xref: /wlan-dirver/qca-wifi-host-cmn/hal/wifi3.0/qca8074v2/hal_8074v2_rx.h (revision 1397a33f48ea6455be40871470b286e535820eb8)
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 "hal_hw_headers.h"
19 #include "hal_internal.h"
20 #include "cdp_txrx_mon_struct.h"
21 #include "qdf_trace.h"
22 #include "hal_rx.h"
23 #include "hal_tx.h"
24 #include "dp_types.h"
25 #include "hal_api_mon.h"
26 
27 #define HAL_RX_MSDU_START_MIMO_SS_BITMAP(_rx_msdu_start)\
28 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_msdu_start),\
29 	RX_MSDU_START_5_MIMO_SS_BITMAP_OFFSET)),	\
30 	RX_MSDU_START_5_MIMO_SS_BITMAP_MASK,		\
31 	RX_MSDU_START_5_MIMO_SS_BITMAP_LSB))
32 /*
33  * hal_rx_msdu_start_nss_get_8074v2(): API to get the NSS
34  * Interval from rx_msdu_start
35  *
36  * @buf: pointer to the start of RX PKT TLV header
37  * Return: uint32_t(nss)
38  */
39 static uint32_t hal_rx_msdu_start_nss_get_8074v2(uint8_t *buf)
40 {
41 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
42 	struct rx_msdu_start *msdu_start =
43 				&pkt_tlvs->msdu_start_tlv.rx_msdu_start;
44 	uint8_t mimo_ss_bitmap;
45 
46 	mimo_ss_bitmap = HAL_RX_MSDU_START_MIMO_SS_BITMAP(msdu_start);
47 
48 	return qdf_get_hweight8(mimo_ss_bitmap);
49 }
50 
51 /**
52  * hal_rx_mon_hw_desc_get_mpdu_status_8074v2(): Retrieve MPDU status
53  *
54  * @ hw_desc_addr: Start address of Rx HW TLVs
55  * @ rs: Status for monitor mode
56  *
57  * Return: void
58  */
59 static void hal_rx_mon_hw_desc_get_mpdu_status_8074v2(void *hw_desc_addr,
60 						    struct mon_rx_status *rs)
61 {
62 	struct rx_msdu_start *rx_msdu_start;
63 	struct rx_pkt_tlvs *rx_desc = (struct rx_pkt_tlvs *)hw_desc_addr;
64 	uint32_t reg_value;
65 	const uint32_t sgi_hw_to_cdp[] = {
66 		CDP_SGI_0_8_US,
67 		CDP_SGI_0_4_US,
68 		CDP_SGI_1_6_US,
69 		CDP_SGI_3_2_US,
70 	};
71 
72 	rx_msdu_start = &rx_desc->msdu_start_tlv.rx_msdu_start;
73 
74 	HAL_RX_GET_MSDU_AGGREGATION(rx_desc, rs);
75 
76 	rs->ant_signal_db = HAL_RX_GET(rx_msdu_start,
77 				RX_MSDU_START_5, USER_RSSI);
78 	rs->is_stbc = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, STBC);
79 
80 	reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, SGI);
81 	rs->sgi = sgi_hw_to_cdp[reg_value];
82 	reg_value = HAL_RX_GET(rx_msdu_start, RX_MSDU_START_5, RECEPTION_TYPE);
83 	rs->beamformed = (reg_value == HAL_RX_RECEPTION_TYPE_MU_MIMO) ? 1 : 0;
84 	/* TODO: rs->beamformed should be set for SU beamforming also */
85 }
86 
87 #define LINK_DESC_SIZE (NUM_OF_DWORDS_RX_MSDU_LINK << 2)
88 static uint32_t hal_get_link_desc_size_8074v2(void)
89 {
90 	return LINK_DESC_SIZE;
91 }
92 
93 /*
94  * hal_rx_get_tlv_8074v2(): API to get the tlv
95  *
96  * @rx_tlv: TLV data extracted from the rx packet
97  * Return: uint8_t
98  */
99 static uint8_t hal_rx_get_tlv_8074v2(void *rx_tlv)
100 {
101 	return HAL_RX_GET(rx_tlv, PHYRX_RSSI_LEGACY_0, RECEIVE_BANDWIDTH);
102 }
103 
104 /**
105  * hal_rx_proc_phyrx_other_receive_info_tlv_8074v2()
106  *				      -process other receive info TLV
107  * @rx_tlv_hdr: pointer to TLV header
108  * @ppdu_info: pointer to ppdu_info
109  *
110  * Return: None
111  */
112 static
113 void hal_rx_proc_phyrx_other_receive_info_tlv_8074v2(void *rx_tlv_hdr,
114 						   void *ppdu_info)
115 {
116 }
117 
118 
119 /**
120  * hal_rx_dump_msdu_start_tlv_8074v2() : dump RX msdu_start TLV in structured
121  *			     human readable format.
