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 static struct ieee80211vap *mwl_vap_create(struct ieee80211com *,
87 const char [IFNAMSIZ], int, enum ieee80211_opmode, int,
88 const uint8_t [IEEE80211_ADDR_LEN],
89 const uint8_t [IEEE80211_ADDR_LEN]);
90 static void mwl_vap_delete(struct ieee80211vap *);
91 static int mwl_setupdma(struct mwl_softc *);
92 static int mwl_hal_reset(struct mwl_softc *sc);
93 static int mwl_init(struct mwl_softc *);
94 static void mwl_parent(struct ieee80211com *);
95 static int mwl_reset(struct ieee80211vap *, u_long);
96 static void mwl_stop(struct mwl_softc *);
97 static void mwl_start(struct mwl_softc *);
98 static int mwl_transmit(struct ieee80211com *, struct mbuf *);
99 static int mwl_raw_xmit(struct ieee80211_node *, struct mbuf *,
100 const struct ieee80211_bpf_params *);
101 static int mwl_media_change(struct ifnet *);
102 static void mwl_watchdog(void *);
103 static int mwl_ioctl(struct ieee80211com *, u_long, void *);
104 static void mwl_radar_proc(void *, int);
105 static void mwl_chanswitch_proc(void *, int);
106 static void mwl_bawatchdog_proc(void *, int);
107 static int mwl_key_alloc(struct ieee80211vap *,
108 struct ieee80211_key *,
109 ieee80211_keyix *, ieee80211_keyix *);
110 static int mwl_key_delete(struct ieee80211vap *,
111 const struct ieee80211_key *);
112 static int mwl_key_set(struct ieee80211vap *,
113 const struct ieee80211_key *);
114 static int _mwl_key_set(struct ieee80211vap *,
115 const struct ieee80211_key *,
116 const uint8_t mac[IEEE80211_ADDR_LEN]);
117 static int mwl_mode_init(struct mwl_softc *);
118 static void mwl_update_mcast(struct ieee80211com *);
119 static void mwl_update_promisc(struct ieee80211com *);
120 static void mwl_updateslot(struct ieee80211com *);
121 static int mwl_beacon_setup(struct ieee80211vap *);
122 static void mwl_beacon_update(struct ieee80211vap *, int);
123 #ifdef MWL_HOST_PS_SUPPORT
124 static void mwl_update_ps(struct ieee80211vap *, int);
125 static int mwl_set_tim(struct ieee80211_node *, int);
127 static int mwl_dma_setup(struct mwl_softc *);
128 static void mwl_dma_cleanup(struct mwl_softc *);
129 static struct ieee80211_node *mwl_node_alloc(struct ieee80211vap *,
130 const uint8_t [IEEE80211_ADDR_LEN]);
131 static void mwl_node_cleanup(struct ieee80211_node *);
132 static void mwl_node_drain(struct ieee80211_node *);
133 static void mwl_node_getsignal(const struct ieee80211_node *,
135 static void mwl_node_getmimoinfo(const struct ieee80211_node *,
136 struct ieee80211_mimo_info *);
137 static int mwl_rxbuf_init(struct mwl_softc *, struct mwl_rxbuf *);
138 static void mwl_rx_proc(void *, int);
139 static void mwl_txq_init(struct mwl_softc *sc, struct mwl_txq *, int);
140 static int mwl_tx_setup(struct mwl_softc *, int, int);
141 static int mwl_wme_update(struct ieee80211com *);
142 static void mwl_tx_cleanupq(struct mwl_softc *, struct mwl_txq *);
143 static void mwl_tx_cleanup(struct mwl_softc *);
144 static uint16_t mwl_calcformat(uint8_t rate, const struct ieee80211_node *);
145 static int mwl_tx_start(struct mwl_softc *, struct ieee80211_node *,
146 struct mwl_txbuf *, struct mbuf *);
147 static void mwl_tx_proc(void *, int);
148 static int mwl_chan_set(struct mwl_softc *, struct ieee80211_channel *);
149 static void mwl_draintxq(struct mwl_softc *);
150 static void mwl_cleartxq(struct mwl_softc *, struct ieee80211vap *);
151 static int mwl_recv_action(struct ieee80211_node *,
152 const struct ieee80211_frame *,
153 const uint8_t *, const uint8_t *);
154 static int mwl_addba_request(struct ieee80211_node *,
155 struct ieee80211_tx_ampdu *, int dialogtoken,
156 int baparamset, int batimeout);
157 static int mwl_addba_response(struct ieee80211_node *,
158 struct ieee80211_tx_ampdu *, int status,
159 int baparamset, int batimeout);
160 static void mwl_addba_stop(struct ieee80211_node *,
161 struct ieee80211_tx_ampdu *);
162 static int mwl_startrecv(struct mwl_softc *);
163 static MWL_HAL_APMODE mwl_getapmode(const struct ieee80211vap *,
164 struct ieee80211_channel *);
165 static int mwl_setapmode(struct ieee80211vap *, struct ieee80211_channel*);
166 static void mwl_scan_start(struct ieee80211com *);
167 static void mwl_scan_end(struct ieee80211com *);
168 static void mwl_set_channel(struct ieee80211com *);
169 static int mwl_peerstadb(struct ieee80211_node *,
170 int aid, int staid, MWL_HAL_PEERINFO *pi);
171 static int mwl_localstadb(struct ieee80211vap *);
172 static int mwl_newstate(struct ieee80211vap *, enum ieee80211_state, int);
173 static int allocstaid(struct mwl_softc *sc, int aid);
174 static void delstaid(struct mwl_softc *sc, int staid);
175 static void mwl_newassoc(struct ieee80211_node *, int);
176 static void mwl_agestations(void *);
177 static int mwl_setregdomain(struct ieee80211com *,
178 struct ieee80211_regdomain *, int,
179 struct ieee80211_channel []);
180 static void mwl_getradiocaps(struct ieee80211com *, int, int *,
181 struct ieee80211_channel []);
182 static int mwl_getchannels(struct mwl_softc *);
184 static void mwl_sysctlattach(struct mwl_softc *);
185 static void mwl_announce(struct mwl_softc *);
187 SYSCTL_NODE(_hw, OID_AUTO, mwl, CTLFLAG_RD | CTLFLAG_MPSAFE, 0,
188 "Marvell driver parameters");
190 static int mwl_rxdesc = MWL_RXDESC; /* # rx desc's to allocate */
191 SYSCTL_INT(_hw_mwl, OID_AUTO, rxdesc, CTLFLAG_RW, &mwl_rxdesc,
192 0, "rx descriptors allocated");
193 static int mwl_rxbuf = MWL_RXBUF; /* # rx buffers to allocate */
194 SYSCTL_INT(_hw_mwl, OID_AUTO, rxbuf, CTLFLAG_RWTUN, &mwl_rxbuf,
195 0, "rx buffers allocated");
196 static int mwl_txbuf = MWL_TXBUF; /* # tx buffers to allocate */
197 SYSCTL_INT(_hw_mwl, OID_AUTO, txbuf, CTLFLAG_RWTUN, &mwl_txbuf,
198 0, "tx buffers allocated");
199 static int mwl_txcoalesce = 8; /* # tx packets to q before poking f/w*/
200 SYSCTL_INT(_hw_mwl, OID_AUTO, txcoalesce, CTLFLAG_RWTUN, &mwl_txcoalesce,
201 0, "tx buffers to send at once");
202 static int mwl_rxquota = MWL_RXBUF; /* # max buffers to process */
203 SYSCTL_INT(_hw_mwl, OID_AUTO, rxquota, CTLFLAG_RWTUN, &mwl_rxquota,
204 0, "max rx buffers to process per interrupt");
205 static int mwl_rxdmalow = 3; /* # min buffers for wakeup */
206 SYSCTL_INT(_hw_mwl, OID_AUTO, rxdmalow, CTLFLAG_RWTUN, &mwl_rxdmalow,
207 0, "min free rx buffers before restarting traffic");
210 static int mwl_debug = 0;
211 SYSCTL_INT(_hw_mwl, OID_AUTO, debug, CTLFLAG_RWTUN, &mwl_debug,
212 0, "control debugging printfs");
214 MWL_DEBUG_XMIT = 0x00000001, /* basic xmit operation */
215 MWL_DEBUG_XMIT_DESC = 0x00000002, /* xmit descriptors */
216 MWL_DEBUG_RECV = 0x00000004, /* basic recv operation */
217 MWL_DEBUG_RECV_DESC = 0x00000008, /* recv descriptors */
218 MWL_DEBUG_RESET = 0x00000010, /* reset processing */
219 MWL_DEBUG_BEACON = 0x00000020, /* beacon handling */
220 MWL_DEBUG_INTR = 0x00000040, /* ISR */
221 MWL_DEBUG_TX_PROC = 0x00000080, /* tx ISR proc */
222 MWL_DEBUG_RX_PROC = 0x00000100, /* rx ISR proc */
223 MWL_DEBUG_KEYCACHE = 0x00000200, /* key cache management */
224 MWL_DEBUG_STATE = 0x00000400, /* 802.11 state transitions */
225 MWL_DEBUG_NODE = 0x00000800, /* node management */
226 MWL_DEBUG_RECV_ALL = 0x00001000, /* trace all frames (beacons) */
227 MWL_DEBUG_TSO = 0x00002000, /* TSO processing */
228 MWL_DEBUG_AMPDU = 0x00004000, /* BA stream handling */
229 MWL_DEBUG_ANY = 0xffffffff
231 #define IS_BEACON(wh) \
232 ((wh->i_fc[0] & (IEEE80211_FC0_TYPE_MASK|IEEE80211_FC0_SUBTYPE_MASK)) == \
233 (IEEE80211_FC0_TYPE_MGT|IEEE80211_FC0_SUBTYPE_BEACON))
234 #define IFF_DUMPPKTS_RECV(sc, wh) \
235 ((sc->sc_debug & MWL_DEBUG_RECV) && \
236 ((sc->sc_debug & MWL_DEBUG_RECV_ALL) || !IS_BEACON(wh)))
237 #define IFF_DUMPPKTS_XMIT(sc) \
238 (sc->sc_debug & MWL_DEBUG_XMIT)
240 #define DPRINTF(sc, m, fmt, ...) do { \
241 if (sc->sc_debug & (m)) \
242 printf(fmt, __VA_ARGS__); \
244 #define KEYPRINTF(sc, hk, mac) do { \
245 if (sc->sc_debug & MWL_DEBUG_KEYCACHE) \
246 mwl_keyprint(sc, __func__, hk, mac); \
248 static void mwl_printrxbuf(const struct mwl_rxbuf *bf, u_int ix);
249 static void mwl_printtxbuf(const struct mwl_txbuf *bf, u_int qnum, u_int ix);
251 #define IFF_DUMPPKTS_RECV(sc, wh) 0
252 #define IFF_DUMPPKTS_XMIT(sc) 0
253 #define DPRINTF(sc, m, fmt, ...) do { (void )sc; } while (0)
254 #define KEYPRINTF(sc, k, mac) do { (void )sc; } while (0)
257 static MALLOC_DEFINE(M_MWLDEV, "mwldev", "mwl driver dma buffers");
260 * Each packet has fixed front matter: a 2-byte length
261 * of the payload, followed by a 4-address 802.11 header
262 * (regardless of the actual header and always w/o any
263 * QoS header). The payload then follows.
267 struct ieee80211_frame_addr4 wh;
271 * Read/Write shorthands for accesses to BAR 0. Note
272 * that all BAR 1 operations are done in the "hal" and
273 * there should be no reference to them here.
276 static __inline uint32_t
277 RD4(struct mwl_softc *sc, bus_size_t off)
279 return bus_space_read_4(sc->sc_io0t, sc->sc_io0h, off);
284 WR4(struct mwl_softc *sc, bus_size_t off, uint32_t val)
286 bus_space_write_4(sc->sc_io0t, sc->sc_io0h, off, val);
290 mwl_attach(uint16_t devid, struct mwl_softc *sc)
292 struct ieee80211com *ic = &sc->sc_ic;
296 DPRINTF(sc, MWL_DEBUG_ANY, "%s: devid 0x%x\n", __func__, devid);
299 * Setup the RX free list lock early, so it can be consistently
304 mh = mwl_hal_attach(sc->sc_dev, devid,
305 sc->sc_io1h, sc->sc_io1t, sc->sc_dmat);
307 device_printf(sc->sc_dev, "unable to attach HAL\n");
313 * Load firmware so we can get setup. We arbitrarily
314 * pick station firmware; we'll re-load firmware as
315 * needed so setting up the wrong mode isn't a big deal.
317 if (mwl_hal_fwload(mh, NULL) != 0) {
318 device_printf(sc->sc_dev, "unable to setup builtin firmware\n");
322 if (mwl_hal_gethwspecs(mh, &sc->sc_hwspecs) != 0) {
323 device_printf(sc->sc_dev, "unable to fetch h/w specs\n");
327 error = mwl_getchannels(sc);
331 sc->sc_txantenna = 0; /* h/w default */
332 sc->sc_rxantenna = 0; /* h/w default */
333 sc->sc_invalid = 0; /* ready to go, enable int handling */
334 sc->sc_ageinterval = MWL_AGEINTERVAL;
337 * Allocate tx+rx descriptors and populate the lists.
338 * We immediately push the information to the firmware
339 * as otherwise it gets upset.
341 error = mwl_dma_setup(sc);
343 device_printf(sc->sc_dev, "failed to setup descriptors: %d\n",
347 error = mwl_setupdma(sc); /* push to firmware */
348 if (error != 0) /* NB: mwl_setupdma prints msg */
351 callout_init(&sc->sc_timer, 1);
352 callout_init_mtx(&sc->sc_watchdog, &sc->sc_mtx, 0);
353 mbufq_init(&sc->sc_snd, ifqmaxlen);
355 sc->sc_tq = taskqueue_create("mwl_taskq", M_NOWAIT,
356 taskqueue_thread_enqueue, &sc->sc_tq);
357 taskqueue_start_threads(&sc->sc_tq, 1, PI_NET,
358 "%s taskq", device_get_nameunit(sc->sc_dev));
360 NET_TASK_INIT(&sc->sc_rxtask, 0, mwl_rx_proc, sc);
361 TASK_INIT(&sc->sc_radartask, 0, mwl_radar_proc, sc);
362 TASK_INIT(&sc->sc_chanswitchtask, 0, mwl_chanswitch_proc, sc);
363 TASK_INIT(&sc->sc_bawatchdogtask, 0, mwl_bawatchdog_proc, sc);
365 /* NB: insure BK queue is the lowest priority h/w queue */
366 if (!mwl_tx_setup(sc, WME_AC_BK, MWL_WME_AC_BK)) {
367 device_printf(sc->sc_dev,
368 "unable to setup xmit queue for %s traffic!\n",
369 ieee80211_wme_acnames[WME_AC_BK]);
373 if (!mwl_tx_setup(sc, WME_AC_BE, MWL_WME_AC_BE) ||
374 !mwl_tx_setup(sc, WME_AC_VI, MWL_WME_AC_VI) ||
375 !mwl_tx_setup(sc, WME_AC_VO, MWL_WME_AC_VO)) {
377 * Not enough hardware tx queues to properly do WME;
378 * just punt and assign them all to the same h/w queue.
