2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2007-2009 Sam Leffler, Errno Consulting
5 * Copyright (c) 2007-2008 Marvell Semiconductor, Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer,
13 * without modification.
14 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
15 * similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
16 * redistribution must be conditioned upon including a substantially
17 * similar Disclaimer requirement for further binary redistribution.
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
23 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
24 * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
25 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
28 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGES.
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
37 * Driver for the Marvell 88W8363 Wireless LAN controller.
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/sysctl.h>
48 #include <sys/malloc.h>
50 #include <sys/mutex.h>
51 #include <sys/kernel.h>
52 #include <sys/socket.h>
53 #include <sys/sockio.h>
54 #include <sys/errno.h>
55 #include <sys/callout.h>
57 #include <sys/endian.h>
58 #include <sys/kthread.h>
59 #include <sys/taskqueue.h>
61 #include <machine/bus.h>
64 #include <net/if_var.h>
65 #include <net/if_dl.h>
66 #include <net/if_media.h>
67 #include <net/if_types.h>
68 #include <net/if_arp.h>
69 #include <net/ethernet.h>
70 #include <net/if_llc.h>
74 #include <net80211/ieee80211_var.h>
75 #include <net80211/ieee80211_input.h>
76 #include <net80211/ieee80211_regdomain.h>
79 #include <netinet/in.h>
80 #include <netinet/if_ether.h>
83 #include <dev/mwl/if_mwlvar.h>
84 #include <dev/mwl/mwldiag.h>
86 /* idiomatic shorthands: MS = mask+shift, SM = shift+mask */
87 #define MS(v,x) (((v) & x) >> x##_S)
88 #define SM(v,x) (((v) << x##_S) & x)
90 static struct ieee80211vap *mwl_vap_create(struct ieee80211com *,
91 const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
92 const uint8_t [IEEE80211_ADDR_LEN],
93 const uint8_t [IEEE80211_ADDR_LEN]);
94 static void mwl_vap_delete(struct ieee80211vap *);
95 static int mwl_setupdma(struct mwl_softc *);
96 static int mwl_hal_reset(struct mwl_softc *sc);
97 static int mwl_init(struct mwl_softc *);
98 static void mwl_parent(struct ieee80211com *);
99 static int mwl_reset(struct ieee80211vap *, u_long);
100 static void mwl_stop(struct mwl_softc *);
101 static void mwl_start(struct mwl_softc *);
102 static int mwl_transmit(struct ieee80211com *, struct mbuf *);
103 static int mwl_raw_xmit(struct ieee80211_node *, struct mbuf *,
104 const struct ieee80211_bpf_params *);
105 static int mwl_media_change(struct ifnet *);
106 static void mwl_watchdog(void *);
107 static int mwl_ioctl(struct ieee80211com *, u_long, void *);
108 static void mwl_radar_proc(void *, int);
109 static void mwl_chanswitch_proc(void *, int);
110 static void mwl_bawatchdog_proc(void *, int);
111 static int mwl_key_alloc(struct ieee80211vap *,
112 struct ieee80211_key *,
113 ieee80211_keyix *, ieee80211_keyix *);
114 static int mwl_key_delete(struct ieee80211vap *,
115 const struct ieee80211_key *);
116 static int mwl_key_set(struct ieee80211vap *,
117 const struct ieee80211_key *);
118 static int _mwl_key_set(struct ieee80211vap *,
119 const struct ieee80211_key *,
120 const uint8_t mac[IEEE80211_ADDR_LEN]);
121 static int mwl_mode_init(struct mwl_softc *);
122 static void mwl_update_mcast(struct ieee80211com *);
123 static void mwl_update_promisc(struct ieee80211com *);
124 static void mwl_updateslot(struct ieee80211com *);
125 static int mwl_beacon_setup(struct ieee80211vap *);
126 static void mwl_beacon_update(struct ieee80211vap *, int);
127 #ifdef MWL_HOST_PS_SUPPORT
128 static void mwl_update_ps(struct ieee80211vap *, int);
129 static int mwl_set_tim(struct ieee80211_node *, int);
131 static int mwl_dma_setup(struct mwl_softc *);
132 static void mwl_dma_cleanup(struct mwl_softc *);
133 static struct ieee80211_node *mwl_node_alloc(struct ieee80211vap *,
134 const uint8_t [IEEE80211_ADDR_LEN]);
135 static void mwl_node_cleanup(struct ieee80211_node *);
136 static void mwl_node_drain(struct ieee80211_node *);
137 static void mwl_node_getsignal(const struct ieee80211_node *,
139 static void mwl_node_getmimoinfo(const struct ieee80211_node *,
140 struct ieee80211_mimo_info *);
141 static int mwl_rxbuf_init(struct mwl_softc *, struct mwl_rxbuf *);
142 static void mwl_rx_proc(void *, int);
143 static void mwl_txq_init(struct mwl_softc *sc, struct mwl_txq *, int);
144 static int mwl_tx_setup(struct mwl_softc *, int, int);
145 static int mwl_wme_update(struct ieee80211com *);
146 static void mwl_tx_cleanupq(struct mwl_softc *, struct mwl_txq *);
147 static void mwl_tx_cleanup(struct mwl_softc *);
148 static uint16_t mwl_calcformat(uint8_t rate, const struct ieee80211_node *);
149 static int mwl_tx_start(struct mwl_softc *, struct ieee80211_node *,
150 struct mwl_txbuf *, struct mbuf *);
151 static void mwl_tx_proc(void *, int);
152 static int mwl_chan_set(struct mwl_softc *, struct ieee80211_channel *);
153 static void mwl_draintxq(struct mwl_softc *);
154 static void mwl_cleartxq(struct mwl_softc *, struct ieee80211vap *);
155 static int mwl_recv_action(struct ieee80211_node *,
156 const struct ieee80211_frame *,
157 const uint8_t *, const uint8_t *);
158 static int mwl_addba_request(struct ieee80211_node *,
159 struct ieee80211_tx_ampdu *, int dialogtoken,
160 int baparamset, int batimeout);
161 static int mwl_addba_response(struct ieee80211_node *,
162 struct ieee80211_tx_ampdu *, int status,
163 int baparamset, int batimeout);
164 static void mwl_addba_stop(struct ieee80211_node *,
165 struct ieee80211_tx_ampdu *);
166 static int mwl_startrecv(struct mwl_softc *);
167 static MWL_HAL_APMODE mwl_getapmode(const struct ieee80211vap *,
168 struct ieee80211_channel *);
169 static int mwl_setapmode(struct ieee80211vap *, struct ieee80211_channel*);
170 static void mwl_scan_start(struct ieee80211com *);
171 static void mwl_scan_end(struct ieee80211com *);
172 static void mwl_set_channel(struct ieee80211com *);
173 static int mwl_peerstadb(struct ieee80211_node *,
174 int aid, int staid, MWL_HAL_PEERINFO *pi);
175 static int mwl_localstadb(struct ieee80211vap *);
176 static int mwl_newstate(struct ieee80211vap *, enum ieee80211_state, int);
177 static int allocstaid(struct mwl_softc *sc, int aid);
178 static void delstaid(struct mwl_softc *sc, int staid);
179 static void mwl_newassoc(struct ieee80211_node *, int);
180 static void mwl_agestations(void *);
181 static int mwl_setregdomain(struct ieee80211com *,
182 struct ieee80211_regdomain *, int,
183 struct ieee80211_channel []);
184 static void mwl_getradiocaps(struct ieee80211com *, int, int *,
185 struct ieee80211_channel []);
186 static int mwl_getchannels(struct mwl_softc *);
188 static void mwl_sysctlattach(struct mwl_softc *);
189 static void mwl_announce(struct mwl_softc *);
191 SYSCTL_NODE(_hw, OID_AUTO, mwl, CTLFLAG_RD, 0, "Marvell driver parameters");
193 static int mwl_rxdesc = MWL_RXDESC; /* # rx desc's to allocate */
194 SYSCTL_INT(_hw_mwl, OID_AUTO, rxdesc, CTLFLAG_RW, &mwl_rxdesc,
195 0, "rx descriptors allocated");
196 static int mwl_rxbuf = MWL_RXBUF; /* # rx buffers to allocate */
197 SYSCTL_INT(_hw_mwl, OID_AUTO, rxbuf, CTLFLAG_RWTUN, &mwl_rxbuf,
198 0, "rx buffers allocated");
199 static int mwl_txbuf = MWL_TXBUF; /* # tx buffers to allocate */
200 SYSCTL_INT(_hw_mwl, OID_AUTO, txbuf, CTLFLAG_RWTUN, &mwl_txbuf,
201 0, "tx buffers allocated");
202 static int mwl_txcoalesce = 8; /* # tx packets to q before poking f/w*/
203 SYSCTL_INT(_hw_mwl, OID_AUTO, txcoalesce, CTLFLAG_RWTUN, &mwl_txcoalesce,
204 0, "tx buffers to send at once");
205 static int mwl_rxquota = MWL_RXBUF; /* # max buffers to process */
206 SYSCTL_INT(_hw_mwl, OID_AUTO, rxquota, CTLFLAG_RWTUN, &mwl_rxquota,
207 0, "max rx buffers to process per interrupt");
208 static int mwl_rxdmalow = 3; /* # min buffers for wakeup */
209 SYSCTL_INT(_hw_mwl, OID_AUTO, rxdmalow, CTLFLAG_RWTUN, &mwl_rxdmalow,
210 0, "min free rx buffers before restarting traffic");
213 static int mwl_debug = 0;
214 SYSCTL_INT(_hw_mwl, OID_AUTO, debug, CTLFLAG_RWTUN, &mwl_debug,
215 0, "control debugging printfs");
217 MWL_DEBUG_XMIT = 0x00000001, /* basic xmit operation */
218 MWL_DEBUG_XMIT_DESC = 0x00000002, /* xmit descriptors */
219 MWL_DEBUG_RECV = 0x00000004, /* basic recv operation */
220 MWL_DEBUG_RECV_DESC = 0x00000008, /* recv descriptors */
221 MWL_DEBUG_RESET = 0x00000010, /* reset processing */
222 MWL_DEBUG_BEACON = 0x00000020, /* beacon handling */
223 MWL_DEBUG_INTR = 0x00000040, /* ISR */
224 MWL_DEBUG_TX_PROC = 0x00000080, /* tx ISR proc */
225 MWL_DEBUG_RX_PROC = 0x00000100, /* rx ISR proc */
226 MWL_DEBUG_KEYCACHE = 0x00000200, /* key cache management */
227 MWL_DEBUG_STATE = 0x00000400, /* 802.11 state transitions */
228 MWL_DEBUG_NODE = 0x00000800, /* node management */
229 MWL_DEBUG_RECV_ALL = 0x00001000, /* trace all frames (beacons) */
230 MWL_DEBUG_TSO = 0x00002000, /* TSO processing */
231 MWL_DEBUG_AMPDU = 0x00004000, /* BA stream handling */
232 MWL_DEBUG_ANY = 0xffffffff
234 #define IS_BEACON(wh) \
235 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK|IEEE80211_FC0_SUBTYPE_MASK)) == \
236 (IEEE80211_FC0_TYPE_MGT|IEEE80211_FC0_SUBTYPE_BEACON))
237 #define IFF_DUMPPKTS_RECV(sc, wh) \
238 ((sc->sc_debug & MWL_DEBUG_RECV) && \
239 ((sc->sc_debug & MWL_DEBUG_RECV_ALL) || !IS_BEACON(wh)))
240 #define IFF_DUMPPKTS_XMIT(sc) \
241 (sc->sc_debug & MWL_DEBUG_XMIT)
243 #define DPRINTF(sc, m, fmt, ...) do { \
244 if (sc->sc_debug & (m)) \
245 printf(fmt, __VA_ARGS__); \
247 #define KEYPRINTF(sc, hk, mac) do { \
248 if (sc->sc_debug & MWL_DEBUG_KEYCACHE) \
249 mwl_keyprint(sc, __func__, hk, mac); \
251 static void mwl_printrxbuf(const struct mwl_rxbuf *bf, u_int ix);
252 static void mwl_printtxbuf(const struct mwl_txbuf *bf, u_int qnum, u_int ix);
254 #define IFF_DUMPPKTS_RECV(sc, wh) 0
255 #define IFF_DUMPPKTS_XMIT(sc) 0
256 #define DPRINTF(sc, m, fmt, ...) do { (void )sc; } while (0)
257 #define KEYPRINTF(sc, k, mac) do { (void )sc; } while (0)
260 static MALLOC_DEFINE(M_MWLDEV, "mwldev", "mwl driver dma buffers");
263 * Each packet has fixed front matter: a 2-byte length
264 * of the payload, followed by a 4-address 802.11 header
265 * (regardless of the actual header and always w/o any
266 * QoS header). The payload then follows.
270 struct ieee80211_frame_addr4 wh;
274 * Read/Write shorthands for accesses to BAR 0. Note
275 * that all BAR 1 operations are done in the "hal" and
276 * there should be no reference to them here.
279 static __inline uint32_t
280 RD4(struct mwl_softc *sc, bus_size_t off)
282 return bus_space_read_4(sc->sc_io0t, sc->sc_io0h, off);
287 WR4(struct mwl_softc *sc, bus_size_t off, uint32_t val)
289 bus_space_write_4(sc->sc_io0t, sc->sc_io0h, off, val);
293 mwl_attach(uint16_t devid, struct mwl_softc *sc)
295 struct ieee80211com *ic = &sc->sc_ic;
299 DPRINTF(sc, MWL_DEBUG_ANY, "%s: devid 0x%x\n", __func__, devid);
302 * Setup the RX free list lock early, so it can be consistently
307 mh = mwl_hal_attach(sc->sc_dev, devid,
308 sc->sc_io1h, sc->sc_io1t, sc->sc_dmat);
310 device_printf(sc->sc_dev, "unable to attach HAL\n");
316 * Load firmware so we can get setup. We arbitrarily
317 * pick station firmware; we'll re-load firmware as
318 * needed so setting up the wrong mode isn't a big deal.
320 if (mwl_hal_fwload(mh, NULL) != 0) {
321 device_printf(sc->sc_dev, "unable to setup builtin firmware\n");
325 if (mwl_hal_gethwspecs(mh, &sc->sc_hwspecs) != 0) {
326 device_printf(sc->sc_dev, "unable to fetch h/w specs\n");
330 error = mwl_getchannels(sc);
334 sc->sc_txantenna = 0; /* h/w default */
335 sc->sc_rxantenna = 0; /* h/w default */
336 sc->sc_invalid = 0; /* ready to go, enable int handling */
337 sc->sc_ageinterval = MWL_AGEINTERVAL;
340 * Allocate tx+rx descriptors and populate the lists.
341 * We immediately push the information to the firmware
342 * as otherwise it gets upset.
344 error = mwl_dma_setup(sc);
346 device_printf(sc->sc_dev, "failed to setup descriptors: %d\n",
350 error = mwl_setupdma(sc); /* push to firmware */
351 if (error != 0) /* NB: mwl_setupdma prints msg */
354 callout_init(&sc->sc_timer, 1);
355 callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0);
356 mbufq_init(&sc->sc_snd, ifqmaxlen);
358 sc->sc_tq = taskqueue_create("mwl_taskq", M_NOWAIT,
359 taskqueue_thread_enqueue, &sc->sc_tq);
360 taskqueue_start_threads(&sc->sc_tq, 1, PI_NET,
361 "%s taskq", device_get_nameunit(sc->sc_dev));
363 TASK_INIT(&sc->sc_rxtask, 0, mwl_rx_proc, sc);
364 TASK_INIT(&sc->sc_radartask, 0, mwl_radar_proc, sc);
365 TASK_INIT(&sc->sc_chanswitchtask, 0, mwl_chanswitch_proc, sc);
366 TASK_INIT(&sc->sc_bawatchdogtask, 0, mwl_bawatchdog_proc, sc);
368 /* NB: insure BK queue is the lowest priority h/w queue */
369 if (!mwl_tx_setup(sc, WME_AC_BK, MWL_WME_AC_BK)) {
370 device_printf(sc->sc_dev,
371 "unable to setup xmit queue for %s traffic!\n",
372 ieee80211_wme_acnames[WME_AC_BK]);
376 if (!mwl_tx_setup(sc, WME_AC_BE, MWL_WME_AC_BE) ||
377 !mwl_tx_setup(sc, WME_AC_VI, MWL_WME_AC_VI) ||
378 !mwl_tx_setup(sc, WME_AC_VO, MWL_WME_AC_VO)) {
380 * Not enough hardware tx queues to properly do WME;
381 * just punt and assign them all to the same h/w queue.
382 * We could do a better job of this if, for example,
383 * we allocate queues when we switch from station to
386 if (sc->sc_ac2q[WME_AC_VI] != NULL)
387 mwl_tx_cleanupq(sc, sc->sc_ac2q[WME_AC_VI]);
388 if (sc->sc_ac2q[WME_AC_BE] != NULL)
389 mwl_tx_cleanupq(sc, sc->sc_ac2q[WME_AC_BE]);
390 sc->sc_ac2q[WME_AC_BE] = sc->sc_ac2q[WME_AC_BK];
391 sc->sc_ac2q[WME_AC_VI] = sc->sc_ac2q[WME_AC_BK];
392 sc->sc_ac2q[WME_AC_VO] = sc->sc_ac2q[WME_AC_BK];
394 TASK_INIT(&sc->sc_txtask, 0, mwl_tx_proc, sc);
397 ic->ic_name = device_get_nameunit(sc->sc_dev);
398 /* XXX not right but it's not used anywhere important */
399 ic->ic_phytype = IEEE80211_T_OFDM;
400 ic->ic_opmode = IEEE80211_M_STA;
402 IEEE80211_C_STA /* station mode supported */
403 | IEEE80211_C_HOSTAP /* hostap mode */
404 | IEEE80211_C_MONITOR /* monitor mode */
406 | IEEE80211_C_IBSS /* ibss, nee adhoc, mode */
407 | IEEE80211_C_AHDEMO /* adhoc demo mode */
409 | IEEE80211_C_MBSS /* mesh point link mode */
410 | IEEE80211_C_WDS /* WDS supported */
411 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
412 | IEEE80211_C_SHSLOT /* short slot time supported */
413 | IEEE80211_C_WME /* WME/WMM supported */
414 | IEEE80211_C_BURST /* xmit bursting supported */
415 | IEEE80211_C_WPA /* capable of WPA1+WPA2 */
416 | IEEE80211_C_BGSCAN /* capable of bg scanning */
417 | IEEE80211_C_TXFRAG /* handle tx frags */
418 | IEEE80211_C_TXPMGT /* capable of txpow mgt */
419 | IEEE80211_C_DFS /* DFS supported */
423 IEEE80211_HTCAP_SMPS_ENA /* SM PS mode enabled */
424 | IEEE80211_HTCAP_CHWIDTH40 /* 40MHz channel width */
425 | IEEE80211_HTCAP_SHORTGI20 /* short GI in 20MHz */
426 | IEEE80211_HTCAP_SHORTGI40 /* short GI in 40MHz */
427 | IEEE80211_HTCAP_RXSTBC_2STREAM/* 1-2 spatial streams */
428 #if MWL_AGGR_SIZE == 7935
429 | IEEE80211_HTCAP_MAXAMSDU_7935 /* max A-MSDU length */
431 | IEEE80211_HTCAP_MAXAMSDU_3839 /* max A-MSDU length */
434 | IEEE80211_HTCAP_PSMP /* PSMP supported */
435 | IEEE80211_HTCAP_40INTOLERANT /* 40MHz intolerant */
437 /* s/w capabilities */
438 | IEEE80211_HTC_HT /* HT operation */
439 | IEEE80211_HTC_AMPDU /* tx A-MPDU */
440 | IEEE80211_HTC_AMSDU /* tx A-MSDU */
441 | IEEE80211_HTC_SMPS /* SMPS available */
445 * Mark h/w crypto support.
446 * XXX no way to query h/w support.
448 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP
449 | IEEE80211_CRYPTO_AES_CCM
450 | IEEE80211_CRYPTO_TKIP
451 | IEEE80211_CRYPTO_TKIPMIC
454 * Transmit requires space in the packet for a special
455 * format transmit record and optional padding between
456 * this record and the payload. Ask the net80211 layer
457 * to arrange this when encapsulating packets so we can
458 * add it efficiently.
