1 // SPDX-License-Identifier: GPL-2.0-only 2 /* 3 * KUnit tests for inform_bss functions 4 * 5 * Copyright (C) 2023-2024 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 17 MODULE_IMPORT_NS(EXPORTED_FOR_KUNIT_TESTING); 18 19 struct 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 31 static 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 }; 225 KUNIT_ARRAY_PARAM_DESC(gen_new_ie, gen_new_ie_cases, desc) 226 227 static 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 } 286 287 static 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 } 313 314 struct inform_bss { 315 struct kunit *test; 316 317 int inform_bss_count; 318 }; 319 320 static 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 } 334 335 static 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 } 404 405 static struct inform_bss_ml_sta_case { 406 const char *desc; 407 int mld_id; 408 bool sta_prof_vendor_elems; 409 bool include_oper_class; 410 } inform_bss_ml_sta_cases[] = { 411 { 412 .desc = "zero_mld_id", 413 .mld_id = 0, 414 .sta_prof_vendor_elems = false, 415 }, { 416 .desc = "zero_mld_id_with_oper_class", 417 .mld_id = 0, 418 .sta_prof_vendor_elems = false, 419 .include_oper_class = true, 420 }, { 421 .desc = "mld_id_eq_1", 422 .mld_id = 1, 423 .sta_prof_vendor_elems = true, 424 }, { 425 .desc = "mld_id_eq_1_with_oper_class", 426 .mld_id = 1, 427 .sta_prof_vendor_elems = true, 428 .include_oper_class = true, 429 }, 430 }; 431 KUNIT_ARRAY_PARAM_DESC(inform_bss_ml_sta, inform_bss_ml_sta_cases, desc) 432 433 static void test_inform_bss_ml_sta(struct kunit *test) 434 { 435 const struct inform_bss_ml_sta_case *params = test->param_value; 436 struct inform_bss ctx = { 437 .test = test, 438 }; 439 struct wiphy *wiphy = T_WIPHY(test, ctx); 440 struct t_wiphy_priv *w_priv = wiphy_priv(wiphy); 441 struct cfg80211_inform_bss inform_bss = { 442 .signal = 50, 443 .drv_data = &ctx, 444 }; 445 struct cfg80211_bss *bss, *link_bss; 446 const struct cfg80211_bss_ies *ies; 447 448 /* sending station */ 449 const u8 bssid[ETH_ALEN] = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x66 }; 450 u64 tsf = 0x1000000000000000ULL; 451 int beacon_int = 100; 452 u16 capability = 0x1234; 453 454 /* Building the frame *************************************************/ 455 struct sk_buff *input = kunit_zalloc_skb(test, 1024, GFP_KERNEL); 456 u8 *len_mle, *len_prof; 457 u8 link_id = 2; 458 struct { 459 struct ieee80211_neighbor_ap_info info; 460 struct ieee80211_tbtt_info_ge_11 ap; 461 } __packed rnr = { 462 .info = { 463 .tbtt_info_hdr = u8_encode_bits(0, IEEE80211_AP_INFO_TBTT_HDR_COUNT), 464 .tbtt_info_len = sizeof(struct ieee80211_tbtt_info_ge_11), 465 .op_class = 81, 466 .channel = 11, 467 }, 468 .ap = { 469 .tbtt_offset = 0xff, 470 .bssid = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x67 }, 471 .short_ssid = 0, /* unused */ 472 .bss_params = 0, 473 .psd_20 = 0, 474 .mld_params.mld_id = params->mld_id, 475 .mld_params.params = 476 le16_encode_bits(link_id, 477 IEEE80211_RNR_MLD_PARAMS_LINK_ID), 478 } 