ieee80211_ioctl.c revision 1.25
1 /* $NetBSD: ieee80211_ioctl.c,v 1.25 2005/07/27 20:31:24 dyoung Exp $ */ 2 /*- 3 * Copyright (c) 2001 Atsushi Onoe 4 * Copyright (c) 2002-2005 Sam Leffler, Errno Consulting 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. The name of the author may not be used to endorse or promote products 16 * derived from this software without specific prior written permission. 17 * 18 * Alternatively, this software may be distributed under the terms of the 19 * GNU General Public License ("GPL") version 2 as published by the Free 20 * Software Foundation. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <sys/cdefs.h> 35 #ifdef __FreeBSD__ 36 __FBSDID("$FreeBSD: src/sys/net80211/ieee80211_ioctl.c,v 1.25 2005/07/06 15:38:27 sam Exp $"); 37 #endif 38 #ifdef __NetBSD__ 39 __KERNEL_RCSID(0, "$NetBSD: ieee80211_ioctl.c,v 1.25 2005/07/27 20:31:24 dyoung Exp $"); 40 #endif 41 42 /* 43 * IEEE 802.11 ioctl support (FreeBSD-specific) 44 */ 45 46 #include "opt_inet.h" 47 48 #include <sys/endian.h> 49 #include <sys/param.h> 50 #include <sys/kernel.h> 51 #include <sys/socket.h> 52 #include <sys/sockio.h> 53 #include <sys/systm.h> 54 #include <sys/proc.h> 55 56 #include <net/if.h> 57 #include <net/if_arp.h> 58 #include <net/if_media.h> 59 #include <net/if_ether.h> 60 61 #ifdef INET 62 #include <netinet/in.h> 63 #include <netinet/if_inarp.h> 64 #endif 65 66 #include <net80211/ieee80211_var.h> 67 #include <net80211/ieee80211_ioctl.h> 68 69 #include <dev/ic/wi_ieee.h> 70 71 #define IS_UP(_ic) \ 72 (((_ic)->ic_ifp->if_flags & (IFF_RUNNING|IFF_UP)) == (IFF_RUNNING|IFF_UP)) 73 #define IS_UP_AUTO(_ic) \ 74 (IS_UP(_ic) && (_ic)->ic_roaming == IEEE80211_ROAMING_AUTO) 75 76 /* 77 * XXX 78 * Wireless LAN specific configuration interface, which is compatible 79 * with wicontrol(8). 80 */ 81 82 struct wi_read_ap_args { 83 int i; /* result count */ 84 struct wi_apinfo *ap; /* current entry in result buffer */ 85 caddr_t max; /* result buffer bound */ 86 }; 87 88 static void 89 wi_read_ap_result(void *arg, struct ieee80211_node *ni) 90 { 91 struct ieee80211com *ic = ni->ni_ic; 92 struct wi_read_ap_args *sa = arg; 93 struct wi_apinfo *ap = sa->ap; 94 struct ieee80211_rateset *rs; 95 int j; 96 97 if ((caddr_t)(ap + 1) > sa->max) 98 return; 99 memset(ap, 0, sizeof(struct wi_apinfo)); 100 if (ic->ic_opmode == IEEE80211_M_HOSTAP) { 101 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_macaddr); 102 ap->namelen = ic->ic_des_esslen; 103 if (ic->ic_des_esslen) 104 memcpy(ap->name, ic->ic_des_essid, 105 ic->ic_des_esslen); 106 } else { 107 IEEE80211_ADDR_COPY(ap->bssid, ni->ni_bssid); 108 ap->namelen = ni->ni_esslen; 109 if (ni->ni_esslen) 110 memcpy(ap->name, ni->ni_essid, 111 ni->ni_esslen); 112 } 113 ap->channel = ieee80211_chan2ieee(ic, ni->ni_chan); 114 ap->signal = ic->ic_node_getrssi(ni); 115 ap->capinfo = ni->ni_capinfo; 116 ap->interval = ni->ni_intval; 117 rs = &ni->ni_rates; 118 for (j = 0; j < rs->rs_nrates; j++) { 119 if (rs->rs_rates[j] & IEEE80211_RATE_BASIC) { 120 ap->rate = (rs->rs_rates[j] & 121 IEEE80211_RATE_VAL) * 5; /* XXX */ 122 } 123 } 124 sa->i++; 125 sa->ap++; 126 } 127 128 struct wi_read_prism2_args { 129 int i; /* result count */ 130 struct wi_scan_res *res;/* current entry in result buffer */ 131 caddr_t max; /* result buffer bound */ 132 }; 133 134 #if 0 135 static void 136 wi_read_prism2_result(void *arg, struct ieee80211_node *ni) 137 { 138 struct ieee80211com *ic = ni->ni_ic; 139 struct wi_read_prism2_args *sa = arg; 140 struct wi_scan_res *res = sa->res; 141 142 if ((caddr_t)(res + 1) > sa->max) 143 return; 144 res->wi_chan = ieee80211_chan2ieee(ic, ni->ni_chan); 145 res->wi_noise = 0; 146 res->wi_signal = ic->ic_node_getrssi(ni); 147 IEEE80211_ADDR_COPY(res->wi_bssid, ni->ni_bssid); 148 res->wi_interval = ni->ni_intval; 149 res->wi_capinfo = ni->ni_capinfo; 150 res->wi_ssid_len = ni->ni_esslen; 151 memcpy(res->wi_ssid, ni->ni_essid, IEEE80211_NWID_LEN); 152 /* NB: assumes wi_srates holds <= ni->ni_rates */ 153 memcpy(res->wi_srates, ni->ni_rates.rs_rates, 154 sizeof(res->wi_srates)); 155 if (ni->ni_rates.rs_nrates < 10) 156 res->wi_srates[ni->ni_rates.rs_nrates] = 0; 157 res->wi_rate = ni->ni_rates.rs_rates[ni->ni_txrate]; 158 res->wi_rsvd = 0; 159 160 sa->i++; 161 sa->res++; 162 } 163 164 struct wi_read_sigcache_args { 165 int i; /* result count */ 166 struct wi_sigcache *wsc;/* current entry in result buffer */ 167 caddr_t max; /* result buffer bound */ 168 }; 169 170 static void 171 wi_read_sigcache(void *arg, struct ieee80211_node *ni) 172 { 173 struct ieee80211com *ic = ni->ni_ic; 174 struct wi_read_sigcache_args *sa = arg; 175 struct wi_sigcache *wsc = sa->wsc; 176 177 if ((caddr_t)(wsc + 1) > sa->max) 178 return; 179 memset(wsc, 0, sizeof(struct wi_sigcache)); 180 IEEE80211_ADDR_COPY(wsc->macsrc, ni->ni_macaddr); 181 wsc->signal = ic->ic_node_getrssi(ni); 182 183 sa->wsc++; 184 sa->i++; 185 } 186 #endif 187 188 int 189 ieee80211_cfgget(struct ieee80211com *ic, u_long cmd, caddr_t data) 190 { 191 struct ifnet *ifp = ic->ic_ifp; 192 int i, j, error; 193 struct ifreq *ifr = (struct ifreq *)data; 194 struct wi_req wreq; 195 struct wi_ltv_keys *keys; 196 197 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 198 if (error) 199 return error; 200 wreq.wi_len = 0; 201 switch (wreq.wi_type) { 202 case WI_RID_SERIALNO: 203 case WI_RID_STA_IDENTITY: 204 /* nothing appropriate */ 205 break; 206 case WI_RID_NODENAME: 207 strlcpy((char *)&wreq.wi_val[1], hostname, 208 sizeof(wreq.wi_val) - sizeof(wreq.wi_val[0])); 209 wreq.wi_val[0] = htole16(strlen(hostname)); 210 wreq.wi_len = (1 + strlen(hostname) + 1) / 2; 211 break; 212 case WI_RID_CURRENT_SSID: 213 if (ic->ic_state != IEEE80211_S_RUN) { 214 wreq.wi_val[0] = 0; 215 wreq.wi_len = 1; 216 break; 217 } 218 wreq.wi_val[0] = htole16(ic->ic_bss->ni_esslen); 219 memcpy(&wreq.wi_val[1], ic->ic_bss->ni_essid, 220 ic->ic_bss->ni_esslen); 221 wreq.wi_len = (1 + ic->ic_bss->ni_esslen + 1) / 2; 222 break; 223 case WI_RID_OWN_SSID: 224 case WI_RID_DESIRED_SSID: 225 wreq.wi_val[0] = htole16(ic->ic_des_esslen); 226 memcpy(&wreq.wi_val[1], ic->ic_des_essid, ic->ic_des_esslen); 227 wreq.wi_len = (1 + ic->ic_des_esslen + 1) / 2; 228 break; 229 case WI_RID_CURRENT_BSSID: 230 if (ic->ic_state == IEEE80211_S_RUN) 231 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_bss->ni_bssid); 232 else 233 memset(wreq.wi_val, 0, IEEE80211_ADDR_LEN); 234 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 235 break; 236 case WI_RID_CHANNEL_LIST: 237 memset(wreq.wi_val, 0, sizeof(wreq.wi_val)); 238 /* 239 * Since channel 0 is not available for DS, channel 1 240 * is assigned to LSB on WaveLAN. 241 */ 242 if (ic->ic_phytype == IEEE80211_T_DS) 243 i = 1; 244 else 245 i = 0; 246 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) 247 if (isset(ic->ic_chan_active, i)) { 248 setbit((u_int8_t *)wreq.wi_val, j); 249 wreq.wi_len = j / 16 + 1; 250 } 251 break; 252 case WI_RID_OWN_CHNL: 253 wreq.wi_val[0] = htole16( 254 ieee80211_chan2ieee(ic, ic->ic_ibss_chan)); 255 wreq.wi_len = 1; 256 break; 257 case WI_RID_CURRENT_CHAN: 258 wreq.wi_val[0] = htole16( 259 ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan)); 260 wreq.wi_len = 1; 261 break; 262 case WI_RID_COMMS_QUALITY: 263 wreq.wi_val[0] = 0; /* quality */ 264 wreq.wi_val[1] = htole16(ic->ic_node_getrssi(ic->ic_bss)); 265 wreq.wi_val[2] = 0; /* noise */ 266 wreq.wi_len = 3; 267 break; 268 case WI_RID_PROMISC: 269 wreq.wi_val[0] = htole16((ifp->if_flags & IFF_PROMISC) ? 1 : 0); 270 wreq.wi_len = 1; 271 break; 272 case WI_RID_PORTTYPE: 273 wreq.wi_val[0] = htole16(ic->ic_opmode); 274 wreq.wi_len = 1; 275 break; 276 case WI_RID_MAC_NODE: 277 IEEE80211_ADDR_COPY(wreq.wi_val, ic->ic_myaddr); 278 wreq.wi_len = IEEE80211_ADDR_LEN / 2; 279 break; 280 case WI_RID_TX_RATE: 281 if (ic->ic_fixed_rate == -1) 282 wreq.wi_val[0] = 0; /* auto */ 283 else 284 wreq.wi_val[0] = htole16( 285 (ic->ic_sup_rates[ic->ic_curmode].rs_rates[ic->ic_fixed_rate] & 286 IEEE80211_RATE_VAL) / 2); 287 wreq.wi_len = 1; 288 break; 289 case WI_RID_CUR_TX_RATE: 290 wreq.wi_val[0] = htole16( 291 (ic->ic_bss->ni_rates.rs_rates[ic->ic_bss->ni_txrate] & 292 IEEE80211_RATE_VAL) / 2); 293 wreq.wi_len = 1; 294 break; 295 case WI_RID_FRAG_THRESH: 296 wreq.wi_val[0] = htole16(ic->ic_fragthreshold); 297 wreq.wi_len = 1; 298 break; 299 case WI_RID_RTS_THRESH: 300 wreq.wi_val[0] = htole16(ic->ic_rtsthreshold); 301 wreq.wi_len = 1; 302 break; 303 case WI_RID_CREATE_IBSS: 304 wreq.wi_val[0] = 305 htole16((ic->ic_flags & IEEE80211_F_IBSSON) ? 1 : 0); 306 wreq.wi_len = 1; 307 break; 308 case WI_RID_MICROWAVE_OVEN: 309 wreq.wi_val[0] = 0; /* no ... not supported */ 310 wreq.wi_len = 1; 311 break; 312 case WI_RID_ROAMING_MODE: 313 wreq.wi_val[0] = htole16(ic->ic_roaming); /* XXX map */ 314 wreq.wi_len = 1; 315 break; 316 case WI_RID_SYSTEM_SCALE: 317 wreq.wi_val[0] = htole16(1); /* low density ... not supp */ 318 wreq.wi_len = 1; 319 break; 320 case WI_RID_PM_ENABLED: 321 wreq.wi_val[0] = 322 htole16((ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0); 323 wreq.wi_len = 1; 324 break; 325 case WI_RID_MAX_SLEEP: 326 wreq.wi_val[0] = htole16(ic->ic_lintval); 327 wreq.wi_len = 1; 328 break; 329 case WI_RID_CUR_BEACON_INT: 330 wreq.wi_val[0] = htole16(ic->ic_bss->ni_intval); 331 wreq.wi_len = 1; 332 break; 333 case WI_RID_WEP_AVAIL: 334 wreq.wi_val[0] = htole16(1); /* always available */ 335 wreq.wi_len = 1; 336 break; 337 case WI_RID_CNFAUTHMODE: 338 wreq.wi_val[0] = htole16(1); /* TODO: open system only */ 339 wreq.wi_len = 1; 340 break; 341 case WI_RID_ENCRYPTION: 342 wreq.wi_val[0] = 343 htole16((ic->ic_flags & IEEE80211_F_PRIVACY) ? 1 : 0); 344 wreq.wi_len = 1; 345 break; 346 case WI_RID_TX_CRYPT_KEY: 347 wreq.wi_val[0] = htole16(ic->ic_def_txkey); 348 wreq.wi_len = 1; 349 break; 350 case WI_RID_DEFLT_CRYPT_KEYS: 351 keys = (struct wi_ltv_keys *)&wreq; 352 /* do not show keys to non-root user */ 353 error = suser(curproc->p_ucred, &curproc->p_acflag); 354 if (error) { 355 memset(keys, 0, sizeof(*keys)); 356 error = 0; 357 break; 358 } 359 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 360 keys->wi_keys[i].wi_keylen = 361 htole16(ic->ic_nw_keys[i].wk_keylen); 362 memcpy(keys->wi_keys[i].wi_keydat, 363 ic->ic_nw_keys[i].wk_key, 364 ic->ic_nw_keys[i].wk_keylen); 365 } 366 wreq.wi_len = sizeof(*keys) / 2; 367 break; 368 case WI_RID_MAX_DATALEN: 369 wreq.wi_val[0] = htole16(ic->ic_fragthreshold); 370 wreq.wi_len = 1; 371 break; 372 case WI_RID_DBM_ADJUST: 373 /* not supported, we just pass rssi value from driver. */ 374 break; 375 case WI_RID_IFACE_STATS: 376 /* XXX: should be implemented in lower drivers */ 377 break; 378 case WI_RID_READ_APS: 379 /* 380 * Don't return results until active scan completes. 