Lines Matching +full:country +full:- +full:code
2 * Copyright 2002-2005, Instant802 Networks, Inc.
3 * Copyright 2005-2006, Devicescape Software, Inc.
5 * Copyright 2008-2011 Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
6 * Copyright 2013-2014 Intel Mobile Communications GmbH
8 * Copyright (C) 2018 - 2024 Intel Corporation
29 * looking up the allowable channels in a driver-local table and finally
42 * Note: When number of rules --> infinity we will not be able to
65 #include "rdev-ops.h"
75 * enum reg_request_treatment - regulatory request treatment
152 return rcu_dereference_check(wiphy->regd, in get_wiphy_regdom()
153 lockdep_is_held(&wiphy->mtx) || in get_wiphy_regdom()
181 dfs_region = regd->dfs_region; in reg_get_dfs_region()
190 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) { in reg_get_dfs_region()
191 dfs_region = wiphy_regd->dfs_region; in reg_get_dfs_region()
195 if (wiphy_regd->dfs_region == regd->dfs_region) in reg_get_dfs_region()
199 dev_name(&wiphy->dev), in reg_get_dfs_region()
200 reg_dfs_region_str(wiphy_regd->dfs_region), in reg_get_dfs_region()
201 reg_dfs_region_str(regd->dfs_region)); in reg_get_dfs_region()
249 REG_RULE(2412-10, 2462+10, 40, 6, 20, 0),
251 REG_RULE(2467-10, 2472+10, 20, 6, 20,
253 /* IEEE 802.11 channel 14 - Only JP enables
255 REG_RULE(2484-10, 2484+10, 20, 6, 20,
259 REG_RULE(5180-10, 5240+10, 80, 6, 20,
263 /* IEEE 802.11a, channel 52..64 - DFS required */
264 REG_RULE(5260-10, 5320+10, 80, 6, 20,
269 /* IEEE 802.11a, channel 100..144 - DFS required */
270 REG_RULE(5500-10, 5720+10, 160, 6, 20,
275 REG_RULE(5745-10, 5825+10, 80, 6, 20,
279 REG_RULE(56160+2160*1-1080, 56160+2160*3+1080, 2160, 0, 0, 0),
292 MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
426 return !alpha2_equal(r->alpha2, alpha2); in regdom_changes()
454 regd = kzalloc(struct_size(regd, reg_rules, src_regd->n_reg_rules), in reg_copy_regd()
457 return ERR_PTR(-ENOMEM); in reg_copy_regd()
461 for (i = 0; i < src_regd->n_reg_rules; i++) in reg_copy_regd()
462 memcpy(®d->reg_rules[i], &src_regd->reg_rules[i], in reg_copy_regd()
496 list_del(&request->list); in reg_regdb_apply()
498 set_regdom(request->regdom, REGD_SOURCE_INTERNAL_DB); in reg_regdb_apply()
515 return -ENOMEM; in reg_schedule_apply()
518 request->regdom = regdom; in reg_schedule_apply()
521 list_add_tail(&request->list, ®_regdb_apply_list); in reg_schedule_apply()
562 * This lets us keep regulatory code which is updated on a regulatory
567 char country[12]; in call_crda() local
568 char *env[] = { country, NULL }; in call_crda()
571 snprintf(country, sizeof(country), "COUNTRY=%c%c", in call_crda()
576 return -EINVAL; in call_crda()
580 pr_debug("Calling CRDA for country: %c%c\n", in call_crda()
585 ret = kobject_uevent_env(®_pdev->dev.kobj, KOBJ_CHANGE, env); in call_crda()
599 return -ENODATA; in call_crda()
603 /* code to directly load a firmware database through request_firmware */
655 struct fwdb_country country[]; member
660 return (1 << ecw) - 1; in ecw2cw()
687 if ((u8 *)rule + sizeof(rule->len) > data + size) in valid_rule()
691 if (rule->len < offsetofend(struct fwdb_rule, max_bw)) in valid_rule()
693 if (rule->len >= offsetofend(struct fwdb_rule, wmm_ptr)) { in valid_rule()
694 u32 wmm_ptr = be16_to_cpu(rule->wmm_ptr) << 2; in valid_rule()
709 const struct fwdb_country *country) in valid_country() argument
711 unsigned int ptr = be16_to_cpu(country->coll_ptr) << 2; in valid_country()
721 if ((u8 *)coll + ALIGN(coll->len, 2) + in valid_country()
722 (coll->n_rules * 2) > data + size) in valid_country()
726 if (coll->len < offsetofend(struct fwdb_collection, dfs_region)) in valid_country()
729 rules_ptr = (void *)((u8 *)coll + ALIGN(coll->len, 2)); in valid_country()
731 for (i = 0; i < coll->n_rules; i++) { in valid_country()
742 #include <keys/asymmetric-type.h>
757 pr_notice("Loading compiled-in X.509 certificates for regulatory database\n"); in load_builtin_regdb_keys()
781 if (request_firmware(&sig, "regulatory.db.p7s", ®_pdev->dev)) in regdb_has_valid_signature()
784 result = verify_pkcs7_signature(data, size, sig->data, sig->size, in regdb_has_valid_signature()
817 const struct fwdb_country *country; in valid_regdb() local
822 if (hdr->magic != cpu_to_be32(FWDB_MAGIC)) in valid_regdb()
825 if (hdr->version != cpu_to_be32(FWDB_VERSION)) in valid_regdb()
831 country = &hdr->country[0]; in valid_regdb()
832 while ((u8 *)(country + 1) <= data + size) { in valid_regdb()
833 if (!country->coll_ptr) in valid_regdb()
835 if (!valid_country(data, size, country)) in valid_regdb()
837 country++; in valid_regdb()
844 const struct fwdb_country *country, in set_wmm_rule() argument
848 struct ieee80211_wmm_rule *wmm_rule = &rrule->wmm_rule; in set_wmm_rule()
852 wmm_ptr = be16_to_cpu(rule->wmm_ptr) << 2; in set_wmm_rule()
856 pr_err("Invalid regulatory WMM rule %u-%u in domain %c%c\n", in set_wmm_rule()
857 be32_to_cpu(rule->start), be32_to_cpu(rule->end), in set_wmm_rule()
858 country->alpha2[0], country->alpha2[1]); in set_wmm_rule()
863 wmm_rule->client[i].cw_min = in set_wmm_rule()
864 ecw2cw((wmm->client[i].ecw & 0xf0) >> 4); in set_wmm_rule()
865 wmm_rule->client[i].cw_max = ecw2cw(wmm->client[i].ecw & 0x0f); in set_wmm_rule()
866 wmm_rule->client[i].aifsn = wmm->client[i].aifsn; in set_wmm_rule()
867 wmm_rule->client[i].cot = in set_wmm_rule()
868 1000 * be16_to_cpu(wmm->client[i].cot); in set_wmm_rule()
869 wmm_rule->ap[i].cw_min = ecw2cw((wmm->ap[i].ecw & 0xf0) >> 4); in set_wmm_rule()
870 wmm_rule->ap[i].cw_max = ecw2cw(wmm->ap[i].ecw & 0x0f); in set_wmm_rule()
871 wmm_rule->ap[i].aifsn = wmm->ap[i].aifsn; in set_wmm_rule()
872 wmm_rule->ap[i].cot = 1000 * be16_to_cpu(wmm->ap[i].cot); in set_wmm_rule()
875 rrule->has_wmm = true; in set_wmm_rule()
879 const struct fwdb_country *country, int freq, in __regdb_query_wmm() argument
882 unsigned int ptr = be16_to_cpu(country->coll_ptr) << 2; in __regdb_query_wmm()
886 for (i = 0; i < coll->n_rules; i++) { in __regdb_query_wmm()
887 __be16 *rules_ptr = (void *)((u8 *)coll + ALIGN(coll->len, 2)); in __regdb_query_wmm()
891 if (rule->len < offsetofend(struct fwdb_rule, wmm_ptr)) in __regdb_query_wmm()
894 if (freq >= KHZ_TO_MHZ(be32_to_cpu(rule->start)) && in __regdb_query_wmm()
895 freq <= KHZ_TO_MHZ(be32_to_cpu(rule->end))) { in __regdb_query_wmm()
896 set_wmm_rule(db, country, rule, rrule); in __regdb_query_wmm()
901 return -ENODATA; in __regdb_query_wmm()
907 const struct fwdb_country *country; in reg_query_regdb_wmm() local
910 return -ENODATA; in reg_query_regdb_wmm()
915 country = &hdr->country[0]; in reg_query_regdb_wmm()
916 while (country->coll_ptr) { in reg_query_regdb_wmm()
917 if (alpha2_equal(alpha2, country->alpha2)) in reg_query_regdb_wmm()
918 return __regdb_query_wmm(regdb, country, freq, rule); in reg_query_regdb_wmm()
920 country++; in reg_query_regdb_wmm()
923 return -ENODATA; in reg_query_regdb_wmm()
928 const struct fwdb_country *country) in regdb_query_country() argument
930 unsigned int ptr = be16_to_cpu(country->coll_ptr) << 2; in regdb_query_country()
935 regdom = kzalloc(struct_size(regdom, reg_rules, coll->n_rules), in regdb_query_country()
