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 - 2019 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
63 #include "rdev-ops.h"
73 * enum reg_request_treatment - regulatory request treatment
144 return rcu_dereference_rtnl(wiphy->regd); in get_wiphy_regdom()
175 if (wiphy_regd->dfs_region == regd->dfs_region) in reg_get_dfs_region()
179 dev_name(&wiphy->dev), in reg_get_dfs_region()
180 reg_dfs_region_str(wiphy_regd->dfs_region), in reg_get_dfs_region()
181 reg_dfs_region_str(regd->dfs_region)); in reg_get_dfs_region()
184 return regd->dfs_region; in reg_get_dfs_region()
227 REG_RULE(2412-10, 2462+10, 40, 6, 20, 0),
229 REG_RULE(2467-10, 2472+10, 20, 6, 20,
231 /* IEEE 802.11 channel 14 - Only JP enables
233 REG_RULE(2484-10, 2484+10, 20, 6, 20,
237 REG_RULE(5180-10, 5240+10, 80, 6, 20,
241 /* IEEE 802.11a, channel 52..64 - DFS required */
242 REG_RULE(5260-10, 5320+10, 80, 6, 20,
247 /* IEEE 802.11a, channel 100..144 - DFS required */
248 REG_RULE(5500-10, 5720+10, 160, 6, 20,
253 REG_RULE(5745-10, 5825+10, 80, 6, 20,
257 REG_RULE(56160+2160*1-1080, 56160+2160*3+1080, 2160, 0, 0, 0),
270 MODULE_PARM_DESC(ieee80211_regdom, "IEEE 802.11 regulatory domain code");
405 return !alpha2_equal(r->alpha2, alpha2); in regdom_changes()
433 regd = kzalloc(struct_size(regd, reg_rules, src_regd->n_reg_rules), in reg_copy_regd()
436 return ERR_PTR(-ENOMEM); in reg_copy_regd()
440 for (i = 0; i < src_regd->n_reg_rules; i++) in reg_copy_regd()
441 memcpy(®d->reg_rules[i], &src_regd->reg_rules[i], in reg_copy_regd()
475 list_del(&request->list); in reg_regdb_apply()
477 set_regdom(request->regdom, REGD_SOURCE_INTERNAL_DB); in reg_regdb_apply()
494 return -ENOMEM; in reg_schedule_apply()
497 request->regdom = regdom; in reg_schedule_apply()
500 list_add_tail(&request->list, ®_regdb_apply_list); in reg_schedule_apply()
541 * This lets us keep regulatory code which is updated on a regulatory
546 char country[12]; in call_crda() local
547 char *env[] = { country, NULL }; in call_crda()
550 snprintf(country, sizeof(country), "COUNTRY=%c%c", in call_crda()
555 return -EINVAL; in call_crda()
559 pr_debug("Calling CRDA for country: %c%c\n", in call_crda()
564 ret = kobject_uevent_env(®_pdev->dev.kobj, KOBJ_CHANGE, env); in call_crda()
578 return -ENODATA; in call_crda()
582 /* code to directly load a firmware database through request_firmware */
634 struct fwdb_country country[]; member
639 return (1 << ecw) - 1; in ecw2cw()
666 if ((u8 *)rule + sizeof(rule->len) > data + size) in valid_rule()
670 if (rule->len < offsetofend(struct fwdb_rule, max_bw)) in valid_rule()
672 if (rule->len >= offsetofend(struct fwdb_rule, wmm_ptr)) { in valid_rule()
673 u32 wmm_ptr = be16_to_cpu(rule->wmm_ptr) << 2; in valid_rule()
688 const struct fwdb_country *country) in valid_country() argument
690 unsigned int ptr = be16_to_cpu(country->coll_ptr) << 2; in valid_country()
700 if ((u8 *)coll + ALIGN(coll->len, 2) + in valid_country()
701 (coll->n_rules * 2) > data + size) in valid_country()
705 if (coll->len < offsetofend(struct fwdb_collection, dfs_region)) in valid_country()
708 rules_ptr = (void *)((u8 *)coll + ALIGN(coll->len, 2)); in valid_country()
710 for (i = 0; i < coll->n_rules; i++) { in valid_country()
733 if (end - p < 4) in load_keys_from_buffer()
740 if (plen > end - p) in load_keys_from_buffer()
751 pr_err("Problem loading in-kernel X.509 certificate (%ld)\n", in load_keys_from_buffer()
755 key_ref_to_ptr(key)->description); in load_keys_from_buffer()
764 pr_err("Problem parsing in-kernel X.509 certificate list\n"); in load_keys_from_buffer()
778 pr_notice("Loading compiled-in X.509 certificates for regulatory database\n"); in load_builtin_regdb_keys()
798 if (request_firmware(&sig, "regulatory.db.p7s", ®_pdev->dev)) in regdb_has_valid_signature()
801 result = verify_pkcs7_signature(data, size, sig->data, sig->size, in regdb_has_valid_signature()
834 const struct fwdb_country *country; in valid_regdb() local
839 if (hdr->magic != cpu_to_be32(FWDB_MAGIC)) in valid_regdb()
842 if (hdr->version != cpu_to_be32(FWDB_VERSION)) in valid_regdb()
848 country = &hdr->country[0]; in valid_regdb()
849 while ((u8 *)(country + 1) <= data + size) { in valid_regdb()
850 if (!country->coll_ptr) in valid_regdb()
852 if (!valid_country(data, size, country)) in valid_regdb()
854 country++; in valid_regdb()
861 const struct fwdb_country *country, in set_wmm_rule() argument
865 struct ieee80211_wmm_rule *wmm_rule = &rrule->wmm_rule; in set_wmm_rule()
869 wmm_ptr = be16_to_cpu(rule->wmm_ptr) << 2; in set_wmm_rule()
873 pr_err("Invalid regulatory WMM rule %u-%u in domain %c%c\n", in set_wmm_rule()
874 be32_to_cpu(rule->start), be32_to_cpu(rule->end), in set_wmm_rule()
875 country->alpha2[0], country->alpha2[1]); in set_wmm_rule()
880 wmm_rule->client[i].cw_min = in set_wmm_rule()
881 ecw2cw((wmm->client[i].ecw & 0xf0) >> 4); in set_wmm_rule()
882 wmm_rule->client[i].cw_max = ecw2cw(wmm->client[i].ecw & 0x0f); in set_wmm_rule()
883 wmm_rule->client[i].aifsn = wmm->client[i].aifsn; in set_wmm_rule()
884 wmm_rule->client[i].cot = in set_wmm_rule()
885 1000 * be16_to_cpu(wmm->client[i].cot); in set_wmm_rule()
886 wmm_rule->ap[i].cw_min = ecw2cw((wmm->ap[i].ecw & 0xf0) >> 4); in set_wmm_rule()
887 wmm_rule->ap[i].cw_max = ecw2cw(wmm->ap[i].ecw & 0x0f); in set_wmm_rule()
888 wmm_rule->ap[i].aifsn = wmm->ap[i].aifsn; in set_wmm_rule()
889 wmm_rule->ap[i].cot = 1000 * be16_to_cpu(wmm->ap[i].cot); in set_wmm_rule()
892 rrule->has_wmm = true; in set_wmm_rule()
896 const struct fwdb_country *country, int freq, in __regdb_query_wmm() argument
899 unsigned int ptr = be16_to_cpu(country->coll_ptr) << 2; in __regdb_query_wmm()
903 for (i = 0; i < coll->n_rules; i++) { in __regdb_query_wmm()
904 __be16 *rules_ptr = (void *)((u8 *)coll + ALIGN(coll->len, 2)); in __regdb_query_wmm()
908 if (rule->len < offsetofend(struct fwdb_rule, wmm_ptr)) in __regdb_query_wmm()
911 if (freq >= KHZ_TO_MHZ(be32_to_cpu(rule->start)) && in __regdb_query_wmm()
912 freq <= KHZ_TO_MHZ(be32_to_cpu(rule->end))) { in __regdb_query_wmm()
913 set_wmm_rule(db, country, rule, rrule); in __regdb_query_wmm()
918 return -ENODATA; in __regdb_query_wmm()
924 const struct fwdb_country *country; in reg_query_regdb_wmm() local
927 return -ENODATA; in reg_query_regdb_wmm()
932 country = &hdr->country[0]; in reg_query_regdb_wmm()
933 while (country->coll_ptr) { in reg_query_regdb_wmm()
934 if (alpha2_equal(alpha2, country->alpha2)) in reg_query_regdb_wmm()
935 return __regdb_query_wmm(regdb, country, freq, rule); in reg_query_regdb_wmm()
937 country++; in reg_query_regdb_wmm()
940 return -ENODATA; in reg_query_regdb_wmm()
945 const struct fwdb_country *country) in regdb_query_country() argument
947 unsigned int ptr = be16_to_cpu(country->coll_ptr) << 2; in regdb_query_country()
