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 #ifdef RTWN_DEBUG 325 static int 326 rtwn_sysctl_reg_readwrite(SYSCTL_HANDLER_ARGS) 327 { 328 struct rtwn_softc *sc = arg1; 329 int error; 330 uint32_t val; 331 332 if (sc->sc_reg_addr > 0xffff) 333 return (EINVAL); 334 335 RTWN_LOCK(sc); 336 val = rtwn_read_4(sc, sc->sc_reg_addr); 337 RTWN_UNLOCK(sc); 338 error = sysctl_handle_int(oidp, &val, 0, req); 339 if (error || !req->newptr) 340 return (error); 341 RTWN_LOCK(sc); 342 rtwn_write_4(sc, sc->sc_reg_addr, val); 343 RTWN_UNLOCK(sc); 344 return (0); 345 } 346 #endif /* RTWN_DEBUG */ 347 348 void 349 rtwn_sysctlattach(struct rtwn_softc *sc) 350 { 351 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev); 352 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev); 353 354 sc->sc_reg_addr = 0; 355 #ifdef RTWN_DEBUG 356 SYSCTL_ADD_UINT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 357 "reg_addr", CTLFLAG_RW, &sc->sc_reg_addr, 358 sc->sc_reg_addr, "debug register address"); 359 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 360 "reg_val", CTLTYPE_INT | CTLFLAG_RW, sc, 0, 361 rtwn_sysctl_reg_readwrite, "I", "debug register read/write"); 362 #endif /* RTWN_DEBUG */ 363 364 sc->sc_ht40 = 0; 365 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 366 "ht40", CTLFLAG_RDTUN, &sc->sc_ht40, 367 sc->sc_ht40, "Enable 40 MHz mode support"); 368 369 sc->sc_ena_tsf64 = 0; 370 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 371 "ena_tsf64", CTLFLAG_RWTUN, &sc->sc_ena_tsf64, 372 sc->sc_ena_tsf64, "Enable/disable per-packet TSF64 reporting"); 373 374 #ifdef RTWN_DEBUG 375 SYSCTL_ADD_U32(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 376 "debug", CTLFLAG_RWTUN, &sc->sc_debug, sc->sc_debug, 377 "Control debugging printfs"); 378 #endif 379 380 sc->sc_hwcrypto = RTWN_CRYPTO_PAIR; 381 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 382 "hwcrypto", CTLFLAG_RDTUN, &sc->sc_hwcrypto, 383 sc->sc_hwcrypto, "Enable h/w crypto: " 384 "0 - disable, 1 - pairwise keys, 2 - all keys"); 385 if (sc->sc_hwcrypto >= RTWN_CRYPTO_MAX) 386 sc->sc_hwcrypto = RTWN_CRYPTO_FULL; 387 388 sc->sc_ratectl_sysctl = RTWN_RATECTL_NET80211; 389 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 390 "ratectl", CTLFLAG_RDTUN, &sc->sc_ratectl_sysctl, 391 sc->sc_ratectl_sysctl, "Select rate control mechanism: " 392 "0 - disabled, 1 - via net80211, 2 - via firmware"); 393 if (sc->sc_ratectl_sysctl >= RTWN_RATECTL_MAX) 394 sc->sc_ratectl_sysctl = RTWN_RATECTL_FW; 395 396 sc->sc_ratectl = sc->sc_ratectl_sysctl; 397 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO, 398 "ratectl_selected", CTLFLAG_RD, &sc->sc_ratectl, 399 sc->sc_ratectl, 400 "Currently selected rate control mechanism (by the driver)"); 401 } 402 403 void 404 rtwn_detach(struct rtwn_softc *sc) 405 { 406 struct ieee80211com *ic = &sc->sc_ic; 407 408 if (ic->ic_softc == sc) { 409 /* Stop command queue. */ 410 RTWN_CMDQ_LOCK(sc); 411 sc->sc_detached = 1; 412 RTWN_CMDQ_UNLOCK(sc); 413 414 ieee80211_draintask(ic, &sc->cmdq_task); 415 ieee80211_ifdetach(ic); 416 } 417 418 rtwn_cmdq_destroy(sc); 419 if (RTWN_NT_LOCK_INITIALIZED(sc)) 420 RTWN_NT_LOCK_DESTROY(sc); 421 } 422 423 void 424 rtwn_suspend(struct rtwn_softc *sc) 425 { 426 struct ieee80211com *ic = &sc->sc_ic; 427 428 ieee80211_suspend_all(ic); 429 } 430 431 void 432 rtwn_resume(struct rtwn_softc *sc) 433 { 434 struct ieee80211com *ic = &sc->sc_ic; 435 436 ieee80211_resume_all(ic); 437 } 438 439 static void 440 rtwn_vap_decrement_counters(struct rtwn_softc *sc, 441 enum ieee80211_opmode opmode, int id) 442 { 443 444 RTWN_ASSERT_LOCKED(sc); 445 446 if (id != RTWN_VAP_ID_INVALID) { 447 KASSERT(id == 0 || id == 1, ("wrong vap id %d!\n", id)); 448 KASSERT(sc->vaps[id] != NULL, ("vap pointer is NULL\n")); 449 sc->vaps[id] = NULL; 450 } 451 452 switch (opmode) { 453 case IEEE80211_M_HOSTAP: 454 sc->ap_vaps--; 455 /* FALLTHROUGH */ 456 case IEEE80211_M_IBSS: 457 sc->bcn_vaps--; 458 /* FALLTHROUGH */ 459 case IEEE80211_M_STA: 460 sc->nvaps--; 461 break; 462 case IEEE80211_M_MONITOR: 463 sc->mon_vaps--; 464 break; 465 default: 466 KASSERT(0, ("wrong opmode %d\n", opmode)); 467 break; 468 } 469 470 KASSERT(sc->vaps_running >= 0 && sc->monvaps_running >= 0, 471 ("number of running vaps is negative (vaps %d, monvaps %d)\n", 472 sc->vaps_running, sc->monvaps_running)); 473 KASSERT(sc->vaps_running - sc->monvaps_running <= RTWN_PORT_COUNT, 474 ("number of running vaps is too big (vaps %d, monvaps %d)\n", 475 sc->vaps_running, sc->monvaps_running)); 476 477 KASSERT(sc->nvaps >= 0 && sc->nvaps <= RTWN_PORT_COUNT, 478 ("wrong value %d for nvaps\n", sc->nvaps)); 479 KASSERT(sc->mon_vaps >= 0, ("mon_vaps is negative (%d)\n", 480 sc->mon_vaps)); 481 KASSERT(sc->bcn_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) && 482 sc->bcn_vaps <= RTWN_PORT_COUNT) || sc->bcn_vaps <= 1), 483 ("bcn_vaps value %d is wrong\n", sc->bcn_vaps)); 484 KASSERT(sc->ap_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) && 485 sc->ap_vaps <= RTWN_PORT_COUNT) || sc->ap_vaps <= 1), 486 ("ap_vaps value %d is wrong\n", sc->ap_vaps)); 487 } 488 489 static void 490 rtwn_set_ic_opmode(struct rtwn_softc *sc) 491 { 492 struct ieee80211com *ic = &sc->sc_ic; 493 494 RTWN_ASSERT_LOCKED(sc); 495 496 /* for ieee80211_reset_erp() */ 497 if (sc->bcn_vaps - sc->ap_vaps > 0) 498 ic->ic_opmode = IEEE80211_M_IBSS; 499 else if (sc->ap_vaps > 0) 500 ic->ic_opmode = IEEE80211_M_HOSTAP; 501 else if (sc->nvaps > 0) 502 ic->ic_opmode = IEEE80211_M_STA; 503 else 504 ic->ic_opmode = IEEE80211_M_MONITOR; 505 } 506 507 static struct ieee80211vap * 508 rtwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit, 509 enum ieee80211_opmode opmode, int flags, 510 const uint8_t bssid[IEEE80211_ADDR_LEN], 511 const uint8_t mac[IEEE80211_ADDR_LEN]) 512 { 513 struct rtwn_softc *sc = ic->ic_softc; 514 struct rtwn_vap *uvp; 515 struct ieee80211vap *vap; 516 int id = RTWN_VAP_ID_INVALID; 517 518 RTWN_LOCK(sc); 519 KASSERT(sc->nvaps <= RTWN_PORT_COUNT, 520 ("nvaps overflow (%d > %d)\n", sc->nvaps, RTWN_PORT_COUNT)); 521 KASSERT(sc->ap_vaps <= RTWN_PORT_COUNT, 522 ("ap_vaps overflow (%d > %d)\n", sc->ap_vaps, RTWN_PORT_COUNT)); 523 KASSERT(sc->bcn_vaps <= RTWN_PORT_COUNT, 524 ("bcn_vaps overflow (%d > %d)\n", sc->bcn_vaps, RTWN_PORT_COUNT)); 525 526 if (opmode != IEEE80211_M_MONITOR) { 527 switch (sc->nvaps) { 528 case 0: 529 id = 0; 530 break; 531 case 1: 532 if (sc->vaps[1] == NULL) 533 id = 1; 534 else if (sc->vaps[0] == NULL) 535 id = 0; 536 KASSERT(id != RTWN_VAP_ID_INVALID, 537 ("no free ports left\n")); 538 break; 539 case 2: 540 default: 541 goto fail; 542 } 543 544 if (opmode == IEEE80211_M_IBSS || 545 opmode == IEEE80211_M_HOSTAP) { 546 if ((sc->bcn_vaps == 1 && !RTWN_CHIP_HAS_BCNQ1(sc)) || 547 sc->bcn_vaps == RTWN_PORT_COUNT) 548 goto fail; 549 } 550 } 551 552 switch (opmode) { 553 case IEEE80211_M_HOSTAP: 554 sc->ap_vaps++; 555 /* FALLTHROUGH */ 556 case IEEE80211_M_IBSS: 557 sc->bcn_vaps++; 558 /* FALLTHROUGH */ 559 case IEEE80211_M_STA: 560 sc->nvaps++; 561 break; 562 case IEEE80211_M_MONITOR: 563 sc->mon_vaps++; 564 break; 565 default: 566 KASSERT(0, ("unknown opmode %d\n", opmode)); 567 goto fail; 568 } 569 RTWN_UNLOCK(sc); 570 571 uvp = malloc(sizeof(struct rtwn_vap), M_80211_VAP, M_WAITOK | M_ZERO); 572 uvp->id = id; 573 if (id != RTWN_VAP_ID_INVALID) { 574 RTWN_LOCK(sc); 575 sc->vaps[id] = uvp; 576 RTWN_UNLOCK(sc); 577 } 578 vap = &uvp->vap; 579 /* enable s/w bmiss handling for sta mode */ 580 581 if (ieee80211_vap_setup(ic, vap, name, unit, opmode, 582 flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) { 583 /* out of memory */ 584 free(uvp, M_80211_VAP); 585 586 RTWN_LOCK(sc); 587 rtwn_vap_decrement_counters(sc, opmode, id); 588 RTWN_UNLOCK(sc); 589 590 return (NULL); 591 } 592 593 rtwn_beacon_init(sc, &uvp->bcn_desc.txd[0], uvp->id); 594 rtwn_vap_preattach(sc, vap); 595 596 /* override state transition machine */ 597 uvp->newstate = vap->iv_newstate; 598 if (opmode == IEEE80211_M_MONITOR) 599 vap->iv_newstate = rtwn_monitor_newstate; 600 else 601 vap->iv_newstate = rtwn_newstate; 602 vap->iv_update_beacon = rtwn_update_beacon; 603 vap->iv_reset = rtwn_ioctl_reset; 604 vap->iv_key_alloc = rtwn_key_alloc; 605 vap->iv_key_set = rtwn_key_set; 606 vap->iv_key_delete = rtwn_key_delete; 607 vap->iv_max_aid = sc->macid_limit; 608 609 /* 802.11n parameters */ 610 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16; 611 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K; 612 vap->iv_ampdu_limit = IEEE80211_HTCAP_MAXRXAMPDU_64K; 613 614 TIMEOUT_TASK_INIT(taskqueue_thread, &uvp->tx_beacon_csa, 0, 615 rtwn_tx_beacon_csa, vap); 616 if (opmode == IEEE80211_M_IBSS) { 617 uvp->recv_mgmt = vap->iv_recv_mgmt; 618 vap->iv_recv_mgmt = rtwn_adhoc_recv_mgmt; 619 TASK_INIT(&uvp->tsf_sync_adhoc_task, 0, 620 rtwn_tsf_sync_adhoc_task, vap); 621 callout_init(&uvp->tsf_sync_adhoc, 0); 622 } 623 624 /* 625 * NB: driver can select net80211 RA even when user requests 626 * another mechanism. 627 */ 628 ieee80211_ratectl_init(vap); 629 630 /* complete setup */ 631 ieee80211_vap_attach(vap, ieee80211_media_change, 632 ieee80211_media_status, mac); 633 634 RTWN_LOCK(sc); 635 rtwn_set_ic_opmode(sc); 636 if (sc->sc_flags & RTWN_RUNNING) { 637 if (uvp->id != RTWN_VAP_ID_INVALID) 638 rtwn_set_macaddr(sc, vap->iv_myaddr, uvp->id); 639 640 rtwn_rxfilter_update(sc); 641 } 642 RTWN_UNLOCK(sc); 643 644 return (vap); 645 646 fail: 647 RTWN_UNLOCK(sc); 648 return (NULL); 649 } 650 651 static void 652 rtwn_vap_delete(struct ieee80211vap *vap) 653 { 654 struct ieee80211com *ic = vap->iv_ic; 655 struct rtwn_softc *sc = ic->ic_softc; 656 struct rtwn_vap *uvp = RTWN_VAP(vap); 657 int i; 658 659 /* Put vap into INIT state + stop device if needed. */ 660 ieee80211_stop(vap); 661 for (i = 0; i < NET80211_IV_NSTATE_NUM; i++) 662 ieee80211_draintask(ic, &vap->iv_nstate_task[i]); 663 ieee80211_draintask(ic, &ic->ic_parent_task); 664 665 RTWN_LOCK(sc); 666 /* Cancel any unfinished Tx. */ 667 rtwn_reset_lists(sc, vap); 668 if (uvp->bcn_mbuf != NULL) 669 m_freem(uvp->bcn_mbuf); 670 rtwn_vap_decrement_counters(sc, vap->iv_opmode, uvp->id); 671 rtwn_set_ic_opmode(sc); 672 if (sc->sc_flags & RTWN_RUNNING) 673 rtwn_rxfilter_update(sc); 674 RTWN_UNLOCK(sc); 675 676 if (vap->iv_opmode == IEEE80211_M_IBSS) { 677 ieee80211_draintask(ic, &uvp->tsf_sync_adhoc_task); 678 callout_drain(&uvp->tsf_sync_adhoc); 679 } 680 681 ieee80211_ratectl_deinit(vap); 682 ieee80211_vap_detach(vap); 683 free(uvp, M_80211_VAP); 684 } 685 686 static int 687 rtwn_read_chipid(struct rtwn_softc *sc) 688 { 689 uint32_t reg; 690 691 reg = rtwn_read_4(sc, R92C_SYS_CFG); 692 if (reg & R92C_SYS_CFG_TRP_VAUX_EN) /* test chip */ 693 return (EOPNOTSUPP); 694 695 rtwn_read_chipid_vendor(sc, reg); 696 697 return (0); 698 } 699 700 static int 701 rtwn_ioctl_reset(struct ieee80211vap *vap, u_long cmd) 702 { 703 int error; 704 705 switch (cmd) { 706 #ifndef RTWN_WITHOUT_UCODE 707 case IEEE80211_IOC_POWERSAVE: 708 case IEEE80211_IOC_POWERSAVESLEEP: 709 { 710 struct rtwn_softc *sc = vap->iv_ic->ic_softc; 711 struct rtwn_vap *uvp = RTWN_VAP(vap); 712 713 if (vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) { 714 RTWN_LOCK(sc); 715 if (sc->sc_flags & RTWN_RUNNING) 716 error = rtwn_set_pwrmode(sc, vap, 1); 717 else 718 error = 0; 719 RTWN_UNLOCK(sc); 720 if (error != 0) 721 error = ENETRESET; 722 } else 723 error = EOPNOTSUPP; 724 break; 725 } 726 #endif 727 case IEEE80211_IOC_SHORTGI: 728 case IEEE80211_IOC_RTSTHRESHOLD: 729 case IEEE80211_IOC_PROTMODE: 730 case IEEE80211_IOC_HTPROTMODE: 731 case IEEE80211_IOC_LDPC: 732 error = 0; 733 break; 734 case IEEE80211_IOC_TXPOWER: 735 { 736 struct rtwn_softc *sc = vap->iv_ic->ic_softc; 737 RTWN_LOCK(sc); 738 error = rtwn_set_tx_power(sc, vap); 739 RTWN_UNLOCK(sc); 740 } 741 break; 742 default: 743 error = ENETRESET; 744 break; 745 } 746 747 return (error); 748 } 749 750 static void 751 rtwn_set_media_status(struct rtwn_softc *sc, union sec_param *data) 752 { 753 sc->sc_set_media_status(sc, data->macid); 754 } 755 756 #ifndef RTWN_WITHOUT_UCODE 757 static int 758 rtwn_tx_fwpkt_check(struct rtwn_softc *sc, struct ieee80211vap *vap) 759 { 760 int ntries, error; 761 762 for (ntries = 0; ntries < 5; ntries++) { 763 error = rtwn_push_nulldata(sc, vap); 764 if (error == 0) 765 break; 766 } 767 if (ntries == 5) { 768 device_printf(sc->sc_dev, 769 "%s: cannot push f/w frames into chip, error %d!