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 uint16_t wme2reg[] =
157 { R92C_EDCA_BE_PARAM, R92C_EDCA_BK_PARAM,
158 R92C_EDCA_VI_PARAM, R92C_EDCA_VO_PARAM };
161 rtwn_attach(struct rtwn_softc *sc)
163 struct ieee80211com *ic = &sc->sc_ic;
166 sc->cur_bcnq_id = RTWN_VAP_ID_INVALID;
168 RTWN_NT_LOCK_INIT(sc);
171 callout_init_mtx(&sc->sc_watchdog_to, &sc->sc_mtx, 0);
173 callout_init(&sc->sc_calib_to, 0);
174 callout_init(&sc->sc_pwrmode_init, 0);
175 mbufq_init(&sc->sc_snd, ifqmaxlen);
178 error = rtwn_read_chipid(sc);
181 device_printf(sc->sc_dev, "unsupported test chip\n");
185 error = rtwn_read_rom(sc);
187 device_printf(sc->sc_dev, "%s: cannot read rom, error %d\n",
192 if (sc->macid_limit > RTWN_MACID_LIMIT) {
193 device_printf(sc->sc_dev,
194 "macid limit will be reduced from %d to %d\n",
195 sc->macid_limit, RTWN_MACID_LIMIT);
196 sc->macid_limit = RTWN_MACID_LIMIT;
198 if (sc->cam_entry_limit > RTWN_CAM_ENTRY_LIMIT) {
199 device_printf(sc->sc_dev,
200 "cam entry limit will be reduced from %d to %d\n",
201 sc->cam_entry_limit, RTWN_CAM_ENTRY_LIMIT);
202 sc->cam_entry_limit = RTWN_CAM_ENTRY_LIMIT;
204 if (sc->txdesc_len > RTWN_TX_DESC_SIZE) {
205 device_printf(sc->sc_dev,
206 "adjust size for Tx descriptor (current %d, needed %d)\n",
207 RTWN_TX_DESC_SIZE, sc->txdesc_len);
211 device_printf(sc->sc_dev, "MAC/BB %s, RF 6052 %dT%dR\n",
212 sc->name, sc->ntxchains, sc->nrxchains);
215 ic->ic_phytype = IEEE80211_T_OFDM; /* not only, but not used */
216 ic->ic_opmode = IEEE80211_M_STA; /* default to BSS mode */
218 /* set device capabilities */
220 IEEE80211_C_STA /* station mode */
221 | IEEE80211_C_MONITOR /* monitor mode */
222 | IEEE80211_C_IBSS /* adhoc mode */
223 | IEEE80211_C_HOSTAP /* hostap mode */
224 #if 0 /* TODO: HRPWM register setup */
225 #ifndef RTWN_WITHOUT_UCODE
226 | IEEE80211_C_PMGT /* Station-side power mgmt */
229 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
230 | IEEE80211_C_SHSLOT /* short slot time supported */
232 | IEEE80211_C_BGSCAN /* capable of bg scanning */
234 | IEEE80211_C_WPA /* 802.11i */
235 | IEEE80211_C_WME /* 802.11e */
236 | IEEE80211_C_SWAMSDUTX /* Do software A-MSDU TX */
237 | IEEE80211_C_FF /* Atheros fast-frames */
240 if (sc->sc_hwcrypto != RTWN_CRYPTO_SW) {
242 IEEE80211_CRYPTO_WEP |
243 IEEE80211_CRYPTO_TKIP |
244 IEEE80211_CRYPTO_AES_CCM;
248 IEEE80211_HTCAP_SHORTGI20 /* short GI in 20MHz */
249 | IEEE80211_HTCAP_MAXAMSDU_3839 /* max A-MSDU length */
250 | IEEE80211_HTCAP_SMPS_OFF /* SM PS mode disabled */
251 /* s/w capabilities */
252 | IEEE80211_HTC_HT /* HT operation */
253 | IEEE80211_HTC_AMPDU /* A-MPDU tx */
254 | IEEE80211_HTC_AMSDU /* A-MSDU tx */
259 IEEE80211_HTCAP_CHWIDTH40 /* 40 MHz channel width */
260 | IEEE80211_HTCAP_SHORTGI40 /* short GI in 40MHz */
264 ic->ic_txstream = sc->ntxchains;
265 ic->ic_rxstream = sc->nrxchains;
267 /* Enable TX watchdog */
269 ic->ic_flags_ext |= IEEE80211_FEXT_WATCHDOG;
272 /* Adjust capabilities. */
273 rtwn_adj_devcaps(sc);
275 rtwn_getradiocaps(ic, IEEE80211_CHAN_MAX, &ic->ic_nchans,
278 /* XXX TODO: setup regdomain if R92C_CHANNEL_PLAN_BY_HW bit is set. */
280 ieee80211_ifattach(ic);
281 ic->ic_raw_xmit = rtwn_raw_xmit;
282 ic->ic_scan_start = rtwn_scan_start;
283 sc->sc_scan_curchan = ic->ic_scan_curchan;
284 ic->ic_scan_curchan = rtwn_scan_curchan;
285 ic->ic_scan_end = rtwn_scan_end;
286 ic->ic_getradiocaps = rtwn_getradiocaps;
287 ic->ic_update_chw = rtwn_update_chw;
288 ic->ic_set_channel = rtwn_set_channel;
289 ic->ic_transmit = rtwn_transmit;
290 ic->ic_parent = rtwn_parent;
291 ic->ic_vap_create = rtwn_vap_create;
292 ic->ic_vap_delete = rtwn_vap_delete;
293 ic->ic_wme.wme_update = rtwn_wme_update;
294 ic->ic_updateslot = rtwn_update_slot;
295 ic->ic_update_promisc = rtwn_update_promisc;
296 ic->ic_update_mcast = rtwn_update_mcast;
297 ic->ic_node_alloc = rtwn_node_alloc;
298 ic->ic_newassoc = rtwn_newassoc;
299 sc->sc_node_free = ic->ic_node_free;
300 ic->ic_node_free = rtwn_node_free;
303 rtwn_radiotap_attach(sc);
306 ieee80211_announce(ic);
311 return (ENXIO); /* failure */
315 rtwn_radiotap_attach(struct rtwn_softc *sc)
317 struct rtwn_rx_radiotap_header *rxtap = &sc->sc_rxtap;
318 struct rtwn_tx_radiotap_header *txtap = &sc->sc_txtap;
320 ieee80211_radiotap_attach(&sc->sc_ic,
321 &txtap->wt_ihdr, sizeof(*txtap), RTWN_TX_RADIOTAP_PRESENT,
322 &rxtap->wr_ihdr, sizeof(*rxtap), RTWN_RX_RADIOTAP_PRESENT);
326 rtwn_sysctlattach(struct rtwn_softc *sc)
328 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
329 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
333 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
334 "ht40", CTLFLAG_RDTUN, &sc->sc_ht40,
335 sc->sc_ht40, "Enable 40 MHz mode support");
339 SYSCTL_ADD_U32(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
340 "debug", CTLFLAG_RWTUN, &sc->sc_debug, sc->sc_debug,
341 "Control debugging printfs");
344 sc->sc_hwcrypto = RTWN_CRYPTO_PAIR;
345 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
346 "hwcrypto", CTLFLAG_RDTUN, &sc->sc_hwcrypto,
347 sc->sc_hwcrypto, "Enable h/w crypto: "
348 "0 - disable, 1 - pairwise keys, 2 - all keys");
349 if (sc->sc_hwcrypto >= RTWN_CRYPTO_MAX)
350 sc->sc_hwcrypto = RTWN_CRYPTO_FULL;
