usb/wlan/if_rum.c

762 		/* enable automatic rate adaptation */
825 				tap->wt_rate = data->rate;
938 			tap->wr_rate = ieee80211_plcp2rate(sc->sc_rx_desc.rate,
985 rum_plcp_signal(int rate)
987 	switch (rate) {
1004 	return 0xff;		/* XXX unsupported/unknown rate */
1009     uint32_t flags, uint16_t xflags, int len, int rate)
1026 	desc->plcp_signal  = rum_plcp_signal(rate);
1030 	if (ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM) {
1037 		if (rate == 0)
1038 			rate = 2;	/* avoid division by zero */
1039 		plcp_length = (16 * len + rate - 1) / rate;
1040 		if (rate == 22) {
1048 		if (rate != 2 && (ic->ic_flags & IEEE80211_F_SHPREAMBLE))
1055     const struct mbuf *m, struct ieee80211_node *ni, int prot, int rate)
1071 	protrate = ieee80211_ctl_rate(ic->ic_rt, rate);
1072 	ackrate = ieee80211_ack_rate(ic->ic_rt, rate);
1075 	dur = ieee80211_compute_duration(ic->ic_rt, pktlen, rate, isshort)
1076 	    + ieee80211_ack_duration(ic->ic_rt, rate, isshort);
1080 		dur += ieee80211_ack_duration(ic->ic_rt, rate, isshort);
1096 	data->rate = protrate;
1152 	data->rate = tp->mgmtrate;
1156 	DPRINTFN(10, "sending mgt frame len=%d rate=%d\n",
1172 	int rate, error;
1177 	rate = params->ibp_rate0;
1178 	if (!ieee80211_isratevalid(ic->ic_rt, rate)) {
1189 		    rate);
1203 	data->rate = rate;
1206 	rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
1208 	DPRINTFN(10, "sending raw frame len=%u rate=%u\n",
1209 	    m0->m_pkthdr.len, rate);
1229 	int error, rate;
1237 		rate = tp->mcastrate;
1239 		rate = tp->ucastrate;
1241 		rate = ni->ni_txrate;
1259 		    ieee80211_rate2phytype(ic->ic_rt, rate) == IEEE80211_T_OFDM)
1262 			error = rum_sendprot(sc, m0, ni, prot, rate);
1277 	data->rate = rate;
1283 		dur = ieee80211_ack_duration(ic->ic_rt, rate,
1288 	rum_setup_tx_desc(sc, &data->desc, flags, 0, m0->m_pkthdr.len, rate);
1290 	DPRINTFN(10, "sending frame len=%d rate=%d\n",
1291 	    m0->m_pkthdr.len + (int)RT2573_TX_DESC_SIZE, rate);
1566  * Enable multi-rate retries for frames sent at OFDM rates.
1608 	/* update basic rate set */