net: hns3: add support for external loopback test
[platform/kernel/linux-starfive.git] / drivers / net / ethernet / hisilicon / hns3 / hnae3.h
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         HNAE3_DEV_SUPPORT_CQ_B,
100         HNAE3_DEV_SUPPORT_FEC_STATS_B,
101         HNAE3_DEV_SUPPORT_LANE_NUM_B,
102 };
103
104 #define hnae3_ae_dev_fd_supported(ae_dev) \
105                 test_bit(HNAE3_DEV_SUPPORT_FD_B, (ae_dev)->caps)
106
107 #define hnae3_ae_dev_gro_supported(ae_dev) \
108                 test_bit(HNAE3_DEV_SUPPORT_GRO_B, (ae_dev)->caps)
109
110 #define hnae3_dev_fec_supported(hdev) \
111         test_bit(HNAE3_DEV_SUPPORT_FEC_B, (hdev)->ae_dev->caps)
112
113 #define hnae3_dev_udp_gso_supported(hdev) \
114         test_bit(HNAE3_DEV_SUPPORT_UDP_GSO_B, (hdev)->ae_dev->caps)
115
116 #define hnae3_dev_qb_supported(hdev) \
117         test_bit(HNAE3_DEV_SUPPORT_QB_B, (hdev)->ae_dev->caps)
118
119 #define hnae3_dev_fd_forward_tc_supported(hdev) \
120         test_bit(HNAE3_DEV_SUPPORT_FD_FORWARD_TC_B, (hdev)->ae_dev->caps)
121
122 #define hnae3_dev_ptp_supported(hdev) \
123         test_bit(HNAE3_DEV_SUPPORT_PTP_B, (hdev)->ae_dev->caps)
124
125 #define hnae3_dev_int_ql_supported(hdev) \
126         test_bit(HNAE3_DEV_SUPPORT_INT_QL_B, (hdev)->ae_dev->caps)
127
128 #define hnae3_dev_hw_csum_supported(hdev) \
129         test_bit(HNAE3_DEV_SUPPORT_HW_TX_CSUM_B, (hdev)->ae_dev->caps)
130
131 #define hnae3_dev_tx_push_supported(hdev) \
132         test_bit(HNAE3_DEV_SUPPORT_TX_PUSH_B, (hdev)->ae_dev->caps)
133
134 #define hnae3_dev_phy_imp_supported(hdev) \
135         test_bit(HNAE3_DEV_SUPPORT_PHY_IMP_B, (hdev)->ae_dev->caps)
136
137 #define hnae3_dev_ras_imp_supported(hdev) \
138         test_bit(HNAE3_DEV_SUPPORT_RAS_IMP_B, (hdev)->ae_dev->caps)
139
140 #define hnae3_dev_tqp_txrx_indep_supported(hdev) \
141         test_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, (hdev)->ae_dev->caps)
142
143 #define hnae3_dev_hw_pad_supported(hdev) \
144         test_bit(HNAE3_DEV_SUPPORT_HW_PAD_B, (hdev)->ae_dev->caps)
145
146 #define hnae3_dev_stash_supported(hdev) \
147         test_bit(HNAE3_DEV_SUPPORT_STASH_B, (hdev)->ae_dev->caps)
148
149 #define hnae3_dev_pause_supported(hdev) \
150         test_bit(HNAE3_DEV_SUPPORT_PAUSE_B, (hdev)->ae_dev->caps)
151
152 #define hnae3_ae_dev_tqp_txrx_indep_supported(ae_dev) \
153         test_bit(HNAE3_DEV_SUPPORT_TQP_TXRX_INDEP_B, (ae_dev)->caps)
154
155 #define hnae3_ae_dev_rxd_adv_layout_supported(ae_dev) \
156         test_bit(HNAE3_DEV_SUPPORT_RXD_ADV_LAYOUT_B, (ae_dev)->caps)
157
158 #define hnae3_ae_dev_mc_mac_mng_supported(ae_dev) \
159         test_bit(HNAE3_DEV_SUPPORT_MC_MAC_MNG_B, (ae_dev)->caps)
160
161 #define hnae3_ae_dev_cq_supported(ae_dev) \
162         test_bit(HNAE3_DEV_SUPPORT_CQ_B, (ae_dev)->caps)
163
164 #define hnae3_ae_dev_fec_stats_supported(ae_dev) \
165         test_bit(HNAE3_DEV_SUPPORT_FEC_STATS_B, (ae_dev)->caps)
166
167 #define hnae3_ae_dev_lane_num_supported(ae_dev) \
168         test_bit(HNAE3_DEV_SUPPORT_LANE_NUM_B, (ae_dev)->caps)
169
170 enum HNAE3_PF_CAP_BITS {
171         HNAE3_PF_SUPPORT_VLAN_FLTR_MDF_B = 0,
172 };
173 #define ring_ptr_move_fw(ring, p) \
174         ((ring)->p = ((ring)->p + 1) % (ring)->desc_num)
175 #define ring_ptr_move_bw(ring, p) \
176         ((ring)->p = ((ring)->p - 1 + (ring)->desc_num) % (ring)->desc_num)
177
178 struct hnae3_handle;
179
180 struct hnae3_queue {
181         void __iomem *io_base;
182         void __iomem *mem_base;
183         struct hnae3_ae_algo *ae_algo;
184         struct hnae3_handle *handle;
185         int tqp_index;          /* index in a handle */
