1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_ipx.h" 36 #include "opt_wlan.h" 37 38 #include <sys/endian.h> 39 #include <sys/param.h> 40 #include <sys/kernel.h> 41 #include <sys/priv.h> 42 #include <sys/socket.h> 43 #include <sys/sockio.h> 44 #include <sys/systm.h> 45 46 #include <net/if.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 #include <net/ethernet.h> 50 51 #ifdef INET 52 #include <netinet/in.h> 53 #include <netinet/if_ether.h> 54 #endif 55 56 #ifdef IPX 57 #include <netipx/ipx.h> 58 #include <netipx/ipx_if.h> 59 #endif 60 61 #include <net80211/ieee80211_var.h> 62 #include <net80211/ieee80211_ioctl.h> 63 #include <net80211/ieee80211_regdomain.h> 64 #include <net80211/ieee80211_input.h> 65 66 #define IS_UP_AUTO(_vap) \ 67 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 68 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 69 70 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 71 static struct ieee80211_channel *findchannel(struct ieee80211com *, 72 int ieee, int mode); 73 static int ieee80211_scanreq(struct ieee80211vap *, 74 struct ieee80211_scan_req *); 75 76 static __noinline int 77 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 78 { 79 struct ieee80211com *ic = vap->iv_ic; 80 struct ieee80211_node *ni; 81 struct ieee80211req_key ik; 82 struct ieee80211_key *wk; 83 const struct ieee80211_cipher *cip; 84 u_int kid; 85 int error; 86 87 if (ireq->i_len != sizeof(ik)) 88 return EINVAL; 89 error = copyin(ireq->i_data, &ik, sizeof(ik)); 90 if (error) 91 return error; 92 kid = ik.ik_keyix; 93 if (kid == IEEE80211_KEYIX_NONE) { 94 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 95 if (ni == NULL) 96 return ENOENT; 97 wk = &ni->ni_ucastkey; 98 } else { 99 if (kid >= IEEE80211_WEP_NKID) 100 return EINVAL; 101 wk = &vap->iv_nw_keys[kid]; 102 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 103 ni = NULL; 104 } 105 cip = wk->wk_cipher; 106 ik.ik_type = cip->ic_cipher; 107 ik.ik_keylen = wk->wk_keylen; 108 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 109 if (wk->wk_keyix == vap->iv_def_txkey) 110 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 111 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 112 /* NB: only root can read key data */ 113 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 114 ik.ik_keytsc = wk->wk_keytsc; 115 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 116 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 117 memcpy(ik.ik_keydata+wk->wk_keylen, 118 wk->wk_key + IEEE80211_KEYBUF_SIZE, 119 IEEE80211_MICBUF_SIZE); 120 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 121 } 122 } else { 123 ik.ik_keyrsc = 0; 124 ik.ik_keytsc = 0; 125 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 126 } 127 if (ni != NULL) 128 ieee80211_free_node(ni); 129 return copyout(&ik, ireq->i_data, sizeof(ik)); 130 } 131 132 static __noinline int 133 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 134 { 135 struct ieee80211com *ic = vap->iv_ic; 136 137 if (sizeof(ic->ic_chan_active) < ireq->i_len) 138 ireq->i_len = sizeof(ic->ic_chan_active); 139 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 140 } 141 142 static __noinline int 143 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 144 { 145 struct ieee80211com *ic = vap->iv_ic; 146 uint32_t space; 147 148 space = __offsetof(struct ieee80211req_chaninfo, 149 ic_chans[ic->ic_nchans]); 150 if (space > ireq->i_len) 151 space = ireq->i_len; 152 /* XXX assumes compatible layout */ 153 return copyout(&ic->ic_nchans, ireq->i_data, space); 154 } 155 156 static __noinline int 157 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 158 struct ieee80211req *ireq, int req) 159 { 160 struct ieee80211_node *ni; 161 struct ieee80211req_wpaie2 wpaie; 162 int error; 163 164 if (ireq->i_len < IEEE80211_ADDR_LEN) 165 return EINVAL; 166 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 167 if (error != 0) 168 return error; 169 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 170 if (ni == NULL) 171 return ENOENT; 172 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 173 if (ni->ni_ies.wpa_ie != NULL) { 174 int ielen = ni->ni_ies.wpa_ie[1] + 2; 175 if (ielen > sizeof(wpaie.wpa_ie)) 176 ielen = sizeof(wpaie.wpa_ie); 177 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 178 } 179 if (req == IEEE80211_IOC_WPAIE2) { 180 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 181 if (ni->ni_ies.rsn_ie != NULL) { 182 int ielen = ni->ni_ies.rsn_ie[1] + 2; 183 if (ielen > sizeof(wpaie.rsn_ie)) 184 ielen = sizeof(wpaie.rsn_ie); 185 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 186 } 187 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 188 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 189 } else { 190 /* compatibility op, may overwrite wpa ie */ 191 /* XXX check ic_flags? */ 192 if (ni->ni_ies.rsn_ie != NULL) { 193 int ielen = ni->ni_ies.rsn_ie[1] + 2; 194 if (ielen > sizeof(wpaie.wpa_ie)) 195 ielen = sizeof(wpaie.wpa_ie); 196 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 197 } 198 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 199 ireq->i_len = sizeof(struct ieee80211req_wpaie); 200 } 201 ieee80211_free_node(ni); 202 return copyout(&wpaie, ireq->i_data, ireq->i_len); 203 } 204 205 static __noinline int 206 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 207 { 208 struct ieee80211_node *ni; 209 uint8_t macaddr[IEEE80211_ADDR_LEN]; 210 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 211 int error; 212 213 if (ireq->i_len < off) 214 return EINVAL; 215 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 216 if (error != 0) 217 return error; 218 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 219 if (ni == NULL) 220 return ENOENT; 221 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 222 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 223 /* NB: copy out only the statistics */ 224 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 225 ireq->i_len - off); 226 ieee80211_free_node(ni); 227 return error; 228 } 229 230 struct scanreq { 231 struct ieee80211req_scan_result *sr; 232 size_t space; 233 }; 234 235 static size_t 236 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 237 { 238 size_t len; 239 240 *ielen = se->se_ies.len; 241 /* 242 * NB: ie's can be no more than 255 bytes and the max 802.11 243 * packet is <3Kbytes so we are sure this doesn't overflow 244 * 16-bits; if this is a concern we can drop the ie's. 245 */ 246 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 247 se->se_meshid[1] + *ielen; 248 return roundup(len, sizeof(uint32_t)); 249 } 250 251 static void 252 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 253 { 254 struct scanreq *req = arg; 255 int ielen; 256 257 req->space += scan_space(se, &ielen); 258 } 259 260 static __noinline void 261 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 262 { 263 struct scanreq *req = arg; 264 struct ieee80211req_scan_result *sr; 265 int ielen, len, nr, nxr; 266 uint8_t *cp; 267 268 len = scan_space(se, &ielen); 269 if (len > req->space) 270 return; 271 272 sr = req->sr; 273 KASSERT(len <= 65535 && ielen <= 65535, 274 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 275 sr->isr_len = len; 276 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 277 sr->isr_ie_len = ielen; 278 sr->isr_freq = se->se_chan->ic_freq; 279 sr->isr_flags = se->se_chan->ic_flags; 280 sr->isr_rssi = se->se_rssi; 281 sr->isr_noise = se->se_noise; 282 sr->isr_intval = se->se_intval; 283 sr->isr_capinfo = se->se_capinfo; 284 sr->isr_erp = se->se_erp; 285 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 286 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 287 memcpy(sr->isr_rates, se->se_rates+2, nr); 288 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 289 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 290 sr->isr_nrates = nr + nxr; 291 292 /* copy SSID */ 293 sr->isr_ssid_len = se->se_ssid[1]; 294 cp = ((uint8_t *)sr) + sr->isr_ie_off; 295 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 296 297 /* copy mesh id */ 298 cp += sr->isr_ssid_len; 299 sr->isr_meshid_len = se->se_meshid[1]; 300 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 301 cp += sr->isr_meshid_len; 302 303 if (ielen) 304 memcpy(cp, se->se_ies.data, ielen); 305 306 req->space -= len; 307 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 308 } 309 310 static __noinline int 311 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 312 struct ieee80211req *ireq) 313 { 314 struct scanreq req; 315 int error; 316 317 if (ireq->i_len < sizeof(struct scanreq)) 318 return EFAULT; 319 320 error = 0; 321 req.space = 0; 322 ieee80211_scan_iterate(vap, get_scan_space, &req); 323 if (req.space > ireq->i_len) 324 req.space = ireq->i_len; 325 if (req.space > 0) { 326 uint32_t space; 327 void *p; 328 329 space = req.space; 330 /* XXX M_WAITOK after driver lock released */ 331 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 332 if (p == NULL) 333 return ENOMEM; 334 req.sr = p; 335 ieee80211_scan_iterate(vap, get_scan_result, &req); 336 ireq->i_len = space - req.space; 337 error = copyout(p, ireq->i_data, ireq->i_len); 338 free(p, M_TEMP); 339 } else 340 ireq->i_len = 0; 341 342 return error; 343 } 344 345 struct stainforeq { 346 struct ieee80211vap *vap; 347 struct ieee80211req_sta_info *si; 348 size_t space; 349 }; 350 351 static size_t 352 sta_space(const struct ieee80211_node *ni, size_t *ielen) 353 { 354 *ielen = ni->ni_ies.len; 355 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 356 sizeof(uint32_t)); 357 } 358 359 static void 360 get_sta_space(void *arg, struct ieee80211_node *ni) 361 { 362 struct stainforeq *req = arg; 363 size_t ielen; 364 365 if (req->vap != ni->ni_vap) 366 return; 367 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 368 ni->ni_associd == 0) /* only associated stations */ 369 return; 370 req->space += sta_space(ni, &ielen); 371 } 372 373 static __noinline void 374 get_sta_info(void *arg, struct ieee80211_node *ni) 375 { 376 struct stainforeq *req = arg; 377 struct ieee80211vap *vap = ni->ni_vap; 378 struct ieee80211req_sta_info *si; 379 size_t ielen, len; 380 uint8_t *cp; 381 382 if (req->vap != ni->ni_vap) 383 return; 384 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 385 ni->ni_associd == 0) /* only associated stations */ 386 return; 387 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 388 return; 389 len = sta_space(ni, &ielen); 390 if (len > req->space) 391 return; 392 si = req->si; 393 si->isi_len = len; 394 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 395 si->isi_ie_len = ielen; 396 si->isi_freq = ni->ni_chan->ic_freq; 397 si->isi_flags = ni->ni_chan->ic_flags; 398 si->isi_state = ni->ni_flags; 399 si->isi_authmode = ni->ni_authmode; 400 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 401 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 402 si->isi_capinfo = ni->ni_capinfo; 403 si->isi_erp = ni->ni_erp; 404 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 405 si->isi_nrates = ni->ni_rates.rs_nrates; 406 if (si->isi_nrates > 15) 407 si->isi_nrates = 15; 408 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 409 si->isi_txrate = ni->ni_txrate; 410 if (si->isi_txrate & IEEE80211_RATE_MCS) { 411 const struct ieee80211_mcs_rates *mcs = 412 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 413 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 414 if (ni->ni_flags & IEEE80211_NODE_SGI40) 415 si->isi_txmbps = mcs->ht40_rate_800ns; 416 else 417 si->isi_txmbps = mcs->ht40_rate_400ns; 418 } else { 419 if (ni->ni_flags & IEEE80211_NODE_SGI20) 420 si->isi_txmbps = mcs->ht20_rate_800ns; 421 else 422 si->isi_txmbps = mcs->ht20_rate_400ns; 423 } 424 } else 425 si->isi_txmbps = si->isi_txrate; 426 si->isi_associd = ni->ni_associd; 427 si->isi_txpower = ni->ni_txpower; 428 si->isi_vlan = ni->ni_vlan; 429 if (ni->ni_flags & IEEE80211_NODE_QOS) { 430 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 431 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 432 } else { 433 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 434 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 435 } 436 /* NB: leave all cases in case we relax ni_associd == 0 check */ 437 if (ieee80211_node_is_authorized(ni)) 438 si->isi_inact = vap->iv_inact_run; 439 else if (ni->ni_associd != 0 || 440 (vap->iv_opmode == IEEE80211_M_WDS && 441 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 442 si->isi_inact = vap->iv_inact_auth; 443 else 444 si->isi_inact = vap->iv_inact_init; 445 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 446 si->isi_localid = ni->ni_mllid; 447 si->isi_peerid = ni->ni_mlpid; 448 si->isi_peerstate = ni->ni_mlstate; 449 450 if (ielen) { 451 cp = ((uint8_t *)si) + si->isi_ie_off; 452 memcpy(cp, ni->ni_ies.data, ielen); 453 } 454 455 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 456 req->space -= len; 457 } 458 459 static __noinline int 460 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 461 struct ieee80211_node *ni, size_t off) 462 { 463 struct ieee80211com *ic = vap->iv_ic; 464 struct stainforeq req; 465 size_t space; 466 void *p; 467 int error; 468 469 error = 0; 470 req.space = 0; 471 req.vap = vap; 472 if (ni == NULL) 473 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 474 else 475 get_sta_space(&req, ni); 476 if (req.space > ireq->i_len) 477 req.space = ireq->i_len; 478 if (req.space > 0) { 479 space = req.space; 480 /* XXX M_WAITOK after driver lock released */ 481 