379 * We could do a better job of this if, for example,
380 * we allocate queues when we switch from station to
383 if (sc->sc_ac2q[WME_AC_VI] != NULL)
384 mwl_tx_cleanupq(sc, sc->sc_ac2q[WME_AC_VI]);
385 if (sc->sc_ac2q[WME_AC_BE] != NULL)
386 mwl_tx_cleanupq(sc, sc->sc_ac2q[WME_AC_BE]);
387 sc->sc_ac2q[WME_AC_BE] = sc->sc_ac2q[WME_AC_BK];
388 sc->sc_ac2q[WME_AC_VI] = sc->sc_ac2q[WME_AC_BK];
389 sc->sc_ac2q[WME_AC_VO] = sc->sc_ac2q[WME_AC_BK];
391 TASK_INIT(&sc->sc_txtask, 0, mwl_tx_proc, sc);
394 ic->ic_name = device_get_nameunit(sc->sc_dev);
395 /* XXX not right but it's not used anywhere important */
396 ic->ic_phytype = IEEE80211_T_OFDM;
397 ic->ic_opmode = IEEE80211_M_STA;
399 IEEE80211_C_STA /* station mode supported */
400 | IEEE80211_C_HOSTAP /* hostap mode */
401 | IEEE80211_C_MONITOR /* monitor mode */
403 | IEEE80211_C_IBSS /* ibss, nee adhoc, mode */
404 | IEEE80211_C_AHDEMO /* adhoc demo mode */
406 | IEEE80211_C_MBSS /* mesh point link mode */
407 | IEEE80211_C_WDS /* WDS supported */
408 | IEEE80211_C_SHPREAMBLE /* short preamble supported */
409 | IEEE80211_C_SHSLOT /* short slot time supported */
410 | IEEE80211_C_WME /* WME/WMM supported */
411 | IEEE80211_C_BURST /* xmit bursting supported */
412 | IEEE80211_C_WPA /* capable of WPA1+WPA2 */
413 | IEEE80211_C_BGSCAN /* capable of bg scanning */
414 | IEEE80211_C_TXFRAG /* handle tx frags */
415 | IEEE80211_C_TXPMGT /* capable of txpow mgt */
416 | IEEE80211_C_DFS /* DFS supported */
420 IEEE80211_HTCAP_SMPS_ENA /* SM PS mode enabled */
421 | IEEE80211_HTCAP_CHWIDTH40 /* 40MHz channel width */
422 | IEEE80211_HTCAP_SHORTGI20 /* short GI in 20MHz */
423 | IEEE80211_HTCAP_SHORTGI40 /* short GI in 40MHz */
424 | IEEE80211_HTCAP_RXSTBC_2STREAM/* 1-2 spatial streams */
425 #if MWL_AGGR_SIZE == 7935
426 | IEEE80211_HTCAP_MAXAMSDU_7935 /* max A-MSDU length */
428 | IEEE80211_HTCAP_MAXAMSDU_3839 /* max A-MSDU length */
431 | IEEE80211_HTCAP_PSMP /* PSMP supported */
432 | IEEE80211_HTCAP_40INTOLERANT /* 40MHz intolerant */
434 /* s/w capabilities */
435 | IEEE80211_HTC_HT /* HT operation */
436 | IEEE80211_HTC_AMPDU /* tx A-MPDU */
437 | IEEE80211_HTC_AMSDU /* tx A-MSDU */
438 | IEEE80211_HTC_SMPS /* SMPS available */
442 * Mark h/w crypto support.
443 * XXX no way to query h/w support.
445 ic->ic_cryptocaps |= IEEE80211_CRYPTO_WEP
446 | IEEE80211_CRYPTO_AES_CCM
447 | IEEE80211_CRYPTO_TKIP
448 | IEEE80211_CRYPTO_TKIPMIC
451 * Transmit requires space in the packet for a special
452 * format transmit record and optional padding between
453 * this record and the payload. Ask the net80211 layer
454 * to arrange this when encapsulating packets so we can
455 * add it efficiently.
457 ic->ic_headroom = sizeof(struct mwltxrec) -
458 sizeof(struct ieee80211_frame);
460 IEEE80211_ADDR_COPY(ic->ic_macaddr, sc->sc_hwspecs.macAddr);
462 /* call MI attach routine. */
463 ieee80211_ifattach(ic);
464 ic->ic_setregdomain = mwl_setregdomain;
465 ic->ic_getradiocaps = mwl_getradiocaps;
466 /* override default methods */
467 ic->ic_raw_xmit = mwl_raw_xmit;
468 ic->ic_newassoc = mwl_newassoc;
469 ic->ic_updateslot = mwl_updateslot;
470 ic->ic_update_mcast = mwl_update_mcast;
471 ic->ic_update_promisc = mwl_update_promisc;
472 ic->ic_wme.wme_update = mwl_wme_update;
473 ic->ic_transmit = mwl_transmit;
474 ic->ic_ioctl = mwl_ioctl;
475 ic->ic_parent = mwl_parent;
477 ic->ic_node_alloc = mwl_node_alloc;
478 sc->sc_node_cleanup = ic->ic_node_cleanup;
479 ic->ic_node_cleanup = mwl_node_cleanup;
480 sc->sc_node_drain = ic->ic_node_drain;
481 ic->ic_node_drain = mwl_node_drain;
482 ic->ic_node_getsignal = mwl_node_getsignal;
483 ic->ic_node_getmimoinfo = mwl_node_getmimoinfo;
485 ic->ic_scan_start = mwl_scan_start;
486 ic->ic_scan_end = mwl_scan_end;
487 ic->ic_set_channel = mwl_set_channel;
489 sc->sc_recv_action = ic->ic_recv_action;
490 ic->ic_recv_action = mwl_recv_action;
491 sc->sc_addba_request = ic->ic_addba_request;
492 ic->ic_addba_request = mwl_addba_request;
493 sc->sc_addba_response = ic->ic_addba_response;
494 ic->ic_addba_response = mwl_addba_response;
495 sc->sc_addba_stop = ic->ic_addba_stop;
496 ic->ic_addba_stop = mwl_addba_stop;
498 ic->ic_vap_create = mwl_vap_create;
499 ic->ic_vap_delete = mwl_vap_delete;
501 ieee80211_radiotap_attach(ic,
502 &sc->sc_tx_th.wt_ihdr, sizeof(sc->sc_tx_th),
503 MWL_TX_RADIOTAP_PRESENT,
504 &sc->sc_rx_th.wr_ihdr, sizeof(sc->sc_rx_th),
505 MWL_RX_RADIOTAP_PRESENT);
507 * Setup dynamic sysctl's now that country code and
508 * regdomain are available from the hal.
510 mwl_sysctlattach(sc);
513 ieee80211_announce(ic);
521 MWL_RXFREE_DESTROY(sc);
527 mwl_detach(struct mwl_softc *sc)
529 struct ieee80211com *ic = &sc->sc_ic;
535 * NB: the order of these is important:
536 * o call the 802.11 layer before detaching the hal to
537 * insure callbacks into the driver to delete global
538 * key cache entries can be handled
539 * o reclaim the tx queue data structures after calling
540 * the 802.11 layer as we'll get called back to reclaim
541 * node state and potentially want to use them
542 * o to cleanup the tx queues the hal is called, so detach
544 * Other than that, it's straightforward...
546 ieee80211_ifdetach(ic);
547 callout_drain(&sc->sc_watchdog);
549 MWL_RXFREE_DESTROY(sc);
551 mwl_hal_detach(sc->sc_mh);
552 mbufq_drain(&sc->sc_snd);
558 * MAC address handling for multiple BSS on the same radio.
559 * The first vap uses the MAC address from the EEPROM. For
560 * subsequent vap's we set the U/L bit (bit 1) in the MAC
561 * address and use the next six bits as an index.
564 assign_address(struct mwl_softc *sc, uint8_t mac[IEEE80211_ADDR_LEN], int clone)
568 if (clone && mwl_hal_ismbsscapable(sc->sc_mh)) {
569 /* NB: we only do this if h/w supports multiple bssid */
570 for (i = 0; i < 32; i++)
571 if ((sc->sc_bssidmask & (1<<i)) == 0)
574 mac[0] |= (i << 2)|0x2;
577 sc->sc_bssidmask |= 1<<i;
583 reclaim_address(struct mwl_softc *sc, const uint8_t mac[IEEE80211_ADDR_LEN])
586 if (i != 0 || --sc->sc_nbssid0 == 0)
587 sc->sc_bssidmask &= ~(1<<i);
590 static struct ieee80211vap *
591 mwl_vap_create(struct ieee80211com *ic, const char name[IFNAMSIZ], int unit,
592 enum ieee80211_opmode opmode, int flags,
593 const uint8_t bssid[IEEE80211_ADDR_LEN],
594 const uint8_t mac0[IEEE80211_ADDR_LEN])
596 struct mwl_softc *sc = ic->ic_softc;
597 struct mwl_hal *mh = sc->sc_mh;
598 struct ieee80211vap *vap, *apvap;
599 struct mwl_hal_vap *hvap;
601 uint8_t mac[IEEE80211_ADDR_LEN];
603 IEEE80211_ADDR_COPY(mac, mac0);
605 case IEEE80211_M_HOSTAP:
606 case IEEE80211_M_MBSS:
607 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
608 assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID);
609 hvap = mwl_hal_newvap(mh, MWL_HAL_AP, mac);
611 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
612 reclaim_address(sc, mac);
616 case IEEE80211_M_STA:
617 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
618 assign_address(sc, mac, flags & IEEE80211_CLONE_BSSID);
619 hvap = mwl_hal_newvap(mh, MWL_HAL_STA, mac);
621 if ((flags & IEEE80211_CLONE_MACADDR) == 0)
622 reclaim_address(sc, mac);
625 /* no h/w beacon miss support; always use s/w */
626 flags |= IEEE80211_CLONE_NOBEACONS;
628 case IEEE80211_M_WDS:
629 hvap = NULL; /* NB: we use associated AP vap */
630 if (sc->sc_napvaps == 0)
631 return NULL; /* no existing AP vap */
633 case IEEE80211_M_MONITOR:
636 case IEEE80211_M_IBSS:
637 case IEEE80211_M_AHDEMO:
642 mvp = malloc(sizeof(struct mwl_vap), M_80211_VAP, M_WAITOK | M_ZERO);
644 if (opmode == IEEE80211_M_WDS) {
646 * WDS vaps must have an associated AP vap; find one.
649 TAILQ_FOREACH(apvap, &ic->ic_vaps, iv_next)
650 if (apvap->iv_opmode == IEEE80211_M_HOSTAP) {
651 mvp->mv_ap_hvap = MWL_VAP(apvap)->mv_hvap;
654 KASSERT(mvp->mv_ap_hvap != NULL, ("no ap vap"));
657 ieee80211_vap_setup(ic, vap, name, unit, opmode, flags, bssid);
658 /* override with driver methods */
659 mvp->mv_newstate = vap->iv_newstate;
660 vap->iv_newstate = mwl_newstate;
661 vap->iv_max_keyix = 0; /* XXX */
662 vap->iv_key_alloc = mwl_key_alloc;
663 vap->iv_key_delete = mwl_key_delete;
664 vap->iv_key_set = mwl_key_set;
665 #ifdef MWL_HOST_PS_SUPPORT
666 if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS) {
667 vap->iv_update_ps = mwl_update_ps;
668 mvp->mv_set_tim = vap->iv_set_tim;
669 vap->iv_set_tim = mwl_set_tim;
672 vap->iv_reset = mwl_reset;
673 vap->iv_update_beacon = mwl_beacon_update;
675 /* override max aid so sta's cannot assoc when we're out of sta id's */
676 vap->iv_max_aid = MWL_MAXSTAID;
677 /* override default A-MPDU rx parameters */
678 vap->iv_ampdu_rxmax = IEEE80211_HTCAP_MAXRXAMPDU_64K;
679 vap->iv_ampdu_density = IEEE80211_HTCAP_MPDUDENSITY_4;
682 ieee80211_vap_attach(vap, mwl_media_change, ieee80211_media_status,
685 switch (vap->iv_opmode) {
686 case IEEE80211_M_HOSTAP:
687 case IEEE80211_M_MBSS:
688 case IEEE80211_M_STA:
690 * Setup sta db entry for local address.
693 if (vap->iv_opmode == IEEE80211_M_HOSTAP ||
694 vap->iv_opmode == IEEE80211_M_MBSS)
699 case IEEE80211_M_WDS:
706 * Setup overall operating mode.
709 ic->ic_opmode = IEEE80211_M_HOSTAP;
710 else if (sc->sc_nstavaps)
711 ic->ic_opmode = IEEE80211_M_STA;
713 ic->ic_opmode = opmode;
719 mwl_vap_delete(struct ieee80211vap *vap)
721 struct mwl_vap *mvp = MWL_VAP(vap);
722 struct mwl_softc *sc = vap->iv_ic->ic_softc;
723 struct mwl_hal *mh = sc->sc_mh;
724 struct mwl_hal_vap *hvap = mvp->mv_hvap;
725 enum ieee80211_opmode opmode = vap->iv_opmode;
727 /* XXX disallow ap vap delete if WDS still present */
728 if (sc->sc_running) {
729 /* quiesce h/w while we remove the vap */
730 mwl_hal_intrset(mh, 0); /* disable interrupts */
732 ieee80211_vap_detach(vap);
734 case IEEE80211_M_HOSTAP:
735 case IEEE80211_M_MBSS:
736 case IEEE80211_M_STA:
737 KASSERT(hvap != NULL, ("no hal vap handle"));
738 (void) mwl_hal_delstation(hvap, vap->iv_myaddr);
739 mwl_hal_delvap(hvap);
740 if (opmode == IEEE80211_M_HOSTAP || opmode == IEEE80211_M_MBSS)
744 /* XXX don't do it for IEEE80211_CLONE_MACADDR */
745 reclaim_address(sc, vap->iv_myaddr);
747 case IEEE80211_M_WDS:
753 mwl_cleartxq(sc, vap);
754 free(mvp, M_80211_VAP);
756 mwl_hal_intrset(mh, sc->sc_imask);
760 mwl_suspend(struct mwl_softc *sc)
769 mwl_resume(struct mwl_softc *sc)
774 if (sc->sc_ic.ic_nrunning > 0)
775 error = mwl_init(sc);
779 ieee80211_start_all(&sc->sc_ic); /* start all vap's */
783 mwl_shutdown(void *arg)
785 struct mwl_softc *sc = arg;
793 * Interrupt handler. Most of the actual processing is deferred.
798 struct mwl_softc *sc = arg;
799 struct mwl_hal *mh = sc->sc_mh;
802 if (sc->sc_invalid) {
804 * The hardware is not ready/present, don't touch anything.
805 * Note this can happen early on if the IRQ is shared.
807 DPRINTF(sc, MWL_DEBUG_ANY, "%s: invalid; ignored\n", __func__);
811 * Figure out the reason(s) for the interrupt.
