1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 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 * 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. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_ipx.h" 36 #include "opt_wlan.h" 37 38 #include <sys/endian.h> 39 #include <sys/param.h> 40 #include <sys/kernel.h> 41 #include <sys/priv.h> 42 #include <sys/socket.h> 43 #include <sys/sockio.h> 44 #include <sys/systm.h> 45 46 #include <net/if.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 #include <net/ethernet.h> 50 51 #ifdef INET 52 #include <netinet/in.h> 53 #include <netinet/if_ether.h> 54 #endif 55 56 #ifdef IPX 57 #include <netipx/ipx.h> 58 #include <netipx/ipx_if.h> 59 #endif 60 61 #include <net80211/ieee80211_var.h> 62 #include <net80211/ieee80211_ioctl.h> 63 #include <net80211/ieee80211_regdomain.h> 64 #include <net80211/ieee80211_input.h> 65 66 #define IS_UP_AUTO(_vap) \ 67 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 68 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 69 70 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 71 static struct ieee80211_channel *findchannel(struct ieee80211com *, 72 int ieee, int mode); 73 static int ieee80211_scanreq(struct ieee80211vap *, 74 struct ieee80211_scan_req *); 75 76 static __noinline int 77 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 78 { 79 struct ieee80211com *ic = vap->iv_ic; 80 struct ieee80211_node *ni; 81 struct ieee80211req_key ik; 82 struct ieee80211_key *wk; 83 const struct ieee80211_cipher *cip; 84 u_int kid; 85 int error; 86 87 if (ireq->i_len != sizeof(ik)) 88 return EINVAL; 89 error = copyin(ireq->i_data, &ik, sizeof(ik)); 90 if (error) 91 return error; 92 kid = ik.ik_keyix; 93 if (kid == IEEE80211_KEYIX_NONE) { 94 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 95 if (ni == NULL) 96 return ENOENT; 97 wk = &ni->ni_ucastkey; 98 } else { 99 if (kid >= IEEE80211_WEP_NKID) 100 return EINVAL; 101 wk = &vap->iv_nw_keys[kid]; 102 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 103 ni = NULL; 104 } 105 cip = wk->wk_cipher; 106 ik.ik_type = cip->ic_cipher; 107 ik.ik_keylen = wk->wk_keylen; 108 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 109 if (wk->wk_keyix == vap->iv_def_txkey) 110 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 111 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 112 /* NB: only root can read key data */ 113 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 114 ik.ik_keytsc = wk->wk_keytsc; 115 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 116 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 117 memcpy(ik.ik_keydata+wk->wk_keylen, 118 wk->wk_key + IEEE80211_KEYBUF_SIZE, 119 IEEE80211_MICBUF_SIZE); 120 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 121 } 122 } else { 123 ik.ik_keyrsc = 0; 124 ik.ik_keytsc = 0; 125 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 126 } 127 if (ni != NULL) 128 ieee80211_free_node(ni); 129 return copyout(&ik, ireq->i_data, sizeof(ik)); 130 } 131 132 static __noinline int 133 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 134 { 135 struct ieee80211com *ic = vap->iv_ic; 136 137 if (sizeof(ic->ic_chan_active) < ireq->i_len) 138 ireq->i_len = sizeof(ic->ic_chan_active); 139 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 140 } 141 142 static __noinline int 143 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 144 { 145 struct ieee80211com *ic = vap->iv_ic; 146 int space; 147 148 space = __offsetof(struct ieee80211req_chaninfo, 149 ic_chans[ic->ic_nchans]); 150 if (space > ireq->i_len) 151 space = ireq->i_len; 152 /* XXX assumes compatible layout */ 153 return copyout(&ic->ic_nchans, ireq->i_data, space); 154 } 155 156 static __noinline int 157 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 158 struct ieee80211req *ireq, int req) 159 { 160 struct ieee80211_node *ni; 161 struct ieee80211req_wpaie2 wpaie; 162 int error; 163 164 if (ireq->i_len < IEEE80211_ADDR_LEN) 165 return EINVAL; 166 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 167 if (error != 0) 168 return error; 169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 170 if (ni == NULL) 171 return ENOENT; 172 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 173 if (ni->ni_ies.wpa_ie != NULL) { 174 int ielen = ni->ni_ies.wpa_ie[1] + 2; 175 if (ielen > sizeof(wpaie.wpa_ie)) 176 ielen = sizeof(wpaie.wpa_ie); 177 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 178 } 179 if (req == IEEE80211_IOC_WPAIE2) { 180 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 181 if (ni->ni_ies.rsn_ie != NULL) { 182 int ielen = ni->ni_ies.rsn_ie[1] + 2; 183 if (ielen > sizeof(wpaie.rsn_ie)) 184 ielen = sizeof(wpaie.rsn_ie); 185 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 186 } 187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 188 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 189 } else { 190 /* compatibility op, may overwrite wpa ie */ 191 /* XXX check ic_flags? */ 192 if (ni->ni_ies.rsn_ie != NULL) { 193 int ielen = ni->ni_ies.rsn_ie[1] + 2; 194 if (ielen > sizeof(wpaie.wpa_ie)) 195 ielen = sizeof(wpaie.wpa_ie); 196 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 197 } 198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 199 ireq->i_len = sizeof(struct ieee80211req_wpaie); 200 } 201 ieee80211_free_node(ni); 202 return copyout(&wpaie, ireq->i_data, ireq->i_len); 203 } 204 205 static __noinline int 206 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 207 { 208 struct ieee80211_node *ni; 209 uint8_t macaddr[IEEE80211_ADDR_LEN]; 210 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 211 int error; 212 213 if (ireq->i_len < off) 214 return EINVAL; 215 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 216 if (error != 0) 217 return error; 218 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 219 if (ni == NULL) 220 return ENOENT; 221 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 222 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 223 /* NB: copy out only the statistics */ 224 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 225 ireq->i_len - off); 226 ieee80211_free_node(ni); 227 return error; 228 } 229 230 struct scanreq { 231 struct ieee80211req_scan_result *sr; 232 size_t space; 233 }; 234 235 static size_t 236 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 237 { 238 size_t len; 239 240 *ielen = se->se_ies.len; 241 /* 242 * NB: ie's can be no more than 255 bytes and the max 802.11 243 * packet is <3Kbytes so we are sure this doesn't overflow 244 * 16-bits; if this is a concern we can drop the ie's. 245 */ 246 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 247 se->se_meshid[1] + *ielen; 248 return roundup(len, sizeof(uint32_t)); 249 } 250 251 static void 252 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 253 { 254 struct scanreq *req = arg; 255 int ielen; 256 257 req->space += scan_space(se, &ielen); 258 } 259 260 static __noinline void 261 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 262 { 263 struct scanreq *req = arg; 264 struct ieee80211req_scan_result *sr; 265 int ielen, len, nr, nxr; 266 uint8_t *cp; 267 268 len = scan_space(se, &ielen); 269 if (len > req->space) 270 return; 271 272 sr = req->sr; 273 KASSERT(len <= 65535 && ielen <= 65535, 274 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 275 sr->isr_len = len; 276 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 277 sr->isr_ie_len = ielen; 278 sr->isr_freq = se->se_chan->ic_freq; 279 sr->isr_flags = se->se_chan->ic_flags; 280 sr->isr_rssi = se->se_rssi; 281 sr->isr_noise = se->se_noise; 282 sr->isr_intval = se->se_intval; 283 sr->isr_capinfo = se->se_capinfo; 284 sr->isr_erp = se->se_erp; 285 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 286 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 287 memcpy(sr->isr_rates, se->se_rates+2, nr); 288 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 289 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 290 sr->isr_nrates = nr + nxr; 291 292 /* copy SSID */ 293 sr->isr_ssid_len = se->se_ssid[1]; 294 cp = ((uint8_t *)sr) + sr->isr_ie_off; 295 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 296 297 /* copy mesh id */ 298 cp += sr->isr_ssid_len; 299 sr->isr_meshid_len = se->se_meshid[1]; 300 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 301 cp += sr->isr_meshid_len; 302 303 if (ielen) 304 memcpy(cp, se->se_ies.data, ielen); 305 306 req->space -= len; 307 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 308 } 309 310 static __noinline int 311 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 312 struct ieee80211req *ireq) 313 { 314 struct scanreq req; 315 int error; 316 317 if (ireq->i_len < sizeof(struct scanreq)) 318 return EFAULT; 319 320 error = 0; 321 req.space = 0; 322 ieee80211_scan_iterate(vap, get_scan_space, &req); 323 if (req.space > ireq->i_len) 324 req.space = ireq->i_len; 325 if (req.space > 0) { 326 size_t space; 327 void *p; 328 329 space = req.space; 330 /* XXX M_WAITOK after driver lock released */ 331 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 332 if (p == NULL) 333 return ENOMEM; 334 req.sr = p; 335 ieee80211_scan_iterate(vap, get_scan_result, &req); 336 ireq->i_len = space - req.space; 337 error = copyout(p, ireq->i_data, ireq->i_len); 338 free(p, M_TEMP); 339 } else 340 ireq->i_len = 0; 341 342 return error; 343 } 344 345 struct stainforeq { 346 struct ieee80211vap *vap; 347 struct ieee80211req_sta_info *si; 348 size_t space; 349 }; 350 351 static size_t 352 sta_space(const struct ieee80211_node *ni, size_t *ielen) 353 { 354 *ielen = ni->ni_ies.len; 355 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 356 sizeof(uint32_t)); 357 } 358 359 static void 360 get_sta_space(void *arg, struct ieee80211_node *ni) 361 { 362 struct stainforeq *req = arg; 363 size_t ielen; 364 365 if (req->vap != ni->ni_vap) 366 return; 367 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 368 ni->ni_associd == 0) /* only associated stations */ 369 return; 370 req->space += sta_space(ni, &ielen); 371 } 372 373 static __noinline void 374 get_sta_info(void *arg, struct ieee80211_node *ni) 375 { 376 struct stainforeq *req = arg; 377 struct ieee80211vap *vap = ni->ni_vap; 378 struct ieee80211req_sta_info *si; 379 size_t ielen, len; 380 uint8_t *cp; 381 382 if (req->vap != ni->ni_vap) 383 return; 384 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 385 ni->ni_associd == 0) /* only associated stations */ 386 return; 387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 388 return; 389 len = sta_space(ni, &ielen); 390 if (len > req->space) 391 return; 392 si = req->si; 393 si->isi_len = len; 394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 395 si->isi_ie_len = ielen; 396 si->isi_freq = ni->ni_chan->ic_freq; 397 si->isi_flags = ni->ni_chan->ic_flags; 398 si->isi_state = ni->ni_flags; 399 si->isi_authmode = ni->ni_authmode; 400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 402 si->isi_capinfo = ni->ni_capinfo; 403 si->isi_erp = ni->ni_erp; 404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 405 si->isi_nrates = ni->ni_rates.rs_nrates; 406 if (si->isi_nrates > 15) 407 si->isi_nrates = 15; 408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 409 si->isi_txrate = ni->ni_txrate; 410 if (si->isi_txrate & IEEE80211_RATE_MCS) { 411 const struct ieee80211_mcs_rates *mcs = 412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 414 if (ni->ni_flags & IEEE80211_NODE_SGI40) 415 si->isi_txmbps = mcs->ht40_rate_800ns; 416 else 417 si->isi_txmbps = mcs->ht40_rate_400ns; 418 } else { 419 if (ni->ni_flags & IEEE80211_NODE_SGI20) 420 si->isi_txmbps = mcs->ht20_rate_800ns; 421 else 422 si->isi_txmbps = mcs->ht20_rate_400ns; 423 } 424 } else 425 si->isi_txmbps = si->isi_txrate; 426 si->isi_associd = ni->ni_associd; 427 si->isi_txpower = ni->ni_txpower; 428 si->isi_vlan = ni->ni_vlan; 429 if (ni->ni_flags & IEEE80211_NODE_QOS) { 430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 432 } else { 433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 435 } 436 /* NB: leave all cases in case we relax ni_associd == 0 check */ 437 if (ieee80211_node_is_authorized(ni)) 438 si->isi_inact = vap->iv_inact_run; 439 else if (ni->ni_associd != 0 || 440 (vap->iv_opmode == IEEE80211_M_WDS && 441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 442 si->isi_inact = vap->iv_inact_auth; 443 else 444 si->isi_inact = vap->iv_inact_init; 445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 446 si->isi_localid = ni->ni_mllid; 447 si->isi_peerid = ni->ni_mlpid; 448 si->isi_peerstate = ni->ni_mlstate; 449 450 if (ielen) { 451 cp = ((uint8_t *)si) + si->isi_ie_off; 452 memcpy(cp, ni->ni_ies.data, ielen); 453 } 454 455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 456 req->space -= len; 457 } 458 459 static __noinline int 460 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 461 struct ieee80211_node *ni, int off) 462 { 463 struct ieee80211com *ic = vap->iv_ic; 464 struct stainforeq req; 465 size_t space; 466 void *p; 467 int error; 468 469 error = 0; 470 req.space = 0; 471 req.vap = vap; 472 if (ni == NULL) 473 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 474 else 475 get_sta_space(&req, ni); 476 if (req.space > ireq->i_len) 477 req.space = ireq->i_len; 478 if (req.space > 0) { 479 space = req.space; 480 /* XXX M_WAITOK after driver lock released */ 481 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 482 if (p == NULL) { 483 error = ENOMEM; 484 goto bad; 485 } 486 req.si = p; 487 if (ni == NULL) 488 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 489 else 490 get_sta_info(&req, ni); 491 ireq->i_len = space - req.space; 492 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 493 free(p, M_TEMP); 494 } else 495 ireq->i_len = 0; 496 bad: 497 if (ni != NULL) 498 ieee80211_free_node(ni); 499 return error; 500 } 501 502 static __noinline int 503 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 504 { 505 uint8_t macaddr[IEEE80211_ADDR_LEN]; 506 const int off = __offsetof(struct ieee80211req_sta_req, info); 507 struct ieee80211_node *ni; 508 int error; 509 510 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 511 return EFAULT; 512 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 513 if (error != 0) 514 return error; 515 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 516 ni = NULL; 517 } else { 518 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 519 if (ni == NULL) 520 return ENOENT; 521 } 522 return getstainfo_common(vap, ireq, ni, off); 523 } 524 525 static __noinline int 526 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 527 { 528 struct ieee80211_node *ni; 529 struct ieee80211req_sta_txpow txpow; 530 int error; 531 532 if (ireq->i_len != sizeof(txpow)) 533 return EINVAL; 534 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 535 if (error != 0) 536 return error; 537 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 538 if (ni == NULL) 539 return ENOENT; 540 txpow.it_txpow = ni->ni_txpower; 541 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 542 ieee80211_free_node(ni); 543 return error; 544 } 545 546 static __noinline int 547 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 548 { 549 struct ieee80211com *ic = vap->iv_ic; 550 struct ieee80211_wme_state *wme = &ic->ic_wme; 551 struct wmeParams *wmep; 552 int ac; 553 554 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 555 return EINVAL; 556 557 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 558 if (ac >= WME_NUM_AC) 559 ac = WME_AC_BE; 560 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 561 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 562 else 563 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 564 switch (ireq->i_type) { 565 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 566 ireq->i_val = wmep->wmep_logcwmin; 567 break; 568 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 569 ireq->i_val = wmep->wmep_logcwmax; 570 break; 571 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 572 ireq->i_val = wmep->wmep_aifsn; 573 break; 574 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 575 ireq->i_val = wmep->wmep_txopLimit; 576 break; 577 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 579 ireq->i_val = wmep->wmep_acm; 580 break; 581 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 582 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 583 ireq->i_val = !wmep->wmep_noackPolicy; 584 break; 585 } 586 return 0; 587 } 588 589 static __noinline int 590 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 591 { 592 const struct ieee80211_aclator *acl = vap->iv_acl; 593 594 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 595 } 596 597 static __noinline int 598 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 599 { 600 struct ieee80211com *ic = vap->iv_ic; 601 struct ieee80211_channel *c; 602 603 if (ireq->i_len != sizeof(struct ieee80211_channel)) 604 return EINVAL; 605 /* 606 * vap's may have different operating channels when HT is 607 * in use. When in RUN state report the vap-specific channel. 608 * Otherwise return curchan. 609 */ 610 if (vap->iv_state == IEEE80211_S_RUN) 611 c = vap->iv_bss->ni_chan; 612 else 613 c = ic->ic_curchan; 614 return copyout(c, ireq->i_data, sizeof(*c)); 615 } 616 617 static int 618 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 619 { 620 if (aie == NULL) 621 return EINVAL; 622 /* NB: truncate, caller can check length */ 623 if (ireq->i_len > aie->ie_len) 624 ireq->i_len = aie->ie_len; 625 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 626 } 627 628 static int 629 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 630 { 631 uint8_t fc0; 632 633 fc0 = ireq->i_val & 0xff; 634 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 635 return EINVAL; 636 /* NB: could check iv_opmode and reject but hardly worth the effort */ 637 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 638 case IEEE80211_FC0_SUBTYPE_BEACON: 639 return getappie(vap->iv_appie_beacon, ireq); 640 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 641 return getappie(vap->iv_appie_proberesp, ireq); 642 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 643 return getappie(vap->iv_appie_assocresp, ireq); 644 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 645 return getappie(vap->iv_appie_probereq, ireq); 646 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 647 return getappie(vap->iv_appie_assocreq, ireq); 648 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 649 return getappie(vap->iv_appie_wpa, ireq); 650 } 651 return EINVAL; 652 } 653 654 static __noinline int 655 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 656 const struct ieee80211req *ireq) 657 { 658 struct ieee80211com *ic = vap->iv_ic; 659 660 if (ireq->i_len != sizeof(ic->ic_regdomain)) 661 return EINVAL; 662 return copyout(&ic->ic_regdomain, ireq->i_data, 663 sizeof(ic->ic_regdomain)); 664 } 665 666 static __noinline int 667 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 668 const struct ieee80211req *ireq) 669 { 670 size_t len = ireq->i_len; 671 /* NB: accept short requests for backwards compat */ 672 if (len > sizeof(vap->iv_roamparms)) 673 len = sizeof(vap->iv_roamparms); 674 return copyout(vap->iv_roamparms, ireq->i_data, len); 675 } 676 677 static __noinline int 678 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 679 const struct ieee80211req *ireq) 680 { 681 size_t len = ireq->i_len; 682 /* NB: accept short requests for backwards compat */ 683 if (len > sizeof(vap->iv_txparms)) 684 len = sizeof(vap->iv_txparms); 685 return copyout(vap->iv_txparms, ireq->i_data, len); 686 } 687 688 static __noinline int 689 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 690 const struct ieee80211req *ireq) 691 { 692 struct ieee80211_devcaps_req *dc; 693 struct ieee80211req_chaninfo *ci; 694 int maxchans, error; 695 696 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 697 sizeof(struct ieee80211_channel)); 698 /* NB: require 1 so we know ic_nchans is accessible */ 699 if (maxchans < 1) 700 return EINVAL; 701 /* constrain max request size, 2K channels is ~24Kbytes */ 702 if (maxchans > 2048) 703 maxchans = 2048; 704 dc = (struct ieee80211_devcaps_req *) 705 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO); 706 if (dc == NULL) 707 return ENOMEM; 708 dc->dc_drivercaps = ic->ic_caps; 709 dc->dc_cryptocaps = ic->ic_cryptocaps; 710 dc->dc_htcaps = ic->ic_htcaps; 711 ci = &dc->dc_chaninfo; 712 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 713 KASSERT(ci->ic_nchans <= maxchans, 714 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 715 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 716 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 717 free(dc, M_TEMP); 718 return error; 719 } 720 721 static __noinline int 722 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 723 { 724 struct ieee80211_node *ni; 725 struct ieee80211req_sta_vlan vlan; 726 int error; 727 728 if (ireq->i_len != sizeof(vlan)) 729 return EINVAL; 730 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 731 if (error != 0) 732 return error; 733 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 734 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 735 vlan.sv_macaddr); 736 if (ni == NULL) 737 return ENOENT; 738 } else 739 ni = ieee80211_ref_node(vap->iv_bss); 740 vlan.sv_vlan = ni->ni_vlan; 741 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 742 ieee80211_free_node(ni); 743 return error; 744 } 745 746 /* 747 * Dummy ioctl get handler so the linker set is defined. 748 */ 749 static int 750 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 751 { 752 return ENOSYS; 753 } 754 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 755 756 static int 757 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 758 { 759 ieee80211_ioctl_getfunc * const *get; 760 int error; 761 762 SET_FOREACH(get, ieee80211_ioctl_getset) { 763 error = (*get)(vap, ireq); 764 if (error != ENOSYS) 765 return error; 766 } 767 return EINVAL; 768 } 769 770 /* 771 * When building the kernel with -O2 on the i386 architecture, gcc 772 * seems to want to inline this function into ieee80211_ioctl() 773 * (which is the only routine that calls it). When this happens, 774 * ieee80211_ioctl() ends up consuming an additional 2K of stack 775 * space. (Exactly why it needs so much is unclear.) The problem 776 * is that it's possible for ieee80211_ioctl() to invoke other 777 * routines (including driver init functions) which could then find 778 * themselves perilously close to exhausting the stack. 779 * 780 * To avoid this, we deliberately prevent gcc from inlining this 781 * routine. Another way to avoid this is to use less agressive 782 * optimization when compiling this file (i.e. -O instead of -O2) 783 * but special-casing the compilation of this one module in the 784 * build system would be awkward. 785 */ 786 static __noinline int 787 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 788 struct ieee80211req *ireq) 789 { 790 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 791 struct ieee80211com *ic = vap->iv_ic; 792 u_int kid, len; 793 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 794 char tmpssid[IEEE80211_NWID_LEN]; 795 int error = 0; 796 797 switch (ireq->i_type) { 798 case IEEE80211_IOC_SSID: 799 switch (vap->iv_state) { 800 case IEEE80211_S_INIT: 801 case IEEE80211_S_SCAN: 802 ireq->i_len = vap->iv_des_ssid[0].len; 803 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 804 break; 805 default: 806 ireq->i_len = vap->iv_bss->ni_esslen; 807 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 808 break; 809 } 810 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 811 break; 812 case IEEE80211_IOC_NUMSSIDS: 813 ireq->i_val = 1; 814 break; 815 case IEEE80211_IOC_WEP: 816 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 817 ireq->i_val = IEEE80211_WEP_OFF; 818 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 819 ireq->i_val = IEEE80211_WEP_ON; 820 else 821 ireq->i_val = IEEE80211_WEP_MIXED; 822 break; 823 case IEEE80211_IOC_WEPKEY: 824 kid = (u_int) ireq->i_val; 825 if (kid >= IEEE80211_WEP_NKID) 826 return EINVAL; 827 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 828 /* NB: only root can read WEP keys */ 829 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 830 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 831 } else { 832 bzero(tmpkey, len); 833 } 834 ireq->i_len = len; 835 error = copyout(tmpkey, ireq->i_data, len); 836 break; 837 case IEEE80211_IOC_NUMWEPKEYS: 838 ireq->i_val = IEEE80211_WEP_NKID; 839 break; 840 case IEEE80211_IOC_WEPTXKEY: 841 ireq->i_val = vap->iv_def_txkey; 842 break; 843 case IEEE80211_IOC_AUTHMODE: 844 if (vap->iv_flags & IEEE80211_F_WPA) 845 ireq->i_val = IEEE80211_AUTH_WPA; 846 else 847 ireq->i_val = vap->iv_bss->ni_authmode; 848 break; 849 case IEEE80211_IOC_CHANNEL: 850 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 851 break; 852 case IEEE80211_IOC_POWERSAVE: 853 if (vap->iv_flags & IEEE80211_F_PMGTON) 854 ireq->i_val = IEEE80211_POWERSAVE_ON; 855 else 856 ireq->i_val = IEEE80211_POWERSAVE_OFF; 857 break; 858 case IEEE80211_IOC_POWERSAVESLEEP: 859 ireq->i_val = ic->ic_lintval; 860 break; 861 case IEEE80211_IOC_RTSTHRESHOLD: 862 ireq->i_val = vap->iv_rtsthreshold; 863 break; 864 case IEEE80211_IOC_PROTMODE: 865 ireq->i_val = ic->ic_protmode; 866 break; 867 case IEEE80211_IOC_TXPOWER: 868 /* 869 * Tx power limit is the min of max regulatory 870 * power, any user-set limit, and the max the 871 * radio can do. 872 */ 873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 874 if (ireq->i_val > ic->ic_txpowlimit) 875 ireq->i_val = ic->ic_txpowlimit; 876 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 877 ireq->i_val = ic->ic_curchan->ic_maxpower; 878 break; 879 case IEEE80211_IOC_WPA: 880 switch (vap->iv_flags & IEEE80211_F_WPA) { 881 case IEEE80211_F_WPA1: 882 ireq->i_val = 1; 883 break; 884 case IEEE80211_F_WPA2: 885 ireq->i_val = 2; 886 break; 887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 888 ireq->i_val = 3; 889 break; 890 default: 891 ireq->i_val = 0; 892 break; 893 } 894 break; 895 case IEEE80211_IOC_CHANLIST: 896 error = ieee80211_ioctl_getchanlist(vap, ireq); 897 break; 898 case IEEE80211_IOC_ROAMING: 899 ireq->i_val = vap->iv_roaming; 900 break; 901 case IEEE80211_IOC_PRIVACY: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 903 break; 904 case IEEE80211_IOC_DROPUNENCRYPTED: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 906 break; 907 case IEEE80211_IOC_COUNTERMEASURES: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 909 break; 910 case