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

source code of linux/drivers/net/ethernet/mellanox/mlxsw/core.h