xref: /wlan-dirver/qca-wifi-host-cmn/qdf/inc/qdf_trace.h (revision 6ecd284e5a94a1c96e26d571dd47419ac305990d)
1 /*
2  * Copyright (c) 2014-2018 The Linux Foundation. All rights reserved.
3  *
4  * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
5  *
6  *
7  * Permission to use, copy, modify, and/or distribute this software for
8  * any purpose with or without fee is hereby granted, provided that the
9  * above copyright notice and this permission notice appear in all
10  * copies.
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
13  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
14  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
15  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
16  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
17  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
18  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
19  * PERFORMANCE OF THIS SOFTWARE.
20  */
21 
22 /*
23  * This file was originally distributed by Qualcomm Atheros, Inc.
24  * under proprietary terms before Copyright ownership was assigned
25  * to the Linux Foundation.
26  */
27 
28 #if !defined(__QDF_TRACE_H)
29 #define __QDF_TRACE_H
30 
31 /**
32  *  DOC: qdf_trace
33  *  QCA driver framework trace APIs
34  *  Trace, logging, and debugging definitions and APIs
35  */
36 
37 /* Include Files */
38 #include  <qdf_types.h>         /* For QDF_MODULE_ID... */
39 #include  <stdarg.h>            /* For va_list... */
40 #include  <qdf_status.h>
41 #include  <qdf_nbuf.h>
42 #include  <i_qdf_types.h>
43 
44 /* Type declarations */
45 
46 #define FL(x)    "%s: %d: " x, __func__, __LINE__
47 #define QDF_TRACE_BUFFER_SIZE (512)
48 
49 #ifdef CONFIG_MCL
50 #define QDF_DEFAULT_TRACE_LEVEL \
51 	((1 << QDF_TRACE_LEVEL_FATAL) | (1 << QDF_TRACE_LEVEL_ERROR))
52 #else
53 #define QDF_DEFAULT_TRACE_LEVEL (1 << QDF_TRACE_LEVEL_INFO)
54 #endif
55 
56 #define QDF_CATEGORY_INFO_U16(val) (((val >> 16) & 0x0000FFFF))
57 #define QDF_TRACE_LEVEL_INFO_L16(val) (val & 0x0000FFFF)
58 
59 typedef int (qdf_abstract_print)(void *priv, const char *fmt, ...);
60 
61 /*
62  * Log levels
63  */
64 #define QDF_DEBUG_FUNCTRACE     0x01
65 #define QDF_DEBUG_LEVEL0        0x02
66 #define QDF_DEBUG_LEVEL1        0x04
67 #define QDF_DEBUG_LEVEL2        0x08
68 #define QDF_DEBUG_LEVEL3        0x10
69 #define QDF_DEBUG_ERROR         0x20
70 #define QDF_DEBUG_CFG           0x40
71 
72 
73 /* DP Trace Implementation */
74 #ifdef CONFIG_DP_TRACE
75 #define DPTRACE(p) p
76 #else
77 #define DPTRACE(p)
78 #endif
79 
80 /* By default Data Path module will have all log levels enabled, except debug
81  * log level. Debug level will be left up to the framework or user space modules
82  * to be enabled when issue is detected
83  */
84 #define QDF_DATA_PATH_TRACE_LEVEL \
85 	((1 << QDF_TRACE_LEVEL_FATAL) | (1 << QDF_TRACE_LEVEL_ERROR) | \
86 	(1 << QDF_TRACE_LEVEL_WARN) | (1 << QDF_TRACE_LEVEL_INFO) | \
87 	(1 << QDF_TRACE_LEVEL_INFO_HIGH) | (1 << QDF_TRACE_LEVEL_INFO_MED) | \
88 	(1 << QDF_TRACE_LEVEL_INFO_LOW))
89 
90 /* Preprocessor definitions and constants */
91 #define ASSERT_BUFFER_SIZE (512)
92 
93 #define QDF_TRACE_DEFAULT_PDEV_ID 0xff
94 #define MAX_QDF_TRACE_RECORDS 4000
95 #define INVALID_QDF_TRACE_ADDR 0xffffffff
96 #define DEFAULT_QDF_TRACE_DUMP_COUNT 0
97 
98 /*
99  * first parameter to iwpriv command - dump_dp_trace
100  * iwpriv wlan0 dump_dp_trace 0 0 -> dump full buffer
101  * iwpriv wlan0 dump_dp_trace 1 0 -> enable live view mode
102  * iwpriv wlan0 dump_dp_trace 2 0 -> clear dp trace buffer
103  * iwpriv wlan0 dump_dp_trace 3 0 -> disable live view mode
104  */
105 #define DUMP_DP_TRACE			0
106 #define ENABLE_DP_TRACE_LIVE_MODE	1
107 #define CLEAR_DP_TRACE_BUFFER		2
108 #define DISABLE_DP_TRACE_LIVE_MODE	3
109 
110 
111 #ifdef TRACE_RECORD
112 
113 #define MTRACE(p) p
114 
115 #else
116 #define MTRACE(p) do { } while (0)
117 
118 #endif
119 #define NO_SESSION 0xFF
120 
121 /**
122  * typedef struct qdf_trace_record_s - keep trace record
123  * @qtime: qtimer ticks
124  * @time: user timestamp
125  * @module: module name
