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)
37 #include <sys/endian.h>
38 #include <sys/param.h>
39 #include <sys/kernel.h>
41 #include <sys/socket.h>
42 #include <sys/sockio.h>
43 #include <sys/systm.h>
46 #include <net/if_var.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>
56 #include <net80211/ieee80211_var.h>
57 #include <net80211/ieee80211_ioctl.h>
58 #include <net80211/ieee80211_regdomain.h>
59 #include <net80211/ieee80211_input.h>
61 #define IS_UP_AUTO(_vap) \
62 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \
63 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO)
65 static const uint8_t zerobssid[IEEE80211_ADDR_LEN];
66 static struct ieee80211_channel *findchannel(struct ieee80211com *,
68 static int ieee80211_scanreq(struct ieee80211vap *,
69 struct ieee80211_scan_req *);
72 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
74 struct ieee80211com *ic = vap->iv_ic;
75 struct ieee80211_node *ni;
76 struct ieee80211req_key ik;
77 struct ieee80211_key *wk;
78 const struct ieee80211_cipher *cip;
82 if (ireq->i_len != sizeof(ik))
84 error = copyin(ireq->i_data, &ik, sizeof(ik));
88 if (kid == IEEE80211_KEYIX_NONE) {
89 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr);
92 wk = &ni->ni_ucastkey;
94 if (kid >= IEEE80211_WEP_NKID)
96 wk = &vap->iv_nw_keys[kid];
97 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr);
101 ik.ik_type = cip->ic_cipher;
102 ik.ik_keylen = wk->wk_keylen;
103 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
104 if (wk->wk_keyix == vap->iv_def_txkey)
105 ik.ik_flags |= IEEE80211_KEY_DEFAULT;
106 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) {
107 /* NB: only root can read key data */
108 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID];
109 ik.ik_keytsc = wk->wk_keytsc;
110 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
111 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
112 memcpy(ik.ik_keydata+wk->wk_keylen,
113 wk->wk_key + IEEE80211_KEYBUF_SIZE,
114 IEEE80211_MICBUF_SIZE);
115 ik.ik_keylen += IEEE80211_MICBUF_SIZE;
120 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
123 ieee80211_free_node(ni);
124 return copyout(&ik, ireq->i_data, sizeof(ik));
127 static __noinline int
128 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
130 struct ieee80211com *ic = vap->iv_ic;
132 if (sizeof(ic->ic_chan_active) < ireq->i_len)
133 ireq->i_len = sizeof(ic->ic_chan_active);
134 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
137 static __noinline int
138 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
140 struct ieee80211com *ic = vap->iv_ic;
143 space = __offsetof(struct ieee80211req_chaninfo,
144 ic_chans[ic->ic_nchans]);
145 if (space > ireq->i_len)
147 /* XXX assumes compatible layout */
148 return copyout(&ic->ic_nchans, ireq->i_data, space);
151 static __noinline int
152 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap,
153 struct ieee80211req *ireq, int req)
155 struct ieee80211_node *ni;
156 struct ieee80211req_wpaie2 wpaie;
159 if (ireq->i_len < IEEE80211_ADDR_LEN)
161 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
164 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr);
167 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
168 if (ni->ni_ies.wpa_ie != NULL) {
169 int ielen = ni->ni_ies.wpa_ie[1] + 2;
170 if (ielen > sizeof(wpaie.wpa_ie))
171 ielen = sizeof(wpaie.wpa_ie);
172 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen);
174 if (req == IEEE80211_IOC_WPAIE2) {
175 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie));
176 if (ni->ni_ies.rsn_ie != NULL) {
177 int ielen = ni->ni_ies.rsn_ie[1] + 2;
178 if (ielen > sizeof(wpaie.rsn_ie))
179 ielen = sizeof(wpaie.rsn_ie);
180 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen);
182 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2))
183 ireq->i_len = sizeof(struct ieee80211req_wpaie2);
185 /* compatibility op, may overwrite wpa ie */
186 /* XXX check ic_flags? */
187 if (ni->ni_ies.rsn_ie != NULL) {
188 int ielen = ni->ni_ies.rsn_ie[1] + 2;
189 if (ielen > sizeof(wpaie.wpa_ie))
190 ielen = sizeof(wpaie.wpa_ie);
191 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen);
193 if (ireq->i_len > sizeof(struct ieee80211req_wpaie))
194 ireq->i_len = sizeof(struct ieee80211req_wpaie);
196 ieee80211_free_node(ni);
197 return copyout(&wpaie, ireq->i_data, ireq->i_len);
200 static __noinline int
201 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
203 struct ieee80211_node *ni;
204 uint8_t macaddr[IEEE80211_ADDR_LEN];
205 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats);
208 if (ireq->i_len < off)
210 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
213 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
216 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
217 ireq->i_len = sizeof(struct ieee80211req_sta_stats);
218 /* NB: copy out only the statistics */
219 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off,
221 ieee80211_free_node(ni);
226 struct ieee80211req_scan_result *sr;
231 scan_space(const struct ieee80211_scan_entry *se, int *ielen)
235 *ielen = se->se_ies.len;
237 * NB: ie's can be no more than 255 bytes and the max 802.11
238 * packet is <3Kbytes so we are sure this doesn't overflow
239 * 16-bits; if this is a concern we can drop the ie's.
241 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] +
242 se->se_meshid[1] + *ielen;
243 return roundup(len, sizeof(uint32_t));
247 get_scan_space(void *arg, const struct ieee80211_scan_entry *se)
249 struct scanreq *req = arg;
252 req->space += scan_space(se, &ielen);
255 static __noinline void
256 get_scan_result(void *arg, const struct ieee80211_scan_entry *se)
258 struct scanreq *req = arg;
259 struct ieee80211req_scan_result *sr;
260 int ielen, len, nr, nxr;
263 len = scan_space(se, &ielen);
264 if (len > req->space)
268 KASSERT(len <= 65535 && ielen <= 65535,
269 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen));
271 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result);
272 sr->isr_ie_len = ielen;
273 sr->isr_freq = se->se_chan->ic_freq;
274 sr->isr_flags = se->se_chan->ic_flags;
275 sr->isr_rssi = se->se_rssi;
276 sr->isr_noise = se->se_noise;
277 sr->isr_intval = se->se_intval;
278 sr->isr_capinfo = se->se_capinfo;
279 sr->isr_erp = se->se_erp;
280 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid);
281 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE);
282 memcpy(sr->isr_rates, se->se_rates+2, nr);
283 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr);
284 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr);
285 sr->isr_nrates = nr + nxr;
288 sr->isr_ssid_len = se->se_ssid[1];
289 cp = ((uint8_t *)sr) + sr->isr_ie_off;
290 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len);
293 cp += sr->isr_ssid_len;
294 sr->isr_meshid_len = se->se_meshid[1];
295 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len);
296 cp += sr->isr_meshid_len;
299 memcpy(cp, se->se_ies.data, ielen);
302 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len);
305 static __noinline int
306 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap,
307 struct ieee80211req *ireq)
312 if (ireq->i_len < sizeof(struct scanreq))
317 ieee80211_scan_iterate(vap, get_scan_space, &req);
318 if (req.space > ireq->i_len)
319 req.space = ireq->i_len;
325 /* XXX M_WAITOK after driver lock released */
326 p = IEEE80211_MALLOC(space, M_TEMP,
327 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
331 ieee80211_scan_iterate(vap, get_scan_result, &req);
332 ireq->i_len = space - req.space;
333 error = copyout(p, ireq->i_data, ireq->i_len);
334 IEEE80211_FREE(p, M_TEMP);
342 struct ieee80211vap *vap;
343 struct ieee80211req_sta_info *si;
348 sta_space(const struct ieee80211_node *ni, size_t *ielen)
350 *ielen = ni->ni_ies.len;
351 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen,
356 get_sta_space(void *arg, struct ieee80211_node *ni)
358 struct stainforeq *req = arg;
361 if (req->vap != ni->ni_vap)
363 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP &&
364 ni->ni_associd == 0) /* only associated stations */
366 req->space += sta_space(ni, &ielen);
369 static __noinline void
370 get_sta_info(void *arg, struct ieee80211_node *ni)
372 struct stainforeq *req = arg;
373 struct ieee80211vap *vap = ni->ni_vap;
374 struct ieee80211req_sta_info *si;
378 if (req->vap != ni->ni_vap)
380 if (vap->iv_opmode == IEEE80211_M_HOSTAP &&
381 ni->ni_associd == 0) /* only associated stations */
383 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */
385 len = sta_space(ni, &ielen);
386 if (len > req->space)
390 si->isi_ie_off = sizeof(struct ieee80211req_sta_info);
391 si->isi_ie_len = ielen;
392 si->isi_freq = ni->ni_chan->ic_freq;
393 si->isi_flags = ni->ni_chan->ic_flags;
394 si->isi_state = ni->ni_flags;
395 si->isi_authmode = ni->ni_authmode;
396 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise);
397 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo);
398 si->isi_capinfo = ni->ni_capinfo;
399 si->isi_erp = ni->ni_erp;
400 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
401 si->isi_nrates = ni->ni_rates.rs_nrates;
402 if (si->isi_nrates > 15)
404 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
405 si->isi_txrate = ni->ni_txrate;
406 if (si->isi_txrate & IEEE80211_RATE_MCS) {
407 const struct ieee80211_mcs_rates *mcs =
408 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS];
409 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
410 if (ni->ni_flags & IEEE80211_NODE_SGI40)
411 si->isi_txmbps = mcs->ht40_rate_800ns;
413 si->isi_txmbps = mcs->ht40_rate_400ns;
415 if (ni->ni_flags & IEEE80211_NODE_SGI20)
416 si->isi_txmbps = mcs->ht20_rate_800ns;
418 si->isi_txmbps = mcs->ht20_rate_400ns;
421 si->isi_txmbps = si->isi_txrate;
422 si->isi_associd = ni->ni_associd;
423 si->isi_txpower = ni->ni_txpower;
424 si->isi_vlan = ni->ni_vlan;
425 if (ni->ni_flags & IEEE80211_NODE_QOS) {
426 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
427 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
429 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID];
430 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID];
432 /* NB: leave all cases in case we relax ni_associd == 0 check */
433 if (ieee80211_node_is_authorized(ni))
434 si->isi_inact = vap->iv_inact_run;
435 else if (ni->ni_associd != 0 ||
436 (vap->iv_opmode == IEEE80211_M_WDS &&
437 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY)))
438 si->isi_inact = vap->iv_inact_auth;
440 si->isi_inact = vap->iv_inact_init;
441 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
442 si->isi_localid = ni->ni_mllid;
443 si->isi_peerid = ni->ni_mlpid;
444 si->isi_peerstate = ni->ni_mlstate;
447 cp = ((uint8_t *)si) + si->isi_ie_off;
448 memcpy(cp, ni->ni_ies.data, ielen);
451 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len);
455 static __noinline int
456 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq,
457 struct ieee80211_node *ni, size_t off)
459 struct ieee80211com *ic = vap->iv_ic;
460 struct stainforeq req;
469 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req);
471 get_sta_space(&req, ni);
472 if (req.space > ireq->i_len)
473 req.space = ireq->i_len;
476 /* XXX M_WAITOK after driver lock released */
477 p = IEEE80211_MALLOC(space, M_TEMP,
478 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
485 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req);
487 get_sta_info(&req, ni);
488 ireq->i_len = space - req.space;
489 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len);
490 IEEE80211_FREE(p, M_TEMP);
495 ieee80211_free_node(ni);
499 static __noinline int
