1 // SPDX-License-Identifier: GPL-2.0-only 1 // SPDX-License-Identifier: GPL-2.0-only
2 /* 2 /*
3 * KUnit tests for TPE element handling 3 * KUnit tests for TPE element handling
4 * 4 *
5 * Copyright (C) 2024 Intel Corporation 5 * Copyright (C) 2024 Intel Corporation
6 */ 6 */
7 #include <kunit/test.h> 7 #include <kunit/test.h>
8 #include "../ieee80211_i.h" 8 #include "../ieee80211_i.h"
9 9
10 MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING); 10 MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
11 11
12 static struct ieee80211_channel chan6g_1 = { 12 static struct ieee80211_channel chan6g_1 = {
13 .band = NL80211_BAND_6GHZ, 13 .band = NL80211_BAND_6GHZ,
14 .center_freq = 5955, 14 .center_freq = 5955,
15 }; 15 };
16 16
17 static struct ieee80211_channel chan6g_33 = { 17 static struct ieee80211_channel chan6g_33 = {
18 .band = NL80211_BAND_6GHZ, 18 .band = NL80211_BAND_6GHZ,
19 .center_freq = 6115, 19 .center_freq = 6115,
20 }; 20 };
21 21
22 static struct ieee80211_channel chan6g_61 = { 22 static struct ieee80211_channel chan6g_61 = {
23 .band = NL80211_BAND_6GHZ, 23 .band = NL80211_BAND_6GHZ,
24 .center_freq = 6255, 24 .center_freq = 6255,
25 }; 25 };
26 26
27 static const struct subchan_test_case { 27 static const struct subchan_test_case {
28 const char *desc; 28 const char *desc;
29 struct cfg80211_chan_def c; 29 struct cfg80211_chan_def c;
30 u8 n; 30 u8 n;
31 int expect; 31 int expect;
32 } subchan_offset_cases[] = { 32 } subchan_offset_cases[] = {
33 { 33 {
34 .desc = "identical 20 MHz", 34 .desc = "identical 20 MHz",
35 .c.width = NL80211_CHAN_WIDTH_ 35 .c.width = NL80211_CHAN_WIDTH_20,
36 .c.chan = &chan6g_1, 36 .c.chan = &chan6g_1,
37 .c.center_freq1 = 5955, 37 .c.center_freq1 = 5955,
38 .n = 1, 38 .n = 1,
39 .expect = 0, 39 .expect = 0,
40 }, 40 },
41 { 41 {
42 .desc = "identical 40 MHz", 42 .desc = "identical 40 MHz",
43 .c.width = NL80211_CHAN_WIDTH_ 43 .c.width = NL80211_CHAN_WIDTH_40,
44 .c.chan = &chan6g_1, 44 .c.chan = &chan6g_1,
45 .c.center_freq1 = 5965, 45 .c.center_freq1 = 5965,
46 .n = 2, 46 .n = 2,
47 .expect = 0, 47 .expect = 0,
48 }, 48 },
49 { 49 {
50 .desc = "identical 80+80 MHz", 50 .desc = "identical 80+80 MHz",
51 /* not really is valid? doesn' 51 /* not really is valid? doesn't matter for the test */
52 .c.width = NL80211_CHAN_WIDTH_ 52 .c.width = NL80211_CHAN_WIDTH_80P80,
53 .c.chan = &chan6g_1, 53 .c.chan = &chan6g_1,
54 .c.center_freq1 = 5985, 54 .c.center_freq1 = 5985,
55 .c.center_freq2 = 6225, 55 .c.center_freq2 = 6225,
56 .n = 16, 56 .n = 16,
57 .expect = 0, 57 .expect = 0,
58 }, 58 },
59 { 59 {
60 .desc = "identical 320 MHz", 60 .desc = "identical 320 MHz",