126  * @code: hold record of code
127  * @session: hold record of session
128  * @data: hold data
129  * @pid: hold pid of the process
130  */
131 typedef struct qdf_trace_record_s {
132 	uint64_t qtime;
133 	char time[18];
134 	uint8_t module;
135 	uint8_t code;
136 	uint16_t session;
137 	uint32_t data;
138 	uint32_t pid;
139 } qdf_trace_record_t, *tp_qdf_trace_record;
140 
141 /**
142  * typedef struct s_qdf_trace_data - MTRACE logs are stored in ring buffer
143  * @head: position of first record
144  * @tail: position of last record
145  * @num: count of total record
146  * @num_since_last_dump: count from last dump
147  * @enable: config for controlling the trace
148  * @dump_count: Dump after number of records reach this number
149  */
150 typedef struct s_qdf_trace_data {
151 	uint32_t head;
152 	uint32_t tail;
153 	uint32_t num;
154 	uint16_t num_since_last_dump;
155 	uint8_t enable;
156 	uint16_t dump_count;
157 } t_qdf_trace_data;
158 
159 #define CASE_RETURN_STRING(str) case ((str)): return (uint8_t *)(# str);
160 
161 
162 #define MAX_QDF_DP_TRACE_RECORDS       4000
163 #define QDF_DP_TRACE_RECORD_SIZE       16
164 #define INVALID_QDF_DP_TRACE_ADDR      0xffffffff
165 #define QDF_DP_TRACE_VERBOSITY_HIGH    3
166 #define QDF_DP_TRACE_VERBOSITY_MEDIUM  2
167 #define QDF_DP_TRACE_VERBOSITY_LOW     1
168 #define QDF_DP_TRACE_VERBOSITY_BASE    0
169 
170 /**
171  * enum QDF_DP_TRACE_ID - Generic ID to identify various events in data path
172  * @QDF_DP_TRACE_INVALID - invalid
173  * @QDF_DP_TRACE_DROP_PACKET_RECORD - record drop packet
174  * @QDF_DP_TRACE_EAPOL_PACKET_RECORD - record EAPOL packet
175  * @QDF_DP_TRACE_DHCP_PACKET_RECORD - record DHCP packet
176  * @QDF_DP_TRACE_ARP_PACKET_RECORD - record ARP packet
177  * @QDF_DP_TRACE_MGMT_PACKET_RECORD - record MGMT pacekt
178  * @QDF_DP_TRACE_ICMP_PACKET_RECORD - record ICMP packet
179  * @QDF_DP_TRACE_ICMPv6_PACKET_RECORD - record ICMPv6 packet
180  * QDF_DP_TRACE_EVENT_RECORD - record events
181  * @QDF_DP_TRACE_BASE_VERBOSITY - below this are part of base verbosity
182  * @QDF_DP_TRACE_ICMP_PACKET_RECORD - record ICMP packets
183  * @QDF_DP_TRACE_HDD_TX_PACKET_RECORD - record 32 bytes of tx pkt at HDD
184  * @QDF_DP_TRACE_HDD_RX_PACKET_RECORD - record 32 bytes of rx pkt at HDD
185  * @QDF_DP_TRACE_HDD_TX_TIMEOUT - HDD tx timeout
186  * @QDF_DP_TRACE_HDD_SOFTAP_TX_TIMEOUT- SOFTAP HDD tx timeout
187  * @QDF_DP_TRACE_FREE_PACKET_PTR_RECORD - tx completion ptr record
188  * @QDF_DP_TRACE_LOW_VERBOSITY - below this are part of low verbosity
189  * @QDF_DP_TRACE_HDD_TX_PACKET_PTR_RECORD - HDD layer ptr record
190  * @QDF_DP_TRACE_LI_DP_TX_PACKET_PTR_RECORD - Lithium DP layer ptr record
191  * @QDF_DP_TRACE_CE_PACKET_PTR_RECORD - CE layer ptr record
192  * @QDF_DP_TRACE_CE_FAST_PACKET_PTR_RECORD- CE fastpath ptr record
193  * @QDF_DP_TRACE_CE_FAST_PACKET_ERR_RECORD- CE fastpath error record
194  * @QDF_DP_TRACE_RX_HTT_PACKET_PTR_RECORD - HTT RX record
195  * @QDF_DP_TRACE_RX_OFFLOAD_HTT_PACKET_PTR_RECORD- HTT RX offload record
196  * @QDF_DP_TRACE_RX_HDD_PACKET_PTR_RECORD - HDD RX record
197  * @QDF_DP_TRACE_RX_LI_DP_PACKET_PTR_RECORD - Lithium DP RX record
198   * @QDF_DP_TRACE_MED_VERBOSITY - below this are part of med verbosity
199  * @QDF_DP_TRACE_TXRX_QUEUE_PACKET_PTR_RECORD -tx queue ptr record
200  * @QDF_DP_TRACE_TXRX_PACKET_PTR_RECORD - txrx packet ptr record
201  * @QDF_DP_TRACE_TXRX_FAST_PACKET_PTR_RECORD - txrx fast path record
202  * @QDF_DP_TRACE_HTT_PACKET_PTR_RECORD - htt packet ptr record
203  * @QDF_DP_TRACE_HTC_PACKET_PTR_RECORD - htc packet ptr record
204  * @QDF_DP_TRACE_HIF_PACKET_PTR_RECORD - hif packet ptr record
205  * @QDF_DP_TRACE_RX_TXRX_PACKET_PTR_RECORD - txrx packet ptr record
206  * @QDF_DP_TRACE_LI_DP_TX_PACKET_RECORD - record 32 bytes of tx pkt at LI_DP
207  * @QDF_DP_TRACE_LI_DP_RX_PACKET_RECORD - record 32 bytes of rx pkt at LI_DP
208  * @QDF_DP_TRACE_LI_DP_NULL_RX_PACKET_RECORD
209  *		- record 32 bytes of rx null_queue pkt at LI_DP
210  * @QDF_DP_TRACE_HIGH_VERBOSITY - below this are part of high verbosity
211  */
