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