xref: /wlan-dirver/qca-wifi-host-cmn/umac/cmn_services/serialization/inc/wlan_serialization_api.h (revision 6e2fed8f5f149f3d59b75fb27d2829d1de560487)
1 /*
2  * Copyright (c) 2017-2019 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for
5  * any purpose with or without fee is hereby granted, provided that the
6  * above copyright notice and this permission notice appear in all
7  * copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 /**
20  * DOC: wlan_serialization_api.h
21  * This file provides prototypes of the routines needed for the
22  * external components to utilize the services provided by the
23  * serialization component.
24  */
25 
26 /* Include files */
27 #ifndef __WLAN_SERIALIZATION_API_H
28 #define __WLAN_SERIALIZATION_API_H
29 
30 #ifdef CONFIG_SERIALIZATION_V1
31 #include "qdf_status.h"
32 #include "wlan_objmgr_cmn.h"
33 
34 /* Preprocessor Definitions and Constants */
35 
36 /*
37  * struct wlan_serialization_queued_cmd_info member queue_type specifies the
38  * below values to cancel the commands in these queues. Setting both the
39  * bits will cancel the commands in both the queues.
40  */
41 #define WLAN_SERIALIZATION_ACTIVE_QUEUE  0x1
42 #define WLAN_SERIALIZATION_PENDING_QUEUE 0x2
43 
44 /**
45  * enum wlan_serialization_cb_reason - reason for calling the callback
46  * @WLAN_SERIALIZATION_REASON_ACTIVATE_CMD: activate the cmd by sending it to FW
47  * @WLAN_SERIALIZATION_REASON_CANCEL_CMD: Cancel the cmd in the pending list
48  * @WLAN_SERIALIZATION_REASON_RELEASE_MEM_CMD:cmd execution complete. Release
49  *                                           the memory allocated while
50  *                                           building the command
51  * @WLAN_SER_CB_ACTIVE_CMD_TIMEOUT: active cmd has been timeout.
52  */
53 enum wlan_serialization_cb_reason {
54 	WLAN_SER_CB_ACTIVATE_CMD,
55 	WLAN_SER_CB_CANCEL_CMD,
56 	WLAN_SER_CB_RELEASE_MEM_CMD,
57 	WLAN_SER_CB_ACTIVE_CMD_TIMEOUT,
58 };
59 
60 /**
61  * struct wlan_serialization_scan_info - Information needed for scan cmd
62  * @is_cac_in_progress: boolean to check the cac status
63  * @is_tdls_in_progress: boolean to check the tdls status
64  *
65  * This information is needed for scan command from other components
66  * to apply the rules and check whether the cmd is allowed or not
67  */
68 struct wlan_serialization_scan_info {
69 	bool is_cac_in_progress;
70 	bool is_tdls_in_progress;
71 };
72 
73 /**
74  * union wlan_serialization_rules_info - union of all rules info structures
75  * @scan_info: information needed to apply rules on scan command
76  */
77 union wlan_serialization_rules_info {
78 	struct wlan_serialization_scan_info scan_info;
79 };
80 
81 /**
82  * wlan_serialization_cmd_callback() - Callback registered by the component
83  * @wlan_cmd: Command passed by the component for serialization
84  * @reason: Reason code for which the callback is being called
85  *
86  * Reason specifies the reason for which the callback is being called. callback
87  * should return success or failure based up on overall success of callback.
88  * if callback returns failure then serialization will remove the command from
89  * active queue and proceed for next pending command.
90  *
91  * Return: QDF_STATUS_SUCCESS or QDF_STATUS_E_FAILURE
92  */
93 typedef QDF_STATUS (*wlan_serialization_cmd_callback) (void *wlan_cmd,
94 				 enum wlan_serialization_cb_reason reason);
95 
96 /**
97  * wlan_serialization_comp_info_cb() - callback to fill the rules information
98  * @vdev: VDEV object for which the command has been received
99  * @comp_info: Information filled by the component
100  *
101  * This callback is registered dynamically by the component with the
102  * serialization component. Serialization component invokes the callback
103  * while applying the rules for a particular command and the component
104  * fills in the required information to apply the rules
105  *
106  * Return: None
107  */
108 typedef void (*wlan_serialization_comp_info_cb)(struct wlan_objmgr_vdev *vdev,
109 		union wlan_serialization_rules_info *comp_info);
110 
111 /**
112  * wlan_serialization_apply_rules_cb() - callback per command to apply rules
113  * @comp_info: information needed to apply the rules
114  *
115  * The rules are applied using this callback and decided whether to
