1
2
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
22struct mlxsw_core;
23struct mlxsw_core_port;
24struct mlxsw_driver;
25struct mlxsw_bus;
26struct mlxsw_bus_info;
27struct mlxsw_fw_rev;
28
29unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core);
30
31void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core);
32
33bool mlxsw_core_res_query_enabled(const struct mlxsw_core *mlxsw_core);
34
35bool
36mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev,
37 const struct mlxsw_fw_rev *req_rev);
38
39int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver);
40void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver);
41
42int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
43 const struct mlxsw_bus *mlxsw_bus,
44 void *bus_priv, bool reload,
45 struct devlink *devlink,
46 struct netlink_ext_ack *extack);
47void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload);
48
49struct mlxsw_tx_info {
50 u8 local_port;
51 bool is_emad;
52};
53
54bool mlxsw_core_skb_transmit_busy(struct mlxsw_core *mlxsw_core,
55 const struct mlxsw_tx_info *tx_info);
56int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
57 const struct mlxsw_tx_info *tx_info);
58void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core,
59 struct sk_buff *skb, u8 local_port);
60
61struct mlxsw_rx_listener {
62 void (*func)(struct sk_buff *skb, u8 local_port, void *priv);
63 u8 local_port;
64 u16 trap_id;
65};
66
67struct mlxsw_event_listener {
68 void (*func)(const struct mlxsw_reg_info *reg,
69 char *payload, void *priv);
70 enum mlxsw_event_trap_id trap_id;
71};
72
73struct mlxsw_listener {
74 u16 trap_id;
75 union {
76 struct mlxsw_rx_listener rx_listener;
77 struct mlxsw_event_listener event_listener;
78 };
79 enum mlxsw_reg_hpkt_action en_action;
80 enum mlxsw_reg_hpkt_action dis_action;
81 u8 en_trap_group;
82 u8 dis_trap_group;
83 u8 is_ctrl:1,
84 is_event:1,
85 enabled_on_register:1;
86
87
88};
89
90#define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
91 _dis_action, _enabled_on_register, _dis_trap_group) \
92 { \
93 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
94 .rx_listener = \
95 { \
96 .func = _func, \
97 .local_port = MLXSW_PORT_DONT_CARE, \
98 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
99 }, \
100 .en_action = MLXSW_REG_HPKT_ACTION_##_en_action, \
101 .dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action, \
102 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group, \
103 .dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group, \
104 .is_ctrl = _is_ctrl, \
105 .enabled_on_register = _enabled_on_register, \
106 }
107
108#define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \
109 _dis_action) \
110 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group, \
111 _dis_action, true, _trap_group)
112
113#define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
114 _dis_action, _dis_trap_group) \
115 __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group, \
116 _dis_action, false, _dis_trap_group)
117
118#define MLXSW_EVENTL(_func, _trap_id, _trap_group) \
119 { \
120 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
121 .event_listener = \
122 { \
123 .func = _func, \
124 .trap_id = MLXSW_TRAP_ID_##_trap_id, \
125 }, \
126 .en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU, \
127 .en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group, \
128 .is_event = true, \
129 .enabled_on_register = true, \
130 }
131
132int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
133 const struct mlxsw_rx_listener *rxl,
134 void *priv, bool enabled);
135void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
136 const struct mlxsw_rx_listener *rxl);
137
138int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
139 const struct mlxsw_event_listener *el,
140 void *priv);
141void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
142 const struct mlxsw_event_listener *el);
143
144int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core,
145 const struct mlxsw_listener *listener,
146 void *priv);
147void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core,