938 return -ENOMEM; in regdb_query_country()
940 regdom->n_reg_rules = coll->n_rules; in regdb_query_country()
941 regdom->alpha2[0] = country->alpha2[0]; in regdb_query_country()
942 regdom->alpha2[1] = country->alpha2[1]; in regdb_query_country()
943 regdom->dfs_region = coll->dfs_region; in regdb_query_country()
945 for (i = 0; i < regdom->n_reg_rules; i++) { in regdb_query_country()
946 __be16 *rules_ptr = (void *)((u8 *)coll + ALIGN(coll->len, 2)); in regdb_query_country()
949 struct ieee80211_reg_rule *rrule = ®dom->reg_rules[i]; in regdb_query_country()
951 rrule->freq_range.start_freq_khz = be32_to_cpu(rule->start); in regdb_query_country()
952 rrule->freq_range.end_freq_khz = be32_to_cpu(rule->end); in regdb_query_country()
953 rrule->freq_range.max_bandwidth_khz = be32_to_cpu(rule->max_bw); in regdb_query_country()
955 rrule->power_rule.max_antenna_gain = 0; in regdb_query_country()
956 rrule->power_rule.max_eirp = be16_to_cpu(rule->max_eirp); in regdb_query_country()
958 rrule->flags = 0; in regdb_query_country()
959 if (rule->flags & FWDB_FLAG_NO_OFDM) in regdb_query_country()
960 rrule->flags |= NL80211_RRF_NO_OFDM; in regdb_query_country()
961 if (rule->flags & FWDB_FLAG_NO_OUTDOOR) in regdb_query_country()
962 rrule->flags |= NL80211_RRF_NO_OUTDOOR; in regdb_query_country()
963 if (rule->flags & FWDB_FLAG_DFS) in regdb_query_country()
964 rrule->flags |= NL80211_RRF_DFS; in regdb_query_country()
965 if (rule->flags & FWDB_FLAG_NO_IR) in regdb_query_country()
966 rrule->flags |= NL80211_RRF_NO_IR; in regdb_query_country()
967 if (rule->flags & FWDB_FLAG_AUTO_BW) in regdb_query_country()
968 rrule->flags |= NL80211_RRF_AUTO_BW; in regdb_query_country()
970 rrule->dfs_cac_ms = 0; in regdb_query_country()
973 if (rule->len >= offsetofend(struct fwdb_rule, cac_timeout)) in regdb_query_country()
974 rrule->dfs_cac_ms = in regdb_query_country()
975 1000 * be16_to_cpu(rule->cac_timeout); in regdb_query_country()
976 if (rule->len >= offsetofend(struct fwdb_rule, wmm_ptr)) in regdb_query_country()
977 set_wmm_rule(db, country, rule, rrule); in regdb_query_country()
986 const struct fwdb_country *country; in query_regdb() local
993 country = &hdr->country[0]; in query_regdb()
994 while (country->coll_ptr) { in query_regdb()
995 if (alpha2_equal(alpha2, country->alpha2)) in query_regdb()
996 return regdb_query_country(regdb, country); in query_regdb()
997 country++; in query_regdb()
1000 return -ENODATA; in query_regdb()
1011 set_error = -ENODATA; in regdb_fw_cb()
1012 } else if (!valid_regdb(fw->data, fw->size)) { in regdb_fw_cb()
1014 set_error = -EINVAL; in regdb_fw_cb()
1019 /* negative case - a bug in regdb_fw_cb()
1020 * positive case - can happen due to race in case of multiple cb's in in regdb_fw_cb()
1028 db = kmemdup(fw->data, fw->size, GFP_KERNEL); in regdb_fw_cb()
1060 return -ENOMEM; in query_regdb_file()
1063 ®_pdev->dev, GFP_KERNEL, in query_regdb_file()
1079 err = request_firmware(&fw, "regulatory.db", ®_pdev->dev); in reg_reload_regdb()
1083 if (!valid_regdb(fw->data, fw->size)) { in reg_reload_regdb()
1084 err = -ENODATA; in reg_reload_regdb()
1088 db = kmemdup(fw->data, fw->size, GFP_KERNEL); in reg_reload_regdb()
1090 err = -ENOMEM; in reg_reload_regdb()
1104 err = -ENOMEM; in reg_reload_regdb()
1108 request->wiphy_idx = WIPHY_IDX_INVALID; in reg_reload_regdb()
1109 request->alpha2[0] = current_regdomain->alpha2[0]; in reg_reload_regdb()
1110 request->alpha2[1] = current_regdomain->alpha2[1]; in reg_reload_regdb()
1111 request->initiator = NL80211_REGDOM_SET_BY_CORE; in reg_reload_regdb()
1112 request->user_reg_hint_type = NL80211_USER_REG_HINT_USER; in reg_reload_regdb()
1125 if (query_regdb_file(request->alpha2) == 0) in reg_query_database()
1128 if (call_crda(request->alpha2) == 0) in reg_query_database()
1138 if (!lr || lr->processed) in reg_is_valid_request()
1141 return alpha2_equal(lr->alpha2, alpha2); in reg_is_valid_request()
1149 * Follow the driver's regulatory domain, if present, unless a country in reg_get_regdomain()
1152 if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && in reg_get_regdomain()
1153 lr->initiator != NL80211_REGDOM_SET_BY_USER && in reg_get_regdomain()
1154 wiphy->regd) in reg_get_regdomain()
1164 const struct ieee80211_freq_range *freq_range = &rule->freq_range; in reg_get_max_bandwidth_from_range()
1169 for (idx = 0; idx < rd->n_reg_rules; idx++) in reg_get_max_bandwidth_from_range()
1170 if (rule == &rd->reg_rules[idx]) in reg_get_max_bandwidth_from_range()
1173 if (idx == rd->n_reg_rules) in reg_get_max_bandwidth_from_range()
1180 tmp = &rd->reg_rules[--no]; in reg_get_max_bandwidth_from_range()
1181 freq_range_tmp = &tmp->freq_range; in reg_get_max_bandwidth_from_range()
1183 if (freq_range_tmp->end_freq_khz < freq_range->start_freq_khz) in reg_get_max_bandwidth_from_range()
1189 start_freq = freq_range->start_freq_khz; in reg_get_max_bandwidth_from_range()
1192 freq_range = &rule->freq_range; in reg_get_max_bandwidth_from_range()
1195 while (no < rd->n_reg_rules - 1) { in reg_get_max_bandwidth_from_range()
1196 tmp = &rd->reg_rules[++no]; in reg_get_max_bandwidth_from_range()
1197 freq_range_tmp = &tmp->freq_range; in reg_get_max_bandwidth_from_range()
1199 if (freq_range_tmp->start_freq_khz > freq_range->end_freq_khz) in reg_get_max_bandwidth_from_range()
1205 end_freq = freq_range->end_freq_khz; in reg_get_max_bandwidth_from_range()
1207 return end_freq - start_freq; in reg_get_max_bandwidth_from_range()
1215 if (rule->flags & NL80211_RRF_NO_320MHZ) in reg_get_max_bandwidth()
1217 if (rule->flags & NL80211_RRF_NO_160MHZ) in reg_get_max_bandwidth()
1219 if (rule->flags & NL80211_RRF_NO_80MHZ) in reg_get_max_bandwidth()
1223 * HT40+/HT40- limits are handled per-channel. Only limit BW if both in reg_get_max_bandwidth()
1226 if (rule->flags & NL80211_RRF_NO_HT40MINUS && in reg_get_max_bandwidth()
1227 rule->flags & NL80211_RRF_NO_HT40PLUS) in reg_get_max_bandwidth()
1236 const struct ieee80211_freq_range *freq_range = &rule->freq_range; in is_valid_reg_rule()
1239 if (freq_range->start_freq_khz <= 0 || freq_range->end_freq_khz <= 0) in is_valid_reg_rule()
1242 if (freq_range->start_freq_khz > freq_range->end_freq_khz) in is_valid_reg_rule()
1245 freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz; in is_valid_reg_rule()
1247 if (freq_range->end_freq_khz <= freq_range->start_freq_khz || in is_valid_reg_rule()
1248 freq_range->max_bandwidth_khz > freq_diff) in is_valid_reg_rule()
1259 if (!rd->n_reg_rules) in is_valid_rd()
1262 if (WARN_ON(rd->n_reg_rules > NL80211_MAX_SUPP_REG_RULES)) in is_valid_rd()
1265 for (i = 0; i < rd->n_reg_rules; i++) { in is_valid_rd()
1266 reg_rule = &rd->reg_rules[i]; in is_valid_rd()
1275 * freq_in_rule_band - tells us if a frequency is in a frequency band
1295 * From 802.11ad: directional multi-gigabit (DMG): in freq_in_rule_band()
1300 if (abs(freq_khz - freq_range->start_freq_khz) <= limit) in freq_in_rule_band()
1302 if (abs(freq_khz - freq_range->end_freq_khz) <= limit) in freq_in_rule_band()
1325 intersect->cw_min = max_t(u16, wmm_ac1->cw_min, wmm_ac2->cw_min); in reg_wmm_rules_intersect()