212 enum  QDF_DP_TRACE_ID {
213 	QDF_DP_TRACE_INVALID,
214 	QDF_DP_TRACE_DROP_PACKET_RECORD,
215 	QDF_DP_TRACE_EAPOL_PACKET_RECORD,
216 	QDF_DP_TRACE_DHCP_PACKET_RECORD,
217 	QDF_DP_TRACE_ARP_PACKET_RECORD,
218 	QDF_DP_TRACE_MGMT_PACKET_RECORD,
219 	QDF_DP_TRACE_EVENT_RECORD,
220 	QDF_DP_TRACE_BASE_VERBOSITY,
221 	QDF_DP_TRACE_ICMP_PACKET_RECORD,
222 	QDF_DP_TRACE_ICMPv6_PACKET_RECORD,
223 	QDF_DP_TRACE_HDD_TX_PACKET_RECORD,
224 	QDF_DP_TRACE_HDD_RX_PACKET_RECORD,
225 	QDF_DP_TRACE_HDD_TX_TIMEOUT,
226 	QDF_DP_TRACE_HDD_SOFTAP_TX_TIMEOUT,
227 	QDF_DP_TRACE_FREE_PACKET_PTR_RECORD,
228 	QDF_DP_TRACE_LOW_VERBOSITY,
229 	QDF_DP_TRACE_HDD_TX_PACKET_PTR_RECORD,
230 	QDF_DP_TRACE_LI_DP_TX_PACKET_PTR_RECORD,
231 	QDF_DP_TRACE_RX_HDD_PACKET_PTR_RECORD,
232 	QDF_DP_TRACE_CE_PACKET_PTR_RECORD,
233 	QDF_DP_TRACE_CE_FAST_PACKET_PTR_RECORD,
234 	QDF_DP_TRACE_CE_FAST_PACKET_ERR_RECORD,
235 	QDF_DP_TRACE_RX_HTT_PACKET_PTR_RECORD,
236 	QDF_DP_TRACE_RX_OFFLOAD_HTT_PACKET_PTR_RECORD,
237 	QDF_DP_TRACE_RX_LI_DP_PACKET_PTR_RECORD,
238 	QDF_DP_TRACE_MED_VERBOSITY,
239 	QDF_DP_TRACE_TXRX_QUEUE_PACKET_PTR_RECORD,
240 	QDF_DP_TRACE_TXRX_PACKET_PTR_RECORD,
241 	QDF_DP_TRACE_TXRX_FAST_PACKET_PTR_RECORD,
242 	QDF_DP_TRACE_HTT_PACKET_PTR_RECORD,
243 	QDF_DP_TRACE_HTC_PACKET_PTR_RECORD,
244 	QDF_DP_TRACE_HIF_PACKET_PTR_RECORD,
245 	QDF_DP_TRACE_RX_TXRX_PACKET_PTR_RECORD,
246 	QDF_DP_TRACE_LI_DP_TX_PACKET_RECORD,
247 	QDF_DP_TRACE_LI_DP_RX_PACKET_RECORD,
248 	QDF_DP_TRACE_LI_DP_NULL_RX_PACKET_RECORD,
249 	QDF_DP_TRACE_HIGH_VERBOSITY,
250 	QDF_DP_TRACE_MAX
251 };
252 
253 /**
254  * qdf_proto_dir - direction
255  * @QDF_TX: TX direction
256  * @QDF_RX: RX direction
257  * @QDF_NA: not applicable
258  */
259 enum qdf_proto_dir {
260 	QDF_TX,
261 	QDF_RX,
262 	QDF_NA
263 };
264 
265 /**
266  * struct qdf_dp_trace_ptr_buf - pointer record buffer
267  * @cookie: cookie value
268  * @msdu_id: msdu_id
269  * @status: completion status
270  */
271 struct qdf_dp_trace_ptr_buf {
272 	uint64_t cookie;
273 	uint16_t msdu_id;
274 	uint16_t status;
275 };
276 
277 /**
278  * struct qdf_dp_trace_proto_buf - proto packet buffer
279  * @sa: source address
280  * @da: destination address
281  * @vdev_id : vdev id
282  * @type: packet type
283  * @subtype: packet subtype
284  * @dir: direction
285  */
286 struct qdf_dp_trace_proto_buf {
287 	struct qdf_mac_addr sa;
288 	struct qdf_mac_addr da;
289 	uint8_t vdev_id;
290 	uint8_t type;
291 	uint8_t subtype;
292 	uint8_t dir;
293 };
294 
295 /**
296  * struct qdf_dp_trace_mgmt_buf - mgmt packet buffer
297  * @vdev_id : vdev id
298  * @type: packet type
299  * @subtype: packet subtype
300  */
301 struct qdf_dp_trace_mgmt_buf {
302 	uint8_t vdev_id;
303 	uint8_t type;
304 	uint8_t subtype;
305 };
306 
307 /**
308  * struct qdf_dp_trace_event_buf - event buffer
309  * @vdev_id : vdev id
310  * @type: packet type
311  * @subtype: packet subtype
312  */
313 struct qdf_dp_trace_event_buf {
314 	uint8_t vdev_id;
315 	uint8_t type;
316 	uint8_t subtype;
317 };
318 
319 /**
320  * struct qdf_dp_trace_record_s - Describes a record in DP trace
321  * @time: time when it got stored
322  * @code: Describes the particular event
323  * @data: buffer to store data
324  * @size: Length of the valid data stored in this record
325  * @pid : process id which stored the data in this record
326  */
327 struct qdf_dp_trace_record_s {
328 	char time[20];
329 	uint8_t code;
330 	uint8_t data[QDF_DP_TRACE_RECORD_SIZE];
331 	uint8_t size;
332 	uint32_t pid;
333 	uint8_t pdev_id;
334 };
335 
336 /**
337  * struct qdf_dp_trace_data - Parameters to configure/control DP trace
338  * @head: Position of first record
339  * @tail: Position of last record
340  * @num:  Current index
341  * @proto_bitmap: defines which protocol to be traced
342  * @no_of_record: defines every nth packet to be traced
343  * @verbosity : defines verbosity level
344  * @enable: enable/disable DP trace
345  * @count: current packet number
346  * @live_mode_config: configuration as received during initialization
347  * @live_mode: current live mode, enabled or disabled.
