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1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * KUnit tests for inform_bss functions
4 *
5 * Copyright (C) 2023 Intel Corporation
6 */
7#include <linux/ieee80211.h>
8#include <net/cfg80211.h>
9#include <kunit/test.h>
10#include <kunit/skbuff.h>
11#include "../core.h"
12#include "util.h"
13
14/* mac80211 helpers for element building */
15#include "../../mac80211/ieee80211_i.h"
16
17MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING);
18
19struct test_elem {
20 u8 id;
21 u8 len;
22 union {
23 u8 data[255];
24 struct {
25 u8 eid;
26 u8 edata[254];
27 };
28 };
29};
30
31static struct gen_new_ie_case {
32 const char *desc;
33 struct test_elem parent_ies[16];
34 struct test_elem child_ies[16];
35 struct test_elem result_ies[16];
36} gen_new_ie_cases[] = {
37 {
38 .desc = "ML not inherited",
39 .parent_ies = {
40 { .id = WLAN_EID_EXTENSION, .len = 255,
41 .eid = WLAN_EID_EXT_EHT_MULTI_LINK },
42 },
43 .child_ies = {
44 { .id = WLAN_EID_SSID, .len = 2 },
45 },
46 .result_ies = {
47 { .id = WLAN_EID_SSID, .len = 2 },
48 },
49 },
50 {
51 .desc = "fragments are ignored if previous len not 255",
52 .parent_ies = {
53 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 254, },
54 { .id = WLAN_EID_FRAGMENT, .len = 125, },
55 },
56 .child_ies = {
57 { .id = WLAN_EID_SSID, .len = 2 },
58 { .id = WLAN_EID_FRAGMENT, .len = 125, },
59 },
60 .result_ies = {
61 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 254, },
62 { .id = WLAN_EID_SSID, .len = 2 },
63 },
64 },
65 {
66 .desc = "fragments inherited",
67 .parent_ies = {
68 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
69 { .id = WLAN_EID_FRAGMENT, .len = 125, },
70 },
71 .child_ies = {
72 { .id = WLAN_EID_SSID, .len = 2 },
73 },
74 .result_ies = {
75 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
76 { .id = WLAN_EID_FRAGMENT, .len = 125, },
77 { .id = WLAN_EID_SSID, .len = 2 },
78 },
79 },
80 {
81 .desc = "fragments copied",
82 .parent_ies = {
83 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
84 { .id = WLAN_EID_FRAGMENT, .len = 125, },
85 },
86 .child_ies = {
87 { .id = WLAN_EID_SSID, .len = 2 },
88 },
89 .result_ies = {
90 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
91 { .id = WLAN_EID_FRAGMENT, .len = 125, },
92 { .id = WLAN_EID_SSID, .len = 2 },
93 },
94 },
95 {
96 .desc = "multiple elements inherit",
97 .parent_ies = {
98 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
99 { .id = WLAN_EID_FRAGMENT, .len = 125, },
100 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 123, },
101 },
102 .child_ies = {
103 { .id = WLAN_EID_SSID, .len = 2 },
104 },
105 .result_ies = {
106 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
107 { .id = WLAN_EID_FRAGMENT, .len = 125, },
108 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 123, },
109 { .id = WLAN_EID_SSID, .len = 2 },
110 },
111 },
112 {
113 .desc = "one child element overrides",
114 .parent_ies = {
115 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 255, },
116 { .id = WLAN_EID_FRAGMENT, .len = 125, },
117 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 123, },
118 },
119 .child_ies = {
120 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 127, },
121 { .id = WLAN_EID_SSID, .len = 2 },
122 },
123 .result_ies = {
