2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * $FreeBSD: head/sys/net80211/ieee80211_ioctl.c 202935 2010-01-24 16:17:58Z syrinx $
31 * IEEE 802.11 ioctl support (DragonFlyBSD-specific)
38 #include <sys/endian.h>
39 #include <sys/param.h>
40 #include <sys/kernel.h>
42 #include <sys/socket.h>
43 #include <sys/sockio.h>
44 #include <sys/systm.h>
47 #include <net/if_var.h>
48 #include <net/if_dl.h>
49 #include <net/if_media.h>
50 #include <net/ethernet.h>
51 #include <net/route.h>
54 #include <netinet/in.h>
55 #include <netinet/if_ether.h>
59 #include <netproto/ipx/ipx.h>
60 #include <netproto/ipx/ipx_if.h>
63 #include <netproto/802_11/ieee80211_var.h>
64 #include <netproto/802_11/ieee80211_ioctl.h>
65 #include <netproto/802_11/ieee80211_regdomain.h>
66 #include <netproto/802_11/ieee80211_input.h>
68 #define IS_UP_AUTO(_vap) \
69 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
70 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
72 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
73 static struct ieee80211_channel *findchannel(struct ieee80211com *,
77 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
79 struct ieee80211com *ic = vap->iv_ic;
80 struct ieee80211_node *ni;
81 struct ieee80211req_key ik;
82 struct ieee80211_key *wk;
83 const struct ieee80211_cipher *cip;
87 if (ireq->i_len != sizeof(ik))
89 error = copyin(ireq->i_data, &ik, sizeof(ik));
93 if (kid == IEEE80211_KEYIX_NONE) {
94 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
97 wk = &ni->ni_ucastkey;
99 if (kid >= IEEE80211_WEP_NKID)
101 wk = &vap->iv_nw_keys[kid];
102 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
106 ik.ik_type = cip->ic_cipher;
107 ik.ik_keylen = wk->wk_keylen;
108 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
109 if (wk->wk_keyix == vap->iv_def_txkey)
110 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
111 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
112 /* NB: only root can read key data */
113 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
114 ik.ik_keytsc = wk->wk_keytsc;
115 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
116 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
117 memcpy(ik.ik_keydata+wk->wk_keylen,
118 wk->wk_key + IEEE80211_KEYBUF_SIZE,
119 IEEE80211_MICBUF_SIZE);
120 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
125 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
128 ieee80211_free_node(ni);
129 return copyout(&ik, ireq->i_data, sizeof(ik));
132 static __noinline int
133 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
135 struct ieee80211com *ic = vap->iv_ic;
137 if (sizeof(ic->ic_chan_active) < ireq->i_len)
138 ireq->i_len = sizeof(ic->ic_chan_active);
139 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
142 static __noinline int
143 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
145 struct ieee80211com *ic = vap->iv_ic;
148 space = __offsetof(struct ieee80211req_chaninfo,
149 ic_chans[ic->ic_nchans]);
150 if (space > ireq->i_len)
152 /* XXX assumes compatible layout */
153 return copyout(&ic->ic_nchans, ireq->i_data, space);
156 static __noinline int
157 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
158 struct ieee80211req *ireq, int req)
160 struct ieee80211_node *ni;
161 struct ieee80211req_wpaie2 wpaie;
164 if (ireq->i_len < IEEE80211_ADDR_LEN)
166 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr);
172 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
173 if (ni->ni_ies.wpa_ie != NULL) {
174 int ielen = ni->ni_ies.wpa_ie[1] + 2;
175 if (ielen > sizeof(wpaie.wpa_ie))
176 ielen = sizeof(wpaie.wpa_ie);
177 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen);
179 if (req == IEEE80211_IOC_WPAIE2) {
180 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie));
181 if (ni->ni_ies.rsn_ie != NULL) {
182 int ielen = ni->ni_ies.rsn_ie[1] + 2;
183 if (ielen > sizeof(wpaie.rsn_ie))
184 ielen = sizeof(wpaie.rsn_ie);
185 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen);
187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
188 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
190 /* compatibility op, may overwrite wpa ie */
191 /* XXX check ic_flags? */
192 if (ni->ni_ies.rsn_ie != NULL) {
193 int ielen = ni->ni_ies.rsn_ie[1] + 2;
194 if (ielen > sizeof(wpaie.wpa_ie))
195 ielen = sizeof(wpaie.wpa_ie);
196 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen);
198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
199 ireq->i_len = sizeof(struct ieee80211req_wpaie);
201 ieee80211_free_node(ni);
202 return copyout(&wpaie, ireq->i_data, ireq->i_len);
205 static __noinline int
206 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
208 struct ieee80211_node *ni;
209 uint8_t macaddr[IEEE80211_ADDR_LEN];
210 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
213 if (ireq->i_len < off)
215 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
218 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
221 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
222 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
223 /* NB: copy out only the statistics */
224 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
226 ieee80211_free_node(ni);
231 struct ieee80211req_scan_result *sr;
236 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
240 *ielen = se->se_ies.len;
242 * NB: ie's can be no more than 255 bytes and the max 802.11
243 * packet is <3Kbytes so we are sure this doesn't overflow
244 * 16-bits; if this is a concern we can drop the ie's.
246 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
247 se->se_meshid[1] + *ielen;
248 return roundup(len, sizeof(uint32_t));
252 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
254 struct scanreq *req = arg;
257 req->space += scan_space(se, &ielen);
260 static __noinline void
261 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
263 struct scanreq *req = arg;
264 struct ieee80211req_scan_result *sr;
265 int ielen, len, nr, nxr;
268 len = scan_space(se, &ielen);
269 if (len > req->space)
273 KASSERT(len <= 65535 && ielen <= 65535,
274 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
276 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
277 sr->isr_ie_len = ielen;
278 sr->isr_freq = se->se_chan->ic_freq;
279 sr->isr_flags = se->se_chan->ic_flags;
280 sr->isr_rssi = se->se_rssi;
281 sr->isr_noise = se->se_noise;
282 sr->isr_intval = se->se_intval;
283 sr->isr_capinfo = se->se_capinfo;
284 sr->isr_erp = se->se_erp;
285 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
286 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
287 memcpy(sr->isr_rates, se->se_rates+2, nr);
288 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
289 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
290 sr->isr_nrates = nr + nxr;
293 sr->isr_ssid_len = se->se_ssid[1];
294 cp = ((uint8_t *)sr) + sr->isr_ie_off;
295 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
298 cp += sr->isr_ssid_len;
299 sr->isr_meshid_len = se->se_meshid[1];
300 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
301 cp += sr->isr_meshid_len;
304 memcpy(cp, se->se_ies.data, ielen);
307 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
310 static __noinline int
311 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
312 struct ieee80211req *ireq)
317 if (ireq->i_len < sizeof(struct scanreq))
322 ieee80211_scan_iterate(vap, get_scan_space, &req);
323 if (req.space > ireq->i_len)
324 req.space = ireq->i_len;
330 /* XXX M_WAITOK after driver lock released */
331 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO);
335 ieee80211_scan_iterate(vap, get_scan_result, &req);
336 ireq->i_len = space - req.space;
337 error = copyout(p, ireq->i_data, ireq->i_len);
346 struct ieee80211vap *vap;
347 struct ieee80211req_sta_info *si;
352 sta_space(const struct ieee80211_node *ni, size_t *ielen)
354 *ielen = ni->ni_ies.len;
355 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
360 get_sta_space(void *arg, struct ieee80211_node *ni)
362 struct stainforeq *req = arg;
365 if (req->vap != ni->ni_vap)
367 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
368 ni->ni_associd == 0) /* only associated stations */
370 req->space += sta_space(ni, &ielen);
373 static __noinline void
374 get_sta_info(void *arg, struct ieee80211_node *ni)
376 struct stainforeq *req = arg;
377 struct ieee80211vap *vap = ni->ni_vap;
378 struct ieee80211req_sta_info *si;
382 if (req->vap != ni->ni_vap)
384 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
385 ni->ni_associd == 0) /* only associated stations */
387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
389 len = sta_space(ni, &ielen);
390 if (len > req->space)
394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
395 si->isi_ie_len = ielen;
396 si->isi_freq = ni->ni_chan->ic_freq;
397 si->isi_flags = ni->ni_chan->ic_flags;
398 si->isi_state = ni->ni_flags;
399 si->isi_authmode = ni->ni_authmode;
400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
402 si->isi_capinfo = ni->ni_capinfo;
403 si->isi_erp = ni->ni_erp;
404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
405 si->isi_nrates = ni->ni_rates.rs_nrates;
406 if (si->isi_nrates > 15)
408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
409 si->isi_txrate = ni->ni_txrate;
410 if (si->isi_txrate & IEEE80211_RATE_MCS) {
411 const struct ieee80211_mcs_rates *mcs =
412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
414 if (ni->ni_flags & IEEE80211_NODE_SGI40)