460 ic->ic_headroom = sizeof(struct mwltxrec) -
461 sizeof(struct ieee80211_frame);
463 IEEE80211_ADDR_COPY(ic->ic_macaddr, sc->sc_hwspecs.macAddr);
465 /* call MI attach routine. */
466 ieee80211_ifattach(ic);
467 ic->ic_setregdomain = mwl_setregdomain;
468 ic->ic_getradiocaps = mwl_getradiocaps;
469 /* override default methods */
470 ic->ic_raw_xmit = mwl_raw_xmit;
471 ic->ic_newassoc = mwl_newassoc;
472 ic->ic_updateslot = mwl_updateslot;
473 ic->ic_update_mcast = mwl_update_mcast;
474 ic->ic_update_promisc = mwl_update_promisc;
475 ic->ic_wme.wme_update = mwl_wme_update;
476 ic->ic_transmit = mwl_transmit;
477 ic->ic_ioctl = mwl_ioctl;
478 ic->ic_parent = mwl_parent;
480 ic->ic_node_alloc = mwl_node_alloc;
481 sc->sc_node_cleanup = ic->ic_node_cleanup;
482 ic->ic_node_cleanup = mwl_node_cleanup;
483 sc->sc_node_drain = ic->ic_node_drain;
484 ic->ic_node_drain = mwl_node_drain;
485 ic->ic_node_getsignal = mwl_node_getsignal;
486 ic->ic_node_getmimoinfo = mwl_node_getmimoinfo;
488 ic->ic_scan_start = mwl_scan_start;
489 ic->ic_scan_end = mwl_scan_end;
490 ic->ic_set_channel = mwl_set_channel;
492 sc->sc_recv_action = ic->ic_recv_action;
493 ic->ic_recv_action = mwl_recv_action;
494 sc->sc_addba_request = ic->ic_addba_request;
495 ic->ic_addba_request = mwl_addba_request;
496 sc->sc_addba_response = ic->ic_addba_response;
497 ic->ic_addba_response = mwl_addba_response;
498 sc->sc_addba_stop = ic->ic_addba_stop;
499 ic->ic_addba_stop = mwl_addba_stop;
501 ic->ic_vap_create = mwl_vap_create;
502 ic->ic_vap_delete = mwl_vap_delete;
504 ieee80211_radiotap_attach(ic,
505 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th),
506 MWL_TX_RADIOTAP_PRESENT,
507 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th),
508 MWL_RX_RADIOTAP_PRESENT);
510 * Setup dynamic sysctl's now that country code and
511 * regdomain are available from the hal.
513 mwl_sysctlattach(sc);
516 ieee80211_announce(ic);
524 MWL_RXFREE_DESTROY(sc);
530 mwl_detach(struct mwl_softc *sc)
532 struct ieee80211com *ic = &sc->sc_ic;
538 * NB: the order of these is important:
539 * o call the 802.11 layer before detaching the hal to
540 * insure callbacks into the driver to delete global
541 * key cache entries can be handled
542 * o reclaim the tx queue data structures after calling
543 * the 802.11 layer as we'll get called back to reclaim
544 * node state and potentially want to use them
545 * o to cleanup the tx queues the hal is called, so detach
547 * Other than that, it's straightforward...
549 ieee80211_ifdetach(ic);
550 callout_drain(&sc->sc_watchdog);
552 MWL_RXFREE_DESTROY(sc);
554 mwl_hal_detach(sc->sc_mh);
555 mbufq_drain(&sc->sc_snd);
561 * MAC address handling for multiple BSS on the same radio.
562 * The first vap uses the MAC address from the EEPROM. For
563 * subsequent vap's we set the U/L bit (bit 1) in the MAC
564 * address and use the next six bits as an index.
567 assign_address(struct mwl_softc *sc, uint8_t mac[IEEE80211_ADDR_LEN], int clone)
571 if (clone && mwl_hal_ismbsscapable(sc->sc_mh)) {
572 /* NB: we only do this if h/w supports multiple bssid */
573 for (i = 0; i < 32; i++)
574 if ((sc->sc_bssidmask & (1<<i)) == 0)
577 mac[0] |= (i << 2)|0x2;
580 sc->sc_bssidmask |= 1<<i;
586 reclaim_address(struct mwl_softc *sc, const uint8_t mac[IEEE80211_ADDR_LEN])
589 if (i != 0 || --sc->sc_nbssid0 == 0)
590 sc->sc_bssidmask &= ~(1<<i);
593 static struct ieee80211vap *
594 mwl_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
595 enum ieee80211_opmode opmode, int flags,
596 const uint8_t bssid[IEEE80211_ADDR_LEN],
597 const uint8_t mac0[IEEE80211_ADDR_LEN])
599 struct mwl_softc *sc = ic->ic_softc;
600 struct mwl_hal *mh = sc->sc_mh;
601 struct ieee80211vap *vap, *apvap;
602 struct mwl_hal_vap *hvap;
604 uint8_t mac[IEEE80211_ADDR_LEN];
606 IEEE80211_ADDR_COPY(mac, mac0);
608 case IEEE80211_M_HOSTAP:
609 case IEEE80211_M_MBSS:
610 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
611 assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID);
612 hvap = mwl_hal_newvap(mh, MWL_HAL_AP, mac);
614 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
615 reclaim_address(sc, mac);
619 case IEEE80211_M_STA:
620 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
621 assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID);
622 hvap = mwl_hal_newvap(mh, MWL_HAL_STA, mac);
624 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
625 reclaim_address(sc, mac);
628 /* no h/w beacon miss support; always use s/w */
629 flags |= IEEE80211_CLONE_NOBEACONS;
631 case IEEE80211_M_WDS:
632 hvap = NULL; /* NB: we use associated AP vap */
633 if (sc->sc_napvaps == 0)
634 return NULL; /* no existing AP vap */
636 case IEEE80211_M_MONITOR:
639 case IEEE80211_M_IBSS:
640 case IEEE80211_M_AHDEMO:
645 mvp = malloc(sizeof(struct mwl_vap), M_80211_VAP, M_WAITOK | M_ZERO);
647 if (opmode == IEEE80211_M_WDS) {
649 * WDS vaps must have an associated AP vap; find one.
652 TAILQ_FOREACH(apvap, &ic->ic_vaps, iv_next)
653 if (apvap->iv_opmode == IEEE80211_M_HOSTAP) {
654 mvp->mv_ap_hvap = MWL_VAP(apvap)->mv_hvap;
657 KASSERT(mvp->mv_ap_hvap != NULL, ("no ap vap"));
660 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid);
661 /* override with driver methods */
662 mvp->mv_newstate = vap->iv_newstate;
663 vap->iv_newstate = mwl_newstate;
664 vap->iv_max_keyix = 0; /* XXX */
665 vap->iv_key_alloc = mwl_key_alloc;
666 vap->iv_key_delete = mwl_key_delete;
667 vap->iv_key_set = mwl_key_set;
668 #ifdef MWL_HOST_PS_SUPPORT
669 if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS) {
670 vap->iv_update_ps = mwl_update_ps;
671 mvp->mv_set_tim = vap->iv_set_tim;
672 vap->iv_set_tim = mwl_set_tim;
675 vap->iv_reset = mwl_reset;
676 vap->iv_update_beacon = mwl_beacon_update;
678 /* override max aid so sta's cannot assoc when we're out of sta id's */
679 vap->iv_max_aid = MWL_MAXSTAID;
680 /* override default A-MPDU rx parameters */
681 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K;
682 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_4;
685 ieee80211_vap_attach(vap, mwl_media_change, ieee80211_media_status,
688 switch (vap->iv_opmode) {
689 case IEEE80211_M_HOSTAP:
690 case IEEE80211_M_MBSS:
691 case IEEE80211_M_STA:
693 * Setup sta db entry for local address.
696 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
697 vap->iv_opmode == IEEE80211_M_MBSS)
702 case IEEE80211_M_WDS:
709 * Setup overall operating mode.
712 ic->ic_opmode = IEEE80211_M_HOSTAP;
713 else if (sc->sc_nstavaps)
714 ic->ic_opmode = IEEE80211_M_STA;
716 ic->ic_opmode = opmode;
722 mwl_vap_delete(struct ieee80211vap *vap)
724 struct mwl_vap *mvp = MWL_VAP(vap);
725 struct mwl_softc *sc = vap->iv_ic->ic_softc;
726 struct mwl_hal *mh = sc->sc_mh;
727 struct mwl_hal_vap *hvap = mvp->mv_hvap;
728 enum ieee80211_opmode opmode = vap->iv_opmode;
730 /* XXX disallow ap vap delete if WDS still present */
731 if (sc->sc_running) {
732 /* quiesce h/w while we remove the vap */
733 mwl_hal_intrset(mh, 0); /* disable interrupts */
735 ieee80211_vap_detach(vap);
737 case IEEE80211_M_HOSTAP:
738 case IEEE80211_M_MBSS:
739 case IEEE80211_M_STA:
740 KASSERT(hvap != NULL, ("no hal vap handle"));
741 (void) mwl_hal_delstation(hvap, vap->iv_myaddr);
742 mwl_hal_delvap(hvap);
743 if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS)
747 /* XXX don't do it for IEEE80211_CLONE_MACADDR */
748 reclaim_address(sc, vap->iv_myaddr);
750 case IEEE80211_M_WDS:
756 mwl_cleartxq(sc, vap);
757 free(mvp, M_80211_VAP);
759 mwl_hal_intrset(mh, sc->sc_imask);
763 mwl_suspend(struct mwl_softc *sc)
772 mwl_resume(struct mwl_softc *sc)
777 if (sc->sc_ic.ic_nrunning > 0)
778 error = mwl_init(sc);
782 ieee80211_start_all(&sc->sc_ic); /* start all vap's */
786 mwl_shutdown(void *arg)
788 struct mwl_softc *sc = arg;
796 * Interrupt handler. Most of the actual processing is deferred.
801 struct mwl_softc *sc = arg;
802 struct mwl_hal *mh = sc->sc_mh;
805 if (sc->sc_invalid) {
807 * The hardware is not ready/present, don't touch anything.
808 * Note this can happen early on if the IRQ is shared.
810 DPRINTF(sc, MWL_DEBUG_ANY, "%s: invalid; ignored\n", __func__);
814 * Figure out the reason(s) for the interrupt.
816 mwl_hal_getisr(mh, &status); /* NB: clears ISR too */
817 if (status == 0) /* must be a shared irq */
820 DPRINTF(sc, MWL_DEBUG_INTR, "%s: status 0x%x imask 0x%x\n",
821 __func__, status, sc->sc_imask);
822 if (status & MACREG_A2HRIC_BIT_RX_RDY)
823 taskqueue_enqueue(sc->sc_tq, &sc->sc_rxtask);
824 if (status & MACREG_A2HRIC_BIT_TX_DONE)
825 taskqueue_enqueue(sc->sc_tq, &sc->sc_txtask);
826 if (status & MACREG_A2HRIC_BIT_BA_WATCHDOG)
827 taskqueue_enqueue(sc->sc_tq, &sc->sc_bawatchdogtask);
828 if (status & MACREG_A2HRIC_BIT_OPC_DONE)
830 if (status & MACREG_A2HRIC_BIT_MAC_EVENT) {
833 if (status & MACREG_A2HRIC_BIT_ICV_ERROR) {
835 sc->sc_stats.mst_rx_badtkipicv++;
837 if (status & MACREG_A2HRIC_BIT_QUEUE_EMPTY) {
838 /* 11n aggregation queue is empty, re-fill */
841 if (status & MACREG_A2HRIC_BIT_QUEUE_FULL) {
844 if (status & MACREG_A2HRIC_BIT_RADAR_DETECT) {
845 /* radar detected, process event */
846 taskqueue_enqueue(sc->sc_tq, &sc->sc_radartask);
848 if (status & MACREG_A2HRIC_BIT_CHAN_SWITCH) {
849 /* DFS channel switch */
850 taskqueue_enqueue(sc->sc_tq, &sc->sc_chanswitchtask);
855 mwl_radar_proc(void *arg, int pending)
857 struct mwl_softc *sc = arg;
858 struct ieee80211com *ic = &sc->sc_ic;
860 DPRINTF(sc, MWL_DEBUG_ANY, "%s: radar detected, pending %u\n",
863 sc->sc_stats.mst_radardetect++;
864 /* XXX stop h/w BA streams? */
867 ieee80211_dfs_notify_radar(ic, ic->ic_curchan);
868 IEEE80211_UNLOCK(ic);
872 mwl_chanswitch_proc(void *arg, int pending)
874 struct mwl_softc *sc = arg;
875 struct ieee80211com *ic = &sc->sc_ic;
877 DPRINTF(sc, MWL_DEBUG_ANY, "%s: channel switch notice, pending %u\n",
881 sc->sc_csapending = 0;
882 ieee80211_csa_completeswitch(ic);
883 IEEE80211_UNLOCK(ic);
887 mwl_bawatchdog(const MWL_HAL_BASTREAM *sp)
889 struct ieee80211_node *ni = sp->data[0];
891 /* send DELBA and drop the stream */
892 ieee80211_ampdu_stop(ni, sp->data[1], IEEE80211_REASON_UNSPECIFIED);
896 mwl_bawatchdog_proc(void *arg, int pending)
898 struct mwl_softc *sc = arg;
899 struct mwl_hal *mh = sc->sc_mh;
900 const MWL_HAL_BASTREAM *sp;
903 sc->sc_stats.mst_bawatchdog++;
905 if (mwl_hal_getwatchdogbitmap(mh, &bitmap) != 0) {
906 DPRINTF(sc, MWL_DEBUG_AMPDU,
907 "%s: could not get bitmap\n", __func__);
908 sc->sc_stats.mst_bawatchdog_failed++;
911 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: bitmap 0x%x\n", __func__, bitmap);
912 if (bitmap == 0xff) {
914 /* disable all ba streams */
915 for (bitmap = 0; bitmap < 8; bitmap++) {
916 sp = mwl_hal_bastream_lookup(mh, bitmap);
923 DPRINTF(sc, MWL_DEBUG_AMPDU,
924 "%s: no BA streams found\n", __func__);
925 sc->sc_stats.mst_bawatchdog_empty++;
927 } else if (bitmap != 0xaa) {
928 /* disable a single ba stream */
929 sp = mwl_hal_bastream_lookup(mh, bitmap);
933 DPRINTF(sc, MWL_DEBUG_AMPDU,
934 "%s: no BA stream %d\n", __func__, bitmap);
935 sc->sc_stats.mst_bawatchdog_notfound++;
941 * Convert net80211 channel to a HAL channel.
944 mwl_mapchan(MWL_HAL_CHANNEL *hc, const struct ieee80211_channel *chan)
946 hc->channel = chan->ic_ieee;
948 *(uint32_t *)&hc->channelFlags = 0;
949 if (IEEE80211_IS_CHAN_2GHZ(chan))
950 hc->channelFlags.FreqBand = MWL_FREQ_BAND_2DOT4GHZ;
951 else if (IEEE80211_IS_CHAN_5GHZ(chan))
952 hc->channelFlags.FreqBand = MWL_FREQ_BAND_5GHZ;
953 if (IEEE80211_IS_CHAN_HT40(chan)) {
954 hc->channelFlags.ChnlWidth = MWL_CH_40_MHz_WIDTH;
955 if (IEEE80211_IS_CHAN_HT40U(chan))
956 hc->channelFlags.ExtChnlOffset = MWL_EXT_CH_ABOVE_CTRL_CH;
958 hc->channelFlags.ExtChnlOffset = MWL_EXT_CH_BELOW_CTRL_CH;
960 hc->channelFlags.ChnlWidth = MWL_CH_20_MHz_WIDTH;
961 /* XXX 10MHz channels */
965 * Inform firmware of our tx/rx dma setup. The BAR 0
966 * writes below are for compatibility with older firmware.
967 * For current firmware we send this information with a
968 * cmd block via mwl_hal_sethwdma.
971 mwl_setupdma(struct mwl_softc *sc)
975 sc->sc_hwdma.rxDescRead = sc->sc_rxdma.dd_desc_paddr;
976 WR4(sc, sc->sc_hwspecs.rxDescRead, sc->sc_hwdma.rxDescRead);
977 WR4(sc, sc->sc_hwspecs.rxDescWrite, sc->sc_hwdma.rxDescRead);
979 for (i = 0; i < MWL_NUM_TX_QUEUES-MWL_NUM_ACK_QUEUES; i++) {
980 struct mwl_txq *txq = &sc->sc_txq[i];
981 sc->sc_hwdma.wcbBase[i] = txq->dma.dd_desc_paddr;
982 WR4(sc, sc->sc_hwspecs.wcbBase[i], sc->sc_hwdma.wcbBase[i]);
984 sc->sc_hwdma.maxNumTxWcb = mwl_txbuf;
985 sc->sc_hwdma.maxNumWCB = MWL_NUM_TX_QUEUES-MWL_NUM_ACK_QUEUES;
987 error = mwl_hal_sethwdma(sc->sc_mh, &sc->sc_hwdma);
989 device_printf(sc->sc_dev,
990 "unable to setup tx/rx dma; hal status %u\n", error);
997 * Inform firmware of tx rate parameters.
998 * Called after a channel change.
1001 mwl_setcurchanrates(struct mwl_softc *sc)
1003 struct ieee80211com *ic = &sc->sc_ic;
1004 const struct ieee80211_rateset *rs;
1005 MWL_HAL_TXRATE rates;
1007 memset(&rates, 0, sizeof(rates));
1008 rs = ieee80211_get_suprates(ic, ic->ic_curchan);
1009 /* rate used to send management frames */
1010 rates.MgtRate = rs->rs_rates[0] & IEEE80211_RATE_VAL;
1011 /* rate used to send multicast frames */
1012 rates.McastRate = rates.MgtRate;
1014 return mwl_hal_settxrate_auto(sc->sc_mh, &rates);
1018 * Inform firmware of tx rate parameters. Called whenever
1019 * user-settable params change and after a channel change.
1022 mwl_setrates(struct ieee80211vap *vap)
1024 struct mwl_vap *mvp = MWL_VAP(vap);
1025 struct ieee80211_node *ni = vap->iv_bss;
1026 const struct ieee80211_txparam *tp = ni->ni_txparms;
1027 MWL_HAL_TXRATE rates;
1029 KASSERT(vap->iv_state == IEEE80211_S_RUN, ("state %d", vap->iv_state));
1032 * Update the h/w rate map.
1033 * NB: 0x80 for MCS is passed through unchanged
1035 memset(&rates, 0, sizeof(rates));
1036 /* rate used to send management frames */
1037 rates.MgtRate = tp->mgmtrate;
1038 /* rate used to send multicast frames */
1039 rates.McastRate = tp->mcastrate;
1041 /* while here calculate EAPOL fixed rate cookie */
1042 mvp->mv_eapolformat = htole16(mwl_calcformat(rates.MgtRate, ni));
1044 return mwl_hal_settxrate(mvp->mv_hvap,
1045 tp->ucastrate != IEEE80211_FIXED_RATE_NONE ?
1046 RATE_FIXED : RATE_AUTO, &rates);
1050 * Setup a fixed xmit rate cookie for EAPOL frames.
1053 mwl_seteapolformat(struct ieee80211vap *vap)
1055 struct mwl_vap *mvp = MWL_VAP(vap);
1056 struct ieee80211_node *ni = vap->iv_bss;
1057 enum ieee80211_phymode mode;
1060 KASSERT(vap->iv_state == IEEE80211_S_RUN, ("state %d", vap->iv_state));
1062 mode = ieee80211_chan2mode(ni->ni_chan);
1064 * Use legacy rates when operating a mixed HT+non-HT bss.
1065 * NB: this may violate POLA for sta and wds vap's.
1067 if (mode == IEEE80211_MODE_11NA &&
1068 (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0)
1069 rate = vap->iv_txparms[IEEE80211_MODE_11A].mgmtrate;
1070 else if (mode == IEEE80211_MODE_11NG &&
1071 (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0)
1072 rate = vap->iv_txparms[IEEE80211_MODE_11G].mgmtrate;
1074 rate = vap->iv_txparms[mode].mgmtrate;
1076 mvp->mv_eapolformat = htole16(mwl_calcformat(rate, ni));
1080 * Map SKU+country code to region code for radar bin'ing.
1083 mwl_map2regioncode(const struct ieee80211_regdomain *rd)
1085 switch (rd->regdomain) {
1088 return DOMAIN_CODE_FCC;
1090 return DOMAIN_CODE_IC;
1094 if (rd->country == CTRY_SPAIN)
1095 return DOMAIN_CODE_SPAIN;
1096 if (rd->country == CTRY_FRANCE || rd->country == CTRY_FRANCE2)
1097 return DOMAIN_CODE_FRANCE;
1098 /* XXX force 1.3.1 radar type */
1099 return DOMAIN_CODE_ETSI_131;
1101 return DOMAIN_CODE_MKK;
1103 return DOMAIN_CODE_DGT; /* Taiwan */
1107 return DOMAIN_CODE_AUS; /* Australia */
1110 return DOMAIN_CODE_FCC; /* XXX? */
1114 mwl_hal_reset(struct mwl_softc *sc)
1116 struct ieee80211com *ic = &sc->sc_ic;
1117 struct mwl_hal *mh = sc->sc_mh;
1119 mwl_hal_setantenna(mh, WL_ANTENNATYPE_RX, sc->sc_rxantenna);
1120 mwl_hal_setantenna(mh, WL_ANTENNATYPE_TX, sc->sc_txantenna);
1121 mwl_hal_setradio(mh, 1, WL_AUTO_PREAMBLE);
1122 mwl_hal_setwmm(sc->sc_mh, (ic->ic_flags & IEEE80211_F_WME) != 0);
1123 mwl_chan_set(sc, ic->ic_curchan);
1124 /* NB: RF/RA performance tuned for indoor mode */
1125 mwl_hal_setrateadaptmode(mh, 0);
1126 mwl_hal_setoptimizationlevel(mh,
1127 (ic->ic_flags & IEEE80211_F_BURST) != 0);
1129 mwl_hal_setregioncode(mh, mwl_map2regioncode(&ic->ic_regdomain));
1131 mwl_hal_setaggampduratemode(mh, 1, 80); /* XXX */
1132 mwl_hal_setcfend(mh, 0); /* XXX */
1138 mwl_init(struct mwl_softc *sc)
1140 struct mwl_hal *mh = sc->sc_mh;
1143 MWL_LOCK_ASSERT(sc);
1146 * Stop anything previously setup. This is safe
1147 * whether this is the first time through or not.