500 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq)
502 uint8_t macaddr[IEEE80211_ADDR_LEN];
503 const size_t off = __offsetof(struct ieee80211req_sta_req, info);
504 struct ieee80211_node *ni;
507 if (ireq->i_len < sizeof(struct ieee80211req_sta_req))
509 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
512 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) {
515 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
519 return getstainfo_common(vap, ireq, ni, off);
522 static __noinline int
523 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
525 struct ieee80211_node *ni;
526 struct ieee80211req_sta_txpow txpow;
529 if (ireq->i_len != sizeof(txpow))
531 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
534 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
537 txpow.it_txpow = ni->ni_txpower;
538 error = copyout(&txpow, ireq->i_data, sizeof(txpow));
539 ieee80211_free_node(ni);
543 static __noinline int
544 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
546 struct ieee80211com *ic = vap->iv_ic;
547 struct ieee80211_wme_state *wme = &ic->ic_wme;
548 struct wmeParams *wmep;
551 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
554 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
555 if (ac >= WME_NUM_AC)
557 if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
558 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
560 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
561 switch (ireq->i_type) {
562 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
563 ireq->i_val = wmep->wmep_logcwmin;
565 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
566 ireq->i_val = wmep->wmep_logcwmax;
568 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
569 ireq->i_val = wmep->wmep_aifsn;
571 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
572 ireq->i_val = wmep->wmep_txopLimit;
574 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
575 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
576 ireq->i_val = wmep->wmep_acm;
578 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
579 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
580 ireq->i_val = !wmep->wmep_noackPolicy;
586 static __noinline int
587 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
589 const struct ieee80211_aclator *acl = vap->iv_acl;
591 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq));
594 static __noinline int
595 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq)
597 struct ieee80211com *ic = vap->iv_ic;
598 struct ieee80211_channel *c;
600 if (ireq->i_len != sizeof(struct ieee80211_channel))
603 * vap's may have different operating channels when HT is
604 * in use. When in RUN state report the vap-specific channel.
605 * Otherwise return curchan.
607 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
608 c = vap->iv_bss->ni_chan;
611 return copyout(c, ireq->i_data, sizeof(*c));
615 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq)
619 /* NB: truncate, caller can check length */
620 if (ireq->i_len > aie->ie_len)
621 ireq->i_len = aie->ie_len;
622 return copyout(aie->ie_data, ireq->i_data, ireq->i_len);
626 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq)
630 fc0 = ireq->i_val & 0xff;
631 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
633 /* NB: could check iv_opmode and reject but hardly worth the effort */
634 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
635 case IEEE80211_FC0_SUBTYPE_BEACON:
636 return getappie(vap->iv_appie_beacon, ireq);
637 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
638 return getappie(vap->iv_appie_proberesp, ireq);
639 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
640 return getappie(vap->iv_appie_assocresp, ireq);
641 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
642 return getappie(vap->iv_appie_probereq, ireq);
643 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
644 return getappie(vap->iv_appie_assocreq, ireq);
645 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP:
646 return getappie(vap->iv_appie_wpa, ireq);
651 static __noinline int
652 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap,
653 const struct ieee80211req *ireq)
655 struct ieee80211com *ic = vap->iv_ic;
657 if (ireq->i_len != sizeof(ic->ic_regdomain))
659 return copyout(&ic->ic_regdomain, ireq->i_data,
660 sizeof(ic->ic_regdomain));
663 static __noinline int
664 ieee80211_ioctl_getroam(struct ieee80211vap *vap,
665 const struct ieee80211req *ireq)
667 size_t len = ireq->i_len;
668 /* NB: accept short requests for backwards compat */
669 if (len > sizeof(vap->iv_roamparms))
670 len = sizeof(vap->iv_roamparms);
671 return copyout(vap->iv_roamparms, ireq->i_data, len);
674 static __noinline int
675 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap,
676 const struct ieee80211req *ireq)
678 size_t len = ireq->i_len;
679 /* NB: accept short requests for backwards compat */
680 if (len > sizeof(vap->iv_txparms))
681 len = sizeof(vap->iv_txparms);
682 return copyout(vap->iv_txparms, ireq->i_data, len);
685 static __noinline int
686 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic,
687 const struct ieee80211req *ireq)
689 struct ieee80211_devcaps_req *dc;
690 struct ieee80211req_chaninfo *ci;
693 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) /
694 sizeof(struct ieee80211_channel));
695 /* NB: require 1 so we know ic_nchans is accessible */
698 /* constrain max request size, 2K channels is ~24Kbytes */
701 dc = (struct ieee80211_devcaps_req *)
702 IEEE80211_MALLOC(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP,
703 IEEE80211_M_NOWAIT | IEEE80211_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));
715 IEEE80211_FREE(dc, M_TEMP);
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 || vap->iv_state == IEEE80211_S_SLEEP) {
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_QUIET:
974 ireq->i_val = vap->iv_quiet;
976 case IEEE80211_IOC_QUIET_COUNT:
977 ireq->i_val = vap->iv_quiet_count;
979 case IEEE80211_IOC_QUIET_PERIOD:
980 ireq->i_val = vap->iv_quiet_period;
982 case IEEE80211_IOC_QUIET_DUR:
983 ireq->i_val = vap->iv_quiet_duration;
985 case IEEE80211_IOC_QUIET_OFFSET:
986 ireq->i_val = vap->iv_quiet_offset;
988 case IEEE80211_IOC_BGSCAN:
989 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0;
991 case IEEE80211_IOC_BGSCAN_IDLE:
992 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */
994 case IEEE80211_IOC_BGSCAN_INTERVAL:
995 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */
997 case IEEE80211_IOC_SCANVALID:
998 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */
1000 case IEEE80211_IOC_FRAGTHRESHOLD:
1001 ireq->i_val = vap->iv_fragthreshold;
1003 case IEEE80211_IOC_MACCMD:
1004 error = ieee80211_ioctl_getmaccmd(vap, ireq);
1006 case IEEE80211_IOC_BURST:
1007 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0;
1009 case IEEE80211_IOC_BMISSTHRESHOLD:
1010 ireq->i_val = vap->iv_bmissthreshold;
1012 case IEEE80211_IOC_CURCHAN:
1013 error = ieee80211_ioctl_getcurchan(vap, ireq);
1015 case IEEE80211_IOC_SHORTGI:
1017 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20)
1018 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20;
1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40)
1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40;
1022 case IEEE80211_IOC_AMPDU:
1024 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX)
1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX)
1029 case IEEE80211_IOC_AMPDU_LIMIT:
1030 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
1031 ireq->i_val = vap->iv_ampdu_rxmax;
1032 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)
1033 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1034 IEEE80211_HTCAP_MAXRXAMPDU);
1036 ireq->i_val = vap->iv_ampdu_limit;
1038 case IEEE80211_IOC_AMPDU_DENSITY:
1039 if (vap->iv_opmode == IEEE80211_M_STA &&
1040 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1041 ireq->i_val = MS(vap->iv_bss->ni_htparam,
1042 IEEE80211_HTCAP_MPDUDENSITY);
1044 ireq->i_val = vap->iv_ampdu_density;
1046 case IEEE80211_IOC_AMSDU:
1048 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX)
1050 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX)
1053 case IEEE80211_IOC_AMSDU_LIMIT:
1054 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */
1056 case IEEE80211_IOC_PUREN:
1057 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0;
1059 case IEEE80211_IOC_DOTH:
1060 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0;
1062 case IEEE80211_IOC_REGDOMAIN:
1063 error = ieee80211_ioctl_getregdomain(vap, ireq);
1065 case IEEE80211_IOC_ROAM:
1066 error = ieee80211_ioctl_getroam(vap, ireq);
1068 case IEEE80211_IOC_TXPARAMS:
1069 error = ieee80211_ioctl_gettxparams(vap, ireq);
1071 case IEEE80211_IOC_HTCOMPAT:
1072 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0;
1074 case IEEE80211_IOC_DWDS:
1075 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0;
1077 case IEEE80211_IOC_INACTIVITY:
1078 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0;
1080 case IEEE80211_IOC_APPIE:
1081 error = ieee80211_ioctl_getappie(vap, ireq);
1083 case IEEE80211_IOC_WPS:
1084 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0;
1086 case IEEE80211_IOC_TSN:
1087 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0;
1089 case IEEE80211_IOC_DFS:
1090 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0;
1092 case IEEE80211_IOC_DOTD:
1093 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0;
1095 case IEEE80211_IOC_DEVCAPS:
1096 error = ieee80211_ioctl_getdevcaps(ic, ireq);
1098 case IEEE80211_IOC_HTPROTMODE:
1099 ireq->i_val = ic->ic_htprotmode;
1101 case IEEE80211_IOC_HTCONF:
1102 if (vap->iv_flags_ht & IEEE80211_FHT_HT) {
1104 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40)
1109 case IEEE80211_IOC_STA_VLAN:
1110 error = ieee80211_ioctl_getstavlan(vap, ireq);
1112 case IEEE80211_IOC_SMPS:
1113 if (vap->iv_opmode == IEEE80211_M_STA &&
1114 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) {
1115 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS)
1116 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC;
1117 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS)
1118 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA;
1120 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF;
1122 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS;
1124 case IEEE80211_IOC_RIFS:
1125 if (vap->iv_opmode == IEEE80211_M_STA &&
1126 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP))
1128 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0;
1131 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0;
1134 error = ieee80211_ioctl_getdefault(vap, ireq);
1141 static __noinline int
1142 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1144 struct ieee80211req_key ik;
1145 struct ieee80211_node *ni;
1146 struct ieee80211_key *wk;
1150 if (ireq->i_len != sizeof(ik))
1152 error = copyin(ireq->i_data, &ik, sizeof(ik));
1155 /* NB: cipher support is verified by ieee80211_crypt_newkey */
1156 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1157 if (ik.ik_keylen > sizeof(ik.ik_keydata))
1160 if (kid == IEEE80211_KEYIX_NONE) {
1161 /* XXX unicast keys currently must be tx/rx */
1162 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1164 if (vap->iv_opmode == IEEE80211_M_STA) {
1165 ni = ieee80211_ref_node(vap->iv_bss);
1166 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) {
1167 ieee80211_free_node(ni);
1168 return EADDRNOTAVAIL;
1171 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1176 wk = &ni->ni_ucastkey;
1178 if (kid >= IEEE80211_WEP_NKID)
1180 wk = &vap->iv_nw_keys[kid];
1182 * Global slots start off w/o any assigned key index.