186         u32 buf_size;           /* size for hnae_desc->addr, preset by AE */
187         u16 tx_desc_num;        /* total number of tx desc */
188         u16 rx_desc_num;        /* total number of rx desc */
189 };
190
191 struct hns3_mac_stats {
192         u64 tx_pause_cnt;
193         u64 rx_pause_cnt;
194 };
195
196 /* hnae3 loop mode */
197 enum hnae3_loop {
198         HNAE3_LOOP_EXTERNAL,
199         HNAE3_LOOP_APP,
200         HNAE3_LOOP_SERIAL_SERDES,
201         HNAE3_LOOP_PARALLEL_SERDES,
202         HNAE3_LOOP_PHY,
203         HNAE3_LOOP_NONE,
204 };
205
206 enum hnae3_client_type {
207         HNAE3_CLIENT_KNIC,
208         HNAE3_CLIENT_ROCE,
209 };
210
211 /* mac media type */
212 enum hnae3_media_type {
213         HNAE3_MEDIA_TYPE_UNKNOWN,
214         HNAE3_MEDIA_TYPE_FIBER,
215         HNAE3_MEDIA_TYPE_COPPER,
216         HNAE3_MEDIA_TYPE_BACKPLANE,
217         HNAE3_MEDIA_TYPE_NONE,
218 };
219
220 /* must be consistent with definition in firmware */
221 enum hnae3_module_type {
222         HNAE3_MODULE_TYPE_UNKNOWN       = 0x00,
223         HNAE3_MODULE_TYPE_FIBRE_LR      = 0x01,
224         HNAE3_MODULE_TYPE_FIBRE_SR      = 0x02,
225         HNAE3_MODULE_TYPE_AOC           = 0x03,
226         HNAE3_MODULE_TYPE_CR            = 0x04,
227         HNAE3_MODULE_TYPE_KR            = 0x05,
228         HNAE3_MODULE_TYPE_TP            = 0x06,
229 };
230
231 enum hnae3_fec_mode {
232         HNAE3_FEC_AUTO = 0,
233         HNAE3_FEC_BASER,
234         HNAE3_FEC_RS,
235         HNAE3_FEC_LLRS,
236         HNAE3_FEC_NONE,
237         HNAE3_FEC_USER_DEF,
238 };
239
240 enum hnae3_reset_notify_type {
241         HNAE3_UP_CLIENT,
242         HNAE3_DOWN_CLIENT,
243         HNAE3_INIT_CLIENT,
244         HNAE3_UNINIT_CLIENT,
245 };
246
247 enum hnae3_hw_error_type {
248         HNAE3_PPU_POISON_ERROR,
249         HNAE3_CMDQ_ECC_ERROR,
250         HNAE3_IMP_RD_POISON_ERROR,
251         HNAE3_ROCEE_AXI_RESP_ERROR,
252 };
253
254 enum hnae3_reset_type {
255         HNAE3_VF_RESET,
256         HNAE3_VF_FUNC_RESET,
257         HNAE3_VF_PF_FUNC_RESET,
258         HNAE3_VF_FULL_RESET,
259         HNAE3_FLR_RESET,
260         HNAE3_FUNC_RESET,
261         HNAE3_GLOBAL_RESET,
262         HNAE3_IMP_RESET,
263         HNAE3_NONE_RESET,
264         HNAE3_MAX_RESET,
265 };
266
267 enum hnae3_port_base_vlan_state {
268         HNAE3_PORT_BASE_VLAN_DISABLE,
269         HNAE3_PORT_BASE_VLAN_ENABLE,
270         HNAE3_PORT_BASE_VLAN_MODIFY,
271         HNAE3_PORT_BASE_VLAN_NOCHANGE,
272 };
273
274 enum hnae3_dbg_cmd {
275         HNAE3_DBG_CMD_TM_NODES,
276         HNAE3_DBG_CMD_TM_PRI,
277         HNAE3_DBG_CMD_TM_QSET,
278         HNAE3_DBG_CMD_TM_MAP,
279         HNAE3_DBG_CMD_TM_PG,
280         HNAE3_DBG_CMD_TM_PORT,
281         HNAE3_DBG_CMD_TC_SCH_INFO,
282         HNAE3_DBG_CMD_QOS_PAUSE_CFG,
283         HNAE3_DBG_CMD_QOS_PRI_MAP,
284         HNAE3_DBG_CMD_QOS_DSCP_MAP,
285         HNAE3_DBG_CMD_QOS_BUF_CFG,
286         HNAE3_DBG_CMD_DEV_INFO,
287         HNAE3_DBG_CMD_TX_BD,
288         HNAE3_DBG_CMD_RX_BD,
289         HNAE3_DBG_CMD_MAC_UC,
290         HNAE3_DBG_CMD_MAC_MC,
291         HNAE3_DBG_CMD_MNG_TBL,
292         HNAE3_DBG_CMD_LOOPBACK,
293         HNAE3_DBG_CMD_PTP_INFO,
294         HNAE3_DBG_CMD_INTERRUPT_INFO,
295         HNAE3_DBG_CMD_RESET_INFO,
296         HNAE3_DBG_CMD_IMP_INFO,
297         HNAE3_DBG_CMD_NCL_CONFIG,
298         HNAE3_DBG_CMD_REG_BIOS_COMMON,
299         HNAE3_DBG_CMD_REG_SSU,
300         HNAE3_DBG_CMD_REG_IGU_EGU,
301         HNAE3_DBG_CMD_REG_RPU,
302         HNAE3_DBG_CMD_REG_NCSI,
303         HNAE3_DBG_CMD_REG_RTC,
304         HNAE3_DBG_CMD_REG_PPP,
305         HNAE3_DBG_CMD_REG_RCB,
306         HNAE3_DBG_CMD_REG_TQP,
