2  * Copyright (c) 2008-2009 Atheros Communications Inc.
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
36 #define ATH_2GHZ_CH01_11	REG_RULE(2412-10, 2462+10, 40, 0, 20, 0)
39 #define ATH_2GHZ_CH12_13	REG_RULE(2467-10, 2472+10, 40, 0, 20,\
41 #define ATH_2GHZ_CH14		REG_RULE(2484-10, 2484+10, 40, 0, 20,\
46 #define ATH_5GHZ_5150_5350	REG_RULE(5150-10, 5350+10, 80, 0, 30,\
48 #define ATH_5GHZ_5470_5850	REG_RULE(5470-10, 5850+10, 80, 0, 30,\
50 #define ATH_5GHZ_5725_5850	REG_RULE(5725-10, 5850+10, 80, 0, 30,\
122 	switch (reg->country_code) {  in dynamic_country_user_possible()
207 	return reg->current_rd & ~WORLDWIDE_ROAMING_FLAG;  in ath_regd_get_eepromRD()
225 	switch (reg->regpair->reg_domain) {  in ath_world_regdomain()
261 	if (reg->country_code == CTRY_INDIA)  in ath_is_radar_freq()
271 	reg_rule = freq_reg_info(wiphy, MHZ_TO_KHZ(ch->center_freq));  in ath_force_clear_no_ir_chan()
275 	if (!(reg_rule->flags & NL80211_RRF_NO_IR))  in ath_force_clear_no_ir_chan()
276 		if (ch->flags & IEEE80211_CHAN_NO_IR)  in ath_force_clear_no_ir_chan()
277 			ch->flags &= ~IEEE80211_CHAN_NO_IR;  in ath_force_clear_no_ir_chan()
293 	ch->flags |= IEEE80211_CHAN_NO_IR;  in ath_force_no_ir_chan()
313 	if (ath_is_radar_freq(ch->center_freq, reg) ||  in __ath_reg_apply_beaconing_flags()
314 	    (ch->flags & IEEE80211_CHAN_RADAR))  in __ath_reg_apply_beaconing_flags()
326 		if (ch->beacon_found)  in __ath_reg_apply_beaconing_flags()
327 			ch->flags &= ~IEEE80211_CHAN_NO_IR;  in __ath_reg_apply_beaconing_flags()
334  * - We enable initiating radiation if the country IE says its fine:
335  * - If no country IE has been processed and a we determine we have
349 		if (!wiphy->bands[band])  in ath_reg_apply_beaconing_flags()
351 		sband = wiphy->bands[band];  in ath_reg_apply_beaconing_flags()
352 		for (i = 0; i < sband->n_channels; i++) {  in ath_reg_apply_beaconing_flags()
353 			ch = &sband->channels[i];  in ath_reg_apply_beaconing_flags()
363  * @reg: regulatory structure - used for country selection
366  * If no country IE has been received always enable passive scan
367  * and no-ibss on these channels. This is only done for specific
382 	sband = wiphy->bands[NL80211_BAND_2GHZ];  in ath_reg_apply_ir_flags()
403 /* Always apply Radar/DFS rules on freq range 5500 MHz - 5700 MHz */
411 	if (!wiphy->bands[NL80211_BAND_5GHZ])  in ath_reg_apply_radar_flags()
414 	sband = wiphy->bands[NL80211_BAND_5GHZ];  in ath_reg_apply_radar_flags()
416 	for (i = 0; i < sband->n_channels; i++) {  in ath_reg_apply_radar_flags()
417 		ch = &sband->channels[i];  in ath_reg_apply_radar_flags()
418 		if (!ath_is_radar_freq(ch->center_freq, reg))  in ath_reg_apply_radar_flags()
423 		 * - If STA mode does not yet have DFS supports disable  in ath_reg_apply_radar_flags()
425 		 * - If adhoc mode does not support DFS yet then  in ath_reg_apply_radar_flags()
427 		 * - If AP mode does not yet support radar detection/DFS  in ath_reg_apply_radar_flags()
430 		if (!(ch->flags & IEEE80211_CHAN_DISABLED))  in ath_reg_apply_radar_flags()
431 			ch->flags |= IEEE80211_CHAN_RADAR |  in ath_reg_apply_radar_flags()
440 	switch (reg->regpair->reg_domain) {  in ath_reg_apply_world_flags()
467 	return -1;  in ath_regd_find_country_by_name()
477 	if (request->initiator == NL80211_REGDOM_SET_BY_COUNTRY_IE &&  in __ath_reg_dyn_country()
479 		return -EINVAL;  in __ath_reg_dyn_country()
481 	country_code = ath_regd_find_country_by_name(request->alpha2);  in __ath_reg_dyn_country()
482 	if (country_code == (u16) -1)  in __ath_reg_dyn_country()
483 		return -EINVAL;  in __ath_reg_dyn_country()
485 	reg->current_rd = COUNTRY_ERD_FLAG;  in __ath_reg_dyn_country()
