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_wlan.h" 36 37 #include <sys/endian.h> 38 #include <sys/param.h> 39 #include <sys/kernel.h> 40 #include <sys/priv.h> 41 #include <sys/socket.h> 42 #include <sys/sockio.h> 43 #include <sys/systm.h> 44 45 #include <net/if.h> 46 #include <net/if_var.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 #include <netproto/802_11/ieee80211_var.h> 57 #include <netproto/802_11/ieee80211_ioctl.h> 58 #include <netproto/802_11/ieee80211_regdomain.h> 59 #include <netproto/802_11/ieee80211_input.h> 60 61 #define IS_UP_AUTO(_vap) \ 62 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 63 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 64 65 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 66 static struct ieee80211_channel *findchannel(struct ieee80211com *, 67 int ieee, int mode); 68 static int ieee80211_scanreq(struct ieee80211vap *, 69 struct ieee80211_scan_req *); 70 71 static __noinline int 72 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 73 { 74 struct ieee80211com *ic = vap->iv_ic; 75 struct ieee80211_node *ni; 76 struct ieee80211req_key ik; 77 struct ieee80211_key *wk; 78 const struct ieee80211_cipher *cip; 79 u_int kid; 80 int error; 81 82 if (ireq->i_len != sizeof(ik)) 83 return EINVAL; 84 error = copyin(ireq->i_data, &ik, sizeof(ik)); 85 if (error) 86 return error; 87 kid = ik.ik_keyix; 88 if (kid == IEEE80211_KEYIX_NONE) { 89 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 90 if (ni == NULL) 91 return ENOENT; 92 wk = &ni->ni_ucastkey; 93 } else { 94 if (kid >= IEEE80211_WEP_NKID) 95 return EINVAL; 96 wk = &vap->iv_nw_keys[kid]; 97 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 98 ni = NULL; 99 } 100 cip = wk->wk_cipher; 101 ik.ik_type = cip->ic_cipher; 102 ik.ik_keylen = wk->wk_keylen; 103 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 104 if (wk->wk_keyix == vap->iv_def_txkey) 105 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 106 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 107 /* NB: only root can read key data */ 108 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 109 ik.ik_keytsc = wk->wk_keytsc; 110 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 111 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 112 memcpy(ik.ik_keydata+wk->wk_keylen, 113 wk->wk_key + IEEE80211_KEYBUF_SIZE, 114 IEEE80211_MICBUF_SIZE); 115 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 116 } 117 } else { 118 ik.ik_keyrsc = 0; 119 ik.ik_keytsc = 0; 120 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 121 } 122 if (ni != NULL) 123 ieee80211_free_node(ni); 124 return copyout(&ik, ireq->i_data, sizeof(ik)); 125 } 126 127 static __noinline int 128 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 129 { 130 struct ieee80211com *ic = vap->iv_ic; 131 132 if (sizeof(ic->ic_chan_active) < ireq->i_len) 133 ireq->i_len = sizeof(ic->ic_chan_active); 134 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 135 } 136 137 static __noinline int 138 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 139 { 140 struct ieee80211com *ic = vap->iv_ic; 141 uint32_t space; 142 143 space = __offsetof(struct ieee80211req_chaninfo, 144 ic_chans[ic->ic_nchans]); 145 if (space > ireq->i_len) 146 space = ireq->i_len; 147 /* XXX assumes compatible layout */ 148 return copyout(&ic->ic_nchans, ireq->i_data, space); 149 } 150 151 static __noinline int 152 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 153 struct ieee80211req *ireq, int req) 154 { 155 struct ieee80211_node *ni; 156 struct ieee80211req_wpaie2 wpaie; 157 int error; 158 159 if (ireq->i_len < IEEE80211_ADDR_LEN) 160 return EINVAL; 161 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 162 if (error != 0) 163 return error; 164 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 165 if (ni == NULL) 166 return ENOENT; 167 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 168 if (ni->ni_ies.wpa_ie != NULL) { 169 int ielen = ni->ni_ies.wpa_ie[1] + 2; 170 if (ielen > sizeof(wpaie.wpa_ie)) 171 ielen = sizeof(wpaie.wpa_ie); 172 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 173 } 174 if (req == IEEE80211_IOC_WPAIE2) { 175 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 176 if (ni->ni_ies.rsn_ie != NULL) { 177 int ielen = ni->ni_ies.rsn_ie[1] + 2; 178 if (ielen > sizeof(wpaie.rsn_ie)) 179 ielen = sizeof(wpaie.rsn_ie); 180 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 181 } 182 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 183 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 184 } else { 185 /* compatibility op, may overwrite wpa ie */ 186 /* XXX check ic_flags? */ 187 if (ni->ni_ies.rsn_ie != NULL) { 188 int ielen = ni->ni_ies.rsn_ie[1] + 2; 189 if (ielen > sizeof(wpaie.wpa_ie)) 190 ielen = sizeof(wpaie.wpa_ie); 191 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 192 } 193 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 194 ireq->i_len = sizeof(struct ieee80211req_wpaie); 195 } 196 ieee80211_free_node(ni); 197 return copyout(&wpaie, ireq->i_data, ireq->i_len); 198 } 199 200 static __noinline int 201 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 202 { 203 struct ieee80211_node *ni; 204 uint8_t macaddr[IEEE80211_ADDR_LEN]; 205 const size_t off = __offsetof(struct ieee80211req_sta_stats, is_stats); 206 int error; 207 208 if (ireq->i_len < off) 209 return EINVAL; 210 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 211 if (error != 0) 212 return error; 213 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 214 if (ni == NULL) 215 return ENOENT; 216 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 217 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 218 /* NB: copy out only the statistics */ 219 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 220 ireq->i_len - off); 221 ieee80211_free_node(ni); 222 return error; 223 } 224 225 struct scanreq { 226 struct ieee80211req_scan_result *sr; 227 size_t space; 228 }; 229 230 static size_t 231 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 232 { 233 size_t len; 234 235 *ielen = se->se_ies.len; 236 /* 237 * NB: ie's can be no more than 255 bytes and the max 802.11 238 * packet is <3Kbytes so we are sure this doesn't overflow 239 * 16-bits; if this is a concern we can drop the ie's. 240 */ 241 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 242 se->se_meshid[1] + *ielen; 243 return roundup(len, sizeof(uint32_t)); 244 } 245 246 static void 247 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 248 { 249 struct scanreq *req = arg; 250 int ielen; 251 252 req->space += scan_space(se, &ielen); 253 } 254 255 static __noinline void 256 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 257 { 258 struct scanreq *req = arg; 259 struct ieee80211req_scan_result *sr; 260 int ielen, len, nr, nxr; 261 uint8_t *cp; 262 263 len = scan_space(se, &ielen); 264 if (len > req->space) 265 return; 266 267 sr = req->sr; 268 KASSERT(len <= 65535 && ielen <= 65535, 269 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 270 sr->isr_len = len; 271 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 272 sr->isr_ie_len = ielen; 273 sr->isr_freq = se->se_chan->ic_freq; 274 sr->isr_flags = se->se_chan->ic_flags; 275 sr->isr_rssi = se->se_rssi; 276 sr->isr_noise = se->se_noise; 277 sr->isr_intval = se->se_intval; 278 sr->isr_capinfo = se->se_capinfo; 279 sr->isr_erp = se->se_erp; 280 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 281 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 282 memcpy(sr->isr_rates, se->se_rates+2, nr); 283 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 284 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 285 sr->isr_nrates = nr + nxr; 286 287 /* copy SSID */ 288 sr->isr_ssid_len = se->se_ssid[1]; 289 cp = ((uint8_t *)sr) + sr->isr_ie_off; 290 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 291 292 /* copy mesh id */ 293 cp += sr->isr_ssid_len; 294 sr->isr_meshid_len = se->se_meshid[1]; 295 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 296 cp += sr->isr_meshid_len; 297 298 if (ielen) 299 memcpy(cp, se->se_ies.data, ielen); 300 301 req->space -= len; 302 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 303 } 304 305 static __noinline int 306 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 307 struct ieee80211req *ireq) 308 { 309 struct scanreq req; 310 int error; 311 312 if (ireq->i_len < sizeof(struct scanreq)) 313 return EFAULT; 314 315 error = 0; 316 req.space = 0; 317 ieee80211_scan_iterate(vap, get_scan_space, &req); 318 if (req.space > ireq->i_len) 319 req.space = ireq->i_len; 320 if (req.space > 0) { 321 uint32_t space; 322 void *p; 323 324 space = req.space; 325 /* XXX M_WAITOK after driver lock released */ 326 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 327 if (p == NULL) 328 return ENOMEM; 329 req.sr = p; 330 ieee80211_scan_iterate(vap, get_scan_result, &req); 331 ireq->i_len = space - req.space; 332 error = copyout(p, ireq->i_data, ireq->i_len); 333 kfree(p, M_TEMP); 334 } else 335 ireq->i_len = 0; 336 337 return error; 338 } 339 340 struct stainforeq { 341 struct ieee80211vap *vap; 342 struct ieee80211req_sta_info *si; 343 size_t space; 344 }; 345 346 static size_t 347 sta_space(const struct ieee80211_node *ni, size_t *ielen) 348 { 349 *ielen = ni->ni_ies.len; 350 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 351 sizeof(uint32_t)); 352 } 353 354 static void 355 get_sta_space(void *arg, struct ieee80211_node *ni) 356 { 357 struct stainforeq *req = arg; 358 size_t ielen; 359 360 if (req->vap != ni->ni_vap) 361 return; 362 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 363 ni->ni_associd == 0) /* only associated stations */ 364 return; 365 req->space += sta_space(ni, &ielen); 366 } 367 368 static __noinline void 369 get_sta_info(void *arg, struct ieee80211_node *ni) 370 { 371 struct stainforeq *req = arg; 372 struct ieee80211vap *vap = ni->ni_vap; 373 struct ieee80211req_sta_info *si; 374 size_t ielen, len; 375 uint8_t *cp; 376 377 if (req->vap != ni->ni_vap) 378 return; 379 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 380 ni->ni_associd == 0) /* only associated stations */ 381 return; 382 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 383 return; 384 len = sta_space(ni, &ielen); 385 if (len > req->space) 386 return; 387 si = req->si; 388 si->isi_len = len; 389 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 390 si->isi_ie_len = ielen; 391 si->isi_freq = ni->ni_chan->ic_freq; 392 si->isi_flags = ni->ni_chan->ic_flags; 393 si->isi_state = ni->ni_flags; 394 si->isi_authmode = ni->ni_authmode; 395 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 396 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 397 si->isi_capinfo = ni->ni_capinfo; 398 si->isi_erp = ni->ni_erp; 399 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 400 si->isi_nrates = ni->ni_rates.rs_nrates; 401 if (si->isi_nrates > 15) 402 si->isi_nrates = 15; 403 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 404 si->isi_txrate = ni->ni_txrate; 405 if (si->isi_txrate & IEEE80211_RATE_MCS) { 406 const struct ieee80211_mcs_rates *mcs = 407 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 408 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 409 if (ni->ni_flags & IEEE80211_NODE_SGI40) 410 si->isi_txmbps = mcs->ht40_rate_800ns; 411 else 412 si->isi_txmbps = mcs->ht40_rate_400ns; 413 } else { 414 if (ni->ni_flags & IEEE80211_NODE_SGI20) 415 si->isi_txmbps = mcs->ht20_rate_800ns; 416 else 417 si->isi_txmbps = mcs->ht20_rate_400ns; 418 } 419 } else 420 si->isi_txmbps = si->isi_txrate; 421 si->isi_associd = ni->ni_associd; 422 si->isi_txpower = ni->ni_txpower; 423 si->isi_vlan = ni->ni_vlan; 424 if (ni->ni_flags & IEEE80211_NODE_QOS) { 425 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 426 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 427 } else { 428 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 429 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 430 } 431 /* NB: leave all cases in case we relax ni_associd == 0 check */ 432 if (ieee80211_node_is_authorized(ni)) 433 si->isi_inact = vap->iv_inact_run; 434 else if (ni->ni_associd != 0 || 435 (vap->iv_opmode == IEEE80211_M_WDS && 436 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 437 si->isi_inact = vap->iv_inact_auth; 438 else 439 si->isi_inact = vap->iv_inact_init; 440 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 441 si->isi_localid = ni->ni_mllid; 442 si->isi_peerid = ni->ni_mlpid; 443 si->isi_peerstate = ni->ni_mlstate; 444 445 if (ielen) { 446 cp = ((uint8_t *)si) + si->isi_ie_off; 447 memcpy(cp, ni->ni_ies.data, ielen); 448 } 449 450 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 451 req->space -= len; 452 } 453 454 static __noinline int 455 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 456 struct ieee80211_node *ni, size_t off) 457 { 458 struct ieee80211com *ic = vap->iv_ic; 459 struct stainforeq req; 460 size_t space; 461 void *p; 462 int error; 463 464 error = 0; 465 req.space = 0; 466 req.vap = vap; 467 if (ni == NULL) 468 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 469 else 470 get_sta_space(&req, ni); 471 if (req.space > ireq->i_len) 472 req.space = ireq->i_len; 473 if (req.space > 0) { 474 space = req.space; 475 /* XXX M_WAITOK after driver lock released */ 476 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 477 if (p == NULL) { 478 error = ENOMEM; 479 goto bad; 480 } 481 