348  * @print_pkt_cnt: count of number of packets printed in live mode
349  * @high_tput_thresh: thresh beyond which live mode is turned off
350  * @thresh_time_limit: max time, in terms of BW timer intervals to wait,
351  *          for determining if high_tput_thresh has been crossed. ~1s
352  * @arp_req: stats for arp reqs
353  * @arp_resp: stats for arp resps
354  * @icmp_req: stats for icmp reqs
355  * @icmp_resp: stats for icmp resps
356  * @dhcp_disc: stats for dhcp discover msgs
357  * @dhcp_req: stats for dhcp req msgs
358  * @dhcp_off: stats for dhcp offer msgs
359  * @dhcp_ack: stats for dhcp ack msgs
360  * @dhcp_nack: stats for dhcp nack msgs
361  * @dhcp_others: stats for other dhcp pkts types
362  * @eapol_m1: stats for eapol m1
363  * @eapol_m2: stats for eapol m2
364  * @eapol_m3: stats for eapol m3
365  * @eapol_m4: stats for eapol m4
366  * @eapol_others: stats for other eapol pkt types
367  * @icmpv6_req: stats for icmpv6 reqs
368  * @icmpv6_resp: stats for icmpv6 resps
369  * @icmpv6_ns: stats for icmpv6 nss
370  * @icmpv6_na: stats for icmpv6 nas
371  * @icmpv6_rs: stats for icmpv6 rss
372  * @icmpv6_ra: stats for icmpv6 ras
373  */
374 struct s_qdf_dp_trace_data {
375 	uint32_t head;
376 	uint32_t tail;
377 	uint32_t num;
378 	uint8_t proto_bitmap;
379 	uint8_t no_of_record;
380 	uint8_t verbosity;
381 	bool enable;
382 	bool live_mode_config;
383 	bool live_mode;
384 	uint8_t print_pkt_cnt;
385 	uint8_t high_tput_thresh;
386 	uint16_t thresh_time_limit;
387 	/* Stats */
388 	uint32_t tx_count;
389 	uint32_t rx_count;
390 	u16 arp_req;
391 	u16 arp_resp;
392 	u16 dhcp_disc;
393 	u16 dhcp_req;
394 	u16 dhcp_off;
395 	u16 dhcp_ack;
396 	u16 dhcp_nack;
397 	u16 dhcp_others;
398 	u16 eapol_m1;
399 	u16 eapol_m2;
400 	u16 eapol_m3;
401 	u16 eapol_m4;
402 	u16 eapol_others;
403 	u16 icmp_req;
404 	u16 icmp_resp;
405 	u16 icmpv6_req;
406 	u16 icmpv6_resp;
407 	u16 icmpv6_ns;
408 	u16 icmpv6_na;
409 	u16 icmpv6_rs;
410 	u16 icmpv6_ra;
411 };
412 
413 
414 /* Function declarations and documenation */
415 
416 /**
417  * qdf_trace_set_level() - Set the trace level for a particular module
418  * @level : trace level
419  *
420  * Trace level is a member of the QDF_TRACE_LEVEL enumeration indicating
421  * the severity of the condition causing the trace message to be issued.
422  * More severe conditions are more likely to be logged.
423  *
424  * This is an external API that allows trace levels to be set for each module.
425  *
426  * Return:  nothing
427  */
428 void qdf_trace_set_level(QDF_MODULE_ID module, QDF_TRACE_LEVEL level);
429 
430 /**
431  * qdf_trace_get_level() - get the trace level
432  * @level : trace level
433  *
434  * This is an external API that returns a bool value to signify if a
435  * particular trace level is set for the specified module.
436  * A member of the QDF_TRACE_LEVEL enumeration indicating the severity
437  * of the condition causing the trace message to be issued.