381 */ 382 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 383 struct wi_read_ap_args args; 384 385 args.i = 0; 386 args.ap = (void *)((char *)wreq.wi_val + sizeof(i)); 387 args.max = (void *)(&wreq + 1); 388 ieee80211_iterate_nodes(&ic->ic_scan, 389 wi_read_ap_result, &args); 390 memcpy(wreq.wi_val, &args.i, sizeof(args.i)); 391 wreq.wi_len = (sizeof(int) + 392 sizeof(struct wi_apinfo) * args.i) / 2; 393 } else 394 error = EINPROGRESS; 395 break; 396 #if 0 397 case WI_RID_SCAN_RES: /* compatibility interface */ 398 if ((ic->ic_flags & (IEEE80211_F_SCAN|IEEE80211_F_ASCAN)) == 0) { 399 struct wi_read_prism2_args args; 400 struct wi_scan_p2_hdr *p2; 401 402 /* NB: use Prism2 format so we can include rate info */ 403 p2 = (struct wi_scan_p2_hdr *)wreq.wi_val; 404 args.i = 0; 405 args.res = (void *)&p2[1]; 406 args.max = (void *)(&wreq + 1); 407 ieee80211_iterate_nodes(&ic->ic_scan, 408 wi_read_prism2_result, &args); 409 p2->wi_rsvd = 0; 410 p2->wi_reason = args.i; 411 wreq.wi_len = (sizeof(*p2) + 412 sizeof(struct wi_scan_res) * args.i) / 2; 413 } else 414 error = EINPROGRESS; 415 break; 416 case WI_RID_READ_CACHE: { 417 struct wi_read_sigcache_args args; 418 args.i = 0; 419 args.wsc = (struct wi_sigcache *) wreq.wi_val; 420 args.max = (void *)(&wreq + 1); 421 ieee80211_iterate_nodes(&ic->ic_scan, wi_read_sigcache, &args); 422 wreq.wi_len = sizeof(struct wi_sigcache) * args.i / 2; 423 break; 424 } 425 #endif 426 default: 427 error = EINVAL; 428 break; 429 } 430 if (error == 0) { 431 wreq.wi_len++; 432 error = copyout(&wreq, ifr->ifr_data, sizeof(wreq)); 433 } 434 return error; 435 } 436 437 static int 438 findrate(struct ieee80211com *ic, enum ieee80211_phymode mode, int rate) 439 { 440 #define IEEERATE(_ic,_m,_i) \ 441 ((_ic)->ic_sup_rates[_m].rs_rates[_i] & IEEE80211_RATE_VAL) 442 int i, nrates = ic->ic_sup_rates[mode].rs_nrates; 443 for (i = 0; i < nrates; i++) 444 if (IEEERATE(ic, mode, i) == rate) 445 return i; 446 return -1; 447 #undef IEEERATE 448 } 449 450 /* 451 * Prepare to do a user-initiated scan for AP's. If no 452 * current/default channel is setup or the current channel 453 * is invalid then pick the first available channel from 454 * the active list as the place to start the scan. 455 */ 456 static int 457 ieee80211_setupscan(struct ieee80211com *ic, const u_int8_t chanlist[]) 458 { 459 int i; 460 461 /* 462 * XXX don't permit a scan to be started unless we 463 * know the device is ready. For the moment this means 464 * the device is marked up as this is the required to 465 * initialize the hardware. It would be better to permit 466 * scanning prior to being up but that'll require some 467 * changes to the infrastructure. 468 */ 469 if (!IS_UP(ic)) 470 return EINVAL; 471 if (ic->ic_ibss_chan == NULL || 472 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 473 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 474 if (isset(chanlist, i)) { 475 ic->ic_ibss_chan = &ic->ic_channels[i]; 476 goto found; 477 } 478 return EINVAL; /* no active channels */ 479 found: 480 ; 481 } 482 if (ic->ic_bss->ni_chan == IEEE80211_CHAN_ANYC || 483 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan))) 484 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 485 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 486 /* 487 * We force the state to INIT before calling ieee80211_new_state 488 * to get ieee80211_begin_scan called. We really want to scan w/o 489 * altering the current state but that's not possible right now. 490 */ 491 /* XXX handle proberequest case */ 492 ic->ic_state = IEEE80211_S_INIT; /* XXX bypass state machine */ 493 return 0; 494 } 495 496 int 497 ieee80211_cfgset(struct ieee80211com *ic, u_long cmd, caddr_t data) 498 { 499 struct ifnet *ifp = ic->ic_ifp; 500 int i, j, len, error, rate; 501 struct ifreq *ifr = (struct ifreq *)data; 502 struct wi_ltv_keys *keys; 503 struct wi_req wreq; 504 u_char chanlist[roundup(IEEE80211_CHAN_MAX, NBBY)]; 505 506 error = copyin(ifr->ifr_data, &wreq, sizeof(wreq)); 507 if (error) 508 return error; 509 len = wreq.wi_len ? (wreq.wi_len - 1) * 2 : 0; 510 switch (wreq.wi_type) { 511 case WI_RID_SERIALNO: 512 case WI_RID_NODENAME: 513 return EPERM; 514 case WI_RID_CURRENT_SSID: 515 return EPERM; 516 case WI_RID_OWN_SSID: 517 case WI_RID_DESIRED_SSID: 518 if (le16toh(wreq.wi_val[0]) * 2 > len || 519 le16toh(wreq.wi_val[0]) > IEEE80211_NWID_LEN) { 520 error = ENOSPC; 521 break; 522 } 523 memset(ic->ic_des_essid, 0, sizeof(ic->ic_des_essid)); 524 ic->ic_des_esslen = le16toh(wreq.wi_val[0]) * 2; 525 memcpy(ic->ic_des_essid, &wreq.wi_val[1], ic->ic_des_esslen); 526 error = ENETRESET; 527 break; 528 case WI_RID_CURRENT_BSSID: 529 return EPERM; 530 case WI_RID_OWN_CHNL: 531 if (len != 2) 532 return EINVAL; 533 i = le16toh(wreq.wi_val[0]); 534 if (i < 0 || 535 i > IEEE80211_CHAN_MAX || 536 isclr(ic->ic_chan_active, i)) 537 return EINVAL; 538 ic->ic_ibss_chan = &ic->ic_channels[i]; 539 if (ic->ic_opmode == IEEE80211_M_MONITOR) 540 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 541 else 542 error = ENETRESET; 543 break; 544 case WI_RID_CURRENT_CHAN: 545 return EPERM; 546 case WI_RID_COMMS_QUALITY: 547 return EPERM; 548 case WI_RID_PROMISC: 549 if (len != 2) 550 return EINVAL; 551 if (ifp->if_flags & IFF_PROMISC) { 552 if (wreq.wi_val[0] == 0) { 553 ifp->if_flags &= ~IFF_PROMISC; 554 error = ENETRESET; 555 } 556 } else { 557 if (wreq.wi_val[0] != 0) { 558 ifp->if_flags |= IFF_PROMISC; 559 error = ENETRESET; 560 } 561 } 562 break; 563 case WI_RID_PORTTYPE: 564 if (len != 2) 565 return EINVAL; 566 switch (le16toh(wreq.wi_val[0])) { 567 case IEEE80211_M_STA: 568 break; 569 case IEEE80211_M_IBSS: 570 if (!(ic->ic_caps & IEEE80211_C_IBSS)) 571 return EINVAL; 572 break; 573 case IEEE80211_M_AHDEMO: 574 if (ic->ic_phytype != IEEE80211_T_DS || 575 !(ic->ic_caps & IEEE80211_C_AHDEMO)) 576 return EINVAL; 577 break; 578 case IEEE80211_M_HOSTAP: 579 if (!(ic->ic_caps & IEEE80211_C_HOSTAP)) 580 return EINVAL; 581 break; 582 default: 583 return EINVAL; 584 } 585 if (le16toh(wreq.wi_val[0]) != ic->ic_opmode) { 586 ic->ic_opmode = le16toh(wreq.wi_val[0]); 587 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 588 } 589 break; 590 #if 0 591 case WI_RID_MAC_NODE: 592 if (len != IEEE80211_ADDR_LEN) 593 return EINVAL; 594 IEEE80211_ADDR_COPY(LLADDR(ifp->if_sadl), wreq.wi_val); 595 /* if_init will copy lladdr into ic_myaddr */ 596 error = ENETRESET; 597 break; 598 #endif 599 case WI_RID_TX_RATE: 600 if (len != 2) 601 return EINVAL; 602 if (wreq.wi_val[0] == 0) { 603 /* auto */ 604 ic->ic_fixed_rate = -1; 605 break; 606 } 607 rate = 2 * le16toh(wreq.wi_val[0]); 608 if (ic->ic_curmode == IEEE80211_MODE_AUTO) { 609 /* 610 * In autoselect mode search for the rate. We take 611 * the first instance which may not be right, but we 612 * are limited by the interface. Note that we also 613 * lock the mode to insure the rate is meaningful 614 * when it is used. 615 */ 616 for (j = IEEE80211_MODE_11A; 617 j < IEEE80211_MODE_MAX; j++) { 618 if ((ic->ic_modecaps & (1<<j)) == 0) 619 continue; 620 i = findrate(ic, j, rate); 621 if (i != -1) { 622 /* lock mode too */ 623 ic->ic_curmode = j; 624 goto setrate; 625 } 626 } 627 } else { 628 i = findrate(ic, ic->ic_curmode, rate); 629 if (i != -1) 630 goto setrate; 631 } 632 return EINVAL; 633 setrate: 634 ic->ic_fixed_rate = i; 635 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 636 break; 637 case WI_RID_CUR_TX_RATE: 638 return EPERM; 639 case WI_RID_FRAG_THRESH: 640 if (len != 2) 641 return EINVAL; 642 ic->ic_fragthreshold = le16toh(wreq.wi_val[0]); 643 error = ENETRESET; 644 break; 645 case WI_RID_RTS_THRESH: 646 if (len != 2) 647 return EINVAL; 648 ic->ic_rtsthreshold = le16toh(wreq.wi_val[0]); 649 error = ENETRESET; 650 break; 651 case WI_RID_CREATE_IBSS: 652 if (len != 2) 653 return EINVAL; 654 if (wreq.wi_val[0] != 0) { 655 if ((ic->ic_caps & IEEE80211_C_IBSS) == 0) 656 return EINVAL; 657 if ((ic->ic_flags & IEEE80211_F_IBSSON) == 0) { 658 ic->ic_flags |= IEEE80211_F_IBSSON; 659 if (ic->ic_opmode == IEEE80211_M_IBSS && 660 ic->ic_state == IEEE80211_S_SCAN) 661 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 662 } 663 } else { 664 if (ic->ic_flags & IEEE80211_F_IBSSON) { 665 ic->ic_flags &= ~IEEE80211_F_IBSSON; 666 if (ic->ic_flags & IEEE80211_F_SIBSS) { 667 ic->ic_flags &= ~IEEE80211_F_SIBSS; 668 error = IS_UP_AUTO(ic) ? ENETRESET : 0; 669 } 670 } 671 } 672 break; 673 case WI_RID_MICROWAVE_OVEN: 674 if (len != 2) 675 return EINVAL; 676 if (wreq.wi_val[0] != 0) 677 return EINVAL; /* not supported */ 678 break; 679 case WI_RID_ROAMING_MODE: 680 if (len != 2) 681 return EINVAL; 682 i = le16toh(wreq.wi_val[0]); 683 if (i > IEEE80211_ROAMING_MANUAL) 684 return EINVAL; /* not supported */ 685 ic->ic_roaming = i; 686 break; 687 case WI_RID_SYSTEM_SCALE: 688 if (len != 2) 689 return EINVAL; 690 if (le16toh(wreq.wi_val[0]) != 1) 691 return EINVAL; /* not supported */ 692 break; 693 case WI_RID_PM_ENABLED: 694 if (len != 2) 695 return EINVAL; 696 if (wreq.wi_val[0] != 0) { 697 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 698 return EINVAL; 699 if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 700 ic->ic_flags |= IEEE80211_F_PMGTON; 701 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 702 } 703 } else { 704 if (ic->ic_flags & IEEE80211_F_PMGTON) { 705 ic->ic_flags &= ~IEEE80211_F_PMGTON; 706 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 707 } 708 } 709 break; 710 case WI_RID_MAX_SLEEP: 711 if (len != 2) 712 return EINVAL; 713 ic->ic_lintval = le16toh(wreq.wi_val[0]); 714 if (ic->ic_flags & IEEE80211_F_PMGTON) 715 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 716 break; 717 case WI_RID_CUR_BEACON_INT: 718 return EPERM; 719 case WI_RID_WEP_AVAIL: 720 return EPERM; 721 case WI_RID_CNFAUTHMODE: 722 if (len != 2) 723 return EINVAL; 724 i = le16toh(wreq.wi_val[0]); 725 if (i > IEEE80211_AUTH_WPA) 726 return EINVAL; 727 ic->ic_bss->ni_authmode = i; /* XXX ENETRESET? */ 728 error = ENETRESET; 729 break; 730 case WI_RID_ENCRYPTION: 731 if (len != 2) 732 return EINVAL; 733 if (wreq.wi_val[0] != 0) { 734 if ((ic->ic_caps & IEEE80211_C_WEP) == 0) 735 return EINVAL; 736 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) { 737 ic->ic_flags |= IEEE80211_F_PRIVACY; 738 error = ENETRESET; 739 } 740 } else { 741 if (ic->ic_flags & IEEE80211_F_PRIVACY) { 742 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 743 error = ENETRESET; 744 } 745 } 746 break; 747 case WI_RID_TX_CRYPT_KEY: 748 if (len != 2) 749 return EINVAL; 750 i = le16toh(wreq.wi_val[0]); 751 if (i >= IEEE80211_WEP_NKID) 752 return EINVAL; 753 ic->ic_def_txkey = i; 754 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 755 break; 756 case WI_RID_DEFLT_CRYPT_KEYS: 757 if (len != sizeof(struct wi_ltv_keys)) 758 return