1 /* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Damien Bergamini <damien.bergamini@free.fr> 5 * Copyright (c) 2014 Kevin Lo <kevlo@FreeBSD.org> 6 * Copyright (c) 2015-2016 Andriy Voskoboinyk <avos@FreeBSD.org> 7 * 8 * Permission to use, copy, modify, and distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 #include <sys/cdefs.h> 22 /* 23 * Driver for Realtek RTL8188CE-VAU/RTL8188CUS/RTL8188EU/RTL8188RU/RTL8192CU/RTL8812AU/RTL8821AU. 24 */ 25 #include "opt_wlan.h" 26 27 #include <sys/param.h> 28 #include <sys/sockio.h> 29 #include <sys/sysctl.h> 30 #include <sys/lock.h> 31 #include <sys/mutex.h> 32 #include <sys/mbuf.h> 33 #include <sys/kernel.h> 34 #include <sys/socket.h> 35 #include <sys/systm.h> 36 #include <sys/malloc.h> 37 #include <sys/module.h> 38 #include <sys/bus.h> 39 #include <sys/endian.h> 40 #include <sys/linker.h> 41 #include <sys/firmware.h> 42 #include <sys/kdb.h> 43 44 #include <net/bpf.h> 45 #include <net/if.h> 46 #include <net/if_var.h> 47 #include <net/if_arp.h> 48 #include <net/ethernet.h> 49 #include <net/if_dl.h> 50 #include <net/if_media.h> 51 #include <net/if_types.h> 52 53 #include <netinet/in.h> 54 #include <netinet/in_systm.h> 55 #include <netinet/in_var.h> 56 #include <netinet/if_ether.h> 57 #include <netinet/ip.h> 58 59 #include <net80211/ieee80211_var.h> 60 #include <net80211/ieee80211_regdomain.h> 61 #include <net80211/ieee80211_radiotap.h> 62 #include <net80211/ieee80211_ratectl.h> 63 64 #include <dev/rtwn/if_rtwnreg.h> 65 #include <dev/rtwn/if_rtwnvar.h> 66 67 #include <dev/rtwn/if_rtwn_beacon.h> 68 #include <dev/rtwn/if_rtwn_calib.h> 69 #include <dev/rtwn/if_rtwn_cam.h> 70 #include <dev/rtwn/if_rtwn_debug.h> 71 #include <dev/rtwn/if_rtwn_efuse.h> 72 #include <dev/rtwn/if_rtwn_fw.h> 73 #include <dev/rtwn/if_rtwn_ridx.h> 74 #include <dev/rtwn/if_rtwn_rx.h> 75 #include <dev/rtwn/if_rtwn_task.h> 76 #include <dev/rtwn/if_rtwn_tx.h> 77 78 #include <dev/rtwn/rtl8192c/r92c_reg.h> 79 80 static void rtwn_radiotap_attach(struct rtwn_softc *); 81 static void rtwn_vap_decrement_counters(struct rtwn_softc *, 82 enum ieee80211_opmode, int); 83 static void rtwn_set_ic_opmode(struct rtwn_softc *); 84 static struct ieee80211vap *rtwn_vap_create(struct ieee80211com *, 85 const char [IFNAMSIZ], int, enum ieee80211_opmode, 86 int, const uint8_t [IEEE80211_ADDR_LEN], 87 const uint8_t [IEEE80211_ADDR_LEN]); 88 static void rtwn_vap_delete(struct ieee80211vap *); 89 static int rtwn_read_chipid(struct rtwn_softc *); 90 static int rtwn_ioctl_reset(struct ieee80211vap *, u_long); 91 static void rtwn_set_media_status(struct rtwn_softc *, 92 union sec_param *); 93 #ifndef RTWN_WITHOUT_UCODE 94 static int rtwn_tx_fwpkt_check(struct rtwn_softc *, 95 struct ieee80211vap *); 96 static int rtwn_construct_nulldata(struct rtwn_softc *, 97 struct ieee80211vap *, uint8_t *, int); 98 static int rtwn_push_nulldata(struct rtwn_softc *, 99 struct ieee80211vap *); 100 static void rtwn_pwrmode_init(void *); 101 static void rtwn_set_pwrmode_cb(struct rtwn_softc *, 102 union sec_param *); 103 #endif 104 static void rtwn_tsf_sync_adhoc(void *); 105 static void rtwn_tsf_sync_adhoc_task(void *, int); 106 static void rtwn_tsf_sync_enable(struct rtwn_softc *, 107 struct ieee80211vap *); 108 static void rtwn_set_ack_preamble(struct rtwn_softc *); 109 static void rtwn_set_mode(struct rtwn_softc *, uint8_t, int); 110 static int rtwn_monitor_newstate(struct ieee80211vap *, 111 enum ieee80211_state, int); 112 static int rtwn_newstate(struct ieee80211vap *, 113 enum ieee80211_state, int); 114 static void rtwn_calc_basicrates(struct rtwn_softc *); 115 static int rtwn_run(struct rtwn_softc *, 116 struct ieee80211vap *); 117 #ifndef D4054 118 static void rtwn_watchdog(void *); 119 #endif 120 static void rtwn_parent(struct ieee80211com *); 121 static int rtwn_dma_init(struct rtwn_softc *); 122 static int rtwn_mac_init(struct rtwn_softc *); 123 static void rtwn_mrr_init(struct rtwn_softc *); 124 static void rtwn_scan_start(struct ieee80211com *); 125 static void rtwn_scan_curchan(struct ieee80211_scan_state *, 126 unsigned long); 127 static void rtwn_scan_end(struct ieee80211com *); 128 static void rtwn_getradiocaps(struct ieee80211com *, int, int *, 129 struct ieee80211_channel[]); 130 static void rtwn_update_chw(struct ieee80211com *); 131 static void rtwn_set_channel(struct ieee80211com *); 132 static int rtwn_wme_update(struct ieee80211com *); 133 static void rtwn_update_slot(struct ieee80211com *); 134 static void rtwn_update_slot_cb(struct rtwn_softc *, 135 union sec_param *); 136 static void rtwn_update_aifs(struct rtwn_softc *, uint8_t); 137 static void rtwn_update_promisc(struct ieee80211com *); 138 static void rtwn_update_mcast(struct ieee80211com *); 139 static int rtwn_set_bssid(struct rtwn_softc *, 140 const uint8_t *, int); 141 static int rtwn_set_macaddr(struct rtwn_softc *, 142 const uint8_t *, int); 143 static struct ieee80211_node *rtwn_node_alloc(struct ieee80211vap *, 144 const uint8_t mac[IEEE80211_ADDR_LEN]); 145 static void rtwn_newassoc(struct ieee80211_node *, int); 146 static void rtwn_node_free(struct ieee80211_node *); 147 static void rtwn_init_beacon_reg(struct rtwn_softc *); 148 static int rtwn_init(struct rtwn_softc *); 149 static void rtwn_stop(struct rtwn_softc *); 150 151 MALLOC_DEFINE(M_RTWN_PRIV, "rtwn_priv", "rtwn driver private state"); 152 153 static const uint16_t wme2reg[] = 154 { R92C_EDCA_BE_PARAM, R92C_EDCA_BK_PARAM, 155 R92C_EDCA_VI_PARAM, R92C_EDCA_VO_PARAM }; 156 157 int 158 rtwn_attach(struct rtwn_softc *sc) 159 { 160 struct ieee80211com *ic = &sc->sc_ic; 161 int error; 162 163 sc->cur_bcnq_id = RTWN_VAP_ID_INVALID; 164 165 RTWN_NT_LOCK_INIT(sc); 166 rtwn_cmdq_init(sc); 167 #ifndef D4054 168 callout_init_mtx(&sc->sc_watchdog_to, &sc->sc_mtx, 0); 169 #endif 170 callout_init(&sc->sc_calib_to, 0); 171 callout_init(&sc->sc_pwrmode_init, 0); 172 mbufq_init(&sc->sc_snd, ifqmaxlen); 173 174 RTWN_LOCK(sc); 175 error = rtwn_read_chipid(sc); 176 RTWN_UNLOCK(sc); 177 if (error != 0) { 178 device_printf(sc->sc_dev, "unsupported test chip\n"); 179 goto detach; 180 } 181 182 error = rtwn_read_rom(sc); 183 if (error != 0) { 184 device_printf(sc->sc_dev, "%s: cannot read rom, error %d\n", 185 __func__, error); 186 goto detach; 187 } 188 189 if (sc->macid_limit > RTWN_MACID_LIMIT) { 190 device_printf(sc->sc_dev, 191 "macid limit will be reduced from %d to %d\n", 192 sc->macid_limit, RTWN_MACID_LIMIT); 193 sc->macid_limit = RTWN_MACID_LIMIT; 194 } 195 if (sc->cam_entry_limit > RTWN_CAM_ENTRY_LIMIT) { 196 device_printf(sc->sc_dev, 197 "cam entry limit will be reduced from %d to %d\n", 198 sc->cam_entry_limit, RTWN_CAM_ENTRY_LIMIT); 199 sc->cam_entry_limit = RTWN_CAM_ENTRY_LIMIT; 200 } 201 if (sc->txdesc_len > RTWN_TX_DESC_SIZE) { 202 device_printf(sc->sc_dev, 203 "adjust size for Tx descriptor (current %d, needed %d)\n", 204 RTWN_TX_DESC_SIZE, sc->txdesc_len); 205 goto detach; 206 } 207 208 device_printf(sc->sc_dev, "MAC/BB %s, RF 6052 %dT%dR\n", 209 sc->name, sc->ntxchains, sc->nrxchains); 