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.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
31 * IEEE 802.11 ioctl support (FreeBSD-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_dl.h>
48 #include <net/if_media.h>
49 #include <net/ethernet.h>
52 #include <netinet/in.h>
53 #include <netinet/if_ether.h>
57 #include <netipx/ipx.h>
58 #include <netipx/ipx_if.h>
61 #include <net80211/ieee80211_var.h>
62 #include <net80211/ieee80211_ioctl.h>
63 #include <net80211/ieee80211_regdomain.h>
64 #include <net80211/ieee80211_input.h>
66 #define IS_UP_AUTO(_vap) \
67 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
68 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
70 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
71 static struct ieee80211_channel *findchannel(struct ieee80211com *,
75 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
77 struct ieee80211com *ic = vap->iv_ic;
78 struct ieee80211_node *ni;
79 struct ieee80211req_key ik;
80 struct ieee80211_key *wk;
81 const struct ieee80211_cipher *cip;
85 if (ireq->i_len != sizeof(ik))
87 error = copyin(ireq->i_data, &ik, sizeof(ik));
91 if (kid == IEEE80211_KEYIX_NONE) {
92 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
95 wk = &ni->ni_ucastkey;
97 if (kid >= IEEE80211_WEP_NKID)
99 wk = &vap->iv_nw_keys[kid];
100 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
104 ik.ik_type = cip->ic_cipher;
105 ik.ik_keylen = wk->wk_keylen;
106 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
107 if (wk->wk_keyix == vap->iv_def_txkey)
108 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
109 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
110 /* NB: only root can read key data */
111 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
112 ik.ik_keytsc = wk->wk_keytsc;
113 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
114 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
115 memcpy(ik.ik_keydata+wk->wk_keylen,
116 wk->wk_key + IEEE80211_KEYBUF_SIZE,
117 IEEE80211_MICBUF_SIZE);
118 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
123 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
126 ieee80211_free_node(ni);
127 return copyout(&ik, ireq->i_data, sizeof(ik));
130 static __noinline int
131 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
133 struct ieee80211com *ic = vap->iv_ic;
135 if (sizeof(ic->ic_chan_active) < ireq->i_len)
136 ireq->i_len = sizeof(ic->ic_chan_active);
137 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
140 static __noinline int
141 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
143 struct ieee80211com *ic = vap->iv_ic;
146 space = __offsetof(struct ieee80211req_chaninfo,
147 ic_chans[ic->ic_nchans]);
148 if (space > ireq->i_len)
150 /* XXX assumes compatible layout */
151 return copyout(&ic->ic_nchans, ireq->i_data, space);
154 static __noinline int
155 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
156 struct ieee80211req *ireq, int req)
158 struct ieee80211_node *ni;
159 struct ieee80211req_wpaie2 wpaie;
162 if (ireq->i_len < IEEE80211_ADDR_LEN)
164 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
167 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr);
170 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
171 if (ni->ni_ies.wpa_ie != NULL) {
172 int ielen = ni->ni_ies.wpa_ie[1] + 2;
173 if (ielen > sizeof(wpaie.wpa_ie))
174 ielen = sizeof(wpaie.wpa_ie);
175 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen);
177 if (req == IEEE80211_IOC_WPAIE2) {
178 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie));
179 if (ni->ni_ies.rsn_ie != NULL) {
180 int ielen = ni->ni_ies.rsn_ie[1] + 2;
181 if (ielen > sizeof(wpaie.rsn_ie))
182 ielen = sizeof(wpaie.rsn_ie);
183 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen);
185 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
186 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
188 /* compatibility op, may overwrite wpa ie */
189 /* XXX check ic_flags? */
190 if (ni->ni_ies.rsn_ie != NULL) {
191 int ielen = ni->ni_ies.rsn_ie[1] + 2;
192 if (ielen > sizeof(wpaie.wpa_ie))
193 ielen = sizeof(wpaie.wpa_ie);
194 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen);
196 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
197 ireq->i_len = sizeof(struct ieee80211req_wpaie);
199 ieee80211_free_node(ni);
200 return copyout(&wpaie, ireq->i_data, ireq->i_len);
203 static __noinline int
204 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
206 struct ieee80211_node *ni;
207 uint8_t macaddr[IEEE80211_ADDR_LEN];
208 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
211 if (ireq->i_len < off)
213 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
216 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
219 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
220 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
221 /* NB: copy out only the statistics */
222 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
224 ieee80211_free_node(ni);
229 struct ieee80211req_scan_result *sr;
234 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
238 *ielen = se->se_ies.len;
240 * NB: ie's can be no more than 255 bytes and the max 802.11
241 * packet is <3Kbytes so we are sure this doesn't overflow
242 * 16-bits; if this is a concern we can drop the ie's.
244 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
245 se->se_meshid[1] + *ielen;
246 return roundup(len, sizeof(uint32_t));
250 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
252 struct scanreq *req = arg;
255 req->space += scan_space(se, &ielen);
258 static __noinline void
259 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
261 struct scanreq *req = arg;
262 struct ieee80211req_scan_result *sr;
263 int ielen, len, nr, nxr;
266 len = scan_space(se, &ielen);
267 if (len > req->space)
271 KASSERT(len <= 65535 && ielen <= 65535,
272 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
274 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
275 sr->isr_ie_len = ielen;
276 sr->isr_freq = se->se_chan->ic_freq;
277 sr->isr_flags = se->se_chan->ic_flags;
278 sr->isr_rssi = se->se_rssi;
279 sr->isr_noise = se->se_noise;
280 sr->isr_intval = se->se_intval;
281 sr->isr_capinfo = se->se_capinfo;
282 sr->isr_erp = se->se_erp;
283 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
284 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
285 memcpy(sr->isr_rates, se->se_rates+2, nr);
286 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
287 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
288 sr->isr_nrates = nr + nxr;
291 sr->isr_ssid_len = se->se_ssid[1];
292 cp = ((uint8_t *)sr) + sr->isr_ie_off;
293 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
296 cp += sr->isr_ssid_len;
297 sr->isr_meshid_len = se->se_meshid[1];
298 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
299 cp += sr->isr_meshid_len;
302 memcpy(cp, se->se_ies.data, ielen);
305 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
308 static __noinline int
309 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
310 struct ieee80211req *ireq)
315 if (ireq->i_len < sizeof(struct scanreq))
320 ieee80211_scan_iterate(vap, get_scan_space, &req);
321 if (req.space > ireq->i_len)
322 req.space = ireq->i_len;
328 /* XXX M_WAITOK after driver lock released */
329 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
333 ieee80211_scan_iterate(vap, get_scan_result, &req);
334 ireq->i_len = space - req.space;
335 error = copyout(p, ireq->i_data, ireq->i_len);
344 struct ieee80211vap *vap;
345 struct ieee80211req_sta_info *si;
350 sta_space(const struct ieee80211_node *ni, size_t *ielen)
352 *ielen = ni->ni_ies.len;
353 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
358 get_sta_space(void *arg, struct ieee80211_node *ni)
360 struct stainforeq *req = arg;
363 if (req->vap != ni->ni_vap)
365 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
366 ni->ni_associd == 0) /* only associated stations */
368 req->space += sta_space(ni, &ielen);
371 static __noinline void
372 get_sta_info(void *arg, struct ieee80211_node *ni)
374 struct stainforeq *req = arg;
375 struct ieee80211vap *vap = ni->ni_vap;
376 struct ieee80211req_sta_info *si;
380 if (req->vap != ni->ni_vap)
382 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
383 ni->ni_associd == 0) /* only associated stations */
385 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
387 len = sta_space(ni, &ielen);
388 if (len > req->space)
392 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
393 si->isi_ie_len = ielen;
394 si->isi_freq = ni->ni_chan->ic_freq;
395 si->isi_flags = ni->ni_chan->ic_flags;
396 si->isi_state = ni->ni_flags;
397 si->isi_authmode = ni->ni_authmode;
398 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
399 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
400 si->isi_capinfo = ni->ni_capinfo;
401 si->isi_erp = ni->ni_erp;
402 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
403 si->isi_nrates = ni->ni_rates.rs_nrates;
404 if (si->isi_nrates > 15)
406 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
407 si->isi_txrate = ni->ni_txrate;
408 if (si->isi_txrate & IEEE80211_RATE_MCS) {
409 const struct ieee80211_mcs_rates *mcs =
410 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
411 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
412 if (ni->ni_flags & IEEE80211_NODE_SGI40)
413 si->isi_txmbps = mcs->ht40_rate_800ns;
415 si->isi_txmbps = mcs->ht40_rate_400ns;
417 if (ni->ni_flags & IEEE80211_NODE_SGI20)
418 si->isi_txmbps = mcs->ht20_rate_800ns;
420 si->isi_txmbps = mcs->ht20_rate_400ns;
423 si->isi_txmbps = si->isi_txrate;
424 si->isi_associd = ni->ni_associd;
425 si->isi_txpower = ni->ni_txpower;
426 si->isi_vlan = ni->ni_vlan;
427 if (ni->ni_flags & IEEE80211_NODE_QOS) {
428 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
429 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
431 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
432 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
434 /* NB: leave all cases in case we relax ni_associd == 0 check */
435 if (ieee80211_node_is_authorized(ni))
436 si->isi_inact = vap->iv_inact_run;
437 else if (ni->ni_associd != 0 ||
438 (vap->iv_opmode == IEEE80211_M_WDS &&
439 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
440 si->isi_inact = vap->iv_inact_auth;
442 si->isi_inact = vap->iv_inact_init;
443 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
444 si->isi_localid = ni->ni_mllid;
445 si->isi_peerid = ni->ni_mlpid;
446 si->isi_peerstate = ni->ni_mlstate;
449 cp = ((uint8_t *)si) + si->isi_ie_off;
450 memcpy(cp, ni->ni_ies.data, ielen);
453 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
457 static __noinline int
458 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
459 struct ieee80211_node *ni, int off)
461 struct ieee80211com *ic = vap->iv_ic;
462 struct stainforeq req;
471 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
473 get_sta_space(&req, ni);
474 if (req.space > ireq->i_len)
475 req.space = ireq->i_len;
478 /* XXX M_WAITOK after driver lock released */
479 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO);
486 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
488 get_sta_info(&req, ni);
489 ireq->i_len = space - req.space;
490 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
496 ieee80211_free_node(ni);
500 static __noinline int
501 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
503 uint8_t macaddr[IEEE80211_ADDR_LEN];
504 const int off = __offsetof(struct ieee80211req_sta_req, info);
505 struct ieee80211_node *ni;
508 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
510 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
513 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
516 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
520 return getstainfo_common(vap, ireq, ni, off);
523 static __noinline int
524 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
526 struct ieee80211_node *ni;
527 struct ieee80211req_sta_txpow txpow;
530 if (ireq->i_len != sizeof(txpow))
532 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
535 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
538 txpow.it_txpow = ni->ni_txpower;
539 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
540 ieee80211_free_node(ni);
544 static __noinline int
545 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
547 struct ieee80211com *ic = vap->iv_ic;
548 struct ieee80211_wme_state *wme = &ic->ic_wme;
549 struct wmeParams *wmep;
552 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
555 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
556 if (ac >= WME_NUM_AC)
558 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
559 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
561 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
562 switch (ireq->i_type) {
563 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
564 ireq->i_val = wmep->wmep_logcwmin;
566 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
567 ireq->i_val = wmep->wmep_logcwmax;
569 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
570 ireq->i_val = wmep->wmep_aifsn;
572 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
573 ireq->i_val = wmep->wmep_txopLimit;
575 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
576 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
577 ireq->i_val = wmep->wmep_acm;
579 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
580 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
581 ireq->i_val = !wmep->wmep_noackPolicy;
587 static __noinline int
588 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
590 const struct ieee80211_aclator *acl = vap->iv_acl;
592 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
595 static __noinline int
596 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
598 struct ieee80211com *ic = vap->iv_ic;
599 struct ieee80211_channel *c;
601 if (ireq->i_len != sizeof(struct ieee80211_channel))
604 * vap's may have different operating channels when HT is
605 * in use. When in RUN state report the vap-specific channel.