IEEE80211_IOC_WME: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 912 break; 913 case IEEE80211_IOC_HIDESSID: 914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 915 break; 916 case IEEE80211_IOC_APBRIDGE: 917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 918 break; 919 case IEEE80211_IOC_WPAKEY: 920 error = ieee80211_ioctl_getkey(vap, ireq); 921 break; 922 case IEEE80211_IOC_CHANINFO: 923 error = ieee80211_ioctl_getchaninfo(vap, ireq); 924 break; 925 case IEEE80211_IOC_BSSID: 926 if (ireq->i_len != IEEE80211_ADDR_LEN) 927 return EINVAL; 928 if (vap->iv_state == IEEE80211_S_RUN) { 929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 931 ireq->i_data, ireq->i_len); 932 } else 933 error = copyout(vap->iv_des_bssid, ireq->i_data, 934 ireq->i_len); 935 break; 936 case IEEE80211_IOC_WPAIE: 937 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 938 break; 939 case IEEE80211_IOC_WPAIE2: 940 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 941 break; 942 case IEEE80211_IOC_SCAN_RESULTS: 943 error = ieee80211_ioctl_getscanresults(vap, ireq); 944 break; 945 case IEEE80211_IOC_STA_STATS: 946 error = ieee80211_ioctl_getstastats(vap, ireq); 947 break; 948 case IEEE80211_IOC_TXPOWMAX: 949 ireq->i_val = vap->iv_bss->ni_txpower; 950 break; 951 case IEEE80211_IOC_STA_TXPOW: 952 error = ieee80211_ioctl_getstatxpow(vap, ireq); 953 break; 954 case IEEE80211_IOC_STA_INFO: 955 error = ieee80211_ioctl_getstainfo(vap, ireq); 956 break; 957 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 958 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 959 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 960 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 961 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 962 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 963 error = ieee80211_ioctl_getwmeparam(vap, ireq); 964 break; 965 case IEEE80211_IOC_DTIM_PERIOD: 966 ireq->i_val = vap->iv_dtim_period; 967 break; 968 case IEEE80211_IOC_BEACON_INTERVAL: 969 /* NB: get from ic_bss for station mode */ 970 ireq->i_val = vap->iv_bss->ni_intval; 971 break; 972 case IEEE80211_IOC_PUREG: 973 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 974 break; 975 case IEEE80211_IOC_BGSCAN: 976 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 977 break; 978 case IEEE80211_IOC_BGSCAN_IDLE: 979 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 980 break; 981 case IEEE80211_IOC_BGSCAN_INTERVAL: 982 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 983 break; 984 case IEEE80211_IOC_SCANVALID: 985 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 986 break; 987 case IEEE80211_IOC_FRAGTHRESHOLD: 988 ireq->i_val = vap->iv_fragthreshold; 989 break; 990 case IEEE80211_IOC_MACCMD: 991 error = ieee80211_ioctl_getmaccmd(vap, ireq); 992 break; 993 case IEEE80211_IOC_BURST: 994 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 995 break; 996 case IEEE80211_IOC_BMISSTHRESHOLD: 997 ireq->i_val = vap->iv_bmissthreshold; 998 break; 999 case IEEE80211_IOC_CURCHAN: 1000 error = ieee80211_ioctl_getcurchan(vap, ireq); 1001 break; 1002 case IEEE80211_IOC_SHORTGI: 1003 ireq->i_val = 0; 1004 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1005 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1006 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1007 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1008 break; 1009 case IEEE80211_IOC_AMPDU: 1010 ireq->i_val = 0; 1011 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1012 ireq->i_val |= 1; 1013 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1014 ireq->i_val |= 2; 1015 break; 1016 case IEEE80211_IOC_AMPDU_LIMIT: 1017 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1018 ireq->i_val = vap->iv_ampdu_rxmax; 1019 else if (vap->iv_state == IEEE80211_S_RUN) 1020 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1021 IEEE80211_HTCAP_MAXRXAMPDU); 1022 else 1023 ireq->i_val = vap->iv_ampdu_limit; 1024 break; 1025 case IEEE80211_IOC_AMPDU_DENSITY: 1026 if (vap->iv_opmode == IEEE80211_M_STA && 1027 vap->iv_state == IEEE80211_S_RUN) 1028 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1029 IEEE80211_HTCAP_MPDUDENSITY); 1030 else 1031 ireq->i_val = vap->iv_ampdu_density; 1032 break; 1033 case IEEE80211_IOC_AMSDU: 1034 ireq->i_val = 0; 1035 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1036 ireq->i_val |= 1; 1037 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1038 ireq->i_val |= 2; 1039 break; 1040 case IEEE80211_IOC_AMSDU_LIMIT: 1041 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1042 break; 1043 case IEEE80211_IOC_PUREN: 1044 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1045 break; 1046 case IEEE80211_IOC_DOTH: 1047 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1048 break; 1049 case IEEE80211_IOC_REGDOMAIN: 1050 error = ieee80211_ioctl_getregdomain(vap, ireq); 1051 break; 1052 case IEEE80211_IOC_ROAM: 1053 error = ieee80211_ioctl_getroam(vap, ireq); 1054 break; 1055 case IEEE80211_IOC_TXPARAMS: 1056 error = ieee80211_ioctl_gettxparams(vap, ireq); 1057 break; 1058 case IEEE80211_IOC_HTCOMPAT: 1059 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1060 break; 1061 case IEEE80211_IOC_DWDS: 1062 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1063 break; 1064 case IEEE80211_IOC_INACTIVITY: 1065 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1066 break; 1067 case IEEE80211_IOC_APPIE: 1068 error = ieee80211_ioctl_getappie(vap, ireq); 1069 break; 1070 case IEEE80211_IOC_WPS: 1071 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1072 break; 1073 case IEEE80211_IOC_TSN: 1074 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1075 break; 1076 case IEEE80211_IOC_DFS: 1077 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1078 break; 1079 case IEEE80211_IOC_DOTD: 1080 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1081 break; 1082 case IEEE80211_IOC_DEVCAPS: 1083 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1084 break; 1085 case IEEE80211_IOC_HTPROTMODE: 1086 ireq->i_val = ic->ic_htprotmode; 1087 break; 1088 case IEEE80211_IOC_HTCONF: 1089 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1090 ireq->i_val = 1; 1091 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1092 ireq->i_val |= 2; 1093 } else 1094 ireq->i_val = 0; 1095 break; 1096 case IEEE80211_IOC_STA_VLAN: 1097 error = ieee80211_ioctl_getstavlan(vap, ireq); 1098 break; 1099 case IEEE80211_IOC_SMPS: 1100 if (vap->iv_opmode == IEEE80211_M_STA && 1101 vap->iv_state == IEEE80211_S_RUN) { 1102 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1103 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1104 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1105 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1106 else 1107 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1108 } else 1109 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1110 break; 1111 case IEEE80211_IOC_RIFS: 1112 if (vap->iv_opmode == IEEE80211_M_STA && 1113 vap->iv_state == IEEE80211_S_RUN) 1114 ireq->i_val = 1115 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1116 else 1117 ireq->i_val = 1118 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1119 break; 1120 default: 1121 error = ieee80211_ioctl_getdefault(vap, ireq); 1122 break; 1123 } 1124 return error; 1125 #undef MS 1126 } 1127 1128 static __noinline int 1129 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1130 { 1131 struct ieee80211req_key ik; 1132 struct ieee80211_node *ni; 1133 struct ieee80211_key *wk; 1134 uint16_t kid; 1135 int error, i; 1136 1137 if (ireq->i_len != sizeof(ik)) 1138 return EINVAL; 1139 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1140 if (error) 1141 return error; 1142 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1143 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1144 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1145 return E2BIG; 1146 kid = ik.ik_keyix; 1147 if (kid == IEEE80211_KEYIX_NONE) { 1148 /* XXX unicast keys currently must be tx/rx */ 1149 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1150 return EINVAL; 1151 if (vap->iv_opmode == IEEE80211_M_STA) { 1152 ni = ieee80211_ref_node(vap->iv_bss); 1153 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1154 ieee80211_free_node(ni); 1155 return EADDRNOTAVAIL; 1156 } 1157 } else { 1158 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1159 ik.ik_macaddr); 1160 if (ni == NULL) 1161 return ENOENT; 1162 } 1163 wk = &ni->ni_ucastkey; 1164 } else { 1165 if (kid >= IEEE80211_WEP_NKID) 1166 return EINVAL; 1167 wk = &vap->iv_nw_keys[kid]; 1168 /* 1169 * Global slots start off w/o any assigned key index. 1170 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1171 */ 1172 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1173 wk->wk_keyix = kid; 1174 ni = NULL; 1175 } 1176 error = 0; 1177 ieee80211_key_update_begin(vap); 1178 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1179 wk->wk_keylen = ik.ik_keylen; 1180 /* NB: MIC presence is implied by cipher type */ 1181 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1182 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1183 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1184 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1185 wk->wk_keytsc = 0; /* new key, reset */ 1186 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1187 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1188 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1189 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1190 if (!ieee80211_crypto_setkey(vap, wk)) 1191 error = EIO; 1192 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1193 vap->iv_def_txkey = kid; 1194 } else 1195 error = ENXIO; 1196 ieee80211_key_update_end(vap); 1197 if (ni != NULL) 1198 ieee80211_free_node(ni); 1199 return error; 1200 } 1201 1202 static __noinline int 1203 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1204 { 1205 struct ieee80211req_del_key dk; 1206 int kid, error; 1207 1208 if (ireq->i_len != sizeof(dk)) 1209 return EINVAL; 1210 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1211 if (error) 1212 return error; 1213 kid = dk.idk_keyix; 1214 /* XXX uint8_t -> uint16_t */ 1215 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1216 struct ieee80211_node *ni; 1217 1218 if (vap->iv_opmode == IEEE80211_M_STA) { 1219 ni = ieee80211_ref_node(vap->iv_bss); 1220 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1221 ieee80211_free_node(ni); 1222 return EADDRNOTAVAIL; 1223 } 1224 } else { 1225 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1226 dk.idk_macaddr); 1227 if (ni == NULL) 1228 return ENOENT; 1229 } 1230 /* XXX error return */ 1231 ieee80211_node_delucastkey(ni); 1232 ieee80211_free_node(ni); 1233 } else { 1234 if (kid >= IEEE80211_WEP_NKID) 1235 return EINVAL; 1236 /* XXX error return */ 1237 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1238 } 1239 return 0; 1240 } 1241 1242 struct mlmeop { 1243 struct ieee80211vap *vap; 1244 int op; 1245 int reason; 1246 }; 1247 1248 static void 1249 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1250 int op, int reason) 1251 { 1252 #ifdef IEEE80211_DEBUG 1253 static const struct { 1254 int mask; 1255 const char *opstr; 1256 } ops[] = { 1257 { 0, "op#0" }, 1258 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1259 IEEE80211_MSG_ASSOC, "assoc" }, 1260 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1261 IEEE80211_MSG_ASSOC, "disassoc" }, 1262 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1263 IEEE80211_MSG_AUTH, "deauth" }, 1264 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1265 IEEE80211_MSG_AUTH, "authorize" }, 1266 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1267 IEEE80211_MSG_AUTH, "unauthorize" }, 1268 }; 1269 1270 if (op == IEEE80211_MLME_AUTH) { 1271 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1272 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1273 "station authenticate %s via MLME (reason %d)", 1274 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1275 reason); 1276 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1277 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1278 "unknown MLME request %d (reason %d)", op, reason); 1279 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1280 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1281 "station %s via MLME", ops[op].opstr); 1282 } else { 1283 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1284 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1285 } 1286 #endif /* IEEE80211_DEBUG */ 1287 } 1288 1289 static void 1290 domlme(void *arg, struct ieee80211_node *ni) 1291 { 1292 struct mlmeop *mop = arg; 1293 struct ieee80211vap *vap = ni->ni_vap; 1294 1295 if (vap != mop->vap) 1296 return; 1297 /* 1298 * NB: if ni_associd is zero then the node is already cleaned 1299 * up and we don't need to do this (we're safely holding a 1300 * reference but should otherwise not modify it's state). 