2 * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
3 * Copyright (c) 2007-2008 Marvell Semiconductor, Inc.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer,
11 * without modification.
12 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
13 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
14 * redistribution must be conditioned upon including a substantially
15 * similar Disclaimer requirement for further binary redistribution.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
21 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
22 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
23 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
26 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
28 * THE POSSIBILITY OF SUCH DAMAGES.
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
35 * Driver for the Marvell 88W8363 Wireless LAN controller.
41 #include <sys/param.h>
42 #include <sys/systm.h>
43 #include <sys/sysctl.h>
45 #include <sys/malloc.h>
47 #include <sys/mutex.h>
48 #include <sys/kernel.h>
49 #include <sys/socket.h>
50 #include <sys/sockio.h>
51 #include <sys/errno.h>
52 #include <sys/callout.h>
54 #include <sys/endian.h>
55 #include <sys/kthread.h>
56 #include <sys/taskqueue.h>
58 #include <machine/bus.h>
61 #include <net/if_dl.h>
62 #include <net/if_media.h>
63 #include <net/if_types.h>
64 #include <net/if_arp.h>
65 #include <net/ethernet.h>
66 #include <net/if_llc.h>
70 #include <net80211/ieee80211_var.h>
71 #include <net80211/ieee80211_regdomain.h>
74 #include <netinet/in.h>
75 #include <netinet/if_ether.h>
78 #include <dev/mwl/if_mwlvar.h>
79 #include <dev/mwl/mwldiag.h>
81 /* idiomatic shorthands: MS = mask+shift, SM = shift+mask */
82 #define MS(v,x) (((v) & x) >> x##_S)
83 #define SM(v,x) (((v) << x##_S) & x)
85 static struct ieee80211vap *mwl_vap_create(struct ieee80211com *,
86 const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
87 const uint8_t [IEEE80211_ADDR_LEN],
88 const uint8_t [IEEE80211_ADDR_LEN]);
89 static void mwl_vap_delete(struct ieee80211vap *);
90 static int mwl_setupdma(struct mwl_softc *);
91 static int mwl_hal_reset(struct mwl_softc *sc);
92 static int mwl_init_locked(struct mwl_softc *);
93 static void mwl_init(void *);
94 static void mwl_stop_locked(struct ifnet *, int);
95 static int mwl_reset(struct ieee80211vap *, u_long);
96 static void mwl_stop(struct ifnet *, int);
97 static void mwl_start(struct ifnet *);
98 static int mwl_raw_xmit(struct ieee80211_node *, struct mbuf *,
99 const struct ieee80211_bpf_params *);
100 static int mwl_media_change(struct ifnet *);
101 static void mwl_watchdog(void *);
102 static int mwl_ioctl(struct ifnet *, u_long, caddr_t);
103 static void mwl_radar_proc(void *, int);
104 static void mwl_chanswitch_proc(void *, int);
105 static void mwl_bawatchdog_proc(void *, int);
106 static int mwl_key_alloc(struct ieee80211vap *,
107 struct ieee80211_key *,
108 ieee80211_keyix *, ieee80211_keyix *);
109 static int mwl_key_delete(struct ieee80211vap *,
110 const struct ieee80211_key *);
111 static int mwl_key_set(struct ieee80211vap *, const struct ieee80211_key *,
112 const uint8_t mac[IEEE80211_ADDR_LEN]);
113 static int mwl_mode_init(struct mwl_softc *);
114 static void mwl_update_mcast(struct ifnet *);
115 static void mwl_update_promisc(struct ifnet *);
116 static void mwl_updateslot(struct ifnet *);
117 static int mwl_beacon_setup(struct ieee80211vap *);
118 static void mwl_beacon_update(struct ieee80211vap *, int);
119 #ifdef MWL_HOST_PS_SUPPORT
120 static void mwl_update_ps(struct ieee80211vap *, int);
121 static int mwl_set_tim(struct ieee80211_node *, int);
123 static int mwl_dma_setup(struct mwl_softc *);
124 static void mwl_dma_cleanup(struct mwl_softc *);
125 static struct ieee80211_node *mwl_node_alloc(struct ieee80211vap *,
126 const uint8_t [IEEE80211_ADDR_LEN]);
127 static void mwl_node_cleanup(struct ieee80211_node *);
128 static void mwl_node_drain(struct ieee80211_node *);
129 static void mwl_node_getsignal(const struct ieee80211_node *,
131 static void mwl_node_getmimoinfo(const struct ieee80211_node *,
132 struct ieee80211_mimo_info *);
133 static int mwl_rxbuf_init(struct mwl_softc *, struct mwl_rxbuf *);
134 static void mwl_rx_proc(void *, int);
135 static void mwl_txq_init(struct mwl_softc *sc, struct mwl_txq *, int);
136 static int mwl_tx_setup(struct mwl_softc *, int, int);
137 static int mwl_wme_update(struct ieee80211com *);
138 static void mwl_tx_cleanupq(struct mwl_softc *, struct mwl_txq *);
139 static void mwl_tx_cleanup(struct mwl_softc *);
140 static uint16_t mwl_calcformat(uint8_t rate, const struct ieee80211_node *);
141 static int mwl_tx_start(struct mwl_softc *, struct ieee80211_node *,
142 struct mwl_txbuf *, struct mbuf *);
143 static void mwl_tx_proc(void *, int);
144 static int mwl_chan_set(struct mwl_softc *, struct ieee80211_channel *);
145 static void mwl_draintxq(struct mwl_softc *);
146 static void mwl_cleartxq(struct mwl_softc *, struct ieee80211vap *);
147 static int mwl_recv_action(struct ieee80211_node *,
148 const struct ieee80211_frame *,
149 const uint8_t *, const uint8_t *);
150 static int mwl_addba_request(struct ieee80211_node *,
151 struct ieee80211_tx_ampdu *, int dialogtoken,
152 int baparamset, int batimeout);
153 static int mwl_addba_response(struct ieee80211_node *,
154 struct ieee80211_tx_ampdu *, int status,
155 int baparamset, int batimeout);
156 static void mwl_addba_stop(struct ieee80211_node *,
157 struct ieee80211_tx_ampdu *);
158 static int mwl_startrecv(struct mwl_softc *);
159 static MWL_HAL_APMODE mwl_getapmode(const struct ieee80211vap *,
160 struct ieee80211_channel *);
161 static int mwl_setapmode(struct ieee80211vap *, struct ieee80211_channel*);
162 static void mwl_scan_start(struct ieee80211com *);
163 static void mwl_scan_end(struct ieee80211com *);
164 static void mwl_set_channel(struct ieee80211com *);
165 static int mwl_peerstadb(struct ieee80211_node *,
166 int aid, int staid, MWL_HAL_PEERINFO *pi);
167 static int mwl_localstadb(struct ieee80211vap *);
168 static int mwl_newstate(struct ieee80211vap *, enum ieee80211_state, int);
169 static int allocstaid(struct mwl_softc *sc, int aid);
170 static void delstaid(struct mwl_softc *sc, int staid);
171 static void mwl_newassoc(struct ieee80211_node *, int);
172 static void mwl_agestations(void *);
173 static int mwl_setregdomain(struct ieee80211com *,
174 struct ieee80211_regdomain *, int,
175 struct ieee80211_channel []);
176 static void mwl_getradiocaps(struct ieee80211com *, int, int *,
177 struct ieee80211_channel []);
178 static int mwl_getchannels(struct mwl_softc *);
180 static void mwl_sysctlattach(struct mwl_softc *);
181 static void mwl_announce(struct mwl_softc *);
183 SYSCTL_NODE(_hw, OID_AUTO, mwl, CTLFLAG_RD, 0, "Marvell driver parameters");
185 static int mwl_rxdesc = MWL_RXDESC; /* # rx desc's to allocate */
186 SYSCTL_INT(_hw_mwl, OID_AUTO, rxdesc, CTLFLAG_RW, &mwl_rxdesc,
187 0, "rx descriptors allocated");
188 static int mwl_rxbuf = MWL_RXBUF; /* # rx buffers to allocate */
189 SYSCTL_INT(_hw_mwl, OID_AUTO, rxbuf, CTLFLAG_RW, &mwl_rxbuf,
190 0, "rx buffers allocated");
191 TUNABLE_INT("hw.mwl.rxbuf", &mwl_rxbuf);
192 static int mwl_txbuf = MWL_TXBUF; /* # tx buffers to allocate */
193 SYSCTL_INT(_hw_mwl, OID_AUTO, txbuf, CTLFLAG_RW, &mwl_txbuf,
194 0, "tx buffers allocated");
195 TUNABLE_INT("hw.mwl.txbuf", &mwl_txbuf);
196 static int mwl_txcoalesce = 8; /* # tx packets to q before poking f/w*/
197 SYSCTL_INT(_hw_mwl, OID_AUTO, txcoalesce, CTLFLAG_RW, &mwl_txcoalesce,
198 0, "tx buffers to send at once");
199 TUNABLE_INT("hw.mwl.txcoalesce", &mwl_txcoalesce);
200 static int mwl_rxquota = MWL_RXBUF; /* # max buffers to process */
201 SYSCTL_INT(_hw_mwl, OID_AUTO, rxquota, CTLFLAG_RW, &mwl_rxquota,
202 0, "max rx buffers to process per interrupt");
203 TUNABLE_INT("hw.mwl.rxquota", &mwl_rxquota);
204 static int mwl_rxdmalow = 3; /* # min buffers for wakeup */
205 SYSCTL_INT(_hw_mwl, OID_AUTO, rxdmalow, CTLFLAG_RW, &mwl_rxdmalow,
206 0, "min free rx buffers before restarting traffic");
207 TUNABLE_INT("hw.mwl.rxdmalow", &mwl_rxdmalow);
210 static int mwl_debug = 0;
211 SYSCTL_INT(_hw_mwl, OID_AUTO, debug, CTLFLAG_RW, &mwl_debug,
212 0, "control debugging printfs");
213 TUNABLE_INT("hw.mwl.debug", &mwl_debug);
215 MWL_DEBUG_XMIT = 0x00000001, /* basic xmit operation */
216 MWL_DEBUG_XMIT_DESC = 0x00000002, /* xmit descriptors */
217 MWL_DEBUG_RECV = 0x00000004, /* basic recv operation */
218 MWL_DEBUG_RECV_DESC = 0x00000008, /* recv descriptors */
219 MWL_DEBUG_RESET = 0x00000010, /* reset processing */
220 MWL_DEBUG_BEACON = 0x00000020, /* beacon handling */
221 MWL_DEBUG_INTR = 0x00000040, /* ISR */
222 MWL_DEBUG_TX_PROC = 0x00000080, /* tx ISR proc */
223 MWL_DEBUG_RX_PROC = 0x00000100, /* rx ISR proc */
224 MWL_DEBUG_KEYCACHE = 0x00000200, /* key cache management */
225 MWL_DEBUG_STATE = 0x00000400, /* 802.11 state transitions */
226 MWL_DEBUG_NODE = 0x00000800, /* node management */
227 MWL_DEBUG_RECV_ALL = 0x00001000, /* trace all frames (beacons) */
228 MWL_DEBUG_TSO = 0x00002000, /* TSO processing */
229 MWL_DEBUG_AMPDU = 0x00004000, /* BA stream handling */
230 MWL_DEBUG_ANY = 0xffffffff
232 #define IS_BEACON(wh) \
233 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK|IEEE80211_FC0_SUBTYPE_MASK)) == \
234 (IEEE80211_FC0_TYPE_MGT|IEEE80211_FC0_SUBTYPE_BEACON))
235 #define IFF_DUMPPKTS_RECV(sc, wh) \
236 (((sc->sc_debug & MWL_DEBUG_RECV) && \
237 ((sc->sc_debug & MWL_DEBUG_RECV_ALL) || !IS_BEACON(wh))) || \
238 (sc->sc_ifp->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2))
239 #define IFF_DUMPPKTS_XMIT(sc) \
240 ((sc->sc_debug & MWL_DEBUG_XMIT) || \
241 (sc->sc_ifp->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2))
242 #define DPRINTF(sc, m, fmt, ...) do { \
243 if (sc->sc_debug & (m)) \
244 printf(fmt, __VA_ARGS__); \
246 #define KEYPRINTF(sc, hk, mac) do { \
247 if (sc->sc_debug & MWL_DEBUG_KEYCACHE) \
248 mwl_keyprint(sc, __func__, hk, mac); \
250 static void mwl_printrxbuf(const struct mwl_rxbuf *bf, u_int ix);
251 static void mwl_printtxbuf(const struct mwl_txbuf *bf, u_int qnum, u_int ix);
253 #define IFF_DUMPPKTS_RECV(sc, wh) \
254 ((sc->sc_ifp->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2))
255 #define IFF_DUMPPKTS_XMIT(sc) \
256 ((sc->sc_ifp->if_flags & (IFF_DEBUG|IFF_LINK2)) == (IFF_DEBUG|IFF_LINK2))
257 #define DPRINTF(sc, m, fmt, ...) do { \
260 #define KEYPRINTF(sc, k, mac) do { \
265 static MALLOC_DEFINE(M_MWLDEV, "mwldev", "mwl driver dma buffers");
268 * Each packet has fixed front matter: a 2-byte length
269 * of the payload, followed by a 4-address 802.11 header
270 * (regardless of the actual header and always w/o any
271 * QoS header). The payload then follows.
275 struct ieee80211_frame_addr4 wh;
279 * Read/Write shorthands for accesses to BAR 0. Note
280 * that all BAR 1 operations are done in the "hal" and
281 * there should be no reference to them here.
284 static __inline uint32_t
285 RD4(struct mwl_softc *sc, bus_size_t off)
287 return bus_space_read_4(sc->sc_io0t, sc->sc_io0h, off);
292 WR4(struct mwl_softc *sc, bus_size_t off, uint32_t val)
294 bus_space_write_4(sc->sc_io0t, sc->sc_io0h, off, val);
298 mwl_attach(uint16_t devid, struct mwl_softc *sc)
301 struct ieee80211com *ic;
305 DPRINTF(sc, MWL_DEBUG_ANY, "%s: devid 0x%x\n", __func__, devid);
307 ifp = sc->sc_ifp = if_alloc(IFT_IEEE80211);
309 device_printf(sc->sc_dev, "cannot if_alloc()\n");
314 /* set these up early for if_printf use */
315 if_initname(ifp, device_get_name(sc->sc_dev),
316 device_get_unit(sc->sc_dev));
318 mh = mwl_hal_attach(sc->sc_dev, devid,
319 sc->sc_io1h, sc->sc_io1t, sc->sc_dmat);
321 if_printf(ifp, "unable to attach HAL\n");
327 * Load firmware so we can get setup. We arbitrarily
328 * pick station firmware; we'll re-load firmware as
329 * needed so setting up the wrong mode isn't a big deal.
331 if (mwl_hal_fwload(mh, NULL) != 0) {
332 if_printf(ifp, "unable to setup builtin firmware\n");
336 if (mwl_hal_gethwspecs(mh, &sc->sc_hwspecs) != 0) {
337 if_printf(ifp, "unable to fetch h/w specs\n");
341 error = mwl_getchannels(sc);
345 sc->sc_txantenna = 0; /* h/w default */
346 sc->sc_rxantenna = 0; /* h/w default */
347 sc->sc_invalid = 0; /* ready to go, enable int handling */
348 sc->sc_ageinterval = MWL_AGEINTERVAL;
351 * Allocate tx+rx descriptors and populate the lists.
352 * We immediately push the information to the firmware
353 * as otherwise it gets upset.
355 error = mwl_dma_setup(sc);
357 if_printf(ifp, "failed to setup descriptors: %d\n", error);
360 error = mwl_setupdma(sc); /* push to firmware */
361 if (error != 0) /* NB: mwl_setupdma prints msg */
364 callout_init(&sc->sc_timer, CALLOUT_MPSAFE);
365 callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0);
367 sc->sc_tq = taskqueue_create("mwl_taskq", M_NOWAIT,
368 taskqueue_thread_enqueue, &sc->sc_tq);
369 taskqueue_start_threads(&sc->sc_tq, 1, PI_NET,
370 "%s taskq", ifp->if_xname);
372 TASK_INIT(&sc->sc_rxtask, 0, mwl_rx_proc, sc);
373 TASK_INIT(&sc->sc_radartask, 0, mwl_radar_proc, sc);
374 TASK_INIT(&sc->sc_chanswitchtask, 0, mwl_chanswitch_proc, sc);
375 TASK_INIT(&sc->sc_bawatchdogtask, 0, mwl_bawatchdog_proc, sc);
377 /* NB: insure BK queue is the lowest priority h/w queue */
378 if (!mwl_tx_setup(sc, WME_AC_BK, MWL_WME_AC_BK)) {
379 if_printf(ifp, "unable to setup xmit queue for %s traffic!\n",
380 ieee80211_wme_acnames[WME_AC_BK]);
384 if (!mwl_tx_setup(sc, WME_AC_BE, MWL_WME_AC_BE) ||
385 !mwl_tx_setup(sc, WME_AC_VI, MWL_WME_AC_VI) ||
386 !mwl_tx_setup(sc, WME_AC_VO, MWL_WME_AC_VO)) {
388 * Not enough hardware tx queues to properly do WME;
389 * just punt and assign them all to the same h/w queue.
390 * We could do a better job of this if, for example,
391 * we allocate queues when we switch from station to
394 if (sc->sc_ac2q[WME_AC_VI] != NULL)
395 mwl_tx_cleanupq(sc, sc->sc_ac2q[WME_AC_VI]);
396 if (sc->sc_ac2q[WME_AC_BE] != NULL)
397 mwl_tx_cleanupq(sc, sc->sc_ac2q[WME_AC_BE]);
398 sc->sc_ac2q[WME_AC_BE] = sc->sc_ac2q[WME_AC_BK];
399 sc->sc_ac2q[WME_AC_VI] = sc->sc_ac2q[WME_AC_BK];
400 sc->sc_ac2q[WME_AC_VO] = sc->sc_ac2q[WME_AC_BK];
402 TASK_INIT(&sc->sc_txtask, 0, mwl_tx_proc, sc);
405 ifp->if_flags = IFF_SIMPLEX | IFF_BROADCAST | IFF_MULTICAST;
406 ifp->if_start = mwl_start;
407 ifp->if_ioctl = mwl_ioctl;
408 ifp->if_init = mwl_init;
409 IFQ_SET_MAXLEN(&ifp->if_snd, ifqmaxlen);
410 ifp->if_snd.ifq_drv_maxlen = ifqmaxlen;
411 IFQ_SET_READY(&ifp->if_snd);
414 /* XXX not right but it's not used anywhere important */
415 ic->ic_phytype = IEEE80211_T_OFDM;
416 ic->ic_opmode = IEEE80211_M_STA;
418 IEEE80211_C_STA /* station mode supported */
419 | IEEE80211_C_HOSTAP /* hostap mode */
420 | IEEE80211_C_MONITOR /* monitor mode */
422 | IEEE80211_C_IBSS /* ibss, nee adhoc, mode */
423 | IEEE80211_C_AHDEMO /* adhoc demo mode */
425 | IEEE80211_C_MBSS /* mesh point link mode */
426 | IEEE80211_C_WDS /* WDS supported */
427 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
428 | IEEE80211_C_SHSLOT /* short slot time supported */
429 | IEEE80211_C_WME /* WME/WMM supported */
430 | IEEE80211_C_BURST /* xmit bursting supported */
431 | IEEE80211_C_WPA /* capable of WPA1+WPA2 */
432 | IEEE80211_C_BGSCAN /* capable of bg scanning */
433 | IEEE80211_C_TXFRAG /* handle tx frags */
434 | IEEE80211_C_TXPMGT /* capable of txpow mgt */
435 | IEEE80211_C_DFS /* DFS supported */
439 IEEE80211_HTCAP_SMPS_ENA /* SM PS mode enabled */
440 | IEEE80211_HTCAP_CHWIDTH40 /* 40MHz channel width */
441 | IEEE80211_HTCAP_SHORTGI20 /* short GI in 20MHz */
442 | IEEE80211_HTCAP_SHORTGI40 /* short GI in 40MHz */
443 | IEEE80211_HTCAP_RXSTBC_2STREAM/* 1-2 spatial streams */
444 #if MWL_AGGR_SIZE == 7935
445 | IEEE80211_HTCAP_MAXAMSDU_7935 /* max A-MSDU length */
447 | IEEE80211_HTCAP_MAXAMSDU_3839 /* max A-MSDU length */
450 | IEEE80211_HTCAP_PSMP /* PSMP supported */
451 | IEEE80211_HTCAP_40INTOLERANT /* 40MHz intolerant */
453 /* s/w capabilities */
454 | IEEE80211_HTC_HT /* HT operation */
455 | IEEE80211_HTC_AMPDU /* tx A-MPDU */
456 | IEEE80211_HTC_AMSDU /* tx A-MSDU */
457 | IEEE80211_HTC_SMPS /* SMPS available */
461 * Mark h/w crypto support.
462 * XXX no way to query h/w support.
464 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP
465 | IEEE80211_CRYPTO_AES_CCM
466 | IEEE80211_CRYPTO_TKIP
467 | IEEE80211_CRYPTO_TKIPMIC
470 * Transmit requires space in the packet for a special
471 * format transmit record and optional padding between
472 * this record and the payload. Ask the net80211 layer
473 * to arrange this when encapsulating packets so we can
474 * add it efficiently.
