ieee80211_ioctl.c revision 139530
1/*-
2 * Copyright (c) 2001 Atsushi Onoe
3 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
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.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission.
16 *
17 * Alternatively, this software may be distributed under the terms of the
18 * GNU General Public License ("GPL") version 2 as published by the Free
19 * Software Foundation.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34__FBSDID("$FreeBSD: head/sys/net80211/ieee80211_ioctl.c 139530 2004-12-31 22:42:38Z sam $");
35
36/*
37 * IEEE 802.11 ioctl support (FreeBSD-specific)
38 */
39
40#include "opt_inet.h"
41#include "opt_ipx.h"
42
43#include <sys/endian.h>
44#include <sys/param.h>
45#include <sys/kernel.h>
46#include <sys/socket.h>
47#include <sys/sockio.h>
48#include <sys/systm.h>
49
50#include <net/if.h>
51#include <net/if_arp.h>
52#include <net/if_media.h>
53#include <net/ethernet.h>
54
55#ifdef INET
56#include <netinet/in.h>
57#include <netinet/if_ether.h>
58#endif
59
60#ifdef IPX
61#include <netipx/ipx.h>
62#include <netipx/ipx_if.h>
63#endif
64
65#include <net80211/ieee80211_var.h>
66#include <net80211/ieee80211_ioctl.h>
67
68#include <dev/wi/if_wavelan_ieee.h>
69
70#define	IS_UP(_ic) \
71	(((_ic)->ic_ifp->if_flags & (IFF_RUNNING|IFF_UP)) == (IFF_RUNNING|IFF_UP))
72#define	IS_UP_AUTO(_ic) \
73	(IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO)
74
75/*
76 * XXX
77 * Wireless LAN specific configuration interface, which is compatible
78 * with wicontrol(8).
79 */
80
81struct wi_read_ap_args {
82	int	i;		/* result count */
83	struct wi_apinfo *ap;	/* current entry in result buffer */
84	caddr_t	max;		/* result buffer bound */
85};
86
87static void
88wi_read_ap_result(void *arg, struct ieee80211_node *ni)
89{
90	struct ieee80211com *ic = ni->ni_ic;
91	struct wi_read_ap_args *sa = arg;
92	struct wi_apinfo *ap = sa->ap;
93	struct ieee80211_rateset *rs;
94	int j;
95
96	if ((caddr_t)(ap + 1) > sa->max)
97		return;
98	memset(ap, 0, sizeof(struct wi_apinfo));
99	if (ic->ic_opmode == IEEE80211_M_HOSTAP) {
100		IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr);
101		ap->namelen = ic->ic_des_esslen;
102		if (ic->ic_des_esslen)
103			memcpy(ap->name, ic->ic_des_essid,
104			    ic->ic_des_esslen);
105	} else {
106		IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid);
107		ap->namelen = ni->ni_esslen;
108		if (ni->ni_esslen)
109			memcpy(ap->name, ni->ni_essid,
110			    ni->ni_esslen);
111	}
112	ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan);
113	ap->signal = ic->ic_node_getrssi(ni);
114	ap->capinfo = ni->ni_capinfo;
115	ap->interval = ni->ni_intval;
116	rs = &ni->ni_rates;
117	for (j = 0; j < rs->rs_nrates; j++) {
118		if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) {
119			ap->rate = (rs->rs_rates[j] &
120			    IEEE80211_RATE_VAL) * 5; /* XXX */
121		}
122	}
123	sa->i++;
124	sa->ap++;
125}
126
127struct wi_read_prism2_args {
128	int	i;		/* result count */
129	struct wi_scan_res *res;/* current entry in result buffer */
130	caddr_t	max;		/* result buffer bound */
131};
132
133static void
134wi_read_prism2_result(void *arg, struct ieee80211_node *ni)
135{
136	struct ieee80211com *ic = ni->ni_ic;
137	struct wi_read_prism2_args *sa = arg;
138	struct wi_scan_res *res = sa->res;
139
140	if ((caddr_t)(res + 1) > sa->max)
141		return;
142	res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan);
143	res->wi_noise = 0;
144	res->wi_signal = ic->ic_node_getrssi(ni);
145	IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid);
146	res->wi_interval = ni->ni_intval;
147	res->wi_capinfo = ni->ni_capinfo;
148	res->wi_ssid_len = ni->ni_esslen;
149	memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN);
150	/* NB: assumes wi_srates holds <= ni->ni_rates */
151	memcpy(res->wi_srates, ni->ni_rates.rs_rates,
152		sizeof(res->wi_srates));
153	if (ni->ni_rates.rs_nrates < 10)
154		res->wi_srates[ni->ni_rates.rs_nrates] = 0;
155	res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate];
156	res->wi_rsvd = 0;
157
158	sa->i++;
159	sa->res++;
160}
161
162struct wi_read_sigcache_args {
163	int	i;		/* result count */
164	struct wi_sigcache *wsc;/* current entry in result buffer */
165	caddr_t	max;		/* result buffer bound */
166};
167
168static void
169wi_read_sigcache(void *arg, struct ieee80211_node *ni)
170{
171	struct ieee80211com *ic = ni->ni_ic;
172	struct wi_read_sigcache_args *sa = arg;
173	struct wi_sigcache *wsc = sa->wsc;
174
175	if ((caddr_t)(wsc + 1) > sa->max)
176		return;
177	memset(wsc, 0, sizeof(struct wi_sigcache));
178	IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr);
179	wsc->signal = ic->ic_node_getrssi(ni);
180
181	sa->wsc++;
182	sa->i++;
183}
184
185int
186ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, caddr_t data)
187{
188	struct ifnet *ifp = ic->ic_ifp;
189	int i, j, error;
190	struct ifreq *ifr = (struct ifreq *)data;
191	struct wi_req wreq;
192	struct wi_ltv_keys *keys;
193
194	error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
195	if (error)
196		return error;
197	wreq.wi_len = 0;
198	switch (wreq.wi_type) {
199	case WI_RID_SERIALNO:
200		/* nothing appropriate */
201		break;
202	case WI_RID_NODENAME:
203		strcpy((char *)&wreq.wi_val[1], hostname);
204		wreq.wi_val[0] = htole16(strlen(hostname));
205		wreq.wi_len = (1 + strlen(hostname) + 1) / 2;
206		break;
207	case WI_RID_CURRENT_SSID:
208		if (ic->ic_state != IEEE80211_S_RUN) {
209			wreq.wi_val[0] = 0;
210			wreq.wi_len = 1;
211			break;
212		}
213		wreq.wi_val[0] = htole16(ic->ic_bss->ni_esslen);
214		memcpy(&wreq.wi_val[1], ic->ic_bss->ni_essid,
215		    ic->ic_bss->ni_esslen);
216		wreq.wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2;
217		break;
218	case WI_RID_OWN_SSID:
219	case WI_RID_DESIRED_SSID:
220		wreq.wi_val[0] = htole16(ic->ic_des_esslen);
221		memcpy(&wreq.wi_val[1], ic->ic_des_essid, ic->ic_des_esslen);
222		wreq.wi_len = (1 + ic->ic_des_esslen + 1) / 2;
223		break;
224	case WI_RID_CURRENT_BSSID:
225		if (ic->ic_state == IEEE80211_S_RUN)
226			IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_bss->ni_bssid);
227		else
228			memset(wreq.wi_val, 0, IEEE80211_ADDR_LEN);
229		wreq.wi_len = IEEE80211_ADDR_LEN / 2;
230		break;
231	case WI_RID_CHANNEL_LIST:
232		memset(wreq.wi_val, 0, sizeof(wreq.wi_val));
233		/*
234		 * Since channel 0 is not available for DS, channel 1
235		 * is assigned to LSB on WaveLAN.
236		 */
237		if (ic->ic_phytype == IEEE80211_T_DS)
238			i = 1;
239		else
240			i = 0;
241		for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++)
242			if (isset(ic->ic_chan_active, i)) {
243				setbit((u_int8_t *)wreq.wi_val, j);
244				wreq.wi_len = j / 16 + 1;
245			}
246		break;
247	case WI_RID_OWN_CHNL:
248		wreq.wi_val[0] = htole16(
249			ieee80211_chan2ieee(ic, ic->ic_ibss_chan));
250		wreq.wi_len = 1;
251		break;
252	case WI_RID_CURRENT_CHAN:
253		wreq.wi_val[0] = htole16(
254			ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan));
255		wreq.wi_len = 1;
256		break;
257	case WI_RID_COMMS_QUALITY:
258		wreq.wi_val[0] = 0;				/* quality */
259		wreq.wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss));
260		wreq.wi_val[2] = 0;				/* noise */
261		wreq.wi_len = 3;
262		break;
263	case WI_RID_PROMISC:
264		wreq.wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0);
265		wreq.wi_len = 1;
266		break;
267	case WI_RID_PORTTYPE:
268		wreq.wi_val[0] = htole16(ic->ic_opmode);
269		wreq.wi_len = 1;
270		break;
271	case WI_RID_MAC_NODE:
272		IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_myaddr);
273		wreq.wi_len = IEEE80211_ADDR_LEN / 2;
274		break;
275	case WI_RID_TX_RATE:
276		if (ic->ic_fixed_rate == -1)
277			wreq.wi_val[0] = 0;	/* auto */
278		else
279			wreq.wi_val[0] = htole16(
280			    (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] &
281			    IEEE80211_RATE_VAL) / 2);
282		wreq.wi_len = 1;
283		break;
284	case WI_RID_CUR_TX_RATE:
285		wreq.wi_val[0] = htole16(
286		    (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] &
287		    IEEE80211_RATE_VAL) / 2);
288		wreq.wi_len = 1;
289		break;
290	case WI_RID_RTS_THRESH:
291		wreq.wi_val[0] = htole16(ic->ic_rtsthreshold);
292		wreq.wi_len = 1;
293		break;
294	case WI_RID_CREATE_IBSS:
295		wreq.wi_val[0] =
296		    htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0);
297		wreq.wi_len = 1;
298		break;
299	case WI_RID_MICROWAVE_OVEN:
300		wreq.wi_val[0] = 0;	/* no ... not supported */
301		wreq.wi_len = 1;
302		break;
303	case WI_RID_ROAMING_MODE:
304		wreq.wi_val[0] = htole16(ic->ic_roaming);	/* XXX map */
305		wreq.wi_len = 1;
306		break;
307	case WI_RID_SYSTEM_SCALE:
308		wreq.wi_val[0] = htole16(1);	/* low density ... not supp */
309		wreq.wi_len = 1;
310		break;
311	case WI_RID_PM_ENABLED:
312		wreq.wi_val[0] =
313		    htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0);
314		wreq.wi_len = 1;
315		break;
316	case WI_RID_MAX_SLEEP:
317		wreq.wi_val[0] = htole16(ic->ic_lintval);
318		wreq.wi_len = 1;
319		break;
320	case WI_RID_CUR_BEACON_INT:
321		wreq.wi_val[0] = htole16(ic->ic_bss->ni_intval);
322		wreq.wi_len = 1;
323		break;
324	case WI_RID_WEP_AVAIL:
325		wreq.wi_val[0] = htole16(1);	/* always available */
326		wreq.wi_len = 1;
327		break;
328	case WI_RID_CNFAUTHMODE:
329		wreq.wi_val[0] = htole16(1);	/* TODO: open system only */
330		wreq.wi_len = 1;
331		break;
332	case WI_RID_ENCRYPTION:
333		wreq.wi_val[0] =
334		    htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0);
335		wreq.wi_len = 1;
336		break;
337	case WI_RID_TX_CRYPT_KEY:
338		wreq.wi_val[0] = htole16(ic->ic_def_txkey);
339		wreq.wi_len = 1;
340		break;
341	case WI_RID_DEFLT_CRYPT_KEYS:
342		keys = (struct wi_ltv_keys *)&wreq;
343		/* do not show keys to non-root user */
344		error = suser(curthread);
345		if (error) {
346			memset(keys, 0, sizeof(*keys));
347			error = 0;
348			break;
349		}
350		for (i = 0; i < IEEE80211_WEP_NKID; i++) {
351			keys->wi_keys[i].wi_keylen =
352			    htole16(ic->ic_nw_keys[i].wk_keylen);
353			memcpy(keys->wi_keys[i].wi_keydat,
354			    ic->ic_nw_keys[i].wk_key,
355			    ic->ic_nw_keys[i].wk_keylen);
356		}
357		wreq.wi_len = sizeof(*keys) / 2;
358		break;
359	case WI_RID_MAX_DATALEN:
360		wreq.wi_val[0] = htole16(ic->ic_fragthreshold);
361		wreq.wi_len = 1;
362		break;
363	case WI_RID_IFACE_STATS:
364		/* XXX: should be implemented in lower drivers */
365		break;
366	case WI_RID_READ_APS:
367		/*
368		 * Don't return results until active scan completes.