1301 */ 1302 if (ni->ni_associd == 0) 1303 return; 1304 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1305 if (mop->op == IEEE80211_MLME_DEAUTH) { 1306 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1307 mop->reason); 1308 } else { 1309 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1310 mop->reason); 1311 } 1312 ieee80211_node_leave(ni); 1313 } 1314 1315 static int 1316 setmlme_dropsta(struct ieee80211vap *vap, 1317 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1318 { 1319 struct ieee80211com *ic = vap->iv_ic; 1320 struct ieee80211_node_table *nt = &ic->ic_sta; 1321 struct ieee80211_node *ni; 1322 int error = 0; 1323 1324 /* NB: the broadcast address means do 'em all */ 1325 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1326 IEEE80211_NODE_LOCK(nt); 1327 ni = ieee80211_find_node_locked(nt, mac); 1328 if (ni != NULL) { 1329 domlme(mlmeop, ni); 1330 ieee80211_free_node(ni); 1331 } else 1332 error = ENOENT; 1333 IEEE80211_NODE_UNLOCK(nt); 1334 } else { 1335 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1336 } 1337 return error; 1338 } 1339 1340 static __noinline int 1341 setmlme_common(struct ieee80211vap *vap, int op, 1342 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1343 { 1344 struct ieee80211com *ic = vap->iv_ic; 1345 struct ieee80211_node_table *nt = &ic->ic_sta; 1346 struct ieee80211_node *ni; 1347 struct mlmeop mlmeop; 1348 int error; 1349 1350 error = 0; 1351 switch (op) { 1352 case IEEE80211_MLME_DISASSOC: 1353 case IEEE80211_MLME_DEAUTH: 1354 switch (vap->iv_opmode) { 1355 case IEEE80211_M_STA: 1356 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1357 /* XXX not quite right */ 1358 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1359 break; 1360 case IEEE80211_M_HOSTAP: 1361 mlmeop.vap = vap; 1362 mlmeop.op = op; 1363 mlmeop.reason = reason; 1364 error = setmlme_dropsta(vap, mac, &mlmeop); 1365 break; 1366 case IEEE80211_M_WDS: 1367 /* XXX user app should send raw frame? */ 1368 if (op != IEEE80211_MLME_DEAUTH) { 1369 error = EINVAL; 1370 break; 1371 } 1372 #if 0 1373 /* XXX accept any address, simplifies user code */ 1374 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1375 error = EINVAL; 1376 break; 1377 } 1378 #endif 1379 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1380 ni = ieee80211_ref_node(vap->iv_bss); 1381 IEEE80211_SEND_MGMT(ni, 1382 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1383 ieee80211_free_node(ni); 1384 break; 1385 default: 1386 error = EINVAL; 1387 break; 1388 } 1389 break; 1390 case IEEE80211_MLME_AUTHORIZE: 1391 case IEEE80211_MLME_UNAUTHORIZE: 1392 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1393 vap->iv_opmode != IEEE80211_M_WDS) { 1394 error = EINVAL; 1395 break; 1396 } 1397 IEEE80211_NODE_LOCK(nt); 1398 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1399 if (ni != NULL) { 1400 mlmedebug(vap, mac, op, reason); 1401 if (op == IEEE80211_MLME_AUTHORIZE) 1402 ieee80211_node_authorize(ni); 1403 else 1404 ieee80211_node_unauthorize(ni); 1405 ieee80211_free_node(ni); 1406 } else 1407 error = ENOENT; 1408 IEEE80211_NODE_UNLOCK(nt); 1409 break; 1410 case IEEE80211_MLME_AUTH: 1411 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1412 error = EINVAL; 1413 break; 1414 } 1415 IEEE80211_NODE_LOCK(nt); 1416 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1417 if (ni != NULL) { 1418 mlmedebug(vap, mac, op, reason); 1419 if (reason == IEEE80211_STATUS_SUCCESS) { 1420 IEEE80211_SEND_MGMT(ni, 1421 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1422 /* 1423 * For shared key auth, just continue the 1424 * exchange. Otherwise when 802.1x is not in 1425 * use mark the port authorized at this point 1426 * so traffic can flow. 1427 */ 1428 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1429 ni->ni_challenge == NULL) 1430 ieee80211_node_authorize(ni); 1431 } else { 1432 vap->iv_stats.is_rx_acl++; 1433 ieee80211_send_error(ni, ni->ni_macaddr, 1434 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1435 ieee80211_node_leave(ni); 1436 } 1437 ieee80211_free_node(ni); 1438 } else 1439 error = ENOENT; 1440 IEEE80211_NODE_UNLOCK(nt); 1441 break; 1442 default: 1443 error = EINVAL; 1444 break; 1445 } 1446 return error; 1447 } 1448 1449 struct scanlookup { 1450 const uint8_t *mac; 1451 int esslen; 1452 const uint8_t *essid; 1453 const struct ieee80211_scan_entry *se; 1454 }; 1455 1456 /* 1457 * Match mac address and any ssid. 1458 */ 1459 static void 1460 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1461 { 1462 struct scanlookup *look = arg; 1463 1464 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1465 return; 1466 if (look->esslen != 0) { 1467 if (se->se_ssid[1] != look->esslen) 1468 return; 1469 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1470 return; 1471 } 1472 look->se = se; 1473 } 1474 1475 static __noinline int 1476 setmlme_assoc_sta(struct ieee80211vap *vap, 1477 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1478 const uint8_t ssid[IEEE80211_NWID_LEN]) 1479 { 1480 struct scanlookup lookup; 1481 1482 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1483 ("expected opmode STA not %s", 1484 ieee80211_opmode_name[vap->iv_opmode])); 1485 1486 /* NB: this is racey if roaming is !manual */ 1487 lookup.se = NULL; 1488 lookup.mac = mac; 1489 lookup.esslen = ssid_len; 1490 lookup.essid = ssid; 1491 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1492 if (lookup.se == NULL) 1493 return ENOENT; 1494 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1495 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1496 return EIO; /* XXX unique but could be better */ 1497 return 0; 1498 } 1499 1500 static __noinline int 1501 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1502 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1503 const uint8_t ssid[IEEE80211_NWID_LEN]) 1504 { 1505 struct ieee80211_scan_req sr; 1506 1507 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1508 vap->iv_opmode == IEEE80211_M_AHDEMO, 1509 ("expected opmode IBSS or AHDEMO not %s", 1510 ieee80211_opmode_name[vap->iv_opmode])); 1511 1512 if (ssid_len == 0) 1513 return EINVAL; 1514 1515 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1516 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1517 vap->iv_des_ssid[0].len = ssid_len; 1518 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1519 vap->iv_des_nssid = 1; 1520 1521 memset(&sr, 0, sizeof(sr)); 1522 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1523 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1524 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len); 1525 sr.sr_ssid[0].len = ssid_len; 1526 sr.sr_nssid = 1; 1527 1528 return ieee80211_scanreq(vap, &sr); 1529 } 1530 1531 static __noinline int 1532 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1533 { 1534 struct ieee80211req_mlme mlme; 1535 int error; 1536 1537 if (ireq->i_len != sizeof(mlme)) 1538 return EINVAL; 1539 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1540 if (error) 1541 return error; 1542 if (vap->iv_opmode == IEEE80211_M_STA && 1543 mlme.im_op == IEEE80211_MLME_ASSOC) 1544 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1545 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1546 else if (mlme.im_op == IEEE80211_MLME_ASSOC) 1547 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1548 mlme.im_ssid_len, mlme.im_ssid); 1549 else 1550 return setmlme_common(vap, mlme.im_op, 1551 mlme.im_macaddr, mlme.im_reason); 1552 } 1553 1554 static __noinline int 1555 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1556 { 1557 uint8_t mac[IEEE80211_ADDR_LEN]; 1558 const struct ieee80211_aclator *acl = vap->iv_acl; 1559 int error; 1560 1561 if (ireq->i_len != sizeof(mac)) 1562 return EINVAL; 1563 error = copyin(ireq->i_data, mac, ireq->i_len); 1564 if (error) 1565 return error; 1566 if (acl == NULL) { 1567 acl = ieee80211_aclator_get("mac"); 1568 if (acl == NULL || !acl->iac_attach(vap)) 1569 return EINVAL; 1570 vap->iv_acl = acl; 1571 } 1572 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1573 acl->iac_add(vap, mac); 1574 else 1575 acl->iac_remove(vap, mac); 1576 return 0; 1577 } 1578 1579 static __noinline int 1580 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1581 { 1582 const struct ieee80211_aclator *acl = vap->iv_acl; 1583 1584 switch (ireq->i_val) { 1585 case IEEE80211_MACCMD_POLICY_OPEN: 1586 case IEEE80211_MACCMD_POLICY_ALLOW: 1587 case IEEE80211_MACCMD_POLICY_DENY: 1588 case IEEE80211_MACCMD_POLICY_RADIUS: 1589 if (acl == NULL) { 1590 acl = ieee80211_aclator_get("mac"); 1591 if (acl == NULL || !acl->iac_attach(vap)) 1592 return EINVAL; 1593 vap->iv_acl = acl; 1594 } 1595 acl->iac_setpolicy(vap, ireq->i_val); 1596 break; 1597 case IEEE80211_MACCMD_FLUSH: 1598 if (acl != NULL) 1599 acl->iac_flush(vap); 1600 /* NB: silently ignore when not in use */ 1601 break; 1602 case IEEE80211_MACCMD_DETACH: 1603 if (acl != NULL) { 1604 vap->iv_acl = NULL; 1605 acl->iac_detach(vap); 1606 } 1607 break; 1608 default: 1609 if (acl == NULL) 1610 return EINVAL; 1611 else 1612 return acl->iac_setioctl(vap, ireq); 1613 } 1614 return 0; 1615 } 1616 1617 static __noinline int 1618 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1619 { 1620 struct ieee80211com *ic = vap->iv_ic; 1621 uint8_t *chanlist, *list; 1622 int i, nchan, maxchan, error; 1623 1624 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1625 ireq->i_len = sizeof(ic->ic_chan_active); 1626 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1627 M_NOWAIT | M_ZERO); 1628 if (list == NULL) 1629 return ENOMEM; 1630 error = copyin(ireq->i_data, list, ireq->i_len); 1631 if (error) { 1632 free(list, M_TEMP); 1633 return error; 1634 } 1635 nchan = 0; 1636 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1637 maxchan = ireq->i_len * NBBY; 1638 for (i = 0; i < ic->ic_nchans; i++) { 1639 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1640 /* 1641 * Calculate the intersection of the user list and the 1642 * available channels so users can do things like specify 1643 * 1-255 to get all available channels. 1644 */ 1645 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1646 setbit(chanlist, c->ic_ieee); 1647 nchan++; 1648 } 1649 } 1650 if (nchan == 0) { 1651 free(list, M_TEMP); 1652 return EINVAL; 1653 } 1654 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1655 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1656 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1657 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1658 ieee80211_scan_flush(vap); 1659 free(list, M_TEMP); 1660 return ENETRESET; 1661 } 1662 1663 static __noinline int 1664 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1665 { 1666 struct ieee80211_node *ni; 1667 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1668 int error; 1669 1670 /* 1671 * NB: we could copyin ieee80211req_sta_stats so apps 1672 * could make selective changes but that's overkill; 1673 * just clear all stats for now. 1674 */ 1675 if (ireq->i_len < IEEE80211_ADDR_LEN) 1676 return EINVAL; 1677 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1678 if (error != 0) 1679 return error; 1680 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1681 if (ni == NULL) 1682 return ENOENT; 1683 /* XXX require ni_vap == vap? */ 1684 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1685 ieee80211_free_node(ni); 1686 return 0; 1687 } 1688 1689 static __noinline int 1690 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1691 { 1692 struct ieee80211_node *ni; 1693 struct ieee80211req_sta_txpow txpow; 1694 int error; 1695 1696 if (ireq->i_len != sizeof(txpow)) 1697 return EINVAL; 1698 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1699 if (error != 0) 1700 return error; 1701 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1702 if (ni == NULL) 1703 return ENOENT; 1704 ni->ni_txpower = txpow.it_txpow; 1705 ieee80211_free_node(ni); 1706 return error; 1707 } 1708 1709 static __noinline int 1710 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1711 { 1712 struct ieee80211com *ic = vap->iv_ic; 1713 struct ieee80211_wme_state *wme = &ic->ic_wme; 1714 struct wmeParams *wmep, *chanp; 1715 int isbss, ac; 1716 1717 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1718 return EOPNOTSUPP; 1719 1720 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1721 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1722 if (ac >= WME_NUM_AC) 1723 ac = WME_AC_BE; 1724 if (isbss) { 1725 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1726 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1727 } else { 1728 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1729 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1730 } 1731 switch (ireq->i_type) { 1732 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1733 if (isbss) { 1734 wmep->wmep_logcwmin = ireq->i_val; 1735 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1736 chanp->wmep_logcwmin = ireq->i_val; 1737 } else { 1738 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1739 ireq->i_val; 1740 } 1741 break; 1742 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1743 if (isbss) { 1744 wmep->wmep_logcwmax = ireq->i_val; 1745 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1746 chanp->wmep_logcwmax = ireq->i_val; 1747 } else { 1748 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1749 ireq->i_val; 1750 } 1751 break; 1752 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1753 if (isbss) { 1754 wmep->wmep_aifsn = ireq->i_val; 1755 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1756 chanp->wmep_aifsn = ireq->i_val; 1757 } else { 1758 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1759 } 1760 break; 1761 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1762 