116  * allow or deny the command
117  *
118  * Return: true, if rules are successful and cmd can be queued
119  *         false, if rules failed and cmd should not be queued
120  */
121 typedef bool (*wlan_serialization_apply_rules_cb)(
122 		union wlan_serialization_rules_info *comp_info,
123 		uint8_t comp_id);
124 
125 /**
126  * enum wlan_umac_cmd_id - Command Type
127  * @WLAN_SER_CMD_SCAN:     Scan command
128  */
129 enum wlan_serialization_cmd_type {
130 	/* all scan command before non-scan */
131 	WLAN_SER_CMD_SCAN,
132 	/* all non-scan command below */
133 	WLAN_SER_CMD_NONSCAN,
134 	WLAN_SER_CMD_FORCE_DISASSOC,
135 	WLAN_SER_CMD_HDD_ISSUED,
136 	WLAN_SER_CMD_FORCE_DISASSOC_MIC_FAIL,
137 	WLAN_SER_CMD_HDD_ISSUE_REASSOC_SAME_AP,
138 	WLAN_SER_CMD_SME_ISSUE_REASSOC_SAME_AP,
139 	WLAN_SER_CMD_FORCE_DEAUTH,
140 	WLAN_SER_CMD_SME_ISSUE_DISASSOC_FOR_HANDOFF,
141 	WLAN_SER_CMD_SME_ISSUE_ASSOC_TO_SIMILAR_AP,
142 	WLAN_SER_CMD_FORCE_IBSS_LEAVE,
143 	WLAN_SER_CMD_STOP_BSS,
144 	WLAN_SER_CMD_SME_ISSUE_FT_REASSOC,
145 	WLAN_SER_CMD_FORCE_DISASSOC_STA,
146 	WLAN_SER_CMD_FORCE_DEAUTH_STA,
147 	WLAN_SER_CMD_PERFORM_PRE_AUTH,
148 	WLAN_SER_CMD_WM_STATUS_CHANGE,
149 	WLAN_SER_CMD_NDP_INIT_REQ,
150 	WLAN_SER_CMD_NDP_RESP_REQ,
151 	WLAN_SER_CMD_NDP_DATA_END_INIT_REQ,
152 	WLAN_SER_CMD_ADDTS,
153 	WLAN_SER_CMD_DELTS,
154 	WLAN_SER_CMD_TDLS_SEND_MGMT,
155 	WLAN_SER_CMD_TDLS_ADD_PEER,
156 	WLAN_SER_CMD_TDLS_DEL_PEER,
157 	WLAN_SER_CMD_SET_HW_MODE,
158 	WLAN_SER_CMD_NSS_UPDATE,
159 	WLAN_SER_CMD_SET_DUAL_MAC_CONFIG,
160 	WLAN_SER_CMD_SET_ANTENNA_MODE,
161 	WLAN_SER_CMD_DEL_STA_SESSION,
162 	WLAN_SER_CMD_MAX
163 };
164 
165 /**
166  * enum wlan_serialization_cancel_type - Type of commands to be cancelled
167  * @WLAN_SER_CANCEL_SINGLE_SCAN: Cancel a single scan with a given ID
168  * @WLAN_SER_CANCEL_PDEV_SCANS: Cancel all the scans on a given pdev
169  * @WLAN_SER_CANCEL_VDEV_SCANS: Cancel all the scans on given vdev
170  * @WLAN_SER_CANCEL_NON_SCAN_CMD: Cancel the given non scan command
171  */
172 enum wlan_serialization_cancel_type {
173 	WLAN_SER_CANCEL_SINGLE_SCAN,
174 	WLAN_SER_CANCEL_PDEV_SCANS,
175 	WLAN_SER_CANCEL_VDEV_SCANS,
176 	WLAN_SER_CANCEL_NON_SCAN_CMD,
177 	WLAN_SER_CANCEL_MAX,
178 };
179 
180 /**
181  * enum wlan_serialization_status - Return status of cmd serialization request
182  * @WLAN_SER_CMD_PENDING: Command is put into the pending queue
183  * @WLAN_SER_CMD_ACTIVE: Command is activated and put in active queue
184  * @WLAN_SER_CMD_DENIED_RULES_FAILED: Command denied as the rules fail
185  * @WLAN_SER_CMD_DENIED_LIST_FULL: Command denied as the pending list is full
186  * @WLAN_SER_CMD_DENIED_UNSPECIFIED: Command denied due to unknown reason
187  */
188 enum wlan_serialization_status {
189 	WLAN_SER_CMD_PENDING,
190 	WLAN_SER_CMD_ACTIVE,
191 	WLAN_SER_CMD_DENIED_RULES_FAILED,
192 	WLAN_SER_CMD_DENIED_LIST_FULL,
193 	WLAN_SER_CMD_DENIED_UNSPECIFIED,
194 };
195 
196 /**
197  * enum wlan_serialization_cmd_status - Return status for a cancel request
198  * @WLAN_SER_CMD_IN_PENDING_LIST: Command cancelled from pending list
199  * @WLAN_SER_CMD_IN_ACTIVE_LIST: Command cancelled from active list
200  * @WLAN_SER_CMDS_IN_ALL_LISTS: Command cancelled from all lists
201  * @WLAN_SER_CMD_NOT_FOUND: Specified command to be cancelled
202  *                                    not found in the lists
203  */
204 enum wlan_serialization_cmd_status {
205 	WLAN_SER_CMD_IN_PENDING_LIST,
206 	WLAN_SER_CMD_IN_ACTIVE_LIST,
207 	WLAN_SER_CMDS_IN_ALL_LISTS,
208 	WLAN_SER_CMD_NOT_FOUND,
209 };
210 
211 /**
212  * struct wlan_serialization_command - Command to be serialized
213  * @wlan_serialization_cmd_type: Type of command
214  * @cmd_id: Command Identifier
215  * @cmd_cb: Command callback
216  * @source: component ID of the source of the command
217  * @is_high_priority: Normal/High Priority at which the cmd has to be queued
218  * @cmd_timeout_cb: Command timeout callback
219  * @cmd_timeout_duration: Timeout duration in milliseconds
220  * @vdev: VDEV object associated to the command
221  * @umac_cmd: Actual command that needs to be sent to WMI/firmware
222  *
223  * Note: Unnamed union has been used in this structure, so that in future if
224  * somebody wants to add pdev or psoc structure then that person can add without
225  * modifying existing code.