EINVAL; 759 keys = (struct wi_ltv_keys *)&wreq; 760 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 761 len = le16toh(keys->wi_keys[i].wi_keylen); 762 if (len != 0 && len < IEEE80211_WEP_KEYLEN) 763 return EINVAL; 764 if (len > IEEE80211_KEYBUF_SIZE) 765 return EINVAL; 766 } 767 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 768 struct ieee80211_key *k = &ic->ic_nw_keys[i]; 769 770 len = le16toh(keys->wi_keys[i].wi_keylen); 771 k->wk_keylen = len; 772 k->wk_flags = IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV; 773 memset(k->wk_key, 0, sizeof(k->wk_key)); 774 memcpy(k->wk_key, keys->wi_keys[i].wi_keydat, len); 775 #if 0 776 k->wk_type = IEEE80211_CIPHER_WEP; 777 #endif 778 } 779 error = ENETRESET; 780 break; 781 case WI_RID_MAX_DATALEN: 782 if (len != 2) 783 return EINVAL; 784 len = le16toh(wreq.wi_val[0]); 785 if (len < 350 /* ? */ || len > IEEE80211_MAX_LEN) 786 return EINVAL; 787 ic->ic_fragthreshold = len; 788 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 789 break; 790 case WI_RID_IFACE_STATS: 791 error = EPERM; 792 break; 793 case WI_RID_SCAN_REQ: /* XXX wicontrol */ 794 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 795 break; 796 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 797 if (error == 0) 798 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 799 break; 800 case WI_RID_SCAN_APS: 801 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 802 break; 803 len--; /* XXX: tx rate? */ 804 /* FALLTHRU */ 805 case WI_RID_CHANNEL_LIST: 806 memset(chanlist, 0, sizeof(chanlist)); 807 /* 808 * Since channel 0 is not available for DS, channel 1 809 * is assigned to LSB on WaveLAN. 810 */ 811 if (ic->ic_phytype == IEEE80211_T_DS) 812 i = 1; 813 else 814 i = 0; 815 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 816 if ((j / 8) >= len) 817 break; 818 if (isclr((u_int8_t *)wreq.wi_val, j)) 819 continue; 820 if (isclr(ic->ic_chan_active, i)) { 821 if (wreq.wi_type != WI_RID_CHANNEL_LIST) 822 continue; 823 if (isclr(ic->ic_chan_avail, i)) 824 return EPERM; 825 } 826 setbit(chanlist, i); 827 } 828 error = ieee80211_setupscan(ic, chanlist); 829 if (wreq.wi_type == WI_RID_CHANNEL_LIST) { 830 /* NB: ignore error from ieee80211_setupscan */ 831 error = ENETRESET; 832 } else if (error == 0) 833 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 834 break; 835 default: 836 error = EINVAL; 837 break; 838 } 839 if (error == ENETRESET && !IS_UP_AUTO(ic)) 840 error = 0; 841 return error; 842 } 843 844 #ifdef __FreeBSD__ 845 static struct ieee80211_channel * 846 getcurchan(struct ieee80211com *ic) 847 { 848 switch (ic->ic_state) { 849 case IEEE80211_S_INIT: 850 case IEEE80211_S_SCAN: 851 return ic->ic_des_chan; 852 default: 853 return ic->ic_ibss_chan; 854 } 855 } 856 #endif /* __FreeBSD__ */ 857 858 static int 859 cap2cipher(int flag) 860 { 861 switch (flag) { 862 case IEEE80211_C_WEP: return IEEE80211_CIPHER_WEP; 863 case IEEE80211_C_AES: return IEEE80211_CIPHER_AES_OCB; 864 case IEEE80211_C_AES_CCM: return IEEE80211_CIPHER_AES_CCM; 865 case IEEE80211_C_CKIP: return IEEE80211_CIPHER_CKIP; 866 case IEEE80211_C_TKIP: return IEEE80211_CIPHER_TKIP; 867 } 868 return -1; 869 } 870 871 static int 872 ieee80211_ioctl_getkey(struct ieee80211com *ic, struct ieee80211req *ireq) 873 { 874 struct ieee80211_node *ni; 875 struct ieee80211req_key ik; 876 struct ieee80211_key *wk; 877 const struct ieee80211_cipher *cip; 878 u_int kid; 879 int error; 880 881 if (ireq->i_len != sizeof(ik)) 882 return EINVAL; 883 error = copyin(ireq->i_data, &ik, sizeof(ik)); 884 if (error) 885 return error; 886 kid = ik.ik_keyix; 887 if (kid == IEEE80211_KEYIX_NONE) { 888 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 889 if (ni == NULL) 890 return EINVAL; /* XXX */ 891 wk = &ni->ni_ucastkey; 892 } else { 893 if (kid >= IEEE80211_WEP_NKID) 894 return EINVAL; 895 wk = &ic->ic_nw_keys[kid]; 896 IEEE80211_ADDR_COPY(&ik.ik_macaddr, ic->ic_bss->ni_macaddr); 897 ni = NULL; 898 } 899 cip = wk->wk_cipher; 900 ik.ik_type = cip->ic_cipher; 901 ik.ik_keylen = wk->wk_keylen; 902 ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); 903 if (wk->wk_keyix == ic->ic_def_txkey) 904 ik.ik_flags |= IEEE80211_KEY_DEFAULT; 905 if (suser(curproc->p_ucred, &curproc->p_acflag) == 0) { 906 /* NB: only root can read key data */ 907 ik.ik_keyrsc = wk->wk_keyrsc; 908 ik.ik_keytsc = wk->wk_keytsc; 909 memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); 910 if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { 911 memcpy(ik.ik_keydata+wk->wk_keylen, 912 wk->wk_key + IEEE80211_KEYBUF_SIZE, 913 IEEE80211_MICBUF_SIZE); 914 ik.ik_keylen += IEEE80211_MICBUF_SIZE; 915 } 916 } else { 917 ik.ik_keyrsc = 0; 918 ik.ik_keytsc = 0; 919 memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); 920 } 921 if (ni != NULL) 922 ieee80211_free_node(ni); 923 return copyout(&ik, ireq->i_data, sizeof(ik)); 924 } 925 926 static int 927 ieee80211_ioctl_getchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 928 { 929 930 if (sizeof(ic->ic_chan_active) > ireq->i_len) 931 ireq->i_len = sizeof(ic->ic_chan_active); 932 return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); 933 } 934 935 static int 936 ieee80211_ioctl_getchaninfo(struct ieee80211com *ic, struct ieee80211req *ireq) 937 { 938 struct ieee80211req_chaninfo chans; /* XXX off stack? */ 939 int i, space; 940 941 /* 942 * Since channel 0 is not available for DS, channel 1 943 * is assigned to LSB on WaveLAN. 944 */ 945 if (ic->ic_phytype == IEEE80211_T_DS) 946 i = 1; 947 else 948 i = 0; 949 memset(&chans, 0, sizeof(chans)); 950 for (; i <= IEEE80211_CHAN_MAX; i++) 951 if (isset(ic->ic_chan_avail, i)) { 952 struct ieee80211_channel *c = &ic->ic_channels[i]; 953 chans.ic_chans[chans.ic_nchans].ic_freq = c->ic_freq; 954 chans.ic_chans[chans.ic_nchans].ic_flags = c->ic_flags; 955 chans.ic_nchans++; 956 } 957 space = __offsetof(struct ieee80211req_chaninfo, 958 ic_chans[chans.ic_nchans]); 959 if (space > ireq->i_len) 960 space = ireq->i_len; 961 return copyout(&chans, ireq->i_data, space); 962 } 963 964 static int 965 ieee80211_ioctl_getwpaie(struct ieee80211com *ic, struct ieee80211req *ireq) 966 { 967 struct ieee80211_node *ni; 968 struct ieee80211req_wpaie wpaie; 969 int error; 970 971 if (ireq->i_len < IEEE80211_ADDR_LEN) 972 return EINVAL; 973 error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); 974 if (error != 0) 975 return error; 976 ni = ieee80211_find_node(&ic->ic_sta, wpaie.wpa_macaddr); 977 if (ni == NULL) 978 return EINVAL; /* XXX */ 979 memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); 980 if (ni->ni_wpa_ie != NULL) { 981 int ielen = ni->ni_wpa_ie[1] + 2; 982 if (ielen > sizeof(wpaie.wpa_ie)) 983 ielen = sizeof(wpaie.wpa_ie); 984 memcpy(wpaie.wpa_ie, ni->ni_wpa_ie, ielen); 985 } 986 ieee80211_free_node(ni); 987 if (ireq->i_len > sizeof(wpaie)) 988 ireq->i_len = sizeof(wpaie); 989 return copyout(&wpaie, ireq->i_data, ireq->i_len); 990 } 991 992 static int 993 ieee80211_ioctl_getstastats(struct ieee80211com *ic, struct ieee80211req *ireq) 994 { 995 struct ieee80211_node *ni; 996 u_int8_t macaddr[IEEE80211_ADDR_LEN]; 997 const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); 998 int error; 999 1000 if (ireq->i_len < off) 1001 return EINVAL; 1002 error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); 1003 if (error != 0) 1004 return error; 1005 ni = ieee80211_find_node(&ic->ic_sta, macaddr); 1006 if (ni == NULL) 1007 return EINVAL; /* XXX */ 1008 if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) 1009 ireq->i_len = sizeof(struct ieee80211req_sta_stats); 1010 /* NB: copy out only the statistics */ 1011 error = copyout(&ni->ni_stats, (u_int8_t *) ireq->i_data + off, 1012 ireq->i_len - off); 1013 ieee80211_free_node(ni); 1014 return error; 1015 } 1016 1017 static void 1018 get_scan_result(struct ieee80211req_scan_result *sr, 1019 const struct ieee80211_node *ni) 1020 { 1021 struct ieee80211com *ic = ni->ni_ic; 1022 1023 memset(sr, 0, sizeof(*sr)); 1024 sr->isr_ssid_len = ni->ni_esslen; 1025 if (ni->ni_wpa_ie != NULL) 1026 sr->isr_ie_len += 2+ni->ni_wpa_ie[1]; 1027 if (ni->ni_wme_ie != NULL) 1028 sr->isr_ie_len += 2+ni->ni_wme_ie[1]; 1029 sr->isr_len = sizeof(*sr) + sr->isr_ssid_len + sr->isr_ie_len; 1030 sr->isr_len = roundup(sr->isr_len, sizeof(u_int32_t)); 1031 if (ni->ni_chan != IEEE80211_CHAN_ANYC) { 1032 sr->isr_freq = ni->ni_chan->ic_freq; 1033 sr->isr_flags = ni->ni_chan->ic_flags; 1034 } 1035 sr->isr_rssi = ic->ic_node_getrssi(ni); 1036 sr->isr_intval = ni->ni_intval; 1037 sr->isr_capinfo = ni->ni_capinfo; 1038 sr->isr_erp = ni->ni_erp; 1039 IEEE80211_ADDR_COPY(sr->isr_bssid, ni->ni_bssid); 1040 sr->isr_nrates = ni->ni_rates.rs_nrates; 1041 if (sr->isr_nrates > 15) 1042 sr->isr_nrates = 15; 1043 memcpy(sr->isr_rates, ni->ni_rates.rs_rates, sr->isr_nrates); 1044 } 1045 1046 static int 1047 ieee80211_ioctl_getscanresults(struct ieee80211com *ic, struct ieee80211req *ireq) 1048 { 1049 union { 1050 struct ieee80211req_scan_result res; 1051 char data[512]; /* XXX shrink? */ 1052 } u; 1053 struct ieee80211req_scan_result *sr = &u.res; 1054 struct ieee80211_node_table *nt; 1055 struct ieee80211_node *ni; 1056 int error, space; 1057 u_int8_t *p, *cp; 1058 1059 p = ireq->i_data; 1060 space = ireq->i_len; 1061 error = 0; 1062 /* XXX locking */ 1063 nt = &ic->ic_scan; 1064 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1065 /* NB: skip pre-scan node state */ 1066 if (ni->ni_chan == IEEE80211_CHAN_ANYC) 1067 continue; 1068 get_scan_result(sr, ni); 1069 if (sr->isr_len > sizeof(u)) 1070 continue; /* XXX */ 1071 if (space < sr->isr_len) 1072 break; 1073 cp = (u_int8_t *)(sr+1); 1074 memcpy(cp, ni->ni_essid, ni->ni_esslen); 1075 cp += ni->ni_esslen; 1076 if (ni->ni_wpa_ie != NULL) { 1077 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1078 cp += 2+ni->ni_wpa_ie[1]; 1079 } 1080 if (ni->ni_wme_ie != NULL) { 1081 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1082 cp += 2+ni->ni_wme_ie[1]; 1083 } 1084 error = copyout(sr, p, sr->isr_len); 1085 if (error) 1086 break; 1087 p += sr->isr_len; 1088 space -= sr->isr_len; 1089 } 1090 ireq->i_len -= space; 1091 return error; 1092 } 1093 1094 static void 1095 get_sta_info(struct ieee80211req_sta_info *si, const struct ieee80211_node *ni) 1096 { 1097 struct ieee80211com *ic = ni->ni_ic; 1098 1099 si->isi_ie_len = 0; 1100 if (ni->ni_wpa_ie != NULL) 1101 si->isi_ie_len += 2+ni->ni_wpa_ie[1]; 1102 if (ni->ni_wme_ie != NULL) 1103 si->isi_ie_len += 2+ni->ni_wme_ie[1]; 1104 si->isi_len = sizeof(*si) + si->isi_ie_len, sizeof(u_int32_t); 1105 si->isi_len = roundup(si->isi_len, sizeof(u_int32_t)); 1106 si->isi_freq = ni->ni_chan->ic_freq; 1107 si->isi_flags = ni->ni_chan->ic_flags; 1108 si->isi_state = ni->ni_flags; 1109 si->isi_authmode = ni->ni_authmode; 1110 