61 .c.width = NL80211_CHAN_WIDTH_ 61 .c.width = NL80211_CHAN_WIDTH_320,
62 .c.chan = &chan6g_1, 62 .c.chan = &chan6g_1,
63 .c.center_freq1 = 6105, 63 .c.center_freq1 = 6105,
64 .n = 16, 64 .n = 16,
65 .expect = 0, 65 .expect = 0,
66 }, 66 },
67 { 67 {
68 .desc = "lower 160 MHz of 320 68 .desc = "lower 160 MHz of 320 MHz",
69 .c.width = NL80211_CHAN_WIDTH_ 69 .c.width = NL80211_CHAN_WIDTH_320,
70 .c.chan = &chan6g_1, 70 .c.chan = &chan6g_1,
71 .c.center_freq1 = 6105, 71 .c.center_freq1 = 6105,
72 .n = 8, 72 .n = 8,
73 .expect = 0, 73 .expect = 0,
74 }, 74 },
75 { 75 {
76 .desc = "upper 160 MHz of 320 76 .desc = "upper 160 MHz of 320 MHz",
77 .c.width = NL80211_CHAN_WIDTH_ 77 .c.width = NL80211_CHAN_WIDTH_320,
78 .c.chan = &chan6g_61, 78 .c.chan = &chan6g_61,
79 .c.center_freq1 = 6105, 79 .c.center_freq1 = 6105,
80 .n = 8, 80 .n = 8,
81 .expect = 8, 81 .expect = 8,
82 }, 82 },
83 { 83 {
84 .desc = "upper 160 MHz of 320 84 .desc = "upper 160 MHz of 320 MHz, go to 40",
85 .c.width = NL80211_CHAN_WIDTH_ 85 .c.width = NL80211_CHAN_WIDTH_320,
86 .c.chan = &chan6g_61, 86 .c.chan = &chan6g_61,
87 .c.center_freq1 = 6105, 87 .c.center_freq1 = 6105,
88 .n = 2, 88 .n = 2,
89 .expect = 8 + 4 + 2, 89 .expect = 8 + 4 + 2,
90 }, 90 },
91 { 91 {
92 .desc = "secondary 80 above pr 92 .desc = "secondary 80 above primary in 80+80 MHz",
93 /* not really is valid? doesn' 93 /* not really is valid? doesn't matter for the test */
94 .c.width = NL80211_CHAN_WIDTH_ 94 .c.width = NL80211_CHAN_WIDTH_80P80,
95 .c.chan = &chan6g_1, 95 .c.chan = &chan6g_1,
96 .c.center_freq1 = 5985, 96 .c.center_freq1 = 5985,
97 .c.center_freq2 = 6225, 97 .c.center_freq2 = 6225,
98 .n = 4, 98 .n = 4,
99 .expect = 0, 99 .expect = 0,
100 }, 100 },
101 { 101 {
102 .desc = "secondary 80 below pr 102 .desc = "secondary 80 below primary in 80+80 MHz",
103 /* not really is valid? doesn' 103 /* not really is valid? doesn't matter for the test */
104 .c.width = NL80211_CHAN_WIDTH_ 104 .c.width = NL80211_CHAN_WIDTH_80P80,
105 .c.chan = &chan6g_61, 105 .c.chan = &chan6g_61,
106 .c.center_freq1 = 6225, 106 .c.center_freq1 = 6225,
107 .c.center_freq2 = 5985, 107 .c.center_freq2 = 5985,
108 .n = 4, 108 .n = 4,
109 .expect = 4, 109 .expect = 4,
110 }, 110 },
111 { 111 {
112 .desc = "secondary 80 below pr 112 .desc = "secondary 80 below primary in 80+80 MHz, go to 20",
113 /* not really is valid? doesn' 113 /* not really is valid? doesn't matter for the test */
114 .c.width = NL80211_CHAN_WIDTH_ 114 .c.width = NL80211_CHAN_WIDTH_80P80,
115 .c.chan = &chan6g_61, 115 .c.chan = &chan6g_61,
116 .c.center_freq1 = 6225, 116 .c.center_freq1 = 6225,
117 .c.center_freq2 = 5985, 117 .c.center_freq2 = 5985,
118 .n = 1, 118 .n = 1,