1183 * Force one here for consistency with IEEE80211_IOC_WEPKEY.
1185 if (wk->wk_keyix == IEEE80211_KEYIX_NONE)
1190 ieee80211_key_update_begin(vap);
1191 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) {
1192 wk->wk_keylen = ik.ik_keylen;
1193 /* NB: MIC presence is implied by cipher type */
1194 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1195 wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1196 for (i = 0; i < IEEE80211_TID_SIZE; i++)
1197 wk->wk_keyrsc[i] = ik.ik_keyrsc;
1198 wk->wk_keytsc = 0; /* new key, reset */
1199 memset(wk->wk_key, 0, sizeof(wk->wk_key));
1200 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1201 IEEE80211_ADDR_COPY(wk->wk_macaddr,
1202 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr);
1203 if (!ieee80211_crypto_setkey(vap, wk))
1205 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1206 vap->iv_def_txkey = kid;
1209 ieee80211_key_update_end(vap);
1211 ieee80211_free_node(ni);
1215 static __noinline int
1216 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq)
1218 struct ieee80211req_del_key dk;
1221 if (ireq->i_len != sizeof(dk))
1223 error = copyin(ireq->i_data, &dk, sizeof(dk));
1227 /* XXX uint8_t -> uint16_t */
1228 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) {
1229 struct ieee80211_node *ni;
1231 if (vap->iv_opmode == IEEE80211_M_STA) {
1232 ni = ieee80211_ref_node(vap->iv_bss);
1233 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) {
1234 ieee80211_free_node(ni);
1235 return EADDRNOTAVAIL;
1238 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
1243 /* XXX error return */
1244 ieee80211_node_delucastkey(ni);
1245 ieee80211_free_node(ni);
1247 if (kid >= IEEE80211_WEP_NKID)
1249 /* XXX error return */
1250 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]);
1256 struct ieee80211vap *vap;
1262 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN],
1265 #ifdef IEEE80211_DEBUG
1266 static const struct {
1271 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1272 IEEE80211_MSG_ASSOC, "assoc" },
1273 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1274 IEEE80211_MSG_ASSOC, "disassoc" },
1275 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1276 IEEE80211_MSG_AUTH, "deauth" },
1277 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1278 IEEE80211_MSG_AUTH, "authorize" },
1279 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE |
1280 IEEE80211_MSG_AUTH, "unauthorize" },
1283 if (op == IEEE80211_MLME_AUTH) {
1284 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL |
1285 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac,
1286 "station authenticate %s via MLME (reason %d)",
1287 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT",
1289 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) {
1290 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac,
1291 "unknown MLME request %d (reason %d)", op, reason);
1292 } else if (reason == IEEE80211_STATUS_SUCCESS) {
1293 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1294 "station %s via MLME", ops[op].opstr);
1296 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac,
1297 "station %s via MLME (reason %d)", ops[op].opstr, reason);
1299 #endif /* IEEE80211_DEBUG */
1303 domlme(void *arg, struct ieee80211_node *ni)
1305 struct mlmeop *mop = arg;
1306 struct ieee80211vap *vap = ni->ni_vap;
1308 if (vap != mop->vap)
1311 * NB: if ni_associd is zero then the node is already cleaned
1312 * up and we don't need to do this (we're safely holding a
1313 * reference but should otherwise not modify it's state).
1315 if (ni->ni_associd == 0)
1317 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason);
1318 if (mop->op == IEEE80211_MLME_DEAUTH) {
1319 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH,
1322 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC,
1325 ieee80211_node_leave(ni);
1329 setmlme_dropsta(struct ieee80211vap *vap,
1330 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop)
1332 struct ieee80211com *ic = vap->iv_ic;
1333 struct ieee80211_node_table *nt = &ic->ic_sta;
1334 struct ieee80211_node *ni;
1337 /* NB: the broadcast address means do 'em all */
1338 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) {
1339 IEEE80211_NODE_LOCK(nt);
1340 ni = ieee80211_find_node_locked(nt, mac);
1341 IEEE80211_NODE_UNLOCK(nt);
1343 * Don't do the node update inside the node
1344 * table lock. This unfortunately causes LORs
1345 * with drivers and their TX paths.
1349 ieee80211_free_node(ni);
1353 ieee80211_iterate_nodes(nt, domlme, mlmeop);
1358 static __noinline int
1359 setmlme_common(struct ieee80211vap *vap, int op,
1360 const uint8_t mac[IEEE80211_ADDR_LEN], int reason)
1362 struct ieee80211com *ic = vap->iv_ic;
1363 struct ieee80211_node_table *nt = &ic->ic_sta;
1364 struct ieee80211_node *ni;
1365 struct mlmeop mlmeop;
1370 case IEEE80211_MLME_DISASSOC:
1371 case IEEE80211_MLME_DEAUTH:
1372 switch (vap->iv_opmode) {
1373 case IEEE80211_M_STA:
1374 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1375 /* XXX not quite right */
1376 ieee80211_new_state(vap, IEEE80211_S_INIT, reason);
1378 case IEEE80211_M_HOSTAP:
1381 mlmeop.reason = reason;
1382 error = setmlme_dropsta(vap, mac, &mlmeop);
1384 case IEEE80211_M_WDS:
1385 /* XXX user app should send raw frame? */
1386 if (op != IEEE80211_MLME_DEAUTH) {
1391 /* XXX accept any address, simplifies user code */
1392 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) {
1397 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason);
1398 ni = ieee80211_ref_node(vap->iv_bss);
1399 IEEE80211_SEND_MGMT(ni,
1400 IEEE80211_FC0_SUBTYPE_DEAUTH, reason);
1401 ieee80211_free_node(ni);
1403 case IEEE80211_M_MBSS:
1404 IEEE80211_NODE_LOCK(nt);
1405 ni = ieee80211_find_node_locked(nt, mac);
1407 * Don't do the node update inside the node
1408 * table lock. This unfortunately causes LORs
1409 * with drivers and their TX paths.
1411 IEEE80211_NODE_UNLOCK(nt);
1413 ieee80211_node_leave(ni);
1414 ieee80211_free_node(ni);
1424 case IEEE80211_MLME_AUTHORIZE:
1425 case IEEE80211_MLME_UNAUTHORIZE:
1426 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
1427 vap->iv_opmode != IEEE80211_M_WDS) {
1431 IEEE80211_NODE_LOCK(nt);
1432 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1434 * Don't do the node update inside the node
1435 * table lock. This unfortunately causes LORs
1436 * with drivers and their TX paths.
1438 IEEE80211_NODE_UNLOCK(nt);
1440 mlmedebug(vap, mac, op, reason);
1441 if (op == IEEE80211_MLME_AUTHORIZE)
1442 ieee80211_node_authorize(ni);
1444 ieee80211_node_unauthorize(ni);
1445 ieee80211_free_node(ni);
1449 case IEEE80211_MLME_AUTH:
1450 if (vap->iv_opmode != IEEE80211_M_HOSTAP) {
1454 IEEE80211_NODE_LOCK(nt);
1455 ni = ieee80211_find_vap_node_locked(nt, vap, mac);
1457 * Don't do the node update inside the node
1458 * table lock. This unfortunately causes LORs
1459 * with drivers and their TX paths.
1461 IEEE80211_NODE_UNLOCK(nt);
1463 mlmedebug(vap, mac, op, reason);
1464 if (reason == IEEE80211_STATUS_SUCCESS) {
1465 IEEE80211_SEND_MGMT(ni,
1466 IEEE80211_FC0_SUBTYPE_AUTH, 2);
1468 * For shared key auth, just continue the
1469 * exchange. Otherwise when 802.1x is not in
1470 * use mark the port authorized at this point
1471 * so traffic can flow.
1473 if (ni->ni_authmode != IEEE80211_AUTH_8021X &&
1474 ni->ni_challenge == NULL)
1475 ieee80211_node_authorize(ni);
1477 vap->iv_stats.is_rx_acl++;
1478 ieee80211_send_error(ni, ni->ni_macaddr,
1479 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16));
1480 ieee80211_node_leave(ni);
1482 ieee80211_free_node(ni);
1496 const uint8_t *essid;
1497 const struct ieee80211_scan_entry *se;
1501 * Match mac address and any ssid.