210 211 ic->ic_softc = sc; 212 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */ 213 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */ 214 215 /* set device capabilities */ 216 ic->ic_caps = 217 IEEE80211_C_STA /* station mode */ 218 | IEEE80211_C_MONITOR /* monitor mode */ 219 | IEEE80211_C_IBSS /* adhoc mode */ 220 | IEEE80211_C_HOSTAP /* hostap mode */ 221 #if 0 /* TODO: HRPWM register setup */ 222 #ifndef RTWN_WITHOUT_UCODE 223 | IEEE80211_C_PMGT /* Station-side power mgmt */ 224 #endif 225 #endif 226 | IEEE80211_C_SHPREAMBLE /* short preamble supported */ 227 | IEEE80211_C_SHSLOT /* short slot time supported */ 228 #if 0 229 | IEEE80211_C_BGSCAN /* capable of bg scanning */ 230 #endif 231 | IEEE80211_C_WPA /* 802.11i */ 232 | IEEE80211_C_WME /* 802.11e */ 233 | IEEE80211_C_SWAMSDUTX /* Do software A-MSDU TX */ 234 | IEEE80211_C_FF /* Atheros fast-frames */ 235 | IEEE80211_C_TXPMGT /* TX power control */ 236 ; 237 238 if (sc->sc_hwcrypto != RTWN_CRYPTO_SW) { 239 ic->ic_cryptocaps = 240 IEEE80211_CRYPTO_WEP | 241 IEEE80211_CRYPTO_TKIP | 242 IEEE80211_CRYPTO_AES_CCM; 243 } 244 245 ic->ic_htcaps = 246 IEEE80211_HTCAP_SHORTGI20 /* short GI in 20MHz */ 247 | IEEE80211_HTCAP_MAXAMSDU_3839 /* max A-MSDU length */ 248 | IEEE80211_HTCAP_SMPS_OFF /* SM PS mode disabled */ 249 /* s/w capabilities */ 250 | IEEE80211_HTC_HT /* HT operation */ 251 | IEEE80211_HTC_RX_AMSDU_AMPDU /* A-MSDU in A-MPDU */ 252 | IEEE80211_HTC_AMPDU /* A-MPDU tx */ 253 | IEEE80211_HTC_AMSDU /* A-MSDU tx */ 254 ; 255 256 if (sc->sc_ht40) { 257 ic->ic_htcaps |= 258 IEEE80211_HTCAP_CHWIDTH40 /* 40 MHz channel width */ 259 | IEEE80211_HTCAP_SHORTGI40 /* short GI in 40MHz */ 260 ; 261 } 262 263 ic->ic_txstream = sc->ntxchains; 264 ic->ic_rxstream = sc->nrxchains; 265 266 /* Enable TX watchdog */ 267 #ifdef D4054 268 ic->ic_flags_ext |= IEEE80211_FEXT_WATCHDOG; 269 #endif 270 271 /* Adjust capabilities. */ 272 rtwn_adj_devcaps(sc); 273 274 rtwn_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans, 275 ic->ic_channels); 276 277 /* XXX TODO: setup regdomain if R92C_CHANNEL_PLAN_BY_HW bit is set. */ 278 279 ieee80211_ifattach(ic); 280 ic->ic_raw_xmit = rtwn_raw_xmit; 281 ic->ic_scan_start = rtwn_scan_start; 282 sc->sc_scan_curchan = ic->ic_scan_curchan; 283 ic->ic_scan_curchan = rtwn_scan_curchan; 284 ic->ic_scan_end = rtwn_scan_end; 285 ic->ic_getradiocaps = rtwn_getradiocaps; 286 ic->ic_update_chw = rtwn_update_chw; 287 ic->ic_set_channel = rtwn_set_channel; 288 ic->ic_transmit = rtwn_transmit; 289 ic->ic_parent = rtwn_parent; 290 ic->ic_vap_create = rtwn_vap_create; 291 ic->ic_vap_delete = rtwn_vap_delete; 292 ic->ic_wme.wme_update = rtwn_wme_update; 293 ic->ic_updateslot = rtwn_update_slot; 294 ic->ic_update_promisc = rtwn_update_promisc; 295 ic->ic_update_mcast = rtwn_update_mcast; 296 ic->ic_node_alloc = rtwn_node_alloc; 297 ic->ic_newassoc = rtwn_newassoc; 298 sc->sc_node_free = ic->ic_node_free; 299 ic->ic_node_free = rtwn_node_free; 300 301 rtwn_postattach(sc); 302 rtwn_radiotap_attach(sc); 303 304 if (bootverbose) 305 ieee80211_announce(ic); 306 307 return (0); 308 309 detach: 310 return (ENXIO); /* failure */ 311 } 312 313 static void 314 rtwn_radiotap_attach(struct rtwn_softc *sc) 315 { 316 struct rtwn_rx_radiotap_header *rxtap = &sc->sc_rxtap; 317 struct rtwn_tx_radiotap_header *txtap = &sc->sc_txtap; 318 319 ieee80211_radiotap_attach(&sc->sc_ic, 320 &txtap->wt_ihdr, sizeof(*txtap), RTWN_TX_RADIOTAP_PRESENT, 321 &rxtap->wr_ihdr, sizeof(*rxtap), RTWN_RX_RADIOTAP_PRESENT); 322 } 323 324 void 325 rtwn_sysctlattach(struct rtwn_softc *sc) 326 { 327 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 328 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 329 330 sc->sc_ht40 = 0; 331 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 332 "ht40", CTLFLAG_RDTUN, &sc->sc_ht40, 333 sc->sc_ht40, "Enable 40 MHz mode support"); 334 335 sc->sc_ena_tsf64 = 0; 336 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 337 "ena_tsf64", CTLFLAG_RWTUN, &sc->sc_ena_tsf64, 338 sc->sc_ena_tsf64, "Enable/disable per-packet TSF64 reporting"); 339 340 #ifdef RTWN_DEBUG 341 SYSCTL_ADD_U32(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 342 "debug", CTLFLAG_RWTUN, &sc->sc_debug, sc->sc_debug, 343 "Control debugging printfs"); 344 #endif 345 346 sc->sc_hwcrypto = RTWN_CRYPTO_PAIR; 347 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 348 "hwcrypto", CTLFLAG_RDTUN, &sc->sc_hwcrypto, 349 sc->sc_hwcrypto, "Enable h/w crypto: " 350 "0 - disable, 1 - pairwise keys, 2 - all keys"); 351 if (sc->sc_hwcrypto >= RTWN_CRYPTO_MAX) 352 sc->sc_hwcrypto = RTWN_CRYPTO_FULL; 353 354 sc->sc_ratectl_sysctl = RTWN_RATECTL_NET80211; 355 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 356 "ratectl", CTLFLAG_RDTUN, &sc->sc_ratectl_sysctl, 357 sc->sc_ratectl_sysctl, "Select rate control mechanism: " 358 "0 - disabled, 1 - via net80211, 2 - via firmware"); 359 if (sc->sc_ratectl_sysctl >= RTWN_RATECTL_MAX) 360 sc->sc_ratectl_sysctl = RTWN_RATECTL_FW; 361 362 sc->sc_ratectl = sc->sc_ratectl_sysctl; 363 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 364 "ratectl_selected", CTLFLAG_RD, &sc->sc_ratectl, 365 sc->sc_ratectl, 366 "Currently selected rate control mechanism (by the driver)"); 367 } 368 369 void 370 rtwn_detach(struct rtwn_softc *sc) 371 { 372 struct ieee80211com *ic = &sc->sc_ic; 373 374 if (ic->ic_softc == sc) { 375 /* Stop command queue. */ 376 RTWN_CMDQ_LOCK(sc); 377 sc->sc_detached = 1; 378 RTWN_CMDQ_UNLOCK(sc); 379 380 ieee80211_draintask(ic, &sc->cmdq_task); 381 ieee80211_ifdetach(ic); 382 } 383 384 rtwn_cmdq_destroy(sc); 385 if (RTWN_NT_LOCK_INITIALIZED(sc)) 386 RTWN_NT_LOCK_DESTROY(sc); 387 } 388 389 void 390 rtwn_suspend(struct rtwn_softc *sc) 391 { 392 struct ieee80211com *ic = &sc->sc_ic; 393 394 ieee80211_suspend_all(ic); 395 } 396 397 void 398 rtwn_resume(struct rtwn_softc *sc) 399 { 400 struct ieee80211com *ic = &sc->sc_ic; 401 402 ieee80211_resume_all(ic); 403 } 404 405 static void 406 rtwn_vap_decrement_counters(struct rtwn_softc *sc, 407 enum ieee80211_opmode opmode, int id) 408 { 409 410 RTWN_ASSERT_LOCKED(sc); 411 412 if (id != RTWN_VAP_ID_INVALID) { 413 KASSERT(id == 0 || id == 1, ("wrong vap id %d!