307         HNAE3_DBG_CMD_REG_MAC,
308         HNAE3_DBG_CMD_REG_DCB,
309         HNAE3_DBG_CMD_VLAN_CONFIG,
310         HNAE3_DBG_CMD_QUEUE_MAP,
311         HNAE3_DBG_CMD_RX_QUEUE_INFO,
312         HNAE3_DBG_CMD_TX_QUEUE_INFO,
313         HNAE3_DBG_CMD_FD_TCAM,
314         HNAE3_DBG_CMD_FD_COUNTER,
315         HNAE3_DBG_CMD_MAC_TNL_STATUS,
316         HNAE3_DBG_CMD_SERV_INFO,
317         HNAE3_DBG_CMD_UMV_INFO,
318         HNAE3_DBG_CMD_PAGE_POOL_INFO,
319         HNAE3_DBG_CMD_COAL_INFO,
320         HNAE3_DBG_CMD_UNKNOWN,
321 };
322
323 enum hnae3_tc_map_mode {
324         HNAE3_TC_MAP_MODE_PRIO,
325         HNAE3_TC_MAP_MODE_DSCP,
326 };
327
328 struct hnae3_vector_info {
329         u8 __iomem *io_addr;
330         int vector;
331 };
332
333 #define HNAE3_RING_TYPE_B 0
334 #define HNAE3_RING_TYPE_TX 0
335 #define HNAE3_RING_TYPE_RX 1
336 #define HNAE3_RING_GL_IDX_S 0
337 #define HNAE3_RING_GL_IDX_M GENMASK(1, 0)
338 #define HNAE3_RING_GL_RX 0
339 #define HNAE3_RING_GL_TX 1
340
341 #define HNAE3_FW_VERSION_BYTE3_SHIFT    24
342 #define HNAE3_FW_VERSION_BYTE3_MASK     GENMASK(31, 24)
343 #define HNAE3_FW_VERSION_BYTE2_SHIFT    16
344 #define HNAE3_FW_VERSION_BYTE2_MASK     GENMASK(23, 16)
345 #define HNAE3_FW_VERSION_BYTE1_SHIFT    8
346 #define HNAE3_FW_VERSION_BYTE1_MASK     GENMASK(15, 8)
347 #define HNAE3_FW_VERSION_BYTE0_SHIFT    0
348 #define HNAE3_FW_VERSION_BYTE0_MASK     GENMASK(7, 0)
349
350 struct hnae3_ring_chain_node {
351         struct hnae3_ring_chain_node *next;
352         u32 tqp_index;
353         u32 flag;
354         u32 int_gl_idx;
355 };
356
357 #define HNAE3_IS_TX_RING(node) \
358         (((node)->flag & 1 << HNAE3_RING_TYPE_B) == HNAE3_RING_TYPE_TX)
359
360 /* device specification info from firmware */
361 struct hnae3_dev_specs {
362         u32 mac_entry_num; /* number of mac-vlan table entry */
363         u32 mng_entry_num; /* number of manager table entry */
364         u32 max_tm_rate;
365         u16 rss_ind_tbl_size;
366         u16 rss_key_size;
367         u16 int_ql_max; /* max value of interrupt coalesce based on INT_QL */
368         u16 max_int_gl; /* max value of interrupt coalesce based on INT_GL */
369         u8 max_non_tso_bd_num; /* max BD number of one non-TSO packet */
370         u16 max_frm_size;
371         u16 max_qset_num;
372         u16 umv_size;
373         u16 mc_mac_size;
374         u32 mac_stats_num;
375 };
376
377 struct hnae3_client_ops {
378         int (*init_instance)(struct hnae3_handle *handle);
379         void (*uninit_instance)(struct hnae3_handle *handle, bool reset);
380         void (*link_status_change)(struct hnae3_handle *handle, bool state);
381         int (*reset_notify)(struct hnae3_handle *handle,
382                             enum hnae3_reset_notify_type type);
383         void (*process_hw_error)(struct hnae3_handle *handle,
384                                  enum hnae3_hw_error_type);
385 };
386
387 #define HNAE3_CLIENT_NAME_LENGTH 16
388 struct hnae3_client {
389         char name[HNAE3_CLIENT_NAME_LENGTH];
390         unsigned long state;
391         enum hnae3_client_type type;
392         const struct hnae3_client_ops *ops;
393         struct list_head node;
394 };
395
396 #define HNAE3_DEV_CAPS_MAX_NUM  96
397 struct hnae3_ae_dev {
398         struct pci_dev *pdev;
399         const struct hnae3_ae_ops *ops;
400         struct list_head node;
401         u32 flag;
402         unsigned long hw_err_reset_req;
403         struct hnae3_dev_specs dev_specs;
404         u32 dev_version;
405         unsigned long caps[BITS_TO_LONGS(HNAE3_DEV_CAPS_MAX_NUM)];
406         void *priv;
407 };
408
409 /* This struct defines the operation on the handle.
