xref: /wlan-dirver/qca-wifi-host-cmn/hal/wifi3.0/hal_api_mon.h (revision dd4dc88b837a295134aa9869114a2efee0f4894b)
1 /*
2  * Copyright (c) 2017-2019 The Linux Foundation. All rights reserved.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for
5  * any purpose with or without fee is hereby granted, provided that the
6  * above copyright notice and this permission notice appear in all
7  * copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
10  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
11  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
12  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
13  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
14  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
15  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16  * PERFORMANCE OF THIS SOFTWARE.
17  */
18 
19 #ifndef _HAL_API_MON_H_
20 #define _HAL_API_MON_H_
21 
22 #include "qdf_types.h"
23 #include "hal_internal.h"
24 #include <target_type.h>
25 
26 #define HAL_RX_PHY_DATA_RADAR 0x01
27 #define HAL_SU_MU_CODING_LDPC 0x01
28 
29 #define HAL_RX_FCS_LEN (4)
30 #define KEY_EXTIV 0x20
31 
32 #define HAL_RX_USER_TLV32_TYPE_OFFSET		0x00000000
33 #define HAL_RX_USER_TLV32_TYPE_LSB		1
34 #define HAL_RX_USER_TLV32_TYPE_MASK		0x000003FE
35 
36 #define HAL_RX_USER_TLV32_LEN_OFFSET		0x00000000
37 #define HAL_RX_USER_TLV32_LEN_LSB		10
38 #define HAL_RX_USER_TLV32_LEN_MASK		0x003FFC00
39 
40 #define HAL_RX_USER_TLV32_USERID_OFFSET		0x00000000
41 #define HAL_RX_USER_TLV32_USERID_LSB		26
42 #define HAL_RX_USER_TLV32_USERID_MASK		0xFC000000
43 
44 #define HAL_ALIGN(x, a)				HAL_ALIGN_MASK(x, (a)-1)
45 #define HAL_ALIGN_MASK(x, mask)	(typeof(x))(((uint32)(x) + (mask)) & ~(mask))
46 
47 #define HAL_RX_TLV32_HDR_SIZE			4
48 
49 #define HAL_RX_GET_USER_TLV32_TYPE(rx_status_tlv_ptr) \
50 		((*((uint32_t *)(rx_status_tlv_ptr)) & \
51 		HAL_RX_USER_TLV32_TYPE_MASK) >> \
52 		HAL_RX_USER_TLV32_TYPE_LSB)
53 
54 #define HAL_RX_GET_USER_TLV32_LEN(rx_status_tlv_ptr) \
55 		((*((uint32_t *)(rx_status_tlv_ptr)) & \
56 		HAL_RX_USER_TLV32_LEN_MASK) >> \
57 		HAL_RX_USER_TLV32_LEN_LSB)
58 
59 #define HAL_RX_GET_USER_TLV32_USERID(rx_status_tlv_ptr) \
60 		((*((uint32_t *)(rx_status_tlv_ptr)) & \
61 		HAL_RX_USER_TLV32_USERID_MASK) >> \
62 		HAL_RX_USER_TLV32_USERID_LSB)
63 
64 #define HAL_TLV_STATUS_PPDU_NOT_DONE 0
65 #define HAL_TLV_STATUS_PPDU_DONE 1
66 #define HAL_TLV_STATUS_BUF_DONE 2
67 #define HAL_TLV_STATUS_PPDU_NON_STD_DONE 3
68 #define HAL_TLV_STATUS_PPDU_START 4
69 #define HAL_TLV_STATUS_HEADER 5
70 #define HAL_TLV_STATUS_MPDU_END 6
71 #define HAL_TLV_STATUS_MSDU_START 7
72 #define HAL_TLV_STATUS_MSDU_END 8
73 
74 #define HAL_MAX_UL_MU_USERS			8