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 482 if (p == NULL) { 483 error = ENOMEM; 484 goto bad; 485 } 486 req.si = p; 487 if (ni == NULL) 488 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 489 else 490 get_sta_info(&req, ni); 491 ireq->i_len = space - req.space; 492 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 493 free(p, M_TEMP); 494 } else 495 ireq->i_len = 0; 496 bad: 497 if (ni != NULL) 498 ieee80211_free_node(ni); 499 return error; 500 } 501 502 static __noinline int 503 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 504 { 505 uint8_t macaddr[IEEE80211_ADDR_LEN]; 506 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 507 struct ieee80211_node *ni; 508 int error; 509 510 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 511 return EFAULT; 512 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 513 if (error != 0) 514 return error; 515 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 516 ni = NULL; 517 } else { 518 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 519 if (ni == NULL) 520 return ENOENT; 521 } 522 return getstainfo_common(vap, ireq, ni, off); 523 } 524 525 static __noinline int 526 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 527 { 528 struct ieee80211_node *ni; 529 struct ieee80211req_sta_txpow txpow; 530 int error; 531 532 if (ireq->i_len != sizeof(txpow)) 533 return EINVAL; 534 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 535 if (error != 0) 536 return error; 537 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 538 if (ni == NULL) 539 return ENOENT; 540 txpow.it_txpow = ni->ni_txpower; 541 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 542 ieee80211_free_node(ni); 543 return error; 544 } 545 546 static __noinline int 547 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 548 { 549 struct ieee80211com *ic = vap->iv_ic; 550 struct ieee80211_wme_state *wme = &ic->ic_wme; 551 struct wmeParams *wmep; 552 int ac; 553 554 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 555 return EINVAL; 556 557 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 558 if (ac >= WME_NUM_AC) 559 ac = WME_AC_BE; 560 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 561 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 562 else 563 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 564 switch (ireq->i_type) { 565 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 566 ireq->i_val = wmep->wmep_logcwmin; 567 break; 568 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 569 ireq->i_val = wmep->wmep_logcwmax; 570 break; 571 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 572 ireq->i_val = wmep->wmep_aifsn; 573 break; 574 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 575 ireq->i_val = wmep->wmep_txopLimit; 576 break; 577 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 578 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 579 ireq->i_val = wmep->wmep_acm; 580 break; 581 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 582 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 583 ireq->i_val = !wmep->wmep_noackPolicy; 584 break; 585 } 586 return 0; 587 } 588 589 static __noinline int 590 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 591 { 592 const struct ieee80211_aclator *acl = vap->iv_acl; 593 594 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 595 } 596 597 static __noinline int 598 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 599 { 600 struct ieee80211com *ic = vap->iv_ic; 601 struct ieee80211_channel *c; 602 603 if (ireq->i_len != sizeof(struct ieee80211_channel)) 604 return EINVAL; 605 /* 606 * vap's may have different operating channels when HT is 607 * in use. When in RUN state report the vap-specific channel. 608 * Otherwise return curchan. 609 */ 610 if (vap->iv_state == IEEE80211_S_RUN) 611 c = vap->iv_bss->ni_chan; 612 else 613 c = ic->ic_curchan; 614 return copyout(c, ireq->i_data, sizeof(*c)); 615 } 616 617 static int 618 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 619 { 620 if (aie == NULL) 621 return EINVAL; 622 /* NB: truncate, caller can check length */ 623 if (ireq->i_len > aie->ie_len) 624 ireq->i_len = aie->ie_len; 625 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 626 } 627 628 static int 629 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 630 { 631 uint8_t fc0; 632 633 fc0 = ireq->i_val & 0xff; 634 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 635 return EINVAL; 636 /* NB: could check iv_opmode and reject but hardly worth the effort */ 637 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 638 case IEEE80211_FC0_SUBTYPE_BEACON: 639 return getappie(vap->iv_appie_beacon, ireq); 640 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 641 return getappie(vap->iv_appie_proberesp, ireq); 642 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 643 return getappie(vap->iv_appie_assocresp, ireq); 644 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 645 return getappie(vap->iv_appie_probereq, ireq); 646 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 647 return getappie(vap->iv_appie_assocreq, ireq); 648 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 649 return getappie(vap->iv_appie_wpa, ireq); 650 } 651 return EINVAL; 652 } 653 654 static __noinline int 655 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 656 const struct ieee80211req *ireq) 657 { 658 struct ieee80211com *ic = vap->iv_ic; 659 660 if (ireq->i_len != sizeof(ic->ic_regdomain)) 661 return EINVAL; 662 return copyout(&ic->ic_regdomain, ireq->i_data, 663 sizeof(ic->ic_regdomain)); 664 } 665 666 static __noinline int 667 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 668 const struct ieee80211req *ireq) 669 { 670 size_t len = ireq->i_len; 671 /* NB: accept short requests for backwards compat */ 672 if (len > sizeof(vap->iv_roamparms)) 673 len = sizeof(vap->iv_roamparms); 674 return copyout(vap->iv_roamparms, ireq->i_data, len); 675 } 676 677 static __noinline int 678 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 679 const struct ieee80211req *ireq) 680 { 681 size_t len = ireq->i_len; 682 /* NB: accept short requests for backwards compat */ 683 if (len > sizeof(vap->iv_txparms)) 684 len = sizeof(vap->iv_txparms); 685 return copyout(vap->iv_txparms, ireq->i_data, len); 686 } 687 688 static __noinline int 689 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 690 const struct ieee80211req *ireq) 691 { 692 struct ieee80211_devcaps_req *dc; 693 struct ieee80211req_chaninfo *ci; 694 int maxchans, error; 695 696 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 697 sizeof(struct ieee80211_channel)); 698 /* NB: require 1 so we know ic_nchans is accessible */ 699 if (maxchans < 1) 700 return EINVAL; 701 /* constrain max request size, 2K channels is ~24Kbytes */ 702 if (maxchans > 2048) 703 maxchans = 2048; 704 dc = (struct ieee80211_devcaps_req *) 705 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO); 706 if (dc == NULL) 707 return ENOMEM; 708 dc->dc_drivercaps = ic->ic_caps; 709 dc->dc_cryptocaps = ic->ic_cryptocaps; 710 dc->dc_htcaps = ic->ic_htcaps; 711 ci = &dc->dc_chaninfo; 712 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 713 KASSERT(ci->ic_nchans <= maxchans, 714 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 715 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 716 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 717 free(dc, M_TEMP); 718 return error; 719 } 720 721 static __noinline int 722 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 723 { 724 struct ieee80211_node *ni; 725 struct ieee80211req_sta_vlan vlan; 726 int error; 727 728 if (ireq->i_len != sizeof(vlan)) 729 return EINVAL; 730 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 731 if (error != 0) 732 return error; 733 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 734 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 735 vlan.sv_macaddr); 736 if (ni == NULL) 737 return ENOENT; 738 } else 739 ni = ieee80211_ref_node(vap->iv_bss); 740 vlan.sv_vlan = ni->ni_vlan; 741 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 742 ieee80211_free_node(ni); 743 return error; 744 } 745 746 /* 747 * Dummy ioctl get handler so the linker set is defined. 748 */ 749 static int 750 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 751 { 752 return ENOSYS; 753 } 754 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 755 756 static int 757 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 758 { 759 ieee80211_ioctl_getfunc * const *get; 760 int error; 761 762 SET_FOREACH(get, ieee80211_ioctl_getset) { 763 error = (*get)(vap, ireq); 764 if (error != ENOSYS) 765 return error; 766 } 767 return EINVAL; 768 } 769 770 /* 771 * When building the kernel with -O2 on the i386 architecture, gcc 772 * seems to want to inline this function into ieee80211_ioctl() 773 * (which is the only routine that calls it). When this happens, 774 * ieee80211_ioctl() ends up consuming an additional 2K of stack 775 * space. (Exactly why it needs so much is unclear.) The problem 776 * is that it's possible for ieee80211_ioctl() to invoke other 777 * routines (including driver init functions) which could then find 778 * themselves perilously close to exhausting the stack. 779 * 780 * To avoid this, we deliberately prevent gcc from inlining this 781 * routine. Another way to avoid this is to use less agressive 782 * optimization when compiling this file (i.e. -O instead of -O2) 783 * but special-casing the compilation of this one module in the 784 * build system would be awkward. 785 */ 786 static __noinline int 787 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 788 struct ieee80211req *ireq) 789 { 790 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 791 struct ieee80211com *ic = vap->iv_ic; 792 u_int kid, len; 793 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 794 char tmpssid[IEEE80211_NWID_LEN]; 795 int error = 0; 796 797 switch (ireq->i_type) { 798 case IEEE80211_IOC_SSID: 799 switch (vap->iv_state) { 800 case IEEE80211_S_INIT: 801 case IEEE80211_S_SCAN: 802 ireq->i_len = vap->iv_des_ssid[0].len; 803 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 804 break; 805 default: 806 ireq->i_len = vap->iv_bss->ni_esslen; 807 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 808 break; 809 } 810 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 811 break; 812 case IEEE80211_IOC_NUMSSIDS: 813 ireq->i_val = 1; 814 break; 815 case IEEE80211_IOC_WEP: 816 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 817 ireq->i_val = IEEE80211_WEP_OFF; 818 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 819 ireq->i_val = IEEE80211_WEP_ON; 820 else 821 ireq->i_val = IEEE80211_WEP_MIXED; 822 break; 823 case IEEE80211_IOC_WEPKEY: 824 kid = (u_int) ireq->i_val; 825 if (kid >= IEEE80211_WEP_NKID) 826 return EINVAL; 827 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 828 /* NB: only root can read WEP keys */ 829 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 830 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 831 } else { 832 bzero(tmpkey, len); 833 } 834 ireq->i_len = len; 835 error = copyout(tmpkey, ireq->i_data, len); 836 break; 837 case IEEE80211_IOC_NUMWEPKEYS: 838 ireq->i_val = IEEE80211_WEP_NKID; 839 break; 840 case IEEE80211_IOC_WEPTXKEY: 841 ireq->i_val = vap->iv_def_txkey; 842 break; 843 case IEEE80211_IOC_AUTHMODE: 844 if (vap->iv_flags & IEEE80211_F_WPA) 845 ireq->i_val = IEEE80211_AUTH_WPA; 846 else 847 ireq->i_val = vap->iv_bss->ni_authmode; 848 break; 849 case IEEE80211_IOC_CHANNEL: 850 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 851 break; 852 case IEEE80211_IOC_POWERSAVE: 853 if (vap->iv_flags & IEEE80211_F_PMGTON) 854 ireq->i_val = IEEE80211_POWERSAVE_ON; 855 else 856 ireq->i_val = IEEE80211_POWERSAVE_OFF; 857 break; 858 case IEEE80211_IOC_POWERSAVESLEEP: 859 ireq->i_val = ic->ic_lintval; 860 break; 861 case IEEE80211_IOC_RTSTHRESHOLD: 862 ireq->i_val = vap->iv_rtsthreshold; 863 break; 864 case IEEE80211_IOC_PROTMODE: 865 ireq->i_val = ic->ic_protmode; 866 break; 867 case IEEE80211_IOC_TXPOWER: 868 /* 869 * Tx power limit is the min of max regulatory 870 * power, any user-set limit, and the max the 871 * radio can do. 872 */ 873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 874 if (ireq->i_val > ic->ic_txpowlimit) 875 ireq->i_val = ic->ic_txpowlimit; 876 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 877 ireq->i_val = ic->ic_curchan->ic_maxpower; 878 break; 879 case IEEE80211_IOC_WPA: 880 switch (vap->iv_flags & IEEE80211_F_WPA) { 881 case IEEE80211_F_WPA1: 882 ireq->i_val = 1; 883 break; 884 case IEEE80211_F_WPA2: 885 ireq->i_val = 2; 886 break; 887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 888 ireq->i_val = 3; 889 break; 890 default: 891 ireq->i_val = 0; 892 break; 893 } 894 break; 895 case IEEE80211_IOC_CHANLIST: 896 error = ieee80211_ioctl_getchanlist(vap, ireq); 897 break; 898 case IEEE80211_IOC_ROAMING: 899 ireq->i_val = vap->iv_roaming; 900 break; 901 case IEEE80211_IOC_PRIVACY: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 903 break; 904 case IEEE80211_IOC_DROPUNENCRYPTED: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 906 break; 907 case IEEE80211_IOC_COUNTERMEASURES: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 909 break; 910 case IEEE80211_IOC_WME: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 912 break; 913 case IEEE80211_IOC_HIDESSID: 914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 915 break; 916 case