1 /* SPDX-License-Identifier: BSD-3-Clause OR GPL-2.0 */
2 /* Copyright (c) 2015-2018 Mellanox Technologies. All rights reserved */
3
4 #ifndef _MLXSW_CORE_H
5 #define _MLXSW_CORE_H
6
7 #include <linux/module.h>
8 #include <linux/device.h>
9 #include <linux/slab.h>
10 #include <linux/gfp.h>
11 #include <linux/types.h>
12 #include <linux/skbuff.h>
13 #include <linux/workqueue.h>
14 #include <linux/net_namespace.h>
15 #include <linux/auxiliary_bus.h>
16 #include <net/devlink.h>
17
18 #include "trap.h"
19 #include "reg.h"
20 #include "cmd.h"
21 #include "resources.h"
22 #include "../mlxfw/mlxfw.h"
23
24 enum mlxsw_core_resource_id {
25 MLXSW_CORE_RESOURCE_PORTS = 1,
26 MLXSW_CORE_RESOURCE_MAX,
27 };
28
29 struct mlxsw_core;
30 struct mlxsw_core_port;
31 struct mlxsw_driver;
32 struct mlxsw_bus;
33 struct mlxsw_bus_info;
34 struct mlxsw_fw_rev;
35
36 unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core);
37
38 int mlxsw_core_max_lag(struct mlxsw_core *mlxsw_core, u16 *p_max_lag);
39 enum mlxsw_cmd_mbox_config_profile_lag_mode
40 mlxsw_core_lag_mode(struct mlxsw_core *mlxsw_core);
41 enum mlxsw_cmd_mbox_config_profile_flood_mode
42 mlxsw_core_flood_mode(struct mlxsw_core *mlxsw_core);
43
44 void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core);
45
46 struct mlxsw_linecards *mlxsw_core_linecards(struct mlxsw_core *mlxsw_core);
47
48 void mlxsw_core_linecards_set(struct mlxsw_core *mlxsw_core,
49 struct mlxsw_linecards *linecard);
50
51 bool
52 mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev,
53 const struct mlxsw_fw_rev *req_rev);
54
55 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver);
56 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver);
57
58 int mlxsw_core_fw_flash(struct mlxsw_core *mlxsw_core,
59 struct mlxfw_dev *mlxfw_dev,
60 const struct firmware *firmware,
61 struct netlink_ext_ack *extack);
62
63 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
64 const struct mlxsw_bus *mlxsw_bus,
65 void *bus_priv, bool reload,
66 struct devlink *devlink,
67 struct netlink_ext_ack *extack);
68 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload);
69
70 struct mlxsw_tx_info {
71 u16 local_port;
72 bool is_emad;
73 };
74
75 struct mlxsw_txhdr_info {
76 struct mlxsw_tx_info tx_info;
77 bool data;
78 u16 max_fid; /* Used for PTP packets which are sent as data. */
79 };
80
81 struct mlxsw_rx_md_info {
82 struct napi_struct *napi;
83 u32 cookie_index;
84 u32 latency;
85 u32 tx_congestion;
86 union {
87 /* Valid when 'tx_port_valid' is set. */
88 u16 tx_sys_port;
89 u16 tx_lag_id;
90 };
91 u16 tx_lag_port_index; /* Valid when 'tx_port_is_lag' is set. */
92 u8 tx_tc;
93 u8 latency_valid:1,
94 tx_congestion_valid:1,
95 tx_tc_valid:1,
96 tx_port_valid:1,
97 tx_port_is_lag:1,
98 unused:3;
99 };
100
101 bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core,
102 const struct mlxsw_tx_info *tx_info);
103 int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
104 const struct mlxsw_txhdr_info *txhdr_info);
105 void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core,
106 struct sk_buff *skb, u16 local_port);
107
108 struct mlxsw_rx_listener {
109 void (*func)(struct sk_buff *skb, u16 local_port, void *priv);
110 u16 local_port;
111 u8 mirror_reason;
112 u16 trap_id;
113 };
114
115 struct mlxsw_event_listener {
116 void (*func)(const struct mlxsw_reg_info *reg,
117 char *payload, void *priv);
118 enum mlxsw_event_trap_id trap_id;
119 };
120
121 struct mlxsw_listener {
122 u16 trap_id;
123 union {
124 struct mlxsw_rx_listener rx_listener;
125 struct mlxsw_event_listener event_listener;
126 };
127 enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */
128 enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */
129 u8 en_trap_group; /* Trap group when enabled */
130 u8 dis_trap_group; /* Trap group when disabled */
131 u8 is_ctrl:1, /* should go via control buffer or not */
132 is_event:1,
133 enabled_on_register:1; /* Trap should be enabled when listener
134 * is registered.
