xref: /wlan-dirver/qca-wifi-host-cmn/hal/wifi3.0/qca6390/hal_6390_rx.h (revision dd4dc88b837a295134aa9869114a2efee0f4894b)
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 
59 	mimo_ss_bitmap = HAL_RX_MSDU_START_MIMO_SS_BITMAP(msdu_start);
60 
61 	return qdf_get_hweight8(mimo_ss_bitmap);
62 
63 }
64 
65 /**
66  * hal_rx_mon_hw_desc_get_mpdu_status_6390(): Retrieve MPDU status
67  *
68  * @ hw_desc_addr: Start address of Rx HW TLVs
69  * @ rs: Status for monitor mode
70  *
71  * Return: void
72  */
73 static void hal_rx_mon_hw_desc_get_mpdu_status_6390(void *hw_desc_addr,
74 						    struct mon_rx_status *rs)
75 {
76 	struct rx_msdu_start *rx_msdu_start;
77 	struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr;
78 	uint32_t reg_value;
79 	const uint32_t sgi_hw_to_cdp[] = {
80 		CDP_SGI_0_8_US,
81 		CDP_SGI_0_4_US,
82 		CDP_SGI_1_6_US,
83 		CDP_SGI_3_2_US,
84 	};
85 
86 	rx_msdu_start = &rx_desc->msdu_start_tlv.rx_msdu_start;
87 
88 	HAL_RX_GET_MSDU_AGGREGATION(rx_desc, rs);
89 
90 	rs->ant_signal_db = HAL_RX_GET(rx_msdu_start,
91 				RX_MSDU_START_5, USER_RSSI);
92 	rs->is_stbc = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, STBC);
93 
94 	reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, SGI);
95 	rs->sgi = sgi_hw_to_cdp[reg_value];
96 
97 	reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, RECEPTION_TYPE);
98 	rs->beamformed = (reg_value == HAL_RX_RECEPTION_TYPE_MU_MIMO) ? 1 : 0;
99 	/* TODO: rs->beamformed should be set for SU beamforming also */
100 }
101 
102 #define LINK_DESC_SIZE (NUM_OF_DWORDS_RX_MSDU_LINK << 2)
103 
104 static uint32_t hal_get_link_desc_size_6390(void)
105 {
106 	return LINK_DESC_SIZE;
107 }
108 
109 /*
110  * hal_rx_get_tlv_6390(): API to get the tlv
111  *
112  * @rx_tlv: TLV data extracted from the rx packet
113  * Return: uint8_t
114  */
115 static uint8_t hal_rx_get_tlv_6390(void *rx_tlv)
116 {
117 	return HAL_RX_GET(rx_tlv, PHYRX_RSSI_LEGACY_0, RECEIVE_BANDWIDTH);
118 }
119 
120 /**
121  * hal_rx_proc_phyrx_other_receive_info_tlv_6390()
122  *				    - process other receive info TLV
123  * @rx_tlv_hdr: pointer to TLV header
124  * @ppdu_info: pointer to ppdu_info
125  *
126  * Return: None
127  */
128 static
129 void hal_rx_proc_phyrx_other_receive_info_tlv_6390(void *rx_tlv_hdr,
130 						   void *ppdu_info_handle)
131 {
132 	uint32_t tlv_tag, tlv_len;
133 	uint32_t temp_len, other_tlv_len, other_tlv_tag;
134 	void *rx_tlv = (uint8_t *)rx_tlv_hdr + HAL_RX_TLV32_HDR_SIZE;
135 	void *other_tlv_hdr = NULL;
136 	void *other_tlv = NULL;
137 
138 	tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(rx_tlv_hdr);
139 	tlv_len = HAL_RX_GET_USER_TLV32_LEN(rx_tlv_hdr);
140 	temp_len = 0;
141 
142 	other_tlv_hdr = rx_tlv + HAL_RX_TLV32_HDR_SIZE;
143 
144 	other_tlv_tag = HAL_RX_GET_USER_TLV32_TYPE(other_tlv_hdr);
145 	other_tlv_len = HAL_RX_GET_USER_TLV32_LEN(other_tlv_hdr);
146 	temp_len += other_tlv_len;
147 	other_tlv = other_tlv_hdr + HAL_RX_TLV32_HDR_SIZE;
148 
149 	switch (other_tlv_tag) {
150 	default:
151 		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
152 			  "%s unhandled TLV type: %d, TLV len:%d",
153 			  __func__, other_tlv_tag, other_tlv_len);
154 		break;
155 	}
156 }
157 
158 /**
159  * hal_rx_dump_msdu_start_tlv_6390() : dump RX msdu_start TLV in structured
160  *			     human readable format.
