sys/net80211/ieee80211_tdma.c

114 static void tdma_vdetach(struct ieee80211vap *vap);
116 static void tdma_beacon_miss(struct ieee80211vap *vap);
119 static int tdma_update(struct ieee80211vap *vap,
126 settxparms(struct ieee80211vap *vap, enum ieee80211_phymode mode, int rate)
128 	vap->iv_txparms[mode].ucastrate = rate;
129 	vap->iv_txparms[mode].mcastrate = rate;
145 ieee80211_tdma_vattach(struct ieee80211vap *vap)
149 	KASSERT(vap->iv_caps & IEEE80211_C_TDMA,
150 	     ("not a tdma vap, caps 0x%x", vap->iv_caps));
157 		vap->iv_caps &= ~IEEE80211_C_TDMA;
168 	settxparms(vap, IEEE80211_MODE_11A, TDMA_TXRATE_11A_DEFAULT);
169 	settxparms(vap, IEEE80211_MODE_11B, TDMA_TXRATE_11B_DEFAULT);
170 	settxparms(vap, IEEE80211_MODE_11G, TDMA_TXRATE_11G_DEFAULT);
171 	settxparms(vap, IEEE80211_MODE_TURBO_A, TDMA_TXRATE_TURBO_DEFAULT);
172 	settxparms(vap, IEEE80211_MODE_TURBO_G, TDMA_TXRATE_TURBO_DEFAULT);
173 	settxparms(vap, IEEE80211_MODE_STURBO_A, TDMA_TXRATE_TURBO_DEFAULT);
174 	settxparms(vap, IEEE80211_MODE_11NA, TDMA_TXRATE_11NA_DEFAULT);
175 	settxparms(vap, IEEE80211_MODE_11NG, TDMA_TXRATE_11NG_DEFAULT);
176 	settxparms(vap, IEEE80211_MODE_HALF, TDMA_TXRATE_HALF_DEFAULT);
177 	settxparms(vap, IEEE80211_MODE_QUARTER, TDMA_TXRATE_QUARTER_DEFAULT);
179 	setackpolicy(vap->iv_ic, 1);	/* disable ACK's */
181 	ts->tdma_opdetach = vap->iv_opdetach;
182 	vap->iv_opdetach = tdma_vdetach;
183 	ts->tdma_newstate = vap->iv_newstate;
184 	vap->iv_newstate = tdma_newstate;
185 	vap->iv_bmiss = tdma_beacon_miss;
186 	ts->tdma_recv_mgmt = vap->iv_recv_mgmt;
187 	vap->iv_recv_mgmt = tdma_recv_mgmt;
189 	vap->iv_tdma = ts;
193 tdma_vdetach(struct ieee80211vap *vap)
195 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
201 	ts->tdma_opdetach(vap);
202 	free(vap->iv_tdma, M_80211_VAP);
203 	vap->iv_tdma = NULL;
205 	setackpolicy(vap->iv_ic, 0);	/* enable ACK's */
211 	struct ieee80211vap *vap = arg;
213 	if (ni->ni_vap == vap && ni != vap->iv_bss)
221 tdma_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
223 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
224 	struct ieee80211com *ic = vap->iv_ic;
230 	ostate = vap->iv_state;
231 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, "%s: %s -> %s (%d)\n",
235 	if (vap->iv_flags_ext & IEEE80211_FEXT_SWBMISS)
236 		callout_stop(&vap->iv_swbmiss);
244 		vap->iv_state = nstate;			/* state transition */
245 		ieee80211_cancel_scan(vap);		/* background scan */
248 			ieee80211_iterate_nodes(&ic->ic_sta, sta_leave, vap);
250 		if (vap->iv_flags_ext & IEEE80211_FEXT_SCANREQ) {
251 			ieee80211_check_scan(vap,
252 			    vap->iv_scanreq_flags,
253 			    vap->iv_scanreq_duration,
254 			    vap->iv_scanreq_mindwell,
255 			    vap->iv_scanreq_maxdwell,
256 			    vap->iv_scanreq_nssid, vap->iv_scanreq_ssid);
257 			vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
259 			ieee80211_check_scan_current(vap);
262 		status = ts->tdma_newstate(vap, nstate, arg);
266 	    (vap->iv_flags_ext & IEEE80211_FEXT_SWBMISS) &&
268 	    vap->iv_des_chan == IEEE80211_CHAN_ANYC) {
276 		vap->iv_swbmiss_period = IEEE80211_TU_TO_TICKS(
277 		    2 * vap->iv_bmissthreshold * ts->tdma_bintval *
279 		vap->iv_swbmiss_count = 0;
280 		callout_reset(&vap->iv_swbmiss, vap->iv_swbmiss_period,
281 			ieee80211_swbmiss, vap);
287 tdma_beacon_miss(struct ieee80211vap *vap)
289 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