410  *
411  * init_ae_dev(): (mandatory)
412  *   Get PF configure from pci_dev and initialize PF hardware
413  * uninit_ae_dev()
414  *   Disable PF device and release PF resource
415  * register_client
416  *   Register client to ae_dev
417  * unregister_client()
418  *   Unregister client from ae_dev
419  * start()
420  *   Enable the hardware
421  * stop()
422  *   Disable the hardware
423  * start_client()
424  *   Inform the hclge that client has been started
425  * stop_client()
426  *   Inform the hclge that client has been stopped
427  * get_status()
428  *   Get the carrier state of the back channel of the handle, 1 for ok, 0 for
429  *   non-ok
430  * get_ksettings_an_result()
431  *   Get negotiation status,speed and duplex
432  * get_media_type()
433  *   Get media type of MAC
434  * check_port_speed()
435  *   Check target speed whether is supported
436  * adjust_link()
437  *   Adjust link status
438  * set_loopback()
439  *   Set loopback
440  * set_promisc_mode
441  *   Set promisc mode
442  * request_update_promisc_mode
443  *   request to hclge(vf) to update promisc mode
444  * set_mtu()
445  *   set mtu
446  * get_pauseparam()
447  *   get tx and rx of pause frame use
448  * set_pauseparam()
449  *   set tx and rx of pause frame use
450  * set_autoneg()
451  *   set auto autonegotiation of pause frame use
452  * get_autoneg()
453  *   get auto autonegotiation of pause frame use
454  * restart_autoneg()
455  *   restart autonegotiation
456  * halt_autoneg()
457  *   halt/resume autonegotiation when autonegotiation on
458  * get_coalesce_usecs()
459  *   get usecs to delay a TX interrupt after a packet is sent
460  * get_rx_max_coalesced_frames()
461  *   get Maximum number of packets to be sent before a TX interrupt.
462  * set_coalesce_usecs()
463  *   set usecs to delay a TX interrupt after a packet is sent
464  * set_coalesce_frames()
465  *   set Maximum number of packets to be sent before a TX interrupt.
466  * get_mac_addr()
467  *   get mac address
468  * set_mac_addr()
469  *   set mac address
470  * add_uc_addr
471  *   Add unicast addr to mac table
472  * rm_uc_addr
473  *   Remove unicast addr from mac table
474  * set_mc_addr()
475  *   Set multicast address
476  * add_mc_addr
477  *   Add multicast address to mac table
478  * rm_mc_addr
479  *   Remove multicast address from mac table
480  * update_stats()
481  *   Update Old network device statistics
482  * get_mac_stats()
483  *   get mac pause statistics including tx_cnt and rx_cnt
484  * get_ethtool_stats()
485  *   Get ethtool network device statistics
486  * get_strings()
487  *   Get a set of strings that describe the requested objects
488  * get_sset_count()
489  *   Get number of strings that @get_strings will write
490  * update_led_status()
491  *   Update the led status
492  * set_led_id()
493  *   Set led id
494  * get_regs()
495  *   Get regs dump
496  * get_regs_len()
497  *   Get the len of the regs dump
498  * get_rss_key_size()
499  *   Get rss key size
500  * get_rss()
501  *   Get rss table
502  * set_rss()
503  *   Set rss table
504  * get_tc_size()
505  *   Get tc size of handle
506  * get_vector()
507  *   Get vector number and vector information
508  * put_vector()
509  *   Put the vector in hdev
510  * map_ring_to_vector()
511  *   Map rings to vector
512  * unmap_ring_from_vector()
513  *   Unmap rings from vector
514  * reset_queue()
515  *   Reset queue
516  * get_fw_version()
517  *   Get firmware version
518  * get_mdix_mode()
519  *   Get media typr of phy
520  * enable_vlan_filter()
521  *   Enable vlan filter
522  * set_vlan_filter()
523  *   Set vlan filter config of Ports
524  * set_vf_vlan_filter()
525  *   Set vlan filter config of vf
526  * enable_hw_strip_rxvtag()
527  *   Enable/disable hardware strip vlan tag of packets received
528  * set_gro_en
529  *   Enable/disable HW GRO
530  * add_arfs_entry
531  *   Check the 5-tuples of flow, and create flow director rule
532  * get_vf_config
533  *   Get the VF configuration setting by the host
534  * set_vf_link_state
535  *   Set VF link status
536  * set_vf_spoofchk
537  *   Enable/disable spoof check for specified vf
538  * set_vf_trust
539  *   Enable/disable trust for specified vf, if the vf being trusted, then
540  *   it can enable promisc mode
541  * set_vf_rate
542  *   Set the max tx rate of specified vf.
543  * set_vf_mac
544  *   Configure the default MAC for specified VF
545  * get_module_eeprom
546  *   Get the optical module eeprom info.