75 
76 #define HAL_RX_PKT_TYPE_11A	0
77 #define HAL_RX_PKT_TYPE_11B	1
78 #define HAL_RX_PKT_TYPE_11N	2
79 #define HAL_RX_PKT_TYPE_11AC	3
80 #define HAL_RX_PKT_TYPE_11AX	4
81 
82 #define HAL_RX_RECEPTION_TYPE_SU	0
83 #define HAL_RX_RECEPTION_TYPE_MU_MIMO	1
84 #define HAL_RX_RECEPTION_TYPE_OFDMA	2
85 #define HAL_RX_RECEPTION_TYPE_MU_OFDMA	3
86 
87 /* Multiply rate by 2 to avoid float point
88  * and get rate in units of 500kbps
89  */
90 #define HAL_11B_RATE_0MCS	11*2
91 #define HAL_11B_RATE_1MCS	5.5*2
92 #define HAL_11B_RATE_2MCS	2*2
93 #define HAL_11B_RATE_3MCS	1*2
94 #define HAL_11B_RATE_4MCS	11*2
95 #define HAL_11B_RATE_5MCS	5.5*2
96 #define HAL_11B_RATE_6MCS	2*2
97 
98 #define HAL_11A_RATE_0MCS	48*2
99 #define HAL_11A_RATE_1MCS	24*2
100 #define HAL_11A_RATE_2MCS	12*2
101 #define HAL_11A_RATE_3MCS	6*2
102 #define HAL_11A_RATE_4MCS	54*2
103 #define HAL_11A_RATE_5MCS	36*2
104 #define HAL_11A_RATE_6MCS	18*2
105 #define HAL_11A_RATE_7MCS	9*2
106 
107 #define HAL_LEGACY_MCS0  0
108 #define HAL_LEGACY_MCS1  1
109 #define HAL_LEGACY_MCS2  2
110 #define HAL_LEGACY_MCS3  3
111 #define HAL_LEGACY_MCS4  4
112 #define HAL_LEGACY_MCS5  5
113 #define HAL_LEGACY_MCS6  6
114 #define HAL_LEGACY_MCS7  7
115 
116 #define HE_GI_0_8 0
117 #define HE_GI_0_4 1
118 #define HE_GI_1_6 2
119 #define HE_GI_3_2 3
120 
121 #define HT_SGI_PRESENT 0x80
122 
123 #define HE_LTF_1_X 0
124 #define HE_LTF_2_X 1
125 #define HE_LTF_4_X 2
126 #define HE_LTF_UNKNOWN 3
127 #define VHT_SIG_SU_NSS_MASK	0x7
128 #define HT_SIG_SU_NSS_SHIFT	0x3
129 
130 #define HAL_TID_INVALID 31
131 #define HAL_AST_IDX_INVALID 0xFFFF
132 
133 #ifdef GET_MSDU_AGGREGATION
134 #define HAL_RX_GET_MSDU_AGGREGATION(rx_desc, rs)\
135 {\
136 	struct rx_msdu_end *rx_msdu_end;\
137 	bool first_msdu, last_msdu; \
138 	rx_msdu_end = &rx_desc->msdu_end_tlv.rx_msdu_end;\
139 	first_msdu = HAL_RX_GET(rx_msdu_end, RX_MSDU_END_5, FIRST_MSDU);\
140 	last_msdu = HAL_RX_GET(rx_msdu_end, RX_MSDU_END_5, LAST_MSDU);\
141 	if (first_msdu && last_msdu)\
142 		rs->rs_flags &= (~IEEE80211_AMSDU_FLAG);\
143 	else\
144 		rs->rs_flags |= (IEEE80211_AMSDU_FLAG); \
145 } \
146 
147 #else
148 #define HAL_RX_GET_MSDU_AGGREGATION(rx_desc, rs)
149 #endif
150 
151 enum {
152 	DP_PPDU_STATUS_START,
153 	DP_PPDU_STATUS_DONE,
154 };
155 
156 static inline
157 uint32_t HAL_RX_MON_HW_RX_DESC_SIZE(void)
158 {
159 	/* return the HW_RX_DESC size */
160 	return sizeof(struct rx_pkt_tlvs);
161 }
162 
163 static inline
164 uint8_t *HAL_RX_MON_DEST_GET_DESC(uint8_t *data)
165 {
166 	return data;
167 }
168 
169 static inline
170 uint32_t HAL_RX_DESC_GET_MPDU_LENGTH_ERR(void *hw_desc_addr)
171 {
172 	struct rx_attention *rx_attn;
