xref: /wlan-dirver/qca-wifi-host-cmn/umac/regulatory/core/src/reg_opclass.c (revision fa47688f04ef001a6dcafaebdcc3c031f15ee75e)
1 /*
2  * Copyright (c) 2014-2019 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 
19 /**
20  * DOC: reg_opclass.c
21  * This file defines regulatory opclass functions.
22  */
23 
24 #include <qdf_types.h>
25 #include <wlan_cmn.h>
26 #include <reg_services_public_struct.h>
27 #include <wlan_objmgr_psoc_obj.h>
28 #include "reg_priv_objs.h"
29 #include "reg_getset.h"
30 #include "reg_db.h"
31 #include "reg_db_parser.h"
32 #include "reg_host_11d.h"
33 #include <scheduler_api.h>
34 #include "reg_build_chan_list.h"
35 #include "reg_opclass.h"
36 
37 #ifdef HOST_OPCLASS
38 static struct reg_dmn_supp_op_classes reg_dmn_curr_supp_opp_classes = { 0 };
39 #endif
40 
41 static const struct reg_dmn_op_class_map_t global_op_class[] = {
42 	{81, 25, BW20, {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13} },
43 	{82, 25, BW20, {14} },
44 	{83, 40, BW40_LOW_PRIMARY, {1, 2, 3, 4, 5, 6, 7, 8, 9} },
45 	{84, 40, BW40_HIGH_PRIMARY, {5, 6, 7, 8, 9, 10, 11, 12, 13} },
46 	{115, 20, BW20, {36, 40, 44, 48} },
47 	{116, 40, BW40_LOW_PRIMARY, {36, 44} },
48 	{117, 40, BW40_HIGH_PRIMARY, {40, 48} },
49 	{118, 20, BW20, {52, 56, 60, 64} },
50 	{119, 40, BW40_LOW_PRIMARY, {52, 60} },
51 	{120, 40, BW40_HIGH_PRIMARY, {56, 64} },
52 	{121, 20, BW20,
53 	 {100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140} },
54 	{122, 40, BW40_LOW_PRIMARY, {100, 108, 116, 124, 132} },
55 	{123, 40, BW40_HIGH_PRIMARY, {104, 112, 120, 128, 136} },
56 	{125, 20, BW20, {149, 153, 157, 161, 165, 169} },
57 	{126, 40, BW40_LOW_PRIMARY, {149, 157} },
58 	{127, 40, BW40_HIGH_PRIMARY, {153, 161} },
59 	{128, 80, BW80, {36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108,
60 			   112, 116, 120, 124, 128, 132, 136, 140, 144,
61 			   149, 153, 157, 161} },
62 	{0, 0, 0, {0} },
63 };
64 
65 static const struct reg_dmn_op_class_map_t us_op_class[] = {
66 	{1, 20, BW20, {36, 40, 44, 48} },
67 	{2, 20, BW20, {52, 56, 60, 64} },
68 	{4, 20, BW20, {100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140,
69 		       144} },
70 	{5, 20, BW20, {149, 153, 157, 161, 165} },
71 	{12, 25, BW20, {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11} },
72 	{22, 40, BW40_LOW_PRIMARY, {36, 44} },
73 	{23, 40, BW40_LOW_PRIMARY, {52, 60} },
74 	{24, 40, BW40_LOW_PRIMARY, {100, 108, 116, 124, 132} },
75 	{26, 40, BW40_LOW_PRIMARY, {149, 157} },
76 	{27, 40, BW40_HIGH_PRIMARY, {40, 48} },
77 	{28, 40, BW40_HIGH_PRIMARY, {56, 64} },
78 	{29, 40, BW40_HIGH_PRIMARY, {104, 112, 120, 128, 136} },
79 	{31, 40, BW40_HIGH_PRIMARY, {153, 161} },
80 	{32, 40, BW40_LOW_PRIMARY, {1, 2, 3, 4, 5, 6, 7} },
81 	{33, 40, BW40_HIGH_PRIMARY, {5, 6, 7, 8, 9, 10, 11} },
82 	{128, 80, BW80, {36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108,
83 			 112, 116, 120, 124, 128, 132, 136, 140, 144,
84 			 149, 153, 157, 161} },
85 	{0, 0, 0, {0} },
86 };
87 
88 static const struct reg_dmn_op_class_map_t euro_op_class[] = {
89 	{1, 20, BW20, {36, 40, 44, 48} },
90 	{2, 20, BW20, {52, 56, 60, 64} },
91 	{3, 20, BW20, {100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140} },
92 	{4, 25, BW20, {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13} },
93 	{5, 40, BW40_LOW_PRIMARY, {36, 44} },
94 	{6, 40, BW40_LOW_PRIMARY, {52, 60} },
95 	{7, 40, BW40_LOW_PRIMARY, {100, 108, 116, 124, 132} },
96 	{8, 40, BW40_HIGH_PRIMARY, {40, 48} },
97 	{9, 40, BW40_HIGH_PRIMARY, {56, 64} },
98 	{10, 40, BW40_HIGH_PRIMARY, {104, 112, 120, 128, 136} },