122  * @ msdu_start: pointer the msdu_start TLV in pkt.
123  * @ dbg_level: log level.
124  *
125  * Return: void
126  */
127 static void hal_rx_dump_msdu_start_tlv_8074v2(void *msdustart,
128 					    uint8_t dbg_level)
129 {
130 	struct rx_msdu_start *msdu_start = (struct rx_msdu_start *)msdustart;
131 
132 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
133 			"rx_msdu_start tlv - "
134 			"rxpcu_mpdu_filter_in_category: %d "
135 			"sw_frame_group_id: %d "
136 			"phy_ppdu_id: %d "
137 			"msdu_length: %d "
138 			"ipsec_esp: %d "
139 			"l3_offset: %d "
140 			"ipsec_ah: %d "
141 			"l4_offset: %d "
142 			"msdu_number: %d "
143 			"decap_format: %d "
144 			"ipv4_proto: %d "
145 			"ipv6_proto: %d "
146 			"tcp_proto: %d "
147 			"udp_proto: %d "
148 			"ip_frag: %d "
149 			"tcp_only_ack: %d "
150 			"da_is_bcast_mcast: %d "
151 			"ip4_protocol_ip6_next_header: %d "
152 			"toeplitz_hash_2_or_4: %d "
153 			"flow_id_toeplitz: %d "
154 			"user_rssi: %d "
155 			"pkt_type: %d "
156 			"stbc: %d "
157 			"sgi: %d "
158 			"rate_mcs: %d "
159 			"receive_bandwidth: %d "
160 			"reception_type: %d "
161 			"ppdu_start_timestamp: %d "
162 			"sw_phy_meta_data: %d ",
163 			msdu_start->rxpcu_mpdu_filter_in_category,
164 			msdu_start->sw_frame_group_id,
165 			msdu_start->phy_ppdu_id,
166 			msdu_start->msdu_length,
167 			msdu_start->ipsec_esp,
168 			msdu_start->l3_offset,
169 			msdu_start->ipsec_ah,
170 			msdu_start->l4_offset,
171 			msdu_start->msdu_number,
172 			msdu_start->decap_format,
173 			msdu_start->ipv4_proto,
174 			msdu_start->ipv6_proto,
175 			msdu_start->tcp_proto,
176 			msdu_start->udp_proto,
177 			msdu_start->ip_frag,
178 			msdu_start->tcp_only_ack,
179 			msdu_start->da_is_bcast_mcast,
180 			msdu_start->ip4_protocol_ip6_next_header,
181 			msdu_start->toeplitz_hash_2_or_4,
182 			msdu_start->flow_id_toeplitz,
183 			msdu_start->user_rssi,
184 			msdu_start->pkt_type,
185 			msdu_start->stbc,
186 			msdu_start->sgi,
187 			msdu_start->rate_mcs,
188 			msdu_start->receive_bandwidth,
189 			msdu_start->reception_type,
190 			msdu_start->ppdu_start_timestamp,
191 			msdu_start->sw_phy_meta_data);
192 }
193 
194 /**
195  * hal_rx_dump_msdu_end_tlv_8074v2: dump RX msdu_end TLV in structured
196  *			     human readable format.