1504 mlmelookup(void *arg, const struct ieee80211_scan_entry *se)
1506 struct scanlookup *look = arg;
1508 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr))
1510 if (look->esslen != 0) {
1511 if (se->se_ssid[1] != look->esslen)
1513 if (memcmp(look->essid, se->se_ssid+2, look->esslen))
1519 static __noinline int
1520 setmlme_assoc_sta(struct ieee80211vap *vap,
1521 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1522 const uint8_t ssid[IEEE80211_NWID_LEN])
1524 struct scanlookup lookup;
1526 KASSERT(vap->iv_opmode == IEEE80211_M_STA,
1527 ("expected opmode STA not %s",
1528 ieee80211_opmode_name[vap->iv_opmode]));
1530 /* NB: this is racey if roaming is !manual */
1533 lookup.esslen = ssid_len;
1534 lookup.essid = ssid;
1535 ieee80211_scan_iterate(vap, mlmelookup, &lookup);
1536 if (lookup.se == NULL)
1538 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0);
1539 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se))
1540 return EIO; /* XXX unique but could be better */
1544 static __noinline int
1545 setmlme_assoc_adhoc(struct ieee80211vap *vap,
1546 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len,
1547 const uint8_t ssid[IEEE80211_NWID_LEN])
1549 struct ieee80211_scan_req sr;
1551 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS ||
1552 vap->iv_opmode == IEEE80211_M_AHDEMO,
1553 ("expected opmode IBSS or AHDEMO not %s",
1554 ieee80211_opmode_name[vap->iv_opmode]));
1559 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */
1560 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
1561 vap->iv_des_ssid[0].len = ssid_len;
1562 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len);
1563 vap->iv_des_nssid = 1;
1565 memset(&sr, 0, sizeof(sr));
1566 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE;
1567 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER;
1568 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len);
1569 sr.sr_ssid[0].len = ssid_len;
1572 return ieee80211_scanreq(vap, &sr);
1575 static __noinline int
1576 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq)
1578 struct ieee80211req_mlme mlme;
1581 if (ireq->i_len != sizeof(mlme))
1583 error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1586 if (vap->iv_opmode == IEEE80211_M_STA &&
1587 mlme.im_op == IEEE80211_MLME_ASSOC)
1588 return setmlme_assoc_sta(vap, mlme.im_macaddr,
1589 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid);
1590 else if ((vap->iv_opmode == IEEE80211_M_IBSS ||
1591 vap->iv_opmode == IEEE80211_M_AHDEMO) &&
1592 mlme.im_op == IEEE80211_MLME_ASSOC)
1593 return setmlme_assoc_adhoc(vap, mlme.im_macaddr,
1594 mlme.im_ssid_len, mlme.im_ssid);
1596 return setmlme_common(vap, mlme.im_op,
1597 mlme.im_macaddr, mlme.im_reason);
1600 static __noinline int
1601 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq)
1603 uint8_t mac[IEEE80211_ADDR_LEN];
1604 const struct ieee80211_aclator *acl = vap->iv_acl;
1607 if (ireq->i_len != sizeof(mac))
1609 error = copyin(ireq->i_data, mac, ireq->i_len);
1613 acl = ieee80211_aclator_get("mac");
1614 if (acl == NULL || !acl->iac_attach(vap))
1618 if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1619 acl->iac_add(vap, mac);
1621 acl->iac_remove(vap, mac);
1625 static __noinline int
1626 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq)
1628 const struct ieee80211_aclator *acl = vap->iv_acl;
1630 switch (ireq->i_val) {
1631 case IEEE80211_MACCMD_POLICY_OPEN:
1632 case IEEE80211_MACCMD_POLICY_ALLOW:
1633 case IEEE80211_MACCMD_POLICY_DENY:
1634 case IEEE80211_MACCMD_POLICY_RADIUS:
1636 acl = ieee80211_aclator_get("mac");
1637 if (acl == NULL || !acl->iac_attach(vap))
1641 acl->iac_setpolicy(vap, ireq->i_val);
1643 case IEEE80211_MACCMD_FLUSH:
1645 acl->iac_flush(vap);
1646 /* NB: silently ignore when not in use */
1648 case IEEE80211_MACCMD_DETACH:
1651 acl->iac_detach(vap);
1658 return acl->iac_setioctl(vap, ireq);
1663 static __noinline int
1664 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq)
1666 struct ieee80211com *ic = vap->iv_ic;
1667 uint8_t *chanlist, *list;
1668 int i, nchan, maxchan, error;
1670 if (ireq->i_len > sizeof(ic->ic_chan_active))
1671 ireq->i_len = sizeof(ic->ic_chan_active);
1672 list = IEEE80211_MALLOC(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP,
1673 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
1676 error = copyin(ireq->i_data, list, ireq->i_len);
1678 IEEE80211_FREE(list, M_TEMP);
1682 chanlist = list + ireq->i_len; /* NB: zero'd already */
1683 maxchan = ireq->i_len * NBBY;
1684 for (i = 0; i < ic->ic_nchans; i++) {
1685 const struct ieee80211_channel *c = &ic->ic_channels[i];
1687 * Calculate the intersection of the user list and the
1688 * available channels so users can do things like specify
1689 * 1-255 to get all available channels.
1691 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) {
1692 setbit(chanlist, c->ic_ieee);
1697 IEEE80211_FREE(list, M_TEMP);
1700 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */
1701 isclr(chanlist, ic->ic_bsschan->ic_ieee))
1702 ic->ic_bsschan = IEEE80211_CHAN_ANYC;
1703 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES);
1704 ieee80211_scan_flush(vap);
1705 IEEE80211_FREE(list, M_TEMP);
1709 static __noinline int
1710 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq)
1712 struct ieee80211_node *ni;
1713 uint8_t macaddr[IEEE80211_ADDR_LEN];
1717 * NB: we could copyin ieee80211req_sta_stats so apps
1718 * could make selective changes but that's overkill;
1719 * just clear all stats for now.
1721 if (ireq->i_len < IEEE80211_ADDR_LEN)
1723 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
1726 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr);
1729 /* XXX require ni_vap == vap? */
1730 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats));
1731 ieee80211_free_node(ni);
1735 static __noinline int
1736 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq)
1738 struct ieee80211_node *ni;
1739 struct ieee80211req_sta_txpow txpow;
1742 if (ireq->i_len != sizeof(txpow))
1744 error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1747 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr);
1750 ni->ni_txpower = txpow.it_txpow;
1751 ieee80211_free_node(ni);
1755 static __noinline int
1756 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq)
1758 struct ieee80211com *ic = vap->iv_ic;
1759 struct ieee80211_wme_state *wme = &ic->ic_wme;
1760 struct wmeParams *wmep, *chanp;
1763 if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1766 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1767 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1768 if (ac >= WME_NUM_AC)
1771 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1772 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1774 chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1775 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1777 switch (ireq->i_type) {
1778 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
1780 wmep->wmep_logcwmin = ireq->i_val;
1781 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1782 chanp->wmep_logcwmin = ireq->i_val;
1784 wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1788 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
1790 wmep->wmep_logcwmax = ireq->i_val;
1791 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1792 chanp->wmep_logcwmax = ireq->i_val;
1794 wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1798 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
1800 wmep->wmep_aifsn = ireq->i_val;
1801 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1802 chanp->wmep_aifsn = ireq->i_val;
1804 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1807 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
1809 wmep->wmep_txopLimit = ireq->i_val;
1810 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1811 chanp->wmep_txopLimit = ireq->i_val;
1813 wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1817 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
1818 wmep->wmep_acm = ireq->i_val;
1819 if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1820 chanp->wmep_acm = ireq->i_val;
1822 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/
1823 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1827 ieee80211_wme_updateparams(vap);
1832 find11gchannel(struct ieee80211com *ic, int start, int freq)
1834 const struct ieee80211_channel *c;
1837 for (i = start+1; i < ic->ic_nchans; i++) {
1838 c = &ic->ic_channels[i];
1839 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1842 /* NB: should not be needed but in case things are mis-sorted */
1843 for (i = 0; i < start; i++) {
1844 c = &ic->ic_channels[i];
1845 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c))
1851 static struct ieee80211_channel *
1852 findchannel(struct ieee80211com *ic, int ieee, int mode)
1854 static const u_int chanflags[IEEE80211_MODE_MAX] = {
1855 [IEEE80211_MODE_AUTO] = 0,
1856 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A,
1857 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B,
1858 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G,
1859 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS,
1860 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A,
1861 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G,
1862 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO,
1863 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF,
1864 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER,
1865 /* NB: handled specially below */
1866 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A,
1867 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G,
1872 modeflags = chanflags[mode];
1873 for (i = 0; i < ic->ic_nchans; i++) {
1874 struct ieee80211_channel *c = &ic->ic_channels[i];
1876 if (c->ic_ieee != ieee)
1878 if (mode == IEEE80211_MODE_AUTO) {
1879 /* ignore turbo channels for autoselect */
1880 if (IEEE80211_IS_CHAN_TURBO(c))
1883 * XXX special-case 11b/g channels so we
1884 * always select the g channel if both
1886 * XXX prefer HT to non-HT?
1888 if (!IEEE80211_IS_CHAN_B(c) ||
1889 !find11gchannel(ic, i, c->ic_freq))
1892 /* must check HT specially */
1893 if ((mode == IEEE80211_MODE_11NA ||
1894 mode == IEEE80211_MODE_11NG) &&
1895 !IEEE80211_IS_CHAN_HT(c))
1897 if ((c->ic_flags & modeflags) == modeflags)
1905 * Check the specified against any desired mode (aka netband).
1906 * This is only used (presently) when operating in hostap mode
1907 * to enforce consistency.
1910 check_mode_consistency(const struct ieee80211_channel *c, int mode)
1912 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel"));
1915 case IEEE80211_MODE_11B:
1916 return (IEEE80211_IS_CHAN_B(c));
1917 case IEEE80211_MODE_11G:
1918 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c));
1919 case IEEE80211_MODE_11A:
1920 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c));
1921 case IEEE80211_MODE_STURBO_A:
1922 return (IEEE80211_IS_CHAN_STURBO(c));
1923 case IEEE80211_MODE_11NA:
1924 return (IEEE80211_IS_CHAN_HTA(c));
1925 case IEEE80211_MODE_11NG:
1926 return (IEEE80211_IS_CHAN_HTG(c));
1933 * Common code to set the current channel. If the device
1934 * is up and running this may result in an immediate channel
1935 * change or a kick of the state machine.
1938 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c)
1940 struct ieee80211com *ic = vap->iv_ic;
1943 if (c != IEEE80211_CHAN_ANYC) {
1944 if (IEEE80211_IS_CHAN_RADAR(c))
1945 return EBUSY; /* XXX better code? */
1946 if (vap->iv_opmode == IEEE80211_M_HOSTAP) {
1947 if (IEEE80211_IS_CHAN_NOHOSTAP(c))
1949 if (!check_mode_consistency(c, vap->iv_des_mode))
1951 } else if (vap->iv_opmode == IEEE80211_M_IBSS) {
1952 if (IEEE80211_IS_CHAN_NOADHOC(c))
1955 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) &&
1956 vap->iv_bss->ni_chan == c)
1957 return 0; /* NB: nothing to do */
1959 vap->iv_des_chan = c;
1962 if (vap->iv_opmode == IEEE80211_M_MONITOR &&
1963 vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1965 * Monitor mode can switch directly.
