1 /* $OpenBSD: if_urtwn.c,v 1.16 2011/02/10 17:26:40 jakemsr Exp $ */
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>
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.
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.
21 #include <sys/cdefs.h>
22 __FBSDID("$FreeBSD$");
25 * Driver for Realtek RTL8188CE-VAU/RTL8188CUS/RTL8188EU/RTL8188RU/RTL8192CU/RTL8812AU/RTL8821AU.
29 #include <sys/param.h>
30 #include <sys/sockio.h>
31 #include <sys/sysctl.h>
33 #include <sys/mutex.h>
35 #include <sys/kernel.h>
36 #include <sys/socket.h>
37 #include <sys/systm.h>
38 #include <sys/malloc.h>
39 #include <sys/module.h>
41 #include <sys/endian.h>
42 #include <sys/linker.h>
43 #include <sys/firmware.h>
48 #include <net/if_var.h>
49 #include <net/if_arp.h>
50 #include <net/ethernet.h>
51 #include <net/if_dl.h>
52 #include <net/if_media.h>
53 #include <net/if_types.h>
55 #include <netinet/in.h>
56 #include <netinet/in_systm.h>
57 #include <netinet/in_var.h>
58 #include <netinet/if_ether.h>
59 #include <netinet/ip.h>
61 #include <net80211/ieee80211_var.h>
62 #include <net80211/ieee80211_regdomain.h>
63 #include <net80211/ieee80211_radiotap.h>
64 #include <net80211/ieee80211_ratectl.h>
66 #include <dev/rtwn/if_rtwnreg.h>
67 #include <dev/rtwn/if_rtwnvar.h>
69 #include <dev/rtwn/if_rtwn_beacon.h>
70 #include <dev/rtwn/if_rtwn_calib.h>
71 #include <dev/rtwn/if_rtwn_cam.h>
72 #include <dev/rtwn/if_rtwn_debug.h>
73 #include <dev/rtwn/if_rtwn_efuse.h>
74 #include <dev/rtwn/if_rtwn_fw.h>
75 #include <dev/rtwn/if_rtwn_ridx.h>
76 #include <dev/rtwn/if_rtwn_rx.h>
77 #include <dev/rtwn/if_rtwn_task.h>
78 #include <dev/rtwn/if_rtwn_tx.h>
80 #include <dev/rtwn/rtl8192c/r92c_reg.h>
83 static void rtwn_radiotap_attach(struct rtwn_softc *);
84 static void rtwn_vap_decrement_counters(struct rtwn_softc *,
85 enum ieee80211_opmode, int);
86 static void rtwn_set_ic_opmode(struct rtwn_softc *);
87 static struct ieee80211vap *rtwn_vap_create(struct ieee80211com *,
88 const char [IFNAMSIZ], int, enum ieee80211_opmode,
89 int, const uint8_t [IEEE80211_ADDR_LEN],
90 const uint8_t [IEEE80211_ADDR_LEN]);
91 static void rtwn_vap_delete(struct ieee80211vap *);
92 static int rtwn_read_chipid(struct rtwn_softc *);
93 static int rtwn_ioctl_reset(struct ieee80211vap *, u_long);
94 static void rtwn_set_media_status(struct rtwn_softc *,
96 #ifndef RTWN_WITHOUT_UCODE
97 static int rtwn_tx_fwpkt_check(struct rtwn_softc *,
98 struct ieee80211vap *);
99 static int rtwn_construct_nulldata(struct rtwn_softc *,
100 struct ieee80211vap *, uint8_t *, int);
101 static int rtwn_push_nulldata(struct rtwn_softc *,
102 struct ieee80211vap *);
103 static void rtwn_pwrmode_init(void *);
104 static void rtwn_set_pwrmode_cb(struct rtwn_softc *,
107 static void rtwn_tsf_sync_adhoc(void *);
108 static void rtwn_tsf_sync_adhoc_task(void *, int);
109 static void rtwn_tsf_sync_enable(struct rtwn_softc *,
110 struct ieee80211vap *);
111 static void rtwn_set_ack_preamble(struct rtwn_softc *);
112 static void rtwn_set_mode(struct rtwn_softc *, uint8_t, int);
113 static int rtwn_monitor_newstate(struct ieee80211vap *,
114 enum ieee80211_state, int);
115 static int rtwn_newstate(struct ieee80211vap *,
116 enum ieee80211_state, int);
117 static void rtwn_calc_basicrates(struct rtwn_softc *);
118 static int rtwn_run(struct rtwn_softc *,
119 struct ieee80211vap *);
121 static void rtwn_watchdog(void *);
123 static void rtwn_parent(struct ieee80211com *);
124 static int rtwn_dma_init(struct rtwn_softc *);
125 static int rtwn_mac_init(struct rtwn_softc *);
126 static void rtwn_mrr_init(struct rtwn_softc *);
127 static void rtwn_scan_start(struct ieee80211com *);
128 static void rtwn_scan_curchan(struct ieee80211_scan_state *,
130 static void rtwn_scan_end(struct ieee80211com *);
131 static void rtwn_getradiocaps(struct ieee80211com *, int, int *,
132 struct ieee80211_channel[]);
133 static void rtwn_update_chw(struct ieee80211com *);
134 static void rtwn_set_channel(struct ieee80211com *);
135 static int rtwn_wme_update(struct ieee80211com *);
136 static void rtwn_update_slot(struct ieee80211com *);
137 static void rtwn_update_slot_cb(struct rtwn_softc *,
139 static void rtwn_update_aifs(struct rtwn_softc *, uint8_t);
140 static void rtwn_update_promisc(struct ieee80211com *);
141 static void rtwn_update_mcast(struct ieee80211com *);
142 static int rtwn_set_bssid(struct rtwn_softc *,
143 const uint8_t *, int);
144 static int rtwn_set_macaddr(struct rtwn_softc *,
145 const uint8_t *, int);
146 static struct ieee80211_node *rtwn_node_alloc(struct ieee80211vap *,
147 const uint8_t mac[IEEE80211_ADDR_LEN]);
148 static void rtwn_newassoc(struct ieee80211_node *, int);
149 static void rtwn_node_free(struct ieee80211_node *);
150 static void rtwn_init_beacon_reg(struct rtwn_softc *);
151 static int rtwn_init(struct rtwn_softc *);
152 static void rtwn_stop(struct rtwn_softc *);
154 MALLOC_DEFINE(M_RTWN_PRIV, "rtwn_priv", "rtwn driver private state");
156 static const uint8_t rtwn_chan_2ghz[] =
157 { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 };
159 static const uint16_t wme2reg[] =
160 { R92C_EDCA_BE_PARAM, R92C_EDCA_BK_PARAM,
161 R92C_EDCA_VI_PARAM, R92C_EDCA_VO_PARAM };
164 rtwn_attach(struct rtwn_softc *sc)
166 struct ieee80211com *ic = &sc->sc_ic;
169 sc->cur_bcnq_id = RTWN_VAP_ID_INVALID;
171 RTWN_NT_LOCK_INIT(sc);
174 callout_init_mtx(&sc->sc_watchdog_to, &sc->sc_mtx, 0);
176 callout_init(&sc->sc_calib_to, 0);
177 callout_init(&sc->sc_pwrmode_init, 0);
178 mbufq_init(&sc->sc_snd, ifqmaxlen);
181 error = rtwn_read_chipid(sc);
184 device_printf(sc->sc_dev, "unsupported test chip\n");
