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_var.h> 48 #include <net/if_dl.h> 49 #include <net/if_media.h> 50 #include <net/ethernet.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #ifdef IPX 58 #include <netipx/ipx.h> 59 #include <netipx/ipx_if.h> 60 #endif 61 62 #include <net80211/ieee80211_var.h> 63 #include <net80211/ieee80211_ioctl.h> 64 #include <net80211/ieee80211_regdomain.h> 65 #include <net80211/ieee80211_input.h> 66 67 #define IS_UP_AUTO(_vap) \ 68 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 69 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 70 71 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 72 static struct ieee80211_channel *findchannel(struct ieee80211com *, 73 int ieee, int mode); 74 static int ieee80211_scanreq(struct ieee80211vap *, 75 struct ieee80211_scan_req *); 76 77 static __noinline int 78 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 79 { 80 struct ieee80211com *ic = vap->iv_ic; 81 struct ieee80211_node *ni; 82 struct ieee80211req_key ik; 83 struct ieee80211_key *wk; 84 const struct ieee80211_cipher *cip; 85 u_int kid; 86 int error; 87 88 if (ireq->i_len != sizeof(ik)) 89 return EINVAL; 90 error = copyin(ireq->i_data, &ik, sizeof(ik)); 91 if (error) 92 return error; 93 kid = ik.ik_keyix; 94 if (kid == IEEE80211_KEYIX_NONE) { 95 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 96 if (ni == NULL) 97 return ENOENT; 98 wk = &ni->ni_ucastkey; 99 } else { 100 if (kid >= IEEE80211_WEP_NKID) 101 return EINVAL; 102 wk = &vap->iv_nw_keys[kid]; 103 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 104 ni = NULL; 105 } 106 cip = wk->wk_cipher; 107 ik.ik_type = cip->ic_cipher; 108 ik.ik_keylen = wk->wk_keylen; 109 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 110 if (wk->wk_keyix == vap->iv_def_txkey) 111 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 112 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 113 /* NB: only root can read key data */ 114 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 115 ik.ik_keytsc = wk->wk_keytsc; 116 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 117 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 118 memcpy(ik.ik_keydata+wk->wk_keylen, 119 wk->wk_key + IEEE80211_KEYBUF_SIZE, 120 IEEE80211_MICBUF_SIZE); 121 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 122 } 123 } else { 124 ik.ik_keyrsc = 0; 125 ik.ik_keytsc = 0; 126 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 127 } 128 if (ni != NULL) 129 ieee80211_free_node(ni); 130 return copyout(&ik, ireq->i_data, sizeof(ik)); 131 } 132 133 static __noinline int 134 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 135 { 136 struct ieee80211com *ic = vap->iv_ic; 137 138 if (sizeof(ic->ic_chan_active) < ireq->i_len) 139 ireq->i_len = sizeof(ic->ic_chan_active); 140 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 141 } 142 143 static __noinline int 144 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 145 { 146 struct ieee80211com *ic = vap->iv_ic; 147 uint32_t space; 148 149 space = __offsetof(struct ieee80211req_chaninfo, 150 ic_chans[ic->ic_nchans]); 151 if (space > ireq->i_len) 152 space = ireq->i_len; 153 /* XXX assumes compatible layout */ 154 return copyout(&ic->ic_nchans, ireq->i_data, space); 155 } 156 157 static __noinline int 158 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 159 struct ieee80211req *ireq, int req) 160 { 161 struct ieee80211_node *ni; 162 struct ieee80211req_wpaie2 wpaie; 163 int error; 164 165 if (ireq->i_len < IEEE80211_ADDR_LEN) 166 return EINVAL; 167 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 168 if (error != 0) 169 return error; 170 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 171 if (ni == NULL) 172 return ENOENT; 173 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 174 if (ni->ni_ies.wpa_ie != NULL) { 175 int ielen = ni->ni_ies.wpa_ie[1] + 2; 176 if (ielen > sizeof(wpaie.wpa_ie)) 177 ielen = sizeof(wpaie.wpa_ie); 178 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 179 } 180 if (req == IEEE80211_IOC_WPAIE2) { 181 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 182 if (ni->ni_ies.rsn_ie != NULL) { 183 int ielen = ni->ni_ies.rsn_ie[1] + 2; 184 if (ielen > sizeof(wpaie.rsn_ie)) 185 ielen = sizeof(wpaie.rsn_ie); 186 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 187 } 188 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 189 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 190 } else { 191 /* compatibility op, may overwrite wpa ie */ 192 /* XXX check ic_flags? */ 193 if (ni->ni_ies.rsn_ie != NULL) { 194 int ielen = ni->ni_ies.rsn_ie[1] + 2; 195 if (ielen > sizeof(wpaie.wpa_ie)) 196 ielen = sizeof(wpaie.wpa_ie); 197 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 198 } 199 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 200 ireq->i_len = sizeof(struct ieee80211req_wpaie); 201 } 202 ieee80211_free_node(ni); 203 return copyout(&wpaie, ireq->i_data, ireq->i_len); 204 } 205 206 static __noinline int 207 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 208 { 209 struct ieee80211_node *ni; 210 uint8_t macaddr[IEEE80211_ADDR_LEN]; 211 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 212 int error; 213 214 if (ireq->i_len < off) 215 return EINVAL; 216 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 217 if (error != 0) 218 return error; 219 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 220 if (ni == NULL) 221 return ENOENT; 222 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 223 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 224 /* NB: copy out only the statistics */ 225 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 226 ireq->i_len - off); 227 ieee80211_free_node(ni); 228 return error; 229 } 230 231 struct scanreq { 232 struct ieee80211req_scan_result *sr; 233 size_t space; 234 }; 235 236 static size_t 237 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 238 { 239 size_t len; 240 241 *ielen = se->se_ies.len; 242 /* 243 * NB: ie's can be no more than 255 bytes and the max 802.11 244 * packet is <3Kbytes so we are sure this doesn't overflow 245 * 16-bits; if this is a concern we can drop the ie's. 246 */ 247 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 248 se->se_meshid[1] + *ielen; 249 return roundup(len, sizeof(uint32_t)); 250 } 251 252 static void 253 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 254 { 255 struct scanreq *req = arg; 256 int ielen; 257 258 req->space += scan_space(se, &ielen); 259 } 260 261 static __noinline void 262 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 263 { 264 struct scanreq *req = arg; 265 struct ieee80211req_scan_result *sr; 266 int ielen, len, nr, nxr; 267 uint8_t *cp; 268 269 len = scan_space(se, &ielen); 270 if (len > req->space) 271 return; 272 273 sr = req->sr; 274 KASSERT(len <= 65535 && ielen <= 65535, 275 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 276 sr->isr_len = len; 277 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 278 sr->isr_ie_len = ielen; 279 sr->isr_freq = se->se_chan->ic_freq; 280 sr->isr_flags = se->se_chan->ic_flags; 281 sr->isr_rssi = se->se_rssi; 282 sr->isr_noise = se->se_noise; 283 sr->isr_intval = se->se_intval; 284 sr->isr_capinfo = se->se_capinfo; 285 sr->isr_erp = se->se_erp; 286 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 287 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 288 memcpy(sr->isr_rates, se->se_rates+2, nr); 289 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 290 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 291 sr->isr_nrates = nr + nxr; 292 293 /* copy SSID */ 294 sr->isr_ssid_len = se->se_ssid[1]; 295 cp = ((uint8_t *)sr) + sr->isr_ie_off; 296 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 297 298 /* copy mesh id */ 299 cp += sr->isr_ssid_len; 300 sr->isr_meshid_len = se->se_meshid[1]; 301 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 302 cp += sr->isr_meshid_len; 303 304 if (ielen) 305 memcpy(cp, se->se_ies.data, ielen); 306 307 req->space -= len; 308 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 309 } 310 311 static __noinline int 312 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 313 struct ieee80211req *ireq) 314 { 315 struct scanreq req; 316 int error; 317 318 if (ireq->i_len < sizeof(struct scanreq)) 319 return EFAULT; 320 321 error = 0; 322 req.space = 0; 323 ieee80211_scan_iterate(vap, get_scan_space, &req); 324 if (req.space > ireq->i_len) 325 req.space = ireq->i_len; 326 if (req.space > 0) { 327 uint32_t space; 328 void *p; 329 330 space = req.space; 331 /* XXX M_WAITOK after driver lock released */ 332 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 333 if (p == NULL) 334 return ENOMEM; 335 req.sr = p; 336 ieee80211_scan_iterate(vap, get_scan_result, &req); 337 ireq->i_len = space - req.space; 338 error = copyout(p, ireq->i_data, ireq->i_len); 339 free(p, M_TEMP); 340 } else 341 ireq->i_len = 0; 342 343 return error; 344 } 345 346 struct stainforeq { 347 struct ieee80211vap *vap; 348 struct ieee80211req_sta_info *si; 349 size_t space; 350 }; 351 352 static size_t 353 sta_space(const struct ieee80211_node *ni, size_t *ielen) 354 { 355 *ielen = ni->ni_ies.len; 356 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 357 sizeof(uint32_t)); 358 } 359 360 static void 361 get_sta_space(void *arg, struct ieee80211_node *ni) 362 { 363 struct stainforeq *req = arg; 364 size_t ielen; 365 366 if (req->vap != ni->ni_vap) 367 return; 368 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 369 ni->ni_associd == 0) /* only associated stations */ 370 return; 371 req->space += sta_space(ni, &ielen); 372 } 373 374 static __noinline void 375 get_sta_info(void *arg, struct ieee80211_node *ni) 376 { 377 struct stainforeq *req = arg; 378 struct ieee80211vap *vap = ni->ni_vap; 379 struct ieee80211req_sta_info *si; 380 size_t ielen, len; 381 uint8_t *cp; 382 383 if (req->vap != ni->ni_vap) 384 return; 385 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 386 ni->ni_associd == 0) /* only associated stations */ 387 return; 388 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 389 return; 390 len = sta_space(ni, &ielen); 391 if (len > req->space) 392 return; 393 si = req->si; 394 si->isi_len = len; 395 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 396 si->isi_ie_len = ielen; 397 si->isi_freq = ni->ni_chan->ic_freq; 398 si->isi_flags = ni->ni_chan->ic_flags; 399 si->isi_state = ni->ni_flags; 400 si->isi_authmode = ni->ni_authmode; 401 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 402 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 403 si->isi_capinfo = ni->ni_capinfo; 404 si->isi_erp = ni->ni_erp; 405 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 406 si->isi_nrates = ni->ni_rates.rs_nrates; 407 if (si->isi_nrates > 15) 408 si->isi_nrates = 15; 409 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 410 si->isi_txrate = ni->ni_txrate; 411 if (si->isi_txrate & IEEE80211_RATE_MCS) { 412 const struct ieee80211_mcs_rates *mcs = 413 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 414 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 415 if (ni->ni_flags & IEEE80211_NODE_SGI40) 416 si->isi_txmbps = mcs->ht40_rate_800ns; 417 else 418 si->isi_txmbps = mcs->ht40_rate_400ns; 419 } else { 420 if (ni->ni_flags & IEEE80211_NODE_SGI20) 421 si->isi_txmbps = mcs->ht20_rate_800ns; 422 else 423 si->isi_txmbps = mcs->ht20_rate_400ns; 424 } 425 } else 426 si->isi_txmbps = si->isi_txrate; 427 si->isi_associd = ni->ni_associd; 428 si->isi_txpower = ni->ni_txpower; 429 si->isi_vlan = ni->ni_vlan; 430 if (ni->ni_flags & IEEE80211_NODE_QOS) { 431 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 432 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 433 } else { 434 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 435 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 436 } 437 /* NB: leave all cases in case we relax ni_associd == 0 check */ 438 if (ieee80211_node_is_authorized(ni)) 439 si->isi_inact = vap->iv_inact_run; 440 else if (ni->ni_associd != 0 || 441 (vap->iv_opmode == IEEE80211_M_WDS && 442 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 443 si->isi_inact = vap->iv_inact_auth; 444 else 445 si->isi_inact = vap->iv_inact_init; 446 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 447 si->isi_localid = ni->ni_mllid; 448 si->isi_peerid = ni->ni_mlpid; 449 si->isi_peerstate = ni->ni_mlstate; 450 451 if (ielen) { 452 cp = ((uint8_t *)si) + si->isi_ie_off; 453 memcpy(cp, ni->ni_ies.data, ielen); 454 } 455 456 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 457 req->space -= len; 458 } 459 460 static __noinline int 461 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 462 struct ieee80211_node *ni, size_t off) 463 { 464 struct ieee80211com *ic = vap->iv_ic; 465 struct stainforeq req; 466 size_t space; 467 void *p; 468 int error; 469 470 error = 0; 471 req.space = 0; 472 req.vap = vap; 473 if (ni == NULL) 474 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 475 else 476 get_sta_space(&req, ni); 477 if (req.space > ireq->i_len) 478 req.space = ireq->i_len; 479 if (req.space > 0) { 480 space = req.space; 481 /* XXX M_WAITOK after driver lock released */ 482 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 483 if (p == NULL) { 484 error = ENOMEM; 485 goto bad; 486 } 487 req.si = p; 488 if (ni == NULL) 489 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 490 else 491 get_sta_info(&req, ni); 492 ireq->i_len = space - req.space; 493 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 494 free(p, M_TEMP); 