xref: /dpdk/drivers/net/dpaa2/mc/fsl_dpdmux.h (revision f48cd6c6)
1 /* SPDX-License-Identifier: (BSD-3-Clause OR GPL-2.0)
2  *
3  * Copyright 2013-2016 Freescale Semiconductor Inc.
4  * Copyright 2018-2021 NXP
5  *
6  */
7 #ifndef __FSL_DPDMUX_H
8 #define __FSL_DPDMUX_H
9 
10 #include <fsl_net.h>
11 
12 struct fsl_mc_io;
13 
14 /** @addtogroup dpdmux Data Path Demux API
15  * Contains API for handling DPDMUX topology and functionality
16  * @{
17  */
18 
19 int dpdmux_open(struct fsl_mc_io *mc_io,
20 		uint32_t  cmd_flags,
21 		int  dpdmux_id,
22 		uint16_t  *token);
23 
24 int dpdmux_close(struct fsl_mc_io *mc_io,
25 		 uint32_t cmd_flags,
26 		 uint16_t token);
27 
28 /**
29  * DPDMUX general options
30  */
31 
32 /**
33  * Enable bridging between internal interfaces
34  */
35 #define DPDMUX_OPT_BRIDGE_EN	0x0000000000000002ULL
36 
37 /**
38  * Mask support for classification
39  */
40 #define DPDMUX_OPT_CLS_MASK_SUPPORT		0x0000000000000020ULL
41 
42 /**
43  * Automatic max frame length - maximum frame length for dpdmux interface will
44  * be changed automatically by connected dpni objects.
45  */
46 #define DPDMUX_OPT_AUTO_MAX_FRAME_LEN	0x0000000000000040ULL
47 
48 #define DPDMUX_IRQ_INDEX_IF	0x0000
49 #define DPDMUX_IRQ_INDEX	0x0001
50 
51 /**
52  * IRQ event - Indicates that the link state changed
53  */
54 #define DPDMUX_IRQ_EVENT_LINK_CHANGED	0x0001
55 
56 /**
57  * enum dpdmux_manip - DPDMUX manipulation operations
58  * @DPDMUX_MANIP_NONE:	No manipulation on frames
59  * @DPDMUX_MANIP_ADD_REMOVE_S_VLAN: Add S-VLAN on egress, remove it on ingress
60  */
61 enum dpdmux_manip {
62 	DPDMUX_MANIP_NONE = 0x0,
63 	DPDMUX_MANIP_ADD_REMOVE_S_VLAN = 0x1
64 };
65 
66 /**
67  * enum dpdmux_method - DPDMUX method options
68  * @DPDMUX_METHOD_NONE: no DPDMUX method
69  * @DPDMUX_METHOD_C_VLAN_MAC: DPDMUX based on C-VLAN and MAC address
70  * @DPDMUX_METHOD_MAC: DPDMUX based on MAC address
71  * @DPDMUX_METHOD_C_VLAN: DPDMUX based on C-VLAN
72  * @DPDMUX_METHOD_S_VLAN: DPDMUX based on S-VLAN
73  */
74 enum dpdmux_method {
75 	DPDMUX_METHOD_NONE = 0x0,
76 	DPDMUX_METHOD_C_VLAN_MAC = 0x1,
77 	DPDMUX_METHOD_MAC = 0x2,
78 	DPDMUX_METHOD_C_VLAN = 0x3,
79 	DPDMUX_METHOD_S_VLAN = 0x4,
80 	DPDMUX_METHOD_CUSTOM = 0x5,
81 };
82 
83 /**
84  * struct dpdmux_cfg - DPDMUX configuration parameters
85  * @method: Defines the operation method for the DPDMUX address table
86  * @manip: Required manipulation operation
87  * @num_ifs: Number of interfaces (excluding the uplink interface)
88  * @default_if: Default interface number (different from uplink,
89 	maximum value num_ifs)
90  * @adv: Advanced parameters; default is all zeros;
91  *	use this structure to change default settings
92  * @adv.options: DPDMUX options - combination of 'DPDMUX_OPT_<X>' flags.
