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2024-12-19 9370bb92b2d16684ee45cf24e879c93c509162da 
 kernel/drivers/net/ethernet/mellanox/mlxsw/core.h
....@@ -11,6 +11,7 @@
1111 #include <linux/types.h>
1212 #include <linux/skbuff.h>
1313 #include <linux/workqueue.h>
14
+#include <linux/net_namespace.h>
1415 #include <net/devlink.h>
1516 
1617 #include "trap.h"
....@@ -23,10 +24,19 @@
2324 struct mlxsw_driver;
2425 struct mlxsw_bus;
2526 struct mlxsw_bus_info;
27
+struct mlxsw_fw_rev;
2628 
2729 unsigned int mlxsw_core_max_ports(const struct mlxsw_core *mlxsw_core);
2830 
2931 void *mlxsw_core_driver_priv(struct mlxsw_core *mlxsw_core);
32
+
33
+bool mlxsw_core_res_query_enabled(const struct mlxsw_core *mlxsw_core);
34
+
35
+bool mlxsw_core_temp_warn_enabled(const struct mlxsw_core *mlxsw_core);
36
+
37
+bool
38
+mlxsw_core_fw_rev_minor_subminor_validate(const struct mlxsw_fw_rev *rev,
39
+					  const struct mlxsw_fw_rev *req_rev);
3040 
3141 int mlxsw_core_driver_register(struct mlxsw_driver *mlxsw_driver);
3242 void mlxsw_core_driver_unregister(struct mlxsw_driver *mlxsw_driver);
....@@ -34,7 +44,8 @@
3444 int mlxsw_core_bus_device_register(const struct mlxsw_bus_info *mlxsw_bus_info,
3545 				   const struct mlxsw_bus *mlxsw_bus,
3646 				   void *bus_priv, bool reload,
37
-				   struct devlink *devlink);
47
+				   struct devlink *devlink,
48
+				   struct netlink_ext_ack *extack);
3849 void mlxsw_core_bus_device_unregister(struct mlxsw_core *mlxsw_core, bool reload);
3950 
4051 struct mlxsw_tx_info {
....@@ -46,12 +57,14 @@
4657 				  const struct mlxsw_tx_info *tx_info);
4758 int mlxsw_core_skb_transmit(struct mlxsw_core *mlxsw_core, struct sk_buff *skb,
4859 			    const struct mlxsw_tx_info *tx_info);
60
+void mlxsw_core_ptp_transmitted(struct mlxsw_core *mlxsw_core,
61
+				struct sk_buff *skb, u8 local_port);
4962 
5063 struct mlxsw_rx_listener {
5164 	void (*func)(struct sk_buff *skb, u8 local_port, void *priv);
5265 	u8 local_port;
66
+	u8 mirror_reason;
5367 	u16 trap_id;
54
-	enum mlxsw_reg_hpkt_action action;
5568 };
5669 
5770 struct mlxsw_event_listener {
....@@ -65,58 +78,78 @@
6578 	union {
6679 		struct mlxsw_rx_listener rx_listener;
6780 		struct mlxsw_event_listener event_listener;
68
-	} u;
69
-	enum mlxsw_reg_hpkt_action action;
70
-	enum mlxsw_reg_hpkt_action unreg_action;
71
-	u8 trap_group;
72
-	bool is_ctrl; /* should go via control buffer or not */
73
-	bool is_event;
81
+	};
82
+	enum mlxsw_reg_hpkt_action en_action; /* Action when enabled */
83
+	enum mlxsw_reg_hpkt_action dis_action; /* Action when disabled */
84
+	u8 en_trap_group; /* Trap group when enabled */
85
+	u8 dis_trap_group; /* Trap group when disabled */
86
+	u8 is_ctrl:1, /* should go via control buffer or not */
87
+	   is_event:1,
88
+	   enabled_on_register:1; /* Trap should be enabled when listener
89
+				   * is registered.