\n", id)); 414 KASSERT(sc->vaps[id] != NULL, ("vap pointer is NULL\n")); 415 sc->vaps[id] = NULL; 416 } 417 418 switch (opmode) { 419 case IEEE80211_M_HOSTAP: 420 sc->ap_vaps--; 421 /* FALLTHROUGH */ 422 case IEEE80211_M_IBSS: 423 sc->bcn_vaps--; 424 /* FALLTHROUGH */ 425 case IEEE80211_M_STA: 426 sc->nvaps--; 427 break; 428 case IEEE80211_M_MONITOR: 429 sc->mon_vaps--; 430 break; 431 default: 432 KASSERT(0, ("wrong opmode %d\n", opmode)); 433 break; 434 } 435 436 KASSERT(sc->vaps_running >= 0 && sc->monvaps_running >= 0, 437 ("number of running vaps is negative (vaps %d, monvaps %d)\n", 438 sc->vaps_running, sc->monvaps_running)); 439 KASSERT(sc->vaps_running - sc->monvaps_running <= RTWN_PORT_COUNT, 440 ("number of running vaps is too big (vaps %d, monvaps %d)\n", 441 sc->vaps_running, sc->monvaps_running)); 442 443 KASSERT(sc->nvaps >= 0 && sc->nvaps <= RTWN_PORT_COUNT, 444 ("wrong value %d for nvaps\n", sc->nvaps)); 445 KASSERT(sc->mon_vaps >= 0, ("mon_vaps is negative (%d)\n", 446 sc->mon_vaps)); 447 KASSERT(sc->bcn_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) && 448 sc->bcn_vaps <= RTWN_PORT_COUNT) || sc->bcn_vaps <= 1), 449 ("bcn_vaps value %d is wrong\n", sc->bcn_vaps)); 450 KASSERT(sc->ap_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) && 451 sc->ap_vaps <= RTWN_PORT_COUNT) || sc->ap_vaps <= 1), 452 ("ap_vaps value %d is wrong\n", sc->ap_vaps)); 453 } 454 455 static void 456 rtwn_set_ic_opmode(struct rtwn_softc *sc) 457 { 458 struct ieee80211com *ic = &sc->sc_ic; 459 460 RTWN_ASSERT_LOCKED(sc); 461 462 /* for ieee80211_reset_erp() */ 463 if (sc->bcn_vaps - sc->ap_vaps > 0) 464 ic->ic_opmode = IEEE80211_M_IBSS; 465 else if (sc->ap_vaps > 0) 466 ic->ic_opmode = IEEE80211_M_HOSTAP; 467 else if (sc->nvaps > 0) 468 ic->ic_opmode = IEEE80211_M_STA; 469 else 470 ic->ic_opmode = IEEE80211_M_MONITOR; 471 } 472 473 static struct ieee80211vap * 474 rtwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 475 enum ieee80211_opmode opmode, int flags, 476 const uint8_t bssid[IEEE80211_ADDR_LEN], 477 const uint8_t mac[IEEE80211_ADDR_LEN]) 478 { 479 struct rtwn_softc *sc = ic->ic_softc; 480 struct rtwn_vap *uvp; 481 struct ieee80211vap *vap; 482 int id = RTWN_VAP_ID_INVALID; 483 484 RTWN_LOCK(sc); 485 KASSERT(sc->nvaps <= RTWN_PORT_COUNT, 486 ("nvaps overflow (%d > %d)\n", sc->nvaps, RTWN_PORT_COUNT)); 487 KASSERT(sc->ap_vaps <= RTWN_PORT_COUNT, 488 ("ap_vaps overflow (%d > %d)\n", sc->ap_vaps, RTWN_PORT_COUNT)); 489 KASSERT(sc->bcn_vaps <= RTWN_PORT_COUNT, 490 ("bcn_vaps overflow (%d > %d)\n", sc->bcn_vaps, RTWN_PORT_COUNT)); 491 492 if (opmode != IEEE80211_M_MONITOR) { 493 switch (sc->nvaps) { 494 case 0: 495 id = 0; 496 break; 497 case 1: 498 if (sc->vaps[1] == NULL) 499 id = 1; 500 else if (sc->vaps[0] == NULL) 501 id = 0; 502 KASSERT(id != RTWN_VAP_ID_INVALID, 503 ("no free ports left\n")); 504 break; 505 case 2: 506 default: 507 goto fail; 508 } 509 510 if (opmode == IEEE80211_M_IBSS || 511 opmode == IEEE80211_M_HOSTAP) { 512 if ((sc->bcn_vaps == 1 && !RTWN_CHIP_HAS_BCNQ1(sc)) || 513 sc->bcn_vaps == RTWN_PORT_COUNT) 514 goto fail; 515 } 516 } 517 518 switch (opmode) { 519 case IEEE80211_M_HOSTAP: 520 sc->ap_vaps++; 521 /* FALLTHROUGH */ 522 case IEEE80211_M_IBSS: 523 sc->bcn_vaps++; 524 /* FALLTHROUGH */ 525 case IEEE80211_M_STA: 526 sc->nvaps++; 527 break; 528 case IEEE80211_M_MONITOR: 529 sc->mon_vaps++; 530 break; 531 default: 532 KASSERT(0, ("unknown opmode %d\n", opmode)); 533 goto fail; 534 } 535 RTWN_UNLOCK(sc); 536 537 uvp = malloc(sizeof(struct rtwn_vap), M_80211_VAP, M_WAITOK | M_ZERO); 538 uvp->id = id; 539 if (id != RTWN_VAP_ID_INVALID) { 540 RTWN_LOCK(sc); 541 sc->vaps[id] = uvp; 542 RTWN_UNLOCK(sc); 543 } 544 vap = &uvp->vap; 545 /* enable s/w bmiss handling for sta mode */ 546 547 if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 548 flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) { 549 /* out of memory */ 550 free(uvp, M_80211_VAP); 551 552 RTWN_LOCK(sc); 553 rtwn_vap_decrement_counters(sc, opmode, id); 554 RTWN_UNLOCK(sc); 555 556 return (NULL); 557 } 558 559 rtwn_beacon_init(sc, &uvp->bcn_desc.txd[0], uvp->id); 560 rtwn_vap_preattach(sc, vap); 561 562 /* override state transition machine */ 563 uvp->newstate = vap->iv_newstate; 564 if (opmode == IEEE80211_M_MONITOR) 565 vap->iv_newstate = rtwn_monitor_newstate; 566 else 567 vap->iv_newstate = rtwn_newstate; 568 vap->iv_update_beacon = rtwn_update_beacon; 569 vap->iv_reset = rtwn_ioctl_reset; 570 vap->iv_key_alloc = rtwn_key_alloc; 571 vap->iv_key_set = rtwn_key_set; 572 vap->iv_key_delete = rtwn_key_delete; 573 vap->iv_max_aid = sc->macid_limit; 574 575 /* 802.11n parameters */ 576 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16; 577 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K; 578 vap->iv_ampdu_limit = IEEE80211_HTCAP_MAXRXAMPDU_64K; 579 580 TIMEOUT_TASK_INIT(taskqueue_thread, &uvp->tx_beacon_csa, 0, 581 rtwn_tx_beacon_csa, vap); 582 if (opmode == IEEE80211_M_IBSS) { 583 uvp->recv_mgmt = vap->iv_recv_mgmt; 584 vap->iv_recv_mgmt = rtwn_adhoc_recv_mgmt; 585 TASK_INIT(&uvp->tsf_sync_adhoc_task, 0, 586 rtwn_tsf_sync_adhoc_task, vap); 587 callout_init(&uvp->tsf_sync_adhoc, 0); 588 } 589 590 /* 591 * NB: driver can select net80211 RA even when user requests 592 * another mechanism. 593 */ 594 ieee80211_ratectl_init(vap); 595 596 /* complete setup */ 597 ieee80211_vap_attach(vap, ieee80211_media_change, 598 ieee80211_media_status, mac); 599 600 RTWN_LOCK(sc); 601 rtwn_set_ic_opmode(sc); 602 if (sc->sc_flags & RTWN_RUNNING) { 603 if (uvp->id != RTWN_VAP_ID_INVALID) 604 rtwn_set_macaddr(sc, vap->iv_myaddr, uvp->id); 605 606 rtwn_rxfilter_update(sc); 607 } 608 RTWN_UNLOCK(sc); 609 610 return (vap); 611 612 fail: 613 RTWN_UNLOCK(sc); 614 return (NULL); 615 } 616 617 static void 618 rtwn_vap_delete(struct ieee80211vap *vap) 619 { 620 struct ieee80211com *ic = vap->iv_ic; 621 struct rtwn_softc *sc = ic->ic_softc; 622 struct rtwn_vap *uvp = RTWN_VAP(vap); 623 int i; 624 625 /* Put vap into INIT state + stop device if needed. */ 626 ieee80211_stop(vap); 627 for (i = 0; i < NET80211_IV_NSTATE_NUM; i++) 628 ieee80211_draintask(ic, &vap->iv_nstate_task[i]); 629 ieee80211_draintask(ic, &ic->ic_parent_task); 630 631 RTWN_LOCK(sc); 632 /* Cancel any unfinished Tx. */ 633 rtwn_reset_lists(sc, vap); 634 if (uvp->bcn_mbuf != NULL) 635 m_freem(uvp->bcn_mbuf); 636 rtwn_vap_decrement_counters(sc, vap->iv_opmode, uvp->id); 637 rtwn_set_ic_opmode(sc); 638 if (sc->sc_flags & RTWN_RUNNING) 639 rtwn_rxfilter_update(sc); 640 RTWN_UNLOCK(sc); 641 642 if (vap->iv_opmode == IEEE80211_M_IBSS) { 643 ieee80211_draintask(ic, &uvp->tsf_sync_adhoc_task); 644 callout_drain(&uvp->tsf_sync_adhoc); 645 } 646 647 ieee80211_ratectl_deinit(vap); 648 ieee80211_vap_detach(vap); 649 free(uvp, M_80211_VAP); 650 } 651 652 static int 653 rtwn_read_chipid(struct rtwn_softc *sc) 654 { 655 uint32_t reg; 656 657 reg = rtwn_read_4(sc, R92C_SYS_CFG); 658 if (reg & R92C_SYS_CFG_TRP_VAUX_EN) /* test chip */ 659 return (EOPNOTSUPP); 660 661 rtwn_read_chipid_vendor(sc, reg); 662 663 return (0); 664 } 665 666 static int 667 rtwn_ioctl_reset(struct ieee80211vap *vap, u_long cmd) 668 { 669 int error; 670 671 switch (cmd) { 672 #ifndef RTWN_WITHOUT_UCODE 673 case IEEE80211_IOC_POWERSAVE: 674 case IEEE80211_IOC_POWERSAVESLEEP: 675 { 676 struct rtwn_softc *sc = vap->iv_ic->ic_softc; 677 struct rtwn_vap *uvp = RTWN_VAP(vap); 678 679 if (vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) { 680 RTWN_LOCK(sc); 681 if (sc->sc_flags & RTWN_RUNNING) 682 error = rtwn_set_pwrmode(sc, vap, 1); 683 else 684 error = 0; 685 RTWN_UNLOCK(sc); 686 if (error != 0) 687 error = ENETRESET; 688 } else 689 error = EOPNOTSUPP; 690 break; 691 } 692 #endif 693 case IEEE80211_IOC_SHORTGI: 694 case IEEE80211_IOC_RTSTHRESHOLD: 695 case IEEE80211_IOC_PROTMODE: 696 case IEEE80211_IOC_HTPROTMODE: 697 case IEEE80211_IOC_LDPC: 698 error = 0; 699 break; 700 case IEEE80211_IOC_TXPOWER: 701 { 702 struct rtwn_softc *sc = vap->iv_ic->ic_softc; 703 RTWN_LOCK(sc); 704 error = rtwn_set_tx_power(sc, vap); 705 RTWN_UNLOCK(sc); 706 } 707 break; 708 default: 709 error = ENETRESET; 710 break; 711 } 712 713 return (error); 714 } 715 716 static void 717 rtwn_set_media_status(struct rtwn_softc *sc, union sec_param *data) 718 { 719 sc->sc_set_media_status(sc, data->macid); 720 } 721 722 #ifndef RTWN_WITHOUT_UCODE 723 static int 724 rtwn_tx_fwpkt_check(struct rtwn_softc *sc, struct ieee80211vap *vap) 725 { 726 int ntries, error; 727 728 for (ntries = 0; ntries < 5; ntries++) { 729 error = rtwn_push_nulldata(sc, vap); 730 if (error == 0) 731 break; 732 } 733 if (ntries == 5) { 734 device_printf(sc->sc_dev, 735 "%s: cannot push f/w frames into chip, error %d!