| 1 | /*- |
| 2 | * Copyright (c) 2001 Atsushi Onoe |
| 3 | * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Redistribution and use in source and binary forms, with or without |
| 7 | * modification, are permitted provided that the following conditions |
| 8 | * are met: |
| 9 | * 1. Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * 2. Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
| 14 | * |
| 15 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 16 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 17 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 18 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 19 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 20 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 21 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 22 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 24 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | * |
| 26 | * $FreeBSD: head/sys/net80211/ieee80211_ioctl.c 202935 2010-01-24 16:17:58Z syrinx $ |
| 27 | * $DragonFly$ |
| 28 | */ |
| 29 | |
| 30 | /* |
| 31 | * IEEE 802.11 ioctl support (DragonFlyBSD-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_var.h> |
| 48 | #include <net/if_dl.h> |
| 49 | #include <net/if_media.h> |
| 50 | #include <net/ethernet.h> |
| 51 | #include <net/route.h> |
| 52 | |
| 53 | #ifdef INET |
| 54 | #include <netinet/in.h> |
| 55 | #include <netinet/if_ether.h> |
| 56 | #endif |
| 57 | |
| 58 | #ifdef IPX |
| 59 | #include <netproto/ipx/ipx.h> |
| 60 | #include <netproto/ipx/ipx_if.h> |
| 61 | #endif |
| 62 | |
| 63 | #include <netproto/802_11/ieee80211_var.h> |
| 64 | #include <netproto/802_11/ieee80211_ioctl.h> |
| 65 | #include <netproto/802_11/ieee80211_regdomain.h> |
| 66 | #include <netproto/802_11/ieee80211_input.h> |
| 67 | |
| 68 | #define IS_UP_AUTO(_vap) \ |
| 69 | (IFNET_IS_UP_RUNNING((_vap)->iv_ifp) && \ |
| 70 | (_vap)->iv_roaming == IEEE80211_ROAMING_AUTO) |
| 71 | |
| 72 | static const uint8_t zerobssid[IEEE80211_ADDR_LEN]; |
| 73 | static struct ieee80211_channel *findchannel(struct ieee80211com *, |
| 74 | int ieee, int mode); |
| 75 | |
| 76 | static __noinline int |
| 77 | ieee80211_ioctl_getkey(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 78 | { |
| 79 | struct ieee80211com *ic = vap->iv_ic; |
| 80 | struct ieee80211_node *ni; |
| 81 | struct ieee80211req_key ik; |
| 82 | struct ieee80211_key *wk; |
| 83 | const struct ieee80211_cipher *cip; |
| 84 | u_int kid; |
| 85 | int error; |
| 86 | |
| 87 | if (ireq->i_len != sizeof(ik)) |
| 88 | return EINVAL; |
| 89 | error = copyin(ireq->i_data, &ik, sizeof(ik)); |
| 90 | if (error) |
| 91 | return error; |
| 92 | kid = ik.ik_keyix; |
| 93 | if (kid == IEEE80211_KEYIX_NONE) { |
| 94 | ni = ieee80211_find_vap_node(&ic->ic_sta, vap, ik.ik_macaddr); |
| 95 | if (ni == NULL) |
| 96 | return ENOENT; |
| 97 | wk = &ni->ni_ucastkey; |
| 98 | } else { |
| 99 | if (kid >= IEEE80211_WEP_NKID) |
| 100 | return EINVAL; |
| 101 | wk = &vap->iv_nw_keys[kid]; |
| 102 | IEEE80211_ADDR_COPY(&ik.ik_macaddr, vap->iv_bss->ni_macaddr); |
| 103 | ni = NULL; |
| 104 | } |
| 105 | cip = wk->wk_cipher; |
| 106 | ik.ik_type = cip->ic_cipher; |
| 107 | ik.ik_keylen = wk->wk_keylen; |
| 108 | ik.ik_flags = wk->wk_flags & (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV); |
| 109 | if (wk->wk_keyix == vap->iv_def_txkey) |
| 110 | ik.ik_flags |= IEEE80211_KEY_DEFAULT; |
| 111 | if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { |
| 112 | /* NB: only root can read key data */ |
| 113 | ik.ik_keyrsc = wk->wk_keyrsc[IEEE80211_NONQOS_TID]; |
| 114 | ik.ik_keytsc = wk->wk_keytsc; |
| 115 | memcpy(ik.ik_keydata, wk->wk_key, wk->wk_keylen); |
| 116 | if (cip->ic_cipher == IEEE80211_CIPHER_TKIP) { |
| 117 | memcpy(ik.ik_keydata+wk->wk_keylen, |
| 118 | wk->wk_key + IEEE80211_KEYBUF_SIZE, |
| 119 | IEEE80211_MICBUF_SIZE); |
| 120 | ik.ik_keylen += IEEE80211_MICBUF_SIZE; |
| 121 | } |
| 122 | } else { |
| 123 | ik.ik_keyrsc = 0; |
| 124 | ik.ik_keytsc = 0; |
| 125 | memset(ik.ik_keydata, 0, sizeof(ik.ik_keydata)); |
| 126 | } |
| 127 | if (ni != NULL) |
| 128 | ieee80211_free_node(ni); |
| 129 | return copyout(&ik, ireq->i_data, sizeof(ik)); |
| 130 | } |
| 131 | |
| 132 | static __noinline int |
| 133 | ieee80211_ioctl_getchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 134 | { |
| 135 | struct ieee80211com *ic = vap->iv_ic; |
| 136 | |
| 137 | if (sizeof(ic->ic_chan_active) < ireq->i_len) |
| 138 | ireq->i_len = sizeof(ic->ic_chan_active); |
| 139 | return copyout(&ic->ic_chan_active, ireq->i_data, ireq->i_len); |
| 140 | } |
| 141 | |
| 142 | static __noinline int |
| 143 | ieee80211_ioctl_getchaninfo(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 144 | { |
| 145 | struct ieee80211com *ic = vap->iv_ic; |
| 146 | int space; |
| 147 | |
| 148 | space = __offsetof(struct ieee80211req_chaninfo, |
| 149 | ic_chans[ic->ic_nchans]); |
| 150 | if (space > ireq->i_len) |
| 151 | space = ireq->i_len; |
| 152 | /* XXX assumes compatible layout */ |
| 153 | return copyout(&ic->ic_nchans, ireq->i_data, space); |
| 154 | } |
| 155 | |
| 156 | static __noinline int |
| 157 | ieee80211_ioctl_getwpaie(struct ieee80211vap *vap, |
| 158 | struct ieee80211req *ireq, int req) |
| 159 | { |
| 160 | struct ieee80211_node *ni; |
| 161 | struct ieee80211req_wpaie2 wpaie; |
| 162 | int error; |
| 163 | |
| 164 | if (ireq->i_len < IEEE80211_ADDR_LEN) |
| 165 | return EINVAL; |
| 166 | error = copyin(ireq->i_data, wpaie.wpa_macaddr, IEEE80211_ADDR_LEN); |
| 167 | if (error != 0) |
| 168 | return error; |
| 169 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, wpaie.wpa_macaddr); |
| 170 | if (ni == NULL) |
| 171 | return ENOENT; |
| 172 | memset(wpaie.wpa_ie, 0, sizeof(wpaie.wpa_ie)); |
| 173 | if (ni->ni_ies.wpa_ie != NULL) { |
| 174 | int ielen = ni->ni_ies.wpa_ie[1] + 2; |
| 175 | if (ielen > sizeof(wpaie.wpa_ie)) |
| 176 | ielen = sizeof(wpaie.wpa_ie); |
| 177 | memcpy(wpaie.wpa_ie, ni->ni_ies.wpa_ie, ielen); |
| 178 | } |
| 179 | if (req == IEEE80211_IOC_WPAIE2) { |
| 180 | memset(wpaie.rsn_ie, 0, sizeof(wpaie.rsn_ie)); |
| 181 | if (ni->ni_ies.rsn_ie != NULL) { |
| 182 | int ielen = ni->ni_ies.rsn_ie[1] + 2; |
| 183 | if (ielen > sizeof(wpaie.rsn_ie)) |
| 184 | ielen = sizeof(wpaie.rsn_ie); |
| 185 | memcpy(wpaie.rsn_ie, ni->ni_ies.rsn_ie, ielen); |
| 186 | } |
| 187 | if (ireq->i_len > sizeof(struct ieee80211req_wpaie2)) |
| 188 | ireq->i_len = sizeof(struct ieee80211req_wpaie2); |
| 189 | } else { |
| 190 | /* compatibility op, may overwrite wpa ie */ |
| 191 | /* XXX check ic_flags? */ |
| 192 | if (ni->ni_ies.rsn_ie != NULL) { |
| 193 | int ielen = ni->ni_ies.rsn_ie[1] + 2; |
| 194 | if (ielen > sizeof(wpaie.wpa_ie)) |
| 195 | ielen = sizeof(wpaie.wpa_ie); |
| 196 | memcpy(wpaie.wpa_ie, ni->ni_ies.rsn_ie, ielen); |
| 197 | } |
| 198 | if (ireq->i_len > sizeof(struct ieee80211req_wpaie)) |
| 199 | ireq->i_len = sizeof(struct ieee80211req_wpaie); |
| 200 | } |
| 201 | ieee80211_free_node(ni); |
| 202 | return copyout(&wpaie, ireq->i_data, ireq->i_len); |
| 203 | } |
| 204 | |
| 205 | static __noinline int |
| 206 | ieee80211_ioctl_getstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 207 | { |
| 208 | struct ieee80211_node *ni; |
| 209 | uint8_t macaddr[IEEE80211_ADDR_LEN]; |
| 210 | const int off = __offsetof(struct ieee80211req_sta_stats, is_stats); |
| 211 | int error; |
| 212 | |
| 213 | if (ireq->i_len < off) |
| 214 | return EINVAL; |
| 215 | error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); |
| 216 | if (error != 0) |
| 217 | return error; |
| 218 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); |
| 219 | if (ni == NULL) |
| 220 | return ENOENT; |
| 221 | if (ireq->i_len > sizeof(struct ieee80211req_sta_stats)) |
| 222 | ireq->i_len = sizeof(struct ieee80211req_sta_stats); |
| 223 | /* NB: copy out only the statistics */ |
| 224 | error = copyout(&ni->ni_stats, (uint8_t *) ireq->i_data + off, |
| 225 | ireq->i_len - off); |
| 226 | ieee80211_free_node(ni); |
| 227 | return error; |
| 228 | } |
| 229 | |
| 230 | struct scanreq { |
| 231 | struct ieee80211req_scan_result *sr; |
| 232 | size_t space; |
| 233 | }; |
| 234 | |
| 235 | static size_t |
| 236 | scan_space(const struct ieee80211_scan_entry *se, int *ielen) |
| 237 | { |
| 238 | size_t len; |
| 239 | |
| 240 | *ielen = se->se_ies.len; |
| 241 | /* |
| 242 | * NB: ie's can be no more than 255 bytes and the max 802.11 |
| 243 | * packet is <3Kbytes so we are sure this doesn't overflow |
| 244 | * 16-bits; if this is a concern we can drop the ie's. |
| 245 | */ |
| 246 | len = sizeof(struct ieee80211req_scan_result) + se->se_ssid[1] + |
| 247 | se->se_meshid[1] + *ielen; |
| 248 | return roundup(len, sizeof(uint32_t)); |
| 249 | } |
| 250 | |
| 251 | static void |
| 252 | get_scan_space(void *arg, const struct ieee80211_scan_entry *se) |
| 253 | { |
| 254 | struct scanreq *req = arg; |
| 255 | int ielen; |
| 256 | |
| 257 | req->space += scan_space(se, &ielen); |
| 258 | } |
| 259 | |
| 260 | static __noinline void |
| 261 | get_scan_result(void *arg, const struct ieee80211_scan_entry *se) |
| 262 | { |
| 263 | struct scanreq *req = arg; |
| 264 | struct ieee80211req_scan_result *sr; |
| 265 | int ielen, len, nr, nxr; |
| 266 | uint8_t *cp; |
| 267 | |
| 268 | len = scan_space(se, &ielen); |
| 269 | if (len > req->space) |
| 270 | return; |
| 271 | |
| 272 | sr = req->sr; |
| 273 | KASSERT(len <= 65535 && ielen <= 65535, |
| 274 | ("len %u ssid %u ie %u", len, se->se_ssid[1], ielen)); |
| 275 | sr->isr_len = len; |
| 276 | sr->isr_ie_off = sizeof(struct ieee80211req_scan_result); |
| 277 | sr->isr_ie_len = ielen; |
| 278 | sr->isr_freq = se->se_chan->ic_freq; |
| 279 | sr->isr_flags = se->se_chan->ic_flags; |
| 280 | sr->isr_rssi = se->se_rssi; |
| 281 | sr->isr_noise = se->se_noise; |
| 282 | sr->isr_intval = se->se_intval; |
| 283 | sr->isr_capinfo = se->se_capinfo; |
| 284 | sr->isr_erp = se->se_erp; |
| 285 | IEEE80211_ADDR_COPY(sr->isr_bssid, se->se_bssid); |
| 286 | nr = min(se->se_rates[1], IEEE80211_RATE_MAXSIZE); |
| 287 | memcpy(sr->isr_rates, se->se_rates+2, nr); |
| 288 | nxr = min(se->se_xrates[1], IEEE80211_RATE_MAXSIZE - nr); |
| 289 | memcpy(sr->isr_rates+nr, se->se_xrates+2, nxr); |
| 290 | sr->isr_nrates = nr + nxr; |
| 291 | |
| 292 | /* copy SSID */ |
| 293 | sr->isr_ssid_len = se->se_ssid[1]; |
| 294 | cp = ((uint8_t *)sr) + sr->isr_ie_off; |
| 295 | memcpy(cp, se->se_ssid+2, sr->isr_ssid_len); |
| 296 | |
| 297 | /* copy mesh id */ |
| 298 | cp += sr->isr_ssid_len; |
| 299 | sr->isr_meshid_len = se->se_meshid[1]; |
| 300 | memcpy(cp, se->se_meshid+2, sr->isr_meshid_len); |
| 301 | cp += sr->isr_meshid_len; |
| 302 | |
| 303 | if (ielen) |
| 304 | memcpy(cp, se->se_ies.data, ielen); |
| 305 | |
| 306 | req->space -= len; |
| 307 | req->sr = (struct ieee80211req_scan_result *)(((uint8_t *)sr) + len); |
| 308 | } |
| 309 | |
| 310 | static __noinline int |
| 311 | ieee80211_ioctl_getscanresults(struct ieee80211vap *vap, |
| 312 | struct ieee80211req *ireq) |
| 313 | { |
| 314 | struct scanreq req; |
| 315 | int error; |
| 316 | |
| 317 | if (ireq->i_len < sizeof(struct scanreq)) |
| 318 | return EFAULT; |
| 319 | |
| 320 | error = 0; |
| 321 | req.space = 0; |
| 322 | ieee80211_scan_iterate(vap, get_scan_space, &req); |
| 323 | if (req.space > ireq->i_len) |
| 324 | req.space = ireq->i_len; |
| 325 | if (req.space > 0) { |
| 326 | size_t space; |
| 327 | void *p; |
| 328 | |
| 329 | space = req.space; |
| 330 | /* XXX M_WAITOK after driver lock released */ |
| 331 | p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); |
| 332 | if (p == NULL) |
| 333 | return ENOMEM; |
| 334 | req.sr = p; |
| 335 | ieee80211_scan_iterate(vap, get_scan_result, &req); |
| 336 | ireq->i_len = space - req.space; |
| 337 | error = copyout(p, ireq->i_data, ireq->i_len); |
| 338 | kfree(p, M_TEMP); |
| 339 | } else |
| 340 | ireq->i_len = 0; |
| 341 | |
| 342 | return error; |
| 343 | } |
| 344 | |
| 345 | struct stainforeq { |
| 346 | struct ieee80211vap *vap; |
| 347 | struct ieee80211req_sta_info *si; |
| 348 | size_t space; |
| 349 | }; |
| 350 | |
| 351 | static size_t |
| 352 | sta_space(const struct ieee80211_node *ni, size_t *ielen) |
| 353 | { |
| 354 | *ielen = ni->ni_ies.len; |
| 355 | return roundup(sizeof(struct ieee80211req_sta_info) + *ielen, |
| 356 | sizeof(uint32_t)); |
| 357 | } |
| 358 | |
| 359 | static void |
| 360 | get_sta_space(void *arg, struct ieee80211_node *ni) |
| 361 | { |
| 362 | struct stainforeq *req = arg; |
| 363 | size_t ielen; |
| 364 | |
| 365 | if (req->vap != ni->ni_vap) |
| 366 | return; |
| 367 | if (ni->ni_vap->iv_opmode == IEEE80211_M_HOSTAP && |
| 368 | ni->ni_associd == 0) /* only associated stations */ |
| 369 | return; |
| 370 | req->space += sta_space(ni, &ielen); |
| 371 | } |
| 372 | |
| 373 | static __noinline void |
| 374 | get_sta_info(void *arg, struct ieee80211_node *ni) |
| 375 | { |
| 376 | struct stainforeq *req = arg; |
| 377 | struct ieee80211vap *vap = ni->ni_vap; |
| 378 | struct ieee80211req_sta_info *si; |
| 379 | size_t ielen, len; |
| 380 | uint8_t *cp; |
| 381 | |
| 382 | if (req->vap != ni->ni_vap) |
| 383 | return; |
| 384 | if (vap->iv_opmode == IEEE80211_M_HOSTAP && |
| 385 | ni->ni_associd == 0) /* only associated stations */ |
| 386 | return; |
| 387 | if (ni->ni_chan == IEEE80211_CHAN_ANYC) /* XXX bogus entry */ |
| 388 | return; |
| 389 | len = sta_space(ni, &ielen); |
| 390 | if (len > req->space) |
| 391 | return; |
| 392 | si = req->si; |
| 393 | si->isi_len = len; |
| 394 | si->isi_ie_off = sizeof(struct ieee80211req_sta_info); |
| 395 | si->isi_ie_len = ielen; |
| 396 | si->isi_freq = ni->ni_chan->ic_freq; |
| 397 | si->isi_flags = ni->ni_chan->ic_flags; |
| 398 | si->isi_state = ni->ni_flags; |
| 399 | si->isi_authmode = ni->ni_authmode; |
| 400 | vap->iv_ic->ic_node_getsignal(ni, &si->isi_rssi, &si->isi_noise); |
| 401 | vap->iv_ic->ic_node_getmimoinfo(ni, &si->isi_mimo); |
| 402 | si->isi_capinfo = ni->ni_capinfo; |
| 403 | si->isi_erp = ni->ni_erp; |
| 404 | IEEE80211_ADDR_COPY(si->isi_macaddr, ni->ni_macaddr); |
| 405 | si->isi_nrates = ni->ni_rates.rs_nrates; |
| 406 | if (si->isi_nrates > 15) |
| 407 | si->isi_nrates = 15; |
| 408 | memcpy(si->isi_rates, ni->ni_rates.rs_rates, si->isi_nrates); |
| 409 | si->isi_txrate = ni->ni_txrate; |
| 410 | if (si->isi_txrate & IEEE80211_RATE_MCS) { |
| 411 | const struct ieee80211_mcs_rates *mcs = |
| 412 | &ieee80211_htrates[ni->ni_txrate &~ IEEE80211_RATE_MCS]; |
| 413 | if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) { |
| 414 | if (ni->ni_flags & IEEE80211_NODE_SGI40) |
| 415 | si->isi_txmbps = mcs->ht40_rate_800ns; |
| 416 | else |
| 417 | si->isi_txmbps = mcs->ht40_rate_400ns; |
| 418 | } else { |
| 419 | if (ni->ni_flags & IEEE80211_NODE_SGI20) |
| 420 | si->isi_txmbps = mcs->ht20_rate_800ns; |
| 421 | else |
| 422 | si->isi_txmbps = mcs->ht20_rate_400ns; |
| 423 | } |
| 424 | } else |
| 425 | si->isi_txmbps = si->isi_txrate; |
| 426 | si->isi_associd = ni->ni_associd; |
| 427 | si->isi_txpower = ni->ni_txpower; |
| 428 | si->isi_vlan = ni->ni_vlan; |
| 429 | if (ni->ni_flags & IEEE80211_NODE_QOS) { |
| 430 | memcpy(si->isi_txseqs, ni->ni_txseqs, sizeof(ni->ni_txseqs)); |
| 431 | memcpy(si->isi_rxseqs, ni->ni_rxseqs, sizeof(ni->ni_rxseqs)); |
| 432 | } else { |
| 433 | si->isi_txseqs[0] = ni->ni_txseqs[IEEE80211_NONQOS_TID]; |
| 434 | si->isi_rxseqs[0] = ni->ni_rxseqs[IEEE80211_NONQOS_TID]; |
| 435 | } |
| 436 | /* NB: leave all cases in case we relax ni_associd == 0 check */ |