173 	struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr;
174 
175 	rx_attn = &rx_desc->attn_tlv.rx_attn;
176 
177 	return HAL_RX_GET(rx_attn, RX_ATTENTION_1, MPDU_LENGTH_ERR);
178 }
179 
180 static inline
181 uint32_t HAL_RX_DESC_GET_MPDU_FCS_ERR(void *hw_desc_addr)
182 {
183 	struct rx_attention *rx_attn;
184 	struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr;
185 
186 	rx_attn = &rx_desc->attn_tlv.rx_attn;
187 
188 	return HAL_RX_GET(rx_attn, RX_ATTENTION_1, FCS_ERR);
189 }
190 
191 /*
192  * HAL_RX_HW_DESC_MPDU_VALID() - check MPDU start TLV tag in MPDU
193  *			start TLV of Hardware TLV descriptor
194  * @hw_desc_addr: Hardware desciptor address
195  *
196  * Return: bool: if TLV tag match
197  */
198 static inline
199 bool HAL_RX_HW_DESC_MPDU_VALID(void *hw_desc_addr)
200 {
201 	struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr;
202 	uint32_t tlv_tag;
203 
204 	tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(
205 		&rx_desc->mpdu_start_tlv);
206 
207 	return tlv_tag == WIFIRX_MPDU_START_E ? true : false;
208 }
209 
210 static inline
211 uint32_t HAL_RX_HW_DESC_GET_PPDUID_GET(void *hw_desc_addr)
212 {
213 	struct rx_mpdu_info *rx_mpdu_info;
214 	struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr;
215 
216 	rx_mpdu_info =
217 		&rx_desc->mpdu_start_tlv.rx_mpdu_start.rx_mpdu_info_details;
218 
219 	return HAL_RX_GET(rx_mpdu_info, RX_MPDU_INFO_0, PHY_PPDU_ID);
220 }
221 
222 /* TODO: Move all Rx descriptor functions to hal_rx.h to avoid duplication */
223 
224 #define HAL_RX_BUFFER_ADDR_31_0_GET(buff_addr_info)		\
225 	(_HAL_MS((*_OFFSET_TO_WORD_PTR(buff_addr_info,		\
226 		BUFFER_ADDR_INFO_0_BUFFER_ADDR_31_0_OFFSET)),	\
227 		BUFFER_ADDR_INFO_0_BUFFER_ADDR_31_0_MASK,	\
228 		BUFFER_ADDR_INFO_0_BUFFER_ADDR_31_0_LSB))
229 
230 #define HAL_RX_REO_ENT_BUFFER_ADDR_39_32_GET(reo_ent_desc)	\
231 	(HAL_RX_BUFFER_ADDR_39_32_GET(&				\
232 		(((struct reo_entrance_ring *)reo_ent_desc)	\
233 			->reo_level_mpdu_frame_info.msdu_link_desc_addr_info)))
234 
235 #define HAL_RX_REO_ENT_BUFFER_ADDR_31_0_GET(reo_ent_desc)	\
236 	(HAL_RX_BUFFER_ADDR_31_0_GET(&				\
237 		(((struct reo_entrance_ring *)reo_ent_desc)	\
238 			->reo_level_mpdu_frame_info.msdu_link_desc_addr_info)))
239 
240 #define HAL_RX_REO_ENT_BUF_COOKIE_GET(reo_ent_desc)		\
241 	(HAL_RX_BUF_COOKIE_GET(&					\
242 		(((struct reo_entrance_ring *)reo_ent_desc)	\
243 			->reo_level_mpdu_frame_info.msdu_link_desc_addr_info)))
244 
245 /**
246  * hal_rx_reo_ent_buf_paddr_get: Gets the physical address and
247  * cookie from the REO entrance ring element
248  *
249  * @ hal_rx_desc_cookie: Opaque cookie pointer used by HAL to get to
250  * the current descriptor
