xref: /wlan-dirver/qca-wifi-host-cmn/hal/wifi3.0/qca6290/hal_6290_rx.h (revision 302a1d9701784af5f4797b1a9fe07ae820b51907)
1 /*
2  * Copyright (c) 2016-2018 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 #include "qdf_util.h"
19 #include "qdf_types.h"
20 #include "qdf_lock.h"
21 #include "qdf_mem.h"
22 #include "qdf_nbuf.h"
23 #include "tcl_data_cmd.h"
24 #include "mac_tcl_reg_seq_hwioreg.h"
25 #include "phyrx_rssi_legacy.h"
26 #include "rx_msdu_start.h"
27 #include "tlv_tag_def.h"
28 #include "hal_hw_headers.h"
29 #include "hal_internal.h"
30 #include "cdp_txrx_mon_struct.h"
31 #include "qdf_trace.h"
32 #include "hal_rx.h"
33 #include "hal_tx.h"
34 #include "dp_types.h"
35 #include "hal_api_mon.h"
36 #include "phyrx_other_receive_info_ru_details.h"
37 
38 #if defined(QCA_WIFI_QCA6290_11AX)
39 #define HAL_RX_MSDU_START_MIMO_SS_BITMAP(_rx_msdu_start)\
40 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_msdu_start),\
41 	RX_MSDU_START_5_MIMO_SS_BITMAP_OFFSET)),	\
42 	RX_MSDU_START_5_MIMO_SS_BITMAP_MASK,		\
43 	RX_MSDU_START_5_MIMO_SS_BITMAP_LSB))
44 
45 /*
46  * hal_rx_msdu_start_nss_get_6290(): API to get the NSS
47  * Interval from rx_msdu_start
48  *
49  * @buf: pointer to the start of RX PKT TLV header
50  * Return: uint32_t(nss)
51  */
52 static uint32_t
53 hal_rx_msdu_start_nss_get_6290(uint8_t *buf)
54 {
55 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
56 	struct rx_msdu_start *msdu_start =
57 				&pkt_tlvs->msdu_start_tlv.rx_msdu_start;
58 	uint8_t mimo_ss_bitmap;
59 
60 	mimo_ss_bitmap = HAL_RX_MSDU_START_MIMO_SS_BITMAP(msdu_start);
61 
62 	return qdf_get_hweight8(mimo_ss_bitmap);
63 }
64 #else
65 static uint32_t
66 hal_rx_msdu_start_nss_get_6290(uint8_t *buf)
67 {
68 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
69 	struct rx_msdu_start *msdu_start =
70 				&pkt_tlvs->msdu_start_tlv.rx_msdu_start;
71 	uint32_t nss;
72 
73 	nss = HAL_RX_MSDU_START_NSS_GET(msdu_start);
74 	return nss;
75 }
76 #endif
77 
78 /**
79  * hal_rx_mon_hw_desc_get_mpdu_status_6290(): Retrieve MPDU status
80  *
81  * @ hw_desc_addr: Start address of Rx HW TLVs
82  * @ rs: Status for monitor mode
83  *
84  * Return: void
85  */
86 static void hal_rx_mon_hw_desc_get_mpdu_status_6290(void *hw_desc_addr,
87 						    struct mon_rx_status *rs)
88 {
89 	struct rx_msdu_start *rx_msdu_start;
90 	struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr;
91 	uint32_t reg_value;
92 	const uint32_t sgi_hw_to_cdp[] = {
93 		CDP_SGI_0_8_US,
94 		CDP_SGI_0_4_US,
95 		CDP_SGI_1_6_US,
96 		CDP_SGI_3_2_US,
97 	};
98 
99 	rx_msdu_start = &rx_desc->msdu_start_tlv.rx_msdu_start;
100 
101 	HAL_RX_GET_MSDU_AGGREGATION(rx_desc, rs);
102 
103 	rs->ant_signal_db = HAL_RX_GET(rx_msdu_start,
104 				RX_MSDU_START_5, USER_RSSI);
105 	rs->is_stbc = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, STBC);
106 
107 	reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, SGI);
108 	rs->sgi = sgi_hw_to_cdp[reg_value];
109 #if !defined(QCA_WIFI_QCA6290_11AX)
110 	rs->nr_ant = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, NSS);
111 #endif
112 	reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, PKT_TYPE);
113 	switch (reg_value) {
114 	case HAL_RX_PKT_TYPE_11N:
115 		rs->ht_flags = 1;