req.si = p; 482 if (ni == NULL) 483 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 484 else 485 get_sta_info(&req, ni); 486 ireq->i_len = space - req.space; 487 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 488 kfree(p, M_TEMP); 489 } else 490 ireq->i_len = 0; 491 bad: 492 if (ni != NULL) 493 ieee80211_free_node(ni); 494 return error; 495 } 496 497 static __noinline int 498 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 499 { 500 uint8_t macaddr[IEEE80211_ADDR_LEN]; 501 const size_t off = __offsetof(struct ieee80211req_sta_req, info); 502 struct ieee80211_node *ni; 503 int error; 504 505 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 506 return EFAULT; 507 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 508 if (error != 0) 509 return error; 510 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 511 ni = NULL; 512 } else { 513 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 514 if (ni == NULL) 515 return ENOENT; 516 } 517 return getstainfo_common(vap, ireq, ni, off); 518 } 519 520 static __noinline int 521 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 522 { 523 struct ieee80211_node *ni; 524 struct ieee80211req_sta_txpow txpow; 525 int error; 526 527 if (ireq->i_len != sizeof(txpow)) 528 return EINVAL; 529 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 530 if (error != 0) 531 return error; 532 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 533 if (ni == NULL) 534 return ENOENT; 535 txpow.it_txpow = ni->ni_txpower; 536 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 537 ieee80211_free_node(ni); 538 return error; 539 } 540 541 static __noinline int 542 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 543 { 544 struct ieee80211com *ic = vap->iv_ic; 545 struct ieee80211_wme_state *wme = &ic->ic_wme; 546 struct wmeParams *wmep; 547 int ac; 548 549 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 550 return EINVAL; 551 552 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 553 if (ac >= WME_NUM_AC) 554 ac = WME_AC_BE; 555 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 556 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 557 else 558 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 559 switch (ireq->i_type) { 560 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 561 ireq->i_val = wmep->wmep_logcwmin; 562 break; 563 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 564 ireq->i_val = wmep->wmep_logcwmax; 565 break; 566 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 567 ireq->i_val = wmep->wmep_aifsn; 568 break; 569 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 570 ireq->i_val = wmep->wmep_txopLimit; 571 break; 572 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 573 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 574 ireq->i_val = wmep->wmep_acm; 575 break; 576 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 577 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 578 ireq->i_val = !wmep->wmep_noackPolicy; 579 break; 580 } 581 return 0; 582 } 583 584 static __noinline int 585 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 586 { 587 const struct ieee80211_aclator *acl = vap->iv_acl; 588 589 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 590 } 591 592 static __noinline int 593 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 594 { 595 struct ieee80211com *ic = vap->iv_ic; 596 struct ieee80211_channel *c; 597 598 if (ireq->i_len != sizeof(struct ieee80211_channel)) 599 return EINVAL; 600 /* 601 * vap's may have different operating channels when HT is 602 * in use. When in RUN state report the vap-specific channel. 603 * Otherwise return curchan. 604 */ 605 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 606 c = vap->iv_bss->ni_chan; 607 else 608 c = ic->ic_curchan; 609 return copyout(c, ireq->i_data, sizeof(*c)); 610 } 611 612 static int 613 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 614 { 615 if (aie == NULL) 616 return EINVAL; 617 /* NB: truncate, caller can check length */ 618 if (ireq->i_len > aie->ie_len) 619 ireq->i_len = aie->ie_len; 620 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 621 } 622 623 static int 624 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 625 { 626 uint8_t fc0; 627 628 fc0 = ireq->i_val & 0xff; 629 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 630 return EINVAL; 631 /* NB: could check iv_opmode and reject but hardly worth the effort */ 632 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 633 case IEEE80211_FC0_SUBTYPE_BEACON: 634 return getappie(vap->iv_appie_beacon, ireq); 635 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 636 return getappie(vap->iv_appie_proberesp, ireq); 637 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 638 return getappie(vap->iv_appie_assocresp, ireq); 639 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 640 return getappie(vap->iv_appie_probereq, ireq); 641 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 642 return getappie(vap->iv_appie_assocreq, ireq); 643 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 644 return getappie(vap->iv_appie_wpa, ireq); 645 } 646 return EINVAL; 647 } 648 649 static __noinline int 650 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 651 const struct ieee80211req *ireq) 652 { 653 struct ieee80211com *ic = vap->iv_ic; 654 655 if (ireq->i_len != sizeof(ic->ic_regdomain)) 656 return EINVAL; 657 return copyout(&ic->ic_regdomain, ireq->i_data, 658 sizeof(ic->ic_regdomain)); 659 } 660 661 static __noinline int 662 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 663 const struct ieee80211req *ireq) 664 { 665 size_t len = ireq->i_len; 666 /* NB: accept short requests for backwards compat */ 667 if (len > sizeof(vap->iv_roamparms)) 668 len = sizeof(vap->iv_roamparms); 669 return copyout(vap->iv_roamparms, ireq->i_data, len); 670 } 671 672 static __noinline int 673 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 674 const struct ieee80211req *ireq) 675 { 676 size_t len = ireq->i_len; 677 /* NB: accept short requests for backwards compat */ 678 if (len > sizeof(vap->iv_txparms)) 679 len = sizeof(vap->iv_txparms); 680 return copyout(vap->iv_txparms, ireq->i_data, len); 681 } 682 683 static __noinline int 684 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 685 const struct ieee80211req *ireq) 686 { 687 struct ieee80211_devcaps_req *dc; 688 struct ieee80211req_chaninfo *ci; 689 int maxchans, error; 690 691 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 692 sizeof(struct ieee80211_channel)); 693 /* NB: require 1 so we know ic_nchans is accessible */ 694 if (maxchans < 1) 695 return EINVAL; 696 /* constrain max request size, 2K channels is ~24Kbytes */ 697 if (maxchans > 2048) 698 maxchans = 2048; 699 dc = (struct ieee80211_devcaps_req *) 700 kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_INTWAIT | M_ZERO); 701 if (dc == NULL) 702 return ENOMEM; 703 dc->dc_drivercaps = ic->ic_caps; 704 dc->dc_cryptocaps = ic->ic_cryptocaps; 705 dc->dc_htcaps = ic->ic_htcaps; 706 ci = &dc->dc_chaninfo; 707 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 708 KASSERT(ci->ic_nchans <= maxchans, 709 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 710 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 711 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 712 kfree(dc, M_TEMP); 713 return error; 714 } 715 716 static __noinline int 717 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 718 { 719 struct ieee80211_node *ni; 720 struct ieee80211req_sta_vlan vlan; 721 int error; 722 723 if (ireq->i_len != sizeof(vlan)) 724 return EINVAL; 725 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 726 if (error != 0) 727 return error; 728 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 729 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 730 vlan.sv_macaddr); 731 if (ni == NULL) 732 return ENOENT; 733 } else 734 ni = ieee80211_ref_node(vap->iv_bss); 735 vlan.sv_vlan = ni->ni_vlan; 736 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 737 ieee80211_free_node(ni); 738 return error; 739 } 740 741 /* 742 * Dummy ioctl get handler so the linker set is defined. 743 */ 744 static int 745 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 746 { 747 return ENOSYS; 748 } 749 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 750 751 static int 752 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 753 { 754 ieee80211_ioctl_getfunc * const *get; 755 int error; 756 757 SET_FOREACH(get, ieee80211_ioctl_getset) { 758 error = (*get)(vap, ireq); 759 if (error != ENOSYS) 760 return error; 761 } 762 return EINVAL; 763 } 764 765 /* 766 * When building the kernel with -O2 on the i386 architecture, gcc 767 * seems to want to inline this function into ieee80211_ioctl() 768 * (which is the only routine that calls it). When this happens, 769 * ieee80211_ioctl() ends up consuming an additional 2K of stack 770 * space. (Exactly why it needs so much is unclear.) The problem 771 * is that it's possible for ieee80211_ioctl() to invoke other 772 * routines (including driver init functions) which could then find 773 * themselves perilously close to exhausting the stack. 774 * 775 * To avoid this, we deliberately prevent gcc from inlining this 776 * routine. Another way to avoid this is to use less agressive 777 * optimization when compiling this file (i.e. -O instead of -O2) 778 * but special-casing the compilation of this one module in the 779 * build system would be awkward. 780 */ 781 static __noinline int 782 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 783 struct ieee80211req *ireq) 784 { 785 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 786 struct ieee80211com *ic = vap->iv_ic; 787 u_int kid, len; 788 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 789 char tmpssid[IEEE80211_NWID_LEN]; 790 int error = 0; 791 792 switch (ireq->i_type) { 793 case IEEE80211_IOC_SSID: 794 switch (vap->iv_state) { 795 case IEEE80211_S_INIT: 796 case IEEE80211_S_SCAN: 797 ireq->i_len = vap->iv_des_ssid[0].len; 798 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 799 break; 800 default: 801 ireq->i_len = vap->iv_bss->ni_esslen; 802 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 803 break; 804 } 805 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 806 break; 807 case IEEE80211_IOC_NUMSSIDS: 808 ireq->i_val = 1; 809 break; 810 case IEEE80211_IOC_WEP: 811 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 812 ireq->i_val = IEEE80211_WEP_OFF; 813 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 814 ireq->i_val = IEEE80211_WEP_ON; 815 else 816 ireq->i_val = IEEE80211_WEP_MIXED; 817 break; 818 case IEEE80211_IOC_WEPKEY: 819 kid = (u_int) ireq->i_val; 820 if (kid >= IEEE80211_WEP_NKID) 821 return EINVAL; 822 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 823 /* NB: only root can read WEP keys */ 824 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 825 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 826 } else { 827 bzero(tmpkey, len); 828 } 829 ireq->i_len = len; 830 error = copyout(tmpkey, ireq->i_data, len); 831 break; 832 case IEEE80211_IOC_NUMWEPKEYS: 833 ireq->i_val = IEEE80211_WEP_NKID; 834 break; 835 case IEEE80211_IOC_WEPTXKEY: 836 ireq->i_val = vap->iv_def_txkey; 837 break; 838 case IEEE80211_IOC_AUTHMODE: 839 if (vap->iv_flags & IEEE80211_F_WPA) 840 ireq->i_val = IEEE80211_AUTH_WPA; 841 else 842 ireq->i_val = vap->iv_bss->ni_authmode; 843 break; 844 case IEEE80211_IOC_CHANNEL: 845 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 846 break; 847 case IEEE80211_IOC_POWERSAVE: 848 if (vap->iv_flags & IEEE80211_F_PMGTON) 849 ireq->i_val = IEEE80211_POWERSAVE_ON; 850 else 851 ireq->i_val = IEEE80211_POWERSAVE_OFF; 852 break; 853 case IEEE80211_IOC_POWERSAVESLEEP: 854 ireq->i_val = ic->ic_lintval; 855 break; 856 case IEEE80211_IOC_RTSTHRESHOLD: 857 ireq->i_val = vap->iv_rtsthreshold; 858 break; 859 case IEEE80211_IOC_PROTMODE: 860 ireq->i_val = ic->ic_protmode; 861 break; 862 case IEEE80211_IOC_TXPOWER: 863 /* 864 * Tx power limit is the min of max regulatory 865 * power, any user-set limit, and the max the 866 * radio can do. 867 */ 868 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 869 if (ireq->i_val > ic->ic_txpowlimit) 870 ireq->i_val = ic->ic_txpowlimit; 871 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 872 ireq->i_val = ic->ic_curchan->ic_maxpower; 873 break; 874 case IEEE80211_IOC_WPA: 875 switch (vap->iv_flags & IEEE80211_F_WPA) { 876 case IEEE80211_F_WPA1: 877 ireq->i_val = 1; 878 break; 879 case IEEE80211_F_WPA2: 880 ireq->i_val = 2; 881 break; 882 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 883 ireq->i_val = 3; 884 break; 885 default: 886 ireq->i_val = 0; 887 break; 888 } 889 break; 890 case IEEE80211_IOC_CHANLIST: 891 error = ieee80211_ioctl_getchanlist(vap, ireq); 892 break; 893 case IEEE80211_IOC_ROAMING: 894 ireq->i_val = vap->iv_roaming; 895 break; 896 case IEEE80211_IOC_PRIVACY: 897 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 898 break; 899 case IEEE80211_IOC_DROPUNENCRYPTED: 900 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 901 break; 902 case IEEE80211_IOC_COUNTERMEASURES: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 904 break; 905 case IEEE80211_IOC_WME: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 907 break; 908 case IEEE80211_IOC_HIDESSID: 909 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 910 break; 911 case