1 /*- 2 * Copyright (c) 2020-2022 The FreeBSD Foundation 3 * Copyright (c) 2020-2022 Bjoern A. Zeeb 4 * 5 * This software was developed by Björn Zeeb under sponsorship from 6 * the FreeBSD Foundation. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 /* 31 * Public functions are called linuxkpi_*(). 32 * Internal (static) functions are called lkpi_*(). 33 * 34 * The internal structures holding metadata over public structures are also 35 * called lkpi_xxx (usually with a member at the end called xxx). 36 * Note: we do not replicate the structure names but the general variable names 37 * for these (e.g., struct hw -> struct lkpi_hw, struct sta -> struct lkpi_sta). 38 * There are macros to access one from the other. 39 * We call the internal versions lxxx (e.g., hw -> lhw, sta -> lsta). 40 */ 41 42 #include <sys/cdefs.h> 43 __FBSDID("$FreeBSD$"); 44 45 #include <sys/param.h> 46 #include <sys/types.h> 47 #include <sys/kernel.h> 48 #include <sys/errno.h> 49 #include <sys/malloc.h> 50 #include <sys/module.h> 51 #include <sys/mutex.h> 52 #include <sys/socket.h> 53 #include <sys/sysctl.h> 54 #include <sys/queue.h> 55 #include <sys/taskqueue.h> 56 57 #include <net/if.h> 58 #include <net/if_var.h> 59 #include <net/if_media.h> 60 #include <net/ethernet.h> 61 62 #include <net80211/ieee80211_var.h> 63 #include <net80211/ieee80211_proto.h> 64 #include <net80211/ieee80211_ratectl.h> 65 #include <net80211/ieee80211_radiotap.h> 66 67 #define LINUXKPI_NET80211 68 #include <net/mac80211.h> 69 70 #include <linux/workqueue.h> 71 #include "linux_80211.h" 72 73 static MALLOC_DEFINE(M_LKPI80211, "lkpi80211", "Linux KPI 80211 compat"); 74 75 /* -------------------------------------------------------------------------- */ 76 77 int debug_80211; 78 SYSCTL_INT(_compat_linuxkpi, OID_AUTO, debug_80211, CTLFLAG_RWTUN, 79 &debug_80211, 0, "80211 debug Level"); 80 81 #define LINUXKPI_DEBUG_80211 82 #ifdef LINUXKPI_DEBUG_80211 83 #ifndef D80211_TODO 84 #define D80211_TODO 0x1 85 #endif 86 #ifndef D80211_IMPROVE 87 #define D80211_IMPROVE 0x2 88 #endif 89 #define D80211_TRACE 0x10 90 #define D80211_TRACEOK 0x20 91 #define D80211_TRACE_TX 0x100 92 #define D80211_TRACE_TX_DUMP 0x200 93 #define D80211_TRACE_RX 0x1000 94 #define D80211_TRACE_RX_DUMP 0x2000 95 #define D80211_TRACE_RX_BEACONS 0x4000 96 #define D80211_TRACEX (D80211_TRACE_TX|D80211_TRACE_RX) 97 #define D80211_TRACEX_DUMP (D80211_TRACE_TX_DUMP|D80211_TRACE_RX_DUMP) 98 #define D80211_TRACE_STA 0x10000 99 #define UNIMPLEMENTED if (debug_80211 & D80211_TODO) \ 100 printf("XXX-TODO %s:%d: UNIMPLEMENTED\n", __func__, __LINE__) 101 #define TRACEOK() if (debug_80211 & D80211_TRACEOK) \ 102 printf("XXX-TODO %s:%d: TRACEPOINT\n", __func__, __LINE__) 103 #else 104 #define UNIMPLEMENTED do { } while (0) 105 #define TRACEOK() do { } while (0) 106 #endif 107 108 /* #define PREP_TX_INFO_DURATION (IEEE80211_TRANS_WAIT * 1000) */ 109 #ifndef PREP_TX_INFO_DURATION 110 #define PREP_TX_INFO_DURATION 0 /* Let the driver do its thing. */ 111 #endif 112 113 /* This is DSAP | SSAP | CTRL | ProtoID/OrgCode{3}. */ 114 const uint8_t rfc1042_header[6] = { 0xaa, 0xaa, 0x03, 0x00, 0x00, 0x00 }; 115 116 const uint8_t tid_to_mac80211_ac[] = { 117 IEEE80211_AC_BE, 118 IEEE80211_AC_BK, 119 IEEE80211_AC_BK, 120 IEEE80211_AC_BE, 121 IEEE80211_AC_VI, 122 IEEE80211_AC_VI, 123 IEEE80211_AC_VO, 124 IEEE80211_AC_VO, 125 #if 0 126 IEEE80211_AC_VO, /* We treat MGMT as TID 8, which is set as AC_VO */ 127 #endif 128 }; 129 130 const struct cfg80211_ops linuxkpi_mac80211cfgops = { 131 /* 132 * XXX TODO need a "glue layer" to link cfg80211 ops to 133 * mac80211 and to the driver or net80211. 134 * Can we pass some on 1:1? Need to compare the (*f)(). 135 */ 136 }; 137 138 static struct lkpi_sta *lkpi_find_lsta_by_ni(struct lkpi_vif *, 139 struct ieee80211_node *); 140 static void lkpi_80211_txq_task(void *, int); 141 static void lkpi_ieee80211_free_skb_mbuf(void *); 142 143 static void 144 lkpi_lsta_dump(struct lkpi_sta *lsta, struct ieee80211_node *ni, 145 const char *_f, int _l) 146 { 147 148 if ((debug_80211 & D80211_TRACE_STA) == 0) 149 return; 150 if (lsta == NULL) 151 return; 152 153 printf("%s:%d lsta %p ni %p sta %p\n", 154 _f, _l, lsta, ni, &lsta->sta); 155 if (ni != NULL) 156 ieee80211_dump_node(NULL, ni); 157 printf("\ttxq_task txq len %d mtx\n", mbufq_len(&lsta->txq)); 158 printf("\tkc %p state %d added_to_drv %d in_mgd %d\n", 159 lsta->kc, lsta->state, lsta->added_to_drv, lsta->in_mgd); 160 } 161 162 static void 163 lkpi_lsta_remove(struct lkpi_sta *lsta, struct lkpi_vif *lvif) 164 { 165 struct ieee80211_node *ni; 166 167 ni = lsta->ni; 168 169 LKPI_80211_LVIF_LOCK(lvif); 170 TAILQ_REMOVE(&lvif->lsta_head, lsta, lsta_entry); 171 LKPI_80211_LVIF_UNLOCK(lvif); 172 173 lsta->ni = NULL; 174 ni->ni_drv_data = NULL; 175 ieee80211_free_node(ni); 176 177 IMPROVE("free lsta here? We won't have a pointer to it from the node anymore."); 178 } 179 180 static struct lkpi_sta * 181 lkpi_lsta_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN], 182 struct ieee80211_hw *hw, struct ieee80211_node *ni) 183 { 184 struct lkpi_sta *lsta; 185 struct lkpi_vif *lvif; 186 struct ieee80211_vif *vif; 187 struct ieee80211_sta *sta; 188 int tid; 189 190 lsta = malloc(sizeof(*lsta) + hw->sta_data_size, M_LKPI80211, 191 M_NOWAIT | M_ZERO); 192 if (lsta == NULL) 193 return (NULL); 194 195 lsta->added_to_drv = false; 196 lsta->state = IEEE80211_STA_NOTEXIST; 197 #if 0 198 /* 199 * This needs to be done in node_init() as ieee80211_alloc_node() 200 * will initialise the refcount after us. 201 */ 202 lsta->ni = ieee80211_ref_node(ni); 203 #endif 204 /* The back-pointer "drv_data" to net80211_node let's us get lsta. */ 205 ni->ni_drv_data = lsta; 206 207 lvif = VAP_TO_LVIF(vap); 208 vif = LVIF_TO_VIF(lvif); 209 sta = LSTA_TO_STA(lsta); 210 211 IEEE80211_ADDR_COPY(sta->addr, mac); 212 for (tid = 0; tid < nitems(sta->txq); tid++) { 213 struct lkpi_txq *ltxq; 214 215 /* 216 * We are neither limiting ourselves to hw.queues here, 217 * nor do we check if driver wants IEEE80211_NUM_TIDS queue. 218 */ 219 220 ltxq = malloc(sizeof(*ltxq) + hw->txq_data_size, 221 M_LKPI80211, M_NOWAIT | M_ZERO); 222 if (ltxq == NULL) 223 goto cleanup; 224 ltxq->seen_dequeue = false; 225 skb_queue_head_init(<xq->skbq); 226 /* iwlwifi//mvm/sta.c::tid_to_mac80211_ac[] */ 227 if (tid == IEEE80211_NUM_TIDS) { 228 IMPROVE(); 229 ltxq->txq.ac = IEEE80211_AC_VO; 230 } else { 231 ltxq->txq.ac = tid_to_mac80211_ac[tid & 7]; 232 } 233 ltxq->txq.tid = tid; 234 ltxq->txq.sta = sta; 235 ltxq->txq.vif = vif; 236 sta->txq[tid] = <xq->txq; 237 } 238 239 /* Deferred TX path. */ 240 mtx_init(&lsta->txq_mtx, "lsta_txq", NULL, MTX_DEF); 241 TASK_INIT(&lsta->txq_task, 0, lkpi_80211_txq_task, lsta); 242 mbufq_init(&lsta->txq, IFQ_MAXLEN); 243 244 return (lsta); 245 246 cleanup: 247 for (; tid >= 0; tid--) 248 free(sta->txq[tid], M_LKPI80211); 249 free(lsta, M_LKPI80211); 250 return (NULL); 251 } 252 253 static enum nl80211_band 254 lkpi_net80211_chan_to_nl80211_band(struct ieee80211_channel *c) 255 { 256 257 if (IEEE80211_IS_CHAN_2GHZ(c)) 258 return (NL80211_BAND_2GHZ); 259 else if (IEEE80211_IS_CHAN_5GHZ(c)) 260 return (NL80211_BAND_5GHZ); 261 #ifdef __notyet__ 262 else if () 263 return (NL80211_BAND_6GHZ); 264 else if () 265 return (NL80211_BAND_60GHZ); 266 else if (IEEE80211_IS_CHAN_GSM(c)) 267 return (NL80211_BAND_XXX); 268 #endif 269 else 270 panic("%s: unsupported band. c %p flags %#x\n", 271 __func__, c, c->ic_flags); 272 } 273 274 static uint32_t 275 lkpi_nl80211_band_to_net80211_band(enum nl80211_band band) 276 { 277 278 /* XXX-BZ this is just silly; net80211 is too convoluted. */ 279 /* IEEE80211_CHAN_A / _G / .. doesn't really work either. */ 280 switch (band) { 281 case NL80211_BAND_2GHZ: 282 return (IEEE80211_CHAN_2GHZ); 283 break; 284 case NL80211_BAND_5GHZ: 285 return (IEEE80211_CHAN_5GHZ); 286 break; 287 case NL80211_BAND_60GHZ: 288 break; 289 case NL80211_BAND_6GHZ: 290 break; 291 default: 292 panic("%s: unsupported band %u\n", __func__, band); 293 break; 294 } 295 296 IMPROVE(); 297 return (0x00); 298 } 299 300 static enum ieee80211_ac_numbers 301 lkpi_ac_net_to_l80211(int ac) 302 { 303 304 switch (ac) { 305 case WME_AC_VO: 306 return (IEEE80211_AC_VO); 307 case WME_AC_VI: 308 return (IEEE80211_AC_VI); 309 case WME_AC_BE: 310 return (IEEE80211_AC_BE); 311 case WME_AC_BK: 312 return (IEEE80211_AC_BK); 313 default: 314 printf("%s: invalid WME_AC_* input: ac = %d\n", __func__, ac); 315 return (IEEE80211_AC_BE); 316 } 317 } 318 319 static enum nl80211_iftype 320 lkpi_opmode_to_vif_type(enum ieee80211_opmode opmode) 321 { 322 323 switch (opmode) { 324 case IEEE80211_M_IBSS: 325 return (NL80211_IFTYPE_ADHOC); 326 break; 327 case IEEE80211_M_STA: 328 return (NL80211_IFTYPE_STATION); 329 break; 330 case IEEE80211_M_WDS: 331 return (NL80211_IFTYPE_WDS); 332 break; 333 case IEEE80211_M_HOSTAP: 334 return (NL80211_IFTYPE_AP); 335 break; 336 case IEEE80211_M_MONITOR: 337 return (NL80211_IFTYPE_MONITOR); 338 break; 339 case IEEE80211_M_MBSS: 340 return (NL80211_IFTYPE_MESH_POINT); 341 break; 342 case IEEE80211_M_AHDEMO: 343 /* FALLTHROUGH */ 344 default: 345 printf("ERROR: %s: unsupported opmode %d\n", __func__, opmode); 346 /* FALLTHROUGH */ 347 } 348 return (NL80211_IFTYPE_UNSPECIFIED); 349 } 350 351 #ifdef __notyet__ 352 static uint32_t 353 lkpi_l80211_to_net80211_cyphers(uint32_t wlan_cipher_suite) 354 { 355 356 switch (wlan_cipher_suite) { 357 case WLAN_CIPHER_SUITE_WEP40: 358 return (IEEE80211_CRYPTO_WEP); 359 case WLAN_CIPHER_SUITE_TKIP: 360 return (IEEE80211_CRYPTO_TKIP); 361 case WLAN_CIPHER_SUITE_CCMP: 362 return (IEEE80211_CIPHER_AES_CCM); 363 case WLAN_CIPHER_SUITE_WEP104: 364 return (IEEE80211_CRYPTO_WEP); 365 case WLAN_CIPHER_SUITE_AES_CMAC: 366 case WLAN_CIPHER_SUITE_GCMP: 367 case WLAN_CIPHER_SUITE_GCMP_256: 368 case WLAN_CIPHER_SUITE_CCMP_256: 369 case WLAN_CIPHER_SUITE_BIP_GMAC_128: 370 case WLAN_CIPHER_SUITE_BIP_GMAC_256: 371 case WLAN_CIPHER_SUITE_BIP_CMAC_256: 372 printf("%s: unsupported WLAN Cipher Suite %#08x | %u\n", __func__, 373 wlan_cipher_suite >> 8, wlan_cipher_suite & 0xff); 374 break; 375 default: 376 printf("%s: unknown WLAN Cipher Suite %#08x | %u\n", __func__, 377 wlan_cipher_suite >> 8, wlan_cipher_suite & 0xff); 378 } 379 380 return (0); 381 } 382 #endif 383 384 #ifdef TRY_HW_CRYPTO 385 static uint32_t 386 lkpi_net80211_to_l80211_cipher_suite(uint32_t cipher, uint8_t keylen) 387 { 388 389 switch (cipher) { 390 case IEEE80211_CIPHER_TKIP: 391 return (WLAN_CIPHER_SUITE_TKIP); 392 case IEEE80211_CIPHER_AES_CCM: 393 return (WLAN_CIPHER_SUITE_CCMP); 394 case IEEE80211_CIPHER_WEP: 395 if (keylen < 8) 396 return (WLAN_CIPHER_SUITE_WEP40); 397 else 398 return (WLAN_CIPHER_SUITE_WEP104); 399 break; 400 case IEEE80211_CIPHER_AES_OCB: 401 case IEEE80211_CIPHER_TKIPMIC: 402 case IEEE80211_CIPHER_CKIP: 403 case IEEE80211_CIPHER_NONE: 404 printf("%s: unsupported cipher %#010x\n", __func__, cipher); 405 break; 406 default: 407 printf("%s: unknown cipher %#010x\n", __func__, cipher); 408 }; 409 return (0); 410 } 411 #endif 412 413 #ifdef __notyet__ 414 static enum ieee80211_sta_state 415 lkpi_net80211_state_to_sta_state(enum ieee80211_state state) 416 { 417 418 /* 419 * XXX-BZ The net80211 states are "try to ..", the lkpi8011 states are 420 * "done". Also ASSOC/AUTHORIZED are both "RUN" then? 421 */ 422 switch (state) { 423 case IEEE80211_S_INIT: 424 return (IEEE80211_STA_NOTEXIST); 425 case IEEE80211_S_SCAN: 426 return (IEEE80211_STA_NONE); 427 case IEEE80211_S_AUTH: 428 return (IEEE80211_STA_AUTH); 429 case IEEE80211_S_ASSOC: 430 return (IEEE80211_STA_ASSOC); 431 case IEEE80211_S_RUN: 432 return (IEEE80211_STA_AUTHORIZED); 433 case IEEE80211_S_CAC: 434 case IEEE80211_S_CSA: 435 case IEEE80211_S_SLEEP: 436 default: 437 UNIMPLEMENTED; 438 }; 439 440 return (IEEE80211_STA_NOTEXIST); 441 } 442 #endif 443 444 static struct linuxkpi_ieee80211_channel * 445 lkpi_find_lkpi80211_chan(struct lkpi_hw *lhw, 446 struct ieee80211_channel *c) 447 { 448 struct ieee80211_hw *hw; 449 struct linuxkpi_ieee80211_channel *channels; 450 enum nl80211_band band; 451 int i, nchans; 452 453 hw = LHW_TO_HW(lhw); 454 band = lkpi_net80211_chan_to_nl80211_band(c); 455 if (hw->wiphy->bands[band] == NULL) 456 return (NULL); 457 458 nchans = hw->wiphy->bands[band]->n_channels; 459 if (nchans <= 0) 460 return (NULL); 461 462 channels = hw->wiphy->bands[band]->channels; 463 for (i = 0; i < nchans; i++) { 464 if (channels[i].hw_value == c->ic_ieee) 465 return (&channels[i]); 466 } 467 468 return (NULL); 469 } 470 471 static struct linuxkpi_ieee80211_channel * 472 lkpi_get_lkpi80211_chan(struct ieee80211com *ic, struct ieee80211_node *ni) 473 { 474 struct linuxkpi_ieee80211_channel *chan; 475 struct ieee80211_channel *c; 476 struct lkpi_hw *lhw; 477 478 chan = NULL; 479 if (ni != NULL && ni->ni_chan != IEEE80211_CHAN_ANYC) 480 c = ni->ni_chan; 481 else if (ic->ic_bsschan != IEEE80211_CHAN_ANYC) 482 c = ic->ic_bsschan; 483 else if (ic->ic_curchan != IEEE80211_CHAN_ANYC) 484 c = ic->ic_curchan; 485 else 486 c = NULL; 487 488 if (c != NULL && c != IEEE80211_CHAN_ANYC) { 489 lhw = ic->ic_softc; 490 chan = lkpi_find_lkpi80211_chan(lhw, c); 491 } 492 493 return (chan); 494 } 495 496 struct linuxkpi_ieee80211_channel * 497 linuxkpi_ieee80211_get_channel(struct wiphy *wiphy, uint32_t freq) 498 { 499 enum nl80211_band band; 500 501 for (band = 0; band < NUM_NL80211_BANDS; band++) { 502 struct ieee80211_supported_band *supband; 503 struct linuxkpi_ieee80211_channel *channels; 504 int i; 505 506 supband = wiphy->bands[band]; 507 if (supband == NULL || supband->n_channels == 0) 508 continue; 509 510 channels = supband->channels; 511 for (i = 0; i < supband->n_channels; i++) { 512 if (channels[i].center_freq == freq) 513 return (&channels[i]); 514 } 515 } 516 517 return (NULL); 518 } 519 520 #ifdef TRY_HW_CRYPTO 521 static int 522 _lkpi_iv_key_set_delete(struct ieee80211vap *vap, const struct ieee80211_key *k, 523 enum set_key_cmd cmd) 524 { 525 struct ieee80211com *ic; 526 struct lkpi_hw *lhw; 527 struct ieee80211_hw *hw; 528 struct lkpi_vif *lvif; 529 struct ieee80211_vif *vif; 530 struct ieee80211_sta *sta; 531 struct ieee80211_node *ni; 532 struct ieee80211_key_conf *kc; 533 int error; 534 535 /* XXX TODO Check (k->wk_flags & IEEE80211_KEY_SWENCRYPT) and don't upload to driver/hw? */ 536 537 ic = vap->iv_ic; 538 lhw = ic->ic_softc; 539 hw = LHW_TO_HW(lhw); 540 lvif = VAP_TO_LVIF(vap); 541 vif = LVIF_TO_VIF(lvif); 542 543 memset(&kc, 0, sizeof(kc)); 544 kc = malloc(sizeof(*kc) + k->wk_keylen, M_LKPI80211, M_WAITOK | M_ZERO); 545 kc->cipher = lkpi_net80211_to_l80211_cipher_suite( 546 k->wk_cipher->ic_cipher, k->wk_keylen); 547 kc->keyidx = k->wk_keyix; 548 #if 0 549 kc->hw_key_idx = /* set by hw and needs to be passed for TX */; 550 #endif 551 atomic64_set(&kc->tx_pn, k->wk_keytsc); 552 kc->keylen = k->wk_keylen; 553 memcpy(kc->key, k->wk_key, k->wk_keylen); 554 555 switch (kc->cipher) { 556 case WLAN_CIPHER_SUITE_CCMP: 557 kc->iv_len = k->wk_cipher->ic_header; 558 kc->icv_len = k->wk_cipher->ic_trailer; 559 break; 560 case WLAN_CIPHER_SUITE_TKIP: 561 default: 562 IMPROVE(); 563 return (0); 564 }; 565 566 ni = vap->iv_bss; 567 sta = ieee80211_find_sta(vif, ni->ni_bssid); 568 if (sta != NULL) { 569 struct lkpi_sta *lsta; 570 571 lsta = STA_TO_LSTA(sta); 572 lsta->kc = kc; 573 } 574 575 error = lkpi_80211_mo_set_key(hw, cmd, vif, sta, kc); 576 if (error != 0) { 577 /* XXX-BZ leaking kc