1326 intersect->cw_max = max_t(u16, wmm_ac1->cw_max, wmm_ac2->cw_max); in reg_wmm_rules_intersect()
1327 intersect->cot = min_t(u16, wmm_ac1->cot, wmm_ac2->cot); in reg_wmm_rules_intersect()
1328 intersect->aifsn = max_t(u8, wmm_ac1->aifsn, wmm_ac2->aifsn); in reg_wmm_rules_intersect()
1349 freq_range1 = &rule1->freq_range; in reg_rules_intersect()
1350 freq_range2 = &rule2->freq_range; in reg_rules_intersect()
1351 freq_range = &intersected_rule->freq_range; in reg_rules_intersect()
1353 power_rule1 = &rule1->power_rule; in reg_rules_intersect()
1354 power_rule2 = &rule2->power_rule; in reg_rules_intersect()
1355 power_rule = &intersected_rule->power_rule; in reg_rules_intersect()
1357 wmm_rule1 = &rule1->wmm_rule; in reg_rules_intersect()
1358 wmm_rule2 = &rule2->wmm_rule; in reg_rules_intersect()
1359 wmm_rule = &intersected_rule->wmm_rule; in reg_rules_intersect()
1361 freq_range->start_freq_khz = max(freq_range1->start_freq_khz, in reg_rules_intersect()
1362 freq_range2->start_freq_khz); in reg_rules_intersect()
1363 freq_range->end_freq_khz = min(freq_range1->end_freq_khz, in reg_rules_intersect()
1364 freq_range2->end_freq_khz); in reg_rules_intersect()
1366 max_bandwidth1 = freq_range1->max_bandwidth_khz; in reg_rules_intersect()
1367 max_bandwidth2 = freq_range2->max_bandwidth_khz; in reg_rules_intersect()
1369 if (rule1->flags & NL80211_RRF_AUTO_BW) in reg_rules_intersect()
1371 if (rule2->flags & NL80211_RRF_AUTO_BW) in reg_rules_intersect()
1374 freq_range->max_bandwidth_khz = min(max_bandwidth1, max_bandwidth2); in reg_rules_intersect()
1376 intersected_rule->flags = rule1->flags | rule2->flags; in reg_rules_intersect()
1386 if ((rule1->flags & NL80211_RRF_AUTO_BW) && in reg_rules_intersect()
1387 (rule2->flags & NL80211_RRF_AUTO_BW)) in reg_rules_intersect()
1388 intersected_rule->flags |= NL80211_RRF_AUTO_BW; in reg_rules_intersect()
1390 intersected_rule->flags &= ~NL80211_RRF_AUTO_BW; in reg_rules_intersect()
1392 freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz; in reg_rules_intersect()
1393 if (freq_range->max_bandwidth_khz > freq_diff) in reg_rules_intersect()
1394 freq_range->max_bandwidth_khz = freq_diff; in reg_rules_intersect()
1396 power_rule->max_eirp = min(power_rule1->max_eirp, in reg_rules_intersect()
1397 power_rule2->max_eirp); in reg_rules_intersect()
1398 power_rule->max_antenna_gain = min(power_rule1->max_antenna_gain, in reg_rules_intersect()
1399 power_rule2->max_antenna_gain); in reg_rules_intersect()
1401 intersected_rule->dfs_cac_ms = max(rule1->dfs_cac_ms, in reg_rules_intersect()
1402 rule2->dfs_cac_ms); in reg_rules_intersect()
1404 if (rule1->has_wmm && rule2->has_wmm) { in reg_rules_intersect()
1408 reg_wmm_rules_intersect(&wmm_rule1->client[ac], in reg_rules_intersect()
1409 &wmm_rule2->client[ac], in reg_rules_intersect()
1410 &wmm_rule->client[ac]); in reg_rules_intersect()
1411 reg_wmm_rules_intersect(&wmm_rule1->ap[ac], in reg_rules_intersect()
1412 &wmm_rule2->ap[ac], in reg_rules_intersect()
1413 &wmm_rule->ap[ac]); in reg_rules_intersect()
1416 intersected_rule->has_wmm = true; in reg_rules_intersect()
1417 } else if (rule1->has_wmm) { in reg_rules_intersect()
1419 intersected_rule->has_wmm = true; in reg_rules_intersect()
1420 } else if (rule2->has_wmm) { in reg_rules_intersect()
1422 intersected_rule->has_wmm = true; in reg_rules_intersect()
1424 intersected_rule->has_wmm = false; in reg_rules_intersect()
1428 return -EINVAL; in reg_rules_intersect()
1438 if (r1->flags != r2->flags) in rule_contains()
1442 if ((r1->power_rule.max_antenna_gain > in rule_contains()
1443 r2->power_rule.max_antenna_gain) || in rule_contains()
1444 r1->power_rule.max_eirp > r2->power_rule.max_eirp) in rule_contains()
1448 if (r1->freq_range.start_freq_khz > r2->freq_range.start_freq_khz || in rule_contains()
1449 r1->freq_range.end_freq_khz < r2->freq_range.end_freq_khz) in rule_contains()
1453 if (r1->freq_range.max_bandwidth_khz < in rule_contains()
1454 r2->freq_range.max_bandwidth_khz) in rule_contains()
1469 /* rule is already contained - do nothing */ in add_rule()
1485 * regdom_intersect - do the intersection between two regulatory domains
1517 * is it will return -EINVAL if the rule computed makes no sense. in regdom_intersect()
1521 for (x = 0; x < rd1->n_reg_rules; x++) { in regdom_intersect()
1522 rule1 = &rd1->reg_rules[x]; in regdom_intersect()
1523 for (y = 0; y < rd2->n_reg_rules; y++) { in regdom_intersect()
1524 rule2 = &rd2->reg_rules[y]; in regdom_intersect()
1538 for (x = 0; x < rd1->n_reg_rules; x++) { in regdom_intersect()
1539 rule1 = &rd1->reg_rules[x]; in regdom_intersect()
1540 for (y = 0; y < rd2->n_reg_rules; y++) { in regdom_intersect()
1541 rule2 = &rd2->reg_rules[y]; in regdom_intersect()
1551 add_rule(&intersected_rule, rd->reg_rules, in regdom_intersect()
1552 &rd->n_reg_rules); in regdom_intersect()
1556 rd->alpha2[0] = '9'; in regdom_intersect()
1557 rd->alpha2[1] = '8'; in regdom_intersect()
1558 rd->dfs_region = reg_intersect_dfs_region(rd1->dfs_region, in regdom_intersect()
1559 rd2->dfs_region); in regdom_intersect()
1617 return ERR_PTR(-EINVAL); in freq_reg_info_regd()
1619 for (i = 0; i < regd->n_reg_rules; i++) { in freq_reg_info_regd()
1623 rr = ®d->reg_rules[i]; in freq_reg_info_regd()
1624 fr = &rr->freq_range; in freq_reg_info_regd()
1641 return ERR_PTR(-ERANGE); in freq_reg_info_regd()
1643 return ERR_PTR(-EINVAL); in freq_reg_info_regd()
1651 const struct ieee80211_reg_rule *reg_rule = ERR_PTR(-ERANGE); in __freq_reg_info()
1652 int i = ARRAY_SIZE(bws) - 1; in __freq_reg_info()
1655 for (bw = MHZ_TO_KHZ(bws[i]); bw >= min_bw; bw = MHZ_TO_KHZ(bws[i--])) { in __freq_reg_info()
1683 return "country element"; in reg_initiator_name()
1697 bool is_s1g = chan->band == NL80211_BAND_S1GHZ; in reg_rule_to_chan_bw_flags()
1699 freq_range = ®_rule->freq_range; in reg_rule_to_chan_bw_flags()
1701 max_bandwidth_khz = freq_range->max_bandwidth_khz; in reg_rule_to_chan_bw_flags()
1704 if (reg_rule->flags & NL80211_RRF_AUTO_BW) in reg_rule_to_chan_bw_flags()
1726 edge_offset = (center_freq_khz - ch_bw / 2) - in reg_rule_to_chan_bw_flags()
1727 freq_range->start_freq_khz; in reg_rule_to_chan_bw_flags()
1787 power_rule = ®_rule->power_rule; in handle_channel_single_rule()
1790 if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && in handle_channel_single_rule()
1792 request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) { in handle_channel_single_rule()
1798 chan->flags = chan->orig_flags = in handle_channel_single_rule()
1799 map_regdom_flags(reg_rule->flags) | bw_flags; in handle_channel_single_rule()
1800 chan->max_antenna_gain = chan->orig_mag = in handle_channel_single_rule()
1801 (int) MBI_TO_DBI(power_rule->max_antenna_gain); in handle_channel_single_rule()
1802 chan->max_reg_power = chan->max_power = chan->orig_mpwr = in handle_channel_single_rule()
1803 (int) MBM_TO_DBM(power_rule->max_eirp); in handle_channel_single_rule()
1805 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_single_rule()
1806 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_single_rule()