\n", 770 __func__, error); 771 return (error); 772 } 773 774 return (0); 775 } 776 777 static int 778 rtwn_construct_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap, 779 uint8_t *ptr, int qos) 780 { 781 struct rtwn_vap *uvp = RTWN_VAP(vap); 782 struct ieee80211com *ic = &sc->sc_ic; 783 struct rtwn_tx_desc_common *txd; 784 struct ieee80211_frame *wh; 785 int pktlen; 786 787 /* XXX obtain from net80211 */ 788 wh = (struct ieee80211_frame *)(ptr + sc->txdesc_len); 789 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA; 790 wh->i_fc[1] = IEEE80211_FC1_DIR_TODS; 791 IEEE80211_ADDR_COPY(wh->i_addr1, vap->iv_bss->ni_bssid); 792 IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr); 793 IEEE80211_ADDR_COPY(wh->i_addr3, vap->iv_bss->ni_macaddr); 794 795 txd = (struct rtwn_tx_desc_common *)ptr; 796 txd->offset = sc->txdesc_len; 797 pktlen = sc->txdesc_len; 798 if (qos) { 799 struct ieee80211_qosframe *qwh; 800 const int tid = WME_AC_TO_TID(WME_AC_BE); 801 802 qwh = (struct ieee80211_qosframe *)wh; 803 qwh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_QOS_NULL; 804 qwh->i_qos[0] = tid & IEEE80211_QOS_TID; 805 806 txd->pktlen = htole16(sizeof(struct ieee80211_qosframe)); 807 pktlen += sizeof(struct ieee80211_qosframe); 808 } else { 809 wh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_NODATA; 810 811 txd->pktlen = htole16(sizeof(struct ieee80211_frame)); 812 pktlen += sizeof(struct ieee80211_frame); 813 } 814 815 rtwn_fill_tx_desc_null(sc, ptr, 816 ic->ic_curmode == IEEE80211_MODE_11B, qos, uvp->id); 817 818 return (pktlen); 819 } 820 821 static int 822 rtwn_push_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap) 823 { 824 struct rtwn_vap *uvp = RTWN_VAP(vap); 825 struct ieee80211com *ic = vap->iv_ic; 826 struct ieee80211_channel *c = ic->ic_curchan; 827 struct mbuf *m; 828 uint8_t *ptr; 829 int required_size, bcn_size, null_size, null_data, error; 830 831 if (!(sc->sc_flags & RTWN_FW_LOADED)) 832 return (0); /* requires firmware */ 833 834 KASSERT(sc->page_size > 0, ("page size was not set!\n")); 835 836 /* Leave some space for beacon (multi-vap) */ 837 bcn_size = roundup(RTWN_BCN_MAX_SIZE, sc->page_size); 838 /* 1 page for Null Data + 1 page for Qos Null Data frames. */ 839 required_size = bcn_size + sc->page_size * 2; 840 841 m = m_get2(required_size, M_NOWAIT, MT_DATA, M_PKTHDR); 842 if (m == NULL) 843 return (ENOMEM); 844 845 /* Setup beacon descriptor. */ 846 rtwn_beacon_set_rate(sc, &uvp->bcn_desc.txd[0], 847 IEEE80211_IS_CHAN_5GHZ(c)); 848 849 ptr = mtod(m, uint8_t *); 850 memset(ptr, 0, required_size - sc->txdesc_len); 851 852 /* Construct Null Data frame. */ 853 ptr += bcn_size - sc->txdesc_len; 854 null_size = rtwn_construct_nulldata(sc, vap, ptr, 0); 855 KASSERT(null_size < sc->page_size, 856 ("recalculate size for Null Data frame\n")); 857 858 /* Construct Qos Null Data frame. */ 859 ptr += roundup(null_size, sc->page_size); 860 null_size = rtwn_construct_nulldata(sc, vap, ptr, 1); 861 KASSERT(null_size < sc->page_size, 862 ("recalculate size for Qos Null Data frame\n")); 863 864 /* Do not try to detect a beacon here. */ 865 rtwn_setbits_1_shift(sc, R92C_CR, 0, R92C_CR_ENSWBCN, 1); 866 rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL, 867 R92C_FWHW_TXQ_CTRL_REAL_BEACON, 0, 2); 868 869 if (uvp->bcn_mbuf != NULL) { 870 rtwn_beacon_unload(sc, uvp->id); 871 m_freem(uvp->bcn_mbuf); 872 } 873 874 m->m_pkthdr.len = m->m_len = required_size - sc->txdesc_len; 875 uvp->bcn_mbuf = m; 876 877 error = rtwn_tx_beacon_check(sc, uvp); 878 if (error != 0) { 879 RTWN_DPRINTF(sc, RTWN_DEBUG_BEACON, 880 "%s: frame was not recognized!\n", __func__); 881 goto fail; 882 } 883 884 /* Setup addresses in firmware. */ 885 null_data = howmany(bcn_size, sc->page_size); 886 error = rtwn_set_rsvd_page(sc, 0, null_data, null_data + 1); 887 if (error != 0) { 888 device_printf(sc->sc_dev, 889 "%s: CMD_RSVD_PAGE was not sent, error %d\n", 890 __func__, error); 891 goto fail; 892 } 893 894 fail: 895 /* Re-enable beacon detection. */ 896 rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL, 897 0, R92C_FWHW_TXQ_CTRL_REAL_BEACON, 2); 898 rtwn_setbits_1_shift(sc, R92C_CR, R92C_CR_ENSWBCN, 0, 1); 899 900 /* Restore beacon (if present). */ 901 if (sc->bcn_vaps > 0 && sc->vaps[!uvp->id] != NULL) { 902 struct rtwn_vap *uvp2 = sc->vaps[!uvp->id]; 903 904 if (uvp2->curr_mode != R92C_MSR_NOLINK) 905 error = rtwn_tx_beacon_check(sc, uvp2); 906 } 907 908 return (error); 909 } 910 911 static void 912 rtwn_pwrmode_init(void *arg) 913 { 914 struct rtwn_softc *sc = arg; 915 916 rtwn_cmd_sleepable(sc, NULL, 0, rtwn_set_pwrmode_cb); 917 } 918 919 static void 920 rtwn_set_pwrmode_cb(struct rtwn_softc *sc, union sec_param *data) 921 { 922 struct ieee80211vap *vap = &sc->vaps[0]->vap; 923 924 if (vap != NULL) 925 rtwn_set_pwrmode(sc, vap, 1); 926 } 927 #endif 928 929 static void 930 rtwn_tsf_sync_adhoc(void *arg) 931 { 932 struct ieee80211vap *vap = arg; 933 struct ieee80211com *ic = vap->iv_ic; 934 struct rtwn_vap *uvp = RTWN_VAP(vap); 935 936 if (uvp->curr_mode != R92C_MSR_NOLINK) { 937 /* Do it in process context. */ 938 ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task); 939 } 940 } 941 942 /* 943 * Workaround for TSF synchronization: 944 * when BSSID filter in IBSS mode is not set 945 * (and TSF synchronization is enabled), then any beacon may update it. 946 * This routine synchronizes it when BSSID matching is enabled (IBSS merge 947 * is not possible during this period). 