124 { .id = WLAN_EID_REDUCED_NEIGHBOR_REPORT, .len = 127, },
125 { .id = WLAN_EID_SSID, .len = 2 },
126 },
127 },
128 {
129 .desc = "empty elements from parent",
130 .parent_ies = {
131 { .id = 0x1, .len = 0, },
132 { .id = WLAN_EID_EXTENSION, .len = 1, .eid = 0x10 },
133 },
134 .child_ies = {
135 },
136 .result_ies = {
137 { .id = 0x1, .len = 0, },
138 { .id = WLAN_EID_EXTENSION, .len = 1, .eid = 0x10 },
139 },
140 },
141 {
142 .desc = "empty elements from child",
143 .parent_ies = {
144 },
145 .child_ies = {
146 { .id = 0x1, .len = 0, },
147 { .id = WLAN_EID_EXTENSION, .len = 1, .eid = 0x10 },
148 },
149 .result_ies = {
150 { .id = 0x1, .len = 0, },
151 { .id = WLAN_EID_EXTENSION, .len = 1, .eid = 0x10 },
152 },
153 },
154 {
155 .desc = "invalid extended elements ignored",
156 .parent_ies = {
157 { .id = WLAN_EID_EXTENSION, .len = 0 },
158 },
159 .child_ies = {
160 { .id = WLAN_EID_EXTENSION, .len = 0 },
161 },
162 .result_ies = {
163 },
164 },
165 {
166 .desc = "multiple extended elements",
167 .parent_ies = {
168 { .id = WLAN_EID_EXTENSION, .len = 3,
169 .eid = WLAN_EID_EXT_HE_CAPABILITY },
170 { .id = WLAN_EID_EXTENSION, .len = 5,
171 .eid = WLAN_EID_EXT_ASSOC_DELAY_INFO },
172 { .id = WLAN_EID_EXTENSION, .len = 7,
173 .eid = WLAN_EID_EXT_HE_OPERATION },
174 { .id = WLAN_EID_EXTENSION, .len = 11,
175 .eid = WLAN_EID_EXT_FILS_REQ_PARAMS },
176 },
177 .child_ies = {
178 { .id = WLAN_EID_SSID, .len = 13 },
179 { .id = WLAN_EID_EXTENSION, .len = 17,
180 .eid = WLAN_EID_EXT_HE_CAPABILITY },
181 { .id = WLAN_EID_EXTENSION, .len = 11,
182 .eid = WLAN_EID_EXT_FILS_KEY_CONFIRM },
183 { .id = WLAN_EID_EXTENSION, .len = 19,
184 .eid = WLAN_EID_EXT_HE_OPERATION },
185 },
186 .result_ies = {
187 { .id = WLAN_EID_EXTENSION, .len = 17,
188 .eid = WLAN_EID_EXT_HE_CAPABILITY },
189 { .id = WLAN_EID_EXTENSION, .len = 5,
190 .eid = WLAN_EID_EXT_ASSOC_DELAY_INFO },
191 { .id = WLAN_EID_EXTENSION, .len = 19,
192 .eid = WLAN_EID_EXT_HE_OPERATION },
193 { .id = WLAN_EID_EXTENSION, .len = 11,
194 .eid = WLAN_EID_EXT_FILS_REQ_PARAMS },
195 { .id = WLAN_EID_SSID, .len = 13 },
196 { .id = WLAN_EID_EXTENSION, .len = 11,
197 .eid = WLAN_EID_EXT_FILS_KEY_CONFIRM },
198 },
199 },
200 {
201 .desc = "non-inherit element",
202 .parent_ies = {
203 { .id = 0x1, .len = 7, },
204 { .id = 0x2, .len = 11, },
205 { .id = 0x3, .len = 13, },
206 { .id = WLAN_EID_EXTENSION, .len = 17, .eid = 0x10 },
207 { .id = WLAN_EID_EXTENSION, .len = 19, .eid = 0x11 },
208 { .id = WLAN_EID_EXTENSION, .len = 23, .eid = 0x12 },
209 { .id = WLAN_EID_EXTENSION, .len = 29, .eid = 0x14 },
210 },
211 .child_ies = {
212 { .id = WLAN_EID_EXTENSION,
213 .eid = WLAN_EID_EXT_NON_INHERITANCE,
214 .len = 10,
215 .edata = { 0x3, 0x1, 0x2, 0x3,
216 0x4, 0x10, 0x11, 0x13, 0x14 } },
217 { .id = WLAN_EID_SSID, .len = 2 },
218 },
219 .result_ies = {
220 { .id = WLAN_EID_EXTENSION, .len = 23, .eid = 0x12 },
221 { .id = WLAN_EID_SSID, .len = 2 },
222 },
223 },
224};
225KUNIT_ARRAY_PARAM_DESC(gen_new_ie, gen_new_ie_cases, desc)
226
227static void test_gen_new_ie(struct kunit *test)
228{
229 const struct gen_new_ie_case *params = test->param_value;
230 struct sk_buff *parent = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
231 struct sk_buff *child = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