| 437 | if (ieee80211_node_is_authorized(ni)) |
| 438 | si->isi_inact = vap->iv_inact_run; |
| 439 | else if (ni->ni_associd != 0 || |
| 440 | (vap->iv_opmode == IEEE80211_M_WDS && |
| 441 | (vap->iv_flags_ext & IEEE80211_FEXT_WDSLEGACY))) |
| 442 | si->isi_inact = vap->iv_inact_auth; |
| 443 | else |
| 444 | si->isi_inact = vap->iv_inact_init; |
| 445 | si->isi_inact = (si->isi_inact - ni->ni_inact) * IEEE80211_INACT_WAIT; |
| 446 | si->isi_localid = ni->ni_mllid; |
| 447 | si->isi_peerid = ni->ni_mlpid; |
| 448 | si->isi_peerstate = ni->ni_mlstate; |
| 449 | |
| 450 | if (ielen) { |
| 451 | cp = ((uint8_t *)si) + si->isi_ie_off; |
| 452 | memcpy(cp, ni->ni_ies.data, ielen); |
| 453 | } |
| 454 | |
| 455 | req->si = (struct ieee80211req_sta_info *)(((uint8_t *)si) + len); |
| 456 | req->space -= len; |
| 457 | } |
| 458 | |
| 459 | static __noinline int |
| 460 | getstainfo_common(struct ieee80211vap *vap, struct ieee80211req *ireq, |
| 461 | struct ieee80211_node *ni, int off) |
| 462 | { |
| 463 | struct ieee80211com *ic = vap->iv_ic; |
| 464 | struct stainforeq req; |
| 465 | size_t space; |
| 466 | void *p; |
| 467 | int error; |
| 468 | |
| 469 | error = 0; |
| 470 | req.space = 0; |
| 471 | req.vap = vap; |
| 472 | if (ni == NULL) |
| 473 | ieee80211_iterate_nodes(&ic->ic_sta, get_sta_space, &req); |
| 474 | else |
| 475 | get_sta_space(&req, ni); |
| 476 | if (req.space > ireq->i_len) |
| 477 | req.space = ireq->i_len; |
| 478 | if (req.space > 0) { |
| 479 | space = req.space; |
| 480 | /* XXX M_WAITOK after driver lock released */ |
| 481 | p = kmalloc(space, M_TEMP, M_INTWAIT | M_ZERO); |
| 482 | if (p == NULL) { |
| 483 | error = ENOMEM; |
| 484 | goto bad; |
| 485 | } |
| 486 | req.si = p; |
| 487 | if (ni == NULL) |
| 488 | ieee80211_iterate_nodes(&ic->ic_sta, get_sta_info, &req); |
| 489 | else |
| 490 | get_sta_info(&req, ni); |
| 491 | ireq->i_len = space - req.space; |
| 492 | error = copyout(p, (uint8_t *) ireq->i_data+off, ireq->i_len); |
| 493 | kfree(p, M_TEMP); |
| 494 | } else |
| 495 | ireq->i_len = 0; |
| 496 | bad: |
| 497 | if (ni != NULL) |
| 498 | ieee80211_free_node(ni); |
| 499 | return error; |
| 500 | } |
| 501 | |
| 502 | static __noinline int |
| 503 | ieee80211_ioctl_getstainfo(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 504 | { |
| 505 | uint8_t macaddr[IEEE80211_ADDR_LEN]; |
| 506 | const int off = __offsetof(struct ieee80211req_sta_req, info); |
| 507 | struct ieee80211_node *ni; |
| 508 | int error; |
| 509 | |
| 510 | if (ireq->i_len < sizeof(struct ieee80211req_sta_req)) |
| 511 | return EFAULT; |
| 512 | error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); |
| 513 | if (error != 0) |
| 514 | return error; |
| 515 | if (IEEE80211_ADDR_EQ(macaddr, vap->iv_ifp->if_broadcastaddr)) { |
| 516 | ni = NULL; |
| 517 | } else { |
| 518 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); |
| 519 | if (ni == NULL) |
| 520 | return ENOENT; |
| 521 | } |
| 522 | return getstainfo_common(vap, ireq, ni, off); |
| 523 | } |
| 524 | |
| 525 | static __noinline int |
| 526 | ieee80211_ioctl_getstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 527 | { |
| 528 | struct ieee80211_node *ni; |
| 529 | struct ieee80211req_sta_txpow txpow; |
| 530 | int error; |
| 531 | |
| 532 | if (ireq->i_len != sizeof(txpow)) |
| 533 | return EINVAL; |
| 534 | error = copyin(ireq->i_data, &txpow, sizeof(txpow)); |
| 535 | if (error != 0) |
| 536 | return error; |
| 537 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); |
| 538 | if (ni == NULL) |
| 539 | return ENOENT; |
| 540 | txpow.it_txpow = ni->ni_txpower; |
| 541 | error = copyout(&txpow, ireq->i_data, sizeof(txpow)); |
| 542 | ieee80211_free_node(ni); |
| 543 | return error; |
| 544 | } |
| 545 | |
| 546 | static __noinline int |
| 547 | ieee80211_ioctl_getwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 548 | { |
| 549 | struct ieee80211com *ic = vap->iv_ic; |
| 550 | struct ieee80211_wme_state *wme = &ic->ic_wme; |
| 551 | struct wmeParams *wmep; |
| 552 | int ac; |
| 553 | |
| 554 | if ((ic->ic_caps & IEEE80211_C_WME) == 0) |
| 555 | return EINVAL; |
| 556 | |
| 557 | ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); |
| 558 | if (ac >= WME_NUM_AC) |
| 559 | ac = WME_AC_BE; |
| 560 | if (ireq->i_len & IEEE80211_WMEPARAM_BSS) |
| 561 | wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; |
| 562 | else |
| 563 | wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; |
| 564 | switch (ireq->i_type) { |
| 565 | case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ |
| 566 | ireq->i_val = wmep->wmep_logcwmin; |
| 567 | break; |
| 568 | case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ |
| 569 | ireq->i_val = wmep->wmep_logcwmax; |
| 570 | break; |
| 571 | case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ |
| 572 | ireq->i_val = wmep->wmep_aifsn; |
| 573 | break; |
| 574 | case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ |
| 575 | ireq->i_val = wmep->wmep_txopLimit; |
| 576 | break; |
| 577 | case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ |
| 578 | wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; |
| 579 | ireq->i_val = wmep->wmep_acm; |
| 580 | break; |
| 581 | case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ |
| 582 | wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; |
| 583 | ireq->i_val = !wmep->wmep_noackPolicy; |
| 584 | break; |
| 585 | } |
| 586 | return 0; |
| 587 | } |
| 588 | |
| 589 | static __noinline int |
| 590 | ieee80211_ioctl_getmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 591 | { |
| 592 | const struct ieee80211_aclator *acl = vap->iv_acl; |
| 593 | |
| 594 | return (acl == NULL ? EINVAL : acl->iac_getioctl(vap, ireq)); |
| 595 | } |
| 596 | |
| 597 | static __noinline int |
| 598 | ieee80211_ioctl_getcurchan(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 599 | { |
| 600 | struct ieee80211com *ic = vap->iv_ic; |
| 601 | struct ieee80211_channel *c; |
| 602 | |
| 603 | if (ireq->i_len != sizeof(struct ieee80211_channel)) |
| 604 | return EINVAL; |
| 605 | /* |
| 606 | * vap's may have different operating channels when HT is |
| 607 | * in use. When in RUN state report the vap-specific channel. |
| 608 | * Otherwise return curchan. |
| 609 | */ |
| 610 | if (vap->iv_state == IEEE80211_S_RUN) |
| 611 | c = vap->iv_bss->ni_chan; |
| 612 | else |
| 613 | c = ic->ic_curchan; |
| 614 | return copyout(c, ireq->i_data, sizeof(*c)); |
| 615 | } |
| 616 | |
| 617 | static int |
| 618 | getappie(const struct ieee80211_appie *aie, struct ieee80211req *ireq) |
| 619 | { |
| 620 | if (aie == NULL) |
| 621 | return EINVAL; |
| 622 | /* NB: truncate, caller can check length */ |
| 623 | if (ireq->i_len > aie->ie_len) |
| 624 | ireq->i_len = aie->ie_len; |
| 625 | return copyout(aie->ie_data, ireq->i_data, ireq->i_len); |
| 626 | } |
| 627 | |
| 628 | static int |
| 629 | ieee80211_ioctl_getappie(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 630 | { |
| 631 | uint8_t fc0; |
| 632 | |
| 633 | fc0 = ireq->i_val & 0xff; |
| 634 | if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) |
| 635 | return EINVAL; |
| 636 | /* NB: could check iv_opmode and reject but hardly worth the effort */ |
| 637 | switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { |
| 638 | case IEEE80211_FC0_SUBTYPE_BEACON: |
| 639 | return getappie(vap->iv_appie_beacon, ireq); |
| 640 | case IEEE80211_FC0_SUBTYPE_PROBE_RESP: |
| 641 | return getappie(vap->iv_appie_proberesp, ireq); |
| 642 | case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: |
| 643 | return getappie(vap->iv_appie_assocresp, ireq); |
| 644 | case IEEE80211_FC0_SUBTYPE_PROBE_REQ: |
| 645 | return getappie(vap->iv_appie_probereq, ireq); |
| 646 | case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: |
| 647 | return getappie(vap->iv_appie_assocreq, ireq); |
| 648 | case IEEE80211_FC0_SUBTYPE_BEACON|IEEE80211_FC0_SUBTYPE_PROBE_RESP: |
| 649 | return getappie(vap->iv_appie_wpa, ireq); |
| 650 | } |
| 651 | return EINVAL; |
| 652 | } |
| 653 | |
| 654 | static __noinline int |
| 655 | ieee80211_ioctl_getregdomain(struct ieee80211vap *vap, |
| 656 | const struct ieee80211req *ireq) |
| 657 | { |
| 658 | struct ieee80211com *ic = vap->iv_ic; |
| 659 | |
| 660 | if (ireq->i_len != sizeof(ic->ic_regdomain)) |
| 661 | return EINVAL; |
| 662 | return copyout(&ic->ic_regdomain, ireq->i_data, |
| 663 | sizeof(ic->ic_regdomain)); |
| 664 | } |
| 665 | |
| 666 | static __noinline int |
| 667 | ieee80211_ioctl_getroam(struct ieee80211vap *vap, |
| 668 | const struct ieee80211req *ireq) |
| 669 | { |
| 670 | size_t len = ireq->i_len; |
| 671 | /* NB: accept short requests for backwards compat */ |
| 672 | if (len > sizeof(vap->iv_roamparms)) |
| 673 | len = sizeof(vap->iv_roamparms); |
| 674 | return copyout(vap->iv_roamparms, ireq->i_data, len); |
| 675 | } |
| 676 | |
| 677 | static __noinline int |
| 678 | ieee80211_ioctl_gettxparams(struct ieee80211vap *vap, |
| 679 | const struct ieee80211req *ireq) |
| 680 | { |
| 681 | size_t len = ireq->i_len; |
| 682 | /* NB: accept short requests for backwards compat */ |
| 683 | if (len > sizeof(vap->iv_txparms)) |
| 684 | len = sizeof(vap->iv_txparms); |
| 685 | return copyout(vap->iv_txparms, ireq->i_data, len); |
| 686 | } |
| 687 | |
| 688 | static __noinline int |
| 689 | ieee80211_ioctl_getdevcaps(struct ieee80211com *ic, |
| 690 | const struct ieee80211req *ireq) |
| 691 | { |
| 692 | struct ieee80211_devcaps_req *dc; |
| 693 | struct ieee80211req_chaninfo *ci; |
| 694 | int maxchans, error; |
| 695 | |
| 696 | maxchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_devcaps_req)) / |
| 697 | sizeof(struct ieee80211_channel)); |
| 698 | /* NB: require 1 so we know ic_nchans is accessible */ |
| 699 | if (maxchans < 1) |
| 700 | return EINVAL; |
| 701 | /* constrain max request size, 2K channels is ~24Kbytes */ |
| 702 | if (maxchans > 2048) |
| 703 | maxchans = 2048; |
| 704 | dc = (struct ieee80211_devcaps_req *) |
| 705 | kmalloc(IEEE80211_DEVCAPS_SIZE(maxchans), M_TEMP, |
| 706 | M_INTWAIT | M_ZERO); |
| 707 | if (dc == NULL) |
| 708 | return ENOMEM; |
| 709 | dc->dc_drivercaps = ic->ic_caps; |
| 710 | dc->dc_cryptocaps = ic->ic_cryptocaps; |
| 711 | dc->dc_htcaps = ic->ic_htcaps; |
| 712 | ci = &dc->dc_chaninfo; |
| 713 | ic->ic_getradiocaps(ic, maxchans, &ci->ic_nchans, ci->ic_chans); |
| 714 | KASSERT(ci->ic_nchans <= maxchans, |
| 715 | ("nchans %d maxchans %d", ci->ic_nchans, maxchans)); |
| 716 | ieee80211_sort_channels(ci->ic_chans, ci->ic_nchans); |
| 717 | error = copyout(dc, ireq->i_data, IEEE80211_DEVCAPS_SPACE(dc)); |
| 718 | kfree(dc, M_TEMP); |
| 719 | return error; |
| 720 | } |
| 721 | |
| 722 | static __noinline int |
| 723 | ieee80211_ioctl_getstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 724 | { |
| 725 | struct ieee80211_node *ni; |
| 726 | struct ieee80211req_sta_vlan vlan; |
| 727 | int error; |
| 728 | |
| 729 | if (ireq->i_len != sizeof(vlan)) |
| 730 | return EINVAL; |
| 731 | error = copyin(ireq->i_data, &vlan, sizeof(vlan)); |
| 732 | if (error != 0) |
| 733 | return error; |
| 734 | if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { |
| 735 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, |
| 736 | vlan.sv_macaddr); |
| 737 | if (ni == NULL) |
| 738 | return ENOENT; |
| 739 | } else |
| 740 | ni = ieee80211_ref_node(vap->iv_bss); |
| 741 | vlan.sv_vlan = ni->ni_vlan; |
| 742 | error = copyout(&vlan, ireq->i_data, sizeof(vlan)); |
| 743 | ieee80211_free_node(ni); |
| 744 | return error; |
| 745 | } |
| 746 | |
| 747 | /* |
| 748 | * Dummy ioctl get handler so the linker set is defined. |
| 749 | */ |
| 750 | static int |
| 751 | dummy_ioctl_get(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 752 | { |
| 753 | return ENOSYS; |
| 754 | } |
| 755 | IEEE80211_IOCTL_GET(dummy, dummy_ioctl_get); |
| 756 | |
| 757 | static int |
| 758 | ieee80211_ioctl_getdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 759 | { |
| 760 | ieee80211_ioctl_getfunc * const *get; |
| 761 | int error; |
| 762 | |
| 763 | SET_FOREACH(get, ieee80211_ioctl_getset) { |
| 764 | error = (*get)(vap, ireq); |
| 765 | if (error != ENOSYS) |
| 766 | return error; |
| 767 | } |
| 768 | return EINVAL; |
| 769 | } |
| 770 | |
| 771 | /* |
| 772 | * When building the kernel with -O2 on the i386 architecture, gcc |
| 773 | * seems to want to inline this function into ieee80211_ioctl() |
| 774 | * (which is the only routine that calls it). When this happens, |
| 775 | * ieee80211_ioctl() ends up consuming an additional 2K of stack |
| 776 | * space. (Exactly why it needs so much is unclear.) The problem |
| 777 | * is that it's possible for ieee80211_ioctl() to invoke other |
| 778 | * routines (including driver init functions) which could then find |
| 779 | * themselves perilously close to exhausting the stack. |
| 780 | * |
| 781 | * To avoid this, we deliberately prevent gcc from inlining this |
| 782 | * routine. Another way to avoid this is to use less agressive |
| 783 | * optimization when compiling this file (i.e. -O instead of -O2) |
| 784 | * but special-casing the compilation of this one module in the |
| 785 | * build system would be awkward. |
| 786 | */ |
| 787 | static __noinline int |
| 788 | ieee80211_ioctl_get80211(struct ieee80211vap *vap, u_long cmd, |
| 789 | struct ieee80211req *ireq) |
| 790 | { |
| 791 | #define MS(_v, _f) (((_v) & _f) >> _f##_S) |
| 792 | struct ieee80211com *ic = vap->iv_ic; |
| 793 | u_int kid, len; |
| 794 | uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; |
| 795 | char tmpssid[IEEE80211_NWID_LEN]; |
| 796 | int error = 0; |
| 797 | |
| 798 | switch (ireq->i_type) { |
| 799 | case IEEE80211_IOC_SSID: |
| 800 | switch (vap->iv_state) { |
| 801 | case IEEE80211_S_INIT: |
| 802 | case IEEE80211_S_SCAN: |
| 803 | ireq->i_len = vap->iv_des_ssid[0].len; |
| 804 | memcpy(tmpssid, vap->iv_des_ssid[0].ssid, ireq->i_len); |
| 805 | break; |
| 806 | default: |
| 807 | ireq->i_len = vap->iv_bss->ni_esslen; |
| 808 | memcpy(tmpssid, vap->iv_bss->ni_essid, ireq->i_len); |
| 809 | break; |
| 810 | } |
| 811 | error = copyout(tmpssid, ireq->i_data, ireq->i_len); |
| 812 | break; |
| 813 | case IEEE80211_IOC_NUMSSIDS: |
| 814 | ireq->i_val = 1; |
| 815 | break; |
| 816 | case IEEE80211_IOC_WEP: |
| 817 | if ((vap->iv_flags & IEEE80211_F_PRIVACY) == 0) |
| 818 | ireq->i_val = IEEE80211_WEP_OFF; |
| 819 | else if (vap->iv_flags & IEEE80211_F_DROPUNENC) |
| 820 | ireq->i_val = IEEE80211_WEP_ON; |
| 821 | else |
| 822 | ireq->i_val = IEEE80211_WEP_MIXED; |
| 823 | break; |
| 824 | case IEEE80211_IOC_WEPKEY: |
| 825 | kid = (u_int) ireq->i_val; |
| 826 | if (kid >= IEEE80211_WEP_NKID) |
| 827 | return EINVAL; |
| 828 | len = (u_int) vap->iv_nw_keys[kid].wk_keylen; |
| 829 | /* NB: only root can read WEP keys */ |
| 830 | if (priv_check(curthread, PRIV_NET80211_GETKEY) == 0) { |
| 831 | bcopy(vap->iv_nw_keys[kid].wk_key, tmpkey, len); |
| 832 | } else { |
| 833 | bzero(tmpkey, len); |
| 834 | } |
| 835 | ireq->i_len = len; |
| 836 | error = copyout(tmpkey, ireq->i_data, len); |
| 837 | break; |
| 838 | case IEEE80211_IOC_NUMWEPKEYS: |
| 839 | ireq->i_val = IEEE80211_WEP_NKID; |
| 840 | break; |
| 841 | case IEEE80211_IOC_WEPTXKEY: |
| 842 | ireq->i_val = vap->iv_def_txkey; |
| 843 | break; |
| 844 | case IEEE80211_IOC_AUTHMODE: |
| 845 | if (vap->iv_flags & IEEE80211_F_WPA) |
| 846 | ireq->i_val = IEEE80211_AUTH_WPA; |
| 847 | else |
| 848 | ireq->i_val = vap->iv_bss->ni_authmode; |
| 849 | break; |
| 850 | case IEEE80211_IOC_CHANNEL: |
| 851 | ireq->i_val = ieee80211_chan2ieee(ic, ic->ic_curchan); |