948 * 949 * NOTE: there is no race with rtwn_newstate(), since it uses the same 950 * taskqueue. 951 */ 952 static void 953 rtwn_tsf_sync_adhoc_task(void *arg, int pending) 954 { 955 struct ieee80211vap *vap = arg; 956 struct rtwn_vap *uvp = RTWN_VAP(vap); 957 struct rtwn_softc *sc = vap->iv_ic->ic_softc; 958 struct ieee80211_node *ni; 959 960 RTWN_LOCK(sc); 961 ni = ieee80211_ref_node(vap->iv_bss); 962 963 /* Accept beacons with the same BSSID. */ 964 rtwn_set_rx_bssid_all(sc, 0); 965 966 /* Deny RCR updates. */ 967 sc->sc_flags |= RTWN_RCR_LOCKED; 968 969 /* Enable synchronization. */ 970 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id), 971 R92C_BCN_CTRL_DIS_TSF_UDT0, 0); 972 973 /* Synchronize. */ 974 rtwn_delay(sc, ni->ni_intval * 5 * 1000); 975 976 /* Disable synchronization. */ 977 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id), 978 0, R92C_BCN_CTRL_DIS_TSF_UDT0); 979 980 /* Accept all beacons. */ 981 sc->sc_flags &= ~RTWN_RCR_LOCKED; 982 rtwn_set_rx_bssid_all(sc, 1); 983 984 /* Schedule next TSF synchronization. */ 985 callout_reset(&uvp->tsf_sync_adhoc, 60*hz, rtwn_tsf_sync_adhoc, vap); 986 987 ieee80211_free_node(ni); 988 RTWN_UNLOCK(sc); 989 } 990 991 static void 992 rtwn_tsf_sync_enable(struct rtwn_softc *sc, struct ieee80211vap *vap) 993 { 994 struct ieee80211com *ic = &sc->sc_ic; 995 struct rtwn_vap *uvp = RTWN_VAP(vap); 996 997 /* Reset TSF. */ 998 rtwn_write_1(sc, R92C_DUAL_TSF_RST, R92C_DUAL_TSF_RESET(uvp->id)); 999 1000 switch (vap->iv_opmode) { 1001 case IEEE80211_M_STA: 1002 /* Enable TSF synchronization. */ 1003 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id), 1004 R92C_BCN_CTRL_DIS_TSF_UDT0, 0); 1005 /* Enable TSF beacon handling, needed for RA */ 1006 rtwn_sta_beacon_enable(sc, uvp->id, true); 1007 break; 1008 case IEEE80211_M_IBSS: 1009 ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task); 1010 /* FALLTHROUGH */ 1011 case IEEE80211_M_HOSTAP: 1012 /* Enable beaconing. */ 1013 rtwn_beacon_enable(sc, uvp->id, 1); 1014 break; 1015 default: 1016 device_printf(sc->sc_dev, "undefined opmode %d\n", 1017 vap->iv_opmode); 1018 return; 1019 } 1020 } 1021 1022 static void 1023 rtwn_set_ack_preamble(struct rtwn_softc *sc) 1024 { 1025 struct ieee80211com *ic = &sc->sc_ic; 1026 uint32_t reg; 1027 1028 reg = rtwn_read_4(sc, R92C_WMAC_TRXPTCL_CTL); 1029 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE) 1030 reg |= R92C_WMAC_TRXPTCL_SHPRE; 1031 else 1032 reg &= ~R92C_WMAC_TRXPTCL_SHPRE; 1033 rtwn_write_4(sc, R92C_WMAC_TRXPTCL_CTL, reg); 1034 } 1035 1036 static void 1037 rtwn_set_mode(struct rtwn_softc *sc, uint8_t mode, int id) 1038 { 1039 1040 rtwn_setbits_1(sc, R92C_MSR, R92C_MSR_MASK << id * 2, mode << id * 2); 1041 if (sc->vaps[id] != NULL) 1042 sc->vaps[id]->curr_mode = mode; 1043 } 1044 1045 static int 1046 rtwn_monitor_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, 1047 int arg) 1048 { 1049 struct ieee80211com *ic = vap->iv_ic; 1050 struct rtwn_softc *sc = ic->ic_softc; 1051 struct rtwn_vap *uvp = RTWN_VAP(vap); 1052 1053 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n", 1054 ieee80211_state_name[vap->iv_state], 1055 ieee80211_state_name[nstate]); 1056 1057 if (vap->iv_state != nstate) { 1058 IEEE80211_UNLOCK(ic); 1059 RTWN_LOCK(sc); 1060 1061 switch (nstate) { 1062 case IEEE80211_S_INIT: 1063 sc->vaps_running--; 1064 sc->monvaps_running--; 1065 1066 if (sc->vaps_running == 0) { 1067 /* Turn link LED off. */ 1068 rtwn_set_led(sc, RTWN_LED_LINK, 0); 1069 } 1070 break; 1071 case IEEE80211_S_RUN: 1072 sc->vaps_running++; 1073 sc->monvaps_running++; 1074 1075 if (sc->vaps_running == 1) { 1076 /* Turn link LED on. */ 1077 rtwn_set_led(sc, RTWN_LED_LINK, 1); 1078 } 1079 break; 1080 default: 1081 /* NOTREACHED */ 1082 break; 1083 } 1084 1085 RTWN_UNLOCK(sc); 1086 IEEE80211_LOCK(ic); 1087 } 1088 1089 return (uvp->newstate(vap, nstate, arg)); 1090 } 1091 1092 static int 1093 rtwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg) 1094 { 1095 struct rtwn_vap *uvp = RTWN_VAP(vap); 1096 struct ieee80211com *ic = vap->iv_ic; 1097 struct rtwn_softc *sc = ic->ic_softc; 1098 enum ieee80211_state ostate; 1099 int error, early_newstate; 1100 1101 ostate = vap->iv_state; 1102 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n", 1103 ieee80211_state_name[ostate], ieee80211_state_name[nstate]); 1104 1105 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC && 1106 ostate == IEEE80211_S_INIT && nstate == IEEE80211_S_RUN) { 1107 /* need to call iv_newstate() firstly */ 1108 error = uvp->newstate(vap, nstate, arg); 1109 if (error != 0) 1110 return (error); 1111 1112 early_newstate = 1; 1113 } else 1114 early_newstate = 0; 1115 1116 if (ostate == IEEE80211_S_CSA) { 1117 taskqueue_cancel_timeout(taskqueue_thread, 1118 &uvp->tx_beacon_csa, NULL); 1119 1120 /* 1121 * In multi-vap case second counter may not be cleared 1122 * properly. 1123 */ 1124 vap->iv_csa_count = 0; 1125 } 1126 IEEE80211_UNLOCK(ic); 1127 RTWN_LOCK(sc); 1128 1129 if (ostate == IEEE80211_S_CSA) { 1130 /* Unblock all queues (multi-vap case). */ 1131 rtwn_write_1(sc, R92C_TXPAUSE, 0); 1132 } 1133 1134 if ((ostate == IEEE80211_S_RUN && nstate != IEEE80211_S_CSA) || 1135 ostate == IEEE80211_S_CSA) { 1136 sc->vaps_running--; 1137 1138 /* Set media status to 'No Link'. */ 1139 rtwn_set_mode(sc, R92C_MSR_NOLINK, uvp->id); 1140 1141 if (vap->iv_opmode == IEEE80211_M_IBSS) { 1142 /* Stop periodical TSF synchronization. */ 1143 callout_stop(&uvp->tsf_sync_adhoc); 1144 } 1145 1146 /* Disable TSF synchronization / beaconing. */ 1147 rtwn_beacon_enable(sc, uvp->id, 0); 1148 rtwn_sta_beacon_enable(sc, uvp->id, false); 1149 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id), 1150 0, R92C_BCN_CTRL_DIS_TSF_UDT0); 1151 1152 /* NB: monitor mode vaps are using port 0. */ 1153 if (uvp->id != 0 || sc->monvaps_running == 0) { 1154 /* Reset TSF. */ 1155 rtwn_write_1(sc, R92C_DUAL_TSF_RST, 1156 R92C_DUAL_TSF_RESET(uvp->id)); 1157 } 1158 1159 #ifndef RTWN_WITHOUT_UCODE 1160 if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 && uvp->id == 0) { 1161 /* Disable power management. */ 1162 callout_stop(&sc->sc_pwrmode_init); 1163 rtwn_set_pwrmode(sc, vap, 0); 1164 } 1165 #endif 1166 if (sc->vaps_running - sc->monvaps_running > 0) { 1167 /* Recalculate basic rates bitmap. */ 1168 rtwn_calc_basicrates(sc); 1169 } 1170 1171 if (sc->vaps_running == sc->monvaps_running) { 1172 /* Stop calibration. */ 1173 callout_stop(&sc->sc_calib_to); 1174 1175 /* Stop Rx of data frames. */ 1176 rtwn_write_2(sc, R92C_RXFLTMAP2, 0); 1177 1178 /* Reset EDCA parameters. */ 1179 rtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217); 1180 rtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317); 1181 rtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320); 1182 rtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444); 1183 1184 if (sc->vaps_running == 0) { 1185 /* Turn link LED off. */ 1186 rtwn_set_led(sc, RTWN_LED_LINK, 0); 1187 } 1188 } 1189 } 1190 1191 error = 0; 1192 switch (nstate) { 1193 case IEEE80211_S_SCAN: 1194 /* Pause AC Tx queues. */ 1195 if (sc->vaps_running == 0) 1196 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_AC); 1197 break; 1198 case IEEE80211_S_RUN: 1199 error = rtwn_run(sc, vap); 1200 if (error != 0) { 1201 device_printf(sc->sc_dev, 1202 "%s: could not move to RUN state\n", __func__); 1203 break; 1204 } 1205 1206 sc->vaps_running++; 1207 break; 1208 case IEEE80211_S_CSA: 1209 /* Block all Tx queues (except beacon queue). */ 1210 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, 1211 R92C_TX_QUEUE_AC | R92C_TX_QUEUE_MGT | R92C_TX_QUEUE_HIGH); 1212 break; 1213 default: 1214 break; 1215 } 1216 1217 RTWN_UNLOCK(sc); 1218 IEEE80211_LOCK(ic); 1219 if (error != 0) 1220 return (error); 1221 1222 return (early_newstate ? 0 : uvp->newstate(vap, nstate, arg)); 1223 } 1224 1225 static void 1226 rtwn_calc_basicrates(struct rtwn_softc *sc) 1227 { 1228 struct ieee80211com *ic = &sc->sc_ic; 1229 uint32_t basicrates; 1230 int i; 1231 1232 RTWN_ASSERT_LOCKED(sc); 1233 1234 if (ic->ic_flags & IEEE80211_F_SCAN) 1235 return; /* will be done by rtwn_scan_end(). */ 1236 1237 basicrates = 0; 1238 for (i = 0; i < nitems(sc->vaps); i++) { 1239 struct rtwn_vap *rvp; 1240 struct ieee80211vap *vap; 1241 struct ieee80211_node *ni; 1242 struct ieee80211_htrateset *rs_ht; 1243 uint32_t rates = 0, htrates = 0; 1244 1245 rvp = sc->vaps[i]; 1246 if (rvp == NULL || rvp->curr_mode == R92C_MSR_NOLINK) 1247 continue; 1248 1249 vap = &rvp->vap; 1250 if (vap->iv_bss == NULL) 1251 continue; 1252 1253 ni = ieee80211_ref_node(vap->iv_bss); 1254 if (ni->ni_flags & IEEE80211_NODE_HT) 1255 rs_ht = &ni->ni_htrates; 1256 else 1257 rs_ht = NULL; 1258 /* 1259 * Only fetches basic rates; fetch 802.11abg and 11n basic 1260 * rates 1261 */ 1262 rtwn_get_rates(sc, &ni->ni_rates, rs_ht, &rates, &htrates, 1263 NULL, 1); 1264 1265 /* 1266 * We need at least /an/ OFDM and/or MCS rate for HT 1267 * operation, or the MAC will generate MCS7 ACK/Block-ACK 1268 * frames and thus performance will suffer. 1269 */ 1270 if (ni->ni_flags & IEEE80211_NODE_HT) { 1271 htrates |= 0x01; /* MCS0 */ 1272 rates |= (1 << RTWN_RIDX_OFDM6); 1273 } 1274 1275 basicrates |= rates; 1276 basicrates |= (htrates << RTWN_RIDX_HT_MCS_SHIFT); 1277 1278 /* Filter out undesired high rates */ 1279 if (ni->ni_chan != IEEE80211_CHAN_ANYC && 1280 IEEE80211_IS_CHAN_5GHZ(ni->ni_chan)) 1281 basicrates &= R92C_RRSR_RATE_MASK_5GHZ; 1282 else 1283 basicrates &= R92C_RRSR_RATE_MASK_2GHZ; 1284 1285 ieee80211_free_node(ni); 1286 } 1287 1288 1289 if (basicrates == 0) 1290 return; 1291 1292 /* XXX also set initial RTS rate? */ 1293 rtwn_set_basicrates(sc, basicrates); 1294 } 1295 1296 static int 1297 rtwn_run(struct rtwn_softc *sc, struct ieee80211vap *vap) 1298 { 1299 struct ieee80211com *ic = vap->iv_ic; 1300 struct rtwn_vap *uvp = RTWN_VAP(vap); 1301 struct ieee80211_node *ni; 1302 uint8_t mode; 1303 int error; 1304 1305 RTWN_ASSERT_LOCKED(sc); 1306 1307 error = 0; 1308 ni = ieee80211_ref_node(vap->iv_bss); 1309 1310 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC || 1311 ni->ni_chan == IEEE80211_CHAN_ANYC) { 1312 error = EINVAL; 1313 goto fail; 1314 } 1315 1316 switch (vap->iv_opmode) { 1317 case IEEE80211_M_STA: 1318 mode = R92C_MSR_INFRA; 1319 break; 1320 case IEEE80211_M_IBSS: 1321 mode = R92C_MSR_ADHOC; 1322 break; 1323 case IEEE80211_M_HOSTAP: 1324 mode = R92C_MSR_AP; 1325 break; 1326 default: 1327 KASSERT(0, ("undefined opmode %d\n", vap->iv_opmode)); 1328 error = EINVAL; 1329 goto fail; 1330 } 1331 1332 /* Set media status to 'Associated'. */ 1333 rtwn_set_mode(sc, mode, uvp->id); 1334 1335 /* Set AssocID. */ 1336 /* XXX multi-vap? */ 1337 rtwn_write_2(sc, R92C_BCN_PSR_RPT, 1338 0xc000 | IEEE80211_NODE_AID(ni)); 1339 1340 /* Set BSSID. */ 1341 rtwn_set_bssid(sc, ni->ni_bssid, uvp->id); 1342 1343 /* Set beacon interval. */ 1344 rtwn_write_2(sc, R92C_BCN_INTERVAL(uvp->id), ni->ni_intval); 1345 1346 if (sc->vaps_running == sc->monvaps_running) { 1347 /* Enable Rx of data frames. */ 1348 rtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff); 1349 1350 /* Flush all AC queues. */ 1351 rtwn_write_1(sc, R92C_TXPAUSE, 0); 1352 } 1353 1354 #ifndef RTWN_WITHOUT_UCODE 1355 /* Upload (QoS) Null Data frame to firmware. */ 1356 /* Note: do this for port 0 only. */ 1357 if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 && 1358 vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) { 1359 error = rtwn_tx_fwpkt_check(sc, vap); 1360 if (error != 0) 1361 goto fail; 1362 1363 /* Setup power management. */ 1364 /* 1365 * NB: it will be enabled immediately - delay it, 1366 * so 4-Way handshake will not be interrupted. 