90
+				   */
7491 };
7592 
76
-#define MLXSW_RXL(_func, _trap_id, _action, _is_ctrl, _trap_group,	\
77
-		  _unreg_action)					\
78
-	{								\
79
-		.trap_id = MLXSW_TRAP_ID_##_trap_id,			\
80
-		.u.rx_listener =					\
81
-		{							\
82
-			.func = _func,					\
83
-			.local_port = MLXSW_PORT_DONT_CARE,		\
84
-			.trap_id = MLXSW_TRAP_ID_##_trap_id,		\
85
-		},							\
86
-		.action = MLXSW_REG_HPKT_ACTION_##_action,		\
87
-		.unreg_action = MLXSW_REG_HPKT_ACTION_##_unreg_action,	\
88
-		.trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group,	\
89
-		.is_ctrl = _is_ctrl,					\
90
-		.is_event = false,					\
93
+#define __MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group,	\
94
+		    _dis_action, _enabled_on_register, _dis_trap_group,		\
95
+		    _mirror_reason)						\
96
+	{									\
97
+		.trap_id = MLXSW_TRAP_ID_##_trap_id,				\
98
+		.rx_listener =							\
99
+		{								\
100
+			.func = _func,						\
101
+			.local_port = MLXSW_PORT_DONT_CARE,			\
102
+			.mirror_reason = _mirror_reason,			\
103
+			.trap_id = MLXSW_TRAP_ID_##_trap_id,			\
104
+		},								\
105
+		.en_action = MLXSW_REG_HPKT_ACTION_##_en_action,		\
106
+		.dis_action = MLXSW_REG_HPKT_ACTION_##_dis_action,		\
107
+		.en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_en_trap_group,	\
108
+		.dis_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_dis_trap_group,	\
109
+		.is_ctrl = _is_ctrl,						\
110
+		.enabled_on_register = _enabled_on_register,			\
91111 	}
92112 
93
-#define MLXSW_EVENTL(_func, _trap_id, _trap_group)			\
94
-	{								\
95
-		.trap_id = MLXSW_TRAP_ID_##_trap_id,			\
96
-		.u.event_listener =					\
97
-		{							\
98
-			.func = _func,					\
99
-			.trap_id = MLXSW_TRAP_ID_##_trap_id,		\
100
-		},							\
101
-		.action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU,		\
102
-		.trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group,	\
103
-		.is_ctrl = false,					\
104
-		.is_event = true,					\
113
+#define MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group,		\
114
+		  _dis_action)							\
115
+	__MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _trap_group,		\
116
+		    _dis_action, true, _trap_group, 0)
117
+
118
+#define MLXSW_RXL_DIS(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group,	\
119
+		      _dis_action, _dis_trap_group)				\
120
+	__MLXSW_RXL(_func, _trap_id, _en_action, _is_ctrl, _en_trap_group,	\
121
+		    _dis_action, false, _dis_trap_group, 0)
122
+
123
+#define MLXSW_RXL_MIRROR(_func, _session_id, _trap_group, _mirror_reason)	\
124
+	__MLXSW_RXL(_func, MIRROR_SESSION##_session_id,	TRAP_TO_CPU, false,	\
125
+		    _trap_group, TRAP_TO_CPU, true, _trap_group,		\
126
+		    _mirror_reason)
127
+
128
+#define MLXSW_EVENTL(_func, _trap_id, _trap_group)				\
129
+	{									\
130
+		.trap_id = MLXSW_TRAP_ID_##_trap_id,				\
131
+		.event_listener =						\
132
+		{								\
133
+			.func = _func,						\
134
+			.trap_id = MLXSW_TRAP_ID_##_trap_id,			\
135
+		},								\
136
+		.en_action = MLXSW_REG_HPKT_ACTION_TRAP_TO_CPU,			\
137
+		.en_trap_group = MLXSW_REG_HTGT_TRAP_GROUP_##_trap_group,	\
138
+		.is_event = true,						\
139
+		.enabled_on_register = true,					\
105140 	}
106141 
107142 int mlxsw_core_rx_listener_register(struct mlxsw_core *mlxsw_core,
108143 				    const struct mlxsw_rx_listener *rxl,
109
-				    void *priv);
144
+				    void *priv, bool enabled);
110145 void mlxsw_core_rx_listener_unregister(struct mlxsw_core *mlxsw_core,
111
-				       const struct mlxsw_rx_listener *rxl,
112
-				       void *priv);
146
+				       const struct mlxsw_rx_listener *rxl);
113147 
114148 int mlxsw_core_event_listener_register(struct mlxsw_core *mlxsw_core,