232 struct sk_buff *reference = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
233 u8 *out = kunit_kzalloc(test, IEEE80211_MAX_DATA_LEN, GFP_KERNEL);
234 size_t len;
235 int i;
236
237 KUNIT_ASSERT_NOT_NULL(test, parent);
238 KUNIT_ASSERT_NOT_NULL(test, child);
239 KUNIT_ASSERT_NOT_NULL(test, reference);
240 KUNIT_ASSERT_NOT_NULL(test, out);
241
242 for (i = 0; i < ARRAY_SIZE(params->parent_ies); i++) {
243 if (params->parent_ies[i].len != 0) {
244 skb_put_u8(parent, params->parent_ies[i].id);
245 skb_put_u8(parent, params->parent_ies[i].len);
246 skb_put_data(parent, params->parent_ies[i].data,
247 params->parent_ies[i].len);
248 }
249
250 if (params->child_ies[i].len != 0) {
251 skb_put_u8(child, params->child_ies[i].id);
252 skb_put_u8(child, params->child_ies[i].len);
253 skb_put_data(child, params->child_ies[i].data,
254 params->child_ies[i].len);
255 }
256
257 if (params->result_ies[i].len != 0) {
258 skb_put_u8(reference, params->result_ies[i].id);
259 skb_put_u8(reference, params->result_ies[i].len);
260 skb_put_data(reference, params->result_ies[i].data,
261 params->result_ies[i].len);
262 }
263 }
264
265 len = cfg80211_gen_new_ie(parent->data, parent->len,
266 child->data, child->len,
267 out, IEEE80211_MAX_DATA_LEN);
268 KUNIT_EXPECT_EQ(test, len, reference->len);
269 KUNIT_EXPECT_MEMEQ(test, out, reference->data, reference->len);
270 memset(out, 0, IEEE80211_MAX_DATA_LEN);
271
272 /* Exactly enough space */
273 len = cfg80211_gen_new_ie(parent->data, parent->len,
274 child->data, child->len,
275 out, reference->len);
276 KUNIT_EXPECT_EQ(test, len, reference->len);
277 KUNIT_EXPECT_MEMEQ(test, out, reference->data, reference->len);
278 memset(out, 0, IEEE80211_MAX_DATA_LEN);
279
280 /* Not enough space (or expected zero length) */
281 len = cfg80211_gen_new_ie(parent->data, parent->len,
282 child->data, child->len,
283 out, reference->len - 1);
284 KUNIT_EXPECT_EQ(test, len, 0);
285}
286
287static void test_gen_new_ie_malformed(struct kunit *test)
288{
289 struct sk_buff *malformed = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
290 u8 *out = kunit_kzalloc(test, IEEE80211_MAX_DATA_LEN, GFP_KERNEL);
291 size_t len;
292
293 KUNIT_ASSERT_NOT_NULL(test, malformed);
294 KUNIT_ASSERT_NOT_NULL(test, out);
295
296 skb_put_u8(malformed, WLAN_EID_SSID);
297 skb_put_u8(malformed, 3);
298 skb_put(malformed, 3);
299 skb_put_u8(malformed, WLAN_EID_REDUCED_NEIGHBOR_REPORT);
300 skb_put_u8(malformed, 10);
301 skb_put(malformed, 9);
302
303 len = cfg80211_gen_new_ie(malformed->data, malformed->len,
304 out, 0,
305 out, IEEE80211_MAX_DATA_LEN);
306 KUNIT_EXPECT_EQ(test, len, 5);
307
308 len = cfg80211_gen_new_ie(out, 0,
309 malformed->data, malformed->len,
310 out, IEEE80211_MAX_DATA_LEN);
311 KUNIT_EXPECT_EQ(test, len, 5);
312}
313
314struct inform_bss {
315 struct kunit *test;
316
317 int inform_bss_count;
318};
319
320static void inform_bss_inc_counter(struct wiphy *wiphy,
321 struct cfg80211_bss *bss,
322 const struct cfg80211_bss_ies *ies,
323 void *drv_data)
324{
325 struct inform_bss *ctx = t_wiphy_ctx(wiphy);
326
327 ctx->inform_bss_count++;
328
329 rcu_read_lock();
330 KUNIT_EXPECT_PTR_EQ(ctx->test, drv_data, ctx);
331 KUNIT_EXPECT_PTR_EQ(ctx->test, ies, rcu_dereference(bss->ies));
332 rcu_read_unlock();
333}
334
335static void test_inform_bss_ssid_only(struct kunit *test)