547  * add_cls_flower
548  *   Add clsflower rule
549  * del_cls_flower
550  *   Delete clsflower rule
551  * cls_flower_active
552  *   Check if any cls flower rule exist
553  * dbg_read_cmd
554  *   Execute debugfs read command.
555  * set_tx_hwts_info
556  *   Save information for 1588 tx packet
557  * get_rx_hwts
558  *   Get 1588 rx hwstamp
559  * get_ts_info
560  *   Get phc info
561  * clean_vf_config
562  *   Clean residual vf info after disable sriov
563  */
564 struct hnae3_ae_ops {
565         int (*init_ae_dev)(struct hnae3_ae_dev *ae_dev);
566         void (*uninit_ae_dev)(struct hnae3_ae_dev *ae_dev);
567         void (*reset_prepare)(struct hnae3_ae_dev *ae_dev,
568                               enum hnae3_reset_type rst_type);
569         void (*reset_done)(struct hnae3_ae_dev *ae_dev);
570         int (*init_client_instance)(struct hnae3_client *client,
571                                     struct hnae3_ae_dev *ae_dev);
572         void (*uninit_client_instance)(struct hnae3_client *client,
573                                        struct hnae3_ae_dev *ae_dev);
574         int (*start)(struct hnae3_handle *handle);
575         void (*stop)(struct hnae3_handle *handle);
576         int (*client_start)(struct hnae3_handle *handle);
577         void (*client_stop)(struct hnae3_handle *handle);
578         int (*get_status)(struct hnae3_handle *handle);
579         void (*get_ksettings_an_result)(struct hnae3_handle *handle,
580                                         u8 *auto_neg, u32 *speed, u8 *duplex,
581                                         u32 *lane_num);
582
583         int (*cfg_mac_speed_dup_h)(struct hnae3_handle *handle, int speed,
584                                    u8 duplex, u8 lane_num);
585
586         void (*get_media_type)(struct hnae3_handle *handle, u8 *media_type,
587                                u8 *module_type);
588         int (*check_port_speed)(struct hnae3_handle *handle, u32 speed);
589         void (*get_fec_stats)(struct hnae3_handle *handle,
590                               struct ethtool_fec_stats *fec_stats);
591         void (*get_fec)(struct hnae3_handle *handle, u8 *fec_ability,
592                         u8 *fec_mode);
593         int (*set_fec)(struct hnae3_handle *handle, u32 fec_mode);
594         void (*adjust_link)(struct hnae3_handle *handle, int speed, int duplex);
595         int (*set_loopback)(struct hnae3_handle *handle,
596                             enum hnae3_loop loop_mode, bool en);
597
598         int (*set_promisc_mode)(struct hnae3_handle *handle, bool en_uc_pmc,
599                                 bool en_mc_pmc);
600         void (*request_update_promisc_mode)(struct hnae3_handle *handle);
601         int (*set_mtu)(struct hnae3_handle *handle, int new_mtu);
602
603         void (*get_pauseparam)(struct hnae3_handle *handle,
604                                u32 *auto_neg, u32 *rx_en, u32 *tx_en);
605         int (*set_pauseparam)(struct hnae3_handle *handle,
606                               u32 auto_neg, u32 rx_en, u32 tx_en);
607
608         int (*set_autoneg)(struct hnae3_handle *handle, bool enable);
609         int (*get_autoneg)(struct hnae3_handle *handle);
610         int (*restart_autoneg)(struct hnae3_handle *handle);
611         int (*halt_autoneg)(struct hnae3_handle *handle, bool halt);
612
613         void (*get_coalesce_usecs)(struct hnae3_handle *handle,
614                                    u32 *tx_usecs, u32 *rx_usecs);
615         void (*get_rx_max_coalesced_frames)(struct hnae3_handle *handle,
616                                             u32 *tx_frames, u32 *rx_frames);
617         int (*set_coalesce_usecs)(struct hnae3_handle *handle, u32 timeout);
618         int (*set_coalesce_frames)(struct hnae3_handle *handle,
619                                    u32 coalesce_frames);
620         void (*get_coalesce_range)(struct hnae3_handle *handle,
621                                    u32 *tx_frames_low, u32 *rx_frames_low,
622                                    u32 *tx_frames_high, u32 *rx_frames_high,
623                                    u32 *tx_usecs_low, u32 *rx_usecs_low,
624                                    u32 *tx_usecs_high, u32 *rx_usecs_high);
625
626         void (*get_mac_addr)(struct hnae3_handle *handle, u8 *p);
627         int (*set_mac_addr)(struct hnae3_handle *handle, const void *p,
628                             bool is_first);
629         int (*do_ioctl)(struct hnae3_handle *handle,
630                         struct ifreq *ifr, int cmd);
631         int (*add_uc_addr)(struct hnae3_handle *handle,
632                            const unsigned char *addr);
633         int (*rm_uc_addr)(struct hnae3_handle *handle,
634                           const unsigned char *addr);
635         int (*set_mc_addr)(struct hnae3_handle *handle, void *addr);
636         int (*add_mc_addr)(struct hnae3_handle *handle,
637                            const unsigned char *addr);
638         int (*rm_mc_addr)(struct hnae3_handle *handle,
639                           const unsigned char *addr);
640         void (*set_tso_stats)(struct hnae3_handle *handle, int enable);
641         void (*update_stats)(struct hnae3_handle *handle,