188 error = rtwn_read_rom(sc);
190 device_printf(sc->sc_dev, "%s: cannot read rom, error %d\n",
195 if (sc->macid_limit > RTWN_MACID_LIMIT) {
196 device_printf(sc->sc_dev,
197 "macid limit will be reduced from %d to %d\n",
198 sc->macid_limit, RTWN_MACID_LIMIT);
199 sc->macid_limit = RTWN_MACID_LIMIT;
201 if (sc->cam_entry_limit > RTWN_CAM_ENTRY_LIMIT) {
202 device_printf(sc->sc_dev,
203 "cam entry limit will be reduced from %d to %d\n",
204 sc->cam_entry_limit, RTWN_CAM_ENTRY_LIMIT);
205 sc->cam_entry_limit = RTWN_CAM_ENTRY_LIMIT;
207 if (sc->txdesc_len > RTWN_TX_DESC_SIZE) {
208 device_printf(sc->sc_dev,
209 "adjust size for Tx descriptor (current %d, needed %d)\n",
210 RTWN_TX_DESC_SIZE, sc->txdesc_len);
214 device_printf(sc->sc_dev, "MAC/BB %s, RF 6052 %dT%dR\n",
215 sc->name, sc->ntxchains, sc->nrxchains);
218 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
219 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
221 /* set device capabilities */
223 IEEE80211_C_STA /* station mode */
224 | IEEE80211_C_MONITOR /* monitor mode */
225 | IEEE80211_C_IBSS /* adhoc mode */
226 | IEEE80211_C_HOSTAP /* hostap mode */
227 #if 0 /* TODO: HRPWM register setup */
228 #ifndef RTWN_WITHOUT_UCODE
229 | IEEE80211_C_PMGT /* Station-side power mgmt */
232 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
233 | IEEE80211_C_SHSLOT /* short slot time supported */
235 | IEEE80211_C_BGSCAN /* capable of bg scanning */
237 | IEEE80211_C_WPA /* 802.11i */
238 | IEEE80211_C_WME /* 802.11e */
239 | IEEE80211_C_SWAMSDUTX /* Do software A-MSDU TX */
240 | IEEE80211_C_FF /* Atheros fast-frames */
243 if (sc->sc_hwcrypto != RTWN_CRYPTO_SW) {
245 IEEE80211_CRYPTO_WEP |
246 IEEE80211_CRYPTO_TKIP |
247 IEEE80211_CRYPTO_AES_CCM;
251 IEEE80211_HTCAP_SHORTGI20 /* short GI in 20MHz */
252 | IEEE80211_HTCAP_MAXAMSDU_3839 /* max A-MSDU length */
253 | IEEE80211_HTCAP_SMPS_OFF /* SM PS mode disabled */
254 /* s/w capabilities */
255 | IEEE80211_HTC_HT /* HT operation */
256 | IEEE80211_HTC_AMPDU /* A-MPDU tx */
257 | IEEE80211_HTC_AMSDU /* A-MSDU tx */
262 IEEE80211_HTCAP_CHWIDTH40 /* 40 MHz channel width */
263 | IEEE80211_HTCAP_SHORTGI40 /* short GI in 40MHz */
267 ic->ic_txstream = sc->ntxchains;
268 ic->ic_rxstream = sc->nrxchains;
270 /* Enable TX watchdog */
272 ic->ic_flags_ext |= IEEE80211_FEXT_WATCHDOG;
275 /* Adjust capabilities. */
276 rtwn_adj_devcaps(sc);
278 rtwn_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
281 /* XXX TODO: setup regdomain if R92C_CHANNEL_PLAN_BY_HW bit is set. */
283 ieee80211_ifattach(ic);
284 ic->ic_raw_xmit = rtwn_raw_xmit;
285 ic->ic_scan_start = rtwn_scan_start;
286 sc->sc_scan_curchan = ic->ic_scan_curchan;
287 ic->ic_scan_curchan = rtwn_scan_curchan;
288 ic->ic_scan_end = rtwn_scan_end;
289 ic->ic_getradiocaps = rtwn_getradiocaps;
290 ic->ic_update_chw = rtwn_update_chw;
291 ic->ic_set_channel = rtwn_set_channel;
292 ic->ic_transmit = rtwn_transmit;
293 ic->ic_parent = rtwn_parent;
294 ic->ic_vap_create = rtwn_vap_create;
295 ic->ic_vap_delete = rtwn_vap_delete;
296 ic->ic_wme.wme_update = rtwn_wme_update;
297 ic->ic_updateslot = rtwn_update_slot;
298 ic->ic_update_promisc = rtwn_update_promisc;
299 ic->ic_update_mcast = rtwn_update_mcast;
300 ic->ic_node_alloc = rtwn_node_alloc;
301 ic->ic_newassoc = rtwn_newassoc;
302 sc->sc_node_free = ic->ic_node_free;
303 ic->ic_node_free = rtwn_node_free;
306 rtwn_radiotap_attach(sc);
309 ieee80211_announce(ic);
314 return (ENXIO); /* failure */
318 rtwn_radiotap_attach(struct rtwn_softc *sc)
320 struct rtwn_rx_radiotap_header *rxtap = &sc->sc_rxtap;
321 struct rtwn_tx_radiotap_header *txtap = &sc->sc_txtap;
323 ieee80211_radiotap_attach(&sc->sc_ic,
324 &txtap->wt_ihdr, sizeof(*txtap), RTWN_TX_RADIOTAP_PRESENT,
325 &rxtap->wr_ihdr, sizeof(*rxtap), RTWN_RX_RADIOTAP_PRESENT);
329 rtwn_sysctlattach(struct rtwn_softc *sc)
331 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
332 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
336 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
337 "ht40", CTLFLAG_RDTUN, &sc->sc_ht40,
338 sc->sc_ht40, "Enable 40 MHz mode support");
342 SYSCTL_ADD_U32(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
343 "debug", CTLFLAG_RWTUN, &sc->sc_debug, sc->sc_debug,
344 "Control debugging printfs");
347 sc->sc_hwcrypto = RTWN_CRYPTO_PAIR;
348 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
349 "hwcrypto", CTLFLAG_RDTUN, &sc->sc_hwcrypto,
350 sc->sc_hwcrypto, "Enable h/w crypto: "
351 "0 - disable, 1 - pairwise keys, 2 - all keys");
352 if (sc->sc_hwcrypto >= RTWN_CRYPTO_MAX)
353 sc->sc_hwcrypto = RTWN_CRYPTO_FULL;
355 sc->sc_ratectl_sysctl = RTWN_RATECTL_NET80211;
356 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
357 "ratectl", CTLFLAG_RDTUN, &sc->sc_ratectl_sysctl,
358 sc->sc_ratectl_sysctl, "Select rate control mechanism: "
359 "0 - disabled, 1 - via net80211, 2 - via firmware");
360 if (sc->sc_ratectl_sysctl >= RTWN_RATECTL_MAX)
361 sc->sc_ratectl_sysctl = RTWN_RATECTL_FW;
363 sc->sc_ratectl = sc->sc_ratectl_sysctl;
364 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
365 "ratectl_selected", CTLFLAG_RD, &sc->sc_ratectl,
367 "Currently selected rate control mechanism (by the driver)");
371 rtwn_detach(struct rtwn_softc *sc)
373 struct ieee80211com *ic = &sc->sc_ic;
375 if (ic->ic_softc == sc) {
376 /* Stop command queue. */
379 RTWN_CMDQ_UNLOCK(sc);
381 ieee80211_draintask(ic, &sc->cmdq_task);
382 ieee80211_ifdetach(ic);
385 rtwn_cmdq_destroy(sc);
386 if (RTWN_NT_LOCK_INITIALIZED(sc))
387 RTWN_NT_LOCK_DESTROY(sc);
391 rtwn_suspend(struct rtwn_softc *sc)
393 struct ieee80211com *ic = &sc->sc_ic;
