xref: /wlan-dirver/qca-wifi-host-cmn/target_if/spectral/target_if_spectral_netlink.c (revision 97f44cd39e4ff816eaa1710279d28cf6b9e65ad9)
1 /*
2  * Copyright (c) 2011,2017-2020 The Linux Foundation. All rights reserved.
3  *
4  *
5  * Permission to use, copy, modify, and/or distribute this software for
6  * any purpose with or without fee is hereby granted, provided that the
7  * above copyright notice and this permission notice appear in all
8  * copies.
9  *
10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
11  * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
12  * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
13  * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
14  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
15  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
16  * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17  * PERFORMANCE OF THIS SOFTWARE.
18  */
19 
20 #include <osdep.h>
21 #include <wlan_tgt_def_config.h>
22 #include <hif.h>
23 #include <hif_hw_version.h>
24 #include <wmi_unified_api.h>
25 #include <target_if_spectral.h>
26 #include <wlan_lmac_if_def.h>
27 #include <wlan_osif_priv.h>
28 #include <reg_services_public_struct.h>
29 
30 void
31 target_if_spectral_create_samp_msg(struct target_if_spectral *spectral,
32 				   struct target_if_samp_msg_params *params)
33 {
34 	/*
35 	 * XXX : Non-Rentrant. Will be an issue with dual concurrent
36 	 *       operation on multi-processor system
37 	 */
38 
39 	struct spectral_samp_msg *spec_samp_msg = NULL;
40 
41 	uint8_t *bin_pwr_data = NULL;
42 	struct spectral_classifier_params *cp = NULL;
43 	struct spectral_classifier_params *pcp = NULL;
44 	struct target_if_spectral_ops *p_sops = NULL;
45 	uint32_t *binptr_32 = NULL;
46 	uint16_t *binptr_16 = NULL;
47 	uint16_t pwr_16;
48 	int idx = 0;
49 	struct spectral_samp_data *samp_data;
50 	static int samp_msg_index;
51 	size_t pwr_count = 0;
52 	size_t pwr_count_sec80 = 0;
53 	size_t pwr_count_5mhz = 0;
54 	enum spectral_msg_type msg_type;
55 	QDF_STATUS ret;
56 	struct spectral_fft_bin_len_adj_swar *swar = &spectral->len_adj_swar;
57 
58 	ret = target_if_get_spectral_msg_type(params->smode, &msg_type);
59 	if (QDF_IS_STATUS_ERROR(ret))
60 		return;
61 
62 	if (is_primaryseg_rx_inprog(spectral, params->smode)) {
63 		spec_samp_msg  = (struct spectral_samp_msg *)
64 		      spectral->nl_cb.get_sbuff(spectral->pdev_obj,
65 						msg_type,
66 						SPECTRAL_MSG_BUF_NEW);
67 
68 		if (!spec_samp_msg)
69 			return;
70 
71 		samp_data = &spec_samp_msg->samp_data;
72 		p_sops = GET_TARGET_IF_SPECTRAL_OPS(spectral);
73 		bin_pwr_data = params->bin_pwr_data;
74 
75 		spec_samp_msg->signature = SPECTRAL_SIGNATURE;
76 		spec_samp_msg->freq = params->freq;
77 		spec_samp_msg->agile_freq1 = params->agile_freq1;
78 		spec_samp_msg->agile_freq2 = params->agile_freq2;
79 		spec_samp_msg->freq_loading = params->freq_loading;
80 		spec_samp_msg->vhtop_ch_freq_seg1 = params->vhtop_ch_freq_seg1;
81 		spec_samp_msg->vhtop_ch_freq_seg2 = params->vhtop_ch_freq_seg2;
82 		samp_data->spectral_mode = params->smode;
83 		samp_data->spectral_data_len = params->datalen;
84 		samp_data->spectral_rssi = params->rssi;
85 		samp_data->ch_width =
86 				spectral->ch_width[SPECTRAL_SCAN_MODE_NORMAL];
87 		samp_data->agile_ch_width =
88 				spectral->ch_width[SPECTRAL_SCAN_MODE_AGILE];
89 		samp_data->spectral_agc_total_gain = params->agc_total_gain;
90 		samp_data->spectral_gainchange = params->gainchange;
91 		samp_data->spectral_pri80ind = params->pri80ind;
92 		samp_data->last_raw_timestamp = params->last_raw_timestamp;
93 		samp_data->timestamp_war_offset = params->timestamp_war_offset;
94 		samp_data->raw_timestamp = params->raw_timestamp;
95 		samp_data->reset_delay = params->reset_delay;
96 		samp_data->target_reset_count = params->target_reset_count;
97 
98 		samp_data->spectral_combined_rssi =
99 		    (uint8_t)params->rssi;
100 		samp_data->spectral_upper_rssi = params->upper_rssi;
101 		samp_data->spectral_lower_rssi = params->lower_rssi;
102 
103 		qdf_mem_copy(samp_data->spectral_chain_ctl_rssi,
104 			     params->chain_ctl_rssi,
105 			     sizeof(params->chain_ctl_rssi));
106 		qdf_mem_copy(samp_data->spectral_chain_ext_rssi,
107 			     params->chain_ext_rssi,
108 			     sizeof(params->chain_ext_rssi));
109 
110 		samp_data->spectral_bwinfo = params->bwinfo;
111 		samp_data->spectral_tstamp = params->tstamp;
112 		samp_data->spectral_max_index = params->max_index;
113 
114 		/* Classifier in user space needs access to these */
115 		samp_data->spectral_lower_max_index =
116 		    params->max_lower_index;
117 		samp_data->spectral_upper_max_index =
118 		    params->max_upper_index;
119 		samp_data->spectral_nb_lower = params->nb_lower;
120 		samp_data->spectral_nb_upper = params->nb_upper;
121 		samp_data->spectral_last_tstamp = params->last_tstamp;
122 		samp_data->spectral_max_mag = params->max_mag;
123 
124 		/*
125 		 * Currently, we compute pwr_count considering the size of the
126 		 * samp_data->bin_pwr array rather than the number of elements
127 		 * in this array. The reasons are that
128 		 * SPECTRAL_MESSAGE_COPY_CHAR_ARRAY() where pwr_count will be
129 		 * used maps directly to OS_MEMCPY() on little endian platforms,
130 		 * and that samp_data->bin_pwr is an array of u_int8_t elements
131 		 * due to which the number of elements in the array == the size
132 		 * of the array. In case FFT bin size is increased from 8 bits
133 		 * in the future, this code would have to be changed along with
134 		 * rest of framework on which it depends.