197  * @ msdu_end: pointer the msdu_end TLV in pkt.
198  * @ dbg_level: log level.
199  *
200  * Return: void
201  */
202 static void hal_rx_dump_msdu_end_tlv_8074v2(void *msduend,
203 					  uint8_t dbg_level)
204 {
205 	struct rx_msdu_end *msdu_end = (struct rx_msdu_end *)msduend;
206 
207 	QDF_TRACE(QDF_MODULE_ID_DP, dbg_level,
208 			"rx_msdu_end tlv - "
209 			"rxpcu_mpdu_filter_in_category: %d "
210 			"sw_frame_group_id: %d "
211 			"phy_ppdu_id: %d "
212 			"ip_hdr_chksum: %d "
213 			"tcp_udp_chksum: %d "
214 			"key_id_octet: %d "
215 			"cce_super_rule: %d "
216 			"cce_classify_not_done_truncat: %d "
217 			"cce_classify_not_done_cce_dis: %d "
218 			"ext_wapi_pn_63_48: %d "
219 			"ext_wapi_pn_95_64: %d "
220 			"ext_wapi_pn_127_96: %d "
221 			"reported_mpdu_length: %d "
222 			"first_msdu: %d "
223 			"last_msdu: %d "
224 			"sa_idx_timeout: %d "
225 			"da_idx_timeout: %d "
226 			"msdu_limit_error: %d "
227 			"flow_idx_timeout: %d "
228 			"flow_idx_invalid: %d "
229 			"wifi_parser_error: %d "
230 			"amsdu_parser_error: %d "
231 			"sa_is_valid: %d "
232 			"da_is_valid: %d "
233 			"da_is_mcbc: %d "
234 			"l3_header_padding: %d "
235 			"ipv6_options_crc: %d "
236 			"tcp_seq_number: %d "
237 			"tcp_ack_number: %d "
238 			"tcp_flag: %d "
239 			"lro_eligible: %d "
240 			"window_size: %d "
241 			"da_offset: %d "
242 			"sa_offset: %d "
243 			"da_offset_valid: %d "
244 			"sa_offset_valid: %d "
245 			"rule_indication_31_0: %d "
246 			"rule_indication_63_32: %d "
247 			"sa_idx: %d "
248 			"msdu_drop: %d "
249 			"reo_destination_indication: %d "
250 			"flow_idx: %d "
251 			"fse_metadata: %d "
252 			"cce_metadata: %d "
253 			"sa_sw_peer_id: %d ",
254 			msdu_end->rxpcu_mpdu_filter_in_category,
255 			msdu_end->sw_frame_group_id,
256 			msdu_end->phy_ppdu_id,
257 			msdu_end->ip_hdr_chksum,
258 			msdu_end->tcp_udp_chksum,
259 			msdu_end->key_id_octet,
260 			msdu_end->cce_super_rule,
261 			msdu_end->cce_classify_not_done_truncate,
262 			msdu_end->cce_classify_not_done_cce_dis,
263 			msdu_end->ext_wapi_pn_63_48,
264 			msdu_end->ext_wapi_pn_95_64,
265 			msdu_end->ext_wapi_pn_127_96,
266 			msdu_end->reported_mpdu_length,
267 			msdu_end->first_msdu,
268 			msdu_end->last_msdu,
269 			msdu_end->sa_idx_timeout,
270 			msdu_end->da_idx_timeout,
271 			msdu_end->msdu_limit_error,
272 			msdu_end->flow_idx_timeout,
273 			msdu_end->flow_idx_invalid,
274 			msdu_end->wifi_parser_error,
275 			msdu_end->amsdu_parser_error,
276 			msdu_end->sa_is_valid,
277 			msdu_end->da_is_valid,
278 			msdu_end->da_is_mcbc,
279 			msdu_end->l3_header_padding,
280 			msdu_end->ipv6_options_crc,
281 			msdu_end->tcp_seq_number,
282 			msdu_end->tcp_ack_number,
283 			msdu_end->tcp_flag,
284 			msdu_end->lro_eligible,
285 			msdu_end->window_size,