currently */ 578 ic_printf(ic, "%s: set_key failed: %d\n", __func__, error); 579 return (0); 580 } else { 581 ic_printf(ic, "%s: set_key succeeded: keyidx %u hw_key_idx %u " 582 "flags %#10x\n", __func__, 583 kc->keyidx, kc->hw_key_idx, kc->flags); 584 return (1); 585 } 586 } 587 588 static int 589 lkpi_iv_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k) 590 { 591 592 /* XXX-BZ one day we should replace this iterating over VIFs, or node list? */ 593 return (_lkpi_iv_key_set_delete(vap, k, DISABLE_KEY)); 594 } 595 static int 596 lkpi_iv_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k) 597 { 598 599 return (_lkpi_iv_key_set_delete(vap, k, SET_KEY)); 600 } 601 #endif 602 603 static u_int 604 lkpi_ic_update_mcast_copy(void *arg, struct sockaddr_dl *sdl, u_int cnt) 605 { 606 struct netdev_hw_addr_list *mc_list; 607 struct netdev_hw_addr *addr; 608 609 KASSERT(arg != NULL && sdl != NULL, ("%s: arg %p sdl %p cnt %u\n", 610 __func__, arg, sdl, cnt)); 611 612 mc_list = arg; 613 /* If it is on the list already skip it. */ 614 netdev_hw_addr_list_for_each(addr, mc_list) { 615 if (!memcmp(addr->addr, LLADDR(sdl), sdl->sdl_alen)) 616 return (0); 617 } 618 619 addr = malloc(sizeof(*addr), M_LKPI80211, M_NOWAIT | M_ZERO); 620 if (addr == NULL) 621 return (0); 622 623 INIT_LIST_HEAD(&addr->addr_list); 624 memcpy(addr->addr, LLADDR(sdl), sdl->sdl_alen); 625 /* XXX this should be a netdev function? */ 626 list_add(&addr->addr_list, &mc_list->addr_list); 627 mc_list->count++; 628 629 if (debug_80211 & D80211_TRACE) 630 printf("%s:%d: mc_list count %d: added %6D\n", 631 __func__, __LINE__, mc_list->count, addr->addr, ":"); 632 633 return (1); 634 } 635 636 static void 637 lkpi_update_mcast_filter(struct ieee80211com *ic, bool force) 638 { 639 struct lkpi_hw *lhw; 640 struct ieee80211_hw *hw; 641 struct netdev_hw_addr_list mc_list; 642 struct list_head *le, *next; 643 struct netdev_hw_addr *addr; 644 struct ieee80211vap *vap; 645 u64 mc; 646 unsigned int changed_flags, total_flags; 647 648 lhw = ic->ic_softc; 649 650 if (lhw->ops->prepare_multicast == NULL || 651 lhw->ops->configure_filter == NULL) 652 return; 653 654 if (!lhw->update_mc && !force) 655 return; 656 657 changed_flags = total_flags = 0; 658 mc_list.count = 0; 659 INIT_LIST_HEAD(&mc_list.addr_list); 660 if (ic->ic_allmulti == 0) { 661 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) 662 if_foreach_llmaddr(vap->iv_ifp, 663 lkpi_ic_update_mcast_copy, &mc_list); 664 } else { 665 changed_flags |= FIF_ALLMULTI; 666 } 667 668 hw = LHW_TO_HW(lhw); 669 mc = lkpi_80211_mo_prepare_multicast(hw, &mc_list); 670 /* 671 * XXX-BZ make sure to get this sorted what is a change, 672 * what gets all set; what was already set? 673 */ 674 total_flags = changed_flags; 675 lkpi_80211_mo_configure_filter(hw, changed_flags, &total_flags, mc); 676 677 if (debug_80211 & D80211_TRACE) 678 printf("%s: changed_flags %#06x count %d total_flags %#010x\n", 679 __func__, changed_flags, mc_list.count, total_flags); 680 681 if (mc_list.count != 0) { 682 list_for_each_safe(le, next, &mc_list.addr_list) { 683 addr = list_entry(le, struct netdev_hw_addr, addr_list); 684 free(addr, M_LKPI80211); 685 mc_list.count--; 686 } 687 } 688 KASSERT(mc_list.count == 0, ("%s: mc_list %p count %d != 0\n", 689 __func__, &mc_list, mc_list.count)); 690 } 691 692 static enum ieee80211_bss_changed 693 lkpi_update_dtim_tsf(struct ieee80211_vif *vif, struct ieee80211_node *ni, 694 struct ieee80211vap *vap, const char *_f, int _l) 695 { 696 enum ieee80211_bss_changed bss_changed; 697 698 bss_changed = 0; 699 700 if (debug_80211 & D80211_TRACE) 701 printf("%s:%d [%s:%d] assoc %d aid %d beacon_int %u " 702 "dtim_period %u sync_dtim_count %u sync_tsf %ju " 703 "sync_device_ts %u bss_changed %#08x\n", 704 __func__, __LINE__, _f, _l, 705 vif->bss_conf.assoc, vif->bss_conf.aid, 706 vif->bss_conf.beacon_int, vif->bss_conf.dtim_period, 707 vif->bss_conf.sync_dtim_count, 708 (uintmax_t)vif->bss_conf.sync_tsf, 709 vif->bss_conf.sync_device_ts, 710 bss_changed); 711 712 if (vif->bss_conf.beacon_int != ni->ni_intval) { 713 vif->bss_conf.beacon_int = ni->ni_intval; 714 /* iwlwifi FW bug workaround; iwl_mvm_mac_sta_state. */ 715 if (vif->bss_conf.beacon_int < 16) 716 vif->bss_conf.beacon_int = 16; 717 bss_changed |= BSS_CHANGED_BEACON_INT; 718 } 719 if (vif->bss_conf.dtim_period != vap->iv_dtim_period && 720 vap->iv_dtim_period > 0) { 721 vif->bss_conf.dtim_period = vap->iv_dtim_period; 722 bss_changed |= BSS_CHANGED_BEACON_INFO; 723 } 724 725 vif->bss_conf.sync_dtim_count = vap->iv_dtim_count; 726 vif->bss_conf.sync_tsf = le64toh(ni->ni_tstamp.tsf); 727 /* vif->bss_conf.sync_device_ts = set in linuxkpi_ieee80211_rx. */ 728 729 if (debug_80211 & D80211_TRACE) 730 printf("%s:%d [%s:%d] assoc %d aid %d beacon_int %u " 731 "dtim_period %u sync_dtim_count %u sync_tsf %ju " 732 "sync_device_ts %u bss_changed %#08x\n", 733 __func__, __LINE__, _f, _l, 734 vif->bss_conf.assoc, vif->bss_conf.aid, 735 vif->bss_conf.beacon_int, vif->bss_conf.dtim_period, 736 vif->bss_conf.sync_dtim_count, 737 (uintmax_t)vif->bss_conf.sync_tsf, 738 vif->bss_conf.sync_device_ts, 739 bss_changed); 740 741 return (bss_changed); 742 } 743 744 static void 745 lkpi_stop_hw_scan(struct lkpi_hw *lhw, struct ieee80211_vif *vif) 746 { 747 struct ieee80211_hw *hw; 748 int error; 749 750 if ((lhw->scan_flags & LKPI_SCAN_RUNNING) == 0) 751 return; 752 753 hw = LHW_TO_HW(lhw); 754 755 IEEE80211_UNLOCK(lhw->ic); 756 LKPI_80211_LHW_LOCK(lhw); 757 /* Need to cancel the scan. */ 758 lkpi_80211_mo_cancel_hw_scan(hw, vif); 759 760 /* Need to make sure we see ieee80211_scan_completed. */ 761 error = msleep(lhw, &lhw->mtx, 0, "lhwscanstop", hz/2); 762 LKPI_80211_LHW_UNLOCK(lhw); 763 IEEE80211_LOCK(lhw->ic); 764 765 if ((lhw->scan_flags & LKPI_SCAN_RUNNING) != 0) 766 ic_printf(lhw->ic, "%s: failed to cancel scan: %d (%p, %p)\n", 767 __func__, error, lhw, vif); 768 } 769 770 static void 771 lkpi_hw_conf_idle(struct ieee80211_hw *hw, bool new) 772 { 773 struct lkpi_hw *lhw; 774 int error; 775 bool old; 776 777 old = hw->conf.flags & IEEE80211_CONF_IDLE; 778 if (old == new) 779 return; 780 781 hw->conf.flags ^= IEEE80211_CONF_IDLE; 782 error = lkpi_80211_mo_config(hw, IEEE80211_CONF_CHANGE_IDLE); 783 if (error != 0 && error != EOPNOTSUPP) { 784 lhw = HW_TO_LHW(hw); 785 ic_printf(lhw->ic, "ERROR: %s: config %#0x returned %d\n", 786 __func__, IEEE80211_CONF_CHANGE_IDLE, error); 787 } 788 } 789 790 static void 791 lkpi_disassoc(struct ieee80211_sta *sta, struct ieee80211_vif *vif, 792 struct lkpi_hw *lhw) 793 { 794 sta->aid = 0; 795 if (vif->bss_conf.assoc) { 796 struct ieee80211_hw *hw; 797 enum ieee80211_bss_changed changed; 798 799 lhw->update_mc = true; 800 lkpi_update_mcast_filter(lhw->ic, true); 801 802 changed = 0; 803 vif->bss_conf.assoc = false; 804 vif->bss_conf.aid = 0; 805 changed |= BSS_CHANGED_ASSOC; 806 /* 807 * This will remove the sta from firmware for iwlwifi. 808 * So confusing that they use state and flags and ... ^%$%#%$^. 809 */ 810 IMPROVE(); 811 hw = LHW_TO_HW(lhw); 812 lkpi_80211_mo_bss_info_changed(hw, vif, &vif->bss_conf, 813 changed); 814 815 lkpi_hw_conf_idle(hw, true); 816 } 817 } 818 819 static void 820 lkpi_wake_tx_queues(struct ieee80211_hw *hw, struct ieee80211_sta *sta, 821 bool dequeue_seen, bool no_emptyq) 822 { 823 struct lkpi_txq *ltxq; 824 int tid; 825 826 /* Wake up all queues to know they are allocated in the driver. */ 827 for (tid = 0; tid < nitems(sta->txq); tid++) { 828 829 if (tid == IEEE80211_NUM_TIDS) { 830 IMPROVE("station specific?"); 831 if (!ieee80211_hw_check(hw, STA_MMPDU_TXQ)) 832 continue; 833 } else if (tid >= hw->queues) 834 continue; 835 836 if (sta->txq[tid] == NULL) 837 continue; 838 839 ltxq = TXQ_TO_LTXQ(sta->txq[tid]); 840 if (dequeue_seen && !ltxq->seen_dequeue) 841 continue; 842 843 if (no_emptyq && skb_queue_empty(<xq->skbq)) 844 continue; 845 846 lkpi_80211_mo_wake_tx_queue(hw, sta->txq[tid]); 847 } 848 } 849 850 /* -------------------------------------------------------------------------- */ 851 852 static int 853 lkpi_sta_state_do_nada(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 854 { 855 856 return (0); 857 } 858 859 /* lkpi_iv_newstate() handles the stop scan case generally. */ 860 #define lkpi_sta_scan_to_init(_v, _n, _a) lkpi_sta_state_do_nada(_v, _n, _a) 861 862 static int 863 lkpi_sta_scan_to_auth(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 864 { 865 struct linuxkpi_ieee80211_channel *chan; 866 struct ieee80211_chanctx_conf *conf; 867 struct lkpi_hw *lhw; 868 struct ieee80211_hw *hw; 869 struct lkpi_vif *lvif; 870 struct ieee80211_vif *vif; 871 struct ieee80211_node *ni; 872 struct lkpi_sta *lsta; 873 struct ieee80211_sta *sta; 874 enum ieee80211_bss_changed bss_changed; 875 struct ieee80211_prep_tx_info prep_tx_info; 876 uint32_t changed; 877 int error; 878 879 chan = lkpi_get_lkpi80211_chan(vap->iv_ic, vap->iv_bss); 880 if (chan == NULL) { 881 ic_printf(vap->iv_ic, "%s: failed to get channel\n", __func__); 882 return (ESRCH); 883 } 884 885 lhw = vap->iv_ic->ic_softc; 886 hw = LHW_TO_HW(lhw); 887 lvif = VAP_TO_LVIF(vap); 888 vif = LVIF_TO_VIF(lvif); 889 890 ni = ieee80211_ref_node(vap->iv_bss); 891 892 IEEE80211_UNLOCK(vap->iv_ic); 893 894 /* Add chanctx (or if exists, change it). */ 895 if (vif->chanctx_conf != NULL) { 896 conf = vif->chanctx_conf; 897 IMPROVE("diff changes for changed, working on live copy, rcu"); 898 } else { 899 /* Keep separate alloc as in Linux this is rcu managed? */ 900 conf = malloc(sizeof(*conf) + hw->chanctx_data_size, 901 M_LKPI80211, M_WAITOK | M_ZERO); 902 } 903 904 conf->rx_chains_dynamic = 1; 905 conf->rx_chains_static = 1; 906 conf->radar_enabled = 907 (chan->flags & IEEE80211_CHAN_RADAR) ? true : false; 908 conf->def.chan = chan; 909 conf->def.width = NL80211_CHAN_WIDTH_20_NOHT; 910 conf->def.center_freq1 = chan->center_freq; 911 conf->def.center_freq2 = 0; 912 /* Responder ... */ 913 conf->min_def.chan = chan; 914 conf->min_def.width = NL80211_CHAN_WIDTH_20_NOHT; 915 conf->min_def.center_freq1 = chan->center_freq; 916 conf->min_def.center_freq2 = 0; 917 IMPROVE("currently 20_NOHT only"); 918 919 error = 0; 920 if (vif->chanctx_conf != NULL) { 921 changed = IEEE80211_CHANCTX_CHANGE_MIN_WIDTH; 922 changed |= IEEE80211_CHANCTX_CHANGE_RADAR; 923 changed |= IEEE80211_CHANCTX_CHANGE_RX_CHAINS; 924 changed |= IEEE80211_CHANCTX_CHANGE_WIDTH; 925 lkpi_80211_mo_change_chanctx(hw, conf, changed); 926 } else { 927 error = lkpi_80211_mo_add_chanctx(hw, conf); 928 if (error == 0 || error == EOPNOTSUPP) { 929 vif->bss_conf.chandef.chan = conf->def.chan; 930 vif->bss_conf.chandef.width = conf->def.width; 931 vif->bss_conf.chandef.center_freq1 = 932 conf->def.center_freq1; 933 vif->bss_conf.chandef.center_freq2 = 934 conf->def.center_freq2; 935 } else { 936 goto out; 937 } 938 /* Assign vif chanctx. */ 939 if (error == 0) 940 error = lkpi_80211_mo_assign_vif_chanctx(hw, vif, conf); 941 if (error == EOPNOTSUPP) 942 error = 0; 943 if (error != 0) { 944 lkpi_80211_mo_remove_chanctx(hw, conf); 945 free(conf, M_LKPI80211); 946 goto out; 947 } 948 } 949 IMPROVE("update radiotap chan fields too"); 950 951 /* Set bss info (bss_info_changed). */ 952 bss_changed = 0; 953 IEEE80211_ADDR_COPY(vif->bss_conf.bssid, ni->ni_bssid); 954 bss_changed |= BSS_CHANGED_BSSID; 955 vif->bss_conf.txpower = ni->ni_txpower; 956 bss_changed |= BSS_CHANGED_TXPOWER; 957 vif->bss_conf.idle = false; 958 bss_changed |= BSS_CHANGED_IDLE; 959 960 /* Should almost assert it is this. */ 961 vif->bss_conf.assoc = false; 962 vif->bss_conf.aid = 0; 963 964 bss_changed |= lkpi_update_dtim_tsf(vif, ni, vap, __func__, __LINE__); 965 966 /* RATES */ 967 IMPROVE("bss info: not all needs to come now and rates are missing"); 968 lkpi_80211_mo_bss_info_changed(hw, vif, &vif->bss_conf, bss_changed); 969 970 /* 971 * This is a bandaid for now. If we went through (*iv_update_bss)() 972 * and then removed the lsta we end up here without a lsta and have 973 * to manually allocate and link it in as lkpi_ic_node_alloc()/init() 974 * would normally do. 975 * XXX-BZ I do not like this but currently we have no good way of 976 * intercepting the bss swap and state changes and packets going out 977 * workflow so live with this. It is a compat layer after all. 978 */ 979 if (ni->ni_drv_data == NULL) { 980 lsta = lkpi_lsta_alloc(vap, ni->ni_macaddr, hw, ni); 981 if (lsta == NULL) { 982 error = ENOMEM; 983 goto out; 984 } 985 lsta->ni = ieee80211_ref_node(ni); 986 LKPI_80211_LVIF_LOCK(lvif); 987 TAILQ_INSERT_TAIL(&lvif->lsta_head, lsta, lsta_entry); 988 LKPI_80211_LVIF_UNLOCK(lvif); 989 } else { 990 lsta = ni->ni_drv_data; 991 } 992 /* Add (or adjust) sta and change state (from NOTEXIST) to NONE. */ 993 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 994 KASSERT(lsta->state == IEEE80211_STA_NOTEXIST, ("%s: lsta %p state not " 995 "NOTEXIST: %#x\n", __func__, lsta, lsta->state)); 996 sta = LSTA_TO_STA(lsta); 997 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_NONE); 998 if (error != 0) { 999 IMPROVE("do we need to undo the chan ctx?"); 1000 goto out; 1001 } 1002 #if 0 1003 lsta->added_to_drv = true; /* mo manages. */ 1004 #endif 1005 1006 /* 1007 * Wakeup all queues now that sta is there so we have as much time to 1008 * possibly prepare the queue in the driver to be ready for the 1st 1009 * packet; lkpi_80211_txq_tx_one() still has a workaround as there 1010 * is no guarantee or way to check. 1011 * XXX-BZ and by now we know that this does not work on all drivers 1012 * for all queues. 1013 */ 1014 lkpi_wake_tx_queues(hw, sta, false, false); 1015 1016 { 1017 int i, count; 1018 1019 for (i = 3 * (hw->queues + 1); i > 0; i--) { 1020 struct lkpi_txq *ltxq; 1021 int tid; 1022 1023 count = 0; 1024 /* Wake up all queues to know they are allocated in the driver. */ 1025 for (tid = 0; tid < nitems(sta->txq); tid++) { 1026 1027 if (tid == IEEE80211_NUM_TIDS) { 1028 IMPROVE("station specific?"); 1029 if (!ieee80211_hw_check(hw, STA_MMPDU_TXQ)) 1030 continue; 1031 } else if (tid >= hw->queues) 1032 continue; 1033 1034 if (sta->txq[tid] == NULL) 1035 continue; 1036 1037 ltxq = TXQ_TO_LTXQ(sta->txq[tid]); 1038 if (!ltxq->seen_dequeue) 1039 count++; 1040 } 1041 if (count == 0) 1042 break; 1043 #ifdef LINUXKPI_DEBUG_80211 1044 if (count > 0) 1045 ic_printf(vap->iv_ic, "%s: waiting for %d queues " 1046 "to be allocated by driver\n", __func__, count); 1047 #endif 1048 pause("lkpi80211txq", hz/10); 1049 } 1050 #ifdef LINUXKPI_DEBUG_80211 1051 if (count > 0) 1052 ic_printf(vap->iv_ic, "%s: %d queues still not " 1053 "allocated by driver\n", __func__, count); 1054 #endif 1055 } 1056 1057 /* Start mgd_prepare_tx. */ 1058 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1059 prep_tx_info.duration = PREP_TX_INFO_DURATION; 1060 lkpi_80211_mo_mgd_prepare_tx(hw, vif, &prep_tx_info); 1061 lsta->in_mgd = true; 1062 1063 /* 1064 * What is going to happen next: 1065 * - <twiddle> .. we should end up in "auth_to_assoc" 1066 * - event_callback 1067 * - update sta_state (NONE to AUTH) 1068 * - mgd_complete_tx 1069 * (ideally we'd do that on a callback for something else ...) 