369		 */
370		if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) {
371			struct wi_read_ap_args args;
372
373			args.i = 0;
374			args.ap = (void *)((char *)wreq.wi_val + sizeof(i));
375			args.max = (void *)(&wreq + 1);
376			ieee80211_iterate_nodes(&ic->ic_scan,
377				wi_read_ap_result, &args);
378			memcpy(wreq.wi_val, &args.i, sizeof(args.i));
379			wreq.wi_len = (sizeof(int) +
380				sizeof(struct wi_apinfo) * args.i) / 2;
381		} else
382			error = EINPROGRESS;
383		break;
384	case WI_RID_PRISM2:
385		/* NB: we lie so WI_RID_SCAN_RES can include rates */
386		wreq.wi_val[0] = 1;
387		wreq.wi_len = sizeof(u_int16_t) / 2;
388		break;
389	case WI_RID_SCAN_RES:			/* compatibility interface */
390		if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) {
391			struct wi_read_prism2_args args;
392			struct wi_scan_p2_hdr *p2;
393
394			/* NB: use Prism2 format so we can include rate info */
395			p2 = (struct wi_scan_p2_hdr *)wreq.wi_val;
396			args.i = 0;
397			args.res = (void *)&p2[1];
398			args.max = (void *)(&wreq + 1);
399			ieee80211_iterate_nodes(&ic->ic_scan,
400				wi_read_prism2_result, &args);
401			p2->wi_rsvd = 0;
402			p2->wi_reason = args.i;
403			wreq.wi_len = (sizeof(*p2) +
404				sizeof(struct wi_scan_res) * args.i) / 2;
405		} else
406			error = EINPROGRESS;
407		break;
408	case WI_RID_READ_CACHE: {
409		struct wi_read_sigcache_args args;
410		args.i = 0;
411		args.wsc = (struct wi_sigcache *) wreq.wi_val;
412		args.max = (void *)(&wreq + 1);
413		ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args);
414		wreq.wi_len = sizeof(struct wi_sigcache) * args.i / 2;
415		break;
416	}
417	default:
418		error = EINVAL;
419		break;
420	}
421	if (error == 0) {
422		wreq.wi_len++;
423		error = copyout(&wreq, ifr->ifr_data, sizeof(wreq));
424	}
425	return error;
426}
427
428static int
429findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate)
430{
431#define	IEEERATE(_ic,_m,_i) \
432	((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL)
433	int i, nrates = ic->ic_sup_rates[mode].rs_nrates;
434	for (i = 0; i < nrates; i++)
435		if (IEEERATE(ic, mode, i) == rate)
436			return i;
437	return -1;
438#undef IEEERATE
439}
440
441/*
442 * Prepare to do a user-initiated scan for AP's.  If no
443 * current/default channel is setup or the current channel
444 * is invalid then pick the first available channel from
445 * the active list as the place to start the scan.
446 */
447static int
448ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[])
449{
450	int i;
451
452	/*
453	 * XXX don't permit a scan to be started unless we
454	 * know the device is ready.  For the moment this means
455	 * the device is marked up as this is the required to
456	 * initialize the hardware.  It would be better to permit
457	 * scanning prior to being up but that'll require some
458	 * changes to the infrastructure.
459	 */
460	if (!IS_UP(ic))
461		return EINVAL;
462	if (ic->ic_ibss_chan == NULL ||
463	    isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) {
464		for (i = 0; i <= IEEE80211_CHAN_MAX; i++)
465			if (isset(chanlist, i)) {
466				ic->ic_ibss_chan = &ic->ic_channels[i];
467				goto found;
468			}
469		return EINVAL;			/* no active channels */
470found:
471		;
472	}
473	if (ic->ic_bss->ni_chan == IEEE80211_CHAN_ANYC ||
474	    isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan)))
475		ic->ic_bss->ni_chan = ic->ic_ibss_chan;
476	memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active));
477	/*
478	 * We force the state to INIT before calling ieee80211_new_state
479	 * to get ieee80211_begin_scan called.  We really want to scan w/o
480	 * altering the current state but that's not possible right now.
481	 */
482	/* XXX handle proberequest case */
483	ic->ic_state = IEEE80211_S_INIT;	/* XXX bypass state machine */
484	return 0;
485}
486
487int
488ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, caddr_t data)
489{
490	struct ifnet *ifp = ic->ic_ifp;
491	int i, j, len, error, rate;
492	struct ifreq *ifr = (struct ifreq *)data;
493	struct wi_ltv_keys *keys;
494	struct wi_req wreq;
495	u_char chanlist[roundup(IEEE80211_CHAN_MAX, NBBY)];
496
497	error = copyin(ifr->ifr_data, &wreq, sizeof(wreq));
498	if (error)
499		return error;
500	len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0;
501	switch (wreq.wi_type) {
502	case WI_RID_SERIALNO:
503	case WI_RID_NODENAME:
504		return EPERM;
505	case WI_RID_CURRENT_SSID:
506		return EPERM;
507	case WI_RID_OWN_SSID:
508	case WI_RID_DESIRED_SSID:
509		if (le16toh(wreq.wi_val[0]) * 2 > len ||
510		    le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) {
511			error = ENOSPC;
512			break;
513		}
514		memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid));
515		ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2;
516		memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen);
517		error = ENETRESET;
518		break;
519	case WI_RID_CURRENT_BSSID:
520		return EPERM;
521	case WI_RID_OWN_CHNL:
522		if (len != 2)
523			return EINVAL;
524		i = le16toh(wreq.wi_val[0]);
525		if (i < 0 ||
526		    i > IEEE80211_CHAN_MAX ||
527		    isclr(ic->ic_chan_active, i))
528			return EINVAL;
529		ic->ic_ibss_chan = &ic->ic_channels[i];
530		if (ic->ic_opmode == IEEE80211_M_MONITOR)
531			error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
532		else
533			error = ENETRESET;
534		break;
535	case WI_RID_CURRENT_CHAN:
536		return EPERM;
537	case WI_RID_COMMS_QUALITY:
538		return EPERM;
539	case WI_RID_PROMISC:
540		if (len != 2)
541			return EINVAL;
542		if (ifp->if_flags & IFF_PROMISC) {
543			if (wreq.wi_val[0] == 0) {
544				ifp->if_flags &= ~IFF_PROMISC;
545				error = ENETRESET;
546			}
547		} else {
548			if (wreq.wi_val[0] != 0) {
549				ifp->if_flags |= IFF_PROMISC;
550				error = ENETRESET;
551			}
552		}
553		break;
554	case WI_RID_PORTTYPE:
555		if (len != 2)
556			return EINVAL;
557		switch (le16toh(wreq.wi_val[0])) {
558		case IEEE80211_M_STA:
559			break;
560		case IEEE80211_M_IBSS:
561			if (!(ic->ic_caps & IEEE80211_C_IBSS))
562				return EINVAL;
563			break;
564		case IEEE80211_M_AHDEMO:
565			if (ic->ic_phytype != IEEE80211_T_DS ||
566			    !(ic->ic_caps & IEEE80211_C_AHDEMO))
567				return EINVAL;
568			break;
569		case IEEE80211_M_HOSTAP:
570			if (!(ic->ic_caps & IEEE80211_C_HOSTAP))
571				return EINVAL;
572			break;
573		default:
574			return EINVAL;
575		}
576		if (le16toh(wreq.wi_val[0]) != ic->ic_opmode) {
577			ic->ic_opmode = le16toh(wreq.wi_val[0]);
578			error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
579		}
580		break;
581#if 0
582	case WI_RID_MAC_NODE:
583		if (len != IEEE80211_ADDR_LEN)
584			return EINVAL;
585		IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq.wi_val);
586		/* if_init will copy lladdr into ic_myaddr */
587		error = ENETRESET;
588		break;
589#endif
590	case WI_RID_TX_RATE:
591		if (len != 2)
592			return EINVAL;
593		if (wreq.wi_val[0] == 0) {
594			/* auto */
595			ic->ic_fixed_rate = -1;
596			break;
597		}
598		rate = 2 * le16toh(wreq.wi_val[0]);
599		if (ic->ic_curmode == IEEE80211_MODE_AUTO) {
600			/*
601			 * In autoselect mode search for the rate.  We take
602			 * the first instance which may not be right, but we
603			 * are limited by the interface.  Note that we also
604			 * lock the mode to insure the rate is meaningful
605			 * when it is used.