93  * @adv.max_dmat_entries: Maximum entries in DPDMUX address table
94  *	0 - indicates default: 64 entries per interface.
95  * @adv.max_mc_groups: Number of multicast groups in DPDMUX table
96  *	0 - indicates default: 32 multicast groups.
97  * @adv.max_vlan_ids: Maximum vlan ids allowed in the system -
98  *	relevant only case of working in mac+vlan method.
99  *	0 - indicates default 16 vlan ids.
100  * @adv.mem_size: Size of the memory used for internal buffers expressed as
101  * number of 256byte buffers.
102  */
103 struct dpdmux_cfg {
104 	enum dpdmux_method method;
105 	enum dpdmux_manip manip;
106 	uint16_t num_ifs;
107 	uint16_t default_if;
108 	struct {
109 		uint64_t options;
110 		uint16_t max_dmat_entries;
111 		uint16_t max_mc_groups;
112 		uint16_t max_vlan_ids;
113 		uint16_t mem_size;
114 	} adv;
115 };
116 
117 int dpdmux_create(struct fsl_mc_io *mc_io,
118 		  uint16_t dprc_token,
119 		  uint32_t cmd_flags,
120 		  const struct dpdmux_cfg *cfg,
121 		  uint32_t *obj_id);
122 
123 int dpdmux_destroy(struct fsl_mc_io *mc_io,
124 		   uint16_t dprc_token,
125 		   uint32_t cmd_flags,
126 		   uint32_t object_id);
127 
128 int dpdmux_enable(struct fsl_mc_io *mc_io,
129 		  uint32_t cmd_flags,
130 		  uint16_t token);
131 
132 int dpdmux_disable(struct fsl_mc_io *mc_io,
133 		   uint32_t cmd_flags,
134 		   uint16_t token);
135 
136 int dpdmux_is_enabled(struct fsl_mc_io *mc_io,
137 		      uint32_t cmd_flags,
138 		      uint16_t token,
139 		      int *en);
140 
141 int dpdmux_reset(struct fsl_mc_io *mc_io,
142 		 uint32_t cmd_flags,
143 		 uint16_t token);
144 
145 /**
146  *Setting 1 DPDMUX_RESET will not reset default interface
147  */
148 #define DPDMUX_SKIP_DEFAULT_INTERFACE	0x01
149 /**
150  *Setting 1 DPDMUX_RESET will not reset unicast rules
151  */
152 #define DPDMUX_SKIP_UNICAST_RULES	0x02
153 /**
154  *Setting 1 DPDMUX_RESET will not reset multicast rules
155  */
156 #define DPDMUX_SKIP_MULTICAST_RULES	0x04
157 
158 int dpdmux_set_resetable(struct fsl_mc_io *mc_io,
159 				  uint32_t cmd_flags,
160 				  uint16_t token,
161 				  uint8_t skip_reset_flags);
162 
163 int dpdmux_get_resetable(struct fsl_mc_io *mc_io,
164 				  uint32_t cmd_flags,
165 				  uint16_t token,
166 				  uint8_t *skip_reset_flags);
167 
168 /**
169  * struct dpdmux_attr - Structure representing DPDMUX attributes
170  * @id: DPDMUX object ID
171  * @options: Configuration options (bitmap)
172  * @method: DPDMUX address table method
173  * @manip: DPDMUX manipulation type
174  * @num_ifs: Number of interfaces (excluding the uplink interface)
175  * @mem_size: DPDMUX frame storage memory size
176  * @default_if: Default interface number (different from uplink,
177 	maximum value num_ifs)
178  */
179 struct dpdmux_attr {
180 	int id;
181 	uint64_t options;
182 	enum dpdmux_method method;
183 	enum dpdmux_manip manip;
184 	uint16_t num_ifs;
185 	uint16_t mem_size;