IEEE80211_IOC_APBRIDGE: 912 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 913 break; 914 case IEEE80211_IOC_WPAKEY: 915 error = ieee80211_ioctl_getkey(vap, ireq); 916 break; 917 case IEEE80211_IOC_CHANINFO: 918 error = ieee80211_ioctl_getchaninfo(vap, ireq); 919 break; 920 case IEEE80211_IOC_BSSID: 921 if (ireq->i_len != IEEE80211_ADDR_LEN) 922 return EINVAL; 923 if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) { 924 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 925 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 926 ireq->i_data, ireq->i_len); 927 } else 928 error = copyout(vap->iv_des_bssid, ireq->i_data, 929 ireq->i_len); 930 break; 931 case IEEE80211_IOC_WPAIE: 932 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 933 break; 934 case IEEE80211_IOC_WPAIE2: 935 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 936 break; 937 case IEEE80211_IOC_SCAN_RESULTS: 938 error = ieee80211_ioctl_getscanresults(vap, ireq); 939 break; 940 case IEEE80211_IOC_STA_STATS: 941 error = ieee80211_ioctl_getstastats(vap, ireq); 942 break; 943 case IEEE80211_IOC_TXPOWMAX: 944 ireq->i_val = vap->iv_bss->ni_txpower; 945 break; 946 case IEEE80211_IOC_STA_TXPOW: 947 error = ieee80211_ioctl_getstatxpow(vap, ireq); 948 break; 949 case IEEE80211_IOC_STA_INFO: 950 error = ieee80211_ioctl_getstainfo(vap, ireq); 951 break; 952 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 953 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 954 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 955 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 956 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 957 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 958 error = ieee80211_ioctl_getwmeparam(vap, ireq); 959 break; 960 case IEEE80211_IOC_DTIM_PERIOD: 961 ireq->i_val = vap->iv_dtim_period; 962 break; 963 case IEEE80211_IOC_BEACON_INTERVAL: 964 /* NB: get from ic_bss for station mode */ 965 ireq->i_val = vap->iv_bss->ni_intval; 966 break; 967 case IEEE80211_IOC_PUREG: 968 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 969 break; 970 case IEEE80211_IOC_QUIET: 971 ireq->i_val = vap->iv_quiet; 972 break; 973 case IEEE80211_IOC_QUIET_COUNT: 974 ireq->i_val = vap->iv_quiet_count; 975 break; 976 case IEEE80211_IOC_QUIET_PERIOD: 977 ireq->i_val = vap->iv_quiet_period; 978 break; 979 case IEEE80211_IOC_QUIET_DUR: 980 ireq->i_val = vap->iv_quiet_duration; 981 break; 982 case IEEE80211_IOC_QUIET_OFFSET: 983 ireq->i_val = vap->iv_quiet_offset; 984 break; 985 case IEEE80211_IOC_BGSCAN: 986 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 987 break; 988 case IEEE80211_IOC_BGSCAN_IDLE: 989 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 990 break; 991 case IEEE80211_IOC_BGSCAN_INTERVAL: 992 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 993 break; 994 case IEEE80211_IOC_SCANVALID: 995 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 996 break; 997 case IEEE80211_IOC_FRAGTHRESHOLD: 998 ireq->i_val = vap->iv_fragthreshold; 999 break; 1000 case IEEE80211_IOC_MACCMD: 1001 error = ieee80211_ioctl_getmaccmd(vap, ireq); 1002 break; 1003 case IEEE80211_IOC_BURST: 1004 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 1005 break; 1006 case IEEE80211_IOC_BMISSTHRESHOLD: 1007 ireq->i_val = vap->iv_bmissthreshold; 1008 break; 1009 case IEEE80211_IOC_CURCHAN: 1010 error = ieee80211_ioctl_getcurchan(vap, ireq); 1011 break; 1012 case IEEE80211_IOC_SHORTGI: 1013 ireq->i_val = 0; 1014 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1015 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1016 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1017 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1018 break; 1019 case IEEE80211_IOC_AMPDU: 1020 ireq->i_val = 0; 1021 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1022 ireq->i_val |= 1; 1023 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1024 ireq->i_val |= 2; 1025 break; 1026 case IEEE80211_IOC_AMPDU_LIMIT: 1027 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1028 ireq->i_val = vap->iv_ampdu_rxmax; 1029 else if (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) 1030 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1031 IEEE80211_HTCAP_MAXRXAMPDU); 1032 else 1033 ireq->i_val = vap->iv_ampdu_limit; 1034 break; 1035 case IEEE80211_IOC_AMPDU_DENSITY: 1036 if (vap->iv_opmode == IEEE80211_M_STA && 1037 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1038 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1039 IEEE80211_HTCAP_MPDUDENSITY); 1040 else 1041 ireq->i_val = vap->iv_ampdu_density; 1042 break; 1043 case IEEE80211_IOC_AMSDU: 1044 ireq->i_val = 0; 1045 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1046 ireq->i_val |= 1; 1047 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1048 ireq->i_val |= 2; 1049 break; 1050 case IEEE80211_IOC_AMSDU_LIMIT: 1051 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1052 break; 1053 case IEEE80211_IOC_PUREN: 1054 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1055 break; 1056 case IEEE80211_IOC_DOTH: 1057 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1058 break; 1059 case IEEE80211_IOC_REGDOMAIN: 1060 error = ieee80211_ioctl_getregdomain(vap, ireq); 1061 break; 1062 case IEEE80211_IOC_ROAM: 1063 error = ieee80211_ioctl_getroam(vap, ireq); 1064 break; 1065 case IEEE80211_IOC_TXPARAMS: 1066 error = ieee80211_ioctl_gettxparams(vap, ireq); 1067 break; 1068 case IEEE80211_IOC_HTCOMPAT: 1069 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1070 break; 1071 case IEEE80211_IOC_DWDS: 1072 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1073 break; 1074 case IEEE80211_IOC_INACTIVITY: 1075 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1076 break; 1077 case IEEE80211_IOC_APPIE: 1078 error = ieee80211_ioctl_getappie(vap, ireq); 1079 break; 1080 case IEEE80211_IOC_WPS: 1081 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1082 break; 1083 case IEEE80211_IOC_TSN: 1084 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1085 break; 1086 case IEEE80211_IOC_DFS: 1087 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1088 break; 1089 case IEEE80211_IOC_DOTD: 1090 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1091 break; 1092 case IEEE80211_IOC_DEVCAPS: 1093 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1094 break; 1095 case IEEE80211_IOC_HTPROTMODE: 1096 ireq->i_val = ic->ic_htprotmode; 1097 break; 1098 case IEEE80211_IOC_HTCONF: 1099 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1100 ireq->i_val = 1; 1101 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1102 ireq->i_val |= 2; 1103 } else 1104 ireq->i_val = 0; 1105 break; 1106 case IEEE80211_IOC_STA_VLAN: 1107 error = ieee80211_ioctl_getstavlan(vap, ireq); 1108 break; 1109 case IEEE80211_IOC_SMPS: 1110 if (vap->iv_opmode == IEEE80211_M_STA && 1111 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) { 1112 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1113 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1114 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1115 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1116 else 1117 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1118 } else 1119 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1120 break; 1121 case IEEE80211_IOC_RIFS: 1122 if (vap->iv_opmode == IEEE80211_M_STA && 1123 (vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP)) 1124 ireq->i_val = 1125 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1126 else 1127 ireq->i_val = 1128 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1129 break; 1130 default: 1131 error = ieee80211_ioctl_getdefault(vap, ireq); 1132 break; 1133 } 1134 return error; 1135 #undef MS 1136 } 1137 1138 static __noinline int 1139 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1140 { 1141 struct ieee80211req_key ik; 1142 struct ieee80211_node *ni; 1143 struct ieee80211_key *wk; 1144 uint16_t kid; 1145 int error, i; 1146 1147 if (ireq->i_len != sizeof(ik)) 1148 return EINVAL; 1149 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1150 if (error) 1151 return error; 1152 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1153 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1154 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1155 return E2BIG; 1156 kid = ik.ik_keyix; 1157 if (kid == IEEE80211_KEYIX_NONE) { 1158 /* XXX unicast keys currently must be tx/rx */ 1159 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1160 return EINVAL; 1161 if (vap->iv_opmode == IEEE80211_M_STA) { 1162 ni = ieee80211_ref_node(vap->iv_bss); 1163 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1164 ieee80211_free_node(ni); 1165 return EADDRNOTAVAIL; 1166 } 1167 } else { 1168 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1169 ik.ik_macaddr); 1170 if (ni == NULL) 1171 return ENOENT; 1172 } 1173 wk = &ni->ni_ucastkey; 1174 } else { 1175 if (kid >= IEEE80211_WEP_NKID) 1176 return EINVAL; 1177 wk = &vap->iv_nw_keys[kid]; 1178 /* 1179 * Global slots start off w/o any assigned key index. 1180 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1181 */ 1182 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1183 wk->wk_keyix = kid; 1184 ni = NULL; 1185 } 1186 error = 0; 1187 ieee80211_key_update_begin(vap); 1188 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1189 wk->wk_keylen = ik.ik_keylen; 1190 /* NB: MIC presence is implied by cipher type */ 1191 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1192 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1193 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1194 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1195 wk->wk_keytsc = 0; /* new key, reset */ 1196 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1197 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1198 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1199 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1200 if (!ieee80211_crypto_setkey(vap, wk)) 1201 error = EIO; 1202 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1203 vap->iv_def_txkey = kid; 1204 } else 1205 error = ENXIO; 1206 ieee80211_key_update_end(vap); 1207 if (ni != NULL) 1208 ieee80211_free_node(ni); 1209 return error; 1210 } 1211 1212 static __noinline int 1213 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1214 { 1215 struct ieee80211req_del_key dk; 1216 int kid, error; 1217 1218 if (ireq->i_len != sizeof(dk)) 1219 return EINVAL; 1220 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1221 if (error) 1222 return error; 1223 kid = dk.idk_keyix; 1224 /* XXX uint8_t -> uint16_t */ 1225 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1226 struct ieee80211_node *ni; 1227 1228 if (vap->iv_opmode == IEEE80211_M_STA) { 1229 ni = ieee80211_ref_node(vap->iv_bss); 1230 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1231 ieee80211_free_node(ni); 1232 return EADDRNOTAVAIL; 1233 } 1234 } else { 1235 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1236 dk.idk_macaddr); 1237 if (ni == NULL) 1238 return ENOENT; 1239 } 1240 /* XXX error return */ 1241 ieee80211_node_delucastkey(ni); 1242 ieee80211_free_node(ni); 1243 } else { 1244 if (kid >= IEEE80211_WEP_NKID) 1245 return EINVAL; 1246 /* XXX error return */ 1247 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1248 } 1249 return 0; 1250 } 1251 1252 struct mlmeop { 1253 struct ieee80211vap *vap; 1254 int op; 1255 int reason; 1256 }; 1257 1258 static void 1259 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1260 int op, int reason) 1261 { 1262 #ifdef IEEE80211_DEBUG 1263 static const struct { 1264 int mask; 1265 const char *opstr; 1266 } ops[] = { 1267 { 0, "op#0" }, 1268 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1269 IEEE80211_MSG_ASSOC, "assoc" }, 1270 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1271 IEEE80211_MSG_ASSOC, "disassoc" }, 1272 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1273 IEEE80211_MSG_AUTH, "deauth" }, 1274 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1275 IEEE80211_MSG_AUTH, "authorize" }, 1276 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1277 IEEE80211_MSG_AUTH, "unauthorize" }, 1278 }; 1279 1280 if (op == IEEE80211_MLME_AUTH) { 1281 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1282 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1283 "station authenticate %s via MLME (reason %d)", 1284 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1285 reason); 1286 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1287 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1288 "unknown MLME request %d (reason %d)", op, reason); 1289 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1290 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1291 "station %s via MLME", ops[op].opstr); 1292 } else { 1293 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1294 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1295 } 1296 #endif /* IEEE80211_DEBUG */ 1297 } 1298 1299 static void 1300 domlme(void *arg, struct ieee80211_node *ni) 1301 { 1302 struct mlmeop *mop = arg; 1303 struct ieee80211vap *vap = ni->ni_vap; 1304 1305 if (vap != mop->vap) 1306 return; 1307 /* 1308 * NB: if ni_associd is zero then the node is already cleaned 1309 * up and we don't need to do this (we're safely holding a 1310 * reference but should otherwise not modify it's state). 