1  /*
2   * Copyright (c) 2012-2019 The Linux Foundation. All rights reserved.
3   * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
4   *
5   * Permission to use, copy, modify, and/or distribute this software for
6   * any purpose with or without fee is hereby granted, provided that the
7   * above copyright notice and this permission notice appear in all
8   * copies.
9   *
10   * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11   * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12   * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13   * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14   * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15   * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16   * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17   * PERFORMANCE OF THIS SOFTWARE.
18   */
19  
20  #ifndef _PKTLOG_FMT_H_
21  #define _PKTLOG_FMT_H_
22  
23  #if defined(CONNECTIVITY_PKTLOG) || !defined(REMOVE_PKT_LOG)
24  
25  #define CUR_PKTLOG_VER          10010   /* Packet log version */
26  #define PKTLOG_MAGIC_NUM        7735225
27  
28  #ifdef __linux__
29  #ifdef MULTI_IF_NAME
30  #define PKTLOG_PROC_DIR "ath_pktlog" MULTI_IF_NAME
31  #define WLANDEV_BASENAME "cld" MULTI_IF_NAME
32  #else
33  #define PKTLOG_PROC_DIR "ath_pktlog"
34  #define WLANDEV_BASENAME "cld"
35  #endif
36  #endif
37  #define PKTLOG_PROC_SYSTEM "system"
38  #ifdef WIN32
39  #pragma pack(push, pktlog_fmt, 1)
40  #define __ATTRIB_PACK
41  #elif defined(__EFI__)
42  #define __ATTRIB_PACK
43  #else
44  #ifndef __ATTRIB_PACK
45  #define __ATTRIB_PACK __attribute__ ((packed))
46  #endif
47  #endif
48  #include <a_types.h>
49  /*
50   * Each packet log entry consists of the following fixed length header
51   * followed by variable length log information determined by log_type
52   */
53  
54  struct ath_pktlog_hdr {
55  	uint16_t flags;
56  	uint16_t missed_cnt;
57  #ifdef HELIUMPLUS
58  	uint8_t log_type;
59  	uint8_t macId;
60  #else
61  	uint16_t log_type;
62  #endif
63  	uint16_t size;
64  	uint32_t timestamp;
65  #ifdef PKTLOG_HAS_SPECIFIC_DATA
66  	uint32_t type_specific_data;
67  #endif
68  } __ATTRIB_PACK;
69  
70  #define ATH_PKTLOG_HDR_FLAGS_MASK 0xffff
71  #define ATH_PKTLOG_HDR_FLAGS_SHIFT 0
72  #define ATH_PKTLOG_HDR_FLAGS_OFFSET 0
73  #define ATH_PKTLOG_HDR_MISSED_CNT_MASK 0xffff0000
74  #define ATH_PKTLOG_HDR_MISSED_CNT_SHIFT 16
75  #define ATH_PKTLOG_HDR_MISSED_CNT_OFFSET 0
76  #ifdef HELIUMPLUS
77  #define ATH_PKTLOG_HDR_LOG_TYPE_MASK 0x00ff
78  #define ATH_PKTLOG_HDR_LOG_TYPE_SHIFT 0
79  #define ATH_PKTLOG_HDR_LOG_TYPE_OFFSET 1
80  #define ATH_PKTLOG_HDR_MAC_ID_MASK 0xff00
81  #define ATH_PKTLOG_HDR_MAC_ID_SHIFT 8
82  #define ATH_PKTLOG_HDR_MAC_ID_OFFSET 1
83  #else
84  #define ATH_PKTLOG_HDR_LOG_TYPE_MASK 0xffff
85  #define ATH_PKTLOG_HDR_LOG_TYPE_SHIFT 0