148 const struct mlxsw_listener *listener,
149 void *priv);
150int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core,
151 const struct mlxsw_listener *listener,
152 bool enabled);
153
154typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload,
155 size_t payload_len, unsigned long cb_priv);
156
157int mlxsw_reg_trans_query(struct mlxsw_core *mlxsw_core,
158 const struct mlxsw_reg_info *reg, char *payload,
159 struct list_head *bulk_list,
160 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
161int mlxsw_reg_trans_write(struct mlxsw_core *mlxsw_core,
162 const struct mlxsw_reg_info *reg, char *payload,
163 struct list_head *bulk_list,
164 mlxsw_reg_trans_cb_t *cb, unsigned long cb_priv);
165int mlxsw_reg_trans_bulk_wait(struct list_head *bulk_list);
166
167int mlxsw_reg_query(struct mlxsw_core *mlxsw_core,
168 const struct mlxsw_reg_info *reg, char *payload);
169int mlxsw_reg_write(struct mlxsw_core *mlxsw_core,
170 const struct mlxsw_reg_info *reg, char *payload);
171
172struct mlxsw_rx_info {
173 bool is_lag;
174 union {
175 u16 sys_port;
176 u16 lag_id;
177 } u;
178 u8 lag_port_index;
179 int trap_id;
180};
181
182void mlxsw_core_skb_receive(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
183 struct mlxsw_rx_info *rx_info);
184
185void mlxsw_core_lag_mapping_set(struct mlxsw_core *mlxsw_core,
186 u16 lag_id, u8 port_index, u8 local_port);
187u8 mlxsw_core_lag_mapping_get(struct mlxsw_core *mlxsw_core,
188 u16 lag_id, u8 port_index);
189void mlxsw_core_lag_mapping_clear(struct mlxsw_core *mlxsw_core,
190 u16 lag_id, u8 local_port);
191
192void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port);
193int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u8 local_port,
194 u32 port_number, bool split,
195 u32 split_port_subnumber,
196 const unsigned char *switch_id,
197 unsigned char switch_id_len);
198void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u8 local_port);
199int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core,
200 void *port_driver_priv,
201 const unsigned char *switch_id,
202 unsigned char switch_id_len);
203void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core);
204void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u8 local_port,
205 void *port_driver_priv, struct net_device *dev);
206void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u8 local_port,
207 void *port_driver_priv);
208void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u8 local_port,
209 void *port_driver_priv);
210enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core,
211 u8 local_port);
212struct devlink_port *
213mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
214 u8 local_port);
215int mlxsw_core_module_max_width(struct mlxsw_core *mlxsw_core, u8 module);
216
217int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
218bool mlxsw_core_schedule_work(struct work_struct *work);
219void mlxsw_core_flush_owq(void);
220int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox,
221 struct mlxsw_res *res);
222
223#define MLXSW_CONFIG_PROFILE_SWID_COUNT 8
224
225struct mlxsw_swid_config {
226 u8 used_type:1,
227 used_properties:1;
228 u8 type;
229 u8 properties;
230};
231
232struct mlxsw_config_profile {
233 u16 used_max_vepa_channels:1,
234 used_max_mid:1,
235 used_max_pgt:1,
236 used_max_system_port:1,
237 used_max_vlan_groups:1,
238 used_max_regions:1,
239 used_flood_tables:1,
240 used_flood_mode:1,
241 used_max_ib_mc:1,
242 used_max_pkey:1,
243 used_ar_sec:1,
244 used_adaptive_routing_group_cap:1,
245 used_kvd_sizes:1;
246 u8 max_vepa_channels;
247 u16 max_mid;
248 u16 max_pgt;
249 u16 max_system_port;
250 u16 max_vlan_groups;
251 u16 max_regions;
252 u8 max_flood_tables;
253 u8 max_vid_flood_tables;
254 u8 flood_mode;
255 u8 max_fid_offset_flood_tables;
256 u16 fid_offset_flood_table_size;
257 u8 max_fid_flood_tables;
258 u16 fid_flood_table_size;
259 u16 max_ib_mc;
260 u16 max_pkey;
261 u8 ar_sec;
262 u16 adaptive_routing_group_cap;
263 u8 arn;
264 u32 kvd_linear_size;
265 u8 kvd_hash_single_parts;
266 u8 kvd_hash_double_parts;