1807 if (reg_rule->dfs_cac_ms) in handle_channel_single_rule()
1808 chan->dfs_cac_ms = reg_rule->dfs_cac_ms; in handle_channel_single_rule()
1811 if (chan->flags & IEEE80211_CHAN_PSD) in handle_channel_single_rule()
1812 chan->psd = reg_rule->psd; in handle_channel_single_rule()
1817 chan->dfs_state = NL80211_DFS_USABLE; in handle_channel_single_rule()
1818 chan->dfs_state_entered = jiffies; in handle_channel_single_rule()
1820 chan->beacon_found = false; in handle_channel_single_rule()
1821 chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags); in handle_channel_single_rule()
1822 chan->max_antenna_gain = in handle_channel_single_rule()
1823 min_t(int, chan->orig_mag, in handle_channel_single_rule()
1824 MBI_TO_DBI(power_rule->max_antenna_gain)); in handle_channel_single_rule()
1825 chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp); in handle_channel_single_rule()
1827 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_single_rule()
1828 if (reg_rule->dfs_cac_ms) in handle_channel_single_rule()
1829 chan->dfs_cac_ms = reg_rule->dfs_cac_ms; in handle_channel_single_rule()
1831 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_single_rule()
1834 if (chan->flags & IEEE80211_CHAN_PSD) in handle_channel_single_rule()
1835 chan->psd = reg_rule->psd; in handle_channel_single_rule()
1837 if (chan->orig_mpwr) { in handle_channel_single_rule()
1840 * will always follow the passed country IE power settings. in handle_channel_single_rule()
1843 wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_FOLLOW_POWER) in handle_channel_single_rule()
1844 chan->max_power = chan->max_reg_power; in handle_channel_single_rule()
1846 chan->max_power = min(chan->orig_mpwr, in handle_channel_single_rule()
1847 chan->max_reg_power); in handle_channel_single_rule()
1849 chan->max_power = chan->max_reg_power; in handle_channel_single_rule()
1870 power_rule1 = &rrule1->power_rule; in handle_channel_adjacent_rules()
1871 power_rule2 = &rrule2->power_rule; in handle_channel_adjacent_rules()
1875 if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && in handle_channel_adjacent_rules()
1877 request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) { in handle_channel_adjacent_rules()
1882 chan->flags = in handle_channel_adjacent_rules()
1883 map_regdom_flags(rrule1->flags) | in handle_channel_adjacent_rules()
1884 map_regdom_flags(rrule2->flags) | in handle_channel_adjacent_rules()
1887 chan->orig_flags = chan->flags; in handle_channel_adjacent_rules()
1888 chan->max_antenna_gain = in handle_channel_adjacent_rules()
1889 min_t(int, MBI_TO_DBI(power_rule1->max_antenna_gain), in handle_channel_adjacent_rules()
1890 MBI_TO_DBI(power_rule2->max_antenna_gain)); in handle_channel_adjacent_rules()
1891 chan->orig_mag = chan->max_antenna_gain; in handle_channel_adjacent_rules()
1892 chan->max_reg_power = in handle_channel_adjacent_rules()
1893 min_t(int, MBM_TO_DBM(power_rule1->max_eirp), in handle_channel_adjacent_rules()
1894 MBM_TO_DBM(power_rule2->max_eirp)); in handle_channel_adjacent_rules()
1895 chan->max_power = chan->max_reg_power; in handle_channel_adjacent_rules()
1896 chan->orig_mpwr = chan->max_reg_power; in handle_channel_adjacent_rules()
1898 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_adjacent_rules()
1899 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_adjacent_rules()
1900 if (rrule1->dfs_cac_ms || rrule2->dfs_cac_ms) in handle_channel_adjacent_rules()
1901 chan->dfs_cac_ms = max_t(unsigned int, in handle_channel_adjacent_rules()
1902 rrule1->dfs_cac_ms, in handle_channel_adjacent_rules()
1903 rrule2->dfs_cac_ms); in handle_channel_adjacent_rules()
1906 if ((rrule1->flags & NL80211_RRF_PSD) && in handle_channel_adjacent_rules()
1907 (rrule2->flags & NL80211_RRF_PSD)) in handle_channel_adjacent_rules()
1908 chan->psd = min_t(s8, rrule1->psd, rrule2->psd); in handle_channel_adjacent_rules()
1910 chan->flags &= ~NL80211_RRF_PSD; in handle_channel_adjacent_rules()
1915 chan->dfs_state = NL80211_DFS_USABLE; in handle_channel_adjacent_rules()
1916 chan->dfs_state_entered = jiffies; in handle_channel_adjacent_rules()
1918 chan->beacon_found = false; in handle_channel_adjacent_rules()
1919 chan->flags = flags | bw_flags1 | bw_flags2 | in handle_channel_adjacent_rules()
1920 map_regdom_flags(rrule1->flags) | in handle_channel_adjacent_rules()
1921 map_regdom_flags(rrule2->flags); in handle_channel_adjacent_rules()
1929 chan->flags &= ~IEEE80211_CHAN_NO_10MHZ; in handle_channel_adjacent_rules()
1933 chan->flags &= ~IEEE80211_CHAN_NO_20MHZ; in handle_channel_adjacent_rules()
1935 chan->max_antenna_gain = in handle_channel_adjacent_rules()
1936 min_t(int, chan->orig_mag, in handle_channel_adjacent_rules()
1938 MBI_TO_DBI(power_rule1->max_antenna_gain), in handle_channel_adjacent_rules()
1939 MBI_TO_DBI(power_rule2->max_antenna_gain))); in handle_channel_adjacent_rules()
1940 chan->max_reg_power = min_t(int, in handle_channel_adjacent_rules()
1941 MBM_TO_DBM(power_rule1->max_eirp), in handle_channel_adjacent_rules()
1942 MBM_TO_DBM(power_rule2->max_eirp)); in handle_channel_adjacent_rules()
1944 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_adjacent_rules()
1945 if (rrule1->dfs_cac_ms || rrule2->dfs_cac_ms) in handle_channel_adjacent_rules()
1946 chan->dfs_cac_ms = max_t(unsigned int, in handle_channel_adjacent_rules()
1947 rrule1->dfs_cac_ms, in handle_channel_adjacent_rules()
1948 rrule2->dfs_cac_ms); in handle_channel_adjacent_rules()
1950 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_adjacent_rules()
1953 if (chan->orig_mpwr) { in handle_channel_adjacent_rules()
1955 * will always follow the passed country IE power settings. in handle_channel_adjacent_rules()
1958 wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_FOLLOW_POWER) in handle_channel_adjacent_rules()
1959 chan->max_power = chan->max_reg_power; in handle_channel_adjacent_rules()
1961 chan->max_power = min(chan->orig_mpwr, in handle_channel_adjacent_rules()
1962 chan->max_reg_power); in handle_channel_adjacent_rules()
1964 chan->max_power = chan->max_reg_power; in handle_channel_adjacent_rules()
1978 struct wiphy *request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); in handle_channel()
1983 u32 flags = chan->orig_flags; in handle_channel()
1988 * chan - 20 MHz and chan + 20 MHz and test in handle_channel()
1992 orig_chan_freq - MHZ_TO_KHZ(20)); in handle_channel()
1998 if (rrule1->freq_range.end_freq_khz != in handle_channel()
1999 rrule2->freq_range.start_freq_khz) in handle_channel()
2003 rrule1->freq_range.start_freq_khz; in handle_channel()
2005 rrule2->freq_range.end_freq_khz; in handle_channel()
2008 rrule1->freq_range.max_bandwidth_khz, in handle_channel()
2009 rrule2->freq_range.max_bandwidth_khz); in handle_channel()
2026 * from a Country IE and the Country IE had no information in handle_channel()
2030 * a country IE with information for the 2.4 GHz band in handle_channel()
2034 PTR_ERR(rrule) == -ERANGE) in handle_channel()
2037 if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && in handle_channel()
2039 request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) { in handle_channel()