119 .expect = 7, 119 .expect = 7,
120 }, 120 },
121 }; 121 };
122 122
123 KUNIT_ARRAY_PARAM_DESC(subchan_offset, subchan 123 KUNIT_ARRAY_PARAM_DESC(subchan_offset, subchan_offset_cases, desc);
124 124
125 static void subchan_offset(struct kunit *test) 125 static void subchan_offset(struct kunit *test)
126 { 126 {
127 const struct subchan_test_case *params 127 const struct subchan_test_case *params = test->param_value;
128 int offset; 128 int offset;
129 129
130 KUNIT_ASSERT_EQ(test, cfg80211_chandef 130 KUNIT_ASSERT_EQ(test, cfg80211_chandef_valid(¶ms->c), true);
131 131
132 offset = ieee80211_calc_chandef_subcha 132 offset = ieee80211_calc_chandef_subchan_offset(¶ms->c, params->n);
133 133
134 KUNIT_EXPECT_EQ(test, params->expect, 134 KUNIT_EXPECT_EQ(test, params->expect, offset);
135 } 135 }
136 136
137 static const struct psd_reorder_test_case { 137 static const struct psd_reorder_test_case {
138 const char *desc; 138 const char *desc;
139 struct cfg80211_chan_def ap, used; 139 struct cfg80211_chan_def ap, used;
140 struct ieee80211_parsed_tpe_psd psd, o 140 struct ieee80211_parsed_tpe_psd psd, out;
141 } psd_reorder_cases[] = { 141 } psd_reorder_cases[] = {
142 { 142 {
143 .desc = "no changes, 320 MHz", 143 .desc = "no changes, 320 MHz",
144 144
145 .ap.width = NL80211_CHAN_WIDTH 145 .ap.width = NL80211_CHAN_WIDTH_320,
146 .ap.chan = &chan6g_1, 146 .ap.chan = &chan6g_1,
147 .ap.center_freq1 = 6105, 147 .ap.center_freq1 = 6105,
148 148
149 .used.width = NL80211_CHAN_WID 149 .used.width = NL80211_CHAN_WIDTH_320,
150 .used.chan = &chan6g_1, 150 .used.chan = &chan6g_1,
151 .used.center_freq1 = 6105, 151 .used.center_freq1 = 6105,
152 152
153 .psd.valid = true, 153 .psd.valid = true,
154 .psd.count = 16, 154 .psd.count = 16,
155 .psd.n = 8, 155 .psd.n = 8,
156 .psd.power = { 0, 1, 2, 3, 4, 156 .psd.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
157 157
158 .out.valid = true, 158 .out.valid = true,
159 .out.count = 16, 159 .out.count = 16,
160 .out.n = 8, 160 .out.n = 8,
161 .out.power = { 0, 1, 2, 3, 4, 161 .out.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
162 }, 162 },
163 { 163 {
164 .desc = "no changes, 320 MHz, 164 .desc = "no changes, 320 MHz, 160 MHz used, n=0",
165 165
166 .ap.width = NL80211_CHAN_WIDTH 166 .ap.width = NL80211_CHAN_WIDTH_320,
167 .ap.chan = &chan6g_1, 167 .ap.chan = &chan6g_1,
168 .ap.center_freq1 = 6105, 168 .ap.center_freq1 = 6105,
169 169
170 .used.width = NL80211_CHAN_WID 170 .used.width = NL80211_CHAN_WIDTH_160,
171 .used.chan = &chan6g_1, 171 .used.chan = &chan6g_1,
172 .used.center_freq1 = 6025, 172 .used.center_freq1 = 6025,
173 173
174 .psd.valid = true, 174 .psd.valid = true,