IEEE80211_IOC_APBRIDGE: 917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 918 break; 919 case IEEE80211_IOC_WPAKEY: 920 error = ieee80211_ioctl_getkey(vap, ireq); 921 break; 922 case IEEE80211_IOC_CHANINFO: 923 error = ieee80211_ioctl_getchaninfo(vap, ireq); 924 break; 925 case IEEE80211_IOC_BSSID: 926 if (ireq->i_len != IEEE80211_ADDR_LEN) 927 return EINVAL; 928 if (vap->iv_state == IEEE80211_S_RUN) { 929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 931 ireq->i_data, ireq->i_len); 932 } else 933 error = copyout(vap->iv_des_bssid, ireq->i_data, 934 ireq->i_len); 935 break; 936 case IEEE80211_IOC_WPAIE: 937 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 938 break; 939 case IEEE80211_IOC_WPAIE2: 940 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 941 break; 942 case IEEE80211_IOC_SCAN_RESULTS: 943 error = ieee80211_ioctl_getscanresults(vap, ireq); 944 break; 945 case IEEE80211_IOC_STA_STATS: 946 error = ieee80211_ioctl_getstastats(vap, ireq); 947 break; 948 case IEEE80211_IOC_TXPOWMAX: 949 ireq->i_val = vap->iv_bss->ni_txpower; 950 break; 951 case IEEE80211_IOC_STA_TXPOW: 952 error = ieee80211_ioctl_getstatxpow(vap, ireq); 953 break; 954 case IEEE80211_IOC_STA_INFO: 955 error = ieee80211_ioctl_getstainfo(vap, ireq); 956 break; 957 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 958 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 959 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 960 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 961 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 962 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 963 error = ieee80211_ioctl_getwmeparam(vap, ireq); 964 break; 965 case IEEE80211_IOC_DTIM_PERIOD: 966 ireq->i_val = vap->iv_dtim_period; 967 break; 968 case IEEE80211_IOC_BEACON_INTERVAL: 969 /* NB: get from ic_bss for station mode */ 970 ireq->i_val = vap->iv_bss->ni_intval; 971 break; 972 case IEEE80211_IOC_PUREG: 973 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 974 break; 975 case IEEE80211_IOC_QUIET: 976 ireq->i_val = vap->iv_quiet; 977 break; 978 case IEEE80211_IOC_QUIET_COUNT: 979 ireq->i_val = vap->iv_quiet_count; 980 break; 981 case IEEE80211_IOC_QUIET_PERIOD: 982 ireq->i_val = vap->iv_quiet_period; 983 break; 984 case IEEE80211_IOC_QUIET_DUR: 985 ireq->i_val = vap->iv_quiet_duration; 986 break; 987 case IEEE80211_IOC_QUIET_OFFSET: 988 ireq->i_val = vap->iv_quiet_offset; 989 break; 990 case IEEE80211_IOC_BGSCAN: 991 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 992 break; 993 case IEEE80211_IOC_BGSCAN_IDLE: 994 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 995 break; 996 case IEEE80211_IOC_BGSCAN_INTERVAL: 997 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 998 break; 999 case IEEE80211_IOC_SCANVALID: 1000 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 1001 break; 1002 case IEEE80211_IOC_FRAGTHRESHOLD: 1003 ireq->i_val = vap->iv_fragthreshold; 1004 break; 1005 case IEEE80211_IOC_MACCMD: 1006 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1007 break; 1008 case IEEE80211_IOC_BURST: 1009 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1010 break; 1011 case IEEE80211_IOC_BMISSTHRESHOLD: 1012 ireq->i_val = vap->iv_bmissthreshold; 1013 break; 1014 case IEEE80211_IOC_CURCHAN: 1015 error = ieee80211_ioctl_getcurchan(vap, ireq); 1016 break; 1017 case IEEE80211_IOC_SHORTGI: 1018 ireq->i_val = 0; 1019 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1020 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1021 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1022 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1023 break; 1024 case IEEE80211_IOC_AMPDU: 1025 ireq->i_val = 0; 1026 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1027 ireq->i_val |= 1; 1028 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1029 ireq->i_val |= 2; 1030 break; 1031 case IEEE80211_IOC_AMPDU_LIMIT: 1032 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1033 ireq->i_val = vap->iv_ampdu_rxmax; 1034 else if (vap->iv_state == IEEE80211_S_RUN) 1035 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1036 IEEE80211_HTCAP_MAXRXAMPDU); 1037 else 1038 ireq->i_val = vap->iv_ampdu_limit; 1039 break; 1040 case IEEE80211_IOC_AMPDU_DENSITY: 1041 if (vap->iv_opmode == IEEE80211_M_STA && 1042 vap->iv_state == IEEE80211_S_RUN) 1043 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1044 IEEE80211_HTCAP_MPDUDENSITY); 1045 else 1046 ireq->i_val = vap->iv_ampdu_density; 1047 break; 1048 case IEEE80211_IOC_AMSDU: 1049 ireq->i_val = 0; 1050 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1051 ireq->i_val |= 1; 1052 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1053 ireq->i_val |= 2; 1054 break; 1055 case IEEE80211_IOC_AMSDU_LIMIT: 1056 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1057 break; 1058 case IEEE80211_IOC_PUREN: 1059 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1060 break; 1061 case IEEE80211_IOC_DOTH: 1062 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1063 break; 1064 case IEEE80211_IOC_REGDOMAIN: 1065 error = ieee80211_ioctl_getregdomain(vap, ireq); 1066 break; 1067 case IEEE80211_IOC_ROAM: 1068 error = ieee80211_ioctl_getroam(vap, ireq); 1069 break; 1070 case IEEE80211_IOC_TXPARAMS: 1071 error = ieee80211_ioctl_gettxparams(vap, ireq); 1072 break; 1073 case IEEE80211_IOC_HTCOMPAT: 1074 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1075 break; 1076 case IEEE80211_IOC_DWDS: 1077 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1078 break; 1079 case IEEE80211_IOC_INACTIVITY: 1080 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1081 break; 1082 case IEEE80211_IOC_APPIE: 1083 error = ieee80211_ioctl_getappie(vap, ireq); 1084 break; 1085 case IEEE80211_IOC_WPS: 1086 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1087 break; 1088 case IEEE80211_IOC_TSN: 1089 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1090 break; 1091 case IEEE80211_IOC_DFS: 1092 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1093 break; 1094 case IEEE80211_IOC_DOTD: 1095 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1096 break; 1097 case IEEE80211_IOC_DEVCAPS: 1098 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1099 break; 1100 case IEEE80211_IOC_HTPROTMODE: 1101 ireq->i_val = ic->ic_htprotmode; 1102 break; 1103 case IEEE80211_IOC_HTCONF: 1104 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1105 ireq->i_val = 1; 1106 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1107 ireq->i_val |= 2; 1108 } else 1109 ireq->i_val = 0; 1110 break; 1111 case IEEE80211_IOC_STA_VLAN: 1112 error = ieee80211_ioctl_getstavlan(vap, ireq); 1113 break; 1114 case IEEE80211_IOC_SMPS: 1115 if (vap->iv_opmode == IEEE80211_M_STA && 1116 vap->iv_state == IEEE80211_S_RUN) { 1117 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1118 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1119 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1120 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1121 else 1122 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1123 } else 1124 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1125 break; 1126 case IEEE80211_IOC_RIFS: 1127 if (vap->iv_opmode == IEEE80211_M_STA && 1128 vap->iv_state == IEEE80211_S_RUN) 1129 ireq->i_val = 1130 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1131 else 1132 ireq->i_val = 1133 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1134 break; 1135 default: 1136 error = ieee80211_ioctl_getdefault(vap, ireq); 1137 break; 1138 } 1139 return error; 1140 #undef MS 1141 } 1142 1143 static __noinline int 1144 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1145 { 1146 struct ieee80211req_key ik; 1147 struct ieee80211_node *ni; 1148 struct ieee80211_key *wk; 1149 uint16_t kid; 1150 int error, i; 1151 1152 if (ireq->i_len != sizeof(ik)) 1153 return EINVAL; 1154 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1155 if (error) 1156 return error; 1157 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1158 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1159 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1160 return E2BIG; 1161 kid = ik.ik_keyix; 1162 if (kid == IEEE80211_KEYIX_NONE) { 1163 /* XXX unicast keys currently must be tx/rx */ 1164 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1165 return EINVAL; 1166 if (vap->iv_opmode == IEEE80211_M_STA) { 1167 ni = ieee80211_ref_node(vap->iv_bss); 1168 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1169 ieee80211_free_node(ni); 1170 return EADDRNOTAVAIL; 1171 } 1172 } else { 1173 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1174 ik.ik_macaddr); 1175 if (ni == NULL) 1176 return ENOENT; 1177 } 1178 wk = &ni->ni_ucastkey; 1179 } else { 1180 if (kid >= IEEE80211_WEP_NKID) 1181 return EINVAL; 1182 wk = &vap->iv_nw_keys[kid]; 1183 /* 1184 * Global slots start off w/o any assigned key index. 1185 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1186 */ 1187 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1188 wk->wk_keyix = kid; 1189 ni = NULL; 1190 } 1191 error = 0; 1192 ieee80211_key_update_begin(vap); 1193 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1194 wk->wk_keylen = ik.ik_keylen; 1195 /* NB: MIC presence is implied by cipher type */ 1196 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1197 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1198 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1199 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1200 wk->wk_keytsc = 0; /* new key, reset */ 1201 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1202 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1203 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1204 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1205 if (!ieee80211_crypto_setkey(vap, wk)) 1206 error = EIO; 1207 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1208 vap->iv_def_txkey = kid; 1209 } else 1210 error = ENXIO; 1211 ieee80211_key_update_end(vap); 1212 if (ni != NULL) 1213 ieee80211_free_node(ni); 1214 return error; 1215 } 1216 1217 static __noinline int 1218 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1219 { 1220 struct ieee80211req_del_key dk; 1221 int kid, error; 1222 1223 if (ireq->i_len != sizeof(dk)) 1224 return EINVAL; 1225 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1226 if (error) 1227 return error; 1228 kid = dk.idk_keyix; 1229 /* XXX uint8_t -> uint16_t */ 1230 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1231 struct ieee80211_node *ni; 1232 1233 if (vap->iv_opmode == IEEE80211_M_STA) { 1234 ni = ieee80211_ref_node(vap->iv_bss); 1235 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1236 ieee80211_free_node(ni); 1237 return EADDRNOTAVAIL; 1238 } 1239 } else { 1240 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1241 dk.idk_macaddr); 1242 if (ni == NULL) 1243 return ENOENT; 1244 } 1245 /* XXX error return */ 1246 ieee80211_node_delucastkey(ni); 1247 ieee80211_free_node(ni); 1248 } else { 1249 if (kid >= IEEE80211_WEP_NKID) 1250 return EINVAL; 1251 /* XXX error return */ 1252 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1253 } 1254 return 0; 1255 } 1256 1257 struct mlmeop { 1258 struct ieee80211vap *vap; 1259 int op; 1260 int reason; 1261 }; 1262 1263 static void 1264 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1265 int op, int reason) 1266 { 1267 #ifdef IEEE80211_DEBUG 1268 static const struct { 1269 int mask; 1270 const char *opstr; 1271 } ops[] = { 1272 { 0, "op#0" }, 1273 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1274 IEEE80211_MSG_ASSOC, "assoc" }, 1275 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1276 IEEE80211_MSG_ASSOC, "disassoc" }, 1277 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1278 IEEE80211_MSG_AUTH, "deauth" }, 1279 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1280 IEEE80211_MSG_AUTH, "authorize" }, 1281 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1282 IEEE80211_MSG_AUTH, "unauthorize" }, 1283 }; 1284 1285 if (op == IEEE80211_MLME_AUTH) { 1286 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1287 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1288 "station authenticate %s via MLME (reason %d)", 1289 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1290 reason); 1291 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1292 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1293 "unknown MLME request %d (reason %d)", op, reason); 1294 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1295 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1296 "station %s via MLME", ops[op].opstr); 1297 } else { 1298 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1299 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1300 } 1301 #endif /* IEEE80211_DEBUG */ 1302 } 1303 1304 static void 1305 domlme(void *arg, struct ieee80211_node *ni) 1306 { 1307 struct mlmeop *mop = arg; 1308 struct ieee80211vap *vap = ni->ni_vap; 1309 1310 if (vap != mop->vap) 1311 return; 1312 /* 1313 * NB: if ni_associd is zero then the node is already cleaned 1314 * up and we don't need to do this (we're safely holding a 1315 * reference but should otherwise not modify it's state). 