1 /*- 2 * Copyright (c) 2001 Atsushi Onoe 3 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 /* 31 * IEEE 802.11 ioctl support (FreeBSD-specific) 32 */ 33 34 #include "opt_inet.h" 35 #include "opt_ipx.h" 36 #include "opt_wlan.h" 37 38 #include <sys/endian.h> 39 #include <sys/param.h> 40 #include <sys/kernel.h> 41 #include <sys/priv.h> 42 #include <sys/socket.h> 43 #include <sys/sockio.h> 44 #include <sys/systm.h> 45 46 #include <net/if.h> 47 #include <net/if_dl.h> 48 #include <net/if_media.h> 49 #include <net/ethernet.h> 50 51 #ifdef INET 52 #include <netinet/in.h> 53 #include <netinet/if_ether.h> 54 #endif 55 56 #ifdef IPX 57 #include <netipx/ipx.h> 58 #include <netipx/ipx_if.h> 59 #endif 60 61 #include <net80211/ieee80211_var.h> 62 #include <net80211/ieee80211_ioctl.h> 63 #include <net80211/ieee80211_regdomain.h> 64 #include <net80211/ieee80211_input.h> 65 66 #define IS_UP_AUTO(_vap) \ 67 (IFNET_IS_UP_RUNNING(vap->iv_ifp) && \ 68 (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) 69 70 static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; 71 static struct ieee80211_channel *findchannel(struct ieee80211com *, 72 int ieee, int mode); 73 74 static __noinline int 75 ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 76 { 77 struct ieee80211com *ic = vap->iv_ic; 78 struct ieee80211_node *ni; 79 struct ieee80211req_key ik; 80 struct ieee80211_key *wk; 81 const struct ieee80211_cipher *cip; 82 u_int kid; 83 int error; 84 85 if (ireq->i_len != sizeof(ik)) 86 return EINVAL; 87 error = copyin(ireq->i_data, &ik, sizeof(ik)); 88 if (error) 89 return error; 90 kid = ik.ik_keyix; 91 if (kid == IEEE80211_KEYIX_NONE) { 92 ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); 93 if (ni == NULL) 94 return ENOENT; 95 wk = &ni->ni_ucastkey; 96 } else { 97 if (kid >= IEEE80211_WEP_NKID) 98 return EINVAL; 99 wk = &vap->iv_nw_keys[kid]; 100 IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); 101 ni = NULL; 102 } 103 cip = wk->wk_cipher; 104 ik.ik_type = cip->ic_cipher; 105 ik.ik_keylen = wk->wk_keylen; 106 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 107 if (wk->wk_keyix == vap->iv_def_txkey) 108 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 109 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 110 /* NB: only root can read key data */ 111 ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; 112 ik.ik_keytsc = wk->wk_keytsc; 113 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 114 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 115 memcpy(ik.ik_keydata+wk->wk_keylen, 116 wk->wk_key + IEEE80211_KEYBUF_SIZE, 117 IEEE80211_MICBUF_SIZE); 118 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 119 } 120 } else { 121 ik.ik_keyrsc = 0; 122 ik.ik_keytsc = 0; 123 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 124 } 125 if (ni != NULL) 126 ieee80211_free_node(ni); 127 return copyout(&ik, ireq->i_data, sizeof(ik)); 128 } 129 130 static __noinline int 131 ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 132 { 133 struct ieee80211com *ic = vap->iv_ic; 134 135 if (sizeof(ic->ic_chan_active) < ireq->i_len) 136 ireq->i_len = sizeof(ic->ic_chan_active); 137 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 138 } 139 140 static __noinline int 141 ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 142 { 143 struct ieee80211com *ic = vap->iv_ic; 144 int space; 145 146 space = __offsetof(struct ieee80211req_chaninfo, 147 ic_chans[ic->ic_nchans]); 148 if (space > ireq->i_len) 149 space = ireq->i_len; 150 /* XXX assumes compatible layout */ 151 return copyout(&ic->ic_nchans, ireq->i_data, space); 152 } 153 154 static __noinline int 155 ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, 156 struct ieee80211req *ireq, int req) 157 { 158 struct ieee80211_node *ni; 159 struct ieee80211req_wpaie2 wpaie; 160 int error; 161 162 if (ireq->i_len < IEEE80211_ADDR_LEN) 163 return EINVAL; 164 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 165 if (error != 0) 166 return error; 167 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); 168 if (ni == NULL) 169 return ENOENT; 170 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 171 if (ni->ni_ies.wpa_ie != NULL) { 172 int ielen = ni->ni_ies.wpa_ie[1] + 2; 173 if (ielen > sizeof(wpaie.wpa_ie)) 174 ielen = sizeof(wpaie.wpa_ie); 175 memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); 176 } 177 if (req == IEEE80211_IOC_WPAIE2) { 178 memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); 179 if (ni->ni_ies.rsn_ie != NULL) { 180 int ielen = ni->ni_ies.rsn_ie[1] + 2; 181 if (ielen > sizeof(wpaie.rsn_ie)) 182 ielen = sizeof(wpaie.rsn_ie); 183 memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); 184 } 185 if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) 186 ireq->i_len = sizeof(struct ieee80211req_wpaie2); 187 } else { 188 /* compatibility op, may overwrite wpa ie */ 189 /* XXX check ic_flags? */ 190 if (ni->ni_ies.rsn_ie != NULL) { 191 int ielen = ni->ni_ies.rsn_ie[1] + 2; 192 if (ielen > sizeof(wpaie.wpa_ie)) 193 ielen = sizeof(wpaie.wpa_ie); 194 memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); 195 } 196 if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) 197 ireq->i_len = sizeof(struct ieee80211req_wpaie); 198 } 199 ieee80211_free_node(ni); 200 return copyout(&wpaie, ireq->i_data, ireq->i_len); 201 } 202 203 static __noinline int 204 ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 205 { 206 struct ieee80211_node *ni; 207 uint8_t macaddr[IEEE80211_ADDR_LEN]; 208 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 209 int error; 210 211 if (ireq->i_len < off) 212 return EINVAL; 213 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 214 if (error != 0) 215 return error; 216 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 217 if (ni == NULL) 218 return ENOENT; 219 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 220 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 221 /* NB: copy out only the statistics */ 222 error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, 223 ireq->i_len - off); 224 ieee80211_free_node(ni); 225 return error; 226 } 227 228 struct scanreq { 229 struct ieee80211req_scan_result *sr; 230 size_t space; 231 }; 232 233 static size_t 234 scan_space(const struct ieee80211_scan_entry *se, int *ielen) 235 { 236 size_t len; 237 238 *ielen = se->se_ies.len; 239 /* 240 * NB: ie's can be no more than 255 bytes and the max 802.11 241 * packet is <3Kbytes so we are sure this doesn't overflow 242 * 16-bits; if this is a concern we can drop the ie's. 243 */ 244 len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + *ielen; 245 return roundup(len, sizeof(uint32_t)); 246 } 247 248 static void 249 get_scan_space(void *arg, const struct ieee80211_scan_entry *se) 250 { 251 struct scanreq *req = arg; 252 int ielen; 253 254 req->space += scan_space(se, &ielen); 255 } 256 257 static __noinline void 258 get_scan_result(void *arg, const struct ieee80211_scan_entry *se) 259 { 260 struct scanreq *req = arg; 261 struct ieee80211req_scan_result *sr; 262 int ielen, len, nr, nxr; 263 uint8_t *cp; 264 265 len = scan_space(se, &ielen); 266 if (len > req->space) 267 return; 268 269 sr = req->sr; 270 KASSERT(len <= 65535 && ielen <= 65535, 271 ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); 272 sr->isr_len = len; 273 sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); 274 sr->isr_ie_len = ielen; 275 sr->isr_freq = se->se_chan->ic_freq; 276 sr->isr_flags = se->se_chan->ic_flags; 277 sr->isr_rssi = se->se_rssi; 278 sr->isr_noise = se->se_noise; 279 sr->isr_intval = se->se_intval; 280 sr->isr_capinfo = se->se_capinfo; 281 sr->isr_erp = se->se_erp; 282 IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); 283 nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); 284 memcpy(sr->isr_rates, se->se_rates+2, nr); 285 nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); 286 memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); 287 sr->isr_nrates = nr + nxr; 288 289 sr->isr_ssid_len = se->se_ssid[1]; 290 cp = ((uint8_t *)sr) + sr->isr_ie_off; 291 memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); 292 293 if (ielen) { 294 cp += sr->isr_ssid_len; 295 memcpy(cp, se->se_ies.data, ielen); 296 } 297 298 req->space -= len; 299 req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); 300 } 301 302 static __noinline int 303 ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, 304 struct ieee80211req *ireq) 305 { 306 struct scanreq req; 307 int error; 308 309 if (ireq->i_len < sizeof(struct scanreq)) 310 return EFAULT; 311 312 error = 0; 313 req.space = 0; 314 ieee80211_scan_iterate(vap, get_scan_space, &req); 315 if (req.space > ireq->i_len) 316 req.space = ireq->i_len; 317 if (req.space > 0) { 318 size_t space; 319 void *p; 320 321 space = req.space; 322 /* XXX M_WAITOK after driver lock released */ 323 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 324 if (p == NULL) 325 return ENOMEM; 326 req.sr = p; 327 ieee80211_scan_iterate(vap, get_scan_result, &req); 328 ireq->i_len = space - req.space; 329 error = copyout(p, ireq->i_data, ireq->i_len); 330 free(p, M_TEMP); 331 } else 332 ireq->i_len = 0; 333 334 return error; 335 } 336 337 struct stainforeq { 338 struct ieee80211vap *vap; 339 struct ieee80211req_sta_info *si; 340 size_t space; 341 }; 342 343 static size_t 344 sta_space(const struct ieee80211_node *ni, size_t *ielen) 345 { 346 *ielen = ni->ni_ies.len; 347 return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, 348 sizeof(uint32_t)); 349 } 350 351 static void 352 get_sta_space(void *arg, struct ieee80211_node *ni) 353 { 354 struct stainforeq *req = arg; 355 size_t ielen; 356 357 if (req->vap != ni->ni_vap) 358 return; 359 if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && 360 ni->ni_associd == 0) /* only associated stations */ 361 return; 362 req->space += sta_space(ni, &ielen); 363 } 364 365 static __noinline void 366 get_sta_info(void *arg, struct ieee80211_node *ni) 367 { 368 struct stainforeq *req = arg; 369 struct ieee80211vap *vap = ni->ni_vap; 370 struct ieee80211req_sta_info *si; 371 size_t ielen, len; 372 uint8_t *cp; 373 374 if (req->vap != ni->ni_vap) 375 return; 376 if (vap->iv_opmode == IEEE80211_M_HOSTAP && 377 ni->ni_associd == 0) /* only associated stations */ 378 return; 379 if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ 380 return; 381 len = sta_space(ni, &ielen); 382 if (len > req->space) 383 return; 384 si = req->si; 385 si->isi_len = len; 386 si->isi_ie_off = sizeof(struct ieee80211req_sta_info); 387 si->isi_ie_len = ielen; 388 si->isi_freq = ni->ni_chan->ic_freq; 389 si->isi_flags = ni->ni_chan->ic_flags; 390 si->isi_state = ni->ni_flags; 391 si->isi_authmode = ni->ni_authmode; 392 vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); 393 vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); 394 si->isi_capinfo = ni->ni_capinfo; 395 si->isi_erp = ni->ni_erp; 396 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 397 si->isi_nrates = ni->ni_rates.rs_nrates; 398 if (si->isi_nrates > 15) 399 si->isi_nrates = 15; 400 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 401 si->isi_txrate = ni->ni_txrate; 402 if (si->isi_txrate & IEEE80211_RATE_MCS) { 403 const struct ieee80211_mcs_rates *mcs = 404 &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; 405 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { 406 if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40) 407 si->isi_txmbps = mcs->ht40_rate_800ns; 408 else 409 si->isi_txmbps = mcs->ht40_rate_400ns; 410 } else { 411 if (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20) 412 si->isi_txmbps = mcs->ht20_rate_800ns; 413 else 414 si->isi_txmbps = mcs->ht20_rate_400ns; 415 } 416 } else 417 si->isi_txmbps = si->isi_txrate; 418 si->isi_associd = ni->ni_associd; 419 si->isi_txpower = ni->ni_txpower; 420 si->isi_vlan = ni->ni_vlan; 421 if (ni->ni_flags & IEEE80211_NODE_QOS) { 422 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 423 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 424 } else { 425 si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; 426 si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; 427 } 428 /* NB: leave all cases in case we relax ni_associd == 0 check */ 429 if (ieee80211_node_is_authorized(ni)) 430 si->isi_inact = vap->iv_inact_run; 431 else if (ni->ni_associd != 0 || 432 (vap->iv_opmode == IEEE80211_M_WDS && 433 (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) 434 si->isi_inact = vap->iv_inact_auth; 435 else 436 si->isi_inact = vap->iv_inact_init; 437 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 438 439 if (ielen) { 440 cp = ((uint8_t *)si) + si->isi_ie_off; 441 memcpy(cp, ni->ni_ies.data, ielen); 442 } 443 444 req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); 445 req->space -= len; 446 } 447 448 static __noinline int 449 getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, 450 struct ieee80211_node *ni, int off) 451 { 452 struct ieee80211com *ic = vap->iv_ic; 453 struct stainforeq req; 454 size_t space; 455 void *p; 456 int error; 457 458 error = 0; 459 req.space = 0; 460 req.vap = vap; 461 if (ni == NULL) 462 