\n", 736 __func__, error); 737 return (error); 738 } 739 740 return (0); 741 } 742 743 static int 744 rtwn_construct_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap, 745 uint8_t *ptr, int qos) 746 { 747 struct rtwn_vap *uvp = RTWN_VAP(vap); 748 struct ieee80211com *ic = &sc->sc_ic; 749 struct rtwn_tx_desc_common *txd; 750 struct ieee80211_frame *wh; 751 int pktlen; 752 753 /* XXX obtain from net80211 */ 754 wh = (struct ieee80211_frame *)(ptr + sc->txdesc_len); 755 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA; 756 wh->i_fc[1] = IEEE80211_FC1_DIR_TODS; 757 IEEE80211_ADDR_COPY(wh->i_addr1, vap->iv_bss->ni_bssid); 758 IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 759 IEEE80211_ADDR_COPY(wh->i_addr3, vap->iv_bss->ni_macaddr); 760 761 txd = (struct rtwn_tx_desc_common *)ptr; 762 txd->offset = sc->txdesc_len; 763 pktlen = sc->txdesc_len; 764 if (qos) { 765 struct ieee80211_qosframe *qwh; 766 const int tid = WME_AC_TO_TID(WME_AC_BE); 767 768 qwh = (struct ieee80211_qosframe *)wh; 769 qwh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_QOS_NULL; 770 qwh->i_qos[0] = tid & IEEE80211_QOS_TID; 771 772 txd->pktlen = htole16(sizeof(struct ieee80211_qosframe)); 773 pktlen += sizeof(struct ieee80211_qosframe); 774 } else { 775 wh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_NODATA; 776 777 txd->pktlen = htole16(sizeof(struct ieee80211_frame)); 778 pktlen += sizeof(struct ieee80211_frame); 779 } 780 781 rtwn_fill_tx_desc_null(sc, ptr, 782 ic->ic_curmode == IEEE80211_MODE_11B, qos, uvp->id); 783 784 return (pktlen); 785 } 786 787 static int 788 rtwn_push_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap) 789 { 790 struct rtwn_vap *uvp = RTWN_VAP(vap); 791 struct ieee80211com *ic = vap->iv_ic; 792 struct ieee80211_channel *c = ic->ic_curchan; 793 struct mbuf *m; 794 uint8_t *ptr; 795 int required_size, bcn_size, null_size, null_data, error; 796 797 if (!(sc->sc_flags & RTWN_FW_LOADED)) 798 return (0); /* requires firmware */ 799 800 KASSERT(sc->page_size > 0, ("page size was not set!\n")); 801 802 /* Leave some space for beacon (multi-vap) */ 803 bcn_size = roundup(RTWN_BCN_MAX_SIZE, sc->page_size); 804 /* 1 page for Null Data + 1 page for Qos Null Data frames. */ 805 required_size = bcn_size + sc->page_size * 2; 806 807 m = m_get2(required_size, M_NOWAIT, MT_DATA, M_PKTHDR); 808 if (m == NULL) 809 return (ENOMEM); 810 811 /* Setup beacon descriptor. */ 812 rtwn_beacon_set_rate(sc, &uvp->bcn_desc.txd[0], 813 IEEE80211_IS_CHAN_5GHZ(c)); 814 815 ptr = mtod(m, uint8_t *); 816 memset(ptr, 0, required_size - sc->txdesc_len); 817 818 /* Construct Null Data frame. */ 819 ptr += bcn_size - sc->txdesc_len; 820 null_size = rtwn_construct_nulldata(sc, vap, ptr, 0); 821 KASSERT(null_size < sc->page_size, 822 ("recalculate size for Null Data frame\n")); 823 824 /* Construct Qos Null Data frame. */ 825 ptr += roundup(null_size, sc->page_size); 826 null_size = rtwn_construct_nulldata(sc, vap, ptr, 1); 827 KASSERT(null_size < sc->page_size, 828 ("recalculate size for Qos Null Data frame\n")); 829 830 /* Do not try to detect a beacon here. */ 831 rtwn_setbits_1_shift(sc, R92C_CR, 0, R92C_CR_ENSWBCN, 1); 832 rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL, 833 R92C_FWHW_TXQ_CTRL_REAL_BEACON, 0, 2); 834 835 if (uvp->bcn_mbuf != NULL) { 836 rtwn_beacon_unload(sc, uvp->id); 837 m_freem(uvp->bcn_mbuf); 838 } 839 840 m->m_pkthdr.len = m->m_len = required_size - sc->txdesc_len; 841 uvp->bcn_mbuf = m; 842 843 error = rtwn_tx_beacon_check(sc, uvp); 844 if (error != 0) { 845 RTWN_DPRINTF(sc, RTWN_DEBUG_BEACON, 846 "%s: frame was not recognized!\n", __func__); 847 goto fail; 848 } 849 850 /* Setup addresses in firmware. */ 851 null_data = howmany(bcn_size, sc->page_size); 852 error = rtwn_set_rsvd_page(sc, 0, null_data, null_data + 1); 853 if (error != 0) { 854 device_printf(sc->sc_dev, 855 "%s: CMD_RSVD_PAGE was not sent, error %d\n", 856 __func__, error); 857 goto fail; 858 } 859 860 fail: 861 /* Re-enable beacon detection. */ 862 rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL, 863 0, R92C_FWHW_TXQ_CTRL_REAL_BEACON, 2); 864 rtwn_setbits_1_shift(sc, R92C_CR, R92C_CR_ENSWBCN, 0, 1); 865 866 /* Restore beacon (if present). */ 867 if (sc->bcn_vaps > 0 && sc->vaps[!uvp->id] != NULL) { 868 struct rtwn_vap *uvp2 = sc->vaps[!uvp->id]; 869 870 if (uvp2->curr_mode != R92C_MSR_NOLINK) 871 error = rtwn_tx_beacon_check(sc, uvp2); 872 } 873 874 return (error); 875 } 876 877 static void 878 rtwn_pwrmode_init(void *arg) 879 { 880 struct rtwn_softc *sc = arg; 881 882 rtwn_cmd_sleepable(sc, NULL, 0, rtwn_set_pwrmode_cb); 883 } 884 885 static void 886 rtwn_set_pwrmode_cb(struct rtwn_softc *sc, union sec_param *data) 887 { 888 struct ieee80211vap *vap = &sc->vaps[0]->vap; 889 890 if (vap != NULL) 891 rtwn_set_pwrmode(sc, vap, 1); 892 } 893 #endif 894 895 static void 896 rtwn_tsf_sync_adhoc(void *arg) 897 { 898 struct ieee80211vap *vap = arg; 899 struct ieee80211com *ic = vap->iv_ic; 900 struct rtwn_vap *uvp = RTWN_VAP(vap); 901 902 if (uvp->curr_mode != R92C_MSR_NOLINK) { 903 /* Do it in process context. */ 904 ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task); 905 } 906 } 907 908 /* 909 * Workaround for TSF synchronization: 910 * when BSSID filter in IBSS mode is not set 911 * (and TSF synchronization is enabled), then any beacon may update it. 912 * This routine synchronizes it when BSSID matching is enabled (IBSS merge 913 * is not possible during this period). 914 * 915 * NOTE: there is no race with rtwn_newstate(), since it uses the same 916 * taskqueue. 