479 }; 480 struct { 481 __le16 control; 482 u8 var_len; 483 u8 mld_mac_addr[ETH_ALEN]; 484 u8 link_id_info; 485 u8 params_change_count; 486 __le16 mld_caps_and_ops; 487 u8 mld_id; 488 __le16 ext_mld_caps_and_ops; 489 } __packed mle_basic_common_info = { 490 .control = 491 cpu_to_le16(IEEE80211_ML_CONTROL_TYPE_BASIC | 492 IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT | 493 IEEE80211_MLC_BASIC_PRES_LINK_ID | 494 (params->mld_id ? IEEE80211_MLC_BASIC_PRES_MLD_ID : 0) | 495 IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP), 496 .mld_id = params->mld_id, 497 .mld_caps_and_ops = cpu_to_le16(0x0102), 498 .ext_mld_caps_and_ops = cpu_to_le16(0x0304), 499 .var_len = sizeof(mle_basic_common_info) - 2 - 500 (params->mld_id ? 0 : 1), 501 .mld_mac_addr = { 0x10, 0x22, 0x33, 0x44, 0x55, 0x60 }, 502 }; 503 struct { 504 __le16 control; 505 u8 var_len; 506 u8 bssid[ETH_ALEN]; 507 __le16 beacon_int; 508 __le64 tsf_offset; 509 __le16 capabilities; /* already part of payload */ 510 } __packed sta_prof = { 511 .control = 512 cpu_to_le16(IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE | 513 IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT | 514 IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT | 515 IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT | 516 u16_encode_bits(link_id, 517 IEEE80211_MLE_STA_CONTROL_LINK_ID)), 518 .var_len = sizeof(sta_prof) - 2 - 2, 519 .bssid = { *rnr.ap.bssid }, 520 .beacon_int = cpu_to_le16(101), 521 .tsf_offset = cpu_to_le64(-123ll), 522 .capabilities = cpu_to_le16(0xdead), 523 }; 524 525 KUNIT_ASSERT_NOT_NULL(test, input); 526 527 w_priv->ops->inform_bss = inform_bss_inc_counter; 528 529 inform_bss.chan = ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(2412)); 530 KUNIT_ASSERT_NOT_NULL(test, inform_bss.chan); 531 532 skb_put_u8(input, WLAN_EID_SSID); 533 skb_put_u8(input, 4); 534 skb_put_data(input, "TEST", 4); 535 536 if (params->include_oper_class) { 537 skb_put_u8(input, WLAN_EID_SUPPORTED_REGULATORY_CLASSES); 538 skb_put_u8(input, 1); 539 skb_put_u8(input, 81); 540 } 541 542 skb_put_u8(input, WLAN_EID_REDUCED_NEIGHBOR_REPORT); 543 skb_put_u8(input, sizeof(rnr)); 544 skb_put_data(input, &rnr, sizeof(rnr)); 545 546 /* build a multi-link element */ 547 skb_put_u8(input, WLAN_EID_EXTENSION); 548 len_mle = skb_put(input, 1); 549 skb_put_u8(input, WLAN_EID_EXT_EHT_MULTI_LINK); 550 skb_put_data(input, &mle_basic_common_info, sizeof(mle_basic_common_info)); 551 if (!params->mld_id) 552 t_skb_remove_member(input, typeof(mle_basic_common_info), mld_id); 553 /* with a STA profile inside */ 554 skb_put_u8(input, IEEE80211_MLE_SUBELEM_PER_STA_PROFILE); 555 len_prof = skb_put(input, 1); 556 skb_put_data(input, &sta_prof, sizeof(sta_prof)); 557 558 if (params->sta_prof_vendor_elems) { 559 /* Put two (vendor) element into sta_prof */ 560 skb_put_u8(input, WLAN_EID_VENDOR_SPECIFIC); 561 skb_put_u8(input, 160); 562 skb_put(input, 160); 563 564 skb_put_u8(input, WLAN_EID_VENDOR_SPECIFIC); 565 skb_put_u8(input, 165); 566 skb_put(input, 