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); 463 else 464 get_sta_space(&req, ni); 465 if (req.space > ireq->i_len) 466 req.space = ireq->i_len; 467 if (req.space > 0) { 468 space = req.space; 469 /* XXX M_WAITOK after driver lock released */ 470 p = malloc(space, M_TEMP, M_NOWAIT | M_ZERO); 471 if (p == NULL) { 472 error = ENOMEM; 473 goto bad; 474 } 475 req.si = p; 476 if (ni == NULL) 477 ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); 478 else 479 get_sta_info(&req, ni); 480 ireq->i_len = space - req.space; 481 error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); 482 free(p, M_TEMP); 483 } else 484 ireq->i_len = 0; 485 bad: 486 if (ni != NULL) 487 ieee80211_free_node(ni); 488 return error; 489 } 490 491 static __noinline int 492 ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) 493 { 494 uint8_t macaddr[IEEE80211_ADDR_LEN]; 495 const int off = __offsetof(struct ieee80211req_sta_req, info); 496 struct ieee80211_node *ni; 497 int error; 498 499 if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) 500 return EFAULT; 501 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 502 if (error != 0) 503 return error; 504 if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { 505 ni = NULL; 506 } else { 507 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 508 if (ni == NULL) 509 return ENOENT; 510 } 511 return getstainfo_common(vap, ireq, ni, off); 512 } 513 514 static __noinline int 515 ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 516 { 517 struct ieee80211_node *ni; 518 struct ieee80211req_sta_txpow txpow; 519 int error; 520 521 if (ireq->i_len != sizeof(txpow)) 522 return EINVAL; 523 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 524 if (error != 0) 525 return error; 526 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 527 if (ni == NULL) 528 return ENOENT; 529 txpow.it_txpow = ni->ni_txpower; 530 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 531 ieee80211_free_node(ni); 532 return error; 533 } 534 535 static __noinline int 536 ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 537 { 538 struct ieee80211com *ic = vap->iv_ic; 539 struct ieee80211_wme_state *wme = &ic->ic_wme; 540 struct wmeParams *wmep; 541 int ac; 542 543 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 544 return EINVAL; 545 546 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 547 if (ac >= WME_NUM_AC) 548 ac = WME_AC_BE; 549 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 550 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 551 else 552 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 553 switch (ireq->i_type) { 554 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 555 ireq->i_val = wmep->wmep_logcwmin; 556 break; 557 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 558 ireq->i_val = wmep->wmep_logcwmax; 559 break; 560 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 561 ireq->i_val = wmep->wmep_aifsn; 562 break; 563 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 564 ireq->i_val = wmep->wmep_txopLimit; 565 break; 566 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 567 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 568 ireq->i_val = wmep->wmep_acm; 569 break; 570 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 571 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 572 ireq->i_val = !wmep->wmep_noackPolicy; 573 break; 574 } 575 return 0; 576 } 577 578 static __noinline int 579 ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 580 { 581 const struct ieee80211_aclator *acl = vap->iv_acl; 582 583 return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); 584 } 585 586 static __noinline int 587 ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) 588 { 589 struct ieee80211com *ic = vap->iv_ic; 590 struct ieee80211_channel *c; 591 592 if (ireq->i_len != sizeof(struct ieee80211_channel)) 593 return EINVAL; 594 /* 595 * vap's may have different operating channels when HT is 596 * in use. When in RUN state report the vap-specific channel. 597 * Otherwise return curchan. 598 */ 599 if (vap->iv_state == IEEE80211_S_RUN) 600 c = vap->iv_bss->ni_chan; 601 else 602 c = ic->ic_curchan; 603 return copyout(c, ireq->i_data, sizeof(*c)); 604 } 605 606 static int 607 getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) 608 { 609 if (aie == NULL) 610 return EINVAL; 611 /* NB: truncate, caller can check length */ 612 if (ireq->i_len > aie->ie_len) 613 ireq->i_len = aie->ie_len; 614 return copyout(aie->ie_data, ireq->i_data, ireq->i_len); 615 } 616 617 static int 618 ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) 619 { 620 uint8_t fc0; 621 622 fc0 = ireq->i_val & 0xff; 623 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 624 return EINVAL; 625 /* NB: could check iv_opmode and reject but hardly worth the effort */ 626 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 627 case IEEE80211_FC0_SUBTYPE_BEACON: 628 return getappie(vap->iv_appie_beacon, ireq); 629 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 630 return getappie(vap->iv_appie_proberesp, ireq); 631 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 632 return getappie(vap->iv_appie_assocresp, ireq); 633 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 634 return getappie(vap->iv_appie_probereq, ireq); 635 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 636 return getappie(vap->iv_appie_assocreq, ireq); 637 case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: 638 return getappie(vap->iv_appie_wpa, ireq); 639 } 640 return EINVAL; 641 } 642 643 static __noinline int 644 ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, 645 const struct ieee80211req *ireq) 646 { 647 struct ieee80211com *ic = vap->iv_ic; 648 649 if (ireq->i_len != sizeof(ic->ic_regdomain)) 650 return EINVAL; 651 return copyout(&ic->ic_regdomain, ireq->i_data, 652 sizeof(ic->ic_regdomain)); 653 } 654 655 static __noinline int 656 ieee80211_ioctl_getroam(struct ieee80211vap *vap, 657 const struct ieee80211req *ireq) 658 { 659 size_t len = ireq->i_len; 660 /* NB: accept short requests for backwards compat */ 661 if (len > sizeof(vap->iv_roamparms)) 662 len = sizeof(vap->iv_roamparms); 663 return copyout(vap->iv_roamparms, ireq->i_data, len); 664 } 665 666 static __noinline int 667 ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, 668 const struct ieee80211req *ireq) 669 { 670 size_t len = ireq->i_len; 671 /* NB: accept short requests for backwards compat */ 672 if (len > sizeof(vap->iv_txparms)) 673 len = sizeof(vap->iv_txparms); 674 return copyout(vap->iv_txparms, ireq->i_data, len); 675 } 676 677 static __noinline int 678 ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, 679 const struct ieee80211req *ireq) 680 { 681 struct ieee80211_devcaps_req *dc; 682 struct ieee80211req_chaninfo *ci; 683 int maxchans, error; 684 685 maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / 686 sizeof(struct ieee80211_channel)); 687 /* NB: require 1 so we know ic_nchans is accessible */ 688 if (maxchans < 1) 689 return EINVAL; 690 /* constrain max request size, 2K channels is ~24Kbytes */ 691 if (maxchans > 2048) 692 maxchans = 2048; 693 dc = (struct ieee80211_devcaps_req *) 694 malloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, M_NOWAIT | M_ZERO); 695 if (dc == NULL) 696 return ENOMEM; 697 dc->dc_drivercaps = ic->ic_caps; 698 dc->dc_cryptocaps = ic->ic_cryptocaps; 699 dc->dc_htcaps = ic->ic_htcaps; 700 ci = &dc->dc_chaninfo; 701 ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); 702 KASSERT(ci->ic_nchans <= maxchans, 703 ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); 704 ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); 705 error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); 706 free(dc, M_TEMP); 707 return error; 708 } 709 710 static __noinline int 711 ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 712 { 713 struct ieee80211_node *ni; 714 struct ieee80211req_sta_vlan vlan; 715 int error; 716 717 if (ireq->i_len != sizeof(vlan)) 718 return EINVAL; 719 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 720 if (error != 0) 721 return error; 722 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 723 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 724 vlan.sv_macaddr); 725 if (ni == NULL) 726 return ENOENT; 727 } else 728 ni = ieee80211_ref_node(vap->iv_bss); 729 vlan.sv_vlan = ni->ni_vlan; 730 error = copyout(&vlan, ireq->i_data, sizeof(vlan)); 731 ieee80211_free_node(ni); 732 return error; 733 } 734 735 /* 736 * Dummy ioctl get handler so the linker set is defined. 737 */ 738 static int 739 dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) 740 { 741 return ENOSYS; 742 } 743 IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); 744 745 static int 746 ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 747 { 748 ieee80211_ioctl_getfunc * const *get; 749 int error; 750 751 SET_FOREACH(get, ieee80211_ioctl_getset) { 752 error = (*get)(vap, ireq); 753 if (error != ENOSYS) 754 return error; 755 } 756 return EINVAL; 757 } 758 759 /* 760 * When building the kernel with -O2 on the i386 architecture, gcc 761 * seems to want to inline this function into ieee80211_ioctl() 762 * (which is the only routine that calls it). When this happens, 763 * ieee80211_ioctl() ends up consuming an additional 2K of stack 764 * space. (Exactly why it needs so much is unclear.) The problem 765 * is that it's possible for ieee80211_ioctl() to invoke other 766 * routines (including driver init functions) which could then find 767 * themselves perilously close to exhausting the stack. 768 * 769 * To avoid this, we deliberately prevent gcc from inlining this 770 * routine. Another way to avoid this is to use less agressive 771 * optimization when compiling this file (i.e. -O instead of -O2) 772 * but special-casing the compilation of this one module in the 773 * build system would be awkward. 774 */ 775 static __noinline int 776 ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, 777 struct ieee80211req *ireq) 778 { 779 #define MS(_v, _f) (((_v) & _f) >> _f##_S) 780 struct ieee80211com *ic = vap->iv_ic; 781 u_int kid, len; 782 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 783 char tmpssid[IEEE80211_NWID_LEN]; 784 int error = 0; 785 786 switch (ireq->i_type) { 787 case IEEE80211_IOC_SSID: 788 switch (vap->iv_state) { 789 case IEEE80211_S_INIT: 790 case IEEE80211_S_SCAN: 791 ireq->i_len = vap->iv_des_ssid[0].len; 792 memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); 793 break; 794 default: 795 ireq->i_len = vap->iv_bss->ni_esslen; 796 memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); 797 break; 798 } 799 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 800 break; 801 case IEEE80211_IOC_NUMSSIDS: 802 ireq->i_val = 1; 803 break; 804 case IEEE80211_IOC_WEP: 805 if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) 806 ireq->i_val = IEEE80211_WEP_OFF; 807 else if (vap->iv_flags & IEEE80211_F_DROPUNENC) 808 ireq->i_val = IEEE80211_WEP_ON; 809 else 810 ireq->i_val = IEEE80211_WEP_MIXED; 811 break; 812 case IEEE80211_IOC_WEPKEY: 813 kid = (u_int) ireq->i_val; 814 if (kid >= IEEE80211_WEP_NKID) 815 return EINVAL; 816 len = (u_int) vap->iv_nw_keys[kid].wk_keylen; 817 /* NB: only root can read WEP keys */ 818 if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { 819 bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); 820 } else { 821 bzero(tmpkey, len); 822 } 823 ireq->i_len = len; 824 error = copyout(tmpkey, ireq->i_data, len); 825 break; 826 case IEEE80211_IOC_NUMWEPKEYS: 827 ireq->i_val = IEEE80211_WEP_NKID; 828 break; 829 case IEEE80211_IOC_WEPTXKEY: 830 ireq->i_val = vap->iv_def_txkey; 831 break; 832 case IEEE80211_IOC_AUTHMODE: 833 if (vap->iv_flags & IEEE80211_F_WPA) 834 ireq->i_val = IEEE80211_AUTH_WPA; 835 else 836 ireq->i_val = vap->iv_bss->ni_authmode; 837 break; 838 case IEEE80211_IOC_CHANNEL: 839 ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); 840 break; 841 case IEEE80211_IOC_POWERSAVE: 842 if (vap->iv_flags & IEEE80211_F_PMGTON) 843 ireq->i_val = IEEE80211_POWERSAVE_ON; 844 else 845 ireq->i_val = IEEE80211_POWERSAVE_OFF; 846 break; 847 case IEEE80211_IOC_POWERSAVESLEEP: 848 ireq->i_val = ic->ic_lintval; 849 break; 850 case IEEE80211_IOC_RTSTHRESHOLD: 851 ireq->i_val = vap->iv_rtsthreshold; 852 break; 853 case IEEE80211_IOC_PROTMODE: 854 ireq->i_val = ic->ic_protmode; 855 break; 856 case IEEE80211_IOC_TXPOWER: 857 /* 858 * Tx power limit is the min of max regulatory 859 * power, any user-set limit, and the max the 860 * radio can do. 861 */ 862 ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; 863 if (ireq->i_val > ic->ic_txpowlimit) 864 ireq->i_val = ic->ic_txpowlimit; 865 if (ireq->i_val > ic->ic_curchan->ic_maxpower) 866 ireq->i_val = ic->ic_curchan->ic_maxpower; 867 break; 868 case IEEE80211_IOC_WPA: 869 switch (vap->iv_flags & IEEE80211_F_WPA) { 870 case IEEE80211_F_WPA1: 871 ireq->i_val = 1; 872 break; 873 case IEEE80211_F_WPA2: 874 ireq->i_val = 2; 875 break; 876 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 877 ireq->i_val = 3; 878 break; 879 default: 880 ireq->i_val = 0; 881 break; 882 } 883 break; 884 case IEEE80211_IOC_CHANLIST: 885 error = ieee80211_ioctl_getchanlist(vap, ireq); 886 break; 887 case IEEE80211_IOC_ROAMING: 888 ireq->i_val = vap->iv_roaming; 889 break; 890 case IEEE80211_IOC_PRIVACY: 891 ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; 892 break; 893 case IEEE80211_IOC_DROPUNENCRYPTED: 894 ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; 895 break; 896 case IEEE80211_IOC_COUNTERMEASURES: 897 ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; 898 break; 899 case IEEE80211_IOC_WME: 900 ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; 901 break; 902 case IEEE80211_IOC_HIDESSID: 903 ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; 904 break; 905 case IEEE80211_IOC_APBRIDGE: 906 ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; 907 break; 908 case IEEE80211_IOC_WPAKEY: 909 error = ieee80211_ioctl_getkey(vap, ireq); 910 break; 911 case IEEE80211_IOC_CHANINFO: 912 error = ieee80211_ioctl_getchaninfo(vap, ireq); 913 break; 914 case IEEE80211_IOC_BSSID: 915 if (ireq->i_len != IEEE80211_ADDR_LEN) 916 return EINVAL; 917 if (vap->iv_state == IEEE80211_S_RUN) { 918 error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? 