917 */ 918 static void 919 rtwn_tsf_sync_adhoc_task(void *arg, int pending) 920 { 921 struct ieee80211vap *vap = arg; 922 struct rtwn_vap *uvp = RTWN_VAP(vap); 923 struct rtwn_softc *sc = vap->iv_ic->ic_softc; 924 struct ieee80211_node *ni; 925 926 RTWN_LOCK(sc); 927 ni = ieee80211_ref_node(vap->iv_bss); 928 929 /* Accept beacons with the same BSSID. */ 930 rtwn_set_rx_bssid_all(sc, 0); 931 932 /* Deny RCR updates. */ 933 sc->sc_flags |= RTWN_RCR_LOCKED; 934 935 /* Enable synchronization. */ 936 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id), 937 R92C_BCN_CTRL_DIS_TSF_UDT0, 0); 938 939 /* Synchronize. */ 940 rtwn_delay(sc, ni->ni_intval * 5 * 1000); 941 942 /* Disable synchronization. */ 943 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id), 944 0, R92C_BCN_CTRL_DIS_TSF_UDT0); 945 946 /* Accept all beacons. */ 947 sc->sc_flags &= ~RTWN_RCR_LOCKED; 948 rtwn_set_rx_bssid_all(sc, 1); 949 950 /* Schedule next TSF synchronization. */ 951 callout_reset(&uvp->tsf_sync_adhoc, 60*hz, rtwn_tsf_sync_adhoc, vap); 952 953 ieee80211_free_node(ni); 954 RTWN_UNLOCK(sc); 955 } 956 957 static void 958 rtwn_tsf_sync_enable(struct rtwn_softc *sc, struct ieee80211vap *vap) 959 { 960 struct ieee80211com *ic = &sc->sc_ic; 961 struct rtwn_vap *uvp = RTWN_VAP(vap); 962 963 /* Reset TSF. */ 964 rtwn_write_1(sc, R92C_DUAL_TSF_RST, R92C_DUAL_TSF_RESET(uvp->id)); 965 966 switch (vap->iv_opmode) { 967 case IEEE80211_M_STA: 968 /* Enable TSF synchronization. */ 969 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id), 970 R92C_BCN_CTRL_DIS_TSF_UDT0, 0); 971 break; 972 case IEEE80211_M_IBSS: 973 ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task); 974 /* FALLTHROUGH */ 975 case IEEE80211_M_HOSTAP: 976 /* Enable beaconing. */ 977 rtwn_beacon_enable(sc, uvp->id, 1); 978 break; 979 default: 980 device_printf(sc->sc_dev, "undefined opmode %d\n", 981 vap->iv_opmode); 982 return; 983 } 984 } 985 986 static void 987 rtwn_set_ack_preamble(struct rtwn_softc *sc) 988 { 989 struct ieee80211com *ic = &sc->sc_ic; 990 uint32_t reg; 991 992 reg = rtwn_read_4(sc, R92C_WMAC_TRXPTCL_CTL); 993 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 994 reg |= R92C_WMAC_TRXPTCL_SHPRE; 995 else 996 reg &= ~R92C_WMAC_TRXPTCL_SHPRE; 997 rtwn_write_4(sc, R92C_WMAC_TRXPTCL_CTL, reg); 998 } 999 1000 static void 1001 rtwn_set_mode(struct rtwn_softc *sc, uint8_t mode, int id) 1002 { 1003 1004 rtwn_setbits_1(sc, R92C_MSR, R92C_MSR_MASK << id * 2, mode << id * 2); 1005 if (sc->vaps[id] != NULL) 1006 sc->vaps[id]->curr_mode = mode; 1007 } 1008 1009 static int 1010 rtwn_monitor_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, 1011 int arg) 1012 { 1013 struct ieee80211com *ic = vap->iv_ic; 1014 struct rtwn_softc *sc = ic->ic_softc; 1015 struct rtwn_vap *uvp = RTWN_VAP(vap); 1016 1017 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n", 1018 ieee80211_state_name[vap->iv_state], 1019 ieee80211_state_name[nstate]); 1020 1021 if (vap->iv_state != nstate) { 1022 IEEE80211_UNLOCK(ic); 1023 RTWN_LOCK(sc); 1024 1025 switch (nstate) { 1026 case IEEE80211_S_INIT: 1027 sc->vaps_running--; 1028 sc->monvaps_running--; 1029 1030 if (sc->vaps_running == 0) { 1031 /* Turn link LED off. */ 1032 rtwn_set_led(sc, RTWN_LED_LINK, 0); 1033 } 1034 break; 1035 case IEEE80211_S_RUN: 1036 sc->vaps_running++; 1037 sc->monvaps_running++; 1038 1039 if (sc->vaps_running == 1) { 1040 /* Turn link LED on. */ 1041 rtwn_set_led(sc, RTWN_LED_LINK, 1); 1042 } 1043 break; 1044 default: 1045 /* NOTREACHED */ 1046 break; 1047 } 1048 1049 RTWN_UNLOCK(sc); 1050 IEEE80211_LOCK(ic); 1051 } 1052 1053 return (uvp->newstate(vap, nstate, arg)); 1054 } 1055 1056 static int 1057 rtwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1058 { 1059 struct rtwn_vap *uvp = RTWN_VAP(vap); 1060 struct ieee80211com *ic = vap->iv_ic; 1061 struct rtwn_softc *sc = ic->ic_softc; 1062 enum ieee80211_state ostate; 1063 int error, early_newstate; 1064 1065 ostate = vap->iv_state; 1066 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n", 1067 ieee80211_state_name[ostate], ieee80211_state_name[nstate]); 1068 1069 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC && 1070 ostate == IEEE80211_S_INIT && nstate == IEEE80211_S_RUN) { 1071 /* need to call iv_newstate() firstly */ 1072 error = uvp->newstate(vap, nstate, arg); 1073 if (error != 0) 1074 return (error); 1075 1076 early_newstate = 1; 1077 } else 1078 early_newstate = 0; 1079 1080 if (ostate == IEEE80211_S_CSA) { 1081 taskqueue_cancel_timeout(taskqueue_thread, 1082 &uvp->tx_beacon_csa, NULL); 1083 1084 /* 1085 * In multi-vap case second counter may not be cleared 1086 * properly. 1087 */ 1088 vap->iv_csa_count = 0; 1089 } 1090 IEEE80211_UNLOCK(ic); 1091 RTWN_LOCK(sc); 1092 1093 if (ostate == IEEE80211_S_CSA) { 1094 /* Unblock all queues (multi-vap case). */ 1095 rtwn_write_1(sc, R92C_TXPAUSE, 0); 1096 } 1097 1098 if ((ostate == IEEE80211_S_RUN && nstate != IEEE80211_S_CSA) || 1099 ostate == IEEE80211_S_CSA) { 1100 sc->vaps_running--; 1101 1102 /* Set media status to 'No Link'. */ 1103 rtwn_set_mode(sc, R92C_MSR_NOLINK, uvp->id); 1104 1105 if (vap->iv_opmode == IEEE80211_M_IBSS) { 1106 /* Stop periodical TSF synchronization. */ 1107 callout_stop(&uvp->tsf_sync_adhoc); 1108 } 1109 1110 /* Disable TSF synchronization / beaconing. */ 1111 rtwn_beacon_enable(sc, uvp->id, 0); 1112 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id), 1113 0, R92C_BCN_CTRL_DIS_TSF_UDT0); 1114 1115 /* NB: monitor mode vaps are using port 0. */ 1116 if (uvp->id != 0 || sc->monvaps_running == 0) { 1117 /* Reset TSF. */ 1118 rtwn_write_1(sc, R92C_DUAL_TSF_RST, 1119 R92C_DUAL_TSF_RESET(uvp->id)); 1120 } 1121 1122 #ifndef RTWN_WITHOUT_UCODE 1123 if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 && uvp->id == 0) { 1124 /* Disable power management. */ 1125 callout_stop(&sc->sc_pwrmode_init); 1126 rtwn_set_pwrmode(sc, vap, 0); 1127 } 1128 #endif 1129 if (sc->vaps_running - sc->monvaps_running > 0) { 1130 /* Recalculate basic rates bitmap. */ 1131 rtwn_calc_basicrates(sc); 1132 } 1133 1134 if (sc->vaps_running == sc->monvaps_running) { 1135 /* Stop calibration. */ 1136 callout_stop(&sc->sc_calib_to); 1137 1138 /* Stop Rx of data frames. */ 1139 rtwn_write_2(sc, R92C_RXFLTMAP2, 0); 1140 1141 /* Reset EDCA parameters. */ 1142 rtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217); 1143 rtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317); 1144 rtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320); 1145 rtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444); 1146 1147 if (sc->vaps_running == 0) { 1148 /* Turn link LED off. */ 1149 rtwn_set_led(sc, RTWN_LED_LINK, 0); 1150 } 1151 } 1152 } 1153 1154 error = 0; 1155 switch (nstate) { 1156 case IEEE80211_S_SCAN: 1157 /* Pause AC Tx queues. */ 1158 if (sc->vaps_running == 0) 1159 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_AC); 1160 break; 1161 case IEEE80211_S_RUN: 1162 error = rtwn_run(sc, vap); 1163 if (error != 0) { 1164 device_printf(sc->sc_dev, 1165 "%s: could not move to RUN state\n", __func__); 1166 break; 1167 } 1168 1169 sc->vaps_running++; 1170 break; 1171 case IEEE80211_S_CSA: 1172 /* Block all Tx queues (except beacon queue). */ 1173 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, 1174 R92C_TX_QUEUE_AC | R92C_TX_QUEUE_MGT | R92C_TX_QUEUE_HIGH); 1175 break; 1176 default: 1177 break; 1178 } 1179 1180 RTWN_UNLOCK(sc); 1181 IEEE80211_LOCK(ic); 1182 if (error != 0) 1183 return (error); 1184 1185 return (early_newstate ? 