606 * Otherwise return curchan.
608 if (vap->iv_state == IEEE80211_S_RUN)
609 c = vap->iv_bss->ni_chan;
612 return copyout(c, ireq->i_data, sizeof(*c));
616 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
620 /* NB: truncate, caller can check length */
621 if (ireq->i_len > aie->ie_len)
622 ireq->i_len = aie->ie_len;
623 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
627 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
631 fc0 = ireq->i_val & 0xff;
632 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
634 /* NB: could check iv_opmode and reject but hardly worth the effort */
635 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
636 case IEEE80211_FC0_SUBTYPE_BEACON:
637 return getappie(vap->iv_appie_beacon, ireq);
638 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
639 return getappie(vap->iv_appie_proberesp, ireq);
640 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
641 return getappie(vap->iv_appie_assocresp, ireq);
642 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
643 return getappie(vap->iv_appie_probereq, ireq);
644 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
645 return getappie(vap->iv_appie_assocreq, ireq);
646 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
647 return getappie(vap->iv_appie_wpa, ireq);
652 static __noinline int
653 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
654 const struct ieee80211req *ireq)
656 struct ieee80211com *ic = vap->iv_ic;
658 if (ireq->i_len != sizeof(ic->ic_regdomain))
660 return copyout(&ic->ic_regdomain, ireq->i_data,
661 sizeof(ic->ic_regdomain));
664 static __noinline int
665 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
666 const struct ieee80211req *ireq)
668 size_t len = ireq->i_len;
669 /* NB: accept short requests for backwards compat */
670 if (len > sizeof(vap->iv_roamparms))
671 len = sizeof(vap->iv_roamparms);
672 return copyout(vap->iv_roamparms, ireq->i_data, len);
675 static __noinline int
676 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
677 const struct ieee80211req *ireq)
679 size_t len = ireq->i_len;
680 /* NB: accept short requests for backwards compat */
681 if (len > sizeof(vap->iv_txparms))
682 len = sizeof(vap->iv_txparms);
683 return copyout(vap->iv_txparms, ireq->i_data, len);
686 static __noinline int
687 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
688 const struct ieee80211req *ireq)
690 struct ieee80211_devcaps_req *dc;
691 struct ieee80211req_chaninfo *ci;
694 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
695 sizeof(struct ieee80211_channel));
696 /* NB: require 1 so we know ic_nchans is accessible */
699 /* constrain max request size, 2K channels is ~24Kbytes */
702 dc = (struct ieee80211_devcaps_req *)
703 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO);
706 dc->dc_drivercaps = ic->ic_caps;
707 dc->dc_cryptocaps = ic->ic_cryptocaps;
708 dc->dc_htcaps = ic->ic_htcaps;
709 ci = &dc->dc_chaninfo;
710 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans);
711 KASSERT(ci->ic_nchans <= maxchans,
712 ("nchans %d maxchans %d", ci->ic_nchans, maxchans));
713 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans);
714 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc));
719 static __noinline int
720 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
722 struct ieee80211_node *ni;
723 struct ieee80211req_sta_vlan vlan;
726 if (ireq->i_len != sizeof(vlan))
728 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
731 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
732 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
737 ni = ieee80211_ref_node(vap->iv_bss);
738 vlan.sv_vlan = ni->ni_vlan;
739 error = copyout(&vlan, ireq->i_data, sizeof(vlan));
740 ieee80211_free_node(ni);
745 * Dummy ioctl get handler so the linker set is defined.
748 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq)
752 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get);
755 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
757 ieee80211_ioctl_getfunc * const *get;
760 SET_FOREACH(get, ieee80211_ioctl_getset) {
761 error = (*get)(vap, ireq);
769 * When building the kernel with -O2 on the i386 architecture, gcc
770 * seems to want to inline this function into ieee80211_ioctl()
771 * (which is the only routine that calls it). When this happens,
772 * ieee80211_ioctl() ends up consuming an additional 2K of stack
773 * space. (Exactly why it needs so much is unclear.) The problem
774 * is that it's possible for ieee80211_ioctl() to invoke other
775 * routines (including driver init functions) which could then find
776 * themselves perilously close to exhausting the stack.
778 * To avoid this, we deliberately prevent gcc from inlining this
779 * routine. Another way to avoid this is to use less agressive
780 * optimization when compiling this file (i.e. -O instead of -O2)
781 * but special-casing the compilation of this one module in the
782 * build system would be awkward.
784 static __noinline int
785 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd,
786 struct ieee80211req *ireq)
788 #define MS(_v, _f) (((_v) & _f) >> _f##_S)
789 struct ieee80211com *ic = vap->iv_ic;
791 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
792 char tmpssid[IEEE80211_NWID_LEN];
795 switch (ireq->i_type) {
796 case IEEE80211_IOC_SSID:
797 switch (vap->iv_state) {
798 case IEEE80211_S_INIT:
799 case IEEE80211_S_SCAN:
800 ireq->i_len = vap->iv_des_ssid[0].len;
801 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len);
804 ireq->i_len = vap->iv_bss->ni_esslen;
805 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len);
808 error = copyout(tmpssid, ireq->i_data, ireq->i_len);
810 case IEEE80211_IOC_NUMSSIDS:
813 case IEEE80211_IOC_WEP:
814 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0)
815 ireq->i_val = IEEE80211_WEP_OFF;
816 else if (vap->iv_flags & IEEE80211_F_DROPUNENC)
817 ireq->i_val = IEEE80211_WEP_ON;
819 ireq->i_val = IEEE80211_WEP_MIXED;
821 case IEEE80211_IOC_WEPKEY:
822 kid = (u_int) ireq->i_val;
823 if (kid >= IEEE80211_WEP_NKID)
825 len = (u_int) vap->iv_nw_keys[kid].wk_keylen;
826 /* NB: only root can read WEP keys */
827 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
828 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len);
833 error = copyout(tmpkey, ireq->i_data, len);
835 case IEEE80211_IOC_NUMWEPKEYS:
836 ireq->i_val = IEEE80211_WEP_NKID;
838 case IEEE80211_IOC_WEPTXKEY:
839 ireq->i_val = vap->iv_def_txkey;
841 case IEEE80211_IOC_AUTHMODE:
842 if (vap->iv_flags & IEEE80211_F_WPA)
843 ireq->i_val = IEEE80211_AUTH_WPA;
845 ireq->i_val = vap->iv_bss->ni_authmode;
847 case IEEE80211_IOC_CHANNEL:
848 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan);
850 case IEEE80211_IOC_POWERSAVE:
851 if (vap->iv_flags & IEEE80211_F_PMGTON)
852 ireq->i_val = IEEE80211_POWERSAVE_ON;
854 ireq->i_val = IEEE80211_POWERSAVE_OFF;
856 case IEEE80211_IOC_POWERSAVESLEEP:
857 ireq->i_val = ic->ic_lintval;
859 case IEEE80211_IOC_RTSTHRESHOLD:
860 ireq->i_val = vap->iv_rtsthreshold;
862 case IEEE80211_IOC_PROTMODE:
863 ireq->i_val = ic->ic_protmode;
865 case IEEE80211_IOC_TXPOWER:
867 * Tx power limit is the min of max regulatory
868 * power, any user-set limit, and the max the
871 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower;
872 if (ireq->i_val > ic->ic_txpowlimit)
873 ireq->i_val = ic->ic_txpowlimit;
874 if (ireq->i_val > ic->ic_curchan->ic_maxpower)
875 ireq->i_val = ic->ic_curchan->ic_maxpower;
877 case IEEE80211_IOC_WPA:
878 switch (vap->iv_flags & IEEE80211_F_WPA) {
879 case IEEE80211_F_WPA1:
882 case IEEE80211_F_WPA2:
885 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
893 case IEEE80211_IOC_CHANLIST:
894 error = ieee80211_ioctl_getchanlist(vap, ireq);
896 case IEEE80211_IOC_ROAMING:
897 ireq->i_val = vap->iv_roaming;
899 case IEEE80211_IOC_PRIVACY:
900 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0;
902 case IEEE80211_IOC_DROPUNENCRYPTED:
903 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0;
905 case IEEE80211_IOC_COUNTERMEASURES:
906 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0;
908 case IEEE80211_IOC_WME:
909 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0;
911 case IEEE80211_IOC_HIDESSID:
912 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0;
914 case IEEE80211_IOC_APBRIDGE:
915 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0;
917 case IEEE80211_IOC_WPAKEY:
918 error = ieee80211_ioctl_getkey(vap, ireq);
920 case IEEE80211_IOC_CHANINFO:
921 error = ieee80211_ioctl_getchaninfo(vap, ireq);
923 case IEEE80211_IOC_BSSID:
924 if (ireq->i_len != IEEE80211_ADDR_LEN)
926 if (vap->iv_state == IEEE80211_S_RUN) {
927 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ?