415 si->isi_txmbps = mcs->ht40_rate_800ns;
417 si->isi_txmbps = mcs->ht40_rate_400ns;
419 if (ni->ni_flags & IEEE80211_NODE_SGI20)
420 si->isi_txmbps = mcs->ht20_rate_800ns;
422 si->isi_txmbps = mcs->ht20_rate_400ns;
425 si->isi_txmbps = si->isi_txrate;
426 si->isi_associd = ni->ni_associd;
427 si->isi_txpower = ni->ni_txpower;
428 si->isi_vlan = ni->ni_vlan;
429 if (ni->ni_flags & IEEE80211_NODE_QOS) {
430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
436 /* NB: leave all cases in case we relax ni_associd == 0 check */
437 if (ieee80211_node_is_authorized(ni))
438 si->isi_inact = vap->iv_inact_run;
439 else if (ni->ni_associd != 0 ||
440 (vap->iv_opmode == IEEE80211_M_WDS &&
441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
442 si->isi_inact = vap->iv_inact_auth;
444 si->isi_inact = vap->iv_inact_init;
445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
446 si->isi_localid = ni->ni_mllid;
447 si->isi_peerid = ni->ni_mlpid;
448 si->isi_peerstate = ni->ni_mlstate;
451 cp = ((uint8_t *)si) + si->isi_ie_off;
452 memcpy(cp, ni->ni_ies.data, ielen);
455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
459 static __noinline int
460 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
461 struct ieee80211_node *ni, int off)
463 struct ieee80211com *ic = vap->iv_ic;
464 struct stainforeq req;
473 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
475 get_sta_space(&req, ni);
476 if (req.space > ireq->i_len)
477 req.space = ireq->i_len;
480 /* XXX M_WAITOK after driver lock released */
481 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO);
488 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
490 get_sta_info(&req, ni);
491 ireq->i_len = space - req.space;
492 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
498 ieee80211_free_node(ni);
502 static __noinline int
503 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
505 uint8_t macaddr[IEEE80211_ADDR_LEN];
506 const int off = __offsetof(struct ieee80211req_sta_req, info);
507 struct ieee80211_node *ni;
510 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
512 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
515 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
518 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
522 return getstainfo_common(vap, ireq, ni, off);
525 static __noinline int
526 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
528 struct ieee80211_node *ni;
529 struct ieee80211req_sta_txpow txpow;
532 if (ireq->i_len != sizeof(txpow))
534 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
537 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
540 txpow.it_txpow = ni->ni_txpower;
541 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
542 ieee80211_free_node(ni);
546 static __noinline int
547 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
549 struct ieee80211com *ic = vap->iv_ic;
550 struct ieee80211_wme_state *wme = &ic->ic_wme;
551 struct wmeParams *wmep;
554 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
557 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
558 if (ac >= WME_NUM_AC)
560 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
561 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
563 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
564 switch (ireq->i_type) {
565 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
566 ireq->i_val = wmep->wmep_logcwmin;
568 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
569 ireq->i_val = wmep->wmep_logcwmax;
571 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
572 ireq->i_val = wmep->wmep_aifsn;
574 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
575 ireq->i_val = wmep->wmep_txopLimit;
577 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
579 ireq->i_val = wmep->wmep_acm;
581 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
582 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
583 ireq->i_val = !wmep->wmep_noackPolicy;
589 static __noinline int
590 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
592 const struct ieee80211_aclator *acl = vap->iv_acl;
594 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
597 static __noinline int
598 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
600 struct ieee80211com *ic = vap->iv_ic;
601 struct ieee80211_channel *c;
603 if (ireq->i_len != sizeof(struct ieee80211_channel))
606 * vap's may have different operating channels when HT is
607 * in use. When in RUN state report the vap-specific channel.
608 * Otherwise return curchan.
610 if (vap->iv_state == IEEE80211_S_RUN)
611 c = vap->iv_bss->ni_chan;
614 return copyout(c, ireq->i_data, sizeof(*c));
618 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
622 /* NB: truncate, caller can check length */
623 if (ireq->i_len > aie->ie_len)
624 ireq->i_len = aie->ie_len;
625 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
629 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
633 fc0 = ireq->i_val & 0xff;
634 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
636 /* NB: could check iv_opmode and reject but hardly worth the effort */
637 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
638 case IEEE80211_FC0_SUBTYPE_BEACON:
639 return getappie(vap->iv_appie_beacon, ireq);
640 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
641 return getappie(vap->iv_appie_proberesp, ireq);
642 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
643 return getappie(vap->iv_appie_assocresp, ireq);
644 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
645 return getappie(vap->iv_appie_probereq, ireq);
646 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
647 return getappie(vap->iv_appie_assocreq, ireq);
648 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
649 return getappie(vap->iv_appie_wpa, ireq);
654 static __noinline int
655 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
656 const struct ieee80211req *ireq)
658 struct ieee80211com *ic = vap->iv_ic;
660 if (ireq->i_len != sizeof(ic->ic_regdomain))
662 return copyout(&ic->ic_regdomain, ireq->i_data,
663 sizeof(ic->ic_regdomain));
666 static __noinline int
667 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
668 const struct ieee80211req *ireq)
670 size_t len = ireq->i_len;
671 /* NB: accept short requests for backwards compat */
672 if (len > sizeof(vap->iv_roamparms))
673 len = sizeof(vap->iv_roamparms);
674 return copyout(vap->iv_roamparms, ireq->i_data, len);
677 static __noinline int
678 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
679 const struct ieee80211req *ireq)
681 size_t len = ireq->i_len;
682 /* NB: accept short requests for backwards compat */
683 if (len > sizeof(vap->iv_txparms))
684 len = sizeof(vap->iv_txparms);
685 return copyout(vap->iv_txparms, ireq->i_data, len);
688 static __noinline int
689 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
690 const struct ieee80211req *ireq)
692 struct ieee80211_devcaps_req *dc;
693 struct ieee80211req_chaninfo *ci;
696 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
697 sizeof(struct ieee80211_channel));
698 /* NB: require 1 so we know ic_nchans is accessible */
701 /* constrain max request size, 2K channels is ~24Kbytes */
704 dc = (struct ieee80211_devcaps_req *)
705 kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
709 dc->dc_drivercaps = ic->ic_caps;
710 dc->dc_cryptocaps = ic->ic_cryptocaps;
711 dc->dc_htcaps = ic->ic_htcaps;
712 ci = &dc->dc_chaninfo;
713 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
714 KASSERT(ci->ic_nchans <= maxchans,
715 ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
716 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
717 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
722 static __noinline int
723 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
725 struct ieee80211_node *ni;
726 struct ieee80211req_sta_vlan vlan;
729 if (ireq->i_len != sizeof(vlan))
731 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
734 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
735 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
740 ni = ieee80211_ref_node(vap->iv_bss);
741 vlan.sv_vlan = ni->ni_vlan;
742 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
743 ieee80211_free_node(ni);
748 * Dummy ioctl get handler so the linker set is defined.
751 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
755 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
758 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
760 ieee80211_ioctl_getfunc * const *get;
763 SET_FOREACH(get, ieee80211_ioctl_getset) {
764 error = (*get)(vap, ireq);
772 * When building the kernel with -O2 on the i386 architecture, gcc
773 * seems to want to inline this function into ieee80211_ioctl()
774 * (which is the only routine that calls it). When this happens,
775 * ieee80211_ioctl() ends up consuming an additional 2K of stack
776 * space. (Exactly why it needs so much is unclear.) The problem
777 * is that it's possible for ieee80211_ioctl() to invoke other
778 * routines (including driver init functions) which could then find
779 * themselves perilously close to exhausting the stack.
781 * To avoid this, we deliberately prevent gcc from inlining this
782 * routine. Another way to avoid this is to use less agressive
783 * optimization when compiling this file (i.e. -O instead of -O2)
784 * but special-casing the compilation of this one module in the
785 * build system would be awkward.