| 852 | break; |
| 853 | case IEEE80211_IOC_POWERSAVE: |
| 854 | if (vap->iv_flags & IEEE80211_F_PMGTON) |
| 855 | ireq->i_val = IEEE80211_POWERSAVE_ON; |
| 856 | else |
| 857 | ireq->i_val = IEEE80211_POWERSAVE_OFF; |
| 858 | break; |
| 859 | case IEEE80211_IOC_POWERSAVESLEEP: |
| 860 | ireq->i_val = ic->ic_lintval; |
| 861 | break; |
| 862 | case IEEE80211_IOC_RTSTHRESHOLD: |
| 863 | ireq->i_val = vap->iv_rtsthreshold; |
| 864 | break; |
| 865 | case IEEE80211_IOC_PROTMODE: |
| 866 | ireq->i_val = ic->ic_protmode; |
| 867 | break; |
| 868 | case IEEE80211_IOC_TXPOWER: |
| 869 | /* |
| 870 | * Tx power limit is the min of max regulatory |
| 871 | * power, any user-set limit, and the max the |
| 872 | * radio can do. |
| 873 | */ |
| 874 | ireq->i_val = 2*ic->ic_curchan->ic_maxregpower; |
| 875 | if (ireq->i_val > ic->ic_txpowlimit) |
| 876 | ireq->i_val = ic->ic_txpowlimit; |
| 877 | if (ireq->i_val > ic->ic_curchan->ic_maxpower) |
| 878 | ireq->i_val = ic->ic_curchan->ic_maxpower; |
| 879 | break; |
| 880 | case IEEE80211_IOC_WPA: |
| 881 | switch (vap->iv_flags & IEEE80211_F_WPA) { |
| 882 | case IEEE80211_F_WPA1: |
| 883 | ireq->i_val = 1; |
| 884 | break; |
| 885 | case IEEE80211_F_WPA2: |
| 886 | ireq->i_val = 2; |
| 887 | break; |
| 888 | case IEEE80211_F_WPA1 | IEEE80211_F_WPA2: |
| 889 | ireq->i_val = 3; |
| 890 | break; |
| 891 | default: |
| 892 | ireq->i_val = 0; |
| 893 | break; |
| 894 | } |
| 895 | break; |
| 896 | case IEEE80211_IOC_CHANLIST: |
| 897 | error = ieee80211_ioctl_getchanlist(vap, ireq); |
| 898 | break; |
| 899 | case IEEE80211_IOC_ROAMING: |
| 900 | ireq->i_val = vap->iv_roaming; |
| 901 | break; |
| 902 | case IEEE80211_IOC_PRIVACY: |
| 903 | ireq->i_val = (vap->iv_flags & IEEE80211_F_PRIVACY) != 0; |
| 904 | break; |
| 905 | case IEEE80211_IOC_DROPUNENCRYPTED: |
| 906 | ireq->i_val = (vap->iv_flags & IEEE80211_F_DROPUNENC) != 0; |
| 907 | break; |
| 908 | case IEEE80211_IOC_COUNTERMEASURES: |
| 909 | ireq->i_val = (vap->iv_flags & IEEE80211_F_COUNTERM) != 0; |
| 910 | break; |
| 911 | case IEEE80211_IOC_WME: |
| 912 | ireq->i_val = (vap->iv_flags & IEEE80211_F_WME) != 0; |
| 913 | break; |
| 914 | case IEEE80211_IOC_HIDESSID: |
| 915 | ireq->i_val = (vap->iv_flags & IEEE80211_F_HIDESSID) != 0; |
| 916 | break; |
| 917 | case IEEE80211_IOC_APBRIDGE: |
| 918 | ireq->i_val = (vap->iv_flags & IEEE80211_F_NOBRIDGE) == 0; |
| 919 | break; |
| 920 | case IEEE80211_IOC_WPAKEY: |
| 921 | error = ieee80211_ioctl_getkey(vap, ireq); |
| 922 | break; |
| 923 | case IEEE80211_IOC_CHANINFO: |
| 924 | error = ieee80211_ioctl_getchaninfo(vap, ireq); |
| 925 | break; |
| 926 | case IEEE80211_IOC_BSSID: |
| 927 | if (ireq->i_len != IEEE80211_ADDR_LEN) |
| 928 | return EINVAL; |
| 929 | if (vap->iv_state == IEEE80211_S_RUN) { |
| 930 | error = copyout(vap->iv_opmode == IEEE80211_M_WDS ? |
| 931 | vap->iv_bss->ni_macaddr : vap->iv_bss->ni_bssid, |
| 932 | ireq->i_data, ireq->i_len); |
| 933 | } else |
| 934 | error = copyout(vap->iv_des_bssid, ireq->i_data, |
| 935 | ireq->i_len); |
| 936 | break; |
| 937 | case IEEE80211_IOC_WPAIE: |
| 938 | error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); |
| 939 | break; |
| 940 | case IEEE80211_IOC_WPAIE2: |
| 941 | error = ieee80211_ioctl_getwpaie(vap, ireq, ireq->i_type); |
| 942 | break; |
| 943 | case IEEE80211_IOC_SCAN_RESULTS: |
| 944 | error = ieee80211_ioctl_getscanresults(vap, ireq); |
| 945 | break; |
| 946 | case IEEE80211_IOC_STA_STATS: |
| 947 | error = ieee80211_ioctl_getstastats(vap, ireq); |
| 948 | break; |
| 949 | case IEEE80211_IOC_TXPOWMAX: |
| 950 | ireq->i_val = vap->iv_bss->ni_txpower; |
| 951 | break; |
| 952 | case IEEE80211_IOC_STA_TXPOW: |
| 953 | error = ieee80211_ioctl_getstatxpow(vap, ireq); |
| 954 | break; |
| 955 | case IEEE80211_IOC_STA_INFO: |
| 956 | error = ieee80211_ioctl_getstainfo(vap, ireq); |
| 957 | break; |
| 958 | case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ |
| 959 | case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ |
| 960 | case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ |
| 961 | case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ |
| 962 | case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ |
| 963 | case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ |
| 964 | error = ieee80211_ioctl_getwmeparam(vap, ireq); |
| 965 | break; |
| 966 | case IEEE80211_IOC_DTIM_PERIOD: |
| 967 | ireq->i_val = vap->iv_dtim_period; |
| 968 | break; |
| 969 | case IEEE80211_IOC_BEACON_INTERVAL: |
| 970 | /* NB: get from ic_bss for station mode */ |
| 971 | ireq->i_val = vap->iv_bss->ni_intval; |
| 972 | break; |
| 973 | case IEEE80211_IOC_PUREG: |
| 974 | ireq->i_val = (vap->iv_flags & IEEE80211_F_PUREG) != 0; |
| 975 | break; |
| 976 | case IEEE80211_IOC_BGSCAN: |
| 977 | ireq->i_val = (vap->iv_flags & IEEE80211_F_BGSCAN) != 0; |
| 978 | break; |
| 979 | case IEEE80211_IOC_BGSCAN_IDLE: |
| 980 | ireq->i_val = vap->iv_bgscanidle*hz/1000; /* ms */ |
| 981 | break; |
| 982 | case IEEE80211_IOC_BGSCAN_INTERVAL: |
| 983 | ireq->i_val = vap->iv_bgscanintvl/hz; /* seconds */ |
| 984 | break; |
| 985 | case IEEE80211_IOC_SCANVALID: |
| 986 | ireq->i_val = vap->iv_scanvalid/hz; /* seconds */ |
| 987 | break; |
| 988 | case IEEE80211_IOC_FRAGTHRESHOLD: |
| 989 | ireq->i_val = vap->iv_fragthreshold; |
| 990 | break; |
| 991 | case IEEE80211_IOC_MACCMD: |
| 992 | error = ieee80211_ioctl_getmaccmd(vap, ireq); |
| 993 | break; |
| 994 | case IEEE80211_IOC_BURST: |
| 995 | ireq->i_val = (vap->iv_flags & IEEE80211_F_BURST) != 0; |
| 996 | break; |
| 997 | case IEEE80211_IOC_BMISSTHRESHOLD: |
| 998 | ireq->i_val = vap->iv_bmissthreshold; |
| 999 | break; |
| 1000 | case IEEE80211_IOC_CURCHAN: |
| 1001 | error = ieee80211_ioctl_getcurchan(vap, ireq); |
| 1002 | break; |
| 1003 | case IEEE80211_IOC_SHORTGI: |
| 1004 | ireq->i_val = 0; |
| 1005 | if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) |
| 1006 | ireq->i_val |= IEEE80211_HTCAP_SHORTGI20; |
| 1007 | if (vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) |
| 1008 | ireq->i_val |= IEEE80211_HTCAP_SHORTGI40; |
| 1009 | break; |
| 1010 | case IEEE80211_IOC_AMPDU: |
| 1011 | ireq->i_val = 0; |
| 1012 | if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_TX) |
| 1013 | ireq->i_val |= 1; |
| 1014 | if (vap->iv_flags_ht & IEEE80211_FHT_AMPDU_RX) |
| 1015 | ireq->i_val |= 2; |
| 1016 | break; |
| 1017 | case IEEE80211_IOC_AMPDU_LIMIT: |
| 1018 | if (vap->iv_opmode == IEEE80211_M_HOSTAP) |
| 1019 | ireq->i_val = vap->iv_ampdu_rxmax; |
| 1020 | else if (vap->iv_state == IEEE80211_S_RUN) |
| 1021 | ireq->i_val = MS(vap->iv_bss->ni_htparam, |
| 1022 | IEEE80211_HTCAP_MAXRXAMPDU); |
| 1023 | else |
| 1024 | ireq->i_val = vap->iv_ampdu_limit; |
| 1025 | break; |
| 1026 | case IEEE80211_IOC_AMPDU_DENSITY: |
| 1027 | if (vap->iv_opmode == IEEE80211_M_STA && |
| 1028 | vap->iv_state == IEEE80211_S_RUN) |
| 1029 | ireq->i_val = MS(vap->iv_bss->ni_htparam, |
| 1030 | IEEE80211_HTCAP_MPDUDENSITY); |
| 1031 | else |
| 1032 | ireq->i_val = vap->iv_ampdu_density; |
| 1033 | break; |
| 1034 | case IEEE80211_IOC_AMSDU: |
| 1035 | ireq->i_val = 0; |
| 1036 | if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_TX) |
| 1037 | ireq->i_val |= 1; |
| 1038 | if (vap->iv_flags_ht & IEEE80211_FHT_AMSDU_RX) |
| 1039 | ireq->i_val |= 2; |
| 1040 | break; |
| 1041 | case IEEE80211_IOC_AMSDU_LIMIT: |
| 1042 | ireq->i_val = vap->iv_amsdu_limit; /* XXX truncation? */ |
| 1043 | break; |
| 1044 | case IEEE80211_IOC_PUREN: |
| 1045 | ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_PUREN) != 0; |
| 1046 | break; |
| 1047 | case IEEE80211_IOC_DOTH: |
| 1048 | ireq->i_val = (vap->iv_flags & IEEE80211_F_DOTH) != 0; |
| 1049 | break; |
| 1050 | case IEEE80211_IOC_REGDOMAIN: |
| 1051 | error = ieee80211_ioctl_getregdomain(vap, ireq); |
| 1052 | break; |
| 1053 | case IEEE80211_IOC_ROAM: |
| 1054 | error = ieee80211_ioctl_getroam(vap, ireq); |
| 1055 | break; |
| 1056 | case IEEE80211_IOC_TXPARAMS: |
| 1057 | error = ieee80211_ioctl_gettxparams(vap, ireq); |
| 1058 | break; |
| 1059 | case IEEE80211_IOC_HTCOMPAT: |
| 1060 | ireq->i_val = (vap->iv_flags_ht & IEEE80211_FHT_HTCOMPAT) != 0; |
| 1061 | break; |
| 1062 | case IEEE80211_IOC_DWDS: |
| 1063 | ireq->i_val = (vap->iv_flags & IEEE80211_F_DWDS) != 0; |
| 1064 | break; |
| 1065 | case IEEE80211_IOC_INACTIVITY: |
| 1066 | ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_INACT) != 0; |
| 1067 | break; |
| 1068 | case IEEE80211_IOC_APPIE: |
| 1069 | error = ieee80211_ioctl_getappie(vap, ireq); |
| 1070 | break; |
| 1071 | case IEEE80211_IOC_WPS: |
| 1072 | ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_WPS) != 0; |
| 1073 | break; |
| 1074 | case IEEE80211_IOC_TSN: |
| 1075 | ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_TSN) != 0; |
| 1076 | break; |
| 1077 | case IEEE80211_IOC_DFS: |
| 1078 | ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DFS) != 0; |
| 1079 | break; |
| 1080 | case IEEE80211_IOC_DOTD: |
| 1081 | ireq->i_val = (vap->iv_flags_ext & IEEE80211_FEXT_DOTD) != 0; |
| 1082 | break; |
| 1083 | case IEEE80211_IOC_DEVCAPS: |
| 1084 | error = ieee80211_ioctl_getdevcaps(ic, ireq); |
| 1085 | break; |
| 1086 | case IEEE80211_IOC_HTPROTMODE: |
| 1087 | ireq->i_val = ic->ic_htprotmode; |
| 1088 | break; |
| 1089 | case IEEE80211_IOC_HTCONF: |
| 1090 | if (vap->iv_flags_ht & IEEE80211_FHT_HT) { |
| 1091 | ireq->i_val = 1; |
| 1092 | if (vap->iv_flags_ht & IEEE80211_FHT_USEHT40) |
| 1093 | ireq->i_val |= 2; |
| 1094 | } else |
| 1095 | ireq->i_val = 0; |
| 1096 | break; |
| 1097 | case IEEE80211_IOC_STA_VLAN: |
| 1098 | error = ieee80211_ioctl_getstavlan(vap, ireq); |
| 1099 | break; |
| 1100 | case IEEE80211_IOC_SMPS: |
| 1101 | if (vap->iv_opmode == IEEE80211_M_STA && |
| 1102 | vap->iv_state == IEEE80211_S_RUN) { |
| 1103 | if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_RTS) |
| 1104 | ireq->i_val = IEEE80211_HTCAP_SMPS_DYNAMIC; |
| 1105 | else if (vap->iv_bss->ni_flags & IEEE80211_NODE_MIMO_PS) |
| 1106 | ireq->i_val = IEEE80211_HTCAP_SMPS_ENA; |
| 1107 | else |
| 1108 | ireq->i_val = IEEE80211_HTCAP_SMPS_OFF; |
| 1109 | } else |
| 1110 | ireq->i_val = vap->iv_htcaps & IEEE80211_HTCAP_SMPS; |
| 1111 | break; |
| 1112 | case IEEE80211_IOC_RIFS: |
| 1113 | if (vap->iv_opmode == IEEE80211_M_STA && |
| 1114 | vap->iv_state == IEEE80211_S_RUN) |
| 1115 | ireq->i_val = |
| 1116 | (vap->iv_bss->ni_flags & IEEE80211_NODE_RIFS) != 0; |
| 1117 | else |
| 1118 | ireq->i_val = |
| 1119 | (vap->iv_flags_ht & IEEE80211_FHT_RIFS) != 0; |
| 1120 | break; |
| 1121 | default: |
| 1122 | error = ieee80211_ioctl_getdefault(vap, ireq); |
| 1123 | break; |
| 1124 | } |
| 1125 | return error; |
| 1126 | #undef MS |
| 1127 | } |
| 1128 | |
| 1129 | static __noinline int |
| 1130 | ieee80211_ioctl_setkey(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 1131 | { |
| 1132 | struct ieee80211req_key ik; |
| 1133 | struct ieee80211_node *ni; |
| 1134 | struct ieee80211_key *wk; |
| 1135 | uint16_t kid; |
| 1136 | int error, i; |
| 1137 | |
| 1138 | if (ireq->i_len != sizeof(ik)) |
| 1139 | return EINVAL; |
| 1140 | error = copyin(ireq->i_data, &ik, sizeof(ik)); |
| 1141 | if (error) |
| 1142 | return error; |
| 1143 | /* NB: cipher support is verified by ieee80211_crypt_newkey */ |
| 1144 | /* NB: this also checks ik->ik_keylen > sizeof(wk->wk_key) */ |
| 1145 | if (ik.ik_keylen > sizeof(ik.ik_keydata)) |
| 1146 | return E2BIG; |
| 1147 | kid = ik.ik_keyix; |
| 1148 | if (kid == IEEE80211_KEYIX_NONE) { |
| 1149 | /* XXX unicast keys currently must be tx/rx */ |
| 1150 | if (ik.ik_flags != (IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV)) |
| 1151 | return EINVAL; |
| 1152 | if (vap->iv_opmode == IEEE80211_M_STA) { |
| 1153 | ni = ieee80211_ref_node(vap->iv_bss); |
| 1154 | if (!IEEE80211_ADDR_EQ(ik.ik_macaddr, ni->ni_bssid)) { |
| 1155 | ieee80211_free_node(ni); |
| 1156 | return EADDRNOTAVAIL; |
| 1157 | } |
| 1158 | } else { |
| 1159 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, |
| 1160 | ik.ik_macaddr); |
| 1161 | if (ni == NULL) |
| 1162 | return ENOENT; |
| 1163 | } |
| 1164 | wk = &ni->ni_ucastkey; |
| 1165 | } else { |
| 1166 | if (kid >= IEEE80211_WEP_NKID) |
| 1167 | return EINVAL; |
| 1168 | wk = &vap->iv_nw_keys[kid]; |
| 1169 | /* |
| 1170 | * Global slots start off w/o any assigned key index. |
| 1171 | * Force one here for consistency with IEEE80211_IOC_WEPKEY. |
| 1172 | */ |
| 1173 | if (wk->wk_keyix == IEEE80211_KEYIX_NONE) |
| 1174 | wk->wk_keyix = kid; |
| 1175 | ni = NULL; |
| 1176 | } |
| 1177 | error = 0; |
| 1178 | ieee80211_key_update_begin(vap); |
| 1179 | if (ieee80211_crypto_newkey(vap, ik.ik_type, ik.ik_flags, wk)) { |
| 1180 | wk->wk_keylen = ik.ik_keylen; |
| 1181 | /* NB: MIC presence is implied by cipher type */ |
| 1182 | if (wk->wk_keylen > IEEE80211_KEYBUF_SIZE) |
| 1183 | wk->wk_keylen = IEEE80211_KEYBUF_SIZE; |
| 1184 | for (i = 0; i < IEEE80211_TID_SIZE; i++) |
| 1185 | wk->wk_keyrsc[i] = ik.ik_keyrsc; |
| 1186 | wk->wk_keytsc = 0; /* new key, reset */ |
| 1187 | memset(wk->wk_key, 0, sizeof(wk->wk_key)); |
| 1188 | memcpy(wk->wk_key, ik.ik_keydata, ik.ik_keylen); |
| 1189 | IEEE80211_ADDR_COPY(wk->wk_macaddr, |
| 1190 | ni != NULL ? ni->ni_macaddr : ik.ik_macaddr); |
| 1191 | if (!ieee80211_crypto_setkey(vap, wk)) |
| 1192 | error = EIO; |
| 1193 | else if ((ik.ik_flags & IEEE80211_KEY_DEFAULT)) |
| 1194 | vap->iv_def_txkey = kid; |
| 1195 | } else |
| 1196 | error = ENXIO; |
| 1197 | ieee80211_key_update_end(vap); |
| 1198 | if (ni != NULL) |
| 1199 | ieee80211_free_node(ni); |
| 1200 | return error; |
| 1201 | } |
| 1202 | |
| 1203 | static __noinline int |
| 1204 | ieee80211_ioctl_delkey(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 1205 | { |
| 1206 | struct ieee80211req_del_key dk; |
| 1207 | int kid, error; |
| 1208 | |
| 1209 | if (ireq->i_len != sizeof(dk)) |
| 1210 | return EINVAL; |
| 1211 | error = copyin(ireq->i_data, &dk, sizeof(dk)); |
| 1212 | if (error) |
| 1213 | return error; |
| 1214 | kid = dk.idk_keyix; |
| 1215 | /* XXX uint8_t -> uint16_t */ |
| 1216 | if (dk.idk_keyix == (uint8_t) IEEE80211_KEYIX_NONE) { |
| 1217 | struct ieee80211_node *ni; |
| 1218 | |
| 1219 | if (vap->iv_opmode == IEEE80211_M_STA) { |
| 1220 | ni = ieee80211_ref_node(vap->iv_bss); |
| 1221 | if (!IEEE80211_ADDR_EQ(dk.idk_macaddr, ni->ni_bssid)) { |
| 1222 | ieee80211_free_node(ni); |
| 1223 | return EADDRNOTAVAIL; |
| 1224 | } |
| 1225 | } else { |
| 1226 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, |
| 1227 | dk.idk_macaddr); |
| 1228 | if (ni == NULL) |
| 1229 | return ENOENT; |
| 1230 | } |
| 1231 | /* XXX error return */ |
| 1232 | ieee80211_node_delucastkey(ni); |
| 1233 | ieee80211_free_node(ni); |
| 1234 | } else { |
| 1235 | if (kid >= IEEE80211_WEP_NKID) |
| 1236 | return EINVAL; |
| 1237 | /* XXX error return */ |
| 1238 | ieee80211_crypto_delkey(vap, &vap->iv_nw_keys[kid]); |
| 1239 | } |
| 1240 | return 0; |
| 1241 | } |
| 1242 | |
| 1243 | struct mlmeop { |
| 1244 | struct ieee80211vap *vap; |
| 1245 | int op; |
| 1246 | int reason; |
| 1247 | }; |
| 1248 | |
| 1249 | static void |
| 1250 | mlmedebug(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], |
| 1251 | int op, int reason) |
| 1252 | { |
| 1253 | #ifdef IEEE80211_DEBUG |
| 1254 | static const struct { |
| 1255 | int mask; |
| 1256 | const char *opstr; |
| 1257 | } ops[] = { |
| 1258 | { 0, "op#0" }, |
| 1259 | { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | |
| 1260 | IEEE80211_MSG_ASSOC, "assoc" }, |