251  * @ buf_info: structure to return the buffer information
252  * @ msdu_cnt: pointer to msdu count in MPDU
253  * Return: void
254  */
255 static inline
256 void hal_rx_reo_ent_buf_paddr_get(void *rx_desc,
257 	struct hal_buf_info *buf_info,
258 	void **pp_buf_addr_info,
259 	uint32_t *msdu_cnt
260 )
261 {
262 	struct reo_entrance_ring *reo_ent_ring =
263 		(struct reo_entrance_ring *)rx_desc;
264 	struct buffer_addr_info *buf_addr_info;
265 	struct rx_mpdu_desc_info *rx_mpdu_desc_info_details;
266 	uint32_t loop_cnt;
267 
268 	rx_mpdu_desc_info_details =
269 	&reo_ent_ring->reo_level_mpdu_frame_info.rx_mpdu_desc_info_details;
270 
271 	*msdu_cnt = HAL_RX_GET(rx_mpdu_desc_info_details,
272 				RX_MPDU_DESC_INFO_0, MSDU_COUNT);
273 
274 	loop_cnt = HAL_RX_GET(reo_ent_ring, REO_ENTRANCE_RING_7, LOOPING_COUNT);
275 
276 	buf_addr_info =
277 	&reo_ent_ring->reo_level_mpdu_frame_info.msdu_link_desc_addr_info;
278 
279 	buf_info->paddr =
280 		(HAL_RX_BUFFER_ADDR_31_0_GET(buf_addr_info) |
281 		((uint64_t)
282 		(HAL_RX_BUFFER_ADDR_39_32_GET(buf_addr_info)) << 32));
283 
284 	buf_info->sw_cookie = HAL_RX_BUF_COOKIE_GET(buf_addr_info);
285 
286 	QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
287 		"[%s][%d] ReoAddr=%pK, addrInfo=%pK, paddr=0x%llx, loopcnt=%d",
288 		__func__, __LINE__, reo_ent_ring, buf_addr_info,
289 	(unsigned long long)buf_info->paddr, loop_cnt);
290 
291 	*pp_buf_addr_info = (void *)buf_addr_info;
292 }
293 
294 static inline
295 void hal_rx_mon_next_link_desc_get(void *rx_msdu_link_desc,
296 	struct hal_buf_info *buf_info, void **pp_buf_addr_info)
297 {
298 	struct rx_msdu_link *msdu_link =
299 		(struct rx_msdu_link *)rx_msdu_link_desc;
300 	struct buffer_addr_info *buf_addr_info;
301 
302 	buf_addr_info = &msdu_link->next_msdu_link_desc_addr_info;
303 
304 	buf_info->paddr =
305 		(HAL_RX_BUFFER_ADDR_31_0_GET(buf_addr_info) |
306 		((uint64_t)
307 		(HAL_RX_BUFFER_ADDR_39_32_GET(buf_addr_info)) << 32));
308 
309 	buf_info->sw_cookie = HAL_RX_BUF_COOKIE_GET(buf_addr_info);
310 
311 	*pp_buf_addr_info = (void *)buf_addr_info;
312 }
313 
314 /**
315  * hal_rx_msdu_link_desc_set: Retrieves MSDU Link Descriptor to WBM
316  *
317  * @ soc		: HAL version of the SOC pointer
318  * @ src_srng_desc	: void pointer to the WBM Release Ring descriptor
319  * @ buf_addr_info	: void pointer to the buffer_addr_info
320  *
321  * Return: void
322  */
323 
324 static inline void hal_rx_mon_msdu_link_desc_set(struct hal_soc *soc,
325 			void *src_srng_desc, void *buf_addr_info)
326 {
327 	struct buffer_addr_info *wbm_srng_buffer_addr_info =
328 			(struct buffer_addr_info *)src_srng_desc;
329 	uint64_t paddr;
