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