1070 */ 1071 1072 out: 1073 IEEE80211_LOCK(vap->iv_ic); 1074 if (ni != NULL) 1075 ieee80211_free_node(ni); 1076 return (error); 1077 } 1078 1079 static int 1080 lkpi_sta_auth_to_scan(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1081 { 1082 struct lkpi_hw *lhw; 1083 struct ieee80211_hw *hw; 1084 struct lkpi_vif *lvif; 1085 struct ieee80211_vif *vif; 1086 struct ieee80211_node *ni; 1087 struct lkpi_sta *lsta; 1088 struct ieee80211_sta *sta; 1089 struct ieee80211_prep_tx_info prep_tx_info; 1090 int error; 1091 1092 lhw = vap->iv_ic->ic_softc; 1093 hw = LHW_TO_HW(lhw); 1094 lvif = VAP_TO_LVIF(vap); 1095 vif = LVIF_TO_VIF(lvif); 1096 1097 /* Keep ni around. */ 1098 ni = ieee80211_ref_node(vap->iv_bss); 1099 lsta = ni->ni_drv_data; 1100 sta = LSTA_TO_STA(lsta); 1101 1102 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1103 1104 IEEE80211_UNLOCK(vap->iv_ic); 1105 1106 /* flush, drop. */ 1107 lkpi_80211_mo_flush(hw, vif, nitems(sta->txq), true); 1108 1109 /* Wake tx queues to get packet(s) out. */ 1110 lkpi_wake_tx_queues(hw, sta, true, true); 1111 1112 /* flush, no drop */ 1113 lkpi_80211_mo_flush(hw, vif, nitems(sta->txq), false); 1114 1115 /* End mgd_complete_tx. */ 1116 if (lsta->in_mgd) { 1117 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1118 prep_tx_info.success = false; 1119 lkpi_80211_mo_mgd_complete_tx(hw, vif, &prep_tx_info); 1120 lsta->in_mgd = false; 1121 } 1122 1123 /* sync_rx_queues */ 1124 lkpi_80211_mo_sync_rx_queues(hw); 1125 1126 /* sta_pre_rcu_remove */ 1127 lkpi_80211_mo_sta_pre_rcu_remove(hw, vif, sta); 1128 1129 /* Take the station down. */ 1130 1131 /* Adjust sta and change state (from NONE) to NOTEXIST. */ 1132 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1133 KASSERT(lsta->state == IEEE80211_STA_NONE, ("%s: lsta %p state not " 1134 "NONE: %#x, nstate %d arg %d\n", __func__, lsta, lsta->state, nstate, arg)); 1135 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST); 1136 if (error != 0) { 1137 IMPROVE("do we need to undo the chan ctx?"); 1138 goto out; 1139 } 1140 #if 0 1141 lsta->added_to_drv = false; /* mo manages. */ 1142 #endif 1143 1144 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1145 1146 lkpi_lsta_remove(lsta, lvif); 1147 1148 /* conf_tx */ 1149 1150 /* Take the chan ctx down. */ 1151 if (vif->chanctx_conf != NULL) { 1152 struct ieee80211_chanctx_conf *conf; 1153 1154 conf = vif->chanctx_conf; 1155 /* Remove vif context. */ 1156 lkpi_80211_mo_unassign_vif_chanctx(hw, vif, &vif->chanctx_conf); 1157 /* NB: vif->chanctx_conf is NULL now. */ 1158 1159 /* Remove chan ctx. */ 1160 lkpi_80211_mo_remove_chanctx(hw, conf); 1161 free(conf, M_LKPI80211); 1162 } 1163 1164 out: 1165 IEEE80211_LOCK(vap->iv_ic); 1166 if (ni != NULL) 1167 ieee80211_free_node(ni); 1168 return (error); 1169 } 1170 1171 static int 1172 lkpi_sta_auth_to_init(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1173 { 1174 int error; 1175 1176 error = lkpi_sta_auth_to_scan(vap, nstate, arg); 1177 if (error == 0) 1178 error = lkpi_sta_scan_to_init(vap, nstate, arg); 1179 return (error); 1180 } 1181 1182 static int 1183 lkpi_sta_auth_to_assoc(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1184 { 1185 struct lkpi_hw *lhw; 1186 struct ieee80211_hw *hw; 1187 struct lkpi_vif *lvif; 1188 struct ieee80211_vif *vif; 1189 struct ieee80211_node *ni; 1190 struct lkpi_sta *lsta; 1191 struct ieee80211_sta *sta; 1192 struct ieee80211_prep_tx_info prep_tx_info; 1193 int error; 1194 1195 lhw = vap->iv_ic->ic_softc; 1196 hw = LHW_TO_HW(lhw); 1197 lvif = VAP_TO_LVIF(vap); 1198 vif = LVIF_TO_VIF(lvif); 1199 1200 IEEE80211_UNLOCK(vap->iv_ic); 1201 ni = NULL; 1202 1203 /* Finish auth. */ 1204 IMPROVE("event callback"); 1205 1206 /* Update sta_state (NONE to AUTH). */ 1207 ni = ieee80211_ref_node(vap->iv_bss); 1208 lsta = ni->ni_drv_data; 1209 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1210 KASSERT(lsta->state == IEEE80211_STA_NONE, ("%s: lsta %p state not " 1211 "NONE: %#x\n", __func__, lsta, lsta->state)); 1212 sta = LSTA_TO_STA(lsta); 1213 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_AUTH); 1214 if (error != 0) 1215 goto out; 1216 1217 /* End mgd_complete_tx. */ 1218 if (lsta->in_mgd) { 1219 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1220 prep_tx_info.success = true; 1221 lkpi_80211_mo_mgd_complete_tx(hw, vif, &prep_tx_info); 1222 lsta->in_mgd = false; 1223 } 1224 1225 /* Now start assoc. */ 1226 1227 /* Start mgd_prepare_tx. */ 1228 if (!lsta->in_mgd) { 1229 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1230 prep_tx_info.duration = PREP_TX_INFO_DURATION; 1231 lkpi_80211_mo_mgd_prepare_tx(hw, vif, &prep_tx_info); 1232 lsta->in_mgd = true; 1233 } 1234 1235 /* Wake tx queue to get packet out. */ 1236 lkpi_wake_tx_queues(hw, sta, true, true); 1237 1238 /* 1239 * <twiddle> .. we end up in "assoc_to_run" 1240 * - update sta_state (AUTH to ASSOC) 1241 * - conf_tx [all] 1242 * - bss_info_changed (assoc, aid, ssid, ..) 1243 * - change_chanctx (if needed) 1244 * - event_callback 1245 * - mgd_complete_tx 1246 */ 1247 1248 out: 1249 IEEE80211_LOCK(vap->iv_ic); 1250 if (ni != NULL) 1251 ieee80211_free_node(ni); 1252 return (error); 1253 } 1254 1255 /* auth_to_auth, assoc_to_assoc. */ 1256 static int 1257 lkpi_sta_a_to_a(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1258 { 1259 struct lkpi_hw *lhw; 1260 struct ieee80211_hw *hw; 1261 struct lkpi_vif *lvif; 1262 struct ieee80211_vif *vif; 1263 struct ieee80211_node *ni; 1264 struct lkpi_sta *lsta; 1265 struct ieee80211_prep_tx_info prep_tx_info; 1266 1267 lhw = vap->iv_ic->ic_softc; 1268 hw = LHW_TO_HW(lhw); 1269 lvif = VAP_TO_LVIF(vap); 1270 vif = LVIF_TO_VIF(lvif); 1271 1272 ni = ieee80211_ref_node(vap->iv_bss); 1273 1274 IEEE80211_UNLOCK(vap->iv_ic); 1275 lsta = ni->ni_drv_data; 1276 1277 IMPROVE("event callback?"); 1278 1279 /* End mgd_complete_tx. */ 1280 if (lsta->in_mgd) { 1281 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1282 prep_tx_info.success = false; 1283 lkpi_80211_mo_mgd_complete_tx(hw, vif, &prep_tx_info); 1284 lsta->in_mgd = false; 1285 } 1286 1287 /* Now start assoc. */ 1288 1289 /* Start mgd_prepare_tx. */ 1290 if (!lsta->in_mgd) { 1291 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1292 prep_tx_info.duration = PREP_TX_INFO_DURATION; 1293 lkpi_80211_mo_mgd_prepare_tx(hw, vif, &prep_tx_info); 1294 lsta->in_mgd = true; 1295 } 1296 1297 IEEE80211_LOCK(vap->iv_ic); 1298 if (ni != NULL) 1299 ieee80211_free_node(ni); 1300 1301 return (0); 1302 } 1303 1304 static int 1305 _lkpi_sta_assoc_to_down(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1306 { 1307 struct lkpi_hw *lhw; 1308 struct ieee80211_hw *hw; 1309 struct lkpi_vif *lvif; 1310 struct ieee80211_vif *vif; 1311 struct ieee80211_node *ni; 1312 struct lkpi_sta *lsta; 1313 struct ieee80211_sta *sta; 1314 struct ieee80211_prep_tx_info prep_tx_info; 1315 enum ieee80211_bss_changed bss_changed; 1316 int error; 1317 1318 lhw = vap->iv_ic->ic_softc; 1319 hw = LHW_TO_HW(lhw); 1320 lvif = VAP_TO_LVIF(vap); 1321 vif = LVIF_TO_VIF(lvif); 1322 1323 /* Keep ni around. */ 1324 ni = ieee80211_ref_node(vap->iv_bss); 1325 lsta = ni->ni_drv_data; 1326 sta = LSTA_TO_STA(lsta); 1327 1328 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1329 1330 IEEE80211_UNLOCK(vap->iv_ic); 1331 1332 /* flush, drop. */ 1333 lkpi_80211_mo_flush(hw, vif, nitems(sta->txq), true); 1334 1335 IMPROVE("What are the proper conditions for DEAUTH_NEED_MGD_TX_PREP?"); 1336 if (ieee80211_hw_check(hw, DEAUTH_NEED_MGD_TX_PREP) && 1337 !lsta->in_mgd) { 1338 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1339 prep_tx_info.duration = PREP_TX_INFO_DURATION; 1340 lkpi_80211_mo_mgd_prepare_tx(hw, vif, &prep_tx_info); 1341 lsta->in_mgd = true; 1342 } 1343 1344 IEEE80211_LOCK(vap->iv_ic); 1345 1346 /* Call iv_newstate first so we get potential DISASSOC packet out. */ 1347 error = lvif->iv_newstate(vap, nstate, arg); 1348 if (error != 0) 1349 goto outni; 1350 1351 IEEE80211_UNLOCK(vap->iv_ic); 1352 1353 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1354 1355 /* Wake tx queues to get packet(s) out. */ 1356 lkpi_wake_tx_queues(hw, sta, true, true); 1357 1358 /* flush, no drop */ 1359 lkpi_80211_mo_flush(hw, vif, nitems(sta->txq), false); 1360 1361 /* End mgd_complete_tx. */ 1362 if (lsta->in_mgd) { 1363 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1364 prep_tx_info.success = false; 1365 lkpi_80211_mo_mgd_complete_tx(hw, vif, &prep_tx_info); 1366 lsta->in_mgd = false; 1367 } 1368 1369 /* sync_rx_queues */ 1370 lkpi_80211_mo_sync_rx_queues(hw); 1371 1372 /* sta_pre_rcu_remove */ 1373 lkpi_80211_mo_sta_pre_rcu_remove(hw, vif, sta); 1374 1375 /* Take the station down. */ 1376 1377 /* Update sta and change state (from AUTH) to NONE. */ 1378 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1379 KASSERT(lsta->state == IEEE80211_STA_AUTH, ("%s: lsta %p state not " 1380 "AUTH: %#x\n", __func__, lsta, lsta->state)); 1381 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_NONE); 1382 if (error != 0) 1383 goto out; 1384 1385 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1386 1387 /* Adjust sta and change state (from NONE) to NOTEXIST. */ 1388 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1389 KASSERT(lsta->state == IEEE80211_STA_NONE, ("%s: lsta %p state not " 1390 "NONE: %#x, nstate %d arg %d\n", __func__, lsta, lsta->state, nstate, arg)); 1391 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST); 1392 if (error != 0) { 1393 IMPROVE("do we need to undo the chan ctx?"); 1394 goto out; 1395 } 1396 #if 0 1397 lsta->added_to_drv = false; /* mo manages. */ 1398 #endif 1399 1400 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1401 1402 /* Update bss info (bss_info_changed) (assoc, aid, ..). */ 1403 /* We need to do this now, can only do after sta is IEEE80211_STA_NOTEXIST. */ 1404 lkpi_disassoc(sta, vif, lhw); 1405 1406 IMPROVE("Any bss_info changes to announce?"); 1407 bss_changed = 0; 1408 vif->bss_conf.qos = 0; 1409 bss_changed |= BSS_CHANGED_QOS; 1410 vif->bss_conf.ssid_len = 0; 1411 memset(vif->bss_conf.ssid, '\0', sizeof(vif->bss_conf.ssid)); 1412 bss_changed |= BSS_CHANGED_BSSID; 1413 lkpi_80211_mo_bss_info_changed(hw, vif, &vif->bss_conf, bss_changed); 1414 1415 lkpi_lsta_remove(lsta, lvif); 1416 1417 /* conf_tx */ 1418 1419 /* Take the chan ctx down. */ 1420 if (vif->chanctx_conf != NULL) { 1421 struct ieee80211_chanctx_conf *conf; 1422 1423 conf = vif->chanctx_conf; 1424 /* Remove vif context. */ 1425 lkpi_80211_mo_unassign_vif_chanctx(hw, vif, &vif->chanctx_conf); 1426 /* NB: vif->chanctx_conf is NULL now. */ 1427 1428 /* Remove chan ctx. */ 1429 lkpi_80211_mo_remove_chanctx(hw, conf); 1430 free(conf, M_LKPI80211); 1431 } 1432 1433 error = EALREADY; 1434 out: 1435 IEEE80211_LOCK(vap->iv_ic); 1436 outni: 1437 if (ni != NULL) 1438 ieee80211_free_node(ni); 1439 return (error); 1440 } 1441 1442 static int 1443 lkpi_sta_assoc_to_auth(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1444 { 1445 int error; 1446 1447 error = _lkpi_sta_assoc_to_down(vap, nstate, arg); 1448 if (error != 0 && error != EALREADY) 1449 return (error); 1450 1451 /* At this point iv_bss is long a new node! */ 1452 1453 error |= lkpi_sta_scan_to_auth(vap, nstate, 0); 1454 return (error); 1455 } 1456 1457 static int 1458 lkpi_sta_assoc_to_scan(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1459 { 1460 int error; 1461 1462 error = _lkpi_sta_assoc_to_down(vap, nstate, arg); 1463 return (error); 1464 } 1465 1466 static int 1467 lkpi_sta_assoc_to_init(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1468 { 1469 int error; 1470 1471 error = _lkpi_sta_assoc_to_down(vap, nstate, arg); 1472 return (error); 1473 } 1474 1475 static int 1476 lkpi_sta_assoc_to_run(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1477 { 1478 struct lkpi_hw *lhw; 1479 struct ieee80211_hw *hw; 1480 struct lkpi_vif *lvif; 1481 struct ieee80211_vif *vif; 1482 struct ieee80211_node *ni; 1483 struct lkpi_sta *lsta; 1484 struct ieee80211_sta *sta; 1485 struct ieee80211_prep_tx_info prep_tx_info; 1486 enum ieee80211_bss_changed bss_changed; 1487 int error; 1488 1489 lhw = vap->iv_ic->ic_softc; 1490 hw = LHW_TO_HW(lhw); 1491 lvif = VAP_TO_LVIF(vap); 1492 vif = LVIF_TO_VIF(lvif); 1493 1494 IEEE80211_UNLOCK(vap->iv_ic); 1495 ni = NULL; 1496 1497 IMPROVE("ponder some of this moved to ic_newassoc, scan_assoc_success, " 1498 "and to lesser extend ieee80211_notify_node_join"); 1499 1500 /* Finish assoc. */ 1501 /* Update sta_state (AUTH to ASSOC) and set aid. */ 1502 ni = ieee80211_ref_node(vap->iv_bss); 1503 lsta = ni->ni_drv_data; 1504 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1505 KASSERT(lsta->state == IEEE80211_STA_AUTH, ("%s: lsta %p state not " 1506 "AUTH: %#x\n", __func__, lsta, lsta->state)); 1507 sta = LSTA_TO_STA(lsta); 1508 sta->aid = IEEE80211_NODE_AID(ni); 1509 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_ASSOC); 1510 if (error != 0) 1511 goto out; 1512 1513 IMPROVE("wme / conf_tx [all]"); 1514 1515 /* Update bss info (bss_info_changed) (assoc, aid, ..). */ 1516 bss_changed = 0; 1517 if (!vif->bss_conf.assoc || vif->bss_conf.aid != IEEE80211_NODE_AID(ni)) { 1518 vif->bss_conf.assoc = true; 1519 vif->bss_conf.aid = IEEE80211_NODE_AID(ni); 1520 bss_changed |= BSS_CHANGED_ASSOC; 1521 } 1522 /* We set SSID but this is not BSSID! */ 1523 vif->bss_conf.ssid_len = ni->ni_esslen; 1524 memcpy(vif->bss_conf.ssid, ni->ni_essid, ni->ni_esslen); 1525 if ((vap->iv_flags & IEEE80211_F_SHPREAMBLE) != 1526 vif->bss_conf.use_short_preamble) { 1527 vif->bss_conf.use_short_preamble ^= 1; 1528 /* bss_changed |= BSS_CHANGED_??? */ 1529 } 1530 if ((vap->iv_flags & IEEE80211_F_SHSLOT) != 1531 vif->bss_conf.use_short_slot) { 1532 vif->bss_conf.use_short_slot ^= 1; 1533 /* bss_changed |= BSS_CHANGED_??? */ 1534 } 1535 if ((ni->ni_flags & IEEE80211_NODE_QOS) != 1536 vif->bss_conf.qos) { 1537 vif->bss_conf.qos ^= 1; 1538 bss_changed |= BSS_CHANGED_QOS; 1539 } 1540 1541 bss_changed |= lkpi_update_dtim_tsf(vif, ni, vap, __func__, __LINE__); 1542 1543 lkpi_80211_mo_bss_info_changed(hw, vif, &vif->bss_conf, bss_changed); 1544 1545 /* - change_chanctx (if needed) 1546 * - event_callback 1547 */ 1548 1549 /* End mgd_complete_tx. */ 1550 if (lsta->in_mgd) { 1551 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1552 prep_tx_info.success = true; 1553 lkpi_80211_mo_mgd_complete_tx(hw, vif, &prep_tx_info); 1554 lsta->in_mgd = false; 1555 } 1556 1557 lkpi_hw_conf_idle(hw, false); 1558 1559 /* 1560 * And then: 1561 * - (more packets)? 1562 * - set_key 1563 * - set_default_unicast_key 1564 * - set_key (?) 1565 * - ipv6_addr_change (?) 1566 */ 1567 /* Prepare_multicast && configure_filter. */ 1568 lhw->update_mc = true; 1569 lkpi_update_mcast_filter(vap->iv_ic, true); 1570 1571 if (!ieee80211_node_is_authorized(ni)) { 1572 IMPROVE("net80211 does not consider node authorized"); 1573 } 1574 1575 /* Update sta_state (ASSOC to AUTHORIZED). */ 1576 ni = ieee80211_ref_node(vap->iv_bss); 1577 lsta = ni->ni_drv_data; 1578 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1579 KASSERT(lsta->state == IEEE80211_STA_ASSOC, ("%s: lsta %p state not " 1580 "ASSOC: %#x\n", __func__, lsta, lsta->state)); 1581 sta = LSTA_TO_STA(lsta); 1582 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_AUTHORIZED); 1583 if (error != 0) { 1584 IMPROVE("undo some changes?"); 1585 goto out; 1586 } 1587 1588 /* - drv_config (?) 1589 * - bss_info_changed 1590 * - set_rekey_data (?) 1591 * 1592 * And now we should be passing packets. 