226  */
227 struct wlan_serialization_command {
228 	enum wlan_serialization_cmd_type cmd_type;
229 	uint32_t cmd_id;
230 	wlan_serialization_cmd_callback cmd_cb;
231 	enum wlan_umac_comp_id source;
232 	bool is_high_priority;
233 	uint16_t cmd_timeout_duration;
234 	union {
235 		struct wlan_objmgr_vdev *vdev;
236 	};
237 	void *umac_cmd;
238 };
239 
240 /**
241  * struct wlan_serialization_queued_cmd_info  - cmd that has to be cancelled
242  * @requestor: component ID of the source requesting this action
243  * @cmd_type: Command type
244  * @cmd_id: Command ID
245  * @req_type: Commands that need to be cancelled
246  * @vdev: VDEV object associated to the command
247  * @queue_type: Queues from which the command to be cancelled
248  */
249 struct wlan_serialization_queued_cmd_info {
250 	enum wlan_umac_comp_id requestor;
251 	enum wlan_serialization_cmd_type cmd_type;
252 	uint32_t cmd_id;
253 	enum wlan_serialization_cancel_type req_type;
254 	union {
255 		struct wlan_objmgr_vdev *vdev;
256 	};
257 	uint8_t queue_type;
258 };
259 
260 /**
261  * wlan_serialization_cancel_request() - Request to cancel a command
262  * @req: Request information
263  *
264  * This API is used by external components to cancel a command
265  * that is either in the pending or active queue. Based on the
266  * req_type, it is decided whether to use pdev or vdev
267  * object. For all non-scan commands, it will be pdev.
268  *
269  * Return: Status specifying the removal of a command from a certain queue
270  */
271 enum wlan_serialization_cmd_status
272 wlan_serialization_cancel_request(
273 		struct wlan_serialization_queued_cmd_info *req);
274 
275 /**
276  * wlan_serialization_remove_cmd() - Request to release a command
277  * @cmd: Command information
278  *
279  * This API is used to release a command sitting in the active
280  * queue upon successful completion of the command
281  *
282  * Return: None
283  */
284 void wlan_serialization_remove_cmd(
285 		struct wlan_serialization_queued_cmd_info *cmd);
286 
287 /**
288  * wlan_serialization_flush_cmd() - Request to flush command
289  * @cmd: Command information
290  *
291  * This API is used to flush a cmd sitting in the queue. It
292  * simply flushes the cmd from the queue and does not call
293  * any callbacks in between. If the request is for active
294  * queue, and if the active queue becomes empty upon flush,
295  * then it will pick the next pending cmd and put in the active
296  * queue before returning.
297  *
298  * Return: None
299  */
300 void wlan_serialization_flush_cmd(
301 		struct wlan_serialization_queued_cmd_info *cmd);
302 /**
303  * wlan_serialization_request() - Request to serialize a command
304  * @cmd: Command information
305  *
306  * Return: Status of the serialization request
307  */
308 enum wlan_serialization_status
309 wlan_serialization_request(struct wlan_serialization_command *cmd);
310 
311 /**
312  * wlan_serialization_register_comp_info_cb() - Register component's info
313  * 						callback
314  * @psoc: PSOC object information
315  * @comp_id: Component ID
316  * @cmd_type: Command Type
317  * @cb: Callback
318  *
319  * This is called from component during its initialization.It initializes
320  * callback handler for given comp_id/cmd_id in a 2-D array.
321  *
322  * Return: QDF Status
323  */
324 QDF_STATUS
325 wlan_serialization_register_comp_info_cb(struct wlan_objmgr_psoc *psoc,
326 		enum wlan_umac_comp_id comp_id,
327 		enum wlan_serialization_cmd_type cmd_type,
328 		wlan_serialization_comp_info_cb cb);
329 
330 /**
331  * wlan_serialization_deregister_comp_info_cb() - Deregister component's info
332  *						callback
333  * @psoc: PSOC object information
334  * @comp_id: Component ID
335  * @cmd_type: Command Type
336  *
337  * This routine is called from other component during its de-initialization.
338  *
339  * Return: QDF Status
340  */
341 QDF_STATUS
342 wlan_serialization_deregister_comp_info_cb(struct wlan_objmgr_psoc *psoc,
343 		enum wlan_umac_comp_id comp_id,
344 		enum wlan_serialization_cmd_type cmd_type);
345 
346 /**
347  * wlan_serialization_register_apply_rules_cb() - Register component's rules
348  *						callback
349  * @psoc: PSOC object information
350  * @cmd_type: Command Type
351  * @cb: Callback
352  *
353  * This is called from component during its initialization.It initializes
354  * callback handler for given cmd_type in a 1-D array.
355  *
356  * Return: QDF Status
357  */
358 QDF_STATUS
359 wlan_serialization_register_apply_rules_cb(struct wlan_objmgr_psoc *psoc,
360 		enum wlan_serialization_cmd_type cmd_type,
361 		wlan_serialization_apply_rules_cb apply_rules_cb);
362 
363 /**
364  * wlan_serialization_deregister_apply_rules_cb() - Deregister component's rules
365  *						callback
366  * @psoc: PSOC object information
367  * @cmd_type: Command Type
368  *
369  * This routine is called from other component during its de-initialization.