919 vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, 920 ireq->i_data, ireq->i_len); 921 } else 922 error = copyout(vap->iv_des_bssid, ireq->i_data, 923 ireq->i_len); 924 break; 925 case IEEE80211_IOC_WPAIE: 926 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 927 break; 928 case IEEE80211_IOC_WPAIE2: 929 error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); 930 break; 931 case IEEE80211_IOC_SCAN_RESULTS: 932 error = ieee80211_ioctl_getscanresults(vap, ireq); 933 break; 934 case IEEE80211_IOC_STA_STATS: 935 error = ieee80211_ioctl_getstastats(vap, ireq); 936 break; 937 case IEEE80211_IOC_TXPOWMAX: 938 ireq->i_val = vap->iv_bss->ni_txpower; 939 break; 940 case IEEE80211_IOC_STA_TXPOW: 941 error = ieee80211_ioctl_getstatxpow(vap, ireq); 942 break; 943 case IEEE80211_IOC_STA_INFO: 944 error = ieee80211_ioctl_getstainfo(vap, ireq); 945 break; 946 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 947 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 948 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 949 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 950 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 951 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 952 error = ieee80211_ioctl_getwmeparam(vap, ireq); 953 break; 954 case IEEE80211_IOC_DTIM_PERIOD: 955 ireq->i_val = vap->iv_dtim_period; 956 break; 957 case IEEE80211_IOC_BEACON_INTERVAL: 958 /* NB: get from ic_bss for station mode */ 959 ireq->i_val = vap->iv_bss->ni_intval; 960 break; 961 case IEEE80211_IOC_PUREG: 962 ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; 963 break; 964 case IEEE80211_IOC_BGSCAN: 965 ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; 966 break; 967 case IEEE80211_IOC_BGSCAN_IDLE: 968 ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ 969 break; 970 case IEEE80211_IOC_BGSCAN_INTERVAL: 971 ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ 972 break; 973 case IEEE80211_IOC_SCANVALID: 974 ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ 975 break; 976 case IEEE80211_IOC_FRAGTHRESHOLD: 977 ireq->i_val = vap->iv_fragthreshold; 978 break; 979 case IEEE80211_IOC_MACCMD: 980 error = ieee80211_ioctl_getmaccmd(vap, ireq); 981 break; 982 case IEEE80211_IOC_BURST: 983 ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; 984 break; 985 case IEEE80211_IOC_BMISSTHRESHOLD: 986 ireq->i_val = vap->iv_bmissthreshold; 987 break; 988 case IEEE80211_IOC_CURCHAN: 989 error = ieee80211_ioctl_getcurchan(vap, ireq); 990 break; 991 case IEEE80211_IOC_SHORTGI: 992 ireq->i_val = 0; 993 if (vap->iv_flags_ext & IEEE80211_FEXT_SHORTGI20) 994 ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; 995 if (vap->iv_flags_ext & IEEE80211_FEXT_SHORTGI40) 996 ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; 997 break; 998 case IEEE80211_IOC_AMPDU: 999 ireq->i_val = 0; 1000 if (vap->iv_flags_ext & IEEE80211_FEXT_AMPDU_TX) 1001 ireq->i_val |= 1; 1002 if (vap->iv_flags_ext & IEEE80211_FEXT_AMPDU_RX) 1003 ireq->i_val |= 2; 1004 break; 1005 case IEEE80211_IOC_AMPDU_LIMIT: 1006 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 1007 ireq->i_val = vap->iv_ampdu_rxmax; 1008 else if (vap->iv_state == IEEE80211_S_RUN) 1009 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1010 IEEE80211_HTCAP_MAXRXAMPDU); 1011 else 1012 ireq->i_val = vap->iv_ampdu_limit; 1013 break; 1014 case IEEE80211_IOC_AMPDU_DENSITY: 1015 if (vap->iv_opmode == IEEE80211_M_STA && 1016 vap->iv_state == IEEE80211_S_RUN) 1017 ireq->i_val = MS(vap->iv_bss->ni_htparam, 1018 IEEE80211_HTCAP_MPDUDENSITY); 1019 else 1020 ireq->i_val = vap->iv_ampdu_density; 1021 break; 1022 case IEEE80211_IOC_AMSDU: 1023 ireq->i_val = 0; 1024 if (vap->iv_flags_ext & IEEE80211_FEXT_AMSDU_TX) 1025 ireq->i_val |= 1; 1026 if (vap->iv_flags_ext & IEEE80211_FEXT_AMSDU_RX) 1027 ireq->i_val |= 2; 1028 break; 1029 case IEEE80211_IOC_AMSDU_LIMIT: 1030 ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ 1031 break; 1032 case IEEE80211_IOC_PUREN: 1033 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_PUREN) != 0; 1034 break; 1035 case IEEE80211_IOC_DOTH: 1036 ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; 1037 break; 1038 case IEEE80211_IOC_REGDOMAIN: 1039 error = ieee80211_ioctl_getregdomain(vap, ireq); 1040 break; 1041 case IEEE80211_IOC_ROAM: 1042 error = ieee80211_ioctl_getroam(vap, ireq); 1043 break; 1044 case IEEE80211_IOC_TXPARAMS: 1045 error = ieee80211_ioctl_gettxparams(vap, ireq); 1046 break; 1047 case IEEE80211_IOC_HTCOMPAT: 1048 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_HTCOMPAT) != 0; 1049 break; 1050 case IEEE80211_IOC_DWDS: 1051 ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; 1052 break; 1053 case IEEE80211_IOC_INACTIVITY: 1054 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; 1055 break; 1056 case IEEE80211_IOC_APPIE: 1057 error = ieee80211_ioctl_getappie(vap, ireq); 1058 break; 1059 case IEEE80211_IOC_WPS: 1060 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; 1061 break; 1062 case IEEE80211_IOC_TSN: 1063 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; 1064 break; 1065 case IEEE80211_IOC_DFS: 1066 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; 1067 break; 1068 case IEEE80211_IOC_DOTD: 1069 ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; 1070 break; 1071 case IEEE80211_IOC_DEVCAPS: 1072 error = ieee80211_ioctl_getdevcaps(ic, ireq); 1073 break; 1074 case IEEE80211_IOC_HTPROTMODE: 1075 ireq->i_val = ic->ic_htprotmode; 1076 break; 1077 case IEEE80211_IOC_HTCONF: 1078 if (vap->iv_flags_ext & IEEE80211_FEXT_HT) { 1079 ireq->i_val = 1; 1080 if (vap->iv_flags_ext & IEEE80211_FEXT_USEHT40) 1081 ireq->i_val |= 2; 1082 } else 1083 ireq->i_val = 0; 1084 break; 1085 case IEEE80211_IOC_STA_VLAN: 1086 error = ieee80211_ioctl_getstavlan(vap, ireq); 1087 break; 1088 case IEEE80211_IOC_SMPS: 1089 if (vap->iv_opmode == IEEE80211_M_STA && 1090 vap->iv_state == IEEE80211_S_RUN) { 1091 if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) 1092 ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; 1093 else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) 1094 ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; 1095 else 1096 ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; 1097 } else 1098 ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; 1099 break; 1100 case IEEE80211_IOC_RIFS: 1101 if (vap->iv_opmode == IEEE80211_M_STA && 1102 vap->iv_state == IEEE80211_S_RUN) 1103 ireq->i_val = 1104 (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; 1105 else 1106 ireq->i_val = 1107 (vap->iv_flags_ext & IEEE80211_FEXT_RIFS) != 0; 1108 break; 1109 default: 1110 error = ieee80211_ioctl_getdefault(vap, ireq); 1111 break; 1112 } 1113 return error; 1114 #undef MS 1115 } 1116 1117 static __noinline int 1118 ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1119 { 1120 struct ieee80211req_key ik; 1121 struct ieee80211_node *ni; 1122 struct ieee80211_key *wk; 1123 uint16_t kid; 1124 int error, i; 1125 1126 if (ireq->i_len != sizeof(ik)) 1127 return EINVAL; 1128 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1129 if (error) 1130 return error; 1131 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1132 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1133 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1134 return E2BIG; 1135 kid = ik.ik_keyix; 1136 if (kid == IEEE80211_KEYIX_NONE) { 1137 /* XXX unicast keys currently must be tx/rx */ 1138 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1139 return EINVAL; 1140 if (vap->iv_opmode == IEEE80211_M_STA) { 1141 ni = ieee80211_ref_node(vap->iv_bss); 1142 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1143 ieee80211_free_node(ni); 1144 return EADDRNOTAVAIL; 1145 } 1146 } else { 1147 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1148 ik.ik_macaddr); 1149 if (ni == NULL) 1150 return ENOENT; 1151 } 1152 wk = &ni->ni_ucastkey; 1153 } else { 1154 if (kid >= IEEE80211_WEP_NKID) 1155 return EINVAL; 1156 wk = &vap->iv_nw_keys[kid]; 1157 /* 1158 * Global slots start off w/o any assigned key index. 1159 * Force one here for consistency with IEEE80211_IOC_WEPKEY. 1160 */ 1161 if (wk->wk_keyix == IEEE80211_KEYIX_NONE) 1162 wk->wk_keyix = kid; 1163 ni = NULL; 1164 } 1165 error = 0; 1166 ieee80211_key_update_begin(vap); 1167 if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { 1168 wk->wk_keylen = ik.ik_keylen; 1169 /* NB: MIC presence is implied by cipher type */ 1170 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1171 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1172 for (i = 0; i < IEEE80211_TID_SIZE; i++) 1173 wk->wk_keyrsc[i] = ik.ik_keyrsc; 1174 wk->wk_keytsc = 0; /* new key, reset */ 1175 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1176 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1177 IEEE80211_ADDR_COPY(wk->wk_macaddr, 1178 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); 1179 if (!ieee80211_crypto_setkey(vap, wk)) 1180 error = EIO; 1181 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1182 vap->iv_def_txkey = kid; 1183 } else 1184 error = ENXIO; 1185 ieee80211_key_update_end(vap); 1186 if (ni != NULL) 1187 ieee80211_free_node(ni); 1188 return error; 1189 } 1190 1191 static __noinline int 1192 ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) 1193 { 1194 struct ieee80211req_del_key dk; 1195 int kid, error; 1196 1197 if (ireq->i_len != sizeof(dk)) 1198 return EINVAL; 1199 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1200 if (error) 1201 return error; 1202 kid = dk.idk_keyix; 1203 /* XXX uint8_t -> uint16_t */ 1204 if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { 1205 struct ieee80211_node *ni; 1206 1207 if (vap->iv_opmode == IEEE80211_M_STA) { 1208 ni = ieee80211_ref_node(vap->iv_bss); 1209 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1210 ieee80211_free_node(ni); 1211 return EADDRNOTAVAIL; 1212 } 1213 } else { 1214 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 1215 dk.idk_macaddr); 1216 if (ni == NULL) 1217 return ENOENT; 1218 } 1219 /* XXX error return */ 1220 ieee80211_node_delucastkey(ni); 1221 ieee80211_free_node(ni); 1222 } else { 1223 if (kid >= IEEE80211_WEP_NKID) 1224 return EINVAL; 1225 /* XXX error return */ 1226 ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); 1227 } 1228 return 0; 1229 } 1230 1231 struct mlmeop { 1232 struct ieee80211vap *vap; 1233 int op; 1234 int reason; 1235 }; 1236 1237 static void 1238 mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1239 int op, int reason) 1240 { 1241 #ifdef IEEE80211_DEBUG 1242 static const struct { 1243 int mask; 1244 const char *opstr; 1245 } ops[] = { 1246 { 0, "op#0" }, 1247 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1248 IEEE80211_MSG_ASSOC, "assoc" }, 1249 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1250 IEEE80211_MSG_ASSOC, "disassoc" }, 1251 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1252 IEEE80211_MSG_AUTH, "deauth" }, 1253 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1254 IEEE80211_MSG_AUTH, "authorize" }, 1255 { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | 1256 IEEE80211_MSG_AUTH, "unauthorize" }, 1257 }; 1258 1259 if (op == IEEE80211_MLME_AUTH) { 1260 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | 1261 IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, 1262 "station authenticate %s via MLME (reason %d)", 1263 reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", 1264 reason); 1265 } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { 1266 IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, 1267 "unknown MLME request %d (reason %d)", op, reason); 1268 } else if (reason == IEEE80211_STATUS_SUCCESS) { 1269 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1270 "station %s via MLME", ops[op].opstr); 1271 } else { 1272 IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, 1273 "station %s via MLME (reason %d)", ops[op].opstr, reason); 1274 } 1275 #endif /* IEEE80211_DEBUG */ 1276 } 1277 1278 static void 1279 domlme(void *arg, struct ieee80211_node *ni) 1280 { 1281 struct mlmeop *mop = arg; 1282 struct ieee80211vap *vap = ni->ni_vap; 1283 1284 if (vap != mop->vap) 1285 return; 1286 /* 1287 * NB: if ni_associd is zero then the node is already cleaned 1288 * up and we don't need to do this (we're safely holding a 1289 * reference but should otherwise not modify it's state). 