1593 */ 1594 IMPROVE("Need that bssid setting, and the keys"); 1595 1596 bss_changed = 0; 1597 bss_changed |= lkpi_update_dtim_tsf(vif, ni, vap, __func__, __LINE__); 1598 lkpi_80211_mo_bss_info_changed(hw, vif, &vif->bss_conf, bss_changed); 1599 1600 out: 1601 IEEE80211_LOCK(vap->iv_ic); 1602 if (ni != NULL) 1603 ieee80211_free_node(ni); 1604 return (error); 1605 } 1606 1607 static int 1608 lkpi_sta_auth_to_run(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1609 { 1610 int error; 1611 1612 error = lkpi_sta_auth_to_assoc(vap, nstate, arg); 1613 if (error == 0) 1614 error = lkpi_sta_assoc_to_run(vap, nstate, arg); 1615 return (error); 1616 } 1617 1618 static int 1619 lkpi_sta_run_to_assoc(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1620 { 1621 struct lkpi_hw *lhw; 1622 struct ieee80211_hw *hw; 1623 struct lkpi_vif *lvif; 1624 struct ieee80211_vif *vif; 1625 struct ieee80211_node *ni; 1626 struct lkpi_sta *lsta; 1627 struct ieee80211_sta *sta; 1628 struct ieee80211_prep_tx_info prep_tx_info; 1629 #if 0 1630 enum ieee80211_bss_changed bss_changed; 1631 #endif 1632 int error; 1633 1634 lhw = vap->iv_ic->ic_softc; 1635 hw = LHW_TO_HW(lhw); 1636 lvif = VAP_TO_LVIF(vap); 1637 vif = LVIF_TO_VIF(lvif); 1638 1639 /* Keep ni around. */ 1640 ni = ieee80211_ref_node(vap->iv_bss); 1641 lsta = ni->ni_drv_data; 1642 sta = LSTA_TO_STA(lsta); 1643 1644 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1645 1646 IEEE80211_UNLOCK(vap->iv_ic); 1647 1648 /* flush, drop. */ 1649 lkpi_80211_mo_flush(hw, vif, nitems(sta->txq), true); 1650 1651 IMPROVE("What are the proper conditions for DEAUTH_NEED_MGD_TX_PREP?"); 1652 if (ieee80211_hw_check(hw, DEAUTH_NEED_MGD_TX_PREP) && 1653 !lsta->in_mgd) { 1654 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1655 prep_tx_info.duration = PREP_TX_INFO_DURATION; 1656 lkpi_80211_mo_mgd_prepare_tx(hw, vif, &prep_tx_info); 1657 lsta->in_mgd = true; 1658 } 1659 1660 IEEE80211_LOCK(vap->iv_ic); 1661 1662 /* Call iv_newstate first so we get potential DISASSOC packet out. */ 1663 error = lvif->iv_newstate(vap, nstate, arg); 1664 if (error != 0) 1665 goto outni; 1666 1667 IEEE80211_UNLOCK(vap->iv_ic); 1668 1669 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1670 1671 /* Wake tx queues to get packet(s) out. */ 1672 lkpi_wake_tx_queues(hw, sta, true, true); 1673 1674 /* flush, no drop */ 1675 lkpi_80211_mo_flush(hw, vif, nitems(sta->txq), false); 1676 1677 /* End mgd_complete_tx. */ 1678 if (lsta->in_mgd) { 1679 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1680 prep_tx_info.success = false; 1681 lkpi_80211_mo_mgd_complete_tx(hw, vif, &prep_tx_info); 1682 lsta->in_mgd = false; 1683 } 1684 1685 #if 0 1686 /* sync_rx_queues */ 1687 lkpi_80211_mo_sync_rx_queues(hw); 1688 1689 /* sta_pre_rcu_remove */ 1690 lkpi_80211_mo_sta_pre_rcu_remove(hw, vif, sta); 1691 #endif 1692 1693 /* Take the station down. */ 1694 1695 /* Adjust sta and change state (from AUTHORIZED) to ASSOC. */ 1696 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1697 KASSERT(lsta->state == IEEE80211_STA_AUTHORIZED, ("%s: lsta %p state not " 1698 "AUTHORIZED: %#x\n", __func__, lsta, lsta->state)); 1699 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_ASSOC); 1700 if (error != 0) 1701 goto out; 1702 1703 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1704 1705 /* Update sta_state (ASSOC to AUTH). */ 1706 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1707 KASSERT(lsta->state == IEEE80211_STA_ASSOC, ("%s: lsta %p state not " 1708 "ASSOC: %#x\n", __func__, lsta, lsta->state)); 1709 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_AUTH); 1710 if (error != 0) 1711 goto out; 1712 1713 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1714 1715 #if 0 1716 /* Update bss info (bss_info_changed) (assoc, aid, ..). */ 1717 lkpi_disassoc(sta, vif, lhw); 1718 #endif 1719 1720 error = EALREADY; 1721 out: 1722 IEEE80211_LOCK(vap->iv_ic); 1723 outni: 1724 if (ni != NULL) 1725 ieee80211_free_node(ni); 1726 return (error); 1727 } 1728 1729 static int 1730 lkpi_sta_run_to_init(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1731 { 1732 struct lkpi_hw *lhw; 1733 struct ieee80211_hw *hw; 1734 struct lkpi_vif *lvif; 1735 struct ieee80211_vif *vif; 1736 struct ieee80211_node *ni; 1737 struct lkpi_sta *lsta; 1738 struct ieee80211_sta *sta; 1739 struct ieee80211_prep_tx_info prep_tx_info; 1740 enum ieee80211_bss_changed bss_changed; 1741 int error; 1742 1743 lhw = vap->iv_ic->ic_softc; 1744 hw = LHW_TO_HW(lhw); 1745 lvif = VAP_TO_LVIF(vap); 1746 vif = LVIF_TO_VIF(lvif); 1747 1748 /* Keep ni around. */ 1749 ni = ieee80211_ref_node(vap->iv_bss); 1750 lsta = ni->ni_drv_data; 1751 sta = LSTA_TO_STA(lsta); 1752 1753 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1754 1755 IEEE80211_UNLOCK(vap->iv_ic); 1756 1757 /* flush, drop. */ 1758 lkpi_80211_mo_flush(hw, vif, nitems(sta->txq), true); 1759 1760 IMPROVE("What are the proper conditions for DEAUTH_NEED_MGD_TX_PREP?"); 1761 if (ieee80211_hw_check(hw, DEAUTH_NEED_MGD_TX_PREP) && 1762 !lsta->in_mgd) { 1763 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1764 prep_tx_info.duration = PREP_TX_INFO_DURATION; 1765 lkpi_80211_mo_mgd_prepare_tx(hw, vif, &prep_tx_info); 1766 lsta->in_mgd = true; 1767 } 1768 1769 IEEE80211_LOCK(vap->iv_ic); 1770 1771 /* Call iv_newstate first so we get potential DISASSOC packet out. */ 1772 error = lvif->iv_newstate(vap, nstate, arg); 1773 if (error != 0) 1774 goto outni; 1775 1776 IEEE80211_UNLOCK(vap->iv_ic); 1777 1778 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1779 1780 /* Wake tx queues to get packet(s) out. */ 1781 lkpi_wake_tx_queues(hw, sta, true, true); 1782 1783 /* flush, no drop */ 1784 lkpi_80211_mo_flush(hw, vif, nitems(sta->txq), false); 1785 1786 /* End mgd_complete_tx. */ 1787 if (lsta->in_mgd) { 1788 memset(&prep_tx_info, 0, sizeof(prep_tx_info)); 1789 prep_tx_info.success = false; 1790 lkpi_80211_mo_mgd_complete_tx(hw, vif, &prep_tx_info); 1791 lsta->in_mgd = false; 1792 } 1793 1794 /* sync_rx_queues */ 1795 lkpi_80211_mo_sync_rx_queues(hw); 1796 1797 /* sta_pre_rcu_remove */ 1798 lkpi_80211_mo_sta_pre_rcu_remove(hw, vif, sta); 1799 1800 /* Take the station down. */ 1801 1802 /* Adjust sta and change state (from AUTHORIZED) to ASSOC. */ 1803 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1804 KASSERT(lsta->state == IEEE80211_STA_AUTHORIZED, ("%s: lsta %p state not " 1805 "AUTHORIZED: %#x\n", __func__, lsta, lsta->state)); 1806 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_ASSOC); 1807 if (error != 0) 1808 goto out; 1809 1810 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1811 1812 /* Update sta_state (ASSOC to AUTH). */ 1813 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1814 KASSERT(lsta->state == IEEE80211_STA_ASSOC, ("%s: lsta %p state not " 1815 "ASSOC: %#x\n", __func__, lsta, lsta->state)); 1816 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_AUTH); 1817 if (error != 0) 1818 goto out; 1819 1820 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1821 1822 /* Update sta and change state (from AUTH) to NONE. */ 1823 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1824 KASSERT(lsta->state == IEEE80211_STA_AUTH, ("%s: lsta %p state not " 1825 "AUTH: %#x\n", __func__, lsta, lsta->state)); 1826 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_NONE); 1827 if (error != 0) 1828 goto out; 1829 1830 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1831 1832 /* Adjust sta and change state (from NONE) to NOTEXIST. */ 1833 KASSERT(lsta != NULL, ("%s: ni %p lsta is NULL\n", __func__, ni)); 1834 KASSERT(lsta->state == IEEE80211_STA_NONE, ("%s: lsta %p state not " 1835 "NONE: %#x, nstate %d arg %d\n", __func__, lsta, lsta->state, nstate, arg)); 1836 error = lkpi_80211_mo_sta_state(hw, vif, sta, IEEE80211_STA_NOTEXIST); 1837 if (error != 0) { 1838 IMPROVE("do we need to undo the chan ctx?"); 1839 goto out; 1840 } 1841 #if 0 1842 lsta->added_to_drv = false; /* mo manages. */ 1843 #endif 1844 1845 lkpi_lsta_dump(lsta, ni, __func__, __LINE__); 1846 1847 /* Update bss info (bss_info_changed) (assoc, aid, ..). */ 1848 /* 1849 * One would expect this to happen when going off AUTHORIZED. 1850 * See comment there; removes the sta from fw. 1851 */ 1852 lkpi_disassoc(sta, vif, lhw); 1853 1854 IMPROVE("Any bss_info changes to announce?"); 1855 bss_changed = 0; 1856 vif->bss_conf.qos = 0; 1857 bss_changed |= BSS_CHANGED_QOS; 1858 vif->bss_conf.ssid_len = 0; 1859 memset(vif->bss_conf.ssid, '\0', sizeof(vif->bss_conf.ssid)); 1860 bss_changed |= BSS_CHANGED_BSSID; 1861 lkpi_80211_mo_bss_info_changed(hw, vif, &vif->bss_conf, bss_changed); 1862 1863 lkpi_lsta_remove(lsta, lvif); 1864 1865 /* conf_tx */ 1866 1867 /* Take the chan ctx down. */ 1868 if (vif->chanctx_conf != NULL) { 1869 struct ieee80211_chanctx_conf *conf; 1870 1871 conf = vif->chanctx_conf; 1872 /* Remove vif context. */ 1873 lkpi_80211_mo_unassign_vif_chanctx(hw, vif, &vif->chanctx_conf); 1874 /* NB: vif->chanctx_conf is NULL now. */ 1875 1876 /* Remove chan ctx. */ 1877 lkpi_80211_mo_remove_chanctx(hw, conf); 1878 free(conf, M_LKPI80211); 1879 } 1880 1881 error = EALREADY; 1882 out: 1883 IEEE80211_LOCK(vap->iv_ic); 1884 outni: 1885 if (ni != NULL) 1886 ieee80211_free_node(ni); 1887 return (error); 1888 } 1889 1890 static int 1891 lkpi_sta_run_to_scan(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1892 { 1893 1894 return (lkpi_sta_run_to_init(vap, nstate, arg)); 1895 } 1896 1897 static int 1898 lkpi_sta_run_to_auth(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1899 { 1900 int error; 1901 1902 error = lkpi_sta_run_to_init(vap, nstate, arg); 1903 if (error != 0 && error != EALREADY) 1904 return (error); 1905 1906 /* At this point iv_bss is long a new node! */ 1907 1908 error |= lkpi_sta_scan_to_auth(vap, nstate, 0); 1909 return (error); 1910 } 1911 1912 /* -------------------------------------------------------------------------- */ 1913 1914 /* 1915 * The matches the documented state changes in net80211::sta_newstate(). 1916 * XXX (1) without CSA and SLEEP yet, * XXX (2) not all unhandled cases 1917 * there are "invalid" (so there is a room for failure here). 1918 */ 1919 struct fsm_state { 1920 /* INIT, SCAN, AUTH, ASSOC, CAC, RUN, CSA, SLEEP */ 1921 enum ieee80211_state ostate; 1922 enum ieee80211_state nstate; 1923 int (*handler)(struct ieee80211vap *, enum ieee80211_state, int); 1924 } sta_state_fsm[] = { 1925 { IEEE80211_S_INIT, IEEE80211_S_INIT, lkpi_sta_state_do_nada }, 1926 { IEEE80211_S_SCAN, IEEE80211_S_INIT, lkpi_sta_state_do_nada }, /* scan_to_init */ 1927 { IEEE80211_S_AUTH, IEEE80211_S_INIT, lkpi_sta_auth_to_init }, /* not explicitly in sta_newstate() */ 1928 { IEEE80211_S_ASSOC, IEEE80211_S_INIT, lkpi_sta_assoc_to_init }, /* Send DEAUTH. */ 1929 { IEEE80211_S_RUN, IEEE80211_S_INIT, lkpi_sta_run_to_init }, /* Send DISASSOC. */ 1930 1931 { IEEE80211_S_INIT, IEEE80211_S_SCAN, lkpi_sta_state_do_nada }, 1932 { IEEE80211_S_SCAN, IEEE80211_S_SCAN, lkpi_sta_state_do_nada }, 1933 { IEEE80211_S_AUTH, IEEE80211_S_SCAN, lkpi_sta_auth_to_scan }, 1934 { IEEE80211_S_ASSOC, IEEE80211_S_SCAN, lkpi_sta_assoc_to_scan }, 1935 { IEEE80211_S_RUN, IEEE80211_S_SCAN, lkpi_sta_run_to_scan }, /* Beacon miss. */ 1936 1937 { IEEE80211_S_INIT, IEEE80211_S_AUTH, lkpi_sta_scan_to_auth }, /* Send AUTH. */ 1938 { IEEE80211_S_SCAN, IEEE80211_S_AUTH, lkpi_sta_scan_to_auth }, /* Send AUTH. */ 1939 { IEEE80211_S_AUTH, IEEE80211_S_AUTH, lkpi_sta_a_to_a }, /* Send ?AUTH. */ 1940 { IEEE80211_S_ASSOC, IEEE80211_S_AUTH, lkpi_sta_assoc_to_auth }, /* Send ?AUTH. */ 1941 { IEEE80211_S_RUN, IEEE80211_S_AUTH, lkpi_sta_run_to_auth }, /* Send ?AUTH. */ 1942 1943 { IEEE80211_S_AUTH, IEEE80211_S_ASSOC, lkpi_sta_auth_to_assoc }, /* Send ASSOCREQ. */ 1944 { IEEE80211_S_ASSOC, IEEE80211_S_ASSOC, lkpi_sta_a_to_a }, /* Send ASSOCREQ. */ 1945 { IEEE80211_S_RUN, IEEE80211_S_ASSOC, lkpi_sta_run_to_assoc }, /* Send ASSOCREQ/REASSOCREQ. */ 1946 1947 { IEEE80211_S_AUTH, IEEE80211_S_RUN, lkpi_sta_auth_to_run }, 1948 { IEEE80211_S_ASSOC, IEEE80211_S_RUN, lkpi_sta_assoc_to_run }, 1949 { IEEE80211_S_RUN, IEEE80211_S_RUN, lkpi_sta_state_do_nada }, 1950 1951 /* Dummy at the end without handler. */ 1952 { IEEE80211_S_INIT, IEEE80211_S_INIT, NULL }, 1953 }; 1954 1955 static int 1956 lkpi_iv_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1957 { 1958 struct ieee80211com *ic; 1959 struct lkpi_hw *lhw; 1960 struct lkpi_vif *lvif; 1961 struct ieee80211_vif *vif; 1962 struct fsm_state *s; 1963 enum ieee80211_state ostate; 1964 int error; 1965 1966 ic = vap->iv_ic; 1967 IEEE80211_LOCK_ASSERT(ic); 1968 ostate = vap->iv_state; 1969 1970 if (debug_80211 & D80211_TRACE) 1971 ic_printf(vap->iv_ic, "%s:%d: vap %p nstate %#x arg %#x\n", 1972 __func__, __LINE__, vap, nstate, arg); 1973 1974 if (vap->iv_opmode == IEEE80211_M_STA) { 1975 1976 lhw = ic->ic_softc; 1977 lvif = VAP_TO_LVIF(vap); 1978 vif = LVIF_TO_VIF(lvif); 1979 1980 /* No need to replicate this in most state handlers. */ 1981 if (ostate == IEEE80211_S_SCAN && nstate != IEEE80211_S_SCAN) 1982 lkpi_stop_hw_scan(lhw, vif); 1983 1984 s = sta_state_fsm; 1985 1986 } else { 1987 ic_printf(vap->iv_ic, "%s: only station mode currently supported: " 1988 "cap %p iv_opmode %d\n", __func__, vap, vap->iv_opmode); 1989 return (ENOSYS); 1990 } 1991 1992 error = 0; 1993 for (; s->handler != NULL; s++) { 1994 if (ostate == s->ostate && nstate == s->nstate) { 1995 if (debug_80211 & D80211_TRACE) 1996 ic_printf(vap->iv_ic, "%s: new state %d (%s) ->" 1997 " %d (%s): arg %d.\n", __func__, 1998 ostate, ieee80211_state_name[ostate], 1999 nstate, ieee80211_state_name[nstate], arg); 2000 error = s->handler(vap, nstate, arg); 2001 break; 2002 } 2003 } 2004 IEEE80211_LOCK_ASSERT(vap->iv_ic); 2005 2006 if (s->handler == NULL) { 2007 IMPROVE("turn this into a KASSERT\n"); 2008 ic_printf(vap->iv_ic, "%s: unsupported state transition " 2009 "%d (%s) -> %d (%s)\n", __func__, 2010 ostate, ieee80211_state_name[ostate], 2011 nstate, ieee80211_state_name[nstate]); 2012 return (ENOSYS); 2013 } 2014 2015 if (error == EALREADY) { 2016 if (debug_80211 & D80211_TRACE) 2017 ic_printf(vap->iv_ic, "%s: state transition %d (%s) -> " 2018 "%d (%s): iv_newstate already handled: %d.