1311 */ 1312 if (ni->ni_associd == 0) 1313 return; 1314 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1315 if (mop->op == IEEE80211_MLME_DEAUTH) { 1316 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1317 mop->reason); 1318 } else { 1319 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1320 mop->reason); 1321 } 1322 ieee80211_node_leave(ni); 1323 } 1324 1325 static int 1326 setmlme_dropsta(struct ieee80211vap *vap, 1327 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1328 { 1329 struct ieee80211com *ic = vap->iv_ic; 1330 struct ieee80211_node_table *nt = &ic->ic_sta; 1331 struct ieee80211_node *ni; 1332 int error = 0; 1333 1334 /* NB: the broadcast address means do 'em all */ 1335 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1336 IEEE80211_NODE_LOCK(nt); 1337 ni = ieee80211_find_node_locked(nt, mac); 1338 IEEE80211_NODE_UNLOCK(nt); 1339 /* 1340 * Don't do the node update inside the node 1341 * table lock. This unfortunately causes LORs 1342 * with drivers and their TX paths. 1343 */ 1344 if (ni != NULL) { 1345 domlme(mlmeop, ni); 1346 ieee80211_free_node(ni); 1347 } else 1348 error = ENOENT; 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 /* 1404 * Don't do the node update inside the node 1405 * table lock. This unfortunately causes LORs 1406 * with drivers and their TX paths. 1407 */ 1408 IEEE80211_NODE_UNLOCK(nt); 1409 if (ni != NULL) { 1410 ieee80211_node_leave(ni); 1411 ieee80211_free_node(ni); 1412 } else { 1413 error = ENOENT; 1414 } 1415 break; 1416 default: 1417 error = EINVAL; 1418 break; 1419 } 1420 break; 1421 case IEEE80211_MLME_AUTHORIZE: 1422 case IEEE80211_MLME_UNAUTHORIZE: 1423 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1424 vap->iv_opmode != IEEE80211_M_WDS) { 1425 error = EINVAL; 1426 break; 1427 } 1428 IEEE80211_NODE_LOCK(nt); 1429 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1430 /* 1431 * Don't do the node update inside the node 1432 * table lock. This unfortunately causes LORs 1433 * with drivers and their TX paths. 1434 */ 1435 IEEE80211_NODE_UNLOCK(nt); 1436 if (ni != NULL) { 1437 mlmedebug(vap, mac, op, reason); 1438 if (op == IEEE80211_MLME_AUTHORIZE) 1439 ieee80211_node_authorize(ni); 1440 else 1441 ieee80211_node_unauthorize(ni); 1442 ieee80211_free_node(ni); 1443 } else 1444 error = ENOENT; 1445 break; 1446 case IEEE80211_MLME_AUTH: 1447 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1448 error = EINVAL; 1449 break; 1450 } 1451 IEEE80211_NODE_LOCK(nt); 1452 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1453 /* 1454 * Don't do the node update inside the node 1455 * table lock. This unfortunately causes LORs 1456 * with drivers and their TX paths. 1457 */ 1458 IEEE80211_NODE_UNLOCK(nt); 1459 if (ni != NULL) { 1460 mlmedebug(vap, mac, op, reason); 1461 if (reason == IEEE80211_STATUS_SUCCESS) { 1462 IEEE80211_SEND_MGMT(ni, 1463 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1464 /* 1465 * For shared key auth, just continue the 1466 * exchange. Otherwise when 802.1x is not in 1467 * use mark the port authorized at this point 1468 * so traffic can flow. 1469 */ 1470 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1471 ni->ni_challenge == NULL) 1472 ieee80211_node_authorize(ni); 1473 } else { 1474 vap->iv_stats.is_rx_acl++; 1475 ieee80211_send_error(ni, ni->ni_macaddr, 1476 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1477 ieee80211_node_leave(ni); 1478 } 1479 ieee80211_free_node(ni); 1480 } else 1481 error = ENOENT; 1482 break; 1483 default: 1484 error = EINVAL; 1485 break; 1486 } 1487 return error; 1488 } 1489 1490 struct scanlookup { 1491 const uint8_t *mac; 1492 int esslen; 1493 const uint8_t *essid; 1494 const struct ieee80211_scan_entry *se; 1495 }; 1496 1497 /* 1498 * Match mac address and any ssid. 1499 */ 1500 static void 1501 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1502 { 1503 struct scanlookup *look = arg; 1504 1505 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1506 return; 1507 if (look->esslen != 0) { 1508 if (se->se_ssid[1] != look->esslen) 1509 return; 1510 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1511 return; 1512 } 1513 look->se = se; 1514 } 1515 1516 static __noinline int 1517 setmlme_assoc_sta(struct ieee80211vap *vap, 1518 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1519 const uint8_t ssid[IEEE80211_NWID_LEN]) 1520 { 1521 struct scanlookup lookup; 1522 1523 KASSERT(vap->iv_opmode == IEEE80211_M_STA, 1524 ("expected opmode STA not %s", 1525 ieee80211_opmode_name[vap->iv_opmode])); 1526 1527 /* NB: this is racey if roaming is !manual */ 1528 lookup.se = NULL; 1529 lookup.mac = mac; 1530 lookup.esslen = ssid_len; 1531 lookup.essid = ssid; 1532 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1533 if (lookup.se == NULL) 1534 return ENOENT; 1535 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1536 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1537 return EIO; /* XXX unique but could be better */ 1538 return 0; 1539 } 1540 1541 static __noinline int 1542 setmlme_assoc_adhoc(struct ieee80211vap *vap, 1543 const uint8_t mac[IEEE80211_ADDR_LEN], int ssid_len, 1544 const uint8_t ssid[IEEE80211_NWID_LEN]) 1545 { 1546 struct ieee80211_scan_req sr; 1547 1548 KASSERT(vap->iv_opmode == IEEE80211_M_IBSS || 1549 vap->iv_opmode == IEEE80211_M_AHDEMO, 1550 ("expected opmode IBSS or AHDEMO not %s", 1551 ieee80211_opmode_name[vap->iv_opmode])); 1552 1553 if (ssid_len == 0) 1554 return EINVAL; 1555 1556 /* NB: IEEE80211_IOC_SSID call missing for ap_scan=2. */ 1557 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 1558 vap->iv_des_ssid[0].len = ssid_len; 1559 memcpy(vap->iv_des_ssid[0].ssid, ssid, ssid_len); 1560 vap->iv_des_nssid = 1; 1561 1562 memset(&sr, 0, sizeof(sr)); 1563 sr.sr_flags = IEEE80211_IOC_SCAN_ACTIVE | IEEE80211_IOC_SCAN_ONCE; 1564 sr.sr_duration = IEEE80211_IOC_SCAN_FOREVER; 1565 memcpy(sr.sr_ssid[0].ssid, ssid, ssid_len); 1566 sr.sr_ssid[0].len = ssid_len; 1567 sr.sr_nssid = 1; 1568 1569 return ieee80211_scanreq(vap, &sr); 1570 } 1571 1572 static __noinline int 1573 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1574 { 1575 struct ieee80211req_mlme mlme; 1576 int error; 1577 1578 if (ireq->i_len != sizeof(mlme)) 1579 return EINVAL; 1580 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1581 if (error) 1582 return error; 1583 if (vap->iv_opmode == IEEE80211_M_STA && 1584 mlme.im_op == IEEE80211_MLME_ASSOC) 1585 return setmlme_assoc_sta(vap, mlme.im_macaddr, 1586 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1587 else if ((vap->iv_opmode == IEEE80211_M_IBSS || 1588 vap->iv_opmode == IEEE80211_M_AHDEMO) && 1589 mlme.im_op == IEEE80211_MLME_ASSOC) 1590 return setmlme_assoc_adhoc(vap, mlme.im_macaddr, 1591 mlme.im_ssid_len, mlme.im_ssid); 1592 else 1593 return setmlme_common(vap, mlme.im_op, 1594 mlme.im_macaddr, mlme.im_reason); 1595 } 1596 1597 static __noinline int 1598 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1599 { 1600 uint8_t mac[IEEE80211_ADDR_LEN]; 1601 const struct ieee80211_aclator *acl = vap->iv_acl; 1602 int error; 1603 1604 if (ireq->i_len != sizeof(mac)) 1605 return EINVAL; 1606 error = copyin(ireq->i_data, mac, ireq->i_len); 1607 if (error) 1608 return error; 1609 if (acl == NULL) { 1610 acl = ieee80211_aclator_get("mac"); 1611 if (acl == NULL || !acl->iac_attach(vap)) 1612 return EINVAL; 1613 vap->iv_acl = acl; 1614 } 1615 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1616 acl->iac_add(vap, mac); 1617 else 1618 acl->iac_remove(vap, mac); 1619 return 0; 1620 } 1621 1622 static __noinline int 1623 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1624 { 1625 const struct ieee80211_aclator *acl = vap->iv_acl; 1626 1627 switch (ireq->i_val) { 1628 case IEEE80211_MACCMD_POLICY_OPEN: 1629 case IEEE80211_MACCMD_POLICY_ALLOW: 1630 case IEEE80211_MACCMD_POLICY_DENY: 1631 case IEEE80211_MACCMD_POLICY_RADIUS: 1632 if (acl == NULL) { 1633 acl = ieee80211_aclator_get("mac"); 1634 if (acl == NULL || !acl->iac_attach(vap)) 1635 return EINVAL; 1636 vap->iv_acl = acl; 1637 } 1638 acl->iac_setpolicy(vap, ireq->i_val); 1639 break; 1640 case IEEE80211_MACCMD_FLUSH: 1641 if (acl != NULL) 1642 acl->iac_flush(vap); 1643 /* NB: silently ignore when not in use */ 1644 break; 1645 case IEEE80211_MACCMD_DETACH: 1646 if (acl != NULL) { 1647 vap->iv_acl = NULL; 1648 acl->iac_detach(vap); 1649 } 1650 break; 1651 default: 1652 if (acl == NULL) 1653 return EINVAL; 1654 else 1655 return acl->iac_setioctl(vap, ireq); 1656 } 1657 return 0; 1658 } 1659 1660 static __noinline int 1661 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1662 { 1663 struct ieee80211com *ic = vap->iv_ic; 1664 uint8_t *chanlist, *list; 1665 int i, nchan, maxchan, error; 1666 1667 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1668 ireq->i_len = sizeof(ic->ic_chan_active); 1669 list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1670 M_INTWAIT | M_ZERO); 1671 if (list == NULL) 1672 return ENOMEM; 1673 error = copyin(ireq->i_data, list, ireq->i_len); 1674 if (error) { 1675 kfree(list, M_TEMP); 1676 return error; 1677 } 1678 nchan = 0; 1679 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1680 maxchan = ireq->i_len * NBBY; 1681 for (i = 0; i < ic->ic_nchans; i++) { 1682 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1683 /* 1684 * Calculate the intersection of the user list and the 1685 * available channels so users can do things like specify 1686 * 1-255 to get all available channels. 1687 */ 1688 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1689 setbit(chanlist, c->ic_ieee); 1690 nchan++; 1691 } 1692 } 1693 if (nchan == 0) { 1694 kfree(list, M_TEMP); 1695 return EINVAL; 1696 } 1697 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1698 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1699 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1700 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1701 ieee80211_scan_flush(vap); 1702 kfree(list, M_TEMP); 1703 return ENETRESET; 1704 } 1705 1706 static __noinline int 1707 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1708 { 1709 struct ieee80211_node *ni; 1710 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1711 int error; 1712 1713 /* 1714 * NB: we could copyin ieee80211req_sta_stats so apps 1715 * could make selective changes but that's overkill; 1716 * just clear all stats for now. 1717 */ 1718 if (ireq->i_len < IEEE80211_ADDR_LEN) 1719 return EINVAL; 1720 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1721 if (error != 0) 1722 return error; 1723 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1724 if (ni == NULL) 1725 return ENOENT; 1726 /* XXX require ni_vap == vap? */ 1727 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1728 ieee80211_free_node(ni); 1729 return 0; 1730 } 1731 1732 static __noinline int 1733 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1734 { 1735 struct ieee80211_node *ni; 1736 struct ieee80211req_sta_txpow txpow; 1737 int error; 1738 1739 if (ireq->i_len != sizeof(txpow)) 1740 return EINVAL; 1741 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1742 if (error != 0) 1743 return error; 1744 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1745 if (ni == NULL) 1746 return ENOENT; 1747 ni->ni_txpower = txpow.it_txpow; 1748 ieee80211_free_node(ni); 1749 return error; 1750 } 1751 1752 static __noinline int 1753 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1754 { 1755 struct ieee80211com *ic = vap->iv_ic; 1756 struct ieee80211_wme_state *wme = &ic->ic_wme; 1757 struct wmeParams *wmep, *chanp; 1758 int isbss, ac; 1759 1760 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1761 return EOPNOTSUPP; 1762 1763 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1764 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1765 if (ac >= WME_NUM_AC) 1766 ac = WME_AC_BE; 1767 if (isbss) { 1768 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1769 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1770 } else { 1771 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1772 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1773 } 1774 switch (ireq->i_type) { 1775 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1776 if (isbss) { 1777 wmep->wmep_logcwmin = ireq->i_val; 1778 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1779 chanp->wmep_logcwmin = ireq->i_val; 1780 } else { 1781 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1782 ireq->i_val; 1783 } 1784 break; 1785 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1786 if (isbss) { 1787 wmep->wmep_logcwmax = ireq->i_val; 1788 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1789 chanp->wmep_logcwmax = ireq->i_val; 1790 } else { 1791 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1792 ireq->i_val; 1793 } 1794 break; 1795 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1796 if (isbss) { 1797 wmep->wmep_aifsn = ireq->i_val; 1798 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1799 chanp->wmep_aifsn = ireq->i_val; 1800 } else { 1801 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1802 } 1803 break; 1804 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1805 if (isbss) { 1806 wmep->wmep_txopLimit = ireq->i_val; 1807 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1808 chanp->wmep_txopLimit = ireq->i_val; 1809 } else { 1810 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1811 ireq->i_val; 1812 } 1813 break; 1814 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1815 wmep->wmep_acm = ireq->i_val; 1816 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1817 