1967 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) {
1968 /* XXX need state machine for other vap's to follow */
1969 ieee80211_setcurchan(ic, vap->iv_des_chan);
1970 vap->iv_bss->ni_chan = ic->ic_curchan;
1972 ic->ic_curchan = vap->iv_des_chan;
1973 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1976 * Need to go through the state machine in case we
1977 * need to reassociate or the like. The state machine
1978 * will pickup the desired channel and avoid scanning.
1980 if (IS_UP_AUTO(vap))
1981 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
1982 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) {
1984 * When not up+running and a real channel has
1985 * been specified fix the current channel so
1986 * there is immediate feedback; e.g. via ifconfig.
1988 ic->ic_curchan = vap->iv_des_chan;
1989 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan);
1996 * Old api for setting the current channel; this is
1997 * deprecated because channel numbers are ambiguous.
1999 static __noinline int
2000 ieee80211_ioctl_setchannel(struct ieee80211vap *vap,
2001 const struct ieee80211req *ireq)
2003 struct ieee80211com *ic = vap->iv_ic;
2004 struct ieee80211_channel *c;
2006 /* XXX 0xffff overflows 16-bit signed */
2007 if (ireq->i_val == 0 ||
2008 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) {
2009 c = IEEE80211_CHAN_ANYC;
2011 struct ieee80211_channel *c2;
2013 c = findchannel(ic, ireq->i_val, vap->iv_des_mode);
2015 c = findchannel(ic, ireq->i_val,
2016 IEEE80211_MODE_AUTO);
2021 * Fine tune channel selection based on desired mode:
2022 * if 11b is requested, find the 11b version of any
2023 * 11g channel returned,
2024 * if static turbo, find the turbo version of any
2025 * 11a channel return,
2026 * if 11na is requested, find the ht version of any
2027 * 11a channel returned,
2028 * if 11ng is requested, find the ht version of any
2029 * 11g channel returned,
2030 * otherwise we should be ok with what we've got.
2032 switch (vap->iv_des_mode) {
2033 case IEEE80211_MODE_11B:
2034 if (IEEE80211_IS_CHAN_ANYG(c)) {
2035 c2 = findchannel(ic, ireq->i_val,
2036 IEEE80211_MODE_11B);
2037 /* NB: should not happen, =>'s 11g w/o 11b */
2042 case IEEE80211_MODE_TURBO_A:
2043 if (IEEE80211_IS_CHAN_A(c)) {
2044 c2 = findchannel(ic, ireq->i_val,
2045 IEEE80211_MODE_TURBO_A);
2050 case IEEE80211_MODE_11NA:
2051 if (IEEE80211_IS_CHAN_A(c)) {
2052 c2 = findchannel(ic, ireq->i_val,
2053 IEEE80211_MODE_11NA);
2058 case IEEE80211_MODE_11NG:
2059 if (IEEE80211_IS_CHAN_ANYG(c)) {
2060 c2 = findchannel(ic, ireq->i_val,
2061 IEEE80211_MODE_11NG);
2066 default: /* NB: no static turboG */
2070 return setcurchan(vap, c);
2074 * New/current api for setting the current channel; a complete
2075 * channel description is provide so there is no ambiguity in
2076 * identifying the channel.
2078 static __noinline int
2079 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap,
2080 const struct ieee80211req *ireq)
2082 struct ieee80211com *ic = vap->iv_ic;
2083 struct ieee80211_channel chan, *c;
2086 if (ireq->i_len != sizeof(chan))
2088 error = copyin(ireq->i_data, &chan, sizeof(chan));
2091 /* XXX 0xffff overflows 16-bit signed */
2092 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) {
2093 c = IEEE80211_CHAN_ANYC;
2095 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags);
2099 return setcurchan(vap, c);
2102 static __noinline int
2103 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap,
2104 const struct ieee80211req *ireq)
2106 struct ieee80211_regdomain_req *reg;
2109 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) /
2110 sizeof(struct ieee80211_channel));
2111 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) {
2112 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2113 "%s: bad # chans, i_len %d nchans %d\n", __func__,
2114 ireq->i_len, nchans);
2117 reg = (struct ieee80211_regdomain_req *)
2118 IEEE80211_MALLOC(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP,
2119 IEEE80211_M_NOWAIT | IEEE80211_M_ZERO);
2121 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2122 "%s: no memory, nchans %d\n", __func__, nchans);
2125 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans));
2127 /* NB: validate inline channel count against storage size */
2128 if (reg->chaninfo.ic_nchans != nchans) {
2129 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL,
2130 "%s: chan cnt mismatch, %d != %d\n", __func__,
2131 reg->chaninfo.ic_nchans, nchans);
2134 error = ieee80211_setregdomain(vap, reg);
2136 IEEE80211_FREE(reg, M_TEMP);
2138 return (error == 0 ? ENETRESET : error);
2142 ieee80211_ioctl_setroam(struct ieee80211vap *vap,
2143 const struct ieee80211req *ireq)
2145 if (ireq->i_len != sizeof(vap->iv_roamparms))
2147 /* XXX validate params */
2148 /* XXX? ENETRESET to push to device? */
2149 return copyin(ireq->i_data, vap->iv_roamparms,
2150 sizeof(vap->iv_roamparms));
2154 checkrate(const struct ieee80211_rateset *rs, int rate)
2158 if (rate == IEEE80211_FIXED_RATE_NONE)
2160 for (i = 0; i < rs->rs_nrates; i++)
2161 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate)
2169 if (mcs == IEEE80211_FIXED_RATE_NONE)
2171 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */
2173 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */
2176 static __noinline int
2177 ieee80211_ioctl_settxparams(struct ieee80211vap *vap,
2178 const struct ieee80211req *ireq)
2180 struct ieee80211com *ic = vap->iv_ic;
2181 struct ieee80211_txparams_req parms; /* XXX stack use? */
2182 struct ieee80211_txparam *src, *dst;
2183 const struct ieee80211_rateset *rs;
2184 int error, mode, changed, is11n, nmodes;
2186 /* NB: accept short requests for backwards compat */
2187 if (ireq->i_len > sizeof(parms))
2189 error = copyin(ireq->i_data, &parms, ireq->i_len);
2192 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam);
2194 /* validate parameters and check if anything changed */
2195 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2196 if (isclr(ic->ic_modecaps, mode))
2198 src = &parms.params[mode];
2199 dst = &vap->iv_txparms[mode];
2200 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */
2201 is11n = (mode == IEEE80211_MODE_11NA ||
2202 mode == IEEE80211_MODE_11NG);
2203 if (src->ucastrate != dst->ucastrate) {
2204 if (!checkrate(rs, src->ucastrate) &&
2205 (!is11n || !checkmcs(src->ucastrate)))
2209 if (src->mcastrate != dst->mcastrate) {
2210 if (!checkrate(rs, src->mcastrate) &&
2211 (!is11n || !checkmcs(src->mcastrate)))
2215 if (src->mgmtrate != dst->mgmtrate) {
2216 if (!checkrate(rs, src->mgmtrate) &&
2217 (!is11n || !checkmcs(src->mgmtrate)))
2221 if (src->maxretry != dst->maxretry) /* NB: no bounds */
2226 * Copy new parameters in place and notify the
2227 * driver so it can push state to the device.
2229 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) {
2230 if (isset(ic->ic_modecaps, mode))
2231 vap->iv_txparms[mode] = parms.params[mode];
2233 /* XXX could be more intelligent,
2234 e.g. don't reset if setting not being used */
2241 * Application Information Element support.
2244 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq)
2246 struct ieee80211_appie *app = *aie;
2247 struct ieee80211_appie *napp;
2250 if (ireq->i_len == 0) { /* delete any existing ie */
2252 *aie = NULL; /* XXX racey */
2253 IEEE80211_FREE(app, M_80211_NODE_IE);
2257 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE))
2260 * Allocate a new appie structure and copy in the user data.
2261 * When done swap in the new structure. Note that we do not
2262 * guard against users holding a ref to the old structure;
2263 * this must be handled outside this code.
2267 napp = (struct ieee80211_appie *) IEEE80211_MALLOC(
2268 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE,
2269 IEEE80211_M_NOWAIT);
2272 /* XXX holding ic lock */
2273 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len);
2275 IEEE80211_FREE(napp, M_80211_NODE_IE);
2278 napp->ie_len = ireq->i_len;
2281 IEEE80211_FREE(app, M_80211_NODE_IE);
2286 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space)
2288 /* validate data is present as best we can */
2289 if (space == 0 || 2+ie[1] > space)
2291 if (ie[0] == IEEE80211_ELEMID_VENDOR)
2292 vap->iv_wpa_ie = ie;
2293 else if (ie[0] == IEEE80211_ELEMID_RSN)
2294 vap->iv_rsn_ie = ie;
2297 static __noinline int
2298 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap,
2299 const struct ieee80211req *ireq, int fc0)
2303 IEEE80211_LOCK_ASSERT(vap->iv_ic);
2305 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) {
2306 case IEEE80211_FC0_SUBTYPE_BEACON:
2307 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2308 vap->iv_opmode != IEEE80211_M_IBSS) {
2312 error = setappie(&vap->iv_appie_beacon, ireq);
2314 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE);
2316 case IEEE80211_FC0_SUBTYPE_PROBE_RESP:
2317 error = setappie(&vap->iv_appie_proberesp, ireq);
2319 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP:
2320 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
2321 error = setappie(&vap->iv_appie_assocresp, ireq);
2325 case IEEE80211_FC0_SUBTYPE_PROBE_REQ:
2326 error = setappie(&vap->iv_appie_probereq, ireq);
2328 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ:
2329 if (vap->iv_opmode == IEEE80211_M_STA)
2330 error = setappie(&vap->iv_appie_assocreq, ireq);
2334 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK):
2335 error = setappie(&vap->iv_appie_wpa, ireq);
2338 * Must split single blob of data into separate
2339 * WPA and RSN ie's because they go in different
2340 * locations in the mgt frames.