186 	uint16_t default_if;
187 	uint16_t max_dmat_entries;
188 	uint16_t max_mc_groups;
189 	uint16_t max_vlan_ids;
190 };
191 
192 int dpdmux_get_attributes(struct fsl_mc_io *mc_io,
193 			  uint32_t cmd_flags,
194 			  uint16_t token,
195 			  struct dpdmux_attr *attr);
196 
197 int dpdmux_set_max_frame_length(struct fsl_mc_io *mc_io,
198 				uint32_t cmd_flags,
199 				uint16_t token,
200 				uint16_t max_frame_length);
201 
202 int dpdmux_get_max_frame_length(struct fsl_mc_io *mc_io,
203 				uint32_t cmd_flags,
204 				uint16_t token,
205 				uint16_t if_id,
206 				uint16_t *max_frame_length);
207 
208 /**
209  * enum dpdmux_counter_type - Counter types
210  * @DPDMUX_CNT_ING_FRAME: Counts ingress frames
211  * @DPDMUX_CNT_ING_BYTE: Counts ingress bytes
212  * @DPDMUX_CNT_ING_FLTR_FRAME: Counts filtered ingress frames
213  * @DPDMUX_CNT_ING_FRAME_DISCARD: Counts discarded ingress frames
214  * @DPDMUX_CNT_ING_MCAST_FRAME: Counts ingress multicast frames
215  * @DPDMUX_CNT_ING_MCAST_BYTE: Counts ingress multicast bytes
216  * @DPDMUX_CNT_ING_BCAST_FRAME: Counts ingress broadcast frames
217  * @DPDMUX_CNT_ING_BCAST_BYTES: Counts ingress broadcast bytes
218  * @DPDMUX_CNT_EGR_FRAME: Counts egress frames
219  * @DPDMUX_CNT_EGR_BYTE: Counts egress bytes
220  * @DPDMUX_CNT_EGR_FRAME_DISCARD: Counts discarded egress frames
221  * @DPDMUX_CNT_ING_NO_BUFFER_DISCARD: Counts ingress no buffer discard frames
222  */
223 enum dpdmux_counter_type {
224 	DPDMUX_CNT_ING_FRAME = 0x0,
225 	DPDMUX_CNT_ING_BYTE = 0x1,
226 	DPDMUX_CNT_ING_FLTR_FRAME = 0x2,
227 	DPDMUX_CNT_ING_FRAME_DISCARD = 0x3,
228 	DPDMUX_CNT_ING_MCAST_FRAME = 0x4,
229 	DPDMUX_CNT_ING_MCAST_BYTE = 0x5,
230 	DPDMUX_CNT_ING_BCAST_FRAME = 0x6,
231 	DPDMUX_CNT_ING_BCAST_BYTES = 0x7,
232 	DPDMUX_CNT_EGR_FRAME = 0x8,
233 	DPDMUX_CNT_EGR_BYTE = 0x9,
234 	DPDMUX_CNT_EGR_FRAME_DISCARD = 0xa,
235 	DPDMUX_CNT_ING_NO_BUFFER_DISCARD = 0xb,
236 };
237 
238 /**
239  * enum dpdmux_accepted_frames_type - DPDMUX frame types
240  * @DPDMUX_ADMIT_ALL: The device accepts VLAN tagged, untagged and
241  *			priority-tagged frames
242  * @DPDMUX_ADMIT_ONLY_VLAN_TAGGED: The device discards untagged frames or
243  *				priority-tagged frames that are received on this
244  *				interface
245  * @DPDMUX_ADMIT_ONLY_UNTAGGED: Untagged frames or priority-tagged frames
246  *				received on this interface are accepted
247  */
248 enum dpdmux_accepted_frames_type {
249 	DPDMUX_ADMIT_ALL = 0,
250 	DPDMUX_ADMIT_ONLY_VLAN_TAGGED = 1,
251 	DPDMUX_ADMIT_ONLY_UNTAGGED = 2
252 };
253 
254 /**
255  * enum dpdmux_action - DPDMUX action for un-accepted frames
256  * @DPDMUX_ACTION_DROP: Drop un-accepted frames
257  * @DPDMUX_ACTION_REDIRECT_TO_CTRL: Redirect un-accepted frames to the
258  *					control interface
259  */
260 enum dpdmux_action {
261 	DPDMUX_ACTION_DROP = 0,
262 	DPDMUX_ACTION_REDIRECT_TO_CTRL = 1
263 };
264 
265 /**