1316 */ 1317 if (ni->ni_associd == 0) 1318 return; 1319 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1320 if (mop->op == IEEE80211_MLME_DEAUTH) { 1321 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1322 mop->reason); 1323 } else { 1324 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1325 mop->reason); 1326 } 1327 ieee80211_node_leave(ni); 1328 } 1329 1330 static int 1331 setmlme_dropsta(struct ieee80211vap *vap, 1332 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1333 { 1334 struct ieee80211com *ic = vap->iv_ic; 1335 struct ieee80211_node_table *nt = &ic->ic_sta; 1336 struct ieee80211_node *ni; 1337 int error = 0; 1338 1339 /* NB: the broadcast address means do 'em all */ 1340 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1341 IEEE80211_NODE_LOCK(nt); 1342 ni = ieee80211_find_node_locked(nt, mac); 1343 if (ni != NULL) { 1344 domlme(mlmeop, ni); 1345 ieee80211_free_node(ni); 1346 } else 1347 error = ENOENT; 1348 IEEE80211_NODE_UNLOCK(nt); 1349 } else { 1350 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1351 } 1352 return error; 1353 } 1354 1355 static __noinline int 1356 setmlme_common(struct ieee80211vap *vap, int op, 1357 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1358 { 1359 struct ieee80211com *ic = vap->iv_ic; 1360 struct ieee80211_node_table *nt = &ic->ic_sta; 1361 struct ieee80211_node *ni; 1362 struct mlmeop mlmeop; 1363 int error; 1364 1365 error = 0; 1366 switch (op) { 1367 case IEEE80211_MLME_DISASSOC: 1368 case IEEE80211_MLME_DEAUTH: 1369 switch (vap->iv_opmode) { 1370 case IEEE80211_M_STA: 1371 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1372 /* XXX not quite right */ 1373 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1374 break; 1375 case IEEE80211_M_HOSTAP: 1376 mlmeop.vap = vap; 1377 mlmeop.op = op; 1378 mlmeop.reason = reason; 1379 error = setmlme_dropsta(vap, mac, &mlmeop); 1380 break; 1381 case IEEE80211_M_WDS: 1382 /* XXX user app should send raw frame? */ 1383 if (op != IEEE80211_MLME_DEAUTH) { 1384 error = EINVAL; 1385 break; 1386 } 1387 #if 0 1388 /* XXX accept any address, simplifies user code */ 1389 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1390 error = EINVAL; 1391 break; 1392 } 1393 #endif 1394 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1395 ni = ieee80211_ref_node(vap->iv_bss); 1396 IEEE80211_SEND_MGMT(ni, 1397 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1398 ieee80211_free_node(ni); 1399 break; 1400 case IEEE80211_M_MBSS: 1401 IEEE80211_NODE_LOCK(nt); 1402 ni = ieee80211_find_node_locked(nt, mac); 1403 if (ni != NULL) { 1404 ieee80211_node_leave(ni); 1405 ieee80211_free_node(ni); 1406 } else { 1407 error = ENOENT; 1408 } 1409 IEEE80211_NODE_UNLOCK(nt); 1410 break; 1411 default: 1412 error = EINVAL; 1413 break; 1414 } 1415 break; 1416 case IEEE80211_MLME_AUTHORIZE: 1417 case IEEE80211_MLME_UNAUTHORIZE: 1418 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1419 vap->iv_opmode != IEEE80211_M_WDS) { 1420 error = EINVAL; 1421 break; 1422 } 1423 IEEE80211_NODE_LOCK(nt); 1424 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1425 if (ni != NULL) { 1426 mlmedebug(vap, mac, op, reason); 1427 if (op == IEEE80211_MLME_AUTHORIZE) 1428 ieee80211_node_authorize(ni); 1429 else 1430 ieee80211_node_unauthorize(ni); 1431 ieee80211_free_node(ni); 1432 } else 1433 error = ENOENT; 1434 IEEE80211_NODE_UNLOCK(nt); 1435 break; 1436 case IEEE80211_MLME_AUTH: 1437 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1438 error = EINVAL; 1439 break; 1440 } 1441 IEEE80211_NODE_LOCK(nt); 1442 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1443 if (ni != NULL) { 1444 mlmedebug(vap, mac, op, reason); 1445 if (reason == IEEE80211_STATUS_SUCCESS) { 1446 IEEE80211_SEND_MGMT(ni, 1447 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1448 /* 1449 * For shared key auth, just continue the 1450 * exchange. Otherwise when 802.1x is not in 1451 * use mark the port authorized at this point 1452 * so traffic can flow. 1453 */ 1454 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1455 ni->ni_challenge == NULL) 1456 ieee80211_node_authorize(ni); 1457 } else { 1458 vap->iv_stats.is_rx_acl++; 1459 ieee80211_send_error(ni, ni->ni_macaddr, 1460 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1461 ieee80211_node_leave(ni); 1462 } 1463 ieee80211_free_node(ni); 1464 } else 1465 error = ENOENT; 1466 IEEE80211_NODE_UNLOCK(nt); 1467 break; 1468 default: 1469 error = EINVAL; 1470 break; 1471 } 1472 return error; 1473 } 1474 1475 struct scanlookup { 1476 const uint8_t *mac; 1477 int esslen; 1478 const uint8_t *essid; 1479 const struct ieee80211_scan_entry *se; 1480 }; 1481 1482 /* 1483 * Match mac address and any ssid. 1484 */ 1485 static void 1486 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1487 { 1488 struct scanlookup *look = arg; 1489 1490 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1491 return; 1492 if (look->esslen != 0) { 1493 if (se->se_ssid[1] != look->esslen) 1494 return; 1495 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1496 return; 1497 } 1498 look->se = se; 1499 } 1500 1501 static __noinline int 1502 setmlme_assoc_sta(struct ieee80211vap *vap, 1503 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1504 const uint8_t ssid[IEEE80211_NWID_LEN]) 1505 { 1506 struct scanlookup lookup; 1507 1508 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1509 ("expected opmode STA not %s", 1510 ieee80211_opmode_name[vap->iv_opmode])); 1511 1512 /* NB: this is racey if roaming is !manual */ 1513 lookup.se = NULL; 1514 lookup.mac = mac; 1515 lookup.esslen = ssid_len; 1516 lookup.essid = ssid; 1517 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1518 if (lookup.se == NULL) 1519 return ENOENT; 1520 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1521 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1522 return EIO; /* XXX unique but could be better */ 1523 return 0; 1524 } 1525 1526 static __noinline int 1527 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1528 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1529 const uint8_t ssid[IEEE80211_NWID_LEN]) 1530 { 1531 struct ieee80211_scan_req sr; 1532 1533 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1534 vap->iv_opmode == IEEE80211_M_AHDEMO, 1535 ("expected opmode IBSS or AHDEMO not %s", 1536 ieee80211_opmode_name[vap->iv_opmode])); 1537 1538 if (ssid_len == 0) 1539 return EINVAL; 1540 1541 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1542 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1543 vap->iv_des_ssid[0].len = ssid_len; 1544 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1545 vap->iv_des_nssid = 1; 1546 1547 memset(&sr, 0, sizeof(sr)); 1548 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1549 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1550 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len); 1551 sr.sr_ssid[0].len = ssid_len; 1552 sr.sr_nssid = 1; 1553 1554 return ieee80211_scanreq(vap, &sr); 1555 } 1556 1557 static __noinline int 1558 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1559 { 1560 struct ieee80211req_mlme mlme; 1561 int error; 1562 1563 if (ireq->i_len != sizeof(mlme)) 1564 return EINVAL; 1565 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1566 if (error) 1567 return error; 1568 if (vap->iv_opmode == IEEE80211_M_STA && 1569 mlme.im_op == IEEE80211_MLME_ASSOC) 1570 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1571 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1572 else if (mlme.im_op == IEEE80211_MLME_ASSOC) 1573 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1574 mlme.im_ssid_len, mlme.im_ssid); 1575 else 1576 return setmlme_common(vap, mlme.im_op, 1577 mlme.im_macaddr, mlme.im_reason); 1578 } 1579 1580 static __noinline int 1581 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1582 { 1583 uint8_t mac[IEEE80211_ADDR_LEN]; 1584 const struct ieee80211_aclator *acl = vap->iv_acl; 1585 int error; 1586 1587 if (ireq->i_len != sizeof(mac)) 1588 return EINVAL; 1589 error = copyin(ireq->i_data, mac, ireq->i_len); 1590 if (error) 1591 return error; 1592 if (acl == NULL) { 1593 acl = ieee80211_aclator_get("mac"); 1594 if (acl == NULL || !acl->iac_attach(vap)) 1595 return EINVAL; 1596 vap->iv_acl = acl; 1597 } 1598 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1599 acl->iac_add(vap, mac); 1600 else 1601 acl->iac_remove(vap, mac); 1602 return 0; 1603 } 1604 1605 static __noinline int 1606 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1607 { 1608 const struct ieee80211_aclator *acl = vap->iv_acl; 1609 1610 switch (ireq->i_val) { 1611 case IEEE80211_MACCMD_POLICY_OPEN: 1612 case IEEE80211_MACCMD_POLICY_ALLOW: 1613 case IEEE80211_MACCMD_POLICY_DENY: 1614 case IEEE80211_MACCMD_POLICY_RADIUS: 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 acl->iac_setpolicy(vap, ireq->i_val); 1622 break; 1623 case IEEE80211_MACCMD_FLUSH: 1624 if (acl != NULL) 1625 acl->iac_flush(vap); 1626 /* NB: silently ignore when not in use */ 1627 break; 1628 case IEEE80211_MACCMD_DETACH: 1629 if (acl != NULL) { 1630 vap->iv_acl = NULL; 1631 acl->iac_detach(vap); 1632 } 1633 break; 1634 default: 1635 if (acl == NULL) 1636 return EINVAL; 1637 else 1638 return acl->iac_setioctl(vap, ireq); 1639 } 1640 return 0; 1641 } 1642 1643 static __noinline int 1644 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1645 { 1646 struct ieee80211com *ic = vap->iv_ic; 1647 uint8_t *chanlist, *list; 1648 int i, nchan, maxchan, error; 1649 1650 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1651 ireq->i_len = sizeof(ic->ic_chan_active); 1652 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1653 M_NOWAIT | M_ZERO); 1654 if (list == NULL) 1655 return ENOMEM; 1656 error = copyin(ireq->i_data, list, ireq->i_len); 1657 if (error) { 1658 free(list, M_TEMP); 1659 return error; 1660 } 1661 nchan = 0; 1662 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1663 maxchan = ireq->i_len * NBBY; 1664 for (i = 0; i < ic->ic_nchans; i++) { 1665 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1666 /* 1667 * Calculate the intersection of the user list and the 1668 * available channels so users can do things like specify 1669 * 1-255 to get all available channels. 1670 */ 1671 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1672 setbit(chanlist, c->ic_ieee); 1673 nchan++; 1674 } 1675 } 1676 if (nchan == 0) { 1677 free(list, M_TEMP); 1678 return EINVAL; 1679 } 1680 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1681 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1682 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1683 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1684 ieee80211_scan_flush(vap); 1685 free(list, M_TEMP); 1686 return ENETRESET; 1687 } 1688 1689 static __noinline int 1690 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1691 { 1692 struct ieee80211_node *ni; 1693 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1694 int error; 1695 1696 /* 1697 * NB: we could copyin ieee80211req_sta_stats so apps 1698 * could make selective changes but that's overkill; 1699 * just clear all stats for now. 1700 */ 1701 if (ireq->i_len < IEEE80211_ADDR_LEN) 1702 return EINVAL; 1703 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1704 if (error != 0) 1705 return error; 1706 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1707 if (ni == NULL) 1708 return ENOENT; 1709 /* XXX require ni_vap == vap? */ 1710 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1711 ieee80211_free_node(ni); 1712 return 0; 1713 } 1714 1715 static __noinline int 1716 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1717 { 1718 struct ieee80211_node *ni; 1719 struct ieee80211req_sta_txpow txpow; 1720 int error; 1721 1722 if (ireq->i_len != sizeof(txpow)) 1723 return EINVAL; 1724 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1725 if (error != 0) 1726 return error; 1727 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1728 if (ni == NULL) 1729 return ENOENT; 1730 ni->ni_txpower = txpow.it_txpow; 1731 ieee80211_free_node(ni); 1732 return error; 1733 } 1734 1735 static __noinline int 1736 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1737 { 1738 struct ieee80211com *ic = vap->iv_ic; 1739 struct ieee80211_wme_state *wme = &ic->ic_wme; 1740 struct wmeParams *wmep, *chanp; 1741 int isbss, ac; 1742 1743 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1744 return EOPNOTSUPP; 1745 1746 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1747 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1748 if (ac >= WME_NUM_AC) 1749 ac = WME_AC_BE; 1750 if (isbss) { 1751 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1752 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1753 } else { 1754 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1755 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1756 } 1757 switch (ireq->i_type) { 1758 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1759 if (isbss) { 1760 wmep->wmep_logcwmin = ireq->i_val; 1761 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1762 chanp->wmep_logcwmin = ireq->i_val; 1763 } else { 1764 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1765 ireq->i_val; 1766 } 1767 break; 1768 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1769 if (isbss) { 1770 wmep->wmep_logcwmax = ireq->i_val; 1771 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1772 chanp->wmep_logcwmax = ireq->i_val; 1773 } else { 1774 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1775 ireq->i_val; 1776 } 1777 break; 1778 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1779 if (isbss) { 1780 wmep->wmep_aifsn = ireq->i_val; 1781 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1782 chanp->wmep_aifsn = ireq->i_val; 1783 } else { 1784 