928 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid,
929 ireq->i_data, ireq->i_len);
931 error = copyout(vap->iv_des_bssid, ireq->i_data,
934 case IEEE80211_IOC_WPAIE:
935 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
937 case IEEE80211_IOC_WPAIE2:
938 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type);
940 case IEEE80211_IOC_SCAN_RESULTS:
941 error = ieee80211_ioctl_getscanresults(vap, ireq);
943 case IEEE80211_IOC_STA_STATS:
944 error = ieee80211_ioctl_getstastats(vap, ireq);
946 case IEEE80211_IOC_TXPOWMAX:
947 ireq->i_val = vap->iv_bss->ni_txpower;
949 case IEEE80211_IOC_STA_TXPOW:
950 error = ieee80211_ioctl_getstatxpow(vap, ireq);
952 case IEEE80211_IOC_STA_INFO:
953 error = ieee80211_ioctl_getstainfo(vap, ireq);
955 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
956 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
957 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
958 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
959 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
960 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
961 error = ieee80211_ioctl_getwmeparam(vap, ireq);
963 case IEEE80211_IOC_DTIM_PERIOD:
964 ireq->i_val = vap->iv_dtim_period;
966 case IEEE80211_IOC_BEACON_INTERVAL:
967 /* NB: get from ic_bss for station mode */
968 ireq->i_val = vap->iv_bss->ni_intval;
970 case IEEE80211_IOC_PUREG:
971 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0;
973 case IEEE80211_IOC_BGSCAN:
974 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
976 case IEEE80211_IOC_BGSCAN_IDLE:
977 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
979 case IEEE80211_IOC_BGSCAN_INTERVAL:
980 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
982 case IEEE80211_IOC_SCANVALID:
983 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
985 case IEEE80211_IOC_FRAGTHRESHOLD:
986 ireq->i_val = vap->iv_fragthreshold;
988 case IEEE80211_IOC_MACCMD:
989 error = ieee80211_ioctl_getmaccmd(vap, ireq);
991 case IEEE80211_IOC_BURST:
992 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
994 case IEEE80211_IOC_BMISSTHRESHOLD:
995 ireq->i_val = vap->iv_bmissthreshold;
997 case IEEE80211_IOC_CURCHAN:
998 error = ieee80211_ioctl_getcurchan(vap, ireq);
1000 case IEEE80211_IOC_SHORTGI:
1002 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1003 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1004 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1005 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1007 case IEEE80211_IOC_AMPDU:
1009 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1011 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1014 case IEEE80211_IOC_AMPDU_LIMIT:
1015 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1016 ireq->i_val = vap->iv_ampdu_rxmax;
1017 else if (vap->iv_state == IEEE80211_S_RUN)
1018 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1019 IEEE80211_HTCAP_MAXRXAMPDU);
1021 ireq->i_val = vap->iv_ampdu_limit;
1023 case IEEE80211_IOC_AMPDU_DENSITY:
1024 if (vap->iv_opmode == IEEE80211_M_STA &&
1025 vap->iv_state == IEEE80211_S_RUN)
1026 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1027 IEEE80211_HTCAP_MPDUDENSITY);
1029 ireq->i_val = vap->iv_ampdu_density;
1031 case IEEE80211_IOC_AMSDU:
1033 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1035 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1038 case IEEE80211_IOC_AMSDU_LIMIT:
1039 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1041 case IEEE80211_IOC_PUREN:
1042 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1044 case IEEE80211_IOC_DOTH:
1045 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1047 case IEEE80211_IOC_REGDOMAIN:
1048 error = ieee80211_ioctl_getregdomain(vap, ireq);
1050 case IEEE80211_IOC_ROAM:
1051 error = ieee80211_ioctl_getroam(vap, ireq);
1053 case IEEE80211_IOC_TXPARAMS:
1054 error = ieee80211_ioctl_gettxparams(vap, ireq);
1056 case IEEE80211_IOC_HTCOMPAT:
1057 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1059 case IEEE80211_IOC_DWDS:
1060 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1062 case IEEE80211_IOC_INACTIVITY:
1063 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1065 case IEEE80211_IOC_APPIE:
1066 error = ieee80211_ioctl_getappie(vap, ireq);
1068 case IEEE80211_IOC_WPS:
1069 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1071 case IEEE80211_IOC_TSN:
1072 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1074 case IEEE80211_IOC_DFS:
1075 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1077 case IEEE80211_IOC_DOTD:
1078 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1080 case IEEE80211_IOC_DEVCAPS:
1081 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1083 case IEEE80211_IOC_HTPROTMODE:
1084 ireq->i_val = ic->ic_htprotmode;
1086 case IEEE80211_IOC_HTCONF:
1087 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1089 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1094 case IEEE80211_IOC_STA_VLAN:
1095 error = ieee80211_ioctl_getstavlan(vap, ireq);
1097 case IEEE80211_IOC_SMPS:
1098 if (vap->iv_opmode == IEEE80211_M_STA &&
1099 vap->iv_state == IEEE80211_S_RUN) {
1100 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1101 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1102 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1103 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1105 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1107 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1109 case IEEE80211_IOC_RIFS:
1110 if (vap->iv_opmode == IEEE80211_M_STA &&
1111 vap->iv_state == IEEE80211_S_RUN)
1113 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1116 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1119 error = ieee80211_ioctl_getdefault(vap, ireq);
1126 static __noinline int
1127 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1129 struct ieee80211req_key ik;
1130 struct ieee80211_node *ni;
1131 struct ieee80211_key *wk;
1135 if (ireq->i_len != sizeof(ik))
1137 error = copyin(ireq->i_data, &ik, sizeof(ik));
1140 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1141 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1142 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1145 if (kid == IEEE80211_KEYIX_NONE) {
1146 /* XXX unicast keys currently must be tx/rx */
1147 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1149 if (vap->iv_opmode == IEEE80211_M_STA) {
1150 ni = ieee80211_ref_node(vap->iv_bss);
1151 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1152 ieee80211_free_node(ni);
1153 return EADDRNOTAVAIL;
1156 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1161 wk = &ni->ni_ucastkey;
1163 if (kid >= IEEE80211_WEP_NKID)
1165 wk = &vap->iv_nw_keys[kid];
1167 * Global slots start off w/o any assigned key index.