952 regdom = kzalloc(struct_size(regdom, reg_rules, coll->n_rules), in regdb_query_country()
955 return -ENOMEM; in regdb_query_country()
957 regdom->n_reg_rules = coll->n_rules; in regdb_query_country()
958 regdom->alpha2[0] = country->alpha2[0]; in regdb_query_country()
959 regdom->alpha2[1] = country->alpha2[1]; in regdb_query_country()
960 regdom->dfs_region = coll->dfs_region; in regdb_query_country()
962 for (i = 0; i < regdom->n_reg_rules; i++) { in regdb_query_country()
963 __be16 *rules_ptr = (void *)((u8 *)coll + ALIGN(coll->len, 2)); in regdb_query_country()
966 struct ieee80211_reg_rule *rrule = ®dom->reg_rules[i]; in regdb_query_country()
968 rrule->freq_range.start_freq_khz = be32_to_cpu(rule->start); in regdb_query_country()
969 rrule->freq_range.end_freq_khz = be32_to_cpu(rule->end); in regdb_query_country()
970 rrule->freq_range.max_bandwidth_khz = be32_to_cpu(rule->max_bw); in regdb_query_country()
972 rrule->power_rule.max_antenna_gain = 0; in regdb_query_country()
973 rrule->power_rule.max_eirp = be16_to_cpu(rule->max_eirp); in regdb_query_country()
975 rrule->flags = 0; in regdb_query_country()
976 if (rule->flags & FWDB_FLAG_NO_OFDM) in regdb_query_country()
977 rrule->flags |= NL80211_RRF_NO_OFDM; in regdb_query_country()
978 if (rule->flags & FWDB_FLAG_NO_OUTDOOR) in regdb_query_country()
979 rrule->flags |= NL80211_RRF_NO_OUTDOOR; in regdb_query_country()
980 if (rule->flags & FWDB_FLAG_DFS) in regdb_query_country()
981 rrule->flags |= NL80211_RRF_DFS; in regdb_query_country()
982 if (rule->flags & FWDB_FLAG_NO_IR) in regdb_query_country()
983 rrule->flags |= NL80211_RRF_NO_IR; in regdb_query_country()
984 if (rule->flags & FWDB_FLAG_AUTO_BW) in regdb_query_country()
985 rrule->flags |= NL80211_RRF_AUTO_BW; in regdb_query_country()
987 rrule->dfs_cac_ms = 0; in regdb_query_country()
990 if (rule->len >= offsetofend(struct fwdb_rule, cac_timeout)) in regdb_query_country()
991 rrule->dfs_cac_ms = in regdb_query_country()
992 1000 * be16_to_cpu(rule->cac_timeout); in regdb_query_country()
993 if (rule->len >= offsetofend(struct fwdb_rule, wmm_ptr)) in regdb_query_country()
994 set_wmm_rule(db, country, rule, rrule); in regdb_query_country()
1003 const struct fwdb_country *country; in query_regdb() local
1010 country = &hdr->country[0]; in query_regdb()
1011 while (country->coll_ptr) { in query_regdb()
1012 if (alpha2_equal(alpha2, country->alpha2)) in query_regdb()
1013 return regdb_query_country(regdb, country); in query_regdb()
1014 country++; in query_regdb()
1017 return -ENODATA; in query_regdb()
1028 set_error = -ENODATA; in regdb_fw_cb()
1029 } else if (!valid_regdb(fw->data, fw->size)) { in regdb_fw_cb()
1031 set_error = -EINVAL; in regdb_fw_cb()
1036 /* negative case - a bug in regdb_fw_cb()
1037 * positive case - can happen due to race in case of multiple cb's in in regdb_fw_cb()
1045 db = kmemdup(fw->data, fw->size, GFP_KERNEL); in regdb_fw_cb()
1077 return -ENOMEM; in query_regdb_file()
1080 ®_pdev->dev, GFP_KERNEL, in query_regdb_file()
1094 err = request_firmware(&fw, "regulatory.db", ®_pdev->dev); in reg_reload_regdb()
1098 if (!valid_regdb(fw->data, fw->size)) { in reg_reload_regdb()
1099 err = -ENODATA; in reg_reload_regdb()
1103 db = kmemdup(fw->data, fw->size, GFP_KERNEL); in reg_reload_regdb()
1105 err = -ENOMEM; in reg_reload_regdb()
1122 if (query_regdb_file(request->alpha2) == 0) in reg_query_database()
1125 if (call_crda(request->alpha2) == 0) in reg_query_database()
1135 if (!lr || lr->processed) in reg_is_valid_request()
1138 return alpha2_equal(lr->alpha2, alpha2); in reg_is_valid_request()
1146 * Follow the driver's regulatory domain, if present, unless a country in reg_get_regdomain()
1149 if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && in reg_get_regdomain()
1150 lr->initiator != NL80211_REGDOM_SET_BY_USER && in reg_get_regdomain()
1151 wiphy->regd) in reg_get_regdomain()
1161 const struct ieee80211_freq_range *freq_range = &rule->freq_range; in reg_get_max_bandwidth_from_range()
1166 for (idx = 0; idx < rd->n_reg_rules; idx++) in reg_get_max_bandwidth_from_range()
1167 if (rule == &rd->reg_rules[idx]) in reg_get_max_bandwidth_from_range()
1170 if (idx == rd->n_reg_rules) in reg_get_max_bandwidth_from_range()
1177 tmp = &rd->reg_rules[--no]; in reg_get_max_bandwidth_from_range()
1178 freq_range_tmp = &tmp->freq_range; in reg_get_max_bandwidth_from_range()
1180 if (freq_range_tmp->end_freq_khz < freq_range->start_freq_khz) in reg_get_max_bandwidth_from_range()
1186 start_freq = freq_range->start_freq_khz; in reg_get_max_bandwidth_from_range()
1189 freq_range = &rule->freq_range; in reg_get_max_bandwidth_from_range()
1192 while (no < rd->n_reg_rules - 1) { in reg_get_max_bandwidth_from_range()
1193 tmp = &rd->reg_rules[++no]; in reg_get_max_bandwidth_from_range()
1194 freq_range_tmp = &tmp->freq_range; in reg_get_max_bandwidth_from_range()
1196 if (freq_range_tmp->start_freq_khz > freq_range->end_freq_khz) in reg_get_max_bandwidth_from_range()
1202 end_freq = freq_range->end_freq_khz; in reg_get_max_bandwidth_from_range()
1204 return end_freq - start_freq; in reg_get_max_bandwidth_from_range()
1212 if (rule->flags & NL80211_RRF_NO_160MHZ) in reg_get_max_bandwidth()
1214 if (rule->flags & NL80211_RRF_NO_80MHZ) in reg_get_max_bandwidth()
1218 * HT40+/HT40- limits are handled per-channel. Only limit BW if both in reg_get_max_bandwidth()
1221 if (rule->flags & NL80211_RRF_NO_HT40MINUS && in reg_get_max_bandwidth()
1222 rule->flags & NL80211_RRF_NO_HT40PLUS) in reg_get_max_bandwidth()
1231 const struct ieee80211_freq_range *freq_range = &rule->freq_range; in is_valid_reg_rule()
1234 if (freq_range->start_freq_khz <= 0 || freq_range->end_freq_khz <= 0) in is_valid_reg_rule()
1237 if (freq_range->start_freq_khz > freq_range->end_freq_khz) in is_valid_reg_rule()
1240 freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz; in is_valid_reg_rule()
1242 if (freq_range->end_freq_khz <= freq_range->start_freq_khz || in is_valid_reg_rule()
1243 freq_range->max_bandwidth_khz > freq_diff) in is_valid_reg_rule()
1254 if (!rd->n_reg_rules) in is_valid_rd()
1257 if (WARN_ON(rd->n_reg_rules > NL80211_MAX_SUPP_REG_RULES)) in is_valid_rd()
1260 for (i = 0; i < rd->n_reg_rules; i++) { in is_valid_rd()
1261 reg_rule = &rd->reg_rules[i]; in is_valid_rd()
1270 * freq_in_rule_band - tells us if a frequency is in a frequency band
1289 * From 802.11ad: directional multi-gigabit (DMG): in freq_in_rule_band()
1295 if (abs(freq_khz - freq_range->start_freq_khz) <= limit) in freq_in_rule_band()
1297 if (abs(freq_khz - freq_range->end_freq_khz) <= limit) in freq_in_rule_band()
1321 intersect->cw_min = max_t(u16, wmm_ac1->cw_min, wmm_ac2->cw_min); in reg_wmm_rules_intersect()
1322 intersect->cw_max = max_t(u16, wmm_ac1->cw_max, wmm_ac2->cw_max); in reg_wmm_rules_intersect()