2041 chan->center_freq, chan->freq_offset); in handle_channel()
2042 chan->orig_flags |= IEEE80211_CHAN_DISABLED; in handle_channel()
2043 chan->flags = chan->orig_flags; in handle_channel()
2046 chan->center_freq, chan->freq_offset); in handle_channel()
2047 chan->flags |= IEEE80211_CHAN_DISABLED; in handle_channel()
2065 for (i = 0; i < sband->n_channels; i++) in handle_band()
2066 handle_channel(wiphy, initiator, &sband->channels[i]); in handle_band()
2071 if (request->initiator != NL80211_REGDOM_SET_BY_USER) in reg_request_cell_base()
2073 return request->user_reg_hint_type == NL80211_USER_REG_HINT_CELL_BASE; in reg_request_cell_base()
2092 !regdom_changes(pending_request->alpha2)) in reg_ignore_cell_hint()
2101 return !(wiphy->features & NL80211_FEATURE_CELL_BASE_REG_HINTS); in reg_dev_ignore_cell_hint()
2118 if (wiphy->regulatory_flags & REGULATORY_STRICT_REG && in wiphy_strict_alpha2_regd()
2119 !(wiphy->regulatory_flags & REGULATORY_CUSTOM_REG)) in wiphy_strict_alpha2_regd()
2129 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) in ignore_reg_update()
2139 wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) { in ignore_reg_update()
2146 * wiphy->regd will be set once the device has its own in ignore_reg_update()
2149 if (wiphy_strict_alpha2_regd(wiphy) && !wiphy->regd && in ignore_reg_update()
2151 !is_world_regdom(lr->alpha2)) { in ignore_reg_update()
2169 if (is_world_regdom(cr->alpha2) || (wr && is_world_regdom(wr->alpha2))) in reg_is_world_roaming()
2172 if (lr && lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && in reg_is_world_roaming()
2173 wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) in reg_is_world_roaming()
2182 if (wiphy->reg_notifier) in reg_call_notifier()
2183 wiphy->reg_notifier(wiphy, request); in reg_call_notifier()
2195 sband = wiphy->bands[reg_beacon->chan.band]; in handle_reg_beacon()
2196 chan = &sband->channels[chan_idx]; in handle_reg_beacon()
2198 if (likely(!ieee80211_channel_equal(chan, ®_beacon->chan))) in handle_reg_beacon()
2201 if (chan->beacon_found) in handle_reg_beacon()
2204 chan->beacon_found = true; in handle_reg_beacon()
2209 if (wiphy->regulatory_flags & REGULATORY_DISABLE_BEACON_HINTS) in handle_reg_beacon()
2214 if (chan->flags & IEEE80211_CHAN_NO_IR) { in handle_reg_beacon()
2215 chan->flags &= ~IEEE80211_CHAN_NO_IR; in handle_reg_beacon()
2221 if (wiphy->flags & WIPHY_FLAG_CHANNEL_CHANGE_ON_BEACON) in handle_reg_beacon()
2236 if (!wiphy->bands[reg_beacon->chan.band]) in wiphy_update_new_beacon()
2239 sband = wiphy->bands[reg_beacon->chan.band]; in wiphy_update_new_beacon()
2241 for (i = 0; i < sband->n_channels; i++) in wiphy_update_new_beacon()
2255 if (!wiphy->bands[reg_beacon->chan.band]) in wiphy_update_beacon_reg()
2257 sband = wiphy->bands[reg_beacon->chan.band]; in wiphy_update_beacon_reg()
2258 for (i = 0; i < sband->n_channels; i++) in wiphy_update_beacon_reg()
2279 if (chan->flags & IEEE80211_CHAN_DISABLED) in is_ht40_allowed()
2282 if ((chan->flags & IEEE80211_CHAN_NO_HT40) == IEEE80211_CHAN_NO_HT40) in is_ht40_allowed()
2290 struct ieee80211_supported_band *sband = wiphy->bands[channel->band]; in reg_process_ht_flags_channel()
2297 channel->flags |= IEEE80211_CHAN_NO_HT40; in reg_process_ht_flags_channel()
2303 * be able to use HT40- or HT40+, this finds them (or not) in reg_process_ht_flags_channel()
2305 for (i = 0; i < sband->n_channels; i++) { in reg_process_ht_flags_channel()
2306 struct ieee80211_channel *c = &sband->channels[i]; in reg_process_ht_flags_channel()
2308 if (c->center_freq == (channel->center_freq - 20)) in reg_process_ht_flags_channel()
2310 if (c->center_freq == (channel->center_freq + 20)) in reg_process_ht_flags_channel()
2318 freq_reg_info_regd(MHZ_TO_KHZ(channel->center_freq), in reg_process_ht_flags_channel()
2322 flags = reg_rule->flags; in reg_process_ht_flags_channel()
2332 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; in reg_process_ht_flags_channel()
2334 channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS; in reg_process_ht_flags_channel()
2338 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; in reg_process_ht_flags_channel()
2340 channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS; in reg_process_ht_flags_channel()
2351 for (i = 0; i < sband->n_channels; i++) in reg_process_ht_flags_band()
2352 reg_process_ht_flags_channel(wiphy, &sband->channels[i]); in reg_process_ht_flags_band()
2363 reg_process_ht_flags_band(wiphy, wiphy->bands[band]); in reg_process_ht_flags()
2374 iftype = wdev->iftype; in reg_wdev_chan_valid()
2377 if (!wdev->netdev || !netif_running(wdev->netdev)) in reg_wdev_chan_valid()
2380 for (link = 0; link < ARRAY_SIZE(wdev->links); link++) { in reg_wdev_chan_valid()
2383 if (!wdev->valid_links && link > 0) in reg_wdev_chan_valid()
2385 if (wdev->valid_links && !(wdev->valid_links & BIT(link))) in reg_wdev_chan_valid()
2390 if (!wdev->links[link].ap.beacon_interval) in reg_wdev_chan_valid()
2392 chandef = wdev->links[link].ap.chandef; in reg_wdev_chan_valid()
2395 if (!wdev->u.mesh.beacon_interval) in reg_wdev_chan_valid()
2397 chandef = wdev->u.mesh.chandef; in reg_wdev_chan_valid()
2400 if (!wdev->u.ibss.ssid_len) in reg_wdev_chan_valid()
2402 chandef = wdev->u.ibss.chandef; in reg_wdev_chan_valid()
2407 if (!wdev->links[link].client.current_bss) in reg_wdev_chan_valid()
2410 chan = wdev->links[link].client.current_bss->pub.channel; in reg_wdev_chan_valid()
2414 if (!rdev->ops->get_channel || in reg_wdev_chan_valid()
2425 if (!wdev->u.ocb.chandef.chan) in reg_wdev_chan_valid()
2427 chandef = wdev->u.ocb.chandef; in reg_wdev_chan_valid()
2469 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) in reg_leave_invalid_chans()
2483 reg_leave_invalid_chans(&rdev->wiphy); in reg_check_chans_work()
2512 wiphy->regulatory_flags & REGULATORY_CUSTOM_REG && in wiphy_update_regulatory()
2513 !(wiphy->regulatory_flags & in wiphy_update_regulatory()
2519 lr->dfs_region = get_cfg80211_regdom()->dfs_region; in wiphy_update_regulatory()
2522 handle_band(wiphy, initiator, wiphy->bands[band]); in wiphy_update_regulatory()
2537 wiphy = &rdev->wiphy; in update_all_wiphy_regulatory()
2563 chan->center_freq, chan->freq_offset); in handle_channel_custom()
2564 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) { in handle_channel_custom()
2565 chan->flags |= IEEE80211_CHAN_DISABLED; in handle_channel_custom()
2567 chan->orig_flags |= IEEE80211_CHAN_DISABLED; in handle_channel_custom()
2568 chan->flags = chan->orig_flags; in handle_channel_custom()
2573 power_rule = ®_rule->power_rule; in handle_channel_custom()
2576 chan->dfs_state_entered = jiffies; in handle_channel_custom()
2577 chan->dfs_state = NL80211_DFS_USABLE; in handle_channel_custom()
2579 chan->beacon_found = false; in handle_channel_custom()
2581 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) in handle_channel_custom()
2582 chan->flags = chan->orig_flags | bw_flags | in handle_channel_custom()
2583 map_regdom_flags(reg_rule->flags); in handle_channel_custom()
2585 chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags; in handle_channel_custom()
