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 uint32_t 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 size_t 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 uint32_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, size_t 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 size_t 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_QUIET: 976 ireq->i_val = vap->iv_quiet; 977 break; 978 case IEEE80211_IOC_QUIET_COUNT: 979 ireq->i_val = vap->iv_quiet_count; 980 break; 981 case IEEE80211_IOC_QUIET_PERIOD: 982 ireq->i_val = vap->iv_quiet_period; 983 break; 984 case IEEE80211_IOC_QUIET_DUR: 985 ireq->i_val = vap->iv_quiet_duration; 986 break; 987 case IEEE80211_IOC_QUIET_OFFSET: 988 ireq->i_val = vap->iv_quiet_offset; 989 break; 990 case IEEE80211_IOC_BGSCAN: 991 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 992 break; 993 case IEEE80211_IOC_BGSCAN_IDLE: 994 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 995 break; 996 case IEEE80211_IOC_BGSCAN_INTERVAL: 997 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 998 break; 999 case IEEE80211_IOC_SCANVALID: 1000 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 1001 break; 1002 case IEEE80211_IOC_FRAGTHRESHOLD: 1003 ireq->i_val = vap->iv_fragthreshold; 1004 break; 1005 case IEEE80211_IOC_MACCMD: 1006 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1007 break; 1008 case IEEE80211_IOC_BURST: 1009 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1010 break; 1011 case IEEE80211_IOC_BMISSTHRESHOLD: 1012 ireq->i_val = vap->iv_bmissthreshold; 1013 break; 1014 case IEEE80211_IOC_CURCHAN: 1015 error = ieee80211_ioctl_getcurchan(vap, ireq); 1016 break; 1017 case IEEE80211_IOC_SHORTGI: 1018 ireq->i_val = 0; 1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1021 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1022 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1023 break; 1024 case IEEE80211_IOC_AMPDU: 1025 ireq->i_val = 0; 1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1027 ireq->i_val |= 1; 1028 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1029 ireq->i_val |= 2; 1030 break; 1031 case IEEE80211_IOC_AMPDU_LIMIT: 1032 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1033 ireq->i_val = vap->iv_ampdu_rxmax; 1034 else if (vap->iv_state == IEEE80211_S_RUN) 1035 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1036 IEEE80211_HTCAP_MAXRXAMPDU); 1037 else 1038 ireq->i_val = vap->iv_ampdu_limit; 1039 break; 1040 case IEEE80211_IOC_AMPDU_DENSITY: 1041 if (vap->iv_opmode == IEEE80211_M_STA && 1042 vap->iv_state == IEEE80211_S_RUN) 1043 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1044 IEEE80211_HTCAP_MPDUDENSITY); 1045 else 1046 ireq->i_val = vap->iv_ampdu_density; 1047 break; 1048 case IEEE80211_IOC_AMSDU: 1049 ireq->i_val = 0; 1050 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1051 ireq->i_val |= 1; 1052 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1053 ireq->i_val |= 2; 1054 break; 1055 case IEEE80211_IOC_AMSDU_LIMIT: 1056 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1057 break; 1058 case IEEE80211_IOC_PUREN: 1059 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1060 break; 1061 case IEEE80211_IOC_DOTH: 1062 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1063 break; 1064 case IEEE80211_IOC_REGDOMAIN: 1065 error = ieee80211_ioctl_getregdomain(vap, ireq); 1066 break; 1067 case IEEE80211_IOC_ROAM: 1068 error = ieee80211_ioctl_getroam(vap, ireq); 1069 break; 1070 case IEEE80211_IOC_TXPARAMS: 1071 error = ieee80211_ioctl_gettxparams(vap, ireq); 1072 break; 1073 case IEEE80211_IOC_HTCOMPAT: 1074 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1075 break; 1076 case IEEE80211_IOC_DWDS: 1077 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1078 break; 1079 case IEEE80211_IOC_INACTIVITY: 1080 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1081 break; 1082 case IEEE80211_IOC_APPIE: 1083 error = ieee80211_ioctl_getappie(vap, ireq); 1084 break; 1085 case IEEE80211_IOC_WPS: 1086 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1087 break; 1088 case IEEE80211_IOC_TSN: 1089 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1090 break; 1091 case IEEE80211_IOC_DFS: 1092 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1093 break; 1094 case IEEE80211_IOC_DOTD: 1095 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1096 break; 1097 case IEEE80211_IOC_DEVCAPS: 1098 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1099 break; 1100 case IEEE80211_IOC_HTPROTMODE: 1101 ireq->i_val = ic->ic_htprotmode; 1102 break; 1103 case IEEE80211_IOC_HTCONF: 1104 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1105 ireq->i_val = 1; 1106 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1107 ireq->i_val |= 2; 1108 } else 1109 ireq->i_val = 0; 1110 break; 1111 case IEEE80211_IOC_STA_VLAN: 1112 error = ieee80211_ioctl_getstavlan(vap, ireq); 1113 break; 1114 case IEEE80211_IOC_SMPS: 1115 if (vap->iv_opmode == IEEE80211_M_STA && 1116 vap->iv_state == IEEE80211_S_RUN) { 1117 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1118 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1119 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1120 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1121 else 1122 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1123 } else 1124 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1125 break; 1126 case IEEE80211_IOC_RIFS: 1127 if (vap->iv_opmode == IEEE80211_M_STA && 1128 vap->iv_state == IEEE80211_S_RUN) 1129 ireq->i_val = 1130 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1131 else 1132 ireq->i_val = 1133 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1134 break; 1135 default: 1136 error = ieee80211_ioctl_getdefault(vap, ireq); 1137 break; 1138 } 1139 return error; 1140 #undef MS 1141 } 1142 1143 static __noinline int 1144 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1145 { 1146 struct ieee80211req_key ik; 1147 struct ieee80211_node *ni; 1148 struct ieee80211_key *wk; 1149 uint16_t kid; 1150 int error, i; 1151 1152 if (ireq->i_len != sizeof(ik)) 1153 return EINVAL; 1154 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1155 if (error) 1156 return error; 1157 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1158 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1159 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1160 return E2BIG; 1161 kid = ik.ik_keyix; 1162 if (kid == IEEE80211_KEYIX_NONE) { 1163 /* XXX unicast keys currently must be tx/rx */ 1164 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1165 return EINVAL; 1166 if (vap->iv_opmode == IEEE80211_M_STA) { 1167 ni = ieee80211_ref_node(vap->iv_bss); 1168 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1169 ieee80211_free_node(ni); 1170 return EADDRNOTAVAIL; 1171 } 1172 } else { 1173 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1174 ik.ik_macaddr); 1175 if (ni == NULL) 1176 return ENOENT; 1177 } 1178 wk = &ni->ni_ucastkey; 1179 } else { 1180 if (kid >= IEEE80211_WEP_NKID) 1181 return EINVAL; 1182 wk = &vap->iv_nw_keys[kid]; 1183 /* 1184 * Global slots start off w/o any assigned key index. 1185 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1186 */ 1187 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1188 wk->wk_keyix = kid; 1189 ni = NULL; 1190 } 1191 error = 0; 1192 ieee80211_key_update_begin(vap); 1193 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1194 wk->wk_keylen = ik.ik_keylen; 1195 /* NB: MIC presence is implied by cipher type */ 1196 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1197 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1198 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1199 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1200 wk->wk_keytsc = 0; /* new key, reset */ 1201 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1202 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1203 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1204 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1205 if (!ieee80211_crypto_setkey(vap, wk)) 1206 error = EIO; 1207 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1208 vap->iv_def_txkey = kid; 1209 } else 1210 error = ENXIO; 1211 ieee80211_key_update_end(vap); 1212 if (ni != NULL) 1213 ieee80211_free_node(ni); 1214 return error; 1215 } 1216 1217 static __noinline int 1218 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1219 { 1220 struct ieee80211req_del_key dk; 1221 int kid, error; 1222 1223 if (ireq->i_len != sizeof(dk)) 1224 return EINVAL; 1225 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1226 if (error) 1227 return error; 1228 kid = dk.idk_keyix; 1229 /* XXX uint8_t -> uint16_t */ 1230 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1231 struct ieee80211_node *ni; 1232 1233 if (vap->iv_opmode == IEEE80211_M_STA) { 1234 ni = ieee80211_ref_node(vap->iv_bss); 1235 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1236 ieee80211_free_node(ni); 1237 return EADDRNOTAVAIL; 1238 } 1239 } else { 1240 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1241 dk.idk_macaddr); 1242 if (ni == NULL) 1243 return ENOENT; 1244 } 1245 /* XXX error return */ 1246 ieee80211_node_delucastkey(ni); 1247 ieee80211_free_node(ni); 1248 } else { 1249 if (kid >= IEEE80211_WEP_NKID) 1250 return EINVAL; 1251 /* XXX error return */ 1252 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1253 } 1254 return 0; 1255 } 1256 1257 struct mlmeop { 1258 struct ieee80211vap *vap; 1259 int op; 1260 int reason; 1261 }; 1262 1263 static void 1264 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1265 int op, int reason) 1266 { 1267 #ifdef IEEE80211_DEBUG 1268 static const struct { 1269 int mask; 1270 const char *opstr; 1271 } ops[] = { 1272 { 0, "op#0" }, 1273 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1274 IEEE80211_MSG_ASSOC, "assoc" }, 1275 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1276 IEEE80211_MSG_ASSOC, "disassoc" }, 1277 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1278 IEEE80211_MSG_AUTH, "deauth" }, 1279 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1280 IEEE80211_MSG_AUTH, "authorize" }, 1281 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1282 IEEE80211_MSG_AUTH, "unauthorize" }, 1283 }; 1284 1285 if (op == IEEE80211_MLME_AUTH) { 1286 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1287 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1288 "station authenticate %s via MLME (reason %d)", 1289 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1290 reason); 1291 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1292 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1293 "unknown MLME request %d (reason %d)", op, reason); 1294 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1295 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1296 "station %s via MLME", ops[op].opstr); 1297 } else { 1298 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1299 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1300 } 1301 #endif /* IEEE80211_DEBUG */ 1302 } 1303 1304 static void 1305 domlme(void *arg, struct ieee80211_node *ni) 1306 { 1307 struct mlmeop *mop = arg; 1308 struct ieee80211vap *vap = ni->ni_vap; 1309 1310 if (vap != mop->vap) 1311 return; 1312 /* 1313 * NB: if ni_associd is zero then the node is already cleaned 1314 * up and we don't need to do this (we're safely holding a 1315 * reference but should otherwise not modify it's state). 