| 1261 | { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | |
| 1262 | IEEE80211_MSG_ASSOC, "disassoc" }, |
| 1263 | { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | |
| 1264 | IEEE80211_MSG_AUTH, "deauth" }, |
| 1265 | { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | |
| 1266 | IEEE80211_MSG_AUTH, "authorize" }, |
| 1267 | { IEEE80211_MSG_IOCTL | IEEE80211_MSG_STATE | |
| 1268 | IEEE80211_MSG_AUTH, "unauthorize" }, |
| 1269 | }; |
| 1270 | |
| 1271 | if (op == IEEE80211_MLME_AUTH) { |
| 1272 | IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_IOCTL | |
| 1273 | IEEE80211_MSG_STATE | IEEE80211_MSG_AUTH, mac, |
| 1274 | "station authenticate %s via MLME (reason %d)", |
| 1275 | reason == IEEE80211_STATUS_SUCCESS ? "ACCEPT" : "REJECT", |
| 1276 | reason); |
| 1277 | } else if (!(IEEE80211_MLME_ASSOC <= op && op <= IEEE80211_MLME_AUTH)) { |
| 1278 | IEEE80211_NOTE_MAC(vap, IEEE80211_MSG_ANY, mac, |
| 1279 | "unknown MLME request %d (reason %d)", op, reason); |
| 1280 | } else if (reason == IEEE80211_STATUS_SUCCESS) { |
| 1281 | IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, |
| 1282 | "station %s via MLME", ops[op].opstr); |
| 1283 | } else { |
| 1284 | IEEE80211_NOTE_MAC(vap, ops[op].mask, mac, |
| 1285 | "station %s via MLME (reason %d)", ops[op].opstr, reason); |
| 1286 | } |
| 1287 | #endif /* IEEE80211_DEBUG */ |
| 1288 | } |
| 1289 | |
| 1290 | static void |
| 1291 | domlme(void *arg, struct ieee80211_node *ni) |
| 1292 | { |
| 1293 | struct mlmeop *mop = arg; |
| 1294 | struct ieee80211vap *vap = ni->ni_vap; |
| 1295 | |
| 1296 | if (vap != mop->vap) |
| 1297 | return; |
| 1298 | /* |
| 1299 | * NB: if ni_associd is zero then the node is already cleaned |
| 1300 | * up and we don't need to do this (we're safely holding a |
| 1301 | * reference but should otherwise not modify it's state). |
| 1302 | */ |
| 1303 | if (ni->ni_associd == 0) |
| 1304 | return; |
| 1305 | mlmedebug(vap, ni->ni_macaddr, mop->op, mop->reason); |
| 1306 | if (mop->op == IEEE80211_MLME_DEAUTH) { |
| 1307 | IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DEAUTH, |
| 1308 | mop->reason); |
| 1309 | } else { |
| 1310 | IEEE80211_SEND_MGMT(ni, IEEE80211_FC0_SUBTYPE_DISASSOC, |
| 1311 | mop->reason); |
| 1312 | } |
| 1313 | ieee80211_node_leave(ni); |
| 1314 | } |
| 1315 | |
| 1316 | static int |
| 1317 | setmlme_dropsta(struct ieee80211vap *vap, |
| 1318 | const uint8_t mac[IEEE80211_ADDR_LEN], struct mlmeop *mlmeop) |
| 1319 | { |
| 1320 | struct ieee80211com *ic = vap->iv_ic; |
| 1321 | struct ieee80211_node_table *nt = &ic->ic_sta; |
| 1322 | struct ieee80211_node *ni; |
| 1323 | int error = 0; |
| 1324 | |
| 1325 | /* NB: the broadcast address means do 'em all */ |
| 1326 | if (!IEEE80211_ADDR_EQ(mac, ic->ic_ifp->if_broadcastaddr)) { |
| 1327 | ni = ieee80211_find_node_locked(nt, mac); |
| 1328 | if (ni != NULL) { |
| 1329 | domlme(mlmeop, ni); |
| 1330 | ieee80211_free_node(ni); |
| 1331 | } else |
| 1332 | error = ENOENT; |
| 1333 | } else { |
| 1334 | ieee80211_iterate_nodes(nt, domlme, mlmeop); |
| 1335 | } |
| 1336 | return error; |
| 1337 | } |
| 1338 | |
| 1339 | static __noinline int |
| 1340 | setmlme_common(struct ieee80211vap *vap, int op, |
| 1341 | const uint8_t mac[IEEE80211_ADDR_LEN], int reason) |
| 1342 | { |
| 1343 | struct ieee80211com *ic = vap->iv_ic; |
| 1344 | struct ieee80211_node_table *nt = &ic->ic_sta; |
| 1345 | struct ieee80211_node *ni; |
| 1346 | struct mlmeop mlmeop; |
| 1347 | int error; |
| 1348 | |
| 1349 | error = 0; |
| 1350 | switch (op) { |
| 1351 | case IEEE80211_MLME_DISASSOC: |
| 1352 | case IEEE80211_MLME_DEAUTH: |
| 1353 | switch (vap->iv_opmode) { |
| 1354 | case IEEE80211_M_STA: |
| 1355 | mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); |
| 1356 | /* XXX not quite right */ |
| 1357 | ieee80211_new_state(vap, IEEE80211_S_INIT, reason); |
| 1358 | break; |
| 1359 | case IEEE80211_M_HOSTAP: |
| 1360 | mlmeop.vap = vap; |
| 1361 | mlmeop.op = op; |
| 1362 | mlmeop.reason = reason; |
| 1363 | error = setmlme_dropsta(vap, mac, &mlmeop); |
| 1364 | break; |
| 1365 | case IEEE80211_M_WDS: |
| 1366 | /* XXX user app should send raw frame? */ |
| 1367 | if (op != IEEE80211_MLME_DEAUTH) { |
| 1368 | error = EINVAL; |
| 1369 | break; |
| 1370 | } |
| 1371 | #if 0 |
| 1372 | /* XXX accept any address, simplifies user code */ |
| 1373 | if (!IEEE80211_ADDR_EQ(mac, vap->iv_bss->ni_macaddr)) { |
| 1374 | error = EINVAL; |
| 1375 | break; |
| 1376 | } |
| 1377 | #endif |
| 1378 | mlmedebug(vap, vap->iv_bss->ni_macaddr, op, reason); |
| 1379 | ni = ieee80211_ref_node(vap->iv_bss); |
| 1380 | IEEE80211_SEND_MGMT(ni, |
| 1381 | IEEE80211_FC0_SUBTYPE_DEAUTH, reason); |
| 1382 | ieee80211_free_node(ni); |
| 1383 | break; |
| 1384 | default: |
| 1385 | error = EINVAL; |
| 1386 | break; |
| 1387 | } |
| 1388 | break; |
| 1389 | case IEEE80211_MLME_AUTHORIZE: |
| 1390 | case IEEE80211_MLME_UNAUTHORIZE: |
| 1391 | if (vap->iv_opmode != IEEE80211_M_HOSTAP && |
| 1392 | vap->iv_opmode != IEEE80211_M_WDS) { |
| 1393 | error = EINVAL; |
| 1394 | break; |
| 1395 | } |
| 1396 | ni = ieee80211_find_vap_node_locked(nt, vap, mac); |
| 1397 | if (ni != NULL) { |
| 1398 | mlmedebug(vap, mac, op, reason); |
| 1399 | if (op == IEEE80211_MLME_AUTHORIZE) |
| 1400 | ieee80211_node_authorize(ni); |
| 1401 | else |
| 1402 | ieee80211_node_unauthorize(ni); |
| 1403 | ieee80211_free_node(ni); |
| 1404 | } else |
| 1405 | error = ENOENT; |
| 1406 | break; |
| 1407 | case IEEE80211_MLME_AUTH: |
| 1408 | if (vap->iv_opmode != IEEE80211_M_HOSTAP) { |
| 1409 | error = EINVAL; |
| 1410 | break; |
| 1411 | } |
| 1412 | ni = ieee80211_find_vap_node_locked(nt, vap, mac); |
| 1413 | if (ni != NULL) { |
| 1414 | mlmedebug(vap, mac, op, reason); |
| 1415 | if (reason == IEEE80211_STATUS_SUCCESS) { |
| 1416 | IEEE80211_SEND_MGMT(ni, |
| 1417 | IEEE80211_FC0_SUBTYPE_AUTH, 2); |
| 1418 | /* |
| 1419 | * For shared key auth, just continue the |
| 1420 | * exchange. Otherwise when 802.1x is not in |
| 1421 | * use mark the port authorized at this point |
| 1422 | * so traffic can flow. |
| 1423 | */ |
| 1424 | if (ni->ni_authmode != IEEE80211_AUTH_8021X && |
| 1425 | ni->ni_challenge == NULL) |
| 1426 | ieee80211_node_authorize(ni); |
| 1427 | } else { |
| 1428 | vap->iv_stats.is_rx_acl++; |
| 1429 | ieee80211_send_error(ni, ni->ni_macaddr, |
| 1430 | IEEE80211_FC0_SUBTYPE_AUTH, 2|(reason<<16)); |
| 1431 | ieee80211_node_leave(ni); |
| 1432 | } |
| 1433 | ieee80211_free_node(ni); |
| 1434 | } else |
| 1435 | error = ENOENT; |
| 1436 | break; |
| 1437 | default: |
| 1438 | error = EINVAL; |
| 1439 | break; |
| 1440 | } |
| 1441 | return error; |
| 1442 | } |
| 1443 | |
| 1444 | struct scanlookup { |
| 1445 | const uint8_t *mac; |
| 1446 | int esslen; |
| 1447 | const uint8_t *essid; |
| 1448 | const struct ieee80211_scan_entry *se; |
| 1449 | }; |
| 1450 | |
| 1451 | /* |
| 1452 | * Match mac address and any ssid. |
| 1453 | */ |
| 1454 | static void |
| 1455 | mlmelookup(void *arg, const struct ieee80211_scan_entry *se) |
| 1456 | { |
| 1457 | struct scanlookup *look = arg; |
| 1458 | |
| 1459 | if (!IEEE80211_ADDR_EQ(look->mac, se->se_macaddr)) |
| 1460 | return; |
| 1461 | if (look->esslen != 0) { |
| 1462 | if (se->se_ssid[1] != look->esslen) |
| 1463 | return; |
| 1464 | if (memcmp(look->essid, se->se_ssid+2, look->esslen)) |
| 1465 | return; |
| 1466 | } |
| 1467 | look->se = se; |
| 1468 | } |
| 1469 | |
| 1470 | static __noinline int |
| 1471 | setmlme_assoc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], |
| 1472 | int ssid_len, const uint8_t ssid[IEEE80211_NWID_LEN]) |
| 1473 | { |
| 1474 | struct scanlookup lookup; |
| 1475 | |
| 1476 | /* XXX ibss/ahdemo */ |
| 1477 | if (vap->iv_opmode != IEEE80211_M_STA) |
| 1478 | return EINVAL; |
| 1479 | |
| 1480 | /* NB: this is racey if roaming is !manual */ |
| 1481 | lookup.se = NULL; |
| 1482 | lookup.mac = mac; |
| 1483 | lookup.esslen = ssid_len; |
| 1484 | lookup.essid = ssid; |
| 1485 | ieee80211_scan_iterate(vap, mlmelookup, &lookup); |
| 1486 | if (lookup.se == NULL) |
| 1487 | return ENOENT; |
| 1488 | mlmedebug(vap, mac, IEEE80211_MLME_ASSOC, 0); |
| 1489 | if (!ieee80211_sta_join(vap, lookup.se->se_chan, lookup.se)) |
| 1490 | return EIO; /* XXX unique but could be better */ |
| 1491 | return 0; |
| 1492 | } |
| 1493 | |
| 1494 | static __noinline int |
| 1495 | ieee80211_ioctl_setmlme(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 1496 | { |
| 1497 | struct ieee80211req_mlme mlme; |
| 1498 | int error; |
| 1499 | |
| 1500 | if (ireq->i_len != sizeof(mlme)) |
| 1501 | return EINVAL; |
| 1502 | error = copyin(ireq->i_data, &mlme, sizeof(mlme)); |
| 1503 | if (error) |
| 1504 | return error; |
| 1505 | if (mlme.im_op == IEEE80211_MLME_ASSOC) |
| 1506 | return setmlme_assoc(vap, mlme.im_macaddr, |
| 1507 | vap->iv_des_ssid[0].len, vap->iv_des_ssid[0].ssid); |
| 1508 | else |
| 1509 | return setmlme_common(vap, mlme.im_op, |
| 1510 | mlme.im_macaddr, mlme.im_reason); |
| 1511 | } |
| 1512 | |
| 1513 | static __noinline int |
| 1514 | ieee80211_ioctl_macmac(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 1515 | { |
| 1516 | uint8_t mac[IEEE80211_ADDR_LEN]; |
| 1517 | const struct ieee80211_aclator *acl = vap->iv_acl; |
| 1518 | int error; |
| 1519 | |
| 1520 | if (ireq->i_len != sizeof(mac)) |
| 1521 | return EINVAL; |
| 1522 | error = copyin(ireq->i_data, mac, ireq->i_len); |
| 1523 | if (error) |
| 1524 | return error; |
| 1525 | if (acl == NULL) { |
| 1526 | acl = ieee80211_aclator_get("mac"); |
| 1527 | if (acl == NULL || !acl->iac_attach(vap)) |
| 1528 | return EINVAL; |
| 1529 | vap->iv_acl = acl; |
| 1530 | } |
| 1531 | if (ireq->i_type == IEEE80211_IOC_ADDMAC) |
| 1532 | acl->iac_add(vap, mac); |
| 1533 | else |
| 1534 | acl->iac_remove(vap, mac); |
| 1535 | return 0; |
| 1536 | } |
| 1537 | |
| 1538 | static __noinline int |
| 1539 | ieee80211_ioctl_setmaccmd(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 1540 | { |
| 1541 | const struct ieee80211_aclator *acl = vap->iv_acl; |
| 1542 | |
| 1543 | switch (ireq->i_val) { |
| 1544 | case IEEE80211_MACCMD_POLICY_OPEN: |
| 1545 | case IEEE80211_MACCMD_POLICY_ALLOW: |
| 1546 | case IEEE80211_MACCMD_POLICY_DENY: |
| 1547 | case IEEE80211_MACCMD_POLICY_RADIUS: |
| 1548 | if (acl == NULL) { |
| 1549 | acl = ieee80211_aclator_get("mac"); |
| 1550 | if (acl == NULL || !acl->iac_attach(vap)) |
| 1551 | return EINVAL; |
| 1552 | vap->iv_acl = acl; |
| 1553 | } |
| 1554 | acl->iac_setpolicy(vap, ireq->i_val); |
| 1555 | break; |
| 1556 | case IEEE80211_MACCMD_FLUSH: |
| 1557 | if (acl != NULL) |
| 1558 | acl->iac_flush(vap); |
| 1559 | /* NB: silently ignore when not in use */ |
| 1560 | break; |
| 1561 | case IEEE80211_MACCMD_DETACH: |
| 1562 | if (acl != NULL) { |
| 1563 | vap->iv_acl = NULL; |
| 1564 | acl->iac_detach(vap); |
| 1565 | } |
| 1566 | break; |
| 1567 | default: |
| 1568 | if (acl == NULL) |
| 1569 | return EINVAL; |
| 1570 | else |
| 1571 | return acl->iac_setioctl(vap, ireq); |
| 1572 | } |
| 1573 | return 0; |
| 1574 | } |
| 1575 | |
| 1576 | static __noinline int |
| 1577 | ieee80211_ioctl_setchanlist(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 1578 | { |
| 1579 | struct ieee80211com *ic = vap->iv_ic; |
| 1580 | uint8_t *chanlist, *list; |
| 1581 | int i, nchan, maxchan, error; |
| 1582 | |
| 1583 | if (ireq->i_len > sizeof(ic->ic_chan_active)) |
| 1584 | ireq->i_len = sizeof(ic->ic_chan_active); |
| 1585 | list = kmalloc(ireq->i_len + IEEE80211_CHAN_BYTES, M_TEMP, |
| 1586 | M_INTWAIT | M_ZERO); |
| 1587 | if (list == NULL) |
| 1588 | return ENOMEM; |
| 1589 | error = copyin(ireq->i_data, list, ireq->i_len); |
| 1590 | if (error) { |
| 1591 | kfree(list, M_TEMP); |
| 1592 | return error; |
| 1593 | } |
| 1594 | nchan = 0; |
| 1595 | chanlist = list + ireq->i_len; /* NB: zero'd already */ |
| 1596 | maxchan = ireq->i_len * NBBY; |
| 1597 | for (i = 0; i < ic->ic_nchans; i++) { |
| 1598 | const struct ieee80211_channel *c = &ic->ic_channels[i]; |
| 1599 | /* |
| 1600 | * Calculate the intersection of the user list and the |
| 1601 | * available channels so users can do things like specify |
| 1602 | * 1-255 to get all available channels. |
| 1603 | */ |
| 1604 | if (c->ic_ieee < maxchan && isset(list, c->ic_ieee)) { |
| 1605 | setbit(chanlist, c->ic_ieee); |
| 1606 | nchan++; |
| 1607 | } |
| 1608 | } |
| 1609 | if (nchan == 0) { |
| 1610 | kfree(list, M_TEMP); |
| 1611 | return EINVAL; |
| 1612 | } |
| 1613 | if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && /* XXX */ |
| 1614 | isclr(chanlist, ic->ic_bsschan->ic_ieee)) |
| 1615 | ic->ic_bsschan = IEEE80211_CHAN_ANYC; |
| 1616 | memcpy(ic->ic_chan_active, chanlist, IEEE80211_CHAN_BYTES); |
| 1617 | ieee80211_scan_flush(vap); |
| 1618 | kfree(list, M_TEMP); |
| 1619 | return ENETRESET; |
| 1620 | } |
| 1621 | |
| 1622 | static __noinline int |
| 1623 | ieee80211_ioctl_setstastats(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 1624 | { |
| 1625 | struct ieee80211_node *ni; |
| 1626 | uint8_t macaddr[IEEE80211_ADDR_LEN]; |
| 1627 | int error; |
| 1628 | |
| 1629 | /* |
| 1630 | * NB: we could copyin ieee80211req_sta_stats so apps |
| 1631 | * could make selective changes but that's overkill; |
| 1632 | * just clear all stats for now. |
| 1633 | */ |
| 1634 | if (ireq->i_len < IEEE80211_ADDR_LEN) |
| 1635 | return EINVAL; |
| 1636 | error = copyin(ireq->i_data, macaddr, IEEE80211_ADDR_LEN); |
| 1637 | if (error != 0) |
| 1638 | return error; |
| 1639 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, macaddr); |
| 1640 | if (ni == NULL) |
| 1641 | return ENOENT; |
| 1642 | /* XXX require ni_vap == vap? */ |
| 1643 | memset(&ni->ni_stats, 0, sizeof(ni->ni_stats)); |
| 1644 | ieee80211_free_node(ni); |
| 1645 | return 0; |
| 1646 | } |
| 1647 | |
| 1648 | static __noinline int |
| 1649 | ieee80211_ioctl_setstatxpow(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 1650 | { |
| 1651 | struct ieee80211_node *ni; |
| 1652 | struct ieee80211req_sta_txpow txpow; |
| 1653 | int error; |
| 1654 | |
| 1655 | if (ireq->i_len != sizeof(txpow)) |
| 1656 | return EINVAL; |
| 1657 | error = copyin(ireq->i_data, &txpow, sizeof(txpow)); |
| 1658 | if (error != 0) |
| 1659 | return error; |
| 1660 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, txpow.it_macaddr); |
| 1661 | if (ni == NULL) |
| 1662 | return ENOENT; |
| 1663 | ni->ni_txpower = txpow.it_txpow; |
| 1664 | ieee80211_free_node(ni); |
| 1665 | return error; |
| 1666 | } |
| 1667 | |
| 1668 | static __noinline int |
| 1669 | ieee80211_ioctl_setwmeparam(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 1670 | { |
| 1671 | struct ieee80211com *ic = vap->iv_ic; |
| 1672 | struct ieee80211_wme_state *wme = &ic->ic_wme; |
| 1673 | struct wmeParams *wmep, *chanp; |
| 1674 | int isbss, ac; |
| 1675 | |
| 1676 | if ((ic->ic_caps & IEEE80211_C_WME) == 0) |
| 1677 | return EOPNOTSUPP; |
| 1678 | |
| 1679 | isbss = (ireq->i_len & IEEE80211_WMEPARAM_BSS); |
| 1680 | ac = (ireq->i_len & IEEE80211_WMEPARAM_VAL); |
| 1681 | if (ac >= WME_NUM_AC) |
| 1682 | ac = WME_AC_BE; |
| 1683 | if (isbss) { |
| 1684 | chanp = &wme->wme_bssChanParams.cap_wmeParams[ac]; |
| 1685 | wmep = &wme->wme_wmeBssChanParams.cap_wmeParams[ac]; |
| 1686 | } else { |
| 1687 | chanp = &wme->wme_chanParams.cap_wmeParams[ac]; |
| 1688 | wmep = &wme->wme_wmeChanParams.cap_wmeParams[ac]; |
| 1689 | } |
| 1690 | switch (ireq->i_type) { |
| 1691 | case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ |
| 1692 | if (isbss) { |
| 1693 | wmep->wmep_logcwmin = ireq->i_val; |