438  *
439  * Note that individual trace levels are the only valid values
440  * for this API.  QDF_TRACE_LEVEL_NONE and QDF_TRACE_LEVEL_ALL
441  * are not valid input and will return false
442  *
443  * Return:
444  *  false - the specified trace level for the specified module is OFF
445  *  true - the specified trace level for the specified module is ON
446  */
447 bool qdf_trace_get_level(QDF_MODULE_ID module, QDF_TRACE_LEVEL level);
448 
449 typedef void (*tp_qdf_trace_cb)(void *p_mac, tp_qdf_trace_record, uint16_t);
450 typedef void (*tp_qdf_state_info_cb) (char **buf, uint16_t *size);
451 void qdf_register_debugcb_init(void);
452 void qdf_register_debug_callback(QDF_MODULE_ID module_id,
453 					tp_qdf_state_info_cb qdf_state_infocb);
454 QDF_STATUS qdf_state_info_dump_all(char *buf, uint16_t size,
455 			uint16_t *driver_dump_size);
456 #ifdef TRACE_RECORD
457 void qdf_trace_register(QDF_MODULE_ID, tp_qdf_trace_cb);
458 void qdf_trace_init(void);
459 void qdf_trace(uint8_t module, uint8_t code, uint16_t session, uint32_t data);
460 void qdf_trace_enable(uint32_t, uint8_t enable);
461 void qdf_trace_dump_all(void *, uint8_t, uint8_t, uint32_t, uint32_t);
462 QDF_STATUS qdf_trace_spin_lock_init(void);
463 #else
464 #ifdef CONFIG_MCL
465 static inline
466 void qdf_trace_init(void)
467 {
468 }
469 
470 static inline
471 void qdf_trace_enable(uint32_t bitmask_of_module_id, uint8_t enable)
472 {
473 }
474 static inline
475 void qdf_trace(uint8_t module, uint8_t code, uint16_t session, uint32_t data)
476 {
477 }
478 
479 static inline
480 void qdf_trace_dump_all(void *p_mac, uint8_t code, uint8_t session,
481 			uint32_t count, uint32_t bitmask_of_module)
482 {
483 }
484 
485 static inline
486 QDF_STATUS qdf_trace_spin_lock_init(void)
487 {
488 	return QDF_STATUS_E_INVAL;
489 }
490 #endif
491 #endif
492 
493 #ifdef CONFIG_DP_TRACE
494 void qdf_dp_set_proto_bitmap(uint32_t val);
495 void qdf_dp_trace_set_verbosity(uint32_t val);
496 void qdf_dp_set_no_of_record(uint32_t val);
497 bool qdf_dp_trace_log_pkt(uint8_t session_id, struct sk_buff *skb,
498 				enum qdf_proto_dir dir, uint8_t pdev_id);
499 void qdf_dp_trace_init(bool live_mode_config, uint8_t thresh,
500 				uint16_t time_limit, uint8_t verbosity,
501 				uint8_t proto_bitmap);
502 void qdf_dp_trace_spin_lock_init(void);
503 void qdf_dp_trace_set_value(uint8_t proto_bitmap, uint8_t no_of_records,
504 			 uint8_t verbosity);
505 void qdf_dp_trace_set_track(qdf_nbuf_t nbuf, enum qdf_proto_dir dir);
506 void qdf_dp_trace(qdf_nbuf_t nbuf, enum QDF_DP_TRACE_ID code, uint8_t pdev_id,
507 			uint8_t *data, uint8_t size, enum qdf_proto_dir dir);
508 void qdf_dp_trace_dump_all(uint32_t count, uint8_t pdev_id);
509 /**
510  * qdf_dp_trace_dump_stats() - dump DP Trace stats
511  *
512  * Return: none
513  */
514 void qdf_dp_trace_dump_stats(void);
515 typedef void (*tp_qdf_dp_trace_cb)(struct qdf_dp_trace_record_s*,
516 					uint16_t, uint8_t, bool live);
517 void qdf_dp_display_record(struct qdf_dp_trace_record_s *record,
518 					uint16_t index, uint8_t pdev_id, bool live);
519 void qdf_dp_trace_ptr(qdf_nbuf_t nbuf, enum QDF_DP_TRACE_ID code,
520 	uint8_t pdev_id, uint8_t *data, uint8_t size, uint16_t msdu_id,
521 	uint16_t status);
522 void qdf_dp_trace_throttle_live_mode(bool high_bw_request);
523 void qdf_dp_display_ptr_record(struct qdf_dp_trace_record_s *pRecord,
524 				uint16_t recIndex, uint8_t pdev_id, bool live);
525 void qdf_dp_display_proto_pkt(struct qdf_dp_trace_record_s *record,
526 					 uint16_t index, uint8_t pdev_id, bool live);
527 uint8_t qdf_dp_get_proto_bitmap(void);
528 uint8_t qdf_dp_get_verbosity(void);
529 uint8_t qdf_dp_get_no_of_record(void);
530 void
531 qdf_dp_trace_proto_pkt(enum QDF_DP_TRACE_ID code, uint8_t vdev_id,
532 	uint8_t *sa, uint8_t *da, enum qdf_proto_type type,
533 	enum qdf_proto_subtype subtype, enum qdf_proto_dir dir,
534 	uint8_t pdev_id, bool print);
535 void qdf_dp_trace_disable_live_mode(void);
536 void qdf_dp_trace_enable_live_mode(void);
537 void qdf_dp_trace_clear_buffer(void);
538 void qdf_dp_trace_mgmt_pkt(enum QDF_DP_TRACE_ID code, uint8_t vdev_id,
539 	uint8_t pdev_id, enum qdf_proto_type type,
