xref: /wlan-dirver/qca-wifi-host-cmn/hal/wifi3.0/qca6390/hal_6390_rx.h (revision 1f55ed1a9f5050d8da228aa8dd3fff7c0242aa71)
1 /*
2  * Copyright (c) 2016-2019 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 #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 #define HAL_RX_MSDU_START_MIMO_SS_BITMAP(_rx_msdu_start)\
39 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_msdu_start),\
40 	RX_MSDU_START_5_MIMO_SS_BITMAP_OFFSET)),	\
41 	RX_MSDU_START_5_MIMO_SS_BITMAP_MASK,		\
42 	RX_MSDU_START_5_MIMO_SS_BITMAP_LSB))
43 
44 /*
45  * hal_rx_msdu_start_nss_get_6390(): API to get the NSS
46  * Interval from rx_msdu_start
47  *
48  * @buf: pointer to the start of RX PKT TLV header
49  * Return: uint32_t(nss)
50  */
51 static uint32_t
52 hal_rx_msdu_start_nss_get_6390(uint8_t *buf)
53 {
54 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
55 	struct rx_msdu_start *msdu_start =
56 				&pkt_tlvs->msdu_start_tlv.rx_msdu_start;
57 	uint8_t mimo_ss_bitmap;
58 	uint32_t ss_index;
59 
60 	mimo_ss_bitmap = HAL_RX_MSDU_START_MIMO_SS_BITMAP(msdu_start);
61 	ss_index = qdf_get_hweight8(mimo_ss_bitmap);
62 
63 	/* Hot fix only, maxinum nss number for MCL set to 1 (nss 2)*/
64 	if ((ss_index > 1) && (ss_index <= 3))
65 		ss_index = 1;
66 
67 	return ss_index;
68 }
69 
70 /**
71  * hal_rx_mon_hw_desc_get_mpdu_status_6390(): Retrieve MPDU status
72  *
73  * @ hw_desc_addr: Start address of Rx HW TLVs
74  * @ rs: Status for monitor mode
75  *
76  * Return: void
77  */
78 static void hal_rx_mon_hw_desc_get_mpdu_status_6390(void *hw_desc_addr,
79 						    struct mon_rx_status *rs)
80 {
81 	struct rx_msdu_start *rx_msdu_start;
82 	struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr;
83 	uint32_t reg_value;
84 	const uint32_t sgi_hw_to_cdp[] = {
85 		CDP_SGI_0_8_US,
86 		CDP_SGI_0_4_US,
87 		CDP_SGI_1_6_US,
88 		CDP_SGI_3_2_US,
89 	};
90 
91 	rx_msdu_start = &rx_desc->msdu_start_tlv.rx_msdu_start;
92 
93 	HAL_RX_GET_MSDU_AGGREGATION(rx_desc, rs);
94 
95 	rs->ant_signal_db = HAL_RX_GET(rx_msdu_start,
96 				RX_MSDU_START_5, USER_RSSI);
97 	rs->is_stbc = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, STBC);
98 
99 	reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, SGI);
100 	rs->sgi = sgi_hw_to_cdp[reg_value];
101 
102 	reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, RECEPTION_TYPE);
103 	rs->beamformed = (reg_value == HAL_RX_RECEPTION_TYPE_MU_MIMO) ? 1 : 0;
104 	/* TODO: rs->beamformed should be set for SU beamforming also */
105 }
106 
107 #define LINK_DESC_SIZE (NUM_OF_DWORDS_RX_MSDU_LINK << 2)
108 
109 static uint32_t hal_get_link_desc_size_6390(void)
110 {
111 	return LINK_DESC_SIZE;
112 }
113 
114 /*
115  * hal_rx_get_tlv_6390(): API to get the tlv
116  *
117  * @rx_tlv: TLV data extracted from the rx packet
118  * Return: uint8_t
119  */
120 static uint8_t hal_rx_get_tlv_6390(void *rx_tlv)
121 {
122 	return HAL_RX_GET(rx_tlv, PHYRX_RSSI_LEGACY_0, RECEIVE_BANDWIDTH);
123 }
124 
125 /**
126  * hal_rx_proc_phyrx_other_receive_info_tlv_6390()
127  *				    - process other receive info TLV
128  * @rx_tlv_hdr: pointer to TLV header
129  * @ppdu_info: pointer to ppdu_info
130  *
131  * Return: None
132  */
133 static
134 void hal_rx_proc_phyrx_other_receive_info_tlv_6390(void *rx_tlv_hdr,
135 						   void *ppdu_info_handle)
136 {
137 	uint32_t tlv_tag, tlv_len;