642                              struct net_device_stats *net_stats);
643         void (*get_stats)(struct hnae3_handle *handle, u64 *data);
644         void (*get_mac_stats)(struct hnae3_handle *handle,
645                               struct hns3_mac_stats *mac_stats);
646         void (*get_strings)(struct hnae3_handle *handle,
647                             u32 stringset, u8 *data);
648         int (*get_sset_count)(struct hnae3_handle *handle, int stringset);
649
650         void (*get_regs)(struct hnae3_handle *handle, u32 *version,
651                          void *data);
652         int (*get_regs_len)(struct hnae3_handle *handle);
653
654         u32 (*get_rss_key_size)(struct hnae3_handle *handle);
655         int (*get_rss)(struct hnae3_handle *handle, u32 *indir, u8 *key,
656                        u8 *hfunc);
657         int (*set_rss)(struct hnae3_handle *handle, const u32 *indir,
658                        const u8 *key, const u8 hfunc);
659         int (*set_rss_tuple)(struct hnae3_handle *handle,
660                              struct ethtool_rxnfc *cmd);
661         int (*get_rss_tuple)(struct hnae3_handle *handle,
662                              struct ethtool_rxnfc *cmd);
663
664         int (*get_tc_size)(struct hnae3_handle *handle);
665
666         int (*get_vector)(struct hnae3_handle *handle, u16 vector_num,
667                           struct hnae3_vector_info *vector_info);
668         int (*put_vector)(struct hnae3_handle *handle, int vector_num);
669         int (*map_ring_to_vector)(struct hnae3_handle *handle,
670                                   int vector_num,
671                                   struct hnae3_ring_chain_node *vr_chain);
672         int (*unmap_ring_from_vector)(struct hnae3_handle *handle,
673                                       int vector_num,
674                                       struct hnae3_ring_chain_node *vr_chain);
675
676         int (*reset_queue)(struct hnae3_handle *handle);
677         u32 (*get_fw_version)(struct hnae3_handle *handle);
678         void (*get_mdix_mode)(struct hnae3_handle *handle,
679                               u8 *tp_mdix_ctrl, u8 *tp_mdix);
680
681         int (*enable_vlan_filter)(struct hnae3_handle *handle, bool enable);
682         int (*set_vlan_filter)(struct hnae3_handle *handle, __be16 proto,
683                                u16 vlan_id, bool is_kill);
684         int (*set_vf_vlan_filter)(struct hnae3_handle *handle, int vfid,
685                                   u16 vlan, u8 qos, __be16 proto);
686         int (*enable_hw_strip_rxvtag)(struct hnae3_handle *handle, bool enable);
687         void (*reset_event)(struct pci_dev *pdev, struct hnae3_handle *handle);
688         enum hnae3_reset_type (*get_reset_level)(struct hnae3_ae_dev *ae_dev,
689                                                  unsigned long *addr);
690         void (*set_default_reset_request)(struct hnae3_ae_dev *ae_dev,
691                                           enum hnae3_reset_type rst_type);
692         void (*get_channels)(struct hnae3_handle *handle,
693                              struct ethtool_channels *ch);
694         void (*get_tqps_and_rss_info)(struct hnae3_handle *h,
695                                       u16 *alloc_tqps, u16 *max_rss_size);
696         int (*set_channels)(struct hnae3_handle *handle, u32 new_tqps_num,
697                             bool rxfh_configured);
698         void (*get_flowctrl_adv)(struct hnae3_handle *handle,
699                                  u32 *flowctrl_adv);
700         int (*set_led_id)(struct hnae3_handle *handle,
701                           enum ethtool_phys_id_state status);
702         void (*get_link_mode)(struct hnae3_handle *handle,
703                               unsigned long *supported,
704                               unsigned long *advertising);
705         int (*add_fd_entry)(struct hnae3_handle *handle,
706                             struct ethtool_rxnfc *cmd);
707         int (*del_fd_entry)(struct hnae3_handle *handle,
708                             struct ethtool_rxnfc *cmd);
709         int (*get_fd_rule_cnt)(struct hnae3_handle *handle,
710                                struct ethtool_rxnfc *cmd);
711         int (*get_fd_rule_info)(struct hnae3_handle *handle,
712                                 struct ethtool_rxnfc *cmd);
713         int (*get_fd_all_rules)(struct hnae3_handle *handle,
714                                 struct ethtool_rxnfc *cmd, u32 *rule_locs);
715         void (*enable_fd)(struct hnae3_handle *handle, bool enable);
716         int (*add_arfs_entry)(struct hnae3_handle *handle, u16 queue_id,
717                               u16 flow_id, struct flow_keys *fkeys);
718         int (*dbg_read_cmd)(struct hnae3_handle *handle, enum hnae3_dbg_cmd cmd,
719                             char *buf, int len);
720         pci_ers_result_t (*handle_hw_ras_error)(struct hnae3_ae_dev *ae_dev);
721         bool (*get_hw_reset_stat)(struct hnae3_handle *handle);
722         bool (*ae_dev_resetting)(struct hnae3_handle *handle);
723         unsigned long (*ae_dev_reset_cnt)(struct hnae3_handle *handle);