135 */
136 };
137
138 #define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
139 _dis_action, _enabled_on_register, _dis_trap_group, \
140 _mirror_reason) \
141 { \
142 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
143 .rx_listener = \
144 { \
145 .func = _func, \
146 .local_port = MLXSW_PORT_DONT_CARE, \
147 .mirror_reason = _mirror_reason, \
148 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
149 }, \
150 .en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \
151 .dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \
152 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \
153 .dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \
154 .is_ctrl = _is_ctrl, \
155 .enabled_on_register = _enabled_on_register, \
156 }
157
158 #define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \
159 _dis_action) \
160 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \
161 _dis_action, true, _trap_group, 0)
162
163 #define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
164 _dis_action, _dis_trap_group) \
165 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
166 _dis_action, false, _dis_trap_group, 0)
167
168 #define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason) \
169 __MLXSW_RXL(_func, MIRROR_SESSION##_session_id, TRAP_TO_CPU, false, \
170 _trap_group, TRAP_TO_CPU, true, _trap_group, \
171 _mirror_reason)
172
173 #define MLXSW_EVENTL(_func, _trap_id, _trap_group) \
174 { \
175 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
176 .event_listener = \
177 { \
178 .func = _func, \
179 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
180 }, \
181 .en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \
182 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
183 .is_event = true, \
184 .enabled_on_register = true, \
185 }
186
187 #define MLXSW_CORE_EVENTL(_func, _trap_id) \
188 MLXSW_EVENTL(_func, _trap_id, CORE_EVENT)
189
190 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
191 const struct mlxsw_rx_listener *rxl,
192 void *priv, bool enabled);
193 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
194 const struct mlxsw_rx_listener *rxl);
195
196 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
197 const struct mlxsw_event_listener *el,
198 void *priv);
199 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
200 const struct mlxsw_event_listener *el);
201
202 int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core,
203 const struct mlxsw_listener *listener,
204 void *priv);
205 void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core,
206 const struct mlxsw_listener *listener,
207 void *priv);
208 int mlxsw_core_traps_register(struct mlxsw_core *mlxsw_core,
209 const struct mlxsw_listener *listeners,
210 size_t listeners_count, void *priv);
211 void mlxsw_core_traps_unregister(struct mlxsw_core *mlxsw_core,
212 const struct mlxsw_listener *listeners,
213 size_t listeners_count, void *priv);
214 int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core,
215 const struct mlxsw_listener *listener,
216 bool enabled);
217
218 typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload,
219 size_t payload_len, unsigned long cb_priv);
220
221 int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core,
222 const struct mlxsw_reg_info *reg, char *payload,
223 struct list_head *bulk_list,
224 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
225 int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core,
226 const struct mlxsw_reg_info *reg, char *payload,
227 struct list_head *bulk_list,
228 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
229 int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list);