370  *
371  * Return: QDF Status
372  */
373 QDF_STATUS
374 wlan_serialization_deregister_apply_rules_cb(struct wlan_objmgr_psoc *psoc,
375 		enum wlan_serialization_cmd_type cmd_type);
376 
377 /**
378  * @wlan_serialization_init() - Serialization component initialization routine
379  *
380  * Return - QDF Status
381  */
382 QDF_STATUS wlan_serialization_init(void);
383 
384 /**
385  * @wlan_serialization_deinit() - Serialization component de-init routine
386  *
387  * Return - QDF Status
388  */
389 QDF_STATUS wlan_serialization_deinit(void);
390 
391 /**
392  * @wlan_serialization_psoc_open() - Serialization component open routine
393  *
394  * Return - QDF Status
395  */
396 QDF_STATUS wlan_serialization_psoc_open(struct wlan_objmgr_psoc *psoc);
397 
398 /**
399  * @wlan_serialization_psoc_close() - Serialization component close routine
400  *
401  * Return - QDF Status
402  */
403 QDF_STATUS wlan_serialization_psoc_close(struct wlan_objmgr_psoc *psoc);
404 
405 /**
406  * wlan_serialization_vdev_scan_status() - Return the status of the vdev scan
407  * @vdev: VDEV Object
408  *
409  * Return: Status of the scans for the corresponding vdev
410  */
411 enum wlan_serialization_cmd_status
412 wlan_serialization_vdev_scan_status(struct wlan_objmgr_vdev *vdev);
413 
414 /**
415  * wlan_serialization_pdev_scan_status() - Return the status of the pdev scan
416  * @pdev: PDEV Object
417  *
418  * Return: Status of the scans for the corresponding pdev
419  */
420 enum wlan_serialization_cmd_status
421 wlan_serialization_pdev_scan_status(struct wlan_objmgr_pdev *pdev);
422 
423 /**
424  * wlan_serialization_non_scan_cmd_status() - Return status of pdev non-scan cmd
425  * @pdev: PDEV Object
426  * @cmd_id: ID of the command for which the status has to be checked
427  *
428  * Return: Status of the command for the corresponding pdev
429  */
430 enum wlan_serialization_cmd_status
431 wlan_serialization_non_scan_cmd_status(struct wlan_objmgr_pdev *pdev,
432 		enum wlan_serialization_cmd_type cmd_id);
433 
434 /**
435  * wlan_serialization_is_cmd_present_in_pending_queue() - Return if the command
436  *				is already present in pending queue
437  * @cmd: pointer to serialization command to check
438  *
439  * This API will check if command is present in pending queue. If present
440  * then return true, so use know that it is duplicated command
441  *
442  * Return: true or false
443  */
444 bool wlan_serialization_is_cmd_present_in_pending_queue(
445 		struct wlan_objmgr_psoc *psoc,
446 		struct wlan_serialization_command *cmd);
447 /**
448  * wlan_serialization_is_cmd_present_in_active_queue() - Return if the command
449  *			is already present in active queue
450  * @cmd: pointer to serialization command to check
451  *
452  * This API will check if command is present in active queue. If present
453  * then return true, so use know that it is duplicated command
454  *
455  * Return: true or false
456  */
457 bool wlan_serialization_is_cmd_present_in_active_queue(
458 		struct wlan_objmgr_psoc *psoc,
459 		struct wlan_serialization_command *cmd);
460 
461 /**
462  * wlan_serialization_get_scan_cmd_using_scan_id() - Return command which
463  *					matches vdev_id and scan_id
464  * @psoc: pointer to soc
465  * @vdev_id: vdev id to pull vdev object
466  * @scan_id: scan id to match
467  * @is_scan_cmd_from_active_queue: to indicate active or pending queue
468  *
469  * This API fetches vdev/pdev object based on vdev_id, loops through scan
470  * command queue and find the command which matches scan id as well as vdev
471  * object.
472  *
473  * Return: pointer to serialization command
474  */
475 struct wlan_serialization_command*
476 wlan_serialization_get_scan_cmd_using_scan_id(
477 		struct wlan_objmgr_psoc *psoc,
478 		uint8_t vdev_id, uint16_t scan_id,
479 		uint8_t is_scan_cmd_from_active_queue);
480 /**
481  * wlan_serialization_get_active_cmd() - Return active umac command which
482  *  matches vdev and cmd type
483  * @psoc: pointer to soc
484  * @vdev_id: vdev id to pull vdev object
485  * @cmd_type: cmd type to match
486  *
487  * This API fetches vdev/pdev object based on vdev_id, loops through active
488  * command queue and find the active command which matches cmd_type as well
489  * as vdev object.
490  *
491  * Return: Pointer to umac command. NULL is returned if active command of given
492  *  type is not found.
493  */
494 void *wlan_serialization_get_active_cmd(struct wlan_objmgr_psoc *psoc,
495 				     uint8_t vdev_id,
496 				     enum wlan_serialization_cmd_type cmd_type);
497 #else /* New serialization code*/
498 #include <qdf_status.h>
499 #include <wlan_objmgr_cmn.h>
500 
501 /* Preprocessor Definitions and Constants */
502 
503 /**
504  * enum ser_queue_reason- reason for changes to serialization queue
505  * @: SER_REQUEST: queue updated for serialization request
506  * @: SER_REMOVE : queue updated for serialization remove request
507  * @: SER_CANCEL : queue updated for serialization cancel request
508  * @: SER_TIMEOUT : queue updated for command timeout
509  * @: SER_ACTIVATION_FAILED : queue updated since command activation failed
510  * @: SER_PENDING_TO_ACTIVE : queue updated for pending to active movement
511  */
512 enum ser_queue_reason {
513 	SER_REQUEST,
514 	SER_REMOVE,
515 	SER_CANCEL,
516 	SER_TIMEOUT,
517 	SER_ACTIVATION_FAILED,
518 	SER_PENDING_TO_ACTIVE,
519 	SER_QUEUE_ACTION_MAX,
520 };
521 
522 /*
523  * struct wlan_serialization_queued_cmd_info member queue_type specifies the
524  * below values to cancel the commands in these queues. Setting both the
525  * bits will cancel the commands in both the queues.