138 	uint32_t temp_len, other_tlv_len, other_tlv_tag;
139 	void *rx_tlv = (uint8_t *)rx_tlv_hdr + HAL_RX_TLV32_HDR_SIZE;
140 	void *other_tlv_hdr = NULL;
141 	void *other_tlv = NULL;
142 
143 	tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(rx_tlv_hdr);
144 	tlv_len = HAL_RX_GET_USER_TLV32_LEN(rx_tlv_hdr);
145 	temp_len = 0;
146 
147 	other_tlv_hdr = rx_tlv + HAL_RX_TLV32_HDR_SIZE;
148 
149 	other_tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(other_tlv_hdr);
150 	other_tlv_len = HAL_RX_GET_USER_TLV32_LEN(other_tlv_hdr);
151 	temp_len += other_tlv_len;
152 	other_tlv = other_tlv_hdr + HAL_RX_TLV32_HDR_SIZE;
153 
154 	switch (other_tlv_tag) {
155 	default:
156 		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
157 			  "%s unhandled TLV type: %d, TLV len:%d",
158 			  __func__, other_tlv_tag, other_tlv_len);
159 		break;
160 	}
161 }
162 
163 /**
164  * hal_rx_dump_msdu_start_tlv_6390() : dump RX msdu_start TLV in structured
165  *			     human readable format.
166  * @ msdu_start: pointer the msdu_start TLV in pkt.
167  * @ dbg_level: log level.
168  *
169  * Return: void
170  */
171 static void hal_rx_dump_msdu_start_tlv_6390(void *msdustart, uint8_t dbg_level)
172 {
173 	struct rx_msdu_start *msdu_start = (struct rx_msdu_start *)msdustart;
174 
175 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
176 			"rx_msdu_start tlv (1/2) - "
177 			"rxpcu_mpdu_filter_in_category: %x "
178 			"sw_frame_group_id: %x "
179 			"phy_ppdu_id: %x "
180 			"msdu_length: %x "
181 			"ipsec_esp: %x "
182 			"l3_offset: %x "
183 			"ipsec_ah: %x "
184 			"l4_offset: %x "
185 			"msdu_number: %x "
186 			"decap_format: %x "
187 			"ipv4_proto: %x "
188 			"ipv6_proto: %x "
189 			"tcp_proto: %x "
190 			"udp_proto: %x "
191 			"ip_frag: %x "
192 			"tcp_only_ack: %x "
193 			"da_is_bcast_mcast: %x "
194 			"ip4_protocol_ip6_next_header: %x "
195 			"toeplitz_hash_2_or_4: %x "
196 			"flow_id_toeplitz: %x "
197 			"user_rssi: %x "
198 			"pkt_type: %x "
199 			"stbc: %x "
200 			"sgi: %x "
201 			"rate_mcs: %x "
202 			"receive_bandwidth: %x "
203 			"reception_type: %x "
204 			"ppdu_start_timestamp: %u ",
205 			msdu_start->rxpcu_mpdu_filter_in_category,
206 			msdu_start->sw_frame_group_id,
207 			msdu_start->phy_ppdu_id,
208 			msdu_start->msdu_length,
209 			msdu_start->ipsec_esp,
210 			msdu_start->l3_offset,
211 			msdu_start->ipsec_ah,
212 			msdu_start->l4_offset,
213 			msdu_start->msdu_number,
214 			msdu_start->decap_format,
215 			msdu_start->ipv4_proto,
216 			msdu_start->ipv6_proto,
217 			msdu_start->tcp_proto,
218 			msdu_start->udp_proto,
219 			msdu_start->ip_frag,
220 			msdu_start->tcp_only_ack,
221 			msdu_start->da_is_bcast_mcast,
222 			msdu_start->ip4_protocol_ip6_next_header,
223 			msdu_start->toeplitz_hash_2_or_4,
224 			msdu_start->flow_id_toeplitz,
225 			msdu_start->user_rssi,
226 			msdu_start->pkt_type,
227 			msdu_start->stbc,
228 			msdu_start->sgi,
229 			msdu_start->rate_mcs,
230 			msdu_start->receive_bandwidth,
231 			msdu_start->reception_type,
232 			msdu_start->ppdu_start_timestamp);
233 
234 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
235 		  "rx_msdu_start tlv (2/2) - "
236 		  "sw_phy_meta_data: %x ",
237 		  msdu_start->sw_phy_meta_data);
238 }
239 
240 /**
241  * hal_rx_dump_msdu_end_tlv_6390: dump RX msdu_end TLV in structured
242  *			     human readable format.