1168 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1170 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1175 ieee80211_key_update_begin(vap);
1176 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1177 wk->wk_keylen = ik.ik_keylen;
1178 /* NB: MIC presence is implied by cipher type */
1179 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1180 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1181 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1182 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1183 wk->wk_keytsc = 0; /* new key, reset */
1184 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1185 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1186 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1187 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1188 if (!ieee80211_crypto_setkey(vap, wk))
1190 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1191 vap->iv_def_txkey = kid;
1194 ieee80211_key_update_end(vap);
1196 ieee80211_free_node(ni);
1200 static __noinline int
1201 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1203 struct ieee80211req_del_key dk;
1206 if (ireq->i_len != sizeof(dk))
1208 error = copyin(ireq->i_data, &dk, sizeof(dk));
1212 /* XXX uint8_t -> uint16_t */
1213 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1214 struct ieee80211_node *ni;
1216 if (vap->iv_opmode == IEEE80211_M_STA) {
1217 ni = ieee80211_ref_node(vap->iv_bss);
1218 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1219 ieee80211_free_node(ni);
1220 return EADDRNOTAVAIL;
1223 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1228 /* XXX error return */
1229 ieee80211_node_delucastkey(ni);
1230 ieee80211_free_node(ni);
1232 if (kid >= IEEE80211_WEP_NKID)
1234 /* XXX error return */
1235 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1241 struct ieee80211vap *vap;
1247 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1250 #ifdef IEEE80211_DEBUG
1251 static const struct {
1256 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1257 IEEE80211_MSG_ASSOC, "assoc" },
1258 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1259 IEEE80211_MSG_ASSOC, "disassoc" },
1260 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1261 IEEE80211_MSG_AUTH, "deauth" },
1262 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1263 IEEE80211_MSG_AUTH, "authorize" },
1264 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1265 IEEE80211_MSG_AUTH, "unauthorize" },
1268 if (op == IEEE80211_MLME_AUTH) {
1269 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1270 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1271 "station authenticate %s via MLME (reason %d)",
1272 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1274 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1275 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1276 "unknown MLME request %d (reason %d)", op, reason);
1277 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1278 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1279 "station %s via MLME", ops[op].opstr);
1281 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1282 "station %s via MLME (reason %d)", ops[op].opstr, reason);
1284 #endif /* IEEE80211_DEBUG */
1288 domlme(void *arg, struct ieee80211_node *ni)
1290 struct mlmeop *mop = arg;
1291 struct ieee80211vap *vap = ni->ni_vap;
1293 if (vap != mop->vap)
1296 * NB: if ni_associd is zero then the node is already cleaned
1297 * up and we don't need to do this (we're safely holding a
1298 * reference but should otherwise not modify it's state).
1300 if (ni->ni_associd == 0)
1302 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1303 if (mop->op == IEEE80211_MLME_DEAUTH) {
1304 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1307 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1310 ieee80211_node_leave(ni);
1314 setmlme_dropsta(struct ieee80211vap *vap,
1315 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1317 struct ieee80211com *ic = vap->iv_ic;
1318 struct ieee80211_node_table *nt = &ic->ic_sta;
1319 struct ieee80211_node *ni;
1322 /* NB: the broadcast address means do 'em all */
1323 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) {
1324 IEEE80211_NODE_LOCK(nt);
1325 ni = ieee80211_find_node_locked(nt, mac);
1328 ieee80211_free_node(ni);
1331 IEEE80211_NODE_UNLOCK(nt);
1333 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1338 static __noinline int
1339 setmlme_common(struct ieee80211vap *vap, int op,
1340 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1342 struct ieee80211com *ic = vap->iv_ic;
1343 struct ieee80211_node_table *nt = &ic->ic_sta;
1344 struct ieee80211_node *ni;
1345 struct mlmeop mlmeop;
1350 case IEEE80211_MLME_DISASSOC:
1351 case IEEE80211_MLME_DEAUTH:
1352 switch (vap->iv_opmode) {
1353 case IEEE80211_M_STA:
1354 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1355 /* XXX not quite right */
1356 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1358 case IEEE80211_M_HOSTAP:
1361 mlmeop.reason = reason;
1362 error = setmlme_dropsta(vap, mac, &mlmeop);
1364 case IEEE80211_M_WDS:
1365 /* XXX user app should send raw frame? */
1366 if (op != IEEE80211_MLME_DEAUTH) {
1371 /* XXX accept any address, simplifies user code */
1372 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1377 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1378 ni = ieee80211_ref_node(vap->iv_bss);
1379 IEEE80211_SEND_MGMT(ni,
1380 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1381 ieee80211_free_node(ni);
1388 case IEEE80211_MLME_AUTHORIZE:
1389 case IEEE80211_MLME_UNAUTHORIZE:
1390 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1391 vap->iv_opmode != IEEE80211_M_WDS) {
1395 IEEE80211_NODE_LOCK(nt);
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);
1406 IEEE80211_NODE_UNLOCK(nt);
1408 case IEEE80211_MLME_AUTH:
1409 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1413 IEEE80211_NODE_LOCK(nt);
1414 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1416 mlmedebug(vap, mac, op, reason);
1417 if (reason == IEEE80211_STATUS_SUCCESS) {
1418 IEEE80211_SEND_MGMT(ni,
1419 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1421 * For shared key auth, just continue the
1422 * exchange. Otherwise when 802.1x is not in
1423 * use mark the port authorized at this point
1424 * so traffic can flow.
1426 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1427 ni->ni_challenge == NULL)
1428 ieee80211_node_authorize(ni);
1430 vap->iv_stats.is_rx_acl++;
1431 ieee80211_send_error(ni, ni->ni_macaddr,
1432 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1433 ieee80211_node_leave(ni);
1435 ieee80211_free_node(ni);
1438 IEEE80211_NODE_UNLOCK(nt);
1450 const uint8_t *essid;
1451 const struct ieee80211_scan_entry *se;
1455 * Match mac address and any ssid.
1458 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1460 struct scanlookup *look = arg;
1462 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1464 if (look->esslen != 0) {
1465 if (se->se_ssid[1] != look->esslen)
1467 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1473 static __noinline int
1474 setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1475 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN])
1477 struct scanlookup lookup;
1479 /* XXX ibss/ahdemo */
1480 if (vap->iv_opmode != IEEE80211_M_STA)
1483 /* NB: this is racey if roaming is !manual */
1486 lookup.esslen = ssid_len;
1487 lookup.essid = ssid;
1488 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1489 if (lookup.se == NULL)
1491 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1492 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1493 return EIO; /* XXX unique but could be better */
1497 static __noinline int
1498 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1500 struct ieee80211req_mlme mlme;
1503 if (ireq->i_len != sizeof(mlme))
1505 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1508 if (mlme.im_op == IEEE80211_MLME_ASSOC)
1509 return setmlme_assoc(vap, mlme.im_macaddr,
1510 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1512 return setmlme_common(vap, mlme.im_op,
1513 mlme.im_macaddr, mlme.im_reason);
1516 static __noinline int
1517 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1519 uint8_t mac[IEEE80211_ADDR_LEN];
1520 const struct ieee80211_aclator *acl = vap->iv_acl;
1523 if (ireq->i_len != sizeof(mac))
1525 error = copyin(ireq->i_data, mac, ireq->i_len);
1529 acl = ieee80211_aclator_get("mac");
1530 if (acl == NULL || !acl->iac_attach(vap))
1534 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1535 acl->iac_add(vap, mac);
1537 acl->iac_remove(vap, mac);
1541 static __noinline int
1542 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1544 const struct ieee80211_aclator *acl = vap->iv_acl;
1546 switch (ireq->i_val) {
1547 case IEEE80211_MACCMD_POLICY_OPEN:
1548 case IEEE80211_MACCMD_POLICY_ALLOW:
1549 case IEEE80211_MACCMD_POLICY_DENY:
1550 case IEEE80211_MACCMD_POLICY_RADIUS:
1552 acl = ieee80211_aclator_get("mac");
1553 if (acl == NULL || !acl->iac_attach(vap))
1557 acl->iac_setpolicy(vap, ireq->i_val);
1559 case IEEE80211_MACCMD_FLUSH:
1561 acl->iac_flush(vap);
1562 /* NB: silently ignore when not in use */
1564 case IEEE80211_MACCMD_DETACH:
1567 acl->iac_detach(vap);
1574 return acl->iac_setioctl(vap, ireq);
1579 static __noinline int
1580 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1582 struct ieee80211com *ic = vap->iv_ic;
1583 uint8_t *chanlist, *list;
1584 int i, nchan, maxchan, error;
1586 if (ireq->i_len > sizeof(ic->ic_chan_active))
1587 ireq->i_len = sizeof(ic->ic_chan_active);
1588 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1592 error = copyin(ireq->i_data, list, ireq->i_len);
1596 chanlist = list + ireq->i_len; /* NB: zero'd already */
1597 maxchan = ireq->i_len * NBBY;
1598 for (i = 0; i < ic->ic_nchans; i++) {
1599 const struct ieee80211_channel *c = &ic->ic_channels[i];
1601 * Calculate the intersection of the user list and the
1602 * available channels so users can do things like specify
1603 * 1-255 to get all available channels.
1605 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1606 setbit(chanlist, c->ic_ieee);
1612 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1613 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1614 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1615 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1616 ieee80211_scan_flush(vap);
1621 static __noinline int
1622 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1624 struct ieee80211_node *ni;
1625 uint8_t macaddr[IEEE80211_ADDR_LEN];
1629 * NB: we could copyin ieee80211req_sta_stats so apps
1630 * could make selective changes but that's overkill;
1631 * just clear all stats for now.