115149 				       const struct mlxsw_event_listener *el,
116150 				       void *priv);
117151 void mlxsw_core_event_listener_unregister(struct mlxsw_core *mlxsw_core,
118
-					  const struct mlxsw_event_listener *el,
119
-					  void *priv);
152
+					  const struct mlxsw_event_listener *el);
120153 
121154 int mlxsw_core_trap_register(struct mlxsw_core *mlxsw_core,
122155 			     const struct mlxsw_listener *listener,
....@@ -124,6 +157,9 @@
124157 void mlxsw_core_trap_unregister(struct mlxsw_core *mlxsw_core,
125158 				const struct mlxsw_listener *listener,
126159 				void *priv);
160
+int mlxsw_core_trap_state_set(struct mlxsw_core *mlxsw_core,
161
+			      const struct mlxsw_listener *listener,
162
+			      bool enabled);
127163 
128164 typedef void mlxsw_reg_trans_cb_t(struct mlxsw_core *mlxsw_core, char *payload,
129165 				  size_t payload_len, unsigned long cb_priv);
....@@ -150,6 +186,7 @@
150186 		u16 lag_id;
151187 	} u;
152188 	u8 lag_port_index;
189
+	u8 mirror_reason;
153190 	int trap_id;
154191 };
155192 
....@@ -164,24 +201,37 @@
164201 				  u16 lag_id, u8 local_port);
165202 
166203 void *mlxsw_core_port_driver_priv(struct mlxsw_core_port *mlxsw_core_port);
167
-int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u8 local_port);
204
+int mlxsw_core_port_init(struct mlxsw_core *mlxsw_core, u8 local_port,
205
+			 u32 port_number, bool split, u32 split_port_subnumber,
206
+			 bool splittable, u32 lanes,
207
+			 const unsigned char *switch_id,
208
+			 unsigned char switch_id_len);
168209 void mlxsw_core_port_fini(struct mlxsw_core *mlxsw_core, u8 local_port);
210
+int mlxsw_core_cpu_port_init(struct mlxsw_core *mlxsw_core,
211
+			     void *port_driver_priv,
212
+			     const unsigned char *switch_id,
213
+			     unsigned char switch_id_len);
214
+void mlxsw_core_cpu_port_fini(struct mlxsw_core *mlxsw_core);
169215 void mlxsw_core_port_eth_set(struct mlxsw_core *mlxsw_core, u8 local_port,
170
-			     void *port_driver_priv, struct net_device *dev,
171
-			     u32 port_number, bool split,
172
-			     u32 split_port_subnumber);
216
+			     void *port_driver_priv, struct net_device *dev);
173217 void mlxsw_core_port_ib_set(struct mlxsw_core *mlxsw_core, u8 local_port,
174218 			    void *port_driver_priv);
175219 void mlxsw_core_port_clear(struct mlxsw_core *mlxsw_core, u8 local_port,
176220 			   void *port_driver_priv);
177221 enum devlink_port_type mlxsw_core_port_type_get(struct mlxsw_core *mlxsw_core,
178222 						u8 local_port);
179
-int mlxsw_core_port_get_phys_port_name(struct mlxsw_core *mlxsw_core,
180
-				       u8 local_port, char *name, size_t len);
223
+struct devlink_port *
224
+mlxsw_core_port_devlink_port_get(struct mlxsw_core *mlxsw_core,
225
+				 u8 local_port);
226
+struct mlxsw_env *mlxsw_core_env(const struct mlxsw_core *mlxsw_core);
227
+bool mlxsw_core_is_initialized(const struct mlxsw_core *mlxsw_core);
228
+int mlxsw_core_module_max_width(struct mlxsw_core *mlxsw_core, u8 module);
181229 
182230 int mlxsw_core_schedule_dw(struct delayed_work *dwork, unsigned long delay);
183231 bool mlxsw_core_schedule_work(struct work_struct *work);
184232 void mlxsw_core_flush_owq(void);
233
+int mlxsw_core_resources_query(struct mlxsw_core *mlxsw_core, char *mbox,
234
+			       struct mlxsw_res *res);
185235 
186236 #define MLXSW_CONFIG_PROFILE_SWID_COUNT 8
187237 
....@@ -234,8 +284,11 @@
234284 	struct list_head list;
235285 	const char *kind;
236286 	size_t priv_size;
287
+	const struct mlxsw_fw_rev *fw_req_rev;
288
+	const char *fw_filename;
237289 	int (*init)(struct mlxsw_core *mlxsw_core,
238
-		    const struct mlxsw_bus_info *mlxsw_bus_info);
290
+		    const struct mlxsw_bus_info *mlxsw_bus_info,
291
+		    struct netlink_ext_ack *extack);
