pfc *);
737 
738 	/* DCBX configuration */
739 	u8   (*getdcbx)(struct hnae3_handle *);
740 	u8   (*setdcbx)(struct hnae3_handle *, u8);
741 
742 	int (*setup_tc)(struct hnae3_handle *handle,
743 			struct tc_mqprio_qopt_offload *mqprio_qopt);
744 };
745 
746 struct hnae3_ae_algo {
747 	const struct hnae3_ae_ops *ops;
748 	struct list_head node;
749 	const struct pci_device_id *pdev_id_table;
750 };
751 
752 #define HNAE3_INT_NAME_LEN        32
753 #define HNAE3_ITR_COUNTDOWN_START 100
754 
755 #define HNAE3_MAX_TC		8
756 #define HNAE3_MAX_USER_PRIO	8
757 struct hnae3_tc_info {
758 	u8 prio_tc[HNAE3_MAX_USER_PRIO]; /* TC indexed by prio */
759 	u16 tqp_count[HNAE3_MAX_TC];
760 	u16 tqp_offset[HNAE3_MAX_TC];
761 	u8 num_tc; /* Total number of enabled TCs */
762 	bool mqprio_active;
763 };
764 
765 struct hnae3_knic_private_info {
766 	struct net_device *netdev; /* Set by KNIC client when init instance */
767 	u16 rss_size;		   /* Allocated RSS queues */
768 	u16 req_rss_size;
769 	u16 rx_buf_len;
770 	u16 num_tx_desc;
771 	u16 num_rx_desc;
772 	u32 tx_spare_buf_size;
773 
774 	struct hnae3_tc_info tc_info;
775 
776 	u16 num_tqps;		  /* total number of TQPs in this handle */
777 	struct hnae3_queue **tqp;  /* array base of all TQPs in this instance */
778 	const struct hnae3_dcb_ops *dcb_ops;
779 
780 	u16 int_rl_setting;
781 	enum pkt_hash_types rss_type;
782 	void __iomem *io_base;
783 };
784 
785 struct hnae3_roce_private_info {
786 	struct net_device *netdev;
787 	void __iomem *roce_io_base;
788 	void __iomem *roce_mem_base;
789 	int base_vector;
790 	int num_vectors;
791 
792 	/* The below attributes defined for RoCE client, hnae3 gives
793 	 * initial values to them, and RoCE client can modify and use
794 	 * them.
795 	 */
796 	unsigned long reset_state;
797 	unsigned long instance_state;
798 	unsigned long state;
799 };
800 
801 #define HNAE3_SUPPORT_APP_LOOPBACK    BIT(0)
802 #define HNAE3_SUPPORT_PHY_LOOPBACK    BIT(1)
803 #define HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK	BIT(2)
804 #define HNAE3_SUPPORT_VF	      BIT(3)
805 #define HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK	BIT(4)
806 
807 #define HNAE3_USER_UPE		BIT(0)	/* unicast promisc enabled by user */
808 #define HNAE3_USER_MPE		BIT(1)	/* mulitcast promisc enabled by user */
809 #define HNAE3_BPE		BIT(2)	/* broadcast promisc enable */
810 #define HNAE3_OVERFLOW_UPE	BIT(3)	/* unicast mac vlan overflow */
811 #define HNAE3_OVERFLOW_MPE	BIT(4)	/* multicast mac vlan overflow */
812 #define HNAE3_UPE		(HNAE3_USER_UPE | HNAE3_OVERFLOW_UPE)
813 #define HNAE3_MPE		(HNAE3_USER_MPE | HNAE3_OVERFLOW_MPE)
814 
815 enum hnae3_pflag {
816 	HNAE3_PFLAG_LIMIT_PROMISC,
817 	HNAE3_PFLAG_MAX
818 };
819 
820 struct hnae3_handle {
821 	struct hnae3_client *client;
822 	struct pci_dev *pdev;
823 	void *priv;
824 	struct hnae3_ae_algo *ae_algo;  /* the class who provides this handle */
825 	u64 flags; /* Indicate the capabilities for this handle */
826 
827 	union {
828 		struct net_device *netdev; /* first member */
829 		struct hnae3_knic_private_info kinfo;
830 		struct hnae3_roce_private_info rinfo;
831 	};
832 
833 	u32 numa_node_mask;	/* for multi-chip support */
834 
835 	enum hnae3_port_base_vlan_state port_base_vlan_state;
836 
837 	u8 netdev_flags;
838 	struct dentry *hnae3_dbgfs;
839 
840 	/* Network interface message level enabled bits */
841 	u32 msg_enable;
842 
843 	unsigned long supported_pflags;
844 	unsigned long priv_flags;
845 };
846 
847 #define hnae3_set_field(origin, mask, shift, val) \
848 	do { \
849 		(origin) &= (~(mask)); \
850 		(origin) |= ((val) << (shift)) & (mask); \
851 	} while (0)
852 #define hnae3_get_field(origin, mask, shift) (((origin) & (mask)) >> (shift))
853 
854 #define hnae3_set_bit(origin, shift, val) \
855 	hnae3_set_field(origin, 0x1 << (shift), shift, val)
856 #define hnae3_get_bit(origin, shift) \
857 	hnae3_get_field(origin, 0x1 << (shift), shift)
858 
859 int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev);
860 void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev);
861 
862 void hnae3_unregister_ae_algo(struct hnae3_ae_algo *ae_algo);
863 void hnae3_register_ae_algo(struct hnae3_ae_algo *ae_algo);
864 
865 void hnae3_unregister_client(struct hnae3_client *client);
866 int hnae3_register_client(struct hnae3_client *client);
867 
868 void hnae3_set_client_init_flag(struct hnae3_client *client,
869 				struct hnae3_ae_dev *ae_dev,
870 				unsigned int inited);
871 #endif
872