86  #define ATH_PKTLOG_HDR_LOG_TYPE_OFFSET 1
87  #endif
88  
89  #define ATH_PKTLOG_HDR_SIZE_MASK 0xffff0000
90  #define ATH_PKTLOG_HDR_SIZE_SHIFT 16
91  #define ATH_PKTLOG_HDR_SIZE_OFFSET 1
92  #define ATH_PKTLOG_HDR_TIMESTAMP_OFFSET 2
93  #define ATH_PKTLOG_HDR_TYPE_SPECIFIC_DATA_OFFSET 3
94  
95  /**
96   * enum - Pktlog flag field details
97   * @PKTLOG_FLG_FRM_TYPE_LOCAL_S: local-generated frame (tx)
98   * @PKTLOG_FLG_FRM_TYPE_REMOTE_S: remote-generated frame (rx)
99   * @PKTLOG_FLG_FRM_TYPE_CLONE_S: cloned frame
100   * @PKTLOG_FLG_FRM_TYPE_CBF_S: CBF remote frame
101   * @PKTLOG_FLG_FRM_TYPE_UNKNOWN_S: Unknown
102   *
103   * struct ath_pktlog_hdr flags field bit definitions,
104   * (use 1 << [enum] to assign)
105   */
106  enum {
107  	PKTLOG_FLG_FRM_TYPE_LOCAL_S = 0,
108  	PKTLOG_FLG_FRM_TYPE_REMOTE_S,
109  	PKTLOG_FLG_FRM_TYPE_CLONE_S,
110  	PKTLOG_FLG_FRM_TYPE_CBF_S,
111  	PKTLOG_FLG_FRM_TYPE_UNKNOWN_S
112  };
113  
114  #define PHFLAGS_INTERRUPT_CONTEXT 0x80000000
115  
116  /* Masks for setting pktlog events filters */
117  #define ATH_PKTLOG_TX       0x000000001
118  #define ATH_PKTLOG_RX       0x000000002
119  #define ATH_PKTLOG_RCFIND   0x000000004
120  #define ATH_PKTLOG_RCUPDATE 0x000000008
121  #define ATH_PKTLOG_ANI      0x000000010
122  #define ATH_PKTLOG_TEXT     0x000000020
123  #define ATH_PKTLOG_PHYERR   0x000000040
124  #define ATH_PKTLOG_PROMISC  0x000000080
125  #define ATH_PKTLOG_SW_EVENT 0x000000100
126  
127  /* WIN defns */
128  #define ATH_PKTLOG_H_INFO   0x000000200
129  #define ATH_PKTLOG_STEERING 0x000000400
130  #define ATH_PKTLOG_REMOTE_LOGGING_ENABLE  0x000000800
131  #define ATH_PKTLOG_TX_CAPTURE_ENABLE  0x000001000
132  #define ATH_PKTLOG_LITE_T2H  0x000002000
133  #define ATH_PKTLOG_LITE_RX   0x000004000
134  
135  /* Types of packet log events */
136  #define PKTLOG_TYPE_TX_CTRL      1
137  #define PKTLOG_TYPE_TX_STAT      2
138  #define PKTLOG_TYPE_TX_MSDU_ID   3
139  #define PKTLOG_TYPE_TX_FRM_HDR   4
140  #define PKTLOG_TYPE_RX_STAT      5
141  #define PKTLOG_TYPE_RC_FIND      6
142  #define PKTLOG_TYPE_RC_UPDATE    7
143  #define PKTLOG_TYPE_TX_VIRT_ADDR 8
144  #define PKTLOG_TYPE_SMART_ANTENNA 9
145  #define PKTLOG_TYPE_SW_EVENT     10
146  #define PKTLOG_TYPE_PKT_DUMP     11
147  /* Command to process Monitor status ring (Rx) buffers */
148  #define PKTLOG_TYPE_RX_STATBUF   22
149  /* Command to process PPDU Tx buffers from CE */
150  #define PKTLOG_TYPE_LITE_T2H     23
151  /* Command to process PPDU Rx buffers from Monitor status ring */
152  #define PKTLOG_TYPE_LITE_RX      24
153  #define PKTLOG_TYPE_MAX          25
154  
155  #define PKTLOG_MAX_TXCTL_WORDS 57       /* +2 words for bitmap */
156  #define PKTLOG_MAX_TXSTATUS_WORDS 32
157  #define PKTLOG_MAX_PROTO_WORDS  16
158  #define PKTLOG_MAX_RXDESC_WORDS 62
159  #define PKTLOG_HDR_SIZE_16      0x8000
160  