1290 */ 1291 if (ni->ni_associd == 0) 1292 return; 1293 mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); 1294 if (mop->op == IEEE80211_MLME_DEAUTH) { 1295 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, 1296 mop->reason); 1297 } else { 1298 IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, 1299 mop->reason); 1300 } 1301 ieee80211_node_leave(ni); 1302 } 1303 1304 static int 1305 setmlme_dropsta(struct ieee80211vap *vap, 1306 const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) 1307 { 1308 struct ieee80211com *ic = vap->iv_ic; 1309 struct ieee80211_node_table *nt = &ic->ic_sta; 1310 struct ieee80211_node *ni; 1311 int error = 0; 1312 1313 /* NB: the broadcast address means do 'em all */ 1314 if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { 1315 IEEE80211_NODE_LOCK(nt); 1316 ni = ieee80211_find_node_locked(nt, mac); 1317 if (ni != NULL) { 1318 domlme(mlmeop, ni); 1319 ieee80211_free_node(ni); 1320 } else 1321 error = ENOENT; 1322 IEEE80211_NODE_UNLOCK(nt); 1323 } else { 1324 ieee80211_iterate_nodes(nt, domlme, mlmeop); 1325 } 1326 return error; 1327 } 1328 1329 static __noinline int 1330 setmlme_common(struct ieee80211vap *vap, int op, 1331 const uint8_t mac[IEEE80211_ADDR_LEN], int reason) 1332 { 1333 struct ieee80211com *ic = vap->iv_ic; 1334 struct ieee80211_node_table *nt = &ic->ic_sta; 1335 struct ieee80211_node *ni; 1336 struct mlmeop mlmeop; 1337 int error; 1338 1339 error = 0; 1340 switch (op) { 1341 case IEEE80211_MLME_DISASSOC: 1342 case IEEE80211_MLME_DEAUTH: 1343 switch (vap->iv_opmode) { 1344 case IEEE80211_M_STA: 1345 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1346 /* XXX not quite right */ 1347 ieee80211_new_state(vap, IEEE80211_S_INIT, reason); 1348 break; 1349 case IEEE80211_M_HOSTAP: 1350 mlmeop.vap = vap; 1351 mlmeop.op = op; 1352 mlmeop.reason = reason; 1353 error = setmlme_dropsta(vap, mac, &mlmeop); 1354 break; 1355 case IEEE80211_M_WDS: 1356 /* XXX user app should send raw frame? */ 1357 if (op != IEEE80211_MLME_DEAUTH) { 1358 error = EINVAL; 1359 break; 1360 } 1361 #if 0 1362 /* XXX accept any address, simplifies user code */ 1363 if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { 1364 error = EINVAL; 1365 break; 1366 } 1367 #endif 1368 mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); 1369 ni = ieee80211_ref_node(vap->iv_bss); 1370 IEEE80211_SEND_MGMT(ni, 1371 IEEE80211_FC0_SUBTYPE_DEAUTH, reason); 1372 ieee80211_free_node(ni); 1373 break; 1374 default: 1375 error = EINVAL; 1376 break; 1377 } 1378 break; 1379 case IEEE80211_MLME_AUTHORIZE: 1380 case IEEE80211_MLME_UNAUTHORIZE: 1381 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 1382 vap->iv_opmode != IEEE80211_M_WDS) { 1383 error = EINVAL; 1384 break; 1385 } 1386 IEEE80211_NODE_LOCK(nt); 1387 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1388 if (ni != NULL) { 1389 mlmedebug(vap, mac, op, reason); 1390 if (op == IEEE80211_MLME_AUTHORIZE) 1391 ieee80211_node_authorize(ni); 1392 else 1393 ieee80211_node_unauthorize(ni); 1394 ieee80211_free_node(ni); 1395 } else 1396 error = ENOENT; 1397 IEEE80211_NODE_UNLOCK(nt); 1398 break; 1399 case IEEE80211_MLME_AUTH: 1400 if (vap->iv_opmode != IEEE80211_M_HOSTAP) { 1401 error = EINVAL; 1402 break; 1403 } 1404 IEEE80211_NODE_LOCK(nt); 1405 ni = ieee80211_find_vap_node_locked(nt, vap, mac); 1406 if (ni != NULL) { 1407 mlmedebug(vap, mac, op, reason); 1408 if (reason == IEEE80211_STATUS_SUCCESS) { 1409 IEEE80211_SEND_MGMT(ni, 1410 IEEE80211_FC0_SUBTYPE_AUTH, 2); 1411 /* 1412 * For shared key auth, just continue the 1413 * exchange. Otherwise when 802.1x is not in 1414 * use mark the port authorized at this point 1415 * so traffic can flow. 1416 */ 1417 if (ni->ni_authmode != IEEE80211_AUTH_8021X && 1418 ni->ni_challenge == NULL) 1419 ieee80211_node_authorize(ni); 1420 } else { 1421 vap->iv_stats.is_rx_acl++; 1422 ieee80211_send_error(ni, ni->ni_macaddr, 1423 IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); 1424 ieee80211_node_leave(ni); 1425 } 1426 ieee80211_free_node(ni); 1427 } else 1428 error = ENOENT; 1429 IEEE80211_NODE_UNLOCK(nt); 1430 break; 1431 default: 1432 error = EINVAL; 1433 break; 1434 } 1435 return error; 1436 } 1437 1438 struct scanlookup { 1439 const uint8_t *mac; 1440 int esslen; 1441 const uint8_t *essid; 1442 const struct ieee80211_scan_entry *se; 1443 }; 1444 1445 /* 1446 * Match mac address and any ssid. 1447 */ 1448 static void 1449 mlmelookup(void *arg, const struct ieee80211_scan_entry *se) 1450 { 1451 struct scanlookup *look = arg; 1452 1453 if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) 1454 return; 1455 if (look->esslen != 0) { 1456 if (se->se_ssid[1] != look->esslen) 1457 return; 1458 if (memcmp(look->essid, se->se_ssid+2, look->esslen)) 1459 return; 1460 } 1461 look->se = se; 1462 } 1463 1464 static __noinline int 1465 setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 1466 int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN]) 1467 { 1468 struct scanlookup lookup; 1469 1470 /* XXX ibss/ahdemo */ 1471 if (vap->iv_opmode != IEEE80211_M_STA) 1472 return EINVAL; 1473 1474 /* NB: this is racey if roaming is !manual */ 1475 lookup.se = NULL; 1476 lookup.mac = mac; 1477 lookup.esslen = ssid_len; 1478 lookup.essid = ssid; 1479 ieee80211_scan_iterate(vap, mlmelookup, &lookup); 1480 if (lookup.se == NULL) 1481 return ENOENT; 1482 mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); 1483 if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) 1484 return EIO; /* XXX unique but could be better */ 1485 return 0; 1486 } 1487 1488 static __noinline int 1489 ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) 1490 { 1491 struct ieee80211req_mlme mlme; 1492 int error; 1493 1494 if (ireq->i_len != sizeof(mlme)) 1495 return EINVAL; 1496 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1497 if (error) 1498 return error; 1499 if (mlme.im_op == IEEE80211_MLME_ASSOC) 1500 return setmlme_assoc(vap, mlme.im_macaddr, 1501 vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); 1502 else 1503 return setmlme_common(vap, mlme.im_op, 1504 mlme.im_macaddr, mlme.im_reason); 1505 } 1506 1507 static __noinline int 1508 ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) 1509 { 1510 uint8_t mac[IEEE80211_ADDR_LEN]; 1511 const struct ieee80211_aclator *acl = vap->iv_acl; 1512 int error; 1513 1514 if (ireq->i_len != sizeof(mac)) 1515 return EINVAL; 1516 error = copyin(ireq->i_data, mac, ireq->i_len); 1517 if (error) 1518 return error; 1519 if (acl == NULL) { 1520 acl = ieee80211_aclator_get("mac"); 1521 if (acl == NULL || !acl->iac_attach(vap)) 1522 return EINVAL; 1523 vap->iv_acl = acl; 1524 } 1525 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1526 acl->iac_add(vap, mac); 1527 else 1528 acl->iac_remove(vap, mac); 1529 return 0; 1530 } 1531 1532 static __noinline int 1533 ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) 1534 { 1535 const struct ieee80211_aclator *acl = vap->iv_acl; 1536 1537 switch (ireq->i_val) { 1538 case IEEE80211_MACCMD_POLICY_OPEN: 1539 case IEEE80211_MACCMD_POLICY_ALLOW: 1540 case IEEE80211_MACCMD_POLICY_DENY: 1541 case IEEE80211_MACCMD_POLICY_RADIUS: 1542 if (acl == NULL) { 1543 acl = ieee80211_aclator_get("mac"); 1544 if (acl == NULL || !acl->iac_attach(vap)) 1545 return EINVAL; 1546 vap->iv_acl = acl; 1547 } 1548 acl->iac_setpolicy(vap, ireq->i_val); 1549 break; 1550 case IEEE80211_MACCMD_FLUSH: 1551 if (acl != NULL) 1552 acl->iac_flush(vap); 1553 /* NB: silently ignore when not in use */ 1554 break; 1555 case IEEE80211_MACCMD_DETACH: 1556 if (acl != NULL) { 1557 vap->iv_acl = NULL; 1558 acl->iac_detach(vap); 1559 } 1560 break; 1561 default: 1562 if (acl == NULL) 1563 return EINVAL; 1564 else 1565 return acl->iac_setioctl(vap, ireq); 1566 } 1567 return 0; 1568 } 1569 1570 static __noinline int 1571 ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) 1572 { 1573 struct ieee80211com *ic = vap->iv_ic; 1574 uint8_t *chanlist, *list; 1575 int i, nchan, maxchan, error; 1576 1577 if (ireq->i_len > sizeof(ic->ic_chan_active)) 1578 ireq->i_len = sizeof(ic->ic_chan_active); 1579 list = malloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, 1580 M_NOWAIT | M_ZERO); 1581 if (list == NULL) 1582 return ENOMEM; 1583 error = copyin(ireq->i_data, list, ireq->i_len); 1584 if (error) 1585 return error; 1586 nchan = 0; 1587 chanlist = list + ireq->i_len; /* NB: zero'd already */ 1588 maxchan = ireq->i_len * NBBY; 1589 for (i = 0; i < ic->ic_nchans; i++) { 1590 const struct ieee80211_channel *c = &ic->ic_channels[i]; 1591 /* 1592 * Calculate the intersection of the user list and the 1593 * available channels so users can do things like specify 1594 * 1-255 to get all available channels. 1595 */ 1596 if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { 1597 setbit(chanlist, c->ic_ieee); 1598 nchan++; 1599 } 1600 } 1601 if (nchan == 0) 1602 return EINVAL; 1603 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ 1604 isclr(chanlist, ic->ic_bsschan->ic_ieee)) 1605 ic->ic_bsschan = IEEE80211_CHAN_ANYC; 1606 memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); 1607 ieee80211_scan_flush(vap); 1608 free(list, M_TEMP); 1609 return ENETRESET; 1610 } 1611 1612 static __noinline int 1613 ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) 1614 { 1615 struct ieee80211_node *ni; 1616 uint8_t macaddr[IEEE80211_ADDR_LEN]; 1617 int error; 1618 1619 /* 1620 * NB: we could copyin ieee80211req_sta_stats so apps 1621 * could make selective changes but that's overkill; 1622 * just clear all stats for now. 1623 */ 1624 if (ireq->i_len < IEEE80211_ADDR_LEN) 1625 return EINVAL; 1626 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1627 if (error != 0) 1628 return error; 1629 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); 1630 if (ni == NULL) 1631 return ENOENT; 1632 /* XXX require ni_vap == vap? */ 1633 memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); 1634 ieee80211_free_node(ni); 1635 return 0; 1636 } 1637 1638 static __noinline int 1639 ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) 1640 { 1641 struct ieee80211_node *ni; 1642 struct ieee80211req_sta_txpow txpow; 1643 int error; 1644 1645 if (ireq->i_len != sizeof(txpow)) 1646 return EINVAL; 1647 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1648 if (error != 0) 1649 return error; 1650 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); 1651 if (ni == NULL) 1652 return ENOENT; 1653 ni->ni_txpower = txpow.it_txpow; 1654 ieee80211_free_node(ni); 1655 return error; 1656 } 1657 1658 static __noinline int 1659 ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) 1660 { 1661 struct ieee80211com *ic = vap->iv_ic; 1662 struct ieee80211_wme_state *wme = &ic->ic_wme; 1663 struct wmeParams *wmep, *chanp; 1664 int isbss, ac; 1665 1666 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1667 return EOPNOTSUPP; 1668 1669 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1670 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1671 if (ac >= WME_NUM_AC) 1672 ac = WME_AC_BE; 1673 if (isbss) { 1674 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1675 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1676 } else { 1677 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1678 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1679 } 1680 switch (ireq->i_type) { 1681 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1682 if (isbss) { 1683 wmep->wmep_logcwmin = ireq->i_val; 1684 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1685 chanp->wmep_logcwmin = ireq->i_val; 1686 } else { 1687 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1688 ireq->i_val; 1689 } 1690 break; 1691 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1692 if (isbss) { 1693 wmep->wmep_logcwmax = ireq->i_val; 1694 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1695 chanp->wmep_logcwmax = ireq->i_val; 1696 } else { 1697 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1698 ireq->i_val; 1699 } 1700 break; 1701 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1702 if (isbss) { 1703 wmep->wmep_aifsn = ireq->i_val; 1704 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1705 chanp->wmep_aifsn = ireq->i_val; 1706 } else { 1707 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1708 } 1709 break; 1710 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1711 if (isbss) { 1712 wmep->wmep_txopLimit = ireq->i_val; 1713 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1714 chanp->wmep_txopLimit = ireq->i_val; 1715 } else { 1716 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1717 ireq->i_val; 1718 } 1719 break; 1720 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1721 wmep->wmep_acm = ireq->i_val; 1722 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1723 chanp->wmep_acm = ireq->i_val; 