xref: /wlan-dirver/qca-wifi-host-cmn/qdf/inc/qdf_trace.h (revision dd4dc88b837a295134aa9869114a2efee0f4894b)
1 /*
2  * Copyright (c) 2014-2019 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 #if !defined(__QDF_TRACE_H)
20 #define __QDF_TRACE_H
21 
22 /**
23  *  DOC: qdf_trace
24  *  QCA driver framework trace APIs
25  *  Trace, logging, and debugging definitions and APIs
26  */
27 
28 /* Include Files */
29 #include  <qdf_types.h>         /* For QDF_MODULE_ID... */
30 #include  <stdarg.h>            /* For va_list... */
31 #include  <qdf_status.h>
32 #include  <qdf_nbuf.h>
33 #include  <i_qdf_types.h>
34 #include <qdf_debugfs.h>
35 
36 
37 /* Type declarations */
38 
39 #define FL(x)    "%s: %d: " x, __func__, __LINE__
40 
41 #define QDF_TRACE_BUFFER_SIZE (512)
42 
43 /*
44  * Extracts the 8-bit group id from the wmi command id by performing the
45  * reverse operation of WMI_CMD_GRP_START_ID
46  */
47 #define QDF_WMI_MTRACE_GRP_ID(message_id) (((message_id) >> 12) & 0xFF)
48 /*
49  * Number of bits reserved for WMI mtrace command id
50  */
51  #define QDF_WMI_MTRACE_CMD_NUM_BITS 7
52 /*
53  * Extracts the 7-bit group specific command id from the wmi command id
54  */
55 #define QDF_WMI_MTRACE_CMD_ID(message_id) ((message_id) & 0x7F)
56 
57 #ifdef CONFIG_MCL
58 #define QDF_DEFAULT_TRACE_LEVEL \
59 	((1 << QDF_TRACE_LEVEL_FATAL) | (1 << QDF_TRACE_LEVEL_ERROR))
60 #else
61 #define QDF_DEFAULT_TRACE_LEVEL (1 << QDF_TRACE_LEVEL_INFO)
62 #endif
63 
64 #define QDF_CATEGORY_INFO_U16(val) (((val >> 16) & 0x0000FFFF))
65 #define QDF_TRACE_LEVEL_INFO_L16(val) (val & 0x0000FFFF)
66 
67 typedef int (qdf_abstract_print)(void *priv, const char *fmt, ...);
68 
69 /*
70  * Log levels
71  */
72 #define QDF_DEBUG_FUNCTRACE     0x01
73 #define QDF_DEBUG_LEVEL0        0x02
74 #define QDF_DEBUG_LEVEL1        0x04
75 #define QDF_DEBUG_LEVEL2        0x08
76 #define QDF_DEBUG_LEVEL3        0x10
77 #define QDF_DEBUG_ERROR         0x20
78 #define QDF_DEBUG_CFG           0x40
79 
80 
81 /* DP Trace Implementation */
82 #ifdef CONFIG_DP_TRACE
83 #define DPTRACE(p) p
84 #define DPTRACE_PRINT(args...) \
85 	QDF_TRACE(QDF_MODULE_ID_QDF, QDF_TRACE_LEVEL_DEBUG, args)
86 #else
87 #define DPTRACE(p)
88 #define DPTRACE_PRINT(args...)
89 #endif
90 
91 /* By default Data Path module will have all log levels enabled, except debug
92  * log level. Debug level will be left up to the framework or user space modules
93  * to be enabled when issue is detected
94  */
95 #define QDF_DATA_PATH_TRACE_LEVEL \
96 	((1 << QDF_TRACE_LEVEL_FATAL) | (1 << QDF_TRACE_LEVEL_ERROR) | \
97 	(1 << QDF_TRACE_LEVEL_WARN) | (1 << QDF_TRACE_LEVEL_INFO) | \
98 	(1 << QDF_TRACE_LEVEL_INFO_HIGH) | (1 << QDF_TRACE_LEVEL_INFO_MED) | \
99 	(1 << QDF_TRACE_LEVEL_INFO_LOW))
100 
101 /* Preprocessor definitions and constants */
102 #define ASSERT_BUFFER_SIZE (512)
103 
104 #ifndef MAX_QDF_TRACE_RECORDS
105 #define MAX_QDF_TRACE_RECORDS 4000
106 #endif
107 
108 #define QDF_TRACE_DEFAULT_PDEV_ID 0xff
109 #define INVALID_QDF_TRACE_ADDR 0xffffffff
110 #define DEFAULT_QDF_TRACE_DUMP_COUNT 0
111 
112 /*
113  * first parameter to iwpriv command - dump_dp_trace
114  * iwpriv wlan0 dump_dp_trace 0 0 -> dump full buffer
115  * iwpriv wlan0 dump_dp_trace 1 0 -> enable live view mode
116  * iwpriv wlan0 dump_dp_trace 2 0 -> clear dp trace buffer
117  * iwpriv wlan0 dump_dp_trace 3 0 -> disable live view mode
118  */
119 #define DUMP_DP_TRACE			0
120 #define ENABLE_DP_TRACE_LIVE_MODE	1
121 #define CLEAR_DP_TRACE_BUFFER		2
122 #define DISABLE_DP_TRACE_LIVE_MODE	3
123 
124 
125 #ifdef TRACE_RECORD
126 
127 #define MTRACE(p) p
128 
129 #else
130 #define MTRACE(p) do { } while (0)
131 
132 #endif
133 #define NO_SESSION 0xFF
134 
135 /**
136  * typedef struct qdf_trace_record_s - keep trace record
137  * @qtime: qtimer ticks
138  * @time: user timestamp
139  * @module: module name
140  * @code: hold record of code
141  * @session: hold record of session
142  * @data: hold data
143  * @pid: hold pid of the process
144  */
145 typedef struct qdf_trace_record_s {
146 	uint64_t qtime;
147 	char time[18];
148 	uint8_t module;
149 	uint8_t code;
150 	uint16_t session;
151 	uint32_t data;
152 	uint32_t pid;
153 } qdf_trace_record_t, *tp_qdf_trace_record;
154 
155 /**
156  * typedef struct s_qdf_trace_data - MTRACE logs are stored in ring buffer
157  * @head: position of first record
158  * @tail: position of last record
159  * @num: count of total record
160  * @num_since_last_dump: count from last dump
161  * @enable: config for controlling the trace
162  * @dump_count: Dump after number of records reach this number
163  */
164 typedef struct s_qdf_trace_data {
165 	uint32_t head;
166 	uint32_t tail;
167 	uint32_t num;
168 	uint16_t num_since_last_dump;
169 	uint8_t enable;
170 	uint16_t dump_count;
171 } t_qdf_trace_data;
172 
173 #define CASE_RETURN_STRING(str) case ((str)): return (uint8_t *)(# str);
174 
175 #ifndef MAX_QDF_DP_TRACE_RECORDS
176 #define MAX_QDF_DP_TRACE_RECORDS       2000
177 #endif
178 
179 #define QDF_DP_TRACE_RECORD_SIZE       40
180 #define INVALID_QDF_DP_TRACE_ADDR      0xffffffff
181 #define QDF_DP_TRACE_VERBOSITY_HIGH		4
182 #define QDF_DP_TRACE_VERBOSITY_MEDIUM		3
183 #define QDF_DP_TRACE_VERBOSITY_LOW		2
184 #define QDF_DP_TRACE_VERBOSITY_ULTRA_LOW	1
185 #define QDF_DP_TRACE_VERBOSITY_BASE		0
186 
187 /**
188  * enum QDF_DP_TRACE_ID - Generic ID to identify various events in data path
189  * @QDF_DP_TRACE_INVALID - invalid
