xref: /wlan-dirver/qca-wifi-host-cmn/target_if/spectral/target_if_spectral_netlink.c (revision f28396d060cff5c6519f883cb28ae0116ce479f1)
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 	int idx = 0;
48 	struct spectral_samp_data *samp_data;
49 	static int samp_msg_index;
50 	size_t pwr_count = 0;
51 	size_t pwr_count_sec80 = 0;
52 	enum spectral_msg_type msg_type;
53 	QDF_STATUS ret;
54 	struct spectral_fft_bin_len_adj_swar *swar = &spectral->len_adj_swar;
55 
56 	ret = target_if_get_spectral_msg_type(params->smode, &msg_type);
57 	if (QDF_IS_STATUS_ERROR(ret))
58 		return;
59 
60 	if ((params->smode == SPECTRAL_SCAN_MODE_AGILE) ||
61 	    is_primaryseg_rx_inprog(spectral)) {
62 		spec_samp_msg  = (struct spectral_samp_msg *)
63 		      spectral->nl_cb.get_sbuff(spectral->pdev_obj,
64 						msg_type,
65 						SPECTRAL_MSG_BUF_NEW);
66 
67 		if (!spec_samp_msg)
68 			return;
69 
70 		samp_data = &spec_samp_msg->samp_data;
71 		p_sops = GET_TARGET_IF_SPECTRAL_OPS(spectral);
72 		bin_pwr_data = params->bin_pwr_data;
73 
74 		spec_samp_msg->signature = SPECTRAL_SIGNATURE;
75 		spec_samp_msg->freq = params->freq;
76 		if (params->smode == SPECTRAL_SCAN_MODE_AGILE)
77 			spec_samp_msg->agile_freq = params->agile_freq;
78 		spec_samp_msg->freq_loading = params->freq_loading;
79 		samp_data->spectral_mode = params->smode;
80 		samp_data->spectral_data_len = params->datalen;
81 		samp_data->spectral_rssi = params->rssi;
82 		samp_data->ch_width = spectral->ch_width;
83 		samp_data->agile_ch_width = spectral->agile_ch_width;
84 		samp_data->spectral_agc_total_gain = params->agc_total_gain;
85 		samp_data->spectral_gainchange = params->gainchange;
86 		samp_data->spectral_pri80ind = params->pri80ind;
87 		samp_data->last_raw_timestamp = params->last_raw_timestamp;
88 		samp_data->timestamp_war_offset = params->timestamp_war_offset;
89 		samp_data->raw_timestamp = params->raw_timestamp;
90 		samp_data->reset_delay = params->reset_delay;
91 		samp_data->target_reset_count = params->target_reset_count;
92 
93 		samp_data->spectral_combined_rssi =
94 		    (uint8_t)params->rssi;
95 		samp_data->spectral_upper_rssi = params->upper_rssi;
96 		samp_data->spectral_lower_rssi = params->lower_rssi;
97 
98 		qdf_mem_copy(samp_data->spectral_chain_ctl_rssi,
99 			     params->chain_ctl_rssi,
100 			     sizeof(params->chain_ctl_rssi));
101 		qdf_mem_copy(samp_data->spectral_chain_ext_rssi,
102 			     params->chain_ext_rssi,
103 			     sizeof(params->chain_ext_rssi));
104 
105 		samp_data->spectral_bwinfo = params->bwinfo;
106 		samp_data->spectral_tstamp = params->tstamp;
107 		samp_data->spectral_max_index = params->max_index;
108 
109 		/* Classifier in user space needs access to these */
110 		samp_data->spectral_lower_max_index =
111 		    params->max_lower_index;
112 		samp_data->spectral_upper_max_index =
113 		    params->max_upper_index;
114 		samp_data->spectral_nb_lower = params->nb_lower;
115 		samp_data->spectral_nb_upper = params->nb_upper;
116 		samp_data->spectral_last_tstamp = params->last_tstamp;
117 		samp_data->spectral_max_mag = params->max_mag;
118 
119 		/*
120 		 * Currently, we compute pwr_count considering the size of the
121 		 * samp_data->bin_pwr array rather than the number of elements
122 		 * in this array. The reasons are that
123 		 * SPECTRAL_MESSAGE_COPY_CHAR_ARRAY() where pwr_count will be
124 		 * used maps directly to OS_MEMCPY() on little endian platforms,
125 		 * and that samp_data->bin_pwr is an array of u_int8_t elements
126 		 * due to which the number of elements in the array == the size
127 		 * of the array. In case FFT bin size is increased from 8 bits
128 		 * in the future, this code would have to be changed along with
129 		 * rest of framework on which it depends.