395 ieee80211_suspend_all(ic);
399 rtwn_resume(struct rtwn_softc *sc)
401 struct ieee80211com *ic = &sc->sc_ic;
403 ieee80211_resume_all(ic);
407 rtwn_vap_decrement_counters(struct rtwn_softc *sc,
408 enum ieee80211_opmode opmode, int id)
411 RTWN_ASSERT_LOCKED(sc);
413 if (id != RTWN_VAP_ID_INVALID) {
414 KASSERT(id == 0 || id == 1, ("wrong vap id %d!\n", id));
415 KASSERT(sc->vaps[id] != NULL, ("vap pointer is NULL\n"));
420 case IEEE80211_M_HOSTAP:
423 case IEEE80211_M_IBSS:
426 case IEEE80211_M_STA:
429 case IEEE80211_M_MONITOR:
433 KASSERT(0, ("wrong opmode %d\n", opmode));
437 KASSERT(sc->vaps_running >= 0 && sc->monvaps_running >= 0,
438 ("number of running vaps is negative (vaps %d, monvaps %d)\n",
439 sc->vaps_running, sc->monvaps_running));
440 KASSERT(sc->vaps_running - sc->monvaps_running <= RTWN_PORT_COUNT,
441 ("number of running vaps is too big (vaps %d, monvaps %d)\n",
442 sc->vaps_running, sc->monvaps_running));
444 KASSERT(sc->nvaps >= 0 && sc->nvaps <= RTWN_PORT_COUNT,
445 ("wrong value %d for nvaps\n", sc->nvaps));
446 KASSERT(sc->mon_vaps >= 0, ("mon_vaps is negative (%d)\n",
448 KASSERT(sc->bcn_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) &&
449 sc->bcn_vaps <= RTWN_PORT_COUNT) || sc->bcn_vaps <= 1),
450 ("bcn_vaps value %d is wrong\n", sc->bcn_vaps));
451 KASSERT(sc->ap_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) &&
452 sc->ap_vaps <= RTWN_PORT_COUNT) || sc->ap_vaps <= 1),
453 ("ap_vaps value %d is wrong\n", sc->ap_vaps));
457 rtwn_set_ic_opmode(struct rtwn_softc *sc)
459 struct ieee80211com *ic = &sc->sc_ic;
461 RTWN_ASSERT_LOCKED(sc);
463 /* for ieee80211_reset_erp() */
464 if (sc->bcn_vaps - sc->ap_vaps > 0)
465 ic->ic_opmode = IEEE80211_M_IBSS;
466 else if (sc->ap_vaps > 0)
467 ic->ic_opmode = IEEE80211_M_HOSTAP;
468 else if (sc->nvaps > 0)
469 ic->ic_opmode = IEEE80211_M_STA;
471 ic->ic_opmode = IEEE80211_M_MONITOR;
474 static struct ieee80211vap *
475 rtwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
476 enum ieee80211_opmode opmode, int flags,
477 const uint8_t bssid[IEEE80211_ADDR_LEN],
478 const uint8_t mac[IEEE80211_ADDR_LEN])
480 struct rtwn_softc *sc = ic->ic_softc;
481 struct rtwn_vap *uvp;
482 struct ieee80211vap *vap;
483 int id = RTWN_VAP_ID_INVALID;
486 KASSERT(sc->nvaps <= RTWN_PORT_COUNT,
487 ("nvaps overflow (%d > %d)\n", sc->nvaps, RTWN_PORT_COUNT));
488 KASSERT(sc->ap_vaps <= RTWN_PORT_COUNT,
489 ("ap_vaps overflow (%d > %d)\n", sc->ap_vaps, RTWN_PORT_COUNT));
490 KASSERT(sc->bcn_vaps <= RTWN_PORT_COUNT,
491 ("bcn_vaps overflow (%d > %d)\n", sc->bcn_vaps, RTWN_PORT_COUNT));
493 if (opmode != IEEE80211_M_MONITOR) {
499 if (sc->vaps[1] == NULL)
501 else if (sc->vaps[0] == NULL)
503 KASSERT(id != RTWN_VAP_ID_INVALID,
504 ("no free ports left\n"));
511 if (opmode == IEEE80211_M_IBSS ||
512 opmode == IEEE80211_M_HOSTAP) {
513 if ((sc->bcn_vaps == 1 && !RTWN_CHIP_HAS_BCNQ1(sc)) ||
514 sc->bcn_vaps == RTWN_PORT_COUNT)
520 case IEEE80211_M_HOSTAP:
523 case IEEE80211_M_IBSS:
526 case IEEE80211_M_STA:
529 case IEEE80211_M_MONITOR:
533 KASSERT(0, ("unknown opmode %d\n", opmode));
538 uvp = malloc(sizeof(struct rtwn_vap), M_80211_VAP, M_WAITOK | M_ZERO);
540 if (id != RTWN_VAP_ID_INVALID) {
546 /* enable s/w bmiss handling for sta mode */
548 if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
549 flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) {
551 free(uvp, M_80211_VAP);
554 rtwn_vap_decrement_counters(sc, opmode, id);
560 rtwn_beacon_init(sc, &uvp->bcn_desc.txd[0], uvp->id);
561 rtwn_vap_preattach(sc, vap);
563 /* override state transition machine */
564 uvp->newstate = vap->iv_newstate;
565 if (opmode == IEEE80211_M_MONITOR)
566 vap->iv_newstate = rtwn_monitor_newstate;
568 vap->iv_newstate = rtwn_newstate;
569 vap->iv_update_beacon = rtwn_update_beacon;
570 vap->iv_reset = rtwn_ioctl_reset;
571 vap->iv_key_alloc = rtwn_key_alloc;
572 vap->iv_key_set = rtwn_key_set;
573 vap->iv_key_delete = rtwn_key_delete;
574 vap->iv_max_aid = sc->macid_limit;
576 /* 802.11n parameters */
577 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16;
578 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K;
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);
591 * NB: driver can select net80211 RA even when user requests
594 ieee80211_ratectl_init(vap);
597 ieee80211_vap_attach(vap, ieee80211_media_change,
598 ieee80211_media_status, mac);
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);
606 rtwn_rxfilter_update(sc);
618 rtwn_vap_delete(struct ieee80211vap *vap)
620 struct ieee80211com *ic = vap->iv_ic;
621 struct rtwn_softc *sc = ic->ic_softc;
622 struct rtwn_vap *uvp = RTWN_VAP(vap);
624 /* Put vap into INIT state + stop device if needed. */
626 ieee80211_draintask(ic, &vap->iv_nstate_task);
627 ieee80211_draintask(ic, &ic->ic_parent_task);
630 /* Cancel any unfinished Tx. */
631 rtwn_reset_lists(sc, vap);
632 if (uvp->bcn_mbuf != NULL)
633 m_freem(uvp->bcn_mbuf);
634 rtwn_vap_decrement_counters(sc, vap->iv_opmode, uvp->id);
635 rtwn_set_ic_opmode(sc);
636 if (sc->sc_flags & RTWN_RUNNING)
637 rtwn_rxfilter_update(sc);
640 if (vap->iv_opmode == IEEE80211_M_IBSS) {
641 ieee80211_draintask(ic, &uvp->tsf_sync_adhoc_task);
642 callout_drain(&uvp->tsf_sync_adhoc);
645 ieee80211_ratectl_deinit(vap);
646 ieee80211_vap_detach(vap);
647 free(uvp, M_80211_VAP);
651 rtwn_read_chipid(struct rtwn_softc *sc)
655 reg = rtwn_read_4(sc, R92C_SYS_CFG);
656 if (reg & R92C_SYS_CFG_TRP_VAUX_EN) /* test chip */
659 rtwn_read_chipid_vendor(sc, reg);
665 rtwn_ioctl_reset(struct ieee80211vap *vap, u_long cmd)
670 #ifndef RTWN_WITHOUT_UCODE