606			 */
607			for (j = IEEE80211_MODE_11A;
608			     j < IEEE80211_MODE_MAX; j++) {
609				if ((ic->ic_modecaps & (1<<j)) == 0)
610					continue;
611				i = findrate(ic, j, rate);
612				if (i != -1) {
613					/* lock mode too */
614					ic->ic_curmode = j;
615					goto setrate;
616				}
617			}
618		} else {
619			i = findrate(ic, ic->ic_curmode, rate);
620			if (i != -1)
621				goto setrate;
622		}
623		return EINVAL;
624	setrate:
625		ic->ic_fixed_rate = i;
626		error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
627		break;
628	case WI_RID_CUR_TX_RATE:
629		return EPERM;
630	case WI_RID_RTS_THRESH:
631		if (len != 2)
632			return EINVAL;
633		if (le16toh(wreq.wi_val[0]) != IEEE80211_MAX_LEN)
634			return EINVAL;		/* TODO: RTS */
635		break;
636	case WI_RID_CREATE_IBSS:
637		if (len != 2)
638			return EINVAL;
639		if (wreq.wi_val[0] != 0) {
640			if ((ic->ic_caps & IEEE80211_C_IBSS) == 0)
641				return EINVAL;
642			if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) {
643				ic->ic_flags |= IEEE80211_F_IBSSON;
644				if (ic->ic_opmode == IEEE80211_M_IBSS &&
645				    ic->ic_state == IEEE80211_S_SCAN)
646					error = IS_UP_AUTO(ic) ? ENETRESET : 0;
647			}
648		} else {
649			if (ic->ic_flags & IEEE80211_F_IBSSON) {
650				ic->ic_flags &= ~IEEE80211_F_IBSSON;
651				if (ic->ic_flags & IEEE80211_F_SIBSS) {
652					ic->ic_flags &= ~IEEE80211_F_SIBSS;
653					error = IS_UP_AUTO(ic) ? ENETRESET : 0;
654				}
655			}
656		}
657		break;
658	case WI_RID_MICROWAVE_OVEN:
659		if (len != 2)
660			return EINVAL;
661		if (wreq.wi_val[0] != 0)
662			return EINVAL;		/* not supported */
663		break;
664	case WI_RID_ROAMING_MODE:
665		if (len != 2)
666			return EINVAL;
667		i = le16toh(wreq.wi_val[0]);
668		if (i > IEEE80211_ROAMING_MANUAL)
669			return EINVAL;		/* not supported */
670		ic->ic_roaming = i;
671		break;
672	case WI_RID_SYSTEM_SCALE:
673		if (len != 2)
674			return EINVAL;
675		if (le16toh(wreq.wi_val[0]) != 1)
676			return EINVAL;		/* not supported */
677		break;
678	case WI_RID_PM_ENABLED:
679		if (len != 2)
680			return EINVAL;
681		if (wreq.wi_val[0] != 0) {
682			if ((ic->ic_caps & IEEE80211_C_PMGT) == 0)
683				return EINVAL;
684			if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) {
685				ic->ic_flags |= IEEE80211_F_PMGTON;
686				error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
687			}
688		} else {
689			if (ic->ic_flags & IEEE80211_F_PMGTON) {
690				ic->ic_flags &= ~IEEE80211_F_PMGTON;
691				error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
692			}
693		}
694		break;
695	case WI_RID_MAX_SLEEP:
696		if (len != 2)
697			return EINVAL;
698		ic->ic_lintval = le16toh(wreq.wi_val[0]);
699		if (ic->ic_flags & IEEE80211_F_PMGTON)
700			error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
701		break;
702	case WI_RID_CUR_BEACON_INT:
703		return EPERM;
704	case WI_RID_WEP_AVAIL:
705		return EPERM;
706	case WI_RID_CNFAUTHMODE:
707		if (len != 2)
708			return EINVAL;
709		i = le16toh(wreq.wi_val[0]);
710		if (i > IEEE80211_AUTH_WPA)
711			return EINVAL;
712		ic->ic_bss->ni_authmode = i;		/* XXX ENETRESET? */
713		error = ENETRESET;
714		break;
715	case WI_RID_ENCRYPTION:
716		if (len != 2)
717			return EINVAL;
718		if (wreq.wi_val[0] != 0) {
719			if ((ic->ic_caps & IEEE80211_C_WEP) == 0)
720				return EINVAL;
721			if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) {
722				ic->ic_flags |= IEEE80211_F_PRIVACY;
723				error = ENETRESET;
724			}
725		} else {
726			if (ic->ic_flags & IEEE80211_F_PRIVACY) {
727				ic->ic_flags &= ~IEEE80211_F_PRIVACY;
728				error = ENETRESET;
729			}
730		}
731		break;
732	case WI_RID_TX_CRYPT_KEY:
733		if (len != 2)
734			return EINVAL;
735		i = le16toh(wreq.wi_val[0]);
736		if (i >= IEEE80211_WEP_NKID)
737			return EINVAL;
738		ic->ic_def_txkey = i;
739		error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
740		break;
741	case WI_RID_DEFLT_CRYPT_KEYS:
742		if (len != sizeof(struct wi_ltv_keys))
743			return EINVAL;
744		keys = (struct wi_ltv_keys *)&wreq;
745		for (i = 0; i < IEEE80211_WEP_NKID; i++) {
746			len = le16toh(keys->wi_keys[i].wi_keylen);
747			if (len != 0 && len < IEEE80211_WEP_KEYLEN)
748				return EINVAL;
749			if (len > IEEE80211_KEYBUF_SIZE)
750				return EINVAL;
751		}
752		for (i = 0; i < IEEE80211_WEP_NKID; i++) {
753			struct ieee80211_key *k = &ic->ic_nw_keys[i];
754
755			len = le16toh(keys->wi_keys[i].wi_keylen);
756			k->wk_keylen = len;
757			k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV;
758			memset(k->wk_key, 0, sizeof(k->wk_key));
759			memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len);
760#if 0
761			k->wk_type = IEEE80211_CIPHER_WEP;
762#endif
763		}
764		error = ENETRESET;
765		break;
766	case WI_RID_MAX_DATALEN:
767		if (len != 2)
768			return EINVAL;
769		len = le16toh(wreq.wi_val[0]);
770		if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN)
771			return EINVAL;
772		ic->ic_fragthreshold = len;
773		error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
774		break;
775	case WI_RID_IFACE_STATS:
776		error = EPERM;
777		break;
778	case WI_RID_SCAN_REQ:			/* XXX wicontrol */
779		if (ic->ic_opmode == IEEE80211_M_HOSTAP)
780			break;
781		error = ieee80211_setupscan(ic, ic->ic_chan_avail);
782		if (error == 0)
783			error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
784		break;
785	case WI_RID_SCAN_APS:
786		if (ic->ic_opmode == IEEE80211_M_HOSTAP)
787			break;
788		len--;			/* XXX: tx rate? */
789		/* FALLTHRU */
790	case WI_RID_CHANNEL_LIST:
791		memset(chanlist, 0, sizeof(chanlist));
792		/*
793		 * Since channel 0 is not available for DS, channel 1
794		 * is assigned to LSB on WaveLAN.
795		 */
796		if (ic->ic_phytype == IEEE80211_T_DS)
797			i = 1;
798		else
799			i = 0;
800		for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) {
801			if ((j / 8) >= len)
802				break;
803			if (isclr((u_int8_t *)wreq.wi_val, j))
804				continue;
805			if (isclr(ic->ic_chan_active, i)) {
806				if (wreq.wi_type != WI_RID_CHANNEL_LIST)
807					continue;
808				if (isclr(ic->ic_chan_avail, i))
809					return EPERM;
810			}
811			setbit(chanlist, i);
812		}
813		error = ieee80211_setupscan(ic, chanlist);
814		if (wreq.wi_type == WI_RID_CHANNEL_LIST) {
815			/* NB: ignore error from ieee80211_setupscan */
816			error = ENETRESET;
817		} else if (error == 0)
818			error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
819		break;
820	default:
821		error = EINVAL;
822		break;
823	}
824	if (error == ENETRESET && !IS_UP_AUTO(ic))
825		error = 0;
826	return error;
827}
828
829static struct ieee80211_channel *
830getcurchan(struct ieee80211com *ic)
831{
832	switch (ic->ic_state) {
833	case IEEE80211_S_INIT:
834	case IEEE80211_S_SCAN:
835		return ic->ic_des_chan;
836	default:
837		return ic->ic_ibss_chan;
838	}
839}
840
841static int
842cap2cipher(int flag)
843{
844	switch (flag) {
845	case IEEE80211_C_WEP:		return IEEE80211_CIPHER_WEP;
846	case IEEE80211_C_AES:		return IEEE80211_CIPHER_AES_OCB;
847	case IEEE80211_C_AES_CCM:	return IEEE80211_CIPHER_AES_CCM;
848	case IEEE80211_C_CKIP:		return IEEE80211_CIPHER_CKIP;
849	case IEEE80211_C_TKIP:		return IEEE80211_CIPHER_TKIP;
850	}
851	return -1;
852}
853
854static int
855ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq)
856{
857	struct ieee80211_node *ni;
858	struct ieee80211req_key ik;
859	struct ieee80211_key *wk;
860	const struct ieee80211_cipher *cip;
861	u_int kid;
862	int error;
863
864	if (ireq->i_len != sizeof(ik))
865		return EINVAL;
866	error = copyin(ireq->i_data, &ik, sizeof(ik));
867	if (error)
868		return error;
869	kid = ik.ik_keyix;
870	if (kid == IEEE80211_KEYIX_NONE) {
871		if (ic->ic_sta == NULL)
872			return EINVAL;
873		ni = ieee80211_find_node(ic->ic_sta, ik.ik_macaddr);
874		if (ni == NULL)
875			return EINVAL;		/* XXX */
876		wk = &ni->ni_ucastkey;
877	} else {
878		if (kid >= IEEE80211_WEP_NKID)
879			return EINVAL;
880		wk = &ic->ic_nw_keys[kid];
881		IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr);
882		ni = NULL;
883	}
884	cip = wk->wk_cipher;
885	ik.ik_type = cip->ic_cipher;
886	ik.ik_keylen = wk->wk_keylen;
887	ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV);
888	if (wk->wk_keyix == ic->ic_def_txkey)
889		ik.ik_flags |= IEEE80211_KEY_DEFAULT;
890	if (suser(curthread) == 0) {
891		/* NB: only root can read key data */
892		ik.ik_keyrsc = wk->wk_keyrsc;
893		ik.ik_keytsc = wk->wk_keytsc;
894		memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen);
895		if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) {
896			memcpy(ik.ik_keydata+wk->wk_keylen,
897				wk->wk_key + IEEE80211_KEYBUF_SIZE,
898				IEEE80211_MICBUF_SIZE);
899			ik.ik_keylen += IEEE80211_MICBUF_SIZE;
900		}
901	} else {
902		ik.ik_keyrsc = 0;
903		ik.ik_keytsc = 0;
904		memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata));
905	}
906	if (ni != NULL)
907		ieee80211_free_node(ni);
908	return copyout(&ik, ireq->i_data, sizeof(ik));
909}
910
911static int
912ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq)
913{
914
915	if (sizeof(ic->ic_chan_active) > ireq->i_len)
916		ireq->i_len = sizeof(ic->ic_chan_active);
917	return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len);
918}
919
920static int
921ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq)
922{
923	struct ieee80211req_chaninfo chans;	/* XXX off stack? */
924	int i, space;
925
926	/*
927	 * Since channel 0 is not available for DS, channel 1
928	 * is assigned to LSB on WaveLAN.