1323 intersect->cot = min_t(u16, wmm_ac1->cot, wmm_ac2->cot); in reg_wmm_rules_intersect()
1324 intersect->aifsn = max_t(u8, wmm_ac1->aifsn, wmm_ac2->aifsn); in reg_wmm_rules_intersect()
1345 freq_range1 = &rule1->freq_range; in reg_rules_intersect()
1346 freq_range2 = &rule2->freq_range; in reg_rules_intersect()
1347 freq_range = &intersected_rule->freq_range; in reg_rules_intersect()
1349 power_rule1 = &rule1->power_rule; in reg_rules_intersect()
1350 power_rule2 = &rule2->power_rule; in reg_rules_intersect()
1351 power_rule = &intersected_rule->power_rule; in reg_rules_intersect()
1353 wmm_rule1 = &rule1->wmm_rule; in reg_rules_intersect()
1354 wmm_rule2 = &rule2->wmm_rule; in reg_rules_intersect()
1355 wmm_rule = &intersected_rule->wmm_rule; in reg_rules_intersect()
1357 freq_range->start_freq_khz = max(freq_range1->start_freq_khz, in reg_rules_intersect()
1358 freq_range2->start_freq_khz); in reg_rules_intersect()
1359 freq_range->end_freq_khz = min(freq_range1->end_freq_khz, in reg_rules_intersect()
1360 freq_range2->end_freq_khz); in reg_rules_intersect()
1362 max_bandwidth1 = freq_range1->max_bandwidth_khz; in reg_rules_intersect()
1363 max_bandwidth2 = freq_range2->max_bandwidth_khz; in reg_rules_intersect()
1365 if (rule1->flags & NL80211_RRF_AUTO_BW) in reg_rules_intersect()
1367 if (rule2->flags & NL80211_RRF_AUTO_BW) in reg_rules_intersect()
1370 freq_range->max_bandwidth_khz = min(max_bandwidth1, max_bandwidth2); in reg_rules_intersect()
1372 intersected_rule->flags = rule1->flags | rule2->flags; in reg_rules_intersect()
1382 if ((rule1->flags & NL80211_RRF_AUTO_BW) && in reg_rules_intersect()
1383 (rule2->flags & NL80211_RRF_AUTO_BW)) in reg_rules_intersect()
1384 intersected_rule->flags |= NL80211_RRF_AUTO_BW; in reg_rules_intersect()
1386 intersected_rule->flags &= ~NL80211_RRF_AUTO_BW; in reg_rules_intersect()
1388 freq_diff = freq_range->end_freq_khz - freq_range->start_freq_khz; in reg_rules_intersect()
1389 if (freq_range->max_bandwidth_khz > freq_diff) in reg_rules_intersect()
1390 freq_range->max_bandwidth_khz = freq_diff; in reg_rules_intersect()
1392 power_rule->max_eirp = min(power_rule1->max_eirp, in reg_rules_intersect()
1393 power_rule2->max_eirp); in reg_rules_intersect()
1394 power_rule->max_antenna_gain = min(power_rule1->max_antenna_gain, in reg_rules_intersect()
1395 power_rule2->max_antenna_gain); in reg_rules_intersect()
1397 intersected_rule->dfs_cac_ms = max(rule1->dfs_cac_ms, in reg_rules_intersect()
1398 rule2->dfs_cac_ms); in reg_rules_intersect()
1400 if (rule1->has_wmm && rule2->has_wmm) { in reg_rules_intersect()
1404 reg_wmm_rules_intersect(&wmm_rule1->client[ac], in reg_rules_intersect()
1405 &wmm_rule2->client[ac], in reg_rules_intersect()
1406 &wmm_rule->client[ac]); in reg_rules_intersect()
1407 reg_wmm_rules_intersect(&wmm_rule1->ap[ac], in reg_rules_intersect()
1408 &wmm_rule2->ap[ac], in reg_rules_intersect()
1409 &wmm_rule->ap[ac]); in reg_rules_intersect()
1412 intersected_rule->has_wmm = true; in reg_rules_intersect()
1413 } else if (rule1->has_wmm) { in reg_rules_intersect()
1415 intersected_rule->has_wmm = true; in reg_rules_intersect()
1416 } else if (rule2->has_wmm) { in reg_rules_intersect()
1418 intersected_rule->has_wmm = true; in reg_rules_intersect()
1420 intersected_rule->has_wmm = false; in reg_rules_intersect()
1424 return -EINVAL; in reg_rules_intersect()
1434 if (r1->flags != r2->flags) in rule_contains()
1438 if ((r1->power_rule.max_antenna_gain > in rule_contains()
1439 r2->power_rule.max_antenna_gain) || in rule_contains()
1440 r1->power_rule.max_eirp > r2->power_rule.max_eirp) in rule_contains()
1444 if (r1->freq_range.start_freq_khz > r2->freq_range.start_freq_khz || in rule_contains()
1445 r1->freq_range.end_freq_khz < r2->freq_range.end_freq_khz) in rule_contains()
1449 if (r1->freq_range.max_bandwidth_khz < in rule_contains()
1450 r2->freq_range.max_bandwidth_khz) in rule_contains()
1465 /* rule is already contained - do nothing */ in add_rule()
1481 * regdom_intersect - do the intersection between two regulatory domains
1511 * is it will return -EINVAL if the rule computed makes no sense. in regdom_intersect()
1515 for (x = 0; x < rd1->n_reg_rules; x++) { in regdom_intersect()
1516 rule1 = &rd1->reg_rules[x]; in regdom_intersect()
1517 for (y = 0; y < rd2->n_reg_rules; y++) { in regdom_intersect()
1518 rule2 = &rd2->reg_rules[y]; in regdom_intersect()
1532 for (x = 0; x < rd1->n_reg_rules; x++) { in regdom_intersect()
1533 rule1 = &rd1->reg_rules[x]; in regdom_intersect()
1534 for (y = 0; y < rd2->n_reg_rules; y++) { in regdom_intersect()
1535 rule2 = &rd2->reg_rules[y]; in regdom_intersect()
1545 add_rule(&intersected_rule, rd->reg_rules, in regdom_intersect()
1546 &rd->n_reg_rules); in regdom_intersect()
1550 rd->alpha2[0] = '9'; in regdom_intersect()
1551 rd->alpha2[1] = '8'; in regdom_intersect()
1552 rd->dfs_region = reg_intersect_dfs_region(rd1->dfs_region, in regdom_intersect()
1553 rd2->dfs_region); in regdom_intersect()
1597 return ERR_PTR(-EINVAL); in freq_reg_info_regd()
1599 for (i = 0; i < regd->n_reg_rules; i++) { in freq_reg_info_regd()
1603 rr = ®d->reg_rules[i]; in freq_reg_info_regd()
1604 fr = &rr->freq_range; in freq_reg_info_regd()
1621 return ERR_PTR(-ERANGE); in freq_reg_info_regd()
1623 return ERR_PTR(-EINVAL); in freq_reg_info_regd()
1632 int i = ARRAY_SIZE(bws) - 1; in __freq_reg_info()
1635 for (bw = MHZ_TO_KHZ(bws[i]); bw >= min_bw; bw = MHZ_TO_KHZ(bws[i--])) { in __freq_reg_info()
1663 return "country element"; in reg_initiator_name()
1677 bool is_s1g = chan->band == NL80211_BAND_S1GHZ; in reg_rule_to_chan_bw_flags()
1679 freq_range = ®_rule->freq_range; in reg_rule_to_chan_bw_flags()
1681 max_bandwidth_khz = freq_range->max_bandwidth_khz; in reg_rule_to_chan_bw_flags()
1684 if (reg_rule->flags & NL80211_RRF_AUTO_BW) in reg_rule_to_chan_bw_flags()
1706 edge_offset = (center_freq_khz - ch_bw / 2) - in reg_rule_to_chan_bw_flags()
1707 freq_range->start_freq_khz; in reg_rule_to_chan_bw_flags()
1765 power_rule = ®_rule->power_rule; in handle_channel_single_rule()
1768 if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && in handle_channel_single_rule()
1770 request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) { in handle_channel_single_rule()
1776 chan->flags = chan->orig_flags = in handle_channel_single_rule()
1777 map_regdom_flags(reg_rule->flags) | bw_flags; in handle_channel_single_rule()
1778 chan->max_antenna_gain = chan->orig_mag = in handle_channel_single_rule()
1779 (int) MBI_TO_DBI(power_rule->max_antenna_gain); in handle_channel_single_rule()
1780 chan->max_reg_power = chan->max_power = chan->orig_mpwr = in handle_channel_single_rule()
1781 (int) MBM_TO_DBM(power_rule->max_eirp); in handle_channel_single_rule()