0 : uvp->newstate(vap, nstate, arg)); 1186 } 1187 1188 static void 1189 rtwn_calc_basicrates(struct rtwn_softc *sc) 1190 { 1191 struct ieee80211com *ic = &sc->sc_ic; 1192 uint32_t basicrates; 1193 int i; 1194 1195 RTWN_ASSERT_LOCKED(sc); 1196 1197 if (ic->ic_flags & IEEE80211_F_SCAN) 1198 return; /* will be done by rtwn_scan_end(). */ 1199 1200 basicrates = 0; 1201 for (i = 0; i < nitems(sc->vaps); i++) { 1202 struct rtwn_vap *rvp; 1203 struct ieee80211vap *vap; 1204 struct ieee80211_node *ni; 1205 uint32_t rates; 1206 1207 rvp = sc->vaps[i]; 1208 if (rvp == NULL || rvp->curr_mode == R92C_MSR_NOLINK) 1209 continue; 1210 1211 vap = &rvp->vap; 1212 if (vap->iv_bss == NULL) 1213 continue; 1214 1215 ni = ieee80211_ref_node(vap->iv_bss); 1216 rtwn_get_rates(sc, &ni->ni_rates, NULL, &rates, NULL, 1); 1217 basicrates |= rates; 1218 ieee80211_free_node(ni); 1219 } 1220 1221 if (basicrates == 0) 1222 return; 1223 1224 /* XXX initial RTS rate? */ 1225 rtwn_set_basicrates(sc, basicrates); 1226 } 1227 1228 static int 1229 rtwn_run(struct rtwn_softc *sc, struct ieee80211vap *vap) 1230 { 1231 struct ieee80211com *ic = vap->iv_ic; 1232 struct rtwn_vap *uvp = RTWN_VAP(vap); 1233 struct ieee80211_node *ni; 1234 uint8_t mode; 1235 int error; 1236 1237 RTWN_ASSERT_LOCKED(sc); 1238 1239 error = 0; 1240 ni = ieee80211_ref_node(vap->iv_bss); 1241 1242 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC || 1243 ni->ni_chan == IEEE80211_CHAN_ANYC) { 1244 error = EINVAL; 1245 goto fail; 1246 } 1247 1248 switch (vap->iv_opmode) { 1249 case IEEE80211_M_STA: 1250 mode = R92C_MSR_INFRA; 1251 break; 1252 case IEEE80211_M_IBSS: 1253 mode = R92C_MSR_ADHOC; 1254 break; 1255 case IEEE80211_M_HOSTAP: 1256 mode = R92C_MSR_AP; 1257 break; 1258 default: 1259 KASSERT(0, ("undefined opmode %d\n", vap->iv_opmode)); 1260 error = EINVAL; 1261 goto fail; 1262 } 1263 1264 /* Set media status to 'Associated'. */ 1265 rtwn_set_mode(sc, mode, uvp->id); 1266 1267 /* Set AssocID. */ 1268 /* XXX multi-vap? */ 1269 rtwn_write_2(sc, R92C_BCN_PSR_RPT, 1270 0xc000 | IEEE80211_NODE_AID(ni)); 1271 1272 /* Set BSSID. */ 1273 rtwn_set_bssid(sc, ni->ni_bssid, uvp->id); 1274 1275 /* Set beacon interval. */ 1276 rtwn_write_2(sc, R92C_BCN_INTERVAL(uvp->id), ni->ni_intval); 1277 1278 if (sc->vaps_running == sc->monvaps_running) { 1279 /* Enable Rx of data frames. */ 1280 rtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 1281 1282 /* Flush all AC queues. */ 1283 rtwn_write_1(sc, R92C_TXPAUSE, 0); 1284 } 1285 1286 #ifndef RTWN_WITHOUT_UCODE 1287 /* Upload (QoS) Null Data frame to firmware. */ 1288 /* Note: do this for port 0 only. */ 1289 if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 && 1290 vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) { 1291 error = rtwn_tx_fwpkt_check(sc, vap); 1292 if (error != 0) 1293 goto fail; 1294 1295 /* Setup power management. */ 1296 /* 1297 * NB: it will be enabled immediately - delay it, 1298 * so 4-Way handshake will not be interrupted. 1299 */ 1300 callout_reset(&sc->sc_pwrmode_init, 5*hz, 1301 rtwn_pwrmode_init, sc); 1302 } 1303 #endif 1304 1305 /* Enable TSF synchronization. */ 1306 rtwn_tsf_sync_enable(sc, vap); 1307 1308 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 1309 vap->iv_opmode == IEEE80211_M_IBSS) { 1310 error = rtwn_setup_beacon(sc, ni); 1311 if (error != 0) { 1312 device_printf(sc->sc_dev, 1313 "unable to push beacon into the chip, " 1314 "error %d\n", error); 1315 goto fail; 1316 } 1317 } 1318 1319 /* Set ACK preamble type. */ 1320 rtwn_set_ack_preamble(sc); 1321 1322 /* Set basic rates mask. */ 1323 rtwn_calc_basicrates(sc); 1324 1325 #ifdef RTWN_TODO 1326 rtwn_write_1(sc, R92C_SIFS_CCK + 1, 10); 1327 rtwn_write_1(sc, R92C_SIFS_OFDM + 1, 10); 1328 rtwn_write_1(sc, R92C_SPEC_SIFS + 1, 10); 1329 rtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, 10); 1330 rtwn_write_1(sc, R92C_R2T_SIFS + 1, 10); 1331 rtwn_write_1(sc, R92C_T2T_SIFS + 1, 10); 1332 #endif 1333 1334 if (sc->vaps_running == sc->monvaps_running) { 1335 /* Reset temperature calibration state machine. */ 1336 sc->sc_flags &= ~RTWN_TEMP_MEASURED; 1337 sc->thcal_temp = sc->thermal_meter; 1338 1339 /* Start periodic calibration. */ 1340 callout_reset(&sc->sc_calib_to, 2*hz, rtwn_calib_to, 1341 sc); 1342 1343 if (sc->vaps_running == 0) { 1344 /* Turn link LED on. */ 1345 rtwn_set_led(sc, RTWN_LED_LINK, 1); 1346 } 1347 } 1348 1349 fail: 1350 ieee80211_free_node(ni); 1351 1352 return (error); 1353 } 1354 1355 #ifndef D4054 1356 static void 1357 rtwn_watchdog(void *arg) 1358 { 1359 struct rtwn_softc *sc = arg; 1360 struct ieee80211com *ic = &sc->sc_ic; 1361 1362 RTWN_ASSERT_LOCKED(sc); 1363 1364 KASSERT(sc->sc_flags & RTWN_RUNNING, ("not running")); 1365 1366 if (sc->sc_tx_timer != 0 && --sc->sc_tx_timer == 0) { 1367 ic_printf(ic, "device timeout\n"); 1368 ieee80211_restart_all(ic); 1369 return; 1370 } 1371 callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc); 1372 } 1373 #endif 1374 1375 static void 1376 rtwn_parent(struct ieee80211com *ic) 1377 { 1378 struct rtwn_softc *sc = ic->ic_softc; 1379 struct ieee80211vap *vap; 1380 1381 if (ic->ic_nrunning > 0) { 1382 if (rtwn_init(sc) != 0) { 1383 IEEE80211_LOCK(ic); 1384 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) 1385 ieee80211_stop_locked(vap); 1386 IEEE80211_UNLOCK(ic); 1387 } else 1388 ieee80211_start_all(ic); 1389 } else 1390 rtwn_stop(sc); 1391 } 1392 1393 static int 1394 rtwn_dma_init(struct rtwn_softc *sc) 1395 { 1396 #define RTWN_CHK(res) do { \ 1397 if (res != 0) \ 1398 return (EIO); \ 1399 } while(0) 1400 uint16_t reg; 1401 uint8_t tx_boundary; 1402 int error; 1403 1404 /* Initialize LLT table. */ 1405 error = rtwn_llt_init(sc); 1406 if (error != 0) 1407 return (error); 1408 1409 /* Set the number of pages for each queue. */ 1410 RTWN_DPRINTF(sc, RTWN_DEBUG_RESET, 1411 "%s: pages per queue: high %d, normal %d, low %d, public %d\n", 1412 __func__, sc->nhqpages, sc->nnqpages, sc->nlqpages, 1413 sc->npubqpages); 1414 1415 RTWN_CHK(rtwn_write_1(sc, R92C_RQPN_NPQ, sc->nnqpages)); 1416 RTWN_CHK(rtwn_write_4(sc, R92C_RQPN, 1417 /* Set number of pages for public queue. */ 1418 SM(R92C_RQPN_PUBQ, sc->npubqpages) | 1419 /* Set number of pages for high priority queue. */ 1420 SM(R92C_RQPN_HPQ, sc->nhqpages) | 1421 /* Set number of pages for low priority queue. */ 1422 SM(R92C_RQPN_LPQ, sc->nlqpages) | 1423 /* Load values. */ 1424 R92C_RQPN_LD)); 1425 1426 /* Initialize TX buffer boundary. */ 1427 KASSERT(sc->page_count < 255 && sc->page_count > 0, 1428 ("page_count is %d\n", sc->page_count)); 1429 tx_boundary = sc->page_count + 1; 1430 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, tx_boundary)); 1431 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, tx_boundary)); 1432 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, tx_boundary)); 1433 RTWN_CHK(rtwn_write_1(sc, R92C_TRXFF_BNDY, tx_boundary)); 1434 RTWN_CHK(rtwn_write_1(sc, R92C_TDECTRL + 1, tx_boundary)); 1435 1436 error = rtwn_init_bcnq1_boundary(sc); 1437 if (error != 0) 1438 return (error); 1439 1440 /* Set queue to USB pipe mapping. */ 1441 /* Note: PCIe devices are using some magic number here. */ 1442 reg = rtwn_get_qmap(sc); 1443 