| 1694 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 1695 | chanp->wmep_logcwmin = ireq->i_val; |
| 1696 | } else { |
| 1697 | wmep->wmep_logcwmin = chanp->wmep_logcwmin = |
| 1698 | ireq->i_val; |
| 1699 | } |
| 1700 | break; |
| 1701 | case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ |
| 1702 | if (isbss) { |
| 1703 | wmep->wmep_logcwmax = ireq->i_val; |
| 1704 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 1705 | chanp->wmep_logcwmax = ireq->i_val; |
| 1706 | } else { |
| 1707 | wmep->wmep_logcwmax = chanp->wmep_logcwmax = |
| 1708 | ireq->i_val; |
| 1709 | } |
| 1710 | break; |
| 1711 | case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ |
| 1712 | if (isbss) { |
| 1713 | wmep->wmep_aifsn = ireq->i_val; |
| 1714 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 1715 | chanp->wmep_aifsn = ireq->i_val; |
| 1716 | } else { |
| 1717 | wmep->wmep_aifsn = chanp->wmep_aifsn = ireq->i_val; |
| 1718 | } |
| 1719 | break; |
| 1720 | case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ |
| 1721 | if (isbss) { |
| 1722 | wmep->wmep_txopLimit = ireq->i_val; |
| 1723 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 1724 | chanp->wmep_txopLimit = ireq->i_val; |
| 1725 | } else { |
| 1726 | wmep->wmep_txopLimit = chanp->wmep_txopLimit = |
| 1727 | ireq->i_val; |
| 1728 | } |
| 1729 | break; |
| 1730 | case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ |
| 1731 | wmep->wmep_acm = ireq->i_val; |
| 1732 | if ((wme->wme_flags & WME_F_AGGRMODE) == 0) |
| 1733 | chanp->wmep_acm = ireq->i_val; |
| 1734 | break; |
| 1735 | case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (!bss only)*/ |
| 1736 | wmep->wmep_noackPolicy = chanp->wmep_noackPolicy = |
| 1737 | (ireq->i_val) == 0; |
| 1738 | break; |
| 1739 | } |
| 1740 | ieee80211_wme_updateparams(vap); |
| 1741 | return 0; |
| 1742 | } |
| 1743 | |
| 1744 | static int |
| 1745 | find11gchannel(struct ieee80211com *ic, int start, int freq) |
| 1746 | { |
| 1747 | const struct ieee80211_channel *c; |
| 1748 | int i; |
| 1749 | |
| 1750 | for (i = start+1; i < ic->ic_nchans; i++) { |
| 1751 | c = &ic->ic_channels[i]; |
| 1752 | if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) |
| 1753 | return 1; |
| 1754 | } |
| 1755 | /* NB: should not be needed but in case things are mis-sorted */ |
| 1756 | for (i = 0; i < start; i++) { |
| 1757 | c = &ic->ic_channels[i]; |
| 1758 | if (c->ic_freq == freq && IEEE80211_IS_CHAN_ANYG(c)) |
| 1759 | return 1; |
| 1760 | } |
| 1761 | return 0; |
| 1762 | } |
| 1763 | |
| 1764 | static struct ieee80211_channel * |
| 1765 | findchannel(struct ieee80211com *ic, int ieee, int mode) |
| 1766 | { |
| 1767 | static const u_int chanflags[IEEE80211_MODE_MAX] = { |
| 1768 | [IEEE80211_MODE_AUTO] = 0, |
| 1769 | [IEEE80211_MODE_11A] = IEEE80211_CHAN_A, |
| 1770 | [IEEE80211_MODE_11B] = IEEE80211_CHAN_B, |
| 1771 | [IEEE80211_MODE_11G] = IEEE80211_CHAN_G, |
| 1772 | [IEEE80211_MODE_FH] = IEEE80211_CHAN_FHSS, |
| 1773 | [IEEE80211_MODE_TURBO_A] = IEEE80211_CHAN_108A, |
| 1774 | [IEEE80211_MODE_TURBO_G] = IEEE80211_CHAN_108G, |
| 1775 | [IEEE80211_MODE_STURBO_A] = IEEE80211_CHAN_STURBO, |
| 1776 | [IEEE80211_MODE_HALF] = IEEE80211_CHAN_HALF, |
| 1777 | [IEEE80211_MODE_QUARTER] = IEEE80211_CHAN_QUARTER, |
| 1778 | /* NB: handled specially below */ |
| 1779 | [IEEE80211_MODE_11NA] = IEEE80211_CHAN_A, |
| 1780 | [IEEE80211_MODE_11NG] = IEEE80211_CHAN_G, |
| 1781 | }; |
| 1782 | u_int modeflags; |
| 1783 | int i; |
| 1784 | |
| 1785 | modeflags = chanflags[mode]; |
| 1786 | for (i = 0; i < ic->ic_nchans; i++) { |
| 1787 | struct ieee80211_channel *c = &ic->ic_channels[i]; |
| 1788 | |
| 1789 | if (c->ic_ieee != ieee) |
| 1790 | continue; |
| 1791 | if (mode == IEEE80211_MODE_AUTO) { |
| 1792 | /* ignore turbo channels for autoselect */ |
| 1793 | if (IEEE80211_IS_CHAN_TURBO(c)) |
| 1794 | continue; |
| 1795 | /* |
| 1796 | * XXX special-case 11b/g channels so we |
| 1797 | * always select the g channel if both |
| 1798 | * are present. |
| 1799 | * XXX prefer HT to non-HT? |
| 1800 | */ |
| 1801 | if (!IEEE80211_IS_CHAN_B(c) || |
| 1802 | !find11gchannel(ic, i, c->ic_freq)) |
| 1803 | return c; |
| 1804 | } else { |
| 1805 | /* must check HT specially */ |
| 1806 | if ((mode == IEEE80211_MODE_11NA || |
| 1807 | mode == IEEE80211_MODE_11NG) && |
| 1808 | !IEEE80211_IS_CHAN_HT(c)) |
| 1809 | continue; |
| 1810 | if ((c->ic_flags & modeflags) == modeflags) |
| 1811 | return c; |
| 1812 | } |
| 1813 | } |
| 1814 | return NULL; |
| 1815 | } |
| 1816 | |
| 1817 | /* |
| 1818 | * Check the specified against any desired mode (aka netband). |
| 1819 | * This is only used (presently) when operating in hostap mode |
| 1820 | * to enforce consistency. |
| 1821 | */ |
| 1822 | static int |
| 1823 | check_mode_consistency(const struct ieee80211_channel *c, int mode) |
| 1824 | { |
| 1825 | KASSERT(c != IEEE80211_CHAN_ANYC, ("oops, no channel")); |
| 1826 | |
| 1827 | switch (mode) { |
| 1828 | case IEEE80211_MODE_11B: |
| 1829 | return (IEEE80211_IS_CHAN_B(c)); |
| 1830 | case IEEE80211_MODE_11G: |
| 1831 | return (IEEE80211_IS_CHAN_ANYG(c) && !IEEE80211_IS_CHAN_HT(c)); |
| 1832 | case IEEE80211_MODE_11A: |
| 1833 | return (IEEE80211_IS_CHAN_A(c) && !IEEE80211_IS_CHAN_HT(c)); |
| 1834 | case IEEE80211_MODE_STURBO_A: |
| 1835 | return (IEEE80211_IS_CHAN_STURBO(c)); |
| 1836 | case IEEE80211_MODE_11NA: |
| 1837 | return (IEEE80211_IS_CHAN_HTA(c)); |
| 1838 | case IEEE80211_MODE_11NG: |
| 1839 | return (IEEE80211_IS_CHAN_HTG(c)); |
| 1840 | } |
| 1841 | return 1; |
| 1842 | |
| 1843 | } |
| 1844 | |
| 1845 | /* |
| 1846 | * Common code to set the current channel. If the device |
| 1847 | * is up and running this may result in an immediate channel |
| 1848 | * change or a kick of the state machine. |
| 1849 | */ |
| 1850 | static int |
| 1851 | setcurchan(struct ieee80211vap *vap, struct ieee80211_channel *c) |
| 1852 | { |
| 1853 | struct ieee80211com *ic = vap->iv_ic; |
| 1854 | int error; |
| 1855 | |
| 1856 | if (c != IEEE80211_CHAN_ANYC) { |
| 1857 | if (IEEE80211_IS_CHAN_RADAR(c)) |
| 1858 | return EBUSY; /* XXX better code? */ |
| 1859 | if (vap->iv_opmode == IEEE80211_M_HOSTAP) { |
| 1860 | if (IEEE80211_IS_CHAN_NOHOSTAP(c)) |
| 1861 | return EINVAL; |
| 1862 | if (!check_mode_consistency(c, vap->iv_des_mode)) |
| 1863 | return EINVAL; |
| 1864 | } else if (vap->iv_opmode == IEEE80211_M_IBSS) { |
| 1865 | if (IEEE80211_IS_CHAN_NOADHOC(c)) |
| 1866 | return EINVAL; |
| 1867 | } |
| 1868 | if (vap->iv_state == IEEE80211_S_RUN && |
| 1869 | vap->iv_bss->ni_chan == c) |
| 1870 | return 0; /* NB: nothing to do */ |
| 1871 | } |
| 1872 | vap->iv_des_chan = c; |
| 1873 | |
| 1874 | error = 0; |
| 1875 | if (vap->iv_opmode == IEEE80211_M_MONITOR && |
| 1876 | vap->iv_des_chan != IEEE80211_CHAN_ANYC) { |
| 1877 | /* |
| 1878 | * Monitor mode can switch directly. |
| 1879 | */ |
| 1880 | if (IFNET_IS_UP_RUNNING(vap->iv_ifp)) { |
| 1881 | /* XXX need state machine for other vap's to follow */ |
| 1882 | ieee80211_setcurchan(ic, vap->iv_des_chan); |
| 1883 | vap->iv_bss->ni_chan = ic->ic_curchan; |
| 1884 | } else |
| 1885 | ic->ic_curchan = vap->iv_des_chan; |
| 1886 | ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); |
| 1887 | } else { |
| 1888 | /* |
| 1889 | * Need to go through the state machine in case we |
| 1890 | * need to reassociate or the like. The state machine |
| 1891 | * will pickup the desired channel and avoid scanning. |
| 1892 | */ |
| 1893 | if (IS_UP_AUTO(vap)) |
| 1894 | ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); |
| 1895 | else if (vap->iv_des_chan != IEEE80211_CHAN_ANYC) { |
| 1896 | /* |
| 1897 | * When not up+running and a real channel has |
| 1898 | * been specified fix the current channel so |
| 1899 | * there is immediate feedback; e.g. via ifconfig. |
| 1900 | */ |
| 1901 | ic->ic_curchan = vap->iv_des_chan; |
| 1902 | ic->ic_rt = ieee80211_get_ratetable(ic->ic_curchan); |
| 1903 | } |
| 1904 | } |
| 1905 | return error; |
| 1906 | } |
| 1907 | |
| 1908 | /* |
| 1909 | * Old api for setting the current channel; this is |
| 1910 | * deprecated because channel numbers are ambiguous. |
| 1911 | */ |
| 1912 | static __noinline int |
| 1913 | ieee80211_ioctl_setchannel(struct ieee80211vap *vap, |
| 1914 | const struct ieee80211req *ireq) |
| 1915 | { |
| 1916 | struct ieee80211com *ic = vap->iv_ic; |
| 1917 | struct ieee80211_channel *c; |
| 1918 | |
| 1919 | /* XXX 0xffff overflows 16-bit signed */ |
| 1920 | if (ireq->i_val == 0 || |
| 1921 | ireq->i_val == (int16_t) IEEE80211_CHAN_ANY) { |
| 1922 | c = IEEE80211_CHAN_ANYC; |
| 1923 | } else { |
| 1924 | struct ieee80211_channel *c2; |
| 1925 | |
| 1926 | c = findchannel(ic, ireq->i_val, vap->iv_des_mode); |
| 1927 | if (c == NULL) { |
| 1928 | c = findchannel(ic, ireq->i_val, |
| 1929 | IEEE80211_MODE_AUTO); |
| 1930 | if (c == NULL) |
| 1931 | return EINVAL; |
| 1932 | } |
| 1933 | /* |
| 1934 | * Fine tune channel selection based on desired mode: |
| 1935 | * if 11b is requested, find the 11b version of any |
| 1936 | * 11g channel returned, |
| 1937 | * if static turbo, find the turbo version of any |
| 1938 | * 11a channel return, |
| 1939 | * if 11na is requested, find the ht version of any |
| 1940 | * 11a channel returned, |
| 1941 | * if 11ng is requested, find the ht version of any |
| 1942 | * 11g channel returned, |
| 1943 | * otherwise we should be ok with what we've got. |
| 1944 | */ |
| 1945 | switch (vap->iv_des_mode) { |
| 1946 | case IEEE80211_MODE_11B: |
| 1947 | if (IEEE80211_IS_CHAN_ANYG(c)) { |
| 1948 | c2 = findchannel(ic, ireq->i_val, |
| 1949 | IEEE80211_MODE_11B); |
| 1950 | /* NB: should not happen, =>'s 11g w/o 11b */ |
| 1951 | if (c2 != NULL) |
| 1952 | c = c2; |
| 1953 | } |
| 1954 | break; |
| 1955 | case IEEE80211_MODE_TURBO_A: |
| 1956 | if (IEEE80211_IS_CHAN_A(c)) { |
| 1957 | c2 = findchannel(ic, ireq->i_val, |
| 1958 | IEEE80211_MODE_TURBO_A); |
| 1959 | if (c2 != NULL) |
| 1960 | c = c2; |
| 1961 | } |
| 1962 | break; |
| 1963 | case IEEE80211_MODE_11NA: |
| 1964 | if (IEEE80211_IS_CHAN_A(c)) { |
| 1965 | c2 = findchannel(ic, ireq->i_val, |
| 1966 | IEEE80211_MODE_11NA); |
| 1967 | if (c2 != NULL) |
| 1968 | c = c2; |
| 1969 | } |
| 1970 | break; |
| 1971 | case IEEE80211_MODE_11NG: |
| 1972 | if (IEEE80211_IS_CHAN_ANYG(c)) { |
| 1973 | c2 = findchannel(ic, ireq->i_val, |
| 1974 | IEEE80211_MODE_11NG); |
| 1975 | if (c2 != NULL) |
| 1976 | c = c2; |
| 1977 | } |
| 1978 | break; |
| 1979 | default: /* NB: no static turboG */ |
| 1980 | break; |
| 1981 | } |
| 1982 | } |
| 1983 | return setcurchan(vap, c); |
| 1984 | } |
| 1985 | |
| 1986 | /* |
| 1987 | * New/current api for setting the current channel; a complete |
| 1988 | * channel description is provide so there is no ambiguity in |
| 1989 | * identifying the channel. |
| 1990 | */ |
| 1991 | static __noinline int |
| 1992 | ieee80211_ioctl_setcurchan(struct ieee80211vap *vap, |
| 1993 | const struct ieee80211req *ireq) |
| 1994 | { |
| 1995 | struct ieee80211com *ic = vap->iv_ic; |
| 1996 | struct ieee80211_channel chan, *c; |
| 1997 | int error; |
| 1998 | |
| 1999 | if (ireq->i_len != sizeof(chan)) |
| 2000 | return EINVAL; |
| 2001 | error = copyin(ireq->i_data, &chan, sizeof(chan)); |
| 2002 | if (error != 0) |
| 2003 | return error; |
| 2004 | /* XXX 0xffff overflows 16-bit signed */ |
| 2005 | if (chan.ic_freq == 0 || chan.ic_freq == IEEE80211_CHAN_ANY) { |
| 2006 | c = IEEE80211_CHAN_ANYC; |
| 2007 | } else { |
| 2008 | c = ieee80211_find_channel(ic, chan.ic_freq, chan.ic_flags); |
| 2009 | if (c == NULL) |
| 2010 | return EINVAL; |
| 2011 | } |
| 2012 | return setcurchan(vap, c); |
| 2013 | } |
| 2014 | |
| 2015 | static __noinline int |
| 2016 | ieee80211_ioctl_setregdomain(struct ieee80211vap *vap, |
| 2017 | const struct ieee80211req *ireq) |
| 2018 | { |
| 2019 | struct ieee80211_regdomain_req *reg; |
| 2020 | int nchans, error; |
| 2021 | |
| 2022 | nchans = 1 + ((ireq->i_len - sizeof(struct ieee80211_regdomain_req)) / |
| 2023 | sizeof(struct ieee80211_channel)); |
| 2024 | if (!(1 <= nchans && nchans <= IEEE80211_CHAN_MAX)) { |
| 2025 | IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, |
| 2026 | "%s: bad # chans, i_len %d nchans %d\n", __func__, |
| 2027 | ireq->i_len, nchans); |
| 2028 | return EINVAL; |
| 2029 | } |
| 2030 | reg = (struct ieee80211_regdomain_req *) |
| 2031 | kmalloc(IEEE80211_REGDOMAIN_SIZE(nchans), M_TEMP, M_INTWAIT); |
| 2032 | if (reg == NULL) { |
| 2033 | IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, |
| 2034 | "%s: no memory, nchans %d\n", __func__, nchans); |
| 2035 | return ENOMEM; |
| 2036 | } |
| 2037 | error = copyin(ireq->i_data, reg, IEEE80211_REGDOMAIN_SIZE(nchans)); |
| 2038 | if (error == 0) { |
| 2039 | /* NB: validate inline channel count against storage size */ |
| 2040 | if (reg->chaninfo.ic_nchans != nchans) { |
| 2041 | IEEE80211_DPRINTF(vap, IEEE80211_MSG_IOCTL, |
| 2042 | "%s: chan cnt mismatch, %d != %d\n", __func__, |
| 2043 | reg->chaninfo.ic_nchans, nchans); |
| 2044 | error = EINVAL; |
| 2045 | } else |
| 2046 | error = ieee80211_setregdomain(vap, reg); |
| 2047 | } |
| 2048 | kfree(reg, M_TEMP); |
| 2049 | |
| 2050 | return (error == 0 ? ENETRESET : error); |
| 2051 | } |
| 2052 | |
| 2053 | static int |
| 2054 | ieee80211_ioctl_setroam(struct ieee80211vap *vap, |
| 2055 | const struct ieee80211req *ireq) |
| 2056 | { |
| 2057 | if (ireq->i_len != sizeof(vap->iv_roamparms)) |
| 2058 | return EINVAL; |
| 2059 | /* XXX validate params */ |
| 2060 | /* XXX? ENETRESET to push to device? */ |
| 2061 | return copyin(ireq->i_data, vap->iv_roamparms, |
| 2062 | sizeof(vap->iv_roamparms)); |
| 2063 | } |
| 2064 | |
| 2065 | static int |
| 2066 | checkrate(const struct ieee80211_rateset *rs, int rate) |
| 2067 | { |
| 2068 | int i; |
| 2069 | |
| 2070 | if (rate == IEEE80211_FIXED_RATE_NONE) |
| 2071 | return 1; |
| 2072 | for (i = 0; i < rs->rs_nrates; i++) |
| 2073 | if ((rs->rs_rates[i] & IEEE80211_RATE_VAL) == rate) |
| 2074 | return 1; |
| 2075 | return 0; |
| 2076 | } |
| 2077 | |
| 2078 | static int |
| 2079 | checkmcs(int mcs) |
| 2080 | { |
| 2081 | if (mcs == IEEE80211_FIXED_RATE_NONE) |
| 2082 | return 1; |
| 2083 | if ((mcs & IEEE80211_RATE_MCS) == 0) /* MCS always have 0x80 set */ |
| 2084 | return 0; |
| 2085 | return (mcs & 0x7f) <= 15; /* XXX could search ht rate set */ |
| 2086 | } |
| 2087 | |
| 2088 | static __noinline int |
| 2089 | ieee80211_ioctl_settxparams(struct ieee80211vap *vap, |
| 2090 | const struct ieee80211req *ireq) |
| 2091 | { |
| 2092 | struct ieee80211com *ic = vap->iv_ic; |
| 2093 | struct ieee80211_txparams_req parms; /* XXX stack use? */ |
| 2094 | struct ieee80211_txparam *src, *dst; |
| 2095 | const struct ieee80211_rateset *rs; |
| 2096 | int error, mode, changed, is11n, nmodes; |
| 2097 | |
| 2098 | /* NB: accept short requests for backwards compat */ |
| 2099 | if (ireq->i_len > sizeof(parms)) |
| 2100 | return EINVAL; |
| 2101 | error = copyin(ireq->i_data, &parms, ireq->i_len); |
| 2102 | if (error != 0) |
| 2103 | return error; |
| 2104 | nmodes = ireq->i_len / sizeof(struct ieee80211_txparam); |
| 2105 | changed = 0; |
| 2106 | /* validate parameters and check if anything changed */ |
| 2107 | for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { |
| 2108 | if (isclr(ic->ic_modecaps, mode)) |
| 2109 | continue; |
| 2110 | src = &parms.params[mode]; |
| 2111 | dst = &vap->iv_txparms[mode]; |
| 2112 | rs = &ic->ic_sup_rates[mode]; /* NB: 11n maps to legacy */ |