486 	reg->current_rd |= country_code;  in __ath_reg_dyn_country()
490 	ath_reg_apply_world_flags(wiphy, request->initiator, reg);  in __ath_reg_dyn_country()
504 	       reg->current_rd,  in ath_reg_dyn_country()
505 	       reg_initiator_name(request->initiator));  in ath_reg_dyn_country()
525 	reg->region = request->dfs_region;  in ath_reg_notifier_apply()
526 	switch (request->initiator) {  in ath_reg_notifier_apply()
529 		 * If common->reg_world_copy is world roaming it means we *were*  in ath_reg_notifier_apply()
532 		if (!ath_is_world_regd(&common->reg_world_copy))  in ath_reg_notifier_apply()
535 		memcpy(reg, &common->reg_world_copy,  in ath_reg_notifier_apply()
557 		/* EEPROM value is a country code */  in ath_regd_is_eeprom_valid()
560 		       "ath: EEPROM indicates we should expect "  in ath_regd_is_eeprom_valid()
566 		/* EEPROM value is a regpair value */  in ath_regd_is_eeprom_valid()
568 			printk(KERN_DEBUG "ath: EEPROM indicates we "  in ath_regd_is_eeprom_valid()
579 /* EEPROM country code to regpair mapping */
592 /* EEPROM rd code to regpair mapping */
605 /* Returns the map of the EEPROM set RD to a country code */
642 	wiphy->reg_notifier = reg_notifier;  in ath_regd_init_wiphy()
643 	wiphy->regulatory_flags |= REGULATORY_STRICT_REG |  in ath_regd_init_wiphy()
652 		wiphy->regulatory_flags |= REGULATORY_COUNTRY_IE_FOLLOW_POWER;  in ath_regd_init_wiphy()
669  * Some users have reported their EEPROM programmed with
677 	if (reg->current_rd != COUNTRY_ERD_FLAG)  in ath_regd_sanitize()
679 	printk(KERN_DEBUG "ath: EEPROM regdomain sanitized\n");  in ath_regd_sanitize()
680 	reg->current_rd = 0x64;  in ath_regd_sanitize()
689 		return -EINVAL;  in __ath_regd_init()
693 	printk(KERN_DEBUG "ath: EEPROM regdomain: 0x%0x\n", reg->current_rd);  in __ath_regd_init()
696 		pr_err("Invalid EEPROM contents\n");  in __ath_regd_init()
697 		return -EINVAL;  in __ath_regd_init()
701 	reg->country_code = ath_regd_get_default_country(regdmn);  in __ath_regd_init()
703 	if (reg->country_code == CTRY_DEFAULT &&  in __ath_regd_init()
705 		printk(KERN_DEBUG "ath: EEPROM indicates default "  in __ath_regd_init()
707 		reg->country_code = CTRY_UNITED_STATES;  in __ath_regd_init()
710 	if (reg->country_code == CTRY_DEFAULT) {  in __ath_regd_init()
713 		printk(KERN_DEBUG "ath: doing EEPROM country->regdmn "  in __ath_regd_init()
715 		country = ath_regd_find_country(reg->country_code);  in __ath_regd_init()
718 				"ath: no valid country maps found for "  in __ath_regd_init()
720 				reg->country_code);  in __ath_regd_init()
721 			return -EINVAL;  in __ath_regd_init()
723 			regdmn = country->regDmnEnum;  in __ath_regd_init()
730 	reg->regpair = ath_get_regpair(regdmn);  in __ath_regd_init()
732 	if (!reg->regpair) {  in __ath_regd_init()
734 			"No regulatory domain pair found, cannot continue\n");  in __ath_regd_init()
735 		return -EINVAL;  in __ath_regd_init()
742 		reg->alpha2[0] = country->isoName[0];  in __ath_regd_init()
743 		reg->alpha2[1] = country->isoName[1];  in __ath_regd_init()
745 		reg->alpha2[0] = '0';  in __ath_regd_init()
746 		reg->alpha2[1] = '0';  in __ath_regd_init()
750 		reg->alpha2[0], reg->alpha2[1]);  in __ath_regd_init()
752 		reg->regpair->reg_domain);  in __ath_regd_init()
772 		memcpy(&common->reg_world_copy, reg,  in ath_regd_init()
784 	if (!reg->regpair ||  in ath_regd_get_band_ctl()
785 	    (reg->country_code == CTRY_DEFAULT &&  in ath_regd_get_band_ctl()
791 		switch (reg->region) {  in ath_regd_get_band_ctl()
805 		return reg->regpair->reg_2ghz_ctl;  in ath_regd_get_band_ctl()
807 		return reg->regpair->reg_5ghz_ctl;  in ath_regd_get_band_ctl()