929	 */
930	if (ic->ic_phytype == IEEE80211_T_DS)
931		i = 1;
932	else
933		i = 0;
934	memset(&chans, 0, sizeof(chans));
935	for (; i <= IEEE80211_CHAN_MAX; i++)
936		if (isset(ic->ic_chan_avail, i)) {
937			struct ieee80211_channel *c = &ic->ic_channels[i];
938			chans.ic_chans[chans.ic_nchans].ic_freq = c->ic_freq;
939			chans.ic_chans[chans.ic_nchans].ic_flags = c->ic_flags;
940			chans.ic_nchans++;
941		}
942	space = __offsetof(struct ieee80211req_chaninfo,
943			ic_chans[chans.ic_nchans]);
944	if (space > ireq->i_len)
945		space = ireq->i_len;
946	return copyout(&chans, ireq->i_data, space);
947}
948
949static int
950ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq)
951{
952	struct ieee80211_node *ni;
953	struct ieee80211req_wpaie wpaie;
954	int error;
955
956	if (ireq->i_len < IEEE80211_ADDR_LEN)
957		return EINVAL;
958	error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN);
959	if (error != 0)
960		return error;
961	if (ic->ic_sta == NULL)
962		return EINVAL;
963	ni = ieee80211_find_node(ic->ic_sta, wpaie.wpa_macaddr);
964	if (ni == NULL)
965		return EINVAL;		/* XXX */
966	memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie));
967	if (ni->ni_wpa_ie != NULL) {
968		int ielen = ni->ni_wpa_ie[1] + 2;
969		if (ielen > sizeof(wpaie.wpa_ie))
970			ielen = sizeof(wpaie.wpa_ie);
971		memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen);
972	}
973	ieee80211_free_node(ni);
974	if (ireq->i_len > sizeof(wpaie))
975		ireq->i_len = sizeof(wpaie);
976	return copyout(&wpaie, ireq->i_data, ireq->i_len);
977}
978
979static int
980ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq)
981{
982	struct ieee80211_node *ni;
983	u_int8_t macaddr[IEEE80211_ADDR_LEN];
984	const int off = __offsetof(struct ieee80211req_sta_stats, is_stats);
985	int error;
986
987	if (ireq->i_len < off)
988		return EINVAL;
989	error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN);
990	if (error != 0)
991		return error;
992	if (ic->ic_sta == NULL)
993		return EINVAL;
994	ni = ieee80211_find_node(ic->ic_sta, macaddr);
995	if (ni == NULL)
996		return EINVAL;		/* XXX */
997	if (ireq->i_len > sizeof(struct ieee80211req_sta_stats))
998		ireq->i_len = sizeof(struct ieee80211req_sta_stats);
999	/* NB: copy out only the statistics */
1000	error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off,
1001			ireq->i_len - off);
1002	ieee80211_free_node(ni);
1003	return error;
1004}
1005
1006static void
1007get_scan_result(struct ieee80211req_scan_result *sr,
1008	const struct ieee80211_node *ni)
1009{
1010	struct ieee80211com *ic = ni->ni_ic;
1011
1012	memset(sr, 0, sizeof(*sr));
1013	sr->isr_ssid_len = ni->ni_esslen;
1014	if (ni->ni_wpa_ie != NULL)
1015		sr->isr_ie_len += 2+ni->ni_wpa_ie[1];
1016	if (ni->ni_wme_ie != NULL)
1017		sr->isr_ie_len += 2+ni->ni_wme_ie[1];
1018	sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len;
1019	sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t));
1020	if (ni->ni_chan != IEEE80211_CHAN_ANYC) {
1021		sr->isr_freq = ni->ni_chan->ic_freq;
1022		sr->isr_flags = ni->ni_chan->ic_flags;
1023	}
1024	sr->isr_rssi = ic->ic_node_getrssi(ni);
1025	sr->isr_intval = ni->ni_intval;
1026	sr->isr_capinfo = ni->ni_capinfo;
1027	sr->isr_erp = ni->ni_erp;
1028	IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid);
1029	sr->isr_nrates = ni->ni_rates.rs_nrates;
1030	if (sr->isr_nrates > 15)
1031		sr->isr_nrates = 15;
1032	memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates);
1033}
1034
1035static int
1036ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq)
1037{
1038	union {
1039		struct ieee80211req_scan_result res;
1040		char data[512];		/* XXX shrink? */
1041	} u;
1042	struct ieee80211req_scan_result *sr = &u.res;
1043	struct ieee80211_node_table *nt;
1044	struct ieee80211_node *ni;
1045	int error, space;
1046	u_int8_t *p, *cp;
1047
1048	p = ireq->i_data;
1049	space = ireq->i_len;
1050	error = 0;
1051	/* XXX locking */
1052	nt =  &ic->ic_scan;
1053	TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
1054		/* NB: skip pre-scan node state */
1055		if (ni->ni_chan == IEEE80211_CHAN_ANYC)
1056			continue;
1057		get_scan_result(sr, ni);
1058		if (sr->isr_len > sizeof(u))
1059			continue;		/* XXX */
1060		if (space < sr->isr_len)
1061			break;
1062		cp = (u_int8_t *)(sr+1);
1063		memcpy(cp, ni->ni_essid, ni->ni_esslen);
1064		cp += ni->ni_esslen;
1065		if (ni->ni_wpa_ie != NULL) {
1066			memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]);
1067			cp += 2+ni->ni_wpa_ie[1];
1068		}
1069		if (ni->ni_wme_ie != NULL) {
1070			memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]);
1071			cp += 2+ni->ni_wme_ie[1];
1072		}
1073		error = copyout(sr, p, sr->isr_len);
1074		if (error)
1075			break;
1076		p += sr->isr_len;
1077		space -= sr->isr_len;
1078	}
1079	ireq->i_len -= space;
1080	return error;
1081}
1082
1083static void
1084get_sta_info(struct ieee80211req_sta_info *si, const struct ieee80211_node *ni)
1085{
1086	struct ieee80211com *ic = ni->ni_ic;
1087
1088	si->isi_ie_len = 0;
1089	if (ni->ni_wpa_ie != NULL)
1090		si->isi_ie_len += 2+ni->ni_wpa_ie[1];
1091	if (ni->ni_wme_ie != NULL)
1092		si->isi_ie_len += 2+ni->ni_wme_ie[1];
1093	si->isi_len = sizeof(*si) + si->isi_ie_len, sizeof(u_int32_t);
1094	si->isi_len = roundup(si->isi_len, sizeof(u_int32_t));
1095	si->isi_freq = ni->ni_chan->ic_freq;
1096	si->isi_flags = ni->ni_chan->ic_flags;
1097	si->isi_state = ni->ni_flags;
1098	si->isi_authmode = ni->ni_authmode;
1099	si->isi_rssi = ic->ic_node_getrssi(ni);
1100	si->isi_capinfo = ni->ni_capinfo;
1101	si->isi_erp = ni->ni_erp;
1102	IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr);
1103	si->isi_nrates = ni->ni_rates.rs_nrates;
1104	if (si->isi_nrates > 15)
1105		si->isi_nrates = 15;
1106	memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates);
1107	si->isi_txrate = ni->ni_txrate;
1108	si->isi_associd = ni->ni_associd;
1109	si->isi_txpower = ni->ni_txpower;
1110	si->isi_vlan = ni->ni_vlan;
1111	if (ni->ni_flags & IEEE80211_NODE_QOS) {
1112		memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs));
1113		memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs));
1114	} else {
1115		si->isi_txseqs[0] = ni->ni_txseqs[0];
1116		si->isi_rxseqs[0] = ni->ni_rxseqs[0];
1117	}
1118	if (ic->ic_opmode == IEEE80211_M_IBSS || ni->ni_associd != 0)
1119		si->isi_inact = ic->ic_inact_run;
1120	else if (ieee80211_node_is_authorized(ni))
1121		si->isi_inact = ic->ic_inact_auth;
1122	else
1123		si->isi_inact = ic->ic_inact_init;
1124	si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT;
1125}
1126
1127static int
1128ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq)
1129{
1130	union {
1131		struct ieee80211req_sta_info info;
1132		char data[512];		/* XXX shrink? */
1133	} u;
1134	struct ieee80211req_sta_info *si = &u.info;
1135	struct ieee80211_node_table *nt;
1136	struct ieee80211_node *ni;
1137	int error, space;
1138	u_int8_t *p, *cp;
1139
1140	nt = ic->ic_sta;
1141	if (nt == NULL)
1142		return EINVAL;
1143	p = ireq->i_data;
1144	space = ireq->i_len;
1145	error = 0;
1146	/* XXX locking */
1147	TAILQ_FOREACH(ni, &nt->nt_node, ni_list) {
1148		get_sta_info(si, ni);
1149		if (si->isi_len > sizeof(u))
1150			continue;		/* XXX */
1151		if (space < si->isi_len)
1152			break;
1153		cp = (u_int8_t *)(si+1);
1154		if (ni->ni_wpa_ie != NULL) {
1155			memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]);
1156			cp += 2+ni->ni_wpa_ie[1];
1157		}
1158		if (ni->ni_wme_ie != NULL) {
1159			memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]);
1160			cp += 2+ni->ni_wme_ie[1];
1161		}
1162		error = copyout(si, p, si->isi_len);
1163		if (error)
1164			break;
1165		p += si->isi_len;
1166		space -= si->isi_len;
1167	}
1168	ireq->i_len -= space;
1169	return error;
1170}
1171
1172static int
1173ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq)
1174{
1175	struct ieee80211_node *ni;
1176	struct ieee80211req_sta_txpow txpow;
1177	int error;
1178
1179	if (ireq->i_len != sizeof(txpow))
1180		return EINVAL;
1181	error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1182	if (error != 0)
1183		return error;
1184	if (ic->ic_sta == NULL)
1185		return EINVAL;
1186	ni = ieee80211_find_node(ic->ic_sta, txpow.it_macaddr);
1187	if (ni == NULL)
1188		return EINVAL;		/* XXX */
1189	txpow.it_txpow = ni->ni_txpower;
1190	error = copyout(&txpow, ireq->i_data, sizeof(txpow));
1191	ieee80211_free_node(ni);
1192	return error;
1193}
1194
1195static int
1196ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq)
1197{
1198	struct ieee80211_wme_state *wme = &ic->ic_wme;
1199	struct wmeParams *wmep;
1200	int ac;
1201
1202	if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1203		return EINVAL;
1204
1205	ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1206	if (ac >= WME_NUM_AC)
1207		ac = WME_AC_BE;
1208	if (ireq->i_len & IEEE80211_WMEPARAM_BSS)
1209		wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1210	else
1211		wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1212	switch (ireq->i_type) {
1213	case IEEE80211_IOC_WME_CWMIN:		/* WME: CWmin */
1214		ireq->i_val = wmep->wmep_logcwmin;
1215		break;
1216	case IEEE80211_IOC_WME_CWMAX:		/* WME: CWmax */
1217		ireq->i_val = wmep->wmep_logcwmax;
1218		break;
1219	case IEEE80211_IOC_WME_AIFS:		/* WME: AIFS */
1220		ireq->i_val = wmep->wmep_aifsn;
1221		break;
1222	case IEEE80211_IOC_WME_TXOPLIMIT:	/* WME: txops limit */
1223		ireq->i_val = wmep->wmep_txopLimit;
1224		break;
1225	case IEEE80211_IOC_WME_ACM:		/* WME: ACM (bss only) */
1226		wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1227		ireq->i_val = wmep->wmep_acm;
1228		break;
1229	case IEEE80211_IOC_WME_ACKPOLICY:	/* WME: ACK policy (!bss only)*/
1230		wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1231		ireq->i_val = !wmep->wmep_noackPolicy;
1232		break;
1233	}
1234	return 0;
1235}
1236
1237static int
1238ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq)
1239{
1240	const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn;
1241	int error = 0;
1242	u_int kid, len, m;
1243	u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE];
1244	char tmpssid[IEEE80211_NWID_LEN];
1245
1246	switch (ireq->i_type) {
1247	case IEEE80211_IOC_SSID:
1248		switch (ic->ic_state) {
1249		case IEEE80211_S_INIT:
1250		case IEEE80211_S_SCAN:
1251			ireq->i_len = ic->ic_des_esslen;
1252			memcpy(tmpssid, ic->ic_des_essid, ireq->i_len);
1253			break;
1254		default:
1255			ireq->i_len = ic->ic_bss->ni_esslen;
1256			memcpy(tmpssid, ic->ic_bss->ni_essid,
1257				ireq->i_len);
1258			break;
1259		}