| 2113 | is11n = (mode == IEEE80211_MODE_11NA || |
| 2114 | mode == IEEE80211_MODE_11NG); |
| 2115 | if (src->ucastrate != dst->ucastrate) { |
| 2116 | if (!checkrate(rs, src->ucastrate) && |
| 2117 | (!is11n || !checkmcs(src->ucastrate))) |
| 2118 | return EINVAL; |
| 2119 | changed++; |
| 2120 | } |
| 2121 | if (src->mcastrate != dst->mcastrate) { |
| 2122 | if (!checkrate(rs, src->mcastrate) && |
| 2123 | (!is11n || !checkmcs(src->mcastrate))) |
| 2124 | return EINVAL; |
| 2125 | changed++; |
| 2126 | } |
| 2127 | if (src->mgmtrate != dst->mgmtrate) { |
| 2128 | if (!checkrate(rs, src->mgmtrate) && |
| 2129 | (!is11n || !checkmcs(src->mgmtrate))) |
| 2130 | return EINVAL; |
| 2131 | changed++; |
| 2132 | } |
| 2133 | if (src->maxretry != dst->maxretry) /* NB: no bounds */ |
| 2134 | changed++; |
| 2135 | } |
| 2136 | if (changed) { |
| 2137 | /* |
| 2138 | * Copy new parameters in place and notify the |
| 2139 | * driver so it can push state to the device. |
| 2140 | */ |
| 2141 | for (mode = IEEE80211_MODE_11A; mode < nmodes; mode++) { |
| 2142 | if (isset(ic->ic_modecaps, mode)) |
| 2143 | vap->iv_txparms[mode] = parms.params[mode]; |
| 2144 | } |
| 2145 | /* XXX could be more intelligent, |
| 2146 | e.g. don't reset if setting not being used */ |
| 2147 | return ENETRESET; |
| 2148 | } |
| 2149 | return 0; |
| 2150 | } |
| 2151 | |
| 2152 | /* |
| 2153 | * Application Information Element support. |
| 2154 | */ |
| 2155 | static int |
| 2156 | setappie(struct ieee80211_appie **aie, const struct ieee80211req *ireq) |
| 2157 | { |
| 2158 | struct ieee80211_appie *app = *aie; |
| 2159 | struct ieee80211_appie *napp; |
| 2160 | int error; |
| 2161 | |
| 2162 | if (ireq->i_len == 0) { /* delete any existing ie */ |
| 2163 | if (app != NULL) { |
| 2164 | *aie = NULL; /* XXX racey */ |
| 2165 | kfree(app, M_80211_NODE_IE); |
| 2166 | } |
| 2167 | return 0; |
| 2168 | } |
| 2169 | if (!(2 <= ireq->i_len && ireq->i_len <= IEEE80211_MAX_APPIE)) |
| 2170 | return EINVAL; |
| 2171 | /* |
| 2172 | * Allocate a new appie structure and copy in the user data. |
| 2173 | * When done swap in the new structure. Note that we do not |
| 2174 | * guard against users holding a ref to the old structure; |
| 2175 | * this must be handled outside this code. |
| 2176 | * |
| 2177 | * XXX bad bad bad |
| 2178 | */ |
| 2179 | napp = (struct ieee80211_appie *) kmalloc( |
| 2180 | sizeof(struct ieee80211_appie) + ireq->i_len, M_80211_NODE_IE, |
| 2181 | M_INTWAIT); |
| 2182 | if (napp == NULL) |
| 2183 | return ENOMEM; |
| 2184 | /* XXX holding ic lock */ |
| 2185 | error = copyin(ireq->i_data, napp->ie_data, ireq->i_len); |
| 2186 | if (error) { |
| 2187 | kfree(napp, M_80211_NODE_IE); |
| 2188 | return error; |
| 2189 | } |
| 2190 | napp->ie_len = ireq->i_len; |
| 2191 | *aie = napp; |
| 2192 | if (app != NULL) |
| 2193 | kfree(app, M_80211_NODE_IE); |
| 2194 | return 0; |
| 2195 | } |
| 2196 | |
| 2197 | static void |
| 2198 | setwparsnie(struct ieee80211vap *vap, uint8_t *ie, int space) |
| 2199 | { |
| 2200 | /* validate data is present as best we can */ |
| 2201 | if (space == 0 || 2+ie[1] > space) |
| 2202 | return; |
| 2203 | if (ie[0] == IEEE80211_ELEMID_VENDOR) |
| 2204 | vap->iv_wpa_ie = ie; |
| 2205 | else if (ie[0] == IEEE80211_ELEMID_RSN) |
| 2206 | vap->iv_rsn_ie = ie; |
| 2207 | } |
| 2208 | |
| 2209 | static __noinline int |
| 2210 | ieee80211_ioctl_setappie_locked(struct ieee80211vap *vap, |
| 2211 | const struct ieee80211req *ireq, int fc0) |
| 2212 | { |
| 2213 | int error; |
| 2214 | |
| 2215 | switch (fc0 & IEEE80211_FC0_SUBTYPE_MASK) { |
| 2216 | case IEEE80211_FC0_SUBTYPE_BEACON: |
| 2217 | if (vap->iv_opmode != IEEE80211_M_HOSTAP && |
| 2218 | vap->iv_opmode != IEEE80211_M_IBSS) { |
| 2219 | error = EINVAL; |
| 2220 | break; |
| 2221 | } |
| 2222 | error = setappie(&vap->iv_appie_beacon, ireq); |
| 2223 | if (error == 0) |
| 2224 | ieee80211_beacon_notify(vap, IEEE80211_BEACON_APPIE); |
| 2225 | break; |
| 2226 | case IEEE80211_FC0_SUBTYPE_PROBE_RESP: |
| 2227 | error = setappie(&vap->iv_appie_proberesp, ireq); |
| 2228 | break; |
| 2229 | case IEEE80211_FC0_SUBTYPE_ASSOC_RESP: |
| 2230 | if (vap->iv_opmode == IEEE80211_M_HOSTAP) |
| 2231 | error = setappie(&vap->iv_appie_assocresp, ireq); |
| 2232 | else |
| 2233 | error = EINVAL; |
| 2234 | break; |
| 2235 | case IEEE80211_FC0_SUBTYPE_PROBE_REQ: |
| 2236 | error = setappie(&vap->iv_appie_probereq, ireq); |
| 2237 | break; |
| 2238 | case IEEE80211_FC0_SUBTYPE_ASSOC_REQ: |
| 2239 | if (vap->iv_opmode == IEEE80211_M_STA) |
| 2240 | error = setappie(&vap->iv_appie_assocreq, ireq); |
| 2241 | else |
| 2242 | error = EINVAL; |
| 2243 | break; |
| 2244 | case (IEEE80211_APPIE_WPA & IEEE80211_FC0_SUBTYPE_MASK): |
| 2245 | error = setappie(&vap->iv_appie_wpa, ireq); |
| 2246 | if (error == 0) { |
| 2247 | /* |
| 2248 | * Must split single blob of data into separate |
| 2249 | * WPA and RSN ie's because they go in different |
| 2250 | * locations in the mgt frames. |
| 2251 | * XXX use IEEE80211_IOC_WPA2 so user code does split |
| 2252 | */ |
| 2253 | vap->iv_wpa_ie = NULL; |
| 2254 | vap->iv_rsn_ie = NULL; |
| 2255 | if (vap->iv_appie_wpa != NULL) { |
| 2256 | struct ieee80211_appie *appie = |
| 2257 | vap->iv_appie_wpa; |
| 2258 | uint8_t *data = appie->ie_data; |
| 2259 | |
| 2260 | /* XXX ie length validate is painful, cheat */ |
| 2261 | setwparsnie(vap, data, appie->ie_len); |
| 2262 | setwparsnie(vap, data + 2 + data[1], |
| 2263 | appie->ie_len - (2 + data[1])); |
| 2264 | } |
| 2265 | if (vap->iv_opmode == IEEE80211_M_HOSTAP || |
| 2266 | vap->iv_opmode == IEEE80211_M_IBSS) { |
| 2267 | /* |
| 2268 | * Must rebuild beacon frame as the update |
| 2269 | * mechanism doesn't handle WPA/RSN ie's. |
| 2270 | * Could extend it but it doesn't normally |
| 2271 | * change; this is just to deal with hostapd |
| 2272 | * plumbing the ie after the interface is up. |
| 2273 | */ |
| 2274 | error = ENETRESET; |
| 2275 | } |
| 2276 | } |
| 2277 | break; |
| 2278 | default: |
| 2279 | error = EINVAL; |
| 2280 | break; |
| 2281 | } |
| 2282 | return error; |
| 2283 | } |
| 2284 | |
| 2285 | static __noinline int |
| 2286 | ieee80211_ioctl_setappie(struct ieee80211vap *vap, |
| 2287 | const struct ieee80211req *ireq) |
| 2288 | { |
| 2289 | struct ieee80211com *ic = vap->iv_ic; |
| 2290 | int error; |
| 2291 | uint8_t fc0; |
| 2292 | |
| 2293 | ic = vap->iv_ic; |
| 2294 | fc0 = ireq->i_val & 0xff; |
| 2295 | if ((fc0 & IEEE80211_FC0_TYPE_MASK) != IEEE80211_FC0_TYPE_MGT) |
| 2296 | return EINVAL; |
| 2297 | /* NB: could check iv_opmode and reject but hardly worth the effort */ |
| 2298 | error = ieee80211_ioctl_setappie_locked(vap, ireq, fc0); |
| 2299 | return error; |
| 2300 | } |
| 2301 | |
| 2302 | static __noinline int |
| 2303 | ieee80211_ioctl_chanswitch(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 2304 | { |
| 2305 | struct ieee80211com *ic = vap->iv_ic; |
| 2306 | struct ieee80211_chanswitch_req csr; |
| 2307 | struct ieee80211_channel *c; |
| 2308 | int error; |
| 2309 | |
| 2310 | if (ireq->i_len != sizeof(csr)) |
| 2311 | return EINVAL; |
| 2312 | error = copyin(ireq->i_data, &csr, sizeof(csr)); |
| 2313 | if (error != 0) |
| 2314 | return error; |
| 2315 | /* XXX adhoc mode not supported */ |
| 2316 | if (vap->iv_opmode != IEEE80211_M_HOSTAP || |
| 2317 | (vap->iv_flags & IEEE80211_F_DOTH) == 0) |
| 2318 | return EOPNOTSUPP; |
| 2319 | c = ieee80211_find_channel(ic, |
| 2320 | csr.csa_chan.ic_freq, csr.csa_chan.ic_flags); |
| 2321 | if (c == NULL) |
| 2322 | return ENOENT; |
| 2323 | if ((ic->ic_flags & IEEE80211_F_CSAPENDING) == 0) |
| 2324 | ieee80211_csa_startswitch(ic, c, csr.csa_mode, csr.csa_count); |
| 2325 | else if (csr.csa_count == 0) |
| 2326 | ieee80211_csa_cancelswitch(ic); |
| 2327 | else |
| 2328 | error = EBUSY; |
| 2329 | return error; |
| 2330 | } |
| 2331 | |
| 2332 | static __noinline int |
| 2333 | ieee80211_ioctl_scanreq(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 2334 | { |
| 2335 | #define IEEE80211_IOC_SCAN_FLAGS \ |
| 2336 | (IEEE80211_IOC_SCAN_NOPICK | IEEE80211_IOC_SCAN_ACTIVE | \ |
| 2337 | IEEE80211_IOC_SCAN_PICK1ST | IEEE80211_IOC_SCAN_BGSCAN | \ |
| 2338 | IEEE80211_IOC_SCAN_ONCE | IEEE80211_IOC_SCAN_NOBCAST | \ |
| 2339 | IEEE80211_IOC_SCAN_NOJOIN | IEEE80211_IOC_SCAN_FLUSH | \ |
| 2340 | IEEE80211_IOC_SCAN_CHECK) |
| 2341 | struct ieee80211com *ic = vap->iv_ic; |
| 2342 | struct ieee80211_scan_req sr; /* XXX off stack? */ |
| 2343 | int error, i; |
| 2344 | |
| 2345 | /* NB: parent must be running */ |
| 2346 | if ((ic->ic_ifp->if_flags & IFF_RUNNING) == 0) |
| 2347 | return ENXIO; |
| 2348 | |
| 2349 | if (ireq->i_len != sizeof(sr)) |
| 2350 | return EINVAL; |
| 2351 | error = copyin(ireq->i_data, &sr, sizeof(sr)); |
| 2352 | if (error != 0) |
| 2353 | return error; |
| 2354 | /* convert duration */ |
| 2355 | if (sr.sr_duration == IEEE80211_IOC_SCAN_FOREVER) |
| 2356 | sr.sr_duration = IEEE80211_SCAN_FOREVER; |
| 2357 | else { |
| 2358 | if (sr.sr_duration < IEEE80211_IOC_SCAN_DURATION_MIN || |
| 2359 | sr.sr_duration > IEEE80211_IOC_SCAN_DURATION_MAX) |
| 2360 | return EINVAL; |
| 2361 | sr.sr_duration = msecs_to_ticks(sr.sr_duration); |
| 2362 | if (sr.sr_duration < 1) |
| 2363 | sr.sr_duration = 1; |
| 2364 | } |
| 2365 | /* convert min/max channel dwell */ |
| 2366 | if (sr.sr_mindwell != 0) { |
| 2367 | sr.sr_mindwell = msecs_to_ticks(sr.sr_mindwell); |
| 2368 | if (sr.sr_mindwell < 1) |
| 2369 | sr.sr_mindwell = 1; |
| 2370 | } |
| 2371 | if (sr.sr_maxdwell != 0) { |
| 2372 | sr.sr_maxdwell = msecs_to_ticks(sr.sr_maxdwell); |
| 2373 | if (sr.sr_maxdwell < 1) |
| 2374 | sr.sr_maxdwell = 1; |
| 2375 | } |
| 2376 | /* NB: silently reduce ssid count to what is supported */ |
| 2377 | if (sr.sr_nssid > IEEE80211_SCAN_MAX_SSID) |
| 2378 | sr.sr_nssid = IEEE80211_SCAN_MAX_SSID; |
| 2379 | for (i = 0; i < sr.sr_nssid; i++) |
| 2380 | if (sr.sr_ssid[i].len > IEEE80211_NWID_LEN) |
| 2381 | return EINVAL; |
| 2382 | /* cleanse flags just in case, could reject if invalid flags */ |
| 2383 | sr.sr_flags &= IEEE80211_IOC_SCAN_FLAGS; |
| 2384 | /* |
| 2385 | * Add an implicit NOPICK if the vap is not marked UP. This |
| 2386 | * allows applications to scan without joining a bss (or picking |
| 2387 | * a channel and setting up a bss) and without forcing manual |
| 2388 | * roaming mode--you just need to mark the parent device UP. |
| 2389 | */ |
| 2390 | if ((vap->iv_ifp->if_flags & IFF_UP) == 0) |
| 2391 | sr.sr_flags |= IEEE80211_IOC_SCAN_NOPICK; |
| 2392 | |
| 2393 | IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, |
| 2394 | "%s: flags 0x%x%s duration 0x%x mindwell %u maxdwell %u nssid %d\n", |
| 2395 | __func__, sr.sr_flags, |
| 2396 | (vap->iv_ifp->if_flags & IFF_UP) == 0 ? " (!IFF_UP)" : "", |
| 2397 | sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, sr.sr_nssid); |
| 2398 | /* |
| 2399 | * If we are in INIT state then the driver has never had a chance |
| 2400 | * to setup hardware state to do a scan; we must use the state |
| 2401 | * machine to get us up to the SCAN state but once we reach SCAN |
| 2402 | * state we then want to use the supplied params. Stash the |
| 2403 | * parameters in the vap and mark IEEE80211_FEXT_SCANREQ; the |
| 2404 | * state machines will recognize this and use the stashed params |
| 2405 | * to issue the scan request. |
| 2406 | * |
| 2407 | * Otherwise just invoke the scan machinery directly. |
| 2408 | */ |
| 2409 | if (vap->iv_state == IEEE80211_S_INIT) { |
| 2410 | /* NB: clobbers previous settings */ |
| 2411 | vap->iv_scanreq_flags = sr.sr_flags; |
| 2412 | vap->iv_scanreq_duration = sr.sr_duration; |
| 2413 | vap->iv_scanreq_nssid = sr.sr_nssid; |
| 2414 | for (i = 0; i < sr.sr_nssid; i++) { |
| 2415 | vap->iv_scanreq_ssid[i].len = sr.sr_ssid[i].len; |
| 2416 | memcpy(vap->iv_scanreq_ssid[i].ssid, sr.sr_ssid[i].ssid, |
| 2417 | sr.sr_ssid[i].len); |
| 2418 | } |
| 2419 | vap->iv_flags_ext |= IEEE80211_FEXT_SCANREQ; |
| 2420 | ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); |
| 2421 | } else { |
| 2422 | vap->iv_flags_ext &= ~IEEE80211_FEXT_SCANREQ; |
| 2423 | /* XXX neeed error return codes */ |
| 2424 | if (sr.sr_flags & IEEE80211_IOC_SCAN_CHECK) { |
| 2425 | (void) ieee80211_check_scan(vap, sr.sr_flags, |
| 2426 | sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, |
| 2427 | sr.sr_nssid, |
| 2428 | /* NB: cheat, we assume structures are compatible */ |
| 2429 | (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); |
| 2430 | } else { |
| 2431 | (void) ieee80211_start_scan(vap, sr.sr_flags, |
| 2432 | sr.sr_duration, sr.sr_mindwell, sr.sr_maxdwell, |
| 2433 | sr.sr_nssid, |
| 2434 | /* NB: cheat, we assume structures are compatible */ |
| 2435 | (const struct ieee80211_scan_ssid *) &sr.sr_ssid[0]); |
| 2436 | } |
| 2437 | } |
| 2438 | return error; |
| 2439 | #undef IEEE80211_IOC_SCAN_FLAGS |
| 2440 | } |
| 2441 | |
| 2442 | static __noinline int |
| 2443 | ieee80211_ioctl_setstavlan(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 2444 | { |
| 2445 | struct ieee80211_node *ni; |
| 2446 | struct ieee80211req_sta_vlan vlan; |
| 2447 | int error; |
| 2448 | |
| 2449 | if (ireq->i_len != sizeof(vlan)) |
| 2450 | return EINVAL; |
| 2451 | error = copyin(ireq->i_data, &vlan, sizeof(vlan)); |
| 2452 | if (error != 0) |
| 2453 | return error; |
| 2454 | if (!IEEE80211_ADDR_EQ(vlan.sv_macaddr, zerobssid)) { |
| 2455 | ni = ieee80211_find_vap_node(&vap->iv_ic->ic_sta, vap, |
| 2456 | vlan.sv_macaddr); |
| 2457 | if (ni == NULL) |
| 2458 | return ENOENT; |
| 2459 | } else |
| 2460 | ni = ieee80211_ref_node(vap->iv_bss); |
| 2461 | ni->ni_vlan = vlan.sv_vlan; |
| 2462 | ieee80211_free_node(ni); |
| 2463 | return error; |
| 2464 | } |
| 2465 | |
| 2466 | static int |
| 2467 | isvap11g(const struct ieee80211vap *vap) |
| 2468 | { |
| 2469 | const struct ieee80211_node *bss = vap->iv_bss; |
| 2470 | return bss->ni_chan != IEEE80211_CHAN_ANYC && |
| 2471 | IEEE80211_IS_CHAN_ANYG(bss->ni_chan); |
| 2472 | } |
| 2473 | |
| 2474 | static int |
| 2475 | isvapht(const struct ieee80211vap *vap) |
| 2476 | { |
| 2477 | const struct ieee80211_node *bss = vap->iv_bss; |
| 2478 | return bss->ni_chan != IEEE80211_CHAN_ANYC && |
| 2479 | IEEE80211_IS_CHAN_HT(bss->ni_chan); |
| 2480 | } |
| 2481 | |
| 2482 | /* |
| 2483 | * Dummy ioctl set handler so the linker set is defined. |
| 2484 | */ |
| 2485 | static int |
| 2486 | dummy_ioctl_set(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 2487 | { |
| 2488 | return ENOSYS; |
| 2489 | } |
| 2490 | IEEE80211_IOCTL_SET(dummy, dummy_ioctl_set); |
| 2491 | |
| 2492 | static int |
| 2493 | ieee80211_ioctl_setdefault(struct ieee80211vap *vap, struct ieee80211req *ireq) |
| 2494 | { |
| 2495 | ieee80211_ioctl_setfunc * const *set; |
| 2496 | int error; |
| 2497 | |
| 2498 | SET_FOREACH(set, ieee80211_ioctl_setset) { |
| 2499 | error = (*set)(vap, ireq); |
| 2500 | if (error != ENOSYS) |
| 2501 | return error; |
| 2502 | } |
| 2503 | return EINVAL; |
| 2504 | } |
| 2505 | |
| 2506 | static __noinline int |
| 2507 | ieee80211_ioctl_set80211(struct ieee80211vap *vap, u_long cmd, struct ieee80211req *ireq) |
| 2508 | { |
| 2509 | struct ieee80211com *ic = vap->iv_ic; |
| 2510 | int error; |
| 2511 | const struct ieee80211_authenticator *auth; |
| 2512 | uint8_t tmpkey[IEEE80211_KEYBUF_SIZE]; |
| 2513 | char tmpssid[IEEE80211_NWID_LEN]; |
| 2514 | uint8_t tmpbssid[IEEE80211_ADDR_LEN]; |
| 2515 | struct ieee80211_key *k; |
| 2516 | u_int kid; |
| 2517 | uint32_t flags; |
| 2518 | |
| 2519 | error = 0; |
| 2520 | switch (ireq->i_type) { |