495 } else 496 ireq->i_len = 0; 497 bad: 498 if (ni != NULL) 499 ieee80211_free_node(ni); 500 return error; 501 } 502 503 static __noinline int 504 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 505 { 506 uint8_t macaddr[IEEE80211_ADDR_LEN]; 507 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 508 struct ieee80211_node *ni; 509 int error; 510 511 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 512 return EFAULT; 513 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 514 if (error != 0) 515 return error; 516 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 517 ni = NULL; 518 } else { 519 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 520 if (ni == NULL) 521 return ENOENT; 522 } 523 return getstainfo_common(vap, ireq, ni, off); 524 } 525 526 static __noinline int 527 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 528 { 529 struct ieee80211_node *ni; 530 struct ieee80211req_sta_txpow txpow; 531 int error; 532 533 if (ireq->i_len != sizeof(txpow)) 534 return EINVAL; 535 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 536 if (error != 0) 537 return error; 538 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 539 if (ni == NULL) 540 return ENOENT; 541 txpow.it_txpow = ni->ni_txpower; 542 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 543 ieee80211_free_node(ni); 544 return error; 545 } 546 547 static __noinline int 548 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 549 { 550 struct ieee80211com *ic = vap->iv_ic; 551 struct ieee80211_wme_state *wme = &ic->ic_wme; 552 struct wmeParams *wmep; 553 int ac; 554 555 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 556 return EINVAL; 557 558 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 559 if (ac >= WME_NUM_AC) 560 ac = WME_AC_BE; 561 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 562 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 563 else 564 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 565 switch (ireq->i_type) { 566 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 567 ireq->i_val = wmep->wmep_logcwmin; 568 break; 569 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 570 ireq->i_val = wmep->wmep_logcwmax; 571 break; 572 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 573 ireq->i_val = wmep->wmep_aifsn; 574 break; 575 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 576 ireq->i_val = wmep->wmep_txopLimit; 577 break; 578 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 579 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 580 ireq->i_val = wmep->wmep_acm; 581 break; 582 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 583 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 584 ireq->i_val = !wmep->wmep_noackPolicy; 585 break; 586 } 587 return 0; 588 } 589 590 static __noinline int 591 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 592 { 593 const struct ieee80211_aclator *acl = vap->iv_acl; 594 595 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 596 } 597 598 static __noinline int 599 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 600 { 601 struct ieee80211com *ic = vap->iv_ic; 602 struct ieee80211_channel *c; 603 604 if (ireq->i_len != sizeof(struct ieee80211_channel)) 605 return EINVAL; 606 /* 607 * vap's may have different operating channels when HT is 608 * in use. When in RUN state report the vap-specific channel. 609 * Otherwise return curchan. 610 */ 611 if (vap->iv_state == IEEE80211_S_RUN) 612 c = vap->iv_bss->ni_chan; 613 else 614 c = ic->ic_curchan; 615 return copyout(c, ireq->i_data, sizeof(*c)); 616 } 617 618 static int 619 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 620 { 621 if (aie == NULL) 622 return EINVAL; 623 /* NB: truncate, caller can check length */ 624 if (ireq->i_len > aie->ie_len) 625 ireq->i_len = aie->ie_len; 626 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 627 } 628 629 static int 630 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 631 { 632 uint8_t fc0; 633 634 fc0 = ireq->i_val & 0xff; 635 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 636 return EINVAL; 637 /* NB: could check iv_opmode and reject but hardly worth the effort */ 638 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 639 case IEEE80211_FC0_SUBTYPE_BEACON: 640 return getappie(vap->iv_appie_beacon, ireq); 641 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 642 return getappie(vap->iv_appie_proberesp, ireq); 643 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 644 return getappie(vap->iv_appie_assocresp, ireq); 645 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 646 return getappie(vap->iv_appie_probereq, ireq); 647 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 648 return getappie(vap->iv_appie_assocreq, ireq); 649 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 650 return getappie(vap->iv_appie_wpa, ireq); 651 } 652 return EINVAL; 653 } 654 655 static __noinline int 656 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 657 const struct ieee80211req *ireq) 658 { 659 struct ieee80211com *ic = vap->iv_ic; 660 661 if (ireq->i_len != sizeof(ic->ic_regdomain)) 662 return EINVAL; 663 return copyout(&ic->ic_regdomain, ireq->i_data, 664 sizeof(ic->ic_regdomain)); 665 } 666 667 static __noinline int 668 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 669 const struct ieee80211req *ireq) 670 { 671 size_t len = ireq->i_len; 672 /* NB: accept short requests for backwards compat */ 673 if (len > sizeof(vap->iv_roamparms)) 674 len = sizeof(vap->iv_roamparms); 675 return copyout(vap->iv_roamparms, ireq->i_data, len); 676 } 677 678 static __noinline int 679 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 680 const struct ieee80211req *ireq) 681 { 682 size_t len = ireq->i_len; 683 /* NB: accept short requests for backwards compat */ 684 if (len > sizeof(vap->iv_txparms)) 685 len = sizeof(vap->iv_txparms); 686 return copyout(vap->iv_txparms, ireq->i_data, len); 687 } 688 689 static __noinline int 690 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 691 const struct ieee80211req *ireq) 692 { 693 struct ieee80211_devcaps_req *dc; 694 struct ieee80211req_chaninfo *ci; 695 int maxchans, error; 696 697 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 698 sizeof(struct ieee80211_channel)); 699 /* NB: require 1 so we know ic_nchans is accessible */ 700 if (maxchans < 1) 701 return EINVAL; 702 /* constrain max request size, 2K channels is ~24Kbytes */ 703 if (maxchans > 2048) 704 maxchans = 2048; 705 dc = (struct ieee80211_devcaps_req *) 706 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO); 707 if (dc == NULL) 708 return ENOMEM; 709 dc->dc_drivercaps = ic->ic_caps; 710 dc->dc_cryptocaps = ic->ic_cryptocaps; 711 dc->dc_htcaps = ic->ic_htcaps; 712 ci = &dc->dc_chaninfo; 713 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 714 KASSERT(ci->ic_nchans <= maxchans, 715 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 716 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 717 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 718 free(dc, M_TEMP); 719 return error; 720 } 721 722 static __noinline int 723 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 724 { 725 struct ieee80211_node *ni; 726 struct ieee80211req_sta_vlan vlan; 727 int error; 728 729 if (ireq->i_len != sizeof(vlan)) 730 return EINVAL; 731 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 732 if (error != 0) 733 return error; 734 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 735 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 736 vlan.sv_macaddr); 737 if (ni == NULL) 738 return ENOENT; 739 } else 740 ni = ieee80211_ref_node(vap->iv_bss); 741 vlan.sv_vlan = ni->ni_vlan; 742 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 743 ieee80211_free_node(ni); 744 return error; 745 } 746 747 /* 748 * Dummy ioctl get handler so the linker set is defined. 749 */ 750 static int 751 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 752 { 753 return ENOSYS; 754 } 755 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 756 757 static int 758 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 759 { 760 ieee80211_ioctl_getfunc * const *get; 761 int error; 762 763 SET_FOREACH(get, ieee80211_ioctl_getset) { 764 error = (*get)(vap, ireq); 765 if (error != ENOSYS) 766 return error; 767 } 768 return EINVAL; 769 } 770 771 /* 772 * When building the kernel with -O2 on the i386 architecture, gcc 773 * seems to want to inline this function into ieee80211_ioctl() 774 * (which is the only routine that calls it). When this happens, 775 * ieee80211_ioctl() ends up consuming an additional 2K of stack 776 * space. (Exactly why it needs so much is unclear.) The problem 777 * is that it's possible for ieee80211_ioctl() to invoke other 778 * routines (including driver init functions) which could then find 779 * themselves perilously close to exhausting the stack. 780 * 781 * To avoid this, we deliberately prevent gcc from inlining this 782 * routine. Another way to avoid this is to use less agressive 783 * optimization when compiling this file (i.e. -O instead of -O2) 784 * but special-casing the compilation of this one module in the 785 * build system would be awkward. 786 */ 787 static __noinline int 788 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 789 struct ieee80211req *ireq) 790 { 791 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 792 struct ieee80211com *ic = vap->iv_ic; 793 u_int kid, len; 794 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 795 char tmpssid[IEEE80211_NWID_LEN]; 796 int error = 0; 797 798 switch (ireq->i_type) { 799 case IEEE80211_IOC_SSID: 800 switch (vap->iv_state) { 801 case IEEE80211_S_INIT: 802 case IEEE80211_S_SCAN: 803 ireq->i_len = vap->iv_des_ssid[0].len; 804 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 805 break; 806 default: 807 ireq->i_len = vap->iv_bss->ni_esslen; 808 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 809 break; 810 } 811 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 812 break; 813 case IEEE80211_IOC_NUMSSIDS: 814 ireq->i_val = 1; 815 break; 816 case IEEE80211_IOC_WEP: 817 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 818 ireq->i_val = IEEE80211_WEP_OFF; 819 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 820 ireq->i_val = IEEE80211_WEP_ON; 821 else 822 ireq->i_val = IEEE80211_WEP_MIXED; 823 break; 824 case IEEE80211_IOC_WEPKEY: 825 kid = (u_int) ireq->i_val; 826 if (kid >= IEEE80211_WEP_NKID) 827 return EINVAL; 828 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 829 /* NB: only root can read WEP keys */ 830 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 831 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 832 } else { 833 bzero(tmpkey, len); 834 } 835 ireq->i_len = len; 836 error = copyout(tmpkey, ireq->i_data, len); 837 break; 838 case IEEE80211_IOC_NUMWEPKEYS: 839 ireq->i_val = IEEE80211_WEP_NKID; 840 break; 841 case IEEE80211_IOC_WEPTXKEY: 842 ireq->i_val = vap->iv_def_txkey; 843 break; 844 case IEEE80211_IOC_AUTHMODE: 845 if (vap->iv_flags & IEEE80211_F_WPA) 846 ireq->i_val = IEEE80211_AUTH_WPA; 847 else 848 ireq->i_val = vap->iv_bss->ni_authmode; 849 break; 850 case IEEE80211_IOC_CHANNEL: 851 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 852 break; 853 case IEEE80211_IOC_POWERSAVE: 854 if (vap->iv_flags & IEEE80211_F_PMGTON) 855 ireq->i_val = IEEE80211_POWERSAVE_ON; 856 else 857 ireq->i_val = IEEE80211_POWERSAVE_OFF; 858 break; 859 case IEEE80211_IOC_POWERSAVESLEEP: 860 ireq->i_val = ic->ic_lintval; 861 break; 862 case IEEE80211_IOC_RTSTHRESHOLD: 863 ireq->i_val = vap->iv_rtsthreshold; 864 break; 865 case IEEE80211_IOC_PROTMODE: 866 ireq->i_val = ic->ic_protmode; 867 break; 868 case IEEE80211_IOC_TXPOWER: 869 /* 870 * Tx power limit is the min of max regulatory 871 * power, any user-set limit, and the max the 872 * radio can do. 873 */ 874 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 875 if (ireq->i_val > ic->ic_txpowlimit) 876 ireq->i_val = ic->ic_txpowlimit; 877 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 878 ireq->i_val = ic->ic_curchan->ic_maxpower; 879 break; 880 case IEEE80211_IOC_WPA: 881 switch (vap->iv_flags & IEEE80211_F_WPA) { 882 case IEEE80211_F_WPA1: 883 ireq->i_val = 1; 884 break; 885 case IEEE80211_F_WPA2: 886 ireq->i_val = 2; 887 break; 888 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 889 ireq->i_val = 3; 890 break; 891 default: 892 ireq->i_val = 0; 893 break; 894 } 895 break; 896 case IEEE80211_IOC_CHANLIST: 897 error = ieee80211_ioctl_getchanlist(vap, ireq); 898 break; 899 case IEEE80211_IOC_ROAMING: 900 ireq->i_val = vap->iv_roaming; 901 break; 902 case IEEE80211_IOC_PRIVACY: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 904 break; 905 case IEEE80211_IOC_DROPUNENCRYPTED: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 907 break; 908 case IEEE80211_IOC_COUNTERMEASURES: 909 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 910 break; 911 case IEEE80211_IOC_WME: 912 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 913 break; 914 case IEEE80211_IOC_HIDESSID: 915 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 916 break; 917 case IEEE80211_IOC_APBRIDGE: 918 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 919 break; 920 case IEEE80211_IOC_WPAKEY: 921 error = ieee80211_ioctl_getkey(vap, ireq); 922 break; 923 case IEEE80211_IOC_CHANINFO: 924 error = ieee80211_ioctl_getchaninfo(vap, ireq); 925 break; 926 case IEEE80211_IOC_BSSID: 927 if (ireq->i_len != IEEE80211_ADDR_LEN) 928 return EINVAL; 929 if (vap->iv_state == IEEE80211_S_RUN) { 930 