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 * $FreeBSD: head/sys/net80211/ieee80211_ioctl.c 202935 2010-01-24 16:17:58Z syrinx $ 27 */ 28 29 /* 30 * IEEE 802.11 ioctl support (DragonFlyBSD-specific) 31 */ 32 33 #include "opt_inet.h" 34 #include "opt_ipx.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 #include <net/route.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/if_ether.h> 55 #endif 56 57 #ifdef IPX 58 #include <netproto/ipx/ipx.h> 59 #include <netproto/ipx/ipx_if.h> 60 #endif 61 62 #include <netproto/802_11/ieee80211_var.h> 63 #include <netproto/802_11/ieee80211_ioctl.h> 64 #include <netproto/802_11/ieee80211_regdomain.h> 65 #include <netproto/802_11/ieee80211_input.h> 66 67 #define IS_UP_AUTO(_vap) \ 68 (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ 69 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 70 71 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 72 static struct ieee80211_channel *findchannel(struct ieee80211com *, 73 int ieee, int mode); 74 75 static __noinline int 76 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 77 { 78 struct ieee80211com *ic = vap->iv_ic; 79 struct ieee80211_node *ni; 80 struct ieee80211req_key ik; 81 struct ieee80211_key *wk; 82 const struct ieee80211_cipher *cip; 83 u_int kid; 84 int error; 85 86 if (ireq->i_len != sizeof(ik)) 87 return EINVAL; 88 error = copyin(ireq->i_data, &ik, sizeof(ik)); 89 if (error) 90 return error; 91 kid = ik.ik_keyix; 92 if (kid == IEEE80211_KEYIX_NONE) { 93 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 94 if (ni == NULL) 95 return ENOENT; 96 wk = &ni->ni_ucastkey; 97 } else { 98 if (kid >= IEEE80211_WEP_NKID) 99 return EINVAL; 100 wk = &vap->iv_nw_keys[kid]; 101 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 102 ni = NULL; 103 } 104 cip = wk->wk_cipher; 105 ik.ik_type = cip->ic_cipher; 106 ik.ik_keylen = wk->wk_keylen; 107 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 108 if (wk->wk_keyix == vap->iv_def_txkey) 109 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 110 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 111 /* NB: only root can read key data */ 112 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 113 ik.ik_keytsc = wk->wk_keytsc; 114 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 115 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 116 memcpy(ik.ik_keydata+wk->wk_keylen, 117 wk->wk_key + IEEE80211_KEYBUF_SIZE, 118 IEEE80211_MICBUF_SIZE); 119 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 120 } 121 } else { 122 ik.ik_keyrsc = 0; 123 ik.ik_keytsc = 0; 124 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 125 } 126 if (ni != NULL) 127 ieee80211_free_node(ni); 128 return copyout(&ik, ireq->i_data, sizeof(ik)); 129 } 130 131 static __noinline int 132 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 133 { 134 struct ieee80211com *ic = vap->iv_ic; 135 136 if (sizeof(ic->ic_chan_active) < ireq->i_len) 137 ireq->i_len = sizeof(ic->ic_chan_active); 138 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 139 } 140 141 static __noinline int 142 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 143 { 144 struct ieee80211com *ic = vap->iv_ic; 145 int space; 146 147 space = __offsetof(struct ieee80211req_chaninfo, 148 ic_chans[ic->ic_nchans]); 149 if (space > ireq->i_len) 150 space = ireq->i_len; 151 /* XXX assumes compatible layout */ 152 return copyout(&ic->ic_nchans, ireq->i_data, space); 153 } 154 155 static __noinline int 156 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 157 struct ieee80211req *ireq, int req) 158 { 159 struct ieee80211_node *ni; 160 struct ieee80211req_wpaie2 wpaie; 161 int error; 162 163 if (ireq->i_len < IEEE80211_ADDR_LEN) 164 return EINVAL; 165 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 166 if (error != 0) 167 return error; 168 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 169 if (ni == NULL) 170 return ENOENT; 171 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 172 if (ni->ni_ies.wpa_ie != NULL) { 173 int ielen = ni->ni_ies.wpa_ie[1] + 2; 174 if (ielen > sizeof(wpaie.wpa_ie)) 175 ielen = sizeof(wpaie.wpa_ie); 176 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 177 } 178 if (req == IEEE80211_IOC_WPAIE2) { 179 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 180 if (ni->ni_ies.rsn_ie != NULL) { 181 int ielen = ni->ni_ies.rsn_ie[1] + 2; 182 if (ielen > sizeof(wpaie.rsn_ie)) 183 ielen = sizeof(wpaie.rsn_ie); 184 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 185 } 186 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 187 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 188 } else { 189 /* compatibility op, may overwrite wpa ie */ 190 /* XXX check ic_flags? */ 191 if (ni->ni_ies.rsn_ie != NULL) { 192 int ielen = ni->ni_ies.rsn_ie[1] + 2; 193 if (ielen > sizeof(wpaie.wpa_ie)) 194 ielen = sizeof(wpaie.wpa_ie); 195 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 196 } 197 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 198 ireq->i_len = sizeof(struct ieee80211req_wpaie); 199 } 200 ieee80211_free_node(ni); 201 return copyout(&wpaie, ireq->i_data, ireq->i_len); 202 } 203 204 static __noinline int 205 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 206 { 207 struct ieee80211_node *ni; 208 uint8_t macaddr[IEEE80211_ADDR_LEN]; 209 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 210 int error; 211 212 if (ireq->i_len < off) 213 return EINVAL; 214 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 215 if (error != 0) 216 return error; 217 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 218 if (ni == NULL) 219 return ENOENT; 220 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 221 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 222 /* NB: copy out only the statistics */ 223 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 224 ireq->i_len - off); 225 ieee80211_free_node(ni); 226 return error; 227 } 228 229 struct scanreq { 230 struct ieee80211req_scan_result *sr; 231 size_t space; 232 }; 233 234 static size_t 235 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 236 { 237 size_t len; 238 239 *ielen = se->se_ies.len; 240 /* 241 * NB: ie's can be no more than 255 bytes and the max 802.11 242 * packet is <3Kbytes so we are sure this doesn't overflow 243 * 16-bits; if this is a concern we can drop the ie's. 244 */ 245 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + 246 se->se_meshid[1] + *ielen; 247 return roundup(len, sizeof(uint32_t)); 248 } 249 250 static void 251 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 252 { 253 struct scanreq *req = arg; 254 int ielen; 255 256 req->space += scan_space(se, &ielen); 257 } 258 259 static __noinline void 260 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 261 { 262 struct scanreq *req = arg; 263 struct ieee80211req_scan_result *sr; 264 int ielen, len, nr, nxr; 265 uint8_t *cp; 266 267 len = scan_space(se, &ielen); 268 if (len > req->space) 269 return; 270 271 sr = req->sr; 272 KASSERT(len <= 65535 && ielen <= 65535, 273 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 274 sr->isr_len = len; 275 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 276 sr->isr_ie_len = ielen; 277 sr->isr_freq = se->se_chan->ic_freq; 278 sr->isr_flags = se->se_chan->ic_flags; 279 sr->isr_rssi = se->se_rssi; 280 sr->isr_noise = se->se_noise; 281 sr->isr_intval = se->se_intval; 282 sr->isr_capinfo = se->se_capinfo; 283 sr->isr_erp = se->se_erp; 284 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 285 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 286 memcpy(sr->isr_rates, se->se_rates+2, nr); 287 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 288 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 289 sr->isr_nrates = nr + nxr; 290 291 /* copy SSID */ 292 sr->isr_ssid_len = se->se_ssid[1]; 293 cp = ((uint8_t *)sr) + sr->isr_ie_off; 294 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 295 296 /* copy mesh id */ 297 cp += sr->isr_ssid_len; 298 sr->isr_meshid_len = se->se_meshid[1]; 299 memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); 300 cp += sr->isr_meshid_len; 301 302 if (ielen) 303 memcpy(cp, se->se_ies.data, ielen); 304 305 req->space -= len; 306 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 307 } 308 309 static __noinline int 310 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 311 struct ieee80211req *ireq) 312 { 313 struct scanreq req; 314 int error; 315 316 if (ireq->i_len < sizeof(struct scanreq)) 317 return EFAULT; 318 319 error = 0; 320 req.space = 0; 321 ieee80211_scan_iterate(vap, get_scan_space, &req); 322 if (req.space > ireq->i_len) 323 req.space = ireq->i_len; 324 if (req.space > 0) { 325 size_t space; 326 void *p; 327 328 space = req.space; 329 /* XXX M_WAITOK after driver lock released */ 330 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 331 if (p == NULL) 332 return ENOMEM; 333 req.sr = p; 334 ieee80211_scan_iterate(vap, get_scan_result, &req); 335 ireq->i_len = space - req.space; 336 error = copyout(p, ireq->i_data, ireq->i_len); 337 kfree(p, M_TEMP); 338 } else 339 ireq->i_len = 0; 340 341 return error; 342 } 343 344 struct stainforeq { 345 struct ieee80211vap *vap; 346 struct ieee80211req_sta_info *si; 347 size_t space; 348 }; 349 350 static size_t 351 sta_space(const struct ieee80211_node *ni, size_t *ielen) 352 { 353 *ielen = ni->ni_ies.len; 354 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 355 sizeof(uint32_t)); 356 } 357 358 static void 359 get_sta_space(void *arg, struct ieee80211_node *ni) 360 { 361 struct stainforeq *req = arg; 362 size_t ielen; 363 364 if (req->vap != ni->ni_vap) 365 return; 366 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 367 ni->ni_associd == 0) /* only associated stations */ 368 return; 369 req->space += sta_space(ni, &ielen); 370 } 371 372 static __noinline void 373 get_sta_info(void *arg, struct ieee80211_node *ni) 374 { 375 struct stainforeq *req = arg; 376 struct ieee80211vap *vap = ni->ni_vap; 377 struct ieee80211req_sta_info *si; 378 size_t ielen, len; 379 uint8_t *cp; 380 381 if (req->vap != ni->ni_vap) 382 return; 383 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 384 ni->ni_associd == 0) /* only associated stations */ 385 return; 386 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 387 return; 388 len = sta_space(ni, &ielen); 389 if (len > req->space) 390 return; 391 si = req->si; 392 si->isi_len = len; 393 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 394 si->isi_ie_len = ielen; 395 si->isi_freq = ni->ni_chan->ic_freq; 396 si->isi_flags = ni->ni_chan->ic_flags; 397 si->isi_state = ni->ni_flags; 398 si->isi_authmode = ni->ni_authmode; 399 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 400 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 401 si->isi_capinfo = ni->ni_capinfo; 402 si->isi_erp = ni->ni_erp; 403 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 404 si->isi_nrates = ni->ni_rates.rs_nrates; 405 if (si->isi_nrates > 15) 406 si->isi_nrates = 15; 407 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 408 si->isi_txrate = ni->ni_txrate; 409 if (si->isi_txrate & IEEE80211_RATE_MCS) { 410 const struct ieee80211_mcs_rates *mcs = 411 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 412 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 413 if (ni->ni_flags & IEEE80211_NODE_SGI40) 414 si->isi_txmbps = mcs->ht40_rate_800ns; 415 else 416 si->isi_txmbps = mcs->ht40_rate_400ns; 417 } else { 418 if (ni->ni_flags & IEEE80211_NODE_SGI20) 419 si->isi_txmbps = mcs->ht20_rate_800ns; 420 else 421 si->isi_txmbps = mcs->ht20_rate_400ns; 422 } 423 } else 424 si->isi_txmbps = si->isi_txrate; 425 si->isi_associd = ni->ni_associd; 426 si->isi_txpower = ni->ni_txpower; 427 si->isi_vlan = ni->ni_vlan; 428 if (ni->ni_flags & IEEE80211_NODE_QOS) { 429 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 430 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 431 } else { 432 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 433 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 434 } 435 /* NB: leave all cases in case we relax ni_associd == 0 check */ 436 if (ieee80211_node_is_authorized(ni)) 437 si->isi_inact = vap->iv_inact_run; 438 else if (ni->ni_associd != 0 || 439 (vap->iv_opmode == IEEE80211_M_WDS && 440 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 441 si->isi_inact = vap->iv_inact_auth; 442 else 443 si->isi_inact = vap->iv_inact_init; 444 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 445 si->isi_localid = ni->ni_mllid; 446 si->isi_peerid = ni->ni_mlpid; 447 si->isi_peerstate = ni->ni_mlstate; 448 449 if (ielen) { 450 cp = ((uint8_t *)si) + si->isi_ie_off; 451 memcpy(cp, ni->ni_ies.data, ielen); 452 } 453 454 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 455 req->space -= len; 456 } 457 458 static __noinline int 459 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 460 struct ieee80211_node *ni, int off) 461 { 462 struct ieee80211com *ic = vap->iv_ic; 463 struct stainforeq req; 464 size_t space; 465 void *p; 466 int error; 467 468 error = 0; 469 req.space = 0; 470 req.vap = vap; 471 if (ni == NULL) 472 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 473 else 474 get_sta_space(&req, ni); 475 if (req.space > ireq->i_len) 476 req.space = ireq->i_len; 477 if (req.space > 0) { 478 space = req.space; 479 /* XXX M_WAITOK after driver lock released */ 480 p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); 481 if (p == NULL) { 482 error = ENOMEM; 483 goto bad; 484 } 485 req.si = p; 486 if (ni == NULL) 487 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 488 else 489 get_sta_info(&req, ni); 490 ireq->i_len = space - req.space; 491 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 492 kfree(p, M_TEMP); 493 } else 494 ireq->i_len = 0; 495 bad: 496 if (ni != NULL) 497 ieee80211_free_node(ni); 498 return error; 499 } 500 501 static __noinline int 502 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 503 { 504 uint8_t macaddr[IEEE80211_ADDR_LEN]; 505 const int off = __offsetof(struct ieee80211req_sta_req, info); 506 struct ieee80211_node *ni; 507 int error; 508 509 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 510 return EFAULT; 511 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 512 if (error != 0) 513 return error; 514 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 515 ni = NULL; 516 } else { 517 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 518 if (ni == NULL) 519 return ENOENT; 520 } 521 return getstainfo_common(vap, ireq, ni, off); 522 } 523 524 static __noinline int 525 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 526 { 527 struct ieee80211_node *ni; 528 struct ieee80211req_sta_txpow txpow; 529 int error; 530 531 if (ireq->i_len != sizeof(txpow)) 532 return EINVAL; 533 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 534 if (error != 0) 535 return error; 536 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 537 if (ni == NULL) 538 return ENOENT; 539 txpow.it_txpow = ni->ni_txpower; 540 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 541 ieee80211_free_node(ni); 542 return error; 543 } 544 545 static __noinline int 546 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 547 { 548 struct ieee80211com *ic = vap->iv_ic; 549 struct ieee80211_wme_state *wme = &ic->ic_wme; 550 struct wmeParams *wmep; 551 int ac; 552 553 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 554 return EINVAL; 555 556 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 557 if (ac >= WME_NUM_AC) 558 ac = WME_AC_BE; 559 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 560 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 561 else 562 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 563 switch (ireq->i_type) { 564 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 565 ireq->i_val = wmep->wmep_logcwmin; 566 break; 567 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 568 ireq->i_val = wmep->wmep_logcwmax; 569 break; 570 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 571 ireq->i_val = wmep->wmep_aifsn; 572 break; 573 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 574 ireq->i_val = wmep->wmep_txopLimit; 575 break; 576 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 577 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 578 ireq->i_val = wmep->wmep_acm; 579 break; 580 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 581 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 582 ireq->i_val = !wmep->wmep_noackPolicy; 583 break; 584 } 585 return 0; 586 } 587 588 static __noinline int 589 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 590 { 591 const struct ieee80211_aclator *acl = vap->iv_acl; 592 593 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 594 } 595 596 static __noinline int 597 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 598 { 599 struct ieee80211com *ic = vap->iv_ic; 600 struct ieee80211_channel *c; 601 602 if (ireq->i_len != sizeof(struct ieee80211_channel)) 603 return EINVAL; 604 /* 605 * vap's may have different operating channels when HT is 606 * in use. When in RUN state report the vap-specific channel. 607 * Otherwise return curchan. 608 */ 609 if (vap->iv_state == IEEE80211_S_RUN) 610 c = vap->iv_bss->ni_chan; 611 else 612 c = ic->ic_curchan; 613 return copyout(c, ireq->i_data, sizeof(*c)); 614 } 615 616 static int 617 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 618 { 619 if (aie == NULL) 620 return EINVAL; 621 /* NB: truncate, caller can check length */ 622 if (ireq->i_len > aie->ie_len) 623 ireq->i_len = aie->ie_len; 624 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 625 } 626 627 static int 628 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 629 { 630 uint8_t fc0; 631 632 fc0 = ireq->i_val & 0xff; 633 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 634 return EINVAL; 635 /* NB: could check iv_opmode and reject but hardly worth the effort */ 636 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 637 case IEEE80211_FC0_SUBTYPE_BEACON: 638 return getappie(vap->iv_appie_beacon, ireq); 639 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 640 return getappie(vap->iv_appie_proberesp, ireq); 641 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 642 return getappie(vap->iv_appie_assocresp, ireq); 643 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 644 return getappie(vap->iv_appie_probereq, ireq); 645 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 646 return getappie(vap->iv_appie_assocreq, ireq); 647 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 648 return getappie(vap->iv_appie_wpa, ireq); 649 } 650 return EINVAL; 651 } 652 653 static __noinline int 654 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 655 const struct ieee80211req *ireq) 656 { 657 struct ieee80211com *ic = vap->iv_ic; 658 659 if (ireq->i_len != sizeof(ic->ic_regdomain)) 660 return EINVAL; 661 return copyout(&ic->ic_regdomain, ireq->i_data, 662 sizeof(ic->ic_regdomain)); 663 } 664 665 static __noinline int 666 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 667 const struct ieee80211req *ireq) 668 { 669 size_t len = ireq->i_len; 670 /* NB: accept short requests for backwards compat */ 671 if (len > sizeof(vap->iv_roamparms)) 672 len = sizeof(vap->iv_roamparms); 673 return copyout(vap->iv_roamparms, ireq->i_data, len); 674 } 675 676 static __noinline int 677 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 678 const struct ieee80211req *ireq) 679 { 680 size_t len = ireq->i_len; 681 /* NB: accept short requests for backwards compat */ 682 if (len > sizeof(vap->iv_txparms)) 683 len = sizeof(vap->iv_txparms); 684 return copyout(vap->iv_txparms, ireq->i_data, len); 685 } 686 687 static __noinline int 688 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 689 const struct ieee80211req *ireq) 690 { 691 struct ieee80211_devcaps_req *dc; 692 struct ieee80211req_chaninfo *ci; 693 int maxchans, error; 694 695 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 696 sizeof(struct ieee80211_channel)); 697 /* NB: require 1 so we know ic_nchans is accessible */ 698 if (maxchans < 1) 699 return EINVAL; 700 /* constrain max request size, 2K channels is ~24Kbytes */ 701 if (maxchans > 2048) 702 maxchans = 2048; 703 dc = (struct ieee80211_devcaps_req *) 704 kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, 705 M_INTWAIT | M_ZERO); 706 if (dc == NULL) 707 return ENOMEM; 708 dc->dc_drivercaps = ic->ic_caps; 709 dc->dc_cryptocaps = ic->ic_cryptocaps; 710 dc->dc_htcaps = ic->ic_htcaps; 711 ci = &dc->dc_chaninfo; 712 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 713 KASSERT(ci->ic_nchans <= maxchans, 714 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 715 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 716 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 717 kfree(dc, M_TEMP); 718 return error; 719 } 720 721 static __noinline int 722 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 723 { 724 struct ieee80211_node *ni; 725 struct ieee80211req_sta_vlan vlan; 726 int error; 727 728 if (ireq->i_len != sizeof(vlan)) 729 return EINVAL; 730 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 731 if (error != 0) 732 return error; 733 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 734 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 735 vlan.sv_macaddr); 736 if (ni == NULL) 737 return ENOENT; 738 } else 739 ni = ieee80211_ref_node(vap->iv_bss); 740 vlan.sv_vlan = ni->ni_vlan; 741 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 742 ieee80211_free_node(ni); 743 return error; 744 } 745 746 /* 747 * Dummy ioctl get handler so the linker set is defined. 748 */ 749 static int 750 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 751 { 752 return ENOSYS; 753 } 754 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 755 756 static int 757 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 758 { 759 ieee80211_ioctl_getfunc * const *get; 760 int error; 761 762 SET_FOREACH(get, ieee80211_ioctl_getset) { 763 error = (*get)(vap, ireq); 764 if (error != ENOSYS) 765 return error; 766 } 767 return EINVAL; 768 } 769 770 /* 771 * When building the kernel with -O2 on the i386 architecture, gcc 772 * seems to want to inline this function into ieee80211_ioctl() 773 * (which is the only routine that calls it). When this happens, 774 * ieee80211_ioctl() ends up consuming an additional 2K of stack 775 * space. (Exactly why it needs so much is unclear.) The problem 776 * is that it's possible for ieee80211_ioctl() to invoke other 777 * routines (including driver init functions) which could then find 778 * themselves perilously close to exhausting the stack. 779 * 780 * To avoid this, we deliberately prevent gcc from inlining this 781 * routine. Another way to avoid this is to use less agressive 782 * optimization when compiling this file (i.e. -O instead of -O2) 783 * but special-casing the compilation of this one module in the 784 * build system would be awkward. 785 */ 786 static __noinline int 787 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 788 struct ieee80211req *ireq) 789 { 790 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 791 struct ieee80211com *ic = vap->iv_ic; 792 u_int kid, len; 793 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 794 char tmpssid[IEEE80211_NWID_LEN]; 795 int error = 0; 796 797 switch (ireq->i_type) { 798 case IEEE80211_IOC_SSID: 799 switch (vap->iv_state) { 800 case IEEE80211_S_INIT: 801 case IEEE80211_S_SCAN: 802 ireq->i_len = vap->iv_des_ssid[0].len; 803 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 804 break; 805 default: 806 ireq->i_len = vap->iv_bss->ni_esslen; 807 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 808 break; 809 } 810 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 811 break; 812 case IEEE80211_IOC_NUMSSIDS: 813 ireq->i_val = 1; 814 break; 815 case IEEE80211_IOC_WEP: 816 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 817 ireq->i_val = IEEE80211_WEP_OFF; 818 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 819 ireq->i_val = IEEE80211_WEP_ON; 820 else 821 ireq->i_val = IEEE80211_WEP_MIXED; 822 break; 823 case IEEE80211_IOC_WEPKEY: 824 kid = (u_int) ireq->i_val; 825 if (kid >= IEEE80211_WEP_NKID) 826 return EINVAL; 827 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 828 /* NB: only root can read WEP keys */ 829 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 830 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 831 } else { 832 bzero(tmpkey, len); 833 } 834 ireq->i_len = len; 835 error = copyout(tmpkey, ireq->i_data, len); 836 break; 837 case IEEE80211_IOC_NUMWEPKEYS: 838 ireq->i_val = IEEE80211_WEP_NKID; 839 break; 840 case IEEE80211_IOC_WEPTXKEY: 841 ireq->i_val = vap->iv_def_txkey; 842 break; 843 case IEEE80211_IOC_AUTHMODE: 844 if (vap->iv_flags & IEEE80211_F_WPA) 845 ireq->i_val = IEEE80211_AUTH_WPA; 846 else 847 ireq->i_val = vap->iv_bss->ni_authmode; 848 break; 849 case IEEE80211_IOC_CHANNEL: 850 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 851 break; 852 case IEEE80211_IOC_POWERSAVE: 853 if (vap->iv_flags & IEEE80211_F_PMGTON) 854 ireq->i_val = IEEE80211_POWERSAVE_ON; 855 else 856 ireq->i_val = IEEE80211_POWERSAVE_OFF; 857 break; 858 case IEEE80211_IOC_POWERSAVESLEEP: 859 ireq->i_val = ic->ic_lintval; 860 break; 861 case IEEE80211_IOC_RTSTHRESHOLD: 862 ireq->i_val = vap->iv_rtsthreshold; 863 break; 864 case IEEE80211_IOC_PROTMODE: 865 ireq->i_val = ic->ic_protmode; 866 break; 867 case IEEE80211_IOC_TXPOWER: 868 /* 869 * Tx power limit is the min of max regulatory 870 * power, any user-set limit, and the max the 871 * radio can do. 872 */ 873 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 874 if (ireq->i_val > ic->ic_txpowlimit) 875 ireq->i_val = ic->ic_txpowlimit; 876 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 877 ireq->i_val = ic->ic_curchan->ic_maxpower; 878 break; 879 case IEEE80211_IOC_WPA: 880 switch (vap->iv_flags & IEEE80211_F_WPA) { 881 case IEEE80211_F_WPA1: 882 ireq->i_val = 1; 883 break; 884 case IEEE80211_F_WPA2: 885 ireq->i_val = 2; 886 break; 887 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 888 ireq->i_val = 3; 889 break; 890 default: 891 