1367 */ 1368 callout_reset(&sc->sc_pwrmode_init, 5*hz, 1369 rtwn_pwrmode_init, sc); 1370 } 1371 #endif 1372 1373 /* Enable TSF synchronization. */ 1374 rtwn_tsf_sync_enable(sc, vap); 1375 1376 if (vap->iv_opmode == IEEE80211_M_HOSTAP || 1377 vap->iv_opmode == IEEE80211_M_IBSS) { 1378 error = rtwn_setup_beacon(sc, ni); 1379 if (error != 0) { 1380 device_printf(sc->sc_dev, 1381 "unable to push beacon into the chip, " 1382 "error %d\n", error); 1383 goto fail; 1384 } 1385 } 1386 1387 /* Set ACK preamble type. */ 1388 rtwn_set_ack_preamble(sc); 1389 1390 /* Set basic rates mask. */ 1391 rtwn_calc_basicrates(sc); 1392 1393 #ifdef RTWN_TODO 1394 rtwn_write_1(sc, R92C_SIFS_CCK + 1, 10); 1395 rtwn_write_1(sc, R92C_SIFS_OFDM + 1, 10); 1396 rtwn_write_1(sc, R92C_SPEC_SIFS + 1, 10); 1397 rtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, 10); 1398 rtwn_write_1(sc, R92C_R2T_SIFS + 1, 10); 1399 rtwn_write_1(sc, R92C_T2T_SIFS + 1, 10); 1400 #endif 1401 1402 if (sc->vaps_running == sc->monvaps_running) { 1403 /* Reset temperature calibration state machine. */ 1404 sc->sc_flags &= ~RTWN_TEMP_MEASURED; 1405 sc->thcal_temp = sc->thermal_meter; 1406 1407 /* Start periodic calibration. */ 1408 callout_reset(&sc->sc_calib_to, 2*hz, rtwn_calib_to, 1409 sc); 1410 1411 if (sc->vaps_running == 0) { 1412 /* Turn link LED on. */ 1413 rtwn_set_led(sc, RTWN_LED_LINK, 1); 1414 } 1415 } 1416 1417 fail: 1418 ieee80211_free_node(ni); 1419 1420 return (error); 1421 } 1422 1423 #ifndef D4054 1424 static void 1425 rtwn_watchdog(void *arg) 1426 { 1427 struct rtwn_softc *sc = arg; 1428 struct ieee80211com *ic = &sc->sc_ic; 1429 1430 RTWN_ASSERT_LOCKED(sc); 1431 1432 KASSERT(sc->sc_flags & RTWN_RUNNING, ("not running")); 1433 1434 if (sc->sc_tx_timer != 0 && --sc->sc_tx_timer == 0) { 1435 ic_printf(ic, "device timeout\n"); 1436 ieee80211_restart_all(ic); 1437 return; 1438 } 1439 callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc); 1440 } 1441 #endif 1442 1443 static void 1444 rtwn_parent(struct ieee80211com *ic) 1445 { 1446 struct rtwn_softc *sc = ic->ic_softc; 1447 struct ieee80211vap *vap; 1448 1449 if (ic->ic_nrunning > 0) { 1450 if (rtwn_init(sc) != 0) { 1451 IEEE80211_LOCK(ic); 1452 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next) 1453 ieee80211_stop_locked(vap); 1454 IEEE80211_UNLOCK(ic); 1455 } else 1456 ieee80211_start_all(ic); 1457 } else 1458 rtwn_stop(sc); 1459 } 1460 1461 static int 1462 rtwn_dma_init(struct rtwn_softc *sc) 1463 { 1464 #define RTWN_CHK(res) do { \ 1465 if (res != 0) \ 1466 return (EIO); \ 1467 } while(0) 1468 uint16_t reg; 1469 uint8_t tx_boundary; 1470 int error; 1471 1472 /* Initialize LLT table. */ 1473 error = rtwn_llt_init(sc); 1474 if (error != 0) 1475 return (error); 1476 1477 /* Set the number of pages for each queue. */ 1478 RTWN_DPRINTF(sc, RTWN_DEBUG_RESET, 1479 "%s: pages per queue: high %d, normal %d, low %d, public %d\n", 1480 __func__, sc->nhqpages, sc->nnqpages, sc->nlqpages, 1481 sc->npubqpages); 1482 1483 RTWN_CHK(rtwn_write_1(sc, R92C_RQPN_NPQ, sc->nnqpages)); 1484 RTWN_CHK(rtwn_write_4(sc, R92C_RQPN, 1485 /* Set number of pages for public queue. */ 1486 SM(R92C_RQPN_PUBQ, sc->npubqpages) | 1487 /* Set number of pages for high priority queue. */ 1488 SM(R92C_RQPN_HPQ, sc->nhqpages) | 1489 /* Set number of pages for low priority queue. */ 1490 SM(R92C_RQPN_LPQ, sc->nlqpages) | 1491 /* Load values. */ 1492 R92C_RQPN_LD)); 1493 1494 /* Initialize TX buffer boundary. */ 1495 KASSERT(sc->page_count < 255 && sc->page_count > 0, 1496 ("page_count is %d\n", sc->page_count)); 1497 tx_boundary = sc->page_count + 1; 1498 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, tx_boundary)); 1499 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, tx_boundary)); 1500 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, tx_boundary)); 1501 RTWN_CHK(rtwn_write_1(sc, R92C_TRXFF_BNDY, tx_boundary)); 1502 RTWN_CHK(rtwn_write_1(sc, R92C_TDECTRL + 1, tx_boundary)); 1503 1504 error = rtwn_init_bcnq1_boundary(sc); 1505 if (error != 0) 1506 return (error); 1507 1508 /* Set queue to USB pipe mapping. */ 1509 /* Note: PCIe devices are using some magic number here. */ 1510 reg = rtwn_get_qmap(sc); 1511 RTWN_CHK(rtwn_setbits_2(sc, R92C_TRXDMA_CTRL, 1512 R92C_TRXDMA_CTRL_QMAP_M, reg)); 1513 1514 /* Configure Tx/Rx DMA (PCIe). */ 1515 rtwn_set_desc_addr(sc); 1516 1517 /* Set Tx/Rx transfer page boundary. */ 1518 RTWN_CHK(rtwn_write_2(sc, R92C_TRXFF_BNDY + 2, 1519 sc->rx_dma_size - 1)); 1520 1521 /* Set Tx/Rx transfer page size. */ 1522 rtwn_set_page_size(sc); 1523 1524 return (0); 1525 } 1526 1527 static int 1528 rtwn_mac_init(struct rtwn_softc *sc) 1529 { 1530 int i, error; 1531 1532 /* Write MAC initialization values. */ 1533 for (i = 0; i < sc->mac_size; i++) { 1534 error = rtwn_write_1(sc, sc->mac_prog[i].reg, 1535 sc->mac_prog[i].val); 1536 if (error != 0) 1537 return (error); 1538 } 1539 1540 return (0); 1541 } 1542 1543 static void 1544 rtwn_mrr_init(struct rtwn_softc *sc) 1545 { 1546 int i; 1547 1548 /* Drop rate index by 1 per retry. */ 1549 for (i = 0; i < R92C_DARFRC_SIZE; i++) { 1550 rtwn_write_1(sc, R92C_DARFRC + i, i + 1); 1551 rtwn_write_1(sc, R92C_RARFRC + i, i + 1); 1552 } 1553 } 1554 1555 static void 1556 rtwn_scan_start(struct ieee80211com *ic) 1557 { 1558 struct rtwn_softc *sc = ic->ic_softc; 1559 1560 RTWN_LOCK(sc); 1561 /* Pause beaconing. */ 1562 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_BCN); 1563 /* Receive beacons / probe responses from any BSSID. */ 1564 if (sc->bcn_vaps == 0) 1565 rtwn_set_rx_bssid_all(sc, 1); 1566 RTWN_UNLOCK(sc); 1567 } 1568 1569 static void 1570 rtwn_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell) 1571 { 1572 struct rtwn_softc *sc = ss->ss_ic->ic_softc; 1573 1574 /* Make link LED blink during scan. */ 1575 RTWN_LOCK(sc); 1576 rtwn_set_led(sc, RTWN_LED_LINK, !sc->ledlink); 1577 RTWN_UNLOCK(sc); 1578 1579 sc->sc_scan_curchan(ss, maxdwell); 1580 } 1581 1582 static void 1583 rtwn_scan_end(struct ieee80211com *ic) 1584 { 1585 struct rtwn_softc *sc = ic->ic_softc; 1586 1587 RTWN_LOCK(sc); 1588 /* Restore limitations. */ 1589 if (ic->ic_promisc == 0 && sc->bcn_vaps == 0) 1590 rtwn_set_rx_bssid_all(sc, 0); 1591 1592 /* Restore LED state. */ 1593 rtwn_set_led(sc, RTWN_LED_LINK, (sc->vaps_running != 0)); 1594 1595 /* Restore basic rates mask. */ 1596 rtwn_calc_basicrates(sc); 1597 1598 /* Resume beaconing. */ 1599 rtwn_setbits_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_BCN, 0); 1600 RTWN_UNLOCK(sc); 1601 } 1602 1603 static void 1604 rtwn_getradiocaps(struct ieee80211com *ic, 1605 int maxchans, int *nchans, struct ieee80211_channel chans[]) 1606 { 1607 struct rtwn_softc *sc = ic->ic_softc; 1608 uint8_t bands[IEEE80211_MODE_BYTES]; 1609 int cbw_flags, i; 1610 1611 cbw_flags = (ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40) ? 