2341 * XXX use IEEE80211_IOC_WPA2 so user code does split
2343 vap->iv_wpa_ie = NULL;
2344 vap->iv_rsn_ie = NULL;
2345 if (vap->iv_appie_wpa != NULL) {
2346 struct ieee80211_appie *appie =
2348 uint8_t *data = appie->ie_data;
2350 /* XXX ie length validate is painful, cheat */
2351 setwparsnie(vap, data, appie->ie_len);
2352 setwparsnie(vap, data + 2 + data[1],
2353 appie->ie_len - (2 + data[1]));
2355 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
2356 vap->iv_opmode == IEEE80211_M_IBSS) {
2358 * Must rebuild beacon frame as the update
2359 * mechanism doesn't handle WPA/RSN ie's.
2360 * Could extend it but it doesn't normally
2361 * change; this is just to deal with hostapd
2362 * plumbing the ie after the interface is up.
2375 static __noinline int
2376 ieee80211_ioctl_setappie(struct ieee80211vap *vap,
2377 const struct ieee80211req *ireq)
2379 struct ieee80211com *ic = vap->iv_ic;
2383 fc0 = ireq->i_val & 0xff;
2384 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT)
2386 /* NB: could check iv_opmode and reject but hardly worth the effort */
2388 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0);
2389 IEEE80211_UNLOCK(ic);
2393 static __noinline int
2394 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq)
2396 struct ieee80211com *ic = vap->iv_ic;
2397 struct ieee80211_chanswitch_req csr;
2398 struct ieee80211_channel *c;
2401 if (ireq->i_len != sizeof(csr))
2403 error = copyin(ireq->i_data, &csr, sizeof(csr));
2406 /* XXX adhoc mode not supported */
2407 if (vap->iv_opmode != IEEE80211_M_HOSTAP ||
2408 (vap->iv_flags & IEEE80211_F_DOTH) == 0)
2410 c = ieee80211_find_channel(ic,
2411 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags);
2415 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0)
2416 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count);
2417 else if (csr.csa_count == 0)
2418 ieee80211_csa_cancelswitch(ic);
2421 IEEE80211_UNLOCK(ic);
2426 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr)
2428 #define IEEE80211_IOC_SCAN_FLAGS \
2429 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \
2430 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \
2431 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \
2432 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \
2433 IEEE80211_IOC_SCAN_CHECK)
2434 struct ieee80211com *ic = vap->iv_ic;
2437 /* convert duration */
2438 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER)
2439 sr->sr_duration = IEEE80211_SCAN_FOREVER;
2441 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN ||
2442 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX)
2444 sr->sr_duration = msecs_to_ticks(sr->sr_duration);
2445 if (sr->sr_duration < 1)
2446 sr->sr_duration = 1;
2448 /* convert min/max channel dwell */
2449 if (sr->sr_mindwell != 0) {
2450 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell);
2451 if (sr->sr_mindwell < 1)
2452 sr->sr_mindwell = 1;
2454 if (sr->sr_maxdwell != 0) {
2455 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell);
2456 if (sr->sr_maxdwell < 1)
2457 sr->sr_maxdwell = 1;
2459 /* NB: silently reduce ssid count to what is supported */
2460 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID)
2461 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID;
2462 for (i = 0; i < sr->sr_nssid; i++)
2463 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN)
2465 /* cleanse flags just in case, could reject if invalid flags */
2466 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS;
2468 * Add an implicit NOPICK if the vap is not marked UP. This
2469 * allows applications to scan without joining a bss (or picking
2470 * a channel and setting up a bss) and without forcing manual
2471 * roaming mode--you just need to mark the parent device UP.
2473 if ((vap->iv_ifp->if_flags & IFF_UP) == 0)
2474 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK;
2476 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2477 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n",
2478 __func__, sr->sr_flags,
2479 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "",
2480 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid);
2482 * If we are in INIT state then the driver has never had a chance
2483 * to setup hardware state to do a scan; we must use the state
2484 * machine to get us up to the SCAN state but once we reach SCAN
2485 * state we then want to use the supplied params. Stash the
2486 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the
2487 * state machines will recognize this and use the stashed params
2488 * to issue the scan request.
2490 * Otherwise just invoke the scan machinery directly.
2493 if (vap->iv_state == IEEE80211_S_INIT) {
2494 /* NB: clobbers previous settings */
2495 vap->iv_scanreq_flags = sr->sr_flags;
2496 vap->iv_scanreq_duration = sr->sr_duration;
2497 vap->iv_scanreq_nssid = sr->sr_nssid;
2498 for (i = 0; i < sr->sr_nssid; i++) {
2499 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len;
2500 memcpy(vap->iv_scanreq_ssid[i].ssid,
2501 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len);
2503 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ;
2504 IEEE80211_UNLOCK(ic);
2505 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2507 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ;
2508 IEEE80211_UNLOCK(ic);
2509 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) {
2510 error = ieee80211_check_scan(vap, sr->sr_flags,
2511 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2513 /* NB: cheat, we assume structures are compatible */
2514 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2516 error = ieee80211_start_scan(vap, sr->sr_flags,
2517 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell,
2519 /* NB: cheat, we assume structures are compatible */
2520 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]);
2526 #undef IEEE80211_IOC_SCAN_FLAGS
2529 static __noinline int
2530 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq)
2532 struct ieee80211com *ic = vap->iv_ic;
2533 struct ieee80211_scan_req sr; /* XXX off stack? */
2536 /* NB: parent must be running */
2537 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
2540 if (ireq->i_len != sizeof(sr))
2542 error = copyin(ireq->i_data, &sr, sizeof(sr));
2545 return ieee80211_scanreq(vap, &sr);
2548 static __noinline int
2549 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq)
2551 struct ieee80211_node *ni;
2552 struct ieee80211req_sta_vlan vlan;
2555 if (ireq->i_len != sizeof(vlan))
2557 error = copyin(ireq->i_data, &vlan, sizeof(vlan));
2560 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) {
2561 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap,
2566 ni = ieee80211_ref_node(vap->iv_bss);
2567 ni->ni_vlan = vlan.sv_vlan;
2568 ieee80211_free_node(ni);
2573 isvap11g(const struct ieee80211vap *vap)
2575 const struct ieee80211_node *bss = vap->iv_bss;
2576 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2577 IEEE80211_IS_CHAN_ANYG(bss->ni_chan);
2581 isvapht(const struct ieee80211vap *vap)
2583 const struct ieee80211_node *bss = vap->iv_bss;
2584 return bss->ni_chan != IEEE80211_CHAN_ANYC &&
2585 IEEE80211_IS_CHAN_HT(bss->ni_chan);
2589 * Dummy ioctl set handler so the linker set is defined.
2592 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq)
2596 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set);
2599 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq)
2601 ieee80211_ioctl_setfunc * const *set;
2604 SET_FOREACH(set, ieee80211_ioctl_setset) {
2605 error = (*set)(vap, ireq);
2606 if (error != ENOSYS)
2612 static __noinline int
2613 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq)
2615 struct ieee80211com *ic = vap->iv_ic;
2617 const struct ieee80211_authenticator *auth;
2618 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE];
2619 char tmpssid[IEEE80211_NWID_LEN];
2620 uint8_t tmpbssid[IEEE80211_ADDR_LEN];
2621 struct ieee80211_key *k;
2626 switch (ireq->i_type) {
2627 case IEEE80211_IOC_SSID:
2628 if (ireq->i_val != 0 ||
2629 ireq->i_len > IEEE80211_NWID_LEN)
2631 error = copyin(ireq->i_data, tmpssid, ireq->i_len);
2634 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN);
2635 vap->iv_des_ssid[0].len = ireq->i_len;
2636 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len);
2637 vap->iv_des_nssid = (ireq->i_len > 0);
2640 case IEEE80211_IOC_WEP:
2641 switch (ireq->i_val) {
2642 case IEEE80211_WEP_OFF:
2643 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2644 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2646 case IEEE80211_WEP_ON:
2647 vap->iv_flags |= IEEE80211_F_PRIVACY;
2648 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2650 case IEEE80211_WEP_MIXED:
2651 vap->iv_flags |= IEEE80211_F_PRIVACY;
2652 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2657 case IEEE80211_IOC_WEPKEY:
2658 kid = (u_int) ireq->i_val;
2659 if (kid >= IEEE80211_WEP_NKID)
2661 k = &vap->iv_nw_keys[kid];
2662 if (ireq->i_len == 0) {
2663 /* zero-len =>'s delete any existing key */
2664 (void) ieee80211_crypto_delkey(vap, k);
2667 if (ireq->i_len > sizeof(tmpkey))
2669 memset(tmpkey, 0, sizeof(tmpkey));
2670 error = copyin(ireq->i_data, tmpkey, ireq->i_len);
2673 ieee80211_key_update_begin(vap);
2674 k->wk_keyix = kid; /* NB: force fixed key id */
2675 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP,
2676 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) {
2677 k->wk_keylen = ireq->i_len;
2678 memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
2679 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr);
2680 if (!ieee80211_crypto_setkey(vap, k))
2684 ieee80211_key_update_end(vap);
2686 case IEEE80211_IOC_WEPTXKEY:
2687 kid = (u_int) ireq->i_val;
2688 if (kid >= IEEE80211_WEP_NKID &&
2689 (uint16_t) kid != IEEE80211_KEYIX_NONE)
2691 vap->iv_def_txkey = kid;
2693 case IEEE80211_IOC_AUTHMODE:
2694 switch (ireq->i_val) {
2695 case IEEE80211_AUTH_WPA:
2696 case IEEE80211_AUTH_8021X: /* 802.1x */
2697 case IEEE80211_AUTH_OPEN: /* open */