190  * @QDF_DP_TRACE_DROP_PACKET_RECORD - record drop packet
191  * @QDF_DP_TRACE_EAPOL_PACKET_RECORD - record EAPOL packet
192  * @QDF_DP_TRACE_DHCP_PACKET_RECORD - record DHCP packet
193  * @QDF_DP_TRACE_ARP_PACKET_RECORD - record ARP packet
194  * @QDF_DP_TRACE_MGMT_PACKET_RECORD - record MGMT pacekt
195  * @QDF_DP_TRACE_EVENT_RECORD - record events
196  * @QDF_DP_TRACE_BASE_VERBOSITY - below this are part of base verbosity
197  * @QDF_DP_TRACE_ICMP_PACKET_RECORD - record ICMP packet
198  * @QDF_DP_TRACE_ICMPv6_PACKET_RECORD - record ICMPv6 packet
199  * @QDF_DP_TRACE_HDD_TX_TIMEOUT - HDD tx timeout
200  * @QDF_DP_TRACE_HDD_SOFTAP_TX_TIMEOUT- SOFTAP HDD tx timeout
201  * @QDF_DP_TRACE_ULTRA_LOW_VERBOSITY - Below this is not logged for >4PPS
202  * @QDF_DP_TRACE_TX_PACKET_RECORD - record 32 bytes of tx pkt at any layer
203  * @QDF_DP_TRACE_RX_PACKET_RECORD - record 32 bytes of rx pkt at any layer
204  * @QDF_DP_TRACE_HDD_TX_PACKET_RECORD - record 32 bytes of tx pkt at HDD
205  * @QDF_DP_TRACE_HDD_RX_PACKET_RECORD - record 32 bytes of rx pkt at HDD
206  * @QDF_DP_TRACE_LI_DP_TX_PACKET_RECORD - record data bytes of tx pkt at LI_DP
207  * @QDF_DP_TRACE_LI_DP_RX_PACKET_RECORD - record data bytes of rx pkt at LI_DP
208  * @QDF_DP_TRACE_LI_DP_FREE_PACKET_PTR_RECORD - tx completion ptr record for
209  *						lithium
210  * @QDF_DP_TRACE_FREE_PACKET_PTR_RECORD - tx completion ptr record
211  * @QDF_DP_TRACE_LOW_VERBOSITY - below this are part of low verbosity
212  * @QDF_DP_TRACE_HDD_TX_PACKET_PTR_RECORD - HDD layer ptr record
213  * @QDF_DP_TRACE_LI_DP_TX_PACKET_PTR_RECORD - Lithium DP layer ptr record
214  * @QDF_DP_TRACE_RX_HDD_PACKET_PTR_RECORD - HDD RX record
215  * @QDF_DP_TRACE_CE_PACKET_PTR_RECORD - CE layer ptr record
216  * @QDF_DP_TRACE_CE_FAST_PACKET_PTR_RECORD- CE fastpath ptr record
217  * @QDF_DP_TRACE_CE_FAST_PACKET_ERR_RECORD- CE fastpath error record
218  * @QDF_DP_TRACE_RX_HTT_PACKET_PTR_RECORD - HTT RX record
219  * @QDF_DP_TRACE_RX_OFFLOAD_HTT_PACKET_PTR_RECORD- HTT RX offload record
220  * @QDF_DP_TRACE_RX_LI_DP_PACKET_PTR_RECORD - Lithium DP RX record
221  * @QDF_DP_TRACE_MED_VERBOSITY - below this are part of med verbosity
222  * @QDF_DP_TRACE_TXRX_QUEUE_PACKET_PTR_RECORD -tx queue ptr record
223  * @QDF_DP_TRACE_TXRX_PACKET_PTR_RECORD - txrx packet ptr record
224  * @QDF_DP_TRACE_TXRX_FAST_PACKET_PTR_RECORD - txrx fast path record
225  * @QDF_DP_TRACE_HTT_PACKET_PTR_RECORD - htt packet ptr record
226  * @QDF_DP_TRACE_HTC_PACKET_PTR_RECORD - htc packet ptr record
227  * @QDF_DP_TRACE_HIF_PACKET_PTR_RECORD - hif packet ptr record
228  * @QDF_DP_TRACE_RX_TXRX_PACKET_PTR_RECORD - txrx packet ptr record
229  * @QDF_DP_TRACE_LI_DP_NULL_RX_PACKET_RECORD
230  *		- record data bytes of rx null_queue pkt at LI_DP
231  * @QDF_DP_TRACE_HIGH_VERBOSITY - below this are part of high verbosity
232  */
233 
234 enum  QDF_DP_TRACE_ID {
235 	QDF_DP_TRACE_INVALID,
236 	QDF_DP_TRACE_DROP_PACKET_RECORD,
237 	QDF_DP_TRACE_EAPOL_PACKET_RECORD,
238 	QDF_DP_TRACE_DHCP_PACKET_RECORD,
239 	QDF_DP_TRACE_ARP_PACKET_RECORD,
240 	QDF_DP_TRACE_MGMT_PACKET_RECORD,
241 	QDF_DP_TRACE_EVENT_RECORD,
242 	QDF_DP_TRACE_BASE_VERBOSITY,
243 	QDF_DP_TRACE_ICMP_PACKET_RECORD,
244 	QDF_DP_TRACE_ICMPv6_PACKET_RECORD,
245 	QDF_DP_TRACE_HDD_TX_TIMEOUT,
246 	QDF_DP_TRACE_HDD_SOFTAP_TX_TIMEOUT,
247 	QDF_DP_TRACE_ULTRA_LOW_VERBOSITY,
248 	QDF_DP_TRACE_TX_PACKET_RECORD,
249 	QDF_DP_TRACE_RX_PACKET_RECORD,
250 	QDF_DP_TRACE_HDD_TX_PACKET_RECORD,
251 	QDF_DP_TRACE_HDD_RX_PACKET_RECORD,
252 	QDF_DP_TRACE_LI_DP_TX_PACKET_RECORD,
253 	QDF_DP_TRACE_LI_DP_RX_PACKET_RECORD,
254 	QDF_DP_TRACE_LI_DP_FREE_PACKET_PTR_RECORD,
255 	QDF_DP_TRACE_FREE_PACKET_PTR_RECORD,
256 	QDF_DP_TRACE_LOW_VERBOSITY,
257 	QDF_DP_TRACE_HDD_TX_PACKET_PTR_RECORD,
258 	QDF_DP_TRACE_LI_DP_TX_PACKET_PTR_RECORD,
259 	QDF_DP_TRACE_RX_HDD_PACKET_PTR_RECORD,
260 	QDF_DP_TRACE_CE_PACKET_PTR_RECORD,
261 	QDF_DP_TRACE_CE_FAST_PACKET_PTR_RECORD,
262 	QDF_DP_TRACE_CE_FAST_PACKET_ERR_RECORD,
263 	QDF_DP_TRACE_RX_HTT_PACKET_PTR_RECORD,
264 	QDF_DP_TRACE_RX_OFFLOAD_HTT_PACKET_PTR_RECORD,
265 	QDF_DP_TRACE_RX_LI_DP_PACKET_PTR_RECORD,
266 	QDF_DP_TRACE_MED_VERBOSITY,
267 	QDF_DP_TRACE_TXRX_QUEUE_PACKET_PTR_RECORD,
268 	QDF_DP_TRACE_TXRX_PACKET_PTR_RECORD,
269 	QDF_DP_TRACE_TXRX_FAST_PACKET_PTR_RECORD,
270 	QDF_DP_TRACE_HTT_PACKET_PTR_RECORD,
271 	QDF_DP_TRACE_HTC_PACKET_PTR_RECORD,
272 	QDF_DP_TRACE_HIF_PACKET_PTR_RECORD,
273 	QDF_DP_TRACE_RX_TXRX_PACKET_PTR_RECORD,
274 	QDF_DP_TRACE_LI_DP_NULL_RX_PACKET_RECORD,
275 	QDF_DP_TRACE_HIGH_VERBOSITY,
276 	QDF_DP_TRACE_MAX
277 };
278 
279 /**
280  * qdf_proto_dir - direction
281  * @QDF_TX: TX direction
282  * @QDF_RX: RX direction
283  * @QDF_NA: not applicable
284  */
285 enum qdf_proto_dir {
286 	QDF_TX,
287 	QDF_RX,
288 	QDF_NA
289 };
290 
291 /**
292  * struct qdf_dp_trace_ptr_buf - pointer record buffer
293  * @cookie: cookie value
294  * @msdu_id: msdu_id
295  * @status: completion status
296  */
297 struct qdf_dp_trace_ptr_buf {
298 	uint64_t cookie;
299 	uint16_t msdu_id;
300 	uint16_t status;
301 };
302 
303 /**
304  * struct qdf_dp_trace_proto_buf - proto packet buffer
305  * @sa: source address
306  * @da: destination address
307  * @vdev_id : vdev id
308  * @type: packet type
309  * @subtype: packet subtype
310  * @dir: direction
311  */
312 struct qdf_dp_trace_proto_buf {
313 	struct qdf_mac_addr sa;
314 	struct qdf_mac_addr da;
315 	uint8_t vdev_id;
316 	uint8_t type;
