92  * packets at bit-rates other than the current one to estimate when
96  * SampleRate reduces the number of bit-rates it must sample by
120  * This only matters for lower rates that can't fill a full 64k A-MPDU.
125  * When selecting a set of rates the rate control code will iterate
204 	 * rates 2 and 3 in the tx schedule are ignored.  This is important  in ath_rate_sample_find_min_pktlength()
207 	 * higher rates kinda needs a lower MCS rate in there somewhere.  in ath_rate_sample_find_min_pktlength()
356 		 * Don't consider best rates that we haven't seen  in pick_best_rate()
383 		 * For non-MCS rates, use the current average txtime for  in pick_best_rate()
395 		 * Since 2 and 3 stream rates have slightly higher TX times,  in pick_best_rate()
446 		 * non-MCS rates when speaking to an MCS node.  in pick_sample_rate()
447 		 * However, at least for CCK rates in 2.4GHz mode,  in pick_sample_rate()
448 		 * the non-MCS rates MAY actually provide better  in pick_sample_rate()
457 		 * the selected rates are non-MCS.  in pick_sample_rate()
474 		/* rarely sample bit-rates that fail a lot */  in pick_sample_rate()
482 		 * For HT, only sample a few rates on either side of the  in pick_sample_rate()
489 		 * rates if we're stuck low, and we'll make weird moves  in pick_sample_rate()
505 		/* Don't sample more than 2 rates higher for rates > 11M for non-HT rates */  in pick_sample_rate()
530 	/* Check MCS rates */  in ath_rate_get_static_rix()
536 	/* Check legacy rates */  in ath_rate_get_static_rix()
588 		/* Skip HT rates */  in ath_rate_pick_seed_rate_legacy()
610  * Don't use any non-HT rates; only consider HT rates.
626 		/* Skip rates we can't use */  in ath_rate_pick_seed_rate_ht()
634 		/* Skip non-HT rates */  in ath_rate_pick_seed_rate_ht()
641 		 * Higher rates may fail; we'll try them later.  in ath_rate_pick_seed_rate_ht()
650 	 * If all the MCS rates have successive failures, rix should be  in ath_rate_pick_seed_rate_ht()
724 	 * and size_bin if we're doing 11n rates.  in ath_rate_findrate()
746 	 * rates to sample_rate% of the total transmission time.  in ath_rate_findrate()
899  * Get the TX rates. Don't fiddle with short preamble flags for them;
1157 		    "%s: size %d %s rate/try %d/%d no rates yet",   in ath_rate_tx_complete()
1198 		 * Process intermediate rates that failed.  in ath_rate_tx_complete()
1325 	 * Construct a bitmask of usable rates.  This has all  in ath_rate_ctl_reset()
1326 	 * negotiated rates minus those marked by the hal as  in ath_rate_ctl_reset()
1330 	/* MCS rates */  in ath_rate_ctl_reset()
1336 			/* skip rates marked broken by hal */  in ath_rate_ctl_reset()
1345 	/* Legacy rates */  in ath_rate_ctl_reset()
1350 		/* skip rates marked broken by hal */  in ath_rate_ctl_reset()
1407 	    "%s: %d rates %d%sMbps (%dus)- %d%sMbps (%dus)", __func__,   in ath_rate_ctl_reset()
1432  * to 802.11 rates, or the userland output won't make much sense
1637 	    "sample: percent air time devoted to sampling new rates (%%)");  in ath_rate_sysctlattach()
1655 	ssc->sample_rate = 10;			/* %time to try diff tx rates */  in ath_rate_attach()