330 	struct buffer_addr_info *p_buffer_addr_info =
331 			(struct buffer_addr_info *)buf_addr_info;
332 
333 	paddr =
334 		(HAL_RX_BUFFER_ADDR_31_0_GET(buf_addr_info) |
335 		((uint64_t)
336 		(HAL_RX_BUFFER_ADDR_39_32_GET(buf_addr_info)) << 32));
337 
338 	QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_DEBUG,
339 		"[%s][%d] src_srng_desc=%pK, buf_addr=0x%llx, cookie=0x%llx",
340 		__func__, __LINE__, src_srng_desc, (unsigned long long)paddr,
341 		(unsigned long long)p_buffer_addr_info->sw_buffer_cookie);
342 
343 	/* Structure copy !!! */
344 	*wbm_srng_buffer_addr_info =
345 		*((struct buffer_addr_info *)buf_addr_info);
346 }
347 
348 static inline
349 uint32 hal_get_rx_msdu_link_desc_size(void)
350 {
351 	return sizeof(struct rx_msdu_link);
352 }
353 
354 enum {
355 	HAL_PKT_TYPE_OFDM = 0,
356 	HAL_PKT_TYPE_CCK,
357 	HAL_PKT_TYPE_HT,
358 	HAL_PKT_TYPE_VHT,
359 	HAL_PKT_TYPE_HE,
360 };
361 
362 enum {
363 	HAL_SGI_0_8_US,
364 	HAL_SGI_0_4_US,
365 	HAL_SGI_1_6_US,
366 	HAL_SGI_3_2_US,
367 };
368 
369 enum {
370 	HAL_FULL_RX_BW_20,
371 	HAL_FULL_RX_BW_40,
372 	HAL_FULL_RX_BW_80,
373 	HAL_FULL_RX_BW_160,
374 };
375 
376 enum {
377 	HAL_RX_TYPE_SU,
378 	HAL_RX_TYPE_MU_MIMO,
379 	HAL_RX_TYPE_MU_OFDMA,
380 	HAL_RX_TYPE_MU_OFDMA_MIMO,
381 };
382 
383 /**
384  * enum
385  * @HAL_RX_MON_PPDU_START: PPDU start TLV is decoded in HAL
386  * @HAL_RX_MON_PPDU_END: PPDU end TLV is decided in HAL
387  */
388 enum {
389 	HAL_RX_MON_PPDU_START = 0,
390 	HAL_RX_MON_PPDU_END,
391 };
392 
393 struct hal_rx_ppdu_common_info {
394 	uint32_t ppdu_id;
395 	uint32_t ppdu_timestamp;
396 	uint32_t mpdu_cnt_fcs_ok;
397 	uint32_t mpdu_cnt_fcs_err;
398 };
399 
400 struct hal_rx_msdu_payload_info {
401 	uint8_t *first_msdu_payload;
402 	uint32_t payload_len;
403 };
404 
405 /**
406  * struct hal_rx_nac_info - struct for neighbour info
407  * @fc_valid: flag indicate if it has valid frame control information
408  * @to_ds_flag: flag indicate to_ds bit
409  * @mac_addr2_valid: flag indicate if mac_addr2 is valid
410  * @mac_addr2: mac address2 in wh
411  */
412 struct hal_rx_nac_info {
413 	uint8_t fc_valid;
414 	uint8_t to_ds_flag;
415 	uint8_t mac_addr2_valid;
416 	uint8_t mac_addr2[QDF_MAC_ADDR_SIZE];
417 };
418 
419 struct hal_rx_ppdu_info {
420 	struct hal_rx_ppdu_common_info com_info;
421 	struct mon_rx_status rx_status;
422 	struct mon_rx_user_status rx_user_status[HAL_MAX_UL_MU_USERS];
423 	struct hal_rx_msdu_payload_info msdu_info;
424 	struct hal_rx_nac_info nac_info;
425 	/* status ring PPDU start and end state */
426 	uint32_t rx_state;
427 	/* MU user id for status ring TLV */
428 	uint32_t user_id;
429 	/* MPDU/MSDU truncated to 128 bytes header start addr in status skb */