267 struct mlxsw_swid_config swid_config[MLXSW_CONFIG_PROFILE_SWID_COUNT];
268};
269
270struct mlxsw_driver {
271 struct list_head list;
272 const char *kind;
273 size_t priv_size;
274 int (*init)(struct mlxsw_core *mlxsw_core,
275 const struct mlxsw_bus_info *mlxsw_bus_info,
276 struct netlink_ext_ack *extack);
277 void (*fini)(struct mlxsw_core *mlxsw_core);
278 int (*basic_trap_groups_set)(struct mlxsw_core *mlxsw_core);
279 int (*port_type_set)(struct mlxsw_core *mlxsw_core, u8 local_port,
280 enum devlink_port_type new_type);
281 int (*port_split)(struct mlxsw_core *mlxsw_core, u8 local_port,
282 unsigned int count, struct netlink_ext_ack *extack);
283 int (*port_unsplit)(struct mlxsw_core *mlxsw_core, u8 local_port,
284 struct netlink_ext_ack *extack);
285 int (*sb_pool_get)(struct mlxsw_core *mlxsw_core,
286 unsigned int sb_index, u16 pool_index,
287 struct devlink_sb_pool_info *pool_info);
288 int (*sb_pool_set)(struct mlxsw_core *mlxsw_core,
289 unsigned int sb_index, u16 pool_index, u32 size,
290 enum devlink_sb_threshold_type threshold_type,
291 struct netlink_ext_ack *extack);
292 int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
293 unsigned int sb_index, u16 pool_index,
294 u32 *p_threshold);
295 int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port,
296 unsigned int sb_index, u16 pool_index,
297 u32 threshold, struct netlink_ext_ack *extack);
298 int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
299 unsigned int sb_index, u16 tc_index,
300 enum devlink_sb_pool_type pool_type,
301 u16 *p_pool_index, u32 *p_threshold);
302 int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port,
303 unsigned int sb_index, u16 tc_index,
304 enum devlink_sb_pool_type pool_type,
305 u16 pool_index, u32 threshold,
306 struct netlink_ext_ack *extack);
307 int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core,
308 unsigned int sb_index);
309 int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core,
310 unsigned int sb_index);
311 int (*sb_occ_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
312 unsigned int sb_index, u16 pool_index,
313 u32 *p_cur, u32 *p_max);
314 int (*sb_occ_tc_port_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
315 unsigned int sb_index, u16 tc_index,
316 enum devlink_sb_pool_type pool_type,
317 u32 *p_cur, u32 *p_max);
318 int (*flash_update)(struct mlxsw_core *mlxsw_core,
319 const char *file_name, const char *component,
320 struct netlink_ext_ack *extack);
321 int (*trap_init)(struct mlxsw_core *mlxsw_core,
322 const struct devlink_trap *trap, void *trap_ctx);
323 void (*trap_fini)(struct mlxsw_core *mlxsw_core,
324 const struct devlink_trap *trap, void *trap_ctx);
325 int (*trap_action_set)(struct mlxsw_core *mlxsw_core,
326 const struct devlink_trap *trap,
327 enum devlink_trap_action action);
328 int (*trap_group_init)(struct mlxsw_core *mlxsw_core,
329 const struct devlink_trap_group *group);
330 int (*trap_group_set)(struct mlxsw_core *mlxsw_core,
331 const struct devlink_trap_group *group,
332 const struct devlink_trap_policer *policer);
333 int (*trap_policer_init)(struct mlxsw_core *mlxsw_core,
334 const struct devlink_trap_policer *policer);
335 void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core,
336 const struct devlink_trap_policer *policer);
337 int (*trap_policer_set)(struct mlxsw_core *mlxsw_core,
338 const struct devlink_trap_policer *policer,
339 u64 rate, u64 burst,
340 struct netlink_ext_ack *extack);
341 int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core,
342 const struct devlink_trap_policer *policer,
343 u64 *p_drops);
344 void (*txhdr_construct)(struct sk_buff *skb,
345 const struct mlxsw_tx_info *tx_info);
346 int (*resources_register)(struct mlxsw_core *mlxsw_core);
347 int (*kvd_sizes_get)(struct mlxsw_core *mlxsw_core,
348 const struct mlxsw_config_profile *profile,
349 u64 *p_single_size, u64 *p_double_size,
350 u64 *p_linear_size);
351 int (*params_register)(struct mlxsw_core *mlxsw_core);
352 void (*params_unregister)(struct mlxsw_core *mlxsw_core);
353
354
355
356
357 void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core,