1633 if (ireq->i_len < IEEE80211_ADDR_LEN)
1635 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1638 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1641 /* XXX require ni_vap == vap? */
1642 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1643 ieee80211_free_node(ni);
1647 static __noinline int
1648 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1650 struct ieee80211_node *ni;
1651 struct ieee80211req_sta_txpow txpow;
1654 if (ireq->i_len != sizeof(txpow))
1656 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1659 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1662 ni->ni_txpower = txpow.it_txpow;
1663 ieee80211_free_node(ni);
1667 static __noinline int
1668 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1670 struct ieee80211com *ic = vap->iv_ic;
1671 struct ieee80211_wme_state *wme = &ic->ic_wme;
1672 struct wmeParams *wmep, *chanp;
1675 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1678 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1679 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1680 if (ac >= WME_NUM_AC)
1683 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1684 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1686 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1687 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1689 switch (ireq->i_type) {
1690 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1692 wmep->wmep_logcwmin = ireq->i_val;
1693 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1694 chanp->wmep_logcwmin = ireq->i_val;
1696 wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1700 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1702 wmep->wmep_logcwmax = ireq->i_val;
1703 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1704 chanp->wmep_logcwmax = ireq->i_val;
1706 wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1710 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1712 wmep->wmep_aifsn = ireq->i_val;
1713 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1714 chanp->wmep_aifsn = ireq->i_val;
1716 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1719 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1721 wmep->wmep_txopLimit = ireq->i_val;
1722 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1723 chanp->wmep_txopLimit = ireq->i_val;
1725 wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1729 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1730 wmep->wmep_acm = ireq->i_val;
1731 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1732 chanp->wmep_acm = ireq->i_val;
1734 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1735 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1739 ieee80211_wme_updateparams(vap);
1744 find11gchannel(struct ieee80211com *ic, int start, int freq)
1746 const struct ieee80211_channel *c;
1749 for (i = start+1; i < ic->ic_nchans; i++) {
1750 c = &ic->ic_channels[i];
1751 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1754 /* NB: should not be needed but in case things are mis-sorted */
1755 for (i = 0; i < start; i++) {
1756 c = &ic->ic_channels[i];
1757 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1763 static struct ieee80211_channel *
1764 findchannel(struct ieee80211com *ic, int ieee, int mode)
1766 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1767 [IEEE80211_MODE_AUTO] = 0,
1768 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1769 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1770 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1771 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1772 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1773 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1774 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1775 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1776 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1777 /* NB: handled specially below */
1778 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1779 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1784 modeflags = chanflags[mode];
1785 for (i = 0; i < ic->ic_nchans; i++) {
1786 struct ieee80211_channel *c = &ic->ic_channels[i];
1788 if (c->ic_ieee != ieee)
1790 if (mode == IEEE80211_MODE_AUTO) {
1791 /* ignore turbo channels for autoselect */
1792 if (IEEE80211_IS_CHAN_TURBO(c))
1795 * XXX special-case 11b/g channels so we
1796 * always select the g channel if both
1798 * XXX prefer HT to non-HT?
1800 if (!IEEE80211_IS_CHAN_B(c) ||
1801 !find11gchannel(ic, i, c->ic_freq))
1804 /* must check HT specially */
1805 if ((mode == IEEE80211_MODE_11NA ||
1806 mode == IEEE80211_MODE_11NG) &&
1807 !IEEE80211_IS_CHAN_HT(c))
1809 if ((c->ic_flags & modeflags) == modeflags)
1817 * Check the specified against any desired mode (aka netband).
1818 * This is only used (presently) when operating in hostap mode
1819 * to enforce consistency.
1822 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1824 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1827 case IEEE80211_MODE_11B:
1828 return (IEEE80211_IS_CHAN_B(c));
1829 case IEEE80211_MODE_11G:
1830 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1831 case IEEE80211_MODE_11A:
1832 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1833 case IEEE80211_MODE_STURBO_A:
1834 return (IEEE80211_IS_CHAN_STURBO(c));
1835 case IEEE80211_MODE_11NA:
1836 return (IEEE80211_IS_CHAN_HTA(c));
1837 case IEEE80211_MODE_11NG:
1838 return (IEEE80211_IS_CHAN_HTG(c));
1845 * Common code to set the current channel. If the device
1846 * is up and running this may result in an immediate channel
1847 * change or a kick of the state machine.
1850 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1852 struct ieee80211com *ic = vap->iv_ic;
1855 if (c != IEEE80211_CHAN_ANYC) {
1856 if (IEEE80211_IS_CHAN_RADAR(c))
1857 return EBUSY; /* XXX better code? */
1858 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1859 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1861 if (!check_mode_consistency(c, vap->iv_des_mode))
1863 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1864 if (IEEE80211_IS_CHAN_NOADHOC(c))
1867 if (vap->iv_state == IEEE80211_S_RUN &&
1868 vap->iv_bss->ni_chan == c)
1869 return 0; /* NB: nothing to do */
1871 vap->iv_des_chan = c;
1874 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1875 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1877 * Monitor mode can switch directly.
1879 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1880 /* XXX need state machine for other vap's to follow */
1881 ieee80211_setcurchan(ic, vap->iv_des_chan);
1882 vap->iv_bss->ni_chan = ic->ic_curchan;
1884 ic->ic_curchan = vap->iv_des_chan;
1885 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1888 * Need to go through the state machine in case we
1889 * need to reassociate or the like. The state machine
1890 * will pickup the desired channel and avoid scanning.
1892 if (IS_UP_AUTO(vap))
1893 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1894 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1896 * When not up+running and a real channel has
1897 * been specified fix the current channel so
1898 * there is immediate feedback; e.g. via ifconfig.
1900 ic->ic_curchan = vap->iv_des_chan;
1901 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1908 * Old api for setting the current channel; this is
1909 * deprecated because channel numbers are ambiguous.
1911 static __noinline int
1912 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
1913 const struct ieee80211req *ireq)
1915 struct ieee80211com *ic = vap->iv_ic;
1916 struct ieee80211_channel *c;
1918 /* XXX 0xffff overflows 16-bit signed */
1919 if (ireq->i_val == 0 ||
1920 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
1921 c = IEEE80211_CHAN_ANYC;
1923 struct ieee80211_channel *c2;
1925 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
1927 c = findchannel(ic, ireq->i_val,
1928 IEEE80211_MODE_AUTO);
1933 * Fine tune channel selection based on desired mode:
1934 * if 11b is requested, find the 11b version of any
1935 * 11g channel returned,
1936 * if static turbo, find the turbo version of any
1937 * 11a channel return,
1938 * if 11na is requested, find the ht version of any
1939 * 11a channel returned,
1940 * if 11ng is requested, find the ht version of any
1941 * 11g channel returned,
1942 * otherwise we should be ok with what we've got.
1944 switch (vap->iv_des_mode) {
1945 case IEEE80211_MODE_11B:
1946 if (IEEE80211_IS_CHAN_ANYG(c)) {
1947 c2 = findchannel(ic, ireq->i_val,
1948 IEEE80211_MODE_11B);
1949 /* NB: should not happen, =>'s 11g w/o 11b */
1954 case IEEE80211_MODE_TURBO_A:
1955 if (IEEE80211_IS_CHAN_A(c)) {
1956 c2 = findchannel(ic, ireq->i_val,
1957 IEEE80211_MODE_TURBO_A);
1962 case IEEE80211_MODE_11NA:
1963 if (IEEE80211_IS_CHAN_A(c)) {
1964 c2 = findchannel(ic, ireq->i_val,
1965 IEEE80211_MODE_11NA);
1970 case IEEE80211_MODE_11NG:
1971 if (IEEE80211_IS_CHAN_ANYG(c)) {
1972 c2 = findchannel(ic, ireq->i_val,
1973 IEEE80211_MODE_11NG);
1978 default: /* NB: no static turboG */
1982 return setcurchan(vap, c);
1986 * New/current api for setting the current channel; a complete
1987 * channel description is provide so there is no ambiguity in
1988 * identifying the channel.
1990 static __noinline int
1991 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
1992 const struct ieee80211req *ireq)
1994 struct ieee80211com *ic = vap->iv_ic;
1995 struct ieee80211_channel chan, *c;
1998 if (ireq->i_len != sizeof(chan))
2000 error = copyin(ireq->i_data, &chan, sizeof(chan));
2003 /* XXX 0xffff overflows 16-bit signed */
2004 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2005 c = IEEE80211_CHAN_ANYC;
2007 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2011 return setcurchan(vap, c);
2014 static __noinline int
2015 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2016 const struct ieee80211req *ireq)
2018 struct ieee80211_regdomain_req *reg;
2021 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2022 sizeof(struct ieee80211_channel));
2023 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2024 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2025 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2026 ireq->i_len, nchans);
2029 reg = (struct ieee80211_regdomain_req *)
2030 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT);
2032 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2033 "%s: no memory, nchans %d\n", __func__, nchans);
2036 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2038 /* NB: validate inline channel count against storage size */
2039 if (reg->chaninfo.ic_nchans != nchans) {
2040 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2041 "%s: chan cnt mismatch, %d != %d\n", __func__,
2042 reg->chaninfo.ic_nchans, nchans);
2045 error = ieee80211_setregdomain(vap, reg);
2049 return (error == 0 ? ENETRESET : error);
2053 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2054 const struct ieee80211req *ireq)
2056 if (ireq->i_len != sizeof(vap->iv_roamparms))
2058 /* XXX validate params */
2059 /* XXX? ENETRESET to push to device? */
2060 return copyin(ireq->i_data, vap->iv_roamparms,
2061 sizeof(vap->iv_roamparms));
2065 checkrate(const struct ieee80211_rateset *rs, int rate)
2069 if (rate == IEEE80211_FIXED_RATE_NONE)
2071 for (i = 0; i < rs->rs_nrates; i++)
2072 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2080 if (mcs == IEEE80211_FIXED_RATE_NONE)
2082 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2084 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2087 static __noinline int
2088 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2089 const struct ieee80211req *ireq)
2091 struct ieee80211com *ic = vap->iv_ic;
2092 struct ieee80211_txparams_req parms; /* XXX stack use? */
2093 struct ieee80211_txparam *src, *dst;
2094 const struct ieee80211_rateset *rs;
2095 int error, mode, changed, is11n, nmodes;
2097 /* NB: accept short requests for backwards compat */
2098 if (ireq->i_len > sizeof(parms))
2100 error = copyin(ireq->i_data, &parms, ireq->i_len);
2103 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2105 /* validate parameters and check if anything changed */
2106 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2107 if (isclr(ic->ic_modecaps, mode))
2109 src = &parms.params[mode];
2110 dst = &vap->iv_txparms[mode];
2111 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2112 is11n = (mode == IEEE80211_MODE_11NA ||
2113 mode == IEEE80211_MODE_11NG);
2114 if (src->ucastrate != dst->ucastrate) {
2115 if (!checkrate(rs, src->ucastrate) &&
2116 (!is11n || !checkmcs(src->ucastrate)))
2120 if (src->mcastrate != dst->mcastrate) {
2121 if (!checkrate(rs, src->mcastrate) &&
2122 (!is11n || !checkmcs(src->mcastrate)))
2126 if (src->mgmtrate != dst->mgmtrate) {
2127 if (!checkrate(rs, src->mgmtrate) &&
2128 (!is11n || !checkmcs(src->mgmtrate)))
2132 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2137 * Copy new parameters in place and notify the
2138 * driver so it can push state to the device.