1260		error = copyout(tmpssid, ireq->i_data, ireq->i_len);
1261		break;
1262	case IEEE80211_IOC_NUMSSIDS:
1263		ireq->i_val = 1;
1264		break;
1265	case IEEE80211_IOC_WEP:
1266		if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0)
1267			ireq->i_val = IEEE80211_WEP_OFF;
1268		else if (ic->ic_flags & IEEE80211_F_DROPUNENC)
1269			ireq->i_val = IEEE80211_WEP_ON;
1270		else
1271			ireq->i_val = IEEE80211_WEP_MIXED;
1272		break;
1273	case IEEE80211_IOC_WEPKEY:
1274		kid = (u_int) ireq->i_val;
1275		if (kid >= IEEE80211_WEP_NKID)
1276			return EINVAL;
1277		len = (u_int) ic->ic_nw_keys[kid].wk_keylen;
1278		/* NB: only root can read WEP keys */
1279		if (suser(curthread) == 0) {
1280			bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len);
1281		} else {
1282			bzero(tmpkey, len);
1283		}
1284		ireq->i_len = len;
1285		error = copyout(tmpkey, ireq->i_data, len);
1286		break;
1287	case IEEE80211_IOC_NUMWEPKEYS:
1288		ireq->i_val = IEEE80211_WEP_NKID;
1289		break;
1290	case IEEE80211_IOC_WEPTXKEY:
1291		ireq->i_val = ic->ic_def_txkey;
1292		break;
1293	case IEEE80211_IOC_AUTHMODE:
1294		if (ic->ic_flags & IEEE80211_F_WPA)
1295			ireq->i_val = IEEE80211_AUTH_WPA;
1296		else
1297			ireq->i_val = ic->ic_bss->ni_authmode;
1298		break;
1299	case IEEE80211_IOC_CHANNEL:
1300		ireq->i_val = ieee80211_chan2ieee(ic, getcurchan(ic));
1301		break;
1302	case IEEE80211_IOC_POWERSAVE:
1303		if (ic->ic_flags & IEEE80211_F_PMGTON)
1304			ireq->i_val = IEEE80211_POWERSAVE_ON;
1305		else
1306			ireq->i_val = IEEE80211_POWERSAVE_OFF;
1307		break;
1308	case IEEE80211_IOC_POWERSAVESLEEP:
1309		ireq->i_val = ic->ic_lintval;
1310		break;
1311	case IEEE80211_IOC_RTSTHRESHOLD:
1312		ireq->i_val = ic->ic_rtsthreshold;
1313		break;
1314	case IEEE80211_IOC_PROTMODE:
1315		ireq->i_val = ic->ic_protmode;
1316		break;
1317	case IEEE80211_IOC_TXPOWER:
1318		if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
1319			return EINVAL;
1320		ireq->i_val = ic->ic_txpowlimit;
1321		break;
1322	case IEEE80211_IOC_MCASTCIPHER:
1323		ireq->i_val = rsn->rsn_mcastcipher;
1324		break;
1325	case IEEE80211_IOC_MCASTKEYLEN:
1326		ireq->i_val = rsn->rsn_mcastkeylen;
1327		break;
1328	case IEEE80211_IOC_UCASTCIPHERS:
1329		ireq->i_val = 0;
1330		for (m = 0x1; m != 0; m <<= 1)
1331			if (rsn->rsn_ucastcipherset & m)
1332				ireq->i_val |= 1<<cap2cipher(m);
1333		break;
1334	case IEEE80211_IOC_UCASTCIPHER:
1335		ireq->i_val = rsn->rsn_ucastcipher;
1336		break;
1337	case IEEE80211_IOC_UCASTKEYLEN:
1338		ireq->i_val = rsn->rsn_ucastkeylen;
1339		break;
1340	case IEEE80211_IOC_KEYMGTALGS:
1341		ireq->i_val = rsn->rsn_keymgmtset;
1342		break;
1343	case IEEE80211_IOC_RSNCAPS:
1344		ireq->i_val = rsn->rsn_caps;
1345		break;
1346	case IEEE80211_IOC_WPA:
1347		switch (ic->ic_flags & IEEE80211_F_WPA) {
1348		case IEEE80211_F_WPA1:
1349			ireq->i_val = 1;
1350			break;
1351		case IEEE80211_F_WPA2:
1352			ireq->i_val = 2;
1353			break;
1354		case IEEE80211_F_WPA1 | IEEE80211_F_WPA2:
1355			ireq->i_val = 3;
1356			break;
1357		default:
1358			ireq->i_val = 0;
1359			break;
1360		}
1361		break;
1362	case IEEE80211_IOC_CHANLIST:
1363		error = ieee80211_ioctl_getchanlist(ic, ireq);
1364		break;
1365	case IEEE80211_IOC_ROAMING:
1366		ireq->i_val = ic->ic_roaming;
1367		break;
1368	case IEEE80211_IOC_PRIVACY:
1369		ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0;
1370		break;
1371	case IEEE80211_IOC_DROPUNENCRYPTED:
1372		ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0;
1373		break;
1374	case IEEE80211_IOC_COUNTERMEASURES:
1375		ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0;
1376		break;
1377	case IEEE80211_IOC_DRIVER_CAPS:
1378		ireq->i_val = ic->ic_caps>>16;
1379		ireq->i_len = ic->ic_caps&0xffff;
1380		break;
1381	case IEEE80211_IOC_WME:
1382		ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0;
1383		break;
1384	case IEEE80211_IOC_HIDESSID:
1385		ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0;
1386		break;
1387	case IEEE80211_IOC_APBRIDGE:
1388		ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0;
1389		break;
1390	case IEEE80211_IOC_OPTIE:
1391		if (ic->ic_opt_ie == NULL)
1392			return EINVAL;
1393		/* NB: truncate, caller can check length */
1394		if (ireq->i_len > ic->ic_opt_ie_len)
1395			ireq->i_len = ic->ic_opt_ie_len;
1396		error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len);
1397		break;
1398	case IEEE80211_IOC_WPAKEY:
1399		error = ieee80211_ioctl_getkey(ic, ireq);
1400		break;
1401	case IEEE80211_IOC_CHANINFO:
1402		error = ieee80211_ioctl_getchaninfo(ic, ireq);
1403		break;
1404	case IEEE80211_IOC_BSSID:
1405		if (ireq->i_len != IEEE80211_ADDR_LEN)
1406			return EINVAL;
1407		error = copyout(ic->ic_state == IEEE80211_S_RUN ?
1408					ic->ic_bss->ni_bssid :
1409					ic->ic_des_bssid,
1410				ireq->i_data, ireq->i_len);
1411		break;
1412	case IEEE80211_IOC_WPAIE:
1413		error = ieee80211_ioctl_getwpaie(ic, ireq);
1414		break;
1415	case IEEE80211_IOC_SCAN_RESULTS:
1416		error = ieee80211_ioctl_getscanresults(ic, ireq);
1417		break;
1418	case IEEE80211_IOC_STA_STATS:
1419		error = ieee80211_ioctl_getstastats(ic, ireq);
1420		break;
1421	case IEEE80211_IOC_TXPOWMAX:
1422		ireq->i_val = ic->ic_bss->ni_txpower;
1423		break;
1424	case IEEE80211_IOC_STA_TXPOW:
1425		error = ieee80211_ioctl_getstatxpow(ic, ireq);
1426		break;
1427	case IEEE80211_IOC_STA_INFO:
1428		error = ieee80211_ioctl_getstainfo(ic, ireq);
1429		break;
1430	case IEEE80211_IOC_WME_CWMIN:		/* WME: CWmin */
1431	case IEEE80211_IOC_WME_CWMAX:		/* WME: CWmax */
1432	case IEEE80211_IOC_WME_AIFS:		/* WME: AIFS */
1433	case IEEE80211_IOC_WME_TXOPLIMIT:	/* WME: txops limit */
1434	case IEEE80211_IOC_WME_ACM:		/* WME: ACM (bss only) */
1435	case IEEE80211_IOC_WME_ACKPOLICY:	/* WME: ACK policy (bss only) */
1436		error = ieee80211_ioctl_getwmeparam(ic, ireq);
1437		break;
1438	case IEEE80211_IOC_DTIM_PERIOD:
1439		ireq->i_val = ic->ic_dtim_period;
1440		break;
1441	case IEEE80211_IOC_BEACON_INTERVAL:
1442		/* NB: get from ic_bss for station mode */
1443		ireq->i_val = ic->ic_bss->ni_intval;
1444		break;
1445	default:
1446		error = EINVAL;
1447		break;
1448	}
1449	return error;
1450}
1451
1452static int
1453ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq)
1454{
1455	int error;
1456	void *ie;
1457
1458	/*
1459	 * NB: Doing this for ap operation could be useful (e.g. for
1460	 *     WPA and/or WME) except that it typically is worthless
1461	 *     without being able to intervene when processing
1462	 *     association response frames--so disallow it for now.
1463	 */
1464	if (ic->ic_opmode != IEEE80211_M_STA)
1465		return EINVAL;
1466	if (ireq->i_len > IEEE80211_MAX_OPT_IE)
1467		return EINVAL;
1468	/* NB: data.length is validated by the wireless extensions code */
1469	MALLOC(ie, void *, ireq->i_len, M_DEVBUF, M_WAITOK);
1470	if (ie == NULL)
1471		return ENOMEM;
1472	error = copyin(ireq->i_data, ie, ireq->i_len);
1473	/* XXX sanity check data? */
1474	if (ic->ic_opt_ie != NULL)
1475		FREE(ic->ic_opt_ie, M_DEVBUF);
1476	ic->ic_opt_ie = ie;
1477	ic->ic_opt_ie_len = ireq->i_len;
1478	return 0;
1479}
1480
1481static int
1482ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq)
1483{
1484	struct ieee80211req_key ik;
1485	struct ieee80211_node *ni;
1486	struct ieee80211_key *wk;
1487	u_int16_t kid;
1488	int error;
1489
1490	if (ireq->i_len != sizeof(ik))
1491		return EINVAL;
1492	error = copyin(ireq->i_data, &ik, sizeof(ik));
1493	if (error)
1494		return error;
1495	/* NB: cipher support is verified by ieee80211_crypt_newkey */
1496	/* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */
1497	if (ik.ik_keylen > sizeof(ik.ik_keydata))
1498		return E2BIG;
1499	kid = ik.ik_keyix;
1500	if (kid == IEEE80211_KEYIX_NONE) {
1501		/* XXX unicast keys currently must be tx/rx */
1502		if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV))
1503			return EINVAL;
1504		if (ic->ic_opmode == IEEE80211_M_STA) {
1505			ni = ic->ic_bss;
1506			if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid))
1507				return EADDRNOTAVAIL;
1508		} else {
1509			if (ic->ic_sta == NULL)
1510				return EINVAL;
1511			ni = ieee80211_find_node(ic->ic_sta, ik.ik_macaddr);
1512			if (ni == NULL)
1513				return ENOENT;
1514		}
1515		wk = &ni->ni_ucastkey;
1516	} else {
1517		if (kid >= IEEE80211_WEP_NKID)
1518			return EINVAL;
1519		wk = &ic->ic_nw_keys[kid];
1520		ni = NULL;
1521	}
1522	error = 0;
1523	ieee80211_key_update_begin(ic);
1524	if (ieee80211_crypto_newkey(ic, ik.ik_type, wk)) {
1525		wk->wk_keylen = ik.ik_keylen;
1526		/* NB: MIC presence is implied by cipher type */
1527		if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE)
1528			wk->wk_keylen = IEEE80211_KEYBUF_SIZE;
1529		wk->wk_keyrsc = ik.ik_keyrsc;
1530		wk->wk_keytsc = 0;			/* new key, reset */
1531		wk->wk_flags |=
1532			ik.ik_flags & (IEEE80211_KEY_XMIT|IEEE80211_KEY_RECV);
1533		memset(wk->wk_key, 0, sizeof(wk->wk_key));
1534		memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen);
1535		if (!ieee80211_crypto_setkey(ic, wk,
1536		    ni != NULL ? ni->ni_macaddr : ik.ik_macaddr))
1537			error = EIO;
1538		else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT))
1539			ic->ic_def_txkey = kid;
1540	} else
1541		error = ENXIO;
1542	ieee80211_key_update_end(ic);
1543	if (ni != NULL)
1544		ieee80211_free_node(ni);
1545	return error;
1546}
1547
1548static int
1549ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq)
1550{
1551	struct ieee80211req_del_key dk;
1552	int kid, error;
1553
1554	if (ireq->i_len != sizeof(dk))
1555		return EINVAL;
1556	error = copyin(ireq->i_data, &dk, sizeof(dk));
1557	if (error)
1558		return error;
1559	kid = dk.idk_keyix;
1560	/* XXX u_int8_t -> u_int16_t */
1561	if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) {
1562		struct ieee80211_node *ni;
1563
1564		if (ic->ic_sta == NULL)
1565			return EINVAL;
1566		ni = ieee80211_find_node(ic->ic_sta, dk.idk_macaddr);
1567		if (ni == NULL)
1568			return EINVAL;		/* XXX */
1569		/* XXX error return */
1570		ieee80211_crypto_delkey(ic, &ni->ni_ucastkey);
1571		ieee80211_free_node(ni);
1572	} else {
1573		if (kid >= IEEE80211_WEP_NKID)
1574			return EINVAL;
1575		/* XXX error return */
1576		ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]);
1577	}
1578	return 0;
1579}
1580
1581static void
1582domlme(void *arg, struct ieee80211_node *ni)
1583{
1584	struct ieee80211com *ic = ni->ni_ic;
1585	struct ieee80211req_mlme *mlme = arg;
1586
1587	if (ni->ni_associd != 0) {
1588		IEEE80211_SEND_MGMT(ic, ni,
1589			mlme->im_op == IEEE80211_MLME_DEAUTH ?