243  * @ msdu_end: pointer the msdu_end TLV in pkt.
244  * @ dbg_level: log level.
245  *
246  * Return: void
247  */
248 static void hal_rx_dump_msdu_end_tlv_6390(void *msduend,
249 					  uint8_t dbg_level)
250 {
251 	struct rx_msdu_end *msdu_end = (struct rx_msdu_end *)msduend;
252 
253 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
254 			"rx_msdu_end tlv (1/2) - "
255 			"rxpcu_mpdu_filter_in_category: %x "
256 			"sw_frame_group_id: %x "
257 			"phy_ppdu_id: %x "
258 			"ip_hdr_chksum: %x "
259 			"tcp_udp_chksum: %x "
260 			"key_id_octet: %x "
261 			"cce_super_rule: %x "
262 			"cce_classify_not_done_truncat: %x "
263 			"cce_classify_not_done_cce_dis: %x "
264 			"ext_wapi_pn_63_48: %x "
265 			"ext_wapi_pn_95_64: %x "
266 			"ext_wapi_pn_127_96: %x "
267 			"reported_mpdu_length: %x "
268 			"first_msdu: %x "
269 			"last_msdu: %x "
270 			"sa_idx_timeout: %x "
271 			"da_idx_timeout: %x "
272 			"msdu_limit_error: %x "
273 			"flow_idx_timeout: %x "
274 			"flow_idx_invalid: %x "
275 			"wifi_parser_error: %x "
276 			"amsdu_parser_error: %x",
277 			msdu_end->rxpcu_mpdu_filter_in_category,
278 			msdu_end->sw_frame_group_id,
279 			msdu_end->phy_ppdu_id,
280 			msdu_end->ip_hdr_chksum,
281 			msdu_end->tcp_udp_chksum,
282 			msdu_end->key_id_octet,
283 			msdu_end->cce_super_rule,
284 			msdu_end->cce_classify_not_done_truncate,
285 			msdu_end->cce_classify_not_done_cce_dis,
286 			msdu_end->ext_wapi_pn_63_48,
287 			msdu_end->ext_wapi_pn_95_64,
288 			msdu_end->ext_wapi_pn_127_96,
289 			msdu_end->reported_mpdu_length,
290 			msdu_end->first_msdu,
291 			msdu_end->last_msdu,
292 			msdu_end->sa_idx_timeout,
293 			msdu_end->da_idx_timeout,
294 			msdu_end->msdu_limit_error,
295 			msdu_end->flow_idx_timeout,
296 			msdu_end->flow_idx_invalid,
297 			msdu_end->wifi_parser_error,
298 			msdu_end->amsdu_parser_error);
299 
300 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
301 			"rx_msdu_end tlv (2/2)- "
302 			"sa_is_valid: %x "
303 			"da_is_valid: %x "
304 			"da_is_mcbc: %x "
305 			"l3_header_padding: %x "
306 			"ipv6_options_crc: %x "
307 			"tcp_seq_number: %x "
308 			"tcp_ack_number: %x "
309 			"tcp_flag: %x "
310 			"lro_eligible: %x "
311 			"window_size: %x "
312 			"da_offset: %x "
313 			"sa_offset: %x "
314 			"da_offset_valid: %x "
315 			"sa_offset_valid: %x "
316 			"rule_indication_31_0: %x "
317 			"rule_indication_63_32: %x "
318 			"sa_idx: %x "
319 			"da_idx: %x "
320 			"msdu_drop: %x "
321 			"reo_destination_indication: %x "
322 			"flow_idx: %x "
323 			"fse_metadata: %x "
324 			"cce_metadata: %x "
325 			"sa_sw_peer_id: %x ",
326 			msdu_end->sa_is_valid,
327 			msdu_end->da_is_valid,
328 			msdu_end->da_is_mcbc,
329 			msdu_end->l3_header_padding,
330 			msdu_end->ipv6_options_crc,
331 			msdu_end->tcp_seq_number,
332 			msdu_end->tcp_ack_number,
333 			msdu_end->tcp_flag,