317 	uint8_t subtype;
318 	uint8_t dir;
319 };
320 
321 /**
322  * struct qdf_dp_trace_mgmt_buf - mgmt packet buffer
323  * @vdev_id : vdev id
324  * @type: packet type
325  * @subtype: packet subtype
326  */
327 struct qdf_dp_trace_mgmt_buf {
328 	uint8_t vdev_id;
329 	uint8_t type;
330 	uint8_t subtype;
331 };
332 
333 /**
334  * struct qdf_dp_trace_event_buf - event buffer
335  * @vdev_id : vdev id
336  * @type: packet type
337  * @subtype: packet subtype
338  */
339 struct qdf_dp_trace_event_buf {
340 	uint8_t vdev_id;
341 	uint8_t type;
342 	uint8_t subtype;
343 };
344 
345 /**
346  * struct qdf_dp_trace_data_buf - nbuf data buffer
347  * @msdu_id : msdu id
348  */
349 struct qdf_dp_trace_data_buf {
350 	uint16_t msdu_id;
351 };
352 
353 /**
354  * struct qdf_dp_trace_record_s - Describes a record in DP trace
355  * @time: time when it got stored
356  * @code: Describes the particular event
357  * @data: buffer to store data
358  * @size: Length of the valid data stored in this record
359  * @pid : process id which stored the data in this record
360  */
361 struct qdf_dp_trace_record_s {
362 	uint64_t time;
363 	uint8_t code;
364 	uint8_t data[QDF_DP_TRACE_RECORD_SIZE];
365 	uint8_t size;
366 	uint32_t pid;
367 	uint8_t pdev_id;
368 };
369 
370 /**
371  * struct qdf_dp_trace_data - Parameters to configure/control DP trace
372  * @head: Position of first record
373  * @tail: Position of last record
374  * @num:  Current index
375  * @proto_bitmap: defines which protocol to be traced
376  * @no_of_record: defines every nth packet to be traced
377  * @num_records_to_dump: defines number of records to be dumped
378  * @dump_counter: counter to track number of records dumped
379  * @verbosity : defines verbosity level
380  * @ini_conf_verbosity: Configured verbosity from INI
381  * @enable: enable/disable DP trace
382  * @count: current packet number
383  * @live_mode_config: configuration as received during initialization
384  * @live_mode: current live mode, enabled or disabled, can be throttled based
385  *             on throughput
386  * @force_live_mode: flag to enable live mode all the time for all packets.
387  *                  This can be set/unset from userspace and overrides other
388  *                  live mode flags.
389  * @dynamic_verbosity_modify: Dynamic user configured verbosity overrides all
390  * @print_pkt_cnt: count of number of packets printed in live mode
391  * @high_tput_thresh: thresh beyond which live mode is turned off
392  * @thresh_time_limit: max time, in terms of BW timer intervals to wait,
393  *          for determining if high_tput_thresh has been crossed. ~1s
394  * @arp_req: stats for arp reqs
395  * @arp_resp: stats for arp resps
396  * @icmp_req: stats for icmp reqs
397  * @icmp_resp: stats for icmp resps
398  * @dhcp_disc: stats for dhcp discover msgs
399  * @dhcp_req: stats for dhcp req msgs
400  * @dhcp_off: stats for dhcp offer msgs
401  * @dhcp_ack: stats for dhcp ack msgs
402  * @dhcp_nack: stats for dhcp nack msgs
403  * @dhcp_others: stats for other dhcp pkts types
404  * @eapol_m1: stats for eapol m1
405  * @eapol_m2: stats for eapol m2
406  * @eapol_m3: stats for eapol m3
407  * @eapol_m4: stats for eapol m4
408  * @eapol_others: stats for other eapol pkt types
409  * @icmpv6_req: stats for icmpv6 reqs
410  * @icmpv6_resp: stats for icmpv6 resps
411  * @icmpv6_ns: stats for icmpv6 nss
412  * @icmpv6_na: stats for icmpv6 nas
413  * @icmpv6_rs: stats for icmpv6 rss
414  * @icmpv6_ra: stats for icmpv6 ras
415  */
416 struct s_qdf_dp_trace_data {
417 	uint32_t head;
418 	uint32_t tail;
419 	uint32_t num;
420 	uint8_t proto_bitmap;
421 	uint8_t no_of_record;
422 	uint16_t num_records_to_dump;
423 	uint16_t dump_counter;
424 	uint8_t verbosity;
425 	uint8_t ini_conf_verbosity;
426 	bool enable;
427 	bool live_mode_config;
428 	bool live_mode;
429 	uint32_t curr_pos;
430 	uint32_t saved_tail;
431 	bool force_live_mode;
432 	bool dynamic_verbosity_modify;
433 	uint8_t print_pkt_cnt;
434 	uint8_t high_tput_thresh;
435 	uint16_t thresh_time_limit;
436 	/* Stats */
437 	uint32_t tx_count;
438 	uint32_t rx_count;
439 	u16 arp_req;
440 	u16 arp_resp;
441 	u16 dhcp_disc;
442 	u16 dhcp_req;
443 	u16 dhcp_off;
444 	u16 dhcp_ack;
445 	u16 dhcp_nack;
446 	u16 dhcp_others;
447 	u16 eapol_m1;
448 	u16 eapol_m2;
449 	u16 eapol_m3;
450 	u16 eapol_m4;
451 	u16 eapol_others;
452 	u16 icmp_req;
453 	u16 icmp_resp;
454 	u16 icmpv6_req;
455 	u16 icmpv6_resp;
456 	u16 icmpv6_ns;
457 	u16 icmpv6_na;
458 	u16 icmpv6_rs;
459 	u16 icmpv6_ra;
460 };
461 
462 /**
463  * struct qdf_dpt_debugfs_state - state to control read to debugfs file
464  * @QDF_DPT_DEBUGFS_STATE_SHOW_STATE_INVALID: invalid state
465  * @QDF_DPT_DEBUGFS_STATE_SHOW_STATE_INIT: initial state
466  * @QDF_DPT_DEBUGFS_STATE_SHOW_IN_PROGRESS: read is in progress
467  * @QDF_DPT_DEBUGFS_STATE_SHOW_COMPLETE:  read complete
468  */
469 
470 enum qdf_dpt_debugfs_state {
471 	QDF_DPT_DEBUGFS_STATE_SHOW_STATE_INVALID,
472 	QDF_DPT_DEBUGFS_STATE_SHOW_STATE_INIT,
473 	QDF_DPT_DEBUGFS_STATE_SHOW_IN_PROGRESS,
474 	QDF_DPT_DEBUGFS_STATE_SHOW_COMPLETE,
475 };
476 
477 /* Function declarations and documenation */
478 
479 /**
480  * qdf_trace_set_level() - Set the trace level for a particular module
481  * @level : trace level
482  *
483  * Trace level is a member of the QDF_TRACE_LEVEL enumeration indicating
484  * the severity of the condition causing the trace message to be issued.