352 sc->sc_ratectl_sysctl = RTWN_RATECTL_NET80211;
353 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
354 "ratectl", CTLFLAG_RDTUN, &sc->sc_ratectl_sysctl,
355 sc->sc_ratectl_sysctl, "Select rate control mechanism: "
356 "0 - disabled, 1 - via net80211, 2 - via firmware");
357 if (sc->sc_ratectl_sysctl >= RTWN_RATECTL_MAX)
358 sc->sc_ratectl_sysctl = RTWN_RATECTL_FW;
360 sc->sc_ratectl = sc->sc_ratectl_sysctl;
361 SYSCTL_ADD_INT(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
362 "ratectl_selected", CTLFLAG_RD, &sc->sc_ratectl,
364 "Currently selected rate control mechanism (by the driver)");
368 rtwn_detach(struct rtwn_softc *sc)
370 struct ieee80211com *ic = &sc->sc_ic;
372 if (ic->ic_softc == sc) {
373 /* Stop command queue. */
376 RTWN_CMDQ_UNLOCK(sc);
378 ieee80211_draintask(ic, &sc->cmdq_task);
379 ieee80211_ifdetach(ic);
382 rtwn_cmdq_destroy(sc);
383 if (RTWN_NT_LOCK_INITIALIZED(sc))
384 RTWN_NT_LOCK_DESTROY(sc);
388 rtwn_suspend(struct rtwn_softc *sc)
390 struct ieee80211com *ic = &sc->sc_ic;
392 ieee80211_suspend_all(ic);
396 rtwn_resume(struct rtwn_softc *sc)
398 struct ieee80211com *ic = &sc->sc_ic;
400 ieee80211_resume_all(ic);
404 rtwn_vap_decrement_counters(struct rtwn_softc *sc,
405 enum ieee80211_opmode opmode, int id)
408 RTWN_ASSERT_LOCKED(sc);
410 if (id != RTWN_VAP_ID_INVALID) {
411 KASSERT(id == 0 || id == 1, ("wrong vap id %d!\n", id));
412 KASSERT(sc->vaps[id] != NULL, ("vap pointer is NULL\n"));
417 case IEEE80211_M_HOSTAP:
420 case IEEE80211_M_IBSS:
423 case IEEE80211_M_STA:
426 case IEEE80211_M_MONITOR:
430 KASSERT(0, ("wrong opmode %d\n", opmode));
434 KASSERT(sc->vaps_running >= 0 && sc->monvaps_running >= 0,
435 ("number of running vaps is negative (vaps %d, monvaps %d)\n",
436 sc->vaps_running, sc->monvaps_running));
437 KASSERT(sc->vaps_running - sc->monvaps_running <= RTWN_PORT_COUNT,
438 ("number of running vaps is too big (vaps %d, monvaps %d)\n",
439 sc->vaps_running, sc->monvaps_running));
441 KASSERT(sc->nvaps >= 0 && sc->nvaps <= RTWN_PORT_COUNT,
442 ("wrong value %d for nvaps\n", sc->nvaps));
443 KASSERT(sc->mon_vaps >= 0, ("mon_vaps is negative (%d)\n",
445 KASSERT(sc->bcn_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) &&
446 sc->bcn_vaps <= RTWN_PORT_COUNT) || sc->bcn_vaps <= 1),
447 ("bcn_vaps value %d is wrong\n", sc->bcn_vaps));
448 KASSERT(sc->ap_vaps >= 0 && ((RTWN_CHIP_HAS_BCNQ1(sc) &&
449 sc->ap_vaps <= RTWN_PORT_COUNT) || sc->ap_vaps <= 1),
450 ("ap_vaps value %d is wrong\n", sc->ap_vaps));
454 rtwn_set_ic_opmode(struct rtwn_softc *sc)
456 struct ieee80211com *ic = &sc->sc_ic;
458 RTWN_ASSERT_LOCKED(sc);
460 /* for ieee80211_reset_erp() */
461 if (sc->bcn_vaps - sc->ap_vaps > 0)
462 ic->ic_opmode = IEEE80211_M_IBSS;
463 else if (sc->ap_vaps > 0)
464 ic->ic_opmode = IEEE80211_M_HOSTAP;
465 else if (sc->nvaps > 0)
466 ic->ic_opmode = IEEE80211_M_STA;
468 ic->ic_opmode = IEEE80211_M_MONITOR;
471 static struct ieee80211vap *
472 rtwn_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
473 enum ieee80211_opmode opmode, int flags,
474 const uint8_t bssid[IEEE80211_ADDR_LEN],
475 const uint8_t mac[IEEE80211_ADDR_LEN])
477 struct rtwn_softc *sc = ic->ic_softc;
478 struct rtwn_vap *uvp;
479 struct ieee80211vap *vap;
480 int id = RTWN_VAP_ID_INVALID;
483 KASSERT(sc->nvaps <= RTWN_PORT_COUNT,
484 ("nvaps overflow (%d > %d)\n", sc->nvaps, RTWN_PORT_COUNT));
485 KASSERT(sc->ap_vaps <= RTWN_PORT_COUNT,
486 ("ap_vaps overflow (%d > %d)\n", sc->ap_vaps, RTWN_PORT_COUNT));
487 KASSERT(sc->bcn_vaps <= RTWN_PORT_COUNT,
488 ("bcn_vaps overflow (%d > %d)\n", sc->bcn_vaps, RTWN_PORT_COUNT));
490 if (opmode != IEEE80211_M_MONITOR) {
496 if (sc->vaps[1] == NULL)
498 else if (sc->vaps[0] == NULL)
500 KASSERT(id != RTWN_VAP_ID_INVALID,
501 ("no free ports left\n"));
508 if (opmode == IEEE80211_M_IBSS ||
509 opmode == IEEE80211_M_HOSTAP) {
510 if ((sc->bcn_vaps == 1 && !RTWN_CHIP_HAS_BCNQ1(sc)) ||
511 sc->bcn_vaps == RTWN_PORT_COUNT)
517 case IEEE80211_M_HOSTAP:
520 case IEEE80211_M_IBSS:
523 case IEEE80211_M_STA:
526 case IEEE80211_M_MONITOR:
530 KASSERT(0, ("unknown opmode %d\n", opmode));
535 uvp = malloc(sizeof(struct rtwn_vap), M_80211_VAP, M_WAITOK | M_ZERO);
537 if (id != RTWN_VAP_ID_INVALID) {
543 /* enable s/w bmiss handling for sta mode */
545 if (ieee80211_vap_setup(ic, vap, name, unit, opmode,
546 flags | IEEE80211_CLONE_NOBEACONS, bssid) != 0) {
548 free(uvp, M_80211_VAP);
551 rtwn_vap_decrement_counters(sc, opmode, id);
557 rtwn_beacon_init(sc, &uvp->bcn_desc.txd[0], uvp->id);
558 rtwn_vap_preattach(sc, vap);
560 /* override state transition machine */
561 uvp->newstate = vap->iv_newstate;
562 if (opmode == IEEE80211_M_MONITOR)
563 vap->iv_newstate = rtwn_monitor_newstate;
565 vap->iv_newstate = rtwn_newstate;
566 vap->iv_update_beacon = rtwn_update_beacon;
567 vap->iv_reset = rtwn_ioctl_reset;
568 vap->iv_key_alloc = rtwn_key_alloc;
569 vap->iv_key_set = rtwn_key_set;
570 vap->iv_key_delete = rtwn_key_delete;
571 vap->iv_max_aid = sc->macid_limit;
573 /* 802.11n parameters */
574 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_16;
575 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K;
577 TIMEOUT_TASK_INIT(taskqueue_thread, &uvp->tx_beacon_csa, 0,
578 rtwn_tx_beacon_csa, vap);
