1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
17  * 3. Neither the names of the above-listed copyright holders nor the names
45 /* per-device state */
53 	int	min_switch;		/* min time between rate changes */
54 	int	min_good_pct;		/* min good percentage for a rate to be considered */
56 #define	ATH_SOFTC_SAMPLE(sc)	((struct sample_softc *)sc->sc_rc)
70 	uint8_t	t0, r0;		/* series 0: tries, rate code */
71 	uint8_t	t1, r1;		/* series 1: tries, rate code */
72 	uint8_t	t2, r2;		/* series 2: tries, rate code */
73 	uint8_t	t3, r3;		/* series 3: tries, rate code */
89 /* per-node state */
91 	int static_rix;			/* rate index of fixed tx rate */
93 	uint64_t ratemask;		/* bit mask of valid rate indices */
115 #define	IS_RATE_DEFINED(sn, rix)	(((uint64_t) (sn)->ratemask & (1ULL<<((uint64_t) rix))) != 0)
135 	const HAL_RATE_TABLE *rt = sc->sc_currates;  in calc_usecs_unicast_packet()
136 	struct ieee80211com *ic = &sc->sc_ic;  in calc_usecs_unicast_packet()
147 	KASSERT(rt != NULL, ("no rate table, mode %u", sc->sc_curmode));  in calc_usecs_unicast_packet()
149 	if (rix >= rt->rateCount) {  in calc_usecs_unicast_packet()
151 		       rix, rt->rateCount, sc->sc_curmode);  in calc_usecs_unicast_packet()
154 	cix = rt->info[rix].controlRate;  in calc_usecs_unicast_packet()
156 	 * XXX getting mac/phy level timings should be fixed for turbo  in calc_usecs_unicast_packet()
160 	switch (rt->info[rix].phy) {  in calc_usecs_unicast_packet()
187 	if ((ic->ic_flags & IEEE80211_F_USEPROT) &&  in calc_usecs_unicast_packet()
188 	    rt->info[rix].phy == IEEE80211_T_OFDM) {  in calc_usecs_unicast_packet()
189 		if (ic->ic_protmode == IEEE80211_PROT_RTSCTS)  in calc_usecs_unicast_packet()
191 		else if (ic->ic_protmode == IEEE80211_PROT_CTSONLY)  in calc_usecs_unicast_packet()
194 		cix = rt->info[sc->sc_protrix].controlRate;  in calc_usecs_unicast_packet()
197 	if (0 /*length > ic->ic_rtsthreshold */) {  in calc_usecs_unicast_packet()
206 		KASSERT(cix < rt->rateCount,  in calc_usecs_unicast_packet()
207 		    ("bogus cix %d, max %u, mode %u\n", cix, rt->rateCount,  in calc_usecs_unicast_packet()
208 		     sc->sc_curmode));  in calc_usecs_unicast_packet()
210 		ctsrate = rt->info[cix].rateCode | rt->info[cix].shortPreamble;  in calc_usecs_unicast_packet()
212 			ctsduration += rt->info[cix].spAckDuration;  in calc_usecs_unicast_packet()
215 		ctsduration += ath_hal_pkt_txtime(sc->sc_ah, rt, length, rix,  in calc_usecs_unicast_packet()
219 			ctsduration += rt->info[cix].spAckDuration;  in calc_usecs_unicast_packet()
226 	tt += (long_retries+1)*ath_hal_pkt_txtime(sc->sc_ah, rt, length, rix,  in calc_usecs_unicast_packet()
229 	tt += (long_retries+1)*(t_sifs + rt->info[rix].spAckDuration);  in calc_usecs_unicast_packet()