ireq->i_val = 0; 892 break; 893 } 894 break; 895 case IEEE80211_IOC_CHANLIST: 896 error = ieee80211_ioctl_getchanlist(vap, ireq); 897 break; 898 case IEEE80211_IOC_ROAMING: 899 ireq->i_val = vap->iv_roaming; 900 break; 901 case IEEE80211_IOC_PRIVACY: 902 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 903 break; 904 case IEEE80211_IOC_DROPUNENCRYPTED: 905 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 906 break; 907 case IEEE80211_IOC_COUNTERMEASURES: 908 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 909 break; 910 case IEEE80211_IOC_WME: 911 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 912 break; 913 case IEEE80211_IOC_HIDESSID: 914 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 915 break; 916 case IEEE80211_IOC_APBRIDGE: 917 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 918 break; 919 case IEEE80211_IOC_WPAKEY: 920 error = ieee80211_ioctl_getkey(vap, ireq); 921 break; 922 case IEEE80211_IOC_CHANINFO: 923 error = ieee80211_ioctl_getchaninfo(vap, ireq); 924 break; 925 case IEEE80211_IOC_BSSID: 926 if (ireq->i_len != IEEE80211_ADDR_LEN) 927 return EINVAL; 928 if (vap->iv_state == IEEE80211_S_RUN) { 929 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 930 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 931 ireq->i_data, ireq->i_len); 932 } else 933 error = copyout(vap->iv_des_bssid, ireq->i_data, 934 ireq->i_len); 935 break; 936 case IEEE80211_IOC_WPAIE: 937 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 938 break; 939 case IEEE80211_IOC_WPAIE2: 940 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 941 break; 942 case IEEE80211_IOC_SCAN_RESULTS: 943 error = ieee80211_ioctl_getscanresults(vap, ireq); 944 break; 945 case IEEE80211_IOC_STA_STATS: 946 error = ieee80211_ioctl_getstastats(vap, ireq); 947 break; 948 case IEEE80211_IOC_TXPOWMAX: 949 ireq->i_val = vap->iv_bss->ni_txpower; 950 break; 951 case IEEE80211_IOC_STA_TXPOW: 952 error = ieee80211_ioctl_getstatxpow(vap, ireq); 953 break; 954 case IEEE80211_IOC_STA_INFO: 955 error = ieee80211_ioctl_getstainfo(vap, ireq); 956 break; 957 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 958 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 959 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 960 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 961 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 962 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 963 error = ieee80211_ioctl_getwmeparam(vap, ireq); 964 break; 965 case IEEE80211_IOC_DTIM_PERIOD: 966 ireq->i_val = vap->iv_dtim_period; 967 break; 968 case IEEE80211_IOC_BEACON_INTERVAL: 969 /* NB: get from ic_bss for station mode */ 970 ireq->i_val = vap->iv_bss->ni_intval; 971 break; 972 case IEEE80211_IOC_PUREG: 973 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 974 break; 975 case IEEE80211_IOC_BGSCAN: 976 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 977 break; 978 case IEEE80211_IOC_BGSCAN_IDLE: 979 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 980 break; 981 case IEEE80211_IOC_BGSCAN_INTERVAL: 982 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 983 break; 984 case IEEE80211_IOC_SCANVALID: 985 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 986 break; 987 case IEEE80211_IOC_FRAGTHRESHOLD: 988 ireq->i_val = vap->iv_fragthreshold; 989 break; 990 case IEEE80211_IOC_MACCMD: 991 error = ieee80211_ioctl_getmaccmd(vap, ireq); 992 break; 993 case IEEE80211_IOC_BURST: 994 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 995 break; 996 case IEEE80211_IOC_BMISSTHRESHOLD: 997 ireq->i_val = vap->iv_bmissthreshold; 998 break; 999 case IEEE80211_IOC_CURCHAN: 1000 error = ieee80211_ioctl_getcurchan(vap, ireq); 1001 break; 1002 case IEEE80211_IOC_SHORTGI: 1003 ireq->i_val = 0; 1004 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) 1005 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 1006 if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) 1007 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 1008 break; 1009 case IEEE80211_IOC_AMPDU: 1010 ireq->i_val = 0; 1011 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) 1012 ireq->i_val |= 1; 1013 if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) 1014 ireq->i_val |= 2; 1015 break; 1016 case IEEE80211_IOC_AMPDU_LIMIT: 1017 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1018 ireq->i_val = vap->iv_ampdu_rxmax; 1019 else if (vap->iv_state == IEEE80211_S_RUN) 1020 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1021 IEEE80211_HTCAP_MAXRXAMPDU); 1022 else 1023 ireq->i_val = vap->iv_ampdu_limit; 1024 break; 1025 case IEEE80211_IOC_AMPDU_DENSITY: 1026 if (vap->iv_opmode == IEEE80211_M_STA && 1027 vap->iv_state == IEEE80211_S_RUN) 1028 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1029 IEEE80211_HTCAP_MPDUDENSITY); 1030 else 1031 ireq->i_val = vap->iv_ampdu_density; 1032 break; 1033 case IEEE80211_IOC_AMSDU: 1034 ireq->i_val = 0; 1035 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) 1036 ireq->i_val |= 1; 1037 if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) 1038 ireq->i_val |= 2; 1039 break; 1040 case IEEE80211_IOC_AMSDU_LIMIT: 1041 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1042 break; 1043 case IEEE80211_IOC_PUREN: 1044 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; 1045 break; 1046 case IEEE80211_IOC_DOTH: 1047 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1048 break; 1049 case IEEE80211_IOC_REGDOMAIN: 1050 error = ieee80211_ioctl_getregdomain(vap, ireq); 1051 break; 1052 case IEEE80211_IOC_ROAM: 1053 error = ieee80211_ioctl_getroam(vap, ireq); 1054 break; 1055 case IEEE80211_IOC_TXPARAMS: 1056 error = ieee80211_ioctl_gettxparams(vap, ireq); 1057 break; 1058 case IEEE80211_IOC_HTCOMPAT: 1059 ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; 1060 break; 1061 case IEEE80211_IOC_DWDS: 1062 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1063 break; 1064 case IEEE80211_IOC_INACTIVITY: 1065 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1066 break; 1067 case IEEE80211_IOC_APPIE: 1068 error = ieee80211_ioctl_getappie(vap, ireq); 1069 break; 1070 case IEEE80211_IOC_WPS: 1071 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1072 break; 1073 case IEEE80211_IOC_TSN: 1074 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1075 break; 1076 case IEEE80211_IOC_DFS: 1077 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1078 break; 1079 case IEEE80211_IOC_DOTD: 1080 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1081 break; 1082 case IEEE80211_IOC_DEVCAPS: 1083 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1084 break; 1085 case IEEE80211_IOC_HTPROTMODE: 1086 ireq->i_val = ic->ic_htprotmode; 1087 break; 1088 case IEEE80211_IOC_HTCONF: 1089 if (vap->iv_flags_ht & IEEE80211_FHT_HT) { 1090 ireq->i_val = 1; 1091 if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) 1092 ireq->i_val |= 2; 1093 } else 1094 ireq->i_val = 0; 1095 break; 1096 case IEEE80211_IOC_STA_VLAN: 1097 error = ieee80211_ioctl_getstavlan(vap, ireq); 1098 break; 1099 case IEEE80211_IOC_SMPS: 1100 if (vap->iv_opmode == IEEE80211_M_STA && 1101 vap->iv_state == IEEE80211_S_RUN) { 1102 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1103 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1104 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1105 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1106 else 1107 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1108 } else 1109 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1110 break; 1111 case IEEE80211_IOC_RIFS: 1112 if (vap->iv_opmode == IEEE80211_M_STA && 1113 vap->iv_state == IEEE80211_S_RUN) 1114 ireq->i_val = 1115 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1116 else 1117 ireq->i_val = 1118 (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; 1119 break; 1120 default: 1121 error = ieee80211_ioctl_getdefault(vap, ireq); 1122 break; 1123 } 1124 return error; 1125 #undef MS 1126 } 1127 1128 static __noinline int 1129 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1130 { 1131 struct ieee80211req_key ik; 1132 struct ieee80211_node *ni; 1133 struct ieee80211_key *wk; 1134 uint16_t kid; 1135 int error, i; 1136 1137 if (ireq->i_len != sizeof(ik)) 1138 return EINVAL; 1139 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1140 if (error) 1141 return error; 1142 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1143 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1144 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1145 return E2BIG; 1146 kid = ik.ik_keyix; 1147 if (kid == IEEE80211_KEYIX_NONE) { 1148 /* XXX unicast keys currently must be tx/rx */ 1149 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1150 return EINVAL; 1151 if (vap->iv_opmode == IEEE80211_M_STA) { 1152 ni = ieee80211_ref_node(vap->iv_bss); 1153 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1154 ieee80211_free_node(ni); 1155 return EADDRNOTAVAIL; 1156 } 1157 } else { 1158 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1159 ik.ik_macaddr); 1160 if (ni == NULL) 1161 return ENOENT; 1162 } 1163 wk = &ni->ni_ucastkey; 1164 } else { 1165 if (kid >= IEEE80211_WEP_NKID) 1166 return EINVAL; 1167 wk = &vap->iv_nw_keys[kid]; 1168 /* 1169 * Global slots start off w/o any assigned key index. 1170 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1171 */ 1172 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1173 wk->wk_keyix = kid; 1174 ni = NULL; 1175 } 1176 error = 0; 1177 ieee80211_key_update_begin(vap); 1178 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1179 wk->wk_keylen = ik.ik_keylen; 1180 /* NB: MIC presence is implied by cipher type */ 1181 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1182 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1183 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1184 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1185 wk->wk_keytsc = 0; /* new key, reset */ 1186 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1187 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1188 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1189 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1190 if (!ieee80211_crypto_setkey(vap, wk)) 1191 error = EIO; 1192 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1193 vap->iv_def_txkey = kid; 1194 } else 1195 error = ENXIO; 1196 ieee80211_key_update_end(vap); 1197 if (ni != NULL) 1198 ieee80211_free_node(ni); 1199 return error; 1200 } 1201 1202 static __noinline int 1203 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1204 { 1205 struct ieee80211req_del_key dk; 1206 int kid, error; 1207 1208 if (ireq->i_len != sizeof(dk)) 1209 return EINVAL; 1210 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1211 if (error) 1212 return error; 1213 kid = dk.idk_keyix; 1214 /* XXX uint8_t -> uint16_t */ 1215 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1216 struct ieee80211_node *ni; 1217 1218 if (vap->iv_opmode == IEEE80211_M_STA) { 1219 ni = ieee80211_ref_node(vap->iv_bss); 1220 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1221 ieee80211_free_node(ni); 1222 return EADDRNOTAVAIL; 1223 } 1224 } else { 1225 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1226 dk.idk_macaddr); 1227 if (ni == NULL) 1228 return ENOENT; 1229 } 1230 /* XXX error return */ 1231 ieee80211_node_delucastkey(ni); 1232 ieee80211_free_node(ni); 1233 } else { 1234 if (kid >= IEEE80211_WEP_NKID) 1235 return EINVAL; 1236 /* XXX error return */ 1237 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1238 } 1239 return 0; 1240 } 1241 1242 struct mlmeop { 1243 struct ieee80211vap *vap; 1244 int op; 1245 int reason; 1246 }; 1247 1248 static void 1249 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1250 int op, int reason) 1251 { 1252 #ifdef IEEE80211_DEBUG 1253 static const struct { 1254 int mask; 1255 const char *opstr; 1256 } ops[] = { 1257 { 0, "op#0" }, 1258 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1259 IEEE80211_MSG_ASSOC, "assoc" }, 1260 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1261 IEEE80211_MSG_ASSOC, "disassoc" }, 1262 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1263 IEEE80211_MSG_AUTH, "deauth" }, 1264 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1265 IEEE80211_MSG_AUTH, "authorize" }, 1266 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1267 IEEE80211_MSG_AUTH, "unauthorize" }, 1268 }; 1269 1270 if (op == IEEE80211_MLME_AUTH) { 1271 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1272 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1273 "station authenticate %s via MLME (reason %d)", 1274 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1275 reason); 1276 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1277 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1278 "unknown MLME request %d (reason %d)", op, reason); 1279 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1280 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1281 "station %s via MLME", ops[op].opstr); 1282 } else { 1283 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1284 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1285 } 1286 #endif /* IEEE80211_DEBUG */ 1287 } 1288 1289 static void 1290 domlme(void *arg, struct ieee80211_node *ni) 1291 { 1292 struct mlmeop *mop = arg; 1293 struct ieee80211vap *vap = ni->ni_vap; 1294 1295 if (vap != mop->vap) 1296 return; 1297 /* 1298 * NB: if ni_associd is zero then the node is already cleaned 1299 * up and we don't need to do this (we're safely holding a 1300 * reference but should otherwise not modify it's state). 