2140 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2141 if (isset(ic->ic_modecaps, mode))
2142 vap->iv_txparms[mode] = parms.params[mode];
2144 /* XXX could be more intelligent,
2145 e.g. don't reset if setting not being used */
2152 * Application Information Element support.
2155 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2157 struct ieee80211_appie *app = *aie;
2158 struct ieee80211_appie *napp;
2161 if (ireq->i_len == 0) { /* delete any existing ie */
2163 *aie = NULL; /* XXX racey */
2164 free(app, M_80211_NODE_IE);
2168 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2171 * Allocate a new appie structure and copy in the user data.
2172 * When done swap in the new structure. Note that we do not
2173 * guard against users holding a ref to the old structure;
2174 * this must be handled outside this code.
2178 napp = (struct ieee80211_appie *) malloc(
2179 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT);
2182 /* XXX holding ic lock */
2183 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2185 free(napp, M_80211_NODE_IE);
2188 napp->ie_len = ireq->i_len;
2191 free(app, M_80211_NODE_IE);
2196 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2198 /* validate data is present as best we can */
2199 if (space == 0 || 2+ie[1] > space)
2201 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2202 vap->iv_wpa_ie = ie;
2203 else if (ie[0] == IEEE80211_ELEMID_RSN)
2204 vap->iv_rsn_ie = ie;
2207 static __noinline int
2208 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2209 const struct ieee80211req *ireq, int fc0)
2213 IEEE80211_LOCK_ASSERT(vap->iv_ic);
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;
2293 fc0 = ireq->i_val & 0xff;
2294 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2296 /* NB: could check iv_opmode and reject but hardly worth the effort */
2298 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2299 IEEE80211_UNLOCK(ic);
2303 static __noinline int
2304 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2306 struct ieee80211com *ic = vap->iv_ic;
2307 struct ieee80211_chanswitch_req csr;
2308 struct ieee80211_channel *c;
2311 if (ireq->i_len != sizeof(csr))
2313 error = copyin(ireq->i_data, &csr, sizeof(csr));
2316 /* XXX adhoc mode not supported */
2317 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2318 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2320 c = ieee80211_find_channel(ic,
2321 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2325 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2326 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2327 else if (csr.csa_count == 0)
2328 ieee80211_csa_cancelswitch(ic);
2331 IEEE80211_UNLOCK(ic);
2335 static __noinline int
2336 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2338 #define IEEE80211_IOC_SCAN_FLAGS \
2339 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2340 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2341 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2342 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2343 IEEE80211_IOC_SCAN_CHECK)
2344 struct ieee80211com *ic = vap->iv_ic;
2345 struct ieee80211_scan_req sr; /* XXX off stack? */
2348 /* NB: parent must be running */
2349 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
2352 if (ireq->i_len != sizeof(sr))
2354 error = copyin(ireq->i_data, &sr, sizeof(sr));
2357 /* convert duration */
2358 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2359 sr.sr_duration = IEEE80211_SCAN_FOREVER;
2361 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2362 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2364 sr.sr_duration = msecs_to_ticks(sr.sr_duration);
2365 if (sr.sr_duration < 1)
2368 /* convert min/max channel dwell */
2369 if (sr.sr_mindwell != 0) {
2370 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell);
2371 if (sr.sr_mindwell < 1)
2374 if (sr.sr_maxdwell != 0) {
2375 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell);
2376 if (sr.sr_maxdwell < 1)
2379 /* NB: silently reduce ssid count to what is supported */
2380 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID)
2381 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID;
2382 for (i = 0; i < sr.sr_nssid; i++)
2383 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN)
2385 /* cleanse flags just in case, could reject if invalid flags */
2386 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2388 * Add an implicit NOPICK if the vap is not marked UP. This
2389 * allows applications to scan without joining a bss (or picking
2390 * a channel and setting up a bss) and without forcing manual
2391 * roaming mode--you just need to mark the parent device UP.
2393 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2394 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2396 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2397 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2398 __func__, sr.sr_flags,
2399 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2400 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid);
2402 * If we are in INIT state then the driver has never had a chance
2403 * to setup hardware state to do a scan; we must use the state
2404 * machine to get us up to the SCAN state but once we reach SCAN
2405 * state we then want to use the supplied params. Stash the
2406 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2407 * state machines will recognize this and use the stashed params
2408 * to issue the scan request.
2410 * Otherwise just invoke the scan machinery directly.
2413 if (vap->iv_state == IEEE80211_S_INIT) {
2414 /* NB: clobbers previous settings */
2415 vap->iv_scanreq_flags = sr.sr_flags;
2416 vap->iv_scanreq_duration = sr.sr_duration;
2417 vap->iv_scanreq_nssid = sr.sr_nssid;
2418 for (i = 0; i < sr.sr_nssid; i++) {
2419 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len;
2420 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid,
2423 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2424 IEEE80211_UNLOCK(ic);
2425 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2427 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2428 IEEE80211_UNLOCK(ic);
2429 /* XXX neeed error return codes */
2430 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2431 (void) ieee80211_check_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]);
2437 (void) ieee80211_start_scan(vap, sr.sr_flags,
2438 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell,
2440 /* NB: cheat, we assume structures are compatible */
2441 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]);
2445 #undef IEEE80211_IOC_SCAN_FLAGS
2448 static __noinline int
2449 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2451 struct ieee80211_node *ni;
2452 struct ieee80211req_sta_vlan vlan;
2455 if (ireq->i_len != sizeof(vlan))
2457 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2460 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2461 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2466 ni = ieee80211_ref_node(vap->iv_bss);
2467 ni->ni_vlan = vlan.sv_vlan;
2468 ieee80211_free_node(ni);
2473 isvap11g(const struct ieee80211vap *vap)
2475 const struct ieee80211_node *bss = vap->iv_bss;
2476 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2477 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2481 isvapht(const struct ieee80211vap *vap)
2483 const struct ieee80211_node *bss = vap->iv_bss;
2484 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2485 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2489 * Dummy ioctl set handler so the linker set is defined.