787 static __noinline int
788 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
789 struct ieee80211req *ireq)
791 #define MS(_v, _f) (((_v) & _f) >> _f##_S)
792 struct ieee80211com *ic = vap->iv_ic;
794 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
795 char tmpssid[IEEE80211_NWID_LEN];
798 switch (ireq->i_type) {
799 case IEEE80211_IOC_SSID:
800 switch (vap->iv_state) {
801 case IEEE80211_S_INIT:
802 case IEEE80211_S_SCAN:
803 ireq->i_len = vap->iv_des_ssid[0].len;
804 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
807 ireq->i_len = vap->iv_bss->ni_esslen;
808 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
811 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
813 case IEEE80211_IOC_NUMSSIDS:
816 case IEEE80211_IOC_WEP:
817 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
818 ireq->i_val = IEEE80211_WEP_OFF;
819 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
820 ireq->i_val = IEEE80211_WEP_ON;
822 ireq->i_val = IEEE80211_WEP_MIXED;
824 case IEEE80211_IOC_WEPKEY:
825 kid = (u_int) ireq->i_val;
826 if (kid >= IEEE80211_WEP_NKID)
828 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
829 /* NB: only root can read WEP keys */
830 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
831 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
836 error = copyout(tmpkey, ireq->i_data, len);
838 case IEEE80211_IOC_NUMWEPKEYS:
839 ireq->i_val = IEEE80211_WEP_NKID;
841 case IEEE80211_IOC_WEPTXKEY:
842 ireq->i_val = vap->iv_def_txkey;
844 case IEEE80211_IOC_AUTHMODE:
845 if (vap->iv_flags & IEEE80211_F_WPA)
846 ireq->i_val = IEEE80211_AUTH_WPA;
848 ireq->i_val = vap->iv_bss->ni_authmode;
850 case IEEE80211_IOC_CHANNEL:
851 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
853 case IEEE80211_IOC_POWERSAVE:
854 if (vap->iv_flags & IEEE80211_F_PMGTON)
855 ireq->i_val = IEEE80211_POWERSAVE_ON;
857 ireq->i_val = IEEE80211_POWERSAVE_OFF;
859 case IEEE80211_IOC_POWERSAVESLEEP:
860 ireq->i_val = ic->ic_lintval;
862 case IEEE80211_IOC_RTSTHRESHOLD:
863 ireq->i_val = vap->iv_rtsthreshold;
865 case IEEE80211_IOC_PROTMODE:
866 ireq->i_val = ic->ic_protmode;
868 case IEEE80211_IOC_TXPOWER:
870 * Tx power limit is the min of max regulatory
871 * power, any user-set limit, and the max the
874 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
875 if (ireq->i_val > ic->ic_txpowlimit)
876 ireq->i_val = ic->ic_txpowlimit;
877 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
878 ireq->i_val = ic->ic_curchan->ic_maxpower;
880 case IEEE80211_IOC_WPA:
881 switch (vap->iv_flags & IEEE80211_F_WPA) {
882 case IEEE80211_F_WPA1:
885 case IEEE80211_F_WPA2:
888 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
896 case IEEE80211_IOC_CHANLIST:
897 error = ieee80211_ioctl_getchanlist(vap, ireq);
899 case IEEE80211_IOC_ROAMING:
900 ireq->i_val = vap->iv_roaming;
902 case IEEE80211_IOC_PRIVACY:
903 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
905 case IEEE80211_IOC_DROPUNENCRYPTED:
906 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
908 case IEEE80211_IOC_COUNTERMEASURES:
909 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
911 case IEEE80211_IOC_WME:
912 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
914 case IEEE80211_IOC_HIDESSID:
915 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
917 case IEEE80211_IOC_APBRIDGE:
918 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
920 case IEEE80211_IOC_WPAKEY:
921 error = ieee80211_ioctl_getkey(vap, ireq);
923 case IEEE80211_IOC_CHANINFO:
924 error = ieee80211_ioctl_getchaninfo(vap, ireq);
926 case IEEE80211_IOC_BSSID:
927 if (ireq->i_len != IEEE80211_ADDR_LEN)
929 if (vap->iv_state == IEEE80211_S_RUN) {
930 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
931 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
932 ireq->i_data, ireq->i_len);
934 error = copyout(vap->iv_des_bssid, ireq->i_data,
937 case IEEE80211_IOC_WPAIE:
938 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
940 case IEEE80211_IOC_WPAIE2:
941 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
943 case IEEE80211_IOC_SCAN_RESULTS:
944 error = ieee80211_ioctl_getscanresults(vap, ireq);
946 case IEEE80211_IOC_STA_STATS:
947 error = ieee80211_ioctl_getstastats(vap, ireq);
949 case IEEE80211_IOC_TXPOWMAX:
950 ireq->i_val = vap->iv_bss->ni_txpower;
952 case IEEE80211_IOC_STA_TXPOW:
953 error = ieee80211_ioctl_getstatxpow(vap, ireq);
955 case IEEE80211_IOC_STA_INFO:
956 error = ieee80211_ioctl_getstainfo(vap, ireq);
958 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
959 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
960 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
961 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
962 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
963 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
964 error = ieee80211_ioctl_getwmeparam(vap, ireq);
966 case IEEE80211_IOC_DTIM_PERIOD:
967 ireq->i_val = vap->iv_dtim_period;
969 case IEEE80211_IOC_BEACON_INTERVAL:
970 /* NB: get from ic_bss for station mode */
971 ireq->i_val = vap->iv_bss->ni_intval;
973 case IEEE80211_IOC_PUREG:
974 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
976 case IEEE80211_IOC_BGSCAN:
977 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
979 case IEEE80211_IOC_BGSCAN_IDLE:
980 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
982 case IEEE80211_IOC_BGSCAN_INTERVAL:
983 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
985 case IEEE80211_IOC_SCANVALID:
986 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
988 case IEEE80211_IOC_FRAGTHRESHOLD:
989 ireq->i_val = vap->iv_fragthreshold;
991 case IEEE80211_IOC_MACCMD:
992 error = ieee80211_ioctl_getmaccmd(vap, ireq);
994 case IEEE80211_IOC_BURST:
995 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
997 case IEEE80211_IOC_BMISSTHRESHOLD:
998 ireq->i_val = vap->iv_bmissthreshold;
1000 case IEEE80211_IOC_CURCHAN:
1001 error = ieee80211_ioctl_getcurchan(vap, ireq);
1003 case IEEE80211_IOC_SHORTGI:
1005 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1006 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1007 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1008 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1010 case IEEE80211_IOC_AMPDU:
1012 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1014 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1017 case IEEE80211_IOC_AMPDU_LIMIT:
1018 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1019 ireq->i_val = vap->iv_ampdu_rxmax;
1020 else if (vap->iv_state == IEEE80211_S_RUN)
1021 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1022 IEEE80211_HTCAP_MAXRXAMPDU);
1024 ireq->i_val = vap->iv_ampdu_limit;
1026 case IEEE80211_IOC_AMPDU_DENSITY:
1027 if (vap->iv_opmode == IEEE80211_M_STA &&
1028 vap->iv_state == IEEE80211_S_RUN)
1029 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1030 IEEE80211_HTCAP_MPDUDENSITY);
1032 ireq->i_val = vap->iv_ampdu_density;
1034 case IEEE80211_IOC_AMSDU:
1036 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1038 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1041 case IEEE80211_IOC_AMSDU_LIMIT:
1042 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1044 case IEEE80211_IOC_PUREN:
1045 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1047 case IEEE80211_IOC_DOTH:
1048 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1050 case IEEE80211_IOC_REGDOMAIN:
1051 error = ieee80211_ioctl_getregdomain(vap, ireq);
1053 case IEEE80211_IOC_ROAM:
1054 error = ieee80211_ioctl_getroam(vap, ireq);
1056 case IEEE80211_IOC_TXPARAMS:
1057 error = ieee80211_ioctl_gettxparams(vap, ireq);
1059 case IEEE80211_IOC_HTCOMPAT:
1060 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1062 case IEEE80211_IOC_DWDS:
1063 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1065 case IEEE80211_IOC_INACTIVITY:
1066 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1068 case IEEE80211_IOC_APPIE:
1069 error = ieee80211_ioctl_getappie(vap, ireq);
1071 case IEEE80211_IOC_WPS:
1072 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1074 case IEEE80211_IOC_TSN:
1075 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1077 case IEEE80211_IOC_DFS:
1078 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1080 case IEEE80211_IOC_DOTD:
1081 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1083 case IEEE80211_IOC_DEVCAPS:
1084 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1086 case IEEE80211_IOC_HTPROTMODE:
1087 ireq->i_val = ic->ic_htprotmode;
1089 case IEEE80211_IOC_HTCONF:
1090 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1092 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1097 case IEEE80211_IOC_STA_VLAN:
1098 error = ieee80211_ioctl_getstavlan(vap, ireq);
1100 case IEEE80211_IOC_SMPS:
1101 if (vap->iv_opmode == IEEE80211_M_STA &&
1102 vap->iv_state == IEEE80211_S_RUN) {
1103 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1104 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1105 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1106 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1108 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1110 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1112 case IEEE80211_IOC_RIFS:
1113 if (vap->iv_opmode == IEEE80211_M_STA &&
1114 vap->iv_state == IEEE80211_S_RUN)
1116 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1119 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1122 error = ieee80211_ioctl_getdefault(vap, ireq);
1129 static __noinline int
1130 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1132 struct ieee80211req_key ik;
1133 struct ieee80211_node *ni;
1134 struct ieee80211_key *wk;
1138 if (ireq->i_len != sizeof(ik))
1140 error = copyin(ireq->i_data, &ik, sizeof(ik));
1143 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1144 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1145 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1148 if (kid == IEEE80211_KEYIX_NONE) {
1149 /* XXX unicast keys currently must be tx/rx */
1150 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1152 if (vap->iv_opmode == IEEE80211_M_STA) {
1153 ni = ieee80211_ref_node(vap->iv_bss);
1154 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1155 ieee80211_free_node(ni);
1156 return EADDRNOTAVAIL;
1159 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1164 wk = &ni->ni_ucastkey;
1166 if (kid >= IEEE80211_WEP_NKID)
1168 wk = &vap->iv_nw_keys[kid];
1170 * Global slots start off w/o any assigned key index.
1171 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1173 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1178 ieee80211_key_update_begin(vap);
1179 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1180 wk->wk_keylen = ik.ik_keylen;
1181 /* NB: MIC presence is implied by cipher type */
1182 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1183 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1184 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1185 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1186 wk->wk_keytsc = 0; /* new key, reset */
1187 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1188 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1189 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1190 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1191 if (!ieee80211_crypto_setkey(vap, wk))
1193 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1194 vap->iv_def_txkey = kid;
1197 ieee80211_key_update_end(vap);
1199 ieee80211_free_node(ni);
1203 static __noinline int
1204 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1206 struct ieee80211req_del_key dk;
1209 if (ireq->i_len != sizeof(dk))
1211 error = copyin(ireq->i_data, &dk, sizeof(dk));
1215 /* XXX uint8_t -> uint16_t */
1216 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1217 struct ieee80211_node *ni;
1219 if (vap->iv_opmode == IEEE80211_M_STA) {
1220 ni = ieee80211_ref_node(vap->iv_bss);
1221 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1222 ieee80211_free_node(ni);
1223 return EADDRNOTAVAIL;
1226 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1231 /* XXX error return */
1232 ieee80211_node_delucastkey(ni);
1233 ieee80211_free_node(ni);
1235 if (kid >= IEEE80211_WEP_NKID)
1237 /* XXX error return */
1238 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1244 struct ieee80211vap *vap;
1250 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1253 #ifdef IEEE80211_DEBUG
1254 static const struct {
1259 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1260 IEEE80211_MSG_ASSOC, "assoc" },
1261 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1262 IEEE80211_MSG_ASSOC, "disassoc" },
1263 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1264 IEEE80211_MSG_AUTH, "deauth" },
1265 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1266 IEEE80211_MSG_AUTH, "authorize" },
1267 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1268 IEEE80211_MSG_AUTH, "unauthorize" },
1271 if (op == IEEE80211_MLME_AUTH) {
1272 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1273 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1274 "station authenticate %s via MLME (reason %d)",
1275 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1277 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1278 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1279 "unknown MLME request %d (reason %d)", op, reason);
1280 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1281 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1282 "station %s via MLME", ops[op].opstr);
1284 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1285 "station %s via MLME (reason %d)", ops[op].opstr, reason);
1287 #endif /* IEEE80211_DEBUG */
1291 domlme(void *arg, struct ieee80211_node *ni)
1293 struct mlmeop *mop = arg;
1294 struct ieee80211vap *vap = ni->ni_vap;
1296 if (vap != mop->vap)
1299 * NB: if ni_associd is zero then the node is already cleaned
1300 * up and we don't need to do this (we're safely holding a
1301 * reference but should otherwise not modify it's state).