if (isbss) { 1763 wmep->wmep_txopLimit = ireq->i_val; 1764 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1765 chanp->wmep_txopLimit = ireq->i_val; 1766 } else { 1767 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1768 ireq->i_val; 1769 } 1770 break; 1771 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1772 wmep->wmep_acm = ireq->i_val; 1773 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1774 chanp->wmep_acm = ireq->i_val; 1775 break; 1776 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1777 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1778 (ireq->i_val) == 0; 1779 break; 1780 } 1781 ieee80211_wme_updateparams(vap); 1782 return 0; 1783 } 1784 1785 static int 1786 find11gchannel(struct ieee80211com *ic, int start, int freq) 1787 { 1788 const struct ieee80211_channel *c; 1789 int i; 1790 1791 for (i = start+1; i < ic->ic_nchans; i++) { 1792 c = &ic->ic_channels[i]; 1793 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1794 return 1; 1795 } 1796 /* NB: should not be needed but in case things are mis-sorted */ 1797 for (i = 0; i < start; i++) { 1798 c = &ic->ic_channels[i]; 1799 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1800 return 1; 1801 } 1802 return 0; 1803 } 1804 1805 static struct ieee80211_channel * 1806 findchannel(struct ieee80211com *ic, int ieee, int mode) 1807 { 1808 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1809 [IEEE80211_MODE_AUTO] = 0, 1810 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1811 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1812 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1813 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1814 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1815 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1816 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1817 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1818 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1819 /* NB: handled specially below */ 1820 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1821 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1822 }; 1823 u_int modeflags; 1824 int i; 1825 1826 modeflags = chanflags[mode]; 1827 for (i = 0; i < ic->ic_nchans; i++) { 1828 struct ieee80211_channel *c = &ic->ic_channels[i]; 1829 1830 if (c->ic_ieee != ieee) 1831 continue; 1832 if (mode == IEEE80211_MODE_AUTO) { 1833 /* ignore turbo channels for autoselect */ 1834 if (IEEE80211_IS_CHAN_TURBO(c)) 1835 continue; 1836 /* 1837 * XXX special-case 11b/g channels so we 1838 * always select the g channel if both 1839 * are present. 1840 * XXX prefer HT to non-HT? 1841 */ 1842 if (!IEEE80211_IS_CHAN_B(c) || 1843 !find11gchannel(ic, i, c->ic_freq)) 1844 return c; 1845 } else { 1846 /* must check HT specially */ 1847 if ((mode == IEEE80211_MODE_11NA || 1848 mode == IEEE80211_MODE_11NG) && 1849 !IEEE80211_IS_CHAN_HT(c)) 1850 continue; 1851 if ((c->ic_flags & modeflags) == modeflags) 1852 return c; 1853 } 1854 } 1855 return NULL; 1856 } 1857 1858 /* 1859 * Check the specified against any desired mode (aka netband). 1860 * This is only used (presently) when operating in hostap mode 1861 * to enforce consistency. 1862 */ 1863 static int 1864 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1865 { 1866 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1867 1868 switch (mode) { 1869 case IEEE80211_MODE_11B: 1870 return (IEEE80211_IS_CHAN_B(c)); 1871 case IEEE80211_MODE_11G: 1872 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1873 case IEEE80211_MODE_11A: 1874 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1875 case IEEE80211_MODE_STURBO_A: 1876 return (IEEE80211_IS_CHAN_STURBO(c)); 1877 case IEEE80211_MODE_11NA: 1878 return (IEEE80211_IS_CHAN_HTA(c)); 1879 case IEEE80211_MODE_11NG: 1880 return (IEEE80211_IS_CHAN_HTG(c)); 1881 } 1882 return 1; 1883 1884 } 1885 1886 /* 1887 * Common code to set the current channel. If the device 1888 * is up and running this may result in an immediate channel 1889 * change or a kick of the state machine. 1890 */ 1891 static int 1892 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1893 { 1894 struct ieee80211com *ic = vap->iv_ic; 1895 int error; 1896 1897 if (c != IEEE80211_CHAN_ANYC) { 1898 if (IEEE80211_IS_CHAN_RADAR(c)) 1899 return EBUSY; /* XXX better code? */ 1900 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1901 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1902 return EINVAL; 1903 if (!check_mode_consistency(c, vap->iv_des_mode)) 1904 return EINVAL; 1905 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1906 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1907 return EINVAL; 1908 } 1909 if (vap->iv_state == IEEE80211_S_RUN && 1910 vap->iv_bss->ni_chan == c) 1911 return 0; /* NB: nothing to do */ 1912 } 1913 vap->iv_des_chan = c; 1914 1915 error = 0; 1916 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1917 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1918 /* 1919 * Monitor mode can switch directly. 1920 */ 1921 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1922 /* XXX need state machine for other vap's to follow */ 1923 ieee80211_setcurchan(ic, vap->iv_des_chan); 1924 vap->iv_bss->ni_chan = ic->ic_curchan; 1925 } else 1926 ic->ic_curchan = vap->iv_des_chan; 1927 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1928 } else { 1929 /* 1930 * Need to go through the state machine in case we 1931 * need to reassociate or the like. The state machine 1932 * will pickup the desired channel and avoid scanning. 1933 */ 1934 if (IS_UP_AUTO(vap)) 1935 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1936 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1937 /* 1938 * When not up+running and a real channel has 1939 * been specified fix the current channel so 1940 * there is immediate feedback; e.g. via ifconfig. 1941 */ 1942 ic->ic_curchan = vap->iv_des_chan; 1943 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1944 } 1945 } 1946 return error; 1947 } 1948 1949 /* 1950 * Old api for setting the current channel; this is 1951 * deprecated because channel numbers are ambiguous. 1952 */ 1953 static __noinline int 1954 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1955 const struct ieee80211req *ireq) 1956 { 1957 struct ieee80211com *ic = vap->iv_ic; 1958 struct ieee80211_channel *c; 1959 1960 /* XXX 0xffff overflows 16-bit signed */ 1961 if (ireq->i_val == 0 || 1962 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1963 c = IEEE80211_CHAN_ANYC; 1964 } else { 1965 struct ieee80211_channel *c2; 1966 1967 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 1968 if (c == NULL) { 1969 c = findchannel(ic, ireq->i_val, 1970 IEEE80211_MODE_AUTO); 1971 if (c == NULL) 1972 return EINVAL; 1973 } 1974 /* 1975 * Fine tune channel selection based on desired mode: 1976 * if 11b is requested, find the 11b version of any 1977 * 11g channel returned, 1978 * if static turbo, find the turbo version of any 1979 * 11a channel return, 1980 * if 11na is requested, find the ht version of any 1981 * 11a channel returned, 1982 * if 11ng is requested, find the ht version of any 1983 * 11g channel returned, 1984 * otherwise we should be ok with what we've got. 1985 */ 1986 switch (vap->iv_des_mode) { 1987 case IEEE80211_MODE_11B: 1988 if (IEEE80211_IS_CHAN_ANYG(c)) { 1989 c2 = findchannel(ic, ireq->i_val, 1990 IEEE80211_MODE_11B); 1991 /* NB: should not happen, =>'s 11g w/o 11b */ 1992 if (c2 != NULL) 1993 c = c2; 1994 } 1995 break; 1996 case IEEE80211_MODE_TURBO_A: 1997 if (IEEE80211_IS_CHAN_A(c)) { 1998 c2 = findchannel(ic, ireq->i_val, 1999 IEEE80211_MODE_TURBO_A); 2000 if (c2 != NULL) 2001 c = c2; 2002 } 2003 break; 2004 case IEEE80211_MODE_11NA: 2005 if (IEEE80211_IS_CHAN_A(c)) { 2006 c2 = findchannel(ic, ireq->i_val, 2007 IEEE80211_MODE_11NA); 2008 if (c2 != NULL) 2009 c = c2; 2010 } 2011 break; 2012 case IEEE80211_MODE_11NG: 2013 if (IEEE80211_IS_CHAN_ANYG(c)) { 2014 c2 = findchannel(ic, ireq->i_val, 2015 IEEE80211_MODE_11NG); 2016 if (c2 != NULL) 2017 c = c2; 2018 } 2019 break; 2020 default: /* NB: no static turboG */ 2021 break; 2022 } 2023 } 2024 return setcurchan(vap, c); 2025 } 2026 2027 /* 2028 * New/current api for setting the current channel; a complete 2029 * channel description is provide so there is no ambiguity in 2030 * identifying the channel. 2031 */ 2032 static __noinline int 2033 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2034 const struct ieee80211req *ireq) 2035 { 2036 struct ieee80211com *ic = vap->iv_ic; 2037 struct ieee80211_channel chan, *c; 2038 int error; 2039 2040 if (ireq->i_len != sizeof(chan)) 2041 return EINVAL; 2042 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2043 if (error != 0) 2044 return error; 2045 /* XXX 0xffff overflows 16-bit signed */ 2046 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2047 c = IEEE80211_CHAN_ANYC; 2048 } else { 2049 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2050 if (c == NULL) 2051 return EINVAL; 2052 } 2053 return setcurchan(vap, c); 2054 } 2055 2056 static __noinline int 2057 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2058 const struct ieee80211req *ireq) 2059 { 2060 struct ieee80211_regdomain_req *reg; 2061 int nchans, error; 2062 2063 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2064 sizeof(struct ieee80211_channel)); 2065 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2066 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2067 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2068 ireq->i_len, nchans); 2069 return EINVAL; 2070 } 2071 reg = (struct ieee80211_regdomain_req *) 2072 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT); 2073 if (reg == NULL) { 2074 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2075 "%s: no memory, nchans %d\n", __func__, nchans); 2076 return ENOMEM; 2077 } 2078 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2079 if (error == 0) { 2080 /* NB: validate inline channel count against storage size */ 2081 if (reg->chaninfo.ic_nchans != nchans) { 2082 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2083 "%s: chan cnt mismatch, %d != %d\n", __func__, 2084 reg->chaninfo.ic_nchans, nchans); 2085 error = EINVAL; 2086 } else 2087 error = ieee80211_setregdomain(vap, reg); 2088 } 2089 free(reg, M_TEMP); 2090 2091 return (error == 0 ? ENETRESET : error); 2092 } 2093 2094 static int 2095 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2096 const struct ieee80211req *ireq) 2097 { 2098 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2099 return EINVAL; 2100 /* XXX validate params */ 2101 /* XXX? ENETRESET to push to device? */ 2102 return copyin(ireq->i_data, vap->iv_roamparms, 2103 sizeof(vap->iv_roamparms)); 2104 } 2105 2106 static int 2107 checkrate(const struct ieee80211_rateset *rs, int rate) 2108 { 2109 int i; 2110 2111 if (rate == IEEE80211_FIXED_RATE_NONE) 2112 return 1; 2113 for (i = 0; i < rs->rs_nrates; i++) 2114 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2115 return 1; 2116 return 0; 2117 } 2118 2119 static int 2120 checkmcs(int mcs) 2121 { 2122 if (mcs == IEEE80211_FIXED_RATE_NONE) 2123 return 1; 2124 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2125 return 0; 2126 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2127 } 2128 2129 static __noinline int 2130 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2131 const struct ieee80211req *ireq) 2132 { 2133 struct ieee80211com *ic = vap->iv_ic; 2134 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2135 struct ieee80211_txparam *src, *dst; 2136 const struct ieee80211_rateset *rs; 2137 int error, mode, changed, is11n, nmodes; 2138 2139 /* NB: accept short requests for backwards compat */ 2140 if (ireq->i_len > sizeof(parms)) 2141 return EINVAL; 2142 error = copyin(ireq->i_data, &parms, ireq->i_len); 2143 if (error != 0) 2144 return error; 2145 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2146 changed = 0; 2147 /* validate parameters and check if anything changed */ 2148 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2149 if (isclr(ic->ic_modecaps, mode)) 2150 continue; 2151 src = &parms.params[mode]; 2152 dst = &vap->iv_txparms[mode]; 2153 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2154 is11n = (mode == IEEE80211_MODE_11NA || 2155 mode == IEEE80211_MODE_11NG); 2156 if (src->ucastrate != dst->ucastrate) { 2157 if (!checkrate(rs, src->ucastrate) && 2158 (!is11n || !checkmcs(src->ucastrate))) 2159 return EINVAL; 2160 changed++; 2161 } 2162 if (src->mcastrate != dst->mcastrate) { 2163 if (!checkrate(rs, src->mcastrate) && 2164 (!is11n || !checkmcs(src->mcastrate))) 2165 return EINVAL; 2166 changed++; 2167 } 2168 if (src->mgmtrate != dst->mgmtrate) { 2169 if (!checkrate(rs, src->mgmtrate) && 2170 (!is11n || !checkmcs(src->mgmtrate))) 2171 return EINVAL; 2172 changed++; 2173 } 2174 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2175 changed++; 2176 } 2177 if (changed) { 2178 /* 2179 * Copy new parameters in place and notify the 2180 * driver so it can push state to the device. 2181 */ 2182 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2183 if (isset(ic->ic_modecaps, mode)) 2184 vap->iv_txparms[mode] = parms.params[mode]; 2185 } 2186 /* XXX could be more intelligent, 2187 e.g. don't reset if setting not being used */ 2188 return ENETRESET; 2189 } 2190 return 0; 2191 } 2192 2193 /* 2194 * Application Information Element support. 