si->isi_rssi = ic->ic_node_getrssi(ni); 1111 si->isi_capinfo = ni->ni_capinfo; 1112 si->isi_erp = ni->ni_erp; 1113 IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); 1114 si->isi_nrates = ni->ni_rates.rs_nrates; 1115 if (si->isi_nrates > 15) 1116 si->isi_nrates = 15; 1117 memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); 1118 si->isi_txrate = ni->ni_txrate; 1119 si->isi_associd = ni->ni_associd; 1120 si->isi_txpower = ni->ni_txpower; 1121 si->isi_vlan = ni->ni_vlan; 1122 if (ni->ni_flags & IEEE80211_NODE_QOS) { 1123 memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); 1124 memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); 1125 } else { 1126 si->isi_txseqs[0] = ni->ni_txseqs[0]; 1127 si->isi_rxseqs[0] = ni->ni_rxseqs[0]; 1128 } 1129 if (ic->ic_opmode == IEEE80211_M_IBSS || ni->ni_associd != 0) 1130 si->isi_inact = ic->ic_inact_run; 1131 else if (ieee80211_node_is_authorized(ni)) 1132 si->isi_inact = ic->ic_inact_auth; 1133 else 1134 si->isi_inact = ic->ic_inact_init; 1135 si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; 1136 } 1137 1138 static int 1139 ieee80211_ioctl_getstainfo(struct ieee80211com *ic, struct ieee80211req *ireq) 1140 { 1141 union { 1142 struct ieee80211req_sta_info info; 1143 char data[512]; /* XXX shrink? */ 1144 } u; 1145 struct ieee80211req_sta_info *si = &u.info; 1146 struct ieee80211_node_table *nt; 1147 struct ieee80211_node *ni; 1148 int error, space; 1149 u_int8_t *p, *cp; 1150 1151 nt = &ic->ic_sta; 1152 p = ireq->i_data; 1153 space = ireq->i_len; 1154 error = 0; 1155 /* XXX locking */ 1156 TAILQ_FOREACH(ni, &nt->nt_node, ni_list) { 1157 get_sta_info(si, ni); 1158 if (si->isi_len > sizeof(u)) 1159 continue; /* XXX */ 1160 if (space < si->isi_len) 1161 break; 1162 cp = (u_int8_t *)(si+1); 1163 if (ni->ni_wpa_ie != NULL) { 1164 memcpy(cp, ni->ni_wpa_ie, 2+ni->ni_wpa_ie[1]); 1165 cp += 2+ni->ni_wpa_ie[1]; 1166 } 1167 if (ni->ni_wme_ie != NULL) { 1168 memcpy(cp, ni->ni_wme_ie, 2+ni->ni_wme_ie[1]); 1169 cp += 2+ni->ni_wme_ie[1]; 1170 } 1171 error = copyout(si, p, si->isi_len); 1172 if (error) 1173 break; 1174 p += si->isi_len; 1175 space -= si->isi_len; 1176 } 1177 ireq->i_len -= space; 1178 return error; 1179 } 1180 1181 static int 1182 ieee80211_ioctl_getstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1183 { 1184 struct ieee80211_node *ni; 1185 struct ieee80211req_sta_txpow txpow; 1186 int error; 1187 1188 if (ireq->i_len != sizeof(txpow)) 1189 return EINVAL; 1190 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1191 if (error != 0) 1192 return error; 1193 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1194 if (ni == NULL) 1195 return EINVAL; /* XXX */ 1196 txpow.it_txpow = ni->ni_txpower; 1197 error = copyout(&txpow, ireq->i_data, sizeof(txpow)); 1198 ieee80211_free_node(ni); 1199 return error; 1200 } 1201 1202 static int 1203 ieee80211_ioctl_getwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1204 { 1205 struct ieee80211_wme_state *wme = &ic->ic_wme; 1206 struct wmeParams *wmep; 1207 int ac; 1208 1209 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1210 return EINVAL; 1211 1212 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1213 if (ac >= WME_NUM_AC) 1214 ac = WME_AC_BE; 1215 if (ireq->i_len & IEEE80211_WMEPARAM_BSS) 1216 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1217 else 1218 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1219 switch (ireq->i_type) { 1220 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1221 ireq->i_val = wmep->wmep_logcwmin; 1222 break; 1223 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1224 ireq->i_val = wmep->wmep_logcwmax; 1225 break; 1226 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1227 ireq->i_val = wmep->wmep_aifsn; 1228 break; 1229 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1230 ireq->i_val = wmep->wmep_txopLimit; 1231 break; 1232 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1233 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1234 ireq->i_val = wmep->wmep_acm; 1235 break; 1236 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1237 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1238 ireq->i_val = !wmep->wmep_noackPolicy; 1239 break; 1240 } 1241 return 0; 1242 } 1243 1244 /* 1245 * When building the kernel with -O2 on the i386 architecture, gcc 1246 * seems to want to inline this function into ieee80211_ioctl() 1247 * (which is the only routine that calls it). When this happens, 1248 * ieee80211_ioctl() ends up consuming an additional 2K of stack 1249 * space. (Exactly why it needs so much is unclear.) The problem 1250 * is that it's possible for ieee80211_ioctl() to invoke other 1251 * routines (including driver init functions) which could then find 1252 * themselves perilously close to exhausting the stack. 1253 * 1254 * To avoid this, we deliberately prevent gcc from inlining this 1255 * routine. Another way to avoid this is to use less agressive 1256 * optimization when compiling this file (i.e. -O instead of -O2) 1257 * but special-casing the compilation of this one module in the 1258 * build system would be awkward. 1259 */ 1260 #ifdef __GNUC__ 1261 __attribute__ ((noinline)) 1262 #endif 1263 static int 1264 ieee80211_ioctl_get80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1265 { 1266 const struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1267 int error = 0; 1268 #ifdef __FreeBSD__ 1269 u_int kid, len; 1270 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1271 char tmpssid[IEEE80211_NWID_LEN]; 1272 #endif /* __FreeBSD__ */ 1273 u_int m; 1274 1275 switch (ireq->i_type) { 1276 #ifdef __FreeBSD__ 1277 case IEEE80211_IOC_SSID: 1278 switch (ic->ic_state) { 1279 case IEEE80211_S_INIT: 1280 case IEEE80211_S_SCAN: 1281 ireq->i_len = ic->ic_des_esslen; 1282 memcpy(tmpssid, ic->ic_des_essid, ireq->i_len); 1283 break; 1284 default: 1285 ireq->i_len = ic->ic_bss->ni_esslen; 1286 memcpy(tmpssid, ic->ic_bss->ni_essid, 1287 ireq->i_len); 1288 break; 1289 } 1290 error = copyout(tmpssid, ireq->i_data, ireq->i_len); 1291 break; 1292 case IEEE80211_IOC_NUMSSIDS: 1293 ireq->i_val = 1; 1294 break; 1295 case IEEE80211_IOC_WEP: 1296 if ((ic->ic_flags & IEEE80211_F_PRIVACY) == 0) 1297 ireq->i_val = IEEE80211_WEP_OFF; 1298 else if (ic->ic_flags & IEEE80211_F_DROPUNENC) 1299 ireq->i_val = IEEE80211_WEP_ON; 1300 else 1301 ireq->i_val = IEEE80211_WEP_MIXED; 1302 break; 1303 case IEEE80211_IOC_WEPKEY: 1304 kid = (u_int) ireq->i_val; 1305 if (kid >= IEEE80211_WEP_NKID) 1306 return EINVAL; 1307 len = (u_int) ic->ic_nw_keys[kid].wk_keylen; 1308 /* NB: only root can read WEP keys */ 1309 if (suser(curproc->p_ucred, &curproc->p_acflag) == 0) { 1310 bcopy(ic->ic_nw_keys[kid].wk_key, tmpkey, len); 1311 } else { 1312 bzero(tmpkey, len); 1313 } 1314 ireq->i_len = len; 1315 error = copyout(tmpkey, ireq->i_data, len); 1316 break; 1317 case IEEE80211_IOC_NUMWEPKEYS: 1318 ireq->i_val = IEEE80211_WEP_NKID; 1319 break; 1320 case IEEE80211_IOC_WEPTXKEY: 1321 ireq->i_val = ic->ic_def_txkey; 1322 break; 1323 #endif /* __FreeBSD__ */ 1324 case IEEE80211_IOC_AUTHMODE: 1325 if (ic->ic_flags & IEEE80211_F_WPA) 1326 ireq->i_val = IEEE80211_AUTH_WPA; 1327 else 1328 ireq->i_val = ic->ic_bss->ni_authmode; 1329 break; 1330 #ifdef __FreeBSD__ 1331 case IEEE80211_IOC_CHANNEL: 1332 ireq->i_val = ieee80211_chan2ieee(ic, getcurchan(ic)); 1333 break; 1334 case IEEE80211_IOC_POWERSAVE: 1335 if (ic->ic_flags & IEEE80211_F_PMGTON) 1336 ireq->i_val = IEEE80211_POWERSAVE_ON; 1337 else 1338 ireq->i_val = IEEE80211_POWERSAVE_OFF; 1339 break; 1340 case IEEE80211_IOC_POWERSAVESLEEP: 1341 ireq->i_val = ic->ic_lintval; 1342 break; 1343 #endif /* __FreeBSD__ */ 1344 case IEEE80211_IOC_RTSTHRESHOLD: 1345 ireq->i_val = ic->ic_rtsthreshold; 1346 break; 1347 case IEEE80211_IOC_PROTMODE: 1348 ireq->i_val = ic->ic_protmode; 1349 break; 1350 case IEEE80211_IOC_TXPOWER: 1351 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 1352 return EINVAL; 1353 ireq->i_val = ic->ic_txpowlimit; 1354 break; 1355 case IEEE80211_IOC_MCASTCIPHER: 1356 ireq->i_val = rsn->rsn_mcastcipher; 1357 break; 1358 case IEEE80211_IOC_MCASTKEYLEN: 1359 ireq->i_val = rsn->rsn_mcastkeylen; 1360 break; 1361 case IEEE80211_IOC_UCASTCIPHERS: 1362 ireq->i_val = 0; 1363 for (m = 0x1; m != 0; m <<= 1) 1364 if (rsn->rsn_ucastcipherset & m) 1365 ireq->i_val |= 1<<cap2cipher(m); 1366 break; 1367 case IEEE80211_IOC_UCASTCIPHER: 1368 ireq->i_val = rsn->rsn_ucastcipher; 1369 break; 1370 case IEEE80211_IOC_UCASTKEYLEN: 1371 ireq->i_val = rsn->rsn_ucastkeylen; 1372 break; 1373 case IEEE80211_IOC_KEYMGTALGS: 1374 ireq->i_val = rsn->rsn_keymgmtset; 1375 break; 1376 case IEEE80211_IOC_RSNCAPS: 1377 ireq->i_val = rsn->rsn_caps; 1378 break; 1379 case IEEE80211_IOC_WPA: 1380 switch (ic->ic_flags & IEEE80211_F_WPA) { 1381 case IEEE80211_F_WPA1: 1382 ireq->i_val = 1; 1383 break; 1384 case IEEE80211_F_WPA2: 1385 ireq->i_val = 2; 1386 break; 1387 case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: 1388 ireq->i_val = 3; 1389 break; 1390 default: 1391 ireq->i_val = 0; 1392 break; 1393 } 1394 break; 1395 case IEEE80211_IOC_CHANLIST: 1396 error = ieee80211_ioctl_getchanlist(ic, ireq); 1397 break; 1398 case IEEE80211_IOC_ROAMING: 1399 ireq->i_val = ic->ic_roaming; 1400 break; 1401 case IEEE80211_IOC_PRIVACY: 1402 ireq->i_val = (ic->ic_flags & IEEE80211_F_PRIVACY) != 0; 1403 break; 1404 case IEEE80211_IOC_DROPUNENCRYPTED: 1405 ireq->i_val = (ic->ic_flags & IEEE80211_F_DROPUNENC) != 0; 1406 break; 1407 case IEEE80211_IOC_COUNTERMEASURES: 1408 ireq->i_val = (ic->ic_flags & IEEE80211_F_COUNTERM) != 0; 1409 break; 1410 case IEEE80211_IOC_DRIVER_CAPS: 1411 ireq->i_val = ic->ic_caps>>16; 1412 ireq->i_len = ic->ic_caps&0xffff; 1413 break; 1414 case IEEE80211_IOC_WME: 1415 ireq->i_val = (ic->ic_flags & IEEE80211_F_WME) != 0; 1416 break; 1417 case IEEE80211_IOC_HIDESSID: 1418 ireq->i_val = (ic->ic_flags & IEEE80211_F_HIDESSID) != 0; 1419 break; 1420 case IEEE80211_IOC_APBRIDGE: 1421 ireq->i_val = (ic->ic_flags & IEEE80211_F_NOBRIDGE) == 0; 1422 break; 1423 case IEEE80211_IOC_OPTIE: 1424 if (ic->ic_opt_ie == NULL) 1425 return EINVAL; 1426 /* NB: truncate, caller can check length */ 1427 if (ireq->i_len > ic->ic_opt_ie_len) 1428 ireq->i_len = ic->ic_opt_ie_len; 1429 error = copyout(ic->ic_opt_ie, ireq->i_data, ireq->i_len); 1430 break; 1431 case IEEE80211_IOC_WPAKEY: 1432 error = ieee80211_ioctl_getkey(ic, ireq); 1433 break; 1434 case IEEE80211_IOC_CHANINFO: 1435 error = ieee80211_ioctl_getchaninfo(ic, ireq); 1436 break; 1437 #ifdef __FreeBSD__ 1438 case IEEE80211_IOC_BSSID: 1439 if (ireq->i_len != IEEE80211_ADDR_LEN) 1440 return EINVAL; 1441 error = copyout(ic->ic_state == IEEE80211_S_RUN ? 