485  * More severe conditions are more likely to be logged.
486  *
487  * This is an external API that allows trace levels to be set for each module.
488  *
489  * Return:  nothing
490  */
491 void qdf_trace_set_level(QDF_MODULE_ID module, QDF_TRACE_LEVEL level);
492 
493 /**
494  * qdf_trace_get_level() - get the trace level
495  * @level : trace level
496  *
497  * This is an external API that returns a bool value to signify if a
498  * particular trace level is set for the specified module.
499  * A member of the QDF_TRACE_LEVEL enumeration indicating the severity
500  * of the condition causing the trace message to be issued.
501  *
502  * Note that individual trace levels are the only valid values
503  * for this API.  QDF_TRACE_LEVEL_NONE and QDF_TRACE_LEVEL_ALL
504  * are not valid input and will return false
505  *
506  * Return:
507  *  false - the specified trace level for the specified module is OFF
508  *  true - the specified trace level for the specified module is ON
509  */
510 bool qdf_trace_get_level(QDF_MODULE_ID module, QDF_TRACE_LEVEL level);
511 
512 typedef void (*tp_qdf_trace_cb)(void *p_mac, tp_qdf_trace_record, uint16_t);
513 typedef void (*tp_qdf_state_info_cb) (char **buf, uint16_t *size);
514 #ifdef WLAN_FEATURE_MEMDUMP_ENABLE
515 void qdf_register_debugcb_init(void);
516 void qdf_register_debug_callback(QDF_MODULE_ID module_id,
517 					tp_qdf_state_info_cb qdf_state_infocb);
518 QDF_STATUS qdf_state_info_dump_all(char *buf, uint16_t size,
519 			uint16_t *driver_dump_size);
520 #else /* WLAN_FEATURE_MEMDUMP_ENABLE */
521 static inline void qdf_register_debugcb_init(void)
522 {
523 }
524 #endif /* WLAN_FEATURE_MEMDUMP_ENABLE */
525 
526 #ifdef TRACE_RECORD
527 void qdf_trace_register(QDF_MODULE_ID, tp_qdf_trace_cb);
528 void qdf_trace_init(void);
529 void qdf_trace_deinit(void);
530 void qdf_trace(uint8_t module, uint8_t code, uint16_t session, uint32_t data);
531 void qdf_trace_enable(uint32_t, uint8_t enable);
532 void qdf_trace_dump_all(void *, uint8_t, uint8_t, uint32_t, uint32_t);
533 QDF_STATUS qdf_trace_spin_lock_init(void);
534 #else
535 #ifdef CONFIG_MCL
536 static inline
537 void qdf_trace_init(void)
538 {
539 }
540 
541 static inline
542 void qdf_trace_deinit(void)
543 {
544 }
545 
546 static inline
547 void qdf_trace_enable(uint32_t bitmask_of_module_id, uint8_t enable)
548 {
549 }
550 
551 static inline
552 void qdf_trace(uint8_t module, uint8_t code, uint16_t session, uint32_t data)
553 {
554 }
555 
556 static inline
557 void qdf_trace_dump_all(void *p_mac, uint8_t code, uint8_t session,
558 			uint32_t count, uint32_t bitmask_of_module)
559 {
560 }
561 
562 static inline
563 QDF_STATUS qdf_trace_spin_lock_init(void)
564 {
565 	return QDF_STATUS_E_INVAL;
566 }
567 #endif
568 #endif
569 
570 #ifdef ENABLE_MTRACE_LOG
571 /**
572  * qdf_mtrace_log() - Logs a message tracepoint to DIAG
573  * Infrastructure.
574  * @src_module: Enum of source module (basically module id)
575  * from where the message with message_id is posted.
576  * @dst_module: Enum of destination module (basically module id)
577  * to which the message with message_id is posted.
578  * @message_id: Id of the message to be posted
579  * @vdev_id: Vdev Id
580  *
581  * This function logs to the DIAG Infrastructure a tracepoint for a
582  * message being sent from a source module to a destination module
583  * with a specific ID for the benefit of a specific vdev.
584  * For non-vdev messages vdev_id will be NO_SESSION
585  * Return: None
586  */
587 void qdf_mtrace_log(QDF_MODULE_ID src_module, QDF_MODULE_ID dst_module,
588 		    uint16_t message_id, uint8_t vdev_id);
589 #else
590 static inline
591 void qdf_mtrace_log(QDF_MODULE_ID src_module, QDF_MODULE_ID dst_module,
592 		    uint16_t message_id, uint8_t vdev_id)
593 {
594 }
595 #endif
596 
597 #ifdef TRACE_RECORD
598 /**
599  * qdf_mtrace() - puts the messages in to ring-buffer
600  * and logs a message tracepoint to DIAG Infrastructure.
601  * @src_module: Enum of source module (basically module id)
602  * from where the message with message_id is posted.
603  * @dst_module: Enum of destination module (basically module id)
604  * to which the message with message_id is posted.
605  * @message_id: Id of the message to be posted
606  * @vdev_id: Vdev Id
607  * @data: Actual message contents
608  *
609  * This function will be called from each module which wants to record the
610  * messages in circular queue. Before calling this function make sure you
611  * have registered your module with qdf through qdf_trace_register function.
612  * In addition of the recording the messages in circular queue this function
613  * will log the message tracepoint to the  DIAG infrastructure.
614  * these logs will be later used by post processing script.
615  *
616  * Return: None
617  */
618 void qdf_mtrace(QDF_MODULE_ID src_module, QDF_MODULE_ID dst_module,
619 		uint16_t message_id, uint8_t vdev_id, uint32_t data);
620 #else
621 static inline
622 void qdf_mtrace(QDF_MODULE_ID src_module, QDF_MODULE_ID dst_module,
623 		uint16_t message_id, uint8_t vdev_id, uint32_t data)
624 {
625 }
626 #endif
627 
628 #ifdef CONFIG_DP_TRACE
629 void qdf_dp_set_proto_bitmap(uint32_t val);
630 void qdf_dp_trace_set_verbosity(uint32_t val);
631 void qdf_dp_set_no_of_record(uint32_t val);
632 #define QDF_DP_TRACE_RECORD_INFO_LIVE (0x1)
633 #define QDF_DP_TRACE_RECORD_INFO_THROTTLED (0x1 << 1)
634 
635 /**
636  * qdf_dp_trace_log_pkt() - log packet type enabled through iwpriv
637  * @vdev_id: vdev_id
638  * @skb: skb pointer
639  * @dir: direction
640  * @pdev_id: pdev_id
641  *
642  * Return: true: some protocol was logged, false: no protocol was logged.
