sys/net80211/ieee80211.c

97 MALLOC_DEFINE(M_80211_VAP, "80211vap", "802.11 vap state");
274  * the driver on attach to prior to creating any vap's.
351  * all vap's and reclaim all common state prior to the
359 	struct ieee80211vap *vap;
373 	while ((vap = TAILQ_FIRST(&ic->ic_vaps)) != NULL)
374 		ieee80211_vap_destroy(vap);
409 default_reset(struct ieee80211vap *vap, u_long cmd)
415  * Prepare a vap for use.  Drivers use this call to
416  * setup net80211 state in new vap's prior attaching
420 ieee80211_vap_setup(struct ieee80211com *ic, struct ieee80211vap *vap,
434 	ifp->if_softc = vap;			/* back pointer */
441 	vap->iv_ifp = ifp;
442 	vap->iv_ic = ic;
443 	vap->iv_flags = ic->ic_flags;		/* propagate common flags */
444 	vap->iv_flags_ext = ic->ic_flags_ext;
445 	vap->iv_flags_ven = ic->ic_flags_ven;
446 	vap->iv_caps = ic->ic_caps &~ IEEE80211_C_OPMODE;
447 	vap->iv_htcaps = ic->ic_htcaps;
448 	vap->iv_htextcaps = ic->ic_htextcaps;
449 	vap->iv_opmode = opmode;
450 	vap->iv_caps |= ieee80211_opcap[opmode];
458 		 * vap to the proper node happens when the vap
461 		IEEE80211_ADDR_COPY(vap->iv_des_bssid, bssid);
462 		vap->iv_flags |= IEEE80211_F_DESBSSID;
464 			vap->iv_flags_ext |= IEEE80211_FEXT_WDSLEGACY;
473 			 * Propagate TDMA capability to mark vap; this
477 			vap->iv_caps |= IEEE80211_C_TDMA;
486 		vap->iv_flags_ext |= IEEE80211_FEXT_SWBMISS;
489 		vap->iv_flags_ext |= IEEE80211_FEXT_UNIQMAC;
494 	if (vap->iv_caps & IEEE80211_C_WME)
495 		vap->iv_flags |= IEEE80211_F_WME;
496 	if (vap->iv_caps & IEEE80211_C_BURST)
497 		vap->iv_flags |= IEEE80211_F_BURST;
499 	if (vap->iv_opmode == IEEE80211_M_STA &&
500 	    (vap->iv_caps & IEEE80211_C_BGSCAN))
501 		vap->iv_flags |= IEEE80211_F_BGSCAN;
502 	vap->iv_flags |= IEEE80211_F_DOTH;	/* XXX no cap, just ena */
504 	if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
505 	    (vap->iv_caps & IEEE80211_C_DFS))
506 		vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
508 	vap->iv_des_chan = IEEE80211_CHAN_ANYC;		/* any channel is ok */
509 	vap->iv_bmissthreshold = IEEE80211_HWBMISS_DEFAULT;
510 	vap->iv_dtim_period = IEEE80211_DTIM_DEFAULT;
515 	vap->iv_reset = default_reset;
517 	IEEE80211_ADDR_COPY(vap->iv_myaddr, macaddr);
519 	ieee80211_sysctl_vattach(vap);
520 	ieee80211_crypto_vattach(vap);
521 	ieee80211_node_vattach(vap);
522 	ieee80211_power_vattach(vap);
523 	ieee80211_proto_vattach(vap);
525 	ieee80211_superg_vattach(vap);
527 	ieee80211_ht_vattach(vap);
528 	ieee80211_scan_vattach(vap);
529 	ieee80211_regdomain_vattach(vap);
530 	ieee80211_radiotap_vattach(vap);
531 	ieee80211_ratectl_set(vap, IEEE80211_RATECTL_NONE);
537  * Activate a vap.  State should have been prepared with a
539  * from this call the vap is ready for use.
542 ieee80211_vap_attach(struct ieee80211vap *vap,
545 	struct ifnet *ifp = vap->iv_ifp;
546 	struct ieee80211com *ic = vap->iv_ic;
550 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE,
552 	    __func__, ieee80211_opmode_name[vap->iv_opmode],
553 	    ic->ic_ifp->if_xname, vap->iv_flags, vap->iv_flags_ext);
559 	ieee80211_node_latevattach(vap);
560 	ieee80211_power_latevattach(vap);
562 	maxrate = ieee80211_media_setup(ic, &vap->iv_media, vap->iv_caps,
563 	    vap->iv_opmode == IEEE80211_M_STA, media_change, media_stat);
566 	ifmedia_set(&vap->iv_media,
571 	ether_ifattach(ifp, vap->iv_myaddr);
572 	if (vap->iv_opmode == IEEE80211_M_MONITOR) {
578 		vap->iv_output = ifp->if_output;
584 	TAILQ_INSERT_TAIL(&ic->ic_vaps, vap, iv_next);
601  * Tear down vap state and reclaim the ifnet.