1303 if (ni->ni_associd == 0)
1305 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1306 if (mop->op == IEEE80211_MLME_DEAUTH) {
1307 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1310 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1313 ieee80211_node_leave(ni);
1317 setmlme_dropsta(struct ieee80211vap *vap,
1318 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1320 struct ieee80211com *ic = vap->iv_ic;
1321 struct ieee80211_node_table *nt = &ic->ic_sta;
1322 struct ieee80211_node *ni;
1325 /* NB: the broadcast address means do 'em all */
1326 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) {
1327 ni = ieee80211_find_node_locked(nt, mac);
1330 ieee80211_free_node(ni);
1334 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1339 static __noinline int
1340 setmlme_common(struct ieee80211vap *vap, int op,
1341 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1343 struct ieee80211com *ic = vap->iv_ic;
1344 struct ieee80211_node_table *nt = &ic->ic_sta;
1345 struct ieee80211_node *ni;
1346 struct mlmeop mlmeop;
1351 case IEEE80211_MLME_DISASSOC:
1352 case IEEE80211_MLME_DEAUTH:
1353 switch (vap->iv_opmode) {
1354 case IEEE80211_M_STA:
1355 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1356 /* XXX not quite right */
1357 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1359 case IEEE80211_M_HOSTAP:
1362 mlmeop.reason = reason;
1363 error = setmlme_dropsta(vap, mac, &mlmeop);
1365 case IEEE80211_M_WDS:
1366 /* XXX user app should send raw frame? */
1367 if (op != IEEE80211_MLME_DEAUTH) {
1372 /* XXX accept any address, simplifies user code */
1373 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1378 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1379 ni = ieee80211_ref_node(vap->iv_bss);
1380 IEEE80211_SEND_MGMT(ni,
1381 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1382 ieee80211_free_node(ni);
1389 case IEEE80211_MLME_AUTHORIZE:
1390 case IEEE80211_MLME_UNAUTHORIZE:
1391 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1392 vap->iv_opmode != IEEE80211_M_WDS) {
1396 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1398 mlmedebug(vap, mac, op, reason);
1399 if (op == IEEE80211_MLME_AUTHORIZE)
1400 ieee80211_node_authorize(ni);
1402 ieee80211_node_unauthorize(ni);
1403 ieee80211_free_node(ni);
1407 case IEEE80211_MLME_AUTH:
1408 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1412 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1414 mlmedebug(vap, mac, op, reason);
1415 if (reason == IEEE80211_STATUS_SUCCESS) {
1416 IEEE80211_SEND_MGMT(ni,
1417 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1419 * For shared key auth, just continue the
1420 * exchange. Otherwise when 802.1x is not in
1421 * use mark the port authorized at this point
1422 * so traffic can flow.
1424 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1425 ni->ni_challenge == NULL)
1426 ieee80211_node_authorize(ni);
1428 vap->iv_stats.is_rx_acl++;
1429 ieee80211_send_error(ni, ni->ni_macaddr,
1430 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1431 ieee80211_node_leave(ni);
1433 ieee80211_free_node(ni);
1447 const uint8_t *essid;
1448 const struct ieee80211_scan_entry *se;
1452 * Match mac address and any ssid.
1455 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1457 struct scanlookup *look = arg;
1459 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1461 if (look->esslen != 0) {
1462 if (se->se_ssid[1] != look->esslen)
1464 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1470 static __noinline int
1471 setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1472 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN])
1474 struct scanlookup lookup;
1476 /* XXX ibss/ahdemo */
1477 if (vap->iv_opmode != IEEE80211_M_STA)
1480 /* NB: this is racey if roaming is !manual */
1483 lookup.esslen = ssid_len;
1484 lookup.essid = ssid;
1485 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1486 if (lookup.se == NULL)
1488 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1489 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1490 return EIO; /* XXX unique but could be better */
1494 static __noinline int
1495 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1497 struct ieee80211req_mlme mlme;
1500 if (ireq->i_len != sizeof(mlme))
1502 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1505 if (mlme.im_op == IEEE80211_MLME_ASSOC)
1506 return setmlme_assoc(vap, mlme.im_macaddr,
1507 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1509 return setmlme_common(vap, mlme.im_op,
1510 mlme.im_macaddr, mlme.im_reason);
1513 static __noinline int
1514 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1516 uint8_t mac[IEEE80211_ADDR_LEN];
1517 const struct ieee80211_aclator *acl = vap->iv_acl;
1520 if (ireq->i_len != sizeof(mac))
1522 error = copyin(ireq->i_data, mac, ireq->i_len);
1526 acl = ieee80211_aclator_get("mac");
1527 if (acl == NULL || !acl->iac_attach(vap))
1531 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1532 acl->iac_add(vap, mac);
1534 acl->iac_remove(vap, mac);
1538 static __noinline int
1539 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1541 const struct ieee80211_aclator *acl = vap->iv_acl;
1543 switch (ireq->i_val) {
1544 case IEEE80211_MACCMD_POLICY_OPEN:
1545 case IEEE80211_MACCMD_POLICY_ALLOW:
1546 case IEEE80211_MACCMD_POLICY_DENY:
1547 case IEEE80211_MACCMD_POLICY_RADIUS:
1549 acl = ieee80211_aclator_get("mac");
1550 if (acl == NULL || !acl->iac_attach(vap))
1554 acl->iac_setpolicy(vap, ireq->i_val);
1556 case IEEE80211_MACCMD_FLUSH:
1558 acl->iac_flush(vap);
1559 /* NB: silently ignore when not in use */
1561 case IEEE80211_MACCMD_DETACH:
1564 acl->iac_detach(vap);
1571 return acl->iac_setioctl(vap, ireq);
1576 static __noinline int
1577 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1579 struct ieee80211com *ic = vap->iv_ic;
1580 uint8_t *chanlist, *list;
1581 int i, nchan, maxchan, error;
1583 if (ireq->i_len > sizeof(ic->ic_chan_active))
1584 ireq->i_len = sizeof(ic->ic_chan_active);
1585 list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1586 M_INTWAIT | M_ZERO);
1589 error = copyin(ireq->i_data, list, ireq->i_len);
1591 kfree(list, M_TEMP);
1595 chanlist = list + ireq->i_len; /* NB: zero'd already */
1596 maxchan = ireq->i_len * NBBY;
1597 for (i = 0; i < ic->ic_nchans; i++) {
1598 const struct ieee80211_channel *c = &ic->ic_channels[i];
1600 * Calculate the intersection of the user list and the
1601 * available channels so users can do things like specify
1602 * 1-255 to get all available channels.
1604 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1605 setbit(chanlist, c->ic_ieee);
1610 kfree(list, M_TEMP);
1613 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1614 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1615 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1616 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1617 ieee80211_scan_flush(vap);
1618 kfree(list, M_TEMP);
1622 static __noinline int
1623 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1625 struct ieee80211_node *ni;
1626 uint8_t macaddr[IEEE80211_ADDR_LEN];
1630 * NB: we could copyin ieee80211req_sta_stats so apps
1631 * could make selective changes but that's overkill;
1632 * just clear all stats for now.
1634 if (ireq->i_len < IEEE80211_ADDR_LEN)
1636 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1639 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1642 /* XXX require ni_vap == vap? */
1643 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1644 ieee80211_free_node(ni);
1648 static __noinline int
1649 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1651 struct ieee80211_node *ni;
1652 struct ieee80211req_sta_txpow txpow;
1655 if (ireq->i_len != sizeof(txpow))
1657 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1660 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1663 ni->ni_txpower = txpow.it_txpow;
1664 ieee80211_free_node(ni);
1668 static __noinline int
1669 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1671 struct ieee80211com *ic = vap->iv_ic;
1672 struct ieee80211_wme_state *wme = &ic->ic_wme;
1673 struct wmeParams *wmep, *chanp;
1676 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1679 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1680 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1681 if (ac >= WME_NUM_AC)
1684 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1685 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1687 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1688 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1690 switch (ireq->i_type) {
1691 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1693 wmep->wmep_logcwmin = ireq->i_val;
1694 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1695 chanp->wmep_logcwmin = ireq->i_val;
1697 wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1701 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1703 wmep->wmep_logcwmax = ireq->i_val;
1704 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1705 chanp->wmep_logcwmax = ireq->i_val;
1707 wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1711 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1713 wmep->wmep_aifsn = ireq->i_val;
1714 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1715 chanp->wmep_aifsn = ireq->i_val;
1717 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1720 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1722 wmep->wmep_txopLimit = ireq->i_val;
1723 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1724 chanp->wmep_txopLimit = ireq->i_val;
1726 wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1730 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1731 wmep->wmep_acm = ireq->i_val;
1732 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1733 chanp->wmep_acm = ireq->i_val;
1735 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1736 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1740 ieee80211_wme_updateparams(vap);
1745 find11gchannel(struct ieee80211com *ic, int start, int freq)
1747 const struct ieee80211_channel *c;
1750 for (i = start+1; i < ic->ic_nchans; i++) {
1751 c = &ic->ic_channels[i];
1752 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1755 /* NB: should not be needed but in case things are mis-sorted */
1756 for (i = 0; i < start; i++) {
1757 c = &ic->ic_channels[i];
1758 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1764 static struct ieee80211_channel *
1765 findchannel(struct ieee80211com *ic, int ieee, int mode)
1767 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1768 [IEEE80211_MODE_AUTO] = 0,
1769 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1770 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1771 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1772 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1773 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1774 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1775 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1776 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1777 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1778 /* NB: handled specially below */
1779 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1780 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1785 modeflags = chanflags[mode];
1786 for (i = 0; i < ic->ic_nchans; i++) {
1787 struct ieee80211_channel *c = &ic->ic_channels[i];
1789 if (c->ic_ieee != ieee)
1791 if (mode == IEEE80211_MODE_AUTO) {
1792 /* ignore turbo channels for autoselect */
1793 if (IEEE80211_IS_CHAN_TURBO(c))
1796 * XXX special-case 11b/g channels so we
1797 * always select the g channel if both
1799 * XXX prefer HT to non-HT?
