ath/ath9k/dynack.c

28  * @ah: ath hw
31 static u32 ath_dynack_get_max_to(struct ath_hw *ah)
33 	const struct ath9k_channel *chan = ah->curchan;
61  * @ah: ath hw
65 static inline u32 ath_dynack_get_sifs(struct ath_hw *ah, int phy)
70 		if (IS_CHAN_QUARTER_RATE(ah->curchan))
72 		else if (IS_CHAN_HALF_RATE(ah->curchan))
82  * @ah: ath hw
85 static inline bool ath_dynack_bssidmask(struct ath_hw *ah, const u8 *mac)
88 	struct ath_common *common = ath9k_hw_common(ah);
101  * @ah: ath hw
105 static void ath_dynack_set_timeout(struct ath_hw *ah, int to)
107 	struct ath_common *common = ath9k_hw_common(ah);
112 	ath9k_hw_setslottime(ah, slottime);
113 	ath9k_hw_set_ack_timeout(ah, to);
114 	ath9k_hw_set_cts_timeout(ah, to);
119  * @ah: ath hw
123 static void ath_dynack_compute_ackto(struct ath_hw *ah)
125 	struct ath_dynack *da = &ah->dynack;
134 		ath_dynack_set_timeout(ah, to);
141  * @ah: ath hw
145 static void ath_dynack_compute_to(struct ath_hw *ah)
147 	struct ath_dynack *da = &ah->dynack;
156 	max_to = ath_dynack_get_max_to(ah);
164 		ath_dbg(ath9k_hw_common(ah), DYNACK,
173 				sta = ieee80211_find_sta_by_ifaddr(ah->hw, dst,
179 					ath_dbg(ath9k_hw_common(ah), DYNACK,
183 						ath_dynack_compute_ackto(ah);
200  * @ah: ath hw
206 void ath_dynack_sample_tx_ts(struct ath_hw *ah, struct sk_buff *skb,
211 	struct ath_dynack *da = &ah->dynack;
212 	struct ath_common *common = ath9k_hw_common(ah);
229 			u32 max_to = ath_dynack_get_max_to(ah);
232 			ath_dynack_set_timeout(ah, max_to);
268 		dur -= ath_dynack_get_sifs(ah, phy);
280 	ath_dynack_compute_to(ah);
288  * @ah: ath hw
293 void ath_dynack_sample_ack_ts(struct ath_hw *ah, struct sk_buff *skb,
296 	struct ath_dynack *da = &ah->dynack;
297 	struct ath_common *common = ath9k_hw_common(ah);
300 	if (!da->enabled || !ath_dynack_bssidmask(ah, hdr->addr1))
313 	ath_dynack_compute_to(ah);
321  * @ah: ath hw
325 void ath_dynack_node_init(struct ath_hw *ah, struct ath_node *an)
327 	struct ath_dynack *da = &ah->dynack;
339  * @ah: ath hw
343 void ath_dynack_node_deinit(struct ath_hw *ah, struct ath_node *an)
345 	struct ath_dynack *da = &ah->dynack;
355  * @ah: ath hw
358 void ath_dynack_reset(struct ath_hw *ah)
360 	struct ath_dynack *da = &ah->dynack;
372 	da->ackto = ath_dynack_get_max_to(ah);
377 	ath_dynack_set_timeout(ah, da->ackto);
385  * @ah: ath hw
388 void ath_dynack_init(struct ath_hw *ah)
390 	struct ath_dynack *da = &ah->dynack;
399 	ah->hw->wiphy->features |= NL80211_FEATURE_ACKTO_ESTIMATION;