2587 chan->max_antenna_gain = (int) MBI_TO_DBI(power_rule->max_antenna_gain); in handle_channel_custom()
2588 chan->max_reg_power = chan->max_power = in handle_channel_custom()
2589 (int) MBM_TO_DBM(power_rule->max_eirp); in handle_channel_custom()
2591 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_custom()
2592 if (reg_rule->dfs_cac_ms) in handle_channel_custom()
2593 chan->dfs_cac_ms = reg_rule->dfs_cac_ms; in handle_channel_custom()
2595 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_custom()
2598 if (chan->flags & IEEE80211_CHAN_PSD) in handle_channel_custom()
2599 chan->psd = reg_rule->psd; in handle_channel_custom()
2601 chan->max_power = chan->max_reg_power; in handle_channel_custom()
2616 * compatible to US, which permits 2402 - 2472 MHz. in handle_band_custom()
2618 for (i = 0; i < sband->n_channels; i++) in handle_band_custom()
2619 handle_channel_custom(wiphy, &sband->channels[i], regd, in handle_band_custom()
2631 WARN(!(wiphy->regulatory_flags & REGULATORY_CUSTOM_REG), in wiphy_apply_custom_regulatory()
2633 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; in wiphy_apply_custom_regulatory()
2636 if (!wiphy->bands[band]) in wiphy_apply_custom_regulatory()
2638 handle_band_custom(wiphy, wiphy->bands[band], regd); in wiphy_apply_custom_regulatory()
2655 rcu_assign_pointer(wiphy->regd, new_regd); in wiphy_apply_custom_regulatory()
2668 lr->processed = true; in reg_set_request_processed()
2682 * reg_process_hint_core - process core regulatory requests
2695 core_request->intersect = false; in reg_process_hint_core()
2696 core_request->processed = false; in reg_process_hint_core()
2715 if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) in __reg_process_hint_user()
2719 * to their country before the IE is picked up in __reg_process_hint_user()
2721 if (lr->initiator == NL80211_REGDOM_SET_BY_USER && in __reg_process_hint_user()
2722 lr->intersect) in __reg_process_hint_user()
2728 if ((lr->initiator == NL80211_REGDOM_SET_BY_CORE || in __reg_process_hint_user()
2729 lr->initiator == NL80211_REGDOM_SET_BY_DRIVER || in __reg_process_hint_user()
2730 lr->initiator == NL80211_REGDOM_SET_BY_USER) && in __reg_process_hint_user()
2731 regdom_changes(lr->alpha2)) in __reg_process_hint_user()
2734 if (!regdom_changes(user_request->alpha2)) in __reg_process_hint_user()
2741 * reg_process_hint_user - process user regulatory requests
2760 user_request->intersect = treatment == REG_REQ_INTERSECT; in reg_process_hint_user()
2761 user_request->processed = false; in reg_process_hint_user()
2765 user_alpha2[0] = user_request->alpha2[0]; in reg_process_hint_user()
2766 user_alpha2[1] = user_request->alpha2[1]; in reg_process_hint_user()
2778 if (lr->initiator == NL80211_REGDOM_SET_BY_CORE) { in __reg_process_hint_driver()
2779 if (regdom_changes(driver_request->alpha2)) in __reg_process_hint_driver()
2789 if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && in __reg_process_hint_driver()
2790 !regdom_changes(driver_request->alpha2)) in __reg_process_hint_driver()
2797 * reg_process_hint_driver - process driver regulatory requests
2829 rcu_assign_pointer(wiphy->regd, regd); in reg_process_hint_driver()
2835 driver_request->intersect = treatment == REG_REQ_INTERSECT; in reg_process_hint_driver()
2836 driver_request->processed = false; in reg_process_hint_driver()
2866 /* Trust a Cell base station over the AP's country IE */ in __reg_process_hint_country_ie()
2867 if (regdom_changes(country_ie_request->alpha2)) in __reg_process_hint_country_ie()
2871 if (wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_IGNORE) in __reg_process_hint_country_ie()
2875 if (unlikely(!is_an_alpha2(country_ie_request->alpha2))) in __reg_process_hint_country_ie()
2876 return -EINVAL; in __reg_process_hint_country_ie()
2878 if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) in __reg_process_hint_country_ie()
2881 last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); in __reg_process_hint_country_ie()
2886 * Country IE alpha2s. We could in __reg_process_hint_country_ie()
2890 if (regdom_changes(country_ie_request->alpha2)) in __reg_process_hint_country_ie()
2895 if (regdom_changes(country_ie_request->alpha2)) in __reg_process_hint_country_ie()
2901 * reg_process_hint_country_ie - process regulatory requests from country IEs
2903 * @country_ie_request: a regulatory request from a country IE
2906 * a regulatory request issued by a country Information Element.
2931 WARN_ONCE(1, "Unexpected intersection for country elements"); in reg_process_hint_country_ie()
2935 country_ie_request->intersect = false; in reg_process_hint_country_ie()
2936 country_ie_request->processed = false; in reg_process_hint_country_ie()
2956 wiphy1_regd = rcu_dereference(wiphy1->regd); in reg_dfs_domain_same()
2960 wiphy2_regd = rcu_dereference(wiphy2->regd); in reg_dfs_domain_same()
2964 dfs_domain_same = wiphy1_regd->dfs_region == wiphy2_regd->dfs_region; in reg_dfs_domain_same()
2974 if (!(dst_chan->flags & IEEE80211_CHAN_RADAR) || in reg_copy_dfs_chan_state()
2975 !(src_chan->flags & IEEE80211_CHAN_RADAR)) in reg_copy_dfs_chan_state()
2978 if (dst_chan->flags & IEEE80211_CHAN_DISABLED || in reg_copy_dfs_chan_state()
2979 src_chan->flags & IEEE80211_CHAN_DISABLED) in reg_copy_dfs_chan_state()
2982 if (src_chan->center_freq == dst_chan->center_freq && in reg_copy_dfs_chan_state()
2983 dst_chan->dfs_state == NL80211_DFS_USABLE) { in reg_copy_dfs_chan_state()
2984 dst_chan->dfs_state = src_chan->dfs_state; in reg_copy_dfs_chan_state()
2985 dst_chan->dfs_state_entered = src_chan->dfs_state_entered; in reg_copy_dfs_chan_state()
3000 dst_sband = dst_wiphy->bands[band]; in wiphy_share_dfs_chan_state()
3001 src_sband = src_wiphy->bands[band]; in wiphy_share_dfs_chan_state()
3005 for (i = 0; i < dst_sband->n_channels; i++) { in wiphy_share_dfs_chan_state()
3006 dst_chan = &dst_sband->channels[i]; in wiphy_share_dfs_chan_state()
3007 for (j = 0; j < src_sband->n_channels; j++) { in wiphy_share_dfs_chan_state()
3008 src_chan = &src_sband->channels[j]; in wiphy_share_dfs_chan_state()
3022 if (wiphy == &rdev->wiphy) in wiphy_all_share_dfs_chan_state()
3024 wiphy_share_dfs_chan_state(wiphy, &rdev->wiphy); in wiphy_all_share_dfs_chan_state()
3033 enum nl80211_reg_initiator initiator = reg_request->initiator; in reg_process_hint()
3035 if (reg_request->wiphy_idx != WIPHY_IDX_INVALID) in reg_process_hint()
3036 wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx); in reg_process_hint()
3070 wiphy->regulatory_flags & REGULATORY_STRICT_REG) { in reg_process_hint()
3088 wiphy = &rdev->wiphy; in notify_self_managed_wiphys()
3089 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && in notify_self_managed_wiphys()
3090 request->initiator == NL80211_REGDOM_SET_BY_USER) in notify_self_managed_wiphys()
3106 /* When last_request->processed becomes true this will be rescheduled */ in reg_process_pending_hints()
3107 if (lr && !lr->processed) { in reg_process_pending_hints()
3122 list_del_init(®_request->list); in reg_process_pending_hints()
3133 if (!list_empty(®_requests_list) && lr && lr->processed) in reg_process_pending_hints()
3138 /* Processes beacon hints -- this has nothing to do with country IEs */