2195 */ 2196 static int 2197 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2198 { 2199 struct ieee80211_appie *app = *aie; 2200 struct ieee80211_appie *napp; 2201 int error; 2202 2203 if (ireq->i_len == 0) { /* delete any existing ie */ 2204 if (app != NULL) { 2205 *aie = NULL; /* XXX racey */ 2206 free(app, M_80211_NODE_IE); 2207 } 2208 return 0; 2209 } 2210 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2211 return EINVAL; 2212 /* 2213 * Allocate a new appie structure and copy in the user data. 2214 * When done swap in the new structure. Note that we do not 2215 * guard against users holding a ref to the old structure; 2216 * this must be handled outside this code. 2217 * 2218 * XXX bad bad bad 2219 */ 2220 napp = (struct ieee80211_appie *) malloc( 2221 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT); 2222 if (napp == NULL) 2223 return ENOMEM; 2224 /* XXX holding ic lock */ 2225 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2226 if (error) { 2227 free(napp, M_80211_NODE_IE); 2228 return error; 2229 } 2230 napp->ie_len = ireq->i_len; 2231 *aie = napp; 2232 if (app != NULL) 2233 free(app, M_80211_NODE_IE); 2234 return 0; 2235 } 2236 2237 static void 2238 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2239 { 2240 /* validate data is present as best we can */ 2241 if (space == 0 || 2+ie[1] > space) 2242 return; 2243 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2244 vap->iv_wpa_ie = ie; 2245 else if (ie[0] == IEEE80211_ELEMID_RSN) 2246 vap->iv_rsn_ie = ie; 2247 } 2248 2249 static __noinline int 2250 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2251 const struct ieee80211req *ireq, int fc0) 2252 { 2253 int error; 2254 2255 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2256 2257 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2258 case IEEE80211_FC0_SUBTYPE_BEACON: 2259 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2260 vap->iv_opmode != IEEE80211_M_IBSS) { 2261 error = EINVAL; 2262 break; 2263 } 2264 error = setappie(&vap->iv_appie_beacon, ireq); 2265 if (error == 0) 2266 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2267 break; 2268 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2269 error = setappie(&vap->iv_appie_proberesp, ireq); 2270 break; 2271 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2272 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2273 error = setappie(&vap->iv_appie_assocresp, ireq); 2274 else 2275 error = EINVAL; 2276 break; 2277 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2278 error = setappie(&vap->iv_appie_probereq, ireq); 2279 break; 2280 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2281 if (vap->iv_opmode == IEEE80211_M_STA) 2282 error = setappie(&vap->iv_appie_assocreq, ireq); 2283 else 2284 error = EINVAL; 2285 break; 2286 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2287 error = setappie(&vap->iv_appie_wpa, ireq); 2288 if (error == 0) { 2289 /* 2290 * Must split single blob of data into separate 2291 * WPA and RSN ie's because they go in different 2292 * locations in the mgt frames. 2293 * XXX use IEEE80211_IOC_WPA2 so user code does split 2294 */ 2295 vap->iv_wpa_ie = NULL; 2296 vap->iv_rsn_ie = NULL; 2297 if (vap->iv_appie_wpa != NULL) { 2298 struct ieee80211_appie *appie = 2299 vap->iv_appie_wpa; 2300 uint8_t *data = appie->ie_data; 2301 2302 /* XXX ie length validate is painful, cheat */ 2303 setwparsnie(vap, data, appie->ie_len); 2304 setwparsnie(vap, data + 2 + data[1], 2305 appie->ie_len - (2 + data[1])); 2306 } 2307 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2308 vap->iv_opmode == IEEE80211_M_IBSS) { 2309 /* 2310 * Must rebuild beacon frame as the update 2311 * mechanism doesn't handle WPA/RSN ie's. 2312 * Could extend it but it doesn't normally 2313 * change; this is just to deal with hostapd 2314 * plumbing the ie after the interface is up. 2315 */ 2316 error = ENETRESET; 2317 } 2318 } 2319 break; 2320 default: 2321 error = EINVAL; 2322 break; 2323 } 2324 return error; 2325 } 2326 2327 static __noinline int 2328 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2329 const struct ieee80211req *ireq) 2330 { 2331 struct ieee80211com *ic = vap->iv_ic; 2332 int error; 2333 uint8_t fc0; 2334 2335 fc0 = ireq->i_val & 0xff; 2336 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2337 return EINVAL; 2338 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2339 IEEE80211_LOCK(ic); 2340 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2341 IEEE80211_UNLOCK(ic); 2342 return error; 2343 } 2344 2345 static __noinline int 2346 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2347 { 2348 struct ieee80211com *ic = vap->iv_ic; 2349 struct ieee80211_chanswitch_req csr; 2350 struct ieee80211_channel *c; 2351 int error; 2352 2353 if (ireq->i_len != sizeof(csr)) 2354 return EINVAL; 2355 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2356 if (error != 0) 2357 return error; 2358 /* XXX adhoc mode not supported */ 2359 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2360 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2361 return EOPNOTSUPP; 2362 c = ieee80211_find_channel(ic, 2363 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2364 if (c == NULL) 2365 return ENOENT; 2366 IEEE80211_LOCK(ic); 2367 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2368 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2369 else if (csr.csa_count == 0) 2370 ieee80211_csa_cancelswitch(ic); 2371 else 2372 error = EBUSY; 2373 IEEE80211_UNLOCK(ic); 2374 return error; 2375 } 2376 2377 static int 2378 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2379 { 2380 #define IEEE80211_IOC_SCAN_FLAGS \ 2381 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2382 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2383 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2384 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2385 IEEE80211_IOC_SCAN_CHECK) 2386 struct ieee80211com *ic = vap->iv_ic; 2387 int i; 2388 2389 /* convert duration */ 2390 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2391 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2392 else { 2393 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2394 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2395 return EINVAL; 2396 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2397 if (sr->sr_duration < 1) 2398 sr->sr_duration = 1; 2399 } 2400 /* convert min/max channel dwell */ 2401 if (sr->sr_mindwell != 0) { 2402 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2403 if (sr->sr_mindwell < 1) 2404 sr->sr_mindwell = 1; 2405 } 2406 if (sr->sr_maxdwell != 0) { 2407 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2408 if (sr->sr_maxdwell < 1) 2409 sr->sr_maxdwell = 1; 2410 } 2411 /* NB: silently reduce ssid count to what is supported */ 2412 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2413 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2414 for (i = 0; i < sr->sr_nssid; i++) 2415 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2416 return EINVAL; 2417 /* cleanse flags just in case, could reject if invalid flags */ 2418 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2419 /* 2420 * Add an implicit NOPICK if the vap is not marked UP. This 2421 * allows applications to scan without joining a bss (or picking 2422 * a channel and setting up a bss) and without forcing manual 2423 * roaming mode--you just need to mark the parent device UP. 2424 */ 2425 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2426 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2427 2428 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2429 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2430 __func__, sr->sr_flags, 2431 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2432 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2433 /* 2434 * If we are in INIT state then the driver has never had a chance 2435 * to setup hardware state to do a scan; we must use the state 2436 * machine to get us up to the SCAN state but once we reach SCAN 2437 * state we then want to use the supplied params. Stash the 2438 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2439 * state machines will recognize this and use the stashed params 2440 * to issue the scan request. 2441 * 2442 * Otherwise just invoke the scan machinery directly. 2443 */ 2444 IEEE80211_LOCK(ic); 2445 if (vap->iv_state == IEEE80211_S_INIT) { 2446 /* NB: clobbers previous settings */ 2447 vap->iv_scanreq_flags = sr->sr_flags; 2448 vap->iv_scanreq_duration = sr->sr_duration; 2449 vap->iv_scanreq_nssid = sr->sr_nssid; 2450 for (i = 0; i < sr->sr_nssid; i++) { 2451 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2452 memcpy(vap->iv_scanreq_ssid[i].ssid, 2453 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2454 } 2455 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2456 IEEE80211_UNLOCK(ic); 2457 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2458 } else { 2459 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2460 IEEE80211_UNLOCK(ic); 2461 /* XXX neeed error return codes */ 2462 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2463 (void) ieee80211_check_scan(vap, sr->sr_flags, 2464 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2465 sr->sr_nssid, 2466 /* NB: cheat, we assume structures are compatible */ 2467 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2468 } else { 2469 (void) ieee80211_start_scan(vap, sr->sr_flags, 2470 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2471 sr->sr_nssid, 2472 /* NB: cheat, we assume structures are compatible */ 2473 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2474 } 2475 } 2476 return 0; 2477 #undef IEEE80211_IOC_SCAN_FLAGS 2478 } 2479 2480 static __noinline int 2481 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2482 { 2483 struct ieee80211com *ic = vap->iv_ic; 2484 struct ieee80211_scan_req sr; /* XXX off stack? */ 2485 int error; 2486 2487 /* NB: parent must be running */ 2488 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2489 return ENXIO; 2490 2491 if (ireq->i_len != sizeof(sr)) 2492 return EINVAL; 2493 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2494 if (error != 0) 2495 return error; 2496 return ieee80211_scanreq(vap, &sr); 2497 } 2498 2499 static __noinline int 2500 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2501 { 2502 struct ieee80211_node *ni; 2503 struct ieee80211req_sta_vlan vlan; 2504 int error; 2505 2506 if (ireq->i_len != sizeof(vlan)) 2507 return EINVAL; 2508 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2509 if (error != 0) 2510 return error; 2511 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2512 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2513 vlan.sv_macaddr); 2514 if (ni == NULL) 2515 return ENOENT; 2516 } else 2517 ni = ieee80211_ref_node(vap->iv_bss); 2518 ni->ni_vlan = vlan.sv_vlan; 2519 ieee80211_free_node(ni); 2520 return error; 2521 } 2522 2523 static int 2524 isvap11g(const struct ieee80211vap *vap) 2525 { 2526 const struct ieee80211_node *bss = vap->iv_bss; 2527 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2528 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2529 } 2530 2531 static int 2532 isvapht(const struct ieee80211vap *vap) 2533 { 2534 const struct ieee80211_node *bss = vap->iv_bss; 2535 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2536 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2537 } 2538 2539 /* 2540 * Dummy ioctl set handler so the linker set is defined. 