135 		 */
136 		pwr_count = qdf_min((size_t)params->pwr_count,
137 				    sizeof(samp_data->bin_pwr));
138 
139 		samp_data->bin_pwr_count = pwr_count;
140 		samp_data->lb_edge_extrabins =
141 			spectral->lb_edge_extrabins;
142 		samp_data->rb_edge_extrabins =
143 			spectral->rb_edge_extrabins;
144 		samp_data->spectral_combined_rssi = params->rssi;
145 		samp_data->spectral_max_scale = params->max_exp;
146 
147 		samp_data->noise_floor = params->noise_floor;
148 
149 		/* Classifier in user space needs access to these */
150 		cp = &samp_data->classifier_params;
151 		pcp = &params->classifier_params;
152 
153 		qdf_mem_copy(cp, pcp,
154 			     sizeof(struct spectral_classifier_params));
155 
156 		/*
157 		 * To check whether FFT bin values exceed 8 bits, we add a
158 		 * check before copying values to samp_data->bin_pwr.
159 		 * If it crosses 8 bits, we cap the values to maximum value
160 		 * supported by 8 bits ie. 255. This needs to be done as the
161 		 * destination array in SAMP message is 8 bits. This is a
162 		 * temporary solution till an array of 16 bits is used for
163 		 * SAMP message.
164 		 */
165 		if (swar->fftbin_size_war ==
166 				SPECTRAL_FFTBIN_SIZE_WAR_4BYTE_TO_1BYTE) {
167 			binptr_32 = (uint32_t *)bin_pwr_data;
168 			for (idx = 0; idx < pwr_count; idx++) {
169 				/* Read only the first 2 bytes of the DWORD */
170 				pwr_16 = *((uint16_t *)binptr_32++);
171 				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
172 					pwr_16 = MAX_FFTBIN_VALUE;
173 				samp_data->bin_pwr[idx] = pwr_16;
174 			}
175 		} else if (swar->fftbin_size_war ==
176 				SPECTRAL_FFTBIN_SIZE_WAR_2BYTE_TO_1BYTE) {
177 			binptr_16 = (uint16_t *)bin_pwr_data;
178 			for (idx = 0; idx < pwr_count; idx++) {
179 				pwr_16 = *(binptr_16++);
180 				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
181 					pwr_16 = MAX_FFTBIN_VALUE;
182 				samp_data->bin_pwr[idx] = pwr_16;
183 			}
184 		} else {
185 			SPECTRAL_MESSAGE_COPY_CHAR_ARRAY(
186 					&samp_data->bin_pwr[0], bin_pwr_data,
187 					pwr_count);
188 		}
189 
190 		p_sops->get_mac_address(spectral, spec_samp_msg->macaddr);
191 	}
192 
193 	if (is_secondaryseg_rx_inprog(spectral, params->smode)) {
194 		spec_samp_msg  = (struct spectral_samp_msg *)
195 		      spectral->nl_cb.get_sbuff(spectral->pdev_obj,
196 						msg_type,
197 						SPECTRAL_MSG_BUF_SAVED);
198 
199 		if (!spec_samp_msg) {
200 			spectral_err("Spectral SAMP message is NULL");
201 			return;
202 		}
203 
204 		samp_data = &spec_samp_msg->samp_data;
205 		samp_data->spectral_rssi_sec80 =
206 		    params->rssi_sec80;
207 		samp_data->noise_floor_sec80 =
208 		    params->noise_floor_sec80;
209 		spec_samp_msg->samp_data.spectral_agc_total_gain_sec80 =
210 			params->agc_total_gain_sec80;
211 		spec_samp_msg->samp_data.spectral_gainchange_sec80 =
212 			params->gainchange_sec80;
213 		spec_samp_msg->samp_data.spectral_pri80ind_sec80 =
214 			params->pri80ind_sec80;
215 
216 		samp_data->spectral_data_len_sec80 =
217 		    params->datalen_sec80;
218 		samp_data->spectral_max_index_sec80 =
219 		    params->max_index_sec80;
220 		samp_data->spectral_max_mag_sec80 =
221 		    params->max_mag_sec80;
222 
223 		samp_data->raw_timestamp_sec80 = params->raw_timestamp_sec80;
224 
225 		/*
226 		 * Currently, we compute pwr_count_sec80 considering the size of
227 		 * the samp_data->bin_pwr_sec80 array rather than the number of
228 		 * elements in this array. The reasons are that
229 		 * SPECTRAL_MESSAGE_COPY_CHAR_ARRAY() where pwr_count_sec80 will
230 		 * be used maps directly to OS_MEMCPY() on little endian
231 		 * platforms, and that samp_data->bin_pwr_sec80 is an array of
232 		 * u_int8_t elements due to which the number of elements in the
233 		 * array == the size of the array. In case FFT bin size is
234 		 * increased from 8 bits in the future, this code would have to
235 		 * be changed along with rest of framework on which it depends.