1152 * Push vap-independent state to the firmware.
1154 if (!mwl_hal_reset(sc)) {
1155 device_printf(sc->sc_dev, "unable to reset hardware\n");
1160 * Setup recv (once); transmit is already good to go.
1162 error = mwl_startrecv(sc);
1164 device_printf(sc->sc_dev, "unable to start recv logic\n");
1169 * Enable interrupts.
1171 sc->sc_imask = MACREG_A2HRIC_BIT_RX_RDY
1172 | MACREG_A2HRIC_BIT_TX_DONE
1173 | MACREG_A2HRIC_BIT_OPC_DONE
1175 | MACREG_A2HRIC_BIT_MAC_EVENT
1177 | MACREG_A2HRIC_BIT_ICV_ERROR
1178 | MACREG_A2HRIC_BIT_RADAR_DETECT
1179 | MACREG_A2HRIC_BIT_CHAN_SWITCH
1181 | MACREG_A2HRIC_BIT_QUEUE_EMPTY
1183 | MACREG_A2HRIC_BIT_BA_WATCHDOG
1184 | MACREQ_A2HRIC_BIT_TX_ACK
1188 mwl_hal_intrset(mh, sc->sc_imask);
1189 callout_reset(&sc->sc_watchdog, hz, mwl_watchdog, sc);
1195 mwl_stop(struct mwl_softc *sc)
1198 MWL_LOCK_ASSERT(sc);
1199 if (sc->sc_running) {
1201 * Shutdown the hardware and driver.
1204 callout_stop(&sc->sc_watchdog);
1205 sc->sc_tx_timer = 0;
1211 mwl_reset_vap(struct ieee80211vap *vap, int state)
1213 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1214 struct ieee80211com *ic = vap->iv_ic;
1216 if (state == IEEE80211_S_RUN)
1219 mwl_hal_setrtsthreshold(hvap, vap->iv_rtsthreshold);
1220 /* XXX auto? 20/40 split? */
1221 mwl_hal_sethtgi(hvap, (vap->iv_flags_ht &
1222 (IEEE80211_FHT_SHORTGI20|IEEE80211_FHT_SHORTGI40)) ? 1 : 0);
1223 mwl_hal_setnprot(hvap, ic->ic_htprotmode == IEEE80211_PROT_NONE ?
1224 HTPROTECT_NONE : HTPROTECT_AUTO);
1225 /* XXX txpower cap */
1227 /* re-setup beacons */
1228 if (state == IEEE80211_S_RUN &&
1229 (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1230 vap->iv_opmode == IEEE80211_M_MBSS ||
1231 vap->iv_opmode == IEEE80211_M_IBSS)) {
1232 mwl_setapmode(vap, vap->iv_bss->ni_chan);
1233 mwl_hal_setnprotmode(hvap,
1234 MS(ic->ic_curhtprotmode, IEEE80211_HTINFO_OPMODE));
1235 return mwl_beacon_setup(vap);
1241 * Reset the hardware w/o losing operational state.
1242 * Used to reset or reload hardware state for a vap.
1245 mwl_reset(struct ieee80211vap *vap, u_long cmd)
1247 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1250 if (hvap != NULL) { /* WDS, MONITOR, etc. */
1251 struct ieee80211com *ic = vap->iv_ic;
1252 struct mwl_softc *sc = ic->ic_softc;
1253 struct mwl_hal *mh = sc->sc_mh;
1255 /* XXX handle DWDS sta vap change */
1256 /* XXX do we need to disable interrupts? */
1257 mwl_hal_intrset(mh, 0); /* disable interrupts */
1258 error = mwl_reset_vap(vap, vap->iv_state);
1259 mwl_hal_intrset(mh, sc->sc_imask);
1265 * Allocate a tx buffer for sending a frame. The
1266 * packet is assumed to have the WME AC stored so
1267 * we can use it to select the appropriate h/w queue.
1269 static struct mwl_txbuf *
1270 mwl_gettxbuf(struct mwl_softc *sc, struct mwl_txq *txq)
1272 struct mwl_txbuf *bf;
1275 * Grab a TX buffer and associated resources.
1278 bf = STAILQ_FIRST(&txq->free);
1280 STAILQ_REMOVE_HEAD(&txq->free, bf_list);
1283 MWL_TXQ_UNLOCK(txq);
1285 DPRINTF(sc, MWL_DEBUG_XMIT,
1286 "%s: out of xmit buffers on q %d\n", __func__, txq->qnum);
1291 * Return a tx buffer to the queue it came from. Note there
1292 * are two cases because we must preserve the order of buffers
1293 * as it reflects the fixed order of descriptors in memory
1294 * (the firmware pre-fetches descriptors so we cannot reorder).
1297 mwl_puttxbuf_head(struct mwl_txq *txq, struct mwl_txbuf *bf)
1302 STAILQ_INSERT_HEAD(&txq->free, bf, bf_list);
1304 MWL_TXQ_UNLOCK(txq);
1308 mwl_puttxbuf_tail(struct mwl_txq *txq, struct mwl_txbuf *bf)
1313 STAILQ_INSERT_TAIL(&txq->free, bf, bf_list);
1315 MWL_TXQ_UNLOCK(txq);
1319 mwl_transmit(struct ieee80211com *ic, struct mbuf *m)
1321 struct mwl_softc *sc = ic->ic_softc;
1325 if (!sc->sc_running) {
1329 error = mbufq_enqueue(&sc->sc_snd, m);
1340 mwl_start(struct mwl_softc *sc)
1342 struct ieee80211_node *ni;
1343 struct mwl_txbuf *bf;
1345 struct mwl_txq *txq = NULL; /* XXX silence gcc */
1348 MWL_LOCK_ASSERT(sc);
1349 if (!sc->sc_running || sc->sc_invalid)
1352 while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
1354 * Grab the node for the destination.
1356 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1357 KASSERT(ni != NULL, ("no node"));
1358 m->m_pkthdr.rcvif = NULL; /* committed, clear ref */
1360 * Grab a TX buffer and associated resources.
1361 * We honor the classification by the 802.11 layer.
1363 txq = sc->sc_ac2q[M_WME_GETAC(m)];
1364 bf = mwl_gettxbuf(sc, txq);
1367 ieee80211_free_node(ni);
1368 #ifdef MWL_TX_NODROP
1369 sc->sc_stats.mst_tx_qstop++;
1372 DPRINTF(sc, MWL_DEBUG_XMIT,
1373 "%s: tail drop on q %d\n", __func__, txq->qnum);
1374 sc->sc_stats.mst_tx_qdrop++;
1376 #endif /* MWL_TX_NODROP */
1380 * Pass the frame to the h/w for transmission.
1382 if (mwl_tx_start(sc, ni, bf, m)) {
1383 if_inc_counter(ni->ni_vap->iv_ifp,
1384 IFCOUNTER_OERRORS, 1);
1385 mwl_puttxbuf_head(txq, bf);
1386 ieee80211_free_node(ni);
1390 if (nqueued >= mwl_txcoalesce) {
1392 * Poke the firmware to process queued frames;
1393 * see below about (lack of) locking.
1396 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/);
1401 * NB: We don't need to lock against tx done because
1402 * this just prods the firmware to check the transmit
1403 * descriptors. The firmware will also start fetching
1404 * descriptors by itself if it notices new ones are
1405 * present when it goes to deliver a tx done interrupt
1406 * to the host. So if we race with tx done processing
1407 * it's ok. Delivering the kick here rather than in
1408 * mwl_tx_start is an optimization to avoid poking the
1409 * firmware for each packet.
1411 * NB: the queue id isn't used so 0 is ok.
1413 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/);
1418 mwl_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
1419 const struct ieee80211_bpf_params *params)
1421 struct ieee80211com *ic = ni->ni_ic;
1422 struct mwl_softc *sc = ic->ic_softc;
1423 struct mwl_txbuf *bf;
1424 struct mwl_txq *txq;
1426 if (!sc->sc_running || sc->sc_invalid) {
1431 * Grab a TX buffer and associated resources.
1432 * Note that we depend on the classification
1433 * by the 802.11 layer to get to the right h/w
1434 * queue. Management frames must ALWAYS go on
1435 * queue 1 but we cannot just force that here
1436 * because we may receive non-mgt frames.
1438 txq = sc->sc_ac2q[M_WME_GETAC(m)];
1439 bf = mwl_gettxbuf(sc, txq);
1441 sc->sc_stats.mst_tx_qstop++;
1446 * Pass the frame to the h/w for transmission.
1448 if (mwl_tx_start(sc, ni, bf, m)) {
1449 mwl_puttxbuf_head(txq, bf);
1451 return EIO; /* XXX */
1454 * NB: We don't need to lock against tx done because
1455 * this just prods the firmware to check the transmit
1456 * descriptors. The firmware will also start fetching
1457 * descriptors by itself if it notices new ones are
1458 * present when it goes to deliver a tx done interrupt
1459 * to the host. So if we race with tx done processing
1460 * it's ok. Delivering the kick here rather than in
1461 * mwl_tx_start is an optimization to avoid poking the
1462 * firmware for each packet.
1464 * NB: the queue id isn't used so 0 is ok.
1466 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/);
1471 mwl_media_change(struct ifnet *ifp)
1473 struct ieee80211vap *vap;
1476 /* NB: only the fixed rate can change and that doesn't need a reset */
1477 error = ieee80211_media_change(ifp);
1481 vap = ifp->if_softc;
1488 mwl_keyprint(struct mwl_softc *sc, const char *tag,
1489 const MWL_HAL_KEYVAL *hk, const uint8_t mac[IEEE80211_ADDR_LEN])
1491 static const char *ciphers[] = {
1498 printf("%s: [%u] %-7s", tag, hk->keyIndex, ciphers[hk->keyTypeId]);
1499 for (i = 0, n = hk->keyLen; i < n; i++)
1500 printf(" %02x", hk->key.aes[i]);
1501 printf(" mac %s", ether_sprintf(mac));
1502 if (hk->keyTypeId == KEY_TYPE_ID_TKIP) {
1503 printf(" %s", "rxmic");
1504 for (i = 0; i < sizeof(hk->key.tkip.rxMic); i++)
1505 printf(" %02x", hk->key.tkip.rxMic[i]);
1507 for (i = 0; i < sizeof(hk->key.tkip.txMic); i++)
1508 printf(" %02x", hk->key.tkip.txMic[i]);
1510 printf(" flags 0x%x\n", hk->keyFlags);
1515 * Allocate a key cache slot for a unicast key. The
1516 * firmware handles key allocation and every station is
1517 * guaranteed key space so we are always successful.
1520 mwl_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k,
1521 ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix)
1523 struct mwl_softc *sc = vap->iv_ic->ic_softc;
1525 if (k->wk_keyix != IEEE80211_KEYIX_NONE ||
1526 (k->wk_flags & IEEE80211_KEY_GROUP)) {
1527 if (!(&vap->iv_nw_keys[0] <= k &&
1528 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) {
1529 /* should not happen */
1530 DPRINTF(sc, MWL_DEBUG_KEYCACHE,
1531 "%s: bogus group key\n", __func__);
1534 /* give the caller what they requested */
1535 *keyix = *rxkeyix = ieee80211_crypto_get_key_wepidx(vap, k);
1538 * Firmware handles key allocation.
1540 *keyix = *rxkeyix = 0;
1546 * Delete a key entry allocated by mwl_key_alloc.
1549 mwl_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k)
1551 struct mwl_softc *sc = vap->iv_ic->ic_softc;
1552 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1554 const uint8_t bcastaddr[IEEE80211_ADDR_LEN] =
1555 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1558 if (vap->iv_opmode != IEEE80211_M_WDS) {
1559 /* XXX monitor mode? */
1560 DPRINTF(sc, MWL_DEBUG_KEYCACHE,
1561 "%s: no hvap for opmode %d\n", __func__,
1565 hvap = MWL_VAP(vap)->mv_ap_hvap;
1568 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: delete key %u\n",
1569 __func__, k->wk_keyix);
1571 memset(&hk, 0, sizeof(hk));
1572 hk.keyIndex = k->wk_keyix;
1573 switch (k->wk_cipher->ic_cipher) {
1574 case IEEE80211_CIPHER_WEP:
1575 hk.keyTypeId = KEY_TYPE_ID_WEP;
1577 case IEEE80211_CIPHER_TKIP:
1578 hk.keyTypeId = KEY_TYPE_ID_TKIP;
1580 case IEEE80211_CIPHER_AES_CCM:
1581 hk.keyTypeId = KEY_TYPE_ID_AES;
1584 /* XXX should not happen */
1585 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: unknown cipher %d\n",
1586 __func__, k->wk_cipher->ic_cipher);
1589 return (mwl_hal_keyreset(hvap, &hk, bcastaddr) == 0); /*XXX*/
1593 addgroupflags(MWL_HAL_KEYVAL *hk, const struct ieee80211_key *k)
1595 if (k->wk_flags & IEEE80211_KEY_GROUP) {
1596 if (k->wk_flags & IEEE80211_KEY_XMIT)
1597 hk->keyFlags |= KEY_FLAG_TXGROUPKEY;
1598 if (k->wk_flags & IEEE80211_KEY_RECV)
1599 hk->keyFlags |= KEY_FLAG_RXGROUPKEY;
1606 * Set the key cache contents for the specified key. Key cache
1607 * slot(s) must already have been allocated by mwl_key_alloc.
1610 mwl_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k)
1612 return (_mwl_key_set(vap, k, k->wk_macaddr));
1616 _mwl_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k,
1617 const uint8_t mac[IEEE80211_ADDR_LEN])
1619 #define GRPXMIT (IEEE80211_KEY_XMIT | IEEE80211_KEY_GROUP)
1620 /* NB: static wep keys are marked GROUP+tx/rx; GTK will be tx or rx */
1621 #define IEEE80211_IS_STATICKEY(k) \
1622 (((k)->wk_flags & (GRPXMIT|IEEE80211_KEY_RECV)) == \
1623 (GRPXMIT|IEEE80211_KEY_RECV))
1624 struct mwl_softc *sc = vap->iv_ic->ic_softc;
1625 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1626 const struct ieee80211_cipher *cip = k->wk_cipher;
1627 const uint8_t *macaddr;
1630 KASSERT((k->wk_flags & IEEE80211_KEY_SWCRYPT) == 0,
1631 ("s/w crypto set?"));
1634 if (vap->iv_opmode != IEEE80211_M_WDS) {
1635 /* XXX monitor mode? */
1636 DPRINTF(sc, MWL_DEBUG_KEYCACHE,
1637 "%s: no hvap for opmode %d\n", __func__,
1641 hvap = MWL_VAP(vap)->mv_ap_hvap;
1643 memset(&hk, 0, sizeof(hk));
1644 hk.keyIndex = k->wk_keyix;
1645 switch (cip->ic_cipher) {
1646 case IEEE80211_CIPHER_WEP:
1647 hk.keyTypeId = KEY_TYPE_ID_WEP;
1648 hk.keyLen = k->wk_keylen;
1649 if (k->wk_keyix == vap->iv_def_txkey)
1650 hk.keyFlags = KEY_FLAG_WEP_TXKEY;
1651 if (!IEEE80211_IS_STATICKEY(k)) {
1652 /* NB: WEP is never used for the PTK */
1653 (void) addgroupflags(&hk, k);
1656 case IEEE80211_CIPHER_TKIP:
1657 hk.keyTypeId = KEY_TYPE_ID_TKIP;
1658 hk.key.tkip.tsc.high = (uint32_t)(k->wk_keytsc >> 16);
1659 hk.key.tkip.tsc.low = (uint16_t)k->wk_keytsc;
1660 hk.keyFlags = KEY_FLAG_TSC_VALID | KEY_FLAG_MICKEY_VALID;
1661 hk.keyLen = k->wk_keylen + IEEE80211_MICBUF_SIZE;
1662 if (!addgroupflags(&hk, k))
1663 hk.keyFlags |= KEY_FLAG_PAIRWISE;
1665 case IEEE80211_CIPHER_AES_CCM:
1666 hk.keyTypeId = KEY_TYPE_ID_AES;
1667 hk.keyLen = k->wk_keylen;
1668 if (!addgroupflags(&hk, k))
1669 hk.keyFlags |= KEY_FLAG_PAIRWISE;
1672 /* XXX should not happen */
1673 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: unknown cipher %d\n",
1674 __func__, k->wk_cipher->ic_cipher);
1678 * NB: tkip mic keys get copied here too; the layout
1679 * just happens to match that in ieee80211_key.
1681 memcpy(hk.key.aes, k->wk_key, hk.keyLen);
1684 * Locate address of sta db entry for writing key;
1685 * the convention unfortunately is somewhat different
1686 * than how net80211, hostapd, and wpa_supplicant think.
1688 if (vap->iv_opmode == IEEE80211_M_STA) {
1690 * NB: keys plumbed before the sta reaches AUTH state
1691 * will be discarded or written to the wrong sta db
1692 * entry because iv_bss is meaningless. This is ok
1693 * (right now) because we handle deferred plumbing of
1694 * WEP keys when the sta reaches AUTH state.
1696 macaddr = vap->iv_bss->ni_bssid;
1697 if ((k->wk_flags & IEEE80211_KEY_GROUP) == 0) {
1698 /* XXX plumb to local sta db too for static key wep */
1699 mwl_hal_keyset(hvap, &hk, vap->iv_myaddr);
1701 } else if (vap->iv_opmode == IEEE80211_M_WDS &&
1702 vap->iv_state != IEEE80211_S_RUN) {
1704 * Prior to RUN state a WDS vap will not it's BSS node
1705 * setup so we will plumb the key to the wrong mac
1706 * address (it'll be our local address). Workaround
1707 * this for the moment by grabbing the correct address.
1709 macaddr = vap->iv_des_bssid;
1710 } else if ((k->wk_flags & GRPXMIT) == GRPXMIT)
1711 macaddr = vap->iv_myaddr;
1714 KEYPRINTF(sc, &hk, macaddr);
1715 return (mwl_hal_keyset(hvap, &hk, macaddr) == 0);
1716 #undef IEEE80211_IS_STATICKEY
1721 * Set the multicast filter contents into the hardware.
1722 * XXX f/w has no support; just defer to the os.
1725 mwl_setmcastfilter(struct mwl_softc *sc)
1728 struct ether_multi *enm;
1729 struct ether_multistep estep;
1730 uint8_t macs[IEEE80211_ADDR_LEN*MWL_HAL_MCAST_MAX];/* XXX stack use */
1736 ETHER_FIRST_MULTI(estep, &sc->sc_ec, enm);
1737 while (enm != NULL) {
1738 /* XXX Punt on ranges. */
1739 if (nmc == MWL_HAL_MCAST_MAX ||
1740 !IEEE80211_ADDR_EQ(enm->enm_addrlo, enm->enm_addrhi)) {
1741 ifp->if_flags |= IFF_ALLMULTI;
1744 IEEE80211_ADDR_COPY(mp, enm->enm_addrlo);
1745 mp += IEEE80211_ADDR_LEN, nmc++;
1746 ETHER_NEXT_MULTI(estep, enm);
1748 ifp->if_flags &= ~IFF_ALLMULTI;
1749 mwl_hal_setmcast(sc->sc_mh, nmc, macs);
1754 mwl_mode_init(struct mwl_softc *sc)
1756 struct ieee80211com *ic = &sc->sc_ic;
1757 struct mwl_hal *mh = sc->sc_mh;
1759 mwl_hal_setpromisc(mh, ic->ic_promisc > 0);
1760 mwl_setmcastfilter(sc);
1766 * Callback from the 802.11 layer after a multicast state change.
1769 mwl_update_mcast(struct ieee80211com *ic)
1771 struct mwl_softc *sc = ic->ic_softc;
1773 mwl_setmcastfilter(sc);
1777 * Callback from the 802.11 layer after a promiscuous mode change.
1778 * Note this interface does not check the operating mode as this
1779 * is an internal callback and we are expected to honor the current
1780 * state (e.g. this is used for setting the interface in promiscuous
1781 * mode when operating in hostap mode to do ACS).
1784 mwl_update_promisc(struct ieee80211com *ic)
1786 struct mwl_softc *sc = ic->ic_softc;
1788 mwl_hal_setpromisc(sc->sc_mh, ic->ic_promisc > 0);
1792 * Callback from the 802.11 layer to update the slot time
1793 * based on the current setting. We use it to notify the
1794 * firmware of ERP changes and the f/w takes care of things
1795 * like slot time and preamble.