chanp->wmep_acm = ireq->i_val; 1818 break; 1819 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1820 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1821 (ireq->i_val) == 0; 1822 break; 1823 } 1824 ieee80211_wme_updateparams(vap); 1825 return 0; 1826 } 1827 1828 static int 1829 find11gchannel(struct ieee80211com *ic, int start, int freq) 1830 { 1831 const struct ieee80211_channel *c; 1832 int i; 1833 1834 for (i = start+1; i < ic->ic_nchans; i++) { 1835 c = &ic->ic_channels[i]; 1836 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1837 return 1; 1838 } 1839 /* NB: should not be needed but in case things are mis-sorted */ 1840 for (i = 0; i < start; i++) { 1841 c = &ic->ic_channels[i]; 1842 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1843 return 1; 1844 } 1845 return 0; 1846 } 1847 1848 static struct ieee80211_channel * 1849 findchannel(struct ieee80211com *ic, int ieee, int mode) 1850 { 1851 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1852 [IEEE80211_MODE_AUTO] = 0, 1853 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1854 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1855 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1856 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1857 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1858 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1859 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1860 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1861 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1862 /* NB: handled specially below */ 1863 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1864 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1865 }; 1866 u_int modeflags; 1867 int i; 1868 1869 modeflags = chanflags[mode]; 1870 for (i = 0; i < ic->ic_nchans; i++) { 1871 struct ieee80211_channel *c = &ic->ic_channels[i]; 1872 1873 if (c->ic_ieee != ieee) 1874 continue; 1875 if (mode == IEEE80211_MODE_AUTO) { 1876 /* ignore turbo channels for autoselect */ 1877 if (IEEE80211_IS_CHAN_TURBO(c)) 1878 continue; 1879 /* 1880 * XXX special-case 11b/g channels so we 1881 * always select the g channel if both 1882 * are present. 1883 * XXX prefer HT to non-HT? 1884 */ 1885 if (!IEEE80211_IS_CHAN_B(c) || 1886 !find11gchannel(ic, i, c->ic_freq)) 1887 return c; 1888 } else { 1889 /* must check HT specially */ 1890 if ((mode == IEEE80211_MODE_11NA || 1891 mode == IEEE80211_MODE_11NG) && 1892 !IEEE80211_IS_CHAN_HT(c)) 1893 continue; 1894 if ((c->ic_flags & modeflags) == modeflags) 1895 return c; 1896 } 1897 } 1898 return NULL; 1899 } 1900 1901 /* 1902 * Check the specified against any desired mode (aka netband). 1903 * This is only used (presently) when operating in hostap mode 1904 * to enforce consistency. 1905 */ 1906 static int 1907 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1908 { 1909 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1910 1911 switch (mode) { 1912 case IEEE80211_MODE_11B: 1913 return (IEEE80211_IS_CHAN_B(c)); 1914 case IEEE80211_MODE_11G: 1915 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1916 case IEEE80211_MODE_11A: 1917 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1918 case IEEE80211_MODE_STURBO_A: 1919 return (IEEE80211_IS_CHAN_STURBO(c)); 1920 case IEEE80211_MODE_11NA: 1921 return (IEEE80211_IS_CHAN_HTA(c)); 1922 case IEEE80211_MODE_11NG: 1923 return (IEEE80211_IS_CHAN_HTG(c)); 1924 } 1925 return 1; 1926 1927 } 1928 1929 /* 1930 * Common code to set the current channel. If the device 1931 * is up and running this may result in an immediate channel 1932 * change or a kick of the state machine. 1933 */ 1934 static int 1935 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1936 { 1937 struct ieee80211com *ic = vap->iv_ic; 1938 int error; 1939 1940 if (c != IEEE80211_CHAN_ANYC) { 1941 if (IEEE80211_IS_CHAN_RADAR(c)) 1942 return EBUSY; /* XXX better code? */ 1943 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1944 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1945 return EINVAL; 1946 if (!check_mode_consistency(c, vap->iv_des_mode)) 1947 return EINVAL; 1948 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1949 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1950 return EINVAL; 1951 } 1952 if ((vap->iv_state == IEEE80211_S_RUN || vap->iv_state == IEEE80211_S_SLEEP) && 1953 vap->iv_bss->ni_chan == c) 1954 return 0; /* NB: nothing to do */ 1955 } 1956 vap->iv_des_chan = c; 1957 1958 error = 0; 1959 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1960 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1961 /* 1962 * Monitor mode can switch directly. 1963 */ 1964 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1965 /* XXX need state machine for other vap's to follow */ 1966 ieee80211_setcurchan(ic, vap->iv_des_chan); 1967 vap->iv_bss->ni_chan = ic->ic_curchan; 1968 } else 1969 ic->ic_curchan = vap->iv_des_chan; 1970 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1971 } else { 1972 /* 1973 * Need to go through the state machine in case we 1974 * need to reassociate or the like. The state machine 1975 * will pickup the desired channel and avoid scanning. 1976 */ 1977 if (IS_UP_AUTO(vap)) 1978 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1979 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1980 /* 1981 * When not up+running and a real channel has 1982 * been specified fix the current channel so 1983 * there is immediate feedback; e.g. via ifconfig. 1984 */ 1985 ic->ic_curchan = vap->iv_des_chan; 1986 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1987 } 1988 } 1989 return error; 1990 } 1991 1992 /* 1993 * Old api for setting the current channel; this is 1994 * deprecated because channel numbers are ambiguous. 1995 */ 1996 static __noinline int 1997 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1998 const struct ieee80211req *ireq) 1999 { 2000 struct ieee80211com *ic = vap->iv_ic; 2001 struct ieee80211_channel *c; 2002 2003 /* XXX 0xffff overflows 16-bit signed */ 2004 if (ireq->i_val == 0 || 2005 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 2006 c = IEEE80211_CHAN_ANYC; 2007 } else { 2008 struct ieee80211_channel *c2; 2009 2010 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 2011 if (c == NULL) { 2012 c = findchannel(ic, ireq->i_val, 2013 IEEE80211_MODE_AUTO); 2014 if (c == NULL) 2015 return EINVAL; 2016 } 2017 /* 2018 * Fine tune channel selection based on desired mode: 2019 * if 11b is requested, find the 11b version of any 2020 * 11g channel returned, 2021 * if static turbo, find the turbo version of any 2022 * 11a channel return, 2023 * if 11na is requested, find the ht version of any 2024 * 11a channel returned, 2025 * if 11ng is requested, find the ht version of any 2026 * 11g channel returned, 2027 * otherwise we should be ok with what we've got. 2028 */ 2029 switch (vap->iv_des_mode) { 2030 case IEEE80211_MODE_11B: 2031 if (IEEE80211_IS_CHAN_ANYG(c)) { 2032 c2 = findchannel(ic, ireq->i_val, 2033 IEEE80211_MODE_11B); 2034 /* NB: should not happen, =>'s 11g w/o 11b */ 2035 if (c2 != NULL) 2036 c = c2; 2037 } 2038 break; 2039 case IEEE80211_MODE_TURBO_A: 2040 if (IEEE80211_IS_CHAN_A(c)) { 2041 c2 = findchannel(ic, ireq->i_val, 2042 IEEE80211_MODE_TURBO_A); 2043 if (c2 != NULL) 2044 c = c2; 2045 } 2046 break; 2047 case IEEE80211_MODE_11NA: 2048 if (IEEE80211_IS_CHAN_A(c)) { 2049 c2 = findchannel(ic, ireq->i_val, 2050 IEEE80211_MODE_11NA); 2051 if (c2 != NULL) 2052 c = c2; 2053 } 2054 break; 2055 case IEEE80211_MODE_11NG: 2056 if (IEEE80211_IS_CHAN_ANYG(c)) { 2057 c2 = findchannel(ic, ireq->i_val, 2058 IEEE80211_MODE_11NG); 2059 if (c2 != NULL) 2060 c = c2; 2061 } 2062 break; 2063 default: /* NB: no static turboG */ 2064 break; 2065 } 2066 } 2067 return setcurchan(vap, c); 2068 } 2069 2070 /* 2071 * New/current api for setting the current channel; a complete 2072 * channel description is provide so there is no ambiguity in 2073 * identifying the channel. 2074 */ 2075 static __noinline int 2076 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 2077 const struct ieee80211req *ireq) 2078 { 2079 struct ieee80211com *ic = vap->iv_ic; 2080 struct ieee80211_channel chan, *c; 2081 int error; 2082 2083 if (ireq->i_len != sizeof(chan)) 2084 return EINVAL; 2085 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2086 if (error != 0) 2087 return error; 2088 /* XXX 0xffff overflows 16-bit signed */ 2089 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2090 c = IEEE80211_CHAN_ANYC; 2091 } else { 2092 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2093 if (c == NULL) 2094 return EINVAL; 2095 } 2096 return setcurchan(vap, c); 2097 } 2098 2099 static __noinline int 2100 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2101 const struct ieee80211req *ireq) 2102 { 2103 struct ieee80211_regdomain_req *reg; 2104 int nchans, error; 2105 2106 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2107 sizeof(struct ieee80211_channel)); 2108 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2109 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2110 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2111 ireq->i_len, nchans); 2112 return EINVAL; 2113 } 2114 reg = (struct ieee80211_regdomain_req *) 2115 kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT); 2116 if (reg == NULL) { 2117 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2118 "%s: no memory, nchans %d\n", __func__, nchans); 2119 return ENOMEM; 2120 } 2121 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2122 if (error == 0) { 2123 /* NB: validate inline channel count against storage size */ 2124 if (reg->chaninfo.ic_nchans != nchans) { 2125 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2126 "%s: chan cnt mismatch, %d != %d\n", __func__, 2127 reg->chaninfo.ic_nchans, nchans); 2128 error = EINVAL; 2129 } else 2130 error = ieee80211_setregdomain(vap, reg); 2131 } 2132 kfree(reg, M_TEMP); 2133 2134 return (error == 0 ? ENETRESET : error); 2135 } 2136 2137 static int 2138 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2139 const struct ieee80211req *ireq) 2140 { 2141 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2142 return EINVAL; 2143 /* XXX validate params */ 2144 /* XXX? ENETRESET to push to device? */ 2145 return copyin(ireq->i_data, vap->iv_roamparms, 2146 sizeof(vap->iv_roamparms)); 2147 } 2148 2149 static int 2150 checkrate(const struct ieee80211_rateset *rs, int rate) 2151 { 2152 int i; 2153 2154 if (rate == IEEE80211_FIXED_RATE_NONE) 2155 return 1; 2156 for (i = 0; i < rs->rs_nrates; i++) 2157 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2158 return 1; 2159 return 0; 2160 } 2161 2162 static int 2163 checkmcs(int mcs) 2164 { 2165 if (mcs == IEEE80211_FIXED_RATE_NONE) 2166 return 1; 2167 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2168 return 0; 2169 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2170 } 2171 2172 static __noinline int 2173 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2174 const struct ieee80211req *ireq) 2175 { 2176 struct ieee80211com *ic = vap->iv_ic; 2177 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2178 struct ieee80211_txparam *src, *dst; 2179 const struct ieee80211_rateset *rs; 2180 int error, mode, changed, is11n, nmodes; 2181 2182 /* NB: accept short requests for backwards compat */ 2183 if (ireq->i_len > sizeof(parms)) 2184 return EINVAL; 2185 error = copyin(ireq->i_data, &parms, ireq->i_len); 2186 if (error != 0) 2187 return error; 2188 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2189 changed = 0; 2190 /* validate parameters and check if anything changed */ 2191 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2192 if (isclr(ic->ic_modecaps, mode)) 2193 continue; 2194 src = &parms.params[mode]; 2195 dst = &vap->iv_txparms[mode]; 2196 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2197 is11n = (mode == IEEE80211_MODE_11NA || 2198 mode == IEEE80211_MODE_11NG); 2199 if (src->ucastrate != dst->ucastrate) { 2200 if (!checkrate(rs, src->ucastrate) && 2201 (!is11n || !checkmcs(src->ucastrate))) 2202 return EINVAL; 2203 changed++; 2204 } 2205 if (src->mcastrate != dst->mcastrate) { 2206 if (!checkrate(rs, src->mcastrate) && 2207 (!is11n || !checkmcs(src->mcastrate))) 2208 return EINVAL; 2209 changed++; 2210 } 2211 if (src->mgmtrate != dst->mgmtrate) { 2212 if (!checkrate(rs, src->mgmtrate) && 2213 (!is11n || !checkmcs(src->mgmtrate))) 2214 return EINVAL; 2215 changed++; 2216 } 2217 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2218 changed++; 2219 } 2220 if (changed) { 2221 /* 2222 * Copy new parameters in place and notify the 2223 * driver so it can push state to the device. 2224 */ 2225 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2226 if (isset(ic->ic_modecaps, mode)) 2227 vap->iv_txparms[mode] = parms.params[mode]; 2228 } 2229 /* XXX could be more intelligent, 2230 e.g. don't reset if setting not being used */ 2231 return ENETRESET; 2232 } 2233 return 0; 2234 } 2235 2236 /* 2237 * Application Information Element support. 