116 		break;
117 	case HAL_RX_PKT_TYPE_11AC:
118 		rs->vht_flags = 1;
119 		reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5,
120 				       RECEIVE_BANDWIDTH);
121 		rs->vht_flag_values2 = reg_value;
122 		break;
123 	case HAL_RX_PKT_TYPE_11AX:
124 		rs->he_flags = 1;
125 		break;
126 	default:
127 		break;
128 	}
129 	reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, RECEPTION_TYPE);
130 	rs->beamformed = (reg_value == HAL_RX_RECEPTION_TYPE_MU_MIMO) ? 1 : 0;
131 	/* TODO: rs->beamformed should be set for SU beamforming also */
132 }
133 
134 #define LINK_DESC_SIZE (NUM_OF_DWORDS_RX_MSDU_LINK << 2)
135 
136 static uint32_t hal_get_link_desc_size_6290(void)
137 {
138 	return LINK_DESC_SIZE;
139 }
140 
141 
142 #ifdef QCA_WIFI_QCA6290_11AX
143 /*
144  * hal_rx_get_tlv_6290(): API to get the tlv
145  *
146  * @rx_tlv: TLV data extracted from the rx packet
147  * Return: uint8_t
148  */
149 static uint8_t hal_rx_get_tlv_6290(void *rx_tlv)
150 {
151 	return HAL_RX_GET(rx_tlv, PHYRX_RSSI_LEGACY_0, RECEIVE_BANDWIDTH);
152 }
153 #else
154 static uint8_t hal_rx_get_tlv_6290(void *rx_tlv)
155 {
156 	return HAL_RX_GET(rx_tlv, PHYRX_RSSI_LEGACY_35, RECEIVE_BANDWIDTH);
157 }
158 #endif
159 
160 #ifdef QCA_WIFI_QCA6290_11AX
161 /**
162  * hal_rx_proc_phyrx_other_receive_info_tlv_6290()
163  *				    - process other receive info TLV
164  * @rx_tlv_hdr: pointer to TLV header
165  * @ppdu_info: pointer to ppdu_info
166  *
167  * Return: None
168  */
169 static
170 void hal_rx_proc_phyrx_other_receive_info_tlv_6290(void *rx_tlv_hdr,
171 						   void *ppdu_info_handle)
172 {
173 	uint32_t tlv_tag, tlv_len;
174 	uint32_t temp_len, other_tlv_len, other_tlv_tag;
175 	void *rx_tlv = (uint8_t *)rx_tlv_hdr + HAL_RX_TLV32_HDR_SIZE;
176 	void *other_tlv_hdr = NULL;
177 	void *other_tlv = NULL;
178 	uint32_t ru_details_channel_0;
179 	struct hal_rx_ppdu_info *ppdu_info =
180 		(struct hal_rx_ppdu_info *)ppdu_info_handle;
181 
182 	tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(rx_tlv_hdr);
183 	tlv_len = HAL_RX_GET_USER_TLV32_LEN(rx_tlv_hdr);
184 	temp_len = 0;
185 
186 	other_tlv_hdr = rx_tlv + HAL_RX_TLV32_HDR_SIZE;
187 
188 	other_tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(other_tlv_hdr);
189 	other_tlv_len = HAL_RX_GET_USER_TLV32_LEN(other_tlv_hdr);
190 	temp_len += other_tlv_len;
191 	other_tlv = other_tlv_hdr + HAL_RX_TLV32_HDR_SIZE;
192 
193 	switch (other_tlv_tag) {
194 	case WIFIPHYRX_OTHER_RECEIVE_INFO_RU_DETAILS_E:
195 		ru_details_channel_0 =
196 			HAL_RX_GET(other_tlv,
197 				   PHYRX_OTHER_RECEIVE_INFO_RU_DETAILS_0,
198 				   RU_DETAILS_CHANNEL_0);
199 
200 		qdf_mem_copy(ppdu_info->rx_status.he_RU,
201 			     &ru_details_channel_0,
202 			     sizeof(ppdu_info->rx_status.he_RU));
203 
204 		if (ppdu_info->rx_status.bw >= HAL_FULL_RX_BW_20)
205 			ppdu_info->rx_status.he_sig_b_common_known |=
206 				QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU0;
207 
208 		if (ppdu_info->rx_status.bw >= HAL_FULL_RX_BW_40)
209 			ppdu_info->rx_status.he_sig_b_common_known |=
210 				QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU1;
211 
212 		if (ppdu_info->rx_status.bw >= HAL_FULL_RX_BW_80)
213 			ppdu_info->rx_status.he_sig_b_common_known |=