643  */
644 bool qdf_dp_trace_log_pkt(uint8_t vdev_id, struct sk_buff *skb,
645 			  enum qdf_proto_dir dir, uint8_t pdev_id);
646 
647 void qdf_dp_trace_init(bool live_mode_config, uint8_t thresh,
648 				uint16_t time_limit, uint8_t verbosity,
649 				uint8_t proto_bitmap);
650 void qdf_dp_trace_deinit(void);
651 void qdf_dp_trace_spin_lock_init(void);
652 void qdf_dp_trace_set_value(uint8_t proto_bitmap, uint8_t no_of_records,
653 			 uint8_t verbosity);
654 void qdf_dp_trace_set_track(qdf_nbuf_t nbuf, enum qdf_proto_dir dir);
655 void qdf_dp_trace(qdf_nbuf_t nbuf, enum QDF_DP_TRACE_ID code, uint8_t pdev_id,
656 			uint8_t *data, uint8_t size, enum qdf_proto_dir dir);
657 void qdf_dp_trace_dump_all(uint32_t count, uint8_t pdev_id);
658 
659 /**
660  * qdf_dpt_get_curr_pos_debugfs() - get curr position to start read
661  * @file: debugfs file to read
662  * @state: state to control read to debugfs file
663  *
664  * Return: curr pos
665  */
666 uint32_t qdf_dpt_get_curr_pos_debugfs(qdf_debugfs_file_t file,
667 				enum qdf_dpt_debugfs_state state);
668 /**
669  * qdf_dpt_dump_stats_debugfs() - dump DP Trace stats to debugfs file
670  * @file: debugfs file to read
671  * @curr_pos: curr position to start read
672  *
673  * Return: QDF_STATUS
674  */
675 QDF_STATUS qdf_dpt_dump_stats_debugfs(qdf_debugfs_file_t file,
676 				      uint32_t curr_pos);
677 
678 /**
679  * qdf_dpt_set_value_debugfs() - set value of DP Trace debugfs params
680  * @proto_bitmap: defines which protocol to be traced
681  * @no_of_record: defines every nth packet to be traced
682  * @verbosity : defines verbosity level
683  * @num_records_to_dump: defines number of records to be dumped
684  *
685  * Return: none
686  */
687 void qdf_dpt_set_value_debugfs(uint8_t proto_bitmap, uint8_t no_of_record,
688 			    uint8_t verbosity, uint16_t num_records_to_dump);
689 
690 
691 /**
692  * qdf_dp_trace_dump_stats() - dump DP Trace stats
693  *
694  * Return: none
695  */
696 void qdf_dp_trace_dump_stats(void);
697 typedef void (*tp_qdf_dp_trace_cb)(struct qdf_dp_trace_record_s*,
698 				   uint16_t, uint8_t, uint8_t info);
699 /**
700  * qdf_dp_display_record() - Displays a record in DP trace
701  * @record: pointer to a record in DP trace
702  * @index: record index
703  * @pdev_id: pdev id for the mgmt pkt
704  * @info: info used to display pkt (live mode, throttling)
705  *
706  * Return: None
707  */
708 void qdf_dp_display_record(struct qdf_dp_trace_record_s *record,
709 			   uint16_t index, uint8_t pdev_id,
710 			   uint8_t info);
711 
712 /**
713  * qdf_dp_display_ptr_record() - display record
714  * @record: dptrace record
715  * @rec_index: index
716  * @pdev_id: pdev id for the mgmt pkt
717  * @info: info used to display pkt (live mode, throttling)
718  *
719  * Return: none
720  */
721 void qdf_dp_display_ptr_record(struct qdf_dp_trace_record_s *record,
722 			       uint16_t rec_index, uint8_t pdev_id,
723 			       uint8_t info);
724 
725 /**
726  * qdf_dp_display_proto_pkt_debug() - display proto packet only
727  * for debug.
728  * @record: dptrace record
729  * @index: index
730  * @pdev_id: pdev id for the mgmt pkt
731  * @info: info used to display pkt (live mode, throttling)
732  *
733  * Return: none
734  */
735 void qdf_dp_display_proto_pkt_debug(struct qdf_dp_trace_record_s *record,
736 			      uint16_t index, uint8_t pdev_id,
737 			      uint8_t info);
738 
739 /**
740  * qdf_dp_display_proto_pkt_always() - display proto packets all
741  * the time.
742  * @record: dptrace record
743  * @index: index
744  * @pdev_id: pdev id for the mgmt pkt
745  * @info: info used to display pkt (live mode, throttling)
746  *
747  * Return: none
748  */
749 void qdf_dp_display_proto_pkt_always(struct qdf_dp_trace_record_s *record,
750 			      uint16_t index, uint8_t pdev_id,
751 			      uint8_t info);
752 
753 /**
754  * qdf_dp_display_data_pkt_record() - Displays a data packet in DP trace
755  * @record: pointer to a record in DP trace
756  * @rec_index: record index
757  * @pdev_id: pdev id
758  * @info: display info regarding record
759  *
760  * Return: None
761  */
762 void
763 qdf_dp_display_data_pkt_record(struct qdf_dp_trace_record_s *record,
764 			       uint16_t rec_index, uint8_t pdev_id,
765 			       uint8_t info);
766 
767 void qdf_dp_trace_ptr(qdf_nbuf_t nbuf, enum QDF_DP_TRACE_ID code,
768 		      uint8_t pdev_id, uint8_t *data, uint8_t size,
769 		      uint16_t msdu_id, uint16_t status);
770 void qdf_dp_trace_throttle_live_mode(bool high_bw_request);
771 
772 /**
773  * qdf_dp_trace_tput_policy() - Change verbosity based on the TPUT
774  * @is_data_traffic: Is traffic more than low TPUT threashould
775  *
776  * Return: None
777  */
778 void qdf_dp_trace_apply_tput_policy(bool is_data_traffic);
779 
780 /**
781  * qdf_dp_trace_data_pkt() - trace data packet
782  * @nbuf: nbuf which needs to be traced
783  * @pdev_id: pdev_id
784  * @code: QDF_DP_TRACE_ID for the packet (TX or RX)
785  * @msdu_id: tx desc id for the nbuf (Only applies to TX packets)
786  * @dir: TX or RX packet direction
787  *
788  * Return: None
789  */
790 void qdf_dp_trace_data_pkt(qdf_nbuf_t nbuf, uint8_t pdev_id,
791 			   enum QDF_DP_TRACE_ID code, uint16_t msdu_id,
792 			   enum qdf_proto_dir dir);
793 
794 uint8_t qdf_dp_get_proto_bitmap(void);
795 uint8_t qdf_dp_get_verbosity(void);
796 uint8_t qdf_dp_get_no_of_record(void);
797 
798 /**
799  * qdf_dp_trace_proto_pkt() - record proto packet
800  * @code: dptrace code
801  * @vdev_id: vdev id
802  * @sa: source mac address
803  * @da: destination mac address
804  * @type: proto type
805  * @subtype: proto subtype
806  * @dir: direction
807  * @pdev_id: pdev id
808  * @print: to print this proto pkt or not
809  *
810  * Return: none
811  */
812 void
813 qdf_dp_trace_proto_pkt(enum QDF_DP_TRACE_ID code, uint8_t vdev_id,
814 	uint8_t *sa, uint8_t *da, enum qdf_proto_type type,