813 mwl_hal_getisr(mh, &status); /* NB: clears ISR too */
814 if (status == 0) /* must be a shared irq */
817 DPRINTF(sc, MWL_DEBUG_INTR, "%s: status 0x%x imask 0x%x\n",
818 __func__, status, sc->sc_imask);
819 if (status & MACREG_A2HRIC_BIT_RX_RDY)
820 taskqueue_enqueue(sc->sc_tq, &sc->sc_rxtask);
821 if (status & MACREG_A2HRIC_BIT_TX_DONE)
822 taskqueue_enqueue(sc->sc_tq, &sc->sc_txtask);
823 if (status & MACREG_A2HRIC_BIT_BA_WATCHDOG)
824 taskqueue_enqueue(sc->sc_tq, &sc->sc_bawatchdogtask);
825 if (status & MACREG_A2HRIC_BIT_OPC_DONE)
827 if (status & MACREG_A2HRIC_BIT_MAC_EVENT) {
830 if (status & MACREG_A2HRIC_BIT_ICV_ERROR) {
832 sc->sc_stats.mst_rx_badtkipicv++;
834 if (status & MACREG_A2HRIC_BIT_QUEUE_EMPTY) {
835 /* 11n aggregation queue is empty, re-fill */
838 if (status & MACREG_A2HRIC_BIT_QUEUE_FULL) {
841 if (status & MACREG_A2HRIC_BIT_RADAR_DETECT) {
842 /* radar detected, process event */
843 taskqueue_enqueue(sc->sc_tq, &sc->sc_radartask);
845 if (status & MACREG_A2HRIC_BIT_CHAN_SWITCH) {
846 /* DFS channel switch */
847 taskqueue_enqueue(sc->sc_tq, &sc->sc_chanswitchtask);
852 mwl_radar_proc(void *arg, int pending)
854 struct mwl_softc *sc = arg;
855 struct ieee80211com *ic = &sc->sc_ic;
857 DPRINTF(sc, MWL_DEBUG_ANY, "%s: radar detected, pending %u\n",
860 sc->sc_stats.mst_radardetect++;
861 /* XXX stop h/w BA streams? */
864 ieee80211_dfs_notify_radar(ic, ic->ic_curchan);
865 IEEE80211_UNLOCK(ic);
869 mwl_chanswitch_proc(void *arg, int pending)
871 struct mwl_softc *sc = arg;
872 struct ieee80211com *ic = &sc->sc_ic;
874 DPRINTF(sc, MWL_DEBUG_ANY, "%s: channel switch notice, pending %u\n",
878 sc->sc_csapending = 0;
879 ieee80211_csa_completeswitch(ic);
880 IEEE80211_UNLOCK(ic);
884 mwl_bawatchdog(const MWL_HAL_BASTREAM *sp)
886 struct ieee80211_node *ni = sp->data[0];
888 /* send DELBA and drop the stream */
889 ieee80211_ampdu_stop(ni, sp->data[1], IEEE80211_REASON_UNSPECIFIED);
893 mwl_bawatchdog_proc(void *arg, int pending)
895 struct mwl_softc *sc = arg;
896 struct mwl_hal *mh = sc->sc_mh;
897 const MWL_HAL_BASTREAM *sp;
900 sc->sc_stats.mst_bawatchdog++;
902 if (mwl_hal_getwatchdogbitmap(mh, &bitmap) != 0) {
903 DPRINTF(sc, MWL_DEBUG_AMPDU,
904 "%s: could not get bitmap\n", __func__);
905 sc->sc_stats.mst_bawatchdog_failed++;
908 DPRINTF(sc, MWL_DEBUG_AMPDU, "%s: bitmap 0x%x\n", __func__, bitmap);
909 if (bitmap == 0xff) {
911 /* disable all ba streams */
912 for (bitmap = 0; bitmap < 8; bitmap++) {
913 sp = mwl_hal_bastream_lookup(mh, bitmap);
920 DPRINTF(sc, MWL_DEBUG_AMPDU,
921 "%s: no BA streams found\n", __func__);
922 sc->sc_stats.mst_bawatchdog_empty++;
924 } else if (bitmap != 0xaa) {
925 /* disable a single ba stream */
926 sp = mwl_hal_bastream_lookup(mh, bitmap);
930 DPRINTF(sc, MWL_DEBUG_AMPDU,
931 "%s: no BA stream %d\n", __func__, bitmap);
932 sc->sc_stats.mst_bawatchdog_notfound++;
938 * Convert net80211 channel to a HAL channel.
941 mwl_mapchan(MWL_HAL_CHANNEL *hc, const struct ieee80211_channel *chan)
943 hc->channel = chan->ic_ieee;
945 *(uint32_t *)&hc->channelFlags = 0;
946 if (IEEE80211_IS_CHAN_2GHZ(chan))
947 hc->channelFlags.FreqBand = MWL_FREQ_BAND_2DOT4GHZ;
948 else if (IEEE80211_IS_CHAN_5GHZ(chan))
949 hc->channelFlags.FreqBand = MWL_FREQ_BAND_5GHZ;
950 if (IEEE80211_IS_CHAN_HT40(chan)) {
951 hc->channelFlags.ChnlWidth = MWL_CH_40_MHz_WIDTH;
952 if (IEEE80211_IS_CHAN_HT40U(chan))
953 hc->channelFlags.ExtChnlOffset = MWL_EXT_CH_ABOVE_CTRL_CH;
955 hc->channelFlags.ExtChnlOffset = MWL_EXT_CH_BELOW_CTRL_CH;
957 hc->channelFlags.ChnlWidth = MWL_CH_20_MHz_WIDTH;
958 /* XXX 10MHz channels */
962 * Inform firmware of our tx/rx dma setup. The BAR 0
963 * writes below are for compatibility with older firmware.
964 * For current firmware we send this information with a
965 * cmd block via mwl_hal_sethwdma.
968 mwl_setupdma(struct mwl_softc *sc)
972 sc->sc_hwdma.rxDescRead = sc->sc_rxdma.dd_desc_paddr;
973 WR4(sc, sc->sc_hwspecs.rxDescRead, sc->sc_hwdma.rxDescRead);
974 WR4(sc, sc->sc_hwspecs.rxDescWrite, sc->sc_hwdma.rxDescRead);
976 for (i = 0; i < MWL_NUM_TX_QUEUES-MWL_NUM_ACK_QUEUES; i++) {
977 struct mwl_txq *txq = &sc->sc_txq[i];
978 sc->sc_hwdma.wcbBase[i] = txq->dma.dd_desc_paddr;
979 WR4(sc, sc->sc_hwspecs.wcbBase[i], sc->sc_hwdma.wcbBase[i]);
981 sc->sc_hwdma.maxNumTxWcb = mwl_txbuf;
982 sc->sc_hwdma.maxNumWCB = MWL_NUM_TX_QUEUES-MWL_NUM_ACK_QUEUES;
984 error = mwl_hal_sethwdma(sc->sc_mh, &sc->sc_hwdma);
986 device_printf(sc->sc_dev,
987 "unable to setup tx/rx dma; hal status %u\n", error);
994 * Inform firmware of tx rate parameters.
995 * Called after a channel change.
998 mwl_setcurchanrates(struct mwl_softc *sc)
1000 struct ieee80211com *ic = &sc->sc_ic;
1001 const struct ieee80211_rateset *rs;
1002 MWL_HAL_TXRATE rates;
1004 memset(&rates, 0, sizeof(rates));
1005 rs = ieee80211_get_suprates(ic, ic->ic_curchan);
1006 /* rate used to send management frames */
1007 rates.MgtRate = rs->rs_rates[0] & IEEE80211_RATE_VAL;
1008 /* rate used to send multicast frames */
1009 rates.McastRate = rates.MgtRate;
1011 return mwl_hal_settxrate_auto(sc->sc_mh, &rates);
1015 * Inform firmware of tx rate parameters. Called whenever
1016 * user-settable params change and after a channel change.
1019 mwl_setrates(struct ieee80211vap *vap)
1021 struct mwl_vap *mvp = MWL_VAP(vap);
1022 struct ieee80211_node *ni = vap->iv_bss;
1023 const struct ieee80211_txparam *tp = ni->ni_txparms;
1024 MWL_HAL_TXRATE rates;
1026 KASSERT(vap->iv_state == IEEE80211_S_RUN, ("state %d", vap->iv_state));
1029 * Update the h/w rate map.
1030 * NB: 0x80 for MCS is passed through unchanged
1032 memset(&rates, 0, sizeof(rates));
1033 /* rate used to send management frames */
1034 rates.MgtRate = tp->mgmtrate;
1035 /* rate used to send multicast frames */
1036 rates.McastRate = tp->mcastrate;
1038 /* while here calculate EAPOL fixed rate cookie */
1039 mvp->mv_eapolformat = htole16(mwl_calcformat(rates.MgtRate, ni));
1041 return mwl_hal_settxrate(mvp->mv_hvap,
1042 tp->ucastrate != IEEE80211_FIXED_RATE_NONE ?
1043 RATE_FIXED : RATE_AUTO, &rates);
1047 * Setup a fixed xmit rate cookie for EAPOL frames.
1050 mwl_seteapolformat(struct ieee80211vap *vap)
1052 struct mwl_vap *mvp = MWL_VAP(vap);
1053 struct ieee80211_node *ni = vap->iv_bss;
1054 enum ieee80211_phymode mode;
1057 KASSERT(vap->iv_state == IEEE80211_S_RUN, ("state %d", vap->iv_state));
1059 mode = ieee80211_chan2mode(ni->ni_chan);
1061 * Use legacy rates when operating a mixed HT+non-HT bss.
1062 * NB: this may violate POLA for sta and wds vap's.
1064 if (mode == IEEE80211_MODE_11NA &&
1065 (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0)
1066 rate = vap->iv_txparms[IEEE80211_MODE_11A].mgmtrate;
1067 else if (mode == IEEE80211_MODE_11NG &&
1068 (vap->iv_flags_ht & IEEE80211_FHT_PUREN) == 0)
1069 rate = vap->iv_txparms[IEEE80211_MODE_11G].mgmtrate;
1071 rate = vap->iv_txparms[mode].mgmtrate;
1073 mvp->mv_eapolformat = htole16(mwl_calcformat(rate, ni));
1077 * Map SKU+country code to region code for radar bin'ing.
1080 mwl_map2regioncode(const struct ieee80211_regdomain *rd)
1082 switch (rd->regdomain) {
1085 return DOMAIN_CODE_FCC;
1087 return DOMAIN_CODE_IC;
1091 if (rd->country == CTRY_SPAIN)
1092 return DOMAIN_CODE_SPAIN;
1093 if (rd->country == CTRY_FRANCE || rd->country == CTRY_FRANCE2)
1094 return DOMAIN_CODE_FRANCE;
1095 /* XXX force 1.3.1 radar type */
1096 return DOMAIN_CODE_ETSI_131;
1098 return DOMAIN_CODE_MKK;
1100 return DOMAIN_CODE_DGT; /* Taiwan */
1104 return DOMAIN_CODE_AUS; /* Australia */
1107 return DOMAIN_CODE_FCC; /* XXX? */
1111 mwl_hal_reset(struct mwl_softc *sc)
1113 struct ieee80211com *ic = &sc->sc_ic;
1114 struct mwl_hal *mh = sc->sc_mh;
1116 mwl_hal_setantenna(mh, WL_ANTENNATYPE_RX, sc->sc_rxantenna);
1117 mwl_hal_setantenna(mh, WL_ANTENNATYPE_TX, sc->sc_txantenna);
1118 mwl_hal_setradio(mh, 1, WL_AUTO_PREAMBLE);
1119 mwl_hal_setwmm(sc->sc_mh, (ic->ic_flags & IEEE80211_F_WME) != 0);
1120 mwl_chan_set(sc, ic->ic_curchan);
1121 /* NB: RF/RA performance tuned for indoor mode */
1122 mwl_hal_setrateadaptmode(mh, 0);
1123 mwl_hal_setoptimizationlevel(mh,
1124 (ic->ic_flags & IEEE80211_F_BURST) != 0);
1126 mwl_hal_setregioncode(mh, mwl_map2regioncode(&ic->ic_regdomain));
1128 mwl_hal_setaggampduratemode(mh, 1, 80); /* XXX */
1129 mwl_hal_setcfend(mh, 0); /* XXX */
1135 mwl_init(struct mwl_softc *sc)
1137 struct mwl_hal *mh = sc->sc_mh;
1140 MWL_LOCK_ASSERT(sc);
1143 * Stop anything previously setup. This is safe
1144 * whether this is the first time through or not.
1149 * Push vap-independent state to the firmware.
1151 if (!mwl_hal_reset(sc)) {
1152 device_printf(sc->sc_dev, "unable to reset hardware\n");
1157 * Setup recv (once); transmit is already good to go.
1159 error = mwl_startrecv(sc);
1161 device_printf(sc->sc_dev, "unable to start recv logic\n");
1166 * Enable interrupts.
1168 sc->sc_imask = MACREG_A2HRIC_BIT_RX_RDY
1169 | MACREG_A2HRIC_BIT_TX_DONE
1170 | MACREG_A2HRIC_BIT_OPC_DONE
1172 | MACREG_A2HRIC_BIT_MAC_EVENT
1174 | MACREG_A2HRIC_BIT_ICV_ERROR
1175 | MACREG_A2HRIC_BIT_RADAR_DETECT
1176 | MACREG_A2HRIC_BIT_CHAN_SWITCH
1178 | MACREG_A2HRIC_BIT_QUEUE_EMPTY
1180 | MACREG_A2HRIC_BIT_BA_WATCHDOG
1181 | MACREQ_A2HRIC_BIT_TX_ACK
1185 mwl_hal_intrset(mh, sc->sc_imask);
1186 callout_reset(&sc->sc_watchdog, hz, mwl_watchdog, sc);
1192 mwl_stop(struct mwl_softc *sc)
1195 MWL_LOCK_ASSERT(sc);
1196 if (sc->sc_running) {
1198 * Shutdown the hardware and driver.
1201 callout_stop(&sc->sc_watchdog);
1202 sc->sc_tx_timer = 0;
1208 mwl_reset_vap(struct ieee80211vap *vap, int state)
1210 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1211 struct ieee80211com *ic = vap->iv_ic;
1213 if (state == IEEE80211_S_RUN)
1216 mwl_hal_setrtsthreshold(hvap, vap->iv_rtsthreshold);
1217 /* XXX auto? 20/40 split? */
1218 mwl_hal_sethtgi(hvap, (vap->iv_flags_ht &
1219 (IEEE80211_FHT_SHORTGI20|IEEE80211_FHT_SHORTGI40)) ? 1 : 0);
1220 mwl_hal_setnprot(hvap, ic->ic_htprotmode == IEEE80211_PROT_NONE ?
1221 HTPROTECT_NONE : HTPROTECT_AUTO);
1222 /* XXX txpower cap */
1224 /* re-setup beacons */
1225 if (state == IEEE80211_S_RUN &&
1226 (vap->iv_opmode == IEEE80211_M_HOSTAP ||
1227 vap->iv_opmode == IEEE80211_M_MBSS ||
1228 vap->iv_opmode == IEEE80211_M_IBSS)) {
1229 mwl_setapmode(vap, vap->iv_bss->ni_chan);
1230 mwl_hal_setnprotmode(hvap, _IEEE80211_MASKSHIFT(
1231 ic->ic_curhtprotmode, IEEE80211_HTINFO_OPMODE));
1232 return mwl_beacon_setup(vap);
1238 * Reset the hardware w/o losing operational state.
1239 * Used to reset or reload hardware state for a vap.
1242 mwl_reset(struct ieee80211vap *vap, u_long cmd)
1244 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1247 if (hvap != NULL) { /* WDS, MONITOR, etc. */
1248 struct ieee80211com *ic = vap->iv_ic;
1249 struct mwl_softc *sc = ic->ic_softc;
1250 struct mwl_hal *mh = sc->sc_mh;
1252 /* XXX handle DWDS sta vap change */
1253 /* XXX do we need to disable interrupts? */
1254 mwl_hal_intrset(mh, 0); /* disable interrupts */
1255 error = mwl_reset_vap(vap, vap->iv_state);
1256 mwl_hal_intrset(mh, sc->sc_imask);
1262 * Allocate a tx buffer for sending a frame. The
1263 * packet is assumed to have the WME AC stored so
1264 * we can use it to select the appropriate h/w queue.
1266 static struct mwl_txbuf *
1267 mwl_gettxbuf(struct mwl_softc *sc, struct mwl_txq *txq)
1269 struct mwl_txbuf *bf;
1272 * Grab a TX buffer and associated resources.
1275 bf = STAILQ_FIRST(&txq->free);
1277 STAILQ_REMOVE_HEAD(&txq->free, bf_list);
1280 MWL_TXQ_UNLOCK(txq);
1282 DPRINTF(sc, MWL_DEBUG_XMIT,
1283 "%s: out of xmit buffers on q %d\n", __func__, txq->qnum);
1288 * Return a tx buffer to the queue it came from. Note there
1289 * are two cases because we must preserve the order of buffers
1290 * as it reflects the fixed order of descriptors in memory
1291 * (the firmware pre-fetches descriptors so we cannot reorder).