230
231 typedef void mlxsw_irq_event_cb_t(struct mlxsw_core *mlxsw_core);
232
233 int mlxsw_core_irq_event_handler_register(struct mlxsw_core *mlxsw_core,
234 mlxsw_irq_event_cb_t cb);
235 void mlxsw_core_irq_event_handler_unregister(struct mlxsw_core *mlxsw_core,
236 mlxsw_irq_event_cb_t cb);
237 void mlxsw_core_irq_event_handlers_call(struct mlxsw_core *mlxsw_core);
238
239 int mlxsw_reg_query(struct mlxsw_core *mlxsw_core,
240 const struct mlxsw_reg_info *reg, char *payload);
241 int mlxsw_reg_write(struct mlxsw_core *mlxsw_core,
242 const struct mlxsw_reg_info *reg, char *payload);
243
244 struct mlxsw_rx_info {
245 bool is_lag;
246 union {
247 u16 sys_port;
248 u16 lag_id;
249 } u;
250 u16 lag_port_index;
251 u8 mirror_reason;
252 int trap_id;
253 };
254
255 void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
256 struct mlxsw_rx_info *rx_info);
257
258 void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core,
259 u16 lag_id, u8 port_index, u16 local_port);
260 u16 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core,
261 u16 lag_id, u8 port_index);
262 void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core,
263 u16 lag_id, u16 local_port);
264
265 void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port);
266 int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u16 local_port,
267 u8 slot_index, u32 port_number, bool split,
268 u32 split_port_subnumber,
269 bool splittable, u32 lanes,
270 const unsigned char *switch_id,
271 unsigned char switch_id_len);
272 void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u16 local_port);
273 int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core,
274 void *port_driver_priv,
275 const unsigned char *switch_id,
276 unsigned char switch_id_len);
277 void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core);
278 void mlxsw_core_port_netdev_link(struct mlxsw_core *mlxsw_core, u16 local_port,
279 void *port_driver_priv,
280 struct net_device *dev);
281 struct devlink_port *
282 mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
283 u16 local_port);
284 struct mlxsw_linecard *
285 mlxsw_core_port_linecard_get(struct mlxsw_core *mlxsw_core,
286 u16 local_port);
287 void mlxsw_core_ports_remove_selected(struct mlxsw_core *mlxsw_core,
288 bool (*selector)(void *priv,
289 u16 local_port),
290 void *priv);
291 struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core);
292
293 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
294 bool mlxsw_core_schedule_work(struct work_struct *work);
295 void mlxsw_core_flush_owq(void);
296 int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox,
297 struct mlxsw_res *res);
298
299 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8
300
301 struct mlxsw_swid_config {
302 u8 used_type:1,
303 used_properties:1;
304 u8 type;
305 u8 properties;
306 };
307
308 struct mlxsw_config_profile {
309 u16 used_max_vepa_channels:1,
310 used_max_lag:1,
311 used_max_mid:1,
312 used_max_pgt:1,
313 used_max_system_port:1,
314 used_max_vlan_groups:1,
315 used_max_regions:1,
316 used_flood_tables:1,
317 used_flood_mode:1,
318 used_max_ib_mc:1,
319 used_max_pkey:1,
320 used_ar_sec:1,
321 used_adaptive_routing_group_cap:1,
322 used_ubridge:1,
323 used_kvd_sizes:1,
324 used_cqe_time_stamp_type:1;
325 u8 max_vepa_channels;
326 u16 max_lag;
327 u16 max_mid;
328 u16 max_pgt;
329 u16 max_system_port;
330 u16 max_vlan_groups;
331 u16 max_regions;
332 u8 max_flood_tables;
333 u8 max_vid_flood_tables;
334
335 /* Flood mode to use if used_flood_mode. If flood_mode_prefer_cff,
336 * the backup flood mode (if any) when CFF unsupported.