2238 */ 2239 static int 2240 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2241 { 2242 struct ieee80211_appie *app = *aie; 2243 struct ieee80211_appie *napp; 2244 int error; 2245 2246 if (ireq->i_len == 0) { /* delete any existing ie */ 2247 if (app != NULL) { 2248 *aie = NULL; /* XXX racey */ 2249 kfree(app, M_80211_NODE_IE); 2250 } 2251 return 0; 2252 } 2253 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2254 return EINVAL; 2255 /* 2256 * Allocate a new appie structure and copy in the user data. 2257 * When done swap in the new structure. Note that we do not 2258 * guard against users holding a ref to the old structure; 2259 * this must be handled outside this code. 2260 * 2261 * XXX bad bad bad 2262 */ 2263 napp = (struct ieee80211_appie *) kmalloc( 2264 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_INTWAIT); 2265 if (napp == NULL) 2266 return ENOMEM; 2267 /* XXX holding ic lock */ 2268 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2269 if (error) { 2270 kfree(napp, M_80211_NODE_IE); 2271 return error; 2272 } 2273 napp->ie_len = ireq->i_len; 2274 *aie = napp; 2275 if (app != NULL) 2276 kfree(app, M_80211_NODE_IE); 2277 return 0; 2278 } 2279 2280 static void 2281 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2282 { 2283 /* validate data is present as best we can */ 2284 if (space == 0 || 2+ie[1] > space) 2285 return; 2286 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2287 vap->iv_wpa_ie = ie; 2288 else if (ie[0] == IEEE80211_ELEMID_RSN) 2289 vap->iv_rsn_ie = ie; 2290 } 2291 2292 static __noinline int 2293 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2294 const struct ieee80211req *ireq, int fc0) 2295 { 2296 int error; 2297 2298 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2299 2300 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2301 case IEEE80211_FC0_SUBTYPE_BEACON: 2302 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2303 vap->iv_opmode != IEEE80211_M_IBSS) { 2304 error = EINVAL; 2305 break; 2306 } 2307 error = setappie(&vap->iv_appie_beacon, ireq); 2308 if (error == 0) 2309 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2310 break; 2311 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2312 error = setappie(&vap->iv_appie_proberesp, ireq); 2313 break; 2314 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2315 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2316 error = setappie(&vap->iv_appie_assocresp, ireq); 2317 else 2318 error = EINVAL; 2319 break; 2320 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2321 error = setappie(&vap->iv_appie_probereq, ireq); 2322 break; 2323 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2324 if (vap->iv_opmode == IEEE80211_M_STA) 2325 error = setappie(&vap->iv_appie_assocreq, ireq); 2326 else 2327 error = EINVAL; 2328 break; 2329 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2330 error = setappie(&vap->iv_appie_wpa, ireq); 2331 if (error == 0) { 2332 /* 2333 * Must split single blob of data into separate 2334 * WPA and RSN ie's because they go in different 2335 * locations in the mgt frames. 2336 * XXX use IEEE80211_IOC_WPA2 so user code does split 2337 */ 2338 vap->iv_wpa_ie = NULL; 2339 vap->iv_rsn_ie = NULL; 2340 if (vap->iv_appie_wpa != NULL) { 2341 struct ieee80211_appie *appie = 2342 vap->iv_appie_wpa; 2343 uint8_t *data = appie->ie_data; 2344 2345 /* XXX ie length validate is painful, cheat */ 2346 setwparsnie(vap, data, appie->ie_len); 2347 setwparsnie(vap, data + 2 + data[1], 2348 appie->ie_len - (2 + data[1])); 2349 } 2350 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2351 vap->iv_opmode == IEEE80211_M_IBSS) { 2352 /* 2353 * Must rebuild beacon frame as the update 2354 * mechanism doesn't handle WPA/RSN ie's. 2355 * Could extend it but it doesn't normally 2356 * change; this is just to deal with hostapd 2357 * plumbing the ie after the interface is up. 2358 */ 2359 error = ENETRESET; 2360 } 2361 } 2362 break; 2363 default: 2364 error = EINVAL; 2365 break; 2366 } 2367 return error; 2368 } 2369 2370 static __noinline int 2371 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2372 const struct ieee80211req *ireq) 2373 { 2374 struct ieee80211com *ic = vap->iv_ic; 2375 int error; 2376 uint8_t fc0; 2377 2378 fc0 = ireq->i_val & 0xff; 2379 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2380 return EINVAL; 2381 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2382 IEEE80211_LOCK(ic); 2383 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2384 IEEE80211_UNLOCK(ic); 2385 return error; 2386 } 2387 2388 static __noinline int 2389 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2390 { 2391 struct ieee80211com *ic = vap->iv_ic; 2392 struct ieee80211_chanswitch_req csr; 2393 struct ieee80211_channel *c; 2394 int error; 2395 2396 if (ireq->i_len != sizeof(csr)) 2397 return EINVAL; 2398 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2399 if (error != 0) 2400 return error; 2401 /* XXX adhoc mode not supported */ 2402 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2403 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2404 return EOPNOTSUPP; 2405 c = ieee80211_find_channel(ic, 2406 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2407 if (c == NULL) 2408 return ENOENT; 2409 IEEE80211_LOCK(ic); 2410 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2411 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2412 else if (csr.csa_count == 0) 2413 ieee80211_csa_cancelswitch(ic); 2414 else 2415 error = EBUSY; 2416 IEEE80211_UNLOCK(ic); 2417 return error; 2418 } 2419 2420 static int 2421 ieee80211_scanreq(struct ieee80211vap *vap, struct ieee80211_scan_req *sr) 2422 { 2423 #define IEEE80211_IOC_SCAN_FLAGS \ 2424 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2425 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2426 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2427 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2428 IEEE80211_IOC_SCAN_CHECK) 2429 struct ieee80211com *ic = vap->iv_ic; 2430 int error, i; 2431 2432 /* convert duration */ 2433 if (sr->sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2434 sr->sr_duration = IEEE80211_SCAN_FOREVER; 2435 else { 2436 if (sr->sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2437 sr->sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2438 return EINVAL; 2439 sr->sr_duration = msecs_to_ticks(sr->sr_duration); 2440 if (sr->sr_duration < 1) 2441 sr->sr_duration = 1; 2442 } 2443 /* convert min/max channel dwell */ 2444 if (sr->sr_mindwell != 0) { 2445 sr->sr_mindwell = msecs_to_ticks(sr->sr_mindwell); 2446 if (sr->sr_mindwell < 1) 2447 sr->sr_mindwell = 1; 2448 } 2449 if (sr->sr_maxdwell != 0) { 2450 sr->sr_maxdwell = msecs_to_ticks(sr->sr_maxdwell); 2451 if (sr->sr_maxdwell < 1) 2452 sr->sr_maxdwell = 1; 2453 } 2454 /* NB: silently reduce ssid count to what is supported */ 2455 if (sr->sr_nssid > IEEE80211_SCAN_MAX_SSID) 2456 sr->sr_nssid = IEEE80211_SCAN_MAX_SSID; 2457 for (i = 0; i < sr->sr_nssid; i++) 2458 if (sr->sr_ssid[i].len > IEEE80211_NWID_LEN) 2459 return EINVAL; 2460 /* cleanse flags just in case, could reject if invalid flags */ 2461 sr->sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2462 /* 2463 * Add an implicit NOPICK if the vap is not marked UP. This 2464 * allows applications to scan without joining a bss (or picking 2465 * a channel and setting up a bss) and without forcing manual 2466 * roaming mode--you just need to mark the parent device UP. 2467 */ 2468 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2469 sr->sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2470 2471 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2472 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2473 __func__, sr->sr_flags, 2474 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2475 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, sr->sr_nssid); 2476 /* 2477 * If we are in INIT state then the driver has never had a chance 2478 * to setup hardware state to do a scan; we must use the state 2479 * machine to get us up to the SCAN state but once we reach SCAN 2480 * state we then want to use the supplied params. Stash the 2481 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2482 * state machines will recognize this and use the stashed params 2483 * to issue the scan request. 2484 * 2485 * Otherwise just invoke the scan machinery directly. 2486 */ 2487 IEEE80211_LOCK(ic); 2488 if (vap->iv_state == IEEE80211_S_INIT) { 2489 /* NB: clobbers previous settings */ 2490 vap->iv_scanreq_flags = sr->sr_flags; 2491 vap->iv_scanreq_duration = sr->sr_duration; 2492 vap->iv_scanreq_nssid = sr->sr_nssid; 2493 for (i = 0; i < sr->sr_nssid; i++) { 2494 vap->iv_scanreq_ssid[i].len = sr->sr_ssid[i].len; 2495 memcpy(vap->iv_scanreq_ssid[i].ssid, 2496 sr->sr_ssid[i].ssid, sr->sr_ssid[i].len); 2497 } 2498 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2499 IEEE80211_UNLOCK(ic); 2500 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2501 } else { 2502 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2503 IEEE80211_UNLOCK(ic); 2504 if (sr->sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2505 error = ieee80211_check_scan(vap, sr->sr_flags, 2506 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2507 sr->sr_nssid, 2508 /* NB: cheat, we assume structures are compatible */ 2509 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2510 } else { 2511 error = ieee80211_start_scan(vap, sr->sr_flags, 2512 sr->sr_duration, sr->sr_mindwell, sr->sr_maxdwell, 2513 sr->sr_nssid, 2514 /* NB: cheat, we assume structures are compatible */ 2515 (const struct ieee80211_scan_ssid *) &sr->sr_ssid[0]); 2516 } 2517 if (error == 0) 2518 return EINPROGRESS; 2519 } 2520 return 0; 2521 #undef IEEE80211_IOC_SCAN_FLAGS 2522 } 2523 2524 static __noinline int 2525 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2526 { 2527 struct ieee80211com *ic = vap->iv_ic; 2528 struct ieee80211_scan_req sr; /* XXX off stack? */ 2529 int error; 2530 2531 /* NB: parent must be running */ 2532 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2533 return ENXIO; 2534 2535 if (ireq->i_len != sizeof(sr)) 2536 return EINVAL; 2537 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2538 if (error != 0) 2539 return error; 2540 return ieee80211_scanreq(vap, &sr); 2541 } 2542 2543 static __noinline int 2544 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2545 { 2546 struct ieee80211_node *ni; 2547 struct ieee80211req_sta_vlan vlan; 2548 int error; 2549 2550 if (ireq->i_len != sizeof(vlan)) 2551 return EINVAL; 2552 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2553 if (error != 0) 2554 return error; 2555 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2556 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2557 vlan.sv_macaddr); 2558 if (ni == NULL) 2559 return ENOENT; 2560 } else 2561 ni = ieee80211_ref_node(vap->iv_bss); 2562 ni->ni_vlan = vlan.sv_vlan; 2563 ieee80211_free_node(ni); 2564 return error; 2565 } 2566 2567 static int 2568 isvap11g(const struct ieee80211vap *vap) 2569 { 2570 const struct ieee80211_node *bss = vap->iv_bss; 2571 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2572 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2573 } 2574 2575 static int 2576 isvapht(const struct ieee80211vap *vap) 2577 { 2578 const struct ieee80211_node *bss = vap->iv_bss; 2579 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2580 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2581 } 2582 2583 /* 2584 * Dummy ioctl set handler so the linker set is defined. 2585 */ 2586 static int 2587 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2588 { 2589 return ENOSYS; 2590 } 2591 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2592 2593 static int 2594 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2595 { 2596 ieee80211_ioctl_setfunc * const *set; 2597 int error; 2598 2599 SET_FOREACH(set, ieee80211_ioctl_setset) { 2600 error = (*set)(vap, ireq); 2601 if (error != ENOSYS) 2602 return error; 2603 } 2604 return EINVAL; 2605 } 2606 2607 static __noinline int 2608 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2609 { 2610 struct ieee80211com *ic = vap->iv_ic; 2611 int error; 2612 const struct ieee80211_authenticator *auth; 2613 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2614 char tmpssid[IEEE80211_NWID_LEN]; 2615 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2616 struct ieee80211_key *k; 2617 u_int kid; 2618 uint32_t flags; 2619 2620 error = 0; 2621 switch (ireq->i_type) { 2622 case IEEE80211_IOC_SSID: 2623 if (ireq->i_val != 0 || 2624 ireq->i_len > IEEE80211_NWID_LEN) 2625 return EINVAL; 2626 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2627 if (error) 2628 break; 2629 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2630 vap->iv_des_ssid[0].len = ireq->i_len; 2631 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2632 vap->iv_des_nssid = (ireq->i_len > 0); 2633 error = ENETRESET; 2634 break; 2635 case IEEE80211_IOC_WEP: 2636 switch (ireq->i_val) { 2637 case IEEE80211_WEP_OFF: 2638 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2639 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2640 break; 2641 case IEEE80211_WEP_ON: 2642 vap->iv_flags |= IEEE80211_F_PRIVACY; 2643 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2644 break; 2645 case IEEE80211_WEP_MIXED: 2646 vap->iv_flags |= IEEE80211_F_PRIVACY; 2647 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2648 break; 2649 } 2650 error = ENETRESET; 2651 break; 2652 case IEEE80211_IOC_WEPKEY: 2653 kid = (u_int) ireq->i_val; 2654 if (kid >= IEEE80211_WEP_NKID) 2655 return EINVAL; 2656 k = &vap->iv_nw_keys[kid]; 2657 if (ireq->i_len == 0) { 2658 /* zero-len =>'s delete any existing key */ 2659 (void) ieee80211_crypto_delkey(vap, k); 2660 break; 2661 } 2662 if (ireq->i_len > sizeof(tmpkey)) 2663 