1798 mwl_updateslot(struct ieee80211com *ic)
1800 struct mwl_softc *sc = ic->ic_softc;
1801 struct mwl_hal *mh = sc->sc_mh;
1804 /* NB: can be called early; suppress needless cmds */
1805 if (!sc->sc_running)
1809 * Calculate the ERP flags. The firwmare will use
1810 * this to carry out the appropriate measures.
1813 if (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) {
1814 if ((ic->ic_flags & IEEE80211_F_SHSLOT) == 0)
1815 prot |= IEEE80211_ERP_NON_ERP_PRESENT;
1816 if (ic->ic_flags & IEEE80211_F_USEPROT)
1817 prot |= IEEE80211_ERP_USE_PROTECTION;
1818 if (ic->ic_flags & IEEE80211_F_USEBARKER)
1819 prot |= IEEE80211_ERP_LONG_PREAMBLE;
1822 DPRINTF(sc, MWL_DEBUG_RESET,
1823 "%s: chan %u MHz/flags 0x%x %s slot, (prot 0x%x ic_flags 0x%x)\n",
1824 __func__, ic->ic_curchan->ic_freq, ic->ic_curchan->ic_flags,
1825 ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long", prot,
1828 mwl_hal_setgprot(mh, prot);
1832 * Setup the beacon frame.
1835 mwl_beacon_setup(struct ieee80211vap *vap)
1837 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1838 struct ieee80211_node *ni = vap->iv_bss;
1841 m = ieee80211_beacon_alloc(ni);
1844 mwl_hal_setbeacon(hvap, mtod(m, const void *), m->m_len);
1851 * Update the beacon frame in response to a change.
1854 mwl_beacon_update(struct ieee80211vap *vap, int item)
1856 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1857 struct ieee80211com *ic = vap->iv_ic;
1859 KASSERT(hvap != NULL, ("no beacon"));
1861 case IEEE80211_BEACON_ERP:
1864 case IEEE80211_BEACON_HTINFO:
1865 mwl_hal_setnprotmode(hvap,
1866 MS(ic->ic_curhtprotmode, IEEE80211_HTINFO_OPMODE));
1868 case IEEE80211_BEACON_CAPS:
1869 case IEEE80211_BEACON_WME:
1870 case IEEE80211_BEACON_APPIE:
1871 case IEEE80211_BEACON_CSA:
1873 case IEEE80211_BEACON_TIM:
1874 /* NB: firmware always forms TIM */
1877 /* XXX retain beacon frame and update */
1878 mwl_beacon_setup(vap);
1882 mwl_load_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
1884 bus_addr_t *paddr = (bus_addr_t*) arg;
1885 KASSERT(error == 0, ("error %u on bus_dma callback", error));
1886 *paddr = segs->ds_addr;
1889 #ifdef MWL_HOST_PS_SUPPORT
1891 * Handle power save station occupancy changes.
1894 mwl_update_ps(struct ieee80211vap *vap, int nsta)
1896 struct mwl_vap *mvp = MWL_VAP(vap);
1898 if (nsta == 0 || mvp->mv_last_ps_sta == 0)
1899 mwl_hal_setpowersave_bss(mvp->mv_hvap, nsta);
1900 mvp->mv_last_ps_sta = nsta;
1904 * Handle associated station power save state changes.
1907 mwl_set_tim(struct ieee80211_node *ni, int set)
1909 struct ieee80211vap *vap = ni->ni_vap;
1910 struct mwl_vap *mvp = MWL_VAP(vap);
1912 if (mvp->mv_set_tim(ni, set)) { /* NB: state change */
1913 mwl_hal_setpowersave_sta(mvp->mv_hvap,
1914 IEEE80211_AID(ni->ni_associd), set);
1919 #endif /* MWL_HOST_PS_SUPPORT */
1922 mwl_desc_setup(struct mwl_softc *sc, const char *name,
1923 struct mwl_descdma *dd,
1924 int nbuf, size_t bufsize, int ndesc, size_t descsize)
1929 DPRINTF(sc, MWL_DEBUG_RESET,
1930 "%s: %s DMA: %u bufs (%ju) %u desc/buf (%ju)\n",
1931 __func__, name, nbuf, (uintmax_t) bufsize,
1932 ndesc, (uintmax_t) descsize);
1935 dd->dd_desc_len = nbuf * ndesc * descsize;
1938 * Setup DMA descriptor area.
1940 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), /* parent */
1941 PAGE_SIZE, 0, /* alignment, bounds */
1942 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
1943 BUS_SPACE_MAXADDR, /* highaddr */
1944 NULL, NULL, /* filter, filterarg */
1945 dd->dd_desc_len, /* maxsize */
1947 dd->dd_desc_len, /* maxsegsize */
1948 BUS_DMA_ALLOCNOW, /* flags */
1949 NULL, /* lockfunc */
1953 device_printf(sc->sc_dev, "cannot allocate %s DMA tag\n", dd->dd_name);
1957 /* allocate descriptors */
1958 error = bus_dmamem_alloc(dd->dd_dmat, (void**) &dd->dd_desc,
1959 BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
1962 device_printf(sc->sc_dev, "unable to alloc memory for %u %s descriptors, "
1963 "error %u\n", nbuf * ndesc, dd->dd_name, error);
1967 error = bus_dmamap_load(dd->dd_dmat, dd->dd_dmamap,
1968 dd->dd_desc, dd->dd_desc_len,
1969 mwl_load_cb, &dd->dd_desc_paddr,
1972 device_printf(sc->sc_dev, "unable to map %s descriptors, error %u\n",
1973 dd->dd_name, error);
1978 memset(ds, 0, dd->dd_desc_len);
1979 DPRINTF(sc, MWL_DEBUG_RESET,
1980 "%s: %s DMA map: %p (%lu) -> 0x%jx (%lu)\n",
1981 __func__, dd->dd_name, ds, (u_long) dd->dd_desc_len,
1982 (uintmax_t) dd->dd_desc_paddr, /*XXX*/ (u_long) dd->dd_desc_len);
1986 bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);
1988 bus_dma_tag_destroy(dd->dd_dmat);
1989 memset(dd, 0, sizeof(*dd));
1995 mwl_desc_cleanup(struct mwl_softc *sc, struct mwl_descdma *dd)
1997 bus_dmamap_unload(dd->dd_dmat, dd->dd_dmamap);
1998 bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);
1999 bus_dma_tag_destroy(dd->dd_dmat);
2001 memset(dd, 0, sizeof(*dd));
2005 * Construct a tx q's free list. The order of entries on
2006 * the list must reflect the physical layout of tx descriptors
2007 * because the firmware pre-fetches descriptors.
2009 * XXX might be better to use indices into the buffer array.
2012 mwl_txq_reset(struct mwl_softc *sc, struct mwl_txq *txq)
2014 struct mwl_txbuf *bf;
2017 bf = txq->dma.dd_bufptr;
2018 STAILQ_INIT(&txq->free);
2019 for (i = 0; i < mwl_txbuf; i++, bf++)
2020 STAILQ_INSERT_TAIL(&txq->free, bf, bf_list);
2024 #define DS2PHYS(_dd, _ds) \
2025 ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
2028 mwl_txdma_setup(struct mwl_softc *sc, struct mwl_txq *txq)
2030 int error, bsize, i;
2031 struct mwl_txbuf *bf;
2032 struct mwl_txdesc *ds;
2034 error = mwl_desc_setup(sc, "tx", &txq->dma,
2035 mwl_txbuf, sizeof(struct mwl_txbuf),
2036 MWL_TXDESC, sizeof(struct mwl_txdesc));
2040 /* allocate and setup tx buffers */
2041 bsize = mwl_txbuf * sizeof(struct mwl_txbuf);
2042 bf = malloc(bsize, M_MWLDEV, M_NOWAIT | M_ZERO);
2044 device_printf(sc->sc_dev, "malloc of %u tx buffers failed\n",
2048 txq->dma.dd_bufptr = bf;
2050 ds = txq->dma.dd_desc;
2051 for (i = 0; i < mwl_txbuf; i++, bf++, ds += MWL_TXDESC) {
2053 bf->bf_daddr = DS2PHYS(&txq->dma, ds);
2054 error = bus_dmamap_create(sc->sc_dmat, BUS_DMA_NOWAIT,
2057 device_printf(sc->sc_dev, "unable to create dmamap for tx "
2058 "buffer %u, error %u\n", i, error);
2062 mwl_txq_reset(sc, txq);
2067 mwl_txdma_cleanup(struct mwl_softc *sc, struct mwl_txq *txq)
2069 struct mwl_txbuf *bf;
2072 bf = txq->dma.dd_bufptr;
2073 for (i = 0; i < mwl_txbuf; i++, bf++) {
2074 KASSERT(bf->bf_m == NULL, ("mbuf on free list"));
2075 KASSERT(bf->bf_node == NULL, ("node on free list"));
2076 if (bf->bf_dmamap != NULL)
2077 bus_dmamap_destroy(sc->sc_dmat, bf->bf_dmamap);
2079 STAILQ_INIT(&txq->free);
2081 if (txq->dma.dd_bufptr != NULL) {
2082 free(txq->dma.dd_bufptr, M_MWLDEV);
2083 txq->dma.dd_bufptr = NULL;
2085 if (txq->dma.dd_desc_len != 0)
2086 mwl_desc_cleanup(sc, &txq->dma);
2090 mwl_rxdma_setup(struct mwl_softc *sc)
2092 int error, jumbosize, bsize, i;
2093 struct mwl_rxbuf *bf;
2094 struct mwl_jumbo *rbuf;
2095 struct mwl_rxdesc *ds;
2098 error = mwl_desc_setup(sc, "rx", &sc->sc_rxdma,
2099 mwl_rxdesc, sizeof(struct mwl_rxbuf),
2100 1, sizeof(struct mwl_rxdesc));
2105 * Receive is done to a private pool of jumbo buffers.
2106 * This allows us to attach to mbuf's and avoid re-mapping
2107 * memory on each rx we post. We allocate a large chunk
2108 * of memory and manage it in the driver. The mbuf free
2109 * callback method is used to reclaim frames after sending
2110 * them up the stack. By default we allocate 2x the number of
2111 * rx descriptors configured so we have some slop to hold
2112 * us while frames are processed.
2114 if (mwl_rxbuf < 2*mwl_rxdesc) {
2115 device_printf(sc->sc_dev,
2116 "too few rx dma buffers (%d); increasing to %d\n",
2117 mwl_rxbuf, 2*mwl_rxdesc);
2118 mwl_rxbuf = 2*mwl_rxdesc;
2120 jumbosize = roundup(MWL_AGGR_SIZE, PAGE_SIZE);
2121 sc->sc_rxmemsize = mwl_rxbuf*jumbosize;
2123 error = bus_dma_tag_create(sc->sc_dmat, /* parent */
2124 PAGE_SIZE, 0, /* alignment, bounds */
2125 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
2126 BUS_SPACE_MAXADDR, /* highaddr */
2127 NULL, NULL, /* filter, filterarg */
2128 sc->sc_rxmemsize, /* maxsize */
2130 sc->sc_rxmemsize, /* maxsegsize */
2131 BUS_DMA_ALLOCNOW, /* flags */
2132 NULL, /* lockfunc */
2136 device_printf(sc->sc_dev, "could not create rx DMA tag\n");
2140 error = bus_dmamem_alloc(sc->sc_rxdmat, (void**) &sc->sc_rxmem,
2141 BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
2144 device_printf(sc->sc_dev, "could not alloc %ju bytes of rx DMA memory\n",
2145 (uintmax_t) sc->sc_rxmemsize);
2149 error = bus_dmamap_load(sc->sc_rxdmat, sc->sc_rxmap,
2150 sc->sc_rxmem, sc->sc_rxmemsize,
2151 mwl_load_cb, &sc->sc_rxmem_paddr,
2154 device_printf(sc->sc_dev, "could not load rx DMA map\n");
2159 * Allocate rx buffers and set them up.
2161 bsize = mwl_rxdesc * sizeof(struct mwl_rxbuf);
2162 bf = malloc(bsize, M_MWLDEV, M_NOWAIT | M_ZERO);
2164 device_printf(sc->sc_dev, "malloc of %u rx buffers failed\n", bsize);
2167 sc->sc_rxdma.dd_bufptr = bf;
2169 STAILQ_INIT(&sc->sc_rxbuf);
2170 ds = sc->sc_rxdma.dd_desc;
2171 for (i = 0; i < mwl_rxdesc; i++, bf++, ds++) {
2173 bf->bf_daddr = DS2PHYS(&sc->sc_rxdma, ds);
2174 /* pre-assign dma buffer */
2175 bf->bf_data = ((uint8_t *)sc->sc_rxmem) + (i*jumbosize);
2176 /* NB: tail is intentional to preserve descriptor order */
2177 STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
2181 * Place remainder of dma memory buffers on the free list.
2183 SLIST_INIT(&sc->sc_rxfree);
2184 for (; i < mwl_rxbuf; i++) {
2185 data = ((uint8_t *)sc->sc_rxmem) + (i*jumbosize);
2186 rbuf = MWL_JUMBO_DATA2BUF(data);
2187 SLIST_INSERT_HEAD(&sc->sc_rxfree, rbuf, next);
2195 mwl_rxdma_cleanup(struct mwl_softc *sc)
2197 if (sc->sc_rxmem_paddr != 0) {
2198 bus_dmamap_unload(sc->sc_rxdmat, sc->sc_rxmap);
2199 sc->sc_rxmem_paddr = 0;
2201 if (sc->sc_rxmem != NULL) {
2202 bus_dmamem_free(sc->sc_rxdmat, sc->sc_rxmem, sc->sc_rxmap);
2203 sc->sc_rxmem = NULL;
2205 if (sc->sc_rxdma.dd_bufptr != NULL) {
2206 free(sc->sc_rxdma.dd_bufptr, M_MWLDEV);
2207 sc->sc_rxdma.dd_bufptr = NULL;
2209 if (sc->sc_rxdma.dd_desc_len != 0)
2210 mwl_desc_cleanup(sc, &sc->sc_rxdma);
2214 mwl_dma_setup(struct mwl_softc *sc)
2218 error = mwl_rxdma_setup(sc);
2220 mwl_rxdma_cleanup(sc);
2224 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) {
2225 error = mwl_txdma_setup(sc, &sc->sc_txq[i]);
2227 mwl_dma_cleanup(sc);
2235 mwl_dma_cleanup(struct mwl_softc *sc)
2239 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
2240 mwl_txdma_cleanup(sc, &sc->sc_txq[i]);
2241 mwl_rxdma_cleanup(sc);
2244 static struct ieee80211_node *
2245 mwl_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
2247 struct ieee80211com *ic = vap->iv_ic;
2248 struct mwl_softc *sc = ic->ic_softc;
2249 const size_t space = sizeof(struct mwl_node);
2250 struct mwl_node *mn;
2252 mn = malloc(space, M_80211_NODE, M_NOWAIT|M_ZERO);
2257 DPRINTF(sc, MWL_DEBUG_NODE, "%s: mn %p\n", __func__, mn);
2258 return &mn->mn_node;
2262 mwl_node_cleanup(struct ieee80211_node *ni)
2264 struct ieee80211com *ic = ni->ni_ic;
2265 struct mwl_softc *sc = ic->ic_softc;
2266 struct mwl_node *mn = MWL_NODE(ni);
2268 DPRINTF(sc, MWL_DEBUG_NODE, "%s: ni %p ic %p staid %d\n",
2269 __func__, ni, ni->ni_ic, mn->mn_staid);
2271 if (mn->mn_staid != 0) {
2272 struct ieee80211vap *vap = ni->ni_vap;
2274 if (mn->mn_hvap != NULL) {
2275 if (vap->iv_opmode == IEEE80211_M_STA)
2276 mwl_hal_delstation(mn->mn_hvap, vap->iv_myaddr);
2278 mwl_hal_delstation(mn->mn_hvap, ni->ni_macaddr);
2281 * NB: legacy WDS peer sta db entry is installed using
2282 * the associate ap's hvap; use it again to delete it.
2283 * XXX can vap be NULL?
2285 else if (vap->iv_opmode == IEEE80211_M_WDS &&
2286 MWL_VAP(vap)->mv_ap_hvap != NULL)
2287 mwl_hal_delstation(MWL_VAP(vap)->mv_ap_hvap,
2289 delstaid(sc, mn->mn_staid);
2292 sc->sc_node_cleanup(ni);
2296 * Reclaim rx dma buffers from packets sitting on the ampdu
2297 * reorder queue for a station. We replace buffers with a
2298 * system cluster (if available).
2301 mwl_ampdu_rxdma_reclaim(struct ieee80211_rx_ampdu *rap)
2308 n = rap->rxa_qframes;
2309 for (i = 0; i < rap->rxa_wnd && n > 0; i++) {
2314 /* our dma buffers have a well-known free routine */
2315 if ((m->m_flags & M_EXT) == 0 ||
2316 m->m_ext.ext_free != mwl_ext_free)
2319 * Try to allocate a cluster and move the data.
2321 off = m->m_data - m->m_ext.ext_buf;
2322 if (off + m->m_pkthdr.len > MCLBYTES) {
2323 /* XXX no AMSDU for now */
2326 cl = pool_cache_get_paddr(&mclpool_cache, 0,
2327 &m->m_ext.ext_paddr);
2330 * Copy the existing data to the cluster, remove
2331 * the rx dma buffer, and attach the cluster in
2332 * its place. Note we preserve the offset to the
2333 * data so frames being bridged can still prepend
2334 * their headers without adding another mbuf.
2336 memcpy((caddr_t) cl + off, m->m_data, m->m_pkthdr.len);
2338 MEXTADD(m, cl, MCLBYTES, 0, NULL, &mclpool_cache);
2339 /* setup mbuf like _MCLGET does */
2340 m->m_flags |= M_CLUSTER | M_EXT_RW;
2341 _MOWNERREF(m, M_EXT | M_CLUSTER);
2342 /* NB: m_data is clobbered by MEXTADDR, adjust */
2350 * Callback to reclaim resources. We first let the
2351 * net80211 layer do it's thing, then if we are still
2352 * blocked by a lack of rx dma buffers we walk the ampdu
2353 * reorder q's to reclaim buffers by copying to a system
2357 mwl_node_drain(struct ieee80211_node *ni)
2359 struct ieee80211com *ic = ni->ni_ic;
2360 struct mwl_softc *sc = ic->ic_softc;
2361 struct mwl_node *mn = MWL_NODE(ni);
2363 DPRINTF(sc, MWL_DEBUG_NODE, "%s: ni %p vap %p staid %d\n",
2364 __func__, ni, ni->ni_vap, mn->mn_staid);
2366 /* NB: call up first to age out ampdu q's */
2367 sc->sc_node_drain(ni);
2369 /* XXX better to not check low water mark? */
2370 if (sc->sc_rxblocked && mn->mn_staid != 0 &&
2371 (ni->ni_flags & IEEE80211_NODE_HT)) {
2374 * Walk the reorder q and reclaim rx dma buffers by copying
2375 * the packet contents into clusters.
2377 for (tid = 0; tid < WME_NUM_TID; tid++) {
2378 struct ieee80211_rx_ampdu *rap;
2380 rap = &ni->ni_rx_ampdu[tid];
2381 if ((rap->rxa_flags & IEEE80211_AGGR_XCHGPEND) == 0)
2383 if (rap->rxa_qframes)
2384 mwl_ampdu_rxdma_reclaim(rap);
2390 mwl_node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise)
2392 *rssi = ni->ni_ic->ic_node_getrssi(ni);
2393 #ifdef MWL_ANT_INFO_SUPPORT
2395 /* XXX need to smooth data */
2396 *noise = -MWL_NODE_CONST(ni)->mn_ai.nf;
2398 *noise = -95; /* XXX */
2401 *noise = -95; /* XXX */
2406 * Convert Hardware per-antenna rssi info to common format:
2407 * Let a1, a2, a3 represent the amplitudes per chain
2408 * Let amax represent max[a1, a2, a3]
2409 * Rssi1_dBm = RSSI_dBm + 20*log10(a1/amax)
2410 * Rssi1_dBm = RSSI_dBm + 20*log10(a1) - 20*log10(amax)
2411 * We store a table that is 4*20*log10(idx) - the extra 4 is to store or
2412 * maintain some extra precision.
2414 * Values are stored in .5 db format capped at 127.