161  * @ msdu_start: pointer the msdu_start TLV in pkt.
162  * @ dbg_level: log level.
163  *
164  * Return: void
165  */
166 static void hal_rx_dump_msdu_start_tlv_6390(void *msdustart, uint8_t dbg_level)
167 {
168 	struct rx_msdu_start *msdu_start = (struct rx_msdu_start *)msdustart;
169 
170 	hal_verbose_debug(
171 			  "rx_msdu_start tlv (1/2) - "
172 			  "rxpcu_mpdu_filter_in_category: %x "
173 			  "sw_frame_group_id: %x "
174 			  "phy_ppdu_id: %x "
175 			  "msdu_length: %x "
176 			  "ipsec_esp: %x "
177 			  "l3_offset: %x "
178 			  "ipsec_ah: %x "
179 			  "l4_offset: %x "
180 			  "msdu_number: %x "
181 			  "decap_format: %x "
182 			  "ipv4_proto: %x "
183 			  "ipv6_proto: %x "
184 			  "tcp_proto: %x "
185 			  "udp_proto: %x "
186 			  "ip_frag: %x "
187 			  "tcp_only_ack: %x "
188 			  "da_is_bcast_mcast: %x "
189 			  "ip4_protocol_ip6_next_header: %x "
190 			  "toeplitz_hash_2_or_4: %x "
191 			  "flow_id_toeplitz: %x "
192 			  "user_rssi: %x "
193 			  "pkt_type: %x "
194 			  "stbc: %x "
195 			  "sgi: %x "
196 			  "rate_mcs: %x "
197 			  "receive_bandwidth: %x "
198 			  "reception_type: %x "
199 			  "ppdu_start_timestamp: %u ",
200 			  msdu_start->rxpcu_mpdu_filter_in_category,
201 			  msdu_start->sw_frame_group_id,
202 			  msdu_start->phy_ppdu_id,
203 			  msdu_start->msdu_length,
204 			  msdu_start->ipsec_esp,
205 			  msdu_start->l3_offset,
206 			  msdu_start->ipsec_ah,
207 			  msdu_start->l4_offset,
208 			  msdu_start->msdu_number,
209 			  msdu_start->decap_format,
210 			  msdu_start->ipv4_proto,
211 			  msdu_start->ipv6_proto,
212 			  msdu_start->tcp_proto,
213 			  msdu_start->udp_proto,
214 			  msdu_start->ip_frag,
215 			  msdu_start->tcp_only_ack,
216 			  msdu_start->da_is_bcast_mcast,
217 			  msdu_start->ip4_protocol_ip6_next_header,
218 			  msdu_start->toeplitz_hash_2_or_4,
219 			  msdu_start->flow_id_toeplitz,
220 			  msdu_start->user_rssi,
221 			  msdu_start->pkt_type,
222 			  msdu_start->stbc,
223 			  msdu_start->sgi,
224 			  msdu_start->rate_mcs,
225 			  msdu_start->receive_bandwidth,
226 			  msdu_start->reception_type,
227 			  msdu_start->ppdu_start_timestamp);
228 
229 	hal_verbose_debug(
230 			  "rx_msdu_start tlv (2/2) - "
231 			  "sw_phy_meta_data: %x ",
232 			  msdu_start->sw_phy_meta_data);
233 }
234 
235 /**
236  * hal_rx_dump_msdu_end_tlv_6390: dump RX msdu_end TLV in structured
237  *			     human readable format.