2698 case IEEE80211_AUTH_SHARED: /* shared-key */
2699 case IEEE80211_AUTH_AUTO: /* auto */
2700 auth = ieee80211_authenticator_get(ireq->i_val);
2707 switch (ireq->i_val) {
2708 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */
2709 vap->iv_flags |= IEEE80211_F_PRIVACY;
2710 ireq->i_val = IEEE80211_AUTH_8021X;
2712 case IEEE80211_AUTH_OPEN: /* open */
2713 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2715 case IEEE80211_AUTH_SHARED: /* shared-key */
2716 case IEEE80211_AUTH_8021X: /* 802.1x */
2717 vap->iv_flags &= ~IEEE80211_F_WPA;
2718 /* both require a key so mark the PRIVACY capability */
2719 vap->iv_flags |= IEEE80211_F_PRIVACY;
2721 case IEEE80211_AUTH_AUTO: /* auto */
2722 vap->iv_flags &= ~IEEE80211_F_WPA;
2723 /* XXX PRIVACY handling? */
2724 /* XXX what's the right way to do this? */
2727 /* NB: authenticator attach/detach happens on state change */
2728 vap->iv_bss->ni_authmode = ireq->i_val;
2729 /* XXX mixed/mode/usage? */
2730 vap->iv_auth = auth;
2733 case IEEE80211_IOC_CHANNEL:
2734 error = ieee80211_ioctl_setchannel(vap, ireq);
2736 case IEEE80211_IOC_POWERSAVE:
2737 switch (ireq->i_val) {
2738 case IEEE80211_POWERSAVE_OFF:
2739 if (vap->iv_flags & IEEE80211_F_PMGTON) {
2740 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON);
2744 case IEEE80211_POWERSAVE_ON:
2745 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0)
2747 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) {
2748 ieee80211_syncflag(vap, IEEE80211_F_PMGTON);
2757 case IEEE80211_IOC_POWERSAVESLEEP:
2758 if (ireq->i_val < 0)
2760 ic->ic_lintval = ireq->i_val;
2763 case IEEE80211_IOC_RTSTHRESHOLD:
2764 if (!(IEEE80211_RTS_MIN <= ireq->i_val &&
2765 ireq->i_val <= IEEE80211_RTS_MAX))
2767 vap->iv_rtsthreshold = ireq->i_val;
2770 case IEEE80211_IOC_PROTMODE:
2771 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2773 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val;
2774 /* NB: if not operating in 11g this can wait */
2775 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC &&
2776 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan))
2779 case IEEE80211_IOC_TXPOWER:
2780 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2782 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val &&
2783 ireq->i_val <= IEEE80211_TXPOWER_MAX))
2785 ic->ic_txpowlimit = ireq->i_val;
2788 case IEEE80211_IOC_ROAMING:
2789 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2790 ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2792 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val;
2795 case IEEE80211_IOC_PRIVACY:
2797 /* XXX check for key state? */
2798 vap->iv_flags |= IEEE80211_F_PRIVACY;
2800 vap->iv_flags &= ~IEEE80211_F_PRIVACY;
2803 case IEEE80211_IOC_DROPUNENCRYPTED:
2805 vap->iv_flags |= IEEE80211_F_DROPUNENC;
2807 vap->iv_flags &= ~IEEE80211_F_DROPUNENC;
2810 case IEEE80211_IOC_WPAKEY:
2811 error = ieee80211_ioctl_setkey(vap, ireq);
2813 case IEEE80211_IOC_DELKEY:
2814 error = ieee80211_ioctl_delkey(vap, ireq);
2816 case IEEE80211_IOC_MLME:
2817 error = ieee80211_ioctl_setmlme(vap, ireq);
2819 case IEEE80211_IOC_COUNTERMEASURES:
2821 if ((vap->iv_flags & IEEE80211_F_WPA) == 0)
2823 vap->iv_flags |= IEEE80211_F_COUNTERM;
2825 vap->iv_flags &= ~IEEE80211_F_COUNTERM;
2828 case IEEE80211_IOC_WPA:
2829 if (ireq->i_val > 3)
2831 /* XXX verify ciphers available */
2832 flags = vap->iv_flags & ~IEEE80211_F_WPA;
2833 switch (ireq->i_val) {
2835 if (!(vap->iv_caps & IEEE80211_C_WPA1))
2837 flags |= IEEE80211_F_WPA1;
2840 if (!(vap->iv_caps & IEEE80211_C_WPA2))
2842 flags |= IEEE80211_F_WPA2;
2845 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA)
2847 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2849 default: /* Can't set any -> error */
2852 vap->iv_flags = flags;
2853 error = ERESTART; /* NB: can change beacon frame */
2855 case IEEE80211_IOC_WME:
2857 if ((vap->iv_caps & IEEE80211_C_WME) == 0)
2859 ieee80211_syncflag(vap, IEEE80211_F_WME);
2861 ieee80211_syncflag(vap, -IEEE80211_F_WME);
2862 error = ERESTART; /* NB: can change beacon frame */
2864 case IEEE80211_IOC_HIDESSID:
2866 vap->iv_flags |= IEEE80211_F_HIDESSID;
2868 vap->iv_flags &= ~IEEE80211_F_HIDESSID;
2869 error = ERESTART; /* XXX ENETRESET? */
2871 case IEEE80211_IOC_APBRIDGE:
2872 if (ireq->i_val == 0)
2873 vap->iv_flags |= IEEE80211_F_NOBRIDGE;
2875 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE;
2877 case IEEE80211_IOC_BSSID:
2878 if (ireq->i_len != sizeof(tmpbssid))
2880 error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2883 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid);
2884 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid))
2885 vap->iv_flags &= ~IEEE80211_F_DESBSSID;
2887 vap->iv_flags |= IEEE80211_F_DESBSSID;
2890 case IEEE80211_IOC_CHANLIST:
2891 error = ieee80211_ioctl_setchanlist(vap, ireq);
2893 #define OLD_IEEE80211_IOC_SCAN_REQ 23
2894 #ifdef OLD_IEEE80211_IOC_SCAN_REQ
2895 case OLD_IEEE80211_IOC_SCAN_REQ:
2896 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2897 "%s: active scan request\n", __func__);
2899 * If we are in INIT state then the driver has never
2900 * had a chance to setup hardware state to do a scan;
2901 * use the state machine to get us up the SCAN state.
2902 * Otherwise just invoke the scan machinery to start
2905 if (vap->iv_state == IEEE80211_S_INIT)
2906 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0);
2908 (void) ieee80211_start_scan(vap,
2909 IEEE80211_SCAN_ACTIVE |
2910 IEEE80211_SCAN_NOPICK |
2911 IEEE80211_SCAN_ONCE,
2912 IEEE80211_SCAN_FOREVER, 0, 0,
2913 /* XXX use ioctl params */
2914 vap->iv_des_nssid, vap->iv_des_ssid);
2916 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */
2917 case IEEE80211_IOC_SCAN_REQ:
2918 error = ieee80211_ioctl_scanreq(vap, ireq);
2920 case IEEE80211_IOC_SCAN_CANCEL:
2921 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN,
2922 "%s: cancel scan\n", __func__);
2923 ieee80211_cancel_scan(vap);
2925 case IEEE80211_IOC_HTCONF:
2926 if (ireq->i_val & 1)
2927 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT);
2929 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT);
2930 if (ireq->i_val & 2)
2931 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40);
2933 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40);
2936 case IEEE80211_IOC_ADDMAC:
2937 case IEEE80211_IOC_DELMAC:
2938 error = ieee80211_ioctl_macmac(vap, ireq);
2940 case IEEE80211_IOC_MACCMD:
2941 error = ieee80211_ioctl_setmaccmd(vap, ireq);
2943 case IEEE80211_IOC_STA_STATS:
2944 error = ieee80211_ioctl_setstastats(vap, ireq);
2946 case IEEE80211_IOC_STA_TXPOW:
2947 error = ieee80211_ioctl_setstatxpow(vap, ireq);
2949 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */
2950 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */
2951 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */
2952 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */
2953 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */
2954 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */
2955 error = ieee80211_ioctl_setwmeparam(vap, ireq);
2957 case IEEE80211_IOC_DTIM_PERIOD:
2958 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2959 vap->iv_opmode != IEEE80211_M_MBSS &&
2960 vap->iv_opmode != IEEE80211_M_IBSS)
2962 if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2963 ireq->i_val <= IEEE80211_DTIM_MAX) {
2964 vap->iv_dtim_period = ireq->i_val;
2965 error = ENETRESET; /* requires restart */
2969 case IEEE80211_IOC_BEACON_INTERVAL:
2970 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
2971 vap->iv_opmode != IEEE80211_M_MBSS &&
2972 vap->iv_opmode != IEEE80211_M_IBSS)
2974 if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2975 ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2976 ic->ic_bintval = ireq->i_val;
2977 error = ENETRESET; /* requires restart */
2981 case IEEE80211_IOC_PUREG:
2983 vap->iv_flags |= IEEE80211_F_PUREG;
2985 vap->iv_flags &= ~IEEE80211_F_PUREG;
2986 /* NB: reset only if we're operating on an 11g channel */
2990 case IEEE80211_IOC_QUIET:
2991 vap->iv_quiet= ireq->i_val;
2993 case IEEE80211_IOC_QUIET_COUNT:
2994 vap->iv_quiet_count=ireq->i_val;
2996 case IEEE80211_IOC_QUIET_PERIOD:
2997 vap->iv_quiet_period=ireq->i_val;
2999 case IEEE80211_IOC_QUIET_OFFSET:
3000 vap->iv_quiet_offset=ireq->i_val;
3002 case IEEE80211_IOC_QUIET_DUR:
3003 if(ireq->i_val < vap->iv_bss->ni_intval)
3004 vap->iv_quiet_duration = ireq->i_val;
3008 case IEEE80211_IOC_BGSCAN:
3010 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0)
3012 vap->iv_flags |= IEEE80211_F_BGSCAN;
3014 vap->iv_flags &= ~IEEE80211_F_BGSCAN;
3016 case IEEE80211_IOC_BGSCAN_IDLE:
3017 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN)
3018 vap->iv_bgscanidle = ireq->i_val*hz/1000;
3022 case IEEE80211_IOC_BGSCAN_INTERVAL:
3023 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN)
3024 vap->iv_bgscanintvl = ireq->i_val*hz;
3028 case IEEE80211_IOC_SCANVALID:
3029 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN)
3030 vap->iv_scanvalid = ireq->i_val*hz;
3034 case IEEE80211_IOC_FRAGTHRESHOLD:
3035 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 &&
3036 ireq->i_val != IEEE80211_FRAG_MAX)
3038 if (!(IEEE80211_FRAG_MIN <= ireq->i_val &&
3039 ireq->i_val <= IEEE80211_FRAG_MAX))
3041 vap->iv_fragthreshold = ireq->i_val;
3044 case IEEE80211_IOC_BURST:
3046 if ((vap->iv_caps & IEEE80211_C_BURST) == 0)
3048 ieee80211_syncflag(vap, IEEE80211_F_BURST);
3050 ieee80211_syncflag(vap, -IEEE80211_F_BURST);
3053 case IEEE80211_IOC_BMISSTHRESHOLD:
3054 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val &&
3055 ireq->i_val <= IEEE80211_HWBMISS_MAX))
3057 vap->iv_bmissthreshold = ireq->i_val;
3060 case IEEE80211_IOC_CURCHAN:
3061 error = ieee80211_ioctl_setcurchan(vap, ireq);
3063 case IEEE80211_IOC_SHORTGI:
3065 #define IEEE80211_HTCAP_SHORTGI \
3066 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40)
3067 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0)
3069 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20)