175 .psd.count = 16, 175 .psd.count = 16,
176 .psd.n = 0, 176 .psd.n = 0,
177 .psd.power = { 1, 1, 1, 1, 1, 177 .psd.power = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, },
178 178
179 .out.valid = true, 179 .out.valid = true,
180 .out.count = 8, 180 .out.count = 8,
181 .out.n = 0, 181 .out.n = 0,
182 .out.power = { 1, 1, 1, 1, 1, 182 .out.power = { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, },
183 }, 183 },
184 { 184 {
185 .desc = "320 MHz, HE is 80, us 185 .desc = "320 MHz, HE is 80, used 160, all lower",
186 186
187 .ap.width = NL80211_CHAN_WIDTH 187 .ap.width = NL80211_CHAN_WIDTH_320,
188 .ap.chan = &chan6g_1, 188 .ap.chan = &chan6g_1,
189 .ap.center_freq1 = 6105, 189 .ap.center_freq1 = 6105,
190 190
191 .used.width = NL80211_CHAN_WID 191 .used.width = NL80211_CHAN_WIDTH_160,
192 .used.chan = &chan6g_1, 192 .used.chan = &chan6g_1,
193 .used.center_freq1 = 6025, 193 .used.center_freq1 = 6025,
194 194
195 .psd.valid = true, 195 .psd.valid = true,
196 .psd.count = 16, 196 .psd.count = 16,
197 .psd.n = 4, 197 .psd.n = 4,
198 .psd.power = { 0, 1, 2, 3, 4, 198 .psd.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
199 199
200 .out.valid = true, 200 .out.valid = true,
201 .out.count = 8, 201 .out.count = 8,
202 .out.n = 4, 202 .out.n = 4,
203 .out.power = { 0, 1, 2, 3, 4, 203 .out.power = { 0, 1, 2, 3, 4, 5, 6, 7, 127, 127, 127, 127, 127, 127, 127, 127},
204 }, 204 },
205 { 205 {
206 .desc = "320 MHz, HE is 80, us 206 .desc = "320 MHz, HE is 80, used 160, all upper",
207 /* 207 /*
208 * EHT: | | | | | | | | | | | 208 * EHT: | | | | | | | | | | | | | | | | |
209 * HE: 209 * HE: | | | | |
210 * used: | | | 210 * used: | | | | | | | | |
211 */ 211 */
212 212
213 .ap.width = NL80211_CHAN_WIDTH 213 .ap.width = NL80211_CHAN_WIDTH_320,
214 .ap.chan = &chan6g_61, 214 .ap.chan = &chan6g_61,
215 .ap.center_freq1 = 6105, 215 .ap.center_freq1 = 6105,
216 216
217 .used.width = NL80211_CHAN_WID 217 .used.width = NL80211_CHAN_WIDTH_160,
218 .used.chan = &chan6g_61, 218 .used.chan = &chan6g_61,
219 .used.center_freq1 = 6185, 219 .used.center_freq1 = 6185,
220 220
221 .psd.valid = true, 221 .psd.valid = true,
222 .psd.count = 16, 222 .psd.count = 16,
223 .psd.n = 4, 223 .psd.n = 4,
224 .psd.power = { 0, 1, 2, 3, 4, 224 .psd.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
225 225
226 .out.valid = true, 226 .out.valid = true,
227 .out.count = 8, 227 .out.count = 8,
228 .out.n = 4, 228 .out.n = 4,
229 .out.power = { 12, 13, 14, 15, 229 .out.power = { 12, 13, 14, 15, 0, 1, 2, 3, 127, 127, 127, 127, 127, 127, 127, 127},
230 }, 230 },
231 { 231 {
232 .desc = "320 MHz, HE is 80, us 232 .desc = "320 MHz, HE is 80, used 160, split",
233 /* 233 /*