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 931 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 932 ireq->i_data, ireq->i_len); 933 } else 934 error = copyout(vap->iv_des_bssid, ireq->i_data, 935 ireq->i_len); 936 break; 937 case IEEE80211_IOC_WPAIE: 938 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 939 break; 940 case IEEE80211_IOC_WPAIE2: 941 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 942 break; 943 case IEEE80211_IOC_SCAN_RESULTS: 944 error = ieee80211_ioctl_getscanresults(vap, ireq); 945 break; 946 case IEEE80211_IOC_STA_STATS: 947 error = ieee80211_ioctl_getstastats(vap, ireq); 948 break; 949 case IEEE80211_IOC_TXPOWMAX: 950 ireq->i_val = vap->iv_bss->ni_txpower; 951 break; 952 case IEEE80211_IOC_STA_TXPOW: 953 error = ieee80211_ioctl_getstatxpow(vap, ireq); 954 break; 955 case IEEE80211_IOC_STA_INFO: 956 error = ieee80211_ioctl_getstainfo(vap, ireq); 957 break; 958 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 959 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 960 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 961 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 962 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 963 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 964 error = ieee80211_ioctl_getwmeparam(vap, ireq); 965 break; 966 case IEEE80211_IOC_DTIM_PERIOD: 967 ireq->i_val = vap->iv_dtim_period; 968 break; 969 case IEEE80211_IOC_BEACON_INTERVAL: 970 /* NB: get from ic_bss for station mode */ 971 ireq->i_val = vap->iv_bss->ni_intval; 972 break; 973 case IEEE80211_IOC_PUREG: 974 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 975 break; 976 case IEEE80211_IOC_QUIET: 977 ireq->i_val = vap->iv_quiet; 978 break; 979 case IEEE80211_IOC_QUIET_COUNT: 980 ireq->i_val = vap->iv_quiet_count; 981 break; 982 case IEEE80211_IOC_QUIET_PERIOD: 983 ireq->i_val = vap->iv_quiet_period; 984 break; 985 case IEEE80211_IOC_QUIET_DUR: 986 ireq->i_val = vap->iv_quiet_duration; 987 break; 988 case IEEE80211_IOC_QUIET_OFFSET: 989 ireq->i_val = vap->iv_quiet_offset; 990 break; 991 case IEEE80211_IOC_BGSCAN: 992 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 993 break; 994 case IEEE80211_IOC_BGSCAN_IDLE: 995 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 996 break; 997 case IEEE80211_IOC_BGSCAN_INTERVAL: 998 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 999 break; 1000 case IEEE80211_IOC_SCANVALID: 1001 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 1002 break; 1003 case IEEE80211_IOC_FRAGTHRESHOLD: 1004 ireq->i_val = vap->iv_fragthreshold; 1005 break; 1006 case IEEE80211_IOC_MACCMD: 1007 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1008 break; 1009 case IEEE80211_IOC_BURST: 1010 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1011 break; 1012 case IEEE80211_IOC_BMISSTHRESHOLD: 1013 ireq->i_val = vap->iv_bmissthreshold; 1014 break; 1015 case IEEE80211_IOC_CURCHAN: 1016 error = ieee80211_ioctl_getcurchan(vap, ireq); 1017 break; 1018 case IEEE80211_IOC_SHORTGI: 1019 ireq->i_val = 0; 1020 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1021 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1022 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1023 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1024 break; 1025 case IEEE80211_IOC_AMPDU: 1026 ireq->i_val = 0; 1027 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1028 ireq->i_val |= 1; 1029 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1030 ireq->i_val |= 2; 1031 break; 1032 case IEEE80211_IOC_AMPDU_LIMIT: 1033 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1034 ireq->i_val = vap->iv_ampdu_rxmax; 1035 else if (vap->iv_state == IEEE80211_S_RUN) 1036 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1037 IEEE80211_HTCAP_MAXRXAMPDU); 1038 else 1039 ireq->i_val = vap->iv_ampdu_limit; 1040 break; 1041 case IEEE80211_IOC_AMPDU_DENSITY: 1042 if (vap->iv_opmode == IEEE80211_M_STA && 1043 vap->iv_state == IEEE80211_S_RUN) 1044 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1045 IEEE80211_HTCAP_MPDUDENSITY); 1046 else 1047 ireq->i_val = vap->iv_ampdu_density; 1048 break; 1049 case IEEE80211_IOC_AMSDU: 1050 ireq->i_val = 0; 1051 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1052 ireq->i_val |= 1; 1053 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1054 ireq->i_val |= 2; 1055 break; 1056 case IEEE80211_IOC_AMSDU_LIMIT: 1057 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1058 break; 1059 case IEEE80211_IOC_PUREN: 1060 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1061 break; 1062 case IEEE80211_IOC_DOTH: 1063 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1064 break; 1065 case IEEE80211_IOC_REGDOMAIN: 1066 error = ieee80211_ioctl_getregdomain(vap, ireq); 1067 break; 1068 case IEEE80211_IOC_ROAM: 1069 error = ieee80211_ioctl_getroam(vap, ireq); 1070 break; 1071 case IEEE80211_IOC_TXPARAMS: 1072 error = ieee80211_ioctl_gettxparams(vap, ireq); 1073 break; 1074 case IEEE80211_IOC_HTCOMPAT: 1075 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1076 break; 1077 case IEEE80211_IOC_DWDS: 1078 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1079 break; 1080 case IEEE80211_IOC_INACTIVITY: 1081 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1082 break; 1083 case IEEE80211_IOC_APPIE: 1084 error = ieee80211_ioctl_getappie(vap, ireq); 1085 break; 1086 case IEEE80211_IOC_WPS: 1087 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1088 break; 1089 case IEEE80211_IOC_TSN: 1090 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1091 break; 1092 case IEEE80211_IOC_DFS: 1093 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1094 break; 1095 case IEEE80211_IOC_DOTD: 1096 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1097 break; 1098 case IEEE80211_IOC_DEVCAPS: 1099 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1100 break; 1101 case IEEE80211_IOC_HTPROTMODE: 1102 ireq->i_val = ic->ic_htprotmode; 1103 break; 1104 case IEEE80211_IOC_HTCONF: 1105 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1106 ireq->i_val = 1; 1107 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1108 ireq->i_val |= 2; 1109 } else 1110 ireq->i_val = 0; 1111 break; 1112 case IEEE80211_IOC_STA_VLAN: 1113 error = ieee80211_ioctl_getstavlan(vap, ireq); 1114 break; 1115 case IEEE80211_IOC_SMPS: 1116 if (vap->iv_opmode == IEEE80211_M_STA && 1117 vap->iv_state == IEEE80211_S_RUN) { 1118 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1119 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1120 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1121 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1122 else 1123 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1124 } else 1125 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1126 break; 1127 case IEEE80211_IOC_RIFS: 1128 if (vap->iv_opmode == IEEE80211_M_STA && 1129 vap->iv_state == IEEE80211_S_RUN) 1130 ireq->i_val = 1131 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1132 else 1133 ireq->i_val = 1134 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1135 break; 1136 default: 1137 error = ieee80211_ioctl_getdefault(vap, ireq); 1138 break; 1139 } 1140 return error; 1141 #undef MS 1142 } 1143 1144 static __noinline int 1145 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1146 { 1147 struct ieee80211req_key ik; 1148 struct ieee80211_node *ni; 1149 struct ieee80211_key *wk; 1150 uint16_t kid; 1151 int error, i; 1152 1153 if (ireq->i_len != sizeof(ik)) 1154 return EINVAL; 1155 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1156 if (error) 1157 return error; 1158 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1159 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1160 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1161 return E2BIG; 1162 kid = ik.ik_keyix; 1163 if (kid == IEEE80211_KEYIX_NONE) { 1164 /* XXX unicast keys currently must be tx/rx */ 1165 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1166 return EINVAL; 1167 if (vap->iv_opmode == IEEE80211_M_STA) { 1168 ni = ieee80211_ref_node(vap->iv_bss); 1169 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1170 ieee80211_free_node(ni); 1171 return EADDRNOTAVAIL; 1172 } 1173 } else { 1174 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1175 ik.ik_macaddr); 1176 if (ni == NULL) 1177 return ENOENT; 1178 } 1179 wk = &ni->ni_ucastkey; 1180 } else { 1181 if (kid >= IEEE80211_WEP_NKID) 1182 return EINVAL; 1183 wk = &vap->iv_nw_keys[kid]; 1184 /* 1185 * Global slots start off w/o any assigned key index. 1186 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1187 */ 1188 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1189 wk->wk_keyix = kid; 1190 ni = NULL; 1191 } 1192 error = 0; 1193 ieee80211_key_update_begin(vap); 1194 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1195 wk->wk_keylen = ik.ik_keylen; 1196 /* NB: MIC presence is implied by cipher type */ 1197 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1198 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1199 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1200 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1201 wk->wk_keytsc = 0; /* new key, reset */ 1202 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1203 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1204 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1205 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1206 if (!ieee80211_crypto_setkey(vap, wk)) 1207 error = EIO; 1208 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1209 vap->iv_def_txkey = kid; 1210 } else 1211 error = ENXIO; 1212 ieee80211_key_update_end(vap); 1213 if (ni != NULL) 1214 ieee80211_free_node(ni); 1215 return error; 1216 } 1217 1218 static __noinline int 1219 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1220 { 1221 struct ieee80211req_del_key dk; 1222 int kid, error; 1223 1224 if (ireq->i_len != sizeof(dk)) 1225 return EINVAL; 1226 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1227 if (error) 1228 return error; 1229 kid = dk.idk_keyix; 1230 /* XXX uint8_t -> uint16_t */ 1231 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1232 struct ieee80211_node *ni; 1233 1234 if (vap->iv_opmode == IEEE80211_M_STA) { 1235 ni = ieee80211_ref_node(vap->iv_bss); 1236 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1237 ieee80211_free_node(ni); 1238 return EADDRNOTAVAIL; 1239 } 1240 } else { 1241 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1242 dk.idk_macaddr); 1243 if (ni == NULL) 1244 return ENOENT; 1245 } 1246 /* XXX error return */ 1247 ieee80211_node_delucastkey(ni); 1248 ieee80211_free_node(ni); 1249 } else { 1250 if (kid >= IEEE80211_WEP_NKID) 1251 return EINVAL; 1252 /* XXX error return */ 1253 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1254 } 1255 return 0; 1256 } 1257 1258 struct mlmeop { 1259 struct ieee80211vap *vap; 1260 int op; 1261 int reason; 1262 }; 1263 1264 static void 1265 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1266 int op, int reason) 1267 { 1268 #ifdef IEEE80211_DEBUG 1269 static const struct { 1270 int mask; 1271 const char *opstr; 1272 } ops[] = { 1273 { 0, "op#0" }, 1274 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1275 IEEE80211_MSG_ASSOC, "assoc" }, 1276 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1277 IEEE80211_MSG_ASSOC, "disassoc" }, 1278 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1279 IEEE80211_MSG_AUTH, "deauth" }, 1280 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1281 IEEE80211_MSG_AUTH, "authorize" }, 1282 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1283 IEEE80211_MSG_AUTH, "unauthorize" }, 1284 }; 1285 1286 if (op == IEEE80211_MLME_AUTH) { 1287 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1288 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1289 "station authenticate %s via MLME (reason %d)", 1290 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1291 reason); 1292 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1293 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1294 "unknown MLME request %d (reason %d)", op, reason); 1295 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1296 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1297 "station %s via MLME", ops[op].opstr); 1298 } else { 1299 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1300 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1301 } 1302 #endif /* IEEE80211_DEBUG */ 1303 } 1304 1305 static void 1306 domlme(void *arg, struct ieee80211_node *ni) 1307 { 1308 struct mlmeop *mop = arg; 1309 struct ieee80211vap *vap = ni->ni_vap; 1310 1311 if (vap != mop->vap) 1312 return; 1313 /* 1314 * NB: if ni_associd is zero then the node is already cleaned 1315 * up and we don't need to do this (we're safely holding a 1316 * reference but should otherwise not modify it's state). 1317 */ 1318 if (ni->ni_associd == 0) 1319 return; 1320 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1321 if (mop->op == IEEE80211_MLME_DEAUTH) { 1322 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1323 mop->reason); 1324 } else { 1325 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1326 mop->reason); 1327 } 1328 ieee80211_node_leave(ni); 1329 } 1330 1331 static int 1332 setmlme_dropsta(struct ieee80211vap *vap, 1333 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1334 { 1335 struct ieee80211com *ic = vap->iv_ic; 1336 struct ieee80211_node_table *nt = &ic->ic_sta; 1337 struct ieee80211_node *ni; 1338 int error = 0; 1339 1340 /* NB: the broadcast address means do 'em all */ 1341 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1342 IEEE80211_NODE_LOCK(nt); 1343 ni = ieee80211_find_node_locked(nt, mac); 1344 IEEE80211_NODE_UNLOCK(nt); 1345 /* 1346 * Don't do the node update inside the node 1347 * table lock. This unfortunately causes LORs 1348 * with drivers and their TX paths. 