579 if (opmode == IEEE80211_M_IBSS) {
580 uvp->recv_mgmt = vap->iv_recv_mgmt;
581 vap->iv_recv_mgmt = rtwn_adhoc_recv_mgmt;
582 TASK_INIT(&uvp->tsf_sync_adhoc_task, 0,
583 rtwn_tsf_sync_adhoc_task, vap);
584 callout_init(&uvp->tsf_sync_adhoc, 0);
588 * NB: driver can select net80211 RA even when user requests
591 ieee80211_ratectl_init(vap);
594 ieee80211_vap_attach(vap, ieee80211_media_change,
595 ieee80211_media_status, mac);
598 rtwn_set_ic_opmode(sc);
599 if (sc->sc_flags & RTWN_RUNNING) {
600 if (uvp->id != RTWN_VAP_ID_INVALID)
601 rtwn_set_macaddr(sc, vap->iv_myaddr, uvp->id);
603 rtwn_rxfilter_update(sc);
615 rtwn_vap_delete(struct ieee80211vap *vap)
617 struct ieee80211com *ic = vap->iv_ic;
618 struct rtwn_softc *sc = ic->ic_softc;
619 struct rtwn_vap *uvp = RTWN_VAP(vap);
621 /* Put vap into INIT state + stop device if needed. */
623 ieee80211_draintask(ic, &vap->iv_nstate_task);
624 ieee80211_draintask(ic, &ic->ic_parent_task);
627 /* Cancel any unfinished Tx. */
628 rtwn_reset_lists(sc, vap);
629 if (uvp->bcn_mbuf != NULL)
630 m_freem(uvp->bcn_mbuf);
631 rtwn_vap_decrement_counters(sc, vap->iv_opmode, uvp->id);
632 rtwn_set_ic_opmode(sc);
633 if (sc->sc_flags & RTWN_RUNNING)
634 rtwn_rxfilter_update(sc);
637 if (vap->iv_opmode == IEEE80211_M_IBSS) {
638 ieee80211_draintask(ic, &uvp->tsf_sync_adhoc_task);
639 callout_drain(&uvp->tsf_sync_adhoc);
642 ieee80211_ratectl_deinit(vap);
643 ieee80211_vap_detach(vap);
644 free(uvp, M_80211_VAP);
648 rtwn_read_chipid(struct rtwn_softc *sc)
652 reg = rtwn_read_4(sc, R92C_SYS_CFG);
653 if (reg & R92C_SYS_CFG_TRP_VAUX_EN) /* test chip */
656 rtwn_read_chipid_vendor(sc, reg);
662 rtwn_ioctl_reset(struct ieee80211vap *vap, u_long cmd)
667 #ifndef RTWN_WITHOUT_UCODE
668 case IEEE80211_IOC_POWERSAVE:
669 case IEEE80211_IOC_POWERSAVESLEEP:
671 struct rtwn_softc *sc = vap->iv_ic->ic_softc;
672 struct rtwn_vap *uvp = RTWN_VAP(vap);
674 if (vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) {
676 if (sc->sc_flags & RTWN_RUNNING)
677 error = rtwn_set_pwrmode(sc, vap, 1);
688 case IEEE80211_IOC_SHORTGI:
689 case IEEE80211_IOC_RTSTHRESHOLD:
690 case IEEE80211_IOC_PROTMODE:
691 case IEEE80211_IOC_HTPROTMODE:
692 case IEEE80211_IOC_LDPC:
704 rtwn_set_media_status(struct rtwn_softc *sc, union sec_param *data)
706 sc->sc_set_media_status(sc, data->macid);
709 #ifndef RTWN_WITHOUT_UCODE
711 rtwn_tx_fwpkt_check(struct rtwn_softc *sc, struct ieee80211vap *vap)
715 for (ntries = 0; ntries < 5; ntries++) {
716 error = rtwn_push_nulldata(sc, vap);
721 device_printf(sc->sc_dev,
722 "%s: cannot push f/w frames into chip, error %d!\n",
731 rtwn_construct_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap,
732 uint8_t *ptr, int qos)
734 struct rtwn_vap *uvp = RTWN_VAP(vap);
735 struct ieee80211com *ic = &sc->sc_ic;
736 struct rtwn_tx_desc_common *txd;
737 struct ieee80211_frame *wh;
740 /* XXX obtain from net80211 */
741 wh = (struct ieee80211_frame *)(ptr + sc->txdesc_len);
742 wh->i_fc[0] = IEEE80211_FC0_VERSION_0 | IEEE80211_FC0_TYPE_DATA;
743 wh->i_fc[1] = IEEE80211_FC1_DIR_TODS;
744 IEEE80211_ADDR_COPY(wh->i_addr1, vap->iv_bss->ni_bssid);
745 IEEE80211_ADDR_COPY(wh->i_addr2, vap->iv_myaddr);
746 IEEE80211_ADDR_COPY(wh->i_addr3, vap->iv_bss->ni_macaddr);
748 txd = (struct rtwn_tx_desc_common *)ptr;
749 txd->offset = sc->txdesc_len;
750 pktlen = sc->txdesc_len;
752 struct ieee80211_qosframe *qwh;
753 const int tid = WME_AC_TO_TID(WME_AC_BE);
755 qwh = (struct ieee80211_qosframe *)wh;
756 qwh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_QOS_NULL;
757 qwh->i_qos[0] = tid & IEEE80211_QOS_TID;
759 txd->pktlen = htole16(sizeof(struct ieee80211_qosframe));
760 pktlen += sizeof(struct ieee80211_qosframe);
762 wh->i_fc[0] |= IEEE80211_FC0_SUBTYPE_NODATA;
764 txd->pktlen = htole16(sizeof(struct ieee80211_frame));
765 pktlen += sizeof(struct ieee80211_frame);
768 rtwn_fill_tx_desc_null(sc, ptr,
769 ic->ic_curmode == IEEE80211_MODE_11B, qos, uvp->id);
775 rtwn_push_nulldata(struct rtwn_softc *sc, struct ieee80211vap *vap)
777 struct rtwn_vap *uvp = RTWN_VAP(vap);
778 struct ieee80211com *ic = vap->iv_ic;
779 struct ieee80211_channel *c = ic->ic_curchan;
782 int required_size, bcn_size, null_size, null_data, error;
784 if (!(sc->sc_flags & RTWN_FW_LOADED))
785 return (0); /* requires firmware */
787 KASSERT(sc->page_size > 0, ("page size was not set!\n"));
789 /* Leave some space for beacon (multi-vap) */
790 bcn_size = roundup(RTWN_BCN_MAX_SIZE, sc->page_size);
791 /* 1 page for Null Data + 1 page for Qos Null Data frames. */
792 required_size = bcn_size + sc->page_size * 2;
794 m = m_get2(required_size, M_NOWAIT, MT_DATA, M_PKTHDR);
798 /* Setup beacon descriptor. */
799 rtwn_beacon_set_rate(sc, &uvp->bcn_desc.txd[0],
800 IEEE80211_IS_CHAN_5GHZ(c));
802 ptr = mtod(m, uint8_t *);
803 memset(ptr, 0, required_size - sc->txdesc_len);
805 /* Construct Null Data frame. */
806 ptr += bcn_size - sc->txdesc_len;
807 null_size = rtwn_construct_nulldata(sc, vap, ptr, 0);
808 KASSERT(null_size < sc->page_size,
809 ("recalculate size for Null Data frame\n"));
811 /* Construct Qos Null Data frame. */
812 ptr += roundup(null_size, sc->page_size);
813 null_size = rtwn_construct_nulldata(sc, vap, ptr, 1);
814 KASSERT(null_size < sc->page_size,