334 			msdu_end->lro_eligible,
335 			msdu_end->window_size,
336 			msdu_end->da_offset,
337 			msdu_end->sa_offset,
338 			msdu_end->da_offset_valid,
339 			msdu_end->sa_offset_valid,
340 			msdu_end->rule_indication_31_0,
341 			msdu_end->rule_indication_63_32,
342 			msdu_end->sa_idx,
343 			msdu_end->da_idx_or_sw_peer_id,
344 			msdu_end->msdu_drop,
345 			msdu_end->reo_destination_indication,
346 			msdu_end->flow_idx,
347 			msdu_end->fse_metadata,
348 			msdu_end->cce_metadata,
349 			msdu_end->sa_sw_peer_id);
350 }
351 
352 
353 /*
354  * Get tid from RX_MPDU_START
355  */
356 #define HAL_RX_MPDU_INFO_TID_GET(_rx_mpdu_info) \
357 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_mpdu_info),	\
358 		RX_MPDU_INFO_3_TID_OFFSET)),		\
359 		RX_MPDU_INFO_3_TID_MASK,		\
360 		RX_MPDU_INFO_3_TID_LSB))
361 
362 static uint32_t hal_rx_mpdu_start_tid_get_6390(uint8_t *buf)
363 {
364 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
365 	struct rx_mpdu_start *mpdu_start =
366 			&pkt_tlvs->mpdu_start_tlv.rx_mpdu_start;
367 	uint32_t tid;
368 
369 	tid = HAL_RX_MPDU_INFO_TID_GET(&mpdu_start->rx_mpdu_info_details);
370 
371 	return tid;
372 }
373 
374 #define HAL_RX_MSDU_START_RECEPTION_TYPE_GET(_rx_msdu_start) \
375 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_msdu_start),	\
376 	RX_MSDU_START_5_RECEPTION_TYPE_OFFSET)),	\
377 	RX_MSDU_START_5_RECEPTION_TYPE_MASK,		\
378 	RX_MSDU_START_5_RECEPTION_TYPE_LSB))
379 
380 /*
381  * hal_rx_msdu_start_reception_type_get(): API to get the reception type
382  * Interval from rx_msdu_start
383  *
384  * @buf: pointer to the start of RX PKT TLV header
385  * Return: uint32_t(reception_type)
386  */
387 static
388 uint32_t hal_rx_msdu_start_reception_type_get_6390(uint8_t *buf)
389 {
390 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
391 	struct rx_msdu_start *msdu_start =
392 		&pkt_tlvs->msdu_start_tlv.rx_msdu_start;
393 	uint32_t reception_type;
394 
395 	reception_type = HAL_RX_MSDU_START_RECEPTION_TYPE_GET(msdu_start);
396 
397 	return reception_type;
398 }
399 
400 #define HAL_RX_MSDU_END_DA_IDX_GET(_rx_msdu_end)	\
401 	(_HAL_MS((*_OFFSET_TO_WORD_PTR(_rx_msdu_end,	\
402 		RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_OFFSET)),	\
403 		RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_MASK,	\
404 		RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_LSB))
405 
406  /**
407  * hal_rx_msdu_end_da_idx_get_6390: API to get da_idx
408  * from rx_msdu_end TLV
409  *
410  * @ buf: pointer to the start of RX PKT TLV headers
411  * Return: da index
412  */
413 static uint16_t hal_rx_msdu_end_da_idx_get_6390(uint8_t *buf)
414 {
415 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
416 	struct rx_msdu_end *msdu_end = &pkt_tlvs->msdu_end_tlv.rx_msdu_end;
417 	uint16_t da_idx;
418 
419 	da_idx = HAL_RX_MSDU_END_DA_IDX_GET(msdu_end);
420 
421 	return da_idx;
422 }
423 
424