815 	enum qdf_proto_subtype subtype, enum qdf_proto_dir dir,
816 	uint8_t pdev_id, bool print);
817 
818 void qdf_dp_trace_disable_live_mode(void);
819 void qdf_dp_trace_enable_live_mode(void);
820 void qdf_dp_trace_clear_buffer(void);
821 /**
822  * qdf_dp_trace_mgmt_pkt() - record mgmt packet
823  * @code: dptrace code
824  * @vdev_id: vdev id
825  * @pdev_id: pdev_id
826  * @type: proto type
827  * @subtype: proto subtype
828  *
829  * Return: none
830  */
831 void qdf_dp_trace_mgmt_pkt(enum QDF_DP_TRACE_ID code, uint8_t vdev_id,
832 			   uint8_t pdev_id, enum qdf_proto_type type,
833 			   enum qdf_proto_subtype subtype);
834 
835 /**
836  * qdf_dp_display_mgmt_pkt() - display proto packet
837  * @record: dptrace record
838  * @index: index
839  * @pdev_id: pdev id for the mgmt pkt
840  * @info: info used to display pkt (live mode, throttling)
841  *
842  * Return: none
843  */
844 void qdf_dp_display_mgmt_pkt(struct qdf_dp_trace_record_s *record,
845 			     uint16_t index, uint8_t pdev_id, uint8_t info);
846 
847 /**
848  * qdf_dp_display_event_record() - display event records
849  * @record: dptrace record
850  * @index: index
851  * @pdev_id: pdev id for the mgmt pkt
852  * @info: info used to display pkt (live mode, throttling)
853  *
854  * Return: none
855  */
856 void qdf_dp_display_event_record(struct qdf_dp_trace_record_s *record,
857 				 uint16_t index, uint8_t pdev_id, uint8_t info);
858 
859 void qdf_dp_trace_record_event(enum QDF_DP_TRACE_ID code, uint8_t vdev_id,
860 			       uint8_t pdev_id, enum qdf_proto_type type,
861 			       enum qdf_proto_subtype subtype);
862 #else
863 static inline
864 bool qdf_dp_trace_log_pkt(uint8_t vdev_id, struct sk_buff *skb,
865 			  enum qdf_proto_dir dir, uint8_t pdev_id)
866 {
867 	return false;
868 }
869 static inline
870 void qdf_dp_trace_init(bool live_mode_config, uint8_t thresh,
871 				uint16_t time_limit, uint8_t verbosity,
872 				uint8_t proto_bitmap)
873 {
874 }
875 
876 static inline
877 void qdf_dp_trace_deinit(void)
878 {
879 }
880 
881 static inline
882 void qdf_dp_trace_set_track(qdf_nbuf_t nbuf, enum qdf_proto_dir dir)
883 {
884 }
885 static inline
886 void qdf_dp_trace_set_value(uint8_t proto_bitmap, uint8_t no_of_records,
887 			 uint8_t verbosity)
888 {
889 }
890 
891 static inline
892 void qdf_dp_trace_dump_all(uint32_t count, uint8_t pdev_id)
893 {
894 }
895 
896 static inline
897 uint32_t qdf_dpt_get_curr_pos_debugfs(qdf_debugfs_file_t file,
898 				      enum qdf_dpt_debugfs_state state)
899 {
900 	return 0;
901 }
902 
903 static inline
904 QDF_STATUS qdf_dpt_dump_stats_debugfs(qdf_debugfs_file_t file,
905 				      uint32_t curr_pos)
906 {
907 	return QDF_STATUS_SUCCESS;
908 }
909 
910 static inline
911 void qdf_dpt_set_value_debugfs(uint8_t proto_bitmap, uint8_t no_of_record,
912 			    uint8_t verbosity, uint16_t num_records_to_dump)
913 {
914 }
915 
916 static inline void qdf_dp_trace_dump_stats(void)
917 {
918 }
919 
920 static inline
921 void qdf_dp_trace_disable_live_mode(void)
922 {
923 }
924 
925 static inline
926 void qdf_dp_trace_enable_live_mode(void)
927 {
928 }
929 
930 static inline
931 void qdf_dp_trace_throttle_live_mode(bool high_bw_request)
932 {
933 }
934 
935 static inline
936 void qdf_dp_trace_clear_buffer(void)
937 {
938 }
939 
940 static inline
941 void qdf_dp_trace_apply_tput_policy(bool is_data_traffic)
942 {
943 }
944 
945 static inline
946 void qdf_dp_trace_data_pkt(qdf_nbuf_t nbuf, uint8_t pdev_id,
947 			   enum QDF_DP_TRACE_ID code, uint16_t msdu_id,
948 			   enum qdf_proto_dir dir)
949 {
950 }
951 #endif
952 
953 void qdf_trace_display(void);
954 
955 void qdf_trace_set_value(QDF_MODULE_ID module, QDF_TRACE_LEVEL level,
956 			 uint8_t on);
957 
958 void qdf_trace_set_module_trace_level(QDF_MODULE_ID module, uint32_t level);
959 
960 void __printf(3, 4) qdf_snprintf(char *str_buffer, unsigned int size,
961 		  char *str_format, ...);
962 
963 #define QDF_SNPRINTF qdf_snprintf
964 
965 #ifdef TSOSEG_DEBUG
966 
967 static inline void qdf_tso_seg_dbg_bug(char *msg)
968 {
969 	qdf_print("%s", msg);
970 	QDF_BUG(0);
971 };
972 
973 /**
974  * qdf_tso_seg_dbg_init - initialize TSO segment debug structure
975  * @tsoseg : structure to initialize
976  *
977  * TSO segment dbg structures are attached to qdf_tso_seg_elem_t
978  * structures and are allocated only of TSOSEG_DEBUG is defined.
979  * When allocated, at the time of the tso_seg_pool initialization,
980  * which goes with tx_desc initialization (1:1), each structure holds
981  * a number of (currently 16) history entries, basically describing
982  * what operation has been performed on this particular tso_seg_elem.
983  * This history buffer is a circular buffer and the current index is
984  * held in an atomic variable called cur. It is incremented every
985  * operation. Each of these operations are added with the function
986  * qdf_tso_seg_dbg_record.
987  * For each segment, this initialization function MUST be called PRIOR
988  * TO any _dbg_record() function calls.
989  * On free, qdf_tso_seg_elem structure is cleared (using qdf_tso_seg_dbg_zero)
990  * which clears the tso_desc, BUT DOES NOT CLEAR THE HISTORY element.
991  *
992  * Return:
993  *   None
994  */
995 static inline
996 void qdf_tso_seg_dbg_init(struct qdf_tso_seg_elem_t *tsoseg)
997 {
998 	tsoseg->dbg.txdesc = NULL;
999 	qdf_atomic_init(&tsoseg->dbg.cur); /* history empty */
1000 }
1001 
1002 /**
1003  * qdf_tso_seg_dbg_record - add a history entry to TSO debug structure
1004  * @tsoseg : structure to initialize
1005  * @id     : operation ID (identifies the caller)
1006  *
1007  * Adds a history entry to the history circular buffer. Each entry
1008  * contains an operation id (caller, as currently each ID is used only
1009  * once in the source, so it directly identifies the src line that invoked
1010  * the recording.