815 ("recalculate size for Qos Null Data frame\n"));
817 /* Do not try to detect a beacon here. */
818 rtwn_setbits_1_shift(sc, R92C_CR, 0, R92C_CR_ENSWBCN, 1);
819 rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL,
820 R92C_FWHW_TXQ_CTRL_REAL_BEACON, 0, 2);
822 if (uvp->bcn_mbuf != NULL) {
823 rtwn_beacon_unload(sc, uvp->id);
824 m_freem(uvp->bcn_mbuf);
827 m->m_pkthdr.len = m->m_len = required_size - sc->txdesc_len;
830 error = rtwn_tx_beacon_check(sc, uvp);
832 RTWN_DPRINTF(sc, RTWN_DEBUG_BEACON,
833 "%s: frame was not recognized!\n", __func__);
837 /* Setup addresses in firmware. */
838 null_data = howmany(bcn_size, sc->page_size);
839 error = rtwn_set_rsvd_page(sc, 0, null_data, null_data + 1);
841 device_printf(sc->sc_dev,
842 "%s: CMD_RSVD_PAGE was not sent, error %d\n",
848 /* Re-enable beacon detection. */
849 rtwn_setbits_1_shift(sc, R92C_FWHW_TXQ_CTRL,
850 0, R92C_FWHW_TXQ_CTRL_REAL_BEACON, 2);
851 rtwn_setbits_1_shift(sc, R92C_CR, R92C_CR_ENSWBCN, 0, 1);
853 /* Restore beacon (if present). */
854 if (sc->bcn_vaps > 0 && sc->vaps[!uvp->id] != NULL) {
855 struct rtwn_vap *uvp2 = sc->vaps[!uvp->id];
857 if (uvp2->curr_mode != R92C_MSR_NOLINK)
858 error = rtwn_tx_beacon_check(sc, uvp2);
865 rtwn_pwrmode_init(void *arg)
867 struct rtwn_softc *sc = arg;
869 rtwn_cmd_sleepable(sc, NULL, 0, rtwn_set_pwrmode_cb);
873 rtwn_set_pwrmode_cb(struct rtwn_softc *sc, union sec_param *data)
875 struct ieee80211vap *vap = &sc->vaps[0]->vap;
878 rtwn_set_pwrmode(sc, vap, 1);
883 rtwn_tsf_sync_adhoc(void *arg)
885 struct ieee80211vap *vap = arg;
886 struct ieee80211com *ic = vap->iv_ic;
887 struct rtwn_vap *uvp = RTWN_VAP(vap);
889 if (uvp->curr_mode != R92C_MSR_NOLINK) {
890 /* Do it in process context. */
891 ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task);
896 * Workaround for TSF synchronization:
897 * when BSSID filter in IBSS mode is not set
898 * (and TSF synchronization is enabled), then any beacon may update it.
899 * This routine synchronizes it when BSSID matching is enabled (IBSS merge
900 * is not possible during this period).
902 * NOTE: there is no race with rtwn_newstate(), since it uses the same
906 rtwn_tsf_sync_adhoc_task(void *arg, int pending)
908 struct ieee80211vap *vap = arg;
909 struct rtwn_vap *uvp = RTWN_VAP(vap);
910 struct rtwn_softc *sc = vap->iv_ic->ic_softc;
911 struct ieee80211_node *ni;
914 ni = ieee80211_ref_node(vap->iv_bss);
916 /* Accept beacons with the same BSSID. */
917 rtwn_set_rx_bssid_all(sc, 0);
919 /* Deny RCR updates. */
920 sc->sc_flags |= RTWN_RCR_LOCKED;
922 /* Enable synchronization. */
923 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
924 R92C_BCN_CTRL_DIS_TSF_UDT0, 0);
927 rtwn_delay(sc, ni->ni_intval * 5 * 1000);
929 /* Disable synchronization. */
930 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
931 0, R92C_BCN_CTRL_DIS_TSF_UDT0);
933 /* Accept all beacons. */
934 sc->sc_flags &= ~RTWN_RCR_LOCKED;
935 rtwn_set_rx_bssid_all(sc, 1);
937 /* Schedule next TSF synchronization. */
938 callout_reset(&uvp->tsf_sync_adhoc, 60*hz, rtwn_tsf_sync_adhoc, vap);
940 ieee80211_free_node(ni);
945 rtwn_tsf_sync_enable(struct rtwn_softc *sc, struct ieee80211vap *vap)
947 struct ieee80211com *ic = &sc->sc_ic;
948 struct rtwn_vap *uvp = RTWN_VAP(vap);
951 rtwn_write_1(sc, R92C_DUAL_TSF_RST, R92C_DUAL_TSF_RESET(uvp->id));
953 switch (vap->iv_opmode) {
954 case IEEE80211_M_STA:
955 /* Enable TSF synchronization. */
956 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
957 R92C_BCN_CTRL_DIS_TSF_UDT0, 0);
959 case IEEE80211_M_IBSS:
960 ieee80211_runtask(ic, &uvp->tsf_sync_adhoc_task);
962 case IEEE80211_M_HOSTAP:
963 /* Enable beaconing. */
964 rtwn_beacon_enable(sc, uvp->id, 1);
967 device_printf(sc->sc_dev, "undefined opmode %d\n",
974 rtwn_set_ack_preamble(struct rtwn_softc *sc)
976 struct ieee80211com *ic = &sc->sc_ic;
979 reg = rtwn_read_4(sc, R92C_WMAC_TRXPTCL_CTL);
980 if (ic->ic_flags & IEEE80211_F_SHPREAMBLE)
981 reg |= R92C_WMAC_TRXPTCL_SHPRE;
983 reg &= ~R92C_WMAC_TRXPTCL_SHPRE;
984 rtwn_write_4(sc, R92C_WMAC_TRXPTCL_CTL, reg);
988 rtwn_set_mode(struct rtwn_softc *sc, uint8_t mode, int id)
991 rtwn_setbits_1(sc, R92C_MSR, R92C_MSR_MASK << id * 2, mode << id * 2);
992 if (sc->vaps[id] != NULL)
993 sc->vaps[id]->curr_mode = mode;
997 rtwn_monitor_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate,
1000 struct ieee80211com *ic = vap->iv_ic;
1001 struct rtwn_softc *sc = ic->ic_softc;
1002 struct rtwn_vap *uvp = RTWN_VAP(vap);
1004 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n",
1005 ieee80211_state_name[vap->iv_state],
1006 ieee80211_state_name[nstate]);
1008 if (vap->iv_state != nstate) {
1009 IEEE80211_UNLOCK(ic);
1013 case IEEE80211_S_INIT:
1015 sc->monvaps_running--;
1017 if (sc->vaps_running == 0) {
1018 /* Turn link LED off. */
1019 rtwn_set_led(sc, RTWN_LED_LINK, 0);
1022 case IEEE80211_S_RUN:
1024 sc->monvaps_running++;
1026 if (sc->vaps_running == 1) {
1027 /* Turn link LED on. */
1028 rtwn_set_led(sc, RTWN_LED_LINK, 1);
1040 return (uvp->newstate(vap, nstate, arg));
1044 rtwn_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
1046 struct rtwn_vap *uvp = RTWN_VAP(vap);
1047 struct ieee80211com *ic = vap->iv_ic;
1048 struct rtwn_softc *sc = ic->ic_softc;