430 	unsigned char *data;
431 	/* MPDU/MSDU truncated to 128 bytes header real length */
432 	uint32_t hdr_len;
433 	/* MPDU FCS error */
434 	bool fcs_err;
435 };
436 
437 static inline uint32_t
438 hal_get_rx_status_buf_size(void) {
439 	/* RX status buffer size is hard coded for now */
440 	return 2048;
441 }
442 
443 static inline uint8_t*
444 hal_rx_status_get_next_tlv(uint8_t *rx_tlv) {
445 	uint32_t tlv_len, tlv_tag;
446 
447 	tlv_len = HAL_RX_GET_USER_TLV32_LEN(rx_tlv);
448 	tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(rx_tlv);
449 
450 	/* The actual length of PPDU_END is the combined length of many PHY
451 	 * TLVs that follow. Skip the TLV header and
452 	 * rx_rxpcu_classification_overview that follows the header to get to
453 	 * next TLV.
454 	 */
455 	if (tlv_tag == WIFIRX_PPDU_END_E)
456 		tlv_len = sizeof(struct rx_rxpcu_classification_overview);
457 
458 	return (uint8_t *)(((unsigned long)(rx_tlv + tlv_len +
459 			HAL_RX_TLV32_HDR_SIZE + 3)) & (~((unsigned long)3)));
460 }
461 
462 /**
463  * hal_rx_proc_phyrx_other_receive_info_tlv()
464  *				    - process other receive info TLV
465  * @rx_tlv_hdr: pointer to TLV header
466  * @ppdu_info: pointer to ppdu_info
467  *
468  * Return: None
469  */
470 static inline void hal_rx_proc_phyrx_other_receive_info_tlv(struct hal_soc *hal_soc,
471 						     void *rx_tlv_hdr,
472 						     struct hal_rx_ppdu_info
473 						     *ppdu_info)
474 {
475 	hal_soc->ops->hal_rx_proc_phyrx_other_receive_info_tlv(rx_tlv_hdr,
476 							(void *)ppdu_info);
477 }
478 
479 /**
480  * hal_rx_status_get_tlv_info() - process receive info TLV
481  * @rx_tlv_hdr: pointer to TLV header
482  * @ppdu_info: pointer to ppdu_info
483  *
484  * Return: HAL_TLV_STATUS_PPDU_NOT_DONE or HAL_TLV_STATUS_PPDU_DONE from tlv
485  */
486 static inline uint32_t
487 hal_rx_status_get_tlv_info(void *rx_tlv_hdr, void *ppdu_info,
488 			   struct hal_soc *hal_soc)
489 {
490 	return hal_soc->ops->hal_rx_status_get_tlv_info(rx_tlv_hdr,
491 							ppdu_info, hal_soc);
492 }
493 
494 static inline
495 uint32_t hal_get_rx_status_done_tlv_size(void *hal_soc)
496 {
497 	return HAL_RX_TLV32_HDR_SIZE;
498 }
499 
500 static inline QDF_STATUS
501 hal_get_rx_status_done(uint8_t *rx_tlv)
502 {
503 	uint32_t tlv_tag;
504 
505 	tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(rx_tlv);
506 
507 	if (tlv_tag == WIFIRX_STATUS_BUFFER_DONE_E)
508 		return QDF_STATUS_SUCCESS;
509 	else
510 		return QDF_STATUS_E_EMPTY;
511 }
512 
513 static inline QDF_STATUS
514 hal_clear_rx_status_done(uint8_t *rx_tlv)
515 {
516 	*(uint32_t *)rx_tlv = 0;
517 	return QDF_STATUS_SUCCESS;
518 }
519 
520 #endif
521