1442 ic->ic_bss->ni_bssid : 1443 ic->ic_des_bssid, 1444 ireq->i_data, ireq->i_len); 1445 break; 1446 #endif /* __FreeBSD__ */ 1447 case IEEE80211_IOC_WPAIE: 1448 error = ieee80211_ioctl_getwpaie(ic, ireq); 1449 break; 1450 case IEEE80211_IOC_SCAN_RESULTS: 1451 error = ieee80211_ioctl_getscanresults(ic, ireq); 1452 break; 1453 case IEEE80211_IOC_STA_STATS: 1454 error = ieee80211_ioctl_getstastats(ic, ireq); 1455 break; 1456 case IEEE80211_IOC_TXPOWMAX: 1457 ireq->i_val = ic->ic_bss->ni_txpower; 1458 break; 1459 case IEEE80211_IOC_STA_TXPOW: 1460 error = ieee80211_ioctl_getstatxpow(ic, ireq); 1461 break; 1462 case IEEE80211_IOC_STA_INFO: 1463 error = ieee80211_ioctl_getstainfo(ic, ireq); 1464 break; 1465 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1466 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1467 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1468 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1469 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1470 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 1471 error = ieee80211_ioctl_getwmeparam(ic, ireq); 1472 break; 1473 case IEEE80211_IOC_DTIM_PERIOD: 1474 ireq->i_val = ic->ic_dtim_period; 1475 break; 1476 case IEEE80211_IOC_BEACON_INTERVAL: 1477 /* NB: get from ic_bss for station mode */ 1478 ireq->i_val = ic->ic_bss->ni_intval; 1479 break; 1480 case IEEE80211_IOC_PUREG: 1481 ireq->i_val = (ic->ic_flags & IEEE80211_F_PUREG) != 0; 1482 break; 1483 default: 1484 error = EINVAL; 1485 break; 1486 } 1487 return error; 1488 } 1489 1490 static int 1491 ieee80211_ioctl_setoptie(struct ieee80211com *ic, struct ieee80211req *ireq) 1492 { 1493 int error; 1494 void *ie; 1495 1496 /* 1497 * NB: Doing this for ap operation could be useful (e.g. for 1498 * WPA and/or WME) except that it typically is worthless 1499 * without being able to intervene when processing 1500 * association response frames--so disallow it for now. 1501 */ 1502 if (ic->ic_opmode != IEEE80211_M_STA) 1503 return EINVAL; 1504 if (ireq->i_len > IEEE80211_MAX_OPT_IE) 1505 return EINVAL; 1506 /* NB: data.length is validated by the wireless extensions code */ 1507 MALLOC(ie, void *, (u_long)ireq->i_len, M_DEVBUF, M_WAITOK); 1508 if (ie == NULL) 1509 return ENOMEM; 1510 error = copyin(ireq->i_data, ie, ireq->i_len); 1511 /* XXX sanity check data? */ 1512 if (ic->ic_opt_ie != NULL) 1513 FREE(ic->ic_opt_ie, M_DEVBUF); 1514 ic->ic_opt_ie = ie; 1515 ic->ic_opt_ie_len = ireq->i_len; 1516 return 0; 1517 } 1518 1519 static int 1520 ieee80211_ioctl_setkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1521 { 1522 struct ieee80211req_key ik; 1523 struct ieee80211_node *ni; 1524 struct ieee80211_key *wk; 1525 u_int16_t kid; 1526 int error; 1527 1528 if (ireq->i_len != sizeof(ik)) 1529 return EINVAL; 1530 error = copyin(ireq->i_data, &ik, sizeof(ik)); 1531 if (error) 1532 return error; 1533 /* NB: cipher support is verified by ieee80211_crypt_newkey */ 1534 /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ 1535 if (ik.ik_keylen > sizeof(ik.ik_keydata)) 1536 return E2BIG; 1537 kid = ik.ik_keyix; 1538 if (kid == IEEE80211_KEYIX_NONE) { 1539 /* XXX unicast keys currently must be tx/rx */ 1540 if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) 1541 return EINVAL; 1542 if (ic->ic_opmode == IEEE80211_M_STA) { 1543 ni = ieee80211_ref_node(ic->ic_bss); 1544 if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { 1545 ieee80211_free_node(ni); 1546 return EADDRNOTAVAIL; 1547 } 1548 } else { 1549 ni = ieee80211_find_node(&ic->ic_sta, ik.ik_macaddr); 1550 if (ni == NULL) 1551 return ENOENT; 1552 } 1553 wk = &ni->ni_ucastkey; 1554 } else { 1555 if (kid >= IEEE80211_WEP_NKID) 1556 return EINVAL; 1557 wk = &ic->ic_nw_keys[kid]; 1558 ni = NULL; 1559 } 1560 error = 0; 1561 ieee80211_key_update_begin(ic); 1562 if (ieee80211_crypto_newkey(ic, ik.ik_type, ik.ik_flags, wk)) { 1563 wk->wk_keylen = ik.ik_keylen; 1564 /* NB: MIC presence is implied by cipher type */ 1565 if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) 1566 wk->wk_keylen = IEEE80211_KEYBUF_SIZE; 1567 wk->wk_keyrsc = ik.ik_keyrsc; 1568 wk->wk_keytsc = 0; /* new key, reset */ 1569 memset(wk->wk_key, 0, sizeof(wk->wk_key)); 1570 memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); 1571 if (!ieee80211_crypto_setkey(ic, wk, 1572 ni != NULL ? ni->ni_macaddr : ik.ik_macaddr)) 1573 error = EIO; 1574 else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) 1575 ic->ic_def_txkey = kid; 1576 } else 1577 error = ENXIO; 1578 ieee80211_key_update_end(ic); 1579 if (ni != NULL) 1580 ieee80211_free_node(ni); 1581 return error; 1582 } 1583 1584 static int 1585 ieee80211_ioctl_delkey(struct ieee80211com *ic, struct ieee80211req *ireq) 1586 { 1587 struct ieee80211req_del_key dk; 1588 int kid, error; 1589 1590 if (ireq->i_len != sizeof(dk)) 1591 return EINVAL; 1592 error = copyin(ireq->i_data, &dk, sizeof(dk)); 1593 if (error) 1594 return error; 1595 kid = dk.idk_keyix; 1596 /* XXX u_int8_t -> u_int16_t */ 1597 if (dk.idk_keyix == (u_int8_t) IEEE80211_KEYIX_NONE) { 1598 struct ieee80211_node *ni; 1599 1600 if (ic->ic_opmode == IEEE80211_M_STA) { 1601 ni = ieee80211_ref_node(ic->ic_bss); 1602 if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { 1603 ieee80211_free_node(ni); 1604 return EADDRNOTAVAIL; 1605 } 1606 } else { 1607 ni = ieee80211_find_node(&ic->ic_sta, dk.idk_macaddr); 1608 if (ni == NULL) 1609 return ENOENT; 1610 } 1611 /* XXX error return */ 1612 ieee80211_crypto_delkey(ic, &ni->ni_ucastkey); 1613 ieee80211_free_node(ni); 1614 } else { 1615 if (kid >= IEEE80211_WEP_NKID) 1616 return EINVAL; 1617 /* XXX error return */ 1618 ieee80211_crypto_delkey(ic, &ic->ic_nw_keys[kid]); 1619 } 1620 return 0; 1621 } 1622 1623 #ifndef IEEE80211_NO_HOSTAP 1624 static void 1625 domlme(void *arg, struct ieee80211_node *ni) 1626 { 1627 struct ieee80211com *ic = ni->ni_ic; 1628 struct ieee80211req_mlme *mlme = arg; 1629 1630 if (ni->ni_associd != 0) { 1631 IEEE80211_SEND_MGMT(ic, ni, 1632 mlme->im_op == IEEE80211_MLME_DEAUTH ? 1633 IEEE80211_FC0_SUBTYPE_DEAUTH : 1634 IEEE80211_FC0_SUBTYPE_DISASSOC, 1635 mlme->im_reason); 1636 } 1637 ieee80211_node_leave(ic, ni); 1638 } 1639 #endif /* !IEEE80211_NO_HOSTAP */ 1640 1641 static int 1642 ieee80211_ioctl_setmlme(struct ieee80211com *ic, struct ieee80211req *ireq) 1643 { 1644 struct ieee80211req_mlme mlme; 1645 struct ieee80211_node *ni; 1646 int error; 1647 1648 if (ireq->i_len != sizeof(mlme)) 1649 return EINVAL; 1650 error = copyin(ireq->i_data, &mlme, sizeof(mlme)); 1651 if (error) 1652 return error; 1653 switch (mlme.im_op) { 1654 case IEEE80211_MLME_ASSOC: 1655 if (ic->ic_opmode != IEEE80211_M_STA) 1656 return EINVAL; 1657 /* XXX must be in S_SCAN state? */ 1658 1659 if (mlme.im_ssid_len != 0) { 1660 /* 1661 * Desired ssid specified; must match both bssid and 1662 * ssid to distinguish ap advertising multiple ssid's. 1663 */ 1664 ni = ieee80211_find_node_with_ssid(&ic->ic_scan, 1665 mlme.im_macaddr, 1666 mlme.im_ssid_len, mlme.im_ssid); 1667 } else { 1668 /* 1669 * Normal case; just match bssid. 1670 */ 1671 ni = ieee80211_find_node(&ic->ic_scan, mlme.im_macaddr); 1672 } 1673 if (ni == NULL) 1674 return EINVAL; 1675 if (!ieee80211_sta_join(ic, ni)) { 1676 ieee80211_free_node(ni); 1677 return EINVAL; 1678 } 1679 break; 1680 case IEEE80211_MLME_DISASSOC: 1681 case IEEE80211_MLME_DEAUTH: 1682 switch (ic->ic_opmode) { 1683 case IEEE80211_M_STA: 1684 /* XXX not quite right */ 1685 ieee80211_new_state(ic, IEEE80211_S_INIT, 1686 mlme.im_reason); 1687 break; 1688 case IEEE80211_M_HOSTAP: 1689 #ifndef IEEE80211_NO_HOSTAP 1690 /* NB: the broadcast address means do 'em all */ 1691 if (!IEEE80211_ADDR_EQ(mlme.im_macaddr, ic->ic_ifp->if_broadcastaddr)) { 1692 if ((ni = ieee80211_find_node(&ic->ic_sta, 1693 mlme.im_macaddr)) == NULL) 1694 return EINVAL; 1695 domlme(&mlme, ni); 1696 ieee80211_free_node(ni); 1697 } else { 1698 ieee80211_iterate_nodes(&ic->ic_sta, 1699 domlme, &mlme); 1700 } 1701 #endif /* !IEEE80211_NO_HOSTAP */ 1702 break; 1703 default: 1704 return EINVAL; 1705 } 1706 break; 1707 case IEEE80211_MLME_AUTHORIZE: 1708 case IEEE80211_MLME_UNAUTHORIZE: 1709 if (ic->ic_opmode != IEEE80211_M_HOSTAP) 1710 return EINVAL; 1711 ni = ieee80211_find_node(&ic->ic_sta, mlme.im_macaddr); 1712 if (ni == NULL) 1713 return EINVAL; 1714 if (mlme.im_op == IEEE80211_MLME_AUTHORIZE) 1715 ieee80211_node_authorize(ic, ni); 1716 else 1717 ieee80211_node_unauthorize(ic, ni); 1718 ieee80211_free_node(ni); 1719 break; 1720 default: 1721 return EINVAL; 1722 } 1723 return 0; 1724 } 1725 1726 static int 1727 ieee80211_ioctl_macmac(struct ieee80211com *ic, struct ieee80211req *ireq) 1728 { 1729 u_int8_t mac[IEEE80211_ADDR_LEN]; 1730 const struct ieee80211_aclator *acl = ic->ic_acl; 1731 int error; 1732 1733 if (ireq->i_len != sizeof(mac)) 1734 return EINVAL; 1735 error = copyin(ireq->i_data, mac, ireq->i_len); 1736 if (error) 1737 return error; 1738 if (acl == NULL) { 1739 acl = ieee80211_aclator_get("mac"); 1740 if (acl == NULL || !acl->iac_attach(ic)) 1741 return EINVAL; 1742 ic->ic_acl = acl; 1743 } 1744 if (ireq->i_type == IEEE80211_IOC_ADDMAC) 1745 acl->iac_add(ic, mac); 1746 else 1747 acl->iac_remove(ic, mac); 1748 return 0; 1749 } 1750 1751 static int 1752 ieee80211_ioctl_maccmd(struct ieee80211com *ic, struct ieee80211req *ireq) 1753 { 1754 const struct ieee80211_aclator *acl = ic->ic_acl; 1755 1756 switch (ireq->i_val) { 1757 case IEEE80211_MACCMD_POLICY_OPEN: 1758 case IEEE80211_MACCMD_POLICY_ALLOW: 1759 case IEEE80211_MACCMD_POLICY_DENY: 1760 if (acl == NULL) { 1761 acl = ieee80211_aclator_get("mac"); 1762 if (acl == NULL || !acl->iac_attach(ic)) 1763 return EINVAL; 1764 ic->ic_acl = acl; 1765 } 1766 acl->iac_setpolicy(ic, ireq->i_val); 1767 break; 1768 case IEEE80211_MACCMD_FLUSH: 1769 if (acl != NULL) 1770 acl->iac_flush(ic); 1771 /* NB: silently ignore when not in use */ 1772 break; 1773 case IEEE80211_MACCMD_DETACH: 1774 if (acl != NULL) { 1775 ic->ic_acl = NULL; 1776 acl->iac_detach(ic); 1777 } 1778 break; 1779 default: 1780 return EINVAL; 1781 } 1782 return 0; 1783 } 1784 1785 static int 1786 ieee80211_ioctl_setchanlist(struct ieee80211com *ic, struct ieee80211req *ireq) 1787 { 1788 struct ieee80211req_chanlist list; 1789 u_char chanlist[IEEE80211_CHAN_BYTES]; 1790 int i, j, error; 1791 1792 if (ireq->i_len != sizeof(list)) 1793 return EINVAL; 1794 error = copyin(ireq->i_data, &list, sizeof(list)); 1795 if (error) 1796 return error; 1797 memset(chanlist, 0, sizeof(chanlist)); 1798 /* 1799 * Since channel 0 is not available for DS, channel 1 1800 * is assigned to LSB on WaveLAN. 1801 */ 1802 if (ic->ic_phytype == IEEE80211_T_DS) 1803 i = 1; 1804 else 1805 i = 0; 1806 for (j = 0; i <= IEEE80211_CHAN_MAX; i++, j++) { 1807 /* 1808 * NB: silently discard unavailable channels so users 1809 * can specify 1-255 to get all available channels. 