671 case IEEE80211_IOC_POWERSAVE:
672 case IEEE80211_IOC_POWERSAVESLEEP:
674 struct rtwn_softc *sc = vap->iv_ic->ic_softc;
675 struct rtwn_vap *uvp = RTWN_VAP(vap);
677 if (vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) {
679 if (sc->sc_flags & RTWN_RUNNING)
680 error = rtwn_set_pwrmode(sc, vap, 1);
691 case IEEE80211_IOC_SHORTGI:
692 case IEEE80211_IOC_RTSTHRESHOLD:
693 case IEEE80211_IOC_PROTMODE:
694 case IEEE80211_IOC_HTPROTMODE:
695 case IEEE80211_IOC_LDPC:
707 rtwn_set_media_status(struct rtwn_softc *sc, union sec_param *data)
709 sc->sc_set_media_status(sc, data->macid);
712 #ifndef RTWN_WITHOUT_UCODE
714 rtwn_tx_fwpkt_check(struct rtwn_softc *sc, struct ieee80211vap *vap)
718 for (ntries = 0; ntries < 5; ntries++) {
719 error = rtwn_push_nulldata(sc, vap);
724 device_printf(sc->sc_dev,
725 "%s: cannot push f/w frames into chip, error %d!\n",
734 rtwn_construct_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap,
735 uint8_t *ptr, int qos)
737 struct rtwn_vap *uvp = RTWN_VAP(vap);
738 struct ieee80211com *ic = &sc->sc_ic;
739 struct rtwn_tx_desc_common *txd;
740 struct ieee80211_frame *wh;
743 /* XXX obtain from net80211 */
744 wh = (struct ieee80211_frame *)(ptr + sc->txdesc_len);
745 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA;
746 wh->i_fc[1] = IEEE80211_FC1_DIR_TODS;
747 IEEE80211_ADDR_COPY(wh->i_addr1, vap->iv_bss->ni_bssid);
748 IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr);
749 IEEE80211_ADDR_COPY(wh->i_addr3, vap->iv_bss->ni_macaddr);
751 txd = (struct rtwn_tx_desc_common *)ptr;
752 txd->offset = sc->txdesc_len;
753 pktlen = sc->txdesc_len;
755 struct ieee80211_qosframe *qwh;
756 const int tid = WME_AC_TO_TID(WME_AC_BE);
758 qwh = (struct ieee80211_qosframe *)wh;
759 qwh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_QOS_NULL;
760 qwh->i_qos[0] = tid & IEEE80211_QOS_TID;
762 txd->pktlen = htole16(sizeof(struct ieee80211_qosframe));
763 pktlen += sizeof(struct ieee80211_qosframe);
765 wh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_NODATA;
767 txd->pktlen = htole16(sizeof(struct ieee80211_frame));
768 pktlen += sizeof(struct ieee80211_frame);
771 rtwn_fill_tx_desc_null(sc, ptr,
772 ic->ic_curmode == IEEE80211_MODE_11B, qos, uvp->id);
778 rtwn_push_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap)
780 struct rtwn_vap *uvp = RTWN_VAP(vap);
781 struct ieee80211com *ic = vap->iv_ic;
782 struct ieee80211_channel *c = ic->ic_curchan;
785 int required_size, bcn_size, null_size, null_data, error;
787 if (!(sc->sc_flags & RTWN_FW_LOADED))
788 return (0); /* requires firmware */
790 KASSERT(sc->page_size > 0, ("page size was not set!\n"));
792 /* Leave some space for beacon (multi-vap) */
793 bcn_size = roundup(RTWN_BCN_MAX_SIZE, sc->page_size);
794 /* 1 page for Null Data + 1 page for Qos Null Data frames. */
795 required_size = bcn_size + sc->page_size * 2;
797 m = m_get2(required_size, M_NOWAIT, MT_DATA, M_PKTHDR);
801 /* Setup beacon descriptor. */
802 rtwn_beacon_set_rate(sc, &uvp->bcn_desc.txd[0],
803 IEEE80211_IS_CHAN_5GHZ(c));
805 ptr = mtod(m, uint8_t *);
806 memset(ptr, 0, required_size - sc->txdesc_len);
808 /* Construct Null Data frame. */
809 ptr += bcn_size - sc->txdesc_len;
810 null_size = rtwn_construct_nulldata(sc, vap, ptr, 0);
811 KASSERT(null_size < sc->page_size,
812 ("recalculate size for Null Data frame\n"));
814 /* Construct Qos Null Data frame. */
815 ptr += roundup(null_size, sc->page_size);
816 null_size = rtwn_construct_nulldata(sc, vap, ptr, 1);
817 KASSERT(null_size < sc->page_size,
818 ("recalculate size for Qos Null Data frame\n"));
820 /* Do not try to detect a beacon here. */
821 rtwn_setbits_1_shift(sc, R92C_CR, 0, R92C_CR_ENSWBCN, 1);
822 rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL,
823 R92C_FWHW_TXQ_CTRL_REAL_BEACON, 0, 2);
825 if (uvp->bcn_mbuf != NULL) {
826 rtwn_beacon_unload(sc, uvp->id);
827 m_freem(uvp->bcn_mbuf);
830 m->m_pkthdr.len = m->m_len = required_size - sc->txdesc_len;
833 error = rtwn_tx_beacon_check(sc, uvp);
835 RTWN_DPRINTF(sc, RTWN_DEBUG_BEACON,
836 "%s: frame was not recognized!\n", __func__);
840 /* Setup addresses in firmware. */
841 null_data = howmany(bcn_size, sc->page_size);
842 error = rtwn_set_rsvd_page(sc, 0, null_data, null_data + 1);
844 device_printf(sc->sc_dev,
845 "%s: CMD_RSVD_PAGE was not sent, error %d\n",
851 /* Re-enable beacon detection. */
852 rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL,
853 0, R92C_FWHW_TXQ_CTRL_REAL_BEACON, 2);
854 rtwn_setbits_1_shift(sc, R92C_CR, R92C_CR_ENSWBCN, 0, 1);
856 /* Restore beacon (if present). */
857 if (sc->bcn_vaps > 0 && sc->vaps[!uvp->id] != NULL) {
858 struct rtwn_vap *uvp2 = sc->vaps[!uvp->id];
860 if (uvp2->curr_mode != R92C_MSR_NOLINK)
861 error = rtwn_tx_beacon_check(sc, uvp2);
868 rtwn_pwrmode_init(void *arg)
870 struct rtwn_softc *sc = arg;
872 rtwn_cmd_sleepable(sc, NULL, 0, rtwn_set_pwrmode_cb);
876 rtwn_set_pwrmode_cb(struct rtwn_softc *sc, union sec_param *data)
878 struct ieee80211vap *vap = &sc->vaps[0]->vap;
881 rtwn_set_pwrmode(sc, vap, 1);
886 rtwn_tsf_sync_adhoc(void *arg)
888 struct ieee80211vap *vap = arg;
889 struct ieee80211com *ic = vap->iv_ic;
890 struct rtwn_vap *uvp = RTWN_VAP(vap);
892 if (uvp->curr_mode != R92C_MSR_NOLINK) {
893 /* Do it in process context. */
894 ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task);
899 * Workaround for TSF synchronization:
900 * when BSSID filter in IBSS mode is not set
901 * (and TSF synchronization is enabled), then any beacon may update it.
902 * This routine synchronizes it when BSSID matching is enabled (IBSS merge
903 * is not possible during this period).