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1785 } 1786 break; 1787 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1788 if (isbss) { 1789 wmep->wmep_txopLimit = ireq->i_val; 1790 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1791 chanp->wmep_txopLimit = ireq->i_val; 1792 } else { 1793 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1794 ireq->i_val; 1795 } 1796 break; 1797 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1798 wmep->wmep_acm = ireq->i_val; 1799 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1800 chanp->wmep_acm = ireq->i_val; 1801 break; 1802 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1803 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1804 (ireq->i_val) == 0; 1805 break; 1806 } 1807 ieee80211_wme_updateparams(vap); 1808 return 0; 1809 } 1810 1811 static int 1812 find11gchannel(struct ieee80211com *ic, int start, int freq) 1813 { 1814 const struct ieee80211_channel *c; 1815 int i; 1816 1817 for (i = start+1; i < ic->ic_nchans; i++) { 1818 c = &ic->ic_channels[i]; 1819 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1820 return 1; 1821 } 1822 /* NB: should not be needed but in case things are mis-sorted */ 1823 for (i = 0; i < start; i++) { 1824 c = &ic->ic_channels[i]; 1825 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1826 return 1; 1827 } 1828 return 0; 1829 } 1830 1831 static struct ieee80211_channel * 1832 findchannel(struct ieee80211com *ic, int ieee, int mode) 1833 { 1834 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1835 [IEEE80211_MODE_AUTO] = 0, 1836 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1837 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1838 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1839 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1840 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1841 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1842 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1843 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1844 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1845 /* NB: handled specially below */ 1846 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1847 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1848 }; 1849 u_int modeflags; 1850 int i; 1851 1852 modeflags = chanflags[mode]; 1853 for (i = 0; i < ic->ic_nchans; i++) { 1854 struct ieee80211_channel *c = &ic->ic_channels[i]; 1855 1856 if (c->ic_ieee != ieee) 1857 continue; 1858 if (mode == IEEE80211_MODE_AUTO) { 1859 /* ignore turbo channels for autoselect */ 1860 if (IEEE80211_IS_CHAN_TURBO(c)) 1861 continue; 1862 /* 1863 * XXX special-case 11b/g channels so we 1864 * always select the g channel if both 1865 * are present. 1866 * XXX prefer HT to non-HT? 1867 */ 1868 if (!IEEE80211_IS_CHAN_B(c) || 1869 !find11gchannel(ic, i, c->ic_freq)) 1870 return c; 1871 } else { 1872 /* must check HT specially */ 1873 if ((mode == IEEE80211_MODE_11NA || 1874 mode == IEEE80211_MODE_11NG) && 1875 !IEEE80211_IS_CHAN_HT(c)) 1876 continue; 1877 if ((c->ic_flags & modeflags) == modeflags) 1878 return c; 1879 } 1880 } 1881 return NULL; 1882 } 1883 1884 /* 1885 * Check the specified against any desired mode (aka netband). 1886 * This is only used (presently) when operating in hostap mode 1887 * to enforce consistency. 1888 */ 1889 static int 1890 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1891 { 1892 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1893 1894 switch (mode) { 1895 case IEEE80211_MODE_11B: 1896 return (IEEE80211_IS_CHAN_B(c)); 1897 case IEEE80211_MODE_11G: 1898 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1899 case IEEE80211_MODE_11A: 1900 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1901 case IEEE80211_MODE_STURBO_A: 1902 return (IEEE80211_IS_CHAN_STURBO(c)); 1903 case IEEE80211_MODE_11NA: 1904 return (IEEE80211_IS_CHAN_HTA(c)); 1905 case IEEE80211_MODE_11NG: 1906 return (IEEE80211_IS_CHAN_HTG(c)); 1907 } 1908 return 1; 1909 1910 } 1911 1912 /* 1913 * Common code to set the current channel. If the device 1914 * is up and running this may result in an immediate channel 1915 * change or a kick of the state machine. 1916 */ 1917 static int 1918 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1919 { 1920 struct ieee80211com *ic = vap->iv_ic; 1921 int error; 1922 1923 if (c != IEEE80211_CHAN_ANYC) { 1924 if (IEEE80211_IS_CHAN_RADAR(c)) 1925 return EBUSY; /* XXX better code? */ 1926 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1927 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1928 return EINVAL; 1929 if (!check_mode_consistency(c, vap->iv_des_mode)) 1930 return EINVAL; 1931 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1932 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1933 return EINVAL; 1934 } 1935 if (vap->iv_state == IEEE80211_S_RUN && 1936 vap->iv_bss->ni_chan == c) 1937 return 0; /* NB: nothing to do */ 1938 } 1939 vap->iv_des_chan = c; 1940 1941 error = 0; 1942 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1943 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1944 /* 1945 * Monitor mode can switch directly. 1946 */ 1947 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1948 /* XXX need state machine for other vap's to follow */ 1949 ieee80211_setcurchan(ic, vap->iv_des_chan); 1950 vap->iv_bss->ni_chan = ic->ic_curchan; 1951 } else 1952 ic->ic_curchan = vap->iv_des_chan; 1953 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1954 } else { 1955 /* 1956 * Need to go through the state machine in case we 1957 * need to reassociate or the like. The state machine 1958 * will pickup the desired channel and avoid scanning. 1959 */ 1960 if (IS_UP_AUTO(vap)) 1961 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1962 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1963 /* 1964 * When not up+running and a real channel has 1965 * been specified fix the current channel so 1966 * there is immediate feedback; e.g. via ifconfig. 1967 */ 1968 ic->ic_curchan = vap->iv_des_chan; 1969 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1970 } 1971 } 1972 return error; 1973 } 1974 1975 /* 1976 * Old api for setting the current channel; this is 1977 * deprecated because channel numbers are ambiguous. 1978 */ 1979 static __noinline int 1980 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1981 const struct ieee80211req *ireq) 1982 { 1983 struct ieee80211com *ic = vap->iv_ic; 1984 struct ieee80211_channel *c; 1985 1986 /* XXX 0xffff overflows 16-bit signed */ 1987 if (ireq->i_val == 0 || 1988 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1989 c = IEEE80211_CHAN_ANYC; 1990 } else { 1991 struct ieee80211_channel *c2; 1992 1993 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 1994 if (c == NULL) { 1995 c = findchannel(ic, ireq->i_val, 1996 IEEE80211_MODE_AUTO); 1997 if (c == NULL) 1998 return EINVAL; 1999 } 2000 /* 2001 * Fine tune channel selection based on desired mode: 2002 * if 11b is requested, find the 11b version of any 2003 * 11g channel returned, 2004 * if static turbo, find the turbo version of any 2005 * 11a channel return, 2006 * if 11na is requested, find the ht version of any 2007 * 11a channel returned, 2008 * if 11ng is requested, find the ht version of any 2009 * 11g channel returned, 2010 * otherwise we should be ok with what we've got. 2011 */ 2012 switch (vap->iv_des_mode) { 2013 case IEEE80211_MODE_11B: 2014 if (IEEE80211_IS_CHAN_ANYG(c)) { 2015 c2 = findchannel(ic, ireq->i_val, 2016 IEEE80211_MODE_11B); 2017 /* NB: should not happen, =>'s 11g w/o 11b */ 2018 if (c2 != NULL) 2019 c = c2; 2020 } 2021 break; 2022 case IEEE80211_MODE_TURBO_A: 2023 if (IEEE80211_IS_CHAN_A(c)) { 2024 c2 = findchannel(ic, ireq->i_val, 2025 IEEE80211_MODE_TURBO_A); 2026 if (c2 != NULL) 2027 c = c2; 2028 } 2029 break; 2030 case IEEE80211_MODE_11NA: 2031 if (IEEE80211_IS_CHAN_A(c)) { 2032 c2 = findchannel(ic, ireq->i_val, 2033 IEEE80211_MODE_11NA); 2034 if (c2 != NULL) 2035 c = c2; 2036 } 2037 break; 2038 case IEEE80211_MODE_11NG: 2039 if (IEEE80211_IS_CHAN_ANYG(c)) { 2040 c2 = findchannel(ic, ireq->i_val, 2041 IEEE80211_MODE_11NG); 2042 if (c2 != NULL) 2043 c = c2; 2044 } 2045 break; 2046 default: /* NB: no static turboG */ 2047 break; 2048 } 2049 } 2050 return setcurchan(vap, c); 2051 } 2052 2053 /* 2054 * New/current api for setting the current channel; a complete 2055 * channel description is provide so there is no ambiguity in 2056 * identifying the channel. 2057 */ 2058 static __noinline int 2059 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2060 const struct ieee80211req *ireq) 2061 { 2062 struct ieee80211com *ic = vap->iv_ic; 2063 struct ieee80211_channel chan, *c; 2064 int error; 2065 2066 if (ireq->i_len != sizeof(chan)) 2067 return EINVAL; 2068 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2069 if (error != 0) 2070 return error; 2071 /* XXX 0xffff overflows 16-bit signed */ 2072 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2073 c = IEEE80211_CHAN_ANYC; 2074 } else { 2075 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2076 if (c == NULL) 2077 return EINVAL; 2078 } 2079 return setcurchan(vap, c); 2080 } 2081 2082 static __noinline int 2083 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2084 const struct ieee80211req *ireq) 2085 { 2086 struct ieee80211_regdomain_req *reg; 2087 int nchans, error; 2088 2089 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2090 sizeof(struct ieee80211_channel)); 2091 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2092 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2093 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2094 ireq->i_len, nchans); 2095 return EINVAL; 2096 } 2097 reg = (struct ieee80211_regdomain_req *) 2098 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT); 2099 if (reg == NULL) { 2100 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2101 "%s: no memory, nchans %d\n", __func__, nchans); 2102 return ENOMEM; 2103 } 2104 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2105 if (error == 0) { 2106 /* NB: validate inline channel count against storage size */ 2107 if (reg->chaninfo.ic_nchans != nchans) { 2108 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2109 "%s: chan cnt mismatch, %d != %d\n", __func__, 2110 reg->chaninfo.ic_nchans, nchans); 2111 error = EINVAL; 2112 } else 2113 error = ieee80211_setregdomain(vap, reg); 2114 } 2115 free(reg, M_TEMP); 2116 2117 return (error == 0 ? ENETRESET : error); 2118 } 2119 2120 static int 2121 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2122 const struct ieee80211req *ireq) 2123 { 2124 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2125 return EINVAL; 2126 /* XXX validate params */ 2127 /* XXX? ENETRESET to push to device? */ 2128 return copyin(ireq->i_data, vap->iv_roamparms, 2129 sizeof(vap->iv_roamparms)); 2130 } 2131 2132 static int 2133 checkrate(const struct ieee80211_rateset *rs, int rate) 2134 { 2135 int i; 2136 2137 if (rate == IEEE80211_FIXED_RATE_NONE) 2138 return 1; 2139 for (i = 0; i < rs->rs_nrates; i++) 2140 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2141 return 1; 2142 return 0; 2143 } 2144 2145 static int 2146 checkmcs(int mcs) 2147 { 2148 if (mcs == IEEE80211_FIXED_RATE_NONE) 2149 return 1; 2150 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2151 return 0; 2152 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2153 } 2154 2155 static __noinline int 2156 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2157 const struct ieee80211req *ireq) 2158 { 2159 struct ieee80211com *ic = vap->iv_ic; 2160 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2161 struct ieee80211_txparam *src, *dst; 2162 const struct ieee80211_rateset *rs; 2163 int error, mode, changed, is11n, nmodes; 2164 2165 /* NB: accept short requests for backwards compat */ 2166 if (ireq->i_len > sizeof(parms)) 2167 return EINVAL; 2168 error = copyin(ireq->i_data, &parms, ireq->i_len); 2169 if (error != 0) 2170 return error; 2171 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2172 changed = 0; 2173 /* validate parameters and check if anything changed */ 2174 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2175 if (isclr(ic->ic_modecaps, mode)) 2176 continue; 2177 src = &parms.params[mode]; 2178 dst = &vap->iv_txparms[mode]; 2179 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2180 is11n = (mode == IEEE80211_MODE_11NA || 2181 mode == IEEE80211_MODE_11NG); 2182 if (src->ucastrate != dst->ucastrate) { 2183 if (!checkrate(rs, src->ucastrate) && 2184 (!is11n || !checkmcs(src->ucastrate))) 2185 return EINVAL; 2186 changed++; 2187 } 2188 if (src->mcastrate != dst->mcastrate) { 2189 if (!checkrate(rs, src->mcastrate) && 2190 (!is11n || !checkmcs(src->mcastrate))) 2191 return EINVAL; 2192 changed++; 2193 } 2194 if (src->mgmtrate != dst->mgmtrate) { 2195 if (!checkrate(rs, src->mgmtrate) && 2196 (!is11n || !checkmcs(src->mgmtrate))) 2197 return EINVAL; 2198 changed++; 2199 } 2200 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2201 changed++; 2202 } 2203 if (changed) { 2204 /* 2205 * Copy new parameters in place and notify the 2206 * driver so it can push state to the device. 2207 */ 2208 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2209 if (isset(ic->ic_modecaps, mode)) 2210 vap->iv_txparms[mode] = parms.params[mode]; 2211 } 2212 /* XXX could be more intelligent, 2213 e.g. don't reset if setting not being used */ 2214 return ENETRESET; 2215 } 2216 return 0; 2217 } 2218 2219 /* 2220 * Application Information Element support. 