238  * @ msdu_end: pointer the msdu_end TLV in pkt.
239  * @ dbg_level: log level.
240  *
241  * Return: void
242  */
243 static void hal_rx_dump_msdu_end_tlv_6390(void *msduend,
244 					  uint8_t dbg_level)
245 {
246 	struct rx_msdu_end *msdu_end = (struct rx_msdu_end *)msduend;
247 
248 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
249 			"rx_msdu_end tlv (1/2) - "
250 			"rxpcu_mpdu_filter_in_category: %x "
251 			"sw_frame_group_id: %x "
252 			"phy_ppdu_id: %x "
253 			"ip_hdr_chksum: %x "
254 			"tcp_udp_chksum: %x "
255 			"key_id_octet: %x "
256 			"cce_super_rule: %x "
257 			"cce_classify_not_done_truncat: %x "
258 			"cce_classify_not_done_cce_dis: %x "
259 			"ext_wapi_pn_63_48: %x "
260 			"ext_wapi_pn_95_64: %x "
261 			"ext_wapi_pn_127_96: %x "
262 			"reported_mpdu_length: %x "
263 			"first_msdu: %x "
264 			"last_msdu: %x "
265 			"sa_idx_timeout: %x "
266 			"da_idx_timeout: %x "
267 			"msdu_limit_error: %x "
268 			"flow_idx_timeout: %x "
269 			"flow_idx_invalid: %x "
270 			"wifi_parser_error: %x "
271 			"amsdu_parser_error: %x",
272 			msdu_end->rxpcu_mpdu_filter_in_category,
273 			msdu_end->sw_frame_group_id,
274 			msdu_end->phy_ppdu_id,
275 			msdu_end->ip_hdr_chksum,
276 			msdu_end->tcp_udp_chksum,
277 			msdu_end->key_id_octet,
278 			msdu_end->cce_super_rule,
279 			msdu_end->cce_classify_not_done_truncate,
280 			msdu_end->cce_classify_not_done_cce_dis,
281 			msdu_end->ext_wapi_pn_63_48,
282 			msdu_end->ext_wapi_pn_95_64,
283 			msdu_end->ext_wapi_pn_127_96,
284 			msdu_end->reported_mpdu_length,
285 			msdu_end->first_msdu,
286 			msdu_end->last_msdu,
287 			msdu_end->sa_idx_timeout,
288 			msdu_end->da_idx_timeout,
289 			msdu_end->msdu_limit_error,
290 			msdu_end->flow_idx_timeout,
291 			msdu_end->flow_idx_invalid,
292 			msdu_end->wifi_parser_error,
293 			msdu_end->amsdu_parser_error);
294 
295 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
296 			"rx_msdu_end tlv (2/2)- "
297 			"sa_is_valid: %x "
298 			"da_is_valid: %x "
299 			"da_is_mcbc: %x "
300 			"l3_header_padding: %x "
301 			"ipv6_options_crc: %x "
302 			"tcp_seq_number: %x "
303 			"tcp_ack_number: %x "
304 			"tcp_flag: %x "
305 			"lro_eligible: %x "
306 			"window_size: %x "
307 			"da_offset: %x "
308 			"sa_offset: %x "
309 			"da_offset_valid: %x "
310 			"sa_offset_valid: %x "
311 			"rule_indication_31_0: %x "
312 			"rule_indication_63_32: %x "
313 			"sa_idx: %x "
314 			"da_idx: %x "
315 			"msdu_drop: %x "
316 			"reo_destination_indication: %x "
317 			"flow_idx: %x "
318 			"fse_metadata: %x "
319 			"cce_metadata: %x "
320 			"sa_sw_peer_id: %x ",
321 			msdu_end->sa_is_valid,
322 			msdu_end->da_is_valid,
323 			msdu_end->da_is_mcbc,
324 			msdu_end->l3_header_padding,
325 			msdu_end->ipv6_options_crc,
326 			msdu_end->tcp_seq_number,
327 			msdu_end->tcp_ack_number,
328 			msdu_end->tcp_flag,