1801 if (!IEEE80211_IS_CHAN_B(c) ||
1802 !find11gchannel(ic, i, c->ic_freq))
1805 /* must check HT specially */
1806 if ((mode == IEEE80211_MODE_11NA ||
1807 mode == IEEE80211_MODE_11NG) &&
1808 !IEEE80211_IS_CHAN_HT(c))
1810 if ((c->ic_flags & modeflags) == modeflags)
1818 * Check the specified against any desired mode (aka netband).
1819 * This is only used (presently) when operating in hostap mode
1820 * to enforce consistency.
1823 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1825 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1828 case IEEE80211_MODE_11B:
1829 return (IEEE80211_IS_CHAN_B(c));
1830 case IEEE80211_MODE_11G:
1831 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1832 case IEEE80211_MODE_11A:
1833 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1834 case IEEE80211_MODE_STURBO_A:
1835 return (IEEE80211_IS_CHAN_STURBO(c));
1836 case IEEE80211_MODE_11NA:
1837 return (IEEE80211_IS_CHAN_HTA(c));
1838 case IEEE80211_MODE_11NG:
1839 return (IEEE80211_IS_CHAN_HTG(c));
1846 * Common code to set the current channel. If the device
1847 * is up and running this may result in an immediate channel
1848 * change or a kick of the state machine.
1851 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1853 struct ieee80211com *ic = vap->iv_ic;
1856 if (c != IEEE80211_CHAN_ANYC) {
1857 if (IEEE80211_IS_CHAN_RADAR(c))
1858 return EBUSY; /* XXX better code? */
1859 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1860 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1862 if (!check_mode_consistency(c, vap->iv_des_mode))
1864 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1865 if (IEEE80211_IS_CHAN_NOADHOC(c))
1868 if (vap->iv_state == IEEE80211_S_RUN &&
1869 vap->iv_bss->ni_chan == c)
1870 return 0; /* NB: nothing to do */
1872 vap->iv_des_chan = c;
1875 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1876 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1878 * Monitor mode can switch directly.
1880 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1881 /* XXX need state machine for other vap's to follow */
1882 ieee80211_setcurchan(ic, vap->iv_des_chan);
1883 vap->iv_bss->ni_chan = ic->ic_curchan;
1885 ic->ic_curchan = vap->iv_des_chan;
1886 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1889 * Need to go through the state machine in case we
1890 * need to reassociate or the like. The state machine
1891 * will pickup the desired channel and avoid scanning.
1893 if (IS_UP_AUTO(vap))
1894 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1895 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1897 * When not up+running and a real channel has
1898 * been specified fix the current channel so
1899 * there is immediate feedback; e.g. via ifconfig.
1901 ic->ic_curchan = vap->iv_des_chan;
1902 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1909 * Old api for setting the current channel; this is
1910 * deprecated because channel numbers are ambiguous.
1912 static __noinline int
1913 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
1914 const struct ieee80211req *ireq)
1916 struct ieee80211com *ic = vap->iv_ic;
1917 struct ieee80211_channel *c;
1919 /* XXX 0xffff overflows 16-bit signed */
1920 if (ireq->i_val == 0 ||
1921 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
1922 c = IEEE80211_CHAN_ANYC;
1924 struct ieee80211_channel *c2;
1926 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
1928 c = findchannel(ic, ireq->i_val,
1929 IEEE80211_MODE_AUTO);
1934 * Fine tune channel selection based on desired mode:
1935 * if 11b is requested, find the 11b version of any
1936 * 11g channel returned,
1937 * if static turbo, find the turbo version of any
1938 * 11a channel return,
1939 * if 11na is requested, find the ht version of any
1940 * 11a channel returned,
1941 * if 11ng is requested, find the ht version of any
1942 * 11g channel returned,
1943 * otherwise we should be ok with what we've got.
1945 switch (vap->iv_des_mode) {
1946 case IEEE80211_MODE_11B:
1947 if (IEEE80211_IS_CHAN_ANYG(c)) {
1948 c2 = findchannel(ic, ireq->i_val,
1949 IEEE80211_MODE_11B);
1950 /* NB: should not happen, =>'s 11g w/o 11b */
1955 case IEEE80211_MODE_TURBO_A:
1956 if (IEEE80211_IS_CHAN_A(c)) {
1957 c2 = findchannel(ic, ireq->i_val,
1958 IEEE80211_MODE_TURBO_A);
1963 case IEEE80211_MODE_11NA:
1964 if (IEEE80211_IS_CHAN_A(c)) {
1965 c2 = findchannel(ic, ireq->i_val,
1966 IEEE80211_MODE_11NA);
1971 case IEEE80211_MODE_11NG:
1972 if (IEEE80211_IS_CHAN_ANYG(c)) {
1973 c2 = findchannel(ic, ireq->i_val,
1974 IEEE80211_MODE_11NG);
1979 default: /* NB: no static turboG */
1983 return setcurchan(vap, c);
1987 * New/current api for setting the current channel; a complete
1988 * channel description is provide so there is no ambiguity in
1989 * identifying the channel.
1991 static __noinline int
1992 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
1993 const struct ieee80211req *ireq)
1995 struct ieee80211com *ic = vap->iv_ic;
1996 struct ieee80211_channel chan, *c;
1999 if (ireq->i_len != sizeof(chan))
2001 error = copyin(ireq->i_data, &chan, sizeof(chan));
2004 /* XXX 0xffff overflows 16-bit signed */
2005 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2006 c = IEEE80211_CHAN_ANYC;
2008 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2012 return setcurchan(vap, c);
2015 static __noinline int
2016 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2017 const struct ieee80211req *ireq)
2019 struct ieee80211_regdomain_req *reg;
2022 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2023 sizeof(struct ieee80211_channel));
2024 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2025 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2026 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2027 ireq->i_len, nchans);
2030 reg = (struct ieee80211_regdomain_req *)
2031 kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT);
2033 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2034 "%s: no memory, nchans %d\n", __func__, nchans);
2037 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2039 /* NB: validate inline channel count against storage size */
2040 if (reg->chaninfo.ic_nchans != nchans) {
2041 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2042 "%s: chan cnt mismatch, %d != %d\n", __func__,
2043 reg->chaninfo.ic_nchans, nchans);
2046 error = ieee80211_setregdomain(vap, reg);
2050 return (error == 0 ? ENETRESET : error);
2054 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2055 const struct ieee80211req *ireq)
2057 if (ireq->i_len != sizeof(vap->iv_roamparms))
2059 /* XXX validate params */
2060 /* XXX? ENETRESET to push to device? */
2061 return copyin(ireq->i_data, vap->iv_roamparms,
2062 sizeof(vap->iv_roamparms));
2066 checkrate(const struct ieee80211_rateset *rs, int rate)
2070 if (rate == IEEE80211_FIXED_RATE_NONE)
2072 for (i = 0; i < rs->rs_nrates; i++)
2073 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2081 if (mcs == IEEE80211_FIXED_RATE_NONE)
2083 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2085 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2088 static __noinline int
2089 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2090 const struct ieee80211req *ireq)
2092 struct ieee80211com *ic = vap->iv_ic;
2093 struct ieee80211_txparams_req parms; /* XXX stack use? */
2094 struct ieee80211_txparam *src, *dst;
2095 const struct ieee80211_rateset *rs;
2096 int error, mode, changed, is11n, nmodes;
2098 /* NB: accept short requests for backwards compat */
2099 if (ireq->i_len > sizeof(parms))
2101 error = copyin(ireq->i_data, &parms, ireq->i_len);
2104 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2106 /* validate parameters and check if anything changed */
2107 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2108 if (isclr(ic->ic_modecaps, mode))
2110 src = &parms.params[mode];
2111 dst = &vap->iv_txparms[mode];
2112 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2113 is11n = (mode == IEEE80211_MODE_11NA ||
2114 mode == IEEE80211_MODE_11NG);
2115 if (src->ucastrate != dst->ucastrate) {
2116 if (!checkrate(rs, src->ucastrate) &&
2117 (!is11n || !checkmcs(src->ucastrate)))
2121 if (src->mcastrate != dst->mcastrate) {
2122 if (!checkrate(rs, src->mcastrate) &&
2123 (!is11n || !checkmcs(src->mcastrate)))
2127 if (src->mgmtrate != dst->mgmtrate) {
2128 if (!checkrate(rs, src->mgmtrate) &&
2129 (!is11n || !checkmcs(src->mgmtrate)))
2133 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2138 * Copy new parameters in place and notify the
2139 * driver so it can push state to the device.