3070 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20;
3071 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40)
3072 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40;
3073 #undef IEEE80211_HTCAP_SHORTGI
3076 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40);
3079 case IEEE80211_IOC_AMPDU:
3080 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0)
3082 if (ireq->i_val & 1)
3083 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX;
3085 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX;
3086 if (ireq->i_val & 2)
3087 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX;
3089 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX;
3090 /* NB: reset only if we're operating on an 11n channel */
3094 case IEEE80211_IOC_AMPDU_LIMIT:
3095 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val &&
3096 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K))
3098 if (vap->iv_opmode == IEEE80211_M_HOSTAP)
3099 vap->iv_ampdu_rxmax = ireq->i_val;
3101 vap->iv_ampdu_limit = ireq->i_val;
3104 case IEEE80211_IOC_AMPDU_DENSITY:
3105 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val &&
3106 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16))
3108 vap->iv_ampdu_density = ireq->i_val;
3111 case IEEE80211_IOC_AMSDU:
3112 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0)
3114 if (ireq->i_val & 1)
3115 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX;
3117 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX;
3118 if (ireq->i_val & 2)
3119 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX;
3121 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX;
3122 /* NB: reset only if we're operating on an 11n channel */
3126 case IEEE80211_IOC_AMSDU_LIMIT:
3128 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */
3130 case IEEE80211_IOC_PUREN:
3132 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3134 vap->iv_flags_ht |= IEEE80211_FHT_PUREN;
3136 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN;
3137 /* NB: reset only if we're operating on an 11n channel */
3141 case IEEE80211_IOC_DOTH:
3144 /* XXX no capability */
3145 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0)
3148 vap->iv_flags |= IEEE80211_F_DOTH;
3150 vap->iv_flags &= ~IEEE80211_F_DOTH;
3153 case IEEE80211_IOC_REGDOMAIN:
3154 error = ieee80211_ioctl_setregdomain(vap, ireq);
3156 case IEEE80211_IOC_ROAM:
3157 error = ieee80211_ioctl_setroam(vap, ireq);
3159 case IEEE80211_IOC_TXPARAMS:
3160 error = ieee80211_ioctl_settxparams(vap, ireq);
3162 case IEEE80211_IOC_HTCOMPAT:
3164 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0)
3166 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT;
3168 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT;
3169 /* NB: reset only if we're operating on an 11n channel */
3173 case IEEE80211_IOC_DWDS:
3175 /* NB: DWDS only makes sense for WDS-capable devices */
3176 if ((ic->ic_caps & IEEE80211_C_WDS) == 0)
3178 /* NB: DWDS is used only with ap+sta vaps */
3179 if (vap->iv_opmode != IEEE80211_M_HOSTAP &&
3180 vap->iv_opmode != IEEE80211_M_STA)
3182 vap->iv_flags |= IEEE80211_F_DWDS;
3183 if (vap->iv_opmode == IEEE80211_M_STA)
3184 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR;
3186 vap->iv_flags &= ~IEEE80211_F_DWDS;
3187 if (vap->iv_opmode == IEEE80211_M_STA)
3188 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR;
3191 case IEEE80211_IOC_INACTIVITY:
3193 vap->iv_flags_ext |= IEEE80211_FEXT_INACT;
3195 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT;
3197 case IEEE80211_IOC_APPIE:
3198 error = ieee80211_ioctl_setappie(vap, ireq);
3200 case IEEE80211_IOC_WPS:
3202 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3204 vap->iv_flags_ext |= IEEE80211_FEXT_WPS;
3206 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS;
3208 case IEEE80211_IOC_TSN:
3210 if ((vap->iv_caps & IEEE80211_C_WPA) == 0)
3212 vap->iv_flags_ext |= IEEE80211_FEXT_TSN;
3214 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN;
3216 case IEEE80211_IOC_CHANSWITCH:
3217 error = ieee80211_ioctl_chanswitch(vap, ireq);
3219 case IEEE80211_IOC_DFS:
3221 if ((vap->iv_caps & IEEE80211_C_DFS) == 0)
3223 /* NB: DFS requires 11h support */
3224 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0)
3226 vap->iv_flags_ext |= IEEE80211_FEXT_DFS;
3228 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS;
3230 case IEEE80211_IOC_DOTD:
3232 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD;
3234 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD;
3235 if (vap->iv_opmode == IEEE80211_M_STA)
3238 case IEEE80211_IOC_HTPROTMODE:
3239 if (ireq->i_val > IEEE80211_PROT_RTSCTS)
3241 ic->ic_htprotmode = ireq->i_val ?
3242 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE;
3243 /* NB: if not operating in 11n this can wait */
3247 case IEEE80211_IOC_STA_VLAN:
3248 error = ieee80211_ioctl_setstavlan(vap, ireq);
3250 case IEEE80211_IOC_SMPS:
3251 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 ||
3252 ireq->i_val == 0x0008) /* value of 2 is reserved */
3254 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF &&
3255 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0)
3257 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) |
3259 /* NB: if not operating in 11n this can wait */
3263 case IEEE80211_IOC_RIFS:
3264 if (ireq->i_val != 0) {
3265 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0)
3267 vap->iv_flags_ht |= IEEE80211_FHT_RIFS;
3269 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS;
3270 /* NB: if not operating in 11n this can wait */
3275 error = ieee80211_ioctl_setdefault(vap, ireq);
3279 * The convention is that ENETRESET means an operation
3280 * requires a complete re-initialization of the device (e.g.
3281 * changing something that affects the association state).
3282 * ERESTART means the request may be handled with only a
3283 * reload of the hardware state. We hand ERESTART requests
3284 * to the iv_reset callback so the driver can decide. If
3285 * a device does not fillin iv_reset then it defaults to one
3286 * that returns ENETRESET. Otherwise a driver may return
3287 * ENETRESET (in which case a full reset will be done) or
3288 * 0 to mean there's no need to do anything (e.g. when the
3289 * change has no effect on the driver/device).
3291 if (error == ERESTART)
3292 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ?
3293 vap->iv_reset(vap, ireq->i_type) : 0;
3294 if (error == ENETRESET) {
3295 /* XXX need to re-think AUTO handling */
3296 if (IS_UP_AUTO(vap))
3297 ieee80211_init(vap);
3304 * Rebuild the parent's multicast address list after an add/del
3305 * of a multicast address for a vap. We have no way to tell
3306 * what happened above to optimize the work so we purge the entire
3307 * list and rebuild from scratch. This is way expensive.
3308 * Note also the half-baked workaround for if_addmulti calling
3309 * back to the parent device; there's no way to insert mcast
3310 * entries quietly and/or cheaply.
3313 ieee80211_ioctl_updatemulti(struct ieee80211com *ic)
3315 struct ifnet *parent = ic->ic_ifp;
3316 struct ieee80211vap *vap;
3320 if_delallmulti(parent);
3321 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */
3322 parent->if_ioctl = NULL;
3323 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) {
3324 struct ifnet *ifp = vap->iv_ifp;
3325 struct ifmultiaddr *ifma;
3327 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) {
3328 if (ifma->ifma_addr->sa_family != AF_LINK)
3330 (void) if_addmulti(parent, ifma->ifma_addr, NULL);
3333 parent->if_ioctl = ioctl;
3334 ieee80211_runtask(ic, &ic->ic_mcast_task);
3335 IEEE80211_UNLOCK(ic);
3339 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
3341 struct ieee80211vap *vap = ifp->if_softc;
3342 struct ieee80211com *ic = vap->iv_ic;
3345 struct ifaddr *ifa; /* XXX */
3350 ieee80211_syncifflag_locked(ic, IFF_PROMISC);
3351 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI);
3352 if (ifp->if_flags & IFF_UP) {
3354 * Bring ourself up unless we're already operational.
3355 * If we're the first vap and the parent is not up
3356 * then it will automatically be brought up as a
3357 * side-effect of bringing ourself up.
3359 if (vap->iv_state == IEEE80211_S_INIT)
3360 ieee80211_start_locked(vap);
3361 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
3363 * Stop ourself. If we are the last vap to be
3364 * marked down the parent will also be taken down.
3366 ieee80211_stop_locked(vap);
3368 IEEE80211_UNLOCK(ic);
3369 /* Wait for parent ioctl handler if it was queued */
3370 ieee80211_waitfor_parent(ic);
3374 ieee80211_ioctl_updatemulti(ic);
3378 ifr = (struct ifreq *)data;
3379 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd);
3382 error = ieee80211_ioctl_get80211(vap, cmd,
3383 (struct ieee80211req *) data);
3386 error = priv_check(curthread, PRIV_NET80211_MANAGE);
3388 error = ieee80211_ioctl_set80211(vap, cmd,
3389 (struct ieee80211req *) data);
3391 case SIOCG80211STATS:
3392 ifr = (struct ifreq *)data;
3393 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats));
3396 ifr = (struct ifreq *)data;
3397 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
3398 ifr->ifr_mtu <= IEEE80211_MTU_MAX))
3401 ifp->if_mtu = ifr->ifr_mtu;
3405 * XXX Handle this directly so we can supress if_init calls.
3406 * XXX This should be done in ether_ioctl but for the moment
3407 * XXX there are too many other parts of the system that
3408 * XXX set IFF_UP and so supress if_init being called when
3411 ifa = (struct ifaddr *) data;
3412 switch (ifa->ifa_addr->sa_family) {
3415 if ((ifp->if_flags & IFF_UP) == 0) {
3416 ifp->if_flags |= IFF_UP;
3417 ifp->if_init(ifp->if_softc);
3419 arp_ifinit(ifp, ifa);
3423 if ((ifp->if_flags & IFF_UP) == 0) {
3424 ifp->if_flags |= IFF_UP;
3425 ifp->if_init(ifp->if_softc);
3430 /* Pass NDIS ioctls up to the driver */
3433 case SIOCGPRIVATE_0: {
3434 struct ifnet *parent = vap->iv_ic->ic_ifp;
3435 error = parent->if_ioctl(parent, cmd, data);
3439 error = ether_ioctl(ifp, cmd, data);