\n", 2019 __func__, ostate, ieee80211_state_name[ostate], 2020 nstate, ieee80211_state_name[nstate], error); 2021 return (0); 2022 } 2023 2024 if (error != 0) { 2025 /* XXX-BZ currently expected so ignore. */ 2026 ic_printf(vap->iv_ic, "%s: error %d during state transition " 2027 "%d (%s) -> %d (%s)\n", __func__, error, 2028 ostate, ieee80211_state_name[ostate], 2029 nstate, ieee80211_state_name[nstate]); 2030 /* return (error); */ 2031 } 2032 2033 if (debug_80211 & D80211_TRACE) 2034 ic_printf(vap->iv_ic, "%s:%d: vap %p nstate %#x arg %#x " 2035 "calling net80211 parent\n", 2036 __func__, __LINE__, vap, nstate, arg); 2037 2038 return (lvif->iv_newstate(vap, nstate, arg)); 2039 } 2040 2041 /* -------------------------------------------------------------------------- */ 2042 2043 /* 2044 * We overload (*iv_update_bss) as otherwise we have cases in, e.g., 2045 * net80211::ieee80211_sta_join1() where vap->iv_bss gets replaced by a 2046 * new node without us knowing and thus our ni/lsta are out of sync. 2047 */ 2048 static struct ieee80211_node * 2049 lkpi_iv_update_bss(struct ieee80211vap *vap, struct ieee80211_node *ni) 2050 { 2051 struct lkpi_vif *lvif; 2052 struct ieee80211_node *obss; 2053 struct lkpi_sta *lsta; 2054 2055 lvif = VAP_TO_LVIF(vap); 2056 obss = vap->iv_bss; 2057 2058 /* Nothing to copy from. Just return. */ 2059 if (obss == NULL || obss->ni_drv_data == NULL) 2060 goto out; 2061 2062 /* Nothing to copy to. Just return. */ 2063 IMPROVE("clearing the obss might still be needed?"); 2064 if (ni == NULL) 2065 goto out; 2066 2067 /* Nothing changed? panic? */ 2068 if (obss == ni) 2069 goto out; 2070 2071 if (debug_80211 & D80211_TRACE) 2072 ic_printf(vap->iv_ic, "%s: obss %p ni_drv_data %p " 2073 "ni %p ni_drv_data %p\n", __func__, 2074 obss, (obss != NULL) ? obss->ni_drv_data : NULL, 2075 ni, (ni != NULL) ? ni->ni_drv_data : NULL); 2076 2077 lsta = obss->ni_drv_data; 2078 obss->ni_drv_data = ni->ni_drv_data; 2079 ni->ni_drv_data = lsta; 2080 if (lsta != NULL) 2081 lsta->ni = ni; 2082 lsta = obss->ni_drv_data; 2083 if (lsta != NULL) 2084 lsta->ni = obss; 2085 2086 out: 2087 return (lvif->iv_update_bss(vap, ni)); 2088 } 2089 2090 static int 2091 lkpi_ic_wme_update(struct ieee80211com *ic) 2092 { 2093 /* This needs queuing and go at the right moment. */ 2094 #ifdef WITH_WME_UPDATE 2095 struct ieee80211vap *vap; 2096 struct lkpi_hw *lhw; 2097 struct ieee80211_hw *hw; 2098 struct lkpi_vif *lvif; 2099 struct ieee80211_vif *vif; 2100 struct chanAccParams chp; 2101 struct wmeParams wmeparr[WME_NUM_AC]; 2102 struct ieee80211_tx_queue_params txqp; 2103 enum ieee80211_bss_changed changed; 2104 int error; 2105 uint16_t ac; 2106 #endif 2107 2108 IMPROVE(); 2109 KASSERT(WME_NUM_AC == IEEE80211_NUM_ACS, ("%s: WME_NUM_AC %d != " 2110 "IEEE80211_NUM_ACS %d\n", __func__, WME_NUM_AC, IEEE80211_NUM_ACS)); 2111 2112 #ifdef WITH_WME_UPDATE 2113 vap = TAILQ_FIRST(&ic->ic_vaps); 2114 if (vap == NULL) 2115 return (0); 2116 2117 /* We should factor this out into per-vap (*wme_update). */ 2118 lhw = ic->ic_softc; 2119 if (lhw->ops->conf_tx == NULL) 2120 return (0); 2121 2122 /* XXX-BZ check amount of hw queues */ 2123 hw = LHW_TO_HW(lhw); 2124 lvif = VAP_TO_LVIF(vap); 2125 vif = LVIF_TO_VIF(lvif); 2126 2127 ieee80211_wme_ic_getparams(ic, &chp); 2128 IEEE80211_LOCK(ic); 2129 for (ac = 0; ac < WME_NUM_AC; ac++) 2130 wmeparr[ac] = chp.cap_wmeParams[ac]; 2131 IEEE80211_UNLOCK(ic); 2132 2133 /* Configure tx queues (conf_tx) & send BSS_CHANGED_QOS. */ 2134 LKPI_80211_LHW_LOCK(lhw); 2135 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { 2136 struct wmeParams *wmep; 2137 2138 /* XXX-BZ should keep this in lvif? */ 2139 wmep = &wmeparr[ac]; 2140 bzero(&txqp, sizeof(txqp)); 2141 txqp.cw_min = wmep->wmep_logcwmin; 2142 txqp.cw_max = wmep->wmep_logcwmax; 2143 txqp.txop = wmep->wmep_txopLimit; 2144 txqp.aifs = wmep->wmep_aifsn; 2145 error = lkpi_80211_mo_conf_tx(hw, vif, ac, &txqp); 2146 if (error != 0) 2147 printf("%s: conf_tx ac %u failed %d\n", 2148 __func__, ac, error); 2149 } 2150 LKPI_80211_LHW_UNLOCK(lhw); 2151 changed = BSS_CHANGED_QOS; 2152 lkpi_80211_mo_bss_info_changed(hw, vif, &vif->bss_conf, changed); 2153 #endif 2154 2155 return (0); 2156 } 2157 2158 static struct ieee80211vap * 2159 lkpi_ic_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], 2160 int unit, enum ieee80211_opmode opmode, int flags, 2161 const uint8_t bssid[IEEE80211_ADDR_LEN], 2162 const uint8_t mac[IEEE80211_ADDR_LEN]) 2163 { 2164 struct lkpi_hw *lhw; 2165 struct ieee80211_hw *hw; 2166 struct lkpi_vif *lvif; 2167 struct ieee80211vap *vap; 2168 struct ieee80211_vif *vif; 2169 enum ieee80211_bss_changed changed; 2170 size_t len; 2171 int error; 2172 2173 if (!TAILQ_EMPTY(&ic->ic_vaps)) /* 1 so far. Add <n> once this works. */ 2174 return (NULL); 2175 2176 lhw = ic->ic_softc; 2177 hw = LHW_TO_HW(lhw); 2178 2179 len = sizeof(*lvif); 2180 len += hw->vif_data_size; /* vif->drv_priv */ 2181 2182 lvif = malloc(len, M_80211_VAP, M_WAITOK | M_ZERO); 2183 mtx_init(&lvif->mtx, "lvif", NULL, MTX_DEF); 2184 TAILQ_INIT(&lvif->lsta_head); 2185 vap = LVIF_TO_VAP(lvif); 2186 2187 vif = LVIF_TO_VIF(lvif); 2188 memcpy(vif->addr, mac, IEEE80211_ADDR_LEN); 2189 vif->p2p = false; 2190 vif->probe_req_reg = false; 2191 vif->type = lkpi_opmode_to_vif_type(opmode); 2192 lvif->wdev.iftype = vif->type; 2193 /* Need to fill in other fields as well. */ 2194 IMPROVE(); 2195 2196 /* XXX-BZ hardcoded for now! */ 2197 #if 1 2198 vif->chanctx_conf = NULL; 2199 vif->bss_conf.idle = true; 2200 vif->bss_conf.ps = false; 2201 vif->bss_conf.chandef.width = NL80211_CHAN_WIDTH_20_NOHT; 2202 vif->bss_conf.use_short_preamble = false; /* vap->iv_flags IEEE80211_F_SHPREAMBLE */ 2203 vif->bss_conf.use_short_slot = false; /* vap->iv_flags IEEE80211_F_SHSLOT */ 2204 vif->bss_conf.qos = false; 2205 vif->bss_conf.use_cts_prot = false; /* vap->iv_protmode */ 2206 vif->bss_conf.ht_operation_mode = IEEE80211_HT_OP_MODE_PROTECTION_NONE; 2207 vif->bss_conf.assoc = false; 2208 vif->bss_conf.aid = 0; 2209 #endif 2210 #if 0 2211 vif->bss_conf.dtim_period = 0; /* IEEE80211_DTIM_DEFAULT ; must stay 0. */ 2212 IEEE80211_ADDR_COPY(vif->bss_conf.bssid, bssid); 2213 vif->bss_conf.beacon_int = ic->ic_bintval; 2214 /* iwlwifi bug. */ 2215 if (vif->bss_conf.beacon_int < 16) 2216 vif->bss_conf.beacon_int = 16; 2217 #endif 2218 IMPROVE(); 2219 2220 error = lkpi_80211_mo_start(hw); 2221 if (error != 0) { 2222 printf("%s: failed to start hw: %d\n", __func__, error); 2223 mtx_destroy(&lvif->mtx); 2224 free(lvif, M_80211_VAP); 2225 return (NULL); 2226 } 2227 2228 error = lkpi_80211_mo_add_interface(hw, vif); 2229 if (error != 0) { 2230 IMPROVE(); /* XXX-BZ mo_stop()? */ 2231 printf("%s: failed to add interface: %d\n", __func__, error); 2232 mtx_destroy(&lvif->mtx); 2233 free(lvif, M_80211_VAP); 2234 return (NULL); 2235 } 2236 2237 LKPI_80211_LHW_LOCK(lhw); 2238 TAILQ_INSERT_TAIL(&lhw->lvif_head, lvif, lvif_entry); 2239 LKPI_80211_LHW_UNLOCK(lhw); 2240 2241 /* Set bss_info. */ 2242 changed = 0; 2243 lkpi_80211_mo_bss_info_changed(hw, vif, &vif->bss_conf, changed); 2244 2245 /* conf_tx setup; default WME? */ 2246 2247 /* Force MC init. */ 2248 lkpi_update_mcast_filter(ic, true); 2249 2250 IMPROVE(); 2251 2252 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid); 2253 2254 /* Override with LinuxKPI method so we can drive mac80211/cfg80211. */ 2255 lvif->iv_newstate = vap->iv_newstate; 2256 vap->iv_newstate = lkpi_iv_newstate; 2257 lvif->iv_update_bss = vap->iv_update_bss; 2258 vap->iv_update_bss = lkpi_iv_update_bss; 2259 2260 /* Key management. */ 2261 if (lhw->ops->set_key != NULL) { 2262 #ifdef TRY_HW_CRYPTO 2263 vap->iv_key_set = lkpi_iv_key_set; 2264 vap->iv_key_delete = lkpi_iv_key_delete; 2265 #endif 2266 } 2267 2268 ieee80211_ratectl_init(vap); 2269 2270 /* Complete setup. */ 2271 ieee80211_vap_attach(vap, ieee80211_media_change, 2272 ieee80211_media_status, mac); 2273 2274 if (hw->max_listen_interval == 0) 2275 hw->max_listen_interval = 7 * (ic->ic_lintval / ic->ic_bintval); 2276 hw->conf.listen_interval = hw->max_listen_interval; 2277 ic->ic_set_channel(ic); 2278 2279 /* XXX-BZ do we need to be able to update these? */ 2280 hw->wiphy->frag_threshold = vap->iv_fragthreshold; 2281 lkpi_80211_mo_set_frag_threshold(hw, vap->iv_fragthreshold); 2282 hw->wiphy->rts_threshold = vap->iv_rtsthreshold; 2283 lkpi_80211_mo_set_rts_threshold(hw, vap->iv_rtsthreshold); 2284 /* any others? */ 2285 IMPROVE(); 2286 2287 return (vap); 2288 } 2289 2290 static void 2291 lkpi_ic_vap_delete(struct ieee80211vap *vap) 2292 { 2293 struct ieee80211com *ic; 2294 struct lkpi_hw *lhw; 2295 struct ieee80211_hw *hw; 2296 struct lkpi_vif *lvif; 2297 struct ieee80211_vif *vif; 2298 2299 lvif = VAP_TO_LVIF(vap); 2300 vif = LVIF_TO_VIF(lvif); 2301 ic = vap->iv_ic; 2302 lhw = ic->ic_softc; 2303 hw = LHW_TO_HW(lhw); 2304 2305 LKPI_80211_LHW_LOCK(lhw); 2306 TAILQ_REMOVE(&lhw->lvif_head, lvif, lvif_entry); 2307 LKPI_80211_LHW_UNLOCK(lhw); 2308 lkpi_80211_mo_remove_interface(hw, vif); 2309 2310 ieee80211_ratectl_deinit(vap); 2311 ieee80211_vap_detach(vap); 2312 mtx_destroy(&lvif->mtx); 2313 free(lvif, M_80211_VAP); 2314 } 2315 2316 static void 2317 lkpi_ic_update_mcast(struct ieee80211com *ic) 2318 { 2319 2320 lkpi_update_mcast_filter(ic, false); 2321 TRACEOK(); 2322 } 2323 2324 static void 2325 lkpi_ic_update_promisc(struct ieee80211com *ic) 2326 { 2327 2328 UNIMPLEMENTED; 2329 } 2330 2331 static void 2332 lkpi_ic_update_chw(struct ieee80211com *ic) 2333 { 2334 2335 UNIMPLEMENTED; 2336 } 2337 2338 /* Start / stop device. */ 2339 static void 2340 lkpi_ic_parent(struct ieee80211com *ic) 2341 { 2342 struct lkpi_hw *lhw; 2343 struct ieee80211_hw *hw; 2344 int error; 2345 bool start_all; 2346 2347 IMPROVE(); 2348 2349 lhw = ic->ic_softc; 2350 hw = LHW_TO_HW(lhw); 2351 start_all = false; 2352 2353 if (ic->ic_nrunning > 0) { 2354 error = lkpi_80211_mo_start(hw); 2355 if (error == 0) 2356 start_all = true; 2357 } else { 2358 lkpi_80211_mo_stop(hw); 2359 } 2360 2361 if (start_all) 2362 ieee80211_start_all(ic); 2363 } 2364 2365 bool 2366 linuxkpi_ieee80211_is_ie_id_in_ie_buf(const u8 ie, const u8 *ie_ids, 2367 size_t ie_ids_len) 2368 { 2369 int i; 2370 2371 for (i = 0; i < ie_ids_len; i++) { 2372 if (ie == *ie_ids) 2373 return (true); 2374 } 2375 2376 return (false); 2377 } 2378 2379 /* Return true if skipped; false if error. */ 2380 bool 2381 linuxkpi_ieee80211_ie_advance(size_t *xp, const u8 *ies, size_t ies_len) 2382 { 2383 size_t x; 2384 uint8_t l; 2385 2386 x = *xp; 2387 2388 KASSERT(x < ies_len, ("%s: x %zu ies_len %zu ies %p\n", 2389 __func__, x, ies_len, ies)); 2390 l = ies[x + 1]; 2391 x += 2 + l; 2392 2393 if (x > ies_len) 2394 return (false); 2395 2396 *xp = x; 2397 return (true); 2398 } 2399 2400 static int 2401 lkpi_ieee80211_probereq_ie_alloc(struct ieee80211vap *vap, 2402 struct ieee80211com *ic, struct ieee80211_scan_ies *scan_ies, 2403 const uint8_t *ssid, size_t ssidlen) 2404 { 2405 2406 return (ieee80211_probereq_ie(vap, ic, 2407 &scan_ies->common_ies, &scan_ies->common_ie_len, 2408 ssid, ssidlen, true)); 2409 } 2410 2411 static void 2412 lkpi_ic_scan_start(struct ieee80211com *ic) 2413 { 2414 struct lkpi_hw *lhw; 2415 struct ieee80211_hw *hw; 2416 struct lkpi_vif *lvif; 2417 struct ieee80211_vif *vif; 2418 struct ieee80211_scan_state *ss; 2419 struct ieee80211vap *vap; 2420 int error; 2421 2422 lhw = ic->ic_softc; 2423 if ((lhw->scan_flags & LKPI_SCAN_RUNNING) != 0) { 2424 /* A scan is still running. */ 2425 return; 2426 } 2427 2428 ss = ic->ic_scan; 2429 vap = ss->ss_vap; 2430 if (vap->iv_state != IEEE80211_S_SCAN) { 2431 IMPROVE("We need to be able to scan if not in S_SCAN"); 2432 return; 2433 } 2434 2435 hw = LHW_TO_HW(lhw); 2436 if ((ic->ic_flags_ext & IEEE80211_FEXT_SCAN_OFFLOAD) == 0) { 2437 sw_scan: 2438 lvif = VAP_TO_LVIF(vap); 2439 vif = LVIF_TO_VIF(lvif); 2440 2441 if (vap->iv_state == IEEE80211_S_SCAN) 2442 lkpi_hw_conf_idle(hw, false); 2443 2444 lkpi_80211_mo_sw_scan_start(hw, vif, vif->addr); 2445 /* net80211::scan_start() handled PS for us. */ 2446 IMPROVE(); 2447 /* XXX Also means it is too late to flush queues? 2448 * need to check iv_sta_ps or overload? */ 2449 /* XXX want to adjust ss end time/ maxdwell? */ 2450 2451 } else { 2452 struct ieee80211_channel *c; 2453 struct ieee80211_scan_request *hw_req; 2454 struct linuxkpi_ieee80211_channel *lc, **cpp; 2455 struct cfg80211_ssid *ssids; 2456 struct cfg80211_scan_6ghz_params *s6gp; 2457 size_t chan_len, nchan, ssids_len, s6ghzlen; 2458 int i; 2459 2460 ssids_len = ss->ss_nssid * sizeof(*ssids);; 2461 s6ghzlen = 0 * (sizeof(*s6gp)); /* XXX-BZ */ 2462 2463 nchan = 0; 2464 for (i = ss->ss_next; i < ss->ss_last; i++) 2465 nchan++; 2466 chan_len = nchan * (sizeof(lc) + sizeof(*lc)); 2467 2468 KASSERT(lhw->hw_req == NULL, ("%s: ic %p lhw %p hw_req %p " 2469 "!= NULL\n", __func__, ic, lhw, lhw->hw_req)); 2470 lhw->hw_req = hw_req = malloc(sizeof(*hw_req) + ssids_len + 2471 s6ghzlen + chan_len, M_LKPI80211, M_WAITOK | M_ZERO); 2472 2473 error = lkpi_ieee80211_probereq_ie_alloc(vap, ic, 2474 &hw_req->ies, NULL, -1); 2475 if (error != 0) 2476 ic_printf(ic, "ERROR: %s: probereq_ie returned %d\n", 2477 __func__, error); 2478 2479 hw_req->req.flags = 0; /* XXX ??? */ 2480 /* hw_req->req.wdev */ 2481 hw_req->req.wiphy = hw->wiphy; 2482 hw_req->req.no_cck = false; /* XXX */ 2483 #if 0 2484 /* This seems to pessimise default scanning behaviour. */ 2485 hw_req->req.duration_mandatory = TICKS_2_USEC(ss->ss_mindwell); 2486 hw_req->req.duration = TICKS_2_USEC(ss->ss_maxdwell); 2487 #endif 2488 #ifdef __notyet__ 2489 hw_req->req.flags |= NL80211_SCAN_FLAG_RANDOM_ADDR; 2490 memcpy(hw_req->req.mac_addr, xxx, IEEE80211_ADDR_LEN); 2491 memset(hw_req->req.mac_addr_mask, 0xxx, IEEE80211_ADDR_LEN); 2492 #endif 2493 #if 0 2494 hw_req->req.ie_len = ; 2495 hw_req->req.ie = ; 2496 #endif 2497 #if 0 2498 hw->wiphy->max_scan_ie_len 2499 hw->wiphy->max_scan_ssids 2500 #endif 2501 2502 hw_req->req.n_channels = nchan; 2503 cpp = (struct linuxkpi_ieee80211_channel **)(hw_req + 1); 2504 lc = (struct linuxkpi_ieee80211_channel *)(cpp + nchan); 2505 for (i = 0; i < nchan; i++) { 2506 *(cpp + i) = 2507 (struct linuxkpi_ieee80211_channel *)(lc + i); 2508 } 2509 for (i = 0; i < nchan; i++) { 2510 c = ss->ss_chans[ss->ss_next + i]; 2511 2512 lc->hw_value = c->ic_ieee; 2513 lc->center_freq = c->ic_freq; 2514 /* lc->flags */ 2515 lc->band = lkpi_net80211_chan_to_nl80211_band(c); 2516 lc->max_power = c->ic_maxpower; 2517 /* lc-> ... */ 2518 lc++; 2519 } 2520 2521 hw_req->req.n_ssids = ss->ss_nssid; 2522 if (hw_req->req.n_ssids > 0) { 2523 ssids = (struct cfg80211_ssid *)lc; 2524 hw_req->req.ssids = ssids; 2525 for (i = 0; i < ss->ss_nssid; i++) { 2526 ssids->ssid_len = ss->ss_ssid[i].len; 2527 memcpy(ssids->ssid, ss->ss_ssid[i].ssid, 2528 ss->ss_ssid[i].len); 2529 ssids++; 2530 } 2531 s6gp = (struct cfg80211_scan_6ghz_params *)ssids; 2532 } else { 2533 s6gp = (struct cfg80211_scan_6ghz_params *)lc; 2534 } 2535 2536 /* 6GHz one day. */ 2537 hw_req->req.n_6ghz_params = 0; 2538 hw_req->req.scan_6ghz_params = NULL; 2539 hw_req->req.scan_6ghz = false; /* Weird boolean; not what you think. */ 2540 /* s6gp->... */ 2541 2542 lvif = VAP_TO_LVIF(vap); 2543 vif = LVIF_TO_VIF(lvif); 2544 error = lkpi_80211_mo_hw_scan(hw, vif, hw_req); 2545 if (error != 0) { 2546 free(hw_req->ies.common_ies, M_80211_VAP); 2547 free(hw_req, M_LKPI80211); 2548 lhw->hw_req = NULL; 2549 2550 /* 2551 * XXX-SIGH magic number. 2552 * rtw88 has a magic "return 1" if offloading scan is 2553 * not possible. Fall back to sw scan in that case. 2554 */ 2555 if (error == 1) 2556 goto sw_scan; 2557 2558 ic_printf(ic, "ERROR: %s: hw_scan returned %d\n", 2559 __func__, error); 2560 ieee80211_cancel_scan(vap); 2561 } 2562 } 2563 } 2564 2565 static void 2566 lkpi_ic_scan_end(struct ieee80211com *ic) 2567 { 2568 struct lkpi_hw *lhw; 2569 2570 lhw = ic->ic_softc; 2571 if ((lhw->scan_flags & LKPI_SCAN_RUNNING) == 0) { 2572 return; 2573 } 2574 2575 if (ic->ic_flags_ext & IEEE80211_FEXT_SCAN_OFFLOAD) { 2576 /* Nothing to do. */ 2577 } else { 2578 struct ieee80211_hw *hw; 2579 struct lkpi_vif *lvif; 2580 struct ieee80211_vif *vif; 2581 struct ieee80211_scan_state *ss; 2582 struct ieee80211vap *vap; 2583 2584 hw = LHW_TO_HW(lhw); 2585 ss = ic->ic_scan; 2586 vap = ss->ss_vap; 2587 lvif = VAP_TO_LVIF(vap); 2588 vif = LVIF_TO_VIF(lvif); 2589 lkpi_80211_mo_sw_scan_complete(hw, vif); 2590 2591 /* Send PS to stop buffering if n80211 does not for us? */ 2592 2593 if (vap->iv_state == IEEE80211_S_SCAN) 2594 lkpi_hw_conf_idle(hw, true); 2595 } 2596 } 2597 2598 static void 2599 lkpi_ic_scan_curchan_nada(struct ieee80211_scan_state *ss __unused, 2600 unsigned long maxdwell __unused) 2601 { 2602 } 2603 2604 static void 2605 lkpi_ic_set_channel(struct ieee80211com *ic) 2606 { 2607 struct lkpi_hw *lhw; 2608 struct ieee80211_hw *hw; 2609 int error; 2610 2611 lhw = ic->ic_softc; 2612 #ifdef __no_longer__ 2613 /* For now only be concerned if scanning. */ 2614 if ((lhw->scan_flags & LKPI_SCAN_RUNNING) == 0) { 2615 IMPROVE(); 2616 return; 2617 } 2618 #endif 2619 2620 if (ic->ic_flags_ext & IEEE80211_FEXT_SCAN_OFFLOAD) { 2621 /* 2622 * AP scanning is taken care of by firmware, so only switch 2623 * channels in monitor mode (maybe, maybe not; to be 2624 * investigated at the right time). 