130 		 */
131 		pwr_count = qdf_min((size_t)params->pwr_count,
132 				    sizeof(samp_data->bin_pwr));
133 
134 		samp_data->bin_pwr_count = pwr_count;
135 		samp_data->lb_edge_extrabins =
136 			spectral->lb_edge_extrabins;
137 		samp_data->rb_edge_extrabins =
138 			spectral->rb_edge_extrabins;
139 		samp_data->spectral_combined_rssi = params->rssi;
140 		samp_data->spectral_max_scale = params->max_exp;
141 
142 		samp_data->noise_floor = params->noise_floor;
143 
144 		/* Classifier in user space needs access to these */
145 		cp = &samp_data->classifier_params;
146 		pcp = &params->classifier_params;
147 
148 		qdf_mem_copy(cp, pcp,
149 			     sizeof(struct spectral_classifier_params));
150 
151 		if (swar->fftbin_size_war ==
152 				SPECTRAL_FFTBIN_SIZE_WAR_4BYTE_TO_1BYTE) {
153 			binptr_32 = (uint32_t *)bin_pwr_data;
154 			for (idx = 0; idx < pwr_count; idx++)
155 				samp_data->bin_pwr[idx] = *(binptr_32++);
156 		} else if (swar->fftbin_size_war ==
157 				SPECTRAL_FFTBIN_SIZE_WAR_2BYTE_TO_1BYTE) {
158 			binptr_16 = (uint16_t *)bin_pwr_data;
159 			for (idx = 0; idx < pwr_count; idx++)
160 				samp_data->bin_pwr[idx] = *(binptr_16++);
161 		} else {
162 			SPECTRAL_MESSAGE_COPY_CHAR_ARRAY(
163 					&samp_data->bin_pwr[0], bin_pwr_data,
164 					pwr_count);
165 		}
166 
167 		p_sops->get_mac_address(spectral, spec_samp_msg->macaddr);
168 	}
169 
170 	if (is_secondaryseg_rx_inprog(spectral)) {
171 		spec_samp_msg  = (struct spectral_samp_msg *)
172 		      spectral->nl_cb.get_sbuff(spectral->pdev_obj,
173 						msg_type,
174 						SPECTRAL_MSG_BUF_SAVED);
175 
176 		if (!spec_samp_msg) {
177 			spectral_err("Spectral SAMP message is NULL");
178 			return;
179 		}
180 
181 		samp_data = &spec_samp_msg->samp_data;
182 		spec_samp_msg->vhtop_ch_freq_seg1 = params->vhtop_ch_freq_seg1;
183 		spec_samp_msg->vhtop_ch_freq_seg2 = params->vhtop_ch_freq_seg2;
184 		samp_data->spectral_rssi_sec80 =
185 		    params->rssi_sec80;
186 		samp_data->noise_floor_sec80 =
187 		    params->noise_floor_sec80;
188 		spec_samp_msg->samp_data.spectral_agc_total_gain_sec80 =
189 			params->agc_total_gain_sec80;
190 		spec_samp_msg->samp_data.spectral_gainchange_sec80 =
191 			params->gainchange_sec80;
192 		spec_samp_msg->samp_data.spectral_pri80ind_sec80 =
193 			params->pri80ind_sec80;
194 
195 		samp_data->spectral_data_len_sec80 =
196 		    params->datalen_sec80;
197 		samp_data->spectral_max_index_sec80 =
198 		    params->max_index_sec80;
199 		samp_data->spectral_max_mag_sec80 =
200 		    params->max_mag_sec80;
201 
202 		samp_data->raw_timestamp_sec80 = params->raw_timestamp_sec80;
203 
204 		/*
205 		 * Currently, we compute pwr_count_sec80 considering the size of
206 		 * the samp_data->bin_pwr_sec80 array rather than the number of
207 		 * elements in this array. The reasons are that
208 		 * SPECTRAL_MESSAGE_COPY_CHAR_ARRAY() where pwr_count_sec80 will
209 		 * be used maps directly to OS_MEMCPY() on little endian
210 		 * platforms, and that samp_data->bin_pwr_sec80 is an array of
211 		 * u_int8_t elements due to which the number of elements in the
212 		 * array == the size of the array. In case FFT bin size is
213 		 * increased from 8 bits in the future, this code would have to
214 		 * be changed along with rest of framework on which it depends.
215 		 */
216 		pwr_count_sec80 = qdf_min((size_t)params->pwr_count_sec80,
217 					  sizeof(samp_data->bin_pwr_sec80));
218 
219 		samp_data->bin_pwr_count_sec80 = pwr_count_sec80;
220 
221 		bin_pwr_data = params->bin_pwr_data_sec80;
222 		if (swar->fftbin_size_war ==
223 				SPECTRAL_FFTBIN_SIZE_WAR_4BYTE_TO_1BYTE) {
224 			binptr_32 = (uint32_t *)bin_pwr_data;
225 			for (idx = 0; idx < pwr_count_sec80; idx++)
226 				samp_data->bin_pwr_sec80[idx] = *(binptr_32++);
227 		} else if (swar->fftbin_size_war ==
228 				SPECTRAL_FFTBIN_SIZE_WAR_2BYTE_TO_1BYTE) {
229 			binptr_16 = (uint16_t *)bin_pwr_data;
230 			for (idx = 0; idx < pwr_count_sec80; idx++)
231 				samp_data->bin_pwr_sec80[idx] = *(binptr_16++);
232 		} else {
233 			SPECTRAL_MESSAGE_COPY_CHAR_ARRAY(
234 					&samp_data->bin_pwr_sec80[0],
235 					params->bin_pwr_data_sec80,
236 					pwr_count_sec80);
237 		}
238 	}
239 
240 	if ((spectral->ch_width != CH_WIDTH_160MHZ) ||
241 	    (params->smode == SPECTRAL_SCAN_MODE_AGILE) ||
242 	    is_secondaryseg_rx_inprog(spectral)) {
243 		if (spectral->send_phy_data(spectral->pdev_obj,
244 					    msg_type) == 0)
245 			spectral->spectral_sent_msg++;
246 		samp_msg_index++;
247 	}
248 
249 	/* Take care of state transitions for 160MHz/ 80p80 */
250 	if ((spectral->spectral_gen == SPECTRAL_GEN3) &&
251 	    (params->smode != SPECTRAL_SCAN_MODE_AGILE))
252 		target_if_160mhz_delivery_state_change(
253 				spectral,
254 				SPECTRAL_DETECTOR_INVALID);
255 }
256