2541 */ 2542 static int 2543 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2544 { 2545 return ENOSYS; 2546 } 2547 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2548 2549 static int 2550 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2551 { 2552 ieee80211_ioctl_setfunc * const *set; 2553 int error; 2554 2555 SET_FOREACH(set, ieee80211_ioctl_setset) { 2556 error = (*set)(vap, ireq); 2557 if (error != ENOSYS) 2558 return error; 2559 } 2560 return EINVAL; 2561 } 2562 2563 static __noinline int 2564 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2565 { 2566 struct ieee80211com *ic = vap->iv_ic; 2567 int error; 2568 const struct ieee80211_authenticator *auth; 2569 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2570 char tmpssid[IEEE80211_NWID_LEN]; 2571 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2572 struct ieee80211_key *k; 2573 u_int kid; 2574 uint32_t flags; 2575 2576 error = 0; 2577 switch (ireq->i_type) { 2578 case IEEE80211_IOC_SSID: 2579 if (ireq->i_val != 0 || 2580 ireq->i_len > IEEE80211_NWID_LEN) 2581 return EINVAL; 2582 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2583 if (error) 2584 break; 2585 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2586 vap->iv_des_ssid[0].len = ireq->i_len; 2587 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2588 vap->iv_des_nssid = (ireq->i_len > 0); 2589 error = ENETRESET; 2590 break; 2591 case IEEE80211_IOC_WEP: 2592 switch (ireq->i_val) { 2593 case IEEE80211_WEP_OFF: 2594 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2595 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2596 break; 2597 case IEEE80211_WEP_ON: 2598 vap->iv_flags |= IEEE80211_F_PRIVACY; 2599 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2600 break; 2601 case IEEE80211_WEP_MIXED: 2602 vap->iv_flags |= IEEE80211_F_PRIVACY; 2603 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2604 break; 2605 } 2606 error = ENETRESET; 2607 break; 2608 case IEEE80211_IOC_WEPKEY: 2609 kid = (u_int) ireq->i_val; 2610 if (kid >= IEEE80211_WEP_NKID) 2611 return EINVAL; 2612 k = &vap->iv_nw_keys[kid]; 2613 if (ireq->i_len == 0) { 2614 /* zero-len =>'s delete any existing key */ 2615 (void) ieee80211_crypto_delkey(vap, k); 2616 break; 2617 } 2618 if (ireq->i_len > sizeof(tmpkey)) 2619 return EINVAL; 2620 memset(tmpkey, 0, sizeof(tmpkey)); 2621 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2622 if (error) 2623 break; 2624 ieee80211_key_update_begin(vap); 2625 k->wk_keyix = kid; /* NB: force fixed key id */ 2626 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2627 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2628 k->wk_keylen = ireq->i_len; 2629 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2630 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2631 if (!ieee80211_crypto_setkey(vap, k)) 2632 error = EINVAL; 2633 } else 2634 error = EINVAL; 2635 ieee80211_key_update_end(vap); 2636 break; 2637 case IEEE80211_IOC_WEPTXKEY: 2638 kid = (u_int) ireq->i_val; 2639 if (kid >= IEEE80211_WEP_NKID && 2640 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2641 return EINVAL; 2642 vap->iv_def_txkey = kid; 2643 break; 2644 case IEEE80211_IOC_AUTHMODE: 2645 switch (ireq->i_val) { 2646 case IEEE80211_AUTH_WPA: 2647 case IEEE80211_AUTH_8021X: /* 802.1x */ 2648 case IEEE80211_AUTH_OPEN: /* open */ 2649 case IEEE80211_AUTH_SHARED: /* shared-key */ 2650 case IEEE80211_AUTH_AUTO: /* auto */ 2651 auth = ieee80211_authenticator_get(ireq->i_val); 2652 if (auth == NULL) 2653 return EINVAL; 2654 break; 2655 default: 2656 return EINVAL; 2657 } 2658 switch (ireq->i_val) { 2659 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2660 vap->iv_flags |= IEEE80211_F_PRIVACY; 2661 ireq->i_val = IEEE80211_AUTH_8021X; 2662 break; 2663 case IEEE80211_AUTH_OPEN: /* open */ 2664 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2665 break; 2666 case IEEE80211_AUTH_SHARED: /* shared-key */ 2667 case IEEE80211_AUTH_8021X: /* 802.1x */ 2668 vap->iv_flags &= ~IEEE80211_F_WPA; 2669 /* both require a key so mark the PRIVACY capability */ 2670 vap->iv_flags |= IEEE80211_F_PRIVACY; 2671 break; 2672 case IEEE80211_AUTH_AUTO: /* auto */ 2673 vap->iv_flags &= ~IEEE80211_F_WPA; 2674 /* XXX PRIVACY handling? */ 2675 /* XXX what's the right way to do this? */ 2676 break; 2677 } 2678 /* NB: authenticator attach/detach happens on state change */ 2679 vap->iv_bss->ni_authmode = ireq->i_val; 2680 /* XXX mixed/mode/usage? */ 2681 vap->iv_auth = auth; 2682 error = ENETRESET; 2683 break; 2684 case IEEE80211_IOC_CHANNEL: 2685 error = ieee80211_ioctl_setchannel(vap, ireq); 2686 break; 2687 case IEEE80211_IOC_POWERSAVE: 2688 switch (ireq->i_val) { 2689 case IEEE80211_POWERSAVE_OFF: 2690 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2691 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2692 error = ERESTART; 2693 } 2694 break; 2695 case IEEE80211_POWERSAVE_ON: 2696 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2697 error = EOPNOTSUPP; 2698 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2699 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2700 error = ERESTART; 2701 } 2702 break; 2703 default: 2704 error = EINVAL; 2705 break; 2706 } 2707 break; 2708 case IEEE80211_IOC_POWERSAVESLEEP: 2709 if (ireq->i_val < 0) 2710 return EINVAL; 2711 ic->ic_lintval = ireq->i_val; 2712 error = ERESTART; 2713 break; 2714 case IEEE80211_IOC_RTSTHRESHOLD: 2715 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2716 ireq->i_val <= IEEE80211_RTS_MAX)) 2717 return EINVAL; 2718 vap->iv_rtsthreshold = ireq->i_val; 2719 error = ERESTART; 2720 break; 2721 case IEEE80211_IOC_PROTMODE: 2722 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2723 return EINVAL; 2724 ic->ic_protmode = ireq->i_val; 2725 /* NB: if not operating in 11g this can wait */ 2726 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2727 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2728 error = ERESTART; 2729 break; 2730 case IEEE80211_IOC_TXPOWER: 2731 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2732 return EOPNOTSUPP; 2733 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2734 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2735 return EINVAL; 2736 ic->ic_txpowlimit = ireq->i_val; 2737 error = ERESTART; 2738 break; 2739 case IEEE80211_IOC_ROAMING: 2740 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2741 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2742 return EINVAL; 2743 vap->iv_roaming = ireq->i_val; 2744 /* XXXX reset? */ 2745 break; 2746 case IEEE80211_IOC_PRIVACY: 2747 if (ireq->i_val) { 2748 /* XXX check for key state? */ 2749 vap->iv_flags |= IEEE80211_F_PRIVACY; 2750 } else 2751 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2752 /* XXX ERESTART? */ 2753 break; 2754 case IEEE80211_IOC_DROPUNENCRYPTED: 2755 if (ireq->i_val) 2756 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2757 else 2758 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2759 /* XXX ERESTART? */ 2760 break; 2761 case IEEE80211_IOC_WPAKEY: 2762 error = ieee80211_ioctl_setkey(vap, ireq); 2763 break; 2764 case IEEE80211_IOC_DELKEY: 2765 error = ieee80211_ioctl_delkey(vap, ireq); 2766 break; 2767 case IEEE80211_IOC_MLME: 2768 error = ieee80211_ioctl_setmlme(vap, ireq); 2769 break; 2770 case IEEE80211_IOC_COUNTERMEASURES: 2771 if (ireq->i_val) { 2772 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2773 return EOPNOTSUPP; 2774 vap->iv_flags |= IEEE80211_F_COUNTERM; 2775 } else 2776 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2777 /* XXX ERESTART? */ 2778 break; 2779 case IEEE80211_IOC_WPA: 2780 if (ireq->i_val > 3) 2781 return EINVAL; 2782 /* XXX verify ciphers available */ 2783 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2784 switch (ireq->i_val) { 2785 case 1: 2786 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2787 return EOPNOTSUPP; 2788 flags |= IEEE80211_F_WPA1; 2789 break; 2790 case 2: 2791 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2792 return EOPNOTSUPP; 2793 flags |= IEEE80211_F_WPA2; 2794 break; 2795 case 3: 2796 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2797 return EOPNOTSUPP; 2798 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2799 break; 2800 default: /* Can't set any -> error */ 2801 return EOPNOTSUPP; 2802 } 2803 vap->iv_flags = flags; 2804 error = ERESTART; /* NB: can change beacon frame */ 2805 break; 2806 case IEEE80211_IOC_WME: 2807 if (ireq->i_val) { 2808 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2809 return EOPNOTSUPP; 2810 ieee80211_syncflag(vap, IEEE80211_F_WME); 2811 } else 2812 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2813 error = ERESTART; /* NB: can change beacon frame */ 2814 break; 2815 case IEEE80211_IOC_HIDESSID: 2816 if (ireq->i_val) 2817 vap->iv_flags |= IEEE80211_F_HIDESSID; 2818 else 2819 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2820 error = ERESTART; /* XXX ENETRESET? */ 2821 break; 2822 case IEEE80211_IOC_APBRIDGE: 2823 if (ireq->i_val == 0) 2824 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2825 else 2826 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2827 break; 2828 case IEEE80211_IOC_BSSID: 2829 if (ireq->i_len != sizeof(tmpbssid)) 2830 return EINVAL; 2831 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2832 if (error) 2833 break; 2834 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2835 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2836 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2837 else 2838 vap->iv_flags |= IEEE80211_F_DESBSSID; 2839 error = ENETRESET; 2840 break; 2841 case IEEE80211_IOC_CHANLIST: 2842 error = ieee80211_ioctl_setchanlist(vap, ireq); 2843 break; 2844 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2845 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2846 case OLD_IEEE80211_IOC_SCAN_REQ: 2847 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2848 "%s: active scan request\n", __func__); 2849 /* 2850 * If we are in INIT state then the driver has never 2851 * had a chance to setup hardware state to do a scan; 2852 * use the state machine to get us up the SCAN state. 2853 * Otherwise just invoke the scan machinery to start 2854 * a one-time scan. 2855 */ 2856 if (vap->iv_state == IEEE80211_S_INIT) 2857 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2858 else 2859 (void) ieee80211_start_scan(vap, 2860 IEEE80211_SCAN_ACTIVE | 2861 IEEE80211_SCAN_NOPICK | 2862 IEEE80211_SCAN_ONCE, 2863 IEEE80211_SCAN_FOREVER, 0, 0, 2864 /* XXX use ioctl params */ 2865 vap->iv_des_nssid, vap->iv_des_ssid); 2866 break; 2867 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2868 case IEEE80211_IOC_SCAN_REQ: 2869 error = ieee80211_ioctl_scanreq(vap, ireq); 2870 break; 2871 case IEEE80211_IOC_SCAN_CANCEL: 2872 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2873 "%s: cancel scan\n", __func__); 2874 ieee80211_cancel_scan(vap); 2875 break; 2876 case IEEE80211_IOC_HTCONF: 2877 if (ireq->i_val & 1) 2878 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2879 else 2880 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2881 if (ireq->i_val & 2) 2882 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2883 else 2884 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2885 error = ENETRESET; 2886 break; 2887 case IEEE80211_IOC_ADDMAC: 2888 case IEEE80211_IOC_DELMAC: 2889 error = ieee80211_ioctl_macmac(vap, ireq); 2890 break; 2891 case IEEE80211_IOC_MACCMD: 2892 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2893 break; 2894 case IEEE80211_IOC_STA_STATS: 2895 error = ieee80211_ioctl_setstastats(vap, ireq); 2896 break; 2897 case IEEE80211_IOC_STA_TXPOW: 2898 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2899 break; 2900 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2901 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2902 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2903 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2904 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2905 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2906 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2907 break; 2908 case IEEE80211_IOC_DTIM_PERIOD: 2909 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2910 vap->iv_opmode != IEEE80211_M_MBSS && 2911 vap->iv_opmode != IEEE80211_M_IBSS) 2912 return EINVAL; 2913 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2914 ireq->i_val <= IEEE80211_DTIM_MAX) { 2915 vap->iv_dtim_period = ireq->i_val; 2916 error = ENETRESET; /* requires restart */ 2917 } else 2918 error = EINVAL; 2919 break; 2920 case IEEE80211_IOC_BEACON_INTERVAL: 2921 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2922 vap->iv_opmode != IEEE80211_M_MBSS && 2923 vap->iv_opmode != IEEE80211_M_IBSS) 2924 return EINVAL; 2925 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2926 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2927 ic->ic_bintval = ireq->i_val; 2928 error = ENETRESET; /* requires restart */ 2929 } else 2930 error = EINVAL; 2931 break; 2932 case IEEE80211_IOC_PUREG: 2933 if (ireq->i_val) 2934 vap->iv_flags |= IEEE80211_F_PUREG; 2935 else 2936 vap->iv_flags &= ~IEEE80211_F_PUREG; 2937 /* NB: reset only if we're operating on an 11g channel */ 2938 if (isvap11g(vap)) 2939 error = ENETRESET; 2940 break; 2941 case IEEE80211_IOC_BGSCAN: 2942 if (ireq->i_val) { 2943 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 2944 return EOPNOTSUPP; 2945 vap->iv_flags |= IEEE80211_F_BGSCAN; 2946 } else 2947 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 2948 break; 2949 case IEEE80211_IOC_BGSCAN_IDLE: 2950 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 2951 vap->iv_bgscanidle = ireq->i_val*hz/1000; 2952 else 2953 error = EINVAL; 2954 break; 2955 case IEEE80211_IOC_BGSCAN_INTERVAL: 2956 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 2957 vap->iv_bgscanintvl = ireq->i_val*hz; 2958 else 2959 error = EINVAL; 2960 break; 2961 case IEEE80211_IOC_SCANVALID: 2962 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 2963 vap->iv_scanvalid = ireq->i_val*hz; 2964 else 2965 error = EINVAL; 2966 break; 2967 case IEEE80211_IOC_FRAGTHRESHOLD: 2968 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 2969 ireq->i_val != IEEE80211_FRAG_MAX) 2970 return EOPNOTSUPP; 2971 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2972 ireq->i_val <= IEEE80211_FRAG_MAX)) 2973 return EINVAL; 2974 vap->iv_fragthreshold = ireq->i_val; 2975 error = ERESTART; 2976 break; 2977 case IEEE80211_IOC_BURST: 2978 if (ireq->i_val) { 2979 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 2980 return EOPNOTSUPP; 2981 ieee80211_syncflag(vap, IEEE80211_F_BURST); 2982 } else 2983 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 2984 error = ERESTART; 2985 break; 2986 case IEEE80211_IOC_BMISSTHRESHOLD: 2987 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 2988 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 2989 return EINVAL; 2990 vap->iv_bmissthreshold = ireq->i_val; 2991 error = ERESTART; 2992 break; 2993 case IEEE80211_IOC_CURCHAN: 2994 error = ieee80211_ioctl_setcurchan(vap, ireq); 