1349 */ 1350 if (ni != NULL) { 1351 domlme(mlmeop, ni); 1352 ieee80211_free_node(ni); 1353 } else 1354 error = ENOENT; 1355 } else { 1356 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1357 } 1358 return error; 1359 } 1360 1361 static __noinline int 1362 setmlme_common(struct ieee80211vap *vap, int op, 1363 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1364 { 1365 struct ieee80211com *ic = vap->iv_ic; 1366 struct ieee80211_node_table *nt = &ic->ic_sta; 1367 struct ieee80211_node *ni; 1368 struct mlmeop mlmeop; 1369 int error; 1370 1371 error = 0; 1372 switch (op) { 1373 case IEEE80211_MLME_DISASSOC: 1374 case IEEE80211_MLME_DEAUTH: 1375 switch (vap->iv_opmode) { 1376 case IEEE80211_M_STA: 1377 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1378 /* XXX not quite right */ 1379 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1380 break; 1381 case IEEE80211_M_HOSTAP: 1382 mlmeop.vap = vap; 1383 mlmeop.op = op; 1384 mlmeop.reason = reason; 1385 error = setmlme_dropsta(vap, mac, &mlmeop); 1386 break; 1387 case IEEE80211_M_WDS: 1388 /* XXX user app should send raw frame? */ 1389 if (op != IEEE80211_MLME_DEAUTH) { 1390 error = EINVAL; 1391 break; 1392 } 1393 #if 0 1394 /* XXX accept any address, simplifies user code */ 1395 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1396 error = EINVAL; 1397 break; 1398 } 1399 #endif 1400 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1401 ni = ieee80211_ref_node(vap->iv_bss); 1402 IEEE80211_SEND_MGMT(ni, 1403 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1404 ieee80211_free_node(ni); 1405 break; 1406 case IEEE80211_M_MBSS: 1407 IEEE80211_NODE_LOCK(nt); 1408 ni = ieee80211_find_node_locked(nt, mac); 1409 /* 1410 * Don't do the node update inside the node 1411 * table lock. This unfortunately causes LORs 1412 * with drivers and their TX paths. 1413 */ 1414 IEEE80211_NODE_UNLOCK(nt); 1415 if (ni != NULL) { 1416 ieee80211_node_leave(ni); 1417 ieee80211_free_node(ni); 1418 } else { 1419 error = ENOENT; 1420 } 1421 break; 1422 default: 1423 error = EINVAL; 1424 break; 1425 } 1426 break; 1427 case IEEE80211_MLME_AUTHORIZE: 1428 case IEEE80211_MLME_UNAUTHORIZE: 1429 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1430 vap->iv_opmode != IEEE80211_M_WDS) { 1431 error = EINVAL; 1432 break; 1433 } 1434 IEEE80211_NODE_LOCK(nt); 1435 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1436 /* 1437 * Don't do the node update inside the node 1438 * table lock. This unfortunately causes LORs 1439 * with drivers and their TX paths. 1440 */ 1441 IEEE80211_NODE_UNLOCK(nt); 1442 if (ni != NULL) { 1443 mlmedebug(vap, mac, op, reason); 1444 if (op == IEEE80211_MLME_AUTHORIZE) 1445 ieee80211_node_authorize(ni); 1446 else 1447 ieee80211_node_unauthorize(ni); 1448 ieee80211_free_node(ni); 1449 } else 1450 error = ENOENT; 1451 break; 1452 case IEEE80211_MLME_AUTH: 1453 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1454 error = EINVAL; 1455 break; 1456 } 1457 IEEE80211_NODE_LOCK(nt); 1458 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1459 /* 1460 * Don't do the node update inside the node 1461 * table lock. This unfortunately causes LORs 1462 * with drivers and their TX paths. 1463 */ 1464 IEEE80211_NODE_UNLOCK(nt); 1465 if (ni != NULL) { 1466 mlmedebug(vap, mac, op, reason); 1467 if (reason == IEEE80211_STATUS_SUCCESS) { 1468 IEEE80211_SEND_MGMT(ni, 1469 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1470 /* 1471 * For shared key auth, just continue the 1472 * exchange. Otherwise when 802.1x is not in 1473 * use mark the port authorized at this point 1474 * so traffic can flow. 1475 */ 1476 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1477 ni->ni_challenge == NULL) 1478 ieee80211_node_authorize(ni); 1479 } else { 1480 vap->iv_stats.is_rx_acl++; 1481 ieee80211_send_error(ni, ni->ni_macaddr, 1482 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1483 ieee80211_node_leave(ni); 1484 } 1485 ieee80211_free_node(ni); 1486 } else 1487 error = ENOENT; 1488 break; 1489 default: 1490 error = EINVAL; 1491 break; 1492 } 1493 return error; 1494 } 1495 1496 struct scanlookup { 1497 const uint8_t *mac; 1498 int esslen; 1499 const uint8_t *essid; 1500 const struct ieee80211_scan_entry *se; 1501 }; 1502 1503 /* 1504 * Match mac address and any ssid. 1505 */ 1506 static void 1507 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1508 { 1509 struct scanlookup *look = arg; 1510 1511 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1512 return; 1513 if (look->esslen != 0) { 1514 if (se->se_ssid[1] != look->esslen) 1515 return; 1516 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1517 return; 1518 } 1519 look->se = se; 1520 } 1521 1522 static __noinline int 1523 setmlme_assoc_sta(struct ieee80211vap *vap, 1524 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1525 const uint8_t ssid[IEEE80211_NWID_LEN]) 1526 { 1527 struct scanlookup lookup; 1528 1529 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1530 ("expected opmode STA not %s", 1531 ieee80211_opmode_name[vap->iv_opmode])); 1532 1533 /* NB: this is racey if roaming is !manual */ 1534 lookup.se = NULL; 1535 lookup.mac = mac; 1536 lookup.esslen = ssid_len; 1537 lookup.essid = ssid; 1538 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1539 if (lookup.se == NULL) 1540 return ENOENT; 1541 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1542 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1543 return EIO; /* XXX unique but could be better */ 1544 return 0; 1545 } 1546 1547 static __noinline int 1548 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1549 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1550 const uint8_t ssid[IEEE80211_NWID_LEN]) 1551 { 1552 struct ieee80211_scan_req sr; 1553 1554 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1555 vap->iv_opmode == IEEE80211_M_AHDEMO, 1556 ("expected opmode IBSS or AHDEMO not %s", 1557 ieee80211_opmode_name[vap->iv_opmode])); 1558 1559 if (ssid_len == 0) 1560 return EINVAL; 1561 1562 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1563 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1564 vap->iv_des_ssid[0].len = ssid_len; 1565 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1566 vap->iv_des_nssid = 1; 1567 1568 memset(&sr, 0, sizeof(sr)); 1569 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1570 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1571 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len); 1572 sr.sr_ssid[0].len = ssid_len; 1573 sr.sr_nssid = 1; 1574 1575 return ieee80211_scanreq(vap, &sr); 1576 } 1577 1578 static __noinline int 1579 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1580 { 1581 struct ieee80211req_mlme mlme; 1582 int error; 1583 1584 if (ireq->i_len != sizeof(mlme)) 1585 return EINVAL; 1586 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1587 if (error) 1588 return error; 1589 if (vap->iv_opmode == IEEE80211_M_STA && 1590 mlme.im_op == IEEE80211_MLME_ASSOC) 1591 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1592 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1593 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1594 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1595 mlme.im_op == IEEE80211_MLME_ASSOC) 1596 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1597 mlme.im_ssid_len, mlme.im_ssid); 1598 else 1599 return setmlme_common(vap, mlme.im_op, 1600 mlme.im_macaddr, mlme.im_reason); 1601 } 1602 1603 static __noinline int 1604 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1605 { 1606 uint8_t mac[IEEE80211_ADDR_LEN]; 1607 const struct ieee80211_aclator *acl = vap->iv_acl; 1608 int error; 1609 1610 if (ireq->i_len != sizeof(mac)) 1611 return EINVAL; 1612 error = copyin(ireq->i_data, mac, ireq->i_len); 1613 if (error) 1614 return error; 1615 if (acl == NULL) { 1616 acl = ieee80211_aclator_get("mac"); 1617 if (acl == NULL || !acl->iac_attach(vap)) 1618 return EINVAL; 1619 vap->iv_acl = acl; 1620 } 1621 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1622 acl->iac_add(vap, mac); 1623 else 1624 acl->iac_remove(vap, mac); 1625 return 0; 1626 } 1627 1628 static __noinline int 1629 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1630 { 1631 const struct ieee80211_aclator *acl = vap->iv_acl; 1632 1633 switch (ireq->i_val) { 1634 case IEEE80211_MACCMD_POLICY_OPEN: 1635 case IEEE80211_MACCMD_POLICY_ALLOW: 1636 case IEEE80211_MACCMD_POLICY_DENY: 1637 case IEEE80211_MACCMD_POLICY_RADIUS: 1638 if (acl == NULL) { 1639 acl = ieee80211_aclator_get("mac"); 1640 if (acl == NULL || !acl->iac_attach(vap)) 1641 return EINVAL; 1642 vap->iv_acl = acl; 1643 } 1644 acl->iac_setpolicy(vap, ireq->i_val); 1645 break; 1646 case IEEE80211_MACCMD_FLUSH: 1647 if (acl != NULL) 1648 acl->iac_flush(vap); 1649 /* NB: silently ignore when not in use */ 1650 break; 1651 case IEEE80211_MACCMD_DETACH: 1652 if (acl != NULL) { 1653 vap->iv_acl = NULL; 1654 acl->iac_detach(vap); 1655 } 1656 break; 1657 default: 1658 if (acl == NULL) 1659 return EINVAL; 1660 else 1661 return acl->iac_setioctl(vap, ireq); 1662 } 1663 return 0; 1664 } 1665 1666 static __noinline int 1667 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1668 { 1669 struct ieee80211com *ic = vap->iv_ic; 1670 uint8_t *chanlist, *list; 1671 int i, nchan, maxchan, error; 1672 1673 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1674 ireq->i_len = sizeof(ic->ic_chan_active); 1675 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1676 M_NOWAIT | M_ZERO); 1677 if (list == NULL) 1678 return ENOMEM; 1679 error = copyin(ireq->i_data, list, ireq->i_len); 1680 if (error) { 1681 free(list, M_TEMP); 1682 return error; 1683 } 1684 nchan = 0; 1685 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1686 maxchan = ireq->i_len * NBBY; 1687 for (i = 0; i < ic->ic_nchans; i++) { 1688 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1689 /* 1690 * Calculate the intersection of the user list and the 1691 * available channels so users can do things like specify 1692 * 1-255 to get all available channels. 1693 */ 1694 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1695 setbit(chanlist, c->ic_ieee); 1696 nchan++; 1697 } 1698 } 1699 if (nchan == 0) { 1700 free(list, M_TEMP); 1701 return EINVAL; 1702 } 1703 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1704 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1705 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1706 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1707 ieee80211_scan_flush(vap); 1708 free(list, M_TEMP); 1709 return ENETRESET; 1710 } 1711 1712 static __noinline int 1713 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1714 { 1715 struct ieee80211_node *ni; 1716 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1717 int error; 1718 1719 /* 1720 * NB: we could copyin ieee80211req_sta_stats so apps 1721 * could make selective changes but that's overkill; 1722 * just clear all stats for now. 1723 */ 1724 if (ireq->i_len < IEEE80211_ADDR_LEN) 1725 return EINVAL; 1726 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1727 if (error != 0) 1728 return error; 1729 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1730 if (ni == NULL) 1731 return ENOENT; 1732 /* XXX require ni_vap == vap? */ 1733 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1734 ieee80211_free_node(ni); 1735 return 0; 1736 } 1737 1738 static __noinline int 1739 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1740 { 1741 struct ieee80211_node *ni; 1742 struct ieee80211req_sta_txpow txpow; 1743 int error; 1744 1745 if (ireq->i_len != sizeof(txpow)) 1746 return EINVAL; 1747 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1748 if (error != 0) 1749 return error; 1750 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1751 if (ni == NULL) 1752 return ENOENT; 1753 ni->ni_txpower = txpow.it_txpow; 1754 ieee80211_free_node(ni); 1755 return error; 1756 } 1757 1758 static __noinline int 1759 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1760 { 1761 struct ieee80211com *ic = vap->iv_ic; 1762 struct ieee80211_wme_state *wme = &ic->ic_wme; 1763 struct wmeParams *wmep, *chanp; 1764 int isbss, ac; 1765 1766 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1767 return EOPNOTSUPP; 1768 1769 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1770 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1771 if (ac >= WME_NUM_AC) 1772 ac = WME_AC_BE; 1773 if (isbss) { 1774 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1775 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1776 } else { 1777 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1778 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1779 } 1780 switch (ireq->i_type) { 1781 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1782 if (isbss) { 1783 wmep->wmep_logcwmin = ireq->i_val; 1784 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1785 chanp->wmep_logcwmin = ireq->i_val; 1786 } else { 1787 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1788 ireq->i_val; 1789 } 1790 break; 1791 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1792 if (isbss) { 1793 wmep->wmep_logcwmax = ireq->i_val; 1794 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1795 chanp->wmep_logcwmax = ireq->i_val; 1796 } else { 1797 