905 * NOTE: there is no race with rtwn_newstate(), since it uses the same
909 rtwn_tsf_sync_adhoc_task(void *arg, int pending)
911 struct ieee80211vap *vap = arg;
912 struct rtwn_vap *uvp = RTWN_VAP(vap);
913 struct rtwn_softc *sc = vap->iv_ic->ic_softc;
914 struct ieee80211_node *ni;
917 ni = ieee80211_ref_node(vap->iv_bss);
919 /* Accept beacons with the same BSSID. */
920 rtwn_set_rx_bssid_all(sc, 0);
922 /* Deny RCR updates. */
923 sc->sc_flags |= RTWN_RCR_LOCKED;
925 /* Enable synchronization. */
926 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
927 R92C_BCN_CTRL_DIS_TSF_UDT0, 0);
930 rtwn_delay(sc, ni->ni_intval * 5 * 1000);
932 /* Disable synchronization. */
933 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
934 0, R92C_BCN_CTRL_DIS_TSF_UDT0);
936 /* Accept all beacons. */
937 sc->sc_flags &= ~RTWN_RCR_LOCKED;
938 rtwn_set_rx_bssid_all(sc, 1);
940 /* Schedule next TSF synchronization. */
941 callout_reset(&uvp->tsf_sync_adhoc, 60*hz, rtwn_tsf_sync_adhoc, vap);
943 ieee80211_free_node(ni);
948 rtwn_tsf_sync_enable(struct rtwn_softc *sc, struct ieee80211vap *vap)
950 struct ieee80211com *ic = &sc->sc_ic;
951 struct rtwn_vap *uvp = RTWN_VAP(vap);
954 rtwn_write_1(sc, R92C_DUAL_TSF_RST, R92C_DUAL_TSF_RESET(uvp->id));
956 switch (vap->iv_opmode) {
957 case IEEE80211_M_STA:
958 /* Enable TSF synchronization. */
959 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
960 R92C_BCN_CTRL_DIS_TSF_UDT0, 0);
962 case IEEE80211_M_IBSS:
963 ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task);
965 case IEEE80211_M_HOSTAP:
966 /* Enable beaconing. */
967 rtwn_beacon_enable(sc, uvp->id, 1);
970 device_printf(sc->sc_dev, "undefined opmode %d\n",
977 rtwn_set_ack_preamble(struct rtwn_softc *sc)
979 struct ieee80211com *ic = &sc->sc_ic;
982 reg = rtwn_read_4(sc, R92C_WMAC_TRXPTCL_CTL);
983 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
984 reg |= R92C_WMAC_TRXPTCL_SHPRE;
986 reg &= ~R92C_WMAC_TRXPTCL_SHPRE;
987 rtwn_write_4(sc, R92C_WMAC_TRXPTCL_CTL, reg);
991 rtwn_set_mode(struct rtwn_softc *sc, uint8_t mode, int id)
994 rtwn_setbits_1(sc, R92C_MSR, R92C_MSR_MASK << id * 2, mode << id * 2);
995 if (sc->vaps[id] != NULL)
996 sc->vaps[id]->curr_mode = mode;
1000 rtwn_monitor_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate,
1003 struct ieee80211com *ic = vap->iv_ic;
1004 struct rtwn_softc *sc = ic->ic_softc;
1005 struct rtwn_vap *uvp = RTWN_VAP(vap);
1007 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n",
1008 ieee80211_state_name[vap->iv_state],
1009 ieee80211_state_name[nstate]);
1011 if (vap->iv_state != nstate) {
1012 IEEE80211_UNLOCK(ic);
1016 case IEEE80211_S_INIT:
1018 sc->monvaps_running--;
1020 if (sc->vaps_running == 0) {
1021 /* Turn link LED off. */
1022 rtwn_set_led(sc, RTWN_LED_LINK, 0);
1025 case IEEE80211_S_RUN:
1027 sc->monvaps_running++;
1029 if (sc->vaps_running == 1) {
1030 /* Turn link LED on. */
1031 rtwn_set_led(sc, RTWN_LED_LINK, 1);
1043 return (uvp->newstate(vap, nstate, arg));
1047 rtwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
1049 struct rtwn_vap *uvp = RTWN_VAP(vap);
1050 struct ieee80211com *ic = vap->iv_ic;
1051 struct rtwn_softc *sc = ic->ic_softc;
1052 enum ieee80211_state ostate;
1053 int error, early_newstate;
1055 ostate = vap->iv_state;
1056 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n",
1057 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1059 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC &&
1060 ostate == IEEE80211_S_INIT && nstate == IEEE80211_S_RUN) {
1061 /* need to call iv_newstate() firstly */
1062 error = uvp->newstate(vap, nstate, arg);
1070 if (ostate == IEEE80211_S_CSA) {
1071 taskqueue_cancel_timeout(taskqueue_thread,
1072 &uvp->tx_beacon_csa, NULL);
1075 * In multi-vap case second counter may not be cleared
1078 vap->iv_csa_count = 0;
1080 IEEE80211_UNLOCK(ic);
1083 if (ostate == IEEE80211_S_CSA) {
1084 /* Unblock all queues (multi-vap case). */
1085 rtwn_write_1(sc, R92C_TXPAUSE, 0);
1088 if ((ostate == IEEE80211_S_RUN && nstate != IEEE80211_S_CSA) ||
1089 ostate == IEEE80211_S_CSA) {
1092 /* Set media status to 'No Link'. */
1093 rtwn_set_mode(sc, R92C_MSR_NOLINK, uvp->id);
1095 if (vap->iv_opmode == IEEE80211_M_IBSS) {
1096 /* Stop periodical TSF synchronization. */
1097 callout_stop(&uvp->tsf_sync_adhoc);
1100 /* Disable TSF synchronization / beaconing. */
1101 rtwn_beacon_enable(sc, uvp->id, 0);
1102 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
1103 0, R92C_BCN_CTRL_DIS_TSF_UDT0);
1105 /* NB: monitor mode vaps are using port 0. */
1106 if (uvp->id != 0 || sc->monvaps_running == 0) {
1108 rtwn_write_1(sc, R92C_DUAL_TSF_RST,
1109 R92C_DUAL_TSF_RESET(uvp->id));
1112 #ifndef RTWN_WITHOUT_UCODE
1113 if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 && uvp->id == 0) {
1114 /* Disable power management. */
1115 callout_stop(&sc->sc_pwrmode_init);
1116 rtwn_set_pwrmode(sc, vap, 0);
1119 if (sc->vaps_running - sc->monvaps_running > 0) {
1120 /* Recalculate basic rates bitmap. */
1121 rtwn_calc_basicrates(sc);
1124 if (sc->vaps_running == sc->monvaps_running) {
1125 /* Stop calibration. */
1126 callout_stop(&sc->sc_calib_to);
1128 /* Stop Rx of data frames. */
1129 rtwn_write_2(sc, R92C_RXFLTMAP2, 0);
1131 /* Reset EDCA parameters. */
1132 rtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217);
1133 rtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317);
1134 rtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320);
1135 rtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444);
1137 if (sc->vaps_running == 0) {
1138 /* Turn link LED off. */
1139 rtwn_set_led(sc, RTWN_LED_LINK, 0);
1146 case IEEE80211_S_SCAN:
1147 /* Pause AC Tx queues. */
1148 if (sc->vaps_running == 0)