1724 break; 1725 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1726 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1727 (ireq->i_val) == 0; 1728 break; 1729 } 1730 ieee80211_wme_updateparams(vap); 1731 return 0; 1732 } 1733 1734 static int 1735 find11gchannel(struct ieee80211com *ic, int start, int freq) 1736 { 1737 const struct ieee80211_channel *c; 1738 int i; 1739 1740 for (i = start+1; i < ic->ic_nchans; i++) { 1741 c = &ic->ic_channels[i]; 1742 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1743 return 1; 1744 } 1745 /* NB: should not be needed but in case things are mis-sorted */ 1746 for (i = 0; i < start; i++) { 1747 c = &ic->ic_channels[i]; 1748 if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) 1749 return 1; 1750 } 1751 return 0; 1752 } 1753 1754 static struct ieee80211_channel * 1755 findchannel(struct ieee80211com *ic, int ieee, int mode) 1756 { 1757 static const u_int chanflags[IEEE80211_MODE_MAX] = { 1758 [IEEE80211_MODE_AUTO] = 0, 1759 [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, 1760 [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, 1761 [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, 1762 [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, 1763 [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, 1764 [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, 1765 [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, 1766 [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, 1767 [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, 1768 /* NB: handled specially below */ 1769 [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, 1770 [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, 1771 }; 1772 u_int modeflags; 1773 int i; 1774 1775 modeflags = chanflags[mode]; 1776 for (i = 0; i < ic->ic_nchans; i++) { 1777 struct ieee80211_channel *c = &ic->ic_channels[i]; 1778 1779 if (c->ic_ieee != ieee) 1780 continue; 1781 if (mode == IEEE80211_MODE_AUTO) { 1782 /* ignore turbo channels for autoselect */ 1783 if (IEEE80211_IS_CHAN_TURBO(c)) 1784 continue; 1785 /* 1786 * XXX special-case 11b/g channels so we 1787 * always select the g channel if both 1788 * are present. 1789 * XXX prefer HT to non-HT? 1790 */ 1791 if (!IEEE80211_IS_CHAN_B(c) || 1792 !find11gchannel(ic, i, c->ic_freq)) 1793 return c; 1794 } else { 1795 /* must check HT specially */ 1796 if ((mode == IEEE80211_MODE_11NA || 1797 mode == IEEE80211_MODE_11NG) && 1798 !IEEE80211_IS_CHAN_HT(c)) 1799 continue; 1800 if ((c->ic_flags & modeflags) == modeflags) 1801 return c; 1802 } 1803 } 1804 return NULL; 1805 } 1806 1807 /* 1808 * Check the specified against any desired mode (aka netband). 1809 * This is only used (presently) when operating in hostap mode 1810 * to enforce consistency. 1811 */ 1812 static int 1813 check_mode_consistency(const struct ieee80211_channel *c, int mode) 1814 { 1815 KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); 1816 1817 switch (mode) { 1818 case IEEE80211_MODE_11B: 1819 return (IEEE80211_IS_CHAN_B(c)); 1820 case IEEE80211_MODE_11G: 1821 return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); 1822 case IEEE80211_MODE_11A: 1823 return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); 1824 case IEEE80211_MODE_STURBO_A: 1825 return (IEEE80211_IS_CHAN_STURBO(c)); 1826 case IEEE80211_MODE_11NA: 1827 return (IEEE80211_IS_CHAN_HTA(c)); 1828 case IEEE80211_MODE_11NG: 1829 return (IEEE80211_IS_CHAN_HTG(c)); 1830 } 1831 return 1; 1832 1833 } 1834 1835 /* 1836 * Common code to set the current channel. If the device 1837 * is up and running this may result in an immediate channel 1838 * change or a kick of the state machine. 1839 */ 1840 static int 1841 setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) 1842 { 1843 struct ieee80211com *ic = vap->iv_ic; 1844 int error; 1845 1846 if (c != IEEE80211_CHAN_ANYC) { 1847 if (IEEE80211_IS_CHAN_RADAR(c)) 1848 return EBUSY; /* XXX better code? */ 1849 if (vap->iv_opmode == IEEE80211_M_HOSTAP) { 1850 if (IEEE80211_IS_CHAN_NOHOSTAP(c)) 1851 return EINVAL; 1852 if (!check_mode_consistency(c, vap->iv_des_mode)) 1853 return EINVAL; 1854 } else if (vap->iv_opmode == IEEE80211_M_IBSS) { 1855 if (IEEE80211_IS_CHAN_NOADHOC(c)) 1856 return EINVAL; 1857 } 1858 if (vap->iv_state == IEEE80211_S_RUN && 1859 vap->iv_bss->ni_chan == c) 1860 return 0; /* NB: nothing to do */ 1861 } 1862 vap->iv_des_chan = c; 1863 1864 error = 0; 1865 if (vap->iv_opmode == IEEE80211_M_MONITOR && 1866 vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1867 /* 1868 * Monitor mode can switch directly. 1869 */ 1870 if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { 1871 /* XXX need state machine for other vap's to follow */ 1872 ieee80211_setcurchan(ic, vap->iv_des_chan); 1873 vap->iv_bss->ni_chan = ic->ic_curchan; 1874 } else 1875 ic->ic_curchan = vap->iv_des_chan; 1876 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1877 } else { 1878 /* 1879 * Need to go through the state machine in case we 1880 * need to reassociate or the like. The state machine 1881 * will pickup the desired channel and avoid scanning. 1882 */ 1883 if (IS_UP_AUTO(vap)) 1884 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 1885 else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { 1886 /* 1887 * When not up+running and a real channel has 1888 * been specified fix the current channel so 1889 * there is immediate feedback; e.g. via ifconfig. 1890 */ 1891 ic->ic_curchan = vap->iv_des_chan; 1892 ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); 1893 } 1894 } 1895 return error; 1896 } 1897 1898 /* 1899 * Old api for setting the current channel; this is 1900 * deprecated because channel numbers are ambiguous. 1901 */ 1902 static __noinline int 1903 ieee80211_ioctl_setchannel(struct ieee80211vap *vap, 1904 const struct ieee80211req *ireq) 1905 { 1906 struct ieee80211com *ic = vap->iv_ic; 1907 struct ieee80211_channel *c; 1908 1909 /* XXX 0xffff overflows 16-bit signed */ 1910 if (ireq->i_val == 0 || 1911 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { 1912 c = IEEE80211_CHAN_ANYC; 1913 } else { 1914 struct ieee80211_channel *c2; 1915 1916 c = findchannel(ic, ireq->i_val, vap->iv_des_mode); 1917 if (c == NULL) { 1918 c = findchannel(ic, ireq->i_val, 1919 IEEE80211_MODE_AUTO); 1920 if (c == NULL) 1921 return EINVAL; 1922 } 1923 /* 1924 * Fine tune channel selection based on desired mode: 1925 * if 11b is requested, find the 11b version of any 1926 * 11g channel returned, 1927 * if static turbo, find the turbo version of any 1928 * 11a channel return, 1929 * if 11na is requested, find the ht version of any 1930 * 11a channel returned, 1931 * if 11ng is requested, find the ht version of any 1932 * 11g channel returned, 1933 * otherwise we should be ok with what we've got. 1934 */ 1935 switch (vap->iv_des_mode) { 1936 case IEEE80211_MODE_11B: 1937 if (IEEE80211_IS_CHAN_ANYG(c)) { 1938 c2 = findchannel(ic, ireq->i_val, 1939 IEEE80211_MODE_11B); 1940 /* NB: should not happen, =>'s 11g w/o 11b */ 1941 if (c2 != NULL) 1942 c = c2; 1943 } 1944 break; 1945 case IEEE80211_MODE_TURBO_A: 1946 if (IEEE80211_IS_CHAN_A(c)) { 1947 c2 = findchannel(ic, ireq->i_val, 1948 IEEE80211_MODE_TURBO_A); 1949 if (c2 != NULL) 1950 c = c2; 1951 } 1952 break; 1953 case IEEE80211_MODE_11NA: 1954 if (IEEE80211_IS_CHAN_A(c)) { 1955 c2 = findchannel(ic, ireq->i_val, 1956 IEEE80211_MODE_11NA); 1957 if (c2 != NULL) 1958 c = c2; 1959 } 1960 break; 1961 case IEEE80211_MODE_11NG: 1962 if (IEEE80211_IS_CHAN_ANYG(c)) { 1963 c2 = findchannel(ic, ireq->i_val, 1964 IEEE80211_MODE_11NG); 1965 if (c2 != NULL) 1966 c = c2; 1967 } 1968 break; 1969 default: /* NB: no static turboG */ 1970 break; 1971 } 1972 } 1973 return setcurchan(vap, c); 1974 } 1975 1976 /* 1977 * New/current api for setting the current channel; a complete 1978 * channel description is provide so there is no ambiguity in 1979 * identifying the channel. 1980 */ 1981 static __noinline int 1982 ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, 1983 const struct ieee80211req *ireq) 1984 { 1985 struct ieee80211com *ic = vap->iv_ic; 1986 struct ieee80211_channel chan, *c; 1987 int error; 1988 1989 if (ireq->i_len != sizeof(chan)) 1990 return EINVAL; 1991 error = copyin(ireq->i_data, &chan, sizeof(chan)); 1992 if (error != 0) 1993 return error; 1994 /* XXX 0xffff overflows 16-bit signed */ 1995 if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { 1996 c = IEEE80211_CHAN_ANYC; 1997 } else { 1998 c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); 1999 if (c == NULL) 2000 return EINVAL; 2001 } 2002 return setcurchan(vap, c); 2003 } 2004 2005 static __noinline int 2006 ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, 2007 const struct ieee80211req *ireq) 2008 { 2009 struct ieee80211_regdomain_req *reg; 2010 int nchans, error; 2011 2012 nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / 2013 sizeof(struct ieee80211_channel)); 2014 if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { 2015 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2016 "%s: bad # chans, i_len %d nchans %d\n", __func__, 2017 ireq->i_len, nchans); 2018 return EINVAL; 2019 } 2020 reg = (struct ieee80211_regdomain_req *) 2021 malloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_NOWAIT); 2022 if (reg == NULL) { 2023 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2024 "%s: no memory, nchans %d\n", __func__, nchans); 2025 return ENOMEM; 2026 } 2027 error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); 2028 if (error == 0) { 2029 /* NB: validate inline channel count against storage size */ 2030 if (reg->chaninfo.ic_nchans != nchans) { 2031 IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, 2032 "%s: chan cnt mismatch, %d != %d\n", __func__, 2033 reg->chaninfo.ic_nchans, nchans); 2034 error = EINVAL; 2035 } else 2036 error = ieee80211_setregdomain(vap, reg); 2037 } 2038 free(reg, M_TEMP); 2039 2040 return (error == 0 ? ENETRESET : error); 2041 } 2042 2043 static int 2044 ieee80211_ioctl_setroam(struct ieee80211vap *vap, 2045 const struct ieee80211req *ireq) 2046 { 2047 if (ireq->i_len != sizeof(vap->iv_roamparms)) 2048 return EINVAL; 2049 /* XXX validate params */ 2050 /* XXX? ENETRESET to push to device? */ 2051 return copyin(ireq->i_data, vap->iv_roamparms, 2052 sizeof(vap->iv_roamparms)); 2053 } 2054 2055 static int 2056 checkrate(const struct ieee80211_rateset *rs, int rate) 2057 { 2058 int i; 2059 2060 if (rate == IEEE80211_FIXED_RATE_NONE) 2061 return 1; 2062 for (i = 0; i < rs->rs_nrates; i++) 2063 if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) 2064 return 1; 2065 return 0; 2066 } 2067 2068 static int 2069 checkmcs(int mcs) 2070 { 2071 if (mcs == IEEE80211_FIXED_RATE_NONE) 2072 return 1; 2073 if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ 2074 return 0; 2075 return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ 2076 } 2077 2078 static __noinline int 2079 ieee80211_ioctl_settxparams(struct ieee80211vap *vap, 2080 const struct ieee80211req *ireq) 2081 { 2082 struct ieee80211com *ic = vap->iv_ic; 2083 struct ieee80211_txparams_req parms; /* XXX stack use? */ 2084 struct ieee80211_txparam *src, *dst; 2085 const struct ieee80211_rateset *rs; 2086 int error, mode, changed, is11n, nmodes; 2087 2088 /* NB: accept short requests for backwards compat */ 2089 if (ireq->i_len > sizeof(parms)) 2090 return EINVAL; 2091 error = copyin(ireq->i_data, &parms, ireq->i_len); 2092 if (error != 0) 2093 return error; 2094 nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); 2095 changed = 0; 2096 /* validate parameters and check if anything changed */ 2097 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2098 if (isclr(ic->ic_modecaps, mode)) 2099 continue; 2100 src = &parms.params[mode]; 2101 dst = &vap->iv_txparms[mode]; 2102 rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ 2103 is11n = (mode == IEEE80211_MODE_11NA || 2104 mode == IEEE80211_MODE_11NG); 2105 if (src->ucastrate != dst->ucastrate) { 2106 if (!checkrate(rs, src->ucastrate) && 2107 (!is11n || !checkmcs(src->ucastrate))) 2108 return EINVAL; 2109 changed++; 2110 } 2111 if (src->mcastrate != dst->mcastrate) { 2112 if (!checkrate(rs, src->mcastrate) && 2113 (!is11n || !checkmcs(src->mcastrate))) 2114 return EINVAL; 2115 changed++; 2116 } 2117 if (src->mgmtrate != dst->mgmtrate) { 2118 if (!checkrate(rs, src->mgmtrate) && 2119 (!is11n || !checkmcs(src->mgmtrate))) 2120 return EINVAL; 2121 changed++; 2122 } 2123 if (src->maxretry != dst->maxretry) /* NB: no bounds */ 2124 changed++; 2125 } 2126 if (changed) { 2127 /* 2128 * Copy new parameters in place and notify the 2129 * driver so it can push state to the device. 2130 */ 2131 for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { 2132 if (isset(ic->ic_modecaps, mode)) 2133 vap->iv_txparms[mode] = parms.params[mode]; 2134 } 2135 /* XXX could be more intelligent, 2136 e.g. don't reset if setting not being used */ 2137 return ENETRESET; 2138 } 2139 return 0; 2140 } 2141 2142 /* 2143 * Application Information Element support. 