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