337 */
338 u8 flood_mode;
339
340 u8 max_fid_offset_flood_tables;
341 u16 fid_offset_flood_table_size;
342 u8 max_fid_flood_tables;
343 u16 fid_flood_table_size;
344 u16 max_ib_mc;
345 u16 max_pkey;
346 u8 ar_sec;
347 u16 adaptive_routing_group_cap;
348 u8 arn;
349 u8 ubridge;
350 u32 kvd_linear_size;
351 u8 kvd_hash_single_parts;
352 u8 kvd_hash_double_parts;
353 u8 cqe_time_stamp_type;
354 bool lag_mode_prefer_sw;
355 bool flood_mode_prefer_cff;
356 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT];
357 };
358
359 struct mlxsw_driver {
360 struct list_head list;
361 const char *kind;
362 size_t priv_size;
363 const struct mlxsw_fw_rev *fw_req_rev;
364 const char *fw_filename;
365 int (*init)(struct mlxsw_core *mlxsw_core,
366 const struct mlxsw_bus_info *mlxsw_bus_info,
367 struct netlink_ext_ack *extack);
368 void (*fini)(struct mlxsw_core *mlxsw_core);
369 int (*port_split)(struct mlxsw_core *mlxsw_core, u16 local_port,
370 unsigned int count, struct netlink_ext_ack *extack);
371 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u16 local_port,
372 struct netlink_ext_ack *extack);
373 void (*ports_remove_selected)(struct mlxsw_core *mlxsw_core,
374 bool (*selector)(void *priv,
375 u16 local_port),
376 void *priv);
377 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core,
378 unsigned int sb_index, u16 pool_index,
379 struct devlink_sb_pool_info *pool_info);
380 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core,
381 unsigned int sb_index, u16 pool_index, u32 size,
382 enum devlink_sb_threshold_type threshold_type,
383 struct netlink_ext_ack *extack);
384 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
385 unsigned int sb_index, u16 pool_index,
386 u32 *p_threshold);
387 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port,
388 unsigned int sb_index, u16 pool_index,
389 u32 threshold, struct netlink_ext_ack *extack);
390 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
391 unsigned int sb_index, u16 tc_index,
392 enum devlink_sb_pool_type pool_type,
393 u16 *p_pool_index, u32 *p_threshold);
394 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port,
395 unsigned int sb_index, u16 tc_index,
396 enum devlink_sb_pool_type pool_type,
397 u16 pool_index, u32 threshold,
398 struct netlink_ext_ack *extack);
399 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core,
400 unsigned int sb_index);
401 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core,
402 unsigned int sb_index);
403 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
404 unsigned int sb_index, u16 pool_index,
405 u32 *p_cur, u32 *p_max);
406 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
407 unsigned int sb_index, u16 tc_index,
408 enum devlink_sb_pool_type pool_type,
409 u32 *p_cur, u32 *p_max);
410 int (*trap_init)(struct mlxsw_core *mlxsw_core,
411 const struct devlink_trap *trap, void *trap_ctx);
412 void (*trap_fini)(struct mlxsw_core *mlxsw_core,
413 const struct devlink_trap *trap, void *trap_ctx);
414 int (*trap_action_set)(struct mlxsw_core *mlxsw_core,
415 const struct devlink_trap *trap,
416 enum devlink_trap_action action,
417 struct netlink_ext_ack *extack);
418 int (*trap_group_init)(struct mlxsw_core *mlxsw_core,
419 const struct devlink_trap_group *group);
420 int (*trap_group_set)(struct mlxsw_core *mlxsw_core,
421 const struct devlink_trap_group *group,
422 const struct devlink_trap_policer *policer,
423 struct netlink_ext_ack *extack);
424 int (*trap_policer_init)(struct mlxsw_core *mlxsw_core,
425 const struct devlink_trap_policer *policer);
426 void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core,
427 const struct devlink_trap_policer *policer);
428 int (*trap_policer_set)(struct mlxsw_core *mlxsw_core,
429 const struct devlink_trap_policer *policer,
430 u64 rate, u64 burst,
431 struct netlink_ext_ack *extack);
432 int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core,
433 const struct devlink_trap_policer *policer,
434 u64 *p_drops);
435 int (*resources_register)(struct mlxsw_core *mlxsw_core);
436 int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core,
437 const struct mlxsw_config_profile *profile,
438 u64 *p_single_size, u64 *p_double_size,
439 u64 *p_linear_size);
440
441 /* Notify a driver that a timestamped packet was transmitted. Driver
442 * is responsible for freeing the passed-in SKB.