1149 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_AC);
1151 case IEEE80211_S_RUN:
1152 error = rtwn_run(sc, vap);
1154 device_printf(sc->sc_dev,
1155 "%s: could not move to RUN state\n", __func__);
1161 case IEEE80211_S_CSA:
1162 /* Block all Tx queues (except beacon queue). */
1163 rtwn_setbits_1(sc, R92C_TXPAUSE, 0,
1164 R92C_TX_QUEUE_AC | R92C_TX_QUEUE_MGT | R92C_TX_QUEUE_HIGH);
1175 return (early_newstate ? 0 : uvp->newstate(vap, nstate, arg));
1179 rtwn_calc_basicrates(struct rtwn_softc *sc)
1181 struct ieee80211com *ic = &sc->sc_ic;
1182 uint32_t basicrates;
1185 RTWN_ASSERT_LOCKED(sc);
1187 if (ic->ic_flags & IEEE80211_F_SCAN)
1188 return; /* will be done by rtwn_scan_end(). */
1191 for (i = 0; i < nitems(sc->vaps); i++) {
1192 struct rtwn_vap *rvp;
1193 struct ieee80211vap *vap;
1194 struct ieee80211_node *ni;
1198 if (rvp == NULL || rvp->curr_mode == R92C_MSR_NOLINK)
1202 if (vap->iv_bss == NULL)
1205 ni = ieee80211_ref_node(vap->iv_bss);
1206 rtwn_get_rates(sc, &ni->ni_rates, NULL, &rates, NULL, 1);
1207 basicrates |= rates;
1208 ieee80211_free_node(ni);
1211 if (basicrates == 0)
1214 /* XXX initial RTS rate? */
1215 rtwn_set_basicrates(sc, basicrates);
1219 rtwn_run(struct rtwn_softc *sc, struct ieee80211vap *vap)
1221 struct ieee80211com *ic = vap->iv_ic;
1222 struct rtwn_vap *uvp = RTWN_VAP(vap);
1223 struct ieee80211_node *ni;
1227 RTWN_ASSERT_LOCKED(sc);
1230 ni = ieee80211_ref_node(vap->iv_bss);
1232 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC ||
1233 ni->ni_chan == IEEE80211_CHAN_ANYC) {
1238 switch (vap->iv_opmode) {
1239 case IEEE80211_M_STA:
1240 mode = R92C_MSR_INFRA;
1242 case IEEE80211_M_IBSS:
1243 mode = R92C_MSR_ADHOC;
1245 case IEEE80211_M_HOSTAP:
1249 KASSERT(0, ("undefined opmode %d\n", vap->iv_opmode));
1254 /* Set media status to 'Associated'. */
1255 rtwn_set_mode(sc, mode, uvp->id);
1258 /* XXX multi-vap? */
1259 rtwn_write_2(sc, R92C_BCN_PSR_RPT,
1260 0xc000 | IEEE80211_NODE_AID(ni));
1263 rtwn_set_bssid(sc, ni->ni_bssid, uvp->id);
1265 /* Set beacon interval. */
1266 rtwn_write_2(sc, R92C_BCN_INTERVAL(uvp->id), ni->ni_intval);
1268 if (sc->vaps_running == sc->monvaps_running) {
1269 /* Enable Rx of data frames. */
1270 rtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff);
1272 /* Flush all AC queues. */
1273 rtwn_write_1(sc, R92C_TXPAUSE, 0);
1276 #ifndef RTWN_WITHOUT_UCODE
1277 /* Upload (QoS) Null Data frame to firmware. */
1278 /* Note: do this for port 0 only. */
1279 if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 &&
1280 vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) {
1281 error = rtwn_tx_fwpkt_check(sc, vap);
1285 /* Setup power management. */
1287 * NB: it will be enabled immediately - delay it,
1288 * so 4-Way handshake will not be interrupted.
1290 callout_reset(&sc->sc_pwrmode_init, 5*hz,
1291 rtwn_pwrmode_init, sc);
1295 /* Enable TSF synchronization. */
1296 rtwn_tsf_sync_enable(sc, vap);
1298 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1299 vap->iv_opmode == IEEE80211_M_IBSS) {
1300 error = rtwn_setup_beacon(sc, ni);
1302 device_printf(sc->sc_dev,
1303 "unable to push beacon into the chip, "
1304 "error %d\n", error);
1309 /* Set ACK preamble type. */
1310 rtwn_set_ack_preamble(sc);
1312 /* Set basic rates mask. */
1313 rtwn_calc_basicrates(sc);
1316 rtwn_write_1(sc, R92C_SIFS_CCK + 1, 10);
1317 rtwn_write_1(sc, R92C_SIFS_OFDM + 1, 10);
1318 rtwn_write_1(sc, R92C_SPEC_SIFS + 1, 10);
1319 rtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, 10);
1320 rtwn_write_1(sc, R92C_R2T_SIFS + 1, 10);
1321 rtwn_write_1(sc, R92C_T2T_SIFS + 1, 10);
1324 if (sc->vaps_running == sc->monvaps_running) {
1325 /* Reset temperature calibration state machine. */
1326 sc->sc_flags &= ~RTWN_TEMP_MEASURED;
1327 sc->thcal_temp = sc->thermal_meter;
1329 /* Start periodic calibration. */
1330 callout_reset(&sc->sc_calib_to, 2*hz, rtwn_calib_to,
1333 if (sc->vaps_running == 0) {
1334 /* Turn link LED on. */
1335 rtwn_set_led(sc, RTWN_LED_LINK, 1);
1340 ieee80211_free_node(ni);
1347 rtwn_watchdog(void *arg)
1349 struct rtwn_softc *sc = arg;
1350 struct ieee80211com *ic = &sc->sc_ic;
1352 RTWN_ASSERT_LOCKED(sc);
1354 KASSERT(sc->sc_flags & RTWN_RUNNING, ("not running"));
1356 if (sc->sc_tx_timer != 0 && --sc->sc_tx_timer == 0) {
1357 ic_printf(ic, "device timeout\n");
1358 ieee80211_restart_all(ic);
1361 callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc);
1366 rtwn_parent(struct ieee80211com *ic)
1368 struct rtwn_softc *sc = ic->ic_softc;
1369 struct ieee80211vap *vap;
1371 if (ic->ic_nrunning > 0) {
1372 if (rtwn_init(sc) != 0) {
1374 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
1375 ieee80211_stop_locked(vap);
1376 IEEE80211_UNLOCK(ic);
1378 ieee80211_start_all(ic);
1384 rtwn_dma_init(struct rtwn_softc *sc)
1386 #define RTWN_CHK(res) do { \
1391 uint8_t tx_boundary;
1394 /* Initialize LLT table. */
1395 error = rtwn_llt_init(sc);
1399 /* Set the number of pages for each queue. */
1400 RTWN_DPRINTF(sc, RTWN_DEBUG_RESET,
1401 "%s: pages per queue: high %d, normal %d, low %d, public %d\n",
1402 __func__, sc->nhqpages, sc->nnqpages, sc->nlqpages,
1405 RTWN_CHK(rtwn_write_1(sc, R92C_RQPN_NPQ, sc->nnqpages));
1406 RTWN_CHK(rtwn_write_4(sc, R92C_RQPN,
1407 /* Set number of pages for public queue. */
1408 SM(R92C_RQPN_PUBQ, sc->npubqpages) |
1409 /* Set number of pages for high priority queue. */
1410 SM(R92C_RQPN_HPQ, sc->nhqpages) |
1411 /* Set number of pages for low priority queue. */
1412 SM(R92C_RQPN_LPQ, sc->nlqpages) |
1416 /* Initialize TX buffer boundary. */
1417 KASSERT(sc->page_count < 255 && sc->page_count > 0,
1418 ("page_count is %d\n", sc->page_count));
1419 tx_boundary = sc->page_count + 1;
1420 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, tx_boundary));