1049 enum ieee80211_state ostate;
1050 int error, early_newstate;
1052 ostate = vap->iv_state;
1053 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s -> %s\n",
1054 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
1056 if (vap->iv_bss->ni_chan == IEEE80211_CHAN_ANYC &&
1057 ostate == IEEE80211_S_INIT && nstate == IEEE80211_S_RUN) {
1058 /* need to call iv_newstate() firstly */
1059 error = uvp->newstate(vap, nstate, arg);
1067 if (ostate == IEEE80211_S_CSA) {
1068 taskqueue_cancel_timeout(taskqueue_thread,
1069 &uvp->tx_beacon_csa, NULL);
1072 * In multi-vap case second counter may not be cleared
1075 vap->iv_csa_count = 0;
1077 IEEE80211_UNLOCK(ic);
1080 if (ostate == IEEE80211_S_CSA) {
1081 /* Unblock all queues (multi-vap case). */
1082 rtwn_write_1(sc, R92C_TXPAUSE, 0);
1085 if ((ostate == IEEE80211_S_RUN && nstate != IEEE80211_S_CSA) ||
1086 ostate == IEEE80211_S_CSA) {
1089 /* Set media status to 'No Link'. */
1090 rtwn_set_mode(sc, R92C_MSR_NOLINK, uvp->id);
1092 if (vap->iv_opmode == IEEE80211_M_IBSS) {
1093 /* Stop periodical TSF synchronization. */
1094 callout_stop(&uvp->tsf_sync_adhoc);
1097 /* Disable TSF synchronization / beaconing. */
1098 rtwn_beacon_enable(sc, uvp->id, 0);
1099 rtwn_setbits_1(sc, R92C_BCN_CTRL(uvp->id),
1100 0, R92C_BCN_CTRL_DIS_TSF_UDT0);
1102 /* NB: monitor mode vaps are using port 0. */
1103 if (uvp->id != 0 || sc->monvaps_running == 0) {
1105 rtwn_write_1(sc, R92C_DUAL_TSF_RST,
1106 R92C_DUAL_TSF_RESET(uvp->id));
1109 #ifndef RTWN_WITHOUT_UCODE
1110 if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 && uvp->id == 0) {
1111 /* Disable power management. */
1112 callout_stop(&sc->sc_pwrmode_init);
1113 rtwn_set_pwrmode(sc, vap, 0);
1116 if (sc->vaps_running - sc->monvaps_running > 0) {
1117 /* Recalculate basic rates bitmap. */
1118 rtwn_calc_basicrates(sc);
1121 if (sc->vaps_running == sc->monvaps_running) {
1122 /* Stop calibration. */
1123 callout_stop(&sc->sc_calib_to);
1125 /* Stop Rx of data frames. */
1126 rtwn_write_2(sc, R92C_RXFLTMAP2, 0);
1128 /* Reset EDCA parameters. */
1129 rtwn_write_4(sc, R92C_EDCA_VO_PARAM, 0x002f3217);
1130 rtwn_write_4(sc, R92C_EDCA_VI_PARAM, 0x005e4317);
1131 rtwn_write_4(sc, R92C_EDCA_BE_PARAM, 0x00105320);
1132 rtwn_write_4(sc, R92C_EDCA_BK_PARAM, 0x0000a444);
1134 if (sc->vaps_running == 0) {
1135 /* Turn link LED off. */
1136 rtwn_set_led(sc, RTWN_LED_LINK, 0);
1143 case IEEE80211_S_SCAN:
1144 /* Pause AC Tx queues. */
1145 if (sc->vaps_running == 0)
1146 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_AC);
1148 case IEEE80211_S_RUN:
1149 error = rtwn_run(sc, vap);
1151 device_printf(sc->sc_dev,
1152 "%s: could not move to RUN state\n", __func__);
1158 case IEEE80211_S_CSA:
1159 /* Block all Tx queues (except beacon queue). */
1160 rtwn_setbits_1(sc, R92C_TXPAUSE, 0,
1161 R92C_TX_QUEUE_AC | R92C_TX_QUEUE_MGT | R92C_TX_QUEUE_HIGH);
1172 return (early_newstate ? 0 : uvp->newstate(vap, nstate, arg));
1176 rtwn_calc_basicrates(struct rtwn_softc *sc)
1178 struct ieee80211com *ic = &sc->sc_ic;
1179 uint32_t basicrates;
1182 RTWN_ASSERT_LOCKED(sc);
1184 if (ic->ic_flags & IEEE80211_F_SCAN)
1185 return; /* will be done by rtwn_scan_end(). */
1188 for (i = 0; i < nitems(sc->vaps); i++) {
1189 struct rtwn_vap *rvp;
1190 struct ieee80211vap *vap;
1191 struct ieee80211_node *ni;
1195 if (rvp == NULL || rvp->curr_mode == R92C_MSR_NOLINK)
1199 if (vap->iv_bss == NULL)
1202 ni = ieee80211_ref_node(vap->iv_bss);
1203 rtwn_get_rates(sc, &ni->ni_rates, NULL, &rates, NULL, 1);
1204 basicrates |= rates;
1205 ieee80211_free_node(ni);
1208 if (basicrates == 0)
1211 /* XXX initial RTS rate? */
1212 rtwn_set_basicrates(sc, basicrates);
1216 rtwn_run(struct rtwn_softc *sc, struct ieee80211vap *vap)
1218 struct ieee80211com *ic = vap->iv_ic;
1219 struct rtwn_vap *uvp = RTWN_VAP(vap);
1220 struct ieee80211_node *ni;
1224 RTWN_ASSERT_LOCKED(sc);
1227 ni = ieee80211_ref_node(vap->iv_bss);
1229 if (ic->ic_bsschan == IEEE80211_CHAN_ANYC ||
1230 ni->ni_chan == IEEE80211_CHAN_ANYC) {
1235 switch (vap->iv_opmode) {
1236 case IEEE80211_M_STA:
1237 mode = R92C_MSR_INFRA;
1239 case IEEE80211_M_IBSS:
1240 mode = R92C_MSR_ADHOC;
1242 case IEEE80211_M_HOSTAP:
1246 KASSERT(0, ("undefined opmode %d\n", vap->iv_opmode));
1251 /* Set media status to 'Associated'. */
1252 rtwn_set_mode(sc, mode, uvp->id);
1255 /* XXX multi-vap? */
1256 rtwn_write_2(sc, R92C_BCN_PSR_RPT,
1257 0xc000 | IEEE80211_NODE_AID(ni));
1260 rtwn_set_bssid(sc, ni->ni_bssid, uvp->id);
1262 /* Set beacon interval. */
1263 rtwn_write_2(sc, R92C_BCN_INTERVAL(uvp->id), ni->ni_intval);
1265 if (sc->vaps_running == sc->monvaps_running) {
1266 /* Enable Rx of data frames. */
1267 rtwn_write_2(sc, R92C_RXFLTMAP2, 0xffff);
1269 /* Flush all AC queues. */
1270 rtwn_write_1(sc, R92C_TXPAUSE, 0);
1273 #ifndef RTWN_WITHOUT_UCODE
1274 /* Upload (QoS) Null Data frame to firmware. */
1275 /* Note: do this for port 0 only. */
1276 if ((ic->ic_caps & IEEE80211_C_PMGT) != 0 &&
1277 vap->iv_opmode == IEEE80211_M_STA && uvp->id == 0) {
1278 error = rtwn_tx_fwpkt_check(sc, vap);
1282 /* Setup power management. */
1284 * NB: it will be enabled immediately - delay it,
1285 * so 4-Way handshake will not be interrupted.
