2  * Copyright (c) 2008-2011 Atheros Communications Inc.
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
26 	tsf += TU_TO_USEC(FUDGE + ah->config.sw_beacon_response_time);  in ath9k_get_next_tbtt()
30 	return (u32) tsf + divisor - offset;  in ath9k_get_next_tbtt()
36  * handling, programs the sleep registers so the hardware will wakeup in
50 	if (!test_bit(ATH_OP_PRIM_STA_VIF, &common->op_flags)) {  in ath9k_cmn_beacon_config_sta()
53 		return -EPERM;  in ath9k_cmn_beacon_config_sta()
57 	conf->intval = conf->beacon_interval;  in ath9k_cmn_beacon_config_sta()
63 	dtim_intval = conf->intval * conf->dtim_period;  in ath9k_cmn_beacon_config_sta()
70 	conf->nexttbtt = ath9k_get_next_tbtt(ah, tsf, conf->intval);  in ath9k_cmn_beacon_config_sta()
72 	bs->bs_intval = TU_TO_USEC(conf->intval);  in ath9k_cmn_beacon_config_sta()
73 	bs->bs_dtimperiod = conf->dtim_period * bs->bs_intval;  in ath9k_cmn_beacon_config_sta()
74 	bs->bs_nexttbtt = conf->nexttbtt;  in ath9k_cmn_beacon_config_sta()
75 	bs->bs_nextdtim = conf->nexttbtt;  in ath9k_cmn_beacon_config_sta()
76 	if (conf->dtim_period > 1)  in ath9k_cmn_beacon_config_sta()
77 		bs->bs_nextdtim = ath9k_get_next_tbtt(ah, tsf, dtim_intval);  in ath9k_cmn_beacon_config_sta()
85 	bs->bs_bmissthreshold = DIV_ROUND_UP(conf->bmiss_timeout, conf->intval);  in ath9k_cmn_beacon_config_sta()
86 	if (bs->bs_bmissthreshold > 15)  in ath9k_cmn_beacon_config_sta()
87 		bs->bs_bmissthreshold = 15;  in ath9k_cmn_beacon_config_sta()
88 	else if (bs->bs_bmissthreshold <= 0)  in ath9k_cmn_beacon_config_sta()
89 		bs->bs_bmissthreshold = 1;  in ath9k_cmn_beacon_config_sta()
100 	bs->bs_sleepduration = TU_TO_USEC(roundup(IEEE80211_MS_TO_TU(100),  in ath9k_cmn_beacon_config_sta()
101 						  conf->intval));  in ath9k_cmn_beacon_config_sta()
102 	if (bs->bs_sleepduration > bs->bs_dtimperiod)  in ath9k_cmn_beacon_config_sta()
103 		bs->bs_sleepduration = bs->bs_dtimperiod;  in ath9k_cmn_beacon_config_sta()
106 	bs->bs_tsfoor_threshold = ATH9K_TSFOOR_THRESHOLD;  in ath9k_cmn_beacon_config_sta()
109 		bs->bs_bmissthreshold, bs->bs_sleepduration);  in ath9k_cmn_beacon_config_sta()
119 	conf->intval = TU_TO_USEC(conf->beacon_interval);  in ath9k_cmn_beacon_config_adhoc()
121 	if (conf->ibss_creator)  in ath9k_cmn_beacon_config_adhoc()
122 		conf->nexttbtt = conf->intval;  in ath9k_cmn_beacon_config_adhoc()
124 		conf->nexttbtt = ath9k_get_next_tbtt(ah, ath9k_hw_gettsf64(ah),  in ath9k_cmn_beacon_config_adhoc()
125 					       conf->beacon_interval);  in ath9k_cmn_beacon_config_adhoc()
127 	if (conf->enable_beacon)  in ath9k_cmn_beacon_config_adhoc()
128 		ah->imask |= ATH9K_INT_SWBA;  in ath9k_cmn_beacon_config_adhoc()
130 		ah->imask &= ~ATH9K_INT_SWBA;  in ath9k_cmn_beacon_config_adhoc()
134 		(conf->enable_beacon) ? "Enable" : "Disable",  in ath9k_cmn_beacon_config_adhoc()
135 		conf->nexttbtt, conf->intval, conf->beacon_interval);  in ath9k_cmn_beacon_config_adhoc()
140  * For multi-bss ap support beacons are either staggered evenly over N slots or
151 	conf->intval = TU_TO_USEC(conf->beacon_interval);  in ath9k_cmn_beacon_config_ap()
152 	conf->intval /= bc_buf;  in ath9k_cmn_beacon_config_ap()
153 	conf->nexttbtt = ath9k_get_next_tbtt(ah, ath9k_hw_gettsf64(ah),  in ath9k_cmn_beacon_config_ap()
154 				       conf->beacon_interval);  in ath9k_cmn_beacon_config_ap()
156 	if (conf->enable_beacon)  in ath9k_cmn_beacon_config_ap()
157 		ah->imask |= ATH9K_INT_SWBA;  in ath9k_cmn_beacon_config_ap()
159 		ah->imask &= ~ATH9K_INT_SWBA;  in ath9k_cmn_beacon_config_ap()
163 		(conf->enable_beacon) ? "Enable" : "Disable",  in ath9k_cmn_beacon_config_ap()
164 		conf->nexttbtt, conf->intval, conf->beacon_interval);  in ath9k_cmn_beacon_config_ap()