1316 */ 1317 if (ni->ni_associd == 0) 1318 return; 1319 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1320 if (mop->op == IEEE80211_MLME_DEAUTH) { 1321 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1322 mop->reason); 1323 } else { 1324 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1325 mop->reason); 1326 } 1327 ieee80211_node_leave(ni); 1328 } 1329 1330 static int 1331 setmlme_dropsta(struct ieee80211vap *vap, 1332 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1333 { 1334 struct ieee80211com *ic = vap->iv_ic; 1335 struct ieee80211_node_table *nt = &ic->ic_sta; 1336 struct ieee80211_node *ni; 1337 int error = 0; 1338 1339 /* NB: the broadcast address means do 'em all */ 1340 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1341 IEEE80211_NODE_LOCK(nt); 1342 ni = ieee80211_find_node_locked(nt, mac); 1343 IEEE80211_NODE_UNLOCK(nt); 1344 /* 1345 * Don't do the node update inside the node 1346 * table lock. This unfortunately causes LORs 1347 * with drivers and their TX paths. 1348 */ 1349 if (ni != NULL) { 1350 domlme(mlmeop, ni); 1351 ieee80211_free_node(ni); 1352 } else 1353 error = ENOENT; 1354 } else { 1355 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1356 } 1357 return error; 1358 } 1359 1360 static __noinline int 1361 setmlme_common(struct ieee80211vap *vap, int op, 1362 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1363 { 1364 struct ieee80211com *ic = vap->iv_ic; 1365 struct ieee80211_node_table *nt = &ic->ic_sta; 1366 struct ieee80211_node *ni; 1367 struct mlmeop mlmeop; 1368 int error; 1369 1370 error = 0; 1371 switch (op) { 1372 case IEEE80211_MLME_DISASSOC: 1373 case IEEE80211_MLME_DEAUTH: 1374 switch (vap->iv_opmode) { 1375 case IEEE80211_M_STA: 1376 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1377 /* XXX not quite right */ 1378 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1379 break; 1380 case IEEE80211_M_HOSTAP: 1381 mlmeop.vap = vap; 1382 mlmeop.op = op; 1383 mlmeop.reason = reason; 1384 error = setmlme_dropsta(vap, mac, &mlmeop); 1385 break; 1386 case IEEE80211_M_WDS: 1387 /* XXX user app should send raw frame? */ 1388 if (op != IEEE80211_MLME_DEAUTH) { 1389 error = EINVAL; 1390 break; 1391 } 1392 #if 0 1393 /* XXX accept any address, simplifies user code */ 1394 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1395 error = EINVAL; 1396 break; 1397 } 1398 #endif 1399 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1400 ni = ieee80211_ref_node(vap->iv_bss); 1401 IEEE80211_SEND_MGMT(ni, 1402 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1403 ieee80211_free_node(ni); 1404 break; 1405 case IEEE80211_M_MBSS: 1406 IEEE80211_NODE_LOCK(nt); 1407 ni = ieee80211_find_node_locked(nt, mac); 1408 /* 1409 * Don't do the node update inside the node 1410 * table lock. This unfortunately causes LORs 1411 * with drivers and their TX paths. 1412 */ 1413 IEEE80211_NODE_UNLOCK(nt); 1414 if (ni != NULL) { 1415 ieee80211_node_leave(ni); 1416 ieee80211_free_node(ni); 1417 } else { 1418 error = ENOENT; 1419 } 1420 break; 1421 default: 1422 error = EINVAL; 1423 break; 1424 } 1425 break; 1426 case IEEE80211_MLME_AUTHORIZE: 1427 case IEEE80211_MLME_UNAUTHORIZE: 1428 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1429 vap->iv_opmode != IEEE80211_M_WDS) { 1430 error = EINVAL; 1431 break; 1432 } 1433 IEEE80211_NODE_LOCK(nt); 1434 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1435 /* 1436 * Don't do the node update inside the node 1437 * table lock. This unfortunately causes LORs 1438 * with drivers and their TX paths. 1439 */ 1440 IEEE80211_NODE_UNLOCK(nt); 1441 if (ni != NULL) { 1442 mlmedebug(vap, mac, op, reason); 1443 if (op == IEEE80211_MLME_AUTHORIZE) 1444 ieee80211_node_authorize(ni); 1445 else 1446 ieee80211_node_unauthorize(ni); 1447 ieee80211_free_node(ni); 1448 } else 1449 error = ENOENT; 1450 break; 1451 case IEEE80211_MLME_AUTH: 1452 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1453 error = EINVAL; 1454 break; 1455 } 1456 IEEE80211_NODE_LOCK(nt); 1457 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1458 /* 1459 * Don't do the node update inside the node 1460 * table lock. This unfortunately causes LORs 1461 * with drivers and their TX paths. 1462 */ 1463 IEEE80211_NODE_UNLOCK(nt); 1464 if (ni != NULL) { 1465 mlmedebug(vap, mac, op, reason); 1466 if (reason == IEEE80211_STATUS_SUCCESS) { 1467 IEEE80211_SEND_MGMT(ni, 1468 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1469 /* 1470 * For shared key auth, just continue the 1471 * exchange. Otherwise when 802.1x is not in 1472 * use mark the port authorized at this point 1473 * so traffic can flow. 1474 */ 1475 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1476 ni->ni_challenge == NULL) 1477 ieee80211_node_authorize(ni); 1478 } else { 1479 vap->iv_stats.is_rx_acl++; 1480 ieee80211_send_error(ni, ni->ni_macaddr, 1481 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1482 ieee80211_node_leave(ni); 1483 } 1484 ieee80211_free_node(ni); 1485 } else 1486 error = ENOENT; 1487 break; 1488 default: 1489 error = EINVAL; 1490 break; 1491 } 1492 return error; 1493 } 1494 1495 struct scanlookup { 1496 const uint8_t *mac; 1497 int esslen; 1498 const uint8_t *essid; 1499 const struct ieee80211_scan_entry *se; 1500 }; 1501 1502 /* 1503 * Match mac address and any ssid. 1504 */ 1505 static void 1506 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1507 { 1508 struct scanlookup *look = arg; 1509 1510 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1511 return; 1512 if (look->esslen != 0) { 1513 if (se->se_ssid[1] != look->esslen) 1514 return; 1515 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1516 return; 1517 } 1518 look->se = se; 1519 } 1520 1521 static __noinline int 1522 setmlme_assoc_sta(struct ieee80211vap *vap, 1523 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1524 const uint8_t ssid[IEEE80211_NWID_LEN]) 1525 { 1526 struct scanlookup lookup; 1527 1528 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1529 ("expected opmode STA not %s", 1530 ieee80211_opmode_name[vap->iv_opmode])); 1531 1532 /* NB: this is racey if roaming is !manual */ 1533 lookup.se = NULL; 1534 lookup.mac = mac; 1535 lookup.esslen = ssid_len; 1536 lookup.essid = ssid; 1537 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1538 if (lookup.se == NULL) 1539 return ENOENT; 1540 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1541 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1542 return EIO; /* XXX unique but could be better */ 1543 return 0; 1544 } 1545 1546 static __noinline int 1547 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1548 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1549 const uint8_t ssid[IEEE80211_NWID_LEN]) 1550 { 1551 struct ieee80211_scan_req sr; 1552 1553 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1554 vap->iv_opmode == IEEE80211_M_AHDEMO, 1555 ("expected opmode IBSS or AHDEMO not %s", 1556 ieee80211_opmode_name[vap->iv_opmode])); 1557 1558 if (ssid_len == 0) 1559 return EINVAL; 1560 1561 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1562 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1563 vap->iv_des_ssid[0].len = ssid_len; 1564 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1565 vap->iv_des_nssid = 1; 1566 1567 memset(&sr, 0, sizeof(sr)); 1568 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1569 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1570 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len); 1571 sr.sr_ssid[0].len = ssid_len; 1572 sr.sr_nssid = 1; 1573 1574 return ieee80211_scanreq(vap, &sr); 1575 } 1576 1577 static __noinline int 1578 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1579 { 1580 struct ieee80211req_mlme mlme; 1581 int error; 1582 1583 if (ireq->i_len != sizeof(mlme)) 1584 return EINVAL; 1585 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1586 if (error) 1587 return error; 1588 if (vap->iv_opmode == IEEE80211_M_STA && 1589 mlme.im_op == IEEE80211_MLME_ASSOC) 1590 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1591 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1592 else if (mlme.im_op == IEEE80211_MLME_ASSOC) 1593 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1594 mlme.im_ssid_len, mlme.im_ssid); 1595 else 1596 return setmlme_common(vap, mlme.im_op, 1597 mlme.im_macaddr, mlme.im_reason); 1598 } 1599 1600 static __noinline int 1601 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1602 { 1603 uint8_t mac[IEEE80211_ADDR_LEN]; 1604 const struct ieee80211_aclator *acl = vap->iv_acl; 1605 int error; 1606 1607 if (ireq->i_len != sizeof(mac)) 1608 return EINVAL; 1609 error = copyin(ireq->i_data, mac, ireq->i_len); 1610 if (error) 1611 return error; 1612 if (acl == NULL) { 1613 acl = ieee80211_aclator_get("mac"); 1614 if (acl == NULL || !acl->iac_attach(vap)) 1615 return EINVAL; 1616 vap->iv_acl = acl; 1617 } 1618 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1619 acl->iac_add(vap, mac); 1620 else 1621 acl->iac_remove(vap, mac); 1622 return 0; 1623 } 1624 1625 static __noinline int 1626 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1627 { 1628 const struct ieee80211_aclator *acl = vap->iv_acl; 1629 1630 switch (ireq->i_val) { 1631 case IEEE80211_MACCMD_POLICY_OPEN: 1632 case IEEE80211_MACCMD_POLICY_ALLOW: 1633 case IEEE80211_MACCMD_POLICY_DENY: 1634 case IEEE80211_MACCMD_POLICY_RADIUS: 1635 if (acl == NULL) { 1636 acl = ieee80211_aclator_get("mac"); 1637 if (acl == NULL || !acl->iac_attach(vap)) 1638 return EINVAL; 1639 vap->iv_acl = acl; 1640 } 1641 acl->iac_setpolicy(vap, ireq->i_val); 1642 break; 1643 case IEEE80211_MACCMD_FLUSH: 1644 if (acl != NULL) 1645 acl->iac_flush(vap); 1646 /* NB: silently ignore when not in use */ 1647 break; 1648 case IEEE80211_MACCMD_DETACH: 1649 if (acl != NULL) { 1650 vap->iv_acl = NULL; 1651 acl->iac_detach(vap); 1652 } 1653 break; 1654 default: 1655 if (acl == NULL) 1656 return EINVAL; 1657 else 1658 return acl->iac_setioctl(vap, ireq); 1659 } 1660 return 0; 1661 } 1662 1663 static __noinline int 1664 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1665 { 1666 struct ieee80211com *ic = vap->iv_ic; 1667 uint8_t *chanlist, *list; 1668 int i, nchan, maxchan, error; 1669 1670 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1671 ireq->i_len = sizeof(ic->ic_chan_active); 1672 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1673 M_NOWAIT | M_ZERO); 1674 if (list == NULL) 1675 return ENOMEM; 1676 error = copyin(ireq->i_data, list, ireq->i_len); 1677 if (error) { 1678 free(list, M_TEMP); 1679 return error; 1680 } 1681 nchan = 0; 1682 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1683 maxchan = ireq->i_len * NBBY; 1684 for (i = 0; i < ic->ic_nchans; i++) { 1685 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1686 /* 1687 * Calculate the intersection of the user list and the 1688 * available channels so users can do things like specify 1689 * 1-255 to get all available channels. 1690 */ 1691 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1692 setbit(chanlist, c->ic_ieee); 1693 nchan++; 1694 } 1695 } 1696 if (nchan == 0) { 1697 free(list, M_TEMP); 1698 return EINVAL; 1699 } 1700 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1701 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1702 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1703 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1704 ieee80211_scan_flush(vap); 1705 free(list, M_TEMP); 1706 return ENETRESET; 1707 } 1708 1709 static __noinline int 1710 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1711 { 1712 struct ieee80211_node *ni; 1713 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1714 int error; 1715 1716 /* 1717 * NB: we could copyin ieee80211req_sta_stats so apps 1718 * could make selective changes but that's overkill; 1719 * just clear all stats for now. 1720 */ 1721 if (ireq->i_len < IEEE80211_ADDR_LEN) 1722 return EINVAL; 1723 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1724 if (error != 0) 1725 return error; 1726 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1727 if (ni == NULL) 1728 return ENOENT; 1729 /* XXX require ni_vap == vap? */ 1730 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1731 ieee80211_free_node(ni); 1732 return 0; 1733 } 1734 1735 static __noinline int 1736 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1737 { 1738 struct ieee80211_node *ni; 1739 struct ieee80211req_sta_txpow txpow; 1740 int error; 1741 1742 if (ireq->i_len != sizeof(txpow)) 1743 return EINVAL; 1744 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1745 if (error != 0) 1746 return error; 1747 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1748 if (ni == NULL) 1749 return ENOENT; 1750 ni->ni_txpower = txpow.it_txpow; 1751 ieee80211_free_node(ni); 1752 return error; 1753 } 1754 1755 static __noinline int 1756 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1757 { 1758 struct ieee80211com *ic = vap->iv_ic; 1759 struct ieee80211_wme_state *wme = &ic->ic_wme; 1760 struct wmeParams *wmep, *chanp; 1761 int isbss, ac; 1762 1763 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1764 return EOPNOTSUPP; 1765 1766 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1767 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1768 if (ac >= WME_NUM_AC) 1769 ac = WME_AC_BE; 1770 if (isbss) { 1771 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1772 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1773 } else { 1774 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1775 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1776 } 1777 switch (ireq->i_type) { 1778 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1779 if (isbss) { 1780 wmep->wmep_logcwmin = ireq->i_val; 1781 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1782 chanp->wmep_logcwmin = ireq->i_val; 1783 } else { 1784 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1785 ireq->i_val; 1786 } 1787 break; 1788 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1789 if (isbss) { 1790 wmep->wmep_logcwmax = ireq->i_val; 1791 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1792 chanp->wmep_logcwmax = ireq->i_val; 1793 } else { 1794 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1795 ireq->i_val; 1796 } 1797 break; 1798 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1799 if (isbss) { 1800 wmep->wmep_aifsn = ireq->i_val; 1801 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1802 chanp->wmep_aifsn = ireq->i_val; 1803 } else { 1804 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1805 } 1806 break; 1807 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1808 if (isbss) { 1809 wmep->wmep_txopLimit = ireq->i_val; 1810 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1811 chanp->wmep_txopLimit = ireq->i_val; 1812 } else { 1813 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1814 ireq->i_val; 1815 } 1816 break; 1817 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1818 wmep->wmep_acm = ireq->i_val; 1819 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1820 chanp->wmep_acm = ireq->i_val; 1821 break; 1822 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1823 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1824 (ireq->i_val) == 0; 1825 break; 1826 } 1827 ieee80211_wme_updateparams(vap); 1828 return 0; 1829 } 1830 1831 static int 1832 find11gchannel(struct ieee80211com *ic, int start, int freq) 1833 { 1834 const struct ieee80211_channel *c; 1835 int i; 1836 1837 for (i = start+1; i < ic->ic_nchans; i++) { 1838 c = &ic->ic_channels[i]; 1839 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1840 return 1; 1841 } 1842 /* NB: should not be needed but in case things are mis-sorted */ 1843 for (i = 0; i < start; i++) { 1844 c = &ic->ic_channels[i]; 1845 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1846 return 1; 1847 } 1848 return 0; 1849 } 1850 1851 static struct ieee80211_channel * 1852 findchannel(struct ieee80211com *ic, int ieee, int mode) 1853 { 1854 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1855 [IEEE80211_MODE_AUTO] = 0, 1856 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1857 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1858 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1859 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1860 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1861 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1862 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1863 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1864 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1865 /* NB: handled specially below */ 1866 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1867 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1868 }; 1869 u_int modeflags; 1870 int i; 1871 1872 modeflags = chanflags[mode]; 1873 for (i = 0; i < ic->ic_nchans; i++) { 1874 struct ieee80211_channel *c = &ic->ic_channels[i]; 1875 1876 if (c->ic_ieee != ieee) 1877 continue; 1878 if (mode == IEEE80211_MODE_AUTO) { 1879 /* ignore turbo channels for autoselect */ 1880 if (IEEE80211_IS_CHAN_TURBO(c)) 1881 continue; 1882 /* 1883 * XXX special-case 11b/g channels so we 1884 * always select the g channel if both 1885 * are present. 1886 * XXX prefer HT to non-HT? 1887 */ 1888 if (!IEEE80211_IS_CHAN_B(c) || 1889 !find11gchannel(ic, i, c->ic_freq)) 1890 return c; 1891 } else { 1892 /* must check HT specially */ 1893 if ((mode == IEEE80211_MODE_11NA || 1894 mode == IEEE80211_MODE_11NG) && 1895 !IEEE80211_IS_CHAN_HT(c)) 1896 continue; 1897 if ((c->ic_flags & modeflags) == modeflags) 1898 return c; 1899 } 1900 } 1901 return NULL; 1902 } 1903 1904 /* 1905 * Check the specified against any desired mode (aka netband). 1906 * This is only used (presently) when operating in hostap mode 1907 * to enforce consistency. 1908 */ 1909 static int 1910 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1911 { 1912 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1913 1914 switch (mode) { 1915 case IEEE80211_MODE_11B: 1916 return (IEEE80211_IS_CHAN_B(c)); 1917 case IEEE80211_MODE_11G: 1918 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1919 case IEEE80211_MODE_11A: 1920 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1921 case IEEE80211_MODE_STURBO_A: 1922 return (IEEE80211_IS_CHAN_STURBO(c)); 1923 case IEEE80211_MODE_11NA: 1924 return (IEEE80211_IS_CHAN_HTA(c)); 1925 case IEEE80211_MODE_11NG: 1926 return (IEEE80211_IS_CHAN_HTG(c)); 1927 } 1928 return 1; 1929 1930 } 1931 1932 /* 1933 * Common code to set the current channel. If the device 1934 * is up and running this may result in an immediate channel 1935 * change or a kick of the state machine. 