266  * struct dpdmux_accepted_frames - Frame types configuration
267  * @type: Defines ingress accepted frames
268  * @unaccept_act: Defines action on frames not accepted
269  */
270 struct dpdmux_accepted_frames {
271 	enum dpdmux_accepted_frames_type type;
272 	enum dpdmux_action unaccept_act;
273 };
274 
275 int dpdmux_if_set_accepted_frames(struct fsl_mc_io *mc_io,
276 				  uint32_t cmd_flags,
277 				  uint16_t token,
278 				  uint16_t if_id,
279 				  const struct dpdmux_accepted_frames *cfg);
280 
281 /**
282  * struct dpdmux_if_attr - Structure representing frame types configuration
283  * @rate: Configured interface rate (in bits per second)
284  * @enabled: Indicates if interface is enabled
285  * @accept_frame_type: Indicates type of accepted frames for the interface
286  */
287 struct dpdmux_if_attr {
288 	uint32_t rate;
289 	int enabled;
290 	int is_default;
291 	enum dpdmux_accepted_frames_type accept_frame_type;
292 };
293 
294 int dpdmux_if_get_attributes(struct fsl_mc_io *mc_io,
295 			     uint32_t cmd_flags,
296 			     uint16_t token,
297 			     uint16_t if_id,
298 			     struct dpdmux_if_attr *attr);
299 
300 int dpdmux_if_enable(struct fsl_mc_io *mc_io,
301 		     uint32_t cmd_flags,
302 		     uint16_t token,
303 		     uint16_t if_id);
304 
305 int dpdmux_if_disable(struct fsl_mc_io *mc_io,
306 		      uint32_t cmd_flags,
307 		      uint16_t token,
308 		      uint16_t if_id);
309 
310 /**
311  * struct dpdmux_l2_rule - Structure representing L2 rule
312  * @mac_addr: MAC address
313  * @vlan_id: VLAN ID
314  */
315 struct dpdmux_l2_rule {
316 	uint8_t mac_addr[6];
317 	uint16_t vlan_id;
318 };
319 
320 int dpdmux_if_remove_l2_rule(struct fsl_mc_io *mc_io,
321 			     uint32_t cmd_flags,
322 			     uint16_t token,
323 			     uint16_t if_id,
324 			     const struct dpdmux_l2_rule *rule);
325 
326 int dpdmux_if_add_l2_rule(struct fsl_mc_io *mc_io,
327 			  uint32_t cmd_flags,
328 			  uint16_t token,
329 			  uint16_t if_id,
330 			  const struct dpdmux_l2_rule *rule);
331 
332 int dpdmux_if_get_counter(struct fsl_mc_io *mc_io,
333 			  uint32_t cmd_flags,
334 			  uint16_t token,
335 			  uint16_t if_id,
336 			  enum dpdmux_counter_type counter_type,
337 			  uint64_t *counter);
338 
339 int dpdmux_ul_reset_counters(struct fsl_mc_io *mc_io,
340 			     uint32_t cmd_flags,
341 			     uint16_t token);
342 
343 /**
344  * Enable auto-negotiation
345  */
346 #define DPDMUX_LINK_OPT_AUTONEG		0x0000000000000001ULL
347 /**
348  * Enable half-duplex mode
349  */
350 #define DPDMUX_LINK_OPT_HALF_DUPLEX	0x0000000000000002ULL
351 /**
352  * Enable pause frames
353  */
354 #define DPDMUX_LINK_OPT_PAUSE		0x0000000000000004ULL
355 /**
356  * Enable a-symmetric pause frames
357  */
358 #define DPDMUX_LINK_OPT_ASYM_PAUSE	0x0000000000000008ULL
359 
360 /**
361  * struct dpdmux_link_cfg - Structure representing DPDMUX link configuration
362  * @rate: Rate