1810 */ 1811 if (isset(list.ic_channels, j) && isset(ic->ic_chan_avail, i)) 1812 setbit(chanlist, i); 1813 } 1814 if (ic->ic_ibss_chan == NULL || 1815 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_ibss_chan))) { 1816 for (i = 0; i <= IEEE80211_CHAN_MAX; i++) 1817 if (isset(chanlist, i)) { 1818 ic->ic_ibss_chan = &ic->ic_channels[i]; 1819 goto found; 1820 } 1821 return EINVAL; /* no active channels */ 1822 found: 1823 ; 1824 } 1825 memcpy(ic->ic_chan_active, chanlist, sizeof(ic->ic_chan_active)); 1826 if (ic->ic_bss->ni_chan == IEEE80211_CHAN_ANYC || 1827 isclr(chanlist, ieee80211_chan2ieee(ic, ic->ic_bss->ni_chan))) 1828 ic->ic_bss->ni_chan = ic->ic_ibss_chan; 1829 return IS_UP_AUTO(ic) ? ENETRESET : 0; 1830 } 1831 1832 static int 1833 ieee80211_ioctl_setstatxpow(struct ieee80211com *ic, struct ieee80211req *ireq) 1834 { 1835 struct ieee80211_node *ni; 1836 struct ieee80211req_sta_txpow txpow; 1837 int error; 1838 1839 if (ireq->i_len != sizeof(txpow)) 1840 return EINVAL; 1841 error = copyin(ireq->i_data, &txpow, sizeof(txpow)); 1842 if (error != 0) 1843 return error; 1844 ni = ieee80211_find_node(&ic->ic_sta, txpow.it_macaddr); 1845 if (ni == NULL) 1846 return EINVAL; /* XXX */ 1847 ni->ni_txpower = txpow.it_txpow; 1848 ieee80211_free_node(ni); 1849 return error; 1850 } 1851 1852 static int 1853 ieee80211_ioctl_setwmeparam(struct ieee80211com *ic, struct ieee80211req *ireq) 1854 { 1855 struct ieee80211_wme_state *wme = &ic->ic_wme; 1856 struct wmeParams *wmep, *chanp; 1857 int isbss, ac; 1858 1859 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 1860 return EINVAL; 1861 1862 isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); 1863 ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); 1864 if (ac >= WME_NUM_AC) 1865 ac = WME_AC_BE; 1866 if (isbss) { 1867 chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; 1868 wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; 1869 } else { 1870 chanp = &wme->wme_chanParams.cap_wmeParams[ac]; 1871 wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; 1872 } 1873 switch (ireq->i_type) { 1874 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 1875 if (isbss) { 1876 wmep->wmep_logcwmin = ireq->i_val; 1877 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1878 chanp->wmep_logcwmin = ireq->i_val; 1879 } else { 1880 wmep->wmep_logcwmin = chanp->wmep_logcwmin = 1881 ireq->i_val; 1882 } 1883 break; 1884 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 1885 if (isbss) { 1886 wmep->wmep_logcwmax = ireq->i_val; 1887 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1888 chanp->wmep_logcwmax = ireq->i_val; 1889 } else { 1890 wmep->wmep_logcwmax = chanp->wmep_logcwmax = 1891 ireq->i_val; 1892 } 1893 break; 1894 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 1895 if (isbss) { 1896 wmep->wmep_aifsn = ireq->i_val; 1897 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1898 chanp->wmep_aifsn = ireq->i_val; 1899 } else { 1900 wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; 1901 } 1902 break; 1903 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 1904 if (isbss) { 1905 wmep->wmep_txopLimit = ireq->i_val; 1906 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1907 chanp->wmep_txopLimit = ireq->i_val; 1908 } else { 1909 wmep->wmep_txopLimit = chanp->wmep_txopLimit = 1910 ireq->i_val; 1911 } 1912 break; 1913 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 1914 wmep->wmep_acm = ireq->i_val; 1915 if ((wme->wme_flags & WME_F_AGGRMODE) == 0) 1916 chanp->wmep_acm = ireq->i_val; 1917 break; 1918 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ 1919 wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = 1920 (ireq->i_val) == 0; 1921 break; 1922 } 1923 ieee80211_wme_updateparams(ic); 1924 return 0; 1925 } 1926 1927 static int 1928 cipher2cap(int cipher) 1929 { 1930 switch (cipher) { 1931 case IEEE80211_CIPHER_WEP: return IEEE80211_C_WEP; 1932 case IEEE80211_CIPHER_AES_OCB: return IEEE80211_C_AES; 1933 case IEEE80211_CIPHER_AES_CCM: return IEEE80211_C_AES_CCM; 1934 case IEEE80211_CIPHER_CKIP: return IEEE80211_C_CKIP; 1935 case IEEE80211_CIPHER_TKIP: return IEEE80211_C_TKIP; 1936 } 1937 return 0; 1938 } 1939 1940 static int 1941 ieee80211_ioctl_set80211(struct ieee80211com *ic, u_long cmd, struct ieee80211req *ireq) 1942 { 1943 #ifdef __FreeBSD__ 1944 static const u_int8_t zerobssid[IEEE80211_ADDR_LEN]; 1945 u_int8_t tmpkey[IEEE80211_KEYBUF_SIZE]; 1946 char tmpssid[IEEE80211_NWID_LEN]; 1947 u_int8_t tmpbssid[IEEE80211_ADDR_LEN]; 1948 struct ieee80211_key *k; 1949 u_int kid; 1950 #endif /* __FreeBSD__ */ 1951 struct ieee80211_rsnparms *rsn = &ic->ic_bss->ni_rsn; 1952 int error; 1953 const struct ieee80211_authenticator *auth; 1954 int j, caps; 1955 1956 error = 0; 1957 switch (ireq->i_type) { 1958 #ifdef __FreeBSD__ 1959 case IEEE80211_IOC_SSID: 1960 if (ireq->i_val != 0 || 1961 ireq->i_len > IEEE80211_NWID_LEN) 1962 return EINVAL; 1963 error = copyin(ireq->i_data, tmpssid, ireq->i_len); 1964 if (error) 1965 break; 1966 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 1967 ic->ic_des_esslen = ireq->i_len; 1968 memcpy(ic->ic_des_essid, tmpssid, ireq->i_len); 1969 error = ENETRESET; 1970 break; 1971 #endif /* __FreeBSD__ */ 1972 case IEEE80211_IOC_WEP: 1973 switch (ireq->i_val) { 1974 case IEEE80211_WEP_OFF: 1975 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 1976 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 1977 break; 1978 case IEEE80211_WEP_ON: 1979 ic->ic_flags |= IEEE80211_F_PRIVACY; 1980 ic->ic_flags |= IEEE80211_F_DROPUNENC; 1981 break; 1982 case IEEE80211_WEP_MIXED: 1983 ic->ic_flags |= IEEE80211_F_PRIVACY; 1984 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 1985 break; 1986 } 1987 error = ENETRESET; 1988 break; 1989 #ifdef __FreeBSD__ 1990 case IEEE80211_IOC_WEPKEY: 1991 kid = (u_int) ireq->i_val; 1992 if (kid >= IEEE80211_WEP_NKID) 1993 return EINVAL; 1994 k = &ic->ic_nw_keys[kid]; 1995 if (ireq->i_len == 0) { 1996 /* zero-len =>'s delete any existing key */ 1997 (void) ieee80211_crypto_delkey(ic, k); 1998 break; 1999 } 2000 if (ireq->i_len > sizeof(tmpkey)) 2001 return EINVAL; 2002 memset(tmpkey, 0, sizeof(tmpkey)); 2003 error = copyin(ireq->i_data, tmpkey, ireq->i_len); 2004 if (error) 2005 break; 2006 ieee80211_key_update_begin(ic); 2007 k->wk_keyix = kid; /* NB: force fixed key id */ 2008 if (ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2009 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2010 k->wk_keylen = ireq->i_len; 2011 memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); 2012 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2013 error = EINVAL; 2014 } else 2015 error = EINVAL; 2016 ieee80211_key_update_end(ic); 2017 if (!error) /* NB: for compatibility */ 2018 error = ENETRESET; 2019 break; 2020 case IEEE80211_IOC_WEPTXKEY: 2021 kid = (u_int) ireq->i_val; 2022 if (kid >= IEEE80211_WEP_NKID && 2023 (u_int16_t) kid != IEEE80211_KEYIX_NONE) 2024 return EINVAL; 2025 ic->ic_def_txkey = kid; 2026 error = ENETRESET; /* push to hardware */ 2027 break; 2028 #endif /* __FreeBSD__ */ 2029 case IEEE80211_IOC_AUTHMODE: 2030 switch (ireq->i_val) { 2031 case IEEE80211_AUTH_WPA: 2032 case IEEE80211_AUTH_8021X: /* 802.1x */ 2033 case IEEE80211_AUTH_OPEN: /* open */ 2034 case IEEE80211_AUTH_SHARED: /* shared-key */ 2035 case IEEE80211_AUTH_AUTO: /* auto */ 2036 auth = ieee80211_authenticator_get(ireq->i_val); 2037 if (auth == NULL) 2038 return EINVAL; 2039 break; 2040 default: 2041 return EINVAL; 2042 } 2043 switch (ireq->i_val) { 2044 case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ 2045 ic->ic_flags |= IEEE80211_F_PRIVACY; 2046 ireq->i_val = IEEE80211_AUTH_8021X; 2047 break; 2048 case IEEE80211_AUTH_OPEN: /* open */ 2049 ic->ic_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); 2050 break; 2051 case IEEE80211_AUTH_SHARED: /* shared-key */ 2052 case IEEE80211_AUTH_8021X: /* 802.1x */ 2053 ic->ic_flags &= ~IEEE80211_F_WPA; 2054 /* both require a key so mark the PRIVACY capability */ 2055 ic->ic_flags |= IEEE80211_F_PRIVACY; 2056 break; 2057 case IEEE80211_AUTH_AUTO: /* auto */ 2058 ic->ic_flags &= ~IEEE80211_F_WPA; 2059 /* XXX PRIVACY handling? */ 2060 /* XXX what's the right way to do this? */ 2061 break; 2062 } 2063 /* NB: authenticator attach/detach happens on state change */ 2064 ic->ic_bss->ni_authmode = ireq->i_val; 2065 /* XXX mixed/mode/usage? */ 2066 ic->ic_auth = auth; 2067 error = ENETRESET; 2068 break; 2069 #ifdef __FreeBSD__ 2070 case IEEE80211_IOC_CHANNEL: 2071 /* XXX 0xffff overflows 16-bit signed */ 2072 if (ireq->i_val == 0 || 2073 ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) 2074 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2075 else if ((u_int) ireq->i_val > IEEE80211_CHAN_MAX || 2076 isclr(ic->ic_chan_active, ireq->i_val)) { 2077 return EINVAL; 2078 } else 2079 ic->ic_ibss_chan = ic->ic_des_chan = 2080 &ic->ic_channels[ireq->i_val]; 2081 switch (ic->ic_state) { 2082 case IEEE80211_S_INIT: 2083 case IEEE80211_S_SCAN: 2084 error = ENETRESET; 2085 break; 2086 default: 2087 /* 2088 * If the desired channel has changed (to something 2089 * other than any) and we're not already scanning, 2090 * then kick the state machine. 2091 */ 2092 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2093 ic->ic_bss->ni_chan != ic->ic_des_chan && 2094 (ic->ic_flags & IEEE80211_F_SCAN) == 0) 2095 error = ENETRESET; 2096 break; 2097 } 2098 if (error == ENETRESET && ic->ic_opmode == IEEE80211_M_MONITOR) 2099 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2100 break; 2101 case IEEE80211_IOC_POWERSAVE: 2102 switch (ireq->i_val) { 2103 case IEEE80211_POWERSAVE_OFF: 2104 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2105 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2106 error = ENETRESET; 2107 } 2108 break; 2109 case IEEE80211_POWERSAVE_ON: 2110 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2111 error = EINVAL; 2112 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2113 ic->ic_flags |= IEEE80211_F_PMGTON; 2114 error = ENETRESET; 2115 } 2116 break; 2117 default: 2118 error = EINVAL; 2119 break; 2120 } 2121 break; 2122 case IEEE80211_IOC_POWERSAVESLEEP: 2123 if (ireq->i_val < 0) 2124 return EINVAL; 2125 ic->ic_lintval = ireq->i_val; 2126 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2127 break; 2128 #endif /* __FreeBSD__ */ 2129 case IEEE80211_IOC_RTSTHRESHOLD: 2130 if (!(IEEE80211_RTS_MIN < ireq->i_val && 2131 ireq->i_val < IEEE80211_RTS_MAX)) 2132 return EINVAL; 2133 ic->ic_rtsthreshold = ireq->i_val; 2134 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2135 break; 2136 case IEEE80211_IOC_PROTMODE: 2137 if (ireq->i_val > IEEE80211_PROT_RTSCTS) 2138 return EINVAL; 2139 ic->ic_protmode = ireq->i_val; 2140 /* NB: if not operating in 11g this can wait */ 2141 if (ic->ic_curmode == IEEE80211_MODE_11G) 2142 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2143 break; 2144 case IEEE80211_IOC_TXPOWER: 2145 if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) 2146 return EINVAL; 2147 if (!