1936 */ 1937 static int 1938 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1939 { 1940 struct ieee80211com *ic = vap->iv_ic; 1941 int error; 1942 1943 if (c != IEEE80211_CHAN_ANYC) { 1944 if (IEEE80211_IS_CHAN_RADAR(c)) 1945 return EBUSY; /* XXX better code? */ 1946 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1947 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1948 return EINVAL; 1949 if (!check_mode_consistency(c, vap->iv_des_mode)) 1950 return EINVAL; 1951 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1952 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1953 return EINVAL; 1954 } 1955 if (vap->iv_state == IEEE80211_S_RUN && 1956 vap->iv_bss->ni_chan == c) 1957 return 0; /* NB: nothing to do */ 1958 } 1959 vap->iv_des_chan = c; 1960 1961 error = 0; 1962 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1963 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1964 /* 1965 * Monitor mode can switch directly. 1966 */ 1967 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1968 /* XXX need state machine for other vap's to follow */ 1969 ieee80211_setcurchan(ic, vap->iv_des_chan); 1970 vap->iv_bss->ni_chan = ic->ic_curchan; 1971 } else 1972 ic->ic_curchan = vap->iv_des_chan; 1973 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1974 } else { 1975 /* 1976 * Need to go through the state machine in case we 1977 * need to reassociate or the like. The state machine 1978 * will pickup the desired channel and avoid scanning. 1979 */ 1980 if (IS_UP_AUTO(vap)) 1981 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1982 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1983 /* 1984 * When not up+running and a real channel has 1985 * been specified fix the current channel so 1986 * there is immediate feedback; e.g. via ifconfig. 1987 */ 1988 ic->ic_curchan = vap->iv_des_chan; 1989 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1990 } 1991 } 1992 return error; 1993 } 1994 1995 /* 1996 * Old api for setting the current channel; this is 1997 * deprecated because channel numbers are ambiguous. 1998 */ 1999 static __noinline int 2000 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2001 const struct ieee80211req *ireq) 2002 { 2003 struct ieee80211com *ic = vap->iv_ic; 2004 struct ieee80211_channel *c; 2005 2006 /* XXX 0xffff overflows 16-bit signed */ 2007 if (ireq->i_val == 0 || 2008 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2009 c = IEEE80211_CHAN_ANYC; 2010 } else { 2011 struct ieee80211_channel *c2; 2012 2013 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2014 if (c == NULL) { 2015 c = findchannel(ic, ireq->i_val, 2016 IEEE80211_MODE_AUTO); 2017 if (c == NULL) 2018 return EINVAL; 2019 } 2020 /* 2021 * Fine tune channel selection based on desired mode: 2022 * if 11b is requested, find the 11b version of any 2023 * 11g channel returned, 2024 * if static turbo, find the turbo version of any 2025 * 11a channel return, 2026 * if 11na is requested, find the ht version of any 2027 * 11a channel returned, 2028 * if 11ng is requested, find the ht version of any 2029 * 11g channel returned, 2030 * otherwise we should be ok with what we've got. 2031 */ 2032 switch (vap->iv_des_mode) { 2033 case IEEE80211_MODE_11B: 2034 if (IEEE80211_IS_CHAN_ANYG(c)) { 2035 c2 = findchannel(ic, ireq->i_val, 2036 IEEE80211_MODE_11B); 2037 /* NB: should not happen, =>'s 11g w/o 11b */ 2038 if (c2 != NULL) 2039 c = c2; 2040 } 2041 break; 2042 case IEEE80211_MODE_TURBO_A: 2043 if (IEEE80211_IS_CHAN_A(c)) { 2044 c2 = findchannel(ic, ireq->i_val, 2045 IEEE80211_MODE_TURBO_A); 2046 if (c2 != NULL) 2047 c = c2; 2048 } 2049 break; 2050 case IEEE80211_MODE_11NA: 2051 if (IEEE80211_IS_CHAN_A(c)) { 2052 c2 = findchannel(ic, ireq->i_val, 2053 IEEE80211_MODE_11NA); 2054 if (c2 != NULL) 2055 c = c2; 2056 } 2057 break; 2058 case IEEE80211_MODE_11NG: 2059 if (IEEE80211_IS_CHAN_ANYG(c)) { 2060 c2 = findchannel(ic, ireq->i_val, 2061 IEEE80211_MODE_11NG); 2062 if (c2 != NULL) 2063 c = c2; 2064 } 2065 break; 2066 default: /* NB: no static turboG */ 2067 break; 2068 } 2069 } 2070 return setcurchan(vap, c); 2071 } 2072 2073 /* 2074 * New/current api for setting the current channel; a complete 2075 * channel description is provide so there is no ambiguity in 2076 * identifying the channel. 2077 */ 2078 static __noinline int 2079 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2080 const struct ieee80211req *ireq) 2081 { 2082 struct ieee80211com *ic = vap->iv_ic; 2083 struct ieee80211_channel chan, *c; 2084 int error; 2085 2086 if (ireq->i_len != sizeof(chan)) 2087 return EINVAL; 2088 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2089 if (error != 0) 2090 return error; 2091 /* XXX 0xffff overflows 16-bit signed */ 2092 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2093 c = IEEE80211_CHAN_ANYC; 2094 } else { 2095 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2096 if (c == NULL) 2097 return EINVAL; 2098 } 2099 return setcurchan(vap, c); 2100 } 2101 2102 static __noinline int 2103 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2104 const struct ieee80211req *ireq) 2105 { 2106 struct ieee80211_regdomain_req *reg; 2107 int nchans, error; 2108 2109 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2110 sizeof(struct ieee80211_channel)); 2111 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2112 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2113 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2114 ireq->i_len, nchans); 2115 return EINVAL; 2116 } 2117 reg = (struct ieee80211_regdomain_req *) 2118 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT); 2119 if (reg == NULL) { 2120 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2121 "%s: no memory, nchans %d\n", __func__, nchans); 2122 return ENOMEM; 2123 } 2124 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2125 if (error == 0) { 2126 /* NB: validate inline channel count against storage size */ 2127 if (reg->chaninfo.ic_nchans != nchans) { 2128 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2129 "%s: chan cnt mismatch, %d != %d\n", __func__, 2130 reg->chaninfo.ic_nchans, nchans); 2131 error = EINVAL; 2132 } else 2133 error = ieee80211_setregdomain(vap, reg); 2134 } 2135 free(reg, M_TEMP); 2136 2137 return (error == 0 ? ENETRESET : error); 2138 } 2139 2140 static int 2141 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2142 const struct ieee80211req *ireq) 2143 { 2144 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2145 return EINVAL; 2146 /* XXX validate params */ 2147 /* XXX? ENETRESET to push to device? */ 2148 return copyin(ireq->i_data, vap->iv_roamparms, 2149 sizeof(vap->iv_roamparms)); 2150 } 2151 2152 static int 2153 checkrate(const struct ieee80211_rateset *rs, int rate) 2154 { 2155 int i; 2156 2157 if (rate == IEEE80211_FIXED_RATE_NONE) 2158 return 1; 2159 for (i = 0; i < rs->rs_nrates; i++) 2160 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2161 return 1; 2162 return 0; 2163 } 2164 2165 static int 2166 checkmcs(int mcs) 2167 { 2168 if (mcs == IEEE80211_FIXED_RATE_NONE) 2169 return 1; 2170 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2171 return 0; 2172 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2173 } 2174 2175 static __noinline int 2176 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2177 const struct ieee80211req *ireq) 2178 { 2179 struct ieee80211com *ic = vap->iv_ic; 2180 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2181 struct ieee80211_txparam *src, *dst; 2182 const struct ieee80211_rateset *rs; 2183 int error, mode, changed, is11n, nmodes; 2184 2185 /* NB: accept short requests for backwards compat */ 2186 if (ireq->i_len > sizeof(parms)) 2187 return EINVAL; 2188 error = copyin(ireq->i_data, &parms, ireq->i_len); 2189 if (error != 0) 2190 return error; 2191 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2192 changed = 0; 2193 /* validate parameters and check if anything changed */ 2194 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2195 if (isclr(ic->ic_modecaps, mode)) 2196 continue; 2197 src = &parms.params[mode]; 2198 dst = &vap->iv_txparms[mode]; 2199 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2200 is11n = (mode == IEEE80211_MODE_11NA || 2201 mode == IEEE80211_MODE_11NG); 2202 if (src->ucastrate != dst->ucastrate) { 2203 if (!checkrate(rs, src->ucastrate) && 2204 (!is11n || !checkmcs(src->ucastrate))) 2205 return EINVAL; 2206 changed++; 2207 } 2208 if (src->mcastrate != dst->mcastrate) { 2209 if (!checkrate(rs, src->mcastrate) && 2210 (!is11n || !checkmcs(src->mcastrate))) 2211 return EINVAL; 2212 changed++; 2213 } 2214 if (src->mgmtrate != dst->mgmtrate) { 2215 if (!checkrate(rs, src->mgmtrate) && 2216 (!is11n || !checkmcs(src->mgmtrate))) 2217 return EINVAL; 2218 changed++; 2219 } 2220 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2221 changed++; 2222 } 2223 if (changed) { 2224 /* 2225 * Copy new parameters in place and notify the 2226 * driver so it can push state to the device. 2227 */ 2228 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2229 if (isset(ic->ic_modecaps, mode)) 2230 vap->iv_txparms[mode] = parms.params[mode]; 2231 } 2232 /* XXX could be more intelligent, 2233 e.g. don't reset if setting not being used */ 2234 return ENETRESET; 2235 } 2236 return 0; 2237 } 2238 2239 /* 2240 * Application Information Element support. 