476 ic->ic_headroom = sizeof(struct mwltxrec) -
477 sizeof(struct ieee80211_frame);
479 /* call MI attach routine. */
480 ieee80211_ifattach(ic, sc->sc_hwspecs.macAddr);
481 ic->ic_setregdomain = mwl_setregdomain;
482 ic->ic_getradiocaps = mwl_getradiocaps;
483 /* override default methods */
484 ic->ic_raw_xmit = mwl_raw_xmit;
485 ic->ic_newassoc = mwl_newassoc;
486 ic->ic_updateslot = mwl_updateslot;
487 ic->ic_update_mcast = mwl_update_mcast;
488 ic->ic_update_promisc = mwl_update_promisc;
489 ic->ic_wme.wme_update = mwl_wme_update;
491 ic->ic_node_alloc = mwl_node_alloc;
492 sc->sc_node_cleanup = ic->ic_node_cleanup;
493 ic->ic_node_cleanup = mwl_node_cleanup;
494 sc->sc_node_drain = ic->ic_node_drain;
495 ic->ic_node_drain = mwl_node_drain;
496 ic->ic_node_getsignal = mwl_node_getsignal;
497 ic->ic_node_getmimoinfo = mwl_node_getmimoinfo;
499 ic->ic_scan_start = mwl_scan_start;
500 ic->ic_scan_end = mwl_scan_end;
501 ic->ic_set_channel = mwl_set_channel;
503 sc->sc_recv_action = ic->ic_recv_action;
504 ic->ic_recv_action = mwl_recv_action;
505 sc->sc_addba_request = ic->ic_addba_request;
506 ic->ic_addba_request = mwl_addba_request;
507 sc->sc_addba_response = ic->ic_addba_response;
508 ic->ic_addba_response = mwl_addba_response;
509 sc->sc_addba_stop = ic->ic_addba_stop;
510 ic->ic_addba_stop = mwl_addba_stop;
512 ic->ic_vap_create = mwl_vap_create;
513 ic->ic_vap_delete = mwl_vap_delete;
515 ieee80211_radiotap_attach(ic,
516 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th),
517 MWL_TX_RADIOTAP_PRESENT,
518 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th),
519 MWL_RX_RADIOTAP_PRESENT);
521 * Setup dynamic sysctl's now that country code and
522 * regdomain are available from the hal.
524 mwl_sysctlattach(sc);
527 ieee80211_announce(ic);
541 mwl_detach(struct mwl_softc *sc)
543 struct ifnet *ifp = sc->sc_ifp;
544 struct ieee80211com *ic = ifp->if_l2com;
546 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags %x\n",
547 __func__, ifp->if_flags);
551 * NB: the order of these is important:
552 * o call the 802.11 layer before detaching the hal to
553 * insure callbacks into the driver to delete global
554 * key cache entries can be handled
555 * o reclaim the tx queue data structures after calling
556 * the 802.11 layer as we'll get called back to reclaim
557 * node state and potentially want to use them
558 * o to cleanup the tx queues the hal is called, so detach
560 * Other than that, it's straightforward...
562 ieee80211_ifdetach(ic);
563 callout_drain(&sc->sc_watchdog);
566 mwl_hal_detach(sc->sc_mh);
573 * MAC address handling for multiple BSS on the same radio.
574 * The first vap uses the MAC address from the EEPROM. For
575 * subsequent vap's we set the U/L bit (bit 1) in the MAC
576 * address and use the next six bits as an index.
579 assign_address(struct mwl_softc *sc, uint8_t mac[IEEE80211_ADDR_LEN], int clone)
583 if (clone && mwl_hal_ismbsscapable(sc->sc_mh)) {
584 /* NB: we only do this if h/w supports multiple bssid */
585 for (i = 0; i < 32; i++)
586 if ((sc->sc_bssidmask & (1<<i)) == 0)
589 mac[0] |= (i << 2)|0x2;
592 sc->sc_bssidmask |= 1<<i;
598 reclaim_address(struct mwl_softc *sc, uint8_t mac[IEEE80211_ADDR_LEN])
601 if (i != 0 || --sc->sc_nbssid0 == 0)
602 sc->sc_bssidmask &= ~(1<<i);
605 static struct ieee80211vap *
606 mwl_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
607 enum ieee80211_opmode opmode, int flags,
608 const uint8_t bssid[IEEE80211_ADDR_LEN],
609 const uint8_t mac0[IEEE80211_ADDR_LEN])
611 struct ifnet *ifp = ic->ic_ifp;
612 struct mwl_softc *sc = ifp->if_softc;
613 struct mwl_hal *mh = sc->sc_mh;
614 struct ieee80211vap *vap, *apvap;
615 struct mwl_hal_vap *hvap;
617 uint8_t mac[IEEE80211_ADDR_LEN];
619 IEEE80211_ADDR_COPY(mac, mac0);
621 case IEEE80211_M_HOSTAP:
622 case IEEE80211_M_MBSS:
623 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
624 assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID);
625 hvap = mwl_hal_newvap(mh, MWL_HAL_AP, mac);
627 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
628 reclaim_address(sc, mac);
632 case IEEE80211_M_STA:
633 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
634 assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID);
635 hvap = mwl_hal_newvap(mh, MWL_HAL_STA, mac);
637 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
638 reclaim_address(sc, mac);
641 /* no h/w beacon miss support; always use s/w */
642 flags |= IEEE80211_CLONE_NOBEACONS;
644 case IEEE80211_M_WDS:
645 hvap = NULL; /* NB: we use associated AP vap */
646 if (sc->sc_napvaps == 0)
647 return NULL; /* no existing AP vap */
649 case IEEE80211_M_MONITOR:
652 case IEEE80211_M_IBSS:
653 case IEEE80211_M_AHDEMO:
658 mvp = (struct mwl_vap *) malloc(sizeof(struct mwl_vap),
659 M_80211_VAP, M_NOWAIT | M_ZERO);
662 mwl_hal_delvap(hvap);
663 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
664 reclaim_address(sc, mac);
670 if (opmode == IEEE80211_M_WDS) {
672 * WDS vaps must have an associated AP vap; find one.
675 TAILQ_FOREACH(apvap, &ic->ic_vaps, iv_next)
676 if (apvap->iv_opmode == IEEE80211_M_HOSTAP) {
677 mvp->mv_ap_hvap = MWL_VAP(apvap)->mv_hvap;
680 KASSERT(mvp->mv_ap_hvap != NULL, ("no ap vap"));
683 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid, mac);
685 IEEE80211_ADDR_COPY(vap->iv_myaddr, mac);
686 /* override with driver methods */
687 mvp->mv_newstate = vap->iv_newstate;
688 vap->iv_newstate = mwl_newstate;
689 vap->iv_max_keyix = 0; /* XXX */
690 vap->iv_key_alloc = mwl_key_alloc;
691 vap->iv_key_delete = mwl_key_delete;
692 vap->iv_key_set = mwl_key_set;
693 #ifdef MWL_HOST_PS_SUPPORT
694 if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS) {
695 vap->iv_update_ps = mwl_update_ps;
696 mvp->mv_set_tim = vap->iv_set_tim;
697 vap->iv_set_tim = mwl_set_tim;
700 vap->iv_reset = mwl_reset;
701 vap->iv_update_beacon = mwl_beacon_update;
703 /* override max aid so sta's cannot assoc when we're out of sta id's */
704 vap->iv_max_aid = MWL_MAXSTAID;
705 /* override default A-MPDU rx parameters */
706 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K;
707 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_4;
710 ieee80211_vap_attach(vap, mwl_media_change, ieee80211_media_status);
712 switch (vap->iv_opmode) {
713 case IEEE80211_M_HOSTAP:
714 case IEEE80211_M_MBSS:
715 case IEEE80211_M_STA:
717 * Setup sta db entry for local address.
720 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
721 vap->iv_opmode == IEEE80211_M_MBSS)
726 case IEEE80211_M_WDS:
733 * Setup overall operating mode.
736 ic->ic_opmode = IEEE80211_M_HOSTAP;
737 else if (sc->sc_nstavaps)
738 ic->ic_opmode = IEEE80211_M_STA;
740 ic->ic_opmode = opmode;
746 mwl_vap_delete(struct ieee80211vap *vap)
748 struct mwl_vap *mvp = MWL_VAP(vap);
749 struct ifnet *parent = vap->iv_ic->ic_ifp;
750 struct mwl_softc *sc = parent->if_softc;
751 struct mwl_hal *mh = sc->sc_mh;
752 struct mwl_hal_vap *hvap = mvp->mv_hvap;
753 enum ieee80211_opmode opmode = vap->iv_opmode;
755 /* XXX disallow ap vap delete if WDS still present */
756 if (parent->if_drv_flags & IFF_DRV_RUNNING) {
757 /* quiesce h/w while we remove the vap */
758 mwl_hal_intrset(mh, 0); /* disable interrupts */
760 ieee80211_vap_detach(vap);
762 case IEEE80211_M_HOSTAP:
763 case IEEE80211_M_MBSS:
764 case IEEE80211_M_STA:
765 KASSERT(hvap != NULL, ("no hal vap handle"));
766 (void) mwl_hal_delstation(hvap, vap->iv_myaddr);
767 mwl_hal_delvap(hvap);
768 if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS)
772 /* XXX don't do it for IEEE80211_CLONE_MACADDR */
773 reclaim_address(sc, vap->iv_myaddr);
775 case IEEE80211_M_WDS:
781 mwl_cleartxq(sc, vap);
782 free(mvp, M_80211_VAP);
783 if (parent->if_drv_flags & IFF_DRV_RUNNING)
784 mwl_hal_intrset(mh, sc->sc_imask);
788 mwl_suspend(struct mwl_softc *sc)
790 struct ifnet *ifp = sc->sc_ifp;
792 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags %x\n",
793 __func__, ifp->if_flags);
799 mwl_resume(struct mwl_softc *sc)
801 struct ifnet *ifp = sc->sc_ifp;
803 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags %x\n",
804 __func__, ifp->if_flags);
806 if (ifp->if_flags & IFF_UP)
811 mwl_shutdown(void *arg)
813 struct mwl_softc *sc = arg;
815 mwl_stop(sc->sc_ifp, 1);
819 * Interrupt handler. Most of the actual processing is deferred.
824 struct mwl_softc *sc = arg;
825 struct mwl_hal *mh = sc->sc_mh;
828 if (sc->sc_invalid) {
830 * The hardware is not ready/present, don't touch anything.
831 * Note this can happen early on if the IRQ is shared.
833 DPRINTF(sc, MWL_DEBUG_ANY, "%s: invalid; ignored\n", __func__);
837 * Figure out the reason(s) for the interrupt.
839 mwl_hal_getisr(mh, &status); /* NB: clears ISR too */
840 if (status == 0) /* must be a shared irq */
843 DPRINTF(sc, MWL_DEBUG_INTR, "%s: status 0x%x imask 0x%x\n",
844 __func__, status, sc->sc_imask);
845 if (status & MACREG_A2HRIC_BIT_RX_RDY)
846 taskqueue_enqueue(sc->sc_tq, &sc->sc_rxtask);
847 if (status & MACREG_A2HRIC_BIT_TX_DONE)
848 taskqueue_enqueue(sc->sc_tq, &sc->sc_txtask);
849 if (status & MACREG_A2HRIC_BIT_BA_WATCHDOG)
850 taskqueue_enqueue(sc->sc_tq, &sc->sc_bawatchdogtask);
851 if (status & MACREG_A2HRIC_BIT_OPC_DONE)
853 if (status & MACREG_A2HRIC_BIT_MAC_EVENT) {
856 if (status & MACREG_A2HRIC_BIT_ICV_ERROR) {
858 sc->sc_stats.mst_rx_badtkipicv++;
860 if (status & MACREG_A2HRIC_BIT_QUEUE_EMPTY) {
861 /* 11n aggregation queue is empty, re-fill */
864 if (status & MACREG_A2HRIC_BIT_QUEUE_FULL) {
867 if (status & MACREG_A2HRIC_BIT_RADAR_DETECT) {
868 /* radar detected, process event */
869 taskqueue_enqueue(sc->sc_tq, &sc->sc_radartask);
871 if (status & MACREG_A2HRIC_BIT_CHAN_SWITCH) {
872 /* DFS channel switch */
873 taskqueue_enqueue(sc->sc_tq, &sc->sc_chanswitchtask);
878 mwl_radar_proc(void *arg, int pending)
880 struct mwl_softc *sc = arg;
881 struct ifnet *ifp = sc->sc_ifp;
882 struct ieee80211com *ic = ifp->if_l2com;
884 DPRINTF(sc, MWL_DEBUG_ANY, "%s: radar detected, pending %u\n",
887 sc->sc_stats.mst_radardetect++;
888 /* XXX stop h/w BA streams? */
891 ieee80211_dfs_notify_radar(ic, ic->ic_curchan);
892 IEEE80211_UNLOCK(ic);
896 mwl_chanswitch_proc(void *arg, int pending)
898 struct mwl_softc *sc = arg;
899 struct ifnet *ifp = sc->sc_ifp;
900 struct ieee80211com *ic = ifp->if_l2com;
902 DPRINTF(sc, MWL_DEBUG_ANY, "%s: channel switch notice, pending %u\n",
906 sc->sc_csapending = 0;
907 ieee80211_csa_completeswitch(ic);
908 IEEE80211_UNLOCK(ic);
912 mwl_bawatchdog(const MWL_HAL_BASTREAM *sp)
914 struct ieee80211_node *ni = sp->data[0];
916 /* send DELBA and drop the stream */
917 ieee80211_ampdu_stop(ni, sp->data[1], IEEE80211_REASON_UNSPECIFIED);
921 mwl_bawatchdog_proc(void *arg, int pending)
923 struct mwl_softc *sc = arg;
924 struct mwl_hal *mh = sc->sc_mh;
925 const MWL_HAL_BASTREAM *sp;
928 sc->sc_stats.mst_bawatchdog++;
930 if (mwl_hal_getwatchdogbitmap(mh, &bitmap) != 0) {
931 DPRINTF(sc, MWL_DEBUG_AMPDU,
932 "%s: could not get bitmap\n", __func__);
933 sc->sc_stats.mst_bawatchdog_failed++;
936 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: bitmap 0x%x\n", __func__, bitmap);
937 if (bitmap == 0xff) {
939 /* disable all ba streams */
940 for (bitmap = 0; bitmap < 8; bitmap++) {
941 sp = mwl_hal_bastream_lookup(mh, bitmap);
948 DPRINTF(sc, MWL_DEBUG_AMPDU,
949 "%s: no BA streams found\n", __func__);
950 sc->sc_stats.mst_bawatchdog_empty++;
952 } else if (bitmap != 0xaa) {
953 /* disable a single ba stream */
954 sp = mwl_hal_bastream_lookup(mh, bitmap);
958 DPRINTF(sc, MWL_DEBUG_AMPDU,
959 "%s: no BA stream %d\n", __func__, bitmap);
960 sc->sc_stats.mst_bawatchdog_notfound++;
966 * Convert net80211 channel to a HAL channel.
969 mwl_mapchan(MWL_HAL_CHANNEL *hc, const struct ieee80211_channel *chan)
971 hc->channel = chan->ic_ieee;
973 *(uint32_t *)&hc->channelFlags = 0;
974 if (IEEE80211_IS_CHAN_2GHZ(chan))
975 hc->channelFlags.FreqBand = MWL_FREQ_BAND_2DOT4GHZ;
976 else if (IEEE80211_IS_CHAN_5GHZ(chan))
977 hc->channelFlags.FreqBand = MWL_FREQ_BAND_5GHZ;
978 if (IEEE80211_IS_CHAN_HT40(chan)) {
979 hc->channelFlags.ChnlWidth = MWL_CH_40_MHz_WIDTH;
980 if (IEEE80211_IS_CHAN_HT40U(chan))
981 hc->channelFlags.ExtChnlOffset = MWL_EXT_CH_ABOVE_CTRL_CH;
983 hc->channelFlags.ExtChnlOffset = MWL_EXT_CH_BELOW_CTRL_CH;
985 hc->channelFlags.ChnlWidth = MWL_CH_20_MHz_WIDTH;
986 /* XXX 10MHz channels */
990 * Inform firmware of our tx/rx dma setup. The BAR 0
991 * writes below are for compatibility with older firmware.
992 * For current firmware we send this information with a
993 * cmd block via mwl_hal_sethwdma.
996 mwl_setupdma(struct mwl_softc *sc)
1000 sc->sc_hwdma.rxDescRead = sc->sc_rxdma.dd_desc_paddr;
1001 WR4(sc, sc->sc_hwspecs.rxDescRead, sc->sc_hwdma.rxDescRead);
1002 WR4(sc, sc->sc_hwspecs.rxDescWrite, sc->sc_hwdma.rxDescRead);
1004 for (i = 0; i < MWL_NUM_TX_QUEUES-MWL_NUM_ACK_QUEUES; i++) {
1005 struct mwl_txq *txq = &sc->sc_txq[i];
1006 sc->sc_hwdma.wcbBase[i] = txq->dma.dd_desc_paddr;
1007 WR4(sc, sc->sc_hwspecs.wcbBase[i], sc->sc_hwdma.wcbBase[i]);
1009 sc->sc_hwdma.maxNumTxWcb = mwl_txbuf;
1010 sc->sc_hwdma.maxNumWCB = MWL_NUM_TX_QUEUES-MWL_NUM_ACK_QUEUES;
1012 error = mwl_hal_sethwdma(sc->sc_mh, &sc->sc_hwdma);
1014 device_printf(sc->sc_dev,
1015 "unable to setup tx/rx dma; hal status %u\n", error);
1022 * Inform firmware of tx rate parameters.
1023 * Called after a channel change.
1026 mwl_setcurchanrates(struct mwl_softc *sc)
1028 struct ifnet *ifp = sc->sc_ifp;
1029 struct ieee80211com *ic = ifp->if_l2com;
1030 const struct ieee80211_rateset *rs;
1031 MWL_HAL_TXRATE rates;
1033 memset(&rates, 0, sizeof(rates));
1034 rs = ieee80211_get_suprates(ic, ic->ic_curchan);
1035 /* rate used to send management frames */
1036 rates.MgtRate = rs->rs_rates[0] & IEEE80211_RATE_VAL;
1037 /* rate used to send multicast frames */
1038 rates.McastRate = rates.MgtRate;
1040 return mwl_hal_settxrate_auto(sc->sc_mh, &rates);
1044 * Inform firmware of tx rate parameters. Called whenever
1045 * user-settable params change and after a channel change.
1048 mwl_setrates(struct ieee80211vap *vap)
1050 struct mwl_vap *mvp = MWL_VAP(vap);
1051 struct ieee80211_node *ni = vap->iv_bss;
1052 const struct ieee80211_txparam *tp = ni->ni_txparms;
1053 MWL_HAL_TXRATE rates;
1055 KASSERT(vap->iv_state == IEEE80211_S_RUN, ("state %d", vap->iv_state));
1058 * Update the h/w rate map.
1059 * NB: 0x80 for MCS is passed through unchanged
1061 memset(&rates, 0, sizeof(rates));
1062 /* rate used to send management frames */
1063 rates.MgtRate = tp->mgmtrate;
1064 /* rate used to send multicast frames */
1065 rates.McastRate = tp->mcastrate;
1067 /* while here calculate EAPOL fixed rate cookie */
1068 mvp->mv_eapolformat = htole16(mwl_calcformat(rates.MgtRate, ni));
1070 return mwl_hal_settxrate(mvp->mv_hvap,
1071 tp->ucastrate != IEEE80211_FIXED_RATE_NONE ?
1072 RATE_FIXED : RATE_AUTO, &rates);
1076 * Setup a fixed xmit rate cookie for EAPOL frames.
1079 mwl_seteapolformat(struct ieee80211vap *vap)
1081 struct mwl_vap *mvp = MWL_VAP(vap);
1082 struct ieee80211_node *ni = vap->iv_bss;
1083 enum ieee80211_phymode mode;
1086 KASSERT(vap->iv_state == IEEE80211_S_RUN, ("state %d", vap->iv_state));
1088 mode = ieee80211_chan2mode(ni->ni_chan);
1090 * Use legacy rates when operating a mixed HT+non-HT bss.
1091 * NB: this may violate POLA for sta and wds vap's.
1093 if (mode == IEEE80211_MODE_11NA &&
1094 (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0)
1095 rate = vap->iv_txparms[IEEE80211_MODE_11A].mgmtrate;
1096 else if (mode == IEEE80211_MODE_11NG &&
1097 (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0)
1098 rate = vap->iv_txparms[IEEE80211_MODE_11G].mgmtrate;
1100 rate = vap->iv_txparms[mode].mgmtrate;
1102 mvp->mv_eapolformat = htole16(mwl_calcformat(rate, ni));
1106 * Map SKU+country code to region code for radar bin'ing.
1109 mwl_map2regioncode(const struct ieee80211_regdomain *rd)
1111 switch (rd->regdomain) {
1114 return DOMAIN_CODE_FCC;
1116 return DOMAIN_CODE_IC;
1120 if (rd->country == CTRY_SPAIN)
1121 return DOMAIN_CODE_SPAIN;
1122 if (rd->country == CTRY_FRANCE || rd->country == CTRY_FRANCE2)
1123 return DOMAIN_CODE_FRANCE;
1124 /* XXX force 1.3.1 radar type */
1125 return DOMAIN_CODE_ETSI_131;
1127 return DOMAIN_CODE_MKK;
1129 return DOMAIN_CODE_DGT; /* Taiwan */
1133 return DOMAIN_CODE_AUS; /* Australia */
1136 return DOMAIN_CODE_FCC; /* XXX? */
1140 mwl_hal_reset(struct mwl_softc *sc)
1142 struct ifnet *ifp = sc->sc_ifp;
1143 struct ieee80211com *ic = ifp->if_l2com;
1144 struct mwl_hal *mh = sc->sc_mh;
1146 mwl_hal_setantenna(mh, WL_ANTENNATYPE_RX, sc->sc_rxantenna);
1147 mwl_hal_setantenna(mh, WL_ANTENNATYPE_TX, sc->sc_txantenna);
1148 mwl_hal_setradio(mh, 1, WL_AUTO_PREAMBLE);
1149 mwl_hal_setwmm(sc->sc_mh, (ic->ic_flags & IEEE80211_F_WME) != 0);
1150 mwl_chan_set(sc, ic->ic_curchan);
1151 /* NB: RF/RA performance tuned for indoor mode */
1152 mwl_hal_setrateadaptmode(mh, 0);
1153 mwl_hal_setoptimizationlevel(mh,
1154 (ic->ic_flags & IEEE80211_F_BURST) != 0);
1156 mwl_hal_setregioncode(mh, mwl_map2regioncode(&ic->ic_regdomain));
1158 mwl_hal_setaggampduratemode(mh, 1, 80); /* XXX */
1159 mwl_hal_setcfend(mh, 0); /* XXX */
1165 mwl_init_locked(struct mwl_softc *sc)
1167 struct ifnet *ifp = sc->sc_ifp;
1168 struct mwl_hal *mh = sc->sc_mh;
1171 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags 0x%x\n",
1172 __func__, ifp->if_flags);
1174 MWL_LOCK_ASSERT(sc);
1177 * Stop anything previously setup. This is safe
1178 * whether this is the first time through or not.