607 ieee80211_vap_detach(struct ieee80211vap *vap)
609 	struct ieee80211com *ic = vap->iv_ic;
610 	struct ifnet *ifp = vap->iv_ifp;
614 	IEEE80211_DPRINTF(vap, IEEE80211_MSG_STATE, "%s: %s parent %s\n",
615 	    __func__, ieee80211_opmode_name[vap->iv_opmode],
621 	ieee80211_stop(vap);
624 	 * Flush any deferred vap tasks.
626 	ieee80211_draintask(ic, &vap->iv_nstate_task);
627 	ieee80211_draintask(ic, &vap->iv_swbmiss_task);
633 	KASSERT(vap->iv_state == IEEE80211_S_INIT , ("vap still running"));
634 	TAILQ_REMOVE(&ic->ic_vaps, vap, iv_next);
649 	ifmedia_removeall(&vap->iv_media);
651 	ieee80211_radiotap_vdetach(vap);
652 	ieee80211_regdomain_vdetach(vap);
653 	ieee80211_scan_vdetach(vap);
655 	ieee80211_superg_vdetach(vap);
657 	ieee80211_ht_vdetach(vap);
659 	ieee80211_proto_vdetach(vap);
660 	ieee80211_crypto_vdetach(vap);
661 	ieee80211_power_vdetach(vap);
662 	ieee80211_node_vdetach(vap);
663 	ieee80211_sysctl_vdetach(vap);
672  * according to the state of all vap ifnet's.  This is used,
679 	struct ieee80211vap *vap;
685 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
686 		if (vap->iv_ifp->if_flags & flag) {
693 			    !(vap->iv_opmode == IEEE80211_M_MONITOR ||
694 			      (vap->iv_opmode == IEEE80211_M_AHDEMO &&
695 			       (vap->iv_caps & IEEE80211_C_TDMA) == 0)))
718  * according to the state of all vap's.  This is used,
724 	struct ieee80211vap *vap;
730 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
731 		if (vap->iv_flags & flag) {
742 ieee80211_syncflag(struct ieee80211vap *vap, int flag)
744 	struct ieee80211com *ic = vap->iv_ic;
749 		vap->iv_flags &= ~flag;
751 		vap->iv_flags |= flag;
758  * according to the state of all vap's.  This is used,
764 	struct ieee80211vap *vap;
770 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
771 		if (vap->iv_flags_ht & flag) {
782 ieee80211_syncflag_ht(struct ieee80211vap *vap, int flag)
784 	struct ieee80211com *ic = vap->iv_ic;
789 		vap->iv_flags_ht &= ~flag;
791 		vap->iv_flags_ht |= flag;
798  * according to the state of all vap's.  This is used,
804 	struct ieee80211vap *vap;
810 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
811 		if (vap->iv_flags_ext & flag) {
822 ieee80211_syncflag_ext(struct ieee80211vap *vap, int flag)
824 	struct ieee80211com *ic = vap->iv_ic;
829 		vap->iv_flags_ext &= ~flag;
831 		vap->iv_flags_ext |= flag;
1163 	/* XXX need to propagate new media settings to vap's */
1304  * Handle a media change request on the vap interface.
1309 	struct ieee80211vap *vap = ifp->if_softc;
1310 	struct ifmedia_entry *ime = vap->iv_media.ifm_cur;
1313 	if (!media2mode(ime, vap->iv_flags, &newmode))
1315 	if (vap->iv_des_mode != newmode) {
1316 		vap->iv_des_mode = newmode;
1384 	struct ieee80211vap *vap;
1387 	TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
1388 		if (vap->iv_ifp->if_flags & IFF_UP) {
1400 	struct ieee80211vap *vap = ifp->if_softc;
1401 	struct ieee80211com *ic = vap->iv_ic;
1410 	if (vap->iv_state == IEEE80211_S_RUN) {
1415 	imr->ifm_active = media_status(vap->iv_opmode, ic->ic_curchan);
1419 	if (vap->iv_txparms[mode].ucastrate != IEEE80211_FIXED_RATE_NONE) {
1424 			vap->iv_txparms[mode].ucastrate, mode);
1425 	} else if (vap->iv_opmode == IEEE80211_M_STA) {
1430 			vap->iv_bss->ni_txrate, mode);