358 struct sk_buff *skb, u8 local_port);
359
360 u8 txhdr_len;
361 const struct mlxsw_config_profile *profile;
362 bool res_query_enabled;
363};
364
365int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core,
366 const struct mlxsw_config_profile *profile,
367 u64 *p_single_size, u64 *p_double_size,
368 u64 *p_linear_size);
369
370void mlxsw_core_fw_flash_start(struct mlxsw_core *mlxsw_core);
371void mlxsw_core_fw_flash_end(struct mlxsw_core *mlxsw_core);
372
373u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core);
374u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core);
375
376void mlxsw_core_emad_string_tlv_enable(struct mlxsw_core *mlxsw_core);
377
378bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core,
379 enum mlxsw_res_id res_id);
380
381#define MLXSW_CORE_RES_VALID(mlxsw_core, short_res_id) \
382 mlxsw_core_res_valid(mlxsw_core, MLXSW_RES_ID_##short_res_id)
383
384u64 mlxsw_core_res_get(struct mlxsw_core *mlxsw_core,
385 enum mlxsw_res_id res_id);
386
387#define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id) \
388 mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id)
389
390static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core)
391{
392 return devlink_net(priv_to_devlink(mlxsw_core));
393}
394
395#define MLXSW_BUS_F_TXRX BIT(0)
396#define MLXSW_BUS_F_RESET BIT(1)
397
398struct mlxsw_bus {
399 const char *kind;
400 int (*init)(void *bus_priv, struct mlxsw_core *mlxsw_core,
401 const struct mlxsw_config_profile *profile,
402 struct mlxsw_res *res);
403 void (*fini)(void *bus_priv);
404 bool (*skb_transmit_busy)(void *bus_priv,
405 const struct mlxsw_tx_info *tx_info);
406 int (*skb_transmit)(void *bus_priv, struct sk_buff *skb,
407 const struct mlxsw_tx_info *tx_info);
408 int (*cmd_exec)(void *bus_priv, u16 opcode, u8 opcode_mod,
409 u32 in_mod, bool out_mbox_direct,
410 char *in_mbox, size_t in_mbox_size,
411 char *out_mbox, size_t out_mbox_size,
412 u8 *p_status);
413 u32 (*read_frc_h)(void *bus_priv);
414 u32 (*read_frc_l)(void *bus_priv);
415 u8 features;
416};
417
418struct mlxsw_fw_rev {
419 u16 major;
420 u16 minor;
421 u16 subminor;
422 u16 can_reset_minor;
423};
424
425struct mlxsw_bus_info {
426 const char *device_kind;
427 const char *device_name;
428 struct device *dev;
429 struct mlxsw_fw_rev fw_rev;
430 u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN];
431 u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN];
432 u8 low_frequency:1,
433 read_frc_capable:1;
434};
435
436struct mlxsw_hwmon;
437
438#ifdef CONFIG_MLXSW_CORE_HWMON
439
440int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
441 const struct mlxsw_bus_info *mlxsw_bus_info,
442 struct mlxsw_hwmon **p_hwmon);
443void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon);
444
445#else
446
447static inline int mlxsw_hwmon_init(struct mlxsw_core *mlxsw_core,
448 const struct mlxsw_bus_info *mlxsw_bus_info,
449 struct mlxsw_hwmon **p_hwmon)
450{
451 return 0;
452}
453
454static inline void mlxsw_hwmon_fini(struct mlxsw_hwmon *mlxsw_hwmon)
455{
456}
457
458#endif
459
460struct mlxsw_thermal;
461
462#ifdef CONFIG_MLXSW_CORE_THERMAL
463
464int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
465 const struct mlxsw_bus_info *mlxsw_bus_info,
466 struct mlxsw_thermal **p_thermal);
467void mlxsw_thermal_fini(struct mlxsw_thermal *thermal);
468
469#else
470
471static inline int mlxsw_thermal_init(struct mlxsw_core *mlxsw_core,
472 const struct mlxsw_bus_info *mlxsw_bus_info,
473 struct mlxsw_thermal **p_thermal)
474{
475 return 0;
476}
477
478static inline void mlxsw_thermal_fini(struct mlxsw_thermal *thermal)
479{
480}
481
482#endif
483
484enum mlxsw_devlink_param_id {
485 MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
486 MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
487};
488
489struct mlxsw_skb_cb {
490 union {
491 struct mlxsw_tx_info tx_info;
492 u32 cookie_index;
493 };
494};
495
496static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb)
497{
498 BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb));
499 return (struct mlxsw_skb_cb *) skb->cb;
500}
501
502#endif
503