2241 */ 2242 static int 2243 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2244 { 2245 struct ieee80211_appie *app = *aie; 2246 struct ieee80211_appie *napp; 2247 int error; 2248 2249 if (ireq->i_len == 0) { /* delete any existing ie */ 2250 if (app != NULL) { 2251 *aie = NULL; /* XXX racey */ 2252 free(app, M_80211_NODE_IE); 2253 } 2254 return 0; 2255 } 2256 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2257 return EINVAL; 2258 /* 2259 * Allocate a new appie structure and copy in the user data. 2260 * When done swap in the new structure. Note that we do not 2261 * guard against users holding a ref to the old structure; 2262 * this must be handled outside this code. 2263 * 2264 * XXX bad bad bad 2265 */ 2266 napp = (struct ieee80211_appie *) malloc( 2267 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT); 2268 if (napp == NULL) 2269 return ENOMEM; 2270 /* XXX holding ic lock */ 2271 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2272 if (error) { 2273 free(napp, M_80211_NODE_IE); 2274 return error; 2275 } 2276 napp->ie_len = ireq->i_len; 2277 *aie = napp; 2278 if (app != NULL) 2279 free(app, M_80211_NODE_IE); 2280 return 0; 2281 } 2282 2283 static void 2284 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2285 { 2286 /* validate data is present as best we can */ 2287 if (space == 0 || 2+ie[1] > space) 2288 return; 2289 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2290 vap->iv_wpa_ie = ie; 2291 else if (ie[0] == IEEE80211_ELEMID_RSN) 2292 vap->iv_rsn_ie = ie; 2293 } 2294 2295 static __noinline int 2296 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2297 const struct ieee80211req *ireq, int fc0) 2298 { 2299 int error; 2300 2301 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2302 2303 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2304 case IEEE80211_FC0_SUBTYPE_BEACON: 2305 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2306 vap->iv_opmode != IEEE80211_M_IBSS) { 2307 error = EINVAL; 2308 break; 2309 } 2310 error = setappie(&vap->iv_appie_beacon, ireq); 2311 if (error == 0) 2312 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2313 break; 2314 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2315 error = setappie(&vap->iv_appie_proberesp, ireq); 2316 break; 2317 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2318 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2319 error = setappie(&vap->iv_appie_assocresp, ireq); 2320 else 2321 error = EINVAL; 2322 break; 2323 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2324 error = setappie(&vap->iv_appie_probereq, ireq); 2325 break; 2326 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2327 if (vap->iv_opmode == IEEE80211_M_STA) 2328 error = setappie(&vap->iv_appie_assocreq, ireq); 2329 else 2330 error = EINVAL; 2331 break; 2332 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2333 error = setappie(&vap->iv_appie_wpa, ireq); 2334 if (error == 0) { 2335 /* 2336 * Must split single blob of data into separate 2337 * WPA and RSN ie's because they go in different 2338 * locations in the mgt frames. 2339 * XXX use IEEE80211_IOC_WPA2 so user code does split 2340 */ 2341 vap->iv_wpa_ie = NULL; 2342 vap->iv_rsn_ie = NULL; 2343 if (vap->iv_appie_wpa != NULL) { 2344 struct ieee80211_appie *appie = 2345 vap->iv_appie_wpa; 2346 uint8_t *data = appie->ie_data; 2347 2348 /* XXX ie length validate is painful, cheat */ 2349 setwparsnie(vap, data, appie->ie_len); 2350 setwparsnie(vap, data + 2 + data[1], 2351 appie->ie_len - (2 + data[1])); 2352 } 2353 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2354 vap->iv_opmode == IEEE80211_M_IBSS) { 2355 /* 2356 * Must rebuild beacon frame as the update 2357 * mechanism doesn't handle WPA/RSN ie's. 2358 * Could extend it but it doesn't normally 2359 * change; this is just to deal with hostapd 2360 * plumbing the ie after the interface is up. 2361 */ 2362 error = ENETRESET; 2363 } 2364 } 2365 break; 2366 default: 2367 error = EINVAL; 2368 break; 2369 } 2370 return error; 2371 } 2372 2373 static __noinline int 2374 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2375 const struct ieee80211req *ireq) 2376 { 2377 struct ieee80211com *ic = vap->iv_ic; 2378 int error; 2379 uint8_t fc0; 2380 2381 fc0 = ireq->i_val & 0xff; 2382 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2383 return EINVAL; 2384 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2385 IEEE80211_LOCK(ic); 2386 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2387 IEEE80211_UNLOCK(ic); 2388 return error; 2389 } 2390 2391 static __noinline int 2392 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2393 { 2394 struct ieee80211com *ic = vap->iv_ic; 2395 struct ieee80211_chanswitch_req csr; 2396 struct ieee80211_channel *c; 2397 int error; 2398 2399 if (ireq->i_len != sizeof(csr)) 2400 return EINVAL; 2401 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2402 if (error != 0) 2403 return error; 2404 /* XXX adhoc mode not supported */ 2405 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2406 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2407 return EOPNOTSUPP; 2408 c = ieee80211_find_channel(ic, 2409 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2410 if (c == NULL) 2411 return ENOENT; 2412 IEEE80211_LOCK(ic); 2413 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2414 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2415 else if (csr.csa_count == 0) 2416 ieee80211_csa_cancelswitch(ic); 2417 else 2418 error = EBUSY; 2419 IEEE80211_UNLOCK(ic); 2420 return error; 2421 } 2422 2423 static int 2424 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2425 { 2426 #define IEEE80211_IOC_SCAN_FLAGS \ 2427 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2428 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2429 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2430 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2431 IEEE80211_IOC_SCAN_CHECK) 2432 struct ieee80211com *ic = vap->iv_ic; 2433 int error, i; 2434 2435 /* convert duration */ 2436 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2437 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2438 else { 2439 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2440 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2441 return EINVAL; 2442 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2443 if (sr->sr_duration < 1) 2444 sr->sr_duration = 1; 2445 } 2446 /* convert min/max channel dwell */ 2447 if (sr->sr_mindwell != 0) { 2448 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2449 if (sr->sr_mindwell < 1) 2450 sr->sr_mindwell = 1; 2451 } 2452 if (sr->sr_maxdwell != 0) { 2453 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2454 if (sr->sr_maxdwell < 1) 2455 sr->sr_maxdwell = 1; 2456 } 2457 /* NB: silently reduce ssid count to what is supported */ 2458 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2459 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2460 for (i = 0; i < sr->sr_nssid; i++) 2461 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2462 return EINVAL; 2463 /* cleanse flags just in case, could reject if invalid flags */ 2464 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2465 /* 2466 * Add an implicit NOPICK if the vap is not marked UP. This 2467 * allows applications to scan without joining a bss (or picking 2468 * a channel and setting up a bss) and without forcing manual 2469 * roaming mode--you just need to mark the parent device UP. 2470 */ 2471 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2472 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2473 2474 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2475 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2476 __func__, sr->sr_flags, 2477 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2478 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2479 /* 2480 * If we are in INIT state then the driver has never had a chance 2481 * to setup hardware state to do a scan; we must use the state 2482 * machine to get us up to the SCAN state but once we reach SCAN 2483 * state we then want to use the supplied params. Stash the 2484 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2485 * state machines will recognize this and use the stashed params 2486 * to issue the scan request. 2487 * 2488 * Otherwise just invoke the scan machinery directly. 2489 */ 2490 IEEE80211_LOCK(ic); 2491 if (vap->iv_state == IEEE80211_S_INIT) { 2492 /* NB: clobbers previous settings */ 2493 vap->iv_scanreq_flags = sr->sr_flags; 2494 vap->iv_scanreq_duration = sr->sr_duration; 2495 vap->iv_scanreq_nssid = sr->sr_nssid; 2496 for (i = 0; i < sr->sr_nssid; i++) { 2497 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2498 memcpy(vap->iv_scanreq_ssid[i].ssid, 2499 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2500 } 2501 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2502 IEEE80211_UNLOCK(ic); 2503 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2504 } else { 2505 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2506 IEEE80211_UNLOCK(ic); 2507 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2508 error = ieee80211_check_scan(vap, sr->sr_flags, 2509 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2510 sr->sr_nssid, 2511 /* NB: cheat, we assume structures are compatible */ 2512 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2513 } else { 2514 error = ieee80211_start_scan(vap, sr->sr_flags, 2515 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2516 sr->sr_nssid, 2517 /* NB: cheat, we assume structures are compatible */ 2518 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2519 } 2520 if (error == 0) 2521 return EINPROGRESS; 2522 } 2523 return 0; 2524 #undef IEEE80211_IOC_SCAN_FLAGS 2525 } 2526 2527 static __noinline int 2528 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2529 { 2530 struct ieee80211com *ic = vap->iv_ic; 2531 struct ieee80211_scan_req sr; /* XXX off stack? */ 2532 int error; 2533 2534 /* NB: parent must be running */ 2535 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2536 return ENXIO; 2537 2538 if (ireq->i_len != sizeof(sr)) 2539 return EINVAL; 2540 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2541 if (error != 0) 2542 return error; 2543 return ieee80211_scanreq(vap, &sr); 2544 } 2545 2546 static __noinline int 2547 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2548 { 2549 struct ieee80211_node *ni; 2550 struct ieee80211req_sta_vlan vlan; 2551 int error; 2552 2553 if (ireq->i_len != sizeof(vlan)) 2554 return EINVAL; 2555 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2556 if (error != 0) 2557 return error; 2558 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2559 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2560 vlan.sv_macaddr); 2561 if (ni == NULL) 2562 return ENOENT; 2563 } else 2564 ni = ieee80211_ref_node(vap->iv_bss); 2565 ni->ni_vlan = vlan.sv_vlan; 2566 ieee80211_free_node(ni); 2567 return error; 2568 } 2569 2570 static int 2571 isvap11g(const struct ieee80211vap *vap) 2572 { 2573 const struct ieee80211_node *bss = vap->iv_bss; 2574 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2575 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2576 } 2577 2578 static int 2579 isvapht(const struct ieee80211vap *vap) 2580 { 2581 const struct ieee80211_node *bss = vap->iv_bss; 2582 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2583 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2584 } 2585 2586 /* 2587 * Dummy ioctl set handler so the linker set is defined. 