1301 */ 1302 if (ni->ni_associd == 0) 1303 return; 1304 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1305 if (mop->op == IEEE80211_MLME_DEAUTH) { 1306 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1307 mop->reason); 1308 } else { 1309 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1310 mop->reason); 1311 } 1312 ieee80211_node_leave(ni); 1313 } 1314 1315 static int 1316 setmlme_dropsta(struct ieee80211vap *vap, 1317 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1318 { 1319 struct ieee80211com *ic = vap->iv_ic; 1320 struct ieee80211_node_table *nt = &ic->ic_sta; 1321 struct ieee80211_node *ni; 1322 int error = 0; 1323 1324 /* NB: the broadcast address means do 'em all */ 1325 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1326 ni = ieee80211_find_node_locked(nt, mac); 1327 if (ni != NULL) { 1328 domlme(mlmeop, ni); 1329 ieee80211_free_node(ni); 1330 } else 1331 error = ENOENT; 1332 } else { 1333 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1334 } 1335 return error; 1336 } 1337 1338 static __noinline int 1339 setmlme_common(struct ieee80211vap *vap, int op, 1340 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1341 { 1342 struct ieee80211com *ic = vap->iv_ic; 1343 struct ieee80211_node_table *nt = &ic->ic_sta; 1344 struct ieee80211_node *ni; 1345 struct mlmeop mlmeop; 1346 int error; 1347 1348 error = 0; 1349 switch (op) { 1350 case IEEE80211_MLME_DISASSOC: 1351 case IEEE80211_MLME_DEAUTH: 1352 switch (vap->iv_opmode) { 1353 case IEEE80211_M_STA: 1354 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1355 /* XXX not quite right */ 1356 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1357 break; 1358 case IEEE80211_M_HOSTAP: 1359 mlmeop.vap = vap; 1360 mlmeop.op = op; 1361 mlmeop.reason = reason; 1362 error = setmlme_dropsta(vap, mac, &mlmeop); 1363 break; 1364 case IEEE80211_M_WDS: 1365 /* XXX user app should send raw frame? */ 1366 if (op != IEEE80211_MLME_DEAUTH) { 1367 error = EINVAL; 1368 break; 1369 } 1370 #if 0 1371 /* XXX accept any address, simplifies user code */ 1372 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1373 error = EINVAL; 1374 break; 1375 } 1376 #endif 1377 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1378 ni = ieee80211_ref_node(vap->iv_bss); 1379 IEEE80211_SEND_MGMT(ni, 1380 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1381 ieee80211_free_node(ni); 1382 break; 1383 default: 1384 error = EINVAL; 1385 break; 1386 } 1387 break; 1388 case IEEE80211_MLME_AUTHORIZE: 1389 case IEEE80211_MLME_UNAUTHORIZE: 1390 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1391 vap->iv_opmode != IEEE80211_M_WDS) { 1392 error = EINVAL; 1393 break; 1394 } 1395 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1396 if (ni != NULL) { 1397 mlmedebug(vap, mac, op, reason); 1398 if (op == IEEE80211_MLME_AUTHORIZE) 1399 ieee80211_node_authorize(ni); 1400 else 1401 ieee80211_node_unauthorize(ni); 1402 ieee80211_free_node(ni); 1403 } else 1404 error = ENOENT; 1405 break; 1406 case IEEE80211_MLME_AUTH: 1407 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1408 error = EINVAL; 1409 break; 1410 } 1411 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1412 if (ni != NULL) { 1413 mlmedebug(vap, mac, op, reason); 1414 if (reason == IEEE80211_STATUS_SUCCESS) { 1415 IEEE80211_SEND_MGMT(ni, 1416 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1417 /* 1418 * For shared key auth, just continue the 1419 * exchange. Otherwise when 802.1x is not in 1420 * use mark the port authorized at this point 1421 * so traffic can flow. 1422 */ 1423 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1424 ni->ni_challenge == NULL) 1425 ieee80211_node_authorize(ni); 1426 } else { 1427 vap->iv_stats.is_rx_acl++; 1428 ieee80211_send_error(ni, ni->ni_macaddr, 1429 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1430 ieee80211_node_leave(ni); 1431 } 1432 ieee80211_free_node(ni); 1433 } else 1434 error = ENOENT; 1435 break; 1436 default: 1437 error = EINVAL; 1438 break; 1439 } 1440 return error; 1441 } 1442 1443 struct scanlookup { 1444 const uint8_t *mac; 1445 int esslen; 1446 const uint8_t *essid; 1447 const struct ieee80211_scan_entry *se; 1448 }; 1449 1450 /* 1451 * Match mac address and any ssid. 1452 */ 1453 static void 1454 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1455 { 1456 struct scanlookup *look = arg; 1457 1458 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1459 return; 1460 if (look->esslen != 0) { 1461 if (se->se_ssid[1] != look->esslen) 1462 return; 1463 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1464 return; 1465 } 1466 look->se = se; 1467 } 1468 1469 static __noinline int 1470 setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1471 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN]) 1472 { 1473 struct scanlookup lookup; 1474 1475 /* XXX ibss/ahdemo */ 1476 if (vap->iv_opmode != IEEE80211_M_STA) 1477 return EINVAL; 1478 1479 /* NB: this is racey if roaming is !manual */ 1480 lookup.se = NULL; 1481 lookup.mac = mac; 1482 lookup.esslen = ssid_len; 1483 lookup.essid = ssid; 1484 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1485 if (lookup.se == NULL) 1486 return ENOENT; 1487 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1488 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1489 return EIO; /* XXX unique but could be better */ 1490 return 0; 1491 } 1492 1493 static __noinline int 1494 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1495 { 1496 struct ieee80211req_mlme mlme; 1497 int error; 1498 1499 if (ireq->i_len != sizeof(mlme)) 1500 return EINVAL; 1501 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1502 if (error) 1503 return error; 1504 if (mlme.im_op == IEEE80211_MLME_ASSOC) 1505 return setmlme_assoc(vap, mlme.im_macaddr, 1506 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1507 else 1508 return setmlme_common(vap, mlme.im_op, 1509 mlme.im_macaddr, mlme.im_reason); 1510 } 1511 1512 static __noinline int 1513 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1514 { 1515 uint8_t mac[IEEE80211_ADDR_LEN]; 1516 const struct ieee80211_aclator *acl = vap->iv_acl; 1517 int error; 1518 1519 if (ireq->i_len != sizeof(mac)) 1520 return EINVAL; 1521 error = copyin(ireq->i_data, mac, ireq->i_len); 1522 if (error) 1523 return error; 1524 if (acl == NULL) { 1525 acl = ieee80211_aclator_get("mac"); 1526 if (acl == NULL || !acl->iac_attach(vap)) 1527 return EINVAL; 1528 vap->iv_acl = acl; 1529 } 1530 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1531 acl->iac_add(vap, mac); 1532 else 1533 acl->iac_remove(vap, mac); 1534 return 0; 1535 } 1536 1537 static __noinline int 1538 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1539 { 1540 const struct ieee80211_aclator *acl = vap->iv_acl; 1541 1542 switch (ireq->i_val) { 1543 case IEEE80211_MACCMD_POLICY_OPEN: 1544 case IEEE80211_MACCMD_POLICY_ALLOW: 1545 case IEEE80211_MACCMD_POLICY_DENY: 1546 case IEEE80211_MACCMD_POLICY_RADIUS: 1547 if (acl == NULL) { 1548 acl = ieee80211_aclator_get("mac"); 1549 if (acl == NULL || !acl->iac_attach(vap)) 1550 return EINVAL; 1551 vap->iv_acl = acl; 1552 } 1553 acl->iac_setpolicy(vap, ireq->i_val); 1554 break; 1555 case IEEE80211_MACCMD_FLUSH: 1556 if (acl != NULL) 1557 acl->iac_flush(vap); 1558 /* NB: silently ignore when not in use */ 1559 break; 1560 case IEEE80211_MACCMD_DETACH: 1561 if (acl != NULL) { 1562 vap->iv_acl = NULL; 1563 acl->iac_detach(vap); 1564 } 1565 break; 1566 default: 1567 if (acl == NULL) 1568 return EINVAL; 1569 else 1570 return acl->iac_setioctl(vap, ireq); 1571 } 1572 return 0; 1573 } 1574 1575 static __noinline int 1576 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1577 { 1578 struct ieee80211com *ic = vap->iv_ic; 1579 uint8_t *chanlist, *list; 1580 int i, nchan, maxchan, error; 1581 1582 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1583 ireq->i_len = sizeof(ic->ic_chan_active); 1584 list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1585 M_INTWAIT | M_ZERO); 1586 if (list == NULL) 1587 return ENOMEM; 1588 error = copyin(ireq->i_data, list, ireq->i_len); 1589 if (error) { 1590 kfree(list, M_TEMP); 1591 return error; 1592 } 1593 nchan = 0; 1594 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1595 maxchan = ireq->i_len * NBBY; 1596 for (i = 0; i < ic->ic_nchans; i++) { 1597 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1598 /* 1599 * Calculate the intersection of the user list and the 1600 * available channels so users can do things like specify 1601 * 1-255 to get all available channels. 1602 */ 1603 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1604 setbit(chanlist, c->ic_ieee); 1605 nchan++; 1606 } 1607 } 1608 if (nchan == 0) { 1609 kfree(list, M_TEMP); 1610 return EINVAL; 1611 } 1612 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1613 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1614 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1615 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1616 ieee80211_scan_flush(vap); 1617 kfree(list, M_TEMP); 1618 return ENETRESET; 1619 } 1620 1621 static __noinline int 1622 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1623 { 1624 struct ieee80211_node *ni; 1625 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1626 int error; 1627 1628 /* 1629 * NB: we could copyin ieee80211req_sta_stats so apps 1630 * could make selective changes but that's overkill; 1631 * just clear all stats for now. 1632 */ 1633 if (ireq->i_len < IEEE80211_ADDR_LEN) 1634 return EINVAL; 1635 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1636 if (error != 0) 1637 return error; 1638 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1639 if (ni == NULL) 1640 return ENOENT; 1641 /* XXX require ni_vap == vap? */ 1642 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1643 ieee80211_free_node(ni); 1644 return 0; 1645 } 1646 1647 static __noinline int 1648 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1649 { 1650 struct ieee80211_node *ni; 1651 struct ieee80211req_sta_txpow txpow; 1652 int error; 1653 1654 if (ireq->i_len != sizeof(txpow)) 1655 return EINVAL; 1656 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1657 if (error != 0) 1658 return error; 1659 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1660 if (ni == NULL) 1661 return ENOENT; 1662 ni->ni_txpower = txpow.it_txpow; 1663 ieee80211_free_node(ni); 1664 return error; 1665 } 1666 1667 static __noinline int 1668 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1669 { 1670 struct ieee80211com *ic = vap->iv_ic; 1671 struct ieee80211_wme_state *wme = &ic->ic_wme; 1672 struct wmeParams *wmep, *chanp; 1673 int isbss, ac; 1674 1675 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1676 return EOPNOTSUPP; 1677 1678 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1679 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1680 if (ac >= WME_NUM_AC) 1681 ac = WME_AC_BE; 1682 if (isbss) { 1683 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1684 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1685 } else { 1686 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1687 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1688 } 1689 switch (ireq->i_type) { 1690 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1691 if (isbss) { 1692 wmep->wmep_logcwmin = ireq->i_val; 1693 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1694 chanp->wmep_logcwmin = ireq->i_val; 1695 } else { 1696 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1697 ireq->i_val; 1698 } 1699 break; 1700 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1701 if (isbss) { 1702 wmep->wmep_logcwmax = ireq->i_val; 1703 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1704 chanp->wmep_logcwmax = ireq->i_val; 1705 } else { 1706 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1707 ireq->i_val; 1708 } 1709 break; 1710 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1711 if (isbss) { 1712 wmep->wmep_aifsn = ireq->i_val; 1713 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1714 chanp->wmep_aifsn = ireq->i_val; 1715 } else { 1716 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1717 } 1718 break; 1719 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1720 if (isbss) { 1721 wmep->wmep_txopLimit = ireq->i_val; 1722 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1723 chanp->wmep_txopLimit = ireq->i_val; 1724 } else { 1725 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1726 ireq->i_val; 1727 } 1728 break; 1729 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1730 wmep->wmep_acm = ireq->i_val; 1731 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1732 