1590				IEEE80211_FC0_SUBTYPE_DEAUTH :
1591				IEEE80211_FC0_SUBTYPE_DISASSOC,
1592			mlme->im_reason);
1593	}
1594	ieee80211_node_leave(ic, ni);
1595}
1596
1597static int
1598ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq)
1599{
1600	struct ieee80211req_mlme mlme;
1601	struct ieee80211_node *ni;
1602	int error;
1603
1604	if (ireq->i_len != sizeof(mlme))
1605		return EINVAL;
1606	error = copyin(ireq->i_data, &mlme, sizeof(mlme));
1607	if (error)
1608		return error;
1609	switch (mlme.im_op) {
1610	case IEEE80211_MLME_ASSOC:
1611		if (ic->ic_opmode != IEEE80211_M_STA)
1612			return EINVAL;
1613		/* XXX must be in S_SCAN state? */
1614
1615		if (ic->ic_des_esslen != 0) {
1616			/*
1617			 * Desired ssid specified; must match both bssid and
1618			 * ssid to distinguish ap advertising multiple ssid's.
1619			 */
1620			ni = ieee80211_find_node_with_ssid(&ic->ic_scan,
1621				mlme.im_macaddr,
1622				ic->ic_des_esslen, ic->ic_des_essid);
1623		} else {
1624			/*
1625			 * Normal case; just match bssid.
1626			 */
1627			ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr);
1628		}
1629		if (ni == NULL)
1630			return EINVAL;
1631		if (!ieee80211_sta_join(ic, ni)) {
1632			ieee80211_free_node(ni);
1633			return EINVAL;
1634		}
1635		break;
1636	case IEEE80211_MLME_DISASSOC:
1637	case IEEE80211_MLME_DEAUTH:
1638		switch (ic->ic_opmode) {
1639		case IEEE80211_M_STA:
1640			/* XXX not quite right */
1641			ieee80211_new_state(ic, IEEE80211_S_INIT,
1642				mlme.im_reason);
1643			break;
1644		case IEEE80211_M_HOSTAP:
1645			/* NB: the broadcast address means do 'em all */
1646			if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) {
1647				if (ic->ic_sta == NULL ||
1648				    (ni = ieee80211_find_node(ic->ic_sta,
1649						mlme.im_macaddr)) == NULL)
1650					return EINVAL;
1651				domlme(&mlme, ni);
1652				ieee80211_free_node(ni);
1653			} else {
1654				if (ic->ic_sta != NULL)
1655					ieee80211_iterate_nodes(ic->ic_sta,
1656						domlme, &mlme);
1657			}
1658			break;
1659		default:
1660			return EINVAL;
1661		}
1662		break;
1663	case IEEE80211_MLME_AUTHORIZE:
1664	case IEEE80211_MLME_UNAUTHORIZE:
1665		if (ic->ic_opmode != IEEE80211_M_HOSTAP)
1666			return EINVAL;
1667		if (ic->ic_sta == NULL)
1668			return EINVAL;
1669		ni = ieee80211_find_node(ic->ic_sta, mlme.im_macaddr);
1670		if (ni == NULL)
1671			return EINVAL;
1672		if (mlme.im_op == IEEE80211_MLME_AUTHORIZE)
1673			ieee80211_node_authorize(ic, ni);
1674		else
1675			ieee80211_node_unauthorize(ic, ni);
1676		ieee80211_free_node(ni);
1677		break;
1678	default:
1679		return EINVAL;
1680	}
1681	return 0;
1682}
1683
1684static int
1685ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq)
1686{
1687	u_int8_t mac[IEEE80211_ADDR_LEN];
1688	const struct ieee80211_aclator *acl = ic->ic_acl;
1689	int error;
1690
1691	if (ireq->i_len != sizeof(mac))
1692		return EINVAL;
1693	error = copyin(ireq->i_data, mac, ireq->i_len);
1694	if (error)
1695		return error;
1696	if (acl == NULL) {
1697		acl = ieee80211_aclator_get("mac");
1698		if (acl == NULL || !acl->iac_attach(ic))
1699			return EINVAL;
1700		ic->ic_acl = acl;
1701	}
1702	if (ireq->i_type == IEEE80211_IOC_ADDMAC)
1703		acl->iac_add(ic, mac);
1704	else
1705		acl->iac_remove(ic, mac);
1706	return 0;
1707}
1708
1709static int
1710ieee80211_ioctl_maccmd(struct ieee80211com *ic, struct ieee80211req *ireq)
1711{
1712	const struct ieee80211_aclator *acl = ic->ic_acl;
1713
1714	switch (ireq->i_val) {
1715	case IEEE80211_MACCMD_POLICY_OPEN:
1716	case IEEE80211_MACCMD_POLICY_ALLOW:
1717	case IEEE80211_MACCMD_POLICY_DENY:
1718		if (acl == NULL) {
1719			acl = ieee80211_aclator_get("mac");
1720			if (acl == NULL || !acl->iac_attach(ic))
1721				return EINVAL;
1722			ic->ic_acl = acl;
1723		}
1724		acl->iac_setpolicy(ic, ireq->i_val);
1725		break;
1726	case IEEE80211_MACCMD_FLUSH:
1727		if (acl != NULL)
1728			acl->iac_flush(ic);
1729		/* NB: silently ignore when not in use */
1730		break;
1731	case IEEE80211_MACCMD_DETACH:
1732		if (acl != NULL) {
1733			ic->ic_acl = NULL;
1734			acl->iac_detach(ic);
1735		}
1736		break;
1737	default:
1738		return EINVAL;
1739	}
1740	return 0;
1741}
1742
1743static int
1744ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq)
1745{
1746	struct ieee80211req_chanlist list;
1747	u_char chanlist[IEEE80211_CHAN_BYTES];
1748	int i, j, error;
1749
1750	if (ireq->i_len != sizeof(list))
1751		return EINVAL;
1752	error = copyin(ireq->i_data, &list, sizeof(list));
1753	if (error)
1754		return error;
1755	memset(chanlist, 0, sizeof(chanlist));
1756	/*
1757	 * Since channel 0 is not available for DS, channel 1
1758	 * is assigned to LSB on WaveLAN.
1759	 */
1760	if (ic->ic_phytype == IEEE80211_T_DS)
1761		i = 1;
1762	else
1763		i = 0;
1764	for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) {
1765		/*
1766		 * NB: silently discard unavailable channels so users
1767		 *     can specify 1-255 to get all available channels.
1768		 */
1769		if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i))
1770			setbit(chanlist, i);
1771	}
1772	if (ic->ic_ibss_chan == NULL ||
1773	    isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) {
1774		for (i = 0; i <= IEEE80211_CHAN_MAX; i++)
1775			if (isset(chanlist, i)) {
1776				ic->ic_ibss_chan = &ic->ic_channels[i];
1777				goto found;
1778			}
1779		return EINVAL;			/* no active channels */
1780found:
1781		;
1782	}
1783	memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active));
1784	if (ic->ic_bss->ni_chan == IEEE80211_CHAN_ANYC ||
1785	    isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan)))
1786		ic->ic_bss->ni_chan = ic->ic_ibss_chan;
1787	return IS_UP_AUTO(ic) ? ENETRESET : 0;
1788}
1789
1790static int
1791ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq)
1792{
1793	struct ieee80211_node *ni;
1794	struct ieee80211req_sta_txpow txpow;
1795	int error;
1796
1797	if (ireq->i_len != sizeof(txpow))
1798		return EINVAL;
1799	error = copyin(ireq->i_data, &txpow, sizeof(txpow));
1800	if (error != 0)
1801		return error;
1802	if (ic->ic_sta == NULL)
1803		return EINVAL;
1804	ni = ieee80211_find_node(ic->ic_sta, txpow.it_macaddr);
1805	if (ni == NULL)
1806		return EINVAL;		/* XXX */
1807	ni->ni_txpower = txpow.it_txpow;
1808	ieee80211_free_node(ni);
1809	return error;
1810}
1811
1812static int
1813ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq)
1814{
1815	struct ieee80211_wme_state *wme = &ic->ic_wme;
1816	struct wmeParams *wmep, *chanp;
1817	int isbss, ac;
1818
1819	if ((ic->ic_caps & IEEE80211_C_WME) == 0)
1820		return EINVAL;
1821
1822	isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS);
1823	ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL);
1824	if (ac >= WME_NUM_AC)
1825		ac = WME_AC_BE;
1826	if (isbss) {
1827		chanp = &wme->wme_bssChanParams.cap_wmeParams[ac];
1828		wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac];
1829	} else {
1830		chanp = &wme->wme_chanParams.cap_wmeParams[ac];
1831		wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac];
1832	}
1833	switch (ireq->i_type) {
1834	case IEEE80211_IOC_WME_CWMIN:		/* WME: CWmin */
1835		if (isbss) {
1836			wmep->wmep_logcwmin = ireq->i_val;
1837			if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1838				chanp->wmep_logcwmin = ireq->i_val;
1839		} else {
1840			wmep->wmep_logcwmin = chanp->wmep_logcwmin =
1841				ireq->i_val;
1842		}
1843		break;
1844	case IEEE80211_IOC_WME_CWMAX:		/* WME: CWmax */
1845		if (isbss) {
1846			wmep->wmep_logcwmax = ireq->i_val;
1847			if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1848				chanp->wmep_logcwmax = ireq->i_val;
1849		} else {
1850			wmep->wmep_logcwmax = chanp->wmep_logcwmax =
1851				ireq->i_val;
1852		}
1853		break;
1854	case IEEE80211_IOC_WME_AIFS:		/* WME: AIFS */
1855		if (isbss) {
1856			wmep->wmep_aifsn = ireq->i_val;
1857			if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1858				chanp->wmep_aifsn = ireq->i_val;
1859		} else {
1860			wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val;
1861		}
1862		break;
1863	case IEEE80211_IOC_WME_TXOPLIMIT:	/* WME: txops limit */
1864		if (isbss) {
1865			wmep->wmep_txopLimit = ireq->i_val;
1866			if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1867				chanp->wmep_txopLimit = ireq->i_val;
1868		} else {
1869			wmep->wmep_txopLimit = chanp->wmep_txopLimit =
1870				ireq->i_val;
1871		}
1872		break;
1873	case IEEE80211_IOC_WME_ACM:		/* WME: ACM (bss only) */
1874		wmep->wmep_acm = ireq->i_val;
1875		if ((wme->wme_flags & WME_F_AGGRMODE) == 0)
1876			chanp->wmep_acm = ireq->i_val;
1877		break;
1878	case IEEE80211_IOC_WME_ACKPOLICY:	/* WME: ACK policy (!bss only)*/
1879		wmep->wmep_noackPolicy = chanp->wmep_noackPolicy =
1880			(ireq->i_val) == 0;
1881		break;
1882	}
1883	ieee80211_wme_updateparams(ic);
1884	return 0;
1885}
1886
1887static int
1888cipher2cap(int cipher)
1889{
1890	switch (cipher) {
1891	case IEEE80211_CIPHER_WEP:	return IEEE80211_C_WEP;
1892	case IEEE80211_CIPHER_AES_OCB:	return IEEE80211_C_AES;
1893	case IEEE80211_CIPHER_AES_CCM:	return IEEE80211_C_AES_CCM;
1894	case IEEE80211_CIPHER_CKIP:	return IEEE80211_C_CKIP;
1895	case IEEE80211_CIPHER_TKIP:	return IEEE80211_C_TKIP;
1896	}
1897	return 0;
1898}
1899
1900static int
1901ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq)
1902{
1903	static const u_int8_t zerobssid[IEEE80211_ADDR_LEN];
1904	struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn;
1905	int error;
1906	const struct ieee80211_authenticator *auth;
1907	u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE];
1908	char tmpssid[IEEE80211_NWID_LEN];
1909	u_int8_t tmpbssid[IEEE80211_ADDR_LEN];
1910	struct ieee80211_key *k;
1911	int j, caps;