2588 */ 2589 static int 2590 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2591 { 2592 return ENOSYS; 2593 } 2594 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2595 2596 static int 2597 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2598 { 2599 ieee80211_ioctl_setfunc * const *set; 2600 int error; 2601 2602 SET_FOREACH(set, ieee80211_ioctl_setset) { 2603 error = (*set)(vap, ireq); 2604 if (error != ENOSYS) 2605 return error; 2606 } 2607 return EINVAL; 2608 } 2609 2610 static __noinline int 2611 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2612 { 2613 struct ieee80211com *ic = vap->iv_ic; 2614 int error; 2615 const struct ieee80211_authenticator *auth; 2616 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2617 char tmpssid[IEEE80211_NWID_LEN]; 2618 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2619 struct ieee80211_key *k; 2620 u_int kid; 2621 uint32_t flags; 2622 2623 error = 0; 2624 switch (ireq->i_type) { 2625 case IEEE80211_IOC_SSID: 2626 if (ireq->i_val != 0 || 2627 ireq->i_len > IEEE80211_NWID_LEN) 2628 return EINVAL; 2629 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2630 if (error) 2631 break; 2632 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2633 vap->iv_des_ssid[0].len = ireq->i_len; 2634 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2635 vap->iv_des_nssid = (ireq->i_len > 0); 2636 error = ENETRESET; 2637 break; 2638 case IEEE80211_IOC_WEP: 2639 switch (ireq->i_val) { 2640 case IEEE80211_WEP_OFF: 2641 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2642 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2643 break; 2644 case IEEE80211_WEP_ON: 2645 vap->iv_flags |= IEEE80211_F_PRIVACY; 2646 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2647 break; 2648 case IEEE80211_WEP_MIXED: 2649 vap->iv_flags |= IEEE80211_F_PRIVACY; 2650 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2651 break; 2652 } 2653 error = ENETRESET; 2654 break; 2655 case IEEE80211_IOC_WEPKEY: 2656 kid = (u_int) ireq->i_val; 2657 if (kid >= IEEE80211_WEP_NKID) 2658 return EINVAL; 2659 k = &vap->iv_nw_keys[kid]; 2660 if (ireq->i_len == 0) { 2661 /* zero-len =>'s delete any existing key */ 2662 (void) ieee80211_crypto_delkey(vap, k); 2663 break; 2664 } 2665 if (ireq->i_len > sizeof(tmpkey)) 2666 return EINVAL; 2667 memset(tmpkey, 0, sizeof(tmpkey)); 2668 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2669 if (error) 2670 break; 2671 ieee80211_key_update_begin(vap); 2672 k->wk_keyix = kid; /* NB: force fixed key id */ 2673 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2674 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2675 k->wk_keylen = ireq->i_len; 2676 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2677 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2678 if (!ieee80211_crypto_setkey(vap, k)) 2679 error = EINVAL; 2680 } else 2681 error = EINVAL; 2682 ieee80211_key_update_end(vap); 2683 break; 2684 case IEEE80211_IOC_WEPTXKEY: 2685 kid = (u_int) ireq->i_val; 2686 if (kid >= IEEE80211_WEP_NKID && 2687 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2688 return EINVAL; 2689 vap->iv_def_txkey = kid; 2690 break; 2691 case IEEE80211_IOC_AUTHMODE: 2692 switch (ireq->i_val) { 2693 case IEEE80211_AUTH_WPA: 2694 case IEEE80211_AUTH_8021X: /* 802.1x */ 2695 case IEEE80211_AUTH_OPEN: /* open */ 2696 case IEEE80211_AUTH_SHARED: /* shared-key */ 2697 case IEEE80211_AUTH_AUTO: /* auto */ 2698 auth = ieee80211_authenticator_get(ireq->i_val); 2699 if (auth == NULL) 2700 return EINVAL; 2701 break; 2702 default: 2703 return EINVAL; 2704 } 2705 switch (ireq->i_val) { 2706 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2707 vap->iv_flags |= IEEE80211_F_PRIVACY; 2708 ireq->i_val = IEEE80211_AUTH_8021X; 2709 break; 2710 case IEEE80211_AUTH_OPEN: /* open */ 2711 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2712 break; 2713 case IEEE80211_AUTH_SHARED: /* shared-key */ 2714 case IEEE80211_AUTH_8021X: /* 802.1x */ 2715 vap->iv_flags &= ~IEEE80211_F_WPA; 2716 /* both require a key so mark the PRIVACY capability */ 2717 vap->iv_flags |= IEEE80211_F_PRIVACY; 2718 break; 2719 case IEEE80211_AUTH_AUTO: /* auto */ 2720 vap->iv_flags &= ~IEEE80211_F_WPA; 2721 /* XXX PRIVACY handling? */ 2722 /* XXX what's the right way to do this? */ 2723 break; 2724 } 2725 /* NB: authenticator attach/detach happens on state change */ 2726 vap->iv_bss->ni_authmode = ireq->i_val; 2727 /* XXX mixed/mode/usage? */ 2728 vap->iv_auth = auth; 2729 error = ENETRESET; 2730 break; 2731 case IEEE80211_IOC_CHANNEL: 2732 error = ieee80211_ioctl_setchannel(vap, ireq); 2733 break; 2734 case IEEE80211_IOC_POWERSAVE: 2735 switch (ireq->i_val) { 2736 case IEEE80211_POWERSAVE_OFF: 2737 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2738 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2739 error = ERESTART; 2740 } 2741 break; 2742 case IEEE80211_POWERSAVE_ON: 2743 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2744 error = EOPNOTSUPP; 2745 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2746 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2747 error = ERESTART; 2748 } 2749 break; 2750 default: 2751 error = EINVAL; 2752 break; 2753 } 2754 break; 2755 case IEEE80211_IOC_POWERSAVESLEEP: 2756 if (ireq->i_val < 0) 2757 return EINVAL; 2758 ic->ic_lintval = ireq->i_val; 2759 error = ERESTART; 2760 break; 2761 case IEEE80211_IOC_RTSTHRESHOLD: 2762 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2763 ireq->i_val <= IEEE80211_RTS_MAX)) 2764 return EINVAL; 2765 vap->iv_rtsthreshold = ireq->i_val; 2766 error = ERESTART; 2767 break; 2768 case IEEE80211_IOC_PROTMODE: 2769 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2770 return EINVAL; 2771 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2772 /* NB: if not operating in 11g this can wait */ 2773 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2774 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2775 error = ERESTART; 2776 break; 2777 case IEEE80211_IOC_TXPOWER: 2778 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2779 return EOPNOTSUPP; 2780 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2781 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2782 return EINVAL; 2783 ic->ic_txpowlimit = ireq->i_val; 2784 error = ERESTART; 2785 break; 2786 case IEEE80211_IOC_ROAMING: 2787 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2788 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2789 return EINVAL; 2790 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2791 /* XXXX reset? */ 2792 break; 2793 case IEEE80211_IOC_PRIVACY: 2794 if (ireq->i_val) { 2795 /* XXX check for key state? */ 2796 vap->iv_flags |= IEEE80211_F_PRIVACY; 2797 } else 2798 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2799 /* XXX ERESTART? */ 2800 break; 2801 case IEEE80211_IOC_DROPUNENCRYPTED: 2802 if (ireq->i_val) 2803 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2804 else 2805 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2806 /* XXX ERESTART? */ 2807 break; 2808 case IEEE80211_IOC_WPAKEY: 2809 error = ieee80211_ioctl_setkey(vap, ireq); 2810 break; 2811 case IEEE80211_IOC_DELKEY: 2812 error = ieee80211_ioctl_delkey(vap, ireq); 2813 break; 2814 case IEEE80211_IOC_MLME: 2815 error = ieee80211_ioctl_setmlme(vap, ireq); 2816 break; 2817 case IEEE80211_IOC_COUNTERMEASURES: 2818 if (ireq->i_val) { 2819 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2820 return EOPNOTSUPP; 2821 vap->iv_flags |= IEEE80211_F_COUNTERM; 2822 } else 2823 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2824 /* XXX ERESTART? */ 2825 break; 2826 case IEEE80211_IOC_WPA: 2827 if (ireq->i_val > 3) 2828 return EINVAL; 2829 /* XXX verify ciphers available */ 2830 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2831 switch (ireq->i_val) { 2832 case 1: 2833 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2834 return EOPNOTSUPP; 2835 flags |= IEEE80211_F_WPA1; 2836 break; 2837 case 2: 2838 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2839 return EOPNOTSUPP; 2840 flags |= IEEE80211_F_WPA2; 2841 break; 2842 case 3: 2843 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2844 return EOPNOTSUPP; 2845 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2846 break; 2847 default: /* Can't set any -> error */ 2848 return EOPNOTSUPP; 2849 } 2850 vap->iv_flags = flags; 2851 error = ERESTART; /* NB: can change beacon frame */ 2852 break; 2853 case IEEE80211_IOC_WME: 2854 if (ireq->i_val) { 2855 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2856 return EOPNOTSUPP; 2857 ieee80211_syncflag(vap, IEEE80211_F_WME); 2858 } else 2859 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2860 error = ERESTART; /* NB: can change beacon frame */ 2861 break; 2862 case IEEE80211_IOC_HIDESSID: 2863 if (ireq->i_val) 2864 vap->iv_flags |= IEEE80211_F_HIDESSID; 2865 else 2866 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2867 error = ERESTART; /* XXX ENETRESET? */ 2868 break; 2869 case IEEE80211_IOC_APBRIDGE: 2870 if (ireq->i_val == 0) 2871 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2872 else 2873 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2874 break; 2875 case IEEE80211_IOC_BSSID: 2876 if (ireq->i_len != sizeof(tmpbssid)) 2877 return EINVAL; 2878 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2879 if (error) 2880 break; 2881 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2882 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2883 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2884 else 2885 vap->iv_flags |= IEEE80211_F_DESBSSID; 2886 error = ENETRESET; 2887 break; 2888 case IEEE80211_IOC_CHANLIST: 2889 error = ieee80211_ioctl_setchanlist(vap, ireq); 2890 break; 2891 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2892 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2893 case OLD_IEEE80211_IOC_SCAN_REQ: 2894 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2895 "%s: active scan request\n", __func__); 2896 /* 2897 * If we are in INIT state then the driver has never 2898 * had a chance to setup hardware state to do a scan; 2899 * use the state machine to get us up the SCAN state. 