234 * EHT: | | | | | | | | | | | 234 * EHT: | | | | | | | | | | | | | | | | |
235 * HE: | | | 235 * HE: | | | | |
236 * used: | | | 236 * used: | | | | | | | | |
237 */ 237 */
238 238
239 .ap.width = NL80211_CHAN_WIDTH 239 .ap.width = NL80211_CHAN_WIDTH_320,
240 .ap.chan = &chan6g_33, 240 .ap.chan = &chan6g_33,
241 .ap.center_freq1 = 6105, 241 .ap.center_freq1 = 6105,
242 242
243 .used.width = NL80211_CHAN_WID 243 .used.width = NL80211_CHAN_WIDTH_160,
244 .used.chan = &chan6g_33, 244 .used.chan = &chan6g_33,
245 .used.center_freq1 = 6185, 245 .used.center_freq1 = 6185,
246 246
247 .psd.valid = true, 247 .psd.valid = true,
248 .psd.count = 16, 248 .psd.count = 16,
249 .psd.n = 4, 249 .psd.n = 4,
250 .psd.power = { 0, 1, 2, 3, 4, 250 .psd.power = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15 },
251 251
252 .out.valid = true, 252 .out.valid = true,
253 .out.count = 8, 253 .out.count = 8,
254 .out.n = 4, 254 .out.n = 4,
255 .out.power = { 0, 1, 2, 3, 12, 255 .out.power = { 0, 1, 2, 3, 12, 13, 14, 15, 127, 127, 127, 127, 127, 127, 127, 127},
256 }, 256 },
257 }; 257 };
258 258
259 KUNIT_ARRAY_PARAM_DESC(psd_reorder, psd_reorde 259 KUNIT_ARRAY_PARAM_DESC(psd_reorder, psd_reorder_cases, desc);
260 260
261 static void psd_reorder(struct kunit *test) 261 static void psd_reorder(struct kunit *test)
262 { 262 {
263 const struct psd_reorder_test_case *pa 263 const struct psd_reorder_test_case *params = test->param_value;
264 struct ieee80211_parsed_tpe_psd tmp = 264 struct ieee80211_parsed_tpe_psd tmp = params->psd;
265 265
266 KUNIT_ASSERT_EQ(test, cfg80211_chandef 266 KUNIT_ASSERT_EQ(test, cfg80211_chandef_valid(¶ms->ap), true);
267 KUNIT_ASSERT_EQ(test, cfg80211_chandef 267 KUNIT_ASSERT_EQ(test, cfg80211_chandef_valid(¶ms->used), true);
268 268
269 ieee80211_rearrange_tpe_psd(&tmp, &par 269 ieee80211_rearrange_tpe_psd(&tmp, ¶ms->ap, ¶ms->used);
270 KUNIT_EXPECT_MEMEQ(test, &tmp, ¶ms 270 KUNIT_EXPECT_MEMEQ(test, &tmp, ¶ms->out, sizeof(tmp));
271 } 271 }
272 272
273 static struct kunit_case tpe_test_cases[] = { 273 static struct kunit_case tpe_test_cases[] = {
274 KUNIT_CASE_PARAM(subchan_offset, subch 274 KUNIT_CASE_PARAM(subchan_offset, subchan_offset_gen_params),
275 KUNIT_CASE_PARAM(psd_reorder, psd_reor 275 KUNIT_CASE_PARAM(psd_reorder, psd_reorder_gen_params),
276 {} 276 {}
277 }; 277 };
278 278
279 static struct kunit_suite tpe = { 279 static struct kunit_suite tpe = {
280 .name = "mac80211-tpe", 280 .name = "mac80211-tpe",
281 .test_cases = tpe_test_cases, 281 .test_cases = tpe_test_cases,
282 }; 282 };
283 283
284 kunit_test_suite(tpe); 284 kunit_test_suite(tpe);
285 285
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