1783 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_single_rule()
1784 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_single_rule()
1785 if (reg_rule->dfs_cac_ms) in handle_channel_single_rule()
1786 chan->dfs_cac_ms = reg_rule->dfs_cac_ms; in handle_channel_single_rule()
1792 chan->dfs_state = NL80211_DFS_USABLE; in handle_channel_single_rule()
1793 chan->dfs_state_entered = jiffies; in handle_channel_single_rule()
1795 chan->beacon_found = false; in handle_channel_single_rule()
1796 chan->flags = flags | bw_flags | map_regdom_flags(reg_rule->flags); in handle_channel_single_rule()
1797 chan->max_antenna_gain = in handle_channel_single_rule()
1798 min_t(int, chan->orig_mag, in handle_channel_single_rule()
1799 MBI_TO_DBI(power_rule->max_antenna_gain)); in handle_channel_single_rule()
1800 chan->max_reg_power = (int) MBM_TO_DBM(power_rule->max_eirp); in handle_channel_single_rule()
1802 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_single_rule()
1803 if (reg_rule->dfs_cac_ms) in handle_channel_single_rule()
1804 chan->dfs_cac_ms = reg_rule->dfs_cac_ms; in handle_channel_single_rule()
1806 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_single_rule()
1809 if (chan->orig_mpwr) { in handle_channel_single_rule()
1812 * will always follow the passed country IE power settings. in handle_channel_single_rule()
1815 wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_FOLLOW_POWER) in handle_channel_single_rule()
1816 chan->max_power = chan->max_reg_power; in handle_channel_single_rule()
1818 chan->max_power = min(chan->orig_mpwr, in handle_channel_single_rule()
1819 chan->max_reg_power); in handle_channel_single_rule()
1821 chan->max_power = chan->max_reg_power; in handle_channel_single_rule()
1842 power_rule1 = &rrule1->power_rule; in handle_channel_adjacent_rules()
1843 power_rule2 = &rrule2->power_rule; in handle_channel_adjacent_rules()
1847 if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && in handle_channel_adjacent_rules()
1849 request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) { in handle_channel_adjacent_rules()
1854 chan->flags = in handle_channel_adjacent_rules()
1855 map_regdom_flags(rrule1->flags) | in handle_channel_adjacent_rules()
1856 map_regdom_flags(rrule2->flags) | in handle_channel_adjacent_rules()
1859 chan->orig_flags = chan->flags; in handle_channel_adjacent_rules()
1860 chan->max_antenna_gain = in handle_channel_adjacent_rules()
1861 min_t(int, MBI_TO_DBI(power_rule1->max_antenna_gain), in handle_channel_adjacent_rules()
1862 MBI_TO_DBI(power_rule2->max_antenna_gain)); in handle_channel_adjacent_rules()
1863 chan->orig_mag = chan->max_antenna_gain; in handle_channel_adjacent_rules()
1864 chan->max_reg_power = in handle_channel_adjacent_rules()
1865 min_t(int, MBM_TO_DBM(power_rule1->max_eirp), in handle_channel_adjacent_rules()
1866 MBM_TO_DBM(power_rule2->max_eirp)); in handle_channel_adjacent_rules()
1867 chan->max_power = chan->max_reg_power; in handle_channel_adjacent_rules()
1868 chan->orig_mpwr = chan->max_reg_power; in handle_channel_adjacent_rules()
1870 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_adjacent_rules()
1871 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_adjacent_rules()
1872 if (rrule1->dfs_cac_ms || rrule2->dfs_cac_ms) in handle_channel_adjacent_rules()
1873 chan->dfs_cac_ms = max_t(unsigned int, in handle_channel_adjacent_rules()
1874 rrule1->dfs_cac_ms, in handle_channel_adjacent_rules()
1875 rrule2->dfs_cac_ms); in handle_channel_adjacent_rules()
1881 chan->dfs_state = NL80211_DFS_USABLE; in handle_channel_adjacent_rules()
1882 chan->dfs_state_entered = jiffies; in handle_channel_adjacent_rules()
1884 chan->beacon_found = false; in handle_channel_adjacent_rules()
1885 chan->flags = flags | bw_flags1 | bw_flags2 | in handle_channel_adjacent_rules()
1886 map_regdom_flags(rrule1->flags) | in handle_channel_adjacent_rules()
1887 map_regdom_flags(rrule2->flags); in handle_channel_adjacent_rules()
1895 chan->flags &= ~IEEE80211_CHAN_NO_10MHZ; in handle_channel_adjacent_rules()
1899 chan->flags &= ~IEEE80211_CHAN_NO_20MHZ; in handle_channel_adjacent_rules()
1901 chan->max_antenna_gain = in handle_channel_adjacent_rules()
1902 min_t(int, chan->orig_mag, in handle_channel_adjacent_rules()
1904 MBI_TO_DBI(power_rule1->max_antenna_gain), in handle_channel_adjacent_rules()
1905 MBI_TO_DBI(power_rule2->max_antenna_gain))); in handle_channel_adjacent_rules()
1906 chan->max_reg_power = min_t(int, in handle_channel_adjacent_rules()
1907 MBM_TO_DBM(power_rule1->max_eirp), in handle_channel_adjacent_rules()
1908 MBM_TO_DBM(power_rule2->max_eirp)); in handle_channel_adjacent_rules()
1910 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_adjacent_rules()
1911 if (rrule1->dfs_cac_ms || rrule2->dfs_cac_ms) in handle_channel_adjacent_rules()
1912 chan->dfs_cac_ms = max_t(unsigned int, in handle_channel_adjacent_rules()
1913 rrule1->dfs_cac_ms, in handle_channel_adjacent_rules()
1914 rrule2->dfs_cac_ms); in handle_channel_adjacent_rules()
1916 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_adjacent_rules()
1919 if (chan->orig_mpwr) { in handle_channel_adjacent_rules()
1921 * will always follow the passed country IE power settings. in handle_channel_adjacent_rules()
1924 wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_FOLLOW_POWER) in handle_channel_adjacent_rules()
1925 chan->max_power = chan->max_reg_power; in handle_channel_adjacent_rules()
1927 chan->max_power = min(chan->orig_mpwr, in handle_channel_adjacent_rules()
1928 chan->max_reg_power); in handle_channel_adjacent_rules()
1930 chan->max_power = chan->max_reg_power; in handle_channel_adjacent_rules()
1944 struct wiphy *request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); in handle_channel()
1949 u32 flags = chan->orig_flags; in handle_channel()
1954 * chan - 20 MHz and chan + 20 MHz and test in handle_channel()
1958 orig_chan_freq - MHZ_TO_KHZ(20)); in handle_channel()
1964 if (rrule1->freq_range.end_freq_khz != in handle_channel()
1965 rrule2->freq_range.start_freq_khz) in handle_channel()
1969 rrule1->freq_range.start_freq_khz; in handle_channel()
1971 rrule2->freq_range.end_freq_khz; in handle_channel()
1974 rrule1->freq_range.max_bandwidth_khz, in handle_channel()
1975 rrule2->freq_range.max_bandwidth_khz); in handle_channel()
1992 * from a Country IE and the Country IE had no information in handle_channel()
1996 * a country IE with information for the 2.4 GHz band in handle_channel()
2000 PTR_ERR(rrule) == -ERANGE) in handle_channel()
2003 if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && in handle_channel()
2005 request_wiphy->regulatory_flags & REGULATORY_STRICT_REG) { in handle_channel()
2007 chan->center_freq, chan->freq_offset); in handle_channel()
2008 chan->orig_flags |= IEEE80211_CHAN_DISABLED; in handle_channel()