540 	enum qdf_proto_subtype subtype);
541 void qdf_dp_display_mgmt_pkt(struct qdf_dp_trace_record_s *record,
542 			      uint16_t index, uint8_t pdev_id,  bool live);
543 void qdf_dp_display_event_record(struct qdf_dp_trace_record_s *record,
544 			      uint16_t index, uint8_t pdev_id, bool live);
545 void qdf_dp_trace_record_event(enum QDF_DP_TRACE_ID code, uint8_t vdev_id,
546 	uint8_t pdev_id, enum qdf_proto_type type,
547 	enum qdf_proto_subtype subtype);
548 #else
549 static inline
550 bool qdf_dp_trace_log_pkt(uint8_t session_id, struct sk_buff *skb,
551 				enum qdf_proto_dir dir, uint8_t pdev_id)
552 {
553 	return false;
554 }
555 static inline
556 void qdf_dp_trace_init(bool live_mode_config, uint8_t thresh,
557 				uint16_t time_limit, uint8_t verbosity,
558 				uint8_t proto_bitmap)
559 {
560 }
561 static inline
562 void qdf_dp_trace_set_track(qdf_nbuf_t nbuf, enum qdf_proto_dir dir)
563 {
564 }
565 static inline
566 void qdf_dp_trace_set_value(uint8_t proto_bitmap, uint8_t no_of_records,
567 			 uint8_t verbosity)
568 {
569 }
570 static inline
571 void qdf_dp_trace_dump_all(uint32_t count, uint8_t pdev_id)
572 {
573 }
574 
575 static inline void qdf_dp_trace_dump_stats(void)
576 {
577 }
578 
579 static inline
580 void qdf_dp_trace_disable_live_mode(void)
581 {
582 }
583 
584 static inline
585 void qdf_dp_trace_enable_live_mode(void)
586 {
587 }
588 
589 static inline
590 void qdf_dp_trace_throttle_live_mode(bool high_bw_request)
591 {
592 }
593 
594 static inline
595 void qdf_dp_trace_clear_buffer(void)
596 {
597 }
598 
599 #endif
600 
601 
602 
603 void qdf_trace_display(void);
604 
605 void qdf_trace_set_value(QDF_MODULE_ID module, QDF_TRACE_LEVEL level,
606 			 uint8_t on);
607 
608 void qdf_trace_set_module_trace_level(QDF_MODULE_ID module, uint32_t level);
609 
610 void __printf(3, 4) qdf_snprintf(char *str_buffer, unsigned int size,
611 		  char *str_format, ...);
612 
613 #define QDF_SNPRINTF qdf_snprintf
614 
615 #ifdef TSOSEG_DEBUG
616 
617 static inline void qdf_tso_seg_dbg_bug(char *msg)
618 {
619 	qdf_print("%s", msg);
620 	QDF_BUG(0);
621 };
622 
623 /**
624  * qdf_tso_seg_dbg_init - initialize TSO segment debug structure
625  * @tsoseg : structure to initialize
626  *
627  * TSO segment dbg structures are attached to qdf_tso_seg_elem_t
628  * structures and are allocated only of TSOSEG_DEBUG is defined.
629  * When allocated, at the time of the tso_seg_pool initialization,
630  * which goes with tx_desc initialization (1:1), each structure holds
631  * a number of (currently 16) history entries, basically describing
632  * what operation has been performed on this particular tso_seg_elem.
633  * This history buffer is a circular buffer and the current index is
634  * held in an atomic variable called cur. It is incremented every
635  * operation. Each of these operations are added with the function
636  * qdf_tso_seg_dbg_record.
637  * For each segment, this initialization function MUST be called PRIOR
638  * TO any _dbg_record() function calls.
639  * On free, qdf_tso_seg_elem structure is cleared (using qdf_tso_seg_dbg_zero)
640  * which clears the tso_desc, BUT DOES NOT CLEAR THE HISTORY element.
641  *
642  * Return:
643  *   None
644  */
645 static inline
646 void qdf_tso_seg_dbg_init(struct qdf_tso_seg_elem_t *tsoseg)
647 {
648 	tsoseg->dbg.txdesc = NULL;
649 	qdf_atomic_init(&tsoseg->dbg.cur); /* history empty */
650 }
651 
652 /**
653  * qdf_tso_seg_dbg_record - add a history entry to TSO debug structure
654  * @tsoseg : structure to initialize
655  * @id     : operation ID (identifies the caller)
656  *
657  * Adds a history entry to the history circular buffer. Each entry
658  * contains an operation id (caller, as currently each ID is used only
659  * once in the source, so it directly identifies the src line that invoked
660  * the recording.
661  *
662  * qdf_tso_seg_dbg_record CAN ONLY BE CALLED AFTER the entry is initialized
663  * by qdf_tso_seg_dbg_init.
664  *
665  * The entry to be added is written at the location pointed by the atomic
666  * variable called cur. Cur is an ever increasing atomic variable. It is
667  * masked so that only the lower 4 bits are used (16 history entries).