286 			msdu_end->da_offset,
287 			msdu_end->sa_offset,
288 			msdu_end->da_offset_valid,
289 			msdu_end->sa_offset_valid,
290 			msdu_end->rule_indication_31_0,
291 			msdu_end->rule_indication_63_32,
292 			msdu_end->sa_idx,
293 			msdu_end->msdu_drop,
294 			msdu_end->reo_destination_indication,
295 			msdu_end->flow_idx,
296 			msdu_end->fse_metadata,
297 			msdu_end->cce_metadata,
298 			msdu_end->sa_sw_peer_id);
299 }
300 
301 
302 /*
303  * Get tid from RX_MPDU_START
304  */
305 #define HAL_RX_MPDU_INFO_TID_GET(_rx_mpdu_info) \
306 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_mpdu_info),	\
307 		RX_MPDU_INFO_3_TID_OFFSET)),		\
308 		RX_MPDU_INFO_3_TID_MASK,		\
309 		RX_MPDU_INFO_3_TID_LSB))
310 
311 static uint32_t hal_rx_mpdu_start_tid_get_8074v2(uint8_t *buf)
312 {
313 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
314 	struct rx_mpdu_start *mpdu_start =
315 			&pkt_tlvs->mpdu_start_tlv.rx_mpdu_start;
316 	uint32_t tid;
317 
318 	tid = HAL_RX_MPDU_INFO_TID_GET(&mpdu_start->rx_mpdu_info_details);
319 
320 	return tid;
321 }
322 
323 #define HAL_RX_MSDU_START_RECEPTION_TYPE_GET(_rx_msdu_start) \
324 	(_HAL_MS((*_OFFSET_TO_WORD_PTR((_rx_msdu_start),	\
325 	RX_MSDU_START_5_RECEPTION_TYPE_OFFSET)),	\
326 	RX_MSDU_START_5_RECEPTION_TYPE_MASK,		\
327 	RX_MSDU_START_5_RECEPTION_TYPE_LSB))
328 
329 /*
330  * hal_rx_msdu_start_reception_type_get(): API to get the reception type
331  * Interval from rx_msdu_start
332  *
333  * @buf: pointer to the start of RX PKT TLV header
334  * Return: uint32_t(reception_type)
335  */
336 static uint32_t hal_rx_msdu_start_reception_type_get_8074v2(uint8_t *buf)
337 {
338 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
339 	struct rx_msdu_start *msdu_start =
340 		&pkt_tlvs->msdu_start_tlv.rx_msdu_start;
341 	uint32_t reception_type;
342 
343 	reception_type = HAL_RX_MSDU_START_RECEPTION_TYPE_GET(msdu_start);
344 
345 	return reception_type;
346 }
347 
348 /* RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_OFFSET */
349 #define HAL_RX_MSDU_END_DA_IDX_GET(_rx_msdu_end)		\
350 	(_HAL_MS((*_OFFSET_TO_WORD_PTR(_rx_msdu_end,		\
351 		RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_OFFSET)),	\
352 		RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_MASK,	\
353 		RX_MSDU_END_13_DA_IDX_OR_SW_PEER_ID_LSB))
354  /**
355  * hal_rx_msdu_end_da_idx_get_8074v2: API to get da_idx
356  * from rx_msdu_end TLV
357  *
358  * @ buf: pointer to the start of RX PKT TLV headers
359  * Return: da index
360  */
361 static uint16_t hal_rx_msdu_end_da_idx_get_8074v2(uint8_t *buf)
362 {
363 	struct rx_pkt_tlvs *pkt_tlvs = (struct rx_pkt_tlvs *)buf;
364 	struct rx_msdu_end *msdu_end = &pkt_tlvs->msdu_end_tlv.rx_msdu_end;
365 	uint16_t da_idx;
366 
367 	da_idx = HAL_RX_MSDU_END_DA_IDX_GET(msdu_end);
368 
369 	return da_idx;
370 }
371 
372