(IEEE80211_TXPOWER_MIN < ireq->i_val && 2148 ireq->i_val < IEEE80211_TXPOWER_MAX)) 2149 return EINVAL; 2150 ic->ic_txpowlimit = ireq->i_val; 2151 error = IS_UP(ic) ? ic->ic_reset(ic->ic_ifp) : 0; 2152 break; 2153 case IEEE80211_IOC_ROAMING: 2154 if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && 2155 ireq->i_val <= IEEE80211_ROAMING_MANUAL)) 2156 return EINVAL; 2157 ic->ic_roaming = ireq->i_val; 2158 /* XXXX reset? */ 2159 break; 2160 case IEEE80211_IOC_PRIVACY: 2161 if (ireq->i_val) { 2162 /* XXX check for key state? */ 2163 ic->ic_flags |= IEEE80211_F_PRIVACY; 2164 } else 2165 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2166 break; 2167 case IEEE80211_IOC_DROPUNENCRYPTED: 2168 if (ireq->i_val) 2169 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2170 else 2171 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2172 break; 2173 case IEEE80211_IOC_WPAKEY: 2174 error = ieee80211_ioctl_setkey(ic, ireq); 2175 break; 2176 case IEEE80211_IOC_DELKEY: 2177 error = ieee80211_ioctl_delkey(ic, ireq); 2178 break; 2179 case IEEE80211_IOC_MLME: 2180 error = ieee80211_ioctl_setmlme(ic, ireq); 2181 break; 2182 case IEEE80211_IOC_OPTIE: 2183 error = ieee80211_ioctl_setoptie(ic, ireq); 2184 break; 2185 case IEEE80211_IOC_COUNTERMEASURES: 2186 if (ireq->i_val) { 2187 if ((ic->ic_flags & IEEE80211_F_WPA) == 0) 2188 return EINVAL; 2189 ic->ic_flags |= IEEE80211_F_COUNTERM; 2190 } else 2191 ic->ic_flags &= ~IEEE80211_F_COUNTERM; 2192 break; 2193 case IEEE80211_IOC_WPA: 2194 if (ireq->i_val > 3) 2195 return EINVAL; 2196 /* XXX verify ciphers available */ 2197 ic->ic_flags &= ~IEEE80211_F_WPA; 2198 switch (ireq->i_val) { 2199 case 1: 2200 ic->ic_flags |= IEEE80211_F_WPA1; 2201 break; 2202 case 2: 2203 ic->ic_flags |= IEEE80211_F_WPA2; 2204 break; 2205 case 3: 2206 ic->ic_flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; 2207 break; 2208 } 2209 error = ENETRESET; /* XXX? */ 2210 break; 2211 case IEEE80211_IOC_WME: 2212 if (ireq->i_val) { 2213 if ((ic->ic_caps & IEEE80211_C_WME) == 0) 2214 return EINVAL; 2215 ic->ic_flags |= IEEE80211_F_WME; 2216 } else 2217 ic->ic_flags &= ~IEEE80211_F_WME; 2218 error = ENETRESET; /* XXX maybe not for station? */ 2219 break; 2220 case IEEE80211_IOC_HIDESSID: 2221 if (ireq->i_val) 2222 ic->ic_flags |= IEEE80211_F_HIDESSID; 2223 else 2224 ic->ic_flags &= ~IEEE80211_F_HIDESSID; 2225 error = ENETRESET; 2226 break; 2227 case IEEE80211_IOC_APBRIDGE: 2228 if (ireq->i_val == 0) 2229 ic->ic_flags |= IEEE80211_F_NOBRIDGE; 2230 else 2231 ic->ic_flags &= ~IEEE80211_F_NOBRIDGE; 2232 break; 2233 case IEEE80211_IOC_MCASTCIPHER: 2234 if ((ic->ic_caps & cipher2cap(ireq->i_val)) == 0 && 2235 !ieee80211_crypto_available(ireq->i_val)) 2236 return EINVAL; 2237 rsn->rsn_mcastcipher = ireq->i_val; 2238 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2239 break; 2240 case IEEE80211_IOC_MCASTKEYLEN: 2241 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2242 return EINVAL; 2243 /* XXX no way to verify driver capability */ 2244 rsn->rsn_mcastkeylen = ireq->i_val; 2245 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2246 break; 2247 case IEEE80211_IOC_UCASTCIPHERS: 2248 /* 2249 * Convert user-specified cipher set to the set 2250 * we can support (via hardware or software). 2251 * NB: this logic intentionally ignores unknown and 2252 * unsupported ciphers so folks can specify 0xff or 2253 * similar and get all available ciphers. 2254 */ 2255 caps = 0; 2256 for (j = 1; j < 32; j++) /* NB: skip WEP */ 2257 if ((ireq->i_val & (1<<j)) && 2258 ((ic->ic_caps & cipher2cap(j)) || 2259 ieee80211_crypto_available(j))) 2260 caps |= 1<<j; 2261 if (caps == 0) /* nothing available */ 2262 return EINVAL; 2263 /* XXX verify ciphers ok for unicast use? */ 2264 /* XXX disallow if running as it'll have no effect */ 2265 rsn->rsn_ucastcipherset = caps; 2266 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2267 break; 2268 case IEEE80211_IOC_UCASTCIPHER: 2269 if ((rsn->rsn_ucastcipherset & cipher2cap(ireq->i_val)) == 0) 2270 return EINVAL; 2271 rsn->rsn_ucastcipher = ireq->i_val; 2272 break; 2273 case IEEE80211_IOC_UCASTKEYLEN: 2274 if (!(0 < ireq->i_val && ireq->i_val < IEEE80211_KEYBUF_SIZE)) 2275 return EINVAL; 2276 /* XXX no way to verify driver capability */ 2277 rsn->rsn_ucastkeylen = ireq->i_val; 2278 break; 2279 case IEEE80211_IOC_DRIVER_CAPS: 2280 /* NB: for testing */ 2281 ic->ic_caps = (((u_int16_t) ireq->i_val) << 16) | 2282 ((u_int16_t) ireq->i_len); 2283 break; 2284 case IEEE80211_IOC_KEYMGTALGS: 2285 /* XXX check */ 2286 rsn->rsn_keymgmtset = ireq->i_val; 2287 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2288 break; 2289 case IEEE80211_IOC_RSNCAPS: 2290 /* XXX check */ 2291 rsn->rsn_caps = ireq->i_val; 2292 error = (ic->ic_flags & IEEE80211_F_WPA) ? ENETRESET : 0; 2293 break; 2294 #ifdef __FreeBSD__ 2295 case IEEE80211_IOC_BSSID: 2296 /* NB: should only be set when in STA mode */ 2297 if (ic->ic_opmode != IEEE80211_M_STA) 2298 return EINVAL; 2299 if (ireq->i_len != sizeof(tmpbssid)) 2300 return EINVAL; 2301 error = copyin(ireq->i_data, tmpbssid, ireq->i_len); 2302 if (error) 2303 break; 2304 IEEE80211_ADDR_COPY(ic->ic_des_bssid, tmpbssid); 2305 if (IEEE80211_ADDR_EQ(ic->ic_des_bssid, zerobssid)) 2306 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2307 else 2308 ic->ic_flags |= IEEE80211_F_DESBSSID; 2309 error = ENETRESET; 2310 break; 2311 #endif /* __FreeBSD__ */ 2312 case IEEE80211_IOC_CHANLIST: 2313 error = ieee80211_ioctl_setchanlist(ic, ireq); 2314 break; 2315 case IEEE80211_IOC_SCAN_REQ: 2316 if (ic->ic_opmode == IEEE80211_M_HOSTAP) /* XXX ignore */ 2317 break; 2318 error = ieee80211_setupscan(ic, ic->ic_chan_avail); 2319 if (error == 0) /* XXX background scan */ 2320 error = ieee80211_new_state(ic, IEEE80211_S_SCAN, -1); 2321 break; 2322 case IEEE80211_IOC_ADDMAC: 2323 case IEEE80211_IOC_DELMAC: 2324 error = ieee80211_ioctl_macmac(ic, ireq); 2325 break; 2326 case IEEE80211_IOC_MACCMD: 2327 error = ieee80211_ioctl_maccmd(ic, ireq); 2328 break; 2329 case IEEE80211_IOC_STA_TXPOW: 2330 error = ieee80211_ioctl_setstatxpow(ic, ireq); 2331 break; 2332 case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ 2333 case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ 2334 case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ 2335 case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ 2336 case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ 2337 case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ 2338 error = ieee80211_ioctl_setwmeparam(ic, ireq); 2339 break; 2340 case IEEE80211_IOC_DTIM_PERIOD: 2341 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2342 ic->ic_opmode != IEEE80211_M_IBSS) 2343 return EINVAL; 2344 if (IEEE80211_DTIM_MIN <= ireq->i_val && 2345 ireq->i_val <= IEEE80211_DTIM_MAX) { 2346 ic->ic_dtim_period = ireq->i_val; 2347 error = ENETRESET; /* requires restart */ 2348 } else 2349 error = EINVAL; 2350 break; 2351 case IEEE80211_IOC_BEACON_INTERVAL: 2352 if (ic->ic_opmode != IEEE80211_M_HOSTAP && 2353 ic->ic_opmode != IEEE80211_M_IBSS) 2354 return EINVAL; 2355 if (IEEE80211_BINTVAL_MIN <= ireq->i_val && 2356 ireq->i_val <= IEEE80211_BINTVAL_MAX) { 2357 ic->ic_lintval = ireq->i_val; 2358 error = ENETRESET; /* requires restart */ 2359 } else 2360 error = EINVAL; 2361 break; 2362 case IEEE80211_IOC_PUREG: 2363 if (ireq->i_val) 2364 ic->ic_flags |= IEEE80211_F_PUREG; 2365 else 2366 ic->ic_flags &= ~IEEE80211_F_PUREG; 2367 /* NB: reset only if we're operating on an 11g channel */ 2368 if (ic->ic_curmode == IEEE80211_MODE_11G) 2369 error = ENETRESET; 2370 break; 2371 default: 2372 error = EINVAL; 2373 break; 2374 } 2375 if (error == ENETRESET && !IS_UP_AUTO(ic)) 2376 error = 0; 2377 return error; 2378 } 2379 2380 #ifdef __FreeBSD__ 2381 int 2382 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2383 { 2384 struct ifnet *ifp = ic->ic_ifp; 2385 int error = 0; 2386 struct ifreq *ifr; 2387 struct ifaddr *ifa; /* XXX */ 2388 2389 switch (cmd) { 2390 case SIOCSIFMEDIA: 2391 case SIOCGIFMEDIA: 2392 error = ifmedia_ioctl(ifp, (struct ifreq *) data, 2393 &ic->ic_media, cmd); 2394 break; 2395 case SIOCG80211: 2396 error = ieee80211_ioctl_get80211(ic, cmd, 2397 (struct ieee80211req *) data); 2398 break; 2399 case SIOCS80211: 2400 error = suser(curthread); 2401 if (error == 0) 2402 error = ieee80211_ioctl_set80211(ic, cmd, 2403 (struct ieee80211req *) data); 2404 break; 2405 case SIOCGIFGENERIC: 2406 error = ieee80211_cfgget(ic, cmd, data); 2407 break; 2408 case SIOCSIFGENERIC: 2409 error = suser(curthread); 2410 if (error) 2411 break; 2412 error = ieee80211_cfgset(ic, cmd, data); 2413 break; 2414 case SIOCG80211STATS: 2415 ifr = (struct ifreq *)data; 2416 copyout(&ic->ic_stats, ifr->ifr_data, sizeof (ic->ic_stats)); 2417 break; 2418 case SIOCSIFMTU: 2419 ifr = (struct ifreq *)data; 2420 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2421 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2422 error = EINVAL; 2423 else 2424 ifp->if_mtu = ifr->ifr_mtu; 2425 break; 2426 case SIOCSIFADDR: 2427 /* 2428 * XXX Handle this directly so we can supress if_init calls. 2429 * XXX This should be done in ether_ioctl but for the moment 2430 * XXX there are too many other parts of the system that 2431 * XXX set IFF_UP and so supress if_init being called when 2432 * XXX it should be. 2433 */ 2434 ifa = (struct ifaddr *) data; 2435 switch (ifa->ifa_addr->sa_family) { 2436 #ifdef INET 2437 case AF_INET: 2438 if ((ifp->if_flags & IFF_UP) == 0) { 2439 ifp->if_flags |= IFF_UP; 2440 ifp->if_init(ifp->if_softc); 2441 } 2442 arp_ifinit(ifp, ifa); 2443 break; 2444 #endif 2445 #ifdef IPX 2446 /* 2447 * XXX - This code is probably wrong, 2448 * but has been copied many times. 