363  * @options: Mask of available options; use 'DPDMUX_LINK_OPT_<X>' values
364  */
365 struct dpdmux_link_cfg {
366 	uint32_t rate;
367 	uint64_t options;
368 	uint64_t advertising;
369 };
370 
371 int dpdmux_if_set_link_cfg(struct fsl_mc_io *mc_io,
372 			   uint32_t cmd_flags,
373 			   uint16_t token,
374 			   uint16_t if_id,
375 			   struct dpdmux_link_cfg *cfg);
376 /**
377  * struct dpdmux_link_state - Structure representing DPDMUX link state
378  * @rate: Rate
379  * @options: Mask of available options; use 'DPDMUX_LINK_OPT_<X>' values
380  * @up: 0 - down, 1 - up
381  * @state_valid: Ignore/Update the state of the link
382  * @supported: Speeds capability of the phy (bitmap)
383  * @advertising: Speeds that are advertised for autoneg (bitmap)
384  */
385 struct dpdmux_link_state {
386 	uint32_t rate;
387 	uint64_t options;
388 	int      up;
389 	int      state_valid;
390 	uint64_t supported;
391 	uint64_t advertising;
392 };
393 
394 int dpdmux_if_get_link_state(struct fsl_mc_io *mc_io,
395 			     uint32_t cmd_flags,
396 			     uint16_t token,
397 			     uint16_t if_id,
398 			     struct dpdmux_link_state *state);
399 
400 int dpdmux_if_set_default(struct fsl_mc_io *mc_io,
401 		uint32_t cmd_flags,
402 		uint16_t token,
403 		uint16_t if_id);
404 
405 int dpdmux_if_get_default(struct fsl_mc_io *mc_io,
406 		uint32_t cmd_flags,
407 		uint16_t token,
408 		uint16_t *if_id);
409 
410 int dpdmux_set_custom_key(struct fsl_mc_io *mc_io,
411 			uint32_t cmd_flags,
412 			uint16_t token,
413 			uint64_t key_cfg_iova);
414 
415 /**
416  * struct dpdmux_rule_cfg - Custom classification rule.
417  *
418  * @key_iova: DMA address of buffer storing the look-up value
419  * @mask_iova: DMA address of the mask used for TCAM classification. This
420  *  parameter is used only if dpdmux was created using option
421  *  DPDMUX_OPT_CLS_MASK_SUPPORT.
422  * @key_size: size, in bytes, of the look-up value. This must match the size
423  *	of the look-up key defined using dpdmux_set_custom_key, otherwise the
424  *	entry will never be hit
425  * @entry_index: rule index into the table. This parameter is used only when
426  *  dpdmux object was created using option DPDMUX_OPT_CLS_MASK_SUPPORT. In
427  *  this case the rule is masking and the current frame may be a hit for
428  *  multiple rules. This parameter determines the order in which the rules
429  *  will be checked (smaller entry_index first).
430  */
431 struct dpdmux_rule_cfg {
432 	uint64_t key_iova;
433 	uint64_t mask_iova;
434 	uint8_t key_size;
435 	uint16_t entry_index;
436 };
437 
438 /**
439  * struct dpdmux_cls_action - Action to execute for frames matching the
440  *	classification entry
441  *
442  * @dest_if: Interface to forward the frames to. Port numbering is similar to
443  *	the one used to connect interfaces:
444  *	- 0 is the uplink port,
445  *	- all others are downlink ports.