1180 mwl_stop_locked(ifp, 0);
1183 * Push vap-independent state to the firmware.
1185 if (!mwl_hal_reset(sc)) {
1186 if_printf(ifp, "unable to reset hardware\n");
1191 * Setup recv (once); transmit is already good to go.
1193 error = mwl_startrecv(sc);
1195 if_printf(ifp, "unable to start recv logic\n");
1200 * Enable interrupts.
1202 sc->sc_imask = MACREG_A2HRIC_BIT_RX_RDY
1203 | MACREG_A2HRIC_BIT_TX_DONE
1204 | MACREG_A2HRIC_BIT_OPC_DONE
1206 | MACREG_A2HRIC_BIT_MAC_EVENT
1208 | MACREG_A2HRIC_BIT_ICV_ERROR
1209 | MACREG_A2HRIC_BIT_RADAR_DETECT
1210 | MACREG_A2HRIC_BIT_CHAN_SWITCH
1212 | MACREG_A2HRIC_BIT_QUEUE_EMPTY
1214 | MACREG_A2HRIC_BIT_BA_WATCHDOG
1215 | MACREQ_A2HRIC_BIT_TX_ACK
1218 ifp->if_drv_flags |= IFF_DRV_RUNNING;
1219 mwl_hal_intrset(mh, sc->sc_imask);
1220 callout_reset(&sc->sc_watchdog, hz, mwl_watchdog, sc);
1228 struct mwl_softc *sc = arg;
1229 struct ifnet *ifp = sc->sc_ifp;
1230 struct ieee80211com *ic = ifp->if_l2com;
1233 DPRINTF(sc, MWL_DEBUG_ANY, "%s: if_flags 0x%x\n",
1234 __func__, ifp->if_flags);
1237 error = mwl_init_locked(sc);
1241 ieee80211_start_all(ic); /* start all vap's */
1245 mwl_stop_locked(struct ifnet *ifp, int disable)
1247 struct mwl_softc *sc = ifp->if_softc;
1249 DPRINTF(sc, MWL_DEBUG_ANY, "%s: invalid %u if_flags 0x%x\n",
1250 __func__, sc->sc_invalid, ifp->if_flags);
1252 MWL_LOCK_ASSERT(sc);
1253 if (ifp->if_drv_flags & IFF_DRV_RUNNING) {
1255 * Shutdown the hardware and driver.
1257 ifp->if_drv_flags &= ~IFF_DRV_RUNNING;
1258 callout_stop(&sc->sc_watchdog);
1259 sc->sc_tx_timer = 0;
1265 mwl_stop(struct ifnet *ifp, int disable)
1267 struct mwl_softc *sc = ifp->if_softc;
1270 mwl_stop_locked(ifp, disable);
1275 mwl_reset_vap(struct ieee80211vap *vap, int state)
1277 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1278 struct ieee80211com *ic = vap->iv_ic;
1280 if (state == IEEE80211_S_RUN)
1283 mwl_hal_setrtsthreshold(hvap, vap->iv_rtsthreshold);
1284 /* XXX auto? 20/40 split? */
1285 mwl_hal_sethtgi(hvap, (vap->iv_flags_ht &
1286 (IEEE80211_FHT_SHORTGI20|IEEE80211_FHT_SHORTGI40)) ? 1 : 0);
1287 mwl_hal_setnprot(hvap, ic->ic_htprotmode == IEEE80211_PROT_NONE ?
1288 HTPROTECT_NONE : HTPROTECT_AUTO);
1289 /* XXX txpower cap */
1291 /* re-setup beacons */
1292 if (state == IEEE80211_S_RUN &&
1293 (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1294 vap->iv_opmode == IEEE80211_M_MBSS ||
1295 vap->iv_opmode == IEEE80211_M_IBSS)) {
1296 mwl_setapmode(vap, vap->iv_bss->ni_chan);
1297 mwl_hal_setnprotmode(hvap,
1298 MS(ic->ic_curhtprotmode, IEEE80211_HTINFO_OPMODE));
1299 return mwl_beacon_setup(vap);
1305 * Reset the hardware w/o losing operational state.
1306 * Used to to reset or reload hardware state for a vap.
1309 mwl_reset(struct ieee80211vap *vap, u_long cmd)
1311 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1314 if (hvap != NULL) { /* WDS, MONITOR, etc. */
1315 struct ieee80211com *ic = vap->iv_ic;
1316 struct ifnet *ifp = ic->ic_ifp;
1317 struct mwl_softc *sc = ifp->if_softc;
1318 struct mwl_hal *mh = sc->sc_mh;
1320 /* XXX handle DWDS sta vap change */
1321 /* XXX do we need to disable interrupts? */
1322 mwl_hal_intrset(mh, 0); /* disable interrupts */
1323 error = mwl_reset_vap(vap, vap->iv_state);
1324 mwl_hal_intrset(mh, sc->sc_imask);
1330 * Allocate a tx buffer for sending a frame. The
1331 * packet is assumed to have the WME AC stored so
1332 * we can use it to select the appropriate h/w queue.
1334 static struct mwl_txbuf *
1335 mwl_gettxbuf(struct mwl_softc *sc, struct mwl_txq *txq)
1337 struct mwl_txbuf *bf;
1340 * Grab a TX buffer and associated resources.
1343 bf = STAILQ_FIRST(&txq->free);
1345 STAILQ_REMOVE_HEAD(&txq->free, bf_list);
1348 MWL_TXQ_UNLOCK(txq);
1350 DPRINTF(sc, MWL_DEBUG_XMIT,
1351 "%s: out of xmit buffers on q %d\n", __func__, txq->qnum);
1356 * Return a tx buffer to the queue it came from. Note there
1357 * are two cases because we must preserve the order of buffers
1358 * as it reflects the fixed order of descriptors in memory
1359 * (the firmware pre-fetches descriptors so we cannot reorder).
1362 mwl_puttxbuf_head(struct mwl_txq *txq, struct mwl_txbuf *bf)
1367 STAILQ_INSERT_HEAD(&txq->free, bf, bf_list);
1369 MWL_TXQ_UNLOCK(txq);
1373 mwl_puttxbuf_tail(struct mwl_txq *txq, struct mwl_txbuf *bf)
1378 STAILQ_INSERT_TAIL(&txq->free, bf, bf_list);
1380 MWL_TXQ_UNLOCK(txq);
1384 mwl_start(struct ifnet *ifp)
1386 struct mwl_softc *sc = ifp->if_softc;
1387 struct ieee80211_node *ni;
1388 struct mwl_txbuf *bf;
1390 struct mwl_txq *txq = NULL; /* XXX silence gcc */
1393 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || sc->sc_invalid)
1398 IFQ_DEQUEUE(&ifp->if_snd, m);
1402 * Grab the node for the destination.
1404 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1405 KASSERT(ni != NULL, ("no node"));
1406 m->m_pkthdr.rcvif = NULL; /* committed, clear ref */
1408 * Grab a TX buffer and associated resources.
1409 * We honor the classification by the 802.11 layer.
1411 txq = sc->sc_ac2q[M_WME_GETAC(m)];
1412 bf = mwl_gettxbuf(sc, txq);
1415 ieee80211_free_node(ni);
1416 #ifdef MWL_TX_NODROP
1417 sc->sc_stats.mst_tx_qstop++;
1418 /* XXX blocks other traffic */
1419 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1422 DPRINTF(sc, MWL_DEBUG_XMIT,
1423 "%s: tail drop on q %d\n", __func__, txq->qnum);
1424 sc->sc_stats.mst_tx_qdrop++;
1426 #endif /* MWL_TX_NODROP */
1430 * Pass the frame to the h/w for transmission.
1432 if (mwl_tx_start(sc, ni, bf, m)) {
1434 mwl_puttxbuf_head(txq, bf);
1435 ieee80211_free_node(ni);
1439 if (nqueued >= mwl_txcoalesce) {
1441 * Poke the firmware to process queued frames;
1442 * see below about (lack of) locking.
1445 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/);
1450 * NB: We don't need to lock against tx done because
1451 * this just prods the firmware to check the transmit
1452 * descriptors. The firmware will also start fetching
1453 * descriptors by itself if it notices new ones are
1454 * present when it goes to deliver a tx done interrupt
1455 * to the host. So if we race with tx done processing
1456 * it's ok. Delivering the kick here rather than in
1457 * mwl_tx_start is an optimization to avoid poking the
1458 * firmware for each packet.
1460 * NB: the queue id isn't used so 0 is ok.
1462 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/);
1467 mwl_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
1468 const struct ieee80211_bpf_params *params)
1470 struct ieee80211com *ic = ni->ni_ic;
1471 struct ifnet *ifp = ic->ic_ifp;
1472 struct mwl_softc *sc = ifp->if_softc;
1473 struct mwl_txbuf *bf;
1474 struct mwl_txq *txq;
1476 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0 || sc->sc_invalid) {
1477 ieee80211_free_node(ni);
1482 * Grab a TX buffer and associated resources.
1483 * Note that we depend on the classification
1484 * by the 802.11 layer to get to the right h/w
1485 * queue. Management frames must ALWAYS go on
1486 * queue 1 but we cannot just force that here
1487 * because we may receive non-mgt frames.
1489 txq = sc->sc_ac2q[M_WME_GETAC(m)];
1490 bf = mwl_gettxbuf(sc, txq);
1492 sc->sc_stats.mst_tx_qstop++;
1493 /* XXX blocks other traffic */
1494 ifp->if_drv_flags |= IFF_DRV_OACTIVE;
1495 ieee80211_free_node(ni);
1500 * Pass the frame to the h/w for transmission.
1502 if (mwl_tx_start(sc, ni, bf, m)) {
1504 mwl_puttxbuf_head(txq, bf);
1506 ieee80211_free_node(ni);
1507 return EIO; /* XXX */
1510 * NB: We don't need to lock against tx done because
1511 * this just prods the firmware to check the transmit
1512 * descriptors. The firmware will also start fetching
1513 * descriptors by itself if it notices new ones are
1514 * present when it goes to deliver a tx done interrupt
1515 * to the host. So if we race with tx done processing
1516 * it's ok. Delivering the kick here rather than in
1517 * mwl_tx_start is an optimization to avoid poking the
1518 * firmware for each packet.
1520 * NB: the queue id isn't used so 0 is ok.
1522 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/);
1527 mwl_media_change(struct ifnet *ifp)
1529 struct ieee80211vap *vap = ifp->if_softc;
1532 error = ieee80211_media_change(ifp);
1533 /* NB: only the fixed rate can change and that doesn't need a reset */
1534 if (error == ENETRESET) {
1543 mwl_keyprint(struct mwl_softc *sc, const char *tag,
1544 const MWL_HAL_KEYVAL *hk, const uint8_t mac[IEEE80211_ADDR_LEN])
1546 static const char *ciphers[] = {
1553 printf("%s: [%u] %-7s", tag, hk->keyIndex, ciphers[hk->keyTypeId]);
1554 for (i = 0, n = hk->keyLen; i < n; i++)
1555 printf(" %02x", hk->key.aes[i]);
1556 printf(" mac %s", ether_sprintf(mac));
1557 if (hk->keyTypeId == KEY_TYPE_ID_TKIP) {
1558 printf(" %s", "rxmic");
1559 for (i = 0; i < sizeof(hk->key.tkip.rxMic); i++)
1560 printf(" %02x", hk->key.tkip.rxMic[i]);
1562 for (i = 0; i < sizeof(hk->key.tkip.txMic); i++)
1563 printf(" %02x", hk->key.tkip.txMic[i]);
1565 printf(" flags 0x%x\n", hk->keyFlags);
1570 * Allocate a key cache slot for a unicast key. The
1571 * firmware handles key allocation and every station is
1572 * guaranteed key space so we are always successful.
1575 mwl_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k,
1576 ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix)
1578 struct mwl_softc *sc = vap->iv_ic->ic_ifp->if_softc;
1580 if (k->wk_keyix != IEEE80211_KEYIX_NONE ||
1581 (k->wk_flags & IEEE80211_KEY_GROUP)) {
1582 if (!(&vap->iv_nw_keys[0] <= k &&
1583 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) {
1584 /* should not happen */
1585 DPRINTF(sc, MWL_DEBUG_KEYCACHE,
1586 "%s: bogus group key\n", __func__);
1589 /* give the caller what they requested */
1590 *keyix = *rxkeyix = k - vap->iv_nw_keys;
1593 * Firmware handles key allocation.
1595 *keyix = *rxkeyix = 0;
1601 * Delete a key entry allocated by mwl_key_alloc.
1604 mwl_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k)
1606 struct mwl_softc *sc = vap->iv_ic->ic_ifp->if_softc;
1607 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1609 const uint8_t bcastaddr[IEEE80211_ADDR_LEN] =
1610 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1613 if (vap->iv_opmode != IEEE80211_M_WDS) {
1614 /* XXX monitor mode? */
1615 DPRINTF(sc, MWL_DEBUG_KEYCACHE,
1616 "%s: no hvap for opmode %d\n", __func__,
1620 hvap = MWL_VAP(vap)->mv_ap_hvap;
1623 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: delete key %u\n",
1624 __func__, k->wk_keyix);
1626 memset(&hk, 0, sizeof(hk));
1627 hk.keyIndex = k->wk_keyix;
1628 switch (k->wk_cipher->ic_cipher) {
1629 case IEEE80211_CIPHER_WEP:
1630 hk.keyTypeId = KEY_TYPE_ID_WEP;
1632 case IEEE80211_CIPHER_TKIP:
1633 hk.keyTypeId = KEY_TYPE_ID_TKIP;
1635 case IEEE80211_CIPHER_AES_CCM:
1636 hk.keyTypeId = KEY_TYPE_ID_AES;
1639 /* XXX should not happen */
1640 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: unknown cipher %d\n",
1641 __func__, k->wk_cipher->ic_cipher);
1644 return (mwl_hal_keyreset(hvap, &hk, bcastaddr) == 0); /*XXX*/
1648 addgroupflags(MWL_HAL_KEYVAL *hk, const struct ieee80211_key *k)
1650 if (k->wk_flags & IEEE80211_KEY_GROUP) {
1651 if (k->wk_flags & IEEE80211_KEY_XMIT)
1652 hk->keyFlags |= KEY_FLAG_TXGROUPKEY;
1653 if (k->wk_flags & IEEE80211_KEY_RECV)
1654 hk->keyFlags |= KEY_FLAG_RXGROUPKEY;
1661 * Set the key cache contents for the specified key. Key cache
1662 * slot(s) must already have been allocated by mwl_key_alloc.
1665 mwl_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k,
1666 const uint8_t mac[IEEE80211_ADDR_LEN])
1668 #define GRPXMIT (IEEE80211_KEY_XMIT | IEEE80211_KEY_GROUP)
1669 /* NB: static wep keys are marked GROUP+tx/rx; GTK will be tx or rx */
1670 #define IEEE80211_IS_STATICKEY(k) \
1671 (((k)->wk_flags & (GRPXMIT|IEEE80211_KEY_RECV)) == \
1672 (GRPXMIT|IEEE80211_KEY_RECV))
1673 struct mwl_softc *sc = vap->iv_ic->ic_ifp->if_softc;
1674 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1675 const struct ieee80211_cipher *cip = k->wk_cipher;
1676 const uint8_t *macaddr;
1679 KASSERT((k->wk_flags & IEEE80211_KEY_SWCRYPT) == 0,
1680 ("s/w crypto set?"));
1683 if (vap->iv_opmode != IEEE80211_M_WDS) {
1684 /* XXX monitor mode? */
1685 DPRINTF(sc, MWL_DEBUG_KEYCACHE,
1686 "%s: no hvap for opmode %d\n", __func__,
1690 hvap = MWL_VAP(vap)->mv_ap_hvap;
1692 memset(&hk, 0, sizeof(hk));
1693 hk.keyIndex = k->wk_keyix;
1694 switch (cip->ic_cipher) {
1695 case IEEE80211_CIPHER_WEP:
1696 hk.keyTypeId = KEY_TYPE_ID_WEP;
1697 hk.keyLen = k->wk_keylen;
1698 if (k->wk_keyix == vap->iv_def_txkey)
1699 hk.keyFlags = KEY_FLAG_WEP_TXKEY;
1700 if (!IEEE80211_IS_STATICKEY(k)) {
1701 /* NB: WEP is never used for the PTK */
1702 (void) addgroupflags(&hk, k);
1705 case IEEE80211_CIPHER_TKIP:
1706 hk.keyTypeId = KEY_TYPE_ID_TKIP;
1707 hk.key.tkip.tsc.high = (uint32_t)(k->wk_keytsc >> 16);
1708 hk.key.tkip.tsc.low = (uint16_t)k->wk_keytsc;
1709 hk.keyFlags = KEY_FLAG_TSC_VALID | KEY_FLAG_MICKEY_VALID;
1710 hk.keyLen = k->wk_keylen + IEEE80211_MICBUF_SIZE;
1711 if (!addgroupflags(&hk, k))
1712 hk.keyFlags |= KEY_FLAG_PAIRWISE;
1714 case IEEE80211_CIPHER_AES_CCM:
1715 hk.keyTypeId = KEY_TYPE_ID_AES;
1716 hk.keyLen = k->wk_keylen;
1717 if (!addgroupflags(&hk, k))
1718 hk.keyFlags |= KEY_FLAG_PAIRWISE;
1721 /* XXX should not happen */
1722 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: unknown cipher %d\n",
1723 __func__, k->wk_cipher->ic_cipher);
1727 * NB: tkip mic keys get copied here too; the layout
1728 * just happens to match that in ieee80211_key.
1730 memcpy(hk.key.aes, k->wk_key, hk.keyLen);
1733 * Locate address of sta db entry for writing key;
1734 * the convention unfortunately is somewhat different
1735 * than how net80211, hostapd, and wpa_supplicant think.
1737 if (vap->iv_opmode == IEEE80211_M_STA) {
1739 * NB: keys plumbed before the sta reaches AUTH state
1740 * will be discarded or written to the wrong sta db
1741 * entry because iv_bss is meaningless. This is ok
1742 * (right now) because we handle deferred plumbing of
1743 * WEP keys when the sta reaches AUTH state.
1745 macaddr = vap->iv_bss->ni_bssid;
1746 if ((k->wk_flags & IEEE80211_KEY_GROUP) == 0) {
1747 /* XXX plumb to local sta db too for static key wep */
1748 mwl_hal_keyset(hvap, &hk, vap->iv_myaddr);
1750 } else if (vap->iv_opmode == IEEE80211_M_WDS &&
1751 vap->iv_state != IEEE80211_S_RUN) {
1753 * Prior to RUN state a WDS vap will not it's BSS node
1754 * setup so we will plumb the key to the wrong mac
1755 * address (it'll be our local address). Workaround
1756 * this for the moment by grabbing the correct address.
1758 macaddr = vap->iv_des_bssid;
1759 } else if ((k->wk_flags & GRPXMIT) == GRPXMIT)
1760 macaddr = vap->iv_myaddr;
1763 KEYPRINTF(sc, &hk, macaddr);
1764 return (mwl_hal_keyset(hvap, &hk, macaddr) == 0);
1765 #undef IEEE80211_IS_STATICKEY
1769 /* unaligned little endian access */
1770 #define LE_READ_2(p) \
1772 ((((const uint8_t *)(p))[0] ) | \
1773 (((const uint8_t *)(p))[1] << 8)))
1774 #define LE_READ_4(p) \
1776 ((((const uint8_t *)(p))[0] ) | \
1777 (((const uint8_t *)(p))[1] << 8) | \
1778 (((const uint8_t *)(p))[2] << 16) | \
1779 (((const uint8_t *)(p))[3] << 24)))
1782 * Set the multicast filter contents into the hardware.
1783 * XXX f/w has no support; just defer to the os.
1786 mwl_setmcastfilter(struct mwl_softc *sc)
1788 struct ifnet *ifp = sc->sc_ifp;
1790 struct ether_multi *enm;
1791 struct ether_multistep estep;
1792 uint8_t macs[IEEE80211_ADDR_LEN*MWL_HAL_MCAST_MAX];/* XXX stack use */
1798 ETHER_FIRST_MULTI(estep, &sc->sc_ec, enm);
1799 while (enm != NULL) {
1800 /* XXX Punt on ranges. */
1801 if (nmc == MWL_HAL_MCAST_MAX ||
1802 !IEEE80211_ADDR_EQ(enm->enm_addrlo, enm->enm_addrhi)) {
1803 ifp->if_flags |= IFF_ALLMULTI;
1806 IEEE80211_ADDR_COPY(mp, enm->enm_addrlo);
1807 mp += IEEE80211_ADDR_LEN, nmc++;
1808 ETHER_NEXT_MULTI(estep, enm);
1810 ifp->if_flags &= ~IFF_ALLMULTI;
1811 mwl_hal_setmcast(sc->sc_mh, nmc, macs);
1813 /* XXX no mcast filter support; we get everything */
1814 ifp->if_flags |= IFF_ALLMULTI;
1819 mwl_mode_init(struct mwl_softc *sc)
1821 struct ifnet *ifp = sc->sc_ifp;
1822 struct ieee80211com *ic = ifp->if_l2com;
1823 struct mwl_hal *mh = sc->sc_mh;
1826 * NB: Ignore promisc in hostap mode; it's set by the
1827 * bridge. This is wrong but we have no way to
1828 * identify internal requests (from the bridge)
1829 * versus external requests such as for tcpdump.
1831 mwl_hal_setpromisc(mh, (ifp->if_flags & IFF_PROMISC) &&
1832 ic->ic_opmode != IEEE80211_M_HOSTAP);
1833 mwl_setmcastfilter(sc);
1839 * Callback from the 802.11 layer after a multicast state change.