2449 */ 2450 case AF_IPX: { 2451 struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); 2452 2453 if (ipx_nullhost(*ina)) 2454 ina->x_host = *(union ipx_host *) 2455 IFP2ENADDR(ifp); 2456 else 2457 bcopy((caddr_t) ina->x_host.c_host, 2458 (caddr_t) IFP2ENADDR(ifp), 2459 ETHER_ADDR_LEN); 2460 /* fall thru... */ 2461 } 2462 #endif 2463 default: 2464 if ((ifp->if_flags & IFF_UP) == 0) { 2465 ifp->if_flags |= IFF_UP; 2466 ifp->if_init(ifp->if_softc); 2467 } 2468 break; 2469 } 2470 break; 2471 default: 2472 error = ether_ioctl(ifp, cmd, data); 2473 break; 2474 } 2475 return error; 2476 } 2477 #endif /* __FreeBSD__ */ 2478 2479 #ifdef COMPAT_20 2480 static void 2481 ieee80211_get_ostats(struct ieee80211_ostats *ostats, 2482 struct ieee80211_stats *stats) 2483 { 2484 #define COPYSTATS1(__ostats, __nstats, __dstmemb, __srcmemb, __lastmemb)\ 2485 (void)memcpy(&(__ostats)->__dstmemb, &(__nstats)->__srcmemb, \ 2486 offsetof(struct ieee80211_stats, __lastmemb) - \ 2487 offsetof(struct ieee80211_stats, __srcmemb)) 2488 #define COPYSTATS(__ostats, __nstats, __dstmemb, __lastmemb) \ 2489 COPYSTATS1(__ostats, __nstats, __dstmemb, __dstmemb, __lastmemb) 2490 2491 COPYSTATS(ostats, stats, is_rx_badversion, is_rx_unencrypted); 2492 COPYSTATS(ostats, stats, is_rx_wepfail, is_rx_beacon); 2493 COPYSTATS(ostats, stats, is_rx_rstoobig, is_rx_auth_countermeasures); 2494 COPYSTATS(ostats, stats, is_rx_assoc_bss, is_rx_assoc_badwpaie); 2495 COPYSTATS(ostats, stats, is_rx_deauth, is_rx_unauth); 2496 COPYSTATS1(ostats, stats, is_tx_nombuf, is_tx_nobuf, is_tx_badcipher); 2497 COPYSTATS(ostats, stats, is_scan_active, is_crypto_tkip); 2498 } 2499 #endif /* COMPAT_20 */ 2500 2501 #ifdef __NetBSD__ 2502 int 2503 ieee80211_ioctl(struct ieee80211com *ic, u_long cmd, caddr_t data) 2504 { 2505 struct ifnet *ifp = ic->ic_ifp; 2506 struct ifreq *ifr = (struct ifreq *)data; 2507 int i, error = 0, kid, klen, s; 2508 struct ieee80211_key *k; 2509 struct ieee80211_nwid nwid; 2510 struct ieee80211_nwkey *nwkey; 2511 struct ieee80211_power *power; 2512 struct ieee80211_bssid *bssid; 2513 struct ieee80211chanreq *chanreq; 2514 struct ieee80211_channel *chan; 2515 uint32_t oflags; 2516 #ifdef COMPAT_20 2517 struct ieee80211_ostats ostats; 2518 #endif /* COMPAT_20 */ 2519 static const u_int8_t empty_macaddr[IEEE80211_ADDR_LEN] = { 2520 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 2521 }; 2522 u_int8_t tmpkey[IEEE80211_WEP_NKID][IEEE80211_KEYBUF_SIZE]; 2523 2524 switch (cmd) { 2525 case SIOCSIFMEDIA: 2526 case SIOCGIFMEDIA: 2527 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd); 2528 break; 2529 case SIOCG80211: 2530 error = ieee80211_ioctl_get80211(ic, cmd, 2531 (struct ieee80211req *) data); 2532 break; 2533 case SIOCS80211: 2534 if ((error = suser(curproc->p_ucred, &curproc->p_acflag)) != 0) 2535 break; 2536 error = ieee80211_ioctl_set80211(ic, cmd, 2537 (struct ieee80211req *) data); 2538 break; 2539 case SIOCS80211NWID: 2540 if ((error = copyin(ifr->ifr_data, &nwid, sizeof(nwid))) != 0) 2541 break; 2542 if (nwid.i_len > IEEE80211_NWID_LEN) { 2543 error = EINVAL; 2544 break; 2545 } 2546 memset(ic->ic_des_essid, 0, IEEE80211_NWID_LEN); 2547 ic->ic_des_esslen = nwid.i_len; 2548 memcpy(ic->ic_des_essid, nwid.i_nwid, nwid.i_len); 2549 error = ENETRESET; 2550 break; 2551 case SIOCG80211NWID: 2552 memset(&nwid, 0, sizeof(nwid)); 2553 switch (ic->ic_state) { 2554 case IEEE80211_S_INIT: 2555 case IEEE80211_S_SCAN: 2556 nwid.i_len = ic->ic_des_esslen; 2557 memcpy(nwid.i_nwid, ic->ic_des_essid, nwid.i_len); 2558 break; 2559 default: 2560 nwid.i_len = ic->ic_bss->ni_esslen; 2561 memcpy(nwid.i_nwid, ic->ic_bss->ni_essid, nwid.i_len); 2562 break; 2563 } 2564 error = copyout(&nwid, ifr->ifr_data, sizeof(nwid)); 2565 break; 2566 case SIOCS80211NWKEY: 2567 nwkey = (struct ieee80211_nwkey *)data; 2568 /* transmit key index out of range? */ 2569 kid = nwkey->i_defkid - 1; 2570 if (kid < 0 || kid >= IEEE80211_WEP_NKID) { 2571 error = EINVAL; 2572 break; 2573 } 2574 /* no such transmit key is set? */ 2575 if (nwkey->i_key[kid].i_keylen == 0 || 2576 (nwkey->i_key[kid].i_keylen == -1 && 2577 ic->ic_nw_keys[kid].wk_keylen == 0)) { 2578 if (nwkey->i_wepon != IEEE80211_NWKEY_OPEN) { 2579 error = EINVAL; 2580 break; 2581 } 2582 } 2583 /* check key lengths */ 2584 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2585 klen = nwkey->i_key[kid].i_keylen; 2586 if ((klen > 0 && 2587 klen < IEEE80211_WEP_KEYLEN) || 2588 klen > sizeof(ic->ic_nw_keys[kid].wk_key)) { 2589 error = EINVAL; 2590 break; 2591 } 2592 } 2593 2594 if (error) 2595 break; 2596 2597 /* copy in keys */ 2598 (void)memset(tmpkey, 0, sizeof(tmpkey)); 2599 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2600 klen = nwkey->i_key[kid].i_keylen; 2601 if (klen <= 0) 2602 continue; 2603 if ((error = copyin(nwkey->i_key[kid].i_keydat, 2604 tmpkey[kid], klen)) != 0) 2605 break; 2606 } 2607 2608 if (error) 2609 break; 2610 2611 /* set keys */ 2612 ieee80211_key_update_begin(ic); 2613 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2614 klen = nwkey->i_key[kid].i_keylen; 2615 if (klen <= 0) 2616 continue; 2617 k = &ic->ic_nw_keys[kid]; 2618 k->wk_keyix = kid; 2619 if (!ieee80211_crypto_newkey(ic, IEEE80211_CIPHER_WEP, 2620 IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { 2621 error = EINVAL; 2622 continue; 2623 } 2624 k->wk_keylen = nwkey->i_key[kid].i_keylen; 2625 (void)memcpy(k->wk_key, tmpkey[kid], 2626 sizeof(tmpkey[kid])); 2627 if (!ieee80211_crypto_setkey(ic, k, ic->ic_myaddr)) 2628 error = EINVAL; 2629 } 2630 ieee80211_key_update_end(ic); 2631 2632 if (error) 2633 break; 2634 2635 /* delete keys */ 2636 for (kid = 0; kid < IEEE80211_WEP_NKID; kid++) { 2637 klen = nwkey->i_key[kid].i_keylen; 2638 k = &ic->ic_nw_keys[kid]; 2639 if (klen <= 0) 2640 (void)ieee80211_crypto_delkey(ic, k); 2641 } 2642 2643 /* set transmit key */ 2644 kid = nwkey->i_defkid - 1; 2645 if (ic->ic_def_txkey != kid) { 2646 ic->ic_def_txkey = kid; 2647 error = ENETRESET; 2648 } 2649 oflags = ic->ic_flags; 2650 if (nwkey->i_wepon == IEEE80211_NWKEY_OPEN) { 2651 ic->ic_flags &= ~IEEE80211_F_PRIVACY; 2652 ic->ic_flags &= ~IEEE80211_F_DROPUNENC; 2653 } else { 2654 ic->ic_flags |= IEEE80211_F_PRIVACY; 2655 ic->ic_flags |= IEEE80211_F_DROPUNENC; 2656 } 2657 if (oflags != ic->ic_flags) 2658 error = ENETRESET; 2659 break; 2660 case SIOCG80211NWKEY: 2661 nwkey = (struct ieee80211_nwkey *)data; 2662 if (ic->ic_flags & IEEE80211_F_PRIVACY) 2663 nwkey->i_wepon = IEEE80211_NWKEY_WEP; 2664 else 2665 nwkey->i_wepon = IEEE80211_NWKEY_OPEN; 2666 nwkey->i_defkid = ic->ic_def_txkey + 1; 2667 for (i = 0; i < IEEE80211_WEP_NKID; i++) { 2668 if (nwkey->i_key[i].i_keydat == NULL) 2669 continue; 2670 /* do not show any keys to non-root user */ 2671 if ((error = suser(curproc->p_ucred, 2672 &curproc->p_acflag)) != 0) 2673 break; 2674 nwkey->i_key[i].i_keylen = ic->ic_nw_keys[i].wk_keylen; 2675 if ((error = copyout(ic->ic_nw_keys[i].wk_key, 2676 nwkey->i_key[i].i_keydat, 2677 ic->ic_nw_keys[i].wk_keylen)) != 0) 2678 break; 2679 } 2680 break; 2681 case SIOCS80211POWER: 2682 power = (struct ieee80211_power *)data; 2683 ic->ic_lintval = power->i_maxsleep; 2684 if (power->i_enabled != 0) { 2685 if ((ic->ic_caps & IEEE80211_C_PMGT) == 0) 2686 error = EINVAL; 2687 else if ((ic->ic_flags & IEEE80211_F_PMGTON) == 0) { 2688 ic->ic_flags |= IEEE80211_F_PMGTON; 2689 error = ENETRESET; 2690 } 2691 } else { 2692 if (ic->ic_flags & IEEE80211_F_PMGTON) { 2693 ic->ic_flags &= ~IEEE80211_F_PMGTON; 2694 error = ENETRESET; 2695 } 2696 } 2697 break; 2698 case SIOCG80211POWER: 2699 power = (struct ieee80211_power *)data; 2700 power->i_enabled = (ic->ic_flags & IEEE80211_F_PMGTON) ? 1 : 0; 2701 power->i_maxsleep = ic->ic_lintval; 2702 break; 2703 case SIOCS80211BSSID: 2704 bssid = (struct ieee80211_bssid *)data; 2705 if (IEEE80211_ADDR_EQ(bssid->i_bssid, empty_macaddr)) 2706 ic->ic_flags &= ~IEEE80211_F_DESBSSID; 2707 else { 2708 ic->ic_flags |= IEEE80211_F_DESBSSID; 2709 IEEE80211_ADDR_COPY(ic->ic_des_bssid, bssid->i_bssid); 2710 } 2711 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2712 break; 2713 switch (ic->ic_state) { 2714 case IEEE80211_S_INIT: 2715 case IEEE80211_S_SCAN: 2716 error = ENETRESET; 2717 break; 2718 default: 2719 if ((ic->ic_flags & IEEE80211_F_DESBSSID) && 2720 !IEEE80211_ADDR_EQ(ic->ic_des_bssid, 2721 ic->ic_bss->ni_bssid)) 2722 error = ENETRESET; 2723 break; 2724 } 2725 break; 2726 case SIOCG80211BSSID: 2727 bssid = (struct ieee80211_bssid *)data; 2728 switch (ic->ic_state) { 2729 case IEEE80211_S_INIT: 2730 case IEEE80211_S_SCAN: 2731 if (ic->ic_opmode == IEEE80211_M_HOSTAP) 2732 IEEE80211_ADDR_COPY(bssid->i_bssid, 2733 ic->ic_myaddr); 2734 else if (ic->ic_flags & IEEE80211_F_DESBSSID) 2735 IEEE80211_ADDR_COPY(bssid->i_bssid, 2736 ic->ic_des_bssid); 2737 else 2738 memset(bssid->i_bssid, 0, IEEE80211_ADDR_LEN); 2739 break; 2740 default: 2741 IEEE80211_ADDR_COPY(bssid->i_bssid, 2742 ic->ic_bss->ni_bssid); 2743 break; 2744 } 2745 break; 2746 case SIOCS80211CHANNEL: 2747 chanreq = (struct ieee80211chanreq *)data; 2748 if (chanreq->i_channel == IEEE80211_CHAN_ANY) 2749 ic->ic_des_chan = IEEE80211_CHAN_ANYC; 2750 else if (chanreq->i_channel > IEEE80211_CHAN_MAX || 2751 isclr(ic->ic_chan_active, chanreq->i_channel)) { 2752 error = EINVAL; 2753 break; 2754 } else 2755 ic->ic_ibss_chan = ic->ic_des_chan = 2756 &ic->ic_channels[chanreq->i_channel]; 2757 switch (ic->ic_state) { 2758 case IEEE80211_S_INIT: 2759 case IEEE80211_S_SCAN: 2760 error = ENETRESET; 2761 break; 2762 default: 2763 if (ic->ic_opmode == IEEE80211_M_STA) { 2764 if (ic->ic_des_chan != IEEE80211_CHAN_ANYC && 2765 ic->ic_bss->ni_chan != ic->ic_des_chan) 2766 error = ENETRESET; 2767 } else { 2768 if (ic->ic_bss->ni_chan != ic->ic_ibss_chan) 2769 error = ENETRESET; 2770 } 2771 break; 2772 } 2773 break; 2774 case SIOCG80211CHANNEL: 2775 chanreq = (struct ieee80211chanreq *)data; 2776 switch (ic->ic_state) { 2777 case IEEE80211_S_INIT: 2778 case IEEE80211_S_SCAN: 2779 if (ic->ic_opmode == IEEE80211_M_STA) 2780 chan = ic->ic_des_chan; 2781 else 2782 chan = ic->ic_ibss_chan; 2783 break; 2784 default: 2785 chan = ic->ic_bss->ni_chan; 2786 break; 2787 } 2788 chanreq->i_channel = ieee80211_chan2ieee(ic, chan); 2789 break; 2790 case SIOCGIFGENERIC: 2791 error = ieee80211_cfgget(ic, cmd, data); 2792 break; 2793 case SIOCSIFGENERIC: 2794 error = suser(curproc->p_ucred, &curproc->p_acflag); 2795 if (error) 2796 break; 2797 error = ieee80211_cfgset(ic, cmd, data); 2798 break; 2799 #ifdef COMPAT_20 2800 case OSIOCG80211STATS: 2801 case OSIOCG80211ZSTATS: 2802 ifr = (struct ifreq *)data; 2803 s = splnet(); 2804 ieee80211_get_ostats(&ostats, &ic->ic_stats); 2805 error = copyout(&ostats, ifr->ifr_data, sizeof(ostats)); 2806 if (error == 0 && cmd == OSIOCG80211ZSTATS) 2807 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 2808 splx(s); 2809 break; 2810 #endif /* COMPAT_20 */ 2811 case SIOCG80211ZSTATS: 2812 case SIOCG80211STATS: 2813 ifr = (struct ifreq *)data; 2814 s = splnet(); 2815 error = copyout(&ic->ic_stats, ifr->ifr_buf, 2816 MIN(sizeof(ic->ic_stats), ifr->ifr_buflen)); 2817 if (error == 0 && cmd == SIOCG80211ZSTATS) 2818 (void)memset(&ic->ic_stats, 0, sizeof(ic->ic_stats)); 2819 splx(s); 2820 break; 2821 case SIOCSIFMTU: 2822 ifr = (struct ifreq *)data; 2823 if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && 2824 ifr->ifr_mtu <= IEEE80211_MTU_MAX)) 2825 error = EINVAL; 2826 else 2827 ifp->if_mtu = ifr->ifr_mtu; 2828 break; 2829 default: 2830 error = ether_ioctl(ifp, cmd, data); 2831 break; 2832 } 2833 return error; 2834 } 2835 #endif /* __NetBSD__ */ 2836
Indexes created Thu Sep 25 16:09:42 GMT 2025