291 	IEEE80211_LOCK_ASSERT(vap->iv_ic);
293 	KASSERT((vap->iv_ic->ic_flags & IEEE80211_F_SCAN) == 0, ("scanning"));
294 	KASSERT(vap->iv_state == IEEE80211_S_RUN,
295 	    ("wrong state %d", vap->iv_state));
297 	IEEE80211_DPRINTF(vap,
300 		vap->iv_opmode, ieee80211_state_name[vap->iv_state]);
302 	callout_stop(&vap->iv_swbmiss);
305 		ieee80211_notify_node_leave(vap->iv_bss);
312 		ieee80211_scan_assoc_fail(vap, vap->iv_bss->ni_macaddr,
318 	ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
326 	struct ieee80211vap *vap = ni->ni_vap;
327 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
342 			IEEE80211_DISCARD(vap,
347 			vap->iv_stats.is_rx_mgtdiscard++;
350 		if (ni == vap->iv_bss &&
356 			ni = ieee80211_add_neighbor(vap, wh, &scan);
369 			vap->iv_stats.is_rx_beacon++;
381 			vap->iv_swbmiss_count++;
405 tdma_update(struct ieee80211vap *vap, const struct ieee80211_tdma_param *tdma,
408 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
411 	KASSERT(vap->iv_caps & IEEE80211_C_TDMA,
412 	     ("not a tdma vap, caps 0x%x", vap->iv_caps));
483 		ieee80211_beacon_notify(vap, IEEE80211_BEACON_TDMA);
485 		IEEE80211_DPRINTF(vap, IEEE80211_MSG_TDMA,
497 	if (vap->iv_state == IEEE80211_S_RUN)
498 		vap->iv_ic->ic_tdma_update(ni, tdma, update);
504 			ieee80211_notify_node_leave(vap->iv_bss);
519 	struct ieee80211vap *vap = ni->ni_vap;
520 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
525 	KASSERT(vap->iv_caps & IEEE80211_C_TDMA,
526 	     ("not a tdma vap, caps 0x%x", vap->iv_caps));
529 		IEEE80211_DISCARD_IE(vap,
535 		IEEE80211_DISCARD_IE(vap,
548 		IEEE80211_DISCARD_IE(vap,
557 	if (vap->iv_state == IEEE80211_S_RUN) {
560 			IEEE80211_NOTE(vap, IEEE80211_MSG_TDMA, ni,
578 			(void) tdma_update(vap, tdma, ni, 0);
597 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_DOT1X,
603 		    le64toh(ni->ni_tstamp.tsf) > vap->iv_bss->ni_tstamp.tsf) {
610 			IEEE80211_DPRINTF(vap, IEEE80211_MSG_TDMA,
614 			    vap->iv_bss->ni_tstamp.tsf);
617 			(void) tdma_update(vap, tdma, ni, 1);
624 ieee80211_tdma_getslot(struct ieee80211vap *vap)
626 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
628 	KASSERT(vap->iv_caps & IEEE80211_C_TDMA,
629 	     ("not a tdma vap, caps 0x%x", vap->iv_caps));
639 	struct ieee80211vap *vap = ni->ni_vap;
641 	if (vap->iv_caps & IEEE80211_C_TDMA) {
644 		struct ieee80211_tdma_state *ts = vap->iv_tdma;
650 		(void) tdma_update(vap, tdma, ni, 1);
657 		if ((vap->iv_flags & IEEE80211_F_WME) &&
668 ieee80211_add_tdma(uint8_t *frm, struct ieee80211vap *vap)
683 	const struct ieee80211_tdma_state *ts = vap->iv_tdma;
686 	KASSERT(vap->iv_caps & IEEE80211_C_TDMA,
687 	     ("not a tdma vap, caps 0x%x", vap->iv_caps));
708 ieee80211_tdma_update_beacon(struct ieee80211vap *vap,
711 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
713 	KASSERT(vap->iv_caps & IEEE80211_C_TDMA,
714 	     ("not a tdma vap, caps 0x%x", vap->iv_caps));
717 		(void) ieee80211_add_tdma(bo->bo_tdma, vap);
736 		ts->tdma_count = vap->iv_bmissthreshold-1;
742 tdma_ioctl_get80211(struct ieee80211vap *vap, struct ieee80211req *ireq)
744 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
746 	if ((vap->iv_caps & IEEE80211_C_TDMA) == 0)
770 tdma_ioctl_set80211(struct ieee80211vap *vap, struct ieee80211req *ireq)
772 	struct ieee80211_tdma_state *ts = vap->iv_tdma;
774 	if ((vap->iv_caps & IEEE80211_C_TDMA) == 0)
821 	ieee80211_beacon_notify(vap, IEEE80211_BEACON_TDMA);