2144 */ 2145 static int 2146 setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) 2147 { 2148 struct ieee80211_appie *app = *aie; 2149 struct ieee80211_appie *napp; 2150 int error; 2151 2152 if (ireq->i_len == 0) { /* delete any existing ie */ 2153 if (app != NULL) { 2154 *aie = NULL; /* XXX racey */ 2155 free(app, M_80211_NODE_IE); 2156 } 2157 return 0; 2158 } 2159 if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) 2160 return EINVAL; 2161 /* 2162 * Allocate a new appie structure and copy in the user data. 2163 * When done swap in the new structure. Note that we do not 2164 * guard against users holding a ref to the old structure; 2165 * this must be handled outside this code. 2166 * 2167 * XXX bad bad bad 2168 */ 2169 napp = (struct ieee80211_appie *) malloc( 2170 sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, M_NOWAIT); 2171 if (napp == NULL) 2172 return ENOMEM; 2173 /* XXX holding ic lock */ 2174 error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); 2175 if (error) { 2176 free(napp, M_80211_NODE_IE); 2177 return error; 2178 } 2179 napp->ie_len = ireq->i_len; 2180 *aie = napp; 2181 if (app != NULL) 2182 free(app, M_80211_NODE_IE); 2183 return 0; 2184 } 2185 2186 static void 2187 setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) 2188 { 2189 /* validate data is present as best we can */ 2190 if (space == 0 || 2+ie[1] > space) 2191 return; 2192 if (ie[0] == IEEE80211_ELEMID_VENDOR) 2193 vap->iv_wpa_ie = ie; 2194 else if (ie[0] == IEEE80211_ELEMID_RSN) 2195 vap->iv_rsn_ie = ie; 2196 } 2197 2198 static __noinline int 2199 ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, 2200 const struct ieee80211req *ireq, int fc0) 2201 { 2202 int error; 2203 2204 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2205 2206 switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { 2207 case IEEE80211_FC0_SUBTYPE_BEACON: 2208 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2209 vap->iv_opmode != IEEE80211_M_IBSS) { 2210 error = EINVAL; 2211 break; 2212 } 2213 error = setappie(&vap->iv_appie_beacon, ireq); 2214 if (error == 0) 2215 ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); 2216 break; 2217 case IEEE80211_FC0_SUBTYPE_PROBE_RESP: 2218 error = setappie(&vap->iv_appie_proberesp, ireq); 2219 break; 2220 case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: 2221 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2222 error = setappie(&vap->iv_appie_assocresp, ireq); 2223 else 2224 error = EINVAL; 2225 break; 2226 case IEEE80211_FC0_SUBTYPE_PROBE_REQ: 2227 error = setappie(&vap->iv_appie_probereq, ireq); 2228 break; 2229 case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: 2230 if (vap->iv_opmode == IEEE80211_M_STA) 2231 error = setappie(&vap->iv_appie_assocreq, ireq); 2232 else 2233 error = EINVAL; 2234 break; 2235 case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): 2236 error = setappie(&vap->iv_appie_wpa, ireq); 2237 if (error == 0) { 2238 /* 2239 * Must split single blob of data into separate 2240 * WPA and RSN ie's because they go in different 2241 * locations in the mgt frames. 2242 * XXX use IEEE80211_IOC_WPA2 so user code does split 2243 */ 2244 vap->iv_wpa_ie = NULL; 2245 vap->iv_rsn_ie = NULL; 2246 if (vap->iv_appie_wpa != NULL) { 2247 struct ieee80211_appie *appie = 2248 vap->iv_appie_wpa; 2249 uint8_t *data = appie->ie_data; 2250 2251 /* XXX ie length validate is painful, cheat */ 2252 setwparsnie(vap, data, appie->ie_len); 2253 setwparsnie(vap, data + 2 + data[1], 2254 appie->ie_len - (2 + data[1])); 2255 } 2256 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 2257 vap->iv_opmode == IEEE80211_M_IBSS) { 2258 /* 2259 * Must rebuild beacon frame as the update 2260 * mechanism doesn't handle WPA/RSN ie's. 2261 * Could extend it but it doesn't normally 2262 * change; this is just to deal with hostapd 2263 * plumbing the ie after the interface is up. 2264 */ 2265 error = ENETRESET; 2266 } 2267 } 2268 break; 2269 default: 2270 error = EINVAL; 2271 break; 2272 } 2273 return error; 2274 } 2275 2276 static __noinline int 2277 ieee80211_ioctl_setappie(struct ieee80211vap *vap, 2278 const struct ieee80211req *ireq) 2279 { 2280 struct ieee80211com *ic = vap->iv_ic; 2281 int error; 2282 uint8_t fc0; 2283 2284 fc0 = ireq->i_val & 0xff; 2285 if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) 2286 return EINVAL; 2287 /* NB: could check iv_opmode and reject but hardly worth the effort */ 2288 IEEE80211_LOCK(ic); 2289 error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); 2290 IEEE80211_UNLOCK(ic); 2291 return error; 2292 } 2293 2294 static __noinline int 2295 ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) 2296 { 2297 struct ieee80211com *ic = vap->iv_ic; 2298 struct ieee80211_chanswitch_req csr; 2299 struct ieee80211_channel *c; 2300 int error; 2301 2302 if (ireq->i_len != sizeof(csr)) 2303 return EINVAL; 2304 error = copyin(ireq->i_data, &csr, sizeof(csr)); 2305 if (error != 0) 2306 return error; 2307 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 2308 return EINVAL; 2309 c = ieee80211_find_channel(ic, 2310 csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); 2311 if (c == NULL) 2312 return ENOENT; 2313 IEEE80211_LOCK(ic); 2314 if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) 2315 ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); 2316 else 2317 error = EBUSY; 2318 IEEE80211_UNLOCK(ic); 2319 return error; 2320 } 2321 2322 static __noinline int 2323 ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) 2324 { 2325 #define IEEE80211_IOC_SCAN_FLAGS \ 2326 (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ 2327 IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ 2328 IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ 2329 IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ 2330 IEEE80211_IOC_SCAN_CHECK) 2331 struct ieee80211com *ic = vap->iv_ic; 2332 struct ieee80211_scan_req sr; /* XXX off stack? */ 2333 int error, i; 2334 2335 /* NB: parent must be running */ 2336 if ((ic->ic_ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) 2337 return ENXIO; 2338 2339 if (ireq->i_len != sizeof(sr)) 2340 return EINVAL; 2341 error = copyin(ireq->i_data, &sr, sizeof(sr)); 2342 if (error != 0) 2343 return error; 2344 /* convert duration */ 2345 if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER) 2346 sr.sr_duration = IEEE80211_SCAN_FOREVER; 2347 else { 2348 if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || 2349 sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) 2350 return EINVAL; 2351 sr.sr_duration = msecs_to_ticks(sr.sr_duration); 2352 if (sr.sr_duration < 1) 2353 sr.sr_duration = 1; 2354 } 2355 /* convert min/max channel dwell */ 2356 if (sr.sr_mindwell != 0) { 2357 sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell); 2358 if (sr.sr_mindwell < 1) 2359 sr.sr_mindwell = 1; 2360 } 2361 if (sr.sr_maxdwell != 0) { 2362 sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell); 2363 if (sr.sr_maxdwell < 1) 2364 sr.sr_maxdwell = 1; 2365 } 2366 /* NB: silently reduce ssid count to what is supported */ 2367 if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID) 2368 sr.sr_nssid = IEEE80211_SCAN_MAX_SSID; 2369 for (i = 0; i < sr.sr_nssid; i++) 2370 if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN) 2371 return EINVAL; 2372 /* cleanse flags just in case, could reject if invalid flags */ 2373 sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS; 2374 /* 2375 * Add an implicit NOPICK if the vap is not marked UP. This 2376 * allows applications to scan without joining a bss (or picking 2377 * a channel and setting up a bss) and without forcing manual 2378 * roaming mode--you just need to mark the parent device UP. 2379 */ 2380 if ((vap->iv_ifp->if_flags & IFF_UP) == 0) 2381 sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK; 2382 2383 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2384 "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", 2385 __func__, sr.sr_flags, 2386 (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", 2387 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid); 2388 /* 2389 * If we are in INIT state then the driver has never had a chance 2390 * to setup hardware state to do a scan; we must use the state 2391 * machine to get us up to the SCAN state but once we reach SCAN 2392 * state we then want to use the supplied params. Stash the 2393 * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the 2394 * state machines will recognize this and use the stashed params 2395 * to issue the scan request. 2396 * 2397 * Otherwise just invoke the scan machinery directly. 2398 */ 2399 IEEE80211_LOCK(ic); 2400 if (vap->iv_state == IEEE80211_S_INIT) { 2401 /* NB: clobbers previous settings */ 2402 vap->iv_scanreq_flags = sr.sr_flags; 2403 vap->iv_scanreq_duration = sr.sr_duration; 2404 vap->iv_scanreq_nssid = sr.sr_nssid; 2405 for (i = 0; i < sr.sr_nssid; i++) { 2406 vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len; 2407 memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid, 2408 sr.sr_ssid[i].len); 2409 } 2410 vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; 2411 IEEE80211_UNLOCK(ic); 2412 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2413 } else { 2414 vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; 2415 IEEE80211_UNLOCK(ic); 2416 /* XXX neeed error return codes */ 2417 if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) { 2418 (void) ieee80211_check_scan(vap, sr.sr_flags, 2419 sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, 2420 sr.sr_nssid, 2421 /* NB: cheat, we assume structures are compatible */ 2422 (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); 2423 } else { 2424 (void) ieee80211_start_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 } 2430 } 2431 return error; 2432 #undef IEEE80211_IOC_SCAN_FLAGS 2433 } 2434 2435 static __noinline int 2436 ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) 2437 { 2438 struct ieee80211_node *ni; 2439 struct ieee80211req_sta_vlan vlan; 2440 int error; 2441 2442 if (ireq->i_len != sizeof(vlan)) 2443 return EINVAL; 2444 error = copyin(ireq->i_data, &vlan, sizeof(vlan)); 2445 if (error != 0) 2446 return error; 2447 if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { 2448 ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, 2449 vlan.sv_macaddr); 2450 if (ni == NULL) 2451 return ENOENT; 2452 } else 2453 ni = ieee80211_ref_node(vap->iv_bss); 2454 ni->ni_vlan = vlan.sv_vlan; 2455 ieee80211_free_node(ni); 2456 return error; 2457 } 2458 2459 static int 2460 isvap11g(const struct ieee80211vap *vap) 2461 { 2462 const struct ieee80211_node *bss = vap->iv_bss; 2463 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2464 IEEE80211_IS_CHAN_ANYG(bss->ni_chan); 2465 } 2466 2467 static int 2468 isvapht(const struct ieee80211vap *vap) 2469 { 2470 const struct ieee80211_node *bss = vap->iv_bss; 2471 return bss->ni_chan != IEEE80211_CHAN_ANYC && 2472 IEEE80211_IS_CHAN_HT(bss->ni_chan); 2473 } 2474 2475 /* 2476 * Dummy ioctl set handler so the linker set is defined. 2477 */ 2478 static int 2479 dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) 2480 { 2481 return ENOSYS; 2482 } 2483 IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); 2484 2485 static int 2486 ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) 2487 { 2488 ieee80211_ioctl_setfunc * const *set; 2489 int error; 2490 2491 SET_FOREACH(set, ieee80211_ioctl_setset) { 2492 error = (*set)(vap, ireq); 2493 if (error != ENOSYS) 2494 return error; 2495 } 2496 return EINVAL; 2497 } 2498 2499 static __noinline int 2500 ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) 2501 { 2502 struct ieee80211com *ic = vap->iv_ic; 2503 int error; 2504 const struct ieee80211_authenticator *auth; 2505 uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 2506 char tmpssid[IEEE80211_NWID_LEN]; 2507 uint8_t tmpbssid[IEEE80211_ADDR_LEN]; 2508 struct ieee80211_key *k; 2509 u_int kid; 2510 uint32_t flags; 2511 2512 error = 0; 2513 switch (ireq->i_type) { 2514 case IEEE80211_IOC_SSID: 2515 if (ireq->i_val != 0 || 2516 ireq->i_len > IEEE80211_NWID_LEN) 2517 return EINVAL; 2518 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 2519 if (error) 2520 break; 2521 memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); 2522 vap->iv_des_ssid[0].len = ireq->i_len; 2523 memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); 2524 vap->iv_des_nssid = (ireq->i_len > 0); 2525 error = ENETRESET; 2526 break; 2527 case IEEE80211_IOC_WEP: 2528 switch (ireq->i_val) { 2529 case IEEE80211_WEP_OFF: 2530 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2531 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2532 break; 2533 case IEEE80211_WEP_ON: 2534 vap->iv_flags |= IEEE80211_F_PRIVACY; 2535 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2536 break; 2537 case IEEE80211_WEP_MIXED: 2538 vap->iv_flags |= IEEE80211_F_PRIVACY; 2539 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2540 break; 2541 } 2542 error = ENETRESET; 2543 break; 2544 case IEEE80211_IOC_WEPKEY: 2545 kid = (u_int) ireq->i_val; 2546 if (kid >= IEEE80211_WEP_NKID) 2547 return EINVAL; 2548 k = &vap->iv_nw_keys[kid]; 2549 if (ireq->i_len == 0) { 2550 /* zero-len =>'s delete any existing key */ 2551 (void) ieee80211_crypto_delkey(vap, k); 2552 break; 2553 } 2554 if (ireq->i_len > sizeof(tmpkey)) 2555 return EINVAL; 2556 memset(tmpkey, 0, sizeof(tmpkey)); 2557 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2558 if (error) 2559 break; 2560 ieee80211_key_update_begin(vap); 2561 k->wk_keyix = kid; /* NB: force fixed key id */ 2562 if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, 2563 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2564 k->wk_keylen = ireq->i_len; 2565 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2566 IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); 2567 if (!ieee80211_crypto_setkey(vap, k)) 2568 error = EINVAL; 2569 } else 2570 error = EINVAL; 2571 ieee80211_key_update_end(vap); 2572 break; 2573 case IEEE80211_IOC_WEPTXKEY: 2574 kid = (u_int) ireq->i_val; 2575 if (kid >= IEEE80211_WEP_NKID && 2576 (uint16_t) kid != IEEE80211_KEYIX_NONE) 2577 return EINVAL; 2578 vap->iv_def_txkey = kid; 2579 break; 2580 case IEEE80211_IOC_AUTHMODE: 2581 switch (ireq->i_val) { 2582 case IEEE80211_AUTH_WPA: 2583 case IEEE80211_AUTH_8021X: /* 802.1x */ 2584 case IEEE80211_AUTH_OPEN: /* open */ 2585 case IEEE80211_AUTH_SHARED: /* shared-key */ 2586 case IEEE80211_AUTH_AUTO: /* auto */ 2587 auth = ieee80211_authenticator_get(ireq->i_val); 2588 if (auth == NULL) 2589 return EINVAL; 2590 break; 2591 default: 2592 return EINVAL; 2593 } 2594 switch (ireq->i_val) { 2595 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2596 vap->iv_flags |= IEEE80211_F_PRIVACY; 2597 ireq->i_val = IEEE80211_AUTH_8021X; 2598 break; 2599 case IEEE80211_AUTH_OPEN: /* open */ 2600 vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2601 break; 2602 case IEEE80211_AUTH_SHARED: /* shared-key */ 2603 case IEEE80211_AUTH_8021X: /* 802.1x */ 2604 vap->iv_flags &= ~IEEE80211_F_WPA; 2605 /* both require a key so mark the PRIVACY capability */ 2606 vap->iv_flags |= IEEE80211_F_PRIVACY; 2607 break; 2608 case IEEE80211_AUTH_AUTO: /* auto */ 2609 vap->iv_flags &= ~IEEE80211_F_WPA; 2610 /* XXX PRIVACY handling? */ 2611 /* XXX what's the right way to do this? */ 2612 break; 2613 } 2614 /* NB: authenticator attach/detach happens on state change */ 2615 vap->iv_bss->ni_authmode = ireq->i_val; 2616 /* XXX mixed/mode/usage? */ 2617 vap->iv_auth = auth; 2618 error = ENETRESET; 2619 break; 2620 case IEEE80211_IOC_CHANNEL: 2621 error = ieee80211_ioctl_setchannel(vap, ireq); 2622 break; 2623 case IEEE80211_IOC_POWERSAVE: 2624 switch (ireq->i_val) { 2625 case IEEE80211_POWERSAVE_OFF: 2626 if (vap->iv_flags & IEEE80211_F_PMGTON) { 2627 ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); 2628 error = ERESTART; 2629 } 2630 break; 2631 case IEEE80211_POWERSAVE_ON: 2632 if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) 2633 error = EOPNOTSUPP; 2634 else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { 2635 ieee80211_syncflag(vap, IEEE80211_F_PMGTON); 2636 error = ERESTART; 2637 } 2638 break; 2639 default: 2640 error = EINVAL; 2641 break; 2642 } 2643 break; 2644 case IEEE80211_IOC_POWERSAVESLEEP: 2645 if (ireq->i_val < 0) 2646 return EINVAL; 2647 ic->ic_lintval = ireq->i_val; 2648 error = ERESTART; 2649 break; 2650 case IEEE80211_IOC_RTSTHRESHOLD: 2651 if (!(IEEE80211_RTS_MIN <= ireq->i_val && 2652 ireq->i_val <= IEEE80211_RTS_MAX)) 2653 return EINVAL; 2654 vap->iv_rtsthreshold = ireq->i_val; 2655 error = ERESTART; 2656 break; 2657 case IEEE80211_IOC_PROTMODE: 2658 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2659 return EINVAL; 2660 ic->ic_protmode = ireq->i_val; 2661 /* NB: if not operating in 11g this can wait */ 2662 if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && 2663 IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) 2664 error = ERESTART; 2665 break; 2666 case IEEE80211_IOC_TXPOWER: 2667 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2668 return EOPNOTSUPP; 2669 if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && 2670 ireq->i_val <= IEEE80211_TXPOWER_MAX)) 2671 return EINVAL; 2672 ic->ic_txpowlimit = ireq->i_val; 2673 error = ERESTART; 2674 break; 2675 case IEEE80211_IOC_ROAMING: 2676 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2677 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2678 return EINVAL; 2679 vap->iv_roaming = ireq->i_val; 2680 /* XXXX reset? */ 2681 break; 2682 case IEEE80211_IOC_PRIVACY: 2683 if (ireq->i_val) { 2684 /* XXX check for key state? */ 2685 vap->iv_flags |= IEEE80211_F_PRIVACY; 2686 } else 2687 vap->iv_flags &= ~IEEE80211_F_PRIVACY; 2688 /* XXX ERESTART? */ 2689 break; 2690 case IEEE80211_IOC_DROPUNENCRYPTED: 2691 if (ireq->i_val) 2692 vap->iv_flags |= IEEE80211_F_DROPUNENC; 2693 else 2694 vap->iv_flags &= ~IEEE80211_F_DROPUNENC; 2695 /* XXX ERESTART? */ 2696 break; 2697 case IEEE80211_IOC_WPAKEY: 2698 error = ieee80211_ioctl_setkey(vap, ireq); 2699 break; 2700 case IEEE80211_IOC_DELKEY: 2701 error = ieee80211_ioctl_delkey(vap, ireq); 2702 break; 2703 case IEEE80211_IOC_MLME: 2704 error = ieee80211_ioctl_setmlme(vap, ireq); 2705 break; 2706 case IEEE80211_IOC_COUNTERMEASURES: 2707 if (ireq->i_val) { 2708 if ((vap->iv_flags & IEEE80211_F_WPA) == 0) 2709 return EOPNOTSUPP; 2710 vap->iv_flags |= IEEE80211_F_COUNTERM; 2711 } else 2712 vap->iv_flags &= ~IEEE80211_F_COUNTERM; 2713 /* XXX ERESTART? */ 2714 break; 2715 case IEEE80211_IOC_WPA: 2716 if (ireq->i_val > 3) 2717 return EINVAL; 2718 /* XXX verify ciphers available */ 2719 flags = vap->iv_flags & ~IEEE80211_F_WPA; 2720 switch (ireq->i_val) { 2721 case 1: 2722 if (!(vap->iv_caps & IEEE80211_C_WPA1)) 2723 return EOPNOTSUPP; 2724 flags |= IEEE80211_F_WPA1; 2725 break; 2726 case 2: 2727 if (!(vap->iv_caps & IEEE80211_C_WPA2)) 2728 return EOPNOTSUPP; 2729 flags |= IEEE80211_F_WPA2; 2730 break; 2731 case 3: 2732 if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) 2733 return EOPNOTSUPP; 2734 flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2735 break; 2736 default: /* Can't set any -> error */ 2737 return EOPNOTSUPP; 2738 } 2739 vap->iv_flags = flags; 2740 error = ERESTART; /* NB: can change beacon frame */ 2741 break; 2742 case IEEE80211_IOC_WME: 2743 if (ireq->i_val) { 2744 if ((vap->iv_caps & IEEE80211_C_WME) == 0) 2745 return EOPNOTSUPP; 2746 ieee80211_syncflag(vap, IEEE80211_F_WME); 2747 } else 2748 ieee80211_syncflag(vap, -IEEE80211_F_WME); 2749 error = ERESTART; /* NB: can change beacon frame */ 2750 break; 2751 case IEEE80211_IOC_HIDESSID: 2752 if (ireq->i_val) 2753 vap->iv_flags |= IEEE80211_F_HIDESSID; 2754 else 2755 vap->iv_flags &= ~IEEE80211_F_HIDESSID; 2756 error = ERESTART; /* XXX ENETRESET? */ 2757 break; 2758 case IEEE80211_IOC_APBRIDGE: 2759 if (ireq->i_val == 0) 2760 vap->iv_flags |= IEEE80211_F_NOBRIDGE; 2761 else 2762 vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; 2763 break; 2764 case IEEE80211_IOC_BSSID: 2765 if (ireq->i_len != sizeof(tmpbssid)) 2766 return EINVAL; 2767 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2768 if (error) 2769 break; 2770 IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); 2771 if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) 2772 vap->iv_flags &= ~IEEE80211_F_DESBSSID; 2773 else 2774 vap->iv_flags |= IEEE80211_F_DESBSSID; 2775 error = ENETRESET; 2776 break; 2777 case IEEE80211_IOC_CHANLIST: 2778 error = ieee80211_ioctl_setchanlist(vap, ireq); 2779 break; 2780 #define OLD_IEEE80211_IOC_SCAN_REQ 23 2781 #ifdef OLD_IEEE80211_IOC_SCAN_REQ 2782 case OLD_IEEE80211_IOC_SCAN_REQ: 2783 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2784 "%s: active scan request\n", __func__); 2785 /* 2786 * If we are in INIT state then the driver has never 2787 * had a chance to setup hardware state to do a scan; 2788 * use the state machine to get us up the SCAN state. 2789 * Otherwise just invoke the scan machinery to start 2790 * a one-time scan. 2791 */ 2792 if (vap->iv_state == IEEE80211_S_INIT) 2793 ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); 2794 else 2795 (void) ieee80211_start_scan(vap, 2796 IEEE80211_SCAN_ACTIVE | 2797 IEEE80211_SCAN_NOPICK | 2798 IEEE80211_SCAN_ONCE, 2799 IEEE80211_SCAN_FOREVER, 0, 0, 2800 /* XXX use ioctl params */ 2801 vap->iv_des_nssid, vap->iv_des_ssid); 2802 break; 2803 #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ 2804 case IEEE80211_IOC_SCAN_REQ: 2805 error = ieee80211_ioctl_scanreq(vap, ireq); 2806 break; 2807 case IEEE80211_IOC_SCAN_CANCEL: 2808 IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, 2809 "%s: cancel scan\n", __func__); 2810 ieee80211_cancel_scan(vap); 2811 break; 2812 case IEEE80211_IOC_HTCONF: 2813 if (ireq->i_val & 1) 2814 ieee80211_syncflag_ext(vap, IEEE80211_FEXT_HT); 2815 else 2816 ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_HT); 2817 if (ireq->i_val & 2) 2818 ieee80211_syncflag_ext(vap, IEEE80211_FEXT_USEHT40); 2819 else 2820 ieee80211_syncflag_ext(vap, -IEEE80211_FEXT_USEHT40); 2821 error = ENETRESET; 2822 break; 2823 case IEEE80211_IOC_ADDMAC: 2824 case IEEE80211_IOC_DELMAC: 2825 error = ieee80211_ioctl_macmac(vap, ireq); 2826 break; 2827 case IEEE80211_IOC_MACCMD: 2828 error = ieee80211_ioctl_setmaccmd(vap, ireq); 2829 break; 2830 case IEEE80211_IOC_STA_STATS: 2831 error = ieee80211_ioctl_setstastats(vap, ireq); 2832 break; 2833 case IEEE80211_IOC_STA_TXPOW: 2834 error = ieee80211_ioctl_setstatxpow(vap, ireq); 2835 break; 2836 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2837 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2838 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2839 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2840 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2841 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2842 error = ieee80211_ioctl_setwmeparam(vap, ireq); 2843 break; 2844 case IEEE80211_IOC_DTIM_PERIOD: 2845 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2846 vap->iv_opmode != IEEE80211_M_IBSS) 2847 return EINVAL; 2848 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2849 ireq->i_val <= IEEE80211_DTIM_MAX) { 2850 vap->iv_dtim_period = ireq->i_val; 2851 error = ENETRESET; /* requires restart */ 2852 } else 2853 error = EINVAL; 2854 break; 2855 case IEEE80211_IOC_BEACON_INTERVAL: 2856 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 2857 vap->iv_opmode != IEEE80211_M_IBSS) 2858 return EINVAL; 2859 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2860 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2861 ic->ic_bintval = ireq->i_val; 2862 error = ENETRESET; /* requires restart */ 2863 } else 2864 error = EINVAL; 2865 break; 2866 case IEEE80211_IOC_PUREG: 2867 if (ireq->i_val) 2868 vap->iv_flags |= IEEE80211_F_PUREG; 2869 else 2870 vap->iv_flags &= ~IEEE80211_F_PUREG; 2871 /* NB: reset only if we're operating on an 11g channel */ 2872 if (isvap11g(vap)) 2873 error = ENETRESET; 2874 break; 2875 case IEEE80211_IOC_BGSCAN: 2876 if (ireq->i_val) { 2877 if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) 2878 return EOPNOTSUPP; 2879 vap->iv_flags |= IEEE80211_F_BGSCAN; 2880 } else 2881 vap->iv_flags &= ~IEEE80211_F_BGSCAN; 2882 break; 2883 case IEEE80211_IOC_BGSCAN_IDLE: 2884 if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) 2885 vap->iv_bgscanidle = ireq->i_val*hz/1000; 2886 else 2887 error = EINVAL; 2888 break; 2889 case IEEE80211_IOC_BGSCAN_INTERVAL: 2890 if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) 2891 vap->iv_bgscanintvl = ireq->i_val*hz; 2892 else 2893 error = EINVAL; 2894 break; 2895 case IEEE80211_IOC_SCANVALID: 2896 if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) 2897 vap->iv_scanvalid = ireq->i_val*hz; 2898 else 2899 error = EINVAL; 2900 break; 2901 case IEEE80211_IOC_FRAGTHRESHOLD: 2902 if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && 2903 ireq->i_val != IEEE80211_FRAG_MAX) 2904 return EOPNOTSUPP; 2905 if (!