2417 mwl_node_getmimoinfo(const struct ieee80211_node *ni,
2418 struct ieee80211_mimo_info *mi)
2420 #define CVT(_dst, _src) do { \
2421 (_dst) = rssi + ((logdbtbl[_src] - logdbtbl[rssi_max]) >> 2); \
2422 (_dst) = (_dst) > 64 ? 127 : ((_dst) << 1); \
2424 static const int8_t logdbtbl[32] = {
2425 0, 0, 24, 38, 48, 56, 62, 68,
2426 72, 76, 80, 83, 86, 89, 92, 94,
2427 96, 98, 100, 102, 104, 106, 107, 109,
2428 110, 112, 113, 115, 116, 117, 118, 119
2430 const struct mwl_node *mn = MWL_NODE_CONST(ni);
2431 uint8_t rssi = mn->mn_ai.rsvd1/2; /* XXX */
2434 rssi_max = mn->mn_ai.rssi_a;
2435 if (mn->mn_ai.rssi_b > rssi_max)
2436 rssi_max = mn->mn_ai.rssi_b;
2437 if (mn->mn_ai.rssi_c > rssi_max)
2438 rssi_max = mn->mn_ai.rssi_c;
2440 CVT(mi->ch[0].rssi[0], mn->mn_ai.rssi_a);
2441 CVT(mi->ch[1].rssi[0], mn->mn_ai.rssi_b);
2442 CVT(mi->ch[2].rssi[0], mn->mn_ai.rssi_c);
2444 mi->ch[0].noise[0] = mn->mn_ai.nf_a;
2445 mi->ch[1].noise[0] = mn->mn_ai.nf_b;
2446 mi->ch[2].noise[0] = mn->mn_ai.nf_c;
2450 static __inline void *
2451 mwl_getrxdma(struct mwl_softc *sc)
2453 struct mwl_jumbo *buf;
2457 * Allocate from jumbo pool.
2459 MWL_RXFREE_LOCK(sc);
2460 buf = SLIST_FIRST(&sc->sc_rxfree);
2462 DPRINTF(sc, MWL_DEBUG_ANY,
2463 "%s: out of rx dma buffers\n", __func__);
2464 sc->sc_stats.mst_rx_nodmabuf++;
2467 SLIST_REMOVE_HEAD(&sc->sc_rxfree, next);
2469 data = MWL_JUMBO_BUF2DATA(buf);
2471 MWL_RXFREE_UNLOCK(sc);
2475 static __inline void
2476 mwl_putrxdma(struct mwl_softc *sc, void *data)
2478 struct mwl_jumbo *buf;
2480 /* XXX bounds check data */
2481 MWL_RXFREE_LOCK(sc);
2482 buf = MWL_JUMBO_DATA2BUF(data);
2483 SLIST_INSERT_HEAD(&sc->sc_rxfree, buf, next);
2485 MWL_RXFREE_UNLOCK(sc);
2489 mwl_rxbuf_init(struct mwl_softc *sc, struct mwl_rxbuf *bf)
2491 struct mwl_rxdesc *ds;
2494 if (bf->bf_data == NULL) {
2495 bf->bf_data = mwl_getrxdma(sc);
2496 if (bf->bf_data == NULL) {
2497 /* mark descriptor to be skipped */
2498 ds->RxControl = EAGLE_RXD_CTRL_OS_OWN;
2499 /* NB: don't need PREREAD */
2500 MWL_RXDESC_SYNC(sc, ds, BUS_DMASYNC_PREWRITE);
2501 sc->sc_stats.mst_rxbuf_failed++;
2506 * NB: DMA buffer contents is known to be unmodified
2507 * so there's no need to flush the data cache.
2515 ds->Status = EAGLE_RXD_STATUS_IDLE;
2517 ds->PktLen = htole16(MWL_AGGR_SIZE);
2519 ds->pPhysBuffData = htole32(MWL_JUMBO_DMA_ADDR(sc, bf->bf_data));
2520 /* NB: don't touch pPhysNext, set once */
2521 ds->RxControl = EAGLE_RXD_CTRL_DRIVER_OWN;
2522 MWL_RXDESC_SYNC(sc, ds, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
2528 mwl_ext_free(struct mbuf *m)
2530 struct mwl_softc *sc = m->m_ext.ext_arg1;
2532 /* XXX bounds check data */
2533 mwl_putrxdma(sc, m->m_ext.ext_buf);
2535 * If we were previously blocked by a lack of rx dma buffers
2536 * check if we now have enough to restart rx interrupt handling.
2537 * NB: we know we are called at splvm which is above splnet.
2539 if (sc->sc_rxblocked && sc->sc_nrxfree > mwl_rxdmalow) {
2540 sc->sc_rxblocked = 0;
2541 mwl_hal_intrset(sc->sc_mh, sc->sc_imask);
2545 struct mwl_frame_bar {
2548 u_int8_t i_ra[IEEE80211_ADDR_LEN];
2549 u_int8_t i_ta[IEEE80211_ADDR_LEN];
2554 * Like ieee80211_anyhdrsize, but handles BAR frames
2555 * specially so the logic below to piece the 802.11
2556 * header together works.
2559 mwl_anyhdrsize(const void *data)
2561 const struct ieee80211_frame *wh = data;
2563 if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
2564 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
2565 case IEEE80211_FC0_SUBTYPE_CTS:
2566 case IEEE80211_FC0_SUBTYPE_ACK:
2567 return sizeof(struct ieee80211_frame_ack);
2568 case IEEE80211_FC0_SUBTYPE_BAR:
2569 return sizeof(struct mwl_frame_bar);
2571 return sizeof(struct ieee80211_frame_min);
2573 return ieee80211_hdrsize(data);
2577 mwl_handlemicerror(struct ieee80211com *ic, const uint8_t *data)
2579 const struct ieee80211_frame *wh;
2580 struct ieee80211_node *ni;
2582 wh = (const struct ieee80211_frame *)(data + sizeof(uint16_t));
2583 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
2585 ieee80211_notify_michael_failure(ni->ni_vap, wh, 0);
2586 ieee80211_free_node(ni);
2591 * Convert hardware signal strength to rssi. The value
2592 * provided by the device has the noise floor added in;
2593 * we need to compensate for this but we don't have that
2594 * so we use a fixed value.
2596 * The offset of 8 is good for both 2.4 and 5GHz. The LNA
2597 * offset is already set as part of the initial gain. This
2598 * will give at least +/- 3dB for 2.4GHz and +/- 5dB for 5GHz.
2601 cvtrssi(uint8_t ssi)
2603 int rssi = (int) ssi + 8;
2604 /* XXX hack guess until we have a real noise floor */
2605 rssi = 2*(87 - rssi); /* NB: .5 dBm units */
2606 return (rssi < 0 ? 0 : rssi > 127 ? 127 : rssi);
2610 mwl_rx_proc(void *arg, int npending)
2612 struct mwl_softc *sc = arg;
2613 struct ieee80211com *ic = &sc->sc_ic;
2614 struct mwl_rxbuf *bf;
2615 struct mwl_rxdesc *ds;
2617 struct ieee80211_qosframe *wh;
2618 struct ieee80211_node *ni;
2619 struct mwl_node *mn;
2620 int off, len, hdrlen, pktlen, rssi, ntodo;
2621 uint8_t *data, status;
2625 DPRINTF(sc, MWL_DEBUG_RX_PROC, "%s: pending %u rdptr 0x%x wrptr 0x%x\n",
2626 __func__, npending, RD4(sc, sc->sc_hwspecs.rxDescRead),
2627 RD4(sc, sc->sc_hwspecs.rxDescWrite));
2630 for (ntodo = mwl_rxquota; ntodo > 0; ntodo--) {
2632 bf = STAILQ_FIRST(&sc->sc_rxbuf);
2637 * If data allocation failed previously there
2638 * will be no buffer; try again to re-populate it.
2639 * Note the firmware will not advance to the next
2640 * descriptor with a dma buffer so we must mimic
2641 * this or we'll get out of sync.
2643 DPRINTF(sc, MWL_DEBUG_ANY,
2644 "%s: rx buf w/o dma memory\n", __func__);
2645 (void) mwl_rxbuf_init(sc, bf);
2646 sc->sc_stats.mst_rx_dmabufmissing++;
2649 MWL_RXDESC_SYNC(sc, ds,
2650 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
2651 if (ds->RxControl != EAGLE_RXD_CTRL_DMA_OWN)
2654 if (sc->sc_debug & MWL_DEBUG_RECV_DESC)
2655 mwl_printrxbuf(bf, 0);
2657 status = ds->Status;
2658 if (status & EAGLE_RXD_STATUS_DECRYPT_ERR_MASK) {
2659 counter_u64_add(ic->ic_ierrors, 1);
2660 sc->sc_stats.mst_rx_crypto++;
2662 * NB: Check EAGLE_RXD_STATUS_GENERAL_DECRYPT_ERR
2663 * for backwards compatibility.
2665 if (status != EAGLE_RXD_STATUS_GENERAL_DECRYPT_ERR &&
2666 (status & EAGLE_RXD_STATUS_TKIP_MIC_DECRYPT_ERR)) {
2668 * MIC error, notify upper layers.
2670 bus_dmamap_sync(sc->sc_rxdmat, sc->sc_rxmap,
2671 BUS_DMASYNC_POSTREAD);
2672 mwl_handlemicerror(ic, data);
2673 sc->sc_stats.mst_rx_tkipmic++;
2675 /* XXX too painful to tap packets */
2679 * Sync the data buffer.
2681 len = le16toh(ds->PktLen);
2682 bus_dmamap_sync(sc->sc_rxdmat, sc->sc_rxmap, BUS_DMASYNC_POSTREAD);
2684 * The 802.11 header is provided all or in part at the front;
2685 * use it to calculate the true size of the header that we'll
2686 * construct below. We use this to figure out where to copy
2687 * payload prior to constructing the header.
2689 hdrlen = mwl_anyhdrsize(data + sizeof(uint16_t));
2690 off = sizeof(uint16_t) + sizeof(struct ieee80211_frame_addr4);
2692 /* calculate rssi early so we can re-use for each aggregate */
2693 rssi = cvtrssi(ds->RSSI);
2695 pktlen = hdrlen + (len - off);
2697 * NB: we know our frame is at least as large as
2698 * IEEE80211_MIN_LEN because there is a 4-address
2699 * frame at the front. Hence there's no need to
2700 * vet the packet length. If the frame in fact
2701 * is too small it should be discarded at the
2706 * Attach dma buffer to an mbuf. We tried
2707 * doing this based on the packet size (i.e.
2708 * copying small packets) but it turns out to
2709 * be a net loss. The tradeoff might be system
2710 * dependent (cache architecture is important).
2712 MGETHDR(m, M_NOWAIT, MT_DATA);
2714 DPRINTF(sc, MWL_DEBUG_ANY,
2715 "%s: no rx mbuf\n", __func__);
2716 sc->sc_stats.mst_rx_nombuf++;
2720 * Acquire the replacement dma buffer before
2721 * processing the frame. If we're out of dma
2722 * buffers we disable rx interrupts and wait
2723 * for the free pool to reach mlw_rxdmalow buffers
2724 * before starting to do work again. If the firmware
2725 * runs out of descriptors then it will toss frames
2726 * which is better than our doing it as that can
2727 * starve our processing. It is also important that
2728 * we always process rx'd frames in case they are
2729 * A-MPDU as otherwise the host's view of the BA
2730 * window may get out of sync with the firmware.
2732 newdata = mwl_getrxdma(sc);
2733 if (newdata == NULL) {
2734 /* NB: stat+msg in mwl_getrxdma */
2736 /* disable RX interrupt and mark state */
2737 mwl_hal_intrset(sc->sc_mh,
2738 sc->sc_imask &~ MACREG_A2HRIC_BIT_RX_RDY);
2739 sc->sc_rxblocked = 1;
2740 ieee80211_drain(ic);
2741 /* XXX check rxblocked and immediately start again? */
2744 bf->bf_data = newdata;
2746 * Attach the dma buffer to the mbuf;
2747 * mwl_rxbuf_init will re-setup the rx
2748 * descriptor using the replacement dma
2749 * buffer we just installed above.
2751 m_extadd(m, data, MWL_AGGR_SIZE, mwl_ext_free, sc, NULL, 0,
2753 m->m_data += off - hdrlen;
2754 m->m_pkthdr.len = m->m_len = pktlen;
2755 /* NB: dma buffer assumed read-only */
2758 * Piece 802.11 header together.
2760 wh = mtod(m, struct ieee80211_qosframe *);
2761 /* NB: don't need to do this sometimes but ... */
2762 /* XXX special case so we can memcpy after m_devget? */
2763 ovbcopy(data + sizeof(uint16_t), wh, hdrlen);
2764 if (IEEE80211_QOS_HAS_SEQ(wh))
2765 *(uint16_t *)ieee80211_getqos(wh) = ds->QosCtrl;
2767 * The f/w strips WEP header but doesn't clear
2768 * the WEP bit; mark the packet with M_WEP so
2769 * net80211 will treat the data as decrypted.
2770 * While here also clear the PWR_MGT bit since
2771 * power save is handled by the firmware and
2772 * passing this up will potentially cause the
2773 * upper layer to put a station in power save
2774 * (except when configured with MWL_HOST_PS_SUPPORT).
2776 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED)
2777 m->m_flags |= M_WEP;
2778 #ifdef MWL_HOST_PS_SUPPORT
2779 wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED;
2781 wh->i_fc[1] &= ~(IEEE80211_FC1_PROTECTED |
2782 IEEE80211_FC1_PWR_MGT);
2785 if (ieee80211_radiotap_active(ic)) {
2786 struct mwl_rx_radiotap_header *tap = &sc->sc_rx_th;
2789 tap->wr_rate = ds->Rate;
2790 tap->wr_antsignal = rssi + nf;
2791 tap->wr_antnoise = nf;
2793 if (IFF_DUMPPKTS_RECV(sc, wh)) {
2794 ieee80211_dump_pkt(ic, mtod(m, caddr_t),
2795 len, ds->Rate, rssi);
2798 ni = ieee80211_find_rxnode(ic,
2799 (const struct ieee80211_frame_min *) wh);
2802 #ifdef MWL_ANT_INFO_SUPPORT
2803 mn->mn_ai.rssi_a = ds->ai.rssi_a;
2804 mn->mn_ai.rssi_b = ds->ai.rssi_b;
2805 mn->mn_ai.rssi_c = ds->ai.rssi_c;
2806 mn->mn_ai.rsvd1 = rssi;
2808 /* tag AMPDU aggregates for reorder processing */
2809 if (ni->ni_flags & IEEE80211_NODE_HT)
2810 m->m_flags |= M_AMPDU;
2811 (void) ieee80211_input(ni, m, rssi, nf);
2812 ieee80211_free_node(ni);
2814 (void) ieee80211_input_all(ic, m, rssi, nf);
2816 /* NB: ignore ENOMEM so we process more descriptors */
2817 (void) mwl_rxbuf_init(sc, bf);
2818 bf = STAILQ_NEXT(bf, bf_list);
2823 if (mbufq_first(&sc->sc_snd) != NULL) {
2824 /* NB: kick fw; the tx thread may have been preempted */
2825 mwl_hal_txstart(sc->sc_mh, 0);
2831 mwl_txq_init(struct mwl_softc *sc, struct mwl_txq *txq, int qnum)
2833 struct mwl_txbuf *bf, *bn;
2834 struct mwl_txdesc *ds;
2836 MWL_TXQ_LOCK_INIT(sc, txq);
2838 txq->txpri = 0; /* XXX */
2840 /* NB: q setup by mwl_txdma_setup XXX */
2841 STAILQ_INIT(&txq->free);
2843 STAILQ_FOREACH(bf, &txq->free, bf_list) {
2847 bn = STAILQ_NEXT(bf, bf_list);
2849 bn = STAILQ_FIRST(&txq->free);
2850 ds->pPhysNext = htole32(bn->bf_daddr);
2852 STAILQ_INIT(&txq->active);
2856 * Setup a hardware data transmit queue for the specified
2857 * access control. We record the mapping from ac's
2858 * to h/w queues for use by mwl_tx_start.
2861 mwl_tx_setup(struct mwl_softc *sc, int ac, int mvtype)
2863 struct mwl_txq *txq;
2865 if (ac >= nitems(sc->sc_ac2q)) {
2866 device_printf(sc->sc_dev, "AC %u out of range, max %zu!\n",
2867 ac, nitems(sc->sc_ac2q));
2870 if (mvtype >= MWL_NUM_TX_QUEUES) {
2871 device_printf(sc->sc_dev, "mvtype %u out of range, max %u!\n",
2872 mvtype, MWL_NUM_TX_QUEUES);
2875 txq = &sc->sc_txq[mvtype];
2876 mwl_txq_init(sc, txq, mvtype);
2877 sc->sc_ac2q[ac] = txq;
2882 * Update WME parameters for a transmit queue.
2885 mwl_txq_update(struct mwl_softc *sc, int ac)
2887 #define MWL_EXPONENT_TO_VALUE(v) ((1<<v)-1)
2888 struct ieee80211com *ic = &sc->sc_ic;
2889 struct chanAccParams chp;
2890 struct mwl_txq *txq = sc->sc_ac2q[ac];
2891 struct wmeParams *wmep;
2892 struct mwl_hal *mh = sc->sc_mh;
2893 int aifs, cwmin, cwmax, txoplim;
2895 ieee80211_wme_ic_getparams(ic, &chp);
2896 wmep = &chp.cap_wmeParams[ac];
2898 aifs = wmep->wmep_aifsn;
2899 /* XXX in sta mode need to pass log values for cwmin/max */
2900 cwmin = MWL_EXPONENT_TO_VALUE(wmep->wmep_logcwmin);
2901 cwmax = MWL_EXPONENT_TO_VALUE(wmep->wmep_logcwmax);
2902 txoplim = wmep->wmep_txopLimit; /* NB: units of 32us */
2904 if (mwl_hal_setedcaparams(mh, txq->qnum, cwmin, cwmax, aifs, txoplim)) {
2905 device_printf(sc->sc_dev, "unable to update hardware queue "
2906 "parameters for %s traffic!\n",
2907 ieee80211_wme_acnames[ac]);
2911 #undef MWL_EXPONENT_TO_VALUE
2915 * Callback from the 802.11 layer to update WME parameters.
2918 mwl_wme_update(struct ieee80211com *ic)
2920 struct mwl_softc *sc = ic->ic_softc;
2922 return !mwl_txq_update(sc, WME_AC_BE) ||
2923 !mwl_txq_update(sc, WME_AC_BK) ||
2924 !mwl_txq_update(sc, WME_AC_VI) ||
2925 !mwl_txq_update(sc, WME_AC_VO) ? EIO : 0;
2929 * Reclaim resources for a setup queue.
2932 mwl_tx_cleanupq(struct mwl_softc *sc, struct mwl_txq *txq)
2935 MWL_TXQ_LOCK_DESTROY(txq);
2939 * Reclaim all tx queue resources.
2942 mwl_tx_cleanup(struct mwl_softc *sc)
2946 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
2947 mwl_tx_cleanupq(sc, &sc->sc_txq[i]);
2951 mwl_tx_dmasetup(struct mwl_softc *sc, struct mwl_txbuf *bf, struct mbuf *m0)
2957 * Load the DMA map so any coalescing is done. This
2958 * also calculates the number of descriptors we need.
2960 error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0,
2961 bf->bf_segs, &bf->bf_nseg,
2963 if (error == EFBIG) {
2964 /* XXX packet requires too many descriptors */
2965 bf->bf_nseg = MWL_TXDESC+1;
2966 } else if (error != 0) {
2967 sc->sc_stats.mst_tx_busdma++;
2972 * Discard null packets and check for packets that
2973 * require too many TX descriptors. We try to convert
2974 * the latter to a cluster.
2976 if (error == EFBIG) { /* too many desc's, linearize */
2977 sc->sc_stats.mst_tx_linear++;
2979 m = m_collapse(m0, M_NOWAIT, MWL_TXDESC);
2981 m = m_defrag(m0, M_NOWAIT);
2985 sc->sc_stats.mst_tx_nombuf++;
2989 error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0,
2990 bf->bf_segs, &bf->bf_nseg,
2993 sc->sc_stats.mst_tx_busdma++;
2997 KASSERT(bf->bf_nseg <= MWL_TXDESC,
2998 ("too many segments after defrag; nseg %u", bf->bf_nseg));
2999 } else if (bf->bf_nseg == 0) { /* null packet, discard */
3000 sc->sc_stats.mst_tx_nodata++;
3004 DPRINTF(sc, MWL_DEBUG_XMIT, "%s: m %p len %u\n",
3005 __func__, m0, m0->m_pkthdr.len);
3006 bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap, BUS_DMASYNC_PREWRITE);
3013 mwl_cvtlegacyrate(int rate)
3034 * Calculate fixed tx rate information per client state;
3035 * this value is suitable for writing to the Format field
3036 * of a tx descriptor.
3039 mwl_calcformat(uint8_t rate, const struct ieee80211_node *ni)
3043 fmt = SM(3, EAGLE_TXD_ANTENNA)
3044 | (IEEE80211_IS_CHAN_HT40D(ni->ni_chan) ?
3045 EAGLE_TXD_EXTCHAN_LO : EAGLE_TXD_EXTCHAN_HI);
3046 if (rate & IEEE80211_RATE_MCS) { /* HT MCS */
3047 fmt |= EAGLE_TXD_FORMAT_HT
3048 /* NB: 0x80 implicitly stripped from ucastrate */
3049 | SM(rate, EAGLE_TXD_RATE);
3050 /* XXX short/long GI may be wrong; re-check */
3051 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
3052 fmt |= EAGLE_TXD_CHW_40
3053 | (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40 ?
3054 EAGLE_TXD_GI_SHORT : EAGLE_TXD_GI_LONG);
3056 fmt |= EAGLE_TXD_CHW_20
3057 | (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20 ?