1294 mwl_puttxbuf_head(struct mwl_txq *txq, struct mwl_txbuf *bf)
1299 STAILQ_INSERT_HEAD(&txq->free, bf, bf_list);
1301 MWL_TXQ_UNLOCK(txq);
1305 mwl_puttxbuf_tail(struct mwl_txq *txq, struct mwl_txbuf *bf)
1310 STAILQ_INSERT_TAIL(&txq->free, bf, bf_list);
1312 MWL_TXQ_UNLOCK(txq);
1316 mwl_transmit(struct ieee80211com *ic, struct mbuf *m)
1318 struct mwl_softc *sc = ic->ic_softc;
1322 if (!sc->sc_running) {
1326 error = mbufq_enqueue(&sc->sc_snd, m);
1337 mwl_start(struct mwl_softc *sc)
1339 struct ieee80211_node *ni;
1340 struct mwl_txbuf *bf;
1342 struct mwl_txq *txq = NULL; /* XXX silence gcc */
1345 MWL_LOCK_ASSERT(sc);
1346 if (!sc->sc_running || sc->sc_invalid)
1349 while ((m = mbufq_dequeue(&sc->sc_snd)) != NULL) {
1351 * Grab the node for the destination.
1353 ni = (struct ieee80211_node *) m->m_pkthdr.rcvif;
1354 KASSERT(ni != NULL, ("no node"));
1355 m->m_pkthdr.rcvif = NULL; /* committed, clear ref */
1357 * Grab a TX buffer and associated resources.
1358 * We honor the classification by the 802.11 layer.
1360 txq = sc->sc_ac2q[M_WME_GETAC(m)];
1361 bf = mwl_gettxbuf(sc, txq);
1364 ieee80211_free_node(ni);
1365 #ifdef MWL_TX_NODROP
1366 sc->sc_stats.mst_tx_qstop++;
1369 DPRINTF(sc, MWL_DEBUG_XMIT,
1370 "%s: tail drop on q %d\n", __func__, txq->qnum);
1371 sc->sc_stats.mst_tx_qdrop++;
1373 #endif /* MWL_TX_NODROP */
1377 * Pass the frame to the h/w for transmission.
1379 if (mwl_tx_start(sc, ni, bf, m)) {
1380 if_inc_counter(ni->ni_vap->iv_ifp,
1381 IFCOUNTER_OERRORS, 1);
1382 mwl_puttxbuf_head(txq, bf);
1383 ieee80211_free_node(ni);
1387 if (nqueued >= mwl_txcoalesce) {
1389 * Poke the firmware to process queued frames;
1390 * see below about (lack of) locking.
1393 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/);
1398 * NB: We don't need to lock against tx done because
1399 * this just prods the firmware to check the transmit
1400 * descriptors. The firmware will also start fetching
1401 * descriptors by itself if it notices new ones are
1402 * present when it goes to deliver a tx done interrupt
1403 * to the host. So if we race with tx done processing
1404 * it's ok. Delivering the kick here rather than in
1405 * mwl_tx_start is an optimization to avoid poking the
1406 * firmware for each packet.
1408 * NB: the queue id isn't used so 0 is ok.
1410 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/);
1415 mwl_raw_xmit(struct ieee80211_node *ni, struct mbuf *m,
1416 const struct ieee80211_bpf_params *params)
1418 struct ieee80211com *ic = ni->ni_ic;
1419 struct mwl_softc *sc = ic->ic_softc;
1420 struct mwl_txbuf *bf;
1421 struct mwl_txq *txq;
1423 if (!sc->sc_running || sc->sc_invalid) {
1428 * Grab a TX buffer and associated resources.
1429 * Note that we depend on the classification
1430 * by the 802.11 layer to get to the right h/w
1431 * queue. Management frames must ALWAYS go on
1432 * queue 1 but we cannot just force that here
1433 * because we may receive non-mgt frames.
1435 txq = sc->sc_ac2q[M_WME_GETAC(m)];
1436 bf = mwl_gettxbuf(sc, txq);
1438 sc->sc_stats.mst_tx_qstop++;
1443 * Pass the frame to the h/w for transmission.
1445 if (mwl_tx_start(sc, ni, bf, m)) {
1446 mwl_puttxbuf_head(txq, bf);
1448 return EIO; /* XXX */
1451 * NB: We don't need to lock against tx done because
1452 * this just prods the firmware to check the transmit
1453 * descriptors. The firmware will also start fetching
1454 * descriptors by itself if it notices new ones are
1455 * present when it goes to deliver a tx done interrupt
1456 * to the host. So if we race with tx done processing
1457 * it's ok. Delivering the kick here rather than in
1458 * mwl_tx_start is an optimization to avoid poking the
1459 * firmware for each packet.
1461 * NB: the queue id isn't used so 0 is ok.
1463 mwl_hal_txstart(sc->sc_mh, 0/*XXX*/);
1468 mwl_media_change(struct ifnet *ifp)
1470 struct ieee80211vap *vap;
1473 /* NB: only the fixed rate can change and that doesn't need a reset */
1474 error = ieee80211_media_change(ifp);
1478 vap = ifp->if_softc;
1485 mwl_keyprint(struct mwl_softc *sc, const char *tag,
1486 const MWL_HAL_KEYVAL *hk, const uint8_t mac[IEEE80211_ADDR_LEN])
1488 static const char *ciphers[] = {
1495 printf("%s: [%u] %-7s", tag, hk->keyIndex, ciphers[hk->keyTypeId]);
1496 for (i = 0, n = hk->keyLen; i < n; i++)
1497 printf(" %02x", hk->key.aes[i]);
1498 printf(" mac %s", ether_sprintf(mac));
1499 if (hk->keyTypeId == KEY_TYPE_ID_TKIP) {
1500 printf(" %s", "rxmic");
1501 for (i = 0; i < sizeof(hk->key.tkip.rxMic); i++)
1502 printf(" %02x", hk->key.tkip.rxMic[i]);
1504 for (i = 0; i < sizeof(hk->key.tkip.txMic); i++)
1505 printf(" %02x", hk->key.tkip.txMic[i]);
1507 printf(" flags 0x%x\n", hk->keyFlags);
1512 * Allocate a key cache slot for a unicast key. The
1513 * firmware handles key allocation and every station is
1514 * guaranteed key space so we are always successful.
1517 mwl_key_alloc(struct ieee80211vap *vap, struct ieee80211_key *k,
1518 ieee80211_keyix *keyix, ieee80211_keyix *rxkeyix)
1520 struct mwl_softc *sc = vap->iv_ic->ic_softc;
1522 if (k->wk_keyix != IEEE80211_KEYIX_NONE ||
1523 (k->wk_flags & IEEE80211_KEY_GROUP)) {
1524 if (!(&vap->iv_nw_keys[0] <= k &&
1525 k < &vap->iv_nw_keys[IEEE80211_WEP_NKID])) {
1526 /* should not happen */
1527 DPRINTF(sc, MWL_DEBUG_KEYCACHE,
1528 "%s: bogus group key\n", __func__);
1531 /* give the caller what they requested */
1532 *keyix = *rxkeyix = ieee80211_crypto_get_key_wepidx(vap, k);
1535 * Firmware handles key allocation.
1537 *keyix = *rxkeyix = 0;
1543 * Delete a key entry allocated by mwl_key_alloc.
1546 mwl_key_delete(struct ieee80211vap *vap, const struct ieee80211_key *k)
1548 struct mwl_softc *sc = vap->iv_ic->ic_softc;
1549 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1551 const uint8_t bcastaddr[IEEE80211_ADDR_LEN] =
1552 { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
1555 if (vap->iv_opmode != IEEE80211_M_WDS) {
1556 /* XXX monitor mode? */
1557 DPRINTF(sc, MWL_DEBUG_KEYCACHE,
1558 "%s: no hvap for opmode %d\n", __func__,
1562 hvap = MWL_VAP(vap)->mv_ap_hvap;
1565 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: delete key %u\n",
1566 __func__, k->wk_keyix);
1568 memset(&hk, 0, sizeof(hk));
1569 hk.keyIndex = k->wk_keyix;
1570 switch (k->wk_cipher->ic_cipher) {
1571 case IEEE80211_CIPHER_WEP:
1572 hk.keyTypeId = KEY_TYPE_ID_WEP;
1574 case IEEE80211_CIPHER_TKIP:
1575 hk.keyTypeId = KEY_TYPE_ID_TKIP;
1577 case IEEE80211_CIPHER_AES_CCM:
1578 hk.keyTypeId = KEY_TYPE_ID_AES;
1581 /* XXX should not happen */
1582 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: unknown cipher %d\n",
1583 __func__, k->wk_cipher->ic_cipher);
1586 return (mwl_hal_keyreset(hvap, &hk, bcastaddr) == 0); /*XXX*/
1590 addgroupflags(MWL_HAL_KEYVAL *hk, const struct ieee80211_key *k)
1592 if (k->wk_flags & IEEE80211_KEY_GROUP) {
1593 if (k->wk_flags & IEEE80211_KEY_XMIT)
1594 hk->keyFlags |= KEY_FLAG_TXGROUPKEY;
1595 if (k->wk_flags & IEEE80211_KEY_RECV)
1596 hk->keyFlags |= KEY_FLAG_RXGROUPKEY;
1603 * Set the key cache contents for the specified key. Key cache
1604 * slot(s) must already have been allocated by mwl_key_alloc.
1607 mwl_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k)
1609 return (_mwl_key_set(vap, k, k->wk_macaddr));
1613 _mwl_key_set(struct ieee80211vap *vap, const struct ieee80211_key *k,
1614 const uint8_t mac[IEEE80211_ADDR_LEN])
1616 #define GRPXMIT (IEEE80211_KEY_XMIT | IEEE80211_KEY_GROUP)
1617 /* NB: static wep keys are marked GROUP+tx/rx; GTK will be tx or rx */
1618 #define IEEE80211_IS_STATICKEY(k) \
1619 (((k)->wk_flags & (GRPXMIT|IEEE80211_KEY_RECV)) == \
1620 (GRPXMIT|IEEE80211_KEY_RECV))
1621 struct mwl_softc *sc = vap->iv_ic->ic_softc;
1622 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1623 const struct ieee80211_cipher *cip = k->wk_cipher;
1624 const uint8_t *macaddr;
1627 KASSERT((k->wk_flags & IEEE80211_KEY_SWCRYPT) == 0,
1628 ("s/w crypto set?"));
1631 if (vap->iv_opmode != IEEE80211_M_WDS) {
1632 /* XXX monitor mode? */
1633 DPRINTF(sc, MWL_DEBUG_KEYCACHE,
1634 "%s: no hvap for opmode %d\n", __func__,
1638 hvap = MWL_VAP(vap)->mv_ap_hvap;
1640 memset(&hk, 0, sizeof(hk));
1641 hk.keyIndex = k->wk_keyix;
1642 switch (cip->ic_cipher) {
1643 case IEEE80211_CIPHER_WEP:
1644 hk.keyTypeId = KEY_TYPE_ID_WEP;
1645 hk.keyLen = k->wk_keylen;
1646 if (k->wk_keyix == vap->iv_def_txkey)
1647 hk.keyFlags = KEY_FLAG_WEP_TXKEY;
1648 if (!IEEE80211_IS_STATICKEY(k)) {
1649 /* NB: WEP is never used for the PTK */
1650 (void) addgroupflags(&hk, k);
1653 case IEEE80211_CIPHER_TKIP:
1654 hk.keyTypeId = KEY_TYPE_ID_TKIP;
1655 hk.key.tkip.tsc.high = (uint32_t)(k->wk_keytsc >> 16);
1656 hk.key.tkip.tsc.low = (uint16_t)k->wk_keytsc;
1657 hk.keyFlags = KEY_FLAG_TSC_VALID | KEY_FLAG_MICKEY_VALID;
1658 hk.keyLen = k->wk_keylen + IEEE80211_MICBUF_SIZE;
1659 if (!addgroupflags(&hk, k))
1660 hk.keyFlags |= KEY_FLAG_PAIRWISE;
1662 case IEEE80211_CIPHER_AES_CCM:
1663 hk.keyTypeId = KEY_TYPE_ID_AES;
1664 hk.keyLen = k->wk_keylen;
1665 if (!addgroupflags(&hk, k))
1666 hk.keyFlags |= KEY_FLAG_PAIRWISE;
1669 /* XXX should not happen */
1670 DPRINTF(sc, MWL_DEBUG_KEYCACHE, "%s: unknown cipher %d\n",
1671 __func__, k->wk_cipher->ic_cipher);
1675 * NB: tkip mic keys get copied here too; the layout
1676 * just happens to match that in ieee80211_key.
1678 memcpy(hk.key.aes, k->wk_key, hk.keyLen);
1681 * Locate address of sta db entry for writing key;
1682 * the convention unfortunately is somewhat different
1683 * than how net80211, hostapd, and wpa_supplicant think.
1685 if (vap->iv_opmode == IEEE80211_M_STA) {
1687 * NB: keys plumbed before the sta reaches AUTH state
1688 * will be discarded or written to the wrong sta db
1689 * entry because iv_bss is meaningless. This is ok
1690 * (right now) because we handle deferred plumbing of
1691 * WEP keys when the sta reaches AUTH state.
1693 macaddr = vap->iv_bss->ni_bssid;
1694 if ((k->wk_flags & IEEE80211_KEY_GROUP) == 0) {
1695 /* XXX plumb to local sta db too for static key wep */
1696 mwl_hal_keyset(hvap, &hk, vap->iv_myaddr);
1698 } else if (vap->iv_opmode == IEEE80211_M_WDS &&
1699 vap->iv_state != IEEE80211_S_RUN) {
1701 * Prior to RUN state a WDS vap will not it's BSS node
1702 * setup so we will plumb the key to the wrong mac
1703 * address (it'll be our local address). Workaround
1704 * this for the moment by grabbing the correct address.
1706 macaddr = vap->iv_des_bssid;
1707 } else if ((k->wk_flags & GRPXMIT) == GRPXMIT)
1708 macaddr = vap->iv_myaddr;
1711 KEYPRINTF(sc, &hk, macaddr);
1712 return (mwl_hal_keyset(hvap, &hk, macaddr) == 0);
1713 #undef IEEE80211_IS_STATICKEY
1718 * Set the multicast filter contents into the hardware.
1719 * XXX f/w has no support; just defer to the os.
1722 mwl_setmcastfilter(struct mwl_softc *sc)
1725 struct ether_multi *enm;
1726 struct ether_multistep estep;
1727 uint8_t macs[IEEE80211_ADDR_LEN*MWL_HAL_MCAST_MAX];/* XXX stack use */
1733 ETHER_FIRST_MULTI(estep, &sc->sc_ec, enm);
1734 while (enm != NULL) {
1735 /* XXX Punt on ranges. */
1736 if (nmc == MWL_HAL_MCAST_MAX ||
1737 !IEEE80211_ADDR_EQ(enm->enm_addrlo, enm->enm_addrhi)) {
1738 ifp->if_flags |= IFF_ALLMULTI;
1741 IEEE80211_ADDR_COPY(mp, enm->enm_addrlo);
1742 mp += IEEE80211_ADDR_LEN, nmc++;
1743 ETHER_NEXT_MULTI(estep, enm);
1745 ifp->if_flags &= ~IFF_ALLMULTI;
1746 mwl_hal_setmcast(sc->sc_mh, nmc, macs);
1751 mwl_mode_init(struct mwl_softc *sc)
1753 struct ieee80211com *ic = &sc->sc_ic;
1754 struct mwl_hal *mh = sc->sc_mh;
1756 mwl_hal_setpromisc(mh, ic->ic_promisc > 0);
1757 mwl_setmcastfilter(sc);
1763 * Callback from the 802.11 layer after a multicast state change.