1842 mwl_update_mcast(struct ifnet *ifp)
1844 struct mwl_softc *sc = ifp->if_softc;
1846 mwl_setmcastfilter(sc);
1850 * Callback from the 802.11 layer after a promiscuous mode change.
1851 * Note this interface does not check the operating mode as this
1852 * is an internal callback and we are expected to honor the current
1853 * state (e.g. this is used for setting the interface in promiscuous
1854 * mode when operating in hostap mode to do ACS).
1857 mwl_update_promisc(struct ifnet *ifp)
1859 struct mwl_softc *sc = ifp->if_softc;
1861 mwl_hal_setpromisc(sc->sc_mh, (ifp->if_flags & IFF_PROMISC) != 0);
1865 * Callback from the 802.11 layer to update the slot time
1866 * based on the current setting. We use it to notify the
1867 * firmware of ERP changes and the f/w takes care of things
1868 * like slot time and preamble.
1871 mwl_updateslot(struct ifnet *ifp)
1873 struct mwl_softc *sc = ifp->if_softc;
1874 struct ieee80211com *ic = ifp->if_l2com;
1875 struct mwl_hal *mh = sc->sc_mh;
1878 /* NB: can be called early; suppress needless cmds */
1879 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0)
1883 * Calculate the ERP flags. The firwmare will use
1884 * this to carry out the appropriate measures.
1887 if (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) {
1888 if ((ic->ic_flags & IEEE80211_F_SHSLOT) == 0)
1889 prot |= IEEE80211_ERP_NON_ERP_PRESENT;
1890 if (ic->ic_flags & IEEE80211_F_USEPROT)
1891 prot |= IEEE80211_ERP_USE_PROTECTION;
1892 if (ic->ic_flags & IEEE80211_F_USEBARKER)
1893 prot |= IEEE80211_ERP_LONG_PREAMBLE;
1896 DPRINTF(sc, MWL_DEBUG_RESET,
1897 "%s: chan %u MHz/flags 0x%x %s slot, (prot 0x%x ic_flags 0x%x)\n",
1898 __func__, ic->ic_curchan->ic_freq, ic->ic_curchan->ic_flags,
1899 ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long", prot,
1902 mwl_hal_setgprot(mh, prot);
1906 * Setup the beacon frame.
1909 mwl_beacon_setup(struct ieee80211vap *vap)
1911 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1912 struct ieee80211_node *ni = vap->iv_bss;
1913 struct ieee80211_beacon_offsets bo;
1916 m = ieee80211_beacon_alloc(ni, &bo);
1919 mwl_hal_setbeacon(hvap, mtod(m, const void *), m->m_len);
1926 * Update the beacon frame in response to a change.
1929 mwl_beacon_update(struct ieee80211vap *vap, int item)
1931 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1932 struct ieee80211com *ic = vap->iv_ic;
1934 KASSERT(hvap != NULL, ("no beacon"));
1936 case IEEE80211_BEACON_ERP:
1937 mwl_updateslot(ic->ic_ifp);
1939 case IEEE80211_BEACON_HTINFO:
1940 mwl_hal_setnprotmode(hvap,
1941 MS(ic->ic_curhtprotmode, IEEE80211_HTINFO_OPMODE));
1943 case IEEE80211_BEACON_CAPS:
1944 case IEEE80211_BEACON_WME:
1945 case IEEE80211_BEACON_APPIE:
1946 case IEEE80211_BEACON_CSA:
1948 case IEEE80211_BEACON_TIM:
1949 /* NB: firmware always forms TIM */
1952 /* XXX retain beacon frame and update */
1953 mwl_beacon_setup(vap);
1957 mwl_load_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
1959 bus_addr_t *paddr = (bus_addr_t*) arg;
1960 KASSERT(error == 0, ("error %u on bus_dma callback", error));
1961 *paddr = segs->ds_addr;
1964 #ifdef MWL_HOST_PS_SUPPORT
1966 * Handle power save station occupancy changes.
1969 mwl_update_ps(struct ieee80211vap *vap, int nsta)
1971 struct mwl_vap *mvp = MWL_VAP(vap);
1973 if (nsta == 0 || mvp->mv_last_ps_sta == 0)
1974 mwl_hal_setpowersave_bss(mvp->mv_hvap, nsta);
1975 mvp->mv_last_ps_sta = nsta;
1979 * Handle associated station power save state changes.
1982 mwl_set_tim(struct ieee80211_node *ni, int set)
1984 struct ieee80211vap *vap = ni->ni_vap;
1985 struct mwl_vap *mvp = MWL_VAP(vap);
1987 if (mvp->mv_set_tim(ni, set)) { /* NB: state change */
1988 mwl_hal_setpowersave_sta(mvp->mv_hvap,
1989 IEEE80211_AID(ni->ni_associd), set);
1994 #endif /* MWL_HOST_PS_SUPPORT */
1997 mwl_desc_setup(struct mwl_softc *sc, const char *name,
1998 struct mwl_descdma *dd,
1999 int nbuf, size_t bufsize, int ndesc, size_t descsize)
2001 struct ifnet *ifp = sc->sc_ifp;
2005 DPRINTF(sc, MWL_DEBUG_RESET,
2006 "%s: %s DMA: %u bufs (%ju) %u desc/buf (%ju)\n",
2007 __func__, name, nbuf, (uintmax_t) bufsize,
2008 ndesc, (uintmax_t) descsize);
2011 dd->dd_desc_len = nbuf * ndesc * descsize;
2014 * Setup DMA descriptor area.
2016 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), /* parent */
2017 PAGE_SIZE, 0, /* alignment, bounds */
2018 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
2019 BUS_SPACE_MAXADDR, /* highaddr */
2020 NULL, NULL, /* filter, filterarg */
2021 dd->dd_desc_len, /* maxsize */
2023 dd->dd_desc_len, /* maxsegsize */
2024 BUS_DMA_ALLOCNOW, /* flags */
2025 NULL, /* lockfunc */
2029 if_printf(ifp, "cannot allocate %s DMA tag\n", dd->dd_name);
2033 /* allocate descriptors */
2034 error = bus_dmamap_create(dd->dd_dmat, BUS_DMA_NOWAIT, &dd->dd_dmamap);
2036 if_printf(ifp, "unable to create dmamap for %s descriptors, "
2037 "error %u\n", dd->dd_name, error);
2041 error = bus_dmamem_alloc(dd->dd_dmat, (void**) &dd->dd_desc,
2042 BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
2045 if_printf(ifp, "unable to alloc memory for %u %s descriptors, "
2046 "error %u\n", nbuf * ndesc, dd->dd_name, error);
2050 error = bus_dmamap_load(dd->dd_dmat, dd->dd_dmamap,
2051 dd->dd_desc, dd->dd_desc_len,
2052 mwl_load_cb, &dd->dd_desc_paddr,
2055 if_printf(ifp, "unable to map %s descriptors, error %u\n",
2056 dd->dd_name, error);
2061 memset(ds, 0, dd->dd_desc_len);
2062 DPRINTF(sc, MWL_DEBUG_RESET, "%s: %s DMA map: %p (%lu) -> %p (%lu)\n",
2063 __func__, dd->dd_name, ds, (u_long) dd->dd_desc_len,
2064 (caddr_t) dd->dd_desc_paddr, /*XXX*/ (u_long) dd->dd_desc_len);
2068 bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);
2070 bus_dmamap_destroy(dd->dd_dmat, dd->dd_dmamap);
2072 bus_dma_tag_destroy(dd->dd_dmat);
2073 memset(dd, 0, sizeof(*dd));
2079 mwl_desc_cleanup(struct mwl_softc *sc, struct mwl_descdma *dd)
2081 bus_dmamap_unload(dd->dd_dmat, dd->dd_dmamap);
2082 bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);
2083 bus_dmamap_destroy(dd->dd_dmat, dd->dd_dmamap);
2084 bus_dma_tag_destroy(dd->dd_dmat);
2086 memset(dd, 0, sizeof(*dd));
2090 * Construct a tx q's free list. The order of entries on
2091 * the list must reflect the physical layout of tx descriptors
2092 * because the firmware pre-fetches descriptors.
2094 * XXX might be better to use indices into the buffer array.
2097 mwl_txq_reset(struct mwl_softc *sc, struct mwl_txq *txq)
2099 struct mwl_txbuf *bf;
2102 bf = txq->dma.dd_bufptr;
2103 STAILQ_INIT(&txq->free);
2104 for (i = 0; i < mwl_txbuf; i++, bf++)
2105 STAILQ_INSERT_TAIL(&txq->free, bf, bf_list);
2109 #define DS2PHYS(_dd, _ds) \
2110 ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
2113 mwl_txdma_setup(struct mwl_softc *sc, struct mwl_txq *txq)
2115 struct ifnet *ifp = sc->sc_ifp;
2116 int error, bsize, i;
2117 struct mwl_txbuf *bf;
2118 struct mwl_txdesc *ds;
2120 error = mwl_desc_setup(sc, "tx", &txq->dma,
2121 mwl_txbuf, sizeof(struct mwl_txbuf),
2122 MWL_TXDESC, sizeof(struct mwl_txdesc));
2126 /* allocate and setup tx buffers */
2127 bsize = mwl_txbuf * sizeof(struct mwl_txbuf);
2128 bf = malloc(bsize, M_MWLDEV, M_NOWAIT | M_ZERO);
2130 if_printf(ifp, "malloc of %u tx buffers failed\n",
2134 txq->dma.dd_bufptr = bf;
2136 ds = txq->dma.dd_desc;
2137 for (i = 0; i < mwl_txbuf; i++, bf++, ds += MWL_TXDESC) {
2139 bf->bf_daddr = DS2PHYS(&txq->dma, ds);
2140 error = bus_dmamap_create(sc->sc_dmat, BUS_DMA_NOWAIT,
2143 if_printf(ifp, "unable to create dmamap for tx "
2144 "buffer %u, error %u\n", i, error);
2148 mwl_txq_reset(sc, txq);
2153 mwl_txdma_cleanup(struct mwl_softc *sc, struct mwl_txq *txq)
2155 struct mwl_txbuf *bf;
2158 bf = txq->dma.dd_bufptr;
2159 for (i = 0; i < mwl_txbuf; i++, bf++) {
2160 KASSERT(bf->bf_m == NULL, ("mbuf on free list"));
2161 KASSERT(bf->bf_node == NULL, ("node on free list"));
2162 if (bf->bf_dmamap != NULL)
2163 bus_dmamap_destroy(sc->sc_dmat, bf->bf_dmamap);
2165 STAILQ_INIT(&txq->free);
2167 if (txq->dma.dd_bufptr != NULL) {
2168 free(txq->dma.dd_bufptr, M_MWLDEV);
2169 txq->dma.dd_bufptr = NULL;
2171 if (txq->dma.dd_desc_len != 0)
2172 mwl_desc_cleanup(sc, &txq->dma);
2176 mwl_rxdma_setup(struct mwl_softc *sc)
2178 struct ifnet *ifp = sc->sc_ifp;
2179 int error, jumbosize, bsize, i;
2180 struct mwl_rxbuf *bf;
2181 struct mwl_jumbo *rbuf;
2182 struct mwl_rxdesc *ds;
2185 error = mwl_desc_setup(sc, "rx", &sc->sc_rxdma,
2186 mwl_rxdesc, sizeof(struct mwl_rxbuf),
2187 1, sizeof(struct mwl_rxdesc));
2192 * Receive is done to a private pool of jumbo buffers.
2193 * This allows us to attach to mbuf's and avoid re-mapping
2194 * memory on each rx we post. We allocate a large chunk
2195 * of memory and manage it in the driver. The mbuf free
2196 * callback method is used to reclaim frames after sending
2197 * them up the stack. By default we allocate 2x the number of
2198 * rx descriptors configured so we have some slop to hold
2199 * us while frames are processed.
2201 if (mwl_rxbuf < 2*mwl_rxdesc) {
2203 "too few rx dma buffers (%d); increasing to %d\n",
2204 mwl_rxbuf, 2*mwl_rxdesc);
2205 mwl_rxbuf = 2*mwl_rxdesc;
2207 jumbosize = roundup(MWL_AGGR_SIZE, PAGE_SIZE);
2208 sc->sc_rxmemsize = mwl_rxbuf*jumbosize;
2210 error = bus_dma_tag_create(sc->sc_dmat, /* parent */
2211 PAGE_SIZE, 0, /* alignment, bounds */
2212 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
2213 BUS_SPACE_MAXADDR, /* highaddr */
2214 NULL, NULL, /* filter, filterarg */
2215 sc->sc_rxmemsize, /* maxsize */
2217 sc->sc_rxmemsize, /* maxsegsize */
2218 BUS_DMA_ALLOCNOW, /* flags */
2219 NULL, /* lockfunc */
2222 error = bus_dmamap_create(sc->sc_rxdmat, BUS_DMA_NOWAIT, &sc->sc_rxmap);
2224 if_printf(ifp, "could not create rx DMA map\n");
2228 error = bus_dmamem_alloc(sc->sc_rxdmat, (void**) &sc->sc_rxmem,
2229 BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
2232 if_printf(ifp, "could not alloc %ju bytes of rx DMA memory\n",
2233 (uintmax_t) sc->sc_rxmemsize);
2237 error = bus_dmamap_load(sc->sc_rxdmat, sc->sc_rxmap,
2238 sc->sc_rxmem, sc->sc_rxmemsize,
2239 mwl_load_cb, &sc->sc_rxmem_paddr,
2242 if_printf(ifp, "could not load rx DMA map\n");
2247 * Allocate rx buffers and set them up.
2249 bsize = mwl_rxdesc * sizeof(struct mwl_rxbuf);
2250 bf = malloc(bsize, M_MWLDEV, M_NOWAIT | M_ZERO);
2252 if_printf(ifp, "malloc of %u rx buffers failed\n", bsize);
2255 sc->sc_rxdma.dd_bufptr = bf;
2257 STAILQ_INIT(&sc->sc_rxbuf);
2258 ds = sc->sc_rxdma.dd_desc;
2259 for (i = 0; i < mwl_rxdesc; i++, bf++, ds++) {
2261 bf->bf_daddr = DS2PHYS(&sc->sc_rxdma, ds);
2262 /* pre-assign dma buffer */
2263 bf->bf_data = ((uint8_t *)sc->sc_rxmem) + (i*jumbosize);
2264 /* NB: tail is intentional to preserve descriptor order */
2265 STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
2269 * Place remainder of dma memory buffers on the free list.
2271 SLIST_INIT(&sc->sc_rxfree);
2272 for (; i < mwl_rxbuf; i++) {
2273 data = ((uint8_t *)sc->sc_rxmem) + (i*jumbosize);
2274 rbuf = MWL_JUMBO_DATA2BUF(data);
2275 SLIST_INSERT_HEAD(&sc->sc_rxfree, rbuf, next);
2278 MWL_RXFREE_INIT(sc);
2284 mwl_rxdma_cleanup(struct mwl_softc *sc)
2286 if (sc->sc_rxmap != NULL)
2287 bus_dmamap_unload(sc->sc_rxdmat, sc->sc_rxmap);
2288 if (sc->sc_rxmem != NULL) {
2289 bus_dmamem_free(sc->sc_rxdmat, sc->sc_rxmem, sc->sc_rxmap);
2290 sc->sc_rxmem = NULL;
2292 if (sc->sc_rxmap != NULL) {
2293 bus_dmamap_destroy(sc->sc_rxdmat, sc->sc_rxmap);
2294 sc->sc_rxmap = NULL;
2296 if (sc->sc_rxdma.dd_bufptr != NULL) {
2297 free(sc->sc_rxdma.dd_bufptr, M_MWLDEV);
2298 sc->sc_rxdma.dd_bufptr = NULL;
2300 if (sc->sc_rxdma.dd_desc_len != 0)
2301 mwl_desc_cleanup(sc, &sc->sc_rxdma);
2302 MWL_RXFREE_DESTROY(sc);
2306 mwl_dma_setup(struct mwl_softc *sc)
2310 error = mwl_rxdma_setup(sc);
2312 mwl_rxdma_cleanup(sc);
2316 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) {
2317 error = mwl_txdma_setup(sc, &sc->sc_txq[i]);
2319 mwl_dma_cleanup(sc);
2327 mwl_dma_cleanup(struct mwl_softc *sc)
2331 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
2332 mwl_txdma_cleanup(sc, &sc->sc_txq[i]);
2333 mwl_rxdma_cleanup(sc);
2336 static struct ieee80211_node *
2337 mwl_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
2339 struct ieee80211com *ic = vap->iv_ic;
2340 struct mwl_softc *sc = ic->ic_ifp->if_softc;
2341 const size_t space = sizeof(struct mwl_node);
2342 struct mwl_node *mn;
2344 mn = malloc(space, M_80211_NODE, M_NOWAIT|M_ZERO);
2349 DPRINTF(sc, MWL_DEBUG_NODE, "%s: mn %p\n", __func__, mn);
2350 return &mn->mn_node;
2354 mwl_node_cleanup(struct ieee80211_node *ni)
2356 struct ieee80211com *ic = ni->ni_ic;
2357 struct mwl_softc *sc = ic->ic_ifp->if_softc;
2358 struct mwl_node *mn = MWL_NODE(ni);
2360 DPRINTF(sc, MWL_DEBUG_NODE, "%s: ni %p ic %p staid %d\n",
2361 __func__, ni, ni->ni_ic, mn->mn_staid);
2363 if (mn->mn_staid != 0) {
2364 struct ieee80211vap *vap = ni->ni_vap;
2366 if (mn->mn_hvap != NULL) {
2367 if (vap->iv_opmode == IEEE80211_M_STA)
2368 mwl_hal_delstation(mn->mn_hvap, vap->iv_myaddr);
2370 mwl_hal_delstation(mn->mn_hvap, ni->ni_macaddr);
2373 * NB: legacy WDS peer sta db entry is installed using
2374 * the associate ap's hvap; use it again to delete it.
2375 * XXX can vap be NULL?
2377 else if (vap->iv_opmode == IEEE80211_M_WDS &&
2378 MWL_VAP(vap)->mv_ap_hvap != NULL)
2379 mwl_hal_delstation(MWL_VAP(vap)->mv_ap_hvap,
2381 delstaid(sc, mn->mn_staid);
2384 sc->sc_node_cleanup(ni);
2388 * Reclaim rx dma buffers from packets sitting on the ampdu
2389 * reorder queue for a station. We replace buffers with a
2390 * system cluster (if available).
2393 mwl_ampdu_rxdma_reclaim(struct ieee80211_rx_ampdu *rap)
2400 n = rap->rxa_qframes;
2401 for (i = 0; i < rap->rxa_wnd && n > 0; i++) {
2406 /* our dma buffers have a well-known free routine */
2407 if ((m->m_flags & M_EXT) == 0 ||
2408 m->m_ext.ext_free != mwl_ext_free)
2411 * Try to allocate a cluster and move the data.
2413 off = m->m_data - m->m_ext.ext_buf;
2414 if (off + m->m_pkthdr.len > MCLBYTES) {
2415 /* XXX no AMSDU for now */
2418 cl = pool_cache_get_paddr(&mclpool_cache, 0,
2419 &m->m_ext.ext_paddr);
2422 * Copy the existing data to the cluster, remove
2423 * the rx dma buffer, and attach the cluster in
2424 * its place. Note we preserve the offset to the
2425 * data so frames being bridged can still prepend
2426 * their headers without adding another mbuf.
2428 memcpy((caddr_t) cl + off, m->m_data, m->m_pkthdr.len);
2430 MEXTADD(m, cl, MCLBYTES, 0, NULL, &mclpool_cache);
2431 /* setup mbuf like _MCLGET does */
2432 m->m_flags |= M_CLUSTER | M_EXT_RW;
2433 _MOWNERREF(m, M_EXT | M_CLUSTER);
2434 /* NB: m_data is clobbered by MEXTADDR, adjust */
2442 * Callback to reclaim resources. We first let the
2443 * net80211 layer do it's thing, then if we are still
2444 * blocked by a lack of rx dma buffers we walk the ampdu
2445 * reorder q's to reclaim buffers by copying to a system
2449 mwl_node_drain(struct ieee80211_node *ni)
2451 struct ieee80211com *ic = ni->ni_ic;
2452 struct mwl_softc *sc = ic->ic_ifp->if_softc;
2453 struct mwl_node *mn = MWL_NODE(ni);
2455 DPRINTF(sc, MWL_DEBUG_NODE, "%s: ni %p vap %p staid %d\n",
2456 __func__, ni, ni->ni_vap, mn->mn_staid);
2458 /* NB: call up first to age out ampdu q's */
2459 sc->sc_node_drain(ni);
2461 /* XXX better to not check low water mark? */
2462 if (sc->sc_rxblocked && mn->mn_staid != 0 &&
2463 (ni->ni_flags & IEEE80211_NODE_HT)) {
2466 * Walk the reorder q and reclaim rx dma buffers by copying
2467 * the packet contents into clusters.
2469 for (tid = 0; tid < WME_NUM_TID; tid++) {
2470 struct ieee80211_rx_ampdu *rap;
2472 rap = &ni->ni_rx_ampdu[tid];
2473 if ((rap->rxa_flags & IEEE80211_AGGR_XCHGPEND) == 0)
2475 if (rap->rxa_qframes)
2476 mwl_ampdu_rxdma_reclaim(rap);
2482 mwl_node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise)
2484 *rssi = ni->ni_ic->ic_node_getrssi(ni);
2485 #ifdef MWL_ANT_INFO_SUPPORT
2487 /* XXX need to smooth data */
2488 *noise = -MWL_NODE_CONST(ni)->mn_ai.nf;
2490 *noise = -95; /* XXX */
2493 *noise = -95; /* XXX */
2498 * Convert Hardware per-antenna rssi info to common format:
2499 * Let a1, a2, a3 represent the amplitudes per chain
2500 * Let amax represent max[a1, a2, a3]
2501 * Rssi1_dBm = RSSI_dBm + 20*log10(a1/amax)
2502 * Rssi1_dBm = RSSI_dBm + 20*log10(a1) - 20*log10(amax)
2503 * We store a table that is 4*20*log10(idx) - the extra 4 is to store or
2504 * maintain some extra precision.