1011  *
1012  * qdf_tso_seg_dbg_record CAN ONLY BE CALLED AFTER the entry is initialized
1013  * by qdf_tso_seg_dbg_init.
1014  *
1015  * The entry to be added is written at the location pointed by the atomic
1016  * variable called cur. Cur is an ever increasing atomic variable. It is
1017  * masked so that only the lower 4 bits are used (16 history entries).
1018  *
1019  * Return:
1020  *   int: the entry this record was recorded at
1021  */
1022 static inline
1023 int qdf_tso_seg_dbg_record(struct qdf_tso_seg_elem_t *tsoseg, short id)
1024 {
1025 	int rc = -1;
1026 	unsigned int c;
1027 
1028 	qdf_assert(tsoseg);
1029 
1030 	if (id == TSOSEG_LOC_ALLOC) {
1031 		c = qdf_atomic_read(&tsoseg->dbg.cur);
1032 		/* dont crash on the very first alloc on the segment */
1033 		c &= 0x0f;
1034 		/* allow only INIT and FREE ops before ALLOC */
1035 		if (tsoseg->dbg.h[c].id >= id)
1036 			qdf_tso_seg_dbg_bug("Rogue TSO seg alloc");
1037 	}
1038 	c = qdf_atomic_inc_return(&tsoseg->dbg.cur);
1039 
1040 	c &= 0x0f;
1041 	tsoseg->dbg.h[c].ts = qdf_get_log_timestamp();
1042 	tsoseg->dbg.h[c].id = id;
1043 	rc = c;
1044 
1045 	return rc;
1046 };
1047 
1048 static inline void
1049 qdf_tso_seg_dbg_setowner(struct qdf_tso_seg_elem_t *tsoseg, void *owner)
1050 {
1051 	if (tsoseg)
1052 		tsoseg->dbg.txdesc = owner;
1053 };
1054 
1055 static inline void
1056 qdf_tso_seg_dbg_zero(struct qdf_tso_seg_elem_t *tsoseg)
1057 {
1058 	memset(tsoseg, 0, offsetof(struct qdf_tso_seg_elem_t, dbg));
1059 	return;
1060 };
1061 
1062 #else
1063 static inline
1064 void qdf_tso_seg_dbg_init(struct qdf_tso_seg_elem_t *tsoseg)
1065 {
1066 };
1067 static inline
1068 int qdf_tso_seg_dbg_record(struct qdf_tso_seg_elem_t *tsoseg, short id)
1069 {
1070 	return 0;
1071 };
1072 static inline void qdf_tso_seg_dbg_bug(char *msg)
1073 {
1074 };
1075 static inline void
1076 qdf_tso_seg_dbg_setowner(struct qdf_tso_seg_elem_t *tsoseg, void *owner)
1077 {
1078 };
1079 static inline int
1080 qdf_tso_seg_dbg_zero(struct qdf_tso_seg_elem_t *tsoseg)
1081 {
1082 	memset(tsoseg, 0, sizeof(struct qdf_tso_seg_elem_t));
1083 	return 0;
1084 };
1085 
1086 #endif /* TSOSEG_DEBUG */
1087 
1088 void qdf_trace_hex_dump(QDF_MODULE_ID module, QDF_TRACE_LEVEL level,
1089 			void *data, int buf_len);
1090 
1091 #define ERROR_CODE                      -1
1092 #define QDF_MAX_NAME_SIZE               32
1093 #define MAX_PRINT_CONFIG_SUPPORTED      32
1094 
1095 #define MAX_SUPPORTED_CATEGORY QDF_MODULE_ID_MAX
1096 
1097 /**
1098  * qdf_set_pidx() - Sets the global qdf_pidx.
1099  * @pidx : Index of print control object assigned to the module
1100  *
1101  */
1102 void qdf_set_pidx(int pidx);
1103 
1104 /**
1105  * qdf_get_pidx() - Returns the global qdf_pidx.
1106  *
1107  * Return : Current qdf print index.
1108  */
1109 int qdf_get_pidx(void);
1110 /*
1111  * Shared print control index
1112  * for converged debug framework
1113  */
1114 
1115 #define QDF_PRINT_IDX_SHARED -1
1116 
1117 /**
1118  * QDF_PRINT_INFO() - Generic wrapper API for logging
1119  * @idx : Index of print control object
1120  * @module : Module identifier. A member of QDF_MODULE_ID enumeration that
1121  *           identifies the module issuing the trace message
1122  * @level : Trace level. A member of QDF_TRACE_LEVEL enumeration indicating
1123  *          the severity of the condition causing the trace message to be
1124  *          issued.
1125  * @str_format : Format string that contains the message to be logged.
1126  *
1127  *
1128  * This wrapper will be used for any generic logging messages. Wrapper will
1129  * compile a call to converged QDF trace message API.
1130  *
1131  * Return : Nothing
1132  *
1133  */
1134 void QDF_PRINT_INFO(unsigned int idx, QDF_MODULE_ID module,
1135 		    QDF_TRACE_LEVEL level,
1136 		    char *str_format, ...);
1137 
1138 /**
1139  * struct category_info  : Category information structure
1140  * @category_verbose_mask: Embeds information about category's verbose level
1141  */
1142 struct category_info {
1143 	uint16_t category_verbose_mask;
1144 };
1145 
1146 /**
1147  * struct category_name_info  : Category name information structure
1148  * @category_name_str: Embeds information about category name
1149  */
1150 struct category_name_info {
1151 	unsigned char category_name_str[QDF_MAX_NAME_SIZE];
1152 };
1153 
1154 /**
1155  * qdf_trace_msg_cmn()- Converged logging API
1156  * @idx: Index of print control object assigned to the module
1157  * @category: Category identifier. A member of the QDF_MODULE_ID enumeration
1158  *            that identifies the category issuing the trace message.
1159  * @verbose: Verbose level. A member of the QDF_TRACE_LEVEL enumeration
1160  *           indicating the severity of the condition causing the trace
1161  *           message to be issued. More severe conditions are more likely
1162  *           to be logged.
1163  * @str_format: Format string. The message to be logged. This format string
1164  *              contains printf-like replacement parameters, which follow this
1165  *              parameter in the variable argument list.
1166  * @val: Variable argument list part of the log message
1167  *
1168  * Return: nothing
1169  *
1170  */
1171 void qdf_trace_msg_cmn(unsigned int idx,
1172 			QDF_MODULE_ID category,
1173 			QDF_TRACE_LEVEL verbose,
1174 			const char *str_format,
1175 			va_list val);
1176 
1177 /**
1178  * struct qdf_print_ctrl: QDF Print Control structure
1179  *                        Statically allocated objects of print control
1180  *                        structure are declared that will support maximum of
1181  *                        32 print control objects. Any module that needs to
1182  *                        register to the print control framework needs to
1183  *                        obtain a print control object using
1184  *                        qdf_print_ctrl_register API. It will have to pass
1185  *                        pointer to category info structure, name and
1186  *                        custom print function to be used if required.