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1798 ireq->i_val; 1799 } 1800 break; 1801 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1802 if (isbss) { 1803 wmep->wmep_aifsn = ireq->i_val; 1804 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1805 chanp->wmep_aifsn = ireq->i_val; 1806 } else { 1807 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1808 } 1809 break; 1810 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1811 if (isbss) { 1812 wmep->wmep_txopLimit = ireq->i_val; 1813 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1814 chanp->wmep_txopLimit = ireq->i_val; 1815 } else { 1816 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1817 ireq->i_val; 1818 } 1819 break; 1820 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1821 wmep->wmep_acm = ireq->i_val; 1822 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1823 chanp->wmep_acm = ireq->i_val; 1824 break; 1825 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1826 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1827 (ireq->i_val) == 0; 1828 break; 1829 } 1830 ieee80211_wme_updateparams(vap); 1831 return 0; 1832 } 1833 1834 static int 1835 find11gchannel(struct ieee80211com *ic, int start, int freq) 1836 { 1837 const struct ieee80211_channel *c; 1838 int i; 1839 1840 for (i = start+1; i < ic->ic_nchans; i++) { 1841 c = &ic->ic_channels[i]; 1842 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1843 return 1; 1844 } 1845 /* NB: should not be needed but in case things are mis-sorted */ 1846 for (i = 0; i < start; i++) { 1847 c = &ic->ic_channels[i]; 1848 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1849 return 1; 1850 } 1851 return 0; 1852 } 1853 1854 static struct ieee80211_channel * 1855 findchannel(struct ieee80211com *ic, int ieee, int mode) 1856 { 1857 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1858 [IEEE80211_MODE_AUTO] = 0, 1859 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1860 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1861 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1862 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1863 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1864 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1865 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1866 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1867 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1868 /* NB: handled specially below */ 1869 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1870 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1871 }; 1872 u_int modeflags; 1873 int i; 1874 1875 modeflags = chanflags[mode]; 1876 for (i = 0; i < ic->ic_nchans; i++) { 1877 struct ieee80211_channel *c = &ic->ic_channels[i]; 1878 1879 if (c->ic_ieee != ieee) 1880 continue; 1881 if (mode == IEEE80211_MODE_AUTO) { 1882 /* ignore turbo channels for autoselect */ 1883 if (IEEE80211_IS_CHAN_TURBO(c)) 1884 continue; 1885 /* 1886 * XXX special-case 11b/g channels so we 1887 * always select the g channel if both 1888 * are present. 1889 * XXX prefer HT to non-HT? 1890 */ 1891 if (!IEEE80211_IS_CHAN_B(c) || 1892 !find11gchannel(ic, i, c->ic_freq)) 1893 return c; 1894 } else { 1895 /* must check HT specially */ 1896 if ((mode == IEEE80211_MODE_11NA || 1897 mode == IEEE80211_MODE_11NG) && 1898 !IEEE80211_IS_CHAN_HT(c)) 1899 continue; 1900 if ((c->ic_flags & modeflags) == modeflags) 1901 return c; 1902 } 1903 } 1904 return NULL; 1905 } 1906 1907 /* 1908 * Check the specified against any desired mode (aka netband). 1909 * This is only used (presently) when operating in hostap mode 1910 * to enforce consistency. 1911 */ 1912 static int 1913 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1914 { 1915 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1916 1917 switch (mode) { 1918 case IEEE80211_MODE_11B: 1919 return (IEEE80211_IS_CHAN_B(c)); 1920 case IEEE80211_MODE_11G: 1921 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1922 case IEEE80211_MODE_11A: 1923 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1924 case IEEE80211_MODE_STURBO_A: 1925 return (IEEE80211_IS_CHAN_STURBO(c)); 1926 case IEEE80211_MODE_11NA: 1927 return (IEEE80211_IS_CHAN_HTA(c)); 1928 case IEEE80211_MODE_11NG: 1929 return (IEEE80211_IS_CHAN_HTG(c)); 1930 } 1931 return 1; 1932 1933 } 1934 1935 /* 1936 * Common code to set the current channel. If the device 1937 * is up and running this may result in an immediate channel 1938 * change or a kick of the state machine. 1939 */ 1940 static int 1941 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1942 { 1943 struct ieee80211com *ic = vap->iv_ic; 1944 int error; 1945 1946 if (c != IEEE80211_CHAN_ANYC) { 1947 if (IEEE80211_IS_CHAN_RADAR(c)) 1948 return EBUSY; /* XXX better code? */ 1949 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1950 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1951 return EINVAL; 1952 if (!check_mode_consistency(c, vap->iv_des_mode)) 1953 return EINVAL; 1954 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1955 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1956 return EINVAL; 1957 } 1958 if (vap->iv_state == IEEE80211_S_RUN && 1959 vap->iv_bss->ni_chan == c) 1960 return 0; /* NB: nothing to do */ 1961 } 1962 vap->iv_des_chan = c; 1963 1964 error = 0; 1965 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1966 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1967 /* 1968 * Monitor mode can switch directly. 1969 */ 1970 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1971 /* XXX need state machine for other vap's to follow */ 1972 ieee80211_setcurchan(ic, vap->iv_des_chan); 1973 vap->iv_bss->ni_chan = ic->ic_curchan; 1974 } else 1975 ic->ic_curchan = vap->iv_des_chan; 1976 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1977 } else { 1978 /* 1979 * Need to go through the state machine in case we 1980 * need to reassociate or the like. The state machine 1981 * will pickup the desired channel and avoid scanning. 1982 */ 1983 if (IS_UP_AUTO(vap)) 1984 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1985 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1986 /* 1987 * When not up+running and a real channel has 1988 * been specified fix the current channel so 1989 * there is immediate feedback; e.g. via ifconfig. 1990 */ 1991 ic->ic_curchan = vap->iv_des_chan; 1992 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1993 } 1994 } 1995 return error; 1996 } 1997 1998 /* 1999 * Old api for setting the current channel; this is 2000 * deprecated because channel numbers are ambiguous. 2001 */ 2002 static __noinline int 2003 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 2004 const struct ieee80211req *ireq) 2005 { 2006 struct ieee80211com *ic = vap->iv_ic; 2007 struct ieee80211_channel *c; 2008 2009 /* XXX 0xffff overflows 16-bit signed */ 2010 if (ireq->i_val == 0 || 2011 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2012 c = IEEE80211_CHAN_ANYC; 2013 } else { 2014 struct ieee80211_channel *c2; 2015 2016 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2017 if (c == NULL) { 2018 c = findchannel(ic, ireq->i_val, 2019 IEEE80211_MODE_AUTO); 2020 if (c == NULL) 2021 return EINVAL; 2022 } 2023 /* 2024 * Fine tune channel selection based on desired mode: 2025 * if 11b is requested, find the 11b version of any 2026 * 11g channel returned, 2027 * if static turbo, find the turbo version of any 2028 * 11a channel return, 2029 * if 11na is requested, find the ht version of any 2030 * 11a channel returned, 2031 * if 11ng is requested, find the ht version of any 2032 * 11g channel returned, 2033 * otherwise we should be ok with what we've got. 2034 */ 2035 switch (vap->iv_des_mode) { 2036 case IEEE80211_MODE_11B: 2037 if (IEEE80211_IS_CHAN_ANYG(c)) { 2038 c2 = findchannel(ic, ireq->i_val, 2039 IEEE80211_MODE_11B); 2040 /* NB: should not happen, =>'s 11g w/o 11b */ 2041 if (c2 != NULL) 2042 c = c2; 2043 } 2044 break; 2045 case IEEE80211_MODE_TURBO_A: 2046 if (IEEE80211_IS_CHAN_A(c)) { 2047 c2 = findchannel(ic, ireq->i_val, 2048 IEEE80211_MODE_TURBO_A); 2049 if (c2 != NULL) 2050 c = c2; 2051 } 2052 break; 2053 case IEEE80211_MODE_11NA: 2054 if (IEEE80211_IS_CHAN_A(c)) { 2055 c2 = findchannel(ic, ireq->i_val, 2056 IEEE80211_MODE_11NA); 2057 if (c2 != NULL) 2058 c = c2; 2059 } 2060 break; 2061 case IEEE80211_MODE_11NG: 2062 if (IEEE80211_IS_CHAN_ANYG(c)) { 2063 c2 = findchannel(ic, ireq->i_val, 2064 IEEE80211_MODE_11NG); 2065 if (c2 != NULL) 2066 c = c2; 2067 } 2068 break; 2069 default: /* NB: no static turboG */ 2070 break; 2071 } 2072 } 2073 return setcurchan(vap, c); 2074 } 2075 2076 /* 2077 * New/current api for setting the current channel; a complete 2078 * channel description is provide so there is no ambiguity in 2079 * identifying the channel. 2080 */ 2081 static __noinline int 2082 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2083 const struct ieee80211req *ireq) 2084 { 2085 struct ieee80211com *ic = vap->iv_ic; 2086 struct ieee80211_channel chan, *c; 2087 int error; 2088 2089 if (ireq->i_len != sizeof(chan)) 2090 return EINVAL; 2091 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2092 if (error != 0) 2093 return error; 2094 /* XXX 0xffff overflows 16-bit signed */ 2095 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2096 c = IEEE80211_CHAN_ANYC; 2097 } else { 2098 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2099 if (c == NULL) 2100 return EINVAL; 2101 } 2102 return setcurchan(vap, c); 2103 } 2104 2105 static __noinline int 2106 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2107 const struct ieee80211req *ireq) 2108 { 2109 struct ieee80211_regdomain_req *reg; 2110 int nchans, error; 2111 2112 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2113 sizeof(struct ieee80211_channel)); 2114 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2115 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2116 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2117 ireq->i_len, nchans); 2118 return EINVAL; 2119 } 2120 reg = (struct ieee80211_regdomain_req *) 2121 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT); 2122 if (reg == NULL) { 2123 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2124 "%s: no memory, nchans %d\n", __func__, nchans); 2125 return ENOMEM; 2126 } 2127 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2128 if (error == 0) { 2129 /* NB: validate inline channel count against storage size */ 2130 if (reg->chaninfo.ic_nchans != nchans) { 2131 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2132 "%s: chan cnt mismatch, %d != %d\n", __func__, 2133 reg->chaninfo.ic_nchans, nchans); 2134 error = EINVAL; 2135 } else 2136 error = ieee80211_setregdomain(vap, reg); 2137 } 2138 free(reg, M_TEMP); 2139 2140 return (error == 0 ? ENETRESET : error); 2141 } 2142 2143 static int 2144 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2145 const struct ieee80211req *ireq) 2146 { 2147 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2148 return EINVAL; 2149 /* XXX validate params */ 2150 /* XXX? ENETRESET to push to device? */ 2151 return copyin(ireq->i_data, vap->iv_roamparms, 2152 sizeof(vap->iv_roamparms)); 2153 } 2154 2155 static int 2156 checkrate(const struct ieee80211_rateset *rs, int rate) 2157 { 2158 int i; 2159 2160 if (rate == IEEE80211_FIXED_RATE_NONE) 2161 return 1; 2162 for (i = 0; i < rs->rs_nrates; i++) 2163 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2164 return 1; 2165 return 0; 2166 } 2167 2168 static int 2169 checkmcs(int mcs) 2170 { 2171 if (mcs == IEEE80211_FIXED_RATE_NONE) 2172 return 1; 2173 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2174 return 0; 2175 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2176 } 2177 2178 static __noinline int 2179 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2180 const struct ieee80211req *ireq) 2181 { 2182 struct ieee80211com *ic = vap->iv_ic; 2183 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2184 struct ieee80211_txparam *src, *dst; 2185 const struct ieee80211_rateset *rs; 2186 int error, mode, changed, is11n, nmodes; 2187 2188 /* NB: accept short requests for backwards compat */ 2189 if (ireq->i_len > sizeof(parms)) 2190 return EINVAL; 2191 error = copyin(ireq->i_data, &parms, ireq->i_len); 2192 if (error != 0) 2193 return error; 2194 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2195 changed = 0; 2196 /* validate parameters and check if anything changed */ 2197 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2198 if (isclr(ic->ic_modecaps, mode)) 2199 continue; 2200 src = &parms.params[mode]; 2201 dst = &vap->iv_txparms[mode]; 2202 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2203 is11n = (mode == IEEE80211_MODE_11NA || 2204 mode == IEEE80211_MODE_11NG); 2205 if (src->ucastrate != dst->ucastrate) { 2206 if (!checkrate(rs, src->ucastrate) && 2207 (!is11n || !checkmcs(src->ucastrate))) 2208 return EINVAL; 2209 changed++; 2210 } 2211 if (src->mcastrate != dst->mcastrate) { 2212 if (!checkrate(rs, src->mcastrate) && 2213 (!is11n || !checkmcs(src->mcastrate))) 2214 return EINVAL; 2215 changed++; 2216 } 2217 if (src->mgmtrate != dst->mgmtrate) { 2218 if (!checkrate(rs, src->mgmtrate) && 2219 (!is11n || !checkmcs(src->mgmtrate))) 2220 return EINVAL; 2221 changed++; 2222 } 2223 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2224 changed++; 2225 } 2226 if (changed) { 2227 /* 2228 * Copy new parameters in place and notify the 2229 * driver so it can push state to the device. 