return EINVAL; 2664 memset(tmpkey, 0, sizeof(tmpkey)); 2665 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2666 if (error) 2667 break; 2668 ieee80211_key_update_begin(vap); 2669 k->wk_keyix = kid; /* NB: force fixed key id */ 2670 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2671 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2672 k->wk_keylen = ireq->i_len; 2673 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2674 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2675 if (!ieee80211_crypto_setkey(vap, k)) 2676 error = EINVAL; 2677 } else 2678 error = EINVAL; 2679 ieee80211_key_update_end(vap); 2680 break; 2681 case IEEE80211_IOC_WEPTXKEY: 2682 kid = (u_int) ireq->i_val; 2683 if (kid >= IEEE80211_WEP_NKID && 2684 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2685 return EINVAL; 2686 vap->iv_def_txkey = kid; 2687 break; 2688 case IEEE80211_IOC_AUTHMODE: 2689 switch (ireq->i_val) { 2690 case IEEE80211_AUTH_WPA: 2691 case IEEE80211_AUTH_8021X: /* 802.1x */ 2692 case IEEE80211_AUTH_OPEN: /* open */ 2693 case IEEE80211_AUTH_SHARED: /* shared-key */ 2694 case IEEE80211_AUTH_AUTO: /* auto */ 2695 auth = ieee80211_authenticator_get(ireq->i_val); 2696 if (auth == NULL) 2697 return EINVAL; 2698 break; 2699 default: 2700 return EINVAL; 2701 } 2702 switch (ireq->i_val) { 2703 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2704 vap->iv_flags |= IEEE80211_F_PRIVACY; 2705 ireq->i_val = IEEE80211_AUTH_8021X; 2706 break; 2707 case IEEE80211_AUTH_OPEN: /* open */ 2708 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2709 break; 2710 case IEEE80211_AUTH_SHARED: /* shared-key */ 2711 case IEEE80211_AUTH_8021X: /* 802.1x */ 2712 vap->iv_flags &= ~IEEE80211_F_WPA; 2713 /* both require a key so mark the PRIVACY capability */ 2714 vap->iv_flags |= IEEE80211_F_PRIVACY; 2715 break; 2716 case IEEE80211_AUTH_AUTO: /* auto */ 2717 vap->iv_flags &= ~IEEE80211_F_WPA; 2718 /* XXX PRIVACY handling? */ 2719 /* XXX what's the right way to do this? */ 2720 break; 2721 } 2722 /* NB: authenticator attach/detach happens on state change */ 2723 vap->iv_bss->ni_authmode = ireq->i_val; 2724 /* XXX mixed/mode/usage? */ 2725 vap->iv_auth = auth; 2726 error = ENETRESET; 2727 break; 2728 case IEEE80211_IOC_CHANNEL: 2729 error = ieee80211_ioctl_setchannel(vap, ireq); 2730 break; 2731 case IEEE80211_IOC_POWERSAVE: 2732 switch (ireq->i_val) { 2733 case IEEE80211_POWERSAVE_OFF: 2734 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2735 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2736 error = ERESTART; 2737 } 2738 break; 2739 case IEEE80211_POWERSAVE_ON: 2740 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2741 error = EOPNOTSUPP; 2742 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2743 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2744 error = ERESTART; 2745 } 2746 break; 2747 default: 2748 error = EINVAL; 2749 break; 2750 } 2751 break; 2752 case IEEE80211_IOC_POWERSAVESLEEP: 2753 if (ireq->i_val < 0) 2754 return EINVAL; 2755 ic->ic_lintval = ireq->i_val; 2756 error = ERESTART; 2757 break; 2758 case IEEE80211_IOC_RTSTHRESHOLD: 2759 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2760 ireq->i_val <= IEEE80211_RTS_MAX)) 2761 return EINVAL; 2762 vap->iv_rtsthreshold = ireq->i_val; 2763 error = ERESTART; 2764 break; 2765 case IEEE80211_IOC_PROTMODE: 2766 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2767 return EINVAL; 2768 ic->ic_protmode = (enum ieee80211_protmode)ireq->i_val; 2769 /* NB: if not operating in 11g this can wait */ 2770 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2771 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2772 error = ERESTART; 2773 break; 2774 case IEEE80211_IOC_TXPOWER: 2775 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2776 return EOPNOTSUPP; 2777 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2778 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2779 return EINVAL; 2780 ic->ic_txpowlimit = ireq->i_val; 2781 error = ERESTART; 2782 break; 2783 case IEEE80211_IOC_ROAMING: 2784 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2785 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2786 return EINVAL; 2787 vap->iv_roaming = (enum ieee80211_roamingmode)ireq->i_val; 2788 /* XXXX reset? */ 2789 break; 2790 case IEEE80211_IOC_PRIVACY: 2791 if (ireq->i_val) { 2792 /* XXX check for key state? */ 2793 vap->iv_flags |= IEEE80211_F_PRIVACY; 2794 } else 2795 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2796 /* XXX ERESTART? */ 2797 break; 2798 case IEEE80211_IOC_DROPUNENCRYPTED: 2799 if (ireq->i_val) 2800 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2801 else 2802 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2803 /* XXX ERESTART? */ 2804 break; 2805 case IEEE80211_IOC_WPAKEY: 2806 error = ieee80211_ioctl_setkey(vap, ireq); 2807 break; 2808 case IEEE80211_IOC_DELKEY: 2809 error = ieee80211_ioctl_delkey(vap, ireq); 2810 break; 2811 case IEEE80211_IOC_MLME: 2812 error = ieee80211_ioctl_setmlme(vap, ireq); 2813 break; 2814 case IEEE80211_IOC_COUNTERMEASURES: 2815 if (ireq->i_val) { 2816 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2817 return EOPNOTSUPP; 2818 vap->iv_flags |= IEEE80211_F_COUNTERM; 2819 } else 2820 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2821 /* XXX ERESTART? */ 2822 break; 2823 case IEEE80211_IOC_WPA: 2824 if (ireq->i_val > 3) 2825 return EINVAL; 2826 /* XXX verify ciphers available */ 2827 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2828 switch (ireq->i_val) { 2829 case 1: 2830 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2831 return EOPNOTSUPP; 2832 flags |= IEEE80211_F_WPA1; 2833 break; 2834 case 2: 2835 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2836 return EOPNOTSUPP; 2837 flags |= IEEE80211_F_WPA2; 2838 break; 2839 case 3: 2840 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2841 return EOPNOTSUPP; 2842 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2843 break; 2844 default: /* Can't set any -> error */ 2845 return EOPNOTSUPP; 2846 } 2847 vap->iv_flags = flags; 2848 error = ERESTART; /* NB: can change beacon frame */ 2849 break; 2850 case IEEE80211_IOC_WME: 2851 if (ireq->i_val) { 2852 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2853 return EOPNOTSUPP; 2854 ieee80211_syncflag(vap, IEEE80211_F_WME); 2855 } else 2856 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2857 error = ERESTART; /* NB: can change beacon frame */ 2858 break; 2859 case IEEE80211_IOC_HIDESSID: 2860 if (ireq->i_val) 2861 vap->iv_flags |= IEEE80211_F_HIDESSID; 2862 else 2863 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2864 error = ERESTART; /* XXX ENETRESET? */ 2865 break; 2866 case IEEE80211_IOC_APBRIDGE: 2867 if (ireq->i_val == 0) 2868 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2869 else 2870 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2871 break; 2872 case IEEE80211_IOC_BSSID: 2873 if (ireq->i_len != sizeof(tmpbssid)) 2874 return EINVAL; 2875 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2876 if (error) 2877 break; 2878 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2879 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2880 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2881 else 2882 vap->iv_flags |= IEEE80211_F_DESBSSID; 2883 error = ENETRESET; 2884 break; 2885 case IEEE80211_IOC_CHANLIST: 2886 error = ieee80211_ioctl_setchanlist(vap, ireq); 2887 break; 2888 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2889 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2890 case OLD_IEEE80211_IOC_SCAN_REQ: 2891 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2892 "%s: active scan request\n", __func__); 2893 /* 2894 * If we are in INIT state then the driver has never 2895 * had a chance to setup hardware state to do a scan; 2896 * use the state machine to get us up the SCAN state. 2897 * Otherwise just invoke the scan machinery to start 2898 * a one-time scan. 2899 */ 2900 if (vap->iv_state == IEEE80211_S_INIT) 2901 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2902 else 2903 (void) ieee80211_start_scan(vap, 2904 IEEE80211_SCAN_ACTIVE | 2905 IEEE80211_SCAN_NOPICK | 2906 IEEE80211_SCAN_ONCE, 2907 IEEE80211_SCAN_FOREVER, 0, 0, 2908 /* XXX use ioctl params */ 2909 vap->iv_des_nssid, vap->iv_des_ssid); 2910 break; 2911 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2912 case IEEE80211_IOC_SCAN_REQ: 2913 error = ieee80211_ioctl_scanreq(vap, ireq); 2914 break; 2915 case IEEE80211_IOC_SCAN_CANCEL: 2916 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2917 "%s: cancel scan\n", __func__); 2918 ieee80211_cancel_scan(vap); 2919 break; 2920 case IEEE80211_IOC_HTCONF: 2921 if (ireq->i_val & 1) 2922 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2923 else 2924 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2925 if (ireq->i_val & 2) 2926 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2927 else 2928 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2929 error = ENETRESET; 2930 break; 2931 case IEEE80211_IOC_ADDMAC: 2932 case IEEE80211_IOC_DELMAC: 2933 error = ieee80211_ioctl_macmac(vap, ireq); 2934 break; 2935 case IEEE80211_IOC_MACCMD: 2936 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2937 break; 2938 case IEEE80211_IOC_STA_STATS: 2939 error = ieee80211_ioctl_setstastats(vap, ireq); 2940 break; 2941 case IEEE80211_IOC_STA_TXPOW: 2942 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2943 break; 2944 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2945 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2946 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2947 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2948 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2949 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2950 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2951 break; 2952 case IEEE80211_IOC_DTIM_PERIOD: 2953 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2954 vap->iv_opmode != IEEE80211_M_MBSS && 2955 vap->iv_opmode != IEEE80211_M_IBSS) 2956 return EINVAL; 2957 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2958 ireq->i_val <= IEEE80211_DTIM_MAX) { 2959 vap->iv_dtim_period = ireq->i_val; 2960 error = ENETRESET; /* requires restart */ 2961 } else 2962 error = EINVAL; 2963 break; 2964 case IEEE80211_IOC_BEACON_INTERVAL: 2965 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2966 vap->iv_opmode != IEEE80211_M_MBSS && 2967 vap->iv_opmode != IEEE80211_M_IBSS) 2968 return EINVAL; 2969 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2970 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2971 ic->ic_bintval = ireq->i_val; 2972 error = ENETRESET; /* requires restart */ 2973 } else 2974 error = EINVAL; 2975 break; 2976 case IEEE80211_IOC_PUREG: 2977 if (ireq->i_val) 2978 vap->iv_flags |= IEEE80211_F_PUREG; 2979 else 2980 vap->iv_flags &= ~IEEE80211_F_PUREG; 2981 /* NB: reset only if we're operating on an 11g channel */ 2982 if (isvap11g(vap)) 2983 error = ENETRESET; 2984 break; 2985 case IEEE80211_IOC_QUIET: 2986 vap->iv_quiet= ireq->i_val; 2987 break; 2988 case IEEE80211_IOC_QUIET_COUNT: 2989 vap->iv_quiet_count=ireq->i_val; 2990 break; 2991 case IEEE80211_IOC_QUIET_PERIOD: 2992 vap->iv_quiet_period=ireq->i_val; 2993 break; 2994 case IEEE80211_IOC_QUIET_OFFSET: 2995 vap->iv_quiet_offset=ireq->i_val; 2996 break; 2997 case IEEE80211_IOC_QUIET_DUR: 2998 if(ireq->i_val < vap->iv_bss->ni_intval) 2999 vap->iv_quiet_duration = ireq->i_val; 3000 else 3001 error = EINVAL; 3002 break; 3003 case IEEE80211_IOC_BGSCAN: 3004 if (ireq->i_val) { 3005 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 3006 return EOPNOTSUPP; 3007 vap->iv_flags |= IEEE80211_F_BGSCAN; 3008 } else 3009 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 3010 break; 3011 case IEEE80211_IOC_BGSCAN_IDLE: 3012 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 3013 vap->iv_bgscanidle = ireq->i_val*hz/1000; 3014 else 3015 error = EINVAL; 3016 break; 3017 case IEEE80211_IOC_BGSCAN_INTERVAL: 3018 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 3019 vap->iv_bgscanintvl = ireq->i_val*hz; 3020 else 3021 error = EINVAL; 3022 break; 3023 case IEEE80211_IOC_SCANVALID: 3024 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 3025 vap->iv_scanvalid = ireq->i_val*hz; 3026 else 3027 error = EINVAL; 3028 break; 3029 case IEEE80211_IOC_FRAGTHRESHOLD: 3030 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 3031 ireq->i_val != IEEE80211_FRAG_MAX) 3032 return EOPNOTSUPP; 3033 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 3034 ireq->i_val <= IEEE80211_FRAG_MAX)) 3035 return EINVAL; 3036 vap->iv_fragthreshold = ireq->i_val; 3037 error = ERESTART; 3038 break; 3039 case IEEE80211_IOC_BURST: 3040 if (ireq->i_val) { 3041 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 3042 return EOPNOTSUPP; 3043 ieee80211_syncflag(vap, IEEE80211_F_BURST); 3044 } else 3045 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 3046 error = ERESTART; 3047 break; 3048 case IEEE80211_IOC_BMISSTHRESHOLD: 3049 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 3050 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 3051 return EINVAL; 3052 vap->iv_bmissthreshold = ireq->i_val; 3053 error = ERESTART; 3054 break; 3055 case IEEE80211_IOC_CURCHAN: 3056 error = ieee80211_ioctl_setcurchan(vap, ireq); 3057 break; 3058 case IEEE80211_IOC_SHORTGI: 3059 if (ireq->i_val) { 3060 #define IEEE80211_HTCAP_SHORTGI \ 