2009 chan->flags = chan->orig_flags; in handle_channel()
2012 chan->center_freq, chan->freq_offset); in handle_channel()
2013 chan->flags |= IEEE80211_CHAN_DISABLED; in handle_channel()
2031 for (i = 0; i < sband->n_channels; i++) in handle_band()
2032 handle_channel(wiphy, initiator, &sband->channels[i]); in handle_band()
2037 if (request->initiator != NL80211_REGDOM_SET_BY_USER) in reg_request_cell_base()
2039 return request->user_reg_hint_type == NL80211_USER_REG_HINT_CELL_BASE; in reg_request_cell_base()
2058 !regdom_changes(pending_request->alpha2)) in reg_ignore_cell_hint()
2067 return !(wiphy->features & NL80211_FEATURE_CELL_BASE_REG_HINTS); in reg_dev_ignore_cell_hint()
2084 if (wiphy->regulatory_flags & REGULATORY_STRICT_REG && in wiphy_strict_alpha2_regd()
2085 !(wiphy->regulatory_flags & REGULATORY_CUSTOM_REG)) in wiphy_strict_alpha2_regd()
2095 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) in ignore_reg_update()
2105 wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) { in ignore_reg_update()
2112 * wiphy->regd will be set once the device has its own in ignore_reg_update()
2115 if (wiphy_strict_alpha2_regd(wiphy) && !wiphy->regd && in ignore_reg_update()
2117 !is_world_regdom(lr->alpha2)) { in ignore_reg_update()
2135 if (is_world_regdom(cr->alpha2) || (wr && is_world_regdom(wr->alpha2))) in reg_is_world_roaming()
2138 if (lr && lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE && in reg_is_world_roaming()
2139 wiphy->regulatory_flags & REGULATORY_CUSTOM_REG) in reg_is_world_roaming()
2153 sband = wiphy->bands[reg_beacon->chan.band]; in handle_reg_beacon()
2154 chan = &sband->channels[chan_idx]; in handle_reg_beacon()
2156 if (likely(!ieee80211_channel_equal(chan, ®_beacon->chan))) in handle_reg_beacon()
2159 if (chan->beacon_found) in handle_reg_beacon()
2162 chan->beacon_found = true; in handle_reg_beacon()
2167 if (wiphy->regulatory_flags & REGULATORY_DISABLE_BEACON_HINTS) in handle_reg_beacon()
2172 if (chan->flags & IEEE80211_CHAN_NO_IR) { in handle_reg_beacon()
2173 chan->flags &= ~IEEE80211_CHAN_NO_IR; in handle_reg_beacon()
2191 if (!wiphy->bands[reg_beacon->chan.band]) in wiphy_update_new_beacon()
2194 sband = wiphy->bands[reg_beacon->chan.band]; in wiphy_update_new_beacon()
2196 for (i = 0; i < sband->n_channels; i++) in wiphy_update_new_beacon()
2210 if (!wiphy->bands[reg_beacon->chan.band]) in wiphy_update_beacon_reg()
2212 sband = wiphy->bands[reg_beacon->chan.band]; in wiphy_update_beacon_reg()
2213 for (i = 0; i < sband->n_channels; i++) in wiphy_update_beacon_reg()
2234 if (chan->flags & IEEE80211_CHAN_DISABLED) in is_ht40_allowed()
2237 if ((chan->flags & IEEE80211_CHAN_NO_HT40) == IEEE80211_CHAN_NO_HT40) in is_ht40_allowed()
2245 struct ieee80211_supported_band *sband = wiphy->bands[channel->band]; in reg_process_ht_flags_channel()
2252 channel->flags |= IEEE80211_CHAN_NO_HT40; in reg_process_ht_flags_channel()
2258 * be able to use HT40- or HT40+, this finds them (or not) in reg_process_ht_flags_channel()
2260 for (i = 0; i < sband->n_channels; i++) { in reg_process_ht_flags_channel()
2261 struct ieee80211_channel *c = &sband->channels[i]; in reg_process_ht_flags_channel()
2263 if (c->center_freq == (channel->center_freq - 20)) in reg_process_ht_flags_channel()
2265 if (c->center_freq == (channel->center_freq + 20)) in reg_process_ht_flags_channel()
2273 freq_reg_info_regd(MHZ_TO_KHZ(channel->center_freq), in reg_process_ht_flags_channel()
2277 flags = reg_rule->flags; in reg_process_ht_flags_channel()
2287 channel->flags |= IEEE80211_CHAN_NO_HT40MINUS; in reg_process_ht_flags_channel()
2289 channel->flags &= ~IEEE80211_CHAN_NO_HT40MINUS; in reg_process_ht_flags_channel()
2293 channel->flags |= IEEE80211_CHAN_NO_HT40PLUS; in reg_process_ht_flags_channel()
2295 channel->flags &= ~IEEE80211_CHAN_NO_HT40PLUS; in reg_process_ht_flags_channel()
2306 for (i = 0; i < sband->n_channels; i++) in reg_process_ht_flags_band()
2307 reg_process_ht_flags_channel(wiphy, &sband->channels[i]); in reg_process_ht_flags_band()
2318 reg_process_ht_flags_band(wiphy, wiphy->bands[band]); in reg_process_ht_flags()
2324 if (wiphy->reg_notifier) in reg_call_notifier()
2325 wiphy->reg_notifier(wiphy, request); in reg_call_notifier()
2335 iftype = wdev->iftype; in reg_wdev_chan_valid()
2338 if (!wdev->netdev || !netif_running(wdev->netdev)) in reg_wdev_chan_valid()
2344 if (!wdev->beacon_interval) in reg_wdev_chan_valid()
2346 chandef = wdev->chandef; in reg_wdev_chan_valid()
2349 if (!wdev->ssid_len) in reg_wdev_chan_valid()
2351 chandef = wdev->chandef; in reg_wdev_chan_valid()
2355 if (!wdev->current_bss || in reg_wdev_chan_valid()
2356 !wdev->current_bss->pub.channel) in reg_wdev_chan_valid()
2359 if (!rdev->ops->get_channel || in reg_wdev_chan_valid()
2362 wdev->current_bss->pub.channel, in reg_wdev_chan_valid()
2405 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) in reg_leave_invalid_chans()
2418 if (!(rdev->wiphy.regulatory_flags & in reg_check_chans_work()
2420 reg_leave_invalid_chans(&rdev->wiphy); in reg_check_chans_work()
2449 wiphy->regulatory_flags & REGULATORY_CUSTOM_REG && in wiphy_update_regulatory()
2450 !(wiphy->regulatory_flags & in wiphy_update_regulatory()
2456 lr->dfs_region = get_cfg80211_regdom()->dfs_region; in wiphy_update_regulatory()
2459 handle_band(wiphy, initiator, wiphy->bands[band]); in wiphy_update_regulatory()
2474 wiphy = &rdev->wiphy; in update_all_wiphy_regulatory()
2500 chan->center_freq, chan->freq_offset); in handle_channel_custom()
2501 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) { in handle_channel_custom()
2502 chan->flags |= IEEE80211_CHAN_DISABLED; in handle_channel_custom()
2504 chan->orig_flags |= IEEE80211_CHAN_DISABLED; in handle_channel_custom()
2505 chan->flags = chan->orig_flags; in handle_channel_custom()
2510 power_rule = ®_rule->power_rule; in handle_channel_custom()
2513 chan->dfs_state_entered = jiffies; in handle_channel_custom()
2514 chan->dfs_state = NL80211_DFS_USABLE; in handle_channel_custom()
2516 chan->beacon_found = false; in handle_channel_custom()
2518 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) in handle_channel_custom()
2519 chan->flags = chan->orig_flags | bw_flags | in handle_channel_custom()
2520 map_regdom_flags(reg_rule->flags); in handle_channel_custom()
2522 chan->flags |= map_regdom_flags(reg_rule->flags) | bw_flags; in handle_channel_custom()
2524 chan->max_antenna_gain = (int) MBI_TO_DBI(power_rule->max_antenna_gain); in handle_channel_custom()
2525 chan->max_reg_power = chan->max_power = in handle_channel_custom()
2526 (int) MBM_TO_DBM(power_rule->max_eirp); in handle_channel_custom()
2528 if (chan->flags & IEEE80211_CHAN_RADAR) { in handle_channel_custom()
2529 if (reg_rule->dfs_cac_ms) in handle_channel_custom()
2530 chan->dfs_cac_ms = reg_rule->dfs_cac_ms; in handle_channel_custom()