336{
337 struct inform_bss ctx = {
338 .test = test,
339 };
340 struct wiphy *wiphy = T_WIPHY(test, ctx);
341 struct t_wiphy_priv *w_priv = wiphy_priv(wiphy);
342 struct cfg80211_inform_bss inform_bss = {
343 .signal = 50,
344 .drv_data = &ctx,
345 };
346 const u8 bssid[ETH_ALEN] = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x66 };
347 u64 tsf = 0x1000000000000000ULL;
348 int beacon_int = 100;
349 u16 capability = 0x1234;
350 static const u8 input[] = {
351 [0] = WLAN_EID_SSID,
352 [1] = 4,
353 [2] = 'T', 'E', 'S', 'T'
354 };
355 struct cfg80211_bss *bss, *other;
356 const struct cfg80211_bss_ies *ies;
357
358 w_priv->ops->inform_bss = inform_bss_inc_counter;
359
360 inform_bss.chan = ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(2412));
361 KUNIT_ASSERT_NOT_NULL(test, inform_bss.chan);
362
363 bss = cfg80211_inform_bss_data(wiphy, &inform_bss,
364 CFG80211_BSS_FTYPE_PRESP, bssid, tsf,
365 capability, beacon_int,
366 input, sizeof(input),
367 GFP_KERNEL);
368 KUNIT_EXPECT_NOT_NULL(test, bss);
369 KUNIT_EXPECT_EQ(test, ctx.inform_bss_count, 1);
370
371 /* Check values in returned bss are correct */
372 KUNIT_EXPECT_EQ(test, bss->signal, inform_bss.signal);
373 KUNIT_EXPECT_EQ(test, bss->beacon_interval, beacon_int);
374 KUNIT_EXPECT_EQ(test, bss->capability, capability);
375 KUNIT_EXPECT_EQ(test, bss->bssid_index, 0);
376 KUNIT_EXPECT_PTR_EQ(test, bss->channel, inform_bss.chan);
377 KUNIT_EXPECT_MEMEQ(test, bssid, bss->bssid, sizeof(bssid));
378
379 /* Check the IEs have the expected value */
380 rcu_read_lock();
381 ies = rcu_dereference(bss->ies);
382 KUNIT_EXPECT_NOT_NULL(test, ies);
383 KUNIT_EXPECT_EQ(test, ies->tsf, tsf);
384 KUNIT_EXPECT_EQ(test, ies->len, sizeof(input));
385 KUNIT_EXPECT_MEMEQ(test, ies->data, input, sizeof(input));
386 rcu_read_unlock();
387
388 /* Check we can look up the BSS - by SSID */
389 other = cfg80211_get_bss(wiphy, NULL, NULL, "TEST", 4,
390 IEEE80211_BSS_TYPE_ANY,
391 IEEE80211_PRIVACY_ANY);
392 KUNIT_EXPECT_PTR_EQ(test, bss, other);
393 cfg80211_put_bss(wiphy, other);
394
395 /* Check we can look up the BSS - by BSSID */
396 other = cfg80211_get_bss(wiphy, NULL, bssid, NULL, 0,
397 IEEE80211_BSS_TYPE_ANY,
398 IEEE80211_PRIVACY_ANY);
399 KUNIT_EXPECT_PTR_EQ(test, bss, other);
400 cfg80211_put_bss(wiphy, other);
401
402 cfg80211_put_bss(wiphy, bss);
403}
404
405static struct inform_bss_ml_sta_case {
406 const char *desc;
407 int mld_id;
408 bool sta_prof_vendor_elems;
409} inform_bss_ml_sta_cases[] = {
410 { .desc = "no_mld_id", .mld_id = 0, .sta_prof_vendor_elems = false },
411 { .desc = "mld_id_eq_1", .mld_id = 1, .sta_prof_vendor_elems = true },
412};
413KUNIT_ARRAY_PARAM_DESC(inform_bss_ml_sta, inform_bss_ml_sta_cases, desc)
414
415static void test_inform_bss_ml_sta(struct kunit *test)
416{
417 const struct inform_bss_ml_sta_case *params = test->param_value;
418 struct inform_bss ctx = {
419 .test = test,
420 };
421 struct wiphy *wiphy = T_WIPHY(test, ctx);
422 struct t_wiphy_priv *w_priv = wiphy_priv(wiphy);
423 struct cfg80211_inform_bss inform_bss = {
424 .signal = 50,
425 .drv_data = &ctx,
426 };
427 struct cfg80211_bss *bss, *link_bss;
428 const struct cfg80211_bss_ies *ies;
429
430 /* sending station */
431 const u8 bssid[ETH_ALEN] = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x66 };