443 */
444 void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core,
445 struct sk_buff *skb, u16 local_port);
446
447 const struct mlxsw_config_profile *profile;
448 bool sdq_supports_cqe_v2;
449 };
450
451 int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core,
452 const struct mlxsw_config_profile *profile,
453 u64 *p_single_size, u64 *p_double_size,
454 u64 *p_linear_size);
455
456 u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core);
457 u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core);
458
459 u32 mlxsw_core_read_utc_sec(struct mlxsw_core *mlxsw_core);
460 u32 mlxsw_core_read_utc_nsec(struct mlxsw_core *mlxsw_core);
461
462 bool mlxsw_core_sdq_supports_cqe_v2(struct mlxsw_core *mlxsw_core);
463
464 bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core,
465 enum mlxsw_res_id res_id);
466
467 #define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \
468 mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id)
469
470 u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core,
471 enum mlxsw_res_id res_id);
472
473 #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \
474 mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id)
475
mlxsw_core_net(struct mlxsw_core * mlxsw_core)476 static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core)
477 {
478 return devlink_net(priv_to_devlink(mlxsw_core));
479 }
480
481 #define MLXSW_BUS_F_TXRX BIT(0)
482 #define MLXSW_BUS_F_RESET BIT(1)
483
484 struct mlxsw_bus {
485 const char *kind;
486 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core,
487 const struct mlxsw_config_profile *profile,
488 struct mlxsw_res *res);
489 void (*fini)(void *bus_priv);
490 bool (*skb_transmit_busy)(void *bus_priv,
491 const struct mlxsw_tx_info *tx_info);
492 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb,
493 const struct mlxsw_txhdr_info *txhdr_info);
494 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod,
495 u32 in_mod, bool out_mbox_direct,
496 char *in_mbox, size_t in_mbox_size,
497 char *out_mbox, size_t out_mbox_size,
498 u8 *p_status);
499 u32 (*read_frc_h)(void *bus_priv);
500 u32 (*read_frc_l)(void *bus_priv);
501 u32 (*read_utc_sec)(void *bus_priv);
502 u32 (*read_utc_nsec)(void *bus_priv);
503 enum mlxsw_cmd_mbox_config_profile_lag_mode (*lag_mode)(void *bus_priv);
504 enum mlxsw_cmd_mbox_config_profile_flood_mode (*flood_mode)(void *priv);
505 u8 features;
506 };
507
508 struct mlxsw_fw_rev {
509 u16 major;
510 u16 minor;
511 u16 subminor;
512 u16 can_reset_minor;
513 };
514
515 struct mlxsw_bus_info {
516 const char *device_kind;
517 const char *device_name;
518 struct device *dev;
519 struct mlxsw_fw_rev fw_rev;
520 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN];
521 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN];
522 u8 low_frequency:1,
523 read_clock_capable:1;
524 };
525
526 struct mlxsw_hwmon;
527
528 #ifdef CONFIG_MLXSW_CORE_HWMON
529
530 int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
531 const struct mlxsw_bus_info *mlxsw_bus_info,
532 struct mlxsw_hwmon **p_hwmon);
533 void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon);
534
535 #else
536
mlxsw_hwmon_init(struct mlxsw_core * mlxsw_core,const struct mlxsw_bus_info * mlxsw_bus_info,struct mlxsw_hwmon ** p_hwmon)537 static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
538 const struct mlxsw_bus_info *mlxsw_bus_info,
539 struct mlxsw_hwmon **p_hwmon)
540 {
541 return 0;
542 }
543
mlxsw_hwmon_fini(struct mlxsw_hwmon * mlxsw_hwmon)544 static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon)
545 {
546 }
547
548 #endif
549
550 struct mlxsw_thermal;
551
552 #ifdef CONFIG_MLXSW_CORE_THERMAL
553
554 int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
555 const struct mlxsw_bus_info *mlxsw_bus_info,
556 struct mlxsw_thermal **p_thermal);
557 void mlxsw_thermal_fini(struct mlxsw_thermal *thermal);
558
559 #else
560