214 				QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU2;
215 
216 		if (ppdu_info->rx_status.bw >= HAL_FULL_RX_BW_160)
217 			ppdu_info->rx_status.he_sig_b_common_known |=
218 				QDF_MON_STATUS_HE_SIG_B_COMMON_KNOWN_RU3;
219 			break;
220 	default:
221 		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
222 			  "%s unhandled TLV type: %d, TLV len:%d",
223 			  __func__, other_tlv_tag, other_tlv_len);
224 		break;
225 	}
226 }
227 #else
228 static
229 void hal_rx_proc_phyrx_other_receive_info_tlv_6290(void *rx_tlv_hdr,
230 						   void *ppdu_info_handle)
231 {
232 }
233 #endif /* QCA_WIFI_QCA6290_11AX */
234 
235 /**
236  * hal_rx_dump_msdu_start_tlv_6290() : dump RX msdu_start TLV in structured
237  *			     human readable format.
238  * @ msdu_start: pointer the msdu_start TLV in pkt.
239  * @ dbg_level: log level.
240  *
241  * Return: void
242  */
243 static void hal_rx_dump_msdu_start_tlv_6290(void *msdustart,
244 					    uint8_t dbg_level)
245 {
246 	struct rx_msdu_start *msdu_start = (struct rx_msdu_start *)msdustart;
247 
248 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
249 			"rx_msdu_start tlv - "
250 			"rxpcu_mpdu_filter_in_category: %d "
251 			"sw_frame_group_id: %d "
252 			"phy_ppdu_id: %d "
253 			"msdu_length: %d "
254 			"ipsec_esp: %d "
255 			"l3_offset: %d "
256 			"ipsec_ah: %d "
257 			"l4_offset: %d "
258 			"msdu_number: %d "
259 			"decap_format: %d "
260 			"ipv4_proto: %d "
261 			"ipv6_proto: %d "
262 			"tcp_proto: %d "
263 			"udp_proto: %d "
264 			"ip_frag: %d "
265 			"tcp_only_ack: %d "
266 			"da_is_bcast_mcast: %d "
267 			"ip4_protocol_ip6_next_header: %d "
268 			"toeplitz_hash_2_or_4: %d "
269 			"flow_id_toeplitz: %d "
270 			"user_rssi: %d "
271 			"pkt_type: %d "
272 			"stbc: %d "
273 			"sgi: %d "
274 			"rate_mcs: %d "
275 			"receive_bandwidth: %d "
276 			"reception_type: %d "
277 #if !defined(QCA_WIFI_QCA6290_11AX)
278 			"toeplitz_hash: %d "
279 			"nss: %d "
280 #endif
281 			"ppdu_start_timestamp: %d "
282 			"sw_phy_meta_data: %d ",
283 			msdu_start->rxpcu_mpdu_filter_in_category,
284 			msdu_start->sw_frame_group_id,
285 			msdu_start->phy_ppdu_id,
286 			msdu_start->msdu_length,
287 			msdu_start->ipsec_esp,
288 			msdu_start->l3_offset,
289 			msdu_start->ipsec_ah,
290 			msdu_start->l4_offset,
291 			msdu_start->msdu_number,
292 			msdu_start->decap_format,
293 			msdu_start->ipv4_proto,
294 			msdu_start->ipv6_proto,
295 			msdu_start->tcp_proto,
296 			msdu_start->udp_proto,
297 			msdu_start->ip_frag,
298 			msdu_start->tcp_only_ack,
299 			msdu_start->da_is_bcast_mcast,
300 			msdu_start->ip4_protocol_ip6_next_header,
301 			msdu_start->toeplitz_hash_2_or_4,
302 			msdu_start->flow_id_toeplitz,
303 			msdu_start->user_rssi,
304 			msdu_start->pkt_type,
305 			msdu_start->stbc,
306 			msdu_start->sgi,
307 			msdu_start->rate_mcs,
308 			msdu_start->receive_bandwidth,
309 			msdu_start->reception_type,
310 #if !defined(QCA_WIFI_QCA6290_11AX)
311 			msdu_start->toeplitz_hash,
312 			msdu_start->nss,
313 #endif
314 			msdu_start->ppdu_start_timestamp,
315 			msdu_start->sw_phy_meta_data);
316 }
317 
318 /**
319  * hal_rx_dump_msdu_end_tlv_6290: dump RX msdu_end TLV in structured
320  *			     human readable format.