RTWN_CHK(rtwn_setbits_2(sc, R92C_TRXDMA_CTRL, 1444 R92C_TRXDMA_CTRL_QMAP_M, reg)); 1445 1446 /* Configure Tx/Rx DMA (PCIe). */ 1447 rtwn_set_desc_addr(sc); 1448 1449 /* Set Tx/Rx transfer page boundary. */ 1450 RTWN_CHK(rtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 1451 sc->rx_dma_size - 1)); 1452 1453 /* Set Tx/Rx transfer page size. */ 1454 rtwn_set_page_size(sc); 1455 1456 return (0); 1457 } 1458 1459 static int 1460 rtwn_mac_init(struct rtwn_softc *sc) 1461 { 1462 int i, error; 1463 1464 /* Write MAC initialization values. */ 1465 for (i = 0; i < sc->mac_size; i++) { 1466 error = rtwn_write_1(sc, sc->mac_prog[i].reg, 1467 sc->mac_prog[i].val); 1468 if (error != 0) 1469 return (error); 1470 } 1471 1472 return (0); 1473 } 1474 1475 static void 1476 rtwn_mrr_init(struct rtwn_softc *sc) 1477 { 1478 int i; 1479 1480 /* Drop rate index by 1 per retry. */ 1481 for (i = 0; i < R92C_DARFRC_SIZE; i++) { 1482 rtwn_write_1(sc, R92C_DARFRC + i, i + 1); 1483 rtwn_write_1(sc, R92C_RARFRC + i, i + 1); 1484 } 1485 } 1486 1487 static void 1488 rtwn_scan_start(struct ieee80211com *ic) 1489 { 1490 struct rtwn_softc *sc = ic->ic_softc; 1491 1492 RTWN_LOCK(sc); 1493 /* Pause beaconing. */ 1494 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_BCN); 1495 /* Receive beacons / probe responses from any BSSID. */ 1496 if (sc->bcn_vaps == 0) 1497 rtwn_set_rx_bssid_all(sc, 1); 1498 RTWN_UNLOCK(sc); 1499 } 1500 1501 static void 1502 rtwn_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 1503 { 1504 struct rtwn_softc *sc = ss->ss_ic->ic_softc; 1505 1506 /* Make link LED blink during scan. */ 1507 RTWN_LOCK(sc); 1508 rtwn_set_led(sc, RTWN_LED_LINK, !sc->ledlink); 1509 RTWN_UNLOCK(sc); 1510 1511 sc->sc_scan_curchan(ss, maxdwell); 1512 } 1513 1514 static void 1515 rtwn_scan_end(struct ieee80211com *ic) 1516 { 1517 struct rtwn_softc *sc = ic->ic_softc; 1518 1519 RTWN_LOCK(sc); 1520 /* Restore limitations. */ 1521 if (ic->ic_promisc == 0 && sc->bcn_vaps == 0) 1522 rtwn_set_rx_bssid_all(sc, 0); 1523 1524 /* Restore LED state. */ 1525 rtwn_set_led(sc, RTWN_LED_LINK, (sc->vaps_running != 0)); 1526 1527 /* Restore basic rates mask. */ 1528 rtwn_calc_basicrates(sc); 1529 1530 /* Resume beaconing. */ 1531 rtwn_setbits_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_BCN, 0); 1532 RTWN_UNLOCK(sc); 1533 } 1534 1535 static void 1536 rtwn_getradiocaps(struct ieee80211com *ic, 1537 int maxchans, int *nchans, struct ieee80211_channel chans[]) 1538 { 1539 struct rtwn_softc *sc = ic->ic_softc; 1540 uint8_t bands[IEEE80211_MODE_BYTES]; 1541 int cbw_flags, i; 1542 1543 cbw_flags = (ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) ? 1544 NET80211_CBW_FLAG_HT40 : 0; 1545 1546 memset(bands, 0, sizeof(bands)); 1547 setbit(bands, IEEE80211_MODE_11B); 1548 setbit(bands, IEEE80211_MODE_11G); 1549 setbit(bands, IEEE80211_MODE_11NG); 1550 ieee80211_add_channels_default_2ghz(chans, maxchans, nchans, 1551 bands, cbw_flags); 1552 1553 /* XXX workaround add_channel_list() limitations */ 1554 setbit(bands, IEEE80211_MODE_11A); 1555 setbit(bands, IEEE80211_MODE_11NA); 1556 for (i = 0; i < nitems(sc->chan_num_5ghz); i++) { 1557 if (sc->chan_num_5ghz[i] == 0) 1558 continue; 1559 1560 ieee80211_add_channel_list_5ghz(chans, maxchans, nchans, 1561 sc->chan_list_5ghz[i], sc->chan_num_5ghz[i], bands, 1562 cbw_flags); 1563 } 1564 } 1565 1566 static void 1567 rtwn_update_chw(struct ieee80211com *ic) 1568 { 1569 } 1570 1571 static void 1572 rtwn_set_channel(struct ieee80211com *ic) 1573 { 1574 struct rtwn_softc *sc = ic->ic_softc; 1575 struct ieee80211_channel *c = ic->ic_curchan; 1576 1577 RTWN_LOCK(sc); 1578 rtwn_set_chan(sc, c); 1579 RTWN_UNLOCK(sc); 1580 } 1581 1582 static int 1583 rtwn_wme_update(struct ieee80211com *ic) 1584 { 1585 struct chanAccParams chp; 1586 struct ieee80211_channel *c = ic->ic_curchan; 1587 struct rtwn_softc *sc = ic->ic_softc; 1588 struct wmeParams *wmep = sc->cap_wmeParams; 1589 uint8_t aifs, acm, slottime; 1590 int ac; 1591 1592 ieee80211_wme_ic_getparams(ic, &chp); 1593 1594 /* Prevent possible races. */ 1595 IEEE80211_LOCK(ic); /* XXX */ 1596 RTWN_LOCK(sc); 1597 memcpy(wmep, chp.cap_wmeParams, sizeof(sc->cap_wmeParams)); 1598 RTWN_UNLOCK(sc); 1599 IEEE80211_UNLOCK(ic); 1600 1601 acm = 0; 1602 slottime = IEEE80211_GET_SLOTTIME(ic); 1603 1604 RTWN_LOCK(sc); 1605 for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) { 1606 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */ 1607 aifs = wmep[ac].wmep_aifsn * slottime + 1608 (IEEE80211_IS_CHAN_5GHZ(c) ? 1609 IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS); 1610 rtwn_write_4(sc, wme2reg[ac], 1611 SM(R92C_EDCA_PARAM_TXOP, wmep[ac].wmep_txopLimit) | 1612 SM(R92C_EDCA_PARAM_ECWMIN, wmep[ac].wmep_logcwmin) | 1613 SM(R92C_EDCA_PARAM_ECWMAX, wmep[ac].wmep_logcwmax) | 1614 SM(R92C_EDCA_PARAM_AIFS, aifs)); 1615 if (ac != WME_AC_BE) 1616 acm |= wmep[ac].wmep_acm << ac; 1617 } 1618 1619 if (acm != 0) 1620 acm |= R92C_ACMHWCTRL_EN; 1621 rtwn_setbits_1(sc, R92C_ACMHWCTRL, R92C_ACMHWCTRL_ACM_MASK, acm); 1622 RTWN_UNLOCK(sc); 1623 1624 return 0; 1625 } 1626 1627 static void 1628 rtwn_update_slot(struct ieee80211com *ic) 1629 { 1630 rtwn_cmd_sleepable(ic->ic_softc, NULL, 0, rtwn_update_slot_cb); 1631 } 1632 1633 static void 1634 rtwn_update_slot_cb(struct rtwn_softc *sc, union sec_param *data) 1635 { 1636 struct ieee80211com *ic = &sc->sc_ic; 1637 uint8_t slottime; 1638 1639 slottime = IEEE80211_GET_SLOTTIME(ic); 1640 1641 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s: setting slot time to %uus\n", 1642 __func__, slottime); 1643 1644 rtwn_write_1(sc, R92C_SLOT, slottime); 1645 rtwn_update_aifs(sc, slottime); 1646 } 1647 1648 static void 1649 rtwn_update_aifs(struct rtwn_softc *sc, uint8_t slottime) 1650 { 1651 struct ieee80211_channel *c = sc->sc_ic.ic_curchan; 1652 const struct wmeParams *wmep = sc->cap_wmeParams; 1653 uint8_t aifs, ac; 1654 1655 for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) { 1656 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */ 1657 aifs = wmep[ac].wmep_aifsn * slottime + 1658 (IEEE80211_IS_CHAN_5GHZ(c) ? 