3061 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 3062 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 3063 return EINVAL; 3064 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 3065 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 3066 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 3067 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 3068 #undef IEEE80211_HTCAP_SHORTGI 3069 } else 3070 vap->iv_flags_ht &= 3071 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 3072 error = ERESTART; 3073 break; 3074 case IEEE80211_IOC_AMPDU: 3075 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 3076 return EINVAL; 3077 if (ireq->i_val & 1) 3078 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 3079 else 3080 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 3081 if (ireq->i_val & 2) 3082 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 3083 else 3084 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 3085 /* NB: reset only if we're operating on an 11n channel */ 3086 if (isvapht(vap)) 3087 error = ERESTART; 3088 break; 3089 case IEEE80211_IOC_AMPDU_LIMIT: 3090 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 3091 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 3092 return EINVAL; 3093 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 3094 vap->iv_ampdu_rxmax = ireq->i_val; 3095 else 3096 vap->iv_ampdu_limit = ireq->i_val; 3097 error = ERESTART; 3098 break; 3099 case IEEE80211_IOC_AMPDU_DENSITY: 3100 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 3101 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 3102 return EINVAL; 3103 vap->iv_ampdu_density = ireq->i_val; 3104 error = ERESTART; 3105 break; 3106 case IEEE80211_IOC_AMSDU: 3107 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 3108 return EINVAL; 3109 if (ireq->i_val & 1) 3110 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 3111 else 3112 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 3113 if (ireq->i_val & 2) 3114 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 3115 else 3116 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 3117 /* NB: reset only if we're operating on an 11n channel */ 3118 if (isvapht(vap)) 3119 error = ERESTART; 3120 break; 3121 case IEEE80211_IOC_AMSDU_LIMIT: 3122 /* XXX validate */ 3123 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3124 break; 3125 case IEEE80211_IOC_PUREN: 3126 if (ireq->i_val) { 3127 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3128 return EINVAL; 3129 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3130 } else 3131 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3132 /* NB: reset only if we're operating on an 11n channel */ 3133 if (isvapht(vap)) 3134 error = ERESTART; 3135 break; 3136 case IEEE80211_IOC_DOTH: 3137 if (ireq->i_val) { 3138 #if 0 3139 /* XXX no capability */ 3140 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3141 return EOPNOTSUPP; 3142 #endif 3143 vap->iv_flags |= IEEE80211_F_DOTH; 3144 } else 3145 vap->iv_flags &= ~IEEE80211_F_DOTH; 3146 error = ENETRESET; 3147 break; 3148 case IEEE80211_IOC_REGDOMAIN: 3149 error = ieee80211_ioctl_setregdomain(vap, ireq); 3150 break; 3151 case IEEE80211_IOC_ROAM: 3152 error = ieee80211_ioctl_setroam(vap, ireq); 3153 break; 3154 case IEEE80211_IOC_TXPARAMS: 3155 error = ieee80211_ioctl_settxparams(vap, ireq); 3156 break; 3157 case IEEE80211_IOC_HTCOMPAT: 3158 if (ireq->i_val) { 3159 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3160 return EOPNOTSUPP; 3161 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3162 } else 3163 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3164 /* NB: reset only if we're operating on an 11n channel */ 3165 if (isvapht(vap)) 3166 error = ERESTART; 3167 break; 3168 case IEEE80211_IOC_DWDS: 3169 if (ireq->i_val) { 3170 /* NB: DWDS only makes sense for WDS-capable devices */ 3171 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3172 return EOPNOTSUPP; 3173 /* NB: DWDS is used only with ap+sta vaps */ 3174 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3175 vap->iv_opmode != IEEE80211_M_STA) 3176 return EINVAL; 3177 vap->iv_flags |= IEEE80211_F_DWDS; 3178 if (vap->iv_opmode == IEEE80211_M_STA) 3179 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3180 } else { 3181 vap->iv_flags &= ~IEEE80211_F_DWDS; 3182 if (vap->iv_opmode == IEEE80211_M_STA) 3183 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3184 } 3185 break; 3186 case IEEE80211_IOC_INACTIVITY: 3187 if (ireq->i_val) 3188 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3189 else 3190 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3191 break; 3192 case IEEE80211_IOC_APPIE: 3193 error = ieee80211_ioctl_setappie(vap, ireq); 3194 break; 3195 case IEEE80211_IOC_WPS: 3196 if (ireq->i_val) { 3197 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3198 return EOPNOTSUPP; 3199 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3200 } else 3201 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3202 break; 3203 case IEEE80211_IOC_TSN: 3204 if (ireq->i_val) { 3205 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3206 return EOPNOTSUPP; 3207 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3208 } else 3209 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3210 break; 3211 case IEEE80211_IOC_CHANSWITCH: 3212 error = ieee80211_ioctl_chanswitch(vap, ireq); 3213 break; 3214 case IEEE80211_IOC_DFS: 3215 if (ireq->i_val) { 3216 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3217 return EOPNOTSUPP; 3218 /* NB: DFS requires 11h support */ 3219 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3220 return EINVAL; 3221 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3222 } else 3223 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3224 break; 3225 case IEEE80211_IOC_DOTD: 3226 if (ireq->i_val) 3227 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3228 else 3229 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3230 if (vap->iv_opmode == IEEE80211_M_STA) 3231 error = ENETRESET; 3232 break; 3233 case IEEE80211_IOC_HTPROTMODE: 3234 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3235 return EINVAL; 3236 ic->ic_htprotmode = ireq->i_val ? 3237 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3238 /* NB: if not operating in 11n this can wait */ 3239 if (isvapht(vap)) 3240 error = ERESTART; 3241 break; 3242 case IEEE80211_IOC_STA_VLAN: 3243 error = ieee80211_ioctl_setstavlan(vap, ireq); 3244 break; 3245 case IEEE80211_IOC_SMPS: 3246 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3247 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3248 return EINVAL; 3249 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3250 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3251 return EOPNOTSUPP; 3252 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3253 ireq->i_val; 3254 /* NB: if not operating in 11n this can wait */ 3255 if (isvapht(vap)) 3256 error = ERESTART; 3257 break; 3258 case IEEE80211_IOC_RIFS: 3259 if (ireq->i_val != 0) { 3260 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3261 return EOPNOTSUPP; 3262 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3263 } else 3264 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3265 /* NB: if not operating in 11n this can wait */ 3266 if (isvapht(vap)) 3267 error = ERESTART; 3268 break; 3269 default: 3270 error = ieee80211_ioctl_setdefault(vap, ireq); 3271 break; 3272 } 3273 /* 3274 * The convention is that ENETRESET means an operation 3275 * requires a complete re-initialization of the device (e.g. 3276 * changing something that affects the association state). 3277 * ERESTART means the request may be handled with only a 3278 * reload of the hardware state. We hand ERESTART requests 3279 * to the iv_reset callback so the driver can decide. If 3280 * a device does not fillin iv_reset then it defaults to one 3281 * that returns ENETRESET. Otherwise a driver may return 3282 * ENETRESET (in which case a full reset will be done) or 3283 * 0 to mean there's no need to do anything (e.g. when the 3284 * change has no effect on the driver/device). 3285 */ 3286 if (error == ERESTART) 3287 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3288 vap->iv_reset(vap, ireq->i_type) : 0; 3289 if (error == ENETRESET) { 3290 /* XXX need to re-think AUTO handling */ 3291 if (IS_UP_AUTO(vap)) 3292 ieee80211_init(vap); 3293 error = 0; 3294 } 3295 return error; 3296 } 3297 3298 /* 3299 * Rebuild the parent's multicast address list after an add/del 3300 * of a multicast address for a vap. We have no way to tell 3301 * what happened above to optimize the work so we purge the entire 3302 * list and rebuild from scratch. This is way expensive. 3303 * Note also the half-baked workaround for if_addmulti calling 3304 * back to the parent device; there's no way to insert mcast 3305 * entries quietly and/or cheaply. 3306 */ 3307 static void 3308 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3309 { 3310 struct ifnet *parent = ic->ic_ifp; 3311 struct ieee80211vap *vap; 3312 void *ioctl; 3313 3314 IEEE80211_LOCK(ic); 3315 if_delallmulti_serialized(parent); 3316 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3317 parent->if_ioctl = NULL; 3318 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3319 struct ifnet *ifp = vap->iv_ifp; 3320 struct ifmultiaddr *ifma; 3321 3322 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3323 if (ifma->ifma_addr->sa_family != AF_LINK) 3324 continue; 3325 (void) if_addmulti_serialized(parent, ifma->ifma_addr, NULL); 3326 } 3327 } 3328 parent->if_ioctl = ioctl; 3329 ieee80211_runtask(ic, &ic->ic_mcast_task); 3330 IEEE80211_UNLOCK(ic); 3331 } 3332 3333 #if defined(__DragonFly__) 3334 int 3335 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred) 3336 #else 3337 int 3338 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3339 #endif 3340 { 3341 struct ieee80211vap *vap = ifp->if_softc; 3342 struct ieee80211com *ic = vap->iv_ic; 3343 int error = 0; 3344 struct ifreq *ifr; 3345 struct ifaddr *ifa; /* XXX */ 3346 3347 switch (cmd) { 3348 case SIOCSIFFLAGS: 3349 IEEE80211_LOCK(ic); 3350 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3351 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3352 if (ifp->if_flags & IFF_UP) { 3353 /* 3354 * Bring ourself up unless we're already operational. 3355 * If we're the first vap and the parent is not up 3356 * then it will automatically be brought up as a 3357 * side-effect of bringing ourself up. 3358 */ 3359 if (vap->iv_state == IEEE80211_S_INIT) 3360 ieee80211_start_locked(vap); 3361 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3362 /* 3363 * Stop ourself. If we are the last vap to be 3364 * marked down the parent will also be taken down. 3365 */ 3366 ieee80211_stop_locked(vap); 3367 } 3368 IEEE80211_UNLOCK(ic); 3369 /* Wait for parent ioctl handler if it was queued */ 3370 #if defined(__DragonFly__) 3371 /* DragonFly: release serializer to avoid deadlock */ 3372 wlan_serialize_exit(); 3373 ieee80211_waitfor_parent(ic); 3374 wlan_serialize_enter(); 3375 #else 3376 ieee80211_waitfor_parent(ic); 3377 #endif 3378 break; 3379 case SIOCADDMULTI: 3380 case SIOCDELMULTI: 3381 /* DragonFly: serializer must be held */ 3382 ieee80211_ioctl_updatemulti(ic); 3383 break; 3384 case SIOCSIFMEDIA: 3385 case SIOCGIFMEDIA: 3386 /* DragonFly: serializer must be held */ 3387 ifr = (struct ifreq *)data; 3388 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3389 break; 3390 case SIOCG80211: 3391 error = ieee80211_ioctl_get80211(vap, cmd, 3392 (struct ieee80211req *) data); 3393 break; 3394 case SIOCS80211: 3395 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3396 if (error == 0) 3397 error = ieee80211_ioctl_set80211(vap, cmd, 3398 (struct ieee80211req *) data); 3399 break; 3400 case SIOCG80211STATS: 3401 ifr = (struct ifreq *)data; 3402 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3403 break; 3404 case SIOCSIFMTU: 3405 ifr = (struct ifreq *)data; 3406 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3407 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3408 error = EINVAL; 3409 else 3410 ifp->if_mtu = ifr->ifr_mtu; 3411 break; 3412 case SIOCSIFADDR: 3413 /* 3414 * XXX Handle this directly so we can supress if_init calls. 3415 * XXX This should be done in ether_ioctl but for the moment 3416 * XXX there are too many other parts of the system that 3417 * XXX set IFF_UP and so supress if_init being called when 3418 * XXX it should be. 3419 */ 3420 ifa = (struct ifaddr *) data; 3421 switch (ifa->ifa_addr->sa_family) { 3422 #ifdef INET 3423 case AF_INET: 3424 if ((ifp->if_flags & IFF_UP) == 0) { 3425 ifp->if_flags |= IFF_UP; 3426 ifp->if_init(ifp->if_softc); 3427 } 3428 arp_ifinit(ifp, ifa); 3429 break; 3430 #endif 3431 default: 3432 if ((ifp->if_flags & IFF_UP) == 0) { 3433 ifp->if_flags |= IFF_UP; 3434 ifp->if_init(ifp->if_softc); 3435 } 3436 break; 3437 } 3438 break; 3439 /* Pass NDIS ioctls up to the driver */ 3440 case SIOCGDRVSPEC: 3441 case SIOCSDRVSPEC: 3442 case SIOCGPRIVATE_0: { 3443 struct ifnet *parent = vap->iv_ic->ic_ifp; 3444 #if defined(__DragonFly__) 3445 /* DragonFly: serializer must be held */ 3446 error = parent->if_ioctl(parent, cmd, data, ucred); 3447 #else 3448 error = parent->if_ioctl(parent, cmd, data); 3449 #endif 3450 break; 3451 } 3452 default: 3453 /* DragonFly: serializer must be held */ 3454 error = ether_ioctl(ifp, cmd, data); 3455 break; 3456 } 3457 3458 return error; 3459 } 3460