1766 mwl_update_mcast(struct ieee80211com *ic)
1768 struct mwl_softc *sc = ic->ic_softc;
1770 mwl_setmcastfilter(sc);
1774 * Callback from the 802.11 layer after a promiscuous mode change.
1775 * Note this interface does not check the operating mode as this
1776 * is an internal callback and we are expected to honor the current
1777 * state (e.g. this is used for setting the interface in promiscuous
1778 * mode when operating in hostap mode to do ACS).
1781 mwl_update_promisc(struct ieee80211com *ic)
1783 struct mwl_softc *sc = ic->ic_softc;
1785 mwl_hal_setpromisc(sc->sc_mh, ic->ic_promisc > 0);
1789 * Callback from the 802.11 layer to update the slot time
1790 * based on the current setting. We use it to notify the
1791 * firmware of ERP changes and the f/w takes care of things
1792 * like slot time and preamble.
1795 mwl_updateslot(struct ieee80211com *ic)
1797 struct mwl_softc *sc = ic->ic_softc;
1798 struct mwl_hal *mh = sc->sc_mh;
1801 /* NB: can be called early; suppress needless cmds */
1802 if (!sc->sc_running)
1806 * Calculate the ERP flags. The firwmare will use
1807 * this to carry out the appropriate measures.
1810 if (IEEE80211_IS_CHAN_ANYG(ic->ic_curchan)) {
1811 if ((ic->ic_flags & IEEE80211_F_SHSLOT) == 0)
1812 prot |= IEEE80211_ERP_NON_ERP_PRESENT;
1813 if (ic->ic_flags & IEEE80211_F_USEPROT)
1814 prot |= IEEE80211_ERP_USE_PROTECTION;
1815 if (ic->ic_flags & IEEE80211_F_USEBARKER)
1816 prot |= IEEE80211_ERP_LONG_PREAMBLE;
1819 DPRINTF(sc, MWL_DEBUG_RESET,
1820 "%s: chan %u MHz/flags 0x%x %s slot, (prot 0x%x ic_flags 0x%x)\n",
1821 __func__, ic->ic_curchan->ic_freq, ic->ic_curchan->ic_flags,
1822 ic->ic_flags & IEEE80211_F_SHSLOT ? "short" : "long", prot,
1825 mwl_hal_setgprot(mh, prot);
1829 * Setup the beacon frame.
1832 mwl_beacon_setup(struct ieee80211vap *vap)
1834 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1835 struct ieee80211_node *ni = vap->iv_bss;
1838 m = ieee80211_beacon_alloc(ni);
1841 mwl_hal_setbeacon(hvap, mtod(m, const void *), m->m_len);
1848 * Update the beacon frame in response to a change.
1851 mwl_beacon_update(struct ieee80211vap *vap, int item)
1853 struct mwl_hal_vap *hvap = MWL_VAP(vap)->mv_hvap;
1854 struct ieee80211com *ic = vap->iv_ic;
1856 KASSERT(hvap != NULL, ("no beacon"));
1858 case IEEE80211_BEACON_ERP:
1861 case IEEE80211_BEACON_HTINFO:
1862 mwl_hal_setnprotmode(hvap, _IEEE80211_MASKSHIFT(
1863 ic->ic_curhtprotmode, IEEE80211_HTINFO_OPMODE));
1865 case IEEE80211_BEACON_CAPS:
1866 case IEEE80211_BEACON_WME:
1867 case IEEE80211_BEACON_APPIE:
1868 case IEEE80211_BEACON_CSA:
1870 case IEEE80211_BEACON_TIM:
1871 /* NB: firmware always forms TIM */
1874 /* XXX retain beacon frame and update */
1875 mwl_beacon_setup(vap);
1879 mwl_load_cb(void *arg, bus_dma_segment_t *segs, int nsegs, int error)
1881 bus_addr_t *paddr = (bus_addr_t*) arg;
1882 KASSERT(error == 0, ("error %u on bus_dma callback", error));
1883 *paddr = segs->ds_addr;
1886 #ifdef MWL_HOST_PS_SUPPORT
1888 * Handle power save station occupancy changes.
1891 mwl_update_ps(struct ieee80211vap *vap, int nsta)
1893 struct mwl_vap *mvp = MWL_VAP(vap);
1895 if (nsta == 0 || mvp->mv_last_ps_sta == 0)
1896 mwl_hal_setpowersave_bss(mvp->mv_hvap, nsta);
1897 mvp->mv_last_ps_sta = nsta;
1901 * Handle associated station power save state changes.
1904 mwl_set_tim(struct ieee80211_node *ni, int set)
1906 struct ieee80211vap *vap = ni->ni_vap;
1907 struct mwl_vap *mvp = MWL_VAP(vap);
1909 if (mvp->mv_set_tim(ni, set)) { /* NB: state change */
1910 mwl_hal_setpowersave_sta(mvp->mv_hvap,
1911 IEEE80211_AID(ni->ni_associd), set);
1916 #endif /* MWL_HOST_PS_SUPPORT */
1919 mwl_desc_setup(struct mwl_softc *sc, const char *name,
1920 struct mwl_descdma *dd,
1921 int nbuf, size_t bufsize, int ndesc, size_t descsize)
1926 DPRINTF(sc, MWL_DEBUG_RESET,
1927 "%s: %s DMA: %u bufs (%ju) %u desc/buf (%ju)\n",
1928 __func__, name, nbuf, (uintmax_t) bufsize,
1929 ndesc, (uintmax_t) descsize);
1932 dd->dd_desc_len = nbuf * ndesc * descsize;
1935 * Setup DMA descriptor area.
1937 error = bus_dma_tag_create(bus_get_dma_tag(sc->sc_dev), /* parent */
1938 PAGE_SIZE, 0, /* alignment, bounds */
1939 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
1940 BUS_SPACE_MAXADDR, /* highaddr */
1941 NULL, NULL, /* filter, filterarg */
1942 dd->dd_desc_len, /* maxsize */
1944 dd->dd_desc_len, /* maxsegsize */
1945 BUS_DMA_ALLOCNOW, /* flags */
1946 NULL, /* lockfunc */
1950 device_printf(sc->sc_dev, "cannot allocate %s DMA tag\n", dd->dd_name);
1954 /* allocate descriptors */
1955 error = bus_dmamem_alloc(dd->dd_dmat, (void**) &dd->dd_desc,
1956 BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
1959 device_printf(sc->sc_dev, "unable to alloc memory for %u %s descriptors, "
1960 "error %u\n", nbuf * ndesc, dd->dd_name, error);
1964 error = bus_dmamap_load(dd->dd_dmat, dd->dd_dmamap,
1965 dd->dd_desc, dd->dd_desc_len,
1966 mwl_load_cb, &dd->dd_desc_paddr,
1969 device_printf(sc->sc_dev, "unable to map %s descriptors, error %u\n",
1970 dd->dd_name, error);
1975 memset(ds, 0, dd->dd_desc_len);
1976 DPRINTF(sc, MWL_DEBUG_RESET,
1977 "%s: %s DMA map: %p (%lu) -> 0x%jx (%lu)\n",
1978 __func__, dd->dd_name, ds, (u_long) dd->dd_desc_len,
1979 (uintmax_t) dd->dd_desc_paddr, /*XXX*/ (u_long) dd->dd_desc_len);
1983 bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);
1985 bus_dma_tag_destroy(dd->dd_dmat);
1986 memset(dd, 0, sizeof(*dd));
1992 mwl_desc_cleanup(struct mwl_softc *sc, struct mwl_descdma *dd)
1994 bus_dmamap_unload(dd->dd_dmat, dd->dd_dmamap);
1995 bus_dmamem_free(dd->dd_dmat, dd->dd_desc, dd->dd_dmamap);
1996 bus_dma_tag_destroy(dd->dd_dmat);
1998 memset(dd, 0, sizeof(*dd));
2002 * Construct a tx q's free list. The order of entries on
2003 * the list must reflect the physical layout of tx descriptors
2004 * because the firmware pre-fetches descriptors.
2006 * XXX might be better to use indices into the buffer array.
2009 mwl_txq_reset(struct mwl_softc *sc, struct mwl_txq *txq)
2011 struct mwl_txbuf *bf;
2014 bf = txq->dma.dd_bufptr;
2015 STAILQ_INIT(&txq->free);
2016 for (i = 0; i < mwl_txbuf; i++, bf++)
2017 STAILQ_INSERT_TAIL(&txq->free, bf, bf_list);
2021 #define DS2PHYS(_dd, _ds) \
2022 ((_dd)->dd_desc_paddr + ((caddr_t)(_ds) - (caddr_t)(_dd)->dd_desc))
2025 mwl_txdma_setup(struct mwl_softc *sc, struct mwl_txq *txq)
2027 int error, bsize, i;
2028 struct mwl_txbuf *bf;
2029 struct mwl_txdesc *ds;
2031 error = mwl_desc_setup(sc, "tx", &txq->dma,
2032 mwl_txbuf, sizeof(struct mwl_txbuf),
2033 MWL_TXDESC, sizeof(struct mwl_txdesc));
2037 /* allocate and setup tx buffers */
2038 bsize = mwl_txbuf * sizeof(struct mwl_txbuf);
2039 bf = malloc(bsize, M_MWLDEV, M_NOWAIT | M_ZERO);
2041 device_printf(sc->sc_dev, "malloc of %u tx buffers failed\n",
2045 txq->dma.dd_bufptr = bf;
2047 ds = txq->dma.dd_desc;
2048 for (i = 0; i < mwl_txbuf; i++, bf++, ds += MWL_TXDESC) {
2050 bf->bf_daddr = DS2PHYS(&txq->dma, ds);
2051 error = bus_dmamap_create(sc->sc_dmat, BUS_DMA_NOWAIT,
2054 device_printf(sc->sc_dev, "unable to create dmamap for tx "
2055 "buffer %u, error %u\n", i, error);
2059 mwl_txq_reset(sc, txq);
2064 mwl_txdma_cleanup(struct mwl_softc *sc, struct mwl_txq *txq)
2066 struct mwl_txbuf *bf;
2069 bf = txq->dma.dd_bufptr;
2070 for (i = 0; i < mwl_txbuf; i++, bf++) {
2071 KASSERT(bf->bf_m == NULL, ("mbuf on free list"));
2072 KASSERT(bf->bf_node == NULL, ("node on free list"));
2073 if (bf->bf_dmamap != NULL)
2074 bus_dmamap_destroy(sc->sc_dmat, bf->bf_dmamap);
2076 STAILQ_INIT(&txq->free);
2078 if (txq->dma.dd_bufptr != NULL) {
2079 free(txq->dma.dd_bufptr, M_MWLDEV);
2080 txq->dma.dd_bufptr = NULL;
2082 if (txq->dma.dd_desc_len != 0)
2083 mwl_desc_cleanup(sc, &txq->dma);
2087 mwl_rxdma_setup(struct mwl_softc *sc)
2089 int error, jumbosize, bsize, i;
2090 struct mwl_rxbuf *bf;
2091 struct mwl_jumbo *rbuf;
2092 struct mwl_rxdesc *ds;
2095 error = mwl_desc_setup(sc, "rx", &sc->sc_rxdma,
2096 mwl_rxdesc, sizeof(struct mwl_rxbuf),
2097 1, sizeof(struct mwl_rxdesc));
2102 * Receive is done to a private pool of jumbo buffers.
2103 * This allows us to attach to mbuf's and avoid re-mapping
2104 * memory on each rx we post. We allocate a large chunk
2105 * of memory and manage it in the driver. The mbuf free
2106 * callback method is used to reclaim frames after sending
2107 * them up the stack. By default we allocate 2x the number of
2108 * rx descriptors configured so we have some slop to hold
2109 * us while frames are processed.
2111 if (mwl_rxbuf < 2*mwl_rxdesc) {
2112 device_printf(sc->sc_dev,
2113 "too few rx dma buffers (%d); increasing to %d\n",
2114 mwl_rxbuf, 2*mwl_rxdesc);
2115 mwl_rxbuf = 2*mwl_rxdesc;
2117 jumbosize = roundup(MWL_AGGR_SIZE, PAGE_SIZE);
2118 sc->sc_rxmemsize = mwl_rxbuf*jumbosize;
2120 error = bus_dma_tag_create(sc->sc_dmat, /* parent */
2121 PAGE_SIZE, 0, /* alignment, bounds */
2122 BUS_SPACE_MAXADDR_32BIT, /* lowaddr */
2123 BUS_SPACE_MAXADDR, /* highaddr */
2124 NULL, NULL, /* filter, filterarg */
2125 sc->sc_rxmemsize, /* maxsize */
2127 sc->sc_rxmemsize, /* maxsegsize */
2128 BUS_DMA_ALLOCNOW, /* flags */
2129 NULL, /* lockfunc */
2133 device_printf(sc->sc_dev, "could not create rx DMA tag\n");
2137 error = bus_dmamem_alloc(sc->sc_rxdmat, (void**) &sc->sc_rxmem,
2138 BUS_DMA_NOWAIT | BUS_DMA_COHERENT,
2141 device_printf(sc->sc_dev, "could not alloc %ju bytes of rx DMA memory\n",
2142 (uintmax_t) sc->sc_rxmemsize);
2146 error = bus_dmamap_load(sc->sc_rxdmat, sc->sc_rxmap,
2147 sc->sc_rxmem, sc->sc_rxmemsize,
2148 mwl_load_cb, &sc->sc_rxmem_paddr,
2151 device_printf(sc->sc_dev, "could not load rx DMA map\n");
2156 * Allocate rx buffers and set them up.
2158 bsize = mwl_rxdesc * sizeof(struct mwl_rxbuf);
2159 bf = malloc(bsize, M_MWLDEV, M_NOWAIT | M_ZERO);
2161 device_printf(sc->sc_dev, "malloc of %u rx buffers failed\n", bsize);
2164 sc->sc_rxdma.dd_bufptr = bf;
2166 STAILQ_INIT(&sc->sc_rxbuf);
2167 ds = sc->sc_rxdma.dd_desc;
2168 for (i = 0; i < mwl_rxdesc; i++, bf++, ds++) {
2170 bf->bf_daddr = DS2PHYS(&sc->sc_rxdma, ds);
2171 /* pre-assign dma buffer */
2172 bf->bf_data = ((uint8_t *)sc->sc_rxmem) + (i*jumbosize);
2173 /* NB: tail is intentional to preserve descriptor order */
2174 STAILQ_INSERT_TAIL(&sc->sc_rxbuf, bf, bf_list);
2178 * Place remainder of dma memory buffers on the free list.