2506 * Values are stored in .5 db format capped at 127.
2509 mwl_node_getmimoinfo(const struct ieee80211_node *ni,
2510 struct ieee80211_mimo_info *mi)
2512 #define CVT(_dst, _src) do { \
2513 (_dst) = rssi + ((logdbtbl[_src] - logdbtbl[rssi_max]) >> 2); \
2514 (_dst) = (_dst) > 64 ? 127 : ((_dst) << 1); \
2516 static const int8_t logdbtbl[32] = {
2517 0, 0, 24, 38, 48, 56, 62, 68,
2518 72, 76, 80, 83, 86, 89, 92, 94,
2519 96, 98, 100, 102, 104, 106, 107, 109,
2520 110, 112, 113, 115, 116, 117, 118, 119
2522 const struct mwl_node *mn = MWL_NODE_CONST(ni);
2523 uint8_t rssi = mn->mn_ai.rsvd1/2; /* XXX */
2526 rssi_max = mn->mn_ai.rssi_a;
2527 if (mn->mn_ai.rssi_b > rssi_max)
2528 rssi_max = mn->mn_ai.rssi_b;
2529 if (mn->mn_ai.rssi_c > rssi_max)
2530 rssi_max = mn->mn_ai.rssi_c;
2532 CVT(mi->rssi[0], mn->mn_ai.rssi_a);
2533 CVT(mi->rssi[1], mn->mn_ai.rssi_b);
2534 CVT(mi->rssi[2], mn->mn_ai.rssi_c);
2536 mi->noise[0] = mn->mn_ai.nf_a;
2537 mi->noise[1] = mn->mn_ai.nf_b;
2538 mi->noise[2] = mn->mn_ai.nf_c;
2542 static __inline void *
2543 mwl_getrxdma(struct mwl_softc *sc)
2545 struct mwl_jumbo *buf;
2549 * Allocate from jumbo pool.
2551 MWL_RXFREE_LOCK(sc);
2552 buf = SLIST_FIRST(&sc->sc_rxfree);
2554 DPRINTF(sc, MWL_DEBUG_ANY,
2555 "%s: out of rx dma buffers\n", __func__);
2556 sc->sc_stats.mst_rx_nodmabuf++;
2559 SLIST_REMOVE_HEAD(&sc->sc_rxfree, next);
2561 data = MWL_JUMBO_BUF2DATA(buf);
2563 MWL_RXFREE_UNLOCK(sc);
2567 static __inline void
2568 mwl_putrxdma(struct mwl_softc *sc, void *data)
2570 struct mwl_jumbo *buf;
2572 /* XXX bounds check data */
2573 MWL_RXFREE_LOCK(sc);
2574 buf = MWL_JUMBO_DATA2BUF(data);
2575 SLIST_INSERT_HEAD(&sc->sc_rxfree, buf, next);
2577 MWL_RXFREE_UNLOCK(sc);
2581 mwl_rxbuf_init(struct mwl_softc *sc, struct mwl_rxbuf *bf)
2583 struct mwl_rxdesc *ds;
2586 if (bf->bf_data == NULL) {
2587 bf->bf_data = mwl_getrxdma(sc);
2588 if (bf->bf_data == NULL) {
2589 /* mark descriptor to be skipped */
2590 ds->RxControl = EAGLE_RXD_CTRL_OS_OWN;
2591 /* NB: don't need PREREAD */
2592 MWL_RXDESC_SYNC(sc, ds, BUS_DMASYNC_PREWRITE);
2593 sc->sc_stats.mst_rxbuf_failed++;
2598 * NB: DMA buffer contents is known to be unmodified
2599 * so there's no need to flush the data cache.
2607 ds->Status = EAGLE_RXD_STATUS_IDLE;
2609 ds->PktLen = htole16(MWL_AGGR_SIZE);
2611 ds->pPhysBuffData = htole32(MWL_JUMBO_DMA_ADDR(sc, bf->bf_data));
2612 /* NB: don't touch pPhysNext, set once */
2613 ds->RxControl = EAGLE_RXD_CTRL_DRIVER_OWN;
2614 MWL_RXDESC_SYNC(sc, ds, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
2620 mwl_ext_free(void *data, void *arg)
2622 struct mwl_softc *sc = arg;
2624 /* XXX bounds check data */
2625 mwl_putrxdma(sc, data);
2627 * If we were previously blocked by a lack of rx dma buffers
2628 * check if we now have enough to restart rx interrupt handling.
2629 * NB: we know we are called at splvm which is above splnet.
2631 if (sc->sc_rxblocked && sc->sc_nrxfree > mwl_rxdmalow) {
2632 sc->sc_rxblocked = 0;
2633 mwl_hal_intrset(sc->sc_mh, sc->sc_imask);
2637 struct mwl_frame_bar {
2640 u_int8_t i_ra[IEEE80211_ADDR_LEN];
2641 u_int8_t i_ta[IEEE80211_ADDR_LEN];
2646 * Like ieee80211_anyhdrsize, but handles BAR frames
2647 * specially so the logic below to piece the 802.11
2648 * header together works.
2651 mwl_anyhdrsize(const void *data)
2653 const struct ieee80211_frame *wh = data;
2655 if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
2656 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
2657 case IEEE80211_FC0_SUBTYPE_CTS:
2658 case IEEE80211_FC0_SUBTYPE_ACK:
2659 return sizeof(struct ieee80211_frame_ack);
2660 case IEEE80211_FC0_SUBTYPE_BAR:
2661 return sizeof(struct mwl_frame_bar);
2663 return sizeof(struct ieee80211_frame_min);
2665 return ieee80211_hdrsize(data);
2669 mwl_handlemicerror(struct ieee80211com *ic, const uint8_t *data)
2671 const struct ieee80211_frame *wh;
2672 struct ieee80211_node *ni;
2674 wh = (const struct ieee80211_frame *)(data + sizeof(uint16_t));
2675 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
2677 ieee80211_notify_michael_failure(ni->ni_vap, wh, 0);
2678 ieee80211_free_node(ni);
2683 * Convert hardware signal strength to rssi. The value
2684 * provided by the device has the noise floor added in;
2685 * we need to compensate for this but we don't have that
2686 * so we use a fixed value.
2688 * The offset of 8 is good for both 2.4 and 5GHz. The LNA
2689 * offset is already set as part of the initial gain. This
2690 * will give at least +/- 3dB for 2.4GHz and +/- 5dB for 5GHz.
2693 cvtrssi(uint8_t ssi)
2695 int rssi = (int) ssi + 8;
2696 /* XXX hack guess until we have a real noise floor */
2697 rssi = 2*(87 - rssi); /* NB: .5 dBm units */
2698 return (rssi < 0 ? 0 : rssi > 127 ? 127 : rssi);
2702 mwl_rx_proc(void *arg, int npending)
2704 #define IEEE80211_DIR_DSTODS(wh) \
2705 ((((const struct ieee80211_frame *)wh)->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
2706 struct mwl_softc *sc = arg;
2707 struct ifnet *ifp = sc->sc_ifp;
2708 struct ieee80211com *ic = ifp->if_l2com;
2709 struct mwl_rxbuf *bf;
2710 struct mwl_rxdesc *ds;
2712 struct ieee80211_qosframe *wh;
2713 struct ieee80211_qosframe_addr4 *wh4;
2714 struct ieee80211_node *ni;
2715 struct mwl_node *mn;
2716 int off, len, hdrlen, pktlen, rssi, ntodo;
2717 uint8_t *data, status;
2721 DPRINTF(sc, MWL_DEBUG_RX_PROC, "%s: pending %u rdptr 0x%x wrptr 0x%x\n",
2722 __func__, npending, RD4(sc, sc->sc_hwspecs.rxDescRead),
2723 RD4(sc, sc->sc_hwspecs.rxDescWrite));
2726 for (ntodo = mwl_rxquota; ntodo > 0; ntodo--) {
2728 bf = STAILQ_FIRST(&sc->sc_rxbuf);
2733 * If data allocation failed previously there
2734 * will be no buffer; try again to re-populate it.
2735 * Note the firmware will not advance to the next
2736 * descriptor with a dma buffer so we must mimic
2737 * this or we'll get out of sync.
2739 DPRINTF(sc, MWL_DEBUG_ANY,
2740 "%s: rx buf w/o dma memory\n", __func__);
2741 (void) mwl_rxbuf_init(sc, bf);
2742 sc->sc_stats.mst_rx_dmabufmissing++;
2745 MWL_RXDESC_SYNC(sc, ds,
2746 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
2747 if (ds->RxControl != EAGLE_RXD_CTRL_DMA_OWN)
2750 if (sc->sc_debug & MWL_DEBUG_RECV_DESC)
2751 mwl_printrxbuf(bf, 0);
2753 status = ds->Status;
2754 if (status & EAGLE_RXD_STATUS_DECRYPT_ERR_MASK) {
2756 sc->sc_stats.mst_rx_crypto++;
2758 * NB: Check EAGLE_RXD_STATUS_GENERAL_DECRYPT_ERR
2759 * for backwards compatibility.
2761 if (status != EAGLE_RXD_STATUS_GENERAL_DECRYPT_ERR &&
2762 (status & EAGLE_RXD_STATUS_TKIP_MIC_DECRYPT_ERR)) {
2764 * MIC error, notify upper layers.
2766 bus_dmamap_sync(sc->sc_rxdmat, sc->sc_rxmap,
2767 BUS_DMASYNC_POSTREAD);
2768 mwl_handlemicerror(ic, data);
2769 sc->sc_stats.mst_rx_tkipmic++;
2771 /* XXX too painful to tap packets */
2775 * Sync the data buffer.
2777 len = le16toh(ds->PktLen);
2778 bus_dmamap_sync(sc->sc_rxdmat, sc->sc_rxmap, BUS_DMASYNC_POSTREAD);
2780 * The 802.11 header is provided all or in part at the front;
2781 * use it to calculate the true size of the header that we'll
2782 * construct below. We use this to figure out where to copy
2783 * payload prior to constructing the header.
2785 hdrlen = mwl_anyhdrsize(data + sizeof(uint16_t));
2786 off = sizeof(uint16_t) + sizeof(struct ieee80211_frame_addr4);
2788 /* calculate rssi early so we can re-use for each aggregate */
2789 rssi = cvtrssi(ds->RSSI);
2791 pktlen = hdrlen + (len - off);
2793 * NB: we know our frame is at least as large as
2794 * IEEE80211_MIN_LEN because there is a 4-address
2795 * frame at the front. Hence there's no need to
2796 * vet the packet length. If the frame in fact
2797 * is too small it should be discarded at the
2802 * Attach dma buffer to an mbuf. We tried
2803 * doing this based on the packet size (i.e.
2804 * copying small packets) but it turns out to
2805 * be a net loss. The tradeoff might be system
2806 * dependent (cache architecture is important).
2808 MGETHDR(m, M_NOWAIT, MT_DATA);
2810 DPRINTF(sc, MWL_DEBUG_ANY,
2811 "%s: no rx mbuf\n", __func__);
2812 sc->sc_stats.mst_rx_nombuf++;
2816 * Acquire the replacement dma buffer before
2817 * processing the frame. If we're out of dma
2818 * buffers we disable rx interrupts and wait
2819 * for the free pool to reach mlw_rxdmalow buffers
2820 * before starting to do work again. If the firmware
2821 * runs out of descriptors then it will toss frames
2822 * which is better than our doing it as that can
2823 * starve our processing. It is also important that
2824 * we always process rx'd frames in case they are
2825 * A-MPDU as otherwise the host's view of the BA
2826 * window may get out of sync with the firmware.
2828 newdata = mwl_getrxdma(sc);
2829 if (newdata == NULL) {
2830 /* NB: stat+msg in mwl_getrxdma */
2832 /* disable RX interrupt and mark state */
2833 mwl_hal_intrset(sc->sc_mh,
2834 sc->sc_imask &~ MACREG_A2HRIC_BIT_RX_RDY);
2835 sc->sc_rxblocked = 1;
2836 ieee80211_drain(ic);
2837 /* XXX check rxblocked and immediately start again? */
2840 bf->bf_data = newdata;
2842 * Attach the dma buffer to the mbuf;
2843 * mwl_rxbuf_init will re-setup the rx
2844 * descriptor using the replacement dma
2845 * buffer we just installed above.
2847 MEXTADD(m, data, MWL_AGGR_SIZE, mwl_ext_free,
2848 data, sc, 0, EXT_NET_DRV);
2849 m->m_data += off - hdrlen;
2850 m->m_pkthdr.len = m->m_len = pktlen;
2851 m->m_pkthdr.rcvif = ifp;
2852 /* NB: dma buffer assumed read-only */
2855 * Piece 802.11 header together.
2857 wh = mtod(m, struct ieee80211_qosframe *);
2858 /* NB: don't need to do this sometimes but ... */
2859 /* XXX special case so we can memcpy after m_devget? */
2860 ovbcopy(data + sizeof(uint16_t), wh, hdrlen);
2861 if (IEEE80211_QOS_HAS_SEQ(wh)) {
2862 if (IEEE80211_DIR_DSTODS(wh)) {
2864 struct ieee80211_qosframe_addr4*);
2865 *(uint16_t *)wh4->i_qos = ds->QosCtrl;
2867 *(uint16_t *)wh->i_qos = ds->QosCtrl;
2871 * The f/w strips WEP header but doesn't clear
2872 * the WEP bit; mark the packet with M_WEP so
2873 * net80211 will treat the data as decrypted.
2874 * While here also clear the PWR_MGT bit since
2875 * power save is handled by the firmware and
2876 * passing this up will potentially cause the
2877 * upper layer to put a station in power save
2878 * (except when configured with MWL_HOST_PS_SUPPORT).
2880 if (wh->i_fc[1] & IEEE80211_FC1_WEP)
2881 m->m_flags |= M_WEP;
2882 #ifdef MWL_HOST_PS_SUPPORT
2883 wh->i_fc[1] &= ~IEEE80211_FC1_WEP;
2885 wh->i_fc[1] &= ~(IEEE80211_FC1_WEP | IEEE80211_FC1_PWR_MGT);
2888 if (ieee80211_radiotap_active(ic)) {
2889 struct mwl_rx_radiotap_header *tap = &sc->sc_rx_th;
2892 tap->wr_rate = ds->Rate;
2893 tap->wr_antsignal = rssi + nf;
2894 tap->wr_antnoise = nf;
2896 if (IFF_DUMPPKTS_RECV(sc, wh)) {
2897 ieee80211_dump_pkt(ic, mtod(m, caddr_t),
2898 len, ds->Rate, rssi);
2903 ni = ieee80211_find_rxnode(ic,
2904 (const struct ieee80211_frame_min *) wh);
2907 #ifdef MWL_ANT_INFO_SUPPORT
2908 mn->mn_ai.rssi_a = ds->ai.rssi_a;
2909 mn->mn_ai.rssi_b = ds->ai.rssi_b;
2910 mn->mn_ai.rssi_c = ds->ai.rssi_c;
2911 mn->mn_ai.rsvd1 = rssi;
2913 /* tag AMPDU aggregates for reorder processing */
2914 if (ni->ni_flags & IEEE80211_NODE_HT)
2915 m->m_flags |= M_AMPDU;
2916 (void) ieee80211_input(ni, m, rssi, nf);
2917 ieee80211_free_node(ni);
2919 (void) ieee80211_input_all(ic, m, rssi, nf);
2921 /* NB: ignore ENOMEM so we process more descriptors */
2922 (void) mwl_rxbuf_init(sc, bf);
2923 bf = STAILQ_NEXT(bf, bf_list);
2928 if ((ifp->if_drv_flags & IFF_DRV_OACTIVE) == 0 &&
2929 !IFQ_IS_EMPTY(&ifp->if_snd)) {
2930 /* NB: kick fw; the tx thread may have been preempted */
2931 mwl_hal_txstart(sc->sc_mh, 0);
2934 #undef IEEE80211_DIR_DSTODS
2938 mwl_txq_init(struct mwl_softc *sc, struct mwl_txq *txq, int qnum)
2940 struct mwl_txbuf *bf, *bn;
2941 struct mwl_txdesc *ds;
2943 MWL_TXQ_LOCK_INIT(sc, txq);
2945 txq->txpri = 0; /* XXX */
2947 /* NB: q setup by mwl_txdma_setup XXX */
2948 STAILQ_INIT(&txq->free);
2950 STAILQ_FOREACH(bf, &txq->free, bf_list) {
2954 bn = STAILQ_NEXT(bf, bf_list);
2956 bn = STAILQ_FIRST(&txq->free);
2957 ds->pPhysNext = htole32(bn->bf_daddr);
2959 STAILQ_INIT(&txq->active);
2963 * Setup a hardware data transmit queue for the specified
2964 * access control. We record the mapping from ac's
2965 * to h/w queues for use by mwl_tx_start.
2968 mwl_tx_setup(struct mwl_softc *sc, int ac, int mvtype)
2970 #define N(a) (sizeof(a)/sizeof(a[0]))
2971 struct mwl_txq *txq;
2973 if (ac >= N(sc->sc_ac2q)) {
2974 device_printf(sc->sc_dev, "AC %u out of range, max %zu!\n",
2975 ac, N(sc->sc_ac2q));
2978 if (mvtype >= MWL_NUM_TX_QUEUES) {
2979 device_printf(sc->sc_dev, "mvtype %u out of range, max %u!\n",
2980 mvtype, MWL_NUM_TX_QUEUES);
2983 txq = &sc->sc_txq[mvtype];
2984 mwl_txq_init(sc, txq, mvtype);
2985 sc->sc_ac2q[ac] = txq;
2991 * Update WME parameters for a transmit queue.
2994 mwl_txq_update(struct mwl_softc *sc, int ac)
2996 #define MWL_EXPONENT_TO_VALUE(v) ((1<<v)-1)
2997 struct ifnet *ifp = sc->sc_ifp;
2998 struct ieee80211com *ic = ifp->if_l2com;
2999 struct mwl_txq *txq = sc->sc_ac2q[ac];
3000 struct wmeParams *wmep = &ic->ic_wme.wme_chanParams.cap_wmeParams[ac];
3001 struct mwl_hal *mh = sc->sc_mh;
3002 int aifs, cwmin, cwmax, txoplim;
3004 aifs = wmep->wmep_aifsn;
3005 /* XXX in sta mode need to pass log values for cwmin/max */
3006 cwmin = MWL_EXPONENT_TO_VALUE(wmep->wmep_logcwmin);
3007 cwmax = MWL_EXPONENT_TO_VALUE(wmep->wmep_logcwmax);
3008 txoplim = wmep->wmep_txopLimit; /* NB: units of 32us */
3010 if (mwl_hal_setedcaparams(mh, txq->qnum, cwmin, cwmax, aifs, txoplim)) {
3011 device_printf(sc->sc_dev, "unable to update hardware queue "
3012 "parameters for %s traffic!\n",
3013 ieee80211_wme_acnames[ac]);
3017 #undef MWL_EXPONENT_TO_VALUE
3021 * Callback from the 802.11 layer to update WME parameters.
3024 mwl_wme_update(struct ieee80211com *ic)
3026 struct mwl_softc *sc = ic->ic_ifp->if_softc;
3028 return !mwl_txq_update(sc, WME_AC_BE) ||
3029 !mwl_txq_update(sc, WME_AC_BK) ||
3030 !mwl_txq_update(sc, WME_AC_VI) ||
3031 !mwl_txq_update(sc, WME_AC_VO) ? EIO : 0;
3035 * Reclaim resources for a setup queue.
3038 mwl_tx_cleanupq(struct mwl_softc *sc, struct mwl_txq *txq)
3041 MWL_TXQ_LOCK_DESTROY(txq);
3045 * Reclaim all tx queue resources.
3048 mwl_tx_cleanup(struct mwl_softc *sc)
3052 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
3053 mwl_tx_cleanupq(sc, &sc->sc_txq[i]);
3057 mwl_tx_dmasetup(struct mwl_softc *sc, struct mwl_txbuf *bf, struct mbuf *m0)
3063 * Load the DMA map so any coalescing is done. This
3064 * also calculates the number of descriptors we need.
3066 error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0,
3067 bf->bf_segs, &bf->bf_nseg,
3069 if (error == EFBIG) {
3070 /* XXX packet requires too many descriptors */
3071 bf->bf_nseg = MWL_TXDESC+1;
3072 } else if (error != 0) {
3073 sc->sc_stats.mst_tx_busdma++;
3078 * Discard null packets and check for packets that
3079 * require too many TX descriptors. We try to convert
3080 * the latter to a cluster.
3082 if (error == EFBIG) { /* too many desc's, linearize */
3083 sc->sc_stats.mst_tx_linear++;
3085 m = m_collapse(m0, M_NOWAIT, MWL_TXDESC);
3087 m = m_defrag(m0, M_NOWAIT);
3091 sc->sc_stats.mst_tx_nombuf++;
3095 error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0,
3096 bf->bf_segs, &bf->bf_nseg,
3099 sc->sc_stats.mst_tx_busdma++;
3103 KASSERT(bf->bf_nseg <= MWL_TXDESC,
3104 ("too many segments after defrag; nseg %u", bf->bf_nseg));
3105 } else if (bf->bf_nseg == 0) { /* null packet, discard */
3106 sc->sc_stats.mst_tx_nodata++;
3110 DPRINTF(sc, MWL_DEBUG_XMIT, "%s: m %p len %u\n",
3111 __func__, m0, m0->m_pkthdr.len);
3112 bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap, BUS_DMASYNC_PREWRITE);
3119 mwl_cvtlegacyrate(int rate)
3140 * Calculate fixed tx rate information per client state;
3141 * this value is suitable for writing to the Format field
3142 * of a tx descriptor.
3145 mwl_calcformat(uint8_t rate, const struct ieee80211_node *ni)
3149 fmt = SM(3, EAGLE_TXD_ANTENNA)
3150 | (IEEE80211_IS_CHAN_HT40D(ni->ni_chan) ?