432 u64 tsf = 0x1000000000000000ULL;
433 int beacon_int = 100;
434 u16 capability = 0x1234;
435
436 /* Building the frame *************************************************/
437 struct sk_buff *input = kunit_zalloc_skb(test, 1024, GFP_KERNEL);
438 u8 *len_mle, *len_prof;
439 u8 link_id = 2;
440 struct {
441 struct ieee80211_neighbor_ap_info info;
442 struct ieee80211_tbtt_info_ge_11 ap;
443 } __packed rnr = {
444 .info = {
445 .tbtt_info_hdr = u8_encode_bits(0, IEEE80211_AP_INFO_TBTT_HDR_COUNT),
446 .tbtt_info_len = sizeof(struct ieee80211_tbtt_info_ge_11),
447 .op_class = 81,
448 .channel = 11,
449 },
450 .ap = {
451 .tbtt_offset = 0xff,
452 .bssid = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x67 },
453 .short_ssid = 0, /* unused */
454 .bss_params = 0,
455 .psd_20 = 0,
456 .mld_params.mld_id = params->mld_id,
457 .mld_params.params =
458 le16_encode_bits(link_id,
459 IEEE80211_RNR_MLD_PARAMS_LINK_ID),
460 }
461 };
462 struct {
463 __le16 control;
464 u8 var_len;
465 u8 mld_mac_addr[ETH_ALEN];
466 u8 link_id_info;
467 u8 params_change_count;
468 __le16 mld_caps_and_ops;
469 u8 mld_id;
470 __le16 ext_mld_caps_and_ops;
471 } __packed mle_basic_common_info = {
472 .control =
473 cpu_to_le16(IEEE80211_ML_CONTROL_TYPE_BASIC |
474 IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT |
475 IEEE80211_MLC_BASIC_PRES_LINK_ID |
476 (params->mld_id ? IEEE80211_MLC_BASIC_PRES_MLD_ID : 0) |
477 IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP),
478 .mld_id = params->mld_id,
479 .mld_caps_and_ops = cpu_to_le16(0x0102),
480 .ext_mld_caps_and_ops = cpu_to_le16(0x0304),
481 .var_len = sizeof(mle_basic_common_info) - 2 -
482 (params->mld_id ? 0 : 1),
483 .mld_mac_addr = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x60 },
484 };
485 struct {
486 __le16 control;
487 u8 var_len;
488 u8 bssid[ETH_ALEN];
489 __le16 beacon_int;
490 __le64 tsf_offset;
491 __le16 capabilities; /* already part of payload */
492 } __packed sta_prof = {
493 .control =
494 cpu_to_le16(IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE |
495 IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT |
496 IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT |
497 IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT |
498 u16_encode_bits(link_id,
499 IEEE80211_MLE_STA_CONTROL_LINK_ID)),
500 .var_len = sizeof(sta_prof) - 2 - 2,
501 .bssid = { *rnr.ap.bssid },
502 .beacon_int = cpu_to_le16(101),
503 .tsf_offset = cpu_to_le64(-123ll),
504 .capabilities = cpu_to_le16(0xdead),
505 };
506
507 KUNIT_ASSERT_NOT_NULL(test, input);
508
509 w_priv->ops->inform_bss = inform_bss_inc_counter;
510
511 inform_bss.chan = ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(2412));
512 KUNIT_ASSERT_NOT_NULL(test, inform_bss.chan);
513
514 skb_put_u8(input, WLAN_EID_SSID);
515 skb_put_u8(input, 4);
516 skb_put_data(input, "TEST", 4);
517
518 skb_put_u8(input, WLAN_EID_REDUCED_NEIGHBOR_REPORT);
519 skb_put_u8(input, sizeof(rnr));
520 skb_put_data(input, &rnr, sizeof(rnr));
521
522 /* build a multi-link element */
523 skb_put_u8(input, WLAN_EID_EXTENSION);
524 len_mle = skb_put(input, 1);
525 skb_put_u8(input, WLAN_EID_EXT_EHT_MULTI_LINK);
526 skb_put_data(input, &mle_basic_common_info, sizeof(mle_basic_common_info));
527 if (!params->mld_id)
528 t_skb_remove_member(input, typeof(mle_basic_common_info), mld_id);