2221 */ 2222 static int 2223 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2224 { 2225 struct ieee80211_appie *app = *aie; 2226 struct ieee80211_appie *napp; 2227 int error; 2228 2229 if (ireq->i_len == 0) { /* delete any existing ie */ 2230 if (app != NULL) { 2231 *aie = NULL; /* XXX racey */ 2232 free(app, M_80211_NODE_IE); 2233 } 2234 return 0; 2235 } 2236 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2237 return EINVAL; 2238 /* 2239 * Allocate a new appie structure and copy in the user data. 2240 * When done swap in the new structure. Note that we do not 2241 * guard against users holding a ref to the old structure; 2242 * this must be handled outside this code. 2243 * 2244 * XXX bad bad bad 2245 */ 2246 napp = (struct ieee80211_appie *) malloc( 2247 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT); 2248 if (napp == NULL) 2249 return ENOMEM; 2250 /* XXX holding ic lock */ 2251 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2252 if (error) { 2253 free(napp, M_80211_NODE_IE); 2254 return error; 2255 } 2256 napp->ie_len = ireq->i_len; 2257 *aie = napp; 2258 if (app != NULL) 2259 free(app, M_80211_NODE_IE); 2260 return 0; 2261 } 2262 2263 static void 2264 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2265 { 2266 /* validate data is present as best we can */ 2267 if (space == 0 || 2+ie[1] > space) 2268 return; 2269 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2270 vap->iv_wpa_ie = ie; 2271 else if (ie[0] == IEEE80211_ELEMID_RSN) 2272 vap->iv_rsn_ie = ie; 2273 } 2274 2275 static __noinline int 2276 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2277 const struct ieee80211req *ireq, int fc0) 2278 { 2279 int error; 2280 2281 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2282 2283 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2284 case IEEE80211_FC0_SUBTYPE_BEACON: 2285 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2286 vap->iv_opmode != IEEE80211_M_IBSS) { 2287 error = EINVAL; 2288 break; 2289 } 2290 error = setappie(&vap->iv_appie_beacon, ireq); 2291 if (error == 0) 2292 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2293 break; 2294 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2295 error = setappie(&vap->iv_appie_proberesp, ireq); 2296 break; 2297 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2298 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2299 error = setappie(&vap->iv_appie_assocresp, ireq); 2300 else 2301 error = EINVAL; 2302 break; 2303 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2304 error = setappie(&vap->iv_appie_probereq, ireq); 2305 break; 2306 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2307 if (vap->iv_opmode == IEEE80211_M_STA) 2308 error = setappie(&vap->iv_appie_assocreq, ireq); 2309 else 2310 error = EINVAL; 2311 break; 2312 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2313 error = setappie(&vap->iv_appie_wpa, ireq); 2314 if (error == 0) { 2315 /* 2316 * Must split single blob of data into separate 2317 * WPA and RSN ie's because they go in different 2318 * locations in the mgt frames. 2319 * XXX use IEEE80211_IOC_WPA2 so user code does split 2320 */ 2321 vap->iv_wpa_ie = NULL; 2322 vap->iv_rsn_ie = NULL; 2323 if (vap->iv_appie_wpa != NULL) { 2324 struct ieee80211_appie *appie = 2325 vap->iv_appie_wpa; 2326 uint8_t *data = appie->ie_data; 2327 2328 /* XXX ie length validate is painful, cheat */ 2329 setwparsnie(vap, data, appie->ie_len); 2330 setwparsnie(vap, data + 2 + data[1], 2331 appie->ie_len - (2 + data[1])); 2332 } 2333 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2334 vap->iv_opmode == IEEE80211_M_IBSS) { 2335 /* 2336 * Must rebuild beacon frame as the update 2337 * mechanism doesn't handle WPA/RSN ie's. 2338 * Could extend it but it doesn't normally 2339 * change; this is just to deal with hostapd 2340 * plumbing the ie after the interface is up. 2341 */ 2342 error = ENETRESET; 2343 } 2344 } 2345 break; 2346 default: 2347 error = EINVAL; 2348 break; 2349 } 2350 return error; 2351 } 2352 2353 static __noinline int 2354 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2355 const struct ieee80211req *ireq) 2356 { 2357 struct ieee80211com *ic = vap->iv_ic; 2358 int error; 2359 uint8_t fc0; 2360 2361 fc0 = ireq->i_val & 0xff; 2362 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2363 return EINVAL; 2364 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2365 IEEE80211_LOCK(ic); 2366 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2367 IEEE80211_UNLOCK(ic); 2368 return error; 2369 } 2370 2371 static __noinline int 2372 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2373 { 2374 struct ieee80211com *ic = vap->iv_ic; 2375 struct ieee80211_chanswitch_req csr; 2376 struct ieee80211_channel *c; 2377 int error; 2378 2379 if (ireq->i_len != sizeof(csr)) 2380 return EINVAL; 2381 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2382 if (error != 0) 2383 return error; 2384 /* XXX adhoc mode not supported */ 2385 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2386 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2387 return EOPNOTSUPP; 2388 c = ieee80211_find_channel(ic, 2389 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2390 if (c == NULL) 2391 return ENOENT; 2392 IEEE80211_LOCK(ic); 2393 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2394 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2395 else if (csr.csa_count == 0) 2396 ieee80211_csa_cancelswitch(ic); 2397 else 2398 error = EBUSY; 2399 IEEE80211_UNLOCK(ic); 2400 return error; 2401 } 2402 2403 static int 2404 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2405 { 2406 #define IEEE80211_IOC_SCAN_FLAGS \ 2407 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2408 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2409 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2410 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2411 IEEE80211_IOC_SCAN_CHECK) 2412 struct ieee80211com *ic = vap->iv_ic; 2413 int error, i; 2414 2415 /* convert duration */ 2416 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2417 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2418 else { 2419 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2420 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2421 return EINVAL; 2422 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2423 if (sr->sr_duration < 1) 2424 sr->sr_duration = 1; 2425 } 2426 /* convert min/max channel dwell */ 2427 if (sr->sr_mindwell != 0) { 2428 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2429 if (sr->sr_mindwell < 1) 2430 sr->sr_mindwell = 1; 2431 } 2432 if (sr->sr_maxdwell != 0) { 2433 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2434 if (sr->sr_maxdwell < 1) 2435 sr->sr_maxdwell = 1; 2436 } 2437 /* NB: silently reduce ssid count to what is supported */ 2438 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2439 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2440 for (i = 0; i < sr->sr_nssid; i++) 2441 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2442 return EINVAL; 2443 /* cleanse flags just in case, could reject if invalid flags */ 2444 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2445 /* 2446 * Add an implicit NOPICK if the vap is not marked UP. This 2447 * allows applications to scan without joining a bss (or picking 2448 * a channel and setting up a bss) and without forcing manual 2449 * roaming mode--you just need to mark the parent device UP. 2450 */ 2451 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2452 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2453 2454 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2455 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2456 __func__, sr->sr_flags, 2457 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2458 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2459 /* 2460 * If we are in INIT state then the driver has never had a chance 2461 * to setup hardware state to do a scan; we must use the state 2462 * machine to get us up to the SCAN state but once we reach SCAN 2463 * state we then want to use the supplied params. Stash the 2464 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2465 * state machines will recognize this and use the stashed params 2466 * to issue the scan request. 2467 * 2468 * Otherwise just invoke the scan machinery directly. 2469 */ 2470 IEEE80211_LOCK(ic); 2471 if (vap->iv_state == IEEE80211_S_INIT) { 2472 /* NB: clobbers previous settings */ 2473 vap->iv_scanreq_flags = sr->sr_flags; 2474 vap->iv_scanreq_duration = sr->sr_duration; 2475 vap->iv_scanreq_nssid = sr->sr_nssid; 2476 for (i = 0; i < sr->sr_nssid; i++) { 2477 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2478 memcpy(vap->iv_scanreq_ssid[i].ssid, 2479 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2480 } 2481 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2482 IEEE80211_UNLOCK(ic); 2483 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2484 } else { 2485 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2486 IEEE80211_UNLOCK(ic); 2487 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2488 error = ieee80211_check_scan(vap, sr->sr_flags, 2489 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2490 sr->sr_nssid, 2491 /* NB: cheat, we assume structures are compatible */ 2492 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2493 } else { 2494 error = ieee80211_start_scan(vap, sr->sr_flags, 2495 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2496 sr->sr_nssid, 2497 /* NB: cheat, we assume structures are compatible */ 2498 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2499 } 2500 if (error == 0) 2501 return EINPROGRESS; 2502 } 2503 return 0; 2504 #undef IEEE80211_IOC_SCAN_FLAGS 2505 } 2506 2507 static __noinline int 2508 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2509 { 2510 struct ieee80211com *ic = vap->iv_ic; 2511 struct ieee80211_scan_req sr; /* XXX off stack? */ 2512 int error; 2513 2514 /* NB: parent must be running */ 2515 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2516 return ENXIO; 2517 2518 if (ireq->i_len != sizeof(sr)) 2519 return EINVAL; 2520 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2521 if (error != 0) 2522 return error; 2523 return ieee80211_scanreq(vap, &sr); 2524 } 2525 2526 static __noinline int 2527 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2528 { 2529 struct ieee80211_node *ni; 2530 struct ieee80211req_sta_vlan vlan; 2531 int error; 2532 2533 if (ireq->i_len != sizeof(vlan)) 2534 return EINVAL; 2535 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2536 if (error != 0) 2537 return error; 2538 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2539 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2540 vlan.sv_macaddr); 2541 if (ni == NULL) 2542 return ENOENT; 2543 } else 2544 ni = ieee80211_ref_node(vap->iv_bss); 2545 ni->ni_vlan = vlan.sv_vlan; 2546 ieee80211_free_node(ni); 2547 return error; 2548 } 2549 2550 static int 2551 isvap11g(const struct ieee80211vap *vap) 2552 { 2553 const struct ieee80211_node *bss = vap->iv_bss; 2554 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2555 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2556 } 2557 2558 static int 2559 isvapht(const struct ieee80211vap *vap) 2560 { 2561 const struct ieee80211_node *bss = vap->iv_bss; 2562 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2563 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2564 } 2565 2566 /* 2567 * Dummy ioctl set handler so the linker set is defined. 