321  * @ msdu_end: pointer the msdu_end TLV in pkt.
322  * @ dbg_level: log level.
323  *
324  * Return: void
325  */
326 static void hal_rx_dump_msdu_end_tlv_6290(void *msduend,
327 					  uint8_t dbg_level)
328 {
329 	struct rx_msdu_end *msdu_end = (struct rx_msdu_end *)msduend;
330 
331 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
332 			"rx_msdu_end tlv - "
333 			"rxpcu_mpdu_filter_in_category: %d "
334 			"sw_frame_group_id: %d "
335 			"phy_ppdu_id: %d "
336 			"ip_hdr_chksum: %d "
337 			"tcp_udp_chksum: %d "
338 			"key_id_octet: %d "
339 			"cce_super_rule: %d "
340 			"cce_classify_not_done_truncat: %d "
341 			"cce_classify_not_done_cce_dis: %d "
342 			"ext_wapi_pn_63_48: %d "
343 			"ext_wapi_pn_95_64: %d "
344 			"ext_wapi_pn_127_96: %d "
345 			"reported_mpdu_length: %d "
346 			"first_msdu: %d "
347 			"last_msdu: %d "
348 			"sa_idx_timeout: %d "
349 			"da_idx_timeout: %d "
350 			"msdu_limit_error: %d "
351 			"flow_idx_timeout: %d "
352 			"flow_idx_invalid: %d "
353 			"wifi_parser_error: %d "
354 			"amsdu_parser_error: %d "
355 			"sa_is_valid: %d "
356 			"da_is_valid: %d "
357 			"da_is_mcbc: %d "
358 			"l3_header_padding: %d "
359 			"ipv6_options_crc: %d "
360 			"tcp_seq_number: %d "
361 			"tcp_ack_number: %d "
362 			"tcp_flag: %d "
363 			"lro_eligible: %d "
364 			"window_size: %d "
365 			"da_offset: %d "
366 			"sa_offset: %d "
367 			"da_offset_valid: %d "
368 			"sa_offset_valid: %d "
369 			"rule_indication_31_0: %d "
370 			"rule_indication_63_32: %d "
371 			"sa_idx: %d "
372 			"da_idx: %d "
373 			"msdu_drop: %d "
374 			"reo_destination_indication: %d "
375 			"flow_idx: %d "
376 			"fse_metadata: %d "
377 			"cce_metadata: %d "
378 			"sa_sw_peer_id: %d ",
379 			msdu_end->rxpcu_mpdu_filter_in_category,
380 			msdu_end->sw_frame_group_id,
381 			msdu_end->phy_ppdu_id,
382 			msdu_end->ip_hdr_chksum,
383 			msdu_end->tcp_udp_chksum,
384 			msdu_end->key_id_octet,
385 			msdu_end->cce_super_rule,
386 			msdu_end->cce_classify_not_done_truncate,
387 			msdu_end->cce_classify_not_done_cce_dis,
388 			msdu_end->ext_wapi_pn_63_48,
389 			msdu_end->ext_wapi_pn_95_64,
390 			msdu_end->ext_wapi_pn_127_96,
391 			msdu_end->reported_mpdu_length,
392 			msdu_end->first_msdu,
393 			msdu_end->last_msdu,
394 			msdu_end->sa_idx_timeout,
395 			msdu_end->da_idx_timeout,
396 			msdu_end->msdu_limit_error,
397 			msdu_end->flow_idx_timeout,
398 			msdu_end->flow_idx_invalid,
399 			msdu_end->wifi_parser_error,
400 			msdu_end->amsdu_parser_error,
401 			msdu_end->sa_is_valid,
402 			msdu_end->da_is_valid,
403 			msdu_end->da_is_mcbc,
404 			msdu_end->l3_header_padding,
405 			msdu_end->ipv6_options_crc,
406 			msdu_end->tcp_seq_number,
407 			msdu_end->tcp_ack_number,
408 			msdu_end->tcp_flag,