2532 chan->dfs_cac_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; in handle_channel_custom()
2535 chan->max_power = chan->max_reg_power; in handle_channel_custom()
2550 * compatible to US, which permits 2402 - 2472 MHz. in handle_band_custom()
2552 for (i = 0; i < sband->n_channels; i++) in handle_band_custom()
2553 handle_channel_custom(wiphy, &sband->channels[i], regd, in handle_band_custom()
2564 WARN(!(wiphy->regulatory_flags & REGULATORY_CUSTOM_REG), in wiphy_apply_custom_regulatory()
2566 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG; in wiphy_apply_custom_regulatory()
2569 if (!wiphy->bands[band]) in wiphy_apply_custom_regulatory()
2571 handle_band_custom(wiphy, wiphy->bands[band], regd); in wiphy_apply_custom_regulatory()
2588 lr->processed = true; in reg_set_request_processed()
2602 * reg_process_hint_core - process core regulatory requests
2612 core_request->intersect = false; in reg_process_hint_core()
2613 core_request->processed = false; in reg_process_hint_core()
2632 if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) in __reg_process_hint_user()
2636 * to their country before the IE is picked up in __reg_process_hint_user()
2638 if (lr->initiator == NL80211_REGDOM_SET_BY_USER && in __reg_process_hint_user()
2639 lr->intersect) in __reg_process_hint_user()
2645 if ((lr->initiator == NL80211_REGDOM_SET_BY_CORE || in __reg_process_hint_user()
2646 lr->initiator == NL80211_REGDOM_SET_BY_DRIVER || in __reg_process_hint_user()
2647 lr->initiator == NL80211_REGDOM_SET_BY_USER) && in __reg_process_hint_user()
2648 regdom_changes(lr->alpha2)) in __reg_process_hint_user()
2651 if (!regdom_changes(user_request->alpha2)) in __reg_process_hint_user()
2658 * reg_process_hint_user - process user regulatory requests
2674 user_request->intersect = treatment == REG_REQ_INTERSECT; in reg_process_hint_user()
2675 user_request->processed = false; in reg_process_hint_user()
2679 user_alpha2[0] = user_request->alpha2[0]; in reg_process_hint_user()
2680 user_alpha2[1] = user_request->alpha2[1]; in reg_process_hint_user()
2692 if (lr->initiator == NL80211_REGDOM_SET_BY_CORE) { in __reg_process_hint_driver()
2693 if (regdom_changes(driver_request->alpha2)) in __reg_process_hint_driver()
2703 if (lr->initiator == NL80211_REGDOM_SET_BY_DRIVER && in __reg_process_hint_driver()
2704 !regdom_changes(driver_request->alpha2)) in __reg_process_hint_driver()
2711 * reg_process_hint_driver - process driver regulatory requests
2741 rcu_assign_pointer(wiphy->regd, regd); in reg_process_hint_driver()
2746 driver_request->intersect = treatment == REG_REQ_INTERSECT; in reg_process_hint_driver()
2747 driver_request->processed = false; in reg_process_hint_driver()
2777 /* Trust a Cell base station over the AP's country IE */ in __reg_process_hint_country_ie()
2778 if (regdom_changes(country_ie_request->alpha2)) in __reg_process_hint_country_ie()
2782 if (wiphy->regulatory_flags & REGULATORY_COUNTRY_IE_IGNORE) in __reg_process_hint_country_ie()
2786 if (unlikely(!is_an_alpha2(country_ie_request->alpha2))) in __reg_process_hint_country_ie()
2787 return -EINVAL; in __reg_process_hint_country_ie()
2789 if (lr->initiator != NL80211_REGDOM_SET_BY_COUNTRY_IE) in __reg_process_hint_country_ie()
2792 last_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); in __reg_process_hint_country_ie()
2797 * Country IE alpha2s. We could in __reg_process_hint_country_ie()
2801 if (regdom_changes(country_ie_request->alpha2)) in __reg_process_hint_country_ie()
2806 if (regdom_changes(country_ie_request->alpha2)) in __reg_process_hint_country_ie()
2812 * reg_process_hint_country_ie - process regulatory requests from country IEs
2814 * @country_ie_request: a regulatory request from a country IE
2817 * a regulatory request issued by a country Information Element.
2842 WARN_ONCE(1, "Unexpected intersection for country elements"); in reg_process_hint_country_ie()
2846 country_ie_request->intersect = false; in reg_process_hint_country_ie()
2847 country_ie_request->processed = false; in reg_process_hint_country_ie()
2867 wiphy1_regd = rcu_dereference(wiphy1->regd); in reg_dfs_domain_same()
2871 wiphy2_regd = rcu_dereference(wiphy2->regd); in reg_dfs_domain_same()
2875 dfs_domain_same = wiphy1_regd->dfs_region == wiphy2_regd->dfs_region; in reg_dfs_domain_same()
2885 if (!(dst_chan->flags & IEEE80211_CHAN_RADAR) || in reg_copy_dfs_chan_state()
2886 !(src_chan->flags & IEEE80211_CHAN_RADAR)) in reg_copy_dfs_chan_state()
2889 if (dst_chan->flags & IEEE80211_CHAN_DISABLED || in reg_copy_dfs_chan_state()
2890 src_chan->flags & IEEE80211_CHAN_DISABLED) in reg_copy_dfs_chan_state()
2893 if (src_chan->center_freq == dst_chan->center_freq && in reg_copy_dfs_chan_state()
2894 dst_chan->dfs_state == NL80211_DFS_USABLE) { in reg_copy_dfs_chan_state()
2895 dst_chan->dfs_state = src_chan->dfs_state; in reg_copy_dfs_chan_state()
2896 dst_chan->dfs_state_entered = src_chan->dfs_state_entered; in reg_copy_dfs_chan_state()
2911 dst_sband = dst_wiphy->bands[band]; in wiphy_share_dfs_chan_state()
2912 src_sband = src_wiphy->bands[band]; in wiphy_share_dfs_chan_state()
2916 for (i = 0; i < dst_sband->n_channels; i++) { in wiphy_share_dfs_chan_state()
2917 dst_chan = &dst_sband->channels[i]; in wiphy_share_dfs_chan_state()
2918 for (j = 0; j < src_sband->n_channels; j++) { in wiphy_share_dfs_chan_state()
2919 src_chan = &src_sband->channels[j]; in wiphy_share_dfs_chan_state()
2933 if (wiphy == &rdev->wiphy) in wiphy_all_share_dfs_chan_state()
2935 wiphy_share_dfs_chan_state(wiphy, &rdev->wiphy); in wiphy_all_share_dfs_chan_state()
2944 enum nl80211_reg_initiator initiator = reg_request->initiator; in reg_process_hint()
2946 if (reg_request->wiphy_idx != WIPHY_IDX_INVALID) in reg_process_hint()
2947 wiphy = wiphy_idx_to_wiphy(reg_request->wiphy_idx); in reg_process_hint()
2981 wiphy->regulatory_flags & REGULATORY_STRICT_REG) { in reg_process_hint()
2999 wiphy = &rdev->wiphy; in notify_self_managed_wiphys()
3000 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && in notify_self_managed_wiphys()
3001 request->initiator == NL80211_REGDOM_SET_BY_USER) in notify_self_managed_wiphys()
3017 /* When last_request->processed becomes true this will be rescheduled */ in reg_process_pending_hints()
3018 if (lr && !lr->processed) { in reg_process_pending_hints()
3033 list_del_init(®_request->list); in reg_process_pending_hints()
3044 if (!list_empty(®_requests_list) && lr && lr->processed) in reg_process_pending_hints()
3049 /* Processes beacon hints -- this has nothing to do with country IEs */
3060 list_del_init(&pending_beacon->list); in reg_process_pending_beacon_hints()
3064 wiphy_update_new_beacon(&rdev->wiphy, pending_beacon); in reg_process_pending_beacon_hints()