3058 EAGLE_TXD_GI_SHORT : EAGLE_TXD_GI_LONG);
3060 } else { /* legacy rate */
3061 fmt |= EAGLE_TXD_FORMAT_LEGACY
3062 | SM(mwl_cvtlegacyrate(rate), EAGLE_TXD_RATE)
3064 /* XXX iv_flags & IEEE80211_F_SHPREAMBLE? */
3065 | (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE ?
3066 EAGLE_TXD_PREAMBLE_SHORT : EAGLE_TXD_PREAMBLE_LONG);
3072 mwl_tx_start(struct mwl_softc *sc, struct ieee80211_node *ni, struct mwl_txbuf *bf,
3075 struct ieee80211com *ic = &sc->sc_ic;
3076 struct ieee80211vap *vap = ni->ni_vap;
3077 int error, iswep, ismcast;
3078 int hdrlen, copyhdrlen, pktlen;
3079 struct mwl_txdesc *ds;
3080 struct mwl_txq *txq;
3081 struct ieee80211_frame *wh;
3082 struct mwltxrec *tr;
3083 struct mwl_node *mn;
3089 wh = mtod(m0, struct ieee80211_frame *);
3090 iswep = wh->i_fc[1] & IEEE80211_FC1_PROTECTED;
3091 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1);
3092 hdrlen = ieee80211_anyhdrsize(wh);
3093 copyhdrlen = hdrlen;
3094 pktlen = m0->m_pkthdr.len;
3095 if (IEEE80211_QOS_HAS_SEQ(wh)) {
3096 qos = *(uint16_t *)ieee80211_getqos(wh);
3097 if (IEEE80211_IS_DSTODS(wh))
3098 copyhdrlen -= sizeof(qos);
3103 const struct ieee80211_cipher *cip;
3104 struct ieee80211_key *k;
3107 * Construct the 802.11 header+trailer for an encrypted
3108 * frame. The only reason this can fail is because of an
3109 * unknown or unsupported cipher/key type.
3111 * NB: we do this even though the firmware will ignore
3112 * what we've done for WEP and TKIP as we need the
3113 * ExtIV filled in for CCMP and this also adjusts
3114 * the headers which simplifies our work below.
3116 k = ieee80211_crypto_encap(ni, m0);
3119 * This can happen when the key is yanked after the
3120 * frame was queued. Just discard the frame; the
3121 * 802.11 layer counts failures and provides
3122 * debugging/diagnostics.
3128 * Adjust the packet length for the crypto additions
3129 * done during encap and any other bits that the f/w
3130 * will add later on.
3133 pktlen += cip->ic_header + cip->ic_miclen + cip->ic_trailer;
3135 /* packet header may have moved, reset our local pointer */
3136 wh = mtod(m0, struct ieee80211_frame *);
3139 if (ieee80211_radiotap_active_vap(vap)) {
3140 sc->sc_tx_th.wt_flags = 0; /* XXX */
3142 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP;
3144 sc->sc_tx_th.wt_rate = ds->DataRate;
3146 sc->sc_tx_th.wt_txpower = ni->ni_txpower;
3147 sc->sc_tx_th.wt_antenna = sc->sc_txantenna;
3149 ieee80211_radiotap_tx(vap, m0);
3152 * Copy up/down the 802.11 header; the firmware requires
3153 * we present a 2-byte payload length followed by a
3154 * 4-address header (w/o QoS), followed (optionally) by
3155 * any WEP/ExtIV header (but only filled in for CCMP).
3156 * We are assured the mbuf has sufficient headroom to
3157 * prepend in-place by the setup of ic_headroom in
3160 if (hdrlen < sizeof(struct mwltxrec)) {
3161 const int space = sizeof(struct mwltxrec) - hdrlen;
3162 if (M_LEADINGSPACE(m0) < space) {
3163 /* NB: should never happen */
3164 device_printf(sc->sc_dev,
3165 "not enough headroom, need %d found %zd, "
3166 "m_flags 0x%x m_len %d\n",
3167 space, M_LEADINGSPACE(m0), m0->m_flags, m0->m_len);
3168 ieee80211_dump_pkt(ic,
3169 mtod(m0, const uint8_t *), m0->m_len, 0, -1);
3171 sc->sc_stats.mst_tx_noheadroom++;
3174 M_PREPEND(m0, space, M_NOWAIT);
3176 tr = mtod(m0, struct mwltxrec *);
3177 if (wh != (struct ieee80211_frame *) &tr->wh)
3178 ovbcopy(wh, &tr->wh, hdrlen);
3180 * Note: the "firmware length" is actually the length
3181 * of the fully formed "802.11 payload". That is, it's
3182 * everything except for the 802.11 header. In particular
3183 * this includes all crypto material including the MIC!
3185 tr->fwlen = htole16(pktlen - hdrlen);
3188 * Load the DMA map so any coalescing is done. This
3189 * also calculates the number of descriptors we need.
3191 error = mwl_tx_dmasetup(sc, bf, m0);
3193 /* NB: stat collected in mwl_tx_dmasetup */
3194 DPRINTF(sc, MWL_DEBUG_XMIT,
3195 "%s: unable to setup dma\n", __func__);
3198 bf->bf_node = ni; /* NB: held reference */
3199 m0 = bf->bf_m; /* NB: may have changed */
3200 tr = mtod(m0, struct mwltxrec *);
3201 wh = (struct ieee80211_frame *)&tr->wh;
3204 * Formulate tx descriptor.
3209 ds->QosCtrl = qos; /* NB: already little-endian */
3212 * NB: multiframes should be zero because the descriptors
3213 * are initialized to zero. This should handle the case
3214 * where the driver is built with MWL_TXDESC=1 but we are
3215 * using firmware with multi-segment support.
3217 ds->PktPtr = htole32(bf->bf_segs[0].ds_addr);
3218 ds->PktLen = htole16(bf->bf_segs[0].ds_len);
3220 ds->multiframes = htole32(bf->bf_nseg);
3221 ds->PktLen = htole16(m0->m_pkthdr.len);
3222 for (i = 0; i < bf->bf_nseg; i++) {
3223 ds->PktPtrArray[i] = htole32(bf->bf_segs[i].ds_addr);
3224 ds->PktLenArray[i] = htole16(bf->bf_segs[i].ds_len);
3227 /* NB: pPhysNext, DataRate, and SapPktInfo setup once, don't touch */
3230 ds->ack_wcb_addr = 0;
3234 * Select transmit rate.
3236 switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
3237 case IEEE80211_FC0_TYPE_MGT:
3238 sc->sc_stats.mst_tx_mgmt++;
3240 case IEEE80211_FC0_TYPE_CTL:
3241 /* NB: assign to BE q to avoid bursting */
3242 ds->TxPriority = MWL_WME_AC_BE;
3244 case IEEE80211_FC0_TYPE_DATA:
3246 const struct ieee80211_txparam *tp = ni->ni_txparms;
3248 * EAPOL frames get forced to a fixed rate and w/o
3249 * aggregation; otherwise check for any fixed rate
3250 * for the client (may depend on association state).
3252 if (m0->m_flags & M_EAPOL) {
3253 const struct mwl_vap *mvp = MWL_VAP_CONST(vap);
3254 ds->Format = mvp->mv_eapolformat;
3256 EAGLE_TXD_FIXED_RATE | EAGLE_TXD_DONT_AGGR);
3257 } else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) {
3258 /* XXX pre-calculate per node */
3259 ds->Format = htole16(
3260 mwl_calcformat(tp->ucastrate, ni));
3261 ds->pad = htole16(EAGLE_TXD_FIXED_RATE);
3263 /* NB: EAPOL frames will never have qos set */
3265 ds->TxPriority = txq->qnum;
3267 else if (mwl_bastream_match(&mn->mn_ba[3], qos))
3268 ds->TxPriority = mn->mn_ba[3].txq;
3271 else if (mwl_bastream_match(&mn->mn_ba[2], qos))
3272 ds->TxPriority = mn->mn_ba[2].txq;
3275 else if (mwl_bastream_match(&mn->mn_ba[1], qos))
3276 ds->TxPriority = mn->mn_ba[1].txq;
3279 else if (mwl_bastream_match(&mn->mn_ba[0], qos))
3280 ds->TxPriority = mn->mn_ba[0].txq;
3283 ds->TxPriority = txq->qnum;
3285 ds->TxPriority = txq->qnum;
3288 device_printf(sc->sc_dev, "bogus frame type 0x%x (%s)\n",
3289 wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK, __func__);
3290 sc->sc_stats.mst_tx_badframetype++;
3295 if (IFF_DUMPPKTS_XMIT(sc))
3296 ieee80211_dump_pkt(ic,
3297 mtod(m0, const uint8_t *)+sizeof(uint16_t),
3298 m0->m_len - sizeof(uint16_t), ds->DataRate, -1);
3301 ds->Status = htole32(EAGLE_TXD_STATUS_FW_OWNED);
3302 STAILQ_INSERT_TAIL(&txq->active, bf, bf_list);
3303 MWL_TXDESC_SYNC(txq, ds, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3305 sc->sc_tx_timer = 5;
3306 MWL_TXQ_UNLOCK(txq);
3312 mwl_cvtlegacyrix(int rix)
3314 static const int ieeerates[] =
3315 { 2, 4, 11, 22, 44, 12, 18, 24, 36, 48, 72, 96, 108 };
3316 return (rix < nitems(ieeerates) ? ieeerates[rix] : 0);
3320 * Process completed xmit descriptors from the specified queue.
3323 mwl_tx_processq(struct mwl_softc *sc, struct mwl_txq *txq)
3325 #define EAGLE_TXD_STATUS_MCAST \
3326 (EAGLE_TXD_STATUS_MULTICAST_TX | EAGLE_TXD_STATUS_BROADCAST_TX)
3327 struct ieee80211com *ic = &sc->sc_ic;
3328 struct mwl_txbuf *bf;
3329 struct mwl_txdesc *ds;
3330 struct ieee80211_node *ni;
3331 struct mwl_node *an;
3335 DPRINTF(sc, MWL_DEBUG_TX_PROC, "%s: tx queue %u\n", __func__, txq->qnum);
3336 for (nreaped = 0;; nreaped++) {
3338 bf = STAILQ_FIRST(&txq->active);
3340 MWL_TXQ_UNLOCK(txq);
3344 MWL_TXDESC_SYNC(txq, ds,
3345 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3346 if (ds->Status & htole32(EAGLE_TXD_STATUS_FW_OWNED)) {
3347 MWL_TXQ_UNLOCK(txq);
3350 STAILQ_REMOVE_HEAD(&txq->active, bf_list);
3351 MWL_TXQ_UNLOCK(txq);
3354 if (sc->sc_debug & MWL_DEBUG_XMIT_DESC)
3355 mwl_printtxbuf(bf, txq->qnum, nreaped);
3360 status = le32toh(ds->Status);
3361 if (status & EAGLE_TXD_STATUS_OK) {
3362 uint16_t Format = le16toh(ds->Format);
3363 uint8_t txant = MS(Format, EAGLE_TXD_ANTENNA);
3365 sc->sc_stats.mst_ant_tx[txant]++;
3366 if (status & EAGLE_TXD_STATUS_OK_RETRY)
3367 sc->sc_stats.mst_tx_retries++;
3368 if (status & EAGLE_TXD_STATUS_OK_MORE_RETRY)
3369 sc->sc_stats.mst_tx_mretries++;
3370 if (txq->qnum >= MWL_WME_AC_VO)
3371 ic->ic_wme.wme_hipri_traffic++;
3372 ni->ni_txrate = MS(Format, EAGLE_TXD_RATE);
3373 if ((Format & EAGLE_TXD_FORMAT_HT) == 0) {
3374 ni->ni_txrate = mwl_cvtlegacyrix(
3377 ni->ni_txrate |= IEEE80211_RATE_MCS;
3378 sc->sc_stats.mst_tx_rate = ni->ni_txrate;
3380 if (status & EAGLE_TXD_STATUS_FAILED_LINK_ERROR)
3381 sc->sc_stats.mst_tx_linkerror++;
3382 if (status & EAGLE_TXD_STATUS_FAILED_XRETRY)
3383 sc->sc_stats.mst_tx_xretries++;
3384 if (status & EAGLE_TXD_STATUS_FAILED_AGING)
3385 sc->sc_stats.mst_tx_aging++;
3386 if (bf->bf_m->m_flags & M_FF)
3387 sc->sc_stats.mst_ff_txerr++;
3389 if (bf->bf_m->m_flags & M_TXCB)
3390 /* XXX strip fw len in case header inspected */
3391 m_adj(bf->bf_m, sizeof(uint16_t));
3392 ieee80211_tx_complete(ni, bf->bf_m,
3393 (status & EAGLE_TXD_STATUS_OK) == 0);
3396 ds->Status = htole32(EAGLE_TXD_STATUS_IDLE);
3398 bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap,
3399 BUS_DMASYNC_POSTWRITE);
3400 bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap);
3402 mwl_puttxbuf_tail(txq, bf);
3405 #undef EAGLE_TXD_STATUS_MCAST
3409 * Deferred processing of transmit interrupt; special-cased
3410 * for four hardware queues, 0-3.
3413 mwl_tx_proc(void *arg, int npending)
3415 struct mwl_softc *sc = arg;
3419 * Process each active queue.
3422 if (!STAILQ_EMPTY(&sc->sc_txq[0].active))
3423 nreaped += mwl_tx_processq(sc, &sc->sc_txq[0]);
3424 if (!STAILQ_EMPTY(&sc->sc_txq[1].active))
3425 nreaped += mwl_tx_processq(sc, &sc->sc_txq[1]);
3426 if (!STAILQ_EMPTY(&sc->sc_txq[2].active))
3427 nreaped += mwl_tx_processq(sc, &sc->sc_txq[2]);
3428 if (!STAILQ_EMPTY(&sc->sc_txq[3].active))
3429 nreaped += mwl_tx_processq(sc, &sc->sc_txq[3]);
3432 sc->sc_tx_timer = 0;
3433 if (mbufq_first(&sc->sc_snd) != NULL) {
3434 /* NB: kick fw; the tx thread may have been preempted */
3435 mwl_hal_txstart(sc->sc_mh, 0);
3442 mwl_tx_draintxq(struct mwl_softc *sc, struct mwl_txq *txq)
3444 struct ieee80211_node *ni;
3445 struct mwl_txbuf *bf;
3449 * NB: this assumes output has been stopped and
3450 * we do not need to block mwl_tx_tasklet
3452 for (ix = 0;; ix++) {
3454 bf = STAILQ_FIRST(&txq->active);
3456 MWL_TXQ_UNLOCK(txq);
3459 STAILQ_REMOVE_HEAD(&txq->active, bf_list);
3460 MWL_TXQ_UNLOCK(txq);
3462 if (sc->sc_debug & MWL_DEBUG_RESET) {
3463 struct ieee80211com *ic = &sc->sc_ic;
3464 const struct mwltxrec *tr =
3465 mtod(bf->bf_m, const struct mwltxrec *);
3466 mwl_printtxbuf(bf, txq->qnum, ix);
3467 ieee80211_dump_pkt(ic, (const uint8_t *)&tr->wh,
3468 bf->bf_m->m_len - sizeof(tr->fwlen), 0, -1);
3470 #endif /* MWL_DEBUG */
3471 bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap);
3475 * Reclaim node reference.
3477 ieee80211_free_node(ni);
3481 mwl_puttxbuf_tail(txq, bf);
3486 * Drain the transmit queues and reclaim resources.
3489 mwl_draintxq(struct mwl_softc *sc)
3493 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
3494 mwl_tx_draintxq(sc, &sc->sc_txq[i]);
3495 sc->sc_tx_timer = 0;
3500 * Reset the transmit queues to a pristine state after a fw download.
3503 mwl_resettxq(struct mwl_softc *sc)
3507 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
3508 mwl_txq_reset(sc, &sc->sc_txq[i]);
3510 #endif /* MWL_DIAGAPI */
3513 * Clear the transmit queues of any frames submitted for the
3514 * specified vap. This is done when the vap is deleted so we
3515 * don't potentially reference the vap after it is gone.
3516 * Note we cannot remove the frames; we only reclaim the node
3520 mwl_cleartxq(struct mwl_softc *sc, struct ieee80211vap *vap)
3522 struct mwl_txq *txq;
3523 struct mwl_txbuf *bf;
3526 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) {
3527 txq = &sc->sc_txq[i];
3529 STAILQ_FOREACH(bf, &txq->active, bf_list) {
3530 struct ieee80211_node *ni = bf->bf_node;
3531 if (ni != NULL && ni->ni_vap == vap) {
3533 ieee80211_free_node(ni);
3536 MWL_TXQ_UNLOCK(txq);
3541 mwl_recv_action(struct ieee80211_node *ni, const struct ieee80211_frame *wh,
3542 const uint8_t *frm, const uint8_t *efrm)
3544 struct mwl_softc *sc = ni->ni_ic->ic_softc;
3545 const struct ieee80211_action *ia;
3547 ia = (const struct ieee80211_action *) frm;
3548 if (ia->ia_category == IEEE80211_ACTION_CAT_HT &&
3549 ia->ia_action == IEEE80211_ACTION_HT_MIMOPWRSAVE) {
3550 const struct ieee80211_action_ht_mimopowersave *mps =
3551 (const struct ieee80211_action_ht_mimopowersave *) ia;
3553 mwl_hal_setmimops(sc->sc_mh, ni->ni_macaddr,
3554 mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_ENA,
3555 MS(mps->am_control, IEEE80211_A_HT_MIMOPWRSAVE_MODE));
3558 return sc->sc_recv_action(ni, wh, frm, efrm);
3562 mwl_addba_request(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap,
3563 int dialogtoken, int baparamset, int batimeout)
3565 struct mwl_softc *sc = ni->ni_ic->ic_softc;
3566 struct ieee80211vap *vap = ni->ni_vap;
3567 struct mwl_node *mn = MWL_NODE(ni);
3568 struct mwl_bastate *bas;
3570 bas = tap->txa_private;
3572 const MWL_HAL_BASTREAM *sp;
3574 * Check for a free BA stream slot.
3577 if (mn->mn_ba[3].bastream == NULL)
3578 bas = &mn->mn_ba[3];
3582 if (mn->mn_ba[2].bastream == NULL)
3583 bas = &mn->mn_ba[2];
3587 if (mn->mn_ba[1].bastream == NULL)
3588 bas = &mn->mn_ba[1];
3592 if (mn->mn_ba[0].bastream == NULL)
3593 bas = &mn->mn_ba[0];
3597 /* sta already has max BA streams */
3598 /* XXX assign BA stream to highest priority tid */
3599 DPRINTF(sc, MWL_DEBUG_AMPDU,
3600 "%s: already has max bastreams\n", __func__);
3601 sc->sc_stats.mst_ampdu_reject++;
3604 /* NB: no held reference to ni */
3605 sp = mwl_hal_bastream_alloc(MWL_VAP(vap)->mv_hvap,
3606 (baparamset & IEEE80211_BAPS_POLICY_IMMEDIATE) != 0,
3607 ni->ni_macaddr, tap->txa_tid, ni->ni_htparam,
3611 * No available stream, return 0 so no
3612 * a-mpdu aggregation will be done.
3614 DPRINTF(sc, MWL_DEBUG_AMPDU,
3615 "%s: no bastream available\n", __func__);
3616 sc->sc_stats.mst_ampdu_nostream++;
3619 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: alloc bastream %p\n",
3621 /* NB: qos is left zero so we won't match in mwl_tx_start */
3623 tap->txa_private = bas;
3625 /* fetch current seq# from the firmware; if available */
3626 if (mwl_hal_bastream_get_seqno(sc->sc_mh, bas->bastream,
3627 vap->iv_opmode == IEEE80211_M_STA ? vap->iv_myaddr : ni->ni_macaddr,
3628 &tap->txa_start) != 0)
3630 return sc->sc_addba_request(ni, tap, dialogtoken, baparamset, batimeout);
3634 mwl_addba_response(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap,
3635 int code, int baparamset, int batimeout)
3637 struct mwl_softc *sc = ni->ni_ic->ic_softc;
3638 struct mwl_bastate *bas;
3640 bas = tap->txa_private;
3642 /* XXX should not happen */
3643 DPRINTF(sc, MWL_DEBUG_AMPDU,
3644 "%s: no BA stream allocated, TID %d\n",
3645 __func__, tap->txa_tid);
3646 sc->sc_stats.mst_addba_nostream++;
3649 if (code == IEEE80211_STATUS_SUCCESS) {
3650 struct ieee80211vap *vap = ni->ni_vap;
3654 * Tell the firmware to setup the BA stream;
3655 * we know resources are available because we
3656 * pre-allocated one before forming the request.
3658 bufsiz = MS(baparamset, IEEE80211_BAPS_BUFSIZ);
3660 bufsiz = IEEE80211_AGGR_BAWMAX;
3661 error = mwl_hal_bastream_create(MWL_VAP(vap)->mv_hvap,
3662 bas->bastream, bufsiz, bufsiz, tap->txa_start);
3665 * Setup failed, return immediately so no a-mpdu
3666 * aggregation will be done.