409 			msdu_end->lro_eligible,
410 			msdu_end->window_size,
411 			msdu_end->da_offset,
412 			msdu_end->sa_offset,
413 			msdu_end->da_offset_valid,
414 			msdu_end->sa_offset_valid,
415 			msdu_end->rule_indication_31_0,
416 			msdu_end->rule_indication_63_32,
417 			msdu_end->sa_idx,
418 			msdu_end->da_idx,
419 			msdu_end->msdu_drop,
420 			msdu_end->reo_destination_indication,
421 			msdu_end->flow_idx,
422 			msdu_end->fse_metadata,
423 			msdu_end->cce_metadata,
424 			msdu_end->sa_sw_peer_id);
425 }
426 
427 
428 /*
429  * Get tid from RX_MPDU_START
430  */
431 #define HAL_RX_MPDU_INFO_TID_GET(_rx_mpdu_info) \
432 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_mpdu_info),	\
433 		RX_MPDU_INFO_3_TID_OFFSET)),		\
434 		RX_MPDU_INFO_3_TID_MASK,		\
435 		RX_MPDU_INFO_3_TID_LSB))
436 
437 static uint32_t hal_rx_mpdu_start_tid_get_6290(uint8_t *buf)
438 {
439 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
440 	struct rx_mpdu_start *mpdu_start =
441 			&pkt_tlvs->mpdu_start_tlv.rx_mpdu_start;
442 	uint32_t tid;
443 
444 	tid = HAL_RX_MPDU_INFO_TID_GET(&mpdu_start->rx_mpdu_info_details);
445 
446 	return tid;
447 }
448 
449 #define HAL_RX_MSDU_START_RECEPTION_TYPE_GET(_rx_msdu_start) \
450 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_msdu_start),	\
451 	RX_MSDU_START_5_RECEPTION_TYPE_OFFSET)),	\
452 	RX_MSDU_START_5_RECEPTION_TYPE_MASK,		\
453 	RX_MSDU_START_5_RECEPTION_TYPE_LSB))
454 
455 /*
456  * hal_rx_msdu_start_reception_type_get(): API to get the reception type
457  * Interval from rx_msdu_start
458  *
459  * @buf: pointer to the start of RX PKT TLV header
460  * Return: uint32_t(reception_type)
461  */
462 static uint32_t hal_rx_msdu_start_reception_type_get_6290(uint8_t *buf)
463 {
464 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
465 	struct rx_msdu_start *msdu_start =
466 		&pkt_tlvs->msdu_start_tlv.rx_msdu_start;
467 	uint32_t reception_type;
468 
469 	reception_type = HAL_RX_MSDU_START_RECEPTION_TYPE_GET(msdu_start);
470 
471 	return reception_type;
472 }
473 
474 #define HAL_RX_MSDU_END_DA_IDX_GET(_rx_msdu_end)	\
475 	(_HAL_MS((*_OFFSET_TO_WORD_PTR(_rx_msdu_end,	\
476 		RX_MSDU_END_13_DA_IDX_OFFSET)),		\
477 		RX_MSDU_END_13_DA_IDX_MASK,		\
478 		RX_MSDU_END_13_DA_IDX_LSB))
479 
480 /**
481  * hal_rx_msdu_end_da_idx_get_6290: API to get da_idx
482  * from rx_msdu_end TLV
483  *
484  * @ buf: pointer to the start of RX PKT TLV headers
485  * Return: da index
486  */
487 static uint16_t hal_rx_msdu_end_da_idx_get_6290(uint8_t *buf)
488 {
489 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
490 	struct rx_msdu_end *msdu_end = &pkt_tlvs->msdu_end_tlv.rx_msdu_end;
491 	uint16_t da_idx;
492 
493 	da_idx = HAL_RX_MSDU_END_DA_IDX_GET(msdu_end);
494 
495 	return da_idx;
496 }
497 
498