161  struct txctl_frm_hdr {
162  	uint16_t framectrl;     /* frame control field from header */
163  	uint16_t seqctrl;       /* frame control field from header */
164  	uint16_t bssid_tail;    /* last two octets of bssid */
165  	uint16_t sa_tail;       /* last two octets of SA */
166  	uint16_t da_tail;       /* last two octets of DA */
167  	uint16_t resvd;
168  };
169  
170  #if defined(HELIUMPLUS)
171  /* Peregrine 11ac based */
172  #define MAX_PKT_INFO_MSDU_ID 1
173  #else
174  /* Peregrine 11ac based */
175  #define MAX_PKT_INFO_MSDU_ID 192
176  #endif /* defined(HELIUMPLUS) */
177  
178  /*
179   * msdu_id_info_t is defined for reference only
180   */
181  struct msdu_id_info {
182  	uint32_t num_msdu;
183  	uint8_t bound_bmap[(MAX_PKT_INFO_MSDU_ID + 7)>>3];
184  	/* TODO:
185  	*  Convert the id's to uint32_t
186  	*  Reduces computation in the driver code
187  	*/
188  	uint16_t id[MAX_PKT_INFO_MSDU_ID];
189  } __ATTRIB_PACK;
190  #define MSDU_ID_INFO_NUM_MSDU_OFFSET 0 /* char offset */
191  #define MSDU_ID_INFO_BOUND_BM_OFFSET offsetof(struct msdu_id_info, bound_bmap)
192  #define MSDU_ID_INFO_ID_OFFSET  offsetof(struct msdu_id_info, id)
193  
194  
195  struct ath_pktlog_txctl {
196  	struct ath_pktlog_hdr pl_hdr;
197  	/* struct txctl_frm_hdr frm_hdr; */
198  	void *txdesc_hdr_ctl;   /* frm_hdr + Tx descriptor words */
199  	struct {
200  		struct txctl_frm_hdr frm_hdr;
201  		uint32_t txdesc_ctl[PKTLOG_MAX_TXCTL_WORDS];
202  		/* uint32_t *proto_hdr;   / * protocol header (variable length!) * / */
203  		/* uint32_t *misc; / * Can be used for HT specific or other misc info * / */
204  	} priv;
205  } __ATTRIB_PACK;
206  
207  struct ath_pktlog_tx_status {
208  	struct ath_pktlog_hdr pl_hdr;
209  	void *ds_status;
210  	int32_t misc[];	/* Can be used for HT specific or other misc info */
211  } __ATTRIB_PACK;
212  
213  struct ath_pktlog_msdu_info {
214  	struct ath_pktlog_hdr pl_hdr;
215  	void *ath_msdu_info;
216  	A_UINT32 num_msdu;
217  	struct {
218  		/*
219  		 * Provision to add more information fields
220  		 */
221  		struct msdu_info_t {
222  			A_UINT32 num_msdu;
223  			A_UINT8 bound_bmap[MAX_PKT_INFO_MSDU_ID >> 3];
224  		} msdu_id_info;
225  		/*
226  		 * array of num_msdu
227  		 * Static implementation will consume unwanted memory
228  		 * Need to split the pktlog_get_buf to get the buffer pointer only
229  		 */
230  		uint16_t msdu_len[MAX_PKT_INFO_MSDU_ID];
231  	} priv;
232  	size_t priv_size;
233  
234  } __ATTRIB_PACK;
235  
236  struct ath_pktlog_rx_info {
237  	struct ath_pktlog_hdr pl_hdr;
238  	void *rx_desc;
239  } __ATTRIB_PACK;
240  
241  struct ath_pktlog_rc_find {
242  	struct ath_pktlog_hdr pl_hdr;
243  	void *rcFind;
244  } __ATTRIB_PACK;
245  
246  struct ath_pktlog_sw_event {
247  	struct ath_pktlog_hdr pl_hdr;
248  	void *sw_event;
249  } __ATTRIB_PACK;