239292 	void (*fini)(struct mlxsw_core *mlxsw_core);
240293 	int (*basic_trap_groups_set)(struct mlxsw_core *mlxsw_core);
241294 	int (*port_type_set)(struct mlxsw_core *mlxsw_core, u8 local_port,
....@@ -249,13 +302,14 @@
249302 			   struct devlink_sb_pool_info *pool_info);
250303 	int (*sb_pool_set)(struct mlxsw_core *mlxsw_core,
251304 			   unsigned int sb_index, u16 pool_index, u32 size,
252
-			   enum devlink_sb_threshold_type threshold_type);
305
+			   enum devlink_sb_threshold_type threshold_type,
306
+			   struct netlink_ext_ack *extack);
253307 	int (*sb_port_pool_get)(struct mlxsw_core_port *mlxsw_core_port,
254308 				unsigned int sb_index, u16 pool_index,
255309 				u32 *p_threshold);
256310 	int (*sb_port_pool_set)(struct mlxsw_core_port *mlxsw_core_port,
257311 				unsigned int sb_index, u16 pool_index,
258
-				u32 threshold);
312
+				u32 threshold, struct netlink_ext_ack *extack);
259313 	int (*sb_tc_pool_bind_get)(struct mlxsw_core_port *mlxsw_core_port,
260314 				   unsigned int sb_index, u16 tc_index,
261315 				   enum devlink_sb_pool_type pool_type,
....@@ -263,7 +317,8 @@
263317 	int (*sb_tc_pool_bind_set)(struct mlxsw_core_port *mlxsw_core_port,
264318 				   unsigned int sb_index, u16 tc_index,
265319 				   enum devlink_sb_pool_type pool_type,
266
-				   u16 pool_index, u32 threshold);
320
+				   u16 pool_index, u32 threshold,
321
+				   struct netlink_ext_ack *extack);
267322 	int (*sb_occ_snapshot)(struct mlxsw_core *mlxsw_core,
268323 			       unsigned int sb_index);
269324 	int (*sb_occ_max_clear)(struct mlxsw_core *mlxsw_core,
....@@ -275,6 +330,31 @@
275330 				       unsigned int sb_index, u16 tc_index,
276331 				       enum devlink_sb_pool_type pool_type,
277332 				       u32 *p_cur, u32 *p_max);
333
+	int (*trap_init)(struct mlxsw_core *mlxsw_core,
334
+			 const struct devlink_trap *trap, void *trap_ctx);
335
+	void (*trap_fini)(struct mlxsw_core *mlxsw_core,
336
+			  const struct devlink_trap *trap, void *trap_ctx);
337
+	int (*trap_action_set)(struct mlxsw_core *mlxsw_core,
338
+			       const struct devlink_trap *trap,
339
+			       enum devlink_trap_action action,
340
+			       struct netlink_ext_ack *extack);
341
+	int (*trap_group_init)(struct mlxsw_core *mlxsw_core,
342
+			       const struct devlink_trap_group *group);
343
+	int (*trap_group_set)(struct mlxsw_core *mlxsw_core,
344
+			      const struct devlink_trap_group *group,
345
+			      const struct devlink_trap_policer *policer,
346
+			      struct netlink_ext_ack *extack);
347
+	int (*trap_policer_init)(struct mlxsw_core *mlxsw_core,
348
+				 const struct devlink_trap_policer *policer);
349
+	void (*trap_policer_fini)(struct mlxsw_core *mlxsw_core,
350
+				  const struct devlink_trap_policer *policer);
351
+	int (*trap_policer_set)(struct mlxsw_core *mlxsw_core,
352
+				const struct devlink_trap_policer *policer,
353
+				u64 rate, u64 burst,
354
+				struct netlink_ext_ack *extack);
355
+	int (*trap_policer_counter_get)(struct mlxsw_core *mlxsw_core,
356
+					const struct devlink_trap_policer *policer,
357
+					u64 *p_drops);
278358 	void (*txhdr_construct)(struct sk_buff *skb,
279359 				const struct mlxsw_tx_info *tx_info);
280360 	int (*resources_register)(struct mlxsw_core *mlxsw_core);
....@@ -282,9 +362,20 @@
282362 			     const struct mlxsw_config_profile *profile,
283363 			     u64 *p_single_size, u64 *p_double_size,
284364 			     u64 *p_linear_size);
365
+	int (*params_register)(struct mlxsw_core *mlxsw_core);
366
+	void (*params_unregister)(struct mlxsw_core *mlxsw_core);
367
+
368
+	/* Notify a driver that a timestamped packet was transmitted. Driver
369
+	 * is responsible for freeing the passed-in SKB.
