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