526  */
527 #define WLAN_SERIALIZATION_ACTIVE_QUEUE  0x1
528 #define WLAN_SERIALIZATION_PENDING_QUEUE 0x2
529 
530 /**
531  * enum wlan_serialization_cb_reason - reason for calling the callback
532  * @WLAN_SERIALIZATION_REASON_ACTIVATE_CMD: activate the cmd by sending it to FW
533  * @WLAN_SERIALIZATION_REASON_CANCEL_CMD: Cancel the cmd in the pending list
534  * @WLAN_SERIALIZATION_REASON_RELEASE_MEM_CMD:cmd execution complete. Release
535  *                                           the memory allocated while
536  *                                           building the command
537  * @WLAN_SER_CB_ACTIVE_CMD_TIMEOUT: active cmd has been timeout.
538  */
539 enum wlan_serialization_cb_reason {
540 	WLAN_SER_CB_ACTIVATE_CMD,
541 	WLAN_SER_CB_CANCEL_CMD,
542 	WLAN_SER_CB_RELEASE_MEM_CMD,
543 	WLAN_SER_CB_ACTIVE_CMD_TIMEOUT,
544 };
545 
546 /**
547  * struct wlan_serialization_scan_info - Information needed for scan cmd
548  * @is_cac_in_progress: boolean to check the cac status
549  * @is_tdls_in_progress: boolean to check the tdls status
550  *
551  * This information is needed for scan command from other components
552  * to apply the rules and check whether the cmd is allowed or not
553  */
554 struct wlan_serialization_scan_info {
555 	bool is_cac_in_progress;
556 	bool is_tdls_in_progress;
557 };
558 
559 /**
560  * union wlan_serialization_rules_info - union of all rules info structures
561  * @scan_info: information needed to apply rules on scan command
562  */
563 union wlan_serialization_rules_info {
564 	struct wlan_serialization_scan_info scan_info;
565 };
566 
567 /**
568  * wlan_serialization_cmd_callback() - Callback registered by the component
569  * @wlan_cmd: Command passed by the component for serialization
570  * @reason: Reason code for which the callback is being called
571  *
572  * Reason specifies the reason for which the callback is being called. callback
573  * should return success or failure based up on overall success of callback.
574  * if callback returns failure then serialization will remove the command from
575  * active queue and proceed for next pending command.
576  *
577  * Return: QDF_STATUS_SUCCESS or QDF_STATUS_E_FAILURE
578  */
579 typedef QDF_STATUS (*wlan_serialization_cmd_callback)(void *wlan_cmd,
580 				 enum wlan_serialization_cb_reason reason);
581 
582 /**
583  * wlan_serialization_comp_info_cb() - callback to fill the rules information
584  * @vdev: VDEV object for which the command has been received
585  * @comp_info: Information filled by the component
586  *
587  * This callback is registered dynamically by the component with the
588  * serialization component. Serialization component invokes the callback
589  * while applying the rules for a particular command and the component
590  * fills in the required information to apply the rules
591  *
592  * Return: None
593  */
594 typedef void (*wlan_serialization_comp_info_cb)(struct wlan_objmgr_vdev *vdev,
595 		union wlan_serialization_rules_info *comp_info);
596 
597 /**
598  * wlan_serialization_apply_rules_cb() - callback per command to apply rules
599  * @comp_info: information needed to apply the rules
600  *
601  * The rules are applied using this callback and decided whether to
602  * allow or deny the command
603  *
604  * Return: true, if rules are successful and cmd can be queued
605  *         false, if rules failed and cmd should not be queued
606  */
607 typedef bool (*wlan_serialization_apply_rules_cb)(
608 		union wlan_serialization_rules_info *comp_info,
609 		uint8_t comp_id);
610 
611 /**
612  * enum wlan_umac_cmd_id - Command Type
613  * @WLAN_SER_CMD_SCAN:     Scan command
614  */
615 enum wlan_serialization_cmd_type {
616 	/* all scan command before non-scan */
617 	WLAN_SER_CMD_SCAN,
618 	/* all non-scan command below */
619 	WLAN_SER_CMD_NONSCAN,
620 	WLAN_SER_CMD_HDD_ISSUE_REASSOC_SAME_AP,
621 	WLAN_SER_CMD_SME_ISSUE_REASSOC_SAME_AP,
622 	WLAN_SER_CMD_SME_ISSUE_DISASSOC_FOR_HANDOFF,
623 	WLAN_SER_CMD_SME_ISSUE_ASSOC_TO_SIMILAR_AP,
624 	WLAN_SER_CMD_FORCE_IBSS_LEAVE,
625 	WLAN_SER_CMD_SME_ISSUE_FT_REASSOC,
626 	WLAN_SER_CMD_FORCE_DISASSOC_STA,
627 	WLAN_SER_CMD_FORCE_DEAUTH_STA,