2568 */ 2569 static int 2570 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2571 { 2572 return ENOSYS; 2573 } 2574 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2575 2576 static int 2577 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2578 { 2579 ieee80211_ioctl_setfunc * const *set; 2580 int error; 2581 2582 SET_FOREACH(set, ieee80211_ioctl_setset) { 2583 error = (*set)(vap, ireq); 2584 if (error != ENOSYS) 2585 return error; 2586 } 2587 return EINVAL; 2588 } 2589 2590 static __noinline int 2591 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2592 { 2593 struct ieee80211com *ic = vap->iv_ic; 2594 int error; 2595 const struct ieee80211_authenticator *auth; 2596 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2597 char tmpssid[IEEE80211_NWID_LEN]; 2598 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2599 struct ieee80211_key *k; 2600 u_int kid; 2601 uint32_t flags; 2602 2603 error = 0; 2604 switch (ireq->i_type) { 2605 case IEEE80211_IOC_SSID: 2606 if (ireq->i_val != 0 || 2607 ireq->i_len > IEEE80211_NWID_LEN) 2608 return EINVAL; 2609 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2610 if (error) 2611 break; 2612 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2613 vap->iv_des_ssid[0].len = ireq->i_len; 2614 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2615 vap->iv_des_nssid = (ireq->i_len > 0); 2616 error = ENETRESET; 2617 break; 2618 case IEEE80211_IOC_WEP: 2619 switch (ireq->i_val) { 2620 case IEEE80211_WEP_OFF: 2621 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2622 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2623 break; 2624 case IEEE80211_WEP_ON: 2625 vap->iv_flags |= IEEE80211_F_PRIVACY; 2626 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2627 break; 2628 case IEEE80211_WEP_MIXED: 2629 vap->iv_flags |= IEEE80211_F_PRIVACY; 2630 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2631 break; 2632 } 2633 error = ENETRESET; 2634 break; 2635 case IEEE80211_IOC_WEPKEY: 2636 kid = (u_int) ireq->i_val; 2637 if (kid >= IEEE80211_WEP_NKID) 2638 return EINVAL; 2639 k = &vap->iv_nw_keys[kid]; 2640 if (ireq->i_len == 0) { 2641 /* zero-len =>'s delete any existing key */ 2642 (void) ieee80211_crypto_delkey(vap, k); 2643 break; 2644 } 2645 if (ireq->i_len > sizeof(tmpkey)) 2646 return EINVAL; 2647 memset(tmpkey, 0, sizeof(tmpkey)); 2648 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2649 if (error) 2650 break; 2651 ieee80211_key_update_begin(vap); 2652 k->wk_keyix = kid; /* NB: force fixed key id */ 2653 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2654 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2655 k->wk_keylen = ireq->i_len; 2656 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2657 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2658 if (!ieee80211_crypto_setkey(vap, k)) 2659 error = EINVAL; 2660 } else 2661 error = EINVAL; 2662 ieee80211_key_update_end(vap); 2663 break; 2664 case IEEE80211_IOC_WEPTXKEY: 2665 kid = (u_int) ireq->i_val; 2666 if (kid >= IEEE80211_WEP_NKID && 2667 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2668 return EINVAL; 2669 vap->iv_def_txkey = kid; 2670 break; 2671 case IEEE80211_IOC_AUTHMODE: 2672 switch (ireq->i_val) { 2673 case IEEE80211_AUTH_WPA: 2674 case IEEE80211_AUTH_8021X: /* 802.1x */ 2675 case IEEE80211_AUTH_OPEN: /* open */ 2676 case IEEE80211_AUTH_SHARED: /* shared-key */ 2677 case IEEE80211_AUTH_AUTO: /* auto */ 2678 auth = ieee80211_authenticator_get(ireq->i_val); 2679 if (auth == NULL) 2680 return EINVAL; 2681 break; 2682 default: 2683 return EINVAL; 2684 } 2685 switch (ireq->i_val) { 2686 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2687 vap->iv_flags |= IEEE80211_F_PRIVACY; 2688 ireq->i_val = IEEE80211_AUTH_8021X; 2689 break; 2690 case IEEE80211_AUTH_OPEN: /* open */ 2691 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2692 break; 2693 case IEEE80211_AUTH_SHARED: /* shared-key */ 2694 case IEEE80211_AUTH_8021X: /* 802.1x */ 2695 vap->iv_flags &= ~IEEE80211_F_WPA; 2696 /* both require a key so mark the PRIVACY capability */ 2697 vap->iv_flags |= IEEE80211_F_PRIVACY; 2698 break; 2699 case IEEE80211_AUTH_AUTO: /* auto */ 2700 vap->iv_flags &= ~IEEE80211_F_WPA; 2701 /* XXX PRIVACY handling? */ 2702 /* XXX what's the right way to do this? */ 2703 break; 2704 } 2705 /* NB: authenticator attach/detach happens on state change */ 2706 vap->iv_bss->ni_authmode = ireq->i_val; 2707 /* XXX mixed/mode/usage? */ 2708 vap->iv_auth = auth; 2709 error = ENETRESET; 2710 break; 2711 case IEEE80211_IOC_CHANNEL: 2712 error = ieee80211_ioctl_setchannel(vap, ireq); 2713 break; 2714 case IEEE80211_IOC_POWERSAVE: 2715 switch (ireq->i_val) { 2716 case IEEE80211_POWERSAVE_OFF: 2717 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2718 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2719 error = ERESTART; 2720 } 2721 break; 2722 case IEEE80211_POWERSAVE_ON: 2723 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2724 error = EOPNOTSUPP; 2725 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2726 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2727 error = ERESTART; 2728 } 2729 break; 2730 default: 2731 error = EINVAL; 2732 break; 2733 } 2734 break; 2735 case IEEE80211_IOC_POWERSAVESLEEP: 2736 if (ireq->i_val < 0) 2737 return EINVAL; 2738 ic->ic_lintval = ireq->i_val; 2739 error = ERESTART; 2740 break; 2741 case IEEE80211_IOC_RTSTHRESHOLD: 2742 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2743 ireq->i_val <= IEEE80211_RTS_MAX)) 2744 return EINVAL; 2745 vap->iv_rtsthreshold = ireq->i_val; 2746 error = ERESTART; 2747 break; 2748 case IEEE80211_IOC_PROTMODE: 2749 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2750 return EINVAL; 2751 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2752 /* NB: if not operating in 11g this can wait */ 2753 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2754 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2755 error = ERESTART; 2756 break; 2757 case IEEE80211_IOC_TXPOWER: 2758 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2759 return EOPNOTSUPP; 2760 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2761 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2762 return EINVAL; 2763 ic->ic_txpowlimit = ireq->i_val; 2764 error = ERESTART; 2765 break; 2766 case IEEE80211_IOC_ROAMING: 2767 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2768 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2769 return EINVAL; 2770 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2771 /* XXXX reset? */ 2772 break; 2773 case IEEE80211_IOC_PRIVACY: 2774 if (ireq->i_val) { 2775 /* XXX check for key state? */ 2776 vap->iv_flags |= IEEE80211_F_PRIVACY; 2777 } else 2778 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2779 /* XXX ERESTART? */ 2780 break; 2781 case IEEE80211_IOC_DROPUNENCRYPTED: 2782 if (ireq->i_val) 2783 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2784 else 2785 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2786 /* XXX ERESTART? */ 2787 break; 2788 case IEEE80211_IOC_WPAKEY: 2789 error = ieee80211_ioctl_setkey(vap, ireq); 2790 break; 2791 case IEEE80211_IOC_DELKEY: 2792 error = ieee80211_ioctl_delkey(vap, ireq); 2793 break; 2794 case IEEE80211_IOC_MLME: 2795 error = ieee80211_ioctl_setmlme(vap, ireq); 2796 break; 2797 case IEEE80211_IOC_COUNTERMEASURES: 2798 if (ireq->i_val) { 2799 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2800 return EOPNOTSUPP; 2801 vap->iv_flags |= IEEE80211_F_COUNTERM; 2802 } else 2803 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2804 /* XXX ERESTART? */ 2805 break; 2806 case IEEE80211_IOC_WPA: 2807 if (ireq->i_val > 3) 2808 return EINVAL; 2809 /* XXX verify ciphers available */ 2810 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2811 switch (ireq->i_val) { 2812 case 1: 2813 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2814 return EOPNOTSUPP; 2815 flags |= IEEE80211_F_WPA1; 2816 break; 2817 case 2: 2818 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2819 return EOPNOTSUPP; 2820 flags |= IEEE80211_F_WPA2; 2821 break; 2822 case 3: 2823 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2824 return EOPNOTSUPP; 2825 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2826 break; 2827 default: /* Can't set any -> error */ 2828 return EOPNOTSUPP; 2829 } 2830 vap->iv_flags = flags; 2831 error = ERESTART; /* NB: can change beacon frame */ 2832 break; 2833 case IEEE80211_IOC_WME: 2834 if (ireq->i_val) { 2835 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2836 return EOPNOTSUPP; 2837 ieee80211_syncflag(vap, IEEE80211_F_WME); 2838 } else 2839 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2840 error = ERESTART; /* NB: can change beacon frame */ 2841 break; 2842 case IEEE80211_IOC_HIDESSID: 2843 if (ireq->i_val) 2844 vap->iv_flags |= IEEE80211_F_HIDESSID; 2845 else 2846 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2847 error = ERESTART; /* XXX ENETRESET? */ 2848 break; 2849 case IEEE80211_IOC_APBRIDGE: 2850 if (ireq->i_val == 0) 2851 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2852 else 2853 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2854 break; 2855 case IEEE80211_IOC_BSSID: 2856 if (ireq->i_len != sizeof(tmpbssid)) 2857 return EINVAL; 2858 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2859 if (error) 2860 break; 2861 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2862 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2863 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2864 else 2865 vap->iv_flags |= IEEE80211_F_DESBSSID; 2866 error = ENETRESET; 2867 break; 2868 case IEEE80211_IOC_CHANLIST: 2869 error = ieee80211_ioctl_setchanlist(vap, ireq); 2870 break; 2871 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2872 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2873 case OLD_IEEE80211_IOC_SCAN_REQ: 2874 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2875 "%s: active scan request\n", __func__); 2876 /* 2877 * If we are in INIT state then the driver has never 2878 * had a chance to setup hardware state to do a scan; 2879 * use the state machine to get us up the SCAN state. 2880 * Otherwise just invoke the scan machinery to start 2881 * a one-time scan. 2882 */ 2883 if (vap->iv_state == IEEE80211_S_INIT) 2884 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2885 else 2886 (void) ieee80211_start_scan(vap, 2887 IEEE80211_SCAN_ACTIVE | 2888 IEEE80211_SCAN_NOPICK | 2889 IEEE80211_SCAN_ONCE, 2890 IEEE80211_SCAN_FOREVER, 0, 0, 2891 /* XXX use ioctl params */ 2892 vap->iv_des_nssid, vap->iv_des_ssid); 2893 break; 2894 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2895 case IEEE80211_IOC_SCAN_REQ: 2896 error = ieee80211_ioctl_scanreq(vap, ireq); 2897 break; 2898 case IEEE80211_IOC_SCAN_CANCEL: 2899 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2900 "%s: cancel scan\n", __func__); 2901 ieee80211_cancel_scan(vap); 2902 break; 2903 case IEEE80211_IOC_HTCONF: 2904 if (ireq->i_val & 1) 2905 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2906 else 2907 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2908 if (ireq->i_val & 2) 2909 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2910 else 2911 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2912 error = ENETRESET; 2913 break; 2914 case IEEE80211_IOC_ADDMAC: 2915 case IEEE80211_IOC_DELMAC: 2916 error = ieee80211_ioctl_macmac(vap, ireq); 2917 break; 2918 case IEEE80211_IOC_MACCMD: 2919 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2920 break; 2921 case IEEE80211_IOC_STA_STATS: 2922 error = ieee80211_ioctl_setstastats(vap, ireq); 2923 break; 2924 case IEEE80211_IOC_STA_TXPOW: 2925 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2926 break; 2927 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2928 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2929 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2930 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2931 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2932 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2933 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2934 break; 2935 case IEEE80211_IOC_DTIM_PERIOD: 2936 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2937 vap->iv_opmode != IEEE80211_M_MBSS && 2938 vap->iv_opmode != IEEE80211_M_IBSS) 2939 return EINVAL; 2940 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2941 ireq->i_val <= IEEE80211_DTIM_MAX) { 2942 vap->iv_dtim_period = ireq->i_val; 2943 error = ENETRESET; /* requires restart */ 2944 } else 2945 error = EINVAL; 2946 break; 2947 case IEEE80211_IOC_BEACON_INTERVAL: 2948 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2949 vap->iv_opmode != IEEE80211_M_MBSS && 2950 vap->iv_opmode != IEEE80211_M_IBSS) 2951 return EINVAL; 2952 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2953 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2954 ic->ic_bintval = ireq->i_val; 2955 error = ENETRESET; /* requires restart */ 2956 } else 2957 error = EINVAL; 2958 break; 2959 case IEEE80211_IOC_PUREG: 2960 if (ireq->i_val) 2961 vap->iv_flags |= IEEE80211_F_PUREG; 2962 else 2963 vap->iv_flags &= ~IEEE80211_F_PUREG; 2964 /* NB: reset only if we're operating on an 11g channel */ 2965 if (isvap11g(vap)) 2966 error = ENETRESET; 2967 break; 2968 case IEEE80211_IOC_QUIET: 2969 vap->iv_quiet= ireq->i_val; 2970 break; 2971 case IEEE80211_IOC_QUIET_COUNT: 2972 vap->iv_quiet_count=ireq->i_val; 2973 break; 2974 case IEEE80211_IOC_QUIET_PERIOD: 2975 vap->iv_quiet_period=ireq->i_val; 2976 break; 2977 case IEEE80211_IOC_QUIET_OFFSET: 2978 vap->iv_quiet_offset=ireq->i_val; 2979 break; 2980 case IEEE80211_IOC_QUIET_DUR: 2981 if(ireq->i_val < vap->iv_bss->ni_intval) 2982 vap->iv_quiet_duration = ireq->i_val; 2983 else 2984 error = EINVAL; 2985 break; 2986 case IEEE80211_IOC_BGSCAN: 2987 if (ireq->i_val) { 2988 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 2989 return EOPNOTSUPP; 2990 vap->iv_flags |= IEEE80211_F_BGSCAN; 2991 } else 2992 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 2993 break; 2994 case IEEE80211_IOC_BGSCAN_IDLE: 2995 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 2996 vap->iv_bgscanidle = ireq->i_val*hz/1000; 2997 else 2998 error = EINVAL; 2999 break; 3000 case IEEE80211_IOC_BGSCAN_INTERVAL: 3001 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3002 vap->iv_bgscanintvl = ireq->i_val*hz; 3003 else 3004 error = EINVAL; 3005 break; 3006 case IEEE80211_IOC_SCANVALID: 3007 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3008 vap->iv_scanvalid = ireq->i_val*hz; 3009 else 3010 error = EINVAL; 3011 break; 3012 case IEEE80211_IOC_FRAGTHRESHOLD: 3013 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3014 ireq->i_val != IEEE80211_FRAG_MAX) 3015 return EOPNOTSUPP; 3016 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3017 ireq->i_val <= IEEE80211_FRAG_MAX)) 3018 return EINVAL; 3019 vap->iv_fragthreshold = ireq->i_val; 3020 error = ERESTART; 3021 break; 3022 case IEEE80211_IOC_BURST: 3023 if (ireq->i_val) { 3024 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3025 return EOPNOTSUPP; 3026 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3027 } else 3028 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3029 error = ERESTART; 3030 break; 3031 case IEEE80211_IOC_BMISSTHRESHOLD: 3032 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3033 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3034 