724         int (*set_gro_en)(struct hnae3_handle *handle, bool enable);
725         u16 (*get_global_queue_id)(struct hnae3_handle *handle, u16 queue_id);
726         void (*set_timer_task)(struct hnae3_handle *handle, bool enable);
727         int (*mac_connect_phy)(struct hnae3_handle *handle);
728         void (*mac_disconnect_phy)(struct hnae3_handle *handle);
729         int (*get_vf_config)(struct hnae3_handle *handle, int vf,
730                              struct ifla_vf_info *ivf);
731         int (*set_vf_link_state)(struct hnae3_handle *handle, int vf,
732                                  int link_state);
733         int (*set_vf_spoofchk)(struct hnae3_handle *handle, int vf,
734                                bool enable);
735         int (*set_vf_trust)(struct hnae3_handle *handle, int vf, bool enable);
736         int (*set_vf_rate)(struct hnae3_handle *handle, int vf,
737                            int min_tx_rate, int max_tx_rate, bool force);
738         int (*set_vf_mac)(struct hnae3_handle *handle, int vf, u8 *p);
739         int (*get_module_eeprom)(struct hnae3_handle *handle, u32 offset,
740                                  u32 len, u8 *data);
741         bool (*get_cmdq_stat)(struct hnae3_handle *handle);
742         int (*add_cls_flower)(struct hnae3_handle *handle,
743                               struct flow_cls_offload *cls_flower, int tc);
744         int (*del_cls_flower)(struct hnae3_handle *handle,
745                               struct flow_cls_offload *cls_flower);
746         bool (*cls_flower_active)(struct hnae3_handle *handle);
747         int (*get_phy_link_ksettings)(struct hnae3_handle *handle,
748                                       struct ethtool_link_ksettings *cmd);
749         int (*set_phy_link_ksettings)(struct hnae3_handle *handle,
750                                       const struct ethtool_link_ksettings *cmd);
751         bool (*set_tx_hwts_info)(struct hnae3_handle *handle,
752                                  struct sk_buff *skb);
753         void (*get_rx_hwts)(struct hnae3_handle *handle, struct sk_buff *skb,
754                             u32 nsec, u32 sec);
755         int (*get_ts_info)(struct hnae3_handle *handle,
756                            struct ethtool_ts_info *info);
757         int (*get_link_diagnosis_info)(struct hnae3_handle *handle,
758                                        u32 *status_code);
759         void (*clean_vf_config)(struct hnae3_ae_dev *ae_dev, int num_vfs);
760         int (*get_dscp_prio)(struct hnae3_handle *handle, u8 dscp,
761                              u8 *tc_map_mode, u8 *priority);
762 };
763
764 struct hnae3_dcb_ops {
765         /* IEEE 802.1Qaz std */
766         int (*ieee_getets)(struct hnae3_handle *, struct ieee_ets *);
767         int (*ieee_setets)(struct hnae3_handle *, struct ieee_ets *);
768         int (*ieee_getpfc)(struct hnae3_handle *, struct ieee_pfc *);
769         int (*ieee_setpfc)(struct hnae3_handle *, struct ieee_pfc *);
770         int (*ieee_setapp)(struct hnae3_handle *h, struct dcb_app *app);
771         int (*ieee_delapp)(struct hnae3_handle *h, struct dcb_app *app);
772
773         /* DCBX configuration */
774         u8   (*getdcbx)(struct hnae3_handle *);
775         u8   (*setdcbx)(struct hnae3_handle *, u8);
776
777         int (*setup_tc)(struct hnae3_handle *handle,
778                         struct tc_mqprio_qopt_offload *mqprio_qopt);
779 };
780
781 struct hnae3_ae_algo {
782         const struct hnae3_ae_ops *ops;
783         struct list_head node;
784         const struct pci_device_id *pdev_id_table;
785 };
786
787 #define HNAE3_INT_NAME_LEN        32
788 #define HNAE3_ITR_COUNTDOWN_START 100
789
790 #define HNAE3_MAX_TC            8
791 #define HNAE3_MAX_USER_PRIO     8
792 struct hnae3_tc_info {
793         u8 prio_tc[HNAE3_MAX_USER_PRIO]; /* TC indexed by prio */
794         u16 tqp_count[HNAE3_MAX_TC];
795         u16 tqp_offset[HNAE3_MAX_TC];
796         u8 max_tc; /* Total number of TCs */
797         u8 num_tc; /* Total number of enabled TCs */
798         bool mqprio_active;
799 };
800
801 struct hnae3_knic_private_info {
802         struct net_device *netdev; /* Set by KNIC client when init instance */
803         u16 rss_size;              /* Allocated RSS queues */
804         u16 req_rss_size;
805         u16 rx_buf_len;
806         u16 num_tx_desc;
807         u16 num_rx_desc;
808         u32 tx_spare_buf_size;
809
810         struct hnae3_tc_info tc_info;
811         u8 tc_map_mode;
812
813         u16 num_tqps;             /* total number of TQPs in this handle */
814         struct hnae3_queue **tqp;  /* array base of all TQPs in this instance */
815         const struct hnae3_dcb_ops *dcb_ops;
816
817         u16 int_rl_setting;
818         enum pkt_hash_types rss_type;
819         void __iomem *io_base;
820 };
821
822 struct hnae3_roce_private_info {
823         struct net_device *netdev;
824         void __iomem *roce_io_base;
825         void __iomem *roce_mem_base;
826         int base_vector;
827         int num_vectors;
828
829         /* The below attributes defined for RoCE client, hnae3 gives
830          * initial values to them, and RoCE client can modify and use
831          * them.