3149 list_del_init(&pending_beacon->list); in reg_process_pending_beacon_hints()
3153 wiphy_update_new_beacon(&rdev->wiphy, pending_beacon); in reg_process_pending_beacon_hints()
3156 list_add_tail(&pending_beacon->list, ®_beacon_list); in reg_process_pending_beacon_hints()
3174 regd = rdev->requested_regd; in reg_process_self_managed_hint()
3175 rdev->requested_regd = NULL; in reg_process_self_managed_hint()
3182 rcu_assign_pointer(wiphy->regd, regd); in reg_process_self_managed_hint()
3186 handle_band_custom(wiphy, wiphy->bands[band], regd); in reg_process_self_managed_hint()
3191 request.alpha2[0] = regd->alpha2[0]; in reg_process_self_managed_hint()
3192 request.alpha2[1] = regd->alpha2[1]; in reg_process_self_managed_hint()
3195 if (wiphy->flags & WIPHY_FLAG_NOTIFY_REGDOM_BY_DRIVER) in reg_process_self_managed_hint()
3208 wiphy_lock(&rdev->wiphy); in reg_process_self_managed_hints()
3209 reg_process_self_managed_hint(&rdev->wiphy); in reg_process_self_managed_hints()
3210 wiphy_unlock(&rdev->wiphy); in reg_process_self_managed_hints()
3227 request->alpha2[0] = toupper(request->alpha2[0]); in queue_regulatory_request()
3228 request->alpha2[1] = toupper(request->alpha2[1]); in queue_regulatory_request()
3231 list_add_tail(&request->list, ®_requests_list); in queue_regulatory_request()
3238 * Core regulatory hint -- happens during cfg80211_init()
3247 return -ENOMEM; in regulatory_hint_core()
3249 request->alpha2[0] = alpha2[0]; in regulatory_hint_core()
3250 request->alpha2[1] = alpha2[1]; in regulatory_hint_core()
3251 request->initiator = NL80211_REGDOM_SET_BY_CORE; in regulatory_hint_core()
3252 request->wiphy_idx = WIPHY_IDX_INVALID; in regulatory_hint_core()
3266 return -EINVAL; in regulatory_hint_user()
3269 return -EINVAL; in regulatory_hint_user()
3273 return -ENOMEM; in regulatory_hint_user()
3275 request->wiphy_idx = WIPHY_IDX_INVALID; in regulatory_hint_user()
3276 request->alpha2[0] = alpha2[0]; in regulatory_hint_user()
3277 request->alpha2[1] = alpha2[1]; in regulatory_hint_user()
3278 request->initiator = NL80211_REGDOM_SET_BY_USER; in regulatory_hint_user()
3279 request->user_reg_hint_type = user_reg_hint_type; in regulatory_hint_user()
3337 return -EINVAL; in regulatory_hint()
3339 wiphy->regulatory_flags &= ~REGULATORY_CUSTOM_REG; in regulatory_hint()
3343 return -ENOMEM; in regulatory_hint()
3345 request->wiphy_idx = get_wiphy_idx(wiphy); in regulatory_hint()
3347 request->alpha2[0] = alpha2[0]; in regulatory_hint()
3348 request->alpha2[1] = alpha2[1]; in regulatory_hint()
3349 request->initiator = NL80211_REGDOM_SET_BY_DRIVER; in regulatory_hint()
3397 if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE && in regulatory_hint_country_ie()
3398 lr->wiphy_idx != WIPHY_IDX_INVALID) in regulatory_hint_country_ie()
3401 request->wiphy_idx = get_wiphy_idx(wiphy); in regulatory_hint_country_ie()
3402 request->alpha2[0] = alpha2[0]; in regulatory_hint_country_ie()
3403 request->alpha2[1] = alpha2[1]; in regulatory_hint_country_ie()
3404 request->initiator = NL80211_REGDOM_SET_BY_COUNTRY_IE; in regulatory_hint_country_ie()
3405 request->country_ie_env = env; in regulatory_hint_country_ie()
3465 sband = wiphy->bands[band]; in restore_custom_reg_settings()
3468 for (i = 0; i < sband->n_channels; i++) { in restore_custom_reg_settings()
3469 chan = &sband->channels[i]; in restore_custom_reg_settings()
3470 chan->flags = chan->orig_flags; in restore_custom_reg_settings()
3471 chan->max_antenna_gain = chan->orig_mag; in restore_custom_reg_settings()
3472 chan->max_power = chan->orig_mpwr; in restore_custom_reg_settings()
3473 chan->beacon_found = false; in restore_custom_reg_settings()
3480 * possibly stale country IE information and user regulatory
3482 * learned as we could have traveled outside to another country
3486 * - send a core regulatory hint
3487 * - send a user regulatory hint if applicable
3489 * Device drivers that send a regulatory hint for a specific country
3490 * keep their own regulatory domain on wiphy->regd so that does
3531 list_del(®_beacon->list); in restore_regulatory_settings()
3537 list_del(®_beacon->list); in restore_regulatory_settings()
3542 world_alpha2[0] = cfg80211_world_regdom->alpha2[0]; in restore_regulatory_settings()
3543 world_alpha2[1] = cfg80211_world_regdom->alpha2[1]; in restore_regulatory_settings()
3546 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) in restore_regulatory_settings()
3548 if (rdev->wiphy.regulatory_flags & REGULATORY_CUSTOM_REG) in restore_regulatory_settings()
3549 restore_custom_reg_settings(&rdev->wiphy); in restore_regulatory_settings()
3568 list_del(&ureq->list); in restore_regulatory_settings()
3603 wiphy_lock(&rdev->wiphy); in is_wiphy_all_set_reg_flag()
3604 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { in is_wiphy_all_set_reg_flag()
3605 if (!(wdev->wiphy->regulatory_flags & flag)) { in is_wiphy_all_set_reg_flag()
3606 wiphy_unlock(&rdev->wiphy); in is_wiphy_all_set_reg_flag()
3610 wiphy_unlock(&rdev->wiphy); in is_wiphy_all_set_reg_flag()
3631 list_del(®_beacon->list); in regulatory_hint_disconnect()
3638 list_del(®_beacon->list); in regulatory_hint_disconnect()
3664 &pending_beacon->chan)) in pending_reg_beacon()
3676 if (beacon_chan->beacon_found || in regulatory_hint_found_beacon()
3677 beacon_chan->flags & IEEE80211_CHAN_RADAR || in regulatory_hint_found_beacon()
3678 (beacon_chan->band == NL80211_BAND_2GHZ && in regulatory_hint_found_beacon()
3679 !freq_is_chan_12_13_14(beacon_chan->center_freq))) in regulatory_hint_found_beacon()
3694 beacon_chan->center_freq, beacon_chan->freq_offset, in regulatory_hint_found_beacon()
3699 memcpy(®_beacon->chan, beacon_chan, in regulatory_hint_found_beacon()
3703 * Since we can be called from BH or and non-BH context in regulatory_hint_found_beacon()
3707 list_add_tail(®_beacon->list, ®_pending_beacons); in regulatory_hint_found_beacon()
3721 pr_debug(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)\n"); in print_rd_rules()
3723 for (i = 0; i < rd->n_reg_rules; i++) { in print_rd_rules()
3724 reg_rule = &rd->reg_rules[i]; in print_rd_rules()
3725 freq_range = ®_rule->freq_range; in print_rd_rules()
3726 power_rule = ®_rule->power_rule; in print_rd_rules()
3728 if (reg_rule->flags & NL80211_RRF_AUTO_BW) in print_rd_rules()
3730 freq_range->max_bandwidth_khz, in print_rd_rules()
3734 freq_range->max_bandwidth_khz); in print_rd_rules()
3736 if (reg_rule->flags & NL80211_RRF_DFS) in print_rd_rules()
3738 reg_rule->dfs_cac_ms/1000); in print_rd_rules()
3747 if (power_rule->max_antenna_gain) in print_rd_rules()
3748 pr_debug(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm), (%s)\n", in print_rd_rules()
3749 freq_range->start_freq_khz, in print_rd_rules()
3750 freq_range->end_freq_khz, in print_rd_rules()
3752 power_rule->max_antenna_gain, in print_rd_rules()
3753 power_rule->max_eirp, in print_rd_rules()
3756 pr_debug(" (%d KHz - %d KHz @ %s), (N/A, %d mBm), (%s)\n", in print_rd_rules()
3757 freq_range->start_freq_khz, in print_rd_rules()
3758 freq_range->end_freq_khz, in print_rd_rules()
3760 power_rule->max_eirp, in print_rd_rules()