2230 */ 2231 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2232 if (isset(ic->ic_modecaps, mode)) 2233 vap->iv_txparms[mode] = parms.params[mode]; 2234 } 2235 /* XXX could be more intelligent, 2236 e.g. don't reset if setting not being used */ 2237 return ENETRESET; 2238 } 2239 return 0; 2240 } 2241 2242 /* 2243 * Application Information Element support. 2244 */ 2245 static int 2246 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2247 { 2248 struct ieee80211_appie *app = *aie; 2249 struct ieee80211_appie *napp; 2250 int error; 2251 2252 if (ireq->i_len == 0) { /* delete any existing ie */ 2253 if (app != NULL) { 2254 *aie = NULL; /* XXX racey */ 2255 free(app, M_80211_NODE_IE); 2256 } 2257 return 0; 2258 } 2259 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2260 return EINVAL; 2261 /* 2262 * Allocate a new appie structure and copy in the user data. 2263 * When done swap in the new structure. Note that we do not 2264 * guard against users holding a ref to the old structure; 2265 * this must be handled outside this code. 2266 * 2267 * XXX bad bad bad 2268 */ 2269 napp = (struct ieee80211_appie *) malloc( 2270 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT); 2271 if (napp == NULL) 2272 return ENOMEM; 2273 /* XXX holding ic lock */ 2274 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2275 if (error) { 2276 free(napp, M_80211_NODE_IE); 2277 return error; 2278 } 2279 napp->ie_len = ireq->i_len; 2280 *aie = napp; 2281 if (app != NULL) 2282 free(app, M_80211_NODE_IE); 2283 return 0; 2284 } 2285 2286 static void 2287 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2288 { 2289 /* validate data is present as best we can */ 2290 if (space == 0 || 2+ie[1] > space) 2291 return; 2292 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2293 vap->iv_wpa_ie = ie; 2294 else if (ie[0] == IEEE80211_ELEMID_RSN) 2295 vap->iv_rsn_ie = ie; 2296 } 2297 2298 static __noinline int 2299 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2300 const struct ieee80211req *ireq, int fc0) 2301 { 2302 int error; 2303 2304 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2305 2306 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2307 case IEEE80211_FC0_SUBTYPE_BEACON: 2308 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2309 vap->iv_opmode != IEEE80211_M_IBSS) { 2310 error = EINVAL; 2311 break; 2312 } 2313 error = setappie(&vap->iv_appie_beacon, ireq); 2314 if (error == 0) 2315 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2316 break; 2317 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2318 error = setappie(&vap->iv_appie_proberesp, ireq); 2319 break; 2320 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2321 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2322 error = setappie(&vap->iv_appie_assocresp, ireq); 2323 else 2324 error = EINVAL; 2325 break; 2326 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2327 error = setappie(&vap->iv_appie_probereq, ireq); 2328 break; 2329 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2330 if (vap->iv_opmode == IEEE80211_M_STA) 2331 error = setappie(&vap->iv_appie_assocreq, ireq); 2332 else 2333 error = EINVAL; 2334 break; 2335 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2336 error = setappie(&vap->iv_appie_wpa, ireq); 2337 if (error == 0) { 2338 /* 2339 * Must split single blob of data into separate 2340 * WPA and RSN ie's because they go in different 2341 * locations in the mgt frames. 2342 * XXX use IEEE80211_IOC_WPA2 so user code does split 2343 */ 2344 vap->iv_wpa_ie = NULL; 2345 vap->iv_rsn_ie = NULL; 2346 if (vap->iv_appie_wpa != NULL) { 2347 struct ieee80211_appie *appie = 2348 vap->iv_appie_wpa; 2349 uint8_t *data = appie->ie_data; 2350 2351 /* XXX ie length validate is painful, cheat */ 2352 setwparsnie(vap, data, appie->ie_len); 2353 setwparsnie(vap, data + 2 + data[1], 2354 appie->ie_len - (2 + data[1])); 2355 } 2356 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2357 vap->iv_opmode == IEEE80211_M_IBSS) { 2358 /* 2359 * Must rebuild beacon frame as the update 2360 * mechanism doesn't handle WPA/RSN ie's. 2361 * Could extend it but it doesn't normally 2362 * change; this is just to deal with hostapd 2363 * plumbing the ie after the interface is up. 2364 */ 2365 error = ENETRESET; 2366 } 2367 } 2368 break; 2369 default: 2370 error = EINVAL; 2371 break; 2372 } 2373 return error; 2374 } 2375 2376 static __noinline int 2377 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2378 const struct ieee80211req *ireq) 2379 { 2380 struct ieee80211com *ic = vap->iv_ic; 2381 int error; 2382 uint8_t fc0; 2383 2384 fc0 = ireq->i_val & 0xff; 2385 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2386 return EINVAL; 2387 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2388 IEEE80211_LOCK(ic); 2389 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2390 IEEE80211_UNLOCK(ic); 2391 return error; 2392 } 2393 2394 static __noinline int 2395 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2396 { 2397 struct ieee80211com *ic = vap->iv_ic; 2398 struct ieee80211_chanswitch_req csr; 2399 struct ieee80211_channel *c; 2400 int error; 2401 2402 if (ireq->i_len != sizeof(csr)) 2403 return EINVAL; 2404 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2405 if (error != 0) 2406 return error; 2407 /* XXX adhoc mode not supported */ 2408 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2409 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2410 return EOPNOTSUPP; 2411 c = ieee80211_find_channel(ic, 2412 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2413 if (c == NULL) 2414 return ENOENT; 2415 IEEE80211_LOCK(ic); 2416 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2417 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2418 else if (csr.csa_count == 0) 2419 ieee80211_csa_cancelswitch(ic); 2420 else 2421 error = EBUSY; 2422 IEEE80211_UNLOCK(ic); 2423 return error; 2424 } 2425 2426 static int 2427 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2428 { 2429 #define IEEE80211_IOC_SCAN_FLAGS \ 2430 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2431 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2432 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2433 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2434 IEEE80211_IOC_SCAN_CHECK) 2435 struct ieee80211com *ic = vap->iv_ic; 2436 int error, i; 2437 2438 /* convert duration */ 2439 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2440 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2441 else { 2442 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2443 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2444 return EINVAL; 2445 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2446 if (sr->sr_duration < 1) 2447 sr->sr_duration = 1; 2448 } 2449 /* convert min/max channel dwell */ 2450 if (sr->sr_mindwell != 0) { 2451 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2452 if (sr->sr_mindwell < 1) 2453 sr->sr_mindwell = 1; 2454 } 2455 if (sr->sr_maxdwell != 0) { 2456 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2457 if (sr->sr_maxdwell < 1) 2458 sr->sr_maxdwell = 1; 2459 } 2460 /* NB: silently reduce ssid count to what is supported */ 2461 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2462 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2463 for (i = 0; i < sr->sr_nssid; i++) 2464 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2465 return EINVAL; 2466 /* cleanse flags just in case, could reject if invalid flags */ 2467 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2468 /* 2469 * Add an implicit NOPICK if the vap is not marked UP. This 2470 * allows applications to scan without joining a bss (or picking 2471 * a channel and setting up a bss) and without forcing manual 2472 * roaming mode--you just need to mark the parent device UP. 2473 */ 2474 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2475 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2476 2477 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2478 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2479 __func__, sr->sr_flags, 2480 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2481 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2482 /* 2483 * If we are in INIT state then the driver has never had a chance 2484 * to setup hardware state to do a scan; we must use the state 2485 * machine to get us up to the SCAN state but once we reach SCAN 2486 * state we then want to use the supplied params. Stash the 2487 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2488 * state machines will recognize this and use the stashed params 2489 * to issue the scan request. 2490 * 2491 * Otherwise just invoke the scan machinery directly. 2492 */ 2493 IEEE80211_LOCK(ic); 2494 if (vap->iv_state == IEEE80211_S_INIT) { 2495 /* NB: clobbers previous settings */ 2496 vap->iv_scanreq_flags = sr->sr_flags; 2497 vap->iv_scanreq_duration = sr->sr_duration; 2498 vap->iv_scanreq_nssid = sr->sr_nssid; 2499 for (i = 0; i < sr->sr_nssid; i++) { 2500 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2501 memcpy(vap->iv_scanreq_ssid[i].ssid, 2502 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2503 } 2504 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2505 IEEE80211_UNLOCK(ic); 2506 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2507 } else { 2508 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2509 IEEE80211_UNLOCK(ic); 2510 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2511 error = ieee80211_check_scan(vap, sr->sr_flags, 2512 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2513 sr->sr_nssid, 2514 /* NB: cheat, we assume structures are compatible */ 2515 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2516 } else { 2517 error = ieee80211_start_scan(vap, sr->sr_flags, 2518 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2519 sr->sr_nssid, 2520 /* NB: cheat, we assume structures are compatible */ 2521 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2522 } 2523 if (error == 0) 2524 return EINPROGRESS; 2525 } 2526 return 0; 2527 #undef IEEE80211_IOC_SCAN_FLAGS 2528 } 2529 2530 static __noinline int 2531 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2532 { 2533 struct ieee80211com *ic = vap->iv_ic; 2534 struct ieee80211_scan_req sr; /* XXX off stack? */ 2535 int error; 2536 2537 /* NB: parent must be running */ 2538 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2539 return ENXIO; 2540 2541 if (ireq->i_len != sizeof(sr)) 2542 return EINVAL; 2543 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2544 if (error != 0) 2545 return error; 2546 return ieee80211_scanreq(vap, &sr); 2547 } 2548 2549 static __noinline int 2550 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2551 { 2552 struct ieee80211_node *ni; 2553 struct ieee80211req_sta_vlan vlan; 2554 int error; 2555 2556 if (ireq->i_len != sizeof(vlan)) 2557 return EINVAL; 2558 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2559 if (error != 0) 2560 return error; 2561 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2562 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2563 vlan.sv_macaddr); 2564 if (ni == NULL) 2565 return ENOENT; 2566 } else 2567 ni = ieee80211_ref_node(vap->iv_bss); 2568 ni->ni_vlan = vlan.sv_vlan; 2569 ieee80211_free_node(ni); 2570 return error; 2571 } 2572 2573 static int 2574 isvap11g(const struct ieee80211vap *vap) 2575 { 2576 const struct ieee80211_node *bss = vap->iv_bss; 2577 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2578 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2579 } 2580 2581 static int 2582 isvapht(const struct ieee80211vap *vap) 2583 { 2584 const struct ieee80211_node *bss = vap->iv_bss; 2585 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2586 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2587 } 2588 2589 /* 2590 * Dummy ioctl set handler so the linker set is defined. 