165); 567 } 568 569 /* fragment STA profile */ 570 ieee80211_fragment_element(input, len_prof, 571 IEEE80211_MLE_SUBELEM_FRAGMENT); 572 /* fragment MLE */ 573 ieee80211_fragment_element(input, len_mle, WLAN_EID_FRAGMENT); 574 575 /* Put a (vendor) element after the ML element */ 576 skb_put_u8(input, WLAN_EID_VENDOR_SPECIFIC); 577 skb_put_u8(input, 155); 578 skb_put(input, 155); 579 580 /* Submit *************************************************************/ 581 bss = cfg80211_inform_bss_data(wiphy, &inform_bss, 582 CFG80211_BSS_FTYPE_PRESP, bssid, tsf, 583 capability, beacon_int, 584 input->data, input->len, 585 GFP_KERNEL); 586 KUNIT_EXPECT_NOT_NULL(test, bss); 587 KUNIT_EXPECT_EQ(test, ctx.inform_bss_count, 2); 588 589 /* Check link_bss *****************************************************/ 590 link_bss = cfg80211_get_bss(wiphy, NULL, sta_prof.bssid, NULL, 0, 591 IEEE80211_BSS_TYPE_ANY, 592 IEEE80211_PRIVACY_ANY); 593 KUNIT_ASSERT_NOT_NULL(test, link_bss); 594 KUNIT_EXPECT_EQ(test, link_bss->signal, 0); 595 KUNIT_EXPECT_EQ(test, link_bss->beacon_interval, 596 le16_to_cpu(sta_prof.beacon_int)); 597 KUNIT_EXPECT_EQ(test, link_bss->capability, 598 le16_to_cpu(sta_prof.capabilities)); 599 KUNIT_EXPECT_EQ(test, link_bss->bssid_index, 0); 600 KUNIT_EXPECT_PTR_EQ(test, link_bss->channel, 601 ieee80211_get_channel_khz(wiphy, MHZ_TO_KHZ(2462))); 602 603 rcu_read_lock(); 604 ies = rcu_dereference(link_bss->ies); 605 KUNIT_EXPECT_NOT_NULL(test, ies); 606 KUNIT_EXPECT_EQ(test, ies->tsf, tsf + le64_to_cpu(sta_prof.tsf_offset)); 607 /* Resulting length should be: 608 * SSID (inherited) + RNR (inherited) + vendor element(s) + 609 * operating class (if requested) + 610 * generated RNR (if MLD ID == 0) + 611 * MLE common info + MLE header and control 612 */ 613 if (params->sta_prof_vendor_elems) 614 KUNIT_EXPECT_EQ(test, ies->len, 615 6 + 2 + sizeof(rnr) + 2 + 160 + 2 + 165 + 616 (params->include_oper_class ? 3 : 0) + 617 (!params->mld_id ? 22 : 0) + 618 mle_basic_common_info.var_len + 5); 619 else 620 KUNIT_EXPECT_EQ(test, ies->len, 621 6 + 2 + sizeof(rnr) + 2 + 155 + 622 (params->include_oper_class ? 3 : 0) + 623 (!params->mld_id ? 22 : 0) + 624 mle_basic_common_info.var_len + 5); 625 rcu_read_unlock(); 626 627 cfg80211_put_bss(wiphy, bss); 628 cfg80211_put_bss(wiphy, link_bss); 629 } 630 631 static struct kunit_case gen_new_ie_test_cases[] = { 632 KUNIT_CASE_PARAM(test_gen_new_ie, gen_new_ie_gen_params), 633 KUNIT_CASE(test_gen_new_ie_malformed), 634 {} 635 }; 636 637 static struct kunit_suite gen_new_ie = { 638 .name = "cfg80211-ie-generation", 639 .test_cases = gen_new_ie_test_cases, 640 }; 641 642 kunit_test_suite(gen_new_ie); 643 644 static struct kunit_case inform_bss_test_cases[] = { 645 KUNIT_CASE(test_inform_bss_ssid_only), 646 KUNIT_CASE_PARAM(test_inform_bss_ml_sta, inform_bss_ml_sta_gen_params), 647 {} 648 }; 649 650 static struct kunit_suite inform_bss = { 651 .name = "cfg80211-inform-bss", 652 .test_cases = inform_bss_test_cases, 653 }; 654 655 kunit_test_suite(inform_bss); 656