329 			msdu_end->lro_eligible,
330 			msdu_end->window_size,
331 			msdu_end->da_offset,
332 			msdu_end->sa_offset,
333 			msdu_end->da_offset_valid,
334 			msdu_end->sa_offset_valid,
335 			msdu_end->rule_indication_31_0,
336 			msdu_end->rule_indication_63_32,
337 			msdu_end->sa_idx,
338 			msdu_end->da_idx_or_sw_peer_id,
339 			msdu_end->msdu_drop,
340 			msdu_end->reo_destination_indication,
341 			msdu_end->flow_idx,
342 			msdu_end->fse_metadata,
343 			msdu_end->cce_metadata,
344 			msdu_end->sa_sw_peer_id);
345 }
346 
347 
348 /*
349  * Get tid from RX_MPDU_START
350  */
351 #define HAL_RX_MPDU_INFO_TID_GET(_rx_mpdu_info) \
352 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_mpdu_info),	\
353 		RX_MPDU_INFO_3_TID_OFFSET)),		\
354 		RX_MPDU_INFO_3_TID_MASK,		\
355 		RX_MPDU_INFO_3_TID_LSB))
356 
357 static uint32_t hal_rx_mpdu_start_tid_get_6390(uint8_t *buf)
358 {
359 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
360 	struct rx_mpdu_start *mpdu_start =
361 			&pkt_tlvs->mpdu_start_tlv.rx_mpdu_start;
362 	uint32_t tid;
363 
364 	tid = HAL_RX_MPDU_INFO_TID_GET(&mpdu_start->rx_mpdu_info_details);
365 
366 	return tid;
367 }
368 
369 #define HAL_RX_MSDU_START_RECEPTION_TYPE_GET(_rx_msdu_start) \
370 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_msdu_start),	\
371 	RX_MSDU_START_5_RECEPTION_TYPE_OFFSET)),	\
372 	RX_MSDU_START_5_RECEPTION_TYPE_MASK,		\
373 	RX_MSDU_START_5_RECEPTION_TYPE_LSB))
374 
375 /*
376  * hal_rx_msdu_start_reception_type_get(): API to get the reception type
377  * Interval from rx_msdu_start
378  *
379  * @buf: pointer to the start of RX PKT TLV header
380  * Return: uint32_t(reception_type)
381  */
382 static
383 uint32_t hal_rx_msdu_start_reception_type_get_6390(uint8_t *buf)
384 {
385 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
386 	struct rx_msdu_start *msdu_start =
387 		&pkt_tlvs->msdu_start_tlv.rx_msdu_start;
388 	uint32_t reception_type;
389 
390 	reception_type = HAL_RX_MSDU_START_RECEPTION_TYPE_GET(msdu_start);
391 
392 	return reception_type;
393 }
394 
395 #define HAL_RX_MSDU_END_DA_IDX_GET(_rx_msdu_end)	\
396 	(_HAL_MS((*_OFFSET_TO_WORD_PTR(_rx_msdu_end,	\
397 		RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_OFFSET)),	\
398 		RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_MASK,	\
399 		RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_LSB))
400 
401  /**
402  * hal_rx_msdu_end_da_idx_get_6390: API to get da_idx
403  * from rx_msdu_end TLV
404  *
405  * @ buf: pointer to the start of RX PKT TLV headers
406  * Return: da index
407  */
408 static uint16_t hal_rx_msdu_end_da_idx_get_6390(uint8_t *buf)
409 {
410 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
411 	struct rx_msdu_end *msdu_end = &pkt_tlvs->msdu_end_tlv.rx_msdu_end;
412 	uint16_t da_idx;
413 
414 	da_idx = HAL_RX_MSDU_END_DA_IDX_GET(msdu_end);
415 
416 	return da_idx;
417 }
418 
419