2591 */ 2592 static int 2593 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2594 { 2595 return ENOSYS; 2596 } 2597 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2598 2599 static int 2600 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2601 { 2602 ieee80211_ioctl_setfunc * const *set; 2603 int error; 2604 2605 SET_FOREACH(set, ieee80211_ioctl_setset) { 2606 error = (*set)(vap, ireq); 2607 if (error != ENOSYS) 2608 return error; 2609 } 2610 return EINVAL; 2611 } 2612 2613 static __noinline int 2614 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2615 { 2616 struct ieee80211com *ic = vap->iv_ic; 2617 int error; 2618 const struct ieee80211_authenticator *auth; 2619 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2620 char tmpssid[IEEE80211_NWID_LEN]; 2621 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2622 struct ieee80211_key *k; 2623 u_int kid; 2624 uint32_t flags; 2625 2626 error = 0; 2627 switch (ireq->i_type) { 2628 case IEEE80211_IOC_SSID: 2629 if (ireq->i_val != 0 || 2630 ireq->i_len > IEEE80211_NWID_LEN) 2631 return EINVAL; 2632 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2633 if (error) 2634 break; 2635 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2636 vap->iv_des_ssid[0].len = ireq->i_len; 2637 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2638 vap->iv_des_nssid = (ireq->i_len > 0); 2639 error = ENETRESET; 2640 break; 2641 case IEEE80211_IOC_WEP: 2642 switch (ireq->i_val) { 2643 case IEEE80211_WEP_OFF: 2644 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2645 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2646 break; 2647 case IEEE80211_WEP_ON: 2648 vap->iv_flags |= IEEE80211_F_PRIVACY; 2649 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2650 break; 2651 case IEEE80211_WEP_MIXED: 2652 vap->iv_flags |= IEEE80211_F_PRIVACY; 2653 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2654 break; 2655 } 2656 error = ENETRESET; 2657 break; 2658 case IEEE80211_IOC_WEPKEY: 2659 kid = (u_int) ireq->i_val; 2660 if (kid >= IEEE80211_WEP_NKID) 2661 return EINVAL; 2662 k = &vap->iv_nw_keys[kid]; 2663 if (ireq->i_len == 0) { 2664 /* zero-len =>'s delete any existing key */ 2665 (void) ieee80211_crypto_delkey(vap, k); 2666 break; 2667 } 2668 if (ireq->i_len > sizeof(tmpkey)) 2669 return EINVAL; 2670 memset(tmpkey, 0, sizeof(tmpkey)); 2671 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2672 if (error) 2673 break; 2674 ieee80211_key_update_begin(vap); 2675 k->wk_keyix = kid; /* NB: force fixed key id */ 2676 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2677 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2678 k->wk_keylen = ireq->i_len; 2679 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2680 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2681 if (!ieee80211_crypto_setkey(vap, k)) 2682 error = EINVAL; 2683 } else 2684 error = EINVAL; 2685 ieee80211_key_update_end(vap); 2686 break; 2687 case IEEE80211_IOC_WEPTXKEY: 2688 kid = (u_int) ireq->i_val; 2689 if (kid >= IEEE80211_WEP_NKID && 2690 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2691 return EINVAL; 2692 vap->iv_def_txkey = kid; 2693 break; 2694 case IEEE80211_IOC_AUTHMODE: 2695 switch (ireq->i_val) { 2696 case IEEE80211_AUTH_WPA: 2697 case IEEE80211_AUTH_8021X: /* 802.1x */ 2698 case IEEE80211_AUTH_OPEN: /* open */ 2699 case IEEE80211_AUTH_SHARED: /* shared-key */ 2700 case IEEE80211_AUTH_AUTO: /* auto */ 2701 auth = ieee80211_authenticator_get(ireq->i_val); 2702 if (auth == NULL) 2703 return EINVAL; 2704 break; 2705 default: 2706 return EINVAL; 2707 } 2708 switch (ireq->i_val) { 2709 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2710 vap->iv_flags |= IEEE80211_F_PRIVACY; 2711 ireq->i_val = IEEE80211_AUTH_8021X; 2712 break; 2713 case IEEE80211_AUTH_OPEN: /* open */ 2714 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2715 break; 2716 case IEEE80211_AUTH_SHARED: /* shared-key */ 2717 case IEEE80211_AUTH_8021X: /* 802.1x */ 2718 vap->iv_flags &= ~IEEE80211_F_WPA; 2719 /* both require a key so mark the PRIVACY capability */ 2720 vap->iv_flags |= IEEE80211_F_PRIVACY; 2721 break; 2722 case IEEE80211_AUTH_AUTO: /* auto */ 2723 vap->iv_flags &= ~IEEE80211_F_WPA; 2724 /* XXX PRIVACY handling? */ 2725 /* XXX what's the right way to do this? */ 2726 break; 2727 } 2728 /* NB: authenticator attach/detach happens on state change */ 2729 vap->iv_bss->ni_authmode = ireq->i_val; 2730 /* XXX mixed/mode/usage? */ 2731 vap->iv_auth = auth; 2732 error = ENETRESET; 2733 break; 2734 case IEEE80211_IOC_CHANNEL: 2735 error = ieee80211_ioctl_setchannel(vap, ireq); 2736 break; 2737 case IEEE80211_IOC_POWERSAVE: 2738 switch (ireq->i_val) { 2739 case IEEE80211_POWERSAVE_OFF: 2740 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2741 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2742 error = ERESTART; 2743 } 2744 break; 2745 case IEEE80211_POWERSAVE_ON: 2746 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2747 error = EOPNOTSUPP; 2748 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2749 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2750 error = ERESTART; 2751 } 2752 break; 2753 default: 2754 error = EINVAL; 2755 break; 2756 } 2757 break; 2758 case IEEE80211_IOC_POWERSAVESLEEP: 2759 if (ireq->i_val < 0) 2760 return EINVAL; 2761 ic->ic_lintval = ireq->i_val; 2762 error = ERESTART; 2763 break; 2764 case IEEE80211_IOC_RTSTHRESHOLD: 2765 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2766 ireq->i_val <= IEEE80211_RTS_MAX)) 2767 return EINVAL; 2768 vap->iv_rtsthreshold = ireq->i_val; 2769 error = ERESTART; 2770 break; 2771 case IEEE80211_IOC_PROTMODE: 2772 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2773 return EINVAL; 2774 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2775 /* NB: if not operating in 11g this can wait */ 2776 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2777 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2778 error = ERESTART; 2779 break; 2780 case IEEE80211_IOC_TXPOWER: 2781 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2782 return EOPNOTSUPP; 2783 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2784 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2785 return EINVAL; 2786 ic->ic_txpowlimit = ireq->i_val; 2787 error = ERESTART; 2788 break; 2789 case IEEE80211_IOC_ROAMING: 2790 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2791 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2792 return EINVAL; 2793 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2794 /* XXXX reset? */ 2795 break; 2796 case IEEE80211_IOC_PRIVACY: 2797 if (ireq->i_val) { 2798 /* XXX check for key state? */ 2799 vap->iv_flags |= IEEE80211_F_PRIVACY; 2800 } else 2801 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2802 /* XXX ERESTART? */ 2803 break; 2804 case IEEE80211_IOC_DROPUNENCRYPTED: 2805 if (ireq->i_val) 2806 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2807 else 2808 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2809 /* XXX ERESTART? */ 2810 break; 2811 case IEEE80211_IOC_WPAKEY: 2812 error = ieee80211_ioctl_setkey(vap, ireq); 2813 break; 2814 case IEEE80211_IOC_DELKEY: 2815 error = ieee80211_ioctl_delkey(vap, ireq); 2816 break; 2817 case IEEE80211_IOC_MLME: 2818 error = ieee80211_ioctl_setmlme(vap, ireq); 2819 break; 2820 case IEEE80211_IOC_COUNTERMEASURES: 2821 if (ireq->i_val) { 2822 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2823 return EOPNOTSUPP; 2824 vap->iv_flags |= IEEE80211_F_COUNTERM; 2825 } else 2826 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2827 /* XXX ERESTART? */ 2828 break; 2829 case IEEE80211_IOC_WPA: 2830 if (ireq->i_val > 3) 2831 return EINVAL; 2832 /* XXX verify ciphers available */ 2833 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2834 switch (ireq->i_val) { 2835 case 1: 2836 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2837 return EOPNOTSUPP; 2838 flags |= IEEE80211_F_WPA1; 2839 break; 2840 case 2: 2841 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2842 return EOPNOTSUPP; 2843 flags |= IEEE80211_F_WPA2; 2844 break; 2845 case 3: 2846 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2847 return EOPNOTSUPP; 2848 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2849 break; 2850 default: /* Can't set any -> error */ 2851 return EOPNOTSUPP; 2852 } 2853 vap->iv_flags = flags; 2854 error = ERESTART; /* NB: can change beacon frame */ 2855 break; 2856 case IEEE80211_IOC_WME: 2857 if (ireq->i_val) { 2858 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2859 return EOPNOTSUPP; 2860 ieee80211_syncflag(vap, IEEE80211_F_WME); 2861 } else 2862 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2863 error = ERESTART; /* NB: can change beacon frame */ 2864 break; 2865 case IEEE80211_IOC_HIDESSID: 2866 if (ireq->i_val) 2867 vap->iv_flags |= IEEE80211_F_HIDESSID; 2868 else 2869 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2870 error = ERESTART; /* XXX ENETRESET? */ 2871 break; 2872 case IEEE80211_IOC_APBRIDGE: 2873 if (ireq->i_val == 0) 2874 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2875 else 2876 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2877 break; 2878 case IEEE80211_IOC_BSSID: 2879 if (ireq->i_len != sizeof(tmpbssid)) 2880 return EINVAL; 2881 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2882 if (error) 2883 break; 2884 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2885 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2886 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2887 else 2888 vap->iv_flags |= IEEE80211_F_DESBSSID; 2889 error = ENETRESET; 2890 break; 2891 case IEEE80211_IOC_CHANLIST: 2892 error = ieee80211_ioctl_setchanlist(vap, ireq); 2893 break; 2894 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2895 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2896 case OLD_IEEE80211_IOC_SCAN_REQ: 2897 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2898 "%s: active scan request\n", __func__); 2899 /* 2900 * If we are in INIT state then the driver has never 2901 * had a chance to setup hardware state to do a scan; 2902 * use the state machine to get us up the SCAN state. 2903 * Otherwise just invoke the scan machinery to start 2904 * a one-time scan. 2905 */ 2906 if (vap->iv_state == IEEE80211_S_INIT) 2907 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2908 else 2909 (void) ieee80211_start_scan(vap, 2910 IEEE80211_SCAN_ACTIVE | 2911 IEEE80211_SCAN_NOPICK | 2912 IEEE80211_SCAN_ONCE, 2913 IEEE80211_SCAN_FOREVER, 0, 0, 2914 /* XXX use ioctl params */ 2915 vap->iv_des_nssid, vap->iv_des_ssid); 2916 break; 2917 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2918 case IEEE80211_IOC_SCAN_REQ: 2919 error = ieee80211_ioctl_scanreq(vap, ireq); 2920 break; 2921 case IEEE80211_IOC_SCAN_CANCEL: 2922 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2923 "%s: cancel scan\n", __func__); 2924 ieee80211_cancel_scan(vap); 2925 break; 2926 case IEEE80211_IOC_HTCONF: 2927 if (ireq->i_val & 1) 2928 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2929 else 2930 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2931 if (ireq->i_val & 2) 2932 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2933 else 2934 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2935 error = ENETRESET; 2936 break; 2937 case IEEE80211_IOC_ADDMAC: 2938 case IEEE80211_IOC_DELMAC: 2939 error = ieee80211_ioctl_macmac(vap, ireq); 2940 break; 2941 case IEEE80211_IOC_MACCMD: 2942 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2943 break; 2944 case IEEE80211_IOC_STA_STATS: 2945 error = ieee80211_ioctl_setstastats(vap, ireq); 2946 break; 2947 case IEEE80211_IOC_STA_TXPOW: 2948 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2949 break; 2950 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2951 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2952 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2953 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2954 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2955 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2956 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2957 break; 2958 case IEEE80211_IOC_DTIM_PERIOD: 2959 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2960 vap->iv_opmode != IEEE80211_M_MBSS && 2961 vap->iv_opmode != IEEE80211_M_IBSS) 2962 return EINVAL; 2963 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2964 ireq->i_val <= IEEE80211_DTIM_MAX) { 2965 vap->iv_dtim_period = ireq->i_val; 2966 error = ENETRESET; /* requires restart */ 2967 } else 2968 error = EINVAL; 2969 break; 2970 case IEEE80211_IOC_BEACON_INTERVAL: 2971 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2972 vap->iv_opmode != IEEE80211_M_MBSS && 2973 vap->iv_opmode != IEEE80211_M_IBSS) 2974 return EINVAL; 2975 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2976 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2977 ic->ic_bintval = ireq->i_val; 2978 error = ENETRESET; /* requires restart */ 2979 } else 2980 error = EINVAL; 2981 break; 2982 case IEEE80211_IOC_PUREG: 2983 if (ireq->i_val) 2984 vap->iv_flags |= IEEE80211_F_PUREG; 2985 else 2986 vap->iv_flags &= ~IEEE80211_F_PUREG; 2987 /* NB: reset only if we're operating on an 11g channel */ 2988 if (isvap11g(vap)) 2989 error = ENETRESET; 2990 break; 2991 case IEEE80211_IOC_QUIET: 2992 vap->iv_quiet= ireq->i_val; 2993 break; 2994 case IEEE80211_IOC_QUIET_COUNT: 2995 vap->iv_quiet_count=ireq->i_val; 2996 break; 2997 case IEEE80211_IOC_QUIET_PERIOD: 2998 vap->iv_quiet_period=ireq->i_val; 2999 break; 3000 case IEEE80211_IOC_QUIET_OFFSET: 3001 vap->iv_quiet_offset=ireq->i_val; 3002 break; 3003 case IEEE80211_IOC_QUIET_DUR: 3004 if(ireq->i_val < vap->iv_bss->ni_intval) 3005 vap->iv_quiet_duration = ireq->i_val; 3006 else 3007 error = EINVAL; 3008 break; 3009 case IEEE80211_IOC_BGSCAN: 3010 if (ireq->i_val) { 3011 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3012 return EOPNOTSUPP; 3013 vap->iv_flags |= IEEE80211_F_BGSCAN; 3014 } else 3015 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3016 break; 3017 case IEEE80211_IOC_BGSCAN_IDLE: 3018 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3019 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3020 else 3021 error = EINVAL; 3022 break; 3023 case IEEE80211_IOC_BGSCAN_INTERVAL: 3024 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3025 vap->iv_bgscanintvl = ireq->i_val*hz; 3026 else 3027 error = EINVAL; 3028 break; 3029 case IEEE80211_IOC_SCANVALID: 3030 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3031 vap->iv_scanvalid = ireq->i_val*hz; 3032 else 3033 error = EINVAL; 3034 break; 3035 case IEEE80211_IOC_FRAGTHRESHOLD: 3036 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3037 ireq->i_val != IEEE80211_FRAG_MAX) 3038 return EOPNOTSUPP; 3039 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3040 ireq->i_val <= IEEE80211_FRAG_MAX)) 3041 return EINVAL; 3042 vap->iv_fragthreshold = ireq->i_val; 3043 error = ERESTART; 3044 break; 3045 case IEEE80211_IOC_BURST: 3046 if (ireq->i_val) { 3047 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3048 return EOPNOTSUPP; 3049 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3050 } else 3051 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3052 error = ERESTART; 3053 break; 3054 case IEEE80211_IOC_BMISSTHRESHOLD: 3055 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3056 