1612 NET80211_CBW_FLAG_HT40 : 0; 1613 1614 memset(bands, 0, sizeof(bands)); 1615 setbit(bands, IEEE80211_MODE_11B); 1616 setbit(bands, IEEE80211_MODE_11G); 1617 setbit(bands, IEEE80211_MODE_11NG); 1618 ieee80211_add_channels_default_2ghz(chans, maxchans, nchans, 1619 bands, cbw_flags); 1620 1621 /* XXX workaround add_channel_list() limitations */ 1622 setbit(bands, IEEE80211_MODE_11A); 1623 setbit(bands, IEEE80211_MODE_11NA); 1624 for (i = 0; i < nitems(sc->chan_num_5ghz); i++) { 1625 if (sc->chan_num_5ghz[i] == 0) 1626 continue; 1627 1628 ieee80211_add_channel_list_5ghz(chans, maxchans, nchans, 1629 sc->chan_list_5ghz[i], sc->chan_num_5ghz[i], bands, 1630 cbw_flags); 1631 } 1632 } 1633 1634 static void 1635 rtwn_update_chw(struct ieee80211com *ic) 1636 { 1637 } 1638 1639 static void 1640 rtwn_set_channel(struct ieee80211com *ic) 1641 { 1642 struct rtwn_softc *sc = ic->ic_softc; 1643 struct ieee80211_channel *c = ic->ic_curchan; 1644 1645 RTWN_LOCK(sc); 1646 rtwn_set_chan(sc, c); 1647 RTWN_UNLOCK(sc); 1648 } 1649 1650 static int 1651 rtwn_wme_update(struct ieee80211com *ic) 1652 { 1653 struct chanAccParams chp; 1654 struct ieee80211_channel *c = ic->ic_curchan; 1655 struct rtwn_softc *sc = ic->ic_softc; 1656 struct wmeParams *wmep = sc->cap_wmeParams; 1657 uint8_t aifs, acm, slottime; 1658 int ac; 1659 1660 ieee80211_wme_ic_getparams(ic, &chp); 1661 1662 /* Prevent possible races. */ 1663 IEEE80211_LOCK(ic); /* XXX */ 1664 RTWN_LOCK(sc); 1665 memcpy(wmep, chp.cap_wmeParams, sizeof(sc->cap_wmeParams)); 1666 RTWN_UNLOCK(sc); 1667 IEEE80211_UNLOCK(ic); 1668 1669 acm = 0; 1670 slottime = IEEE80211_GET_SLOTTIME(ic); 1671 1672 RTWN_LOCK(sc); 1673 for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) { 1674 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */ 1675 aifs = wmep[ac].wmep_aifsn * slottime + 1676 (IEEE80211_IS_CHAN_5GHZ(c) ? 1677 IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS); 1678 rtwn_write_4(sc, wme2reg[ac], 1679 SM(R92C_EDCA_PARAM_TXOP, wmep[ac].wmep_txopLimit) | 1680 SM(R92C_EDCA_PARAM_ECWMIN, wmep[ac].wmep_logcwmin) | 1681 SM(R92C_EDCA_PARAM_ECWMAX, wmep[ac].wmep_logcwmax) | 1682 SM(R92C_EDCA_PARAM_AIFS, aifs)); 1683 if (ac != WME_AC_BE) 1684 acm |= wmep[ac].wmep_acm << ac; 1685 } 1686 1687 if (acm != 0) 1688 acm |= R92C_ACMHWCTRL_EN; 1689 rtwn_setbits_1(sc, R92C_ACMHWCTRL, R92C_ACMHWCTRL_ACM_MASK, acm); 1690 RTWN_UNLOCK(sc); 1691 1692 return 0; 1693 } 1694 1695 static void 1696 rtwn_update_slot(struct ieee80211com *ic) 1697 { 1698 rtwn_cmd_sleepable(ic->ic_softc, NULL, 0, rtwn_update_slot_cb); 1699 } 1700 1701 static void 1702 rtwn_update_slot_cb(struct rtwn_softc *sc, union sec_param *data) 1703 { 1704 struct ieee80211com *ic = &sc->sc_ic; 1705 uint8_t slottime; 1706 1707 slottime = IEEE80211_GET_SLOTTIME(ic); 1708 1709 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s: setting slot time to %uus\n", 1710 __func__, slottime); 1711 1712 rtwn_write_1(sc, R92C_SLOT, slottime); 1713 rtwn_update_aifs(sc, slottime); 1714 } 1715 1716 static void 1717 rtwn_update_aifs(struct rtwn_softc *sc, uint8_t slottime) 1718 { 1719 struct ieee80211_channel *c = sc->sc_ic.ic_curchan; 1720 const struct wmeParams *wmep = sc->cap_wmeParams; 1721 uint8_t aifs, ac; 1722 1723 for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) { 1724 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */ 1725 aifs = wmep[ac].wmep_aifsn * slottime + 1726 (IEEE80211_IS_CHAN_5GHZ(c) ? 1727 IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS); 1728 rtwn_write_1(sc, wme2reg[ac], aifs); 1729 } 1730 } 1731 1732 static void 1733 rtwn_update_promisc(struct ieee80211com *ic) 1734 { 1735 struct rtwn_softc *sc = ic->ic_softc; 1736 1737 RTWN_LOCK(sc); 1738 if (sc->sc_flags & RTWN_RUNNING) 1739 rtwn_set_promisc(sc); 1740 RTWN_UNLOCK(sc); 1741 } 1742 1743 static void 1744 rtwn_update_mcast(struct ieee80211com *ic) 1745 { 1746 struct rtwn_softc *sc = ic->ic_softc; 1747 1748 RTWN_LOCK(sc); 1749 if (sc->sc_flags & RTWN_RUNNING) 1750 rtwn_set_multi(sc); 1751 RTWN_UNLOCK(sc); 1752 } 1753 1754 static int 1755 rtwn_set_bssid(struct rtwn_softc *sc, const uint8_t *bssid, int id) 1756 { 1757 int error; 1758 1759 error = rtwn_write_4(sc, R92C_BSSID(id), le32dec(&bssid[0])); 1760 if (error != 0) 1761 return (error); 1762 error = rtwn_write_2(sc, R92C_BSSID(id) + 4, le16dec(&bssid[4])); 1763 1764 return (error); 1765 } 1766 1767 static int 1768 rtwn_set_macaddr(struct rtwn_softc *sc, const uint8_t *addr, int id) 1769 { 1770 int error; 1771 1772 error = rtwn_write_4(sc, R92C_MACID(id), le32dec(&addr[0])); 1773 if (error != 0) 1774 return (error); 1775 error = rtwn_write_2(sc, R92C_MACID(id) + 4, le16dec(&addr[4])); 1776 1777 return (error); 1778 } 1779 1780 static struct ieee80211_node * 1781 rtwn_node_alloc(struct ieee80211vap *vap, 1782 const uint8_t mac[IEEE80211_ADDR_LEN]) 1783 { 1784 struct rtwn_node *un; 1785 1786 un = malloc(sizeof (struct rtwn_node), M_80211_NODE, 1787 M_NOWAIT | M_ZERO); 1788 1789 if (un == NULL) 1790 return NULL; 1791 1792 un->id = RTWN_MACID_UNDEFINED; 1793 un->avg_pwdb = -1; 1794 1795 return &un->ni; 1796 } 1797 1798 static void 1799 rtwn_newassoc(struct ieee80211_node *ni, int isnew __unused) 1800 { 1801 struct rtwn_softc *sc = ni->ni_ic->ic_softc; 1802 struct rtwn_node *un = RTWN_NODE(ni); 1803 int id; 1804 1805 if (un->id != RTWN_MACID_UNDEFINED) 1806 return; 1807 1808 RTWN_NT_LOCK(sc); 1809 for (id = 0; id <= sc->macid_limit; id++) { 1810 if (id != RTWN_MACID_BC && sc->node_list[id] == NULL) { 1811 un->id = id; 1812 sc->node_list[id] = ni; 1813 break; 1814 } 1815 } 1816 RTWN_NT_UNLOCK(sc); 1817 1818 if (id > sc->macid_limit) { 1819 device_printf(sc->sc_dev, "%s: node table is full\n", 1820 __func__); 1821 return; 1822 } 1823 1824 /* Notify firmware. */ 1825 id |= RTWN_MACID_VALID; 1826 rtwn_cmd_sleepable(sc, &id, sizeof(id), rtwn_set_media_status); 1827 } 1828 1829 static void 1830 rtwn_node_free(struct ieee80211_node *ni) 1831 { 1832 struct rtwn_softc *sc = ni->ni_ic->ic_softc; 1833 struct rtwn_node *un = RTWN_NODE(ni); 1834 1835 RTWN_NT_LOCK(sc); 1836 if (un->id != RTWN_MACID_UNDEFINED) { 1837 sc->node_list[un->id] = NULL; 1838 rtwn_cmd_sleepable(sc, &un->id, sizeof(un->id), 1839 rtwn_set_media_status); 1840 } 1841 RTWN_NT_UNLOCK(sc); 1842 1843 sc->sc_node_free(ni); 1844 } 1845 1846 static void 1847 rtwn_init_beacon_reg(struct rtwn_softc *sc) 1848 { 1849 rtwn_write_1(sc, R92C_BCN_CTRL(0), R92C_BCN_CTRL_DIS_TSF_UDT0); 1850 rtwn_write_1(sc, R92C_BCN_CTRL(1), R92C_BCN_CTRL_DIS_TSF_UDT0); 1851 rtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404); 1852 rtwn_write_1(sc, R92C_DRVERLYINT, 0x05); 1853 rtwn_write_1(sc, R92C_BCNDMATIM, 0x02); 1854 rtwn_write_2(sc, R92C_BCNTCFG, 0x660f); 1855 } 1856 1857 static int 1858 rtwn_init(struct rtwn_softc *sc) 1859 { 1860 struct ieee80211com *ic = &sc->sc_ic; 1861 int i, error; 1862 1863 RTWN_LOCK(sc); 1864 if (sc->sc_flags & RTWN_RUNNING) { 1865 RTWN_UNLOCK(sc); 1866 return (0); 1867 } 1868 sc->sc_flags |= RTWN_STARTED; 1869 1870 /* Power on adapter. */ 1871 error = rtwn_power_on(sc); 1872 if (error != 0) 1873 goto fail; 1874 1875 #ifndef RTWN_WITHOUT_UCODE 1876 /* Load 8051 microcode. */ 1877 error = rtwn_load_firmware(sc); 1878 if (error == 0) 1879 sc->sc_flags |= RTWN_FW_LOADED; 1880 1881 /* Init firmware commands ring. */ 1882 sc->fwcur = 0; 1883 #endif 1884 1885 /* Initialize MAC block. */ 1886 error = rtwn_mac_init(sc); 1887 if (error != 0) { 1888 device_printf(sc->sc_dev, 1889 "%s: error while initializing MAC block\n", __func__); 1890 goto fail; 1891 } 1892 1893 /* Initialize DMA. */ 1894 error = rtwn_dma_init(sc); 1895 if (error != 0) 1896 goto fail; 1897 1898 /* Drop incorrect TX (USB). */ 1899 rtwn_drop_incorrect_tx(sc); 1900 1901 /* Set info size in Rx descriptors (in 64-bit words). */ 1902 rtwn_write_1(sc, R92C_RX_DRVINFO_SZ, R92C_RX_DRVINFO_SZ_DEF); 1903 1904 /* Init interrupts. */ 1905 rtwn_init_intr(sc); 1906 1907 for (i = 0; i < nitems(sc->vaps); i++) { 1908 struct rtwn_vap *uvp = sc->vaps[i]; 1909 1910 /* Set initial network type. */ 1911 rtwn_set_mode(sc, R92C_MSR_NOLINK, i); 1912 1913 if (uvp == NULL) 1914 continue; 1915 1916 /* Set MAC address. */ 1917 error = rtwn_set_macaddr(sc, uvp->vap.iv_myaddr, uvp->id); 1918 if (error != 0) 1919 goto fail; 1920 } 1921 1922 /* Initialize Rx filter. */ 1923 rtwn_rxfilter_init(sc); 1924 1925 /* Set short/long retry limits. */ 1926 rtwn_write_2(sc, R92C_RL, 1927 SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30)); 1928 1929 /* Initialize EDCA parameters. */ 1930 rtwn_init_edca(sc); 1931 1932 rtwn_setbits_1(sc, R92C_FWHW_TXQ_CTRL, 0, 1933 R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW); 1934 /* Set ACK timeout. */ 1935 rtwn_write_1(sc, R92C_ACKTO, sc->ackto); 1936 1937 /* Setup aggregation. */ 1938 /* Tx aggregation. */ 1939 rtwn_init_tx_agg(sc); 1940 rtwn_init_rx_agg(sc); 1941 1942 /* Initialize beacon parameters. */ 1943 rtwn_init_beacon_reg(sc); 1944 1945 /* Init A-MPDU parameters. */ 1946 rtwn_init_ampdu(sc); 1947 1948 /* Init MACTXEN / MACRXEN after setting RxFF boundary. */ 1949 rtwn_setbits_1(sc, R92C_CR, 0, R92C_CR_MACTXEN | R92C_CR_MACRXEN); 1950 1951 /* Initialize BB/RF blocks. */ 1952 rtwn_init_bb(sc); 1953 rtwn_init_rf(sc); 1954 1955 /* Initialize wireless band. */ 1956 rtwn_set_chan(sc, ic->ic_curchan); 1957 1958 /* Clear per-station keys table. */ 1959 rtwn_init_cam(sc); 1960 1961 /* Enable decryption / encryption. */ 1962 rtwn_init_seccfg(sc); 1963 1964 /* Install static keys (if any). */ 1965 for (i = 0; i < nitems(sc->vaps); i++) { 1966 if (sc->vaps[i] != NULL) { 1967 error = rtwn_init_static_keys(sc, sc->vaps[i]); 1968 if (error != 0) 1969 goto fail; 1970 } 1971 } 1972 1973 /* Initialize antenna selection. */ 1974 rtwn_init_antsel(sc); 1975 1976 /* Enable hardware sequence numbering. */ 1977 rtwn_write_1(sc, R92C_HWSEQ_CTRL, R92C_TX_QUEUE_ALL); 1978 1979 /* Disable BAR. */ 1980 rtwn_write_4(sc, R92C_BAR_MODE_CTRL, 0x0201ffff); 1981 1982 /* NAV limit. */ 1983 rtwn_write_1(sc, R92C_NAV_UPPER, 0); 1984 1985 /* Initialize GPIO setting. */ 1986 rtwn_setbits_1(sc, R92C_GPIO_MUXCFG, R92C_GPIO_MUXCFG_ENBT, 0); 1987 1988 /* Initialize MRR. */ 1989 rtwn_mrr_init(sc); 1990 1991 /* Device-specific post initialization. */ 1992 rtwn_post_init(sc); 1993 1994 rtwn_start_xfers(sc); 1995 1996 #ifndef D4054 1997 callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc); 1998 #endif 1999 2000 sc->sc_flags |= RTWN_RUNNING; 2001 fail: 2002 RTWN_UNLOCK(sc); 2003 2004 return (error); 2005 } 2006 2007 static void 2008 rtwn_stop(struct rtwn_softc *sc) 2009 { 2010 2011 RTWN_LOCK(sc); 2012 if (!(sc->sc_flags & RTWN_STARTED)) { 2013 RTWN_UNLOCK(sc); 2014 return; 2015 } 2016 2017 #ifndef D4054 2018 callout_stop(&sc->sc_watchdog_to); 2019 sc->sc_tx_timer = 0; 2020 #endif 2021 sc->sc_flags &= ~(RTWN_STARTED | RTWN_RUNNING | RTWN_FW_LOADED); 2022 sc->sc_flags &= ~RTWN_TEMP_MEASURED; 2023 sc->fwver = 0; 2024 sc->thcal_temp = 0; 2025 sc->cur_bcnq_id = RTWN_VAP_ID_INVALID; 2026 bzero(&sc->last_physt, sizeof(sc->last_physt)); 2027 2028 #ifdef D4054 2029 ieee80211_tx_watchdog_stop(&sc->sc_ic); 2030 #endif 2031 2032 rtwn_abort_xfers(sc); 2033 rtwn_drain_mbufq(sc); 2034 rtwn_power_off(sc); 2035 rtwn_reset_lists(sc, NULL); 2036 RTWN_UNLOCK(sc); 2037 } 2038 2039 MODULE_VERSION(rtwn, 2); 2040 MODULE_DEPEND(rtwn, wlan, 1, 1, 1); 2041 #ifndef RTWN_WITHOUT_UCODE 2042 MODULE_DEPEND(rtwn, firmware, 1, 1, 1); 2043 #endif 2044