2141 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2142 if (isset(ic->ic_modecaps, mode))
2143 vap->iv_txparms[mode] = parms.params[mode];
2145 /* XXX could be more intelligent,
2146 e.g. don't reset if setting not being used */
2153 * Application Information Element support.
2156 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2158 struct ieee80211_appie *app = *aie;
2159 struct ieee80211_appie *napp;
2162 if (ireq->i_len == 0) { /* delete any existing ie */
2164 *aie = NULL; /* XXX racey */
2165 kfree(app, M_80211_NODE_IE);
2169 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2172 * Allocate a new appie structure and copy in the user data.
2173 * When done swap in the new structure. Note that we do not
2174 * guard against users holding a ref to the old structure;
2175 * this must be handled outside this code.
2179 napp = (struct ieee80211_appie *) kmalloc(
2180 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2184 /* XXX holding ic lock */
2185 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2187 kfree(napp, M_80211_NODE_IE);
2190 napp->ie_len = ireq->i_len;
2193 kfree(app, M_80211_NODE_IE);
2198 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2200 /* validate data is present as best we can */
2201 if (space == 0 || 2+ie[1] > space)
2203 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2204 vap->iv_wpa_ie = ie;
2205 else if (ie[0] == IEEE80211_ELEMID_RSN)
2206 vap->iv_rsn_ie = ie;
2209 static __noinline int
2210 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2211 const struct ieee80211req *ireq, int fc0)
2215 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2216 case IEEE80211_FC0_SUBTYPE_BEACON:
2217 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2218 vap->iv_opmode != IEEE80211_M_IBSS) {
2222 error = setappie(&vap->iv_appie_beacon, ireq);
2224 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2226 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2227 error = setappie(&vap->iv_appie_proberesp, ireq);
2229 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2230 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2231 error = setappie(&vap->iv_appie_assocresp, ireq);
2235 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2236 error = setappie(&vap->iv_appie_probereq, ireq);
2238 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2239 if (vap->iv_opmode == IEEE80211_M_STA)
2240 error = setappie(&vap->iv_appie_assocreq, ireq);
2244 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2245 error = setappie(&vap->iv_appie_wpa, ireq);
2248 * Must split single blob of data into separate
2249 * WPA and RSN ie's because they go in different
2250 * locations in the mgt frames.
2251 * XXX use IEEE80211_IOC_WPA2 so user code does split
2253 vap->iv_wpa_ie = NULL;
2254 vap->iv_rsn_ie = NULL;
2255 if (vap->iv_appie_wpa != NULL) {
2256 struct ieee80211_appie *appie =
2258 uint8_t *data = appie->ie_data;
2260 /* XXX ie length validate is painful, cheat */
2261 setwparsnie(vap, data, appie->ie_len);
2262 setwparsnie(vap, data + 2 + data[1],
2263 appie->ie_len - (2 + data[1]));
2265 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2266 vap->iv_opmode == IEEE80211_M_IBSS) {
2268 * Must rebuild beacon frame as the update
2269 * mechanism doesn't handle WPA/RSN ie's.
2270 * Could extend it but it doesn't normally
2271 * change; this is just to deal with hostapd
2272 * plumbing the ie after the interface is up.
2285 static __noinline int
2286 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2287 const struct ieee80211req *ireq)
2289 struct ieee80211com *ic = vap->iv_ic;
2294 fc0 = ireq->i_val & 0xff;
2295 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2297 /* NB: could check iv_opmode and reject but hardly worth the effort */
2298 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2302 static __noinline int
2303 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2305 struct ieee80211com *ic = vap->iv_ic;
2306 struct ieee80211_chanswitch_req csr;
2307 struct ieee80211_channel *c;
2310 if (ireq->i_len != sizeof(csr))
2312 error = copyin(ireq->i_data, &csr, sizeof(csr));
2315 /* XXX adhoc mode not supported */
2316 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2317 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2319 c = ieee80211_find_channel(ic,
2320 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2323 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2324 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2325 else if (csr.csa_count == 0)
2326 ieee80211_csa_cancelswitch(ic);
2332 static __noinline int
2333 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2335 #define IEEE80211_IOC_SCAN_FLAGS \
2336 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2337 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2338 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2339 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2340 IEEE80211_IOC_SCAN_CHECK)
2341 struct ieee80211com *ic = vap->iv_ic;
2342 struct ieee80211_scan_req sr; /* XXX off stack? */
2345 /* NB: parent must be running */
2346 if ((ic->ic_ifp->if_flags & IFF_RUNNING) == 0)
2349 if (ireq->i_len != sizeof(sr))
2351 error = copyin(ireq->i_data, &sr, sizeof(sr));
2354 /* convert duration */
2355 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2356 sr.sr_duration = IEEE80211_SCAN_FOREVER;
2358 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2359 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2361 sr.sr_duration = msecs_to_ticks(sr.sr_duration);
2362 if (sr.sr_duration < 1)
2365 /* convert min/max channel dwell */
2366 if (sr.sr_mindwell != 0) {
2367 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell);
2368 if (sr.sr_mindwell < 1)
2371 if (sr.sr_maxdwell != 0) {
2372 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell);
2373 if (sr.sr_maxdwell < 1)
2376 /* NB: silently reduce ssid count to what is supported */
2377 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID)
2378 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID;
2379 for (i = 0; i < sr.sr_nssid; i++)
2380 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN)
2382 /* cleanse flags just in case, could reject if invalid flags */
2383 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2385 * Add an implicit NOPICK if the vap is not marked UP. This
2386 * allows applications to scan without joining a bss (or picking
2387 * a channel and setting up a bss) and without forcing manual
2388 * roaming mode--you just need to mark the parent device UP.
2390 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2391 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2393 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2394 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2395 __func__, sr.sr_flags,
2396 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2397 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid);
2399 * If we are in INIT state then the driver has never had a chance
2400 * to setup hardware state to do a scan; we must use the state
2401 * machine to get us up to the SCAN state but once we reach SCAN
2402 * state we then want to use the supplied params. Stash the
2403 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2404 * state machines will recognize this and use the stashed params
2405 * to issue the scan request.
2407 * Otherwise just invoke the scan machinery directly.
2409 if (vap->iv_state == IEEE80211_S_INIT) {
2410 /* NB: clobbers previous settings */
2411 vap->iv_scanreq_flags = sr.sr_flags;
2412 vap->iv_scanreq_duration = sr.sr_duration;
2413 vap->iv_scanreq_nssid = sr.sr_nssid;
2414 for (i = 0; i < sr.sr_nssid; i++) {
2415 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len;
2416 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid,
2419 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2420 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2422 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2423 /* XXX neeed error return codes */
2424 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2425 (void) ieee80211_check_scan(vap, sr.sr_flags,
2426 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell,
2428 /* NB: cheat, we assume structures are compatible */
2429 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]);
2431 (void) ieee80211_start_scan(vap, sr.sr_flags,
2432 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell,
2434 /* NB: cheat, we assume structures are compatible */
2435 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]);
2439 #undef IEEE80211_IOC_SCAN_FLAGS
2442 static __noinline int
2443 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2445 struct ieee80211_node *ni;
2446 struct ieee80211req_sta_vlan vlan;
2449 if (ireq->i_len != sizeof(vlan))
2451 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2454 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2455 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2460 ni = ieee80211_ref_node(vap->iv_bss);
2461 ni->ni_vlan = vlan.sv_vlan;
2462 ieee80211_free_node(ni);
2467 isvap11g(const struct ieee80211vap *vap)
2469 const struct ieee80211_node *bss = vap->iv_bss;
2470 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2471 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2475 isvapht(const struct ieee80211vap *vap)
2477 const struct ieee80211_node *bss = vap->iv_bss;
2478 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2479 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2483 * Dummy ioctl set handler so the linker set is defined.