3668 mwl_hal_bastream_destroy(sc->sc_mh, bas->bastream);
3669 mwl_bastream_free(bas);
3670 tap->txa_private = NULL;
3672 DPRINTF(sc, MWL_DEBUG_AMPDU,
3673 "%s: create failed, error %d, bufsiz %d TID %d "
3674 "htparam 0x%x\n", __func__, error, bufsiz,
3675 tap->txa_tid, ni->ni_htparam);
3676 sc->sc_stats.mst_bacreate_failed++;
3679 /* NB: cache txq to avoid ptr indirect */
3680 mwl_bastream_setup(bas, tap->txa_tid, bas->bastream->txq);
3681 DPRINTF(sc, MWL_DEBUG_AMPDU,
3682 "%s: bastream %p assigned to txq %d TID %d bufsiz %d "
3683 "htparam 0x%x\n", __func__, bas->bastream,
3684 bas->txq, tap->txa_tid, bufsiz, ni->ni_htparam);
3687 * Other side NAK'd us; return the resources.
3689 DPRINTF(sc, MWL_DEBUG_AMPDU,
3690 "%s: request failed with code %d, destroy bastream %p\n",
3691 __func__, code, bas->bastream);
3692 mwl_hal_bastream_destroy(sc->sc_mh, bas->bastream);
3693 mwl_bastream_free(bas);
3694 tap->txa_private = NULL;
3696 /* NB: firmware sends BAR so we don't need to */
3697 return sc->sc_addba_response(ni, tap, code, baparamset, batimeout);
3701 mwl_addba_stop(struct ieee80211_node *ni, struct ieee80211_tx_ampdu *tap)
3703 struct mwl_softc *sc = ni->ni_ic->ic_softc;
3704 struct mwl_bastate *bas;
3706 bas = tap->txa_private;
3708 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: destroy bastream %p\n",
3709 __func__, bas->bastream);
3710 mwl_hal_bastream_destroy(sc->sc_mh, bas->bastream);
3711 mwl_bastream_free(bas);
3712 tap->txa_private = NULL;
3714 sc->sc_addba_stop(ni, tap);
3718 * Setup the rx data structures. This should only be
3719 * done once or we may get out of sync with the firmware.
3722 mwl_startrecv(struct mwl_softc *sc)
3724 if (!sc->sc_recvsetup) {
3725 struct mwl_rxbuf *bf, *prev;
3726 struct mwl_rxdesc *ds;
3729 STAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) {
3730 int error = mwl_rxbuf_init(sc, bf);
3732 DPRINTF(sc, MWL_DEBUG_RECV,
3733 "%s: mwl_rxbuf_init failed %d\n",
3739 ds->pPhysNext = htole32(bf->bf_daddr);
3746 htole32(STAILQ_FIRST(&sc->sc_rxbuf)->bf_daddr);
3748 sc->sc_recvsetup = 1;
3750 mwl_mode_init(sc); /* set filters, etc. */
3754 static MWL_HAL_APMODE
3755 mwl_getapmode(const struct ieee80211vap *vap, struct ieee80211_channel *chan)
3757 MWL_HAL_APMODE mode;
3759 if (IEEE80211_IS_CHAN_HT(chan)) {
3760 if (vap->iv_flags_ht & IEEE80211_FHT_PUREN)
3761 mode = AP_MODE_N_ONLY;
3762 else if (IEEE80211_IS_CHAN_5GHZ(chan))
3763 mode = AP_MODE_AandN;
3764 else if (vap->iv_flags & IEEE80211_F_PUREG)
3765 mode = AP_MODE_GandN;
3767 mode = AP_MODE_BandGandN;
3768 } else if (IEEE80211_IS_CHAN_ANYG(chan)) {
3769 if (vap->iv_flags & IEEE80211_F_PUREG)
3770 mode = AP_MODE_G_ONLY;
3772 mode = AP_MODE_MIXED;
3773 } else if (IEEE80211_IS_CHAN_B(chan))
3774 mode = AP_MODE_B_ONLY;
3775 else if (IEEE80211_IS_CHAN_A(chan))
3776 mode = AP_MODE_A_ONLY;
3778 mode = AP_MODE_MIXED; /* XXX should not happen? */
3783 mwl_setapmode(struct ieee80211vap *vap, struct ieee80211_channel *chan)
3785 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
3786 return mwl_hal_setapmode(hvap, mwl_getapmode(vap, chan));
3790 * Set/change channels.
3793 mwl_chan_set(struct mwl_softc *sc, struct ieee80211_channel *chan)
3795 struct mwl_hal *mh = sc->sc_mh;
3796 struct ieee80211com *ic = &sc->sc_ic;
3797 MWL_HAL_CHANNEL hchan;
3800 DPRINTF(sc, MWL_DEBUG_RESET, "%s: chan %u MHz/flags 0x%x\n",
3801 __func__, chan->ic_freq, chan->ic_flags);
3804 * Convert to a HAL channel description with
3805 * the flags constrained to reflect the current
3808 mwl_mapchan(&hchan, chan);
3809 mwl_hal_intrset(mh, 0); /* disable interrupts */
3811 mwl_draintxq(sc); /* clear pending tx frames */
3813 mwl_hal_setchannel(mh, &hchan);
3815 * Tx power is cap'd by the regulatory setting and
3816 * possibly a user-set limit. We pass the min of
3817 * these to the hal to apply them to the cal data
3821 maxtxpow = 2*chan->ic_maxregpower;
3822 if (maxtxpow > ic->ic_txpowlimit)
3823 maxtxpow = ic->ic_txpowlimit;
3824 mwl_hal_settxpower(mh, &hchan, maxtxpow / 2);
3825 /* NB: potentially change mcast/mgt rates */
3826 mwl_setcurchanrates(sc);
3829 * Update internal state.
3831 sc->sc_tx_th.wt_chan_freq = htole16(chan->ic_freq);
3832 sc->sc_rx_th.wr_chan_freq = htole16(chan->ic_freq);
3833 if (IEEE80211_IS_CHAN_A(chan)) {
3834 sc->sc_tx_th.wt_chan_flags = htole16(IEEE80211_CHAN_A);
3835 sc->sc_rx_th.wr_chan_flags = htole16(IEEE80211_CHAN_A);
3836 } else if (IEEE80211_IS_CHAN_ANYG(chan)) {
3837 sc->sc_tx_th.wt_chan_flags = htole16(IEEE80211_CHAN_G);
3838 sc->sc_rx_th.wr_chan_flags = htole16(IEEE80211_CHAN_G);
3840 sc->sc_tx_th.wt_chan_flags = htole16(IEEE80211_CHAN_B);
3841 sc->sc_rx_th.wr_chan_flags = htole16(IEEE80211_CHAN_B);
3843 sc->sc_curchan = hchan;
3844 mwl_hal_intrset(mh, sc->sc_imask);
3850 mwl_scan_start(struct ieee80211com *ic)
3852 struct mwl_softc *sc = ic->ic_softc;
3854 DPRINTF(sc, MWL_DEBUG_STATE, "%s\n", __func__);
3858 mwl_scan_end(struct ieee80211com *ic)
3860 struct mwl_softc *sc = ic->ic_softc;
3862 DPRINTF(sc, MWL_DEBUG_STATE, "%s\n", __func__);
3866 mwl_set_channel(struct ieee80211com *ic)
3868 struct mwl_softc *sc = ic->ic_softc;
3870 (void) mwl_chan_set(sc, ic->ic_curchan);
3874 * Handle a channel switch request. We inform the firmware
3875 * and mark the global state to suppress various actions.
3876 * NB: we issue only one request to the fw; we may be called
3877 * multiple times if there are multiple vap's.
3880 mwl_startcsa(struct ieee80211vap *vap)
3882 struct ieee80211com *ic = vap->iv_ic;
3883 struct mwl_softc *sc = ic->ic_softc;
3884 MWL_HAL_CHANNEL hchan;
3886 if (sc->sc_csapending)
3889 mwl_mapchan(&hchan, ic->ic_csa_newchan);
3890 /* 1 =>'s quiet channel */
3891 mwl_hal_setchannelswitchie(sc->sc_mh, &hchan, 1, ic->ic_csa_count);
3892 sc->sc_csapending = 1;
3896 * Plumb any static WEP key for the station. This is
3897 * necessary as we must propagate the key from the
3898 * global key table of the vap to each sta db entry.
3901 mwl_setanywepkey(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
3903 if ((vap->iv_flags & (IEEE80211_F_PRIVACY|IEEE80211_F_WPA)) ==
3904 IEEE80211_F_PRIVACY &&
3905 vap->iv_def_txkey != IEEE80211_KEYIX_NONE &&
3906 vap->iv_nw_keys[vap->iv_def_txkey].wk_keyix != IEEE80211_KEYIX_NONE)
3907 (void) _mwl_key_set(vap, &vap->iv_nw_keys[vap->iv_def_txkey],
3912 mwl_peerstadb(struct ieee80211_node *ni, int aid, int staid, MWL_HAL_PEERINFO *pi)
3914 #define WME(ie) ((const struct ieee80211_wme_info *) ie)
3915 struct ieee80211vap *vap = ni->ni_vap;
3916 struct mwl_hal_vap *hvap;
3919 if (vap->iv_opmode == IEEE80211_M_WDS) {
3921 * WDS vap's do not have a f/w vap; instead they piggyback
3922 * on an AP vap and we must install the sta db entry and
3923 * crypto state using that AP's handle (the WDS vap has none).
3925 hvap = MWL_VAP(vap)->mv_ap_hvap;
3927 hvap = MWL_VAP(vap)->mv_hvap;
3928 error = mwl_hal_newstation(hvap, ni->ni_macaddr,
3930 ni->ni_flags & (IEEE80211_NODE_QOS | IEEE80211_NODE_HT),
3931 ni->ni_ies.wme_ie != NULL ? WME(ni->ni_ies.wme_ie)->wme_info : 0);
3934 * Setup security for this station. For sta mode this is
3935 * needed even though do the same thing on transition to
3936 * AUTH state because the call to mwl_hal_newstation
3937 * clobbers the crypto state we setup.
3939 mwl_setanywepkey(vap, ni->ni_macaddr);
3946 mwl_setglobalkeys(struct ieee80211vap *vap)
3948 struct ieee80211_key *wk;
3950 wk = &vap->iv_nw_keys[0];
3951 for (; wk < &vap->iv_nw_keys[IEEE80211_WEP_NKID]; wk++)
3952 if (wk->wk_keyix != IEEE80211_KEYIX_NONE)
3953 (void) _mwl_key_set(vap, wk, vap->iv_myaddr);
3957 * Convert a legacy rate set to a firmware bitmask.
3960 get_rate_bitmap(const struct ieee80211_rateset *rs)
3966 for (i = 0; i < rs->rs_nrates; i++)
3967 switch (rs->rs_rates[i] & IEEE80211_RATE_VAL) {
3968 case 2: rates |= 0x001; break;
3969 case 4: rates |= 0x002; break;
3970 case 11: rates |= 0x004; break;
3971 case 22: rates |= 0x008; break;
3972 case 44: rates |= 0x010; break;
3973 case 12: rates |= 0x020; break;
3974 case 18: rates |= 0x040; break;
3975 case 24: rates |= 0x080; break;
3976 case 36: rates |= 0x100; break;
3977 case 48: rates |= 0x200; break;
3978 case 72: rates |= 0x400; break;
3979 case 96: rates |= 0x800; break;
3980 case 108: rates |= 0x1000; break;
3986 * Construct an HT firmware bitmask from an HT rate set.
3989 get_htrate_bitmap(const struct ieee80211_htrateset *rs)
3995 for (i = 0; i < rs->rs_nrates; i++) {
3996 if (rs->rs_rates[i] < 16)
3997 rates |= 1<<rs->rs_rates[i];
4003 * Craft station database entry for station.
4004 * NB: use host byte order here, the hal handles byte swapping.
4006 static MWL_HAL_PEERINFO *
4007 mkpeerinfo(MWL_HAL_PEERINFO *pi, const struct ieee80211_node *ni)
4009 const struct ieee80211vap *vap = ni->ni_vap;
4011 memset(pi, 0, sizeof(*pi));
4012 pi->LegacyRateBitMap = get_rate_bitmap(&ni->ni_rates);
4013 pi->CapInfo = ni->ni_capinfo;
4014 if (ni->ni_flags & IEEE80211_NODE_HT) {
4015 /* HT capabilities, etc */
4016 pi->HTCapabilitiesInfo = ni->ni_htcap;
4017 /* XXX pi.HTCapabilitiesInfo */
4018 pi->MacHTParamInfo = ni->ni_htparam;
4019 pi->HTRateBitMap = get_htrate_bitmap(&ni->ni_htrates);
4020 pi->AddHtInfo.ControlChan = ni->ni_htctlchan;
4021 pi->AddHtInfo.AddChan = ni->ni_ht2ndchan;
4022 pi->AddHtInfo.OpMode = ni->ni_htopmode;
4023 pi->AddHtInfo.stbc = ni->ni_htstbc;
4025 /* constrain according to local configuration */
4026 if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI40) == 0)
4027 pi->HTCapabilitiesInfo &= ~IEEE80211_HTCAP_SHORTGI40;
4028 if ((vap->iv_flags_ht & IEEE80211_FHT_SHORTGI20) == 0)
4029 pi->HTCapabilitiesInfo &= ~IEEE80211_HTCAP_SHORTGI20;
4030 if (ni->ni_chw != 40)
4031 pi->HTCapabilitiesInfo &= ~IEEE80211_HTCAP_CHWIDTH40;
4037 * Re-create the local sta db entry for a vap to ensure
4038 * up to date WME state is pushed to the firmware. Because
4039 * this resets crypto state this must be followed by a
4040 * reload of any keys in the global key table.
4043 mwl_localstadb(struct ieee80211vap *vap)
4045 #define WME(ie) ((const struct ieee80211_wme_info *) ie)
4046 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
4047 struct ieee80211_node *bss;
4048 MWL_HAL_PEERINFO pi;
4051 switch (vap->iv_opmode) {
4052 case IEEE80211_M_STA:
4054 error = mwl_hal_newstation(hvap, vap->iv_myaddr, 0, 0,
4055 vap->iv_state == IEEE80211_S_RUN ?
4056 mkpeerinfo(&pi, bss) : NULL,
4057 (bss->ni_flags & (IEEE80211_NODE_QOS | IEEE80211_NODE_HT)),
4058 bss->ni_ies.wme_ie != NULL ?
4059 WME(bss->ni_ies.wme_ie)->wme_info : 0);
4061 mwl_setglobalkeys(vap);
4063 case IEEE80211_M_HOSTAP:
4064 case IEEE80211_M_MBSS:
4065 error = mwl_hal_newstation(hvap, vap->iv_myaddr,
4066 0, 0, NULL, vap->iv_flags & IEEE80211_F_WME, 0);
4068 mwl_setglobalkeys(vap);
4079 mwl_newstate(struct ieee80211vap *vap, enum ieee80211_state nstate, int arg)
4081 struct mwl_vap *mvp = MWL_VAP(vap);
4082 struct mwl_hal_vap *hvap = mvp->mv_hvap;
4083 struct ieee80211com *ic = vap->iv_ic;
4084 struct ieee80211_node *ni = NULL;
4085 struct mwl_softc *sc = ic->ic_softc;
4086 struct mwl_hal *mh = sc->sc_mh;
4087 enum ieee80211_state ostate = vap->iv_state;
4090 DPRINTF(sc, MWL_DEBUG_STATE, "%s: %s: %s -> %s\n",
4091 vap->iv_ifp->if_xname, __func__,
4092 ieee80211_state_name[ostate], ieee80211_state_name[nstate]);
4094 callout_stop(&sc->sc_timer);
4096 * Clear current radar detection state.
4098 if (ostate == IEEE80211_S_CAC) {
4099 /* stop quiet mode radar detection */
4100 mwl_hal_setradardetection(mh, DR_CHK_CHANNEL_AVAILABLE_STOP);
4101 } else if (sc->sc_radarena) {
4102 /* stop in-service radar detection */
4103 mwl_hal_setradardetection(mh, DR_DFS_DISABLE);
4104 sc->sc_radarena = 0;
4107 * Carry out per-state actions before doing net80211 work.
4109 if (nstate == IEEE80211_S_INIT) {
4110 /* NB: only ap+sta vap's have a fw entity */
4113 } else if (nstate == IEEE80211_S_SCAN) {
4114 mwl_hal_start(hvap);
4115 /* NB: this disables beacon frames */
4116 mwl_hal_setinframode(hvap);
4117 } else if (nstate == IEEE80211_S_AUTH) {
4119 * Must create a sta db entry in case a WEP key needs to
4120 * be plumbed. This entry will be overwritten if we
4121 * associate; otherwise it will be reclaimed on node free.
4124 MWL_NODE(ni)->mn_hvap = hvap;
4125 (void) mwl_peerstadb(ni, 0, 0, NULL);
4126 } else if (nstate == IEEE80211_S_CSA) {
4127 /* XXX move to below? */
4128 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
4129 vap->iv_opmode == IEEE80211_M_MBSS)
4131 } else if (nstate == IEEE80211_S_CAC) {
4132 /* XXX move to below? */
4133 /* stop ap xmit and enable quiet mode radar detection */
4134 mwl_hal_setradardetection(mh, DR_CHK_CHANNEL_AVAILABLE_START);
4138 * Invoke the parent method to do net80211 work.
4140 error = mvp->mv_newstate(vap, nstate, arg);
4143 * Carry out work that must be done after net80211 runs;
4144 * this work requires up to date state (e.g. iv_bss).
4146 if (error == 0 && nstate == IEEE80211_S_RUN) {
4147 /* NB: collect bss node again, it may have changed */
4150 DPRINTF(sc, MWL_DEBUG_STATE,
4151 "%s: %s(RUN): iv_flags 0x%08x bintvl %d bssid %s "
4152 "capinfo 0x%04x chan %d\n",
4153 vap->iv_ifp->if_xname, __func__, vap->iv_flags,
4154 ni->ni_intval, ether_sprintf(ni->ni_bssid), ni->ni_capinfo,
4155 ieee80211_chan2ieee(ic, ic->ic_curchan));
4158 * Recreate local sta db entry to update WME/HT state.
4160 mwl_localstadb(vap);
4161 switch (vap->iv_opmode) {
4162 case IEEE80211_M_HOSTAP:
4163 case IEEE80211_M_MBSS:
4164 if (ostate == IEEE80211_S_CAC) {
4165 /* enable in-service radar detection */
4166 mwl_hal_setradardetection(mh,
4167 DR_IN_SERVICE_MONITOR_START);
4168 sc->sc_radarena = 1;
4171 * Allocate and setup the beacon frame
4172 * (and related state).
4174 error = mwl_reset_vap(vap, IEEE80211_S_RUN);
4176 DPRINTF(sc, MWL_DEBUG_STATE,
4177 "%s: beacon setup failed, error %d\n",
4181 /* NB: must be after setting up beacon */
4182 mwl_hal_start(hvap);
4184 case IEEE80211_M_STA:
4185 DPRINTF(sc, MWL_DEBUG_STATE, "%s: %s: aid 0x%x\n",
4186 vap->iv_ifp->if_xname, __func__, ni->ni_associd);
4188 * Set state now that we're associated.
4190 mwl_hal_setassocid(hvap, ni->ni_bssid, ni->ni_associd);
4192 mwl_hal_setrtsthreshold(hvap, vap->iv_rtsthreshold);
4193 if ((vap->iv_flags & IEEE80211_F_DWDS) &&
4194 sc->sc_ndwdsvaps++ == 0)
4195 mwl_hal_setdwds(mh, 1);
4197 case IEEE80211_M_WDS:
4198 DPRINTF(sc, MWL_DEBUG_STATE, "%s: %s: bssid %s\n",
4199 vap->iv_ifp->if_xname, __func__,
4200 ether_sprintf(ni->ni_bssid));
4201 mwl_seteapolformat(vap);
4207 * Set CS mode according to operating channel;
4208 * this mostly an optimization for 5GHz.
4210 * NB: must follow mwl_hal_start which resets csmode
4212 if (IEEE80211_IS_CHAN_5GHZ(ic->ic_bsschan))
4213 mwl_hal_setcsmode(mh, CSMODE_AGGRESSIVE);
4215 mwl_hal_setcsmode(mh, CSMODE_AUTO_ENA);
4217 * Start timer to prod firmware.
4219 if (sc->sc_ageinterval != 0)
4220 callout_reset(&sc->sc_timer, sc->sc_ageinterval*hz,
4221 mwl_agestations, sc);
4222 } else if (nstate == IEEE80211_S_SLEEP) {
4223 /* XXX set chip in power save */
4224 } else if ((vap->iv_flags & IEEE80211_F_DWDS) &&
4225 --sc->sc_ndwdsvaps == 0)
4226 mwl_hal_setdwds(mh, 0);
4232 * Manage station id's; these are separate from AID's
4233 * as AID's may have values out of the range of possible
4234 * station id's acceptable to the firmware.