370
+	 */
371
+	void (*ptp_transmitted)(struct mlxsw_core *mlxsw_core,
372
+				struct sk_buff *skb, u8 local_port);
373
+
285374 	u8 txhdr_len;
286375 	const struct mlxsw_config_profile *profile;
287376 	bool res_query_enabled;
377
+	bool fw_fatal_enabled;
378
+	bool temp_warn_enabled;
288379 };
289380 
290381 int mlxsw_core_kvd_sizes_get(struct mlxsw_core *mlxsw_core,
....@@ -292,8 +383,10 @@
292383 			     u64 *p_single_size, u64 *p_double_size,
293384 			     u64 *p_linear_size);
294385 
295
-void mlxsw_core_fw_flash_start(struct mlxsw_core *mlxsw_core);
296
-void mlxsw_core_fw_flash_end(struct mlxsw_core *mlxsw_core);
386
+u32 mlxsw_core_read_frc_h(struct mlxsw_core *mlxsw_core);
387
+u32 mlxsw_core_read_frc_l(struct mlxsw_core *mlxsw_core);
388
+
389
+void mlxsw_core_emad_string_tlv_enable(struct mlxsw_core *mlxsw_core);
297390 
298391 bool mlxsw_core_res_valid(struct mlxsw_core *mlxsw_core,
299392 			  enum mlxsw_res_id res_id);
....@@ -306,6 +399,11 @@
306399 
307400 #define MLXSW_CORE_RES_GET(mlxsw_core, short_res_id)			\
308401 	mlxsw_core_res_get(mlxsw_core, MLXSW_RES_ID_##short_res_id)
402
+
403
+static inline struct net *mlxsw_core_net(struct mlxsw_core *mlxsw_core)
404
+{
405
+	return devlink_net(priv_to_devlink(mlxsw_core));
406
+}
309407 
310408 #define MLXSW_BUS_F_TXRX	BIT(0)
311409 #define MLXSW_BUS_F_RESET	BIT(1)
....@@ -325,6 +423,8 @@
325423 			char *in_mbox, size_t in_mbox_size,
326424 			char *out_mbox, size_t out_mbox_size,
327425 			u8 *p_status);
426
+	u32 (*read_frc_h)(void *bus_priv);
427
+	u32 (*read_frc_l)(void *bus_priv);
328428 	u8 features;
329429 };
330430 
....@@ -342,6 +442,8 @@
342442 	struct mlxsw_fw_rev fw_rev;
343443 	u8 vsd[MLXSW_CMD_BOARDINFO_VSD_LEN];
344444 	u8 psid[MLXSW_CMD_BOARDINFO_PSID_LEN];
445
+	u8 low_frequency:1,
446
+	   read_frc_capable:1;
345447 };
346448 
347449 struct mlxsw_hwmon;
....@@ -392,4 +494,22 @@
392494 
393495 #endif
394496 
497
+enum mlxsw_devlink_param_id {
498
+	MLXSW_DEVLINK_PARAM_ID_BASE = DEVLINK_PARAM_GENERIC_ID_MAX,
499
+	MLXSW_DEVLINK_PARAM_ID_ACL_REGION_REHASH_INTERVAL,
500
+};
501
+
502
+struct mlxsw_skb_cb {
503
+	union {
504
+		struct mlxsw_tx_info tx_info;
505
+		u32 cookie_index; /* Only used during receive */
506
+	};
507
+};
508
+
509
+static inline struct mlxsw_skb_cb *mlxsw_skb_cb(struct sk_buff *skb)
510
+{
511
+	BUILD_BUG_ON(sizeof(mlxsw_skb_cb) > sizeof(skb->cb));
512
+	return (struct mlxsw_skb_cb *) skb->cb;
513
+}
514
+
395515 #endif