2995 break; 2996 case IEEE80211_IOC_SHORTGI: 2997 if (ireq->i_val) { 2998 #define IEEE80211_HTCAP_SHORTGI \ 2999 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3000 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3001 return EINVAL; 3002 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3003 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3004 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3005 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3006 #undef IEEE80211_HTCAP_SHORTGI 3007 } else 3008 vap->iv_flags_ht &= 3009 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3010 error = ERESTART; 3011 break; 3012 case IEEE80211_IOC_AMPDU: 3013 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3014 return EINVAL; 3015 if (ireq->i_val & 1) 3016 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3017 else 3018 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3019 if (ireq->i_val & 2) 3020 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3021 else 3022 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3023 /* NB: reset only if we're operating on an 11n channel */ 3024 if (isvapht(vap)) 3025 error = ERESTART; 3026 break; 3027 case IEEE80211_IOC_AMPDU_LIMIT: 3028 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3029 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3030 return EINVAL; 3031 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3032 vap->iv_ampdu_rxmax = ireq->i_val; 3033 else 3034 vap->iv_ampdu_limit = ireq->i_val; 3035 error = ERESTART; 3036 break; 3037 case IEEE80211_IOC_AMPDU_DENSITY: 3038 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3039 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3040 return EINVAL; 3041 vap->iv_ampdu_density = ireq->i_val; 3042 error = ERESTART; 3043 break; 3044 case IEEE80211_IOC_AMSDU: 3045 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3046 return EINVAL; 3047 if (ireq->i_val & 1) 3048 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3049 else 3050 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3051 if (ireq->i_val & 2) 3052 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3053 else 3054 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3055 /* NB: reset only if we're operating on an 11n channel */ 3056 if (isvapht(vap)) 3057 error = ERESTART; 3058 break; 3059 case IEEE80211_IOC_AMSDU_LIMIT: 3060 /* XXX validate */ 3061 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3062 break; 3063 case IEEE80211_IOC_PUREN: 3064 if (ireq->i_val) { 3065 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3066 return EINVAL; 3067 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3068 } else 3069 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3070 /* NB: reset only if we're operating on an 11n channel */ 3071 if (isvapht(vap)) 3072 error = ERESTART; 3073 break; 3074 case IEEE80211_IOC_DOTH: 3075 if (ireq->i_val) { 3076 #if 0 3077 /* XXX no capability */ 3078 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3079 return EOPNOTSUPP; 3080 #endif 3081 vap->iv_flags |= IEEE80211_F_DOTH; 3082 } else 3083 vap->iv_flags &= ~IEEE80211_F_DOTH; 3084 error = ENETRESET; 3085 break; 3086 case IEEE80211_IOC_REGDOMAIN: 3087 error = ieee80211_ioctl_setregdomain(vap, ireq); 3088 break; 3089 case IEEE80211_IOC_ROAM: 3090 error = ieee80211_ioctl_setroam(vap, ireq); 3091 break; 3092 case IEEE80211_IOC_TXPARAMS: 3093 error = ieee80211_ioctl_settxparams(vap, ireq); 3094 break; 3095 case IEEE80211_IOC_HTCOMPAT: 3096 if (ireq->i_val) { 3097 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3098 return EOPNOTSUPP; 3099 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3100 } else 3101 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3102 /* NB: reset only if we're operating on an 11n channel */ 3103 if (isvapht(vap)) 3104 error = ERESTART; 3105 break; 3106 case IEEE80211_IOC_DWDS: 3107 if (ireq->i_val) { 3108 /* NB: DWDS only makes sense for WDS-capable devices */ 3109 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3110 return EOPNOTSUPP; 3111 /* NB: DWDS is used only with ap+sta vaps */ 3112 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3113 vap->iv_opmode != IEEE80211_M_STA) 3114 return EINVAL; 3115 vap->iv_flags |= IEEE80211_F_DWDS; 3116 if (vap->iv_opmode == IEEE80211_M_STA) 3117 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3118 } else { 3119 vap->iv_flags &= ~IEEE80211_F_DWDS; 3120 if (vap->iv_opmode == IEEE80211_M_STA) 3121 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3122 } 3123 break; 3124 case IEEE80211_IOC_INACTIVITY: 3125 if (ireq->i_val) 3126 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3127 else 3128 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3129 break; 3130 case IEEE80211_IOC_APPIE: 3131 error = ieee80211_ioctl_setappie(vap, ireq); 3132 break; 3133 case IEEE80211_IOC_WPS: 3134 if (ireq->i_val) { 3135 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3136 return EOPNOTSUPP; 3137 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3138 } else 3139 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3140 break; 3141 case IEEE80211_IOC_TSN: 3142 if (ireq->i_val) { 3143 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3144 return EOPNOTSUPP; 3145 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3146 } else 3147 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3148 break; 3149 case IEEE80211_IOC_CHANSWITCH: 3150 error = ieee80211_ioctl_chanswitch(vap, ireq); 3151 break; 3152 case IEEE80211_IOC_DFS: 3153 if (ireq->i_val) { 3154 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3155 return EOPNOTSUPP; 3156 /* NB: DFS requires 11h support */ 3157 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3158 return EINVAL; 3159 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3160 } else 3161 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3162 break; 3163 case IEEE80211_IOC_DOTD: 3164 if (ireq->i_val) 3165 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3166 else 3167 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3168 if (vap->iv_opmode == IEEE80211_M_STA) 3169 error = ENETRESET; 3170 break; 3171 case IEEE80211_IOC_HTPROTMODE: 3172 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3173 return EINVAL; 3174 ic->ic_htprotmode = ireq->i_val ? 3175 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3176 /* NB: if not operating in 11n this can wait */ 3177 if (isvapht(vap)) 3178 error = ERESTART; 3179 break; 3180 case IEEE80211_IOC_STA_VLAN: 3181 error = ieee80211_ioctl_setstavlan(vap, ireq); 3182 break; 3183 case IEEE80211_IOC_SMPS: 3184 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3185 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3186 return EINVAL; 3187 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3188 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3189 return EOPNOTSUPP; 3190 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3191 ireq->i_val; 3192 /* NB: if not operating in 11n this can wait */ 3193 if (isvapht(vap)) 3194 error = ERESTART; 3195 break; 3196 case IEEE80211_IOC_RIFS: 3197 if (ireq->i_val != 0) { 3198 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3199 return EOPNOTSUPP; 3200 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3201 } else 3202 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3203 /* NB: if not operating in 11n this can wait */ 3204 if (isvapht(vap)) 3205 error = ERESTART; 3206 break; 3207 default: 3208 error = ieee80211_ioctl_setdefault(vap, ireq); 3209 break; 3210 } 3211 /* 3212 * The convention is that ENETRESET means an operation 3213 * requires a complete re-initialization of the device (e.g. 3214 * changing something that affects the association state). 3215 * ERESTART means the request may be handled with only a 3216 * reload of the hardware state. We hand ERESTART requests 3217 * to the iv_reset callback so the driver can decide. If 3218 * a device does not fillin iv_reset then it defaults to one 3219 * that returns ENETRESET. Otherwise a driver may return 3220 * ENETRESET (in which case a full reset will be done) or 3221 * 0 to mean there's no need to do anything (e.g. when the 3222 * change has no effect on the driver/device). 3223 */ 3224 if (error == ERESTART) 3225 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3226 vap->iv_reset(vap, ireq->i_type) : 0; 3227 if (error == ENETRESET) { 3228 /* XXX need to re-think AUTO handling */ 3229 if (IS_UP_AUTO(vap)) 3230 ieee80211_init(vap); 3231 error = 0; 3232 } 3233 return error; 3234 } 3235 3236 /* 3237 * Rebuild the parent's multicast address list after an add/del 3238 * of a multicast address for a vap. We have no way to tell 3239 * what happened above to optimize the work so we purge the entire 3240 * list and rebuild from scratch. This is way expensive. 3241 * Note also the half-baked workaround for if_addmulti calling 3242 * back to the parent device; there's no way to insert mcast 3243 * entries quietly and/or cheaply. 3244 */ 3245 static void 3246 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3247 { 3248 struct ifnet *parent = ic->ic_ifp; 3249 struct ieee80211vap *vap; 3250 void *ioctl; 3251 3252 IEEE80211_LOCK(ic); 3253 if_delallmulti(parent); 3254 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3255 parent->if_ioctl = NULL; 3256 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3257 struct ifnet *ifp = vap->iv_ifp; 3258 struct ifmultiaddr *ifma; 3259 3260 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3261 if (ifma->ifma_addr->sa_family != AF_LINK) 3262 continue; 3263 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3264 } 3265 } 3266 parent->if_ioctl = ioctl; 3267 ieee80211_runtask(ic, &ic->ic_mcast_task); 3268 IEEE80211_UNLOCK(ic); 3269 } 3270 3271 int 3272 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3273 { 3274 struct ieee80211vap *vap = ifp->if_softc; 3275 struct ieee80211com *ic = vap->iv_ic; 3276 int error = 0; 3277 struct ifreq *ifr; 3278 struct ifaddr *ifa; /* XXX */ 3279 3280 switch (cmd) { 3281 case SIOCSIFFLAGS: 3282 IEEE80211_LOCK(ic); 3283 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3284 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3285 if (ifp->if_flags & IFF_UP) { 3286 /* 3287 * Bring ourself up unless we're already operational. 3288 * If we're the first vap and the parent is not up 3289 * then it will automatically be brought up as a 3290 * side-effect of bringing ourself up. 3291 */ 3292 if (vap->iv_state == IEEE80211_S_INIT) 3293 ieee80211_start_locked(vap); 3294 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3295 /* 3296 * Stop ourself. If we are the last vap to be 3297 * marked down the parent will also be taken down. 3298 */ 3299 ieee80211_stop_locked(vap); 3300 } 3301 IEEE80211_UNLOCK(ic); 3302 /* Wait for parent ioctl handler if it was queued */ 3303 ieee80211_waitfor_parent(ic); 3304 break; 3305 case SIOCADDMULTI: 3306 case SIOCDELMULTI: 3307 ieee80211_ioctl_updatemulti(ic); 3308 break; 3309 case SIOCSIFMEDIA: 3310 case SIOCGIFMEDIA: 3311 ifr = (struct ifreq *)data; 3312 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3313 break; 3314 case SIOCG80211: 3315 error = ieee80211_ioctl_get80211(vap, cmd, 3316 (struct ieee80211req *) data); 3317 break; 3318 case SIOCS80211: 3319 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3320 if (error == 0) 3321 error = ieee80211_ioctl_set80211(vap, cmd, 3322 (struct ieee80211req *) data); 3323 break; 3324 case SIOCG80211STATS: 3325 ifr = (struct ifreq *)data; 3326 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3327 break; 3328 case SIOCSIFMTU: 3329 ifr = (struct ifreq *)data; 3330 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3331 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3332 error = EINVAL; 3333 else 3334 ifp->if_mtu = ifr->ifr_mtu; 3335 break; 3336 case SIOCSIFADDR: 3337 /* 3338 * XXX Handle this directly so we can supress if_init calls. 3339 * XXX This should be done in ether_ioctl but for the moment 3340 * XXX there are too many other parts of the system that 3341 * XXX set IFF_UP and so supress if_init being called when 3342 * XXX it should be. 3343 */ 3344 ifa = (struct ifaddr *) data; 3345 switch (ifa->ifa_addr->sa_family) { 3346 #ifdef INET 3347 case AF_INET: 3348 if ((ifp->if_flags & IFF_UP) == 0) { 3349 ifp->if_flags |= IFF_UP; 3350 ifp->if_init(ifp->if_softc); 3351 } 3352 arp_ifinit(ifp, ifa); 3353 break; 3354 #endif 3355 #ifdef IPX 3356 /* 3357 * XXX - This code is probably wrong, 3358 * but has been copied many times. 3359 */ 3360 case AF_IPX: { 3361 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3362 3363 if (ipx_nullhost(*ina)) 3364 ina->x_host = *(union ipx_host *) 3365 IF_LLADDR(ifp); 3366 else 3367 bcopy((caddr_t) ina->x_host.c_host, 3368 (caddr_t) IF_LLADDR(ifp), 3369 ETHER_ADDR_LEN); 3370 /* fall thru... */ 3371 } 3372 #endif 3373 default: 3374 if ((ifp->if_flags & IFF_UP) == 0) { 3375 ifp->if_flags |= IFF_UP; 3376 ifp->if_init(ifp->if_softc); 3377 } 3378 break; 3379 } 3380 break; 3381 /* Pass NDIS ioctls up to the driver */ 3382 case SIOCGDRVSPEC: 3383 case SIOCSDRVSPEC: 3384 case SIOCGPRIVATE_0: { 3385 struct ifnet *parent = vap->iv_ic->ic_ifp; 3386 error = parent->if_ioctl(parent, cmd, data); 3387 break; 3388 } 3389 default: 3390 error = ether_ioctl(ifp, cmd, data); 3391 break; 3392 } 3393 return error; 3394 } 3395