| 2521 | case IEEE80211_IOC_SSID: |
| 2522 | if (ireq->i_val != 0 || |
| 2523 | ireq->i_len > IEEE80211_NWID_LEN) |
| 2524 | return EINVAL; |
| 2525 | error = copyin(ireq->i_data, tmpssid, ireq->i_len); |
| 2526 | if (error) |
| 2527 | break; |
| 2528 | memset(vap->iv_des_ssid[0].ssid, 0, IEEE80211_NWID_LEN); |
| 2529 | vap->iv_des_ssid[0].len = ireq->i_len; |
| 2530 | memcpy(vap->iv_des_ssid[0].ssid, tmpssid, ireq->i_len); |
| 2531 | vap->iv_des_nssid = (ireq->i_len > 0); |
| 2532 | error = ENETRESET; |
| 2533 | break; |
| 2534 | case IEEE80211_IOC_WEP: |
| 2535 | switch (ireq->i_val) { |
| 2536 | case IEEE80211_WEP_OFF: |
| 2537 | vap->iv_flags &= ~IEEE80211_F_PRIVACY; |
| 2538 | vap->iv_flags &= ~IEEE80211_F_DROPUNENC; |
| 2539 | break; |
| 2540 | case IEEE80211_WEP_ON: |
| 2541 | vap->iv_flags |= IEEE80211_F_PRIVACY; |
| 2542 | vap->iv_flags |= IEEE80211_F_DROPUNENC; |
| 2543 | break; |
| 2544 | case IEEE80211_WEP_MIXED: |
| 2545 | vap->iv_flags |= IEEE80211_F_PRIVACY; |
| 2546 | vap->iv_flags &= ~IEEE80211_F_DROPUNENC; |
| 2547 | break; |
| 2548 | } |
| 2549 | error = ENETRESET; |
| 2550 | break; |
| 2551 | case IEEE80211_IOC_WEPKEY: |
| 2552 | kid = (u_int) ireq->i_val; |
| 2553 | if (kid >= IEEE80211_WEP_NKID) |
| 2554 | return EINVAL; |
| 2555 | k = &vap->iv_nw_keys[kid]; |
| 2556 | if (ireq->i_len == 0) { |
| 2557 | /* zero-len =>'s delete any existing key */ |
| 2558 | (void) ieee80211_crypto_delkey(vap, k); |
| 2559 | break; |
| 2560 | } |
| 2561 | if (ireq->i_len > sizeof(tmpkey)) |
| 2562 | return EINVAL; |
| 2563 | memset(tmpkey, 0, sizeof(tmpkey)); |
| 2564 | error = copyin(ireq->i_data, tmpkey, ireq->i_len); |
| 2565 | if (error) |
| 2566 | break; |
| 2567 | ieee80211_key_update_begin(vap); |
| 2568 | k->wk_keyix = kid; /* NB: force fixed key id */ |
| 2569 | if (ieee80211_crypto_newkey(vap, IEEE80211_CIPHER_WEP, |
| 2570 | IEEE80211_KEY_XMIT | IEEE80211_KEY_RECV, k)) { |
| 2571 | k->wk_keylen = ireq->i_len; |
| 2572 | memcpy(k->wk_key, tmpkey, sizeof(tmpkey)); |
| 2573 | IEEE80211_ADDR_COPY(k->wk_macaddr, vap->iv_myaddr); |
| 2574 | if (!ieee80211_crypto_setkey(vap, k)) |
| 2575 | error = EINVAL; |
| 2576 | } else |
| 2577 | error = EINVAL; |
| 2578 | ieee80211_key_update_end(vap); |
| 2579 | break; |
| 2580 | case IEEE80211_IOC_WEPTXKEY: |
| 2581 | kid = (u_int) ireq->i_val; |
| 2582 | if (kid >= IEEE80211_WEP_NKID && |
| 2583 | (uint16_t) kid != IEEE80211_KEYIX_NONE) |
| 2584 | return EINVAL; |
| 2585 | vap->iv_def_txkey = kid; |
| 2586 | break; |
| 2587 | case IEEE80211_IOC_AUTHMODE: |
| 2588 | switch (ireq->i_val) { |
| 2589 | case IEEE80211_AUTH_WPA: |
| 2590 | case IEEE80211_AUTH_8021X: /* 802.1x */ |
| 2591 | case IEEE80211_AUTH_OPEN: /* open */ |
| 2592 | case IEEE80211_AUTH_SHARED: /* shared-key */ |
| 2593 | case IEEE80211_AUTH_AUTO: /* auto */ |
| 2594 | auth = ieee80211_authenticator_get(ireq->i_val); |
| 2595 | if (auth == NULL) |
| 2596 | return EINVAL; |
| 2597 | break; |
| 2598 | default: |
| 2599 | return EINVAL; |
| 2600 | } |
| 2601 | switch (ireq->i_val) { |
| 2602 | case IEEE80211_AUTH_WPA: /* WPA w/ 802.1x */ |
| 2603 | vap->iv_flags |= IEEE80211_F_PRIVACY; |
| 2604 | ireq->i_val = IEEE80211_AUTH_8021X; |
| 2605 | break; |
| 2606 | case IEEE80211_AUTH_OPEN: /* open */ |
| 2607 | vap->iv_flags &= ~(IEEE80211_F_WPA|IEEE80211_F_PRIVACY); |
| 2608 | break; |
| 2609 | case IEEE80211_AUTH_SHARED: /* shared-key */ |
| 2610 | case IEEE80211_AUTH_8021X: /* 802.1x */ |
| 2611 | vap->iv_flags &= ~IEEE80211_F_WPA; |
| 2612 | /* both require a key so mark the PRIVACY capability */ |
| 2613 | vap->iv_flags |= IEEE80211_F_PRIVACY; |
| 2614 | break; |
| 2615 | case IEEE80211_AUTH_AUTO: /* auto */ |
| 2616 | vap->iv_flags &= ~IEEE80211_F_WPA; |
| 2617 | /* XXX PRIVACY handling? */ |
| 2618 | /* XXX what's the right way to do this? */ |
| 2619 | break; |
| 2620 | } |
| 2621 | /* NB: authenticator attach/detach happens on state change */ |
| 2622 | vap->iv_bss->ni_authmode = ireq->i_val; |
| 2623 | /* XXX mixed/mode/usage? */ |
| 2624 | vap->iv_auth = auth; |
| 2625 | error = ENETRESET; |
| 2626 | break; |
| 2627 | case IEEE80211_IOC_CHANNEL: |
| 2628 | error = ieee80211_ioctl_setchannel(vap, ireq); |
| 2629 | break; |
| 2630 | case IEEE80211_IOC_POWERSAVE: |
| 2631 | switch (ireq->i_val) { |
| 2632 | case IEEE80211_POWERSAVE_OFF: |
| 2633 | if (vap->iv_flags & IEEE80211_F_PMGTON) { |
| 2634 | ieee80211_syncflag(vap, -IEEE80211_F_PMGTON); |
| 2635 | error = ERESTART; |
| 2636 | } |
| 2637 | break; |
| 2638 | case IEEE80211_POWERSAVE_ON: |
| 2639 | if ((vap->iv_caps & IEEE80211_C_PMGT) == 0) |
| 2640 | error = EOPNOTSUPP; |
| 2641 | else if ((vap->iv_flags & IEEE80211_F_PMGTON) == 0) { |
| 2642 | ieee80211_syncflag(vap, IEEE80211_F_PMGTON); |
| 2643 | error = ERESTART; |
| 2644 | } |
| 2645 | break; |
| 2646 | default: |
| 2647 | error = EINVAL; |
| 2648 | break; |
| 2649 | } |
| 2650 | break; |
| 2651 | case IEEE80211_IOC_POWERSAVESLEEP: |
| 2652 | if (ireq->i_val < 0) |
| 2653 | return EINVAL; |
| 2654 | ic->ic_lintval = ireq->i_val; |
| 2655 | error = ERESTART; |
| 2656 | break; |
| 2657 | case IEEE80211_IOC_RTSTHRESHOLD: |
| 2658 | if (!(IEEE80211_RTS_MIN <= ireq->i_val && |
| 2659 | ireq->i_val <= IEEE80211_RTS_MAX)) |
| 2660 | return EINVAL; |
| 2661 | vap->iv_rtsthreshold = ireq->i_val; |
| 2662 | error = ERESTART; |
| 2663 | break; |
| 2664 | case IEEE80211_IOC_PROTMODE: |
| 2665 | if (ireq->i_val > IEEE80211_PROT_RTSCTS) |
| 2666 | return EINVAL; |
| 2667 | ic->ic_protmode = ireq->i_val; |
| 2668 | /* NB: if not operating in 11g this can wait */ |
| 2669 | if (ic->ic_bsschan != IEEE80211_CHAN_ANYC && |
| 2670 | IEEE80211_IS_CHAN_ANYG(ic->ic_bsschan)) |
| 2671 | error = ERESTART; |
| 2672 | break; |
| 2673 | case IEEE80211_IOC_TXPOWER: |
| 2674 | if ((ic->ic_caps & IEEE80211_C_TXPMGT) == 0) |
| 2675 | return EOPNOTSUPP; |
| 2676 | if (!(IEEE80211_TXPOWER_MIN <= ireq->i_val && |
| 2677 | ireq->i_val <= IEEE80211_TXPOWER_MAX)) |
| 2678 | return EINVAL; |
| 2679 | ic->ic_txpowlimit = ireq->i_val; |
| 2680 | error = ERESTART; |
| 2681 | break; |
| 2682 | case IEEE80211_IOC_ROAMING: |
| 2683 | if (!(IEEE80211_ROAMING_DEVICE <= ireq->i_val && |
| 2684 | ireq->i_val <= IEEE80211_ROAMING_MANUAL)) |
| 2685 | return EINVAL; |
| 2686 | vap->iv_roaming = ireq->i_val; |
| 2687 | /* XXXX reset? */ |
| 2688 | break; |
| 2689 | case IEEE80211_IOC_PRIVACY: |
| 2690 | if (ireq->i_val) { |
| 2691 | /* XXX check for key state? */ |
| 2692 | vap->iv_flags |= IEEE80211_F_PRIVACY; |
| 2693 | } else |
| 2694 | vap->iv_flags &= ~IEEE80211_F_PRIVACY; |
| 2695 | /* XXX ERESTART? */ |
| 2696 | break; |
| 2697 | case IEEE80211_IOC_DROPUNENCRYPTED: |
| 2698 | if (ireq->i_val) |
| 2699 | vap->iv_flags |= IEEE80211_F_DROPUNENC; |
| 2700 | else |
| 2701 | vap->iv_flags &= ~IEEE80211_F_DROPUNENC; |
| 2702 | /* XXX ERESTART? */ |
| 2703 | break; |
| 2704 | case IEEE80211_IOC_WPAKEY: |
| 2705 | error = ieee80211_ioctl_setkey(vap, ireq); |
| 2706 | break; |
| 2707 | case IEEE80211_IOC_DELKEY: |
| 2708 | error = ieee80211_ioctl_delkey(vap, ireq); |
| 2709 | break; |
| 2710 | case IEEE80211_IOC_MLME: |
| 2711 | error = ieee80211_ioctl_setmlme(vap, ireq); |
| 2712 | break; |
| 2713 | case IEEE80211_IOC_COUNTERMEASURES: |
| 2714 | if (ireq->i_val) { |
| 2715 | if ((vap->iv_flags & IEEE80211_F_WPA) == 0) |
| 2716 | return EOPNOTSUPP; |
| 2717 | vap->iv_flags |= IEEE80211_F_COUNTERM; |
| 2718 | } else |
| 2719 | vap->iv_flags &= ~IEEE80211_F_COUNTERM; |
| 2720 | /* XXX ERESTART? */ |
| 2721 | break; |
| 2722 | case IEEE80211_IOC_WPA: |
| 2723 | if (ireq->i_val > 3) |
| 2724 | return EINVAL; |
| 2725 | /* XXX verify ciphers available */ |
| 2726 | flags = vap->iv_flags & ~IEEE80211_F_WPA; |
| 2727 | switch (ireq->i_val) { |
| 2728 | case 1: |
| 2729 | if (!(vap->iv_caps & IEEE80211_C_WPA1)) |
| 2730 | return EOPNOTSUPP; |
| 2731 | flags |= IEEE80211_F_WPA1; |
| 2732 | break; |
| 2733 | case 2: |
| 2734 | if (!(vap->iv_caps & IEEE80211_C_WPA2)) |
| 2735 | return EOPNOTSUPP; |
| 2736 | flags |= IEEE80211_F_WPA2; |
| 2737 | break; |
| 2738 | case 3: |
| 2739 | if ((vap->iv_caps & IEEE80211_C_WPA) != IEEE80211_C_WPA) |
| 2740 | return EOPNOTSUPP; |
| 2741 | flags |= IEEE80211_F_WPA1 | IEEE80211_F_WPA2; |
| 2742 | break; |
| 2743 | default: /* Can't set any -> error */ |
| 2744 | return EOPNOTSUPP; |
| 2745 | } |
| 2746 | vap->iv_flags = flags; |
| 2747 | error = ERESTART; /* NB: can change beacon frame */ |
| 2748 | break; |
| 2749 | case IEEE80211_IOC_WME: |
| 2750 | if (ireq->i_val) { |
| 2751 | if ((vap->iv_caps & IEEE80211_C_WME) == 0) |
| 2752 | return EOPNOTSUPP; |
| 2753 | ieee80211_syncflag(vap, IEEE80211_F_WME); |
| 2754 | } else |
| 2755 | ieee80211_syncflag(vap, -IEEE80211_F_WME); |
| 2756 | error = ERESTART; /* NB: can change beacon frame */ |
| 2757 | break; |
| 2758 | case IEEE80211_IOC_HIDESSID: |
| 2759 | if (ireq->i_val) |
| 2760 | vap->iv_flags |= IEEE80211_F_HIDESSID; |
| 2761 | else |
| 2762 | vap->iv_flags &= ~IEEE80211_F_HIDESSID; |
| 2763 | error = ERESTART; /* XXX ENETRESET? */ |
| 2764 | break; |
| 2765 | case IEEE80211_IOC_APBRIDGE: |
| 2766 | if (ireq->i_val == 0) |
| 2767 | vap->iv_flags |= IEEE80211_F_NOBRIDGE; |
| 2768 | else |
| 2769 | vap->iv_flags &= ~IEEE80211_F_NOBRIDGE; |
| 2770 | break; |
| 2771 | case IEEE80211_IOC_BSSID: |
| 2772 | if (ireq->i_len != sizeof(tmpbssid)) |
| 2773 | return EINVAL; |
| 2774 | error = copyin(ireq->i_data, tmpbssid, ireq->i_len); |
| 2775 | if (error) |
| 2776 | break; |
| 2777 | IEEE80211_ADDR_COPY(vap->iv_des_bssid, tmpbssid); |
| 2778 | if (IEEE80211_ADDR_EQ(vap->iv_des_bssid, zerobssid)) |
| 2779 | vap->iv_flags &= ~IEEE80211_F_DESBSSID; |
| 2780 | else |
| 2781 | vap->iv_flags |= IEEE80211_F_DESBSSID; |
| 2782 | error = ENETRESET; |
| 2783 | break; |
| 2784 | case IEEE80211_IOC_CHANLIST: |
| 2785 | error = ieee80211_ioctl_setchanlist(vap, ireq); |
| 2786 | break; |
| 2787 | #define OLD_IEEE80211_IOC_SCAN_REQ 23 |
| 2788 | #ifdef OLD_IEEE80211_IOC_SCAN_REQ |
| 2789 | case OLD_IEEE80211_IOC_SCAN_REQ: |
| 2790 | IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, |
| 2791 | "%s: active scan request\n", __func__); |
| 2792 | /* |
| 2793 | * If we are in INIT state then the driver has never |
| 2794 | * had a chance to setup hardware state to do a scan; |
| 2795 | * use the state machine to get us up the SCAN state. |
| 2796 | * Otherwise just invoke the scan machinery to start |
| 2797 | * a one-time scan. |
| 2798 | */ |
| 2799 | if (vap->iv_state == IEEE80211_S_INIT) |
| 2800 | ieee80211_new_state(vap, IEEE80211_S_SCAN, 0); |
| 2801 | else |
| 2802 | (void) ieee80211_start_scan(vap, |
| 2803 | IEEE80211_SCAN_ACTIVE | |
| 2804 | IEEE80211_SCAN_NOPICK | |
| 2805 | IEEE80211_SCAN_ONCE, |
| 2806 | IEEE80211_SCAN_FOREVER, 0, 0, |
| 2807 | /* XXX use ioctl params */ |
| 2808 | vap->iv_des_nssid, vap->iv_des_ssid); |
| 2809 | break; |
| 2810 | #endif /* OLD_IEEE80211_IOC_SCAN_REQ */ |
| 2811 | case IEEE80211_IOC_SCAN_REQ: |
| 2812 | error = ieee80211_ioctl_scanreq(vap, ireq); |
| 2813 | break; |
| 2814 | case IEEE80211_IOC_SCAN_CANCEL: |
| 2815 | IEEE80211_DPRINTF(vap, IEEE80211_MSG_SCAN, |
| 2816 | "%s: cancel scan\n", __func__); |
| 2817 | ieee80211_cancel_scan(vap); |
| 2818 | break; |
| 2819 | case IEEE80211_IOC_HTCONF: |
| 2820 | if (ireq->i_val & 1) |
| 2821 | ieee80211_syncflag_ht(vap, IEEE80211_FHT_HT); |
| 2822 | else |
| 2823 | ieee80211_syncflag_ht(vap, -IEEE80211_FHT_HT); |
| 2824 | if (ireq->i_val & 2) |
| 2825 | ieee80211_syncflag_ht(vap, IEEE80211_FHT_USEHT40); |
| 2826 | else |
| 2827 | ieee80211_syncflag_ht(vap, -IEEE80211_FHT_USEHT40); |
| 2828 | error = ENETRESET; |
| 2829 | break; |
| 2830 | case IEEE80211_IOC_ADDMAC: |
| 2831 | case IEEE80211_IOC_DELMAC: |
| 2832 | error = ieee80211_ioctl_macmac(vap, ireq); |
| 2833 | break; |
| 2834 | case IEEE80211_IOC_MACCMD: |
| 2835 | error = ieee80211_ioctl_setmaccmd(vap, ireq); |
| 2836 | break; |
| 2837 | case IEEE80211_IOC_STA_STATS: |
| 2838 | error = ieee80211_ioctl_setstastats(vap, ireq); |
| 2839 | break; |
| 2840 | case IEEE80211_IOC_STA_TXPOW: |
| 2841 | error = ieee80211_ioctl_setstatxpow(vap, ireq); |
| 2842 | break; |
| 2843 | case IEEE80211_IOC_WME_CWMIN: /* WME: CWmin */ |
| 2844 | case IEEE80211_IOC_WME_CWMAX: /* WME: CWmax */ |
| 2845 | case IEEE80211_IOC_WME_AIFS: /* WME: AIFS */ |
| 2846 | case IEEE80211_IOC_WME_TXOPLIMIT: /* WME: txops limit */ |
| 2847 | case IEEE80211_IOC_WME_ACM: /* WME: ACM (bss only) */ |
| 2848 | case IEEE80211_IOC_WME_ACKPOLICY: /* WME: ACK policy (bss only) */ |
| 2849 | error = ieee80211_ioctl_setwmeparam(vap, ireq); |
| 2850 | break; |
| 2851 | case IEEE80211_IOC_DTIM_PERIOD: |
| 2852 | if (vap->iv_opmode != IEEE80211_M_HOSTAP && |
| 2853 | vap->iv_opmode != IEEE80211_M_MBSS && |
| 2854 | vap->iv_opmode != IEEE80211_M_IBSS) |
| 2855 | return EINVAL; |
| 2856 | if (IEEE80211_DTIM_MIN <= ireq->i_val && |
| 2857 | ireq->i_val <= IEEE80211_DTIM_MAX) { |
| 2858 | vap->iv_dtim_period = ireq->i_val; |
| 2859 | error = ENETRESET; /* requires restart */ |
| 2860 | } else |
| 2861 | error = EINVAL; |
| 2862 | break; |
| 2863 | case IEEE80211_IOC_BEACON_INTERVAL: |
| 2864 | if (vap->iv_opmode != IEEE80211_M_HOSTAP && |
| 2865 | vap->iv_opmode != IEEE80211_M_MBSS && |
| 2866 | vap->iv_opmode != IEEE80211_M_IBSS) |
| 2867 | return EINVAL; |
| 2868 | if (IEEE80211_BINTVAL_MIN <= ireq->i_val && |
| 2869 | ireq->i_val <= IEEE80211_BINTVAL_MAX) { |
| 2870 | ic->ic_bintval = ireq->i_val; |
| 2871 | error = ENETRESET; /* requires restart */ |
| 2872 | } else |
| 2873 | error = EINVAL; |
| 2874 | break; |
| 2875 | case IEEE80211_IOC_PUREG: |
| 2876 | if (ireq->i_val) |
| 2877 | vap->iv_flags |= IEEE80211_F_PUREG; |
| 2878 | else |
| 2879 | vap->iv_flags &= ~IEEE80211_F_PUREG; |
| 2880 | /* NB: reset only if we're operating on an 11g channel */ |
| 2881 | if (isvap11g(vap)) |
| 2882 | error = ENETRESET; |
| 2883 | break; |
| 2884 | case IEEE80211_IOC_BGSCAN: |
| 2885 | if (ireq->i_val) { |
| 2886 | if ((vap->iv_caps & IEEE80211_C_BGSCAN) == 0) |
| 2887 | return EOPNOTSUPP; |
| 2888 | vap->iv_flags |= IEEE80211_F_BGSCAN; |
| 2889 | } else |
| 2890 | vap->iv_flags &= ~IEEE80211_F_BGSCAN; |
| 2891 | break; |
| 2892 | case IEEE80211_IOC_BGSCAN_IDLE: |
| 2893 | if (ireq->i_val >= IEEE80211_BGSCAN_IDLE_MIN) |
| 2894 | vap->iv_bgscanidle = ireq->i_val*hz/1000; |
| 2895 | else |
| 2896 | error = EINVAL; |
| 2897 | break; |
| 2898 | case IEEE80211_IOC_BGSCAN_INTERVAL: |
| 2899 | if (ireq->i_val >= IEEE80211_BGSCAN_INTVAL_MIN) |
| 2900 | vap->iv_bgscanintvl = ireq->i_val*hz; |
| 2901 | else |
| 2902 | error = EINVAL; |
| 2903 | break; |
| 2904 | case IEEE80211_IOC_SCANVALID: |
| 2905 | if (ireq->i_val >= IEEE80211_SCAN_VALID_MIN) |
| 2906 | vap->iv_scanvalid = ireq->i_val*hz; |
| 2907 | else |
| 2908 | error = EINVAL; |
| 2909 | break; |
| 2910 | case IEEE80211_IOC_FRAGTHRESHOLD: |
| 2911 | if ((vap->iv_caps & IEEE80211_C_TXFRAG) == 0 && |
| 2912 | ireq->i_val != IEEE80211_FRAG_MAX) |
| 2913 | return EOPNOTSUPP; |
| 2914 | if (!(IEEE80211_FRAG_MIN <= ireq->i_val && |
| 2915 | ireq->i_val <= IEEE80211_FRAG_MAX)) |
| 2916 | return EINVAL; |
| 2917 | vap->iv_fragthreshold = ireq->i_val; |
| 2918 | error = ERESTART; |
| 2919 | break; |
| 2920 | case IEEE80211_IOC_BURST: |
| 2921 | if (ireq->i_val) { |
| 2922 | if ((vap->iv_caps & IEEE80211_C_BURST) == 0) |
| 2923 | return EOPNOTSUPP; |
| 2924 | ieee80211_syncflag(vap, IEEE80211_F_BURST); |
| 2925 | } else |
| 2926 | ieee80211_syncflag(vap, -IEEE80211_F_BURST); |
| 2927 | error = ERESTART; |
| 2928 | break; |
| 2929 | case IEEE80211_IOC_BMISSTHRESHOLD: |