chanp->wmep_acm = ireq->i_val; 1733 break; 1734 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1735 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1736 (ireq->i_val) == 0; 1737 break; 1738 } 1739 ieee80211_wme_updateparams(vap); 1740 return 0; 1741 } 1742 1743 static int 1744 find11gchannel(struct ieee80211com *ic, int start, int freq) 1745 { 1746 const struct ieee80211_channel *c; 1747 int i; 1748 1749 for (i = start+1; i < ic->ic_nchans; i++) { 1750 c = &ic->ic_channels[i]; 1751 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1752 return 1; 1753 } 1754 /* NB: should not be needed but in case things are mis-sorted */ 1755 for (i = 0; i < start; i++) { 1756 c = &ic->ic_channels[i]; 1757 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1758 return 1; 1759 } 1760 return 0; 1761 } 1762 1763 static struct ieee80211_channel * 1764 findchannel(struct ieee80211com *ic, int ieee, int mode) 1765 { 1766 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1767 [IEEE80211_MODE_AUTO] = 0, 1768 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1769 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1770 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1771 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1772 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1773 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1774 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1775 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1776 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1777 /* NB: handled specially below */ 1778 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1779 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1780 }; 1781 u_int modeflags; 1782 int i; 1783 1784 modeflags = chanflags[mode]; 1785 for (i = 0; i < ic->ic_nchans; i++) { 1786 struct ieee80211_channel *c = &ic->ic_channels[i]; 1787 1788 if (c->ic_ieee != ieee) 1789 continue; 1790 if (mode == IEEE80211_MODE_AUTO) { 1791 /* ignore turbo channels for autoselect */ 1792 if (IEEE80211_IS_CHAN_TURBO(c)) 1793 continue; 1794 /* 1795 * XXX special-case 11b/g channels so we 1796 * always select the g channel if both 1797 * are present. 1798 * XXX prefer HT to non-HT? 1799 */ 1800 if (!IEEE80211_IS_CHAN_B(c) || 1801 !find11gchannel(ic, i, c->ic_freq)) 1802 return c; 1803 } else { 1804 /* must check HT specially */ 1805 if ((mode == IEEE80211_MODE_11NA || 1806 mode == IEEE80211_MODE_11NG) && 1807 !IEEE80211_IS_CHAN_HT(c)) 1808 continue; 1809 if ((c->ic_flags & modeflags) == modeflags) 1810 return c; 1811 } 1812 } 1813 return NULL; 1814 } 1815 1816 /* 1817 * Check the specified against any desired mode (aka netband). 1818 * This is only used (presently) when operating in hostap mode 1819 * to enforce consistency. 1820 */ 1821 static int 1822 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1823 { 1824 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1825 1826 switch (mode) { 1827 case IEEE80211_MODE_11B: 1828 return (IEEE80211_IS_CHAN_B(c)); 1829 case IEEE80211_MODE_11G: 1830 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1831 case IEEE80211_MODE_11A: 1832 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1833 case IEEE80211_MODE_STURBO_A: 1834 return (IEEE80211_IS_CHAN_STURBO(c)); 1835 case IEEE80211_MODE_11NA: 1836 return (IEEE80211_IS_CHAN_HTA(c)); 1837 case IEEE80211_MODE_11NG: 1838 return (IEEE80211_IS_CHAN_HTG(c)); 1839 } 1840 return 1; 1841 1842 } 1843 1844 /* 1845 * Common code to set the current channel. If the device 1846 * is up and running this may result in an immediate channel 1847 * change or a kick of the state machine. 1848 */ 1849 static int 1850 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1851 { 1852 struct ieee80211com *ic = vap->iv_ic; 1853 int error; 1854 1855 if (c != IEEE80211_CHAN_ANYC) { 1856 if (IEEE80211_IS_CHAN_RADAR(c)) 1857 return EBUSY; /* XXX better code? */ 1858 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1859 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1860 return EINVAL; 1861 if (!check_mode_consistency(c, vap->iv_des_mode)) 1862 return EINVAL; 1863 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1864 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1865 return EINVAL; 1866 } 1867 if (vap->iv_state == IEEE80211_S_RUN && 1868 vap->iv_bss->ni_chan == c) 1869 return 0; /* NB: nothing to do */ 1870 } 1871 vap->iv_des_chan = c; 1872 1873 error = 0; 1874 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1875 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1876 /* 1877 * Monitor mode can switch directly. 1878 */ 1879 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1880 /* XXX need state machine for other vap's to follow */ 1881 ieee80211_setcurchan(ic, vap->iv_des_chan); 1882 vap->iv_bss->ni_chan = ic->ic_curchan; 1883 } else 1884 ic->ic_curchan = vap->iv_des_chan; 1885 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1886 } else { 1887 /* 1888 * Need to go through the state machine in case we 1889 * need to reassociate or the like. The state machine 1890 * will pickup the desired channel and avoid scanning. 1891 */ 1892 if (IS_UP_AUTO(vap)) 1893 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1894 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1895 /* 1896 * When not up+running and a real channel has 1897 * been specified fix the current channel so 1898 * there is immediate feedback; e.g. via ifconfig. 1899 */ 1900 ic->ic_curchan = vap->iv_des_chan; 1901 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1902 } 1903 } 1904 return error; 1905 } 1906 1907 /* 1908 * Old api for setting the current channel; this is 1909 * deprecated because channel numbers are ambiguous. 1910 */ 1911 static __noinline int 1912 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1913 const struct ieee80211req *ireq) 1914 { 1915 struct ieee80211com *ic = vap->iv_ic; 1916 struct ieee80211_channel *c; 1917 1918 /* XXX 0xffff overflows 16-bit signed */ 1919 if (ireq->i_val == 0 || 1920 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1921 c = IEEE80211_CHAN_ANYC; 1922 } else { 1923 struct ieee80211_channel *c2; 1924 1925 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 1926 if (c == NULL) { 1927 c = findchannel(ic, ireq->i_val, 1928 IEEE80211_MODE_AUTO); 1929 if (c == NULL) 1930 return EINVAL; 1931 } 1932 /* 1933 * Fine tune channel selection based on desired mode: 1934 * if 11b is requested, find the 11b version of any 1935 * 11g channel returned, 1936 * if static turbo, find the turbo version of any 1937 * 11a channel return, 1938 * if 11na is requested, find the ht version of any 1939 * 11a channel returned, 1940 * if 11ng is requested, find the ht version of any 1941 * 11g channel returned, 1942 * otherwise we should be ok with what we've got. 1943 */ 1944 switch (vap->iv_des_mode) { 1945 case IEEE80211_MODE_11B: 1946 if (IEEE80211_IS_CHAN_ANYG(c)) { 1947 c2 = findchannel(ic, ireq->i_val, 1948 IEEE80211_MODE_11B); 1949 /* NB: should not happen, =>'s 11g w/o 11b */ 1950 if (c2 != NULL) 1951 c = c2; 1952 } 1953 break; 1954 case IEEE80211_MODE_TURBO_A: 1955 if (IEEE80211_IS_CHAN_A(c)) { 1956 c2 = findchannel(ic, ireq->i_val, 1957 IEEE80211_MODE_TURBO_A); 1958 if (c2 != NULL) 1959 c = c2; 1960 } 1961 break; 1962 case IEEE80211_MODE_11NA: 1963 if (IEEE80211_IS_CHAN_A(c)) { 1964 c2 = findchannel(ic, ireq->i_val, 1965 IEEE80211_MODE_11NA); 1966 if (c2 != NULL) 1967 c = c2; 1968 } 1969 break; 1970 case IEEE80211_MODE_11NG: 1971 if (IEEE80211_IS_CHAN_ANYG(c)) { 1972 c2 = findchannel(ic, ireq->i_val, 1973 IEEE80211_MODE_11NG); 1974 if (c2 != NULL) 1975 c = c2; 1976 } 1977 break; 1978 default: /* NB: no static turboG */ 1979 break; 1980 } 1981 } 1982 return setcurchan(vap, c); 1983 } 1984 1985 /* 1986 * New/current api for setting the current channel; a complete 1987 * channel description is provide so there is no ambiguity in 1988 * identifying the channel. 1989 */ 1990 static __noinline int 1991 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 1992 const struct ieee80211req *ireq) 1993 { 1994 struct ieee80211com *ic = vap->iv_ic; 1995 struct ieee80211_channel chan, *c; 1996 int error; 1997 1998 if (ireq->i_len != sizeof(chan)) 1999 return EINVAL; 2000 error = copyin(ireq->i_data, &chan, sizeof(chan)); 2001 if (error != 0) 2002 return error; 2003 /* XXX 0xffff overflows 16-bit signed */ 2004 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 2005 c = IEEE80211_CHAN_ANYC; 2006 } else { 2007 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 2008 if (c == NULL) 2009 return EINVAL; 2010 } 2011 return setcurchan(vap, c); 2012 } 2013 2014 static __noinline int 2015 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2016 const struct ieee80211req *ireq) 2017 { 2018 struct ieee80211_regdomain_req *reg; 2019 int nchans, error; 2020 2021 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2022 sizeof(struct ieee80211_channel)); 2023 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2024 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2025 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2026 ireq->i_len, nchans); 2027 return EINVAL; 2028 } 2029 reg = (struct ieee80211_regdomain_req *) 2030 kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT); 2031 if (reg == NULL) { 2032 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2033 "%s: no memory, nchans %d\n", __func__, nchans); 2034 return ENOMEM; 2035 } 2036 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2037 if (error == 0) { 2038 /* NB: validate inline channel count against storage size */ 2039 if (reg->chaninfo.ic_nchans != nchans) { 2040 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2041 "%s: chan cnt mismatch, %d != %d\n", __func__, 2042 reg->chaninfo.ic_nchans, nchans); 2043 error = EINVAL; 2044 } else 2045 error = ieee80211_setregdomain(vap, reg); 2046 } 2047 kfree(reg, M_TEMP); 2048 2049 return (error == 0 ? ENETRESET : error); 2050 } 2051 2052 static int 2053 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2054 const struct ieee80211req *ireq) 2055 { 2056 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2057 return EINVAL; 2058 /* XXX validate params */ 2059 /* XXX? ENETRESET to push to device? */ 2060 return copyin(ireq->i_data, vap->iv_roamparms, 2061 sizeof(vap->iv_roamparms)); 2062 } 2063 2064 static int 2065 checkrate(const struct ieee80211_rateset *rs, int rate) 2066 { 2067 int i; 2068 2069 if (rate == IEEE80211_FIXED_RATE_NONE) 2070 return 1; 2071 for (i = 0; i < rs->rs_nrates; i++) 2072 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2073 return 1; 2074 return 0; 2075 } 2076 2077 static int 2078 checkmcs(int mcs) 2079 { 2080 if (mcs == IEEE80211_FIXED_RATE_NONE) 2081 return 1; 2082 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2083 return 0; 2084 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2085 } 2086 2087 static __noinline int 2088 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2089 const struct ieee80211req *ireq) 2090 { 2091 struct ieee80211com *ic = vap->iv_ic; 2092 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2093 struct ieee80211_txparam *src, *dst; 2094 const struct ieee80211_rateset *rs; 2095 int error, mode, changed, is11n, nmodes; 2096 2097 /* NB: accept short requests for backwards compat */ 2098 if (ireq->i_len > sizeof(parms)) 2099 return EINVAL; 2100 error = copyin(ireq->i_data, &parms, ireq->i_len); 2101 if (error != 0) 2102 return error; 2103 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2104 changed = 0; 2105 /* validate parameters and check if anything changed */ 2106 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2107 if (isclr(ic->ic_modecaps, mode)) 2108 continue; 2109 src = &parms.params[mode]; 2110 dst = &vap->iv_txparms[mode]; 2111 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2112 is11n = (mode == IEEE80211_MODE_11NA || 2113 mode == IEEE80211_MODE_11NG); 2114 if (src->ucastrate != dst->ucastrate) { 2115 if (!checkrate(rs, src->ucastrate) && 2116 (!is11n || !checkmcs(src->ucastrate))) 2117 return EINVAL; 2118 changed++; 2119 } 2120 if (src->mcastrate != dst->mcastrate) { 2121 if (!checkrate(rs, src->mcastrate) && 2122 (!is11n || !checkmcs(src->mcastrate))) 2123 return EINVAL; 2124 changed++; 2125 } 2126 if (src->mgmtrate != dst->mgmtrate) { 2127 if (!checkrate(rs, src->mgmtrate) && 2128 (!is11n || !checkmcs(src->mgmtrate))) 2129 return EINVAL; 2130 changed++; 2131 } 2132 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2133 changed++; 2134 } 2135 if (changed) { 2136 /* 2137 * Copy new parameters in place and notify the 2138 * driver so it can push state to the device. 2139 */ 2140 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2141 if (isset(ic->ic_modecaps, mode)) 2142 vap->iv_txparms[mode] = parms.params[mode]; 2143 } 2144 /* XXX could be more intelligent, 2145 e.g. don't reset if setting not being used */ 2146 return ENETRESET; 2147 } 2148 return 0; 2149 } 2150 2151 /* 2152 * Application Information Element support. 