2180 SLIST_INIT(&sc->sc_rxfree);
2181 for (; i < mwl_rxbuf; i++) {
2182 data = ((uint8_t *)sc->sc_rxmem) + (i*jumbosize);
2183 rbuf = MWL_JUMBO_DATA2BUF(data);
2184 SLIST_INSERT_HEAD(&sc->sc_rxfree, rbuf, next);
2192 mwl_rxdma_cleanup(struct mwl_softc *sc)
2194 if (sc->sc_rxmem_paddr != 0) {
2195 bus_dmamap_unload(sc->sc_rxdmat, sc->sc_rxmap);
2196 sc->sc_rxmem_paddr = 0;
2198 if (sc->sc_rxmem != NULL) {
2199 bus_dmamem_free(sc->sc_rxdmat, sc->sc_rxmem, sc->sc_rxmap);
2200 sc->sc_rxmem = NULL;
2202 if (sc->sc_rxdma.dd_bufptr != NULL) {
2203 free(sc->sc_rxdma.dd_bufptr, M_MWLDEV);
2204 sc->sc_rxdma.dd_bufptr = NULL;
2206 if (sc->sc_rxdma.dd_desc_len != 0)
2207 mwl_desc_cleanup(sc, &sc->sc_rxdma);
2211 mwl_dma_setup(struct mwl_softc *sc)
2215 error = mwl_rxdma_setup(sc);
2217 mwl_rxdma_cleanup(sc);
2221 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) {
2222 error = mwl_txdma_setup(sc, &sc->sc_txq[i]);
2224 mwl_dma_cleanup(sc);
2232 mwl_dma_cleanup(struct mwl_softc *sc)
2236 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
2237 mwl_txdma_cleanup(sc, &sc->sc_txq[i]);
2238 mwl_rxdma_cleanup(sc);
2241 static struct ieee80211_node *
2242 mwl_node_alloc(struct ieee80211vap *vap, const uint8_t mac[IEEE80211_ADDR_LEN])
2244 struct ieee80211com *ic = vap->iv_ic;
2245 struct mwl_softc *sc = ic->ic_softc;
2246 const size_t space = sizeof(struct mwl_node);
2247 struct mwl_node *mn;
2249 mn = malloc(space, M_80211_NODE, M_NOWAIT|M_ZERO);
2254 DPRINTF(sc, MWL_DEBUG_NODE, "%s: mn %p\n", __func__, mn);
2255 return &mn->mn_node;
2259 mwl_node_cleanup(struct ieee80211_node *ni)
2261 struct ieee80211com *ic = ni->ni_ic;
2262 struct mwl_softc *sc = ic->ic_softc;
2263 struct mwl_node *mn = MWL_NODE(ni);
2265 DPRINTF(sc, MWL_DEBUG_NODE, "%s: ni %p ic %p staid %d\n",
2266 __func__, ni, ni->ni_ic, mn->mn_staid);
2268 if (mn->mn_staid != 0) {
2269 struct ieee80211vap *vap = ni->ni_vap;
2271 if (mn->mn_hvap != NULL) {
2272 if (vap->iv_opmode == IEEE80211_M_STA)
2273 mwl_hal_delstation(mn->mn_hvap, vap->iv_myaddr);
2275 mwl_hal_delstation(mn->mn_hvap, ni->ni_macaddr);
2278 * NB: legacy WDS peer sta db entry is installed using
2279 * the associate ap's hvap; use it again to delete it.
2280 * XXX can vap be NULL?
2282 else if (vap->iv_opmode == IEEE80211_M_WDS &&
2283 MWL_VAP(vap)->mv_ap_hvap != NULL)
2284 mwl_hal_delstation(MWL_VAP(vap)->mv_ap_hvap,
2286 delstaid(sc, mn->mn_staid);
2289 sc->sc_node_cleanup(ni);
2293 * Reclaim rx dma buffers from packets sitting on the ampdu
2294 * reorder queue for a station. We replace buffers with a
2295 * system cluster (if available).
2298 mwl_ampdu_rxdma_reclaim(struct ieee80211_rx_ampdu *rap)
2305 n = rap->rxa_qframes;
2306 for (i = 0; i < rap->rxa_wnd && n > 0; i++) {
2311 /* our dma buffers have a well-known free routine */
2312 if ((m->m_flags & M_EXT) == 0 ||
2313 m->m_ext.ext_free != mwl_ext_free)
2316 * Try to allocate a cluster and move the data.
2318 off = m->m_data - m->m_ext.ext_buf;
2319 if (off + m->m_pkthdr.len > MCLBYTES) {
2320 /* XXX no AMSDU for now */
2323 cl = pool_cache_get_paddr(&mclpool_cache, 0,
2324 &m->m_ext.ext_paddr);
2327 * Copy the existing data to the cluster, remove
2328 * the rx dma buffer, and attach the cluster in
2329 * its place. Note we preserve the offset to the
2330 * data so frames being bridged can still prepend
2331 * their headers without adding another mbuf.
2333 memcpy((caddr_t) cl + off, m->m_data, m->m_pkthdr.len);
2335 MEXTADD(m, cl, MCLBYTES, 0, NULL, &mclpool_cache);
2336 /* setup mbuf like _MCLGET does */
2337 m->m_flags |= M_CLUSTER | M_EXT_RW;
2338 _MOWNERREF(m, M_EXT | M_CLUSTER);
2339 /* NB: m_data is clobbered by MEXTADDR, adjust */
2347 * Callback to reclaim resources. We first let the
2348 * net80211 layer do it's thing, then if we are still
2349 * blocked by a lack of rx dma buffers we walk the ampdu
2350 * reorder q's to reclaim buffers by copying to a system
2354 mwl_node_drain(struct ieee80211_node *ni)
2356 struct ieee80211com *ic = ni->ni_ic;
2357 struct mwl_softc *sc = ic->ic_softc;
2358 struct mwl_node *mn = MWL_NODE(ni);
2360 DPRINTF(sc, MWL_DEBUG_NODE, "%s: ni %p vap %p staid %d\n",
2361 __func__, ni, ni->ni_vap, mn->mn_staid);
2363 /* NB: call up first to age out ampdu q's */
2364 sc->sc_node_drain(ni);
2366 /* XXX better to not check low water mark? */
2367 if (sc->sc_rxblocked && mn->mn_staid != 0 &&
2368 (ni->ni_flags & IEEE80211_NODE_HT)) {
2371 * Walk the reorder q and reclaim rx dma buffers by copying
2372 * the packet contents into clusters.
2374 for (tid = 0; tid < WME_NUM_TID; tid++) {
2375 struct ieee80211_rx_ampdu *rap;
2377 rap = &ni->ni_rx_ampdu[tid];
2378 if ((rap->rxa_flags & IEEE80211_AGGR_XCHGPEND) == 0)
2380 if (rap->rxa_qframes)
2381 mwl_ampdu_rxdma_reclaim(rap);
2387 mwl_node_getsignal(const struct ieee80211_node *ni, int8_t *rssi, int8_t *noise)
2389 *rssi = ni->ni_ic->ic_node_getrssi(ni);
2390 #ifdef MWL_ANT_INFO_SUPPORT
2392 /* XXX need to smooth data */
2393 *noise = -MWL_NODE_CONST(ni)->mn_ai.nf;
2395 *noise = -95; /* XXX */
2398 *noise = -95; /* XXX */
2403 * Convert Hardware per-antenna rssi info to common format:
2404 * Let a1, a2, a3 represent the amplitudes per chain
2405 * Let amax represent max[a1, a2, a3]
2406 * Rssi1_dBm = RSSI_dBm + 20*log10(a1/amax)
2407 * Rssi1_dBm = RSSI_dBm + 20*log10(a1) - 20*log10(amax)
2408 * We store a table that is 4*20*log10(idx) - the extra 4 is to store or
2409 * maintain some extra precision.
2411 * Values are stored in .5 db format capped at 127.
2414 mwl_node_getmimoinfo(const struct ieee80211_node *ni,
2415 struct ieee80211_mimo_info *mi)
2417 #define CVT(_dst, _src) do { \
2418 (_dst) = rssi + ((logdbtbl[_src] - logdbtbl[rssi_max]) >> 2); \
2419 (_dst) = (_dst) > 64 ? 127 : ((_dst) << 1); \
2421 static const int8_t logdbtbl[32] = {
2422 0, 0, 24, 38, 48, 56, 62, 68,
2423 72, 76, 80, 83, 86, 89, 92, 94,
2424 96, 98, 100, 102, 104, 106, 107, 109,
2425 110, 112, 113, 115, 116, 117, 118, 119
2427 const struct mwl_node *mn = MWL_NODE_CONST(ni);
2428 uint8_t rssi = mn->mn_ai.rsvd1/2; /* XXX */
2431 rssi_max = mn->mn_ai.rssi_a;
2432 if (mn->mn_ai.rssi_b > rssi_max)
2433 rssi_max = mn->mn_ai.rssi_b;
2434 if (mn->mn_ai.rssi_c > rssi_max)
2435 rssi_max = mn->mn_ai.rssi_c;
2437 CVT(mi->ch[0].rssi[0], mn->mn_ai.rssi_a);
2438 CVT(mi->ch[1].rssi[0], mn->mn_ai.rssi_b);
2439 CVT(mi->ch[2].rssi[0], mn->mn_ai.rssi_c);
2441 mi->ch[0].noise[0] = mn->mn_ai.nf_a;
2442 mi->ch[1].noise[0] = mn->mn_ai.nf_b;
2443 mi->ch[2].noise[0] = mn->mn_ai.nf_c;
2447 static __inline void *
2448 mwl_getrxdma(struct mwl_softc *sc)
2450 struct mwl_jumbo *buf;
2454 * Allocate from jumbo pool.
2456 MWL_RXFREE_LOCK(sc);
2457 buf = SLIST_FIRST(&sc->sc_rxfree);
2459 DPRINTF(sc, MWL_DEBUG_ANY,
2460 "%s: out of rx dma buffers\n", __func__);
2461 sc->sc_stats.mst_rx_nodmabuf++;
2464 SLIST_REMOVE_HEAD(&sc->sc_rxfree, next);
2466 data = MWL_JUMBO_BUF2DATA(buf);
2468 MWL_RXFREE_UNLOCK(sc);
2472 static __inline void
2473 mwl_putrxdma(struct mwl_softc *sc, void *data)
2475 struct mwl_jumbo *buf;
2477 /* XXX bounds check data */
2478 MWL_RXFREE_LOCK(sc);
2479 buf = MWL_JUMBO_DATA2BUF(data);
2480 SLIST_INSERT_HEAD(&sc->sc_rxfree, buf, next);
2482 MWL_RXFREE_UNLOCK(sc);
2486 mwl_rxbuf_init(struct mwl_softc *sc, struct mwl_rxbuf *bf)
2488 struct mwl_rxdesc *ds;
2491 if (bf->bf_data == NULL) {
2492 bf->bf_data = mwl_getrxdma(sc);
2493 if (bf->bf_data == NULL) {
2494 /* mark descriptor to be skipped */
2495 ds->RxControl = EAGLE_RXD_CTRL_OS_OWN;
2496 /* NB: don't need PREREAD */
2497 MWL_RXDESC_SYNC(sc, ds, BUS_DMASYNC_PREWRITE);
2498 sc->sc_stats.mst_rxbuf_failed++;
2503 * NB: DMA buffer contents is known to be unmodified
2504 * so there's no need to flush the data cache.
2512 ds->Status = EAGLE_RXD_STATUS_IDLE;
2514 ds->PktLen = htole16(MWL_AGGR_SIZE);
2516 ds->pPhysBuffData = htole32(MWL_JUMBO_DMA_ADDR(sc, bf->bf_data));
2517 /* NB: don't touch pPhysNext, set once */
2518 ds->RxControl = EAGLE_RXD_CTRL_DRIVER_OWN;
2519 MWL_RXDESC_SYNC(sc, ds, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
2525 mwl_ext_free(struct mbuf *m)
2527 struct mwl_softc *sc = m->m_ext.ext_arg1;
2529 /* XXX bounds check data */
2530 mwl_putrxdma(sc, m->m_ext.ext_buf);
2532 * If we were previously blocked by a lack of rx dma buffers
2533 * check if we now have enough to restart rx interrupt handling.
2534 * NB: we know we are called at splvm which is above splnet.
2536 if (sc->sc_rxblocked && sc->sc_nrxfree > mwl_rxdmalow) {
2537 sc->sc_rxblocked = 0;
2538 mwl_hal_intrset(sc->sc_mh, sc->sc_imask);
2542 struct mwl_frame_bar {
2545 u_int8_t i_ra[IEEE80211_ADDR_LEN];
2546 u_int8_t i_ta[IEEE80211_ADDR_LEN];
2551 * Like ieee80211_anyhdrsize, but handles BAR frames
2552 * specially so the logic below to piece the 802.11
2553 * header together works.
2556 mwl_anyhdrsize(const void *data)
2558 const struct ieee80211_frame *wh = data;
2560 if ((wh->i_fc[0]&IEEE80211_FC0_TYPE_MASK) == IEEE80211_FC0_TYPE_CTL) {
2561 switch (wh->i_fc[0] & IEEE80211_FC0_SUBTYPE_MASK) {
2562 case IEEE80211_FC0_SUBTYPE_CTS:
2563 case IEEE80211_FC0_SUBTYPE_ACK:
2564 return sizeof(struct ieee80211_frame_ack);
2565 case IEEE80211_FC0_SUBTYPE_BAR:
2566 return sizeof(struct mwl_frame_bar);
2568 return sizeof(struct ieee80211_frame_min);
2570 return ieee80211_hdrsize(data);
2574 mwl_handlemicerror(struct ieee80211com *ic, const uint8_t *data)
2576 const struct ieee80211_frame *wh;
2577 struct ieee80211_node *ni;
2579 wh = (const struct ieee80211_frame *)(data + sizeof(uint16_t));
2580 ni = ieee80211_find_rxnode(ic, (const struct ieee80211_frame_min *) wh);
2582 ieee80211_notify_michael_failure(ni->ni_vap, wh, 0);
2583 ieee80211_free_node(ni);
2588 * Convert hardware signal strength to rssi. The value
2589 * provided by the device has the noise floor added in;
2590 * we need to compensate for this but we don't have that
2591 * so we use a fixed value.
2593 * The offset of 8 is good for both 2.4 and 5GHz. The LNA
2594 * offset is already set as part of the initial gain. This
2595 * will give at least +/- 3dB for 2.4GHz and +/- 5dB for 5GHz.
2598 cvtrssi(uint8_t ssi)
2600 int rssi = (int) ssi + 8;
2601 /* XXX hack guess until we have a real noise floor */
2602 rssi = 2*(87 - rssi); /* NB: .5 dBm units */
2603 return (rssi < 0 ? 0 : rssi > 127 ? 127 : rssi);
2607 mwl_rx_proc(void *arg, int npending)
2609 struct epoch_tracker et;
2610 struct mwl_softc *sc = arg;
2611 struct ieee80211com *ic = &sc->sc_ic;
2612 struct mwl_rxbuf *bf;
2613 struct mwl_rxdesc *ds;
2615 struct ieee80211_qosframe *wh;
2616 struct ieee80211_node *ni;
2617 struct mwl_node *mn;
2618 int off, len, hdrlen, pktlen, rssi, ntodo;
2619 uint8_t *data, status;
2623 DPRINTF(sc, MWL_DEBUG_RX_PROC, "%s: pending %u rdptr 0x%x wrptr 0x%x\n",
2624 __func__, npending, RD4(sc, sc->sc_hwspecs.rxDescRead),
2625 RD4(sc, sc->sc_hwspecs.rxDescWrite));
2628 for (ntodo = mwl_rxquota; ntodo > 0; ntodo--) {
2630 bf = STAILQ_FIRST(&sc->sc_rxbuf);
2635 * If data allocation failed previously there
2636 * will be no buffer; try again to re-populate it.
2637 * Note the firmware will not advance to the next
2638 * descriptor with a dma buffer so we must mimic
2639 * this or we'll get out of sync.
2641 DPRINTF(sc, MWL_DEBUG_ANY,
2642 "%s: rx buf w/o dma memory\n", __func__);
2643 (void) mwl_rxbuf_init(sc, bf);
2644 sc->sc_stats.mst_rx_dmabufmissing++;
2647 MWL_RXDESC_SYNC(sc, ds,
2648 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
2649 if (ds->RxControl != EAGLE_RXD_CTRL_DMA_OWN)
2652 if (sc->sc_debug & MWL_DEBUG_RECV_DESC)
2653 mwl_printrxbuf(bf, 0);
2655 status = ds->Status;
2656 if (status & EAGLE_RXD_STATUS_DECRYPT_ERR_MASK) {
2657 counter_u64_add(ic->ic_ierrors, 1);
2658 sc->sc_stats.mst_rx_crypto++;
2660 * NB: Check EAGLE_RXD_STATUS_GENERAL_DECRYPT_ERR
2661 * for backwards compatibility.