1421 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, tx_boundary));
1422 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, tx_boundary));
1423 RTWN_CHK(rtwn_write_1(sc, R92C_TRXFF_BNDY, tx_boundary));
1424 RTWN_CHK(rtwn_write_1(sc, R92C_TDECTRL + 1, tx_boundary));
1426 error = rtwn_init_bcnq1_boundary(sc);
1430 /* Set queue to USB pipe mapping. */
1431 /* Note: PCIe devices are using some magic number here. */
1432 reg = rtwn_get_qmap(sc);
1433 RTWN_CHK(rtwn_setbits_2(sc, R92C_TRXDMA_CTRL,
1434 R92C_TRXDMA_CTRL_QMAP_M, reg));
1436 /* Configure Tx/Rx DMA (PCIe). */
1437 rtwn_set_desc_addr(sc);
1439 /* Set Tx/Rx transfer page boundary. */
1440 RTWN_CHK(rtwn_write_2(sc, R92C_TRXFF_BNDY + 2,
1441 sc->rx_dma_size - 1));
1443 /* Set Tx/Rx transfer page size. */
1444 rtwn_set_page_size(sc);
1450 rtwn_mac_init(struct rtwn_softc *sc)
1454 /* Write MAC initialization values. */
1455 for (i = 0; i < sc->mac_size; i++) {
1456 error = rtwn_write_1(sc, sc->mac_prog[i].reg,
1457 sc->mac_prog[i].val);
1466 rtwn_mrr_init(struct rtwn_softc *sc)
1470 /* Drop rate index by 1 per retry. */
1471 for (i = 0; i < R92C_DARFRC_SIZE; i++) {
1472 rtwn_write_1(sc, R92C_DARFRC + i, i + 1);
1473 rtwn_write_1(sc, R92C_RARFRC + i, i + 1);
1478 rtwn_scan_start(struct ieee80211com *ic)
1480 struct rtwn_softc *sc = ic->ic_softc;
1483 /* Pause beaconing. */
1484 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_BCN);
1485 /* Receive beacons / probe responses from any BSSID. */
1486 if (sc->bcn_vaps == 0)
1487 rtwn_set_rx_bssid_all(sc, 1);
1492 rtwn_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
1494 struct rtwn_softc *sc = ss->ss_ic->ic_softc;
1496 /* Make link LED blink during scan. */
1498 rtwn_set_led(sc, RTWN_LED_LINK, !sc->ledlink);
1501 sc->sc_scan_curchan(ss, maxdwell);
1505 rtwn_scan_end(struct ieee80211com *ic)
1507 struct rtwn_softc *sc = ic->ic_softc;
1510 /* Restore limitations. */
1511 if (ic->ic_promisc == 0 && sc->bcn_vaps == 0)
1512 rtwn_set_rx_bssid_all(sc, 0);
1514 /* Restore LED state. */
1515 rtwn_set_led(sc, RTWN_LED_LINK, (sc->vaps_running != 0));
1517 /* Restore basic rates mask. */
1518 rtwn_calc_basicrates(sc);
1520 /* Resume beaconing. */
1521 rtwn_setbits_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_BCN, 0);
1526 rtwn_getradiocaps(struct ieee80211com *ic,
1527 int maxchans, int *nchans, struct ieee80211_channel chans[])
1529 struct rtwn_softc *sc = ic->ic_softc;
1530 uint8_t bands[IEEE80211_MODE_BYTES];
1533 memset(bands, 0, sizeof(bands));
1534 setbit(bands, IEEE80211_MODE_11B);
1535 setbit(bands, IEEE80211_MODE_11G);
1536 setbit(bands, IEEE80211_MODE_11NG);
1537 ieee80211_add_channel_list_2ghz(chans, maxchans, nchans,
1538 rtwn_chan_2ghz, nitems(rtwn_chan_2ghz), bands,
1539 !!(ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40));
1541 /* XXX workaround add_channel_list() limitations */
1542 setbit(bands, IEEE80211_MODE_11A);
1543 setbit(bands, IEEE80211_MODE_11NA);
1544 for (i = 0; i < nitems(sc->chan_num_5ghz); i++) {
1545 if (sc->chan_num_5ghz[i] == 0)
1548 ieee80211_add_channel_list_5ghz(chans, maxchans, nchans,
1549 sc->chan_list_5ghz[i], sc->chan_num_5ghz[i], bands,
1550 !!(ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40));
1555 rtwn_update_chw(struct ieee80211com *ic)
1560 rtwn_set_channel(struct ieee80211com *ic)
1562 struct rtwn_softc *sc = ic->ic_softc;
1563 struct ieee80211_channel *c = ic->ic_curchan;
1566 rtwn_set_chan(sc, c);
1567 sc->sc_rxtap.wr_chan_freq = htole16(c->ic_freq);
1568 sc->sc_rxtap.wr_chan_flags = htole16(c->ic_flags);
1569 sc->sc_txtap.wt_chan_freq = htole16(c->ic_freq);
1570 sc->sc_txtap.wt_chan_flags = htole16(c->ic_flags);
1575 rtwn_wme_update(struct ieee80211com *ic)
1577 struct chanAccParams chp;
1578 struct ieee80211_channel *c = ic->ic_curchan;
1579 struct rtwn_softc *sc = ic->ic_softc;
1580 struct wmeParams *wmep = sc->cap_wmeParams;
1581 uint8_t aifs, acm, slottime;
1584 ieee80211_wme_ic_getparams(ic, &chp);
1586 /* Prevent possible races. */
1587 IEEE80211_LOCK(ic); /* XXX */
1589 memcpy(wmep, chp.cap_wmeParams, sizeof(sc->cap_wmeParams));
1591 IEEE80211_UNLOCK(ic);
1594 slottime = IEEE80211_GET_SLOTTIME(ic);
1597 for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) {
1598 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */
1599 aifs = wmep[ac].wmep_aifsn * slottime +
1600 (IEEE80211_IS_CHAN_5GHZ(c) ?
1601 IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS);
1602 rtwn_write_4(sc, wme2reg[ac],
1603 SM(R92C_EDCA_PARAM_TXOP, wmep[ac].wmep_txopLimit) |
1604 SM(R92C_EDCA_PARAM_ECWMIN, wmep[ac].wmep_logcwmin) |
1605 SM(R92C_EDCA_PARAM_ECWMAX, wmep[ac].wmep_logcwmax) |
1606 SM(R92C_EDCA_PARAM_AIFS, aifs));
1607 if (ac != WME_AC_BE)
1608 acm |= wmep[ac].wmep_acm << ac;
1612 acm |= R92C_ACMHWCTRL_EN;
1613 rtwn_setbits_1(sc, R92C_ACMHWCTRL, R92C_ACMHWCTRL_ACM_MASK, acm);
1620 rtwn_update_slot(struct ieee80211com *ic)
1622 rtwn_cmd_sleepable(ic->ic_softc, NULL, 0, rtwn_update_slot_cb);
1626 rtwn_update_slot_cb(struct rtwn_softc *sc, union sec_param *data)
1628 struct ieee80211com *ic = &sc->sc_ic;
1631 slottime = IEEE80211_GET_SLOTTIME(ic);
1633 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s: setting slot time to %uus\n",
1634 __func__, slottime);
1636 rtwn_write_1(sc, R92C_SLOT, slottime);
1637 rtwn_update_aifs(sc, slottime);
1641 rtwn_update_aifs(struct rtwn_softc *sc, uint8_t slottime)
1643 struct ieee80211_channel *c = sc->sc_ic.ic_curchan;
1644 const struct wmeParams *wmep = sc->cap_wmeParams;
1647 for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) {
1648 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */
1649 aifs = wmep[ac].wmep_aifsn * slottime +
1650 (IEEE80211_IS_CHAN_5GHZ(c) ?