2625 */ 2626 if (ic->ic_opmode == IEEE80211_M_MONITOR) { 2627 UNIMPLEMENTED; 2628 } 2629 } else { 2630 struct ieee80211_channel *c = ic->ic_curchan; 2631 struct linuxkpi_ieee80211_channel *chan; 2632 struct cfg80211_chan_def chandef; 2633 2634 if (c == NULL || c == IEEE80211_CHAN_ANYC || 2635 lhw->ops->config == NULL) { 2636 ic_printf(ic, "%s: c %p ops->config %p\n", __func__, 2637 c, lhw->ops->config); 2638 return; 2639 } 2640 2641 chan = lkpi_find_lkpi80211_chan(lhw, c); 2642 if (chan == NULL) { 2643 ic_printf(ic, "%s: c %p chan %p\n", __func__, 2644 c, chan); 2645 return; 2646 } 2647 2648 memset(&chandef, 0, sizeof(chandef)); 2649 chandef.chan = chan; 2650 chandef.width = NL80211_CHAN_WIDTH_20_NOHT; 2651 chandef.center_freq1 = chandef.chan->center_freq; 2652 2653 /* XXX max power for scanning? */ 2654 IMPROVE(); 2655 2656 hw = LHW_TO_HW(lhw); 2657 hw->conf.chandef = chandef; 2658 2659 error = lkpi_80211_mo_config(hw, IEEE80211_CONF_CHANGE_CHANNEL); 2660 if (error != 0 && error != EOPNOTSUPP) { 2661 ic_printf(ic, "ERROR: %s: config %#0x returned %d\n", 2662 __func__, IEEE80211_CONF_CHANGE_CHANNEL, error); 2663 /* XXX should we unroll to the previous chandef? */ 2664 IMPROVE(); 2665 } else { 2666 /* Update radiotap channels as well. */ 2667 lhw->rtap_tx.wt_chan_freq = htole16(c->ic_freq); 2668 lhw->rtap_tx.wt_chan_flags = htole16(c->ic_flags); 2669 lhw->rtap_rx.wr_chan_freq = htole16(c->ic_freq); 2670 lhw->rtap_rx.wr_chan_flags = htole16(c->ic_flags); 2671 } 2672 2673 /* Currently PS is hard coded off! Not sure it belongs here. */ 2674 IMPROVE(); 2675 if (ieee80211_hw_check(hw, SUPPORTS_PS) && 2676 (hw->conf.flags & IEEE80211_CONF_PS) != 0) { 2677 hw->conf.flags &= ~IEEE80211_CONF_PS; 2678 error = lkpi_80211_mo_config(hw, IEEE80211_CONF_CHANGE_PS); 2679 if (error != 0 && error != EOPNOTSUPP) 2680 ic_printf(ic, "ERROR: %s: config %#0x returned " 2681 "%d\n", __func__, IEEE80211_CONF_CHANGE_PS, 2682 error); 2683 } 2684 } 2685 } 2686 2687 static struct ieee80211_node * 2688 lkpi_ic_node_alloc(struct ieee80211vap *vap, 2689 const uint8_t mac[IEEE80211_ADDR_LEN]) 2690 { 2691 struct ieee80211com *ic; 2692 struct lkpi_hw *lhw; 2693 struct ieee80211_node *ni; 2694 struct ieee80211_hw *hw; 2695 struct lkpi_sta *lsta; 2696 2697 ic = vap->iv_ic; 2698 lhw = ic->ic_softc; 2699 2700 /* We keep allocations de-coupled so we can deal with the two worlds. */ 2701 if (lhw->ic_node_alloc == NULL) 2702 return (NULL); 2703 2704 ni = lhw->ic_node_alloc(vap, mac); 2705 if (ni == NULL) 2706 return (NULL); 2707 2708 hw = LHW_TO_HW(lhw); 2709 lsta = lkpi_lsta_alloc(vap, mac, hw, ni); 2710 if (lsta == NULL) { 2711 if (lhw->ic_node_free != NULL) 2712 lhw->ic_node_free(ni); 2713 return (NULL); 2714 } 2715 2716 return (ni); 2717 } 2718 2719 static int 2720 lkpi_ic_node_init(struct ieee80211_node *ni) 2721 { 2722 struct ieee80211com *ic; 2723 struct lkpi_hw *lhw; 2724 struct lkpi_sta *lsta; 2725 struct lkpi_vif *lvif; 2726 int error; 2727 2728 ic = ni->ni_ic; 2729 lhw = ic->ic_softc; 2730 2731 if (lhw->ic_node_init != NULL) { 2732 error = lhw->ic_node_init(ni); 2733 if (error != 0) 2734 return (error); 2735 } 2736 2737 lvif = VAP_TO_LVIF(ni->ni_vap); 2738 2739 lsta = ni->ni_drv_data; 2740 2741 /* Now take the reference before linking it to the table. */ 2742 lsta->ni = ieee80211_ref_node(ni); 2743 2744 LKPI_80211_LVIF_LOCK(lvif); 2745 TAILQ_INSERT_TAIL(&lvif->lsta_head, lsta, lsta_entry); 2746 LKPI_80211_LVIF_UNLOCK(lvif); 2747 2748 /* XXX-BZ Sync other state over. */ 2749 IMPROVE(); 2750 2751 return (0); 2752 } 2753 2754 static void 2755 lkpi_ic_node_cleanup(struct ieee80211_node *ni) 2756 { 2757 struct ieee80211com *ic; 2758 struct lkpi_hw *lhw; 2759 2760 ic = ni->ni_ic; 2761 lhw = ic->ic_softc; 2762 2763 /* XXX-BZ remove from driver, ... */ 2764 IMPROVE(); 2765 2766 if (lhw->ic_node_cleanup != NULL) 2767 lhw->ic_node_cleanup(ni); 2768 } 2769 2770 static void 2771 lkpi_ic_node_free(struct ieee80211_node *ni) 2772 { 2773 struct ieee80211com *ic; 2774 struct lkpi_hw *lhw; 2775 struct lkpi_sta *lsta; 2776 2777 ic = ni->ni_ic; 2778 lhw = ic->ic_softc; 2779 lsta = ni->ni_drv_data; 2780 if (lsta == NULL) 2781 goto out; 2782 2783 /* XXX-BZ free resources, ... */ 2784 IMPROVE(); 2785 2786 /* Flush mbufq (make sure to release ni refs!). */ 2787 #ifdef __notyet__ 2788 KASSERT(mbufq_len(&lsta->txq) == 0, ("%s: lsta %p has txq len %d != 0\n", 2789 __func__, lsta, mbufq_len(&lsta->txq))); 2790 #endif 2791 /* Drain taskq. */ 2792 2793 /* Drain sta->txq[] */ 2794 mtx_destroy(&lsta->txq_mtx); 2795 2796 /* Remove lsta if added_to_drv. */ 2797 /* Remove lsta from vif */ 2798 2799 /* remove ref from lsta node... */ 2800 2801 /* Free lsta. */ 2802 2803 out: 2804 if (lhw->ic_node_free != NULL) 2805 lhw->ic_node_free(ni); 2806 } 2807 2808 static int 2809 lkpi_ic_raw_xmit(struct ieee80211_node *ni, struct mbuf *m, 2810 const struct ieee80211_bpf_params *params __unused) 2811 { 2812 struct lkpi_sta *lsta; 2813 2814 lsta = ni->ni_drv_data; 2815 2816 /* Queue the packet and enqueue the task to handle it. */ 2817 LKPI_80211_LSTA_LOCK(lsta); 2818 mbufq_enqueue(&lsta->txq, m); 2819 LKPI_80211_LSTA_UNLOCK(lsta); 2820 2821 if (debug_80211 & D80211_TRACE_TX) 2822 printf("%s:%d lsta %p ni %p %6D mbuf_qlen %d\n", 2823 __func__, __LINE__, lsta, ni, ni->ni_macaddr, ":", 2824 mbufq_len(&lsta->txq)); 2825 2826 taskqueue_enqueue(taskqueue_thread, &lsta->txq_task); 2827 return (0); 2828 } 2829 2830 static void 2831 lkpi_80211_txq_tx_one(struct lkpi_sta *lsta, struct mbuf *m) 2832 { 2833 struct ieee80211_node *ni; 2834 struct ieee80211_frame *wh; 2835 struct ieee80211_key *k; 2836 struct sk_buff *skb; 2837 struct ieee80211com *ic; 2838 struct lkpi_hw *lhw; 2839 struct ieee80211_hw *hw; 2840 struct lkpi_vif *lvif; 2841 struct ieee80211_vif *vif; 2842 struct ieee80211_channel *c; 2843 struct ieee80211_tx_control control; 2844 struct ieee80211_tx_info *info; 2845 struct ieee80211_sta *sta; 2846 void *buf; 2847 int ac; 2848 2849 M_ASSERTPKTHDR(m); 2850 #ifdef LINUXKPI_DEBUG_80211 2851 if (debug_80211 & D80211_TRACE_TX_DUMP) 2852 hexdump(mtod(m, const void *), m->m_len, "RAW TX (plain) ", 0); 2853 #endif 2854 2855 ni = lsta->ni; 2856 #ifndef TRY_HW_CRYPTO 2857 /* Encrypt the frame if need be; XXX-BZ info->control.hw_key. */ 2858 wh = mtod(m, struct ieee80211_frame *); 2859 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED) { 2860 /* Retrieve key for TX && do software encryption. */ 2861 k = ieee80211_crypto_encap(ni, m); 2862 if (k == NULL) { 2863 ieee80211_free_node(ni); 2864 m_freem(m); 2865 return; 2866 } 2867 } 2868 #endif 2869 2870 ic = ni->ni_ic; 2871 lhw = ic->ic_softc; 2872 hw = LHW_TO_HW(lhw); 2873 c = ni->ni_chan; 2874 2875 if (ieee80211_radiotap_active_vap(ni->ni_vap)) { 2876 struct lkpi_radiotap_tx_hdr *rtap; 2877 2878 rtap = &lhw->rtap_tx; 2879 rtap->wt_flags = 0; 2880 if (k != NULL) 2881 rtap->wt_flags |= IEEE80211_RADIOTAP_F_WEP; 2882 if (m->m_flags & M_FRAG) 2883 rtap->wt_flags |= IEEE80211_RADIOTAP_F_FRAG; 2884 IMPROVE(); 2885 rtap->wt_rate = 0; 2886 if (c != NULL && c != IEEE80211_CHAN_ANYC) { 2887 rtap->wt_chan_freq = htole16(c->ic_freq); 2888 rtap->wt_chan_flags = htole16(c->ic_flags); 2889 } 2890 2891 ieee80211_radiotap_tx(ni->ni_vap, m); 2892 } 2893 2894 /* 2895 * net80211 should handle hw->extra_tx_headroom. 2896 * Though for as long as we are copying we don't mind. 2897 * XXX-BZ rtw88 asks for too much headroom for ipv6+tcp: 2898 * https://lists.freebsd.org/archives/freebsd-transport/2022-February/000012.html 2899 */ 2900 skb = dev_alloc_skb(hw->extra_tx_headroom + m->m_pkthdr.len); 2901 if (skb == NULL) { 2902 printf("XXX ERROR %s: skb alloc failed\n", __func__); 2903 ieee80211_free_node(ni); 2904 m_freem(m); 2905 return; 2906 } 2907 skb_reserve(skb, hw->extra_tx_headroom); 2908 2909 /* XXX-BZ we need a SKB version understanding mbuf. */ 2910 /* Save the mbuf for ieee80211_tx_complete(). */ 2911 skb->m_free_func = lkpi_ieee80211_free_skb_mbuf; 2912 skb->m = m; 2913 #if 0 2914 skb_put_data(skb, m->m_data, m->m_pkthdr.len); 2915 #else 2916 buf = skb_put(skb, m->m_pkthdr.len); 2917 m_copydata(m, 0, m->m_pkthdr.len, buf); 2918 #endif 2919 /* Save the ni. */ 2920 m->m_pkthdr.PH_loc.ptr = ni; 2921 2922 lvif = VAP_TO_LVIF(ni->ni_vap); 2923 vif = LVIF_TO_VIF(lvif); 2924 2925 /* XXX-BZ review this at some point [4] vs. [8] vs. [16](TID). */ 2926 ac = M_WME_GETAC(m); 2927 skb->priority = WME_AC_TO_TID(ac); 2928 ac = lkpi_ac_net_to_l80211(ac); 2929 skb_set_queue_mapping(skb, ac); 2930 2931 info = IEEE80211_SKB_CB(skb); 2932 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS; 2933 /* Slight delay; probably only happens on scanning so fine? */ 2934 if (c == NULL || c == IEEE80211_CHAN_ANYC) 2935 c = ic->ic_curchan; 2936 info->band = lkpi_net80211_chan_to_nl80211_band(c); 2937 info->hw_queue = ac; /* XXX-BZ is this correct? */ 2938 if (m->m_flags & M_EAPOL) 2939 info->control.flags |= IEEE80211_TX_CTRL_PORT_CTRL_PROTO; 2940 info->control.vif = vif; 2941 /* XXX-BZ info->control.rates */ 2942 2943 lsta = lkpi_find_lsta_by_ni(lvif, ni); 2944 if (lsta != NULL) { 2945 sta = LSTA_TO_STA(lsta); 2946 #ifdef TRY_HW_CRYPTO 2947 info->control.hw_key = lsta->kc; 2948 #endif 2949 } else { 2950 sta = NULL; 2951 } 2952 2953 IMPROVE(); 2954 2955 if (sta != NULL) { 2956 struct lkpi_txq *ltxq; 2957 2958 ltxq = TXQ_TO_LTXQ(sta->txq[ac]); /* XXX-BZ re-check */ 2959 /* 2960 * We currently do not use queues but do direct TX. 2961 * The exception to the rule is initial packets, as we cannot 2962 * TX until queues are allocated (at least for iwlwifi). 2963 * So we wake_tx_queue in newstate and register any dequeue 2964 * calls. In the time until then we queue packets and 2965 * let the driver deal with them. 2966 */ 2967 if (!ltxq->seen_dequeue) { 2968 2969 /* Prevent an ordering problem, likely other issues. */ 2970 while (!skb_queue_empty(<xq->skbq)) { 2971 struct sk_buff *skb2; 2972 2973 skb2 = skb_dequeue(<xq->skbq); 2974 if (skb2 != NULL) { 2975 memset(&control, 0, sizeof(control)); 2976 control.sta = sta; 2977 lkpi_80211_mo_tx(hw, &control, skb2); 2978 } 2979 } 2980 goto ops_tx; 2981 } 2982 if (0 && ltxq->seen_dequeue && skb_queue_empty(<xq->skbq)) 2983 goto ops_tx; 2984 2985 skb_queue_tail(<xq->skbq, skb); 2986 if (debug_80211 & D80211_TRACE_TX) 2987 printf("%s:%d lsta %p sta %p ni %p %6D skb %p lxtq %p " 2988 "qlen %u WAKE_TX_Q ac %d prio %u qmap %u\n", 2989 __func__, __LINE__, lsta, sta, ni, 2990 ni->ni_macaddr, ":", skb, ltxq, 2991 skb_queue_len(<xq->skbq), ac, 2992 skb->priority, skb->qmap); 2993 lkpi_80211_mo_wake_tx_queue(hw, sta->txq[ac]); /* XXX-BZ */ 2994 return; 2995 } 2996 2997 ops_tx: 2998 if (debug_80211 & D80211_TRACE_TX) 2999 printf("%s:%d lsta %p sta %p ni %p %6D skb %p TX ac %d prio %u qmap %u\n", 3000 __func__, __LINE__, lsta, sta, ni, ni->ni_macaddr, ":", 3001 skb, ac, skb->priority, skb->qmap); 3002 memset(&control, 0, sizeof(control)); 3003 control.sta = sta; 3004 3005 lkpi_80211_mo_tx(hw, &control, skb); 3006 return; 3007 } 3008 3009 static void 3010 lkpi_80211_txq_task(void *ctx, int pending) 3011 { 3012 struct lkpi_sta *lsta; 3013 struct ieee80211_node *ni; 3014 struct mbufq mq; 3015 struct mbuf *m; 3016 3017 lsta = ctx; 3018 ni = lsta->ni; 3019 3020 if (debug_80211 & D80211_TRACE_TX) 3021 printf("%s:%d lsta %p ni %p %6D pending %d mbuf_qlen %d\n", 3022 __func__, __LINE__, lsta, ni, ni->ni_macaddr, ":", 3023 pending, mbufq_len(&lsta->txq)); 3024 3025 mbufq_init(&mq, IFQ_MAXLEN); 3026 3027 LKPI_80211_LSTA_LOCK(lsta); 3028 mbufq_concat(&mq, &lsta->txq); 3029 LKPI_80211_LSTA_UNLOCK(lsta); 3030 3031 m = mbufq_dequeue(&mq); 3032 while (m != NULL) { 3033 lkpi_80211_txq_tx_one(lsta, m); 3034 m = mbufq_dequeue(&mq); 3035 } 3036 } 3037 3038 static int 3039 lkpi_ic_transmit(struct ieee80211com *ic, struct mbuf *m) 3040 { 3041 3042 /* XXX TODO */ 3043 IMPROVE(); 3044 3045 /* Quick and dirty cheating hack. */ 3046 struct ieee80211_node *ni; 3047 3048 ni = (struct ieee80211_node *)m->m_pkthdr.rcvif; 3049 return (lkpi_ic_raw_xmit(ni, m, NULL)); 3050 } 3051 3052 static void 3053 lkpi_ic_getradiocaps(struct ieee80211com *ic, int maxchan, 3054 int *n, struct ieee80211_channel *c) 3055 { 3056 struct lkpi_hw *lhw; 3057 struct ieee80211_hw *hw; 3058 struct linuxkpi_ieee80211_channel *channels; 3059 uint8_t bands[IEEE80211_MODE_BYTES]; 3060 int chan_flags, error, i, nchans; 3061 3062 /* Channels */ 3063 lhw = ic->ic_softc; 3064 hw = LHW_TO_HW(lhw); 3065 3066 /* NL80211_BAND_2GHZ */ 3067 nchans = 0; 3068 if (hw->wiphy->bands[NL80211_BAND_2GHZ] != NULL) 3069 nchans = hw->wiphy->bands[NL80211_BAND_2GHZ]->n_channels; 3070 if (nchans > 0) { 3071 memset(bands, 0, sizeof(bands)); 3072 chan_flags = 0; 3073 setbit(bands, IEEE80211_MODE_11B); 3074 /* XXX-BZ unclear how to check for 11g. */ 3075 setbit(bands, IEEE80211_MODE_11G); 3076 #ifdef __notyet__ 3077 if (hw->wiphy->bands[NL80211_BAND_2GHZ]->ht_cap.ht_supported) { 3078 setbit(bands, IEEE80211_MODE_11NG); 3079 chan_flags |= NET80211_CBW_FLAG_HT40; 3080 } 3081 #endif 3082 3083 channels = hw->wiphy->bands[NL80211_BAND_2GHZ]->channels; 3084 for (i = 0; i < nchans && *n < maxchan; i++) { 3085 uint32_t nflags = 0; 3086 int cflags = chan_flags; 3087 3088 if (channels[i].flags & IEEE80211_CHAN_DISABLED) { 3089 printf("%s: %s: Skipping disabled chan " 3090 "[%u/%u/%#x]\n", ic->ic_name, __func__, 3091 channels[i].hw_value, 3092 channels[i].center_freq, channels[i].flags); 3093 continue; 3094 } 3095 if (channels[i].flags & IEEE80211_CHAN_NO_IR) 3096 nflags |= (IEEE80211_CHAN_NOADHOC|IEEE80211_CHAN_PASSIVE); 3097 if (channels[i].flags & IEEE80211_CHAN_RADAR) 3098 nflags |= IEEE80211_CHAN_DFS; 3099 if (channels[i].flags & IEEE80211_CHAN_NO_160MHZ) 3100 cflags &= ~(NET80211_CBW_FLAG_VHT160|NET80211_CBW_FLAG_VHT80P80); 3101 if (channels[i].flags & IEEE80211_CHAN_NO_80MHZ) 3102 cflags &= ~NET80211_CBW_FLAG_VHT80; 3103 /* XXX how to map the remaining enum ieee80211_channel_flags? */ 3104 if (channels[i].flags & IEEE80211_CHAN_NO_HT40) 3105 cflags &= ~NET80211_CBW_FLAG_HT40; 3106 3107 error = ieee80211_add_channel_cbw(c, maxchan, n, 3108 channels[i].hw_value, channels[i].center_freq, 3109 channels[i].max_power, 3110 nflags, bands, chan_flags); 3111 /* net80211::ENOBUFS: *n >= maxchans */ 3112 if (error != 0 && error != ENOBUFS) 3113 printf("%s: %s: Adding chan %u/%u/%#x/%#x/%#x/%#x " 3114 "returned error %d\n", ic->ic_name, 3115 __func__, channels[i].hw_value, 3116 channels[i].center_freq, channels[i].flags, 3117 nflags, chan_flags, cflags, error); 3118 if (error != 0) 3119 break; 3120 } 3121 } 3122 3123 /* NL80211_BAND_5GHZ */ 3124 nchans = 0; 3125 if (hw->wiphy->bands[NL80211_BAND_5GHZ] != NULL) 3126 nchans = hw->wiphy->bands[NL80211_BAND_5GHZ]->n_channels; 3127 if (nchans > 0) { 3128 memset(bands, 0, sizeof(bands)); 3129 chan_flags = 0; 3130 setbit(bands, IEEE80211_MODE_11A); 3131 #ifdef __not_yet__ 3132 if (hw->wiphy->bands[NL80211_BAND_5GHZ]->ht_cap.ht_supported) { 3133 setbit(bands, IEEE80211_MODE_11NA); 3134 chan_flags |= NET80211_CBW_FLAG_HT40; 3135 } 3136 if (hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.vht_supported){ 3137 3138 ic->ic_flags_ext |= IEEE80211_FEXT_VHT; 3139 ic->ic_vhtcaps = 3140 hw->wiphy->bands[NL80211_BAND_5GHZ]->vht_cap.cap; 