2663 if (status != EAGLE_RXD_STATUS_GENERAL_DECRYPT_ERR &&
2664 (status & EAGLE_RXD_STATUS_TKIP_MIC_DECRYPT_ERR)) {
2666 * MIC error, notify upper layers.
2668 bus_dmamap_sync(sc->sc_rxdmat, sc->sc_rxmap,
2669 BUS_DMASYNC_POSTREAD);
2670 mwl_handlemicerror(ic, data);
2671 sc->sc_stats.mst_rx_tkipmic++;
2673 /* XXX too painful to tap packets */
2677 * Sync the data buffer.
2679 len = le16toh(ds->PktLen);
2680 bus_dmamap_sync(sc->sc_rxdmat, sc->sc_rxmap, BUS_DMASYNC_POSTREAD);
2682 * The 802.11 header is provided all or in part at the front;
2683 * use it to calculate the true size of the header that we'll
2684 * construct below. We use this to figure out where to copy
2685 * payload prior to constructing the header.
2687 hdrlen = mwl_anyhdrsize(data + sizeof(uint16_t));
2688 off = sizeof(uint16_t) + sizeof(struct ieee80211_frame_addr4);
2690 /* calculate rssi early so we can re-use for each aggregate */
2691 rssi = cvtrssi(ds->RSSI);
2693 pktlen = hdrlen + (len - off);
2695 * NB: we know our frame is at least as large as
2696 * IEEE80211_MIN_LEN because there is a 4-address
2697 * frame at the front. Hence there's no need to
2698 * vet the packet length. If the frame in fact
2699 * is too small it should be discarded at the
2704 * Attach dma buffer to an mbuf. We tried
2705 * doing this based on the packet size (i.e.
2706 * copying small packets) but it turns out to
2707 * be a net loss. The tradeoff might be system
2708 * dependent (cache architecture is important).
2710 MGETHDR(m, M_NOWAIT, MT_DATA);
2712 DPRINTF(sc, MWL_DEBUG_ANY,
2713 "%s: no rx mbuf\n", __func__);
2714 sc->sc_stats.mst_rx_nombuf++;
2718 * Acquire the replacement dma buffer before
2719 * processing the frame. If we're out of dma
2720 * buffers we disable rx interrupts and wait
2721 * for the free pool to reach mlw_rxdmalow buffers
2722 * before starting to do work again. If the firmware
2723 * runs out of descriptors then it will toss frames
2724 * which is better than our doing it as that can
2725 * starve our processing. It is also important that
2726 * we always process rx'd frames in case they are
2727 * A-MPDU as otherwise the host's view of the BA
2728 * window may get out of sync with the firmware.
2730 newdata = mwl_getrxdma(sc);
2731 if (newdata == NULL) {
2732 /* NB: stat+msg in mwl_getrxdma */
2734 /* disable RX interrupt and mark state */
2735 mwl_hal_intrset(sc->sc_mh,
2736 sc->sc_imask &~ MACREG_A2HRIC_BIT_RX_RDY);
2737 sc->sc_rxblocked = 1;
2738 ieee80211_drain(ic);
2739 /* XXX check rxblocked and immediately start again? */
2742 bf->bf_data = newdata;
2744 * Attach the dma buffer to the mbuf;
2745 * mwl_rxbuf_init will re-setup the rx
2746 * descriptor using the replacement dma
2747 * buffer we just installed above.
2749 m_extadd(m, data, MWL_AGGR_SIZE, mwl_ext_free, sc, NULL, 0,
2751 m->m_data += off - hdrlen;
2752 m->m_pkthdr.len = m->m_len = pktlen;
2753 /* NB: dma buffer assumed read-only */
2756 * Piece 802.11 header together.
2758 wh = mtod(m, struct ieee80211_qosframe *);
2759 /* NB: don't need to do this sometimes but ... */
2760 /* XXX special case so we can memcpy after m_devget? */
2761 ovbcopy(data + sizeof(uint16_t), wh, hdrlen);
2762 if (IEEE80211_QOS_HAS_SEQ(wh))
2763 *(uint16_t *)ieee80211_getqos(wh) = ds->QosCtrl;
2765 * The f/w strips WEP header but doesn't clear
2766 * the WEP bit; mark the packet with M_WEP so
2767 * net80211 will treat the data as decrypted.
2768 * While here also clear the PWR_MGT bit since
2769 * power save is handled by the firmware and
2770 * passing this up will potentially cause the
2771 * upper layer to put a station in power save
2772 * (except when configured with MWL_HOST_PS_SUPPORT).
2774 if (wh->i_fc[1] & IEEE80211_FC1_PROTECTED)
2775 m->m_flags |= M_WEP;
2776 #ifdef MWL_HOST_PS_SUPPORT
2777 wh->i_fc[1] &= ~IEEE80211_FC1_PROTECTED;
2779 wh->i_fc[1] &= ~(IEEE80211_FC1_PROTECTED |
2780 IEEE80211_FC1_PWR_MGT);
2783 if (ieee80211_radiotap_active(ic)) {
2784 struct mwl_rx_radiotap_header *tap = &sc->sc_rx_th;
2787 tap->wr_rate = ds->Rate;
2788 tap->wr_antsignal = rssi + nf;
2789 tap->wr_antnoise = nf;
2791 if (IFF_DUMPPKTS_RECV(sc, wh)) {
2792 ieee80211_dump_pkt(ic, mtod(m, caddr_t),
2793 len, ds->Rate, rssi);
2796 ni = ieee80211_find_rxnode(ic,
2797 (const struct ieee80211_frame_min *) wh);
2799 NET_EPOCH_ENTER(et);
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);
2817 /* NB: ignore ENOMEM so we process more descriptors */
2818 (void) mwl_rxbuf_init(sc, bf);
2819 bf = STAILQ_NEXT(bf, bf_list);
2824 if (mbufq_first(&sc->sc_snd) != NULL) {
2825 /* NB: kick fw; the tx thread may have been preempted */
2826 mwl_hal_txstart(sc->sc_mh, 0);
2832 mwl_txq_init(struct mwl_softc *sc, struct mwl_txq *txq, int qnum)
2834 struct mwl_txbuf *bf, *bn;
2835 struct mwl_txdesc *ds;
2837 MWL_TXQ_LOCK_INIT(sc, txq);
2839 txq->txpri = 0; /* XXX */
2841 /* NB: q setup by mwl_txdma_setup XXX */
2842 STAILQ_INIT(&txq->free);
2844 STAILQ_FOREACH(bf, &txq->free, bf_list) {
2848 bn = STAILQ_NEXT(bf, bf_list);
2850 bn = STAILQ_FIRST(&txq->free);
2851 ds->pPhysNext = htole32(bn->bf_daddr);
2853 STAILQ_INIT(&txq->active);
2857 * Setup a hardware data transmit queue for the specified
2858 * access control. We record the mapping from ac's
2859 * to h/w queues for use by mwl_tx_start.
2862 mwl_tx_setup(struct mwl_softc *sc, int ac, int mvtype)
2864 struct mwl_txq *txq;
2866 if (ac >= nitems(sc->sc_ac2q)) {
2867 device_printf(sc->sc_dev, "AC %u out of range, max %zu!\n",
2868 ac, nitems(sc->sc_ac2q));
2871 if (mvtype >= MWL_NUM_TX_QUEUES) {
2872 device_printf(sc->sc_dev, "mvtype %u out of range, max %u!\n",
2873 mvtype, MWL_NUM_TX_QUEUES);
2876 txq = &sc->sc_txq[mvtype];
2877 mwl_txq_init(sc, txq, mvtype);
2878 sc->sc_ac2q[ac] = txq;
2883 * Update WME parameters for a transmit queue.
2886 mwl_txq_update(struct mwl_softc *sc, int ac)
2888 #define MWL_EXPONENT_TO_VALUE(v) ((1<<v)-1)
2889 struct ieee80211com *ic = &sc->sc_ic;
2890 struct chanAccParams chp;
2891 struct mwl_txq *txq = sc->sc_ac2q[ac];
2892 struct wmeParams *wmep;
2893 struct mwl_hal *mh = sc->sc_mh;
2894 int aifs, cwmin, cwmax, txoplim;
2896 ieee80211_wme_ic_getparams(ic, &chp);
2897 wmep = &chp.cap_wmeParams[ac];
2899 aifs = wmep->wmep_aifsn;
2900 /* XXX in sta mode need to pass log values for cwmin/max */
2901 cwmin = MWL_EXPONENT_TO_VALUE(wmep->wmep_logcwmin);
2902 cwmax = MWL_EXPONENT_TO_VALUE(wmep->wmep_logcwmax);
2903 txoplim = wmep->wmep_txopLimit; /* NB: units of 32us */
2905 if (mwl_hal_setedcaparams(mh, txq->qnum, cwmin, cwmax, aifs, txoplim)) {
2906 device_printf(sc->sc_dev, "unable to update hardware queue "
2907 "parameters for %s traffic!\n",
2908 ieee80211_wme_acnames[ac]);
2912 #undef MWL_EXPONENT_TO_VALUE
2916 * Callback from the 802.11 layer to update WME parameters.
2919 mwl_wme_update(struct ieee80211com *ic)
2921 struct mwl_softc *sc = ic->ic_softc;
2923 return !mwl_txq_update(sc, WME_AC_BE) ||
2924 !mwl_txq_update(sc, WME_AC_BK) ||
2925 !mwl_txq_update(sc, WME_AC_VI) ||
2926 !mwl_txq_update(sc, WME_AC_VO) ? EIO : 0;
2930 * Reclaim resources for a setup queue.
2933 mwl_tx_cleanupq(struct mwl_softc *sc, struct mwl_txq *txq)
2936 MWL_TXQ_LOCK_DESTROY(txq);
2940 * Reclaim all tx queue resources.
2943 mwl_tx_cleanup(struct mwl_softc *sc)
2947 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
2948 mwl_tx_cleanupq(sc, &sc->sc_txq[i]);
2952 mwl_tx_dmasetup(struct mwl_softc *sc, struct mwl_txbuf *bf, struct mbuf *m0)
2958 * Load the DMA map so any coalescing is done. This
2959 * also calculates the number of descriptors we need.
2961 error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0,
2962 bf->bf_segs, &bf->bf_nseg,
2964 if (error == EFBIG) {
2965 /* XXX packet requires too many descriptors */
2966 bf->bf_nseg = MWL_TXDESC+1;
2967 } else if (error != 0) {
2968 sc->sc_stats.mst_tx_busdma++;
2973 * Discard null packets and check for packets that
2974 * require too many TX descriptors. We try to convert
2975 * the latter to a cluster.
2977 if (error == EFBIG) { /* too many desc's, linearize */
2978 sc->sc_stats.mst_tx_linear++;
2980 m = m_collapse(m0, M_NOWAIT, MWL_TXDESC);
2982 m = m_defrag(m0, M_NOWAIT);
2986 sc->sc_stats.mst_tx_nombuf++;
2990 error = bus_dmamap_load_mbuf_sg(sc->sc_dmat, bf->bf_dmamap, m0,
2991 bf->bf_segs, &bf->bf_nseg,
2994 sc->sc_stats.mst_tx_busdma++;
2998 KASSERT(bf->bf_nseg <= MWL_TXDESC,
2999 ("too many segments after defrag; nseg %u", bf->bf_nseg));
3000 } else if (bf->bf_nseg == 0) { /* null packet, discard */
3001 sc->sc_stats.mst_tx_nodata++;
3005 DPRINTF(sc, MWL_DEBUG_XMIT, "%s: m %p len %u\n",
3006 __func__, m0, m0->m_pkthdr.len);
3007 bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap, BUS_DMASYNC_PREWRITE);
3014 mwl_cvtlegacyrate(int rate)
3035 * Calculate fixed tx rate information per client state;
3036 * this value is suitable for writing to the Format field
3037 * of a tx descriptor.
3040 mwl_calcformat(uint8_t rate, const struct ieee80211_node *ni)
3044 fmt = _IEEE80211_SHIFTMASK(3, EAGLE_TXD_ANTENNA)
3045 | (IEEE80211_IS_CHAN_HT40D(ni->ni_chan) ?
3046 EAGLE_TXD_EXTCHAN_LO : EAGLE_TXD_EXTCHAN_HI);
3047 if (rate & IEEE80211_RATE_MCS) { /* HT MCS */
3048 fmt |= EAGLE_TXD_FORMAT_HT
3049 /* NB: 0x80 implicitly stripped from ucastrate */
3050 | _IEEE80211_SHIFTMASK(rate, EAGLE_TXD_RATE);
3051 /* XXX short/long GI may be wrong; re-check */
3052 if (IEEE80211_IS_CHAN_HT40(ni->ni_chan)) {
3053 fmt |= EAGLE_TXD_CHW_40
3054 | (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI40 ?
3055 EAGLE_TXD_GI_SHORT : EAGLE_TXD_GI_LONG);
3057 fmt |= EAGLE_TXD_CHW_20
3058 | (ni->ni_htcap & IEEE80211_HTCAP_SHORTGI20 ?
3059 EAGLE_TXD_GI_SHORT : EAGLE_TXD_GI_LONG);
3061 } else { /* legacy rate */
3062 fmt |= EAGLE_TXD_FORMAT_LEGACY
3063 | _IEEE80211_SHIFTMASK(mwl_cvtlegacyrate(rate),
3066 /* XXX iv_flags & IEEE80211_F_SHPREAMBLE? */
3067 | (ni->ni_capinfo & IEEE80211_CAPINFO_SHORT_PREAMBLE ?
3068 EAGLE_TXD_PREAMBLE_SHORT : EAGLE_TXD_PREAMBLE_LONG);
3074 mwl_tx_start(struct mwl_softc *sc, struct ieee80211_node *ni, struct mwl_txbuf *bf,
3077 struct ieee80211com *ic = &sc->sc_ic;
3078 struct ieee80211vap *vap = ni->ni_vap;
3079 int error, iswep, ismcast;
3081 struct mwl_txdesc *ds;
3082 struct mwl_txq *txq;
3083 struct ieee80211_frame *wh;
3084 struct mwltxrec *tr;
3085 struct mwl_node *mn;
3091 wh = mtod(m0, struct ieee80211_frame *);
3092 iswep = wh->i_fc[1] & IEEE80211_FC1_PROTECTED;
3093 ismcast = IEEE80211_IS_MULTICAST(wh->i_addr1);
3094 hdrlen = ieee80211_anyhdrsize(wh);
3095 pktlen = m0->m_pkthdr.len;
3096 if (IEEE80211_QOS_HAS_SEQ(wh)) {
3097 qos = *(uint16_t *)ieee80211_getqos(wh);
3102 const struct ieee80211_cipher *cip;
3103 struct ieee80211_key *k;
3106 * Construct the 802.11 header+trailer for an encrypted
3107 * frame. The only reason this can fail is because of an
3108 * unknown or unsupported cipher/key type.
3110 * NB: we do this even though the firmware will ignore
3111 * what we've done for WEP and TKIP as we need the
3112 * ExtIV filled in for CCMP and this also adjusts
3113 * the headers which simplifies our work below.
3115 k = ieee80211_crypto_encap(ni, m0);
3118 * This can happen when the key is yanked after the
3119 * frame was queued. Just discard the frame; the
3120 * 802.11 layer counts failures and provides
3121 * debugging/diagnostics.
3127 * Adjust the packet length for the crypto additions
3128 * done during encap and any other bits that the f/w
3129 * will add later on.