99 	{11, 40, BW40_LOW_PRIMARY, {1, 2, 3, 4, 5, 6, 7, 8, 9} },
100 	{12, 40, BW40_HIGH_PRIMARY, {5, 6, 7, 8, 9, 10, 11, 12, 13} },
101 	{17, 20, BW20, {149, 153, 157, 161, 165, 169} },
102 	{128, 80, BW80, {36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
103 			 116, 120, 124, 128} },
104 	{0, 0, 0, {0} },
105 };
106 
107 static const struct reg_dmn_op_class_map_t japan_op_class[] = {
108 	{1, 20, BW20, {36, 40, 44, 48} },
109 	{30, 25, BW20, {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13} },
110 	{31, 25, BW20, {14} },
111 	{32, 20, BW20, {52, 56, 60, 64} },
112 	{34, 20, BW20,
113 		{100, 104, 108, 112, 116, 120, 124, 128, 132, 136, 140} },
114 	{36, 40, BW40_LOW_PRIMARY, {36, 44} },
115 	{37, 40, BW40_LOW_PRIMARY, {52, 60} },
116 	{39, 40, BW40_LOW_PRIMARY, {100, 108, 116, 124, 132} },
117 	{41, 40, BW40_HIGH_PRIMARY, {40, 48} },
118 	{42, 40, BW40_HIGH_PRIMARY, {56, 64} },
119 	{44, 40, BW40_HIGH_PRIMARY, {104, 112, 120, 128, 136} },
120 	{128, 80, BW80, {36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 108, 112,
121 			 116, 120, 124, 128} },
122 	{0, 0, 0, {0} },
123 };
124 
125 #ifdef HOST_OPCLASS
126 uint16_t reg_dmn_get_chanwidth_from_opclass(uint8_t *country, uint8_t channel,
127 					    uint8_t opclass)
128 {
129 	const struct reg_dmn_op_class_map_t *class;
130 	uint16_t i;
131 
132 	if (!qdf_mem_cmp(country, "US", 2))
133 		class = us_op_class;
134 	else if (!qdf_mem_cmp(country, "EU", 2))
135 		class = euro_op_class;
136 	else if (!qdf_mem_cmp(country, "JP", 2))
137 		class = japan_op_class;
138 	else
139 		class = global_op_class;
140 
141 	while (class->op_class) {
142 		if (opclass == class->op_class) {
143 			for (i = 0; (i < REG_MAX_CHANNELS_PER_OPERATING_CLASS &&
144 				     class->channels[i]); i++) {
145 				if (channel == class->channels[i])
146 					return class->ch_spacing;
147 			}
148 		}
149 		class++;
150 	}
151 
152 	return 0;
153 }
154 
155 uint16_t reg_dmn_get_opclass_from_channel(uint8_t *country, uint8_t channel,
156 					  uint8_t offset)
157 {
158 	const struct reg_dmn_op_class_map_t *class = NULL;
159 	uint16_t i = 0;
160 
161 	if (!qdf_mem_cmp(country, "US", 2))
162 		class = us_op_class;
163 	else if (!qdf_mem_cmp(country, "EU", 2))
164 		class = euro_op_class;
165 	else if (!qdf_mem_cmp(country, "JP", 2))
166 		class = japan_op_class;
167 	else
168 		class = global_op_class;
169 
170 	while (class->op_class) {
171 		if ((offset == class->offset) || (offset == BWALL)) {
172 			for (i = 0; (i < REG_MAX_CHANNELS_PER_OPERATING_CLASS &&
173 				     class->channels[i]); i++) {
174 				if (channel == class->channels[i])
175 					return class->op_class;
176 			}
177 		}
178 		class++;
179 	}
180 
181 	return 0;
182 }
183 
184 uint16_t reg_dmn_set_curr_opclasses(uint8_t num_classes, uint8_t *class)
185 {
186 	uint8_t i;
187 
188 	if (num_classes > REG_MAX_SUPP_OPER_CLASSES) {
189 		reg_err("invalid num classes %d", num_classes);
190 		return 0;
191 	}
192 
193 	for (i = 0; i < num_classes; i++)
194 		reg_dmn_curr_supp_opp_classes.classes[i] = class[i];
195 
196 	reg_dmn_curr_supp_opp_classes.num_classes = num_classes;
197 
198 	return 0;
199 }
200 
201 uint16_t reg_dmn_get_curr_opclasses(uint8_t *num_classes, uint8_t *class)
202 {
203 	uint8_t i;
204 
205 	if (!num_classes || !class) {
206 		reg_err("either num_classes or class is null");
207 		return 0;
208 	}
209 
210 	for (i = 0; i < reg_dmn_curr_supp_opp_classes.num_classes; i++)
211 		class[i] = reg_dmn_curr_supp_opp_classes.classes[i];
212 
213 	*num_classes = reg_dmn_curr_supp_opp_classes.num_classes;
214 
215 	return 0;
216 }
217 #endif
218