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3057 return EINVAL; 3058 vap->iv_bmissthreshold = ireq->i_val; 3059 error = ERESTART; 3060 break; 3061 case IEEE80211_IOC_CURCHAN: 3062 error = ieee80211_ioctl_setcurchan(vap, ireq); 3063 break; 3064 case IEEE80211_IOC_SHORTGI: 3065 if (ireq->i_val) { 3066 #define IEEE80211_HTCAP_SHORTGI \ 3067 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3068 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3069 return EINVAL; 3070 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3071 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3072 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3073 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3074 #undef IEEE80211_HTCAP_SHORTGI 3075 } else 3076 vap->iv_flags_ht &= 3077 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3078 error = ERESTART; 3079 break; 3080 case IEEE80211_IOC_AMPDU: 3081 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3082 return EINVAL; 3083 if (ireq->i_val & 1) 3084 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3085 else 3086 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3087 if (ireq->i_val & 2) 3088 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3089 else 3090 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3091 /* NB: reset only if we're operating on an 11n channel */ 3092 if (isvapht(vap)) 3093 error = ERESTART; 3094 break; 3095 case IEEE80211_IOC_AMPDU_LIMIT: 3096 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3097 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3098 return EINVAL; 3099 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3100 vap->iv_ampdu_rxmax = ireq->i_val; 3101 else 3102 vap->iv_ampdu_limit = ireq->i_val; 3103 error = ERESTART; 3104 break; 3105 case IEEE80211_IOC_AMPDU_DENSITY: 3106 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3107 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3108 return EINVAL; 3109 vap->iv_ampdu_density = ireq->i_val; 3110 error = ERESTART; 3111 break; 3112 case IEEE80211_IOC_AMSDU: 3113 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3114 return EINVAL; 3115 if (ireq->i_val & 1) 3116 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3117 else 3118 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3119 if (ireq->i_val & 2) 3120 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3121 else 3122 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3123 /* NB: reset only if we're operating on an 11n channel */ 3124 if (isvapht(vap)) 3125 error = ERESTART; 3126 break; 3127 case IEEE80211_IOC_AMSDU_LIMIT: 3128 /* XXX validate */ 3129 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3130 break; 3131 case IEEE80211_IOC_PUREN: 3132 if (ireq->i_val) { 3133 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3134 return EINVAL; 3135 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3136 } else 3137 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3138 /* NB: reset only if we're operating on an 11n channel */ 3139 if (isvapht(vap)) 3140 error = ERESTART; 3141 break; 3142 case IEEE80211_IOC_DOTH: 3143 if (ireq->i_val) { 3144 #if 0 3145 /* XXX no capability */ 3146 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3147 return EOPNOTSUPP; 3148 #endif 3149 vap->iv_flags |= IEEE80211_F_DOTH; 3150 } else 3151 vap->iv_flags &= ~IEEE80211_F_DOTH; 3152 error = ENETRESET; 3153 break; 3154 case IEEE80211_IOC_REGDOMAIN: 3155 error = ieee80211_ioctl_setregdomain(vap, ireq); 3156 break; 3157 case IEEE80211_IOC_ROAM: 3158 error = ieee80211_ioctl_setroam(vap, ireq); 3159 break; 3160 case IEEE80211_IOC_TXPARAMS: 3161 error = ieee80211_ioctl_settxparams(vap, ireq); 3162 break; 3163 case IEEE80211_IOC_HTCOMPAT: 3164 if (ireq->i_val) { 3165 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3166 return EOPNOTSUPP; 3167 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3168 } else 3169 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3170 /* NB: reset only if we're operating on an 11n channel */ 3171 if (isvapht(vap)) 3172 error = ERESTART; 3173 break; 3174 case IEEE80211_IOC_DWDS: 3175 if (ireq->i_val) { 3176 /* NB: DWDS only makes sense for WDS-capable devices */ 3177 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3178 return EOPNOTSUPP; 3179 /* NB: DWDS is used only with ap+sta vaps */ 3180 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3181 vap->iv_opmode != IEEE80211_M_STA) 3182 return EINVAL; 3183 vap->iv_flags |= IEEE80211_F_DWDS; 3184 if (vap->iv_opmode == IEEE80211_M_STA) 3185 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3186 } else { 3187 vap->iv_flags &= ~IEEE80211_F_DWDS; 3188 if (vap->iv_opmode == IEEE80211_M_STA) 3189 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3190 } 3191 break; 3192 case IEEE80211_IOC_INACTIVITY: 3193 if (ireq->i_val) 3194 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3195 else 3196 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3197 break; 3198 case IEEE80211_IOC_APPIE: 3199 error = ieee80211_ioctl_setappie(vap, ireq); 3200 break; 3201 case IEEE80211_IOC_WPS: 3202 if (ireq->i_val) { 3203 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3204 return EOPNOTSUPP; 3205 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3206 } else 3207 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3208 break; 3209 case IEEE80211_IOC_TSN: 3210 if (ireq->i_val) { 3211 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3212 return EOPNOTSUPP; 3213 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3214 } else 3215 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3216 break; 3217 case IEEE80211_IOC_CHANSWITCH: 3218 error = ieee80211_ioctl_chanswitch(vap, ireq); 3219 break; 3220 case IEEE80211_IOC_DFS: 3221 if (ireq->i_val) { 3222 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3223 return EOPNOTSUPP; 3224 /* NB: DFS requires 11h support */ 3225 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3226 return EINVAL; 3227 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3228 } else 3229 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3230 break; 3231 case IEEE80211_IOC_DOTD: 3232 if (ireq->i_val) 3233 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3234 else 3235 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3236 if (vap->iv_opmode == IEEE80211_M_STA) 3237 error = ENETRESET; 3238 break; 3239 case IEEE80211_IOC_HTPROTMODE: 3240 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3241 return EINVAL; 3242 ic->ic_htprotmode = ireq->i_val ? 3243 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3244 /* NB: if not operating in 11n this can wait */ 3245 if (isvapht(vap)) 3246 error = ERESTART; 3247 break; 3248 case IEEE80211_IOC_STA_VLAN: 3249 error = ieee80211_ioctl_setstavlan(vap, ireq); 3250 break; 3251 case IEEE80211_IOC_SMPS: 3252 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3253 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3254 return EINVAL; 3255 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3256 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3257 return EOPNOTSUPP; 3258 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3259 ireq->i_val; 3260 /* NB: if not operating in 11n this can wait */ 3261 if (isvapht(vap)) 3262 error = ERESTART; 3263 break; 3264 case IEEE80211_IOC_RIFS: 3265 if (ireq->i_val != 0) { 3266 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3267 return EOPNOTSUPP; 3268 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3269 } else 3270 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3271 /* NB: if not operating in 11n this can wait */ 3272 if (isvapht(vap)) 3273 error = ERESTART; 3274 break; 3275 default: 3276 error = ieee80211_ioctl_setdefault(vap, ireq); 3277 break; 3278 } 3279 /* 3280 * The convention is that ENETRESET means an operation 3281 * requires a complete re-initialization of the device (e.g. 3282 * changing something that affects the association state). 3283 * ERESTART means the request may be handled with only a 3284 * reload of the hardware state. We hand ERESTART requests 3285 * to the iv_reset callback so the driver can decide. If 3286 * a device does not fillin iv_reset then it defaults to one 3287 * that returns ENETRESET. Otherwise a driver may return 3288 * ENETRESET (in which case a full reset will be done) or 3289 * 0 to mean there's no need to do anything (e.g. when the 3290 * change has no effect on the driver/device). 3291 */ 3292 if (error == ERESTART) 3293 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3294 vap->iv_reset(vap, ireq->i_type) : 0; 3295 if (error == ENETRESET) { 3296 /* XXX need to re-think AUTO handling */ 3297 if (IS_UP_AUTO(vap)) 3298 ieee80211_init(vap); 3299 error = 0; 3300 } 3301 return error; 3302 } 3303 3304 /* 3305 * Rebuild the parent's multicast address list after an add/del 3306 * of a multicast address for a vap. We have no way to tell 3307 * what happened above to optimize the work so we purge the entire 3308 * list and rebuild from scratch. This is way expensive. 3309 * Note also the half-baked workaround for if_addmulti calling 3310 * back to the parent device; there's no way to insert mcast 3311 * entries quietly and/or cheaply. 3312 */ 3313 static void 3314 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3315 { 3316 struct ifnet *parent = ic->ic_ifp; 3317 struct ieee80211vap *vap; 3318 void *ioctl; 3319 3320 IEEE80211_LOCK(ic); 3321 if_delallmulti(parent); 3322 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3323 parent->if_ioctl = NULL; 3324 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3325 struct ifnet *ifp = vap->iv_ifp; 3326 struct ifmultiaddr *ifma; 3327 3328 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3329 if (ifma->ifma_addr->sa_family != AF_LINK) 3330 continue; 3331 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3332 } 3333 } 3334 parent->if_ioctl = ioctl; 3335 ieee80211_runtask(ic, &ic->ic_mcast_task); 3336 IEEE80211_UNLOCK(ic); 3337 } 3338 3339 int 3340 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3341 { 3342 struct ieee80211vap *vap = ifp->if_softc; 3343 struct ieee80211com *ic = vap->iv_ic; 3344 int error = 0; 3345 struct ifreq *ifr; 3346 struct ifaddr *ifa; /* XXX */ 3347 3348 switch (cmd) { 3349 case SIOCSIFFLAGS: 3350 IEEE80211_LOCK(ic); 3351 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3352 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3353 if (ifp->if_flags & IFF_UP) { 3354 /* 3355 * Bring ourself up unless we're already operational. 3356 * If we're the first vap and the parent is not up 3357 * then it will automatically be brought up as a 3358 * side-effect of bringing ourself up. 3359 */ 3360 if (vap->iv_state == IEEE80211_S_INIT) 3361 ieee80211_start_locked(vap); 3362 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3363 /* 3364 * Stop ourself. If we are the last vap to be 3365 * marked down the parent will also be taken down. 3366 */ 3367 ieee80211_stop_locked(vap); 3368 } 3369 IEEE80211_UNLOCK(ic); 3370 /* Wait for parent ioctl handler if it was queued */ 3371 ieee80211_waitfor_parent(ic); 3372 break; 3373 case SIOCADDMULTI: 3374 case SIOCDELMULTI: 3375 ieee80211_ioctl_updatemulti(ic); 3376 break; 3377 case SIOCSIFMEDIA: 3378 case SIOCGIFMEDIA: 3379 ifr = (struct ifreq *)data; 3380 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3381 break; 3382 case SIOCG80211: 3383 error = ieee80211_ioctl_get80211(vap, cmd, 3384 (struct ieee80211req *) data); 3385 break; 3386 case SIOCS80211: 3387 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3388 if (error == 0) 3389 error = ieee80211_ioctl_set80211(vap, cmd, 3390 (struct ieee80211req *) data); 3391 break; 3392 case SIOCG80211STATS: 3393 ifr = (struct ifreq *)data; 3394 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3395 break; 3396 case SIOCSIFMTU: 3397 ifr = (struct ifreq *)data; 3398 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3399 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3400 error = EINVAL; 3401 else 3402 ifp->if_mtu = ifr->ifr_mtu; 3403 break; 3404 case SIOCSIFADDR: 3405 /* 3406 * XXX Handle this directly so we can supress if_init calls. 3407 * XXX This should be done in ether_ioctl but for the moment 3408 * XXX there are too many other parts of the system that 3409 * XXX set IFF_UP and so supress if_init being called when 3410 * XXX it should be. 3411 */ 3412 ifa = (struct ifaddr *) data; 3413 switch (ifa->ifa_addr->sa_family) { 3414 #ifdef INET 3415 case AF_INET: 3416 if ((ifp->if_flags & IFF_UP) == 0) { 3417 ifp->if_flags |= IFF_UP; 3418 ifp->if_init(ifp->if_softc); 3419 } 3420 arp_ifinit(ifp, ifa); 3421 break; 3422 #endif 3423 #ifdef IPX 3424 /* 3425 * XXX - This code is probably wrong, 3426 * but has been copied many times. 3427 */ 3428 case AF_IPX: { 3429 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3430 3431 if (ipx_nullhost(*ina)) 3432 ina->x_host = *(union ipx_host *) 3433 IF_LLADDR(ifp); 3434 else 3435 bcopy((caddr_t) ina->x_host.c_host, 3436 (caddr_t) IF_LLADDR(ifp), 3437 ETHER_ADDR_LEN); 3438 /* fall thru... */ 3439 } 3440 #endif 3441 default: 3442 if ((ifp->if_flags & IFF_UP) == 0) { 3443 ifp->if_flags |= IFF_UP; 3444 ifp->if_init(ifp->if_softc); 3445 } 3446 break; 3447 } 3448 break; 3449 /* Pass NDIS ioctls up to the driver */ 3450 case SIOCGDRVSPEC: 3451 case SIOCSDRVSPEC: 3452 case SIOCGPRIVATE_0: { 3453 struct ifnet *parent = vap->iv_ic->ic_ifp; 3454 error = parent->if_ioctl(parent, cmd, data); 3455 break; 3456 } 3457 default: 3458 error = ether_ioctl(ifp, cmd, data); 3459 break; 3460 } 3461 return error; 3462 } 3463