3151 EAGLE_TXD_EXTCHAN_LO : EAGLE_TXD_EXTCHAN_HI);
3152 if (rate & IEEE80211_RATE_MCS) { /* HT MCS */
3153 fmt |= EAGLE_TXD_FORMAT_HT
3154 /* NB: 0x80 implicitly stripped from ucastrate */
3155 | SM(rate, EAGLE_TXD_RATE);
3156 /* XXX short/long GI may be wrong; re-check */
3157 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
3158 fmt |= EAGLE_TXD_CHW_40
3159 | (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40 ?
3160 EAGLE_TXD_GI_SHORT : EAGLE_TXD_GI_LONG);
3162 fmt |= EAGLE_TXD_CHW_20
3163 | (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20 ?
3164 EAGLE_TXD_GI_SHORT : EAGLE_TXD_GI_LONG);
3166 } else { /* legacy rate */
3167 fmt |= EAGLE_TXD_FORMAT_LEGACY
3168 | SM(mwl_cvtlegacyrate(rate), EAGLE_TXD_RATE)
3170 /* XXX iv_flags & IEEE80211_F_SHPREAMBLE? */
3171 | (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE ?
3172 EAGLE_TXD_PREAMBLE_SHORT : EAGLE_TXD_PREAMBLE_LONG);
3178 mwl_tx_start(struct mwl_softc *sc, struct ieee80211_node *ni, struct mwl_txbuf *bf,
3181 #define IEEE80211_DIR_DSTODS(wh) \
3182 ((wh->i_fc[1] & IEEE80211_FC1_DIR_MASK) == IEEE80211_FC1_DIR_DSTODS)
3183 struct ifnet *ifp = sc->sc_ifp;
3184 struct ieee80211com *ic = ifp->if_l2com;
3185 struct ieee80211vap *vap = ni->ni_vap;
3186 int error, iswep, ismcast;
3187 int hdrlen, copyhdrlen, pktlen;
3188 struct mwl_txdesc *ds;
3189 struct mwl_txq *txq;
3190 struct ieee80211_frame *wh;
3191 struct mwltxrec *tr;
3192 struct mwl_node *mn;
3198 wh = mtod(m0, struct ieee80211_frame *);
3199 iswep = wh->i_fc[1] & IEEE80211_FC1_WEP;
3200 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1);
3201 hdrlen = ieee80211_anyhdrsize(wh);
3202 copyhdrlen = hdrlen;
3203 pktlen = m0->m_pkthdr.len;
3204 if (IEEE80211_QOS_HAS_SEQ(wh)) {
3205 if (IEEE80211_DIR_DSTODS(wh)) {
3207 (((struct ieee80211_qosframe_addr4 *) wh)->i_qos);
3208 copyhdrlen -= sizeof(qos);
3211 (((struct ieee80211_qosframe *) wh)->i_qos);
3216 const struct ieee80211_cipher *cip;
3217 struct ieee80211_key *k;
3220 * Construct the 802.11 header+trailer for an encrypted
3221 * frame. The only reason this can fail is because of an
3222 * unknown or unsupported cipher/key type.
3224 * NB: we do this even though the firmware will ignore
3225 * what we've done for WEP and TKIP as we need the
3226 * ExtIV filled in for CCMP and this also adjusts
3227 * the headers which simplifies our work below.
3229 k = ieee80211_crypto_encap(ni, m0);
3232 * This can happen when the key is yanked after the
3233 * frame was queued. Just discard the frame; the
3234 * 802.11 layer counts failures and provides
3235 * debugging/diagnostics.
3241 * Adjust the packet length for the crypto additions
3242 * done during encap and any other bits that the f/w
3243 * will add later on.
3246 pktlen += cip->ic_header + cip->ic_miclen + cip->ic_trailer;
3248 /* packet header may have moved, reset our local pointer */
3249 wh = mtod(m0, struct ieee80211_frame *);
3252 if (ieee80211_radiotap_active_vap(vap)) {
3253 sc->sc_tx_th.wt_flags = 0; /* XXX */
3255 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP;
3257 sc->sc_tx_th.wt_rate = ds->DataRate;
3259 sc->sc_tx_th.wt_txpower = ni->ni_txpower;
3260 sc->sc_tx_th.wt_antenna = sc->sc_txantenna;
3262 ieee80211_radiotap_tx(vap, m0);
3265 * Copy up/down the 802.11 header; the firmware requires
3266 * we present a 2-byte payload length followed by a
3267 * 4-address header (w/o QoS), followed (optionally) by
3268 * any WEP/ExtIV header (but only filled in for CCMP).
3269 * We are assured the mbuf has sufficient headroom to
3270 * prepend in-place by the setup of ic_headroom in
3273 if (hdrlen < sizeof(struct mwltxrec)) {
3274 const int space = sizeof(struct mwltxrec) - hdrlen;
3275 if (M_LEADINGSPACE(m0) < space) {
3276 /* NB: should never happen */
3277 device_printf(sc->sc_dev,
3278 "not enough headroom, need %d found %zd, "
3279 "m_flags 0x%x m_len %d\n",
3280 space, M_LEADINGSPACE(m0), m0->m_flags, m0->m_len);
3281 ieee80211_dump_pkt(ic,
3282 mtod(m0, const uint8_t *), m0->m_len, 0, -1);
3284 sc->sc_stats.mst_tx_noheadroom++;
3287 M_PREPEND(m0, space, M_NOWAIT);
3289 tr = mtod(m0, struct mwltxrec *);
3290 if (wh != (struct ieee80211_frame *) &tr->wh)
3291 ovbcopy(wh, &tr->wh, hdrlen);
3293 * Note: the "firmware length" is actually the length
3294 * of the fully formed "802.11 payload". That is, it's
3295 * everything except for the 802.11 header. In particular
3296 * this includes all crypto material including the MIC!
3298 tr->fwlen = htole16(pktlen - hdrlen);
3301 * Load the DMA map so any coalescing is done. This
3302 * also calculates the number of descriptors we need.
3304 error = mwl_tx_dmasetup(sc, bf, m0);
3306 /* NB: stat collected in mwl_tx_dmasetup */
3307 DPRINTF(sc, MWL_DEBUG_XMIT,
3308 "%s: unable to setup dma\n", __func__);
3311 bf->bf_node = ni; /* NB: held reference */
3312 m0 = bf->bf_m; /* NB: may have changed */
3313 tr = mtod(m0, struct mwltxrec *);
3314 wh = (struct ieee80211_frame *)&tr->wh;
3317 * Formulate tx descriptor.
3322 ds->QosCtrl = qos; /* NB: already little-endian */
3325 * NB: multiframes should be zero because the descriptors
3326 * are initialized to zero. This should handle the case
3327 * where the driver is built with MWL_TXDESC=1 but we are
3328 * using firmware with multi-segment support.
3330 ds->PktPtr = htole32(bf->bf_segs[0].ds_addr);
3331 ds->PktLen = htole16(bf->bf_segs[0].ds_len);
3333 ds->multiframes = htole32(bf->bf_nseg);
3334 ds->PktLen = htole16(m0->m_pkthdr.len);
3335 for (i = 0; i < bf->bf_nseg; i++) {
3336 ds->PktPtrArray[i] = htole32(bf->bf_segs[i].ds_addr);
3337 ds->PktLenArray[i] = htole16(bf->bf_segs[i].ds_len);
3340 /* NB: pPhysNext, DataRate, and SapPktInfo setup once, don't touch */
3343 ds->ack_wcb_addr = 0;
3347 * Select transmit rate.
3349 switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
3350 case IEEE80211_FC0_TYPE_MGT:
3351 sc->sc_stats.mst_tx_mgmt++;
3353 case IEEE80211_FC0_TYPE_CTL:
3354 /* NB: assign to BE q to avoid bursting */
3355 ds->TxPriority = MWL_WME_AC_BE;
3357 case IEEE80211_FC0_TYPE_DATA:
3359 const struct ieee80211_txparam *tp = ni->ni_txparms;
3361 * EAPOL frames get forced to a fixed rate and w/o
3362 * aggregation; otherwise check for any fixed rate
3363 * for the client (may depend on association state).
3365 if (m0->m_flags & M_EAPOL) {
3366 const struct mwl_vap *mvp = MWL_VAP_CONST(vap);
3367 ds->Format = mvp->mv_eapolformat;
3369 EAGLE_TXD_FIXED_RATE | EAGLE_TXD_DONT_AGGR);
3370 } else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) {
3371 /* XXX pre-calculate per node */
3372 ds->Format = htole16(
3373 mwl_calcformat(tp->ucastrate, ni));
3374 ds->pad = htole16(EAGLE_TXD_FIXED_RATE);
3376 /* NB: EAPOL frames will never have qos set */
3378 ds->TxPriority = txq->qnum;
3380 else if (mwl_bastream_match(&mn->mn_ba[3], qos))
3381 ds->TxPriority = mn->mn_ba[3].txq;
3384 else if (mwl_bastream_match(&mn->mn_ba[2], qos))
3385 ds->TxPriority = mn->mn_ba[2].txq;
3388 else if (mwl_bastream_match(&mn->mn_ba[1], qos))
3389 ds->TxPriority = mn->mn_ba[1].txq;
3392 else if (mwl_bastream_match(&mn->mn_ba[0], qos))
3393 ds->TxPriority = mn->mn_ba[0].txq;
3396 ds->TxPriority = txq->qnum;
3398 ds->TxPriority = txq->qnum;
3401 if_printf(ifp, "bogus frame type 0x%x (%s)\n",
3402 wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK, __func__);
3403 sc->sc_stats.mst_tx_badframetype++;
3408 if (IFF_DUMPPKTS_XMIT(sc))
3409 ieee80211_dump_pkt(ic,
3410 mtod(m0, const uint8_t *)+sizeof(uint16_t),
3411 m0->m_len - sizeof(uint16_t), ds->DataRate, -1);
3414 ds->Status = htole32(EAGLE_TXD_STATUS_FW_OWNED);
3415 STAILQ_INSERT_TAIL(&txq->active, bf, bf_list);
3416 MWL_TXDESC_SYNC(txq, ds, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3419 sc->sc_tx_timer = 5;
3420 MWL_TXQ_UNLOCK(txq);
3423 #undef IEEE80211_DIR_DSTODS
3427 mwl_cvtlegacyrix(int rix)
3429 #define N(x) (sizeof(x)/sizeof(x[0]))
3430 static const int ieeerates[] =
3431 { 2, 4, 11, 22, 44, 12, 18, 24, 36, 48, 72, 96, 108 };
3432 return (rix < N(ieeerates) ? ieeerates[rix] : 0);
3437 * Process completed xmit descriptors from the specified queue.
3440 mwl_tx_processq(struct mwl_softc *sc, struct mwl_txq *txq)
3442 #define EAGLE_TXD_STATUS_MCAST \
3443 (EAGLE_TXD_STATUS_MULTICAST_TX | EAGLE_TXD_STATUS_BROADCAST_TX)
3444 struct ifnet *ifp = sc->sc_ifp;
3445 struct ieee80211com *ic = ifp->if_l2com;
3446 struct mwl_txbuf *bf;
3447 struct mwl_txdesc *ds;
3448 struct ieee80211_node *ni;
3449 struct mwl_node *an;
3453 DPRINTF(sc, MWL_DEBUG_TX_PROC, "%s: tx queue %u\n", __func__, txq->qnum);
3454 for (nreaped = 0;; nreaped++) {
3456 bf = STAILQ_FIRST(&txq->active);
3458 MWL_TXQ_UNLOCK(txq);
3462 MWL_TXDESC_SYNC(txq, ds,
3463 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3464 if (ds->Status & htole32(EAGLE_TXD_STATUS_FW_OWNED)) {
3465 MWL_TXQ_UNLOCK(txq);
3468 STAILQ_REMOVE_HEAD(&txq->active, bf_list);
3469 MWL_TXQ_UNLOCK(txq);
3472 if (sc->sc_debug & MWL_DEBUG_XMIT_DESC)
3473 mwl_printtxbuf(bf, txq->qnum, nreaped);
3478 status = le32toh(ds->Status);
3479 if (status & EAGLE_TXD_STATUS_OK) {
3480 uint16_t Format = le16toh(ds->Format);
3481 uint8_t txant = MS(Format, EAGLE_TXD_ANTENNA);
3483 sc->sc_stats.mst_ant_tx[txant]++;
3484 if (status & EAGLE_TXD_STATUS_OK_RETRY)
3485 sc->sc_stats.mst_tx_retries++;
3486 if (status & EAGLE_TXD_STATUS_OK_MORE_RETRY)
3487 sc->sc_stats.mst_tx_mretries++;
3488 if (txq->qnum >= MWL_WME_AC_VO)
3489 ic->ic_wme.wme_hipri_traffic++;
3490 ni->ni_txrate = MS(Format, EAGLE_TXD_RATE);
3491 if ((Format & EAGLE_TXD_FORMAT_HT) == 0) {
3492 ni->ni_txrate = mwl_cvtlegacyrix(
3495 ni->ni_txrate |= IEEE80211_RATE_MCS;
3496 sc->sc_stats.mst_tx_rate = ni->ni_txrate;
3498 if (status & EAGLE_TXD_STATUS_FAILED_LINK_ERROR)
3499 sc->sc_stats.mst_tx_linkerror++;
3500 if (status & EAGLE_TXD_STATUS_FAILED_XRETRY)
3501 sc->sc_stats.mst_tx_xretries++;
3502 if (status & EAGLE_TXD_STATUS_FAILED_AGING)
3503 sc->sc_stats.mst_tx_aging++;
3504 if (bf->bf_m->m_flags & M_FF)
3505 sc->sc_stats.mst_ff_txerr++;
3508 * Do any tx complete callback. Note this must
3509 * be done before releasing the node reference.
3510 * XXX no way to figure out if frame was ACK'd
3512 if (bf->bf_m->m_flags & M_TXCB) {
3513 /* XXX strip fw len in case header inspected */
3514 m_adj(bf->bf_m, sizeof(uint16_t));
3515 ieee80211_process_callback(ni, bf->bf_m,
3516 (status & EAGLE_TXD_STATUS_OK) == 0);
3519 * Reclaim reference to node.
3521 * NB: the node may be reclaimed here if, for example
3522 * this is a DEAUTH message that was sent and the
3523 * node was timed out due to inactivity.
3525 ieee80211_free_node(ni);
3527 ds->Status = htole32(EAGLE_TXD_STATUS_IDLE);
3529 bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap,
3530 BUS_DMASYNC_POSTWRITE);
3531 bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap);
3534 mwl_puttxbuf_tail(txq, bf);
3537 #undef EAGLE_TXD_STATUS_MCAST
3541 * Deferred processing of transmit interrupt; special-cased
3542 * for four hardware queues, 0-3.
3545 mwl_tx_proc(void *arg, int npending)
3547 struct mwl_softc *sc = arg;
3548 struct ifnet *ifp = sc->sc_ifp;
3552 * Process each active queue.
3555 if (!STAILQ_EMPTY(&sc->sc_txq[0].active))
3556 nreaped += mwl_tx_processq(sc, &sc->sc_txq[0]);
3557 if (!STAILQ_EMPTY(&sc->sc_txq[1].active))
3558 nreaped += mwl_tx_processq(sc, &sc->sc_txq[1]);
3559 if (!STAILQ_EMPTY(&sc->sc_txq[2].active))
3560 nreaped += mwl_tx_processq(sc, &sc->sc_txq[2]);
3561 if (!STAILQ_EMPTY(&sc->sc_txq[3].active))
3562 nreaped += mwl_tx_processq(sc, &sc->sc_txq[3]);
3565 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3566 sc->sc_tx_timer = 0;
3567 if (!IFQ_IS_EMPTY(&ifp->if_snd)) {
3568 /* NB: kick fw; the tx thread may have been preempted */
3569 mwl_hal_txstart(sc->sc_mh, 0);
3576 mwl_tx_draintxq(struct mwl_softc *sc, struct mwl_txq *txq)
3578 struct ieee80211_node *ni;
3579 struct mwl_txbuf *bf;
3583 * NB: this assumes output has been stopped and
3584 * we do not need to block mwl_tx_tasklet
3586 for (ix = 0;; ix++) {
3588 bf = STAILQ_FIRST(&txq->active);
3590 MWL_TXQ_UNLOCK(txq);
3593 STAILQ_REMOVE_HEAD(&txq->active, bf_list);
3594 MWL_TXQ_UNLOCK(txq);
3596 if (sc->sc_debug & MWL_DEBUG_RESET) {
3597 struct ifnet *ifp = sc->sc_ifp;
3598 struct ieee80211com *ic = ifp->if_l2com;
3599 const struct mwltxrec *tr =
3600 mtod(bf->bf_m, const struct mwltxrec *);
3601 mwl_printtxbuf(bf, txq->qnum, ix);
3602 ieee80211_dump_pkt(ic, (const uint8_t *)&tr->wh,
3603 bf->bf_m->m_len - sizeof(tr->fwlen), 0, -1);
3605 #endif /* MWL_DEBUG */
3606 bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap);
3610 * Reclaim node reference.
3612 ieee80211_free_node(ni);
3616 mwl_puttxbuf_tail(txq, bf);
3621 * Drain the transmit queues and reclaim resources.
3624 mwl_draintxq(struct mwl_softc *sc)
3626 struct ifnet *ifp = sc->sc_ifp;
3629 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
3630 mwl_tx_draintxq(sc, &sc->sc_txq[i]);
3631 ifp->if_drv_flags &= ~IFF_DRV_OACTIVE;
3632 sc->sc_tx_timer = 0;
3637 * Reset the transmit queues to a pristine state after a fw download.
3640 mwl_resettxq(struct mwl_softc *sc)
3644 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
3645 mwl_txq_reset(sc, &sc->sc_txq[i]);
3647 #endif /* MWL_DIAGAPI */
3650 * Clear the transmit queues of any frames submitted for the
3651 * specified vap. This is done when the vap is deleted so we
3652 * don't potentially reference the vap after it is gone.
3653 * Note we cannot remove the frames; we only reclaim the node
3657 mwl_cleartxq(struct mwl_softc *sc, struct ieee80211vap *vap)
3659 struct mwl_txq *txq;
3660 struct mwl_txbuf *bf;
3663 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) {
3664 txq = &sc->sc_txq[i];
3666 STAILQ_FOREACH(bf, &txq->active, bf_list) {
3667 struct ieee80211_node *ni = bf->bf_node;
3668 if (ni != NULL && ni->ni_vap == vap) {
3670 ieee80211_free_node(ni);
3673 MWL_TXQ_UNLOCK(txq);
3678 mwl_recv_action(struct ieee80211_node *ni, const struct ieee80211_frame *wh,
3679 const uint8_t *frm, const uint8_t *efrm)
3681 struct mwl_softc *sc = ni->ni_ic->ic_ifp->if_softc;
3682 const struct ieee80211_action *ia;
3684 ia = (const struct ieee80211_action *) frm;
3685 if (ia->ia_category == IEEE80211_ACTION_CAT_HT &&
3686 ia->ia_action == IEEE80211_ACTION_HT_MIMOPWRSAVE) {
3687 const struct ieee80211_action_ht_mimopowersave *mps =
3688 (const struct ieee80211_action_ht_mimopowersave *) ia;
3690 mwl_hal_setmimops(sc->sc_mh, ni->ni_macaddr,
3691 mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_ENA,
3692 MS(mps->am_control, IEEE80211_A_HT_MIMOPWRSAVE_MODE));
3695 return sc->sc_recv_action(ni, wh, frm, efrm);
3699 mwl_addba_request(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap,
3700 int dialogtoken, int baparamset, int batimeout)
3702 struct mwl_softc *sc = ni->ni_ic->ic_ifp->if_softc;
3703 struct ieee80211vap *vap = ni->ni_vap;
3704 struct mwl_node *mn = MWL_NODE(ni);
3705 struct mwl_bastate *bas;
3707 bas = tap->txa_private;
3709 const MWL_HAL_BASTREAM *sp;
3711 * Check for a free BA stream slot.
3714 if (mn->mn_ba[3].bastream == NULL)
3715 bas = &mn->mn_ba[3];
3719 if (mn->mn_ba[2].bastream == NULL)
3720 bas = &mn->mn_ba[2];
3724 if (mn->mn_ba[1].bastream == NULL)
3725 bas = &mn->mn_ba[1];
3729 if (mn->mn_ba[0].bastream == NULL)
3730 bas = &mn->mn_ba[0];
3734 /* sta already has max BA streams */
3735 /* XXX assign BA stream to highest priority tid */
3736 DPRINTF(sc, MWL_DEBUG_AMPDU,
3737 "%s: already has max bastreams\n", __func__);
3738 sc->sc_stats.mst_ampdu_reject++;
3741 /* NB: no held reference to ni */
3742 sp = mwl_hal_bastream_alloc(MWL_VAP(vap)->mv_hvap,
3743 (baparamset & IEEE80211_BAPS_POLICY_IMMEDIATE) != 0,
3744 ni->ni_macaddr, WME_AC_TO_TID(tap->txa_ac), ni->ni_htparam,
3748 * No available stream, return 0 so no
3749 * a-mpdu aggregation will be done.
3751 DPRINTF(sc, MWL_DEBUG_AMPDU,
3752 "%s: no bastream available\n", __func__);
3753 sc->sc_stats.mst_ampdu_nostream++;
3756 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: alloc bastream %p\n",
3758 /* NB: qos is left zero so we won't match in mwl_tx_start */
3760 tap->txa_private = bas;
3762 /* fetch current seq# from the firmware; if available */
3763 if (mwl_hal_bastream_get_seqno(sc->sc_mh, bas->bastream,
3764 vap->iv_opmode == IEEE80211_M_STA ? vap->iv_myaddr : ni->ni_macaddr,
3765 &tap->txa_start) != 0)
3767 return sc->sc_addba_request(ni, tap, dialogtoken, baparamset, batimeout);
3771 mwl_addba_response(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap,
3772 int code, int baparamset, int batimeout)
3774 struct mwl_softc *sc = ni->ni_ic->ic_ifp->if_softc;
3775 struct mwl_bastate *bas;
3777 bas = tap->txa_private;
3779 /* XXX should not happen */
3780 DPRINTF(sc, MWL_DEBUG_AMPDU,
3781 "%s: no BA stream allocated, AC %d\n",
3782 __func__, tap->txa_ac);
3783 sc->sc_stats.mst_addba_nostream++;
3786 if (code == IEEE80211_STATUS_SUCCESS) {
3787 struct ieee80211vap *vap = ni->ni_vap;
3791 * Tell the firmware to setup the BA stream;
3792 * we know resources are available because we
3793 * pre-allocated one before forming the request.