1187  * @name                : Optional name for the control object
1188  * @cat_info            : Array of category_info struct
1189  * @custom_print        : Custom print handler
1190  * @custom_ctxt         : Custom print context
1191  * @dbglvlmac_on        : Flag to enable/disable MAC level filtering
1192  * @in_use              : Boolean to indicate if control object is in use
1193  */
1194 struct qdf_print_ctrl {
1195 	char name[QDF_MAX_NAME_SIZE];
1196 	struct category_info cat_info[MAX_SUPPORTED_CATEGORY];
1197 	void (*custom_print)(void *ctxt, const char *fmt, va_list args);
1198 	void *custom_ctxt;
1199 #ifdef DBG_LVL_MAC_FILTERING
1200 	unsigned char dbglvlmac_on;
1201 #endif
1202 	bool in_use;
1203 };
1204 
1205 /**
1206  * qdf_print_ctrl_register() - Allocate QDF print control object, assign
1207  *                             pointer to category info or print control
1208  *                             structure and return the index to the callee
1209  * @cinfo                 : Pointer to array of category info structure
1210  * @custom_print_handler  : Pointer to custom print handler
1211  * @custom_ctx            : Pointer to custom context
1212  * @pctrl_name            : Pointer to print control object name
1213  *
1214  * Return                 : Index of qdf_print_ctrl structure
1215  *
1216  */
1217 int qdf_print_ctrl_register(const struct category_info *cinfo,
1218 			    void *custom_print_handler,
1219 			    void *custom_ctx,
1220 			    const char *pctrl_name);
1221 
1222 /**
1223  * qdf_shared_print_ctrl_init() - Initialize the shared print ctrl obj with
1224  *                                all categories set to the default level
1225  *
1226  * Return                 : void
1227  *
1228  */
1229 void qdf_shared_print_ctrl_init(void);
1230 
1231 /**
1232  * qdf_print_setup() - Setup default values to all the print control objects
1233  *
1234  * Register new print control object for the callee
1235  *
1236  * Return :             QDF_STATUS_SUCCESS on success and QDF_STATUS_E_FAILURE
1237  *                      on failure
1238  */
1239 QDF_STATUS qdf_print_setup(void);
1240 
1241 /**
1242  * qdf_print_ctrl_cleanup() - Clean up a print control object
1243  *
1244  * Cleanup the print control object for the callee
1245  *
1246  * @pctrl : Index of print control object
1247  *
1248  * Return : QDF_STATUS_SUCCESS on success and QDF_STATUS_E_FAILURE on failure
1249  */
1250 QDF_STATUS qdf_print_ctrl_cleanup(unsigned int idx);
1251 
1252 /**
1253  * qdf_print_ctrl_shared_cleanup() - Clean up of the shared object
1254  *
1255  * Cleanup the shared print-ctrl-object
1256  *
1257  * Return : void
1258  */
1259 void qdf_shared_print_ctrl_cleanup(void);
1260 
1261 /**
1262  * qdf_print_set_category_verbose() - Enable/Disable category for a
1263  *                                    print control object with
1264  *                                    user provided verbose level
1265  *
1266  * @idx : Index of the print control object assigned to callee
1267  * @category : Category information
1268  * @verbose: Verbose information
1269  * @is_set: Flag indicating if verbose level needs to be enabled or disabled
1270  *
1271  * Return : QDF_STATUS_SUCCESS for success and QDF_STATUS_E_FAILURE for failure
1272  */
1273 QDF_STATUS qdf_print_set_category_verbose(unsigned int idx,
1274 					  QDF_MODULE_ID category,
1275 					  QDF_TRACE_LEVEL verbose,
1276 					  bool is_set);
1277 
1278 /**
1279  * qdf_log_dump_at_kernel_level() - Enable/Disable printk call
1280  * @enable: Indicates whether printk is enabled in QDF_TRACE
1281  *
1282  * Return: void
1283  */
1284 void qdf_log_dump_at_kernel_level(bool enable);
1285 
1286 /**
1287  * qdf_logging_set_flush_timer() - Set the time period in which host logs
1288  *                                 should be flushed out to user-space
1289  * @milliseconds: milliseconds after which the logs should be flushed out to
1290  *                 user-space
1291  *
1292  * Return: QDF_STATUS_SUCCESS for success and QDF_STATUS_E_FAILURE for failure
1293  */
1294 int qdf_logging_set_flush_timer(uint32_t milliseconds);
1295 
1296 /**
1297  * qdf_logging_flush_logs() - Flush out the logs to user-space one time
1298  *
1299  * Return: void
1300  */
1301 void qdf_logging_flush_logs(void);
1302 
1303 /**
1304  * qdf_print_is_category_enabled() - Get category information for the
1305  *                                   print control object
1306  *
1307  * @idx : Index of print control object
1308  * @category : Category information
1309  *
1310  * Return : Verbose enabled(true) or disabled(false) or invalid input (false)
1311  */
1312 bool qdf_print_is_category_enabled(unsigned int idx,
1313 				   QDF_MODULE_ID category);
1314 
1315 /**
1316  * qdf_print_is_verbose_enabled() - Get verbose information of a category for
1317  *                                  the print control object
1318  *
1319  * @idx : Index of print control object
1320  * @category : Category information
1321  * @verbose : Verbose information
1322  *
1323  * Return : Verbose enabled(true) or disabled(false) or invalid input (false)
1324  */
1325 bool qdf_print_is_verbose_enabled(unsigned int idx,
1326 				  QDF_MODULE_ID category,
1327 				  QDF_TRACE_LEVEL verbose);
1328 
1329 /**
1330  * qdf_print_clean_node_flag() - Clean up node flag for print control object
1331  *
1332  * @idx : Index of print control object
1333  *
1334  * Return : None
1335  */
1336 void qdf_print_clean_node_flag(unsigned int idx);
1337 
1338 #ifdef DBG_LVL_MAC_FILTERING
1339 
1340 /**
1341  * qdf_print_set_node_flag() - Set flag to enable MAC level filtering
1342  *
1343  * @idx : Index of print control object
1344  * @enable : Enable/Disable bit sent by callee
1345  *
1346  * Return : QDF_STATUS_SUCCESS on Success and QDF_STATUS_E_FAILURE on Failure
1347  */
1348 QDF_STATUS qdf_print_set_node_flag(unsigned int idx,
1349 				   uint8_t enable);
1350 
1351 /**
1352  * qdf_print_get_node_flag() - Get flag that controls MAC level filtering
1353  *
1354  * @idx : Index of print control object
1355  *
1356  * Return : Flag that indicates enable(1) or disable(0) or invalid(-1)
1357  */
1358 bool qdf_print_get_node_flag(unsigned int idx);
1359 
1360 #endif
1361 
1362 /**
1363  * qdf_logging_init() - Initialize msg logging functionality
1364  *
1365  *
1366  * Return : void
1367  */
1368 void qdf_logging_init(void);
1369 
1370 /**
1371  * qdf_logging_exit() - Cleanup msg logging functionality
1372  *
1373  *
1374  * Return : void
1375  */
1376 void qdf_logging_exit(void);
1377 
1378 #define QDF_SYMBOL_LEN __QDF_SYMBOL_LEN
1379 
1380 /**
1381  * qdf_sprint_symbol() - prints the name of a symbol into a string buffer
1382  * @buffer: the string buffer to print into
1383  * @addr: address of the symbol to lookup and print
1384  *
1385  * Return: number of characters printed
1386  */
1387 int qdf_sprint_symbol(char *buffer, void *addr);
1388 
1389 /**
1390  * qdf_minidump_log() - Log memory address to be included in minidump
1391  * @start_addr: Start address of the memory to be dumped
1392  * @size: Size in bytes
1393  * @name: String to identify this entry
1394  */
1395 static inline
1396 void qdf_minidump_log(void *start_addr, size_t size, const char *name)
1397 {
1398 	__qdf_minidump_log(start_addr, size, name);
1399 }
1400 
1401 #endif /* __QDF_TRACE_H */
1402