3783 if (is_intersected_alpha2(rd->alpha2)) { in print_regdomain()
3784 if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { in print_regdomain()
3786 rdev = cfg80211_rdev_by_wiphy_idx(lr->wiphy_idx); in print_regdomain()
3789 rdev->country_ie_alpha2[0], in print_regdomain()
3790 rdev->country_ie_alpha2[1]); in print_regdomain()
3795 } else if (is_world_regdom(rd->alpha2)) { in print_regdomain()
3798 if (is_unknown_alpha2(rd->alpha2)) in print_regdomain()
3799 pr_debug("Regulatory domain changed to driver built-in settings (unknown country)\n"); in print_regdomain()
3802 pr_debug("Regulatory domain changed to country: %c%c by Cell Station\n", in print_regdomain()
3803 rd->alpha2[0], rd->alpha2[1]); in print_regdomain()
3805 pr_debug("Regulatory domain changed to country: %c%c\n", in print_regdomain()
3806 rd->alpha2[0], rd->alpha2[1]); in print_regdomain()
3810 pr_debug(" DFS Master region: %s", reg_dfs_region_str(rd->dfs_region)); in print_regdomain()
3816 pr_debug("Regulatory domain: %c%c\n", rd->alpha2[0], rd->alpha2[1]); in print_regdomain_info()
3822 if (!is_world_regdom(rd->alpha2)) in reg_set_rd_core()
3823 return -EINVAL; in reg_set_rd_core()
3833 if (!regdom_changes(rd->alpha2)) in reg_set_rd_user()
3834 return -EALREADY; in reg_set_rd_user()
3838 rd->alpha2[0], rd->alpha2[1]); in reg_set_rd_user()
3840 return -EINVAL; in reg_set_rd_user()
3843 if (!user_request->intersect) { in reg_set_rd_user()
3850 return -EINVAL; in reg_set_rd_user()
3867 if (is_world_regdom(rd->alpha2)) in reg_set_rd_driver()
3868 return -EINVAL; in reg_set_rd_driver()
3870 if (!regdom_changes(rd->alpha2)) in reg_set_rd_driver()
3871 return -EALREADY; in reg_set_rd_driver()
3875 rd->alpha2[0], rd->alpha2[1]); in reg_set_rd_driver()
3877 return -EINVAL; in reg_set_rd_driver()
3880 request_wiphy = wiphy_idx_to_wiphy(driver_request->wiphy_idx); in reg_set_rd_driver()
3882 return -ENODEV; in reg_set_rd_driver()
3884 if (!driver_request->intersect) { in reg_set_rd_driver()
3887 if (request_wiphy->regd) in reg_set_rd_driver()
3896 rcu_assign_pointer(request_wiphy->regd, regd); in reg_set_rd_driver()
3905 return -EINVAL; in reg_set_rd_driver()
3913 rcu_assign_pointer(request_wiphy->regd, rd); in reg_set_rd_driver()
3928 if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) && in reg_set_rd_country_ie()
3929 !is_unknown_alpha2(rd->alpha2)) in reg_set_rd_country_ie()
3930 return -EINVAL; in reg_set_rd_country_ie()
3935 * and the pending request came in from a country IE in reg_set_rd_country_ie()
3940 rd->alpha2[0], rd->alpha2[1]); in reg_set_rd_country_ie()
3942 return -EINVAL; in reg_set_rd_country_ie()
3945 request_wiphy = wiphy_idx_to_wiphy(country_ie_request->wiphy_idx); in reg_set_rd_country_ie()
3947 return -ENODEV; in reg_set_rd_country_ie()
3949 if (country_ie_request->intersect) in reg_set_rd_country_ie()
3950 return -EINVAL; in reg_set_rd_country_ie()
3969 return -ENODATA; in set_regdom()
3971 if (!reg_is_valid_request(rd->alpha2)) { in set_regdom()
3973 return -EINVAL; in set_regdom()
3982 switch (lr->initiator) { in set_regdom()
3998 WARN(1, "invalid initiator %d\n", lr->initiator); in set_regdom()
4000 return -EINVAL; in set_regdom()
4005 case -EALREADY: in set_regdom()
4018 if (WARN_ON(!lr->intersect && rd != get_cfg80211_regdom())) in set_regdom()
4019 return -EINVAL; in set_regdom()
4022 update_all_wiphy_regulatory(lr->initiator); in set_regdom()
4041 return -EINVAL; in __regulatory_set_wiphy_regd()
4043 if (WARN(!(wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED), in __regulatory_set_wiphy_regd()
4045 return -EPERM; in __regulatory_set_wiphy_regd()
4049 rd->alpha2[0], rd->alpha2[1])) { in __regulatory_set_wiphy_regd()
4051 return -EINVAL; in __regulatory_set_wiphy_regd()
4061 prev_regd = rdev->requested_regd; in __regulatory_set_wiphy_regd()
4062 rdev->requested_regd = regd; in __regulatory_set_wiphy_regd()
4104 /* self-managed devices ignore beacon hints and country IE */ in wiphy_regulatory_register()
4105 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) { in wiphy_regulatory_register()
4106 wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS | in wiphy_regulatory_register()
4114 if (lr->initiator == NL80211_REGDOM_SET_BY_USER) in wiphy_regulatory_register()
4121 wiphy_update_regulatory(wiphy, lr->initiator); in wiphy_regulatory_register()
4134 reg_num_devs_support_basehint--; in wiphy_regulatory_deregister()
4137 RCU_INIT_POINTER(wiphy->regd, NULL); in wiphy_regulatory_deregister()
4140 request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); in wiphy_regulatory_deregister()
4145 lr->wiphy_idx = WIPHY_IDX_INVALID; in wiphy_regulatory_deregister()
4146 lr->country_ie_env = ENVIRON_ANY; in wiphy_regulatory_deregister()
4151 * 5GHz: https://www.fcc.gov/document/5-ghz-unlicensed-spectrum-unii
4152 * 6GHz: https://www.fcc.gov/document/fcc-proposes-more-spectrum-unlicensed-use-0
4156 /* UNII-1 */ in cfg80211_get_unii()
4160 /* UNII-2A */ in cfg80211_get_unii()
4164 /* UNII-2B */ in cfg80211_get_unii()
4168 /* UNII-2C */ in cfg80211_get_unii()
4172 /* UNII-3 */ in cfg80211_get_unii()
4176 /* UNII-5 */ in cfg80211_get_unii()
4180 /* UNII-6 */ in cfg80211_get_unii()
4184 /* UNII-7 */ in cfg80211_get_unii()
4188 /* UNII-8 */ in cfg80211_get_unii()
4192 return -EINVAL; in cfg80211_get_unii()
4209 wiphy_regd = rcu_dereference(wiphy->regd); in regulatory_pre_cac_allowed()
4211 if (regd->dfs_region == NL80211_DFS_ETSI) in regulatory_pre_cac_allowed()
4219 if (regd->dfs_region == wiphy_regd->dfs_region && in regulatory_pre_cac_allowed()
4220 wiphy_regd->dfs_region == NL80211_DFS_ETSI) in regulatory_pre_cac_allowed()
4237 * either all channels are available - those the CAC_FINISHED in cfg80211_check_and_end_cac()
4239 * in unavailable state in wdev chandef - those the RADAR_DETECTED in cfg80211_check_and_end_cac()
4243 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { in cfg80211_check_and_end_cac()
4247 if (!wdev->links[link_id].cac_started) in cfg80211_check_and_end_cac()
4254 if (!cfg80211_chandef_dfs_usable(&rdev->wiphy, chandef)) in cfg80211_check_and_end_cac()
4255 rdev_end_cac(rdev, wdev->netdev, link_id); in cfg80211_check_and_end_cac()
4273 if (wiphy == &rdev->wiphy) in regulatory_propagate_dfs_state()
4276 if (!reg_dfs_domain_same(wiphy, &rdev->wiphy)) in regulatory_propagate_dfs_state()
4279 if (!ieee80211_get_channel(&rdev->wiphy, in regulatory_propagate_dfs_state()
4280 chandef->chan->center_freq)) in regulatory_propagate_dfs_state()
4283 cfg80211_set_dfs_state(&rdev->wiphy, chandef, dfs_state); in regulatory_propagate_dfs_state()
4300 * It's possible that - due to other bugs/issues - cfg80211 in regulatory_init_db()
4306 return -EINVAL; in regulatory_init_db()
4315 err = regulatory_hint_core(cfg80211_world_regdom->alpha2); in regulatory_init_db()
4317 if (err == -ENOMEM) { in regulatory_init_db()
4326 * errors as non-fatal. in regulatory_init_db()
4377 dev_set_uevent_suppress(®_pdev->dev, true); in regulatory_exit()
4382 list_del(®_beacon->list); in regulatory_exit()
4387 list_del(®_beacon->list); in regulatory_exit()
4392 list_del(®_request->list); in regulatory_exit()