250  
251  struct ath_pktlog_rc_update {
252  	struct ath_pktlog_hdr pl_hdr;
253  	void *txRateCtrl;       /* rate control state proper */
254  } __ATTRIB_PACK;
255  
256  #ifdef WIN32
257  #pragma pack(pop, pktlog_fmt)
258  #endif
259  #ifdef __ATTRIB_PACK
260  #undef __ATTRIB_PACK
261  #endif /* __ATTRIB_PACK */
262  
263  /*
264   * The following header is included in the beginning of the file,
265   * followed by log entries when the log buffer is read through procfs
266   */
267  
268  struct ath_pktlog_bufhdr {
269  	uint32_t magic_num;     /* Used by post processing scripts */
270  	uint32_t version;       /* Set to CUR_PKTLOG_VER */
271  };
272  
273  struct ath_pktlog_buf {
274  	struct ath_pktlog_bufhdr bufhdr;
275  	int32_t rd_offset;
276  	volatile int32_t wr_offset;
277  	/* Whenever this bytes written value croses 4K bytes,
278  	 * logging will be triggered
279  	 */
280  	int32_t bytes_written;
281  	/* Index of the messages sent to userspace */
282  	uint32_t msg_index;
283  	/* Offset for read */
284  	loff_t offset;
285  	char log_data[];
286  };
287  
288  #define PKTLOG_MOV_RD_IDX(_rd_offset, _log_buf, _log_size)  \
289  	do { \
290  		if ((_rd_offset + sizeof(struct ath_pktlog_hdr) + \
291  		    ((struct ath_pktlog_hdr *)((_log_buf)->log_data + \
292  					       (_rd_offset)))->size) <= _log_size) { \
293  			_rd_offset = ((_rd_offset) + sizeof(struct ath_pktlog_hdr) + \
294  				      ((struct ath_pktlog_hdr *)((_log_buf)->log_data +	\
295  								 (_rd_offset)))->size);	\
296  		} else { \
297  			_rd_offset = ((struct ath_pktlog_hdr *)((_log_buf)->log_data +	\
298  								(_rd_offset)))->size;  \
299  		} \
300  		(_rd_offset) = (((_log_size) - (_rd_offset)) >=	\
301  				sizeof(struct ath_pktlog_hdr)) ? _rd_offset : 0; \
302  	} while (0)
303  
304  #endif /* REMOVE_PKT_LOG */
305  
306  /**
307   * enum pkt_type - packet type
308   * @START_MONITOR: indicates parser to start packetdump parsing
309   * @STOP_MONITOR: indicates parser to stop packetdump parsing
310   * @TX_MGMT_PKT: TX management Packet
311   * @TX_DATA_PKT: TX data Packet
312   * @RX_MGMT_PKT: RX management Packet
313   * @RX_DATA_PKT: RX data Packet
314   * @INVALID_PKT: Invalid packet
315   *
316   * This enum has packet types
317   */
318  enum pkt_type {
319  	START_MONITOR = 1,
320  	STOP_MONITOR,
321  	TX_MGMT_PKT,
322  	TX_DATA_PKT,
323  	RX_MGMT_PKT,
324  	RX_DATA_PKT,
325  	INVALID_PKT,
326  };
327  
328  /**
329   * enum tx_pkt_fate - tx packet fate
330   * @TX_PKT_FATE_ACKED: Sent over air and ACKed
331   * @TX_PKT_FATE_SENT: Sent over air but not ACKed.
332   * @TX_PKT_FATE_FW_QUEUED: Queued within firmware,
333   * but not yet sent over air
334   * @TX_PKT_FATE_FW_DROP_INVALID: Dropped by firmware as invalid.
335   * E.g. bad source address, bad checksum, or invalid for current state.