mlxsw_thermal_init(struct mlxsw_core * mlxsw_core,const struct mlxsw_bus_info * mlxsw_bus_info,struct mlxsw_thermal ** p_thermal)561 static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
562 const struct mlxsw_bus_info *mlxsw_bus_info,
563 struct mlxsw_thermal **p_thermal)
564 {
565 return 0;
566 }
567
mlxsw_thermal_fini(struct mlxsw_thermal * thermal)568 static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal)
569 {
570 }
571
572 #endif
573
574 enum mlxsw_devlink_param_id {
575 MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
576 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
577 };
578
579 struct mlxsw_cqe_ts {
580 u8 sec;
581 u32 nsec;
582 };
583
584 struct mlxsw_skb_cb {
585 union {
586 struct mlxsw_tx_info tx_info;
587 struct mlxsw_rx_md_info rx_md_info;
588 };
589 struct mlxsw_cqe_ts cqe_ts;
590 };
591
mlxsw_skb_cb(struct sk_buff * skb)592 static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb)
593 {
594 BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb));
595 return (struct mlxsw_skb_cb *) skb->cb;
596 }
597
598 struct mlxsw_linecards;
599
600 enum mlxsw_linecard_status_event_type {
601 MLXSW_LINECARD_STATUS_EVENT_TYPE_PROVISION,
602 MLXSW_LINECARD_STATUS_EVENT_TYPE_UNPROVISION,
603 };
604
605 struct mlxsw_linecard_bdev;
606
607 struct mlxsw_linecard_device_info {
608 u16 fw_major;
609 u16 fw_minor;
610 u16 fw_sub_minor;
611 char psid[MLXSW_REG_MGIR_FW_INFO_PSID_SIZE];
612 };
613
614 struct mlxsw_linecard {
615 u8 slot_index;
616 struct mlxsw_linecards *linecards;
617 struct devlink_linecard *devlink_linecard;
618 struct mutex lock; /* Locks accesses to the linecard structure */
619 char name[MLXSW_REG_MDDQ_SLOT_ASCII_NAME_LEN];
620 char mbct_pl[MLXSW_REG_MBCT_LEN]; /* Too big for stack */
621 enum mlxsw_linecard_status_event_type status_event_type_to;
622 struct delayed_work status_event_to_dw;
623 u8 provisioned:1,
624 ready:1,
625 active:1;
626 u16 hw_revision;
627 u16 ini_version;
628 struct mlxsw_linecard_bdev *bdev;
629 struct {
630 struct mlxsw_linecard_device_info info;
631 u8 index;
632 } device;
633 };
634
635 struct mlxsw_linecard_types_info;
636
637 struct mlxsw_linecards {
638 struct mlxsw_core *mlxsw_core;
639 const struct mlxsw_bus_info *bus_info;
640 u8 count;
641 struct mlxsw_linecard_types_info *types_info;
642 struct list_head event_ops_list;
643 struct mutex event_ops_list_lock; /* Locks accesses to event ops list */
644 struct mlxsw_linecard linecards[] __counted_by(count);
645 };
646
647 static inline struct mlxsw_linecard *
mlxsw_linecard_get(struct mlxsw_linecards * linecards,u8 slot_index)648 mlxsw_linecard_get(struct mlxsw_linecards *linecards, u8 slot_index)
649 {
650 return &linecards->linecards[slot_index - 1];
651 }
652
653 int mlxsw_linecard_devlink_info_get(struct mlxsw_linecard *linecard,
654 struct devlink_info_req *req,
655 struct netlink_ext_ack *extack);
656 int mlxsw_linecard_flash_update(struct devlink *linecard_devlink,
657 struct mlxsw_linecard *linecard,
658 const struct firmware *firmware,
659 struct netlink_ext_ack *extack);
660
661 int mlxsw_linecards_init(struct mlxsw_core *mlxsw_core,
662 const struct mlxsw_bus_info *bus_info);
663 void mlxsw_linecards_fini(struct mlxsw_core *mlxsw_core);
664
665 typedef void mlxsw_linecards_event_op_t(struct mlxsw_core *mlxsw_core,
666 u8 slot_index, void *priv);
667
668 struct mlxsw_linecards_event_ops {
669 mlxsw_linecards_event_op_t *got_active;
670 mlxsw_linecards_event_op_t *got_inactive;
671 };
672
673 int mlxsw_linecards_event_ops_register(struct mlxsw_core *mlxsw_core,
674 struct mlxsw_linecards_event_ops *ops,
675 void *priv);
676 void mlxsw_linecards_event_ops_unregister(struct mlxsw_core *mlxsw_core,
677 struct mlxsw_linecards_event_ops *ops,
678 void *priv);
679
680 int mlxsw_linecard_bdev_add(struct mlxsw_linecard *linecard);
681 void mlxsw_linecard_bdev_del(struct mlxsw_linecard *linecard);
682
683 int mlxsw_linecard_driver_register(void);
684 void mlxsw_linecard_driver_unregister(void);
685
686 #endif
687