3795 bufsiz = MS(baparamset, IEEE80211_BAPS_BUFSIZ);
3797 bufsiz = IEEE80211_AGGR_BAWMAX;
3798 error = mwl_hal_bastream_create(MWL_VAP(vap)->mv_hvap,
3799 bas->bastream, bufsiz, bufsiz, tap->txa_start);
3802 * Setup failed, return immediately so no a-mpdu
3803 * aggregation will be done.
3805 mwl_hal_bastream_destroy(sc->sc_mh, bas->bastream);
3806 mwl_bastream_free(bas);
3807 tap->txa_private = NULL;
3809 DPRINTF(sc, MWL_DEBUG_AMPDU,
3810 "%s: create failed, error %d, bufsiz %d AC %d "
3811 "htparam 0x%x\n", __func__, error, bufsiz,
3812 tap->txa_ac, ni->ni_htparam);
3813 sc->sc_stats.mst_bacreate_failed++;
3816 /* NB: cache txq to avoid ptr indirect */
3817 mwl_bastream_setup(bas, tap->txa_ac, bas->bastream->txq);
3818 DPRINTF(sc, MWL_DEBUG_AMPDU,
3819 "%s: bastream %p assigned to txq %d AC %d bufsiz %d "
3820 "htparam 0x%x\n", __func__, bas->bastream,
3821 bas->txq, tap->txa_ac, bufsiz, ni->ni_htparam);
3824 * Other side NAK'd us; return the resources.
3826 DPRINTF(sc, MWL_DEBUG_AMPDU,
3827 "%s: request failed with code %d, destroy bastream %p\n",
3828 __func__, code, bas->bastream);
3829 mwl_hal_bastream_destroy(sc->sc_mh, bas->bastream);
3830 mwl_bastream_free(bas);
3831 tap->txa_private = NULL;
3833 /* NB: firmware sends BAR so we don't need to */
3834 return sc->sc_addba_response(ni, tap, code, baparamset, batimeout);
3838 mwl_addba_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap)
3840 struct mwl_softc *sc = ni->ni_ic->ic_ifp->if_softc;
3841 struct mwl_bastate *bas;
3843 bas = tap->txa_private;
3845 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: destroy bastream %p\n",
3846 __func__, bas->bastream);
3847 mwl_hal_bastream_destroy(sc->sc_mh, bas->bastream);
3848 mwl_bastream_free(bas);
3849 tap->txa_private = NULL;
3851 sc->sc_addba_stop(ni, tap);
3855 * Setup the rx data structures. This should only be
3856 * done once or we may get out of sync with the firmware.
3859 mwl_startrecv(struct mwl_softc *sc)
3861 if (!sc->sc_recvsetup) {
3862 struct mwl_rxbuf *bf, *prev;
3863 struct mwl_rxdesc *ds;
3866 STAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
3867 int error = mwl_rxbuf_init(sc, bf);
3869 DPRINTF(sc, MWL_DEBUG_RECV,
3870 "%s: mwl_rxbuf_init failed %d\n",
3876 ds->pPhysNext = htole32(bf->bf_daddr);
3883 htole32(STAILQ_FIRST(&sc->sc_rxbuf)->bf_daddr);
3885 sc->sc_recvsetup = 1;
3887 mwl_mode_init(sc); /* set filters, etc. */
3891 static MWL_HAL_APMODE
3892 mwl_getapmode(const struct ieee80211vap *vap, struct ieee80211_channel *chan)
3894 MWL_HAL_APMODE mode;
3896 if (IEEE80211_IS_CHAN_HT(chan)) {
3897 if (vap->iv_flags_ht & IEEE80211_FHT_PUREN)
3898 mode = AP_MODE_N_ONLY;
3899 else if (IEEE80211_IS_CHAN_5GHZ(chan))
3900 mode = AP_MODE_AandN;
3901 else if (vap->iv_flags & IEEE80211_F_PUREG)
3902 mode = AP_MODE_GandN;
3904 mode = AP_MODE_BandGandN;
3905 } else if (IEEE80211_IS_CHAN_ANYG(chan)) {
3906 if (vap->iv_flags & IEEE80211_F_PUREG)
3907 mode = AP_MODE_G_ONLY;
3909 mode = AP_MODE_MIXED;
3910 } else if (IEEE80211_IS_CHAN_B(chan))
3911 mode = AP_MODE_B_ONLY;
3912 else if (IEEE80211_IS_CHAN_A(chan))
3913 mode = AP_MODE_A_ONLY;
3915 mode = AP_MODE_MIXED; /* XXX should not happen? */
3920 mwl_setapmode(struct ieee80211vap *vap, struct ieee80211_channel *chan)
3922 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
3923 return mwl_hal_setapmode(hvap, mwl_getapmode(vap, chan));
3927 * Set/change channels.
3930 mwl_chan_set(struct mwl_softc *sc, struct ieee80211_channel *chan)
3932 struct mwl_hal *mh = sc->sc_mh;
3933 struct ifnet *ifp = sc->sc_ifp;
3934 struct ieee80211com *ic = ifp->if_l2com;
3935 MWL_HAL_CHANNEL hchan;
3938 DPRINTF(sc, MWL_DEBUG_RESET, "%s: chan %u MHz/flags 0x%x\n",
3939 __func__, chan->ic_freq, chan->ic_flags);
3942 * Convert to a HAL channel description with
3943 * the flags constrained to reflect the current
3946 mwl_mapchan(&hchan, chan);
3947 mwl_hal_intrset(mh, 0); /* disable interrupts */
3949 mwl_draintxq(sc); /* clear pending tx frames */
3951 mwl_hal_setchannel(mh, &hchan);
3953 * Tx power is cap'd by the regulatory setting and
3954 * possibly a user-set limit. We pass the min of
3955 * these to the hal to apply them to the cal data
3959 maxtxpow = 2*chan->ic_maxregpower;
3960 if (maxtxpow > ic->ic_txpowlimit)
3961 maxtxpow = ic->ic_txpowlimit;
3962 mwl_hal_settxpower(mh, &hchan, maxtxpow / 2);
3963 /* NB: potentially change mcast/mgt rates */
3964 mwl_setcurchanrates(sc);
3967 * Update internal state.
3969 sc->sc_tx_th.wt_chan_freq = htole16(chan->ic_freq);
3970 sc->sc_rx_th.wr_chan_freq = htole16(chan->ic_freq);
3971 if (IEEE80211_IS_CHAN_A(chan)) {
3972 sc->sc_tx_th.wt_chan_flags = htole16(IEEE80211_CHAN_A);
3973 sc->sc_rx_th.wr_chan_flags = htole16(IEEE80211_CHAN_A);
3974 } else if (IEEE80211_IS_CHAN_ANYG(chan)) {
3975 sc->sc_tx_th.wt_chan_flags = htole16(IEEE80211_CHAN_G);
3976 sc->sc_rx_th.wr_chan_flags = htole16(IEEE80211_CHAN_G);
3978 sc->sc_tx_th.wt_chan_flags = htole16(IEEE80211_CHAN_B);
3979 sc->sc_rx_th.wr_chan_flags = htole16(IEEE80211_CHAN_B);
3981 sc->sc_curchan = hchan;
3982 mwl_hal_intrset(mh, sc->sc_imask);
3988 mwl_scan_start(struct ieee80211com *ic)
3990 struct ifnet *ifp = ic->ic_ifp;
3991 struct mwl_softc *sc = ifp->if_softc;
3993 DPRINTF(sc, MWL_DEBUG_STATE, "%s\n", __func__);
3997 mwl_scan_end(struct ieee80211com *ic)
3999 struct ifnet *ifp = ic->ic_ifp;
4000 struct mwl_softc *sc = ifp->if_softc;
4002 DPRINTF(sc, MWL_DEBUG_STATE, "%s\n", __func__);
4006 mwl_set_channel(struct ieee80211com *ic)
4008 struct ifnet *ifp = ic->ic_ifp;
4009 struct mwl_softc *sc = ifp->if_softc;
4011 (void) mwl_chan_set(sc, ic->ic_curchan);
4015 * Handle a channel switch request. We inform the firmware
4016 * and mark the global state to suppress various actions.
4017 * NB: we issue only one request to the fw; we may be called
4018 * multiple times if there are multiple vap's.
4021 mwl_startcsa(struct ieee80211vap *vap)
4023 struct ieee80211com *ic = vap->iv_ic;
4024 struct mwl_softc *sc = ic->ic_ifp->if_softc;
4025 MWL_HAL_CHANNEL hchan;
4027 if (sc->sc_csapending)
4030 mwl_mapchan(&hchan, ic->ic_csa_newchan);
4031 /* 1 =>'s quiet channel */
4032 mwl_hal_setchannelswitchie(sc->sc_mh, &hchan, 1, ic->ic_csa_count);
4033 sc->sc_csapending = 1;
4037 * Plumb any static WEP key for the station. This is
4038 * necessary as we must propagate the key from the
4039 * global key table of the vap to each sta db entry.
4042 mwl_setanywepkey(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
4044 if ((vap->iv_flags & (IEEE80211_F_PRIVACY|IEEE80211_F_WPA)) ==
4045 IEEE80211_F_PRIVACY &&
4046 vap->iv_def_txkey != IEEE80211_KEYIX_NONE &&
4047 vap->iv_nw_keys[vap->iv_def_txkey].wk_keyix != IEEE80211_KEYIX_NONE)
4048 (void) mwl_key_set(vap, &vap->iv_nw_keys[vap->iv_def_txkey], mac);
4052 mwl_peerstadb(struct ieee80211_node *ni, int aid, int staid, MWL_HAL_PEERINFO *pi)
4054 #define WME(ie) ((const struct ieee80211_wme_info *) ie)
4055 struct ieee80211vap *vap = ni->ni_vap;
4056 struct mwl_hal_vap *hvap;
4059 if (vap->iv_opmode == IEEE80211_M_WDS) {
4061 * WDS vap's do not have a f/w vap; instead they piggyback
4062 * on an AP vap and we must install the sta db entry and
4063 * crypto state using that AP's handle (the WDS vap has none).
4065 hvap = MWL_VAP(vap)->mv_ap_hvap;
4067 hvap = MWL_VAP(vap)->mv_hvap;
4068 error = mwl_hal_newstation(hvap, ni->ni_macaddr,
4070 ni->ni_flags & (IEEE80211_NODE_QOS | IEEE80211_NODE_HT),
4071 ni->ni_ies.wme_ie != NULL ? WME(ni->ni_ies.wme_ie)->wme_info : 0);
4074 * Setup security for this station. For sta mode this is
4075 * needed even though do the same thing on transition to
4076 * AUTH state because the call to mwl_hal_newstation
4077 * clobbers the crypto state we setup.
4079 mwl_setanywepkey(vap, ni->ni_macaddr);
4086 mwl_setglobalkeys(struct ieee80211vap *vap)
4088 struct ieee80211_key *wk;
4090 wk = &vap->iv_nw_keys[0];
4091 for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID]; wk++)
4092 if (wk->wk_keyix != IEEE80211_KEYIX_NONE)
4093 (void) mwl_key_set(vap, wk, vap->iv_myaddr);
4097 * Convert a legacy rate set to a firmware bitmask.
4100 get_rate_bitmap(const struct ieee80211_rateset *rs)
4106 for (i = 0; i < rs->rs_nrates; i++)
4107 switch (rs->rs_rates[i] & IEEE80211_RATE_VAL) {
4108 case 2: rates |= 0x001; break;
4109 case 4: rates |= 0x002; break;
4110 case 11: rates |= 0x004; break;
4111 case 22: rates |= 0x008; break;
4112 case 44: rates |= 0x010; break;
4113 case 12: rates |= 0x020; break;
4114 case 18: rates |= 0x040; break;
4115 case 24: rates |= 0x080; break;
4116 case 36: rates |= 0x100; break;
4117 case 48: rates |= 0x200; break;
4118 case 72: rates |= 0x400; break;
4119 case 96: rates |= 0x800; break;
4120 case 108: rates |= 0x1000; break;
4126 * Construct an HT firmware bitmask from an HT rate set.
4129 get_htrate_bitmap(const struct ieee80211_htrateset *rs)
4135 for (i = 0; i < rs->rs_nrates; i++) {
4136 if (rs->rs_rates[i] < 16)
4137 rates |= 1<<rs->rs_rates[i];
4143 * Craft station database entry for station.
4144 * NB: use host byte order here, the hal handles byte swapping.
4146 static MWL_HAL_PEERINFO *
4147 mkpeerinfo(MWL_HAL_PEERINFO *pi, const struct ieee80211_node *ni)
4149 const struct ieee80211vap *vap = ni->ni_vap;
4151 memset(pi, 0, sizeof(*pi));
4152 pi->LegacyRateBitMap = get_rate_bitmap(&ni->ni_rates);
4153 pi->CapInfo = ni->ni_capinfo;
4154 if (ni->ni_flags & IEEE80211_NODE_HT) {
4155 /* HT capabilities, etc */
4156 pi->HTCapabilitiesInfo = ni->ni_htcap;
4157 /* XXX pi.HTCapabilitiesInfo */
4158 pi->MacHTParamInfo = ni->ni_htparam;
4159 pi->HTRateBitMap = get_htrate_bitmap(&ni->ni_htrates);
4160 pi->AddHtInfo.ControlChan = ni->ni_htctlchan;
4161 pi->AddHtInfo.AddChan = ni->ni_ht2ndchan;
4162 pi->AddHtInfo.OpMode = ni->ni_htopmode;
4163 pi->AddHtInfo.stbc = ni->ni_htstbc;
4165 /* constrain according to local configuration */
4166 if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) == 0)
4167 pi->HTCapabilitiesInfo &= ~IEEE80211_HTCAP_SHORTGI40;
4168 if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) == 0)
4169 pi->HTCapabilitiesInfo &= ~IEEE80211_HTCAP_SHORTGI20;
4170 if (ni->ni_chw != 40)
4171 pi->HTCapabilitiesInfo &= ~IEEE80211_HTCAP_CHWIDTH40;
4177 * Re-create the local sta db entry for a vap to ensure
4178 * up to date WME state is pushed to the firmware. Because
4179 * this resets crypto state this must be followed by a
4180 * reload of any keys in the global key table.
4183 mwl_localstadb(struct ieee80211vap *vap)
4185 #define WME(ie) ((const struct ieee80211_wme_info *) ie)
4186 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
4187 struct ieee80211_node *bss;
4188 MWL_HAL_PEERINFO pi;
4191 switch (vap->iv_opmode) {
4192 case IEEE80211_M_STA:
4194 error = mwl_hal_newstation(hvap, vap->iv_myaddr, 0, 0,
4195 vap->iv_state == IEEE80211_S_RUN ?
4196 mkpeerinfo(&pi, bss) : NULL,
4197 (bss->ni_flags & (IEEE80211_NODE_QOS | IEEE80211_NODE_HT)),
4198 bss->ni_ies.wme_ie != NULL ?
4199 WME(bss->ni_ies.wme_ie)->wme_info : 0);
4201 mwl_setglobalkeys(vap);
4203 case IEEE80211_M_HOSTAP:
4204 case IEEE80211_M_MBSS:
4205 error = mwl_hal_newstation(hvap, vap->iv_myaddr,
4206 0, 0, NULL, vap->iv_flags & IEEE80211_F_WME, 0);
4208 mwl_setglobalkeys(vap);
4219 mwl_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
4221 struct mwl_vap *mvp = MWL_VAP(vap);
4222 struct mwl_hal_vap *hvap = mvp->mv_hvap;
4223 struct ieee80211com *ic = vap->iv_ic;
4224 struct ieee80211_node *ni = NULL;
4225 struct ifnet *ifp = ic->ic_ifp;
4226 struct mwl_softc *sc = ifp->if_softc;
4227 struct mwl_hal *mh = sc->sc_mh;
4228 enum ieee80211_state ostate = vap->iv_state;
4231 DPRINTF(sc, MWL_DEBUG_STATE, "%s: %s: %s -> %s\n",
4232 vap->iv_ifp->if_xname, __func__,
4233 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
4235 callout_stop(&sc->sc_timer);
4237 * Clear current radar detection state.
4239 if (ostate == IEEE80211_S_CAC) {
4240 /* stop quiet mode radar detection */
4241 mwl_hal_setradardetection(mh, DR_CHK_CHANNEL_AVAILABLE_STOP);
4242 } else if (sc->sc_radarena) {
4243 /* stop in-service radar detection */
4244 mwl_hal_setradardetection(mh, DR_DFS_DISABLE);
4245 sc->sc_radarena = 0;
4248 * Carry out per-state actions before doing net80211 work.
4250 if (nstate == IEEE80211_S_INIT) {
4251 /* NB: only ap+sta vap's have a fw entity */
4254 } else if (nstate == IEEE80211_S_SCAN) {
4255 mwl_hal_start(hvap);
4256 /* NB: this disables beacon frames */
4257 mwl_hal_setinframode(hvap);
4258 } else if (nstate == IEEE80211_S_AUTH) {
4260 * Must create a sta db entry in case a WEP key needs to
4261 * be plumbed. This entry will be overwritten if we
4262 * associate; otherwise it will be reclaimed on node free.
4265 MWL_NODE(ni)->mn_hvap = hvap;
4266 (void) mwl_peerstadb(ni, 0, 0, NULL);
4267 } else if (nstate == IEEE80211_S_CSA) {
4268 /* XXX move to below? */
4269 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
4270 vap->iv_opmode == IEEE80211_M_MBSS)
4272 } else if (nstate == IEEE80211_S_CAC) {
4273 /* XXX move to below? */
4274 /* stop ap xmit and enable quiet mode radar detection */
4275 mwl_hal_setradardetection(mh, DR_CHK_CHANNEL_AVAILABLE_START);
4279 * Invoke the parent method to do net80211 work.
4281 error = mvp->mv_newstate(vap, nstate, arg);
4284 * Carry out work that must be done after net80211 runs;
4285 * this work requires up to date state (e.g. iv_bss).
4287 if (error == 0 && nstate == IEEE80211_S_RUN) {
4288 /* NB: collect bss node again, it may have changed */
4291 DPRINTF(sc, MWL_DEBUG_STATE,
4292 "%s: %s(RUN): iv_flags 0x%08x bintvl %d bssid %s "
4293 "capinfo 0x%04x chan %d\n",
4294 vap->iv_ifp->if_xname, __func__, vap->iv_flags,
4295 ni->ni_intval, ether_sprintf(ni->ni_bssid), ni->ni_capinfo,
4296 ieee80211_chan2ieee(ic, ic->ic_curchan));
4299 * Recreate local sta db entry to update WME/HT state.
4301 mwl_localstadb(vap);
4302 switch (vap->iv_opmode) {
4303 case IEEE80211_M_HOSTAP:
4304 case IEEE80211_M_MBSS:
4305 if (ostate == IEEE80211_S_CAC) {
4306 /* enable in-service radar detection */
4307 mwl_hal_setradardetection(mh,
4308 DR_IN_SERVICE_MONITOR_START);
4309 sc->sc_radarena = 1;
4312 * Allocate and setup the beacon frame
4313 * (and related state).
4315 error = mwl_reset_vap(vap, IEEE80211_S_RUN);
4317 DPRINTF(sc, MWL_DEBUG_STATE,
4318 "%s: beacon setup failed, error %d\n",
4322 /* NB: must be after setting up beacon */
4323 mwl_hal_start(hvap);
4325 case IEEE80211_M_STA:
4326 DPRINTF(sc, MWL_DEBUG_STATE, "%s: %s: aid 0x%x\n",
4327 vap->iv_ifp->if_xname, __func__, ni->ni_associd);
4329 * Set state now that we're associated.
4331 mwl_hal_setassocid(hvap, ni->ni_bssid, ni->ni_associd);
4333 mwl_hal_setrtsthreshold(hvap, vap->iv_rtsthreshold);
4334 if ((vap->iv_flags & IEEE80211_F_DWDS) &&
4335 sc->sc_ndwdsvaps++ == 0)
4336 mwl_hal_setdwds(mh, 1);
4338 case IEEE80211_M_WDS:
4339 DPRINTF(sc, MWL_DEBUG_STATE, "%s: %s: bssid %s\n",
4340 vap->iv_ifp->if_xname, __func__,
4341 ether_sprintf(ni->ni_bssid));
4342 mwl_seteapolformat(vap);
4348 * Set CS mode according to operating channel;
4349 * this mostly an optimization for 5GHz.
4351 * NB: must follow mwl_hal_start which resets csmode
4353 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan))
4354 mwl_hal_setcsmode(mh, CSMODE_AGGRESSIVE);
4356 mwl_hal_setcsmode(mh, CSMODE_AUTO_ENA);
4358 * Start timer to prod firmware.
4360 if (sc->sc_ageinterval != 0)
4361 callout_reset(&sc->sc_timer, sc->sc_ageinterval*hz,
4362 mwl_agestations, sc);
4363 } else if (nstate == IEEE80211_S_SLEEP) {
4364 /* XXX set chip in power save */
4365 } else if ((vap->iv_flags & IEEE80211_F_DWDS) &&
4366 --sc->sc_ndwdsvaps == 0)
4367 mwl_hal_setdwds(mh, 0);
4373 * Manage station id's; these are separate from AID's
4374 * as AID's may have values out of the range of possible
4375 * station id's acceptable to the firmware.
4378 allocstaid(struct mwl_softc *sc, int aid)
4382 if (!(0 < aid && aid < MWL_MAXSTAID) || isset(sc->sc_staid, aid)) {
4383 /* NB: don't use 0 */
4384 for (staid = 1; staid < MWL_MAXSTAID; staid++)
4385 if (isclr(sc->sc_staid, staid))
4389 setbit(sc->sc_staid, staid);
4394 delstaid(struct mwl_softc *sc, int staid)
4396 clrbit(sc->sc_staid, staid);
4400 * Setup driver-specific state for a newly associated node.