1912	u_int kid;
1913
1914	error = 0;
1915	switch (ireq->i_type) {
1916	case IEEE80211_IOC_SSID:
1917		if (ireq->i_val != 0 ||
1918		    ireq->i_len > IEEE80211_NWID_LEN)
1919			return EINVAL;
1920		error = copyin(ireq->i_data, tmpssid, ireq->i_len);
1921		if (error)
1922			break;
1923		memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN);
1924		ic->ic_des_esslen = ireq->i_len;
1925		memcpy(ic->ic_des_essid, tmpssid, ireq->i_len);
1926		error = ENETRESET;
1927		break;
1928	case IEEE80211_IOC_WEP:
1929		switch (ireq->i_val) {
1930		case IEEE80211_WEP_OFF:
1931			ic->ic_flags &= ~IEEE80211_F_PRIVACY;
1932			ic->ic_flags &= ~IEEE80211_F_DROPUNENC;
1933			break;
1934		case IEEE80211_WEP_ON:
1935			ic->ic_flags |= IEEE80211_F_PRIVACY;
1936			ic->ic_flags |= IEEE80211_F_DROPUNENC;
1937			break;
1938		case IEEE80211_WEP_MIXED:
1939			ic->ic_flags |= IEEE80211_F_PRIVACY;
1940			ic->ic_flags &= ~IEEE80211_F_DROPUNENC;
1941			break;
1942		}
1943		error = ENETRESET;
1944		break;
1945	case IEEE80211_IOC_WEPKEY:
1946		kid = (u_int) ireq->i_val;
1947		if (kid >= IEEE80211_WEP_NKID)
1948			return EINVAL;
1949		k = &ic->ic_nw_keys[kid];
1950		if (ireq->i_len == 0) {
1951			/* zero-len =>'s delete any existing key */
1952			(void) ieee80211_crypto_delkey(ic, k);
1953			break;
1954		}
1955		if (ireq->i_len > sizeof(tmpkey))
1956			return EINVAL;
1957		memset(tmpkey, 0, sizeof(tmpkey));
1958		error = copyin(ireq->i_data, tmpkey, ireq->i_len);
1959		if (error)
1960			break;
1961		ieee80211_key_update_begin(ic);
1962		if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, k)) {
1963			k->wk_keylen = ireq->i_len;
1964			k->wk_flags |=
1965			    IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV;
1966			memcpy(k->wk_key, tmpkey, sizeof(tmpkey));
1967			if  (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr))
1968				error = EINVAL;
1969		} else
1970			error = EINVAL;
1971		ieee80211_key_update_end(ic);
1972		break;
1973	case IEEE80211_IOC_WEPTXKEY:
1974		kid = (u_int) ireq->i_val;
1975		if (kid >= IEEE80211_WEP_NKID &&
1976		    (u_int16_t) kid != IEEE80211_KEYIX_NONE)
1977			return EINVAL;
1978		ic->ic_def_txkey = kid;
1979		error = ENETRESET;	/* push to hardware */
1980		break;
1981	case IEEE80211_IOC_AUTHMODE:
1982		switch (ireq->i_val) {
1983		case IEEE80211_AUTH_WPA:
1984		case IEEE80211_AUTH_8021X:	/* 802.1x */
1985		case IEEE80211_AUTH_OPEN:	/* open */
1986		case IEEE80211_AUTH_SHARED:	/* shared-key */
1987		case IEEE80211_AUTH_AUTO:	/* auto */
1988			auth = ieee80211_authenticator_get(ireq->i_val);
1989			if (auth == NULL)
1990				return EINVAL;
1991			break;
1992		default:
1993			return EINVAL;
1994		}
1995		switch (ireq->i_val) {
1996		case IEEE80211_AUTH_WPA:	/* WPA w/ 802.1x */
1997			ic->ic_flags |= IEEE80211_F_PRIVACY;
1998			ireq->i_val = IEEE80211_AUTH_8021X;
1999			break;
2000		case IEEE80211_AUTH_OPEN:	/* open */
2001			ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY);
2002			break;
2003		case IEEE80211_AUTH_SHARED:	/* shared-key */
2004		case IEEE80211_AUTH_8021X:	/* 802.1x */
2005			ic->ic_flags &= ~IEEE80211_F_WPA;
2006			/* both require a key so mark the PRIVACY capability */
2007			ic->ic_flags |= IEEE80211_F_PRIVACY;
2008			break;
2009		case IEEE80211_AUTH_AUTO:	/* auto */
2010			ic->ic_flags &= ~IEEE80211_F_WPA;
2011			/* XXX PRIVACY handling? */
2012			/* XXX what's the right way to do this? */
2013			break;
2014		}
2015		/* NB: authenticator attach/detach happens on state change */
2016		ic->ic_bss->ni_authmode = ireq->i_val;
2017		/* XXX mixed/mode/usage? */
2018		ic->ic_auth = auth;
2019		error = ENETRESET;
2020		break;
2021	case IEEE80211_IOC_CHANNEL:
2022		/* XXX 0xffff overflows 16-bit signed */
2023		if (ireq->i_val == 0 ||
2024		    ireq->i_val == (int16_t) IEEE80211_CHAN_ANY)
2025			ic->ic_des_chan = IEEE80211_CHAN_ANYC;
2026		else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX ||
2027		    isclr(ic->ic_chan_active, ireq->i_val)) {
2028			return EINVAL;
2029		} else
2030			ic->ic_ibss_chan = ic->ic_des_chan =
2031				&ic->ic_channels[ireq->i_val];
2032		switch (ic->ic_state) {
2033		case IEEE80211_S_INIT:
2034		case IEEE80211_S_SCAN:
2035			error = ENETRESET;
2036			break;
2037		default:
2038			/*
2039			 * If the desired channel has changed (to something
2040			 * other than any) and we're not already scanning,
2041			 * then kick the state machine.
2042			 */
2043			if (ic->ic_des_chan != IEEE80211_CHAN_ANYC &&
2044			    ic->ic_bss->ni_chan != ic->ic_des_chan &&
2045			    (ic->ic_flags & IEEE80211_F_SCAN) == 0)
2046				error = ENETRESET;
2047			break;
2048		}
2049		if (error == ENETRESET && ic->ic_opmode == IEEE80211_M_MONITOR)
2050			error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2051		break;
2052	case IEEE80211_IOC_POWERSAVE:
2053		switch (ireq->i_val) {
2054		case IEEE80211_POWERSAVE_OFF:
2055			if (ic->ic_flags & IEEE80211_F_PMGTON) {
2056				ic->ic_flags &= ~IEEE80211_F_PMGTON;
2057				error = ENETRESET;
2058			}
2059			break;
2060		case IEEE80211_POWERSAVE_ON:
2061			if ((ic->ic_caps & IEEE80211_C_PMGT) == 0)
2062				error = EINVAL;
2063			else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) {
2064				ic->ic_flags |= IEEE80211_F_PMGTON;
2065				error = ENETRESET;
2066			}
2067			break;
2068		default:
2069			error = EINVAL;
2070			break;
2071		}
2072		break;
2073	case IEEE80211_IOC_POWERSAVESLEEP:
2074		if (ireq->i_val < 0)
2075			return EINVAL;
2076		ic->ic_lintval = ireq->i_val;
2077		error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2078		break;
2079	case IEEE80211_IOC_RTSTHRESHOLD:
2080		if (!(IEEE80211_RTS_MIN < ireq->i_val &&
2081		      ireq->i_val < IEEE80211_RTS_MAX))
2082			return EINVAL;
2083		ic->ic_rtsthreshold = ireq->i_val;
2084		error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2085		break;
2086	case IEEE80211_IOC_PROTMODE:
2087		if (ireq->i_val > IEEE80211_PROT_RTSCTS)
2088			return EINVAL;
2089		ic->ic_protmode = ireq->i_val;
2090		/* NB: if not operating in 11g this can wait */
2091		if (ic->ic_curmode == IEEE80211_MODE_11G)
2092			error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2093		break;
2094	case IEEE80211_IOC_TXPOWER:
2095		if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0)
2096			return EINVAL;
2097		if (!(IEEE80211_TXPOWER_MIN < ireq->i_val &&
2098		      ireq->i_val < IEEE80211_TXPOWER_MAX))
2099			return EINVAL;
2100		ic->ic_txpowlimit = ireq->i_val;
2101		error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0;
2102		break;
2103	case IEEE80211_IOC_ROAMING:
2104		if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val &&
2105		    ireq->i_val <= IEEE80211_ROAMING_MANUAL))
2106			return EINVAL;
2107		ic->ic_roaming = ireq->i_val;
2108		/* XXXX reset? */
2109		break;
2110	case IEEE80211_IOC_PRIVACY:
2111		if (ireq->i_val) {
2112			/* XXX check for key state? */
2113			ic->ic_flags |= IEEE80211_F_PRIVACY;
2114		} else
2115			ic->ic_flags &= ~IEEE80211_F_PRIVACY;
2116		break;
2117	case IEEE80211_IOC_DROPUNENCRYPTED:
2118		if (ireq->i_val)
2119			ic->ic_flags |= IEEE80211_F_DROPUNENC;
2120		else
2121			ic->ic_flags &= ~IEEE80211_F_DROPUNENC;
2122		break;
2123	case IEEE80211_IOC_WPAKEY:
2124		error = ieee80211_ioctl_setkey(ic, ireq);
2125		break;
2126	case IEEE80211_IOC_DELKEY:
2127		error = ieee80211_ioctl_delkey(ic, ireq);
2128		break;
2129	case IEEE80211_IOC_MLME:
2130		error = ieee80211_ioctl_setmlme(ic, ireq);
2131		break;
2132	case IEEE80211_IOC_OPTIE:
2133		error = ieee80211_ioctl_setoptie(ic, ireq);
2134		break;
2135	case IEEE80211_IOC_COUNTERMEASURES:
2136		if (ireq->i_val) {
2137			if ((ic->ic_flags & IEEE80211_F_WPA) == 0)
2138				return EINVAL;
2139			ic->ic_flags |= IEEE80211_F_COUNTERM;
2140		} else
2141			ic->ic_flags &= ~IEEE80211_F_COUNTERM;
2142		break;
2143	case IEEE80211_IOC_WPA:
2144		if (ireq->i_val > 3)
2145			return EINVAL;
2146		/* XXX verify ciphers available */
2147		ic->ic_flags &= ~IEEE80211_F_WPA;
2148		switch (ireq->i_val) {
2149		case 1:
2150			ic->ic_flags |= IEEE80211_F_WPA1;
2151			break;
2152		case 2:
2153			ic->ic_flags |= IEEE80211_F_WPA2;
2154			break;
2155		case 3:
2156			ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2;
2157			break;
2158		}
2159		error = ENETRESET;		/* XXX? */
2160		break;
2161	case IEEE80211_IOC_WME:
2162		if (ireq->i_val) {
2163			if ((ic->ic_caps & IEEE80211_C_WME) == 0)
2164				return EINVAL;
2165			ic->ic_flags |= IEEE80211_F_WME;
2166		} else
2167			ic->ic_flags &= ~IEEE80211_F_WME;
2168		error = ENETRESET;		/* XXX maybe not for station? */
2169		break;
2170	case IEEE80211_IOC_HIDESSID:
2171		if (ireq->i_val)
2172			ic->ic_flags |= IEEE80211_F_HIDESSID;
2173		else
2174			ic->ic_flags &= ~IEEE80211_F_HIDESSID;
2175		error = ENETRESET;
2176		break;
2177	case IEEE80211_IOC_APBRIDGE:
2178		if (ireq->i_val == 0)
2179			ic->ic_flags |= IEEE80211_F_NOBRIDGE;
2180		else
2181			ic->ic_flags &= ~IEEE80211_F_NOBRIDGE;
2182		break;
2183	case IEEE80211_IOC_MCASTCIPHER:
2184		if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 &&
2185		    !ieee80211_crypto_available(ireq->i_val))
2186			return EINVAL;
2187		rsn->rsn_mcastcipher = ireq->i_val;
2188		error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2189		break;
2190	case IEEE80211_IOC_MCASTKEYLEN:
2191		if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE))
2192			return EINVAL;
2193		/* XXX no way to verify driver capability */
2194		rsn->rsn_mcastkeylen = ireq->i_val;
2195		error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2196		break;
2197	case IEEE80211_IOC_UCASTCIPHERS:
2198		/*
2199		 * Convert user-specified cipher set to the set
2200		 * we can support (via hardware or software).