446  */
447 struct dpdmux_cls_action {
448 	uint16_t dest_if;
449 };
450 
451 int dpdmux_add_custom_cls_entry(struct fsl_mc_io *mc_io,
452 		uint32_t cmd_flags,
453 		uint16_t token,
454 		struct dpdmux_rule_cfg *rule,
455 		struct dpdmux_cls_action *action);
456 
457 int dpdmux_remove_custom_cls_entry(struct fsl_mc_io *mc_io,
458 		uint32_t cmd_flags,
459 		uint16_t token,
460 		struct dpdmux_rule_cfg *rule);
461 
462 int dpdmux_get_api_version(struct fsl_mc_io *mc_io,
463 			   uint32_t cmd_flags,
464 			   uint16_t *major_ver,
465 			   uint16_t *minor_ver);
466 
467 /**
468  * Discard bit. This bit must be used together with other bits in
469  * DPDMUX_ERROR_ACTION_CONTINUE to disable discarding of frames containing
470  * errors
471  */
472 #define DPDMUX_ERROR_DISC		0x80000000
473 /**
474  * MACSEC is enabled
475  */
476 #define DPDMUX_ERROR_MS			0x40000000
477 /**
478  * PTP event frame
479  */
480 #define DPDMUX_ERROR_PTP			0x08000000
481 /**
482  * This is a multicast frame
483  */
484 #define DPDMUX_ERROR_MC			0x04000000
485 /**
486  * This is a broadcast frame
487  */
488 #define DPDMUX_ERROR_BC			0x02000000
489 /**
490  * Invalid Key composition or key size error
491  */
492 #define DPDMUX_ERROR_KSE			0x00040000
493 /**
494  * Extract out of frame header
495  */
496 #define DPDMUX_ERROR_EOFHE		0x00020000
497 /**
498  * Maximum number of chained lookups is reached
499  */
500 #define DPDMUX_ERROR_MNLE			0x00010000
501 /**
502  * Invalid table ID
503  */
504 #define DPDMUX_ERROR_TIDE			0x00008000
505 /**
506  * Policer initialization entry error
507  */
508 #define DPDMUX_ERROR_PIEE			0x00004000
509 /**
510  * Frame length error
511  */
512 #define DPDMUX_ERROR_FLE			0x00002000
513 /**
514  * Frame physical error
515  */
516 #define DPDMUX_ERROR_FPE			0x00001000
517 /**
518  * Cycle limit is exceeded and frame parsing is forced to terminate early
519  */
520 #define DPDMUX_ERROR_PTE			0x00000080
521 /**
522  * Invalid softparse instruction is encountered
523  */
524 #define DPDMUX_ERROR_ISP			0x00000040
525 /**
526  * Parsing header error
527  */
528 #define DPDMUX_ERROR_PHE			0x00000020
529 /*
530  * Block limit is exceeded. Maximum data that can be read and parsed is 256
531  * bytes.
532  * Parser will set this bit if it needs more that this limit to parse.
533  */
534 #define DPDMUX_ERROR_BLE			0x00000010
535 /**
536  * L3 checksum validation
537  */
538 #define DPDMUX__ERROR_L3CV			0x00000008
539 /**
540  * L3 checksum error
541  */
542 #define DPDMUX__ERROR_L3CE			0x00000004
543 /**
544  * L4 checksum validation
545  */
546 #define DPDMUX__ERROR_L4CV			0x00000002
547 /**
548  * L4 checksum error
549  */
550 #define DPDMUX__ERROR_L4CE			0x00000001
551 
552 enum dpdmux_error_action {
553 	DPDMUX_ERROR_ACTION_DISCARD = 0,
554 	DPDMUX_ERROR_ACTION_CONTINUE = 1
555 };
556 
557 /**
558  * Configure how dpdmux interface behaves on errors
559  * @errors - or'ed combination of DPDMUX_ERROR_*
560  * @action - set to DPDMUX_ERROR_ACTION_DISCARD or DPDMUX_ERROR_ACTION_CONTINUE
561  */
562 struct dpdmux_error_cfg {
563 	uint32_t errors;
564 	enum dpdmux_error_action error_action;
565 };
566 
567 int dpdmux_if_set_errors_behavior(struct fsl_mc_io *mc_io, uint32_t cmd_flags,
568 		uint16_t token, uint16_t if_id, struct dpdmux_error_cfg *cfg);
569 
570 #endif /* __FSL_DPDMUX_H */
571