2153 */ 2154 static int 2155 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2156 { 2157 struct ieee80211_appie *app = *aie; 2158 struct ieee80211_appie *napp; 2159 int error; 2160 2161 if (ireq->i_len == 0) { /* delete any existing ie */ 2162 if (app != NULL) { 2163 *aie = NULL; /* XXX racey */ 2164 kfree(app, M_80211_NODE_IE); 2165 } 2166 return 0; 2167 } 2168 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2169 return EINVAL; 2170 /* 2171 * Allocate a new appie structure and copy in the user data. 2172 * When done swap in the new structure. Note that we do not 2173 * guard against users holding a ref to the old structure; 2174 * this must be handled outside this code. 2175 * 2176 * XXX bad bad bad 2177 */ 2178 napp = (struct ieee80211_appie *) kmalloc( 2179 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, 2180 M_INTWAIT); 2181 if (napp == NULL) 2182 return ENOMEM; 2183 /* XXX holding ic lock */ 2184 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2185 if (error) { 2186 kfree(napp, M_80211_NODE_IE); 2187 return error; 2188 } 2189 napp->ie_len = ireq->i_len; 2190 *aie = napp; 2191 if (app != NULL) 2192 kfree(app, M_80211_NODE_IE); 2193 return 0; 2194 } 2195 2196 static void 2197 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2198 { 2199 /* validate data is present as best we can */ 2200 if (space == 0 || 2+ie[1] > space) 2201 return; 2202 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2203 vap->iv_wpa_ie = ie; 2204 else if (ie[0] == IEEE80211_ELEMID_RSN) 2205 vap->iv_rsn_ie = ie; 2206 } 2207 2208 static __noinline int 2209 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2210 const struct ieee80211req *ireq, int fc0) 2211 { 2212 int error; 2213 2214 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2215 case IEEE80211_FC0_SUBTYPE_BEACON: 2216 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2217 vap->iv_opmode != IEEE80211_M_IBSS) { 2218 error = EINVAL; 2219 break; 2220 } 2221 error = setappie(&vap->iv_appie_beacon, ireq); 2222 if (error == 0) 2223 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2224 break; 2225 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2226 error = setappie(&vap->iv_appie_proberesp, ireq); 2227 break; 2228 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2229 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2230 error = setappie(&vap->iv_appie_assocresp, ireq); 2231 else 2232 error = EINVAL; 2233 break; 2234 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2235 error = setappie(&vap->iv_appie_probereq, ireq); 2236 break; 2237 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2238 if (vap->iv_opmode == IEEE80211_M_STA) 2239 error = setappie(&vap->iv_appie_assocreq, ireq); 2240 else 2241 error = EINVAL; 2242 break; 2243 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2244 error = setappie(&vap->iv_appie_wpa, ireq); 2245 if (error == 0) { 2246 /* 2247 * Must split single blob of data into separate 2248 * WPA and RSN ie's because they go in different 2249 * locations in the mgt frames. 2250 * XXX use IEEE80211_IOC_WPA2 so user code does split 2251 */ 2252 vap->iv_wpa_ie = NULL; 2253 vap->iv_rsn_ie = NULL; 2254 if (vap->iv_appie_wpa != NULL) { 2255 struct ieee80211_appie *appie = 2256 vap->iv_appie_wpa; 2257 uint8_t *data = appie->ie_data; 2258 2259 /* XXX ie length validate is painful, cheat */ 2260 setwparsnie(vap, data, appie->ie_len); 2261 setwparsnie(vap, data + 2 + data[1], 2262 appie->ie_len - (2 + data[1])); 2263 } 2264 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2265 vap->iv_opmode == IEEE80211_M_IBSS) { 2266 /* 2267 * Must rebuild beacon frame as the update 2268 * mechanism doesn't handle WPA/RSN ie's. 2269 * Could extend it but it doesn't normally 2270 * change; this is just to deal with hostapd 2271 * plumbing the ie after the interface is up. 2272 */ 2273 error = ENETRESET; 2274 } 2275 } 2276 break; 2277 default: 2278 error = EINVAL; 2279 break; 2280 } 2281 return error; 2282 } 2283 2284 static __noinline int 2285 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2286 const struct ieee80211req *ireq) 2287 { 2288 struct ieee80211com *ic = vap->iv_ic; 2289 int error; 2290 uint8_t fc0; 2291 2292 ic = vap->iv_ic; 2293 fc0 = ireq->i_val & 0xff; 2294 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2295 return EINVAL; 2296 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2297 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2298 return error; 2299 } 2300 2301 static __noinline int 2302 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2303 { 2304 struct ieee80211com *ic = vap->iv_ic; 2305 struct ieee80211_chanswitch_req csr; 2306 struct ieee80211_channel *c; 2307 int error; 2308 2309 if (ireq->i_len != sizeof(csr)) 2310 return EINVAL; 2311 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2312 if (error != 0) 2313 return error; 2314 /* XXX adhoc mode not supported */ 2315 if (vap->iv_opmode != IEEE80211_M_HOSTAP || 2316 (vap->iv_flags & IEEE80211_F_DOTH) == 0) 2317 return EOPNOTSUPP; 2318 c = ieee80211_find_channel(ic, 2319 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2320 if (c == NULL) 2321 return ENOENT; 2322 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2323 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2324 else if (csr.csa_count == 0) 2325 ieee80211_csa_cancelswitch(ic); 2326 else 2327 error = EBUSY; 2328 return error; 2329 } 2330 2331 static __noinline int 2332 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2333 { 2334 #define IEEE80211_IOC_SCAN_FLAGS \ 2335 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2336 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2337 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2338 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2339 IEEE80211_IOC_SCAN_CHECK) 2340 struct ieee80211com *ic = vap->iv_ic; 2341 struct ieee80211_scan_req sr; /* XXX off stack? */ 2342 int error, i; 2343 2344 /* NB: parent must be running */ 2345 if ((ic->ic_ifp->if_flags & IFF_RUNNING) == 0) 2346 return ENXIO; 2347 2348 if (ireq->i_len != sizeof(sr)) 2349 return EINVAL; 2350 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2351 if (error != 0) 2352 return error; 2353 /* convert duration */ 2354 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2355 sr.sr_duration = IEEE80211_SCAN_FOREVER; 2356 else { 2357 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2358 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2359 return EINVAL; 2360 sr.sr_duration = msecs_to_ticks(sr.sr_duration); 2361 if (sr.sr_duration < 1) 2362 sr.sr_duration = 1; 2363 } 2364 /* convert min/max channel dwell */ 2365 if (sr.sr_mindwell != 0) { 2366 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell); 2367 if (sr.sr_mindwell < 1) 2368 sr.sr_mindwell = 1; 2369 } 2370 if (sr.sr_maxdwell != 0) { 2371 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell); 2372 if (sr.sr_maxdwell < 1) 2373 sr.sr_maxdwell = 1; 2374 } 2375 /* NB: silently reduce ssid count to what is supported */ 2376 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID) 2377 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID; 2378 for (i = 0; i < sr.sr_nssid; i++) 2379 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN) 2380 return EINVAL; 2381 /* cleanse flags just in case, could reject if invalid flags */ 2382 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2383 /* 2384 * Add an implicit NOPICK if the vap is not marked UP. This 2385 * allows applications to scan without joining a bss (or picking 2386 * a channel and setting up a bss) and without forcing manual 2387 * roaming mode--you just need to mark the parent device UP. 2388 */ 2389 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2390 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2391 2392 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2393 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2394 __func__, sr.sr_flags, 2395 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2396 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid); 2397 /* 2398 * If we are in INIT state then the driver has never had a chance 2399 * to setup hardware state to do a scan; we must use the state 2400 * machine to get us up to the SCAN state but once we reach SCAN 2401 * state we then want to use the supplied params. Stash the 2402 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2403 * state machines will recognize this and use the stashed params 2404 * to issue the scan request. 2405 * 2406 * Otherwise just invoke the scan machinery directly. 2407 */ 2408 if (vap->iv_state == IEEE80211_S_INIT) { 2409 /* NB: clobbers previous settings */ 2410 vap->iv_scanreq_flags = sr.sr_flags; 2411 vap->iv_scanreq_duration = sr.sr_duration; 2412 vap->iv_scanreq_nssid = sr.sr_nssid; 2413 for (i = 0; i < sr.sr_nssid; i++) { 2414 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len; 2415 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid, 2416 sr.sr_ssid[i].len); 2417 } 2418 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2419 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2420 } else { 2421 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2422 /* XXX neeed error return codes */ 2423 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2424 (void) ieee80211_check_scan(vap, sr.sr_flags, 2425 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2426 sr.sr_nssid, 2427 /* NB: cheat, we assume structures are compatible */ 2428 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2429 } else { 2430 (void) ieee80211_start_scan(vap, sr.sr_flags, 2431 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2432 sr.sr_nssid, 2433 /* NB: cheat, we assume structures are compatible */ 2434 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2435 } 2436 } 2437 return error; 2438 #undef IEEE80211_IOC_SCAN_FLAGS 2439 } 2440 2441 static __noinline int 2442 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2443 { 2444 struct ieee80211_node *ni; 2445 struct ieee80211req_sta_vlan vlan; 2446 int error; 2447 2448 if (ireq->i_len != sizeof(vlan)) 2449 return EINVAL; 2450 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2451 if (error != 0) 2452 return error; 2453 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2454 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2455 vlan.sv_macaddr); 2456 if (ni == NULL) 2457 return ENOENT; 2458 } else 2459 ni = ieee80211_ref_node(vap->iv_bss); 2460 ni->ni_vlan = vlan.sv_vlan; 2461 ieee80211_free_node(ni); 2462 return error; 2463 } 2464 2465 static int 2466 isvap11g(const struct ieee80211vap *vap) 2467 { 2468 const struct ieee80211_node *bss = vap->iv_bss; 2469 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2470 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2471 } 2472 2473 static int 2474 isvapht(const struct ieee80211vap *vap) 2475 { 2476 const struct ieee80211_node *bss = vap->iv_bss; 2477 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2478 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2479 } 2480 2481 /* 2482 * Dummy ioctl set handler so the linker set is defined. 2483 */ 2484 static int 2485 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2486 { 2487 return ENOSYS; 2488 } 2489 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2490 2491 static int 2492 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2493 { 2494 ieee80211_ioctl_setfunc * const *set; 2495 int error; 2496 2497 SET_FOREACH(set, ieee80211_ioctl_setset) { 2498 error = (*set)(vap, ireq); 2499 if (error != ENOSYS) 2500 return error; 2501 } 2502 return EINVAL; 2503 } 2504 2505 static __noinline int 2506 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2507 { 2508 struct ieee80211com *ic = vap->iv_ic; 2509 int error; 2510 const struct ieee80211_authenticator *auth; 2511 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2512 char tmpssid[IEEE80211_NWID_LEN]; 2513 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2514 struct ieee80211_key *k; 2515 u_int kid; 2516 uint32_t flags; 2517 2518 error = 0; 2519 switch (ireq->i_type) { 2520 case IEEE80211_IOC_SSID: 2521 if (ireq->i_val != 0 || 2522 ireq->i_len > IEEE80211_NWID_LEN) 2523 return EINVAL; 2524 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2525 if (error) 2526 break; 2527 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2528 vap->iv_des_ssid[0].len = ireq->i_len; 2529 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2530 vap->iv_des_nssid = (ireq->i_len > 0); 2531 error = ENETRESET; 2532 break; 2533 case IEEE80211_IOC_WEP: 2534 switch (ireq->i_val) { 2535 case IEEE80211_WEP_OFF: 2536 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2537 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2538 break; 2539 case IEEE80211_WEP_ON: 2540 vap->iv_flags |= IEEE80211_F_PRIVACY; 2541 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2542 break; 2543 case IEEE80211_WEP_MIXED: 2544 vap->iv_flags |= IEEE80211_F_PRIVACY; 2545 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2546 break; 2547 } 2548 error = ENETRESET; 2549 break; 2550 case IEEE80211_IOC_WEPKEY: 2551 kid = (u_int) ireq->i_val; 2552 if (kid >= IEEE80211_WEP_NKID) 2553 return EINVAL; 2554 k = &vap->iv_nw_keys[kid]; 2555 if (ireq->i_len == 0) { 2556 /* zero-len =>'s delete any existing key */ 2557 (void) ieee80211_crypto_delkey(vap, k); 2558 break; 2559 } 2560 if (ireq->i_len > sizeof(tmpkey)) 2561 return EINVAL; 2562 memset(tmpkey, 0, sizeof(tmpkey)); 2563 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2564 if (error) 2565 break; 2566 ieee80211_key_update_begin(vap); 2567 k->wk_keyix = kid; /* NB: force fixed key id */ 2568 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2569 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2570 k->wk_keylen = ireq->i_len; 2571 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2572 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2573 if (!ieee80211_crypto_setkey(vap, k)) 2574 error = EINVAL; 2575 } else 2576 error = EINVAL; 2577 ieee80211_key_update_end(vap); 2578 break; 2579 case IEEE80211_IOC_WEPTXKEY: 2580 kid = (u_int) ireq->i_val; 2581 if (kid >= IEEE80211_WEP_NKID && 2582 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2583 return EINVAL; 2584 vap->iv_def_txkey = kid; 2585 break; 2586 case IEEE80211_IOC_AUTHMODE: 2587 switch (ireq->i_val) { 2588 case IEEE80211_AUTH_WPA: 2589 case IEEE80211_AUTH_8021X: /* 802.1x */ 2590 case IEEE80211_AUTH_OPEN: /* open */ 2591 case IEEE80211_AUTH_SHARED: /* shared-key */ 2592 case IEEE80211_AUTH_AUTO: /* auto */ 2593 auth = ieee80211_authenticator_get(ireq->i_val); 2594 if (auth == NULL) 2595 return EINVAL; 2596 break; 2597 default: 2598 return EINVAL; 2599 } 2600 switch (ireq->i_val) { 2601 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2602 vap->iv_flags |= IEEE80211_F_PRIVACY; 2603 ireq->i_val = IEEE80211_AUTH_8021X; 2604 break; 2605 case IEEE80211_AUTH_OPEN: /* open */ 2606 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2607 break; 2608 case IEEE80211_AUTH_SHARED: /* shared-key */ 2609 case IEEE80211_AUTH_8021X: /* 802.1x */ 2610 vap->iv_flags &= ~IEEE80211_F_WPA; 2611 /* both require a key so mark the PRIVACY capability */ 2612 vap->iv_flags |= IEEE80211_F_PRIVACY; 2613 break; 2614 case IEEE80211_AUTH_AUTO: /* auto */ 2615 vap->iv_flags &= ~IEEE80211_F_WPA; 2616 /* XXX PRIVACY handling? */ 2617 /* XXX what's the right way to do this? */ 2618 break; 2619 } 2620 /* NB: authenticator attach/detach happens on state change */ 2621 vap->iv_bss->ni_authmode = ireq->i_val; 2622 /* XXX mixed/mode/usage? */ 2623 vap->iv_auth = auth; 2624 error = ENETRESET; 2625 break; 2626 case IEEE80211_IOC_CHANNEL: 2627 error = ieee80211_ioctl_setchannel(vap, ireq); 2628 break; 2629 case IEEE80211_IOC_POWERSAVE: 2630 switch (ireq->i_val) { 2631 case IEEE80211_POWERSAVE_OFF: 2632 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2633 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2634 error = ERESTART; 2635 } 2636 break; 2637 case IEEE80211_POWERSAVE_ON: 2638 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2639 error = EOPNOTSUPP; 2640 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2641 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2642 error = ERESTART; 2643 } 2644 break; 2645 default: 2646 error = EINVAL; 2647 break; 2648 } 2649 break; 2650 case IEEE80211_IOC_POWERSAVESLEEP: 2651 if (ireq->i_val < 0) 2652 return EINVAL; 2653 ic->ic_lintval = ireq->i_val; 2654 error = ERESTART; 2655 break; 2656 case IEEE80211_IOC_RTSTHRESHOLD: 2657 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2658 ireq->i_val <= IEEE80211_RTS_MAX)) 2659 return EINVAL; 2660 vap->iv_rtsthreshold = ireq->i_val; 2661 error = ERESTART; 2662 break; 2663 case IEEE80211_IOC_PROTMODE: 2664 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2665 return EINVAL; 2666 ic->ic_protmode = ireq->i_val; 2667 /* NB: if not operating in 11g this can wait */ 2668 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2669 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2670 error = ERESTART; 2671 break; 2672 case IEEE80211_IOC_TXPOWER: 2673 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2674 return EOPNOTSUPP; 2675 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2676 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2677 return EINVAL; 2678 ic->ic_txpowlimit = ireq->i_val; 2679 error = ERESTART; 2680 break; 2681 case IEEE80211_IOC_ROAMING: 2682 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2683 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2684 return EINVAL; 2685 vap->iv_roaming = ireq->i_val; 2686 /* XXXX reset? */ 2687 break; 2688 case IEEE80211_IOC_PRIVACY: 2689 if (ireq->i_val) { 2690 /* XXX check for key state? */ 2691 vap->iv_flags |= IEEE80211_F_PRIVACY; 2692 } else 2693 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2694 /* XXX ERESTART? */ 2695 break; 2696 case IEEE80211_IOC_DROPUNENCRYPTED: 2697 if (ireq->i_val) 2698 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2699 else 2700 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2701 /* XXX ERESTART? */ 2702 break; 2703 case IEEE80211_IOC_WPAKEY: 2704 error = ieee80211_ioctl_setkey(vap, ireq); 2705 break; 2706 case IEEE80211_IOC_DELKEY: 2707 error = ieee80211_ioctl_delkey(vap, ireq); 2708 break; 2709 case IEEE80211_IOC_MLME: 2710 error = ieee80211_ioctl_setmlme(vap, ireq); 2711 break; 2712 case IEEE80211_IOC_COUNTERMEASURES: 2713 if (ireq->i_val) { 2714 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2715 return EOPNOTSUPP; 2716 vap->iv_flags |= IEEE80211_F_COUNTERM; 2717 } else 2718 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2719 /* XXX ERESTART? */ 2720 break; 2721 case IEEE80211_IOC_WPA: 2722 if (ireq->i_val > 3) 2723 return EINVAL; 2724 /* XXX verify ciphers available */ 2725 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2726 switch (ireq->i_val) { 2727 case 1: 2728 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2729 return EOPNOTSUPP; 2730 flags |= IEEE80211_F_WPA1; 2731 break; 2732 case 2: 2733 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2734 return EOPNOTSUPP; 2735 flags |= IEEE80211_F_WPA2; 2736 break; 2737 case 3: 2738 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2739 return EOPNOTSUPP; 2740 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2741 break; 2742 default: /* Can't set any -> error */ 2743 return EOPNOTSUPP; 2744 } 2745 vap->iv_flags = flags; 2746 error = ERESTART; /* NB: can change beacon frame */ 2747 break; 2748 case IEEE80211_IOC_WME: 2749 if (ireq->i_val) { 2750 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2751 return EOPNOTSUPP; 2752 ieee80211_syncflag(vap, IEEE80211_F_WME); 2753 } else 2754 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2755 error = ERESTART; /* NB: can change beacon frame */ 2756 break; 2757 case IEEE80211_IOC_HIDESSID: 2758 if (ireq->i_val) 2759 vap->iv_flags |= IEEE80211_F_HIDESSID; 2760 else 2761 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2762 error = ERESTART; /* XXX ENETRESET? */ 2763 break; 2764 case IEEE80211_IOC_APBRIDGE: 2765 if (ireq->i_val == 0) 2766 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2767 else 2768 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2769 break; 2770 case IEEE80211_IOC_BSSID: 2771 if (ireq->i_len != sizeof(tmpbssid)) 2772 return EINVAL; 2773 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2774 if (error) 2775 break; 2776 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2777 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2778 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2779 else 2780 vap->iv_flags |= IEEE80211_F_DESBSSID; 2781 error = ENETRESET; 2782 break; 2783 case IEEE80211_IOC_CHANLIST: 2784 error = ieee80211_ioctl_setchanlist(vap, ireq); 2785 break; 2786 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2787 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2788 case OLD_IEEE80211_IOC_SCAN_REQ: 2789 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2790 "%s: active scan request\n", __func__); 2791 /* 2792 * If we are in INIT state then the driver has never 2793 * had a chance to setup hardware state to do a scan; 2794 * use the state machine to get us up the SCAN state. 2795 * Otherwise just invoke the scan machinery to start 2796 * a one-time scan. 2797 */ 2798 if (vap->iv_state == IEEE80211_S_INIT) 2799 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2800 else 2801 (void) ieee80211_start_scan(vap, 2802 IEEE80211_SCAN_ACTIVE | 2803 IEEE80211_SCAN_NOPICK | 2804 IEEE80211_SCAN_ONCE, 2805 IEEE80211_SCAN_FOREVER, 0, 0, 2806 /* XXX use ioctl params */ 2807 vap->iv_des_nssid, vap->iv_des_ssid); 2808 break; 2809 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2810 case IEEE80211_IOC_SCAN_REQ: 2811 error = ieee80211_ioctl_scanreq(vap, ireq); 2812 break; 2813 case IEEE80211_IOC_SCAN_CANCEL: 2814 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2815 "%s: cancel scan\n", __func__); 2816 ieee80211_cancel_scan(vap); 2817 break; 2818 case IEEE80211_IOC_HTCONF: 2819 if (ireq->i_val & 1) 2820 ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); 2821 else 2822 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); 2823 if (ireq->i_val & 2) 2824 ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); 2825 else 2826 ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); 2827 error = ENETRESET; 2828 break; 2829 case IEEE80211_IOC_ADDMAC: 2830 case IEEE80211_IOC_DELMAC: 2831 error = ieee80211_ioctl_macmac(vap, ireq); 2832 break; 2833 case IEEE80211_IOC_MACCMD: 2834 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2835 break; 2836 case IEEE80211_IOC_STA_STATS: 2837 error = ieee80211_ioctl_setstastats(vap, ireq); 2838 break; 2839 case IEEE80211_IOC_STA_TXPOW: 2840 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2841 break; 2842 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2843 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2844 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2845 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2846 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2847 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2848 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2849 break; 2850 case IEEE80211_IOC_DTIM_PERIOD: 2851 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2852 vap->iv_opmode != IEEE80211_M_MBSS && 2853 vap->iv_opmode != IEEE80211_M_IBSS) 2854 return EINVAL; 2855 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2856 ireq->i_val <= IEEE80211_DTIM_MAX) { 2857 vap->iv_dtim_period = ireq->i_val; 2858 error = ENETRESET; /* requires restart */ 2859 } else 2860 error = EINVAL; 2861 break; 2862 case IEEE80211_IOC_BEACON_INTERVAL: 2863 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2864 vap->iv_opmode != IEEE80211_M_MBSS && 2865 vap->iv_opmode != IEEE80211_M_IBSS) 2866 return EINVAL; 2867 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2868 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2869 ic->ic_bintval = ireq->i_val; 2870 error = ENETRESET; /* requires restart */ 2871 } else 2872 error = EINVAL; 2873 break; 2874 case IEEE80211_IOC_PUREG: 2875 if (ireq->i_val) 2876 vap->iv_flags |= IEEE80211_F_PUREG; 2877 else 2878 vap->iv_flags &= ~IEEE80211_F_PUREG; 2879 /* NB: reset only if we're operating on an 11g channel */ 2880 if (isvap11g(vap)) 2881 error = ENETRESET; 2882 break; 2883 case IEEE80211_IOC_BGSCAN: 2884 if (ireq->i_val) { 2885 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 2886 return EOPNOTSUPP; 2887 vap->iv_flags |= IEEE80211_F_BGSCAN; 2888 } else 2889 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 2890 break; 2891 case IEEE80211_IOC_BGSCAN_IDLE: 2892 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 2893 vap->iv_bgscanidle = ireq->i_val*hz/1000; 2894 else 2895 error = EINVAL; 2896 break; 2897 case IEEE80211_IOC_BGSCAN_INTERVAL: 2898 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 2899 vap->iv_bgscanintvl = ireq->i_val*hz; 2900 else 2901 error = EINVAL; 2902 break; 2903 case IEEE80211_IOC_SCANVALID: 2904 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 2905 vap->iv_scanvalid = ireq->i_val*hz; 2906 else 2907 error = EINVAL; 2908 break; 2909 case IEEE80211_IOC_FRAGTHRESHOLD: 2910 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 2911 ireq->i_val != IEEE80211_FRAG_MAX) 2912 return EOPNOTSUPP; 2913 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2914 ireq->i_val <= IEEE80211_FRAG_MAX)) 2915 return EINVAL; 2916 vap->iv_fragthreshold = ireq->i_val; 2917 error = ERESTART; 2918 break; 2919 case IEEE80211_IOC_BURST: 2920 if (ireq->i_val) { 2921 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 2922 return EOPNOTSUPP; 2923 ieee80211_syncflag(vap, IEEE80211_F_BURST); 2924 } else 2925 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 2926 error = ERESTART; 2927 break; 2928 case IEEE80211_IOC_BMISSTHRESHOLD: 2929 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 2930 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 2931 return EINVAL; 2932 vap->iv_bmissthreshold = ireq->i_val; 2933 error = ERESTART; 2934 break; 2935 case IEEE80211_IOC_CURCHAN: 2936 error = ieee80211_ioctl_setcurchan(vap, ireq); 2937 break; 2938 case IEEE80211_IOC_SHORTGI: 2939 if (ireq->i_val) { 2940 #define IEEE80211_HTCAP_SHORTGI \ 2941 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 