dev/ath/if_ath_tx_ht.c

212  * Fill in the rate array information based on the current
213  * node configuration and the choices made by the rate
217  * rate control code, but for now it can live here.
231 	uint8_t rate;
237 	 * We only do LDPC if the rate is 11n, both we and the
241 	 * it if any of the rate entries aren't 11n.
262 		rate = rt->info[rc[i].rix].rateCode;
267 		if ((! IS_HT_RATE(rate)) && bf->bf_state.bfs_shpream)
268 			rate |= rt->info[rc[i].rix].shortPreamble;
273 		rc[i].ratecode = rate;
282 		if (! IS_HT_RATE(rate))
286 		if (IS_HT_RATE(rate)) {
327 			    (HT_RC_2_STREAMS(rate) == 1) &&
334 			 * Dual / Triple stream rate?
336 			if (HT_RC_2_STREAMS(rate) == 2)
338 			else if (HT_RC_2_STREAMS(rate) == 3)
350 		 * on the MCS rate, SGI and channel width flags.
353 		    (HT_RC_2_MCS(rate) < 32)) {
367 			    ath_max_4ms_framelen[j][HT_RC_2_MCS(rate)];
371 		    "%s: i=%d, rate=0x%x, flags=0x%x, max4ms=%d\n",
372 		    __func__, i, rate, rc[i].flags, rc[i].max4msframelen);
392  * Caller should make sure that the rate is HT.
398  * TODO: this should ensure that the rate control information
399  * HAS been setup for the first rate.
450 	 * per-rate, but for now we'll simply assume encryption is
485 	 * into a byte length, based on the rate in the subframe.
492 	 * on highest rate in rate series (i.e. first rate) to determine
494 	 * whether high rate is 20 or 40Mhz and half or full GI.
559  * It's the lowest of the four rate series 4ms frame length.
606  * Setup a 11n rate series structure
610  * This uses the rate series stuf from ath_tx_rate_fill_rcflags().
662 		 * Setup rate and TX power cap for this series.
675 		 * 11n rate? Update 11n flags.
691 		 * legacy rate, then we should complain.  Loudly.
722 		device_printf(sc->sc_dev ,"series %d: rate %x; tries %d; "
736  * Setup the 11n rate scenario and burst duration for the given TX descriptor
740  * wrt what's passed into the rate scenario function.
753 	/* Setup rate scenario */
763 	/* Set rate scenario */
770 	    ctsrate,	/* rts/cts rate */
771 	    series,	/* 11n rate series */
802  * The rate series, descriptor setup, linking, etc is all done
806  * rate control.
862 			 * rate control decision that has been made.
891 		 * if any active rate is non-HT.