668  *
669  * Return:
670  *   int: the entry this record was recorded at
671  */
672 static inline
673 int qdf_tso_seg_dbg_record(struct qdf_tso_seg_elem_t *tsoseg, short id)
674 {
675 	int rc = -1;
676 	unsigned int c;
677 
678 	qdf_assert(tsoseg);
679 
680 	if (id == TSOSEG_LOC_ALLOC) {
681 		c = qdf_atomic_read(&tsoseg->dbg.cur);
682 		/* dont crash on the very first alloc on the segment */
683 		c &= 0x0f;
684 		/* allow only INIT and FREE ops before ALLOC */
685 		if (tsoseg->dbg.h[c].id >= id)
686 			qdf_tso_seg_dbg_bug("Rogue TSO seg alloc");
687 	}
688 	c = qdf_atomic_inc_return(&tsoseg->dbg.cur);
689 
690 	c &= 0x0f;
691 	tsoseg->dbg.h[c].ts = qdf_get_log_timestamp();
692 	tsoseg->dbg.h[c].id = id;
693 	rc = c;
694 
695 	return rc;
696 };
697 
698 static inline void
699 qdf_tso_seg_dbg_setowner(struct qdf_tso_seg_elem_t *tsoseg, void *owner)
700 {
701 	if (tsoseg)
702 		tsoseg->dbg.txdesc = owner;
703 };
704 
705 static inline void
706 qdf_tso_seg_dbg_zero(struct qdf_tso_seg_elem_t *tsoseg)
707 {
708 	memset(tsoseg, 0, offsetof(struct qdf_tso_seg_elem_t, dbg));
709 	return;
710 };
711 
712 #else
713 static inline
714 void qdf_tso_seg_dbg_init(struct qdf_tso_seg_elem_t *tsoseg)
715 {
716 };
717 static inline
718 int qdf_tso_seg_dbg_record(struct qdf_tso_seg_elem_t *tsoseg, short id)
719 {
720 	return 0;
721 };
722 static inline void qdf_tso_seg_dbg_bug(char *msg)
723 {
724 };
725 static inline void
726 qdf_tso_seg_dbg_setowner(struct qdf_tso_seg_elem_t *tsoseg, void *owner)
727 {
728 };
729 static inline int
730 qdf_tso_seg_dbg_zero(struct qdf_tso_seg_elem_t *tsoseg)
731 {
732 	memset(tsoseg, 0, sizeof(struct qdf_tso_seg_elem_t));
733 	return 0;
734 };
735 
736 #endif /* TSOSEG_DEBUG */
737 
738 void qdf_trace_hex_dump(QDF_MODULE_ID module, QDF_TRACE_LEVEL level,
739 			void *data, int buf_len);
740 
741 #define ERROR_CODE                      -1
742 #define QDF_MAX_NAME_SIZE               32
743 #define MAX_PRINT_CONFIG_SUPPORTED      32
744 
745 #define MAX_SUPPORTED_CATEGORY QDF_MODULE_ID_MAX
746 
747 /**
748  * qdf_set_pidx() - Sets the global qdf_pidx.
749  * @pidx : Index of print control object assigned to the module
750  *
751  */
752 void qdf_set_pidx(int pidx);
753 
754 /**
755  * qdf_get_pidx() - Returns the global qdf_pidx.
756  *
757  * Return : Current qdf print index.
758  */
759 int qdf_get_pidx(void);
760 /*
761  * Shared print control index
762  * for converged debug framework
763  */
764 
765 #define QDF_PRINT_IDX_SHARED -1
766 
767 /**
768  * QDF_PRINT_INFO() - Generic wrapper API for logging
769  * @idx : Index of print control object
770  * @module : Module identifier. A member of QDF_MODULE_ID enumeration that
771  *           identifies the module issuing the trace message
772  * @level : Trace level. A member of QDF_TRACE_LEVEL enumeration indicating
773  *          the severity of the condition causing the trace message to be
774  *          issued.
775  * @str_format : Format string that contains the message to be logged.
776  *
777  *
778  * This wrapper will be used for any generic logging messages. Wrapper will
779  * compile a call to converged QDF trace message API.
780  *
781  * Return : Nothing
782  *
783  */
784 void QDF_PRINT_INFO(unsigned int idx, QDF_MODULE_ID module,
785 		    QDF_TRACE_LEVEL level,
786 		    char *str_format, ...);
787 
788 /**
789  * struct category_info  : Category information structure
790  * @category_verbose_mask: Embeds information about category's verbose level
791  */
792 struct category_info {
793 	uint16_t category_verbose_mask;
794 };
795 
796 /**
797  * struct category_name_info  : Category name information structure
798  * @category_name_str: Embeds information about category name
799  */
800 struct category_name_info {
801 	unsigned char category_name_str[QDF_MAX_NAME_SIZE];
802 };
803 
804 /**
805  * qdf_trace_msg_cmn()- Converged logging API
806  * @idx: Index of print control object assigned to the module
807  * @category: Category identifier. A member of the QDF_MODULE_ID enumeration
808  *            that identifies the category issuing the trace message.
809  * @verbose: Verbose level. A member of the QDF_TRACE_LEVEL enumeration
810  *           indicating the severity of the condition causing the trace
811  *           message to be issued. More severe conditions are more likely
812  *           to be logged.
813  * @str_format: Format string. The message to be logged. This format string
814  *              contains printf-like replacement parameters, which follow this
815  *              parameter in the variable argument list.
816  * @val: Variable argument list part of the log message
817  *
818  * Return: nothing
819  *
820  */
821 void qdf_trace_msg_cmn(unsigned int idx,
822 			QDF_MODULE_ID category,
823 			QDF_TRACE_LEVEL verbose,
824 			const char *str_format,
825 			va_list val);
826 
827 /**
828  * struct qdf_print_ctrl: QDF Print Control structure
829  *                        Statically allocated objects of print control
830  *                        structure are declared that will support maximum of
831  *                        32 print control objects. Any module that needs to
832  *                        register to the print control framework needs to
833  *                        obtain a print control object using
834  *                        qdf_print_ctrl_register API. It will have to pass
835  *                        pointer to category info structure, name and
836  *                        custom print function to be used if required.