1651 IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS);
1652 rtwn_write_1(sc, wme2reg[ac], aifs);
1657 rtwn_update_promisc(struct ieee80211com *ic)
1659 struct rtwn_softc *sc = ic->ic_softc;
1662 if (sc->sc_flags & RTWN_RUNNING)
1663 rtwn_set_promisc(sc);
1668 rtwn_update_mcast(struct ieee80211com *ic)
1670 struct rtwn_softc *sc = ic->ic_softc;
1673 if (sc->sc_flags & RTWN_RUNNING)
1679 rtwn_set_bssid(struct rtwn_softc *sc, const uint8_t *bssid, int id)
1683 error = rtwn_write_4(sc, R92C_BSSID(id), le32dec(&bssid[0]));
1686 error = rtwn_write_2(sc, R92C_BSSID(id) + 4, le16dec(&bssid[4]));
1692 rtwn_set_macaddr(struct rtwn_softc *sc, const uint8_t *addr, int id)
1696 error = rtwn_write_4(sc, R92C_MACID(id), le32dec(&addr[0]));
1699 error = rtwn_write_2(sc, R92C_MACID(id) + 4, le16dec(&addr[4]));
1704 static struct ieee80211_node *
1705 rtwn_node_alloc(struct ieee80211vap *vap,
1706 const uint8_t mac[IEEE80211_ADDR_LEN])
1708 struct rtwn_node *un;
1710 un = malloc(sizeof (struct rtwn_node), M_80211_NODE,
1716 un->id = RTWN_MACID_UNDEFINED;
1723 rtwn_newassoc(struct ieee80211_node *ni, int isnew __unused)
1725 struct rtwn_softc *sc = ni->ni_ic->ic_softc;
1726 struct rtwn_node *un = RTWN_NODE(ni);
1729 if (un->id != RTWN_MACID_UNDEFINED)
1733 for (id = 0; id <= sc->macid_limit; id++) {
1734 if (id != RTWN_MACID_BC && sc->node_list[id] == NULL) {
1736 sc->node_list[id] = ni;
1742 if (id > sc->macid_limit) {
1743 device_printf(sc->sc_dev, "%s: node table is full\n",
1748 /* Notify firmware. */
1749 id |= RTWN_MACID_VALID;
1750 rtwn_cmd_sleepable(sc, &id, sizeof(id), rtwn_set_media_status);
1754 rtwn_node_free(struct ieee80211_node *ni)
1756 struct rtwn_softc *sc = ni->ni_ic->ic_softc;
1757 struct rtwn_node *un = RTWN_NODE(ni);
1760 if (un->id != RTWN_MACID_UNDEFINED) {
1761 sc->node_list[un->id] = NULL;
1762 rtwn_cmd_sleepable(sc, &un->id, sizeof(un->id),
1763 rtwn_set_media_status);
1767 sc->sc_node_free(ni);
1771 rtwn_init_beacon_reg(struct rtwn_softc *sc)
1773 rtwn_write_1(sc, R92C_BCN_CTRL(0), R92C_BCN_CTRL_DIS_TSF_UDT0);
1774 rtwn_write_1(sc, R92C_BCN_CTRL(1), R92C_BCN_CTRL_DIS_TSF_UDT0);
1775 rtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404);
1776 rtwn_write_1(sc, R92C_DRVERLYINT, 0x05);
1777 rtwn_write_1(sc, R92C_BCNDMATIM, 0x02);
1778 rtwn_write_2(sc, R92C_BCNTCFG, 0x660f);
1782 rtwn_init(struct rtwn_softc *sc)
1784 struct ieee80211com *ic = &sc->sc_ic;
1788 if (sc->sc_flags & RTWN_RUNNING) {
1792 sc->sc_flags |= RTWN_STARTED;
1794 /* Power on adapter. */
1795 error = rtwn_power_on(sc);
1799 #ifndef RTWN_WITHOUT_UCODE
1800 /* Load 8051 microcode. */
1801 error = rtwn_load_firmware(sc);
1803 sc->sc_flags |= RTWN_FW_LOADED;
1805 /* Init firmware commands ring. */
1809 /* Initialize MAC block. */
1810 error = rtwn_mac_init(sc);
1812 device_printf(sc->sc_dev,
1813 "%s: error while initializing MAC block\n", __func__);
1817 /* Initialize DMA. */
1818 error = rtwn_dma_init(sc);
1822 /* Drop incorrect TX (USB). */
1823 rtwn_drop_incorrect_tx(sc);
1825 /* Set info size in Rx descriptors (in 64-bit words). */
1826 rtwn_write_1(sc, R92C_RX_DRVINFO_SZ, R92C_RX_DRVINFO_SZ_DEF);
1828 /* Init interrupts. */
1831 for (i = 0; i < nitems(sc->vaps); i++) {
1832 struct rtwn_vap *uvp = sc->vaps[i];
1834 /* Set initial network type. */
1835 rtwn_set_mode(sc, R92C_MSR_NOLINK, i);
1840 /* Set MAC address. */
1841 error = rtwn_set_macaddr(sc, uvp->vap.iv_myaddr, uvp->id);
1846 /* Initialize Rx filter. */
1847 rtwn_rxfilter_init(sc);
1849 /* Set short/long retry limits. */
1850 rtwn_write_2(sc, R92C_RL,
1851 SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30));
1853 /* Initialize EDCA parameters. */
1856 rtwn_setbits_1(sc, R92C_FWHW_TXQ_CTRL, 0,
1857 R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW);
1858 /* Set ACK timeout. */
1859 rtwn_write_1(sc, R92C_ACKTO, sc->ackto);
1861 /* Setup aggregation. */
1862 /* Tx aggregation. */
1863 rtwn_init_tx_agg(sc);
1864 rtwn_init_rx_agg(sc);
1866 /* Initialize beacon parameters. */
1867 rtwn_init_beacon_reg(sc);
1869 /* Init A-MPDU parameters. */
1870 rtwn_init_ampdu(sc);
1872 /* Init MACTXEN / MACRXEN after setting RxFF boundary. */
1873 rtwn_setbits_1(sc, R92C_CR, 0, R92C_CR_MACTXEN | R92C_CR_MACRXEN);
1875 /* Initialize BB/RF blocks. */
1879 /* Initialize wireless band. */
1880 rtwn_set_chan(sc, ic->ic_curchan);
1882 /* Clear per-station keys table. */
1885 /* Enable decryption / encryption. */
1886 rtwn_init_seccfg(sc);
1888 /* Install static keys (if any). */
1889 for (i = 0; i < nitems(sc->vaps); i++) {
1890 if (sc->vaps[i] != NULL) {
1891 error = rtwn_init_static_keys(sc, sc->vaps[i]);
1897 /* Initialize antenna selection. */
1898 rtwn_init_antsel(sc);
1900 /* Enable hardware sequence numbering. */
1901 rtwn_write_1(sc, R92C_HWSEQ_CTRL, R92C_TX_QUEUE_ALL);
1904 rtwn_write_4(sc, R92C_BAR_MODE_CTRL, 0x0201ffff);
1907 rtwn_write_1(sc, R92C_NAV_UPPER, 0);
1909 /* Initialize GPIO setting. */
1910 rtwn_setbits_1(sc, R92C_GPIO_MUXCFG, R92C_GPIO_MUXCFG_ENBT, 0);
1912 /* Initialize MRR. */
1915 /* Device-specific post initialization. */
1918 rtwn_start_xfers(sc);
1921 callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc);
1924 sc->sc_flags |= RTWN_RUNNING;
1932 rtwn_stop(struct rtwn_softc *sc)
1936 if (!(sc->sc_flags & RTWN_STARTED)) {
1942 callout_stop(&sc->sc_watchdog_to);
1943 sc->sc_tx_timer = 0;
1945 sc->sc_flags &= ~(RTWN_STARTED | RTWN_RUNNING | RTWN_FW_LOADED);
1946 sc->sc_flags &= ~RTWN_TEMP_MEASURED;
1949 sc->cur_bcnq_id = RTWN_VAP_ID_INVALID;
1950 bzero(&sc->last_physt, sizeof(sc->last_physt));
1953 ieee80211_tx_watchdog_stop(&sc->sc_ic);
1956 rtwn_abort_xfers(sc);
1957 rtwn_drain_mbufq(sc);
1959 rtwn_reset_lists(sc, NULL);
1963 MODULE_VERSION(rtwn, 2);
1964 MODULE_DEPEND(rtwn, wlan, 1, 1, 1);
1965 #ifndef RTWN_WITHOUT_UCODE
1966 MODULE_DEPEND(rtwn, firmware, 1, 1, 1);