2900 * Otherwise just invoke the scan machinery to start 2901 * a one-time scan. 2902 */ 2903 if (vap->iv_state == IEEE80211_S_INIT) 2904 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2905 else 2906 (void) ieee80211_start_scan(vap, 2907 IEEE80211_SCAN_ACTIVE | 2908 IEEE80211_SCAN_NOPICK | 2909 IEEE80211_SCAN_ONCE, 2910 IEEE80211_SCAN_FOREVER, 0, 0, 2911 /* XXX use ioctl params */ 2912 vap->iv_des_nssid, vap->iv_des_ssid); 2913 break; 2914 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2915 case IEEE80211_IOC_SCAN_REQ: 2916 error = ieee80211_ioctl_scanreq(vap, ireq); 2917 break; 2918 case IEEE80211_IOC_SCAN_CANCEL: 2919 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2920 "%s: cancel scan\n", __func__); 2921 ieee80211_cancel_scan(vap); 2922 break; 2923 case IEEE80211_IOC_HTCONF: 2924 if (ireq->i_val & 1) 2925 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2926 else 2927 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2928 if (ireq->i_val & 2) 2929 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2930 else 2931 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2932 error = ENETRESET; 2933 break; 2934 case IEEE80211_IOC_ADDMAC: 2935 case IEEE80211_IOC_DELMAC: 2936 error = ieee80211_ioctl_macmac(vap, ireq); 2937 break; 2938 case IEEE80211_IOC_MACCMD: 2939 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2940 break; 2941 case IEEE80211_IOC_STA_STATS: 2942 error = ieee80211_ioctl_setstastats(vap, ireq); 2943 break; 2944 case IEEE80211_IOC_STA_TXPOW: 2945 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2946 break; 2947 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2948 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2949 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2950 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2951 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2952 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2953 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2954 break; 2955 case IEEE80211_IOC_DTIM_PERIOD: 2956 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2957 vap->iv_opmode != IEEE80211_M_MBSS && 2958 vap->iv_opmode != IEEE80211_M_IBSS) 2959 return EINVAL; 2960 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2961 ireq->i_val <= IEEE80211_DTIM_MAX) { 2962 vap->iv_dtim_period = ireq->i_val; 2963 error = ENETRESET; /* requires restart */ 2964 } else 2965 error = EINVAL; 2966 break; 2967 case IEEE80211_IOC_BEACON_INTERVAL: 2968 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2969 vap->iv_opmode != IEEE80211_M_MBSS && 2970 vap->iv_opmode != IEEE80211_M_IBSS) 2971 return EINVAL; 2972 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2973 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2974 ic->ic_bintval = ireq->i_val; 2975 error = ENETRESET; /* requires restart */ 2976 } else 2977 error = EINVAL; 2978 break; 2979 case IEEE80211_IOC_PUREG: 2980 if (ireq->i_val) 2981 vap->iv_flags |= IEEE80211_F_PUREG; 2982 else 2983 vap->iv_flags &= ~IEEE80211_F_PUREG; 2984 /* NB: reset only if we're operating on an 11g channel */ 2985 if (isvap11g(vap)) 2986 error = ENETRESET; 2987 break; 2988 case IEEE80211_IOC_QUIET: 2989 vap->iv_quiet= ireq->i_val; 2990 break; 2991 case IEEE80211_IOC_QUIET_COUNT: 2992 vap->iv_quiet_count=ireq->i_val; 2993 break; 2994 case IEEE80211_IOC_QUIET_PERIOD: 2995 vap->iv_quiet_period=ireq->i_val; 2996 break; 2997 case IEEE80211_IOC_QUIET_OFFSET: 2998 vap->iv_quiet_offset=ireq->i_val; 2999 break; 3000 case IEEE80211_IOC_QUIET_DUR: 3001 if(ireq->i_val < vap->iv_bss->ni_intval) 3002 vap->iv_quiet_duration = ireq->i_val; 3003 else 3004 error = EINVAL; 3005 break; 3006 case IEEE80211_IOC_BGSCAN: 3007 if (ireq->i_val) { 3008 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3009 return EOPNOTSUPP; 3010 vap->iv_flags |= IEEE80211_F_BGSCAN; 3011 } else 3012 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3013 break; 3014 case IEEE80211_IOC_BGSCAN_IDLE: 3015 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3016 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3017 else 3018 error = EINVAL; 3019 break; 3020 case IEEE80211_IOC_BGSCAN_INTERVAL: 3021 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3022 vap->iv_bgscanintvl = ireq->i_val*hz; 3023 else 3024 error = EINVAL; 3025 break; 3026 case IEEE80211_IOC_SCANVALID: 3027 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3028 vap->iv_scanvalid = ireq->i_val*hz; 3029 else 3030 error = EINVAL; 3031 break; 3032 case IEEE80211_IOC_FRAGTHRESHOLD: 3033 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3034 ireq->i_val != IEEE80211_FRAG_MAX) 3035 return EOPNOTSUPP; 3036 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3037 ireq->i_val <= IEEE80211_FRAG_MAX)) 3038 return EINVAL; 3039 vap->iv_fragthreshold = ireq->i_val; 3040 error = ERESTART; 3041 break; 3042 case IEEE80211_IOC_BURST: 3043 if (ireq->i_val) { 3044 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3045 return EOPNOTSUPP; 3046 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3047 } else 3048 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3049 error = ERESTART; 3050 break; 3051 case IEEE80211_IOC_BMISSTHRESHOLD: 3052 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3053 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3054 return EINVAL; 3055 vap->iv_bmissthreshold = ireq->i_val; 3056 error = ERESTART; 3057 break; 3058 case IEEE80211_IOC_CURCHAN: 3059 error = ieee80211_ioctl_setcurchan(vap, ireq); 3060 break; 3061 case IEEE80211_IOC_SHORTGI: 3062 if (ireq->i_val) { 3063 #define IEEE80211_HTCAP_SHORTGI \ 3064 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3065 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3066 return EINVAL; 3067 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3068 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3069 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3070 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3071 #undef IEEE80211_HTCAP_SHORTGI 3072 } else 3073 vap->iv_flags_ht &= 3074 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3075 error = ERESTART; 3076 break; 3077 case IEEE80211_IOC_AMPDU: 3078 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3079 return EINVAL; 3080 if (ireq->i_val & 1) 3081 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3082 else 3083 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3084 if (ireq->i_val & 2) 3085 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3086 else 3087 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3088 /* NB: reset only if we're operating on an 11n channel */ 3089 if (isvapht(vap)) 3090 error = ERESTART; 3091 break; 3092 case IEEE80211_IOC_AMPDU_LIMIT: 3093 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3094 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3095 return EINVAL; 3096 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3097 vap->iv_ampdu_rxmax = ireq->i_val; 3098 else 3099 vap->iv_ampdu_limit = ireq->i_val; 3100 error = ERESTART; 3101 break; 3102 case IEEE80211_IOC_AMPDU_DENSITY: 3103 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3104 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3105 return EINVAL; 3106 vap->iv_ampdu_density = ireq->i_val; 3107 error = ERESTART; 3108 break; 3109 case IEEE80211_IOC_AMSDU: 3110 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3111 return EINVAL; 3112 if (ireq->i_val & 1) 3113 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3114 else 3115 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3116 if (ireq->i_val & 2) 3117 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3118 else 3119 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3120 /* NB: reset only if we're operating on an 11n channel */ 3121 if (isvapht(vap)) 3122 error = ERESTART; 3123 break; 3124 case IEEE80211_IOC_AMSDU_LIMIT: 3125 /* XXX validate */ 3126 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3127 break; 3128 case IEEE80211_IOC_PUREN: 3129 if (ireq->i_val) { 3130 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3131 return EINVAL; 3132 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3133 } else 3134 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3135 /* NB: reset only if we're operating on an 11n channel */ 3136 if (isvapht(vap)) 3137 error = ERESTART; 3138 break; 3139 case IEEE80211_IOC_DOTH: 3140 if (ireq->i_val) { 3141 #if 0 3142 /* XXX no capability */ 3143 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3144 return EOPNOTSUPP; 3145 #endif 3146 vap->iv_flags |= IEEE80211_F_DOTH; 3147 } else 3148 vap->iv_flags &= ~IEEE80211_F_DOTH; 3149 error = ENETRESET; 3150 break; 3151 case IEEE80211_IOC_REGDOMAIN: 3152 error = ieee80211_ioctl_setregdomain(vap, ireq); 3153 break; 3154 case IEEE80211_IOC_ROAM: 3155 error = ieee80211_ioctl_setroam(vap, ireq); 