628 	WLAN_SER_CMD_PERFORM_PRE_AUTH,
629 	WLAN_SER_CMD_WM_STATUS_CHANGE,
630 	WLAN_SER_CMD_NDP_INIT_REQ,
631 	WLAN_SER_CMD_NDP_RESP_REQ,
632 	WLAN_SER_CMD_NDP_DATA_END_INIT_REQ,
633 	WLAN_SER_CMD_ADDTS,
634 	WLAN_SER_CMD_DELTS,
635 	WLAN_SER_CMD_TDLS_SEND_MGMT,
636 	WLAN_SER_CMD_TDLS_ADD_PEER,
637 	WLAN_SER_CMD_TDLS_DEL_PEER,
638 	WLAN_SER_CMD_SET_HW_MODE,
639 	WLAN_SER_CMD_NSS_UPDATE,
640 	WLAN_SER_CMD_SET_DUAL_MAC_CONFIG,
641 	WLAN_SER_CMD_SET_ANTENNA_MODE,
642 	WLAN_SER_CMD_DEL_STA_SESSION,
643 	WLAN_SER_CMD_VDEV_START_BSS,
644 	WLAN_SER_CMD_VDEV_STOP_BSS,
645 	WLAN_SER_CMD_VDEV_CONNECT,
646 	WLAN_SER_CMD_VDEV_DISCONNECT,
647 	WLAN_SER_CMD_VDEV_RESTART,
648 	WLAN_SER_CMD_MAX
649 };
650 
651 /**
652  * enum wlan_serialization_cancel_type - Type of commands to be cancelled
653  * @WLAN_SER_CANCEL_SINGLE_SCAN: Cancel a single scan with a given ID
654  * @WLAN_SER_CANCEL_PDEV_SCANS: Cancel all the scans on a given pdev
655  * @WLAN_SER_CANCEL_VDEV_SCANS: Cancel all the scans on given vdev
656  * @WLAN_SER_CANCEL_PDEV_NON_SCAN_CMD: Cancel all non scans on a given pdev
657  * @WLAN_SER_CANCEL_VDEV_NON_SCAN_CMD: Cancel all non scans on a given vdev
658  * @WLAN_SER_CANCEL_VDEV_NON_SCAN_CMD_TYPE: Cancel all non scans on a given vdev
659  * and matching cmd type
660  * @WLAN_SER_CANCEL_NON_SCAN_CMD: Cancel the given non scan command
661  */
662 enum wlan_serialization_cancel_type {
663 	WLAN_SER_CANCEL_SINGLE_SCAN,
664 	WLAN_SER_CANCEL_PDEV_SCANS,
665 	WLAN_SER_CANCEL_VDEV_SCANS,
666 	WLAN_SER_CANCEL_PDEV_NON_SCAN_CMD,
667 	WLAN_SER_CANCEL_VDEV_NON_SCAN_CMD,
668 	WLAN_SER_CANCEL_VDEV_NON_SCAN_CMD_TYPE,
669 	WLAN_SER_CANCEL_NON_SCAN_CMD,
670 	WLAN_SER_CANCEL_MAX,
671 };
672 
673 /**
674  * enum wlan_serialization_status - Return status of cmd serialization request
675  * @WLAN_SER_CMD_PENDING: Command is put into the pending queue
676  * @WLAN_SER_CMD_ACTIVE: Command is activated and put in active queue
677  * @WLAN_SER_CMD_DENIED_RULES_FAILED: Command denied as the rules fail
678  * @WLAN_SER_CMD_DENIED_LIST_FULL: Command denied as the pending list is full
679  * @WLAN_SER_CMD_QUEUE_DISABLED: Command denied as the queue is disabled
680  * @WLAN_SER_CMD_ALREADY_EXISTS: Command already exists in the queue
681  * @WLAN_SER_CMD_DENIED_UNSPECIFIED: Command denied due to unknown reason
682  */
683 enum wlan_serialization_status {
684 	WLAN_SER_CMD_PENDING,
685 	WLAN_SER_CMD_ACTIVE,
686 	WLAN_SER_CMD_DENIED_RULES_FAILED,
687 	WLAN_SER_CMD_DENIED_LIST_FULL,
688 	WLAN_SER_CMD_QUEUE_DISABLED,
689 	WLAN_SER_CMD_ALREADY_EXISTS,
690 	WLAN_SER_CMD_DENIED_UNSPECIFIED,
691 };
692 
693 /**
694  * enum wlan_serialization_cmd_status - Return status for a cancel request
695  * @WLAN_SER_CMD_IN_PENDING_LIST: Command cancelled from pending list
696  * @WLAN_SER_CMD_IN_ACTIVE_LIST: Command cancelled from active list
697  * @WLAN_SER_CMDS_IN_ALL_LISTS: Command cancelled from all lists
698  * @WLAN_SER_CMD_NOT_FOUND: Specified command to be cancelled
699  *                                    not found in the lists
700  */
701 enum wlan_serialization_cmd_status {
702 	WLAN_SER_CMD_IN_PENDING_LIST,
703 	WLAN_SER_CMD_IN_ACTIVE_LIST,
704 	WLAN_SER_CMDS_IN_ALL_LISTS,
705 	WLAN_SER_CMD_MARKED_FOR_ACTIVATION,
706 	WLAN_SER_CMD_NOT_FOUND,
707 };
708 
709 /**
710  * struct wlan_serialization_command - Command to be serialized
711  * @wlan_serialization_cmd_type: Type of command
712  * @cmd_id: Command Identifier
713  * @cmd_cb: Command callback
714  * @source: component ID of the source of the command
715  * @is_high_priority: Normal/High Priority at which the cmd has to be queued
716  * @is_blocking: Is the command blocking
717  * @queue_disable: Should the command disable the queues
718  * @activation_reason: reason the activation cb was called
719  * @cmd_timeout_cb: Command timeout callback
720  * @cmd_timeout_duration: Timeout duration in milliseconds
721  * @vdev: VDEV object associated to the command
722  * @umac_cmd: Actual command that needs to be sent to WMI/firmware
723  *
724  * Note: Unnamed union has been used in this structure, so that in future if
725  * somebody wants to add pdev or psoc structure then that person can add without
726  * modifying existing code.