1287 callout_reset(&sc->sc_pwrmode_init, 5*hz,
1288 rtwn_pwrmode_init, sc);
1292 /* Enable TSF synchronization. */
1293 rtwn_tsf_sync_enable(sc, vap);
1295 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1296 vap->iv_opmode == IEEE80211_M_IBSS) {
1297 error = rtwn_setup_beacon(sc, ni);
1299 device_printf(sc->sc_dev,
1300 "unable to push beacon into the chip, "
1301 "error %d\n", error);
1306 /* Set ACK preamble type. */
1307 rtwn_set_ack_preamble(sc);
1309 /* Set basic rates mask. */
1310 rtwn_calc_basicrates(sc);
1313 rtwn_write_1(sc, R92C_SIFS_CCK + 1, 10);
1314 rtwn_write_1(sc, R92C_SIFS_OFDM + 1, 10);
1315 rtwn_write_1(sc, R92C_SPEC_SIFS + 1, 10);
1316 rtwn_write_1(sc, R92C_MAC_SPEC_SIFS + 1, 10);
1317 rtwn_write_1(sc, R92C_R2T_SIFS + 1, 10);
1318 rtwn_write_1(sc, R92C_T2T_SIFS + 1, 10);
1321 if (sc->vaps_running == sc->monvaps_running) {
1322 /* Reset temperature calibration state machine. */
1323 sc->sc_flags &= ~RTWN_TEMP_MEASURED;
1324 sc->thcal_temp = sc->thermal_meter;
1326 /* Start periodic calibration. */
1327 callout_reset(&sc->sc_calib_to, 2*hz, rtwn_calib_to,
1330 if (sc->vaps_running == 0) {
1331 /* Turn link LED on. */
1332 rtwn_set_led(sc, RTWN_LED_LINK, 1);
1337 ieee80211_free_node(ni);
1344 rtwn_watchdog(void *arg)
1346 struct rtwn_softc *sc = arg;
1347 struct ieee80211com *ic = &sc->sc_ic;
1349 RTWN_ASSERT_LOCKED(sc);
1351 KASSERT(sc->sc_flags & RTWN_RUNNING, ("not running"));
1353 if (sc->sc_tx_timer != 0 && --sc->sc_tx_timer == 0) {
1354 ic_printf(ic, "device timeout\n");
1355 ieee80211_restart_all(ic);
1358 callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc);
1363 rtwn_parent(struct ieee80211com *ic)
1365 struct rtwn_softc *sc = ic->ic_softc;
1366 struct ieee80211vap *vap;
1368 if (ic->ic_nrunning > 0) {
1369 if (rtwn_init(sc) != 0) {
1371 TAILQ_FOREACH(vap, &ic->ic_vaps, iv_next)
1372 ieee80211_stop_locked(vap);
1373 IEEE80211_UNLOCK(ic);
1375 ieee80211_start_all(ic);
1381 rtwn_dma_init(struct rtwn_softc *sc)
1383 #define RTWN_CHK(res) do { \
1388 uint8_t tx_boundary;
1391 /* Initialize LLT table. */
1392 error = rtwn_llt_init(sc);
1396 /* Set the number of pages for each queue. */
1397 RTWN_DPRINTF(sc, RTWN_DEBUG_RESET,
1398 "%s: pages per queue: high %d, normal %d, low %d, public %d\n",
1399 __func__, sc->nhqpages, sc->nnqpages, sc->nlqpages,
1402 RTWN_CHK(rtwn_write_1(sc, R92C_RQPN_NPQ, sc->nnqpages));
1403 RTWN_CHK(rtwn_write_4(sc, R92C_RQPN,
1404 /* Set number of pages for public queue. */
1405 SM(R92C_RQPN_PUBQ, sc->npubqpages) |
1406 /* Set number of pages for high priority queue. */
1407 SM(R92C_RQPN_HPQ, sc->nhqpages) |
1408 /* Set number of pages for low priority queue. */
1409 SM(R92C_RQPN_LPQ, sc->nlqpages) |
1413 /* Initialize TX buffer boundary. */
1414 KASSERT(sc->page_count < 255 && sc->page_count > 0,
1415 ("page_count is %d\n", sc->page_count));
1416 tx_boundary = sc->page_count + 1;
1417 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_BCNQ_BDNY, tx_boundary));
1418 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_MGQ_BDNY, tx_boundary));
1419 RTWN_CHK(rtwn_write_1(sc, R92C_TXPKTBUF_WMAC_LBK_BF_HD, tx_boundary));
1420 RTWN_CHK(rtwn_write_1(sc, R92C_TRXFF_BNDY, tx_boundary));
1421 RTWN_CHK(rtwn_write_1(sc, R92C_TDECTRL + 1, tx_boundary));
1423 error = rtwn_init_bcnq1_boundary(sc);
1427 /* Set queue to USB pipe mapping. */
1428 /* Note: PCIe devices are using some magic number here. */
1429 reg = rtwn_get_qmap(sc);
1430 RTWN_CHK(rtwn_setbits_2(sc, R92C_TRXDMA_CTRL,
1431 R92C_TRXDMA_CTRL_QMAP_M, reg));
1433 /* Configure Tx/Rx DMA (PCIe). */
1434 rtwn_set_desc_addr(sc);
1436 /* Set Tx/Rx transfer page boundary. */
1437 RTWN_CHK(rtwn_write_2(sc, R92C_TRXFF_BNDY + 2,
1438 sc->rx_dma_size - 1));
1440 /* Set Tx/Rx transfer page size. */
1441 rtwn_set_page_size(sc);
1447 rtwn_mac_init(struct rtwn_softc *sc)
1451 /* Write MAC initialization values. */
1452 for (i = 0; i < sc->mac_size; i++) {
1453 error = rtwn_write_1(sc, sc->mac_prog[i].reg,
1454 sc->mac_prog[i].val);
1463 rtwn_mrr_init(struct rtwn_softc *sc)
1467 /* Drop rate index by 1 per retry. */
1468 for (i = 0; i < R92C_DARFRC_SIZE; i++) {
1469 rtwn_write_1(sc, R92C_DARFRC + i, i + 1);