3067 list_add_tail(&pending_beacon->list, ®_beacon_list); in reg_process_pending_beacon_hints()
3083 wiphy = &rdev->wiphy; in reg_process_self_managed_hints()
3086 regd = rdev->requested_regd; in reg_process_self_managed_hints()
3087 rdev->requested_regd = NULL; in reg_process_self_managed_hints()
3094 rcu_assign_pointer(wiphy->regd, regd); in reg_process_self_managed_hints()
3098 handle_band_custom(wiphy, wiphy->bands[band], regd); in reg_process_self_managed_hints()
3103 request.alpha2[0] = regd->alpha2[0]; in reg_process_self_managed_hints()
3104 request.alpha2[1] = regd->alpha2[1]; in reg_process_self_managed_hints()
3124 request->alpha2[0] = toupper(request->alpha2[0]); in queue_regulatory_request()
3125 request->alpha2[1] = toupper(request->alpha2[1]); in queue_regulatory_request()
3128 list_add_tail(&request->list, ®_requests_list); in queue_regulatory_request()
3135 * Core regulatory hint -- happens during cfg80211_init()
3144 return -ENOMEM; in regulatory_hint_core()
3146 request->alpha2[0] = alpha2[0]; in regulatory_hint_core()
3147 request->alpha2[1] = alpha2[1]; in regulatory_hint_core()
3148 request->initiator = NL80211_REGDOM_SET_BY_CORE; in regulatory_hint_core()
3149 request->wiphy_idx = WIPHY_IDX_INVALID; in regulatory_hint_core()
3163 return -EINVAL; in regulatory_hint_user()
3166 return -EINVAL; in regulatory_hint_user()
3170 return -ENOMEM; in regulatory_hint_user()
3172 request->wiphy_idx = WIPHY_IDX_INVALID; in regulatory_hint_user()
3173 request->alpha2[0] = alpha2[0]; in regulatory_hint_user()
3174 request->alpha2[1] = alpha2[1]; in regulatory_hint_user()
3175 request->initiator = NL80211_REGDOM_SET_BY_USER; in regulatory_hint_user()
3176 request->user_reg_hint_type = user_reg_hint_type; in regulatory_hint_user()
3236 return -EINVAL; in regulatory_hint()
3238 wiphy->regulatory_flags &= ~REGULATORY_CUSTOM_REG; in regulatory_hint()
3242 return -ENOMEM; in regulatory_hint()
3244 request->wiphy_idx = get_wiphy_idx(wiphy); in regulatory_hint()
3246 request->alpha2[0] = alpha2[0]; in regulatory_hint()
3247 request->alpha2[1] = alpha2[1]; in regulatory_hint()
3248 request->initiator = NL80211_REGDOM_SET_BY_DRIVER; in regulatory_hint()
3296 if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE && in regulatory_hint_country_ie()
3297 lr->wiphy_idx != WIPHY_IDX_INVALID) in regulatory_hint_country_ie()
3300 request->wiphy_idx = get_wiphy_idx(wiphy); in regulatory_hint_country_ie()
3301 request->alpha2[0] = alpha2[0]; in regulatory_hint_country_ie()
3302 request->alpha2[1] = alpha2[1]; in regulatory_hint_country_ie()
3303 request->initiator = NL80211_REGDOM_SET_BY_COUNTRY_IE; in regulatory_hint_country_ie()
3304 request->country_ie_env = env; in regulatory_hint_country_ie()
3364 sband = wiphy->bands[band]; in restore_custom_reg_settings()
3367 for (i = 0; i < sband->n_channels; i++) { in restore_custom_reg_settings()
3368 chan = &sband->channels[i]; in restore_custom_reg_settings()
3369 chan->flags = chan->orig_flags; in restore_custom_reg_settings()
3370 chan->max_antenna_gain = chan->orig_mag; in restore_custom_reg_settings()
3371 chan->max_power = chan->orig_mpwr; in restore_custom_reg_settings()
3372 chan->beacon_found = false; in restore_custom_reg_settings()
3379 * possibly stale country IE information and user regulatory
3381 * learned as we could have traveled outside to another country
3385 * - send a core regulatory hint
3386 * - send a user regulatory hint if applicable
3388 * Device drivers that send a regulatory hint for a specific country
3389 * keep their own regulatory domain on wiphy->regd so that does
3430 list_del(®_beacon->list); in restore_regulatory_settings()
3436 list_del(®_beacon->list); in restore_regulatory_settings()
3441 world_alpha2[0] = cfg80211_world_regdom->alpha2[0]; in restore_regulatory_settings()
3442 world_alpha2[1] = cfg80211_world_regdom->alpha2[1]; in restore_regulatory_settings()
3445 if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) in restore_regulatory_settings()
3447 if (rdev->wiphy.regulatory_flags & REGULATORY_CUSTOM_REG) in restore_regulatory_settings()
3448 restore_custom_reg_settings(&rdev->wiphy); in restore_regulatory_settings()
3467 list_del(&ureq->list); in restore_regulatory_settings()
3502 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { in is_wiphy_all_set_reg_flag()
3504 if (!(wdev->wiphy->regulatory_flags & flag)) { in is_wiphy_all_set_reg_flag()
3530 list_del(®_beacon->list); in regulatory_hint_disconnect()
3537 list_del(®_beacon->list); in regulatory_hint_disconnect()
3563 &pending_beacon->chan)) in pending_reg_beacon()
3575 if (beacon_chan->beacon_found || in regulatory_hint_found_beacon()
3576 beacon_chan->flags & IEEE80211_CHAN_RADAR || in regulatory_hint_found_beacon()
3577 (beacon_chan->band == NL80211_BAND_2GHZ && in regulatory_hint_found_beacon()
3578 !freq_is_chan_12_13_14(beacon_chan->center_freq))) in regulatory_hint_found_beacon()
3590 return -ENOMEM; in regulatory_hint_found_beacon()
3593 beacon_chan->center_freq, beacon_chan->freq_offset, in regulatory_hint_found_beacon()
3598 memcpy(®_beacon->chan, beacon_chan, in regulatory_hint_found_beacon()
3602 * Since we can be called from BH or and non-BH context in regulatory_hint_found_beacon()
3606 list_add_tail(®_beacon->list, ®_pending_beacons); in regulatory_hint_found_beacon()
3622 pr_debug(" (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp), (dfs_cac_time)\n"); in print_rd_rules()
3624 for (i = 0; i < rd->n_reg_rules; i++) { in print_rd_rules()
3625 reg_rule = &rd->reg_rules[i]; in print_rd_rules()
3626 freq_range = ®_rule->freq_range; in print_rd_rules()
3627 power_rule = ®_rule->power_rule; in print_rd_rules()
3629 if (reg_rule->flags & NL80211_RRF_AUTO_BW) in print_rd_rules()
3631 freq_range->max_bandwidth_khz, in print_rd_rules()
3635 freq_range->max_bandwidth_khz); in print_rd_rules()
3637 if (reg_rule->flags & NL80211_RRF_DFS) in print_rd_rules()
3639 reg_rule->dfs_cac_ms/1000); in print_rd_rules()
3648 if (power_rule->max_antenna_gain) in print_rd_rules()
3649 pr_debug(" (%d KHz - %d KHz @ %s), (%d mBi, %d mBm), (%s)\n", in print_rd_rules()
3650 freq_range->start_freq_khz, in print_rd_rules()
3651 freq_range->end_freq_khz, in print_rd_rules()
3653 power_rule->max_antenna_gain, in print_rd_rules()
3654 power_rule->max_eirp, in print_rd_rules()
3657 pr_debug(" (%d KHz - %d KHz @ %s), (N/A, %d mBm), (%s)\n", in print_rd_rules()
3658 freq_range->start_freq_khz, in print_rd_rules()
3659 freq_range->end_freq_khz, in print_rd_rules()
3661 power_rule->max_eirp, in print_rd_rules()
3684 if (is_intersected_alpha2(rd->alpha2)) { in print_regdomain()
3685 if (lr->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE) { in print_regdomain()
3687 rdev = cfg80211_rdev_by_wiphy_idx(lr->wiphy_idx); in print_regdomain()
3690 rdev->country_ie_alpha2[0], in print_regdomain()