3141 3142 setbit(bands, IEEE80211_MODE_VHT_5GHZ); 3143 chan_flags |= NET80211_CBW_FLAG_VHT80; 3144 if (IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160MHZ( 3145 ic->ic_vhtcaps)) 3146 chan_flags |= NET80211_CBW_FLAG_VHT160; 3147 if (IEEE80211_VHTCAP_SUPP_CHAN_WIDTH_IS_160_80P80MHZ( 3148 ic->ic_vhtcaps)) 3149 chan_flags |= NET80211_CBW_FLAG_VHT80P80; 3150 } 3151 #endif 3152 3153 channels = hw->wiphy->bands[NL80211_BAND_5GHZ]->channels; 3154 for (i = 0; i < nchans && *n < maxchan; i++) { 3155 uint32_t nflags = 0; 3156 int cflags = chan_flags; 3157 3158 if (channels[i].flags & IEEE80211_CHAN_DISABLED) { 3159 printf("%s: %s: Skipping disabled chan " 3160 "[%u/%u/%#x]\n", ic->ic_name, __func__, 3161 channels[i].hw_value, 3162 channels[i].center_freq, channels[i].flags); 3163 continue; 3164 } 3165 if (channels[i].flags & IEEE80211_CHAN_NO_IR) 3166 nflags |= (IEEE80211_CHAN_NOADHOC|IEEE80211_CHAN_PASSIVE); 3167 if (channels[i].flags & IEEE80211_CHAN_RADAR) 3168 nflags |= IEEE80211_CHAN_DFS; 3169 if (channels[i].flags & IEEE80211_CHAN_NO_160MHZ) 3170 cflags &= ~(NET80211_CBW_FLAG_VHT160|NET80211_CBW_FLAG_VHT80P80); 3171 if (channels[i].flags & IEEE80211_CHAN_NO_80MHZ) 3172 cflags &= ~NET80211_CBW_FLAG_VHT80; 3173 /* XXX hwo to map the remaining enum ieee80211_channel_flags? */ 3174 if (channels[i].flags & IEEE80211_CHAN_NO_HT40) 3175 cflags &= ~NET80211_CBW_FLAG_HT40; 3176 3177 error = ieee80211_add_channel_cbw(c, maxchan, n, 3178 channels[i].hw_value, channels[i].center_freq, 3179 channels[i].max_power, 3180 nflags, bands, chan_flags); 3181 /* net80211::ENOBUFS: *n >= maxchans */ 3182 if (error != 0 && error != ENOBUFS) 3183 printf("%s: %s: Adding chan %u/%u/%#x/%#x/%#x/%#x " 3184 "returned error %d\n", ic->ic_name, 3185 __func__, channels[i].hw_value, 3186 channels[i].center_freq, channels[i].flags, 3187 nflags, chan_flags, cflags, error); 3188 if (error != 0) 3189 break; 3190 } 3191 } 3192 } 3193 3194 static void * 3195 lkpi_ieee80211_ifalloc(void) 3196 { 3197 struct ieee80211com *ic; 3198 3199 ic = malloc(sizeof(*ic), M_LKPI80211, M_WAITOK | M_ZERO); 3200 if (ic == NULL) 3201 return (NULL); 3202 3203 /* Setting these happens later when we have device information. */ 3204 ic->ic_softc = NULL; 3205 ic->ic_name = "linuxkpi"; 3206 3207 return (ic); 3208 } 3209 3210 struct ieee80211_hw * 3211 linuxkpi_ieee80211_alloc_hw(size_t priv_len, const struct ieee80211_ops *ops) 3212 { 3213 struct ieee80211_hw *hw; 3214 struct lkpi_hw *lhw; 3215 struct wiphy *wiphy; 3216 3217 /* Get us and the driver data also allocated. */ 3218 wiphy = wiphy_new(&linuxkpi_mac80211cfgops, sizeof(*lhw) + priv_len); 3219 if (wiphy == NULL) 3220 return (NULL); 3221 3222 lhw = wiphy_priv(wiphy); 3223 lhw->ops = ops; 3224 3225 mtx_init(&lhw->mtx, "lhw", NULL, MTX_DEF | MTX_RECURSE); 3226 TAILQ_INIT(&lhw->lvif_head); 3227 3228 /* 3229 * XXX-BZ TODO make sure there is a "_null" function to all ops 3230 * not initialized. 3231 */ 3232 hw = LHW_TO_HW(lhw); 3233 hw->wiphy = wiphy; 3234 hw->conf.flags |= IEEE80211_CONF_IDLE; 3235 hw->priv = (void *)(lhw + 1); 3236 3237 /* BSD Specific. */ 3238 lhw->ic = lkpi_ieee80211_ifalloc(); 3239 if (lhw->ic == NULL) { 3240 ieee80211_free_hw(hw); 3241 return (NULL); 3242 } 3243 3244 IMPROVE(); 3245 3246 return (hw); 3247 } 3248 3249 void 3250 linuxkpi_ieee80211_iffree(struct ieee80211_hw *hw) 3251 { 3252 struct lkpi_hw *lhw; 3253 3254 lhw = HW_TO_LHW(hw); 3255 free(lhw->ic, M_LKPI80211); 3256 lhw->ic = NULL; 3257 3258 /* Cleanup more of lhw here or in wiphy_free()? */ 3259 mtx_destroy(&lhw->mtx); 3260 IMPROVE(); 3261 } 3262 3263 void 3264 linuxkpi_set_ieee80211_dev(struct ieee80211_hw *hw, char *name) 3265 { 3266 struct lkpi_hw *lhw; 3267 struct ieee80211com *ic; 3268 3269 lhw = HW_TO_LHW(hw); 3270 ic = lhw->ic; 3271 3272 /* Now set a proper name before ieee80211_ifattach(). */ 3273 ic->ic_softc = lhw; 3274 ic->ic_name = name; 3275 3276 /* XXX-BZ do we also need to set wiphy name? */ 3277 } 3278 3279 struct ieee80211_hw * 3280 linuxkpi_wiphy_to_ieee80211_hw(struct wiphy *wiphy) 3281 { 3282 struct lkpi_hw *lhw; 3283 3284 lhw = wiphy_priv(wiphy); 3285 return (LHW_TO_HW(lhw)); 3286 } 3287 3288 static void 3289 lkpi_radiotap_attach(struct lkpi_hw *lhw) 3290 { 3291 struct ieee80211com *ic; 3292 3293 ic = lhw->ic; 3294 ieee80211_radiotap_attach(ic, 3295 &lhw->rtap_tx.wt_ihdr, sizeof(lhw->rtap_tx), 3296 LKPI_RTAP_TX_FLAGS_PRESENT, 3297 &lhw->rtap_rx.wr_ihdr, sizeof(lhw->rtap_rx), 3298 LKPI_RTAP_RX_FLAGS_PRESENT); 3299 } 3300 3301 int 3302 linuxkpi_ieee80211_ifattach(struct ieee80211_hw *hw) 3303 { 3304 struct ieee80211com *ic; 3305 struct lkpi_hw *lhw; 3306 int band, i; 3307 3308 lhw = HW_TO_LHW(hw); 3309 ic = lhw->ic; 3310 3311 /* We do it this late as wiphy->dev should be set for the name. */ 3312 lhw->workq = alloc_ordered_workqueue(wiphy_name(hw->wiphy), 0); 3313 if (lhw->workq == NULL) 3314 return (-EAGAIN); 3315 3316 /* XXX-BZ figure this out how they count his... */ 3317 if (!is_zero_ether_addr(hw->wiphy->perm_addr)) { 3318 IEEE80211_ADDR_COPY(ic->ic_macaddr, 3319 hw->wiphy->perm_addr); 3320 } else if (hw->wiphy->n_addresses > 0) { 3321 /* We take the first one. */ 3322 IEEE80211_ADDR_COPY(ic->ic_macaddr, 3323 hw->wiphy->addresses[0].addr); 3324 } else { 3325 ic_printf(ic, "%s: warning, no hardware address!\n", __func__); 3326 } 3327 3328 #ifdef __not_yet__ 3329 /* See comment in lkpi_80211_txq_tx_one(). */ 3330 ic->ic_headroom = hw->extra_tx_headroom; 3331 #endif 3332 3333 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 3334 ic->ic_opmode = IEEE80211_M_STA; 3335 3336 /* Set device capabilities. */ 3337 /* XXX-BZ we need to get these from linux80211/drivers and convert. */ 3338 ic->ic_caps = 3339 IEEE80211_C_STA | 3340 IEEE80211_C_MONITOR | 3341 IEEE80211_C_WPA | /* WPA/RSN */ 3342 IEEE80211_C_WME | 3343 #if 0 3344 IEEE80211_C_PMGT | 3345 #endif 3346 IEEE80211_C_SHSLOT | /* short slot time supported */ 3347 IEEE80211_C_SHPREAMBLE /* short preamble supported */ 3348 ; 3349 #if 0 3350 /* Scanning is a different kind of beast to re-work. */ 3351 ic->ic_caps |= IEEE80211_C_BGSCAN; 3352 #endif 3353 if (lhw->ops->hw_scan) { 3354 /* 3355 * Advertise full-offload scanning. 3356 * 3357 * Not limiting to SINGLE_SCAN_ON_ALL_BANDS here as otherwise 3358 * we essentially disable hw_scan for all drivers not setting 3359 * the flag. 3360 */ 3361 ic->ic_flags_ext |= IEEE80211_FEXT_SCAN_OFFLOAD; 3362 } 3363 3364 #ifdef __notyet__ 3365 ic->ic_htcaps = IEEE80211_HTC_HT /* HT operation */ 3366 | IEEE80211_HTC_AMPDU /* A-MPDU tx/rx */ 3367 | IEEE80211_HTC_AMSDU /* A-MSDU tx/rx */ 3368 | IEEE80211_HTCAP_MAXAMSDU_3839 3369 /* max A-MSDU length */ 3370 | IEEE80211_HTCAP_SMPS_OFF; /* SM power save off */ 3371 ic->ic_htcaps |= IEEE80211_HTCAP_SHORTGI20; 3372 ic->ic_htcaps |= IEEE80211_HTCAP_CHWIDTH40 | IEEE80211_HTCAP_SHORTGI40; 3373 ic->ic_htcaps |= IEEE80211_HTCAP_TXSTBC; 3374 #endif 3375 3376 ic->ic_cryptocaps = 0; 3377 #ifdef TRY_HW_CRYPTO 3378 if (hw->wiphy->n_cipher_suites > 0) { 3379 for (i = 0; i < hw->wiphy->n_cipher_suites; i++) 3380 ic->ic_cryptocaps |= lkpi_l80211_to_net80211_cyphers( 3381 hw->wiphy->cipher_suites[i]); 3382 } 3383 #endif 3384 3385 lkpi_ic_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans, 3386 ic->ic_channels); 3387 3388 ieee80211_ifattach(ic); 3389 3390 ic->ic_update_mcast = lkpi_ic_update_mcast; 3391 ic->ic_update_promisc = lkpi_ic_update_promisc; 3392 ic->ic_update_chw = lkpi_ic_update_chw; 3393 ic->ic_parent = lkpi_ic_parent; 3394 ic->ic_scan_start = lkpi_ic_scan_start; 3395 ic->ic_scan_end = lkpi_ic_scan_end; 3396 if (lhw->ops->hw_scan && 3397 ieee80211_hw_check(hw, SINGLE_SCAN_ON_ALL_BANDS)) 3398 ic->ic_scan_curchan = lkpi_ic_scan_curchan_nada; 3399 ic->ic_set_channel = lkpi_ic_set_channel; 3400 ic->ic_transmit = lkpi_ic_transmit; 3401 ic->ic_raw_xmit = lkpi_ic_raw_xmit; 3402 ic->ic_vap_create = lkpi_ic_vap_create; 3403 ic->ic_vap_delete = lkpi_ic_vap_delete; 3404 ic->ic_getradiocaps = lkpi_ic_getradiocaps; 3405 ic->ic_wme.wme_update = lkpi_ic_wme_update; 3406 3407 lhw->ic_node_alloc = ic->ic_node_alloc; 3408 ic->ic_node_alloc = lkpi_ic_node_alloc; 3409 lhw->ic_node_init = ic->ic_node_init; 3410 ic->ic_node_init = lkpi_ic_node_init; 3411 lhw->ic_node_cleanup = ic->ic_node_cleanup; 3412 ic->ic_node_cleanup = lkpi_ic_node_cleanup; 3413 lhw->ic_node_free = ic->ic_node_free; 3414 ic->ic_node_free = lkpi_ic_node_free; 3415 3416 lkpi_radiotap_attach(lhw); 3417 3418 /* 3419 * Assign the first possible channel for now; seems Realtek drivers 3420 * expect one. 3421 */ 3422 for (band = 0; band < NUM_NL80211_BANDS && 3423 hw->conf.chandef.chan == NULL; band++) { 3424 struct ieee80211_supported_band *supband; 3425 struct linuxkpi_ieee80211_channel *channels; 3426 3427 supband = hw->wiphy->bands[band]; 3428 if (supband == NULL || supband->n_channels == 0) 3429 continue; 3430 3431 channels = supband->channels; 3432 for (i = 0; i < supband->n_channels; i++) { 3433 struct cfg80211_chan_def chandef; 3434 3435 if (channels[i].flags & IEEE80211_CHAN_DISABLED) 3436 continue; 3437 3438 memset(&chandef, 0, sizeof(chandef)); 3439 cfg80211_chandef_create(&chandef, &channels[i], 3440 NL80211_CHAN_NO_HT); 3441 hw->conf.chandef = chandef; 3442 break; 3443 } 3444 } 3445 3446 if (bootverbose) 3447 ieee80211_announce(ic); 3448 3449 return (0); 3450 } 3451 3452 void 3453 linuxkpi_ieee80211_ifdetach(struct ieee80211_hw *hw) 3454 { 3455 struct lkpi_hw *lhw; 3456 struct ieee80211com *ic; 3457 3458 lhw = HW_TO_LHW(hw); 3459 ic = lhw->ic; 3460 ieee80211_ifdetach(ic); 3461 } 3462 3463 void 3464 linuxkpi_ieee80211_iterate_interfaces(struct ieee80211_hw *hw, 3465 enum ieee80211_iface_iter flags, 3466 void(*iterfunc)(void *, uint8_t *, struct ieee80211_vif *), 3467 void *arg) 3468 { 3469 struct lkpi_hw *lhw; 3470 struct lkpi_vif *lvif; 3471 struct ieee80211_vif *vif; 3472 bool active, atomic, nin_drv; 3473 3474 lhw = HW_TO_LHW(hw); 3475 3476 if (flags & ~(IEEE80211_IFACE_ITER_NORMAL| 3477 IEEE80211_IFACE_ITER_RESUME_ALL| 3478 IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER| 3479 IEEE80211_IFACE_ITER__ACTIVE|IEEE80211_IFACE_ITER__ATOMIC)) { 3480 ic_printf(lhw->ic, "XXX TODO %s flags(%#x) not yet supported.\n", 3481 __func__, flags); 3482 } 3483 3484 active = (flags & IEEE80211_IFACE_ITER__ACTIVE) != 0; 3485 atomic = (flags & IEEE80211_IFACE_ITER__ATOMIC) != 0; 3486 nin_drv = (flags & IEEE80211_IFACE_SKIP_SDATA_NOT_IN_DRIVER) != 0; 3487 3488 if (atomic) 3489 LKPI_80211_LHW_LOCK(lhw); 3490 TAILQ_FOREACH(lvif, &lhw->lvif_head, lvif_entry) { 3491 struct ieee80211vap *vap; 3492 3493 vif = LVIF_TO_VIF(lvif); 3494 3495 /* 3496 * If we want "active" interfaces, we need to distinguish on 3497 * whether the driver knows about them or not to be able to 3498 * handle the "resume" case correctly. Skip the ones the 3499 * driver does not know about. 3500 */ 3501 if (active && !lvif->added_to_drv && 3502 (flags & IEEE80211_IFACE_ITER_RESUME_ALL) != 0) 3503 continue; 3504 3505 /* 3506 * If we shall skip interfaces not added to the driver do so 3507 * if we haven't yet. 3508 */ 3509 if (nin_drv && !lvif->added_to_drv) 3510 continue; 3511 3512 /* 3513 * Run the iterator function if we are either not asking 3514 * asking for active only or if the VAP is "running". 3515 */ 3516 /* XXX-BZ probably should have state in the lvif as well. */ 3517 vap = LVIF_TO_VAP(lvif); 3518 if (!active || (vap->iv_state != IEEE80211_S_INIT)) 3519 iterfunc(arg, vif->addr, vif); 3520 } 3521 if (atomic) 3522 LKPI_80211_LHW_UNLOCK(lhw); 3523 } 3524 3525 void 3526 linuxkpi_ieee80211_iterate_keys(struct ieee80211_hw *hw, 3527 struct ieee80211_vif *vif, 3528 void(*iterfunc)(struct ieee80211_hw *, struct ieee80211_vif *, 3529 struct ieee80211_sta *, struct ieee80211_key_conf *, void *), 3530 void *arg) 3531 { 3532 3533 UNIMPLEMENTED; 3534 } 3535 3536 void 3537 linuxkpi_ieee80211_iterate_chan_contexts(struct ieee80211_hw *hw, 3538 void(*iterfunc)(struct ieee80211_hw *, struct ieee80211_chanctx_conf *, 3539 void *), 3540 void *arg) 3541 { 3542 3543 UNIMPLEMENTED; 3544 } 3545 3546 void 3547 linuxkpi_ieee80211_iterate_stations_atomic(struct ieee80211_hw *hw, 3548 void (*iterfunc)(void *, struct ieee80211_sta *), void *arg) 3549 { 3550 struct lkpi_hw *lhw; 3551 struct lkpi_vif *lvif; 3552 struct lkpi_sta *lsta; 3553 struct ieee80211_sta *sta; 3554 3555 KASSERT(hw != NULL && iterfunc != NULL, 3556 ("%s: hw %p iterfunc %p arg %p\n", __func__, hw, iterfunc, arg)); 3557 3558 lhw = HW_TO_LHW(hw); 3559 3560 LKPI_80211_LHW_LOCK(lhw); 3561 TAILQ_FOREACH(lvif, &lhw->lvif_head, lvif_entry) { 3562 3563 LKPI_80211_LVIF_LOCK(lvif); 3564 TAILQ_FOREACH(lsta, &lvif->lsta_head, lsta_entry) { 3565 if (!lsta->added_to_drv) 3566 continue; 3567 sta = LSTA_TO_STA(lsta); 3568 iterfunc(arg, sta); 3569 } 3570 LKPI_80211_LVIF_UNLOCK(lvif); 3571 } 3572 LKPI_80211_LHW_UNLOCK(lhw); 3573 } 3574 3575 int 3576 linuxkpi_regulatory_set_wiphy_regd_sync(struct wiphy *wiphy, 3577 struct linuxkpi_ieee80211_regdomain *regd) 3578 { 3579 struct lkpi_hw *lhw; 3580 struct ieee80211com *ic; 3581 struct ieee80211_regdomain *rd; 3582 3583 lhw = wiphy_priv(wiphy); 3584 ic = lhw->ic; 3585 3586 rd = &ic->ic_regdomain; 3587 if (rd->isocc[0] == '\0') { 3588 rd->isocc[0] = regd->alpha2[0]; 3589 rd->isocc[1] = regd->alpha2[1]; 3590 } 3591 3592 TODO(); 3593 /* XXX-BZ finish the rest. */ 3594 3595 return (0); 3596 } 3597 3598 void 3599 linuxkpi_ieee80211_scan_completed(struct ieee80211_hw *hw, 3600 struct cfg80211_scan_info *info) 3601 { 3602 struct lkpi_hw *lhw; 3603 struct ieee80211com *ic; 3604 struct ieee80211_scan_state *ss; 3605 3606 lhw = wiphy_priv(hw->wiphy); 3607 ic = lhw->ic; 3608 ss = ic->ic_scan; 3609 3610 ieee80211_scan_done(ss->ss_vap); 3611 3612 LKPI_80211_LHW_LOCK(lhw); 3613 free(lhw->hw_req->ies.common_ies, M_80211_VAP); 3614 free(lhw->hw_req, M_LKPI80211); 3615 lhw->hw_req = NULL; 3616 lhw->scan_flags &= ~LKPI_SCAN_RUNNING; 3617 wakeup(lhw); 3618 LKPI_80211_LHW_UNLOCK(lhw); 3619 3620 return; 3621 } 3622 3623 void 3624 linuxkpi_ieee80211_rx(struct ieee80211_hw *hw, struct sk_buff *skb, 3625 struct ieee80211_sta *sta, struct napi_struct *napi __unused) 3626 { 3627 struct epoch_tracker et; 3628 struct lkpi_hw *lhw; 3629 struct ieee80211com *ic; 3630 struct mbuf *m; 3631 struct skb_shared_info *shinfo; 3632 struct ieee80211_rx_status *rx_status; 3633 struct ieee80211_rx_stats rx_stats; 3634 struct ieee80211_node *ni; 3635 struct ieee80211vap *vap; 3636 struct ieee80211_hdr *hdr; 3637 struct lkpi_sta *lsta; 3638 int i, offset, ok, type; 3639 bool is_beacon; 3640 3641 if (skb->len < 2) { 3642 /* Need 80211 stats here. */ 3643 IMPROVE(); 3644 goto err; 3645 } 3646 3647 /* 3648 * For now do the data copy; we can later improve things. Might even 3649 * have an mbuf backing the skb data then? 3650 */ 3651 m = m_get2(skb->len, M_NOWAIT, MT_DATA, M_PKTHDR); 3652 if (m == NULL) 3653 goto err; 3654 m_copyback(m, 0, skb->tail - skb->data, skb->data); 3655 3656 shinfo = skb_shinfo(skb); 3657 offset = m->m_len; 3658 for (i = 0; i < shinfo->nr_frags; i++) { 3659 m_copyback(m, offset, shinfo->frags[i].size, 3660 (uint8_t *)linux_page_address(shinfo->frags[i].page) + 3661 shinfo->frags[i].offset); 3662 offset += shinfo->frags[i].size; 3663 } 3664 3665 rx_status = IEEE80211_SKB_RXCB(skb); 3666 3667 hdr = (void *)skb->data; 3668 is_beacon = ieee80211_is_beacon(hdr->frame_control); 3669 3670 #ifdef LINUXKPI_DEBUG_80211 3671 if (is_beacon && (debug_80211 & D80211_TRACE_RX_BEACONS) == 0) 3672 goto no_trace_beacons; 3673 3674 if (debug_80211 & D80211_TRACE_RX) 3675 printf("TRACE-RX: %s: skb %p a/l/d/t-len (%u/%u/%u/%u) " 3676 "h %p d %p t %p e %p sh %p (%u) m %p plen %u len %u%s\n", 3677 __func__, skb, skb->_alloc_len, skb->len, skb->data_len, 3678 skb->truesize, skb->head, skb->data, skb->tail, skb->end, 3679 shinfo, shinfo->nr_frags, 3680 m, m->m_pkthdr.len, m->m_len, is_beacon ? " beacon" : ""); 3681 3682 if (debug_80211 & D80211_TRACE_RX_DUMP) 3683 hexdump(mtod(m, const void *), m->m_len, "RX (raw) ", 0); 3684 3685 /* Implement a dump_rxcb() !!! */ 3686 if (debug_80211 & D80211_TRACE_RX) 3687 printf("TRACE %s: RXCB: %ju %ju %u, %#0x, %u, %#0x, %#0x, " 3688 "%u band %u, %u %u %u %u, %u, %#x %#x %#x %#x %u %u %u\n", 3689 __func__, 3690 (uintmax_t)rx_status->boottime_ns, 3691 (uintmax_t)rx_status->mactime, 3692 rx_status->device_timestamp, 3693 rx_status->flag, 3694 rx_status->freq, 3695 rx_status->bw, 3696 rx_status->encoding, 3697 rx_status->ampdu_reference, 3698 rx_status->band, 3699 rx_status->chains, 3700 rx_status->chain_signal[0], 3701 rx_status->chain_signal[1], 3702 rx_status->chain_signal[2], 3703 rx_status->signal, 3704 rx_status->enc_flags, 3705 rx_status->he_dcm, 3706 rx_status->he_gi, 3707 rx_status->he_ru, 3708 rx_status->zero_length_psdu_type, 3709 rx_status->nss, 3710 rx_status->rate_idx); 3711 no_trace_beacons: 3712 #endif 3713 3714 memset(&rx_stats, 0, sizeof(rx_stats)); 3715 rx_stats.r_flags = IEEE80211_R_NF | IEEE80211_R_RSSI; 3716 if (ieee80211_hw_check(hw, SIGNAL_DBM) && 3717 !