2942 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 2943 return EINVAL; 2944 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 2945 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; 2946 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 2947 vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; 2948 #undef IEEE80211_HTCAP_SHORTGI 2949 } else 2950 vap->iv_flags_ht &= 2951 ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); 2952 error = ERESTART; 2953 break; 2954 case IEEE80211_IOC_AMPDU: 2955 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 2956 return EINVAL; 2957 if (ireq->i_val & 1) 2958 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; 2959 else 2960 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; 2961 if (ireq->i_val & 2) 2962 vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; 2963 else 2964 vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; 2965 /* NB: reset only if we're operating on an 11n channel */ 2966 if (isvapht(vap)) 2967 error = ERESTART; 2968 break; 2969 case IEEE80211_IOC_AMPDU_LIMIT: 2970 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 2971 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 2972 return EINVAL; 2973 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2974 vap->iv_ampdu_rxmax = ireq->i_val; 2975 else 2976 vap->iv_ampdu_limit = ireq->i_val; 2977 error = ERESTART; 2978 break; 2979 case IEEE80211_IOC_AMPDU_DENSITY: 2980 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 2981 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 2982 return EINVAL; 2983 vap->iv_ampdu_density = ireq->i_val; 2984 error = ERESTART; 2985 break; 2986 case IEEE80211_IOC_AMSDU: 2987 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 2988 return EINVAL; 2989 if (ireq->i_val & 1) 2990 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; 2991 else 2992 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; 2993 if (ireq->i_val & 2) 2994 vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; 2995 else 2996 vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; 2997 /* NB: reset only if we're operating on an 11n channel */ 2998 if (isvapht(vap)) 2999 error = ERESTART; 3000 break; 3001 case IEEE80211_IOC_AMSDU_LIMIT: 3002 /* XXX validate */ 3003 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 3004 break; 3005 case IEEE80211_IOC_PUREN: 3006 if (ireq->i_val) { 3007 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3008 return EINVAL; 3009 vap->iv_flags_ht |= IEEE80211_FHT_PUREN; 3010 } else 3011 vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; 3012 /* NB: reset only if we're operating on an 11n channel */ 3013 if (isvapht(vap)) 3014 error = ERESTART; 3015 break; 3016 case IEEE80211_IOC_DOTH: 3017 if (ireq->i_val) { 3018 #if 0 3019 /* XXX no capability */ 3020 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3021 return EOPNOTSUPP; 3022 #endif 3023 vap->iv_flags |= IEEE80211_F_DOTH; 3024 } else 3025 vap->iv_flags &= ~IEEE80211_F_DOTH; 3026 error = ENETRESET; 3027 break; 3028 case IEEE80211_IOC_REGDOMAIN: 3029 error = ieee80211_ioctl_setregdomain(vap, ireq); 3030 break; 3031 case IEEE80211_IOC_ROAM: 3032 error = ieee80211_ioctl_setroam(vap, ireq); 3033 break; 3034 case IEEE80211_IOC_TXPARAMS: 3035 error = ieee80211_ioctl_settxparams(vap, ireq); 3036 break; 3037 case IEEE80211_IOC_HTCOMPAT: 3038 if (ireq->i_val) { 3039 if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) 3040 return EOPNOTSUPP; 3041 vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; 3042 } else 3043 vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; 3044 /* NB: reset only if we're operating on an 11n channel */ 3045 if (isvapht(vap)) 3046 error = ERESTART; 3047 break; 3048 case IEEE80211_IOC_DWDS: 3049 if (ireq->i_val) { 3050 /* NB: DWDS only makes sense for WDS-capable devices */ 3051 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3052 return EOPNOTSUPP; 3053 /* NB: DWDS is used only with ap+sta vaps */ 3054 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3055 vap->iv_opmode != IEEE80211_M_STA) 3056 return EINVAL; 3057 vap->iv_flags |= IEEE80211_F_DWDS; 3058 if (vap->iv_opmode == IEEE80211_M_STA) 3059 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3060 } else { 3061 vap->iv_flags &= ~IEEE80211_F_DWDS; 3062 if (vap->iv_opmode == IEEE80211_M_STA) 3063 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3064 } 3065 break; 3066 case IEEE80211_IOC_INACTIVITY: 3067 if (ireq->i_val) 3068 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3069 else 3070 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3071 break; 3072 case IEEE80211_IOC_APPIE: 3073 error = ieee80211_ioctl_setappie(vap, ireq); 3074 break; 3075 case IEEE80211_IOC_WPS: 3076 if (ireq->i_val) { 3077 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3078 return EOPNOTSUPP; 3079 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3080 } else 3081 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3082 break; 3083 case IEEE80211_IOC_TSN: 3084 if (ireq->i_val) { 3085 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3086 return EOPNOTSUPP; 3087 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3088 } else 3089 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3090 break; 3091 case IEEE80211_IOC_CHANSWITCH: 3092 error = ieee80211_ioctl_chanswitch(vap, ireq); 3093 break; 3094 case IEEE80211_IOC_DFS: 3095 if (ireq->i_val) { 3096 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3097 return EOPNOTSUPP; 3098 /* NB: DFS requires 11h support */ 3099 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3100 return EINVAL; 3101 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3102 } else 3103 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3104 break; 3105 case IEEE80211_IOC_DOTD: 3106 if (ireq->i_val) 3107 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3108 else 3109 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3110 if (vap->iv_opmode == IEEE80211_M_STA) 3111 error = ENETRESET; 3112 break; 3113 case IEEE80211_IOC_HTPROTMODE: 3114 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3115 return EINVAL; 3116 ic->ic_htprotmode = ireq->i_val ? 3117 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3118 /* NB: if not operating in 11n this can wait */ 3119 if (isvapht(vap)) 3120 error = ERESTART; 3121 break; 3122 case IEEE80211_IOC_STA_VLAN: 3123 error = ieee80211_ioctl_setstavlan(vap, ireq); 3124 break; 3125 case IEEE80211_IOC_SMPS: 3126 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3127 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3128 return EINVAL; 3129 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3130 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3131 return EOPNOTSUPP; 3132 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3133 ireq->i_val; 3134 /* NB: if not operating in 11n this can wait */ 3135 if (isvapht(vap)) 3136 error = ERESTART; 3137 break; 3138 case IEEE80211_IOC_RIFS: 3139 if (ireq->i_val != 0) { 3140 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3141 return EOPNOTSUPP; 3142 vap->iv_flags_ht |= IEEE80211_FHT_RIFS; 3143 } else 3144 vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; 3145 /* NB: if not operating in 11n this can wait */ 3146 if (isvapht(vap)) 3147 error = ERESTART; 3148 break; 3149 default: 3150 error = ieee80211_ioctl_setdefault(vap, ireq); 3151 break; 3152 } 3153 /* 3154 * The convention is that ENETRESET means an operation 3155 * requires a complete re-initialization of the device (e.g. 3156 * changing something that affects the association state). 3157 * ERESTART means the request may be handled with only a 3158 * reload of the hardware state. We hand ERESTART requests 3159 * to the iv_reset callback so the driver can decide. If 3160 * a device does not fillin iv_reset then it defaults to one 3161 * that returns ENETRESET. Otherwise a driver may return 3162 * ENETRESET (in which case a full reset will be done) or 3163 * 0 to mean there's no need to do anything (e.g. when the 3164 * change has no effect on the driver/device). 3165 */ 3166 if (error == ERESTART) 3167 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3168 vap->iv_reset(vap, ireq->i_type) : 0; 3169 if (error == ENETRESET) { 3170 /* XXX need to re-think AUTO handling */ 3171 if (IS_UP_AUTO(vap)) 3172 ieee80211_init(vap); 3173 error = 0; 3174 } 3175 return error; 3176 } 3177 3178 /* 3179 * Rebuild the parent's multicast address list after an add/del 3180 * of a multicast address for a vap. We have no way to tell 3181 * what happened above to optimize the work so we purge the entire 3182 * list and rebuild from scratch. This is way expensive. 3183 * Note also the half-baked workaround for if_addmulti calling 3184 * back to the parent device; there's no way to insert mcast 3185 * entries quietly and/or cheaply. 3186 */ 3187 static void 3188 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3189 { 3190 struct ifnet *parent = ic->ic_ifp; 3191 struct ieee80211vap *vap; 3192 void *ioctl; 3193 3194 if_delallmulti(parent); 3195 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3196 parent->if_ioctl = NULL; 3197 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3198 struct ifnet *ifp = vap->iv_ifp; 3199 struct ifmultiaddr *ifma; 3200 3201 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { 3202 if (ifma->ifma_addr->sa_family != AF_LINK) 3203 continue; 3204 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3205 } 3206 } 3207 parent->if_ioctl = ioctl; 3208 ieee80211_runtask(ic, &ic->ic_mcast_task); 3209 } 3210 3211 int 3212 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred) 3213 { 3214 struct ieee80211vap *vap = ifp->if_softc; 3215 struct ieee80211com *ic = vap->iv_ic; 3216 int error = 0; 3217 struct ifreq *ifr; 3218 struct ifaddr *ifa; /* XXX */ 3219 3220 switch (cmd) { 3221 case SIOCSIFFLAGS: 3222 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3223 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3224 if (ifp->if_flags & IFF_UP) { 3225 /* 3226 * Bring ourself up unless we're already operational. 3227 * If we're the first vap and the parent is not up 3228 * then it will automatically be brought up as a 3229 * side-effect of bringing ourself up. 3230 */ 3231 if (vap->iv_state == IEEE80211_S_INIT) 3232 ieee80211_start_locked(vap); 3233 } else if (ifp->if_flags & IFF_RUNNING) { 3234 /* 3235 * Stop ourself. If we are the last vap to be 3236 * marked down the parent will also be taken down. 3237 */ 3238 ieee80211_stop_locked(vap); 3239 } 3240 /* Wait for parent ioctl handler if it was queued */ 3241 ieee80211_waitfor_parent(ic); 3242 break; 3243 case SIOCADDMULTI: 3244 case SIOCDELMULTI: 3245 ieee80211_ioctl_updatemulti(ic); 3246 break; 3247 case SIOCSIFMEDIA: 3248 case SIOCGIFMEDIA: 3249 ifr = (struct ifreq *)data; 3250 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3251 break; 3252 case SIOCG80211: 3253 error = ieee80211_ioctl_get80211(vap, cmd, 3254 (struct ieee80211req *) data); 3255 break; 3256 case SIOCS80211: 3257 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3258 if (error == 0) 3259 error = ieee80211_ioctl_set80211(vap, cmd, 3260 (struct ieee80211req *) data); 3261 break; 3262 case SIOCG80211STATS: 3263 ifr = (struct ifreq *)data; 3264 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3265 break; 3266 case SIOCSIFMTU: 3267 ifr = (struct ifreq *)data; 3268 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3269 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3270 error = EINVAL; 3271 else 3272 ifp->if_mtu = ifr->ifr_mtu; 3273 break; 3274 case SIOCSIFADDR: 3275 /* 3276 * XXX Handle this directly so we can supress if_init calls. 3277 * XXX This should be done in ether_ioctl but for the moment 3278 * XXX there are too many other parts of the system that 3279 * XXX set IFF_UP and so supress if_init being called when 3280 * XXX it should be. 3281 */ 3282 ifa = (struct ifaddr *) data; 3283 switch (ifa->ifa_addr->sa_family) { 3284 #ifdef INET 3285 case AF_INET: 3286 if ((ifp->if_flags & IFF_UP) == 0) { 3287 ifp->if_flags |= IFF_UP; 3288 ifp->if_init(ifp->if_softc); 3289 } 3290 arp_ifinit(ifp, ifa); 3291 break; 3292 #endif 3293 #ifdef IPX 3294 /* 3295 * XXX - This code is probably wrong, 3296 * but has been copied many times. 3297 */ 3298 case AF_IPX: { 3299 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3300 3301 if (ipx_nullhost(*ina)) 3302 ina->x_host = *(union ipx_host *) 3303 IF_LLADDR(ifp); 3304 else 3305 bcopy((caddr_t) ina->x_host.c_host, 3306 (caddr_t) IF_LLADDR(ifp), 3307 ETHER_ADDR_LEN); 3308 /* fall thru... */ 3309 } 3310 #endif 3311 default: 3312 if ((ifp->if_flags & IFF_UP) == 0) { 3313 ifp->if_flags |= IFF_UP; 3314 ifp->if_init(ifp->if_softc); 3315 } 3316 break; 3317 } 3318 break; 3319 /* Pass NDIS ioctls up to the driver */ 3320 case SIOCGDRVSPEC: 3321 case SIOCSDRVSPEC: 3322 case SIOCGPRIVATE_0: { 3323 struct ifnet *parent = vap->iv_ic->ic_ifp; 3324 error = parent->if_ioctl(parent, cmd, data, ucred); 3325 break; 3326 } 3327 default: 3328 error = ether_ioctl(ifp, cmd, data); 3329 break; 3330 } 3331 return error; 3332 } 3333