336   * @TX_PKT_FATE_FW_DROP_NOBUFS: Dropped by firmware due
337   * to lack of buffer space
338   * @TX_PKT_FATE_FW_DROP_OTHER: Dropped by firmware for any other
339   * reason. Includes frames that were sent by driver to firmware, but
340   * unaccounted for by firmware.
341   * @TX_PKT_FATE_DRV_QUEUED: Queued within driver, not yet sent to firmware.
342   * @TX_PKT_FATE_DRV_DROP_INVALID: Dropped by driver as invalid.
343   * E.g. bad source address, or invalid for current state.
344   * @TX_PKT_FATE_DRV_DROP_NOBUFS: Dropped by driver due to lack of buffer space
345   * @TX_PKT_FATE_DRV_DROP_OTHER: Dropped by driver for any other reason.
346   * E.g. out of buffers.
347   *
348   * This enum has packet fate types
349   */
350  
351  enum tx_pkt_fate {
352  	TX_PKT_FATE_ACKED,
353  	TX_PKT_FATE_SENT,
354  	TX_PKT_FATE_FW_QUEUED,
355  	TX_PKT_FATE_FW_DROP_INVALID,
356  	TX_PKT_FATE_FW_DROP_NOBUFS,
357  	TX_PKT_FATE_FW_DROP_OTHER,
358  	TX_PKT_FATE_DRV_QUEUED,
359  	TX_PKT_FATE_DRV_DROP_INVALID,
360  	TX_PKT_FATE_DRV_DROP_NOBUFS,
361  	TX_PKT_FATE_DRV_DROP_OTHER,
362  };
363  
364  /**
365   * enum rx_pkt_fate - rx packet fate
366   * @RX_PKT_FATE_SUCCESS: Valid and delivered to
367   * network stack (e.g., netif_rx()).
368   * @RX_PKT_FATE_FW_QUEUED: Queued within firmware,
369   * but not yet sent to driver.
370   * @RX_PKT_FATE_FW_DROP_FILTER: Dropped by firmware
371   * due to host-programmable filters.
372   * @RX_PKT_FATE_FW_DROP_INVALID: Dropped by firmware
373   * as invalid. E.g. bad checksum, decrypt failed, or invalid for current state.
374   * @RX_PKT_FATE_FW_DROP_NOBUFS: Dropped by firmware
375   * due to lack of buffer space.
376   * @RX_PKT_FATE_FW_DROP_OTHER: Dropped by firmware
377   * for any other reason.
378   * @RX_PKT_FATE_DRV_QUEUED: Queued within driver,
379   * not yet delivered to network stack.
380   * @RX_PKT_FATE_DRV_DROP_FILTER: Dropped by driver
381   * due to filter rules.
382   * @RX_PKT_FATE_DRV_DROP_INVALID: Dropped by driver as invalid.
383   * E.g. not permitted in current state.
384   * @RX_PKT_FATE_DRV_DROP_NOBUFS: Dropped by driver
385   * due to lack of buffer space.
386   * @RX_PKT_FATE_DRV_DROP_OTHER: Dropped by driver for any other reason.
387   *
388   * This enum has packet fate types
389   */
390  
391  enum rx_pkt_fate {
392  	RX_PKT_FATE_SUCCESS,
393  	RX_PKT_FATE_FW_QUEUED,
394  	RX_PKT_FATE_FW_DROP_FILTER,
395  	RX_PKT_FATE_FW_DROP_INVALID,
396  	RX_PKT_FATE_FW_DROP_NOBUFS,
397  	RX_PKT_FATE_FW_DROP_OTHER,
398  	RX_PKT_FATE_DRV_QUEUED,
399  	RX_PKT_FATE_DRV_DROP_FILTER,
400  	RX_PKT_FATE_DRV_DROP_INVALID,
401  	RX_PKT_FATE_DRV_DROP_NOBUFS,
402  	RX_PKT_FATE_DRV_DROP_OTHER,
403  };
404  
405  #endif /* _PKTLOG_FMT_H_ */
406