3691 rdev->country_ie_alpha2[1]); in print_regdomain()
3696 } else if (is_world_regdom(rd->alpha2)) { in print_regdomain()
3699 if (is_unknown_alpha2(rd->alpha2)) in print_regdomain()
3700 pr_debug("Regulatory domain changed to driver built-in settings (unknown country)\n"); in print_regdomain()
3703 pr_debug("Regulatory domain changed to country: %c%c by Cell Station\n", in print_regdomain()
3704 rd->alpha2[0], rd->alpha2[1]); in print_regdomain()
3706 pr_debug("Regulatory domain changed to country: %c%c\n", in print_regdomain()
3707 rd->alpha2[0], rd->alpha2[1]); in print_regdomain()
3711 pr_debug(" DFS Master region: %s", reg_dfs_region_str(rd->dfs_region)); in print_regdomain()
3717 pr_debug("Regulatory domain: %c%c\n", rd->alpha2[0], rd->alpha2[1]); in print_regdomain_info()
3723 if (!is_world_regdom(rd->alpha2)) in reg_set_rd_core()
3724 return -EINVAL; in reg_set_rd_core()
3734 if (!regdom_changes(rd->alpha2)) in reg_set_rd_user()
3735 return -EALREADY; in reg_set_rd_user()
3739 rd->alpha2[0], rd->alpha2[1]); in reg_set_rd_user()
3741 return -EINVAL; in reg_set_rd_user()
3744 if (!user_request->intersect) { in reg_set_rd_user()
3751 return -EINVAL; in reg_set_rd_user()
3768 if (is_world_regdom(rd->alpha2)) in reg_set_rd_driver()
3769 return -EINVAL; in reg_set_rd_driver()
3771 if (!regdom_changes(rd->alpha2)) in reg_set_rd_driver()
3772 return -EALREADY; in reg_set_rd_driver()
3776 rd->alpha2[0], rd->alpha2[1]); in reg_set_rd_driver()
3778 return -EINVAL; in reg_set_rd_driver()
3781 request_wiphy = wiphy_idx_to_wiphy(driver_request->wiphy_idx); in reg_set_rd_driver()
3783 return -ENODEV; in reg_set_rd_driver()
3785 if (!driver_request->intersect) { in reg_set_rd_driver()
3786 if (request_wiphy->regd) in reg_set_rd_driver()
3787 return -EALREADY; in reg_set_rd_driver()
3793 rcu_assign_pointer(request_wiphy->regd, regd); in reg_set_rd_driver()
3800 return -EINVAL; in reg_set_rd_driver()
3808 rcu_assign_pointer(request_wiphy->regd, rd); in reg_set_rd_driver()
3823 if (!is_alpha2_set(rd->alpha2) && !is_an_alpha2(rd->alpha2) && in reg_set_rd_country_ie()
3824 !is_unknown_alpha2(rd->alpha2)) in reg_set_rd_country_ie()
3825 return -EINVAL; in reg_set_rd_country_ie()
3830 * and the pending request came in from a country IE in reg_set_rd_country_ie()
3835 rd->alpha2[0], rd->alpha2[1]); in reg_set_rd_country_ie()
3837 return -EINVAL; in reg_set_rd_country_ie()
3840 request_wiphy = wiphy_idx_to_wiphy(country_ie_request->wiphy_idx); in reg_set_rd_country_ie()
3842 return -ENODEV; in reg_set_rd_country_ie()
3844 if (country_ie_request->intersect) in reg_set_rd_country_ie()
3845 return -EINVAL; in reg_set_rd_country_ie()
3864 return -ENODATA; in set_regdom()
3866 if (!reg_is_valid_request(rd->alpha2)) { in set_regdom()
3868 return -EINVAL; in set_regdom()
3877 switch (lr->initiator) { in set_regdom()
3893 WARN(1, "invalid initiator %d\n", lr->initiator); in set_regdom()
3895 return -EINVAL; in set_regdom()
3900 case -EALREADY: in set_regdom()
3913 if (WARN_ON(!lr->intersect && rd != get_cfg80211_regdom())) in set_regdom()
3914 return -EINVAL; in set_regdom()
3917 update_all_wiphy_regulatory(lr->initiator); in set_regdom()
3936 return -EINVAL; in __regulatory_set_wiphy_regd()
3938 if (WARN(!(wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED), in __regulatory_set_wiphy_regd()
3940 return -EPERM; in __regulatory_set_wiphy_regd()
3944 return -EINVAL; in __regulatory_set_wiphy_regd()
3954 prev_regd = rdev->requested_regd; in __regulatory_set_wiphy_regd()
3955 rdev->requested_regd = regd; in __regulatory_set_wiphy_regd()
3996 /* self-managed devices ignore beacon hints and country IE */ in wiphy_regulatory_register()
3997 if (wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED) { in wiphy_regulatory_register()
3998 wiphy->regulatory_flags |= REGULATORY_DISABLE_BEACON_HINTS | in wiphy_regulatory_register()
4006 if (lr->initiator == NL80211_REGDOM_SET_BY_USER) in wiphy_regulatory_register()
4013 wiphy_update_regulatory(wiphy, lr->initiator); in wiphy_regulatory_register()
4026 reg_num_devs_support_basehint--; in wiphy_regulatory_deregister()
4029 RCU_INIT_POINTER(wiphy->regd, NULL); in wiphy_regulatory_deregister()
4032 request_wiphy = wiphy_idx_to_wiphy(lr->wiphy_idx); in wiphy_regulatory_deregister()
4037 lr->wiphy_idx = WIPHY_IDX_INVALID; in wiphy_regulatory_deregister()
4038 lr->country_ie_env = ENVIRON_ANY; in wiphy_regulatory_deregister()
4043 * 5GHz: https://www.fcc.gov/document/5-ghz-unlicensed-spectrum-unii
4044 * 6GHz: https://www.fcc.gov/document/fcc-proposes-more-spectrum-unlicensed-use-0
4048 /* UNII-1 */ in cfg80211_get_unii()
4052 /* UNII-2A */ in cfg80211_get_unii()
4056 /* UNII-2B */ in cfg80211_get_unii()
4060 /* UNII-2C */ in cfg80211_get_unii()
4064 /* UNII-3 */ in cfg80211_get_unii()
4068 /* UNII-5 */ in cfg80211_get_unii()
4072 /* UNII-6 */ in cfg80211_get_unii()
4076 /* UNII-7 */ in cfg80211_get_unii()
4080 /* UNII-8 */ in cfg80211_get_unii()
4084 return -EINVAL; in cfg80211_get_unii()
4101 wiphy_regd = rcu_dereference(wiphy->regd); in regulatory_pre_cac_allowed()
4103 if (regd->dfs_region == NL80211_DFS_ETSI) in regulatory_pre_cac_allowed()
4111 if (regd->dfs_region == wiphy_regd->dfs_region && in regulatory_pre_cac_allowed()
4112 wiphy_regd->dfs_region == NL80211_DFS_ETSI) in regulatory_pre_cac_allowed()
4127 * either all channels are available - those the CAC_FINISHED in cfg80211_check_and_end_cac()
4129 * in unavailable state in wdev chandef - those the RADAR_DETECTED in cfg80211_check_and_end_cac()
4133 list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { in cfg80211_check_and_end_cac()
4134 if (wdev->cac_started && in cfg80211_check_and_end_cac()
4135 !cfg80211_chandef_dfs_usable(&rdev->wiphy, &wdev->chandef)) in cfg80211_check_and_end_cac()
4136 rdev_end_cac(rdev, wdev->netdev); in cfg80211_check_and_end_cac()
4153 if (wiphy == &rdev->wiphy) in regulatory_propagate_dfs_state()
4156 if (!reg_dfs_domain_same(wiphy, &rdev->wiphy)) in regulatory_propagate_dfs_state()
4159 if (!ieee80211_get_channel(&rdev->wiphy, in regulatory_propagate_dfs_state()
4160 chandef->chan->center_freq)) in regulatory_propagate_dfs_state()
4163 cfg80211_set_dfs_state(&rdev->wiphy, chandef, dfs_state); in regulatory_propagate_dfs_state()
4180 * It's possible that - due to other bugs/issues - cfg80211 in regulatory_init_db()
4186 return -EINVAL; in regulatory_init_db()
4195 err = regulatory_hint_core(cfg80211_world_regdom->alpha2); in regulatory_init_db()
4197 if (err == -ENOMEM) { in regulatory_init_db()
4206 * errors as non-fatal. in regulatory_init_db()
4261 dev_set_uevent_suppress(®_pdev->dev, true); in regulatory_exit()
4266 list_del(®_beacon->list); in regulatory_exit()
4271 list_del(®_beacon->list); in regulatory_exit()
4276 list_del(®_request->list); in regulatory_exit()