1659 IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS); 1660 rtwn_write_1(sc, wme2reg[ac], aifs); 1661 } 1662 } 1663 1664 static void 1665 rtwn_update_promisc(struct ieee80211com *ic) 1666 { 1667 struct rtwn_softc *sc = ic->ic_softc; 1668 1669 RTWN_LOCK(sc); 1670 if (sc->sc_flags & RTWN_RUNNING) 1671 rtwn_set_promisc(sc); 1672 RTWN_UNLOCK(sc); 1673 } 1674 1675 static void 1676 rtwn_update_mcast(struct ieee80211com *ic) 1677 { 1678 struct rtwn_softc *sc = ic->ic_softc; 1679 1680 RTWN_LOCK(sc); 1681 if (sc->sc_flags & RTWN_RUNNING) 1682 rtwn_set_multi(sc); 1683 RTWN_UNLOCK(sc); 1684 } 1685 1686 static int 1687 rtwn_set_bssid(struct rtwn_softc *sc, const uint8_t *bssid, int id) 1688 { 1689 int error; 1690 1691 error = rtwn_write_4(sc, R92C_BSSID(id), le32dec(&bssid[0])); 1692 if (error != 0) 1693 return (error); 1694 error = rtwn_write_2(sc, R92C_BSSID(id) + 4, le16dec(&bssid[4])); 1695 1696 return (error); 1697 } 1698 1699 static int 1700 rtwn_set_macaddr(struct rtwn_softc *sc, const uint8_t *addr, int id) 1701 { 1702 int error; 1703 1704 error = rtwn_write_4(sc, R92C_MACID(id), le32dec(&addr[0])); 1705 if (error != 0) 1706 return (error); 1707 error = rtwn_write_2(sc, R92C_MACID(id) + 4, le16dec(&addr[4])); 1708 1709 return (error); 1710 } 1711 1712 static struct ieee80211_node * 1713 rtwn_node_alloc(struct ieee80211vap *vap, 1714 const uint8_t mac[IEEE80211_ADDR_LEN]) 1715 { 1716 struct rtwn_node *un; 1717 1718 un = malloc(sizeof (struct rtwn_node), M_80211_NODE, 1719 M_NOWAIT | M_ZERO); 1720 1721 if (un == NULL) 1722 return NULL; 1723 1724 un->id = RTWN_MACID_UNDEFINED; 1725 un->avg_pwdb = -1; 1726 1727 return &un->ni; 1728 } 1729 1730 static void 1731 rtwn_newassoc(struct ieee80211_node *ni, int isnew __unused) 1732 { 1733 struct rtwn_softc *sc = ni->ni_ic->ic_softc; 1734 struct rtwn_node *un = RTWN_NODE(ni); 1735 int id; 1736 1737 if (un->id != RTWN_MACID_UNDEFINED) 1738 return; 1739 1740 RTWN_NT_LOCK(sc); 1741 for (id = 0; id <= sc->macid_limit; id++) { 1742 if (id != RTWN_MACID_BC && sc->node_list[id] == NULL) { 1743 un->id = id; 1744 sc->node_list[id] = ni; 1745 break; 1746 } 1747 } 1748 RTWN_NT_UNLOCK(sc); 1749 1750 if (id > sc->macid_limit) { 1751 device_printf(sc->sc_dev, "%s: node table is full\n", 1752 __func__); 1753 return; 1754 } 1755 1756 /* Notify firmware. */ 1757 id |= RTWN_MACID_VALID; 1758 rtwn_cmd_sleepable(sc, &id, sizeof(id), rtwn_set_media_status); 1759 } 1760 1761 static void 1762 rtwn_node_free(struct ieee80211_node *ni) 1763 { 1764 struct rtwn_softc *sc = ni->ni_ic->ic_softc; 1765 struct rtwn_node *un = RTWN_NODE(ni); 1766 1767 RTWN_NT_LOCK(sc); 1768 if (un->id != RTWN_MACID_UNDEFINED) { 1769 sc->node_list[un->id] = NULL; 1770 rtwn_cmd_sleepable(sc, &un->id, sizeof(un->id), 1771 rtwn_set_media_status); 1772 } 1773 RTWN_NT_UNLOCK(sc); 1774 1775 sc->sc_node_free(ni); 1776 } 1777 1778 static void 1779 rtwn_init_beacon_reg(struct rtwn_softc *sc) 1780 { 1781 rtwn_write_1(sc, R92C_BCN_CTRL(0), R92C_BCN_CTRL_DIS_TSF_UDT0); 1782 rtwn_write_1(sc, R92C_BCN_CTRL(1), R92C_BCN_CTRL_DIS_TSF_UDT0); 1783 rtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404); 1784 rtwn_write_1(sc, R92C_DRVERLYINT, 0x05); 1785 rtwn_write_1(sc, R92C_BCNDMATIM, 0x02); 1786 rtwn_write_2(sc, R92C_BCNTCFG, 0x660f); 1787 } 1788 1789 static int 1790 rtwn_init(struct rtwn_softc *sc) 1791 { 1792 struct ieee80211com *ic = &sc->sc_ic; 1793 int i, error; 1794 1795 RTWN_LOCK(sc); 1796 if (sc->sc_flags & RTWN_RUNNING) { 1797 RTWN_UNLOCK(sc); 1798 return (0); 1799 } 1800 sc->sc_flags |= RTWN_STARTED; 1801 1802 /* Power on adapter. */ 1803 error = rtwn_power_on(sc); 1804 if (error != 0) 1805 goto fail; 1806 1807 #ifndef RTWN_WITHOUT_UCODE 1808 /* Load 8051 microcode. */ 1809 error = rtwn_load_firmware(sc); 1810 if (error == 0) 1811 sc->sc_flags |= RTWN_FW_LOADED; 1812 1813 /* Init firmware commands ring. */ 1814 sc->fwcur = 0; 1815 #endif 1816 1817 /* Initialize MAC block. */ 1818 error = rtwn_mac_init(sc); 1819 if (error != 0) { 1820 device_printf(sc->sc_dev, 1821 "%s: error while initializing MAC block\n", __func__); 1822 goto fail; 1823 } 1824 1825 /* Initialize DMA. */ 1826 error = rtwn_dma_init(sc); 1827 if (error != 0) 1828 goto fail; 1829 1830 /* Drop incorrect TX (USB). */ 1831 rtwn_drop_incorrect_tx(sc); 1832 1833 /* Set info size in Rx descriptors (in 64-bit words). */ 1834 rtwn_write_1(sc, R92C_RX_DRVINFO_SZ, R92C_RX_DRVINFO_SZ_DEF); 1835 1836 /* Init interrupts. */ 1837 rtwn_init_intr(sc); 1838 1839 for (i = 0; i < nitems(sc->vaps); i++) { 1840 struct rtwn_vap *uvp = sc->vaps[i]; 1841 1842 /* Set initial network type. */ 1843 rtwn_set_mode(sc, R92C_MSR_NOLINK, i); 1844 1845 if (uvp == NULL) 1846 continue; 1847 1848 /* Set MAC address. */ 1849 error = rtwn_set_macaddr(sc, uvp->vap.iv_myaddr, uvp->id); 1850 if (error != 0) 1851 goto fail; 1852 } 1853 1854 /* Initialize Rx filter. */ 1855 rtwn_rxfilter_init(sc); 1856 1857 /* Set short/long retry limits. */ 1858 rtwn_write_2(sc, R92C_RL, 1859 SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30)); 1860 1861 /* Initialize EDCA parameters. */ 1862 rtwn_init_edca(sc); 1863 1864 rtwn_setbits_1(sc, R92C_FWHW_TXQ_CTRL, 0, 1865 R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW); 1866 /* Set ACK timeout. */ 1867 rtwn_write_1(sc, R92C_ACKTO, sc->ackto); 1868 1869 /* Setup aggregation. */ 1870 /* Tx aggregation. */ 1871 rtwn_init_tx_agg(sc); 1872 rtwn_init_rx_agg(sc); 1873 1874 /* Initialize beacon parameters. */ 1875 rtwn_init_beacon_reg(sc); 1876 1877 /* Init A-MPDU parameters. */ 1878 rtwn_init_ampdu(sc); 1879 1880 /* Init MACTXEN / MACRXEN after setting RxFF boundary. */ 1881 rtwn_setbits_1(sc, R92C_CR, 0, R92C_CR_MACTXEN | R92C_CR_MACRXEN); 1882 1883 /* Initialize BB/RF blocks. */ 1884 rtwn_init_bb(sc); 1885 rtwn_init_rf(sc); 1886 1887 /* Initialize wireless band. */ 1888 rtwn_set_chan(sc, ic->ic_curchan); 1889 1890 /* Clear per-station keys table. */ 1891 rtwn_init_cam(sc); 1892 1893 /* Enable decryption / encryption. */ 1894 rtwn_init_seccfg(sc); 1895 1896 /* Install static keys (if any). */ 1897 for (i = 0; i < nitems(sc->vaps); i++) { 1898 if (sc->vaps[i] != NULL) { 1899 error = rtwn_init_static_keys(sc, sc->vaps[i]); 1900 if (error != 0) 1901 goto fail; 1902 } 1903 } 1904 1905 /* Initialize antenna selection. */ 1906 rtwn_init_antsel(sc); 1907 1908 /* Enable hardware sequence numbering. */ 1909 rtwn_write_1(sc, R92C_HWSEQ_CTRL, R92C_TX_QUEUE_ALL); 1910 1911 /* Disable BAR. */ 1912 rtwn_write_4(sc, R92C_BAR_MODE_CTRL, 0x0201ffff); 1913 1914 /* NAV limit. */ 1915 rtwn_write_1(sc, R92C_NAV_UPPER, 0); 1916 1917 /* Initialize GPIO setting. */ 1918 rtwn_setbits_1(sc, R92C_GPIO_MUXCFG, R92C_GPIO_MUXCFG_ENBT, 0); 1919 1920 /* Initialize MRR. */ 1921 rtwn_mrr_init(sc); 1922 1923 /* Device-specific post initialization. */ 1924 rtwn_post_init(sc); 1925 1926 rtwn_start_xfers(sc); 1927 1928 #ifndef D4054 1929 callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc); 1930 #endif 1931 1932 sc->sc_flags |= RTWN_RUNNING; 1933 fail: 1934 RTWN_UNLOCK(sc); 1935 1936 return (error); 1937 } 1938 1939 static void 1940 rtwn_stop(struct rtwn_softc *sc) 1941 { 1942 1943 RTWN_LOCK(sc); 1944 if (!(sc->sc_flags & RTWN_STARTED)) { 1945 RTWN_UNLOCK(sc); 1946 return; 1947 } 1948 1949 #ifndef D4054 1950 callout_stop(&sc->sc_watchdog_to); 1951 sc->sc_tx_timer = 0; 1952 #endif 1953 sc->sc_flags &= ~(RTWN_STARTED | RTWN_RUNNING | RTWN_FW_LOADED); 1954 sc->sc_flags &= ~RTWN_TEMP_MEASURED; 1955 sc->fwver = 0; 1956 sc->thcal_temp = 0; 1957 sc->cur_bcnq_id = RTWN_VAP_ID_INVALID; 1958 bzero(&sc->last_physt, sizeof(sc->last_physt)); 1959 1960 #ifdef D4054 1961 ieee80211_tx_watchdog_stop(&sc->sc_ic); 1962 #endif 1963 1964 rtwn_abort_xfers(sc); 1965 rtwn_drain_mbufq(sc); 1966 rtwn_power_off(sc); 1967 rtwn_reset_lists(sc, NULL); 1968 RTWN_UNLOCK(sc); 1969 } 1970 1971 MODULE_VERSION(rtwn, 2); 1972 MODULE_DEPEND(rtwn, wlan, 1, 1, 1); 1973 #ifndef RTWN_WITHOUT_UCODE 1974 MODULE_DEPEND(rtwn, firmware, 1, 1, 1); 1975 #endif 1976