3132 pktlen += cip->ic_header + cip->ic_miclen + cip->ic_trailer;
3134 /* packet header may have moved, reset our local pointer */
3135 wh = mtod(m0, struct ieee80211_frame *);
3138 if (ieee80211_radiotap_active_vap(vap)) {
3139 sc->sc_tx_th.wt_flags = 0; /* XXX */
3141 sc->sc_tx_th.wt_flags |= IEEE80211_RADIOTAP_F_WEP;
3143 sc->sc_tx_th.wt_rate = ds->DataRate;
3145 sc->sc_tx_th.wt_txpower = ni->ni_txpower;
3146 sc->sc_tx_th.wt_antenna = sc->sc_txantenna;
3148 ieee80211_radiotap_tx(vap, m0);
3151 * Copy up/down the 802.11 header; the firmware requires
3152 * we present a 2-byte payload length followed by a
3153 * 4-address header (w/o QoS), followed (optionally) by
3154 * any WEP/ExtIV header (but only filled in for CCMP).
3155 * We are assured the mbuf has sufficient headroom to
3156 * prepend in-place by the setup of ic_headroom in
3159 if (hdrlen < sizeof(struct mwltxrec)) {
3160 const int space = sizeof(struct mwltxrec) - hdrlen;
3161 if (M_LEADINGSPACE(m0) < space) {
3162 /* NB: should never happen */
3163 device_printf(sc->sc_dev,
3164 "not enough headroom, need %d found %zd, "
3165 "m_flags 0x%x m_len %d\n",
3166 space, M_LEADINGSPACE(m0), m0->m_flags, m0->m_len);
3167 ieee80211_dump_pkt(ic,
3168 mtod(m0, const uint8_t *), m0->m_len, 0, -1);
3170 sc->sc_stats.mst_tx_noheadroom++;
3173 M_PREPEND(m0, space, M_NOWAIT);
3175 tr = mtod(m0, struct mwltxrec *);
3176 if (wh != (struct ieee80211_frame *) &tr->wh)
3177 ovbcopy(wh, &tr->wh, hdrlen);
3179 * Note: the "firmware length" is actually the length
3180 * of the fully formed "802.11 payload". That is, it's
3181 * everything except for the 802.11 header. In particular
3182 * this includes all crypto material including the MIC!
3184 tr->fwlen = htole16(pktlen - hdrlen);
3187 * Load the DMA map so any coalescing is done. This
3188 * also calculates the number of descriptors we need.
3190 error = mwl_tx_dmasetup(sc, bf, m0);
3192 /* NB: stat collected in mwl_tx_dmasetup */
3193 DPRINTF(sc, MWL_DEBUG_XMIT,
3194 "%s: unable to setup dma\n", __func__);
3197 bf->bf_node = ni; /* NB: held reference */
3198 m0 = bf->bf_m; /* NB: may have changed */
3199 tr = mtod(m0, struct mwltxrec *);
3200 wh = (struct ieee80211_frame *)&tr->wh;
3203 * Formulate tx descriptor.
3208 ds->QosCtrl = qos; /* NB: already little-endian */
3211 * NB: multiframes should be zero because the descriptors
3212 * are initialized to zero. This should handle the case
3213 * where the driver is built with MWL_TXDESC=1 but we are
3214 * using firmware with multi-segment support.
3216 ds->PktPtr = htole32(bf->bf_segs[0].ds_addr);
3217 ds->PktLen = htole16(bf->bf_segs[0].ds_len);
3219 ds->multiframes = htole32(bf->bf_nseg);
3220 ds->PktLen = htole16(m0->m_pkthdr.len);
3221 for (i = 0; i < bf->bf_nseg; i++) {
3222 ds->PktPtrArray[i] = htole32(bf->bf_segs[i].ds_addr);
3223 ds->PktLenArray[i] = htole16(bf->bf_segs[i].ds_len);
3226 /* NB: pPhysNext, DataRate, and SapPktInfo setup once, don't touch */
3229 ds->ack_wcb_addr = 0;
3233 * Select transmit rate.
3235 switch (wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK) {
3236 case IEEE80211_FC0_TYPE_MGT:
3237 sc->sc_stats.mst_tx_mgmt++;
3239 case IEEE80211_FC0_TYPE_CTL:
3240 /* NB: assign to BE q to avoid bursting */
3241 ds->TxPriority = MWL_WME_AC_BE;
3243 case IEEE80211_FC0_TYPE_DATA:
3245 const struct ieee80211_txparam *tp = ni->ni_txparms;
3247 * EAPOL frames get forced to a fixed rate and w/o
3248 * aggregation; otherwise check for any fixed rate
3249 * for the client (may depend on association state).
3251 if (m0->m_flags & M_EAPOL) {
3252 const struct mwl_vap *mvp = MWL_VAP_CONST(vap);
3253 ds->Format = mvp->mv_eapolformat;
3255 EAGLE_TXD_FIXED_RATE | EAGLE_TXD_DONT_AGGR);
3256 } else if (tp->ucastrate != IEEE80211_FIXED_RATE_NONE) {
3257 /* XXX pre-calculate per node */
3258 ds->Format = htole16(
3259 mwl_calcformat(tp->ucastrate, ni));
3260 ds->pad = htole16(EAGLE_TXD_FIXED_RATE);
3262 /* NB: EAPOL frames will never have qos set */
3264 ds->TxPriority = txq->qnum;
3266 else if (mwl_bastream_match(&mn->mn_ba[3], qos))
3267 ds->TxPriority = mn->mn_ba[3].txq;
3270 else if (mwl_bastream_match(&mn->mn_ba[2], qos))
3271 ds->TxPriority = mn->mn_ba[2].txq;
3274 else if (mwl_bastream_match(&mn->mn_ba[1], qos))
3275 ds->TxPriority = mn->mn_ba[1].txq;
3278 else if (mwl_bastream_match(&mn->mn_ba[0], qos))
3279 ds->TxPriority = mn->mn_ba[0].txq;
3282 ds->TxPriority = txq->qnum;
3284 ds->TxPriority = txq->qnum;
3287 device_printf(sc->sc_dev, "bogus frame type 0x%x (%s)\n",
3288 wh->i_fc[0] & IEEE80211_FC0_TYPE_MASK, __func__);
3289 sc->sc_stats.mst_tx_badframetype++;
3294 if (IFF_DUMPPKTS_XMIT(sc))
3295 ieee80211_dump_pkt(ic,
3296 mtod(m0, const uint8_t *)+sizeof(uint16_t),
3297 m0->m_len - sizeof(uint16_t), ds->DataRate, -1);
3300 ds->Status = htole32(EAGLE_TXD_STATUS_FW_OWNED);
3301 STAILQ_INSERT_TAIL(&txq->active, bf, bf_list);
3302 MWL_TXDESC_SYNC(txq, ds, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
3304 sc->sc_tx_timer = 5;
3305 MWL_TXQ_UNLOCK(txq);
3311 mwl_cvtlegacyrix(int rix)
3313 static const int ieeerates[] =
3314 { 2, 4, 11, 22, 44, 12, 18, 24, 36, 48, 72, 96, 108 };
3315 return (rix < nitems(ieeerates) ? ieeerates[rix] : 0);
3319 * Process completed xmit descriptors from the specified queue.
3322 mwl_tx_processq(struct mwl_softc *sc, struct mwl_txq *txq)
3324 #define EAGLE_TXD_STATUS_MCAST \
3325 (EAGLE_TXD_STATUS_MULTICAST_TX | EAGLE_TXD_STATUS_BROADCAST_TX)
3326 struct ieee80211com *ic = &sc->sc_ic;
3327 struct mwl_txbuf *bf;
3328 struct mwl_txdesc *ds;
3329 struct ieee80211_node *ni;
3333 DPRINTF(sc, MWL_DEBUG_TX_PROC, "%s: tx queue %u\n", __func__, txq->qnum);
3334 for (nreaped = 0;; nreaped++) {
3336 bf = STAILQ_FIRST(&txq->active);
3338 MWL_TXQ_UNLOCK(txq);
3342 MWL_TXDESC_SYNC(txq, ds,
3343 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3344 if (ds->Status & htole32(EAGLE_TXD_STATUS_FW_OWNED)) {
3345 MWL_TXQ_UNLOCK(txq);
3348 STAILQ_REMOVE_HEAD(&txq->active, bf_list);
3349 MWL_TXQ_UNLOCK(txq);
3352 if (sc->sc_debug & MWL_DEBUG_XMIT_DESC)
3353 mwl_printtxbuf(bf, txq->qnum, nreaped);
3357 status = le32toh(ds->Status);
3358 if (status & EAGLE_TXD_STATUS_OK) {
3359 uint16_t Format = le16toh(ds->Format);
3360 uint8_t txant = _IEEE80211_MASKSHIFT(Format,
3363 sc->sc_stats.mst_ant_tx[txant]++;
3364 if (status & EAGLE_TXD_STATUS_OK_RETRY)
3365 sc->sc_stats.mst_tx_retries++;
3366 if (status & EAGLE_TXD_STATUS_OK_MORE_RETRY)
3367 sc->sc_stats.mst_tx_mretries++;
3368 if (txq->qnum >= MWL_WME_AC_VO)
3369 ic->ic_wme.wme_hipri_traffic++;
3370 ni->ni_txrate = _IEEE80211_MASKSHIFT(Format,
3372 if ((Format & EAGLE_TXD_FORMAT_HT) == 0) {
3373 ni->ni_txrate = mwl_cvtlegacyrix(
3376 ni->ni_txrate |= IEEE80211_RATE_MCS;
3377 sc->sc_stats.mst_tx_rate = ni->ni_txrate;
3379 if (status & EAGLE_TXD_STATUS_FAILED_LINK_ERROR)
3380 sc->sc_stats.mst_tx_linkerror++;
3381 if (status & EAGLE_TXD_STATUS_FAILED_XRETRY)
3382 sc->sc_stats.mst_tx_xretries++;
3383 if (status & EAGLE_TXD_STATUS_FAILED_AGING)
3384 sc->sc_stats.mst_tx_aging++;
3385 if (bf->bf_m->m_flags & M_FF)
3386 sc->sc_stats.mst_ff_txerr++;
3388 if (bf->bf_m->m_flags & M_TXCB)
3389 /* XXX strip fw len in case header inspected */
3390 m_adj(bf->bf_m, sizeof(uint16_t));
3391 ieee80211_tx_complete(ni, bf->bf_m,
3392 (status & EAGLE_TXD_STATUS_OK) == 0);
3395 ds->Status = htole32(EAGLE_TXD_STATUS_IDLE);
3397 bus_dmamap_sync(sc->sc_dmat, bf->bf_dmamap,
3398 BUS_DMASYNC_POSTWRITE);
3399 bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap);
3401 mwl_puttxbuf_tail(txq, bf);
3404 #undef EAGLE_TXD_STATUS_MCAST
3408 * Deferred processing of transmit interrupt; special-cased
3409 * for four hardware queues, 0-3.
3412 mwl_tx_proc(void *arg, int npending)
3414 struct mwl_softc *sc = arg;
3418 * Process each active queue.
3421 if (!STAILQ_EMPTY(&sc->sc_txq[0].active))
3422 nreaped += mwl_tx_processq(sc, &sc->sc_txq[0]);
3423 if (!STAILQ_EMPTY(&sc->sc_txq[1].active))
3424 nreaped += mwl_tx_processq(sc, &sc->sc_txq[1]);
3425 if (!STAILQ_EMPTY(&sc->sc_txq[2].active))
3426 nreaped += mwl_tx_processq(sc, &sc->sc_txq[2]);
3427 if (!STAILQ_EMPTY(&sc->sc_txq[3].active))
3428 nreaped += mwl_tx_processq(sc, &sc->sc_txq[3]);
3431 sc->sc_tx_timer = 0;
3432 if (mbufq_first(&sc->sc_snd) != NULL) {
3433 /* NB: kick fw; the tx thread may have been preempted */
3434 mwl_hal_txstart(sc->sc_mh, 0);
3441 mwl_tx_draintxq(struct mwl_softc *sc, struct mwl_txq *txq)
3443 struct ieee80211_node *ni;
3444 struct mwl_txbuf *bf;
3448 * NB: this assumes output has been stopped and
3449 * we do not need to block mwl_tx_tasklet
3451 for (ix = 0;; ix++) {
3453 bf = STAILQ_FIRST(&txq->active);
3455 MWL_TXQ_UNLOCK(txq);
3458 STAILQ_REMOVE_HEAD(&txq->active, bf_list);
3459 MWL_TXQ_UNLOCK(txq);
3461 if (sc->sc_debug & MWL_DEBUG_RESET) {
3462 struct ieee80211com *ic = &sc->sc_ic;
3463 const struct mwltxrec *tr =
3464 mtod(bf->bf_m, const struct mwltxrec *);
3465 mwl_printtxbuf(bf, txq->qnum, ix);
3466 ieee80211_dump_pkt(ic, (const uint8_t *)&tr->wh,
3467 bf->bf_m->m_len - sizeof(tr->fwlen), 0, -1);
3469 #endif /* MWL_DEBUG */
3470 bus_dmamap_unload(sc->sc_dmat, bf->bf_dmamap);
3474 * Reclaim node reference.
3476 ieee80211_free_node(ni);
3480 mwl_puttxbuf_tail(txq, bf);
3485 * Drain the transmit queues and reclaim resources.
3488 mwl_draintxq(struct mwl_softc *sc)
3492 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
3493 mwl_tx_draintxq(sc, &sc->sc_txq[i]);
3494 sc->sc_tx_timer = 0;
3499 * Reset the transmit queues to a pristine state after a fw download.
3502 mwl_resettxq(struct mwl_softc *sc)
3506 for (i = 0; i < MWL_NUM_TX_QUEUES; i++)
3507 mwl_txq_reset(sc, &sc->sc_txq[i]);
3509 #endif /* MWL_DIAGAPI */
3512 * Clear the transmit queues of any frames submitted for the
3513 * specified vap. This is done when the vap is deleted so we
3514 * don't potentially reference the vap after it is gone.
3515 * Note we cannot remove the frames; we only reclaim the node
3519 mwl_cleartxq(struct mwl_softc *sc, struct ieee80211vap *vap)
3521 struct mwl_txq *txq;
3522 struct mwl_txbuf *bf;
3525 for (i = 0; i < MWL_NUM_TX_QUEUES; i++) {
3526 txq = &sc->sc_txq[i];
3528 STAILQ_FOREACH(bf, &txq->active, bf_list) {
3529 struct ieee80211_node *ni = bf->bf_node;
3530 if (ni != NULL && ni->ni_vap == vap) {
3532 ieee80211_free_node(ni);
3535 MWL_TXQ_UNLOCK(txq);
3540 mwl_recv_action(struct ieee80211_node *ni, const struct ieee80211_frame *wh,
3541 const uint8_t *frm, const uint8_t *efrm)
3543 struct mwl_softc *sc = ni->ni_ic->ic_softc;
3544 const struct ieee80211_action *ia;
3546 ia = (const struct ieee80211_action *) frm;
3547 if (ia->ia_category == IEEE80211_ACTION_CAT_HT &&
3548 ia->ia_action == IEEE80211_ACTION_HT_MIMOPWRSAVE) {
3549 const struct ieee80211_action_ht_mimopowersave *mps =
3550 (const struct ieee80211_action_ht_mimopowersave *) ia;
3552 mwl_hal_setmimops(sc->sc_mh, ni->ni_macaddr,
3553 mps->am_control & IEEE80211_A_HT_MIMOPWRSAVE_ENA,
3554 _IEEE80211_MASKSHIFT(mps->am_control,
3555 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 = _IEEE80211_MASKSHIFT(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, "debug",
4788 CTLTYPE_INT | CTLFLAG_RW | CTLFLAG_NEEDGIANT, 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");