727  */
728 struct wlan_serialization_command {
729 	enum wlan_serialization_cmd_type cmd_type;
730 	uint32_t cmd_id;
731 	wlan_serialization_cmd_callback cmd_cb;
732 	enum wlan_umac_comp_id source;
733 	uint8_t is_high_priority:1,
734 		is_blocking:1,
735 		queue_disable:1,
736 		activation_reason:3;
737 	uint32_t cmd_timeout_duration;
738 	union {
739 		struct wlan_objmgr_vdev *vdev;
740 	};
741 	void *umac_cmd;
742 };
743 
744 /**
745  * struct wlan_serialization_queued_cmd_info  - cmd that has to be cancelled
746  * @requestor: component ID of the source requesting this action
747  * @cmd_type: Command type
748  * @cmd_id: Command ID
749  * @req_type: Commands that need to be cancelled
750  * @vdev: VDEV object associated to the command
751  * @queue_type: Queues from which the command to be cancelled
752  */
753 struct wlan_serialization_queued_cmd_info {
754 	enum wlan_umac_comp_id requestor;
755 	enum wlan_serialization_cmd_type cmd_type;
756 	uint32_t cmd_id;
757 	enum wlan_serialization_cancel_type req_type;
758 	union {
759 		struct wlan_objmgr_vdev *vdev;
760 	};
761 	uint8_t queue_type;
762 };
763 
764 /**
765  * wlan_serialization_cancel_request() - Request to cancel a command
766  * @req: Request information
767  *
768  * This API is used by external components to cancel a command
769  * that is either in the pending or active queue. Based on the
770  * req_type, it is decided whether to use pdev or vdev
771  * object. For all non-scan commands, it will be pdev.
772  *
773  * Return: Status specifying the removal of a command from a certain queue
774  */
775 enum wlan_serialization_cmd_status
776 wlan_serialization_cancel_request(
777 		struct wlan_serialization_queued_cmd_info *req);
778 
779 /**
780  * wlan_serialization_remove_cmd() - Request to release a command
781  * @cmd: Command information
782  *
783  * This API is used to release a command sitting in the active
784  * queue upon successful completion of the command
785  *
786  * Return: None
787  */
788 void wlan_serialization_remove_cmd(
789 		struct wlan_serialization_queued_cmd_info *cmd);
790 
791 /**
792  * wlan_serialization_flush_cmd() - Request to flush command
793  * @cmd: Command information
794  *
795  * This API is used to flush a cmd sitting in the queue. It
796  * simply flushes the cmd from the queue and does not call
797  * any callbacks in between. If the request is for active
798  * queue, and if the active queue becomes empty upon flush,
799  * then it will pick the next pending cmd and put in the active
800  * queue before returning.
801  *
802  * Return: None
803  */
804 void wlan_serialization_flush_cmd(
805 		struct wlan_serialization_queued_cmd_info *cmd);
806 
807 /**
808  * wlan_serialization_update_timer() -Update timer for an active command
809  * @cmd: Command information
810  *
811  * Return: Status of the timer update
812  */
813 QDF_STATUS
814 wlan_serialization_update_timer(struct wlan_serialization_command *cmd);
815 
816 /**
817  * wlan_serialization_request() - Request to serialize a command
818  * @cmd: Command information
819  *
820  * Return: Status of the serialization request
821  */
822 enum wlan_serialization_status
823 wlan_serialization_request(struct wlan_serialization_command *cmd);
824 
825 /**
826  * wlan_serialization_register_comp_info_cb() - Register component's info cb
827  * @psoc: PSOC object information
828  * @comp_id: Component ID
829  * @cmd_type: Command Type
830  * @cb: Callback
831  *
832  * This is called from component during its initialization.It initializes
833  * callback handler for given comp_id/cmd_id in a 2-D array.
834  *
835  * Return: QDF Status
836  */
837 QDF_STATUS
838 wlan_serialization_register_comp_info_cb(
839 		struct wlan_objmgr_psoc *psoc,
840 		enum wlan_umac_comp_id comp_id,
841 		enum wlan_serialization_cmd_type cmd_type,
842 		wlan_serialization_comp_info_cb cb);
843 
844 /**
845  * wlan_serialization_deregister_comp_info_cb() - Deregister component's info
846  *						callback
847  * @psoc: PSOC object information
848  * @comp_id: Component ID
849  * @cmd_type: Command Type
850  *
851  * This routine is called from other component during its de-initialization.
852  *
853  * Return: QDF Status
854  */
855 QDF_STATUS
856 wlan_serialization_deregister_comp_info_cb(
857 		struct wlan_objmgr_psoc *psoc,
858 		enum wlan_umac_comp_id comp_id,
859 		enum wlan_serialization_cmd_type cmd_type);
860 
861 /**
862  * wlan_serialization_register_apply_rules_cb() - Register component's rules
863  *						callback
864  * @psoc: PSOC object information
865  * @cmd_type: Command Type
866  * @cb: Callback
867  *
868  * This is called from component during its initialization.It initializes
869  * callback handler for given cmd_type in a 1-D array.
870  *
871  * Return: QDF Status
872  */
873 QDF_STATUS
874 wlan_serialization_register_apply_rules_cb(
875 		struct wlan_objmgr_psoc *psoc,
876 		enum wlan_serialization_cmd_type cmd_type,
877 		wlan_serialization_apply_rules_cb apply_rules_cb);
878 
879 /**
880  * wlan_serialization_deregister_apply_rules_cb() - Deregister component's rules
881  *						callback
882  * @psoc: PSOC object information
883  * @cmd_type: Command Type
884  *
885  * This routine is called from other component during its de-initialization.