4401 * Note that we're called also on a re-associate, the isnew
4402 * param tells us if this is the first time or not.
4405 mwl_newassoc(struct ieee80211_node *ni, int isnew)
4407 struct ieee80211vap *vap = ni->ni_vap;
4408 struct mwl_softc *sc = vap->iv_ic->ic_ifp->if_softc;
4409 struct mwl_node *mn = MWL_NODE(ni);
4410 MWL_HAL_PEERINFO pi;
4414 aid = IEEE80211_AID(ni->ni_associd);
4416 mn->mn_staid = allocstaid(sc, aid);
4417 mn->mn_hvap = MWL_VAP(vap)->mv_hvap;
4420 /* XXX reset BA stream? */
4422 DPRINTF(sc, MWL_DEBUG_NODE, "%s: mac %s isnew %d aid %d staid %d\n",
4423 __func__, ether_sprintf(ni->ni_macaddr), isnew, aid, mn->mn_staid);
4424 error = mwl_peerstadb(ni, aid, mn->mn_staid, mkpeerinfo(&pi, ni));
4426 DPRINTF(sc, MWL_DEBUG_NODE,
4427 "%s: error %d creating sta db entry\n",
4429 /* XXX how to deal with error? */
4434 * Periodically poke the firmware to age out station state
4435 * (power save queues, pending tx aggregates).
4438 mwl_agestations(void *arg)
4440 struct mwl_softc *sc = arg;
4442 mwl_hal_setkeepalive(sc->sc_mh);
4443 if (sc->sc_ageinterval != 0) /* NB: catch dynamic changes */
4444 callout_schedule(&sc->sc_timer, sc->sc_ageinterval*hz);
4447 static const struct mwl_hal_channel *
4448 findhalchannel(const MWL_HAL_CHANNELINFO *ci, int ieee)
4452 for (i = 0; i < ci->nchannels; i++) {
4453 const struct mwl_hal_channel *hc = &ci->channels[i];
4454 if (hc->ieee == ieee)
4461 mwl_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd,
4462 int nchan, struct ieee80211_channel chans[])
4464 struct mwl_softc *sc = ic->ic_ifp->if_softc;
4465 struct mwl_hal *mh = sc->sc_mh;
4466 const MWL_HAL_CHANNELINFO *ci;
4469 for (i = 0; i < nchan; i++) {
4470 struct ieee80211_channel *c = &chans[i];
4471 const struct mwl_hal_channel *hc;
4473 if (IEEE80211_IS_CHAN_2GHZ(c)) {
4474 mwl_hal_getchannelinfo(mh, MWL_FREQ_BAND_2DOT4GHZ,
4475 IEEE80211_IS_CHAN_HT40(c) ?
4476 MWL_CH_40_MHz_WIDTH : MWL_CH_20_MHz_WIDTH, &ci);
4477 } else if (IEEE80211_IS_CHAN_5GHZ(c)) {
4478 mwl_hal_getchannelinfo(mh, MWL_FREQ_BAND_5GHZ,
4479 IEEE80211_IS_CHAN_HT40(c) ?
4480 MWL_CH_40_MHz_WIDTH : MWL_CH_20_MHz_WIDTH, &ci);
4482 if_printf(ic->ic_ifp,
4483 "%s: channel %u freq %u/0x%x not 2.4/5GHz\n",
4484 __func__, c->ic_ieee, c->ic_freq, c->ic_flags);
4488 * Verify channel has cal data and cap tx power.
4490 hc = findhalchannel(ci, c->ic_ieee);
4492 if (c->ic_maxpower > 2*hc->maxTxPow)
4493 c->ic_maxpower = 2*hc->maxTxPow;
4496 if (IEEE80211_IS_CHAN_HT40(c)) {
4498 * Look for the extension channel since the
4499 * hal table only has the primary channel.
4501 hc = findhalchannel(ci, c->ic_extieee);
4503 if (c->ic_maxpower > 2*hc->maxTxPow)
4504 c->ic_maxpower = 2*hc->maxTxPow;
4508 if_printf(ic->ic_ifp,
4509 "%s: no cal data for channel %u ext %u freq %u/0x%x\n",
4510 __func__, c->ic_ieee, c->ic_extieee,
4511 c->ic_freq, c->ic_flags);
4519 #define IEEE80211_CHAN_HTG (IEEE80211_CHAN_HT|IEEE80211_CHAN_G)
4520 #define IEEE80211_CHAN_HTA (IEEE80211_CHAN_HT|IEEE80211_CHAN_A)
4523 addchan(struct ieee80211_channel *c, int freq, int flags, int ieee, int txpow)
4526 c->ic_flags = flags;
4529 c->ic_maxpower = 2*txpow;
4530 c->ic_maxregpower = txpow;
4533 static const struct ieee80211_channel *
4534 findchannel(const struct ieee80211_channel chans[], int nchans,
4535 int freq, int flags)
4537 const struct ieee80211_channel *c;
4540 for (i = 0; i < nchans; i++) {
4542 if (c->ic_freq == freq && c->ic_flags == flags)
4549 addht40channels(struct ieee80211_channel chans[], int maxchans, int *nchans,
4550 const MWL_HAL_CHANNELINFO *ci, int flags)
4552 struct ieee80211_channel *c;
4553 const struct ieee80211_channel *extc;
4554 const struct mwl_hal_channel *hc;
4557 c = &chans[*nchans];
4559 flags &= ~IEEE80211_CHAN_HT;
4560 for (i = 0; i < ci->nchannels; i++) {
4562 * Each entry defines an HT40 channel pair; find the
4563 * extension channel above and the insert the pair.
4565 hc = &ci->channels[i];
4566 extc = findchannel(chans, *nchans, hc->freq+20,
4567 flags | IEEE80211_CHAN_HT20);
4569 if (*nchans >= maxchans)
4571 addchan(c, hc->freq, flags | IEEE80211_CHAN_HT40U,
4572 hc->ieee, hc->maxTxPow);
4573 c->ic_extieee = extc->ic_ieee;
4575 if (*nchans >= maxchans)
4577 addchan(c, extc->ic_freq, flags | IEEE80211_CHAN_HT40D,
4578 extc->ic_ieee, hc->maxTxPow);
4579 c->ic_extieee = hc->ieee;
4586 addchannels(struct ieee80211_channel chans[], int maxchans, int *nchans,
4587 const MWL_HAL_CHANNELINFO *ci, int flags)
4589 struct ieee80211_channel *c;
4592 c = &chans[*nchans];
4594 for (i = 0; i < ci->nchannels; i++) {
4595 const struct mwl_hal_channel *hc;
4597 hc = &ci->channels[i];
4598 if (*nchans >= maxchans)
4600 addchan(c, hc->freq, flags, hc->ieee, hc->maxTxPow);
4602 if (flags == IEEE80211_CHAN_G || flags == IEEE80211_CHAN_HTG) {
4603 /* g channel have a separate b-only entry */
4604 if (*nchans >= maxchans)
4607 c[-1].ic_flags = IEEE80211_CHAN_B;
4610 if (flags == IEEE80211_CHAN_HTG) {
4611 /* HT g channel have a separate g-only entry */
4612 if (*nchans >= maxchans)
4614 c[-1].ic_flags = IEEE80211_CHAN_G;
4616 c[0].ic_flags &= ~IEEE80211_CHAN_HT;
4617 c[0].ic_flags |= IEEE80211_CHAN_HT20; /* HT20 */
4620 if (flags == IEEE80211_CHAN_HTA) {
4621 /* HT a channel have a separate a-only entry */
4622 if (*nchans >= maxchans)
4624 c[-1].ic_flags = IEEE80211_CHAN_A;
4626 c[0].ic_flags &= ~IEEE80211_CHAN_HT;
4627 c[0].ic_flags |= IEEE80211_CHAN_HT20; /* HT20 */
4634 getchannels(struct mwl_softc *sc, int maxchans, int *nchans,
4635 struct ieee80211_channel chans[])
4637 const MWL_HAL_CHANNELINFO *ci;
4640 * Use the channel info from the hal to craft the
4641 * channel list. Note that we pass back an unsorted
4642 * list; the caller is required to sort it for us
4646 if (mwl_hal_getchannelinfo(sc->sc_mh,
4647 MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0)
4648 addchannels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTG);
4649 if (mwl_hal_getchannelinfo(sc->sc_mh,
4650 MWL_FREQ_BAND_5GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0)
4651 addchannels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTA);
4652 if (mwl_hal_getchannelinfo(sc->sc_mh,
4653 MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0)
4654 addht40channels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTG);
4655 if (mwl_hal_getchannelinfo(sc->sc_mh,
4656 MWL_FREQ_BAND_5GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0)
4657 addht40channels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTA);
4661 mwl_getradiocaps(struct ieee80211com *ic,
4662 int maxchans, int *nchans, struct ieee80211_channel chans[])
4664 struct mwl_softc *sc = ic->ic_ifp->if_softc;
4666 getchannels(sc, maxchans, nchans, chans);
4670 mwl_getchannels(struct mwl_softc *sc)
4672 struct ifnet *ifp = sc->sc_ifp;
4673 struct ieee80211com *ic = ifp->if_l2com;
4676 * Use the channel info from the hal to craft the
4677 * channel list for net80211. Note that we pass up
4678 * an unsorted list; net80211 will sort it for us.
4680 memset(ic->ic_channels, 0, sizeof(ic->ic_channels));
4682 getchannels(sc, IEEE80211_CHAN_MAX, &ic->ic_nchans, ic->ic_channels);
4684 ic->ic_regdomain.regdomain = SKU_DEBUG;
4685 ic->ic_regdomain.country = CTRY_DEFAULT;
4686 ic->ic_regdomain.location = 'I';
4687 ic->ic_regdomain.isocc[0] = ' '; /* XXX? */
4688 ic->ic_regdomain.isocc[1] = ' ';
4689 return (ic->ic_nchans == 0 ? EIO : 0);
4691 #undef IEEE80211_CHAN_HTA
4692 #undef IEEE80211_CHAN_HTG
4696 mwl_printrxbuf(const struct mwl_rxbuf *bf, u_int ix)
4698 const struct mwl_rxdesc *ds = bf->bf_desc;
4699 uint32_t status = le32toh(ds->Status);
4701 printf("R[%2u] (DS.V:%p DS.P:%p) NEXT:%08x DATA:%08x RC:%02x%s\n"
4702 " STAT:%02x LEN:%04x RSSI:%02x CHAN:%02x RATE:%02x QOS:%04x HT:%04x\n",
4703 ix, ds, (const struct mwl_desc *)bf->bf_daddr,
4704 le32toh(ds->pPhysNext), le32toh(ds->pPhysBuffData),
4706 ds->RxControl != EAGLE_RXD_CTRL_DRIVER_OWN ?
4707 "" : (status & EAGLE_RXD_STATUS_OK) ? " *" : " !",
4708 ds->Status, le16toh(ds->PktLen), ds->RSSI, ds->Channel,
4709 ds->Rate, le16toh(ds->QosCtrl), le16toh(ds->HtSig2));
4713 mwl_printtxbuf(const struct mwl_txbuf *bf, u_int qnum, u_int ix)
4715 const struct mwl_txdesc *ds = bf->bf_desc;
4716 uint32_t status = le32toh(ds->Status);
4718 printf("Q%u[%3u]", qnum, ix);
4719 printf(" (DS.V:%p DS.P:%p)\n",
4720 ds, (const struct mwl_txdesc *)bf->bf_daddr);
4721 printf(" NEXT:%08x DATA:%08x LEN:%04x STAT:%08x%s\n",
4722 le32toh(ds->pPhysNext),
4723 le32toh(ds->PktPtr), le16toh(ds->PktLen), status,
4724 status & EAGLE_TXD_STATUS_USED ?
4725 "" : (status & 3) != 0 ? " *" : " !");
4726 printf(" RATE:%02x PRI:%x QOS:%04x SAP:%08x FORMAT:%04x\n",
4727 ds->DataRate, ds->TxPriority, le16toh(ds->QosCtrl),
4728 le32toh(ds->SapPktInfo), le16toh(ds->Format));
4730 printf(" MULTIFRAMES:%u LEN:%04x %04x %04x %04x %04x %04x\n"
4731 , le32toh(ds->multiframes)
4732 , le16toh(ds->PktLenArray[0]), le16toh(ds->PktLenArray[1])
4733 , le16toh(ds->PktLenArray[2]), le16toh(ds->PktLenArray[3])
4734 , le16toh(ds->PktLenArray[4]), le16toh(ds->PktLenArray[5])
4736 printf(" DATA:%08x %08x %08x %08x %08x %08x\n"
4737 , le32toh(ds->PktPtrArray[0]), le32toh(ds->PktPtrArray[1])
4738 , le32toh(ds->PktPtrArray[2]), le32toh(ds->PktPtrArray[3])
4739 , le32toh(ds->PktPtrArray[4]), le32toh(ds->PktPtrArray[5])
4743 { const uint8_t *cp = (const uint8_t *) ds;
4745 for (i = 0; i < sizeof(struct mwl_txdesc); i++) {
4746 printf("%02x ", cp[i]);
4747 if (((i+1) % 16) == 0)
4754 #endif /* MWL_DEBUG */
4758 mwl_txq_dump(struct mwl_txq *txq)
4760 struct mwl_txbuf *bf;
4764 STAILQ_FOREACH(bf, &txq->active, bf_list) {
4765 struct mwl_txdesc *ds = bf->bf_desc;
4766 MWL_TXDESC_SYNC(txq, ds,
4767 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
4769 mwl_printtxbuf(bf, txq->qnum, i);
4773 MWL_TXQ_UNLOCK(txq);
4778 mwl_watchdog(void *arg)
4780 struct mwl_softc *sc;
4784 callout_reset(&sc->sc_watchdog, hz, mwl_watchdog, sc);
4785 if (sc->sc_tx_timer == 0 || --sc->sc_tx_timer > 0)
4789 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) && !sc->sc_invalid) {
4790 if (mwl_hal_setkeepalive(sc->sc_mh))
4791 if_printf(ifp, "transmit timeout (firmware hung?)\n");
4793 if_printf(ifp, "transmit timeout\n");
4796 mwl_txq_dump(&sc->sc_txq[0]);/*XXX*/
4799 sc->sc_stats.mst_watchdog++;
4805 * Diagnostic interface to the HAL. This is used by various
4806 * tools to do things like retrieve register contents for
4807 * debugging. The mechanism is intentionally opaque so that
4808 * it can change frequently w/o concern for compatiblity.
4811 mwl_ioctl_diag(struct mwl_softc *sc, struct mwl_diag *md)
4813 struct mwl_hal *mh = sc->sc_mh;
4814 u_int id = md->md_id & MWL_DIAG_ID;
4815 void *indata = NULL;
4816 void *outdata = NULL;
4817 u_int32_t insize = md->md_in_size;
4818 u_int32_t outsize = md->md_out_size;
4821 if (md->md_id & MWL_DIAG_IN) {
4825 indata = malloc(insize, M_TEMP, M_NOWAIT);
4826 if (indata == NULL) {
4830 error = copyin(md->md_in_data, indata, insize);
4834 if (md->md_id & MWL_DIAG_DYN) {
4836 * Allocate a buffer for the results (otherwise the HAL
4837 * returns a pointer to a buffer where we can read the
4838 * results). Note that we depend on the HAL leaving this
4839 * pointer for us to use below in reclaiming the buffer;
4840 * may want to be more defensive.
4842 outdata = malloc(outsize, M_TEMP, M_NOWAIT);
4843 if (outdata == NULL) {
4848 if (mwl_hal_getdiagstate(mh, id, indata, insize, &outdata, &outsize)) {
4849 if (outsize < md->md_out_size)
4850 md->md_out_size = outsize;
4851 if (outdata != NULL)
4852 error = copyout(outdata, md->md_out_data,
4858 if ((md->md_id & MWL_DIAG_IN) && indata != NULL)
4859 free(indata, M_TEMP);
4860 if ((md->md_id & MWL_DIAG_DYN) && outdata != NULL)
4861 free(outdata, M_TEMP);
4866 mwl_ioctl_reset(struct mwl_softc *sc, struct mwl_diag *md)
4868 struct mwl_hal *mh = sc->sc_mh;
4871 MWL_LOCK_ASSERT(sc);
4873 if (md->md_id == 0 && mwl_hal_fwload(mh, NULL) != 0) {
4874 device_printf(sc->sc_dev, "unable to load firmware\n");
4877 if (mwl_hal_gethwspecs(mh, &sc->sc_hwspecs) != 0) {
4878 device_printf(sc->sc_dev, "unable to fetch h/w specs\n");
4881 error = mwl_setupdma(sc);
4883 /* NB: mwl_setupdma prints a msg */
4887 * Reset tx/rx data structures; after reload we must
4888 * re-start the driver's notion of the next xmit/recv.
4890 mwl_draintxq(sc); /* clear pending frames */
4891 mwl_resettxq(sc); /* rebuild tx q lists */
4892 sc->sc_rxnext = NULL; /* force rx to start at the list head */
4895 #endif /* MWL_DIAGAPI */
4898 mwl_ioctl(struct ifnet *ifp, u_long cmd, caddr_t data)
4900 #define IS_RUNNING(ifp) \
4901 ((ifp->if_flags & IFF_UP) && (ifp->if_drv_flags & IFF_DRV_RUNNING))
4902 struct mwl_softc *sc = ifp->if_softc;
4903 struct ieee80211com *ic = ifp->if_l2com;
4904 struct ifreq *ifr = (struct ifreq *)data;
4905 int error = 0, startall;
4911 if (IS_RUNNING(ifp)) {
4913 * To avoid rescanning another access point,
4914 * do not call mwl_init() here. Instead,
4915 * only reflect promisc mode settings.
4918 } else if (ifp->if_flags & IFF_UP) {
4920 * Beware of being called during attach/detach
4921 * to reset promiscuous mode. In that case we
4922 * will still be marked UP but not RUNNING.
4923 * However trying to re-init the interface
4924 * is the wrong thing to do as we've already
4925 * torn down much of our state. There's
4926 * probably a better way to deal with this.
4928 if (!sc->sc_invalid) {
4929 mwl_init_locked(sc); /* XXX lose error */
4933 mwl_stop_locked(ifp, 1);
4936 ieee80211_start_all(ic);
4939 mwl_hal_gethwstats(sc->sc_mh, &sc->sc_stats.hw_stats);
4940 /* NB: embed these numbers to get a consistent view */
4941 sc->sc_stats.mst_tx_packets = ifp->if_opackets;
4942 sc->sc_stats.mst_rx_packets = ifp->if_ipackets;
4944 * NB: Drop the softc lock in case of a page fault;
4945 * we'll accept any potential inconsisentcy in the
4946 * statistics. The alternative is to copy the data
4947 * to a local structure.
4949 return copyout(&sc->sc_stats,
4950 ifr->ifr_data, sizeof (sc->sc_stats));
4953 /* XXX check privs */
4954 return mwl_ioctl_diag(sc, (struct mwl_diag *) ifr);
4956 /* XXX check privs */
4958 error = mwl_ioctl_reset(sc,(struct mwl_diag *) ifr);
4961 #endif /* MWL_DIAGAPI */
4963 error = ifmedia_ioctl(ifp, ifr, &ic->ic_media, cmd);
4966 error = ether_ioctl(ifp, cmd, data);
4978 mwl_sysctl_debug(SYSCTL_HANDLER_ARGS)
4980 struct mwl_softc *sc = arg1;
4983 debug = sc->sc_debug | (mwl_hal_getdebug(sc->sc_mh) << 24);
4984 error = sysctl_handle_int(oidp, &debug, 0, req);
4985 if (error || !req->newptr)
4987 mwl_hal_setdebug(sc->sc_mh, debug >> 24);
4988 sc->sc_debug = debug & 0x00ffffff;
4991 #endif /* MWL_DEBUG */
4994 mwl_sysctlattach(struct mwl_softc *sc)
4997 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
4998 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
5000 sc->sc_debug = mwl_debug;
5001 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
5002 "debug", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
5003 mwl_sysctl_debug, "I", "control debugging printfs");
5008 * Announce various information on device/driver attach.
5011 mwl_announce(struct mwl_softc *sc)
5013 struct ifnet *ifp = sc->sc_ifp;
5015 if_printf(ifp, "Rev A%d hardware, v%d.%d.%d.%d firmware (regioncode %d)\n",
5016 sc->sc_hwspecs.hwVersion,
5017 (sc->sc_hwspecs.fwReleaseNumber>>24) & 0xff,
5018 (sc->sc_hwspecs.fwReleaseNumber>>16) & 0xff,
5019 (sc->sc_hwspecs.fwReleaseNumber>>8) & 0xff,
5020 (sc->sc_hwspecs.fwReleaseNumber>>0) & 0xff,
5021 sc->sc_hwspecs.regionCode);
5022 sc->sc_fwrelease = sc->sc_hwspecs.fwReleaseNumber;
5026 for (i = 0; i <= WME_AC_VO; i++) {
5027 struct mwl_txq *txq = sc->sc_ac2q[i];
5028 if_printf(ifp, "Use hw queue %u for %s traffic\n",
5029 txq->qnum, ieee80211_wme_acnames[i]);
5032 if (bootverbose || mwl_rxdesc != MWL_RXDESC)
5033 if_printf(ifp, "using %u rx descriptors\n", mwl_rxdesc);
5034 if (bootverbose || mwl_rxbuf != MWL_RXBUF)
5035 if_printf(ifp, "using %u rx buffers\n", mwl_rxbuf);
5036 if (bootverbose || mwl_txbuf != MWL_TXBUF)
5037 if_printf(ifp, "using %u tx buffers\n", mwl_txbuf);
5038 if (bootverbose && mwl_hal_ismbsscapable(sc->sc_mh))
5039 if_printf(ifp, "multi-bss support\n");
5040 #ifdef MWL_TX_NODROP
5042 if_printf(ifp, "no tx drop\n");