(rx_status->flag & RX_FLAG_NO_SIGNAL_VAL)) 3718 rx_stats.c_rssi = rx_status->signal; 3719 else 3720 rx_stats.c_rssi = 0; /* XXX */ 3721 rx_stats.c_nf = -96; /* XXX */ 3722 rx_stats.r_flags |= IEEE80211_R_BAND; 3723 rx_stats.c_band = 3724 lkpi_nl80211_band_to_net80211_band(rx_status->band); 3725 rx_stats.r_flags |= IEEE80211_R_FREQ | IEEE80211_R_IEEE; 3726 rx_stats.c_freq = rx_status->freq; 3727 rx_stats.c_ieee = ieee80211_mhz2ieee(rx_stats.c_freq, rx_stats.c_band); 3728 3729 /* XXX-BZ correct hardcoded rssi and noise floor. */ 3730 /* XXX (*sta_statistics)() to get to some of that? */ 3731 /* XXX-BZ dump the FreeBSD version of rx_stats as well! */ 3732 3733 lhw = HW_TO_LHW(hw); 3734 ic = lhw->ic; 3735 3736 ok = ieee80211_add_rx_params(m, &rx_stats); 3737 if (ok == 0) { 3738 counter_u64_add(ic->ic_ierrors, 1); 3739 goto err; 3740 } 3741 3742 if (sta != NULL) { 3743 lsta = STA_TO_LSTA(sta); 3744 ni = ieee80211_ref_node(lsta->ni); 3745 } else { 3746 struct ieee80211_frame_min *wh; 3747 3748 wh = mtod(m, struct ieee80211_frame_min *); 3749 ni = ieee80211_find_rxnode(ic, wh); 3750 if (ni != NULL) 3751 lsta = ni->ni_drv_data; 3752 } 3753 3754 if (ni != NULL) 3755 vap = ni->ni_vap; 3756 else 3757 /* 3758 * XXX-BZ can we improve this by looking at the frame hdr 3759 * or other meta-data passed up? 3760 */ 3761 vap = TAILQ_FIRST(&ic->ic_vaps); 3762 3763 if (debug_80211 & D80211_TRACE_RX) 3764 printf("TRACE %s: sta %p lsta %p state %d ni %p vap %p%s\n", 3765 __func__, sta, lsta, (lsta != NULL) ? lsta->state : -1, 3766 ni, vap, is_beacon ? " beacon" : ""); 3767 3768 if (ni != NULL && vap != NULL && is_beacon && 3769 rx_status->device_timestamp > 0 && 3770 m->m_pkthdr.len >= sizeof(struct ieee80211_frame)) { 3771 struct lkpi_vif *lvif; 3772 struct ieee80211_vif *vif; 3773 struct ieee80211_frame *wh; 3774 3775 wh = mtod(m, struct ieee80211_frame *); 3776 if (!IEEE80211_ADDR_EQ(wh->i_addr2, ni->ni_bssid)) 3777 goto skip_device_ts; 3778 3779 lvif = VAP_TO_LVIF(vap); 3780 vif = LVIF_TO_VIF(lvif); 3781 3782 IMPROVE("TIMING_BEACON_ONLY?"); 3783 /* mac80211 specific (not net80211) so keep it here. */ 3784 vif->bss_conf.sync_device_ts = rx_status->device_timestamp; 3785 /* 3786 * net80211 should take care of the other information (sync_tsf, 3787 * sync_dtim_count) as otherwise we need to parse the beacon. 3788 */ 3789 } 3790 skip_device_ts: 3791 3792 if (vap != NULL && vap->iv_state > IEEE80211_S_INIT && 3793 ieee80211_radiotap_active_vap(vap)) { 3794 struct lkpi_radiotap_rx_hdr *rtap; 3795 3796 rtap = &lhw->rtap_rx; 3797 rtap->wr_tsft = rx_status->device_timestamp; 3798 rtap->wr_flags = 0; 3799 if (rx_status->enc_flags & RX_ENC_FLAG_SHORTPRE) 3800 rtap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTPRE; 3801 if (rx_status->enc_flags & RX_ENC_FLAG_SHORT_GI) 3802 rtap->wr_flags |= IEEE80211_RADIOTAP_F_SHORTGI; 3803 #if 0 /* .. or it does not given we strip it below. */ 3804 if (ieee80211_hw_check(hw, RX_INCLUDES_FCS)) 3805 rtap->wr_flags |= IEEE80211_RADIOTAP_F_FCS; 3806 #endif 3807 if (rx_status->flag & RX_FLAG_FAILED_FCS_CRC) 3808 rtap->wr_flags |= IEEE80211_RADIOTAP_F_BADFCS; 3809 rtap->wr_rate = 0; 3810 IMPROVE(); 3811 /* XXX TODO status->encoding / rate_index / bw */ 3812 rtap->wr_chan_freq = htole16(rx_stats.c_freq); 3813 if (ic->ic_curchan->ic_ieee == rx_stats.c_ieee) 3814 rtap->wr_chan_flags = htole16(ic->ic_curchan->ic_flags); 3815 rtap->wr_dbm_antsignal = rx_stats.c_rssi; 3816 rtap->wr_dbm_antnoise = rx_stats.c_nf; 3817 } 3818 3819 if (ieee80211_hw_check(hw, RX_INCLUDES_FCS)) 3820 m_adj(m, -IEEE80211_CRC_LEN); 3821 3822 NET_EPOCH_ENTER(et); 3823 if (ni != NULL) { 3824 type = ieee80211_input_mimo(ni, m); 3825 ieee80211_free_node(ni); 3826 } else { 3827 type = ieee80211_input_mimo_all(ic, m); 3828 } 3829 NET_EPOCH_EXIT(et); 3830 3831 if (debug_80211 & D80211_TRACE_RX) 3832 printf("TRACE %s: handled frame type %#0x\n", __func__, type); 3833 3834 IMPROVE(); 3835 3836 err: 3837 /* The skb is ours so we can free it :-) */ 3838 kfree_skb(skb); 3839 } 3840 3841 uint8_t 3842 linuxkpi_ieee80211_get_tid(struct ieee80211_hdr *hdr) 3843 { 3844 const struct ieee80211_frame *wh; 3845 3846 wh = (const struct ieee80211_frame *)hdr; 3847 return (ieee80211_gettid(wh)); 3848 } 3849 3850 struct wiphy * 3851 linuxkpi_wiphy_new(const struct cfg80211_ops *ops, size_t priv_len) 3852 { 3853 struct lkpi_wiphy *lwiphy; 3854 3855 lwiphy = kzalloc(sizeof(*lwiphy) + priv_len, GFP_KERNEL); 3856 if (lwiphy == NULL) 3857 return (NULL); 3858 lwiphy->ops = ops; 3859 3860 /* XXX TODO */ 3861 return (LWIPHY_TO_WIPHY(lwiphy)); 3862 } 3863 3864 void 3865 linuxkpi_wiphy_free(struct wiphy *wiphy) 3866 { 3867 struct lkpi_wiphy *lwiphy; 3868 3869 if (wiphy == NULL) 3870 return; 3871 3872 lwiphy = WIPHY_TO_LWIPHY(wiphy); 3873 kfree(lwiphy); 3874 } 3875 3876 uint32_t 3877 linuxkpi_ieee80211_channel_to_frequency(uint32_t channel, 3878 enum nl80211_band band) 3879 { 3880 3881 switch (band) { 3882 case NL80211_BAND_2GHZ: 3883 return (ieee80211_ieee2mhz(channel, IEEE80211_CHAN_2GHZ)); 3884 break; 3885 case NL80211_BAND_5GHZ: 3886 return (ieee80211_ieee2mhz(channel, IEEE80211_CHAN_5GHZ)); 3887 break; 3888 default: 3889 /* XXX abort, retry, error, panic? */ 3890 break; 3891 } 3892 3893 return (0); 3894 } 3895 3896 uint32_t 3897 linuxkpi_ieee80211_frequency_to_channel(uint32_t freq, uint32_t flags __unused) 3898 { 3899 3900 return (ieee80211_mhz2ieee(freq, 0)); 3901 } 3902 3903 static struct lkpi_sta * 3904 lkpi_find_lsta_by_ni(struct lkpi_vif *lvif, struct ieee80211_node *ni) 3905 { 3906 struct lkpi_sta *lsta, *temp; 3907 3908 LKPI_80211_LVIF_LOCK(lvif); 3909 TAILQ_FOREACH_SAFE(lsta, &lvif->lsta_head, lsta_entry, temp) { 3910 if (lsta->ni == ni) { 3911 LKPI_80211_LVIF_UNLOCK(lvif); 3912 return (lsta); 3913 } 3914 } 3915 LKPI_80211_LVIF_UNLOCK(lvif); 3916 3917 return (NULL); 3918 } 3919 3920 struct ieee80211_sta * 3921 linuxkpi_ieee80211_find_sta(struct ieee80211_vif *vif, const u8 *peer) 3922 { 3923 struct lkpi_vif *lvif; 3924 struct lkpi_sta *lsta, *temp; 3925 struct ieee80211_sta *sta; 3926 3927 lvif = VIF_TO_LVIF(vif); 3928 3929 LKPI_80211_LVIF_LOCK(lvif); 3930 TAILQ_FOREACH_SAFE(lsta, &lvif->lsta_head, lsta_entry, temp) { 3931 sta = LSTA_TO_STA(lsta); 3932 if (IEEE80211_ADDR_EQ(sta->addr, peer)) { 3933 LKPI_80211_LVIF_UNLOCK(lvif); 3934 return (sta); 3935 } 3936 } 3937 LKPI_80211_LVIF_UNLOCK(lvif); 3938 return (NULL); 3939 } 3940 3941 struct ieee80211_sta * 3942 linuxkpi_ieee80211_find_sta_by_ifaddr(struct ieee80211_hw *hw, 3943 const uint8_t *addr, const uint8_t *ourvifaddr) 3944 { 3945 struct lkpi_hw *lhw; 3946 struct lkpi_vif *lvif; 3947 struct lkpi_sta *lsta; 3948 struct ieee80211_vif *vif; 3949 struct ieee80211_sta *sta; 3950 3951 lhw = wiphy_priv(hw->wiphy); 3952 sta = NULL; 3953 3954 LKPI_80211_LHW_LOCK(lhw); 3955 TAILQ_FOREACH(lvif, &lhw->lvif_head, lvif_entry) { 3956 3957 /* XXX-BZ check our address from the vif. */ 3958 3959 vif = LVIF_TO_VIF(lvif); 3960 if (ourvifaddr != NULL && 3961 !IEEE80211_ADDR_EQ(vif->addr, ourvifaddr)) 3962 continue; 3963 sta = linuxkpi_ieee80211_find_sta(vif, addr); 3964 if (sta != NULL) 3965 break; 3966 } 3967 LKPI_80211_LHW_UNLOCK(lhw); 3968 3969 if (sta != NULL) { 3970 lsta = STA_TO_LSTA(sta); 3971 if (!lsta->added_to_drv) 3972 return (NULL); 3973 } 3974 3975 return (sta); 3976 } 3977 3978 struct sk_buff * 3979 linuxkpi_ieee80211_tx_dequeue(struct ieee80211_hw *hw, 3980 struct ieee80211_txq *txq) 3981 { 3982 struct lkpi_txq *ltxq; 3983 struct sk_buff *skb; 3984 3985 ltxq = TXQ_TO_LTXQ(txq); 3986 ltxq->seen_dequeue = true; 3987 3988 skb = skb_dequeue(<xq->skbq); 3989 3990 return (skb); 3991 } 3992 3993 void 3994 linuxkpi_ieee80211_txq_get_depth(struct ieee80211_txq *txq, 3995 uint64_t *frame_cnt, uint64_t *byte_cnt) 3996 { 3997 struct lkpi_txq *ltxq; 3998 struct sk_buff *skb; 3999 uint64_t fc, bc; 4000 4001 ltxq = TXQ_TO_LTXQ(txq); 4002 4003 fc = bc = 0; 4004 skb_queue_walk(<xq->skbq, skb) { 4005 fc++; 4006 bc += skb->len; 4007 } 4008 if (frame_cnt) 4009 *frame_cnt = fc; 4010 if (byte_cnt) 4011 *byte_cnt = bc; 4012 4013 /* Validate that this is doing the correct thing. */ 4014 /* Should we keep track on en/dequeue? */ 4015 IMPROVE(); 4016 } 4017 4018 /* 4019 * We are called from ieee80211_free_txskb() or ieee80211_tx_status(). 4020 * The latter tries to derive the success status from the info flags 4021 * passed back from the driver. rawx_mit() saves the ni on the m and the 4022 * m on the skb for us to be able to give feedback to net80211. 4023 */ 4024 void 4025 linuxkpi_ieee80211_free_txskb(struct ieee80211_hw *hw, struct sk_buff *skb, 4026 int status) 4027 { 4028 struct ieee80211_node *ni; 4029 struct mbuf *m; 4030 4031 m = skb->m; 4032 skb->m = NULL; 4033 4034 if (m != NULL) { 4035 ni = m->m_pkthdr.PH_loc.ptr; 4036 /* Status: 0 is ok, != 0 is error. */ 4037 ieee80211_tx_complete(ni, m, status); 4038 /* ni & mbuf were consumed. */ 4039 } 4040 4041 kfree_skb(skb); 4042 } 4043 4044 /* 4045 * This is an internal bandaid for the moment for the way we glue 4046 * skbs and mbufs together for TX. Once we have skbs backed by 4047 * mbufs this should go away. 4048 * This is a public function but kept on the private KPI (lkpi_) 4049 * and is not exposed by a header file. 4050 */ 4051 static void 4052 lkpi_ieee80211_free_skb_mbuf(void *p) 4053 { 4054 struct ieee80211_node *ni; 4055 struct mbuf *m; 4056 4057 if (p == NULL) 4058 return; 4059 4060 m = (struct mbuf *)p; 4061 M_ASSERTPKTHDR(m); 4062 4063 ni = m->m_pkthdr.PH_loc.ptr; 4064 m->m_pkthdr.PH_loc.ptr = NULL; 4065 if (ni != NULL) 4066 ieee80211_free_node(ni); 4067 m_freem(m); 4068 } 4069 4070 void 4071 linuxkpi_ieee80211_queue_delayed_work(struct ieee80211_hw *hw, 4072 struct delayed_work *w, int delay) 4073 { 4074 struct lkpi_hw *lhw; 4075 4076 /* Need to make sure hw is in a stable (non-suspended) state. */ 4077 IMPROVE(); 4078 4079 lhw = HW_TO_LHW(hw); 4080 queue_delayed_work(lhw->workq, w, delay); 4081 } 4082 4083 void 4084 linuxkpi_ieee80211_queue_work(struct ieee80211_hw *hw, 4085 struct work_struct *w) 4086 { 4087 struct lkpi_hw *lhw; 4088 4089 /* Need to make sure hw is in a stable (non-suspended) state. */ 4090 IMPROVE(); 4091 4092 lhw = HW_TO_LHW(hw); 4093 queue_work(lhw->workq, w); 4094 } 4095 4096 struct sk_buff * 4097 linuxkpi_ieee80211_pspoll_get(struct ieee80211_hw *hw, 4098 struct ieee80211_vif *vif) 4099 { 4100 struct lkpi_vif *lvif; 4101 struct ieee80211vap *vap; 4102 struct sk_buff *skb; 4103 struct ieee80211_frame_pspoll *psp; 4104 uint16_t v; 4105 4106 skb = dev_alloc_skb(hw->extra_tx_headroom + sizeof(*psp)); 4107 if (skb == NULL) 4108 return (NULL); 4109 4110 skb_reserve(skb, hw->extra_tx_headroom); 4111 4112 lvif = VIF_TO_LVIF(vif); 4113 vap = LVIF_TO_VAP(lvif); 4114 4115 psp = skb_put_zero(skb, sizeof(*psp)); 4116 psp->i_fc[0] = IEEE80211_FC0_VERSION_0; 4117 psp->i_fc[0] |= IEEE80211_FC0_SUBTYPE_PS_POLL | IEEE80211_FC0_TYPE_CTL; 4118 v = htole16(vif->bss_conf.aid | 1<<15 | 1<<16); 4119 memcpy(&psp->i_aid, &v, sizeof(v)); 4120 IEEE80211_ADDR_COPY(psp->i_bssid, vap->iv_bss->ni_macaddr); 4121 IEEE80211_ADDR_COPY(psp->i_ta, vif->addr); 4122 4123 return (skb); 4124 } 4125 4126 struct sk_buff * 4127 linuxkpi_ieee80211_nullfunc_get(struct ieee80211_hw *hw, 4128 struct ieee80211_vif *vif, bool qos) 4129 { 4130 struct lkpi_vif *lvif; 4131 struct ieee80211vap *vap; 4132 struct sk_buff *skb; 4133 struct ieee80211_frame *nullf; 4134 4135 skb = dev_alloc_skb(hw->extra_tx_headroom + sizeof(*nullf)); 4136 if (skb == NULL) 4137 return (NULL); 4138 4139 skb_reserve(skb, hw->extra_tx_headroom); 4140 4141 lvif = VIF_TO_LVIF(vif); 4142 vap = LVIF_TO_VAP(lvif); 4143 4144 nullf = skb_put_zero(skb, sizeof(*nullf)); 4145 nullf->i_fc[0] = IEEE80211_FC0_VERSION_0; 4146 nullf->i_fc[0] |= IEEE80211_FC0_SUBTYPE_NODATA | IEEE80211_FC0_TYPE_DATA; 4147 nullf->i_fc[1] = IEEE80211_FC1_DIR_TODS; 4148 4149 IEEE80211_ADDR_COPY(nullf->i_addr1, vap->iv_bss->ni_bssid); 4150 IEEE80211_ADDR_COPY(nullf->i_addr2, vif->addr); 4151 IEEE80211_ADDR_COPY(nullf->i_addr3, vap->iv_bss->ni_macaddr); 4152 4153 return (skb); 4154 } 4155 4156 struct wireless_dev * 4157 linuxkpi_ieee80211_vif_to_wdev(struct ieee80211_vif *vif) 4158 { 4159 struct lkpi_vif *lvif; 4160 4161 lvif = VIF_TO_LVIF(vif); 4162 return (&lvif->wdev); 4163 } 4164 4165 void 4166 linuxkpi_ieee80211_connection_loss(struct ieee80211_vif *vif) 4167 { 4168 struct lkpi_vif *lvif; 4169 struct ieee80211vap *vap; 4170 enum ieee80211_state nstate; 4171 int arg; 4172 4173 lvif = VIF_TO_LVIF(vif); 4174 vap = LVIF_TO_VAP(lvif); 4175 4176 /* 4177 * Go to init; otherwise we need to elaborately check state and 4178 * handle accordingly, e.g., if in RUN we could call iv_bmiss. 4179 * Let the statemachine handle all neccessary changes. 4180 */ 4181 nstate = IEEE80211_S_INIT; 4182 arg = 0; /* Not a valid reason. */ 4183 4184 if (debug_80211 & D80211_TRACE) 4185 ic_printf(vap->iv_ic, "%s: vif %p\n", __func__, vif); 4186 ieee80211_new_state(vap, nstate, arg); 4187 } 4188 4189 void 4190 linuxkpi_ieee80211_beacon_loss(struct ieee80211_vif *vif) 4191 { 4192 struct lkpi_vif *lvif; 4193 struct ieee80211vap *vap; 4194 enum ieee80211_state nstate; 4195 int arg; 4196 4197 lvif = VIF_TO_LVIF(vif); 4198 vap = LVIF_TO_VAP(lvif); 4199 4200 /* 4201 * Go to scan; otherwise we need to elaborately check state and 4202 * handle accordingly, e.g., if in RUN we could call iv_bmiss. 4203 * Let the statemachine handle all neccessary changes. 4204 */ 4205 nstate = IEEE80211_S_SCAN; 4206 arg = 0; 4207 4208 /* We should be in RUN. Can we assert that? */ 4209 if (debug_80211 & D80211_TRACE || vap->iv_state != IEEE80211_S_RUN) 4210 ic_printf(vap->iv_ic, "%s: vif %p vap %p state %s\n", __func__, 4211 vif, vap, ieee80211_state_name[vap->iv_state]); 4212 ieee80211_new_state(vap, nstate, arg); 4213 } 4214 4215 MODULE_VERSION(linuxkpi_wlan, 1); 4216 MODULE_DEPEND(linuxkpi_wlan, linuxkpi, 1, 1, 1); 4217 MODULE_DEPEND(linuxkpi_wlan, wlan, 1, 1, 1); 4218