2492 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2496 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2499 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2501 ieee80211_ioctl_setfunc * const *set;
2504 SET_FOREACH(set, ieee80211_ioctl_setset) {
2505 error = (*set)(vap, ireq);
2506 if (error != ENOSYS)
2512 static __noinline int
2513 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2515 struct ieee80211com *ic = vap->iv_ic;
2517 const struct ieee80211_authenticator *auth;
2518 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2519 char tmpssid[IEEE80211_NWID_LEN];
2520 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2521 struct ieee80211_key *k;
2526 switch (ireq->i_type) {
2527 case IEEE80211_IOC_SSID:
2528 if (ireq->i_val != 0 ||
2529 ireq->i_len > IEEE80211_NWID_LEN)
2531 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2534 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2535 vap->iv_des_ssid[0].len = ireq->i_len;
2536 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2537 vap->iv_des_nssid = (ireq->i_len > 0);
2540 case IEEE80211_IOC_WEP:
2541 switch (ireq->i_val) {
2542 case IEEE80211_WEP_OFF:
2543 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2544 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2546 case IEEE80211_WEP_ON:
2547 vap->iv_flags |= IEEE80211_F_PRIVACY;
2548 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2550 case IEEE80211_WEP_MIXED:
2551 vap->iv_flags |= IEEE80211_F_PRIVACY;
2552 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2557 case IEEE80211_IOC_WEPKEY:
2558 kid = (u_int) ireq->i_val;
2559 if (kid >= IEEE80211_WEP_NKID)
2561 k = &vap->iv_nw_keys[kid];
2562 if (ireq->i_len == 0) {
2563 /* zero-len =>'s delete any existing key */
2564 (void) ieee80211_crypto_delkey(vap, k);
2567 if (ireq->i_len > sizeof(tmpkey))
2569 memset(tmpkey, 0, sizeof(tmpkey));
2570 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2573 ieee80211_key_update_begin(vap);
2574 k->wk_keyix = kid; /* NB: force fixed key id */
2575 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2576 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2577 k->wk_keylen = ireq->i_len;
2578 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2579 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2580 if (!ieee80211_crypto_setkey(vap, k))
2584 ieee80211_key_update_end(vap);
2586 case IEEE80211_IOC_WEPTXKEY:
2587 kid = (u_int) ireq->i_val;
2588 if (kid >= IEEE80211_WEP_NKID &&
2589 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2591 vap->iv_def_txkey = kid;
2593 case IEEE80211_IOC_AUTHMODE:
2594 switch (ireq->i_val) {
2595 case IEEE80211_AUTH_WPA:
2596 case IEEE80211_AUTH_8021X: /* 802.1x */
2597 case IEEE80211_AUTH_OPEN: /* open */
2598 case IEEE80211_AUTH_SHARED: /* shared-key */
2599 case IEEE80211_AUTH_AUTO: /* auto */
2600 auth = ieee80211_authenticator_get(ireq->i_val);
2607 switch (ireq->i_val) {
2608 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2609 vap->iv_flags |= IEEE80211_F_PRIVACY;
2610 ireq->i_val = IEEE80211_AUTH_8021X;
2612 case IEEE80211_AUTH_OPEN: /* open */
2613 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2615 case IEEE80211_AUTH_SHARED: /* shared-key */
2616 case IEEE80211_AUTH_8021X: /* 802.1x */
2617 vap->iv_flags &= ~IEEE80211_F_WPA;
2618 /* both require a key so mark the PRIVACY capability */
2619 vap->iv_flags |= IEEE80211_F_PRIVACY;
2621 case IEEE80211_AUTH_AUTO: /* auto */
2622 vap->iv_flags &= ~IEEE80211_F_WPA;
2623 /* XXX PRIVACY handling? */
2624 /* XXX what's the right way to do this? */
2627 /* NB: authenticator attach/detach happens on state change */
2628 vap->iv_bss->ni_authmode = ireq->i_val;
2629 /* XXX mixed/mode/usage? */
2630 vap->iv_auth = auth;
2633 case IEEE80211_IOC_CHANNEL:
2634 error = ieee80211_ioctl_setchannel(vap, ireq);
2636 case IEEE80211_IOC_POWERSAVE:
2637 switch (ireq->i_val) {
2638 case IEEE80211_POWERSAVE_OFF:
2639 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2640 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2644 case IEEE80211_POWERSAVE_ON:
2645 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2647 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2648 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2657 case IEEE80211_IOC_POWERSAVESLEEP:
2658 if (ireq->i_val < 0)
2660 ic->ic_lintval = ireq->i_val;
2663 case IEEE80211_IOC_RTSTHRESHOLD:
2664 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2665 ireq->i_val <= IEEE80211_RTS_MAX))
2667 vap->iv_rtsthreshold = ireq->i_val;
2670 case IEEE80211_IOC_PROTMODE:
2671 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2673 ic->ic_protmode = ireq->i_val;
2674 /* NB: if not operating in 11g this can wait */
2675 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2676 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2679 case IEEE80211_IOC_TXPOWER:
2680 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2682 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2683 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2685 ic->ic_txpowlimit = ireq->i_val;
2688 case IEEE80211_IOC_ROAMING:
2689 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2690 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2692 vap->iv_roaming = ireq->i_val;
2695 case IEEE80211_IOC_PRIVACY:
2697 /* XXX check for key state? */
2698 vap->iv_flags |= IEEE80211_F_PRIVACY;
2700 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2703 case IEEE80211_IOC_DROPUNENCRYPTED:
2705 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2707 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2710 case IEEE80211_IOC_WPAKEY:
2711 error = ieee80211_ioctl_setkey(vap, ireq);
2713 case IEEE80211_IOC_DELKEY:
2714 error = ieee80211_ioctl_delkey(vap, ireq);
2716 case IEEE80211_IOC_MLME:
2717 error = ieee80211_ioctl_setmlme(vap, ireq);
2719 case IEEE80211_IOC_COUNTERMEASURES:
2721 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2723 vap->iv_flags |= IEEE80211_F_COUNTERM;
2725 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2728 case IEEE80211_IOC_WPA:
2729 if (ireq->i_val > 3)
2731 /* XXX verify ciphers available */
2732 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2733 switch (ireq->i_val) {
2735 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2737 flags |= IEEE80211_F_WPA1;
2740 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2742 flags |= IEEE80211_F_WPA2;
2745 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2747 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2749 default: /* Can't set any -> error */
2752 vap->iv_flags = flags;
2753 error = ERESTART; /* NB: can change beacon frame */
2755 case IEEE80211_IOC_WME:
2757 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2759 ieee80211_syncflag(vap, IEEE80211_F_WME);
2761 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2762 error = ERESTART; /* NB: can change beacon frame */
2764 case IEEE80211_IOC_HIDESSID:
2766 vap->iv_flags |= IEEE80211_F_HIDESSID;
2768 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2769 error = ERESTART; /* XXX ENETRESET? */
2771 case IEEE80211_IOC_APBRIDGE:
2772 if (ireq->i_val == 0)
2773 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2775 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2777 case IEEE80211_IOC_BSSID:
2778 if (ireq->i_len != sizeof(tmpbssid))
2780 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2783 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2784 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2785 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2787 vap->iv_flags |= IEEE80211_F_DESBSSID;
2790 case IEEE80211_IOC_CHANLIST:
2791 error = ieee80211_ioctl_setchanlist(vap, ireq);
2793 #define OLD_IEEE80211_IOC_SCAN_REQ 23
2794 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
2795 case OLD_IEEE80211_IOC_SCAN_REQ:
2796 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2797 "%s: active scan request\n", __func__);
2799 * If we are in INIT state then the driver has never
2800 * had a chance to setup hardware state to do a scan;
2801 * use the state machine to get us up the SCAN state.
2802 * Otherwise just invoke the scan machinery to start
2805 if (vap->iv_state == IEEE80211_S_INIT)
2806 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2808 (void) ieee80211_start_scan(vap,
2809 IEEE80211_SCAN_ACTIVE |
2810 IEEE80211_SCAN_NOPICK |
2811 IEEE80211_SCAN_ONCE,
2812 IEEE80211_SCAN_FOREVER, 0, 0,
2813 /* XXX use ioctl params */
2814 vap->iv_des_nssid, vap->iv_des_ssid);
2816 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2817 case IEEE80211_IOC_SCAN_REQ:
2818 error = ieee80211_ioctl_scanreq(vap, ireq);
2820 case IEEE80211_IOC_SCAN_CANCEL:
2821 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2822 "%s: cancel scan\n", __func__);
2823 ieee80211_cancel_scan(vap);
2825 case IEEE80211_IOC_HTCONF:
2826 if (ireq->i_val & 1)
2827 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2829 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2830 if (ireq->i_val & 2)
2831 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2833 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2836 case IEEE80211_IOC_ADDMAC:
2837 case IEEE80211_IOC_DELMAC:
2838 error = ieee80211_ioctl_macmac(vap, ireq);
2840 case IEEE80211_IOC_MACCMD:
2841 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2843 case IEEE80211_IOC_STA_STATS:
2844 error = ieee80211_ioctl_setstastats(vap, ireq);
2846 case IEEE80211_IOC_STA_TXPOW:
2847 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2849 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2850 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2851 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2852 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
2853 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
2854 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
2855 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2857 case IEEE80211_IOC_DTIM_PERIOD:
2858 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2859 vap->iv_opmode != IEEE80211_M_MBSS &&
2860 vap->iv_opmode != IEEE80211_M_IBSS)
2862 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2863 ireq->i_val <= IEEE80211_DTIM_MAX) {
2864 vap->iv_dtim_period = ireq->i_val;
2865 error = ENETRESET; /* requires restart */
2869 case IEEE80211_IOC_BEACON_INTERVAL:
2870 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2871 vap->iv_opmode != IEEE80211_M_MBSS &&
2872 vap->iv_opmode != IEEE80211_M_IBSS)
2874 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2875 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2876 ic->ic_bintval = ireq->i_val;
2877 error = ENETRESET; /* requires restart */
2881 case IEEE80211_IOC_PUREG:
2883 vap->iv_flags |= IEEE80211_F_PUREG;
2885 vap->iv_flags &= ~IEEE80211_F_PUREG;
2886 /* NB: reset only if we're operating on an 11g channel */
2890 case IEEE80211_IOC_BGSCAN:
2892 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
2894 vap->iv_flags |= IEEE80211_F_BGSCAN;
2896 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
2898 case IEEE80211_IOC_BGSCAN_IDLE:
2899 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
2900 vap->iv_bgscanidle = ireq->i_val*hz/1000;
2904 case IEEE80211_IOC_BGSCAN_INTERVAL:
2905 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
2906 vap->iv_bgscanintvl = ireq->i_val*hz;
2910 case IEEE80211_IOC_SCANVALID:
2911 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
2912 vap->iv_scanvalid = ireq->i_val*hz;
2916 case IEEE80211_IOC_FRAGTHRESHOLD:
2917 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
2918 ireq->i_val != IEEE80211_FRAG_MAX)
2920 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
2921 ireq->i_val <= IEEE80211_FRAG_MAX))
2923 vap->iv_fragthreshold = ireq->i_val;
2926 case IEEE80211_IOC_BURST:
2928 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
2930 ieee80211_syncflag(vap, IEEE80211_F_BURST);
2932 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
2935 case IEEE80211_IOC_BMISSTHRESHOLD:
2936 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
2937 ireq->i_val <= IEEE80211_HWBMISS_MAX))
2939 vap->iv_bmissthreshold = ireq->i_val;
2942 case IEEE80211_IOC_CURCHAN:
2943 error = ieee80211_ioctl_setcurchan(vap, ireq);
2945 case IEEE80211_IOC_SHORTGI:
2947 #define IEEE80211_HTCAP_SHORTGI \
2948 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
2949 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
2951 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
2952 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
2953 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
2954 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
2955 #undef IEEE80211_HTCAP_SHORTGI
2958 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
2961 case IEEE80211_IOC_AMPDU:
2962 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
2964 if (ireq->i_val & 1)
2965 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
2967 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
2968 if (ireq->i_val & 2)
2969 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
2971 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
2972 /* NB: reset only if we're operating on an 11n channel */
2976 case IEEE80211_IOC_AMPDU_LIMIT:
2977 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
2978 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
2980 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2981 vap->iv_ampdu_rxmax = ireq->i_val;
2983 vap->iv_ampdu_limit = ireq->i_val;
2986 case IEEE80211_IOC_AMPDU_DENSITY:
2987 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
2988 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
2990 vap->iv_ampdu_density = ireq->i_val;
2993 case IEEE80211_IOC_AMSDU:
2994 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
2996 if (ireq->i_val & 1)
2997 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
2999 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3000 if (ireq->i_val & 2)
3001 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3003 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3004 /* NB: reset only if we're operating on an 11n channel */
3008 case IEEE80211_IOC_AMSDU_LIMIT:
3010 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3012 case IEEE80211_IOC_PUREN:
3014 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3016 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3018 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3019 /* NB: reset only if we're operating on an 11n channel */
3023 case IEEE80211_IOC_DOTH:
3026 /* XXX no capability */
3027 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3030 vap->iv_flags |= IEEE80211_F_DOTH;
3032 vap->iv_flags &= ~IEEE80211_F_DOTH;
3035 case IEEE80211_IOC_REGDOMAIN:
3036 error = ieee80211_ioctl_setregdomain(vap, ireq);
3038 case IEEE80211_IOC_ROAM:
3039 error = ieee80211_ioctl_setroam(vap, ireq);
3041 case IEEE80211_IOC_TXPARAMS:
3042 error = ieee80211_ioctl_settxparams(vap, ireq);
3044 case IEEE80211_IOC_HTCOMPAT:
3046 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3048 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3050 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3051 /* NB: reset only if we're operating on an 11n channel */
3055 case IEEE80211_IOC_DWDS:
3057 /* NB: DWDS only makes sense for WDS-capable devices */
3058 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3060 /* NB: DWDS is used only with ap+sta vaps */
3061 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3062 vap->iv_opmode != IEEE80211_M_STA)
3064 vap->iv_flags |= IEEE80211_F_DWDS;
3065 if (vap->iv_opmode == IEEE80211_M_STA)
3066 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3068 vap->iv_flags &= ~IEEE80211_F_DWDS;
3069 if (vap->iv_opmode == IEEE80211_M_STA)
3070 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3073 case IEEE80211_IOC_INACTIVITY:
3075 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3077 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3079 case IEEE80211_IOC_APPIE:
3080 error = ieee80211_ioctl_setappie(vap, ireq);
3082 case IEEE80211_IOC_WPS:
3084 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3086 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3088 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3090 case IEEE80211_IOC_TSN:
3092 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3094 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3096 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3098 case IEEE80211_IOC_CHANSWITCH:
3099 error = ieee80211_ioctl_chanswitch(vap, ireq);
3101 case IEEE80211_IOC_DFS:
3103 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3105 /* NB: DFS requires 11h support */
3106 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3108 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3110 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3112 case IEEE80211_IOC_DOTD:
3114 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3116 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3117 if (vap->iv_opmode == IEEE80211_M_STA)
3120 case IEEE80211_IOC_HTPROTMODE:
3121 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3123 ic->ic_htprotmode = ireq->i_val ?
3124 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3125 /* NB: if not operating in 11n this can wait */
3129 case IEEE80211_IOC_STA_VLAN:
3130 error = ieee80211_ioctl_setstavlan(vap, ireq);
3132 case IEEE80211_IOC_SMPS:
3133 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3134 ireq->i_val == 0x0008) /* value of 2 is reserved */
3136 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3137 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3139 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3141 /* NB: if not operating in 11n this can wait */
3145 case IEEE80211_IOC_RIFS:
3146 if (ireq->i_val != 0) {
3147 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3149 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3151 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3152 /* NB: if not operating in 11n this can wait */
3157 error = ieee80211_ioctl_setdefault(vap, ireq);
3161 * The convention is that ENETRESET means an operation
3162 * requires a complete re-initialization of the device (e.g.
3163 * changing something that affects the association state).
3164 * ERESTART means the request may be handled with only a
3165 * reload of the hardware state. We hand ERESTART requests
3166 * to the iv_reset callback so the driver can decide. If
3167 * a device does not fillin iv_reset then it defaults to one
3168 * that returns ENETRESET. Otherwise a driver may return
3169 * ENETRESET (in which case a full reset will be done) or
3170 * 0 to mean there's no need to do anything (e.g. when the
3171 * change has no effect on the driver/device).
3173 if (error == ERESTART)
3174 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3175 vap->iv_reset(vap, ireq->i_type) : 0;
3176 if (error == ENETRESET) {
3177 /* XXX need to re-think AUTO handling */
3178 if (IS_UP_AUTO(vap))
3179 ieee80211_init(vap);
3186 * Rebuild the parent's multicast address list after an add/del
3187 * of a multicast address for a vap. We have no way to tell
3188 * what happened above to optimize the work so we purge the entire
3189 * list and rebuild from scratch. This is way expensive.
3190 * Note also the half-baked workaround for if_addmulti calling
3191 * back to the parent device; there's no way to insert mcast
3192 * entries quietly and/or cheaply.
3195 ieee80211_ioctl_updatemulti(struct ieee80211com *ic)
3197 struct ifnet *parent = ic->ic_ifp;
3198 struct ieee80211vap *vap;
3202 if_purgemaddrs(parent);
3203 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */
3204 parent->if_ioctl = NULL;
3205 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
3206 struct ifnet *ifp = vap->iv_ifp;
3207 struct ifmultiaddr *ifma;
3209 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link)
3210 (void) if_addmulti(parent, ifma->ifma_addr, NULL);
3212 parent->if_ioctl = ioctl;
3213 ieee80211_runtask(ic, &ic->ic_mcast_task);
3214 IEEE80211_UNLOCK(ic);
3218 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3220 struct ieee80211vap *vap = ifp->if_softc;
3221 struct ieee80211com *ic = vap->iv_ic;
3224 struct ifaddr *ifa; /* XXX */
3229 ieee80211_syncifflag_locked(ic, IFF_PROMISC);
3230 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI);
3231 if (ifp->if_flags & IFF_UP) {
3233 * Bring ourself up unless we're already operational.
3234 * If we're the first vap and the parent is not up
3235 * then it will automatically be brought up as a
3236 * side-effect of bringing ourself up.
3238 if (vap->iv_state == IEEE80211_S_INIT)
3239 ieee80211_start_locked(vap);
3240 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3242 * Stop ourself. If we are the last vap to be
3243 * marked down the parent will also be taken down.
3245 ieee80211_stop_locked(vap);
3247 IEEE80211_UNLOCK(ic);
3248 /* Wait for parent ioctl handler if it was queued */
3249 ieee80211_waitfor_parent(ic);
3253 ieee80211_ioctl_updatemulti(ic);
3257 ifr = (struct ifreq *)data;
3258 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3261 error = ieee80211_ioctl_get80211(vap, cmd,
3262 (struct ieee80211req *) data);
3265 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3267 error = ieee80211_ioctl_set80211(vap, cmd,
3268 (struct ieee80211req *) data);
3270 case SIOCG80211STATS:
3271 ifr = (struct ifreq *)data;
3272 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3275 ifr = (struct ifreq *)data;
3276 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3277 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3280 ifp->if_mtu = ifr->ifr_mtu;
3284 * XXX Handle this directly so we can supress if_init calls.
3285 * XXX This should be done in ether_ioctl but for the moment
3286 * XXX there are too many other parts of the system that
3287 * XXX set IFF_UP and so supress if_init being called when
3290 ifa = (struct ifaddr *) data;
3291 switch (ifa->ifa_addr->sa_family) {
3294 if ((ifp->if_flags & IFF_UP) == 0) {
3295 ifp->if_flags |= IFF_UP;
3296 ifp->if_init(ifp->if_softc);
3298 arp_ifinit(ifp, ifa);
3303 * XXX - This code is probably wrong,
3304 * but has been copied many times.
3307 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
3309 if (ipx_nullhost(*ina))
3310 ina->x_host = *(union ipx_host *)
3313 bcopy((caddr_t) ina->x_host.c_host,
3314 (caddr_t) IF_LLADDR(ifp),
3320 if ((ifp->if_flags & IFF_UP) == 0) {
3321 ifp->if_flags |= IFF_UP;
3322 ifp->if_init(ifp->if_softc);
3327 /* Pass NDIS ioctls up to the driver */
3330 case SIOCGPRIVATE_0: {
3331 struct ifnet *parent = vap->iv_ic->ic_ifp;
3332 error = parent->if_ioctl(parent, cmd, data);
3336 error = ether_ioctl(ifp, cmd, data);