1470 rtwn_write_1(sc, R92C_RARFRC + i, i + 1);
1475 rtwn_scan_start(struct ieee80211com *ic)
1477 struct rtwn_softc *sc = ic->ic_softc;
1480 /* Pause beaconing. */
1481 rtwn_setbits_1(sc, R92C_TXPAUSE, 0, R92C_TX_QUEUE_BCN);
1482 /* Receive beacons / probe responses from any BSSID. */
1483 if (sc->bcn_vaps == 0)
1484 rtwn_set_rx_bssid_all(sc, 1);
1489 rtwn_scan_curchan(struct ieee80211_scan_state *ss, unsigned long maxdwell)
1491 struct rtwn_softc *sc = ss->ss_ic->ic_softc;
1493 /* Make link LED blink during scan. */
1495 rtwn_set_led(sc, RTWN_LED_LINK, !sc->ledlink);
1498 sc->sc_scan_curchan(ss, maxdwell);
1502 rtwn_scan_end(struct ieee80211com *ic)
1504 struct rtwn_softc *sc = ic->ic_softc;
1507 /* Restore limitations. */
1508 if (ic->ic_promisc == 0 && sc->bcn_vaps == 0)
1509 rtwn_set_rx_bssid_all(sc, 0);
1511 /* Restore LED state. */
1512 rtwn_set_led(sc, RTWN_LED_LINK, (sc->vaps_running != 0));
1514 /* Restore basic rates mask. */
1515 rtwn_calc_basicrates(sc);
1517 /* Resume beaconing. */
1518 rtwn_setbits_1(sc, R92C_TXPAUSE, R92C_TX_QUEUE_BCN, 0);
1523 rtwn_getradiocaps(struct ieee80211com *ic,
1524 int maxchans, int *nchans, struct ieee80211_channel chans[])
1526 struct rtwn_softc *sc = ic->ic_softc;
1527 uint8_t bands[IEEE80211_MODE_BYTES];
1530 memset(bands, 0, sizeof(bands));
1531 setbit(bands, IEEE80211_MODE_11B);
1532 setbit(bands, IEEE80211_MODE_11G);
1533 setbit(bands, IEEE80211_MODE_11NG);
1534 ieee80211_add_channels_default_2ghz(chans, maxchans, nchans,
1535 bands, !!(ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40));
1537 /* XXX workaround add_channel_list() limitations */
1538 setbit(bands, IEEE80211_MODE_11A);
1539 setbit(bands, IEEE80211_MODE_11NA);
1540 for (i = 0; i < nitems(sc->chan_num_5ghz); i++) {
1541 if (sc->chan_num_5ghz[i] == 0)
1544 ieee80211_add_channel_list_5ghz(chans, maxchans, nchans,
1545 sc->chan_list_5ghz[i], sc->chan_num_5ghz[i], bands,
1546 !!(ic->ic_htcaps & IEEE80211_HTCAP_CHWIDTH40));
1551 rtwn_update_chw(struct ieee80211com *ic)
1556 rtwn_set_channel(struct ieee80211com *ic)
1558 struct rtwn_softc *sc = ic->ic_softc;
1559 struct ieee80211_channel *c = ic->ic_curchan;
1562 rtwn_set_chan(sc, c);
1567 rtwn_wme_update(struct ieee80211com *ic)
1569 struct chanAccParams chp;
1570 struct ieee80211_channel *c = ic->ic_curchan;
1571 struct rtwn_softc *sc = ic->ic_softc;
1572 struct wmeParams *wmep = sc->cap_wmeParams;
1573 uint8_t aifs, acm, slottime;
1576 ieee80211_wme_ic_getparams(ic, &chp);
1578 /* Prevent possible races. */
1579 IEEE80211_LOCK(ic); /* XXX */
1581 memcpy(wmep, chp.cap_wmeParams, sizeof(sc->cap_wmeParams));
1583 IEEE80211_UNLOCK(ic);
1586 slottime = IEEE80211_GET_SLOTTIME(ic);
1589 for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) {
1590 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */
1591 aifs = wmep[ac].wmep_aifsn * slottime +
1592 (IEEE80211_IS_CHAN_5GHZ(c) ?
1593 IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS);
1594 rtwn_write_4(sc, wme2reg[ac],
1595 SM(R92C_EDCA_PARAM_TXOP, wmep[ac].wmep_txopLimit) |
1596 SM(R92C_EDCA_PARAM_ECWMIN, wmep[ac].wmep_logcwmin) |
1597 SM(R92C_EDCA_PARAM_ECWMAX, wmep[ac].wmep_logcwmax) |
1598 SM(R92C_EDCA_PARAM_AIFS, aifs));
1599 if (ac != WME_AC_BE)
1600 acm |= wmep[ac].wmep_acm << ac;
1604 acm |= R92C_ACMHWCTRL_EN;
1605 rtwn_setbits_1(sc, R92C_ACMHWCTRL, R92C_ACMHWCTRL_ACM_MASK, acm);
1612 rtwn_update_slot(struct ieee80211com *ic)
1614 rtwn_cmd_sleepable(ic->ic_softc, NULL, 0, rtwn_update_slot_cb);
1618 rtwn_update_slot_cb(struct rtwn_softc *sc, union sec_param *data)
1620 struct ieee80211com *ic = &sc->sc_ic;
1623 slottime = IEEE80211_GET_SLOTTIME(ic);
1625 RTWN_DPRINTF(sc, RTWN_DEBUG_STATE, "%s: setting slot time to %uus\n",
1626 __func__, slottime);
1628 rtwn_write_1(sc, R92C_SLOT, slottime);
1629 rtwn_update_aifs(sc, slottime);
1633 rtwn_update_aifs(struct rtwn_softc *sc, uint8_t slottime)
1635 struct ieee80211_channel *c = sc->sc_ic.ic_curchan;
1636 const struct wmeParams *wmep = sc->cap_wmeParams;
1639 for (ac = WME_AC_BE; ac < WME_NUM_AC; ac++) {
1640 /* AIFS[AC] = AIFSN[AC] * aSlotTime + aSIFSTime. */
1641 aifs = wmep[ac].wmep_aifsn * slottime +
1642 (IEEE80211_IS_CHAN_5GHZ(c) ?