886  *
887  * Return: QDF Status
888  */
889 QDF_STATUS
890 wlan_serialization_deregister_apply_rules_cb(
891 		struct wlan_objmgr_psoc *psoc,
892 		enum wlan_serialization_cmd_type cmd_type);
893 
894 /**
895  * @wlan_serialization_init() - Serialization component initialization routine
896  *
897  * Return - QDF Status
898  */
899 QDF_STATUS wlan_serialization_init(void);
900 
901 /**
902  * @wlan_serialization_deinit() - Serialization component de-init routine
903  *
904  * Return - QDF Status
905  */
906 QDF_STATUS wlan_serialization_deinit(void);
907 
908 /**
909  * @wlan_serialization_psoc_open() - Serialization component open routine
910  *
911  * Return - QDF Status
912  */
913 QDF_STATUS wlan_serialization_psoc_open(struct wlan_objmgr_psoc *psoc);
914 
915 /**
916  * @wlan_serialization_psoc_close() - Serialization component close routine
917  *
918  * Return - QDF Status
919  */
920 QDF_STATUS wlan_serialization_psoc_close(struct wlan_objmgr_psoc *psoc);
921 
922 /**
923  * wlan_serialization_vdev_scan_status() - Return the status of the vdev scan
924  * @vdev: VDEV Object
925  *
926  * Return: Status of the scans for the corresponding vdev
927  */
928 enum wlan_serialization_cmd_status
929 wlan_serialization_vdev_scan_status(struct wlan_objmgr_vdev *vdev);
930 
931 /**
932  * wlan_serialization_pdev_scan_status() - Return the status of the pdev scan
933  * @pdev: PDEV Object
934  *
935  * Return: Status of the scans for the corresponding pdev
936  */
937 enum wlan_serialization_cmd_status
938 wlan_serialization_pdev_scan_status(struct wlan_objmgr_pdev *pdev);
939 
940 /**
941  * wlan_serialization_non_scan_cmd_status() - Return status of pdev non-scan cmd
942  * @pdev: PDEV Object
943  * @cmd_id: ID of the command for which the status has to be checked
944  *
945  * Return: Status of the command for the corresponding pdev
946  */
947 enum wlan_serialization_cmd_status
948 wlan_serialization_non_scan_cmd_status(struct wlan_objmgr_pdev *pdev,
949 				       enum wlan_serialization_cmd_type cmd_id);
950 
951 /**
952  * wlan_serialization_is_cmd_present_in_pending_queue() - Return if the command
953  *				is already present in pending queue
954  * @cmd: pointer to serialization command to check
955  *
956  * This API will check if command is present in pending queue. If present
957  * then return true, so use know that it is duplicated command
958  *
959  * Return: true or false
960  */
961 bool wlan_serialization_is_cmd_present_in_pending_queue(
962 		struct wlan_objmgr_psoc *psoc,
963 		struct wlan_serialization_command *cmd);
964 /**
965  * wlan_serialization_is_cmd_present_in_active_queue() - Return if the command
966  *			is already present in active queue
967  * @cmd: pointer to serialization command to check
968  *
969  * This API will check if command is present in active queue. If present
970  * then return true, so use know that it is duplicated command
971  *
972  * Return: true or false
973  */
974 bool wlan_serialization_is_cmd_present_in_active_queue(
975 		struct wlan_objmgr_psoc *psoc,
976 		struct wlan_serialization_command *cmd);
977 
978 /**
979  * wlan_serialization_get_scan_cmd_using_scan_id() - Return command which
980  *					matches vdev_id and scan_id
981  * @psoc: pointer to soc
982  * @vdev_id: vdev id to pull vdev object
983  * @scan_id: scan id to match
984  * @is_scan_cmd_from_active_queue: to indicate active or pending queue
985  *
986  * This API fetches vdev/pdev object based on vdev_id, loops through scan
987  * command queue and find the command which matches scan id as well as vdev
988  * object.
989  *
990  * Return: pointer to serialization command
991  */
992 struct wlan_serialization_command*
993 wlan_serialization_get_scan_cmd_using_scan_id(
994 		struct wlan_objmgr_psoc *psoc,
995 		uint8_t vdev_id, uint16_t scan_id,
996 		uint8_t is_scan_cmd_from_active_queue);
997 /**
998  * wlan_serialization_get_active_cmd() - Return active umac command which
999  *  matches vdev and cmd type
1000  * @psoc: pointer to soc
1001  * @vdev_id: vdev id to pull vdev object
1002  * @cmd_type: cmd type to match
1003  *
1004  * This API fetches vdev/pdev object based on vdev_id, loops through active
1005  * command queue and find the active command which matches cmd_type as well
1006  * as vdev object.
1007  *
1008  * Return: Pointer to umac command. NULL is returned if active command of given
1009  *  type is not found.
1010  */
1011 void *wlan_serialization_get_active_cmd(
1012 		struct wlan_objmgr_psoc *psoc,
1013 		uint8_t vdev_id,
1014 		enum wlan_serialization_cmd_type cmd_type);
1015 
1016 /**
1017  * wlan_serialization_get_active_cmd() - Return active umac command which
1018  *  matches vdev and cmd type
1019  * @vdev: vdev object
1020  *
1021  * This API fetches command type of the command in the vdev active queue
1022  *
1023  * Return: command type of the command in the vdev active queue
1024  */
1025 
1026 enum wlan_serialization_cmd_type
1027 wlan_serialization_get_vdev_active_cmd_type(struct wlan_objmgr_vdev *vdev);
1028 #endif
1029 #endif
1030