| 2930 | if (!(IEEE80211_HWBMISS_MIN <= ireq->i_val && |
| 2931 | ireq->i_val <= IEEE80211_HWBMISS_MAX)) |
| 2932 | return EINVAL; |
| 2933 | vap->iv_bmissthreshold = ireq->i_val; |
| 2934 | error = ERESTART; |
| 2935 | break; |
| 2936 | case IEEE80211_IOC_CURCHAN: |
| 2937 | error = ieee80211_ioctl_setcurchan(vap, ireq); |
| 2938 | break; |
| 2939 | case IEEE80211_IOC_SHORTGI: |
| 2940 | if (ireq->i_val) { |
| 2941 | #define IEEE80211_HTCAP_SHORTGI \ |
| 2942 | (IEEE80211_HTCAP_SHORTGI20 | IEEE80211_HTCAP_SHORTGI40) |
| 2943 | if (((ireq->i_val ^ vap->iv_htcaps) & IEEE80211_HTCAP_SHORTGI) != 0) |
| 2944 | return EINVAL; |
| 2945 | if (ireq->i_val & IEEE80211_HTCAP_SHORTGI20) |
| 2946 | vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI20; |
| 2947 | if (ireq->i_val & IEEE80211_HTCAP_SHORTGI40) |
| 2948 | vap->iv_flags_ht |= IEEE80211_FHT_SHORTGI40; |
| 2949 | #undef IEEE80211_HTCAP_SHORTGI |
| 2950 | } else |
| 2951 | vap->iv_flags_ht &= |
| 2952 | ~(IEEE80211_FHT_SHORTGI20 | IEEE80211_FHT_SHORTGI40); |
| 2953 | error = ERESTART; |
| 2954 | break; |
| 2955 | case IEEE80211_IOC_AMPDU: |
| 2956 | if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMPDU) == 0) |
| 2957 | return EINVAL; |
| 2958 | if (ireq->i_val & 1) |
| 2959 | vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_TX; |
| 2960 | else |
| 2961 | vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_TX; |
| 2962 | if (ireq->i_val & 2) |
| 2963 | vap->iv_flags_ht |= IEEE80211_FHT_AMPDU_RX; |
| 2964 | else |
| 2965 | vap->iv_flags_ht &= ~IEEE80211_FHT_AMPDU_RX; |
| 2966 | /* NB: reset only if we're operating on an 11n channel */ |
| 2967 | if (isvapht(vap)) |
| 2968 | error = ERESTART; |
| 2969 | break; |
| 2970 | case IEEE80211_IOC_AMPDU_LIMIT: |
| 2971 | if (!(IEEE80211_HTCAP_MAXRXAMPDU_8K <= ireq->i_val && |
| 2972 | ireq->i_val <= IEEE80211_HTCAP_MAXRXAMPDU_64K)) |
| 2973 | return EINVAL; |
| 2974 | if (vap->iv_opmode == IEEE80211_M_HOSTAP) |
| 2975 | vap->iv_ampdu_rxmax = ireq->i_val; |
| 2976 | else |
| 2977 | vap->iv_ampdu_limit = ireq->i_val; |
| 2978 | error = ERESTART; |
| 2979 | break; |
| 2980 | case IEEE80211_IOC_AMPDU_DENSITY: |
| 2981 | if (!(IEEE80211_HTCAP_MPDUDENSITY_NA <= ireq->i_val && |
| 2982 | ireq->i_val <= IEEE80211_HTCAP_MPDUDENSITY_16)) |
| 2983 | return EINVAL; |
| 2984 | vap->iv_ampdu_density = ireq->i_val; |
| 2985 | error = ERESTART; |
| 2986 | break; |
| 2987 | case IEEE80211_IOC_AMSDU: |
| 2988 | if (ireq->i_val && (vap->iv_htcaps & IEEE80211_HTC_AMSDU) == 0) |
| 2989 | return EINVAL; |
| 2990 | if (ireq->i_val & 1) |
| 2991 | vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_TX; |
| 2992 | else |
| 2993 | vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_TX; |
| 2994 | if (ireq->i_val & 2) |
| 2995 | vap->iv_flags_ht |= IEEE80211_FHT_AMSDU_RX; |
| 2996 | else |
| 2997 | vap->iv_flags_ht &= ~IEEE80211_FHT_AMSDU_RX; |
| 2998 | /* NB: reset only if we're operating on an 11n channel */ |
| 2999 | if (isvapht(vap)) |
| 3000 | error = ERESTART; |
| 3001 | break; |
| 3002 | case IEEE80211_IOC_AMSDU_LIMIT: |
| 3003 | /* XXX validate */ |
| 3004 | vap->iv_amsdu_limit = ireq->i_val; /* XXX truncation? */ |
| 3005 | break; |
| 3006 | case IEEE80211_IOC_PUREN: |
| 3007 | if (ireq->i_val) { |
| 3008 | if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) |
| 3009 | return EINVAL; |
| 3010 | vap->iv_flags_ht |= IEEE80211_FHT_PUREN; |
| 3011 | } else |
| 3012 | vap->iv_flags_ht &= ~IEEE80211_FHT_PUREN; |
| 3013 | /* NB: reset only if we're operating on an 11n channel */ |
| 3014 | if (isvapht(vap)) |
| 3015 | error = ERESTART; |
| 3016 | break; |
| 3017 | case IEEE80211_IOC_DOTH: |
| 3018 | if (ireq->i_val) { |
| 3019 | #if 0 |
| 3020 | /* XXX no capability */ |
| 3021 | if ((vap->iv_caps & IEEE80211_C_DOTH) == 0) |
| 3022 | return EOPNOTSUPP; |
| 3023 | #endif |
| 3024 | vap->iv_flags |= IEEE80211_F_DOTH; |
| 3025 | } else |
| 3026 | vap->iv_flags &= ~IEEE80211_F_DOTH; |
| 3027 | error = ENETRESET; |
| 3028 | break; |
| 3029 | case IEEE80211_IOC_REGDOMAIN: |
| 3030 | error = ieee80211_ioctl_setregdomain(vap, ireq); |
| 3031 | break; |
| 3032 | case IEEE80211_IOC_ROAM: |
| 3033 | error = ieee80211_ioctl_setroam(vap, ireq); |
| 3034 | break; |
| 3035 | case IEEE80211_IOC_TXPARAMS: |
| 3036 | error = ieee80211_ioctl_settxparams(vap, ireq); |
| 3037 | break; |
| 3038 | case IEEE80211_IOC_HTCOMPAT: |
| 3039 | if (ireq->i_val) { |
| 3040 | if ((vap->iv_flags_ht & IEEE80211_FHT_HT) == 0) |
| 3041 | return EOPNOTSUPP; |
| 3042 | vap->iv_flags_ht |= IEEE80211_FHT_HTCOMPAT; |
| 3043 | } else |
| 3044 | vap->iv_flags_ht &= ~IEEE80211_FHT_HTCOMPAT; |
| 3045 | /* NB: reset only if we're operating on an 11n channel */ |
| 3046 | if (isvapht(vap)) |
| 3047 | error = ERESTART; |
| 3048 | break; |
| 3049 | case IEEE80211_IOC_DWDS: |
| 3050 | if (ireq->i_val) { |
| 3051 | /* NB: DWDS only makes sense for WDS-capable devices */ |
| 3052 | if ((ic->ic_caps & IEEE80211_C_WDS) == 0) |
| 3053 | return EOPNOTSUPP; |
| 3054 | /* NB: DWDS is used only with ap+sta vaps */ |
| 3055 | if (vap->iv_opmode != IEEE80211_M_HOSTAP && |
| 3056 | vap->iv_opmode != IEEE80211_M_STA) |
| 3057 | return EINVAL; |
| 3058 | vap->iv_flags |= IEEE80211_F_DWDS; |
| 3059 | if (vap->iv_opmode == IEEE80211_M_STA) |
| 3060 | vap->iv_flags_ext |= IEEE80211_FEXT_4ADDR; |
| 3061 | } else { |
| 3062 | vap->iv_flags &= ~IEEE80211_F_DWDS; |
| 3063 | if (vap->iv_opmode == IEEE80211_M_STA) |
| 3064 | vap->iv_flags_ext &= ~IEEE80211_FEXT_4ADDR; |
| 3065 | } |
| 3066 | break; |
| 3067 | case IEEE80211_IOC_INACTIVITY: |
| 3068 | if (ireq->i_val) |
| 3069 | vap->iv_flags_ext |= IEEE80211_FEXT_INACT; |
| 3070 | else |
| 3071 | vap->iv_flags_ext &= ~IEEE80211_FEXT_INACT; |
| 3072 | break; |
| 3073 | case IEEE80211_IOC_APPIE: |
| 3074 | error = ieee80211_ioctl_setappie(vap, ireq); |
| 3075 | break; |
| 3076 | case IEEE80211_IOC_WPS: |
| 3077 | if (ireq->i_val) { |
| 3078 | if ((vap->iv_caps & IEEE80211_C_WPA) == 0) |
| 3079 | return EOPNOTSUPP; |
| 3080 | vap->iv_flags_ext |= IEEE80211_FEXT_WPS; |
| 3081 | } else |
| 3082 | vap->iv_flags_ext &= ~IEEE80211_FEXT_WPS; |
| 3083 | break; |
| 3084 | case IEEE80211_IOC_TSN: |
| 3085 | if (ireq->i_val) { |
| 3086 | if ((vap->iv_caps & IEEE80211_C_WPA) == 0) |
| 3087 | return EOPNOTSUPP; |
| 3088 | vap->iv_flags_ext |= IEEE80211_FEXT_TSN; |
| 3089 | } else |
| 3090 | vap->iv_flags_ext &= ~IEEE80211_FEXT_TSN; |
| 3091 | break; |
| 3092 | case IEEE80211_IOC_CHANSWITCH: |
| 3093 | error = ieee80211_ioctl_chanswitch(vap, ireq); |
| 3094 | break; |
| 3095 | case IEEE80211_IOC_DFS: |
| 3096 | if (ireq->i_val) { |
| 3097 | if ((vap->iv_caps & IEEE80211_C_DFS) == 0) |
| 3098 | return EOPNOTSUPP; |
| 3099 | /* NB: DFS requires 11h support */ |
| 3100 | if ((vap->iv_flags & IEEE80211_F_DOTH) == 0) |
| 3101 | return EINVAL; |
| 3102 | vap->iv_flags_ext |= IEEE80211_FEXT_DFS; |
| 3103 | } else |
| 3104 | vap->iv_flags_ext &= ~IEEE80211_FEXT_DFS; |
| 3105 | break; |
| 3106 | case IEEE80211_IOC_DOTD: |
| 3107 | if (ireq->i_val) |
| 3108 | vap->iv_flags_ext |= IEEE80211_FEXT_DOTD; |
| 3109 | else |
| 3110 | vap->iv_flags_ext &= ~IEEE80211_FEXT_DOTD; |
| 3111 | if (vap->iv_opmode == IEEE80211_M_STA) |
| 3112 | error = ENETRESET; |
| 3113 | break; |
| 3114 | case IEEE80211_IOC_HTPROTMODE: |
| 3115 | if (ireq->i_val > IEEE80211_PROT_RTSCTS) |
| 3116 | return EINVAL; |
| 3117 | ic->ic_htprotmode = ireq->i_val ? |
| 3118 | IEEE80211_PROT_RTSCTS : IEEE80211_PROT_NONE; |
| 3119 | /* NB: if not operating in 11n this can wait */ |
| 3120 | if (isvapht(vap)) |
| 3121 | error = ERESTART; |
| 3122 | break; |
| 3123 | case IEEE80211_IOC_STA_VLAN: |
| 3124 | error = ieee80211_ioctl_setstavlan(vap, ireq); |
| 3125 | break; |
| 3126 | case IEEE80211_IOC_SMPS: |
| 3127 | if ((ireq->i_val &~ IEEE80211_HTCAP_SMPS) != 0 || |
| 3128 | ireq->i_val == 0x0008) /* value of 2 is reserved */ |
| 3129 | return EINVAL; |
| 3130 | if (ireq->i_val != IEEE80211_HTCAP_SMPS_OFF && |
| 3131 | (vap->iv_htcaps & IEEE80211_HTC_SMPS) == 0) |
| 3132 | return EOPNOTSUPP; |
| 3133 | vap->iv_htcaps = (vap->iv_htcaps &~ IEEE80211_HTCAP_SMPS) | |
| 3134 | ireq->i_val; |
| 3135 | /* NB: if not operating in 11n this can wait */ |
| 3136 | if (isvapht(vap)) |
| 3137 | error = ERESTART; |
| 3138 | break; |
| 3139 | case IEEE80211_IOC_RIFS: |
| 3140 | if (ireq->i_val != 0) { |
| 3141 | if ((vap->iv_htcaps & IEEE80211_HTC_RIFS) == 0) |
| 3142 | return EOPNOTSUPP; |
| 3143 | vap->iv_flags_ht |= IEEE80211_FHT_RIFS; |
| 3144 | } else |
| 3145 | vap->iv_flags_ht &= ~IEEE80211_FHT_RIFS; |
| 3146 | /* NB: if not operating in 11n this can wait */ |
| 3147 | if (isvapht(vap)) |
| 3148 | error = ERESTART; |
| 3149 | break; |
| 3150 | default: |
| 3151 | error = ieee80211_ioctl_setdefault(vap, ireq); |
| 3152 | break; |
| 3153 | } |
| 3154 | /* |
| 3155 | * The convention is that ENETRESET means an operation |
| 3156 | * requires a complete re-initialization of the device (e.g. |
| 3157 | * changing something that affects the association state). |
| 3158 | * ERESTART means the request may be handled with only a |
| 3159 | * reload of the hardware state. We hand ERESTART requests |
| 3160 | * to the iv_reset callback so the driver can decide. If |
| 3161 | * a device does not fillin iv_reset then it defaults to one |
| 3162 | * that returns ENETRESET. Otherwise a driver may return |
| 3163 | * ENETRESET (in which case a full reset will be done) or |
| 3164 | * 0 to mean there's no need to do anything (e.g. when the |
| 3165 | * change has no effect on the driver/device). |
| 3166 | */ |
| 3167 | if (error == ERESTART) |
| 3168 | error = IFNET_IS_UP_RUNNING(vap->iv_ifp) ? |
| 3169 | vap->iv_reset(vap, ireq->i_type) : 0; |
| 3170 | if (error == ENETRESET) { |
| 3171 | /* XXX need to re-think AUTO handling */ |
| 3172 | if (IS_UP_AUTO(vap)) |
| 3173 | ieee80211_init(vap); |
| 3174 | error = 0; |
| 3175 | } |
| 3176 | return error; |
| 3177 | } |
| 3178 | |
| 3179 | /* |
| 3180 | * Rebuild the parent's multicast address list after an add/del |
| 3181 | * of a multicast address for a vap. We have no way to tell |
| 3182 | * what happened above to optimize the work so we purge the entire |
| 3183 | * list and rebuild from scratch. This is way expensive. |
| 3184 | * Note also the half-baked workaround for if_addmulti calling |
| 3185 | * back to the parent device; there's no way to insert mcast |
| 3186 | * entries quietly and/or cheaply. |
| 3187 | */ |
| 3188 | static void |
| 3189 | ieee80211_ioctl_updatemulti(struct ieee80211com *ic) |
| 3190 | { |
| 3191 | struct ifnet *parent = ic->ic_ifp; |
| 3192 | struct ieee80211vap *vap; |
| 3193 | void *ioctl; |
| 3194 | |
| 3195 | if_delallmulti(parent); |
| 3196 | ioctl = parent->if_ioctl; /* XXX WAR if_allmulti */ |
| 3197 | parent->if_ioctl = NULL; |
| 3198 | TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) { |
| 3199 | struct ifnet *ifp = vap->iv_ifp; |
| 3200 | struct ifmultiaddr *ifma; |
| 3201 | |
| 3202 | TAILQ_FOREACH(ifma, &ifp->if_multiaddrs, ifma_link) { |
| 3203 | if (ifma->ifma_addr->sa_family != AF_LINK) |
| 3204 | continue; |
| 3205 | (void) if_addmulti(parent, ifma->ifma_addr, NULL); |
| 3206 | } |
| 3207 | } |
| 3208 | parent->if_ioctl = ioctl; |
| 3209 | ieee80211_runtask(ic, &ic->ic_mcast_task); |
| 3210 | } |
| 3211 | |
| 3212 | int |
| 3213 | ieee80211_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data, struct ucred *ucred) |
| 3214 | { |
| 3215 | struct ieee80211vap *vap = ifp->if_softc; |
| 3216 | struct ieee80211com *ic = vap->iv_ic; |
| 3217 | int error = 0; |
| 3218 | struct ifreq *ifr; |
| 3219 | struct ifaddr *ifa; /* XXX */ |
| 3220 | |
| 3221 | switch (cmd) { |
| 3222 | case SIOCSIFFLAGS: |
| 3223 | ieee80211_syncifflag_locked(ic, IFF_PROMISC); |
| 3224 | ieee80211_syncifflag_locked(ic, IFF_ALLMULTI); |
| 3225 | if (ifp->if_flags & IFF_UP) { |
| 3226 | /* |
| 3227 | * Bring ourself up unless we're already operational. |
| 3228 | * If we're the first vap and the parent is not up |
| 3229 | * then it will automatically be brought up as a |
| 3230 | * side-effect of bringing ourself up. |
| 3231 | */ |
| 3232 | if (vap->iv_state == IEEE80211_S_INIT) |
| 3233 | ieee80211_start_locked(vap); |
| 3234 | } else if (ifp->if_flags & IFF_RUNNING) { |
| 3235 | /* |
| 3236 | * Stop ourself. If we are the last vap to be |
| 3237 | * marked down the parent will also be taken down. |
| 3238 | */ |
| 3239 | ieee80211_stop_locked(vap); |
| 3240 | } |
| 3241 | /* Wait for parent ioctl handler if it was queued */ |
| 3242 | ieee80211_waitfor_parent(ic); |
| 3243 | break; |
| 3244 | case SIOCADDMULTI: |
| 3245 | case SIOCDELMULTI: |
| 3246 | ieee80211_ioctl_updatemulti(ic); |
| 3247 | break; |
| 3248 | case SIOCSIFMEDIA: |
| 3249 | case SIOCGIFMEDIA: |
| 3250 | ifr = (struct ifreq *)data; |
| 3251 | error = ifmedia_ioctl(ifp, ifr, &vap->iv_media, cmd); |
| 3252 | break; |
| 3253 | case SIOCG80211: |
| 3254 | error = ieee80211_ioctl_get80211(vap, cmd, |
| 3255 | (struct ieee80211req *) data); |
| 3256 | break; |
| 3257 | case SIOCS80211: |
| 3258 | error = priv_check(curthread, PRIV_NET80211_MANAGE); |
| 3259 | if (error == 0) |
| 3260 | error = ieee80211_ioctl_set80211(vap, cmd, |
| 3261 | (struct ieee80211req *) data); |
| 3262 | break; |
| 3263 | case SIOCG80211STATS: |
| 3264 | ifr = (struct ifreq *)data; |
| 3265 | copyout(&vap->iv_stats, ifr->ifr_data, sizeof (vap->iv_stats)); |
| 3266 | break; |
| 3267 | case SIOCSIFMTU: |
| 3268 | ifr = (struct ifreq *)data; |
| 3269 | if (!(IEEE80211_MTU_MIN <= ifr->ifr_mtu && |
| 3270 | ifr->ifr_mtu <= IEEE80211_MTU_MAX)) |
| 3271 | error = EINVAL; |
| 3272 | else |
| 3273 | ifp->if_mtu = ifr->ifr_mtu; |
| 3274 | break; |
| 3275 | case SIOCSIFADDR: |
| 3276 | /* |
| 3277 | * XXX Handle this directly so we can supress if_init calls. |
| 3278 | * XXX This should be done in ether_ioctl but for the moment |
| 3279 | * XXX there are too many other parts of the system that |
| 3280 | * XXX set IFF_UP and so supress if_init being called when |
| 3281 | * XXX it should be. |
| 3282 | */ |
| 3283 | ifa = (struct ifaddr *) data; |
| 3284 | switch (ifa->ifa_addr->sa_family) { |
| 3285 | #ifdef INET |
| 3286 | case AF_INET: |
| 3287 | if ((ifp->if_flags & IFF_UP) == 0) { |
| 3288 | ifp->if_flags |= IFF_UP; |
| 3289 | ifp->if_init(ifp->if_softc); |
| 3290 | } |
| 3291 | arp_ifinit(ifp, ifa); |
| 3292 | break; |
| 3293 | #endif |
| 3294 | #ifdef IPX |
| 3295 | /* |
| 3296 | * XXX - This code is probably wrong, |
| 3297 | * but has been copied many times. |
| 3298 | */ |
| 3299 | case AF_IPX: { |
| 3300 | struct ipx_addr *ina = &(IA_SIPX(ifa)->sipx_addr); |
| 3301 | |
| 3302 | if (ipx_nullhost(*ina)) |
| 3303 | ina->x_host = *(union ipx_host *) |
| 3304 | IF_LLADDR(ifp); |
| 3305 | else |
| 3306 | bcopy((caddr_t) ina->x_host.c_host, |
| 3307 | (caddr_t) IF_LLADDR(ifp), |
| 3308 | ETHER_ADDR_LEN); |
| 3309 | /* fall thru... */ |
| 3310 | } |
| 3311 | #endif |
| 3312 | default: |
| 3313 | if ((ifp->if_flags & IFF_UP) == 0) { |
| 3314 | ifp->if_flags |= IFF_UP; |
| 3315 | ifp->if_init(ifp->if_softc); |
| 3316 | } |
| 3317 | break; |
| 3318 | } |
| 3319 | break; |
| 3320 | /* Pass NDIS ioctls up to the driver */ |
| 3321 | case SIOCGDRVSPEC: |
| 3322 | case SIOCSDRVSPEC: |
| 3323 | case SIOCGPRIVATE_0: { |
| 3324 | struct ifnet *parent = vap->iv_ic->ic_ifp; |
| 3325 | error = parent->if_ioctl(parent, cmd, data, ucred); |
| 3326 | break; |
| 3327 | } |
| 3328 | default: |
| 3329 | error = ether_ioctl(ifp, cmd, data); |
| 3330 | break; |
| 3331 | } |
| 3332 | return error; |
| 3333 | } |