529 /* with a STA profile inside */
530 skb_put_u8(input, IEEE80211_MLE_SUBELEM_PER_STA_PROFILE);
531 len_prof = skb_put(input, 1);
532 skb_put_data(input, &sta_prof, sizeof(sta_prof));
533
534 if (params->sta_prof_vendor_elems) {
535 /* Put two (vendor) element into sta_prof */
536 skb_put_u8(input, WLAN_EID_VENDOR_SPECIFIC);
537 skb_put_u8(input, 160);
538 skb_put(input, 160);
539
540 skb_put_u8(input, WLAN_EID_VENDOR_SPECIFIC);
541 skb_put_u8(input, 165);
542 skb_put(input, 165);
543 }
544
545 /* fragment STA profile */
546 ieee80211_fragment_element(input, len_prof,
547 IEEE80211_MLE_SUBELEM_FRAGMENT);
548 /* fragment MLE */
549 ieee80211_fragment_element(input, len_mle, WLAN_EID_FRAGMENT);
550
551 /* Put a (vendor) element after the ML element */
552 skb_put_u8(input, WLAN_EID_VENDOR_SPECIFIC);
553 skb_put_u8(input, 155);
554 skb_put(input, 155);
555
556 /* Submit *************************************************************/
557 bss = cfg80211_inform_bss_data(wiphy, &inform_bss,
558 CFG80211_BSS_FTYPE_PRESP, bssid, tsf,
559 capability, beacon_int,
560 input->data, input->len,
561 GFP_KERNEL);
562 KUNIT_EXPECT_NOT_NULL(test, bss);
563 KUNIT_EXPECT_EQ(test, ctx.inform_bss_count, 2);
564
565 /* Check link_bss *****************************************************/
566 link_bss = cfg80211_get_bss(wiphy, NULL, sta_prof.bssid, NULL, 0,
567 IEEE80211_BSS_TYPE_ANY,
568 IEEE80211_PRIVACY_ANY);
569 KUNIT_ASSERT_NOT_NULL(test, link_bss);
570 KUNIT_EXPECT_EQ(test, link_bss->signal, 0);
571 KUNIT_EXPECT_EQ(test, link_bss->beacon_interval,
572 le16_to_cpu(sta_prof.beacon_int));
573 KUNIT_EXPECT_EQ(test, link_bss->capability,
574 le16_to_cpu(sta_prof.capabilities));
575 KUNIT_EXPECT_EQ(test, link_bss->bssid_index, 0);
576 KUNIT_EXPECT_PTR_EQ(test, link_bss->channel,
577 ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(2462)));
578
579 rcu_read_lock();
580 ies = rcu_dereference(link_bss->ies);
581 KUNIT_EXPECT_NOT_NULL(test, ies);
582 KUNIT_EXPECT_EQ(test, ies->tsf, tsf + le64_to_cpu(sta_prof.tsf_offset));
583 /* Resulting length should be:
584 * SSID (inherited) + RNR (inherited) + vendor element(s) +
585 * MLE common info + MLE header and control
586 */
587 if (params->sta_prof_vendor_elems)
588 KUNIT_EXPECT_EQ(test, ies->len,
589 6 + 2 + sizeof(rnr) + 2 + 160 + 2 + 165 +
590 mle_basic_common_info.var_len + 5);
591 else
592 KUNIT_EXPECT_EQ(test, ies->len,
593 6 + 2 + sizeof(rnr) + 2 + 155 +
594 mle_basic_common_info.var_len + 5);
595 rcu_read_unlock();
596
597 cfg80211_put_bss(wiphy, bss);
598 cfg80211_put_bss(wiphy, link_bss);
599}
600
601static struct kunit_case gen_new_ie_test_cases[] = {
602 KUNIT_CASE_PARAM(test_gen_new_ie, gen_new_ie_gen_params),
603 KUNIT_CASE(test_gen_new_ie_malformed),
604 {}
605};
606
607static struct kunit_suite gen_new_ie = {
608 .name = "cfg80211-ie-generation",
609 .test_cases = gen_new_ie_test_cases,
610};
611
612kunit_test_suite(gen_new_ie);
613
614static struct kunit_case inform_bss_test_cases[] = {
615 KUNIT_CASE(test_inform_bss_ssid_only),
616 KUNIT_CASE_PARAM(test_inform_bss_ml_sta, inform_bss_ml_sta_gen_params),
617 {}
618};
619
620static struct kunit_suite inform_bss = {
621 .name = "cfg80211-inform-bss",
622 .test_cases = inform_bss_test_cases,
623};
624
625kunit_test_suite(inform_bss);