net80211/wlantxtime/wlantxtime.c

55 		uint32_t	rateKbps;	/* transfer rate in kbs */
57 						 * preamble in CCK rate code */
61 						 * rate; used for dur. calcs */
69 	uint32_t frameLen, uint16_t rate, int isShortPreamble);
220  * Setup a rate table's reverse lookup table and fill in
247 			 * Map w/o basic rate bit too.
254 		 * XXX for 11g the control rate to use for 5.5 and 11 Mb/s
257 		 *     2Mb/s rate which will work but is suboptimal
259 		 * NB: Control rate is always less than or equal to the
260 		 *     current rate, so control rate's reverse lookup entry
273 /* Setup all rate tables */
330  * using the specified rate, phy, and short preamble setting.
335 	uint32_t frameLen, uint16_t rate, int isShortPreamble)
337 	uint8_t rix = rt->rateCodeToIndex[rate];
341 	KASSERT(rix != (uint8_t)-1, ("rate %d has no info", rate));
357 		KASSERT(bitsPerSymbol != 0, ("full rate bps"));
367 		KASSERT(bitsPerSymbol != 0, ("1/4 rate bps"));
377 		KASSERT(bitsPerSymbol != 0, ("1/2 rate bps"));
396 		panic("%s: unknown phy %u (rate %u)\n", __func__,
397 		      rt->info[rix].phy, rate);
405 	uint32_t frameLen, uint16_t rate,
418 	KASSERT(rate & IEEE80211_RATE_MCS, ("not mcs %d", rate));
419 	KASSERT((rate &~ IEEE80211_RATE_MCS) < 16, ("bad mcs 0x%x", rate));
422 		bitsPerSymbol = ht40_bps[rate & 0xf];
424 		bitsPerSymbol = ht20_bps[rate & 0xf];
463 srate(int rate)
466 	if (rate & 1)
467 		snprintf(buf, sizeof(buf), "%u.5", rate/2);
469 		snprintf(buf, sizeof(buf), "%u", rate/2);
485 				    "rate %s, ignored",
496 	fprintf(stderr, "usage: %s [-a] [-l framelen] [-m mode] [-r rate] [-s]\n",
508 	fprintf(stderr, "-r rate        IEEE rate code (default 54)\n");
519 	uint16_t rate;
534 	rate = 2*54;
549 			rate = (int) 2*frate;
563 		rix = rt->rateCodeToIndex[rate];
565 			errx(-1, "rate %s not valid for mode %s", srate(rate), mode);
568 		time = ieee80211_compute_duration(rt, frameLen, rate, isShort);
570 		    time, frameLen, srate(rate),
574 			rate = rt->info[rix].dot11Rate &~ IEEE80211_RATE_BASIC;
576 			time = ieee80211_compute_duration(rt, frameLen, rate,
579 			    time, frameLen, srate(rate),