2201		 * NB: this logic intentionally ignores unknown and
2202		 * unsupported ciphers so folks can specify 0xff or
2203		 * similar and get all available ciphers.
2204		 */
2205		caps = 0;
2206		for (j = 1; j < 32; j++)	/* NB: skip WEP */
2207			if ((ireq->i_val & (1<<j)) &&
2208			    ((ic->ic_caps & cipher2cap(j)) ||
2209			     ieee80211_crypto_available(j)))
2210				caps |= 1<<j;
2211		if (caps == 0)			/* nothing available */
2212			return EINVAL;
2213		/* XXX verify ciphers ok for unicast use? */
2214		/* XXX disallow if running as it'll have no effect */
2215		rsn->rsn_ucastcipherset = caps;
2216		error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2217		break;
2218	case IEEE80211_IOC_UCASTCIPHER:
2219		if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0)
2220			return EINVAL;
2221		rsn->rsn_ucastcipher = ireq->i_val;
2222		break;
2223	case IEEE80211_IOC_UCASTKEYLEN:
2224		if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE))
2225			return EINVAL;
2226		/* XXX no way to verify driver capability */
2227		rsn->rsn_ucastkeylen = ireq->i_val;
2228		break;
2229	case IEEE80211_IOC_DRIVER_CAPS:
2230		/* NB: for testing */
2231		ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) |
2232			       ((u_int16_t) ireq->i_len);
2233		break;
2234	case IEEE80211_IOC_KEYMGTALGS:
2235		/* XXX check */
2236		rsn->rsn_keymgmtset = ireq->i_val;
2237		error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2238		break;
2239	case IEEE80211_IOC_RSNCAPS:
2240		/* XXX check */
2241		rsn->rsn_caps = ireq->i_val;
2242		error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0;
2243		break;
2244	case IEEE80211_IOC_BSSID:
2245		/* NB: should only be set when in STA mode */
2246		if (ic->ic_opmode != IEEE80211_M_STA)
2247			return EINVAL;
2248		if (ireq->i_len != sizeof(tmpbssid))
2249			return EINVAL;
2250		error = copyin(ireq->i_data, tmpbssid, ireq->i_len);
2251		if (error)
2252			break;
2253		IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid);
2254		if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid))
2255			ic->ic_flags &= ~IEEE80211_F_DESBSSID;
2256		else
2257			ic->ic_flags |= IEEE80211_F_DESBSSID;
2258		error = ENETRESET;
2259		break;
2260	case IEEE80211_IOC_CHANLIST:
2261		error = ieee80211_ioctl_setchanlist(ic, ireq);
2262		break;
2263	case IEEE80211_IOC_SCAN_REQ:
2264		if (ic->ic_opmode == IEEE80211_M_HOSTAP)	/* XXX ignore */
2265			break;
2266		error = ieee80211_setupscan(ic, ic->ic_chan_avail);
2267		if (error == 0)		/* XXX background scan */
2268			error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1);
2269		break;
2270	case IEEE80211_IOC_ADDMAC:
2271	case IEEE80211_IOC_DELMAC:
2272		error = ieee80211_ioctl_macmac(ic, ireq);
2273		break;
2274	case IEEE80211_IOC_MACCMD:
2275		error = ieee80211_ioctl_maccmd(ic, ireq);
2276		break;
2277	case IEEE80211_IOC_STA_TXPOW:
2278		error = ieee80211_ioctl_setstatxpow(ic, ireq);
2279		break;
2280	case IEEE80211_IOC_WME_CWMIN:		/* WME: CWmin */
2281	case IEEE80211_IOC_WME_CWMAX:		/* WME: CWmax */
2282	case IEEE80211_IOC_WME_AIFS:		/* WME: AIFS */
2283	case IEEE80211_IOC_WME_TXOPLIMIT:	/* WME: txops limit */
2284	case IEEE80211_IOC_WME_ACM:		/* WME: ACM (bss only) */
2285	case IEEE80211_IOC_WME_ACKPOLICY:	/* WME: ACK policy (bss only) */
2286		error = ieee80211_ioctl_setwmeparam(ic, ireq);
2287		break;
2288	case IEEE80211_IOC_DTIM_PERIOD:
2289		if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
2290		    ic->ic_opmode != IEEE80211_M_IBSS)
2291			return EINVAL;
2292		if (IEEE80211_DTIM_MIN <= ireq->i_val &&
2293		    ireq->i_val <= IEEE80211_DTIM_MAX) {
2294			ic->ic_dtim_period = ireq->i_val;
2295			error = ENETRESET;		/* requires restart */
2296		} else
2297			error = EINVAL;
2298		break;
2299	case IEEE80211_IOC_BEACON_INTERVAL:
2300		if (ic->ic_opmode != IEEE80211_M_HOSTAP &&
2301		    ic->ic_opmode != IEEE80211_M_IBSS)
2302			return EINVAL;
2303		if (IEEE80211_BINTVAL_MIN <= ireq->i_val &&
2304		    ireq->i_val <= IEEE80211_BINTVAL_MAX) {
2305			ic->ic_lintval = ireq->i_val;
2306			error = ENETRESET;		/* requires restart */
2307		} else
2308			error = EINVAL;
2309		break;
2310	default:
2311		error = EINVAL;
2312		break;
2313	}
2314	if (error == ENETRESET && !IS_UP_AUTO(ic))
2315		error = 0;
2316	return error;
2317}
2318
2319int
2320ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data)
2321{
2322	struct ifnet *ifp = ic->ic_ifp;
2323	int error = 0;
2324	struct ifreq *ifr;
2325	struct ifaddr *ifa;			/* XXX */
2326
2327	switch (cmd) {
2328	case SIOCSIFMEDIA:
2329	case SIOCGIFMEDIA:
2330		error = ifmedia_ioctl(ifp, (struct ifreq *) data,
2331				&ic->ic_media, cmd);
2332		break;
2333	case SIOCG80211:
2334		error = ieee80211_ioctl_get80211(ic, cmd,
2335				(struct ieee80211req *) data);
2336		break;
2337	case SIOCS80211:
2338		error = suser(curthread);
2339		if (error == 0)
2340			error = ieee80211_ioctl_set80211(ic, cmd,
2341					(struct ieee80211req *) data);
2342		break;
2343	case SIOCGIFGENERIC:
2344		error = ieee80211_cfgget(ic, cmd, data);
2345		break;
2346	case SIOCSIFGENERIC:
2347		error = suser(curthread);
2348		if (error)
2349			break;
2350		error = ieee80211_cfgset(ic, cmd, data);
2351		break;
2352	case SIOCG80211STATS:
2353		ifr = (struct ifreq *)data;
2354		copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats));
2355		break;
2356	case SIOCSIFMTU:
2357		ifr = (struct ifreq *)data;
2358		if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu &&
2359		    ifr->ifr_mtu <= IEEE80211_MTU_MAX))
2360			error = EINVAL;
2361		else
2362			ifp->if_mtu = ifr->ifr_mtu;
2363		break;
2364	case SIOCSIFADDR:
2365		/*
2366		 * XXX Handle this directly so we can supress if_init calls.
2367		 * XXX This should be done in ether_ioctl but for the moment
2368		 * XXX there are too many other parts of the system that
2369		 * XXX set IFF_UP and so supress if_init being called when
2370		 * XXX it should be.
2371		 */
2372		ifa = (struct ifaddr *) data;
2373		switch (ifa->ifa_addr->sa_family) {
2374#ifdef INET
2375		case AF_INET:
2376			if ((ifp->if_flags & IFF_UP) == 0) {
2377				ifp->if_flags |= IFF_UP;
2378				ifp->if_init(ifp->if_softc);
2379			}
2380			arp_ifinit(ifp, ifa);
2381			break;
2382#endif
2383#ifdef IPX
2384		/*
2385		 * XXX - This code is probably wrong,
2386		 *	 but has been copied many times.
2387		 */
2388		case AF_IPX: {
2389			struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr);
2390			struct arpcom *ac = (struct arpcom *)ifp;
2391
2392			if (ipx_nullhost(*ina))
2393				ina->x_host = *(union ipx_host *) ac->ac_enaddr;
2394			else
2395				bcopy((caddr_t) ina->x_host.c_host,
2396				      (caddr_t) ac->ac_enaddr,
2397				      sizeof(ac->ac_enaddr));
2398			/* fall thru... */
2399		}
2400#endif
2401		default:
2402			if ((ifp->if_flags & IFF_UP) == 0) {
2403				ifp->if_flags |= IFF_UP;
2404				ifp->if_init(ifp->if_softc);
2405			}
2406			break;
2407		}
2408		break;
2409	default:
2410		error = ether_ioctl(ifp, cmd, data);
2411		break;
2412	}
2413	return error;
2414}
2415