3156 break; 3157 case IEEE80211_IOC_TXPARAMS: 3158 error = ieee80211_ioctl_settxparams(vap, ireq); 3159 break; 3160 case IEEE80211_IOC_HTCOMPAT: 3161 if (ireq->i_val) { 3162 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3163 return EOPNOTSUPP; 3164 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3165 } else 3166 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3167 /* NB: reset only if we're operating on an 11n channel */ 3168 if (isvapht(vap)) 3169 error = ERESTART; 3170 break; 3171 case IEEE80211_IOC_DWDS: 3172 if (ireq->i_val) { 3173 /* NB: DWDS only makes sense for WDS-capable devices */ 3174 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3175 return EOPNOTSUPP; 3176 /* NB: DWDS is used only with ap+sta vaps */ 3177 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3178 vap->iv_opmode != IEEE80211_M_STA) 3179 return EINVAL; 3180 vap->iv_flags |= IEEE80211_F_DWDS; 3181 if (vap->iv_opmode == IEEE80211_M_STA) 3182 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3183 } else { 3184 vap->iv_flags &= ~IEEE80211_F_DWDS; 3185 if (vap->iv_opmode == IEEE80211_M_STA) 3186 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3187 } 3188 break; 3189 case IEEE80211_IOC_INACTIVITY: 3190 if (ireq->i_val) 3191 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3192 else 3193 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3194 break; 3195 case IEEE80211_IOC_APPIE: 3196 error = ieee80211_ioctl_setappie(vap, ireq); 3197 break; 3198 case IEEE80211_IOC_WPS: 3199 if (ireq->i_val) { 3200 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3201 return EOPNOTSUPP; 3202 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3203 } else 3204 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3205 break; 3206 case IEEE80211_IOC_TSN: 3207 if (ireq->i_val) { 3208 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3209 return EOPNOTSUPP; 3210 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3211 } else 3212 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3213 break; 3214 case IEEE80211_IOC_CHANSWITCH: 3215 error = ieee80211_ioctl_chanswitch(vap, ireq); 3216 break; 3217 case IEEE80211_IOC_DFS: 3218 if (ireq->i_val) { 3219 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3220 return EOPNOTSUPP; 3221 /* NB: DFS requires 11h support */ 3222 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3223 return EINVAL; 3224 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3225 } else 3226 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3227 break; 3228 case IEEE80211_IOC_DOTD: 3229 if (ireq->i_val) 3230 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3231 else 3232 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3233 if (vap->iv_opmode == IEEE80211_M_STA) 3234 error = ENETRESET; 3235 break; 3236 case IEEE80211_IOC_HTPROTMODE: 3237 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3238 return EINVAL; 3239 ic->ic_htprotmode = ireq->i_val ? 3240 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3241 /* NB: if not operating in 11n this can wait */ 3242 if (isvapht(vap)) 3243 error = ERESTART; 3244 break; 3245 case IEEE80211_IOC_STA_VLAN: 3246 error = ieee80211_ioctl_setstavlan(vap, ireq); 3247 break; 3248 case IEEE80211_IOC_SMPS: 3249 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3250 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3251 return EINVAL; 3252 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3253 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3254 return EOPNOTSUPP; 3255 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3256 ireq->i_val; 3257 /* NB: if not operating in 11n this can wait */ 3258 if (isvapht(vap)) 3259 error = ERESTART; 3260 break; 3261 case IEEE80211_IOC_RIFS: 3262 if (ireq->i_val != 0) { 3263 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3264 return EOPNOTSUPP; 3265 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3266 } else 3267 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3268 /* NB: if not operating in 11n this can wait */ 3269 if (isvapht(vap)) 3270 error = ERESTART; 3271 break; 3272 default: 3273 error = ieee80211_ioctl_setdefault(vap, ireq); 3274 break; 3275 } 3276 /* 3277 * The convention is that ENETRESET means an operation 3278 * requires a complete re-initialization of the device (e.g. 3279 * changing something that affects the association state). 3280 * ERESTART means the request may be handled with only a 3281 * reload of the hardware state. We hand ERESTART requests 3282 * to the iv_reset callback so the driver can decide. If 3283 * a device does not fillin iv_reset then it defaults to one 3284 * that returns ENETRESET. Otherwise a driver may return 3285 * ENETRESET (in which case a full reset will be done) or 3286 * 0 to mean there's no need to do anything (e.g. when the 3287 * change has no effect on the driver/device). 3288 */ 3289 if (error == ERESTART) 3290 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3291 vap->iv_reset(vap, ireq->i_type) : 0; 3292 if (error == ENETRESET) { 3293 /* XXX need to re-think AUTO handling */ 3294 if (IS_UP_AUTO(vap)) 3295 ieee80211_init(vap); 3296 error = 0; 3297 } 3298 return error; 3299 } 3300 3301 /* 3302 * Rebuild the parent's multicast address list after an add/del 3303 * of a multicast address for a vap. We have no way to tell 3304 * what happened above to optimize the work so we purge the entire 3305 * list and rebuild from scratch. This is way expensive. 3306 * Note also the half-baked workaround for if_addmulti calling 3307 * back to the parent device; there's no way to insert mcast 3308 * entries quietly and/or cheaply. 3309 */ 3310 static void 3311 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3312 { 3313 struct ifnet *parent = ic->ic_ifp; 3314 struct ieee80211vap *vap; 3315 void *ioctl; 3316 3317 IEEE80211_LOCK(ic); 3318 if_delallmulti(parent); 3319 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3320 parent->if_ioctl = NULL; 3321 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3322 struct ifnet *ifp = vap->iv_ifp; 3323 struct ifmultiaddr *ifma; 3324 3325 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3326 if (ifma->ifma_addr->sa_family != AF_LINK) 3327 continue; 3328 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3329 } 3330 } 3331 parent->if_ioctl = ioctl; 3332 ieee80211_runtask(ic, &ic->ic_mcast_task); 3333 IEEE80211_UNLOCK(ic); 3334 } 3335 3336 int 3337 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3338 { 3339 struct ieee80211vap *vap = ifp->if_softc; 3340 struct ieee80211com *ic = vap->iv_ic; 3341 int error = 0; 3342 struct ifreq *ifr; 3343 struct ifaddr *ifa; /* XXX */ 3344 3345 switch (cmd) { 3346 case SIOCSIFFLAGS: 3347 IEEE80211_LOCK(ic); 3348 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3349 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3350 if (ifp->if_flags & IFF_UP) { 3351 /* 3352 * Bring ourself up unless we're already operational. 3353 * If we're the first vap and the parent is not up 3354 * then it will automatically be brought up as a 3355 * side-effect of bringing ourself up. 3356 */ 3357 if (vap->iv_state == IEEE80211_S_INIT) 3358 ieee80211_start_locked(vap); 3359 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3360 /* 3361 * Stop ourself. If we are the last vap to be 3362 * marked down the parent will also be taken down. 3363 */ 3364 ieee80211_stop_locked(vap); 3365 } 3366 IEEE80211_UNLOCK(ic); 3367 /* Wait for parent ioctl handler if it was queued */ 3368 ieee80211_waitfor_parent(ic); 3369 break; 3370 case SIOCADDMULTI: 3371 case SIOCDELMULTI: 3372 ieee80211_ioctl_updatemulti(ic); 3373 break; 3374 case SIOCSIFMEDIA: 3375 case SIOCGIFMEDIA: 3376 ifr = (struct ifreq *)data; 3377 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3378 break; 3379 case SIOCG80211: 3380 error = ieee80211_ioctl_get80211(vap, cmd, 3381 (struct ieee80211req *) data); 3382 break; 3383 case SIOCS80211: 3384 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3385 if (error == 0) 3386 error = ieee80211_ioctl_set80211(vap, cmd, 3387 (struct ieee80211req *) data); 3388 break; 3389 case SIOCG80211STATS: 3390 ifr = (struct ifreq *)data; 3391 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3392 break; 3393 case SIOCSIFMTU: 3394 ifr = (struct ifreq *)data; 3395 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3396 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3397 error = EINVAL; 3398 else 3399 ifp->if_mtu = ifr->ifr_mtu; 3400 break; 3401 case SIOCSIFADDR: 3402 /* 3403 * XXX Handle this directly so we can supress if_init calls. 3404 * XXX This should be done in ether_ioctl but for the moment 3405 * XXX there are too many other parts of the system that 3406 * XXX set IFF_UP and so supress if_init being called when 3407 * XXX it should be. 3408 */ 3409 ifa = (struct ifaddr *) data; 3410 switch (ifa->ifa_addr->sa_family) { 3411 #ifdef INET 3412 case AF_INET: 3413 if ((ifp->if_flags & IFF_UP) == 0) { 3414 ifp->if_flags |= IFF_UP; 3415 ifp->if_init(ifp->if_softc); 3416 } 3417 arp_ifinit(ifp, ifa); 3418 break; 3419 #endif 3420 #ifdef IPX 3421 /* 3422 * XXX - This code is probably wrong, 3423 * but has been copied many times. 3424 */ 3425 case AF_IPX: { 3426 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3427 3428 if (ipx_nullhost(*ina)) 3429 ina->x_host = *(union ipx_host *) 3430 IF_LLADDR(ifp); 3431 else 3432 bcopy((caddr_t) ina->x_host.c_host, 3433 (caddr_t) IF_LLADDR(ifp), 3434 ETHER_ADDR_LEN); 3435 /* fall thru... */ 3436 } 3437 #endif 3438 default: 3439 if ((ifp->if_flags & IFF_UP) == 0) { 3440 ifp->if_flags |= IFF_UP; 3441 ifp->if_init(ifp->if_softc); 3442 } 3443 break; 3444 } 3445 break; 3446 /* Pass NDIS ioctls up to the driver */ 3447 case SIOCGDRVSPEC: 3448 case SIOCSDRVSPEC: 3449 case SIOCGPRIVATE_0: { 3450 struct ifnet *parent = vap->iv_ic->ic_ifp; 3451 error = parent->if_ioctl(parent, cmd, data); 3452 break; 3453 } 3454 default: 3455 error = ether_ioctl(ifp, cmd, data); 3456 break; 3457 } 3458 return error; 3459 } 3460