837  * @name                : Optional name for the control object
838  * @cat_info            : Array of category_info struct
839  * @custom_print        : Custom print handler
840  * @custom_ctxt         : Custom print context
841  * @dbglvlmac_on        : Flag to enable/disable MAC level filtering
842  * @in_use              : Boolean to indicate if control object is in use
843  */
844 struct qdf_print_ctrl {
845 	char name[QDF_MAX_NAME_SIZE];
846 	struct category_info cat_info[MAX_SUPPORTED_CATEGORY];
847 	void (*custom_print)(void *ctxt, const char *fmt, va_list args);
848 	void *custom_ctxt;
849 #ifdef DBG_LVL_MAC_FILTERING
850 	unsigned char dbglvlmac_on;
851 #endif
852 	bool in_use;
853 };
854 
855 /**
856  * qdf_print_ctrl_register() - Allocate QDF print control object, assign
857  *                             pointer to category info or print control
858  *                             structure and return the index to the callee
859  * @cinfo                 : Pointer to array of category info structure
860  * @custom_print_handler  : Pointer to custom print handler
861  * @custom_ctx            : Pointer to custom context
862  * @pctrl_name            : Pointer to print control object name
863  *
864  * Return                 : Index of qdf_print_ctrl structure
865  *
866  */
867 int qdf_print_ctrl_register(const struct category_info *cinfo,
868 			    void *custom_print_handler,
869 			    void *custom_ctx,
870 			    const char *pctrl_name);
871 
872 /**
873  * qdf_shared_print_ctrl_init() - Initialize the shared print ctrl obj with
874  *                                all categories set to the default level
875  *
876  * Return                 : void
877  *
878  */
879 void qdf_shared_print_ctrl_init(void);
880 
881 /**
882  * qdf_print_setup() - Setup default values to all the print control objects
883  *
884  * Register new print control object for the callee
885  *
886  * Return :             QDF_STATUS_SUCCESS on success and QDF_STATUS_E_FAILURE
887  *                      on failure
888  */
889 QDF_STATUS qdf_print_setup(void);
890 
891 /**
892  * qdf_print_ctrl_cleanup() - Clean up a print control object
893  *
894  * Cleanup the print control object for the callee
895  *
896  * @pctrl : Index of print control object
897  *
898  * Return : QDF_STATUS_SUCCESS on success and QDF_STATUS_E_FAILURE on failure
899  */
900 QDF_STATUS qdf_print_ctrl_cleanup(unsigned int idx);
901 
902 /**
903  * qdf_print_ctrl_shared_cleanup() - Clean up of the shared object
904  *
905  * Cleanup the shared print-ctrl-object
906  *
907  * Return : void
908  */
909 void qdf_shared_print_ctrl_cleanup(void);
910 
911 /**
912  * qdf_print_set_category_verbose() - Enable/Disable category for a
913  *                                    print control object with
914  *                                    user provided verbose level
915  *
916  * @idx : Index of the print control object assigned to callee
917  * @category : Category information
918  * @verbose: Verbose information
919  * @is_set: Flag indicating if verbose level needs to be enabled or disabled
920  *
921  * Return : QDF_STATUS_SUCCESS for success and QDF_STATUS_E_FAILURE for failure
922  */
923 QDF_STATUS qdf_print_set_category_verbose(unsigned int idx,
924 					  QDF_MODULE_ID category,
925 					  QDF_TRACE_LEVEL verbose,
926 					  bool is_set);
927 
928 /**
929  * qdf_print_is_category_enabled() - Get category information for the
930  *                                   print control object
931  *
932  * @idx : Index of print control object
933  * @category : Category information
934  *
935  * Return : Verbose enabled(true) or disabled(false) or invalid input (false)
936  */
937 bool qdf_print_is_category_enabled(unsigned int idx,
938 				   QDF_MODULE_ID category);
939 
940 /**
941  * qdf_print_is_verbose_enabled() - Get verbose information of a category for
942  *                                  the print control object
943  *
944  * @idx : Index of print control object
945  * @category : Category information
946  * @verbose : Verbose information
947  *
948  * Return : Verbose enabled(true) or disabled(false) or invalid input (false)
949  */
950 bool qdf_print_is_verbose_enabled(unsigned int idx,
951 				  QDF_MODULE_ID category,
952 				  QDF_TRACE_LEVEL verbose);
953 
954 /**
955  * qdf_print_clean_node_flag() - Clean up node flag for print control object
956  *
957  * @idx : Index of print control object
958  *
959  * Return : None
960  */
961 void qdf_print_clean_node_flag(unsigned int idx);
962 
963 #ifdef DBG_LVL_MAC_FILTERING
964 
965 /**
966  * qdf_print_set_node_flag() - Set flag to enable MAC level filtering
967  *
968  * @idx : Index of print control object
969  * @enable : Enable/Disable bit sent by callee
970  *
971  * Return : QDF_STATUS_SUCCESS on Success and QDF_STATUS_E_FAILURE on Failure
972  */
973 QDF_STATUS qdf_print_set_node_flag(unsigned int idx,
974 				   uint8_t enable);
975 
976 /**
977  * qdf_print_get_node_flag() - Get flag that controls MAC level filtering
978  *
979  * @idx : Index of print control object
980  *
981  * Return : Flag that indicates enable(1) or disable(0) or invalid(-1)
982  */
983 bool qdf_print_get_node_flag(unsigned int idx);
984 
985 #endif
986 
987 /**
988  * qdf_logging_init() - Initialize msg logging functionality
989  *
990  *
991  * Return : void
992  */
993 void qdf_logging_init(void);
994 
995 /**
996  * qdf_logging_exit() - Cleanup msg logging functionality
997  *
998  *
999  * Return : void
1000  */
1001 void qdf_logging_exit(void);
1002 
1003 #define QDF_SYMBOL_LEN __QDF_SYMBOL_LEN
1004 
1005 /**
1006  * qdf_sprint_symbol() - prints the name of a symbol into a string buffer
1007  * @buffer: the string buffer to print into
1008  * @addr: address of the symbol to lookup and print
1009  *
1010  * Return: number of characters printed
1011  */
1012 int qdf_sprint_symbol(char *buffer, void *addr);
1013 
1014 #endif /* __QDF_TRACE_H */
1015