832          */
833         unsigned long reset_state;
834         unsigned long instance_state;
835         unsigned long state;
836 };
837
838 #define HNAE3_SUPPORT_APP_LOOPBACK    BIT(0)
839 #define HNAE3_SUPPORT_PHY_LOOPBACK    BIT(1)
840 #define HNAE3_SUPPORT_SERDES_SERIAL_LOOPBACK    BIT(2)
841 #define HNAE3_SUPPORT_VF              BIT(3)
842 #define HNAE3_SUPPORT_SERDES_PARALLEL_LOOPBACK  BIT(4)
843 #define HNAE3_SUPPORT_EXTERNAL_LOOPBACK BIT(5)
844
845 #define HNAE3_USER_UPE          BIT(0)  /* unicast promisc enabled by user */
846 #define HNAE3_USER_MPE          BIT(1)  /* mulitcast promisc enabled by user */
847 #define HNAE3_BPE               BIT(2)  /* broadcast promisc enable */
848 #define HNAE3_OVERFLOW_UPE      BIT(3)  /* unicast mac vlan overflow */
849 #define HNAE3_OVERFLOW_MPE      BIT(4)  /* multicast mac vlan overflow */
850 #define HNAE3_UPE               (HNAE3_USER_UPE | HNAE3_OVERFLOW_UPE)
851 #define HNAE3_MPE               (HNAE3_USER_MPE | HNAE3_OVERFLOW_MPE)
852
853 enum hnae3_pflag {
854         HNAE3_PFLAG_LIMIT_PROMISC,
855         HNAE3_PFLAG_MAX
856 };
857
858 struct hnae3_handle {
859         struct hnae3_client *client;
860         struct pci_dev *pdev;
861         void *priv;
862         struct hnae3_ae_algo *ae_algo;  /* the class who provides this handle */
863         u64 flags; /* Indicate the capabilities for this handle */
864
865         union {
866                 struct net_device *netdev; /* first member */
867                 struct hnae3_knic_private_info kinfo;
868                 struct hnae3_roce_private_info rinfo;
869         };
870
871         u32 numa_node_mask;     /* for multi-chip support */
872
873         enum hnae3_port_base_vlan_state port_base_vlan_state;
874
875         u8 netdev_flags;
876         struct dentry *hnae3_dbgfs;
877         /* protects concurrent contention between debugfs commands */
878         struct mutex dbgfs_lock;
879         char **dbgfs_buf;
880
881         /* Network interface message level enabled bits */
882         u32 msg_enable;
883
884         unsigned long supported_pflags;
885         unsigned long priv_flags;
886 };
887
888 #define hnae3_set_field(origin, mask, shift, val) \
889         do { \
890                 (origin) &= (~(mask)); \
891                 (origin) |= ((val) << (shift)) & (mask); \
892         } while (0)
893 #define hnae3_get_field(origin, mask, shift) (((origin) & (mask)) >> (shift))
894
895 #define hnae3_set_bit(origin, shift, val) \
896         hnae3_set_field(origin, 0x1 << (shift), shift, val)
897 #define hnae3_get_bit(origin, shift) \
898         hnae3_get_field(origin, 0x1 << (shift), shift)
899
900 #define HNAE3_FORMAT_MAC_ADDR_LEN       18
901 #define HNAE3_FORMAT_MAC_ADDR_OFFSET_0  0
902 #define HNAE3_FORMAT_MAC_ADDR_OFFSET_4  4
903 #define HNAE3_FORMAT_MAC_ADDR_OFFSET_5  5
904
905 static inline void hnae3_format_mac_addr(char *format_mac_addr,
906                                          const u8 *mac_addr)
907 {
908         snprintf(format_mac_addr, HNAE3_FORMAT_MAC_ADDR_LEN, "%02x:**:**:**:%02x:%02x",
909                  mac_addr[HNAE3_FORMAT_MAC_ADDR_OFFSET_0],
910                  mac_addr[HNAE3_FORMAT_MAC_ADDR_OFFSET_4],
911                  mac_addr[HNAE3_FORMAT_MAC_ADDR_OFFSET_5]);
912 }
913
914 int hnae3_register_ae_dev(struct hnae3_ae_dev *ae_dev);
915 void hnae3_unregister_ae_dev(struct hnae3_ae_dev *ae_dev);
916
917 void hnae3_unregister_ae_algo_prepare(struct hnae3_ae_algo *ae_algo);
918 void hnae3_unregister_ae_algo(struct hnae3_ae_algo *ae_algo);
919 void hnae3_register_ae_algo(struct hnae3_ae_algo *ae_algo);
920
921 void hnae3_unregister_client(struct hnae3_client *client);
922 int hnae3_register_client(struct hnae3_client *client);
923
924 void hnae3_set_client_init_flag(struct hnae3_client *client,
925                                 struct hnae3_ae_dev *ae_dev,
926                                 unsigned int inited);
927 #endif