236 		 */
237 		pwr_count_sec80 = qdf_min((size_t)params->pwr_count_sec80,
238 					  sizeof(samp_data->bin_pwr_sec80));
239 		pwr_count_5mhz = qdf_min((size_t)params->pwr_count_5mhz,
240 					 sizeof(samp_data->bin_pwr_5mhz));
241 
242 		samp_data->bin_pwr_count_sec80 = pwr_count_sec80;
243 		samp_data->bin_pwr_count_5mhz = pwr_count_5mhz;
244 
245 		bin_pwr_data = params->bin_pwr_data_sec80;
246 
247 		/*
248 		 * To check whether FFT bin values exceed 8 bits, we add a
249 		 * check before copying values to samp_data->bin_pwr_sec80.
250 		 * If it crosses 8 bits, we cap the values to maximum value
251 		 * supported by 8 bits ie. 255. This needs to be done as the
252 		 * destination array in SAMP message is 8 bits. This is a
253 		 * temporary solution till an array of 16 bits is used for
254 		 * SAMP message.
255 		 */
256 		if (swar->fftbin_size_war ==
257 				SPECTRAL_FFTBIN_SIZE_WAR_4BYTE_TO_1BYTE) {
258 			binptr_32 = (uint32_t *)bin_pwr_data;
259 			for (idx = 0; idx < pwr_count_sec80; idx++) {
260 				/* Read only the first 2 bytes of the DWORD */
261 				pwr_16 = *((uint16_t *)binptr_32++);
262 				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
263 					pwr_16 = MAX_FFTBIN_VALUE;
264 				samp_data->bin_pwr_sec80[idx] = pwr_16;
265 			}
266 		} else if (swar->fftbin_size_war ==
267 				SPECTRAL_FFTBIN_SIZE_WAR_2BYTE_TO_1BYTE) {
268 			binptr_16 = (uint16_t *)bin_pwr_data;
269 			for (idx = 0; idx < pwr_count_sec80; idx++) {
270 				pwr_16 = *(binptr_16++);
271 				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
272 					pwr_16 = MAX_FFTBIN_VALUE;
273 				samp_data->bin_pwr_sec80[idx] = pwr_16;
274 			}
275 
276 			binptr_16 = (uint16_t *)params->bin_pwr_data_5mhz;
277 			for (idx = 0; idx < pwr_count_5mhz; idx++) {
278 				pwr_16 = *(binptr_16++);
279 				if (qdf_unlikely(pwr_16 > MAX_FFTBIN_VALUE))
280 					pwr_16 = MAX_FFTBIN_VALUE;
281 				samp_data->bin_pwr_5mhz[idx] = pwr_16;
282 			}
283 		} else {
284 			SPECTRAL_MESSAGE_COPY_CHAR_ARRAY(
285 					&samp_data->bin_pwr_sec80[0],
286 					params->bin_pwr_data_sec80,
287 					pwr_count_sec80);
288 		}
289 	}
290 
291 	if (!is_ch_width_160_or_80p80(spectral->ch_width[params->smode]) ||
292 	    is_secondaryseg_rx_inprog(spectral, params->smode)) {
293 		if (spectral->send_phy_data(spectral->pdev_obj,
294 					    msg_type) == 0)
295 			spectral->spectral_sent_msg++;
296 		samp_msg_index++;
297 	}
298 
299 	/* Take care of state transitions for 160MHz/ 80p80 */
300 	if (spectral->spectral_gen == SPECTRAL_GEN3 &&
301 	    is_ch_width_160_or_80p80(spectral->ch_width[params->smode]) &&
302 	    spectral->rparams.fragmentation_160[params->smode])
303 		target_if_160mhz_delivery_state_change(
304 				spectral, params->smode,
305 				SPECTRAL_DETECTOR_ID_INVALID);
306 }
307