(IEEE80211_FRAG_MIN <= ireq->i_val && 2906 ireq->i_val <= IEEE80211_FRAG_MAX)) 2907 return EINVAL; 2908 vap->iv_fragthreshold = ireq->i_val; 2909 error = ERESTART; 2910 break; 2911 case IEEE80211_IOC_BURST: 2912 if (ireq->i_val) { 2913 if ((vap->iv_caps & IEEE80211_C_BURST) == 0) 2914 return EOPNOTSUPP; 2915 ieee80211_syncflag(vap, IEEE80211_F_BURST); 2916 } else 2917 ieee80211_syncflag(vap, -IEEE80211_F_BURST); 2918 error = ERESTART; 2919 break; 2920 case IEEE80211_IOC_BMISSTHRESHOLD: 2921 if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && 2922 ireq->i_val <= IEEE80211_HWBMISS_MAX)) 2923 return EINVAL; 2924 vap->iv_bmissthreshold = ireq->i_val; 2925 error = ERESTART; 2926 break; 2927 case IEEE80211_IOC_CURCHAN: 2928 error = ieee80211_ioctl_setcurchan(vap, ireq); 2929 break; 2930 case IEEE80211_IOC_SHORTGI: 2931 if (ireq->i_val) { 2932 #define IEEE80211_HTCAP_SHORTGI \ 2933 (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) 2934 if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) 2935 return EINVAL; 2936 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) 2937 vap->iv_flags_ext |= IEEE80211_FEXT_SHORTGI20; 2938 if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) 2939 vap->iv_flags_ext |= IEEE80211_FEXT_SHORTGI40; 2940 #undef IEEE80211_HTCAP_SHORTGI 2941 } else 2942 vap->iv_flags_ext &= 2943 ~(IEEE80211_FEXT_SHORTGI20 | IEEE80211_FEXT_SHORTGI40); 2944 error = ERESTART; 2945 break; 2946 case IEEE80211_IOC_AMPDU: 2947 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) 2948 return EINVAL; 2949 if (ireq->i_val & 1) 2950 vap->iv_flags_ext |= IEEE80211_FEXT_AMPDU_TX; 2951 else 2952 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMPDU_TX; 2953 if (ireq->i_val & 2) 2954 vap->iv_flags_ext |= IEEE80211_FEXT_AMPDU_RX; 2955 else 2956 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMPDU_RX; 2957 /* NB: reset only if we're operating on an 11n channel */ 2958 if (isvapht(vap)) 2959 error = ERESTART; 2960 break; 2961 case IEEE80211_IOC_AMPDU_LIMIT: 2962 if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && 2963 ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) 2964 return EINVAL; 2965 if (vap->iv_opmode == IEEE80211_M_HOSTAP) 2966 vap->iv_ampdu_rxmax = ireq->i_val; 2967 else 2968 vap->iv_ampdu_limit = ireq->i_val; 2969 error = ERESTART; 2970 break; 2971 case IEEE80211_IOC_AMPDU_DENSITY: 2972 if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && 2973 ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) 2974 return EINVAL; 2975 vap->iv_ampdu_density = ireq->i_val; 2976 error = ERESTART; 2977 break; 2978 case IEEE80211_IOC_AMSDU: 2979 if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) 2980 return EINVAL; 2981 if (ireq->i_val & 1) 2982 vap->iv_flags_ext |= IEEE80211_FEXT_AMSDU_TX; 2983 else 2984 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMSDU_TX; 2985 if (ireq->i_val & 2) 2986 vap->iv_flags_ext |= IEEE80211_FEXT_AMSDU_RX; 2987 else 2988 vap->iv_flags_ext &= ~IEEE80211_FEXT_AMSDU_RX; 2989 /* NB: reset only if we're operating on an 11n channel */ 2990 if (isvapht(vap)) 2991 error = ERESTART; 2992 break; 2993 case IEEE80211_IOC_AMSDU_LIMIT: 2994 /* XXX validate */ 2995 vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ 2996 break; 2997 case IEEE80211_IOC_PUREN: 2998 if (ireq->i_val) { 2999 if ((vap->iv_flags_ext & IEEE80211_FEXT_HT) == 0) 3000 return EINVAL; 3001 vap->iv_flags_ext |= IEEE80211_FEXT_PUREN; 3002 } else 3003 vap->iv_flags_ext &= ~IEEE80211_FEXT_PUREN; 3004 /* NB: reset only if we're operating on an 11n channel */ 3005 if (isvapht(vap)) 3006 error = ERESTART; 3007 break; 3008 case IEEE80211_IOC_DOTH: 3009 if (ireq->i_val) { 3010 #if 0 3011 /* XXX no capability */ 3012 if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) 3013 return EOPNOTSUPP; 3014 #endif 3015 vap->iv_flags |= IEEE80211_F_DOTH; 3016 } else 3017 vap->iv_flags &= ~IEEE80211_F_DOTH; 3018 error = ENETRESET; 3019 break; 3020 case IEEE80211_IOC_REGDOMAIN: 3021 error = ieee80211_ioctl_setregdomain(vap, ireq); 3022 break; 3023 case IEEE80211_IOC_ROAM: 3024 error = ieee80211_ioctl_setroam(vap, ireq); 3025 break; 3026 case IEEE80211_IOC_TXPARAMS: 3027 error = ieee80211_ioctl_settxparams(vap, ireq); 3028 break; 3029 case IEEE80211_IOC_HTCOMPAT: 3030 if (ireq->i_val) { 3031 if ((vap->iv_flags_ext & IEEE80211_FEXT_HT) == 0) 3032 return EOPNOTSUPP; 3033 vap->iv_flags_ext |= IEEE80211_FEXT_HTCOMPAT; 3034 } else 3035 vap->iv_flags_ext &= ~IEEE80211_FEXT_HTCOMPAT; 3036 /* NB: reset only if we're operating on an 11n channel */ 3037 if (isvapht(vap)) 3038 error = ERESTART; 3039 break; 3040 case IEEE80211_IOC_DWDS: 3041 if (ireq->i_val) { 3042 /* NB: DWDS only makes sense for WDS-capable devices */ 3043 if ((ic->ic_caps & IEEE80211_C_WDS) == 0) 3044 return EOPNOTSUPP; 3045 /* NB: DWDS is used only with ap+sta vaps */ 3046 if (vap->iv_opmode != IEEE80211_M_HOSTAP && 3047 vap->iv_opmode != IEEE80211_M_STA) 3048 return EINVAL; 3049 vap->iv_flags |= IEEE80211_F_DWDS; 3050 if (vap->iv_opmode == IEEE80211_M_STA) 3051 vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; 3052 } else { 3053 vap->iv_flags &= ~IEEE80211_F_DWDS; 3054 if (vap->iv_opmode == IEEE80211_M_STA) 3055 vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; 3056 } 3057 break; 3058 case IEEE80211_IOC_INACTIVITY: 3059 if (ireq->i_val) 3060 vap->iv_flags_ext |= IEEE80211_FEXT_INACT; 3061 else 3062 vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; 3063 break; 3064 case IEEE80211_IOC_APPIE: 3065 error = ieee80211_ioctl_setappie(vap, ireq); 3066 break; 3067 case IEEE80211_IOC_WPS: 3068 if (ireq->i_val) { 3069 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3070 return EOPNOTSUPP; 3071 vap->iv_flags_ext |= IEEE80211_FEXT_WPS; 3072 } else 3073 vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; 3074 break; 3075 case IEEE80211_IOC_TSN: 3076 if (ireq->i_val) { 3077 if ((vap->iv_caps & IEEE80211_C_WPA) == 0) 3078 return EOPNOTSUPP; 3079 vap->iv_flags_ext |= IEEE80211_FEXT_TSN; 3080 } else 3081 vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; 3082 break; 3083 case IEEE80211_IOC_CHANSWITCH: 3084 error = ieee80211_ioctl_chanswitch(vap, ireq); 3085 break; 3086 case IEEE80211_IOC_DFS: 3087 if (ireq->i_val) { 3088 if ((vap->iv_caps & IEEE80211_C_DFS) == 0) 3089 return EOPNOTSUPP; 3090 /* NB: DFS requires 11h support */ 3091 if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) 3092 return EINVAL; 3093 vap->iv_flags_ext |= IEEE80211_FEXT_DFS; 3094 } else 3095 vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; 3096 break; 3097 case IEEE80211_IOC_DOTD: 3098 if (ireq->i_val) 3099 vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; 3100 else 3101 vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; 3102 if (vap->iv_opmode == IEEE80211_M_STA) 3103 error = ENETRESET; 3104 break; 3105 case IEEE80211_IOC_HTPROTMODE: 3106 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 3107 return EINVAL; 3108 ic->ic_htprotmode = ireq->i_val ? 3109 IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; 3110 /* NB: if not operating in 11n this can wait */ 3111 if (isvapht(vap)) 3112 error = ERESTART; 3113 break; 3114 case IEEE80211_IOC_STA_VLAN: 3115 error = ieee80211_ioctl_setstavlan(vap, ireq); 3116 break; 3117 case IEEE80211_IOC_SMPS: 3118 if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || 3119 ireq->i_val == 0x0008) /* value of 2 is reserved */ 3120 return EINVAL; 3121 if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && 3122 (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) 3123 return EOPNOTSUPP; 3124 vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | 3125 ireq->i_val; 3126 /* NB: if not operating in 11n this can wait */ 3127 if (isvapht(vap)) 3128 error = ERESTART; 3129 break; 3130 case IEEE80211_IOC_RIFS: 3131 if (ireq->i_val != 0) { 3132 if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) 3133 return EOPNOTSUPP; 3134 vap->iv_flags_ext |= IEEE80211_FEXT_RIFS; 3135 } else 3136 vap->iv_flags_ext &= ~IEEE80211_FEXT_RIFS; 3137 /* NB: if not operating in 11n this can wait */ 3138 if (isvapht(vap)) 3139 error = ERESTART; 3140 break; 3141 default: 3142 error = ieee80211_ioctl_setdefault(vap, ireq); 3143 break; 3144 } 3145 /* 3146 * The convention is that ENETRESET means an operation 3147 * requires a complete re-initialization of the device (e.g. 3148 * changing something that affects the association state). 3149 * ERESTART means the request may be handled with only a 3150 * reload of the hardware state. We hand ERESTART requests 3151 * to the iv_reset callback so the driver can decide. If 3152 * a device does not fillin iv_reset then it defaults to one 3153 * that returns ENETRESET. Otherwise a driver may return 3154 * ENETRESET (in which case a full reset will be done) or 3155 * 0 to mean there's no need to do anything (e.g. when the 3156 * change has no effect on the driver/device). 3157 */ 3158 if (error == ERESTART) 3159 error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? 3160 vap->iv_reset(vap, ireq->i_type) : 0; 3161 if (error == ENETRESET) { 3162 /* XXX need to re-think AUTO handling */ 3163 if (IS_UP_AUTO(vap)) 3164 ieee80211_init(vap); 3165 error = 0; 3166 } 3167 return error; 3168 } 3169 3170 /* 3171 * Rebuild the parent's multicast address list after an add/del 3172 * of a multicast address for a vap. We have no way to tell 3173 * what happened above to optimize the work so we purge the entire 3174 * list and rebuild from scratch. This is way expensive. 3175 * Note also the half-baked workaround for if_addmulti calling 3176 * back to the parent device; there's no way to insert mcast 3177 * entries quietly and/or cheaply. 3178 */ 3179 static void 3180 ieee80211_ioctl_updatemulti(struct ieee80211com *ic) 3181 { 3182 struct ifnet *parent = ic->ic_ifp; 3183 struct ieee80211vap *vap; 3184 void *ioctl; 3185 3186 IEEE80211_LOCK(ic); 3187 if_purgemaddrs(parent); 3188 ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ 3189 parent->if_ioctl = NULL; 3190 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { 3191 struct ifnet *ifp = vap->iv_ifp; 3192 struct ifmultiaddr *ifma; 3193 3194 TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) 3195 (void) if_addmulti(parent, ifma->ifma_addr, NULL); 3196 } 3197 parent->if_ioctl = ioctl; 3198 ieee80211_runtask(ic, &ic->ic_mcast_task); 3199 IEEE80211_UNLOCK(ic); 3200 } 3201 3202 int 3203 ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data) 3204 { 3205 struct ieee80211vap *vap; 3206 struct ieee80211com *ic; 3207 int error = 0; 3208 struct ifreq *ifr; 3209 struct ifaddr *ifa; /* XXX */ 3210 3211 vap = ifp->if_softc; 3212 if (vap == NULL) { 3213 /* 3214 * During detach we clear the backpointer in the softc 3215 * so any ioctl request through the ifnet that arrives 3216 * before teardown is ignored/rejected. In particular 3217 * this hack handles destroying a vap used by an app 3218 * like wpa_supplicant that will respond to the vap 3219 * being forced into INIT state by immediately trying 3220 * to force it back up. We can yank this hack if/when 3221 * we can destroy the ifnet before cleaning up vap state. 3222 */ 3223 return ENXIO; 3224 } 3225 switch (cmd) { 3226 case SIOCSIFFLAGS: 3227 ic = vap->iv_ic; 3228 IEEE80211_LOCK(ic); 3229 ieee80211_syncifflag_locked(ic, IFF_PROMISC); 3230 ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); 3231 if (ifp->if_flags & IFF_UP) { 3232 /* 3233 * Bring ourself up unless we're already operational. 3234 * If we're the first vap and the parent is not up 3235 * then it will automatically be brought up as a 3236 * side-effect of bringing ourself up. 3237 */ 3238 if (vap->iv_state == IEEE80211_S_INIT) 3239 ieee80211_start_locked(vap); 3240 } else if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 3241 /* 3242 * Stop ourself. If we are the last vap to be 3243 * marked down the parent will also be taken down. 3244 */ 3245 ieee80211_stop_locked(vap); 3246 } 3247 IEEE80211_UNLOCK(ic); 3248 /* Wait for parent ioctl handler if it was queued */ 3249 ieee80211_waitfor_parent(ic); 3250 break; 3251 case SIOCADDMULTI: 3252 case SIOCDELMULTI: 3253 ieee80211_ioctl_updatemulti(vap->iv_ic); 3254 break; 3255 case SIOCSIFMEDIA: 3256 case SIOCGIFMEDIA: 3257 ifr = (struct ifreq *)data; 3258 error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); 3259 break; 3260 case SIOCG80211: 3261 error = ieee80211_ioctl_get80211(vap, cmd, 3262 (struct ieee80211req *) data); 3263 break; 3264 case SIOCS80211: 3265 error = priv_check(curthread, PRIV_NET80211_MANAGE); 3266 if (error == 0) 3267 error = ieee80211_ioctl_set80211(vap, cmd, 3268 (struct ieee80211req *) data); 3269 break; 3270 case SIOCG80211STATS: 3271 ifr = (struct ifreq *)data; 3272 copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); 3273 break; 3274 case SIOCSIFMTU: 3275 ifr = (struct ifreq *)data; 3276 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 3277 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 3278 error = EINVAL; 3279 else 3280 ifp->if_mtu = ifr->ifr_mtu; 3281 break; 3282 case SIOCSIFADDR: 3283 /* 3284 * XXX Handle this directly so we can supress if_init calls. 3285 * XXX This should be done in ether_ioctl but for the moment 3286 * XXX there are too many other parts of the system that 3287 * XXX set IFF_UP and so supress if_init being called when 3288 * XXX it should be. 3289 */ 3290 ifa = (struct ifaddr *) data; 3291 switch (ifa->ifa_addr->sa_family) { 3292 #ifdef INET 3293 case AF_INET: 3294 if ((ifp->if_flags & IFF_UP) == 0) { 3295 ifp->if_flags |= IFF_UP; 3296 ifp->if_init(ifp->if_softc); 3297 } 3298 arp_ifinit(ifp, ifa); 3299 break; 3300 #endif 3301 #ifdef IPX 3302 /* 3303 * XXX - This code is probably wrong, 3304 * but has been copied many times. 3305 */ 3306 case AF_IPX: { 3307 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 3308 3309 if (ipx_nullhost(*ina)) 3310 ina->x_host = *(union ipx_host *) 3311 IF_LLADDR(ifp); 3312 else 3313 bcopy((caddr_t) ina->x_host.c_host, 3314 (caddr_t) IF_LLADDR(ifp), 3315 ETHER_ADDR_LEN); 3316 /* fall thru... */ 3317 } 3318 #endif 3319 default: 3320 if ((ifp->if_flags & IFF_UP) == 0) { 3321 ifp->if_flags |= IFF_UP; 3322 ifp->if_init(ifp->if_softc); 3323 } 3324 break; 3325 } 3326 break; 3327 /* Pass NDIS ioctls up to the driver */ 3328 case SIOCGDRVSPEC: 3329 case SIOCSDRVSPEC: 3330 case SIOCGPRIVATE_0: { 3331 struct ifnet *parent = vap->iv_ic->ic_ifp; 3332 error = parent->if_ioctl(parent, cmd, data); 3333 break; 3334 } 3335 default: 3336 error = ether_ioctl(ifp, cmd, data); 3337 break; 3338 } 3339 return error; 3340 } 3341