4237 allocstaid(struct mwl_softc *sc, int aid)
4241 if (!(0 < aid && aid < MWL_MAXSTAID) || isset(sc->sc_staid, aid)) {
4242 /* NB: don't use 0 */
4243 for (staid = 1; staid < MWL_MAXSTAID; staid++)
4244 if (isclr(sc->sc_staid, staid))
4248 setbit(sc->sc_staid, staid);
4253 delstaid(struct mwl_softc *sc, int staid)
4255 clrbit(sc->sc_staid, staid);
4259 * Setup driver-specific state for a newly associated node.
4260 * Note that we're called also on a re-associate, the isnew
4261 * param tells us if this is the first time or not.
4264 mwl_newassoc(struct ieee80211_node *ni, int isnew)
4266 struct ieee80211vap *vap = ni->ni_vap;
4267 struct mwl_softc *sc = vap->iv_ic->ic_softc;
4268 struct mwl_node *mn = MWL_NODE(ni);
4269 MWL_HAL_PEERINFO pi;
4273 aid = IEEE80211_AID(ni->ni_associd);
4275 mn->mn_staid = allocstaid(sc, aid);
4276 mn->mn_hvap = MWL_VAP(vap)->mv_hvap;
4279 /* XXX reset BA stream? */
4281 DPRINTF(sc, MWL_DEBUG_NODE, "%s: mac %s isnew %d aid %d staid %d\n",
4282 __func__, ether_sprintf(ni->ni_macaddr), isnew, aid, mn->mn_staid);
4283 error = mwl_peerstadb(ni, aid, mn->mn_staid, mkpeerinfo(&pi, ni));
4285 DPRINTF(sc, MWL_DEBUG_NODE,
4286 "%s: error %d creating sta db entry\n",
4288 /* XXX how to deal with error? */
4293 * Periodically poke the firmware to age out station state
4294 * (power save queues, pending tx aggregates).
4297 mwl_agestations(void *arg)
4299 struct mwl_softc *sc = arg;
4301 mwl_hal_setkeepalive(sc->sc_mh);
4302 if (sc->sc_ageinterval != 0) /* NB: catch dynamic changes */
4303 callout_schedule(&sc->sc_timer, sc->sc_ageinterval*hz);
4306 static const struct mwl_hal_channel *
4307 findhalchannel(const MWL_HAL_CHANNELINFO *ci, int ieee)
4311 for (i = 0; i < ci->nchannels; i++) {
4312 const struct mwl_hal_channel *hc = &ci->channels[i];
4313 if (hc->ieee == ieee)
4320 mwl_setregdomain(struct ieee80211com *ic, struct ieee80211_regdomain *rd,
4321 int nchan, struct ieee80211_channel chans[])
4323 struct mwl_softc *sc = ic->ic_softc;
4324 struct mwl_hal *mh = sc->sc_mh;
4325 const MWL_HAL_CHANNELINFO *ci;
4328 for (i = 0; i < nchan; i++) {
4329 struct ieee80211_channel *c = &chans[i];
4330 const struct mwl_hal_channel *hc;
4332 if (IEEE80211_IS_CHAN_2GHZ(c)) {
4333 mwl_hal_getchannelinfo(mh, MWL_FREQ_BAND_2DOT4GHZ,
4334 IEEE80211_IS_CHAN_HT40(c) ?
4335 MWL_CH_40_MHz_WIDTH : MWL_CH_20_MHz_WIDTH, &ci);
4336 } else if (IEEE80211_IS_CHAN_5GHZ(c)) {
4337 mwl_hal_getchannelinfo(mh, MWL_FREQ_BAND_5GHZ,
4338 IEEE80211_IS_CHAN_HT40(c) ?
4339 MWL_CH_40_MHz_WIDTH : MWL_CH_20_MHz_WIDTH, &ci);
4341 device_printf(sc->sc_dev,
4342 "%s: channel %u freq %u/0x%x not 2.4/5GHz\n",
4343 __func__, c->ic_ieee, c->ic_freq, c->ic_flags);
4347 * Verify channel has cal data and cap tx power.
4349 hc = findhalchannel(ci, c->ic_ieee);
4351 if (c->ic_maxpower > 2*hc->maxTxPow)
4352 c->ic_maxpower = 2*hc->maxTxPow;
4355 if (IEEE80211_IS_CHAN_HT40(c)) {
4357 * Look for the extension channel since the
4358 * hal table only has the primary channel.
4360 hc = findhalchannel(ci, c->ic_extieee);
4362 if (c->ic_maxpower > 2*hc->maxTxPow)
4363 c->ic_maxpower = 2*hc->maxTxPow;
4367 device_printf(sc->sc_dev,
4368 "%s: no cal data for channel %u ext %u freq %u/0x%x\n",
4369 __func__, c->ic_ieee, c->ic_extieee,
4370 c->ic_freq, c->ic_flags);
4378 #define IEEE80211_CHAN_HTG (IEEE80211_CHAN_HT|IEEE80211_CHAN_G)
4379 #define IEEE80211_CHAN_HTA (IEEE80211_CHAN_HT|IEEE80211_CHAN_A)
4382 addht40channels(struct ieee80211_channel chans[], int maxchans, int *nchans,
4383 const MWL_HAL_CHANNELINFO *ci, int flags)
4387 for (i = 0; i < ci->nchannels; i++) {
4388 const struct mwl_hal_channel *hc = &ci->channels[i];
4390 error = ieee80211_add_channel_ht40(chans, maxchans, nchans,
4391 hc->ieee, hc->maxTxPow, flags);
4392 if (error != 0 && error != ENOENT)
4398 addchannels(struct ieee80211_channel chans[], int maxchans, int *nchans,
4399 const MWL_HAL_CHANNELINFO *ci, const uint8_t bands[])
4404 for (i = 0; i < ci->nchannels && error == 0; i++) {
4405 const struct mwl_hal_channel *hc = &ci->channels[i];
4407 error = ieee80211_add_channel(chans, maxchans, nchans,
4408 hc->ieee, hc->freq, hc->maxTxPow, 0, bands);
4413 getchannels(struct mwl_softc *sc, int maxchans, int *nchans,
4414 struct ieee80211_channel chans[])
4416 const MWL_HAL_CHANNELINFO *ci;
4417 uint8_t bands[IEEE80211_MODE_BYTES];
4420 * Use the channel info from the hal to craft the
4421 * channel list. Note that we pass back an unsorted
4422 * list; the caller is required to sort it for us
4426 if (mwl_hal_getchannelinfo(sc->sc_mh,
4427 MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0) {
4428 memset(bands, 0, sizeof(bands));
4429 setbit(bands, IEEE80211_MODE_11B);
4430 setbit(bands, IEEE80211_MODE_11G);
4431 setbit(bands, IEEE80211_MODE_11NG);
4432 addchannels(chans, maxchans, nchans, ci, bands);
4434 if (mwl_hal_getchannelinfo(sc->sc_mh,
4435 MWL_FREQ_BAND_5GHZ, MWL_CH_20_MHz_WIDTH, &ci) == 0) {
4436 memset(bands, 0, sizeof(bands));
4437 setbit(bands, IEEE80211_MODE_11A);
4438 setbit(bands, IEEE80211_MODE_11NA);
4439 addchannels(chans, maxchans, nchans, ci, bands);
4441 if (mwl_hal_getchannelinfo(sc->sc_mh,
4442 MWL_FREQ_BAND_2DOT4GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0)
4443 addht40channels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTG);
4444 if (mwl_hal_getchannelinfo(sc->sc_mh,
4445 MWL_FREQ_BAND_5GHZ, MWL_CH_40_MHz_WIDTH, &ci) == 0)
4446 addht40channels(chans, maxchans, nchans, ci, IEEE80211_CHAN_HTA);
4450 mwl_getradiocaps(struct ieee80211com *ic,
4451 int maxchans, int *nchans, struct ieee80211_channel chans[])
4453 struct mwl_softc *sc = ic->ic_softc;
4455 getchannels(sc, maxchans, nchans, chans);
4459 mwl_getchannels(struct mwl_softc *sc)
4461 struct ieee80211com *ic = &sc->sc_ic;
4464 * Use the channel info from the hal to craft the
4465 * channel list for net80211. Note that we pass up
4466 * an unsorted list; net80211 will sort it for us.
4468 memset(ic->ic_channels, 0, sizeof(ic->ic_channels));
4470 getchannels(sc, IEEE80211_CHAN_MAX, &ic->ic_nchans, ic->ic_channels);
4472 ic->ic_regdomain.regdomain = SKU_DEBUG;
4473 ic->ic_regdomain.country = CTRY_DEFAULT;
4474 ic->ic_regdomain.location = 'I';
4475 ic->ic_regdomain.isocc[0] = ' '; /* XXX? */
4476 ic->ic_regdomain.isocc[1] = ' ';
4477 return (ic->ic_nchans == 0 ? EIO : 0);
4479 #undef IEEE80211_CHAN_HTA
4480 #undef IEEE80211_CHAN_HTG
4484 mwl_printrxbuf(const struct mwl_rxbuf *bf, u_int ix)
4486 const struct mwl_rxdesc *ds = bf->bf_desc;
4487 uint32_t status = le32toh(ds->Status);
4489 printf("R[%2u] (DS.V:%p DS.P:0x%jx) NEXT:%08x DATA:%08x RC:%02x%s\n"
4490 " STAT:%02x LEN:%04x RSSI:%02x CHAN:%02x RATE:%02x QOS:%04x HT:%04x\n",
4491 ix, ds, (uintmax_t)bf->bf_daddr, le32toh(ds->pPhysNext),
4492 le32toh(ds->pPhysBuffData), ds->RxControl,
4493 ds->RxControl != EAGLE_RXD_CTRL_DRIVER_OWN ?
4494 "" : (status & EAGLE_RXD_STATUS_OK) ? " *" : " !",
4495 ds->Status, le16toh(ds->PktLen), ds->RSSI, ds->Channel,
4496 ds->Rate, le16toh(ds->QosCtrl), le16toh(ds->HtSig2));
4500 mwl_printtxbuf(const struct mwl_txbuf *bf, u_int qnum, u_int ix)
4502 const struct mwl_txdesc *ds = bf->bf_desc;
4503 uint32_t status = le32toh(ds->Status);
4505 printf("Q%u[%3u]", qnum, ix);
4506 printf(" (DS.V:%p DS.P:0x%jx)\n", ds, (uintmax_t)bf->bf_daddr);
4507 printf(" NEXT:%08x DATA:%08x LEN:%04x STAT:%08x%s\n",
4508 le32toh(ds->pPhysNext),
4509 le32toh(ds->PktPtr), le16toh(ds->PktLen), status,
4510 status & EAGLE_TXD_STATUS_USED ?
4511 "" : (status & 3) != 0 ? " *" : " !");
4512 printf(" RATE:%02x PRI:%x QOS:%04x SAP:%08x FORMAT:%04x\n",
4513 ds->DataRate, ds->TxPriority, le16toh(ds->QosCtrl),
4514 le32toh(ds->SapPktInfo), le16toh(ds->Format));
4516 printf(" MULTIFRAMES:%u LEN:%04x %04x %04x %04x %04x %04x\n"
4517 , le32toh(ds->multiframes)
4518 , le16toh(ds->PktLenArray[0]), le16toh(ds->PktLenArray[1])
4519 , le16toh(ds->PktLenArray[2]), le16toh(ds->PktLenArray[3])
4520 , le16toh(ds->PktLenArray[4]), le16toh(ds->PktLenArray[5])
4522 printf(" DATA:%08x %08x %08x %08x %08x %08x\n"
4523 , le32toh(ds->PktPtrArray[0]), le32toh(ds->PktPtrArray[1])
4524 , le32toh(ds->PktPtrArray[2]), le32toh(ds->PktPtrArray[3])
4525 , le32toh(ds->PktPtrArray[4]), le32toh(ds->PktPtrArray[5])
4529 { const uint8_t *cp = (const uint8_t *) ds;
4531 for (i = 0; i < sizeof(struct mwl_txdesc); i++) {
4532 printf("%02x ", cp[i]);
4533 if (((i+1) % 16) == 0)
4540 #endif /* MWL_DEBUG */
4544 mwl_txq_dump(struct mwl_txq *txq)
4546 struct mwl_txbuf *bf;
4550 STAILQ_FOREACH(bf, &txq->active, bf_list) {
4551 struct mwl_txdesc *ds = bf->bf_desc;
4552 MWL_TXDESC_SYNC(txq, ds,
4553 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
4555 mwl_printtxbuf(bf, txq->qnum, i);
4559 MWL_TXQ_UNLOCK(txq);
4564 mwl_watchdog(void *arg)
4566 struct mwl_softc *sc = arg;
4568 callout_reset(&sc->sc_watchdog, hz, mwl_watchdog, sc);
4569 if (sc->sc_tx_timer == 0 || --sc->sc_tx_timer > 0)
4572 if (sc->sc_running && !sc->sc_invalid) {
4573 if (mwl_hal_setkeepalive(sc->sc_mh))
4574 device_printf(sc->sc_dev,
4575 "transmit timeout (firmware hung?)\n");
4577 device_printf(sc->sc_dev,
4578 "transmit timeout\n");
4581 mwl_txq_dump(&sc->sc_txq[0]);/*XXX*/
4583 counter_u64_add(sc->sc_ic.ic_oerrors, 1);
4584 sc->sc_stats.mst_watchdog++;
4590 * Diagnostic interface to the HAL. This is used by various
4591 * tools to do things like retrieve register contents for
4592 * debugging. The mechanism is intentionally opaque so that
4593 * it can change frequently w/o concern for compatibility.
4596 mwl_ioctl_diag(struct mwl_softc *sc, struct mwl_diag *md)
4598 struct mwl_hal *mh = sc->sc_mh;
4599 u_int id = md->md_id & MWL_DIAG_ID;
4600 void *indata = NULL;
4601 void *outdata = NULL;
4602 u_int32_t insize = md->md_in_size;
4603 u_int32_t outsize = md->md_out_size;
4606 if (md->md_id & MWL_DIAG_IN) {
4610 indata = malloc(insize, M_TEMP, M_NOWAIT);
4611 if (indata == NULL) {
4615 error = copyin(md->md_in_data, indata, insize);
4619 if (md->md_id & MWL_DIAG_DYN) {
4621 * Allocate a buffer for the results (otherwise the HAL
4622 * returns a pointer to a buffer where we can read the
4623 * results). Note that we depend on the HAL leaving this
4624 * pointer for us to use below in reclaiming the buffer;
4625 * may want to be more defensive.
4627 outdata = malloc(outsize, M_TEMP, M_NOWAIT);
4628 if (outdata == NULL) {
4633 if (mwl_hal_getdiagstate(mh, id, indata, insize, &outdata, &outsize)) {
4634 if (outsize < md->md_out_size)
4635 md->md_out_size = outsize;
4636 if (outdata != NULL)
4637 error = copyout(outdata, md->md_out_data,
4643 if ((md->md_id & MWL_DIAG_IN) && indata != NULL)
4644 free(indata, M_TEMP);
4645 if ((md->md_id & MWL_DIAG_DYN) && outdata != NULL)
4646 free(outdata, M_TEMP);
4651 mwl_ioctl_reset(struct mwl_softc *sc, struct mwl_diag *md)
4653 struct mwl_hal *mh = sc->sc_mh;
4656 MWL_LOCK_ASSERT(sc);
4658 if (md->md_id == 0 && mwl_hal_fwload(mh, NULL) != 0) {
4659 device_printf(sc->sc_dev, "unable to load firmware\n");
4662 if (mwl_hal_gethwspecs(mh, &sc->sc_hwspecs) != 0) {
4663 device_printf(sc->sc_dev, "unable to fetch h/w specs\n");
4666 error = mwl_setupdma(sc);
4668 /* NB: mwl_setupdma prints a msg */
4672 * Reset tx/rx data structures; after reload we must
4673 * re-start the driver's notion of the next xmit/recv.
4675 mwl_draintxq(sc); /* clear pending frames */
4676 mwl_resettxq(sc); /* rebuild tx q lists */
4677 sc->sc_rxnext = NULL; /* force rx to start at the list head */
4680 #endif /* MWL_DIAGAPI */
4683 mwl_parent(struct ieee80211com *ic)
4685 struct mwl_softc *sc = ic->ic_softc;
4689 if (ic->ic_nrunning > 0) {
4690 if (sc->sc_running) {
4692 * To avoid rescanning another access point,
4693 * do not call mwl_init() here. Instead,
4694 * only reflect promisc mode settings.
4699 * Beware of being called during attach/detach
4700 * to reset promiscuous mode. In that case we
4701 * will still be marked UP but not RUNNING.
4702 * However trying to re-init the interface
4703 * is the wrong thing to do as we've already
4704 * torn down much of our state. There's
4705 * probably a better way to deal with this.
4707 if (!sc->sc_invalid) {
4708 mwl_init(sc); /* XXX lose error */
4716 ieee80211_start_all(ic);
4720 mwl_ioctl(struct ieee80211com *ic, u_long cmd, void *data)
4722 struct mwl_softc *sc = ic->ic_softc;
4723 struct ifreq *ifr = data;
4728 mwl_hal_gethwstats(sc->sc_mh, &sc->sc_stats.hw_stats);
4730 /* NB: embed these numbers to get a consistent view */
4731 sc->sc_stats.mst_tx_packets =
4732 ifp->if_get_counter(ifp, IFCOUNTER_OPACKETS);
4733 sc->sc_stats.mst_rx_packets =
4734 ifp->if_get_counter(ifp, IFCOUNTER_IPACKETS);
4737 * NB: Drop the softc lock in case of a page fault;
4738 * we'll accept any potential inconsisentcy in the
4739 * statistics. The alternative is to copy the data
4740 * to a local structure.
4742 return (copyout(&sc->sc_stats, ifr_data_get_ptr(ifr),
4743 sizeof (sc->sc_stats)));
4746 /* XXX check privs */
4747 return mwl_ioctl_diag(sc, (struct mwl_diag *) ifr);
4749 /* XXX check privs */
4751 error = mwl_ioctl_reset(sc,(struct mwl_diag *) ifr);
4754 #endif /* MWL_DIAGAPI */
4764 mwl_sysctl_debug(SYSCTL_HANDLER_ARGS)
4766 struct mwl_softc *sc = arg1;
4769 debug = sc->sc_debug | (mwl_hal_getdebug(sc->sc_mh) << 24);
4770 error = sysctl_handle_int(oidp, &debug, 0, req);
4771 if (error || !req->newptr)
4773 mwl_hal_setdebug(sc->sc_mh, debug >> 24);
4774 sc->sc_debug = debug & 0x00ffffff;
4777 #endif /* MWL_DEBUG */
4780 mwl_sysctlattach(struct mwl_softc *sc)
4783 struct sysctl_ctx_list *ctx = device_get_sysctl_ctx(sc->sc_dev);
4784 struct sysctl_oid *tree = device_get_sysctl_tree(sc->sc_dev);
4786 sc->sc_debug = mwl_debug;
4787 SYSCTL_ADD_PROC(ctx, SYSCTL_CHILDREN(tree), OID_AUTO,
4788 "debug", CTLTYPE_INT | CTLFLAG_RW, sc, 0,
4789 mwl_sysctl_debug, "I", "control debugging printfs");
4794 * Announce various information on device/driver attach.
4797 mwl_announce(struct mwl_softc *sc)
4800 device_printf(sc->sc_dev, "Rev A%d hardware, v%d.%d.%d.%d firmware (regioncode %d)\n",
4801 sc->sc_hwspecs.hwVersion,
4802 (sc->sc_hwspecs.fwReleaseNumber>>24) & 0xff,
4803 (sc->sc_hwspecs.fwReleaseNumber>>16) & 0xff,
4804 (sc->sc_hwspecs.fwReleaseNumber>>8) & 0xff,
4805 (sc->sc_hwspecs.fwReleaseNumber>>0) & 0xff,
4806 sc->sc_hwspecs.regionCode);
4807 sc->sc_fwrelease = sc->sc_hwspecs.fwReleaseNumber;
4811 for (i = 0; i <= WME_AC_VO; i++) {
4812 struct mwl_txq *txq = sc->sc_ac2q[i];
4813 device_printf(sc->sc_dev, "Use hw queue %u for %s traffic\n",
4814 txq->qnum, ieee80211_wme_acnames[i]);
4817 if (bootverbose || mwl_rxdesc != MWL_RXDESC)
4818 device_printf(sc->sc_dev, "using %u rx descriptors\n", mwl_rxdesc);
4819 if (bootverbose || mwl_rxbuf != MWL_RXBUF)
4820 device_printf(sc->sc_dev, "using %u rx buffers\n", mwl_rxbuf);
4821 if (bootverbose || mwl_txbuf != MWL_TXBUF)
4822 device_printf(sc->sc_dev, "using %u tx buffers\n", mwl_txbuf);
4823 if (bootverbose && mwl_hal_ismbsscapable(sc->sc_mh))
4824 device_printf(sc->sc_dev, "multi-bss support\n");
4825 #ifdef MWL_TX_NODROP
4827 device_printf(sc->sc_dev, "no tx drop\n");