1643 IEEE80211_DUR_OFDM_SIFS : IEEE80211_DUR_SIFS);
1644 rtwn_write_1(sc, wme2reg[ac], aifs);
1649 rtwn_update_promisc(struct ieee80211com *ic)
1651 struct rtwn_softc *sc = ic->ic_softc;
1654 if (sc->sc_flags & RTWN_RUNNING)
1655 rtwn_set_promisc(sc);
1660 rtwn_update_mcast(struct ieee80211com *ic)
1662 struct rtwn_softc *sc = ic->ic_softc;
1665 if (sc->sc_flags & RTWN_RUNNING)
1671 rtwn_set_bssid(struct rtwn_softc *sc, const uint8_t *bssid, int id)
1675 error = rtwn_write_4(sc, R92C_BSSID(id), le32dec(&bssid[0]));
1678 error = rtwn_write_2(sc, R92C_BSSID(id) + 4, le16dec(&bssid[4]));
1684 rtwn_set_macaddr(struct rtwn_softc *sc, const uint8_t *addr, int id)
1688 error = rtwn_write_4(sc, R92C_MACID(id), le32dec(&addr[0]));
1691 error = rtwn_write_2(sc, R92C_MACID(id) + 4, le16dec(&addr[4]));
1696 static struct ieee80211_node *
1697 rtwn_node_alloc(struct ieee80211vap *vap,
1698 const uint8_t mac[IEEE80211_ADDR_LEN])
1700 struct rtwn_node *un;
1702 un = malloc(sizeof (struct rtwn_node), M_80211_NODE,
1708 un->id = RTWN_MACID_UNDEFINED;
1715 rtwn_newassoc(struct ieee80211_node *ni, int isnew __unused)
1717 struct rtwn_softc *sc = ni->ni_ic->ic_softc;
1718 struct rtwn_node *un = RTWN_NODE(ni);
1721 if (un->id != RTWN_MACID_UNDEFINED)
1725 for (id = 0; id <= sc->macid_limit; id++) {
1726 if (id != RTWN_MACID_BC && sc->node_list[id] == NULL) {
1728 sc->node_list[id] = ni;
1734 if (id > sc->macid_limit) {
1735 device_printf(sc->sc_dev, "%s: node table is full\n",
1740 /* Notify firmware. */
1741 id |= RTWN_MACID_VALID;
1742 rtwn_cmd_sleepable(sc, &id, sizeof(id), rtwn_set_media_status);
1746 rtwn_node_free(struct ieee80211_node *ni)
1748 struct rtwn_softc *sc = ni->ni_ic->ic_softc;
1749 struct rtwn_node *un = RTWN_NODE(ni);
1752 if (un->id != RTWN_MACID_UNDEFINED) {
1753 sc->node_list[un->id] = NULL;
1754 rtwn_cmd_sleepable(sc, &un->id, sizeof(un->id),
1755 rtwn_set_media_status);
1759 sc->sc_node_free(ni);
1763 rtwn_init_beacon_reg(struct rtwn_softc *sc)
1765 rtwn_write_1(sc, R92C_BCN_CTRL(0), R92C_BCN_CTRL_DIS_TSF_UDT0);
1766 rtwn_write_1(sc, R92C_BCN_CTRL(1), R92C_BCN_CTRL_DIS_TSF_UDT0);
1767 rtwn_write_2(sc, R92C_TBTT_PROHIBIT, 0x6404);
1768 rtwn_write_1(sc, R92C_DRVERLYINT, 0x05);
1769 rtwn_write_1(sc, R92C_BCNDMATIM, 0x02);
1770 rtwn_write_2(sc, R92C_BCNTCFG, 0x660f);
1774 rtwn_init(struct rtwn_softc *sc)
1776 struct ieee80211com *ic = &sc->sc_ic;
1780 if (sc->sc_flags & RTWN_RUNNING) {
1784 sc->sc_flags |= RTWN_STARTED;
1786 /* Power on adapter. */
1787 error = rtwn_power_on(sc);
1791 #ifndef RTWN_WITHOUT_UCODE
1792 /* Load 8051 microcode. */
1793 error = rtwn_load_firmware(sc);
1795 sc->sc_flags |= RTWN_FW_LOADED;
1797 /* Init firmware commands ring. */
1801 /* Initialize MAC block. */
1802 error = rtwn_mac_init(sc);
1804 device_printf(sc->sc_dev,
1805 "%s: error while initializing MAC block\n", __func__);
1809 /* Initialize DMA. */
1810 error = rtwn_dma_init(sc);
1814 /* Drop incorrect TX (USB). */
1815 rtwn_drop_incorrect_tx(sc);
1817 /* Set info size in Rx descriptors (in 64-bit words). */
1818 rtwn_write_1(sc, R92C_RX_DRVINFO_SZ, R92C_RX_DRVINFO_SZ_DEF);
1820 /* Init interrupts. */
1823 for (i = 0; i < nitems(sc->vaps); i++) {
1824 struct rtwn_vap *uvp = sc->vaps[i];
1826 /* Set initial network type. */
1827 rtwn_set_mode(sc, R92C_MSR_NOLINK, i);
1832 /* Set MAC address. */
1833 error = rtwn_set_macaddr(sc, uvp->vap.iv_myaddr, uvp->id);
1838 /* Initialize Rx filter. */
1839 rtwn_rxfilter_init(sc);
1841 /* Set short/long retry limits. */
1842 rtwn_write_2(sc, R92C_RL,
1843 SM(R92C_RL_SRL, 0x30) | SM(R92C_RL_LRL, 0x30));
1845 /* Initialize EDCA parameters. */
1848 rtwn_setbits_1(sc, R92C_FWHW_TXQ_CTRL, 0,
1849 R92C_FWHW_TXQ_CTRL_AMPDU_RTY_NEW);
1850 /* Set ACK timeout. */
1851 rtwn_write_1(sc, R92C_ACKTO, sc->ackto);
1853 /* Setup aggregation. */
1854 /* Tx aggregation. */
1855 rtwn_init_tx_agg(sc);
1856 rtwn_init_rx_agg(sc);
1858 /* Initialize beacon parameters. */
1859 rtwn_init_beacon_reg(sc);
1861 /* Init A-MPDU parameters. */
1862 rtwn_init_ampdu(sc);
1864 /* Init MACTXEN / MACRXEN after setting RxFF boundary. */
1865 rtwn_setbits_1(sc, R92C_CR, 0, R92C_CR_MACTXEN | R92C_CR_MACRXEN);
1867 /* Initialize BB/RF blocks. */
1871 /* Initialize wireless band. */
1872 rtwn_set_chan(sc, ic->ic_curchan);
1874 /* Clear per-station keys table. */
1877 /* Enable decryption / encryption. */
1878 rtwn_init_seccfg(sc);
1880 /* Install static keys (if any). */
1881 for (i = 0; i < nitems(sc->vaps); i++) {
1882 if (sc->vaps[i] != NULL) {
1883 error = rtwn_init_static_keys(sc, sc->vaps[i]);
1889 /* Initialize antenna selection. */
1890 rtwn_init_antsel(sc);
1892 /* Enable hardware sequence numbering. */
1893 rtwn_write_1(sc, R92C_HWSEQ_CTRL, R92C_TX_QUEUE_ALL);
1896 rtwn_write_4(sc, R92C_BAR_MODE_CTRL, 0x0201ffff);
1899 rtwn_write_1(sc, R92C_NAV_UPPER, 0);
1901 /* Initialize GPIO setting. */
1902 rtwn_setbits_1(sc, R92C_GPIO_MUXCFG, R92C_GPIO_MUXCFG_ENBT, 0);
1904 /* Initialize MRR. */
1907 /* Device-specific post initialization. */
1910 rtwn_start_xfers(sc);
1913 callout_reset(&sc->sc_watchdog_to, hz, rtwn_watchdog, sc);
1916 sc->sc_flags |= RTWN_RUNNING;
1924 rtwn_stop(struct rtwn_softc *sc)
1928 if (!(sc->sc_flags & RTWN_STARTED)) {
1934 callout_stop(&sc->sc_watchdog_to);
1935 sc->sc_tx_timer = 0;
1937 sc->sc_flags &= ~(RTWN_STARTED | RTWN_RUNNING | RTWN_FW_LOADED);
1938 sc->sc_flags &= ~RTWN_TEMP_MEASURED;
1941 sc->cur_bcnq_id = RTWN_VAP_ID_INVALID;
1942 bzero(&sc->last_physt, sizeof(sc->last_physt));
1945 ieee80211_tx_watchdog_stop(&sc->sc_ic);
1948 rtwn_abort_xfers(sc);
1949 rtwn_drain_mbufq(sc);
1951 rtwn_reset_lists(sc, NULL);
1955 MODULE_VERSION(rtwn, 2);
1956 MODULE_DEPEND(rtwn, wlan, 1, 1, 1);
1957 #ifndef RTWN_WITHOUT_UCODE
1958 MODULE_DEPEND(rtwn, firmware, 1, 1, 1);