return EINVAL; 3035 vap->iv_bmissthreshold = ireq->i_val; 3036 error = ERESTART; 3037 break; 3038 case IEEE80211_IOC_CURCHAN: 3039 error = ieee80211_ioctl_setcurchan(vap, ireq); 3040 break; 3041 case IEEE80211_IOC_SHORTGI: 3042 if (ireq->i_val) { 3043 #define IEEE80211_HTCAP_SHORTGI \ 3044 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3045 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3046 return EINVAL; 3047 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3048 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3049 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3050 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3051 #undef IEEE80211_HTCAP_SHORTGI 3052 } else 3053 vap->iv_flags_ht &= 3054 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3055 error = ERESTART; 3056 break; 3057 case IEEE80211_IOC_AMPDU: 3058 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3059 return EINVAL; 3060 if (ireq->i_val & 1) 3061 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3062 else 3063 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3064 if (ireq->i_val & 2) 3065 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3066 else 3067 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3068 /* NB: reset only if we're operating on an 11n channel */ 3069 if (isvapht(vap)) 3070 error = ERESTART; 3071 break; 3072 case IEEE80211_IOC_AMPDU_LIMIT: 3073 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3074 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3075 return EINVAL; 3076 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3077 vap->iv_ampdu_rxmax = ireq->i_val; 3078 else 3079 vap->iv_ampdu_limit = ireq->i_val; 3080 error = ERESTART; 3081 break; 3082 case IEEE80211_IOC_AMPDU_DENSITY: 3083 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3084 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3085 return EINVAL; 3086 vap->iv_ampdu_density = ireq->i_val; 3087 error = ERESTART; 3088 break; 3089 case IEEE80211_IOC_AMSDU: 3090 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3091 return EINVAL; 3092 if (ireq->i_val & 1) 3093 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3094 else 3095 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3096 if (ireq->i_val & 2) 3097 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3098 else 3099 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3100 /* NB: reset only if we're operating on an 11n channel */ 3101 if (isvapht(vap)) 3102 error = ERESTART; 3103 break; 3104 case IEEE80211_IOC_AMSDU_LIMIT: 3105 /* XXX validate */ 3106 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3107 break; 3108 case IEEE80211_IOC_PUREN: 3109 if (ireq->i_val) { 3110 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3111 return EINVAL; 3112 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3113 } else 3114 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3115 /* NB: reset only if we're operating on an 11n channel */ 3116 if (isvapht(vap)) 3117 error = ERESTART; 3118 break; 3119 case IEEE80211_IOC_DOTH: 3120 if (ireq->i_val) { 3121 #if 0 3122 /* XXX no capability */ 3123 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3124 return EOPNOTSUPP; 3125 #endif 3126 vap->iv_flags |= IEEE80211_F_DOTH; 3127 } else 3128 vap->iv_flags &= ~IEEE80211_F_DOTH; 3129 error = ENETRESET; 3130 break; 3131 case IEEE80211_IOC_REGDOMAIN: 3132 error = ieee80211_ioctl_setregdomain(vap, ireq); 3133 break; 3134 case IEEE80211_IOC_ROAM: 3135 error = ieee80211_ioctl_setroam(vap, ireq); 3136 break; 3137 case IEEE80211_IOC_TXPARAMS: 3138 error = ieee80211_ioctl_settxparams(vap, ireq); 3139 break; 3140 case IEEE80211_IOC_HTCOMPAT: 3141 if (ireq->i_val) { 3142 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3143 return EOPNOTSUPP; 3144 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3145 } else 3146 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3147 /* NB: reset only if we're operating on an 11n channel */ 3148 if (isvapht(vap)) 3149 error = ERESTART; 3150 break; 3151 case IEEE80211_IOC_DWDS: 3152 if (ireq->i_val) { 3153 /* NB: DWDS only makes sense for WDS-capable devices */ 3154 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3155 return EOPNOTSUPP; 3156 /* NB: DWDS is used only with ap+sta vaps */ 3157 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3158 vap->iv_opmode != IEEE80211_M_STA) 3159 return EINVAL; 3160 vap->iv_flags |= IEEE80211_F_DWDS; 3161 if (vap->iv_opmode == IEEE80211_M_STA) 3162 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3163 } else { 3164 vap->iv_flags &= ~IEEE80211_F_DWDS; 3165 if (vap->iv_opmode == IEEE80211_M_STA) 3166 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3167 } 3168 break; 3169 case IEEE80211_IOC_INACTIVITY: 3170 if (ireq->i_val) 3171 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3172 else 3173 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3174 break; 3175 case IEEE80211_IOC_APPIE: 3176 error = ieee80211_ioctl_setappie(vap, ireq); 3177 break; 3178 case IEEE80211_IOC_WPS: 3179 if (ireq->i_val) { 3180 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3181 return EOPNOTSUPP; 3182 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3183 } else 3184 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3185 break; 3186 case IEEE80211_IOC_TSN: 3187 if (ireq->i_val) { 3188 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3189 return EOPNOTSUPP; 3190 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3191 } else 3192 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3193 break; 3194 case IEEE80211_IOC_CHANSWITCH: 3195 error = ieee80211_ioctl_chanswitch(vap, ireq); 3196 break; 3197 case IEEE80211_IOC_DFS: 3198 if (ireq->i_val) { 3199 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3200 return EOPNOTSUPP; 3201 /* NB: DFS requires 11h support */ 3202 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3203 return EINVAL; 3204 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3205 } else 3206 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3207 break; 3208 case IEEE80211_IOC_DOTD: 3209 if (ireq->i_val) 3210 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3211 else 3212 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3213 if (vap->iv_opmode == IEEE80211_M_STA) 3214 error = ENETRESET; 3215 break; 3216 case IEEE80211_IOC_HTPROTMODE: 3217 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3218 return EINVAL; 3219 ic->ic_htprotmode = ireq->i_val ? 3220 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3221 /* NB: if not operating in 11n this can wait */ 3222 if (isvapht(vap)) 3223 error = ERESTART; 3224 break; 3225 case IEEE80211_IOC_STA_VLAN: 3226 error = ieee80211_ioctl_setstavlan(vap, ireq); 3227 break; 3228 case IEEE80211_IOC_SMPS: 3229 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3230 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3231 return EINVAL; 3232 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3233 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3234 return EOPNOTSUPP; 3235 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3236 ireq->i_val; 3237 /* NB: if not operating in 11n this can wait */ 3238 if (isvapht(vap)) 3239 error = ERESTART; 3240 break; 3241 case IEEE80211_IOC_RIFS: 3242 if (ireq->i_val != 0) { 3243 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3244 return EOPNOTSUPP; 3245 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3246 } else 3247 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3248 /* NB: if not operating in 11n this can wait */ 3249 if (isvapht(vap)) 3250 error = ERESTART; 3251 break; 3252 default: 3253 error = ieee80211_ioctl_setdefault(vap, ireq); 3254 break; 3255 } 3256 /* 3257 * The convention is that ENETRESET means an operation 3258 * requires a complete re-initialization of the device (e.g. 3259 * changing something that affects the association state). 3260 * ERESTART means the request may be handled with only a 3261 * reload of the hardware state. We hand ERESTART requests 3262 * to the iv_reset callback so the driver can decide. If 3263 * a device does not fillin iv_reset then it defaults to one 3264 * that returns ENETRESET. Otherwise a driver may return 3265 * ENETRESET (in which case a full reset will be done) or 3266 * 0 to mean there's no need to do anything (e.g. when the 3267 * change has no effect on the driver/device). 3268 */ 3269 if (error == ERESTART) 3270 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3271 vap->iv_reset(vap, ireq->i_type) : 0; 3272 if (error == ENETRESET) { 3273 /* XXX need to re-think AUTO handling */ 3274 if (IS_UP_AUTO(vap)) 3275 ieee80211_init(vap); 3276 error = 0; 3277 } 3278 return error; 3279 } 3280 3281 /* 3282 * Rebuild the parent's multicast address list after an add/del 3283 * of a multicast address for a vap. We have no way to tell 3284 * what happened above to optimize the work so we purge the entire 3285 * list and rebuild from scratch. This is way expensive. 3286 * Note also the half-baked workaround for if_addmulti calling 3287 * back to the parent device; there's no way to insert mcast 3288 * entries quietly and/or cheaply. 3289 */ 3290 static void 3291 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3292 { 3293 struct ifnet *parent = ic->ic_ifp; 3294 struct ieee80211vap *vap; 3295 void *ioctl; 3296 3297 IEEE80211_LOCK(ic); 3298 if_delallmulti(parent); 3299 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3300 parent->if_ioctl = NULL; 3301 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3302 struct ifnet *ifp = vap->iv_ifp; 3303 struct ifmultiaddr *ifma; 3304 3305 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3306 if (ifma->ifma_addr->sa_family != AF_LINK) 3307 continue; 3308 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3309 } 3310 } 3311 parent->if_ioctl = ioctl; 3312 ieee80211_runtask(ic, &ic->ic_mcast_task); 3313 IEEE80211_UNLOCK(ic); 3314 } 3315 3316 int 3317 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3318 { 3319 struct ieee80211vap *vap = ifp->if_softc; 3320 struct ieee80211com *ic = vap->iv_ic; 3321 int error = 0; 3322 struct ifreq *ifr; 3323 struct ifaddr *ifa; /* XXX */ 3324 3325 switch (cmd) { 3326 case SIOCSIFFLAGS: 3327 IEEE80211_LOCK(ic); 3328 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3329 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3330 if (ifp->if_flags & IFF_UP) { 3331 /* 3332 * Bring ourself up unless we're already operational. 3333 * If we're the first vap and the parent is not up 3334 * then it will automatically be brought up as a 3335 * side-effect of bringing ourself up. 3336 */ 3337 if (vap->iv_state == IEEE80211_S_INIT) 3338 ieee80211_start_locked(vap); 3339 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3340 /* 3341 * Stop ourself. If we are the last vap to be 3342 * marked down the parent will also be taken down. 3343 */ 3344 ieee80211_stop_locked(vap); 3345 } 3346 IEEE80211_UNLOCK(ic); 3347 /* Wait for parent ioctl handler if it was queued */ 3348 ieee80211_waitfor_parent(ic); 3349 break; 3350 case SIOCADDMULTI: 3351 case SIOCDELMULTI: 3352 ieee80211_ioctl_updatemulti(ic); 3353 break; 3354 case SIOCSIFMEDIA: 3355 case SIOCGIFMEDIA: 3356 ifr = (struct ifreq *)data; 3357 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3358 break; 3359 case SIOCG80211: 3360 error = ieee80211_ioctl_get80211(vap, cmd, 3361 (struct ieee80211req *) data); 3362 break; 3363 case SIOCS80211: 3364 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3365 if (error == 0) 3366 error = ieee80211_ioctl_set80211(vap, cmd, 3367 (struct ieee80211req *) data); 3368 break; 3369 case SIOCG80211STATS: 3370 ifr = (struct ifreq *)data; 3371 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3372 break; 3373 case SIOCSIFMTU: 3374 ifr = (struct ifreq *)data; 3375 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3376 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3377 error = EINVAL; 3378 else 3379 ifp->if_mtu = ifr->ifr_mtu; 3380 break; 3381 case SIOCSIFADDR: 3382 /* 3383 * XXX Handle this directly so we can supress if_init calls. 3384 * XXX This should be done in ether_ioctl but for the moment 3385 * XXX there are too many other parts of the system that 3386 * XXX set IFF_UP and so supress if_init being called when 3387 * XXX it should be. 3388 */ 3389 ifa = (struct ifaddr *) data; 3390 switch (ifa->ifa_addr->sa_family) { 3391 #ifdef INET 3392 case AF_INET: 3393 if ((ifp->if_flags & IFF_UP) == 0) { 3394 ifp->if_flags |= IFF_UP; 3395 ifp->if_init(ifp->if_softc); 3396 } 3397 arp_ifinit(ifp, ifa); 3398 break; 3399 #endif 3400 #ifdef IPX 3401 /* 3402 * XXX - This code is probably wrong, 3403 * but has been copied many times. 3404 */ 3405 case AF_IPX: { 3406 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3407 3408 if (ipx_nullhost(*ina)) 3409 ina->x_host = *(union ipx_host *) 3410 IF_LLADDR(ifp); 3411 else 3412 bcopy((caddr_t) ina->x_host.c_host, 3413 (caddr_t) IF_LLADDR(ifp), 3414 ETHER_ADDR_LEN); 3415 /* fall thru... */ 3416 } 3417 #endif 3418 default: 3419 if ((ifp->if_flags & IFF_UP) == 0) { 3420 ifp->if_flags |= IFF_UP; 3421 ifp->if_init(ifp->if_softc); 3422 } 3423 break; 3424 } 3425 break; 3426 /* Pass NDIS ioctls up to the driver */ 3427 case SIOCGDRVSPEC: 3428 case SIOCSDRVSPEC: 3429 case SIOCGPRIVATE_0: { 3430 struct ifnet *parent = vap->iv_ic->ic_ifp; 3431 error = parent->if_ioctl(parent, cmd, data); 3432 break; 3433 } 3434 default: 3435 error = ether_ioctl(ifp, cmd, data); 3436 break; 3437 } 3438 return error; 3439 } 3440