2486 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2490 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2493 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2495 ieee80211_ioctl_setfunc * const *set;
2498 SET_FOREACH(set, ieee80211_ioctl_setset) {
2499 error = (*set)(vap, ireq);
2500 if (error != ENOSYS)
2506 static __noinline int
2507 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2509 struct ieee80211com *ic = vap->iv_ic;
2511 const struct ieee80211_authenticator *auth;
2512 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2513 char tmpssid[IEEE80211_NWID_LEN];
2514 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2515 struct ieee80211_key *k;
2520 switch (ireq->i_type) {
2521 case IEEE80211_IOC_SSID:
2522 if (ireq->i_val != 0 ||
2523 ireq->i_len > IEEE80211_NWID_LEN)
2525 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2528 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2529 vap->iv_des_ssid[0].len = ireq->i_len;
2530 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2531 vap->iv_des_nssid = (ireq->i_len > 0);
2534 case IEEE80211_IOC_WEP:
2535 switch (ireq->i_val) {
2536 case IEEE80211_WEP_OFF:
2537 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2538 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2540 case IEEE80211_WEP_ON:
2541 vap->iv_flags |= IEEE80211_F_PRIVACY;
2542 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2544 case IEEE80211_WEP_MIXED:
2545 vap->iv_flags |= IEEE80211_F_PRIVACY;
2546 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2551 case IEEE80211_IOC_WEPKEY:
2552 kid = (u_int) ireq->i_val;
2553 if (kid >= IEEE80211_WEP_NKID)
2555 k = &vap->iv_nw_keys[kid];
2556 if (ireq->i_len == 0) {
2557 /* zero-len =>'s delete any existing key */
2558 (void) ieee80211_crypto_delkey(vap, k);
2561 if (ireq->i_len > sizeof(tmpkey))
2563 memset(tmpkey, 0, sizeof(tmpkey));
2564 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2567 ieee80211_key_update_begin(vap);
2568 k->wk_keyix = kid; /* NB: force fixed key id */
2569 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2570 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2571 k->wk_keylen = ireq->i_len;
2572 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2573 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2574 if (!ieee80211_crypto_setkey(vap, k))
2578 ieee80211_key_update_end(vap);
2580 case IEEE80211_IOC_WEPTXKEY:
2581 kid = (u_int) ireq->i_val;
2582 if (kid >= IEEE80211_WEP_NKID &&
2583 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2585 vap->iv_def_txkey = kid;
2587 case IEEE80211_IOC_AUTHMODE:
2588 switch (ireq->i_val) {
2589 case IEEE80211_AUTH_WPA:
2590 case IEEE80211_AUTH_8021X: /* 802.1x */
2591 case IEEE80211_AUTH_OPEN: /* open */
2592 case IEEE80211_AUTH_SHARED: /* shared-key */
2593 case IEEE80211_AUTH_AUTO: /* auto */
2594 auth = ieee80211_authenticator_get(ireq->i_val);
2601 switch (ireq->i_val) {
2602 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2603 vap->iv_flags |= IEEE80211_F_PRIVACY;
2604 ireq->i_val = IEEE80211_AUTH_8021X;
2606 case IEEE80211_AUTH_OPEN: /* open */
2607 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2609 case IEEE80211_AUTH_SHARED: /* shared-key */
2610 case IEEE80211_AUTH_8021X: /* 802.1x */
2611 vap->iv_flags &= ~IEEE80211_F_WPA;
2612 /* both require a key so mark the PRIVACY capability */
2613 vap->iv_flags |= IEEE80211_F_PRIVACY;
2615 case IEEE80211_AUTH_AUTO: /* auto */
2616 vap->iv_flags &= ~IEEE80211_F_WPA;
2617 /* XXX PRIVACY handling? */
2618 /* XXX what's the right way to do this? */
2621 /* NB: authenticator attach/detach happens on state change */
2622 vap->iv_bss->ni_authmode = ireq->i_val;
2623 /* XXX mixed/mode/usage? */
2624 vap->iv_auth = auth;
2627 case IEEE80211_IOC_CHANNEL:
2628 error = ieee80211_ioctl_setchannel(vap, ireq);
2630 case IEEE80211_IOC_POWERSAVE:
2631 switch (ireq->i_val) {
2632 case IEEE80211_POWERSAVE_OFF:
2633 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2634 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2638 case IEEE80211_POWERSAVE_ON:
2639 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2641 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2642 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2651 case IEEE80211_IOC_POWERSAVESLEEP:
2652 if (ireq->i_val < 0)
2654 ic->ic_lintval = ireq->i_val;
2657 case IEEE80211_IOC_RTSTHRESHOLD:
2658 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2659 ireq->i_val <= IEEE80211_RTS_MAX))
2661 vap->iv_rtsthreshold = ireq->i_val;
2664 case IEEE80211_IOC_PROTMODE:
2665 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2667 ic->ic_protmode = ireq->i_val;
2668 /* NB: if not operating in 11g this can wait */
2669 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2670 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2673 case IEEE80211_IOC_TXPOWER:
2674 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2676 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2677 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2679 ic->ic_txpowlimit = ireq->i_val;
2682 case IEEE80211_IOC_ROAMING:
2683 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2684 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2686 vap->iv_roaming = ireq->i_val;
2689 case IEEE80211_IOC_PRIVACY:
2691 /* XXX check for key state? */
2692 vap->iv_flags |= IEEE80211_F_PRIVACY;
2694 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2697 case IEEE80211_IOC_DROPUNENCRYPTED:
2699 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2701 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2704 case IEEE80211_IOC_WPAKEY:
2705 error = ieee80211_ioctl_setkey(vap, ireq);
2707 case IEEE80211_IOC_DELKEY:
2708 error = ieee80211_ioctl_delkey(vap, ireq);
2710 case IEEE80211_IOC_MLME:
2711 error = ieee80211_ioctl_setmlme(vap, ireq);
2713 case IEEE80211_IOC_COUNTERMEASURES:
2715 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2717 vap->iv_flags |= IEEE80211_F_COUNTERM;
2719 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2722 case IEEE80211_IOC_WPA:
2723 if (ireq->i_val > 3)
2725 /* XXX verify ciphers available */
2726 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2727 switch (ireq->i_val) {
2729 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2731 flags |= IEEE80211_F_WPA1;
2734 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2736 flags |= IEEE80211_F_WPA2;
2739 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2741 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2743 default: /* Can't set any -> error */
2746 vap->iv_flags = flags;
2747 error = ERESTART; /* NB: can change beacon frame */
2749 case IEEE80211_IOC_WME:
2751 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2753 ieee80211_syncflag(vap, IEEE80211_F_WME);
2755 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2756 error = ERESTART; /* NB: can change beacon frame */
2758 case IEEE80211_IOC_HIDESSID:
2760 vap->iv_flags |= IEEE80211_F_HIDESSID;
2762 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2763 error = ERESTART; /* XXX ENETRESET? */
2765 case IEEE80211_IOC_APBRIDGE:
2766 if (ireq->i_val == 0)
2767 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2769 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2771 case IEEE80211_IOC_BSSID:
2772 if (ireq->i_len != sizeof(tmpbssid))
2774 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2777 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2778 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2779 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2781 vap->iv_flags |= IEEE80211_F_DESBSSID;
2784 case IEEE80211_IOC_CHANLIST:
2785 error = ieee80211_ioctl_setchanlist(vap, ireq);
2787 #define OLD_IEEE80211_IOC_SCAN_REQ 23
2788 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
2789 case OLD_IEEE80211_IOC_SCAN_REQ:
2790 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2791 "%s: active scan request\n", __func__);
2793 * If we are in INIT state then the driver has never
2794 * had a chance to setup hardware state to do a scan;
2795 * use the state machine to get us up the SCAN state.
2796 * Otherwise just invoke the scan machinery to start
2799 if (vap->iv_state == IEEE80211_S_INIT)
2800 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2802 (void) ieee80211_start_scan(vap,
2803 IEEE80211_SCAN_ACTIVE |
2804 IEEE80211_SCAN_NOPICK |
2805 IEEE80211_SCAN_ONCE,
2806 IEEE80211_SCAN_FOREVER, 0, 0,
2807 /* XXX use ioctl params */
2808 vap->iv_des_nssid, vap->iv_des_ssid);
2810 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2811 case IEEE80211_IOC_SCAN_REQ:
2812 error = ieee80211_ioctl_scanreq(vap, ireq);
2814 case IEEE80211_IOC_SCAN_CANCEL:
2815 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2816 "%s: cancel scan\n", __func__);
2817 ieee80211_cancel_scan(vap);
2819 case IEEE80211_IOC_HTCONF:
2820 if (ireq->i_val & 1)
2821 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2823 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2824 if (ireq->i_val & 2)
2825 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2827 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2830 case IEEE80211_IOC_ADDMAC:
2831 case IEEE80211_IOC_DELMAC:
2832 error = ieee80211_ioctl_macmac(vap, ireq);
2834 case IEEE80211_IOC_MACCMD:
2835 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2837 case IEEE80211_IOC_STA_STATS:
2838 error = ieee80211_ioctl_setstastats(vap, ireq);
2840 case IEEE80211_IOC_STA_TXPOW:
2841 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2843 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2844 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2845 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2846 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
2847 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
2848 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
2849 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2851 case IEEE80211_IOC_DTIM_PERIOD:
2852 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2853 vap->iv_opmode != IEEE80211_M_MBSS &&
2854 vap->iv_opmode != IEEE80211_M_IBSS)
2856 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2857 ireq->i_val <= IEEE80211_DTIM_MAX) {
2858 vap->iv_dtim_period = ireq->i_val;
2859 error = ENETRESET; /* requires restart */
2863 case IEEE80211_IOC_BEACON_INTERVAL:
2864 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2865 vap->iv_opmode != IEEE80211_M_MBSS &&
2866 vap->iv_opmode != IEEE80211_M_IBSS)
2868 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2869 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2870 ic->ic_bintval = ireq->i_val;
2871 error = ENETRESET; /* requires restart */
2875 case IEEE80211_IOC_PUREG:
2877 vap->iv_flags |= IEEE80211_F_PUREG;
2879 vap->iv_flags &= ~IEEE80211_F_PUREG;
2880 /* NB: reset only if we're operating on an 11g channel */
2884 case IEEE80211_IOC_BGSCAN:
2886 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
2888 vap->iv_flags |= IEEE80211_F_BGSCAN;
2890 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
2892 case IEEE80211_IOC_BGSCAN_IDLE:
2893 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
2894 vap->iv_bgscanidle = ireq->i_val*hz/1000;
2898 case IEEE80211_IOC_BGSCAN_INTERVAL:
2899 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
2900 vap->iv_bgscanintvl = ireq->i_val*hz;
2904 case IEEE80211_IOC_SCANVALID:
2905 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
2906 vap->iv_scanvalid = ireq->i_val*hz;
2910 case IEEE80211_IOC_FRAGTHRESHOLD:
2911 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
2912 ireq->i_val != IEEE80211_FRAG_MAX)
2914 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
2915 ireq->i_val <= IEEE80211_FRAG_MAX))
2917 vap->iv_fragthreshold = ireq->i_val;
2920 case IEEE80211_IOC_BURST:
2922 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
2924 ieee80211_syncflag(vap, IEEE80211_F_BURST);
2926 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
2929 case IEEE80211_IOC_BMISSTHRESHOLD:
2930 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
2931 ireq->i_val <= IEEE80211_HWBMISS_MAX))
2933 vap->iv_bmissthreshold = ireq->i_val;
2936 case IEEE80211_IOC_CURCHAN:
2937 error = ieee80211_ioctl_setcurchan(vap, ireq);
2939 case IEEE80211_IOC_SHORTGI:
2941 #define IEEE80211_HTCAP_SHORTGI \
2942 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
2943 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
2945 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
2946 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
2947 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
2948 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
2949 #undef IEEE80211_HTCAP_SHORTGI
2952 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
2955 case IEEE80211_IOC_AMPDU:
2956 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
2958 if (ireq->i_val & 1)
2959 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
2961 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
2962 if (ireq->i_val & 2)
2963 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
2965 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
2966 /* NB: reset only if we're operating on an 11n channel */
2970 case IEEE80211_IOC_AMPDU_LIMIT:
2971 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
2972 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
2974 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2975 vap->iv_ampdu_rxmax = ireq->i_val;
2977 vap->iv_ampdu_limit = ireq->i_val;
2980 case IEEE80211_IOC_AMPDU_DENSITY:
2981 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
2982 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
2984 vap->iv_ampdu_density = ireq->i_val;
2987 case IEEE80211_IOC_AMSDU:
2988 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
2990 if (ireq->i_val & 1)
2991 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
2993 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
2994 if (ireq->i_val & 2)
2995 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
2997 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
2998 /* NB: reset only if we're operating on an 11n channel */
3002 case IEEE80211_IOC_AMSDU_LIMIT:
3004 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3006 case IEEE80211_IOC_PUREN:
3008 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3010 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3012 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3013 /* NB: reset only if we're operating on an 11n channel */
3017 case IEEE80211_IOC_DOTH:
3020 /* XXX no capability */
3021 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3024 vap->iv_flags |= IEEE80211_F_DOTH;
3026 vap->iv_flags &= ~IEEE80211_F_DOTH;
3029 case IEEE80211_IOC_REGDOMAIN:
3030 error = ieee80211_ioctl_setregdomain(vap, ireq);
3032 case IEEE80211_IOC_ROAM:
3033 error = ieee80211_ioctl_setroam(vap, ireq);
3035 case IEEE80211_IOC_TXPARAMS:
3036 error = ieee80211_ioctl_settxparams(vap, ireq);
3038 case IEEE80211_IOC_HTCOMPAT:
3040 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3042 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3044 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3045 /* NB: reset only if we're operating on an 11n channel */
3049 case IEEE80211_IOC_DWDS:
3051 /* NB: DWDS only makes sense for WDS-capable devices */
3052 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3054 /* NB: DWDS is used only with ap+sta vaps */
3055 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3056 vap->iv_opmode != IEEE80211_M_STA)
3058 vap->iv_flags |= IEEE80211_F_DWDS;
3059 if (vap->iv_opmode == IEEE80211_M_STA)
3060 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3062 vap->iv_flags &= ~IEEE80211_F_DWDS;
3063 if (vap->iv_opmode == IEEE80211_M_STA)
3064 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3067 case IEEE80211_IOC_INACTIVITY:
3069 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3071 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3073 case IEEE80211_IOC_APPIE:
3074 error = ieee80211_ioctl_setappie(vap, ireq);
3076 case IEEE80211_IOC_WPS:
3078 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3080 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3082 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3084 case IEEE80211_IOC_TSN:
3086 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3088 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3090 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3092 case IEEE80211_IOC_CHANSWITCH:
3093 error = ieee80211_ioctl_chanswitch(vap, ireq);
3095 case IEEE80211_IOC_DFS:
3097 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3099 /* NB: DFS requires 11h support */
3100 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3102 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3104 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3106 case IEEE80211_IOC_DOTD:
3108 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3110 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3111 if (vap->iv_opmode == IEEE80211_M_STA)
3114 case IEEE80211_IOC_HTPROTMODE:
3115 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3117 ic->ic_htprotmode = ireq->i_val ?
3118 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3119 /* NB: if not operating in 11n this can wait */
3123 case IEEE80211_IOC_STA_VLAN:
3124 error = ieee80211_ioctl_setstavlan(vap, ireq);
3126 case IEEE80211_IOC_SMPS:
3127 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3128 ireq->i_val == 0x0008) /* value of 2 is reserved */
3130 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3131 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3133 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3135 /* NB: if not operating in 11n this can wait */
3139 case IEEE80211_IOC_RIFS:
3140 if (ireq->i_val != 0) {
3141 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3143 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3145 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3146 /* NB: if not operating in 11n this can wait */
3151 error = ieee80211_ioctl_setdefault(vap, ireq);
3155 * The convention is that ENETRESET means an operation
3156 * requires a complete re-initialization of the device (e.g.
3157 * changing something that affects the association state).
3158 * ERESTART means the request may be handled with only a
3159 * reload of the hardware state. We hand ERESTART requests
3160 * to the iv_reset callback so the driver can decide. If
3161 * a device does not fillin iv_reset then it defaults to one
3162 * that returns ENETRESET. Otherwise a driver may return
3163 * ENETRESET (in which case a full reset will be done) or
3164 * 0 to mean there's no need to do anything (e.g. when the
3165 * change has no effect on the driver/device).
3167 if (error == ERESTART)
3168 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3169 vap->iv_reset(vap, ireq->i_type) : 0;
3170 if (error == ENETRESET) {
3171 /* XXX need to re-think AUTO handling */
3172 if (IS_UP_AUTO(vap))
3173 ieee80211_init(vap);
3180 * Rebuild the parent's multicast address list after an add/del
3181 * of a multicast address for a vap. We have no way to tell
3182 * what happened above to optimize the work so we purge the entire
3183 * list and rebuild from scratch. This is way expensive.
3184 * Note also the half-baked workaround for if_addmulti calling
3185 * back to the parent device; there's no way to insert mcast
3186 * entries quietly and/or cheaply.
3189 ieee80211_ioctl_updatemulti(struct ieee80211com *ic)
3191 struct ifnet *parent = ic->ic_ifp;
3192 struct ieee80211vap *vap;
3195 if_delallmulti(parent);
3196 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */
3197 parent->if_ioctl = NULL;
3198 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
3199 struct ifnet *ifp = vap->iv_ifp;
3200 struct ifmultiaddr *ifma;
3202 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
3203 if (ifma->ifma_addr->sa_family != AF_LINK)
3205 (void) if_addmulti(parent, ifma->ifma_addr, NULL);
3208 parent->if_ioctl = ioctl;
3209 ieee80211_runtask(ic, &ic->ic_mcast_task);
3213 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred)
3215 struct ieee80211vap *vap = ifp->if_softc;
3216 struct ieee80211com *ic = vap->iv_ic;
3219 struct ifaddr *ifa; /* XXX */
3223 ieee80211_syncifflag_locked(ic, IFF_PROMISC);
3224 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI);
3225 if (ifp->if_flags & IFF_UP) {
3227 * Bring ourself up unless we're already operational.
3228 * If we're the first vap and the parent is not up
3229 * then it will automatically be brought up as a
3230 * side-effect of bringing ourself up.
3232 if (vap->iv_state == IEEE80211_S_INIT)
3233 ieee80211_start_locked(vap);
3234 } else if (ifp->if_flags & IFF_RUNNING) {
3236 * Stop ourself. If we are the last vap to be
3237 * marked down the parent will also be taken down.
3239 ieee80211_stop_locked(vap);
3241 /* Wait for parent ioctl handler if it was queued */
3242 ieee80211_waitfor_parent(ic);
3246 ieee80211_ioctl_updatemulti(ic);
3250 ifr = (struct ifreq *)data;
3251 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3254 error = ieee80211_ioctl_get80211(vap, cmd,
3255 (struct ieee80211req *) data);
3258 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3260 error = ieee80211_ioctl_set80211(vap, cmd,
3261 (struct ieee80211req *) data);
3263 case SIOCG80211STATS:
3264 ifr = (struct ifreq *)data;
3265 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3268 ifr = (struct ifreq *)data;
3269 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3270 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3273 ifp->if_mtu = ifr->ifr_mtu;
3277 * XXX Handle this directly so we can supress if_init calls.
3278 * XXX This should be done in ether_ioctl but for the moment
3279 * XXX there are too many other parts of the system that
3280 * XXX set IFF_UP and so supress if_init being called when
3283 ifa = (struct ifaddr *) data;
3284 switch (ifa->ifa_addr->sa_family) {
3287 if ((ifp->if_flags & IFF_UP) == 0) {
3288 ifp->if_flags |= IFF_UP;
3289 ifp->if_init(ifp->if_softc);
3291 arp_ifinit(ifp, ifa);
3296 * XXX - This code is probably wrong,
3297 * but has been copied many times.
3300 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
3302 if (ipx_nullhost(*ina))
3303 ina->x_host = *(union ipx_host *)
3306 bcopy((caddr_t) ina->x_host.c_host,
3307 (caddr_t) IF_LLADDR(ifp),
3313 if ((ifp->if_flags & IFF_UP) == 0) {
3314 ifp->if_flags |= IFF_UP;
3315 ifp->if_init(ifp->if_softc);
3320 /* Pass NDIS ioctls up to the driver */
3323 case SIOCGPRIVATE_0: {
3324 struct ifnet *parent = vap->iv_ic->ic_ifp;
3325 error = parent->if_ioctl(parent, cmd, data, ucred);
3329 error = ether_ioctl(ifp, cmd, data);